CN201287636Y

CN201287636Y - Inner-sensing single-cylinder clutch easing device

Info

Publication number: CN201287636Y
Application number: CNU2008201190535U
Authority: CN
Inventors: 钱文希
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-06-08
Filing date: 2008-06-08
Publication date: 2009-08-12
Anticipated expiration: 2018-06-08

Abstract

Disclosed is an internal-induced single-cylinder clutch retarder capable of helping driver to perform clutch operation during normal driving. A return spring, a piston, a piston rod, a positioning retainer ring, a compensating guide sleeve, a compensating spring, a cover and cylinder head are sequentially arranged in a cylinder barrel. A trimming threaded sleeve, a locating threaded sleeve, and a fixing support are sequentially mounted outside the cylinder barrel from inside to outside. Damping valve spools, damping springs, oil orifices, throttle orifices, discharge orifices and a main oil orifice are mounted in the piston rod and the piston, wherein the oil orifices with check valves are connected with the throttle orifices and lead to a secondary cavity, a primary cavity is communicated with the secondary cavity via the discharge orifices, the discharge orifices pass through a damping valve, the conduction is controlled by the damping valve, and the main oil orifice provided with an check valve has opposite flow direction to the discharge orifices . After engaging the clutch and putting into gear during normal driving, a driver can release the clutch pedal, then the pedal contacts with the end portion of the piston rod, thereby automatically completing the half-cultch process. However, the internal-induced single-cylinder clutch switching-off retarder is not adaptable to occasions such as lateral parking spaces needing maintaining a half-clutch state continuously.

Description

The slow device that closes of interior sense formula single cylinder clutch

Affiliated technical field

The utility model relates to a kind of control setup that postpones clutch engagement, especially can finish one on request and be tied to action, the slow device that closes of the interior sense formula single cylinder clutch that helps the people to operate the clutch under the cruising situation.

Background technology

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

Summary of the invention

In order to solve a power-transfer clutch of manually keeping off a car always by manual control, be prone to various misoperationes problem, the utility model provides a kind of interior sense formula single cylinder clutch the slow device that closes, should in the clutch of sense formula single cylinder is slow closes device and can postpone clutch engagement, under the cruising situation, help the people to operate the clutch, make vehicle fast, gentle start or gearshift.

The technical scheme that its technical matters that solves the utility model adopts is: in cylinder barrel, from cylinder bottom pull back spring is housed mainly successively, piston, piston rod, the compensation orienting sleeve, compensator spring, cylinder cap, the damping spool is housed in piston rod or piston, damping spring and the check valve that matches and oilhole and cutoff port, oil groove on the damping spool is corresponding with the discharge orifice on piston or the piston rod, throttle-control lever is housed on piston rod, control cutoff port size, main oil-hole and check valve are arranged in piston rod or piston, outside cylinder barrel, the fine setting swivel nut is housed from inside to outside, the location swivel nut, fixed support.After putting into gear, decontrol clutch pedal immediately, certain part is pressed on the piston rod in the pedal system of desired location, main chamber forms high pressure, and the damping spool is pressed inward, and damping cavity oil flows into auxilliary chamber through cutoff port, when dash pot valve core oil groove and discharge orifice when last, the conducting discharge orifice, under the clutch pedal systemic effect, the piston quick travel, make the power-transfer clutch full engagement, finish entire work process.

The beneficial effects of the utility model are, in cruising when stepping on out after clutch puts into gear, just can decontrol pedal by a pin, no longer need to control clutch pedal and do half-clutch action, do not need oily from cooperation yet, as long as need control the throttle size by the speed of a motor vehicle, driving degree of fatigue when consequently being reduced in daily travelling, 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 at leisure and step down in half-clutch and do not put.To the operation of no time requirement, neither difficult matter to new hand, this utility model is simple in structure, and is with low cost, is easy to apply on low side automotive market and other vehicle.

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 sectional structural map.

Fig. 2 is the utility model synchronized model sectional structural map.

Fig. 3 is the economical sectional structural map of the utility model.

Fig. 4 is the utility model dash pot valve core construct figure.

Fig. 5 is that the utility model returns control block structure figure.

Fig. 6 is that the utility model is subjected to pull-up constructional drawing.

1. fault alarm switches among the figure, 2. collision block, 3. cushion rubber or damper, 4. piston rod, 4-1. piston rod, 4-2. piston rod, 5. throttle-control lever, 6. alarm switch, 7. electric wire, 8. cylinder cap screw, 9. cylinder cap, 10. lid, 11. cylinder barrel, 12. compensator springs, 13. compensation orienting sleeves, 14. positioning retainer ring, 15. damping springs, 16. check valve assemblies, 16-1. check valve assembly, 17. fine setting swivel nuts, 17-1. finely tunes swivel nut, 18. the location swivel nut, 18-1. locatees swivel nut, 19. fixed supports, 19-1. fixed support, 20. flexible axles or pull bar, 21. pull back springs, 22. pull back spring, 23. damping spools, 24. orienting sleeves, 25. sealing member, 26. check valve assemblies, 26-1. check valve assembly, 27. piston, 27-1. piston, 27-2. piston, 28. the warning drag-line, 29. supports, 30. bearing pins and torsion spring assembly, 31. the rocking arm and the bulb assembly that floats, 32. times control pieces, 33. rollers, 34. earrings, 35. orienting sleeves, 36. compensating plungers.

