CN219712384U - Gate valve with good sealing performance - Google Patents
Gate valve with good sealing performance Download PDFInfo
- Publication number
- CN219712384U CN219712384U CN202320298776.0U CN202320298776U CN219712384U CN 219712384 U CN219712384 U CN 219712384U CN 202320298776 U CN202320298776 U CN 202320298776U CN 219712384 U CN219712384 U CN 219712384U
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- Prior art keywords
- pressing
- valve
- valve rod
- recess
- ring
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- 238000007789 sealing Methods 0.000 title claims abstract description 53
- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 28
- 230000002787 reinforcement Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model provides a gate valve that leakproofness is good, includes the valve body, be equipped with inlet channel, play water channel and valve rod in the valve body, fixed mounting has the valve plate on the valve rod, be equipped with sealed chamber on the valve body, sealed chamber bottom is fixed with the sealing washer, be fixed with the clamping ring on the valve rod, be equipped with first recess on the sealing washer, be equipped with the clamping piece in the first recess, first recess bottom intercommunication has the second recess, be equipped with the reinforcement ring in the sealing washer, be fixed with the ball of pressing with pressing block bottom surface butt through the spring in the second recess, the ball of pressing makes its deformation to the valve rod direction of downward movement extrusion reinforcement ring under the effect of pressing the piece, when using, drives the clamping ring through rotating the valve rod and presses the pressing piece to in the first recess, can press close more to the sealing washer to the valve rod direction through the extrusion of two, the clamping piece also can be with pressing down the ball, presses the ball to press the leakproofness between reinforcement ring and the valve rod, further improves waterproof leak protection effect.
Description
Technical Field
The utility model relates to a gate valve with good sealing performance, and belongs to the field of valves.
Background
The gate valve is a shutter, the moving direction of the shutter is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed, the gate valve cannot be regulated and throttled, the gate valve is sealed through the contact of the valve seat and the shutter, a metal material can be installed on a sealing surface to increase the wear resistance, the gate valve is driven to open and close by lifting of the valve rod, the existing gate valve is generally opened and closed through the rotation of a handle when in use, but the existing gate valve is used for a long time, the sealing effect of the valve is insufficient when being closed, water leakage is easily caused at the valve rod, the sealing ring is added in the traditional processing mode, the sealing ring is also gradually deteriorated due to aging, the valve cannot work normally, the maintenance of the valve is inconvenient, and the valve cannot be replaced in time after the sealing ring is aged.
Disclosure of Invention
The utility model aims to overcome the defects and the shortcomings of the prior art and provide a gate valve with good sealing performance.
The utility model provides a gate valve that leakproofness is good, includes the valve body, be equipped with inlet channel, play water channel and valve rod in the valve body, fixed mounting has the valve plate on the valve rod, be equipped with sealed chamber on the valve body, sealed chamber bottom is fixed with the sealing washer, be fixed with the clamping ring on the valve rod, be equipped with first recess on the sealing washer, be equipped with the clamping piece in the first recess, first recess bottom intercommunication has the second recess, be equipped with the reinforcement ring in the sealing washer, be fixed with the ball of pressing with pressing block bottom surface butt through the spring in the second recess, the ball of pressing makes its deformation to the valve rod direction of downward movement extrusion reinforcement ring under the effect of pressing the piece, when using, drives the clamping ring through rotating the valve rod and presses the pressing piece to in the first recess, can press close more to the sealing washer to the valve rod direction through the extrusion of two, the clamping piece also can be with pressing down the ball, presses the ball to press the leakproofness between reinforcement ring and the valve rod, further improves waterproof leak protection effect.
Further, the cross section of first recess and pressing piece is trapezoidal, is convenient for press the piece to produce the extrusion force to the sealing washer, improves the leakproofness.
Preferably, the pressing block top is equipped with presses the post, presses the clamping ring and presses the post butt with pressing when the valve rod descends, helps to press the clamping ring to press the briquetting in place, when the valve rod rises, can push back the ball and the clamping block through the elasticity of spring and reset, waits for the valve rod to descend sealed next time, reduces the deformation time of sealing washer and reinforcing ring, increases the life of sealing washer and reinforcing ring.
