Freight right three-wheeled motorcycle

By setting up an anti-turnover mechanism below the car, and using the cooperation of the cylinder and the pin shaft, the uniform discharge and pause of the freight-type regular tricycle is achieved, which solves the problem of overturning when the cargo is discharged and improves transportation safety.

CN120482225APending Publication Date: 2025-08-15YUXI XINTIANLI AGRI EQUIP MFG CO LTD
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Patent Information

Application Number
CN202510576882.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2025-08-15

AI Technical Summary

Technical Problem

When the cargo is loaded, existing freight-type three-wheeled motorcycles are prone to overturning due to the difficulty of loading at a constant speed, causing driver safety risks.

Method used

An anti-turning mechanism is set up below the car, including a cylinder, a pin head and a pin shaft. The height adjustment of the car is driven by the cylinder, and the arc-shaped movement of the pin head and a pin shaft is used, combined with the coordination of the limit groove and a limit rod, the uniform discharge and pause of the car is achieved to prevent overturning.

Benefits of technology

Through the design of the anti-turnover mechanism, the carriage is discharged at a constant speed and effective pause, which avoids overturning caused by piles of goods and improves transportation safety.

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Abstract

The invention discloses a freight type right three-wheeled motorcycle, and particularly relates to the field of three-wheeled motorcycles, the freight type right three-wheeled motorcycle comprises a carriage, an anti-overturning mechanism is arranged below the carriage, a damping mechanism is arranged below the anti-overturning mechanism, and a protection mechanism is arranged on one side of the carriage. By arranging the anti-overturning mechanism, in the working process of transporting goods by the freight type right three-wheeled motorcycle, one end of the carriage is driven by the air cylinder to adjust the height, under the action of a pin head a, a pin shaft a, a pin head b and a pin shaft b, the air cylinder can move in an arc shape, and the situation that when the goods are transferred to a needed place, the goods are not prone to falling off is avoided. According to the technical scheme, goods above a motor tricycle need to be discharged, when the goods above the motor tricycle are discharged, due to the fact that the goods are difficult to discharge at a constant speed, the phenomenon that the goods fall down at a time in a piling mode is likely to happen, the phenomenon that the motor tricycle turns over is caused under the influence of gravity, and then potential safety hazards are caused to a driver.
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Description

Technical Field

[0001] The present invention relates to the field of three-wheeled motorcycles, and more particularly to a freight-type moto three-wheeled motorcycle. Background Art

[0002] Three-wheeled motorcycles are motorcycles with three wheels. They are mainly divided into three categories according to industry classification: elderly vehicles, three-wheeled trucks, and passenger three-wheeled motorcycles. In addition, there are three-wheeled motorcycles, three-wheeled motorcycles, sidecar motorcycles, also known as sidecar motorcycles, shoulder motorcycles, motorcycles, and three-wheeled light motorcycles. A search revealed an existing patent (publication number: CN101879926A) that discloses a moto three-wheeled motorcycle, specifically a curved-beam moto three-wheeled motorcycle used for cargo transportation, belonging to the field of mechanical processing technology. This curved-beam moto three-wheeled motorcycle comprises a frame, a box, an engine, and a rear axle. The front portion of the frame utilizes a curved-beam structure, with the front wheel mounted to the front of the frame via a front shock absorber. A steering handle is mounted above the front shock absorber to control driving direction. The rear wheels are mounted at both ends of the rear axle, which is connected to the rear lower portion of the frame via a leaf spring rear suspension. The engine is suspended below the rear curved beam of the frame and connected to the rear axle via a reverse gear and a drive shaft, driving the rear wheels and providing driving force. The box is mounted at the rear of the frame and is used for cargo transportation. The front of the box features a backrest and a driver's seat. Footrests are located on both sides of the seat for easy access and enhanced driving comfort.

[0003] However, in the process of transporting goods by existing freight-type three-wheeled motorcycles, when the goods are transferred to the required location, the goods on top of the three-wheeled motorcycle need to be unloaded. When unloading the goods on top of the three-wheeled motorcycle, it is difficult to unload the goods at a uniform speed, and piles of goods are likely to fall down at once. Then, under the influence of gravity, the three-wheeled motorcycle may overturn, which may cause a safety hazard to the driver.

[0004] Therefore, in response to the above problems, a freight-type moto three-wheeled motorcycle is proposed. Summary of the Invention

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a freight-type three-wheeled motorcycle to solve the problem raised in the above-mentioned background technology that during the operation of the existing freight-type three-wheeled motorcycle to transport goods, when the goods are transferred to the required location, it is necessary to unload the goods above the three-wheeled motorcycle, and when unloading the goods above the three-wheeled motorcycle, it is difficult to unload the goods at a uniform speed, and piles of goods are likely to fall down at once, and then under the influence of gravity, the three-wheeled motorcycle will overturn, which will cause a safety hazard to the driver.

[0006] To achieve the above object, the present invention provides the following technical solution: a freight-type moto three-wheeled motorcycle, comprising a compartment, an anti-rollover mechanism is provided below the compartment, a shock-absorbing mechanism is provided below the anti-rollover mechanism, and a protective mechanism is provided on one side of the compartment; The anti-rollover mechanism includes a frame, which is arranged below the car body, a pin head a is arranged on the upper surface of the frame, a pin shaft a is arranged inside the pin head a, a cylinder is arranged on one side of the pin shaft a, a telescopic rod a is arranged above the cylinder, a telescopic sleeve a is provided on the outer side of the telescopic rod a, a pin head b is arranged at one end of the telescopic sleeve a, a pin shaft b is arranged inside the pin head b, and a car body is arranged on one side of the pin head b.

[0007] Preferably, a sliding groove a is provided on the surface of the telescopic rod a, a slider a is provided inside the sliding groove a, and a telescopic sleeve a is provided on the surface of the slider a.

[0008] Preferably, a limiting groove a is provided on the surface of the telescopic sleeve a, a limiting rod a is provided inside the limiting groove a, a spring a is provided on one side of the limiting rod a, and the spring a is provided on the surface of the telescopic rod a.

[0009] Preferably, a threaded shaft a is provided under the carriage, a rotating shaft a is provided on one side of the threaded shaft a, a threaded shaft b is provided on one side of the rotating shaft a, and the threaded shaft b is provided on the surface of the frame.

[0010] Preferably, a turntable is sleeved on the outer side of the rotating shaft a, a limiting groove b is provided on the surface of the turntable, and a limiting rod b is provided inside the limiting groove b.

[0011] Preferably, a spring b is provided on one side of the limiting rod b, a connecting block a is provided on one side of the spring b, and the connecting block a is provided on the surface of the frame.

[0012] Preferably, the shock absorbing mechanism includes a telescopic rod b, which is arranged below the frame. A slide groove b is provided on the surface of the telescopic rod b, a slider b is provided inside the slide groove b, a telescopic sleeve b is provided on the surface of the slider b, and a spring c is provided inside the telescopic sleeve b.

[0013] Preferably, a shock-absorbing pad is provided below the spring c, a connecting rod is provided below the shock-absorbing pad, a bearing is provided below the connecting rod, a rotating shaft b is provided inside the bearing, and wheels are provided on both sides of the rotating shaft b.

[0014] Preferably, the protective mechanism includes a connecting block b, which is arranged on one side of the carriage, a telescopic rod c is provided on one side of the connecting block b, a sliding groove c is provided on the surface of the telescopic rod c, a slider c is provided inside the sliding groove c, a telescopic sleeve c is provided on the surface of the slider c, and a limiting groove c is provided on the surface of the telescopic sleeve c.

[0015] Preferably, a limiting rod c is provided on the inner side of the limiting groove c, a spring d is provided on one side of the limiting rod c, the spring d is provided on the surface of the telescopic rod c, a protective plate is provided on one side of the telescopic sleeve c, a hinge is provided under the protective plate, the hinge is provided on the surface of the carriage, a fixing opening is opened on the surface of the protective plate, and a telescopic sleeve c is provided on the inner side of the fixing opening.

[0016] Technical effects and advantages of the present invention: 1. Compared with the prior art, the freight-type three-wheeled motorcycle is provided with an anti-rollover mechanism. During the operation of transporting goods by the freight-type three-wheeled motorcycle, the switch of the cylinder can be turned on first. Under the action of the cylinder, the height of one end of the carriage can be adjusted by the cylinder. Under the action of the pin head a and the pin shaft a and the pin head b and the pin shaft b, the cylinder can be made to move in an arc shape. At the same time, the surface of the telescopic sleeve a is provided with limit grooves a at equal intervals, and the surface of the telescopic rod a is distributed with limit rods a and springs a at equal intervals. Therefore, when unloading the goods from the carriage, the height of one end of the carriage can be adjusted at a uniform speed. At the same time, the carriage can be rhythmically paused when adjusting, so as to avoid the need to unload the goods above the three-wheeled motorcycle when the goods are transported to the required location. When unloading the goods above the three-wheeled motorcycle, it is easy for the goods to fall down in piles at once because it is difficult to unload the goods at a uniform speed. Under the influence of gravity, the three-wheeled motorcycle may overturn, which may cause a safety hazard to the driver.

[0017] 2. Compared with the prior art, this freight moto three-wheeled motorcycle is provided with an anti-rollover mechanism. During the operation of transporting goods by the freight moto three-wheeled motorcycle, when the height of one end of the carriage is adjusted, the rotating shaft a is used to drive the other end of the carriage to rotate, thereby facilitating the unloading of materials inside the carriage. At the same time, under the action of the spring b, the spring b is used to drive the limit rod b into the limit groove b on the surface of the turntable, and then it can cooperate with the telescopic sleeve a and the telescopic rod a to effectively pause when unloading materials from the carriage, thereby preventing the materials inside the carriage from piling up and falling all at once, causing the carriage to overturn. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall appearance of the present invention; Figure 2 This is a schematic structural diagram of the anti-turnover mechanism of the present invention; Figure 3 This is a schematic diagram of the structure of the pin head a and the pin shaft a cooperating with each other in the present invention; Figure 4 This is a schematic diagram of the structure of the cooperation between the limiting groove b and the limiting rod b of the present invention; Figure 5Schematic diagram of the structure of the shock absorbing mechanism of the present invention; Figure 6 This is a schematic diagram of the structure of the slideway b and the slider b cooperating with each other in the present invention; Figure 7 This is a schematic diagram of the protective mechanism structure of the present invention; Figure 8 It is a schematic diagram of the structure of the cooperation between the slide groove c and the slider c of the present invention.

[0019] The accompanying drawings are marked as follows: 1. carriage; 2. anti-rollover mechanism; 201. frame; 202. pin head a; 203. pin shaft a; 204. cylinder; 205. telescopic rod a; 2051. slide groove a; 2052. slider a; 2053. telescopic sleeve a; 2054. limiting groove a; 2055. limiting rod a; 2056. spring a; 206. pin head b; 207. pin shaft b; 2011. threaded shaft a; 2012. rotating shaft a; 2013. threaded shaft b; 2014. turntable; 2015. limiting groove b; 2016. limiting rod b; 2017. spring b; 2018. Connecting block a; 3. Shock-absorbing mechanism; 301. Telescopic rod b; 302. Slide b; 303. Slider b; 304. Telescopic sleeve b; 305. Spring c; 306. Shock-absorbing pad; 307. Connecting rod; 308. Bearing; 309. Rotating shaft b; 310. Wheel; 4. Protective mechanism; 401. Connecting block b; 402. Telescopic rod c; 403. Slide c; 404. Slider c; 405. Telescopic sleeve c; 406. Limiting groove c; 407. Limiting rod c; 408. Spring d; 409. Protective plate; 410. Hinge; 411. Fixing port. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example 1 like Figures 1 to 8A freight moto three-wheeled motorcycle is shown, comprising a carriage 1, an anti-rollover mechanism 2 is provided below the carriage 1, a shock absorbing mechanism 3 is provided below the anti-rollover mechanism 2, a protective mechanism 4 is provided on one side of the carriage 1, and the anti-rollover mechanism 2 comprises a frame 201, which is provided below the carriage 1, a pin head a202 is provided on the upper surface of the frame 201, a pin shaft a203 is provided inside the pin head a202, a cylinder 204 is provided on one side of the pin shaft a203, a telescopic rod a205 is provided above the cylinder 204, a telescopic sleeve a2053 is provided on the outer side of the telescopic rod a205, a pin head b206 is provided at one end of the telescopic sleeve a2053, a pin head b206 is provided on the inner side of the pin head b206, and the carriage 1 is provided on one side of the pin head b206.

[0022] Example 2 Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 8 As shown, see the following description for details: As a preferred embodiment, a sliding groove a2051 is provided on the surface of the telescopic rod a205, a slider a2052 is provided inside the sliding groove a2051, and a telescopic sleeve a2053 is provided on the surface of the slider a2052. Under the action of the sliding groove a2051 and the slider a2052, the sliding groove a2051 and the slider a2052 can be used to drive one end of the telescopic sleeve a2053 to adjust the height of the telescopic rod a205.

[0023] As a preferred embodiment, a limiting groove a2054 is provided on the surface of the telescopic sleeve a2053, a limiting rod a2055 is provided on the inner side of the limiting groove a2054, a spring a2056 is provided on one side of the limiting rod a2055, and the spring a2056 is provided on the surface of the telescopic rod a205. Under the telescopic reset action of the spring a2056, the spring a2056 is used to drive the limiting rod a2055 to enter the inner side of the limiting groove a2054, thereby achieving a fixed point stop for the telescopic sleeve a2053.

[0024] As a preferred embodiment, a threaded shaft a2011 is provided under the carriage 1, a rotating shaft a2012 is provided on one side of the threaded shaft a2011, a threaded shaft b2013 is provided on one side of the rotating shaft a2012, and the threaded shaft b2013 is provided on the surface of the frame 201. Under the action of the threaded shaft a2011, the rotating shaft a2012 and the threaded shaft b2013, the other end of the carriage 1 can be easily rotated.

[0025] As a preferred embodiment, a turntable 2014 is sleeved on the outer side of the rotating shaft a2012, a limiting groove b2015 is opened on the surface of the turntable 2014, and a limiting rod b2016 is set on the inner side of the limiting groove b2015. Under the action of the limiting groove b2015 and the limiting rod b2016, when the limiting rod b2016 enters the inner side of the limiting groove b2015, the turntable 2014 can be fixedly stopped.

[0026] As a preferred embodiment, a spring b2017 is provided on one side of the limit rod b2016, and a connecting block a2018 is provided on one side of the spring b2017. The connecting block a2018 is provided on the surface of the frame 201. Under the telescopic reset action of the spring b2017, the spring b2017 is used to drive the limit rod b2016 into the inner side of the limit groove b2015.

[0027] As a preferred embodiment, the shock absorbing mechanism 3 includes a telescopic rod b301, which is arranged below the frame 201. A sliding groove b302 is provided on the surface of the telescopic rod b301, a slider b303 is provided inside the sliding groove b302, a telescopic sleeve b304 is provided on the surface of the slider b303, and a spring c305 is provided inside the telescopic sleeve b304. Under the action of the telescopic rod b301 and the telescopic sleeve b304, the spring c305 can be prevented from shaking.

[0028] As a preferred embodiment, a shock-absorbing pad 306 is provided under the spring c305, a connecting rod 307 is provided under the shock-absorbing pad 306, a bearing 308 is provided under the connecting rod 307, a rotating shaft b309 is provided inside the bearing 308, and wheels 310 are provided on both sides of the rotating shaft b309. Under the telescopic and resetting action of the spring c305, the spring c305 can achieve a shock-absorbing effect on the frame 201.

[0029] As a preferred embodiment, the protective mechanism 4 includes a connecting block b401, which is arranged on one side of the carriage 1. A telescopic rod c402 is provided on one side of the connecting block b401. A sliding groove c403 is provided on the surface of the telescopic rod c402. A slider c404 is provided on the inside of the sliding groove c403. A telescopic sleeve c405 is provided on the surface of the slider c404. A limiting groove c406 is provided on the surface of the telescopic sleeve c405. Under the action of the telescopic sleeve c405 and the telescopic rod c402, the telescopic sleeve c405 can be extended, and then the telescopic sleeve c405 is used to enter the inside of the fixing port 411 to fix the protective plate 409.

[0030] As a preferred embodiment, a limiting rod c407 is provided on the inner side of the limiting groove c406, a spring d408 is provided on one side of the limiting rod c407, the spring d408 is provided on the surface of the telescopic rod c402, a protective plate 409 is provided on one side of the telescopic sleeve c405, a hinge 410 is provided below the protective plate 409, the hinge 410 is provided on the surface of the carriage 1, a fixing port 411 is provided on the surface of the protective plate 409, and a telescopic sleeve c405 is provided on the inner side of the fixing port 411. Under the action of the protective plate 409, the protective plate 409 can be used to protect the materials inside the carriage 1.

[0031] The working process of the present invention is as follows: When this device is used in the later stage, the switch of the cylinder 204 can be turned on first. Under the action of the cylinder 204, the height of one end of the carriage 1 can be adjusted by using the cylinder 204. Under the action of the pin head a202 and the pin shaft a203 and the pin head b206 and the pin shaft b207, the cylinder 204 can be made to move in an arc shape. At the same time, the surface of the telescopic sleeve a2053 is provided with limiting grooves a2054 at equal intervals, and the surface of the telescopic rod a205 is distributed with limiting rods a2055 and springs a2056 at equal intervals. Therefore, when the carriage 1 is unloaded, the height of one end of the carriage 1 can be adjusted to achieve uniform height. The effect of speed regulation can be achieved. At the same time, when the carriage 1 is adjusted, a rhythmic pause can be made to avoid the need to unload the goods on the three-wheeled motorcycle when the goods are transported to the required location. When unloading the goods on the three-wheeled motorcycle, it is easy for piles of goods to fall down at one time because it is difficult to unload the goods at a uniform speed. Under the influence of gravity, the three-wheeled motorcycle will overturn, which will cause a safety hazard to the driver. Then, when the height of one end of the carriage 1 is adjusted, the shaft a2012 is used to drive the other end of the carriage 1 to rotate, and the rotation of the shaft a2012 is adjusted. The material inside the carriage 1 can be unloaded conveniently. At the same time, under the action of the spring b2017, the spring b2017 drives the limit rod b2016 to enter the limit groove b2015 on the surface of the turntable 2014, and then cooperates with the telescopic sleeve a2053 and the telescopic rod a205 to effectively stop the carriage 1 when unloading, so as to prevent the material inside the carriage 1 from falling in piles at once and causing the carriage 1 to overturn. Secondly, under the action of the telescopic rod b301 and the telescopic sleeve b304, the spring c305 can be prevented from shaking. Under the telescopic reset action of the spring c305, the material inside the carriage 1 can be unloaded conveniently. The spring c305 can have a shock-absorbing effect on the frame 201. Finally, under the action of the telescopic sleeve c405 and the telescopic rod c402, the telescopic sleeve c405 can be extended, and then the telescopic sleeve c405 is used to enter the inside of the fixing port 411 to fix the protective plate 409. Under the action of the protective plate 409, the protective plate 409 can be used to protect the materials inside the car 1. In this way, the working principle and work flow of a freight-type three-wheeled motorcycle are completed, and the contents not described in detail in this manual belong to the existing technology known to professional and technical personnel in this field.

[0032] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which can be mechanical connection or electrical connection, or internal communication between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may change.

Claims

1. A freight-type moto three-wheeled motorcycle, comprising a carriage (1), characterized in that: An anti-rollover mechanism (2) is provided below the carriage (1), a shock-absorbing mechanism (3) is provided below the anti-rollover mechanism (2), and a protective mechanism (4) is provided on one side of the carriage (1); The anti-rollover mechanism (2) comprises a vehicle frame (201), the vehicle frame (201) being arranged below the vehicle compartment (1), a pin head a (202) being arranged on the upper surface of the vehicle frame (201), a pin shaft a (203) being arranged on the inner side of the pin head a (202), a cylinder (204) being arranged on one side of the pin shaft a (203), a telescopic rod a (205) being arranged above the cylinder (204), a telescopic sleeve a (2053) being sleeved on the outer side of the telescopic rod a (205), a pin head b (206) being arranged on one end of the telescopic sleeve a (2053), a pin head b (207) being arranged on the inner side of the pin head b (206), and a vehicle compartment (1) being arranged on one side of the pin head b (206).

2. The cargo moto three-wheeled motorcycle according to claim 1, characterized in that: A sliding groove a (2051) is provided on the surface of the telescopic rod a (205), a sliding block a (2052) is provided inside the sliding groove a (2051), and a telescopic sleeve a (2053) is provided on the surface of the sliding block a (2052).

3. The cargo moto three-wheeled motorcycle according to claim 2, characterized in that: A limiting groove a (2054) is provided on the surface of the telescopic sleeve a (2053), a limiting rod a (2055) is provided inside the limiting groove a (2054), a spring a (2056) is provided on one side of the limiting rod a (2055), and the spring a (2056) is provided on the surface of the telescopic rod a (205).

4. The cargo moto three-wheeled motorcycle according to claim 1, characterized in that: A threaded shaft a (2011) is provided below the carriage (1), a rotating shaft a (2012) is provided on one side of the threaded shaft a (2011), a threaded shaft b (2013) is provided on one side of the rotating shaft a (2012), and the threaded shaft b (2013) is provided on the surface of the vehicle frame (201).

5. The cargo moto three-wheeled motorcycle according to claim 4, characterized in that: A rotating disc (2014) is sleeved on the outer side of the rotating shaft a (2012), a limiting groove b (2015) is provided on the surface of the rotating disc (2014), and a limiting rod b (2016) is provided on the inner side of the limiting groove b (2015).

6. The cargo moto three-wheeled motorcycle according to claim 5, characterized in that: A spring b (2017) is provided on one side of the limiting rod b (2016), a connecting block a (2018) is provided on one side of the spring b (2017), and the connecting block a (2018) is provided on the surface of the vehicle frame (201).

7. The cargo moto three-wheeled motorcycle according to claim 1, characterized in that: The shock absorbing mechanism (3) comprises a telescopic rod b (301), the telescopic rod b (301) being arranged below the vehicle frame (201), a sliding groove b (302) being provided on the surface of the telescopic rod b (301), a slider b (303) being provided inside the sliding groove b (302), a telescopic sleeve b (304) being provided on the surface of the slider b (303), and a spring c (305) being provided inside the telescopic sleeve b (304).

8. The cargo moto three-wheeled motorcycle according to claim 7, characterized in that: A shock-absorbing pad (306) is provided below the spring c (305), a connecting rod (307) is provided below the shock-absorbing pad (306), a bearing (308) is provided below the connecting rod (307), a rotating shaft b (309) is provided inside the bearing (308), and wheels (310) are provided on both sides of the rotating shaft b (309).

9. The cargo moto three-wheeled motorcycle according to claim 1, characterized in that: The protection mechanism (4) comprises a connecting block b (401), the connecting block b (401) being arranged on one side of the carriage (1), a telescopic rod c (402) being arranged on one side of the connecting block b (401), a sliding groove c (403) being provided on the surface of the telescopic rod c (402), a slider c (404) being provided inside the sliding groove c (403), a telescopic sleeve c (405) being provided on the surface of the slider c (404), and a limiting groove c (406) being provided on the surface of the telescopic sleeve c (405).

10. The cargo moto three-wheeled motorcycle according to claim 9, characterized in that: A limiting rod c (407) is provided inside the limiting groove c (406), a spring d (408) is provided on one side of the limiting rod c (407), the spring d (408) is provided on the surface of the telescopic rod c (402), a protective plate (409) is provided on one side of the telescopic sleeve c (405), a hinge (410) is provided below the protective plate (409), the hinge (410) is provided on the surface of the carriage (1), a fixing opening (411) is provided on the surface of the protective plate (409), and the telescopic sleeve c (405) is provided inside the fixing opening (411).

Citation Information

Patent Citations

  • Camber beam-type right three-wheeled motorcycle

    CN101879926A