CN219339639U

CN219339639U - Double-rear shock absorption device of electric bicycle

Info

Publication number: CN219339639U
Application number: CN202320302012.4U
Authority: CN
Inventors: 李勇军
Original assignee: Guangzhou Rongyu Electric Vehicle Co ltd
Current assignee: Guangzhou Rongyu Electric Vehicle Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-07-14
Anticipated expiration: 2033-02-24

Abstract

The utility model provides a double-rear shock absorber of an electric bicycle, which comprises a frame head pipe for fixing a keel frame, a frame main beam pipe for connecting the frame head pipe, a frame upper pipe for fixing a seat cushion, a rear flat fork pipe for connecting a rear wheel of a motor, a rear shock absorber connected between the frame upper pipe and the rear flat fork pipe, a front part of the rear flat fork pipe connected with the frame main beam pipe, a rear end connected with a rear iron, a connecting piece arranged at the lower part of the frame upper pipe, and a connecting piece body, wherein the connecting piece comprises a connecting piece body, an arc-shaped sheet structure and a first connecting column, the upper part of the connecting piece body is vertically connected with the arc-shaped sheet structure which is bent downwards, the arc-shaped sheet structure which is bent downwards is used for protecting the upper part of the rear shock absorber, the middle part of the connecting piece is connected with a first connecting column, the first connecting column is used for being detachably connected with the upper part of the rear shock absorber, a second connecting column is arranged outside the rear iron and is used for being detachably connected with the lower part of the rear shock absorber, and the rear shock absorber is convenient to repair and install.

Description

Double-rear shock absorption device of electric bicycle

Technical Field

The utility model relates to the technical field of electric bicycles, in particular to a double-rear shock absorption device of an electric bicycle.

Background

At present, with the increase of environmental awareness, how to reduce the production and emission of pollutants is an aim of the current related art. In many vehicles, the bicycle has the characteristics of zero pollution, light volume, high maneuverability and the like, so that the bicycle is suitable for being used under the condition of frequent traffic in the present meeting area, and particularly, the folding bicycle has the advantages of small volume and convenience in carrying. In order to provide a more labor-saving vehicle, electric bicycles are increasingly used vehicles.

The prior electric bicycle shock absorber is mostly arranged under a front fork, a seat or on a tripod, and the rear shock absorber is a common shock absorbing device arranged on the tripod. In the existing rear shock absorber, a spring is arranged outside the telescopic arm and the sleeve, so that the shock absorbing function is achieved, but the rear shock absorber with the structure is poor in capability of bearing severe or sudden shock, severe abrasion and even damage between the telescopic arm and the sleeve are easy to cause, the shock absorbing effect is also to be improved, and the rear shock absorber is difficult to adapt to the requirements on steeper road sections.

In view of this, how to improve the ability of the rear shock absorber of the electric bicycle to bear severe or sudden vibration, patent publication No. CN107795620a discloses a spring plate buffer shock absorber for the bicycle, which is simple in structure, convenient to process, excellent in shock absorbing effect, and particularly suitable for the severe shock absorbing requirement of extremely steep road surfaces.

Disclosure of Invention

In view of this, in order to solve the inconvenient and easy problem of bumping out of dismouting of damper, the utility model proposes a pair of rear damper of electric bicycle, including the frame head pipe 1 of fixed headstock, connect the frame girder pipe 2 of frame head pipe 1, the frame upper tube 3 of fixed seatpad, connect the rear flat fork pipe 4 of the rear wheel 24 of motor, be connected with rear damper 5 between frame upper tube 3 and the rear flat fork pipe 4, the front portion of rear flat fork pipe 4 connects frame girder pipe 2, the rear end connects back iron 26, the lower part of frame upper tube 3 is equipped with connecting piece 6, connecting piece 6 includes connecting piece 6 body, arc sheet-like structure 7 and first spliced pole 8, the upper portion of connecting piece 6 body is connected with the arc sheet-like structure 7 of bending downwards perpendicularly, the arc sheet-like structure 7 of bending downwards is used for protecting rear damper 5 upper portion, the middle part of connecting piece 6 is connected with first spliced pole 8, first spliced pole 8 is used for dismantling with rear damper 5's upper portion, the outside of back iron 26 is equipped with second spliced pole 25, second spliced pole 25 is in order to dismantle damper with rear damper 5 with lower part and convenient for dismantling rear damper of rear damper 5.

The utility model provides a damping device behind two of electric bicycle, includes the frame head pipe 1 of fixed keel frame, connects frame girder pipe 2 of frame head pipe 1, and the frame upper tube 3 of fixed seatpad connects the back bottom fork pipe 4 of motor rear wheel 24, is connected with back damping device 5 between frame upper tube 3 and the back bottom fork pipe 4, and frame girder pipe 2 is connected at the front portion of back bottom fork pipe 4, back iron 26, its characterized in that are connected to the rear end: the lower part of car frame upper tube 3 is equipped with connecting piece 6, and connecting piece 6 includes connecting piece 6 body, arc sheet structure 7 and first spliced pole 8, the upper portion of connecting piece 6 body is connected with the arc sheet structure 7 of downwarping perpendicularly, and the middle part of connecting piece 6 is connected with first spliced pole 8, and first spliced pole 8 is used for dismantling with the upper portion of back damping device 5 and is connected, and the outside of back iron 26 is equipped with second spliced pole 25, and second spliced pole 25 is used for dismantling with the lower part of back damping device 5 and is connected.

Further, the lower portion of the frame upper tube 3 is welded to the connecting member 6.

In the preferred embodiment of the utility model, two vehicle frame upper pipes 3 are provided, the front ends of the two vehicle frame upper pipes 3 are connected with the vehicle frame head pipe 1, and the rear ends of the two vehicle frame upper pipes 3 are respectively connected with a rear shock absorbing device 5 and then connected to two sides of the motor rear wheel 24.

Further, the frame middle tube 22 is connected between the frame main beam tube 2 and the frame upper tube 3, so that the frame main beam tube 2, the frame upper tube 3 and the frame middle tube 22 form a stable triangle, and the frame middle tube 22 and the rear bottom fork tube 4 of the rear shock absorbing device 5 form a stable triangle, so that the frame stability of the electric bicycle is better.

Further, the upper portion of the rear shock absorber 5 is sleeved with the first connecting column 8, and the first connecting column 8 is provided with a first screw hole 9 for locking the sleeved rear shock absorber 5.

Further, the lower part of the rear shock absorber 5 is sleeved with a second connecting column 25, and a second screw hole 23 is formed in the second connecting column 25 and used for locking the sleeved rear shock absorber 5.

Further, the side of the rear shock absorbing device 5 is provided with an air flow adjusting valve 10, and the comfort of the user is adjusted by the amount of air flow in the rear shock absorbing device 5.

In the preferred embodiment of the present utility model, a chain adjuster 11 is further provided at the rear iron 26, for adjusting the length and tightness of the chain through the distance from the center of the entire motor rear wheel 24 to the rear iron 26,

further, the chain regulator 11 includes regulating plate 12, regulating plate 12 is close to motor rear wheel 24 department and is equipped with a dog 13, the rear end of regulating plate 12 is equipped with the screw locking device 16 that uses with the cooperation of dog 13, be equipped with regulation hole 14 and mounting hole 15 on the body of regulating plate 12, mounting hole 15 is connected with motor rear wheel 24, regulation hole 14 is connected with back iron 26, makes the center of whole motor rear wheel 24 reciprocate through the cooperation of screw locking device 16 and regulation hole 14 to make electric bicycle's frame stability better.

In the preferred embodiment of the utility model, the disc brake device 17 is arranged at the rear wheel 24 of the motor, the disc brake device 17 comprises a disc brake plate 18 connected with the rear wheel 24 of the motor and a disc brake lock 19 arranged at the lower part of the disc brake plate 18, and the upper part of the disc brake lock 19 is connected with the rear iron 26, so that the whole space design is more compact, and the confidentiality and space utilization rate are better.

Further, a parking frame 20 is provided at a lower portion of the rear iron 26 for supporting the electric bicycle while parking.

Further, the disc brake device 17 and the parking frame 20 are located on the same side of the motor rear wheel 24 and are matched with a chain and a flywheel for use.

Further, the upper portion of the rear fork tube 4 is vertically connected with a reinforcing plate 21 for reinforcing the strength of the bent portion of the rear fork tube 4.

The beneficial effects of the utility model are as follows: the utility model provides a double-rear shock absorber of an electric bicycle, which comprises a frame head pipe 1 for fixing a keel frame, a frame main beam pipe 2 for connecting the frame head pipe 1, a frame upper pipe 3 for fixing a seat cushion, a rear bottom fork pipe 4 for connecting a motor rear wheel 24, a rear shock absorber 5 connected between the frame upper pipe 3 and the rear bottom fork pipe 4, a front part of the rear bottom fork pipe 4 connected with the frame main beam pipe 2, a rear iron 26 connected with the rear end, a connecting piece 6 arranged at the lower part of the frame upper pipe 3, wherein the connecting piece 6 comprises a connecting piece 6 body, an arc-shaped sheet structure 7 and a first connecting column 8, the upper part of the connecting piece 6 body is vertically connected with the arc-shaped sheet structure 7 which is bent downwards, the arc-shaped sheet structure 7 which is bent downwards is used for protecting the upper part of the rear shock absorber 5, the middle part of the connecting piece 6 is connected with the first connecting column 8, the first connecting column 8 is used for being detachably connected with the upper part of the rear shock absorber 5, a second connecting column 25 is arranged outside the rear iron 26, and the second connecting column 25 is used for being detachably connected with the lower part of the rear shock absorber 5, and the rear shock absorber 5 is convenient to mount and dismount.

Drawings

Fig. 1 is a block diagram of the entire frame of the dual rear shock absorbing device of the electric bicycle according to the present embodiment.

Fig. 2 is a structural view of a frame portion of the dual rear shock absorbing device of the electric bicycle of the present embodiment.

Fig. 3 is a mounting structure diagram of a rear shock absorber of a dual rear shock absorber of an electric bicycle and a rear wheel of a motor according to the present embodiment.

Fig. 4 is a mounting structure diagram of a chain regulator and a motor rear wheel of the dual rear shock absorbing device of the electric bicycle of the present embodiment.

Description of the main reference signs

The utility model will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

As shown in fig. 1, the entire frame of the double rear shock absorbing device of the electric bicycle according to the present embodiment is structured.

The utility model provides a two rear shock absorber of electric bicycle, including the frame head pipe 1 of fixed keel frame, the frame girder pipe 2 of connecting frame head pipe 1, the frame upper tube 3 of fixed seatpad, the back bottom fork pipe 4 of connecting motor rear wheel 24, be connected with rear shock absorber 5 between frame upper tube 3 and the back bottom fork pipe 4, the frame girder pipe 2 is connected at the front portion of back bottom fork pipe 4, the upper portion vertical connection of back bottom fork pipe 4 is equipped with reinforcing plate 21, be used for strengthening the intensity of the crooked department of back bottom fork pipe 4, the rear end is connected back iron 26, be connected with frame middle tube 22 between frame girder pipe 2 and the frame upper tube 3, thereby make frame girder pipe 2, frame upper tube 3 and frame middle tube 22 form a stable triangle-shaped while frame middle tube 22, rear shock absorber 5 back bottom fork pipe 4 form a stable triangle-shaped, thereby make electric bicycle's frame stability better, the lateral part of rear shock absorber 5 is equipped with air current regulator 10, the comfort level of user is adjusted through the inside air current of rear shock absorber 5, the lower part of back iron 26 is equipped with the electric bicycle of 20 for the back support of not stopping when being used for the car.

As shown in fig. 2, a frame portion of the dual rear shock absorbing device of the electric bicycle according to the present embodiment is constructed; as shown in fig. 3, the rear shock absorber of the dual rear shock absorber of the electric bicycle and the installation structure of the rear wheel of the motor according to the present embodiment are shown.

The two upper frame tubes 3 are respectively connected with the frame head tube 1 at the front ends of the two upper frame tubes 3, the rear ends of the two upper frame tubes 3 are respectively connected with a rear shock absorber 5 and then connected to two sides of a motor rear wheel 24, a connecting piece 6 is arranged at the lower part of the upper frame tubes 3, the lower part of the upper frame tubes 3 is welded with the connecting piece 6, the connecting piece 6 comprises a connecting piece 6 body, an arc-shaped sheet structure 7 and a first connecting column 8, the upper part of the connecting piece 6 body is vertically connected with the arc-shaped sheet structure 7 which is bent downwards, the middle part of the connecting piece 6 is connected with the first connecting column 8, a second connecting column 25 is arranged outside a rear iron 26, the upper part of the rear shock absorber 5 is sleeved with the first connecting column 8, a first screw hole 9 is arranged on the first connecting column 8 and used for locking the sleeved rear shock absorber 5, the lower part of the rear shock absorber 5 is sleeved with the second connecting column 25, and a second screw hole 23 is arranged on the second connecting column 25 and used for locking the sleeved rear shock absorber 5.

The motor rear wheel 24 department is equipped with the dish and stops the device 17, and the dish is stopped the device 17 and is stopped the piece 18 and set up the dish that is connected at the piece 18 lower part and stop the piece 19 at the dish, the upper portion that the piece 19 was stopped to the dish is connected with back iron 26 to make holistic space design inseparabler, stealth and space utilization are better, and the dish is stopped the device 17 and is located the same side of motor rear wheel 24 with jiffy stand 20, cooperation chain and flywheel use.

As shown in fig. 4, the chain regulator and the motor rear wheel of the dual rear shock absorbing device of the electric bicycle according to the present embodiment are mounted in a structural view.

The rear iron 26 department still is equipped with chain regulator 11, through the distance of the center of whole motor rear wheel 24 from rear iron 26 for adjust the length and the elasticity of chain, chain regulator 11 includes regulating plate 12, regulating plate 12 is close to motor rear wheel 24 department and is equipped with a dog 13, the rear end of regulating plate 12 is equipped with the screw locking device 16 that uses with the cooperation of dog 13, be equipped with regulation hole 14 and mounting hole 15 on the body of regulating plate 12, mounting hole 15 is connected with motor rear wheel 24, regulation hole 14 is connected with rear iron 26, makes the center of whole motor rear wheel 24 reciprocate through the cooperation of screw locking device 16 and regulation hole 14, thereby makes electric bicycle's frame stability better.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a damping device behind two of electric bicycle, including frame head pipe (1) of fixed keel frame, frame girder pipe (2) of connecting frame head pipe (1), frame upper tube (3) of fixed seatpad, back flat fork pipe (4) of connecting motor rear wheel (24), be connected with back damping device (5) between frame upper tube (3) and back flat fork pipe (4), frame girder pipe (2) are connected at the front portion of back flat fork pipe (4), back iron (26) are connected to the rear end, its characterized in that: the lower part of car frame upper tube (3) is equipped with connecting piece (6), and connecting piece (6) are including connecting piece (6) body, arc sheet structure (7) and first spliced pole (8), the upper portion of connecting piece (6) body is connected with arc sheet structure (7) of downwarping perpendicularly, and the middle part of connecting piece (6) is connected with first spliced pole (8), and first spliced pole (8) are used for dismantling with the upper portion of back damping device (5) and are connected, and the outside of back iron (26) is equipped with second spliced pole (25), and second spliced pole (25) are used for dismantling with the lower part of back damping device (5) and are connected.

2. The dual rear shock absorbing device of an electric bicycle as set forth in claim 1, wherein: the number of the two on-frame pipes (3) is two, the front ends of the two on-frame pipes (3) are connected with the frame head pipe (1), and the rear ends of the two on-frame pipes (3) are respectively connected with a rear shock absorption device (5) and then connected to two sides of a motor rear wheel (24).

3. The dual rear shock absorbing device of an electric bicycle as set forth in claim 1, wherein: the frame main beam tube (2) and the frame upper tube (3) are connected with the frame middle tube (22), so that the frame main beam tube (2), the frame upper tube (3) and the frame middle tube (22) form a stable triangle, and the frame middle tube (22) and the rear bottom fork tube (4) of the rear shock absorber (5) form a stable triangle, so that the frame stability of the electric bicycle is better.

4. The dual rear shock absorbing device of an electric bicycle as set forth in claim 1, wherein: the upper portion of back damping device (5) cup joints with first spliced pole (8), is equipped with first screw hole (9) on first spliced pole (8) for with the locking of back damping device (5) after cup jointing.

5. The dual rear shock absorbing device of an electric bicycle as set forth in claim 1, wherein: the lower part of the rear shock absorber (5) is sleeved with a second connecting column (25), and a second screw hole (23) is formed in the second connecting column (25) and used for locking the sleeved rear shock absorber (5).

6. The dual rear shock absorbing device of an electric bicycle as set forth in claim 1, wherein: the side part of the rear shock absorbing device (5) is provided with an air flow regulating valve (10), and the comfort level of a user is regulated by the amount of air flow in the rear shock absorbing device (5).

7. The dual rear shock absorbing device of an electric bicycle as set forth in claim 1, wherein: the rear iron (26) is also provided with a chain regulator (11), and the distance from the center of the rear wheel (24) of the whole motor to the rear iron (26) is used for regulating the length and the tightness of the chain.

8. The dual rear shock absorbing device for an electric bicycle as set forth in claim 7, wherein: the chain regulator (11) comprises a regulating plate (12), the regulating plate (12) is close to a motor rear wheel (24) and is provided with a supporting stop block (13), the rear end of the regulating plate (12) is provided with a screw locking device (16) matched with the supporting stop block (13), a regulating hole (14) and a mounting hole (15) are formed in the body of the regulating plate (12), the mounting hole (15) is connected with the motor rear wheel (24), the regulating hole (14) is connected with a rear iron (26), and the whole motor rear wheel (24) is enabled to move back and forth in the center through the matching of the screw locking device (16) and the regulating hole (14), so that the frame stability of the electric bicycle is better.

9. The dual rear shock absorbing device of an electric bicycle as set forth in claim 1, wherein: the motor rear wheel (24) department is equipped with dish and stops device (17), and dish is stopped device (17) including dish that is connected with motor rear wheel (24) stop piece (18) and set up dish that is stopped piece (19) of stopping at dish brake piece (18) lower part, the upper portion that dish was stopped piece (19) is connected with back iron (26) to make holistic space design inseparabler, stealth and space utilization are better.

10. The dual rear shock absorbing device of an electric bicycle as set forth in claim 1, wherein: the lower part of the rear iron (26) is provided with a parking frame (20) for supporting the electric bicycle when parking.