CN220227847U - High-temperature wear-resistant Y-shaped stop valve special for polysilicon - Google Patents
High-temperature wear-resistant Y-shaped stop valve special for polysilicon Download PDFInfo
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- CN220227847U CN220227847U CN202322085104.4U CN202322085104U CN220227847U CN 220227847 U CN220227847 U CN 220227847U CN 202322085104 U CN202322085104 U CN 202322085104U CN 220227847 U CN220227847 U CN 220227847U
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- valve
- ring
- fixedly connected
- resistant
- temperature wear
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 16
- 229920005591 polysilicon Polymers 0.000 title description 7
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 16
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000012774 insulation material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a high-temperature wear-resistant Y-shaped stop valve special for polycrystalline silicon, which comprises a pipe body, wherein a positioning ring is arranged in the pipe body, an elastic metal ring is fixedly connected to the positioning ring, a valve clack assembly is arranged above the elastic metal ring, a valve rod is connected above the valve clack assembly in a threaded manner, the valve clack assembly comprises a first valve ring which is connected in a sliding groove on the inner wall of the valve pipe in a sliding manner, a spherical seal is arranged below the first valve ring, and a sealing ring is fixedly connected below the first valve ring.
Description
Technical Field
The utility model relates to the field of valves, in particular to a high-temperature wear-resistant Y-shaped stop valve special for polysilicon.
Background
The Y-shaped stop valve is the most widely used valve, is popular because the friction force between sealing surfaces in the opening and closing process is small, the Y-shaped stop valve is durable, the opening height is small, the manufacturing is easy, the maintenance is convenient, and the Y-shaped stop valve is not only suitable for medium and low pressure, but also suitable for high pressure.
The utility model of publication No. CN208919449U discloses a Y-shaped stop valve, which comprises a pipeline and a sealing gasket, wherein the sealing gasket is arranged in the pipeline, a water pipe passage is arranged in the pipeline, a sealing shell is fixedly connected to the top of the left part of the pipeline, a connecting rod is fixedly connected to the middle position of the top of the sealing gasket, a push rod is connected to the top of the connecting rod, a protecting shell is fixedly connected to the top of the sealing shell, an upper sealing seat is arranged at the top of the inner part of the sealing shell, a sealing block is arranged at the top of the upper sealing seat, a movable bolt nut is fixedly connected to the side surface of the lower part of the protecting shell, a hand wheel is rotationally connected to the right side of a power conversion chamber, two telescopic columns are arranged between the sealing gasket and the connecting rod, the technology connects the extruding block and the connecting plate through the telescopic columns, the telescopic columns are subjected to pressure start to be reduced when the hand wheel is rotated, so that a spring is contracted, then the spring can compress the sealing gasket, and the phenomenon that water cannot leak is avoided
However, this technique has a problem that the water pipe passage is sealed and cut off by the elasticity of the spring under the pressure of the telescopic column, and when the Y-type cut-off valve faces to the environment of high temperature and high pressure, the elasticity of the spring is changed to cause leakage, and the medium cut off by the Y-type cut-off valve is easily frozen or crystallized, which affects the sealing performance of the device.
Disclosure of Invention
The utility model aims to provide a high-temperature wear-resistant Y-shaped stop valve special for polysilicon, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special high temperature wear-resisting Y type stop valve of polycrystalline silicon, includes the body, be provided with the holding ring in the body, fixedly connected with elasticity metal washer on the holding ring, elasticity metal washer top is provided with the valve clack subassembly, valve clack subassembly top threaded connection has the valve rod, the sealing member that sliding connection was run through to the valve rod upper end rotates with the driving piece to be connected, the valve clack subassembly includes first valve ring, first valve ring sliding connection is in the spout of valve pipe inner wall, first valve ring below still is provided with spherical seal, first valve ring below still fixedly connected with sealing ring.
As the preferable technical scheme of the utility model, a second valve ring is fixedly connected below the first valve ring, a third valve ring is fixedly connected below the second valve ring, a spherical seal is fixedly connected below the third valve ring, and the spherical seal and the elastic metal ring are movably and tightly attached.
As the preferable technical scheme of the utility model, the outer side of the first valve ring is provided with a limiting ring which is in sliding connection in a sliding groove, and the length of the sliding groove is equal to the distance of the maximum opening and closing range of the valve clack assembly.
As the preferable technical scheme of the utility model, a sealing ring is detachably and fixedly connected between the lower end surface of the first valve ring and the upper end surface of the third valve ring, a cavity is formed in the sealing ring, and heat insulation materials are filled in the cavity.
As a preferable technical scheme of the utility model, the valve clack assembly is arranged in a valve pipe, a support is connected above the valve pipe through a threaded bolt, and a driving piece is fixedly connected above the support.
As a preferable technical scheme of the utility model, a valve rod groove is arranged in the valve clack assembly, and the valve rod is in threaded connection with the valve clack assembly through the valve rod groove.
