Intelligent adjustable damping scooter

By using air pressure adjustment components and pressure sensors on the scooter, the flexible adjustment of the soft and hard and chassis height of the scooter shock absorber is achieved, solving the problems of poor handling and low comfort of the existing electric scooter. Improves the comfort and safety of riding.

CN119160320APending Publication Date: 2024-12-20SHENZHEN MAXIM SPORTS TECH CO LTD
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Patent Information

Application Number
CN202411522223.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2024-12-20

AI Technical Summary

Technical Problem

The shock absorbers of existing electric scooters are fixedly connected to the chassis during production and assembly, making it difficult to adjust the height of the chassis and the softness and hardness of the shock absorbers during use, resulting in large driving resistance, poor handling and poor comfort, especially when encountering It is easy to overturn when there is a big pit.

Method used

An intelligent adjustable shock-absorbing scooter is designed, using air pressure adjustment components to cooperate with the shock absorber, adjusting the support distance of the shock absorber through threaded connection and rotating the main cylinder, and quickly detecting with pressure sensors and controllers. The user's weight automatically adjusts the soft and hardness of the shock absorber to achieve flexible adjustment of the chassis height.

Benefits of technology

It improves the comfort and flexibility of riding, and can quickly adjust the soft and hard and chassis height of the shock absorber according to different situations, enhancing the handling and safety of the scooter.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides an intelligent adjustable damping scooter which comprises a chassis, a connecting arm and a rear supporting frame are fixedly welded to the front end and the rear end of the chassis respectively, a barrel is fixedly installed at one end of the connecting arm, a steering shaft is rotatably connected to the barrel, a front supporting frame is fixedly connected to the bottom end of the steering shaft, and a front fork is hinged to one end of the front supporting frame. A front fork is hinged to one end of the front supporting frame, a rear fork is hinged to one end of the rear supporting frame, shock absorbers are rotationally installed between the front supporting frame and the front fork and between the rear supporting frame and the rear fork, each shock absorber comprises a main cylinder, threads are arranged on the outer side of each main cylinder, each main cylinder is connected with a fixing ring through the threads, and fixing shafts used for being rotationally connected with the front fork and the rear fork are symmetrically installed on the two sides of each fixing ring; a mounting cavity is formed in the chassis, and an air pressure adjusting assembly is mounted in the mounting cavity and connected with the shock absorber. Through cooperative use of the air pressure adjusting assembly and the shock absorber, the hardness and the supporting distance of the shock absorber can be rapidly adjusted during use.
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Description

Technical Field

[0001] The invention belongs to the technical field of scooters, and more specifically, particularly relates to an intelligent scooter with adjustable shock absorption. Background Art

[0002] Electric scooters can be used as a sports equipment for people's leisure and entertainment, and can also be used as a means of transportation to solve the problem of people's travel inconvenience. Therefore, they are widely loved by people and are becoming more and more widely used.

[0003] Existing electric scooters are usually equipped with shock absorbers at their front and rear wheels to improve the ride smoothness during driving. Usually, the chassis height of a vehicle with fixed suspension shock absorption is always consistent. A high chassis means strong passability, but it brings greater resistance and poor control when driving at high speeds. A low chassis saves power but has poor comfort and poor passability. If it encounters a big pothole, it will roll over. The shock absorbers of existing electric scooters are usually connected to the chassis during production and assembly. When users use it, it is difficult to adjust the chassis height and the hardness of the shock absorbers, which has certain limitations when used. Therefore, in view of this, research and improvement are made on the existing structure and deficiencies, and a scooter with intelligent adjustable shock absorption is provided, in order to achieve a more practical purpose. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides an intelligent and adjustable shock-absorbing scooter, which is achieved by the following specific technical means: A smart adjustable shock-absorbing scooter comprises a chassis, wherein a connecting arm and a rear support frame are respectively fixedly welded at the front and rear ends of the chassis, a cylinder is fixedly installed at one end of the connecting arm, a steering shaft is rotatably connected to the cylinder, a front support frame is fixedly connected to the bottom end of the steering shaft, a front fork is hinged at one end of the front support frame, a rear fork is hinged at one end of the rear support frame, a shock absorber is rotatably installed between the front support frame and the front fork and between the rear support frame and the rear fork, and the shock absorber comprises a main cylinder, a screw is arranged on the outer side of the main cylinder The main cylinder body has a plurality of grooves, and is connected with a fixing ring by threads, and fixed shafts for rotationally connecting with the front fork and the rear fork are symmetrically installed on both sides of the fixing ring; a shock-absorbing rod is installed on the top of the main cylinder body, and the bottom end of the shock-absorbing rod is connected with a piston slidingly connected with the inner wall of the main cylinder body; the bottom end of the main cylinder body is connected with a base, and one side of the base and one side of the top end of the shock-absorbing rod are respectively installed with air nozzle 1 and air nozzle 2; an installation chamber is arranged inside the chassis, and an air pressure regulating assembly is installed inside the installation chamber, and the air pressure regulating assembly is connected with the shock absorber.

[0005] Furthermore, a secondary air chamber is arranged inside the shock absorber rod, a main air chamber is arranged inside the main cylinder, and the secondary air chamber and the main air chamber are separated by a piston.

[0006] Furthermore, an explosion-proof air chamber is arranged at the top of the base, and the explosion-proof air chamber is communicated with the main air chamber; the air nozzle 1 and the air nozzle 2 are communicated with the explosion-proof air chamber and the auxiliary air chamber respectively.

[0007] Furthermore, the air pressure regulating assembly includes an air tank and an air pump fixedly installed in the chassis, and the air pump is connected to the air tank through a pipeline; the output end of the air tank is connected to a tee, and the other two ends of the tee are respectively connected to pressure control valve one and pressure control valve two.

[0008] Furthermore, pressure control valve 1 is connected to two groups of control pipelines 1, and the two groups of control pipelines 1 are respectively connected to on-off valve 1 and on-off valve 2, and the other ends of on-off valve 1 and on-off valve 2 are connected to the main air chamber air pipe; pressure control valve 2 is connected to two groups of control pipelines 2, and the two groups of control pipelines 2 are respectively connected to on-off valve 3 and on-off valve 4, and the other ends of on-off valve 3 and on-off valve 4 are connected to the auxiliary air chamber air pipe.

[0009] Furthermore, the air pipe of the main air chamber is connected to the first air nozzle, and the air pipe of the auxiliary air chamber is connected to the second air nozzle.

[0010] Furthermore, the air pressure regulating component also includes a controller, which is electrically connected to pressure control valve 1, pressure control valve 2, on-off valve 1, on-off valve 2, on-off valve 3, on-off valve 4 and the air pump through wires.

[0011] Furthermore, the chassis is covered with a cover plate near the top of the installation chamber, a pressure sensor is connected between the bottom side of the cover plate and the bottom of the installation chamber, and the pressure sensor is electrically connected to the controller.

[0012] Furthermore, a limiting ring is connected to the top of the main cylinder, and a dust ring, an air seal and a linear bearing 2 are installed on the inner side of the limiting ring in sequence from top to bottom, and the inner rings of the dust ring, the air seal and the linear bearing 2 are tightly fitted with the outer side of the shock absorber rod; a sealing ring and a linear bearing 1 are installed on the outer side of the piston, and the outer sides of the sealing ring and the linear bearing 1 are tightly fitted with the inner wall of the main cylinder.

[0013] Furthermore, a buffer air chamber is arranged between the top side of the piston and the limiting ring, a vent hole is arranged on the bottom side of the shock absorber rod, and both ends of the vent hole are connected with the auxiliary air chamber and the buffer air chamber.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention uses the air pressure regulating component in conjunction with the shock absorber, so that the softness, hardness and support distance of the shock absorber can be quickly adjusted during use to better meet the needs of the user. At the same time, the pressure sensor and the controller can be used in conjunction to quickly detect the weight of the user during use, and the softness and hardness of the shock absorber can be quickly adjusted according to the detection result, thereby effectively improving the riding comfort and having high flexibility of use. 2. The present invention provides threads on the outer side of the shock absorber main cylinder and connects the fixing ring through threads, so that during installation, the fixing shafts on both sides of the fixing ring can be used to install and connect with the front fork and the rear fork of the scooter, so that before riding, the support distance of the shock absorber can be adjusted by rotating the main cylinder, so as to adjust the height of the chassis, and the adjustment method is diverse and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the separation of the cover plate and the chassis of the present invention.

[0016] Figure 2 It is a schematic diagram of the air pressure regulating assembly of the present invention.

[0017] Figure 3 It is a schematic diagram of the general assembly of the present invention.

[0018] Figure 4 It is a schematic diagram of the structure of the shock absorber of the present invention.

[0019] Figure 5 It is a cross-sectional schematic diagram of the shock absorber of the present invention.

[0020] Figure 6 yes Figure 5 Enlarged schematic diagram of part A in the middle.

[0021] In the figure, the corresponding relationship between the component names and the figure numbers is as follows: 1. Chassis; 2. Front fork; 3. Rear fork; 4. Connecting arm; 5. Front support frame; 6. Rear support frame; 7. Shock absorber; 8. Cover plate; 9. Air pressure regulating assembly; 701, main cylinder; 702, shock absorbing rod; 703, limiting ring; 704, base; 705, fixing ring; 706, fixing shaft; 707, piston; 708, sealing ring; 709, linear bearing 1; 7010, dust ring; 7011, air seal; 7012, linear bearing 2; 7013, auxiliary air chamber; 7014, buffer air chamber; 7015, main air chamber; 7016, air nozzle 1; 7017, air nozzle 2; 901, gas storage tank; 902, air pump; 903, pressure control valve 1; 9031, on-off valve 1; 9032, on-off valve 2; 904, pressure control valve 2; 9041, on-off valve 3; 9042, on-off valve 4; 905, controller; 906, main air chamber air pipe; 907, auxiliary air chamber air pipe. DETAILED DESCRIPTION

[0022] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0023] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example:

[0025] As attached Figure 1 To Attachment Figure 6 As shown: The present invention provides an intelligent adjustable shock-absorbing scooter, comprising a chassis 1, wherein a connecting arm 4 and a rear support frame 6 are respectively fixedly welded at the front and rear ends of the chassis 1, a cylinder is fixedly installed at one end of the connecting arm 4, the cylinder is rotatably connected to a steering shaft, a front support frame 5 is fixedly connected to the bottom end of the steering shaft, a front fork 2 is hingedly connected to one end of the front support frame 5, a rear fork 3 is hingedly connected to one end of the rear support frame 6, a shock absorber 7 is rotatably installed between the front support frame 5 and the front fork 2 and between the rear support frame 6 and the rear fork 3, and the shock absorber 7 comprises a main cylinder 701, a thread is arranged on the outer side of the main cylinder 701, and a fixed cylinder 701 is connected to the main cylinder 701 through the thread. A fixed ring 705, on both sides of which fixed shafts 706 for rotationally connecting to the front fork 2 and the rear fork 3 are symmetrically installed; a shock absorber rod 702 is installed at the top of the main cylinder 701, and the bottom end of the shock absorber rod 702 is connected to a piston 707 that is slidably connected to the inner wall of the main cylinder 701; the bottom end of the main cylinder 701 is connected to a base 704, and one side of the base 704 and one side of the top end of the shock absorber rod 702 are respectively installed with an air nozzle 1 7016 and an air nozzle 2 7017; an installation chamber is provided inside the chassis 1, and an air pressure regulating component 9 is installed inside the installation chamber, and the air pressure regulating component 9 is connected to the shock absorber 7.

[0026] Among them, the shock absorber rod 702 is provided with a secondary air chamber 7013 inside, and the main cylinder 701 is provided with a main air chamber 7015 inside. The secondary air chamber 7013 and the main air chamber 7015 are separated by a piston 707 to ensure that the secondary air chamber 7013 and the main air chamber 7015 can be independent of each other and do not interfere with each other.

[0027] Among them, an explosion-proof air chamber is arranged on the top of the base 704, and the explosion-proof air chamber is communicated with the main air chamber 7015; the air nozzle 1 7016 and the air nozzle 2 7017 are communicated with the explosion-proof air chamber and the auxiliary air chamber 7013 respectively.

[0028] Among them, the air pressure regulating component 9 includes an air tank 901 and an air pump 902 fixedly installed in the chassis 1, and the air pump 902 is connected to the air tank 901 through a pipeline; the output end of the air tank 901 is connected to a tee, and the other two ends of the tee are respectively connected to a pressure control valve 1 903 and a pressure control valve 2 904, and the pressure control valve 1 903 and the pressure control valve 2 904 are both one-inlet and multiple-outlet air pressure distribution valves, which are used to quickly control the air pressure of the main air chamber 7015 and the auxiliary air chamber 7013, so as to realize rapid adjustment of the elongation of the shock absorber rod 702 and the hardness and softness during shock absorption when in use.

[0029] Among them, the pressure control valve 1 903 is connected to two groups of control pipelines 1, and the two groups of control pipelines 1 are respectively connected to the on-off valve 1 9031 and the on-off valve 2 9032, and the other ends of the on-off valve 1 9031 and the on-off valve 2 9032 are connected to the main air chamber air pipe 906; the pressure control valve 2 904 is connected to two groups of control pipelines 2, and the two groups of control pipelines 2 are respectively connected to the on-off valve 3 9041 and the on-off valve 4 9042, and the other ends of the on-off valve 3 9041 and the on-off valve 4 9042 are connected to the auxiliary air chamber air pipe 907, so that when in use, the auxiliary air chamber air pipe 907 of the main air chamber air pipe 906 can be quickly on and off controlled by the on-off valve 1 9031, the on-off valve 2 9032, the on-off valve 3 9041 and the on-off valve 4 9042, which is opened during adjustment and blocked after the adjustment is completed, so as to ensure the stability of the internal air pressure of the shock absorber 7 during use.

[0030] Among them, the main air chamber air pipe 906 is connected to the air nozzle 1 7016, and the auxiliary air chamber air pipe 907 is connected to the air nozzle 2 7017.

[0031] Among them, the air pressure regulating component 9 also includes a controller 905, which is electrically connected to the pressure control valve 1 903, the pressure control valve 2 904, the on-off valve 1 9031, the on-off valve 2 9032, the on-off valve 3 9041, the on-off valve 4 9042 and the air pump 902 through wires to achieve centralized control and improve the convenience of regulation.

[0032] Among them, the chassis 1 is covered with a cover plate 8 near the top of the installation chamber, and a pressure sensor is connected between the bottom side of the cover plate 8 and the bottom of the installation chamber, and the pressure sensor is electrically connected to the controller 905, so as to realize rapid detection of the user's weight during use, and rapid adjustment of the hardness of the shock absorber 7 according to the detection result, thereby effectively improving the riding comfort and having high flexibility of use.

[0033] Among them, the top of the main cylinder 701 is connected to a limiting ring 703, and the inner side of the limiting ring 703 is successively installed with a dust ring 7010, an air seal 7011 and a linear bearing 7012 from top to bottom, and the inner rings of the dust ring 7010, the air seal 7011 and the linear bearing 7012 are tightly fitted with the outer side of the shock absorber rod 702; the outer side of the piston 707 is installed with a sealing ring 708 and a linear bearing 709, and the outer sides of the sealing ring 708 and the linear bearing 709 are tightly fitted with the inner wall of the main cylinder 701.

[0034] Among them, a buffer air chamber 7014 is arranged between the top side of the piston 707 and the limiting ring 703, and a vent is arranged on the bottom side of the shock absorber rod 702, and the two ends of the vent are connected with the auxiliary air chamber 7013 and the buffer air chamber 7014. Through the setting of the buffer air chamber 7014 and the vent, when the shock absorber rod 702 moves downward, the gas inside the auxiliary air chamber 7013 can enter the buffer air chamber 7014 from the vent to achieve auxiliary downward buffering. When the shock absorber rod 702 moves upward, the volume of the buffer air chamber 7014 becomes smaller, and the internal gas thereof is pressurized and flows into the auxiliary air chamber 7013 from the vent. This process can achieve upward buffering.

[0035] The working principle of this embodiment is as follows: by using the air pressure regulating assembly 9 in conjunction with the shock absorber 7, the hardness and support distance of the shock absorber 7 can be quickly adjusted during use to better meet the needs of the user. At the same time, by using the pressure sensor in conjunction with the controller 905 (which can be manually controlled by transmitting to the front instrument through a wired or wireless mode), the user's weight can be quickly detected during use, and the hardness of the shock absorber 7 can be quickly adjusted based on the detection result, thereby effectively improving the riding comfort and having high flexibility of use. By providing a thread on the outer side of the main cylinder 701 of the shock absorber 7 and connecting the fixing ring 705 through the thread, the fixing shafts 706 on both sides of the fixing ring 705 can be used to install and connect with the front fork 2 and the rear fork 3 of the scooter during installation, so that before riding, the support distance of the shock absorber 7 can be adjusted by rotating the main cylinder 701, thereby adjusting the height of the chassis 1. The adjustment methods are diverse and can be used flexibly by users.

[0036] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An intelligent adjustable shock-absorbing scooter, comprising a chassis (1), wherein a connecting arm (4) and a rear support frame (6) are respectively fixedly welded at the front and rear ends of the chassis (1), a cylinder is fixedly mounted on one end of the connecting arm (4), the cylinder is rotatably connected to a steering shaft, the bottom end of the steering shaft is fixedly connected to a front support frame (5), one end of the front support frame (5) is hinged to a front fork (2), one end of the rear support frame (6) is hinged to a rear fork (3), a shock absorber (7) is rotatably mounted between the front support frame (5) and the front fork (2) and between the rear support frame (6) and the rear fork (3), and the characteristics are: The shock absorber (7) comprises a main cylinder (701), the outer side of which is provided with a thread and is connected to a fixing ring (705) via the thread, and fixed shafts (706) for rotationally connecting to a front fork (2) and a rear fork (3) are symmetrically mounted on both sides of the fixing ring (705); a shock absorber rod (702) is mounted on the top end of the main cylinder (701), and a piston (707) is connected to the bottom end of the shock absorber rod (702) in sliding connection with the inner wall of the main cylinder (701); a base (704) is connected to the bottom end of the main cylinder (701), and a first air nozzle (7016) and a second air nozzle (7017) are mounted on one side of the base (704) and one side of the top end of the shock absorber rod (702), respectively; an installation chamber is arranged inside the chassis (1), and a gas pressure regulating assembly (9) is mounted inside the installation chamber, and the gas pressure regulating assembly (9) is connected to the shock absorber (7).

2. The intelligent adjustable shock-absorbing scooter according to claim 1, characterized in that: The damping rod (702) is provided with a secondary air chamber (7013) inside, and the main cylinder (701) is provided with a main air chamber (7015) inside. The secondary air chamber (7013) and the main air chamber (7015) are separated by a piston (707).

3. The intelligent adjustable shock-absorbing scooter according to claim 2, characterized in that: An explosion-proof air chamber is arranged at the top of the base (704), and the explosion-proof air chamber is communicated with the main air chamber (7015); the first air nozzle (7016) and the second air nozzle (7017) are communicated with the explosion-proof air chamber and the auxiliary air chamber (7013) respectively.

4. The intelligent adjustable shock-absorbing scooter according to claim 1, characterized in that: The air pressure regulating assembly (9) comprises an air storage tank (901) and an air pump (902) fixedly mounted in the chassis (1); the air pump (902) is connected to the air storage tank (901) via a pipeline; an output end of the air storage tank (901) is connected to a tee, and the other two ends of the tee are respectively connected to a pressure control valve 1 (903) and a pressure control valve 2 (904).

5. The intelligent adjustable shock-absorbing scooter according to claim 4, characterized in that: The pressure control valve 1 (903) is connected to two groups of control pipelines 1, and the two groups of control pipelines 1 are respectively connected to the on-off valve 1 (9031) and the on-off valve 2 (9032), and the other ends of the on-off valve 1 (9031) and the on-off valve 2 (9032) are both connected to the main air chamber air pipe (906); the pressure control valve 2 (904) is connected to two groups of control pipelines 2, and the two groups of control pipelines 2 are respectively connected to the on-off valve 3 (9041) and the on-off valve 4 (9042), and the other ends of the on-off valve 3 (9041) and the on-off valve 4 (9042) are both connected to the auxiliary air chamber air pipe (907).

6. The intelligent adjustable shock-absorbing scooter according to claim 5, characterized in that: The main air chamber air pipe (906) is connected to the air nozzle 1 (7016), and the auxiliary air chamber air pipe (907) is connected to the air nozzle 2 (7017).

7. The intelligent adjustable shock-absorbing scooter according to claim 5, characterized in that: The air pressure regulating assembly (9) further comprises a controller (905), wherein the controller (905) is electrically connected to the pressure control valve 1 (903), the pressure control valve 2 (904), the on-off valve 1 (9031), the on-off valve 2 (9032), the on-off valve 3 (9041), the on-off valve 4 (9042) and the air pump (902) via wires.

8. The intelligent adjustable shock-absorbing scooter according to claim 7, characterized in that: The chassis (1) is covered with a cover plate (8) near the top of the installation chamber, a pressure sensor is connected between the bottom side of the cover plate (8) and the bottom of the installation chamber, and the pressure sensor is electrically connected to the controller (905).

9. The intelligent adjustable shock-absorbing scooter according to claim 1, characterized in that: The top end of the main cylinder (701) is connected to a limiting ring (703), and the inner side of the limiting ring (703) is sequentially installed with a dust ring (7010), an air seal (7011) and a second linear bearing (7012) from top to bottom, and the inner rings of the dust ring (7010), the air seal (7011) and the second linear bearing (7012) are tightly fitted with the outer side of the shock absorber rod (702); the outer side of the piston (707) is installed with a sealing ring (708) and a first linear bearing (709), and the outer sides of the sealing ring (708) and the first linear bearing (709) are tightly fitted with the inner wall of the main cylinder (701).

10. The intelligent adjustable shock-absorbing scooter according to claim 9, characterized in that: A buffer air chamber (7014) is provided between the top side of the piston (707) and the limiting ring (703), and a vent hole is provided on the bottom side of the damping rod (702), and both ends of the vent hole are in communication with the auxiliary air chamber (7013) and the buffer air chamber (7014).