CN220899344U

CN220899344U - Respiratory protection mask

Info

Publication number: CN220899344U
Application number: CN202322734170.XU
Authority: CN
Inventors: 付红艳; 张剑锋
Original assignee: Qinhuangdao Second Hospital
Current assignee: Qinhuangdao Second Hospital
Priority date: 2023-10-12
Filing date: 2023-10-12
Publication date: 2024-05-07
Anticipated expiration: 2033-10-12

Abstract

The utility model relates to the technical field of protective masks, in particular to a respiratory protective mask, which comprises a mask body and a respiratory air valve, wherein the right side of the mask body is fixedly connected with a vent pipe, the upper end of the respiratory air valve is fixedly provided with a connecting pipe, the upper side of the respiratory air valve is provided with a fixing mechanism, the respiratory air valve is arranged on the lower side of the vent pipe through the fixing mechanism, the connecting pipe is inserted into the vent pipe, a sealing cover is movably arranged in the vent pipe, a rebound mechanism for controlling the sealing cover is arranged in the vent pipe, the left side of the sealing cover is fixedly connected with a drawing rope, and the vent pipe is internally provided with a sealing groove. According to the utility model, through the arranged sealing cover capable of rapidly rebounding, when the breathing air valve is unscrewed, taken down and replaced, the rebound mechanism controls the sealing cover to rapidly rebound, the ventilation pipe is sealed, and the possibility that a patient continues breathing after the breathing air valve is taken down is greatly reduced, so that bacteria are inhaled.

Description

Respiratory protection mask

Technical Field

The utility model relates to the technical field of protective masks, in particular to a respiratory protective mask.

Background

The respiratory mask is mainly used for preventing infection in the face of an infection source, germs mainly exist inside a respiratory air valve, if the respiratory mask is used in a short time, germs can be filtered and blocked by the air valve, if the respiratory mask is used for a long time, the protection effect of the air valve can be reduced, germs possibly enter a respiratory tract through an oral cavity and a nasal cavity, so that the mask needs to be replaced in time, the economic loss is increased, part of the respiratory mask can be replaced by the air valve, the ventilation pipe of the mask is naked and leaked in the air in the process of replacing the air valve, and the germs are inhaled easily because of the breathing of a user, so that the infection is caused, and therefore, the respiratory mask is provided to solve the problems.

Disclosure of utility model

The utility model aims to provide a respiratory mask, which aims to solve the problems that part of the respiratory mask proposed in the background art can be replaced by an air valve, and in the process of replacing the air valve, a ventilation pipe of the mask is exposed in the air, so that bacteria are easily inhaled by a user due to respiration, and infection is caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a respiratory protection face guard, includes face guard body and breather valve, the right side fixedly connected with breather pipe of face guard body, the upper end fixed mounting of breather valve has the connecting pipe, the upside of breather valve is provided with fixed establishment, the breather valve passes through fixed establishment and installs the downside at the breather pipe, the connecting pipe is inserted and is established in the breather pipe, movable mounting has sealed lid in the breather pipe, be provided with the rebound mechanism that is used for controlling sealed lid in the breather pipe, the left side fixedly connected with pull rope of sealed lid, seted up the seal groove in the breather pipe, sealed lid and seal groove looks adaptation, the lower extreme fixedly connected with pull ring of pull rope.

Preferably, the rebound mechanism comprises two groups of guide rods, the two groups of guide rods are respectively and fixedly arranged on the front side and the rear side of the sealing cover, two groups of guide grooves are formed in the lower side of the vent pipe, the two groups of guide rods are respectively arranged at the right side openings of the two groups of guide grooves, springs are arranged in the guide grooves, and the left end and the right end of each spring are respectively propped against the left end of each guide groove and the left end of each guide rod.

Preferably, the fixing mechanism comprises a screw sleeve, the screw sleeve is fixedly arranged on the upper side of the breathing valve, a thread groove matched with the screw sleeve is formed in the lower side of the breathing pipe, and the screw sleeve is arranged on the lower side of the thread groove through threads.

Preferably, a fixed pulley is arranged at the lower side of the vent pipe, the pull rope is matched with the fixed pulley, and the pull rope is arranged on the fixed pulley.

Preferably, a bottom cover is fixedly arranged at the opening of the lower end of the vent pipe, and the inner diameter of the bottom cover increases gradually from top to bottom.

