Rear damping system of scooter

Abstract

The utility model relates to the technical field of scooters, in particular to a rear damping system of a scooter, which comprises a frame used for supporting the integral structure of the scooter. The rear wheel assembly has the advantages that the auxiliary wheels are installed at the tail end of the rear wheel assembly frame, additional supporting points are provided, the auxiliary wheels and the rear wheels act together to form a multi-point supporting structure, the stability of a vehicle during low-speed running or parking is remarkably improved, particularly on an uneven road surface, the auxiliary wheels can prevent the vehicle from inclining, the safety of a user is guaranteed, and the safety of the vehicle is improved. The auxiliary wheels can provide additional support in a parking or static state to prevent the vehicle from inclining due to uneven ground, so that the overall stability is improved, and the auxiliary wheels can share part of load of the rear wheels and reduce the pressure of the rear wheels, so that vibration transmission on a single supporting point can be reduced, a damping system is more effective, and the service life of the vehicle is prolonged. When the vehicle runs on an uneven road surface, the auxiliary wheels can help to distribute the weight of the vehicle body more uniformly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of scooters, in particular to a rear shock absorption system of a scooter. BACKGROUND

[0002] With the intensification of population aging, scooters have become an important auxiliary tool for many people with limited mobility. These scooters not only improve the mobility of users, but also enhance their life independence and comfort, however, the rear shock absorption system of traditional scooters usually adopts simple springs or shock absorbers, and the shock absorption effect is limited, which cannot effectively absorb the vibration during driving, especially on uneven road surfaces, which will cause the passengers to feel uncomfortable, especially when using for a long time, the rear wheel support of traditional scooters is designed simply, without providing additional support points, when the vehicle drives or parks on uneven road surfaces, relying solely on rear wheel support may not meet the user's demand for stability.

[0003] To this end, the present application proposes a rear shock absorption system of a scooter to solve the above problems. SUMMARY

[0004] The purpose of the present application is to solve at least one of the above technical defects.

[0005] To this end, one purpose of the present application is to propose a rear shock absorption system of a scooter to solve the problems mentioned in the background and overcome the deficiencies in the prior art.

[0006] In order to achieve the above purpose, the embodiments of one aspect of the present application provide a rear shock absorption system of a scooter, comprising: a frame for supporting the overall structure of the scooter, a seat support being installed on the frame; a rear support for installing a rear wheel assembly, comprising: a main support, the bottom of which is installed at the tail of the frame through a fixing frame, and the top of which is connected to the seat support through a cross beam; a support frame installed on the main support; a bottom frame rotatably arranged on the main support; a rear wheel group frame installed on the bottom frame, the rear wheel group frame being used for installing a rear wheel assembly; a shock absorption assembly arranged between the support frame and the bottom frame, for absorbing and reducing vibration during driving, comprising a shock absorber, a shock absorbing spring being sleeved on the shock absorber, for absorbing vibration; an auxiliary wheel rotatably arranged at the tail end of the rear wheel group frame, for reducing the burden of the shock absorption assembly.

[0007] Preferably, the shock absorber comprises: a working rod filled with shock absorbing oil, a thread being formed on the outer wall of the working rod; a piston rod being slidably arranged in the working rod.

[0008] Preferably, the damping assembly further comprises: a first connecting plate, which is installed at one end of the working rod; a second connecting plate, which is slidingly arranged on the working rod; an upper support, which is installed at one end of the working rod and is rotatably arranged on the support frame; a lower support, which is installed at one end of the first connecting plate and is rotatably arranged on the base frame; and an adjusting block, which is provided with a threaded hole on the upper portion and is threadedly arranged on the working rod, the bottom of the adjusting block abuts against one end of the second connecting block, and the adjusting block is provided with a plurality of key grooves.

[0009] Preferably, one end of the damping spring is connected to the first connecting plate, and the other end is connected to the second connecting plate.

[0010] Preferably, the tail end of the rear wheel group frame is arc-shaped, and a handle is installed on the rear wheel group frame.

[0011] Preferably, the tire of the auxiliary wheel is made of high wear-resistant material to improve the service life and grip.

