CN216555867U

CN216555867U - Novel quick coupling

Info

Publication number: CN216555867U
Application number: CN202121836856.4U
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: 2022-05-17
Anticipated expiration: 2031-08-07

Abstract

The utility model relates to the field of industrial joints, in particular to a novel quick joint. Novel quick-operation joint, including male joint and female joint, the male joint includes the plug, link up in the middle of the plug, the plug front portion is equipped with the stopping groove, the stopping groove has one side to be the arc, the another side is the inclined plane, the female joint includes casing and overcoat, casing rear portion cover is equipped with the casing joint body, casing and casing joint body outer wall cover have the overcoat, casing and casing joint body junction card are equipped with the valve barrel, be equipped with the case in the valve barrel, the anterior outer wall of case is equipped with the arch, protruding and shells inner wall contact, be equipped with the case spring between case front portion and the valve barrel, the case rear portion is equipped with the through-hole, through-hole and valve barrel contact. The utility model has the advantages that: novel structure, design benefit, plug inner wall pipeline, no valve seat valve core, inner wall back end diameter are greater than the anterior segment diameter, and flow area is big, and is smooth, and stopping groove cross section is arc and inclined plane, distinguishes separately, provides multiple selection, connects convenient and fast, intensity is high, safe and reliable.

Description

Novel quick connector

Technical Field

The utility model relates to the field of industrial joints, in particular to a novel quick joint.

Background

The quick joint comprises a hydraulic quick joint and various fluid quick joints, and is a special device for quickly connecting or disconnecting pipelines to realize quick assembly and disassembly. Because it can be quickly inserted and pulled out, it can be used in the fields of building, railway, hydraulic machines and tools for industrial and mining, petroleum, metallurgy, hydroelectric power, ship and electromechanical equipment, etc. 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 socket and a plug, wherein a group of steel balls are uniformly distributed on the circumference of a socket body in the conventional quick connector connection, and the radial position of the circle center of the steel balls uniformly distributed on the circumference of the socket body is changed by moving an outer sleeve lock to realize locking or plug withdrawal. When the plug needs to be inserted into the socket, the outer sleeve is pushed to push the plug into the socket, the outer sleeve is loosened after the plug is inserted, the outer sleeve is restored to the original position through the internal spring to lock the plug, and the pipeline is disconnected. The product has complex structure and high manufacturing cost, influences the use effect and the use safety of the quick joint, and sometimes provides diversity for similar products.

Disclosure of Invention

In order to solve the technical problems of complex structure, high manufacturing cost and diversity of the product, the utility model provides a novel quick connector.

The technical scheme of the utility model is as follows:

the novel quick connector comprises a male connector and a female connector, wherein the male connector comprises a plug, the middle of the plug is communicated, the diameter of the front section of the inner wall of the plug is smaller than that of the rear section, the joint of the front section of the inner wall and the rear section of the inner wall is an inclined plane, the front section of the inner wall and the rear section of the inner wall are smooth, a backstop groove is arranged at the front part of the plug, one side of the backstop groove is arc-shaped, the other side of the backstop groove is an inclined plane, the female connector comprises a shell and an outer sleeve, a shell connector body is sleeved at the rear part of the shell, the outer wall of the shell and the outer wall of the shell connector body are sleeved with the outer sleeve, a valve sleeve is clamped at the joint of the shell and the shell connector body, a valve core is arranged in the valve sleeve, a bulge is arranged on the outer wall of the front part of the valve core and is in contact with the inner wall of the shell, a valve core spring is arranged between the front part of the valve core and the valve sleeve, a through hole is in contact with the valve sleeve, a steel ball is arranged at the front part of the shell in a sunken groove, the concave groove is internally provided with a valve core O-shaped ring A.

And a valve core O-shaped ring A is arranged on the inner wall of the front part of the valve core.

And the inner wall of the valve sleeve is provided with a valve sleeve O-shaped ring.

And a valve core O-shaped ring B is arranged at the rear part of the valve sleeve and is in contact with the valve sleeve.

The technical scheme of the utility model has the advantages of novel structure, ingenious design, no valve seat valve core on the inner wall pipeline of the plug, reduced cost, larger diameter of the rear section of the inner wall than that of the front section, large flow passage area, smoothness, and separation of the cross section of the retaining groove from the inclined plane, provides multiple choices, and has convenient and quick connection, high strength, safety and reliability.

Drawings

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

FIG. 2 is a schematic view of the structure of the female joint of the present invention.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the drawings.