Preferably, the outer diameter of the upper side of the connecting pipe is gradually increased from top to bottom, and the outer diameter of the connecting pipe is matched with the inner diameter of the lower side of the vent pipe.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the arranged sealing cover capable of rapidly rebounding, when the breathing air valve is unscrewed, removed and replaced, the rebound mechanism controls the sealing cover to rapidly rebond, so that the ventilation pipe is sealed, and the possibility that a patient continues breathing after the breathing air valve is removed is greatly reduced, so that bacteria are inhaled; when the breathing air valve is installed, the horn-shaped bottom cover can be used for conveniently and rapidly carrying out blind insertion on the breathing air valve and the connecting pipe; the pull ring is pulled downwards, so that the sealing cover can be moved away from the air port of the vent pipe, and the operation is convenient and quick and is simple.

Description of the drawings:

in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the vent pipe, seal groove and thread groove of the present utility model;

FIG. 4 is a schematic cross-sectional view of the vent pipe and guide slot of the present utility model;

fig. 5 is a schematic cross-sectional view of a vent pipe according to the present utility model.

In the figure: 1. a mask body; 2. a vent pipe; 3. sealing cover; 4. pulling a rope; 5. sealing grooves; 6. a fixed pulley; 7. a pull ring; 8. a guide rod; 9. a guide groove; 10. a spring; 11. a thread groove; 12. a screw sleeve; 13. a respiratory gas valve; 14. a connecting pipe; 15. and a bottom cover.

The specific embodiment is as follows:

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: a respiratory protection mask comprising a mask body 1 and a respiratory gas valve 13, characterized in that: the right side fixedly connected with breather pipe 2 of face guard body 1, the upper end fixed mounting of breather valve 13 has connecting pipe 14, the upside of breather valve 13 is provided with fixed establishment, breather valve 13 passes through fixed establishment and installs the downside at breather pipe 2, connecting pipe 14 inserts and establish in breather pipe 2, movable mounting has sealed lid 3 in the breather pipe 2, be provided with the rebound mechanism that is used for controlling sealed lid 3 in the breather pipe 2, the left side fixedly connected with pull rope 4 of sealed lid 3, seal groove 5 has been seted up in the breather pipe 2, sealed lid 3 and seal groove 5 looks adaptation, the lower extreme fixedly connected with pull ring 7 of pull rope 4.

Further, the rebound mechanism comprises two groups of guide rods 8, the guide rods 8 are provided with two groups of guide rods 8, the two groups of guide rods 8 are respectively fixedly installed on the front side and the rear side of the sealing cover 3, two groups of guide grooves 9 are formed in the lower side of the ventilation pipe 2, the two groups of guide rods 8 are respectively installed at the right side openings of the two groups of guide grooves 9, springs 10 are arranged in the guide grooves 9, the left end and the right end of each spring 10 are respectively abutted against the left end of each guide groove 9 and the left end of each guide rod 8, and the structure is used for controlling the sealing cover 3 to rebound rapidly into the sealing groove 5 to seal the ventilation pipe 2 when the breathing air valve 13 is detached as shown in fig. 3 and 4.

Further, the fixing mechanism comprises a threaded sleeve 12, the threaded sleeve 12 is fixedly arranged on the upper side of the breathing air valve 13, a thread groove 11 matched with the threaded sleeve 12 is formed in the lower side of the ventilation pipe 2, the threaded sleeve 12 is arranged on the lower side of the thread groove 11 through threads, and as shown in fig. 3, the structure is used for achieving disassembly, assembly and replacement of the breathing air valve 13.

Further, fixed pulley 6 is installed to breather pipe 2's downside, and pull rope 4 and fixed pulley 6 looks adaptation, and pull rope 4 installs on fixed pulley 6, and as shown in fig. 3, this structure is used for making the removal of pull rope 4 more smooth and easy steady to improve sealed lid 3 switching's stability.

Further, the bottom cover 15 is fixedly arranged at the opening of the lower end of the ventilation pipe 2, the inner diameter of the bottom cover 15 increases gradually from top to bottom, as shown in fig. 1 and 3, the structure is convenient for blind insertion of the breathing air valve 13, and the speed and fluency of insertion and installation of the breathing air valve 13 are improved.

Further, the outer diameter of the upper side of the connecting pipe 14 increases gradually from top to bottom, the outer diameter of the connecting pipe 14 is adapted to the inner diameter of the lower side of the vent pipe 2, as shown in fig. 3, the outer diameter of the connecting pipe 14 increasing gradually from top to bottom is used for improving the smoothness when the connecting pipe 14 is inserted into the vent pipe 2, and the inner diameter and the outer diameter of the vent pipe 2 and the connecting pipe 14 are adapted to improve the sealing protection.

Working principle: when the mask body 1 is worn on the face, when the breathing air valve 13 is arranged on the breathing pipe 2, the sealing cover 3 and the connecting pipe 14 are in a state shown in fig. 5, the sealing cover 3 is propped against the outer wall of the connecting pipe 14, the spring 10 is propped against the guide rod 8 to be in a compressed state, when the breathing air valve 13 needs to be replaced, the breathing air valve 13 is rotated, the threaded sleeve 12 is driven to rotate, the threaded sleeve 12 is separated from the threaded groove 11, the connecting pipe 14 is driven to move downwards to be separated from the interference with the sealing cover 3, the guide rod 8 is rapidly pushed by the resilience force of the spring 10, the sealing cover 3 is driven to rapidly move into the sealing groove 5, the breathing pipe 2 is rapidly sealed, and unfiltered air is prevented from being directly inhaled by a user when the breathing air valve 13 is completely pulled out; when a new breathing air valve 13 is required to be installed on the breathing pipe 2, a connecting pipe 14 is inserted into the breathing pipe 2, the breathing air valve 13 is screwed to drive a threaded sleeve 12 to rotate, the threaded sleeve 12 is installed in a threaded groove 11 under the action of threads, when the upper end of the connecting pipe 14 abuts against the sealing cover 3, a pull ring 7 is pulled to drive a pull rope 4 to move, the sealing cover 3 is driven to move, the sealing cover 3 leaves an air inlet channel of the breathing pipe 2, and then the breathing air valve 13 is continuously rotated, so that the threaded sleeve 12 is completely screwed into the threaded groove 11.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Respiratory protection mask, comprising a mask body (1) and a respiratory gas valve (13), characterized in that: the novel mask is characterized in that the right side of the mask body (1) is fixedly connected with a vent pipe (2), the upper end of the breathing air valve (13) is fixedly connected with a connecting pipe (14), the upper side of the breathing air valve (13) is provided with a fixing mechanism, the breathing air valve (13) is installed on the lower side of the vent pipe (2) through the fixing mechanism, the connecting pipe (14) is inserted into the vent pipe (2), a sealing cover (3) is movably installed in the vent pipe (2), a rebound mechanism for controlling the sealing cover (3) is arranged in the vent pipe (2), the left side of the sealing cover (3) is fixedly connected with a drawing rope (4), a sealing groove (5) is formed in the vent pipe (2), the sealing cover (3) is matched with the sealing groove (5), and the lower end of the drawing rope (4) is fixedly connected with a pull ring (7).

2. A respiratory mask as claimed in claim 1, wherein: the spring-back mechanism comprises guide rods (8), wherein two groups of guide rods (8) are arranged in total, the two groups of guide rods (8) are fixedly arranged on the front side and the rear side of the sealing cover (3) respectively, two groups of guide grooves (9) are formed in the lower side of the vent pipe (2), the two groups of guide rods (8) are arranged at the right side openings of the two groups of guide grooves (9) respectively, springs (10) are arranged in the guide grooves (9), and the left end and the right end of each spring (10) are propped against the left end of each guide groove (9) and the left end of each guide rod (8) respectively.

3. A respiratory mask as claimed in claim 1, wherein: the fixing mechanism comprises a screw sleeve (12), the screw sleeve (12) is fixedly arranged on the upper side of the breathing air valve (13), a thread groove (11) matched with the screw sleeve (12) is formed in the lower side of the ventilation pipe (2), and the screw sleeve (12) is arranged on the lower side of the thread groove (11) through threads.

4. A respiratory mask as claimed in claim 1, wherein: the fixed pulley (6) is installed at the downside of breather pipe (2), pull rope (4) with fixed pulley (6) looks adaptation, pull rope (4) are installed on fixed pulley (6).

5. A respiratory mask as claimed in claim 1, wherein: a bottom cover (15) is fixedly arranged at the opening of the lower end of the vent pipe (2), and the inner diameter of the bottom cover (15) increases from top to bottom.

6. A respiratory mask as claimed in claim 1, wherein: the outer diameter of the upper side of the connecting pipe (14) is gradually increased from top to bottom, and the outer diameter of the connecting pipe (14) is matched with the inner diameter of the lower side of the vent pipe (2).