CN204852411U - Buffering sealing gate valve - Google Patents
Buffering sealing gate valve Download PDFInfo
- Publication number
- CN204852411U CN204852411U CN201520638367.6U CN201520638367U CN204852411U CN 204852411 U CN204852411 U CN 204852411U CN 201520638367 U CN201520638367 U CN 201520638367U CN 204852411 U CN204852411 U CN 204852411U
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- valve
- valve body
- dashpot
- seal
- tightening nut
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Abstract
The utility model discloses a buffering sealing gate valve, it includes valve body etc, the flashboard sets up the inside at the valve body, the bolt is located the left side top of valve body, a fastening nut lies in the top of valve body, the support head is located the top of support, the valve rod is located in the middle of two valve gaps, the 2nd fastening nut lies in the valve gap, round pin axle and valve rod next -door neighbour, and sell position of axle in valve gap below, be equipped with floodgate board cavity on the valve body, the sealing washer is located the valve body top, the 3rd fastening nut lies in the valve body, the footing is located the below of valve body, the 2nd fastening nut lies in the support. The utility model discloses it is sealed effectual, sealing washer long service life.
Description
Technical field
The utility model relates to a kind of gate valve, particularly relates to a kind of cushion seal gate valve.
Background technique
Knife gate valve is also known as cutter door gate valve or blade type Parallel Slide Valves, its open-shut device is flashboard, moving direction and the flow direction of flashboard are perpendicular, by the knife-edge flashboard of cutting fiber material medium can be cut off, flashboard has two sealing surfaces, and two sealing surfaces of the most frequently used pattern gate valve form wedge shape, key groove is different with valve parameter, are generally 50, the flashboard of wedge-type blade type gate valve can make an entirety, is called rigidity flashboard; Also can make the flashboard that can produce micro-deformation, to improve its manufacturability, make up the deviation that sealing surface angle produces in course of working, this flashboard is called Flexible disc.
But current knife gate valve when in use, time flashboard presses down, because seal ring is fastened in the seal groove of valve body, so under the extruding of flashboard, the bottom of seal ring and seal groove is withstood, and after high strength extruding, causes the Deformation and Crack of seal ring, not only reduce the working life of seal ring, and very large on sealing impact.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of cushion seal gate valve, its good sealing effect, seal ring long service life.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of cushion seal gate valve, it is characterized in that, described cushion seal gate valve comprises valve body, flashboard, bolt, first tightening nut, bracket head, valve rod, support, bearing pin, 3rd tightening nut, flashboard chamber, seal ring, footing, second tightening nut, valve gap, flashboard is arranged on the inside of valve body, bolt is positioned at above the left side of valve body, first tightening nut is positioned at the top of valve body, bracket head is positioned at the top of support, valve rod is positioned in the middle of two valve gaps, second tightening nut is positioned on valve gap, bearing pin and valve rod are close to, and bearing pin is positioned at below valve gap, valve body is provided with flashboard chamber, seal ring is positioned at above valve body, 3rd tightening nut is positioned on valve body, footing is positioned at the below of valve body, second tightening nut is positioned on support.
Preferably, described cushion seal gate valve also comprises the first standard piece, the second standard piece, seal groove, the first dashpot, the second dashpot, side next-door neighbour's valve rod of the second standard piece, opposite side and first standard piece of the second standard piece are close to, valve body is provided with a seal groove, also be provided with the first dashpot in the bottom of seal groove, the second dashpot is positioned at the below of valve body, and the position of the second dashpot is relative with the first dashpot.
Preferably, the size of described first dashpot is less than the size of seal groove, and the sectional shape of the first dashpot is arc, and the groove of the arc that stretches out from the bottom of seal groove is as the first dashpot.
Preferably, the sectional shape of described second dashpot is arc.
Positive progressive effect of the present utility model is: the utility model design is ingenious, good sealing effect, seal ring long service life.The utility model structure is simple, and cost is low.
Accompanying drawing explanation
Fig. 1 is plan view of the present utility model.
Fig. 2 is side view of the present utility model.
Fig. 3 is the structural representation of the element such as the first standard piece, the second standard piece in the utility model.
Fig. 4 is the structural representation of the element such as valve body in the utility model.
Embodiment
The utility model preferred embodiment is provided, to describe the technical solution of the utility model in detail below in conjunction with accompanying drawing.
As shown in Figures 1 to 4, the utility model cushion seal gate valve comprises valve body 1, flashboard 2, bolt 3, first tightening nut 4, bracket head 5, valve rod 6, support 7, bearing pin 8, 3rd tightening nut 9, flashboard chamber 10, seal ring 11, footing 12, second tightening nut 13, valve gap 16, valve body 1 is positioned at the bottom of the utility model cushion seal gate valve, flashboard 2 is arranged on the inside of valve body 1, bolt 3 is positioned at above the left side of valve body 1, first tightening nut 4 is positioned at the top of valve body 1, bracket head 5 is positioned at the top of support 7, valve rod 6 is positioned in the middle of two valve gaps 16, bearing pin 8 and valve rod 6 are close to, and bearing pin 8 is positioned at below valve gap 16, valve body 1 is provided with flashboard chamber 10, seal ring 11 is positioned at above valve body 1, 3rd tightening nut 9 is positioned on valve body 1, footing 12 is positioned at the below of valve body 1, second tightening nut 13 is positioned on support 7.
The utility model cushion seal gate valve also comprises the first standard piece 14, second standard piece 15, seal groove 17, first dashpot 18, second dashpot 19, side next-door neighbour's valve rod 6 of the second standard piece 15, opposite side and first standard piece 14 of the second standard piece 15 are close to, valve body 1 is provided with a seal groove 17, the first dashpot 18 is also provided with in the bottom of seal groove 17, second dashpot 19 is positioned at the below of valve body 1, and the position of the second dashpot 19 is relative with the first dashpot 18, seal groove 17 is adaptive with seal ring 11.
In the utility model cushion seal gate valve, the size of the first dashpot 18 is less than the size of seal groove 17, and the cross section of the first dashpot 18 is arc, and the groove of the arc that stretches out from the bottom of seal groove 17 is as the first dashpot 18.
In the utility model cushion seal gate valve, the sectional shape of the second dashpot 19 is also arc.
The utility model cushion seal gate valve is provided with seal groove 17; and bottom seal groove 17, be provided with the first dashpot 18; seal ring 11 is arranged in seal groove 17; when flashboard 2 presses down; can seal ring 11 part be pressed in the first dashpot 18; so there is elastic space; seal ring 11 would not be subject to two-way rigidity extruding; protect seal ring 11; extend the working life of seal ring 11; and flashboard 2 presses down, seal ring 11 can be made to be out of shape and to be pressed into the first dashpot 18, just can reach good sealing effect.
Above-described specific embodiment; the technical problem of solution of the present utility model, technological scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a cushion seal gate valve, it is characterized in that, described cushion seal gate valve comprises valve body, flashboard, bolt, first tightening nut, bracket head, valve rod, support, bearing pin, 3rd tightening nut, flashboard chamber, seal ring, footing, second tightening nut, valve gap, flashboard is arranged on the inside of valve body, bolt is positioned at above the left side of valve body, first tightening nut is positioned at the top of valve body, bracket head is positioned at the top of support, valve rod is positioned in the middle of two valve gaps, second tightening nut is positioned on valve gap, bearing pin and valve rod are close to, and bearing pin is positioned at below valve gap, valve body is provided with flashboard chamber, seal ring is positioned at above valve body, 3rd tightening nut is positioned on valve body, footing is positioned at the below of valve body, second tightening nut is positioned on support.
2. cushion seal gate valve as claimed in claim 1, it is characterized in that, described cushion seal gate valve also comprises the first standard piece, the second standard piece, seal groove, the first dashpot, the second dashpot, side next-door neighbour's valve rod of the second standard piece, opposite side and first standard piece of the second standard piece are close to, and valve body is provided with a seal groove, is also provided with the first dashpot in the bottom of seal groove, second dashpot is positioned at the below of valve body, and the position of the second dashpot is relative with the first dashpot.
3. cushion seal gate valve as claimed in claim 2, it is characterized in that, the size of described first dashpot is less than the size of seal groove, and the sectional shape of the first dashpot is arc, and the groove of the arc that stretches out from the bottom of seal groove is as the first dashpot.
4. cushion seal gate valve as claimed in claim 2, it is characterized in that, the sectional shape of described second dashpot is arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520638367.6U CN204852411U (en) | 2015-08-21 | 2015-08-21 | Buffering sealing gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520638367.6U CN204852411U (en) | 2015-08-21 | 2015-08-21 | Buffering sealing gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852411U true CN204852411U (en) | 2015-12-09 |
Family
ID=54742957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520638367.6U Active CN204852411U (en) | 2015-08-21 | 2015-08-21 | Buffering sealing gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396581A (en) * | 2020-03-18 | 2020-07-10 | 江苏苏盐阀门机械有限公司 | Petroleum and petrochemical valve with buffer structure |
-
2015
- 2015-08-21 CN CN201520638367.6U patent/CN204852411U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396581A (en) * | 2020-03-18 | 2020-07-10 | 江苏苏盐阀门机械有限公司 | Petroleum and petrochemical valve with buffer structure |
| CN111396581B (en) * | 2020-03-18 | 2020-12-08 | 江苏苏盐阀门机械有限公司 | Petroleum and petrochemical valve with buffer structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |