CN220581720U - Bidirectional elastic sealing gate valve - Google Patents

Abstract

The utility model relates to the technical field of gate valves and discloses a bidirectional elastic sealing gate valve, which comprises a pipeline, wherein the top end of the pipeline is fixedly provided with a shell, the top end of the shell is provided with a threaded hole, a central shaft is in threaded connection with the threaded hole, the top end of the pipeline is provided with a circle of first sealing groove, a first sealing strip is arranged in the first sealing groove, the top end of the first sealing strip is fixedly provided with a fixing plate, the bottom end of the pipeline is provided with a second sealing groove, and the second sealing strip is fixedly arranged in the second sealing groove. According to the utility model, the top end of the pipeline is provided with the first sealing groove, the first sealing strip is used in the first sealing groove, and the top of the piston can be sealed by matching with the fixing plate, so that the sealing performance of the valve is improved.

Description

Bidirectional elastic sealing gate valve

Technical Field

The utility model relates to the technical field of gate valves, in particular to a bidirectional elastic sealing gate valve.

Background

The gate valve is normally not separated from the liquid inlet and outlet direction, so that the gate valve has a bidirectional diversion function.

The existing valve often has high-pressure impact of water flow when in use, and can cause offset between a piston and a sealing ring, so that the sealing effect of the valve is poor, the liquid flows out, the tightness of the valve cannot be ensured due to the fact that a few springs are arranged in the common valve, and meanwhile, the switching operation force is increased.

Accordingly, a bi-directional elastic sealing gate valve is provided by those skilled in the art to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a bidirectional elastic sealing gate valve, wherein a first sealing groove is formed in the top end of a pipeline, the sealing performance of a valve can be improved by using a first sealing strip in the first sealing groove, meanwhile, the sealing performance of the valve can be improved by using a second sealing strip to match with a piston, in addition, the sealing performance can be improved by using a spring to increase the pressure of the piston, and the positioning of the piston can be ensured by using a limiting column to match with a connecting column, so that the piston is prevented from being deviated after long-time use.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a two-way elastic sealing gate valve, includes the pipeline, the top of pipeline is fixed to be provided with the shell, the screw hole has been seted up on the top of shell, screw hole department threaded connection has the center pin, the round first seal groove has been seted up on the top of pipeline, be provided with first sealing strip in the first seal groove, the fixed plate that is provided with in the top of first sealing strip, the second seal groove has been seted up to the bottom of pipeline, the fixed second sealing strip that is provided with in the second seal groove;

through above-mentioned technical scheme, utilize first seal groove and first sealing strip cooperation fixed plate to use can increase the leakproofness of valve, install the second sealing strip in the bottom in addition and can use with the cooperation of second sealing strip when the piston pushes down, and then improve the sealed effect of valve.

Further, a piston is arranged at the top end of the second sealing strip, a sliding groove is formed in the piston, and a limiting block is fixedly arranged on the outer side of the central shaft;

through the technical scheme, the sliding groove is formed in the piston, and the limiting block is arranged in the sliding groove, so that the piston can not be driven to rotate when the central shaft rotates, and only the piston can be driven to move up and down.

Further, a first spring is arranged on the outer side of the central shaft, and two fixing columns are fixedly arranged at the top end of the fixing plate;

through above-mentioned technical scheme, the pressure of installing first spring by first spring pushes down the fixed plate, can improve the leakproofness of valve, and the installation fixed column is convenient for protect the second spring, can also restrict the installation of spliced pole simultaneously.

Further, two limit posts are fixedly arranged at the top end of the fixed plate, and second springs are arranged on the outer sides of the two limit posts;

through above-mentioned technical scheme, the installation spacing post can be spacing to the piston, and the piston takes place the skew and can't guarantee sealed effect when preventing long-time use, uses the first spring of second spring cooperation to use in addition to increase the stability of this valve.

Further, two connecting columns are fixedly arranged at the top end of the shell;

through above-mentioned technical scheme, use the spacing post of spliced pole cooperation can carry out spacingly to the piston, prevent to use sealed effect variation for a long time.