[0012] Compared with the prior art, the application has the following advantages and beneficial effects:

[0013] 1. By installing an auxiliary wheel at the tail end of the rear wheel group frame, an additional support point is provided, the auxiliary wheel and the rear wheel jointly form a multi-point support structure, which significantly improves the stability of the vehicle when driving at low speed or parking, especially on uneven road surfaces, the auxiliary wheel can prevent the vehicle from tilting and ensure the safety of the user, the auxiliary wheel can provide additional support in the parking or stationary state to prevent the vehicle from tilting due to uneven ground, thereby improving the overall stability, the auxiliary wheel can share part of the load of the rear wheel to reduce the pressure on the rear wheel, which can reduce the vibration transmission on a single support point and make the damping system more effective, when the vehicle is driving on uneven road surfaces, the auxiliary wheel can help to more evenly distribute the vehicle weight and reduce the impact on the rear wheel, thereby improving the overall damping effect.

[0014] 2. By designing the adjusting block, the user can adjust the damping hardness according to different road conditions and personal needs to adapt to different driving conditions and improve the riding comfort.

[0015] Additional aspects and advantages of the application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the application will become apparent and be readily appreciated from the following description, including the appended drawings, wherein:

[0017] Figure 1 Figure 1 is a schematic view of a scooter according to an embodiment of the present application;

[0018] Figure 2 Figure 2 is a schematic view of a frame according to an embodiment of the present application;

[0019] Figure 3 Figure 3 is a schematic view of a partial view according to an embodiment of the present application;

[0020] Figure 4 Figure 4 is a schematic view of a shock absorbing assembly installation according to an embodiment of the present application;

[0021] Figure 5 Figure 5 is a schematic view of a rear support according to an embodiment of the present application;

[0022] Figure 6 Figure 6 is a schematic view of a shock absorbing assembly according to an embodiment of the present application.

[0023] In the figure: 1, frame, 2, seat support, 3, rear support, 301, main support, 302, support frame, 303, bottom frame, 304, rear wheel group frame, 305, handle, 4, shock absorbing assembly, 401, shock absorbing spring, 402, working rod, 403, piston rod, 404, first connecting plate, 405, second connecting plate, 406, upper support, 407, lower support, 408, adjusting block, 5 auxiliary wheel, 6, rear wheel assembly. DETAILED DESCRIPTION

[0024] As shown in Figures 1 to 6 Figure 1, a rear shock absorbing system of a scooter, comprising a frame 1, a seat support 2, a rear support 3, a shock absorbing assembly 4 and an auxiliary wheel 5.

[0025] Further, the frame 1 is used to support the overall structure of the scooter.

[0026] Further, the seat support 2 is installed on the frame 1, the seat support 2 is used to install a seat, and a reinforcing rib connecting the two components is further installed between the seat support 2 and the frame 1, the reinforcing rib is used to increase the support and fixing force of the seat support 2, so that the seat support 2 is more stable.

[0027] Further, the rear support 3 is used to support the rear wheel assembly 6, comprising:

[0028] The main support 301 is installed at the tail of the frame 1 through a fixing frame at the bottom, and is connected with the seat support 2 through a cross beam at the top, and a reinforcing plate and a reinforcing rod are further provided on the main support 301 to increase the strength of the main support 301;

[0029] The support frame 302 is installed on the main support 301;

[0030] The bottom frame 303 is rotatably arranged on the main frame 301.

[0031] The rear wheel group frame 304 is installed on the bottom frame 303, and the rear wheel group frame 304 is used to install the rear wheel assembly 6.

[0032] The tail end of the rear wheel group frame 304 is arc-shaped.

[0033] The rear wheel group frame 304 is provided with a handle 305, which facilitates lifting of the rear wheel assembly 6 for maintenance.

[0034] Specifically, the rear wheel assembly 6 includes an output motor, a reduction box, and a rear wheel.

[0035] The rear wheel is installed on the reduction box through a shaft rod, the output shaft of the output motor is installed on the transmission shaft of the reduction box, and the output motor provides driving force for the rear wheel.

[0036] Further, in order to absorb the vibration generated during the travel, a damping assembly 4 is provided, and the damping assembly 4 includes:

[0037] The damping assembly 4 has two groups, which are symmetrically distributed, and the following components are components included in a single damping assembly 4.

[0038] A shock absorber, on which a damping spring 401 is sleeved, is used to absorb vibration.

[0039] The shock absorber includes:

[0040] A working rod 402, which is filled with damping oil, is provided with threads on the outer wall of the working rod 402.

[0041] A piston rod 403 is slidably arranged in the working rod 402.

[0042] Further, the damping assembly 4 further includes:

[0043] A first connecting plate 404 is installed on one end of the working rod 402.

[0044] A second connecting plate 405 is slidably arranged on the working rod 402.

[0045] An upper support 406 is installed on one end of the working rod 402, and the upper support 406 is rotatably arranged on the support frame 302, and the number of support frames 302 corresponding to the upper support 406 is also two.

[0046] A lower support 407 is installed on one end of the first connecting plate 404, and the lower support 407 is rotatably arranged on the bottom frame 303, and the number of bottom frames 303 corresponding to the lower support 407 is also two.

[0047] An adjusting block 408 is provided on the working rod 402, and a threaded hole is formed on the adjusting block 408 and matched with a thread on the working rod 402. The adjusting block 408 is screwed on the working rod 402 through the threaded hole. The bottom of the adjusting block 408 is abutted against one end of the second connecting block. A plurality of key grooves are formed on the adjusting block 408, and the key grooves are I-shaped. In this way, the adjusting block 408 can be adjusted by using a tool (such as a flat screwdriver, a long strip-shaped plate, a crowbar or a flat tool, and various tools can be used, even a flat waste plate can be used, and the adjustment is more flexible).

[0048] One end of the damping spring 401 is connected to the first connecting plate 404, and the other end is connected to the second connecting plate 405.

[0049] Specifically, the adjusting block 408 is used to adjust the compression degree of the spring, and then adjust the softness and hardness of the damping to match different degrees of damping.

[0050] The specific adjustment is as follows:

[0051] The adjusting block 408 is driven to rotate by using a tool, and then the position of the adjusting block 408 on the working rod 402 is changed, so as to drive the second connecting plate 405 to move. The direction of the adjusting block 408 is controlled according to the direction of the driving force of the adjusting block 408, and then the compression or expansion of the damping spring 401 is controlled, so as to adjust the softness and hardness of the damping.

[0052] Further, the auxiliary wheel 5 is rotatably arranged at the tail end of the rear wheel set frame 304, and is used to reduce the burden of the damping assembly 4.

[0053] The tire of the auxiliary wheel 5 is made of high wear-resistant material, so as to improve the service life and the grip.

Claims

1. A rear shock absorption system for a mobility scooter, characterized by: include: A frame, the frame being used to support the overall structure of the scooter, and a seat bracket being mounted on the frame; Rear bracket, for mounting the rear wheel assembly, including: A main bracket, the bottom of which is mounted on the rear of the frame via a fixing bracket, and the top of which is connected to the seat bracket via a crossbeam; A support frame, mounted on the main support; A base frame, rotatably mounted on the main support; A rear wheel frame is mounted on the chassis, and is used to mount the rear wheel assembly; A shock absorbing assembly is provided between the support frame and the base frame, and is used to absorb and reduce vibrations during driving, and includes a shock absorber on which a shock absorbing spring is provided for absorbing vibrations; The auxiliary wheel is rotatably arranged at the tail end of the rear wheel assembly frame and is used to reduce the burden of the shock absorbing component.

2. The rear shock absorption system of a mobility scooter according to claim 1, characterized in that: The shock absorber comprises: The working rod is filled with shock-absorbing oil and has a thread on its outer wall: The piston rod is slidably arranged in the working rod through the piston.

3. The rear shock absorption system of a mobility scooter according to claim 2, characterized in that: The shock absorbing assembly further comprises: A first connecting plate, mounted with one end of the working rod; a second connecting plate, slidably disposed on the working rod; An upper support is mounted on one end of the working rod, and the upper support is rotatably mounted on the support frame; A lower support is mounted on one end of the first connecting plate, and the lower support is rotatably mounted on the base frame; The adjusting block is provided with a threaded hole that matches the thread on the working rod. The adjusting block is threadedly arranged on the working rod through the threaded hole. The bottom of the adjusting block abuts against one end of the second connecting plate. The adjusting block is provided with a plurality of key slots.

4. The rear shock absorption system of a mobility scooter according to claim 3, characterized in that: One end of the shock-absorbing spring is connected to the first connecting plate, and the other end is connected to the second connecting plate.

5. The rear shock absorption system of a mobility scooter according to claim 1, characterized in that: The tail end of the rear wheel frame is arc-shaped; A handle is installed on the rear wheel assembly frame.

6. The rear shock absorption system of a mobility scooter according to claim 1, characterized in that: The tires of the auxiliary wheels are made of highly wear-resistant materials to increase service life and grip.

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