CN102562852A - Clutch slave cylinder for hybrid electric vehicles - Google Patents
Clutch slave cylinder for hybrid electric vehicles Download PDFInfo
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- CN102562852A CN102562852A CN2012100496205A CN201210049620A CN102562852A CN 102562852 A CN102562852 A CN 102562852A CN 2012100496205 A CN2012100496205 A CN 2012100496205A CN 201210049620 A CN201210049620 A CN 201210049620A CN 102562852 A CN102562852 A CN 102562852A
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a clutch slave cylinder for hybrid electric vehicles, which comprises a main cylinder body and a booster cylinder body coaxially connected with the same. A booster cylinder piston is arranged in the booster cylinder body, and a main cylinder piston connected with the booster cylinder piston is arranged in the main cylinder body. The clutch slave cylinder is further provided with a booster air pressure inlet, a booster air channel, a control valve, a control air pressure inlet, a control air channel and a reversing valve. The booster air pressure inlet is communicated with the booster cylinder body through the booster air channel, the control valve controls on and off of the booster air pressure inlet and the booster air channel, the control air pressure inlet is communicated with the booster cylinder body through the control air channel, and the reversing valve is connected between the booster air channel and the control air channel. Besides, the reversing valve comprises a valve passage running through vertically, the booster air channel is communicated with the control air channel by the valve passage, and a reversing spool controlled by air pressure is arranged in the valve passage. With the clutch slave cylinder, switching between the hydraulic and air pressure hybrid drive mode and the pure air pressure drive mode of vehicles can be realized in a quick and labor-saving manner, work efficiency is increased, and running reliability of the vehicles is improved.
Description
Technical field
The present invention relates to the clutch Outside control gear, relate in particular to the clutch slave cylinder that the clutch on the PHEV is used.
Background technique
The structure such as the Chinese patent notification number of traditional clutch slave cylinder of the prior art are CN200949613Y, and the day for announcing is on September 19th, 2007, and name is called in ' a kind of automobile clutch booster assembly ' specification and discloses a kind of automobile clutch booster; Comprise that Master cylinder body reaches and the coaxial power-assisted cylinder body that is connected of Master cylinder body, be provided with master cylinder piston in the Master cylinder body, be provided with the servo-cylinder piston in the power-assisted cylinder body; Master cylinder piston is connected on the servo-cylinder piston near the rear end of servo-cylinder piston; On the inwall of power-assisted cylinder body front side and be connected with return spring between the servo-cylinder piston, Master cylinder body is provided with power-assisted air pressure suction port, also is provided with the power-assisted gas circuit that is communicated between power-assisted air pressure suction port and the power-assisted cylinder body and the control valve of control power-assisted gas circuit and power-assisted air pressure suction port break-make on the booster; The rear end of master cylinder piston is connected with push rod; Also be provided with the scale body on the Master cylinder body, this traditional clutch slave cylinder can only be applicable to the drive pattern operation down that hydraulic oil and air pressure mix, and the clutch slave cylinder of using on the existing PHEV all is a cylinder type; It is the pneumaticpiston push rod; Work long hours and damage easily, and the wheel cylinder of cylinder type structure can only be applicable to the operation air pressure drive pattern under, owing to the development of new energy vehicle is not overripened; Such-and-such problem appears through regular meeting; Vehicle on the way can't normally move and can often take place, and the maintenance of can only stopping when the working condition of vehicle breaks down will cause the waste of huge human and material resources; Increased the operating cost of vehicle, made the reliability of vehicle operating low.
Summary of the invention
The object of the present invention is to provide a kind of hybrid vehicle clutch slave cylinder that can between hydraulic oil and air pressure combination drive pattern and pure air pressure drive pattern, switch each other.
For realizing above-mentioned purpose; The present invention adopts following technological scheme: a kind of hybrid vehicle clutch slave cylinder; Comprise that Master cylinder body reaches and the coaxial power-assisted cylinder body that is connected of Master cylinder body; Be provided with the servo-cylinder piston in the power-assisted cylinder body, be provided with the master cylinder piston that links to each other with the servo-cylinder piston in the Master cylinder body, also be provided with power-assisted air pressure suction port on the wheel cylinder and be communicated in power-assisted air pressure suction port and said power-assisted cylinder body between power-assisted gas circuit, the control valve of control power-assisted air pressure suction port and power-assisted gas path on-off; Also be provided with control air pressure suction port on the wheel cylinder and be communicated in control gas circuit between control air pressure suction port and the said power-assisted cylinder body, be connected in the power-assisted gas circuit and control the selector valve between the gas circuit; Said selector valve comprises the straight-through up and down valve road that is communicated between power-assisted gas circuit and the control gas circuit, and the valve that the upper end in valve road is communicated in the power-assisted gas circuit that is communicated with the air outlet of control valve leads between the air outlet of suction port and power-assisted gas circuit, and the lower end in valve road is communicated between the air outlet of control air pressure suction port and control gas circuit; Be provided with changeover valve core in the valve road through air pressure control; When changeover valve core is positioned at the top, valve road, the logical suction port of valve of power-assisted gas circuit and the air outlet of power-assisted gas circuit are broken off, control air pressure suction port is communicated with the air outlet of control gas circuit; When changeover valve core is positioned at neutral position, valve road; The logical suction port of the valve of power-assisted gas circuit is communicated with the air outlet of power-assisted gas circuit, is communicated with the air outlet of controlling gas circuit controlling the air pressure suction port, when changeover valve core be positioned at the valve road bottom the time; The logical suction port of valve of power-assisted gas circuit is connected with the air outlet of power-assisted gas circuit air outlet with the control gas circuit simultaneously, and control air pressure suction port breaks off with the air outlet of control gas circuit.
Described control valve is arranged on the sidewall of Master cylinder body perpendicular to the axis of Master cylinder body; Control valve comprises the control spool; The control spool extend in the endoporus of Master cylinder body, is provided for holding the control spool that stretches out on the outer circumferential face of master cylinder piston and makes control valve be in the groove of closed condition.
The part of described power-assisted gas circuit between control valve and power-assisted cylinder body is Z-shaped.
Be communicated with in power-assisted air pressure suction port place on the described Master cylinder body to be provided with and be used for the power-assisted air pressure gas-entered passageway that is connected with source of the gas.
Be communicated with in control air pressure suction port place on the described Master cylinder body to be provided with and be used for the control air pressure gas-entered passageway that is connected with source of the gas.
A kind of hybrid vehicle clutch slave cylinder of the present invention has increased pure air pressure drive pattern on the basis of traditional air pressure and hydraulic pressure combination drive, pure air pressure drive pattern mainly relies on the car load source of the gas; Utilized the car load source of the gas fully, when pure air pressure drive pattern lost efficacy, traditional liquid gas combination drive pattern was opened; Two energy-conservation, quick conversions of drive pattern have been realized; Realized the exchange of pattern, improved working efficiency, the vehicle operating reliability is improved.
Further, the unlatching of control valve adopts the control spool to embed and deviate from the mechanical structure united opening of groove, makes the whole controlling system process compacter.
Description of drawings
Fig. 1 is the structural representation of embodiments of the invention;
Fig. 2 is the phantom of the right elevation of Fig. 1.
Embodiment
A kind of embodiment of hybrid vehicle clutch slave cylinder; Like Fig. 1, shown in 2, comprise that Master cylinder body 1 reaches and the Master cylinder body 1 coaxial power-assisted cylinder body 15 that is connected, and is provided with servo-cylinder piston 16 in the power-assisted cylinder body 15; Be provided with returning spring 18 between the rear side of servo-cylinder piston 16 and the power-assisted cylinder body rear wall; Servo-cylinder piston 16 is divided into front chamber 14 and rear chamber 13 with the power-assisted cylinder body, is provided with the master cylinder piston 2 that links to each other with servo-cylinder piston 16 in the Master cylinder body 1, and the front end of master cylinder piston 2 is fixedly connected with clutch push rod 12; Also be provided with power-assisted air pressure suction port on the wheel cylinder and be communicated in power-assisted air pressure suction port and the power-assisted cylinder body between power-assisted gas circuit 6, the control valve 5 of control power-assisted air pressure suction port and power-assisted gas path on-off; Control valve 5 is arranged on the sidewall of Master cylinder body 1 perpendicular to the axis of Master cylinder body, and power-assisted gas circuit 6 is Z-shaped, and the connection of power-assisted air pressure suction port place is provided with power-assisted air pressure gas-entered passageway 3; Control valve 5 comprises the control spool; The control spool extend in the endoporus of Master cylinder body 1, is provided for holding the control spool that stretches out on the outer circumferential face of master cylinder piston 2 and makes control valve be in the groove of closed condition, also is provided with control air pressure suction port on the wheel cylinder and is communicated in control gas circuit 10 between control air pressure suction port and the power-assisted cylinder body 15, is connected in power-assisted gas circuit 6 and controls the selector valve between the gas circuit 10; Selector valve comprises the straight-through up and down valve road 7 that is communicated between power-assisted gas circuit 6 and the control gas circuit 10; The valve that the upper end in valve road 7 is communicated in the power-assisted gas circuit that is communicated with the air outlet of control valve leads between the air outlet of suction port and power-assisted gas circuit, and the lower end in valve road 7 is communicated between the air outlet of control air pressure suction port and control gas circuit, is provided with the changeover valve core 8 through air pressure control in the valve road 7; Changeover valve core 8 is a steel ball; When steel ball is positioned at the top, valve road, the logical suction port of valve of power-assisted gas circuit and the air outlet of power-assisted gas circuit are broken off, control air pressure suction port is communicated with the air outlet of control gas circuit; When steel ball is positioned at neutral position, valve road; The logical suction port of the valve of power-assisted gas circuit is communicated with the air outlet of power-assisted gas circuit, is communicated with the air outlet of controlling gas circuit controlling the air pressure suction port, when steel ball be positioned at the valve road bottom the time; The logical suction port of valve of power-assisted gas circuit is connected with the air outlet of power-assisted gas circuit air outlet with the control gas circuit simultaneously; Control the air pressure suction port and break off with the air outlet of control gas circuit, the place's connection of control air pressure suction port is provided with control air pressure gas-entered passageway 4, and Master cylinder body 1 is provided with the forced exhaust hole 9 that is used for forced exhaust.
The embodiment of foregoing invention in use, when the car load cruising, steel ball is positioned at the lower end in valve road; Car load source of the gas air pressure is got into by control air pressure gas-entered passageway, because gas pressure makes steel ball move to the other end in valve road, this moment, steel ball broke off the logical suction port of valve of power-assisted gas circuit and the air outlet of power-assisted gas circuit; Control air pressure suction port is communicated with the air outlet of control gas circuit, and gas is entered in the control gas circuit by control air pressure suction port, is entered in the rear chamber of power-assisted cylinder body by the control gas circuit again; Boosting piston overcomes returning spring under the effect of gas pressure pulling force moves forward, and then drives master cylinder piston and move forward, and makes the control spool of control valve deviate from groove gradually; The outer circumferential face of master cylinder piston will be controlled spool and press downwards, and control valve is opened, and car load source of the gas air pressure is entered in the power-assisted gas circuit by power-assisted air pressure gas-entered passageway; Steel ball moves down under the effect of air pressure, moves to the neutral position in valve road, and the logical suction port of the valve of power-assisted gas circuit is communicated with the air outlet of power-assisted gas circuit; The air outlet of control air pressure suction port with the control gas circuit is communicated with, and then the power-assisted Pneumatic pipe cleaner crosses the rear chamber that the power-assisted gas circuit enters into the power-assisted cylinder body, control air pressure simultaneously through controlling the rear chamber that gas circuit enters into the power-assisted cylinder body; Enter into pulling force that gas in the rear chamber of power-assisted cylinder body overcomes returning spring and further promote boosting piston and move forward, and then promote clutch push rod 12 and stretch out, make clutch separation; After clutch work was accomplished, control air pressure gas-entered passageway and power-assisted air pressure gas-entered passageway be air feed no longer all, and control the air pressure gas-entered passageway and become exhaust by air inlet this moment; Gas in the rear chamber of power-assisted cylinder body is discharged; Air pressure in the rear chamber of power-assisted cylinder body descends, and when air pressure dropped to the pulling force less than returning spring, the servo-cylinder piston moved backward; Gas stream in the servo-cylinder piston rear chamber is through the power-assisted gas circuit at this moment; Discharged by control valve, this moment, clutch push rod was regained, and the control spool of control valve is embedded in the groove on the master cylinder piston again closes control valve; Steel ball is owing to the action of gravity of self, the lower end in the valve road that falls back again at this moment.
When mixed power partly breaks down, when vehicle can't the car load cruising, embodiments of the invention got into traditional mode; Steel ball 8 is positioned at the lower end in valve road, and the logical suction port of the valve of power-assisted gas circuit is connected with the air outlet of power-assisted gas circuit air outlet with the control gas circuit simultaneously, and control air pressure suction port breaks off with the air outlet of control gas circuit; Avoid gas to be flowed out by control air pressure suction port, control air pressure gas-entered passageway place does not have source of the gas, and the clutch oil that have pressure this moment enters into Master cylinder body; Clutch pressure promotes master cylinder piston and moves forward, and then make the control spool of control valve deviate from groove gradually during greater than the pulling force of returning spring; The outer circumferential face of master cylinder piston is pressed the control spool of control valve downwards, and control valve 5 is opened, and car load source of the gas air pressure is entered in the power-assisted gas circuit by power-assisted air pressure gas-entered passageway; Gas enters into the rear chamber of power-assisted cylinder body respectively through power-assisted gas circuit and control gas circuit; The pulling force that boosting piston further overcomes returning spring under the effect of gas pressure moves forward, and clutch push rod is stretched out, after clutch work is accomplished; Oil pressure in the Master cylinder body reduces; The servo-cylinder piston moves return backward under the pulling force of returning spring, make in the rear chamber of power-assisted cylinder body gas respectively through the power-assisted gas circuit with control gas circuit and flow in the control valve, discharge by control valve; Clutch push rod is regained, and the control spool of control valve is embedded in the groove on the master cylinder piston again closes.
During traditional mode work, will guarantee before the traditional mode work to get in the clutch oil in the Master cylinder body 1 does not have air, is vacuum in the Master cylinder body of entering, if air is arranged, will be discharged by exhaust port 9 before the work.
Clutch slave cylinder of the present invention mainly relies on the car load source of the gas, and can be used for clutch slave cylinder provides sufficient pressure unit, realizes fast automatic the stretching out and regain of clutch slave cylinder; When pure air pressure drive pattern lost efficacy, traditional liquid gas combination drive pattern was opened, and then automobile can not influence work because of deficiencies such as electrical source of power; The power source of pure air pressure drive pattern is an air pressure, so can produce not pollute vehicle body, has not only cleaned but also environmental protection.
The present invention has increased pure air pressure drive pattern on the basis of traditional air pressure and hydraulic pressure combination drive; Thereby realized two energy-conservation, quick conversions of drive pattern, realized the exchange of pattern, improved working efficiency; Energy consumption, cost and shared space have been practiced thrift; Make also simultaneously that the unnecessary air pressure of generation has carried out recovery, huge profit usefulness on the car load, the present invention is applicable on the multimodal vehicle, is widely used; The present invention has kept the clutch execution pattern on the traditional vehicle, and the engineering that helps the hybrid vehicle clutch slave cylinder is promoted.
In other embodiment, described changeover valve core can also be arranged to cylindrical body.
In other embodiment, can also open through automatically controlled control control valve, or wheel cylinder be provided with control that the air pressure suction port is communicated be used to control control valve control of turning valve air flue.
Claims (5)
1. hybrid vehicle clutch slave cylinder; Comprise that Master cylinder body reaches and the coaxial power-assisted cylinder body that is connected of Master cylinder body; Be provided with the servo-cylinder piston in the power-assisted cylinder body; Be provided with the master cylinder piston that links to each other with the servo-cylinder piston in the Master cylinder body, also be provided with power-assisted air pressure suction port on the wheel cylinder and be communicated in power-assisted air pressure suction port and said power-assisted cylinder body between power-assisted gas circuit, the control valve of control power-assisted air pressure suction port and power-assisted gas path on-off, it is characterized in that; Also be provided with control air pressure suction port on the wheel cylinder and be communicated in control gas circuit between control air pressure suction port and the said power-assisted cylinder body, be connected in the power-assisted gas circuit and control the selector valve between the gas circuit; Said selector valve comprises the straight-through up and down valve road that is communicated between power-assisted gas circuit and the control gas circuit, and the valve that the upper end in valve road is communicated in the power-assisted gas circuit that is communicated with the air outlet of control valve leads between the air outlet of suction port and power-assisted gas circuit, and the lower end in valve road is communicated between the air outlet of control air pressure suction port and control gas circuit; Be provided with changeover valve core in the valve road through air pressure control; When changeover valve core is positioned at the top, valve road, the logical suction port of valve of power-assisted gas circuit and the air outlet of power-assisted gas circuit are broken off, control air pressure suction port is communicated with the air outlet of control gas circuit; When changeover valve core is positioned at neutral position, valve road; The logical suction port of the valve of power-assisted gas circuit is communicated with the air outlet of power-assisted gas circuit, is communicated with the air outlet of controlling gas circuit controlling the air pressure suction port, when changeover valve core be positioned at the valve road bottom the time; The logical suction port of valve of power-assisted gas circuit is connected with the air outlet of power-assisted gas circuit air outlet with the control gas circuit simultaneously, and control air pressure suction port breaks off with the air outlet of control gas circuit.
2. hybrid vehicle clutch slave cylinder according to claim 1; It is characterized in that; Described control valve is arranged on the sidewall of Master cylinder body perpendicular to the axis of Master cylinder body; Control valve comprises the control spool, and the control spool extend in the endoporus of Master cylinder body, is provided for holding the control spool that stretches out on the outer circumferential face of master cylinder piston and makes control valve be in the groove of closed condition.
3. hybrid vehicle clutch slave cylinder according to claim 2 is characterized in that, the part of described power-assisted gas circuit between control valve and power-assisted cylinder body is Z-shaped.
4. hybrid vehicle clutch slave cylinder according to claim 1 is characterized in that, is communicated with in power-assisted air pressure suction port place on the described Master cylinder body to be provided with to be used for the power-assisted air pressure gas-entered passageway that is connected with source of the gas.
5. hybrid vehicle clutch slave cylinder according to claim 1 is characterized in that, is communicated with in control air pressure suction port place on the described Master cylinder body to be provided with to be used for the control air pressure gas-entered passageway that is connected with source of the gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210049620 CN102562852B (en) | 2012-02-29 | 2012-02-29 | Clutch slave cylinder for hybrid electric vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210049620 CN102562852B (en) | 2012-02-29 | 2012-02-29 | Clutch slave cylinder for hybrid electric vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102562852A true CN102562852A (en) | 2012-07-11 |
| CN102562852B CN102562852B (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210049620 Expired - Fee Related CN102562852B (en) | 2012-02-29 | 2012-02-29 | Clutch slave cylinder for hybrid electric vehicles |
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| Country | Link |
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| CN (1) | CN102562852B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085660A (en) * | 2013-02-05 | 2013-05-08 | 郑州宇通客车股份有限公司 | Clutch manipulating and controlling system for hybrid electric vehicle |
| CN103511500A (en) * | 2013-09-25 | 2014-01-15 | 郑州宇通客车股份有限公司 | Clutch slave cylinder for hybrid vehicle |
| CN104912961A (en) * | 2015-06-10 | 2015-09-16 | 温州市东启汽车零部件制造有限公司 | Clutch slave cylinder with flow control shutoff valve |
| CN109555795A (en) * | 2017-09-25 | 2019-04-02 | 郑州宇通客车股份有限公司 | Clutch servo-cylinder and on-off control mechanism |
| CN110273939A (en) * | 2019-06-30 | 2019-09-24 | 潍柴动力股份有限公司 | Pneumatic clutch and pneumatic clutch control system with it |
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| JP2005212527A (en) * | 2004-01-27 | 2005-08-11 | Nabtesco Corp | Booster |
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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 |
| CN201875018U (en) * | 2010-11-17 | 2011-06-22 | 中国第一汽车集团公司 | Clutch booster pump assembly |
| CN202545644U (en) * | 2012-02-29 | 2012-11-21 | 郑州宇通客车股份有限公司 | Clutch slave cylinder for hybrid electric vehicle |
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2012
- 2012-02-29 CN CN 201210049620 patent/CN102562852B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005212527A (en) * | 2004-01-27 | 2005-08-11 | Nabtesco Corp | Booster |
| CN200949613Y (en) * | 2006-08-31 | 2007-09-19 | 万安集团诸暨汽车零部件有限公司 | Booster assembly of automobile clutch |
| CN201100336Y (en) * | 2007-09-07 | 2008-08-13 | 万安集团诸暨汽车零部件有限公司 | Car clutch assistor |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085660A (en) * | 2013-02-05 | 2013-05-08 | 郑州宇通客车股份有限公司 | Clutch manipulating and controlling system for hybrid electric vehicle |
| CN103085660B (en) * | 2013-02-05 | 2015-08-12 | 郑州宇通客车股份有限公司 | A kind of Hybrid Vehicle clutch control control system |
| CN103511500A (en) * | 2013-09-25 | 2014-01-15 | 郑州宇通客车股份有限公司 | Clutch slave cylinder for hybrid vehicle |
| CN103511500B (en) * | 2013-09-25 | 2016-05-04 | 郑州宇通客车股份有限公司 | Clutch slave cylinder for hybrid electric vehicles |
| CN104912961A (en) * | 2015-06-10 | 2015-09-16 | 温州市东启汽车零部件制造有限公司 | Clutch slave cylinder with flow control shutoff valve |
| CN104912961B (en) * | 2015-06-10 | 2017-07-21 | 温州市东启汽车零部件制造有限公司 | Band flow controls shutoff valve clutch slave cylinder |
| CN109555795A (en) * | 2017-09-25 | 2019-04-02 | 郑州宇通客车股份有限公司 | Clutch servo-cylinder and on-off control mechanism |
| CN109555795B (en) * | 2017-09-25 | 2024-04-26 | 宇通客车股份有限公司 | Clutch booster cylinder and clutch operating mechanism |
| CN110273939A (en) * | 2019-06-30 | 2019-09-24 | 潍柴动力股份有限公司 | Pneumatic clutch and pneumatic clutch control system with it |
| CN110273939B (en) * | 2019-06-30 | 2021-03-16 | 潍柴动力股份有限公司 | Pneumatic clutch and pneumatic clutch control system with same |
Also Published As
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| CN102562852B (en) | 2013-07-31 |
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Granted publication date: 20130731 Termination date: 20190228 |