CN220416291U - Hidden rod rubber sealing gate valve body - Google Patents
Hidden rod rubber sealing gate valve body Download PDFInfo
- Publication number
- CN220416291U CN220416291U CN202322092147.5U CN202322092147U CN220416291U CN 220416291 U CN220416291 U CN 220416291U CN 202322092147 U CN202322092147 U CN 202322092147U CN 220416291 U CN220416291 U CN 220416291U
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- Prior art keywords
- valve
- valve body
- reverse
- nut
- rod
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Links
- 238000007789 sealing Methods 0.000 title abstract description 15
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000000084 colloidal system Substances 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 230000002457 bidirectional effect Effects 0.000 abstract description 19
- 230000000694 effects Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a hidden rod rubber seal gate valve body, which relates to the technical field of valve bodies and comprises a bidirectional screw and a valve pipe, wherein the bidirectional screw is arranged in the valve pipe, a reverse thread is arranged on the left side of the bidirectional screw, a forward thread is arranged on the right side of the bidirectional screw, a reverse nut is sleeved outside the reverse thread, the forward nut is sleeved outside the forward thread, a valve body is fixedly connected between the valve pipes, a valve cover is arranged above the valve body, a top cover is arranged above the valve cover, and a connecting rod is arranged inside the top cover. Compared with the existing common valve body with the hidden rod, the valve body of the hidden rod rubber sealing gate valve is provided with the forward nut sleeved outside the forward thread of the bidirectional screw, and the reverse nut sleeved outside the reverse thread of the bidirectional screw, so that if the valve pipe and the water pipe are connected, the forward nut and the reverse nut on the bidirectional screw do reverse movement under the vibration of water pressure, and then the situation of water leakage is prevented.
Description
Technical Field
The utility model relates to the technical field of valve bodies, in particular to a valve body of a rubber seal gate valve with a hidden rod.
Background
The opening and closing part of the hidden rod gate valve is a gate plate, the moving direction of the gate plate is perpendicular to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled. The gate plate has two sealing surfaces, and the two sealing surfaces of the most commonly used mode gate valve form a wedge shape, and the wedge angle varies with valve parameters. The gate plate of the wedge gate valve can be made into a whole, which is called a rigid gate plate; the elastic flashboard can also be made into a flashboard capable of generating micro deformation so as to improve manufacturability and make up deviation of the angle of the sealing surface in the processing process, and the flashboard is called an elastic flashboard.
The valve comprises a valve body, a valve cover, a rubber sealing gasket, a top cover, a valve rod fixing block, a shaft sleeve, a valve rod, a hand wheel, a valve rod nut, a sealing seat, a wedge-shaped flashboard, a locking pin, a sealing filler, a sealing ring and a dust cover. The utility model achieves the effects of increasing the whole sealing effect of the valve, preventing leakage, prolonging the service life of the valve and achieving good sealing effect after long-time opening and closing, but the screw of the hidden rod valve body at the joint of the valve pipe and the water pipe can be loosened under the vibration of water pressure, so that the water leakage condition can occur.
Accordingly, in view of the above, a valve body of a rubber seal gate valve with a hidden rod has been proposed, which is improved against the shortcomings of the conventional structure.
Disclosure of Invention
The utility model aims to provide a valve body of a hidden rod rubber seal gate valve, which solves 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 dark pole rubber seal gate valve body, includes two-way screw and valve pipe, the inside of valve pipe is provided with two-way screw, and the left side of two-way screw has seted up reverse screw thread, forward screw thread has been seted up on the right side of two-way screw, and reverse screw thread's overcoat has reverse nut to forward screw thread's overcoat has forward nut.
Preferably, a valve body is fixedly connected between the valve pipes, and a valve cover is arranged above the valve body.
Preferably, a top cover is arranged above the valve cover, and a connecting rod is arranged in the top cover.
Preferably, a hand wheel is fixedly connected to the upper portion of the connecting rod, and a valve rod is fixedly connected to the lower portion of the connecting rod.
Preferably, a valve plate is arranged outside the lower end of the valve rod.
Preferably, a rubber pad is arranged between the valve body and the valve cover, and colloid is wrapped outside the valve body and the valve cover.
Preferably, the inner wall of the valve tube is sprayed with an epoxy resin coating.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the bidirectional screw, the forward nut and the reverse nut, the forward nut is sleeved outside the forward thread of the bidirectional screw, and the reverse nut is sleeved outside the reverse thread, so that if the valve pipe and the water pipe are connected, the forward nut and the reverse nut on the bidirectional screw do reverse movement under the vibration of water pressure, thereby preventing the loosening condition and then the water leakage condition;
2. according to the utility model, the colloid is integrally wrapped on the outer sides of the valve body and the valve cover through the arrangement of the colloid, so that the sealing reliability is ensured, and the service life of the valve body is prolonged;
3. according to the utility model, through the arrangement of the epoxy resin coating, the epoxy resin coating is sprayed on the inner wall of the valve pipe, so that the purpose of preventing the valve pipe from being corroded and rusted under the continuous flushing of water is achieved.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a schematic view of a bi-directional screw structure according to the present utility model;
FIG. 3 is a schematic cross-sectional view of the main structure of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
In the figure: 1. a hand wheel; 2. a valve body; 3. a valve cover; 4. a top cover; 5. a forward nut; 6. a bidirectional screw; 7. a valve tube; 8. a reverse nut; 9. reverse threads; 10. forward threads; 11. a colloid; 12. an epoxy resin coating; 13. a rubber pad; 14. a valve stem; 15. a valve plate; 16. and (5) connecting a rod.
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 embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-2, a valve body of a rubber sealing gate valve with a hidden rod comprises a bidirectional screw 6 and a valve pipe 7, wherein the bidirectional screw 6 is arranged in the valve pipe 7, a reverse screw thread 9 is arranged on the left side of the bidirectional screw 6, a forward screw thread 10 is arranged on the right side of the bidirectional screw 6, a reverse screw nut 8 is sleeved outside the reverse screw thread 9, a forward screw nut 5 is sleeved outside the forward screw thread 10 of the bidirectional screw 6, meanwhile, a reverse screw nut 8 is sleeved outside the reverse screw thread 9, and at the moment, if the valve pipe 7 is connected with a water pipe, the forward screw nut 5 and the reverse screw nut 8 on the bidirectional screw 6 do reverse movement under the vibration of water pressure so as to prevent the loosening condition from occurring, and then the water leakage condition occurs.
Further, valve body 2 is fixedly connected between valve pipe 7, and the top of valve body 2 is provided with valve gap 3, makes things convenient for the staff to dismantle this hidden rod casket valve.
Further, a top cover 4 is arranged above the valve cover 3, and a connecting rod 16 is arranged inside the top cover 4 and used for controlling a valve rod 14 below
As shown in fig. 3-4, a hand wheel 1 is fixedly connected above the connecting rod 16, and a valve rod 14 is fixedly connected below the connecting rod 16 for controlling the on-off of water flow in the valve tube 7.
Further, a valve plate 15 is provided outside the lower end of the valve stem 14 for blocking the flow of water.
Further, a rubber pad 13 is arranged between the valve body 2 and the valve cover 3, the outer sides of the valve body 2 and the valve cover 3 are wrapped with a colloid 11, the outer sides of the valve body 2 and the valve cover 3 are integrally wrapped with the colloid 11, good covering performance and geometric dimension are guaranteed to be sealed reliably, and therefore the service life of the valve body 2 is prolonged.
Further, the inner wall of the valve tube 7 is sprayed with an epoxy resin coating 12, and the inner wall of the valve tube 7 is sprayed with the epoxy resin coating 12, so that the purpose of preventing the valve tube 7 from corrosion and rust under the continuous flushing of water is achieved.
Working principle: when the valve body of the hidden rod rubber seal gate valve is used, firstly, the forward nut 5 is sleeved outside the forward thread 10 of the bidirectional screw 6, meanwhile, the reverse nut 8 is sleeved outside the reverse thread 9, at this time, if the valve pipe 7 and the water pipe are connected, the forward nut 5 and the reverse nut 8 on the bidirectional screw 6 do reverse movement under the vibration of water pressure so as to prevent the loosening, and then the water leakage condition occurs, the colloid 11 is integrally wrapped outside the valve body 2 and the valve cover 3, the good coverage performance and the geometric dimension are guaranteed, the sealing is reliable, the service life of the valve body 2 is prolonged, the epoxy resin coating 12 is sprayed on the inner wall of the valve pipe 7, and the purpose of preventing the valve pipe 7 from corrosion and rust under the continuous flushing of water is achieved, which is the working principle of the valve body of the hidden rod rubber seal gate valve.
Claims (7)
1. The utility model provides a dark pole rubber seal gate valve body, includes two-way screw (6) and valve pipe (7), its characterized in that, the inside of valve pipe (7) is provided with two-way screw (6), and reverse screw thread (9) have been seted up in the left side of two-way screw (6), forward screw thread (10) have been seted up on the right side of two-way screw (6), and the overcoat of reverse screw thread (9) has reverse nut (8) to the overcoat of forward screw thread (10) has forward nut (5).
2. The valve body of the hidden rod rubber seal gate valve according to claim 1, wherein a valve body (2) is fixedly connected between the valve pipes (7), and a valve cover (3) is arranged above the valve body (2).
3. The blind rod rubber seal gate valve body according to claim 2, wherein a top cover (4) is arranged above the valve cover (3), and a connecting rod (16) is arranged inside the top cover (4).
4. A blind rod rubber seal gate valve body according to claim 3, characterized in that the upper part of the connecting rod (16) is fixedly connected with a hand wheel (1), and the lower part of the connecting rod (16) is fixedly connected with a valve rod (14).
5. A blind rod rubber seal gate valve body according to claim 4, characterized in that the lower end of the valve rod (14) is externally provided with a valve plate (15).
6. The blind rod rubber seal gate valve body according to claim 2, wherein a rubber pad (13) is arranged between the valve body (2) and the valve cover (3), and the outer sides of the valve body (2) and the valve cover (3) are wrapped with a colloid (11).
7. The blind rod rubber seal gate valve body according to claim 1, characterized in that the inner wall of the valve tube (7) is sprayed with an epoxy resin coating (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322092147.5U CN220416291U (en) | 2023-08-04 | 2023-08-04 | Hidden rod rubber sealing gate valve body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322092147.5U CN220416291U (en) | 2023-08-04 | 2023-08-04 | Hidden rod rubber sealing gate valve body |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220416291U true CN220416291U (en) | 2024-01-30 |
Family
ID=89651687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322092147.5U Active CN220416291U (en) | 2023-08-04 | 2023-08-04 | Hidden rod rubber sealing gate valve body |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220416291U (en) |
-
2023
- 2023-08-04 CN CN202322092147.5U patent/CN220416291U/en active Active
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