Electric scooter

Abstract

The utility model relates to an electric scooter which comprises a frame chassis, a rear frame damping mechanism is arranged at the rear end of the frame chassis, two damping front wheels are arranged at the front end of the frame chassis, and a front rudder assembly, a seat assembly and a portable battery quick-release structure are arranged on the frame chassis. The front rudder assembly comprises a steering rod, a control box and heating handles installed at the two ends of the control box, the steering rod is installed on the frame chassis and is in transmission connection with the two damping front wheels, the steering rod is used for controlling steering of the two damping front wheels, the control box is fixed to the top end of the steering rod, and a displayer is arranged on the control box. The displayer is used for displaying the speed and the electric quantity of the electric scooter. The vehicle-mounted quick-release device has the battery quick-release function and the damping function at the same time, the battery can be conveniently replaced and charged, vibration generated by bumpy road surfaces in the running process of a vehicle body can be reduced, damage to the battery caused by vibration is avoided, and the convenience, safety and comfort of a driver during use are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric wheelchair technology field especially is related to a kind of electric scooter. BACKGROUND

[0002] Electric scooter is also called electric wheelchair, as the equipment of assisting movement of person with mobility impairment and disabled person, it is the necessary traffic tool of disabled person, its application range is very extensive, can be used in hospital, family, therefore its electrical performance, safety performance and electromagnetic compatibility are important.

[0003] In prior art, such as the Chinese patent application with publication number CN107174420A, it discloses an electric wheelchair, including vehicle body and seat assembled on vehicle body, the vehicle body includes base, wheel mounted on base and a containing box, the containing box is installed with battery, control panel;The wheel includes driving wheel and driven wheel, the base is provided with downward protruding column corresponding to driving wheel, each driving wheel is connected with base through wheel bracket assembly, the wheel bracket assembly includes fork and damping piece, one end of the fork is rotatably connected with column, the other end is connected with wheel shaft, one end of the damping piece is rotatably connected with base, the other end is rotatably connected with fork;The seat includes left and right split bodies that can be folded.

[0004] The prior art in the above has the following defects: the electric wheelchair in the above is similar to most electric wheelchairs on the market, both do not have the quick release function of battery and the damping function of frame at the same time, so whether from the angle of use convenience or from the angle of safety and driving comfort, it needs to be further improved. UTILITY MODEL CONTENT

[0005] In view of the deficiencies in the prior art, the utility model aims to provide an electric scooter, which has the functions of quick release of battery and damping at the same time, not only facilitates the replacement of battery and charging of battery, but also can reduce the vibration of vehicle body in the driving process due to road bumping, avoid damage to battery caused by vibration, and improve the convenience, safety and comfort of driver when using.

[0006] The above utility model of the utility model is realized through the following technical solutions:

[0007] An electric scooter, including frame chassis, the rear end of the frame chassis is provided with rear frame damping mechanism, the front end of the frame chassis is provided with two damping front wheels, the frame chassis is provided with front rudder assembly, seat assembly and portable battery quick release structure.

[0008] As a further technical scheme of the utility model: the front rudder subassembly includes steering lever, control box and heating handle installed at both ends of the control box, the steering lever is installed on the chassis and is in transmission connection with two shock absorber front wheels, the steering lever is used for controlling the steering of two shock absorber front wheels, the control box is fixed on the top end of the steering lever, the control box is provided with display, and the display is used for displaying the speed and power of the electric scooter.

[0009] As a further technical scheme of the utility model: the front end of the steering lever is detachably fixedly connected with the basket and the car light.

[0010] As a further technical scheme of the utility model: the seat assembly includes lifting column and seat, the bottom end of the lifting column is fixed on the chassis, and the top end of the lifting column is fixedly connected with the bottom surface center of the seat.

[0011] As a further technical scheme of the utility model: the seat includes seat surface, backrest and handle installed on both sides of the seat surface, the seat surface is fixed on the top end of the lifting column, and the backrest is installed on the rear side of the seat surface.

[0012] As a further technical scheme of the utility model: the rear frame shock absorbing mechanism includes rear frame, the rear frame is installed at the tail end of the chassis, a motor is installed on the rear frame, two shock absorber rear wheels are rotatably installed on both sides of the rear frame through bearings, the motor is used for driving the rotation of two shock absorber rear wheels, a shock absorbing support frame is detachably fixed on the rear frame, a rear frame joint for connecting the chassis is fixed on the shock absorbing support frame, a spring shock absorber is connected to the shock absorbing support frame, and one end of the spring shock absorber is connected to the rear frame.

[0013] As a further technical scheme of the utility model: the rear frame includes two support pipes, a straight pipe, two frame elbow pipes, a connecting pipe and a U-shaped pipe, the two support pipes are respectively installed on the bearings on the inner sides of the shock absorber rear wheels, the two ends of the straight pipe are respectively connected to the same end of the two support pipes, the straight pipe is horizontally arranged, the two ends of the U-shaped pipe are respectively connected to the other end of the two support pipes away from the straight pipe;

[0014] One end of the two frame elbow pipes is respectively connected to the top of one end of the support pipe close to the straight pipe, and the other end is respectively connected to the U-shaped pipe, and the two ends of the connecting pipe are respectively fixedly connected to the two frame elbow pipes.

[0015] As a further technical scheme of the utility model: the portable battery quick release structure includes a battery shell, the battery shell is installed on the chassis of the vehicle frame and is located below the seat assembly, two inclined surfaces are symmetrically arranged on the back of the battery shell, and a battery is detachably and fixedly connected to each of the two inclined surfaces.

[0016] As a further technical scheme of the utility model: a groove is arranged on the inclined surface, a clamping groove is arranged on the bottom surface of the groove, a male battery connector is arranged on the bottom of the clamping groove, and a positioning hole is arranged on the top of the clamping groove.

[0017] The area of one side of the battery is the same as the area of the groove, a clamping block matched with the clamping groove is integrally formed and fixedly connected to the side wall of the battery, a female battery connector matched with the male battery connector is arranged on the bottom of the clamping block, and a positioning block matched with the positioning hole is integrally formed and fixedly connected to the top of the clamping block.

[0018] As a further technical scheme of the utility model: storage boxes are arranged on the two sides of the battery shell, and the storage boxes are detachably and fixedly arranged on the chassis of the vehicle frame.

[0019] In summary, the utility model has at least one of the following beneficial technical effects:

[0020] 1. The utility model discloses an electric scooter, which is provided with a rear frame damping mechanism and a portable battery quick release structure on the vehicle frame, so that the electric scooter has the functions of quick battery release and damping, is convenient for replacing and charging the battery, can reduce the vibration of the vehicle body during driving due to road bumps, avoids damage to the battery caused by vibration, and improves the convenience, safety and comfort of the driver during use.

[0021] 2. The electric scooter of the utility model is driven by electricity, without the need for manual pushing, greatly reducing the physical burden of the user. Whether indoors or outdoors, the electric scooter can easily cope with various terrains, making long-distance travel or frequent movement possible and improving the convenience of travel.

[0022] 3. The electric scooter of the utility model is usually equipped with an advanced control system and safety device, such as a brake system and speed limit, effectively ensuring the safety of the user. In addition, the electric scooter also has an anti-overturning function, further improving the safety of use.

[0023] 4. The electric scooter of the utility model is driven by a motor, and the user only needs to simply operate the control lever to easily move in various terrains indoors and outdoors. This freedom not only reduces the burden of nursing staff, but also allows the user to independently determine the travel route, enjoy the fun of exploring the world, and improve the degree of travel freedom. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the whole structure schematic view of the utility model.

[0025] Figure 2 It is the front structure schematic view of the rear frame damping mechanism of the utility model.

[0026] Figure 3 It is the back structure schematic view of the rear frame damping mechanism of the utility model.

[0027] Figure 4 It is the whole structure schematic view of the portable battery quick release structure of the utility model.

[0028] Figure 5 It is the front explosion schematic view of the portable battery quick release structure of the utility model.

[0029] Figure 6 It is the reverse explosion schematic view of the portable battery quick release structure of the utility model.

[0030] Fig. 1, frame chassis; 11, non-slip plate; 12, fender; 121, non-slip convex; 2, rear frame damping mechanism; 21, rear frame; 211, support pipe; 212, straight pipe; 213, frame elbow pipe; 214, connecting pipe; 215, U-shaped pipe; 22, motor; 23, damping rear wheel; 24, damping support frame; 25, rear frame joint; 26, spring shock absorber; 27, mounting lug; 271, round hole; 272, waist-shaped hole; 28, anti-falling damping wheel; 3, damping front wheel; 4, front rudder assembly; 41, steering rod; 42, control box; 43, heating handle; 44, display; 45, basket; 5, seat assembly; 51, lifting column; 52, seat; 521, seat surface; 522, backrest; 523, handle; 6, portable battery quick release structure; 61, battery shell; 611, battery female connector; 612, fuse; 613, current protector; 614, lug plate; 615, second mounting hole; 616, storage box; 62, inclined plane; 621, groove; 622, clamping groove; 623, battery male connector; 624, positioning hole; 625, guide block; 626, limiting sliding groove; 627, arc surface; 63, battery; 631, clamping block; 632, battery female connector; 633, positioning block; 634, guide groove; 635, limiting sliding block; 64, storage cavity; 641, first mounting hole. DETAILED DESCRIPTION

[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described; obviously, the described embodiments are only a part of the embodiments of the present application, and not all the embodiments of the present application, and all other embodiments obtained by a person of ordinary skill in the art without creative work based on the embodiments in the present application shall fall within the scope of protection of the present application.

[0032] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For a person of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0034] Embodiment one:

[0035] Referring to Figure 1 The utility model discloses an electric scooter, including the chassis 1, the rear end of chassis 1 is provided with rear frame damping mechanism 2, the front end of chassis 1 is provided with two shock front wheels 3, be provided with front rudder subassembly 4, seat subassembly 5 and portable battery quick release structure 6 on chassis 1.

[0036] Referring to Figure 1 The front rudder subassembly 4 includes steering rod 41, control box 42 and heating handle 43 installed at both ends of control box 42, steering rod 41 is installed on chassis 1 and is transmission connection with two shock front wheels 3, and steering rod 41 is used to control the steering of two shock front wheels 3, control box 42 is fixed at the top end of steering rod 41, and display 44 is arranged on control box 42, and display 44 is used to display the speed and power of electric scooter. The front end of steering rod 41 is detachably fixedly connected with basket 45 and car light.

[0037] Referring to Figure 1The seat assembly 5 comprises a lifting column 51 and a seat 52, the bottom end of the lifting column 51 is fixed on the frame chassis 1, and the top end of the lifting column 51 is fixedly connected with the bottom center of the seat 52. The seat 52 comprises a seat surface 521, a backrest 522 and handles 523 installed on both sides of the seat surface 521, the seat surface 521 is fixed on the top end of the lifting column 51, and the backrest 522 is installed on the rear side of the seat surface 521.

[0038] Referring to Figure 1 The frame chassis 1 is fixed with a non-slip plate 11, and the upper sides of the two damping front wheels 3 are provided with mudguards 12, the mudguards 12 are fixed on the frame chassis 1, the upper sides of the mudguards 12 are provided in an arc shape, and a plurality of non-slip protrusions 121 are fixedly connected to the upper sides of the mudguards 12.

[0039] Referring to Figure 2 The rear frame damping mechanism 2 comprises a rear frame 21, the rear frame 21 is installed at the tail end of the frame chassis 1, the rear frame 21 is installed with a motor 22, the two sides of the rear frame 21 are respectively installed with damping rear wheels 23 rotating through bearings, the motor 22 is used to drive the two damping rear wheels 23 to rotate, the rear frame 21 is detachably fixed with a damping support frame 24, the damping support frame 24 is fixed with a rear frame 21 joint used to connect the frame chassis 1, the damping support frame 24 is connected with a spring shock absorber 26, one end of the spring shock absorber 26 is connected with the rear frame 21. In this embodiment, the damping rear wheels 23 and the damping front wheels 3 are both PU solid wheels.

[0040] The spring shock absorber 26 is a displacement-sensitive vibration control device, mainly used to suppress the shock of the spring shock-absorbing rear rebound and the impact from the road. The damping support frame 24 is detachably fixedly connected with the frame chassis 1 of the electric scooter through the rear frame 21 joint, realizing the function of quickly disassembling the rear frame damping mechanism 2.

[0041] The rear frame 21 comprises two support pipes 211, a straight pipe 212, two frame elbow pipes 213, a connecting pipe 214 and a U-shaped pipe 215, the two support pipes 211 are respectively installed on the bearings on the inner sides of the damping rear wheels 23, the two ends of the straight pipe 212 are respectively connected to the same end of the two support pipes 211, the straight pipe 212 is arranged horizontally, and the two ends of the U-shaped pipe 215 are respectively connected to the other ends of the two support pipes 211 away from the straight pipe 212; one end of each of the two frame elbow pipes 213 is connected to the top of the end of the support pipe 211 close to the straight pipe 212, and the other end of each of the two frame elbow pipes 213 is connected to the U-shaped pipe 215; and the two ends of the connecting pipe 214 are respectively fixedly connected to the two frame elbow pipes 213.

[0042] In the embodiment, the two support pipes 211, the straight pipe 212, the two frame elbow pipes 213, the connecting pipe 214 and the U-shaped pipe 215 are all made of aluminum alloy material, which not only can increase the structural strength of the whole rear frame 21 and prolong the service life, but also meet the requirement of light weight of the whole vehicle.

[0043] The damping support frame 24 is detachably fixed on the straight pipe 212, the top of the damping support frame 24 is connected with one end of the spring shock absorber 26, and the other end of the spring shock absorber 26 away from the damping support frame 24 is connected at the center position of the U-shaped pipe 215. The height of the spring shock absorber 26 close to one end of the U-shaped pipe 215 is lower than the height of the spring shock absorber 26 close to one end of the damping support frame 24.

[0044] Referring to Figure 2 , the two frame elbow pipes 213 are both fixedly connected with mounting ears 27, and the mounting ears 27 are both provided with a circular hole 271 and a waist-shaped hole 272, so that the rear frame 21 can be fixed on the vehicle body, and the convenience of disassembly is improved. Referring to Figure 3 , the two support pipes 211 are both connected with anti-falling damping wheels 28, and the anti-falling damping wheels 28 are rotatably connected to the inner side of the support pipe 211 close to one end of the U-shaped pipe 215. In the embodiment, the anti-falling damping wheels 28 have a certain protection function, which are made of rubber material, and can realize damping and anti-falling functions.

[0045] During the driving of the electric scooter, the vibration caused by the bumpy road is transmitted to the rear frame 21, and the frame elbow pipe 213 on the rear frame 21 can absorb part of the vibration energy, and the remaining vibration energy is transmitted to the spring shock absorber 26 for further damping.

[0046] Referring to Figure 4 , the portable battery quick release structure 6 comprises a battery shell 61, the battery shell 61 is installed on the frame chassis 1 and located below the seat assembly 5 (see Figure 1 , and the back of the battery shell 61 is provided with two symmetrical inclined surfaces 62, and the two inclined surfaces 62 are respectively detachably fixedly connected with batteries 63. In the embodiment, the electric scooter can be used on a ship because the electric scooter has a small size.

[0047] Referring to Figure 6 , the inclined surface 62 is provided with a groove 621, the bottom surface of the groove 621 is provided with a clamping groove 622, the bottom of the clamping groove 622 is provided with a battery male head 623, and the top of the clamping groove 622 is provided with a positioning hole 624; the area of one side of the battery 63 is the same as the area of the groove 621, and referring to Figure 5The side wall of the battery 63 is integrally formed and fixedly connected with a clamping block 631 matched with the clamping groove 622. The bottom of the clamping block 631 is provided with a battery female head 632 matched with the battery male head 623. The top of the clamping block 631 is integrally formed and fixedly connected with a positioning block 633 matched with the positioning hole 624. When the positioning block 633 is inserted into the positioning hole 624, the fixing of the battery 63 on the battery shell 61 is achieved.

[0048] Referring to Figure 6 The bottom surface of the recess 621 is fixedly connected with a guide block 625. The side wall of the battery 63 is provided with a guide groove 634 (see Figure 2 ) along the length direction of the side wall, in which the guide block 625 is slidably arranged. The arrangement of the guide block 625 and the guide groove 634 facilitates the user to quickly insert the battery 63 into the designated position on the battery shell 61, improving the convenience during installation.

[0049] Referring to Figure 6 The opposite two side walls of the clamping groove 622 are provided with limiting sliding grooves 626. The two sides of the clamping block 631 are respectively provided with limiting sliding blocks 635 matched with the limiting sliding grooves 626. When the limiting sliding blocks 635 are inserted into the limiting sliding grooves 626, the battery 63 can be stably fixed on the inclined surface 62 of the battery shell 61, avoiding falling off and increasing the stability of the connection.

[0050] Referring to Figure 6 The top of the recess 621 is provided with an arc surface 627. The top surface of the clamping block 631 is slidably matched with the arc surface 627. The bottom of the battery shell 61 is provided with a battery 63 interface female head 611 electrically connected with the two battery male heads 623. The battery shell 61 is provided with a fuse 612 and a current protector 613. The fuse 612 and the current protector 613 are arranged between the two batteries 63.

[0051] In this embodiment, the two batteries 63 are 24V6AH. Such batteries 63 can be conveniently transported, which solves the transportation problem of lithium batteries 63. Moreover, the two batteries 63 can be taken on an airplane like a power bank (airline regulations are relatively loose for 160W / h or less, and many can be taken on an airplane), which is very convenient.

[0052] Referring to Figure 4 The battery shell 61 is provided with two storage cavities 64 below the two inclined surfaces 62. The bottom surface of the storage cavity 64 is provided with a first mounting hole 641. Referring to Figure 6The battery shell 61 is integrally formed and fixed with two ear plates 614 at the bottom of the two inclined surfaces 62, respectively, and two second mounting holes 615 are formed in the two ear plates 614, respectively. Figure 1 The two sides of the battery shell 61 are respectively provided with storage boxes 616 which are detachably fixed on the vehicle frame chassis 1.

[0053] The utility model discloses an electric scooter, which is provided with a rear frame damping mechanism 2 and a portable battery quick release structure 6 on the vehicle frame, so that the electric scooter has the functions of quick release of the battery 63 and damping.

[0054] The embodiments of the specific embodiment are the preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: all equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. An electrically powered mobility scooter, characterized in that, The utility model provides a kind of electric scooter, including frame chassis (1), the rear end of the frame chassis (1) is provided with rear frame damping mechanism (2), the front end of the frame chassis (1) is provided with two damping front wheels (3), front rudder assembly (4), seat assembly (5) and portable battery quick release structure (6) are provided on the frame chassis (1).

2. The electric scooter of claim 1, wherein, The front rudder assembly (4) includes steering rod (41), control box (42) and heating handle (43) mounted at both ends of the control box (42), the steering rod (41) is mounted on the frame chassis (1) and is drivingly connected with the two damping front wheels (3), the steering rod (41) is used to control the steering of the two damping front wheels (3), the control box (42) is fixed at the top end of the steering rod (41), and the control box (42) is provided with a display (44) for displaying the speed and power of the electric scooter.

3. The electrically motorized scooter of claim 2, wherein, The front end of the steering rod (41) is detachably fixedly connected with a basket (45) and a lamp.

4. The electrically motorized scooter of claim 1, wherein, The seat assembly (5) includes lifting column (51) and seat (52), the bottom end of the lifting column (51) is fixed on the frame chassis (1), and the top end of the lifting column (51) is fixedly connected with the bottom center of the seat (52).

5. The electrically motorized scooter of claim 4, wherein, The seat (52) includes seat surface (521), backrest (522) and handle (523) mounted on both sides of the seat surface (521), the seat surface (521) is fixed at the top end of the lifting column (51), and the backrest (522) is mounted on the rear side of the seat surface (521).

6. The electrically motorized scooter of claim 1, wherein, The rear frame damping mechanism (2) includes rear frame (21), the rear frame (21) is mounted at the tail end of the frame chassis (1), the motor (22) is mounted on the rear frame (21), the damping rear wheels (23) are rotatably mounted on both sides of the rear frame (21) through bearings, the motor (22) is used to drive the two damping rear wheels (23) to rotate, the damping support frame (24) is detachably fixed on the rear frame (21), the rear frame joint (25) for connecting the frame chassis (1) is fixed on the damping support frame (24), and the spring shock absorber (26) is connected to the damping support frame (24), one end of the spring shock absorber (26) is connected with the rear frame (21).

7. The electrically motorized scooter of claim 6, wherein, The rear frame (21) includes two support pipes (211), straight pipe (212), two frame elbow pipes (213), connecting pipe (214) and U-shaped pipe (215), the two support pipes (211) are respectively mounted on the bearings inside the damping rear wheels (23), the straight pipe (212) is connected at the same end of the two support pipes (211), the straight pipe (212) is horizontally arranged, and the U-shaped pipe (215) is connected at the other end of the two support pipes (211) away from the straight pipe (212). Two said frame elbow pipes (213) are respectively connected at one end of the support pipe (211) near the top of one end of the straight pipe (212), and are respectively connected at the other end on the U-shaped pipe (215).

8. The electrically motorized scooter of claim 1, wherein, The portable battery quick release structure (6) comprises a battery shell (61) mounted on the frame chassis (1) below the seat assembly (5), and two inclined surfaces (62) are symmetrically arranged on the back of the battery shell (61), and two batteries (63) are respectively detachably fixedly connected on the two inclined surfaces (62).

9. The electrically motorized scooter of claim 8, wherein, A recess (621) is formed on the inclined surface (62), a clamping groove (622) is formed on the bottom surface of the recess (621), a battery male head (623) is mounted on the bottom of the clamping groove (622), and a positioning hole (624) is formed on the top of the clamping groove (622). The area of one side of the battery (63) is the same as the area of the recess (621), a clamping block (631) matched with the clamping groove (622) is integrally formed and fixedly connected on the side wall of the battery (63), a battery female head (632) matched with the battery male head (623) is arranged on the bottom of the clamping block (631), and a positioning block (633) matched with the positioning hole (624) is integrally formed and fixedly connected on the top of the clamping block (631).

10. The electrically motorized scooter of claim 8, wherein, Two storage boxes (616) are respectively arranged on the two sides of the battery shell (61), and the storage boxes (616) are detachably fixed on the frame chassis (1).

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