CN212657417U

CN212657417U - Gas socket

Info

Publication number: CN212657417U
Application number: CN202021112442.2U
Authority: CN
Inventors: 孟昭懿; 史建伟; 周建山
Original assignee: Csic Dalian New Materials Co ltd; Changzhou Telma Technology Co ltd
Current assignee: Csic Dalian New Materials Co ltd; Changzhou Telma Technology Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-03-05
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a gas socket, which comprises a valve body, a connecting part and a locking part which are communicated in sequence; the valve body and the locking part are respectively in threaded connection with two ends of the connecting part; a valve core is arranged in the inner cavity of the valve body; the valve core is abutted against the outlet of the connecting part; the outlet end of the connecting part is provided with a sealing element; the valve core extends into the sealing element; and one end of the valve core, which extends into the sealing element, is provided with an air outlet channel, and when the valve core is released from abutting against the outlet of the connecting part, the valve body is communicated with the locking part through the air outlet channel. The utility model discloses set up valve body, connecting portion and locking portion, realized inside ventilating through the motion of case, it is convenient, quick to connect to set up the sealing member in the exit of connecting portion, guaranteed the leakproofness when external plug inserts, thereby guaranteed gas socket's gas tightness.

Description

Gas socket

Technical Field

The utility model belongs to the technical field of the welding technique and specifically relates to a gas socket is related to.

Background

Oxygen must be introduced to the torch to work when the torch is in use. Generally, the oxygen cylinder is connected to the oxygen cylinder through a connector, but the existing connectors are various, but in the using process, the problems of inconvenient connection, long installation time, complex installation, insufficient air tightness and the like are found.

Therefore, it is necessary to design a gas socket to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gas socket to prior art's weak point.

Realize the utility model discloses the technical scheme of purpose is: a gas socket comprises a valve body, a connecting part and a locking part which are communicated in sequence; the valve body and the locking part are respectively in threaded connection with two ends of the connecting part; a valve core is arranged in the inner cavity of the valve body; the valve core is abutted against the outlet of the connecting part; the outlet end of the connecting part is provided with a sealing element; the valve core extends into the sealing element; and one end of the valve core, which extends into the sealing element, is provided with an air outlet channel, and when the valve core is released from abutting against the outlet of the connecting part, the valve body is communicated with the locking part through the air outlet channel.

One end of the valve body is provided with an installation cavity, and the other end of the valve body is provided with an air inlet communicated with the installation cavity; a spring fixing seat is arranged in the mounting cavity; the valve core is coaxially fixed on the spring fixing seat through a first return spring.

The connecting part comprises an adapter; the valve core extends into the inner cavity of the adapter; a first annular boss abutted to the valve core is arranged in the adapter; the outer wall of one end of the adapter is in threaded connection with the mounting cavity of the valve body, and the inner wall of the adapter is hermetically sleeved on the spring fixing seat; the seal is disposed at the outlet end of the connecting body.

An annular groove is formed in the inner wall of the inner cavity of the valve body along the circumferential direction; be equipped with first sealing washer in the ring channel, the terminal surface that the adapter stretched into the one end of installation cavity and the outer peripheral face of spring fixing base all closely laminate with first sealing washer.

The locking part comprises a connecting joint main body and a fixing sleeve; one end of the connecting joint main body is in threaded connection with the adapter, and a second annular boss is arranged on the inner circumferential surface of the connecting joint main body along the circumferential direction; the second annular boss is tightly attached to the sealing element; the fixed sleeve is movably sleeved on the other end of the connecting joint main body, and a spring mounting cavity is formed between the fixed sleeve and the outer peripheral surface of the connecting joint main body; a second reset spring for resetting the fixed sleeve is arranged in the spring mounting cavity; a plurality of mounting holes are uniformly distributed on the outer wall of the connecting joint main body along the circumferential direction; steel balls are movably arranged in the mounting holes; the diameter of the steel ball is larger than the caliber of the mounting hole; a third annular boss is arranged on the inner circumferential surface of the fixed sleeve along the circumferential direction; when the fixing sleeve is reset, the third annular boss locks the steel ball at the opening of the mounting hole; and a limiting ring for limiting the third annular boss is fixed on the end part of the other end of the connecting joint main body.

And a second sealing ring is arranged between the valve core and a first annular boss contact part in the adapter.

By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) the utility model discloses set up valve body, connecting portion and locking portion, realized inside ventilating through the motion of case, it is convenient, quick to connect to set up the sealing member in the exit of connecting portion, guaranteed the leakproofness when external plug inserts, thereby guaranteed gas socket's gas tightness.

