CN112937753A

CN112937753A - Ultra-light accelerating bicycle and accelerating device thereof

Info

Publication number: CN112937753A
Application number: CN202110415573.0A
Authority: CN
Inventors: 李建辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-06-11

Abstract

The invention discloses an ultra-light accelerating bicycle and an accelerating device thereof, wherein the accelerating bicycle comprises an accelerating box, the accelerating box comprises a main shaft, the main shaft is fixedly connected with a gear A, the gear A is meshed with a gear B, one side of the gear B is fixedly connected with a gear C, the gear B and the gear C are rotatably connected with an accelerating box shell through two ends of a gear shaft, the gear C is meshed with a ratchet mechanism, the ratchet mechanism is in threaded connection with a hub, the hub is sleeved outside the main shaft, and the main shaft horizontally penetrates through the accelerating box shell; the invention has simple structure, high accelerating efficiency, light weight and convenient folding and carrying, and is suitable for being used as the accelerating device of the existing bicycle and a substitute product of the existing bicycle.

Description

Ultra-light accelerating bicycle and accelerating device thereof

Technical Field

The invention relates to the technical field of bicycles, in particular to an ultra-light accelerating bicycle and an accelerating device thereof.

Background

The bicycle is a traditional industry, has a history of more than 100 years, is a favorite transportation and fitness tool for residents in all countries, particularly developed countries, in the world again due to the problems of environmental protection and transportation, the center of gravity of the bicycle industry in the world is being changed from the traditional transportation tool instead of walking to sports, mountain land and leisure, and the bicycle is a popular sports, fitness, leisure and entertainment product in developed countries such as the United states, Europe and the Japan. Along with the bicycle uses the popularity more and more high, people are more various to the demand of bicycle, and current pedal bicycle exists with low efficiency, the part is complicated, easily breaks down, bulky, portable's shortcoming.

Therefore, a new technical solution is needed to solve the above-mentioned shortcomings.

Disclosure of Invention

The invention aims to solve the problem of overcoming the defects in the prior art and provides an ultra-light bicycle accelerating device and an ultra-light bicycle provided with the same.

The invention is realized by the following technical scheme:

an ultra-light bicycle accelerator, which comprises an accelerator box;

the accelerator box comprises a main shaft, the main shaft is fixedly connected with a gear A, the gear A is meshed with a gear B, one side of the gear B is fixedly connected with a gear C, the gear B and the gear C are rotatably connected with an accelerator box shell through two ends of a gear shaft, the gear C is meshed with a ratchet mechanism, the ratchet mechanism is in threaded connection with a hub, the hub is sleeved outside the main shaft, and the main shaft horizontally penetrates through the accelerator box shell;

the transmission ratio i of the gear A to the gear B is larger than 1, the transmission ratio i of the gear C to the gear B is larger than 1, and the transmission ratio i of the gear C to the ratchet mechanism is larger than 1.

Preferably, the transmission ratio i of the gear A to the gear B is more than 3, and the transmission ratio i of the gear C to the gear B is more than 1.5.

The utility model provides a very light bicycle of above-mentioned bicycle accelerating device is equipped with, wherein, the both ends of accelerating box shell one side all are provided with the fixed ear of accelerating box from top to bottom, the fixed ear of accelerating box passes through accelerating box fixing bolt and connects the inboard at the fork, the both ends of main shaft are passed through the bearing and are articulated the fork, the both ends of main shaft still are provided with pedally, the wheel is connected through the spoke to the bicycle hub, the fork subassembly that fork upper portion fixed connection level set up, fork subassembly lower surface be provided with the fender of wheel looks adaptation.

Preferably, a seat is provided on an upper surface of the fork assembly.

Preferably, the handlebar is connected through handlebar sleeve subassembly in the top of fork subassembly, the saddle sleeve subassembly is connected through the car crossbeam of level setting to the handlebar sleeve subassembly, the top of saddle sleeve subassembly is provided with the saddle, the rear wheel bracing is connected to the below of saddle sleeve subassembly, the articulated little rear wheel in below of rear wheel bracing.

Preferably, the number of the small rear wheels is two, and the small rear wheels are arranged on the outer side of the rear wheel inclined strut.

Preferably, the bottom end of the rear wheel inclined strut is hinged with a small rear wheel through a rear wheel straight strut, and a car hopper is arranged between the rear wheel straight struts.

