CN215060323U

CN215060323U - Quick connector

Info

Publication number: CN215060323U
Application number: CN202022392366.1U
Authority: CN
Inventors: 楼仲宇; 楼焕银; 薛大伟; 童超
Original assignee: Zhejiang Songqiao Pneumatic And Hydraulic Co ltd
Current assignee: Zhejiang Songqiao Pneumatic And Hydraulic Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-12-07
Anticipated expiration: 2030-10-23

Abstract

The utility model relates to a quick assembly disassembly's connecting device, especially a quick-operation joint. The utility model provides a quick-operation joint, includes male joint and female joint, the male joint includes the plug, plug integrated into one piece, and the plug outer wall is equipped with the stopping groove, and the female joint includes the casing, and casing rear portion outer wall cover is equipped with the casing and connects the body, and the anterior sunken steel ball that is equipped with of casing, steel ball and overcoat connection are equipped with the overcoat spring between the body with the casing joint, and casing joint body junction are equipped with the disk seat, disk seat and the contact of non return case rear portion, the anterior and the shells inner wall contact of non return case, and non return case middle part is sunken, is equipped with non return case spring between disk seat and the non return case. The utility model discloses an useful part: novel structure, design benefit is simple and easy, one-hand operation, and the non return case is the fishbone type, and the super large runner, processing are simple and easy, connect convenient and fast, intensity is high, resistant owed good.

Description

Quick connector

Technical Field

The utility model relates to a quick assembly disassembly's connecting device, especially a quick-operation joint.

Background

The quick joint comprises a hydraulic quick joint and various fluid quick joints, and is a connecting device for quickly connecting or disconnecting pipelines and realizing quick assembly and disassembly. The quick connector has a bidirectional non-return function, so that the pipeline is free from leakage when disconnected, and therefore, the quick connector is widely applied to the fields of petroleum, metallurgy, hydropower, engineering machinery, ships, electromechanical equipment and the like. The quick joint connecting structure is the most important part of the quick joint, and the connecting mode and the structure of the quick joint directly determine the use convenience, the reliability and the product quality of the quick joint. The quick connector is composed of a female connector and a male connector, an existing flow passage is small, and the using effect and the using safety of the quick connector can be influenced.

Disclosure of Invention

In order to solve the technical problem that the flow channel is smaller, the utility model provides a quick joint.

The technical scheme of the utility model as follows:

the utility model provides a quick-operation joint, includes male joint and female joint, the male joint includes the plug, plug integrated into one piece, and the plug outer wall is equipped with the stopping groove, and the female joint includes the casing, and casing rear portion outer wall cover is equipped with the casing and connects the body, and the anterior sunken steel ball that is equipped with of casing, steel ball and overcoat connection are equipped with the overcoat spring between the body with the casing joint, and casing joint body junction are equipped with the disk seat, disk seat and the contact of non return case rear portion, the anterior and the shells inner wall contact of non return case, and non return case middle part is sunken, is equipped with non return case spring between disk seat and the non return case.

The front end of the check valve core is clamped with a sealing gasket, and a guide sleeve is arranged in front of the sealing gasket.

The front end of the check valve core is provided with a tip part, the tip part is inserted into the sealing gasket, the outer wall of the front part of the check valve core is provided with a convex ring, the convex ring is in contact with the inside of the shell, and a check valve core spring is arranged between the convex ring and the valve seat.

And an O-shaped ring a is arranged on the inner wall of the valve seat and is in contact with the outer sleeve and the shell connector body.

And an O-shaped ring b is arranged on the outer wall of the rear part of the check valve core.

The inner wall of the plug is in a step shape.

Use the technical scheme of the utility model, novel structure, design benefit is simple and easy, one-hand operation, and the non return case is the fishbone type, and the super large runner, processing is simple and easy, connects convenient and fast, intensity is high, resistant owe the nature good.

Drawings

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

fig. 2 is a schematic structural view of the female joint of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Examples

As shown in fig. 1, 2 a quick-operation joint, including male joint and female joint, the male joint includes plug 1, plug integrated into one piece, plug 1 outer wall is equipped with the stopping groove, the female joint includes casing 2, casing 2 rear portion outer wall cover is equipped with casing joint body 13, casing 2 front portion is sunken to be equipped with steel ball 4, steel ball 4 is connected with overcoat 3, be equipped with overcoat spring 6 between overcoat 3 and the casing joint body 13, casing 2 and casing joint body 13 junction are equipped with disk seat 9, disk seat 9 and the contact of non return case 12 rear portion, the contact of non return case 12 front portion and casing 2 inner wall, non return case 12 middle part is sunken, be equipped with non return case spring 8 between disk seat 9 and non return case 12.

The front end of the check valve core 12 is clamped with a sealing gasket 7, and a guide sleeve 5 is arranged in front of the sealing gasket 7.

The front end of the check valve core 12 is provided with a tip part, the tip part is inserted into the sealing gasket 7, the outer wall of the front part of the check valve core 12 is provided with a convex ring, the convex ring is in contact with the inside of the shell 2, and a check valve core spring 8 is arranged between the convex ring and the valve seat 9.

The inner wall of the valve seat 9 is provided with an O-shaped ring a10, and the O-shaped ring a10 is contacted with the outer sleeve 3 and the housing joint body 13.

And an O-shaped ring b11 is arranged on the outer wall of the rear part of the check valve core 12.

The inner wall of the plug 1 is in a step shape.

When the plug is used, the plug 1 pushes the check valve core 12 to move inwards, the rear part of the plug is far away from the valve seat 9, the steel ball 4 locks the check groove, the flow channel is opened, the flow channel is large, the inner wall of the plug 1 is not obstructed, and the plug is suitable for single-hand operation.

It should be understood that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, and those skilled in the art can add, subtract, replace, change or modify the above-mentioned embodiments within the spirit and principle of the present invention, and all such additions, substitutions, changes or modifications should fall within the scope of the appended claims.

Claims

1. A quick-operation joint, includes male joint and female joint, its characterized in that: the male joint comprises a plug (1), the plug is integrally formed, the outer wall of the plug (1) is provided with a stopping groove, the female joint comprises a shell (2), the outer wall of the rear portion of the shell (2) is provided with a shell joint body (13), the front portion of the shell (2) is sunken to be provided with a steel ball (4), the steel ball (4) is connected with an outer sleeve (3), an outer sleeve spring (6) is arranged between the outer sleeve (3) and the shell joint body (13), a valve seat (9) is arranged at the joint of the shell (2) and the shell joint body (13), the valve seat (9) is contacted with the rear portion of a non-return valve element (12), the front portion of the non-return valve element (12) is contacted with the inner wall of the shell (2), the middle portion of the non-return valve element (12) is sunken, and a non-return valve element spring (8) is arranged between the valve seat (9) and the non-return valve element (12).

2. A quick coupling according to claim 1, wherein: the front end of the check valve core (12) is clamped with a sealing gasket (7), and a guide sleeve (5) is arranged in front of the sealing gasket (7).

3. A quick coupling according to claim 1, wherein: the front end of the check valve core (12) is provided with a tip part, the tip part is inserted into the sealing gasket (7), the outer wall of the front part of the check valve core (12) is provided with a convex ring, the convex ring is in internal contact with the shell (2), and a check valve core spring (8) is arranged between the convex ring and the valve seat (9).

4. A quick coupling according to claim 1, wherein: and an O-shaped ring a (10) is arranged on the inner wall of the valve seat (9), and the O-shaped ring a (10) is in contact with the outer sleeve (3) and the shell joint body (13).

5. A quick coupling according to claim 1, wherein: and an O-shaped ring b (11) is arranged on the outer wall of the rear part of the check valve core (12).

6. A quick coupling according to claim 1, wherein: the inner wall of the plug (1) is in a step shape.