CN217994699U

CN217994699U - Shock attenuation formula electric bicycle frame

Info

Publication number: CN217994699U
Application number: CN202221827935.3U
Authority: CN
Inventors: 袁国友; 石春月; 胡昊军; 宫辰; 韦堃; 马润辰; 马领军; 王松; 冯顺发; 冯超
Original assignee: Tianjin Shenzhou Electric Vehicle Co ltd
Current assignee: Tianjin Shenzhou Electric Vehicle Co ltd
Priority date: 2022-07-16
Filing date: 2022-07-16
Publication date: 2022-12-09
Anticipated expiration: 2032-07-16

Abstract

The utility model belongs to the technical field of electric bicycle, especially, shock attenuation formula electric bicycle frame, the following scheme is proposed at present, including automobile body and the damper of fixed connection at external wall of the vehicle body, the utility model discloses a set up first slider, in slide mechanism, when the personnel of riding take the people through the back seat, in the in-process of riding, there is the power of pushing down to the back seat through gravity, this moment, the effect through the connecting rod drives first damping spring and forms the extrusion at the back seat with damping device, come to carry out the operation of relieving oneself to the power that the back seat produced, and simultaneously, it slides along the inner wall of first spacing groove to drive the connecting shaft pole through the connection of connecting rod, further rotation of drive swinging arms, the rotation of swinging arms drives first slider and carries out vertical slip along the inner wall of fixed slot, play the effect of relieving oneself to the power that the back seat produced once more, in order to play the effective absorbing effect to the back seat, in order to realize the control operation who improves back seat personnel's comfort level.

Description

Shock attenuation formula electric bicycle frame

Technical Field

The utility model relates to an electric bicycle technical field especially relates to a shock attenuation formula electric bicycle frame.

Background

The electric bicycle is a vehicle which uses a storage battery as an auxiliary energy source, is provided with a motor, a controller, the storage battery, a rotating handle brake handle and other operating components and a display instrument system on the basis of a common bicycle, and a battery case is often used for mounting and protecting the storage battery in the mounting of the storage battery.

However, the problem that the riding comfort of the backseat personnel cannot be improved when the existing electric bicycle is used is caused, the backseat personnel are caused to be taken, the rear seat is poor in damping effect, discomfort is easily caused when the backseat personnel take for a long time, the problem that the damping effect of the frame and the frame connection part cannot be improved when the existing electric bicycle is used is caused, the electric bicycle is caused to be ridden for a long time, bad experience is easily caused to the riding personnel due to poor damping effect, the integral use public praise of the bicycle body is influenced, the sales volume of the electric bicycle is further influenced, the requirements of people cannot be met, and the shock absorption type electric bicycle frame is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of shock attenuation formula electric bicycle frame has solved the appearance that exists among the prior art and can't improve the rear seat personnel and take the comfort level and can't improve the problem of frame and connected to the frame position shock attenuation effect.

In order to realize the purpose, the utility model adopts the following technical scheme:

a shock absorption type electric bicycle frame comprises a bicycle body and a shock absorption mechanism fixedly connected to the outer wall of the bicycle body, wherein the shock absorption mechanism comprises a sliding assembly;

the sliding assembly comprises a connecting rod, a first sliding block and a fixing groove, the rear end of the vehicle body is fixedly connected with a rear seat, the outer wall of the vehicle body is fixedly connected with a damping device located at the bottom end of the rear seat, the bottom end of the rear seat is fixedly connected with the connecting rod, a first limiting groove is formed in the connecting position of the outer wall of the damping device and the connecting rod, a first damping spring located above the damping device is sleeved on the outer wall of the connecting rod, one end of the connecting rod is fixedly connected with a connecting shaft rod, one end of the connecting shaft rod is rotatably connected with a swinging rod, one end of the swinging rod is fixedly connected with the first sliding block in sliding connection with the inner wall of the damping device, and the fixing groove is formed in the connecting position of the inner wall of the damping device and the first sliding block.

Preferably, the outer wall fixedly connected with battery box of automobile body, frame before the outer wall fixedly connected with of automobile body, the lateral wall fixedly connected with of automobile body is located the back frame of back seat bottom, the one end fixedly connected with connecting block of preceding frame, the outer wall sliding connection of connecting block has the rotary rod with back frame swivelling joint, the one end swing joint of rotary rod has the second slider that is located the connecting block inner wall, the second spacing groove has been seted up with the position of being connected of rotary rod to the outer wall of connecting block, the one end fixedly connected with of second slider and back frame outer wall fixed connection's second damping spring.

Preferably, two sets of damping devices are provided, and the position distribution of the two sets of damping devices is symmetrical with respect to the central axis of the rear seat.

Preferably, the connecting shaft rod forms a sliding structure with the first limiting groove through the rear seat and the connecting rod.

Preferably, the first sliding block forms a sliding structure by connecting a shaft rod and the swinging rods with the fixed groove, the swinging rods are provided with two groups, and the position distribution of the two groups of swinging rods is symmetrical about the central axis of the damping device.

Preferably, the second sliding block forms a sliding structure with the connecting block through the front frame and the rotating rods, the rotating rods are provided with two groups, and the position distribution of the two groups of rotating rods is symmetrical about the central axis of the connecting block.

Preferably, the rear frame forms a damping structure with the front frame through the second sliding block and the second damping spring.

In the utility model, the water-saving device is provided with a water-saving tank,

1. by arranging the first sliding block, when a riding person carries the person through the backseat, the force pressing downwards on the backseat is generated through gravity in the riding process, at the moment, the first damping spring is driven to extrude the backseat and the damping device under the action of the connecting rod, so that the force generated by the backseat is relieved, meanwhile, the connecting rod is connected to drive the connecting rod to slide along the inner wall of the first limiting groove, the swinging rod is further driven to rotate, the first sliding block is driven to vertically slide along the inner wall of the fixing groove under the rotation of the swinging rod, so that the force generated by the backseat is relieved, the effect of effectively damping the backseat is achieved, and the control operation for improving the comfort level of the backseat is realized;

2. through setting up second damping spring, in damper, when electric bicycle is riding, can produce vibrations between preceding frame and the back frame, long-time riding can bring the discomfort to the personnel of riding on the one hand, on the other hand can reduce the life of automobile body, one end fixed connection connecting block through the frame in the front, make the personnel of riding when riding, the motion of preceding frame can with the rotation of back frame swivelling joint's rotary rod, the rotation of rotary rod drives the second slider through the effect of second spacing groove and slides along the inner wall of connecting block, the slip of second slider can be further extrudeed with back frame fixed connection's second damping spring, the effect of leaking is carried out to the shaking force that preceding frame and back frame produced, play the absorbing effect between frame and the frame, in order to realize the control operation to improve the whole shock attenuation effect of automobile body.

Drawings

Fig. 1 is a schematic view of an overall first view angle structure of a frame of a shock-absorbing electric bicycle according to the present invention;

fig. 2 is a schematic view of an overall second perspective structure of the frame of the shock-absorbing electric bicycle according to the present invention;

fig. 3 is a schematic view of a first damping spring movement structure of a damping electric bicycle frame according to the present invention;

fig. 4 is a schematic view of the second damping spring of the damping electric bicycle frame according to the present invention.

In the figure: 1. a vehicle body; 2. a battery box; 3. a rear seat; 4. a shock-absorbing device; 5. a connecting rod; 6. a first limit groove; 7. a first damping spring; 8. connecting the shaft lever; 9. a swing lever; 10. a first slider; 11. a fixing groove; 12. a front frame; 13. a rear frame; 14. connecting blocks; 15. rotating the rod; 16. a second slider; 17. a second limit groove; 18. a second damping spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a shock-absorbing electric bicycle frame comprises a bicycle body 1 and a shock-absorbing mechanism fixedly connected to the outer wall of the bicycle body 1, wherein the shock-absorbing mechanism comprises a sliding component;

the sliding assembly comprises a connecting rod 5, a first slider 10 and a fixing groove 11, a rear seat 3 is fixedly connected to the rear end of the vehicle body 1, a damping device 4 located at the bottom end of the rear seat 3 is fixedly connected to the outer wall of the vehicle body 1, a connecting rod 5 is fixedly connected to the bottom end of the rear seat 3, a first limiting groove 6 is formed in the connecting portion of the outer wall of the damping device 4 and the connecting rod 5, a first damping spring 7 located above the damping device 4 is sleeved on the outer wall of the connecting rod 5, a connecting shaft rod 8 is fixedly connected to one end of the connecting rod 5, a swinging rod 9 is rotatably connected to one end of the connecting shaft rod 8, the first slider 10 is fixedly connected to one end of the swinging rod 9 and slidably connected to the inner wall of the damping device 4, and the fixing groove 11 is formed in the connecting portion of the inner wall of the damping device 4 and the first slider 10.

Further, damping device 4 is provided with two sets ofly, and two sets of damping device 4's position distribution is symmetrical about the center pin of back seat 3, is favorable to distributing damping device 4 symmetrical about the center pin of back seat 3 through setting up two sets of positions, realizes the control operation to improving 3 shock attenuation stability of back seat.

Furthermore, connecting shaft 8 passes through to constitute sliding structure between back seat 3 and connecting rod 5 and the first spacing groove 6, is favorable to connecting rod 5 to slide along the inner wall of first spacing groove 6 and improves the motion that the effect of back seat 3 drove connecting shaft 8, realizes the control operation to the motion of first slider 10.

Furthermore, the first sliding block 10 forms a sliding structure between the connecting shaft rod 8 and the swing rod 9 and the fixing groove 11, the swing rods 9 are provided with two groups, the position distribution of the swing rods 9 is symmetrical about the central axis of the damping device 4, the movement of the connecting shaft rod 8 through the swing rods 9 is facilitated to drive the first sliding block 10 to slide along the inner wall of the fixing groove 11, and the control operation for improving the comfort level of the people on the backseat is realized.

Example two

Referring to fig. 4, as another embodiment of the present invention, in a first comparative example, a battery box 2 is fixedly connected to an outer wall of a vehicle body 1, a front frame 12 is fixedly connected to the outer wall of the vehicle body 1, a rear frame 13 located at a bottom end of a rear seat 3 is fixedly connected to a side wall of the vehicle body 1, a connecting block 14 is fixedly connected to one end of the front frame 12, a rotating rod 15 rotatably connected to the rear frame 13 is slidably connected to an outer wall of the connecting block 14, a second slider 16 located on an inner wall of the connecting block 14 is movably connected to one end of the rotating rod 15, a second limiting groove 17 is formed at a connecting portion between the outer wall of the connecting block 14 and the rotating rod 15, a second damping spring 18 fixedly connected to an outer wall of the rear frame 13 is fixedly connected to one end of the second slider 16, which is beneficial to when an electric bicycle is ridden, will produce vibrations between preceding frame 12 and the back frame 13, can bring the discomfort to the personnel of riding on the one hand for long-time riding, on the other hand can reduce automobile body 1's life, one end fixed connection connecting block 14 through frame 12 in the front, make the personnel of riding when riding, the motion of preceding frame 12 can rotate with 15 of back frame 13 swivelling joint's rotary rod, the effect through second spacing groove 17 of rotary rod 15 drives second slider 16 and slides along the inner wall of connecting block 14, the slip of second slider 16 can be further extrudeed with back frame 13 fixed connection's second damping spring 18, the effect of releasing is carried out to the shaking force that preceding frame 12 and back frame 13 produced, play the effect to absorbing between frame and the frame, in order to realize the control operation to improve automobile body 1 whole shock attenuation effect.

Further, second slider 16 constitutes sliding construction through between preceding frame 12 and rotary rod 15 and the connecting block 14, rotary rod 15 is provided with two sets ofly, and is two sets of the position distribution of rotary rod 15 is symmetrical about the center pin of connecting block 14, is favorable to the motion of preceding frame 12 to drive second slider 16 through the motion of rotary rod 15 and slides along the inner wall of connecting block 14, realizes the control operation to the motion of second damping spring 18.

Furthermore, the rear frame 13 forms a damping structure with the front frame 12 through the second slider 16 and the second damping spring 18, which is beneficial to the sliding of the second slider 16 to drive the damping movement of the rear frame 13 through the movement of the second damping spring 18 and the action of the front frame 12, thereby realizing the control operation for improving the overall damping effect of the vehicle body 1.

The working principle is as follows: when using, at first, when the personnel of riding take the people through back seat 3, at the in-process of riding, there is the power of pushing down to back seat 3 through gravity, at this moment, the effect through connecting rod 5 drives first damping spring 7 and forms the extrusion at back seat 3 and damping device 4, come to carry out the operation of letting out the power to the power that back seat 3 produced, and simultaneously, the connection through connecting rod 5 drives connecting shaft 8 and slides along the inner wall of first spacing groove 6, further rotation of drive swinging arms 9, the rotation of swinging arms 9 drives first slider 10 and carries out vertical slip along the inner wall of fixed slot 11, in order to play again and carry out the effect of letting out the power that produces back seat 3, in order to play the effect to back seat 3 effective absorbing, in order to realize the control operation to improve back seat 3 personnel's comfort level.

Finally, when electric bicycle is riding, can produce vibrations between preceding frame 12 and the back frame 13, long-time riding can bring the discomfort to the personnel of riding on the one hand, on the other hand can reduce automobile body 1's life, one end fixed connection connecting block 14 through frame 12 in the front, make the personnel of riding when riding, the motion of preceding frame 12 can rotate with 15 of back frame 13 swivelling joint's rotary rod, the rotation of rotary rod 15 drives second slider 16 through the effect of second spacing groove 17 and slides along the inner wall of connecting block 14, the slip of second slider 16 can be further extrudeed second damping spring 18 with back frame 13 fixed connection, the effect of leaking is carried out to the shaking force that preceding frame 12 and back frame 13 produced, play the effect to shock attenuation between frame and the frame, in order to realize the control operation who improves automobile body 1 whole shock attenuation effect.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a shock attenuation formula electric bicycle frame, includes automobile body (1) and the damper of fixed connection at automobile body (1) outer wall, its characterized in that: the shock absorption mechanism comprises a sliding component;

the sliding assembly comprises a connecting rod (5), a first sliding block (10) and a fixing groove (11), the rear end of the vehicle body (1) is fixedly connected with the rear seat (3), the outer wall of the vehicle body (1) is fixedly connected with a damping device (4) located at the bottom end of the rear seat (3), the bottom end of the rear seat (3) is fixedly connected with the connecting rod (5), a first limiting groove (6) is formed in the connecting position of the outer wall of the damping device (4) and the connecting rod (5), a first damping spring (7) located above the damping device (4) is sleeved on the outer wall of the connecting rod (5), one end of the connecting rod (5) is fixedly connected with a connecting shaft rod (8), one end of the connecting shaft rod (8) is rotatably connected with a swinging rod (9), one end of the swinging rod (9) is fixedly connected with a first sliding block (10) which is slidably connected with the inner wall of the damping device (4), and the fixing groove (11) is formed in the connecting position of the inner wall of the damping device (4) and the first sliding block (10).

2. A shock absorbing electric bicycle frame as claimed in claim 1, wherein: the outer wall fixedly connected with battery box (2) of automobile body (1), frame (12) before the outer wall fixedly connected with of automobile body (1), the lateral wall fixedly connected with of automobile body (1) is located back frame (13) of back seat (3) bottom, the one end fixedly connected with connecting block (14) of preceding frame (12), the outer wall sliding connection of connecting block (14) has rotary rod (15) with back frame (13) swivelling joint, the one end swing joint of rotary rod (15) has second slider (16) that is located connecting block (14) inner wall, second spacing groove (17) have been seted up with the position of being connected of rotary rod (15) to the outer wall of connecting block (14), the one end fixedly connected with of second slider (16) and back frame (13) outer wall fixedly connected's second damping spring (18).

3. The shock absorbing electric bicycle frame as claimed in claim 1, wherein: the damping devices (4) are arranged in two groups, and the position distribution of the two groups of damping devices (4) is symmetrical about the central axis of the rear seat (3).

4. The shock absorbing electric bicycle frame as claimed in claim 1, wherein: the connecting shaft rod (8) forms a sliding structure with the first limiting groove (6) through the rear seat (3) and the connecting rod (5).

5. A shock absorbing electric bicycle frame as claimed in claim 1, wherein: the first sliding block (10) forms a sliding structure with the fixed groove (11) through a connecting shaft rod (8) and two groups of swing rods (9), and the position distribution of the two groups of swing rods (9) is symmetrical about the central axis of the damping device (4).

6. A shock absorbing electric bicycle frame as claimed in claim 2, wherein: the second sliding block (16) forms a sliding structure with the connecting block (14) through the front frame (12) and the rotating rods (15), two groups of rotating rods (15) are arranged, and the position distribution of the two groups of rotating rods (15) is symmetrical about the central axis of the connecting block (14).

7. A shock absorbing electric bicycle frame as claimed in claim 2, wherein: and a damping structure is formed between the rear frame (13) and the front frame (12) through a second sliding block (16) and a second damping spring (18).