Preferably, a seat rod is arranged below the seat, the seat rod is sleeved in a seat sleeve assembly, the seat sleeve assembly is connected with a folding assembly, one end of the folding assembly is hinged to the top of a fork assembly or a rear wheel inclined strut, and a fixing buckle matched with the folding assembly is arranged on the upper surface of the fork assembly or the rear wheel inclined strut.

Preferably, a folding assembly is connected to the lower portion of the handlebar sleeve assembly, one end of the folding assembly is hinged to the top of the fork assembly, and a fixing buckle matched with the folding assembly is arranged on the upper surface of the fork assembly.

Preferably, one side of the hub far away from the ratchet mechanism is provided with a brake device, and the brake device is a roller internal connection ratchet mechanism.

Advantageous effects

Compared with the prior art, the invention has the advantages and positive effects that:

1. the speed-up device for the ultra-light bicycle controls the transmission ratio by utilizing the gear ratio between the gears, and realizes the speed-up function by the transmission ratio i between the gear A and the gear B being more than 3 and the transmission ratio i between the gear C and the gear B being more than 1.5;

2. the extra-light bicycle provided with the extra-light bicycle accelerating device has fewer parts, small volume and light weight, and can be further folded by arranging the folding assembly, so that the extra-light bicycle accelerating device has smaller volume and is convenient to carry and people can go out more quickly and conveniently;

3. the ultra-light bicycle provided with the ultra-light bicycle accelerating device has various implementation modes, can be suitable for different crowds and daily use environments, and has wide application range;

the invention has simple structure, high accelerating efficiency and convenient folding and carrying, and is suitable for being used as an accelerating device of the existing ultra-light bicycle and a substitute product of the existing bicycle.

Drawings

Fig. 1 is a rear view of a first embodiment of the present invention.

Fig. 2 is a side view of a first embodiment of the invention.

FIG. 3 is a front elevational view of the bicycle accelerating device of the present invention.

FIG. 4 is a side elevational view of the bicycle accelerator in accordance with the present invention.

FIG. 5 is a schematic assembled view of the bicycle accelerator apparatus of the present invention.

Fig. 6 is a rear view of an embodiment of the present invention in a folded state.

Fig. 7 is a side view of an embodiment of the present invention in a folded state.

Fig. 8 is a side view of a third embodiment of the present invention.

Fig. 9 is a rear view of a third embodiment of the present invention.

Fig. 10 is a side view of an embodiment of the present invention in a tri-folded state.

Fig. 11 is a rear view of the embodiment of the present invention in a three-folded state.

Fig. 12 is a side view of a second embodiment of the present invention.

Fig. 13 is a rear view of a second embodiment of the present invention.

Fig. 14 is a side view of an embodiment of the present invention in a folded state.

Fig. 15 is a rear view of an embodiment of the present invention in a folded state.

Fig. 16 is a side view of a fourth embodiment of the present invention.

Fig. 17 is a rear view of a fourth embodiment of the present invention.

FIG. 18 is a schematic structural view of the braking apparatus of the present invention.

Fig. 19 is a schematic sectional view taken along line a-a of fig. 18.

In the figure: 1-wheel, 2-hub, 3-main shaft, 4-bearing, 5-acceleration box, 6-pedal, 7-fork, 8-fork component, 9-fixing buckle, 10-folding component, 11-saddle rod, 12-saddle, 13-brake device, 14-mudguard, 15-gear A, 16-gear B, 17-gear C, 18-gear D, 19-gear shaft, 20-acceleration box shell, 21-acceleration box fixing lug, 22-ratchet wheel, 23-pawl, 24-spring steel wire, 25-pawl seat, 26-pawl seat steel ball, 27-seal, 28-acceleration box fixing bolt, 29-main shaft assembling large nut, 30-small rear wheel, 31-rear wheel inclined strut, 32-connecting plate, 33-handlebar, 34-handlebar sleeve assembly, 35-vehicle cross beam, 36-vehicle seat sleeve assembly, 37-rear wheel straight support, 38-vehicle hopper, 39-brake steel ball and 40-fastening screw.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the bicycle accelerator and the ultra light bicycle equipped with the same according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 3 and 4, a bicycle accelerator apparatus comprises an accelerator box 5, wherein the accelerator box 5 comprises a main shaft 3, the main shaft 3 is fixedly connected with a gear a15, the gear a15 is engaged with a gear B16, one side of the gear B16 is fixedly connected with a gear C17, the gear B16 and the gear C17 are rotatably connected with an accelerator box housing 20 through two ends of a gear shaft 19, the gear C17 is engaged with a ratchet mechanism, the ratchet mechanism is in threaded connection with a hub 2, the hub 2 is sleeved outside the main shaft 3, the main shaft 3 horizontally penetrates through the accelerator box housing 20, the gear C17 is engaged with a gear C18, the gear C18 is in reverse threaded connection with a ratchet mechanism, the ratchet mechanism is in threaded connection with the hub 2, and the hub 2 is sleeved outside the main shaft 3;

the gear ratio i of the gear A15 to the gear B16 is more than 1, the gear ratio i of the gear C17 to the gear B16 is more than 1, and the gear ratio i of the gear C17 to the ratchet mechanism is more than 1.

Further, the gear ratio i of the gear A15 to the gear B16 is greater than 3, the gear ratio i of the gear C17 to the gear B16 is greater than 1.5, and the gear ratio i of the gear C17 to the gear B18 is greater than 1.2.

Example 1

As shown in fig. 1 and 2, an extra light bicycle equipped with the extra light bicycle accelerating device, wherein two ends of one side of an accelerating box shell 20 are provided with accelerating box fixing lugs 21 up and down, the accelerating box fixing lugs 21 are connected to the inner side of a fork 7 through accelerating box fixing bolts 28, two ends of a main shaft 3 are hinged to the fork 7 through bearings 4, two ends of the main shaft 3 are further provided with pedals 6, a hub 2 is connected with a wheel 1 through spokes, the upper end of the fork 7 is fixedly connected with a fork assembly 8 horizontally arranged, and the lower surface of the fork assembly 8 is provided with a mudguard 14 matched with the wheel 1. As shown in fig. 3 and 4, the ratchet mechanism includes a gear D18, a ratchet 22, a pawl 23, a spring wire 24, a pawl seat 25, a pawl seat steel ball 26, and a block 27.

Further, a seat 12 is provided on an upper surface of the fork assembly 8.

Pedaling and advancing: the pedal 6 is pedaled to rotate clockwise to drive the main shaft 3 to rotate, the main shaft 3 is fixedly connected with the gear 15, and the main shaft 3 rotates to drive the gear A15 to rotate clockwise. Gear a15 in turn drives gear B16 to rotate counterclockwise, gear B16 is integral with gear C17, and gear C17 rotates to drive gear D18 to rotate clockwise. The gear D18 is connected with the ratchet wheel 22 by the reverse thread to drive the ratchet wheel 22 to rotate clockwise, at this time, the pawl 23 is attached to the tooth mouth of the ratchet wheel 22 under the action of the spring steel wire 24 to push the pawl 23 to rotate, the pawl 23 pushes the pawl seat 25 to rotate clockwise, and the pawl seat 25 is connected with the reverse thread of the hub 2 to drive the hub 2 to rotate. The hub 2 is connected with the wheel 1 by a belly strip to drive the wheel 1 to rotate clockwise, so that the ultra-light bicycle can move forward.

Sliding and advancing: when pedaling is stopped, namely the ratchet wheel 22 is not moved, the wheel 1, the hub 2 and the pawl seat 25 still rotate clockwise under the action of inertia force to drive the pawl 23 to rotate, the pawl 23 contracts inwards under the compression of the tooth mouth inclined surface of the ratchet wheel 22 and slides over the teeth of the ratchet wheel 22, and therefore the clockwise rotation is still realized, and the sliding is realized.

Further, as shown in fig. 18 and 19, a brake device 13 is disposed on a side of the hub 2 away from the ratchet mechanism, and the brake device 13 is a roller inscribing ratchet mechanism.

Braking: the brake device 13 is fastened to the main shaft 3 with a fastening screw 40, as shown in fig. 18 and 19. When the ultra-light bicycle runs normally, the hub 2 and the brake device 13 rotate clockwise, the brake steel ball 39 is positioned at the point B of the brake device 13 and is the lowest point of the brake device 13, and the brake steel ball 39 rotates freely without influencing the rotation of the hub 2 and the normal running of the ultra-light bicycle. When braking is needed, the pedal 6 is reversely rotated anticlockwise, the main shaft 3 rotates anticlockwise, the braking device 13 also rotates anticlockwise, the braking steel ball 39 moves towards the point C, the point C is shallow and is close to the hub 2, so that the braking steel ball 39 and the hub 2 are tightly squeezed, the backward stepping is performed, the squeezing is tighter, and the braking purpose is achieved.

Further, as shown in fig. 6 and 7, a seat rod 11 is disposed below the seat 12, the seat rod 11 is sleeved in a seat sleeve assembly 36, the seat sleeve assembly 36 is connected to the folding assembly 10, one end of the folding assembly 10 is hinged to the top of the fork assembly 8, and a fixing buckle 9 adapted to the folding assembly 10 is disposed on the upper surface of the fork assembly 8.

Folding: when the bicycle is required to be carried, the saddle 12 can be rotated by the folding assembly 10, so that the height is reduced, the bicycle is convenient to carry, and the size is smaller. When the folding seat is used, the folding assembly 10 is matched with the fixing buckle 9 to fix the seat 12 and restore the original height.

Example 2

On the basis of embodiment 1, as shown in fig. 12 to 15, a handlebar 33 is connected to the upper portion of the fork assembly 8 through a handlebar sleeve assembly 34, the handlebar sleeve assembly 34 is connected to a seat sleeve assembly 36 through a horizontally arranged cross member 35, a seat 12 is arranged above the seat sleeve assembly 36, a rear wheel inclined strut 31 is connected to the lower portion of the seat sleeve assembly 36, and a small rear wheel 30 is hinged to the lower portion of the rear wheel inclined strut 31.

Compared with embodiment 1, embodiment 1 adopts a single wheel to ride, but the embodiment adopts a front wheel and a rear wheel to ride, and the handlebar 33 is added, so that the ultra-light bicycle is safer and more stable, and the application range is wider.

Further, as shown in fig. 14 or 18, a seat rod 11 is disposed below the seat 12, the seat rod 11 is sleeved in a seat sleeve assembly 36, the seat sleeve assembly 36 is connected to the folding assembly 10, one end of the folding assembly 10 is hinged to the top of the rear wheel inclined strut 31, and a fixing buckle 9 adapted to the folding assembly 10 is disposed on the upper surface of the rear wheel inclined strut 31.

Further, a folding assembly 10 is connected below the handlebar sleeve assembly 34, one end of the folding assembly 10 is hinged to the top of the fork assembly 8, and a fixing buckle 9 matched with the folding assembly 10 is arranged on the upper surface of the fork assembly 8.

Folding: when it is necessary to carry, the seat 12 and the handle 33 can be rotated by the folding assembly 10, so that the height is reduced, the carrying is convenient, and the volume is smaller. When in use, the seat 12 and the handlebar 33 are fixed by the folding assembly 10 cooperating with the fixing buckle 9.

Example 3

In embodiment 2, as shown in fig. 8 to 11, the number of the small rear wheels 30 is two, and both are disposed outside the rear wheel sprag 31.

Compare in embodiment 2, this embodiment adopts a front side wheel, and the rear side two-wheeled, and is more stable, is applicable to ms, old person, preschool children, disabled person etc. and the security is higher, and application range is wider.

Example 4

In embodiment 3, as shown in fig. 16 to 17, the bottom end of the rear wheel inclined strut 31 is hinged to the small rear wheel 30 through a rear wheel straight strut 37, and a vehicle hopper 38 is arranged between the rear wheel straight struts 37.

Compared with the embodiment 3, the car hopper 38 is added, the carrying function is added, and the car hopper is suitable for various use environments such as vegetable buying, carrying with children and the like; and the handlebar fork 7, the handlebar 33 and the handlebar sleeve assembly 34 are inclined at an angle, which is an arrangement mode of the ultra-light bicycle to prevent deformation imitation.

