CN103511500A - Clutch slave cylinder for hybrid vehicle - Google Patents
Clutch slave cylinder for hybrid vehicle Download PDFInfo
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- CN103511500A CN103511500A CN201310440845.8A CN201310440845A CN103511500A CN 103511500 A CN103511500 A CN 103511500A CN 201310440845 A CN201310440845 A CN 201310440845A CN 103511500 A CN103511500 A CN 103511500A
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention relates to a clutch slave cylinder for a hybrid vehicle. The clutch slave cylinder comprises an assisting cylinder body, an assisting cylinder piston is arranged in the assisting cylinder body, a piston rod capable of performing reciprocating motion along with the assisting cylinder piston is arranged on one side of the assisting cylinder piston close to a main cylinder body, and one end of the assisting cylinder piston away from the piston rod is connected with a clutch push rod. The clutch slave cylinder further comprises an electromagnet device for outputting linear thrust, the electromagnet device is provided with an output end consistent with the movement direction of the assisting cylinder piston, and the output end of the electromagnet device is in transmission connection with the piston rod or the clutch push rod. The magnetic field thrust generated by the electromagnet device is adopted to push the piston rod or the clutch push rod to move, hydraulic oil in the prior art is replaced by means of current, so that the clutch slave cylinder is simple in structure and convenient to control, and pollution caused by the adoption of the hydraulic oil in the prior art is reduced.
Description
Technical field
The present invention relates to a kind of clutch slave cylinder, relate in particular to a kind of clutch slave cylinder for hybrid electric vehicles.
Background technique
The structure of the clutch slave cylinder that at present hybrid electric vehicle adopts as application publication number be disclosed structure in the Chinese patent " a kind of clutch slave cylinder for hybrid electric vehicles " of CN 102562852A, this clutch slave cylinder comprises Master cylinder body and the power-assisted cylinder body being coaxially connected with Master cylinder body, in power-assisted cylinder body, be provided with power-assisted cylinder body is separated into the two-part servo-cylinder piston of front chamber and rear chamber, servo-cylinder piston is provided with the piston rod that can move forward and backward with servo-cylinder piston near Master cylinder body one side, also comprise the power-assisted gas circuit being communicated with the rear chamber of power-assisted cylinder body and control gas circuit, between power-assisted gas circuit and control gas circuit, be provided with straight-through up and down selector valve, selector valve upper end is communicated with power-assisted gas circuit, lower end is communicated with control air pressure suction port, centre is communicated with control gas circuit, in selector valve, be provided with for controlling the changeover valve core of each gas circuit on state, between power-assisted gas circuit and power-assisted air pressure suction port, be provided with control valve, during normal operation, control valve is positioned at the groove arranging on piston rod outer circumferential face, make to cut off between the power-assisted air pressure suction port of control valve both sides and power-assisted gas circuit, when needs make clutch separation, first the air pressure of controlling in gas circuit enter in power-assisted cylinder body, air pressure promotes servo-cylinder piston advances forward, thereby servo-cylinder piston driving piston rod travels forward and makes control valve depart from gradually piston rod, thereby piston rod outer circumferential face promotion control valve moves downward and makes power-assisted gas circuit and the conducting of power-assisted air pressure suction port, gas in power-assisted air pressure suction port enters power-assisted cylinder body by power-assisted gas circuit, the gas of controlling in gas circuit and power-assisted gas circuit promotes servo-cylinder piston jointly, finally realize clutch push rod motion, make clutch separation, when breaking down, pure air pressure pattern cannot realize clutch separation action, now rely on the clutch oil with certain pressure to enter Master cylinder body, clutch oil promotes piston rod and travels forward and control valve is moved down realize power-assisted air pressure suction port and the conducting of power-assisted gas circuit, gas in power-assisted air pressure suction port enters power-assisted cylinder body by power-assisted gas circuit and promotes servo-cylinder piston movement, and servo-cylinder piston promotion clutch push rod stretches out realizes clutch separation.This clutch slave cylinder adopts liquid gas combination drive mode to realize clutch operating when pure air pressure driving is broken down, therefore this clutch slave cylinder need to be combined use with corresponding oil circuit control, the structure of oil circuit control is comparatively complicated, and adopt clutch oil to cause certain influence to the operation of miscellaneous equipment, and adopt hydraulic oil can cause certain pollution.
Summary of the invention
The object of the invention is to propose a kind of simple in structure, be convenient to the clutch slave cylinder for hybrid electric vehicles that solenoidoperated cluthes push rod moves.
For addressing the above problem, the technical solution used in the present invention is:
Clutch slave cylinder for hybrid electric vehicles, comprise power-assisted cylinder body, in power-assisted cylinder body, be provided with servo-cylinder piston, on servo-cylinder piston, being provided with can be with the piston rod of servo-cylinder reciprocating motion of the pistons, servo-cylinder piston is connected with clutch push rod away from piston rod one end, also comprise for exporting the electromagnet apparatus of linear pushing power, described electromagnet apparatus has the output terminal consistent with described servo-cylinder piston movement direction, and the output terminal of described electromagnet apparatus and described piston rod or clutch push rod are in transmission connection.
On described power-assisted cylinder body, be provided with the sleeve that stretches out the piston rod of power-assisted cylinder body for accommodating, described electromagnet apparatus comprises the magnetic strip piston rod segment being wholely set on the electromagnetic coil that arranges on described sleeve lining and described piston rod.
On described power-assisted cylinder body, be provided with the position transducer for detection of servo-cylinder piston position.
The clutch slave cylinder for hybrid electric vehicles that the present invention proposes, the electromagnet apparatus output terminal that employing can be exported linear pushing power applies Driving force to the piston rod being in transmission connection with it or clutch push rod, from but clutch push rod move forward and backward.The present invention adopts magnetic field thrust promotion piston rod or the clutch push rod that electromagnet apparatus produces to move, rely on size of current to replace hydraulic oil of the prior art, thus make simple in structure, be convenient to control, reduce in prior art due to the pollution that adopts hydraulic oil to produce.
Further, adopt electromagnetic coil to be fixed on Master cylinder body inwall, utilize the elastic reaction of coil self to be close on Master cylinder body, locate simple and reliablely, be wholely set magnetic strip piston rod segment on piston rod, structure is more simple, control and be more prone to.
Further, setting position sensor on power-assisted cylinder body, separation or the bonding state of the position judgment clutch of the servo-cylinder piston that can gather according to position transducer.
Accompanying drawing explanation
Fig. 1 is the embodiment's of clutch slave cylinder for hybrid electric vehicles of the present invention structural representation;
Fig. 2 is the right elevation of Fig. 1.
Embodiment
The embodiment of clutch slave cylinder for hybrid electric vehicles of the present invention: as shown in Fig. 1～Fig. 2, this clutch slave cylinder for hybrid electric vehicles comprises power-assisted cylinder body 17, in power-assisted cylinder body 17, be provided with servo-cylinder piston 19, servo-cylinder piston 19 is divided into front-bank rotor housing and rear-bank rotor housing by power-assisted cylinder body 17, on servo-cylinder piston 19, be fixedly connected with the piston rod 2 that can move back and forth with servo-cylinder piston 19 front and back, on piston rod 2, be arranged with piston spring 18, piston spring 18 front ends are connected with servo-cylinder piston 19 end faces, rear end is connected with the inwall of power-assisted cylinder body 17 rear sides, servo-cylinder piston 19 front sides are provided with clutch push rod 12, clutch push rod 12 also can move back and forth with piston rod 2 front and back with the coaxial setting of piston rod 2, clutch push rod 12 can be rotatably assorted by a small margin with servo-cylinder piston 19, also comprise power-assisted air pressure suction port 3 and control air pressure suction port 4, power-assisted air pressure suction port 3 is communicated with power-assisted cylinder body 17 rear chamber 13 by power-assisted air flue 6, power-assisted air flue 6 is " Z " font, power-assisted air flue 6 comprises the import of power-assisted air flue and the power-assisted air flue outlet 11 for being communicated with power-assisted cylinder body 17 for being communicated with power-assisted air pressure suction port 3, between power-assisted air pressure suction port 3 and the import of power-assisted air flue, be provided with for controlling the control valve 5 of power-assisted air pressure suction port 3 and 6 conductings of power-assisted air flue or disconnection, piston rod 2 peripheries are also provided with for holding the groove of the control spool of control valve 5, controlling air pressure suction port 4 is communicated with power-assisted cylinder body 17 rear chamber 13 by controlling air flue 10, control air flue 10 and comprise the import of control air flue and the control air flue outlet for being communicated with power-assisted cylinder body 17 for being communicated with control air pressure suction port 4, between power-assisted air flue 6 and control air flue 10, be provided with selector valve 7, selector valve 7 radially extends along piston rod 2, selector valve 7 upper ends are communicated with the power-assisted air flue between the import of power-assisted air flue and power-assisted air flue outlet 11, lower end is communicated with control air pressure suction port 4, centre is communicated with control air flue 10, in selector valve 7, be provided with for control power-assisted air flue 6 under gas pressure, control air flue 10, control the changeover valve core of air pressure suction port 4 and power-assisted cylinder body 17 on states, the steel ball 8 of changeover valve core for moving up and down in selector valve 7 valve roads, for avoiding affecting the nimble property of the integrated operation of clutch slave cylinder, selector valve has suitable roughness in 7 valve roads, thereby make steel ball 8 little with the frictional force in selector valve 7 valve roads in edge moves up and down process, when steel ball 8 is positioned at selector valve 7 Fa Dao top, the import of power-assisted air flue and power-assisted air flue outlet 11 are disconnected, control air pressure suction port 4 and control air flue import conducting, when steel ball 8 is positioned at selector valve 7 centre, valve roads, the import of power-assisted air flue and power-assisted air flue export 11 conductings, control air pressure suction port 4 and control air flue import conducting, steel ball 8 is positioned at 7 valve roads whens bottom of selector valve, and the import of power-assisted air flue is respectively with power-assisted air flue outlet 11 with control air flue import conducting, control air pressure suction port 4 and control air flue import and disconnect, on cylinder body, be also provided with for gathering the position transducer 9 of servo-cylinder piston 19 movement positions, the present embodiment adopts electromagnet apparatus to promote piston rod and moves forward, electromagnet apparatus has the output terminal consistent with servo-cylinder piston movement direction, at power-assisted cylinder body rear side, be provided with the sleeve 16 that stretches out the piston rod of power-assisted cylinder body for accommodating, electromagnet apparatus comprises the magnetic strip piston rod segment being wholely set on the electromagnetic coil 1 that arranges on sleeve 16 inwalls and piston rod, electromagnetic coil is connected by wire harness 15 and external power supply conduction, and the electromagnetic field of the rear generation of electromagnetic coil energising forces in magnetic strip piston rod segment wherein and moves forward.
When car load normally moves, by the import of power-assisted air pressure and the import of control air pressure, be filled with respectively the gas of certain pressure, now due to the spool of control valve 5, be positioned at the groove of piston rod 2 outer circumferential faces, therefore power-assisted air pressure suction port 3 disconnects with the import of power-assisted air flue, the gas being filled with in power-assisted air pressure suction port 3 cannot enter in power-assisted cylinder body 17 rear chamber 13 by power-assisted air flue 6, thereby all concentrates on power-assisted air pressure suction port 3 places, steel ball 8 in selector valve 7 valve roads is positioned at selector valve 7 bottoms, valve road under self gravitation, the gas of controlling air pressure suction port 4 places enters selector valve 7 valve roads, steel ball 8 moves upward to selector valve 7 Fa Dao tops in gas pressure Xia Yanfa road, now power-assisted air flue import and power-assisted air flue outlet 11 are disconnected, control air pressure suction port 4 and control air flue import conducting, gas enters power-assisted cylinder body 17 rear chamber 13 by controlling air flue 10, servo-cylinder piston 19 drives piston rod 2 to move forward under gas pressure effect, thereby the control spool that makes to be positioned at the control valve 5 of piston rod 2 side face grooves is deviate from groove gradually, piston rod 2 side faces of groove outside move down by pressure control valve core, thereby make the import conducting of power-assisted air pressure suction port 3 and power-assisted air flue, the gas at power-assisted air pressure suction port 3 places enters in power-assisted air flue 6, the steel ball 8 that gas push is positioned at selector valve 7 tops moves down, thereby steel ball 8 is positioned in the middle of selector valve 7 valve roads, now power-assisted air flue import and power-assisted air flue export 11 conductings, control air pressure suction port 4 and control air flue import conducting, the gas at power-assisted air pressure suction port 3 places enters power-assisted cylinder body 17 rear chamber 13 by power-assisted air flue 6, two bursts of gas actings in conjunction controlling in air flue 10 and power-assisted air flue overcome piston spring 18 pulling force on piston rod 2, promoting servo-cylinder piston 19 moves forward, thereby the clutch push rod 12 connecting on servo-cylinder piston 19 is moved forward, clutch separation, gas in power-assisted cylinder body 17 is discharged from controlling air pressure suction port 4 by controlling air flue 10, continuous discharge along with gas, air pressure in power-assisted cylinder body 17 rear chamber 13 constantly reduces, when this air pressure is less than the pulling force of piston spring 18 to the thrust of servo-cylinder piston 19, servo-cylinder piston 19 moves rapidly backward, gas in power-assisted cylinder body 17 rear chamber 13 is discharged by control valve 5 from power-assisted air flue 6 simultaneously, clutch push rod 12 is mobile withdrawal backward, until control in the groove that spool enters piston rod 2 again, power-assisted air pressure suction port 3 and power-assisted air flue 6 are disconnected, air pressure in selector valve 7 valve roads disappears, steel ball 8 again falls back to selector valve 7 bottoms, valve road under self gravitation effect.
When mixed power partly breaks down, when vehicle cannot normally travel, enter Electromagnetic Drive pattern, now car load air pressure enters from power-assisted air pressure suction port 3, but because the spool of control valve 5 is positioned at the groove of piston rod 2 outer circumferential faces, therefore power-assisted air pressure suction port 3 disconnects with the import of power-assisted air flue, and the gas being filled with in power-assisted air pressure suction port 3 cannot enter in power-assisted cylinder body 17 rear chamber 13 by power-assisted air flue 6, thereby all concentrates on power-assisted air pressure suction port 3 places, now control air pressure suction port 4 places and there is no air pressure, steel ball 8 in selector valve 7 valve roads in bottom, valve road, is therefore controlled air pressure suction port 4 and is controlled air flue 10 disconnections, the import of power-assisted air flue and power-assisted air flue outlet 11 and control air flue import conducting simultaneously under self gravitation effect, switch on power, external power supply is by 1 energising of 15 pairs of electromagnetic coils of wire harness, electromagnetic coil 1 produces magnetic field thrust, piston rod is magnetic strip piston rod, therefore piston rod 2 travels forward under the thrust of magnetic field, servo-cylinder piston 19 moves in the thrust Xia Xiang of piston rod 2 front chamber 14, movement along with piston rod 2, the control spool that is positioned at piston rod 2 grooves is deviate from groove gradually, and by depressing to move down, make power-assisted air pressure suction port 3 and power-assisted air flue import conducting at piston rod 2 outer circumferential faces, the gas at power-assisted air pressure suction port 3 places enters in the power-assisted air flue 6 of " Z " font by control valve 5, due to now power-assisted air flue import and power-assisted air flue outlet 11 and control air flue import conducting simultaneously, therefore gas enters in power-assisted cylinder body 17 rear chamber 13 by power-assisted air flue outlet 11 and control air flue 10, when the gas pressure of power-assisted cylinder body 17 rear chamber 13 and the magnetic field thrust of electromagnetic coil 1 are greater than the pulling force of piston spring 18, compressing servo-cylinder piston 19Xiang front chamber 14 moves, promotion clutch push rod 12 moves forward and makes clutch separation, deenergization is the current vanishes on electromagnetic coil 1, the magnetic field thrust of 1 pair of piston rod 2 of electromagnetic coil disappears, the pressure that servo-cylinder piston 19 is subject to is less than the pulling force of piston spring 18, servo-cylinder piston 19 drives piston rod 2 and clutch push rod 12 to move backward rapidly, clutch push rod 12 is regained, gas in power-assisted cylinder body 17 rear chamber 13 enters power-assisted air flue 6 from power-assisted air flue outlet 11 and the outlet of control air flue, finally by control valve 5, discharge, piston rod 2 resets under piston spring 18 pulling force effects, controlling spool is embedded in the groove of piston rod 2, power-assisted air pressure suction port 3 disconnects with the import of power-assisted air flue.The external position transducer 9 that is provided with of servo-cylinder, position transducer 9 gathers the concrete movement position of servo-cylinder piston 19, thus separation and the bonding state of the position judgment clutch of the servo-cylinder piston 19 that can collect according to position transducer 9.
The clutch slave cylinder that the present invention proposes adopts magnetic force and the pure air pressure that electromagnetic coil produces to drive two kinds of drive patterns to realize clutch operating, can realize drive pattern exchanges, increase work efficiency, adopt the magnetic force that electric current produces to replace hydraulic oil, save vehicle operating cost, energy efficient, reduces and pollutes, clean environment firendly.
The present invention adopts the motion of electromagnetic coil piston rod and control valve is moved downward, the import conducting of power-assisted air pressure suction port and power-assisted air flue will be made, owing to there not being hydraulic oil, therefore control valve does not bear the pressure of hydraulic oil, thereby reduced the requirement of sealing, oil resistance and the resistance to pressure of control valve, reduced cost.
Electromagnet apparatus is the magnetic strip piston rod segment of electromagnetic coil and piston rod in the present embodiment, also can directly adopt electromagnet in other embodiments of the invention, be about to piston rod and electromagnetic coil and be all set to electromagnet, by changing the ferromagnetic mode of one of them electromagnetism, utilize electromagnet to carry out piston rod motion with the characteristic that magnetic is repelled each other, different Magnetic Phase is inhaled.
On piston rod, be wholely set in the present embodiment magnetic strip piston rod segment, the iron core in electromagnet apparatus and piston rod also can adopt split-type structural in other embodiments of the invention.
The output terminal of electromagnet apparatus is the magnetic strip piston rod segment being wholely set on piston rod in the present embodiment, also can make in other embodiments of the invention the output terminal of electromagnet apparatus and clutch push rod be in transmission connection.
Claims (3)
1. clutch slave cylinder for hybrid electric vehicles, comprise power-assisted cylinder body, in power-assisted cylinder body, be provided with servo-cylinder piston, on servo-cylinder piston, being provided with can be with the piston rod of servo-cylinder reciprocating motion of the pistons, servo-cylinder piston is connected with clutch push rod away from piston rod one end, it is characterized in that: also comprise for exporting the electromagnet apparatus of linear pushing power, described electromagnet apparatus has the output terminal consistent with described servo-cylinder piston movement direction, and the output terminal of described electromagnet apparatus and described piston rod or clutch push rod are in transmission connection.
2. clutch slave cylinder for hybrid electric vehicles according to claim 1, it is characterized in that: on described power-assisted cylinder body, be provided with the sleeve that stretches out the piston rod of power-assisted cylinder body for accommodating, described electromagnet apparatus comprises the magnetic strip piston rod segment being wholely set on the electromagnetic coil that arranges on described sleeve lining and described piston rod.
3. clutch slave cylinder for hybrid electric vehicles according to claim 1 and 2, is characterized in that: on described power-assisted cylinder body, be provided with the position transducer for detection of servo-cylinder piston position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310440845.8A CN103511500B (en) | 2013-09-25 | 2013-09-25 | Clutch slave cylinder for hybrid electric vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310440845.8A CN103511500B (en) | 2013-09-25 | 2013-09-25 | Clutch slave cylinder for hybrid electric vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103511500A true CN103511500A (en) | 2014-01-15 |
| CN103511500B CN103511500B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310440845.8A Active CN103511500B (en) | 2013-09-25 | 2013-09-25 | Clutch slave cylinder for hybrid electric vehicles |
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| Country | Link |
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| CN (1) | CN103511500B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564903A (en) * | 2014-12-29 | 2015-04-29 | 潍柴动力股份有限公司 | Hydraulic oil cylinder, hydraulic clutch operation mechanism and control method |
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|---|---|---|---|---|
| CN101713439A (en) * | 2009-12-29 | 2010-05-26 | 瑞立集团瑞安汽车零部件有限公司 | Improved multifunctional clutch booster |
| DE102011086824A1 (en) * | 2010-12-23 | 2012-06-28 | Schaeffler Technologies Gmbh & Co. Kg | Piston cylinder arrangement for forming part of master-or slave cylinder of hydraulic clutch- or brake actuation system in vehicle with stop-start system, has piston provided with magnet that is arranged on piston |
| CN102562852A (en) * | 2012-02-29 | 2012-07-11 | 郑州宇通客车股份有限公司 | Clutch slave cylinder for hybrid electric vehicles |
| CN202883820U (en) * | 2012-10-09 | 2013-04-17 | 索特传动设备有限公司 | Clutch actuating mechanism and vehicle |
| CN203516518U (en) * | 2013-09-25 | 2014-04-02 | 郑州宇通客车股份有限公司 | Clutch slave cylinder for hybrid power vehicle |
-
2013
- 2013-09-25 CN CN201310440845.8A patent/CN103511500B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713439A (en) * | 2009-12-29 | 2010-05-26 | 瑞立集团瑞安汽车零部件有限公司 | Improved multifunctional clutch booster |
| DE102011086824A1 (en) * | 2010-12-23 | 2012-06-28 | Schaeffler Technologies Gmbh & Co. Kg | Piston cylinder arrangement for forming part of master-or slave cylinder of hydraulic clutch- or brake actuation system in vehicle with stop-start system, has piston provided with magnet that is arranged on piston |
| CN102562852A (en) * | 2012-02-29 | 2012-07-11 | 郑州宇通客车股份有限公司 | Clutch slave cylinder for hybrid electric vehicles |
| CN202883820U (en) * | 2012-10-09 | 2013-04-17 | 索特传动设备有限公司 | Clutch actuating mechanism and vehicle |
| CN203516518U (en) * | 2013-09-25 | 2014-04-02 | 郑州宇通客车股份有限公司 | Clutch slave cylinder for hybrid power vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564903A (en) * | 2014-12-29 | 2015-04-29 | 潍柴动力股份有限公司 | Hydraulic oil cylinder, hydraulic clutch operation mechanism and control method |
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| CN103511500B (en) | 2016-05-04 |
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Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |