CN201231682Y

CN201231682Y - Single-cylinder clutch slow-engaging device

Info

Publication number: CN201231682Y
Application number: CNU2008200083979U
Authority: CN
Inventors: 钱文希
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-08
Filing date: 2008-04-08
Publication date: 2009-05-06
Anticipated expiration: 2018-04-08

Abstract

Disclosed is a semi-automatic single cylinder clutch moderating device. In a cylinder body (12), a hollow piston rod (7) is fixedly connected with a composite piston (18); a push rod (2), a pre-compression spring component (20), a valve core (19) of an intermittent delay valve and a damper are sequentially mounted in the cavity of the hollow piston rod (7); one end of the valve core (19) of the intermittent delay valve is connected with the damper, the other end is forced by a clutch system through the pre-compression spring component (20) and the push rod (2); an oil groove on the valve core (19) of the intermittent delay valve is corresponding to the main cavity of the hollow piston rod (7) to the oil hole of an auxiliary cavity, and is used for closing or opening the oil channel, and controlling the unidirectional movement of the composite piston (18). When the clutch is stepped and shifted into gear in practical use, the user can move away a foot from the clutch pedal, and the semi-linkage process, linkage process and other processes can be finished automatically. The single cylinder clutch moderating device is not applicable to the states which need continuously maintain the semi-linkage state, such as the lateral parking position.

Description

The slow device that closes of single cylinder clutch

Affiliated technical field

The utility model relates to a kind of slow device that closes of a single cylinder clutch that can partly replace people's clutch to handle that is used for manually keeping off a car, especially can partly replace people's control clutch to engage, make power-transfer clutch to different operations, carry out clutch by different processes in the S. A. mode, make starting of vehicle quick and stable or gearshift.

Background technology

At present, the practical example that is put to that does not still have this respect.Power-transfer clutch is all by manual handling so far.

Summary of the invention

In order to solve a power-transfer clutch of manually keeping off a car always by manual control, the problem that can not engage automatically, the utility model provides a kind of single cylinder clutch the slow device that closes, this single cylinder clutch is slow close device can be by the difference of gear, throttle size, carry out the work of clutch engagement with different processes, make vehicle fast, gentle start or gearshift.

The technical scheme that its technical matters that solves the utility model adopts is: in cylinder body (12), hollow piston bar (7) links to each other with composite piston (18).In the chamber of hollow piston bar (7), the spring perch (13) at the bottom of push rod (2), pre-compressed spring assembly (20), interrupted time delay valve spool (19), damping piston (15), the spring (14) that is positioned at the hollow piston boom end being housed successively and being positioned at the chamber.Have interrupted time delay valve oilhole to communicate with the major-minor chamber of oil cylinder by composite piston (18) at hollow piston bar (7), damping cavity oil communicates by the auxilliary chamber C of hollow piston bar, throttling sleeve pipe (11) and composite piston and oil cylinder.When decontroling clutch pedal, push rod (2) will be pressed in the hollow piston bar (7), but hollow piston bar (7) can not in contract, thereby compression pre-compressed spring assembly (20), under pre-compressed spring assembly (20) elastic force effect, oil in certain hour damping piston (15) flows into auxilliary chamber through damping hole, damping piston (15) and interrupted time delay valve spool (19) slide at the bottom of the chamber, last interrupted time delay valve spool (19) oil groove and hollow piston bar (7) oilhole are to last, open oil duct, main chamber oil flows into auxilliary chamber through oil duct, contracts in the hollow piston bar (7) under the effect of vehicle clutch system, until finishing clutch.

The beneficial effects of the utility model are; in practicality when stepping on out after clutch puts into gear; just can decontrol pedal by a pin; no longer need to do and half-clutchly stop slightly or action such as put slowly, only need control throttle size get final product the driving degree of fatigue when consequently being reduced in the city center traffic congestion; the problem such as flame-out that reduces to greatest extent that new hand's maloperation causes; allow new hand that more energy are used to handle condition of road surface, improve the safe driving degree, provide the more sense of security and confidence to Getting Started.Need to keep continuously half-clutch state but this device also is suitable for this class of parking stall, side, meet this situation pin of also need troubling and step down in half-clutch and do not put.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the utility model basical traditional model section-drawing.

Fig. 2 is the utility model reduced form section-drawing.

Fig. 3 is the tension type section-drawing of the utility model.

Fig. 4 is the interrupted time delay valve spool of the utility model.

Fig. 5 is the utility model basical traditional model outside drawing.

1. cushion rubbers among the figure, 2. push rod, 2-2. pull bar, 3. spring or vapour spring, 4. piston or sealing member, 5. check valve, 6. check valve, 7. hollow piston rod, 7-1. hollow piston rod, 8. bearing, 9. flexible axle or pull bar, 10. bearing, 11. the throttling sleeve pipe, 12. cylinder bodies, 12-1 cylinder body, 13. spring perch, 14. springs or vapour spring, 15. damping pistons, 16. the location swivel nut, 17. check valves, 18. composite pistons, the 18-1 composite piston, 19. interrupted time delay valve spools, 20. pre-compressed spring assemblies or vapour spring, 21. back-up ring, 22. pull back springs or vapour spring, 23. locating bushs and pin assembly, 24. spring, 25. spring bearings, 26. bearings, 27. flexible axle or pull bar, 28. springs, 29. piston rods are prevented volution, 30. coupling sleeve, 31. throttle swivel nuts, 32. initial bit swivel nuts, 33. delay and close the device fixed support, 34. glands, 35. springs or vapour spring.

The specific embodiment

In Fig. 1, be the basical traditional model section-drawing.Conventional hydraulic part such as sealing member, support sleeve saves without exception among the figure, handles on merits when treating commercialization.Coupling sleeve (30) links to each other with a certain movable parts in clutch pedal or the clutch transmission, slow close device fixed support (33) and then links to each other with a certain fixed parts in the vehicle body.Vice versa.When stepping on clutch pedal, pulling coupling sleeve (30), by spring (35) hollow piston bar (7) is pulled out, unclamp push rod (2) simultaneously, each part returns to the job initiation position in the hollow piston bar (7) under pre-compressed spring assembly (20) and spring (14) effect, cuts off main chamber B to auxilliary chamber C oil duct.Auxilliary chamber C fluid flows to main chamber B through check valve (17).When decontroling clutch pedal, push rod (2) will be pressed in the hollow piston bar (7), but hollow piston bar (7) can not in contract, thereby compression pre-compressed spring assembly (20), under pre-compressed spring assembly (20) elastic force effect, oil in certain hour damping piston (15) flows into auxilliary chamber C through damping hole, damping piston (15) and interrupted time delay valve spool (19) slide at the bottom of the chamber, last interrupted main oil groove of time delay valve spool (19) and hollow piston bar (7) oilhole are to last, open oil duct, main chamber B oil is through composite piston, the hollow piston bar, and interrupted time delay valve spool and the auxilliary chamber C of check valve (5) inflow, under the effect of vehicle clutch system, contract in the hollow piston bar (7), until finishing clutch.Pre-compressed spring assembly (20) is by spring, cap, pull bar or backguy are formed up and down, extreme length tension member or backguy restriction.Pre-compressed spring assembly (20) also can be replaced by the vapour spring.Composite piston (18) is fixedly linked with hollow piston bar (7), at composite piston (18) two groups of oil ducts is arranged, and one group is between damper and the auxilliary chamber C, and flowing to auxilliary chamber C from damper has cutoff port, to damper check valve is arranged from auxilliary chamber C.Another group is between main chamber B and the auxilliary chamber C, from auxilliary chamber C to main chamber B directly by composite piston (18), in check valve (17) is arranged.Also need pass through hollow piston bar (7) from main chamber B to auxilliary chamber C oil duct, open and close and be subjected to interrupted time delay valve spool (19) control.Back-up ring (21) effect is restriction composite piston (a 18) stroke.Piston rod prevents that volution (29) effect is to prevent hollow piston bar (7) rotation.Piston (4) plays the fluid compensating action, and is oversize in using as reality, desire shortening length, and by cylinder structure commonly used at present, outer shell or title cover cylinder or a back of the body little fluid reservoir in can making.Flexible axle or pull bar (27) link to each other with throttle by transmission device, and when stepping on the throttle, flexible axle or pull bar (27) rotate throttle swivel nut (31), throttle swivel nut (31) inner and outer round surface has reverse thread, cylinder body is produced move, change the clutch gap, change clutch transmission torque.Spring (28) plays the return effect.Locating bush and pin assembly (23) make cylinder body (12) and location swivel nut (16) and slow close device fixed support (33) and can not produce relative rotation.Initial bit swivel nut (32) also is that inner and outer round surface has reverse thread, and in order to adjust the initialization position, initial bit swivel nut (32) band self-locking device is determined during the concrete structure commercialization.Flexible axle or pull bar (9) link to each other with the change-speed box pin, by flexible axle or pull bar (9) throttling sleeve pipe (11) are rotated, and change the size of damper cutoff port A, change the time of interrupted time delay valve spool (19) conducting oil circuit, change half-clutch time length.

In Fig. 2, be the simplified structure of Fig. 1.Piston and cylinder body have all been done simplification.

In Fig. 3, for being subjected to pull-up structure.Be exactly that piston rod is subjected to tension when decontroling clutch pedal.Push rod (2) has made pull bar (2-2) into.Pull bar (2-2) end links to each other with a certain movable parts in clutch pedal or the clutch transmission, the other end passes hollow piston bar (7), spring perch (13), spring (14), damping piston (15), interrupted time delay valve spool (19), pre-compressed spring assembly (20), tension and compression pre-compressed spring assembly (20), detailed process and Fig. 1 basical traditional model are similar.

In Fig. 4, be interrupted time delay valve spool (19) structural representation, A is main oil groove among the figure, it is in being discontinuous slit.The quantity of discontinuous slit, position, size shape with joining vehicle and engine performance different and different.Good as engine performance, only use main oil groove, the cancellation discontinuous slit.

In Fig. 5, be the contour structures scheme drawing of Fig. 1.

Claims

1. the slow device that closes of a single cylinder clutch, in cylinder body (12), spring or vapour spring (3) are housed successively, piston or sealing member (4), piston rod is prevented volution (29), back-up ring (21), composite piston (18), pull back spring or vapour spring (22), hollow piston bar (7) and composite piston (18) are fixedly linked and pass an end or two ends of composite piston (18) and cylinder body (12), in the chamber of hollow piston bar (7), cushion rubber (1) is housed successively, push rod (2) or pull bar (2-2), pre-compressed spring assembly or vapour spring (20), interrupted time delay valve spool (19), damping piston (15), spring (14) and be positioned at the chamber at the bottom of spring perch (13), cylindrical one end at hollow piston bar (7) is equipped with coupling sleeve (30) successively, gland (34), spring or vapour spring (35), the other end is equipped with throttling sleeve pipe (11), bearing (8), at cylinder body (12) cylindrical throttle swivel nut (31) is housed successively, location swivel nut (16), initial bit swivel nut (32), the slow device fixed support (33) that closes, it is characterized in that: interrupted time delay valve spool (19) one ends link to each other with the damping piston (15) of damper, the other end links to each other with pre-compressed spring assembly or vapour spring (20), and by pre-compressed spring assembly or vapour spring (20), push rod (2) is subjected to the clutch system application force, perhaps by pre-compressed spring assembly or vapour spring (20), pull bar (2-2) is subjected to the clutch system application force, oil groove on the interrupted time delay valve spool (19) is corresponding with the main chamber of hollow piston bar (7) to auxilliary chamber oilhole, interrupted time delay valve spool (19) slides in hollow piston bar (7), open or close oil duct when diverse location, control combination piston (18) is unidirectional to be moved.

2. the slow device that closes of single cylinder clutch according to claim 1, it is characterized in that: two groups of oil ducts are arranged at composite piston (18), one group is two oil ducts of turnover between damper and the auxilliary chamber C, another group is two oil ducts of turnover between main chamber B and the auxilliary chamber C, perhaps have only one group of oil duct at composite piston (18), two oil ducts directly pass in and out through hollow piston bar (7) between damper and the auxilliary chamber C.

3. the slow device that closes of single cylinder clutch according to claim 1, it is characterized in that: check valve (6) is housed in composite piston (18), check valve (5), check valve (17), one group of oil duct between damper and the auxilliary chamber C, flow to auxilliary chamber C from damper cutoff port is arranged, the hollow piston bar (7) of flowing through, throttling sleeve pipe (11), the hollow piston bar (7) of perhaps flowing through, throttling sleeve pipe (11), composite piston (18), flow to damper from auxilliary chamber C check valve (6) is housed, another group is between main chamber B and the auxilliary chamber C, directly by composite piston (18) and through check valve (17), need pass through composite piston (18) to auxilliary chamber C oil duct from auxilliary chamber C to main chamber B from main chamber B, hollow piston bar (7), interrupted time delay valve spool (19), check valve (5).

4. the slow device that closes of single cylinder clutch according to claim 1, it is characterized in that: throttling sleeve pipe (11) is enclosed within on the hollow piston bar (7), can rotate and change the cutoff port size, throttling sleeve pipe (11) pipe end is equipped with bearing (10) and links to each other with flexible axle or pull bar (9), spring bearing (25) also is housed in addition links to each other with bearing (8) by spring (24).

5. the slow device that closes of single cylinder clutch according to claim 1, it is characterized in that: throttle swivel nut (31) inner and outer round surface has reverse thread, negative thread screws in cylinder body (12), screw into location swivel nut (16), locating bush and pin assembly (23) are fixedly linked on cylinder body (12), the pin of locating bush and pin assembly (23) inserts location swivel nut (16) and the slow device fixed support (33) that closes, and restriction location swivel nut (16), the slow device fixed support (33) that closes rotate.

6. the slow device that closes of single cylinder clutch according to claim 1, it is characterized in that: initial bit swivel nut (32) inside and outside circle has reverse thread, negative thread screws in location swivel nut (16), screws into the slow device fixed support (33) that closes, and slowly closes device fixed support (33) and then links to each other with fixed parts in the vehicle body.

7. the slow device that closes of single cylinder clutch according to claim 1, it is characterized in that: coupling sleeve (30) one ends link to each other with clutch pedal or clutch transmission parts, the other end is enclosed within on the hollow piston bar (7), built-in spring or vapour spring (35), spring or vapour spring (35) one ends contact with coupling sleeve (30), the other end contacts with gland (34), and gland (34) is fixedly linked with hollow piston bar (7).