CN216046068U

CN216046068U - Hydraulic quick joint

Info

Publication number: CN216046068U
Application number: CN202121836839.0U
Authority: CN
Inventors: 楼仲宇; 楼焕银; 童超; 薛大伟
Original assignee: Zhejiang Songqiao Pneumatic And Hydraulic Co ltd
Current assignee: Zhejiang Songqiao Pneumatic And Hydraulic Co ltd
Priority date: 2021-08-07
Filing date: 2021-08-07
Publication date: 2022-03-15
Anticipated expiration: 2031-08-07

Abstract

The utility model relates to a connecting device capable of being quickly disassembled and assembled, in particular to a hydraulic quick connector. Hydraulic pressure quick-operation joint, including male joint and female joint, the male joint includes the plug, and plug inner wall middle part is equipped with disk seat an, and plug inner wall front portion is equipped with step form ring mouth, and the ring mouth is equipped with case a, is equipped with case spring an between disk seat a and the case a, and the female joint includes casing and overcoat, and the casing inner wall middle part is equipped with disk seat b, and the casing inner wall front portion is equipped with case b, and casing outer wall middle part is equipped with protruding circle, is equipped with the overcoat outside the protruding circle, overcoat welding rectangle piece. The utility model has the advantages that: novel structure, design benefit is simple and easy, and is more laborsaving during threaded connection, easier operation, and rectangle form screw thread, pitch are big connection speed is fast, and is more durable, has improved quick-operation joint's performance parameter, and processing is simple and easy, connects convenient and fast, intensity is high, resistant owes the nature good.

Description

Hydraulic quick joint

Technical Field

The utility model relates to a connecting device capable of being quickly disassembled and assembled, in particular to a hydraulic quick connector.

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, and the existing quick connector is inconvenient to install and can influence the use effect and the use safety of the quick connector.

Disclosure of Invention

In order to solve the technical problem of inconvenient installation, the utility model provides a hydraulic quick connector.

The technical scheme of the utility model is as follows:

the hydraulic quick connector comprises a male connector and a female connector, wherein the male connector comprises a plug, a valve seat a is arranged in the middle of the inner wall of the plug, a step-shaped annular opening is formed in the front portion of the inner wall of the plug, a valve core a is arranged in the annular opening, a valve core spring a is arranged between the valve seat a and the valve core a, a convex portion is arranged at the top of the valve core a, the diameter of the convex portion is increased from top to bottom, an inclined surface portion is arranged behind the convex portion and contacts with a convex equal inclined surface of the inner wall of the plug, a valve core O-shaped ring a is arranged in the concave portion of the inclined surface portion, a valve core b is arranged in the front portion of the inner wall of the shell, a valve core spring b is arranged between the valve seat b and the valve core b, a convex portion is arranged at the top of the valve core b, the diameter of the convex portion is increased from top to bottom, an inclined surface portion is arranged behind the convex equal inclined surface of the inclined surface portion and contacts with the convex equal inclined surface of the inner wall of the shell, a concave portion is provided with a valve core O-shaped ring b, a convex ring is arranged in the middle portion of the outer wall of the shell, an outer sleeve is arranged outside the convex ring, and the outer sleeve is welded with a rectangular block.

And a plug O-shaped ring and a plug plastic king are arranged on the inner wall of the front part of the inner wall of the plug.

And a valve seat retaining ring is arranged on the inner wall of the plug and is in contact with the valve seat a.

And an outer sleeve retainer ring is arranged between the outer sleeve and the shell.

The technical scheme of the utility model has the advantages of novel structure, ingenious and simple design, labor saving during threaded connection, easy operation, rectangular threads, large thread pitch, high connection speed, durability, improved performance parameters of the quick connector, simple processing, convenient and quick connection, high strength and good defacement resistance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIGS. 2 and 3 are schematic structural views of the female joint of the present invention;

fig. 3 is a schematic view of the structure of the male connector of the present invention.

Detailed Description

The utility model is further illustrated by the following figures and examples.

