CN203172828U

CN203172828U - Wheel set powered by off-axis gravity pressure and bicycle

Info

Publication number: CN203172828U
Application number: CN 201220724603
Authority: CN
Inventors: 张桦
Original assignee: 张勤
Priority date: 2012-12-25
Filing date: 2012-12-25
Publication date: 2013-09-04
Anticipated expiration: 2022-12-25

Abstract

The utility model provides a wheel set powered by off-axis gravity pressure and a bicycle. The wheel set comprises a wheel, a rotary drum arranged in the center of the wheel, a main shaft, a turning shaft and a power-assisting shaft, wherein the wheel is firmly connected with the rotary drum, the rotary drum is a hollow round barrel, a tooth-shaped tooth groove and a smooth sliding groove are respectively arranged around the inner surface of the rotary drum, and the main shaft, the turning shaft and the power-assisting shaft are sequentially arranged on the rotary drum from front to back in an inserting mode. The bicycle comprises a bicycle frame, a pedal set connected with the bicycle frame, a flywheel set, a braking device used for braking the bicycle, a front wheel set, a rear wheel set, a front fork and a rear fork, wherein the flywheel set comprises a front flywheel and a rear flywheel which are linked with the pedal set, the front flywheel and the rear flywheel are linked through a chain, and the front wheel set and the rear set are of the same structure as the wheel set. The wheel set powered by off-axis gravity pressure and the bicycle have the advantages of enabling the wheels to run with less effort, and effectively saving force needed when the bicycle is started.

Description

A kind of set of wheels and bicycle of off-axis gravity compressing power-assist

[technical field]

The utility model relates to a kind of set of wheels and bicycle of off-axis gravity compressing power-assist.

[background technology]

Existing wheel is under the situation of bearing a heavy burden, and difficult promotion forward; Need expend great strength when starting and could pile motor-car and take turns from static; Simultaneously, will have wheel application now on bicycle, and by pushes pedals, drive preceding flywheel, chain and rear flywheel driving bicycle by pedal and advance; Because human body weight is pressed on the bicycle, make the power that need cost a lot of money when starting go to trample just and can advance.

[summary of the invention]

One of the technical problems to be solved in the utility model is to provide a kind of off-axis gravity to oppress the set of wheels of power-assist, advances by gravity compressing power-assist, and is more laborsaving during startup.

The utility model is achieved in that a kind of set of wheels of off-axis gravity compressing power-assist, and this set of wheels comprises a wheel, in cylinder, a main shaft, a break-in axle and a power-assist axle of this wheel center setting; Described wheel and this cylinder are fastenedly connected; Described cylinder is a hollow cylinder, and the inside face of this cylinder is equipped with teeth groove and a level and smooth chute of a dentation respectively; Described main shaft, break-in axle and power-assist axle three are inserted on this cylinder from front to back successively; Be arranged with one first gear, second gear that matches with this teeth groove and a pulley that matches with this chute on the described main shaft, and this first gear, second gear and pulley are connected rotatably with described main shaft all; Described first gear and second gear are fastenedly connected, and this first gear and the two interlock setting of second gear; Be arranged with a change gear on the described break-in axle, and this change gear is connected rotatably with described break-in axle; Be arranged with the second power-assist gear that one first power-assist gear and matches with this teeth groove on the described power-assist axle, and the first power-assist gear and the second power-assist gear are connected rotatably with described power-assist axle all; The described first power-assist gear and the second power-assist gear are fastenedly connected, and this first power-assist gear and the two interlock setting of the second power-assist gear; Described change gear meshes with first gear, the first power-assist gear respectively.

Preferable, the two axle center of described main shaft, power-assist axle is respectively at the forward and backward setting in the axle center of this cylinder; The two shaft core position of described main shaft, power-assist axle all is lower than the shaft core position of this cylinder.

Two of the technical problems to be solved in the utility model is to provide a kind of bicycle of off-axis gravity compressing power-assist, utilizes human body gravity to press down startup, and is laborsaving and efficient is high.

The utility model is achieved in that a kind of bicycle of off-axis gravity compressing power-assist, and this bicycle comprises that a vehicle frame, a pedal group that is connected with this vehicle frame, a flywheel group, are used for brake gear, a front fork and a back vent of this bicycle of braking; Described flywheel group comprises preceding flywheel and a rear flywheel that arranges with this pedal group interlock; Described forward and backward flywheel arranges by a chain interlock; The upper end of described forward and backward fork is hinged with described vehicle frame respectively, it is characterized in that: wheels, back wheels before this bicycle also comprises one;

Described both structures of forward and backward wheels are all consistent with described set of wheels; A sheathed sleeve on the main shaft of described back wheels; Described sleeve rotatably is connected with the main shaft of these back wheels; Described rear flywheel is sheathed on this sleeve, and this rear flywheel and described sleeve are fastenedly connected; First, second gear of described back wheels all is anchored on the described sleeve; The pulley of described back wheels rotatably is connected with this sleeve;

Two free ends of described front fork respectively with described before the two ends of main shaft of wheels be fastenedly connected; Described front fork is provided with push rod before, and this preceding push rod is fastenedly connected with the power-assist axle of described front fork, preceding wheels respectively; Two free ends of described back vent are fastenedly connected with the described two ends of the main shaft of wheels afterwards respectively; Described back vent is provided with a back push rod, and this back push rod is respectively with described back vent, afterwards the power-assist axle of wheels is fastenedly connected.

Preferable, the both sides of the cylinder of described forward and backward wheels are equipped with a side cover, and every described side cover all rotatably is connected on the cylinder of the cylinder of corresponding described preceding wheels, back wheels; Every described side cover is fastenedly connected with the power-assist axle of the break-in axle of the main shaft of corresponding described preceding wheels, the main shaft of back wheels, preceding wheels, the break-in axle of back wheels, preceding wheels, the power-assist axle of back wheels respectively; Described brake gear comprises two brake discs and two brake binders that are respectively applied to brake two described brake discs; Two described brake discs dead ring respectively are located on the cylinder of described forward and backward wheels; Two described brake binders are anchored on respectively on the corresponding described side cover.

Preferable, the axle center of the main shaft of described forward and backward wheels arranges respectively at the place ahead in the axle center of the cylinder of corresponding described forward and backward wheels; The shaft core position of the main shaft of described forward and backward wheels is lower than the shaft core position of the cylinder of corresponding described forward and backward wheels respectively; The axle center of the power-assist axle of described forward and backward wheels arranges respectively at the rear in the axle center of the cylinder of corresponding described forward and backward wheels; The shaft core position of the power-assist axle of described forward and backward wheels is lower than the shaft core position of the cylinder of corresponding described forward and backward wheels respectively.

Preferable, described forward and backward push rod is expansion link; Described forward and backward push rod encircles respectively establishes a damping spring.

Advantage of the present utility model is: the body weight by the people, by the forward and backward fork downward application of force of main shaft in the cylinder of front and rear wheel group respectively, drives wheel and pushes ahead to pressing down from vehicle frame, and is more laborsaving during startup.

[description of drawings]

In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.

Fig. 1 is the structural representation of the set of wheels of a kind of off-axis gravity compressing of the utility model power-assist.

Fig. 2 is the structural representation of the set of wheels intermediate roll of a kind of off-axis gravity compressing of the utility model power-assist.

Fig. 3 is the partial top view of the set of wheels intermediate roll of a kind of off-axis gravity compressing of the utility model power-assist.

Fig. 4 is the lateral plan of the set of wheels intermediate roll of a kind of off-axis gravity compressing of the utility model power-assist.

Fig. 5 is the structural representation of the bicycle of a kind of off-axis gravity compressing of the utility model power-assist

Fig. 6 is the partial top view of back wheels in the bicycle of a kind of off-axis gravity of the utility model compressing power-assist.

[specific embodiment]

See also Fig. 1 to shown in Figure 4, the set of wheels 100 of a kind of off-axis gravity compressing power-assist that the utility model relates to, this set of wheels 100 comprises a wheel 1, cylinder 2, a main shaft 3, a break-in axle 4 and a power-assist axle 5 that arranges in this wheel 1 center; Described wheel 1 is fastenedly connected with this cylinder 2; Described cylinder 2 is a hollow cylinder, and the inside face of this cylinder 2 is equipped with teeth groove 21 and a level and smooth chute 22 of a dentation respectively; Described main shaft 3, break-in axle 4 and power-assist axle 5 threes are inserted on this cylinder 2 from front to back successively; Be arranged with one first gear 31, second gear 32 that matches with this teeth groove 21 and a pulley 33 that matches with this chute 22 on the described main shaft 3, and this first gear 31, second gear 32 and pulley 33 are connected rotatably with described main shaft 3 all; Described first gear 31 and second gear 32 are fastenedly connected, and this

first gear

31 and 32 the two interlocks setting of second gear; Be arranged with a change gear 41 on the described break-in axle 4, and this change gear 41 is connected rotatably with described break-in axle 4; Be arranged with one first power-assist gear 51 and second a power-assist gear 52 that matches with this teeth groove 21 on the described power-assist axle 5, and the first power-assist gear 51 and the second power-assist gear 52 are connected rotatably with described power-assist axle 5 all; The described first power-assist gear 51 and the second power-assist gear 52 are fastenedly connected, and this first power-

assist gear

51 and 52 the two interlocks setting of the second power-assist gear; Described change gear 41 meshes with first gear 31, the first power-assist gear 51 respectively.This design makes the second power-assist gear 52 on pulley 33, second gear 32 and the power-assist axle 5 on the main shaft 3 by bearing a heavy burden, thereby chute 22, the gear 52 of pressing in the cylinder 2 drive wheel 1 and advance forward, effectively alleviate wheel 1 required strength when starting, more laborsaving.

As shown in Figure 4, the two the place ahead and rear respectively at the axle center of this cylinder 2 of the axle center of the axle center of described main shaft 3, power-assist axle 5 arranges; The two shaft core position of described main shaft 3, power-assist axle 5 all is lower than the shaft core position of this cylinder 2.This design makes the second power-assist gear 52 on pulley 33, second gear 32 and the power-assist axle 5 on the main shaft 3 more efficient when pressing down.

See also Fig. 5 to shown in Figure 6, the bicycle 200 of a kind of off-axis gravity compressing power-assist that the utility model relates to, this bicycle 200 comprise that a vehicle frame 6, a pedal group 7 that is connected with this vehicle frame 6, a flywheel group 8, are used for the brake gear 9 of this bicycle 100 of braking, a front fork 10, a back vent 11, preceding wheels 12 and back wheels 13; Described flywheel group 8 comprises preceding flywheel 81 and a rear flywheel 82 that arranges with this pedal group 7 interlocks; Flywheel 81, rear flywheel 82 are by a chain 83 interlock settings before described; The two is hinged with described vehicle frame 6 respectively in the upper end of the upper end of described front fork 10, back vent 11;

As Fig. 5 to shown in Figure 6, described before both structures of wheels 12, back wheels 13 all consistent with described set of wheels 100; A sheathed sleeve 132 on the main shaft 131 of described back wheels; Described sleeve 132 rotatably is connected with the main shaft 131 of these back wheels; Described rear flywheel 82 is sheathed on this sleeve 132, and this rear flywheel 82 is fastenedly connected with described sleeve 132; First gear 1311 of described back wheels, second gear 1312 of back wheels all are anchored on the described sleeve 132; The pulley 1313 of described back wheels rotatably is connected with this sleeve 132;

As shown in Figure 5, two free ends of described front fork 10 respectively with described before the two ends of main shaft 121 of wheels be fastenedly connected; Described front fork 10 is provided with push rod 101 before, and this preceding push rod 101 is fastenedly connected with the power-assist axle 122 of described front fork 10, preceding wheels respectively; Two free ends of described back vent 11 are fastenedly connected with the described two ends of the main shaft 131 of wheels afterwards respectively; Described back vent 11 is provided with a back push rod 111, and this back push rod 111 is respectively with described back vent 11, afterwards the power-assist axle 132 of wheels is fastenedly connected.Is connected with back vent 11 with front fork 10 respectively with back wheels 13 by preceding wheels 12, when starting, two wheels of the pressure drive bicycle 1 by health advance, and are more laborsaving efficient.

