CN201322116Y - Proportional pressure-reducing valve - Google Patents
Proportional pressure-reducing valve Download PDFInfo
- Publication number
- CN201322116Y CN201322116Y CNU2008201820718U CN200820182071U CN201322116Y CN 201322116 Y CN201322116 Y CN 201322116Y CN U2008201820718 U CNU2008201820718 U CN U2008201820718U CN 200820182071 U CN200820182071 U CN 200820182071U CN 201322116 Y CN201322116 Y CN 201322116Y
- Authority
- CN
- China
- Prior art keywords
- hole
- valve
- magnet
- spool
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/025—Pressure reducing valves
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to a proportional pressure-reducing valve comprising a proportional electro-magnet (1), a valve core (17) and a valve pocket (9), wherein the axial cord of the electro-magnet (1) is on the same line of the axial cord of the valve pocket (9), an oil return opening A, an oil inlet B, an oil outlet C and an oil return opening D are orderly arranged on the side wall of the valve pocket (9), a damping hole which is communicated is arranged between a dead hole on the upper end of the valve core (17) and the oil inlet B, a damping hole which is communicated is arranged between a dead hole on the lower end and the oil outlet C, a valve seat (16) whose central hole is a stepped hole is arranged on the upper end surface, a tapered valve core (9) and a spring I (15) are arranged in the central hole of the valve seat (16), a rubber pad (9) is arranged between the tapered valve core (9) and the side wall of a big hole of the central hole of the valve seat (16), and the tapered surface of the tapered valve core (9) is matched with the joint face between the big hole and a small hole of the central hole of the valve seat (16). Compared with the prior art, the proportional pressure-reducing valve has the advantages of rapid response speed, good stability, simple structure, small appearance and low manufacturing cost.
Description
Technical field:
The utility model relates to a kind of proportional pressure-reducing valve that is used for the Control of Automobile automatic speed-changing system.
Background technique:
The proportional pressure-reducing valve of prior art, because the proportion electro-magnet of control is in parallel with spool, and be provided with damping plate in the passage, liquid need pass through one section very long circulation passage, could make the proportion electro-magnet inductor respond to, action after the induction also needs liquid to come regulating spool by a segment length circulation passage, so the speed of response of valve is slow, poor stability, complex structure, profile reach the processing cost height more greatly.
The model utility content:
The utility model at above problem provide that a kind of speed of response is fast, good stability, simple in structure, profile is small and exquisite and processing cost is low proportional pressure-reducing valve.
The utility model overcomes the above problems used technological scheme: a kind of proportional pressure-reducing valve with following structure is provided, it comprises proportion electro-magnet, spool and valve pocket, the center hole of described proportion electro-magnet is provided with adjusting screw from top to bottom, stage clip I and armature, the top of pressure regulating screw is combined with nut, described proportion electro-magnet is connected with valve pocket, described spool sliding fit is in the blind hole of valve pocket, the axis of the axis of proportion electro-magnet center hole and valve pocket blind hole is on same straight line, be provided with return opening A on the sidewall of described valve pocket from top to bottom successively, filler opening B, oil outlet C and return opening D, the upper and lower end of described spool is equipped with blind hole, and be provided with the damping hole that communicates between the blind hole of upper end and the filler opening B, be provided with the damping hole that communicates between the blind hole of lower end and the oil outlet C, be provided with spring II in the blind hole of spool lower end, the upper end surface is provided with the valve seat that center hole is a step hole, be provided with stage clip II between described valve seat and the armature from top to bottom successively, poppet valve core and spring I, be provided with rubber pad between the sidewall of poppet valve core and valve seat, and the sealing that matches with an end of valve base center hole aperture of the conical surface of poppet valve core, the sidewall of valve base center hole rubber pad downside is provided with the through hole that communicates with return opening A.
Be provided with connecting plate and sealing gasket between described proportion electro-magnet and the valve pocket.
After adopting above structure, the utility model compared with prior art, because proportion electro-magnet is direct-connected the connection with valve pocket, directly control spool, and adopted damping hole is set on the spool replaces original damping plate, therefore fast, the good stability of speed of response of the present utility model, simple in structure, profile is small and exquisite and processing cost is low.
As further improvement, be provided with magnetic shield and concentrating flux plate between described armature and the proportion electro-magnet center bore inner wall, concentrating flux plate is located at the outside of magnetic shield, guarantees that armature is flexibly movable, has therefore improved the stability that the utility model uses.
As further improvement, therefore described spool has improved the reliability of antifouling property of the present utility model, use and has prolonged working life at the filter screen that is circumferentially with at the damping hole place that communicates with filler opening B.
Description of drawings:
Accompanying drawing is a structural representation of the present utility model.
As shown in the figure: 1, proportion electro-magnet, 2, stage clip I, 3, magnetic shield, 4, armature, 5, stage clip II, 6, concentrating flux plate, 7, sealing gasket, 8, rubber pad, 9, poppet valve core, 10, the O RunddichtringO, 11, nut, 12, pressure regulating screw, 13, conductive feet, 14, connecting plate, 15, spring I, 16, valve seat, 17, spool, 18, filter screen, 19, valve pocket, 20, spring II.
Concrete embodiment:
Below in conjunction with accompanying drawing and concrete embodiment, the utility model is described further, but the utility model is not limited to following concrete embodiment:
A kind of as shown in drawings proportional pressure-reducing valve, it comprises proportion electro-magnet 1, spool 17 and valve pocket 19, described proportion electro-magnet 1 comprises plastic packaging, skeleton and housing, and its center hole is provided with pressure regulating screw 12 from top to bottom, stage clip I 2 and armature 4, the top of pressure regulating screw 12 is combined with nut 11, nut 11 is used for fixing pressure regulating screw 12, stage clip I 2 one ends prop up pressure regulating screw 12, the other end of stage clip I 2 props up armature 4, the outer surface of proportion electro-magnet 1 is provided with conductive feet 13, described proportion electro-magnet 1 is connected with valve pocket 19, and the axis of the axis of proportion electro-magnet 1 center hole and valve pocket 19 blind holes is on same straight line, described spool 17 sliding fits are in the blind hole of valve pocket 19, be provided with return opening A on the sidewall of described valve pocket 19 from top to bottom successively, filler opening B, oil outlet C and return opening D, the upper and lower end of described spool 17 is equipped with blind hole, and be provided with the damping hole that communicates between the blind hole of upper end and the filler opening B, and be provided with the damping hole that communicates between the blind hole of lower end and the oil outlet C, be provided with spring II20 in the spool 17 lower end blind holes, the upper end surface of spool 17 is provided with valve seat 16 in the blind hole of valve pocket 19, be provided with stage clip II 5 between described valve seat 16 and the armature 4 from top to bottom successively, poppet valve core 9 and spring I 15, stage clip II 5 one ends prop up armature 4, the other end of stage clip II 5 props up an end of poppet valve core 9, the end of spring I 15 props up the other end of poppet valve core 9, the other end of spring I 15 props up valve seat 16, be provided with rubber pad 8 between the sidewall of poppet valve core 9 and valve seat 16, and the sealing that matches with an end of valve seat 16 center hole apertures of the conical surface of poppet valve core 9, the sidewall of valve seat 16 center hole rubber pads 8 downsides is provided with the through hole that communicates with return opening A.
Be provided with connecting plate 14 and sealing gasket 7 between described proportion electro-magnet 1 and the valve pocket 19.
Be provided with magnetic shield 3 and concentrating flux plate 6 between described armature 4 and proportion electro-magnet 1 center bore inner wall, concentrating flux plate 6 is located at the outside of magnetic shield 3.
Described spool 17 is circumferentially with filter screen 18 the damping hole place that communicates with filler opening B.
Described valve pocket 19 outer surface return opening A, filler opening B, oil outlet C and return opening D are equipped with groove each other, are provided with O RunddichtringO 10 in the groove.
During use, in three grooves of valve outer surface, fill up the O RunddichtringO earlier, insert subsequently in the controlling plumbing fixtures, valve body is fixed by connecting plate with screw, and on conductive feet, inserted prefabricated terminal.During work, oil enters from filler opening B, enter into spool upper end blind hole by filter screen and damping hole, because poppet valve core is at the aperture place of the center hole of valve seat sealed aperture, make the oil in the blind hole of spool upper end can't flow to return opening A place, thereby the oil pressure that oil produces makes spool move down, then the passage of filler opening B and oil outlet C is opened, the passage of oil outlet C and return opening D is closed, the blind hole that an oil part enters the spool lower end by damping hole, oil pressure that produces and the restoring force of spring II make spool move up, the circulation area of the passage of filler opening B and oil outlet C reduces, finally be in the state of a balance, another part is gone out from oil outlet C.The part oil that enters the oil of damping hole is got back to fuel tank through the blind hole of spool lower end from return opening D.Collect the signal of stepless speed variator (CVT) clamping force when pressure transducer after, pass to control panel, after judging, gives control panel actuating signal of sensor again, this moment, sensor came the control ratio electromagnet to produce the magnetic power of electromagnetism by the power of electric current, the magnetic of the electromagnetism that produces is strong, then the displacement distance of armature is big, the displacement distance of poppet valve core is also big, spool upper end blind hole is big with regard to greatly promptly unloading oil mass to the circulation area of return opening A, the distance that spool moves up, the circulation area of passage is just little between filler opening B and the oil outlet C, and therefore the oil pressure of output is just little; Otherwise a little less than the magnetic of the electromagnetism that produces, the oil pressure of output is just big.
Claims (5)
1, a kind of proportional pressure-reducing valve, it comprises proportion electro-magnet (1), spool (17) and valve pocket (19), the center hole of described proportion electro-magnet (1) is provided with pressure regulating screw (12) from top to bottom, stage clip I (2) and armature (4), the top of pressure regulating screw (12) is combined with nut (11), described proportion electro-magnet (1) is connected with valve pocket (19), described spool (17) sliding fit is in the blind hole of valve pocket (19), it is characterized in that: the axis of the axis of proportion electro-magnet (1) center hole and valve pocket (19) blind hole is on same straight line, be provided with return opening A on the sidewall of described valve pocket (19) from top to bottom successively, filler opening B, oil outlet C and return opening D, the upper and lower end of described spool (17) is equipped with blind hole, and be provided with the damping hole that communicates between the blind hole of upper end and the filler opening B, be provided with the damping hole that communicates between the blind hole of lower end and the oil outlet C, be provided with spring II (20) in the blind hole of spool (17) lower end, the upper end surface is provided with the valve seat that center hole is a step hole (16), be provided with stage clip II (5) from top to bottom successively between described valve seat (16) and the armature (4), poppet valve core (9) and spring I (15), be provided with rubber pad (8) between the sidewall of poppet valve core (9) and valve seat (16) center hole macropore, and the sealing that matches with an end of valve seat (16) center hole aperture of the conical surface of poppet valve core (9), the sidewall of valve seat (16) center hole rubber pad (8) downside is provided with the through hole that communicates with return opening A.
2, proportional pressure-reducing valve according to claim 1 is characterized in that: be provided with connecting plate (14) and sealing gasket (7) between described proportion electro-magnet (1) and the valve pocket (19).
3, proportional pressure-reducing valve according to claim 1 is characterized in that: be provided with magnetic shield (3) and concentrating flux plate (6) between described armature (4) and proportion electro-magnet (1) center bore inner wall, concentrating flux plate (6) is located at the outside of magnetic shield (3).
4, proportional pressure-reducing valve according to claim 1 is characterized in that: described spool (17) is circumferentially with filter screen (18) the damping hole place that communicates with filler opening B.
5, proportional pressure-reducing valve according to claim 1 and 2 is characterized in that: described valve pocket (19) outer surface return opening A, filler opening B, oil outlet C and return opening D are equipped with groove each other, are provided with O RunddichtringO (10) in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201820718U CN201322116Y (en) | 2008-08-08 | 2008-12-06 | Proportional pressure-reducing valve |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820162371 | 2008-08-08 | ||
| CN200820162371.X | 2008-08-08 | ||
| CNU2008201820718U CN201322116Y (en) | 2008-08-08 | 2008-12-06 | Proportional pressure-reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201322116Y true CN201322116Y (en) | 2009-10-07 |
Family
ID=41159499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201820718U Expired - Fee Related CN201322116Y (en) | 2008-08-08 | 2008-12-06 | Proportional pressure-reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201322116Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588579A (en) * | 2011-01-12 | 2012-07-18 | 罗伯特·博世有限公司 | Valve device especially in automatic gearbox of vehicle |
| CN102620037A (en) * | 2012-03-30 | 2012-08-01 | 烟台卡伦特机械制造有限公司 | Integrated pressure regulating switching valve |
| CN102865395A (en) * | 2011-07-04 | 2013-01-09 | 贵州红林机械有限公司 | Inserted pressure regulating valve |
| CN103321983A (en) * | 2013-07-02 | 2013-09-25 | 中航力源液压股份有限公司 | Method for improving constant-pressure cut-off performance of hydraulic variable-displacement motor and constant-pressure cut-off valve |
| CN103453178A (en) * | 2013-08-20 | 2013-12-18 | 集美大学 | Hydraulic brake valve of feedback piston of valve core |
| CN103775723A (en) * | 2012-10-19 | 2014-05-07 | 卡尔·邓格斯有限责任两合公司 | Actuator |
| CN104265929A (en) * | 2014-09-28 | 2015-01-07 | 范伟林 | Tapered cartridge valve |
| CN104930009A (en) * | 2014-03-19 | 2015-09-23 | 罗伯特·博世有限公司 | Pressure reducing valve |
| CN105275908A (en) * | 2014-06-27 | 2016-01-27 | 德国海利特有限公司 | Hydraulic valve |
| CN106104126A (en) * | 2014-03-12 | 2016-11-09 | 伟创力汽车有限公司 | Double/variable gain oil pump control valve |
| CN107989844A (en) * | 2017-11-29 | 2018-05-04 | 宁波文泽机电技术开发有限公司 | A kind of leakage-free pressure compensation electromagnetic proportioning valve |
| CN108953270A (en) * | 2018-08-24 | 2018-12-07 | 东莞海特帕沃液压科技有限公司 | A kind of control valve |
| CN109790931A (en) * | 2016-08-31 | 2019-05-21 | 纳博特斯克有限公司 | Slide valve and valve system |
-
2008
- 2008-12-06 CN CNU2008201820718U patent/CN201322116Y/en not_active Expired - Fee Related
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150127754A (en) * | 2011-01-12 | 2015-11-18 | 로베르트 보쉬 게엠베하 | Valve arrangement, particularly in an automatic transmission of a motor vehicle |
| CN102588579A (en) * | 2011-01-12 | 2012-07-18 | 罗伯特·博世有限公司 | Valve device especially in automatic gearbox of vehicle |
| DE102011002600B4 (en) | 2011-01-12 | 2023-07-27 | Robert Bosch Gmbh | Valve arrangement, in particular in a motor vehicle automatic transmission |
| CN102588579B (en) * | 2011-01-12 | 2016-12-14 | 罗伯特·博世有限公司 | The especially valving in automatic transmission for vehicles |
| CN102865395A (en) * | 2011-07-04 | 2013-01-09 | 贵州红林机械有限公司 | Inserted pressure regulating valve |
| CN102865395B (en) * | 2011-07-04 | 2014-03-26 | 贵州红林机械有限公司 | Inserted pressure regulating valve |
| CN102620037A (en) * | 2012-03-30 | 2012-08-01 | 烟台卡伦特机械制造有限公司 | Integrated pressure regulating switching valve |
| CN102620037B (en) * | 2012-03-30 | 2013-06-05 | 烟台卡伦特机械制造有限公司 | Integrated pressure regulating switching valve |
| CN103775723A (en) * | 2012-10-19 | 2014-05-07 | 卡尔·邓格斯有限责任两合公司 | Actuator |
| CN103321983A (en) * | 2013-07-02 | 2013-09-25 | 中航力源液压股份有限公司 | Method for improving constant-pressure cut-off performance of hydraulic variable-displacement motor and constant-pressure cut-off valve |
| CN103453178A (en) * | 2013-08-20 | 2013-12-18 | 集美大学 | Hydraulic brake valve of feedback piston of valve core |
| CN103453178B (en) * | 2013-08-20 | 2016-01-13 | 集美大学 | A kind of hydraulic brake valve of feedback piston of valve core |
| CN106104126A (en) * | 2014-03-12 | 2016-11-09 | 伟创力汽车有限公司 | Double/variable gain oil pump control valve |
| CN106104126B (en) * | 2014-03-12 | 2018-10-19 | 伟创力汽车有限公司 | Solenoid control valve for fluids |
| CN104930009A (en) * | 2014-03-19 | 2015-09-23 | 罗伯特·博世有限公司 | Pressure reducing valve |
| CN104930009B (en) * | 2014-03-19 | 2018-09-18 | 罗伯特·博世有限公司 | Pressure reducing valve |
| CN105275908A (en) * | 2014-06-27 | 2016-01-27 | 德国海利特有限公司 | Hydraulic valve |
| CN105275908B (en) * | 2014-06-27 | 2017-11-17 | 德国海利特有限公司 | Hydraulic valve |
| CN104265929A (en) * | 2014-09-28 | 2015-01-07 | 范伟林 | Tapered cartridge valve |
| CN109790931A (en) * | 2016-08-31 | 2019-05-21 | 纳博特斯克有限公司 | Slide valve and valve system |
| CN107989844A (en) * | 2017-11-29 | 2018-05-04 | 宁波文泽机电技术开发有限公司 | A kind of leakage-free pressure compensation electromagnetic proportioning valve |
| CN107989844B (en) * | 2017-11-29 | 2019-08-02 | 凯文斯流体控制(江苏)有限公司 | A kind of leakage-free pressure compensation electromagnetic proportioning valve |
| CN108953270A (en) * | 2018-08-24 | 2018-12-07 | 东莞海特帕沃液压科技有限公司 | A kind of control valve |
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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: 20091007 Termination date: 20141206 |
|
| EXPY | Termination of patent right or utility model |