CN208021668U

CN208021668U - A kind of motorcycle transmission system

Info

Publication number: CN208021668U
Application number: CN201820445939.2U
Authority: CN
Inventors: 高翔; 杨驰
Original assignee: CHONGQING CHUANYU JINGGONG MECHANICAL ACCESSORIES DEVELOPMENT Co Ltd
Current assignee: CHONGQING CHUANYU JINGGONG MECHANICAL ACCESSORIES DEVELOPMENT Co Ltd
Priority date: 2018-03-30
Filing date: 2018-03-30
Publication date: 2018-10-30
Anticipated expiration: 2028-03-30

Abstract

The utility model discloses a kind of motorcycle transmission system, including gear shift component, the first fork-shaped connector, transmission shaft, the second fork-shaped connector and the rear axle being sequentially connected；With the smooth fin in several surfaces in the cylindrical outer wall of the output shaft end of gear shift component, all fins along output shaft axially extending setting and using the point on output shaft axis as the rounded array in the center of circle；First fork-shaped connector is equipped with the mating hole that can coordinate with the output shaft end phase socket joint where fin on the free end of its cylindrical portion, one end that output shaft is equipped with fin is plugged in the mating hole and can be slidably matched along own axes in mating hole, the free end of the cylindrical portion of second Y-piece is equipped with threaded hole, the input terminal of the input shaft of rear axle gear-box is screwed into the threaded hole, and the direction being screwed into is consistent with transmission rotational axis direction.The motorcycle transmission system structure is simple and reliable, has higher transmission efficiency, the possibility for drive failures occur smaller.

Description

A kind of motorcycle transmission system

Technical field

The utility model belongs to motorcycle rear axle drive technology field more particularly to a kind of transmission system.

Background technology

Driving form between existing motorcycle and rear axle is various, mostly very complicated, and different vehicles and manufacturer set The drive mechanism of meter has difference, but these existing drive mechanisms have longer transmission chain mostly, easy tos produce axial shake The problems such as dynamic, drive failures rate is high, and transmission efficiency is relatively low.

Utility model content

The purpose of this utility model is to provide a kind of motorcycle transmission system, which simply may be used It leans on, has higher transmission efficiency, the possibility for drive failures occur smaller.

The technical solution of the utility model is as follows：

A kind of motorcycle transmission system, including be sequentially connected gear shift component, the first fork-shaped connector, transmission shaft, Second fork-shaped connector and rear axle；

With the fin that several surfaces are smooth, all fin edges in the cylindrical outer wall of the output shaft end of gear shift component The axially extending setting of output shaft and using the point on output shaft axis as the rounded array in the center of circle；

First, second fork-shaped connector includes cylindrical portion and U-shaped portion, and cylindrical portion is connected to the bottom end of U-shaped portion；Transmission shaft Both ends be respectively protruding into two Y-pieces U-shaped portion opening in and be attached thereto, wherein the first fork-shaped connector is in its cylindrical portion Free end is equipped with the mating hole that can coordinate with the output shaft end phase socket joint where fin, and output shaft is equipped with one end grafting of fin It can be slidably matched in the mating hole and along own axes in mating hole, the cylindrical portion of the second Y-piece and rear axle gear The input terminal of the input shaft of case is connected.

Further, the cylinder that two ends that transmission shaft is connected with Y-piece opening all have an inner wall smooth is worn Hole, axis and the transmission shaft of cylindrical perforations are mutually perpendicular to；

Respectively tool is equipped with screw thread there are one sleeve on each sleeve lining on two madial walls of the opening of each U-shaped portion；

Further include connection spiral pin, the connection spiral pin includes the smooth spiral pin of nut and the columned surface that is attached thereto The end of ontology, spiral pin ontology is coaxially equipped with the connecting stud that diameter is less than spiral pin ontology, and spiral pin ontology leans on the one of nut End is equipped with screw thread, and the stud passes through wherein one side wall, wherein a sleeve and the cylinder of transmission shaft end of U-shaped portion opening to wear It is screwed into behind hole in another sleeve, and spiral pin ontology sets threaded one section and matches with the screw thread on a wherein sleeve lining It closes, the end of transmission shaft is limited between two sleeves.

Further, the spiral pin ontology is respectively equipped with a circle sealed groove, the sealed groove at two sleeve end faces It is embedded with sealing ring, the sealing ring is remained to be contacted with cylindrical perforations inner wall extruding.

Further, the end that cylindrical perforations are equipped in transmission shaft is additionally provided with accommodating chamber, the accommodating chamber and cylinder It is connected between perforation, and is screwed with lubrication oiling connector on the through-hole of its connection, lubricated and be connected to stretching transmission shaft on oiling connector The hose coupling of outer wall；Being offered positioned at the upper surface of the spiral pin ontology for the transmission shaft is connected to the cylindrical perforations Peep hole, sealing axis plug is fixed on the peep hole.

Further, the ridge in cross-section is rectangular, and an opposite square is symmetrically equipped on the two sides of rectangle The circular arc of shape inner recess.

Further, the free end of the cylindrical portion of the second Y-piece be equipped with threaded hole, the input shaft of rear axle gear-box it is defeated It is consistent with transmission rotational axis direction to enter the direction that end is screwed into the threaded hole, and is screwed into.

Further, also with smooth described in several surfaces in the cylindrical outer wall of the input shaft of the rear axle gear-box Fin, the free end of the cylindrical portion of the second Y-piece are equipped with the blind hole being inserted into for input shaft cooperation, are equipped with the defeated of fin Enter axis with blind hole socket joint to coordinate, stud is compressed from the locking nut that U-shaped portion bottom is screwed into input shaft and is inserted with split pin.

The beneficial effects of the utility model：In transmission, pass through output shaft after driven by engine gear shift component speed change Output, using the connection cooperation of fork-shaped connector between output shaft and transmission shaft, the fin of output shaft and the mating hole of cylindrical portion are held It inserts, be slidably matched so that there are one the amounts of altering in axially tool for whole transmission chain, can be axially from line slip when encountering axial vibration One section moves, and does not occur beat under the guiding role of fin, is driven relatively stable reliable.And the transmission shaft other end and rear axle Between connection then realized by another fork-shaped connector, between the second Y-piece and input shaft also use first fork Identical with the input shaft socket joint cooperation of shape part, transmission be simple and efficient and stablize or the cylindrical portion of the second fork-shaped connector with Pass through the threaded engagement connection consistent with rotation direction between the gearbox input shaft of rear axle so that in transmission, the more turn the more tight, So that torque is always ensured that reliable connection transmission when recently entering, it can be seen that, the motorcycle transmission system structure It is simple and reliable, have higher transmission efficiency, the possibility for drive failures occur smaller.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model.

Connection diagrams of the Fig. 2 between fork-shaped connector and transmission shaft.

The partial sectional view that Fig. 3 is connected between transmission shaft and U-shaped portion by connecting spiral pin.

Fig. 4 is that connection spiral pin is screwed into the structural schematic diagram after U-shaped portion.

Fig. 5 is the cross-sectional view of one end that output shaft is equipped with fin.

Component label instructions：Output shaft 1, cylindrical portion 2, U-shaped portion 3, transmission shaft 4, input shaft 5, rear axle 6, connection spiral pin 7, Lubricate oiling connector 8, sleeve 9, fin 101, stud 701, spiral pin ontology 702, nut 703, sealed groove 7021, spiral pin ontology Screw thread 7022 by one end of nut.

Specific implementation mode

Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below Content disclosed by specification understands other advantages and effect of the utility model easily.

The utility model is described in further detail with reference to the accompanying drawings and examples：

As shown in Fig. 1-5, a kind of motorcycle transmission system, including the gear shift component, the first fork-shaped that are sequentially connected connect Fitting, transmission shaft 4, the second fork-shaped connector and rear axle 6.

It is all convex with the fin 101 that several surfaces are smooth in the cylindrical outer wall at 1 end of output shaft of gear shift component Rib 101 along output shaft 1 axially extending setting and using the point on 1 axis of output shaft as the rounded array in the center of circle.

