Lightweight front and back swing arm structure
By employing a stepped design for the first and second swing arms on the electric scooter, the versatility and strength of the front and rear swing arms are improved, solving the problems of high manufacturing cost and heavy weight in the prior art, and enhancing the durability of the electric scooter.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-03-27
AI Technical Summary
The front and rear swingarms of existing electric scooters are not interchangeable, resulting in high manufacturing costs, heavy weight, and insufficient strength.
It employs two first swing arms and two second swing arms. The front wheel is fixed to the front frame via the first and second swing arms, and the rear wheel is fixed to the pedal seat via another first and second swing arm. The first and second swing arms are provided with stepped wide and narrow sections in the horizontal direction and are fixed to the wheel through mounting holes to increase strength. Through holes and plug-in parts are provided on the inner side of the wide section to improve the connection strength.
It achieves versatility for both front and rear control arms, reduces manufacturing costs, and improves the strength and durability of the control arms.
Smart Images
Figure CN224045359U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric scooter technical field especially is related to a light weight before and after swing arm structure. BACKGROUND
[0002] The popular use of electric scooters greatly facilitates the daily life of consumers, and as a product of a means of transportation and leisure entertainment is deeply loved by consumers.
[0003] The existing electric scooters include a frame, a front wheel and a rear wheel are arranged on the front and rear of the frame, and the front wheel and the rear wheel are fixedly connected with the frame through a front swing arm and a rear swing arm respectively.
[0004] However, the front and rear swing arms cannot be universal, resulting in high manufacturing cost, and the existing swing arms not only have large weight but also have insufficient strength, so further optimization and improvement are needed. INVENTION CONTENTS
[0005] The utility model aims at overcoming the above-mentioned prior art, and provides a light weight before and after swing arm structure which can be universal, and the two sides of a front wheel and a rear wheel are fixedly connected with an electric scooter through a first swing arm and a second swing arm respectively.
[0006] The utility model aims to realize the following technical scheme:
[0007] A light weight before and after swing arm structure includes a head stand, a front wheel, a pedal seat and a rear wheel, further includes two first swing arms and two second swing arms, the lower end of the head stand is provided with a front fixed frame, one end of the first swing arm and the second swing arm is fixedly connected with the center of the left and right sides of the front wheel respectively, the other end of the first swing arm and the second swing arm is fixedly connected with the lower end of the left and right sides of the front fixed frame respectively, the other end of the second swing arm and the first swing arm is fixedly connected with the rear end of the left and right sides of the pedal seat respectively, and the other end of the second swing arm and the first swing arm is fixedly connected with the center of the left and right sides of the rear wheel respectively.
[0008] Further, the first swing arm and the second swing arm are arranged in pairs of symmetry on the two sides of the front wheel and the rear wheel respectively.
[0009] Further, the first swing arm includes a first wide part with a larger width and a first narrow part with a smaller width in the horizontal direction, and the first wide part and the first narrow part are connected in a stepped manner in the horizontal direction.
[0010] Further, the second swing arm includes a second wide part with a larger width and a second narrow part with a smaller width in the horizontal direction, and the second wide part and the second narrow part are connected in a stepped manner in the horizontal direction.
[0011] Further, the first wide part is provided with a first mounting hole, and the first narrow part is provided with a second mounting hole; the second wide part is provided with a third mounting hole, and the second narrow part is provided with a fourth mounting hole.
[0012] Further, the outer side of the first wide part and the second wide part is respectively provided with a first through hole and a second through hole penetrating through the upper end and the lower end in the vertical direction.
[0013] Further, the inner side of the first wide part and the second wide part is respectively provided with a first plug-in part and a second plug-in part.
[0014] Further, the first plug-in part and the second plug-in part are provided with a damping device.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] Firstly, the utility model discloses two first swing arms and two second swing arms, the front wheel is fixedly connected with the head stand through a first swing arm and a second swing arm, the rear wheel is fixedly connected with the pedal seat through another first swing arm and second swing arm, and the first swing arm and the second swing arm can be used on the front wheel and the rear wheel in pairs, so that the universality is good, and the manufacturing cost is reduced.
[0017] Secondly, the first swing arm comprises a first wide part and a first narrow part in the horizontal direction, and the second swing arm comprises a second wide part and a second narrow part in the horizontal direction, so that the strength and quality of the first swing arm and the second swing arm are improved, the connecting strength is higher during fixation, and the durability is stronger. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is the three-dimensional schematic diagram of the utility model Figure One .
[0019] Figure 2 is the front view schematic diagram of the utility model Figure Two .
[0020] Figure 3 is the left view schematic diagram of the utility model.
[0021] Figure 4 is the right view schematic diagram of the utility model.
[0022] Figure 5 is the top view schematic diagram of the utility model.
[0023] Figure 6 is the explosion schematic diagram of the utility model light-weight front and rear swing arm structure. DETAILED DESCRIPTION
[0024] The utility model will be further explained in detail in connection with the embodiments given in the drawings.
[0025] As Figures 1 to 6 shown, the embodiment provides a lightweight front and rear swing arm structure, comprising a headstock 1, a front wheel 2, a pedal seat 3 and a rear wheel 4, further comprising two first swing arms 5 and two second swing arms 6, the lower end of the headstock 1 is provided with a front fixed frame 11, one end of the first swing arm 5 and the second swing arm 6 is respectively fixedly connected to the left and right sides of the center of the front wheel 2, the other end of the first swing arm 5 and the second swing arm 6 is respectively fixedly connected to the left and right sides of the lower end of the front fixed frame 11; the other end of the second swing arm 6 and the first swing arm 5 is respectively fixedly connected to the left and right sides of the rear end of the pedal seat 3, and the other end of the second swing arm 6 and the first swing arm 5 is respectively fixedly connected to the left and right sides of the center of the rear wheel 4.
