CN215961672U

CN215961672U - Novel face mask

Info

Publication number: CN215961672U
Application number: CN202122277845.3U
Authority: CN
Inventors: 张翠霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-08
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a novel mask, which belongs to the technical field of medical consumables and comprises a connecting piece and a mask body, wherein the edge of the mask body is provided with an elastic cushion, the upper part of the mask body is provided with a bulge corresponding to a nose bridge, the lower end of the bulge is provided with a gas access port, the side surface of the bulge is provided with an adjusting valve and/or an expiratory valve, and the lower part of the mask body is provided with a carbon dioxide detection port. The cover body is fixed on the head through the connecting piece, and the wearing comfort degree is improved through the elastic soft pad at the edge of the cover body; the lower end of the protruding portion corresponding to the bridge of the nose is connected with an air source through an air inlet, the purposes of adjusting the concentration of inhaled air and adjusting the exhaled air are achieved through the side face of the protruding portion provided with the adjusting valve and the exhalation valve, and meanwhile, the carbon dioxide detection port at the lower portion of the protruding portion is provided with the carbon dioxide detection device to detect the concentration of carbon dioxide in the exhaled air. The utility model can adjust the concentration of the sucked gas according to the requirement, and is convenient and rapid to use; the wearing is comfortable, and the oppressive feeling during wearing can be reduced.

Description

Novel face mask

Technical Field

The utility model belongs to the technical field of medical consumables, and particularly relates to a novel mask.

Background

Oxygen is a necessary condition for human survival, and for example, in an environment with diseases or little oxygen, a human body needs to use special equipment to inhale oxygen. However, according to the needs of human body functions, the high-concentration oxygen supply is not suitable for too long time, and tests show that the oxygen poisoning phenomenon is very easy to occur when the human body continuously absorbs oxygen for more than 24 hours at the oxygen absorption concentration of more than 60 percent, so that the selection of the proper oxygen absorption concentration according to different diseases and body conditions is very necessary in the medical treatment process. However, the existing oxygen inhalation concentration control is generally to change the inhalation concentration by exchanging regulating joints with different specifications on the face mask or regulating the flow of input gas, and meanwhile, in order to avoid cross infection, disposable face masks begin to be popularized and applied, which causes high manufacturing cost of the face mask and inconvenient operation; and the existing mask is made of harder material and is uncomfortable to wear.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel mask which can adjust the concentration of inhaled gas according to actual needs and is more comfortable to wear.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

a novel face mask comprises a connecting piece which can be connected with the head and a mask body which is used for covering the mouth and the nose, wherein the edge of the mask body is provided with an elastic soft pad; the mask comprises a mask body and is characterized in that a protruding portion corresponding to the bridge of the nose is arranged at the upper portion of the middle of the mask body, a gas access port capable of being connected with a gas source is arranged at the lower end of the protruding portion, an adjusting valve and an exhalation valve are arranged on the side face of the protruding portion, and a carbon dioxide detection port capable of being connected with a carbon dioxide detection device is arranged at the lower portion of the mask body and is used for detecting the concentration of carbon dioxide in exhaled gas.

Preferably, the governing valve includes first bleeder vent and valve gap, first bleeder vent sets up on cover body side, the valve gap includes first erection column, the adjusting button of regulating plate and inside and outside, the regulating plate is fan-shaped, and sets up in the outside of first bleeder vent, be equipped with the joint bar that is used for connecting the cover body in the first bleeder vent, the middle part of joint bar is equipped with the mounting hole that is used for the first erection column of cartridge.

Preferably, the expiratory valve comprises a second air hole and an elastic blocking piece, the second air hole is formed in the side face of the cover body, the blocking piece is arranged on the outer side of the second air hole, and the blocking piece is connected with the cover body through a second mounting column; and a connecting rib used for connecting the cover body is arranged in the second air hole, and a mounting hole used for inserting the second mounting column is formed in the middle of the connecting rib.

Preferably, first erection column and second erection column all are equipped with the opening towards the one end of the internal portion of cover, all be equipped with the location platform that is used for the location on the outer disc of first erection column and second erection column, the link end and the regulating plate of first erection column link firmly, the other end of second erection column is equipped with spacing platform.

