CN216301354U

CN216301354U - Adjusting device of rear wheel of electric bicycle

Info

Publication number: CN216301354U
Application number: CN202122293317.7U
Authority: CN
Inventors: 王丽荣
Original assignee: Taizhou Zhilong Technology Co ltd
Current assignee: Taizhou Zhilong Technology Co ltd
Priority date: 2021-09-20
Filing date: 2021-09-20
Publication date: 2022-04-15
Anticipated expiration: 2031-09-20

Abstract

The utility model provides a rear wheel adjusting device of an electric bicycle, and belongs to the technical field of rear wheel adjustment of electric bicycles. It has solved the problem of relative slope dislocation is adjusted at the both ends of current electric bicycle's connecting axle. The adjusting device for the rear wheel of the electric bicycle comprises a rear bottom fork and a rear wheel, wherein the rear wheel is rotatably arranged on the rear bottom fork through a rear wheel shaft, and adjusting devices for adjusting the front and rear horizontal displacement of the rear wheel shaft on the rear bottom fork are respectively arranged between the rear bottom fork and two ends of the rear wheel shaft; the adjusting device comprises an adjusting block and an adjusting bolt, wherein the adjusting block is matched with the rear flat fork in a sliding guide manner and sleeved on a rear wheel shaft, the adjusting bolt is movably arranged on the rear flat fork, and the adjusting bolt and the adjusting block are in threaded connection and are used for adjusting the sliding displacement of the adjusting block on the rear flat fork. The two ends of the rear wheel shaft can be stably and synchronously guided to adjust the same adjusting distance, the adjustment and the use are convenient, and the relative dislocation of the adjustment of the two ends of the rear wheel shaft can be effectively prevented.

Description

Adjusting device of rear wheel of electric bicycle

Technical Field

The utility model belongs to the technical field of rear wheel adjustment of electric bicycles, and relates to a rear wheel adjusting device of an electric bicycle.

Background

The adjustment of the rear wheel of the electric vehicle appears in the existing market, for example, Chinese patent numbers are as follows: the "201820673014.3" authorization notice number is: CN208233257U the regulation structure of two round electric motor car rear wheels, 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 abutted to the outer side wall of the square guide block.

In the structure, the two ends of the connecting shaft are easy to adjust and move, so that the two ends of the connecting shaft are inclined when adjusted at the same adjusting distance, and when the two ends of the connecting shaft are adjusted to be inclined and staggered relatively, the rear driving wheel is driven, so that the connecting shaft is worn on one side, the driving is easy to shift, and the service life is short.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a rear wheel adjusting device of an electric bicycle, which has a simple structure and can stably and synchronously guide and adjust two ends of a rear wheel shaft to the same adjusting distance.

The purpose of the utility model can be realized by the following technical scheme: the adjusting device for the rear wheel of the electric bicycle comprises a rear fork and a rear wheel, wherein the rear wheel is rotatably arranged on the rear fork through a rear wheel shaft; the adjusting device comprises an adjusting block and an adjusting bolt, the adjusting block is matched with the rear flat fork in a sliding guide mode and sleeved on the rear wheel shaft, the adjusting bolt is movably arranged on the rear flat fork, and the adjusting bolt is in threaded connection with the adjusting block and used for adjusting the sliding displacement of the adjusting block on the rear flat fork.

This adjusting device of electric bicycle's rear wheel sets up the regulating block, and this regulating block sliding guide cooperates on the back chain stay and the cover is established on the rear wheel axle, and the screw action through adjusting bolt is used in the regulating block, and the guide displacement of regulating block and back chain stay is adjusted, adjusts stable in structure, long service life.

In foretell adjusting device of electric bicycle's rear wheel, the back chain stay on have the bar guide way that the level set up, the regulating block be the rectangle structure, this regulating block set up in the bar guide way of back chain stay in and with the bar guide way direction sliding fit of back chain stay, regulating block and back chain stay between be provided with the direction screens structure that prevents the regulating block and slide in the bar guide way of back chain stay and arouse the drunkenness displacement. The purpose that sets up like this makes the regulating block slide steering adjust more steady on the back chain stay, stable in structure, long service life.

In the adjusting device for the rear wheel of the electric bicycle, the guide clamping structure comprises a guide protrusion seat which is arranged on the inner wall of the adjusting block in an inward protruding mode, a guide channel which is arranged horizontally is arranged at the bottom of the strip-shaped guide groove of the rear bottom fork, and the guide protrusion seat of the adjusting block is guided to be clamped in the guide channel at the bottom of the strip-shaped guide groove of the rear bottom fork in a sliding mode. The adjusting block is attached to the bottom of the strip-shaped guide groove of the rear bottom fork, and the guide protruding seat is guided in a guide way located at the bottom of the strip-shaped guide groove of the rear bottom fork, so that the structural stability is high.

