CN219154663U

CN219154663U - Motorcycle and belt transmission structure thereof

Info

Publication number: CN219154663U
Application number: CN202220656495.3U
Authority: CN
Inventors: 齐畅畅; 张东锋; 黎健斌; 黄锦祥; 陈炳联
Original assignee: Guangdong Jianya Motorcycle Technology Co ltd
Current assignee: Guangdong Jianya Motorcycle Technology Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2023-06-09
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a motorcycle and a belt transmission structure thereof, wherein the belt transmission structure comprises: a vehicle body provided with a drive wheel; the rocker arm is detachably connected with a bracket, and the bracket can slide and be fixed relative to the rocker arm; the support is used for connecting a vehicle body, the rocker arm is provided with a driven wheel, and the driven wheel is connected with the driving wheel through belt transmission; and the adjusting bolt is in threaded connection with the rocker arm, one end of the adjusting bolt abuts against the support and is used for adjusting the relative position of the rocker arm and the support so as to tension the belt. The motorcycle is provided with a belt transmission structure. According to the motorcycle and the belt transmission structure thereof, the problem that transmission setting is difficult due to the fact that a rear wheel is too wide is solved, and the belt transmission is stable, maintenance-free, long in service life, small in motion inertia, good in speed increasing effect, small in noise in the running process of a vehicle and capable of effectively improving driving experience.

Description

Motorcycle and belt transmission structure thereof

Technical Field

The utility model relates to the technical field of motorcycles, in particular to a motorcycle and a belt transmission structure thereof.

Background

The two-wheel motorcycle is driven by gasoline engine and steering front wheel by handle, and is composed of engine, drive system, running system, steering and braking system and electric instrument. The most common transmission mode of the common motorcycle adopts chain transmission, the chain transmission has simple structure, convenient maintenance and low price, but has some defects, such as abrasion and elongation of the chain, easy rust, maintenance in use, obvious loud noise and large movement inertia (the fuel consumption is increased and the performance is reduced from a certain angle); meanwhile, the problem that the transmission setting is difficult due to the fact that the rear wheel is too wide exists.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a motorcycle and a belt transmission structure thereof, which have the advantages of stable transmission, low noise, no maintenance, long service life, small motion inertia, little maintenance in the later period and suitability for high-speed ratio transmission.

According to an embodiment of the first aspect of the present utility model, a belt transmission structure includes: a vehicle body provided with a drive wheel; the rocker arm is detachably connected with a bracket, and the bracket can slide and be fixed relative to the rocker arm; the support is used for connecting the car body, the rocker is provided with a driven wheel, and the driven wheel is connected with the driving wheel through belt transmission; and the adjusting bolt is in threaded connection with the rocker arm, one end of the adjusting bolt abuts against the support and is used for adjusting the relative position of the rocker arm and the support so as to tension the belt.

According to the belt transmission structure provided by the embodiment of the first aspect of the utility model, at least the following technical effects are achieved: the belt transmission is adopted, so that the problem of difficult transmission setting caused by too wide rear wheels is solved, and the belt transmission has the advantages of stability, low noise, long service life and the like, can improve the dynamic property and acceleration performance of an engine, and is suitable for high-speed-ratio transmission; the belt tensioning device is provided with the adjusting bolt, can simply and conveniently tension and adjust the belt, omits a tensioning structure specially arranged, and is simple in structure and convenient to maintain.

According to some embodiments of the utility model, one end of the rocker arm is provided with a chute, and the bracket is slidably mounted in the chute and is connected with a locking structure to fix the relative positions of the bracket and the rocker arm.

According to some embodiments of the utility model, the rocker arm is provided with a bar-shaped hole communicated with the chute, the locking structure is a locking bolt, and the locking bolt penetrates through the bar-shaped hole and can slide along the bar-shaped hole; the support is provided with a screw hole in threaded connection with the locking bolt.

According to some embodiments of the utility model, an embedded groove is formed in the bottom of the sliding groove, the embedded groove is communicated with a threaded hole, and the adjusting bolt is in threaded connection with the threaded hole; the support is connected with an embedded block, the embedded block can be embedded into the embedded groove and props against the adjusting bolt, and the adjusting bolt can be rotated to drive the embedded block to slide along the embedded groove, so that the support is driven to slide along the sliding groove.

According to some embodiments of the utility model, an axle hole is arranged at one end of the rocker arm away from the sliding groove, a connecting shaft penetrates through the axle hole, and the driven wheel is connected to one end of the connecting shaft.

According to some embodiments of the utility model, the bracket comprises a cross bar frame for connection with a vehicle body and a connection plate detachably connected with the cross bar frame for connection with a shock absorbing device; the cross bar frame is slidably mounted in the sliding groove, and the embedded block is connected with the cross bar frame.

According to some embodiments of the utility model, the cross bar frame comprises two mounting holes arranged at intervals, and a shaft lever is penetrated in the mounting holes; the vehicle body part is arranged between the two mounting holes and is connected through the shaft rod.

A motorcycle according to an embodiment of a second aspect of the present utility model includes the belt transmission structure of the embodiment of the first aspect. Has at least the following technical effects: the speed-up effect is good, and the vehicle is little in the noise of traveling, and the transmission is stable, can reduce the maintenance, promotes driving experience.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of a mounting structure of an embodiment of the present utility model;

FIG. 2 is an exploded view of an embodiment of the present utility model;

FIG. 3 is a front view of a swing arm of an embodiment of the utility model;

fig. 4 is a sectional view taken along the direction a-a in fig. 3.

Reference numerals:

a drive wheel 100, a belt 110;

rocker arm 200, chute 210, bar-shaped hole 220, locking bolt 221, embedded groove 230, threaded hole 240, adjusting bolt 241, shaft hole 250, connecting shaft 251, driven wheel 252, adjusting hole 260;

the bracket 300, the cross rod bracket 310, the mounting hole 311, the shaft lever 312, the connection plate 320, and the insert 330.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 4, a belt transmission structure according to an embodiment of a first aspect of the present utility model includes: a vehicle body to which the drive wheel 100 is mounted; the driving wheel 100 is generally installed adjacent to an engine of a motorcycle, the driving wheel 100 is connected with a driving shaft for driving the driving wheel 100 to rotate around the axis of the driving wheel, and the engine drives the driving shaft to rotate so as to drive the driving wheel 100 to rotate. The drive wheel 100 is generally fixedly mounted to the vehicle body and is not movable.

The rocker arm 200 is detachably connected with a bracket 300, and the bracket 300 can slide and be fixed relative to the rocker arm 200; the bracket 300 is used for connecting a vehicle body, the rocker arm 200 is provided with a driven wheel 252, and the driven wheel 252 is in transmission connection with the driving wheel 100 through a belt 110; as shown in fig. 1 and 4, the rocker arm 200 adopts a single rocker arm 200 structure, which can effectively reduce the weight of the vehicle body and improve the structural utilization rate of the rocker arm 200. In order to further improve the weight of the rocker arm 200, a part of hollow structure is further arranged in the middle of the rocker arm 200, so that the weight is reduced, and the ornamental value is improved. The bracket 300 is coupled to the vehicle body, and the bracket 300 is slidably and fixedly secured with respect to the swing arm 200, thereby facilitating tension adjustment of the belt 110 between the drive pulley 100 and the driven pulley 252.

Further, the belt 110 is a toothed belt 110, and the peripheral walls of the driving pulley 100 and the driven pulley 252 are provided with tooth grooves corresponding to the toothed belt 110.

An adjusting bolt 241, which is screwed with the swing arm 200 and has one end abutting against the bracket 300, is used to adjust the relative positions of the swing arm 200 and the bracket 300 to tighten the belt 110. The tensioning structure specially arranged is omitted, the structure is simple, and the maintenance is convenient.

According to the belt transmission structure of the embodiment of the utility model, the rear wheel of the motorcycle is wider, the rear wheel reaches 360mm, common chain transmission is not only inconvenient to install, but also has the problems of frequent maintenance and poor speed increasing effect, so the belt transmission structure solves the problem of difficult transmission setting caused by too wide rear wheel by adopting the belt 110 transmission, and the belt 110 transmission has the advantages of stability, low noise, long service life and the like, can improve the dynamic property and the acceleration performance of an engine, and is suitable for high-speed ratio transmission.

In some embodiments of the present utility model, a sliding slot 210 is provided at one end of the rocker arm 200, and a bracket 300 is slidably mounted in the sliding slot 210 and is connected with a locking structure to fix the relative positions of the bracket 300 and the rocker arm 200. Specifically, the extending direction of the sliding groove 210 is the length direction of the rocker arm 200, the rocker arm 200 is designed with a certain ornamental value, the opening of the sliding groove 210 faces the vehicle body direction, and the sliding groove 210 cannot be observed from the outside.

In some embodiments of the present utility model, the rocker arm 200 is provided with a bar-shaped hole 220 communicated with the chute 210, the locking structure is a locking bolt 221, and the locking bolt 221 is arranged in the bar-shaped hole 220 in a penetrating manner and can slide along the bar-shaped hole 220; the bracket 300 is provided with a screw hole screw-coupled with the locking bolt 221. Specifically, as shown in fig. 2 and 3, a plurality of bar-shaped holes 220 are provided, each adjusting hole 260 is internally provided with a locking bolt 221, and the bracket 300 is correspondingly provided with a plurality of screw holes corresponding to the locking bolts 221. When the belt 110 is tensioned, the locking bolt 221 is loosened, the adjusting bolt 241 is rotated to adjust the relative positions of the swing arm 200 and the bracket 300, and finally the locking bolt 221 is locked to fix the relative positions of the swing arm 200 and the bracket 300.

In some embodiments of the present utility model, an embedded groove 230 is arranged at the bottom of the sliding groove 210, the embedded groove 230 is communicated with a threaded hole 240, and an adjusting bolt 241 is in threaded connection with the threaded hole 240; the bracket 300 is connected with an embedded block 330, the embedded block 330 can be embedded into the embedded groove 230 and is propped against the adjusting bolt 241, and the adjusting bolt 241 can be rotated to drive the embedded block 330 to slide along the embedded groove 230, so that the bracket 300 is driven to slide along the chute 210. Specifically, as shown in fig. 3 and 4, the extending direction of the threaded hole 240 is consistent with the extending direction of the chute 210, and it should be noted that the adjusting bolt 241 can push the bracket 300 toward the driving wheel 100, or the adjusting bolt 241 abuts against a side of the embedded block 330 away from the driving wheel 100, and the rotating adjusting bolt 241 can push the swing arm to move away from the driving wheel 100 to tighten the belt 110.

Further, the insert 330 is coupled to the bracket 300 by bolts, and the size of the insert 330 is smaller than that of the insert groove 230, so that the insert 330 has a sliding space in the insert groove 230. The distance that the insert 330 can slide in the insert groove 230 should be no greater than the distance that the locking bolt 221 can slide along the bar-shaped hole 220.

It will be appreciated that the insert 330 may be fixedly coupled to the bracket 300.

In some embodiments of the utility model, the swing arm is further provided with an adjustment hole 260, the adjustment hole 260 being used to adjust the adjustment bolt 241. The other end of the adjustment bolt 241, which abuts against the bracket 300, is exposed at the adjustment hole 260 so that the adjustment bolt 241 is adjusted from the adjustment hole 260 by a tool.

In some embodiments of the present utility model, the bracket 300 includes a cross bar frame 310 and a connection plate 320 detachably connected to the cross bar frame 310, the cross bar frame 310 being for connection to a vehicle body, the connection plate 320 being for connection to a shock absorbing device; the rail frame 310 is slidably mounted to the chute 210, and the insert 330 is coupled to the rail frame 310. Specifically, as shown in fig. 2, the rail frame 310 and the connection plate 320 are connected by bolts, the rail frame 310 is connected to the vehicle body, and the connection plate 320 is connected to a damper device mounted to the vehicle body, which may be a damper cylinder or the like. The insert 330 is attached to the outer wall of the rail frame 310.

In some embodiments of the present utility model, the cross bar frame 310 includes two mounting holes 311 disposed at intervals, and a shaft 312 is inserted into the mounting holes 311; the body portion is mounted between the two mounting holes 311 and is connected by a shaft 312. The cross bar frame 310 is concave and comprises two short arms and a long arm which are oppositely arranged, and the two short arms are respectively and fixedly connected with two ends of the long arm. One of the short arms is slidably mounted in the chute 210, and one end of the short arm is fixedly connected to one end of the long arm. The two mounting holes 311 are respectively provided on the two opposite short arms of the cross bar frame 310, and are provided at one ends of the short arms away from the long arm, and the shaft lever 312 passes through one of the mounting holes 311, passes through the vehicle body mounted between the two short arms, and then passes into the other mounting hole 311.

In some embodiments of the present utility model, the end of the rocker arm 200 remote from the chute 210 is provided with a shaft hole 250, the shaft hole 250 is provided with a connecting shaft 251 in a penetrating manner, and the driven wheel 252 is connected to one end of the connecting shaft 251. Specifically, as shown in fig. 1 and 2, the other end of the connecting shaft 251 is connected to a rear tire, and a brake pad is provided on the connecting shaft 251.

A motorcycle according to an embodiment of a second aspect of the present utility model includes the belt transmission structure of the embodiment of the first aspect. The motorcycle provided with the belt transmission structure has the advantages of simple structure, attractive appearance, good speed increasing effect, small noise in the running process of the vehicle, stable transmission, reduction of maintenance and improvement of driving experience.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A belt drive structure, comprising:

a vehicle body on which a drive wheel (100) is mounted;

the rocker arm (200) is detachably connected with a bracket (300), and the bracket (300) can slide and be fixed relative to the rocker arm (200); the support (300) is used for being connected with the vehicle body, the rocker arm (200) is provided with a driven wheel (252), and the driven wheel (252) is in transmission connection with the driving wheel (100) through a belt (110);

and the adjusting bolt (241) is in threaded connection with the rocker arm (200) and one end of the adjusting bolt abuts against the support (300) and is used for adjusting the relative positions of the rocker arm (200) and the support (300) so as to tension the belt (110).

2. A belt drive as in claim 1 wherein: one end of the rocker arm (200) is provided with a chute (210), the bracket (300) is slidably arranged in the chute (210), and a locking structure is connected to fix the relative positions of the bracket (300) and the rocker arm (200).

3. A belt drive as in claim 2 wherein: the rocker arm (200) is provided with a strip-shaped hole (220) communicated with the chute (210), the locking structure is a locking bolt (221), and the locking bolt (221) penetrates through the strip-shaped hole (220) and can slide along the strip-shaped hole (220); the bracket (300) is provided with a screw hole in threaded connection with the locking bolt (221).

4. A belt drive as in claim 3 wherein: an embedded groove (230) is formed in the bottom of the sliding groove (210), the embedded groove (230) is communicated with a threaded hole (240), and the adjusting bolt (241) is in threaded connection with the threaded hole (240); the bracket (300) is connected with an embedded block (330), the embedded block (330) can be embedded into the embedded groove (230) and props against the adjusting bolt (241), the adjusting bolt (241) is rotated to drive the embedded block (330) to slide along the embedded groove (230), and then the bracket (300) is driven to slide along the sliding groove (210).

5. A belt drive as in claim 4 wherein: one end of the rocker arm (200) far away from the sliding groove (210) is provided with a shaft hole (250), the shaft hole (250) is provided with a connecting shaft (251) in a penetrating mode, and the driven wheel (252) is connected to one end of the connecting shaft (251).

6. A belt drive as in claim 4 wherein: the bracket (300) comprises a cross rod frame (310) and a connecting plate (320) detachably connected with the cross rod frame (310), wherein the cross rod frame (310) is used for being connected with a vehicle body, and the connecting plate (320) is used for being connected with a damping device; the cross bar frame (310) is slidably mounted on the sliding groove (210), and the embedded block (330) is connected with the cross bar frame (310).

7. A belt drive as in claim 6 wherein: the cross rod frame (310) comprises two mounting holes (311) which are arranged at intervals, and a shaft lever (312) is arranged in the mounting holes (311) in a penetrating manner; the body part is mounted between the two mounting holes (311) and is connected through the shaft lever (312).

8. A motorcycle, characterized in that: a belt drive comprising a belt structure as claimed in any one of claims 1 to 7.