CN216070303U

CN216070303U - Mudguard mounting structure of belt-driven bicycle

Info

Publication number: CN216070303U
Application number: CN202121505342.0U
Authority: CN
Inventors: 江苏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-03-18
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a mudguard mounting structure of a belt transmission type bicycle, which comprises a bicycle frame body, a front fork, a rear wheel, a front wheel, a main belt wheel, a secondary belt wheel and a toothed belt sleeved on the main belt wheel and the secondary belt wheel, wherein the rear end of the bicycle frame body is bilaterally symmetrically provided with fixed blocks, the inner sides of the two fixed blocks are respectively provided with a supporting block, the rear wheel is connected with the secondary belt wheel and rotatably mounted between the two supporting blocks, the fixed blocks are provided with more than one inverted U-shaped rear supporting steel bar, the rear supporting steel bar is provided with a rear mudguard, the rear supporting steel bar and the rear wheel are not arranged on the same axle center, and further, when the rear wheel or the rear mudguard needs to be dismounted, the structure is simple, and the dismounting and the mounting are extremely convenient.

Description

Mudguard mounting structure of belt-driven bicycle

Technical Field

The utility model relates to the technical field of bicycles, in particular to a fender mounting structure of a belt-driven bicycle.

Background

A bicycle, also known as a bicycle or a bicycle, is a two-wheeled small land vehicle generally, and is a green vehicle by taking a pedal as power after a person rides the bicycle.

The chain of the bicycle in the prior art is often clamped and falls off during the use process, so that the bicycle is inconvenient to ride, meanwhile, the chain is easy to clamp trousers, easily breaks or damages the trousers, and lubricating oil needs to be added to the chain regularly; so the prior art designs a belt drive type bicycle.

However, the rear wheel of the existing belt-driven bicycle and the supporting steel bar connected with the mud guard are all on the same axle center, and the rear wheel and the supporting steel bar are fixed together through the bolts, so that the rear wheel or the supporting steel bar is required to be detached independently, and the rear wheel and the supporting steel bar are required to be detached, which is extremely troublesome.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a fender mounting structure of a belt-driven bicycle, which solves at least one of the problems of the related art.

In order to achieve the purpose, the utility model adopts the following scheme: the utility model provides a fender mounting structure of belt drive formula bicycle, this bicycle is including frame body, front fork, rear wheel, front wheel, primary pulley, secondary pulley and the cingulum that the cover was located on primary pulley and the secondary pulley the rear end bilateral symmetry of frame body is equipped with the fixed block, two the inboard of fixed block all is equipped with the supporting shoe, the rear wheel is connected and rotates with the secondary pulley and installs between two supporting shoes be equipped with the more than one back supporting billet that is the font of falling U on the fixed block be equipped with the back fender on the back supporting billet.

Furthermore, the rear support steel bar is fixed on the fixing block through a first bolt, a circular ring is arranged at the lower end of the rear support steel bar, a through hole is formed in the fixing block, and the threaded portion of the first bolt sequentially penetrates through the circular ring and the through hole to be in threaded connection with the supporting block.

Preferably, the through hole is an elliptical hole.

Further, the frame body is including last pipe, low tube, riser, back upper fork, back lower fork and head tube, fixed block welded connection is in the back upper fork and the rear end of back lower fork, the head fork sets up on the head tube.

Preferably, the rear support steel bar is provided with two.

Furthermore, the lower end bilateral symmetry of front fork has the connecting block, the front wheel rotates and installs between two connecting blocks install preceding supporting billet through the second bolt on the connecting block be equipped with preceding fender mud board on the preceding supporting billet, the axle center of second bolt and the axle center of front wheel are not on same straight line.

In conclusion, the utility model has the beneficial effects that: through not setting up on same axle center with back supporting steel bar and rear wheel, and then, when rear wheel or rear fender were dismantled to needs, all can be solitary dismantle, simple structure dismantles and installs extremely convenience.

Drawings

FIG. 1 is a perspective view of the bicycle of the present invention.

FIG. 2 is an enlarged view of the utility model at A in FIG. 1.

Fig. 3 is a partially exploded view of the present invention.

Description of reference numerals: 1. a frame body; 2. a front fork; 3. a rear wheel; 4. a front wheel; 5. a primary pulley; 6. a secondary pulley; 7. a toothed belt; 8. a fixed block; 9. a support block; 10. a rear support steel bar; 11. a rear fender; 21. a first bolt; 22. a circular ring; 23. a through hole; 41. feeding a pipe; 42. a lower pipe; 43. a riser; 44. a rear upper fork; 45. a rear lower fork; 46. a head tube; 61. connecting blocks; 62. a second bolt; 63. the front support steel bar; 64. a front fender.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the utility model. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature during use or operation of the device, and may include different orientations of the device during use or operation of the device as illustrated in the figures. The devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the utility model, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The utility model is further described in the following figures and detailed description: as shown in fig. 1 to 3, a fender mounting structure of a belt-driven bicycle comprises a frame body 1, a front fork 2, a rear wheel 3, a front wheel 4, a primary pulley 5, a secondary pulley 6, and a toothed belt 7 sleeved on the primary pulley 5 and the secondary pulley 6, the rear end of the frame body 1 is symmetrically provided with fixed blocks 8 at the left and right, the inner sides of the two fixed blocks 8 are provided with supporting blocks 9, the rear wheel 3 is connected with the secondary belt wheel 6 and is rotatably arranged between the two supporting blocks 9, more than one inverted-U-shaped rear supporting steel bar 10 is arranged on the fixed block 8, a rear mudguard 11 is arranged on the rear supporting steel bar 10, the rear supporting steel bar 10 and the rear wheel 3 are not arranged on the same axle center, furthermore, when the rear wheel 3 or the rear mudguard 11 needs to be detached, the rear wheel or the rear mudguard can be detached independently, the structure is simple, and the detachment and the installation are very convenient.

Referring to fig. 1, the frame body 1 includes an upper tube 41, a lower tube 42, a vertical tube 43, a rear upper fork 44, a rear lower fork 45 and a front tube 46, the fixing block 8 is welded to the rear ends of the rear upper fork 44 and the rear lower fork 45, and the front fork 2 is disposed on the front tube 46.

Referring to fig. 2 and 3, the rear support steel bar 10 is fixed on the fixing block 8 by a first bolt 21, a ring 22 is arranged at the lower end of the rear support steel bar 10, a through hole 23 is formed in the fixing block 8, a threaded portion of the first bolt 21 sequentially penetrates through the ring 22 and the through hole 23 to be in threaded connection with the support block 9, and during installation, a threaded portion of the first bolt 21 penetrates through the ring 22 and the through hole 23 to be in threaded connection with the support block 9, so that the rear support steel bar 10 is fixed, and the rear support steel bar fixing device is simple in structure and convenient to install.

In order to allow the first bolt 21 to better engage with the support block 9, the through hole 23 is an elliptical hole.

In order to allow the rear fender 11 to be more stably fixed, the rear support steel bar 10 is provided in two.

Referring to fig. 1, the lower end of the front fork 2 is symmetrically provided with connecting blocks 61, the front wheel 4 is rotatably mounted between the two connecting blocks 61, a front supporting steel bar 63 is mounted on the connecting blocks 61 through a second bolt 62, a front fender 64 is arranged on the front supporting steel bar 63, and the axis of the second bolt 62 is not aligned with the axis of the front wheel 4.

The bicycle of the present invention is not limited to which type of bicycle, and may be a child bicycle, etc.

While there have been shown and described the fundamental principles and principal features of the utility model and advantages thereof with reference to the drawings, it will be understood by those skilled in the art that the utility model is not limited to the embodiments described above, which are given by way of illustration of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fender mounting structure of belt drive formula bicycle, this bicycle is including frame body (1), front fork (2), rear wheel (3), front wheel (4), primary pulley (5), secondary pulley (6) and cover tooth belt (7) of locating on primary pulley (5) and secondary pulley (6), its characterized in that: rear end bilateral symmetry of frame body (1) is equipped with fixed block (8), two the inboard of fixed block (8) all is equipped with supporting shoe (9), rear wheel (3) are connected and rotate with secondary pulley (6) and are installed between two supporting shoes (9) be equipped with more than one back support billet (10) that are the font of falling U be equipped with back fender (11) on back support billet (10).

2. The fender mounting structure of a belt-driven bicycle according to claim 1, wherein: after support billet (10) are fixed on fixed block (8) through first bolt (21), the lower extreme of after support billet (10) is equipped with ring (22) be equipped with through-hole (23) on fixed block (8), the screw thread portion of first bolt (21) passes ring (22), through-hole (23) in proper order and carries out threaded connection with supporting shoe (9).

3. The fender mounting structure of a belt-driven bicycle according to claim 2, wherein: the through hole (23) is an elliptical hole.

4. The fender mounting structure of a belt-driven bicycle according to claim 1, wherein: frame body (1) is including last pipe (41), low tube (42), riser (43), back upper fork (44), back lower fork (45) and head tube (46), fixed block (8) welded connection is in the back upper fork (44) and the rear end of back lower fork (45), front fork (2) set up in the head tube (46).

5. The fender mounting structure of a belt-driven bicycle according to any one of claims 1 to 4, wherein: the rear supporting steel bars (10) are provided with two.

6. The fender mounting structure of a belt-driven bicycle according to claim 1, wherein: the lower extreme bilateral symmetry of front fork (2) has connecting block (61), front wheel (4) rotate to be installed between two connecting blocks (61) preceding support billet (63) are installed through second bolt (62) on connecting block (61) be equipped with preceding fender mud board (64) on preceding support billet (63), the axle center of second bolt (62) is not on same straight line with the axle center of front wheel (4).