CN109178170B

CN109178170B - Driving wheel bicycle

Info

Publication number: CN109178170B
Application number: CN201811175929.2A
Authority: CN
Inventors: 谢乐平
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-10
Filing date: 2018-10-10
Publication date: 2020-04-07
Anticipated expiration: 2038-10-10
Also published as: CN109178170A

Abstract

The invention relates to a driving wheel bicycle, which comprises a frame, a front fork, a handlebar, a control device arranged on the handlebar, a front wheel, a saddle, a rear fork, a rear wheel, a Y-shaped rod, a front linear bearing positioning device, a rear linear bearing positioning device and a driving wheel assembly, wherein the rear fork, the rear wheel, the Y-shaped rod, the front linear bearing positioning device, the rear linear bearing positioning device and the driving wheel assembly are fixed at the rear end of the frame. The invention improves the riding stability and comfort of the bicycle, reduces energy loss, drives the wheels when riding, is stable and comfortable to ride, suspends the driving wheels in the air when sliding, slides farther, brakes the driving wheels and the front and rear wheels simultaneously when braking, has short braking distance, and is stable and unbalancing.

Description

Driving wheel bicycle

Technical Field

The invention relates to the technical field of bicycles, in particular to a bicycle with a driving wheel.

Background

The bicycle is a common travel tool in life, is also a sport, body-building, leisure and entertainment product, and has higher and higher requirements on research and development and technical specialty of bicycle products along with the development of the society.

The common bicycle in the market is a two-wheel device, and energy is consumed by a transmission system in the riding and sliding processes through chain transmission; or a coarse-tooth tire is installed, or a half-head fine tire is installed, the coarse-tooth tire has good ground gripping force but large riding resistance, the half-head fine tire has small friction resistance but is easy to slip, poor in stability and strong in road surface feedback; when braking, the purpose of speed reduction is achieved by controlling the rotating speed of the front wheel and the rear wheel, the sliding is far and unstable, and unbalance is easy to occur during emergency braking.

Disclosure of Invention

The present invention is directed to a bicycle with a driving wheel to solve the above problems.

In order to realize the purpose, the following technical scheme is provided: a drive wheel bicycle, comprising: the front linear bearing is fixed at the front end of the Y-shaped rod and takes the front end of the frame as a linear shaft, the front linear bearing positioning device is arranged at the front ends of the front linear bearing and the frame, the rear linear bearing positioning device is arranged at the upper end of the front linear bearing and the frame, the rear linear bearing is fixed at the rear end of the Y-shaped rod and takes the upper end of the rear fork as a linear shaft, and the rear linear bearing positioning device is arranged on the rear linear bearing and the rear fork, and the lower end of the Y-shaped rod is provided with the driving wheel assembly.

Preferably, the upper end of the rear fork is vertically welded and fixed at the rear end of the frame.

Preferably, the rear wheel attached to the lower end of the rear fork is a driven wheel.

Preferably, the front linear bearing is vertically welded and fixed at the front end of the Y-shaped rod.

Preferably, the rear linear bearing is vertically welded and fixed at the rear end of the Y-shaped rod.

Preferably, the front linear bearing positioning device comprises an upper compression spring, a lower compression spring, a positioning clamp spring tightening sleeve and an upper positioning groove and a lower positioning groove, the lower end of the upper compression spring is fixedly welded on the upper edge of the front linear bearing, the positioning clamp spring tightening sleeve is fixedly welded on the upper end of the upper compression spring, the upper end of the lower compression spring is fixedly welded on the lower edge of the front linear bearing, the lower end of the lower compression spring is fixed on the frame, and the front end of the frame is provided with the upper positioning groove and the lower positioning groove.

Preferably, the rear linear bearing positioning device comprises an upper compression spring, a lower compression spring, a positioning clamp spring tightening sleeve and an upper positioning groove and a lower positioning groove, the lower end of the upper compression spring is fixedly welded on the upper edge of the rear linear bearing, the positioning clamp spring tightening sleeve is fixedly welded on the upper end of the upper compression spring, the upper end of the lower compression spring is fixedly welded on the lower edge of the rear linear bearing, the lower end of the lower compression spring is fixed on the rear fork, and the upper end of the rear fork is provided with the upper positioning groove and the lower positioning groove.

Preferably, the lower compression springs of the front and rear linear bearing positioning devices are springs having a relatively low stiffness, and the upper compression springs are springs having a relatively high stiffness with a compression stiffness coefficient greater than a tension stiffness coefficient.

Preferably, the control device mounted on the handlebar comprises a left brake lever, a right brake lever, a left turning lever and a right turning lever.

Preferably, the lower end of the Y-bar is a bifurcated open-crotch shape curved rearward.

Preferably, the driving wheel assembly comprises a hub, a pedal device and a driving wheel, two ends of the axis of the hub are fixed at the lower end of the Y-shaped rod and are branched to form a crotch end, the pedal device is fixed with the tower footing and is in one-way transmission with the hub, and the driving wheel is fixedly mounted on the hub.

Preferably, the tires of the front and rear wheels are semi-finished thin tires.

Preferably, the tire of the driving wheel is a thick tire having the same size as the front wheel and the rear wheel.

The invention has the beneficial effects that: the rear fork rear wheel is optimized, no chain transmission is adopted, the driving wheel is added, when the bicycle is ridden, the driving wheel is contacted with the ground, the bicycle body is supported, the bicycle body is in a drivable state, the friction coefficient of a coarse tooth tire of the driving wheel is large, the linear acceleration is fast, and the upper compression springs of the front linear bearing positioning device and the rear linear bearing positioning device buffer the road surface bump, so that the bicycle is ridden stably and comfortably; when in sliding, the driving wheel is controlled to be suspended above the ground, the rear wheel is not provided with a chain or a transmission device, the consumption of transmission friction is reduced, the front wheel and the rear wheel are semi-smooth thin tires, and the sliding distance is longer; when braking, the driving wheel, the front wheel and the rear wheel brake simultaneously, the braking distance is short, and the braking is stable and unbalanced.

Drawings

The following describes a driving wheel bicycle with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

List of parts represented by the various reference numbers in the drawings: 1-frame, 2-front fork, 3-handlebar, 4-control device, 401-left brake handle, 402-right brake handle, 403-left turn handle, 404-right turn handle, 5-front wheel, 6-saddle, 7-rear fork, 8-rear wheel, 9-Y bar, 10-front linear bearing, 11-front linear bearing positioning device, 1101-upper compression spring, 1102-lower compression spring, 1103-positioning snap spring take-up sleeve, 1104-upper positioning slot, 1105-lower positioning slot, 12-rear linear bearing, 13-rear linear bearing positioning device, 1301-upper compression spring, 1302-lower compression spring, 1303-positioning snap spring take-up sleeve, 1304-upper positioning slot, 1305-lower positioning slot, 14-drive wheel assembly, 1401-hub, 1402-foot pedal, 1403-drive wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Example (b): as shown in fig. 1, a driving wheel bicycle comprises a frame 1, a front fork 2, a handlebar 3, a control device 4, a front wheel 5, a saddle 6, a rear fork 7, a rear wheel 8, a Y-shaped rod 9, a front linear bearing 10, a front linear bearing positioning device 11, a rear linear bearing 12, a rear linear bearing positioning device 13 and a driving wheel assembly 14. The front linear bearing 10 is fixed at the front end of the Y-shaped rod 9, the front end of the frame 1 is used as a linear shaft, the front linear bearing positioning device 11 is arranged at the front ends of the front linear bearing 10 and the frame 1, the rear linear bearing 12 is fixed at the rear end of the Y-shaped rod 9, the upper end of the rear fork 7 is used as a linear shaft, the rear linear bearing positioning device 13 is arranged on the rear linear bearing 12 and the rear fork 7, and the lower end of the Y-shaped rod 9 is provided with a driving wheel assembly 14.

Specifically, the upper end of the rear fork 7 is vertically welded and fixed at the rear end of the frame 1.

Specifically, the rear wheel 8 mounted at the lower end of the rear fork 7 is a driven wheel without a chain and a transmission device.

Specifically, the front linear bearing 10 is vertically welded and fixed at the front end of the Y-shaped rod 9, and can slide up and down by taking the front end of the frame 1 as a linear shaft.

Specifically, the rear linear bearing 12 is vertically welded and fixed at the rear end of the Y-shaped rod 9, and the upper end of the rear fork 7 is a linear shaft and can slide up and down.

Specifically, the front linear bearing positioning device 11 comprises an upper compression spring 1101, a lower compression spring 1102, a positioning clamp spring tightening sleeve 1103, an upper positioning groove 1104 and a lower positioning groove 1105, the lower end of the upper compression spring 1101 is fixedly welded on the upper edge of the front linear bearing 10, the positioning clamp spring tightening sleeve 1103 is fixedly welded on the upper end of the upper compression spring 1101, the upper end of the lower compression spring 1102 is fixedly welded to the lower edge of the front linear bearing 10, the lower end of the lower compression spring 1102 is fixed to the front end of the frame 1, the front end of the frame 1 is provided with an upper positioning slot 1104 and a lower positioning slot 1105, after the left turning handle 403 rotates to loosen the positioning clamp spring tightening sleeve 1103 of the front linear bearing positioning device 11, the positioning clamp spring tightening sleeve 1103 and the upper compression spring 1101 can slide up and down, and when the positioning clamp spring tightening sleeve 1103 is located in the upper positioning groove 1104 or the lower positioning groove 1105, the left-turn handle 403 can be rotated to tighten and position the positioning clamp spring tightening sleeve 1103.

Specifically, the rear linear bearing positioning device 13 includes an upper compression spring 1301, a lower compression spring 1302, a positioning snap spring tightening sleeve 1303, an upper positioning groove 1304 and a lower positioning groove 1305, the lower end of the upper compression spring 1301 is fixedly welded on the upper edge of the rear linear bearing 12, the positioning snap spring tightening sleeve 1303 is fixedly welded on the upper end of the upper compression spring 1301, the upper end of the lower compression spring 1302 is fixedly welded on the lower edge of the rear linear bearing 12, the lower end of the lower compression spring 1302 is fixed on the rear fork 7, the upper end of the rear fork 7 is provided with an upper positioning groove 1304 and a lower positioning groove 1305, after the right rotating handle 404 rotates to loosen the positioning clamp spring tightening sleeve 1303 of the rear linear bearing positioning device 13, the positioning clamp spring tightening sleeve 1303 and the upper compression spring 1301 can slide up and down, and when the positioning clamp spring tightening sleeve 1303 is located in the upper positioning groove 1304 or the lower positioning groove 1305, the handle 404 can be tightened and positioned through rotating right.

Specifically, location jump ring tighten up cover 1103 is tightened up and is positioned lower constant head tank 1105 to when location jump ring tighten up cover 1303 is tightened up and is positioned lower constant head tank 1305, drive wheel 1403 and ground contact play the effect of supporting the automobile body and be in drivable state.

Specifically, when the positioning clamp spring tightening sleeve 1103 is tightened and positioned in the upper positioning groove 1104, and the positioning clamp spring tightening sleeve 1303 is tightened and positioned in the upper positioning groove 1304, the driving wheel 1403 is upwards separated from the horizontal ground tangent to the front wheel 5 and the rear wheel 8 and is suspended.

Specifically, the lower compression spring 1102 and the lower compression spring 1302 are springs with relatively low stiffness, and the upper compression spring 1101 and the upper compression spring 1301 are springs with relatively high stiffness having a compression stiffness coefficient larger than a tension stiffness coefficient.

Specifically, the control device 4 includes a right brake handle 401 for controlling the front wheel 5 and the rear wheel 8 to brake simultaneously, a left brake handle 402 for controlling the driving wheel 1403 to brake, a left turn handle 403 for controlling the release, tightening and stabilization of the positioning spring tightening sleeve 1103 by rotation, and a right turn handle 404 for controlling the release, tightening and stabilization of the positioning spring tightening sleeve 1303 by rotation.

Specifically, the brake cables of the front wheel 5 and the rear wheel 8 are connected to a right brake handle 401.

Specifically, the lower end of the Y-shaped rod 9 is in a backward-bent forked open crotch shape, so that the included angle between the forward acting force of the driving wheel on the vehicle body and the horizontal plane is small during driving, and the driving efficiency is high.

Specifically, the driving wheel assembly 14 comprises a hub 1401, a pedal device 1402 and a driving wheel 1403, wherein two ends of the axis of the hub 1401 are fixed at the lower end of the Y-shaped rod 9 and are branched to form a crotch end, the pedal device 1402 is fixed with the tower base and is in one-way transmission with the hub 1401, and the driving wheel 1403 is fixedly mounted on the hub 1401.

Specifically, the tires of the front wheel 5 and the rear wheel 8 are semi-smooth thin tires, and the friction coefficient is small.

Specifically, the tire of the driving wheel 1403 is a thick-toothed tire having the same size as the front wheel 5 and the rear wheel 8, and has a large amount of elastic deformation and a large friction coefficient.

The working principle of the invention is as follows: when the level road surface begins to ride, location jump ring tighten up cover 1103 tightens up stably and fixes a position constant head tank 1105 down, location jump ring tighten up cover 1303 tightens up stably and fixes a position constant head tank 1305 down, lower compression spring 1102 and lower compression spring 1302 are compressed, drive wheel 1403 contacts with ground, it is in drivable state to play the effect of supporting the automobile body, trample pedal device 1402, make drive wheel 1403 roll forward through column foot and flower-drum 1401, drive Y type pole 9 forward, drive front wheel 5 and rear wheel 8 forward roll messenger's bicycle and move ahead.

When the bicycle runs on an uneven road, the driving wheel 1403 keeps a drivable state, when the bicycle passes through a bulge of the road, the driving wheel assembly 14 and the Y-shaped rod 9 drive the front linear bearing 10 and the rear linear bearing 12 to slide upwards to respectively compress the upper compression spring 1101 and the upper compression spring 1301, the front wheel 5 and the rear wheel 8 keep in contact with the ground, meanwhile, the driving wheel 1403 rises to be in contact with the bulge of the ground to support the bicycle body and be in a drivable state, when the bicycle passes through a pit, the downward acting force of the treading pedal device 1402 is transmitted through the Y-shaped rod 9 to compress the lower compression spring 1102 and the lower compression spring 1302, the upper compression spring 1101 and the upper compression spring 1301 with smaller tensile stiffness coefficients are stretched, the front wheel 5 and the rear wheel 8 keep in contact with the ground, and meanwhile, the driving wheel 1403 is downwards in contact with the pit and the ground.

When sliding, the left rotating handle 403 is rotated to release the positioning clamp spring tightening sleeve 1103, the right rotating handle 404 is rotated to release the positioning clamp spring tightening sleeve 1303, the upper ends of the upper compression spring 1101 and the upper compression spring 1301 are released, the downward treading force of the treading pedal device 1402 is removed, the front linear bearing 10 and the rear linear bearing 12 slide upwards under the restoring elastic force of the compressed lower compression spring 1102 and the compressed lower compression spring 1302, the positioning clamp spring tightening sleeve 1103 and the positioning clamp spring tightening sleeve 1303 are driven to slide upwards and are respectively balanced at the positions of the upper positioning slot 1104 and the upper positioning slot 1304, the driving wheel 1403 is suspended away from the horizontal ground tangent to the front wheel 5 and the rear wheel 8, the left rotating handle 403 is rotated to tighten and stably position the positioning clamp spring tightening sleeve 1103, the right rotating handle 404 is rotated and stably position the positioning clamp spring tightening sleeve 1303 to be fixed at the upper positioning slot 1304, so as to reduce the up-down vibration of the Y-shaped rod 9 and the driving wheel assembly 14 caused by the small rigidity of the lower compression spring, the bicycle is slid on support of the front wheel 5 and the rear wheel 8.

When the rider continues to step on the bicycle, the left rotating handle 403 is rotated to release the positioning clamp spring tightening sleeve 1103, the right rotating handle 404 is rotated to release the positioning clamp spring tightening sleeve 1303, the upper ends of the upper compression spring 1101 and the upper compression spring 1301 are released, the rider simultaneously steps on the pedal device 1402 with force downwards, the lower compression spring 1102 with low rigidity and the lower compression spring 1302 are compressed, the Y-shaped rod 9 drives the linear bearing 10 and the linear bearing 12 to slide downwards, the positioning clamp spring tightening sleeve 1103 slides downwards to the lower positioning groove 1105 under the action of downward force, the positioning clamp spring tightening sleeve 1303 slides downwards to the lower positioning groove 1305, the left rotating handle 403 is rotated to tighten and stabilize the positioning clamp spring tightening sleeve 1103 and is fixed to the lower positioning groove 1105, the right rotating handle 404 is rotated to tighten and stabilize the positioning clamp spring tightening sleeve 1303 and is fixed to the lower positioning groove 1305, the compression stiffness coefficients of the upper compression spring 1101 and the upper compression spring 1301 are high, after the acting force of the rider 1402, the upper compression spring 1101 and the upper compression spring 1301 fixedly positioned at the upper end guarantee the pressure of the driving wheel 1403 on the contact ground, the driving wheel 1403 plays a role of supporting a vehicle body, the tire of the driving wheel 1403 is a thick-tooth tire, the elastic deformation amount is large, the friction coefficient is large, and the driving wheel 1403 is in a drivable state.

During braking, the driving wheel 1403 is in a drivable state, the right brake handle 401 is appropriately tightened to brake the front wheel 5 and the rear wheel 8, and the left brake handle 402 is tightened to brake the driving wheel 1403.

The invention has the following three characteristics: the first characteristic is that the straight line is fast with higher speed, and is steady comfortable when riding: the tires of the driving wheel 1403 are thick-tooth tires, the ground gripping force is good, no chain is arranged, the pedal device 1402 is directly driven through the tower footing and the hub 1401, and the linear acceleration is fast; the driving wheel 1403, the front wheel 5 and the rear wheel 8 are simultaneously in contact with the ground to support the bicycle body, and the upper compression spring 1101 and the upper compression spring 1301 have a buffering effect, so that the riding is stable and comfortable.

The second characteristic is that the sliding distance is long: when in sliding, the driving wheel 1403 is suspended above the ground, the front wheel 5 and the rear wheel 8 are semi-optical head thin tires with small rolling resistance, the rear wheel is free of a transmission device and a chain, consumption of transmission friction is reduced, and the sliding distance is longer.

The third characteristic is that the brake is steady, and braking distance is short: when braking, the driving wheel 1403, the front wheel 5 and the rear wheel 8 are simultaneously contacted with the ground to support the vehicle body, so that the braking is stable; the tire of the driving wheel 1403 is a thick-tooth tire and brakes simultaneously with the front wheel 5 and the rear wheel 8, and the braking distance is short.

Claims

1. A drive wheel bicycle, comprising: the bicycle comprises a bicycle frame (1), a front fork (2) arranged at the front end of the bicycle frame, a handlebar (3) arranged at the upper end of the front fork, a control device (4) arranged on the handlebar, a front wheel (5) arranged at the lower end of the front fork, a saddle (6) arranged on the bicycle frame, a rear fork (7) fixed at the rear end of the bicycle frame, a rear wheel (8) arranged at the lower end of the rear fork, a Y-shaped rod (9), a front linear bearing (10), a front linear bearing positioning device (11), a rear linear bearing (12), a rear linear bearing positioning device (13) and a driving wheel assembly (14), wherein the control device (4) on the handlebar comprises a left brake handle (401) and a left turning handle (403) arranged on the left side of the handlebar (3), a right brake handle (402) and a right turning handle (404) arranged on the right side of the handlebar (3), the front linear bearing (10) is fixed at the front, preceding linear bearing positioner (11) are including compression spring (1101), compression spring (1102) down, location jump ring tighten-up cover (1103), go up constant head tank (1104) and constant head tank (1105), it welds on preceding linear bearing (10) upper edge to go up compression spring (1101) lower extreme fixed welding, location jump ring tighten-up cover (1103) fixed welding is in last compression spring (1101) upper end, compression spring (1102) upper end fixed welding is in preceding linear bearing (10) lower edge down, compression spring (1102) lower extreme is fixed in on frame (1) down, frame (1) front end sets up constant head tank (1104) and constant head tank (1105) down, back linear bearing (12) are fixed in Y type pole (9) rear end, and is the straight line axle in back fork (7) upper end, back linear bearing positioner (13) include compression spring (1301), lower compression spring (1302), Location jump ring tighten up cover (1303), go up constant head tank (1304) and constant head tank (1305) down, it welds in back linear bearing (12) upper edge to go up compression spring (1301) lower extreme is fixed, location jump ring tighten up cover (1303) fixed weld in last compression spring (1301) upper end, fixed the welding in back linear bearing (12) lower edge down in compression spring (1302) upper end down, compression spring (1302) lower extreme is fixed in on back fork (7) down, back fork (7) upper end sets up constant head tank (1304) and constant head tank (1305) down, Y type pole (9) lower extreme installation drive wheel assembly (14).

2. The driving wheel bicycle as claimed in claim 1, wherein: after the left-hand handle (403) rotates and loosens the positioning clamp spring tightening sleeve (1103) of the front linear bearing positioning device (11), the positioning clamp spring tightening sleeve (1103) and the upper compression spring (1101) can slide up and down, and the positioning clamp spring tightening sleeve (1103) can be positioned in the upper positioning groove (1104) or the lower positioning groove (1105) through the left-hand handle (403) in a rotating and tightening manner.

3. The driving wheel bicycle as claimed in claim 1, wherein: after the right rotating handle (404) rotates and loosens a positioning clamp spring tightening sleeve (1303) of the rear linear bearing positioning device (13), the positioning clamp spring tightening sleeve (1303) and an upper compression spring (1301) can slide up and down, and the positioning clamp spring tightening sleeve (1303) can be positioned in an upper positioning groove (1304) or a lower positioning groove (1305) through the right rotating handle (404) in a rotating and tightening mode.

4. The driving wheel bicycle as claimed in claim 1, wherein: the positioning clamp spring tightening sleeve (1103) is tightened up and positioned at a lower positioning groove (1105), and when the positioning clamp spring tightening sleeve (1303) is tightened up and positioned at a lower positioning groove (1305), the driving wheel (1403) is in contact with the ground to support the vehicle body and is in a drivable state.

5. The driving wheel bicycle as claimed in claim 1, wherein: the positioning clamp spring tightening sleeve (1103) is tightened and positioned in the upper positioning groove (1104), and when the positioning clamp spring tightening sleeve (1303) is tightened and positioned in the upper positioning groove (1304), the driving wheel (1403) upwards leaves the horizontal ground tangent to the front wheel (5) and the rear wheel (8) and is suspended.

6. The driving wheel bicycle as claimed in claim 1, wherein: in the control device (4), a left brake handle (401) controls a front wheel (5) and a rear wheel (8) to brake simultaneously, a right brake handle (402) controls the brake of a driving wheel (1403), a left turning handle (403) controls the loosening and tightening of a positioning clamp spring tightening sleeve (1103) through rotation, and a right turning handle (404) controls the loosening and tightening of a positioning clamp spring tightening sleeve (1303) through rotation.

7. The driving wheel bicycle as claimed in claim 1, wherein: the driving wheel assembly (14) comprises a hub (1401), a pedal device (1402) and a driving wheel (1403), two ends of the axis of the hub (1401) are fixed at the lower end of the Y-shaped rod (9) to form a forked open end, the pedal device (1402) is fixed with the tower footing and is in one-way transmission with the hub (1401), and the driving wheel (1403) is fixedly installed on the hub (1401).

8. The driving wheel bicycle as claimed in claim 1, wherein: the tyres of the front wheel (5) and the rear wheel (8) are semi-smooth head thin tyres.

9. The driving wheel bicycle as claimed in claim 1, wherein: the tire of the driving wheel (1403) is a thick-tooth tire with the same size as the front wheel (5) and the rear wheel (8).