CN220435734U

CN220435734U - Quick-change connector body with high-pressure plug

Info

Publication number: CN220435734U
Application number: CN202321631704.XU
Authority: CN
Inventors: 郑芳
Original assignee: Dongguan Boding Precision Machinery Manufacturing Co ltd
Current assignee: Dongguan Boding Precision Machinery Manufacturing Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2024-02-02
Anticipated expiration: 2033-06-26

Abstract

The utility model provides a quick-change connector body with high-pressure plug, which relates to the technical field of pipelines and comprises a male plug and a female socket, wherein the side surface of the male plug is provided with the male head, the inner surface of the male plug is provided with a sleeve, one end of the sleeve is provided with a one-way valve core, the inner surface of the male plug is fixedly provided with a valve seat, the female socket comprises a rear valve body, the side surface of the rear valve body is fixedly provided with a front valve body, the inner surface of the rear valve body is fixedly provided with a needle valve, the outer side of the front valve body is provided with a locking sleeve, the connector can be used in the high-pressure field, the maximum working pressure is 300Bar in the on state, the maximum working pressure is 600Bar in the off state, when the connector is disconnected, the valve core on the male head side can be automatically closed to prevent medium leakage, the valve is automatically opened after the connector is connected, and medium circulation is always and reliably kept in the rated working range, and the connector can be combined with the male plug and the female socket by utilizing a ball lock mechanism to enable the male plug to be plugged and the female socket to be quickly replaced at high pressure.

Description

Quick-change connector body with high-pressure plug

Technical Field

The utility model relates to the technical field of pipelines, in particular to a quick-change connector body with high-pressure plug.

Background

The pneumatic quick-change connector is used as a necessary connecting component for quick connection in a pipeline system, is widely applied to the pipeline system with oil and gas as media, such as a hydraulic valve table, a high-pressure nitrogen spring and various machine assembling and machining pipeline systems, and most of quick-change connector bodies on the market cannot be plugged and pulled under high pressure at present, and the media in the pipeline system need to be closed by people for plugging and pulling and are improved.

Disclosure of Invention

The present utility model is directed to solving the technical problems set forth in the background art.

The utility model adopts the following technical scheme: the utility model provides a take quick change connector of high pressure plug, includes public plug and female socket, the side of public plug is provided with public head, the internal surface of public plug is provided with the sleeve, telescopic one end is provided with the check valve case, the internal surface of public plug is equipped with the disk seat admittedly, female socket includes back valve body, the side of back valve body admittedly has preceding valve body, the internal surface of back valve body admittedly has the needle valve, the outside of preceding valve body is provided with the lock sleeve, the surface cover of needle valve is equipped with the pine and takes off the cover, the internal surface of preceding valve body is provided with the steel ball, the surface of public head is provided with U type groove.

Preferably, the inner surface of the sleeve is fixedly connected with a spring a, and the inner surface of the male plug is positioned at the outer side of the sleeve and fixedly provided with a spring b. Here, the one-way valve core can push the sleeve under the action of the spring b.

Preferably, a spring c is arranged between the locking sleeve and the front valve body, and a spring d is fixedly connected to the inner surface of the front valve body. Here, the release casing pops up under the force of the spring d.

Preferably, the outer surface of the valve core of the one-way valve is fixedly provided with a tetrafluoro pad, and the side surface of the tetrafluoro pad is fixedly provided with an O-shaped ring. Here, a tetrafluoro pad and an O-ring may be added in the male plug and the female socket to improve the sealing of the joint.

Preferably, the U-shaped groove is attached to the steel ball. Here, the steel ball can be made to enter the U-shaped groove.

Preferably, the maximum working pressure is 300Bar when the male plug and the female socket are in the on state, and the maximum working pressure is 600Bar when the male plug and the female socket are in the off state. Here, 300Bar is taken as the maximum operating pressure at which the joint is turned on, and 600Bar is taken as the maximum pressure at which the joint is turned off.

Compared with the prior art, the utility model has the advantages and positive effects that,

in the utility model, the connector can be used in the high-voltage field, the maximum working pressure is 300Bar in the on state, the maximum working pressure is 600Bar in the off state, after the connector is disconnected, the valve core at the male side can be automatically closed to prevent medium leakage, after the connector is connected, the valve is automatically opened, medium circulation is always and reliably maintained in the rated working range, and the connector can combine the male plug with the female socket by utilizing the ball lock mechanism, so that the male plug and the female socket can be plugged and pulled under high pressure to realize quick change of the connector.

Drawings

FIG. 1 is a schematic diagram showing a combination of a quick-change connector with high-voltage plug in accordance with the present utility model;

fig. 2 is a schematic structural diagram of a male plug in a quick-change connector with high-voltage plug according to the present utility model;

fig. 3 is a schematic structural diagram of a female socket in a quick-change connector with high-voltage plug in accordance with the present utility model.

Legend description:

1. a male plug; 2. a female socket; 3. a male; 4. a check valve core; 5. a valve seat; 6. a sleeve; 7. a spring a; 8. a spring b; 9. a rear valve body; 10. a front valve body; 11. a needle valve; 12. a locking sleeve; 13. loosening the sleeve; 14. a steel ball; 15. a spring c; 16. a spring d; 17. a tetrafluoro pad; 18. an O-ring; 19. u-shaped groove.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a take quick change connector of high pressure plug, including public plug 1 and female socket 2, the side of public plug 1 is provided with public head 3, the internal surface of public plug 1 is provided with sleeve 6, the one end of sleeve 6 is provided with check valve case 4, the internal surface of public plug 1 is equipped with disk seat 5 admittedly, female socket 2 includes back valve body 9, the side of back valve body 9 is equipped with preceding valve body 10 admittedly, the internal surface of back valve body 9 is equipped with needle valve 11 admittedly, needle valve 11 can push up check valve case 4, the outside of preceding valve body 10 is provided with lock sleeve 12, lock sleeve 12 can be under the effect of spring d16 forward movement, the surface cover of needle valve 11 is equipped with release sleeve 13, the internal surface of preceding valve body 10 is provided with steel ball 14, the surface of public head 3 is provided with U type groove 19.

Referring to fig. 1-3, a spring a7 is fixedly connected to the inner surface of the sleeve 6, a spring b8 is fixedly mounted on the inner surface of the male plug 1 outside the sleeve 6, when the needle valve 11 pushes against the check valve core 4, the spring a7 and the spring b8 are compressed, a spring c15 is arranged between the locking sleeve 12 and the front valve body 10, a spring d16 is fixedly connected to the inner surface of the front valve body 10, a tetrafluoro pad 17 is fixedly mounted on the outer surface of the check valve core 4, an O-ring 18 is fixedly mounted on the side surface of the tetrafluoro pad 17, sealing performance is improved by using the tetrafluoro pad 17 and the O-ring 18, the U-shaped groove 19 is attached to the steel ball 14, the maximum working pressure is 300Bar when the male plug 1 and the female socket 2 are in the on state, and the maximum working pressure is 600Bar when the male plug 1 and the female socket 2 are in the off state.

Working principle: when the quick-change connector body is in a connection state: pressing the lock sleeve 12, compressing the spring c15, inserting the male plug 1 into the front valve body 10, loosening the lock sleeve 12, ejecting the male head 3 to open the release sleeve 13, moving the lock sleeve 12 forward under the action of the spring d16, pushing the steel ball 14 to eject and press in the U-shaped groove 19 of the male head 3, reliably connecting the male plug 1 with the female socket 2 together, simultaneously, ejecting the check valve core 4 by the needle valve 11, compressing the spring a7 and the spring b8, separating the check valve core 4 from the valve seat 5, communicating the medium with the internal channel of the male plug 1 through the needle valve 11 channel, ensuring no leakage of the medium under the sealing effect, and when the quick-change connector is in a loose state: pressing the locking sleeve 12, compressing the spring c15, ejecting the releasing sleeve 13 under the action of the spring d16, extruding the steel ball 14 out of the U-shaped groove 19 of the male head 3, automatically separating the male plug 1 from the female socket 2, pushing the sleeve 6 by the check valve core 4 in the male plug 1 under the action of the spring b8, compressing the spring a7, tightly pushing the check valve core 4 on the conical surface of the valve seat 5, closing the internal channel of the male plug 1, and sealing the medium (oil or gas) in the connected system, so that the medium cannot overflow.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. Quick-change connector body with high-voltage plug comprises a male plug (1) and a female socket (2), and is characterized in that: the side of public plug (1) is provided with public head (3), the internal surface of public plug (1) is provided with sleeve (6), the one end of sleeve (6) is provided with check valve case (4), the internal surface of public plug (1) is equipped with disk seat (5) admittedly, female socket (2) are including back valve body (9), preceding valve body (10) admittedly are equipped with to the side of back valve body (9), the internal surface of back valve body (9) is equipped with needle valve (11) admittedly, the outside of preceding valve body (10) is provided with lock sleeve (12), the surface cover of needle valve (11) is equipped with release sleeve (13), the internal surface of preceding valve body (10) is provided with steel ball (14), the surface of public head (3) is provided with U type groove (19).

2. The quick-change connector body with high-pressure plug according to claim 1, wherein: the inner surface of the sleeve (6) is fixedly connected with a spring a (7), and the inner surface of the male plug (1) is fixedly provided with a spring b (8) outside the sleeve (6).

3. The quick-change connector body with high-pressure plug according to claim 1, wherein: a spring c (15) is arranged between the locking sleeve (12) and the front valve body (10), and a spring d (16) is fixedly connected to the inner surface of the front valve body (10).

4. The quick-change connector body with high-pressure plug according to claim 1, wherein: the outer surface of the check valve core (4) is fixedly provided with a tetrafluoro pad (17), and the side surface of the tetrafluoro pad (17) is fixedly provided with an O-shaped ring (18).

5. The quick-change connector body with high-pressure plug according to claim 1, wherein: the U-shaped groove (19) is attached to the steel ball (14).

6. The quick-change connector body with high-pressure plug according to claim 1, wherein: the maximum working pressure of the male plug (1) and the female socket (2) is 300Bar when in a connection state, and 600Bar when in a disconnection state.