CN104641139A - Clutch release apparatus - Google Patents

Clutch release apparatus Download PDF

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Publication number
CN104641139A
CN104641139A CN201380046365.1A CN201380046365A CN104641139A CN 104641139 A CN104641139 A CN 104641139A CN 201380046365 A CN201380046365 A CN 201380046365A CN 104641139 A CN104641139 A CN 104641139A
Authority
CN
China
Prior art keywords
base plate
main body
clutch
piston
bearing unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201380046365.1A
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Chinese (zh)
Inventor
植之原范久
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Exedy Corp
Original Assignee
Exedy Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Exedy Corp filed Critical Exedy Corp
Publication of CN104641139A publication Critical patent/CN104641139A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/12Mechanical clutch-actuating mechanisms arranged outside the clutch as such
    • F16D23/14Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00Fluid-actuated clutches
    • F16D25/08Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
    • F16D25/083Actuators therefor

Abstract

This clutch release apparatus having a release bearing unit that is moved by hydraulic pressure, wherein a piston is smoothly operated so as to reduce piston and cylinder wear. The apparatus is provided with a release bearing unit (2), a base member (10), a plurality of cylinders (11), and a plurality of pistons (12). The release bearing unit (2) moves along the axis of rotation of a clutch apparatus, and releases a pressing force generated by a pressing member. The base member (10) has a hydraulic chamber (20) inside. The cylinders (11) are positioned on the base member (10) separately to each other, and are supplied with hydraulic oil from the hydraulic chamber (20). Each of the plurality of pistons (12) has: a piston body (30) movably positioned in the cylinder (11); and a rod (31), one end of which is able to touch the piston body (30), and the other end of which protrudes from the cylinder (11) and is linked to the release bearing unit (2).

Description

Clutch release assembly
Technical field
The present invention relates to clutch release assembly, especially relating to the clutch release assembly for removing the clutch plate pressing force applied by the pressing component of clutch device.
Background technique
Be set up at for motor vehicle clutch device, be provided with clutch pedal and carry out the oil pressure type clutch segregating unit of work.This clutch release assembly comprises: driven cylinder body, withdrawal fork and release bearing unit.Driven cylinder body is driven by the oil pressure that produces with the Master cylinder body that clutch pedal is directly connected.Release bearing unit moves via withdrawal fork under the driving of this driven cylinder body.Then, release bearing unit removes the connection of clutch by the lever front end of the diaphragm spring of pressing clutch device.
At this, the moment of torsion transfer capacity making clutch along with the high output of motor is needed to increase.So, if the transfer capacity of clutch moment of torque increases, then cause the lock out operation power of clutch to increase thereupon.Therefore, as shown in patent documentation 1, provide a kind of segregating unit, it does not use traditional withdrawal fork etc. and driving mechanism Direct driver release bearing unit by being made up of cylinder body and piston.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2011-226492 publication
Summary of the invention
Problem to be addressed by invention
As mentioned above, when removing the connection of clutch, the lever front end of release bearing unit pressing diaphragm spring.Now, the height due to the foozle of clutch cover, assembly error or lever front end is uneven, and the load existed when being separated acts on the situation of whole release bearing unit unevenly.
Like this, when load acts on whole release bearing unit unevenly, release bearing unit produces.So, cause the piston be connected with release bearing unit also to tilt, and then cause piston to inboard wall of cylinder block strong collision partly.Therefore, produce piston to slide steadily or the problem such as the wearing and tearing increase of piston and inboard wall of cylinder block.
Problem of the present invention is, makes pistons work by oil pressure, and then makes, in the clutch release assembly of release bearing unit movement, to make piston work reposefully and suppress the wearing and tearing of piston or cylinder body.
For solving the means of problem
Clutch release assembly involved by a first aspect of the present invention is the device of the clutch plate pressing force for removing the pressing component from clutch device, comprises release bearing unit, base component, multiple cylinder body, multiple piston and oil pressure supply unit.Release bearing unit moves along the running shaft of clutch device, for removing the pressing from pressing component.Base component has hydraulic chamber in inside.Multiple cylinder body is configured on base component respectively discretely, is supplied to working oil from hydraulic chamber.Multiple piston has respectively: piston main body, is configured in cylinder body to described piston main body freedom of movement; And push rod, one end of described push rod can abut with piston main body, and the other end is given prominence to from cylinder body and is connected with release bearing unit.Oil pressure supply unit is arranged on base component, makes the working oil of multiple pistons work be supplied to hydraulic chamber by being used for.
