Scooter

Abstract

This application provides a scooter, relating to the field of transportation technology, to solve the technical problems of poor shock absorption and non-adjustable stiffness in scooters. The scooter incorporates shock-absorbing units at both ends of the frame and between the scooter and at least one of the corresponding wheelsets. Each shock-absorbing unit includes a mounting sleeve, a bearing axle, a first shock-absorbing mechanism, and at least one second shock-absorbing mechanism. The mounting sleeve is connected to the rocker arm in the corresponding wheelset. The bearing axle passes through the mounting sleeve and extends along the width of the frame through its corresponding connecting arm. The first shock-absorbing mechanism is positioned between the peripheral wall of the bearing axle and the inner wall of the mounting sleeve. The second shock-absorbing mechanism includes a second shock-absorbing element and a fixing element. The second shock-absorbing element is located on one side of the first shock-absorbing mechanism and surrounds the outer periphery of the bearing axle. The fixing element is detachably connected to the outer side of the connecting arm. The shock-absorbing unit of this application has adjustable shock-absorbing stiffness to meet different shock-absorbing needs and improve the shock absorption effect.

Description

Technical Field

[0001] This application relates to the field of transportation technology, and more particularly to a scooter. Background Technology

[0002] In related technologies, a scooter includes a frame and two wheel sets. The frame has connecting arms at both the front and rear ends. The wheel sets are connected to the connecting arms via rocker arms, so that the two wheel sets are supported at the front and rear ends of the frame respectively, and the wheels in the wheel sets roll in contact with the ground. In this way, the user can stand on the frame and ride by sliding the wheels in the wheel sets on the ground through human or electric drive.

[0003] However, in related technologies, there are technical problems such as poor shock absorption between the wheelset and the frame, and the shock absorption stiffness is not adjustable. Utility Model Content

[0004] In view of the above problems, this application provides a scooter to improve the shock absorption effect of the scooter and make the shock absorption stiffness of the wheel set adjustable. In this way, the user can adjust the shock absorption stiffness according to the needs, thereby improving the user's riding comfort.

[0005] To achieve the above objectives, the embodiments of this application provide the following technical solutions:

[0006] This application provides a scooter, including:

[0007] The frame has connecting arms at both ends along the forward direction of the scooter;

[0008] Two wheel sets are respectively disposed at both ends of the frame. Each wheel set includes a wheel and a rocker arm, and the first end of the rocker arm is connected to the axle of the wheel.

[0009] At least one shock absorber unit is disposed between the frame and at least one of the two wheelsets. The shock absorber unit includes a mounting sleeve, a bearing axle, a first shock absorber mechanism, and at least one second shock absorber mechanism. The mounting sleeve is connected to the second end of the rocker arm in the corresponding wheelset. The bearing axle passes through the mounting sleeve and extends along the width direction of the frame through the corresponding connecting arm. The first shock absorber mechanism is disposed between the peripheral wall of the bearing axle and the inner wall of the mounting sleeve. The second shock absorber mechanism includes a second shock absorber and a fixing member. The second shock absorber is located on one side of the first shock absorber mechanism and surrounds the outer periphery of the bearing axle. The fixing member is detachably connected to the outside of the connecting arm to fix the second shock absorber.

[0010] In the scooter provided in this application embodiment, a shock-absorbing unit is provided between the front and rear ends of the frame and at least one of the corresponding wheelsets. The shock-absorbing unit includes a mounting sleeve, a bearing axle, a first shock-absorbing mechanism, and at least one second shock-absorbing mechanism. The mounting sleeve is connected to the rocker arm in the corresponding wheelset. The bearing axle passes through the mounting sleeve and extends along the width direction of the frame through the corresponding connecting arm on the frame. The first shock-absorbing mechanism is disposed between the peripheral wall of the bearing axle and the inner wall of the mounting sleeve. The second shock-absorbing mechanism includes a second shock absorber and a fixing member. The second shock absorber is located on one side of the first shock-absorbing mechanism and surrounds the outer periphery of the bearing axle. The fixing member is detachably connected to the outside of the connecting arm. Thus, the scooter... Vibrations from uneven road surfaces are first absorbed by the first shock-absorbing mechanism before being transmitted to the load-bearing axle. The vibrations on the load-bearing axle are then absorbed by the second shock-absorbing component before being transmitted to the connecting arm. This two-stage shock absorption between the wheel and the frame enhances the overall shock absorption effect and improves the user's riding comfort. Furthermore, since the fixing component and the connecting arm are detachably connected, the user can choose whether to add a second shock-absorbing component or select a second shock-absorbing component with a different shock absorption stiffness. This allows the overall shock absorption stiffness of the scooter to be adjusted to meet different shock absorption needs. Finally, the fixing component is located on the outside of the connecting arm for easy installation and removal, improving the user's convenience.

[0011] In some embodiments, the connecting arm includes a connecting body and two connecting sub-arms. Along the width direction of the frame, the two connecting sub-arms are connected to the two sides of the connecting body, forming an installation space between the two connecting sub-arms, and each of the two connecting sub-arms has a mounting hole through which a bearing shaft can pass.

[0012] The mounting sleeve is installed in the mounting space, and the two ends of the bearing shaft passing through the mounting sleeve are respectively inserted into the corresponding mounting holes.

[0013] This improves the installation stability and reliability of the mounting sleeve, as well as the compactness of the structure.

[0014] In some embodiments, the rocker arm includes two sub-rocker arms, which are respectively located on both sides of the corresponding wheel set, and the first ends of the two sub-rocker arms are connected to the wheel axle of the wheel set, and the second ends of the two sub-rocker arms are respectively connected to the corresponding mounting sleeves.

