CN219300024U

CN219300024U - Valve head and valve device

Info

Publication number: CN219300024U
Application number: CN202223554266.XU
Authority: CN
Inventors: 罗庭剑
Original assignee: Guangdong Shuihudun Health Technology Co Ltd
Current assignee: Guangdong Shuihudun Health Technology Co Ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-07-04
Anticipated expiration: 2032-12-28

Abstract

The present utility model relates to a valve head and a valve device having the same. The valve head of the utility model comprises: a valve head body having a receiving cavity, the valve head body further provided with a sealing port in communication with the receiving cavity; the valve head cover is covered at the sealing opening, part of the valve head cover is positioned in the accommodating cavity and fixedly connected with the valve head main body, and the valve head cover is provided with air holes communicated with the accommodating cavity.

Description

Valve head and valve device

Technical Field

The present utility model relates to valve devices, and more particularly to a valve head and a valve device having the same.

Background

Applicant filed a chinese patent application number CN202223217794.6, which claims an isolation assembly, the isolation device comprising: the valve body is provided with a movable channel, a through hole is formed in the periphery of the lower end of the movable channel, and the through hole is communicated with the movable channel; the valve is arranged on the movable channel in a sliding way and is provided with a first working position and a second working position on the valve body; the baffle is arranged at the lower end of the valve and props against the lower end face of the movable channel; when the valve is in a first working position, the upper port of the movable channel is opened, and the baffle abuts against the lower end surface of the movable channel; when the valve is in the second working position, the valve closes the upper port of the movable channel.

In order to improve the tightness between the valve and the valve body, a first magnetic attraction piece is arranged in the valve, a second magnetic attraction piece is arranged in the valve body, and the first magnetic attraction piece and the second magnetic attraction piece attract each other, so that the valve can further extrude the sealing ring. In order to mount the magnetic attraction piece in the valve and improve the yield of the valve on the basis, the applicant specially designs a valve head.

Disclosure of Invention

Based on this, it is an object of the present utility model to provide a valve head and a valve device having the valve head.

A valve head, the valve head comprising: a valve head body having a receiving cavity, the valve head body further provided with a sealing port in communication with the receiving cavity; the valve head cover is covered at the sealing opening, part of the valve head cover is positioned in the accommodating cavity and fixedly connected with the valve head main body, and the valve head cover is provided with air holes communicated with the accommodating cavity.

Further, the valve head cover is fixedly connected to the valve head main body in a manner of glue spraying, ultrasonic welding, thermal welding or spin welding.

Further, the air holes are formed in the middle of the valve head cover.

Further, the bottom of the valve cover is provided with a lug, the lug is placed in the accommodating cavity, and the lug is matched with the inner peripheral wall of the accommodating cavity.

Further, a groove is recessed at the sealing opening, the opening of the accommodating cavity is arranged on the bottom surface of the groove, the protruding block is matched with the groove, and the protruding block is located in the groove.

Further, the valve head body is located within an orthographic projection range of the valve head cover toward the valve head body.

Further, the axis of the valve head body and the axis of the valve head cover are positioned on the same straight line, the outer diameter of the valve head cover is larger than that of the valve head body, and the sealing opening is completely attached to the valve head cover.

A valve arrangement comprising a valve body and a valve head as described above, the valve head being slidingly disposed on the valve body.

Further, the valve device further comprises a seal disposed between the valve body and the valve head.

Further, the valve device further comprises a first magnetic attraction piece and a second magnetic attraction piece, wherein the first magnetic attraction piece is arranged in the valve head, the second magnetic attraction piece is arranged in the valve body, and the second magnetic attraction piece is attracted with the first magnetic attraction piece.

For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.

Drawings

FIG. 1 is a cross-sectional view of a valve device according to an embodiment;

FIG. 2 is an exploded schematic view of a valve head according to an embodiment;

reference numerals:

1. a valve body; 2. a valve head; 21. a valve head body; 211. a receiving chamber; 212. sealing the mouth; 213. a groove; 22. a valve head cover; 221. ventilation holes; 222. a bump; 3. a seal; 4. a first magnetic attraction member; 5. and the second magnetic attraction piece.

Detailed Description

A valve device, see fig. 1, comprises a valve body 1, a valve head 2, a sealing member 3, a first magnetic attraction member 4, a second magnetic attraction member 5. Wherein the valve head 2 is arranged on the valve body 1 in a sliding manner up and down. A seal 3 is provided between the valve body 1 and the valve head 2. The first magnetic attraction member 4 is disposed within the valve head 2. The second magnetic attraction piece 5 is arranged in the valve body 1, and the second magnetic attraction piece 5 is attracted with the first magnetic attraction piece 4.

Referring to fig. 2, the valve head 2 includes a valve head body 21, a valve head cover 22. Wherein the valve head body 21 has a receiving chamber 211, which receiving chamber 211 is used for placing the first magnetic attraction member 4. A sealing port 212 communicating with the accommodation chamber 211 is provided at the top of the valve head body 21. The valve head cover 22 is covered at the sealing port 212, a portion of the valve head cover 22 is located in the accommodation chamber 211, and the valve head cover 22 is fixedly connected with the valve head 2. An air vent 221 communicating with the accommodation chamber 211 is provided in the valve head cover 22. In the production process, the valve head cover 22 is first covered at the sealing opening 212 of the valve head main body 21, a part of the valve head cover 22 is put into the accommodating cavity 211, the valve head cover 22 presses the gas in the accommodating cavity 211, the gas in the accommodating cavity 211 overflows to the outside through the air holes 221, and then the valve head cover 22 and the valve head main body 21 are fixedly connected together by means of gluing, ultra-welding, thermal welding or spin welding and the like.

Specifically, the air holes 221 are provided at the middle position of the valve head cover 22, which facilitates uniform air discharge to improve the yield of the product.

Specifically, the bottom of the valve head cover 22 is provided with a projection 222, the projection 222 is placed in the accommodation chamber 211 of the valve head body 21, and the projection 222 is matched with the inner peripheral wall of the accommodation chamber 211. In the assembling process, the protruding block 222 is inserted into the accommodating cavity 211 along the inner wall of the accommodating cavity 211, so that the valve head cover 22 is conveniently positioned, and the production efficiency is improved. Further preferably, a groove 213 is recessed at the sealing opening 212, the opening of the accommodating cavity 211 is arranged at the bottom surface of the groove 213, the protruding block 222 is matched with the groove 213, and the protruding block 222 is positioned in the groove 213, so that the sealing performance of the joint between the valve head cover 22 and the valve head main body 21 is improved.

Specifically, the valve head body 21 is located within the orthographic projection range of the valve head cover 22 toward the valve head body 21, and in this embodiment, the axis of the valve head body 21 is located on the same line as the axis of the valve head cover 22, and the outer diameter of the valve head cover 22 is larger than the outer diameter of the valve head body 21, so that the sealing port 212 of the valve head body 21 is completely fitted on the valve head cover 22, which contributes to improving the sealability of the junction between the valve head cover 22 and the valve head body 21.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. A valve head, the valve head comprising:

a valve head body (21), the valve head body (21) having a receiving chamber (211), the valve head body (21) further being provided with a sealing port (212) communicating with the receiving chamber (211);

the valve head cover (22), the valve head cover (22) covers and closes in sealing port (212), the part of valve head cover (22) is located hold chamber (211), and valve head cover (22) and valve head (2) owner fixed connection, valve head cover (22) are provided with bleeder vent (221) that are linked together with hold chamber (211).

2. The valve head of claim 1, wherein: the valve head cover (22) is fixedly connected to the valve head main body (21) in a manner of glue spraying, ultrasonic welding, thermal welding or spin welding.

3. The valve head of claim 1, wherein: the air holes (221) are arranged in the middle of the valve cover (22).

4. The valve head of claim 1, wherein: the bottom of the valve head cover (22) is provided with a lug (222), the lug (222) is placed in the accommodating cavity (211), and the lug (222) is matched with the inner peripheral wall of the accommodating cavity (211).

5. The valve head of claim 4, wherein: a groove (213) is recessed at the sealing opening (212), an opening of the accommodating cavity (211) is arranged on the bottom surface of the groove (213), the protruding block (222) is matched with the groove (213), and the protruding block (222) is located in the groove (213).

6. The valve head of claim 1, wherein: the valve head body (21) is located within a front projection range of the valve head cover (22) toward the valve head body (21).

7. The valve head of claim 6, wherein: the axis of the valve head main body (21) and the axis of the valve head cover (22) are positioned on the same straight line, the outer diameter of the valve head cover (22) is larger than that of the valve head main body (21), and the sealing opening (212) is completely attached to the valve head cover (22).

8. A valve device, characterized in that: the valve device comprises a valve body (1) and a valve head (2) according to any one of claims 1 to 7, the valve head (2) being slidingly arranged on the valve body (1).

9. The valve arrangement of claim 8, wherein: the valve device further comprises a seal (3), the seal (3) being arranged between the valve body (1) and the valve head (2).

10. The valve arrangement of claim 8, wherein: the valve device further comprises a first magnetic attraction piece (4) and a second magnetic attraction piece (5), wherein the first magnetic attraction piece (4) is arranged in the valve head (2), the second magnetic attraction piece (5) is arranged in the valve body (1), and the second magnetic attraction piece (5) and the first magnetic attraction piece (4) are attracted.