CN2547948Y

CN2547948Y - Multifunctional transmission for three (four)-wheel motorcycle

Info

Publication number: CN2547948Y
Application number: CN 02220461
Authority: CN
Inventors: 刘德宽
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-05-10
Filing date: 2002-05-10
Publication date: 2003-04-30
Anticipated expiration: 2012-05-10

Abstract

The utility model discloses a multi-function gearing used in a motor tricycle or a motor quadricycle, composed of a shell, a reverse gearing and a super sliding mechanism, wherein, the reverse gearing and the super sliding mechanism are arranged inside the shell, the reverse gearing is composed of a transmission fork catanator, a positive driver gear and a negative driver gear; the super sliding mechanism is composed of an input shaft, a click wheel, a ratchet spring and a sliding gear; the input shaft is in matched connection with the click wheel through a spline structure, the sliding gear is sleeved on the input shaft in a sliding way and is in matched connection with the opposite head face of the click wheel through face teeth on the head face of the sliding gear and ratchet on the head face of the click wheel, the click wheel is connected with the input shaft through the ratchet spring to cause the click wheel to be always pressed on the sliding gear under the action of the ratchet spring; the sliding gear is connected with the transmission fork catanator of the reverse gearing and meshes with any one of the positive driver gear and the negative driver gear of the reverse gearing. The utility model is functional, energy-saving, convenient to operate and comfortable to drive with lowered energy consumption.

Description

The multi-functional driver of three (four) wheeled motorcycles

Technical field

The utility model relates to the multi-functional transmission device on a kind of Motor Vehicle, especially for the multi-functional transmission device on three-wheel or the four-wheel motor cycle.

Background technique

The transmission device of existing three-wheel or four-wheel motor cycle does not all surmount the function that slides, and promptly when motorcycle reduced throttle, vehicle had serious retardance sense, increases the mechanical loss and the oil consumption of vehicle, the travelling comfort that influence is driven.In addition, existing three, four-wheel motor cycle does not all have gear reversing function mostly,, have a small amount of motorcycle to adopt external reverse gear unit, but it is when cooperating with rear axle differential, owing to multiple setting causes mechanical efficiency low, cost height, shortcomings such as installation complexity.

Summary of the invention

The purpose of this utility model is exactly in order to address the above problem, and a kind of multiple functional, energy-saving and cost-reducing, easy-to-operat is provided and drives comfortable three (four) and takes turns the multi-functional driver of motors.

Technical solution of the present utility model:

The multi-functional driver of a kind of three (four) wheeled motorcycles, it is characterized in that it is by housing, reverse drive gear and surmount coasting mechanism and form, reverse drive gear and surmount coasting mechanism and be arranged in the housing, reverse drive gear is made of fork control mechanism and positive and negative driving gear, surmount coasting mechanism by input shaft, pawl wheel, ratchet spring and sliding gear constitute, input shaft is connected by spline structure and pawl wheel, the sliding gear flip sleeve is contained on the input shaft, be connected by the end face tooth of sliding gear end face and the ratchet of pawl wheel end face on the opposing end surface of it and pawl wheel, pawl wheel links to each other with input shaft by ratchet spring, make pawl wheel under the ratchet spring effect, be pressed against on the sliding gear all the time, sliding gear links to each other with the fork control mechanism of reverse drive gear, simultaneously with the positive and negative driving gear of reverse drive gear in any be connected with a joggle.

The utility model adopts modular organization, can collect reverse gear, surmount slide, function such as differential is one, can be integrated with tricycle rear axle, and can be applicable in the front and back drive mechanism of four-wheel wagon back axle or four-wheel drive, also can cancel box of tricks only as reverse gear with surmount slide device and be serially connected on existing three (four) the wheel motors.The utility model is multiple functional, energy-saving and cost-reducing, easy-to-operat and drive comfortablely, and its mechanical efficiency height, cost is low, installation is easy

The utility model installs multi-functional integrated transmission device first additional on three (four) wheeled motorcycles, engine power connects with power input shaft of the present utility model by coupling or sprocket wheel, on power input shaft, be with and surmount the unidirectional power transmission device that slides, sliding gear in its device can be under the control of changement, realize forward and reverse transmission, promptly just, reverse gear, after having added differential mechanism, can realize that two output shaft differentials distribute transmission by driving differential mechanism shell gear.The utlity model has and surmount wheel function, reduced the mechanical loss of vehicle, improved mechanical efficiency, reduce oil consumption, and can realize reverse gear simultaneously and carry out the multiple function that differential distributes that its modern design is ingenious, and is simple and compact for structure, cost is low, especially install very conveniently, it has multiple alternative installation function, brings many facilities to vehicle driving, the comfort level of improve driving, it is more remarkable particularly to be used on four-wheel drive vehicle and the tricycle for disabled people effect.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the A-A cross-sectional view of Fig. 1.

Embodiment

As Fig. 1,2, the utility model is by housing 1, reverse drive gear 2 and surmount coasting mechanism 3 and form, reverse drive gear 2 and surmount coasting mechanism 3 and be arranged in the housing 1, reverse drive gear 2 is made of fork control mechanism and positive and negative driving gear, surmount coasting mechanism 3 by input shaft 3-1, pawl wheel 3-3, ratchet spring 3-2 and sliding gear 34 constitute, input shaft 3-1 is connected by spline structure and pawl wheel 3-3, make pawl wheel 3-3 on input shaft 3-1, to move axially, sliding gear 3-4 flip sleeve is contained on the input shaft 3-1, be connected by the end face tooth of sliding gear end face and the ratchet of pawl wheel end face on the opposing end surface of it and pawl wheel 3-3, pawl wheel 3-3 links to each other with input shaft 3-1 by ratchet spring 3-2, make pawl wheel 3-3 under ratchet spring 3-2 effect, be pressed against all the time on the sliding gear 3-4, sliding gear 3-4 links to each other with the fork control mechanism of reverse drive gear 2, simultaneously with the positive and negative driving gear of reverse drive gear 2 in any be connected with a joggle.

The fork control mechanism of the utility model reverse drive gear 2 is by shift fork 2-2, commutation cam 2-1, declutch shift shaft 2-3 and shift fork spring 2-4 form, declutch shift shaft 2-3 is fixedly installed on housing 1 internal upper part, commutation cam 2-1 is arranged on housing 1 top, its upper end passes housing 1 and links to each other with the reversing control lever of three (four) wheeled motorcycles, its lower end is positioned at housing 1 and is against declutch shift shaft 2-3 goes up spacing by it, the lower end integral body of commutation cam 2-1 is connected with a side for facing directly, other is the cam type surface of arc surface, this cam type surface is resisted against on the corresponding end face of the shift fork 2-2 that is positioned on the declutch shift shaft 2-3, shift fork 2-2 is made of the sleeve body and the lower end jaw one of upper end, its sleeve body flip sleeve is contained on the declutch shift shaft 2-3, be provided with shift fork spring 2-4 between its left side and the housing 1 corresponding inwall, this spring 2-4 is sleeved on the declutch shift shaft 2-3 simultaneously, the sleeve body that it acts on shift fork 2-2 all the time is pressed on the commutation cam 2-1 it, shift fork 2-2 upper shaft body right side is against on the cam type surface of commutation cam 2-1, when commutation cam 2-1 rotates an angle under the motorcycle reversing control lever drives, its profile is rotated thereupon, and the elastic force shift fork 2-2 that its lift just overcomes shift fork spring 2-4 is moved to the left on declutch shift shaft 2-3.The jaw of shift fork 2-2 lower end is stuck in the corresponding annular groove of the periphery wall that surmounts sliding gear 3-4 in the coasting mechanism 3.

Forward and reverse driving gear of reverse drive gear 2 is made of forward driving gear 7-1 and reversing drive gearwheel 4-1 and reversing drive small gear 4-2, forward driving gear 7-1 is slidingly connected on the forward gear shaft 7-2, and forward gear shaft 7-2 is rotatably connected in the housing 1, reversing drive gearwheel 4-1 and reversing drive small gear 4-2 all are arranged side by side on backward rotation axle 4-3 by spline structure, backward rotation axle 4-3 also is rotatably connected in the housing 1, reversing drive small gear 4-2 and forward driving gear 7-1 engagement, surmount under the shift fork 2-2 control of sliding gear 3-4 in fork control mechanism in the coasting mechanism 3 or and mesh, perhaps mesh with reversing drive gearwheel 4-1 with forward driving gear 7-1.

In surmounting coasting mechanism 3, the right side of sliding gear 3-4 is resisted against on the housing 1 corresponding inwall by thrust washer 3-5, and is spacing by it.Ratchet spring 3-2 is sleeved on the input shaft 3-1, and its right-hand member links to each other with pawl wheel 3-3 outer rim, and its left end links to each other with the shaft shoulder of input shaft 3-1 left part, and is spacing by it.

The input of driver of the present utility model is from surmounting the input shaft 3-1 input of coasting mechanism 3, this input shaft 3-1 or link to each other by chain or by coupling or by the engine output shaft of drive link with three (four) wheeled motorcycles.The output of driver can be directly from the backward rotation axle 4-3 output of reverse drive gear 2, it links to each other with the back axle of three (four) motorcycles, perhaps, the output of driver is exported by differential mechanism 5-2 by the forward driving gear 7-1 of reverse drive gear 2, at this moment, transmission gearwheel 5-1 engagement on forward driving gear 7-1 and the differential mechanism 5-2 shell, differential mechanism 5-2 is connected on the same housing 1 by bearing, and left and right output shaft 6-2, the 6-3 of differential mechanism 5-2 output torque simultaneously links to each other with the left and right trailing wheel of motorcycle.

Input shaft 3-1 of the present utility model is a splined shaft, the endoporus of pawl wheel 3-3 is a splined hole, end face has ratchet, the matching hole of sliding gear 3-4 and input shaft 3-1 is a unthreaded hole, near on one side end face of pawl wheel 3-3 the end face tooth is being arranged, under the elastic force effect of ratchet spring 3-2, pawl wheel 3-3 end face ratchet embeds in the end face tooth of sliding gear 3-4.The end face ratchet shape of pawl wheel 3-3 is the circular arc cammed surface of uniform acceleration, and the contrate tooth profile shape of sliding gear 3-4 is the rectangular gear face.When the motor of three (four) wheeled motorcycles drives input shaft 3-1 action by chain or coupling, input shaft 3-1 drives pawl wheel 3-3 by its spline and rotates synchronously, pawl wheel 3-3 is owing to be pressed against the end face of sliding gear 3-4 by ratchet spring 3-2, simultaneously because the mutual packing interaction of end face tooth of pawl wheel 3-3 and sliding gear 3-4, pawl wheel 3-3 drives sliding gear 3-4 and rotates synchronously, thereby has realized power transmission backward.When motorcycle reduces throttle or vehicle and is in the downhill running state, because this moment, the rotating speed of input shaft 3-1 descended rapidly, and the rotation speed change of sliding gear 3-4 is little, so sliding gear 3-4 skids on input shaft 3-1, owing to exist the end face ratchet, so pawl wheel 3-3 is outwards extruded under the effect of ratchet vertically, under the effect of ratchet spring 3-2 spring force, get back to original position again when whenever surmounting a ratchet, and circulate with this, send " clatter clatter " sound of rhythm, thereby realized surmounting the function that separation is slided.In order to reduce noise, and reduce because the damage parts that bump brings, so contrate tooth profile is designed to the uniform acceleration curved surface herein.The sliding gear 3-4 effect of going up has shift fork 2-2, shift fork spring 2-4, under the effect of spring force, sliding gear 3-4 is pushed to the right, when this moment, power was imported into by input shaft 3-1, moment of torsion drives sliding gear 3-4 by pawl wheel 3-3, drive the forward driving gear 7-1 of its engagement again, and by with the differential drive gear 5-1 of the normal engagement of forward driving gear 7-1, transfer torque to differential mechanism 5-2 shell, give output shaft 6-2,6-3 by axle fixing on the differential mechanism 5-2 shell and little helical teeth with power distribution again, transmission when realizing two rear axle.Because three axles have been passed through in transmission this moment, so its input shaft and output shaft are equidirectional, promptly so-called forward rotation.When transmission, forward driving gear 7-1 blanking bar reversing drive small gear 4-2 simultaneously rotates.

2-1 rotates an angle when the commutation cam, when promoting elastic force that shift fork 2-2 overcomes spring 2-4 and be moved to the left by its cam type surface, shift fork 2-2 stirs sliding gear 3-4, and the elastic force that makes pawl wheel 3-3 overcome ratchet spring 3-2 slides left in input shaft 3-1 spline, in the action that is moved to the left, sliding gear 3-4 breaks away from the engagement with forward driving gear 7-1 earlier, and then enter engagement with reversing drive gearwheel 4-1, reversing drive gearwheel 4-1 and reversing drive small gear 4-2 are fixedly connected on the inversion axis 4-3 with the form of splined hole, reversing drive small gear 4-2 and forward driving gear 7-1 often mesh, at this moment, when input shaft 3-1 when rotated, moment of torsion drives the reversing drive gearwheel 4-1 of its engagement by sliding gear 3-4, and drive inversion axis 4-3, and then drive reversing drive small gear 4-2 on the same axle, again by its normal forward driving gear 7-1 that meshes, moment of torsion is passed to the driving gear 5-1 of differential mechanism 5-2, thereby make input shaft 3-1 to output shaft 6-2, the transmission line of 6-3 is by original having become through four axles through three axles, so input shaft is opposite with the sense of rotation of output shaft, promptly so-called reversing drive.

Claims

1, the multi-functional driver of a kind of three (four) wheeled motorcycles, it is characterized in that it is by housing, reverse drive gear and surmount coasting mechanism and form, reverse drive gear and surmount coasting mechanism and be arranged in the housing, reverse drive gear is made of fork control mechanism and positive and negative driving gear, surmount coasting mechanism by input shaft, pawl wheel, ratchet spring and sliding gear constitute, input shaft is connected by spline structure and pawl wheel, the sliding gear flip sleeve is contained on the input shaft, be connected by the end face tooth of sliding gear end face and the ratchet of pawl wheel end face on the opposing end surface of it and pawl wheel, pawl wheel links to each other with input shaft by ratchet spring, make pawl wheel under the ratchet spring effect, be pressed against on the sliding gear all the time, sliding gear links to each other with the fork control mechanism of reverse drive gear, simultaneously with the positive and negative driving gear of reverse drive gear in any be connected with a joggle.

2, by the multi-functional driver of described three (four) wheeled motorcycles of claim 1, the fork control mechanism that it is characterized in that described reverse drive gear is by shift fork, the commutation cam, declutch shift shaft and shift fork spring are formed, declutch shift shaft is fixedly installed on the housing internal upper part, the commutation cam be arranged on housing top, its upper end passes housing and links to each other with the reversing control lever of three (four) wheeled motorcycles, its lower end is positioned at housing and is against on the declutch shift shaft spacing by it, the lower end integral body of commutation cam is connected with a side for facing directly, other is the cam type surface of arc surface, this cam type surface is resisted against on the corresponding end face of the shift fork that is positioned on the declutch shift shaft, shift fork is made of the sleeve body and the lower end jaw one of upper end, its sleeve body flip sleeve is contained on the declutch shift shaft, be provided with the shift fork spring between the corresponding inwall in its left side with housing, this spring is sleeved on the declutch shift shaft simultaneously, the sleeve body that it acts on shift fork all the time is pressed on the commutation cam it, shift fork upper shaft body right side is against on the cam type surface of commutation cam, and the jaw of shift fork lower end is stuck in the corresponding annular groove of the periphery wall that surmounts sliding gear in the coasting mechanism.

3, by the multi-functional driver of described three (four) wheeled motorcycles of claim 1, the forward and reverse driving gear that it is characterized in that described reverse drive gear is made of forward driving gear and reversing drive gearwheel and reversing drive small gear, the forward driving gear is slidingly connected on the forward gear shaft, and the forward gear shaft is rotatably connected in the housing, reversing drive gearwheel and reversing drive small gear all are arranged side by side on the backward rotation axle by spline structure, the backward rotation axle also is rotatably connected in the housing, reversing drive small gear and the engagement of forward driving gear, surmount under the fork controls of sliding gear in fork control mechanism in the coasting mechanism or and mesh, perhaps nibble with the reversing drive gearwheel with the forward driving gear