CN213145485U

CN213145485U - Axial-coupled oxygen pressure maintaining cylinder valve

Info

Publication number: CN213145485U
Application number: CN202021341532.9U
Authority: CN
Inventors: 程悟迪
Original assignee: Jiangsu East China Air Separation Equipment Manufacturing Co ltd
Current assignee: Jiangsu East China Air Separation Equipment Manufacturing Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-05-07
Anticipated expiration: 2030-07-10

Abstract

The utility model relates to an oxygen pressurize bottle valve technical field specifically is an axle coupling formula oxygen pressurize bottle valve, protect and press the bottle control valve and set up the leak protection device in axle coupling formula pressurize bottle control valve one end including axle coupling formula, leak protection device includes that center body and fixed connection link pipe and lower link pipe at center body upper and lower both ends, and the chamber of ventilating and sliding chamber have been seted up to the inside of center body, and the inside in sliding chamber is equipped with the sliding block, and the inside of center body articulates there is leak protection plate, and leak protection plate's one end is equipped with crisp sheet metal, and leak protection plate's upside is equipped with the compression leg, one side fixedly connected with guide plate of sliding block bottom. The utility model discloses set up between oxygen cylinder and shaft coupling formula oxygen pressurize cylinder valve and prevented leaking the device, when shaft coupling formula oxygen pressurize cylinder valve takes place oxygen and leaks, the pressure that gives when the leak protection board receives oxygen and leaks promotes leak protection board rotary motion, will ventilate the chamber shutoff, reduces or closes revealing of oxygen, improves the security of oxygen cylinder.

Description

Axial-coupled oxygen pressure maintaining cylinder valve

Technical Field

The utility model relates to an oxygen pressurize cylinder valve technical field specifically is an associated mode oxygen pressurize cylinder valve.

Background

When the existing axial-connection type oxygen pressure maintaining cylinder valve is used, when oxygen leakage occurs at a position connected with an oxygen cylinder, the valve body does not have a method for reducing or closing the oxygen leakage, and only can let the oxygen leakage exist, so that a certain danger hidden danger exists in the device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an associated mode oxygen pressurize cylinder valve to solve present associated mode oxygen pressurize cylinder valve that proposes in the above-mentioned background art when using, when the local condition of taking place the leakage of oxygen of being connected with the oxygen cylinder appears, the valve body does not have the method of revealing that reduces or close oxygen, can only rely on oxygen to reveal, makes the device have the problem of certain dangerous hidden danger.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an axle-linked type oxygen pressurize bottle valve, includes axle-linked type pressurize bottle control valve and sets up the device of preventing leaking in axle-linked type pressurize bottle control valve one end, prevent leaking the device and include central body and the last connecting pipe and the lower connecting pipe at both ends about the central body, the rotatory fixed box of one side fixedly connected with of central body, the inside roll connection of rotatory fixed box has the column spinner, ventilate chamber and slip chamber have been seted up to the inside of central body, the inside in slip chamber is equipped with the sliding block, the one end fixedly connected with screw post of column spinner, the inside of central body articulates there is the leak protection board, the one end of leak protection board is equipped with crisp sheet metal, the upside of leak protection board is equipped with the compression leg, the compression leg cup joints on the cardboard, fixedly connected with retainer ring on the lateral wall of compression leg, one side fixedly connected with pressure guide plate of sliding.

Preferably, one end of the threaded column is in rolling connection with the inside of the central body, and the threaded column is in threaded connection with the sliding block.

Preferably, the bottom of the baffle ring is fixedly connected with a negative pressure spring, and one end of the compression column is in contact with the brittle sheet.

Preferably, one end of the pressure guide plate is in contact with the top of the pressure column.

Preferably, one end of the rotating column is fixedly connected with a rotating disc.

Preferably, one end of the shaft-coupled pressure maintaining bottle control valve is in threaded connection with the upper connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this shaft coupling formula oxygen pressurize cylinder valve has set up between oxygen cylinder and shaft coupling formula oxygen pressurize cylinder valve and has prevented leaking the device, and when shaft coupling formula oxygen pressurize cylinder valve takes place oxygen leakage, the leak protection board receives the pressure that gives when oxygen leaks, promotes leak protection board rotary motion, will ventilate the chamber shutoff, reduces or close revealing of oxygen, improves the security of oxygen cylinder.

Drawings

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

fig. 2 is a schematic view of the leakage preventing device of the present invention;

fig. 3 is a schematic cross-sectional view of the leakage preventing device of the present invention;

fig. 4 is a schematic structural diagram of a position a of the present invention.

In the figure: 1. a shaft-coupled pressure maintaining bottle control valve; 2. a leakage prevention device; 21. a central body; 211. a vent lumen; 212. a sliding cavity; 22. an upper connecting pipe; 23. a lower connecting pipe; 24. rotating the fixed box; 25. a spin column; 251. a threaded post; 252. a slider; 253. a pressure guide plate; 26. rotating the disc; 27. a leak-proof plate; 271. a brittle sheet; 28. pressing the column; 281. clamping a plate; 282. a baffle ring; 283. a negative pressure spring.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "center line", "longitudinal", "lateral", "length", "width", "thickness", "depth", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

An axial-coupled oxygen pressure-maintaining cylinder valve, for solving the problems, as a preferred embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, comprises an axial-coupled pressure-maintaining cylinder control valve 1 and a leakage-preventing device 2 disposed at one end of the axial-coupled pressure-maintaining cylinder control valve 1, the leakage-preventing device 2 comprises a central body 21, an upper connecting tube 22 and a lower connecting tube 23 fixedly connected to the upper and lower ends of the central body 21, a rotary fixing box 24 fixedly connected to one side of the central body 21, a rotary column 25 rotatably connected to the inside of the rotary fixing box 24, a ventilation cavity 211 and a sliding cavity 212 disposed inside the central body 21, a sliding block 252 disposed inside the sliding cavity 212, a threaded column central body 251 fixedly connected to one end of the rotary column 25, a leakage-preventing plate 27 hinged to the inside of the central body 21, a brittle sheet 271 disposed at one end of the leakage-preventing plate 27, a pressing column 28 disposed on the upper side, the side wall of the pressing post 28 is fixedly connected with a stop ring 282, and one side of the bottom of the sliding block 252 is fixedly connected with a pressure guide plate 253.

In this embodiment, one end of the threaded post 251 is connected to the inside of the central body 21 in a rolling manner, the threaded post 251 is connected to the sliding block 252 in a threaded manner, and when the rotating post 25 is viewed in a rotating manner, the rotating post 25 drives the threaded post 251 to rotate so as to drive the sliding block 252 to slide in the sliding cavity 212, thereby controlling the permeability of the ventilation cavity 211.

Furthermore, a negative pressure spring 283 is fixedly connected to the bottom of the baffle 282, and one end of the pressing column 28 contacts with the brittle sheet 271, so that the pressing column 28 presses the leakage-proof plate 27, and the leakage-proof plate 27 does not block the penetration of the vent cavity 211.

Specifically, one end of the pressure guide plate 253 contacts the top of the pressure column 28, so as to push the pressure column 28 to move downwards.

In addition, a rotating disc 26 is fixedly connected to one end of the rotating column 25, so that the rotating column 25 can be rotated conveniently.

Further, one end of the shaft-coupled pressure maintaining cylinder control valve 1 is in threaded connection with the upper connecting pipe 22, and the shaft-coupled pressure maintaining cylinder control valve 1 is connected to the upper connecting pipe 22, so that leakage of oxygen of the oxygen cylinder is prevented conveniently through the leakage-proof plate 27.

When the utility model is used, firstly, the rotating disc 26 is held and rotated, the rotating disc 26 drives the rotating column 25 to rotate, the sliding block 252 is connected with the threaded column 251 through the thread, the sliding block 252 slides along the track of the sliding cavity 212 in the sliding cavity 212, the ventilation cavity 211 is gradually opened, at the moment, the oxygen in the oxygen cylinder flows out through the ventilation cavity 211, the moving oxygen blows to the anti-leakage plate 27 and pushes the anti-leakage plate 27 to move, the anti-leakage plate 27 seals the ventilation cavity 211, the bottom of the pressure guide plate 253 is contacted with the pressure column 28 along with the movement of the sliding block 25, the pressure column 28 is pushed to move downwards, the bottom of the pressure column 28 which moves downwards is contacted with the brittle sheet 271, the anti-leakage plate 27 is driven to rotate gradually, the ventilation cavity 211 is transparent, when the oxygen leakage occurs in the oxygen cylinder, the leaked oxygen pushes the anti-leakage plate 27 to move upwards, the anti-leakage plate 27 pushed by the oxygen moves upwards, when the brittle sheet 271 contacted with the bottom of the pressure column 28, the anti-leakage plate 27 rotates around the position hinged with the central body 21 to seal the ventilation cavity 211, reduce or prevent the leakage of oxygen and improve the use safety of the oxygen cylinder.

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 associated mode oxygen pressurize cylinder valve, includes that shaft coupling formula pressurize bottle control valve (1) and setting are in anti-leakage device (2) of shaft coupling formula pressurize bottle control valve (1) one end, its characterized in that: the anti-leakage device (2) comprises a central body (21), an upper connecting pipe (22) and a lower connecting pipe (23) which are fixedly connected to the upper end and the lower end of the central body (21), a rotary fixing box (24) is fixedly connected to one side of the central body (21), a rotary column (25) is connected to the inside of the rotary fixing box (24) in a rolling manner, a ventilation cavity (211) and a sliding cavity (212) are formed in the central body (21), a sliding block (252) is arranged in the sliding cavity (212), a threaded column (251) is fixedly connected to one end of the rotary column (25), an anti-leakage plate (27) is hinged to the inside of the central body (21), a brittle sheet (271) is arranged at one end of the anti-leakage plate (27), a pressing column (28) is arranged on the upper side of the anti-leakage plate (27), the pressing column (28) is sleeved on a clamping plate (281), and a retaining ring (282) is fixedly, one side of the bottom of the sliding block (252) is fixedly connected with a pressure guide plate (253).

2. The shaft-coupled oxygen dwell bottle valve of claim 1 wherein: one end of the threaded column (251) is connected with the inner part of the central body (21) in a rolling way, and the threaded column (251) is connected with the sliding block (252) in a threaded way.

3. The shaft-coupled oxygen dwell bottle valve of claim 1 wherein: the bottom of the retaining ring (282) is fixedly connected with a negative pressure spring (283), and one end of the pressure column (28) is in contact with the brittle sheet (271).

4. The shaft-coupled oxygen dwell bottle valve of claim 1 wherein: one end of the pressure guide plate (253) is in contact with the top of the pressure column (28).

5. The shaft-coupled oxygen dwell bottle valve of claim 1 wherein: one end of the rotating column (25) is fixedly connected with a rotating disc (26).

6. The shaft-coupled oxygen dwell bottle valve of claim 1 wherein: one end of the shaft-coupled pressure maintaining bottle control valve (1) is in threaded connection with the upper connecting pipe (22).