WO2022027701A1

WO2022027701A1 - Multifunctional electric scooter

Info

Publication number: WO2022027701A1
Application number: PCT/CN2020/108216
Authority: WO
Inventors: 张红宇
Original assignee: 山西致爱科技有限公司
Priority date: 2020-08-04
Filing date: 2020-08-10
Publication date: 2022-02-10
Also published as: CN111746700A

Abstract

A multifunctional electric scooter, comprising a frame (10), a front turning wheel (20) arranged on the front part of the frame (10), a rear driving wheel (30) arranged on the rear part of the frame (10), a turning bar (40) for controlling the turning of the front turning wheel (20), and a folding mechanism (90). A lower turning sleeve (51) is fixed to the front part of the frame (10). A lower turning shaft (52) is rotatably mounted in the lower turning sleeve (51). A front fork (60) is fixed to the lower end of the lower turning shaft (52). The front turning wheel (20) is rotatably mounted on the front fork (60). The turning bar (40) is inclined backwards. The lower end of the turning bar (40) is provided with an upper turning shaft (71). The upper turning shaft (71) has an upper turning sleeve (72) rotatably sleeved thereon. The lower end of the upper turning shaft (71) is connected to the upper end of the lower turning shaft (52) by means of a universal coupling (80). The folding mechanism (90) can support and fix the upper turning sleeve (72) at different heights above the frame (10), so as to lock the turning bar (40) at different inclination angles.

Description

A multifunctional electric scooter

technical field

The invention relates to the technical field of vehicles, in particular to a multifunctional electric scooter.

Background technique

Electric scooters are vehicles based on traditional human skateboards and electric kits. They have the advantages of being easy to be learned by drivers, small and light, and have become more and more popular in recent years. The steering of the front steering wheel of the electric scooter is controlled by the handle. At present, most electric scooters on the market can fold the handle when not in use to reduce the space occupied by the storage. However, when it is in use, the handle can be folded. The handle cannot be locked at different angles, and at the same time, the handle cannot control the steering of the front steering wheel at different angles, so the use method is relatively simple, and the functionality and entertainment are poor.

SUMMARY OF THE INVENTION

In view of the defects in the prior art, the present invention provides a multifunctional electric scooter, so as to solve the problems that the existing electric scooter has a relatively single function and poor functionality and entertainment.

The invention provides a multifunctional electric scooter, comprising a frame, a front steering wheel arranged at the front of the frame, a rear driving wheel arranged at the rear of the frame, and a front steering wheel for controlling the front steering wheel Steering handlebar, the front part of the frame is fixed with a lower steering sleeve, a lower steering shaft is rotatably installed in the lower steering sleeve, a front fork is fixed at the lower end of the lower steering shaft, and the front steering wheel rotates It is installed on the front fork; the steering handle is inclined backward, the lower end of the steering handle is provided with an upper steering shaft, the upper steering sleeve is rotatably connected to the upper steering shaft, and the lower end of the upper steering shaft is connected to the upper end of the lower steering shaft. They are connected by a universal joint; and a folding mechanism is also included, which can support and fix the upper steering sleeve at different heights above the frame, thereby locking the steering handle at different inclination angles.

Further, the lower steering shaft is located in front of the front steering wheel and is inclined forward, the front fork is arranged laterally, and the front end of the front fork is fixed to the lower end of the lower steering shaft.

Further, the lower steering shaft and the upper steering shaft are detachable, and the upper steering sleeve and the frame are detachable.

Further, the front part of the frame has a front bezel, the front steering wheel is arranged in the front bezel, and the lower steering sleeve is fixed to the front end of the front bezel.

Further, the folding mechanism includes a clamping groove, a sliding block and a locking pin, the clamping groove extends in an arc shape, the upper end of the clamping groove is fixed on the upper steering sleeve, and the side walls on both sides of the clamping groove are provided with arcs. The slider is fixed on the front ring frame, the slider is provided with a lock hole, the lock pin passes through the arc-shaped guide groove and the lock hole, and the two ends of the lock pin are connected to The side walls on both sides of the clamping groove are locked with the fasteners on both sides of the slider.

