Automatic transmission is remanufactured with the differential mechanism demounting tool provided with handle sleeve
Technical field
The present invention relates to automatic transmission reconstruction technique field, more particularly to a kind of automatic transmission to remanufacture to use and be provided with handle
The differential mechanism demounting tool of gloves.
Background technology
Differential mechanism is a part in automatic transmission, and the shaft end of differential mechanism is provided with a screwed hole.In fluid drive
Take out, but bad during due to disassembling put forth effort and on differential mechanism from differential carrier sometimes for by differential mechanism in device rebuilding course
There is oil to produce skidding, so causing differential mechanism to be inconvenient when disassembling.
The content of the invention
The invention provides it is a kind of differential mechanism can easily be disassembled under automatic transmission remanufacture with being provided with handle
The differential mechanism demounting tool of set, solves the problems, such as inconvenience when automatic transmission is disassembled differential mechanism during remanufacturing.
Above technical problem is that solved by following technical proposal:A kind of automatic transmission, which remanufactures to use, is provided with handle sleeve
Differential mechanism demounting tool, the shaft end of differential mechanism is provided with screwed hole, it is characterised in that including pull bar and is connected to the one of pull bar
The holding rod at end, the other end of the pull bar are provided with the thread segment coordinated with the screwed hole, and the both ends of the holding rod all cover
Provided with handle sleeve, the holding rod and the pull bar link together in " T " font.In use, by by the same screw thread of thread segment
Hole is alignd, grip handle sleeve go to rotate holding rod and so that the thread segment in pull bar is threadedly coupled in screwed hole, Ran Houtong
Cross and hold handle sleeve and remove to grip holding rod and outside pull bar, differential mechanism is drawn outside pull bar, so as to realizing differential mechanism from differential
Take out, i.e., disassemble out differential mechanism in device shell.The direction of the power of outer drawing differential mechanism can easily be made with the axial direction one of screwed hole
Cause, it is easily laborsaving during outer drawing, it is convenient during gripping.
Preferably, the handle sleeve resilient sleeve is located at the holding rod, it is provided with and adjusts between the holding rod and handle sleeve
Save the elastic adjusting mechanism of the elastic force between handle sleeve and holding rod, the elastic adjusting mechanism include being set in holding rod it is outer and
The base tube being located in handle sleeve and the holding sheet being looped around outside the base tube, the holding sheet is by some pieces of weeks along base tube
Formed to the fricting strip of distribution, the fricting strip is provided with some slide bars radially extended along base tube, and the sliding bar is worn
In the base tube, the inner of the slide bar be provided be moved into outside driving slider and drive fricting strip with handle sleeve abut together the
Three springs, the elastic adjusting mechanism are additionally provided with the pretightning force adjustment structure for the pretightning force for adjusting the 3rd spring.This technology
Holding rod in scheme is flexible, comfortableness during so as to improve use, and the elastic effect in the technical program can also change
Become, to adapt to different needs.The specific regulation process of holding rod elasticity is to drive the 3rd bullet by pretightning force adjustment structure
Spring moves radially along base tube, so that fricting strip changes with the normal pressure of handle sleeve, so as to realize the change of pretightning force, makes
The size for obtaining the power that handle sleeve rocks relative to holding rod changes to reach different elastic effects.
Preferably, the pretightning force adjustment structure includes the cone of two tubular structures being supported on base tube outside holding rod
Forming head, driving conical head move axially and conical head can be made to stop at the driving structure of setting position and some push rods, institute
State two conical heads to be slidably connected in a manner of miner diameter end is arranged oppositely in the both ends of the base tube, the both ends of the push rod are put
Put on the conical surface of described two conical heads, all slide bars of same fricting strip are by the spring supporting same
Described in root on push rod, the slide bar of each piece of fricting strip is respectively supported by a push rod.During regulation, pass through axial direction
Push rod moving radially, so as to realize change of the push rod along base tube radial position along base tube is realized in the position for changing conical head,
So as to realize the change of the 3rd initial tension of spring.Convenience during regulation is good.
Preferably, the driving structure includes two jacking blocks being threaded in the both ends of the base tube, described two
Individual conical head is between described two jacking blocks.Drive conical head to realize regulation by rotating jacking block, adjust then automatic in place
Position, convenience during use is more preferable.
Present invention additionally comprises motor and powershift mechanism, the motor includes motor casing and motor shaft, the motor casing
It is fixed together with the holding rod, the pull bar is connected to one end of the motor shaft, and the powershift mechanism includes opening
The switch of the motor is moved, the pressing lever of the switch is driven, is slidably connected to motor shaft with what holding rod linked together
Latch and driving latch in holding rod are inserted into the insertion spring in motor shaft, and the latch is located at the switch and pressing lever
Between, the latch is provided with avoid holes, and the avoid holes, which are provided with, to be coordinated with the pressing lever to drive the latch to depart from motor
The driving inclined-plane of axle.The technical program can either by manual rotation's pull bar, also can pass through motor drive pull bar rotate.When logical
When crossing motor driving pull bar rotation, pressing lever is pressed, pressing lever to insert towards pressing driving inclined-plane while switch translation
Pin translation and with motor shaft depart from, pressing lever be moved to through avoid holes and be pressed into switch or be switched on and off sense when(If
Then sense for inductive switch)When, latch deviates to cause that holding rod disconnects with motor shaft and motor obtains completely from motor shaft
To startup, pull bar is driven to rotate and realize and thread segment is threadedly coupled in screwed hole after electric motor starting.When extracting pressing lever,
Switch off and make it that motor stops, because pressing lever loses the Intercepting effects to latch, being inserted in the presence of spring is inserted
Pin be inserted into again in motor shaft, now rotate holding rod when can drive motor shaft rotate, motor shaft driving pull bar rotate, namely
Manual rotation can be carried out.
Preferably, the motor is provided with binding post, the binding post includes insulator and is arranged at insulator
Wiring copper foil, the wiring copper foil are electrically connected with the coil of the motor, and the wiring copper foil is described provided with penetrating into
Wiring hole in insulator, sleeve is slidably connected in the wiring hole, and the sleeve includes axially being distributed along sleeve
Insulating segment and same wiring copper foil abut together with conductive segment, be provided with the insulator and pass through heat caused by wiring copper foil
The air cavity that is heated and it is used to drive conductive segment wrong with the wiring copper foil by what the gas expansion in air cavity was driven
The overload response cylinder opened.During to motor wiring, power line is inserted in sleeve and realizes the electrical connection with sleeve, normally
It is what is conducted to be linked together during state for conductive segment with wiring copper foil.Circuit can produce temperature rise when the load, in air cavity
Gas can produce expansion, overload response cylinder generation action during the gas expansion of air cavity and drive sleeve cunning in wiring hole
It is dynamic, response cylinder is then overloaded when temperature rise is to design temperature drive and slide into conductive segment to sleeve and stagger with wiring copper foil, from
And realize power-off;Temperature can decline after Failure elimination, and temperature declines the then contraction of gas in air cavity, and the result of contraction is to cause
Sleeve slides in wiring hole towards the anti-direction of same temperature rise phase, and when temperature returns to normal value, then conductive segment is same again
Wiring copper foil links together, automatically reset so as to realize.
Preferably, the overload response cylinder includes overload response cylinder block and overload response cylinder piston, it is described
The overload is responded cylinder block and is divided into closing chamber and open cavity by overload response cylinder piston, and the closing chamber is the same as the gas
Chamber is connected, and the overload response cylinder piston is linked together by connecting rod with the sleeve.It is simple in construction.Making side
Just.
Preferably, diameter parallel of the axis of the overload response cylinder piston with the adapter sleeve.It can improve
Carry reliability when response cylinder driving sleeve moves and further improve structural compactness.
Preferably, the wiring hole is vertically extending, the wiring copper foil is located at the lower end of the wiring hole, institute
The lower section that insulating segment is located at the conductive segment is stated, the insulating segment is sealed connected together with the wiring hole, the wiring hole
It is interior to be filled with conduction liquid.Repeatedly action can be avoided to produce electrical contact bad phenomenon after producing abrasion and prevent from producing during action
Raw sparking.
Preferably, the insulating segment is provided with the exterior seal ring for being sealed connected together insulating segment with wiring hole and is used for
The inner seal ring that insulating segment is sealed connected together with power line.It can both ensure that sleeve reliably seals with wiring copper foil
Resistance when linking together, and can reduce mobile.
Preferably, the inner peripheral surface of the insulating segment is provided with support ball.Resistance when further can reduce mobile, with
Improve sensitivity during dynamic overload response.
Preferably, the inner peripheral surface of the conductive segment is provided with the inner support shell fragment radially-inwardly to be arched upward along conductive segment, periphery
Face is provided with the outer support shell fragment radially outward to be arched upward along conductive segment.Reliability during relay contacts can either be improved, and can enough drops
Resistance when low mobile is to improve response sensitivity.
Preferably, the handle sleeve is rubber sleeve.Comfortableness during gripping can be improved.
Present invention tool has the advantage that:Can fast and easy effortlessly differential mechanism is disassembled.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention one.
Fig. 2 is the cross-sectional view of the holding rod in Fig. 1.
Fig. 3 is the axial schematic cross-sectional view of the holding rod in Fig. 1.
Fig. 4 is the schematic diagram of the embodiment of the present invention two.
Fig. 5 is the close-up schematic view at Fig. 4 A.
Fig. 6 is the enlarged diagram of the binding post in embodiment two.
Fig. 7 is the schematic diagram when binding post in embodiment two links together with power line.
In figure:Pull bar 1, thread segment 11, powershift mechanism 2, switch 21, pressing lever 22, latch 23, avoid holes 231, drive
Dynamic inclined-plane 232, insertion spring 24, locking hole 25, binding post 3, wiring copper foil 31, wiring hole 32, air-vent 321, insulator
33rd, sleeve 34, insulating segment 341, conductive segment 342, exterior seal ring 343, inner seal ring 344, support ball 345, inner support bullet
Piece 346, outer support shell fragment 347, air cavity 35, overload response cylinder 36, overload respond cylinder block 361, closing chamber 3611, opened
Chamber 3612, stomata 3613, overload response cylinder piston 362, connecting rod 363, air flue 37, power line 38, motor 5, motor casing 51,
Motor shaft 52, reductor 53, holding rod 6, handle sleeve 61, elastic adjusting mechanism 8, base tube 81, holding sheet 82, fricting strip 821, cunning
Bar 822, the 3rd spring 823, pretightning force adjustment structure 83, conical head 831, push rod 832, driving structure 833, jacking block 8331.
Embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment one, referring to Fig. 1, a kind of automatic transmission is remanufactured with the differential mechanism demounting tool provided with handle sleeve, bag
Include pull bar 1 and holding rod 6.Pull bar 1 and holding rod 6 link together in " T " font.Pull bar 1 is provided with thread segment 11.Holding rod 6
Provided with handle sleeve 61.Handle sleeve 61 is rubber sleeve.
Referring to Fig. 2, elastic adjusting mechanism 8 is provided between holding rod 6 and handle sleeve 61.Elastic adjusting mechanism 8 includes base tube
81st, holding sheet 82 and pretightning force adjustment structure 83.Base tube 81 is set in outside holding rod 6.Base tube 81 is located in handle sleeve 61.Folder
Layer 82 is held to be made up of some pieces of fricting strips 821.Fricting strip 821 is circumferentially distributed along base tube 81.Fricting strip 821 is provided with some along base
Pipe radially extends the slide bar 822 being axially distributed.Slide bar 822 slides and is arranged in base tube 81.The inner of slide bar 822 is provided with the 3rd bullet
Spring 823.3rd spring 823 drives fricting strip to be abutted together with handle sleeve 61 by slide bar.The pretightning force adjustment structure of outer shifting
83 include two conical heads 831 and some push rods 832.Conical head 831 is tubular structure.Conical head 831 is set on holding rod 6
And it is located in base tube 81 and base tube 81 links together with holding rod 6.Conical head 831 is only slidably connected to base tube 81
It is interior.Push rod 832 is along the circumferentially distributed axially extending of base tube 81.All slide bars 822 of same fricting strip 821 pass through the 3rd bullet
Spring 823 is supported on same root push rod 832, and the slide bar of each piece of fricting strip is respectively supported by a push rod.
Referring to Fig. 3, two conical heads 831 are slidably connected in a manner of miner diameter end is arranged oppositely in the both ends of base tube 81.
The both ends of push rod 832 are shelved on the conical surface of two conical heads 831.Pretightning force adjustment structure 83 also includes driving structure 833..
Driving structure 833 includes two jacking blocks 8331 being threaded in the both ends of base tube 81.Jacking block 8331 is set in holding rod 6
On.Two conical heads 831 are between two jacking blocks 8331.
Referring to Fig. 1, in use, by the way that thread segment 11 is alignd with the shaft end of differential mechanism provided with screwed hole, two hands one
One accordingly grips the handle sleeve 61 on two holding rods 6, then rotates holding rod 6 and thread segment 11 is threadedly coupled to
In screwed hole, then by hold handle sleeve 61 pull bar 1 is drawn, differential mechanism is drawn outside pull bar 1, so as to realizing differential mechanism from differential mechanism
Take out, i.e., disassemble out differential mechanism in shell.
Referring to Fig. 3 and Fig. 2, the process for adjusting the elastic effect of handle sleeve is:Conical head is driven by rotating jacking block 8331
831 move along the axial direction of base tube 81, and conical head 831 drives the moving radially along base tube 81 of push rod 832, and push rod 832 extrudes
3rd spring 823 and change pretightning force.
Embodiment two, the difference with embodiment one are:
Referring to Fig. 4, in addition to motor 5 and powershift mechanism 2.Motor 5 includes motor casing 51 and motor shaft 52.Motor casing
51 are fixed together with holding rod 6.Motor casing 51 is provided with binding post 3.Pull bar 1 is connected to motor shaft 52 by reductor 53
One end.The other end of motor shaft 52 is located in holding rod 6.
Referring to Fig. 5, powershift mechanism 2 includes switch 21, pressing lever 22, latch 23 and insertion spring 24.Switch 21 Hes
Pressing lever 22 is located at the both sides of latch 23.Switch 21 is fixed in holding rod 6.Switch 21 is by compressing switch, due to controlled motor 5
Start and stop.Pressing lever 22 is located in holding rod 6.Latch 23 is slidably connected in holding rod 6.Motor shaft 52 is provided with for inserting
The locking hole 25 that pin 23 inserts.Latch 23 is provided with avoid holes 231.Avoid holes 231 go driving to open for pressing lever 22 more than latch 23
Close 21.Avoid holes 231 are provided with driving inclined-plane 232 towards one end of pressing lever 22.Insertion spring 24 is used to drive latch 23 to insert
Into the locking hole 25 in motor shaft 52.
Referring to Fig. 6, binding post 3 includes insulator 33 and is arranged at the wiring copper foil 31 of insulator surface.Insulator 33
It is fixed together with motor casing 51.Wiring copper foil 31 is electrically connected with the coil of motor.Wiring copper foil 31 is provided with wiring hole
32.Wiring hole 32 is penetrated into insulator 33.Wiring hole 32 is the blind hole of vertically extending upper end closed.Wiring copper foil
31 lower ends for being located at wiring hole 32 are openend.Sleeve 34 is slidably connected in wiring hole 32.Sleeve 34 includes insulating segment
341 and conductive segment 342.Insulating segment 341 and conductive segment 342 are axially distributed along sleeve 34.Insulating segment 341 is located at conductive segment 342
Lower section.Air cavity 35 and overload response cylinder 36 are provided with insulator 33.Wiring copper foil 31 forms a part for the wall of air cavity 35.
