CN201439828U - One-way pressure-relief one-piece valve - Google Patents
One-way pressure-relief one-piece valve Download PDFInfo
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- CN201439828U CN201439828U CN2009203077014U CN200920307701U CN201439828U CN 201439828 U CN201439828 U CN 201439828U CN 2009203077014 U CN2009203077014 U CN 2009203077014U CN 200920307701 U CN200920307701 U CN 200920307701U CN 201439828 U CN201439828 U CN 201439828U
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Abstract
The utility model relates to a one-way pressure-relief one-piece valve, which has one way and pressure relief functions, and overcomes the defects that the volume of an oil way is increased because a one-way valve and a pressure relief valve are separately arranged in the prior art, and the failure rate is improved. The one-way pressure-relief one-piece valve comprises a valve body and valve cores, and is characterized in that two oil ducts are arranged on the valve body, and the valve cores with opposite conduction directions are respectively arranged in the two oil ducts; the outlet of one oil duct is communicated with the inlet of the other oil duct, so that the valve body can form a loop which channels along one direction. Two one-way oil ducts which are not communicated with each other are arranged in the valve body, and the valve cores formed by vale balls and springs are arranged in the one-way oil ducts, accordingly, the one-piece structure of the one-way valve and the pressure relief valve is formed. The utility model has simple and compact structure, simplifies the layout of the oil way, reduces the installation volume, and reduces the failure rate simultaneously.
Description
Technical field
The utility model relates to a kind of hydrovalve, especially a kind ofly plays the unidirectional and unidirectional release one valve release effect.
Background technique
General one-way valve only has the effect of unidirectional conducting; general pressure-relief valve has only the effect of release; if a position in the lubrication system needs unidirectional conducting effect; need simultaneously the unloading pressure protection effect again; particularly in the lubrication system that is equipped with quantitative distributor; need carry out fast pressure relief to the oil circuit overbottom pressure and just can carry out the 2nd task; at this moment need to install two hydrovalves; an one-way valve and a pressure-relief valve; the pipeline of connection at this moment is cumbersome, after connecting one-way valve, need open up an other oil circuit and link to each other with working connection on oil circuit; connect pressure-relief valve on the branch road of opening up; the oil circuit of this structure, complex structure needs to install various terminal; need to extend more pipeline; when installing, also to consider the position of pressure-relief valve, need reserve enough installing spaces, make that hydraulic circuit integral body is more too fat to move easily like this; bulky, rate of fault is higher.
Patent Office of the People's Republic of China has announced a CN2521458Y patent on November 20th, 2002; name is called water heater bidirectional protective valve; have and bring mouthful valve body of outlet into; have two opposite one-way valves between the valve body import export; one of them one-way valve is the water inlet one-way valve; another one-way valve is the pressure release one-way valve; be provided with the spring of hydrostatic in the opposing water tank between the spool of pressure release one-way valve and the valve body; the nonreturn valve core that has a unidirectional valve seat in the valve body and match; the nonreturn valve core that nonreturn valve core has another rightabout check-valve port and matches; spring can be resisted the hydraulic pressure in the water heater, makes the spool of pressure release keep closed condition.But the Protective valve of this structure, the internal structure more complicated need be processed the passage of a taper in oil duct, for face contacts, be to guarantee sealing effect between tapered channel and the spool, needs to improve the precision of processing, can increase cost of processing like this.
Summary of the invention
The utility model has solved that one-way valve and pressure-relief valve are installed separately the volume that can increase oil circuit in the prior art, improves the shortcoming of rate of fault, and a kind of one-way valve and pressure-relief valve integrative-structure are provided, and reduces the unidirectional release one valve of installing space.
The utility model has solved also that one-way valve and pressure-relief valve are combined into one in the prior art, but needs the shortcoming that highi degree of accuracy cooperates increases difficulty of processing and processing cost easily, provides a kind of simple in structure, unidirectional release one valve easy to process.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of unidirectional release one valve, comprise valve body and spool, it is characterized in that valve body is provided with two oil ducts, be placed with the opposite spool of conducting direction in two oil ducts respectively, the outlet of one of them oil duct communicates with the inlet of another oil duct, makes valve body can form a loop along a direction passage.Valve body has two oil ducts, place the opposite spool of conducting direction in the oil duct, form in the valve body and have one-way valve and pressure-relief valve structure, spool conducting from inside to outside of the conducting direction phase antirepresentation of spool, the conducting from outside to inside of another spool, the spool of conducting from inside to outside is as the spool of one-way valve, the spool of conducting is as the spool of pressure-relief valve from outside to inside, the outlet of one-way valve is communicated with the inlet of pressure-relief valve, be provided with quantitative distributor in the oil circuit, the quantitative distributor need of work unloads the oil pressure of working connection only, after oil pump quits work, the oil pressure on the working connection can be unloaded only by pressure-relief valve, make the quantitative distributor energy proper functioning in the oil circuit, perhaps when the output oil duct of one valve was closed, high pressure oil can be from the inlet release of pressure-relief valve.
As preferably, oil duct comprises the valve port of reducing, and valve port is tapered, and described spool comprises valve ball and spring, and than large-diameter portion, valve ball withstands the conical surface of valve port to valve ball at oil duct.Spherical valve ball is that line contacts with the valve port of taper, and favorable sealing effect is subjected to the influence of machining accuracy little like this.
A kind of scheme of valve body: valve body is the T font and comprises vertical part and transverse part, and the vertical part is cylindrical, is provided with the oil duct that connects valve body in the vertical part, and transverse part is a planar, and transverse part is provided with the oil duct that connects transverse part, and two oil ducts are parallel to each other and are not connected in valve body.Vertical part and transverse part are structure as a whole, the vertical part is in the intermediate portion of transverse part, the unidirectional oil duct of conducting is from inside to outside offered as one-way valve in the position on the limit of transverse part, the oil duct of offering conducting from outside to inside in the vertical part is as pressure-relief valve, come out to be connected from the outlet of one-way valve with the inlet of pressure-relief valve, can be when lubricant pump quits work from the pressure-relief valve fast pressure relief.
As preferably, direction opposite with the vertical part on the transverse part is extended with attachment post, oil duct in the vertical part connects attachment post, be equipped with the pressing plate that can slide up and down on the attachment post, the end card of attachment post has the opening jump ring, is placed with volute spring between pressing plate and the opening jump ring, when valve ball is placed on the interior valve port of transverse part oil duct, pressing plate is pushed down valve ball, withstands with spring when valve ball is placed into valve port in the oil duct of vertical part, and the other end of spring withstands the plug place that is fixed on oil duct end, vertical part.Be placed with valve ball in the transverse part oil duct, the pressing plate that valve ball is connected on the post is pushed down, pressing plate is fixed by being nested with at volute spring on the attachment post and the opening jump ring that is fixed on the attachment post, apply unidirectional conducting power by volute spring to valve ball, valve ball in the oil duct of vertical part is connected by spring and the plug by the oil duct end withstands spring, applied to valve ball by spring and to unload pressure pressure, vertical part and attachment post are on same the axis.
Another kind of scheme: the position of transverse part upper transverse part oil duct is extended with attachment post to the vertical part opposite direction, the transverse part oil duct connects transverse part and attachment post, the end of attachment post and the end of vertical part are rotary with plug, and valve ball withstands with spring after putting into the interior valve port place of oil duct, and the other end of spring withstands plug.Its attachment post of the valve body of this structure is arranged on transverse part oil duct position, and valve ball is placed on inside, joint and fixes with plug and spring, provides conducting power by spring, and is simple in structure.
The third scheme: valve body is
Shape comprises vertical tube and transverse tube, is provided with the vertical part oil duct in the vertical tube, is provided with the transverse part oil duct in the transverse tube, and the outlet of transverse tube oil duct is communicated with the inlet of vertical tube oil duct.The outlet of transverse tube oil duct only is communicated with the inlet of vertical tube oil duct, prevents that the unidirectional conducting of transverse part oil duct from directly entering in the pressure-relief valve oil duct, causes delivery pressure to descend.
As preferably, be provided with step in the transverse part oil duct of transverse tube, the end of transverse part oil duct is rotary with valve port spare, puts into spring and valve ball in the transverse part oil duct, and an end of spring withstands step, and the other end of spring withstands valve ball, and valve port spare is withstood in the another side of valve ball; Put into valve ball and spring in the vertical part oil duct of vertical tube, valve port is withstood in valve ball one side, and the another side of valve ball contacts with spring, and the other end of spring withstands the plug that is spun on place, oil duct end, vertical part.
The beneficial effects of the utility model are: two mutual disconnected unidirectional oil ducts are set in valve body, place the spool that valve ball and spring are formed in the unidirectional oil duct, form an one-way valve and a pressure-relief valve integrative-structure, simple and compact for structure, can reduce the layout of oil circuit, dwindle installation volume, lower rate of fault simultaneously.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is a kind of schematic perspective view of the utility model;
Fig. 3 is a kind of structural representation of the utility model;
Fig. 4 is a kind of structural representation of the utility model;
Among the figure: 1, plug, 2, spring, 3, valve ball, 4, valve body, 5, pressing plate, 6, volute spring, 7, the opening jump ring, 8, the vertical part, 9, transverse part, 10, attachment post, 11, the vertical part oil duct, 12, the transverse part oil duct, 13, valve port, 14, step.
Embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: a kind of unidirectional release one valve (referring to accompanying drawing 1 accompanying drawing 2), comprise valve body 4 and spool, valve body is the T font and comprises vertical part 8 and transverse part 9, the vertical part is cylindrical, be provided with the vertical part oil duct 11 that connects valve body in the vertical part, transverse part is a planar, transverse part is provided with the transverse part oil duct 12 that connects transverse part, two oil ducts are parallel to each other and are not connected in valve body, oil duct inside is provided with the valve port 13 of taper, valve port direction in two oil ducts is opposite, valve port in the oil duct of vertical part down, valve port in the transverse part oil duct up, spool comprises valve ball 3 and spring, after spool is placed in the oil duct, valve ball withstands valve port, be provided with spring 2 in the oil duct of vertical part, the end of vertical part oil duct is fixed with plug 1, and spring one end withstands the sphere of valve ball, the other end of spring withstands plug, the direction opposite with the vertical part is extended with attachment post 10 on the transverse part, and the oil duct in the vertical part connects attachment post, is equipped with the pressing plate 5 that can slide up and down on the attachment post, the end card of attachment post has opening jump ring 7, be placed with volute spring 6 between pressing plate and the opening jump ring, when valve ball was placed on the interior valve port of transverse part oil duct, pressing plate was pushed down valve ball.
After the one valve was put into oil circuit, the inlet of the outlet of vertical part oil duct and transverse part oil duct was the input direction of oil circuit, and the outlet of the inlet of vertical part oil duct and transverse part oil duct is the outbound course of oil circuit, and the inlet of vertical part oil duct is connected with the outlet of transverse part oil duct
Embodiment 2: a kind of unidirectional release one valve (referring to accompanying drawing 3), the position of transverse part upper transverse part oil duct is extended with attachment post 10 to the vertical part opposite direction, transverse part oil duct 12 connects transverse part 9 and attachment post 10, the end of attachment post and the end of vertical part are rotary with plug 1, valve ball withstands with spring after putting into the interior valve port place of oil duct, and the other end of spring withstands plug.All the other structures are with reference to embodiment 1.
Embodiment 3: a kind of unidirectional release one valve (referring to accompanying drawing 4), valve body is
Shape comprises vertical tube 15 and transverse tube 16, be provided with vertical part oil duct 11 in the vertical tube, be provided with transverse part oil duct 12, two oil ducts in the transverse tube and be interconnected, the spool of placing in the vertical tube oil duct is lower than the position of transverse tube, be provided with step 14 in the transverse part oil duct, the end of transverse part oil duct is rotary with valve port spare 17, puts into spring 2 and valve ball 3 in the transverse part oil duct, and an end of spring withstands step, the other end of spring withstands valve ball, and valve port spare is withstood in the another side of valve ball; Put into valve ball and spring in the vertical part oil duct of vertical tube, valve port is withstood in valve ball one side, and the another side of valve ball contacts with spring, and the other end of spring withstands the plug that is spun on place, vertical tube oil duct end.
Above-described embodiment is a kind of preferred version of the present utility model, is not the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technological scheme that claim puts down in writing.
Claims (7)
1. unidirectional release one valve, comprise valve body (4) and spool, it is characterized in that valve body is provided with two oil ducts, be placed with the opposite spool of conducting direction in two oil ducts respectively, the outlet of one of them oil duct communicates with the inlet of another oil duct, makes to form the loop along a direction passage in the valve body.
2. unidirectional release one valve according to claim 1, it is characterized in that described oil duct comprises the valve port (13) of reducing, valve port is tapered, and described spool comprises valve ball (3) and spring (2), than large-diameter portion, valve ball withstands the conical surface of valve port to valve ball at oil duct.
3. unidirectional release one valve according to claim 1 and 2, it is characterized in that described valve body is the T font and comprises vertical part (8) and transverse part (9), the vertical part is cylindrical, be provided with the oil duct that connects valve body in the vertical part, transverse part is a planar, transverse part is provided with the oil duct that connects transverse part, and two oil ducts are parallel to each other and are not connected in valve body.
4. unidirectional release one valve according to claim 3, it is characterized in that direction opposite with the vertical part on the transverse part is extended with attachment post (10), oil duct in the vertical part connects attachment post, be equipped with the pressing plate that can slide up and down (5) on the attachment post, the end card of attachment post has opening jump ring (7), be placed with volute spring (6) between pressing plate and the opening jump ring, when valve ball is placed on the interior valve port of transverse part oil duct, pressing plate is pushed down valve ball, withstand with spring when valve ball is placed into valve port in the oil duct of vertical part, the other end of spring withstands the plug (1) that is fixed on oil duct end, vertical part and locates.
5. unidirectional release one valve according to claim 3, the position that it is characterized in that transverse part upper transverse part oil duct is extended with attachment post to the vertical part opposite direction, the transverse part oil duct connects transverse part and attachment post, the end of attachment post and the end of vertical part are rotary with plug, valve ball withstands with spring after putting into the interior valve port place of oil duct, and the other end of spring withstands plug.
6. unidirectional release one valve according to claim 1 and 2 is characterized in that described valve body is
Shape comprises vertical tube and transverse tube, is provided with the vertical part oil duct in the vertical tube, is provided with the transverse part oil duct in the transverse tube, and two oil ducts are interconnected, and the spool of placing in the oil duct of vertical part is lower than the position of transverse tube.
7. unidirectional release one valve according to claim 6, it is characterized in that being provided with step (14) in the oil duct of transverse tube, the end of transverse part oil duct is rotary with valve port spare, put into spring and valve ball in the transverse part oil duct, one section of spring is withstood step, the other end of spring withstands valve ball, and valve port spare is withstood in the another side of valve ball; Put into valve ball and spring in the vertical part oil duct of vertical tube, valve port is withstood in valve ball one side, and the another side of valve ball contacts with spring, and the other end of spring withstands the plug that is spun on place, oil duct end, vertical part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203077014U CN201439828U (en) | 2009-08-10 | 2009-08-10 | One-way pressure-relief one-piece valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203077014U CN201439828U (en) | 2009-08-10 | 2009-08-10 | One-way pressure-relief one-piece valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201439828U true CN201439828U (en) | 2010-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203077014U Expired - Fee Related CN201439828U (en) | 2009-08-10 | 2009-08-10 | One-way pressure-relief one-piece valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201439828U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895588A (en) * | 2017-02-22 | 2017-06-27 | 合肥舒实工贸有限公司 | A kind of water heater pressure control device |
| CN111197661A (en) * | 2020-01-20 | 2020-05-26 | 邵延荣 | Gate valve |
| CN112727992A (en) * | 2020-12-22 | 2021-04-30 | 东风越野车有限公司 | Hydro-pneumatic spring base assembly integrating vehicle height sensor and valve bank |
| CN114109556A (en) * | 2021-11-19 | 2022-03-01 | 中国北方发动机研究所(天津) | Two-way valve for engine lubricating system |
-
2009
- 2009-08-10 CN CN2009203077014U patent/CN201439828U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895588A (en) * | 2017-02-22 | 2017-06-27 | 合肥舒实工贸有限公司 | A kind of water heater pressure control device |
| CN111197661A (en) * | 2020-01-20 | 2020-05-26 | 邵延荣 | Gate valve |
| CN112727992A (en) * | 2020-12-22 | 2021-04-30 | 东风越野车有限公司 | Hydro-pneumatic spring base assembly integrating vehicle height sensor and valve bank |
| CN114109556A (en) * | 2021-11-19 | 2022-03-01 | 中国北方发动机研究所(天津) | Two-way valve for engine lubricating system |
| CN114109556B (en) * | 2021-11-19 | 2023-06-23 | 中国北方发动机研究所(天津) | Two-way valve for engine lubrication system |
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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: 20100421 Termination date: 20140810 |
|
| EXPY | Termination of patent right or utility model |