CN215674152U

CN215674152U - Quick connection liquid filling and collecting valve and connection structure

Info

Publication number: CN215674152U
Application number: CN202122185287.8U
Authority: CN
Inventors: 伍文勇; 何群赞; 毛智鑫; 浦相明; 何黎健
Original assignee: Jian Sanfitec Brass Industry Co ltd
Current assignee: Jian Sanfitec Brass Industry Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-01-28
Anticipated expiration: 2031-09-09

Abstract

The utility model provides a quick connection liquid filling and receiving valve and a connection structure, wherein the quick connection liquid filling and receiving valve comprises a first assembly, the first assembly comprises a valve body, a connector, a valve core, a first spring and a handle, the valve body is provided with a valve body channel penetrating through the upper end surface and the lower end surface, the connector is screwed on the upper part of the valve body, the valve core is positioned in the valve body channel, the first spring is arranged between the valve core and the connector, the handle is hinged outside the valve body, and the lower part of the handle is provided with a handle clamping part; the second subassembly, the second subassembly includes the loose joint nut, has seted up nut joint portion on the outer wall of loose joint nut, and the loose joint nut cup joints the valve body lower part, and the case extends to in the loose joint nut, stir the handle, and make handle joint portion joint nut joint portion is in order to realize first subassembly with the connection dismantled of second subassembly strengthens connection between them to prevent leaking, and pollute site environment to and realize the effect of practicing thrift.

Description

Quick connection liquid filling and collecting valve and connection structure

Technical Field

The utility model relates to the field of valves, in particular to a quick connection liquid filling and collecting valve and a connection structure.

Background

The liquid charging and receiving valve is a hydraulic control one-way valve, one direction of the valve is stopped, the other direction of the valve is freely circulated, the pilot action is realized by a control valve core of which the oil port supplies pressure by using hydraulic pressure, and a main valve is directly opened.

Taking the refrigerant generated by the transmission air conditioner as an example, the refrigerant is chlorofluorocarbon which can cause adverse effects on human health or environment, so that the liquid filling and receiving valve is required not to leak and loosen in the connection process, and the connection efficiency is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a quick connection liquid filling and receiving valve and a connection structure, which effectively improve the connection efficiency and prevent leakage.

According to one object of the present invention, there is provided a quick connect liquid fill and harvest valve comprising:

the valve body is provided with a valve body channel penetrating through the upper end surface and the lower end surface, the connector is in screwed connection with the upper part of the valve body, the valve core is positioned in the valve body channel, the first spring is arranged between the valve core and the connector, the handle is hinged outside the valve body, and the lower part of the handle is provided with a handle clamping part;

the second subassembly, the second subassembly includes the loose joint nut, nut joint portion has been seted up on the outer wall of loose joint nut, the loose joint nut cup joints in the valve body lower part, and the case extends to in the loose joint nut, stir the handle, and make handle joint portion joint nut joint portion is in order to realize first subassembly with the connection dismantled of second subassembly.

As a preferable technical scheme, the valve body channel comprises a first channel, a second channel and a third channel which are sequentially communicated from top to bottom, the second channel is conical, the cross-sectional area of the first channel is larger than the cross-sectional area of the third channel, and the cross-sectional area of the valve core head is matched with the cross-sectional area of the third channel.

Preferably, the first assembly further comprises a rivet and a second spring, the handle is hinged to the valve body through the rivet, and the second spring is located on the upper portion of the rivet and abuts between the valve body and the handle.

As an optimized technical scheme, the valve body comprises an upper valve body and a lower valve body which are sequentially connected, the area of the upper valve body is larger than that of the lower valve body, and the loose joint nut is sleeved on the lower valve body.

Preferably, the second assembly further comprises a bushing sleeved between the lower valve body and the union nut.

As the preferred technical scheme, the second subassembly still includes and compresses tightly cap and sealed the pad, compress tightly the cap with sealed the pad is located the upper and lower side of bush, wherein compress tightly the cap spiro union inside the loose joint nut, sealed the pad joint is in inside the loose joint nut.

As a preferred technical solution, the compressing cap and the sealing gasket are both annular, and the compressing cap is sleeved outside the lower valve body 112.

As the preferred technical scheme, an accommodating groove for accommodating the second spring is formed in the outer wall of the valve body.

As a preferred technical solution, the method further comprises:

a first seal member disposed about said cartridge head;

and the second sealing element is sleeved between the bushing and the lower valve body.

