CN201487090U - Multifunctional clutch booster free of adjusting - Google Patents
Multifunctional clutch booster free of adjusting Download PDFInfo
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- CN201487090U CN201487090U CN2009201484389U CN200920148438U CN201487090U CN 201487090 U CN201487090 U CN 201487090U CN 2009201484389 U CN2009201484389 U CN 2009201484389U CN 200920148438 U CN200920148438 U CN 200920148438U CN 201487090 U CN201487090 U CN 201487090U
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Disclosed is a multifunctional clutch booster free of adjusting. The booster is additionally provided with a set of electric control operating mechanism via a parallel connection form on the basis of a hydraulic operating mechanism and aims to realize variety of vehicles during a gear shifting process. The booster further comprises a boosting piston (2), a hydraulic piston (4) and a limiting rod (16), the boosting piston (2) and the hydraulic piston (4) are split type structures, the boosting piston (2) is fixedly connected with the limiting rod (16), and the limiting rod (16) is placed into an inner cavity of the hydraulic piston (4). When the multifunctional clutch booster is controlled via the electric control operating mechanism, the boosting piston (2) drives the limiting rod (16) and the hydraulic piston (4) to move within a certain range, but the hydraulic piston (4) is fixed, thereby protecting a clutch hydraulic system to the utmost extent. The booster utilizes an angle displacement sensor to effectively judge whether a clutch is in a separation state or a connection state. The booster further comprises a clutch friction sheet wear alarming device (32).
Description
Technical field
The utility model relates to a kind of clutch booster, and is particularly related to a kind of pneumatic type clutch booster that can handle by dual mode.
Background technique
Friction clutcch is widely used in the transmission system of various vehicles.Development so far, the manipulation form of friction clutcch becomes more diverse, to mainly contain with the motor be the electronic electric-controlled type of power source, be the electrically controlled and hydraulically formula of power with hydraulic pressure, be the forms such as hydraulic control pneumatic type of power with air pressure.Wherein, advantages such as pneumatic type is low, simple in structure with its cost, environmental protection are more and more used, particularly itself have source of the gas (gas braking) in, having a extensive future on heavy-duty commercial vehicle and the large-scale passenger car.
Traditional with the pneumatic type clutch of air pressure as drive power source clutch separation and joint in, all adopt hydraulic system to control, promptly aforementioned hydraulic control pneumatic type clutch.Often use at needs under the occasion of clutch, the hydraulic system frequent starting causes hydraulic system fault easily and makes reduce working life, if in the driving process clutch hydraulic pressure operating mechanism to break down suddenly to be very dangerous.To the clutch booster failure analysis of bearing, find that wherein clutch hydraulic pressure operating mechanism failure rate is the highest by for many years, Given this, be necessary to design parallel dual clutch operation, to guarantee Security and reliability Clutch Control.
The friction plate of friction clutcch must be changed after may wear to a certain degree along with using constantly wearing and tearing, otherwise because friction plate frictional force deficiency will cause clutch to lose efficacy, can not transferring power or being short of power of transmission.There is multiple wear warning of friction plate structure in the prior art, after acquiring a certain degree, give the alarm at friction disc wear, these warning structures are normally inserted sensor or buzzer in friction plate, along with these sensors of wearing and tearing or the buzzer of friction plate exposes from the friction plate material convexity, thereby give the alarm, for example the patent No. is to disclose kindred organization in 02263447.9 the Chinese utility model patent.Yet, some sensor of available technology adopting costs an arm and a leg, make manufacture cost increase, in addition sensor or buzzer are inserted in the friction plate, need when the processing friction plate, be that sensor or buzzer are reserved the mounting point, perhaps on the good friction plate of manufacturing, carry out secondary operations, increased the manufacture difficulty and the operation of friction plate.
Summary of the invention
A purpose of the present utility model is to provide a kind of improved pneumatic type clutch booster system, this system has increased by one group of electric control operating mechanism on the basis of hydraulic control mechanism, be intended to realize the diversity of vehicle in gearshift procedure, can realize the clutch operation of clutch on the one hand by the mode of traditional clutch operation control (clutch hydraulic pressure operating mechanism), can realize the clutch operation on the other hand by the mode of electrically controlled manipulation, reduce the frequency of okperation of clutch hydraulic pressure operating mechanism, improve the quality and the life-span of clutch booster.
Another purpose of the present utility model is to provide a kind of clutch friction pad wear warning device, this device can be monitored the abrasion condition of clutch friction plate, and when reaching predetermined value, sends clutch abrasion alarm signal, the prompting changing friction plate, this device can also effectively be judged clutch separation and jointing state simultaneously.
