CN113386887B

CN113386887B - Electric balance car

Info

Publication number: CN113386887B
Application number: CN202110805803.4A
Authority: CN
Inventors: 郑来芳; 梁海坚; 王华杰; 郭文静; 吕玉良
Original assignee: Taiyuan Institute of Technology
Current assignee: Taiyuan Institute of Technology
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2023-02-07
Anticipated expiration: 2041-07-16
Also published as: CN113386887A

Abstract

The invention relates to the technical field of balance two-wheeled vehicles, in particular to an electric balance car, which comprises an electric balance car main body and a supporting seat fixedly connected to the electric balance car main body, wherein the supporting seat comprises a supporting rod, a rotating unit and a cushion, and the cushion is rotatably arranged on the supporting rod through the rotating unit; the rotating unit comprises a first hinged plate fixedly connected to the top of the supporting rod and second hinged plates respectively arranged on two sides of the first hinged plate, and the second hinged plates are fixedly connected to the bottom of the cushion; the bilateral symmetry of first articulated slab is provided with the pivot, sets up the first through-hole that supplies corresponding pivot to stretch into on the second articulated slab, and the cover is equipped with the torsional spring that is located between corresponding first articulated slab and the second articulated slab in the pivot, and the one end of torsional spring links firmly on first articulated slab, and the other end links firmly on the second articulated slab, and the torsional spring is used for keeping cushion and bracing piece perpendicular setting, makes the cushion rotate on the bracing piece through setting up the rotation unit, reaches the effect that helps the user to change focus.

Description

Electric balance car

Technical Field

The invention relates to the technical field of balance two-wheeled vehicles, in particular to an electric balance vehicle.

Background

The electric balance car is convenient to carry, simple to operate and good in stability, and is gradually concerned and loved by young people. The two-wheeled electrodynamic balance car adopts two wheels to support, and the battery power supply, brushless motor drive, and single chip microcomputer control in addition, attitude sensor gathers angular velocity and angle signal, and the balance of common coordinated control automobile body only relies on the change of human focus alright realize actions such as start, acceleration, speed reduction, the stopping of vehicle.

In the prior art, a cushion of the balance car is fixedly connected with a supporting rod, the center of gravity needs to be changed by forward tilting or backward tilting forcibly when the balance car is used, the balance car is driven to move forward or backward with great effort, the use efficiency is low, accidents are easy to happen when the balance car is forward tilted or backward tilted forcibly under emergency, the safety is low, and when the balance car is not used, the balance car is too large in size and is not convenient to store.

Disclosure of Invention

The invention provides an electric balance car, aiming at the defects of labor waste in use, low safety and difficult storage in the prior art. It can reach the cushion and rotate on the bracing piece, assists the user to change the effect that the focus and be convenient for accomodate.

In order to solve the above technical problems, the present invention is solved by the following technical solutions.

An electric balance car comprises an electric balance car main body and a supporting seat fixedly connected to the electric balance car main body, wherein the supporting seat comprises a supporting rod, a rotating unit and a cushion, and the cushion is rotatably mounted on the supporting rod through the rotating unit; the rotating unit comprises a first hinged plate fixedly connected to the top of the supporting rod and second hinged plates respectively arranged on two sides of the first hinged plate, and the second hinged plates are fixedly connected to the bottom of the cushion; the two sides of the first hinged plate are symmetrically provided with rotating shafts, the second hinged plate is provided with first through holes for the corresponding rotating shafts to extend into, the rotating shafts are sleeved with torsional springs located between the corresponding first hinged plate and the corresponding second hinged plate, one ends of the torsional springs are fixedly connected to the first hinged plate, the other ends of the torsional springs are fixedly connected to the second hinged plate, and the torsional springs are used for keeping the cushion and the supporting rod to be perpendicular to each other.

Through the arrangement of the rotating unit, the cushion can rotate on the supporting rod, when a user sits on the cushion, the user can lean forwards or lean backwards with the assistance of the rotating unit only by applying force lightly, so that the gravity center position is changed easily, the use efficiency of the electric balance car is improved, and the electric balance car is greatly convenient for the user to use.

When the electric balance car is not used, one end of the torsion spring is fixed on the first hinged plate, the other end of the torsion spring is fixed on the second hinged plate, the cushion is perpendicular to the supporting rod under the action of the torsion spring, the gravity center of the electric balance car is stable, the electric balance car can be stably parked in place when not used, the safety of the electric balance car is guaranteed, the cushion is further convenient to sit on by a user while the cushion is perpendicular to the supporting rod, the use is convenient, when the electric balance car is used, the torsion spring can be rotated by the user only by applying force gently under the condition of the elastic characteristic of the torsion spring, the cushion is driven to rotate by the second hinged plate, the gravity center of the electric balance car is changed, the cushion can be driven to be restored to be in a state perpendicular to the supporting rod under the condition of the torsion force of the torsion spring after the gravity center of the torsion spring is changed, the electric balance car can further keep running stably, when the cushion is separated from the electric balance car, the electric balance car can be quickly restored to be static under the torsion force effect of the torsion force of the torsion spring, the safety of the electric balance car can be improved, and the comfort level of the electric balance car can be relieved when the electric balance car is used on a road surface, and the road surface when the electric balance car is not used.

Preferably, the first through hole extends in a long strip shape along a direction perpendicular to the seat cushion, and the upper end and the lower end of the first through hole are configured into a semicircular shape matched with the rotating shaft; offer the first spout that supplies torsional spring one end to stretch into on the side of second articulated slab, first spout includes the straight portion that is on a parallel with first through-hole and the flexion of the coaxial setting of tip under with first through-hole, straight portion and flexion intercommunication, the one end that first articulated slab is close to the cushion is the semicircle form setting, the activity groove that is the T type with the coaxial just cross-section of pivot is seted up to the one end of first articulated slab semicircle form, the activity inslot is provided with the slider with activity groove matched with, the slider is on the cushion through first spring coupling, first spring is used for driving the cushion and shifts up.

According to the invention, the first through hole is in a long strip shape, the first spring and the flat part are arranged, so that when the electric balance vehicle is not used, the first spring drives the cushion to move upwards, the rotating shaft is arranged at the lower end of the first through hole, at the moment, one end of the torsional spring, which extends into the first sliding groove, is arranged at the lower end of the flat part, the cushion rotates around a shaft under the action of gravity to be parallel to the supporting rod, one end of the torsional spring, which extends into the first sliding groove, slides to the bottom end of the bending part along the bending part, when a user sits on the cushion, the first spring is compressed, so that the cushion and the second hinged plate are driven to integrally move downwards, at the moment, the rotating shaft moves to the upper end of the first through hole, one end of the torsional spring, which extends into the first sliding groove, moves to the upper end of the flat part, and when the user is separated from the cushion, the cushion and the second hinged plate are pushed to be in a state when the electric balance vehicle is not used under the action of the first spring; when a user sits on the cushion, one end of the rotating shaft extending into the first sliding groove is positioned at the upper end of the straight part and can not move in a limiting mode, the torsion spring plays a role at the moment, under the rotation condition of the cushion, the user is assisted to change the gravity center of the user, the electric balance car is driven more conveniently, the use is more convenient, when the user breaks away from the cushion and leaves the electric balance car, one end of the torsion spring extending into the first sliding groove is positioned at the lower end of the straight part or the bottom end of the bending part, due to the fact that the torsion spring is combined with the weight of the human body and is large in torsion force, the torsion spring loses the clamping and does not play a role of external force at the moment, the cushion can be rotated easily, impact force caused by uneven road surfaces is buffered when the first spring stretches, the jolting sense of the user is relieved, and the use comfort level of the electric balance car is improved; through the setting of activity groove and slider, can drive first spring and move when the cushion rotates, and first spring links firmly on the slider, the slider slides in the activity groove, when the cushion rotates, first spring can drive the slider and slide in the activity inslot, thereby make the whole of first spring can follow the cushion and move about, when cushion perpendicular to bracing piece, slider and first spring are in the top that first articulated slab is semicircle form, when the cushion rotates to being on a parallel with the bracing piece, slider and first spring are in the bottom that first articulated slab is semicircle form, thereby the distortion of first spring has been avoided, the damage of first spring has been alleviateed, the life of first spring has been prolonged, thereby the security that has improved the electrodynamic balance car has also made things convenient for user's use.

Preferably, a second sliding groove which is coaxial and communicated with the first sliding groove is formed in the second hinge plate, an arc-shaped rod is arranged in the second sliding groove in a sliding mode through a second spring, and the second spring is used for pushing the arc-shaped rod to drive one end of the torsion spring to move to the position flush with the top end of the bending portion.

