CN214729444U

CN214729444U - Spoke-free bearing driving type bicycle

Info

Publication number: CN214729444U
Application number: CN202120365130.0U
Authority: CN
Inventors: 侯宇佳; 张晓晖
Original assignee: Sanya Magic Ring Trading Co ltd
Current assignee: Sanya Magic Ring Trading Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-11-16
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a spoke-free bearing drive type bicycle, which comprises a frame, a handlebar, a saddle, a drive system and a transmission mechanism, wherein the front end and the rear end of the frame are respectively provided with a wheel set, the wheel set comprises an inner wheel ring fixedly arranged on the frame and a wheel movably arranged on the inner wheel ring, the wheel comprises an outer wheel ring coaxially and rotatably connected with the inner wheel ring and a tire sleeved on the outer wheel ring, and the wheel set arranged at the rear end of the frame is a rear wheel set; and the outer ring of the rear wheel set is also provided with a rim gear, and the rim gear is connected with a driving system with rotary power through a transmission mechanism. The utility model discloses a spoke structure in the wheel has been abandoned in the design of double round of circle formula wheel group, has characteristics such as unique, the low rolling resistance of molding, has avoided causing the problem of rim deformation because of the spoke rupture, has also avoided the potential safety hazard because of spoke structure appears simultaneously.

Description

Spoke-free bearing driving type bicycle

Technical Field

The utility model belongs to the technical field of the bicycle, concretely relates to spoke-free bearing drive formula bicycle.

Background

The bicycle is used as a vehicle taking a pedal as power, is green and environment-friendly, can relieve the urban traffic jam condition, and is also used as a general sport, fitness, leisure and entertainment product. The bicycle is composed of a frame, a wheel, a driving system and a braking mechanism, wherein the wheel is usually in a structure that spokes are combined with a rim, and the bicycle is driven to move forwards through a transmission mechanism such as a chain, a chain wheel and the like.

The use of a wheel with a spoke structure for a bicycle has the following disadvantages:

1. the performance of the wheel assembled by the spokes depends on the assembly process to a great extent, so that the quality of the spoke wheel is uneven, and the problem that the rim deforms due to looseness and breakage of the spokes can occur in the use process of a part of wheel with poor quality, and the bicycle cannot be normally used;

2. in the driving process, the long-strip objects can be clamped into the wheels, the wheels are stopped to rotate, the bicycle is turned over, and the feet of passengers on the backseat of the bicycle can be rolled by the spokes to cause potential safety hazards such as injury.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a no spoke bearing drive formula bicycle to the design of double round of circle formula wheel group, through fixing interior rim on the wheel frame, and set up coaxial pivoted wheel on interior rim, abandoned the spoke structure in the current wheel, it is not hard up, the rupture to have solved the spoke that appears in the wheel, and the rim warp and the problem of the potential safety hazard that exists in the use.

The utility model discloses the technical scheme who adopts:

a spoke-free bearing-driven bicycle comprises a frame, handlebars, a saddle, a driving system and a transmission mechanism, wherein wheel sets are respectively arranged at the front end and the rear end of the frame, each wheel set comprises an inner wheel ring fixedly arranged on the frame and a wheel movably arranged on the inner wheel ring, the wheels can coaxially rotate on the inner wheel ring to enable the bicycle to walk forwards, each wheel comprises an outer wheel ring coaxially and rotatably connected with the inner wheel ring and a tire sleeved on the outer wheel ring, the wheel set arranged at the front end of the frame is a front wheel set, and the wheel set arranged at the rear end of the frame is a rear wheel set; the bicycle is characterized in that a rim gear is further arranged on an outer rim of the rear wheel set, the rim gear is connected with a driving system with rotary power through a transmission mechanism, and the driving system drives the rim gear to rotate through the transmission mechanism, so that wheels of the rear wheel set are driven to rotate, and the bicycle is pushed to move forwards.

Furthermore, the front end and the rear end of the frame are both provided with wheel frames, one ends, far away from the frame, of the wheel frames are provided with mounting grooves, inner rims of the wheel sets are fixedly arranged on the notches of the mounting grooves, and wheels can penetrate through the mounting grooves and stably rotate on the inner rims.

Furthermore, the outer surface of the inner wheel ring and the inner surface of the outer wheel ring are provided with inner raceways, a plurality of balls are uniformly arranged in the inner raceways, the outer wheel ring is coaxially and rotatably connected with the inner wheel ring through the plurality of balls, and the friction force generated when the outer wheel ring and the inner wheel ring perform relative motion can be reduced; the ball backplate is provided with ball both sides, and the position of ball can be injectd to the ball backplate, prevents simultaneously that debris from getting into the inner raceway.

Furthermore, the rim gear is arranged in the middle of an outer rim of the rear wheel set, the tires are arranged on two sides of the rim gear, and the tires arranged on two sides of the rim gear can protect the rim gear.

Furthermore, the driving system comprises a bearing driving mechanism, the bearing driving mechanism is connected with a rim gear of the rear wheel set through a transmission mechanism, the bearing driving mechanism comprises a bearing, an outer ring of the bearing is fixedly arranged on the frame, an inner ring of the bearing is provided with a bearing sleeve, one end of the bearing sleeve is connected with a chain wheel, the chain wheel can rotate freely, two cranks are oppositely arranged in the bearing sleeve, and pedals are arranged at the other ends of the two cranks; when the pedal is stepped on by the foot, the crank drives the bearing sleeve to rotate, so that the chain wheel connected with the bearing sleeve is driven to rotate, and power is transmitted to the transmission mechanism through the rotating chain wheel.

Further, drive mechanism includes the flywheel, is connected through drive chain between flywheel and the actuating system, and actuating system work drives the flywheel rotation through drive chain, is provided with the pivot on the flywheel, and the pivot other end is provided with the action wheel, and the action wheel meshes with a plurality of driven wheels that set up on driven wheel carrier, and driven wheel carrier is fixed in on the frame, from driving wheel and ring gear meshing, the ring gear surface is provided with the ring gear teeth of a cogwheel, and the ring gear teeth of a cogwheel meshes with the rim gear of rear wheel group mutually, and actuating system passes through drive chain with power and passes to the flywheel, drives the action wheel, follows the rotation of driving wheel, and the rim gear of rear wheel group is passed through to power with the ring gear to rethread ring gear, and then the wheel rotation of drive rear wheel group, promotes the bicycle and walks forward.

The utility model has the advantages that:

1. the utility model has simple structure and convenient use;

2. the utility model adopts the design of a double-wheel-rim type wheel set, an inner wheel rim is fixed on a wheel frame, a coaxial rotating wheel is arranged on the inner wheel rim, a driving system drives a wheel rim gear of a rear wheel set to rotate through a transmission mechanism, and then drives the wheel of the rear wheel set to rotate, so as to push a bicycle to move forwards, abandon a spoke structure in the wheel, have the characteristics of unique shape, low rotation resistance and the like, avoid the problem of deformation of the wheel rim caused by the breakage of the spoke, and simultaneously avoid the potential safety hazard caused by the spoke structure;

3. the utility model discloses a bearing actuating mechanism is connected with the chain wheel through the inner circle one end at the bearing, both ends subtend is provided with two cranks, compare in by axis component, chain wheel etc. constitute traditional actuating mechanism, have novel molding and be rich in the science and fictitious sense, the bearing can bear the powerful warp direction power that produces acutely riding the in-process simultaneously, the axis of having avoided traditional actuating mechanism leads to the fact centraxonial ball cracked or warp the scheduling problem because of can't bearing the powerful warp direction power that produces acutely riding the in-process.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the wheel set of the present invention;

fig. 3 is a schematic top view of the rear wheel set of the present invention;

fig. 4 is a schematic structural diagram of a driving system and a transmission mechanism of the present invention;

fig. 5 is a schematic side view of the driving system according to the present invention.

In the figure: 1. a front wheel group; 2. a wheel frame; 3. a handlebar; 4. a frame; 5. a vehicle seat; 6. a transmission mechanism; 7. a rear wheel set; 8. a drive system; 9. an inner race; 10. a ball guard plate; 11. an outer wheel ring; 12. a tire; 13. a rim gear; 14. a chain wheel; 15. a crank; 16. pedaling; 17. a drive chain; 18. a flywheel; 19. a driven wheel; 20. a driven wheel carrier; 21. a ring gear; 22. gear teeth of the gear ring; 23. a bearing sleeve; 24. an inner race of the bearing; 25. an outer ring of the bearing.

Detailed Description

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict, and the present invention will be described in detail with reference to the accompanying drawings and embodiments.

As shown in fig. 1, 2 and 3, the spoke-free bearing driven bicycle provided by the utility model comprises a frame 4, a handlebar 3, a saddle 5, a driving system 8 and a transmission mechanism 6, wherein the front end and the rear end of the frame 4 are both provided with wheel frames 2, and the frame 4 and the wheel frames 2 are made of aluminum alloy materials, so that the weight of the bicycle body can be effectively reduced, and the performance of the bicycle can be improved; the end, far away from the frame 4, of the wheel frame 2 is provided with a mounting groove which is designed to be of a U-shaped structure, a wheel set is mounted in the mounting groove, the wheel set comprises an inner rim 9 fixedly arranged at the notch of the mounting groove of the wheel frame 2 and wheels movably arranged on the inner rim 9, and the wheels can coaxially rotate on the inner rim 9, so that the bicycle can move forwards; the wheel comprises an outer wheel ring 11 coaxially and rotatably connected with the inner wheel ring 9 and a tire 12 sleeved on the outer wheel ring 11, the inner wheel ring 9 and the outer wheel ring 11 are both made of rigid metal, and the tire 11 is made of a pneumatic rubber tire and has a good damping effect; the outer surface of the inner wheel ring 9 and the inner surface of the outer wheel ring 11 are provided with inner raceways, a plurality of balls are uniformly arranged in the inner raceways, the outer wheel ring 11 is coaxially and rotationally connected with the inner wheel ring 9 through the plurality of balls, and the friction force generated when the outer wheel ring 11 and the inner wheel ring 9 perform relative motion can be reduced; ball both sides are provided with ball backplate 10 (ball backplate 9 divide into left backplate and right backplate, and the ball groove has been seted up to left backplate and right backplate for inject the position of ball, left backplate passes through bolted connection with right backplate), and the position of ball can be injectd to ball backplate 10, prevents simultaneously that debris from entering the inner raceway. The wheel set arranged at the front end of the frame 4 is a front wheel set 1, and the wheel set arranged at the rear end of the frame 4 is a rear wheel set 7; the outer rim 11 of the rear wheel set 7 is further provided with a rim gear 22, specifically, the rim gear 22 is arranged in the middle of the outer rim 11 of the rear wheel set 7, the tires 12 are arranged on two sides of the rim gear 22, and the tires 12 arranged on two sides of the rim gear 22 can protect the rim gear 22. ) (ii) a The rim gear 22 is connected with a driving system 8 with rotary power through a transmission mechanism 6, and the driving system 8 drives the rim gear 22 to rotate through the transmission mechanism 6, so as to drive the wheels of the rear wheel set 7 to rotate and push the bicycle to walk forwards.

As shown in fig. 4 and 5, the driving system 8 includes a bearing driving mechanism, the bearing driving mechanism is connected with the rim gear 13 of the rear wheel set 7 through the transmission mechanism 6, the bearing driving mechanism includes a bearing whose outer ring 25 is fixedly arranged on the frame 4, the inner ring 24 of the bearing is provided with a bearing sleeve 23, one end of the bearing sleeve 23 is connected with a chain wheel 14, so that the chain wheel can rotate freely, the chain wheel 14 is provided with a cover plate for separating the feet of a person from the chain wheel 14 and preventing the machine oil on the chain wheel 14 from being stained on the trousers, two cranks 15 are oppositely arranged in the bearing sleeve 23, and the other ends of the two cranks 15 are respectively provided with a pedal 16; when the pedal 16 is stepped on, the crank 15 drives the bearing sleeve 23 to rotate, so as to drive the chain wheel 14 connected with the bearing sleeve 23 to rotate, and further, the power is transmitted to the transmission mechanism through the rotating chain wheel 14. The transmission mechanism comprises a flywheel 18, the flywheel 18 is connected with the driving system 8 through a transmission chain 17, the driving system 8 drives the flywheel 18 to rotate through the transmission chain 17 when working, a rotating shaft is arranged on the flywheel 18, a driving wheel is arranged at the other end of the rotating shaft and is meshed with a plurality of driven wheels 19 arranged on a driven wheel frame 20, the driven wheel frame 20 is fixed on the frame 3, the driven wheels 19 are meshed with a gear ring 21, gear ring teeth 22 are arranged on the outer surface of the gear ring 21, the gear ring teeth 22 are meshed with rim gears 13 of the rear wheel set 7, the driving system 8 transmits power to the flywheel 18 through the transmission chain 17 to drive the driving wheel and the driven wheels 19 to rotate, and then transmits the power to the rim gears 13 of the rear wheel set 7 through the gear ring 21 to drive wheels of the rear wheel set 7 to rotate so as to push the bicycle to move forwards.

The working principle of the utility model is as follows:

when the pedal 16 is pedaled by a foot to rotate clockwise, the crank 15 drives the bearing sleeve 23 to rotate, so as to drive the chain wheel 14 connected with the bearing sleeve 23 to rotate clockwise, the chain wheel 14 drives the flywheel 18 to rotate clockwise through the transmission chain 17, the flywheel 18 drives the driving wheel to rotate clockwise through the rotating shaft, the driving wheel drives the gear ring 21 to rotate anticlockwise through the driven wheel 19 on the driven wheel frame 20, finally, the gear ring 21 rotating anticlockwise drives the rim gear 13 of the rear wheel set 7 to rotate clockwise through the gear ring gear teeth 22, so as to drive the wheels of the rear wheel set 7 to rotate clockwise, and the bicycle is pushed to walk forwards.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the present invention is not limited by the appended claims.

Claims

1. The utility model provides a spoke-free bearing drive formula bicycle, includes frame, handlebar, saddle, actuating system and drive mechanism, its characterized in that: the front end and the rear end of the frame are respectively provided with a wheel set, the wheel set comprises an inner wheel ring fixedly arranged on the frame and a wheel movably arranged on the inner wheel ring, the wheel comprises an outer wheel ring coaxially and rotatably connected with the inner wheel ring and a tire sleeved on the outer wheel ring, the wheel set arranged at the front end of the frame is a front wheel set, and the wheel set arranged at the rear end of the frame is a rear wheel set; and the outer ring of the rear wheel set is also provided with a rim gear, and the rim gear is connected with a driving system with rotary power through a transmission mechanism.

2. The spokeless bearing driven bicycle of claim 1, wherein: the front end and the rear end of the frame are both provided with wheel frames, one ends, far away from the frame, of the wheel frames are provided with mounting grooves, and inner rims of the wheel sets are fixedly arranged in the notches of the mounting grooves.

3. The spokeless bearing driven bicycle of claim 1, wherein: interior raceway has been seted up to the surface of interior wheel rim and the internal surface of foreign steamer circle, evenly is provided with a plurality of balls in the interior raceway, foreign steamer circle is connected through a plurality of balls and interior wheel ring coaxial rotation, and the ball both sides are provided with the ball backplate.

4. The spokeless bearing driven bicycle of claim 1, wherein: the rim gear is arranged in the middle of an outer rim of the rear wheel set, and the tires are arranged on two sides of the rim gear.

5. The spokeless bearing driven bicycle of claim 1, wherein: the driving system comprises a bearing driving mechanism, the bearing driving mechanism comprises an outer ring and a bearing fixedly arranged on the frame, the inner ring of the bearing is provided with a bearing sleeve, one end of the bearing sleeve is connected with a toothed disc, two cranks are oppositely arranged in the bearing sleeve, and the other ends of the two cranks are respectively provided with a pedal.

6. The spokeless bearing driven bicycle of claim 1, wherein: the transmission mechanism comprises a flywheel, the flywheel is connected with a driving system through a transmission chain, a rotating shaft is arranged on the flywheel, the other end of the rotating shaft is provided with a driving wheel, the driving wheel is meshed with a plurality of driven wheels arranged on a driven wheel carrier, the driven wheel carrier is fixed on the frame, the driven wheels are meshed with a gear ring, gear ring teeth are arranged on the outer surface of the gear ring, and the gear ring teeth are meshed with a rim gear of a rear wheel set.