CN220877549U - Expiration valve block structure - Google Patents
Expiration valve block structure Download PDFInfo
- Publication number
- CN220877549U CN220877549U CN202322593148.8U CN202322593148U CN220877549U CN 220877549 U CN220877549 U CN 220877549U CN 202322593148 U CN202322593148 U CN 202322593148U CN 220877549 U CN220877549 U CN 220877549U
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- Prior art keywords
- ring
- valve plate
- ring seat
- wall
- embedded
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- 238000007789 sealing Methods 0.000 claims abstract description 36
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 28
- 210000001503 joint Anatomy 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 7
- 239000012634 fragment Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000000241 respiratory effect Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model discloses an exhalation valve plate structure, which belongs to the technical field of medical supplies and comprises a valve body and a respiration valve plate body, wherein the inner side of the valve body is fixedly connected with a ring seat, the radial position of the inner wall of the ring seat is provided with a sealing groove, the axial position of the outer wall of the ring seat is symmetrically provided with clamping grooves, the clamping grooves penetrate through the ring seat, the middle position of the inner side of the ring seat is provided with an embedding hole, after a spring plate corresponds to the clamping grooves, the spring plate can pop out from the inner side of the groove, so that the spring plate is clamped with the clamping grooves, the respiration valve plate body can be effectively prevented from loosening, the mounting stability of the respiration valve plate body can be improved by the interference connection between the clamping ball head and the embedding hole, and meanwhile, the sealing rubber ring embedded at the outer wall of the ring plate is embedded into the sealing groove arranged at the inner wall of the ring seat, so that the gap at the joint of the ring plate and the ring seat is filled, and the sealing effect of the assembly of the respiration valve plate body is ensured.
Description
Technical Field
The utility model relates to the technical field of medical supplies, in particular to an exhalation valve plate structure.
Background
The epidemic prevention gauze mask of area breather valve of prior art, its structure all includes the cover body 1, locates the valve body 4 on the cover body 1, locates expiration passageway on the valve body 4, locates expiration valve lid on the expiration passageway, adopts the epidemic prevention gauze mask of area breather valve of this kind of technique to certainly can use, still has following not enoughly: 1. the exhaust gas exhausted during exhalation is directly exhausted, so that the environment is not protected by the user. 2. Because the mask body 1 of the epidemic prevention mask is usually a combined layer body comprising a non-woven fabric waterproof layer, a spray melt layer and a skin-friendly layer, air is filtered and taken from the mask body 1 overlapped by the three layers during air suction, and the air suction is more forceful. 3. Because after a period of time, the whole mask is abandoned after the spraying and melting cloth layer in the interlayer of the mask body 1 is wetted and the effect is reduced, the use cost is relatively high, the epidemic prevention mask with the breather valve in the prior patent has more labor-saving breathing in the CN 212139459U, and two separate channels of inspiration and expiration are both provided with bidirectional protection by filtration, and the filter piece only needs to be replaced after being wetted, so the use cost is relatively low.
However, in CN 212139459U, because the wet exhaled air only passes through the exhaling filter, the main exhaling filter needs to be replaced frequently, and because the exhaling filter is installed only by the way of scarf joint, the exhaling filter is easy to loose, and the sealing effect is not very good, so we propose an exhaling valve plate structure to solve the above-mentioned existing problems.
Disclosure of utility model
1. Technical problem to be solved
The utility model aims to solve the problems in the prior art and provide an exhalation valve plate structure, wherein after a spring plate corresponds to a clamping groove, the spring plate pops out of the inner side of a groove, so that the spring plate is clamped with the clamping groove, the respiration valve plate body can be effectively prevented from loosening, the mounting stability of the respiration valve plate body can be improved by connecting a clamping ball head with an embedding hole in an interference manner, and meanwhile, a sealing rubber ring embedded at the outer wall of a ring plate is embedded into a sealing groove formed at the inner wall of the ring seat, so that the gap at the joint of the ring plate and the ring seat is filled, and the sealing effect of the assembly of the respiration valve plate body is further ensured.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
An exhalation valve plate structure comprises a valve body and a respiration valve plate body;
The inner side of the valve body is fixedly connected with a ring seat, a sealing groove is formed in the radial position of the inner wall of the ring seat, clamping grooves are symmetrically formed in the axial position of the outer wall of the ring seat, the clamping grooves penetrate through the ring seat, and a scarf joint hole is formed in the middle of the inner side of the ring seat;
The respiratory valve plate is characterized in that the outer side of the respiratory valve plate body is provided with a ring piece embedded to the inner side of the ring seat, the radial position of the outer wall of the ring piece is embedded with a sealing rubber ring embedded to the inner side of the sealing groove, the axial position of the outer wall of the ring piece is symmetrically provided with a groove, the groove is movably provided with an elastic piece clamped to the inner side of the clamping groove, and the lower surface of the respiratory valve plate body is provided with a clamping ball head embedded to the inner side of the embedded hole.
Furthermore, guide grooves are formed in the axial direction of the inner wall of the ring seat, and two guide grooves are symmetrically formed in the guide grooves.
