CN115289251A

CN115289251A - Insert formula check valve soon

Info

Publication number: CN115289251A
Application number: CN202210859648.9A
Authority: CN
Inventors: 代长顺; 郑青勇; 李玉侠; 汪结; 牛营凯
Original assignee: Anhui Bocheng Automobile Parts Co ltd
Current assignee: Anhui Bocheng Automobile Parts Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-11-04

Abstract

The invention provides a quick-insert type check valve which comprises a valve body, wherein a quick-insert connector is inserted in the valve body, the quick-insert connector and the front end of the valve body are fixed through a nut seat, the front end of the quick-insert connector is exposed out of the valve body, a check valve core is arranged at the rear end of the quick-insert connector, the check valve core is sealed with a valve cavity of the valve body through a valve core guiding and sealing mechanism, a quick-insert positioning buckle is encircled between the valve core guiding and sealing mechanism and the nut seat, and the check valve core is connected with the valve cavity of the valve body through a spring. After the valve body and other components of the quick-insertion one-way valve are assembled and the quick-insertion connector is assembled, the one-way valve is opened and ventilated; the closing function of the one-way valve is realized when the quick connector is not assembled; the valve core guiding and sealing mechanism is provided with a straight groove, so that the functions of assembly, effective sealing and guiding can be realized.

Description

Insert formula check valve soon

Technical Field

The invention relates to the technical field of automobile parts, in particular to a quick-insertion type one-way valve.

Background

A check valve is a directional control valve in which the flow of air is only in one direction and not in the opposite direction. The check valve is also often combined with a throttle valve, a sequence valve, etc. to form a check throttle valve and a check sequence valve. The check valve has a wide variety of applications, and is very commonly applied to various pneumatic devices. Because the check valve needs to be frequently switched on and off in use and is often butted and exchanged with various gas-using equipment, the interface needs to be unscrewed when the existing check valve is disassembled, and the adjustment and the replacement are very troublesome; along with the continuous development of automobile technology, the requirements on the integrated design of automobile parts are more and more, and the integrated modular design can enable the whole automobile to become more rapid and convenient. There is therefore a need for an improved pneumatic check valve arrangement.

Therefore, a quick-insertion type check valve is provided to achieve the purpose.

Disclosure of Invention

The problem that exists to current technical scheme. The invention aims to provide a quick-insertion type one-way valve.

In order to realize the purpose, the invention provides the following technical scheme:

the utility model provides a fast formula check valve of inserting, includes the valve body, the quick connector of pegging graft in the valve body, quick connector and valve body front end are fixed through the nut seat, and the valve body is exposed to quick connector front end, and quick connector rear end is equipped with the check valve core, and the check valve core passes through the valve pocket seal of case direction sealing mechanism and valve body, encircles between case direction sealing mechanism and the nut seat and inserts the location buckle soon, passes through spring coupling between the valve pocket of check valve core and valve body.

As a further improvement of the scheme, the one-way valve element and the valve element guiding and sealing mechanism are sealed in a surrounding mode through an O-shaped sealing ring II.

As a further improvement of the scheme, the fast inserting positioning buckle and the valve core guiding and sealing mechanism are sealed in a surrounding mode through an O-shaped sealing ring III.

As a further improvement of the scheme, the valve body and the nut seat are sealed through an O-shaped sealing ring IV.

As a further improvement of the scheme, the contact point of the quick connector and the nut seat is sealed by an O-shaped sealing ring V.

As a further improvement of the scheme, a dustproof ring is arranged between the quick connector and the nut seat.

As a further improvement of the scheme, an O-shaped sealing ring I is arranged at the air outlet end outside the valve body.

As a further improvement of the scheme, the end part of the quick-insertion positioning buckle is provided with a clamping jaw.

As a further improvement of the scheme, a linear groove is formed in the valve core guiding and sealing mechanism and used for assembling and positioning.

As a further improvement of the scheme, the one-way valve core moves downwards when the quick connector is assembled, and the opening of the one-way valve is realized.

Compared with the prior art, the invention has the beneficial effects that: the check valve realizes the function of one-way communication of gas while realizing quick assembly of the connector, and after the valve body of the quick-insertion check valve and other components are assembled and the quick-insertion connector is assembled, the check valve realizes an opening and ventilation state; the closing function of the one-way valve is realized when the quick connector is not assembled; the quick plug connector and the quick plug positioning buckle are assembled to realize the positioning function of the quick plug connector; the valve core guiding and sealing mechanism is provided with a straight groove, so that the functions of assembly, effective sealing and guiding can be realized.

Drawings

The invention is further described below with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the overall front view structure of the present invention;

FIG. 3 is a schematic view of the overall structure of the valve body of the present invention;

FIG. 4 is a schematic view of the one-way valve cartridge assembly of the present invention;

FIG. 5 is a schematic view of the quick-connect positioning fastener structure of the present invention;

fig. 6 is a schematic structural view of the valve core guiding and sealing mechanism of the invention.

The mark in the figure is 1, valve body; 2. an O-shaped sealing ring I; 3. a spring; 4. a one-way valve core; 5. an O-shaped sealing ring II; 6. a valve core guide sealing mechanism; 61-straight groove; 7. o-shaped seal ring III; 8. quickly inserting a positioning buckle; 9. an O-shaped sealing ring IV; 10. a nut seat; 11. an O-shaped sealing ring V; 12. a dust ring; 13. a quick connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 5, this embodiment provides a quick-insert check valve, which includes a valve body 1, a quick connector 13 is inserted into the valve body 1, the quick connector 13 and the front end of the valve body 1 are fixed by a nut seat 10, the front end of the quick connector 13 is exposed out of the valve body 1, a check valve core 4 is arranged at the rear end of the quick connector 13, the check valve core 4 is sealed with a valve cavity of the valve body 1 by a valve core guide sealing mechanism 6, a quick-insert positioning buckle 8 is surrounded between the valve core guide sealing mechanism 6 and the nut seat 10, and the check valve core 4 is connected with the valve cavity of the valve body 1 by a spring 3.

After the quick connector 13 is inserted into the valve body 1, the opening ventilation state is realized, and the closing function of the one-way valve is realized when the quick connector 13 is not assembled; the quick plug 13 and the quick plug positioning buckle 8 are assembled to realize the positioning function of the quick plug; the valve core guiding and sealing mechanism 6 is provided with a straight groove 61 to realize the functions of assembly, effective sealing and guiding.

Example 2

The structure of this embodiment is substantially the same as that of embodiment 1, and the only difference is that the structure of this embodiment is further optimized on the basis of embodiment 1, specifically, the one-way valve element 4 and the valve element guide sealing mechanism 6 are sealed by surrounding with an O-ring seal ii 5. The fast inserting positioning buckle 8 and the valve core guiding sealing mechanism 6 are sealed in a surrounding mode through an O-shaped sealing ring III 7, and the valve body 1 and the nut seat 10 are sealed through an O-shaped sealing ring IV 9. The contact point of the quick-plug connector 13 and the nut seat 10 is sealed by an O-shaped sealing ring V11. The contact part is thoroughly sealed by the sealing ring, and the air-tight sealing performance of the valve body is improved.

Example 3

The structure of this embodiment is substantially the same as that of embodiment 1, and the only difference is that this embodiment further optimizes the structure on the basis of embodiment 1, specifically, a dust ring 12 is further provided between the quick connector 13 and the nut seat 10, the dust ring 12 prevents the nut seat 10 from loosening and displacing, and meanwhile, the dust ring 12 prevents dust from entering the brake pipeline system when the product is used, which affects the product performance and can reduce the dust entering.

Example 4

The structure of this embodiment is substantially the same as that of embodiment 1, and the only difference is that the structure is further optimized on the basis of embodiment 1 in this embodiment, specifically, an O-ring seal i 2 is provided at the air outlet end outside the valve body 1. The valve body and the external pipeline are connected to realize sealing, and the effect of closing the valve body is achieved.

Example 5

The structure of this embodiment is substantially the same as that of embodiment 1, and the only difference is that this embodiment further optimizes the structure on the basis of embodiment 1, and specifically, the end of the quick-insertion positioning buckle 8 is provided with a claw 81. The claws 81 make the positioning and assembling of the quick-connect connector more reliable.

Example 6

The structure of this embodiment is basically the same as that of embodiment 1, and the only difference is that the structure is further optimized in this embodiment on the basis of embodiment 1, specifically, a linear groove is formed outside the valve core guide sealing mechanism 6, and is used for assembly and positioning, and the check valve core 4 moves downward when the quick connector 13 is assembled, so as to realize the opening of the check valve. The valve core guiding and sealing mechanism has a guiding function when the check valve is opened, and is provided with a straight groove, so that the valve core guiding and sealing mechanism is convenient to assemble and position.

The foregoing is merely illustrative of the structure of the invention and various modifications, additions or substitutions of the specific embodiments described may be made by those skilled in the art without departing from the structure or scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a fast formula check valve of inserting, includes valve body (1), a serial communication port, peg graft fast connector (13) in valve body (1), fast connector (13) and valve body (1) front end are fixed through nut seat (10), fast connector (13) front end exposes valve body (1), fast connector (13) rear end is equipped with check valve core (4), check valve core (4) are sealed through the valve pocket of case direction sealing mechanism (6) and valve body (1), encircle between case direction sealing mechanism (6) and nut seat (10) and insert location buckle (8) soon, connect through spring (3) between the valve pocket of check valve core (4) and valve body (1).

2. The quick-insert one-way valve according to claim 1, wherein the one-way valve element (4) and the valve element guide sealing mechanism (6) are sealed in a surrounding manner by an O-shaped sealing ring II (5).

3. The quick-insertion type check valve as claimed in claim 1, wherein the quick-insertion positioning buckle (8) and the valve core guiding and sealing mechanism (6) are sealed in a surrounding manner through an O-shaped sealing ring III (7).

4. A quick-insert one-way valve according to claim 1, wherein the valve body (1) and the nut seat (10) are sealed by an O-ring seal (iv 9).

5. The quick-insert one-way valve according to claim 1, wherein the contact point of the quick-insert connector (13) and the nut seat (10) is sealed by an O-ring seal (v 11).

6. A quick-insert one-way valve according to claim 1, wherein a dust ring (12) is further provided between the quick-insert connector (13) and the nut seat (10).

7. A quick-insert one-way valve according to claim 1, wherein the air outlet end outside the valve body (1) is provided with an O-ring seal i (2).

8. A quick-insert one-way valve according to claim 1, wherein the end of the quick-insert positioning catch (8) is provided with a pawl (81).

9. A quick-insert one-way valve according to claim 1, wherein the valve core guiding and sealing mechanism (6) is internally provided with a straight groove (61), and the straight groove (61) is used for assembling and positioning.

10. The quick-insert check valve as claimed in claim 1, characterized in that the check valve element (4) descends during assembly of the quick connector (13) to effect opening of the check valve.