Further, a plurality of positioning holes are spaced apart along the extending direction of the upper edge of the arc-shaped guide groove, the locking holes are bar-shaped holes, and the locking pin can slide into any of the positioning holes along the locking holes.

Further, the steering handle adopts an axially telescopic telescopic handle.

Further, the upper side of the frame is provided with a skateboard body, and the width of the skateboard body is greater than the width of the frame.

Further, a battery compartment is provided in the frame.

Further, the rear part of the frame is detachably mounted with a seat.

The beneficial effects of the present invention are as follows: by adopting the above structure, since the lower steering shaft and the upper steering shaft are connected by a universal coupling, the lower steering shaft is rotatably mounted on the lower steering sleeve, and the upper steering shaft is rotatably mounted on the upper steering sleeve When the steering handle is turned, the lower steering shaft can be rotated through the universal coupling, thereby controlling the steering of the front steering wheel. The folding mechanism can lock the steering handle at different inclination angles, and the steering handle can be locked at different inclination angles. The front steering wheel can be driven to steer, and the user can adjust and lock the inclination angle of the steering handle according to their own needs. When the inclination angle of the steering handle is adjusted to a larger position, it can be used as a normal electric scooter. When the inclination angle is adjusted to a smaller position, it can be used as a go-kart. When the inclination angle of the steering handle is adjusted to the minimum position, the steering handle can be folded and stored. Therefore, the application can be used in various ways and enhance the entertainment of the scooter. sex and functionality.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are required to be used in the description of the specific embodiments or the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. In the drawings, each element or section is not necessarily drawn to actual scale.

1 is a schematic structural diagram of a two-wheeled electric scooter provided by an embodiment of the present invention;

2 is a schematic structural diagram of the two-wheeled electric scooter provided in an embodiment of the present invention when it is transformed into a go-kart;

3 is a schematic structural diagram of the steering handle of the two-wheeled electric scooter provided in an embodiment of the present invention when it is folded and stored;

4 is a schematic structural diagram of the front steering wheel and the rear driving wheel of the two-wheeled electric scooter provided by an embodiment of the present invention as hollow wheels;

5 is a schematic structural diagram of the steering handle of the two-wheeled electric scooter provided by an embodiment of the present invention when it is disassembled and used as an electric skateboard;

FIG. 6 is a schematic structural diagram of a three-wheeled electric scooter according to an embodiment of the present invention.

In the drawings, 10-frame; 11-front ring frame; 12-battery compartment; 20-front steering wheel; 30-rear driving wheel; 40-steering handle; 51-lower steering sleeve; 52-lower steering shaft; 60-front fork; 71-upper steering shaft; 72-upper steering sleeve; 80-universal coupling; 90-folding mechanism; 91-clamp groove; 92-slider; 93-lock pin; 94-arc Guide slot; 95-lock hole; 96-positioning hole; 100-skateboard body; 110-car seat.

detailed description

Embodiments of the technical solutions of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to more clearly illustrate the technical solutions of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

It should be noted that, unless otherwise specified, the technical or scientific terms used in this application should have the usual meanings understood by those skilled in the art to which the present invention belongs.

As shown in FIGS. 1-4 , the present invention provides a multifunctional electric scooter, which includes a frame 10 , a front steering wheel 20 arranged at the front of the frame 10 , and a rear driving wheel arranged at the rear of the frame 10 30. The steering handle 40 and the folding mechanism 90 for controlling the steering of the front steering wheel 20.

The above-mentioned rear driving wheel 30 can be designed as a single-wheel and two-wheel system, the front and middle sections of the frame 10 are unchanged, but the different rear driving wheels 30 are changed, and a two-wheel electric scooter can be realized (as shown in Figures 1-5). shown) and three-wheeled electric scooter (as shown in Figure 6).

The front steering wheel 20 and the rear driving wheel 30 can be designed as a hollow wheel structure as shown in FIG. 4 in addition to the common solid wheel structure shown in FIG. 1 .

The frame 10 is provided with a battery compartment 12, a battery and a controller are installed in the battery compartment 12, the battery and the motor of the rear drive wheel 30 are electrically connected to the controller, the controller is used to control the rear drive wheel 30, and the controller has both wired and Two wireless control methods.

The front part of the frame 10 is fixed with a lower steering sleeve 51 , a lower steering shaft 52 is rotatably installed in the lower steering sleeve 51 , a front fork 60 is fixed at the lower end of the lower steering shaft 52 , and the front steering wheel 20 is rotatably installed on the front fork 60 superior.

In order to optimize the structural arrangement, the front part of the frame 10 has a front rim frame 11 , the front steering wheel 20 is arranged in the front rim frame 11 , and the lower steering sleeve 51 is fixed to the front end of the front rim frame 11 . The front ring frame 11 is the connecting piece and load-bearing piece of the battery compartment frame 10 and the lower steering sleeve 51 , which can be connected from above the front steering wheel 20 (that is, the connection method shown in the drawings), or can be connected from the front steering wheel 20 . The two sides of the 20 can also be connected by a semi-wrapped connection from the upper side and both sides of the front steering wheel 20, and at the same time, the effect of a fender can be achieved.

The steering handle 40 is tilted backward, the lower end of the steering handle 40 is provided with an upper steering shaft 71, and the upper steering shaft 71 is rotatably connected with an upper steering sleeve 72, and the lower end of the upper steering shaft 71 and the upper end of the lower steering shaft 52 pass through Universal joint 80 connection.

The above-mentioned steering handle 40 can adopt a telescopic handle that can be extended and retracted along the axial direction, and the steering handle 40 is provided with brake dial and accelerator dial accessories.

The upper steering shaft 71 and the upper steering sleeve 72, and the lower steering shaft 52 and the lower steering sleeve 51 are fixed by using a general-purpose headset or bearing to realize rotation. The connecting parts of the steering handlebar 40 and the upper steering shaft 71, the upper steering shaft 71 and the universal joint 80, the universal joint 80 and the lower steering shaft 52 are all hollow, and are inserted or screwed. All are longitudinally slotted and clamped with universal pipe clamps or quick release locks.

The front fork 60 and the lower steering shaft 52 adopt the lower steering shaft 52 with a thread at the bottom, and the insertion and installation method with the front end face of the front fork 60 is to be locked by the bicycle headset, or by welding, or by adding a reducer with a turning point. shock system.

The universal coupling 80 is designed as a double-section cross coupling, mainly to ensure the lower angle of the steering handle 40 when it realizes the kart function, and to avoid the corner limit and use effect of the single-section coupling. Others can also be used. Universal coupling 80, if considering cost reduction and simplification of functions, a large-angle single-section coupling can also be used.

The folding mechanism 90 can support and fix the upper steering sleeve 72 at different heights above the frame 10, thereby locking the steering handle 40 at different inclination angles.

There are many structures for the folding mechanism 90 to achieve the above-mentioned functions, which are not listed one by one in this embodiment.

A preferred folding mechanism 90 is shown in Figures 1 to 4. The folding mechanism 90 includes a clamping groove 91, a slider 92 and a locking pin 93. The clamping groove 91 extends in an arc shape, and the upper end of the clamping groove 91 is fixed on the upper steering sleeve. Tube 72, the side walls on both sides of the clamping groove 91 are provided with arc guide grooves 94, the slider 92 is fixed on the front ring frame 11, the slider 92 is provided with a lock hole 95, and the lock pin 93 passes through the arc guide groove 94 and the locking hole 95, the two ends of the locking pin 93 are connected with fasteners (not shown in the figure) for locking the side walls on both sides of the clamping slot 91 to the two sides of the slider 92. The fasteners here Quick release locks or slow release locknuts can be used. Since the clamping groove 91 is fixed on the upper steering sleeve 72, when the steering handle 40 is rotated, the clamping groove 91 rotates along with it, the locking pin 93 slides along the arc-shaped guide groove 94, and the rotation of the locking pin 93 to the clamping groove 91 has For the purpose of guiding, after the steering handle 40 is adjusted to the required angle, the fastener is fastened or tightened, and the clamping groove 91 is clamped and fixed on the slider 92 .

As a further optimization of the above-mentioned folding mechanism 90, the upper edge of the arc-shaped guide groove 94 is spaced along its extending direction with a plurality of positioning holes 96, the locking holes 95 are strip-shaped holes, and the locking pin 93 can slide along the locking holes 95 into any The positioning hole 96 is used to position the locking pin 93 through the positioning hole 96, which can ensure that the steering handle 40 will not rotate again after being locked.

The upper side of the frame 10 is provided with a skateboard body 100, and the skateboard body plays a decorative role. The width of the skateboard body 100 is greater than the width of the frame 10. The skateboard body 100 adopts an ultra-wide design, and the feet can stand in various ways. In this way, you can also carry some items, add batteries, reduce the thickness of the plate and lower the center of gravity, which is conducive to the stability and balance of the body.

In this embodiment, the skateboard body 100 is in the shape of a surfboard, and is made of maple wood, with glass fiber and carbon fiber. The outer contour can be processed by an engraving machine or a CNC machine with different contours, and the weight is extremely light. superior. In addition to the above design, the lower steering sleeve 51, the front ring frame 11, the skateboard body 100, and the frame 10 can also be used as an integral casting of aluminum-magnesium alloy, which is compact, compact, and light in weight, reducing installation links.

The rear part of the frame 10 is detachably installed with a seat 110. Preferably, the seat 110 is equipped with a lifting function. The installation method adopts two methods: quick release and slow release. The quick release adopts the plug-in type. It is directly inserted into the fixing hole on the frame 10 and locked, and the slow disassembly is to weld a steel plate at the bottom of the seat 110 standpipe, and fix the steel plate on the skateboard body 100 and the frame 10 with bolts.

In this embodiment, since the lower steering shaft 52 and the upper steering shaft 71 are connected by the universal joint 80, the lower steering shaft 52 is rotatably installed on the lower steering sleeve 51, and the upper steering shaft 71 is rotatably installed on the upper steering sleeve 72. When turning the steering handle 40, the lower steering shaft 52 can be driven by the universal coupling 80 to rotate, thereby controlling the steering of the front steering wheel 20, the folding mechanism 90 can lock the steering handle 40 at different inclination angles, and the steering handle 40 is locked The front steering wheel 20 can be driven to steer at different inclination angles. The user can adjust and lock the inclination angle of the steering handle 40 according to their own needs. As shown in FIG. 1 , adjust the inclination angle of the steering handle 40 to a larger It can be used as a normal electric scooter. As shown in Figure 2, when the inclination angle of the steering handle 40 is adjusted to a smaller position, it can be used as a go-kart. When it is used as a go-kart, the handle needs to be shortened, such as As shown in FIG. 3 , when the tilt angle of the steering handle 40 is adjusted to the minimum position, the steering handle 40 can be folded and stored.

As a preferred embodiment, the lower steering shaft 52 is located in front of the front steering wheel 20 and is inclined forward. With this design, the user can control the balance and steering of the scooter through the body, without the need to hold the steering handle 40, so it can be used as a skateboard and a balance bike. In the state of the skateboard and balance bike, a wireless remote control is used. The controller is controlled by a single control, and in other states of use, it adopts the dual control mode of the brake and accelerator dial and the remote control.

The scooter mode is equipped with a liftable seat 110 and an ultra-wide board skateboard body 100. When standing riding, your feet can stand on both sides of the seat 110's riser, and the seat 110 is thinner through the inner thighs. The front end of the scooter is used to control the balance and steering of the scooter. At the same time, the rear end of the seat 110 is wider. When the scooter accelerates, it will give people a fulcrum on the back of the thigh. During emergency deceleration, people can hold the telescopic handle forward to achieve balance. car play.

In addition, the lower steering shaft 52 and the upper steering shaft 71 are detachable, and the upper steering sleeve 72 and the frame 10 are detachable. Referring to FIG. 4 , when this embodiment is used as a skateboard and a balance car, the rotating handle can be detached. Next, implement the handleless mode.

To sum up, the scooter has the functions of scooter, go-kart, skateboard and balance car, and can be used in various ways, which enhances the entertainment and functionality of the scooter.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. The scope of the invention should be included in the scope of the claims and description of the present invention.

Claims

A multifunctional electric scooter, comprising a frame, a front steering wheel arranged at the front of the frame, a rear drive wheel arranged at the rear of the frame, and a steering handle for controlling the steering of the front steering wheel , which is characterized by:

The front part of the frame is fixed with a lower steering sleeve, a lower steering shaft is rotatably installed in the lower steering sleeve, a front fork is fixed at the lower end of the lower steering shaft, and the front steering wheel is rotatably installed on the front fork ;

The steering handle is tilted backward, the lower end of the steering handle is provided with an upper steering shaft, an upper steering sleeve is rotatably sleeved on the upper steering shaft, and the lower end of the upper steering shaft and the upper end of the lower steering shaft are connected by a universal joint. shaft connection;

It also includes a folding mechanism, which can support and fix the upper steering sleeve at different heights above the frame, thereby locking the steering handle at different inclination angles.
The multifunctional electric scooter according to claim 1, wherein the lower steering shaft is located in front of the front steering wheel and is inclined forward, the front fork is arranged laterally, and the front end of the front fork is fixed to the lower steering wheel The lower end of the steering shaft.
The multifunctional electric scooter according to claim 1, wherein the lower steering shaft and the upper steering shaft are detachable, and the upper steering sleeve and the frame are detachable.
The multifunctional electric scooter according to claim 1, 2 or 3, characterized in that: the front part of the frame has a front bezel, the front steering wheel is arranged in the front bezel, and the lower The steering sleeve is fixed to the front end of the front ring frame.
The multifunctional electric scooter according to claim 4, wherein the folding mechanism comprises a clip slot, a slider and a lock pin, the clip slot extends in an arc shape, and the upper end of the clip slot is fixed on the upper steering wheel The sleeve, the side walls on both sides of the clamping groove are provided with arc-shaped guide grooves, the slider is fixed on the front ring frame, the slider is provided with a lock hole, and the lock pin passes through the arc-shaped guide The slot and the locking hole, the two ends of the locking pin are connected with fasteners for locking the side walls on both sides of the clamping slot to the two sides of the sliding block.
The multifunctional electric scooter according to claim 5, wherein the upper edge of the arc-shaped guide groove is spaced with a plurality of positioning holes along the extending direction thereof, the locking hole is a bar-shaped hole, and the lock The pin can be slid into any of the locating holes along the lock hole.
The multifunctional electric scooter according to claim 1, wherein the steering handle adopts a telescopic handle that can be extended and retracted in the axial direction.
The multifunctional electric scooter according to claim 1, wherein the upper side of the frame is provided with a skateboard body, and the width of the skateboard body is greater than the width of the frame.
The multifunctional electric scooter according to claim 1, wherein a battery compartment is arranged in the frame.
The multifunctional electric scooter according to claim 1, wherein the rear part of the frame is detachably mounted with a seat.