CN218774199U

CN218774199U - Respirator check valve verifying attachment

Info

Publication number: CN218774199U
Application number: CN202221439303.XU
Authority: CN
Inventors: 祝飞忠; 吴晓甜
Original assignee: Guangdong Tangan Fire Technology Co ltd
Current assignee: Guangdong Tangan Fire Technology Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2023-03-31
Anticipated expiration: 2032-06-09

Abstract

The utility model relates to a check valve inspection technical field just discloses a respirator check valve verifying attachment, including the inspection appearance, movable mounting has two gas-supply pipes on the inspection appearance, and swing joint has between two gas-supply pipes places the box, and the both ends of placing the box all are provided with coupling assembling, place the terminal swing joint of box through coupling assembling and gas-supply pipe, and coupling assembling specifically includes the installation section of thick bamboo, the one end of an installation section of thick bamboo and the terminal fixed connection of gas-supply pipe, and the inside fixed mounting of an installation section of thick bamboo has a sealed section of thick bamboo. This kind of respirator check valve verifying attachment is connected the gas-supply pipe and the end of placing the box through coupling assembling, has both made the connecting hose who places the box and the terminal zonulae occludens of gas-supply pipe, has guaranteed to place joint strength between box and the gas-supply pipe, has also improved the gas-supply pipe simultaneously and has placed the gas tightness of box junction.

Description

Respirator check valve verifying attachment

Technical Field

The utility model relates to a check valve inspection technical field specifically is a respirator check valve verifying attachment.

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 scene.

The one-way valve of the respirator is an indispensable structure in the production of the respirator, the safety of the one-way valve in use can be ensured after the check valve is checked before the one-way valve is put into use, but when a user detects different one-way valves, the placing boxes with different sizes need to be replaced, and because the size of the placing boxes is not used, the sealing effect at the connecting part of the placing boxes and the air conveying pipe cannot be ensured,

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model provides a respirator check valve verifying attachment to solve the problem that the background art provided.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a respirator check valve verifying attachment, including the inspection appearance, movable mounting has two gas-supply pipes on the inspection appearance, swing joint places the box between two gas-supply pipes, the both ends of placing the box all are provided with coupling assembling, place the terminal swing joint that the box passes through coupling assembling and gas-supply pipe, coupling assembling specifically includes an installation section of thick bamboo, the one end of an installation section of thick bamboo and the terminal fixed connection of gas-supply pipe, the inside fixed mounting of an installation section of thick bamboo has a sealed section of thick bamboo, the terminal fixed mounting of a sealed section of thick bamboo has the extension ring, fixed mounting has the screw rack on the outer wall of extension ring, the cover is equipped with the tighrening ring on the outer wall of an installation section of thick bamboo, run through on the inner wall of tighrening ring and offer with screw rack assorted thread groove.

Preferably, the other end of the extension ring is fixedly provided with a buffer cylinder, and the buffer cylinder is of a round table structure with a narrow front part and a wide rear part.

Preferably, the height of the thread rack is not less than three millimeters and the cross section of the thread rack is trapezoidal.

Preferably, the length of the sealing cylinder is the same as that of the mounting cylinder, and the distance between the sealing cylinder and the mounting cylinder is not less than two millimeters.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of respirator check valve verifying attachment is connected the gas-supply pipe and the end of placing the box through coupling assembling, has both made the connecting hose who places the box and the terminal zonulae occludens of gas-supply pipe, has guaranteed to place joint strength between box and the gas-supply pipe, has also improved the gas-supply pipe simultaneously and has placed the gas tightness of box junction.

2. This kind of respirator check valve verifying attachment, the cross section that highly is not less than three millimeters and the screw rack of screw rack is trapezoidal setting for the thread groove of tighrening ring can with screw rack threaded connection, guaranteed the gas-supply pipe and place the joint strength between the box.

Drawings

Fig. 1 is a schematic view of the overall structure of the main body of the present invention;

fig. 2 is a schematic structural view of the connection assembly of the present invention;

fig. 3 is the schematic view of the section of the connecting assembly structure of the present invention.

In the figure: 1. a tester; 2. a gas delivery pipe; 3; placing the box; 4. a connecting assembly; 401. mounting the cylinder; 402. A sealing cylinder; 403. an extension ring; 404. a buffer cylinder; 405. a threaded rack; 406. and (5) fastening the ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, a respirator check valve inspection device comprises an inspection instrument 1, two air pipes 2 are movably mounted on the inspection instrument 1, a placing box 3 is movably connected between the two air pipes 2, connecting assemblies 4 are arranged at two ends of the placing box 3, the placing box 3 is movably connected with the tail ends of the air pipes 2 through the connecting assemblies 4, the air pipes 2 and the tail ends of the placing box 3 are connected through the connecting assemblies 4, even if a connecting hose for placing the box 3 is connected with the tail ends of the air pipes 2, connection strength between the placing box 3 and the air pipes 2 is guaranteed, meanwhile, air tightness of the connection between the air pipes 2 and the placing box 3 is improved, the connecting assemblies 4 specifically comprise an installing cylinder 401, one end of the installing cylinder 401 is fixedly connected with the tail ends of the air pipes 2, a sealing cylinder 402 is fixedly mounted inside the installing cylinder 401, an extending ring 403 is fixedly mounted at the tail ends of the sealing cylinder 402, a threaded rack 405 is fixedly mounted on the outer wall of the extending ring 403, a ring 406 is mounted on the outer wall of the installing cylinder 401, a fastening ring 406 penetrates through a threaded groove matched with the rack 405, and the fastening ring 406 is fixedly connected with the rack 405, and the clamping strength of the clamping ring 405 is guaranteed to be connected with the hose 3 and the clamping ring 406.

Further, as shown in fig. 2 and fig. 3, a buffer cylinder 404 is fixedly mounted at the other end of the extension ring 403, the buffer cylinder 404 is a truncated cone structure with a narrow front part and a wide rear part, and the front end of the buffer cylinder 404 is narrow, so that a user can conveniently sleeve a connecting hose of the storage box 3 outside the buffer cylinder 404 and further move inwards to the outside of the sealing cylinder 402.

Further, as shown in fig. 3, the height of the threaded rack 405 is not less than three millimeters and the cross section of the threaded rack 405 is trapezoidal, so that the threaded groove of the fastening ring 406 can be in threaded connection with the threaded rack 405, and the connection strength between the gas pipe 2 and the placing box 3 is ensured.

Further, as shown in fig. 3, the length of the sealing cylinder 402 is the same as that of the mounting cylinder 401, and the distance between the sealing cylinder 402 and the mounting cylinder 401 is not less than two millimeters, the sealing cylinder 402 and the mounting cylinder 401 must be greater than the thickness of the connection hose so that the connection hose can be sunk into the interior of the mounting cylinder 401.

The working principle is as follows: when the user detects different check valves, the user can install in coupling assembling 4 that the coupling hose who places on the box 3 corresponds, after the user aligns with buffer barrel 404 with the coupling hose who will place on the box 3, the user can establish the coupling hose cover that places on the box 3 on the outer wall of buffer barrel 404, when the user lasts inwards promotes the coupling hose who places on the box 3, then it can submerge completely and establish on the outer wall of sealed section of thick bamboo 402, at this moment, the user can remove the tighrening ring 406 that the outer wall cover of installation section of thick bamboo 401 established to screw rack 405 department and screw up, can make the terminal zonulae occludens who places the coupling hose of box 3 and gas-supply pipe 2, guaranteed to place between box 3 and the gas-supply pipe 2 joint strength, also improved gas-supply pipe 2 simultaneously and placed the gas tightness of box 3 junction.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A respirator check valve verifying attachment, includes check meter (1), its characterized in that: the inspection instrument (1) is movably provided with two gas pipes (2), a placing box (3) is movably connected between the two gas pipes (2), two ends of the placing box (3) are respectively provided with a connecting component (4), and the placing box (3) is movably connected with the tail ends of the gas pipes (2) through the connecting components (4);

connecting assembling (4) are specific including an installation section of thick bamboo (401), the terminal fixed connection of the one end of an installation section of thick bamboo (401) and gas-supply pipe (2), the inside fixed mounting of an installation section of thick bamboo (401) has sealed section of thick bamboo (402), the terminal fixed mounting of sealed section of thick bamboo (402) has extension ring (403), fixed mounting has screw rack (405) on the outer wall of extension ring (403), the cover is equipped with tighrening ring (406) on the outer wall of an installation section of thick bamboo (401), run through on the inner wall of tighrening ring (406) and seted up with screw rack (405) assorted thread groove.

2. A respirator one-way valve verification device as claimed in claim 1, wherein: the other end of the extension ring (403) is fixedly provided with a buffer cylinder (404), and the buffer cylinder (404) is of a round table structure with a narrow front part and a wide rear part.

3. A respirator one-way valve verification device as claimed in claim 1, wherein: the height of the threaded rack (405) is not less than three millimeters, and the cross section of the threaded rack (405) is trapezoidal.

4. A respirator one-way valve verification device as claimed in claim 1, wherein: the length of the sealing cylinder (402) is the same as that of the mounting cylinder (401), and the distance between the sealing cylinder (402) and the mounting cylinder (401) is not less than two millimeters.