CN215426724U

CN215426724U - Integrated positive and negative pressure respirator

Info

Publication number: CN215426724U
Application number: CN202120949984.3U
Authority: CN
Inventors: 刘江
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-01-07
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses an integrated positive and negative pressure respirator, which comprises: the flexible corrugated cavity is provided with an outward convex opening at the bottom, the spring is contained in the flexible corrugated cavity, the diameter of the spring is larger than that of the opening, and the bottom end of the spring is abutted against the bottom of the flexible corrugated cavity; the face guard connector is hollow structure, is provided with air inlet check valve and exhaust check valve on the face guard connector, and the one end of face guard connector can be dismantled with the opening of flexible ripple form cavity and be connected, and the other end is connected with respirator. The respirator is convenient to operate, has ventilation and suction functions, can suck out foreign matters in the air passage to ensure the smoothness of the air passage, and is small in size, light in weight and convenient to carry after being compressed and stored.

Description

Integrated positive and negative pressure respirator

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an integrated positive and negative pressure respirator.

Background

The simple and easy respirator that uses now needs the installation, and the volume is great, can only be operated by professional medical personnel, generally needs two people to operate moreover, is unsuitable extensive general crowd to use, and simple and easy respirator can only carry out the assisted respiration effect, carries out the negative pressure suction when can no longer the patient has the foreign matter to block up the air flue with the foreign matter suction, needs have other suction device again. Therefore, how to provide an integral type positive negative pressure respirator, reach breathe and attract foreign matter in an organic whole, and one person's operation can reach two functions, simple structure, and collection is small, satisfies public place, family emergency use, is the problem that the skilled person in the art needs a urgent need to solve.

SUMMERY OF THE UTILITY MODEL

The utility model provides an integrated positive-negative pressure respirator, which aims to solve at least one of the technical problems in the prior art to a certain extent.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an integrated positive and negative pressure respirator that comprises:

a flexible corrugated cavity having a bottom with an outwardly convex opening;

the spring is accommodated in the flexible corrugated cavity, the diameter of the spring is larger than that of the opening, and the bottom end of the spring is abutted against the bottom of the flexible corrugated cavity;

the mask connecting body is of a hollow structure, an air inlet one-way valve and an air exhaust one-way valve are arranged on the mask connecting body, one end of the mask connecting body is detachably connected with the opening of the flexible corrugated cavity, and the other end of the mask connecting body is connected with a breathing mask.

Furthermore, the face guard connector is including first cavity and the second cavity that is linked together, first cavity with the second cavity is arranged with the axle center, install the lateral wall of first cavity the check valve of admitting air and exhaust check valve, just all be equipped with the valve gap on the check valve of admitting air and the check valve of exhaust.

Further, an external thread is arranged at the opening of the flexible corrugated cavity, and an internal thread matched with the top of the first cavity is arranged at the top of the first cavity.

Furthermore, an oxygen interface and a sealing cover are arranged at the top of the flexible corrugated cavity.

Furthermore, the breathing mask is an inflatable bag body, and the mask naturally clings to the face under the action of pressure during ventilation operation, so that the sealing effect is improved, and the comfort is improved.

Further, still include the scale clamp that admits air, the scale clamp inlays to be established the flexible ripple form cavity is outside admitting air.

According to the technical scheme, compared with the prior art, the integrated manual positive and negative pressure respirator is convenient to operate, a mask only needs to be placed on the head of a human body, the mask naturally clings to the face under the action of pressure during ventilation operation, ventilation and suction functions are achieved, foreign matters in an air passage can be sucked out to ensure the air passage to be smooth, and meanwhile, the respirator is small in size, light in weight and convenient to carry after being compressed and stored.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is an exploded view of the structure of the present invention.

FIG. 2 is a schematic view of the pressing state of the present invention.

FIG. 3 is a diagram showing the effect of the air intake scale clamp of the present invention

Wherein:

1-a flexible corrugated cavity; 2-a spring; 3-air inlet one-way valve; 4-exhaust check valve; 5-a breathing mask; 6-a first cavity; 7-a second cavity; 8-oxygen interface; 9-air inlet scale clamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The embodiment of the utility model discloses an integrated positive-negative pressure respirator, which is shown in figures 1-2 and comprises: the mask comprises a flexible corrugated cavity 1, a spring 2 and a mask connector, wherein the bottom of the flexible corrugated cavity 1 is provided with a convex opening, the spring 2 is accommodated in the flexible corrugated cavity 1, the diameter of the spring 2 is larger than that of the opening, and the bottom end of the spring 2 is abutted to the bottom of the flexible corrugated cavity 1; the face guard connector is hollow structure, is provided with air inlet check valve 3 and exhaust check valve 4 on the face guard connector, and the one end of face guard connector can be dismantled with the opening of flexible ripple form cavity 1 and be connected, and the other end is connected with respirator 5.

Advantageously, the breathing mask 5 is made of an inflatable bag body, and the mask naturally clings to the face under the action of pressure during ventilation operation, so that the sealing effect is improved, and the comfort is improved.

Specifically, the face guard connector is including first cavity 6 and the second cavity 7 that is linked together, and first cavity 6 arranges with the second cavity 7 is coaxial, and the check valve 3 that admits air and exhaust check valve 4 are installed to the lateral wall of first cavity 6, and all are equipped with the valve gap on the check valve 3 that admits air and the check valve 4 that exhausts.

In order to further optimize the technical scheme, an opening of the flexible corrugated cavity 1 is provided with an external thread, and the top of the first cavity 6 is provided with an internal thread matched with the first cavity; can be detachably connected through screw threads.

In order to further optimize the technical scheme, the top of the flexible corrugated cavity 1 is provided with an oxygen interface 8 and a sealing cover, and the oxygen interface and the sealing cover are matched with the external oxygen to increase the concentration of oxygen and improve the using effect.

As shown in fig. 3, the flexible corrugated cavity further comprises an air inlet scale clamp, wherein the air inlet scale clamp is embedded outside the flexible corrugated cavity 1, and can feed required amount of air according to needs to adjust the pressure of positive pressure and negative pressure.

The utility model adopts flexible nontoxic material, is formed into a corrugated pipe structure in one step, has one closed end and one opened end, is internally provided with a spring, adopts manual pressing, and finishes the air inlet and exhaust functions by alternately using two air one-way valves, so that positive pressure and negative pressure gas is formed in the cavity. When the exhaust valve is closed and the intake valve is opened, the upper part of the cavity is pressed to form positive pressure gas, the gas is sent to the lung of a patient through the mask to carry out artificial respiration, when the exhaust valve is opened and the intake valve is closed, the air in the cavity is pressed to be discharged through the exhaust valve, and under the action of the spring, the cavity generates negative pressure to suck foreign matters in the air passage of the patient out of the body.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An integrated positive and negative pressure respirator, comprising:

the flexible corrugated cavity (1) is provided with an outward convex opening at the bottom of the flexible corrugated cavity (1);

the spring (2) is accommodated in the flexible corrugated cavity (1), the diameter of the spring (2) is larger than the opening, and the bottom end of the spring (2) is abutted against the bottom of the flexible corrugated cavity (1);

the face guard connector, the face guard connector is hollow structure, be provided with admit air check valve (3) and exhaust check valve (4) on the face guard connector, the one end of face guard connector with the connection can be dismantled to the opening of flexible ripple form cavity (1), and the other end is connected with respirator (5).

2. The integrated positive and negative pressure respirator of claim 1, wherein the mask connecting body comprises a first cavity (6) and a second cavity (7) which are communicated with each other, the first cavity (6) and the second cavity (7) are coaxially arranged, the air inlet check valve (3) and the air outlet check valve (4) are mounted on the side wall of the first cavity (6), and valve covers are arranged on the air inlet check valve (3) and the air outlet check valve (4).

3. An integrated positive and negative pressure respirator according to claim 2, wherein the opening of the flexible corrugated chamber (1) has external threads and the top of the first chamber (6) has internal threads adapted thereto.

4. An integrated positive and negative pressure respirator according to claim 1, wherein the top of the flexible corrugated chamber (1) is provided with an oxygen port (8) and a sealing cover.

5. An integrated positive and negative pressure respirator according to claim 1, wherein the breathing mask (5) is made of an inflatable bag body.

6. The integrated positive and negative pressure respirator of claim 1, further comprising an air inlet scale clip (9), wherein the air inlet scale clip (9) is embedded outside the flexible corrugated cavity (1).