Suspension system of side motor tricycle
By using shock absorbers made of high-elasticity manganese steel in the suspension system of the sidecar motorcycle, and by incorporating limiting mechanisms and fasteners at the connection points, the problems of unstable sidecar wheel installation and short shock absorber lifespan have been solved, thereby improving the stability and comfort of the sidecar motorcycle and reducing maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-23
- Publication Date
- 2026-03-20
AI Technical Summary
In existing sidecar motorcycle suspension systems, the mounting structure of the side wheels is not robust enough, resulting in an unstable ride, low ride comfort, short lifespan of shock absorber springs and leaf springs, and high maintenance costs.
The system employs a shock absorber rod installed inside the sidecar frame. One end of the shock absorber rod is detachably connected to the main vehicle, and the other end is detachably connected to the sidecar. The shock absorber rod is made of high-elasticity manganese steel, and a limiting mechanism and fasteners are provided at the connection point to enhance stability.
It improves the stability and ride comfort of the sidecar, extends the service life of the shock absorbers, and reduces later maintenance costs.
Smart Images

Figure CN224013797U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to side three -wheel motorcycle technical field, concretely relates to a side three -wheel motorcycle suspension system. BACKGROUND
[0002] Side three -wheel motorcycle is also called side three -wheel motorcycle, it is a kind of motorcycle with sidecar on the right side of two -wheel motorcycle. With the progress of science and technology and the improvement of people's living standards, ordinary people's life also more and more uses side three -wheel motorcycle. The suspension system of existing side three -wheel motorcycle is: connecting rocker arm on the right side of main car, installing side wheel on rocker arm, and installing shock spring between rocker arm and sidecar, also installing leaf spring under sidecar. Since side wheel is installed through suspended rocker arm, the installation structure of side wheel is not firm enough, and sidecar is not stable enough in the progress, so that the ride comfort of sidecar is low;And shock spring and leaf spring have short service life, and high maintenance cost in later period.
[0003] Therefore, it is necessary to design a side three -wheel motorcycle suspension system. UTILITY MODEL CONTENTS
[0004] In order to solve the problems in the background art, the purpose of the utility model is to provide a side three -wheel motorcycle suspension system, which not only achieves the purpose of shock absorption, but also enhances the stability and comfort of sidecar, and reduces the maintenance cost in later period.
[0005] The utility model adopts the technical scheme of: a side three -wheel motorcycle suspension system, including main car and corresponding sidecar of main car, the side of main car is equipped with sidecar frame by sidecar;
[0006] The sidecar frame includes first horizontal connecting rod, second horizontal connecting rod, the first horizontal connecting rod, second horizontal connecting rod are parallelly arranged, first longitudinal support rod, second longitudinal support rod are arranged between the first horizontal connecting rod, second horizontal connecting rod, the first longitudinal support rod, second longitudinal support rod are parallelly arranged and are perpendicular to the first horizontal connecting rod, second horizontal connecting rod;
[0007] The first horizontal connecting rod adopts hollow structure, and shock rod is arranged in the inside;
[0008] The position of main car relative to first horizontal connecting rod is equipped with first connecting part, and the position of sidecar relative to first horizontal connecting rod is equipped with second connecting part;One end of the shock rod is detachably connected with the first connecting part, and the other end of the shock rod is detachably connected with the second connecting part.
[0009] Compared with the prior art, the utility model discloses the beneficial effect is: through setting up damping stick in sidecar frame, one end of damping stick is detachably connected with main car, the other end of damping stick is detachably connected with sidecar, to solve the prior art " between the rocker arm and sidecar install damping spring, leaf spring, cause the installation structure of side wheel to be not firm enough, the sidecar is not enough stable in the progress, make the ride comfort of sidecar low, the service life is short in later period, the problem of high maintenance cost".
[0010] As further improvement of the above technical scheme, the damping stick is made of high-elastic manganese steel.
[0011] The improved technical effect is that the damping stick is made of high-elastic material, which is beneficial to improve the damping effect and prolong the service life of the shock absorber.
[0012] As further improvement of the above technical scheme, the two ends of the damping stick are provided with limiting mechanisms, and the first connecting part and the second connecting part are provided with opposite limiting mechanisms in the corresponding grooves. The limiting mechanism is a strip-shaped protrusion arranged in parallel from left to right, and the opposite limiting mechanism is a recess matched with the strip-shaped protrusion. The number of strip-shaped protrusions is several.
[0013] The improved technical effect is that the two ends of the damping stick are provided with limiting mechanisms, and the first connecting part and the second connecting part are provided with opposite limiting mechanisms in the corresponding grooves. The damping stick is prevented from rotating during work, its position is relatively stationary, and the damping effect is enhanced.
[0014] As further improvement of the above technical scheme, a first fastener, preferably a fastening ring, is arranged at the connection between the damping stick and the first connecting part. One end of the damping stick is embedded in the groove of the first connecting part, the first connecting part is arranged in the first transverse connecting rod, and the fastener is arranged on the outer surface of the first transverse connecting rod.
[0015] The improved technical effect is that the first fastener is arranged at the connection between the damping stick and the first connecting part, which is beneficial to enhance the stability of the side wheel sidecar frame installation.
[0016] As further improvement of the above technical scheme, a second fastener is arranged at the connection between the damping stick and the second connecting part. The second fastener includes a floating bolt, a nut and two fixed connectors. The other end of the damping stick is embedded in the groove of the second connecting part, the second connecting part is arranged in the first transverse connecting rod, the first fixed connector is arranged on the first transverse connecting rod, the second fixed connector is arranged at the corresponding position of the second connecting part, and the first fixed connector and the second fixed connector are both provided with through holes, and the inner diameter of the through hole is greater than the diameter of the floating bolt.
[0017] The above-mentioned improvements have the following effects: by providing a second fastener at the connection between the shock absorber and the second connecting part, it is beneficial to increase the stability of the side wheel installation; the inner diameter of the through hole on the first and second fixing parts is larger than the diameter of the floating bolt, so that the second connecting part can float up and down relative to the first transverse connecting rod, which facilitates the enhancement of the shock absorption effect of the shock absorber.
[0018] As a further improvement to the above technical solution, the side frame is provided with several fixed interfaces on the side near the main vehicle, and the fixed interfaces are elastically connected to the main vehicle.
[0019] As a further improvement to the above technical solution, the fixed interface is connected to the main vehicle by an elastic connecting rod, which further increases the shock absorption effect of the side frame. Attached Figure Description
[0020] Figure 1 This is an overall structural diagram of the present invention.
[0021] Figure 2 This is a cross-sectional view of the shock absorber rod connected to the first connecting part and the second connecting part.
[0022] Figure 3 This is a schematic diagram of the shock absorber.
[0023] Figure 4 This is a schematic diagram of the side frame structure.
[0024] Figure 5 This is an enlarged view of the connection between the shock absorber and the first connecting part.
[0025] Figure 6 This is an enlarged view of the connection between the shock absorber and the second connecting part.
[0026] In the diagram: 1. Main vehicle; 101. First connecting part; 201. Side wheel; 202. Second connecting part; 3. Side frame; 301. First transverse connecting rod; 302. Second transverse connecting rod; 303. First longitudinal support rod; 304. Second longitudinal support rod; 305. Shock absorber; 306. Strip-shaped protrusion; 307. Recess; 308. First fastener; 309. Second fastener; 309-1. Floating bolt; 309-2. Nut; 309-3. First fastener; 309-4. Second fastener; 310. Fixing interface; 311. Fixing component. Detailed Implementation
[0027] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of this utility model in any way. Example 1
[0028] Please refer to Figures 1 to 4 A sidecar suspension system, comprising a main vehicle 1 and a sidecar corresponding to the main vehicle, the main vehicle 1 being provided with a sidecar frame 3 on the side of the main vehicle;
[0029] The sidecar frame 3 comprises a first transverse connecting rod 301 and a second transverse connecting rod 302, the first transverse connecting rod 301 and the second transverse connecting rod 302 are arranged in parallel, and a first longitudinal support rod 303 and a second longitudinal support rod 304 are arranged between the first transverse connecting rod 301 and the second transverse connecting rod 302, the first longitudinal support rod 303 and the second longitudinal support rod 304 are arranged in parallel and perpendicular to the first transverse connecting rod 301 and the second transverse connecting rod 302;
[0030] The first transverse connecting rod 301 adopts a hollow structure, and a damping rod 305 is arranged in the inside of the first transverse connecting rod 301;
[0031] The main vehicle 1 is provided with a first connecting part 101 at the position corresponding to the first transverse connecting rod 301, and the sidecar is provided with a second connecting part 202 at the position corresponding to the first transverse connecting rod 301; one end of the damping rod 305 is detachably connected with the first connecting part 101, and the other end of the damping rod 305 is detachably connected with the second connecting part 202.
[0032] Specifically, the first connecting part 101 is in a cylindrical shape, one end of which is fixedly connected with the main vehicle 1, and the other end thereof faces the first transverse connecting rod 301, and a groove is arranged at one end of the first transverse connecting rod 301.
[0033] Specifically, the second connecting part 202 is in a cylindrical shape, one end of which is fixedly connected with the sidecar wheel shaft, and the other end thereof faces the first transverse connecting rod 301, and a groove is arranged at one end of the first transverse connecting rod 301.
[0034] Specifically, the damping rod 305 is made of high-elastic manganese steel.
[0035] Specifically, the two ends of the damping rod 305 are provided with limiting mechanisms, and the first connecting part 101 and the second connecting part 202 are provided with opposite limiting mechanisms in the grooves.
[0036] Specifically, the limiting mechanism is a strip-shaped protrusion 306 arranged in parallel from left to right, and the number of the strip-shaped protrusions 306 is multiple; and the opposite limiting mechanism is a concave part 307 matched with the strip-shaped protrusion 306.
[0037] Specifically, the second transverse connecting rod 302 is provided with a fixing part 311 on the side of the main vehicle 1, the fixing part 311 is fixedly connected with the main vehicle 1, and the stability of the sidecar is maintained.
[0038] Specifically, the sidecar frame is provided with a plurality of fixed interfaces 310 on the side of the main vehicle, and the fixed interfaces 310 are elastically connected with the main vehicle 1.
[0039] Specifically, the fixed interface 310 is connected with the main vehicle 1 through the elastic connecting rod, further increasing the damping effect of the sidecar frame. Embodiment 2
[0040] As shown in the above embodiment, further optimization is made: Figure 5
[0041] In order to enhance the connection fastening, the damping rod 305 is provided with a first fastener 308 at the connection with the first connecting part 101, preferably a fastening ring.
[0042] Specifically, the number of fastening rings is two.
[0043] Specifically, one end of the damping rod 305 is embedded in the groove of the first connecting part 101, the opening end of the first connecting part 101 extends into the first transverse connecting rod 301, and the fastening ring is arranged on the outer surface of the first transverse connecting rod 301. Embodiment 3
[0044] As shown in the above embodiment, further optimization is made: Figure 6
[0045] The damping rod 305 is provided with a second fastener 309 at the connection with the second connecting part 202; the second fastener 309 includes a floating bolt 309-1, a nut 309-2, a first fixed part 309-3 and a second fixed part 309-4.
[0046] Specifically, the other end of the damping rod 305 is embedded in the groove of the second connecting part 202, the opening end of the second connecting part 202 extends into the first transverse connecting rod 301, the outer surface of the first end of the first transverse connecting rod 301 is welded with the first fixed part 309-3, the corresponding position of the second connecting part 202 is welded with the second fixed part 309-4, and the first fixed part 309-3 and the second fixed part 309-4 are both provided with through holes, the number of the through holes is several, and the inner diameter of the through holes is greater than the diameter of the floating bolt, so that the second connecting part can float up and down relative to the first transverse connecting rod, thereby facilitating the damping effect of the damping rod.
[0047] The utility model discloses a specific working principle: set up damping rod in sidecar frame, and damping rod adopts high elasticity manganese steel, and in the operation of side three -wheel motorcycle, the vibration of sidecar is transmitted to damping rod through second connecting part, and reaches buffering damping effect.
[0048] It should be noted that in this paper, the term "including", "containing" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.
[0049] The principles and implementation modes of the present application are described by using specific examples herein. The above examples are only applicable to help understand the method and core idea of the present application. The above description is only the preferred implementation mode of the present application. It should be pointed out that due to the limited nature of the expression, there are objectively infinite specific structures. For ordinary skilled persons in the technical field, without departing from the principles of the present application, some improvements, refinements or changes can be made, or the above technical features can be combined in an appropriate manner. These improvements, refinements, changes or combinations, or without improvement, the concept and technical solution of the present application are directly applied to other occasions, which should be regarded as the protection scope of the present application.
Claims
1. A sidecar motorcycle suspension system, comprising a main vehicle (1) and sidecars corresponding to the main vehicle, characterized in that, The main vehicle (1) is equipped with a side frame (3) on the side of the side vehicle; The side frame (3) includes a first transverse connecting rod (301) and a second transverse connecting rod (302); The first transverse connecting rod (301) has a hollow structure and is equipped with a shock-absorbing rod (305) inside. The main vehicle (1) is provided with a first connecting part (101) at a position relative to the first transverse connecting rod (301), and the side vehicle is provided with a second connecting part (202) at a position relative to the first transverse connecting rod (301); one end of the shock absorber (305) is detachably connected to the first connecting part (101), and the other end of the shock absorber (305) is detachably connected to the second connecting part (202).
2. The sidecar motorcycle suspension system according to claim 1, characterized in that, The connection between the shock absorber (305) and the second connecting part (202) is provided with a second fastener (309); the second fastener (309) includes a floating bolt, a nut and two fixing parts; The other end of the shock absorber (305) is embedded in the groove of the second connecting part (202). The second connecting part (202) is located in the first transverse connecting rod (301). The first transverse connecting rod (301) is provided with a first fixing member. The second connecting part (202) is provided with a second fixing member at the corresponding position. Both the first fixing member and the second fixing member are provided with through holes. The inner diameter of the through hole is larger than the diameter of the floating bolt.
3. The sidecar motorcycle suspension system according to claim 1, characterized in that, The shock absorber (305) is made of high-elasticity manganese steel.
4. The sidecar motorcycle suspension system according to claim 1, characterized in that, The shock absorber (305) is provided with limiting mechanisms at both ends, and the first connecting part (101) and the second connecting part (202) are provided with opposing limiting mechanisms in their corresponding grooves.
5. The sidecar motorcycle suspension system according to claim 4, characterized in that, The limiting mechanism is a strip-shaped protrusion (306) arranged parallel from left to right, and the opposing limiting mechanism is a recess (307) adapted to the strip-shaped protrusion (306).
6. The sidecar motorcycle suspension system according to claim 1, characterized in that, The connection between the shock absorber (305) and the first connecting part (101) is provided with a first fastener (308).
7. The sidecar motorcycle suspension system according to claim 6, characterized in that, One end of the shock absorber (305) is embedded in the groove of the first connecting part (101), the first connecting part (101) is located in the first transverse connecting rod (301), and the fastener (308) is located on the outer surface of the first transverse connecting rod (301).
8. The sidecar motorcycle suspension system according to claim 1, characterized in that, The side frame is provided with several fixed interfaces (310) on the side of the main vehicle, and the fixed interfaces (310) are elastically connected to the main vehicle (1).
9. The sidecar motorcycle suspension system according to claim 1, characterized in that, The first transverse connecting rod (301) and the second transverse connecting rod (302) are arranged in parallel. A first longitudinal support rod (303) and a second longitudinal support rod (304) are provided between the first transverse connecting rod (301) and the second transverse connecting rod (302). The first longitudinal support rod (303) and the second longitudinal support rod (304) are arranged in parallel and perpendicular to the first transverse connecting rod (301) and the second transverse connecting rod (302).