(2) The utility model discloses a case passes through the coaxial fixing of a reset spring on the spring fixing base, and the case of being convenient for resets, and when external plug extracted, can self-sealing export, guarantees the leakproofness.

(3) The utility model discloses a fast adapter is connected more stably with the installation cavity threaded connection of valve body, and the later stage of also being convenient for is dismantled and is changed the case.

(4) The utility model discloses set up first sealing strip circle, guaranteed the leakproofness between adapter and the case inner chamber.

(5) The utility model discloses a thereby the third annular boss on the fixed cover is to the spacing locking plug-in connector in the steel ball, when third annular boss removes the spacing time to the steel ball, the steel ball removes the spacing to the plug for the plug can fast be inserted and pull out, and it is very convenient to use.

(6) The utility model discloses set up the second sealing washer, guaranteed the leakproofness between case and an annular boss, further improved gas socket's leakproofness.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which,

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

The reference numbers in the drawings are:

the valve comprises a valve body 1, an installation cavity 1-1, an air inlet 1-2, a connecting part 2, an adapter 2-1, a first annular boss 2-2, a locking part 3, a valve core 4, a second sealing ring 4-2, a sealing part 5, a spring fixing seat 6 and a first return spring 7.

Detailed Description

(example 1)

Referring to fig. 1, the gas socket of the present embodiment includes a valve body 1, a connecting portion 2, and a locking portion 3, which are sequentially communicated. The valve body 1 and the locking part 3 are respectively in threaded connection at two ends of the connecting part 2. A valve core 4 is arranged in the inner cavity of the valve body 1. The valve element 4 abuts on the outlet of the connecting portion 2. The outlet end of the connecting part 2 is provided with a sealing member 5, and the sealing member 5 is preferably made of rubber. The valve insert 4 projects into the seal 5. One end of the valve core 4 extending into the sealing piece 5 is provided with an air outlet channel 4-1, and when the valve core 4 is released from abutting with the outlet of the connecting part 2, the valve body 1 is communicated with the locking part 3 through the air outlet channel 4-1. One end of the valve core 4-1 extending into the sealing element 5 is a hollow shaft, so that an external plug can be conveniently inserted, and a plurality of air outlets are uniformly distributed on the hollow shaft along the circumferential direction.

One end of the valve body 1 is provided with an installation cavity 1-1, and the other end is provided with an air inlet 1-2 communicated with the installation cavity 1-1. A spring fixing seat 6 is arranged in the mounting cavity 1-1. The valve core 4 is coaxially fixed on the spring fixing seat 6 through a first return spring 7.

The connecting part 2 comprises an adapter 2-1. The valve core 4 extends into the inner cavity of the adapter 2-1. A first annular boss 2-2 which is abutted against the valve core 4 is arranged in the adapter 2-1. The outer wall of one end of the adapter 2-1 is in threaded connection with the mounting cavity 1-1 of the valve body 1, and the inner wall of the adapter 2-1 is arranged on the spring fixing seat 6 in a sealing mode. A seal 5 is provided at the outlet end of the connecting body.

An annular groove is arranged on the inner wall of the inner cavity of the valve body 1 along the circumferential direction. A first sealing ring 1-3 is arranged in the annular groove, and the end face of one end, extending into the mounting cavity 1-1, of the adapter 2-1 and the peripheral face of the spring fixing seat 6 are tightly attached to the first sealing ring 1-3.

The locking part 3 comprises a connecting joint main body 3-1 and a fixing sleeve 3-2. One end of the connecting joint main body 3-1 is in threaded connection with the adapter 2-1, and a second annular boss 3-3 is arranged on the inner circumferential surface of the connecting joint main body 3-1 along the circumferential direction. The second annular boss 3-3 abuts the seal 5. The fixed sleeve 3-2 is movably sleeved on the other end of the connecting joint main body 3-1, and a spring mounting cavity is formed between the fixed sleeve 3-2 and the outer peripheral surface of the connecting joint main body 3-1. A second return spring 3-4 for returning the fixed sleeve 3-2 is arranged in the spring mounting cavity 1-1. A plurality of mounting holes 3-5 are uniformly distributed on the outer wall of the connecting joint main body 3-1 along the circumferential direction. Steel balls 3-6 are movably arranged in the mounting holes 3-5. The diameter of the steel ball 3-6 is larger than the caliber of the mounting hole 3-5. The inner peripheral surface of the fixed sleeve 3-2 is circumferentially provided with a third annular boss 3-7. When the fixed sleeve 3-2 is reset, the third annular boss 3-7 locks the steel ball 3-6 at the opening of the mounting hole 3-5. A limiting ring 3-8 for limiting the third annular boss 3-7 is fixed on the end part of the other end of the connecting joint main body 3-1.

A second sealing ring 4-2 is arranged between the valve core 4 and the contact part of the first annular boss 2-2 in the adapter 2-1.

This embodiment the utility model discloses set up valve body 1, connecting portion 2 and locking portion 3, realized inside ventilation through the motion of case 4, it is convenient, quick to connect to set up sealing member 5 in the exit of connecting portion 3, guaranteed the leakproofness when external plug inserts, thereby guaranteed gas socket's gas tightness.

(example 2)

Referring to fig. 2, this embodiment is substantially the same as embodiment 1 except that: the outer peripheral surface of the valve body 1 is provided with the external threads, the air inlet 1-2 is a stepped hole with a large inlet end and a small outlet end, and the outlet of the air outlet is provided with the filter screen, so that the air inlet pressure can be increased, impurities in gas can be prevented from entering a welding gun, and the use is safer.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A gas socket, comprising: comprises a valve body (1), a connecting part (2) and a locking part (3) which are communicated in sequence; the valve body (1) and the locking part (3) are respectively in threaded connection with two ends of the connecting part (2); a valve core (4) is arranged in the inner cavity of the valve body (1); the valve core (4) is abutted against the outlet of the connecting part (2); a sealing element (5) is arranged at the outlet end of the connecting part (2); the valve core (4) extends into the sealing element (5); and an air outlet channel (4-1) is arranged at one end of the valve core (4) extending into the sealing element (5), and when the valve core (4) is released from abutting against the outlet of the connecting part (2), the valve body (1) is communicated with the locking part (3) through the air outlet channel (4-1).

2. A gas socket according to claim 1, wherein: one end of the valve body (1) is provided with a mounting cavity (1-1), and the other end is provided with an air inlet (1-2) communicated with the mounting cavity (1-1); a spring fixing seat (6) is arranged in the mounting cavity (1-1); the valve core (4) is coaxially fixed on the spring fixing seat (6) through a first return spring (7).

3. A gas socket according to claim 2, wherein: the connecting part (2) comprises an adapter (2-1); the valve core (4) extends into the inner cavity of the adapter (2-1); a first annular boss (2-2) which is abutted against the valve core (4) is arranged in the adapter (2-1); the outer wall of one end of the adapter (2-1) is in threaded connection with the mounting cavity (1-1) of the valve body (1), and the inner wall of the adapter (2-1) is hermetically sleeved on the spring fixing seat (6); the seal (5) is provided at the outlet end of the connecting body.

4. A gas socket according to claim 3, wherein: an annular groove is formed in the inner wall of the inner cavity of the valve body (1) along the circumferential direction; the ring channel is internally provided with a first sealing ring (1-3), and the end face of one end of the adapter (2-1) extending into the mounting cavity (1-1) and the peripheral face of the spring fixing seat (6) are tightly attached to the first sealing ring (1-3).

5. A gas socket according to claim 4, wherein: the locking part (3) comprises a connecting joint main body (3-1) and a fixing sleeve (3-2); one end of the connecting joint main body (3-1) is in threaded connection with the adapter (2-1), and a second annular boss (3-3) is arranged on the inner circumferential surface of the connecting joint main body (3-1) along the circumferential direction; the second annular boss (3-3) is tightly attached to the sealing element (5); the fixed sleeve (3-2) is movably sleeved on the other end of the connecting joint main body (3-1), and a spring mounting cavity is formed between the fixed sleeve (3-2) and the outer peripheral surface of the connecting joint main body (3-1); a second reset spring (3-4) for resetting the fixed sleeve (3-2) is arranged in the spring mounting cavity (1-1); a plurality of mounting holes (3-5) are uniformly distributed on the outer wall of the connecting joint main body (3-1) along the circumferential direction; steel balls (3-6) are movably arranged in the mounting holes (3-5); the diameter of the steel ball (3-6) is larger than the caliber of the mounting hole (3-5); a third annular boss (3-7) is arranged on the inner circumferential surface of the fixed sleeve (3-2) along the circumferential direction; when the fixed sleeve (3-2) is reset, the third annular boss (3-7) locks the steel ball (3-6) at the opening of the mounting hole (3-5); and a limiting ring (3-8) for limiting the third annular boss (3-7) is fixed on the end part of the other end of the connecting joint main body (3-1).

6. A gas socket according to claim 3, wherein: and a second sealing ring (4-2) is arranged between the valve core (4) and the contact part of the first annular boss (2-2) in the adapter (2-1).