According to another object of the present invention, there is also provided a connection structure including the quick connect liquid fill and receive valve of the above embodiment, the connection structure further including:

a connection hose screwed to the joint;

the pipeline is provided with an ejector pin valve, and the ejector pin valve is in threaded connection with the lower portion of the loose joint nut and interacts with the valve core.

Compared with the prior art, the technical scheme has the following advantages:

first subassembly is connected coupling hose, the second subassembly is connected the pipeline, and passes through first subassembly with the connection dismantled of second subassembly, in order to realize coupling hose with the connection of pipeline, wherein first subassembly with the second subassembly still utilizes except cup jointing on the handle joint portion joint nut joint portion to strengthen connection between them, in order to prevent to leak, and pollute the site environment, and realize the effect of practicing thrift. In addition, the handle drives the handle clamping portion to be abutted or far away from the nut clamping portion in a pressing mode, so that the handle and the nut clamping portion are connected more quickly, conveniently and further the connection efficiency is improved.

The utility model is further described with reference to the following figures and examples.

Drawings

FIG. 1 is a cross-sectional view of a quick connect fluid fill and recovery valve according to the present invention;

FIG. 2 is a schematic structural view of a first assembly according to the present invention;

FIG. 3 is a cross-sectional view of the first assembly of the present invention;

FIG. 4 is a cross-sectional view of a second assembly according to the present invention;

FIG. 5 is an exploded view of the connection structure of the present invention;

fig. 6 is a schematic view of the connection structure of the present invention.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

As shown in fig. 1 to 4, the quick connect liquid filling and collecting valve includes:

the valve assembly comprises a first assembly 100, wherein the first assembly 100 comprises a valve body 110, a joint 120, a valve core 130, a first spring 140 and a handle 150, the valve body 110 is provided with a valve body channel 1100 penetrating through upper and lower end faces, the joint 120 is screwed on the upper part of the valve body 110, the valve core 130 is positioned in the valve body channel 1100, the first spring 140 is arranged between the valve core 130 and the joint 120, the handle 150 is hinged outside the valve body 110, and the lower part of the handle 150 is provided with a handle clamping part 151;

second subassembly 200, second subassembly 200 includes loose joint nut 210, nut joint portion 211 has been seted up on loose joint nut 210's the outer wall, loose joint nut 210 cup joints valve body 110 lower part, and case 130 extends to in the loose joint nut 210, stir handle 150, and make handle joint portion 151 joint nut joint portion 211, in order to realize first subassembly 100 with the connection can be dismantled of second subassembly 200.

First subassembly 100 is connected coupling hose 400, second subassembly 200 is connected pipeline 500, and pass through first subassembly 100 with the connection dismantled of second subassembly 200, in order to realize coupling hose 400 with pipeline 500's connection, wherein first subassembly 100 with second subassembly 200 has still utilized except cup jointing on the handle 150 handle joint portion 151 joint nut joint portion 211 to strengthen connection between them, in order to prevent to leak, and pollute the site environment, and realize the effect of practicing thrift. In addition, the handle 150 drives the handle clamping portion 151 to be abutted against or away from the nut clamping portion 211 in a pressing mode, so that the two parts are connected more quickly, conveniently and further the connection efficiency is improved.

The nipple 120 and the union nut 210 are axially pierced for the passage of liquid. Wherein the cross-section of the tail portion of the spool 130 is triangular. The joint 120 is a hexagonal joint.

As shown in fig. 3, the valve body passage 1100 includes a first passage 1101, a second passage 1102 and a third passage 1103 which are sequentially communicated from top to bottom, the second passage 1102 is tapered, the cross-sectional area of the first passage 1101 is larger than the cross-sectional area of the third passage 1103, and the cross-sectional area of the head of the spool 130 is matched with the cross-sectional area of the third passage 1103.

Specifically, when the quick connect liquid filling and collecting valve is assembled with the pipe 500, the needle valve 510 in the pipe 500 acts on the valve core 130 to move the valve core 130 upwards against the elastic force of the first spring 140, and move the head of the valve core 130 in the third channel 1103 into the first channel 1101, so as to open the third channel 1103, so as to allow the liquid to pass through the valve body channel 1100, thereby realizing the transmission of the liquid. When the quick connect fluid fill valve is not connected to the pipe 500, the head of the spool 130 is held in the third passage 1103 by the elastic force of the first spring 140 to close the valve body passage 1100.

As shown in fig. 1 and 3, the first assembly 100 further includes a rivet 160 and a second spring 170, the handle 150 is hinged to the valve body 110 by the rivet 160, and the second spring 170 is located at an upper portion of the rivet 160 and abuts between the valve body 110 and the handle 150.

Specifically, the handle 150 can rotate around the rivet 160, so that the handle catching portion 151 located at the lower portion of the handle 150 abuts against or is away from the nut catching portion 211. Through valve body 110 with set up between the handle 150 second spring 170 to the messenger presses during handle 150 upper portion, overcome second spring 170's elasticity drives handle joint portion 151 is kept away from nut joint portion 211, and when the external force was relieved, handle joint portion 151 is in the joint is in under second spring 170's the restoring force effect nut joint portion 211 is last, and it is firm to guarantee that connection between them is firm.

As shown in fig. 1 and 3, an accommodating groove 1111 for accommodating the second spring 170 is formed in an outer wall of the valve body 110. So that the second spring 170 is secured to the outer wall of the valve body 110.

As shown in fig. 1 and 3, the valve body 110 includes an upper valve body 111 and a lower valve body 112 connected in sequence, the area of the upper valve body 111 is larger than that of the lower valve body 112, and the union nut 210 is sleeved on the lower valve body 112.

With continued reference to fig. 3, the handle 150 is hinged to the upper valve body 111, and the handle clamping portion 151 is located at the lower portion of the upper valve body 111 and opposite to the lower valve body 112, so that when the union nut 210 is sleeved on the lower valve body 112, the handle clamping portion 151 can be clamped on the nut clamping portion 211.

As shown in fig. 1-4, the second assembly 200 further includes a bushing 220, the bushing 220 being disposed between the lower valve body 112 and the union nut 210. The bushing 220 may be made of copper.

Specifically, the second assembly 200 further includes a pressing cap 230 and a sealing gasket 240, the pressing cap 230 and the sealing gasket 240 are located on the upper and lower sides of the bushing 220, wherein the pressing cap 230 is screwed inside the union nut 210, and the sealing gasket 240 is clamped inside the union nut 210. The compression cap 230 and the seal 240 are used for fixing the bushing 220, wherein the compression cap 230 and the seal 240 are both annular and used for the valve element 130 to pass through, and the compression cap 230 is sleeved outside the lower valve body 112.

As shown in fig. 1, 3 and 4, the quick connect liquid filling and receiving valve further comprises:

a first sealing member 310, wherein the first sealing member 310 is sleeved outside the head part of the valve core 130;

a second seal 320, said second seal 320 being disposed between said bushing 220 and said lower valve body 112.

The first seal 310 and the second seal 320 are provided to raise a seal line therebetween, and the first seal 310 increases the sealability between the valve element 130 and the valve body 110, for example, the first seal 310. Wherein the first seal 310 and the second seal 320 are both O-rings.

To sum up, first subassembly 100 is connected coupling hose 400, second subassembly 200 is connected pipeline 500, and pass through first subassembly 100 with the connection dismantled of second subassembly 200, in order to realize coupling hose 400 with pipeline 500's connection, wherein first subassembly 100 with second subassembly 200 has still utilized except cup jointing on the handle 150 handle joint portion 151 joint nut joint portion 211 is in order to strengthen the connection between them, in order to prevent leaking, and pollute the site environment to and realize the effect of saving. In addition, the handle 150 drives the handle clamping portion 151 to be abutted against or away from the nut clamping portion 211 in a pressing mode, so that the two parts are connected more quickly, conveniently and further the connection efficiency is improved.

As shown in fig. 5 and 6, the connection structure, including the quick connection liquid filling and receiving valve of the above embodiment, further includes:

a connection hose 400, the connection hose 400 being screwed to the joint 120;

the pipeline 500 is provided with a needle-top valve 510, and the needle-top valve 510 is screwed on the lower part of the union nut 210 and interacts with the valve core 130.

The connecting structure adopts the quick-connection liquid filling and receiving valve of the embodiment, so the beneficial effects brought by the quick-connection liquid filling and receiving valve of the connecting structure refer to the embodiment.

The connection hose 400 is connected to a high-pressure charge tank, and the pipe 500 is provided with a needle-top valve 510, so that the liquid in the pipe 500 cannot pass through the needle-top valve 510, and only when the valve core 130 interacts with the needle-top valve 510, the valve core 130 and the needle-top valve 510 are communicated. For the convenience of storage, the first assembly 100 and the second assembly 100 are normally assembled together. The assembly method of the connecting structure comprises the following steps:

in the first step, the upper portion of the handle 150 is pressed to separate the first component 100 and the second component 200 by separating the handle clamping portion 151 from the nut clamping portion 211.

In a second step, the connection hose 400 is connected to the joint 120 of the first module 100.

Third, the needle top 510 is attached to the union nut 210 of the second assembly 200.

And fourthly, pressing the upper part of the handle 150, sleeving the union nut 210 at the lower part of the valve body 110, then loosening the handle 150 to enable the handle clamping part 151 at the lower part of the handle 150 to be clamped with the nut clamping part 211, and enabling the valve core 130 to interact with the ejector pin of the ejector pin valve 510, compressing the first spring 140 to open the channel, so that the liquid is transferred from the high-pressure end to the low-pressure end until the set balance is achieved.

Therefore, the connecting structure utilizes the quick-connection liquid filling and collecting valve to carry out quick connection, is stable in connection, and effectively prevents liquid from leaking to pollute the field environment and the like.

The above-mentioned embodiments are only for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the scope of the present invention is not limited by the embodiments, i.e. all equivalent changes or modifications made in the spirit of the present invention are still within the scope of the present invention.

Claims

1. A quick connect liquid fill and receive valve, comprising:

the valve assembly comprises a first assembly (100), the first assembly (100) comprises a valve body (110), a joint (120), a valve core (130), a first spring (140) and a handle (150), the valve body (110) is provided with a valve body channel (1100) penetrating through upper and lower end faces, the joint (120) is screwed on the upper part of the valve body (110), the valve core (130) is positioned in the valve body channel (1100), the first spring (140) is arranged between the valve core (130) and the joint (120), the handle (150) is hinged to the outer part of the valve body (110), and the lower part of the handle (150) is provided with a handle clamping part (151);

second subassembly (200), second subassembly (200) includes loose joint nut (210), nut joint portion (211) have been seted up on the outer wall of loose joint nut (210), loose joint nut (210) cup joint valve body (110) lower part, and case (130) extend to in loose joint nut (210), stir handle (150), and make handle joint portion (151) joint nut joint portion (211), in order to realize first subassembly (100) with the connection of dismantling of second subassembly (200).

2. The quick-connection liquid filling and receiving valve according to claim 1, wherein the valve body channel (1100) comprises a first channel (1101), a second channel (1102) and a third channel (1103) which are communicated in sequence from top to bottom, the second channel (1102) is tapered, the cross-sectional area of the first channel (1101) is larger than that of the third channel (1103), and the cross-sectional area of the head part of the valve core (130) is matched with that of the third channel (1103).

3. The quick connect liquid fill and recovery valve of claim 1, wherein said first assembly (100) further comprises a rivet (160) and a second spring (170), said handle (150) is hinged to said valve body (110) by said rivet (160), said second spring (170) is located at an upper portion of said rivet (160) and abuts between said valve body (110) and said handle (150).

4. The quick-connection liquid filling and receiving valve according to claim 1, wherein the valve body (110) comprises an upper valve body (111) and a lower valve body (112) which are connected in sequence, the area of the upper valve body (111) is larger than that of the lower valve body (112), and the union nut (210) is sleeved on the lower valve body (112).

5. The quick connect fluid fill valve of claim 4 wherein said second assembly (200) further comprises a bushing (220), said bushing (220) being disposed between said lower valve body (112) and said union nut (210).

6. The quick connect fluid fill and recovery valve of claim 5, wherein said second assembly (200) further comprises a compression cap (230) and a gasket (240), said compression cap (230) and said gasket (240) being located on the upper and lower sides of said bushing (220), wherein said compression cap (230) is threaded inside said union nut (210) and said gasket (240) is snapped inside said union nut (210).

7. The quick connect liquid charging and collecting valve according to claim 6, wherein the compressing cap (230) and the sealing gasket (240) are both annular, and the compressing cap (230) is sleeved outside the lower valve body (112).

8. The quick connect liquid filling and receiving valve as claimed in claim 3, wherein the outer wall of the valve body (110) is formed with a receiving groove (1111) for receiving the second spring (170).

9. The quick connect fluid fill valve of claim 5, further comprising:

a first sealing element (310), wherein the first sealing element (310) is sleeved outside the head part of the valve core (130);

a second seal (320), the second seal (320) being nested between the bushing (220) and the lower valve body (112).

10. A connection structure comprising the quick connect fluid fill valve of any one of claims 1 to 9, the connection structure further comprising:

a connection hose (400), the connection hose (400) being screwed to the joint (120);

the pipeline (500) is provided with a needle ejection valve (510), and the needle ejection valve (510) is screwed on the lower part of the union nut (210) and interacts with the valve core (130).