Scooter

Abstract

The present application discloses a scooter. The scooter comprises: a frame; joint assemblies each comprising a first joint and a second joint, wherein the first joint is hingedly connected to the second joint, and the second joint is fixed to the frame; a handlebar assembly fixed to the first joints, wherein the handlebar assembly rotates relative to the frame by means of rotation of the first joints and the second joints, the handlebar assembly serves as a backrest of the scooter when the handlebar assembly rotates in a first direction and serves as a push armrest of the scooter when the handlebar assembly rotates in a second direction, the first direction is the advancing direction of the scooter, and the first direction is opposite to the second direction; and brake assemblies that each have an upper end fixed to the handle assembly and a lower end provided on the frame of the scooter and are located above wheels of the scooter, wherein the brake assemblies are used for moving towards the wheels when the handlebar assembly rotates in the first direction, so as to brake the wheels. Therefore, the present application can realize the function of a backrest and the function of parking at the same time by operating the handlebar assembly, and the operation is simple and convenient.

Description

A mobility scooter Technical Field

[0001] The present application relates to the technical field of mobility scooters, and in particular to a mobility scooter. Background Art

[0002] With the aging population in my country, many elderly people with mobility commuting difficulties rely on mobility scooters for transportation. When pushing a scooter, the elderly can hold onto the handlebars. When not using the scooter, the handlebars can be flipped over to serve as a backrest, allowing the elderly to rest. To improve the scooter's stability during rest, the brakes are typically applied via a brake assembly. However, current scooters have independently designed brake assemblies, requiring the elderly to operate the brake assembly after flipping the handlebars to park the vehicle. This complicated operation presents a very unpleasant experience, particularly for elderly people with mobility issues. Summary of the Invention

[0003] Based on this, it is necessary to provide a scooter to address the above technical problems, which can achieve the braking function by rotating the handlebar assembly, and the operation is simple and convenient.

[0004] In a first aspect, the present application provides a mobility scooter, comprising:

[0005] Frame;

[0006] The joint assembly includes a first joint and a second joint, wherein the first joint is hinged to the second joint, and the second joint is fixed to the frame;

[0007] a handle assembly fixed to the first joint, the handle assembly rotating relative to the vehicle frame through rotation of the first joint and the second joint, the handle assembly serving as a backrest of the vehicle when rotating in a first direction, and serving as a push handle of the vehicle when rotating in a second direction, wherein the first direction is a forward direction of the vehicle, and the first direction is opposite to the second direction;

[0008] The brake assembly has an upper end fixed to the handle assembly and a lower end arranged on the frame of the scooter and located above the wheel of the scooter. The brake assembly is used to move toward the wheel to brake the wheel when the handle assembly is rotated in the first direction.

[0009] In one embodiment, the brake assembly includes:

[0010] a brake connector, fixed to the vehicle frame and located above the wheel, wherein a receiving cavity is provided inside the brake connector;

[0011] A brake component is disposed in the accommodating cavity, and the brake component is movably connected to the brake connecting component;

[0012] a brake line, wherein the lower end of the brake line is fixed to the brake connector, and the upper end of the brake line is fixed to the handlebar assembly;

[0013] a brake cable jacket, which is sleeved over the brake cable, wherein the lower end of the brake cable jacket is fixed to the brake member, and the upper end of the brake cable jacket is limited to the vehicle frame, and the brake cable and the brake cable jacket move relative to each other under a preset force;

[0014] When the handle assembly rotates in the first direction to pull the upper end of the brake cable, the lower end of the brake cable sleeve provides a downward force on the brake component, causing the brake component to move downward relative to the brake connecting component and act on the wheel.

[0015] In one embodiment, the brake assembly includes:

[0016] a first brake elastic member, sleeved on the brake cable outer sleeve;

[0017] an elastic member limiting block, fixed to the vehicle frame and abutting against the upper end of the first brake elastic member;

[0018] A bolt connector is sleeved on the outer sleeve of the brake cable, and the lower end of the first brake elastic member is fixed on the bolt connector;

[0019] When the handle assembly rotates in the first direction to pull the upper end of the brake line, the first brake elastic member is compressed, and its lower end provides a downward force to the brake line housing, causing the brake line housing to move downward, providing a downward force to the brake member.

[0020] In one embodiment, the brake assembly further includes a second brake elastic member, which is disposed in the accommodating cavity, wherein the lower end of the second brake elastic member abuts against the brake connecting member, and the upper end of the second brake elastic member abuts against the brake member. When the upper end of the brake line is pulled so that the brake member moves downward relative to the brake connecting member, the second brake elastic member is in a compressed state. When the pulling of the upper end of the brake line is canceled, the brake member is reset under the action of the restoring force of the second brake elastic member.

[0021] In one embodiment, the second brake elastic members include two, which are respectively disposed on both sides of the brake member.

[0022] In one embodiment, the accommodating chamber includes a first accommodating chamber and a second accommodating chamber located on both sides, and a third accommodating chamber arranged in the middle. The lower ends of the two second brake elastic members are respectively arranged in the first accommodating chamber and the second accommodating chamber, and the brake member is arranged in the third accommodating chamber.

[0023] In one embodiment, the brake connecting member is provided with a protruding first fixing portion in the third accommodating cavity, and the brake line is fixed to the first fixing portion.

[0024] In one embodiment, the brake component includes a second fixing portion and an insertion portion, the insertion portion is at least partially inserted into the third accommodating cavity, and the insertion portion has a slide groove, the first fixing portion is inserted in the slide groove, the second fixing portion is arranged above the insertion portion, and a fourth accommodating cavity and a fifth accommodating cavity are respectively provided on both sides of the second fixing portion, and the upper ends of the two second brake elastic components are respectively provided in the fourth accommodating cavity and the fifth accommodating cavity.

[0025] In one embodiment, a fixing groove and a wire groove are provided in the middle of the second fixing portion, the fixing groove is used to fix the brake wire jacket, and the wire groove is used to accommodate the brake wire.

[0026] In one embodiment, the first fixing portion includes a sixth accommodating cavity, and the sixth accommodating cavity is used to accommodate the fixing head of the brake cable, wherein the sixth accommodating cavity is provided with a first opening and a second opening, the first opening is aligned with the cable groove, the second opening is connected to the first opening, and the size of the fixing head is larger than the size of the first opening.

[0027] In one embodiment, the first joint includes a receiving slot, and the handle assembly further includes:

[0028] an armrest tube, fixed to the first joint, and provided for a user to rotate the handle assembly;

[0029] a brake handle, the brake handle being movably assembled at the first joint from the opening of the receiving slot, the receiving slot gradually expanding toward the opening, the brake handle being able to slide upward along the upper slot wall of the receiving slot under an upward pulling force, or being able to slide downward along the lower slot wall of the receiving slot under a downward pressing force;

[0030] The handlebar elastic member has two ends respectively connected to the brake handlebar and the first joint. When the brake handlebar slides upward or downward, the handlebar elastic member is in a stretched state. When the pulling force or the pressing force is released, the handlebar elastic member resets the brake handlebar.

[0031] In one embodiment, the brake handle comprises:

[0032] A handle body, provided for the user to operate;

[0033] A fixing portion is connected to the handle body and is movably assembled in the accommodating groove, wherein the fixing portion is tangent to the upper groove wall and the lower groove wall of the accommodating groove.

[0034] In one embodiment, the joint assembly comprises:

[0035] A knob comprising a knob body and a locking portion, wherein the locking portion passes through the first joint and the second joint, and the knob body is disposed outside the second joint and is provided for the user to rotate;

[0036] The user rotates the rotating body so that the locking portion locks or unlocks the first joint and the second joint.

[0037] In one embodiment, the joint assembly comprises:

[0038] A joint elastic member is provided between the first joint and the second joint, and the locking portion passes through the second joint, the joint elastic member and the first joint in sequence;

[0039] When the locking portion locks the first joint and the second joint, the joint elastic member is in a compressed state; when the locking portion unlocks the first joint and the second joint, the joint elastic member returns to its original state.

[0040] In one embodiment, the first joint and the second joint are respectively provided with engaging teeth.

[0041] The above describes a mobility scooter, which includes: a frame; a joint assembly, including a first joint and a second joint, wherein the first joint is hinged to the second joint, and the second joint is fixed to the frame; a handle assembly, which is fixed to the first joint, and the handle assembly rotates relative to the frame through the rotation of the first joint and the second joint, and the handle assembly serves as a backrest for the mobility scooter when it rotates in a first direction, and serves as a push handle for the mobility scooter when it rotates in a second direction, wherein the first direction is the forward direction of the mobility scooter, and the first direction is opposite to the second direction; a brake assembly, the upper end of which is fixed to the handle assembly, and the lower end is arranged on the frame of the mobility scooter and is located above the wheel of the mobility scooter, and the brake assembly is used to move in the direction of the wheel when the handle assembly rotates in the first direction to brake the wheel. Therefore, the present application can simultaneously realize the functions of backrest and parking by operating the handle assembly, and the operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] FIG1 is a schematic structural diagram of a mobility scooter provided in an embodiment of the present application;

[0043] FIG2 is a schematic structural diagram of a mobility scooter in a disassembled state provided by an embodiment of the present application;

[0044] FIG3 is a schematic cross-sectional view of a portion of the structure of the mobility scooter;

[0045] FIG4 is an enlarged schematic diagram of the structure of area A of the mobility scooter shown in FIG3 ;

[0046] FIG5 is a schematic diagram of a brake assembly and a frame of a mobility scooter provided by the present application in an exploded state;

[0047] FIG6 is a schematic structural diagram of the brake assembly in an exploded state;

[0048] Figure 7 is a schematic structural diagram of a brake connector;

[0049] FIG8 is a cross-sectional schematic diagram of a brake line and a brake line jacket;

[0050] FIG9 is a schematic structural diagram of the assembly of the fixing portion and the brake line in an embodiment of the present application.

[0051] The reference numerals in the embodiments of the present application are described as follows:

[0052] Scooter 10, frame 11, handlebar assembly 12, seat assembly 13, brake assembly 14, handlebar assembly 15, front frame 111, rear frame 112, front wheel 113, rear wheel 114, cross tubes 115 and 119, first joint 151, second joint 152, brake connector 141, brake component 142, brake cable 143, brake cable housing 144, accommodating chamber 1410, cable body 1431, fixing heads 1432 and 1433, bolt connector 147, fixing component 1434, brake elastic component 148, first accommodating chamber 1411, second accommodating chamber 1412, third accommodating chamber 1413, first fixing portion 1414, second fixing portion 1421, insertion portion 1422, slide groove 1423, fixing groove 1426, cable groove 1427, sixth accommodating chamber 1415, first opening 1416, second opening 1417, brake elastic member 145, elastic member limit block 146, handrail tube 1211, tube sleeve 1212, brake handle 1213, fixing pin 1200, accommodating groove 1511, opening 1512, handle body 1214, fixing portion 1215, cover plate 1201, fixing screw 1202, wire groove 1216, fixing groove 1217, handle elastic member 123, protrusions 1218 and 1515, upper groove wall 1513, lower groove wall 1514, first joint 151, second joint 152, knob 153, knob body 1531, locking portion 1532, joint elastic member 154, engaging teeth 155, wire groove 1229, frame tube 117, pipe plug 118, positioning hole 1171, and engaging portion 1181. Modes for Carrying Out the Invention

[0053] In order to make the purpose, technical solutions and advantages of this application more clear, the following further describes this application in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0054] Please refer to Figures 1, 2, and 5. Figure 1 is a schematic diagram of the structure of a mobility scooter provided by the present application, Figure 2 is a schematic diagram of the structure of a mobility scooter provided by an embodiment of the present application in a disassembled state, and Figure 5 is a schematic diagram of the brake assembly and frame of a mobility scooter provided by the present application in a disassembled state. As shown in Figures 1, 2, and 5, the mobility scooter 10 includes a frame 11, a handlebar assembly 12, a seat assembly 13, a brake assembly 14, and a joint assembly 15.

[0055] The frame 11 includes a front frame 111, a rear frame 112, a front wheel 113 corresponding to the front frame 111, and a rear wheel 114 corresponding to the rear frame 112. The front frame 111 and the rear frame 112 are respectively provided with cross tubes 119 and 115, which are used to carry the seat assembly 13.

[0056] The joint assembly 15 includes a first joint 151 and a second joint 152. The first joint 151 and the second joint 152 are hingedly connected, and the second joint 152 is fixed to the frame 11. In other words, the first joint 151 and the second joint 152 can rotate relative to each other.

[0057] The handle assembly 12 is provided for user rotational operation. The handle assembly 12 is assembled to and fixed to the first joint 151. The handle assembly 12 rotates relative to the vehicle frame 11 through the rotation of the first joint 151 and the second joint 152. The handle assembly 12 serves as a backrest for the mobility scooter 10 when rotated in a first direction, and serves as a push handle for the mobility scooter 10 when rotated in a second direction. The first direction is the forward direction of the mobility scooter 10, and the second direction is the rearward direction of the mobility scooter 10. The first direction is opposite to the second direction.

[0058] The upper end of the brake assembly 14 is fixed to the handlebar assembly 12, and the lower end of the brake assembly 14 is arranged on the frame 11 of the mobility scooter 10 and is located above the wheel of the mobility scooter 10. The brake assembly 14 is used to move toward the direction of the wheel to brake the wheel when the handlebar assembly 12 is rotated in the first direction. In one embodiment, the brake assembly 14 can be arranged on the rear frame 112 and located above the rear wheel 114, that is, when the handlebar assembly 12 is rotated in the first direction, the brake assembly 14 brakes the rear wheel 114 to prevent the rear wheel 114 from rotating. The upper end and lower end mentioned above are the upper and lower positions in the spatial structure when the mobility scooter 10 is placed upright, such as in the direction shown in FIG1 , and the upper end and lower end described below have the same meaning.

[0059] Therefore, the present application can simultaneously realize the backrest and parking functions by rotating the operating handle assembly 12, for example, rotating it in the first direction, and the operation is simple and convenient.

[0060] Please refer to Figures 6 and 7 , Figure 6 is a schematic diagram of the brake assembly in an exploded state, and Figure 7 is a schematic diagram of the brake connector. The brake assembly 14 includes a brake connector 141 , a brake member 142 , a brake cable 143 , and a brake cable jacket 144 .

[0061] The brake connector 141 is fixed on the frame 11 and located above the wheel, specifically fixed on the rear frame 112 and located above the rear wheel 114 . An accommodating cavity 1410 is provided inside the brake connector 141 .

[0062] The brake member 142 is disposed in the accommodating cavity 1410 and is movably connected to the brake connector 141, that is, the brake member 142 can move relative to the brake connector 141. Since the brake member 142 is disposed in the accommodating cavity 1410, the structure of the brake assembly 14 is more compact and beautiful.

[0063] The lower end of the brake cable 143 is fixed to the brake connector 141, and the upper end of the brake cable 143 is fixed to the handlebar assembly 12. A brake cable jacket 144 is sleeved over the brake cable 143. The lower end of the brake cable jacket 144 is fixed to the brake member 142, and the upper end of the brake cable jacket 144 is restrained on the vehicle frame 11. The brake cable 143 and the brake cable jacket 144 are movable relative to each other under a predetermined force. In other words, the sleeve relationship between the brake cable 143 and the brake cable jacket 144 is not completely fixed and can move relative to each other under a predetermined force. Therefore, when the brake cable 143 moves, the brake cable jacket 144 moves with it. However, when the brake cable jacket 144 is fixed, the brake cable 143 can also move relative to the brake cable jacket 144.

[0064] In actual use, when the user rotates the handlebar assembly 12 in the first direction, thereby pulling the upper end of the brake cable 143, the brake cable 143 is pulled outward. Since the upper end of the brake cable housing 144 is restrained on the vehicle frame 11, its lower end exerts a counteracting force, i.e., a downward force, on the brake member 142, causing the brake member 142 to move outward from the brake connector 141, i.e., downward relative to the brake connector 141. This acts on the wheel, preventing the wheel, such as the rear wheel 114, from rotating, thereby achieving the braking effect. It is noteworthy that the length of the brake cable housing 144 between the position where it is restrained by the rear frame 112 and the position where it is fixed on the brake member 142 is not less than the distance the brake member 142 moves outward from the brake connector 141. In other words, the brake cable housing 144 is curved between the position where it is restrained by the rear frame 112 and the position where it is fixed on the brake member 142. Similarly, the brake cable 143 disposed within the brake cable housing 144 is also curved. When the upper end of the brake wire 143 is pulled by the user, the brake wire housing 144 is provided with a downward reaction force due to the upper end limit, so that the lower end of the brake wire housing 144 pushes the brake member 142 to move downward relative to the brake connector 141.

[0065] Please refer to Figure 8 as well. Figure 8 is a cross-sectional schematic diagram of the brake line 143 and the brake line jacket 144, specifically a cross-sectional schematic diagram along its length direction. The brake line 143 includes a line body 1431 and fixing heads 1432 and 1433 respectively arranged at both ends of the line body 1431. Among them, the size of the fixing heads 1432 and 1433 is larger than the size of the line body 1431. The brake line 143 is fixed to the handlebar assembly 12 and the brake connector 141 by the fixing heads 1432 and 1433 respectively. The brake line jacket 144 is sleeved on the outside of the brake line 143. A bolt connector 147 is further sleeved on the outside of the brake line jacket 144. The brake assembly 14 also includes a fixing member 1434, which is arranged at the lower end of the brake line jacket 144 near the fixing head 1433. The fixing member 1434 can be a sleeve. The state shown in Figure 8 is that the brake wire 143 moves upward relative to the brake wire sleeve 144, so that the fixed head 1433 of the brake wire 143 abuts against the copper sleeve. It should be understood that when in use, the fixed heads at both ends of the brake wire 143 can be pulled according to actual conditions to facilitate corresponding assembly.

[0066] Please refer to Figure 6 again. The brake assembly 14 also includes a brake elastic member 148. The brake elastic member 148 is arranged in the accommodating cavity 1410. The lower end of the brake elastic member 148 abuts against the brake connecting member 141, and the upper end of the brake elastic member 148 abuts against the brake member 142. When the user pulls the upper end of the brake line 143, so that the brake member 142 moves downward relative to the brake connecting member 141, the brake elastic member 148 is in a compressed state. When the user stops pulling the upper end of the brake line 143, the brake member 142 is reset under the action of the restoring force of the brake elastic member 148.

[0067] In one embodiment, two brake elastic members 148 are provided, one on each side of the brake member 142. The use of two brake elastic members 148 on either side of the brake member 142 can make the movement of the brake member 142, such as during braking or resetting, smoother. The brake elastic member 148 can be a spring.

[0068] In one embodiment, the accommodating chamber 1410 includes a first accommodating chamber 1411 and a second accommodating chamber 1412 located on both sides, and a third accommodating chamber 1413 disposed in the middle. One end of two brake elastic members 148 is disposed in the first accommodating chamber 1411 and the second accommodating chamber 1412, respectively, and the brake member 142 is disposed in the third accommodating chamber 1413.

[0069] The brake connector 141 is provided with a raised first fixing portion 1414 within the third accommodating cavity 1413, and the brake cable 143 is fixed to the first fixing portion 1414. Specifically, the brake component 142 includes a second fixing portion 1421 and an insertion portion 1422. The insertion portion 1422 is at least partially inserted into the third accommodating cavity 1413 and defines a slide groove 1423, into which the first fixing portion 1414 is inserted. When the brake component 142 moves downward relative to the brake connector 141, or when the brake component 142 moves upward relative to the brake connector 141 under the elastic restoring force of the brake elastic member 148, the first fixing portion 1414 in the slide groove 1423 restrains the brake component 142. The second fixing portion 1421 is provided above the insertion portion 1422 and can be integrally formed with the insertion portion 1422. A fourth accommodating cavity 1424 and a fifth accommodating cavity 1425 are respectively disposed on both sides of the second fixing portion 1421 , and upper ends of the two braking elastic members 148 are respectively disposed in the fourth accommodating cavity 1424 and the fifth accommodating cavity 1425 .

[0070] A fixing groove 1426 and a wire groove 1427 are provided in the middle of the second fixing portion 1421. The fixing groove 1426 is used to fix the brake cable housing 144. Specifically, the brake cable housing 144 can be fixed in the fixing groove 1426 by a copper sleeve fixing member 1434. The wire groove 1427 is used to accommodate the brake cable 143.

[0071] The first fixing portion 1414 includes a sixth accommodating cavity 1415 for accommodating the fixing head 1433 of the brake cable 143. The sixth accommodating cavity 1415 is provided with a first opening 1416 and a second opening 1417. The first opening 1416 is aligned with the cable groove 1427, and the second opening 1417 is connected to the first opening 1416. The fixing head 1433 of the brake cable 143 is installed in the sixth accommodating cavity 1415 through the second opening 1417. The wire body 1431 of the brake cable 143 extends from the first opening 1416 and is accommodated in the cable groove 1427. The size of the fixing head 1433 is larger than that of the first opening 1416, so that the fixing head 1433 can be retained in the sixth accommodating cavity 1415.

[0072] Please refer again to Figures 2 and 3. Figure 3 is a schematic cross-sectional view of a portion of the structure of the mobility scooter 10. The brake assembly 14 also includes a brake elastic member 145 and an elastic member stopper 146. The brake elastic member 145 is mounted on the brake cable housing 144, specifically on the upper end of the brake cable housing 144. The elastic member stopper 146 is fixed to the vehicle frame 11 and abuts against the upper end of the brake elastic member 145. The lower end of the brake elastic member 145 is fixed to a bolt connector 147. When the user rotates the handle assembly 12 in a first direction, thereby pulling the upper end of the brake cable 143 and causing the brake cable 143 to move upward, the brake elastic member 145, which is mounted on the outer surface of the brake cable housing 144, is compressed, generating a downward elastic restoring force. This restoring force acts on the brake cable housing 144. Specifically, the lower end of the brake elastic member 145 applies a downward reaction force to the brake cable housing 144, causing the brake cable housing 144 to move downward. The lower end of the brake cable housing 144 acts on the brake member 142, causing the brake member 142 to move downward, thereby preventing the rear wheel 114 from rotating and achieving the purpose of braking or parking. Specifically, the brake elastic member 145 provides a reverse force to the brake cable housing 144, restricting the brake cable housing 144 from moving upward along with the brake cable 143, thereby limiting the position of the brake cable housing 144. The brake elastic member 145 can be a spring.

[0073] It is worth noting that in other embodiments, the brake elastic member 145 can also be omitted, and the upper end of the brake cable housing 144 can directly abut the elastic member limit block 146. When the user rotates the handle assembly 12 to drive the brake cable 143 to move upward, the elastic member limit block 146 limits the upper end of the brake cable housing 144, so that the lower end of the brake cable housing 144 also provides a downward reaction force to the brake member 142, pushing the brake member 142 to move downward, engaging the rear wheel 114, and achieving the purpose of braking.

[0074] Referring again to Figure 2 , the handlebar assembly 12 includes a handrail tube 1211, a sleeve 1212, and a brake handle 1213. The sleeve 1212 is mounted on the outer surface of the handrail tube 1211. The handrail tube 1211 can be made of a rigid material to enhance the connection stability of the handrail tube 1211, while the sleeve 1212 can be made of a flexible material, such as plastic, to enhance the user's grip. After being mounted on the outer surface of the handrail tube 1211, the sleeve 1212 is assembled with the first joint 151 and secured via the fixing pin 1200.

[0075] Referring also to Figure 4 , the first joint 151 includes a receiving slot 1511 that gradually expands toward the opening 1512, forming a figure eight shape. The brake handle 1213 is movably mounted on the first joint 151 through the opening 1512 of the receiving slot 1511. The brake handle 1213 can slide upward along the upper slot wall 1513 of the receiving slot 1511 under an upward pulling force, or can slide downward along the lower slot wall 1514 of the receiving slot 1511 under a downward pressing force.

[0076] The handle assembly 12 also includes a handle elastic member 123, the ends of which respectively connect the brake handle 1213 and the first joint 151. When the brake handle 1213 slides upward or downward, the handle elastic member 123 is in a stretched state. When the pulling force or the pressing force is released, the handle elastic member 123 resets the brake handle 1213. The handle elastic member 123 can be a spring.

[0077] The brake handle 1213 includes a handle body 1214 and a fixing portion 1215. The handle body 1214 is provided for user operation, such as pulling upward or pressing downward. The fixing portion 1215 is connected to the handle body 1214 and is movably assembled in the accommodating cavity 1511. A protrusion 1218 is further provided on the fixing portion 1215 of the brake handle 1213. The protrusion 1515 is also provided on the first joint 151. The two ends of the handle elastic member 123 are respectively fixed to the protrusions 1218 and 1515. The fixing portion 1215 is tangent to the upper and lower groove walls 1513 and 1514 of the accommodating groove 1511 and can slide relative to the upper and lower groove walls 1513 and 1514. Furthermore, it is covered by a cover plate 1201 and fixing screws 1202. The fixing portion 1215 is used to secure the brake cable 143. Specifically, the brake cable 143 is fixed in the fixing portion 1215 and can be fixed by snapping. Please refer to Figure 9 for details. Figure 9 is a structural schematic diagram of the assembly of the fixing portion 1215 and the brake cable 143 in the embodiment of the present application. The fixing portion 1215 is provided with a wire groove 1216 and a fixing groove 1217. The wire body 1431 of the brake cable 143 is accommodated in the wire groove 1216, and the fixing head 1432 of the brake cable 143 is accommodated in the fixing groove 1217. The size of the fixing head 1432 is larger than the size of the wire groove 1216, so that the fixing head 1432 can be stably fixed in the fixing groove 1217. The first joint 151 is fixed to the handrail tube 1211 and the pipe sleeve 1212 of the handrail assembly 12. When the user rotates the handrail tube 1211 and the pipe sleeve 1212 of the handle assembly 12, the first joint 151 rotates accordingly, thereby pulling the brake cable 143.

[0078] Referring again to Figure 2 , the joint assembly 15 also includes a knob 153. The knob 153 includes a knob body 1531 and a locking portion 1532. The locking portion 1532 passes through the first joint 151 and the second joint 152. The knob body 1531 is disposed outside the second joint 152 and is provided for the user to rotate. The locking portion 1532 is a screw that is used to secure the first joint 151 and the second joint 152. The user rotates the knob body 1531 to lock or unlock the first joint 151 and the second joint 152.

[0079] The joint assembly 15 also includes a joint elastic member 154, which is disposed between the first joint 151 and the second joint 152. A locking portion 1532 extends sequentially through the second joint 152, the joint elastic member 154, and the first joint 151. When the knob 153 locks the first and second joints 151, 152, the joint elastic member 154 is compressed. When the knob 153 unlocks the first and second joints 151, 152, the joint elastic member 154 returns to its original state. The knob 153 is the actuator that locks or unlocks the joint assembly 15.

[0080] The first joint 151 and the second joint 152 are each provided with engaging teeth 155. The first joint 151 and the second joint 152 can rotate 180 degrees relative to each other. In actual use, the second joint 152 can be fixed, while the first joint 151 can rotate 180 degrees. When the user operates the handle assembly 12, the first joint 151 can rotate toward the second direction (i.e., rearward) of the scooter 10 or toward the first direction (i.e., forward) of the scooter 10. The engaging teeth 155 of the first joint 151 and the second joint 152 can be configured so that each rotation of the engaging teeth 155 of the first joint 151 results in a 9-degree rotation. That is, the first joint 151 can rotate 9 degrees per increment within a 180-degree range, and each increment can be fixed. After rotating 180 degrees in the forward direction, the brake assembly 14 automatically enters the braking state.

[0081] The first joint 151 is further provided with a wire groove 1516 , and the brake wire housing 144 is received in the wire groove 1516 .

[0082] The vehicle frame 11 includes a frame tube 117 and a pipe plug 118. The frame tube 117 is provided with multiple positioning holes 1171 and is fixed to the wheel at its lower end. The pipe plug 118 is fixed to the second joint 152 and has a raised engaging portion 1181. The engaging portion 1181 cooperates with various positioning holes 1171 to adjust the height of the mobility scooter 10 within a predetermined range.

[0083] After extending from the wire groove 1516 , the brake wire sleeve 144 is sequentially passed through the second joint 152 , the pipe plug 118 , and the frame pipe 117 , and then fixed to the brake component 142 .

[0084] Based on the structure of the mobility scooter 10 described above, the actual usage of the mobility scooter 10 is described below.

[0085] To use the brake function of the handlebar assembly 12, first rotate the knob 153 in one direction, such as the second direction (i.e., the rearward direction of the scooter 10), to disengage the engaging teeth 155 of the first and second joints 151, 152. When the engaging teeth 155 are disengaged and unlocked, the first joint 151 can rotate freely within 180 degrees, with each rotation being 9 degrees. When the handlebar assembly 12 is rotated 180 degrees in the forward direction of the scooter 10, it functions as a backrest. The first joint 151 rotates 180 degrees relative to the second joint 152. The fixed portion 1215 of the brake handle 1213 in the handlebar assembly 12 drives the brake cable 143 to rotate along the cable groove 1516 of the first joint 151. At this time, the elastic member stopper 146 presses against the brake elastic member 145, compressing the brake elastic member 145. The compressed brake elastic member 145 exerts a reaction force on the brake cable housing 144, causing the brake cable housing 144 to move downward, acting on the brake member 142. The downward movement of the brake member 142 blocks the rear wheel 114, preventing the rear wheel 114 from rotating. This is equivalent to pulling the brake cable 143 upward, achieving the automatic parking function.

[0086] When the handle assembly 12 rotates to reset, the compressed brake elastic member 145 also resets (i.e., rebounds), generating a rebound force that pushes the brake cable 143 and resets the handle assembly 12, creating an automatic reset function. Furthermore, when the brake elastic member 145 resets the handle assembly 12, the elastic force exerts a downward force on the fixing portion 1215. This force acts on the brake cable 143 on the fixing portion 1215, pulling the brake cable 143 downward, thereby preventing the brake cable 143 from getting stuck in the cable groove 1216 of the first joint 151.

[0087] After the handle assembly 12 is adjusted, the knob 153 is rotated in the forward direction of the scooter 10 to lock the first joint 151 relative to the second joint 152 with the engaging teeth 155. When the engaging teeth 155 are in the locked state, the first joint 151 cannot be rotated.

[0088] In summary, the embodiment of the present application provides a scooter, which includes: a frame; a joint assembly, including a first joint and a second joint, wherein the first joint is hinged to the second joint, and the second joint is fixed to the frame; a handle assembly, which is fixed to the first joint, and the handle assembly rotates relative to the frame through the rotation of the first joint and the second joint, and the handle assembly serves as a backrest for the scooter when it rotates in a first direction, and serves as a push handle for the scooter when it rotates in a second direction, wherein the first direction is the forward direction of the scooter, and the first direction is opposite to the second direction; a brake assembly, the upper end of which is fixed to the handle assembly, and the lower end is arranged on the frame of the scooter and is located above the wheel of the scooter, and the brake assembly is used to move in the direction of the wheel when the handle assembly rotates in the first direction to brake the wheel. Therefore, the present application can simultaneously realize the functions of backrest and parking by operating the handle assembly, and the operation is simple and convenient.

[0089] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0090] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present application shall be determined by the appended claims.

Claims

1. A mobility scooter, characterized in that, The scooter includes: A frame; A joint assembly including a first joint and a second joint, where the first joint is hinged to the second joint, and the second joint is fixed to the frame; A handle assembly fixed to the first joint. The handle assembly rotates relative to the frame by the rotation of the first joint and the second joint. When the handle assembly rotates in a first direction, it serves as the backrest of the scooter, and when it rotates in a second direction, it serves as the push handle of the scooter. Here, the first direction is the forward direction of the scooter, and the first direction is opposite to the second direction; A brake assembly, with its upper end fixed to the handle assembly and its lower end disposed on the frame of the scooter and above the wheels of the scooter. The brake assembly is configured to move towards the wheels when the handle assembly rotates in the first direction to brake the wheels.

2. The scooter according to claim 1, characterized in that, The brake assembly includes: A brake connecting piece fixed to the frame and above the wheels. An accommodation cavity is provided inside the brake connecting piece; A brake piece disposed in the accommodation cavity, and the brake piece is movably connected to the brake connecting piece; A brake wire, with its lower end fixed to the brake connecting piece and its upper end fixed to the handle assembly; A brake wire outer sleeve sleeved outside the brake wire. The lower end of the brake wire outer sleeve is fixed to the brake piece, and the upper end of the brake wire outer sleeve is limited on the frame. The brake wire and the brake wire outer sleeve move relative to each other under a preset acting force; Wherein, when the handle assembly rotates in the first direction to pull the upper end of the brake wire, the lower end of the brake wire outer sleeve provides a downward acting force on the brake piece, causing the brake piece to move downward relative to the brake connecting piece and act on the wheels.

3. The scooter according to claim 2, wherein The brake assembly further includes: A first brake elastic member sleeved on the brake wire outer sleeve; An elastic member limiting block fixed to the frame and abutting against the upper end of the first brake elastic member; A bolt connecting piece is sleeved on the brake wire outer sleeve, and the lower end of the first brake elastic member is fixed to the bolt connecting piece; Wherein, when the handle assembly rotates in the first direction to pull the upper end of the brake wire, the first brake elastic member is compressed, and its lower end provides a downward acting force on the brake wire outer sleeve, causing the brake wire outer sleeve to move downward and provide a downward acting force on the brake piece.

4. The scooter according to claim 2, wherein, The brake assembly further includes a second brake elastic member. The second brake elastic member is disposed in the accommodation cavity. The lower end of the second brake elastic member abuts against the brake connecting piece, and the upper end of the second brake elastic member abuts against the brake piece. When pulling the upper end of the brake wire to make the brake piece move downward relative to the brake connecting piece, the second brake elastic member is in a compressed state. When canceling the pulling of the upper end of the brake wire, the brake piece is reset under the restoring force of the second brake elastic member.

5. The scooter according to claim 4, wherein, There are two second brake elastic members, respectively disposed on both sides of the brake piece.

6. The scooter according to claim 5, characterized in that, The accommodation cavity includes a first accommodation cavity and a second accommodation cavity located on both sides, and a third accommodation cavity provided in the middle. The lower ends of the two second brake elastic members are respectively arranged in the first accommodation cavity and the second accommodation cavity, and the brake member is arranged in the third accommodation cavity.

7. The scooter according to claim 6, wherein, The brake connecting member is provided with a protruding first fixing portion in the third accommodation cavity, and the brake wire is fixed to the first fixing portion.

8. The scooter according to claim 7, wherein The brake member includes a second fixing portion and an insertion portion. The insertion portion is at least partially inserted into the third accommodation cavity, and a chute is formed in the insertion portion. The first fixing portion is inserted into the chute. The second fixing portion is arranged above the insertion portion. A fourth accommodation cavity and a fifth accommodation cavity are respectively arranged on both sides of the second fixing portion. The upper ends of the two second brake elastic members are respectively arranged in the fourth accommodation cavity and the fifth accommodation cavity.

9. The scooter according to claim 8, wherein, A fixing groove and a wire groove are arranged at the middle position of the second fixing portion. The fixing groove is used for fixing the brake wire outer sleeve, and the wire groove is used for accommodating the brake wire.

10. The scooter according to claim 9, characterized in that, The first fixing portion includes a sixth accommodation cavity for accommodating the fixing head of the brake wire. The sixth accommodation cavity is provided with a first opening and a second opening. The first opening is aligned with the wire groove, and the second opening is communicated with the first opening. The size of the fixing head is larger than the size of the first opening.

11. The scooter according to claim 1, characterized in that, The first joint includes an accommodation groove, and the handle assembly further includes: A handrail tube fixed to the first joint for the user to rotate the handle assembly; A brake handle that is movably assembled to the first joint from the opening of the accommodation groove. The accommodation groove gradually expands in the direction of the opening. The brake handle can slide upward along the upper groove wall of the accommodation groove under an upward pulling force, or can slide downward along the lower groove wall of the accommodation groove under a downward pressing force; A handle elastic member with two ends respectively connected to the brake handle and the first joint. When the brake handle slides upward or downward, the handle elastic member is in a stretched state. When the pulling force or the pressing force is released, the handle elastic member resets the brake handle.

12. The scooter according to claim 11, wherein, The brake handle includes: A handle main body for the user to operate; A fixing portion connected to the handle main body. The fixing portion is movably assembled to the accommodation groove, and the fixing portion is tangent to the upper groove wall and the lower groove wall of the accommodation groove.

13. The scooter according to claim 1, characterized in that, The joint assembly includes: A knob. The knob includes a knob main body and a locking portion. The locking portion passes through the first joint and the second joint. The knob main body is arranged outside the second joint for the user to rotate; Wherein, the user locks or unlocks the first joint and the second joint by rotating the rotating main body.

14. The scooter according to claim 13, wherein, The joint assembly includes: A joint elastic member arranged between the first joint and the second joint. The locking portion sequentially passes through the second joint, the joint elastic member and the first joint; Wherein, when the locking portion locks the first joint and the second joint, the joint elastic member is in a compressed state, and when the locking portion unlocks the first joint and the second joint, the joint elastic member returns to its original state.

15. The scooter according to claim 1, characterized in that, The first joint and the second joint are respectively provided with engaging teeth.

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