CN216478102U

CN216478102U - High-pressure high-sealing stop valve

Info

Publication number: CN216478102U
Application number: CN202122542373.XU
Authority: CN
Inventors: 钱世展
Original assignee: Wuxi Xinyuan Oil Pump Co ltd
Current assignee: Wuxi Xinyuan Oil Pump Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-05-10
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to the technical field of stop valves, and discloses a high-pressure high-sealing stop valve, which solves the problem that hydraulic oil can possibly flow into an oil outlet pipe from a gap between a stop head and the wall of a liquid inlet pipe; in the utility model, in operation, the first rotating handle rotates to drive the push rod to rotate, the outer part of the push rod is in threaded connection with the stop valve body, the main stop head is in rotational connection with one end of the push rod, meanwhile, one side of the main stop head is provided with a sliding groove, and the sliding groove is clamped with the sliding block on the inner wall of the stop valve body, so that the main stop head transversely moves into the liquid inlet pipe under the pushing of the push rod and shields the liquid outlet pipe, and hydraulic oil entering the liquid inlet pipe is blocked by the main stop head, thereby playing a stop role.

Description

High-pressure high-sealing stop valve

Technical Field

The utility model belongs to the technical field of stop valves, and particularly relates to a high-pressure high-sealing stop valve.

Background

The stop valve plays the effect of cutting off and communicating to the medium in the pipeline at its place, especially in oil pump system, installs the stop valve in the inside and oil pipeline junction of oil pump, when carrying out oil pump system and closing, cuts off the pipeline, can be outside at the oil pump with hydraulic oil locking, plays the effect of stopping the oil transportation.

In a general stop valve, because a gap exists between the stop head and the wall of the liquid inlet pipe, hydraulic oil can flow into the oil outlet pipe from the gap under the action of oil pressure, and then enters the oil pump.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the high-pressure high-sealing stop valve which effectively solves the problem that hydraulic oil possibly flows into an oil outlet pipe from a gap between a stop head and the wall of a liquid inlet pipe.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high-pressure high-seal stop valve, includes the stop valve body, the feed liquor pipe is installed to one side of stop valve body, and the drain pipe is installed to one side of feed liquor pipe, and the internally mounted of stop valve body has first stop subassembly.

Preferably, the first cut-off assembly comprises a push rod in threaded connection with one side of the cut-off valve body, one end of the push rod is rotatably connected with a main cut-off head, a sliding groove is formed in one side of the main cut-off head, the sliding groove is clamped on the outer side of the sliding block, the sliding block is installed on the inner wall of the cut-off valve body, and the second cut-off assembly is installed inside the main cut-off head.

Preferably, the outer wall of the push rod is provided with a first spiral groove, and one end of the push rod is provided with a first rotating handle.

Preferably, the second stop assembly comprises a movable groove arranged in the main stop head, a side stop head is inserted into the movable groove, a spring is mounted on one side of the side stop head, one side of the side stop head is in a round table shape, and the side stop head is matched with the liquid outlet pipe.

Preferably, one side of the movable groove is inserted with a mandril, the mandril is inserted inside the push rod, and the mandril is in threaded connection with the inner wall of the push rod.

Preferably, the outer wall of the ejector rod is provided with a second screw groove, and one end of the ejector rod is provided with a second rotating handle.

Preferably, a limiting block is arranged on the inner wall of the liquid inlet pipe and is positioned at one end of the sliding block.

Compared with the prior art, the utility model has the beneficial effects that:

1) in the work, the push rod is driven to rotate through the rotation of the arranged first rotating handle, the outer part of the push rod is in threaded connection with the stop valve body, the main stop head is in rotational connection with one end of the push rod, meanwhile, a sliding groove is formed in one side of the main stop head and is clamped with a sliding block on the inner wall of the stop valve body, so that the main stop head can transversely move under the pushing of the push rod to enter the liquid inlet pipe and shield the liquid outlet pipe, and therefore hydraulic oil entering the liquid inlet pipe is blocked by the main stop head, and the stop effect is achieved;

2) in operation, main through setting up is by the head remove to the inside back of feed liquor pipe, it changes the handle to rotate the second, the second is changeed and is installed the ejector pin to one side, and ejector pin and push rod inner wall threaded connection, make the ejector pin remove the back and enter into the deeper position of activity groove, then promote the side and end the head and remove towards the activity groove outside, make the side enter into inside the drain pipe after ending the head liftout, inner wall contact with the drain pipe, thereby make probably to enter into the inside hydraulic oil of drain pipe from the main gap between end outer wall and the feed liquor pipe inner wall, receive the side and cut stopping of head, thereby the inside high leakproofness of valve body has been cut off, thereby the effect by the valve body has been improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

FIG. 2 is a schematic view of the internal structure of the check valve body of the present invention;

FIG. 3 is a schematic view of the push rod structure of the present invention;

FIG. 4 is a schematic view of a main stop head according to the present invention;

fig. 5 is a schematic view of the ejector pin structure of the present invention.

In the figure: 1. a stop valve body; 2. a liquid inlet pipe; 3. a liquid outlet pipe; 4. a first cutoff assembly; 401. a push rod; 402. a first rotating handle; 403. a first screw groove; 404. a main stop head; 405. a slider; 406. a chute; 5. a second cutoff assembly; 501. a movable groove; 502. a side cut-off head; 503. a spring; 504. a top rod; 505. a second screw groove; 506. a second rotating handle; 6. and a limiting block.

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.

In the first embodiment, as shown in fig. 1 to 5, the stop valve comprises a stop valve body 1, a liquid inlet pipe 2 is installed on one side of the stop valve body 1, a liquid outlet pipe 3 is installed on one side of the liquid inlet pipe 2, and a first stop assembly 4 is installed inside the stop valve body 1.

In the second embodiment, on the basis of the first embodiment, the first stopping assembly 4 includes a push rod 401 screwed to one side of the stopping valve body 1, one end of the push rod 401 is rotatably connected with a main stopping head 404, one side of the main stopping head 404 is provided with a sliding chute 406, the sliding chute 406 is clamped to the outer side of a sliding block 405, the sliding block 405 is installed on the inner wall of the stopping valve body 1, the second stopping assembly 5 is installed inside the main stopping head 404, the outer wall of the push rod 401 is provided with a first screw groove 403, and one end of the push rod 401 is provided with a first rotating handle 402;

when the oil pump need stop the oil feed, rotate first commentaries on classics handle 402 this moment, thereby drive push rod 401 and rotate, and push rod 401's outside and end 1 threaded connection of valve body, thereby make push rod 401 rotate the back, drive push rod 401 and remove, and main stop 404 rotates with the one end of push rod 401 and is connected, spout 406 has been seted up to one side of main stop 404 simultaneously, spout 406 and the slider 405 joint on the stop valve body 1 inner wall, thereby make main stop 404 lateral shifting enter into feed liquor pipe 2 inside under push rod 401's promotion, and shelter from drain pipe 3, thereby make the hydraulic oil that gets into feed liquor pipe 2 blockked down by main stop 404, thereby play the effect of ending.

Third embodiment, on the basis of the second embodiment, the second stopping assembly 5 includes a movable groove 501 arranged inside the main stopping head 404, a side stopping head 502 is inserted inside the movable groove 501, a spring 503 is installed on one side of the side stopping head 502, one side of the side stopping head 502 is in a circular truncated cone shape, the side stopping head 502 is matched with the liquid outlet pipe 3, a top rod 504 is inserted into one side of the movable groove 501, the top rod 504 is inserted inside the push rod 401, the top rod 504 is in threaded connection with the inner wall of the push rod 401, a second screw groove 505 is formed in the outer wall of the top rod 504, a second rotating handle 506 is installed at one end of the top rod 504, a limiting block 6 is installed on the inner wall of the liquid inlet pipe 2, and the limiting block 6 is located at one end of the sliding block 405;

when the main stop head 404 moves into the liquid inlet pipe 2 and one end of the main stop head 404 contacts with the limiting block 6, the main stop head 404 is blocked and cannot move forward continuously, the second rotating handle 506 is rotated, the push rod 504 is installed on one side of the second rotating handle 506, the push rod 504 is in threaded connection with the inner wall of the push rod 401, so that after the second rotating handle 506 is rotated, the push rod 504 moves inside the push rod 401, one end of the push rod 504 is inserted into the movable groove 501, so that the push rod 504 moves to enter the deeper position of the movable groove 501, one end of the push rod 504 contacts with one side of the side stop head 502, one side of the side stop head 502 is in a circular truncated cone shape, so that after the push rod 504 moves, the side stop head 502 is pushed to move towards the outside of the movable groove 501, and one side of the movable groove 501 corresponds to the liquid outlet pipe 3, so that after the side stop head 502 is ejected, the liquid outlet pipe 3 enters the liquid outlet pipe 3, contact with the inner wall of drain pipe 3 to make probably enter into the inside hydraulic oil of drain pipe 3 from the main gap between ending head 404 outer wall and feed liquor pipe 2 inner wall, receive the side and end stopping of head 502, thereby improved the high leakproofness of ending the valve body 1 inside, thereby improved the effect of ending by valve body 1.

The working principle is as follows: when the oil pump stops feeding oil, the first rotating handle 402 is rotated at the moment, so that the push rod 401 is driven to rotate, the outer part of the push rod 401 is in threaded connection with the stop valve body 1, the push rod 401 is driven to move after the push rod 401 rotates, the main stop head 404 is rotationally connected with one end of the push rod 401, meanwhile, a sliding groove 406 is formed in one side of the main stop head 404, the sliding groove 406 is clamped with a sliding block 405 on the inner wall of the stop valve body 1, so that the main stop head 404 transversely moves under the pushing of the push rod 401 to enter the liquid inlet pipe 2 and shields the liquid outlet pipe 3, and therefore hydraulic oil entering the liquid inlet pipe 2 is blocked by the main stop head 404, and the stop function is achieved;

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-pressure high-seal stop valve, includes stop valve body (1), its characterized in that: a liquid inlet pipe (2) is installed on one side of the stop valve body (1), a liquid outlet pipe (3) is installed on one side of the liquid inlet pipe (2), and a first stop assembly (4) is installed inside the stop valve body (1).

2. The high-pressure high-seal stop valve according to claim 1, characterized in that: the first cut-off component (4) comprises a push rod (401) which is in threaded connection with one side of the cut-off valve body (1), one end of the push rod (401) is rotatably connected with a main cut-off head (404), a sliding groove (406) is formed in one side of the main cut-off head (404), the sliding groove (406) is clamped on the outer side of a sliding block (405), the sliding block (405) is installed on the inner wall of the cut-off valve body (1), and a second cut-off component (5) is installed inside the main cut-off head (404).

3. The high-pressure high-seal stop valve according to claim 2, characterized in that: a first thread groove (403) is formed in the outer wall of the push rod (401), and a first rotating handle (402) is mounted at one end of the push rod (401).

4. The high-pressure high-seal stop valve according to claim 2, characterized in that: the second stop assembly (5) comprises a movable groove (501) arranged inside the main stop head (404), a side stop head (502) is inserted inside the movable groove (501), a spring (503) is installed on one side of the side stop head (502), one side of the side stop head (502) is in a circular truncated cone shape, and the side stop head (502) is matched with the liquid outlet pipe (3).

5. The high-pressure high-seal stop valve according to claim 4, wherein: one side of the movable groove (501) is inserted with an ejector rod (504), the ejector rod (504) is inserted inside the push rod (401), and the ejector rod (504) is in threaded connection with the inner wall of the push rod (401).

6. The high-pressure high-seal stop valve according to claim 5, wherein: the outer wall of the ejector rod (504) is provided with a second screw groove (505), and one end of the ejector rod (504) is provided with a second rotating handle (506).

7. The high-pressure high-seal stop valve according to claim 2, characterized in that: install stopper (6) on the inner wall of feed liquor pipe (2), stopper (6) are located the one end of slider (405).