See also again shown in Figure 5, described before the cylinder 123, the both sides of cylinder 133 of back wheels of wheels be equipped with a side cover 14, and every described side cover 14 all rotatably be connected in corresponding described before on the cylinder 133 of cylinder 123, back wheels of wheels; Every described side cover 14 is fastenedly connected with the power-assist axle 122 of the break-in axle 124 of the main shaft 121 of corresponding described preceding wheels, the main shaft 131 of back wheels, preceding wheels, the break-in axle 134 of back wheels, preceding wheels, the power-assist axle 132 of back wheels respectively; Described brake gear 9 comprises two brake discs 91 and two brake binders 92 that are respectively applied to brake two described brake discs 91; Two described brake discs 91 dead ring respectively are located on the cylinder 133 of the cylinder 123 of described preceding wheels, back wheels; Two described brake binders 92 are anchored on respectively on the corresponding described side cover 14.This design is arranged at brake binder 92 respectively on the side cover 14 of forward and backward wheels, guarantees that the drop of high and low position can not appear in brake binder 92 when braking brake dish 91, and is safer.

See also again shown in Figure 5, described before wheels main shaft 121 axle center, back wheels main shaft 131 the axle center respectively at corresponding described before the place aheads in axle center of cylinder 133 of axle center, back wheels of cylinder 123 of wheels arrange; Before described the two shaft core position of the main shaft 131 of the main shaft 121 of wheels, back wheels be lower than respectively corresponding described before the two the shaft core position of cylinder 133 of cylinder 123, back wheels of wheels; Before described the axle center of the power-assist axle 132 of the axle center of the power-assist axle 122 of wheels, back wheels respectively at corresponding described before the rear in axle center of cylinder 133 of axle center, back wheels of cylinder 123 of wheels arrange; Before described the two shaft core position of the power-assist axle 132 of the power-assist axle 122 of wheels, back wheels be lower than respectively corresponding described before the two the shaft core position of cylinder 133 of cylinder 123, back wheels of wheels.The advantage of this design makes forward and backward wheels more efficient when being subjected to gravity to press down running.

See also again shown in Figure 5, described before push rod 101, the back push rod 111 be expansion link; Push rod 101, back push rod 111 encircle respectively and establish a damping spring before described.The advantage of this design exists, and keeps forward and backward wheels balance in the running, and reduces the vibrations of vehicle body, and is more comfortable when driving.

The set of wheels of a kind of off-axis gravity compressing of the utility model power-assist is when using, can be installed on the multiple different heavy burden car body (as: hand barrow, street pedlar's go-cart etc.), heavy burden by car body is to the downward application of force of the main shaft in the cylinder, the drive wheel advances, and it is more laborsaving that car body is promoted by set of wheels.

The bicycle of a kind of off-axis gravity compressing of the utility model power-assist is when using, the rider exerts pressure to bicycle downwards by self body weight, by forward and backward fork respectively to the downward application of force of the main shaft in the cylinder of forward and backward wheels, match with chute and teeth groove in the roller respectively by the pulley on the main shaft and second gear, when pulley and second gear with main shaft when pressing down, promote the forward and backward wheel of autotype car immediately and march forward; Play when starting body weight by human body and press down and advance, save required strength of trampling when starting, more laborsaving efficient.

Though more than described the specific embodiment of the present utility model; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; rather than for the restriction to scope of the present utility model; those of ordinary skill in the art are in modification and the variation of the equivalence of doing according to spirit of the present utility model, all should be encompassed in the scope that claim of the present utility model protects.

Claims

1. the set of wheels of off-axis gravity compressing power-assist is characterized in that: this set of wheels comprises cylinder, a main shaft, a break-in axle and the power-assist axle that a wheel, arranges in this wheel center; Described wheel and this cylinder are fastenedly connected; Described cylinder is a hollow cylinder, and the inside face of this cylinder is equipped with teeth groove and a level and smooth chute of a dentation respectively; Described main shaft, break-in axle and power-assist axle three are inserted on this cylinder from front to back successively; Be arranged with one first gear, second gear that matches with this teeth groove and a pulley that matches with this chute on the described main shaft, and this first gear, second gear and pulley are connected rotatably with described main shaft all; Described first gear and second gear are fastenedly connected, and this first gear and the two interlock setting of second gear; Be arranged with a change gear on the described break-in axle, and this change gear is connected rotatably with described break-in axle; Be arranged with the second power-assist gear that one first power-assist gear and matches with this teeth groove on the described power-assist axle, and the first power-assist gear and the second power-assist gear are connected rotatably with described power-assist axle all; The described first power-assist gear and the second power-assist gear are fastenedly connected, and this first power-assist gear and the two interlock setting of the second power-assist gear; Described change gear meshes with first gear, the first power-assist gear respectively.

2. the set of wheels of a kind of off-axis gravity compressing power-assist as claimed in claim 1 is characterized in that: the two axle center of described main shaft, power-assist axle is respectively at the forward and backward setting in the axle center of this cylinder; The two shaft core position of described main shaft, power-assist axle all is lower than the shaft core position of this cylinder.

3. the bicycle of off-axis gravity compressing power-assist, this bicycle comprises that a vehicle frame, a pedal group that is connected with this vehicle frame, a flywheel group, are for brake gear, a front fork and a back vent of braking this bicycle; Described flywheel group comprises preceding flywheel and a rear flywheel that arranges with this pedal group interlock; Described forward and backward flywheel arranges by a chain interlock; The upper end of described forward and backward fork is hinged with described vehicle frame respectively, it is characterized in that: wheels, back wheels before this bicycle also comprises one;

Described both structures of forward and backward wheels are all consistent with the described set of wheels of claim 1; A sheathed sleeve on the main shaft of described back wheels; Described sleeve rotatably is connected with the main shaft of these back wheels; Described rear flywheel is sheathed on this sleeve, and this rear flywheel and described sleeve are fastenedly connected; First, second gear of described back wheels all is anchored on the described sleeve; The pulley of described back wheels rotatably is connected with this sleeve;

4. a kind of off-axis gravity as claimed in claim 3 is oppressed the bicycle of power-assist, it is characterized in that: the both sides of the cylinder of described forward and backward wheels are equipped with a side cover, and every described side cover all rotatably is connected on the cylinder of the cylinder of corresponding described preceding wheels, back wheels; Every described side cover is fastenedly connected with the power-assist axle of the break-in axle of the main shaft of corresponding described preceding wheels, the main shaft of back wheels, preceding wheels, the break-in axle of back wheels, preceding wheels, the power-assist axle of back wheels respectively;

Described brake gear comprises two brake discs and two brake binders that are respectively applied to brake two described brake discs; Two described brake discs dead ring respectively are located on the cylinder of described forward and backward wheels; Two described brake binders are anchored on respectively on the corresponding described side cover.

5. a kind of off-axis gravity as claimed in claim 3 is oppressed the bicycle of power-assist, it is characterized in that: the axle center of the main shaft of described forward and backward wheels arranges respectively at the place ahead in the axle center of the cylinder of corresponding described forward and backward wheels; The shaft core position of the main shaft of described forward and backward wheels is lower than the shaft core position of the cylinder of corresponding described forward and backward wheels respectively;

The axle center of the power-assist axle of described forward and backward wheels arranges respectively at the rear in the axle center of the cylinder of corresponding described forward and backward wheels; The shaft core position of the power-assist axle of described forward and backward wheels is lower than the shaft core position of the cylinder of corresponding described forward and backward wheels respectively.

6. a kind of off-axis gravity as claimed in claim 5 is oppressed the bicycle of power-assist, and it is characterized in that: described forward and backward push rod is expansion link; Described forward and backward push rod encircles respectively establishes a damping spring.