CN211821230U

CN211821230U - Quick coupling

Info

Publication number: CN211821230U
Application number: CN201921665796.7U
Authority: CN
Inventors: 楼仲宇; 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: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-10-30
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a quick assembly disassembly's connecting device, especially quick-operation joint. Quick-operation joint, including male joint and female joint, the male joint includes the plug, plug rear portion outer wall cover is equipped with the plug and connects the body, the plug front portion is equipped with bayonet socket A, steel ball case A and domatic contact, be equipped with case spring A between steel ball case A and the plug connects the internal wall, the plug connects the body and is equipped with plug position sleeve spring collar with plug outer wall contact department, the plug outer wall is equipped with the plug position sleeve, plug position sleeve front portion is equipped with set screw, female joint includes casing and overcoat, casing outer wall cover has the overcoat, the fixed disk seat B that is equipped with in casing inner wall rear portion, the casing front portion is equipped with bayonet socket B, be equipped with steel ball case B in the bayonet socket B. The utility model discloses an useful part: the ball valve is simple in design, easy to machine, better in sealing performance under high pressure, and the plug is inserted and locked by the meshing of the plug positioning sleeve, the outer sleeve teeth and the teeth, so that the ball valve is more stable.

Description

Quick coupling

Technical Field

The utility model relates to a quick assembly disassembly's connecting device, especially 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 consists of a female connector and a male connector, and is locked by steel balls at present, so that the quick connector is easy to loosen by vibration.

Disclosure of Invention

In order to solve the technical problem that the above-mentioned steel ball locking vibrates easily and becomes flexible, the utility model provides a quick-operation joint.

The technical scheme of the utility model as follows:

the quick connector comprises a male connector and a female connector, the male connector comprises a plug, the outer wall of the rear part of the plug is sleeved with a plug connector body, a gap is arranged between the outer wall of the front part of the plug connector body and the inner wall of the plug, the front part of the plug is provided with a bayonet A which is a slope surface and a smooth surface from inside to outside, a steel ball valve core A is arranged in the bayonet A and is contacted with the slope surface, a valve core spring A is arranged between the steel ball valve core A and the inner wall of the plug connector body, a through hole penetrates through the front part of the plug connector body, a plug positioning sleeve spring retaining ring is arranged at the contact part of the plug connector body and the outer wall of the plug, the outer wall of the plug is provided with a plug positioning sleeve, a plug positioning sleeve spring is arranged between the plug positioning sleeve spring retaining ring and the plug positioning sleeve, the front part of the plug positioning sleeve, the front part of the shell is provided with a bayonet B, a steel ball valve core B is arranged in the bayonet B, a valve core spring B is arranged between the valve seat B and the steel ball valve core B, and teeth are arranged at the end parts of the plug positioning sleeve and the outer sleeve.

Use the technical scheme of the utility model, novel structure, the ball valve design is simple, and processing is simple and easy, and the leakproofness is better under the high pressure, and the plug inserts, through the meshing locking of plug position sleeve and overcoat tooth and tooth, more firm, has improved quick-operation joint's performance parameter, connects convenient and fast, intensity is high, resistant owes the nature good.

Drawings

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

FIG. 2 is a schematic structural view of the male connector of the present invention;

FIG. 3 is a schematic view of the female fitting of the present invention;

fig. 4, 5, 6, 7, and 8 are schematic structural diagrams of embodiments of the present invention.

Detailed Description

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

Examples

The quick connector shown in figures 1, 2, 3, 4, 5, 6, 7 and 8 comprises a male connector and a female connector, wherein the male connector comprises a plug 2, the outer wall of the rear part of the plug 2 is sleeved with a plug connector body 3, a gap is arranged between the outer wall of the front part of the plug connector body 3 and the inner wall of the plug 2, the front part of the plug 2 is provided with a bayonet A, the bayonet A is a slope surface and a smooth surface from inside to outside, a steel ball valve core A is arranged in the bayonet A and is contacted with the slope surface, a valve core spring A10 is arranged between the steel ball valve core A and the inner wall of the plug connector body 3, the front part of the plug connector body 3 penetrates through a through hole, the contact part of the plug connector body 3 and the outer wall of the plug 2 is provided with a plug positioning sleeve spring retainer ring 11, the outer wall of the plug 2 is provided with a plug positioning sleeve 9, a plug positioning, the female joint comprises a shell 1 and an outer sleeve 5, a shell joint body 4 is sleeved on the outer wall of the rear portion of the shell 1, the outer wall of the shell 1 is sleeved with the outer sleeve 5, a valve seat B is fixedly arranged on the rear portion of the inner wall of the shell 1, a bayonet B is arranged on the front portion of the shell 1, a steel ball valve core B14 is arranged in the bayonet B, a valve core spring B is arranged between the valve seat B and the steel ball valve core B14, and teeth are arranged on a. The teeth are uniformly distributed, and the teeth are provided with vertical surfaces and inclined surfaces and are firmly fixed.

And a shell O-shaped ring 6 and a shell plastic king 7 are arranged at the sunken part of the inner wall of the shell 1.

And a joint body O-shaped ring B is arranged between the shell 1 and the shell joint body 4.

When the ball valve is used, the ball valve is simple in design, easy to machine and better in sealing performance under high pressure, the steel ball valve core A and the steel ball valve core B14 are pushed to open a flow channel, and the ball valve is locked by the engagement of the plug positioning sleeve, the outer sleeve teeth and the teeth, so that the ball valve is more stable.

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. Quick-operation joint, including male joint and female joint, its characterized in that: the male connector comprises a plug (2), a plug connector body (3) is sleeved on the outer wall of the rear portion of the plug (2), a gap is formed between the outer wall of the front portion of the plug connector body (3) and the inner wall of the plug (2), a bayonet A is arranged on the front portion of the plug (2) and is a slope surface and a smooth surface from inside to outside, a steel ball valve core A is arranged in the bayonet A and is in contact with the slope surface, a valve core spring A (10) is arranged between the steel ball valve core A and the inner wall of the plug connector body (3), a through hole penetrates through the front portion of the plug connector body (3), a plug positioning sleeve spring retainer ring (11) is arranged at the contact position of the plug connector body (3) and the outer wall of the plug (2), a plug positioning sleeve (9) is arranged on the outer wall of the plug (2), a plug positioning sleeve spring (12) is arranged between the plug positioning sleeve spring retainer, the female joint comprises a shell (1) and an outer sleeve (5), a shell joint body (4) is sleeved on the outer wall of the rear portion of the shell (1), the outer wall of the shell (1) is sleeved with the outer sleeve (5), a valve seat B is fixedly arranged on the rear portion of the inner wall of the shell (1), a bayonet B is arranged on the front portion of the shell (1), a steel ball valve core B (14) is arranged in the bayonet B, a valve core spring B is arranged between the valve seat B and the steel ball valve core B (14), and teeth are arranged on the end portions.

2. The quick connector of claim 1, wherein: a shell O-shaped ring (6) and a shell plastic king (7) are arranged at a concave position of the inner wall of the shell (1).

3. The quick connector of claim 1, wherein: and a joint body O-shaped ring B is arranged between the shell (1) and the shell joint body (4).