Damping mechanism of cross-country electric motorcycle

By designing a shock-absorbing mechanism for off-road electric motorcycles that includes a mounting base, a shock-absorbing assembly and a force-adjusting structure, the problem of the inability to adjust the shock-absorbing force of the shock-absorbing spring and difficulty in replacement in the existing technology is solved, and flexible adjustment of shock-absorbing is achieved. strength and extended service life.

CN222373053UActive Publication Date: 2025-01-21HANGZHOU DOMANCA TECH CO LTD
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Patent Information

Application Number
CN202421374408.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-01-21
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

During the use of the shock absorbing mechanism of existing off-road electric motorcycles, the shock absorbing force of the shock absorbing spring cannot be adjusted, resulting in a reduced shock absorbing effect, and the shock absorbing spring cannot be replaced after it is damaged to the limit.

Method used

A shock-absorbing mechanism including a mounting base, a shock-absorbing component and a force adjustment structure is designed. The shock-absorbing assembly consists of a movable inner rod, a movable block, an inner semi-cylinder and an outer semi-cylinder, which are connected through hinges and locking parts, and the shock-absorbing spring is placed inside it. The strength adjustment structure consists of an adjustment seat, a sliding block and a thumb screw, which can adjust the shock absorption strength of the shock absorber spring and facilitate replacement.

Benefits of technology

It realizes the adjustment of the shock-absorbing strength of the shock-absorbing spring, extends the service life of the shock-absorbing effect, and facilitates the replacement of damaged shock-absorbing springs, avoiding the problem that the shock-absorbing strength is damaged to the limit and affects the shock-absorbing effect.

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Abstract

The utility model discloses a shock absorption mechanism of a cross-country electric motorcycle, which belongs to the technical field of shock absorption of cross-country electric motorcycles and comprises a mounting seat, a shock absorption component is mounted on the mounting seat and comprises two symmetrically arranged movable inner rods fixedly connected onto the mounting seat. Movable blocks are fixedly connected to the bottom ends of the movable inner rods, the movable blocks are slidably connected to the inner sides of the inner semicircular cylinders, and outer semicircular cylinders are rotationally connected to the bottoms of the inner semicircular cylinders through hinges; when the damping mechanism is used, the mounting seat can be welded on a frame of the off-road electric motorcycle in a welding mode, the two mounting blocks are respectively fixed on a front wheel frame of the off-road electric motorcycle through bolts, and the front wheel frame of the off-road electric motorcycle is fixed through the damping spring, the movable block, the movable inner rod, the inner semi-cylinder and the outer semi-cylinder under the action of the damping spring, the movable block, the movable inner rod, the inner semi-cylinder and the outer semi-cylinder. And front damping can be conveniently carried out on the cross-country electric motorcycle in the advancing process.
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Description

Technical Field

[0001] The utility model belongs to the technical field of shock absorption of off-road electric motorcycles, and in particular relates to a shock absorption mechanism of an off-road electric motorcycle. Background Art

[0002] Off-road electric motorcycles are usually equipped with specially designed shock-absorbing mechanisms to improve the stability and comfort of the vehicle when passing through uneven roads. These shock-absorbing mechanisms are usually composed of shock-absorbing springs, shock absorbers and other adjustment devices, which can absorb and reduce the vibration of the vehicle on bumpy roads to ensure a better driving experience for the rider.

[0003] The shock absorbing mechanism of the off-road electric motorcycle in the prior art has the following disadvantages during use:

[0004] Generally, two shock absorbers are installed on the front side of an off-road electric motorcycle, which are so-called front shock absorbers. However, the shock absorbing spring is generally arranged inside the shock absorber. Since the shock absorbing spring has fatigue strength, it cannot adjust its shock absorbing force after being used for a long time, and its shock absorbing effect will be greatly reduced. Secondly, the spring is arranged inside the shock absorber. When the shock absorbing force is damaged to the maximum limit, it cannot be easily replaced. Therefore, a shock absorbing mechanism for an off-road electric motorcycle is needed. Utility Model Content

[0005] The purpose of the utility model is to provide a shock absorbing mechanism for an off-road electric motorcycle to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shock absorbing mechanism for an off-road electric motorcycle, the shock absorbing mechanism comprising a mounting seat, a shock absorbing assembly being mounted on the mounting seat, the shock absorbing assembly comprising two symmetrically arranged movable inner rods fixedly connected to the mounting seat, movable blocks being fixedly connected to the bottom ends of the movable inner rods, the movable blocks being slidably connected to the inner side of the inner semi-cylinder, the bottom of the inner semi-cylinder being rotatably connected to the outer semi-cylinder through a hinge, the outer semi-cylinder being matched with the inner semi-cylinder on the corresponding side to form a complete cylindrical structure, the outer semi-cylinder being fixed to the outer side of the inner semi-cylinder through a locking piece, the bottom end of the inner semi-cylinder being welded with a mounting block with a mounting hole, the bottom end of the movable block being movably overlapped with the top end of a shock absorbing spring, and the shock absorbing spring being located on the inner side of the outer semi-cylinder and the inner semi-cylinder;

[0007] It also includes two force adjustment structures, which are both installed on the inner side of the inner semi-cylinder and movably connected to the bottom end of the shock-absorbing spring. The force adjustment structure can adjust the shock-absorbing force of the shock-absorbing spring.

[0008] As a preferred embodiment, the locking member includes two symmetrically arranged side strips fixed to the outside of the inner semi-cylinder and the outer semi-cylinder, and two symmetrically arranged bolts are movably inserted on the two side strips on the adjacent side of the outer wall of the inner semi-cylinder and the outer semi-cylinder, the cross-section of the bolt is a T-shaped structure, and one end of the bolt is locked and fixed by a nut.

[0009] As a preferred embodiment, each of the side strips is provided with two symmetrically arranged insertion holes, and the insertion holes are convenient for the bolts to pass through.

[0010] As a preferred embodiment, the force adjustment structure includes an adjustment seat slidably connected to the inner wall of the inner semi-cylinder, the top of the adjustment seat is movably overlapped with the bottom end of the shock-absorbing spring, and a sliding block with a convex cross-section is fixed to the outer side of the adjustment seat, and the sliding block is slidably connected to a sliding groove provided on the inner wall of the inner semi-cylinder.

[0011] As a preferred embodiment, the sliding block and the adjusting seat are movably provided with a same hand screw, and the outer side of the adjusting seat is provided with a groove for hiding the front end of the hand screw.

[0012] As a preferred embodiment, the inner wall of the sliding groove is provided with a plurality of screw holes matched with the rear end of the hand screw, and the plurality of screw holes are arranged in an equidistant array.

[0013] Compared with the prior art, the shock absorbing mechanism of the off-road electric motorcycle provided by the utility model has at least the following beneficial effects:

[0014] In the utility model, when the shock absorbing mechanism is used, the mounting seat can be welded to the frame of the off-road electric motorcycle by welding, and the two mounting blocks are respectively fixed to the front wheel frame of the off-road electric motorcycle by bolts. Through the effects of the shock absorbing spring, the movable block, the movable inner rod, the inner semi-cylinder and the outer semi-cylinder, it is convenient to perform front shock absorption during the running of the off-road electric motorcycle. When the shock absorbing force of the shock absorbing spring needs to be adjusted, the four nuts can be loosened and the four bolts can be removed respectively. Thereafter, the hinged outer semi-cylinder can be opened, so that the shock absorbing spring Expand, thereafter, by loosening the hand-tightening screw, the adjusting seat can be moved up in the inner semi-cylinder through the sliding block, so that the shock absorbing force of the shock absorbing spring after a long period of use can be adjusted. After the adjustment is completed, the hand-tightening screw can be locked in the screw hole of the corresponding height. In addition, when the shock absorbing spring needs to be replaced, the hand-tightening screw is loosened in the same way as above, so that the adjusting seat can be moved down, so that the shock absorbing spring can be removed from between the movable block and its adjusting seat, thereby facilitating the purpose of disassembly and replacement, and avoiding the shock absorbing force of the shock absorbing spring being damaged to the limit and affecting its shock absorbing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the shock absorbing spring of the utility model after being unfolded;

[0017] Figure 3 It is a schematic diagram of the three-dimensional unfolded structure of the adjusting seat and the sliding block of the utility model.

[0018] In the figure: 1. mounting seat; 2. shock absorbing assembly; 21. mounting block; 22. movable inner rod; 23. inner semi-cylinder; 24. outer semi-cylinder; 25. rubber telescopic dust cover; 26. movable block; 27. shock absorbing spring; 28. side strip; 29. ​​socket; 210. bolt; 211. nut; 3. force adjustment structure; 31. adjustment seat; 32. sliding block; 33. hand screw; 34. groove; 35. screw hole. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with embodiments.

[0020] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0021] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0022] Example

[0023] Generally, two shock absorbers are installed on the front side of the off-road electric motorcycle, which is the so-called front shock absorber. However, the shock absorber spring 27 is generally arranged inside the shock absorber. Since the shock absorber spring 27 has fatigue strength, it cannot be adjusted after a long time of use, and its shock absorption effect will be greatly reduced. On the other hand, the spring is arranged inside the shock absorber, and when the shock absorption strength is damaged to the maximum limit, it is not easy to replace it.

