CN220891125U - Split valve seat for knife gate valve - Google Patents
Split valve seat for knife gate valve Download PDFInfo
- Publication number
- CN220891125U CN220891125U CN202322808416.3U CN202322808416U CN220891125U CN 220891125 U CN220891125 U CN 220891125U CN 202322808416 U CN202322808416 U CN 202322808416U CN 220891125 U CN220891125 U CN 220891125U
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- 238000007789 sealing Methods 0.000 claims abstract description 57
- 238000003754 machining Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Sliding Valves (AREA)
Abstract
The utility model discloses a split valve seat for a knife gate valve, which comprises a valve body main body, wherein the valve body main body consists of two side valve bodies, a gate plate groove is arranged in the valve body main body, a sealing groove is communicated with the outer side of the gate plate groove in the valve body, the sealing groove consists of a valve seat groove, a U-shaped ring groove and a sealing gasket groove, the upper end of the U-shaped ring groove is respectively communicated with the valve seat groove, a U-shaped valve seat is arranged between the valve bodies, the U-shaped valve seat consists of a valve seat block and a U-shaped sealing ring, the valve seat block is arranged in the valve seat groove, an inner groove is arranged on one side of the valve seat block, and the U-shaped sealing ring is clamped in the inner groove and the U-shaped ring groove; the valve seat is small in machining amount, the valve seat can be firmly fixed on the valve body, and the flashboard is easy to open.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a split valve seat for a knife gate valve.
Background
The knife gate valve is also called as knife gate valve, slurry valve and slurry valve, its opening and closing member is a gate plate, the moving direction of the gate plate is perpendicular to the fluid direction, and the knife edge gate plate capable of cutting fibre material is used for cutting off medium, and the sealing of knife gate valve is usually implemented by means of valve seat in the valve body, and the valve seat and side wall of knife gate valve are propped against and display sealing function.
The utility model relates to a Chinese utility model with the publication number of CN200968429Y, wherein a sealing mode is provided with a groove through a middle cavity of a valve body, a sealing strip is arranged in the groove to realize sealing, and the sealing strip is a valve seat.
Disclosure of utility model
The utility model aims to provide a split valve seat for a knife gate valve, which has small machining quantity, can be firmly fixed on a valve body and is easy to open a flashboard.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a split type disk seat for knife gate, includes the valve body main part, the valve body main part comprises two side valve bodies, be equipped with the flashboard groove in the valve body main part, be located in the valve body the flashboard groove outside communicates with each other and is equipped with the seal groove, the seal groove comprises disk seat groove, U type circle groove and sealed pad groove, U type circle groove upper end respectively with the disk seat groove communicates with each other, be equipped with U type disk seat between the valve body, U type disk seat comprises valve seat piece and U type sealing washer, be equipped with valve seat piece in the disk seat groove, valve seat piece one side is equipped with the indent, U type sealing washer card is established the indent with in the U type circle groove.
By adopting the technical scheme, the utility model has the following advantages:
The valve seat block and the U-shaped sealing ring are arranged, so that the U-shaped valve seat is in a split state, when the valve body is processed, only the position of the valve seat groove is required to be processed, the position of the U-shaped ring groove is not required to be processed into a U-shaped ring groove which is consistent with the depth of the valve seat groove, and only the U-shaped ring groove which is simpler and matched with the U-shaped sealing ring is required to be processed, thereby reducing the processing amount, further improving the processing efficiency, and the valve seat block can be provided with a complex protruding structure in a split type manner, so that the U-shaped valve seat can be firmly fixed in the valve seat groove and the U-shaped ring groove and cannot be separated out.
Further, the section of the valve seat block is in a T shape, arc-shaped protruding blocks are respectively and fixedly arranged on two sides of the valve seat block, and two sides of the valve seat groove are respectively matched with two sides of the valve seat block correspondingly.
By adopting the technical scheme, the utility model has the following advantages:
The cross section of the valve seat block is T-shaped and the arc-shaped convex blocks are arranged, so that the valve seat block can be clamped in the valve seat groove and cannot be separated.
Further, the cross section of the inner groove is T-shaped, protruding clamping strips are respectively arranged at two ends of the inner side of the inner groove, the U-shaped sealing ring is matched with the inner groove, the positions of the U-shaped sealing ring corresponding to the protruding clamping strips are provided with inner concave clamping grooves, and the protruding clamping strips are clamped in the inner concave clamping grooves.
By adopting the technical scheme, the utility model has the following advantages:
The cross section of the inner groove is T-shaped, and the convex clamping strips and the concave clamping grooves are arranged, so that the U-shaped sealing ring can be inserted into the inner groove to be firmly fixed with the valve seat block.
Further, the U-shaped ring groove is matched with the U-shaped sealing ring.
By adopting the technical scheme, the utility model has the following advantages:
The U-shaped sealing ring can be clamped in the U-shaped ring groove and cannot be pulled out.
Further, two sealing gasket grooves are formed between the valve seat grooves, and sealing gasket layers are arranged in the sealing gasket grooves.
By adopting the technical scheme, the utility model has the following advantages:
the sealing gasket groove and the sealing gasket layer are arranged, so that the sealing performance of the upper end of the flashboard and the valve body is enhanced, and medium leakage can be effectively prevented.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a side valve body structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic diagram of a cross-sectional structure of a top-down valve seat groove of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present utility model;
FIG. 5 is a schematic view of a valve seat block according to the present utility model;
FIG. 6 is a schematic view of the structure of the U-shaped seal ring of the present utility model;
Fig. 7 is an enlarged view of the structure of fig. 6 at C according to the present utility model.
Reference numerals: 1. a side valve body; 101. a flashboard groove; 2. a valve seat groove; 201. a U-shaped ring groove; 3. a gasket groove; 4. a U-shaped sealing ring; 401. a concave clamping groove; 5. a valve seat block; 501. arc-shaped protruding blocks; 6. an inner groove; 601. and (5) protruding the clamping strip.
Detailed Description
As shown in fig. 1 to 6, in the specific embodiment, a split valve seat for a knife gate valve comprises a valve body, the valve body is composed of two side valve bodies 1, a gate plate groove 101 is arranged in the valve body, sealing grooves are communicated with each other outside the gate plate groove 101 in the valve body, each sealing groove is composed of a valve seat groove 2, a U-shaped ring groove 201 and a sealing gasket groove 3, the upper ends of the U-shaped ring grooves 201 are respectively communicated with the valve seat groove 2, a U-shaped valve seat is arranged between the valve bodies, each U-shaped valve seat is composed of a valve seat block 5 and a U-shaped sealing ring 4, a valve seat block 5 is arranged in the valve seat groove 2, an inner groove 6 is arranged on one side of the valve seat block 5, and the U-shaped sealing ring 4 is clamped in the inner groove 6 and the U-shaped ring groove 201.
Through the arrangement, the valve seat block 5 and the U-shaped sealing ring 4 are arranged, so that the U-shaped valve seat is in a split state, when the valve body is processed, only the position of the valve seat groove 2 is required to be processed with difficulty, the position of the U-shaped ring groove 201 is not required to be processed to be consistent with the depth of the valve seat groove 2, and only the simpler U-shaped ring groove 201 matched with the U-shaped sealing ring 4 is required to be processed, thereby reducing the processing amount, further improving the processing efficiency, and the split type valve seat block 5 can be provided with a complex protruding structure, so that the U-shaped valve seat can be firmly fixed in the valve seat groove 2 and the U-shaped ring groove 201 without being separated, and besides, the split type valve seat is not required to be as thick as the valve seat block 5, so that the contact area of a flashboard and the U-shaped valve seat is reduced, the flashboard is easy to open, and the opening noise is reduced.
As shown in fig. 4 to 7, the cross section of the valve seat block 5 is in a T shape, two sides of the valve seat block 5 are respectively and fixedly provided with arc-shaped protruding blocks 501, and two sides of the valve seat groove 2 are respectively matched with two sides of the valve seat block 5 correspondingly; the cross section of the inner groove 6 is in a T shape, two ends of the inner side of the inner groove 6 are respectively provided with a convex clamping strip 601, the U-shaped sealing ring 4 is matched with the inner groove 6, the positions of the U-shaped sealing ring 4 corresponding to the convex clamping strips 601 are respectively provided with an inner concave clamping groove 401, and the convex clamping strips 601 are clamped in the inner concave clamping grooves 401; the U-shaped ring groove 201 is matched with the U-shaped sealing ring 4; two sealing gasket grooves 3 are arranged between the valve seat grooves 2, and sealing gasket layers are arranged in the sealing gasket grooves 3.
Through the arrangement, the cross section of the valve seat block 5 is in a T shape and the arc-shaped convex blocks 501 are arranged, so that the valve seat block 5 can be clamped in the valve seat groove 2 and cannot be separated; the cross section of the inner groove 6 is T-shaped, and the convex clamping strips 601 and the concave clamping grooves 401 are arranged, so that the U-shaped sealing ring 4 can be inserted into the inner groove 6 to be firmly fixed with the valve seat block 5; the utility model is provided with the above structure, so that the U-shaped sealing ring 4 can be clamped in the U-shaped ring groove 201 and cannot be separated; the sealing gasket groove 3 and the sealing gasket layer are arranged, so that the sealing performance of the upper end of the flashboard and the valve body is enhanced, and medium leakage can be effectively prevented.
Working principle: during installation, two ends of the U-shaped sealing ring 4 are inserted into the inner groove 6 of the valve seat block 5, the inner concave clamping groove 401 is aligned with the convex clamping strip 601, one sides of the valve seat block 5 and the U-shaped sealing ring 4 are respectively aligned with the valve seat groove 2 and the U-shaped ring groove 201 of the side valve body 1, a sealing cushion layer is placed in the sealing cushion groove 3, and the two side valve bodies 1 are combined to form a valve body main body.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (5)
1. The utility model provides a split type disk seat for knife gate, includes the valve body main part, the valve body main part comprises two side valve bodies (1), be equipped with flashboard groove (101) in the valve body main part, its characterized in that, be located in the valve body flashboard groove (101) outside communicates with each other and is equipped with the seal groove, the seal groove comprises disk seat groove (2), U type circle groove (201) and sealed groove (3), U type circle groove (201) upper end respectively with disk seat groove (2) communicate with each other, be equipped with U type disk seat between the valve body, U type disk seat comprises disk seat piece (5) and U type sealing washer (4), be equipped with valve seat piece (5) in disk seat groove (2), disk seat piece (5) one side is equipped with inner groovy (6), U type sealing washer (4) card is established inner groovy (6) with in U type circle groove (201).
2. The split valve seat for the knife gate valve according to claim 1, wherein the cross section of the valve seat block (5) is in a T shape, arc-shaped protruding blocks (501) are fixedly arranged on two sides of the valve seat block (5) respectively, and two sides of the valve seat groove (2) are correspondingly matched with two sides of the valve seat block (5) respectively.
3. The split valve seat for the knife gate valve according to claim 2, wherein the cross section of the inner groove (6) is in a T shape, protruding clamping strips (601) are respectively arranged at two ends of the inner side of the inner groove (6), the U-shaped sealing ring (4) is matched with the inner groove (6), inner concave clamping grooves (401) are respectively arranged at positions, corresponding to the protruding clamping strips (601), of the U-shaped sealing ring (4), and the protruding clamping strips (601) are clamped in the inner concave clamping grooves (401).
4. A split valve seat for a knife gate valve according to claim 3, characterized in that the U-shaped ring groove (201) is matched with the U-shaped sealing ring (4).
5. The split valve seat for the knife gate valve according to claim 1, wherein two sealing gasket grooves (3) are arranged between the valve seat grooves (2), and sealing gasket layers are arranged in the sealing gasket grooves (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322808416.3U CN220891125U (en) | 2023-10-19 | 2023-10-19 | Split valve seat for knife gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322808416.3U CN220891125U (en) | 2023-10-19 | 2023-10-19 | Split valve seat for knife gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220891125U true CN220891125U (en) | 2024-05-03 |
Family
ID=90866491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322808416.3U Active CN220891125U (en) | 2023-10-19 | 2023-10-19 | Split valve seat for knife gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220891125U (en) |
-
2023
- 2023-10-19 CN CN202322808416.3U patent/CN220891125U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |