CN102562869B - Auxiliary engagement device for clutch - Google Patents
Auxiliary engagement device for clutch Download PDFInfo
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- CN102562869B CN102562869B CN201110432501.3A CN201110432501A CN102562869B CN 102562869 B CN102562869 B CN 102562869B CN 201110432501 A CN201110432501 A CN 201110432501A CN 102562869 B CN102562869 B CN 102562869B
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- clutch
- cylinder
- liquid storage
- engagement device
- pressure
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Abstract
The invention provides an auxiliary engagement device for a clutch and belongs to the technical field of automobiles. The problem that the clutch cannot be engaged quickly by trampling an accelerator pedal in the conventional automobile is solved. The auxiliary engagement device for the clutch is arranged in a clutch hydraulic control mechanism; the clutch hydraulic control mechanism comprises a liquid storage cylinder, a main cylinder which is communicated with the liquid storage cylinder, and a working cylinder connected with the clutch; the auxiliary engagement device for the clutch comprises a solenoid valve arranged between the main cylinder and the working cylinder, and a control circuit which can control the solenoid valve to be opened and closed when the accelerator pedal is trampled; and a one-way oil return pipeline in which oil can only flow from the working cylinder to the liquid storage cylinder is arranged between the working cylinder and the liquid storage cylinder. The auxiliary engagement device for the clutch is easy to control, the cultch can be engaged quickly by tramping the accelerator pedal, and the auxiliary engagement device is convenient to use.
Description
Technical field
The invention belongs to automobile technical field, relate to a kind of auxiliary engagement device for clutch.
Background technique
Along with advancing and the fast development of automotive industry of society, people's living standard constantly improves, and automobile has become one of important traffic tool of one that people ride instead of walk.In vehicle traveling process, driver can step on or release the clutch pedal as required, makes that motor and gearbox are temporary transient to be separated and engage gradually, to cut off or to transmit the power of motor to speed changer input.
What coordinate with manual transmission at present mostly is friction clutcch, relies on the rubbing action carry-over moment of spring compression between the driving disc of clutch and driven disc, thisly deposits mechanical manipulation driver's operant level is had relatively high expectations; In existing automobile, some adopts the motor of small displacement, when being easy in the time of vehicle start idling or accelerating because driver steps on the throttle and stop working in the time not being totally released clutch pedal in time, clutch under high rotating speed in the heavy wear of semi-linkage state; The clutch that current automatic transmission is mated is all controlled by ECU but cost is higher; There are some manual transmissions also to adopt hydraulic coupling simultaneously, hydraulic coupling transmission device adopts hydraulic transmission, the working principle of hydraulic coupling: in the time of let slip the clutch, by push rod, total pump piston is moved to the left, fluid pressurized in master cylinder and pipeline, pressure raises, under the effect of oil pressure, wheelcylinder piston is also pushed to and moves to left, and promotes cut-out pedal, and drives release bearing to make clutch separation; This hydraulic coupling has increased electronic control unit ECU and hydraulic executing system, pedal control clutch oil cylinder piston is changed into by switch gear control electric oil pump and removes controlled clutch oil cylinder piston, transmission control unit and control unit of engine integrate, according to sensor feedback information such as gas pedal, Transmission gear, speed changer input, output shaft rotating speed, engine speed, throttle openings, calculate engaging time and the speed of clutch the best.
Have in the market the device that helps clutch separation while being applied in gearshift, but assisted clutch bonding apparatus is still blank on market, can say that this patent has sizable prospect of the application.
Summary of the invention
The present invention is directed to existing technology and have the problems referred to above, proposed a kind of auxiliary engagement device for clutch, this auxiliary engagement device for clutch can make clutch engage completely in the time that driver steps on the throttle, and prevents from stopping working, and increases the service life.
The present invention realizes by following technical proposal: a kind of auxiliary engagement device for clutch, be arranged in clutch hydraulic pressure control mechanism, described clutch hydraulic pressure control mechanism comprise liquid storage cylinder, with liquid storage cylinder be communicated with master cylinder and the clutch release slave cylinder being connected with clutch, this auxiliary engagement device for clutch comprises the solenoid valve being arranged between master cylinder and clutch release slave cylinder and can in the time that gas pedal is stepped on, control the control circuit of closed electromagnetic valve, is provided with the unidirectional return line that can only flow to from clutch release slave cylinder liquid storage cylinder between described clutch release slave cylinder and liquid storage cylinder.
In the time of let slip the clutch, clutch is in separated state, then the pedal of stepping on the throttle, gas pedal is stressed, solenoid valve is switched on by control circuit, and solenoid valve electromagnetic force is more than or equal to pressure and solenoid valve self the spring pressure sum of master cylinder, closed electromagnetic valve, master cylinder and clutch release slave cylinder disconnect, now in clutch release slave cylinder in high pressure conditions, liquid storage cylinder is in low pressure, clutch release slave cylinder by unidirectional return line to liquid storage cylinder pressure release, clutch release slave cylinder oil pressure declines, and clutch resets and engages under the effect of self spring; So just ensure that driver makes clutch complete lattice while stepping on the throttle pedal, prevent from stopping working, extend life of clutch; Driver can lean against left foot on clutch is for a long time convenient to gearshift and brake, makes to handle lighter safer.
In above-mentioned auxiliary engagement device for clutch, between described solenoid valve and master cylinder, be provided with pressure-limit valve, the pressure relief opening of described pressure-limit valve is communicated with liquid storage cylinder.The object arranging is like this to make, in the time that clutch and gas pedal are stepped on simultaneously, to prevent that between solenoid valve and master cylinder, this section of loine pressure is too high, pressure-limit valve is set and can makes the oil pressure of this section of pipeline between solenoid valve and master cylinder be back to liquid storage cylinder by pressure-limit valve.
In above-mentioned auxiliary engagement device for clutch, described control circuit comprises automobile ECU and the position transducer being connected with automobile ECU, and above-mentioned solenoid valve is connected with automobile ECU.Position transducer, for responding to the position that gas pedal is stepped on, is to send signal to automobile ECU sensing that gas pedal is stepped on, and ECU obtains sending control signal control closed electromagnetic valve or opening after signal.
In above-mentioned auxiliary engagement device for clutch, the pressure that when described pressure-limit valve pressure maximum separates completely for clutch, clutch release slave cylinder bears.
In above-mentioned auxiliary engagement device for clutch, described return line comprises one-way valve, and the input end of one-way valve is connected with above-mentioned clutch release slave cylinder, and the output terminal of one-way valve is connected with above-mentioned liquid storage cylinder.Clutch release slave cylinder is interior in high pressure conditions, liquid storage cylinder is in low pressure, clutch release slave cylinder by one-way valve to liquid storage cylinder pressure release, clutch release slave cylinder oil pressure declines, clutch resets and engages under the effect of self spring, and at clutch release slave cylinder, by one-way valve during to liquid storage cylinder pressure release, fluid flows and has certain inertia, the input end of one-way valve is connected the output terminal that oil pressure in oil circuit is slightly larger than one-way valve and is connected the oil pressure in oil circuit with liquid storage cylinder with clutch release slave cylinder, make the clutch joint that resets rapidly.
In above-mentioned auxiliary engagement device for clutch, between described solenoid valve and master cylinder, be tightly connected.
In above-mentioned auxiliary engagement device for clutch, between described solenoid valve and master cylinder, adopt metal tube to be connected.The object arranging is like this to make pipeline compressive resistance ability better.
Compared with prior art, title of the present invention has the following advantages: this auxiliary engagement device for clutch is at the solenoid valve between master cylinder and clutch release slave cylinder and the control circuit that can control closed electromagnetic valve in the time that gas pedal is stepped on, between described clutch release slave cylinder and liquid storage cylinder, be provided with the unidirectional return line that can only flow to from clutch release slave cylinder liquid storage cylinder, in the time that gas pedal is stepped on, closed electromagnetic valve, master cylinder and clutch release slave cylinder are disconnected, clutch release slave cylinder by unidirectional return line to liquid storage cylinder pressure release, clutch release slave cylinder oil pressure declines, clutch resets and engages under the effect of self spring, so just ensure that driver makes clutch complete lattice while stepping on the throttle pedal, prevent from stopping working, extend life of clutch, driver can lean against left foot on clutch to be for a long time convenient to shift gears and brake, make to handle lighter safer, this auxiliary engagement device for clutch control mode is fairly simple, and cost is lower, can meet the especially requirement of the numerous drivers for new hand to clutch assisted control.
Brief description of the drawings
Fig. 1 is the structural representation of this auxiliary engagement device for clutch.
In figure, 1, liquid storage cylinder; 2, master cylinder; 3, clutch release slave cylinder; 4, solenoid valve; 5, gas pedal; 6, unidirectional return line; 7, pressure-limit valve; 8, one-way valve; 9, metal tube; 10, position transducer; 11, clutch pedal.
Embodiment
Be below specific embodiments of the invention, and by reference to the accompanying drawings technological scheme of the present invention be further described, but the present invention is not limited to these embodiments.
As shown in Figure 1, this auxiliary engagement device for clutch is arranged in clutch hydraulic pressure control mechanism, clutch hydraulic pressure control mechanism mainly by liquid storage cylinder 1, the master cylinder 2 being communicated with liquid storage cylinder 1 and the clutch release slave cylinder 3 being connected with clutch form.This auxiliary engagement device for clutch is mainly between the master cylinder 2 and clutch release slave cylinder 3 of clutch hydraulic pressure control mechanism, the control circuit that this auxiliary engagement device for clutch is is mainly opened or closed by solenoid valve 4 and control solenoid valve 4 forms, the concrete structure of this control circuit comprises automobile ECU and the position transducer 10 being connected with automobile ECU, solenoid valve 4 is connected with automobile ECU, the position that position transducer 10 is stepped on for responding to gas pedal 5, to send signal to automobile ECU sensing that gas pedal 5 is stepped on, ECU obtains sending control signal control closed electromagnetic valve or opening after signal, while stepping on for clutch pedal 11 and gas pedal 5 simultaneously, prevent that between solenoid valve 4 and master cylinder 2, this section of loine pressure is too high, this segment management fluid is back in liquid storage cylinder 1 by pressure-limit valve 7, between solenoid valve 4 and master cylinder 2, be provided with pressure-limit valve 7, the pressure relief opening of pressure-limit valve 7 is communicated with liquid storage cylinder 1, for the pipeline compressive resistance ability between solenoid valve 4 and master cylinder 2 better, between solenoid valve 4 and master cylinder 2, adopt metal tube 9 to be connected, the two ends of metal tube 9 are tightly connected respectively and between solenoid valve 4 and master cylinder 2, between clutch release slave cylinder 3 and liquid storage cylinder 1, be provided with the unidirectional return line 6 that can only flow to from clutch release slave cylinder 3 liquid storage cylinder 1, on unidirectional return line 6, be provided with one-way valve 8, the input end of one-way valve 8 is connected with clutch release slave cylinder 3, the output terminal of one-way valve 8 is connected with liquid storage cylinder 1.
In the time of let slip the clutch 11, clutch is in separated state, the pedal 5 of stepping on the throttle again, gas pedal 5 is stressed, solenoid valve 4 is switched on by control circuit, solenoid valve 4 electromagnetic forces are more than or equal to the pressure of master cylinder 2 and solenoid valve 4 self spring pressure sum, solenoid valve 4 cuts out, master cylinder 2 disconnects with clutch release slave cylinder 3, now in clutch release slave cylinder 3 in high pressure conditions, liquid storage cylinder 1 is in low pressure, clutch release slave cylinder 3 by unidirectional return line 6 to liquid storage cylinder 1 pressure release, clutch release slave cylinder 3 oil pressure decline, and clutch resets and engages under the effect of self spring; In the time there is no let slip the clutch 11, the pedal 5 of stepping on the throttle, clutch release slave cylinder 3 low pressure, now do not affect clutch and engage; Let slip the clutch 11, clutch release slave cylinder 3 pressure energies recover rapidly, clutch separation.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (3)
1. an auxiliary engagement device for clutch, be arranged in clutch hydraulic pressure control mechanism, described clutch hydraulic pressure control mechanism comprises liquid storage cylinder (1), the master cylinder (2) being communicated with liquid storage cylinder (1) and the clutch release slave cylinder (3) being connected with clutch, it is characterized in that, this auxiliary engagement device for clutch comprises the solenoid valve (4) being arranged between master cylinder (2) and clutch release slave cylinder (3) and can in the time that gas pedal (5) are stepped on, control the control circuit that solenoid valve (4) cuts out, between described clutch release slave cylinder (3) and liquid storage cylinder (1), be provided with the unidirectional return line (6) that can only flow to from clutch release slave cylinder (3) liquid storage cylinder (1), described unidirectional return line (6) comprises one-way valve (8), and the input end of one-way valve (8) is connected with above-mentioned clutch release slave cylinder (3), and the output terminal of one-way valve (8) is connected with above-mentioned liquid storage cylinder (1), between described solenoid valve (4) and master cylinder (2), adopt metal tube (9) to be connected, between solenoid valve (4) and master cylinder (2), be provided with pressure-limit valve (7), the pressure relief opening of described pressure-limit valve (7) is communicated with liquid storage cylinder (1), the pressure that when described pressure-limit valve (7) pressure maximum separates completely for clutch, clutch release slave cylinder (3) bears.
2. auxiliary engagement device for clutch according to claim 1, is characterized in that, described control circuit comprises automobile ECU and the position transducer (10) being connected with automobile ECU, and above-mentioned solenoid valve (4) is connected with automobile ECU.
3. auxiliary engagement device for clutch according to claim 1 and 2, is characterized in that, between described solenoid valve (4) and master cylinder (2), is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110432501.3A CN102562869B (en) | 2011-12-21 | 2011-12-21 | Auxiliary engagement device for clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110432501.3A CN102562869B (en) | 2011-12-21 | 2011-12-21 | Auxiliary engagement device for clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102562869A CN102562869A (en) | 2012-07-11 |
| CN102562869B true CN102562869B (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110432501.3A Active CN102562869B (en) | 2011-12-21 | 2011-12-21 | Auxiliary engagement device for clutch |
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| Country | Link |
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| CN (1) | CN102562869B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953417A (en) * | 2017-05-25 | 2018-12-07 | 丰田自动车株式会社 | Device is connected and disconnected from for clutch |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821843B (en) * | 2014-03-10 | 2017-12-19 | 浙江吉利汽车研究院有限公司 | Hydraulic clutch control device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3827724A1 (en) * | 1987-08-22 | 1989-03-02 | Zahnradfabrik Friedrichshafen | Power-assisted clutch and gearshift device |
| CN101737438A (en) * | 2008-11-12 | 2010-06-16 | 比亚迪股份有限公司 | Automobile clutch hydraulic control system and control method thereof |
| CN102261396A (en) * | 2011-04-28 | 2011-11-30 | 天津市松正电动汽车技术股份有限公司 | Electrically controlled and hydraulically operated clutch control system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5861337A (en) * | 1981-10-08 | 1983-04-12 | Kumato Kanda | Automatic control device of clutch |
-
2011
- 2011-12-21 CN CN201110432501.3A patent/CN102562869B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3827724A1 (en) * | 1987-08-22 | 1989-03-02 | Zahnradfabrik Friedrichshafen | Power-assisted clutch and gearshift device |
| CN101737438A (en) * | 2008-11-12 | 2010-06-16 | 比亚迪股份有限公司 | Automobile clutch hydraulic control system and control method thereof |
| CN102261396A (en) * | 2011-04-28 | 2011-11-30 | 天津市松正电动汽车技术股份有限公司 | Electrically controlled and hydraulically operated clutch control system |
Non-Patent Citations (1)
| Title |
|---|
| JP昭58-61337A 1983.04.12 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953417A (en) * | 2017-05-25 | 2018-12-07 | 丰田自动车株式会社 | Device is connected and disconnected from for clutch |
| CN108953417B (en) * | 2017-05-25 | 2020-03-10 | 丰田自动车株式会社 | Connecting and disconnecting device for clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102562869A (en) | 2012-07-11 |
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