CN211667253U

CN211667253U - Hydraulic pump control valve with limit structure

Info

Publication number: CN211667253U
Application number: CN201922233473.7U
Authority: CN
Inventors: 江军
Original assignee: Hainan Xinhua De Hydraulic Electromechanical Equipment Co ltd
Current assignee: Hainan Xinhua De Hydraulic Electromechanical Equipment Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-10-13
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a hydraulic pump control valve with limit structure, rotate piece and action bars including valve body, valve, the valve rotates the valve rod fixed connection of piece and valve body, and action bars and valve rotate a looks spiro union, the valve rotates a piece outer wall and has cup jointed the fixed ring board, and the valve rotates the piece and forms normal running fit with fixed ring inboard wall, the fixed ring board leaves built-in cyclic annular spout, and the inner wall sliding connection who embeds cyclic annular spout has the slider, the annular sliding opening has been seted up at fixed ring board outer wall top, the annular sliding opening communicates with each other with built-in cyclic annular spout, and the inner wall sliding connection of annular sliding opening has the mounting plate. The utility model discloses screw up the threaded rod of spacing part and form the spiro union cooperation with the thread groove on the sliding plate, make the slipmat support the annular bottom plate outer wall and can fix the sliding plate, sliding plate and place board fixed connection, place the board and pass through adapting unit and action bars fixed connection, realized the spacing effect to the control valve action bars.

Description

Hydraulic pump control valve with limit structure

Technical Field

The utility model relates to a control valve technical field especially relates to a hydraulic pump control valve with limit structure.

Background

The control valve is made up of two main components: valve body assemblies and actuator assemblies (or actuator systems) are divided into four major families: the control valve with the operating rod at present can cause the position deviation of the operating rod due to the fact that an operator carelessly collides the operating rod, and the conditions of fluid leakage and the like are easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the hydraulic pump control valve with limit structure who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hydraulic pump control valve with a limiting structure comprises a valve body, a valve rotating part and an operating rod, wherein the valve rotating part is fixedly connected with a valve rod of the valve body, the operating rod is in threaded connection with the valve rotating part, a fixed ring plate is sleeved on the outer wall of the valve rotating part, the valve rotating part and the inner wall of the fixed ring plate form rotating fit, a built-in annular sliding groove is reserved on the fixed ring plate, a sliding block is connected to the inner wall of the built-in annular sliding groove in a sliding manner, an annular sliding opening is formed in the top of the outer wall of the fixed ring plate and communicated with the built-in annular sliding groove, a mounting plate is connected to the inner wall of the annular sliding opening in a sliding manner, the mounting plate is fixedly connected with the sliding block, a connecting part is fixed on the outer wall of the top of the mounting plate, which is far away from the sliding block, the connecting, and the outer wall fixedly connected with annular bottom plate that the fixed link kept away from the fixed ring board, annular spout has been seted up to annular bottom plate top outer wall, and annular spout inner wall sliding connection has the sliding plate, sliding plate top outer wall and place board bottom outer wall fixed connection, the annular opening that is linked together with annular spout is seted up at annular bottom plate outer wall top, and the inner wall swing joint of annular opening has spacing part, spacing part and sliding plate looks spiro union.

Preferably, the connecting part comprises a support and a lantern ring, the support is fixed on the outer wall of the top of the placing plate, and the lantern ring is sleeved with the operating rod.

Preferably, the limiting part comprises a threaded rod, a gasket and an anti-slip pad, the threaded rod is located in the annular through hole, the anti-slip pad is fixed on the gasket, the middle of the outer wall of one side of the gasket is provided with a round opening for penetrating through the anti-slip pad, the threaded rod is in sliding fit with the inner wall of the round opening, and the anti-slip pad is in contact with the outer wall of the annular bottom plate.

Preferably, the outer wall of one side of the sliding plate, which is close to the annular through opening, is provided with a thread groove, and the threaded rod and the thread groove form threaded connection matching.

Preferably, the sliding plate is provided with grooves at the bottoms of the outer walls of the two sides, and the inner walls of the grooves are rotatably connected with balls.

Preferably, the balls are in contact with the inner walls of the two sides of the annular sliding groove, and the balls are in rolling fit with the inner walls of the annular sliding groove.

Preferably, the outer wall of the bottom of the fixed ring plate is fixedly connected with the valve body, and the outer wall of the bottom of the annular bottom plate is fixedly connected with the valve body.

Preferably, the outer wall of one end, far away from the valve rotating part, of the operating rod is sleeved with an anti-slip sleeve, and the inner wall of the sleeve ring is sleeved with a rubber pad.

The utility model has the advantages that:

1. this limit structure's hydraulic pump control valve, during the use, it rotates the piece rotation to rotate the action bars can drive the valve, open the valve or close the operation of valve, the action bars rotates and to drive the mounting plate, the slider, the sliding plate, adapting unit and spacing part rotate simultaneously, the back is accomplished in the operation, screw up spacing part's threaded rod and the thread groove on the sliding plate and form the spiro union cooperation, make the slipmat support the annular bottom plate outer wall and can fix the sliding plate, sliding plate and mounting plate fixed connection, the mounting plate passes through adapting unit and action bars fixed connection, the spacing effect of control valve action bars has been realized.

2. This limit structure's hydraulic pump control valve has all set up the ball bottom sliding plate both sides outer wall, makes the ball form sliding fit with the inner wall of annular spout, makes more smooth and easy of sliding plate operation, even more smooth and easy of action bars operation, and overall structure sets up simply, and is with low costs.

Drawings

Fig. 1 is a schematic view of a vertical cross-sectional structure of a hydraulic pump control valve with a limiting structure according to the present invention;

fig. 2 is a schematic top view of a hydraulic pump control valve with a limiting structure according to the present invention;

fig. 3 is an enlarged structural diagram of a in fig. 1.

In the figure: the valve comprises a valve body 1, a valve rotating part 2, an operating rod 3, a fixed ring plate 4, a built-in annular sliding groove 5, a sliding block 6, an annular sliding opening 7, a placing plate 8, a supporting column 9, a lantern ring 10, a fixed rod 11, an annular bottom plate 12, an annular sliding groove 13, a sliding plate 14, an annular through opening 15, a threaded groove 16, a threaded rod 17, a gasket 18, a non-slip mat 19, balls 20 and a non-slip cover 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a hydraulic pump control valve with a limiting structure comprises a valve body 1, a valve rotating part 2 and an operating rod 3, wherein the valve rotating part 2 is fixedly connected with a valve rod of the valve body 1, the operating rod 3 is in threaded connection with the valve rotating part 2, the outer wall of the valve rotating part 2 is sleeved with a fixed ring plate 4, the valve rotating part 2 is in rotating fit with the inner wall of the fixed ring plate 4, the fixed ring plate 4 is provided with a built-in annular chute 5, the inner wall of the built-in annular chute 5 is in sliding fit with a slide block 6, the top of the outer wall of the fixed ring plate 4 is provided with an annular sliding port 7, the annular sliding port 7 is communicated with the built-in annular chute 5, the inner wall of the annular sliding port 7 is in sliding fit with a mounting plate 8, the mounting plate 8 is fixedly connected with the slide block 6, the outer wall of the top of the mounting plate 8 far away from the slide block 6 is fixedly provided with, an annular bottom plate 12 is fixedly connected to the outer wall of the fixed rod 11 far away from the fixed ring plate 4, an annular sliding groove 13 is formed in the outer wall of the top of the annular bottom plate 12, a sliding plate 14 is connected to the inner wall of the annular sliding groove 13 in a sliding manner, the outer wall of the top of the sliding plate 14 is fixedly connected with the outer wall of the bottom of the placing plate 8, an annular through hole 15 communicated with the annular sliding groove 13 is formed in the top of the outer wall of the annular bottom plate 12, a limiting part is movably connected to the inner wall of the annular through hole 15 and is in threaded connection with the sliding plate 14, the connecting part comprises a strut 9 and a sleeve ring 10, the strut 9 is fixed to the outer wall of the top of the placing plate 8, the sleeve ring 10 is sleeved with the operating rod 3, the limiting part comprises a threaded rod 17, a gasket 18 and a non-slip mat 19, the threaded rod 17 is positioned, and slipmat 19 contacts with annular bottom plate 12 outer wall, threaded groove 16 has been seted up to one side outer wall that sliding plate 14 is close to annular opening 15, and threaded rod 17 forms the spiro union cooperation with threaded groove 16, sliding plate 14 both sides outer wall bottom all sets up flutedly, and the inner wall of recess rotates and is connected with ball 20, ball 20 contacts with the both sides inner wall of annular spout 13, and ball 20 forms the roll cooperation with the inner wall of annular spout 13, fixed ring board 4 bottom outer wall and valve body 1 fixed connection, and annular bottom plate 12 bottom outer wall and valve body 1 fixed connection, the one end outer wall that operating rod 3 kept away from valve and rotated piece 2 has cup jointed antiskid cover 21, and the lantern ring 10 inner wall has cup jointed the rubber pad.

The working principle is as follows: when the device is used, the operation of opening or closing the valve can be carried out by rotating the operating rod 3, when the operating rod 3 rotates, the sliding block 6 and the built-in annular sliding groove 5 form sliding fit, the placing plate 8 and the annular sliding opening 7 form sliding fit, the sliding plate 14 and the annular sliding groove 13 form sliding fit, the connecting part is fixed on the placing plate 8 and rotates along with the placing plate 8, the limiting part is in threaded connection with the threaded groove 16 of the sliding plate 14 and rotates along with the sliding plate 16, namely, the operating rod 3 rotates to drive the placing plate 8, the sliding block 6, the sliding plate 14, the connecting part and the limiting part to rotate simultaneously, after the operation is finished, the threaded rod 17 of the limiting part is screwed down to form threaded connection with the threaded groove 17 on the sliding plate 14, so that the anti-skid pad 19 is abutted against the outer wall of the annular bottom plate 12 to fix the sliding plate 14, and.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The hydraulic pump control valve with the limiting structure comprises a valve body (1), a valve rotating part (2) and an operating rod (3), and is characterized in that the valve rotating part (2) is fixedly connected with a valve rod of the valve body (1), the operating rod (3) is in threaded connection with the valve rotating part (2), a fixed ring plate (4) is sleeved on the outer wall of the valve rotating part (2), the valve rotating part (2) is in rotating fit with the inner wall of the fixed ring plate (4), a built-in annular sliding groove (5) is reserved on the fixed ring plate (4), a sliding block (6) is connected to the inner wall of the built-in annular sliding groove (5) in a sliding manner, an annular sliding opening (7) is formed in the top of the outer wall of the fixed ring plate (4), the annular sliding opening (7) is communicated with the built-in annular sliding groove (5), a mounting plate (8) is connected to the inner wall of the annular sliding opening (7) in a sliding manner, and the mounting plate (, and the outer wall of the top of the placing plate (8) far away from the slide block (6) is fixed with a connecting component, the connecting component is sleeved with the operating rod (3), the outer wall of the bottom of the fixed ring plate (4) is fixed with fixed rods (11) which are distributed annularly at equal intervals, an annular bottom plate (12) is fixedly connected with the outer wall of the fixed rod (11) far away from the fixed ring plate (4), an annular sliding groove (13) is arranged on the outer wall of the top of the annular bottom plate (12), and the inner wall of the annular chute (13) is connected with a sliding plate (14) in a sliding way, the outer wall of the top of the sliding plate (14) is fixedly connected with the outer wall of the bottom of the placing plate (8), the top of the outer wall of the annular bottom plate (12) is provided with an annular through hole (15) communicated with the annular sliding groove (13), and the inner wall of the annular through opening (15) is movably connected with a limiting part, and the limiting part is in threaded connection with the sliding plate (14).

2. A hydraulic pump control valve with a limit structure according to claim 1, characterized in that the connecting component comprises a pillar (9) and a collar (10), the pillar (9) is fixed on the outer wall of the top of the setting plate (8), and the collar (10) is sleeved with the operating rod (3).

3. The hydraulic pump control valve with the limiting structure as claimed in claim 1, wherein the limiting part comprises a threaded rod (17), a gasket (18) and a non-slip mat (19), the threaded rod (17) is located in the annular through hole (15), the non-slip mat (19) is fixed on the gasket (18), a round opening is formed in the middle of the outer wall of one side of the gasket (18) and penetrates through the non-slip mat (19), the threaded rod (17) is in sliding fit with the inner wall of the round opening, and the non-slip mat (19) is in contact with the outer wall of the annular bottom plate (12).

4. The hydraulic pump control valve with a limiting structure as claimed in claim 1, wherein the sliding plate (14) has a threaded groove (16) formed on the outer wall of the side thereof adjacent to the annular through opening (15), and the threaded rod (17) is in threaded engagement with the threaded groove (16).

5. The hydraulic pump control valve with a limit structure as claimed in claim 1, wherein the sliding plate (14) is provided with a groove at the bottom of the outer wall at both sides, and the inner wall of the groove is rotatably connected with a ball (20).

6. A hydraulic pump control valve with a limit structure according to claim 5, characterized in that the balls (20) are in contact with the inner walls of both sides of the annular chute (13), and the balls (20) form a rolling fit with the inner walls of the annular chute (13).

7. The hydraulic pump control valve with a limit structure as set forth in claim 1, characterized in that the outer wall of the bottom of the fixed ring plate (4) is fixedly connected with the valve body (1), and the outer wall of the bottom of the annular bottom plate (12) is fixedly connected with the valve body (1).

8. The hydraulic pump control valve with the limiting structure as claimed in claim 2, wherein an outer wall of one end of the operating rod (3) far away from the valve rotating member (2) is sleeved with an anti-slip sleeve (21), and an inner wall of the sleeve ring (10) is sleeved with a rubber pad.