[0026] In the embodiment, the first swing arm 5 and the second swing arm 6 are arranged symmetrically on both sides of the front wheel 2 and the rear wheel 4 respectively.
[0027] In the embodiment, the first swing arm 5 includes a first wide part 51 with a larger width and a first narrow part 52 with a smaller width in the horizontal direction, and the first wide part 51 and the first narrow part 52 are connected in a stepped manner in the horizontal direction, so that the front wheel 2 can be installed between the two opposite first swing arms 5 and second swing arms 6, and at the same time, the width of the first swing arm 5 and the second swing arm 6 is increased to a certain extent, which can effectively improve the strength of the swing arm.
[0028] In the embodiment, the second swing arm 6 includes a second wide part 61 with a larger width and a second narrow part 62 with a smaller width in the horizontal direction, and the second wide part 61 and the second narrow part 62 are connected in a stepped manner in the horizontal direction, so that the rear wheel 4 can be installed between the two opposite second swing arms 6 and first swing arms 5, and at the same time, the width of the second swing arm 6 and the first swing arm 5 is increased to a certain extent, which can effectively improve the strength of the swing arm.
[0029] In the embodiment, the first wide part 51 is provided with a first mounting hole 511, and the first narrow part 52 is provided with a second mounting hole 521; the second wide part 61 is provided with a third mounting hole 611, and the second narrow part 62 is provided with a fourth mounting hole 621.
[0030] The first swing arm 5 and the second swing arm 6 located on the left and right sides of the front wheel 2, the first wide part 51 and the second wide part 61 are fixed to the left and right sides of the lower end of the front fixed frame 11 through the first mounting hole 511 and the third mounting hole 611 respectively, and the first narrow part 52 and the second narrow part 62 are fixed to the left and right sides of the center of the front wheel 2 through the second mounting hole 521 and the fourth mounting hole 621 respectively.
[0031] The second swing arm 6 and the first swing arm 5 located on the left and right sides of the rear wheel 4, the second wide part 61 and the first wide part 51 are fixed to the left and right sides of the rear end of the pedal seat 3 through the third mounting hole 611 and the first mounting hole 511 respectively, and the second narrow part 62 and the first narrow part 52 are fixed to the left and right sides of the center of the rear wheel 4 through the fourth mounting hole 621 and the second mounting hole 521 respectively.
[0032] The first swing arm 5 located on one side of the front wheel 2 and the rear wheel 4 can be universal, and the second swing arm 6 located on one side of the front wheel 2 and the rear wheel 4 can also be universal, which reduces the manufacturing cost of the swing arm, simplifies the production and assembly process, and increases the maintenance convenience.
[0033] In the embodiment, the outer side of the first wide part 51 and the second wide part 61 is respectively provided with a first through hole 512 and a second through hole 612 penetrating the upper and lower ends in the vertical direction, and the first swing arm 5 and the second swing arm 6 are respectively provided with reinforcing ribs in the first through hole 512 and the second through hole 612, which can effectively improve the strength of the swing arm.
[0034] In the embodiment, the inner side of the first wide part 51 and the second wide part 61 is respectively provided with a first plug-in part 513 and a second plug-in part 613.
[0035] In the embodiment, the first plug-in part 513 and the second plug-in part 613 are provided with a damping device 7.
[0036] The above is only a preferred embodiment of the present application, which cannot limit the scope of the present application, that is, any simple equivalent changes and modifications made according to the patent application scope and the utility model description of the present application still belong to the scope of the present application.
Claims
1. A lightweight front and rear swing arm structure comprising a headstock, a front wheel, a pedal seat and a rear wheel, characterized in that: The front headstock is provided with a front fixing frame, one end of each of the first swing arm and the second swing arm is fixedly connected to the left and right sides of the center of the front wheel, and the other end of each of the first swing arm and the second swing arm is fixedly connected to the left and right sides of the lower end of the front fixing frame; one end of each of the second swing arm and the first swing arm is fixedly connected to the left and right sides of the rear end of the pedal seat, and the other end of each of the second swing arm and the first swing arm is fixedly connected to the left and right sides of the center of the rear wheel.
2. A lightweight front and rear swing arm structure according to claim 1, characterized in that: The first swing arm and the second swing arm are arranged in pairs of symmetry on the left and right sides of the front wheel and the rear wheel.
3. A lightweight front and rear swing arm structure according to claim 2, characterized in that: The first swing arm comprises a first wide part and a first narrow part in the horizontal direction, and the first wide part and the first narrow part are connected in a stepped manner in the horizontal direction.
4. A lightweight front and rear swing arm structure according to claim 3, characterized in that: The second swing arm comprises a second wide part and a second narrow part in the horizontal direction, and the second wide part and the second narrow part are connected in a stepped manner in the horizontal direction.
5. A lightweight front and rear swing arm structure according to claim 4, characterized in that: The first wide part is provided with a first mounting hole, and the first narrow part is provided with a second mounting hole; the second wide part is provided with a third mounting hole, and the second narrow part is provided with a fourth mounting hole.
6. A lightweight front and rear swing arm structure according to claim 5, characterized in that: The outer side of the first wide part and the second wide part is respectively provided with a first through hole and a second through hole penetrating through the upper and lower ends in the vertical direction.
7. A lightweight front and rear swing arm structure according to claim 6, characterized in that: The inner side of the first wide part and the second wide part is respectively provided with a first plug-in part and a second plug-in part.
8. A lightweight front and rear swing arm structure according to claim 7, characterized in that: The first plug-in part and the second plug-in part are provided with a damping device therebetween.