CN214890493U

CN214890493U - Novel gas cylinder that leakproofness is good

Info

Publication number: CN214890493U
Application number: CN202120879014.0U
Authority: CN
Inventors: 王平
Original assignee: Jinhua Zhonglan Machinery Manufacturing Co ltd
Current assignee: Jinhua Zhonglan Machinery Manufacturing Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-26
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a novel gas cylinder that leakproofness is good, including gas cylinder body, sealing mechanism and fixed establishment, sealing mechanism sets up the top at the gas cylinder body, fixed establishment sets up on sealing mechanism, sealing mechanism is including connecting shell, gas-supply pipe and sealed shell, connect the top at the gas cylinder body of shell installation, the gas-supply pipe sets up the top at the connection shell, the bottom of gas-supply pipe is from last to running through connection shell and gas cylinder body down in proper order and extend to the inside of gas cylinder body. The utility model discloses a mutually supporting of connection shell, sealed pad, sealing washer, fixed plate, connecting plate, antifriction bearing, fixed axle, limiting plate, locating lever and fixing bolt to improved the leakproofness of gas-supply pipe and gas cylinder bottleneck department greatly, improved the steadiness between connection shell and the sealed shell simultaneously, avoid later stage seal structure to appear becoming flexible, thereby avoid influencing the life of gas cylinder, bring very big facility for the user.

Description

Novel gas cylinder that leakproofness is good

Technical Field

The utility model relates to a gas cylinder technical field specifically is a novel gas cylinder that leakproofness is good.

Background

The gas cylinder is a movable pressure container which can be repeatedly inflated for use under normal environment (minus 40-60 ℃), has nominal working pressure of 1.0-30 MPa (gauge pressure) and nominal volume of 0.4-1000L and is used for containing permanent gas, liquefied gas or dissolved gas. But the leakproofness of common gas cylinder bottleneck department is relatively poor, and the gas cylinder is in order to be connected with external device, is provided with the gas-supply pipe usually, and the inseparable degree of gas-supply pipe and bottleneck laminating is lower to lead to gas-supply pipe and gas cylinder bottleneck department to have sealed relatively poor phenomenon to take place, the long-term back of using of gas cylinder, seal structure easily produces not hard up phenomenon, influences the life of gas cylinder greatly, brings very big inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel gas cylinder that leakproofness is good to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel gas cylinder with good sealing performance comprises a gas cylinder body, a sealing mechanism and a fixing mechanism, wherein the sealing mechanism is arranged at the top of the gas cylinder body;

the sealing mechanism comprises a connecting shell, a gas pipe and a sealing shell, the connecting shell is installed at the top of the gas cylinder body, the gas pipe is arranged at the top of the connecting shell, the bottom end of the gas pipe sequentially penetrates through the connecting shell and the gas cylinder body from top to bottom and extends into the gas cylinder body, a control valve is arranged at the top end of the gas pipe, the sealing shell is installed on the surface of the gas pipe and is located on the surface of the connecting shell, a sealing gasket is installed at the top of the inner wall of the sealing shell and is located on the surface of the gas pipe, and a sealing ring is installed on the surface of the gas pipe and is located inside the connecting shell;

the fixed establishment includes fixed plate and connecting plate, the quantity of fixed plate is two and installs the bottom at the sealed shell left and right sides respectively, install antifriction bearing in the recess of fixed plate bottom, swing joint has the fixed axle on antifriction bearing's the inner wall, the limiting plate is installed to the bottom of fixed axle, the connecting plate sets up the top at the limiting plate, one side that the connecting plate is close to the connecting shell and is connected shell fixed connection, the locating lever is all installed to the left and right sides of sealed shell bottom, the bottom of locating lever runs through the connecting plate and extends to its outside, the bottom of limiting plate is provided with fixing bolt, supreme limiting plate and the connecting plate of running through in proper order and extend to the inside of connecting plate and the inner wall threaded connection of connecting plate are followed to fixing bolt's top.

Preferably, the side of the sealing shell close to the connecting shell is in contact with the surface of the connecting shell.

Preferably, one side of the sealing gasket, which is close to the connecting shell, is in contact with the connecting shell, and the inner wall of the sealing gasket is fixedly connected with the surface of the gas conveying pipe.

Preferably, one side of the sealing ring close to the inner wall of the connecting shell is contacted with the inner wall of the connecting shell.

Preferably, one side of the limiting plate, which is close to the connecting plate, is in contact with the connecting plate.

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

the utility model discloses a mutually supporting of connection shell, sealed pad, sealing washer, fixed plate, connecting plate, antifriction bearing, fixed axle, limiting plate, locating lever and fixing bolt to improved the leakproofness of gas-supply pipe and gas cylinder bottleneck department greatly, improved the steadiness between connection shell and the sealed shell simultaneously, avoid later stage seal structure to appear becoming flexible, thereby avoid influencing the life of gas cylinder, improved the practicality greatly, bring very big facility for the user.

Drawings

FIG. 1 is a structural section view in elevation of the present invention;

FIG. 2 is an enlarged view of a portion of A-A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the front view of the present invention.

In the figure: the gas cylinder comprises a gas cylinder body 1, a sealing mechanism 2, a connecting shell 21, a gas pipe 22, a sealing shell 23, a control valve 24, a sealing gasket 25, a sealing ring 26, a fixing mechanism 3, a fixing plate 31, a connecting plate 32, a rolling bearing 33, a fixing shaft 34, a limiting plate 35, a positioning rod 36 and a fixing bolt 37.

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.

Referring to fig. 1-3, a novel gas cylinder with good sealing performance includes a gas cylinder body 1, a sealing mechanism 2 and a fixing mechanism 3, wherein the sealing mechanism 2 is disposed on the top of the gas cylinder body 1, and the fixing mechanism 3 is disposed on the sealing mechanism 2.

The sealing mechanism 2 comprises a coupling housing 21, air supply pipe 22 and sealed shell 23, connect the top at gas cylinder body 1 is installed to shell 21, air supply pipe 22 sets up the top at connecting shell 21, air supply pipe 22's bottom from last to running through connection shell 21 and gas cylinder body 1 in proper order down and extending to the inside of gas cylinder body 1, air supply pipe 22's top is provided with control valve 24, sealed shell 23 is installed on air supply pipe 22's surface and is located the surface of connecting shell 21, sealed shell 23 is close to one side of connecting shell 21 and the surface of connecting shell 21 and contacts each other, the top of sealed shell 23 inner wall just is located air supply pipe 22's fixed surface and is connected with sealed the pad 25, sealed pad 25 is close to one side of connecting shell 21 and is connected shell 21 and contacts each other, the inner wall of sealed pad 25 and the fixed surface of air supply pipe 22 are connected, the surface of air supply pipe 22 just is located the inside fixed connection of connecting shell 21 and is connected with sealing washer 26, sealing washer 26 is close to one side of connecting shell 21 inner wall and connects the inner wall contact each other.

The fixing mechanism 3 comprises a fixing plate 31 and a connecting plate 32, the number of the fixing plates 31 is two, the fixing plates 31 are respectively installed at the bottoms of the left side and the right side of the sealing shell 23, a rolling bearing 33 is fixedly connected in a groove at the bottom of the fixing plate 31, a fixing shaft 34 is movably connected to the inner wall of the rolling bearing 33, a limiting plate 35 is fixedly connected to the bottom end of the fixing shaft 34, the connecting plate 32 is arranged at the top of the limiting plate 35, one side of the limiting plate 35 close to the connecting plate 32 is in mutual contact with the connecting plate 32, one side of the connecting plate 32 close to the connecting shell 21 is fixedly connected with the connecting shell 21, the left side and the right side of the bottom of the sealing shell 23 are both fixedly connected with a positioning rod 36, the bottom end of the positioning rod 36 penetrates through the connecting plate 32 and extends to the outside, a fixing bolt 37 is arranged at the bottom of the limiting plate 35, the top end of the fixing bolt 37 sequentially penetrates through the limiting plate 35 and the connecting plate 32 from bottom to the top and extends to the inside of the connecting plate 32 and is in threaded connection with the inner wall of the connecting plate 32, through connecting shell 21, sealed shell 23, sealed pad 25, sealing washer 26, fixed plate 31, connecting plate 32, antifriction bearing 33, fixed axle 34, limiting plate 35, mutually supporting of locating lever 36 and fixing bolt 37, thereby the leakproofness of gas-supply pipe 22 and gas cylinder bottleneck department has been improved greatly, the steadiness between connecting shell 21 and sealed shell 23 has been improved simultaneously, it is not hard up to avoid later stage seal structure to appear, thereby avoid influencing the life of gas cylinder, the practicality is greatly improved, bring very big facility for the user.

During the use, when needs are installed between gas-supply pipe 22 and the gas cylinder body 1, make gas-supply pipe 22 insert into gas cylinder body 1 through connecting shell 21, thereby make sealing washer 26 move the inside of connecting shell 21, sealed shell 23 drives sealed pad 25 and connects shell 21 in close contact with, sealed shell 23 drives locating lever 36 through connection board 32, then rotate limiting plate 35, make the rotatory 180 degrees of limiting plate 35 move the bottom of connection board 32, then fix limiting plate 35 and connection board 32 through fixing bolt 37 can, then alright use with aerifing to gas cylinder body 1.

In summary, the following steps: this novel gas cylinder that leakproofness is good has solved the problem that proposes among the above-mentioned background art through connecting shell 21, sealed shell 23, sealed pad 25, sealing washer 26, fixed plate 31, connecting plate 32, antifriction bearing 33, fixed axle 34, limiting plate 35, locating lever 36 and fixing bolt 37 mutually supporting.

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. The utility model provides a novel gas cylinder that leakproofness is good, includes gas cylinder body (1), sealing mechanism (2) and fixed establishment (3), its characterized in that: the sealing mechanism (2) is arranged at the top of the gas cylinder body (1), and the fixing mechanism (3) is arranged on the sealing mechanism (2);

the sealing mechanism (2) comprises a connecting shell (21), a gas conveying pipe (22) and a sealing shell (23), the connecting shell (21) is installed at the top of the gas cylinder body (1), the gas conveying pipe (22) is arranged at the top of the connecting shell (21), the bottom end of the gas conveying pipe (22) sequentially penetrates through the connecting shell (21) and the gas cylinder body (1) from top to bottom and extends to the inside of the gas cylinder body (1), a control valve (24) is arranged at the top end of the gas conveying pipe (22), the sealing shell (23) is installed on the surface of the gas conveying pipe (22) and located on the surface of the connecting shell (21), a sealing gasket (25) is installed at the top of the inner wall of the sealing shell (23) and located on the surface of the gas conveying pipe (22), and a sealing ring (26) is installed on the surface of the gas conveying pipe (22) and located inside the connecting shell (21);

the fixing mechanism (3) comprises a fixing plate (31) and a connecting plate (32), the number of the fixing plate (31) is two, the fixing plate (31) is respectively arranged at the bottoms of the left side and the right side of the sealing shell (23), a rolling bearing (33) is arranged in a groove at the bottom of the fixing plate (31), a fixing shaft (34) is movably connected to the inner wall of the rolling bearing (33), a limiting plate (35) is arranged at the bottom end of the fixing shaft (34), the connecting plate (32) is arranged at the top of the limiting plate (35), one side of the connecting plate (32) close to the connecting shell (21) is fixedly connected with the connecting shell (21), positioning rods (36) are arranged at the left side and the right side of the bottom of the sealing shell (23), the bottom ends of the positioning rods (36) penetrate through the connecting plate (32) and extend to the outside of the connecting plate, and fixing bolts (37) are arranged at the bottoms of the limiting plates (35), the top end of the fixing bolt (37) penetrates through the limiting plate (35) and the connecting plate (32) from bottom to top in sequence and extends to the inner wall threaded connection of the connecting plate (32) and the inside of the connecting plate (32).

2. The novel gas cylinder with good sealing performance according to claim 1, is characterized in that: one side of the sealing shell (23) close to the connecting shell (21) is contacted with the surface of the connecting shell (21).

3. The novel gas cylinder with good sealing performance according to claim 2, is characterized in that: one side that sealed pad (25) are close to connecting shell (21) contacts with connecting shell (21) each other, the inner wall of sealed pad (25) is connected with the fixed surface of gas-supply pipe (22).

4. A novel gas cylinder with good sealing performance according to claim 3, characterized in that: one side of the sealing ring (26) close to the inner wall of the connecting shell (21) is contacted with the inner wall of the connecting shell (21).

5. The novel gas cylinder with good sealing performance according to claim 4, is characterized in that: one side of the limiting plate (35) close to the connecting plate (32) is in mutual contact with the connecting plate (32).