Further, the inner wall of the reinforcing ring is abutted with the valve rod.
Further, the outer wall of the reinforcing ring is triangular, the pressing strength of the pressing ball and the reinforcing ring is increased, the abutting strength between the reinforcing ring and the valve rod is increased through the protruding triangle, the sealing performance is improved, and other shapes, such as a semicircle shape and the like, can be designed besides the triangle.
Furthermore, the reinforcing ring is arranged at the bottom of the sealing ring and is sealed together with the sealing ring, so that the normal operation of the valve is further ensured, the occurrence of water leakage and other conditions is avoided, and the position of the reinforcing ring can be further carried out according to the valve body.
The beneficial effects of the utility model are as follows: when using, drive the pressing ring through the rotation valve rod and press the piece to press to in the first recess, can press close to the sealing washer to the valve rod direction more through the extrusion of two, press the briquetting also can press down the ball, press the ball extrusion to strengthen the leakproofness between circle and the valve rod, further improve waterproof leak protection's effect.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
FIG. 1 is a main block diagram of the present utility model;
FIG. 2 is an enlarged detail view at A in FIG. 1;
FIG. 3 is a schematic view showing a state where the valve stem is lowered at A;
fig. 4 is a main body structure diagram of a second embodiment;
in the figure, 1, a valve body; 11. a water inlet channel; 12. a water outlet channel; 13. a valve stem; 14. a valve plate; 15. a pressing ring; 2. sealing the cavity; 21. a seal ring; 211. a first groove; 212. pressing the blocks; 2121. pressing the column; 212. a second groove; 213. pressing the ball; 214. a spring; 215. and (5) reinforcing the ring.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.
The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1-3, an embodiment of a gate valve with good sealing performance according to the present utility model includes a valve body 1, a water inlet channel 11, a water outlet channel 12 and a valve rod 13 are provided in the valve body 1, a valve plate 14 is fixedly installed on the valve rod 13, a sealing cavity 2 is provided on the valve body 1, a sealing ring 21 is fixed at the bottom of the sealing cavity 2, a pressing ring 15 is fixed on the valve rod 13, a first groove 211 is provided on the sealing ring 21, a pressing block 212 is provided in the first groove 211, a second groove 212 is communicated with the bottom of the first groove 211, a reinforcing ring 215 is provided in the sealing ring 21, a pressing ball 213 abutting against the bottom surface of the pressing block 212 is fixed in the second groove 212 through a spring 214, the pressing ball 213 moves downward under the action of the pressing block 212 to deform the reinforcing ring 215 in the direction of the valve rod 13, when in use, the pressing ring 15 is driven by rotating the valve rod 13 to press the pressing block 212 into the first groove 211, the sealing ring 21 can be pressed closer to the direction of the valve rod 13 through the pressing of the pressing ring, the pressing block 212 also presses the pressing ball 213 downward, the pressing ball 213 between the reinforcing ring 215 and the valve rod 13, and the sealing performance is further improved.
The cross sections of the first groove 211 and the pressing block 212 are trapezoidal, so that the pressing block 212 can generate extrusion force to the sealing ring 21 conveniently, and the sealing performance is improved. The top of the pressing block 212 is provided with a pressing post 2121, the pressing ring 15 is abutted against the pressing post 2121 when the valve rod 13 descends, the pressing ring 15 is helped to press the pressing block 212 in place, when the valve rod 13 ascends, the pressing ball 213 and the pressing block 212 can be pushed back and reset through the elastic force of the spring 214, the next descending sealing of the valve rod 13 is waited, the deformation time of the sealing ring 21 and the reinforcing ring 215 is reduced, and the service lives of the sealing ring 21 and the reinforcing ring 215 are prolonged.
The inner wall of the reinforcing ring 215 abuts against the valve stem 13. The reinforcing ring 215 is arranged at the bottom of the sealing ring 21 and is sealed together with the sealing ring 21, so that the normal operation of the valve is further ensured, the occurrence of water leakage and other conditions is avoided, and the position of the reinforcing ring 215 can be carried out according to the valve body 1.
As shown in fig. 1-4, an embodiment of a gate valve with good sealing performance according to the present utility model includes a valve body 1, a water inlet channel 11, a water outlet channel 12 and a valve rod 13 are provided in the valve body 1, a valve plate 14 is fixedly installed on the valve rod 13, a sealing cavity 2 is provided on the valve body 1, a sealing ring 21 is fixed at the bottom of the sealing cavity 2, a pressing ring 15 is fixed on the valve rod 13, a first groove 211 is provided on the sealing ring 21, a pressing block 212 is provided in the first groove 211, a second groove 212 is communicated with the bottom of the first groove 211, a reinforcing ring 215 is provided in the sealing ring 21, a pressing ball 213 abutting against the bottom surface of the pressing block 212 is fixed in the second groove 212 through a spring 214, the pressing ball 213 moves downward under the action of the pressing block 212 to deform the reinforcing ring 215 in the direction of the valve rod 13, when in use, the pressing ring 15 is driven by rotating the valve rod 13 to press the pressing block 212 into the first groove 211, the sealing ring 21 can be pressed closer to the direction of the valve rod 13 through the pressing of the pressing ring, the pressing block 212 also presses the pressing ball 213 downward, the pressing ball 213 between the reinforcing ring 215 and the valve rod 13, and the sealing performance is further improved.
The difference between this embodiment and the above embodiment is that, referring to fig. 1-4, the outer wall of the reinforcing ring 215 is triangular, so as to increase the pressing strength of the pressing ball 213 and the reinforcing ring 215, and the protruding triangle helps the reinforcing ring to increase the contact strength with the valve stem 13, so as to improve the sealing performance, and other shapes besides the triangle, such as a semicircle, can be designed.
The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.
While the utility model has been described with reference to several particular embodiments, it should be understood that the utility model is not limited to the particular embodiments disclosed. The utility model is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (6)
1. The utility model provides a gate valve that leakproofness is good, includes the valve body, be equipped with inlet channel, play water channel and valve rod in the valve body, fixed mounting has the valve plate on the valve rod, its characterized in that: be equipped with the seal chamber on the valve body, seal chamber bottom is fixed with the sealing washer, be fixed with the clamping ring on the valve rod, be equipped with first recess on the sealing washer, be equipped with the clamping block in the first recess, first recess bottom intercommunication has the second recess, be equipped with the reinforcing ring in the sealing washer, be fixed with the ball of pressing with pressing the butt of block bottom surface through the spring in the second recess, the ball of pressing down removes the extrusion reinforcing ring under the effect of pressing the block and makes it produce the deformation to the valve rod direction.
2. The well-sealed gate valve of claim 1, wherein: the cross sections of the first groove and the pressing block are trapezoid.
3. The well-sealed gate valve of claim 2, wherein: the top of the pressing block is provided with a pressing column, and the pressing ring is abutted with the pressing column when the valve rod descends.
4. The well-sealed gate valve of claim 1, wherein: the inner wall of the reinforcing ring is abutted with the valve rod.
5. The well-sealed gate valve of claim 4, wherein: the outer wall of the reinforcing ring is triangular.
6. The well-sealed gate valve of claim 5, wherein: the reinforcing ring is arranged at the bottom of the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320298776.0U CN219712384U (en) | 2023-02-23 | 2023-02-23 | Gate valve with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320298776.0U CN219712384U (en) | 2023-02-23 | 2023-02-23 | Gate valve with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219712384U true CN219712384U (en) | 2023-09-19 |
Family
ID=87977890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320298776.0U Active CN219712384U (en) | 2023-02-23 | 2023-02-23 | Gate valve with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219712384U (en) |
-
2023
- 2023-02-23 CN CN202320298776.0U patent/CN219712384U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |