Electric scooter with buffering and damping structure

Abstract

The utility model discloses an electric scooter with a buffering and damping structure, and relates to the field of electric scooters, the electric scooter comprises a scooter framework assembly, a steering assembly and a seat supporting assembly, the scooter framework assembly comprises a bottom frame, a motor driving body is arranged on the inner wall of one side of the bottom frame, and the motor driving body is arranged on the inner wall of the other side of the bottom frame. Output shafts at the two ends of the motor driving body are fixedly connected with rear wheels through couplings, and the outer walls of the rear wheels are sleeved with damping rings. Through the arrangement of the rear wheels, the front wheels and the damping rings, impact caused by bumping of the road surface can be effectively absorbed, the buffering and damping effects are achieved, the spiral springs and the damping balance rods are arranged, the buffering and damping effects can be achieved, it is guaranteed that the scooter runs stably, excessive transverse shaking is avoided, and the comfort level of the scooter is improved; and a first positioning bolt and a second positioning bolt are arranged, so that the distance and the height of the handrail of the electric scooter can be adjusted, and the practicability of the electric scooter is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric scooters, in particular to an electric scooter with a buffer shock absorption structure. Background Technique

[0002] The electric scooter is upgraded on the basis of the traditional manual scooter by adding high-performance power drive devices, intelligent control devices, batteries and other components. It is a new generation of intelligent scooter that can drive the scooter to complete various functions such as forward, backward, turning, standing, lying flat, etc. by manually operating the intelligent controller.

[0003] For example, the electric scooter disclosed in the publication number CN108454753A includes: a base, a wheel body, a driver's seat board, a motor, a sensor, a connecting mechanism, a control member and a controller; the wheel body is connected to the base; the motor is connected to the wheel body; the control member is connected to the driver's seat board; the controller is electrically connected to the sensor and the motor respectively; the driver's seat board is connected to the base through the connecting mechanism, and the driver's seat board can rotate relative to the base within a predetermined range around the axis between the driver's seat board and the base through the connecting mechanism; when the control member is operated, it can pull the driver's seat board to rotate relative to the base; the sensor measures the pose of the driver's seat board relative to the base and sends the measured pose information to the controller; the controller outputs a torque control instruction to the motor based on the pose information; the motor outputs a driving force to the wheel body based on the torque control instruction to drive the wheel body to rotate around the axis of the wheel body. The driving force is provided for the scooter by the motor, which greatly saves physical strength. However, when this electric scooter is in use, there are still other deficiencies. First of all, the electric scooter is not equipped with a shock absorption structure. When driving on a bumpy road section, it will bring bumps to the people sitting on the electric scooter, unable to effectively ensure the smooth driving of the electric scooter, reducing the comfort of the electric scooter. And the distance and height of the armrests of the electric scooter are fixed, thus limiting the practicality of the electric scooter. Therefore, when using this device, there are still certain deficiencies. Content of the Utility Model

[0004] The purpose of the utility model is to provide an electric scooter with a buffer shock absorption structure to solve the problems raised in the above background technique. At present, when the electric scooter on the market is in use, the electric scooter is not equipped with a shock absorption structure. When driving on a bumpy road section, it will bring bumps to the people sitting on the electric scooter, unable to effectively ensure the smooth driving of the electric scooter, reducing the comfort of the electric scooter. And the distance and height of the armrests of the electric scooter are fixed, thus limiting the practicality of the electric scooter.

[0005] To achieve the above object, the present utility model provides the following technical solutions: An electric scooter with a buffer and shock absorption structure, including a scooter frame assembly, a steering assembly, and a seat support assembly. The scooter frame assembly includes a chassis. An inner wall of one side of the chassis is provided with a motor drive body. Output shafts at both ends of the motor drive body are fixedly connected with rear wheels through couplings. A shock absorption ring is sleeved on an outer wall of the rear wheels;

[0006] A fixed sleeve is sleeved on an outer wall of the bottom of the steering assembly. A main beam is fixedly installed on one side of the fixed sleeve. Swing arm assemblies are fixedly installed at bottoms of both sides of the main beam. A front wheel is arranged on the other side of the swing arm assemblies. A first fastening bolt penetrates through an inner wall of the swing arm assemblies. A shock absorption balance rod is sleeved at the bottom of the first fastening bolt. A second fastening bolt penetrates through an inner wall of one side of the shock absorption balance rod and its top end passes through the fixed sleeve. Support plates are fixedly installed at front and rear sides of the chassis. An auxiliary wheel is arranged on a front surface of the support plates;

[0007] Hinge shaft seats are fixedly installed at tops of both sides of the scooter frame assembly. The hinge shaft seats are connected through a fixed shaft with support legs arranged at a bottom of the seat support assembly. The seat support assembly includes a seat cushion.

[0008] Further, bearing seats are fixedly installed at bottoms of both sides of the chassis. Fixed ring rods are connected and installed inside both sides of the chassis. A spiral spring is sleeved at the bottom of the bearing seat and the other end is sleeved on the fixed ring rod.

[0009] Further, a support sleeve rod is fixedly installed on one side of the seat cushion. First extension rods are movably connected inside front and rear ends of the support sleeve rod. Two first positioning bolts penetrate through the support sleeve rod and their ends are inserted into the first extension rods. An installation seat is fixedly installed on a front surface of the first extension rod. A second extension plate is movably connected inside an inner wall of the installation seat. A second positioning bolt penetrates through the front surface of the installation seat and its end is inserted into the second extension plate. An armrest is fixedly connected to a top of the installation seat.

[0010] Further, shock absorption rings are sleeved outside both the rear wheels and the front wheels. The shock absorption rings are made of rubber material.

[0011] Further, both ends of the shock absorption balance rod are fixedly connected with the fixed sleeve and the swing arm assemblies through the first fastening bolt and the second fastening bolt.

[0012] Further, the first positioning bolt is detachably connected with the support sleeve rod and the first extension rod. A plurality of first threaded holes are formed inside the first extension rod.

[0013] Furthermore, the second positioning bolt is detachably connected between the mounting seat and the second extension plate, and a plurality of second threaded holes are formed inside the second extension plate.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] The electric scooter provided with a buffer and shock absorption structure can effectively absorb the impact brought by road bumps through the arrangement of rear wheels, front wheels and shock absorption rings, having a buffer and shock absorption effect. And the spiral spring and shock absorption balance bar are arranged, which can achieve the buffer and shock absorption effect, ensure the smooth running of the scooter, avoid excessive lateral shaking, improve the comfort of the scooter. Moreover, the first positioning bolt and the second positioning bolt are arranged, which can adjust the distance and height of the armrest of the electric scooter, improving the practicability of the electric scooter. The specific content is as follows:

[0016] 1. Rear wheels, front wheels and shock absorption rings are arranged. By installing shock absorption rings on the outside of each rear wheel and front wheel, and the shock absorption rings are made of rubber material, having good elasticity and damping effect, which can effectively absorb the impact brought by road bumps, having a buffer and shock absorption effect, thereby improving the smoothness and comfort of the electric scooter during driving;

[0017] Furthermore, a spiral spring and a shock absorption balance bar are arranged. The function of setting the spiral spring is to bear the vertical load in the suspension, which can absorb and disperse the impact and vibration generated during the driving of the scooter, making the electric scooter keep the tire in contact with the ground when passing through an uneven road surface. At the same time, through the mutual cooperation of the shock absorption balance bar and the spiral spring, the shock absorption balance bar is composed of aluminum alloy and shock absorption spring, which can enhance the rigidity of the scooter, reduce the deformation of the scooter, and inhibit the roll amplitude of the scooter, thereby achieving the buffer and shock absorption effect, ensuring the smooth running of the scooter, avoiding excessive lateral shaking, and improving the comfort of the scooter;

[0018] Furthermore, auxiliary wheels are arranged. The auxiliary wheels connected by each support plate roll, which are used for supporting and maintaining balance, and can prevent the electric scooter from tipping over on an uphill section;

[0019] 2. The first positioning bolt is arranged. By manually screwing out each first positioning bolt, pulling each armrest outward or inward, so that each armrest drives the first extension rod connected to the mounting seat to move outward or inward in the support sleeve rod. Thus, after moving the armrest to an appropriate distance, manually pass each first positioning bolt through the support sleeve rod and insert it into the first extension rod, which is convenient for adjusting the distance of the armrest;

[0020] Further, a second positioning bolt is provided. By manually pulling out the second positioning bolt from the mounting seat, the second extension plate connected to each armrest is moved upward or downward in the corresponding mounting seat. After adjusting the height of the armrest to a suitable position, the second positioning bolts are manually inserted through the mounting seat into the corresponding second extension plates to fix the second extension plates in the mounting seats, facilitating the adjustment of the height of the armrests. Brief Description of the Drawings

[0021] Figure 1 is a front view structural schematic diagram of the present utility model;

[0022] Figure 2 is a rear view structural schematic diagram of the present utility model;

[0023] Figure 3 is a partial structural schematic diagram of the steering assembly and the front wheels of the present utility model;

[0024] Figure 4 is a partial side view structural schematic diagram of the chassis and the front wheels of the present utility model;

[0025] Figure 5 is a partial rear view structural schematic diagram of the chassis and the rear wheels of the present utility model;

[0026] Figure 6 is a partial structural schematic diagram of the seat support assembly of the present utility model;

[0027] Figure 7 is a partial structural schematic diagram of the support sleeve rod and the armrest of the present utility model.

[0028] In the figures: 1, mobility scooter frame assembly; 2, steering assembly; 3, seat support assembly; 4, chassis; 5, motor drive body; 6, rear wheels; 7, shock-absorbing ring; 8, support plate; 9, auxiliary wheel; 10, supporting seat; 11, fixed ring rod; 12, helical spring; 13, hinge shaft seat; 14, main beam; 15, fixed sleeve; 16, front wheels; 17, first fastening bolt; 18, second fastening bolt; 19, shock-absorbing balance rod; 20, swing arm assembly; 21, seat cushion; 22, support sleeve rod; 23, first extension rod; 24, first positioning bolt; 25, mounting seat; 26, second extension plate; 27, second positioning bolt; 28, armrest. Detailed Description of the Preferred Embodiments

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] Please refer to Figures 1 - 7 , the present utility model provides the following technical solutions:

[0031] Embodiment 1: To solve the problems that when an electric scooter on the market is in use, first, the electric scooter is not provided with a shock absorption structure. When driving on a bumpy road section, it will cause bumps to the people riding the electric scooter, thus unable to effectively ensure the smooth driving of the scooter, reducing the comfort of the scooter, and the distance and height of the armrest of the electric scooter are fixed, thus limiting the practicality of the electric scooter. Refer to the attached Figure 1 - attached Figure 5, including a mobility scooter frame assembly 1, a steering assembly 2 and a seat support assembly 3. The mobility scooter frame assembly 1 includes a chassis 4. An inner wall of one side of the chassis 4 is provided with a motor drive body 5. Output shafts at both ends of the motor drive body 5 are fixedly connected with rear wheels 6 through couplings. A shock-absorbing ring 7 is sleeved on an outer wall of the rear wheels 6. Support plates 8 are fixedly installed on front and rear sides of the chassis 4. An auxiliary wheel 9 is arranged on a front surface of the support plate 8; A fixed sleeve 15 is sleeved on an outer wall of a bottom of the steering assembly 2. A main beam 14 is fixedly installed on one side of the fixed sleeve 15. Swing arm assemblies 20 are fixedly installed at bottoms of both sides of the main beam 14. A front wheel 16 is arranged on the other side of the swing arm assembly 20. A first fastening bolt 17 penetrates through an inner wall of the swing arm assembly 20. A shock-absorbing balance rod 19 is sleeved at a bottom of the first fastening bolt 17. A second fastening bolt 18 penetrates through an inner wall of one side of the shock-absorbing balance rod 19 and its top end passes through the fixed sleeve 15; Support seats 10 are fixedly installed at bottoms of both sides of the chassis 4. Fixed ring rods 11 are connected and installed inside both sides of the chassis 4. A spiral spring 12 is sleeved at a bottom of the support seat 10 and the other end is sleeved on the fixed ring rod 11. Shock-absorbing rings 7 are sleeved on exteriors of both the rear wheels 6 and the front wheels 16. The shock-absorbing rings 7 are made of rubber material. Both ends of the shock-absorbing balance rod 19 are fixedly connected with the fixed sleeve 15 and the swing arm assembly 20 through the first fastening bolt 17 and the second fastening bolt 18. By installing shock-absorbing rings 7 on exteriors of the rear wheels 6 and the front wheels 16 and setting the shock-absorbing rings 7 to be made of rubber material, which has good elasticity and damping effect, it can effectively absorb the impact brought by road surface bumps, improve the smoothness and comfort of the electric mobility scooter during driving. Cooperating with the spiral springs 12 hung on the support seats 10 and the fixed ring rods 11, the function of setting the spiral springs 12 is to bear vertical loads in the suspension, be able to absorb and disperse the impact and vibration generated during the driving of the mobility scooter, keep the tire in contact with the ground when the electric mobility scooter passes through an uneven road surface. At the same time, through the mutual cooperation of the shock-absorbing balance rod 19 and the spiral spring 12, setting the shock-absorbing balance rod 19 to be composed of aluminum alloy and shock-absorbing springs can enhance the rigidity of the mobility scooter, reduce the deformation of the mobility scooter, and inhibit the roll amplitude of the mobility scooter, so as to achieve the effect of buffering and shock absorption, ensure the smooth driving of the mobility scooter, avoid excessive lateral shaking, improve the comfort of the mobility scooter. The auxiliary wheels 9 connected by the support plates 8 roll to support and maintain balance, and can prevent the electric mobility scooter from tipping over when going uphill.

[0032] Embodiment 2: The distance and height of the armrest 28 can be adjusted. For reference, please refer to the attached Figure 1 - attached Figure 2 and attached Figure 6 - attached Figure 7, hinge shaft seats 13 are fixedly installed at the tops on both sides of the walking aid frame assembly 1. The hinge shaft seats 13 are connected by a fixed shaft to the support legs provided at the bottom of the seat support assembly 3. The seat support assembly 3 includes a seat cushion 21. A support sleeve rod 22 is fixedly installed on one side of the seat cushion 21. The front and rear ends of the support sleeve rod 22 are movably connected to a first extension rod 23 inside. Two first positioning bolts 24 penetrate through the inside of the support sleeve rod 22 and the ends are inserted into the first extension rod 23. A mounting seat 25 is fixedly installed on the front of the first extension rod 23. The inner wall of the mounting seat 25 is movably connected to a second extension plate 26. A second positioning bolt 27 penetrates through the front of the mounting seat 25 and the end is inserted into the second extension plate 26. An armrest 28 is fixedly connected to the top of the mounting seat 25. The first positioning bolt 24 is detachably connected between the support sleeve rod 22 and the first extension rod 23. A number of first threaded holes are provided inside the first extension rod 23. The second positioning bolt 27 is detachably connected between the mounting seat 25 and the second extension plate 26. A number of second threaded holes are provided inside the second extension plate 26. By manually screwing out each first positioning bolt 24, and then pulling the armrests 28 outwards or inwards, the first extension rods 23 connected to the mounting seats 25 driven by the armrests 28 are moved outwards or inwards inside the support sleeve rod 22. Thus, after moving the armrests 28 to an appropriate distance, manually insert each first positioning bolt 24 through the support sleeve rod 22 into the first extension rod 23, which is convenient for adjusting the distance of the armrests 28. Then, manually pull out the second positioning bolts 27 from the mounting seats 25, and move the second extension plates 26 connected to the armrests 28 upwards or downwards inside the corresponding mounting seats 25. Thus, after adjusting the armrests 28 to an appropriate height, manually insert each second positioning bolt 27 through the mounting seat 25 into the corresponding second extension plate 26, so that the second extension plate 26 is fixed in the mounting seat 25, which is convenient for adjusting the height of the armrests 28.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An electric scooter with a buffering and shock absorbing structure, comprising a scooter frame assembly (1), a steering assembly (2) and a seat support assembly (3), the scooter frame assembly (1) comprising a chassis (4), an inner wall of one side of the chassis (4) being provided with a motor drive body (5), output shafts at both ends of the motor drive body (5) being fixedly connected to rear wheels (6) via couplings, shock absorbing rings (7) being sleeved on the outer walls of the rear wheels (6), support plates (8) being fixedly mounted on the front and rear sides of the chassis (4), and auxiliary wheels (9) being provided on the front side of the support plates (8); Features: The outer wall of the bottom of the steering assembly (2) is sleeved with a fixing sleeve (15), a main beam (14) is fixedly mounted on one side of the fixing sleeve (15), swing arm assemblies (20) are fixedly mounted on the bottom of both sides of the main beam (14), a front wheel (16) is arranged on the other side of the swing arm assembly (20), a first fastening bolt (17) passes through the inner wall of the swing arm assembly (20), a shock absorbing balance bar (19) is sleeved on the bottom of the first fastening bolt (17), a second fastening bolt (18) passes through the inner wall of one side of the shock absorbing balance bar (19), and the top end thereof passes through the fixing sleeve (15); Articulated shaft seats (13) are fixedly installed at the tops of both sides of the scooter frame assembly (1); the articulated shaft seats (13) are connected to support legs arranged at the bottom of a seat support assembly (3) via a fixed shaft; the seat support assembly (3) comprises a seat cushion (21).

2. The electric scooter with a buffer and shock absorbing structure according to claim 1, characterized in that: Support seats (10) are fixedly installed at the bottom of both sides of the base frame (4), and fixed ring rods (11) are connected and installed inside the two sides of the base frame (4). The bottom of the support seat (10) is sleeved with a coil spring (12) and the other end is sleeved with the fixed ring rod (11).

3. The electric scooter with a buffer and shock absorbing structure according to claim 1, characterized in that: A support sleeve rod (22) is fixedly installed on one side of the seat cushion (21); a first extension rod (23) is movably connected to the interior of the front and rear ends of the support sleeve rod (22); two first positioning bolts (24) are passed through the interior of the support sleeve rod (22) and the ends are inserted into the first extension rod (23); a mounting seat (25) is fixedly installed on the front side of the first extension rod (23); a second extension plate (26) is movably connected to the inner wall of the mounting seat (25); a second positioning bolt (27) is passed through the front side of the mounting seat (25) and the ends are inserted into the second extension plate (26); and an armrest (28) is fixedly connected to the top of the mounting seat (25).

4. The electric scooter with a buffer and shock absorbing structure according to claim 1, characterized in that: The rear wheel (6) and the front wheel (16) are both sleeved with a shock absorbing ring (7) on their exteriors, and the shock absorbing ring (7) is made of rubber material.

5. The electric scooter with a buffer and shock absorbing structure according to claim 2, characterized in that: The two ends of the shock-absorbing balance rod (19) are fixedly connected to the fixing sleeve (15) and the swing arm assembly (20) via a first fastening bolt (17) and a second fastening bolt (18).

6. The electric scooter with a buffer and shock absorbing structure according to claim 3, characterized in that: The first positioning bolt (24) is detachably connected to the support sleeve rod (22) and the first extension rod (23), and a plurality of first threaded holes are formed inside the first extension rod (23).

7. The electric scooter with a buffer and shock absorbing structure according to claim 3, characterized in that: The second positioning bolt (27) is detachably connected to the mounting seat (25) and the second extension plate (26), and a plurality of second threaded holes are formed inside the second extension plate (26).

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