CN212195783U

CN212195783U - Folding electric bicycle

Info

Publication number: CN212195783U
Application number: CN202020692355.2U
Authority: CN
Inventors: 廖建; 廖伟文
Original assignee: Shenzhen Yaxiu Culture Media Co ltd
Current assignee: Shenzhen Yaxiu Culture Media Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-22
Anticipated expiration: 2030-04-29

Abstract

The utility model provides a folding electric bicycle, be connected including the front wheel, with the front wheel and be used for controlling the front wheel to turn to preceding frame, with preceding connected to the frame main frame, rear wheel, simultaneously with main frame and rear wheel be connected the rear frame and be used for driving the chain wheel mechanism that the rear wheel rotated with main connected to the frame, the main frame includes the girder pipe, with girder pipe swing joint sit the pipe and with the seatpad of sitting the top swing joint of pipe, the front end of girder pipe is equipped with the head pipe, the girder pipe is equipped with the appearance chamber and sits a tub fastening device that are used for holding sitting bobbin base tip, sit intraductal battery compartment that is used for adorning the battery that is equipped with, sit and be equipped with quick detach formula locking mechanism on the pipe. Compared with the prior art, this exercise bicycle will sit pipe and girder pipe separation, rotate to sit pipe and back and go up the fork and make to sit the pipe and back and go up the fork and be the horizontality and lay on the girder pipe, utilize the standpipe scray to realize the folding of front truck frame, whole bicycle is the horizontality folding like this for girder pipe atress is even, increase of service life, save space.

Description

Folding electric bicycle

Technical Field

The utility model relates to an electric bicycle field, especially a folding electric bicycle.

Background

The existing electric bicycle is designed to fold a frame part, a handle vertical tube and a handle so as to achieve the purpose of reducing the occupied space. The folding design of the frame part is that the main beam pipe part in the frame is folded usually, the distance between the front wheel body and the rear wheel body is reduced, and the folding joint of the frame folding mechanism is easy to damage due to uneven stress.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a folding electric bicycle is the horizontality with the frame and folds, and girder pipe atress is even, increase of service life.

The utility model adopts the technical proposal that:

the utility model provides a folding electric bicycle, includes the front wheel, is connected with the front wheel and is used for controlling front wheel pivoted front truck frame, the main frame of being connected with the front truck frame, rear wheel, the back frame of being connected with main frame and rear wheel simultaneously and be connected the chain wheel mechanism that is used for driving the rear wheel and rotates with the main frame, its characterized in that: the main frame comprises a main beam pipe, a seat pipe movably connected with the main beam pipe and a seat cushion movably connected with the top end of the seat pipe, the front end of the main beam pipe is provided with a head pipe, the main beam pipe is provided with a containing cavity for containing the bottom end part of the seat pipe and a seat pipe fastening mechanism for fastening the seat pipe, and a battery bin for containing batteries is arranged in the seat pipe; the rear frame comprises a rear lower fork connected with the main beam pipe, a rear upper fork hinged with the quick-release type locking mechanism and two rear upper fork claw hooks fixedly arranged on two sides of the rear wheel respectively, two fork arms of the rear lower fork are connected with the two rear upper fork claw hooks respectively, the two fork arms of the rear upper fork are hinged with the two rear upper fork claw hooks respectively, and the seat pipe is also provided with the quick-release type locking mechanism hinged with the top end of the rear upper fork.

Preferably, the front frame comprises a front fork connected with the front wheel and a vertical tube for controlling the front fork to rotate in the head tube to drive the front wheel to steer, the top end of the front fork is sleeved in the head tube, the top end of the vertical tube is connected with a T-shaped handlebar, and a vertical tube folder is arranged between the front fork and the vertical tube.

More preferably, the vertical tube folder comprises a rotating seat arranged at the top end of the front fork, a movable seat arranged at the bottom end of the vertical tube and a vertical tube locking mechanism used for locking the rotating seat and the movable seat, the rotating seat is hinged with the movable seat, and the rotating seat is sleeved at the top end of the head tube.

More preferably, the standpipe locking mechanism is a quick-release handle hinged to the rotating seat for keeping the rotating seat and the movable seat coaxial.

Preferably, the quick-release locking mechanism comprises a locking sleeve sleeved on the seat tube, the locking sleeve controls the tightness of the seat tube through a bolt, and one side of the locking sleeve is provided with a hinged seat hinged with one end of the rear upper fork.

Preferably, the seat cushion includes a cushion body and a cushion shaft provided at a bottom of the cushion body, the cushion shaft being inserted into a top end portion of the seat pipe.

Preferably, the seat pipe fastening mechanism is a locking bolt or a quick-release locking structure.

Preferably, folding electric bicycle still includes children's seat subassembly, children's seat subassembly includes the seat frame, and the one end demountable installation of seat frame is on the girder pipe, and the other end demountable installation of seat frame is on sitting the pipe, still is equipped with children's seat and is in the handle frame in children's seat the place ahead on the seat frame.

Preferably, a controller connected with the battery is further arranged on the rear lower fork, and the controller is further connected with the chain wheel mechanism.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a folding electric bicycle will sit pipe and girder pipe separation, rotates to sit pipe and back fork on to make to sit the pipe and back fork on be the horizontality and lay on the girder pipe, utilizes the folding of standpipe scray realization front truck frame simultaneously, is the horizontality folding with whole bicycle like this for girder pipe atress is even, and increase of service life saves space.

Drawings

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

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

fig. 3 is an exploded view of the foldable electric bicycle provided by the present invention;

fig. 4 is a first folding schematic view of the folding electric bicycle provided by the present invention;

fig. 5 is a second folding schematic view of the foldable electric bicycle provided by the present invention;

fig. 6 is a third folding schematic view of the folding electric bicycle provided by the present invention;

fig. 7 is a fourth folding schematic view of the foldable electric bicycle provided by the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 to fig. 3 illustrate a preferred embodiment of a foldable electric bicycle according to the present invention. As shown in fig. 1 to 3, the folding electric bicycle includes a front wheel 10, a front frame 20 connected to the front wheel for controlling the steering of the front wheel, a main frame 30 connected to the front frame, a rear wheel 40, a rear frame 50 connected to the main frame and the rear wheel, and a chain wheel mechanism 60 connected to the main frame for driving the rear wheel to rotate, wherein a user drives the front wheel and the rear wheel to rotate through the chain wheel mechanism 60 to ride.

As shown in fig. 3, the main frame 30 includes a main beam tube 31, a seat tube 32 movably connected to the main beam tube 31, and a seat cushion 33 movably connected to a top end of the seat tube, a head tube 34 is disposed at a front end of the main beam tube 31, the main beam tube 31 is provided with a receiving cavity 311 for receiving a bottom end portion of the seat tube and a seat tube fastening mechanism 312 for locking the seat tube, and a battery compartment 321 for accommodating the battery 100 is disposed in the seat tube 32; the rear frame 50 comprises a rear lower fork 52 connected with a main beam pipe, a rear upper fork 53 hinged with the quick-release type locking mechanism 35 and two rear upper fork claws 51 fixedly arranged at two sides of a rear wheel respectively, two fork arms of the rear lower fork 52 are connected with the two rear upper fork claws 51 respectively, two fork arms of the rear upper fork 53 are hinged with the two rear upper fork claws 51 respectively, and the seat pipe is also provided with the quick-release type locking mechanism 35 hinged with the top end of the rear upper fork 53; when the seat is in use, the bottom end of the seat tube 32 is inserted into the accommodating cavity 311, the seat tube fastening mechanism 312 is used for locking, the vertical state is kept, the quick-release type locking mechanism 35 is locked on the seat tube 32, and the rear upper fork 53 is kept in an inclined state, so that the seat tube 32, the rear upper fork 53 and the rear lower fork 52 form a stable triangle to support the seat, and the seat is convenient to use; when folding, unblock seat pipe fastening device 312, not hard up quick detach formula locking mechanism 35, will sit pipe 32 and upwards move in quick detach formula locking mechanism 35, the bottom portion of sitting pipe 32 separates with the appearance chamber 311 of girder pipe, it sits pipe 32 to rotate around quick detach formula locking mechanism 35 and the articulated position of back upper fork 53, it inserts back upper fork 53 to make to sit pipe 32 rotate to and slope, again with back upper fork 53 and sit pipe 32 all rotate around the articulated position of back upper fork 53 and back upper fork claw 51, make sit pipe 32 and back upper fork 53 be and lay on girder pipe 51 near the state parallel with the girder pipe, whole like this is the style of calligraphy folding, girder pipe atress is even, increase of service life, reduce the height, save space.

It should be noted that, as a preferred embodiment, the main beam tube 31 and the rear under-fork 52 are connected in a straight shape, and compared with the prior art in which the main beam tube is connected with the rear under-fork and the seat tube at an oblique angle, the present invention has the advantages of simple processing and beautiful appearance.

In a preferred embodiment, the seat pipe fastening mechanism 312 is a locking bolt; the seat tube fastening mechanism 312 can also be of other quick-release structures, so that the seat tube fastening mechanism is convenient to disassemble and assemble.

The quick-release type locking mechanism 35 comprises a locking sleeve 351 sleeved on a seat tube, the locking sleeve 351 controls the tightness of the seat tube through a bolt 352, one side of the locking sleeve 351 is provided with a hinged seat 353 hinged with the top end of a rear upper fork, when the quick-release type locking mechanism is folded, the locking sleeve 351 can be loosened through the bolt 352, the seat tube 32 moves upwards, and then the quick-release type locking mechanism rotates around the hinged position of the hinged seat 353 and the rear upper fork 53.

The seat cushion 33 comprises a seat cushion body 331 and a seat cushion shaft 332 arranged at the bottom of the seat cushion body 331, the seat cushion shaft 332 is inserted into the top end part of the seat cushion 32, and when the seat cushion is folded, the seat cushion shaft 332 can be rotated to rotate the seat cushion body 331, so that the seat cushion 32 can be more attached to the main beam pipe 31 in the rotating process; the seat cushion 33 can be detached from the seat tube 32 during folding, so that the folding is convenient.

The front frame 20 comprises a front fork 21 connected with a front wheel and a vertical tube 22 for controlling the front fork to rotate in a head tube to drive the front wheel to steer, the top end of the front fork 21 is sleeved in the head tube 34, the top end of the vertical tube 22 is connected with a T-shaped handle 23, a vertical tube folder 24 is arranged between the front fork and the vertical tube, when the front frame is in use, the front fork 21 and the vertical tube 22 are connected into a whole through the vertical tube folder 24, and the T-shaped handle 23 can control the front fork 21 to rotate through the vertical tube 22, namely, the steering of the front wheel is controlled, and the driving direction is adjusted; in the folded state, the vertical pipe 22 can be folded to be close to the main beam pipe 31 by using the vertical pipe folder 24, so that the space is saved.

The vertical tube folder 24 comprises a rotating seat 241 arranged at the top end of the front fork, a movable seat 242 arranged at the bottom end of the vertical tube and a vertical tube locking mechanism 243 used for locking the rotating seat and the movable seat, the rotating seat 241 is hinged to the movable seat 242, the rotating seat 241 is sleeved at the top end of the head tube 34, the top end of the front fork 21 penetrates through the head tube 34 and is connected with the rotating seat 241, when riding is needed, the vertical tube locking mechanism 243 is used for locking the rotating seat 241 and the movable seat 242, and the coaxial line of the rotating seat 241 and the movable seat 241 is kept; when the seat tube is folded, the vertical tube locking mechanism 243 is released, and the movable seat 242 can be folded by rotating around the position hinged with the rotating seat 241 until the vertical tube 22 rotates to be parallel to the front fork 21.

In a preferred embodiment, the stem locking mechanism is a quick release handle 243 hinged to the rotating seat 241 for keeping the rotating seat and the movable seat coaxial, when in use, the quick release handle 243 is erected to connect the rotating seat 241 and the movable seat 242 into a whole, and the rotating seat 241 and the movable seat 242 keep coaxial, so that the adjustment direction of the front wheel 10 can be controlled by using the T-shaped handle 23; when the folding state is reached, the quick release handle 243 is fallen down, and the movable seat 242 can rotate around the position hinged with the rotating seat 241 until the vertical tube 22 rotates to the state parallel to the front fork 21, so that the height is reduced, the space is saved, and the storage is convenient.

As shown in fig. 1, the folding electric bicycle further comprises a child seat assembly 70, the child seat assembly 70 comprises a seat frame 71, one end of the seat frame 71 is detachably mounted on the main beam pipe 31, the other end of the seat frame 71 is detachably mounted on the seat pipe 21, a child seat 72 and a handle frame 73 in front of the child seat are further arranged on the seat frame 71, and when a child sits on the child seat 72, the hands and feet of the child can be placed on the handle frame 73 to protect the child; the installation of seat frame 71 all adopts the bolt installation, but quick dismantlement and installation, when folding, need dismantle children's seat frame 71 from seat pipe 32 and main beam pipe 31.

The rear lower fork 52 is also provided with a controller 80 connected with a battery, and the controller 80 is also connected with the chain wheel mechanism 60 to control the chain wheel mechanism 60 to start. The controller 80 may also be connected to an anti-theft system and a navigation system for anti-theft and navigation.

As shown in fig. 4 to 7, the folding process of the folding electric bicycle is as follows: 1) the cushion shaft 332 is rotated to rotate the cushion body 331 in the direction, as shown in fig. 4, to rotate the cushion body 331 by 90 degrees; 2) unlocking the seat pipe fastening mechanism 312, loosening the quick-release type locking mechanism 35, loosening the locking sleeve 351 by using a bolt 352, moving the seat pipe 32 upwards in the locking sleeve 351, and separating the bottom end part of the seat pipe 32 from the accommodating cavity 311 of the main beam pipe; 3) rotating the seat tube 32 around the hinge position of the hinge seat 353 and the rear upper fork 53 so that the seat tube 35 is rotated and inserted obliquely into the rear upper fork 53, as shown in fig. 5; 4) the seat tube 32 and the seat tube 53 are both rotated around the hinge position of the seat tube 53 and the seat tube hook 51, so that the seat tube 32 and the seat tube 53 are placed on the girder tube 51 in a state of being approximately parallel to the girder tube, as shown in fig. 6; 5) the quick release handle 243 is turned down, and the movable seat 242 rotates around the position hinged to the rotating seat 241 until the vertical tube 22 rotates to be parallel to the front fork 21, so as to reduce the height, save the space and facilitate the storage, as shown in fig. 7.

To sum up, the technical scheme of the utility model can be fully effectual the above-mentioned utility model purpose of realization, just the utility model discloses a structure and functional principle all obtain abundant verification in the embodiment, can reach anticipated efficiency and purpose, do not deviating from the utility model discloses a under the prerequisite of principle and essence, can make multiple change or modification to the embodiment of utility model. Therefore, the present invention includes all the alternative contents within the scope mentioned in the claims, and all the equivalent changes made within the claims of the present invention are included in the claims of the present application.

Claims

1. The utility model provides a folding electric bicycle, includes the front wheel, is connected with the front wheel and is used for controlling the front wheel to turn to the front truck frame, with the main frame of front truck frame connection, rear wheel, simultaneously with the rear truck frame that main frame and rear wheel are connected and be used for driving the chain wheel mechanism that the rear wheel rotated, its characterized in that with the main frame: the main frame comprises a main beam pipe, a seat pipe movably connected with the main beam pipe and a seat cushion movably connected with the top end of the seat pipe, the front end of the main beam pipe is provided with a head pipe, the main beam pipe is provided with a containing cavity for containing the bottom end part of the seat pipe and a seat pipe fastening mechanism for fastening the seat pipe, and the seat pipe is internally provided with a battery bin for containing a battery; the rear frame comprises a rear lower fork connected with the main beam pipe, a rear upper fork hinged with the quick-release type locking mechanism and two rear upper fork claw hooks fixedly arranged on two sides of the rear wheel respectively, two fork arms of the rear lower fork are connected with the two rear upper fork claw hooks respectively, the two fork arms of the rear upper fork are hinged with the two rear upper fork claw hooks respectively, and the seat pipe is also provided with the quick-release type locking mechanism hinged with the top end of the rear upper fork.

2. The folding electric bicycle of claim 1, characterized in that: the front frame comprises a front fork connected with the front wheel and a vertical pipe used for controlling the front fork to rotate in the head pipe so as to drive the front wheel to steer, the top end of the front fork is sleeved into the head pipe, the top end of the vertical pipe is connected with a T-shaped handlebar, and a vertical pipe folder is arranged between the front fork and the vertical pipe.

3. The folding electric bicycle of claim 2, characterized in that: the vertical pipe folder comprises a rotating seat arranged at the top end of the front fork, a movable seat arranged at the bottom end of the vertical pipe and a vertical pipe locking mechanism used for locking the rotating seat and the movable seat, the rotating seat is hinged with the movable seat, and the rotating seat is sleeved at the top end of the head pipe.

4. The folding electric bicycle of claim 3, wherein: the vertical tube locking mechanism is a quick-release handle which is hinged on the rotating seat and used for keeping the rotating seat and the movable seat coaxial.

5. The folding electric bicycle of claim 1, characterized in that: the quick-release type locking mechanism comprises a locking sleeve sleeved on the seat tube, the locking sleeve controls the tightness of the seat tube through a bolt, and one side of the locking sleeve is provided with a hinged seat hinged to the top end of the rear upper fork.

6. The folding electric bicycle of claim 1, characterized in that: the seat cushion comprises a seat cushion body and a seat cushion shaft arranged at the bottom of the seat cushion body, and the seat cushion shaft is inserted into the top end part of the seat pipe.

7. The folding electric bicycle of claim 1, characterized in that: the seat pipe fastening mechanism is a locking bolt or a quick-release locking structure.

8. The folding electric bicycle of claim 1, characterized in that: folding electric bicycle still includes children's seat subassembly, children's seat subassembly includes the seat frame, and the one end demountable installation of seat frame is on the girder pipe, and the other end demountable installation of seat frame is on sitting the pipe, still is equipped with children's seat and is in the handle frame in children's seat the place ahead on the seat frame.

9. The folding electric bicycle of claim 1, characterized in that: and the rear lower fork is also provided with a controller connected with the battery, and the controller is also connected with the chain wheel mechanism.