Examples

The hydraulic quick coupling shown in figures 1, 2 and 3 comprises a male coupling and a female coupling, the male coupling comprises a plug 2, a valve seat a is arranged in the middle of the inner wall of the plug 2, a step-shaped annular opening is arranged in the front of the inner wall of the plug 2, a valve core a is arranged in the annular opening, a valve core spring a10 is arranged between the valve seat a and the valve core a, a convex part is arranged at the top of the valve core a, the diameter of the convex part is increased from top to bottom, an inclined plane part is arranged behind the convex part and is contacted with a convex equal inclined plane of the inner wall of the plug, a valve core O-shaped ring a11 is arranged in a concave way on the inclined plane part, the female coupling comprises a shell 1 and an outer sleeve 3, a valve seat b5 is arranged in the middle of the inner wall of the shell 1, a valve core b4 is arranged in the front of the inner wall of the shell 1, a valve core spring b5 and a valve core b4 are arranged between the valve core b4, the convex equal inclined plane part is arranged on the top of the convex part, the convex equal inclined plane part of the convex part and is increased from top to bottom, the convex equal inclined plane part is arranged behind the inclined plane part, the concave way of the valve core b5, a convex ring is arranged in the middle of the outer wall of the shell 1, an outer sleeve 3 is arranged outside the convex ring, and the outer sleeve 3 is welded with a rectangular block.

And a plug O-shaped ring 6 and a plug plastic king 7 are arranged on the inner wall of the front part of the inner wall of the plug 2.

And a valve seat retaining ring 9 is arranged on the inner wall of the plug 2, and the valve seat retaining ring 9 is in contact with the valve seat a.

And an outer sleeve retainer ring 8 is arranged between the outer sleeve 3 and the shell 1.

During the use, 3 connectors of overcoat respectively with protruding circle, casing 1 contact, 3 inner walls of overcoat leave the clearance with protruding circle, be equipped with the holding port between fixed rectangular block and the casing 1 front portion, plug 2 inserts the holding port, the inboard junction of rectangular block is the arc, it is smooth and easy to use, do not hinder the hand, more laborsaving during threaded connection, easier operation, rectangle form screw thread, the big connection speed of pitch is fast, and is more durable, the convex part diameter of case an and case b4 grow from the front to the back, the runner area is big when pushing up like this, and there is the buffering of a bend to accelerate, no piecing sets up, the part has been reduced, and the cost is reduced, plug 2 and the anterior diameter of casing 1 inner wall rear portion diameter, plug 2 rear portion outer wall diameter is little, and convenient for operation.

It should be understood that the above-mentioned embodiments are merely preferred examples of the present invention, and not restrictive, but rather, all the changes, substitutions, alterations and modifications that come within the spirit and scope of the utility model as described above may be made by those skilled in the art, and all the changes, substitutions, alterations and modifications that fall within the scope of the appended claims should be construed as being included in the present invention.

Claims

1. Hydraulic pressure quick-operation joint, including male joint and female joint, its characterized in that: the male connector comprises a plug (2), a valve seat a is arranged in the middle of the inner wall of the plug (2), a step-shaped annular opening is arranged in the front of the inner wall of the plug (2), a valve core a is arranged on the annular opening, a valve core spring a (10) is arranged between the valve seat a and the valve core a, a convex part is arranged at the top of the valve core a, the diameter of the convex part is increased from top to bottom, an inclined plane part is arranged behind the convex part, the inclined plane part is in contact with a convex equal inclined plane on the inner wall of the plug, a valve core O-shaped ring a (11) is arranged in a concave manner on the inclined plane part, a female connector comprises a shell (1) and an outer sleeve (3), a valve seat b (5) is arranged in the middle of the inner wall of the shell (1), a valve core b (4) is arranged in the front of the inner wall of the shell (1), a valve core spring b is arranged between the valve seat b (5) and the valve core b (4), the convex part is arranged on the top of the valve core b (4), the diameter of the convex equal inclined plane part is increased from top to bottom, the convex portion behind the convex equal inclined plane part, the inclined plane portion is sunken to be equipped with case O type circle b, and casing (1) outer wall middle part is equipped with protruding circle, and protruding circle is equipped with overcoat (3) outward, and overcoat (3) welding rectangular block.

2. The hydraulic quick connector of claim 1, wherein: and a plug O-shaped ring (6) and a plug plastic king (7) are arranged on the inner wall of the front part of the inner wall of the plug (2).

3. The hydraulic quick connector of claim 1, wherein: and a valve seat retaining ring (9) is arranged on the inner wall of the plug (2), and the valve seat retaining ring (9) is in contact with the valve seat a.

4. The hydraulic quick connector of claim 1, wherein: and an outer sleeve retainer ring (8) is arranged between the outer sleeve (3) and the shell (1).