CN210503020U

CN210503020U - Folding electric bicycle

Info

Publication number: CN210503020U
Application number: CN201920689846.9U
Authority: CN
Inventors: 黄炳全; 魏延久; 李文平
Original assignee: Zaozhuang Haisheng Electrombile Technology Co ltd
Current assignee: Zaozhuang Haisheng Electrombile Technology Co ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-05-12
Anticipated expiration: 2029-05-14

Abstract

The utility model belongs to the technical field of vehicle, especially, relate to a foldable electric bicycle, including car roof beam, handlebar, front fork, back vent, front wheel and rear wheel, be equipped with the front fork choke above the front fork, be equipped with the back vent choke above the back vent, be equipped with the function pipe support of U type below the car roof beam, the right-hand member of function pipe support is equipped with the spout with back vent choke looks adaptation, function pipe support lower extreme right side is equipped with the opening, still is equipped with the damping spring fixed plate below the car roof beam, the damping spring fixed plate with all be equipped with the damping spring spout on the back vent, be equipped with damping spring between damping spring fixed plate and the back vent, damping spring's both ends all slide to set up in the damping spring spout, and the right-hand member of function pipe support is equipped with the quick detach buckle that is used for fixed back vent. The utility model provides a foldable electric bicycle, convenient operation can effectively improve mechanical strength and mechanical stability, occupies less volume after folding.

Description

Folding electric bicycle

Technical Field

The utility model belongs to the technical field of vehicle, especially, relate to a foldable electric bicycle.

Background

The folding electric bicycles of all kinds provide great convenience for the trip or physical exercise of people, and because electric bicycles have higher requirements on mechanical strength, most folding electric bicycles occupy larger volume after being folded or more parts adopt a rotatable structure to cause the mechanical strength of the bicycle to be not high.

At present, more folding electric bicycles are provided with quick-release parts at the beam position to influence the mechanical stability of the bicycle body and the mechanical strength of the whole structure, so that the folding electric bicycles with high mechanical strength and mechanical stability and smaller volume after folding are very necessary.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: aiming at the defects existing in the prior art, the folding electric bicycle with high mechanical strength and mechanical stability and smaller volume after being folded is provided.

In order to solve the technical problem, the technical scheme of the utility model is that: a foldable electric bicycle comprises a beam, a handlebar, a front fork, a rear fork, a front wheel and a rear wheel, wherein a front fork throat is arranged on the front fork, a rear fork throat is arranged on the rear fork, a U-shaped functional pipe frame is arranged below the beam, a sliding groove matched with the rear fork throat is formed in the right end of the functional pipe frame, an opening is formed in the right side of the lower end of the functional pipe frame, a damping spring fixing plate is further arranged below the beam, damping spring sliding grooves are formed in the damping spring fixing plate and the rear fork throat, a damping spring is arranged between the damping spring fixing plate and the rear fork throat, two ends of the damping spring are arranged in the damping spring sliding grooves in a sliding manner, and a quick-release buckle for fixing the rear fork throat is arranged at the right end of the functional pipe frame;

be equipped with folding saddle on the car roof beam, the left end of function pipe support is equipped with the chain wheel, be equipped with the pedal on the chain wheel, the chain wheel with connect through chain drive on the gear of rear wheel, the motor set up in on the rear wheel, be equipped with the components of a whole that can function independently booster on the chain wheel, the components of a whole that can function independently booster with the motor electric connection, the group battery set up in the car roof beam.

Preferably, the front fork throat is rotatably connected with the beam, and quick-release parts are arranged on the upper part and the lower part of the front fork throat, so that the front wheel and the handlebar can be folded.

Preferably, the lower end of the throat pipe of the front fork is hinged with a guide rod, the free end of the guide rod is arranged on a front wheel fixing plate below the beam in a sliding mode, and the right end of the front wheel fixing plate is provided with a plug-in buckle used for locking the guide rod.

Preferably, the upper end of the damping spring is fixedly provided with a support rod, the support rod and the damping spring form an angle of 30-60 degrees, and the free end of the support rod is slidably arranged in the damping spring chute of the rear fork throat pipe.

Preferably, the right end of the function pipe support is further provided with a baffle, a shifting piece is arranged on the outer side of the baffle, a baffle compression spring is arranged on the outer side of the shifting piece, and the baffle compression spring is fixedly arranged on the function pipe support.

Preferably, the lower part of the functional pipe frame is further provided with a tensioner, the free end of the tensioner is rotatably provided with a tension wheel matched with the chain, and the tension wheel is a rubber wheel or a gear.

Preferably, the tensioner comprises a fixed frame fixed on the functional pipe frame, a connecting arm is rotatably arranged at the lower end of the fixed frame, a spring is further arranged between the fixed frame and the connecting arm, and the free end of the connecting arm is rotatably provided with the tensioning wheel.

Preferably, the two sides of the upper surface of the vehicle beam are respectively hinged with a luggage supporting plate, and the two sides of the front end and the rear end of the vehicle beam are respectively provided with a triangular bracket for supporting the luggage supporting plates.

Preferably, the rear end of the vehicle beam is rotatably provided with a telescopic towing wheel frame, and towing wheels are arranged on two sides of the lower end of the telescopic towing wheel frame.

Preferably, the articulated guide pulley that is equipped with in top of back fork choke, the lower extreme of function pipe support and the upper surface of right-hand member all be equipped with the guide pulley spout of guide pulley looks adaptation, the lower extreme left side of function pipe support is equipped with fixed eye-splice, be equipped with on the back fork choke with the jack of fixed eye-splice looks adaptation, the lower extreme left side of function pipe support still is equipped with compression spring.

Preferably, function pipe support top is equipped with micro motor, function pipe support lower extreme is equipped with the lead screw that the level was placed, the power input end of lead screw with the micro motor transmission is connected, the right side of lead screw is equipped with the nut, the right side of nut is articulated to be equipped with flexible rubber pole, the free end of flexible rubber pole with the articulated connection of upper end of back fork choke.

Since the technical scheme is used, the beneficial effects of the utility model are that: the handlebar and the front wheel can be folded due to the quick-release piece; the functional pipe frame can shrink the rear fork throat pipe into the functional pipe frame, so that the shrinkage of the rear wheels is realized; the quick-release buckle arranged on the rear fork can enhance the mechanical stability of the throat pipe of the rear fork, thereby enhancing the mechanical strength of the whole vehicle.

Because the foldable saddle is arranged, the occupied volume after being folded is further reduced; the split booster can realize the boosting mode of the folding electric bicycle.

Because the bracing piece that is equipped with on the damping spring can effectively strengthen damping spring's stability, guarantees damping spring's shock attenuation effect.

Due to the baffle plate, the mechanical stability of the rear fork throat pipe can be further enhanced, and the mechanical strength of the whole vehicle is enhanced.

Due to the tensioner and the tensioning wheel with the structure, the stability of the chain can be ensured when the whole vehicle is folded, and the tension degree of the chain under the folding and non-folding conditions can be ensured.

Because the luggage supporting plate is arranged on the vehicle beam, the supporting surface for storing luggage can be increased, and the luggage is convenient to carry.

Due to the telescopic towing wheel frame, the whole vehicle can be transported and towed when being folded.

The guide wheel, the guide wheel sliding groove and the fixing buckle can realize the rapid contraction of the rear fork throat pipe and ensure the fixation of the rear fork throat pipe under the contraction condition.

Due to the fact that the micro motor, the screw rod and the nut are arranged, electric contraction and expansion of the rear wheel can be achieved, and the bicycle is convenient and fast to use.

The utility model provides a foldable electric bicycle, convenient operation can effectively improve mechanical strength and mechanical stability, occupies less volume after folding.

Drawings

Fig. 1 is a schematic structural view of a foldable electric bicycle provided by the present invention;

fig. 2 is a schematic structural view of the folded electric bicycle provided by the present invention;

FIG. 3 is a schematic structural view of a functional pipe rack provided by the present invention;

FIG. 4 is a schematic structural view of a functional pipe rack provided by the present invention;

fig. 5 is a schematic structural view of the quick release buckle provided by the present invention;

fig. 6 is a schematic structural diagram of a baffle plate provided by the present invention;

fig. 7 is a schematic cross-sectional structural view of the vehicle beam provided by the present invention;

fig. 8 is a schematic structural view of the retractable tug carriage provided by the present invention;

in the figure: 1-saddle, 2-handlebar, 3-front fork throat, 4-quick-release part, 5-beam, 51-luggage support plate, 52-triangular bracket, 6-front wheel, 7-rear wheel, 8-front fork, 9-rear fork, 10-front wheel fixing plate, 11-guide rod, 12-chain wheel, 13-functional pipe frame, 131-micro motor, 132-baffle, 133-screw rod, 134-nut, 135-quick-release buckle, 1351-arc clamping groove, 1352-quick-release screw rod, 136-guide wheel, 14-damping spring fixing plate, 15-damping spring, 16-rear fork throat, 17-support rod, 18-fixing frame, 19-connecting arm, 20-tension wheel, 21-telescopic towing wheel frame, 22-tug, 23-baffle compression spring, 24-pedal and 25-plectrum.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 and fig. 2 jointly show a schematic structural view of a folding electric bicycle provided by an embodiment of the present invention, and for convenience of description, the present invention only provides structural parts related to the present invention.

As shown in fig. 1 and 2, the foldable electric bicycle comprises a beam 5, a handlebar 2, a front fork 8, a rear fork 9, a front wheel 6 and a rear wheel 7, wherein a front fork throat 3 is arranged on the front fork 8, a rear fork throat 16 is arranged on the rear fork 9, and a U-shaped functional pipe frame 13 is arranged below the beam 5 and used for accommodating the rear fork throat 16;

the right end of the functional pipe frame 13 is provided with a sliding chute matched with the rear fork throat 16, so that the rear fork throat 16 can slide conveniently; an opening is formed in the right side of the lower end of the functional pipe frame 13, so that a rear fork throat 16 can conveniently penetrate into the functional pipe frame 13; still be equipped with damping spring fixed plate 14 below car roof beam 5, all be equipped with the damping spring spout on damping spring fixed plate 14 and the back fork choke 16, be equipped with damping spring 15 between damping spring fixed plate 14 and the back fork choke 16, damping spring 15's both ends all slide and set up in the damping spring spout, and when rear wheel 7 was accomodate foldingly, damping spring 15 slided correspondingly.

As shown in fig. 5, the right-hand member of function pipe support 13 is equipped with the quick detach buckle 135 that is used for fixed back fork choke 16, effectively fixed back fork choke 16, mechanical stability and mechanical strength with reinforcing rear wheel 7, quick detach buckle 135 includes the arc draw-in groove 1351 of two relative settings, quick detach screw 1352 is worn to be equipped with by the one end of two arc draw-in grooves 1351, quick detach screw 1352's end is fixed to be set up on function pipe support 13, the arc draw-in groove 1351 that sets up has certain breach, can be when guaranteeing effectively fixed back fork choke 16, accomodate the slip that makes things convenient for back fork choke 16 when folding.

The foldable saddle 1 is arranged on the beam 5, so that the volume occupied by the folding and storage is further reduced; the left end of the functional pipe support 13 is provided with a chain wheel 12, the chain wheel 12 is provided with a pedal 24, and the chain wheel 12 is connected with the gear of the rear wheel 7 through chain transmission, so that the bicycle is convenient to ride when the electric quantity is insufficient; the motor is arranged on the rear wheel 7, the chain wheel 12 is provided with a split booster, and the split booster is electrically connected with the motor, so that power-assisted riding can be realized; the battery pack is arranged in the vehicle beam 5, so that the appearance is more attractive, and better water resistance is ensured.

The front fork throat pipe 3 is rotatably connected with a beam 5, the upper part and the lower part of the front fork throat pipe 3 are respectively provided with a quick-release part 4, the quick-release parts 4 adopt quick-release parts in a patent folding bicycle (application number: 201720650582.7) to realize the folding of a front wheel 6 and a handlebar 2, wherein the front wheel 6 rotates left and right to realize the folding and the unfolding, and the handlebar 2 rotates front and back to realize the folding and the unfolding.

The lower end of the front fork throat pipe 3 is hinged with a guide rod 11, the free end of the guide rod 11 is arranged on a front wheel fixing plate 10 below the vehicle beam 5 in a sliding mode, the right end of the front wheel fixing plate 10 is provided with a plug-in buckle used for locking the guide rod 11, and the front wheel 6 after being folded can be effectively fixed.

The upper end of the damping spring 15 is also fixedly provided with a support rod 17, the support rod 17 and the damping spring 15 are 30-60 degrees, the free end of the support rod 17 is slidably arranged in a damping spring sliding groove of the rear fork throat 16, and the support rod 17 can effectively ensure the damping effect of the damping spring 15.

As shown in fig. 6, a baffle 132 is further disposed at the right end of the functional tube frame 13, so as to further ensure the stability of the rear fork throat 16 and further enhance the mechanical stability and mechanical strength of the foldable electric bicycle; the outside of baffle 132 is equipped with plectrum 25, and the outside of plectrum 25 is equipped with baffle compression spring 23, and baffle compression spring 23 is fixed to be set up on function pipe support 13, needs manual plectrum 25 of stirring to make the back fork choke 16 pass through when accomodating folding.

The lower part of the functional pipe frame 13 is also provided with a tensioner, which is convenient for holding and folding the chain to keep a certain tension degree and preventing the chain from falling off or misplacing; the tensioner comprises a fixed frame 18 fixed on the functional pipe frame 13, a connecting arm 19 is rotatably arranged at the lower end of the fixed frame 18, a spring is further arranged between the fixed frame 18 and the connecting arm 19, a tensioning wheel 20 matched with the chain is rotatably arranged at the free end of the connecting arm 19, the spring is loosened when the connecting arm is folded, the connecting arm 19 rotates under the action of the tension of the spring to enable the chain to keep a certain tension degree, and the tensioning wheel 20 is a rubber wheel or a gear.

As shown in fig. 7, luggage support plates 51 are hinged to both sides of the upper surface of the vehicle beam 5, and triangular brackets 52 for supporting the luggage support plates 51 are provided on both sides of the front and rear ends of the vehicle beam 5, so that luggage can be conveniently placed when the luggage support plates 51 are unfolded.

As shown in fig. 8, a retractable trailer frame 21 is rotatably arranged at the rear end of the vehicle beam 5, and both sides of the retractable trailer frame 21 are both of a retractable tube structure, so that the retractable trailer frame 21 can be conveniently stored; the two sides of the lower end of the telescopic towing wheel frame 21 are provided with towing wheels 22, which is convenient for accommodating the towing of the folding electric bicycle during folding.

As shown in fig. 4, the top end of the back fork throat 16 is hinged with a guide wheel 136, and the upper surfaces of the lower end and the right end of the functional pipe frame 13 are both provided with guide wheel chutes matched with the guide wheel 136, so that the back fork throat 16 can be conveniently accommodated and folded in a sliding manner; the left side of the lower end of the functional pipe support 13 is provided with a fixed inserting buckle, and the rear fork throat 16 is provided with a jack matched with the fixed inserting buckle, so that the rear fork throat 16 is fixed when being conveniently stored and folded.

As shown in fig. 3, a micro motor 131 is arranged above the functional pipe support 13, a horizontally arranged screw rod 133 is arranged at the lower end of the functional pipe support 13, a power input end of the screw rod 133 is in transmission connection with the micro motor 131, a nut 134 is arranged on the right side of the screw rod 133, a flexible rubber rod is hinged to the right side of the nut 134, the free end of the flexible rubber rod is hinged to the upper end of the rear fork throat 16, and the foldable electric bicycle can be conveniently stored and folded for electric operation, and is convenient and fast.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A folding electric bicycle comprises a beam, a handlebar, a front fork, a rear fork, a front wheel and a rear wheel and is characterized in that a front fork throat is arranged on the front fork, a rear fork throat is arranged on the rear fork, a U-shaped functional pipe frame is arranged below the beam, a sliding groove matched with the rear fork throat is formed in the right end of the functional pipe frame, an opening is formed in the right side of the lower end of the functional pipe frame, a damping spring fixing plate is further arranged below the beam, damping spring sliding grooves are formed in the damping spring fixing plate and the rear fork throat, a damping spring is arranged between the damping spring fixing plate and the rear fork throat, two ends of the damping spring are arranged in the damping spring sliding grooves in a sliding manner, and a quick-release buckle for fixing the rear fork throat is arranged at the right end of the functional pipe frame;

be equipped with folding saddle on the car roof beam, the left end of function pipe support is equipped with the chain wheel, be equipped with the pedal on the chain wheel, the chain wheel with connect through chain drive on the gear of rear wheel, the motor set up in on the rear wheel, be equipped with the components of a whole that can function independently booster on the chain wheel, the components of a whole that can function independently booster with motor electric connection, battery pack set up in the car roof beam.

2. The foldable electric bicycle of claim 1, wherein the front fork throat is rotatably connected to the frame, and quick-release members are provided at both upper and lower portions of the front fork throat to allow the front wheel and the handle bar to be folded.

3. The foldable electric bicycle as claimed in claim 2, wherein the lower end of the throat of the front fork is hinged with a guide rod, the free end of the guide rod is slidably arranged on a front wheel fixing plate under the bicycle beam, and the right end of the front wheel fixing plate is provided with a plug for locking the guide rod.

4. The folding electric bicycle as claimed in claim 3, wherein a support rod is further fixedly disposed at the upper end of the damping spring, the support rod and the damping spring form an angle of 30-60 °, and the free end of the support rod is slidably disposed in the damping spring sliding groove of the rear fork throat tube.

5. The folding electric bicycle according to claim 4, wherein a baffle is further arranged at the right end of the functional pipe frame, a shifting plate is arranged outside the baffle, a baffle compression spring is arranged outside the shifting plate, and the baffle compression spring is fixedly arranged on the functional pipe frame.

6. The foldable electric bicycle according to claim 5, wherein a tensioner is further provided at a lower portion of the functional tube frame, a tension wheel adapted to the chain is rotatably provided at a free end of the tensioner, and the tension wheel is a rubber wheel or a gear.

7. The foldable electric bicycle of claim 1, wherein luggage support plates are hinged to both sides of the upper surface of the bicycle beam, and triangular brackets for supporting the luggage support plates are arranged on both sides of the front and rear ends of the bicycle beam.

8. The foldable electric bicycle of claim 1, wherein the rear end of the bicycle beam is rotatably provided with a retractable wheel carrier, and both sides of the lower end of the retractable wheel carrier are provided with towing wheels.

9. A folding electric bicycle as claimed in any one of claims 1 to 8, wherein a guide wheel is hinged to the top end of the rear fork throat, guide wheel sliding grooves matched with the guide wheel are formed in the upper surfaces of the lower end and the right end of the functional pipe frame, a fixing buckle is arranged on the left side of the lower end of the functional pipe frame, a jack matched with the fixing buckle is formed in the rear fork throat, and a compression spring is further arranged on the left side of the lower end of the functional pipe frame.

10. The folding electric bicycle according to any one of claims 1-8, wherein a micro motor is arranged above the functional pipe frame, a horizontally placed screw rod is arranged at the lower end of the functional pipe frame, the power input end of the screw rod is in transmission connection with the micro motor, a nut is arranged on the right side of the screw rod, a flexible rubber rod is hinged on the right side of the nut, and the free end of the flexible rubber rod is hinged with the upper end of the rear fork throat pipe.