CN102371020A

CN102371020A - Replaceable forehead pad for positive pressure breathing mask

Info

Publication number: CN102371020A
Application number: CN2010102590594A
Authority: CN
Inventors: 简志灿
Original assignee: Apex Medical Corp
Current assignee: Wellell Inc
Priority date: 2010-08-17
Filing date: 2010-08-17
Publication date: 2012-03-14
Anticipated expiration: 2030-08-17
Also published as: CN102371020B

Abstract

The invention discloses a replaceable forehead pad for a positive pressure breathing mask. The replaceable forehead pad comprises a substrate part, a support part and a buckling body; the substrate part is provided with two contact sheet bodies and a connection arm which is used for connecting two contact sheet bodies; the support part is provided with two support bodies and a plate arm which is connected with the two support bodies; a hollow area is formed among the support bodies, the plate arm and the contact sheet bodies and a hollow hole is formed on each support body to ensure that the support bodies can be flexibly compressed to be deformed; the buckling body is extended from the surfaces of two support bodies and the plate arm, and the long side of the buckling body is longer than the long side of the formed hollow area; the buckling body is provided with buckling parts; the buckling parts, and buckled parts of a mask device of the positive pressure breathing mask can be buckled and assembled; therefore, the replaceable forehead pad can be buckled conveniently and reduce the falling risk, and structural intensity and stress dispersing can be enhanced so as to reduce stress discomfort.

Description

Sun is pressed the replaceable volume pad of breathing mask

Technical field

The present invention relates to a kind of breathing mask, refer to a kind of replaceable volume mat structure design of breathing mask of sun pressure respiratory organ especially.

Background technology

It is that the people is in bed that sleep-respiratory is ended disease (obstructive sleep apnea syndrome); Repetitious subsiding takes place in upper respiratory tract (comprising nasopharynx, oropharynx and throat); Thereby block respiratory tract and cause to breathe and shoal and become effort, more severe patient can cause air flue to stop up fully and cause suction less than air and suffocate.Be used for treating sleep-respiratory at present and end one of effective and efficient manner of disease; (continuous positive airway pressure CPAP), is to make the patient when sleep, put on the breathing mask of a connection pump to be to use continuous air flue sun to press respiratory organ; Pump then by means of one can adjust stream pressure host computer control; In order to continue that air is squeezed into air flue, produce the continuous flow that a sun is pressed (malleation), the upper respiratory tract that the patient can be subsided in sleep is originally kept unobstructed.

Yet; In order to keep positive pressure condition, breathing mask need closely fit in around patient's mouth and nose, but too big if breathing mask fits in the pressure of mouth and nose; Then can cause discomfort; Therefore, promptly can disperse the structural design born jointly by around forehead and the mouth and nose to pressure, promptly be provided with the volume pad and tool flexibly is contacted with patient's forehead.

Like Fig. 1 and shown in Figure 2; Volume pad 1a can be buckled on the mask device 2a; Volume pad 1a then can distinguish a support connecting piece 11a and two contact 12a; Contact 12a utilizes 121a of salient point portion and support connecting piece 11a snapping, and support connecting piece 11a then also utilizes 111a of salient point portion and the mask device 2a snapping on it.But actual the use down utilized the direct snapping of salient point portion, and because of the snapping area is little, the probability that comes off is big; And the forces during use is prone to be concentrated to the salient point portion peripheral region of contact, causes forces to concentrate and is urged to user skin, causes discomfort.

Fig. 3 for another example, second kind volume pad 1b class is strip, its inner several hollow outs of directly formation 11b have suitable elasticity so as to making volume pad 1b, and projection has one type of 12b of the portion that buckles that is the T type at the top, with mask device (not icon) snapping.But actual the use down, owing to being directly forms hollow out in inside, its structural strength is relatively poor, and the forces during use is difficult for disperseing, the direct easily skin build-up of pressure to user; And the snapping area of button portion is less, has to be easy to the anxiety that comes off.

