CN201651380U - Valve seat protection ring of knife gate valve - Google Patents
Valve seat protection ring of knife gate valve Download PDFInfo
- Publication number
- CN201651380U CN201651380U CN201020195055XU CN201020195055U CN201651380U CN 201651380 U CN201651380 U CN 201651380U CN 201020195055X U CN201020195055X U CN 201020195055XU CN 201020195055 U CN201020195055 U CN 201020195055U CN 201651380 U CN201651380 U CN 201651380U
- Authority
- CN
- China
- Prior art keywords
- valve
- protection ring
- guard ring
- gate valve
- valve seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a valve seat protection ring of a knife gate valve which is provided with two pieces of independent annular protection rings. The two pieces of protection rings are correspondingly arranged in valve cavities of two valve bodies; each piece of protection ring is in interference fit with the inner wall of the valve cavity of the valve body. The valve cavity of the valve body is provided with the protection ring, the protection ring is made from polyurethane or high nickel hard alloy, and the protection ring is in interference fit with the inner wall of the valve cavity so that the inner wall of the valve cavity is not corroded by the corrosive fluid and not worn by the fluid containing iron and sand, etc.; when the protection ring is corroded and worn, the protection ring can be replaced directly without replacing the valve seat of the valve body, thereby greatly reducing the use cost and prolonging the service life of the gate valve.
Description
Technical field:
The utility model relates to a kind of knife-shape gate valve valve seat guard ring.
Background technique:
The valve pocket of existing knife-shape gate valve is in the bottom of valve body, and valve pocket is the passage of fluid, descends at flashboard and blocks the axial passage of valve pocket when closing, and gate valve is closed; The axial passage of valve pocket connects when flashboard promotes, and gate valve is opened.Because the Environmental Conditions of knife-shape gate valve is different, some fluid has in corrosivity, some fluid and contains iron sand etc., and this class fluid can reduce the working life of gate valve greatly, after the valve pocket inwall is corroded or weares and teares, cause seal failure easily, just need to change whole gate valve, make user cost increase.
Summary of the invention:
For overcoming the defective of prior art, the purpose of this utility model is to provide a kind of knife-shape gate valve valve seat guard ring, in the hope of the wear resistance and the corrosion resistance of raising gate valve valve pocket inwall, thus the working life of prolongation gate valve.
The utility model technical solution problem adopts following technological scheme:
Knife-shape gate valve valve seat guard ring is provided with the guard ring of two ring-types independent of each other, and two guard ring correspondences are located in the valve pocket of two valve bodies, and each sheet guard ring is sealed and matched with the valve pocket inwall interference of valve body respectively.
Structural feature of the present utility model also is: the exterior edge face integral type of described each sheet guard ring is provided with flanging.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
The utility model is provided with guard ring in the valve pocket of valve body; guard ring can adopt polyurethane or high nickel hard alloy manufacturing; be sealed and matched with the interference of valve pocket inwall; protected the valve pocket inwall not to be subjected to the burn into of corrosive fluid not contained the wearing and tearing of fluids such as iron sand; after guard ring is corroded or weares and teares, can directly change guard ring, and need not to change the valve seat of valve body; greatly reduce user cost, also prolonged the working life of gate valve.
Description of drawings:
Fig. 1 is the sectional structure chart that the gate valve of guard ring is installed; Fig. 2 is the main TV structure figure of gate valve.
Number in the figure: 1 guard ring, 2 valve bodies, 3 valve pockets, 4 flangings, 5 flashboards, 6 valve rods.
Below pass through embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment:
Embodiment: in conjunction with Fig. 1,2; the guard ring of present embodiment; being used to protect the valve seat of knife-shape gate valve is the valve pocket inwall; guard ring 1 is set to two ring structurees independent of each other; two guard ring correspondences are arranged in the valve pocket 3 of two valve bodies 2, and each sheet guard ring is sealed and matched with the valve pocket inwall interference of valve body respectively.In specifically being provided with, guard ring can adopt polyurethane or high nickel hard alloy manufacturing, to improve its wear resistance and corrosion resistance.
Shown in Figure 1; for the ease of the installation of guard ring and the seal degree between raising guard ring and the valve pocket inwall, the exterior edge face integral type of each sheet guard ring is provided with flanging 4, during assembling; each flanging 4 is in the valve body sidepiece of valve pocket 3 exterior edge faces, compresses with flange plate again.In the use; the upper end of flashboard 5 connects valve rod 6; when valve rod 6 drives flashboard 5 liftings, valve pocket 3 axial conductings, fluid passes through in valve pocket but does not contact with valve body; guard ring plays the effect of Protective valve cavity wall; after guard ring is corroded or weares and teares, need not to change valve body, get final product and only need change guard ring; greatly reduce cost of production, also can improve the working life of gate valve greatly.
Claims (2)
1. knife-shape gate valve valve seat guard ring is characterized in that being provided with the guard ring (1) of two ring-types independent of each other, and two guard ring correspondences are located in the valve pocket (3) of two valve bodies (2), and each sheet guard ring is sealed and matched with the valve pocket inwall interference of valve body (2) respectively.
2. knife-shape gate valve valve seat guard ring according to claim 1 is characterized in that the exterior edge face integral type of described each sheet guard ring (1) is provided with flanging (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020195055XU CN201651380U (en) | 2010-05-12 | 2010-05-12 | Valve seat protection ring of knife gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020195055XU CN201651380U (en) | 2010-05-12 | 2010-05-12 | Valve seat protection ring of knife gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651380U true CN201651380U (en) | 2010-11-24 |
Family
ID=43116617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020195055XU Expired - Fee Related CN201651380U (en) | 2010-05-12 | 2010-05-12 | Valve seat protection ring of knife gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482236A (en) * | 2015-01-08 | 2015-04-01 | 鞍山明德科技有限公司 | Novel high-medium-low-pressure wear-resisting double-gate-disc ash gate valve |
-
2010
- 2010-05-12 CN CN201020195055XU patent/CN201651380U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482236A (en) * | 2015-01-08 | 2015-04-01 | 鞍山明德科技有限公司 | Novel high-medium-low-pressure wear-resisting double-gate-disc ash gate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUAIBEI XINXIANG HYDRAULIC ELECTROMECHANICAL EQUIP Free format text: FORMER OWNER: HEFEI CHANGJIANG AUTOMATION ENGINEERING CO., LTD. Effective date: 20110422 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 230041 NO. 355, FUYANG ROAD, HEFEI CITY, ANHUI PROVINCE TO: 235000 NO. 10, LIUZHUANG INDUSTRIAL PARK, LIESHAN DISTRICT, HUAIBEI CITY, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110422 Address after: 235000 No. 10 Liu Zhuang Industrial Park, Lieshan District, Anhui, Huaibei Patentee after: HUAIBEI XINXIANG HYDRAULIC ELECTROMECHANICAL COMPLETE SETS OF EQUIPMENT MANUFACTURING CO., LTD. Address before: 230041 No. 355, Fuyang Road, Hefei, Anhui Patentee before: Hefei Changjiang Automation Engineering Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20150512 |
|
| EXPY | Termination of patent right or utility model |