In the above-mentioned adjusting device for the rear wheel of the electric bicycle, the guide boss is located at the end of the outer end of the adjusting block and is formed into an integral structure with the adjusting block. The purpose that sets up like this can ensure the mechanical strength that regulating block, direction bellying seat are connected, and structural stability is high.

In the adjusting device for the rear wheel of the electric bicycle, the guide protrusion seat is provided with a connecting hole which is horizontally arranged, the hole opening of the connecting hole is distributed backwards, the inner wall of the connecting hole is provided with an internal thread, the adjusting bolt is movably arranged at the rear end of the rear fork, and the adjusting bolt is in screw fit with the internal thread in the connecting hole of the guide protrusion seat. The adjusting bolt and the internal thread in the connecting hole of the guide boss are driven in a spiral mode, stepless adjustment can be achieved, and adjustment is convenient.

In the adjusting device for the rear wheel of the electric bicycle, the rear end of the rear bottom fork is provided with a connecting plate which is clamped and abutted, and the adjusting bolt is movably arranged on the connecting plate. This adjusting bolt and connecting plate normal running fit, the purpose that sets up like this can prevent effectively that adjusting bolt is at the connecting plate axial displacement.

In the adjusting device for the rear wheel of the electric bicycle, the rear wheel shaft is further sleeved with a spacer sleeve, the outer wall of the spacer sleeve is provided with a clamping protrusion which is arranged in a radial protruding mode, and the clamping protrusion is guided to slide and clamped in a guide channel at the bottom of a strip-shaped guide groove of the rear fork. The purpose that sets up like this makes rear axle guide displacement more steady on the back chain stay, and structural stability is high, long service life.

Compared with the prior art, this adjusting device of electric bicycle's rear wheel's advantage does: structural design is reasonable, simple, and the both ends of rear axle can stabilize synchronous direction and adjust the same regulation distance, adjust convenient to use, can effectively prevent the both ends of rear axle from adjusting relative dislocation through setting up regulating block, spacer sleeve, 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 bicycle.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic perspective view of a rear wheel of the adjusting device for a rear wheel of an electric bicycle.

Fig. 4 is an enlarged schematic view of a portion B in fig. 3.

In the figure, 1, a rear bottom fork; 2. a rear wheel; 3. a rear wheel axle; 4. an adjusting block; 5. adjusting the bolt; 6. a strip-shaped guide groove; 7. a guide boss seat; 8. a guide way; 9. a connecting plate; 10. a spacer sleeve; 11. and (6) clamping and protruding.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the adjusting device for the rear wheel of the electric bicycle mainly comprises a rear bottom fork 1 and a rear wheel 2, wherein the rear wheel 2 is rotatably arranged on the rear bottom fork 1 through a rear wheel shaft 3, and adjusting devices for adjusting the front and rear horizontal displacements of the rear wheel shaft 3 on the rear bottom fork 1 are respectively arranged between the rear bottom fork 1 and the two ends of the rear wheel shaft 3; in actual manufacturing, the specific implementation of the adjusting device is as follows: mainly by regulating block 4 and adjusting bolt 5 constitute, regulating block 4 sliding guide cooperates on back chain stay 1 and the cover is established on rear wheel axle 3, and adjusting bolt 5 activity sets up on back chain stay 1, and this adjusting bolt 5 and regulating block 4 screwed connection are used for the sliding displacement of regulating block 4 at back chain stay 1 to adjust.

During actual manufacturing, the rear bottom fork 1 is provided with a horizontally arranged strip-shaped guide groove 6, the adjusting block 4 is of a rectangular structure, the adjusting block 4 is arranged in the strip-shaped guide groove 6 of the rear bottom fork 1 and is in guide sliding fit with the strip-shaped guide groove 6 of the rear bottom fork 1, and a guide clamping structure for preventing the adjusting block 4 from sliding in the strip-shaped guide groove 6 of the rear bottom fork 1 to cause shifting displacement is arranged between the adjusting block 4 and the rear bottom fork 1; specifically, the method comprises the following steps: the concrete implementation mode of this direction screens structure does: the inner wall of the adjusting block 4 is provided with an inward convex guide bulge seat 7, the bottom of the strip-shaped guide groove 6 of the rear bottom fork 1 is provided with a horizontally arranged guide channel 8, and the guide bulge seat 7 of the adjusting block 4 is guided and slidably clamped in the guide channel 8 at the bottom of the strip-shaped guide groove 6 of the rear bottom fork 1; in actual manufacturing, the guide boss 7 is located at the end of the outer end of the adjusting block 4 and is formed as an integral structure with the adjusting block 4.

In practical application, the guide boss seat 7 is provided with a connecting hole which is horizontally arranged, the orifice of the connecting hole is distributed backwards, the inner wall of the connecting hole is provided with an internal thread, the adjusting bolt 5 is movably arranged at the rear end of the rear bottom fork 1, and the adjusting bolt 5 is in screw fit with the internal thread in the connecting hole of the guide boss seat 7; the rear end of the rear bottom fork 1 is provided with a connecting plate 9 which is clamped and abutted, and the adjusting bolt 5 is movably arranged on the connecting plate 9.

During actual manufacturing, the rear axle 3 is further sleeved with a spacing sleeve 10, the outer wall of the spacing sleeve 10 is provided with a clamping protrusion 11 which is protruded in the radial direction, and the clamping protrusion 11 is guided to slide and clamped in the guide channel 8 at the bottom of the strip-shaped guide groove 6 of the rear bottom fork 1.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The adjusting device for the rear wheel of the electric bicycle comprises a rear bottom fork (1) and a rear wheel (2), wherein the rear wheel (2) is rotatably arranged on the rear bottom fork (1) through a rear wheel shaft (3), and is characterized in that adjusting devices for adjusting the front and rear horizontal displacement of the rear wheel shaft (3) on the rear bottom fork (1) are respectively arranged between the two ends of the rear bottom fork (1) and the rear wheel shaft (3); the adjusting device comprises an adjusting block (4) and an adjusting bolt (5), the adjusting block (4) is matched with the rear bottom fork (1) in a sliding guide mode and sleeved on the rear wheel shaft (3), the adjusting bolt (5) is movably arranged on the rear bottom fork (1), and the adjusting bolt (5) and the adjusting block (4) are in threaded connection and used for adjusting the sliding displacement of the adjusting block (4) on the rear bottom fork (1); the rear bottom fork (1) is provided with a horizontally arranged strip-shaped guide groove (6), the adjusting block (4) is of a rectangular structure, the adjusting block (4) is arranged in the strip-shaped guide groove (6) of the rear bottom fork (1) and is in guide sliding fit with the strip-shaped guide groove (6) of the rear bottom fork (1), and a guide clamping structure for preventing the adjusting block (4) from sliding in the strip-shaped guide groove (6) of the rear bottom fork (1) to cause shifting displacement is arranged between the adjusting block (4) and the rear bottom fork (1); the guide clamping structure comprises a guide protruding seat (7) which is arranged in an inward protruding mode and is arranged on the inner wall of the adjusting block (4), a guide channel (8) which is horizontally arranged is arranged at the bottom of the strip-shaped guide groove (6) of the rear bottom fork (1), and the guide protruding seat (7) of the adjusting block (4) is guided to slide and clamped in the guide channel (8) at the bottom of the strip-shaped guide groove (6) of the rear bottom fork (1).

2. The adjusting device for the rear wheel of the electric bicycle as claimed in claim 1, wherein the guide boss (7) is located at the end of the outer end of the adjusting block (4) and is formed as an integral structure with the adjusting block (4).

3. The adjusting device for the rear wheel of the electric bicycle as claimed in claim 2, wherein the guide boss (7) has a horizontally disposed connecting hole, the hole opening of the connecting hole is distributed towards the rear, an internal thread is disposed on the inner wall of the connecting hole, the adjusting bolt (5) is movably disposed at the rear end of the rear fork (1), and the adjusting bolt (5) is screw-fitted with the internal thread in the connecting hole of the guide boss (7).

4. The adjusting device of the rear wheel of the electric bicycle as claimed in claim 3, characterized in that the rear end of the rear fork (1) is provided with a connecting plate (9) which is clamped and abutted against, and the adjusting bolt (5) is movably arranged on the connecting plate (9).

5. The adjusting device for the rear wheel of the electric bicycle as claimed in claim 4, characterized in that the rear wheel shaft (3) is further sleeved with a spacer sleeve (10), the outer wall of the spacer sleeve (10) is provided with a radially protruding clamping protrusion (11), and the clamping protrusion (11) is guided to slide in a guide channel (8) at the bottom of the strip-shaped guide groove (6) of the rear fork (1).