CN216344127U

CN216344127U - Control device of stacked one-way throttle valve

Info

Publication number: CN216344127U
Application number: CN202122770730.8U
Authority: CN
Inventors: 赵万玉
Original assignee: Huai'an Tanner Hydraulic Machinery Co ltd
Current assignee: Huai'an Tanner Hydraulic Machinery Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-19
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a control device of a stacked one-way throttle valve, and relates to the technical field of throttle valve equipment. When needs carry out the shutoff, rotate the handle and drive the control lead screw and rotate, the slurcam moves down, and the effect of supporting spring pushes the shutoff board and moves down and carries out the shutoff, and the effect is better under control lead screw and supporting spring's effect.

Description

Control device of stacked one-way throttle valve

Technical Field

The utility model relates to the technical field of throttle valve equipment, in particular to a control device of a superposed one-way throttle valve.

Background

A throttle valve is a valve that controls the flow of fluid by changing the throttle section or throttle length. The throttle valve and the one-way valve are connected in parallel to form the one-way throttle valve. The throttle valve and the one-way throttle valve are simple flow control valves, and in a constant displacement pump hydraulic system, the throttle valve and an overflow valve are matched to form three throttling speed regulating systems, namely an oil inlet path throttling speed regulating system, an oil return path throttling speed regulating system and a bypass throttling speed regulating system. The throttle valve has no flow negative feedback function, cannot compensate the speed instability caused by load change, is generally only used for occasions with small load change or low requirement on speed stability, has a simple structure, and has poor sealing effect when the throttle valve needs to cut off.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the control device of the superposed one-way throttle valve is provided, and the technical scheme solves the problems that the existing throttle valve control device in the background art is simple in structure and poor in sealing effect when the throttle valve needs to be stopped.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

the control device of the stacked one-way throttle valve comprises a first valve, wherein the lower end of the first valve is fixedly connected with a water inlet pipe, the water inlet pipe is communicated with the first valve, the upper side wall of the first valve is rotatably connected with a control lead screw, the lower end of the control lead screw is in threaded connection with a push plate, a slide rod is in sliding connection with the push plate, a baffle is fixedly connected with the upper end of the slide rod, the lower end of the slide rod is in threaded connection with a plugging plate, a supporting spring is sleeved on the slide rod, the upper end of the supporting spring is fixedly connected with the lower surface of the push plate, the lower end of the supporting spring is fixedly connected with the upper surface of the plugging plate, a buffer groove is formed in the upper end of the plugging plate, a connecting rod is fixedly connected with the lower surface of the plugging plate, a slide way is fixedly connected with the inner side wall of the water inlet pipe, and a slide rod is in sliding connection with the slide way, the upper surface of the sliding rod is fixedly connected with the lower end of the connecting rod,

preferably, the right end of the first valve is fixedly connected with a second valve, the second valve is communicated with the first valve, the left end of the inner wall of the second valve is fixedly connected with a sealing ring, and the right end of the inner side wall of the second valve is fixedly connected with a fixing ring.

Preferably, the fixed ring is connected with a sliding frame in a sliding manner, and the left end of the sliding frame is fixedly connected with a plugging piece.

Preferably, the left end of the plugging piece is provided with a sealing groove, the bottom of the sealing groove is pasted with a sealing gasket, and the sealing groove is matched with the plugging piece.

Preferably, the cover is equipped with the shutoff spring on the carriage, the left end of shutoff spring is connected with the right side fixed surface of shutoff piece, the right-hand member of shutoff spring is connected with solid fixed ring's left side fixed surface.

Preferably, the upper end of the control screw rod is fixedly connected with a handle, the inner wall of the upper side of the first valve is fixedly connected with a sealing piece, and the sealing piece is connected with the control screw rod in a sliding mode.

The utility model provides a control device of a superposition type one-way throttle valve, which has the following beneficial effects:

according to the utility model, the lower end of the control screw rod is in threaded connection with a pushing plate, the pushing plate is connected with a sliding rod in a sliding manner, the lower end of the sliding rod is fixedly connected with a plugging plate, the lower end of the plugging plate is fixedly connected with the sliding rod through a connecting rod, the sliding rod is in sliding connection with a slide way on the inner wall of a water inlet pipe, the sliding rod is guaranteed to move up and down along the slide way under the action of the slide way and is matched with the sliding rod for use, so that the plugging plate and the pushing plate are guaranteed to move up and down, when plugging is needed, the handle is rotated to drive the control screw rod to rotate, the pushing plate moves downwards, the plugging plate is pushed to move downwards under the action of the supporting spring for plugging, and the effect is better under the action of the control screw rod and the supporting spring.

Drawings

FIG. 1 is a schematic perspective view of a throttle control apparatus according to the present invention;

FIG. 2 is a plan view resulting schematic of the throttle control apparatus of the present invention;

FIG. 3 is a schematic cross-sectional view taken at A in FIG. 2;

FIG. 4 is an enlarged view of a portion B of FIG. 3;

fig. 5 is a schematic perspective view of the closure of the present invention.

The reference numbers in the figures are:

1. a first valve; 2. a water inlet pipe; 3. a slideway; 4. a slide bar; 5. a connecting rod; 6. a plugging plate; 7. a slide bar; 8. a support spring; 9. a push plate; 10. a sealing groove; 11. controlling the screw rod; 12. a seal member; 13. a handle; 14. a second valve; 15. a fixing ring; 16. a seal ring; 17. a blocking member; 18. a carriage; 19. a gasket; 20. and (5) plugging the spring.

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.

Referring to fig. 1-5, a control device of a stacked one-way throttle valve comprises a first valve 1 door, a water inlet pipe 2 is fixedly connected to the lower end of the first valve 1 door, the water inlet pipe 2 is communicated with the first valve 1, a control screw rod 11 is rotatably connected to the upper side wall of the first valve 1, a push plate 9 is in threaded connection with the lower end of the control screw rod 11, a slide rod 7 is slidably connected to the push plate 9, a baffle is fixedly connected to the upper end of the slide rod 7, a plugging plate 6 is in threaded connection with the lower end of the slide rod 7, a support spring 8 is sleeved on the slide rod 7, the upper end of the support spring 8 is fixedly connected to the lower surface of the push plate 9, the lower end of the support spring 8 is fixedly connected to the upper surface of the plugging plate 6, a buffer groove is formed in the upper end of the plugging plate 6, a connecting rod 5 is fixedly connected to the lower surface of the plugging plate 6, a slide way 3 is fixedly connected to the inner side wall of the water inlet pipe 2, a slide rod 4 is slidably connected to the slide way 3, the upper surface of slide bar 4 and the lower extreme fixed connection of connecting rod 5, the upper end fixedly connected with handle 13 of control lead screw 11, the upside inner wall fixedly connected with sealing member 12 of first valve 1, sealing member 12 and control lead screw 11 sliding connection, guarantee slide bar 4 and reciprocate along the 3 directions of slide under the effect of slide 3, use with slide bar 7 cooperation, thereby guarantee shutoff board 6 and slurcam 9 and move on the upper and lower direction, when needs carry out the shutoff, it rotates handle 13 and drives control lead screw 11 and rotate, slurcam 9 moves down, it carries out the shutoff to push shutoff board 6 and move down under supporting spring 8's effect, the effect is better under control lead screw 11 and supporting spring 8's effect.

The right end of the first valve 1 is fixedly connected with a second valve 14, the second valve 14 is communicated with the first valve 1, the left end of the inner wall of the second valve 14 is fixedly connected with a sealing ring 16, the right end of the inner side wall of the second valve 14 is fixedly connected with a fixing ring 15, the fixing ring 15 is connected with a sliding frame 18 in a sliding manner, the left end of the sliding frame 18 is fixedly connected with a plugging piece 17, the left end of the plugging piece 17 is provided with a sealing groove 10, the bottom of the sealing groove 10 is pasted with a sealing gasket 19, the sealing groove 10 is matched with the plugging piece 17, the sliding frame 18 is sleeved with a plugging spring 20, the left end of the plugging spring 20 is fixedly connected with the right side surface of the plugging piece 17, the right end of the plugging spring 20 is fixedly connected with the left side surface of the fixing ring 15, when liquid enters the first valve 1, the plugging piece 17 is pushed to extrude the plugging spring 20 towards the right side, the sliding frame 18 and the plugging piece 17 slide towards the right side, when the sealing ring 16 slides out of the sealing groove 10, liquid flows from the location of carriage 18 past sealing ring 16.

In conclusion, the utility model has the advantages that: in the utility model, the lower end of a control screw rod 11 is in threaded connection with a push plate 9, the push plate 9 is in sliding connection with a slide rod 7, the lower end of the slide rod 7 is fixedly connected with a plugging plate 6, the lower end of the plugging plate 6 is fixedly connected with a slide rod 4 through a connecting rod 5, the slide rod 4 is in sliding connection with a slide way 3 on the inner wall of a water inlet pipe 2, the slide rod 4 is ensured to move up and down along the direction of the slide way 3 under the action of the slide way 3 and is matched with the slide rod 7 for use, so that the plugging plate 6 and the push plate 9 are ensured to move up and down, when plugging is required, a rotating handle 13 drives the control screw rod 11 to rotate, the push plate 9 moves down, the plugging plate 6 is pushed down under the action of a supporting spring 8 to plug, the effect is better under the action of the control screw rod 11 and the supporting spring 8, and when liquid enters a first valve 1, a plugging piece 17 is pushed to extrude a plugging spring 20 towards the right side, carriage 18 and seal 17 slide to the right and when seal ring 16 slides out of seal groove 10, fluid flows from the position of carriage 18 past seal ring 16.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a control device of stack formula one-way throttle valve, its characterized in that includes first valve (1) door, the lower extreme fixedly connected with inlet tube (2) of first valve (1) door, inlet tube (2) are linked together with first valve (1), the last lateral wall of first valve (1) rotates and is connected with control lead screw (11), the lower extreme threaded connection of control lead screw (11) has slurcam (9), sliding connection has slide bar (7) on slurcam (9), the upper end fixedly connected with baffle of slide bar (7), the lower extreme threaded connection of slide bar (7) has shutoff board (6), the cover is equipped with supporting spring (8) on slide bar (7), the upper end of supporting spring (8) is connected with the lower fixed surface of slurcam (9), the lower extreme of supporting spring (8) is connected with the upper surface fixed surface of shutoff board (6), the buffer slot has been seted up to the upper end of shutoff board (6), the lower fixed surface of shutoff board (6) is connected with connecting rod (5), inside wall fixedly connected with slide (3) of inlet tube (2), sliding connection has slide bar (4) on slide (3), the upper surface of slide bar (4) and the lower extreme fixed connection of connecting rod (5).

2. The control device of a superimposed check throttle valve according to claim 1, characterized in that: the right-hand member fixedly connected with second valve (14) of first valve (1), second valve (14) are linked together with first valve (1), the inner wall left end fixedly connected with sealing ring (16) of second valve (14), the fixed ring (15) of fixed connection of right-hand member of second valve (14) inside wall.

3. The control device of a superimposed check throttle valve according to claim 2, characterized in that: fixed ring (15) go up sliding connection and have carriage (18), the left side fixedly connected with shutoff piece (17) of carriage (18), shutoff piece (17).

4. A control device of a superimposed check throttle valve according to claim 3, characterized in that: sealing groove (10) have been seted up to the left end of shutoff piece (17), sealed pad (19) have been pasted to the bottom of sealing groove (10), sealing groove (10) and shutoff piece (17) looks adaptation.

5. A control device of a superimposed check throttle valve according to claim 3, characterized in that: the cover is equipped with shutoff spring (20) on carriage (18), the left end of shutoff spring (20) and the right side fixed surface of shutoff piece (17) are connected, the right-hand member of shutoff spring (20) and the left side fixed surface of solid fixed ring (15) are connected.

6. The control device of a superimposed check throttle valve according to claim 1, characterized in that: the upper end fixedly connected with handle (13) of control lead screw (11), the upside inner wall fixedly connected with sealing member (12) of first valve (1), sealing member (12) and control lead screw (11) sliding connection.