Examples

The novel quick coupling shown in fig. 1 and 2 comprises a male coupling and a female coupling, wherein the male coupling comprises a plug 2, the middle of the plug 2 is through, the diameter of the front section of the inner wall of the plug 2 is smaller than that of the rear section, the joint of the front section of the inner wall and the rear section of the inner wall is an inclined plane, the front section of the inner wall and the rear section of the inner wall are smooth, the front part of the plug 2 is provided with a backstop groove, one side of the backstop groove is arc-shaped, the other side of the backstop groove is inclined plane, the style diversity is provided, the female coupling comprises a shell 1 and an outer sleeve 3, the rear part of the shell 1 is sleeved with a shell joint body 12, the outer sleeve 3 is sleeved on the outer walls of the shell 1 and the shell joint body 12, the joint of the shell 1 and the shell joint body 12 is clamped with a valve sleeve 10, the valve core 4 is arranged in the valve sleeve 10, the outer wall of the front part of the valve core 4 is provided with a bulge, the bulge is in contact with the inner wall of the shell 1, a valve core spring 8 is arranged between the front part of the valve core 4 and the rear part of the valve sleeve 10, a through hole is arranged in contact with the valve sleeve 10, the front part of the shell 1 is sunken to be provided with a steel ball 5, the steel ball 5 is connected with the outer sleeve 3, the steel ball 5 is in front contact with the valve element 4, the front end of the valve element 4 is provided with a sunken groove, and the sunken groove is internally provided with a valve element O-shaped ring A7, so that the sealing effect is improved, and the processing is convenient.

And a valve core O-shaped ring A7 is arranged on the inner wall of the front part of the valve core 4.

The inner wall of the valve sleeve 10 is provided with a valve sleeve O-shaped ring 9.

The valve sleeve 10 is provided with a valve core O-ring B11 at the rear part, and the valve core O11 is contacted with the valve sleeve 10.

During the use, plug 1 middle part outer wall is equipped with the hexagon, and convenient operation is laborsaving during the connection, and stopping groove front portion is equipped with the sunken mouth, inserts the case, and sunken mouth and the anterior inner wall contact of case 4, case O type circle A7 promotion sealing action on the anterior inner wall, case 4 backward movement, and valve barrel 10 is kept away from to the through-hole, and the runner is opened, and plug 1 inner wall pipeline does not have the disk seat case, and inner wall diameter rear portion is bigger than the front portion, and the runner area is big, and is smooth.

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. Novel quick-operation joint, including male joint and female joint, its characterized in that: the male connector comprises a plug (2), the middle of the plug (2) is communicated, the diameter of the front section of the inner wall of the plug (2) is smaller than that of the rear section, the joint of the front section of the inner wall and the rear section of the inner wall is an inclined plane, the front part of the plug (2) is provided with a backstop groove, one side of the backstop groove is arc-shaped, the other side of the backstop groove is an inclined plane, the female connector comprises a shell (1) and an outer sleeve (3), the rear part of the shell (1) is sleeved with a shell connector body (12), the outer walls of the shell (1) and the shell connector body (12) are sleeved with the outer sleeve (3), the joint of the shell (1) and the shell connector body (12) is clamped with a valve sleeve (10), a valve core (4) is arranged in the valve sleeve (10), the outer wall of the front part of the valve core (4) is provided with a bulge, the bulge is contacted with the inner wall of the shell (1), a valve core spring (8) is arranged between the front part of the valve core (4) and the valve sleeve (10), the rear part of the valve core (4) is provided with a through hole, the through hole is contacted with the valve sleeve (10), a steel ball (5) is arranged in the front of the shell (1) in a sunken mode, the steel ball (5) is connected with the outer sleeve (3), the steel ball (5) is contacted with the front of the valve core (4), the diameter of the inner wall of the front end of the valve core (4) is larger than that of the middle of the valve core, a sunken groove is formed in the front end of the valve core (4), and a valve core O-shaped ring A (7) is arranged in the sunken groove.

2. The new quick connector as claimed in claim 1, characterized in that: and a valve core O-shaped ring A (7) is arranged on the inner wall of the front part of the valve core (4).

3. The new quick connector as claimed in claim 1, characterized in that: and a valve sleeve O-shaped ring (9) is arranged on the inner wall of the valve sleeve (10).

4. The new quick coupling of claim 1, wherein: the rear part of the valve sleeve (10) is provided with a valve core O-shaped ring B (11), and the valve core O-shaped ring B (11) is contacted with the valve sleeve (10).