Overload at least two, cylinder 36 of response.Overload responds cylinder 36 along the circumferentially distributed of sleeve 34.Overload response cylinder 36 wraps
Include overload response cylinder block 361 and overload response cylinder piston 362.Overload response cylinder piston 362, which will overload, responds cylinder
Cylinder body 361 is divided into closing chamber 3611 and open cavity 3612.Closing chamber 3611 is connected by air flue 37 with air cavity 35.Open cavity
3612 are provided with stomata 3613, realize opening with atmosphere by stomata 3613.Overload response cylinder piston 362 passes through company
Extension bar 363 links together with the insulating segment 341 in sleeve 34.The axis of overload response cylinder piston 362 is the same as sleeve 34
Diameter parallel.
Insulating segment 341 is arranged with exterior seal ring 343.Exterior seal ring 343 is rubber ring.Exterior seal ring 343 is by insulating segment 341
It is sealed connected together with wiring copper foil 31.The inner peripheral surface of insulating segment 341 is provided with inner seal ring 344 and some support balls 345.
The inner peripheral surface of conductive segment 342 is provided with inner support shell fragment 346.Inner support shell fragment 346 is the arch radially-inwardly to be arched upward along conductive segment
Structure.The outer peripheral face of conductive segment 342 is provided with outer support shell fragment 347.Outer support shell fragment 347 radially outward arches upward along conductive segment
Domes.Conductive segment 342 is abutted together by outer support shell fragment 347 with wiring copper foil 31.The upper end of wiring hole 32 is provided with
Air-vent 321.
Referring to Fig. 7, when the power supply that induces one is to motor, one end that power line 38 is located to wiring copper foil 31 from wiring hole 32 is inserted
In sleeve 34.Insulating segment 341 is sealed connected together by inner seal ring 344 with power line 38.346 same power supply of inner support shell fragment
The elasticity of line 38, which abuts, together links together conductive segment 342 and the electric conductivity of power line 38.Add and lead in wiring hole 32
It is electro-hydraulic.
Wiring copper foil 31 can produce temperature rise when the load, and the gas in air cavity 35 can produce expansion and iodine produces distillation and made
Air pressure rise in air cavity 35, the elevated structure of air pressure be the gas inlet road 37 in air cavity 35 flow in closing chamber 3611 and
Driving(Pressure in open cavity 3612 remains identical with atmospheric pressure)Overload response cylinder piston 362 moves up.Overload
Response cylinder piston 362 drives sleeve 34 to be moved up in wiring hole 32 by connecting rod 363.When temperature rise is to design temperature then
Overload response cylinder 36 driving sleeve slide into conductive segment 342 with wiring copper foil 31 stagger and insulating segment 341 with wiring copper foil
31 contacts, so as to realize power-off.Temperature can decline after Failure elimination, and temperature declines the then contraction of gas in air cavity 35 and iodine becomes
Make it that the air pressure in air cavity 36 declines into solid-state, the result of decline is to cause the slide downward in wiring hole 32 of sleeve 34,
When temperature returns to normal value, then conductive segment 342 links together with wiring copper foil 31, automatically reset so as to realize again.
Referring to Fig. 5, the process that the present embodiment carries out powershift is:When pressing lever 22 is in extraction state, inserting
In the presence of spring 24, latch 23 is inserted into avoid holes 231 and holding rod 6 and motor shaft 52 links together, and now opens
Close and 21 be off, motor 5 to stop, can only manual rotation, i.e. manual rotation's holding rod 6, holding rod 6 passes through latch
23 drive motor shafts 52 rotate together, and drivening rod 1 rotates and realizes thread segment being threadedly coupled to spiral shell when motor shaft 52 rotates
In pit.
When needing to carry out motor driving, pressing lever 22 is pressed, in the effect of driving inclined-plane 232 while pressing lever 22 moves down
Under, the extraction avoid holes 231 of latch 23 are arranged so that by the energy storage of pressing spring 24.When pressing lever 22 is applied to switch 21, latch
It is that motor shaft 52 is disconnected with holding rod 6, now motor 5 is obtained electric and started, motor after electric motor starting that avoid holes 231 are extracted in 23 completions
Axle 52 rotates and drives pull bar 1 to rotate to realize that thread segment is threadedly coupled in screwed hole.When extraction pressing lever 22 to press
When depression bar loses the effect to switch 21, motor dead electricity stops.