The specific embodiment

In Fig. 1, sealing member, the latching device of carrier ring and other correlated parts is pressed design manual and particular case decision, pull back spring (22) is housed in the cylinder barrel (11), piston (27), piston rod (4), compensation orienting sleeve (13), compensator spring (12), cylinder cap (9), on piston, remove and have conventional carrier ring (5), the outer discharge orifice (A) that also has of sealing member (7), check valve (16) and oilhole, damping spool (23) is arranged on piston rod (4), damping spring (15), check valve (26) and oilhole, cutoff port (B), throttle-control lever (5), piston rod (4) is fixedly linked with piston (27).After putting into gear, decontrol clutch pedal immediately, certain part is pressed on the piston rod in the pedal system of desired location, main chamber in pull back spring (22) one sides produces high pressure, damping spool (23) pushed, but owing to there is cutoff port (B) therefore can not to push moment, when pushing when putting in place, damping spool (23) finishing bathtray is to last discharge orifice (A), the conducting discharge orifice, and main chamber fluid enters auxilliary chamber rapidly, piston rod contracts in (4), finishes half-clutch process.When stepping on out clutch pedal, under pull back spring (22) effect, auxilliary chamber fluid flows into main chamber through check valve (16) and oilhole, piston rod (4) is got back to the job initiation position, simultaneously under damping spring (15) effect, auxilliary chamber fluid enters damping cavity through check valve (26) and oilhole, and damping spool (23) is pushed out to initial control position.Initial control position is determined in positioning retainer ring (14) fixed piston (27) shift position of exceeding.Compensation orienting sleeve (13) moves in cylinder barrel (11), and relative dimensions and outer garden associated seal etc. are with reference to the design manual piston portion, and endoporus and sealing member are with reference to design manual orienting sleeve part.Electric wire (7), alarm switch (6), warning drag-line (28) are formed warning device, and when the fluid minimizing exceeded standard, compensation orienting sleeve (13) spurred warning drag-line (28) and reports to the police when inwardly compensating.Rotation throttle-control lever (5) changes the half-clutch time length of cutoff port size control, when as abnormal adjustment, the utility model is more suitable in vehicle condition and driver's individual character, latching device is determined by the commercialization actual conditions, when adjusting as normality, link to each other with the gear driving lever by transmission device, different and different with gear.Fault alarm switch (1) is two a contacts time-delay travel switch, a contact is below the clutch pedal pad, another is on cylinder cap (9), when pin leaves clutch pedal, trigger below the clutch pedal pad and pick up counting, collision block (2) can not collide triggering at cylinder cap (9) upper contact at the appointed time, fault alarm switch (1) is reported to the police immediately, how to handle after the warning and look the commercialization situation and determine, be generally two kinds, a kind of is audio alert, and another kind is to trigger disabling device and follow voice reminder, and the clutch of sense formula single cylinder is slow in making closes device and lost efficacy immediately.Outside cylinder barrel (11) fine setting swivel nut (17), location swivel nut (18), fixed support (19), fine setting swivel nut (17) has screw thread, and link to each other with flexible axle or pull bar (20), pull back spring (21), link to each other with throttle by flexible axle or pull bar (20) and to form interlock, adjust axial location, location swivel nut (18) also has screw thread, adjusts initial axial location by positioning of rotating swivel nut (18), determine during the locking and fixing device commercialization that fixed support (19) is fixedly linked with vehicle body.

In Fig. 2, with Fig. 1 difference is to have increased time control device, in the face of various nonstandard clutch actions, can be handling for improving, need to improve the synchronous coordination of piston and damping spool return, increase rocking arm and the bulb assembly (31) that floats for this reason, change the two hydraulic fluid port oil-feed cross-sectional sizes by bulb, change the two oil inlet quantity, time control piece (32) at the rocking arm and unsteady bulb assembly (31) other end is depended in the bulb action, and is definite when returning the variation of control piece (32) curved surface by commercialization.

In Fig. 3, be that Fig. 1 is made to simplify constructional drawing after the processing because automotive performance promotes, the clutch of interior sense formula single cylinder is slow close device just can tubeization, the reduction manufacturing cost.

In Fig. 4, be damping spool (23) constructional drawing, except that a main oil groove, also have several auxilliary grooves at damping spool (23), auxilliary groove is used to control half-clutch process, and is relevant with vehicle performance, determines when auxilliary groove number and infrastructure product.In the damping spool, also have a pore, be through to another auspicious from an end face.

In Fig. 5, be to return control piece (32) constructional drawing, piston and the mutual return process of damping spool during the control return are determined during concrete curve form commercialization.

In Fig. 6, be the constructional drawing that is subjected to tension when half-clutch, vital parts and action relationships are still as chatting among Fig. 1, only moved upper/lower positions, the damping spool has been transferred direction and position in piston rod, piston has also been transferred direction, and earrings (34) has been replaced cushion rubber or damper (3), compensation orienting sleeve (13) substitutes by guide sleeve (35) and compensating plunger (36), and design manual is still pressed in the commercialization design.Fault alarm switch (1) is fixed on contact on the cylinder cap and is changed to and is fixed in a certain position of vehicle body in Fig. 1.

Claims

1. the slow device that closes of sense formula single cylinder clutch in a kind, in cylinder barrel, pull back spring is housed successively, piston, piston rod, positioning retainer ring, the compensation orienting sleeve, compensator spring, lid, cylinder cap, the fault alarm switch, alarm switch, perhaps in cylinder barrel, be equipped with successively, compensator spring, compensating plunger, positioning retainer ring, piston, piston rod, pull back spring, orienting sleeve, cylinder cap, outside cylinder barrel, the fine setting swivel nut is housed from inside to outside, the location swivel nut, fixed support, it is characterized in that: in piston rod or piston or piston rod and piston, the damping spool is housed, damping spring reaches with the bottom and is connected toward the oilhole that contains check valve and the cutoff port in auxilliary chamber, in piston rod and piston or piston rod or piston, have the master of UNICOM, the discharge orifice in auxilliary chamber, discharge orifice has with discharge orifice in piston rod or piston or piston rod and piston and plays the main oil-hole that the opposite course effect contains check valve by dash pot valve.

2. the slow device that closes of sense formula single cylinder clutch in according to claim 1, it is characterized in that: slow the closing of sense formula single cylinder clutch is equipped with support in the device in the return controllable function is arranged, bearing pin and torsion spring assembly; the rocking arm and the bulb assembly that floats; roller; return the control piece; support is installed on piston or piston rod; the rocking arm and the bulb assembly that floats are installed on support by bearing pin and torsion spring assembly; the end at rocking arm is equipped with float bulb or hydraulic fluid port covering plate; roller be installed on the bulb that floats on the rocking arm the other end and with return the control piece and contact; return the control piece and be installed on cylinder barrel or compensation orienting sleeve, it is adjacent corresponding with unsteady bulb or hydraulic fluid port covering plate respectively that the main oil-hole that dash pot valve contains the auxilliary chamber side hydraulic fluid port of check valve oilhole and contains check valve is assisted chamber side hydraulic fluid port.

3. the slow device that closes of sense formula single cylinder clutch in according to claim 1, it is characterized in that: alarm switch is housed at compensation orienting sleeve or compensating plunger one side external surface, alarm switch belongs to micro-switch, and the warning drag-line that passes alarm switch does not have first end and links to each other with compensation orienting sleeve or compensating plunger.

4. the slow device that closes of sense formula single cylinder clutch in according to claim 1, it is characterized in that: part is equipped with throttle-control lever beyond the exposed cylinder body of piston rod, the rotation throttle-control lever changes dash pot valve cutoff port size, when adjusting as normality, links to each other with gear level by transmission device.

5. the slow device that closes of sense formula single cylinder clutch in according to claim 1, it is characterized in that: the fault alarm switch is two a contacts time-delay travel switch, a contact is below the clutch pedal pad, whether the induction pin leaves clutch pedal, partial fixing is equipped with collision block (2) and matches with another contact beyond the piston rod cylinder body, this contact is at the half-clutch forced stroke terminal point of collision block (2), and whether the slow device that closes of sense formula single cylinder clutch is finished whole half-clutch process and reached home in detecting in time-delay travel switch specified time.

6. the slow device that closes of sense formula single cylinder clutch in according to claim 1, it is characterized in that: the dash pot valve core outer surface also has several auxilliary grooves except that a main oil groove, auxilliary groove is used to control half-clutch process, also has an independent pore at the damping valve core inside, be through to the other end from an end face, the pressurized chamber is main chamber during work, and damping spool master oil groove one side end face communicates with main chamber.

7. the clutch of sense formula single cylinder is slow in according to claim 1 closes device, it is characterized in that: the interior sense formula single cylinder clutch of tension is slow closes device, has the induction cavity C and the corresponding oilhole D that communicate with the damping spool on its piston rod.

8. the clutch of sense formula single cylinder is slow in according to claim 1 closes device, it is characterized in that: at piston rod part cushion rubber or damper or earrings are housed.

9. the slow device that closes of sense formula single cylinder clutch in according to claim 1, it is characterized in that: outside cylinder barrel, be set with fine setting swivel nut, location swivel nut, fixed support from inside to outside successively, on the fine setting swivel nut, be connected with flexible axle or pull bar, pull back spring, flexible axle or pull bar link to each other with throttle and form interlock, between cylinder barrel, fine setting swivel nut, location swivel nut, the fixed support with screw thread or inside and outside axial location effect concavo-convex groove is arranged the garden be nested.