As a preferable technical scheme of the utility model, one end of the pipe body is provided with an output port, the other end of the pipe body is provided with an inlet, and one side of the pipe body is communicated with a valve pipe.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the utility model, the valve rod is driven to rotate by the driving piece, the valve rod applies pressure downwards to push the valve clack assembly to close, the spherical seal arranged below the valve clack assembly is tightly attached to the elastic metal ring on the positioning ring to cut off the pipe, the limiting ring of the first valve ring is slidably connected in the sliding groove, the moving range of the valve clack assembly is limited, and the damage of the elastic metal ring or the spherical seal caused by too large power input is avoided, so that the sealing performance is influenced.
(2) According to the utility model, the sealing ring is arranged between the first valve ring and the second valve ring, the medium is isolated in the pipe body and is also isolated outside the valve clack assembly, the heat insulation material is filled in the sealing piece, the loss of heat in the valve clack assembly is reduced, and the crystallization of the medium with too low temperature on the valve clack assembly is avoided, so that the sealing performance is influenced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the component structure of a high temperature wear resistant Y-type stop valve dedicated to polysilicon according to an embodiment of the utility model;
fig. 2 is a schematic diagram of the valve clack structure of the high-temperature wear-resistant Y-shaped stop valve special for polysilicon according to the embodiment of the utility model.
Reference numerals:
10. a tube body; 11. a positioning ring; 12. an elastic metal ring; 13. an output port; 14. an access port; 15. a valve stem; 16. a seal; 17. a driving member; 18. a bracket; 19. a valve tube; 20. a valve flap assembly; 21. a first valve ring; 22. a limiting ring; 23. a chute; 24. a second valve ring; 25. a third valve ring; 26. spherical sealing; 27. a valve stem groove; 28. a seal ring; 29. a cavity.
Detailed Description
The utility model is further described below with reference to the accompanying drawings and detailed description:
referring to fig. 1-2, the high temperature wear-resistant Y-shaped stop valve specially used for polysilicon according to the embodiment of the utility model comprises a pipe body 10, wherein a positioning ring 11 is arranged in the pipe body 10, the positioning ring 11 is a center through which medium flows and is matched with a valve clack assembly 20 to cut off, an elastic metal ring 12 is fixedly connected on the positioning ring 11, a valve clack assembly 20 is arranged above the elastic metal ring 12, a valve rod 15 is connected above the valve clack assembly 20 in a threaded manner, a sealing element 16 penetrating through the upper end of the valve rod 15 is rotationally connected with a driving element 17, the sealing element 16 and the driving element 17 are not in the novelty of the utility model, and refer to common Y-shaped stop valves in the market, which are not described in detail herein, the valve clack assembly 20 comprises a first valve ring 21, the first valve ring 21 is slidingly connected in a chute 23 on the inner wall of a valve pipe 19, a spherical sealing 26 is also arranged below the first valve ring 21, the spherical sealing 26 is embedded with the positioning ring 11, and sealing rings 28 and 28 are fixedly connected below the first ring 21 are used for forming a sealing ring 29.
In this embodiment, a second valve ring 24 is fixedly connected to the lower portion of the first valve ring 21, a third valve ring 25 is fixedly connected to the lower portion of the second valve ring 24, a spherical seal 26 is fixedly connected to the lower portion of the third valve ring 25, and the spherical seal 26 and the elastic metal ring 12 are movably and tightly attached to each other.
The first, second and third valve rings 21, 24 and 25, which are rigidly connected, can directly transmit the power of the driver 17, and the ball seal 26 is sealingly connected to the elastic metal ring 12 under the power of the driver 17.
In this embodiment, a limiting ring 22 is disposed on the outer side of the first valve ring 21, the limiting ring 22 is slidably connected in a sliding groove 23, and the length of the sliding groove 23 is equal to the distance of the maximum opening and closing range of the valve clack assembly 20.
Wherein, the cooperation of spacing ring 22 and spout 23 is used and is restricted the valve clack subassembly 20 in the fixed range removal, avoids driving piece 17 output power too big, damages the component, prolongs the life of this device.
In this embodiment, a sealing ring 28 is detachably and fixedly connected between the lower end surface of the first valve ring 21 and the upper end surface of the third valve ring 25, a cavity 29 is formed in the sealing ring 28, and a heat insulation material is filled in the cavity 29.
Wherein, the sealing ring 28 is internally provided with a cavity 29 filled with heat-insulating material, thereby reducing the loss of heat in the valve clack assembly 20 and avoiding the crystallization of medium with too low temperature on the valve clack assembly 20 to influence the sealing performance.
In this embodiment, the valve clack assembly 20 is disposed in the valve tube 19, a bracket 18 is screwed and connected above the valve tube 19, and a driving member 17 is fixedly connected above the bracket 18.
Wherein the bracket 18 provides space for the movement of the valve stem 15 and also provides a connection for the driver 17.
