CN215653493U - Breather valve structure for mask - Google Patents
Breather valve structure for mask Download PDFInfo
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- CN215653493U CN215653493U CN202120995054.1U CN202120995054U CN215653493U CN 215653493 U CN215653493 U CN 215653493U CN 202120995054 U CN202120995054 U CN 202120995054U CN 215653493 U CN215653493 U CN 215653493U
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- exhalation
- valve
- dust box
- valve seat
- box body
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Abstract
The utility model relates to a breather valve structure for a mask.A inner support is arranged into two parts, namely an air suction valve seat and an air expiration valve seat, and is of an integrated structure, a dust box body and an air expiration valve cover are directly arranged on the inner support, the installation is convenient and rapid, accessories are saved, and the air expiration valve cover do not allow outside winged insects or particles to enter the inner part, so that the air expiration valve seat is protected; inhale the disk seat and be connected with dirt box body buckle formula, set up dirt box body and dirt box lid into split type structure, one side is articulated through the pivot, and the opposite side passes through the handle to be fixed with both, and it is convenient to open and close, and the filter pulp can be more convenient to the filter dust box change. The utility model has the advantages of simple structure, more simplified product structure, more solid and reliable structure, convenient assembly, time saving, greatly reduced weight compared with the prior art, and improved product performance.
Description
Technical Field
The utility model relates to the field of masks, in particular to a breather valve structure for a mask.
Background
In the existing products of the single-filter element mask (non-plastic-coated structure), an exhalation valve seat and an inhalation valve seat are independent structures and need to be respectively installed on a mask body; the structure of the dust filtering box of the mask is very complicated when being opened or the switch is not smooth when being opened, because the opened switch is generally integrated with the dust box body.
The disadvantages are that:
firstly, the exhalation valve seat and the inhalation valve seat with independent structures bring complexity to product assembly;
secondly, the structure is difficult to arrange the expiratory valve protection device, so that the expiratory valve is more easily influenced by external small winged insects or particles. (even if the expiratory valve protection device is arranged, the connection strength of the expiratory valve protection device cannot reach the standard easily.)
All the parts are fixed on the mask body, the weight is heavier, and a user can press the cervical vertebra when wearing the mask for a long time, so that the mask feels uncomfortable.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a breather valve structure for a mask, which adopts the technical scheme that:
the mask comprises a mask body, an inner support, a dust box body arranged on the mask body and a dust box cover arranged on the dust box body, wherein a sealing ring extends forwards from the front end of the mask body, the sealing ring is an air suction port sealing ring and an air expiration port sealing ring, the inner support is provided with an air suction valve seat and an air expiration valve seat, the air suction valve seat and the air suction port sealing ring are of an integrated structure, the air suction valve seat corresponds to the air suction port sealing ring, and the air expiration valve seat corresponds to the air expiration port sealing ring;
the exhalation valve seat is provided with an outer edge extending forwards, the periphery of the outer edge is provided with an external thread, the respiration valve cover is fixedly connected with the exhalation valve seat through a thread, and the exhalation valve is arranged between the exhalation valve seat and the exhalation valve cover.
Furthermore, the bottom of the expiratory valve is circular, a bulge is arranged in the middle of the expiratory valve, the bulge consists of a top part and a bottom part, the top part is conical, the bottom part is cylindrical, a through hole is formed in the middle of the expiratory valve seat, the conical shape of the expiratory valve is arranged at the through hole, and an expiratory space is formed between the expiratory valve and the expiratory valve cover during expiration.
Furthermore, the inner edge of the air suction valve seat is circular, three support frames are arranged on the air suction valve seat, and an air suction hole is arranged between every two support frames.
Furthermore, a support frame is arranged between the outer edge of the through hole in the middle of the expiratory valve seat and the inner side of the expiratory part, and an expiratory hole is arranged between every two adjacent support frames.
Furthermore, the dust box body and the dust box cover are of a split structure, one side of the dust box body is hinged with the dust box cover through a rotating shaft, and the other side of the dust box body is fixedly connected with the dust box cover through a handle arranged on the dust box body.
Furthermore, the air suction valve seat and the dust box body are fixedly connected through a buckle.
Furthermore, an exhalation hole is formed in the exhalation valve cover.
