CN212125417U

CN212125417U - Adjusting device of rear wheel of electric cross-country motorcycle

Info

Publication number: CN212125417U
Application number: CN202020280461.XU
Authority: CN
Inventors: 陈刚军
Original assignee: Zhejiang Taizhou Julong Technology Co ltd
Current assignee: Zhejiang Taizhou Julong Technology Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-12-11
Anticipated expiration: 2030-03-09

Abstract

The utility model provides an adjusting device of electronic cross country motorcycle rear wheel belongs to motor vehicle technical field. The adjusting device solves the problem that the two ends of the connecting shaft are easily adjusted to be relatively staggered by the adjusting device of the rear wheel of the existing electric cross country motorcycle. This adjusting device of electronic cross country motorcycle rear wheel, the connecting seat that the symmetry set up has on the rear wheel chain stay support, wears to be equipped with the connecting axle on the rear drive wheel, the both ends of connecting axle symmetry respectively are provided with the cam, cam and connecting seat correspond the distribution, the rear drive wheel passes through the cam correspondence and connects on the connecting seat of rear wheel chain stay support, the cam can the rotation in a circumferential direction adjust on the connecting seat that corresponds, be provided with between connecting seat and the cam that corresponds and enable the fixed spacing connection structure of cam circumference on the connecting seat that corresponds. The utility model discloses simple structure, the same adjustment distance of both ends ability synchronous adjustment of connecting axle adjusts convenient to use, can prevent effectively that the relative dislocation is adjusted at the both ends of connecting axle.

Description

Adjusting device of rear wheel of electric cross-country motorcycle

Technical Field

The utility model belongs to the technical field of the motor vehicle, a adjusting device of electronic cross country motorcycle rear wheel is related to.

Background

With the increasing demand for environmental protection, electric vehicles have higher popularity, and they are no longer single vehicles but are mobile tools with fun and created according to different requirements.

Electric cross-country motorcycles, which are one type of electric vehicles and have an appearance similar to that of motorcycles, are driven by a storage battery to run.

The motor of most current electronic cross country motorcycle is connected through chain transmission between wheel with the back drive, but back drive wheel when traveling for a long time, easy horizontal migration leads to the chain to hang down not hard up, influences the power transmission between motor and the back drive wheel, to above-mentioned problem, appears the regulation of an electric motor car rear wheel in the existing market, is like chinese patent number: "201820673014.3" the structure of adjusting of a two-wheeled electric motor car rear wheel, its concrete structure is: the rear wheel flat fork support is fixed on a frame of a two-wheeled electric vehicle, a rear driving wheel is connected with the rear wheel flat fork support through a connecting shaft, an adjusting groove in a strip shape is horizontally formed in the rear wheel flat fork support, a square guide block in sliding connection with the groove wall of the adjusting groove is arranged in the adjusting groove, a strip hole is formed in the groove bottom of the adjusting groove along the length direction of the adjusting groove, the connecting shaft is arranged in the strip hole in a penetrating mode, the end portion of the connecting shaft is fixedly connected onto the square guide block, a strip groove is further formed in the rear wheel flat fork support in linear distribution with the strip hole, a strip channel communicated with the adjusting groove is formed in the groove bottom of the strip groove, an adjusting nut is fixedly arranged at the groove bottom of the strip groove between the strip channel and the adjusting groove, a spiral adjusting bolt is arranged between the adjusting nut and the square guide block, and the head of the adjusting bolt is.

In the structure, the adjusting bolt is in threaded fit with the adjusting nut, so that the square guide block moves back and forth in the adjusting groove along the length direction of the adjusting groove, and the end part of the connecting shaft is fixed on the square guide block, so that the square guide block moves to enable the connecting shaft to move and drive the rear driving wheel to adjust back and forth. In the structure, the two ends of the connecting shaft are adjusted to be linear adjustment, the two ends of the connecting shaft are difficult to control to synchronously adjust the same adjusting distance, when the two ends of the connecting shaft are adjusted to be relatively staggered, namely the two ends of the connecting shaft are staggered in tandem, so that when the rear driving wheel drives, the connecting shaft is subjected to unilateral abrasion and easy to drive and deviate, and the service life is short.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, make the both ends ability synchronous adjustment the same adjusting distance's of connecting axle adjusting device of electronic cross country motorcycle rear wheel.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an adjusting device of electronic cross country motorcycle rear wheel, includes rear wheel chain stay support and rear drive wheel, rear wheel chain stay support be used for with electronic cross country motorcycle frame attach, its characterized in that, rear wheel chain stay support on have the connecting seat of symmetry setting, the rear drive wheel on wear to be equipped with the connecting axle, the both ends of connecting axle symmetry respectively be provided with the cam, cam and connecting seat correspond the distribution, the rear drive wheel correspond to be connected on the connecting seat of rear wheel chain stay support through the cam, the cam can the circumferential direction adjust on the connecting seat that corresponds, connecting seat and corresponding cam between be provided with and make the cam on the connecting seat that corresponds spacing connection structure that circumference is fixed.

The adjusting device of the rear wheel of the electric cross-country motorcycle is mainly characterized in that cams are symmetrically arranged at two ends of a connecting shaft respectively, connecting seats are symmetrically arranged on a rear wheel bottom fork support, the rear driving wheel is driven to adjust back and forth through circumferential rotation adjustment of the cams on the connecting seats, so that a chain which is in transmission connection between the rear driving wheel and a motor can keep the optimal transmission connection state, and in the circumferential rotation adjusting process of the cams and the connecting seats, because the relative adjustment of the cams and the connecting seats is circumferential rotation adjustment, two ends of the connecting shaft are synchronously adjusted by the same adjusting distance through a limiting connection structure, the adjusting and using are convenient, and the service life is long; if the two ends of the connecting shaft are adjusted to be relatively staggered, the two ends of the connecting shaft are twisted in a three-dimensional space, assembly cannot be achieved on the connecting seat of the rear wheel bottom fork support, and the purpose of self protection of structural assembly is achieved.

In the adjusting device for the rear wheel of the electric cross country motorcycle, the connecting seat is positioned at the rear end part of the rear wheel bottom fork bracket. The purpose of setting up like this is that the both ends of facilitating the connecting axle are assembled in the connecting seat of rear wheel chain stay support.

In the adjusting device for the rear wheel of the electric cross country motorcycle, the connecting seat comprises an upper ring arm and a lower ring arm, a circular mounting position is arranged between the upper ring arm and the lower ring arm, one ends of the upper ring arm and the lower ring arm are connected to form an integral structure, and the other ends of the upper ring arm and the lower ring arm are close to each other and do not abut against each other.

In the adjusting device for the rear wheel of the electric cross country motorcycle, the limiting connection structure comprises a fastening bolt, the other end of the upper ring arm is provided with a through hole, the other end of the lower ring arm is provided with an internal thread hole, the fastening bolt penetrates through the through hole of the upper ring arm and is spirally and fixedly connected into the internal thread hole of the lower ring arm, the cam is located in the circular installation position and fastens and connects the other ends of the upper ring arm and the lower ring arm through the fastening bolt, and when the other ends of the upper ring arm and the lower ring arm are fastened and connected, the outer wall of the cam is in friction fit with the inner walls of the upper ring arm and the lower ring arm. The purpose that sets up like this makes things convenient for the cam to rotate between upper ring arm and lower ring arm and adjusts, and two make things convenient for the cam to fix through rotatory frictional force between upper ring arm and lower ring arm between them, stable in structure, it is convenient to adjust.

In the adjusting device for the rear wheel of the electric cross-country motorcycle, the outer wall of the cam is provided with more than one section of arc-shaped sawtooth part, the cam is also symmetrically provided with reinforcing holes for preventing the cam from deforming, and an inner hexagonal supporting hole is also arranged between the two reinforcing holes. The purpose of setting up sawtooth part is the effective frictional force that increases cam and the inner wall of upper ring arm, lower ring arm two, ensures that the cam is relative rotation fixed in upper ring arm, lower ring arm.

In the adjusting device for the rear wheel of the electric cross country motorcycle, the outer wall of the lower ring arm is fixedly provided with the reference mark gap, the outer end face of the cam is also engraved with the angle scale mark, and the reference mark gap is aligned with the angle scale mark. The purpose of setting up like this can effectively master the cam and rotate the precision of adjusting in last ring arm, lower ring arm, convenient to use.

Compared with the prior art, this adjusting device of electronic cross country motorcycle rear wheel's advantage does: simple structure, the both ends of connecting axle can the same regulation distance of synchronous adjustment, adjust convenient to use, can effectively prevent the both ends of connecting axle to adjust relative dislocation, stable in structure, long service life.

Drawings

Fig. 1 is a schematic perspective view of the adjusting device for the rear wheel of the electric dirtbike.

In the figure, 1, a rear wheel bottom fork bracket; 2. a rear drive wheel; 3. a connecting shaft; 4. a cam; 5. an upper ring arm; 6. a lower ring arm; 7. fastening a bolt; 8. a serration; 9. a reinforcement hole; 10. an inner hexagonal support hole; 11. the benchmark marks the gap; 12. and (5) marking by angle scales.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the adjusting device for the rear wheel of the electric cross country motorcycle mainly comprises a rear wheel bottom fork support 1 and a rear driving wheel 2, wherein the rear wheel bottom fork support 1 is used for being connected with a frame of the electric cross country motorcycle, and the rear wheel bottom fork support 1 is provided with symmetrically arranged connecting seats which are positioned at the rear end part of the rear wheel bottom fork support 1; during actual manufacturing, the specific structure of the connecting seat is as follows: mainly by last ring arm 5 and lower ring arm 6, go up and be provided with circular installation position between ring arm 5 and the lower ring arm 6, go up ring arm 5 and the one end between them of lower ring arm 6 and link to each other and form a body structure, go up ring arm 5 and the other end between them of lower ring arm 6 and close on not leaning on.

Wear to be equipped with connecting axle 3 on the back drive wheel 2, the both ends of connecting axle 3 symmetry respectively are provided with cam 4, and cam 4 and connecting seat correspond the distribution, and back drive wheel 2 corresponds through cam 4 and is connected on the connecting seat of rear wheel chain stay support 1, and cam 4 can the rotation in a circumferential direction adjust on the connecting seat that corresponds, is provided with between connecting seat and the cam 4 that corresponds and enables cam 4 fixed limit connection structure in a circumferential direction on the connecting seat that corresponds.

During actual manufacturing, the specific implementation mode of the limit connecting structure is as follows: mainly constitute by fastening bolt 7, the other end of going up ring arm 5 has the through hole, the other end of lower ring arm 6 has the internal thread hole, fastening bolt 7 passes the through hole spiral of going up ring arm 5 and links firmly in the internal thread hole of lower ring arm 6, cam 4 is in circular installation position and through fastening bolt 7 with go up ring arm 5 and lower ring arm 6 other end fastening connection between them, when going up ring arm 5 and lower ring arm 6 other end fastening connection between them, the outer wall friction of this cam 4 supports and leans on in going up ring arm 5, on lower ring arm 6 inner wall between them.

During actual manufacturing, the outer wall of the cam 4 is provided with more than one arc-shaped sawtooth part 8, the cam 4 is further symmetrically provided with reinforcing holes 9 for preventing the cam 4 from deforming, and an inner hexagonal support hole 10 is further arranged between the two reinforcing holes 9.

In order to effectively master the accuracy of the rotation adjustment of the cam 4 in the upper ring arm 5 and the lower ring arm 6, a reference mark gap 11 is fixedly arranged on the outer wall of the lower ring arm 6, an angle scale mark 12 is further carved on the outer end face of the cam 4, and the reference mark gap 11 is aligned to the angle scale mark 12.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the rear wheel flat fork carriage 1 is used more herein; a rear driving wheel 2; a connecting shaft 3; a cam 4; an upper ring arm 5; a lower ring arm 6; a fastening bolt 7; a serration 8; a reinforcement hole 9; an inner hexagonal support hole 10; a reference mark gap 11; the angle scale marks 12 etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. An adjusting device of a rear wheel of an electric cross-country motorcycle comprises a rear wheel bottom fork bracket (1) and a rear driving wheel (2), wherein the rear wheel bottom fork bracket (1) is used for being connected with a frame of the electric cross-country motorcycle, it is characterized in that the rear wheel bottom fork bracket (1) is provided with connecting seats which are symmetrically arranged, a connecting shaft (3) is arranged on the rear driving wheel (2) in a penetrating way, two ends of the connecting shaft (3) are respectively and symmetrically provided with a cam (4), the cam (4) and the connecting seat are correspondingly distributed, the rear driving wheel (2) is correspondingly connected on the connecting seat of the rear wheel bottom fork bracket (1) through the cam (4), the cam (4) can rotate circumferentially and be adjusted on the corresponding connecting seat, and a limiting connecting structure which can enable the cam (4) to be circumferentially fixed on the corresponding connecting seat is arranged between the connecting seat and the corresponding cam (4).

2. An adjustment device for the rear wheel of an electric dirtbike motorcycle according to claim 1, characterised in that the connection seat is at the rear end of the rear fork support (1).

3. The adjusting device for the rear wheel of the electric cross country motorcycle as claimed in claim 1 or 2, characterized in that the connecting base comprises an upper ring arm (5) and a lower ring arm (6), a circular mounting position is arranged between the upper ring arm (5) and the lower ring arm (6), one ends of the upper ring arm (5) and the lower ring arm (6) are connected to form an integral structure, and the other ends of the upper ring arm (5) and the lower ring arm (6) are close to each other and do not abut against each other.

4. The adjusting device for the rear wheel of the electric dirtbike motorcycle as claimed in claim 3, wherein the limit connecting structure comprises a fastening bolt (7), the other end of the upper hoop arm (5) is provided with a through hole, the other end of the lower hoop arm (6) is provided with an internal threaded hole, the fastening bolt (7) is screwed and connected to the internal threaded hole of the lower hoop arm (6) through the through hole of the upper hoop arm (5), the cam (4) is located in the circular mounting position and fastens and connects the other ends of the upper hoop arm (5) and the lower hoop arm (6) through the fastening bolt (7), and when the other ends of the upper hoop arm (5) and the lower hoop arm (6) are fastened and connected, the outer wall of the cam (4) is in friction contact with the inner walls of the upper hoop arm (5) and the lower hoop arm (6).

5. The adjusting device for the rear wheel of the electric dirtbike motorcycle as claimed in claim 4, characterized in that the outer wall of the cam (4) is provided with more than one arc-shaped sawtooth part (8), the cam (4) is further symmetrically provided with reinforcing holes (9) for preventing the cam (4) from deforming, and a hexagonal socket support hole (10) is further arranged between the two reinforcing holes (9).

6. The adjusting device for the rear wheel of the electric dirtbike motorcycle as claimed in claim 5, characterized in that the outer wall of the lower arm (6) is fixedly provided with a reference mark notch (11), the outer end surface of the cam (4) is also marked with an angle scale mark (12), and the reference mark notch (11) is aligned with the angle scale mark (12).