The bicycle accelerator utilizes the gear ratio among the gears to control the transmission ratio, and realizes the acceleration function through the transmission ratio i of the gear A15 to the gear B16 being more than 3, the transmission ratio i of the gear C17 to the gear B16 being more than 1.5 and the transmission ratio i of the gear C17 to the gear B18 being more than 1.2; the ultra-light bicycle provided with the ultra-light bicycle accelerating device has fewer parts, small volume and light weight, and can be further folded by arranging the folding assembly 10, so that the ultra-light bicycle accelerating device has smaller volume and is convenient to carry; the ultra-light bicycle provided with the ultra-light bicycle accelerating device has various implementation modes, can be suitable for different crowds and daily use environments, and has wide application range; the bicycle accelerator has the advantages of simple structure, high accelerating efficiency and convenient folding and carrying, and is suitable for being used as an accelerating device of the existing bicycle and a substitute product of the existing bicycle.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and thus the above terms are not to be construed as limiting the present invention.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

References to "one embodiment," "an embodiment," "example embodiment," "various embodiments," "some embodiments," etc., indicate that the embodiment described herein may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the feature, structure, or characteristic. In addition, some embodiments may have some, all, or none of the features described for other embodiments.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A bicycle accelerator arrangement, characterized by comprising an accelerator box (5);

the accelerator box (5) comprises a main shaft (3), the main shaft (3) is fixedly connected with a gear A (15), the gear A (15) is meshed with a gear B (16), one side of the gear B (16) is fixedly connected with a gear C (17), the gear B (16) and the gear C (17) are rotatably connected with an accelerator box shell (20) through two ends of a gear shaft (19), the gear C (17) is meshed with a ratchet mechanism, the ratchet mechanism is in threaded connection with a hub (2), the hub (2) is sleeved outside the main shaft (3), and the main shaft (3) horizontally penetrates through the accelerator box shell (20);

the transmission ratio i of the gear A (15) to the gear B (16) is more than 1, the transmission ratio i of the gear C (17) to the gear B (16) is more than 1, and the transmission ratio i of the gear C (17) to the ratchet mechanism is more than 1.

2. Bicycle accelerator arrangement according to claim 1, wherein the gear ratio i > 3 of gear a (15) to gear B (16) and the gear ratio i > 1.5 of gear C (17) to gear B (16).

3. An ultra-light bicycle equipped with the bicycle accelerator according to claim 1, wherein the two ends of one side of the accelerator case housing (20) are both provided with an accelerator case fixing lug (21) up and down, the accelerator case fixing lug (21) is connected to the inner side of a fork (7) through an accelerator case fixing bolt (28), the two ends of the main shaft (3) are hinged to the fork (7) through a bearing (4), the two ends of the main shaft (3) are further provided with pedals (6), the hub (2) is connected with the wheel (1) through spokes, the upper part of the fork (7) is fixedly connected with a fork assembly (8) horizontally arranged, and the lower surface of the fork assembly (8) is provided with a mudguard (14) matched with the wheel (1).

4. The extra light bicycle according to claim 3, characterized in that the upper surface of the fork assembly (8) is provided with a seat (12).

5. The extra light bicycle according to claim 3, characterized in that the fork assembly (8) is connected to a handlebar (33) via a handlebar sleeve assembly (34), the handlebar sleeve assembly (34) is connected to a seat sleeve assembly (36) via a horizontally arranged cross member (35), a seat (12) is arranged above the seat sleeve assembly (36), a rear wheel inclined strut (31) is connected to the lower part of the seat sleeve assembly (36), and a small rear wheel (30) is hinged to the lower part of the rear wheel inclined strut (31).

6. Bicycle according to claim 5, characterised in that the small rear wheels (30) are two in number, each arranged outside the rear wheel sprag (31).

7. Bicycle according to claim 6, characterized in that the bottom end of the rear wheel diagonal brace (31) is hinged to the small rear wheel (30) by means of a rear wheel strut (37), between which rear wheel strut (37) a hopper (38) is arranged.

8. The bicycle according to any one of claims 4 to 7, wherein a seat post (11) is arranged below the seat (12), the seat post (11) is sleeved in a seat sleeve assembly (36), the seat sleeve assembly (36) is connected with a folding assembly (10), one end of the folding assembly (10) is hinged to the top of a fork assembly (8) or a rear wheel inclined strut (31), and the upper surface of the fork assembly (8) or the rear wheel inclined strut (31) is provided with a fixing buckle (9) matched with the folding assembly (10).

9. Bicycle according to one of claims 5 to 7, characterised in that a folding assembly (10) is attached below the handlebar tube assembly (34), one end of the folding assembly (10) is hinged to the top of a fork assembly (8), and the upper surface of the fork assembly (8) is provided with a fixing catch (9) adapted to the folding assembly (10).

10. A bicycle according to claim 3, wherein the hub (2) is provided with a brake (13) on the side remote from the ratchet mechanism, the brake (13) being a roller ratchet mechanism.