CN216222674U

CN216222674U - Positive pressure oxygen respirator breathes storehouse

Info

Publication number: CN216222674U
Application number: CN202122934854.5U
Authority: CN
Inventors: 门雪琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-08
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a positive pressure oxygen respirator breathing chamber which comprises a respirator main body, wherein one side of the top of the respirator main body is connected with a chamber cover, one side of the outside of the respirator main body is provided with a mounting groove, one side of the mounting groove is provided with a groove, an eye window is arranged inside the mounting groove, a mounting frame is arranged inside the mounting groove and at the top of the eye window, brackets are vertically arranged on two sides of the mounting frame, a first sliding groove is formed inside each pair of brackets, a push plate is sleeved outside a moving rod, springs are sleeved on two ends of the push plate, one end of each spring penetrates through the mounting frame and is mutually connected with the inner wall of the mounting groove, a second sliding groove is arranged on one side of the mounting groove, and one end of the moving rod penetrates through the second sliding groove and is connected with a handle. The utility model has the advantages of simple and reasonable structure, novel design, simple and convenient operation, effective scraping of impurities on the visual window, improvement of the visibility of a user and higher practical value.

Description

Positive pressure oxygen respirator breathes storehouse

Technical Field

The utility model relates to the technical field of respirators, in particular to a positive pressure oxygen respirator breathing bin.

Background

The chamber type positive pressure oxygen respirator has the advantages of light overall weight, compact structure, high safety, good protective performance, comfortable wearing, simple operation, small maintenance amount, low price and the like, and is human body protective equipment which is necessary for mine rescue workers, fire-fighting special-duty fighters and special engineering technicians to carry out emergency rescue work under severe environments such as severe pollution, uncertain toxic gas types or oxygen deficiency. The current chamber type positive pressure oxygen respirator is a closed circulation system, the internal pressure is greater than the external atmospheric pressure, toxic gas in the environment can be prevented from entering a mask and damaging the human body, and meanwhile, when the chamber type positive pressure oxygen respirator is worn, the sight of a user is influenced by the fact that smoke in the environment and impurities floating in the air are adhered to a visual window. Therefore, we improve the above and propose a positive pressure oxygen respirator breathing chamber.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a positive pressure oxygen respirator breathing chamber which comprises a respirator main body, wherein a chamber cover is connected to one side of the top of the respirator main body, a mounting groove is formed in one side of the outside of the respirator main body, a groove is formed in one side of the mounting groove, an eye window is formed in the mounting groove, a mounting frame is mounted at the top of the eye window in the mounting groove, supports are vertically mounted on two sides of the mounting frame, first sliding grooves are formed in the supports, a moving rod is connected between the first sliding grooves in a sliding mode, a push plate is sleeved on the outside of the moving rod, springs are sleeved at two ends of the push plate, one end of each spring penetrates through the mounting frame and is connected with the inner wall of the mounting groove, a second sliding groove is formed in one side of the mounting groove, and one end of the moving rod penetrates through the second sliding groove and is connected with a pull handle.

As a preferable technical scheme of the utility model, the breathing chamber is arranged inside the respirator main body, and the respirator main body is provided with a plurality of sound transmission holes at the outer part close to the breathing chamber.

As a preferable technical scheme of the utility model, both sides of the respirator main body are connected with a first hat band and a second hat band, one ends of the first hat band and the second hat band are respectively sleeved with an adjusting buckle, one side of each pair of adjusting buckles is connected with an adjusting band, and the pair of adjusting bands are respectively connected with the first hat band and the second hat band.

According to a preferable technical scheme of the utility model, the bottom of the respirator body is connected with a neck sleeve, a cavity is arranged inside the neck sleeve, a pulling rope is arranged in the cavity, and two ends of the pulling rope penetrate through the neck sleeve and extend to the outside.

According to a preferable technical scheme of the utility model, through holes are formed in the outer part of the respirator body and on two sides of the exhaust valve, a filter tank is connected with the through holes through external threads, and a filter screen is arranged in the filter tank.

The utility model has the beneficial effects that:

1. the positive pressure oxygen respirator breathing chamber can be used by matching the chamber cover with the breathing chamber, a user can conveniently wear the respirator main body, the breathing chamber and the exhaust valve form a closed circulation system to prevent toxic gas in the environment from entering a mask and damaging the human body, the chamber type positive pressure oxygen respirator combines the breathing chamber and the filter tank into a whole, the wearing is more convenient, meanwhile, the breathing and the inhaled gas of the user can be directly filtered, the harmful gas exhaled by the human body can be exhausted by the arrangement of the filter tank and the exhaust valve, meanwhile, the inhaled gas is filtered in the filter tank, harmful substances are prevented from being remained in the gas, the health of the human body is damaged, the first cap band, the second cap band, the neck sleeve and the pull rope are matched for use, the breathing chamber type positive pressure oxygen respirator breathing chamber can be worn by people with different head circumferences, the length of the first cap band and the second cap band can be lengthened by shortening the adjusting band, the lengths of the first hat band and the second hat band can be shortened by pulling the adjusting band;

2. according to the positive pressure oxygen respirator breathing chamber, the first sliding groove, the spring, the moving rod, the push plate and the handle are matched for use, when dust or impurities are stained outside the eye window, the handle is pulled to enable the push plate to move downwards in the first sliding groove, the dust on one side of the eye window is scraped, after scraping is completed, the handle is loosened, the spring drives the push plate to rise backwards, the worker can conveniently continue to use the breathing chamber next time, and the visibility of the user in a severe environment is improved; the utility model has the advantages of simple and reasonable structure, novel design, simple and convenient operation, effective scraping of impurities on the visual window, improvement of the visibility of a user and higher practical value.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic plan view of a positive pressure oxygen respirator breathing chamber of the present invention;

FIG. 2 is a schematic cross-sectional front view of an installation slot of a breathing chamber of a positive pressure oxygen respirator of the present invention;

FIG. 3 is a schematic side cross-sectional view of an installation slot of a breathing chamber of a positive pressure oxygen respirator of the present invention;

FIG. 4 is a schematic view of the back of a breathing chamber of a positive pressure oxygen respirator of the present invention;

fig. 5 is an enlarged schematic view of the structure a of fig. 2 of a positive pressure oxygen respirator breathing chamber of the present invention.

In the figure: 1. a respirator body; 2. a bin cover; 3. mounting grooves; 4. an eye window; 5. a mounting frame; 6. a support; 7. a first chute; 8. a spring; 9. a groove; 10. a travel bar; 11. pushing the plate; 12. a handle; 13. an exhaust valve; 14. a second chute; 15. a filter tank; 16. a neck sleeve; 17. pulling a rope; 18. a breathing chamber; 19. a sound transmission hole; 20. a first hat band; 21. a second hat band; 22. adjusting buckles; 23. an adjustment belt.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in figures 1-5, the breathing chamber of the positive pressure oxygen respirator comprises a respirator body 1, a chamber cover 2 is connected to one side of the top of the respirator body 1, a mounting groove 3 is formed in one side of the outside of the respirator body 1, a groove 9 is formed in one side of the mounting groove 3, an eye window 4 is formed in the mounting groove 3, a mounting frame 5 is mounted in the mounting groove 3 at the top of the eye window 4, brackets 6 are vertically mounted on two sides of the mounting frame 5, a first sliding groove 7 is formed in each of a pair of brackets 6, a moving rod 10 is slidably connected between the first sliding grooves 7, a push plate 11 is sleeved on the outside of the moving rod 10, springs 8 are sleeved on two ends of the push plate 11, one end of each spring 8 penetrates through the mounting frame 5 and is connected with the inner wall of the mounting groove 3, a second sliding groove 14 is formed in one side of the mounting groove 3, one end of the moving rod 10 penetrates the second sliding groove 14 and is connected with a handle 12.

The breathing chamber 18 is arranged in the respirator body 1, the plurality of sound transmission holes 19 are formed in the outer portion, close to the breathing chamber 18, of the respirator body 1, and the sound transmission holes 19 are formed, so that message transmission among users is facilitated.

The respirator comprises a respirator body 1 and is characterized in that two sides of the respirator body 1 are both connected with a first hat band 20 and a second hat band 21, one ends of the first hat band 20 and the second hat band 21 are both sleeved with adjusting buckles 22, one side of each pair of adjusting buckles 22 is connected with an adjusting band 23, and the adjusting bands 23 are connected with the first hat band 20 and the second hat band 21 respectively.

Wherein, the bottom of respirator body 1 is connected with neck cover 16, just the inside of neck cover 16 is equipped with the cavity, be equipped with in the cavity and take out stay cord 17, just take out both ends of stay cord 17 and all run through neck cover 16 to extend to the outside.

Wherein, the outside of respirator body 1 is equipped with the through-hole in the both sides of discharge valve 13, just through-hole external screw thread connection has filter tank 15, just the inside of filter tank 15 is equipped with the filter screen, through being equipped with filter tank 15, filters inspiratory gas in filter tank 15, prevents to remain harmful substance in the gas.

The working principle is as follows: when the respirator is used, the lengths of the first cap band 20 and the second cap band 21 can be lengthened by shortening the adjusting band 23, the lengths of the first cap band 20 and the second cap band 21 can be shortened by pulling the adjusting band 23, the respirator can be adjusted according to the head circumference of different users, after the upper respirator main body 1 is taken by opening the bin cover 2, the pulling rope 17 is pulled to tighten the neck cover 16 to prevent harmful substances from entering the respirator main body 1 to damage the health of the human body, the breathing bin 18 and the exhaust valve 13 form a closed circulating system to prevent toxic gas from entering the breathing bin 18, and meanwhile, when the respirator is worn in an environment with excessive smoke or dust and impurities, impurities or dust is adhered to the eye window 4 to influence the visibility of workers, the handle 12 is pulled downwards to move downwards in the second sliding chute 14 to drive the push plate 11 to move downwards to scrape the surface of the eye window 4, strike off the completion back, the user loosens handle 12, spring 8's elasticity is the push pedal 11 normal position of pulling back, the person of facilitating the use continues to use next time, the effectual sight visibility that has improved the user under adverse circumstances, through the setting of filtering jar 15 and discharge valve 13, can discharge the harmful gas of human exhalation, filter inhalant gas in filtering jar 15 simultaneously, prevent to remain harmful substance in the gas, produce the harm to human health.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The positive-pressure oxygen respirator breathing chamber comprises a respirator main body (1) and is characterized in that a chamber cover (2) is connected to one side of the top of the respirator main body (1), a mounting groove (3) is arranged on one side of the outside of the respirator main body (1), a groove (9) is formed in one side of the mounting groove (3), an eye window (4) is arranged in the mounting groove (3), a mounting frame (5) is mounted in the mounting groove (3) at the top of the eye window (4), supports (6) are vertically mounted on two sides of the mounting frame (5), first sliding grooves (7) are formed in the pair of supports (6), a moving rod (10) is connected between the first sliding grooves (7) in a sliding mode, a push plate (11) is sleeved on the outside of the moving rod (10), and springs (8) are sleeved on two ends of the push plate (11), the one end of spring (8) runs through mounting bracket (5) to with the inner wall interconnect of mounting groove (3), one side of mounting groove (3) is equipped with second spout (14), second spout (14) are run through to the one end of carriage release lever (10) to be connected with handle (12).

2. A breathing chamber of a positive pressure oxygen respirator according to claim 1, characterized in that the respirator body (1) is provided with a breathing chamber (18) inside, and the respirator body (1) is provided with a plurality of sound transmission holes (19) near the outside of the breathing chamber (18).

3. The breathing chamber of the positive pressure oxygen respirator as claimed in claim 1, wherein the respirator body (1) is connected with a first hat band (20) and a second hat band (21) on both sides, one end of each of the first hat band (20) and the second hat band (21) is sleeved with an adjusting buckle (22), one side of each of a pair of the adjusting buckles (22) is connected with an adjusting band (23), and the pair of the adjusting bands (23) are respectively connected with the first hat band (20) and the second hat band (21).

4. The breathing chamber of the positive pressure oxygen respirator according to claim 1, wherein the bottom of the respirator body (1) is connected with a neck cover (16), a cavity is arranged inside the neck cover (16), a pulling rope (17) is arranged in the cavity, and both ends of the pulling rope (17) penetrate through the neck cover (16) and extend to the outside.

5. The breathing chamber of the positive pressure oxygen respirator of claim 1, wherein the respirator body (1) is provided with through holes at two sides of the exhaust valve (13) at the outside, the through holes are connected with a filtering tank (15) through external threads, and a filtering net is arranged inside the filtering tank (15).