Further, a wheel disc is fixedly arranged at the top end of the central shaft;

through above-mentioned technical scheme, the installation rim plate is convenient to rotate the center pin for it is easy to open and close the valve.

Further, connecting discs are fixedly arranged on two sides of the pipeline;

through the technical scheme, the connecting disc is arranged to enable the valve to be connected with the pipeline.

Further, through holes are formed in two sides of the two connecting discs;

through the technical scheme, the through holes are formed in the positions of the connecting discs, so that the valve can be connected with the pipeline and then fixed.

The utility model has the following beneficial effects:

1. according to the bi-directional elastic sealing gate valve provided by the utility model, the first sealing groove is formed in the top end of the pipeline, the first sealing strip is used in the first sealing groove, and the top of the piston can be sealed by matching with the fixing plate, so that the sealing property of the valve is improved.

2. According to the bidirectional elastic sealing gate valve provided by the utility model, the fixed column and the limiting column are arranged at the top end of the fixed plate, the piston can be limited by matching with the connecting column, the piston can be prevented from being offset to cause the poor sealing performance of the valve, and in addition, the second spring is arranged at the bottom end of the connecting column at the outer side of the limiting column, so that the piston can be more stable in the sealing process.

3. According to the bidirectional elastic sealing gate valve provided by the utility model, the first spring is used at the outer side of the central shaft position and matched with the two second springs for use, so that the sealing performance of the valve can be better ensured when the valve is closed, meanwhile, the operating force of a valve switch can be reduced by utilizing the springs, the operation is more convenient, and the friction force between the valve and the sealing ring can be relieved by the elastic deformation of the springs, so that the service life of the valve is prolonged.

Drawings

FIG. 1 is an isometric view of a bi-directional elastomeric seal gate valve according to the present utility model;

FIG. 2 is a front view of a bi-directional elastic sealing gate valve according to the present utility model;

FIG. 3 is a side view of a bi-directional elastomeric seal gate valve in accordance with the present utility model;

FIG. 4 is a front cross-sectional view of a bi-directional elastic sealing gate valve according to the present utility model;

FIG. 5 is a side cross-sectional view of a bi-directional elastic sealing gate valve according to the present utility model;

fig. 6 is a partial enlarged view at a in fig. five.

Legend description:

1. a pipe; 2. a housing; 3. a threaded hole; 4. a central shaft; 5. a first seal groove; 6. a first sealing strip; 7. a fixing plate; 8. a second seal groove; 9. a second sealing strip; 10. a piston; 11. a chute; 12. a limiting block; 13. a first spring; 14. fixing the column; 15. a limit column; 16. a second spring; 17. a connecting column; 18. a wheel disc; 19. a connecting disc; 20. and a through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other examples, which are obtained by persons of ordinary skill in the art without making any inventive effort, are intended to be within the scope of the present utility model based on the examples herein, and it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the exemplary embodiments according to the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides a two-way elastic sealing gate valve, including pipeline 1, pipeline 1's top is fixed to be provided with shell 2, screw hole 3 has been seted up on shell 2's top, screw hole 3 department threaded connection has center pin 4, round first seal groove 5 has been seted up on pipeline 1's top, be provided with first sealing strip 6 in the first seal groove 5, the fixed plate 7 that is provided with in top of first sealing strip 6, pipeline 1's bottom has been seted up second seal groove 8, second seal groove 8 internal fixation is provided with second sealing strip 9, utilize first seal groove and first sealing strip cooperation fixed plate to use can increase the leakproofness of valve, in addition in bottom installation second sealing strip can use with the cooperation of second sealing strip when the piston pushes down, and then improve the sealed effect of valve.

The top of the second sealing strip 9 is provided with a piston 10, the inside of the piston 10 is provided with a chute 11, the outside of the central shaft 4 is fixedly provided with a limiting block 12, the inside of the piston is provided with a chute, the limiting block is arranged in the chute, the piston can not be driven to rotate when the central shaft rotates, the piston can only be driven to move up and down, the outside of the central shaft 4 is provided with a first spring 13, the top of the fixed plate 7 is fixedly provided with two fixed columns 14, the fixed plate is pressed down by the pressure of the first spring by the first spring, the sealing performance of the valve can be improved, the fixed columns are convenient for protecting the second spring, the installation of the connecting columns can be limited, the top of the fixed plate 7 is fixedly provided with two limiting columns 15, the outer sides of the two limiting columns 15 are all provided with second springs 16, the installation spacing post can be spacing to the piston, prevent that the piston from taking place the skew and can't guarantee sealed effect when long-time use, use the first spring of second spring cooperation to use in addition, with the stability that increases this valve, the fixed two spliced poles 17 that are provided with in top of shell 2, use the spacing post of spliced pole cooperation and can spacing the piston, prevent long-time use sealed effect variation, the fixed rim plate 18 that is provided with in top of center pin 4, the installation rim plate is convenient to rotate the center pin, make it becomes easy to open and close the valve, the both sides of pipeline 1 are all fixed and are provided with connection pad 19, the installation connection pad can make the valve be connected with the pipeline, through-hole 20 has all been seted up to the both sides of two connection pads 19, the through-hole can be connected the valve with the pipeline after fixed in the position of connection pad.

Working principle: when the valve is required to be opened, the limiting block 12 slides in the chute 11 only by rotating the wheel disc 18, so that the piston 10 can be lifted, the first spring 13 can be compressed when the valve is opened, meanwhile, the limiting column 15 can move in the connecting column 17, the second spring 16 can be compressed when the valve is opened, the compressed spring can release pressure when the valve is closed, the operating force to the valve switch can be reduced, the first sealing strip 6 can be attached to the first sealing groove 5 when the valve is closed, the piston 10 can be attached to the second sealing strip 9, the sealing performance of the valve is guaranteed, and meanwhile, the sealing effect of the valve can be better due to the pressure of the spring.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. A bi-directional elastic sealing gate valve, comprising a pipe (1), characterized in that: the utility model discloses a pipeline, including pipeline (1), screw hole (3) are offered on the top of pipeline (1), screw hole (3) department threaded connection has center pin (4) on the top of shell (2), round first seal groove (5) have been offered on the top of pipeline (1), be provided with first sealing strip (6) in first seal groove (5), the fixed plate (7) that is provided with in top of first sealing strip (6), second seal groove (8) have been offered in the bottom of pipeline (1), second seal groove (8) internal fixation is provided with second sealing strip (9).

2. A bi-directional elastomeric seal gate valve in accordance with claim 1 wherein: the top of second sealing strip (9) is provided with piston (10), spout (11) have been seted up to the inside of piston (10), the outside of center pin (4) is fixed and is provided with stopper (12).

3. A bi-directional elastomeric seal gate valve in accordance with claim 1 wherein: the outer side of the central shaft (4) is provided with a first spring (13), and the top end of the fixed plate (7) is fixedly provided with two fixed columns (14).

4. A bi-directional elastomeric seal gate valve in accordance with claim 1 wherein: two limit posts (15) are fixedly arranged at the top end of the fixing plate (7), and second springs (16) are arranged on the outer sides of the two limit posts (15).

5. A bi-directional elastomeric seal gate valve in accordance with claim 1 wherein: two connecting columns (17) are fixedly arranged at the top end of the shell (2).

6. A bi-directional elastomeric seal gate valve in accordance with claim 1 wherein: the top end of the central shaft (4) is fixedly provided with a wheel disc (18).

7. A bi-directional elastomeric seal gate valve in accordance with claim 1 wherein: connecting discs (19) are fixedly arranged on two sides of the pipeline (1).

8. The bi-directional elastic sealing gate valve of claim 7, wherein: through holes (20) are formed in two sides of the two connecting discs (19).