Fig. 4 for another example, the similar above-mentioned second kind of volume pad of the structural design of the third volume pad 1c innerly directly forms several hollow out 11c that are provided with up and down, and projection type of having is the 12c of the portion that buckles of T type.The actual use down then also has the identical problem of above-mentioned second kind of volume pad and exists.

Fig. 5 and shown in Figure 6 and for example, the 4th kind of volume pad 1d then has a substrate 11d, and two contact 12d that are connected in substrate 11d.On the substrate 11d then projection the 111d of snapping portion of tool slope structure is arranged, on snapping mask device (not icon).Contact 12d can be directly connected on the substrate 11d, also can be as shown in Figure 7, and contact 12 ' d can be buckled on the substrate with the mode of snapping.The actual use down utilizes the snapping portion of tool slope structure to be buckled in mask device, and structural strength is relatively poor and be difficult for snapping; And substrate is the plates of continuous shape, and contact is two freestanding structures, and the stress of compressing is difficult for disperseing in use, and being prone to has discomfort.

So the improving of the above-mentioned defective of inventor's thoughts concentratedly observed and study it, and propose a kind of reasonable in design and effectively improve the present invention of above-mentioned defective.

Summary of the invention

The present invention provides a kind of sun to press the replaceable volume pad of breathing mask, and its structural design is the risk that tool makes things convenient for snapping and minimizing to come off; And, strengthen structural strength and stress and disperse to reduce compressing, promote more docile etc. the effectiveness of comfort and tool.

Above-mentioned for reaching, the present invention provides a kind of sun to press the replaceable volume pad of breathing mask, can be buckled in the make-up portion that this sun is pressed a mask device of breathing mask, and this replaceable volume pad comprises substrate portion, support portion and snap fastener.

Above-mentioned substrate portion has the linking arm that two pairs of flexible contact lamellar bodies of weighing-appliance bullet and connect two contact lamellar bodies, two contact lamellar bodies respectively have on the contrary to first surface and second surface, first surface is in order to the forehead of contact user.

The support portion has two Body of pillar from the second surface extension of two contact lamellar bodies, and extends to be connected in the plate arm of two Body of pillar from the ora terminalis of two Body of pillar.Two Body of pillar, plate arm contact with two between lamellar body and to constitute a vacancy section, but and two Body of pillar respectively be formed with the distortion that a hollow hole makes two Body of pillar elastic compression.Snap fastener extends from the surface of two Body of pillar and plate arm, and the long limit of snap fastener is more than or equal to the long limit that forms vacancy section.Snap fastener is formed with snapping portion, and snapping portion is in order to the assembly that is interlockingly connected of the make-up portion with above-mentioned mask device.

Perhaps, in various embodiment, above-mentioned snap fastener can be made as two, and two relatively form from the extension of the surface of two Body of pillar, and the long limit of snap fastener is more than or equal to the long limit that forms hollow hole.

In other words, the present invention also provides a kind of sun to press the replaceable volume pad of breathing mask, can be buckled in the make-up portion that this sun is pressed a mask device of breathing mask, and this replaceable volume pad comprises:

Substrate portion has the linking arm that two pairs of flexible contact lamellar bodies of weighing-appliance bullet and connect this two contacts lamellar body, this two contacts lamellar body respectively have on the contrary to first surface and second surface, this first surface is in order to the forehead of contact user;

The support portion; Have two Body of pillar from the second surface extension of this two contacts lamellar body; And the ora terminalis of this two Body of pillar extends to be connected in the plate arm of this two Body of pillar certainly; This two Body of pillar, this plate arm two contact and constitute a vacancy section between lamellar body with this, but and this two Body of pillar respectively be formed with the distortion that a hollow hole makes this two Body of pillar elastic compression; And

Snap fastener, two relatively extend from the surface of this two Body of pillar, and the long limit of this two snap fastener is more than or equal to the long limit of this two hollow hole of formation, and this two snap fastener is formed with snapping portion, and this two snappings portion is in order to the assembly that is interlockingly connected of the make-up portion with above-mentioned mask device.

Preferably, the first surface of two contact lamellar bodies respectively is concaved with at least one chase.

The benefit that the present invention has: by means of the structural design of the hollow hole that forms vacancy section and Body of pillar, strengthen and disperse the structure of hollow out, the structural strength of whole volume pad and stress disperse preferable.And the contact lamellar body can be finely tuned reducing compressing according to the forehead surface undulation up and down, and more strengthens and disperse contact area, promotes comfort and more docile.

Secondly, need more than or equal to the long limit that forms vacancy section by snap fastener, or more than or equal to the long limit that forms hollow hole, so can strengthen the snapping area, with the risk that Convenient button is connected on the mask device and minimizing comes off.

In addition, further on the contact lamellar body, be provided with chase, then can reduce the generation of slip, and have the effectiveness of perspire.

Reach technology, method and the effect that set purpose is taked in order further to understand the present invention; See also following about detailed description of the present invention and accompanying drawing; Believe the object of the invention, characteristic and characteristics; Go deep into and concrete understanding when getting one thus, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the present invention is limited.

Description of drawings

Fig. 1 is the schematic perspective view that known sun is pressed breathing mask;

Fig. 2 is the sketch map of the volume pad among Fig. 1;

Fig. 3 is the schematic perspective view that known sun is pressed second kind of volume pad of breathing mask;

Fig. 4 is the schematic perspective view that known sun is pressed the third volume pad of breathing mask;

Fig. 5 is the schematic perspective view that known sun is pressed the 4th kind of volume pad of breathing mask;

Fig. 6 is another visual angle schematic perspective view that known sun is pressed the 4th kind of volume pad of breathing mask;

Fig. 7 is the schematic perspective view of another contact of known sun the 4th kind of volume pad of pressing breathing mask;

Fig. 8 is the axonometric chart of replaceable volume pad first embodiment of the present invention;

Fig. 9 is another visual angle axonometric chart of replaceable volume pad first embodiment of the present invention;

Figure 10 is the plane graph of replaceable volume pad first embodiment of the present invention;

Figure 11 desires to be snapped in the three-dimensional exploded view of mask device for the replaceable volume pad of the present invention;

User mode sketch map when Figure 12 uses for desire of the present invention;

Figure 13 is the plane graph one of replaceable volume pad first embodiment of the present invention;

Figure 14 is the plane graph two of replaceable volume pad first embodiment of the present invention;

Figure 15 is the plane graph three of replaceable volume pad first embodiment of the present invention;

Figure 16 desires to be snapped in another three-dimensional exploded view of mask device for replaceable volume pad;

Figure 17 is the axonometric chart of replaceable volume pad second embodiment of the present invention;

Figure 18 is the plane graph of replaceable volume pad second embodiment of the present invention;

Figure 19 is another visual angle axonometric chart of replaceable volume pad second embodiment of the present invention;

Figure 20 is snapped in the three-dimensional combination figure of mask device for replaceable volume pad second embodiment of the present invention.

[main element description of reference numerals]

[known]

1a volume pad

11a support connecting piece 111a salient point portion

12a contact 121a salient point portion

The 2a mask device

1b volume pad

11b hollow out 12b button portion

1c volume pad

11c hollow out 12c button portion

1d volume pad

11d substrate 111d snapping portion

12d, 12 ' d contact

[the present invention]

3 replaceable volume pads

31 substrate portions

311 contact lamellar bodies, 3111 first surfaces

3112 second surfaces, 312 linking arms

313 chases 314 are worn shrinkage pool thoroughly

315 " depression 316 " protruding grabbing

32 support portions

321,321 ', 321 " Body of pillar

3211 hollow holes 3212 are engraved the hole

3213 chassis, 3214 post arms

Projection is supported on 322 plate arms, 323 tops

324 " positioning convex column

33,33 ', 33 " snap fastener

331,331 ', 331 " snapping portion

34 vacancy sections

4 mask devices

41,41 ', 41 " make-up portion

411 catching grooves

412 ' box hole

413 " fasten catch

414 " locating slot

D1, d2, d3, the long limit of d4

The h height

The specific embodiment

To shown in Figure 10, be the replaceable volume pad 3 that the present invention proposes like Fig. 8, the member that it is formed in one includes substrate portion 31, support portion 32 and snap fastener 33.

Substrate portion 31 has two contact lamellar body 311 and linking arms 312, and contact lamellar body 311 is symmetrical and tool suitably plays flexible parts.312 of linking arms connect to live two contact lamellar bodies 311, with the successive structural design that becomes one.Two contact lamellar bodies 311 respectively have on the contrary to first surface 3111 and second surface 3112, first surface 3111 is in order to be contacted with the forehead of user.Preferably, 3111 of first surfaces of each contact lamellar body 311 can be arranged with at least one chase 313 (like Fig. 9), and it has the effectiveness of skidproof effect and suitable perspire when first surface 3111 contact with user.On the other hand, two contact lamellar bodies 311 are designed with one respectively gradually toward the angle that tilts, to have the design at oblique angle; Also can make two contact lamellar bodies 311 be that parallel mode designs.

Support portion 32 has two Body of pillar 321 and a plate arm 322; Body of pillar 321 a segment distance ground separately forms from second surface 3112 extensions of two contact lamellar bodies 311; Plate arm 322 extends being connected in two Body of pillar 321 from the ora terminalis of two Body of pillar 321, and the structure that becomes one and link with two Body of pillar 321.And two Body of pillar 321, plate arm 322 contact 311 of lamellar bodies and constitute a vacancy section 34, two Body of pillar 321 and respectively form a hollow hole 3211 and make the distortion of elastic compression effectively of two Body of pillar 321 with two.On the other hand, Body of pillar 321 can respectively have one from the second surface that contacts lamellar body 311 3112 protruding chassis 3213 of extending, and the post arm 3214 of the 3213 surface extensions from the chassis, and 3211 of hollow holes are formed at post arm 3214.

Snap fastener 33 extends from the surface of two Body of pillar 321 and plate arm 322 and forms, and wherein the long limit d1 that has of snap fastener 33 needs to form more than or equal to (>=) the long limit d2 (like Figure 10) of vacancy section 34, so as to increasing snapping area.In addition, snap fastener 33 is formed with snapping portion 331.On the other hand, preferably, the long limit d3 that forms two contact lamellar bodies 311 also can be respectively more than or equal to the long limit d2 that forms vacancy section 34, and reinforcement strengthens contact area and stress disperses to have.

In the first embodiment of the present invention, the snapping groove that above-mentioned snapping portion 331 sets to the concave for the outer shroud sidewall from snap fastener 33.

By above-mentioned, shown in figure 11, replaceable volume pad 3 of the present invention can be buckled in sun and press on the mask device 4 of breathing mask, and the top of this mask device 4 then is provided with make-up portion 41.The snapping portion 331 of above-mentioned snap fastener 33 promptly uses the assembly that is interlockingly connected with make-up portion 41, and replaceable volume pad 3 is buckled on the mask device 4.

In use, shown in figure 12, and please cooperate and consult Fig. 8 and Fig. 9, the design of contact lamellar body 311 and linking arm 312, it has and can do trace adjustment up and down according to the surface undulation of user forehead, so as to reducing the skin of compressing user, reduces discomfort.And; By means of the design of the hollow hole 3211 of vacancy section 34 and two Body of pillar 321, strengthen and disperse engraved structure, make Body of pillar 321 and plate arm 322 be easy to strain; Then the pressure of order compressing disperses; And with contact lamellar body 311 collocation down, strengthen and disperse contact surface, promote comfort level and can more be obedient on the user forehead.On the other hand, by means of the chase 313 on the first surface 3111 of contact lamellar body 311, then can in use make contact lamellar body 311 anti-skidding, and under permanent time use, suitable perspire can be arranged, to lower the sense of discomfort of user.

In the present embodiment, 41 in above-mentioned make-up portion one is provided with the plate body of catching groove 411, for 331 in the snapping portion of snapping groove can with catching groove 411 mutual assembly, the wall that forms the snapping groove is the surface of stop catch plate lamellar body then, thereby is snapped in the make-up portion 41.More than or equal to the long limit that forms vacancy section 34, the snapping size so as to increasing snapping portion 331 is buckled on the mask device 4 risk that so can make things convenient for snapping and minimizing to come off then by means of the long limit of snap fastener 33.

In addition, the alternate embodiment in first embodiment of the invention, shown in figure 13; Two Body of pillar 321 of support portion 32 more can be respectively equipped with engraves hole 3212; Its size is engraved hole 3212 and is formed at post arm 3214 less than the size of hollow hole 3211, and is positioned at the position of adosculation lamellar body 311.By means of the design of engraving hole 3212, the elastic deformation force of the post arm 3214 of lift columns body 321 further then, thus make pressure more disperse.

And for example shown in Figure 14, in an embodiment of the present invention, the height h of two Body of pillar 321 ' of support portion 32 can do different variations; Shown in present embodiment graphic; Itself and the above embodiments are compared down, and the height h of Body of pillar 321 ' is shorter, so its height can design according to actual demand and replace; So as to be replaced as the replaceable volume pad 3 of differing heights according to the demand of user, select the elasticity height that uses.

In the alternate embodiment of first embodiment of the invention; The structural design of the snapping portion of replaceable volume pad can be done different variations; Like Figure 15 and shown in Figure 16, the snapping portion 331 ' of snap fastener 33 ' can be a plurality of in regular turn separately from the pin thread of snap fastener 33 ' end face projection nail post.Make-up portion 41 ' on the mask device 4 then for being provided with the plate body in a plurality of box holes 412 ' that are provided with separately in regular turn, is snapped in the corresponding box hole 412 ', to be snapped in the make-up portion 41 ' so as to feasible snapping portion 331 ' for a plurality of pin threads nail posts.In the present embodiment; Be contacted with the end face of snap fastener 33 ' with the mode of face contact for the make-up portion 41 ' of plate demihull shape; The pressure of compressing is still can reaches dispersive purpose, same identical with the above embodiments, and can promote comfort level and more be obedient to the first-class purpose of user forehead.

Please consult Figure 17 and shown in Figure 180 again; In the second embodiment of the present invention; Itself and the first embodiment difference are: snap fastener 33 " be to be made as two; and two relatively from two Body of pillar 321 " the surface extend and form, form snap fastener 33 " long limit d1 then more than or equal to the long limit d4 of formation hollow hole 3211, so as to reaching the purpose that is equal to above-mentioned first embodiment; and by means of two snap fasteners 33 are set " be buckled in the make-up portion (not shown) of mask device with the mode of 2 snappings, then have the advantage of more convenient assembly snapping.Snap fastener 33 " snapping portion 331 " then for from snap fastener 33 " and the snapping groove that sets to the concave of outer shroud sidewall, the make-up portion (not shown) of above-mentioned mask device is then for being provided with the plate body of catching groove.

In addition, more can be provided with two tops in the support portion 32 and support projection 323, the long limit wall of self-forming hollow hole 3211 forms towards the 31 directions extension of substrate portion respectively.When support portion 32 is stressed and when being out of shape, another long limit wall that 323 of projections can be resisted against hollow hole 3211 is supported on the top, shorten the distance of withholding of support portion 32 when reducing with the assembly of mask device snapping, be beneficial to make things convenient for the assembly snapping.Like Figure 17 and shown in Figure 19; Substrate portion 31 more can be provided with two and wear shrinkage pool 314 thoroughly; Form two contact lamellar bodies 311 respectively, and can further pass through the chassis 3213 of perforating branches support part 32 and be communicated with, the ventilative comfortableness in the time of then can increasing use by means of the design of wearing shrinkage pool 314 thoroughly with the hole 3212 of engraving of support portion 32.

Secondly; The first surface 3111 of two contact lamellar bodies 311 more can respectively be formed with a depression 315 "; form depression 315 " wall then be raised with protrudingly grab 316 ", wear shrinkage pool 314 and depression 315 thoroughly " be connected and wear thoroughly and protrudingly grab 316 ", by means of caving in 315 " and protrudingly grab 316 " design; and match, then can prevent to contact lamellar body 311 and generally hold the problem that the user forehead causes sultry discomfort as sucker with wearing shrinkage pool 314 thoroughly.That is cave in 315 " grab 316 with protruding " have function anti-skidding and heat radiation, wear shrinkage pool 314 thoroughly and be can prevent to contact lamellar body 311 applying absorption and have the function of heat radiation.

Again; Extremely shown in Figure 19 like Figure 17; The lateral margin of the plate arm 322 of support portion 32 can convex with positioning convex column 324 ", this positioning convex column 324 " be to be used for when the make-up portion of replaceable volume pad 3 of the present invention and mask device is interlockingly connected assembly positioning convex column 324 " anchor point that then can be in order to as assembly the time.Shown in figure 20, make-up portion 41 " extend to form an annular fastening catch 413 corresponding to the position of support portion 32 outer rims ", fasten catch 413 " corresponding to positioning convex column 324 " the position be arranged with form a locating slot 414 ".Replaceable volume pad 3 is during with mask device 4 assemblings, the positioning convex column 324 of replaceable volume pad 3 " be fastened on the locating slot 414 of mask device 4 " in, an end of support portion 32 is coated and fixed on and fastens catch 413 " in.Cooperation when assembling so as to being beneficial to is with fixing.Moreover, fasten catch 413 " coat post arm 321 " the position can be higher than other positions, so as to reaching preferable fixed effect.Yet the described top of present embodiment is supported projection, is worn shrinkage pool, depression, protruding grab and positioning convex column etc. all also can further design in the volume pad of first embodiment thoroughly, reaches identical effect then.

The structure of hollow out is strengthened and disperseed to comprehensive above-mentioned explanation, the present invention by means of the structural design of the hollow hole that forms vacancy section and Body of pillar, and the structural strength of whole volume pad and stress disperse preferable.And the contact lamellar body can be finely tuned reducing compressing according to the forehead surface undulation up and down, and more strengthens and disperse contact area, promotes comfort and more docile.

Secondly, snap fastener needs more than or equal to the long limit that forms vacancy section, or more than or equal to the long limit of hollow hole, so can strengthen the snapping area, is connected to Convenient button and reaches the risk that minimizing comes off on the mask device.Moreover, can on the contact lamellar body, be provided with chase, with the generation of minimizing slip, and have the effectiveness of perspire.

The above-mentioned accompanying drawing that discloses, explanation; Be merely embodiments of the invention; All those of ordinary skills can do other all improvement according to above-mentioned explanation, and these change still belong to invention spirit of the present invention and below in the claim protection domain that defines.

Claims

1. the replaceable volume pad of a sun pressure breathing mask can be buckled in the make-up portion that this sun is pressed a mask device of breathing mask, and this replaceable volume pad is characterized in that, comprises:

Snap fastener, extend on the surface of this two Body of pillar and this plate arm certainly, and the long limit of this snap fastener is more than or equal to the long limit of this vacancy section of formation, and this snap fastener is formed with snapping portion, and this snapping portion is in order to the assembly that is interlockingly connected of the make-up portion with above-mentioned mask device.

2. sun as claimed in claim 1 is pressed the replaceable volume pad of breathing mask, it is characterized in that, the first surface of this two contacts lamellar body respectively is concaved with at least one chase.

3. sun as claimed in claim 1 is pressed the replaceable volume pad of breathing mask, it is characterized in that this two Body of pillar more is respectively equipped with the engrave hole of size less than this hollow hole, and this engraves the position that the hole is positioned at nearly this contact lamellar body.

4. sun as claimed in claim 3 is pressed the replaceable volume pad of breathing mask; It is characterized in that; This Body of pillar respectively has one from the protruding chassis of extending of the second surface of this contact lamellar body, and a post arm from this chassis extension, and this hollow hole and this are engraved the hole and be formed at this post arm; This support portion more is provided with two tops and supports projection, and the long limit wall of this hollow hole of self-forming forms towards this substrate portion direction extension respectively.

5. sun as claimed in claim 4 is pressed the replaceable volume pad of breathing mask, it is characterized in that, this substrate portion more be provided with two be formed at this two contacts lamellar body respectively wear shrinkage pool thoroughly, this is worn shrinkage pool thoroughly and wears the chassis of this support portion thoroughly and be communicated with the hole of engraving of this support portion.

6. sun as claimed in claim 5 is pressed the replaceable volume pad of breathing mask, it is characterized in that, the first surface of this two contacts lamellar body respectively is formed with a depression, and the wall that forms this depression is raised with protruding grabbing, and this is worn shrinkage pool thoroughly and is connected with this depression and wears this protruding grabbing thoroughly.

7. sun as claimed in claim 1 is pressed the replaceable volume pad of breathing mask; It is characterized in that; The snapping groove of this snapping portion for setting to the concave from the outer shroud sidewall of this snap fastener, above-mentioned make-up portion one is provided with the plate body of catching groove, this snapping groove and the mutual assembly of this catching groove.

8. the replaceable volume pad of a sun pressure breathing mask can be buckled in the make-up portion that this sun is pressed a mask device of breathing mask, and this replaceable volume pad is characterized in that, comprises:

9. sun as claimed in claim 8 is pressed the replaceable volume pad of breathing mask, it is characterized in that, the first surface of this two contacts lamellar body respectively is concaved with at least one chase.

10. sun as claimed in claim 8 is pressed the replaceable volume pad of breathing mask, it is characterized in that this two Body of pillar more is respectively equipped with the engrave hole of size less than this hollow hole, and this engraves the position that the hole is positioned at nearly this contact lamellar body.

11. sun as claimed in claim 10 is pressed the replaceable volume pad of breathing mask; It is characterized in that; This Body of pillar respectively has one from the protruding chassis of extending of the second surface of this contact lamellar body, and a post arm from this chassis extension, and this hollow hole and this are engraved the hole and be formed at this post arm; This support portion more is provided with two tops and supports projection, and the long limit wall of this hollow hole of self-forming forms towards this substrate portion direction extension respectively.

12. sun as claimed in claim 11 is pressed the replaceable volume pad of breathing mask, it is characterized in that, this substrate portion more be provided with two be formed at this two contacts lamellar body respectively wear shrinkage pool thoroughly, this is worn shrinkage pool thoroughly and wears the chassis of this support portion thoroughly and be communicated with the hole of engraving of this support portion.

13. sun as claimed in claim 12 is pressed the replaceable volume pad of breathing mask, it is characterized in that, the first surface of this two contacts lamellar body respectively is formed with a depression, and the wall that forms this depression is raised with protruding grabbing, and this is worn shrinkage pool thoroughly and is connected with this depression and wears this protruding grabbing thoroughly.

14. sun as claimed in claim 8 is pressed the replaceable volume pad of breathing mask; It is characterized in that; The snapping groove of this snapping portion for setting to the concave from the outer shroud sidewall of this snap fastener, above-mentioned make-up portion is the plate body that is provided with catching groove, this snapping groove and the mutual assembly of this catching groove.

15. sun as claimed in claim 14 is pressed the replaceable volume pad of breathing mask; It is characterized in that; This make-up portion extends to form a fastening catch corresponding to the position of this support portion outer rim, and the lateral margin of the plate arm of this support portion convexes with a location projection, and this fastening catch is arranged with formation one locating slot corresponding to the position of positioning convex column; This positioning convex column is fastened on this locating slot, and an end of this support portion is coated and fixed on this fastening catch.