CN220470762U - Thin gate valve and split valve body thereof - Google Patents
Thin gate valve and split valve body thereof Download PDFInfo
- Publication number
- CN220470762U CN220470762U CN202322166128.2U CN202322166128U CN220470762U CN 220470762 U CN220470762 U CN 220470762U CN 202322166128 U CN202322166128 U CN 202322166128U CN 220470762 U CN220470762 U CN 220470762U
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- valve body
- valve
- half valve
- thin gate
- flange plate
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- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model relates to a thin gate valve and a split valve body thereof. The split valve body comprises a left half valve body and a right half valve body, a left valve channel is arranged on the left half valve body, a right valve channel is arranged on the right half valve body, a sealing ring is arranged between the left half valve body and the right half valve body, and the left half valve body is connected with the right half valve body through a connecting bolt. The processing is convenient, and the disassembly and maintenance are convenient. The left half valve body is provided with a first flange plate in an integrated manner, the right half valve body is provided with a second flange plate in an integrated manner, each flange plate is provided with a superposition part which is integrated with the corresponding valve body and a bulge part which protrudes out of the corresponding valve body, the superposition part is provided with screw holes for being connected with corresponding pipeline flange screws, and the bulge part is provided with screw holes for being connected with the screw holes on the bulge part of the other flange plate and the pipeline flanges on two sides together through stud bolts. The structure can greatly reduce the size of the valve body in the direction along the flow direction of the medium, and can be suitable for a narrow limited part.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a thin gate valve and a split valve body thereof.
Background
A gate valve is one of the most commonly used shut-off valves, and is mainly used for controlling the flow or shut-off of a medium in a pipeline. The existing gate valve generally comprises a valve body, a valve seat and a gate plate, wherein the valve body is of a general integrated structure, the valve body comprises an installation cavity with an opening at the upper end, connecting flanges are arranged at the left end and the right end of the valve body, the gate plate is provided with an opening at the upper end, a valve cover is arranged at the opening at the upper end of the valve body, and when the valve is used, the connecting flanges at the two ends are respectively in sealing connection with the corresponding flanges on the pipeline. However, the gate valve of this structure has two problems: firstly, the gate valve with the structure is inconvenient to disassemble and maintain; secondly, the whole size of the gate valve along the direction of the medium flow direction is large, and the gate valve cannot be used in a narrow space part, so that the use is limited.
Disclosure of Invention
The utility model aims to provide a split valve body of a thin gate valve, which solves the problems that the disassembly and maintenance are inconvenient and the split valve body cannot be applied to a narrow space part in the prior art; meanwhile, the utility model also aims to provide a thin gate valve using the split valve body.
In order to achieve the above purpose, the split valve body of the thin gate valve adopts the following technical scheme: the split valve body of the thin gate valve comprises a left half valve body and a right half valve body, wherein a left valve channel is arranged on the left half valve body, a right valve channel is arranged on the right half valve body, a sealing ring is arranged between the left half valve body and the right half valve body, and the left half valve body and the right half valve body are connected through a connecting bolt; the left half valve body is provided with a first flange plate in an integrated manner, the right half valve body is provided with a second flange plate in an integrated manner, each flange plate is provided with a superposition part which is integrated with the corresponding valve body and a bulge part which protrudes out of the corresponding valve body, screw holes are arranged on the superposition parts and are used for being connected with corresponding pipeline flange screws, and the bulge parts are provided with screw holes and are used for being connected with the screw holes on the bulge parts of the other flange plate and the pipeline flanges on two sides together through stud bolts.
And a sealing ring mounting groove is formed in the left half valve body or the right half valve body.
The sealing ring is an O-shaped sealing ring.
The thin gate valve adopts the following technical scheme: the thin gate valve comprises a valve body, a valve seat and a gate plate, wherein the valve body comprises a left half valve body and a right half valve body, a left valve channel is arranged on the left half valve body, a right valve channel is arranged on the right half valve body, the valve seat comprises a left valve seat and a right valve seat, a sealing ring is arranged between the left half valve body and the right half valve body, and the left half valve body and the right half valve body are connected through a connecting bolt; the left half valve body is provided with a first flange plate in an integrated manner, the right half valve body is provided with a second flange plate in an integrated manner, each flange plate is provided with a superposition part which is integrated with the corresponding valve body and a bulge part which protrudes out of the corresponding valve body, screw holes are arranged on the superposition parts and are used for being connected with corresponding pipeline flange screws, and the bulge parts are provided with screw holes and are used for being connected with the screw holes on the bulge parts of the other flange plate and the pipeline flanges on two sides together through stud bolts.
And a sealing ring mounting groove is formed in the left half valve body or the right half valve body.
The sealing ring is an O-shaped sealing ring.
And a sealing structure and a first spring are arranged between each valve seat and the corresponding valve body, and the corresponding valve seats and the flashboard can be sealed and attached by the first spring.
The left valve seat is connected with a left protection plate through threads, and the right valve seat is provided with a right protection plate through threads; the valve body is provided with a lower valve cavity, the left protection plate and the right protection plate are respectively provided with an extension part which extends downwards and is positioned in the lower valve cavity, and the extension parts of the left protection plate and the right protection plate are used for being attached to the flashboard to play a role in guiding and sealing.
A second spring is arranged between the left protection plate and the left valve body, and a third spring is arranged between the right protection plate and the right valve body.
The left valve body is provided with a first adjusting bolt for adjusting the pretightening force of the second spring, and the right valve body is provided with a second adjusting bolt for adjusting the pretightening force of the third spring.
The utility model has the beneficial effects that: the valve body is arranged into a component structure, and the left half valve body and the right half valve body are sealed and fixed through the sealing ring and the connecting bolt, so that the valve is convenient to process and convenient to disassemble and repair. The first flange plate is directly formed integrally on the left half valve body, the second flange plate is directly formed integrally on the right half valve body, each flange plate is provided with a part overlapped with the corresponding valve body and a convex part, the overlapped part is connected with the pipeline flange through a screw, bolt holes in the convex parts on the first flange plate and the second flange plate are connected with pipelines on two sides through stud bolts, the flanges on two sides are clamped with the valve body, a pair-clamping type connecting structure is formed, the size of the valve body in the direction along the flow direction of a medium can be greatly reduced, and the valve body is applicable to a narrow limited part.
Drawings
FIG. 1 is a schematic illustration of one embodiment of a thin gate valve of the present utility model;
FIG. 2 is a schematic view of the internal structure of the thin gate valve of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a partial enlarged view at B in FIG. 2;
fig. 5 is a partial enlarged view at C in fig. 2.
Detailed Description
The embodiment of the thin gate valve disclosed by the utility model comprises a valve body 1, a valve seat and a gate plate 3, wherein the valve body is provided with a valve channel 2, a valve rod 4 is connected above the gate plate, the valve rod is connected with an executing mechanism 5, and the executing mechanism can also be a cylinder, so that the gate plate can be closed and opened. In this embodiment, the valve body includes a left half valve body 11 and a right half valve body 12, a sealing ring 24 is provided between the left half valve body and the right half valve body, and the left half valve body and the right half valve body are connected by a connecting bolt. Specifically, a sealing ring mounting groove is formed in the left half valve body or the right half valve body. The sealing ring adopts an O-shaped sealing ring. In this embodiment, the valve passage 2 includes a left valve passage 13 provided on the left half valve body 11 and a right valve passage 14 provided on the right half valve body 12. The valve seats comprise a left valve seat 15 and a right valve seat 16, and the left valve seat and the right valve seat are movable valve seats. And sealing structures and first springs are arranged between the valve seats and the corresponding valve bodies, the sealing structures adopt sealing rings, and the first springs can enable the corresponding valve seats to be in sealing fit with the flashboard. The first springs include a left first spring 20 disposed on the left valve seat 15 and a right second spring 21 disposed on the right valve seat 16.
The left half valve body 11 is integrally formed with a first flange plate 6, the right half valve body is integrally formed with a second flange plate, and each flange plate is provided with a superposition part 7 integrally formed with the corresponding valve body and a bulge part 8 protruding out of the corresponding valve body. Screw holes 9 are arranged on the overlapping portions 7 and are used for being connected with corresponding pipeline flange screws. The projecting portion 8 is provided with bolt holes 10 for connecting together with bolt holes in the projecting portion of the other flange plate and the pipe flanges on both sides by stud bolts. This arrangement allows the valve body to be greatly reduced in size in the direction of the medium flow.
In this embodiment, inside the valve body, a left protection plate 18 is screwed on the left valve seat 15, and a right protection plate 19 is screwed on the right valve seat 16. The valve body is provided with a lower valve cavity, the left protection plate and the right protection plate are respectively provided with an extension part which extends downwards and is positioned in the lower valve cavity, and the extension parts of the left protection plate and the right protection plate are used for being attached to the flashboard to play a role in guiding the flashboard in the opening and closing process and play a role in corroding and damaging the valve body when medium is placed in the lower valve cavity in a sealing manner with the flashboard. A second spring 22 is arranged between the left protection plate and the left valve body, and a third spring 23 is arranged between the right protection plate and the right valve body. The left valve body is provided with a first adjusting bolt for adjusting the pretightening force of the second spring, the right valve body is provided with a second adjusting bolt 17 for adjusting the pretightening force of the third spring, and each first adjusting bolt and each second adjusting bolt penetrate through the corresponding valve body to be propped against the corresponding protection plate. Through first, second adjusting bolt, can realize the cooperation dynamics between left guard plate or right guard plate and the flashboard.
When the pipeline flange on the left pipeline is attached to the first flange plate in use, and then the pipeline flange is connected with the first flange plate through screw holes on the first flange plate through screws, so that the pipeline flange and the valve body are fixedly connected, and the pipeline flange on the right pipeline and the second flange plate are also connected in the same connecting mode. The pipeline flange part of the left pipeline corresponding to the bolt hole on the first flange plate and the pipeline flange part of the right pipeline corresponding to the bolt hole on the second flange plate are provided with stud bolts in a penetrating way, so that the left pipeline and the right pipeline are clamped and fixed to form a double-clamping structure, and the complete valve body is fixedly and hermetically connected with the left pipeline and the right pipeline.
In other embodiments of the present utility model, the left protection plate and the left valve seat may be integrally formed, and the two may be welded together or screwed together; the right protection plate and the right valve seat can be integrally formed and can be welded together or connected together by screws; the left valve body and the right valve body are not provided with adjusting bolts.
The embodiment of the split valve body of the thin gate valve of the present utility model is the same as the valve body in each embodiment of the thin gate valve, and will not be repeated here.
Claims (10)
1. A split valve body of a thin gate valve is characterized in that: the valve comprises a left half valve body and a right half valve body, wherein a left valve channel is arranged on the left half valve body, a right valve channel is arranged on the right half valve body, a sealing ring is arranged between the left half valve body and the right half valve body, and the left half valve body and the right half valve body are connected through a connecting bolt; the left half valve body is provided with a first flange plate in an integrated manner, the right half valve body is provided with a second flange plate in an integrated manner, each flange plate is provided with a superposition part which is integrated with the corresponding valve body and a bulge part which protrudes out of the corresponding valve body, screw holes are formed in the superposition part and are used for being connected with corresponding pipeline flange screws, and the bulge part is provided with screw holes and are used for being connected with the screw holes in the bulge part of the other flange plate and pipeline flanges on two sides together through stud bolts.
2. The split valve body of the thin gate valve as claimed in claim 1, wherein: and a sealing ring mounting groove is formed in the left half valve body or the right half valve body.
3. The split valve body of the thin gate valve as claimed in claim 1, wherein: the sealing ring is an O-shaped sealing ring.
4. The utility model provides a slim flashboard valve, includes valve body, disk seat and flashboard, its characterized in that: the valve body comprises a left half valve body and a right half valve body, a left valve channel is arranged on the left half valve body, a right valve channel is arranged on the right half valve body, the valve seat comprises a left valve seat and a right valve seat, a sealing ring is arranged between the left half valve body and the right half valve body, and the left half valve body and the right half valve body are connected through a connecting bolt; the left half valve body is provided with a first flange plate in an integrated manner, the right half valve body is provided with a second flange plate in an integrated manner, each flange plate is provided with a superposition part which is integrated with the corresponding valve body and a bulge part which protrudes out of the corresponding valve body, screw holes are formed in the superposition part and are used for being connected with corresponding pipeline flange screws, and the bulge part is provided with screw holes and are used for being connected with the screw holes in the bulge part of the other flange plate and pipeline flanges on two sides together through stud bolts.
5. The thin gate valve of claim 4, wherein: and a sealing ring mounting groove is formed in the left half valve body or the right half valve body.
6. The thin gate valve of claim 4, wherein: the sealing ring is an O-shaped sealing ring.
7. The thin gate valve according to any one of claims 4-6, wherein: and a sealing structure and a first spring are arranged between each valve seat and the corresponding valve body, and the corresponding valve seats and the flashboard can be sealed and attached by the first spring.
8. The thin gate valve of claim 7, wherein: the left valve seat is connected with a left protection plate through threads, and the right valve seat is provided with a right protection plate through threads; the valve body is provided with a lower valve cavity, the left protection plate and the right protection plate are respectively provided with an extension part which extends downwards and is positioned in the lower valve cavity, and the extension parts of the left protection plate and the right protection plate are used for being attached to the flashboard to play a role in guiding and sealing.
9. The thin gate valve of claim 8, wherein: a second spring is arranged between the left protection plate and the left valve body, and a third spring is arranged between the right protection plate and the right valve body.
10. The thin gate valve of claim 9, wherein: the left valve body is provided with a first adjusting bolt for adjusting the pretightening force of the second spring, and the right valve body is provided with a second adjusting bolt for adjusting the pretightening force of the third spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322166128.2U CN220470762U (en) | 2023-08-11 | 2023-08-11 | Thin gate valve and split valve body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322166128.2U CN220470762U (en) | 2023-08-11 | 2023-08-11 | Thin gate valve and split valve body thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470762U true CN220470762U (en) | 2024-02-09 |
Family
ID=89776322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322166128.2U Active CN220470762U (en) | 2023-08-11 | 2023-08-11 | Thin gate valve and split valve body thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470762U (en) |
-
2023
- 2023-08-11 CN CN202322166128.2U patent/CN220470762U/en active Active
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