Preferably, a positioning table is arranged on the outer circular surface of the first mounting column and can be arranged on the inner side of the cover body; two positioning tables are arranged on the outer circular surface of the second mounting column at intervals, the two positioning tables are arranged on the inner side and the outer side of the cover body, and the blocking piece is arranged between the limiting table and the middle positioning table.

Preferably, one side of the projection is provided with an adjusting valve, and the other side of the projection is provided with an expiratory valve; or both sides of the convex part are provided with the regulating valve and the expiratory valve.

Preferably, one side of the soft cushion is provided with a lap joint part adhered to the inner part of the edge of the cover body, and the edge of the soft cushion corresponding to the chin part is provided with a convex eave which is tilted outwards; the middle of the soft cushion is provided with a connecting part which inclines outwards and is positioned between the convex brim and the edge of the cover body; the cover body is injection moulding once by rigid plastic, the cushion is fixed in the edge of the cover body through secondary injection moulding.

Preferably, the gas access port is connected with the gas inlet pipe, the inlet of the gas inlet pipe faces to the upper part, the lower part or the side surface, the inner hole of the gas inlet pipe is a taper hole with a large outer part and a small inner part, or the outer wall of the gas inlet pipe is an outer taper with a small outer part and a large inner part.

Preferably, a concave pit or a plane is arranged in the middle of the protruding part of the mask body corresponding to the bridge of the nose, the part of the protruding part corresponding to the nose tip and the platform of the corresponding mouth of the mask body are in arc transition, and the edge of the soft pad is provided with an inner curled edge; the lower part of the platform is provided with a groove used for being matched with a hand.

Preferably, the connecting piece is for wearing the ring, the both sides of the cover body and cushion are equipped with and are used for fixed head to wear the mounting hole of ring, the both ends that the ring was worn to the head are equipped with can with mounting hole interference fit's spliced pole.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the mask body is fixed on the head through the connecting piece, and the wearing comfort degree is improved through the elastic soft pad at the edge of the mask body; the lower end of the protruding portion corresponding to the bridge of the nose is connected with an air source through an air inlet, the purposes of adjusting the concentration of inhaled air and adjusting the exhaled air are achieved through the side face of the protruding portion provided with the adjusting valve and the exhalation valve, and meanwhile, the carbon dioxide detection port at the lower portion of the protruding portion is provided with the carbon dioxide detection device to detect the concentration of carbon dioxide in the exhaled air. The utility model can adjust the concentration of the sucked gas according to the requirement, and is convenient and rapid to use; the wearing is comfortable, and the oppressive feeling during wearing can be reduced.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of a novel mask provided by an embodiment of the utility model;

FIG. 2 is another angular profile view of the novel mask of FIG. 1;

FIG. 3 is a bottom view of the novel mask of FIG. 1;

FIG. 4 is a cross-sectional view of the novel mask of FIG. 1;

FIG. 5 is an exploded view of the exhalation valve and connection piece of the novel mask of FIG. 1;

FIG. 6 is a schematic view of a second mounting post according to the present invention;

FIG. 7 is a schematic structural view of a valve cover according to the present invention;

FIG. 8 is a schematic view of the structure of the cushion of FIG. 1;

FIG. 9 is a schematic view of the mounting of a spacing structure in one embodiment of the utility model;

FIG. 10 is a schematic view of the mounting of a stop arrangement according to another embodiment of the utility model;

in the figure: 1-connecting piece, 2-cover body, 3-soft pad, 4-gas inlet, 5-regulating valve, 51-first air hole, 52-valve cover, 520-regulating plate, 521-first mounting column and 522-regulating button; 6-expiratory valve, 61-second breather, 62-baffle plate, 63-second mounting column; 7-a carbon dioxide detection port, 8-a notch, 9-a positioning table, 10-a limiting table, 11-a convex brim, 12-a connecting part, 13-an air inlet pipe, 17-a plane, 18-a platform, 19-a groove and 20-a connecting rib; 21-bulge, 22-internal curling, 23-rubber cushion, 24-connecting column, 25-limiting cone, 26-forked valve and 27-mounting seat; 33-lap joint.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the novel face mask provided by the utility model comprises a connecting piece 1 which can be connected with the head and a mask body 2 for covering the mouth and nose, wherein the edge of the mask body 2 is provided with an elastic cushion 3; the mask comprises a mask body 2 and is characterized in that a protruding portion 21 corresponding to the bridge of the nose is arranged at the upper portion of the middle of the mask body 2, a gas access port 4 capable of being connected with a gas source is arranged at the lower end of the protruding portion 21, an adjusting valve 5 and an exhalation valve 6 are arranged on the side face of the protruding portion 21, and a carbon dioxide detection port 7 capable of being connected with a carbon dioxide detection device is arranged at the lower portion of the mask body 2 and used for detecting the concentration of carbon dioxide in exhaled gas. Wherein, the gas source can be a gas storage bag component, an oxygen tube or an atomizing cup which can be connected with the gas access port. The concentration of the incoming gas is regulated by utilizing a regulating valve, and the exhaled gas can be discharged by utilizing an exhalation valve; the side surface of the mask body can be provided with the regulating valve or the expiratory valve according to actual needs, and the number and the positions of the regulating valve and the expiratory valve can be specifically set according to actual needs

In addition, the carbon dioxide detection device can adopt a carbon dioxide detection tube, the concentration of the exhaled carbon dioxide can be conveniently detected at any time through the carbon dioxide detection tube, and the toxic and harmful effects of body cells caused by possible hypoxemia due to the fact that a patient inhales excessive pure oxygen are prevented.

In an embodiment of the present invention, as shown in fig. 2 and 7, the regulating valve 5 includes a first vent hole 51 and a valve cover 52, the first vent hole 51 is disposed on a side surface of the cover body 2, the valve cover 52 includes a regulating plate 520, a first mounting column 521 disposed inside and outside the regulating plate 520, and a regulating button 522, the regulating plate 520 is fan-shaped and disposed outside the first vent hole 51, a connecting rib 20 for connecting the cover body 2 is disposed in the first vent hole 51, and a mounting hole for inserting the first mounting column 521 is disposed in a middle portion of the connecting rib 20. When the air conditioner is manufactured specifically, the first air holes are 2 fan-shaped hollow air holes, and the adjusting plate can completely cover the two hollow air holes. The adjusting plate can be rotated by pulling the adjusting button, so that the shielding amount of the first air holes can be adjusted.

As a preferable technical solution, as shown in fig. 1, 5 and 6, the exhalation valve 6 includes a second vent 61 and an elastic blocking piece 62, the second vent 61 is disposed on the side surface of the mask body 2, the blocking piece 62 is disposed on the outer side of the second vent 61, and the blocking piece 62 is connected to the mask body 2 through a second mounting post 63; the second air hole 61 is internally provided with a connecting rib 20 used for connecting the cover body 2, and the middle part of the connecting rib 20 is provided with a mounting hole used for inserting a second mounting column 63. When the air bag is manufactured specifically, the second air holes are 4 fan-shaped hollow air holes, and the blocking piece is circular and can completely cover the 4 hollow air holes; the baffle sheet is made of elastic plastic. When the respirator exhales, the baffle plate can be turned outwards under the action of airflow; when the air suction is carried out, the blocking piece covers the second air hole, and the air flow enters the cover body from the adjusting valve.

As a preferable structure, as shown in fig. 4, 6 and 7, a notch 8 is formed in each of the ends of the first mounting column 521 and the second mounting column 63 facing the inside of the cover 2, a positioning table 9 for positioning is formed on each of the outer circular surfaces of the first mounting column 521 and the second mounting column 63, the connecting end of the first mounting column 521 is fixedly connected with the adjusting plate 520, and a limiting table 10 is formed at the other end of the second mounting column 63. Wherein, a positioning table 9 is arranged on the outer circular surface of the first mounting column 521 and can be arranged on the inner side of the cover body 2; as shown in fig. 6, two positioning stages 9 are disposed on the outer circumferential surface of the second mounting post 63 at intervals, the two positioning stages 9 are disposed on the inner and outer sides of the cover body 2, and the blocking piece 62 is disposed between the limiting stage 10 and the middle positioning stage 9. During specific manufacturing, the first mounting column and the second mounting column can be made of rubber materials, can be plugged into the mounting holes in the middle of the air holes in the two sides of the cover body under the action of elasticity by means of the tail end notch, and are firmly positioned by means of the positioning table.

During specific manufacturing, one side of the convex part 21 is provided with an adjusting valve 5, and the other side is provided with an expiratory valve 6; or, the two sides of the convex part 21 are provided with the regulating valve 5 and the expiratory valve 6. No matter how the surface of the mask body is provided with the regulating valve and the expiratory valve, the utility model is within the protection scope of the utility model.

Further optimizing the technical scheme, as shown in fig. 4 and 8, one side of the soft cushion 3 is provided with a lapping part 33 adhered to the inner part of the edge of the cover body 2, and the edge of the soft cushion 3 corresponding to the chin part is provided with a convex eave 11 which is tilted outwards, so that the mask can be suitable for the face sizes of different patients and ensure the fit and sealing; the middle of the soft cushion 3 is provided with a connecting part 12 which inclines outwards, and the connecting part 12 is positioned between the convex eaves 11 and the edge of the cover body 2; the cover body 2 is formed by hard plastics through one-time injection molding, and the soft cushion 3 is fixed at the edge of the cover body 2 through two-time injection molding; the edge of the soft cushion 3 is provided with an inner curled edge 22 which can be well attached to the skin around the mouth and nose parts; and small openings are arranged at intervals on the inner curled edge, so that the sealing performance between the soft cushion and the face is ensured when the head moves.

The cover body is made of hard plastics, has certain strength and rigidity, and is not easy to deform when being worn. Meanwhile, the soft cushion contacted with the face of the patient has elasticity, and is connected with the cover body into a whole through secondary injection molding, and the connecting firmness can be enhanced by the lap joint part; the periphery of the connecting part can increase the variable elasticity, and the oppression feeling during wearing is reduced.

Further optimizing the technical scheme, as shown in fig. 1-4, the convex part 21 of the mask body 2 is provided with a concave pit or a plane 17 corresponding to the middle part of the bridge of the nose, so that the hand can press conveniently; the part of the convex part 21 corresponding to the nose tip and the platform 18 of the corresponding mouth part of the mask body are in arc transition; the lower part of the platform 18 is provided with a groove 19 which is used for matching with a hand and being supported by the hand when the hand-held clothes are worn. Wherein, the specific shape of the outline of the concave pit, the platform and the groove can be designed according to the requirement.

In order to improve the versatility of the product, as shown in fig. 1-3, the gas inlet 4 is connected to the gas inlet pipe 13, the inlet direction of the gas inlet pipe 13 is designed according to actual needs, and can be towards the upper side, the lower side or the side, and the inner hole of the gas inlet pipe 13 can be a standard taper hole (with a large outer part and a small inner part) of 15mm, or the outer wall of the gas inlet pipe 13 is an outer taper hole (with a small outer part and a large inner part) of 22 mm. By adopting the structure, the air inlet pipe 13 can be connected with air source outlet pipe connectors of different specifications.

During specific manufacturing, as shown in fig. 1-3 and 5, the connecting piece 1 is a head-wearing ring, mounting holes for fixing the head-wearing ring are arranged on two sides of the cover body 2 and the cushion 3, and connecting columns 24 which can be in interference fit with the mounting holes are arranged at two ends of the head-wearing ring. The structure is convenient to mount and dismount, and the use is simple and rapid. During specific manufacturing, the connecting column is made of hard materials, the mounting seats 27 connected with the head-wearing ring can be arranged on the two sides of the cover body, the rubber pads 23 are arranged at the tops of the mounting seats 27, and the connecting column and the cover body are firmly fixed through friction force between the rubber pads 23 and the connecting column 24.

Further optimizing above-mentioned technical scheme, be equipped with on the spliced pole 20 with mounting hole complex limit structure, as shown in fig. 9, limit structure is for setting up in the spacing awl 25 of toper of spliced pole 24 lower extreme, and the lower extreme diameter of spacing awl 25 is greater than the internal diameter of mounting hole on the cushion 23 and unanimous with the mounting hole internal diameter on the mount pad 27, and the mounting hole internal diameter slightly is greater than the mounting hole internal diameter on the cushion 23 on the mount pad 27, and the spliced pole 24 that conveniently has spacing awl 25 passes. After the connecting column sequentially penetrates through the mounting holes in the mounting base and the rubber pad, the connecting column is supported on the rubber pad under the action of the limiting cone, and meanwhile, the head wearing ring is fixed by means of friction force between the connecting column and the rubber pad.

In another embodiment, as shown in fig. 10, the limiting structure may also be a flared forked section 26 disposed at the lower end of the connecting column 24, and a plurality of forked sections 26 can be supported on the mounting seats 27 at both sides of the cover body 2 in an expanding manner to ensure that the head-mounted ring is firmly fixed to the cover body 2. After the connecting column is inserted into the mounting hole, the bifurcate petals are automatically separated from the restraint of the mounting hole, and the opened elastic bifurcate petals are supported on the rubber pad and the mounting seat, so that the head wearing ring is firmly fixed on the head.

In the description above, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and thus the present invention is not limited to the specific embodiments disclosed above.

Claims

1. A novel mask is characterized in that: the mask comprises a connecting piece which can be connected with the head and a mask body which is used for covering the mouth and the nose, wherein the edge of the mask body is provided with an elastic soft pad; the mask comprises a mask body and is characterized in that a protruding portion corresponding to the bridge of the nose is arranged at the upper portion of the middle of the mask body, a gas access port capable of being connected with a gas source is arranged at the lower end of the protruding portion, an adjusting valve and/or an exhalation valve are/is arranged on the side face of the protruding portion, and a carbon dioxide detection port capable of being connected with a carbon dioxide detection device is arranged at the lower portion of the mask body and is used for detecting the concentration of carbon dioxide in exhaled gas.

2. The novel face mask according to claim 1, characterized in that: the utility model discloses a cover body, including the regulating plate, the regulating plate is used for the first erection column of cartridge, the regulating plate is used for the first mounting column of cartridge, the regulating plate is used for the fan-shaped, be equipped with the splice bar that is used for the connecting cover body in the first bleeder vent, the middle part of splice bar is equipped with the mounting hole that is used for the first erection column of cartridge.

3. The novel mask as claimed in claim 2, wherein: the expiratory valve comprises a second air hole and an elastic baffle piece, the second air hole is formed in the side face of the cover body, the baffle piece is arranged on the outer side of the second air hole, and the baffle piece is connected with the cover body through a second mounting column; and a connecting rib used for connecting the cover body is arranged in the second air hole, and a mounting hole used for inserting the second mounting column is formed in the middle of the connecting rib.

4. The novel face mask according to claim 3, characterized in that: first erection column and second erection column all are equipped with the opening towards the one end of the internal portion of cover, all be equipped with the location platform that is used for the location on the outer disc of first erection column and second erection column, the link end and the regulating plate of first erection column link firmly, the other end of second erection column is equipped with spacing platform.

5. The novel face mask according to claim 4, characterized in that: the outer circle surface of the first mounting column is provided with a positioning table and can be arranged on the inner side of the cover body; two positioning tables are arranged on the outer circular surface of the second mounting column at intervals, the two positioning tables are arranged on the inner side and the outer side of the cover body, and the blocking piece is arranged between the limiting table and the middle positioning table.

6. The novel face mask according to claim 1, characterized in that: one side of the convex part is provided with an adjusting valve, and the other side of the convex part is provided with an expiratory valve; or both sides of the convex part are provided with the regulating valve and the expiratory valve.

7. The novel face mask according to claim 1, characterized in that: one side of the soft cushion is provided with a lap joint part adhered to the inner part of the edge of the cover body, and the edge of the soft cushion corresponding to the chin part is provided with a convex brim which is tilted outwards; the middle of the soft cushion is provided with a connecting part which inclines outwards and is positioned between the convex brim and the edge of the cover body; the cover body is injection moulding once by rigid plastic, the cushion is fixed in the edge of the cover body through secondary injection moulding.

8. The novel face mask according to claim 1, characterized in that: the gas access port is connected with the gas inlet pipe, the inlet of the gas inlet pipe faces the upper part, the lower part or the side surface, the inner hole of the gas inlet pipe is a taper hole with a large outer part and a small inner part, or the outer wall of the gas inlet pipe is an outer taper with a small outer part and a large inner part.

9. The novel face mask according to claim 1, characterized in that: a concave pit or a plane is arranged at the middle part of the nose bridge corresponding to the bulge of the mask body, the part of the bulge corresponding to the nose tip and the platform of the corresponding mouth part of the mask body are in arc transition, and an inner curled edge is arranged at the edge of the soft pad; the lower part of the platform is provided with a groove used for being matched with a hand.

10. The novel face mask according to claim 1, characterized in that: the connecting piece is for wearing the ring, the both sides of the cover body and cushion are equipped with and are used for fixed head to wear the mounting hole of ring, the both ends that the ring was worn to the head are equipped with can with mounting hole interference fit's spliced pole.