CN210830942U

CN210830942U - Novel quick connector

Info

Publication number: CN210830942U
Application number: CN201921664976.3U
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: 2020-06-23
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a quick assembly disassembly's connecting device, especially novel quick-operation joint. The novel 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, the valve seat A is in contact with a plug valve element, the inner wall of the plug is a smooth wall A, a sunken wall A, a smooth wall B, an inclined wall A and a smooth wall C from front to middle, the head of the plug valve element is in contact with the smooth wall A, rubber is arranged at the sunken part in the middle, the rubber is in contact with a joint, the smooth wall is inwards sunken between the head of the plug valve element and the middle, an inclined through hole is formed in the rear of the rubber, the inner wall of the rear part of the plug valve element is hollow, a valve seat spring A is arranged between the outer wall of the rear part of the plug valve element and the valve seat A, a retaining groove is formed in the outer wall of the plug, the female connector comprises a shell and an outer sleeve, a clamping, the front part of the shell is provided with steel balls which are connected with the outer sleeve, the outer sleeve is sleeved on the outer wall of the shell, and an outer sleeve spring is arranged between the outer sleeve and the shell. The utility model discloses an useful part: novel structure, design benefit, case structure can take the pressure work, and the inner wall is sealed to have the sealed effect of multilayer, has improved quick-operation joint's performance parameter, and intensity is high, the tolerance is good.

Description

Novel quick connector

Technical Field

The utility model relates to a quick assembly disassembly's connecting device, especially novel 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 comprises a female connector and a male connector. And part of joints can not work under pressure due to structural reasons, and influence exists.

Disclosure of Invention

In order to solve the technical problem that the above-mentioned work can't be pressed in area, the utility model provides a novel quick-operation joint.

The technical scheme of the utility model as follows:

the novel 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, the valve seat A is in contact with a plug valve element, the inner wall of the plug is a smooth wall A, a sunken wall A, a smooth wall B, an inclined wall A and a smooth wall C from front to middle, the head of the plug valve element is in contact with the smooth wall A, rubber is arranged at the sunken part in the middle, the rubber is in contact with a joint, the smooth wall is inwards sunken between the head of the plug valve element and the middle, an inclined through hole is formed in the rear of the rubber, the inner wall of the rear part of the plug valve element is hollow, a valve seat spring A is arranged between the outer wall of the rear part of the plug valve element and the valve seat A, a retaining groove is formed in the outer wall of the plug, the female connector comprises a shell and an outer sleeve, a clamping, the front part of the shell is provided with steel balls which are connected with the outer sleeve, the outer sleeve is sleeved on the outer wall of the shell, and an outer sleeve spring is arranged between the outer sleeve and the shell.

And a gasket is arranged on the outer wall of the shell.

Use the technical scheme of the utility model, novel structure, design benefit, case structure can take the pressure work, and the inner wall is sealed to have the sealed effect of multilayer, has improved quick-operation joint's performance parameter, and 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 view of the female fitting of the present invention;

fig. 3 is a schematic structural view of the male joint of the present invention.

Detailed Description

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

Examples

The quick coupling shown in fig. 1, 2 and 3 comprises a male coupling and a female coupling, the male coupling comprises a plug 2, a valve seat a5 is arranged in the middle of the inner wall of the plug 2, the valve seat a5 is in contact with a plug valve core 4, the inner wall of the plug 2 is a smooth wall a16, a sunken wall a17, a smooth wall B18, an inclined wall a19 and a smooth wall C20 from front to middle, the head of the plug valve core 4 is in contact with the smooth wall a16, rubber is arranged in the sunken part of the middle and is in contact with the joint, the smooth wall is inwards sunken between the head and the middle of the plug valve core 4, an inclined through hole is arranged behind the rubber, a hollowed inner wall at the rear of the plug valve core 4, a valve seat spring a is arranged between the outer wall at the rear of the plug valve core 4 and the valve seat a5, a backstop groove is arranged on the outer wall of the plug 2, the female coupling comprises a housing 1 and an outer sleeve 3, a valve core spring B12 is arranged between the valve seat B and the valve core B, a steel ball 8 is arranged at the front part of the shell 1, the steel ball 8 is connected with the outer sleeve 3, the outer sleeve 3 is sleeved on the outer wall of the shell 1, and an outer sleeve spring 9 is arranged between the outer sleeve 3 and the shell 1.

And a gasket 15 is arranged on the outer wall of the shell 1.

When the plug valve core 4 is used, the end face of the plug valve core 4 is flat, the outer inclined plane of the end face is exposed, the outer wall of the front end of the plug valve core 4 is in contact with the smooth wall A16 for primary sealing, the inclined wall A19 is sealed for the second time, the concave wall A17 at the rear part of the end face is used for increasing the flow channel area, the flow channel sequentially flows to the inclined wall A19, the smooth wall B18, the concave wall A17 and the smooth wall A16 from the inclined through hole of the plug valve core 4, the flow channel is bent, and the flow speed is high.

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. Novel quick-operation joint, including male joint and female joint, its characterized in that: the male joint comprises a plug (2), a valve seat A (5) is arranged in the middle of the inner wall of the plug (2), the valve seat A (5) is in contact with a plug valve core (4), the inner wall of the plug (2) is a smooth wall A (16), a sunken wall A (17), a smooth wall B (18), an inclined wall A (19) and a smooth wall C (20) from front to middle, the head of the plug valve core (4) is in contact with the smooth wall A (16), rubber is arranged at the sunken part of the middle part and is in contact with a joint, the smooth wall is inwards sunken between the head and the middle part of the plug valve core (4), an inclined through hole is formed in the rear part of the rubber, the inner wall of the rear part of the plug valve core (4) is hollowed, a valve seat spring A is arranged between the outer wall of the rear part of the plug valve core (4) and the valve seat A (5), a backstop groove is formed in, the clamping head is provided with a shell valve core 14 in a clamping mode, a valve seat B is arranged on the inner wall of the shell (1), the valve seat B is in contact with the valve core B, a valve core spring B (12) is arranged between the valve seat B and the valve core B, a steel ball (8) is arranged on the front portion of the shell (1), the steel ball (8) is connected with an outer sleeve (3), the outer sleeve (3) is sleeved on the outer wall of the shell (1), and an outer sleeve spring (9) is arranged between the outer sleeve (3) and.

2. The new quick connector as claimed in claim 1, characterized in that: and a gasket (15) is arranged on the outer wall of the shell (1).