In the apparatus, when working oil is supplied to multiple cylinder body from the oil pressure supply unit be arranged at base component via hydraulic chamber, the piston main body be arranged in each cylinder body slides, and then pushes push rod and make release bearing unit work.Thus, the connection of clutch device is removed.
At this, piston is made up of the piston main body slided in cylinder body and push rod two parts of being connected with release bearing unit.Therefore, even load acts on release bearing unit and situation that release bearing unit has tilted unevenly, piston main body tilts also to be suppressed.Therefore, piston main body and inboard wall of cylinder block wearing and tearing are suppressed.
Clutch release assembly involved by a second aspect of the present invention is, according to the device of first aspect, push rod is connected with release bearing unit by detachable pin.
At this, the connection of the push rod of release bearing unit and piston easily can be removed by unloading downside pin.Therefore, the assembling of device or the replacing operation of release bearing unit become easy.
Clutch release assembly involved by a third aspect of the present invention is, according to first or the device of second aspect, one of them of the end face against each other of piston main body and push rod is sphere.
At this, as mentioned above, piston is made up of piston main body and push rod two parts, and at least one of both bearing surfaces is formed sphere, even therefore push rod situation about having tilted, also can alleviate the impact to piston main body, piston main body can be made to slide reposefully in cylinder body.
Clutch release assembly involved by a fourth aspect of the present invention is, according to any one device from the first to the third aspect, base component have ring-type the first base plate and and the first base plate be oppositely disposed and between the first base plate, form the second base plate of the ring-type of hydraulic chamber.
At this, because base component is made up of two plates, therefore, it is possible to form base component at an easy rate with simple structure.
Clutch release assembly involved by a fifth aspect of the present invention is, according to the device of fourth aspect, the mutual peripheral end of the first base plate and the second base plate and inner peripheral end thereof whole all-round soldered.
At this, by mutual peripheral end and inner peripheral end thereof being welded to one another in the plate of two ring-types by two plates between seal.Thereby, it is possible to form hydraulic chamber simply.
Clutch release assembly involved by a sixth aspect of the present invention is, according to the device of the 4th or the 5th aspect, the second base plate has opening on the multiple positions comprising the position being configured with multiple cylinder body.Multiple cylinder body has respectively: assembly department, and described assembly department is clipped between the first base plate and the second base plate; And main body cylinder block, described main body cylinder block is outstanding to clutch device side from the opening of through second base plate of assembly department.
Clutch release assembly involved by a seventh aspect of the present invention is, according to the device of the 6th aspect, oil pressure supply unit comprises: pipe, and described pipe is used for from outside supply oil pressure; And bracket, described bracket is arranged on base component, and connecting pipe thus for the working oil from pipe is directed into hydraulic chamber.In addition, bracket has: assembly department, and described assembly department is clipped between the first base plate and the second base plate; And bracket main body, described bracket main body is outstanding to clutch device side from the opening of through second base plate of assembly department.Further, pipe is connected with the front end of bracket main body.
At this, the supplying mouth of oil pressure is made up of bracket.And bracket is arranged in the hydraulic chamber that its assembly department is configured between the first base plate and the second base plate, and bracket main body is given prominence to from assembly department.
Therefore, it is possible to form the supplying mouth of oil pressure substantially in parallel with running shaft, radial miniaturization can be realized.
Clutch release assembly involved by a eighth aspect of the present invention is, according to any one device in the from first to the 7th aspect, also comprises the force application part of release bearing unit to the direction force be separated from base component.
By this force application part, release bearing unit can be pressed to clutch device.That is, precompressed can be applied to the separating mechanism of clutch device.Therefore, it is possible to eliminate the gap between release bearing unit and clutch device, can suppress owing to vibrating the noise produced.
The effect of invention
According to the present invention such above, made pistons work by oil pressure and then making in the clutch release assembly of release bearing unit movement, piston can made to work reposefully and suppress piston and cylinder body wearing and tearing.