The utility model has the beneficial effects that: the utility model relates to a breather valve structure for a mask.A inner support is arranged into two parts, namely an air suction valve seat and an air expiration valve seat, and is of an integrated structure, a dust box body and an air expiration valve cover are directly arranged on the inner support, the installation is convenient and rapid, accessories are saved, and the air expiration valve cover do not allow outside winged insects or particles to enter the inner part, so that the air expiration valve seat is protected; inhale the disk seat and be connected with dirt box body buckle formula, set up dirt box body and dirt box lid into split type structure, one side is articulated through the pivot, and the opposite side passes through the handle to be fixed with both, and it is convenient to open and close, and the filter pulp can be more convenient to the filter dust box change. The utility model has the advantages of simple structure, more simplified product structure, more solid and reliable structure, convenient assembly, time saving, greatly reduced weight compared with the prior art, and improved product performance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the inner bracket after installation;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic structural view of an exhalation part of the inner support;
FIG. 5 is a schematic view of the assembled structure of FIG. 1;
FIG. 6 is a side sectional view of FIG. 5;
as shown in the figure, 1 inner support, 1-1 breathing valve seat, 1-2 breathing valve seat, 2 expiratory valve, 3 expiratory valve cover, 4 dust box body, 5 dust box cover, 6 mask body, 7 inspiratory seal ring, 8 expiratory seal ring, 9 bulge, 9-1 cone, 9-2 column, 10 inspiratory hole, 11 through hole, 12 support frame, 13 expiratory hole, 14 handle and 15 rotating shaft.
Detailed Description
As shown in the figure, the utility model is a breather valve structure for a face mask, which comprises a face mask body 6, an inner support 1, a dust box body 4 arranged on the face mask body and a dust box cover 5 arranged on the dust box body, wherein the front end of the face mask body extends forwards to form a sealing ring which is an air suction port sealing ring 7 and an exhalation port sealing ring 8, the inner support is provided with an air suction valve seat 1-1 and an exhalation valve seat 1-2 and is of an integrated structure, the air suction valve seat corresponds to the air suction port sealing ring, and the exhalation valve seat corresponds to the exhalation port sealing ring; the shape of the inner support is matched with the outline of the mask body so as to install the inner support at the air inlet sealing ring and the air outlet sealing ring.
The air suction valve seat is fixedly connected with the dust box body through a buckle, and four buckle type structures are arranged on the air suction valve seat, are opposite in pairs and correspond to the buckle on the dust box body. The dust box body is fixed on the inner support, so that one accessory is saved; the breathing valve seat and the breathing valve seat are combined into a whole, and accessories are saved, so that the weight of the product is reduced, and the performance of the product is improved.
The exhalation valve seat is provided with an outer edge which extends forwards and is circular, the periphery of the outer edge is provided with an external thread, the respiration valve cover 3 is fixedly connected with the exhalation valve seat through a thread, the exhalation valve seat is fixedly connected with the mask body through the exhalation valve cover, and the exhalation valve 2 is arranged between the exhalation valve seat and the exhalation valve cover. The bottom edge of the expiratory valve is circular, a bulge 9 is arranged in the middle of the expiratory valve, the bulge consists of a top part and a bottom part, the top part is conical 9-1, the bottom part is cylindrical 9-2, and the expiratory valve is integrally formed; the middle of the expiratory valve seat is provided with a through hole 11, the cone of the expiratory valve is arranged at the through hole, the expiratory valve is locked inside by using the expiratory valve cover, when in expiration, an expiratory space is arranged between the expiratory valve and the expiratory valve cover, and the expiratory valve cover is also provided with the expiratory hole, so that the expiration is smooth. The external winged insects or particles are prevented from entering the inner part due to the functions of the exhalation valve and the exhalation valve cover.
The air suction valve seat is provided with an inner edge which is round, three support frames are arranged on the air suction valve seat, and an air suction hole is arranged between every two support frames.
Furthermore, a support frame 12 is arranged between the outer edge of the through hole in the middle of the expiratory valve seat and the inner side of the expiratory part, and an expiratory hole 10 is arranged between the adjacent support frames.
Furthermore, the dust box body and the dust box cover are of a split structure, one side of the dust box body is hinged with the dust box cover through a rotating shaft 15, and the other side of the dust box body is fixedly connected with the dust box cover through a handle 14 arranged on the dust box body.
