CN2211383Y - Hydraulic clutch departing unit - Google Patents

Hydraulic clutch departing unit Download PDF

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Publication number
CN2211383Y
CN2211383Y CN 94222232 CN94222232U CN2211383Y CN 2211383 Y CN2211383 Y CN 2211383Y CN 94222232 CN94222232 CN 94222232 CN 94222232 U CN94222232 U CN 94222232U CN 2211383 Y CN2211383 Y CN 2211383Y
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CN
China
Prior art keywords
thrust bearing
operating
cylinder
release thrust
operating cylinder
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Expired - Fee Related
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CN 94222232
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Chinese (zh)
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赵杰
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Individual
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Individual
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Priority to CN 94222232 priority Critical patent/CN2211383Y/en
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  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

The utility model relates to a hydraulic clutch departing apparatus, which can provide an operating oil cylinder with pressure oil through operating a hydraulic master cylinder by a floor sheet. A piston push rod of the operating oil cylinder pushes a departing fork and a departing bearing to drive a clutch to depart, and the operating oil cylinder is arranged in the gap of a gearbox casing on the side upper part of a speed-changer of the departing bearing and is integrated with a guide sleeve of the departing bearing through a connecting plate which extends downward vertically from the front end of the operating oil cylinder in integration mode, wherein, the end of the operating oil cylinder and a fork-like free end of a release yoke connected with the operating oil cylinder are butted and connected with the departing bearing. Therefore, a Santana can be rebuilt into a hydraulic car so long as changing the guide sleeve without changing the inner structure of the gearbox.

Description

Hydraulic clutch departing unit
The utility model relates to a kind of fluid pressure type autoclutch disengagement gear, relates in particular to the fluid pressure type disengagement gear of the improvement of car Santana of being specially adapted to adopt at present the mechanical type disengagement gear etc.
What car Santana adopted at present is mechanical type autoclutch disengagement gear, its disengaging movement passes to release thrust bearing from pedal again through drag-line, declutch shift shaft rocking arm, declutch shift shaft, shift fork, mutual motion between these parts is very complicated, make the mechanical efficiency of transmitting movement low, and, require great effort during manipulation because the position of generation slide relative friction is quite a lot of.And, more above-mentioned sliding friction positions often are difficult for maybe can not being lubricated maintenance with oil for various reasons, when action, be in the dry grinding state, cause these parts very easily to wear and tear even damage and have to often change, when chaufeur was stepped on pedal after simultaneously, parts were worn will be more painstaking.
Existing a kind of fluid pressure type autoclutch disengagement gear as shown in Figure 1, the operating cylinder 101 of the hydraulic efficiency pressure system of action is installed in the outside of gear box casing 102 by pedal (not shown) manipulation, its piston push rod 103 stretches in the housing 102, with the upper end 104a butt of operating fork 104.The bottom 104b of operating fork 104 is hinged on the housing 102 by the fulcrum 102a that is located on the housing 102.The roughly centre portion of operating fork 104 is divided into two bifurcateds, lays respectively at the radially both sides of the bearing guide bush 106 of release thrust bearing 105 rear sides, and it protrudes forward holds the trailing flank butt that pushes away face 104c and release thrust bearing 105.In addition, 107 is the axis hole of driven shaft (not shown).When stepping on push rod 103 that pedal makes operating cylinder 101 and move forward, operating fork 104 is urged and swings forward around fulcrum 102a, and it holds and pushes away face 104c and promote release thrust bearing 105 and promptly move to the power-transfer clutch direction forward, thereby disengages the clutch.Adopt this disengagement gear, because promote operating fork by hydraulic efficiency pressure system, the member of doing relative motion is less, and hydraulic efficiency pressure system has boosting function again, and is so its parts are difficult for being worn, also more laborsaving during manipulation.But this fluid pressure type disengagement gear but can not replace the mechanical type disengagement gear in the car Santana simply.Because, in the change speed gear box of car Santana, the locus that release thrust bearing and guide bush thereof can be installed is very limited, if will make mechanical type into fluid pressure type, with the shift fork in the replacement of the operating fork in the above-mentioned fluid pressure type disengagement gear mechanical type, then as shown in Figure 2, because long operating fork 104 has been installed, release thrust bearing 105 will be pressed against spline 108 positions of original installation clutch driving disc.That is to say, if will make the disengagement gear of car Santana into aforesaid fluid pressure type by mechanical type, just must increase driven shaft is the length of change speed gear box, otherwise must change the inner structure of change speed gear box, make the installation portion of operating fork 104 energy, not influence the installation of clutch driving disc near guide bush 106.Obviously, such repacking cost is too high, impracticable.
In view of the foregoing, the purpose of this utility model is, a kind of fluid pressure type disengagement gear that can replace the mechanical type disengagement gear easily is provided, promptly, when repacking mechanical type into fluid pressure type, the mechanical parts such as the shift fork in removing former mechanical device, declutch shift shaft, declutch shift shaft rocking arm and drag-line, needn't change housing and inner other structures of former change speed gear box and just this fluid pressure type disengagement gear can be installed easily.
In order to achieve the above object, a kind of hydraulic clutch disengagement gear that the utility model provides, comprise: handle and use pedal, be contained on the driven shaft of change speed gear box, the pushing power-transfer clutch makes the release thrust bearing of its separation, guide bush for the release thrust bearing guiding, trailing flank crimping with release thrust bearing, promote the operating fork of this release thrust bearing, promote the operating cylinder of this operating fork, the hydraulic main cylinder of pressure oil is provided to this operating cylinder, its characteristics are, described operating cylinder is configured in the gear box casing interstice coverage that described release thrust bearing rear side is the transmission side top, be integral connecting panel and the described guide bush formation one that the ground approximate vertical is extended downwards from the cylinder body front end of described operating cylinder, the piston of described operating fork and described operating cylinder forms one, the forked end portions of operating fork and described release thrust bearing butt.
The another kind of fluid pressure type autoclutch disengagement gear that the utility model provides, comprise: the operation pedal, be contained on the driven shaft of change speed gear box, the pushing power-transfer clutch makes the release thrust bearing of its separation, guide bush for the release thrust bearing guiding, trailing flank crimping with release thrust bearing, promote the operating fork of this release thrust bearing, promote the operating cylinder of this operating fork, the hydraulic main cylinder of pressure oil is provided to this operating cylinder, it is characterized in that, described operating cylinder is configured in the gear box casing interstice coverage that described release thrust bearing rear side is the transmission side top, and be integral the connecting panel and described guide bush formation one that the ground approximate vertical is extended downwards by cylinder body front end from described operating cylinder, in the push rod of described operating cylinder, the outer end is hinged with the roughly middle part of the piston nose portion of this operating cylinder and described operating fork respectively, the cardinal extremity of described operating fork is hinged on the leading section top of described operating cylinder, its another forked free end and described release thrust bearing butt.
Aforesaid fluid pressure type disengagement gear, because its operating cylinder is configured in the gear box casing interstice coverage of release thrust bearing back side top, the connecting panel and the guide bush that form one with operating cylinder form one, so, by installing and fixing of guide bush, this operating cylinder also is fixed in the change speed gear box, and does not occupy the home position of any parts.Again because its operating fork is shorter, its base end part or fuse with the piston of operating cylinder perhaps is articulated in the leading section top of operating cylinder, its free end end be forked and with the release thrust bearing butt, so that institute occupies is very little, former shift fork position is enough.Therefore, even for the very limited change speed gear box in locus as car Santana, needn't change the installation site of release thrust bearing or guide bush, also needn't change other inner structure of gear box casing and change speed gear box, can easily the mechanical type disengagement gear be transformed into the fluid pressure type disengagement gear, thus service life of elongated component and alleviate the workload of chaufeur.
Further specify constructional feature of the present utility model and action effect thereof below in conjunction with accompanying drawing.
In the accompanying drawing:
Fig. 1 is existing a kind of fluid pressure type autoclutch disengagement gear scheme drawing.
Fig. 2 is a scheme drawing, and instruction diagram 1 shown device is not suitable for the situation of the change speed gear box of car Santana.
Fig. 3 is the structural representation of the 1st embodiment of the utility model fluid pressure type autoclutch disengagement gear.
Fig. 4 is the action scheme drawing when device shown in Figure 3 is stepped on pedal and moved;
Fig. 5 is the installation site scheme drawing of operating cylinder of the present utility model in the car Santana change speed gear box.
Fig. 6 is the structural representation of the utility model fluid pressure type autoclutch disengagement gear the 2nd embodiment.
Fig. 7 is the structural representation of the operating cylinder in the device shown in Figure 6.
Fig. 3 shows the schematic configuration of the utility model fluid pressure type autoclutch disengagement gear.
Shown in Fig. 3,4, pedal 1 is articulated in vehicle frame (not shown) by hinge-point 1a, the piston push rod 21 of the articulated hydraulic main cylinder 2 in position of its close hinge-point 1a.The oil inlet 2a of hydraulic main cylinder 2 links to each other with oil storage kettle 3 by an oil pipe, and oil outlet 2b links to each other with operating cylinder 5 by another oil pipe.The cylinder body leading section of operating cylinder 5 is provided with the connection board 5a that approximate vertical is extended downwards with being integral, and this installation portion 6a that connects board 5a and guide bush 6 is integrally formed.As shown in Figure 5, this guide bush 6 is the same with guide bush in the existing machinery formula disengagement gear, be fixed on the gear box casing 7 by the screwing through hole on its installation portion 6a, operating cylinder 5 then is placed in the interstice coverage of the gear box casing 7 that is positioned at driven shaft 8 tops, release thrust bearing 9 rear sides, and is fixed in housing and is fixed in housing simultaneously by the guide bush 6 that forms one with it.Again as shown in Figure 3, Figure 4, the piston 51 of operating cylinder 5, piston push rod 51a and operating fork 4 are integrally formed, the free end 4a of operating fork 4 is divided into two bifurcateds, and two bifurcateds lay respectively at the circumference both sides of guide bush 6, and the smooth bumps of its front side is positioned at the rear side of release thrust bearing 9.
The action of above-mentioned disengagement gear is as follows.Step on pedal 1 and make hydraulic main cylinder 2,, and promote release thrust bearings 9 by integrally formed with it operating fork 4 and promptly move forward, disengage the clutch to the power-transfer clutch direction so piston moves forward under pressure oil promotes to operating cylinder 5 fuel feeding.
In the present embodiment, the piston of operating cylinder 5 51 is integrally formed with operating fork 4, after can certainly making respectively, with being threaded etc. they is coupled together.
Fig. 6 shows the schematic configuration of the 2nd embodiment of the utility model fluid pressure type disengagement gear.The identical component part of symbolic representation same as shown in Figure 3 among the figure is also omitted explanation.As shown in Figure 6, operating cylinder 5 in the present embodiment also forms one with the installation portion 6a of guide bush 6, and, also be fixedly installed on the gear box casing 7 by several (being generally 3) the bolt hole 6b on the installation portion 6a, the base portion of operating cylinder 5 then is configured in the interstice coverage of housing 7 of release thrust bearing 9 back upper places, and this configuration and fixed form with the 1st embodiment shown in Figure 5 is identical.Different with the 1st embodiment is, operating fork 4 does not form one with piston, but the base end part 4b by operating fork 4 is articulated on the articulated stand 5a that is located at operating cylinder 5 leading sections top.The structure of operating cylinder 5 in cylinder body 501, is provided with the retracing spring 503 and the O-ring seals 504 of piston 502, pushing tow piston 502 as shown in Figure 7.Both ends, innner and outer 505a, the 505b of piston push rod 505 roughly become semisphere, they respectively be located at piston 502 front end faces and be located at the roughly hemispherical pit butt of operating fork trailing flank, form hinged state.In addition, 501a is the oil inlet of operating cylinder 5, and 501b is the oil drain hole of operating cylinder 5, the 506th, stop the jump ring of piston 502.The action of this disengagement gear is as follows: step on pedal 1 and pass through hydraulic main cylinder 2 to operating cylinder 5 fuel feeding.Pressure oil enters in the cylinder body 501 through oil inlet 501a, promoting piston 502 moves to the direction of operating fork 4, promote the direction swing of operating forks 4 by piston 502 through piston push rod 505 again, thereby make release thrust bearing 9 shift to power-transfer clutch and disengage the clutch to release thrust bearing 9.After loosening pedal 1, no longer the be under pressure effect of oil of pistons 502 in the operating cylinder 5, so, the effect of spring 503 is return piston 502 backward, release thrust bearing 9 also is subjected to the effect of retracing spring (not shown) and returns original position, operating fork 4 and piston push rod 505 also reset, and not shown power-transfer clutch recovers bonding state.
In the present embodiment, the piston push rod 505 of operating cylinder 5 is hinged by hemispherical end face and pit with piston 502 and operating fork 4, and it is hinged to adopt other articulated structures to realize.
In above-mentioned two embodiment, the cylinder body of operating cylinder and guide bush can be integrally formed, also can be captive joints again after making respectively.But in above-mentioned the 1st embodiment, because operating fork 4 can make piston 51 be subjected to anti-clockwise twisting resistance among the figure in the process that promotes release thrust bearing 9, make piston 51 be easy to be worn, therefore, in order to guarantee its service life, the excircle of piston 51 must have very high working accuracy, causes processing charges higher.And in above-mentioned the 2nd embodiment, operating fork 4 is not to captive joint with piston 52, but is connected by two hinge-points, therefore, piston 52 can not be subjected to twisting resistance substantially, and force-bearing situation is better than above-mentioned the 1st embodiment, so accuracy requirement is lower, can reduce processing charges.
In above-mentioned two embodiment, the installation site of operating cylinder is illustrated for the example (see figure 5) with the car Santana.But in fact, fluid pressure type disengagement gear described in the utility model also can be applied to have similar gearbox designs, and promptly to leave the position of operating fork for less, but the car of other models of the interstice coverage of similarly laying operating cylinder is arranged.

Claims (3)

1, a kind of fluid pressure type autoclutch disengagement gear, comprise: handle and use pedal, be contained on the driven shaft of change speed gear box, the pushing power-transfer clutch makes the release thrust bearing of its separation, guide bush for the release thrust bearing guiding, trailing flank crimping with release thrust bearing, promote the operating fork of this release thrust bearing, promote the operating cylinder of this operating fork, the hydraulic main cylinder of pressure oil is provided to this operating cylinder, it is characterized in that, described operating cylinder is configured in the gear box casing interstice coverage that described release thrust bearing rear side is the transmission side top, and be integral the connecting panel and described guide bush formation one that the ground approximate vertical is extended downwards by cylinder body front end from described operating cylinder, the piston of described operating fork and described operating cylinder forms one, the forked end portions of this operating fork and described release thrust bearing butt.
2, a kind of fluid pressure type autoclutch disengagement gear, comprise: handle and use pedal, be contained on the driven shaft of change speed gear box, the pushing power-transfer clutch makes the release thrust bearing of its separation, guide bush for the release thrust bearing guiding, trailing flank crimping with release thrust bearing, promote the operating fork of this release thrust bearing, promote the operating cylinder of this operating fork, the hydraulic main cylinder of pressure oil is provided to this operating cylinder, it is characterized in that, described operating cylinder is configured in the gear box casing interstice coverage that described release thrust bearing rear side is the transmission side top, and is integral connecting panel and the described guide bush formation one that the ground approximate vertical is extended downwards by the cylinder body front end from described operating cylinder; The end, innner and outer of the push rod of described operating cylinder is hinged with the roughly middle part of the piston nose portion of this operating cylinder and described operating fork respectively; The cardinal extremity of described operating fork is hinged on the leading section top of described operating cylinder, its another forked free end and described release thrust bearing butt.
3, disengagement gear as claimed in claim 2, it is characterized in that, the both ends, innner and outer of the push rod of described operating cylinder are roughly hemispherical, and they are respectively with the piston nose face of being located at this operating cylinder and be located at the roughly hemispherical pit butt of described operating fork trailing flank.
CN 94222232 1994-09-21 1994-09-21 Hydraulic clutch departing unit Expired - Fee Related CN2211383Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94222232 CN2211383Y (en) 1994-09-21 1994-09-21 Hydraulic clutch departing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94222232 CN2211383Y (en) 1994-09-21 1994-09-21 Hydraulic clutch departing unit

Publications (1)

Publication Number Publication Date
CN2211383Y true CN2211383Y (en) 1995-11-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 94222232 Expired - Fee Related CN2211383Y (en) 1994-09-21 1994-09-21 Hydraulic clutch departing unit

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CN (1) CN2211383Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105909741A (en) * 2016-04-28 2016-08-31 绍兴文理学院 Hydraulic operation belt type conical surface friction wheel automobile continuously variable transmission
CN105909743A (en) * 2016-04-28 2016-08-31 绍兴文理学院 Hydraulic operation conical surface friction wheel automobile continuously variable transmission
CN110864054A (en) * 2019-11-27 2020-03-06 安徽江淮汽车集团股份有限公司 Separation and reunion cylinder, separation and reunion system and vehicle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105909741A (en) * 2016-04-28 2016-08-31 绍兴文理学院 Hydraulic operation belt type conical surface friction wheel automobile continuously variable transmission
CN105909743A (en) * 2016-04-28 2016-08-31 绍兴文理学院 Hydraulic operation conical surface friction wheel automobile continuously variable transmission
CN110864054A (en) * 2019-11-27 2020-03-06 安徽江淮汽车集团股份有限公司 Separation and reunion cylinder, separation and reunion system and vehicle
CN110864054B (en) * 2019-11-27 2020-12-08 安徽江淮汽车集团股份有限公司 Separation and reunion cylinder, separation and reunion system and vehicle

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C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee