CN203963154U - One-way valve - Google Patents
One-way valve Download PDFInfo
- Publication number
- CN203963154U CN203963154U CN201420332542.4U CN201420332542U CN203963154U CN 203963154 U CN203963154 U CN 203963154U CN 201420332542 U CN201420332542 U CN 201420332542U CN 203963154 U CN203963154 U CN 203963154U
- Authority
- CN
- China
- Prior art keywords
- valve body
- spool
- pressure release
- way valve
- release passage
- 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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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
A kind of one-way valve, comprise the valve body communicating up and down, in described valve body, be provided with valve seat, on valve seat, be provided with through hole, in described valve body, be provided with spool, described spool is movably arranged in valve body, and can seal through hole, described valve body sidepiece is provided with pressure release passage, on described pressure release passage, be provided with warning device, the one-way valve of new structure, full machinery is controlled, working stability, simple in structure, easy to operate, when fluid surpasses the pressure presetting, spool will be pushed away to one end distance and expose pressure release passage, fluid flows into from pressure release passage, greatly reduced the suffered pressure of whole one-way valve, and give a warning to remind user.
Description
Technical field
The utility model relates to hydraulic fittings, especially a kind of one-way valve.
Background technique
Traditional one-way valve, be applied in hydraulic pipe line or other situations are all generally for preventing the unidirectional keying valve of flowing medium adverse current on all kinds of pipelines or equipment, while entering from the fluid of a direction, one-way valve connects, and one-way valve is closed while entering from other direction.
Therefore, common one-way valve only has the function of simple direct-reverse switch, when needs complicated a little pass through condition time, just must use complicated three-way valve or four-way valve, and to the control of valve body, to depend on the program of printed circuit board (PCB), increase user cost, and easily damaged, affected the performance of product.
Model utility content
It is a kind of simple in structure, easy to use that the purpose of this utility model is to provide, can be when hydrodynamic pressure be excessive, and effective pressure release mention the one-way valve of warning effect.
For solving the problems of the technologies described above, the utility model provides a kind of one-way valve, comprise the valve body communicating up and down, in described valve body, be provided with valve seat, on valve seat, be provided with through hole, in described valve body, be provided with spool, described spool is movably arranged in valve body, and can seal through hole, described valve body sidepiece is provided with pressure release passage, on described pressure release passage, is provided with warning device.
The utility model improves to be had, and in described valve body, is provided with spring, and one end of described spring is fixed on spool, and the other end is fixed on valve seat.
The utility model improves to be had, and the top of described spool is conical, and the through hole on described valve seat is circular.
The utility model improves to be had, and surveys in the week of described through hole and is provided with seal ring.
The beneficial effects of the utility model are: the one-way valve of new structure, full machinery is controlled, working stability, simple in structure, easy to operate, when fluid surpasses the pressure presetting, spool will be pushed away to one end distance and expose pressure release passage, fluid flows into from pressure release passage, greatly reduce the suffered pressure of whole one-way valve, and given a warning to remind user.
Accompanying drawing explanation
The structural representation that accompanying drawing 1 is one-way valve of the present utility model.
Label declaration: 1-valve body; 11-pressure release passage; 12-warning device; 2-valve seat; 3-spool; 4-spring.
Embodiment
By describing technology contents of the present utility model, structure characteristics in detail, being realized object and effect, below in conjunction with mode of execution and coordinate accompanying drawing to be explained in detail.
With reference to accompanying drawing 1, the utility model shown in accompanying drawing provides a kind of one-way valve, comprise the valve body 1 communicating up and down, in described valve body 1, be provided with valve seat 2, on valve seat 2, be provided with through hole 21, in described valve body 1, be provided with spool 3, described spool 3 is movably arranged in valve body 1, and can seal through hole 21, described valve body 1 sidepiece is provided with pressure release passage 11, on described pressure release passage 11, is provided with warning device 12.
Concrete, if fluid is when spool 3 is moved toward the direction of valve seat 2, whole through hole 21 is sealed by spool 3, spool 3 is by valve seat 2 sealings, prevent the generation of adverse current situation, the week of spool 3 surveys and withstands pressure release passage 11 simultaneously, and pressure release passage 11 has also been realized sealing, has realized the most basic Anticountra flow function of one-way valve.
On the other hand, when fluid flows into one-way valve and spool 3 is moved toward the direction away from through hole 21, fluid can be flowed into valve body 1 inside and be flow to next pipeline by valve body 1 by through hole 21, realized the function that communicates of one-way valve, now, spool 3 is still close on pressure release passage 11, so pressure release passage 11 is still positioned at sealing state.
In the present embodiment, in described valve body 1, be provided with spring 4, one end of described spring 4 is fixed on spool 3, and the other end is fixed on valve seat 2.
Spring 4 can be by spool 3 withstanding on valve seat 2 tightly in natural situation, realized the sealing of valve body 1, when the pressure of fluid impact spool 3 is more than or equal to the restoring force of spring 4, spring 4 is compressed, when spring 4 is compressed into certain value, pressure release passage 11 is just exposed, at this moment fluid will flow into pressure release passage 11, until the restoring force of spring 4 is greater than the pressure of fluid, spool 3 continues return motion and again seals pressure release passage 11, therefore the restoring force of spring 4 is set, just equals to set the pressure that flows into one-way valve.
Concrete, in the present embodiment, on pressure release passage 11, be provided with warning device 12, when having fluid to pass into pressure release passage 11, warning device 12 starts, and reminds the existing pressure condition of user, guarantees in the very first time, whole pipeline is effectively detected and keeped in repair.
In the present embodiment, the top of described spool 3 is conical, and the through hole 21 on described valve seat 2 be circular, by coordinating of taper shape and manhole 21, makes spool 3 tightr with coordinating of valve seat 2.
In the present embodiment, the survey of the week of described through hole 21 is provided with seal ring, and the setting of seal ring has further promoted again the sealing of whole one-way valve.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. an one-way valve, it is characterized in that, comprise the valve body communicating up and down, in described valve body, be provided with valve seat, on valve seat, be provided with through hole, in described valve body, be provided with spool, described spool is movably arranged in valve body, and can seal through hole, described valve body sidepiece is provided with pressure release passage, on described pressure release passage, is provided with warning device.
2. one-way valve according to claim 1, is characterized in that, in described valve body, is provided with spring, and one end of described spring is fixed on spool, and the other end is fixed on valve seat.
3. one-way valve according to claim 1, is characterized in that, the top of described spool is conical, and the through hole on described valve seat is circular.
4. one-way valve according to claim 1, is characterized in that, surveys in the week of described through hole and is provided with seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420332542.4U CN203963154U (en) | 2014-06-22 | 2014-06-22 | One-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420332542.4U CN203963154U (en) | 2014-06-22 | 2014-06-22 | One-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203963154U true CN203963154U (en) | 2014-11-26 |
Family
ID=51923736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420332542.4U Expired - Fee Related CN203963154U (en) | 2014-06-22 | 2014-06-22 | One-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203963154U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024677A (en) * | 2016-05-30 | 2016-10-12 | 上海华力微电子有限公司 | System for preventing reverse flow in exhaust pipe and process chamber |
| CN114215901A (en) * | 2021-12-27 | 2022-03-22 | 机械科学研究总院青岛分院有限公司 | Pressure relief mechanism for speed reducer and use method thereof |
-
2014
- 2014-06-22 CN CN201420332542.4U patent/CN203963154U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024677A (en) * | 2016-05-30 | 2016-10-12 | 上海华力微电子有限公司 | System for preventing reverse flow in exhaust pipe and process chamber |
| CN114215901A (en) * | 2021-12-27 | 2022-03-22 | 机械科学研究总院青岛分院有限公司 | Pressure relief mechanism for speed reducer and use method thereof |
| CN114215901B (en) * | 2021-12-27 | 2024-03-19 | 机械科学研究总院青岛分院有限公司 | Decompression mechanism for speed reducer and application method thereof |
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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: 20141126 Termination date: 20150622 |
|
| EXPY | Termination of patent right or utility model |