[0015] This improves the reliability and stability of the connection between the rocker arm and the mounting sleeve.

[0016] In some embodiments, the first damping mechanism includes a first damping member disposed between the peripheral wall of the bearing shaft and the inner wall of the mounting sleeve.

[0017] In this way, the first damping component can be directly sleeved on the bearing shaft and then passed through the mounting sleeve, which reduces the difficulty of installing the first damping component to the bearing shaft and the mounting sleeve respectively.

[0018] In some embodiments, when the scooter is stationary, the first shock absorber has a preload, while the second shock absorber does not; when the scooter is in motion, both the first and second shock absorbers have a preload.

[0019] In this way, when the scooter is in motion, the second shock absorber has a preload, which enables the first shock absorber to achieve primary shock absorption and the second shock absorber to achieve secondary shock absorption, thereby improving the overall shock absorption effect of the scooter and enhancing the user's riding comfort.

[0020] In some embodiments, at least one of the inner wall of the mounting sleeve, the wall of the mounting hole, and the fastener has a mating portion that matches the outer contour of the second shock absorber, the outer contour of the second shock absorber being configured to mate with the mating portion.

[0021] This can further improve the reliability of positioning and fixing the second shock absorber, thereby ensuring the shock absorption effect.

[0022] In some embodiments, the second damping member has at least two damping portions arranged circumferentially along the bearing axis, and the outer contours of the at least two damping portions are configured to cooperate with the mating portion.

[0023] In this way, by increasing the number of damping parts, the damping stiffness of the second damping component can be adjusted, thereby meeting different damping requirements.

[0024] In some embodiments, at least two of the damping parts are connected in sequence to form an irregularly shaped sleeve hole, and the second damping member is sleeved on the bearing shaft through the sleeve hole.

[0025] In this way, the second damping component can be directly fitted onto the bearing shaft, improving the positional reliability and stability between the second damping component and the bearing shaft, while reducing the installation difficulty of the second damping component.

[0026] In some embodiments, at least two of the damping components are independent of each other and are arranged at intervals along the circumference of the bearing shaft. The bearing shaft has at least two mounting positions on its peripheral wall, and at least two of the damping components are respectively mounted on at least two mounting positions, wherein at least one of the damping components is provided on one mounting position.

[0027] In this way, the shock absorption stiffness of the scooter can be adjusted directly by increasing or decreasing the number of shock absorption parts in the second shock absorber to meet the different shock absorption stiffness requirements of users.

[0028] In some embodiments, at least two of the damping parts are independent of each other; the second damping mechanism further includes a damping block, which is sleeved on the bearing shaft. Along the circumference of the damping block, the peripheral wall of the damping block has at least two accommodating positions spaced apart. At least two of the damping parts are respectively disposed on at least two of the accommodating positions, and one of the damping parts is disposed on one of the accommodating positions.

[0029] In this way, the damping block is sleeved on the bearing shaft, and the damping part is installed between the damping block and the fixing part, which can further improve the damping effect of the second damping mechanism.

[0030] In some embodiments, the second shock absorber is located outside the connecting arm, the fixing member has the mating portion, and the second shock absorber is fixed between the fixing member and the connecting arm.

[0031] This makes it easier for users to install and remove the second shock absorber.

[0032] In some embodiments, the damping portion is at least one of a damping protrusion or a columnar structure with a cross-section of at least one of a circle, an ellipse, a quadrilateral, and a polygon; the mating portion is a mating groove that matches the damping portion.

[0033] In this way, the structure of the shock-absorbing part and the mating part is simple, easy to implement, and low in cost.

[0034] In some embodiments, the second damping element is at least one of a rubber element, a silicone element, and a damping spring.

[0035] This ensures effective shock absorption while keeping costs low.

[0036] In some embodiments, a threaded connector is further included, through which the fixing member is detachably connected to the connecting arm; or...

[0037] It also includes a first magnetic component and a second magnetic component, the first magnetic component being disposed on the fixing component and the second magnetic component being disposed on the connecting arm, the first magnetic component and the second magnetic component being magnetically attracted to each other; or...

[0038] The fastener is provided with a first snap-fit ​​portion, and the connecting arm is provided with a second snap-fit ​​portion. The first snap-fit ​​portion is configured to snap-fit ​​with the second snap-fit ​​portion.

[0039] This reduces the difficulty of disassembling the fastener and connecting arm, making it easier for users to disassemble and thus improving the user experience.

[0040] In some embodiments, the first damping element is a damping cylinder, which is sleeved on the bearing shaft.

[0041] In this way, the first damping component is directly sleeved on the bearing shaft, which is a simple connection method and can achieve circumferential damping, thus improving the damping effect.

[0042] In some embodiments, the mounting sleeve is welded to, threadedly connected to, or snap-fitted to the rocker arm; or...

[0043] The mounting sleeve and the rocker arm are an integral structure.

[0044] This improves the reliability and stability of the connection between the mounting sleeve and the rocker arm.

[0045] In some embodiments, the first damping mechanism further includes a fastening ring, which surrounds the outer peripheral wall of the first damping member.

[0046] This further ensures the positional reliability of the first damping component, thereby guaranteeing the damping effect.

[0047] In addition to the technical problems solved by the embodiments of this application, the technical features constituting the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions described above, other technical problems that the scooter provided by the embodiments of this application can solve, other technical features included in the technical solutions, and the beneficial effects brought about by these technical features will be further explained in detail in the specific implementation. Attached Figure Description

[0048] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0049] Figure 1 This is a schematic diagram of the structure of a scooter provided in an embodiment of this application from one perspective;

[0050] Figure 2 An exploded view of a scooter provided as an embodiment of this application;

[0051] Figure 3 for Figure 2 A magnified view of a portion of point A in the middle;

[0052] Figure 4 An exploded view of the scooter provided in an embodiment of this application;

[0053] Figure 5 for Figure 5 A magnified view of a portion of point B in the middle;

[0054] Figure 6 An exploded view of the scooter provided in an embodiment of this application;

[0055] Figure 7 for Figure 6 A magnified view of a portion of point C in the middle;

[0056] Figure 8 A partial structural schematic diagram of the scooter provided in another embodiment of this application;

[0057] Figure 9 for Figure 8 A magnified view of a portion of point D in the middle;

[0058] Figure 10 This is a schematic diagram of a fixing component in a scooter provided in an embodiment of this application.

[0059] Explanation of reference numerals in the attached figures:

[0060] 10- Scooter;

[0061] 100 - Frame; 110 - Connecting arm; 111 - Connecting body; 112 - Connecting sub-arm; 1121 - Mounting hole;

[0062] 200 - Wheelset; 210 - Wheel; 220 - Rocker arm; 221 - Sub-rocker arm;

[0063] 300 - Installation sleeve;

[0064] 400 - Bearing shaft;

[0065] 500 - First damping mechanism; 510 - First damping component; 520 - Fastening ring;

[0066] 600 - Second damping mechanism; 610 - Second damping component; 611 - Damping section;

[0067] 620 - Fastener; 621 - Mating part; 630 - Vibration damping block; 631 - Accommodation position;

[0068] 700 - Threaded connector;

[0069] 800-shaft sleeve. Detailed Implementation

[0070] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application. Unless otherwise specified, please refer to the following... Figure 1 As shown, this application embodiment provides a scooter 10, wherein the scooter 10 can be an electric scooter 10 with electric drive, or a human-powered scooter 10 propelled by human force; as Figure 1 In this scooter 10, there is a frame 100 and two wheel sets 200. Along the forward direction of the scooter 10, the front and rear ends of the frame 100 are connected by arms 110. The two wheel sets 200 are respectively set at the front and rear ends of the frame 100. The wheel set 200 includes a wheel 210 and a rocker arm 220. The wheel 210 has an axle, which is connected to the first end of the rocker arm 220. The second end of the rocker arm 220 is connected to the connecting arm 110 at its corresponding end. In this way, the two wheel sets 200 are supported at the front and rear ends of the frame 100. The wheel 210 rolls in contact with the ground. Thus, the user can stand on the pedal of the frame 100 and ride by sliding the front and rear wheels 210 on the ground through human power or electric drive.

[0071] When the scooter 10 is in motion, the wheel 210 exerts an upward force on the rocker arm 220. The force on the rocker arm 220 is transmitted to the connecting arm 110, and then to the frame 100. The frame 100, through the connecting arm 110 and the rocker arm 220, exerts a reverse force on the wheel 210. As a result, the user may experience some vibration while riding, especially on uneven surfaces, where the vibration will be greater, affecting the user's riding comfort. On the other hand, the stiffness of the frame 100 and the wheel axles and other components of the wheel 210 is fixed after manufacturing and cannot be adjusted. Therefore, when the vibration is large, it will affect the service life of the frame 100 and the wheel axles and other components of the wheel 210.

[0072] Based on the above problems, in the scooter 10 provided in this application embodiment, a shock-absorbing unit is provided between at least one of the two wheel sets 200 and the corresponding connecting arm 110, and the shock-absorbing stiffness of the shock-absorbing unit is adjustable, so as to improve the shock absorption effect of the scooter 10 and meet the needs of different shock absorption stiffness, thereby improving the riding comfort of the user and extending the service life of each component in the scooter 10.

[0073] The specific structure of the scooter 10 and various possible implementation methods will be described in detail below with reference to the accompanying drawings.

[0074] Please refer to Figures 1 to 9 As shown in the embodiments of this application, the scooter 10 also includes at least one shock-absorbing unit. In one exemplary embodiment, a shock-absorbing unit is provided only between the connecting arm 110 at the front end of the frame 100 and the corresponding wheel set 200; in another exemplary embodiment, a shock-absorbing unit is provided only between the connecting arm 110 at the rear end of the frame 100 and the corresponding wheel set 200; and in yet another exemplary embodiment, a shock-absorbing unit is provided between the connecting arm 110 at the front end of the frame 100 and the corresponding wheel set 200, and a shock-absorbing unit is also provided between the connecting arm 110 at the rear end of the frame 100 and the corresponding wheel set 200, so as to absorb the vibration transmitted from the wheel set 200 to the frame 100 through the shock-absorbing unit, thereby improving the shock absorption effect of the scooter 10 and improving the riding comfort of the user.

[0075] For example, in Figures 1 to 9 In the scooter 10, shock-absorbing units are provided between the connecting arms 110 at the front and rear ends of the frame 100 and the corresponding wheel sets 200, so as to further improve the shock absorption effect of the scooter 10.

[0076] Please refer to Figures 6 to 7 As shown, the shock absorption unit includes a mounting sleeve 300, a bearing shaft 400, a first shock absorption mechanism 500, and at least one second shock absorption mechanism 600. The mounting sleeve 300 is connected to the second end of the rocker arm 220 in the corresponding wheel set 200, and the first end of the rocker arm 220 is connected to the axle of the wheel 210 in the corresponding wheel set 200. The bearing shaft 400 passes through the mounting sleeve 300 and extends through the corresponding connecting arm 110 along the width direction of the frame 100. The first shock absorption mechanism 500 is disposed between the peripheral wall of the bearing shaft 400 and the inner wall of the mounting sleeve 300. The second shock absorption mechanism 600 includes a second shock absorber 610 and a fixing member 620. The second shock absorber 610 is located on one side of the first shock absorption mechanism 500 and surrounds the outer periphery of the bearing shaft 400. The fixing member 620 is detachably connected to the outside of the connecting arm 110 to fix the second shock absorber 610.

[0077] Users can choose whether to add a second shock-absorbing mechanism 600, meaning they can choose the secondary shock absorption mechanism. This allows them to select the shock absorption performance. In addition, users can also choose the shock absorption stiffness of the second shock absorption mechanism 600 according to their specific needs. They can choose to use second shock-absorbing components 610 with different shock absorption stiffnesses, thereby making the overall stiffness of the scooter 10 adjustable. This improves the shock absorption effect while ensuring the overall stiffness of the scooter 10, which can extend the service life of the various components of the scooter 10.

[0078] For example, when the shock absorption unit has a second shock absorption mechanism 600, the second shock absorption mechanism 600 can be selected as one or two. When there is one second shock absorption mechanism 600, the second shock absorption mechanism 600 is disposed on one side of the first shock absorption member 510; when there are two second shock absorption mechanisms 600, the two second shock absorption mechanisms 600 are respectively disposed on opposite sides of the first shock absorption member 510, that is, one second shock absorption mechanism 600 is disposed on one side of the first shock absorption member 510, so as to further improve the shock absorption effect of the scooter 10.

[0079] In some embodiments, the first damping mechanism 500 includes a first damping member 510, which is disposed between the peripheral wall of the bearing shaft 400 and the inner wall of the mounting sleeve 300. In this way, the first damping member 510 can dampen the circumferential vibration of the bearing shaft 400. For example, the first damping member 510 is a damping cylinder, so that the first damping member 510 can be directly sleeved on the bearing shaft 400 and then inserted into the mounting sleeve 300, which reduces the installation difficulty of the first damping member 510 to the bearing shaft 400 and the mounting sleeve 300 respectively.

[0080] For example, the material of the first damping component 510 includes, but is not limited to, elastic materials such as rubber and silicone, so as to give it certain damping performance and achieve the damping effect.

[0081] Please continue to refer to Figure 6 and Figure 7 As shown, the first damping mechanism 500 also includes a fastening ring 520, which is sleeved on the outer peripheral wall of the first damping member 510. That is, the fastening ring 520 is located between the outer peripheral wall of the first damping member 510 and the inner wall of the damping sleeve. For example, the fastening ring 520 is a rigid structure. In this way, the first damping member 510 is restricted between the fastening ring 520 and the peripheral wall of the bearing shaft 400. When installed in the mounting sleeve 300, the fastening ring 520 is at least partially in direct contact with the inner wall of the mounting sleeve 300 so that the first damping member 510 has a preload.

[0082] In addition, the material of the second damping component 610 may include, but is not limited to, elastic materials such as rubber and silicone, so as to give it certain damping performance and achieve the damping effect.

[0083] For example, the second damping component 610 is at least one of a rubber component, a silicone component, and a damping spring, thus ensuring the damping effect while keeping costs low.

[0084] In this process, the mounting sleeve 300 in the shock absorption unit is connected to the end of the rocker arm 220. Then, it is installed on the corresponding connecting arm 110 through the bearing shaft 400 passing through the mounting sleeve 300. In this way, the mounting sleeve 300 and the corresponding wheel set 200 can be integrated and installed on the corresponding connecting arm 110, which can reduce the difficulty and installation steps, thereby reducing the installation cost.

[0085] In some embodiments, the rocker arm 220 and the mounting sleeve 300 can be connected by bonding, welding, threading, or snap-fitting; or, the rocker arm 220 and the mounting sleeve 300 can be formed into an integral structure by casting or injection molding, which can improve the reliability and stability of the connection between the mounting sleeve 300 and the rocker arm 220.

[0086] For example, such as Figure 6 and Figure 7 As shown, the rocker arm 220 includes two sub-rocker arms 221, which are respectively located on both sides of the corresponding wheel set 200. The first ends of the two sub-rocker arms 221 are connected to the axles of the wheel set 200, and the second ends of the two sub-rocker arms 221 are respectively connected to the corresponding mounting sleeves 300. Figure 6 and Figure 7 In this design, both sub-rocker arms 221 are integrally formed with the mounting sleeve 300 through casting or injection molding, which improves the reliability and stability of the connection between the rocker arms 220 and the mounting sleeve 300.

[0087] In this embodiment, when the scooter 10 is stationary, the first shock absorber 510 has a preload, while the second shock absorber 610 does not. When the scooter 10 is in motion, both the first shock absorber 510 and the second shock absorber 610 have a preload. Thus, when the scooter 10 moves, the second shock absorber 610 has a preload, enabling the first shock absorber 510 to achieve primary shock absorption and the second shock absorber 610 to achieve secondary shock absorption, thereby improving the overall shock absorption effect of the scooter 10 and enhancing the user's riding comfort.

[0088] Specifically, when the scooter 10 is in motion, if the wheel 210 vibrates due to uneven road surface, the vibration is first transmitted to the mounting sleeve 300 via the rocker arm 220. Since the mounting sleeve 300 is not directly connected to the connecting arm 110, the vibration transmitted to the mounting sleeve 300 first passes through the first damping mechanism 500. In this way, the first damping mechanism 500 can absorb the vibration transmitted by the mounting sleeve 300, achieving first-level damping before transmitting it to the bearing shaft 400. Since the second damping member 610 is surrounding the outer peripheral wall of the bearing shaft 400, the vibration received by the bearing shaft 400 will first pass through the second damping member 610, and then be transmitted to the bearing shaft 400. After the shock absorber 610 performs secondary shock absorption, it is transmitted to the connecting arm 110, thus achieving two-stage shock absorption between the wheel 210 and the frame 100 to improve the shock absorption effect and enhance the user's riding comfort. In addition, since the fixing member 620 is detachably connected to the connecting arm 110, the user can choose whether to add a second shock absorber 610 or choose a second shock absorber 610 with a different shock absorption stiffness, so that the overall shock absorption stiffness of the scooter 10 is adjustable to meet different shock absorption needs. Finally, the fixing member 620 is set on the outside of the connecting arm 110 for easy disassembly and assembly, improving the user's convenience.

[0089] In other words, when the scooter 10 is sliding, the wheel 210 receives an upward force, which is then transmitted to the frame 100 through the rocker arm 220, mounting sleeve 300, bearing axle 400, and connecting arm 110. However, when the mounting sleeve 300 transmits the force to the bearing axle 400, the first shock absorber 510 located between the mounting sleeve 300 and the bearing axle 400 deforms under the applied force. The first shock absorber 510 generates a first restoring force in the opposite direction of its deformation to counteract the force applied by the rocker arm 220 to the bearing axle 400 through the mounting sleeve 300. This prevents the force on the mounting sleeve 300 from being directly transmitted to the bearing axle 400, meaning that the first shock absorber 510 can absorb vibrations. This avoids direct rigid contact between the mounting sleeve 300 and the bearing axle 400, which could cause significant vibration in the frame 100. Simultaneously, when the bearing axle 400 is subjected to the force transmitted by the mounting sleeve 300 through the first damping member 510, the second damping member 610 deforms and generates a second restoring force. Under the combined action of the first and second restoring forces, the mounting sleeve 300 drives the rocker arm 220 back to its original position, thus forming a two-stage damping system. This reduces the vibration between the wheelset 200 and the frame 100, further improving the damping effect, enhancing user riding comfort, and extending the service life of all components in the scooter 10.

[0090] Please continue to refer to Figure 6 and Figure 7As shown, the connecting arm 110 includes a connecting body 111 and two connecting sub-arms 112. Along the width direction of the frame 100, the two connecting sub-arms 112 are connected to the two sides of the connecting body 111, forming an installation space between the two connecting sub-arms 112. Each of the two connecting sub-arms 112 has a mounting hole 1121 through which the bearing shaft 400 can pass. The mounting sleeve 300 is installed in the installation space, and the two ends of the bearing shaft 400 passing through the mounting sleeve 300 are respectively inserted into the corresponding mounting holes 1121. This improves the installation stability and reliability of the mounting sleeve 300 and the compactness of the structure.

[0091] It is understandable that the width direction of the frame 100 and the length direction of the frame 100 form an angle of 90° or approximately 90° in the horizontal plane, while the length direction of the frame 100 is always consistent with the sliding direction of the scooter 10.

[0092] For example, two connecting arms 112 are located below the connecting body 111 by welding, bonding, or integral molding, for example, in Figure 6 and Figure 7 In this structure, the two connecting sub-arms 112 and the connecting body 111 are integrally formed by casting or injection molding. The mounting sleeve 300 is installed in the mounting space formed between the two connecting sub-arms 112. Both connecting sub-arms 112 have mounting holes 1121 at the same height and with the same diameter. Both ends of the bearing shaft 400 extend out of the mounting sleeve 300 and pass through the corresponding mounting holes 1121 to realize the connection between the bearing shaft 400 and the connecting arm 110.

[0093] In some embodiments, a bushing 800 is provided between the bearing shaft 400 and the corresponding mounting hole 1121, that is, the bushing 800 is located between the peripheral wall of the bearing shaft 400 and the hole wall of the mounting hole 1121, so as to avoid the problem of wear caused by friction between the bearing shaft 400 and the mounting hole 1121, thereby improving the structural reliability of the bearing shaft 400.

[0094] In addition, such as Figure 6 and Figure 7 As shown, both sub-rocker arms 221 are connected to the mounting sleeve 300, and the mounting sleeve 300 is located in the mounting space formed inside the connecting arm 110. The fixing member 620 in the second shock absorption mechanism 600 is connected to the outside of the connecting arm 110. In this way, interference between the sub-rocker arms 221 and the fixing member 620 can be avoided, thereby avoiding affecting the shock absorption effect and overall performance of the scooter 10.

[0095] In some embodiments, at least one of the inner wall of the mounting sleeve 300, the wall of the mounting hole 1121, and the fastener 620 has a mating portion 621 that matches the outer contour of the second damper 610. The outer contour of the second damper 610 is configured to cooperate with the mating portion 621, which can further improve the reliability of positioning and fixing the second damper 610, thereby ensuring the damping effect.

[0096] As an example, the second damper 610 is located on one side of the first damper 510 and is entirely within the mounting sleeve 300. The fixing member 620 limits the second damper 610 in the axial direction of the bearing shaft 400. Thus, the inner wall of the mounting sleeve 300 has a mating part 621 that matches the outer contour of the second damper 610 to limit and fix the second damper 610 in the circumferential and radial directions.

[0097] In another example, the second damper 610 is partially located inside the mounting sleeve 300 and partially located in the mounting hole 1121. Thus, both the hole wall of the mounting hole 1121 and the inner wall of the mounting sleeve 300 are provided with mating portions 621 that match the outer contour of the second damper 610.

[0098] In another example, the second shock absorber 610 is partially located inside the mounting sleeve 300, partially located inside the mounting hole 1121, and partially located inside the fixing member 620. That is, the fixing member 620 has a receiving groove. Thus, the inner wall of the mounting sleeve 300, the wall of the mounting hole 1121, and the inner wall of the receiving groove of the fixing member 620 all have mating parts 621.

[0099] In another example, the second damping member 610 is located outside the mounting sleeve 300, and part of the structure of the second damping member 610 is located inside the mounting hole 1121, while another part is located inside the receiving groove of the fixing member 620. In this way, the hole wall of the mounting hole 1121 and the inner wall of the receiving groove have a mating part 621.

[0100] Another example, such as Figure 10 As shown, the second shock absorber 610 is located on the outside of the connecting arm 110, and the inner wall of the receiving groove of the fixing member 620 has a mating part 621. In this way, the fixing member 620 limits and fixes the second shock absorber 610 in the circumferential, radial and axial directions. By setting the second shock absorber 610 on the outside of the connecting arm 110, it is convenient for the user to disassemble and assemble, thus improving the user's operational convenience.

[0101] Please refer to Figures 2 to 9As shown, the second damping member 610 has at least two damping portions 611, which are arranged circumferentially along the bearing shaft 400. The outer contours of the at least two damping portions 611 are configured to cooperate with the mating portion 621. In this way, the damping stiffness of the second damping member 610 can be adjusted by increasing the number of damping portions 611, thereby meeting different damping requirements. In addition, by cooperating the mating portion 621 with the corresponding damping portion 611, the positional reliability and damping reliability of the second damping member 610 can be further improved, thereby improving the damping effect.

[0102] It should be noted that, as Figure 10 As shown, when the second damping member 610 has at least two damping parts 611, it also has at least two mating parts 621 that cooperate with it. In this way, at least two mating parts 621 and at least two damping parts 611 are arranged in a one-to-one correspondence, that is, one damping part 611 cooperates with one mating part 621.

[0103] In some embodiments, at least two damping parts 611 are connected in sequence to form a sleeve hole of different shapes. The second damping member 610 is sleeved on the bearing shaft 400 through the sleeve hole. In order to make the second damping member 610 and the bearing shaft 400 rotate coaxially, the cross-sectional shape of the bearing shaft 400 is polygonal. Correspondingly, the outline shape of the sleeve hole on the second damping member 610 is a polygon that matches the bearing shaft 400. In this way, when the second damping member 610 is sleeved on the bearing shaft 400, it can drive the second damping member 610 to rotate coaxially. For example, the sleeve hole is a quadrilateral hole, and the cross-sectional outline of the bearing shaft 400 is also a quadrilateral that matches it.

[0104] For example, at least two shock absorbers 611 are connected in sequence to form a block structure with socket holes. As long as the second shock absorber 610 has no preload when the scooter 10 is stationary, and the second shock absorber 610 can generate an elastic preload with torsional force when sliding, so as to achieve the purpose of shock absorption, no specific limitation is made here.

[0105] It is understandable that the number of shock absorbers 611 can be adapted to specific needs and no specific restrictions are imposed here.

[0106] In one example, at least two shock absorbers 611 may be formed into an integral structure by means of injection molding or the like; in another example, at least two shock absorbers 611 may also be detachable, so that users can choose the number of shock absorbers 611 to meet different shock absorption needs and improve riding comfort.

[0107] For example, at least two shock absorbers 611 may be detachably connected by means of snap-fit, magnetic attraction, etc.

[0108] In other embodiments, at least two shock absorbers 611 are independent of each other and are arranged at circumferential intervals along the bearing shaft 400. In this way, the user can adjust the shock absorption stiffness of the scooter 10 by increasing or decreasing the number of shock absorbers 611 to meet the user's different shock absorption stiffness requirements.

[0109] In addition, to improve the positional reliability of at least two damping parts 611 on the circumference of the bearing shaft 400, the peripheral wall of the bearing shaft 400 has at least two mounting positions. The outline of the mounting positions matches the outline of the damping parts 611. The at least two mounting positions are arranged at intervals along the circumference of the bearing shaft 400. The at least two damping parts 611 are respectively mounted on the at least two mounting positions. At least one damping part 611 is provided on each mounting position. In this way, the damping parts 611 are mounted on the corresponding mounting positions, which can improve the accuracy and reliability of the position of each damping part 611 on the circumference of the bearing shaft 400, thereby improving the damping reliability of the second damping member 610 and ensuring the damping effect.

[0110] In some other embodiments, such as Figures 2 to 9 As shown, at least two damping parts 611 are independent of each other; the second damping mechanism 600 also includes a damping block 630, which is sleeved on the bearing shaft 400. Along the circumference of the damping block 630, at least two receiving positions 631 are spaced apart on the peripheral wall of the damping block 630. At least two damping parts 611 are respectively disposed on at least two receiving positions 631, and one damping part 611 is disposed on one receiving position 631. In this way, the damping block 630 is sleeved on the bearing shaft 400, and the damping part 611 is installed between the damping block 630 and the fixing member 620. This can further improve the damping effect of the second damping mechanism 600.

[0111] For example, such as Figures 2 to 9 As shown, the second damping member 610 is located outside the connecting arm 110. The second damping member 610 has at least two damping portions 611. The second damping mechanism 600 also has a damping block 630. The outer peripheral wall of the damping block 630 has receiving positions 631 that match the at least two damping portions 611. The inner wall of the receiving groove of the fixing member 620 has at least two mating portions 621 that match the at least two damping portions 611. The damping block 630 is located outside the connecting arm 110 and is sleeved on the bearing shaft. At least two damping parts 611 are mounted on at least two receiving positions 631 at 400, positioned between the damping block 630 and the fixing member 620, and fixed between the fixing member 620 and the connecting arm 110. At least two mating parts 621 match the contour shape of the at least two damping parts 611 after they are mounted on the damping block 630. This facilitates the user's disassembly and assembly of the second damping member 610, while improving the reliability of limiting and fixing the second damping member 610.

[0112] The damping part 611 includes, but is not limited to, a columnar structure with a cross-section of at least one of a circle, an ellipse, or a polygon. Thus, the structure of the damping part 611 is simple, easy to implement, and low in cost.

[0113] For example, such as Figures 8 to 10 As shown, the damping part 611 is a cylinder with a circular cross-section, and there are 4 damping parts 611. Correspondingly, the receiving position 631 on the damping block 630 is a groove-shaped structure that matches the outer contour of the damping part 611. There are also 4 receiving positions 631. During installation, the damping part 611 is installed on the corresponding receiving position 631 to improve the positional reliability of the damping part 611, thereby improving the damping reliability and ensuring the damping effect.

[0114] It should be noted that the number of shock absorbers 611 can be 1, 2, 3, 4 or more, and can be increased or decreased according to actual needs, as long as the shock absorption effect is met and the overall rigidity of the scooter 10 is guaranteed. No specific restrictions are imposed here.

[0115] For example, the shock-absorbing part 611 can be at least one of a rubber part, a silicone part, and a shock-absorbing spring with a circular or other arbitrary cross-section, so as to ensure the shock absorption effect while keeping the cost low.

[0116] In some embodiments, such as Figure 7 As shown, the scooter 10 also includes a threaded connector 700. The fixing member 620 is detachably connected to the connecting arm 110 through the threaded connector 700. The connection method is simple, easy to implement, and low in cost.

[0117] In another example, the scooter 10 also includes a first magnetic component and a second magnetic component. The first magnetic component is disposed on the fixing component 620, and the second magnetic component is disposed on the connecting arm 110. The first magnetic component and the second magnetic component are magnetically attracted to each other to complete the installation. When disassembling, it is only necessary to apply a force greater than the magnetic attraction to the fixing component 620 to remove it. The disassembly and assembly are simple and do not require other disassembly and assembly tools, thereby reducing the disassembly and assembly costs.

[0118] In some other embodiments, the fastener 620 and the connecting arm 110 can also be detachably connected by a snap-fit ​​mechanism. For example, the fastener 620 is provided with a first snap-fit ​​portion, and the connecting arm 110 is provided with a second snap-fit ​​portion. The first snap-fit ​​portion and the second snap-fit ​​portion can snap-fit ​​or de-snap, thereby achieving a detachable connection, and the disassembly method is simple. For example, the first snap-fit ​​portion is one of a snap-fit ​​protrusion and a snap-fit ​​groove, and the second snap-fit ​​portion is the other of a snap-fit ​​protrusion and a snap-fit ​​groove. In this way, the difficulty of detaching the fastener 620 and the connecting arm 110 is reduced, making it easier for users to disassemble and thus improving the user experience.

[0119] In summary, the scooter provided in this application embodiment includes shock-absorbing units at both ends of the frame and between the scooter and at least one of the corresponding wheelsets. Each shock-absorbing unit includes a mounting sleeve, a bearing axle, a first shock-absorbing mechanism, and at least one second shock-absorbing mechanism. The mounting sleeve is connected to the rocker arm in the corresponding wheelset. The bearing axle passes through the mounting sleeve and extends along the width of the frame through the corresponding connecting arm. The first shock-absorbing mechanism is positioned between the peripheral wall of the bearing axle and the inner wall of the mounting sleeve. The second shock-absorbing mechanism includes a second shock absorber and a fixing member. The second shock absorber is located on one side of the first shock-absorbing mechanism and surrounds the outer periphery of the bearing axle. The fixing member is detachably connected to the outer side of the connecting arm. Vibrations from uneven road surfaces caused by the wheels are first damped by the first shock-absorbing mechanism before being transmitted to the load-bearing axle. The vibrations on the load-bearing axle are then damped by the second shock-absorbing component before being transmitted to the connecting arm. This two-stage damping between the wheel and the frame enhances the shock absorption effect and improves the user's riding comfort. In addition, since the fixing component and the connecting arm are detachably connected, the user can choose whether to add a second shock-absorbing component or select a second shock-absorbing component with a different damping stiffness. This makes the overall damping stiffness of the scooter adjustable to meet different damping needs. Finally, the fixing component is located on the outside of the connecting arm for easy installation and removal, improving the user's convenience.

[0120] It should be noted that the terms "one embodiment," "embodiment," "exemplary embodiment," "some embodiments," etc., mentioned in the specification indicate that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Moreover, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments, whether explicitly described or not, is within the knowledge scope of those skilled in the art.

[0121] Generally speaking, terms should be understood at least in part by their use in context. For example, at least in part by context, the term "one or more" as used in the text can be used to describe any feature, structure, or characteristic of the singular meaning, or a combination of features, structures, or characteristics of the plural meaning. Similarly, at least in part by context, terms such as "a" or "the" can also be understood to convey either singular or plural usage.

[0122] It should be readily understood that the terms “on,” “above,” and “on top of” in this application should be interpreted in the broadest possible sense, such that “on” means not only “directly on something” but also “on something” with an intermediate feature or layer therebetween, and that “above” or “on top of” means not only “on top of something” but also “on top of something” without an intermediate feature or layer therebetween (i.e., directly on something).

[0123] Furthermore, for ease of explanation, spatially relative terms such as "below," "below," "under," "above," and "above" may be used to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation other than those shown in the figures. The device may have other orientations (rotated 90° or in other orientations), and the spatially relative descriptive terms used herein may be interpreted accordingly.

[0124] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A scooter, characterized in that, include: The frame (100) has connecting arms (110) at both ends along the forward direction of the scooter; Two wheel sets (200) are respectively disposed at both ends of the frame (100). The wheel set (200) includes a wheel (210) and a rocker arm (220). The first end of the rocker arm (220) is connected to the axle of the wheel (210). At least one shock absorber unit is disposed between the frame (100) and at least one of the two wheel sets (200). The shock absorber unit includes a mounting sleeve (300), a bearing axle (400), a first shock absorber mechanism (500), and at least one second shock absorber mechanism (600). The mounting sleeve (300) is connected to the second end of the rocker arm (220) in the corresponding wheel set (200). The bearing axle (400) passes through the mounting sleeve (300) and extends along the width direction of the frame (100) through the corresponding connecting rod. The connecting arm (110) has a first shock-absorbing mechanism (500) disposed between the peripheral wall of the bearing shaft (400) and the inner wall of the mounting sleeve (300); the second shock-absorbing mechanism (600) includes a second shock-absorbing member (610) and a fixing member (620). The second shock-absorbing member (610) is located on one side of the first shock-absorbing mechanism (500) and surrounds the outer periphery of the bearing shaft (400). The fixing member (620) is detachably connected to the outside of the connecting arm (110) to fix the second shock-absorbing member (610).

2. The scooter according to claim 1, characterized in that, The connecting arm (110) includes a connecting body (111) and two connecting sub-arms (112). Along the width direction of the frame (100), the two connecting sub-arms (112) are connected to the two sides of the connecting body (111), and an installation space is formed between the two connecting sub-arms (112). Each of the two connecting sub-arms (112) has a mounting hole (1121) through which the bearing shaft (400) can pass. The mounting sleeve (300) is installed in the mounting space, and the two ends of the bearing shaft (400) passing through the mounting sleeve (300) are respectively inserted into the corresponding mounting holes (1121).

3. The scooter according to claim 2, characterized in that, The rocker arm (220) includes two sub-rocker arms (221), which are located on both sides of the corresponding wheel set (200). The first end of the two sub-rocker arms (221) is connected to the wheel axle of the wheel set (200), and the second end of the two sub-rocker arms (221) is connected to the corresponding mounting sleeve (300).

4. The scooter according to claim 2 or 3, characterized in that, The first damping mechanism (500) includes a first damping member (510), which is disposed between the peripheral wall of the bearing shaft (400) and the inner wall of the mounting sleeve (300).

5. The scooter according to claim 4, characterized in that, When the scooter is stationary, the first shock absorber (510) has a preload, while the second shock absorber (610) does not. When the scooter is in motion, both the first shock absorber (510) and the second shock absorber (610) have a preload.

6. The scooter according to claim 4, characterized in that, At least one of the inner wall of the mounting sleeve (300), the wall of the mounting hole (1121), and the fastener (620) has a mating portion (621) that matches the outer contour of the second damper (610), the outer contour of the second damper (610) being configured to mate with the mating portion (621).

7. The scooter according to claim 6, characterized in that, The second damping member (610) has at least two damping portions (611) arranged circumferentially along the bearing shaft (400), and the outer contours of the at least two damping portions (611) are configured to cooperate with the mating portion (621).

8. The scooter according to claim 7, characterized in that, At least two of the shock-absorbing parts (611) are connected in sequence to form an irregularly shaped socket, and the second shock-absorbing member (610) is sleeved on the bearing shaft (400) through the socket; or, At least two of the damping components (611) are independent of each other and are arranged at intervals along the circumference of the bearing shaft (400). The bearing shaft (400) has at least two mounting positions on its peripheral wall. At least two of the damping components (611) are respectively mounted on at least two of the mounting positions, wherein at least one of the damping components (611) is provided on each mounting position; or, At least two of the damping parts (611) are independent of each other; the second damping mechanism (600) further includes a damping block (630), which is sleeved on the bearing shaft (400). Along the circumference of the damping block (630), the peripheral wall of the damping block (630) has at least two accommodating positions (631) spaced apart. At least two of the damping parts (611) are respectively disposed on at least two of the accommodating positions (631), and one of the damping parts (611) is disposed on one of the accommodating positions (631).

9. The scooter according to claim 8, characterized in that, The second shock absorber (610) is located outside the connecting arm (110), the fixing member (620) has the mating part (621), and the second shock absorber (610) is fixed between the fixing member (620) and the connecting arm (110).

10. The scooter according to claim 7, characterized in that, The damping part (611) is at least one of the damping protrusions or columnar structures with a cross-section of at least one of a circle, an ellipse, a quadrilateral, and a polygon; the mating part (621) is a mating groove that matches the damping part (611).

11. The scooter according to claim 7, characterized in that, The second damping element (610) is at least one of a rubber element, a silicone element, and a damping spring; and / or, It also includes a threaded connector, through which the fixing member (620) is detachably connected to the connecting arm (110); or, It also includes a first magnetic component and a second magnetic component, the first magnetic component being disposed on the fixing member (620), and the second magnetic component being disposed on the connecting arm (110), the first magnetic component and the second magnetic component being magnetically attracted to each other; or, The fastener (620) is provided with a first engaging portion, and the connecting arm (110) is provided with a second engaging portion, wherein the first engaging portion is configured to engage with the second engaging portion; and / or, The first shock absorber (510) is a shock absorber cylinder, which is sleeved on the bearing shaft (400).

12. The scooter according to claim 4, characterized in that, The mounting sleeve (300) is welded, threaded, or snap-fitted to the rocker arm (220); or, The mounting sleeve (300) and the rocker arm (220) are an integral structure; and / or, The first damping mechanism (500) further includes a fastening ring (520), which surrounds the outer peripheral wall of the first damping member (510).

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