Further, guide blocks are symmetrically arranged at the axial direction of the outer wall of the ring piece, and the guide blocks are in clearance fit with the guide grooves.
Furthermore, the sealing rubber ring protrudes out of the outer wall of the ring piece, and the sealing rubber ring and the sealing groove are in clearance fit with each other.
Further, an embedded structure is formed between the groove and the elastic sheet, and the ring sheet, the guide block and the elastic sheet are all made of PVC materials.
Further, the outer diameter of the clamping ball head is larger than the inner diameter of the embedding hole, and the clamping ball head and the breathing valve plate body are of an integrated structure.
Furthermore, the inner side of the ring seat is in a hollow structure.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) According to the scheme, the ring piece provided with the breathing valve plate body is placed into the ring seat arranged on the inner side of the valve body, the elastic piece is made to be in contact with the inner wall of the ring seat in the process of placing the ring piece, the elastic piece is pressed into the inner side of the groove, after the elastic piece corresponds to the clamping groove, the elastic piece is ejected out of the inner side of the groove, so that the elastic piece is clamped with the clamping groove, the breathing valve plate body can be effectively prevented from being loosened, the mounting stability of the breathing valve plate body can be improved by connecting the clamping ball head with the embedding hole in an interference manner, and meanwhile, the sealing rubber ring embedded through the outer wall of the ring piece is embedded into the sealing groove formed in the inner wall of the ring seat, so that the gap at the joint of the ring piece and the ring seat is filled, and the sealing effect of the breathing valve plate body assembly is guaranteed.
(2) According to the scheme, in the process of assembling the breathing valve plate body, the guide blocks correspond to the guide grooves, so that the elastic pieces correspond to the clamping grooves, and the ring piece provided with the breathing valve plate body is conveniently assembled to the inner side of the ring seat.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a valve body according to the present utility model;
FIG. 3 is a schematic view of a ring structure according to the present utility model;
Fig. 4 is a schematic view of the bottom structure of the breathing valve body according to the present utility model.
The reference numerals in the figures illustrate:
1. A valve body; 2. a breath valve block body; 3. a ring seat; 4. sealing grooves; 5. a clamping groove; 6. a guide groove; 7. a scarf joint hole; 8. a ring piece; 9. sealing rubber rings; 10. a groove; 11. a spring plate; 12. a guide block; 13. and (5) clamping the ball head.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples:
Referring to fig. 1-4, an exhalation valve plate structure includes a valve body 1 and a respiration valve plate body 2;
the inner side of the valve body 1 is fixedly connected with a ring seat 3, a sealing groove 4 is formed in the radial position of the inner wall of the ring seat 3, clamping grooves 5 are symmetrically formed in the axial position of the outer wall of the ring seat 3, the clamping grooves 5 penetrate through the ring seat 3, and an embedding hole 7 is formed in the middle position of the inner side of the ring seat 3;
The outer side of the breathing valve plate body 2 is provided with a ring piece 8 embedded to the inner side of the ring seat 3, the radial position of the outer wall of the ring piece 8 is embedded with a sealing rubber ring 9 embedded to the inner side of the sealing groove 4, the axial position of the outer wall of the ring piece 8 is symmetrically provided with a groove 10, the groove 10 is movably provided with a spring piece 11 clamped to the inner side of the clamping groove 5, and the lower surface of the breathing valve plate body 2 is provided with a clamping ball head 13 embedded to the inner side of the embedding hole 7;
It should be noted that, through putting into the ring seat 3 that the valve body 1 inboard set up with the ring piece 8 that is equipped with the breather valve piece body 2, in the in-process of putting into the ring piece 8, make the inner wall butt of shell fragment 11 and ring seat 3, press it to the inboard of recess 10, after shell fragment 11 corresponds with draw-in groove 5, shell fragment 11 pops out from the recess 10 inboard, thereby make shell fragment 11 and draw-in groove 5 looks block, can effectually prevent that breather valve piece body 2 from taking off, through the interference connection between joint bulb 13 and scarf joint hole 7, thereby can improve the installation stability of breather valve piece body 2, simultaneously in the seal groove 4 that sets up through the sealing washer 9 embedding in ring seat 3 inner wall department of ring piece 8 outer wall department, thereby fill the clearance of ring piece 8 and ring seat 3 junction department, and then guarantee the sealed effect of breather valve piece body 2 assembly, when dismantling breather valve piece body 2, press down shell fragment 11 through draw-in groove 5, make shell fragment 11 imbeds to the inboard of draw-in groove 5, the convenience is dismantled to ring piece 8.
As shown in fig. 2 and 3, the axial direction of the inner wall of the ring seat 3 is provided with two guide grooves 6, the axial direction of the outer wall of the ring piece 8 is symmetrically provided with guide blocks 12, the guide blocks 12 are in clearance fit with the guide grooves 6, an embedded structure is formed between the grooves 10 and the elastic pieces 11, and the ring piece 8, the guide blocks 12 and the elastic pieces 11 are all made of PVC materials;
It should be noted that, in the process of assembling the breather valve plate body 2, the guide block 12 corresponds to the guide groove 6, so that the elastic piece 11 corresponds to the clamping groove 5, and the ring piece 8 provided with the breather valve plate body 2 is conveniently assembled to the inner side of the ring seat 3.
As shown in fig. 2 and 3, the sealing rubber ring 9 protrudes out of the outer wall of the ring piece 8, and the sealing rubber ring 9 and the sealing groove 4 are in clearance fit with each other;
It should be noted that, the sealing rubber ring 9 inlaid at the outer wall of the ring piece 8 is embedded into the sealing groove 4 formed at the inner wall of the ring seat 3, so that the gap at the joint of the ring piece 8 and the ring seat 3 is filled, and the sealing effect of the assembly of the breathing valve plate body 2 is ensured.
As shown in fig. 2 and 4, the outer diameter of the clamping ball head 13 is larger than the inner diameter of the embedding hole 7, the clamping ball head 13 and the breathing valve plate body 2 are of an integrated structure, and the inner side of the ring seat 3 is in a hollow structure;
It should be noted that, through the interference connection between the joint ball head 13 and the scarf joint hole 7, the installation stability of the breather valve plate body 2 can be improved, and the ventilation in the breathing process can be performed by arranging the inner side of the ring seat 3 in a hollow structure.
When in use: through putting into the ring seat 3 that valve body 1 inboard set up with the ring piece 8 that is equipped with breather valve piece body 2, at the in-process of putting into ring piece 8, make the inner wall butt of ring piece 11 and ring seat 3, press it to the inboard of recess 10, after shell piece 11 corresponds with draw-in groove 5, shell piece 11 pops out from recess 10 inboard, thereby make shell piece 11 and draw-in groove 5 looks block, can effectually prevent breather valve piece body 2 pine-off, through the interference connection between joint bulb 13 and scarf joint hole 7, thereby can improve the installation stability of breather valve piece body 2, simultaneously in the seal groove 4 that sets up through the sealing rubber ring 9 embedding of ring piece 8 outer wall department to ring seat 3 inner wall department, thereby pack the clearance of ring piece 8 and ring seat 3 junction department, and then guarantee the sealed effect of breather valve piece body 2 assembly, when dismantling breather valve body 2, press shell piece 11 through draw-in groove 5, make shell piece 11 imbed to the inboard of draw-in groove 5, the convenience is dismantled the installation to ring piece 8.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (7)
1. An exhale valve block structure, its characterized in that: comprises a valve body (1) and a breathing valve plate body (2);
The inner side of the valve body (1) is fixedly connected with a ring seat (3), a sealing groove (4) is formed in the radial position of the inner wall of the ring seat (3), clamping grooves (5) are symmetrically formed in the axial position of the outer wall of the ring seat (3), the clamping grooves (5) penetrate through the ring seat (3), and a scarf joint hole (7) is formed in the middle position of the inner side of the ring seat (3);
the novel breathing valve plate is characterized in that a ring piece (8) embedded to the inner side of the ring seat (3) is arranged on the outer side of the breathing valve plate body (2), a sealing rubber ring (9) embedded to the inner side of the sealing groove (4) is embedded at the radial position of the outer wall of the ring piece (8), grooves (10) are symmetrically formed in the axial position of the outer wall of the ring piece (8), elastic pieces (11) clamped to the inner side of the clamping groove (5) are movably arranged at the grooves (10), and clamping ball heads (13) embedded to the inner side of the embedding holes (7) are arranged at the lower surface of the breathing valve plate body (2).
2. The exhalation valve plate structure according to claim 1, wherein: guide grooves (6) are formed in the axial direction of the inner wall of the ring seat (3), and two guide grooves (6) are symmetrically formed.
3. The exhalation valve plate structure according to claim 2, wherein: guide blocks (12) are symmetrically arranged at the axial positions of the outer wall of the ring piece (8), and the guide blocks (12) are in clearance fit with the guide grooves (6).
4. The exhalation valve plate structure according to claim 1, wherein: the sealing rubber ring (9) protrudes out of the outer wall of the ring piece (8), and the sealing rubber ring (9) and the sealing groove (4) are in clearance fit with each other.
5. A exhalation valve plate structure according to claim 3, characterized in that: an embedded structure is formed between the groove (10) and the elastic sheet (11), and the ring sheet (8), the guide block (12) and the elastic sheet (11) are all made of PVC materials.
6. The exhalation valve plate structure according to claim 1, wherein: the outer diameter of the clamping ball head (13) is larger than the inner diameter of the embedding hole (7), and the clamping ball head (13) and the breathing valve plate body (2) are of an integrated structure.
7. The exhalation valve plate structure according to claim 1, wherein: the inner side of the ring seat (3) is in a hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322593148.8U CN220877549U (en) | 2023-09-25 | 2023-09-25 | Expiration valve block structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322593148.8U CN220877549U (en) | 2023-09-25 | 2023-09-25 | Expiration valve block structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220877549U true CN220877549U (en) | 2024-05-03 |
Family
ID=90873339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322593148.8U Active CN220877549U (en) | 2023-09-25 | 2023-09-25 | Expiration valve block structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220877549U (en) |
-
2023
- 2023-09-25 CN CN202322593148.8U patent/CN220877549U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |