CN102562852B - Clutch slave cylinder for hybrid electric vehicles - Google Patents
Clutch slave cylinder for hybrid electric vehicles Download PDFInfo
- Publication number
- CN102562852B CN102562852B CN 201210049620 CN201210049620A CN102562852B CN 102562852 B CN102562852 B CN 102562852B CN 201210049620 CN201210049620 CN 201210049620 CN 201210049620 A CN201210049620 A CN 201210049620A CN 102562852 B CN102562852 B CN 102562852B
- Authority
- CN
- China
- Prior art keywords
- control
- power
- assisted
- air pressure
- gas circuit
- 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
Links
Images
Landscapes
- 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 hybrid vehicle is used.
Background technique
The structure such as the Chinese patent notification number of traditional clutch slave cylinder of the prior art are CN200949613Y; the day for announcing is on September 19th, 2007; 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 be provided with 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 controlling 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 hybrid vehicle 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 operation under the air pressure drive pattern; because 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; the maintenance of can only stopping when the working condition of vehicle breaks down; will cause huge manpower; the waste of 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 mutually.
For achieving the above object, 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 described power-assisted cylinder body between the 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 the control gas circuit of controlling between air pressure suction port and the described power-assisted cylinder body, be connected in the selector valve between power-assisted gas circuit and the control gas circuit, described selector valve comprises the straight-through up and down valve road that is communicated between power-assisted gas circuit and the control gas circuit, 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, 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 by 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 disconnected, 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 valve of power-assisted gas circuit is communicated with the air outlet of power-assisted gas circuit, control air pressure suction port is communicated with the air outlet of control gas circuit, 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 and control gas circuit simultaneously, and control air pressure suction port disconnects 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, on the basis of traditional air pressure and hydraulic pressure combination drive, increased pure air pressure drive pattern, 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, as 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, be 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, be provided with the master cylinder piston 2 that links to each other with servo-cylinder piston 16 in the Master cylinder body 1, 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, power-assisted gas circuit 6 is Z-shaped, 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, being provided for holding the control spool that stretches out on the outer circumferential face of master cylinder piston 2 makes control valve be in the groove of closed condition, also be provided with control air pressure suction port on the wheel cylinder and be communicated in the control gas circuit of controlling between air pressure suction port and the power-assisted cylinder body 15 10, be connected in the selector valve between power-assisted gas circuit 6 and the control 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, the lower end in valve road 7 is communicated between the air outlet of control air pressure suction port and control gas circuit, be provided with changeover valve core 8 in the valve road 7 by air pressure control, 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 disconnected, 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 valve of power-assisted gas circuit is communicated with the air outlet of power-assisted gas circuit, control air pressure suction port is communicated with the air outlet of control gas circuit, 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 and control gas circuit simultaneously, control air pressure suction port disconnects 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 entered 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 disconnected 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, gas is entered in the control gas circuit by control air pressure suction port, enter 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 the drive master cylinder piston moves forward, make 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, control valve is opened, 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, move to the neutral position in valve road, the logical suction port of valve of power-assisted gas circuit is communicated with the air outlet of power-assisted gas circuit, control air pressure suction port is communicated with the air outlet of control gas circuit, and then the power-assisted Pneumatic pipe cleaner is crossed the rear chamber that the power-assisted gas circuit enters into the power-assisted cylinder body, control air pressure enters into the rear chamber of power-assisted cylinder body simultaneously by the control gas circuit, entering into pulling force that gas in the rear chamber of power-assisted cylinder body overcomes returning spring further promotes boosting piston and moves forward, and then promotion clutch push rod 12 stretches out, make clutch separation, after clutch work is finished, control air pressure gas-entered passageway and power-assisted air pressure gas-entered passageway be air feed no longer all, 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, when air pressure drops to pulling force less than returning spring, the servo-cylinder piston moves backward, gas stream in the servo-cylinder piston rear chamber is through the power-assisted gas circuit at this moment, discharge by control valve, this moment, clutch push rod was regained, 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 enter traditional mode, steel ball 8 is positioned at the lower end in valve road, the logical suction port of valve of power-assisted gas circuit is connected with the air outlet of power-assisted gas circuit air outlet and control gas circuit simultaneously, control air pressure suction port disconnects with the air outlet of control gas circuit, avoid gas to flow out by control air pressure suction port, control air pressure gas-entered passageway place does not have source of the gas, the clutch oil that have pressure this moment enters into Master cylinder body, clutch pressure is during greater than the pulling force of returning spring, the promotion master cylinder piston moves forward, and then make the control spool of control valve deviate from groove gradually, the outer circumferential face of master cylinder piston is pressed the control spool of control valve downwards, control valve 5 is opened, 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 by 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, clutch push rod is stretched out, after clutch work is finished, oil pressure in the Master cylinder body reduces, the servo-cylinder piston is mobile backward return under the pulling force of returning spring, gas in the rear chamber of power-assisted cylinder body is flow in the control valve by power-assisted gas circuit and control gas circuit respectively, 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 enter in the clutch oil in the Master cylinder body 1 does not have air, is vacuum in the Master cylinder body that enters, 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 two energy-conservation, quick conversions of drive pattern have been realized, realized the exchange of pattern, improved working efficiency, energy consumption, cost and shared space have been saved, make also simultaneously that the unnecessary air pressure of generations has carried out recovery, huge profit usefulness on the car load, the present invention is applicable on the multimodal vehicle, be 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 embodiments, described changeover valve core can also be arranged to cylindrical body.
In other embodiments, can also open by 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 described power-assisted cylinder body between the 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 the control gas circuit of controlling between air pressure suction port and the described power-assisted cylinder body, be connected in the selector valve between power-assisted gas circuit and the control gas circuit, described selector valve comprises the straight-through up and down valve road that is communicated between power-assisted gas circuit and the control gas circuit, 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, 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 by 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 disconnected, 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 valve of power-assisted gas circuit is communicated with the air outlet of power-assisted gas circuit, control air pressure suction port is communicated with the air outlet of control gas circuit, 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 and control gas circuit simultaneously, and control air pressure suction port disconnects 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, 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 CN102562852A (en) | 2012-07-11 |
| CN102562852B true CN102562852B (en) | 2013-07-31 |
Family
ID=46409122
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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102562852B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4417125B2 (en) * | 2004-01-27 | 2010-02-17 | ナブテスコ株式会社 | 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 |
| CN101713439B (en) * | 2009-12-29 | 2012-05-02 | 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 |
-
2012
- 2012-02-29 CN CN 201210049620 patent/CN102562852B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102562852A (en) | 2012-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102562852B (en) | Clutch slave cylinder for hybrid electric vehicles | |
| CN201745568U (en) | Heavy mineral dump truck brake control system | |
| CN112693440A (en) | Integrated electro-hydraulic brake system automatic exhaust device and exhaust method | |
| CN105346537A (en) | United start-up, extinguishment and manual brake control system for vehicle | |
| CN203582302U (en) | Control valve bank, hydraulic control system and truck crane | |
| CN201753040U (en) | Packing case lifting safety control device | |
| CN201507638U (en) | Manipulation device of hybrid gear box parking locking mechanism | |
| CN109027215B (en) | Automatic gear shifting system capable of reducing vehicle braking frequency and working method thereof | |
| CN202545644U (en) | Clutch slave cylinder for hybrid electric vehicle | |
| CN108119576A (en) | A kind of gas servo-clutch booster and its method of work | |
| CN203477448U (en) | Three-position four-way valve and brake system with same | |
| CN203157973U (en) | Air braking system and passenger car using same | |
| CN201650928U (en) | Hydraulic system | |
| CN103291958B (en) | Three-position four-way valve and there is the braking system of this three-position four-way valve | |
| CN207607349U (en) | A kind of automatic clutch actuator | |
| CN205113333U (en) | Vehicle starts, flame -out, manual brake joint control system | |
| CN214164966U (en) | Automatic exhaust device applied to integrated electro-hydraulic brake system | |
| CN201625652U (en) | Windshield washing liquid filling machine | |
| CN202202309U (en) | Manual/electric dual-purpose integrated hydraulic hoist | |
| CN201825022U (en) | Unilateral brake controlling device of wheeled tractor | |
| CN205715034U (en) | Bulky refuse station push pedal impact-reducing hydraulic system | |
| CN103935350A (en) | Gas-liquid composite braking structure and mining mechanical vehicle | |
| CN203157724U (en) | Clutch steering control system for hybrid power automobile | |
| CN204186665U (en) | A kind of piston actuator and automatic diverter valve thereof | |
| CN103085660B (en) | A kind of Hybrid Vehicle clutch control control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20130731 Termination date: 20190228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |