CN217526144U

CN217526144U - Improved respirator valve

Info

Publication number: CN217526144U
Application number: CN202123452780.8U
Authority: CN
Inventors: 赵拥军
Original assignee: Zhuhai Maikefen Technology Co ltd
Current assignee: Zhuhai Maikefen Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-10-04
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses an improved respirator valve, which comprises a valve body, wherein the valve body comprises a valve body which is in a cross shape and is set in a mutually communicated structure; an upper breather valve is arranged at one axial end of the valve body, and a lower breather valve is arranged at the other axial end of the valve body; a switching valve assembly is arranged on one side of the valve body and between the upper breather valve and the lower breather valve; through the change over valve subassembly that sets up, the upper end of valve port will be down to semicircle core lower surface is sealed, this moment, last breather valve is in operating condition, after the trouble harm appears when last breather valve uses, rotate the second valve handle, make semicircle core at the inside one hundred eighty degrees that rotates of connecting pipe, and make the lower surface of semicircle core with go up the valve port lower extreme sealed, make and form a seal structure between last breather valve and the valve body, this moment next breather valve is the structure of mutual intercommunication with the valve body, the normal use of respirator can be maintained to next breather valve, it is convenient to adjust, reduce personnel's damage.

Description

Improved respirator valve

Technical Field

The utility model relates to a valve field for the respirator especially relates to an improved generation respirator valve.

Background

The respirator is a self-sufficient open type air respirator, which is widely applied to departments such as fire control, chemical engineering, ships, petroleum, smelting, warehouses, laboratories, mines and the like, and is used for fire extinguishment, rescue and relief work and rescue work of firemen or rescue and rescue personnel under various environments such as dense smoke, toxic gas, steam or oxygen deficiency and the like. The series products are provided with a full mask which has wide visual field, brightness and good air tightness, and the air supply device is provided with a novel air supply valve which has smaller volume, light weight and stable performance; selecting a high-strength back plate and a high-quality high-pressure gas cylinder with a high safety coefficient; the pressure reducing valve device is provided with a residual gas alarm, and can send out a sound signal to a wearer within a specified gas cylinder pressure range to remind the user of timely withdrawing from the site.

At current respirator valve, at the in-process that uses, through the integrative installation between breather valve and the gas control valve, be convenient for carry out gaseous exchange through the breather valve at the in-process that uses, however this kind of mounting means is at the in-process that uses, when using, when the breather valve breaks down, influences the normal use of equipment, because traditional breather valve is mostly threaded connection in valve department, consequently in dangerous environment, the time is exactly life, and then causes unnecessary casualties.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an improved respirator valve which is convenient for switching a breather valve and can be normally used after a valve handle is rotated when one breather valve is damaged.

In order to solve the technical problem, the utility model provides a following technical scheme: an improved breather valve comprises a valve body, wherein the valve body comprises a valve body which is in a cross shape and is set in a mutually-communicated structure;

an upper breather valve is arranged at one axial end of the valve body, and a lower breather valve is arranged at the other axial end of the valve body;

a switching valve assembly is arranged on one side of the valve body and between the upper breather valve and the lower breather valve;

the conversion valve assembly comprises a connecting pipe and a semi-spherical core which is rotatably connected at the cross of the valve body, and the semi-spherical core is of a semi-circular spherical groove structure.

As a preferred technical scheme of the utility model, the valve body is including last valve port, lower valve port, air inlet, gas outlet, it is at same axis both ends with lower valve port to go up the valve port, the air inlet is at same axis both ends with the gas outlet, and goes up the valve port and sets for with the air inlet axis is perpendicular.

As a preferred technical scheme of the utility model, the valve body is including installing the governing valve in valve body and near air inlet one side, the governing valve is including first valve handle.

As a preferred technical scheme of the utility model, last breather valve and last valve port threaded connection, next breather valve and lower valve port threaded connection, and the junction all is provided with the sealing washer.

As an optimal technical scheme of the utility model, change over valve assembly is including rotating the second valve handle of being connected with the connecting pipe, and second valve handle and semicircle core fixed mounting.

As an optimal technical scheme of the utility model, air inlet and oxygen jar threaded connection, gas outlet and oxygen mask trachea threaded connection.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. through the change valve subassembly that sets up, the upper end of valve port will be down to the semicircle core lower surface is sealed, this moment, it is in operating condition to go up the breather valve, after the damage that breaks down when the last breather valve uses, rotate the second valve handle, make the semicircle core rotate one hundred eighty degrees in the connecting pipe is inside, and make the lower surface of semicircle core seal up the valve port lower extreme, make and form a seal structure between last breather valve and the valve body, this moment next breather valve is the structure of intercommunication each other with the valve body, the normal use of respirator can be maintained to next breather valve, it is convenient to adjust, it damages to reduce personnel.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic view of the valve body structure of the present invention;

FIG. 4 is a schematic view of the bottom structure of the valve body of the present invention;

fig. 5 is a schematic view of the structure of the semi-spherical core of the present invention.

Wherein: 1. a valve body; 11. a valve body; 111. an upper valve port; 112. a lower valve port; 113. an air inlet; 114. an air outlet; 12. adjusting a valve; 121. a first valve handle; 13. an upper breather valve; 14. a lower respiratory valve;

2. a switching valve assembly; 21. a connecting pipe; 22. a semi-spherical core; 221. a second valve handle.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

The embodiment is as follows:

as shown in fig. 1-5, the utility model provides an improved respirator valve, which comprises a valve body 1, wherein the valve body 1 comprises a valve body 11, and the valve body 11 is in a cross shape and has a mutually communicated structure; an upper breather valve 13 is arranged at one axial end of the valve body 11, and a lower breather valve 14 is arranged at the other axial end of the valve body; a switching valve assembly 2 is arranged on one side of the valve body 11 between the upper breather valve 13 and the lower breather valve 14; the change-over valve assembly 2 comprises a connecting pipe 21 and a semi-spherical core 22 rotatably connected at the cross-shaped cross of the valve body 11, and the semi-spherical core 22 is in a semi-circular spherical groove structure.

When the respirator is used, the air inlet 113 is connected with an oxygen tank, one end of the air outlet 114 is connected with an oxygen mask, when the respirator is used, the semicircular core 22 is rotatably connected at the cross-shaped connection position of the valve body 11, the lower surface of the semicircular core 22 is tightly attached to and sealed with the lower end openings of the upper valve port 111 and the lower valve port 112, in a normal state, the lower surface of the semicircular core 22 seals the upper end of the lower valve port 112, at the moment, the upper breather valve 13 is in a working state, when the upper breather valve 13 is in failure damage in use, the second valve handle 221 is rotated, the semicircular core 22 rotates one hundred eighty degrees inside the connecting pipe 21, the lower surface of the semicircular core 22 seals the lower end of the upper valve port 111, a sealing structure is formed between the upper breather valve 13 and the valve body 11, at the moment, the lower breather valve 14 and the valve body 11 are in a mutually communicated structure, the lower breather valve 14 can maintain normal use of the respirator, adjustment is convenient and convenient, and personnel damage is reduced.

In other embodiments, the valve body 11 includes an upper valve port 111, a lower valve port 112, an air inlet 113, and an air outlet 114, the upper valve port 111 and the lower valve port 112 are at two ends of the same axis, the air inlet 113 and the air outlet 114 are at two ends of the same axis, and the upper valve port 111 and the air inlet 113 are set vertically to the axis, so that the upper breather valve 13, the lower breather valve 14, and the valve body 11 can be easily disassembled and replaced.

In other embodiments, the valve body 1 includes a regulating valve 12 installed on the valve body 11 near the gas inlet 113, and the regulating valve 12 includes a first valve handle 121, and the gas inlet in the valve body 11 is regulated by the regulating valve 12 and rotating the first valve handle 121.

In other embodiments, the upper breather valve 13 is connected with the upper valve port 111 in a threaded manner, the lower breather valve 14 is connected with the lower valve port 112 in a threaded manner, and sealing rings are arranged at the joints, so that the upper breather valve 13 and the lower breather valve 14 can be conveniently detached, and the sealing effect can be improved.

In other embodiments, the switching valve assembly 2 includes a second valve handle 221 rotatably connected to the connection pipe 21, and the second valve handle 221 is fixedly installed with the half-spherical core 22, so that the rotation adjustment of the half-spherical core 22 is facilitated by rotating the second valve handle 221.

In other embodiments, the air inlet 113 is connected with the oxygen tank by screw threads, and the air outlet 114 is connected with the oxygen mask air pipe by screw threads, so that the valve body 1 and the equipment can be conveniently disassembled and assembled.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an improved generation respirator valve, is including valve body (1), its characterized in that: the valve body (1) comprises a valve body (11), and the valve body (11) is in a cross shape and is set in a mutually-communicated structure;

an upper breather valve (13) is arranged at one axial end of the valve body (11), and a lower breather valve (14) is arranged at the other axial end of the valve body;

a switching valve assembly (2) is arranged between the upper breather valve (13) and the lower breather valve (14) on one side of the valve body (11);

the conversion valve assembly (2) comprises a connecting pipe (21) and a semi-spherical core (22) which is rotatably connected to the cross-shaped cross of the valve body (11), and the semi-spherical core (22) is of a semi-circular spherical groove structure.

2. An improved respirator valve according to claim 1, wherein: the valve body (11) comprises an upper valve port (111), a lower valve port (112), an air inlet (113) and an air outlet (114), the upper valve port (111) and the lower valve port (112) are arranged at two ends of the same axis, the air inlet (113) and the air outlet (114) are arranged at two ends of the same axis, and the axis of the upper valve port (111) is perpendicular to the axis of the air inlet (113).

3. An improved respirator valve according to claim 1, wherein: the valve body (1) comprises a regulating valve (12) which is arranged on the valve body (11) and is close to one side of the air inlet (113), and the regulating valve (12) comprises a first valve handle (121).

4. An improved respirator valve according to claim 1, wherein: the upper breather valve (13) is in threaded connection with the upper valve port (111), the lower breather valve (14) is in threaded connection with the lower valve port (112), and sealing rings are arranged at the joints.

5. An improved respirator valve according to claim 1, wherein: the switching valve assembly (2) comprises a second valve handle (221) which is rotatably connected with the connecting pipe (21), and the second valve handle (221) and the semi-spherical core (22) are fixedly installed.

6. An improved respirator valve according to claim 2, wherein: the air inlet (113) is in threaded connection with the oxygen tank, and the air outlet (114) is in threaded connection with an air pipe of the oxygen mask.