CN203516831U - Prismatic valve improving sealing effect - Google Patents
Prismatic valve improving sealing effect Download PDFInfo
- Publication number
- CN203516831U CN203516831U CN201320601904.0U CN201320601904U CN203516831U CN 203516831 U CN203516831 U CN 203516831U CN 201320601904 U CN201320601904 U CN 201320601904U CN 203516831 U CN203516831 U CN 203516831U
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- China
- Prior art keywords
- liquid inlet
- sealing
- inlet pipe
- valve
- valve body
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- Expired - Fee Related
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Abstract
The utility model relates to a prismatic valve improving a sealing effect. The prismatic valve comprises a valve body, a valve element is arranged in the valve body, a first liquid inlet pipe and a second liquid inlet pipe are arranged at the two ends of the valve body respectively, a liquid outlet pipe is arranged at the lower end of the valve body, the two ends of the valve element are connected with pistons respectively, sealing protruding blocks are arranged on the end faces of the sides, close to the liquid inlet pipes, of the pistons, the sealing protruding blocks are in transition fit with the first liquid inlet pipe and the second liquid inlet pipe, and sealing rings are arranged on the sealing protruding blocks. The sealing protruding blocks are arranged on the end faces of the pistons, when the sealing protruding blocks are used for sealing, the protruding blocks enter the liquid inlet pipes, the sealing effect is improved, meanwhile, the sealing rings are arranged, and the sealing performance of the prismatic valve is further enhanced.
Description
Technical field
The utility model relates to valve field, is specifically related to a kind of prismatic valve that improves sealing effect.
Background technique
Valve is the controlling component in fluid delivery process, in prismatic valve working procedure of the prior art, its sealing effect is relevant with roughness and the precision of piston end surface, the spool of prismatic valve is when driven plunger sealing orifice, if the excessive easy generation of the roughness of piston end surface is revealed, affect the using effect of prismatic valve, if reduce the manufacture cost that roughness will increase product.
Model utility content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, and a kind of prismatic valve that improves sealing effect is provided.
The utility model is to be achieved through the following technical solutions:
A kind of prismatic valve that improves sealing effect, comprise valve body, in described valve body, be provided with spool, at the two ends of valve body, be respectively equipped with the first liquid inlet pipe and the second liquid inlet pipe, lower end at valve body is provided with drain pipe, and the two ends of described spool connect respectively piston, and described piston is provided with sealing projection near the end face of liquid inlet pipe one side, sealing projection and the first liquid inlet pipe, the second liquid inlet pipe are transition fit, and described sealing projection is provided with seal ring.
As optimal technical scheme of the present utility model, described seal ring is "O"-ring.
As optimal technical scheme of the present utility model, described seal ring is " Y " type circle.
Compared with prior art, the beneficial effects of the utility model are: the utility model is by sealing projection is set on piston end surface, when sealing projection in sealing, projection enters into liquid inlet pipe, improve sealing effect, by seal ring is set, further strengthen its sealability simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 1 is structural representation of the present utility model.
Described a kind of prismatic valve that improves sealing effect, comprise valve body 1, in described valve body 1, be provided with spool 2, at the two ends of valve body 1, be respectively equipped with the first liquid inlet pipe 3 and the second liquid inlet pipe 4, in the lower end of valve body 1, be provided with drain pipe 5, the two ends of described spool 2 connect respectively piston 6, described piston 6 is provided with sealing projection 7 near the end face of liquid inlet pipe one side, sealing projection 7 and the first liquid inlet pipe 3, the second liquid inlet pipe 4 are transition fit, described sealing projection 7 is provided with seal ring 8, and described seal ring 8 is "O"-ring or " Y " type circle.When the first liquid inlet pipe 3 connects high pressure, the second liquid inlet pipe 4 and connects low pressure, spool 2 is pushed to the right under the effect of two ends pressure reduction, and the second liquid inlet pipe 4 is blocked outlet by the sealing projection 7 on piston 8, and drain pipe 5 is connected; Otherwise when the second liquid inlet pipe 4 connects high pressure, the first liquid inlet pipe 3 and connects low pressure, the first liquid inlet pipe 3 is blocked outlet by the sealing projection 7 on piston 6.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a prismatic valve that improves sealing effect, comprise valve body (1), in described valve body (1), be provided with spool (2), at the two ends of valve body (1), be respectively equipped with the first liquid inlet pipe (3) and the second liquid inlet pipe (4), in the lower end of valve body (1), be provided with drain pipe (5), the two ends of described spool (2) connect respectively piston (6), it is characterized in that, described piston (6) is provided with sealing projection (7) near the end face of liquid inlet pipe one side, sealing projection (7) and the first liquid inlet pipe (3), the second liquid inlet pipe (4) is transition fit, described sealing projection (7) is provided with seal ring (8).
2. a kind of prismatic valve that improves sealing effect according to claim 1, is characterized in that, described seal ring (8) is "O"-ring.
3. a kind of prismatic valve that improves sealing effect according to claim 1, is characterized in that, described seal ring (8) is " Y " type circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601904.0U CN203516831U (en) | 2013-09-28 | 2013-09-28 | Prismatic valve improving sealing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601904.0U CN203516831U (en) | 2013-09-28 | 2013-09-28 | Prismatic valve improving sealing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203516831U true CN203516831U (en) | 2014-04-02 |
Family
ID=50375763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320601904.0U Expired - Fee Related CN203516831U (en) | 2013-09-28 | 2013-09-28 | Prismatic valve improving sealing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203516831U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100911A (en) * | 2017-06-23 | 2017-08-29 | 张多艳 | A kind of prismatic valve |
| CN107821556A (en) * | 2017-11-06 | 2018-03-23 | 广东德福隆生物科技有限公司 | A kind of one drag two extruder |
-
2013
- 2013-09-28 CN CN201320601904.0U patent/CN203516831U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100911A (en) * | 2017-06-23 | 2017-08-29 | 张多艳 | A kind of prismatic valve |
| CN107821556A (en) * | 2017-11-06 | 2018-03-23 | 广东德福隆生物科技有限公司 | A kind of one drag two extruder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20140928 |
|
| EXPY | Termination of patent right or utility model |