Pneumatic type clutch booster described in the utility model, comprise: gas supply unit, described gas supply unit have a plurality of atmospheric pressure cavities and be arranged between each atmospheric pressure cavity connection between the control atmospheric pressure cavity or atmospheric pressure cavity and atmosphere between the valve or the inlet and outlet door that are communicated with; Electric control operating mechanism, described electric control operating mechanism has solenoid valve, and this solenoid valve is positioned on the gas flow paths of gas supply unit, controls by the switching electricity to solenoid valve, thereby the flow path of control gaseous is realized clutch and the operation that separates; Hydraulic control mechanism, described hydraulic control mechanism is controlled the switching of described valve in the gas supply unit and/or inlet and outlet door by pressure fluid, thus the flow path of control gaseous is realized clutch and the operation that separates; Wherein, described electric control operating mechanism and described hydraulic control mechanism are arranged in parallel, and described pneumatic type clutch booster also comprises boosting piston, hydraulic piston and position-limited lever, boosting piston and hydraulic piston are split-type structural, boosting piston is fixedlyed connected with position-limited lever, position-limited lever places the inner chamber of hydraulic piston, and when using electric control operating mechanism control, boosting piston drives that position-limited lever moves in the certain limit of hydraulic piston and hydraulic piston is motionless.
Described solenoid valve comprises first iron core and second iron core, first iron core can move up and down the 3rd intake valve and the 3rd exhaust valve that lay respectively at the first iron core two ends are opened or closed, and second iron core can move up and down second intake valve and second exhaust valve that lay respectively at the second iron core two ends are opened or closed.
The first iron core return spring is positioned at an end of first iron core, try hard to make the 3rd intake valve to open and the 3rd exhaust valve closing, electromagnetic coil is centered around first iron core outside, when electric current feeds described electromagnetic coil, the effect that first iron core is subjected to electromagnetic force overcomes the active force of the first iron core return spring, and the 3rd IC Intake Valve Closes and the 3rd exhaust valve are opened.
The second iron core return spring is positioned at an end of second iron core, try hard to make second IC Intake Valve Closes and second exhaust valve to open, electromagnetic coil is centered around second iron core outside, when electric current feeds described electromagnetic coil, the effect that second iron core is subjected to electromagnetic force overcomes the active force of the second iron core return spring, and second intake valve is opened and second exhaust valve closing.
Described gas supply unit comprises suction port, second atmospheric pressure cavity, the 4th atmospheric pressure cavity, the 6th atmospheric pressure cavity and suction valve, second atmospheric pressure cavity directly is communicated with suction port, the 6th atmospheric pressure cavity is connected by suction valve with second atmospheric pressure cavity, and the 6th atmospheric pressure cavity is communicated with the 4th atmospheric pressure cavity by pneumatic piston control or seals.
Described gas supply unit comprises the 3rd atmospheric pressure cavity, the 7th atmospheric pressure cavity and outlet valve, and suction port is connected with the 3rd atmospheric pressure cavity by second intake valve, and suction port is connected with the 7th atmospheric pressure cavity by the 3rd intake valve, and outlet valve connects the 6th atmospheric pressure cavity and atmosphere.
High-pressure gas pressure, the high-pressure gas pressure in the 7th atmospheric pressure cavity and inlet valve spring acting in conjunction in second atmospheric pressure cavity are controlled the opening and closing of suction valve on suction valve.
High-pressure gas pressure in high-pressure gas pressure in the 3rd atmospheric pressure cavity, the 6th atmospheric pressure cavity and exhaust valve spring acting in conjunction are controlled the opening and closing of outlet valve on outlet valve.
Described hydraulic control mechanism comprises filler opening, hydraulic pressure cavity, control piston and control piston return spring, and filler opening is communicated with the hydraulic pressure cavity fluid, and control piston is positioned at hydraulic pressure cavity, and the pressure fluid in the hydraulic pressure cavity acts on control piston and moves it.
Described gas supply unit also comprises first atmospheric pressure cavity, the 5th atmospheric pressure cavity, first valve and pneumatic piston, suction port directly is communicated with first atmospheric pressure cavity, first atmospheric pressure cavity is connected by first valve with the 5th atmospheric pressure cavity, thereby the pressurized gas in the 5th atmospheric pressure cavity can promote pneumatic piston and move with the 4th atmospheric pressure cavity and be communicated with, the joint that the pressurized gas in the 4th atmospheric pressure cavity act on the boosting piston solenoidoperated cluthes with separate.Thereby the pressurized gas in described the 6th atmospheric pressure cavity can promote pneumatic piston and move with the 4th atmospheric pressure cavity and be communicated with.
Described gas supply unit comprises first exhaust valve, and this first exhaust valve connects the 5th atmospheric pressure cavity and atmosphere.
The high-pressure gas pressure in the pressure of control piston, first atmospheric pressure cavity and the first return spring acting in conjunction are controlled the opening and closing of first valve on first valve.
The boosting piston ante-chamber is communicated with relief opening by a passage.
Described pneumatic type clutch booster also comprises push rod, and push rod places between boosting piston and the clutch disengaging lever.
Described pneumatic type clutch booster also comprises the boosting piston return spring.
Described pneumatic type clutch booster also comprises pull bar, rotating shaft and angular displacement sensor, one end of pull bar connects with boosting piston mobile with boosting piston, rotating shaft places angular displacement sensor, pull bar move back and forth the rotation that is converted to rotating shaft through switching mechanism, angular displacement sensor is according to the different voltage signal of rotation output of rotating shaft.
Described angular displacement sensor is connected with ECU, and angular displacement sensor passes to ECU with the variation of described voltage signal, and ECU comes control electromagnetic valve according to the systematic parameter of automobile and the variation of voltage signal.
The switching mechanism that described to-and-fro motion with pull bar is converted to the rotation of rotating shaft also comprises strong magnet, the other end of pull bar drives strong magnet and rotates around the rotating center strong point, rotating shaft is fixedlyed connected with strong magnet, when strong magnet rotated around the rotating center strong point, rotating shaft was also rotated around the rotating center strong point.
Described pneumatic type clutch booster also comprises clutch friction pad wear warning device, this clutch friction pad wear warning device comprises push rod, after clutch friction plate may wear to specified value, pull bar contacted with push rod, and warning device sends the signal that clutch friction plate need be changed.
Description of drawings
Preferred implementation of the present utility model is shown in the drawings, wherein:
Fig. 1 is the sectional view that the utlity model has the pneumatic type clutch booster of hydraulic control mechanism and electric control operating mechanism;
Figure 1A encloses the zoomed-in view of part for circle among Fig. 1;
Figure 1B is the drawing in side sectional elevation that intercepts along the R-R line among Fig. 1;
Fig. 2 is that the to-and-fro motion with the pull bar in the pneumatic type clutch booster shown in Figure 1 is converted to the schematic representation that rotatablely moves.
Embodiment
Below in conjunction with accompanying drawing the utility model is done detailed description.The word in the description orientation that is adopted herein " on ", D score, " left side ", " right side " etc. all be for the convenience that illustrates based on the orientation shown in the drawing in the accompanying drawing, these orientation may be because the disposing way that installs have difference in actual device." clutch disengage process " refers to the process of clutch from the jointing state to the separated state herein, " clutch's jointing process " refers to the process of clutch from the separated state to the jointing state, " clutch non-operating state " is meant that clutch booster does not move, and clutch keeps the state that engages always.
Structure is described:
As shown in fig. 1, the suction port input of high pressure air in the pneumatic type clutch booster from being connected with source of the gas, complicated gas path is communicated with suction port and the 4th atmospheric pressure cavity D, described complicated gas path is provided with a plurality of valves, hydraulic control device and electric controller are controlled the switching of these valves respectively, thereby the flow path of control pressurized gas, when pressurized gas arrive the 4th atmospheric pressure cavity D, pressurized gas among the 4th atmospheric pressure cavity D promote clutch power-assisted piston 2 and then drive push rod 1 to be moved to the left, push rod 1 is connected with clutch disengaging lever, thereby realizes the separation of clutch.If high pressure air is subjected to the obstruct of the valve on the gas path and does not arrive the 4th atmospheric pressure cavity D, then clutch disengaging lever is not subjected to thrust, and clutch is in non-operating state.
Suction port directly is communicated with the first atmospheric pressure cavity A, the first atmospheric pressure cavity A is connected with the 5th atmospheric pressure cavity E by first valve 12, pressurized gas acting in conjunction in first return spring 11 and the first atmospheric pressure cavity A tries hard to make first valve 12 to keep closed condition on first valve 12.When the external force from clutch booster is opened first valve 12, pressurized gas enter among the 5th atmospheric pressure cavity E by first valve 12, pressurized gas among the 5th atmospheric pressure cavity E can promote pneumatic piston 6 and be moved to the left, open the passage b between the 5th atmospheric pressure cavity E and the 4th atmospheric pressure cavity D, pressurized gas enter the 4th atmospheric pressure cavity D.The relief opening 3.2 and 3.3 that is communicated with atmosphere is arranged in the clutch booster described in the utility model, be used for the pressurized gas of discharge system.The 5th atmospheric pressure cavity E is communicated with relief opening 3.2 by first exhaust valve 13, and when first exhaust valve 13 was opened, the pressurized gas among the 5th atmospheric pressure cavity E entered the atmosphere from relief opening 3.2.
Suction port also directly is communicated with the second atmospheric pressure cavity B, the second atmospheric pressure cavity B is communicated with the 6th atmospheric pressure cavity F by the suction valve that is formed by air inlet diaphragm 21, pressurized gas when suction valve 21 is opened among the second atmospheric pressure cavity B enter the 6th atmospheric pressure cavity F through intake valve 22, and then enter the 4th atmospheric pressure cavity D through passage e.The switching of intake valve 22 is by suction valve 21 controls.Pneumatic piston 6 is between the 5th atmospheric pressure cavity E and the 6th atmospheric pressure cavity F and with these two atmospheric pressure cavities to be separated, and pneumatic piston 6 is moved to the left, and the 5th atmospheric pressure cavity E is communicated with the 4th atmospheric pressure cavity D, and makes sealing mutually between the 6th atmospheric pressure cavity F and the 4th atmospheric pressure cavity D; Pneumatic piston 6 moves right, and the 6th atmospheric pressure cavity F is communicated with the 4th atmospheric pressure cavity D, and makes sealing mutually between the 5th atmospheric pressure cavity E and the 4th atmospheric pressure cavity D.The 6th atmospheric pressure cavity F is communicated with relief opening 3.3 by outlet valve and the passage d that is formed by exhaust diaphragm 19, and when outlet valve 19 was opened, the pressurized gas among the 6th atmospheric pressure cavity F entered in the atmosphere by exhaust valve 20.The switching of exhaust valve 20 is by outlet valve 19 controls.
The pressurized gas of suction port input are communicated with the 3rd atmospheric pressure cavity C by second intake valve 28, pressurized gas acting in conjunction in exhaust valve spring 18 and the 3rd atmospheric pressure cavity C tries hard to make outlet valve 19 to close on outlet valve 19, and the high pressure air in the 6th atmospheric pressure cavity F acts on and tries hard to make outlet valve 19 to open on the outlet valve 19.The 3rd atmospheric pressure cavity C is communicated with relief opening 3.3 by second exhaust valve 31, and when second exhaust valve 31 was opened, the pressurized gas among the 3rd atmospheric pressure cavity C entered in the atmosphere by second exhaust valve 31.
The pressurized gas of suction port input are communicated with the 7th atmospheric pressure cavity G by the 3rd intake valve 25, pressurized gas acting in conjunction in inlet valve spring 23 and the 7th atmospheric pressure cavity G is on suction valve 21, try hard to make suction valve 21 to close, and the pressurized gas in the second atmospheric pressure cavity B act on and try hard to make suction valve 21 to open on the suction valve 21.The 7th atmospheric pressure cavity G is communicated with relief opening 3.3 by the 3rd exhaust valve 27, and when the 3rd exhaust valve 27 was opened, the pressurized gas among the 7th atmospheric pressure cavity G entered in the atmosphere by the 3rd exhaust valve 27.
Clutch booster comprises hydraulic control mechanism and electric control operating mechanism.Hydraulic control mechanism comprises filler opening, the first hydraulic pressure cavity H, the second hydraulic pressure cavity K, control piston 15 and the control piston return spring 14 that is connected with clutch master cylinder.Pressure fluid is input to the first hydraulic pressure cavity H from filler opening, enter then among the second hydraulic pressure cavity K that is communicated with first hydraulic pressure cavity, fluid pressure action is on control piston 15, the elastic force that promotion control piston 15 overcomes return spring 14 is moved to the left control first valve 12, thereby the flow path of pressurized gas is controlled.
Electric control operating mechanism comprises the solenoid valve 17 that is connected with ECU, solenoid valve 17 has two iron cores, be respectively first iron core 26 and second iron core 29, the switching of first iron core, 26 control the 3rd intake valves 25 and the 3rd exhaust valve 27, the switching of second iron core, 29 control second intake valves 28 and second exhaust valve 31.The first iron core return spring 24 acts on first iron core 26, give 26 1 downward power of first iron core, by first iron core, 26 electromagnetic coils are switched on, can produce the active force that electromagnetic force overcomes the first iron core return spring 24, drive first iron core 26 and move up, close the 3rd intake valve 25 and open the 3rd exhaust valve 27.The second iron core return spring 30 acts on second iron core 29, give 29 1 power that make progress of second iron core, by second iron core, 29 electromagnetic coils are switched on, can produce the active force that electromagnetic force overcomes the second iron core return spring 30, drive second iron core 29 and move down, open second intake valve 28 and close second exhaust valve 31.Above-mentioned power on/off control command to first and second iron cores 26 and 29 is sent by ECU, by the switching of solenoid valve 17 being controlled and then the flow path of pressurized gas being controlled.
Debugging-free multifunctional clutch booster of the present invention also comprises boosting piston 2, hydraulic piston 4 and position-limited lever 16.Hydraulic piston 4 is positioned at the first hydraulic pressure cavity H, and boosting piston 2 is a split-type structural with hydraulic piston 4, and boosting piston 2 is threaded with position-limited lever 16, and position-limited lever 16 places the inner chamber of hydraulic piston 4.When using electric control operating mechanism control, boosting piston 2 drives that position-limited levers 16 move in the L1 of hydraulic piston 4 scope and hydraulic piston 4 is motionless, thereby can protect the clutch hydraulic pressure operating mechanism to greatest extent.Boosting piston return spring 3 is used for remaining boosting piston 2 in the clutch control process and is in foremost (being the left side in the accompanying drawing).Boosting piston ante-chamber M is communicated with relief opening 3.2 by passage a, thereby in boosting piston 2 to-and-fro motion processes, air be discharged or be sucked to boosting piston ante-chamber 17 can according to the variation of its volume, and the holding chamber internal air pressure is stable, avoids dust-proof cover to break.
As shown in Figure 2, pull bar 5 one ends are connected on the clutch power-assisted piston 2, and with boosting piston 2 to-and-fro motion, in pull bar 5 reciprocating processes, the other end of pull bar 5 drives strong magnet 8 and rotates around rotating center strong point M.Rotating shaft 7 and strong magnet 8 for example adopt the mode of screw to fixedly connected, and when strong magnet 8 rotated around rotating center strong point M, rotating shaft 7 was also rotated around rotating center strong point M.As shown in Figure 2, when pull bar 5 move down L apart from the time, rotating shaft 7 correspondingly turns over the α angle.Rotating shaft 7 is inserted in the angular displacement sensor 9, along with the rotation of rotating shaft 7, and the different voltage signal of angular displacement sensor 9 outputs.Need to prove at this, the switching mechanism that the to-and-fro motion of pull bar 5 is converted to the rotation of rotating shaft 7 is not limited to the structure shown in mentioned above and the accompanying drawing 2, in the prior art to-and-fro motion being converted to the suitable mechanism that rotatablely moves all can be applied in the utility model, for example, one end of pull bar 5 close angular displacement sensors 9 is designed to the tooth bar form, the lower end of rotating shaft 7 is designed to gear forms, rack and pinion cooperatively interacts, and directly the to-and-fro motion of pull bar 5 is converted to the rotation of rotating shaft 7.Angular displacement sensor 9 is connected with ECU, its variation with this voltage signal passes to ECU, ECU will come the inlet and outlet of control electromagnetic valve 17 according to the variation of the systematic parameter (speed of a motor vehicle, engine speed etc.) of automobile and voltage signal, with the separation that realizes clutch more reliably, reposefully with engage.Angular displacement sensor has precision height, quick, the reliability advantages of higher of reflection, uses angular displacement sensor in debugging-free multifunctional clutch booster described in the utility model, can promote the booster performance effectively.The mechanism that pull bar and angular displacement sensor are formed can also effectively judge the location status of clutch separation and joint simultaneously.
The utility model debugging-free multifunctional clutch booster also comprises clutch friction pad wear warning device 32.Behind the clutch friction pad wear, boosting piston 2 drives pull bar 5 (i.e. right side shown in the figure) motion together backward, after clutch friction plate may wear to specified value L2, pull bar 5 contacted with the push rod 18 of wearing and tearing warning device 32, and warning device 32 sends the signal that clutch friction plate need be changed.
Working procedure is described:
Above the structure to the pneumatic type clutch booster is described, and below will be respectively be described at the various working staties of the clutch working procedure to the pneumatic type clutch booster.
● the clutch non-operating state
Under the clutch non-operating state, be that clutch keeps under the state of joint, the hydraulic coupling of filler opening is zero, air pressure from suction port arrives the first atmospheric pressure cavity A and the second atmospheric pressure cavity B, first valve 12 keeps closing under the acting in conjunction of the pressurized gas in first return spring 11 and the first atmospheric pressure cavity A, and pressurized gas are intercepted can not enter the 5th atmospheric pressure cavity E.First iron core 26 of solenoid valve 17 and the electromagnetic coil of second iron core 29 are not switched on, under the effect respectively of the first iron core return spring 24 and the second iron core return spring 30, first iron core 26 is in the lower end of its mobile route, second iron core 29 is in the upper end of its mobile route, the 3rd intake valve 25 is opened, the 3rd exhaust valve 27 cuts out, and second intake valve 28 is closed, and second exhaust valve 31 is opened.The 3rd intake valve 25 that the Pneumatic pipe cleaner of suction port is crossed solenoid valve arrives the 7th atmospheric pressure cavity G.The acting in conjunction lower inlet valve 21 of the pressurized gas in inlet valve spring 23 and the 7th atmospheric pressure cavity G is in closed condition, and pressurized gas are intercepted can not be entered in the 6th atmospheric pressure cavity F from the second atmospheric pressure cavity B.Exhaust valve 20 is in open mode under the effect of this external exhaust valve spring 18.At this moment, pressurized gas from suction port can enter the first atmospheric pressure cavity A, the second atmospheric pressure cavity B and the 7th atmospheric pressure cavity G, and pressurized gas are intercepted and can not be entered in the 3rd atmospheric pressure cavity C, the 5th atmospheric pressure cavity E and the 6th atmospheric pressure cavity F, thereby can't arrive the 4th atmospheric pressure cavity D, therefore not to clutch generation effect.
● the working procedure of hydraulic control mechanism
In the process that the hydraulic control mechanism action is operated clutch, solenoid valve 17 keeps its state when the clutch non-operating state.
Step on the clutch master cylinder pedal, master cylinder pressure oil enters into the first hydraulic pressure cavity H and the second hydraulic pressure cavity K from filler opening, action of hydraulic force is on control piston 15, make control piston 15 overcome the elastic force of control piston return spring 14 to moving to left, close first exhaust valve 13, and open first valve 12, pressurized gas in the first atmospheric pressure cavity A arrive the 5th atmospheric pressure cavity E by first valve 12, and then promote pneumatic piston 6 to moving left to high order end, pressurized gas in the 5th atmospheric pressure cavity E arrive the 4th atmospheric pressure cavity D via passage b, driving push rod 1 under the pressurized gas effect of boosting piston 2 in the 4th atmospheric pressure cavity D is moved to the left, actuate clutch disengaging lever, thereby make clutch separation.
Loosen foot treadle, the hydraulic pressure at filler opening place descends.Under the acting in conjunction of the pressurized gas in control piston return spring 14 and the 5th atmospheric pressure cavity E, control piston 15 is moved to right, close first valve 12, the pressurized gas of opening in first exhaust valve, 13, the four atmospheric pressure cavity D are arranged to atmosphere from relief opening 3.2 via the 5th atmospheric pressure cavity E and first exhaust valve 13.Under the effect of clutch spring, boosting piston 2 is pushed to right-hand member, perhaps push boosting piston 2 to right-hand member by the elastic force of boosting piston return spring 3 by push rod 1.Clutch recovers the identical jointing state of NOT-AND operation state.
● the working procedure of electric control operating mechanism
In the process that the electric control operating mechanism action is operated clutch, hydraulic control mechanism keeps its state when the clutch non-operating state.
Instruction by ECU, the electromagnetic coil of the control second moving iron core 29 feeds the voltage of certain value, 24V for example, produce electromagnetic force, drive the elastic force that second iron core 29 overcomes the second iron core return spring 30 and move downward, open second intake valve 28, close second exhaust valve 31, this moment, the pressurized air of suction port arrived the 3rd atmospheric pressure cavity C via second intake valve 28, and the exhaust diaphragm that the pressurized air in the 3rd atmospheric pressure cavity C promotes in the outlet valve 19 moves upward, and closes exhaust valve 20.On the other hand, instruction by ECU, the electromagnetic coil of controlling first iron core 26 feeds the voltage of certain value, 24V for example, produce electromagnetic force, drive the elastic force that first iron core 26 overcomes the first iron core return spring 24 and move upward, close the 3rd intake valve 25, and open the 3rd exhaust valve 27, thereby the pressurized gas in the 7th atmospheric pressure cavity G are arranged to atmosphere via relief opening 3.3 by the 3rd exhaust valve 27.The air inlet diaphragm that the interior pressurized gas of second atmospheric pressure cavity B this moment promote in the suction valve 21 upwards moves, open intake valve 22, pressurized gas in the second atmospheric pressure cavity B enter the 6th atmospheric pressure cavity F, and then promote pneumatic piston 6 via passage e and move on to low order end to the right, open the passage between the 4th atmospheric pressure cavity D and the 6th atmospheric pressure cavity F, pressurized gas enter the 4th atmospheric pressure cavity D via passage b, drive push rod 1 under the pressurized gas effect of boosting piston 2 in the 4th atmospheric pressure cavity D and are moved to the left, thereby make clutch separation.At this moment, hydraulic piston 4 keeps static, thereby protects the hydraulic control mechanism of clutch to greatest extent.
Instruction by ECU, control the electromagnetic coil outage of first iron core 26, first iron core 26 moves downward under the effect of the first iron core return spring 24, close the 3rd exhaust valve 27, open the 3rd intake valve 25 simultaneously, pressurized gas from suction port arrive the 7th atmospheric pressure cavity G by the 3rd intake valve 25, under the acting in conjunction of the pressurized gas in inlet valve spring 23 and the 7th atmospheric pressure cavity G, air inlet diaphragm in the promotion suction valve 21 moves downwards closes intake valve 22, cuts off the connection between the second atmospheric pressure cavity B and the 6th atmospheric pressure cavity F.ECU controls the electromagnetic coil outage of second iron core 29 simultaneously, second iron core 29 moves upward under the effect of the second iron core return spring 30, close second intake valve 28, the pressurized gas of opening simultaneously among second row's intake valve, 31, the three atmospheric pressure cavity C are arranged to atmosphere via relief opening 3.3 by second exhaust valve 31.The exhaust diaphragm that pressurized gas in the 6th atmospheric pressure cavity F promote in the outlet valve 19 overcomes the active force of exhaust valve spring 18 to moving down, the pressurized gas of opening in exhaust valve 20, the four atmospheric pressure cavity D are arranged to atmosphere from relief opening 3.3 by the 6th atmospheric pressure cavity F, exhaust valve 20 via passage b and e.Under the effect of clutch spring, boosting piston 2 is pushed to right-hand member, perhaps push boosting piston 2 to right-hand member by the elastic force of boosting piston return spring 3 by push rod 1.
Clutch recovers jointing state.
In the working procedure of electric control operating mechanism, ECU controls the internal actions of solenoid valve 17, adopts aforesaid structure, and ECU is consistent to the control of first iron core 26 and second iron core 29, the two is switched on simultaneously or cuts off the power supply, and has simplified the design of control circuit.
Claims (13)
1. debugging-free multifunctional clutch booster comprises:
Gas supply unit, described gas supply unit have a plurality of atmospheric pressure cavities (A, B, C, D, E, F, G) and be arranged between each atmospheric pressure cavity connection between the control atmospheric pressure cavity or atmospheric pressure cavity and atmosphere between the valve (12,21,19) or the inlet and outlet door (13,22,20,28,31,25,27) that are communicated with;
Electric control operating mechanism, described electric control operating mechanism has solenoid valve (17), this solenoid valve (17) is positioned on the gas flow paths of gas supply unit, by the switching electricity of solenoid valve (17) is controlled, thereby the flow path of control gaseous is realized clutch and the operation that separates;
Hydraulic control mechanism, described hydraulic control mechanism is controlled the switching of described valve in the gas supply unit and/or inlet and outlet door by pressure fluid, thus the flow path of control gaseous is realized clutch and the operation that separates;
Wherein, described electric control operating mechanism and described hydraulic control mechanism are arranged in parallel;
It is characterized in that, also comprise boosting piston (2), hydraulic piston (4) and position-limited lever (16), boosting piston (2) is a split-type structural with hydraulic piston (4), boosting piston (2) is fixedlyed connected with position-limited lever (16), position-limited lever (16) places the inner chamber of hydraulic piston (4), when using electric control operating mechanism control, boosting piston (2) drives that position-limited lever (16) moves in the certain limit (L1) of hydraulic piston (4) and hydraulic piston (4) is motionless.
2. clutch booster as claimed in claim 1, wherein, described solenoid valve (17) comprises first iron core (26) and second iron core (29), first iron core (26) can move up and down the 3rd intake valve (25) and the 3rd exhaust valve (27) that lay respectively at first iron core (26) two ends are opened or closed, and second iron core (29) can move up and down second intake valve (28) and second exhaust valve (31) that lay respectively at second iron core (29) two ends are opened or closed.
3. clutch booster as claimed in claim 2, it is characterized in that: first iron core comprises return spring (24), it is positioned at an end of first iron core (26), try hard to make the 3rd intake valve (25) to open and the 3rd exhaust valve (27) cuts out, electromagnetic coil is centered around first iron core (26) outside, when electric current feeds described electromagnetic coil, the effect that first iron core (26) is subjected to electromagnetic force overcomes the active force of the first iron core return spring (24), the 3rd intake valve (25) is closed and the 3rd exhaust valve (27) is opened.
4. clutch booster as claimed in claim 2, it is characterized in that: second iron core comprises return spring (30), it is positioned at an end of second iron core (29), try hard to make second intake valve (28) to close and second exhaust valve (31) is opened, electromagnetic coil is centered around second iron core (29) outside, when electric current feeds described electromagnetic coil, the effect that second iron core (29) is subjected to electromagnetic force overcomes the active force of the second iron core return spring (30), second intake valve (28) is opened and second exhaust valve (31) cuts out.
5. the described clutch booster of arbitrary as described above claim, wherein, described gas supply unit comprises suction port, second atmospheric pressure cavity (B), the 4th atmospheric pressure cavity (D), the 6th atmospheric pressure cavity (F) and suction valve (21), second atmospheric pressure cavity (B) directly is communicated with suction port, the 6th atmospheric pressure cavity (F) is connected by suction valve (21) with second atmospheric pressure cavity (B), and the 6th atmospheric pressure cavity (F) is communicated with the 4th atmospheric pressure cavity (D) by a pneumatic piston (6) control or seals.
6. clutch booster as claimed in claim 5, wherein, described gas supply unit comprises the 3rd atmospheric pressure cavity (C), the 7th atmospheric pressure cavity (G) and outlet valve (19), one suction port is connected with the 3rd atmospheric pressure cavity (C) by second intake valve (28), this suction port is connected with the 7th atmospheric pressure cavity (G) by the 3rd intake valve (25), and outlet valve (19) connects the 6th atmospheric pressure cavity (F) and atmosphere.
7. clutch booster as claimed in claim 6, wherein, high-pressure gas pressure, the high-pressure gas pressure in the 7th atmospheric pressure cavity (G) and an inlet valve spring (23) acting in conjunction in second atmospheric pressure cavity (B) are controlled the opening and closing of suction valve (21) on suction valve (21).
8. 6 or 7 clutch booster as claimed in claim, wherein, high-pressure gas pressure in high-pressure gas pressure in the 3rd atmospheric pressure cavity (C), the 6th atmospheric pressure cavity (F) and an exhaust valve spring (18) acting in conjunction are controlled the opening and closing of outlet valve (19) on outlet valve (19).
9. as each described clutch booster among the claim 1-4,6,7, wherein, described hydraulic control mechanism comprises filler opening, hydraulic pressure cavity (H, K), control piston (15) and control piston return spring (14), filler opening (4) is communicated with hydraulic pressure cavity (H, K) fluid, control piston (15) is positioned at hydraulic pressure cavity (K), and the pressure fluid in the hydraulic pressure cavity (K) acts on control piston (15) and moves it.
10. clutch booster as claimed in claim 5, wherein, described hydraulic control mechanism comprises filler opening, hydraulic pressure cavity (H, K), control piston (15) and control piston return spring (14), filler opening (4) is communicated with hydraulic pressure cavity (H, K) fluid, control piston (15) is positioned at hydraulic pressure cavity (K), and the pressure fluid in the hydraulic pressure cavity (K) acts on control piston (15) and moves it.
11. clutch booster as claimed in claim 8, wherein, described hydraulic control mechanism comprises filler opening, hydraulic pressure cavity (H, K), control piston (15) and control piston return spring (14), filler opening (4) is communicated with hydraulic pressure cavity (H, K) fluid, control piston (15) is positioned at hydraulic pressure cavity (K), and the pressure fluid in the hydraulic pressure cavity (K) acts on control piston (15) and moves it.
12. as each described clutch booster among the claim 1-4, wherein, described gas supply unit also comprises first atmospheric pressure cavity (A), the 5th atmospheric pressure cavity (E), first valve (12) and pneumatic piston (6), suction port directly is communicated with first atmospheric pressure cavity (A), first atmospheric pressure cavity (A) is connected by first valve (12) with the 5th atmospheric pressure cavity (E), pressurized gas in the 5th atmospheric pressure cavity (E) can promote pneumatic piston (6) thereby move to be communicated with the 4th atmospheric pressure cavity (D), the joint that the interior pressurized gas of the 4th atmospheric pressure cavity (D) act on boosting piston (2) solenoidoperated cluthes with separate.
13. clutch booster as claimed in claim 5, wherein, the pressurized gas in described the 6th atmospheric pressure cavity (F) can promote pneumatic piston (6) thereby move to be communicated with the 4th atmospheric pressure cavity (D).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201484389U CN201487090U (en) | 2009-04-08 | 2009-04-08 | Multifunctional clutch booster free of adjusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201484389U CN201487090U (en) | 2009-04-08 | 2009-04-08 | Multifunctional clutch booster free of adjusting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201487090U true CN201487090U (en) | 2010-05-26 |
Family
ID=42425969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201484389U Expired - Lifetime CN201487090U (en) | 2009-04-08 | 2009-04-08 | Multifunctional clutch booster free of adjusting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201487090U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168751A (en) * | 2011-04-26 | 2011-08-31 | 浙江吉利汽车研究院有限公司 | Gear-selecting device of electric-control mechanical type automatic transmission |
| CN104235234A (en) * | 2014-09-12 | 2014-12-24 | 瑞立集团瑞安汽车零部件有限公司 | Clutch stroke monitoring system |
| CN105899748A (en) * | 2013-10-29 | 2016-08-24 | 爱信精机株式会社 | Controlling device and control method for vehicle opening and closing body and vehicle opening and closing body comprising same controlling device |
| CN110185721A (en) * | 2019-05-16 | 2019-08-30 | 浙江科力车辆控制系统有限公司 | Electric control clutch booster |
-
2009
- 2009-04-08 CN CN2009201484389U patent/CN201487090U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168751A (en) * | 2011-04-26 | 2011-08-31 | 浙江吉利汽车研究院有限公司 | Gear-selecting device of electric-control mechanical type automatic transmission |
| CN102168751B (en) * | 2011-04-26 | 2014-10-22 | 浙江吉利汽车研究院有限公司 | Gear-selecting device of electric-control mechanical type automatic transmission |
| CN105899748A (en) * | 2013-10-29 | 2016-08-24 | 爱信精机株式会社 | Controlling device and control method for vehicle opening and closing body and vehicle opening and closing body comprising same controlling device |
| CN104235234A (en) * | 2014-09-12 | 2014-12-24 | 瑞立集团瑞安汽车零部件有限公司 | Clutch stroke monitoring system |
| CN104235234B (en) * | 2014-09-12 | 2016-08-17 | 瑞立集团瑞安汽车零部件有限公司 | Travel of clutch monitoring system |
| CN110185721A (en) * | 2019-05-16 | 2019-08-30 | 浙江科力车辆控制系统有限公司 | Electric control clutch booster |
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Granted publication date: 20100526 Effective date of abandoning: 20090408 |