CN216255582U

CN216255582U - Mask with one-way valve

Info

Publication number: CN216255582U
Application number: CN202122570259.8U
Authority: CN
Inventors: 谢惠; 张洁; 杨悦; 何玉琦
Original assignee: 7th Medical Center of PLA General Hospital
Current assignee: 7th Medical Center of PLA General Hospital
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-12
Anticipated expiration: 2031-10-25

Abstract

The utility model provides a mask with a one-way valve, which comprises: the gauze mask body, the front end surface of gauze mask body is provided with compressing tightly the piece, and the rear side of gauze mask body is provided with the hangers area, the front end breathing position of gauze mask body is provided with the valve bonnet device, and the inboard front end of valve bonnet device is connected with luer and connects, the valve bonnet device sets up the device shell including the outside, and the inside of device shell is provided with the two-way valve, the front end of two-way valve is connected with first connecting pipe, and the front end of first connecting pipe is connected with the check valve main part. The utility model solves the problems that the one-way valve mask provided in the background technology is difficult to realize in process and is uncomfortable to wear.

Description

Mask with one-way valve

Technical Field

The utility model relates to the technical field of medical accessories, in particular to a mask with a one-way valve.

Background

Masks, as a protective article, are widely used in daily life or in medical institutions, especially during periods of respiratory disease or when the air quality is poor.

The requirements of the existing mask for protection are more strict along with the enhancement of health consciousness of people, and the requirements of the performance of the mask such as KN95, KN98, KR95, KR98 and the like bring about the reduction of the other performance of the mask: the ventilation pressure difference. The existing mask with better sealing performance and stronger filtering performance is relatively large in ventilation pressure difference, so that a user feels flustered, and the mask can bear the possibility of common people, but the mask is easy to generate an oxygen deficiency condition and is damaged by people who work hard and have poor physique. In the plague of combating new coronavirus, the problem of oxygen deficiency of many medical personnel due to masks occurs.

Through search, in the prior art, a multifunctional mask with a one-way valve is applied to royal seagold in Jiashan county, Zhejiang province on 26.8.2005, and a Chinese patent with application number of 200510060524.0, which is published on 4.10.2006 and publication number of 1840213A, is provided in the technical scheme of the patent. The mask consists of a mask body and a frenum, wherein the mask body is attached to the periphery of the mouth and the nose in an arc concave shape, the frenum is connected with the mask body and used for fixing the mask body, and a filter, an expiration one-way valve and an inspiration one-way valve are arranged on the mask body. The filter is charged with static electricity or/and magnetism or/and adhesive or/and bactericide or/and aromatic. The mask has the advantages of obvious filtering effect, convenient cleaning and disinfection, sterilization and disinfection of gas particularly exhaled by patients with respiratory diseases, and no feeling of suffocation during breathing. Can be widely applied to industries with serious dust and pollution, such as industry, medicine and health, environmental service industry and the like.

Although the above-mentioned prior art documents propose mounting the one-way valve on the mask, they still have the following disadvantages: the check valve is installed inside the gauze mask body, when breathing in or giving vent to anger, opening and closing the space of check valve piece are limited, for example breathe in when breathing in the check valve open can touch face, arouse the discomfort, secondly, at gauze mask internally mounted check valve, disk seat and filter, current technology is difficult for realizing.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, a mask with a one-way valve is provided so as to solve the problems that the one-way valve mask provided in the background art is difficult to realize in process and is uncomfortable to wear.

In order to achieve the above object, there is provided a mask with a check valve, comprising:

the gauze mask body, the front end surface of gauze mask body is provided with compressing tightly the piece, and the rear side of gauze mask body is provided with the hangers area, the front end breathing position of gauze mask body is provided with the valve bonnet device, and the inboard front end of valve bonnet device is connected with luer and connects, the valve bonnet device sets up the device shell including the outside, and the inside of device shell is provided with the two-way valve, the front end of two-way valve is connected with first connecting pipe, and the front end of first connecting pipe is connected with the check valve main part.

Further, the rear end of device shell is provided with the colloid gasket, and the colloid gasket passes through the connection piece to be fixed on the surface of gauze mask body to the inboard of colloid gasket is provided with the filter tip.

Further, the gauze mask body sets up the waterproof layer including the outside, and the waterproof layer sets up to the antiseized non-woven fabrics that has waterproof coating to the inboard of waterproof layer is provided with the filter layer of melting and spouts the non-woven fabrics material, and the inboard of filter layer is provided with the close skin layer of non-woven fabrics material.

Furthermore, the check valve main part sets up including the valve body, and the inside of valve body is provided with the valve pocket, and the inside of valve pocket is provided with the case ball, and the rear end of case ball is connected with the spring to the valve with first connecting pipe intercommunication is just seted up in the inside of valve body to the rear end of spring.

Further, the front end of check valve main part is connected with the second connecting pipe, and the inside of second connecting pipe is provided with the flow valve to flow valve and two-way valve all are provided with the knob formula valve rod that is located the device shell upper end outside.

Further, the second connecting pipe is fixed with luer connector spiro union, and luer connector sets up including connecting the main part to the inside of connecting the main part is seted up the toper and is taken the screwed spread groove, and the inboard of spread groove is provided with the intake duct of second connecting pipe intercommunication.

The mask with the one-way valve has the advantages that the valve cover device is convenient to open and close by the two-way valve, the connecting groove and the air inlet channel which are included by the luer connector are convenient for connecting an external oxygen pipeline to realize oxygen dredging, the two-way valve, the one-way valve main body and the luer connector are conveniently connected into an integral structure through the first connecting pipe and the second connecting pipe and are arranged in the device shell, the valve core ball, the valve cavity, the spring and the valve which are arranged in the one-way valve main body are convenient for one-way oxygen suction, the valve core ball closes the valve when air is discharged, the oxygen deficiency phenomenon of a user is ensured not to occur easily, the mask has certain filtering effect and is comfortable to wear by utilizing the waterproof layer, the filtering layer and the skin-friendly layer which are arranged in the mask body, through colloid gasket and filter tip, valve bonnet device and the soft connection of gauze mask main part to and further reinforcing filter effect.

Drawings

Fig. 1 is a schematic perspective view of a mask with a check valve according to an embodiment of the present invention.

Fig. 2 is a schematic view of a mask body and the interior of a valve cover device according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a location a in fig. 2 according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram at B in fig. 2 according to an embodiment of the present invention.

1. A mask body; 2. a compression sheet; 3. ear hanging belts; 4. a valve housing arrangement; 5. a luer fitting; 51. connecting grooves; 52. a connector body; 53. an air inlet channel; 6. a two-way valve; 7. a device housing; 8. a flow valve; 9. a check valve body; 91. a valve body; 92. a valve core ball; 93. a spring; 94. a valve cavity; 95. an air valve; 10. a second connecting pipe; 11. a first connecting pipe; 12. connecting sheets; 13. a colloid gasket; 14. a filter tip; 15. a waterproof layer; 16. a filter layer; 17. and a skin-friendly layer.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Fig. 1 is a schematic perspective view of a mask with a check valve according to an embodiment of the present invention, fig. 2 is a schematic perspective view of a partial mask body and an interior of a valve cover device according to an embodiment of the present invention, fig. 3 is a schematic view of a structure a of fig. 2 according to an embodiment of the present invention, and fig. 4 is a schematic view of a structure B of fig. 2 according to an embodiment of the present invention

Referring to fig. 1 to 4, the present invention provides a mask with a check valve, including: the mask comprises a mask body 1, a valve mask device 4, a luer connector 5 and a one-way valve main body 9.

Specifically, the front end surface of gauze mask body 1 is provided with compressing tightly piece 2, and the rear side of gauze mask body 1 is provided with hangers area 3, and the front end breathing position of gauze mask body 1 is provided with valve bonnet device 4, and the inboard front end of valve bonnet device 4 is connected with luer 5, and valve bonnet device 4 sets up device shell 7 including the outside, and the inside of device shell 7 is provided with two-way valve 6, and the front end of two-way valve 6 is connected with first connecting pipe 11, and the front end of first connecting pipe 11 is connected with check valve main part 9.

In the embodiment, the pressing piece 2 is convenient for the mask body 1 to be attached to the face; the two-way valve 6 punches a hole at a position determined by the front end of the mask body 1, the two-way valve 6 is installed, and then the mask is welded firmly by an ultrasonic welding machine; the luer connector 5 is provided with a male connector and a female connector, in the embodiment, the female connector is adopted, and the connection with an external oxygen source is switched through the male connector.

The back end of the device shell 7 is provided with a colloid gasket 13, the colloid gasket 13 is fixed on the surface of the mask body 1 through a connecting sheet 12, and the inner side of the colloid gasket 13 is provided with a filter 14.

In a preferred embodiment, the valve cover device 4 is flexibly connected with the mask body 1 through the glue pad 13 and the filter 14, and further, the filtering effect and the wearing comfort are enhanced, and the two-way valve 6 penetrates through the glue pad 13 through punching.

The mask body 1 is provided with a waterproof layer 15 comprising an outer side, the waterproof layer 15 is arranged to be an anti-sticking non-woven fabric with a waterproof coating, a filter layer 16 made of melt-blown non-woven fabric is arranged on the inner side of the waterproof layer 15, and a skin-friendly layer 17 made of non-woven fabric is arranged on the inner side of the filter layer 16.

As a preferred embodiment, the mask has a certain filtering effect and wearing comfort by using the waterproof layer 15, the filtering layer 16 and the skin-friendly layer 17 included in the mask body 1.

The check valve main body 9 comprises a valve body 91, a valve cavity 94 is arranged inside the valve body 91, a valve core ball 92 is arranged inside the valve cavity 94, the rear end of the valve core ball 92 is connected with a spring 93, and a valve 95 communicated with the first connecting pipe 11 is arranged at the rear end of the spring 93 and inside the valve body 91; the front end of the check valve main body 9 is connected with a second connecting pipe 10, and the inside of the second connecting pipe 10 is provided with a flow valve 8, and the flow valve 8 and the two-way valve 6 are both provided with a knob type valve rod located outside the upper end of the device housing 7.

Specifically, when the oxygen-enriched air purifier is used, if oxygen deficiency is sensed or prevented, a pipeline of an oxygen source can be connected, the two-way valve 6 is opened, oxygen supply is realized, and damage caused by oxygen deficiency is prevented. If the user does not worry about oxygen deficiency, the two-way valve 6 can be closed, the function of the mask is the same as that of a common mask, one-way oxygen suction is facilitated through the valve core ball 92, the valve cavity 94, the spring 93 and the valve 95 which are arranged in the one-way valve main body 9, the valve core ball 92 closes the valve 95 when the user gives air, and the phenomenon of oxygen deficiency is not easy to occur to the user.

The second connecting pipe 10 is fixed with the luer connector 5 in a threaded manner, the luer connector 5 comprises a connector main body 52, a tapered threaded connecting groove 51 is formed in the connector main body 52, and an air inlet 53 communicated with the second connecting pipe 10 is formed in the inner side of the connecting groove 51.

As a preferred embodiment, through connecting groove 51 and intake duct 53 that luer 5 includes, be convenient for connect external oxygen pipeline and realize the oxygen mediation, specifically, supplement partial oxygen through the oxygen source of outside access, when the gauze mask user breathes in, oxygen flows to the space that gauze mask and gauze mask user's face formed through pipeline and check valve main part 9, and then gets into in user's the respiratory track, when the gauze mask user is breathing in, check valve main part 9 on the oxygen pipeline can close, the gas of breathing out is dispersed from the hole of gauze mask, guarantees that the user of gauze mask is difficult for taking place the oxygen deficiency phenomenon, and the oxygen source can be put suitable position on user's body.

The mask with the one-way valve can effectively solve the problems that the one-way valve mask proposed in the background technology is difficult to realize in process and uncomfortable to wear, the valve mask device is convenient to open and close by utilizing the two-way valve, the oxygen dredging is realized by being convenient to be connected with an external oxygen pipeline through the connecting groove and the air inlet channel which are included by the luer connector, the two-way valve, the one-way valve main body and the luer connector are convenient to be connected into an integral structure through the first connecting pipe and the second connecting pipe and are arranged in the device shell, the one-way oxygen is convenient to be sucked in one way through the valve core ball, the valve cavity, the spring and the valve which are included by the one-way valve main body, the valve core ball closes the valve when the air is discharged, the oxygen deficiency phenomenon of a user is ensured not to occur easily, the mask has certain filtering effect and is comfortable to wear by utilizing the waterproof layer, the filtering layer and the skin-friendly layer which are included by the mask main body, the valve cover device is flexibly connected with the mask main body, and the filtering effect is further enhanced.

Claims

1. The utility model provides a take gauze mask of check valve which characterized in that includes: gauze mask body (1), the front end surface of gauze mask body (1) is provided with compressing tightly piece (2), and the rear side of gauze mask body (1) is provided with hangers area (3), the front end of gauze mask body (1) is breathed the position and is provided with valve bonnet device (4), and the inboard front end of valve bonnet device (4) is connected with luer and connects (5), valve bonnet device (4) set up device shell (7) including the outside, and the inside of device shell (7) is provided with two-way valve (6), the front end of two-way valve (6) is connected with first connecting pipe (11), and the front end of first connecting pipe (11) is connected with check valve main part (9).

2. Mask with one-way valve according to claim 1, characterized in that the back end of the device shell (7) is provided with a gel gasket (13), the gel gasket (13) is fixed on the surface of the mask body (1) through a connecting piece (12), and the inner side of the gel gasket (13) is provided with a filter (14).

3. The mask with the one-way valve according to claim 1, wherein the mask body (1) is provided with a waterproof layer (15) comprising an outer side, the waterproof layer (15) is an anti-sticking non-woven fabric with a waterproof coating, a filter layer (16) made of melt-blown non-woven fabric is arranged on the inner side of the waterproof layer (15), and a skin-friendly layer (17) made of non-woven fabric is arranged on the inner side of the filter layer (16).

4. The mask with the one-way valve according to claim 1, wherein the one-way valve body (9) comprises a valve body (91), a valve cavity (94) is arranged inside the valve body (91), a valve core ball (92) is arranged inside the valve cavity (94), a spring (93) is connected to the rear end of the valve core ball (92), and a valve (95) communicated with the first connecting pipe (11) is arranged at the rear end of the spring (93) and inside the valve body (91).

5. The mask with the one-way valve according to claim 1, wherein a second connecting pipe (10) is connected to the front end of the one-way valve body (9), a flow valve (8) is arranged inside the second connecting pipe (10), and the flow valve (8) and the two-way valve (6) are both provided with a knob-type valve rod located outside the upper end of the device shell (7).

6. The mask with the one-way valve according to claim 5, wherein the second connecting pipe (10) is fixed with the luer connector (5) in a threaded manner, the luer connector (5) comprises a connector main body (52), a tapered threaded connecting groove (51) is formed in the connector main body (52), and an air inlet (53) communicated with the second connecting pipe (10) is formed in the inner side of the connecting groove (51).