[0024] To do this, see Figure 1-3The utility model provides a shock absorbing mechanism for an off-road electric motorcycle, comprising: the shock absorbing mechanism comprises a mounting seat 1, a shock absorbing assembly 2 is mounted on the mounting seat 1, the shock absorbing assembly 2 comprises two symmetrically arranged movable inner rods 22 fixedly connected to the mounting seat 1, the bottom ends of the movable inner rods 22 are fixedly connected with movable blocks 26, the movable blocks 26 are slidably connected to the inner side of the inner semi-cylinder 23, the bottom of the inner semi-cylinder 23 is rotatably connected with the outer semi-cylinder 24 through a hinge, the outer semi-cylinder 24 is formed into a complete cylindrical structure after being matched with the inner semi-cylinder 23 on the corresponding side, the outer semi-cylinder 24 is fixed to the outer side of the inner semi-cylinder 23 through a locking piece, the bottom end of the inner semi-cylinder 23 is welded with a mounting block 21 with a mounting hole, the bottom end of the movable block 26 is movably overlapped with the top end of the shock absorbing spring 27, and the shock absorbing spring 27 is located on the inner side of the outer semi-cylinder 24 and the inner semi-cylinder 23;

[0025] It also includes two force adjustment structures 3, which are both installed on the inner side of the inner semi-cylinder 23 and movably connected to the bottom end of the shock-absorbing spring 27. The force adjustment structure 3 can adjust the shock-absorbing force of the shock-absorbing spring 27.

[0026] Among them, sealing pads are arranged on the mating surfaces of the inner semi-cylinder 23 and the outer semi-cylinder 24 to achieve the sealing of the gap at the mating point. The tops of the inner semi-cylinder 23 and the outer semi-cylinder 24 are respectively provided with semicircular holes for facilitating the movement of the movable inner rod 22. Figure 2 As can be seen, a rubber telescopic dust cover 25 is fixedly connected to the top of the inner semi-cylinder 23, and the bottom of the rubber telescopic dust cover 25 is also movably overlapped on the top of the outer semi-cylinder 24. The rubber telescopic dust cover 25 is movably sleeved on the outside of the movable inner rod 22, and the top end is fixedly connected to the bottom end of its mounting seat 1.

[0027] Further as Figure 1-3 As shown, it is worth specifically explaining that in order to enable the inner semi-cylinder 23 and the outer semi-cylinder 24 to be locked and fixed, a locking member is provided including two symmetrically arranged side strips 28 fixed to the outer sides of the inner semi-cylinder 23 and the outer semi-cylinder 24, and two symmetrically arranged bolts 210 are movably inserted on the two side strips 28 on the adjacent sides of the outer wall of the inner semi-cylinder 23 and the outer semi-cylinder 24. The cross-section of the bolt 210 is a T-shaped structure, and one end of the bolt 210 is locked and fixed by a nut 211, and each side strip 28 is provided with two symmetrically arranged insertion holes 29, which are convenient for the bolt 210 to pass through.

[0028] The shape of the bolt 210 can be searched in Baidu.

[0029] Further as Figure 1-3As shown, it is worth specifically explaining that in order to be able to adjust the shock-absorbing force of the shock-absorbing spring 27, a force adjustment structure 3 is set, including an adjustment seat 31 slidably connected to the inner wall of the inner semi-cylinder 23, the top of the adjustment seat 31 is movably overlapped with the bottom end of the shock-absorbing spring 27, and a sliding block 32 with a convex cross-section is fixed to the outer side of the adjustment seat 31. The sliding block 32 is slidably connected to the sliding groove provided on the inner wall of the inner semi-cylinder 23, and the same hand screw 33 is movably inserted into the sliding block 32 and the adjustment seat 31. A groove 34 is provided on the outer side of the adjustment seat 31 for hiding the front end of the hand screw 33, and a plurality of screw holes 35 are provided on the inner wall of the sliding groove for matching with the rear end of the hand screw 33, and the plurality of screw holes 35 are arranged in an equidistant array.

[0030] The sliding block 32 and the adjusting seat 31 are provided with insertion channels and the groove 34 is provided to prevent the front end of the hand screw 33 from protruding and affecting the covering of the outer semi-cylinder 24 .

[0031] In summary: when the shock absorbing mechanism is used, the mounting seat 1 can be welded to the frame of the off-road electric motorcycle, and the two mounting blocks 21 can be fixed to the front wheel frame of the off-road electric motorcycle by bolts 210 respectively. Through the effects of the shock absorbing spring 27, the movable block 26, the movable inner rod 22, the inner semi-cylinder 23 and the outer semi-cylinder 24, it is convenient to perform front shock absorption during the running of the off-road electric motorcycle. When the shock absorption force of the shock absorption needs to be adjusted, the four nuts 211 can be loosened and the four bolts 210 can be removed respectively. Thereafter, the hinged outer semi-cylinder 24 can be opened to expand the shock absorbing spring 27. After that, by loosening the hand screw 33, the adjustment seat 31 can be moved up in the inner semi-cylinder 23 through the sliding block 32, so that the shock absorbing strength of the shock absorbing spring 27 after a long time of use can be adjusted. After the adjustment is completed, the hand screw 33 can be locked in the screw hole 35 of the corresponding height. In addition, when the shock absorbing spring 27 needs to be replaced, the hand screw 33 is loosened in the same way as above, so that the adjustment seat 31 can be moved down, so that the shock absorbing spring 27 can be removed from between the movable block 26 and its adjustment seat 31, thereby facilitating the purpose of replacement and avoiding the shock absorbing strength of the shock absorbing spring 27 from being damaged to the limit and affecting its shock absorbing effect.

[0032] Unless otherwise defined, the technical or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "including" or "comprising" and the like used in the present invention mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. The words "connect" or "connected" and the like are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the described object changes, the relative position relationship may also change accordingly.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shock absorbing mechanism for an off-road electric motorcycle, the shock absorbing mechanism comprising a mounting seat (1), characterized in that: The mounting seat (1) is provided with a shock absorbing assembly (2), the shock absorbing assembly (2) comprising two symmetrically arranged movable inner rods (22) fixedly connected to the mounting seat (1), the bottom ends of the movable inner rods (22) being fixedly connected with movable blocks (26), the movable blocks (26) being slidably connected to the inner side of the inner semi-cylinder (23), the bottom of the inner semi-cylinder (23) being rotatably connected with the outer semi-cylinder (24) via a hinge, the outer semi-cylinder (24) being rotatably connected with the opposite inner rods (22). The inner semi-cylinder (23) on one side is matched to form a complete cylindrical structure, the outer semi-cylinder (24) is fixed to the outer side of the inner semi-cylinder (23) by a locking member, the bottom end of the inner semi-cylinder (23) is welded with a mounting block (21) with a mounting hole, the bottom end of the movable block (26) is movably overlapped with the top end of the shock absorbing spring (27), and the shock absorbing spring (27) is located on the inner side of the outer semi-cylinder (24) and the inner semi-cylinder (23); It also includes two force adjustment structures (3), which are both installed on the inner side of the inner semi-cylinder (23) and are movably connected to the bottom end of the shock absorbing spring (27). The force adjustment structure (3) can adjust the shock absorbing force of the shock absorbing spring (27).

2. The shock absorbing mechanism of an off-road electric motorcycle according to claim 1, characterized in that: The locking member comprises two symmetrically arranged side strips (28) fixedly connected to the outer sides of the inner semi-cylinder (23) and the outer semi-cylinder (24); two symmetrically arranged bolts (210) are movably inserted on the two side strips (28) on the adjacent sides of the outer wall of the inner semi-cylinder (23) and the outer wall of the outer semi-cylinder (24); the cross section of the bolts (210) is a T-shaped structure; one end of the bolts (210) is locked and fixed by a nut (211).

3. The shock absorbing mechanism of an off-road electric motorcycle according to claim 2, characterized in that: Each of the side strips (28) is provided with two symmetrically arranged insertion holes (29), and the insertion holes (29) are convenient for the bolts (210) to pass through.

4. The shock absorbing mechanism of an off-road electric motorcycle according to claim 1, characterized in that: The force adjustment structure (3) comprises an adjustment seat (31) slidably connected to the inner wall of the inner semi-cylinder (23), the top end of the adjustment seat (31) is movably overlapped with the bottom end of the shock-absorbing spring (27), and a sliding block (32) having a convex cross-section is fixedly connected to the outer side of the adjustment seat (31), and the sliding block (32) is slidably connected to a sliding groove provided on the inner wall of the inner semi-cylinder (23).

5. The shock absorbing mechanism of an off-road electric motorcycle according to claim 4, characterized in that: The sliding block (32) and the adjusting seat (31) are movably provided with a same hand screw (33), and the outer side of the adjusting seat (31) is provided with a groove (34) for hiding the front end of the hand screw (33).

6. The shock absorbing mechanism of an off-road electric motorcycle according to claim 5, characterized in that: The inner wall of the sliding groove is provided with a plurality of screw holes (35) matched with the rear end of the hand screw (33), and the plurality of screw holes (35) are arranged in an equidistant array.