CN112918195A

CN112918195A - Temporary auxiliary running device for bicycle

Info

Publication number: CN112918195A
Application number: CN202110374113.8A
Authority: CN
Inventors: 李煜
Original assignee: Shandong Jinteng Enterprise Management Co ltd
Current assignee: Shandong Jinteng Enterprise Management Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-06-08

Abstract

The embodiment of the invention discloses a temporary auxiliary driving device for a bicycle, which comprises a rear wheel shaft, a transmission assembly and a wheel replacing assembly, wherein the wheel replacing assembly comprises a replacing wheel shaft which is positioned right below the rear wheel during working, the left and right end surfaces of the replacing wheel shaft are connected with swing connecting shafts in a rotating matching way, replacing small wheels which are symmetrically arranged by taking the wheel as the center are fixedly connected on the replacing wheel shaft, the two replacing small wheels are respectively positioned at the left and right sides of the rear wheel of the bicycle, the transmission assembly comprises a driving chain wheel which is positioned at the left side of the bicycle and is fixedly connected with the rear wheel shaft, the device can replace the rear wheel to carry out temporary transmission when the rear wheel meets the sudden conditions that the bicycle can not be continuously ridden, such as tire burst, air leakage and the like, so that a rider can drive the bicycle to a repair place, the device is used as an emergency device for dealing with emergency situations, and can also be fixed on a vehicle to be matched with and provided with other auxiliary equipment such as a mudguard and the like during normal driving at ordinary times.

Description

Temporary auxiliary running device for bicycle

Technical Field

The embodiment of the invention relates to the technical field of bicycles, in particular to a temporary auxiliary driving device for a bicycle.

Background

At present, if the bicycle runs under the condition of sudden conditions such as puncture and air leakage of wheels or tire burst, the bicycle cannot run continuously, if the bicycle runs continuously under the condition, the bicycle is difficult to drive, the inner tube of the bicycle and a steel ring of the bicycle can be damaged in an irreversible manner, the condition generally occurs randomly, and the conventional auxiliary device which is lack of the device and can temporarily enable the bicycle to run for a section of distance under the condition of tire burst is adopted.

Disclosure of Invention

Therefore, the embodiment of the invention provides a temporary auxiliary driving device for a bicycle, which solves the problem that the bicycle cannot be continuously driven under the conditions of sudden tire burst and air leakage of a rear tire of the bicycle and the like

In order to achieve the above object, an embodiment of the present invention provides the following:

a temporary auxiliary driving device for a bicycle comprises a rear wheel shaft, a transmission assembly and a wheel replacing assembly;

the wheel replacing assembly comprises a replacing wheel shaft which is positioned right below the rear wheel during working, swing connecting shafts are connected and connected on the left end surface and the right end surface of the replacing wheel shaft in a rotating matching mode, replacing small wheels which are symmetrically arranged left and right by taking the wheel as the center are fixedly connected on the replacing wheel shaft, and the two replacing small wheels are respectively positioned on the left side and the right side of the rear wheel of the vehicle;

the transmission assembly comprises a driving chain wheel which is positioned on the left side of the vehicle and fixedly connected with the rear wheel shaft, a driven chain wheel which is positioned on the same plane with the driving chain wheel is connected to the substitute wheel shaft in a rotating fit mode, and a transmission chain is connected between the driven chain wheel and the driving chain wheel in a power fit mode.

The driven chain wheel is internally provided with a chain wheel slot with a leftward opening, the substitute wheel shaft is provided with a chain wheel shaft slot which is positioned on the same plane with the chain wheel slot, and a chain wheel bolt can be inserted between the chain wheel shaft slot and the chain wheel slot;

wherein the sprocket pin is capable of being secured between the driven sprocket and the replacement axle by friction of the sprocket socket and the sprocket shaft socket end walls.

The rear wheel axle is characterized in that the left end surface and the right end surface of the rear wheel axle are connected with a circular platform block in a rotating matching mode, and the end surface of the circular platform block, which is far away from the rear wheel axle, on one side is connected with a tail end rotating block in a rotating matching mode.

The tail end rotating blocks on the left side and the right side are respectively and fixedly connected with the swing connecting shafts on the left side and the right side;

the rotary table comprises a rear wheel shaft, a rear wheel shaft and a rotary block arranged at the tail end of the rear wheel shaft, wherein a triangular through hole which is communicated from left to right is formed in the tail end rotary block, and a triangular slot with an opening far away from the direction of the rear wheel shaft is formed in the rotary block.

The triangular through hole and the triangular slot are the same in aperture shape and size and are positioned on the same axis;

and a triangular bolt extending into the triangular slot towards the direction of the rear wheel shaft is inserted into the triangular through hole in a friction fit manner.

The embodiment of the invention has the following advantages:

the device can be in the bicycle driving process, can replace the rear wheel to carry out interim transmission so that the passerby can go to the repair place with the vehicle when the rear wheel meets the proruption situation that can't continue to ride such as flat tire gas leakage, the device is as an emergency device of reply proruption situation, also can fix other auxiliary assembly such as cooperation installation fender on the vehicle when normally going at ordinary times, can not disturb the normal driving of vehicle simultaneously, increases passerby's burden.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the invention, and do not limit the limit conditions of the invention, so that the invention has no technical essence, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical contents disclosed in the invention without affecting the efficacy and the achievable purpose of the invention.

Fig. 1 is a schematic view showing the overall construction of a temporary bicycle running aid in accordance with an embodiment of the present invention.

Fig. 2 is an enlarged schematic view of the present apparatus a.

Fig. 3 is an enlarged schematic view of the apparatus B.

FIG. 4 is a schematic view of the operation state of the device

Detailed Description

While embodiments of the present invention will be described with reference to particular embodiments, those skilled in the art will readily appreciate that the present invention has additional advantages and benefits that may be realized from the teachings herein, and that the embodiments described are only a few, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in FIGS. 1-4, the present invention provides a temporary bicycle auxiliary driving device, which includes a rear wheel axle 10, a transmission assembly and a wheel replacement assembly;

the wheel replacing component comprises a replacing wheel shaft 15 which is positioned right below the rear wheel during working, swing connecting shafts 12 are connected and arranged on the left end surface and the right end surface of the replacing wheel shaft 15 in a rotating matching mode, replacing small wheels 13 which are symmetrically arranged left and right by taking the wheel as the center are fixedly connected on the replacing wheel shaft 15, and the two replacing small wheels 13 are respectively positioned on the left side and the right side of the rear wheel of the vehicle;

the transmission assembly comprises a driving sprocket 19 which is positioned on the left side of the vehicle and fixedly connected with the rear wheel shaft 10, a driven sprocket 14 which is positioned on the same plane with the driving sprocket 19 is connected to the substitute wheel shaft 15 in a rotating fit mode, and a transmission chain 20 is connected between the driven sprocket 14 and the driving sprocket 19 in a power fit mode.

A sprocket slot 21 with a leftward opening is formed in the driven sprocket 14, a sprocket shaft slot 23 located on the same plane as the sprocket slot 21 is formed in the substitute wheel shaft 15, and a sprocket bolt 22 can be inserted between the sprocket shaft slot 23 and the sprocket slot 21.

The sprocket pin 22 can be fixed between the driven sprocket 14 and the substitute wheel shaft 15 by friction of the sprocket insert groove 21 and the sprocket shaft insert groove 23 end walls.

The left end surface and the right end surface of the rear wheel shaft 10 are connected with a circular platform block 11 in a rotating matching mode, and the end surface, far away from the rear wheel shaft 10, of the circular platform block 11 is connected with a tail end rotating block 16 in a rotating matching mode.

The tail end rotating blocks 16 on the left side and the right side are respectively and fixedly connected with the swing connecting shafts 12 on the left side and the right side;

a left-right through triangular through hole 17 is formed in the tail end rotating block 16, and a triangular slot 24 with an opening far away from the direction of the rear wheel shaft 10 is formed in the circular platform block 11.

The triangular through hole 17 and the triangular slot 24 have the same aperture shape and size and are positioned on the same axis;

the triangular through hole 17 is internally connected with a triangular bolt 18 which extends into the triangular slot 24 towards the direction of the rear wheel axle 10 in a friction fit mode.

When a vehicle normally runs, the included angle between the swing connecting shaft 12 and the ground is thirty degrees, the triangular bolt 18 is inserted into the triangular through hole 17 and the triangular inserting groove 24, the rotation of the swing connecting shaft 12 is limited, meanwhile, the chain wheel shaft inserting groove 23 is not connected with the chain wheel inserting groove 21 through the chain wheel bolt 22, the substitute wheel shaft 15 is connected with the driven chain wheel 14 through the bearing in a matched mode, the driven chain wheel 14 cannot be driven by the rotation of the transmission chain 20, and auxiliary equipment such as a mudguard can be installed on the substitute wheel shaft 15;

when the rear wheel of the vehicle is leaked and the tire burst and the like and cannot be ridden normally, the triangular bolt 18 is pulled out, the swing connecting shaft 12 rotates by one hundred twenty degrees by taking the circular truncated cone block 11 as the center until the swing connecting shaft is vertical to the ground, the triangular bolt 18 is inserted again, the swing connecting shaft 12 is fixed in a state of being vertical to the ground, meanwhile, the chain wheel bolt 22 is inserted between the chain wheel shaft slot 23 and the chain wheel slot 21, and the substitute wheel shaft 15 can drive the driven chain wheel 14 to rotate through the chain wheel bolt 22;

when the bicycle is ridden, the original transmission chain of the bicycle drives the rear wheel shaft 10 to rotate, the rear wheel shaft 10 drives the transmission chain 20 to rotate through the driving chain wheel 19, the transmission chain 20 drives the substitute wheel shaft 15 to rotate through the driven chain wheel 14, the substitute wheel shaft 15 drives the two side substitute small wheels 13 to rotate, at the moment, when a person rides, power is transmitted to the original tire, the substitute small wheels 13 are driven to rotate in the same direction, and the rear wheel which cannot be normally used is in a suspended state and is not contacted with the ground.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A temporary auxiliary driving device for a bicycle, comprising: comprises a rear wheel shaft (10), a transmission assembly and a wheel replacement assembly;

the wheel replacing assembly comprises a replacing wheel shaft (15) which is positioned right below the rear wheel during working, the left end surface and the right end surface of the replacing wheel shaft (15) are rotatably matched and connected with swing connecting shafts (12), replacing small wheels (13) which are symmetrically arranged left and right by taking the wheel as the center are fixedly connected on the replacing wheel shaft (15), and the two replacing small wheels (13) are respectively positioned on the left side and the right side of the rear wheel of the vehicle;

the transmission assembly comprises a driving chain wheel (19) which is positioned on the left side of the vehicle and fixedly connected with the rear wheel shaft (10), a driven chain wheel (14) which is positioned on the same plane with the driving chain wheel (19) is connected to the substitute wheel shaft (15) in a rotating matching mode, and a transmission chain (20) is connected between the driven chain wheel (14) and the driving chain wheel (19) in a power matching mode.

2. A temporary bicycle auxiliary driving device according to claim 1, wherein the driven sprocket (14) is provided with a sprocket insertion groove (21) opened to the left, the substitute wheel shaft (15) is provided with a sprocket insertion groove (23) located on the same plane as the sprocket insertion groove (21), and a sprocket insertion pin (22) is inserted between the sprocket insertion groove (23) and the sprocket insertion groove (21).

3. A temporary bicycle auxiliary driving device according to claim 2, wherein the sprocket pin (22) can be fixed between the driven sprocket (14) and the replacement axle (15) by friction of the sprocket socket (21) and the end wall of the sprocket shaft socket (23).

4. The temporary auxiliary driving device for the bicycle according to claim 1, wherein the left and right end surfaces of the rear wheel shaft (10) are rotatably fitted and connected with a circular platform block (11), and an end rotating block (16) is rotatably fitted and connected on one side end surface of the circular platform block (11) far away from the rear wheel shaft (10).

5. A temporary bicycle auxiliary driving device according to claim 4, wherein the left and right end rotation blocks (16) are fixedly connected to the left and right swing connecting shafts (12), respectively.

6. The temporary auxiliary driving device for bicycle according to claim 4, wherein the end turning block (16) is provided with a left-right through triangular through hole (17), and the circular platform block (11) is provided with a triangular slot (24) with an opening far away from the rear wheel axle (10).

7. The temporary auxiliary driving device for bicycle according to claim 6, wherein the triangular through hole (17) and the triangular insertion groove (24) have the same aperture shape and size and are located on the same axis.

8. A temporary bicycle auxiliary driving device according to claim 6, wherein the triangular through hole (17) is internally friction-fit connected with a triangular bolt (18) extending into the triangular slot (24) towards the rear wheel axle (10).