First, second fork-shaped connector includes cylindrical portion 2 and U-shaped portion 3, and cylindrical portion 2 is connected to the bottom end of U-shaped portion 3；It passes The U-shaped portion 3 that the both ends of moving axis 4 are respectively protruding into two Y-pieces is open interior and is attached thereto, wherein the first fork-shaped connector is justified at it The free end in column portion 2 is equipped with can be with the mating hole of the 1 end phase socket joint cooperation of output shaft where fin 101, and output shaft 1 is equipped with convex One end of rib 101 is plugged in the mating hole and can be slidably matched along own axes in mating hole, the second Y-piece Cylindrical portion 2 is connected with the input terminal of the input shaft 5 of rear axle gear-box.For the cylindrical portion 2 and rear axle gear-box of the second Y-piece 5 connection type of input shaft, can there are two types of, first, socket joint connection type identical with output shaft 1 with the first Y-piece, i.e., will Several smooth fins in surface 101, the cylinder of the second Y-piece are also provided in the cylindrical outer wall of the input shaft 5 of rear axle gear-box The free end in portion 2 is equipped with the blind hole being inserted into for the cooperation of the input shaft 5, and the input shaft 5 equipped with fin 101 is matched with blind hole socket joint It closes, stud is compressed from the locking nut that the open bottom of U-shaped portion 3 is screwed into input shaft 5 and is inserted with split pin.Second is that second The free end of the cylindrical portion 2 of Y-piece is equipped with threaded hole, and the input terminal of the input shaft 5 of 6 gear-box of rear axle is screwed into the threaded hole It is interior, and the direction being screwed into is consistent with 4 rotation direction of transmission shaft.

Operation principle：In transmission, exported by output shaft 1 after driven by engine gear shift component speed change, output shaft 1 Cooperation, the fin 101 and the mating hole socket joint of cylindrical portion 2, cunning of output shaft 1 are connect using fork-shaped connector between transmission shaft 4 Dynamic cooperation so that there are one the amounts of altering in axially tool for whole transmission chain, can be axially from one section of line slip when encountering axial vibration Displacement, and do not occur beat under the guiding role of fin 101, it is driven relatively stable reliable.And 4 other end of transmission shaft and rear axle Connection between 6 then realized by another fork-shaped connector, cylindrical portion 2 and the rear axle 6 of the second fork-shaped connector Pass through the threaded engagement connection consistent with rotation direction between gearbox input shaft 5 so that in transmission, the more turn the more tight, to So that torque is always ensured that reliable connection transmission when recently entering, it can be seen that, the motorcycle transmission system structure is simple Reliably, have higher transmission efficiency, the possibility for drive failures occur smaller.

Further, two ends that transmission shaft 4 is connected with Y-piece opening all have the cylinder of an inner wall smooth Perforation, axis and the transmission shaft 4 of cylindrical perforations are mutually perpendicular to.

Respectively tool is equipped with spiral shell there are one sleeve 9 on 9 inner wall of each sleeve on two madial walls of the opening of each U-shaped portion 3 Line.

Further include connection spiral pin 7, the connection spiral pin 7 includes that nut 703 and the columned surface being attached thereto are smooth Spiral pin ontology 702, the end of spiral pin ontology 702 is coaxially equipped with the connecting stud 701 that diameter is less than spiral pin ontology 702, and Spiral pin ontology 702 is equipped with screw thread by one end of nut 703, i.e., spiral pin ontology 702 is by the screw thread 7022 of one end of nut, the spiral shell Column 701 is screwed into another after the wherein one side wall that U-shaped portion 3 is open, the wherein cylindrical perforations at 4 end of a sleeve 9 and transmission shaft In one sleeve 9, and spiral pin ontology 702 sets threaded one section and is matched with the screw thread on 9 inner wall of a wherein sleeve, transmission The end of axis 4 is limited between two sleeves 9, according to specific needs, still can a little be altered along axial be reserved with of spiral pin ontology 702 Amount, clamping stagnation when preventing from running at high speed and off-axis.

As specific embodiment, said structure design is primarily to improve flexibility and the intensity of connection transmission, just In assembly and disassembly, simultaneously as comparatively connection spiral pin 7 is vulnerable part, design in this way also allows for being conveniently replaceable in repair, reduces Use cost improves the service life and reliability of entire transmission system.

Further, the spiral pin ontology 702 is respectively equipped with a circle sealed groove 7021 by two sleeves, 9 endface, described Sealed groove 7021 is embedded with sealing ring, and the sealing ring is remained to be contacted with cylindrical perforations inner wall extruding, so as to Cutting oil is injected inside cylindrical perforations, avoids leaking.

Further, the end that cylindrical perforations are equipped in transmission shaft 4 is additionally provided with accommodating chamber, the accommodating chamber and cylinder It is connected between perforation, and is screwed with lubrication oiling connector 8 on the through-hole of its connection, stretching transmission is connected on lubrication oiling connector 8 The hose coupling of 4 outer wall of axis；The transmission shaft 4 offers and the cylinder positioned at the upper surface of the spiral pin ontology 702 It perforates the peep hole of connection, sealing axis plug is fixed on the peep hole, to observe the situation of internal lubrication oil when needed, It is convenient for oiling simultaneously.

Further, 101 cross section of the fin is rectangular, and it is opposite that one is symmetrically equipped on the two sides of rectangle The circular arc of rectangle inside recess.This kind of 1 location and installation of output shaft is rapid, and guidance quality and being connected property are more preferable.

The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.

Claims

1. a kind of motorcycle transmission system, it is characterised in that：Gear shift component, the first fork-shaped including being sequentially connected connect Part, transmission shaft, the second fork-shaped connector and rear axle；

With the fin that several surfaces are smooth in the cylindrical outer wall of the output shaft end of gear shift component, all fins are along defeated The axially extending setting of shaft and using the point on output shaft axis as the rounded array in the center of circle；

First, second fork-shaped connector includes cylindrical portion and U-shaped portion, and cylindrical portion is connected to the bottom end of U-shaped portion；The two of transmission shaft End is respectively protruding into the U-shaped portion opening of two Y-pieces and is attached thereto, wherein freedom of the first fork-shaped connector in its cylindrical portion End is equipped with the mating hole that can coordinate with the output shaft end phase socket joint where fin, and one end that output shaft is equipped with fin is plugged on institute It states in mating hole and can be slidably matched along own axes in mating hole, cylindrical portion and the rear axle gear-box of the second Y-piece The input terminal of input shaft is connected.

2. motorcycle transmission system according to claim 1, it is characterised in that：Be connected two of transmission shaft and Y-piece opening End all has the cylindrical perforations of an inner wall smooth, and axis and the transmission shaft of cylindrical perforations are mutually perpendicular to；

Further include connection spiral pin, the connection spiral pin includes the smooth spiral pin sheet of nut and the columned surface that is attached thereto The end of body, spiral pin ontology is coaxially equipped with the connecting stud that diameter is less than spiral pin ontology, and spiral pin ontology leans on one end of nut Equipped with screw thread, the stud passes through wherein one side wall, wherein a sleeve and the cylindrical perforations for being driven shaft end of U-shaped portion opening After be screwed into another sleeve, and spiral pin ontology sets threaded one section and is matched with the screw thread on a wherein sleeve lining, The end of transmission shaft is limited between two sleeves.

3. motorcycle transmission system according to claim 2, it is characterised in that：The spiral pin ontology is punished by two sleeve end faces Not She You a circle sealed groove, the sealed groove is embedded with sealing ring, and the sealing ring is remained to be worn with the cylinder Hole inner wall squeezes contact.

4. motorcycle transmission system according to claim 3, it is characterised in that：It is equipped with the end of cylindrical perforations in transmission shaft It is additionally provided with accommodating chamber, is connected between the accommodating chamber and cylindrical perforations, and is screwed with lubrication oiling on the through-hole of its connection and connects Head lubricates the hose coupling for being connected on oiling connector and stretching out transmission shaft outer wall；The transmission shaft is located at the spiral pin ontology Upper surface offers the peep hole being connected to the cylindrical perforations, and sealing axis plug is fixed on the peep hole.

5. according to any one of the claim 1-4 motorcycle transmission system, it is characterised in that：The ridge in cross-section is in square Shape, and the circular arc of an opposite rectangle inside recess is symmetrically equipped on the two sides of rectangle.

6. according to any one of the claim 1-4 motorcycle transmission system, it is characterised in that：The cylindrical portion of second Y-piece Free end be equipped with threaded hole, the direction that the input terminal of the input shaft of rear axle gear-box is screwed into the threaded hole, and is screwed into It is consistent to be driven rotational axis direction.

7. according to any one of the claim 1-4 motorcycle transmission system, it is characterised in that：The rear axle gear-box it is defeated Enter also with the smooth fin in several surfaces in the cylindrical outer wall of axis, the free end of the cylindrical portion of the second Y-piece is equipped with For the blind hole that input shaft cooperation is inserted into, the input shaft and blind hole socket joint that are equipped with fin coordinate, and stud is twisted from U-shaped portion bottom Enter input shaft and is inserted with the locking nut compression of split pin.