Accompanying drawing explanation
Fig. 1 is the plan view of the clutch release assembly that the first mode of execution of the present invention relates to.
Fig. 2 is the II-II line sectional view of Fig. 1.
Fig. 3 is the III-III line sectional view of Fig. 1.
Fig. 4 is the cylinder body of Fig. 2 and the enlarged view of piston portion.
Fig. 5 is the enlarged view of the bracket portion of Fig. 3.
Fig. 6 is the figure of the Fig. 2 being equivalent to the second mode of execution of the present invention.
Embodiment
First mode of execution
Overall structure
Fig. 1 ~ Fig. 3 illustrates the clutch release assembly that the first mode of execution of the present invention relates to.Fig. 1 is the plan view of this device, and Fig. 2 is the II-II line sectional view of Fig. 1, and Fig. 3 is the III-III line sectional view of Fig. 1.
Although not shown, but in Fig. 2 and Fig. 3, clutch device is configured in the left side of clutch release assembly 1.Clutch device mainly comprises the clutch plate be pressed on flywheel, for clutch plate being pressed on the pressure plate on flywheel and the diaphragm spring to pressure plate applying pressing force.
Clutch release assembly 1 comprises the clutch separation cylinder apparatus 3 of release bearing unit 2 and hydraulic type.And clutch release assembly 1 by the inner peripheral end thereof of diaphragm spring being pushed to engine side, thus removes diaphragm spring to the pressing of pressure plate.
Release bearing unit 2
Release bearing unit 2 has: the separating plate 5 abutted with the inner peripheral end thereof of not shown diaphragm spring, be installed on the release bearing 6 on separating plate 5 and be fixed on the connecting plate 7 of release bearing 6 periphery.
Separating plate 5 have ring-type press part 5a and from the inner ring supporting portion 5b that the inner peripheral portion of press part 5a extends vertically.The side of press part 5a can be connected to the inner peripheral end thereof of diaphragm spring.Inner ring supporting portion 5b supports the inner ring of release bearing 6.
Connecting plate 7 has supporting portion 7a, bearing support portion 7b and joint 7c.Supporting portion 7a is formed as ring-type and cross section L-shaped.Supporting portion 7a is configured at the side of release bearing 6, supports loaded spring (aftermentioned).Joint 7c is equiangularly arranged at intervals at three places of the peripheral part of supporting portion 7b in the circumferential direction.Bearing support portion 7b extends vertically, supports release bearing 6.Joint 7c extends outward from the front end radius vector of bearing support portion 7b and is formed, and has connection hole 7d through in the axial direction.
Clutch separation cylinder apparatus 3
Clutch separation cylinder apparatus 3 comprises: base component 10, three cylinder bodies 11, be arranged at piston 12, oil pressure introduction part (oil pressure supply unit) 13 and oil pressure discharge portion 14 in three cylinder bodies 11 respectively.
Base component 10
Base component 10 has the first base plate 15 and the second base plate 16 that are formed ring-type respectively and three liners 17 (with reference to Fig. 3) be configured between these two base plates 15,16.Two base plates 15,16 are such as sheet metal system.
First base plate 15 is configured in and clutch device opposite side (in fig. 2 right side).First base plate 15 is smooth circular plate shape, in the circumferential direction overhead open the interval of regulation and be formed with three location hole 15a (with reference to Fig. 3).
Second base plate 16 is configured to relative with the first base plate 15 in the axial direction.Second base plate 16 is formed as ring-type as mentioned above.And, the inner peripheral edge portion 16a of the second base plate 16 and peripheral edge portion 16b whole all-round on to the first base plate 15 curving.
In the second base plate 16, the inner circumferential wall portion of the periphery wall portion of the front end of inner peripheral edge portion 16a and the front end of peripheral edge portion 16b is formed with connection groove 16c, 16d respectively.The inner peripheral edge portion of the first base plate 15 and peripheral edge portion are connected with this by laser bonding and connect with groove 16c, 16d, thus, between the first base plate 15 and the second base plate 16, define hydraulic chamber 20.In addition, the laser bonding of the first base plate 15 and the second base plate 16 is by carrying out from irradiating laser with clutch device opposite side.
In addition, as shown in FIG. 2 and 3, the second base plate 16 is formed with two bracket opening 16e, three cylinder body opening 16f and hole, location 16g.In addition, as shown in Figure 1, the opening be formed in oil pressure discharge portion 14 in two bracket opening 16e is formed in when being installed on vehicle by this device and is configured on such position, top.
As shown in Figure 3, liner 17 is the ring-shaped members with the through hole 17a that device installation bolt inserts, and has the limited part 17b be formed on peripheral part and the positioning part 17c be formed on central part.Limited part 17b is configured to be sandwiched between the first base plate 15 and the second base plate 16, and thus, the gap between two base plates 15,16 is set to the gap specified.Positioning part 17c is formed from limited part 17b outstanding to both sides, and the part outstanding to side is inserted into hole, the location 15a of the first base plate 15, and the part outstanding to opposite side is inserted into hole, the location 16g of the second base plate 16.Thus, two base plates 15,16 are located in the circumferential direction.
In addition, the two sides of the limited part 17b of liner 17 is formed the annular slot of Sealing, Sealing 22 is installed in seal groove.
Cylinder body
Three cylinder bodies 11 are all same structures, are configured in respectively on the cylinder body opening 16f of the second base plate 16.
As shown in the Fig. 4 after a part of Fig. 2 is amplified, cylinder body 11 has main body cylinder block 25, the mounting flange portion 26 be formed in the mode expanded laterally on the end of main body cylinder block 25, lid 27 and dust sealing 29.
The front end of main body cylinder block 25 is formed the opening 25a that piston 12 is through.Mounting flange portion 26 is configured in hydraulic chamber 20, is the thickness identical with the thickness of the limited part 17b of liner 17.The clutch device side end face in mounting flange portion 26 is formed with annular slot 26a, in this annular slot 26a, is configured with Sealing 28.Thus, the working oil in hydraulic chamber 20 would not leak from the opening 16f of the second base plate 16.In addition, on the end face of the opposite side in mounting flange portion 26, be formed with working oil path 26b.Working oil path 26b is formed by the groove being formed on the end face in mounting flange portion 26, mutually orthogonal Rack.
In addition, the front end of the opening 25a of main body cylinder block 25 is formed with annular slot 25b, this annular slot 25b is configured with dust sealing 29.And lid 27 is installed on the front end of main body cylinder block 25, and dust sealing 29 is remained in annular slot 25b by this lid 27.In addition, lid 27 is formed with the hole 27a that diameter is larger than the opening 25a of main body cylinder block 25.
Piston 12
As shown in Figure 4, be configured at respectively in multiple cylinder body 11 to piston 12 freedom of movement, there is piston main body 30 and push rod 31.
Piston main body 30 is slidably configured in the inside of cylinder body 11.Piston main body 30 has the first guide portion 30a and the second guide portion 30b that are formed at axial two ends and is formed at diameter between two guide portion 30a, 30b sealing assembly department 30c less than the diameter of two guide portion 30a, 30b.Each guide portion 30a, 30b slidably with the contact internal walls of cylinder body 11, as piston main body 30 mobile guiding and work.Sealing assembly department 30c is provided with Sealing 33, prevents the working oil of cylinder body 11 inside from spilling to push rod 31 side.
Push rod 31 is configured at the clutch device side (in middle left sides such as Fig. 2) of piston main body 30.It is inner that the part of piston main body 30 side of push rod 31 is contained in cylinder body 11, the opening 25a of the through main body cylinder block 25 of forward end of push rod 31 and project to the outside of cylinder body 11.
In addition, the end of piston main body 30 side of push rod 31 is formed with the diameter part 31a larger than other parts, this end face is formed as the sphere expanded to piston main body 30 side.That is, an end of push rod 31 is formed with spheric seating 31a, the end contact of the end face of this spheric seating 31a and the first guide portion 30a of piston main body 30.
Further, the front end of another side of push rod 31 is formed with the joint 31b that diameter is less than other parts.This joint 31b is formed through the connection hole 7d on connecting plate 7.And, the joint 31b of push rod 31 is formed with radially through hole 31c, cotter pin (snap pin) 34 is installed in the 31c of hole.By this cotter pin 34, the front end of piston 12 is connected with connecting plate 7.
Oil pressure introduction part 13 and oil pressure discharge portion 14
Oil pressure introduction part 13 is the parts working oil being used for multiple piston 12 is worked being supplied to each cylinder body 11 via hydraulic chamber 20.As shown in Figure 3, this oil pressure introduction part 13 comprises pipe 36 and the bracket 37 of oil pressure supply.Pipe 36 is connected with not shown oil pressure supply source, and its front end is connected with bracket 37.
As Fig. 3 and a part of Fig. 3 to be amplified and shown in Fig. 5 of illustrating, bracket 37 has the bracket main body 38 and lip part 39 of installing pipe 36.
Bracket main body 38 is formed as cylindric, has that the pipe maximum erection opening 38a of internal diameter, the diameter sealing hole 38b less than erection opening 38a and pipe 38 front end inserted is chimeric uses hole 38c from clutch device side successively.The clip (clip) 40 of U-shaped is inserted into erection opening 38a from the periphery of bracket main body 38, and pipe 36 is fixed in bracket 37 thus.In sealing with in the 38b of hole, in sealing with between the bottom of hole 38b and the bulge 36a of pipe 36, be configured with Sealing 41 and the baffle plates 42 such as two O type circles respectively.Baffle plate 42 is the parts for preventing Sealing 41 from extruding from gap.
Lip part 39 is configured to be sandwiched between the first base plate 15 and the second base plate 16.The face of the second base plate 16 side of lip part 39 is formed the annular slot 39a of Sealing, in seal groove 39a, Sealing 43 is installed.In addition, the face of the first base plate 15 side of lip part 39 is formed with working oil path 39b.The working oil supplied via pipe 36 is fed in hydraulic chamber 20 via this working oil path 39b.
As ise apparent from FIG. 1, oil pressure discharge portion 14 is configured to above being installed on and being positioned under the state on vehicle.This oil pressure discharge portion 14 is structures completely same with oil pressure introduction part 13, omits detailed description.In addition, in oil pressure discharge portion 14, the region of pipe 47 more top than hydraulic chamber 20 is configured with liner 45 (with reference to Fig. 1).By this liner 45, can prevent air trapping in hydraulic chamber 20 than the region of pipe 47 more top of oil pressure discharge portion 14.
In addition, on the front end of the pipe 47 be connected with oil pressure discharge portion 14, the bleed valve (bleeder) 49 of bleeding is provided with.
Precompressed spring
As shown in Figure 2, in the axial direction, between the supporting portion 7a and the second base plate 16 of connecting plate 7, precompressed spring 46 is provided with.Precompressed spring 46 is maximum at the second base plate 16 side coil diameter, and go along with to connecting plate 7 side, coil diameter diminishes.By this precompressed spring 46, release bearing unit 2 exerts a force to clutch device side all the time.Therefore, release bearing unit 2 separating plate 5 will all the time with the lever of the diaphragm spring of clutch device before end in contact.
Action
Under the state not yet supplying working oil to clutch release assembly 1, release bearing unit 2 is exerted a force to clutch device side with spring 46 by precompressed.Therefore, the separating plate 5 of release bearing unit 2 abuts with the inner peripheral end thereof of the diaphragm spring of clutch device.But the force power of precompressed spring 46 is not the size being enough to the pressing force removing diaphragm spring.
When being separated by clutch device, working oil is supplied to bracket 37 via the pipe 36 of oil pressure introduction part 13.Owing to being formed with working oil path 39b in the bottom of bracket 37, therefore working oil is supplied to the inside of hydraulic chamber 20 via this oil circuit 39b.The working oil being supplied to hydraulic chamber 20 is supplied to each cylinder body 11.Specifically, the working oil being supplied to hydraulic chamber 20 via be formed at cylinder body 11 mounting flange portion 26 end face on working oil path 26b and be supplied to the inside of cylinder body 11.Thus, piston main body 30 moves to clutch device side.Then, piston main body 30 pushes the spheric seating 31a of push rod 31, and push rod 31 is outstanding to clutch device side thus.Along with this push rod 31 is given prominence to, clutch release bearing unit 2 moves to clutch device side, and then pushes the inner peripheral end thereof of not shown diaphragm spring.Therefore, remove the pressing force of diaphragm spring, and then remove the connection of clutch.
In addition, at the assembling initial stage etc., air is mixed into in the oil pressure path of clutch release assembly 3 sometimes.In this case, unclamp the bleed valve 49 be connected with the end of pipe 47, and apply oil pressure to oil pressure introduction part 13.Thereby, it is possible to the air be mixed into in the oil pressure path of this device is got rid of together with working oil.Now, in hydraulic chamber 20, do not have space owing to there is liner 45 at the pipe 47 more top place than oil pressure discharge portion 14, therefore air will never residue in hydraulic chamber 20.
Feature
(1) piston 12 is divided into piston main body 30 and push rod 31.Therefore, even if tilted in this case at release bearing unit 2, tilting force has not directly acted on piston main body 30 yet.Therefore, piston main body 30 can slide reposefully in cylinder body 11, and then suppresses the inner wall abrasion of piston main body 30 and cylinder body 11.
(2) owing to making the end face of piston main body 30 abut with the ball seat surface 31a of push rod 31, even if therefore when release bearing unit 2 tilts, also can make to become less to the impact of piston main body 30.
(3) owing to being connected with connecting plate 7 by push rod 31 by cotter pin 34, therefore push rod 31 becomes easy with the handling of connecting plate 7.Therefore, assembling operation becomes easy, and, in the situation that release bearing has broken down etc., only can change bearing simply.
(4) in oil pressure introduction part 13 and oil pressure discharge portion 14, owing to being sealed by two pairs of Sealings 41 and baffle plate 42, therefore, it is possible to reliably suppress working oil to spill from these parts.
(5) in the joint of the first base plate 15 and the second base plate 16, the inner peripheral edge portion 16a of the second base plate 16 and peripheral edge portion 16b is made to have erected shape, form groove 16c, 16d in their inside simultaneously, the end of periphery in the first base plate 15 is embedded in these grooves 16c, 16d and welds.Therefore, it is possible to make the compression area of the second base plate 16 of formation hydraulic chamber 20 diminish, and then can suppress to make the second base plate 16 be out of shape due to operating oil pressure.
Second mode of execution
Fig. 6 illustrates the second mode of execution of the present invention.This second mode of execution only has the structure of piston different from the first mode of execution, and other structures are all same.
Piston 50 is made up of piston main body 51 and lining (collar) 52.
Piston main body 51 is slidably configured in the inside of cylinder body 11.Piston main body 51 has: the first guide portion 51a and the second guide portion 51b, the push rod portion 51d being formed at the sealing assembly department 51c between these two guide portions 51a, 51b and extending to clutch device side in the axial direction from the first guide portion 51a.Each guide portion 51a, 51b are slidably contacted with the inwall of cylinder body 11, work as the moving guiding of piston main body 51.Sealing assembly department 51c is provided with Sealing 33, and then prevents the working oil of cylinder body 11 inside from spilling to lining 52 side.The front end of push rod portion 51d is formed radially through hole 51e.
Lining 52 is parts of tubular, and it is inner that end side is contained in cylinder body 11, thus abut with the side of the first guide portion 51a of piston main body 51.In addition, the other end side of lining 52 projects to the outside of cylinder body 11.The convex edge 52a that diameter is larger than other parts is formed, this convex edge 52a support and connection plate 7 in another side of lining 52.
Further, the front end of another side of lining 52 is formed with the joint 52b that diameter is less than other parts.This joint 52b is formed through the connection hole 7d on connecting plate 7.And, joint 52b is formed radially through hole.This hole is formed on the position identical with the hole 51e of piston main body 51, is provided with cotter pin 34 in this some holes.By this cotter pin 34, the front end of piston 50 is connected with connecting plate 7.
In this second embodiment, also action effect same with the first mode of execution except the action effect of the spheric seating in the first mode of execution is obtained.
Other mode of executions
The present invention is not limited to mode of execution as described above, without departing from the scope of the present invention, can carry out various distortion or correction.
A () in the above-described embodiment, although constitute base component by two sheet metal making sheet, also can be made up of such as resin.In addition, for cylinder body, punch process formation or be molded with resin etc. does not also limit especially.
Although b () secures two plates forming base component by welding, also can be fixed by methods such as the fixed block such as Sealing and bolt or riveted joints.
C the number of () cylinder body and piston is not limited to above-mentioned mode of execution.
D () in the above-described first embodiment, although be provided with spheric seating on the end face of push rod, also can arrange spheric seating in piston main body side.In addition, also on push rod and piston main body both sides, all spheric seating can be set.
Industrial usability
According to the present invention, make pistons work by oil pressure, and then making in the clutch release assembly of release bearing unit movement, piston can be made to work reposefully and suppress the wearing and tearing of piston and cylinder block.
The explanation of symbol
1 clutch release assembly; 2 release bearing units; 3 clutch separation cylinder apparatus; 10 base components; 11 cylinder bodies; 12,50 pistons; 15 first base plates; 16 second base plates; 20 hydraulic chamber; 30,51 piston main bodies; 31,52 push rods; 31a spheric seating; 34 cotter pins; 36,47 pipes; 37 brackets; 46 precompressed springs

Claims (8)

1. a clutch release assembly, for removing the clutch plate pressing force of the pressing component from clutch device, wherein, described clutch release assembly comprises:
Release bearing unit, the running shaft along described clutch device moves, for removing the pressing from described pressing component;
Base component, has hydraulic chamber in inside;
Multiple cylinder body, is configured at discretely respectively on described base component, is supplied to working oil from described hydraulic chamber;
Multiple piston, described piston comprises piston main body and push rod respectively, is configured in described cylinder body to described piston main body freedom of movement; One end of described push rod can abut with described piston main body, and the other end is given prominence to from described cylinder body and is connected with described release bearing unit; And
Oil pressure supply unit, is arranged on described base component, makes the working oil of described multiple pistons work be supplied to described hydraulic chamber by being used for.
2. clutch release assembly according to claim 1, wherein,
Described push rod is connected with described release bearing unit by detachable pin.
3. clutch release assembly according to claim 1 and 2, wherein,
At least one end face in the end face against each other of described piston main body and described push rod is sphere.
4. the clutch release assembly according to any one in claims 1 to 3, wherein,
Described base component has the first base plate of ring-type and the second base plate of ring-type, and the second base plate of described ring-type and described first base plate are oppositely disposed and between described first base plate, form described hydraulic chamber.
5. clutch release assembly according to claim 4, wherein,
The mutual peripheral end of described first base plate and described second base plate and inner peripheral end thereof whole all-round on sealed.
6. the clutch release assembly according to claim 4 or 5, wherein,
Described second base plate has opening on the multiple positions comprising the position being configured with described multiple cylinder body,
Described multiple cylinder body comprises assembly department and main body cylinder block respectively, and described assembly department is clipped between described first base plate and described second base plate; Described main body cylinder block is outstanding to clutch device side from the opening of through described second base plate of described assembly department.
7. oil pressure type clutch segregating unit according to claim 6, wherein,
Described oil pressure supply unit comprises: pipe and bracket, and described pipe is used for from outside supply oil pressure; Described bracket is arranged on described base component, and is connected with described pipe, for the working oil from pipe is directed into described hydraulic chamber,
Described bracket has: assembly department and bracket main body, and described assembly department is clipped between described first base plate and described second base plate; Described bracket main body is outstanding to clutch device side from the opening of through described second base plate of described assembly department,
Described pipe is connected with the front end of described bracket main body.
8. the clutch release assembly according to any one in claim 1 to 7, wherein,
Described clutch release assembly also possesses force application part, and described force application part exerts a force to the direction be separated from described base component to described release bearing unit.
CN201380046365.1A 2012-09-14 2013-09-09 Clutch release apparatus Pending CN104641139A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012202228A JP2014055658A (en) 2012-09-14 2012-09-14 Clutch release device
JP2012-202228 2012-09-14
PCT/JP2013/074203 WO2014042112A1 (en) 2012-09-14 2013-09-09 Clutch release apparatus

Publications (1)

Publication Number Publication Date
CN104641139A true CN104641139A (en) 2015-05-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380046365.1A Pending CN104641139A (en) 2012-09-14 2013-09-09 Clutch release apparatus

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