In this embodiment, the valve clack assembly 20 is provided with a valve rod groove 27, and the valve rod 15 is in threaded connection with the valve clack assembly 20 through the valve rod groove 27.
The valve rod groove 27 penetrates through the first valve ring 21 and the second valve ring 24 to be communicated with the third valve ring 25, so that stability of power transmission is guaranteed.
In this embodiment, one end of the pipe body 10 is provided with an output port 13, the other end of the pipe body 10 is provided with an inlet port 14, and one side of the pipe body 10 is communicated with a valve pipe 19.
Wherein the inlet 14 enters the medium and the outlet 13 exits the medium.
When the valve clack assembly is particularly applied, the driving piece 17 is started, the driving piece 17 drives the valve rod 15 to move, the valve rod 15 moves downwards to push the valve clack assembly 20 to approach the positioning ring 11, after the spherical seal 26 is tightly attached to the elastic metal ring 12, the limiting ring 22 of the first valve ring 21 slides to the bottommost part of the sliding groove 23, at the moment, the driving piece 17 cannot output power, a medium is stopped at two ends of the positioning ring 11, the medium is in a high-pressure and high-temperature form, the sealing ring 28 isolates the medium in the pipe body 10 and also isolates the outside of the valve clack assembly 20, and the rapid loss of heat transfer from the valve clack assembly 20 to the valve rod 15 is avoided, so that the medium is cooled and crystallized on the valve clack assembly 20.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms of "top", "bottom", "one side", "the other side", "front", "rear", "middle portion", "inner", "top", "bottom", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above-described embodiment, but may be modified or substituted for some of the technical features described in the above-described embodiments by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a special high temperature wear-resisting Y type stop valve of polycrystalline silicon, its characterized in that, including body (10), be provided with holding ring (11) in body (10), fixedly connected with elasticity metal washer (12) on holding ring (11), elasticity metal washer (12) top is provided with valve clack subassembly (20), valve clack subassembly (20) top threaded connection has valve rod (15), sealing member (16) and driving piece (17) rotation connection that run through sliding connection in valve rod (15) upper end, valve clack subassembly (20) include first valve ring (21), first valve ring (21) sliding connection is in spout (23) of valve pipe (19) inner wall, first valve ring (21) below still is provided with spherical seal (26), first valve ring (21) below still fixedly connected with sealing ring (28).
2. The high-temperature wear-resistant Y-shaped stop valve special for polycrystalline silicon according to claim 1, wherein a second valve ring (24) is fixedly connected below the first valve ring (21), a third valve ring (25) is fixedly connected below the second valve ring (24), a spherical seal (26) is fixedly connected below the third valve ring (25), and the spherical seal (26) is movably and tightly attached to the elastic metal ring (12).
3. The high-temperature wear-resistant Y-shaped stop valve special for polycrystalline silicon according to claim 1, wherein a limiting ring (22) is arranged on the outer side of the first valve ring (21), the limiting ring (22) is slidably connected in a sliding groove (23), and the length of the sliding groove (23) is equal to the distance of the maximum opening and closing range of the valve clack assembly (20).
4. The high-temperature wear-resistant Y-shaped stop valve special for polycrystalline silicon according to claim 1, wherein a sealing ring (28) is detachably and fixedly connected between the lower end face of the first valve ring (21) and the upper end face of the third valve ring (25), a cavity (29) is formed in the sealing ring (28), and heat-insulating materials are filled in the cavity (29).
5. The high-temperature wear-resistant Y-shaped stop valve special for polycrystalline silicon according to claim 1, wherein the valve clack assembly (20) is arranged in a valve pipe (19), a bracket (18) is connected above the valve pipe (19) through a threaded bolt, and a driving piece (17) is fixedly connected above the bracket (18).
6. The high-temperature wear-resistant Y-shaped stop valve special for polycrystalline silicon according to claim 1, wherein a valve rod groove (27) is formed in the valve clack assembly (20), and the valve rod (15) is in threaded connection with the valve clack assembly (20) through the valve rod groove (27).
7. The high-temperature wear-resistant Y-shaped stop valve special for polycrystalline silicon according to claim 1, wherein one end of the pipe body (10) is provided with an output port (13), the other end of the pipe body (10) is provided with an inlet port (14), and one side of the pipe body (10) is communicated with a valve pipe (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322085104.4U CN220227847U (en) | 2023-08-04 | 2023-08-04 | High-temperature wear-resistant Y-shaped stop valve special for polysilicon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322085104.4U CN220227847U (en) | 2023-08-04 | 2023-08-04 | High-temperature wear-resistant Y-shaped stop valve special for polysilicon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227847U true CN220227847U (en) | 2023-12-22 |
Family
ID=89199132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322085104.4U Active CN220227847U (en) | 2023-08-04 | 2023-08-04 | High-temperature wear-resistant Y-shaped stop valve special for polysilicon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227847U (en) |
-
2023
- 2023-08-04 CN CN202322085104.4U patent/CN220227847U/en active Active
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