CN212369435U

CN212369435U - Respirator breather valve

Info

Publication number: CN212369435U
Application number: CN202020644764.5U
Authority: CN
Inventors: 王�琦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-01-19
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a mask breather valve, including installing the breather valve on the gauze mask body, the breather valve includes shell body, interior casing and diaphragm, sets up outside extended cavity on the inner of shell body, and interior casing inlays the dress in the cavity, interior casing have the holding chamber that is used for holding material powder or powder package, and the outer end of interior casing is for outwards being the convex bulge of toper, seted up on the conical surface of bulge with the communicating through-hole in holding chamber, set up the inlet port that outwards runs through the shell body on the bottom surface of cavity, the diaphragm sets up on the bottom surface of cavity, and it is right to constitute the coveing of inlet port, the diaphragm centre gripping is fixed between the point portion and the cavity bottom surface of bulge. The setting makes above-mentioned breather valve open when inwards breathing in, close when outwards breathing out, through putting into material powder or powder package in this breather valve, can make the effectual efficiency of absorbing material powder or powder package of user to bring the help for the treatment, the remission or the prevention of disease.

Description

Respirator breather valve

Technical Field

The utility model relates to a mask breather valve.

Background

After the new coronary pneumonia virus is experienced in the year, once people are ill or go to places where people live, wearing the mask is a daily necessity, and many existing masks are often provided with breathing valves, so if corresponding material powder or powder bags can be placed in the breathing valves, the mask is helpful for disease treatment or prevention for health care. However, the breather valves on the mask are all one-way valves, and the breather valves on the existing mask are opened when exhaling outwards, and the air inlet is closed, so that if the powder or the powder bag is placed in the breather valve on the existing mask, the efficacy of the powder or the powder bag can only diffuse outwards but cannot be absorbed inwards by a user, and an improvement space exists.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, the utility model provides a gauze mask breather valve that opens when inwards breathing in, closes when outwards breathing, through put into material powder or powder package in this breather valve, enables the effectual efficiency of absorbing material powder or powder package of user to the treatment of giving the disease, alleviate or prevent and bring the help.

In order to achieve the above object, the present invention provides a respirator breather valve, comprising a breather valve mounted on a respirator body, wherein the breather valve comprises an outer shell, an inner shell and a diaphragm, the inner end of the outer shell is fixed to the respirator body, the inner end of the outer shell is provided with an outwardly extending cavity, the inner shell is embedded in the cavity, the inner shell is provided with a holding cavity for holding powder or powder packets, the inner end of the inner shell is provided with an opening communicated with the holding cavity and used for feeding the powder or the powder packets in and out, the outer end of the inner shell is a convex part which is outwardly conical, a through hole communicated with the holding cavity is arranged on the conical surface of the convex part, an air inlet hole which outwardly penetrates through the outer shell is arranged on the bottom surface of the cavity, the diaphragm is arranged on the bottom surface of the cavity and forms a covering for the air inlet hole, and the diaphragm is correspondingly positioned outside the convex part, and is clamped and fixed between the tip of the protruding part and the bottom surface of the cavity.

The utility model has the advantages that: by adopting the structure, the diaphragm is arranged on the bottom surface of the cavity and covers the air inlet, the through hole communicated with the accommodating cavity is arranged on the conical surface of the convex part, and meanwhile, the diaphragm is correspondingly positioned on the outer side of the convex part and is clamped and fixed between the tip part of the convex part and the bottom surface of the cavity, so that the air inlet cannot be opened through the diaphragm when people exhale outwards, namely, the breather valve is in a closed state when people exhale, and the part of the diaphragm shielding the air inlet moves towards the conical surface direction of the convex part under the action of air pressure when people inhale inwards, so that the air inlet is opened through the diaphragm, external air enters through the air inlet, and then the air passes through the powder or the powder bag and is absorbed by a user together with the efficacy of the powder or the powder bag. Compare the breather valve on current gauze mask, the utility model provides a be one kind and open when inwards breathing in, the gauze mask breather valve that closes when outwards exhaling, through put into material powder or powder package in this breather valve, enable the effectual absorption material powder of user or powder package efficiency to the treatment of giving the disease, alleviate or the prevention brings the help.

The utility model discloses can further set up to the bulge is conical, the through-hole has a plurality of to use the central axis of bulge to set up as central circumference equipartition, the inlet port has a plurality of, also uses the central axis of bulge to set up as central circumference equipartition, just the inlet port is less than the through-hole. This arrangement is more rational and helps to open the membrane when inhaling inwardly.

The utility model discloses still can further set up to be provided with the bulge loop that the round was located it with the inlet port circle on the bottom surface of cavity, the edge of diaphragm supports and leans on the bulge loop. The arrangement is such that when a person inhales inwards, the air inlet hole is opened more easily by the diaphragm.

The utility model discloses still can further set up to be provided with on the bottom surface of cavity with the boss that bulge loop thickness is the same, the center of diaphragm supports and leans on the boss, the sharp portion of bulge is formed with the platform, the platform is pressed the diaphragm center and is fixed on the boss. Be formed with the fixed grafting structure of pegging graft mutually between platform and the boss, grafting structure is including constituting interference fit's each other and inserting post and slot, it sets up respectively to insert post and slot on boss and the platform, the center correspondence of diaphragm is seted up and is supplied insert the centre bore that the post passed. Through the structure, the diaphragm can be effectively and reliably installed and fixed, and the structure is simple, the connection is reliable, and the disassembly and the assembly are also convenient.

The utility model discloses still can further set up to be provided with location structure between the outer peripheral face of interior casing and the shell body cavity inner wall, location structure includes the location bulge loop and the constant head tank that constitute each other and inlay the cooperation, location bulge loop and constant head tank are established respectively on the outer peripheral face of interior casing and shell body cavity inner wall. Through above-mentioned structure for interior, shell physical stamina form further effective location cooperation, not only connect the back more reliable, install in place when also helping the assembly moreover.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is a structural diagram of the inner housing of the present invention;

fig. 4 is a structural sectional view of the present invention.

Detailed Description

As shown in fig. 1, 2, 3, 4, a respirator breather valve is provided, which comprises a breather valve installed on a respirator body, wherein the breather valve comprises an outer shell 1, an inner shell 2 and a diaphragm 3, the inner end of the outer shell 1 is fixed with the respirator body, an outwardly extending concave cavity 11 is formed on the inner end of the outer shell 1, the inner shell 2 is embedded in the concave cavity 11, the inner shell 2 is provided with an accommodating cavity 21 for accommodating powder or a powder bag, an opening 22 which is communicated with the accommodating cavity 21 and used for feeding the powder or the powder bag to go in and out is formed on the inner end of the inner shell 2, and the opening 22 can seal a layer of cloth or other similar structures or materials at the opening 22 to fix the powder or the powder bag after the powder or the powder bag is placed. The outer end of interior casing 2 is outside for being the convex bulge 23 of toper, seted up on the conical surface 231 of bulge 23 with the communicating through-hole 232 in holding chamber 21, set up the inlet port 13 that outwards runs through shell body 1 on the bottom surface 12 of cavity 11, bottom surface 12 is the preferred plane, diaphragm 3 sets up on the bottom surface 12 of cavity 11, and it is right to constitute the covering of inlet port 13, diaphragm 3 corresponds the outside that is located bulge 23 to the centre gripping is fixed between tip 233 and the cavity bottom surface 12 of bulge 23.

With the above structure, since the diaphragm 3 is disposed on the bottom surface 12 of the cavity 11 and forms a cover for the air inlet hole 13, and the through hole 232 communicating with the receiving cavity 21 is disposed on the tapered surface 231 of the protruding portion 23, meanwhile, the membrane 3 is correspondingly positioned at the outer side of the bulge 23 and clamped and fixed between the tip 233 of the bulge 23 and the bottom surface 12 of the cavity, so that when people exhale outwards, the air inlet hole 13 cannot be opened through the membrane 3, that is, when people exhale, the breathing valve is in a closed state, and when people inhale inwards, the part of the diaphragm 3 covering the air inlet hole 13 moves towards the conical surface 231 of the convex part 23 under the action of air pressure, so that the diaphragm 13 opens the air inlet hole 13 to allow the external air to enter through the air inlet hole 13 and thereafter pass through the powder or the powder packet, together with the effect of the powder or the powder packet, to be absorbed by the user. Compare the breather valve on current gauze mask, the utility model provides a be one kind and open when inwards breathing in, the gauze mask breather valve that closes when outwards exhaling, through put into material powder or powder package in this breather valve, enable the effectual absorption material powder of user or powder package efficiency to the treatment of giving the disease, alleviate or the prevention brings the help.

The convex part 23 is conical, the through holes 232 are provided with a plurality of central axes of the convex part 23 as central circumferences, the air inlet holes 13 are provided with a plurality of central axes of the convex part 23 as central circumferences, and the air inlet holes 13 are smaller than the through holes 232. This arrangement is more rational and helps to open the membrane 3 when breathing in.

A circle of convex rings 14 for arranging the air inlet holes 13 in the concave cavity 11 are arranged on the bottom surface 12 of the concave cavity, and the edge of the diaphragm 3 is abutted against the convex rings 14. This arrangement makes it easier for the diaphragm 3 to open the inlet aperture 13 when a person inhales inwardly.

The bottom 12 of the cavity 11 is provided with a boss 15 with the same thickness as the convex ring 14, the center of the membrane 3 is abutted against the boss 15, the tip 233 of the bulge 23 is provided with a platform 234, and the platform 234 presses and fixes the center of the membrane 3 on the boss 15. Be formed with the fixed grafting structure of pegging graft mutually between platform 234 and the boss 15, grafting structure is including constituting interference fit's each other and inserting post 16 and slot 235, it sets up respectively to insert post 16 and slot 235 on boss 15 and the platform 234, the center correspondence of diaphragm 3 is seted up the confession it passes to insert the centre bore 31 of post 16. Through the structure, the diaphragm 3 can be effectively and reliably installed and fixed, and the structure is simple, the connection is reliable, and the disassembly and the assembly are also convenient.

Be provided with location structure between the outer peripheral face of interior casing 2 and the 11 inner walls of outer casing cavity, location structure is including constituting the location bulge loop 17 and the constant head tank 24 of cooperation each other, location bulge loop 17 and constant head tank 24 divide and establish on the outer peripheral face of interior casing 2 and the 11 inner walls of outer casing cavity. Through above-mentioned structure for interior, shell physical stamina form further effective location cooperation, not only connect the back more reliable, install in place when also helping the assembly moreover.

Claims

1. The utility model provides a gauze mask breather valve, is including installing the breather valve on the gauze mask body, its characterized in that: the breather valve includes shell body, interior casing and diaphragm, and the inner of shell body forms fixedly with the gauze mask body, sets up the cavity of outside extension on the inner of shell body, and interior casing inlays the dress in the cavity, interior casing has the holding chamber that is used for holding material powder or powder package, set up on the inner of interior casing with the holding chamber communicates with each other and supplies the opening of material powder or powder package business turn over, and the outer end of interior casing is outside to be the convex bulge of toper, set up on the conical surface of bulge with the communicating through-hole in holding chamber, set up the inlet port that outwards runs through the shell body on the bottom surface of cavity, the diaphragm sets up on the bottom surface of cavity, and constitute right the covering of inlet port, the diaphragm corresponds the outside that is located the bulge to the centre gripping is fixed between the point portion and the cavity bottom surface of bulge.

2. The mask breather valve of claim 1, wherein: the convex part is conical, the through holes are provided with a plurality of central axes of the convex part as central circumferences, the air inlet holes are uniformly distributed and provided with a plurality of central axes of the convex part as central circumferences, and the air inlet holes are smaller than the through holes.

3. The mask breather valve of claim 2, wherein: the bottom surface of the concave cavity is provided with a circle of convex rings for enclosing the air inlet hole, and the edge of the diaphragm is abutted against the convex rings.

4. The mask breather valve of claim 3, wherein: the bottom surface of the concave cavity is provided with a boss with the same thickness as the convex ring, the center of the diaphragm is abutted against the boss, the tip of the convex part is provided with a platform, and the platform presses and fixes the center of the diaphragm on the boss.

5. The mask breather valve of claim 4, wherein: be formed with the fixed grafting structure of pegging graft mutually between platform and the boss, grafting structure is including constituting interference fit's each other and inserting post and slot, it sets up respectively to insert post and slot on boss and the platform, the center correspondence of diaphragm is seted up and is supplied insert the centre bore that the post passed.

6. A mask breather valve according to claim 1, 2, 3, 4 or 5, wherein: and a positioning structure is arranged between the peripheral surface of the inner shell and the inner wall of the cavity of the outer shell.

7. The mask breather valve of claim 6, wherein: the positioning structure comprises a positioning convex ring and a positioning groove which are mutually formed into an embedded fit, and the positioning convex ring and the positioning groove are respectively arranged on the peripheral surface of the inner shell and the inner wall of the cavity of the outer shell.