The installation process of the utility model is as follows:
as shown in figure 1, the inner support is arranged from the left side of the mask body, an inhalation valve seat of the inner support extends into an inhalation sealing ring, an exhalation valve seat of the inner support extends into an exhalation sealing ring, and an inhalation valve seat and an exhalation valve seat both extend from the right side of the mask body. The exhalation valve and the exhalation valve cover are arranged on the exhalation valve seat, the dust box body is arranged on the inhalation valve seat, and then the handle on the dust box body is buckled on the dust box cover to complete the installation.
The utility model relates to a breather valve structure for a mask.A inner support is arranged into two parts, namely an air suction valve seat and an air expiration valve seat, and is of an integrated structure, a dust box body and an air expiration valve cover are directly arranged on the inner support, the installation is convenient and rapid, accessories are saved, and the air expiration valve cover do not allow outside winged insects or particles to enter the inner part, so that the air expiration valve seat is protected; inhale the disk seat and be connected with dirt box body buckle formula, set up dirt box body and dirt box lid into split type structure, one side is articulated through the pivot, and the opposite side passes through the handle to be fixed with both, and it is convenient to open and close, and the filter pulp can be more convenient to the filter dust box change. The utility model has the advantages of simple structure, more simplified product structure, more solid and reliable structure, convenient assembly, time saving, greatly reduced weight compared with the prior art, and improved product performance.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All modifications made according to the spirit of the main technical scheme of the utility model are covered in the protection scope of the utility model.
Claims (7)
1. A breather valve structure for a face mask comprises a face mask body, an inner support, a dust box body arranged on the face mask body and a dust box cover arranged on the dust box body, and is characterized in that a sealing ring extends forwards at the front end of the face mask body, the sealing ring is an air suction port sealing ring and an exhalation port sealing ring, an air suction valve seat and an exhalation valve seat are arranged on the inner support and are of an integrated structure, the air suction valve seat corresponds to the air suction port sealing ring, and the exhalation valve seat corresponds to the exhalation port sealing ring;
the exhalation valve seat is provided with an outer edge extending forwards, the periphery of the outer edge is provided with an external thread, the respiration valve cover is fixedly connected with the exhalation valve seat through a thread, and the exhalation valve is arranged between the exhalation valve seat and the exhalation valve cover.
2. The structure of a respiratory valve of a mask as claimed in claim 1, wherein the bottom of the exhalation valve is circular, a protrusion is provided in the middle of the exhalation valve, the protrusion is composed of a top and a bottom, the top is conical, the bottom is cylindrical, a through hole is provided in the middle of the exhalation valve seat, the conical shape of the exhalation valve is provided at the through hole, and an exhalation space is provided between the exhalation valve and the exhalation valve cover during exhalation.
3. A structure of breathing valve for mask as claimed in claim 1, wherein the inner edge of the inhalation valve base is circular, and three supports are provided thereon, and an inhalation hole is provided between each support.
4. The structure of a breathing valve for a mask as claimed in claim 1, wherein a support frame is provided between the outer edge of the through hole in the middle of the exhalation valve holder and the inside of the exhalation part, and an exhalation port is provided between adjacent support frames.
5. The structure of a breathing valve for a mask as claimed in claim 1, wherein the dust box body and the dust box cover are a split structure, one side of the dust box body is hinged with the dust box cover through a rotating shaft, and the other side of the dust box body is fixedly connected with the dust box cover through a handle mounted on the dust box body.
6. A structure of breathing valve for mask as claimed in claim 1, wherein the suction valve seat is fixed with the dust box body by a snap connection.
7. A breathing valve structure for a mask as claimed in any one of claims 1 to 6 wherein the exhalation valve cover is provided with an exhalation vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120995054.1U CN215653493U (en) | 2021-05-11 | 2021-05-11 | Breather valve structure for mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120995054.1U CN215653493U (en) | 2021-05-11 | 2021-05-11 | Breather valve structure for mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215653493U true CN215653493U (en) | 2022-01-28 |
Family
ID=79971815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120995054.1U Active CN215653493U (en) | 2021-05-11 | 2021-05-11 | Breather valve structure for mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215653493U (en) |
-
2021
- 2021-05-11 CN CN202120995054.1U patent/CN215653493U/en active Active
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