According to the electric balance car seat cushion, due to the arrangement of the second spring and the arc-shaped rod, when a user is separated from the seat cushion of the electric balance car, the rotating shaft is located at the lower end of the first through hole, the second spring pushes the arc-shaped rod to drive one end, extending into the first sliding groove, of the torsion spring to be flush with the top end of the bending portion, and at the moment, the seat cushion is perpendicular to the supporting rod, so that the user can sit on the seat cushion again conveniently, and the electric balance car is convenient to use; the elastic coefficient of second spring is less than the torsional spring, consequently, when second spring drive arc pole supported the one end of torsional spring, the torsional spring can not take place the bending, and consequently the rigidity of torsional spring is inconvenient to make the cushion remain throughout perpendicular with the bracing piece, thereby convenient to use person sits the cushion, has made things convenient for the use to electrodynamic balance car.

Preferably, a second fixing groove is formed in the front end of the cushion and above the cushion, and a limiting block is arranged on the inner wall of the second fixing groove; a T-shaped handle is movably connected in the second fixing groove, and a limiting ring matched with the limiting block is arranged on the T-shaped handle.

According to the electric balance car, the limiting block and the limiting ring are arranged, so that when the T-shaped handle extends into the second fixing groove, the limiting ring is positioned above the limiting block, and when the T-shaped handle extends into the second fixing groove and is fixed under the mutual clamping of the limiting block and the limiting ring, the limiting ring is positioned below the limiting block, so that the T-shaped handle can be stably positioned in the second fixing groove to be conveniently held by a user when the electric balance car is used, and the safety of the electric balance car is improved; because T shape handle swing joint is in the second fixed slot, when T shape handle damaged, can change T shape handle in time, further improved the security of electrodynamic balance car and made things convenient for the use to electrodynamic balance car.

Preferably, a fixing mechanism for fixing the T-shaped handle is arranged in the seat cushion, and the fixing mechanism comprises a first vertical groove, a second channel and an arc-shaped third channel which are arranged in the seat cushion and are sequentially communicated; a second vertical groove communicated with the first through hole is formed in the second hinged plate, and the first vertical groove and the second vertical groove jointly form a first channel; a first sliding rod is arranged in the first channel in a sliding manner, and one end of the first sliding rod extends into the first through hole and is matched with the rotating shaft; a second sliding rod matched with the first sliding rod is arranged in the second channel in a sliding mode; the third channel is communicated with the second fixed groove, a reset groove is formed in the inner wall of the third channel, a third slide bar which can stretch into the second fixed groove and is matched with the second slide bar is arranged in the third channel in a sliding mode, a movable block which stretches into the reset groove is arranged on the third slide bar, the movable block is installed in the reset groove in a sliding mode through a reset spring, and the reset spring is used for driving the third slide bar to retract into the third channel; the ends of the first slide bar, the second slide bar and the third slide bar which are contacted with each other are all spherical; one end of the T-shaped handle extending into the second fixing groove is provided with a third fixing groove for a third slide bar to extend into.

According to the invention, through the arrangement of the first slide bar, the second slide bar, the third slide bar, the return spring and the third fixing groove, when the electric balance car is used, a user sits on the cushion, the cushion drives the second hinged plate to move downwards, at the moment, the rotating shaft moves to the upper end of the first through hole and drives the first slide bar to slide upwards, the contact end parts of the first slide bar, the second slide bar and the third slide bar are spherical, so that the first slide bar extrudes the second slide bar to move, and then the second slide bar extrudes the third slide bar to move, so that the third slide bar extends into the third fixing groove, further fixing of the T-shaped handle is realized, the situation that the T-shaped handle is pulled out by the user with too much force in an emergency when the electric balance car is used is avoided, and the safety of the electric balance car is further improved; when the electric balance car is not used, under the action of the first spring, the cushion and the second hinged plate move upwards, the rotating shaft moves to the lower end of the first through hole, at the moment, the third sliding rod can extrude the second sliding rod under the action of the return spring, and finally the part of the third sliding rod extending into the third fixing groove moves back to the third channel, the second sliding rod extrudes the first sliding rod to enable the first sliding rod to be in contact with the rotating shaft, at the moment, the fixing mechanism is used for removing the fixing of the T-shaped handle, a user can extract the T-shaped handle from the second fixing groove, when the T-shaped handle is not used or replaced, the T-shaped handle can be conveniently and quickly taken out, and the electric balance car is greatly convenient to use.

Preferably, the support rod comprises a first sleeve and a second sleeve, and the first sleeve is sleeved on the second sleeve; at least two threaded holes are axially distributed in the second sleeve; a second through hole corresponding to the threaded hole is formed in the first sleeve, and a bolt with threads extending into the threaded hole to fix the second sleeve is arranged in the second through hole; an L-shaped hook is fixedly connected to the first sleeve in the vertical direction corresponding to the T-shaped handle.

According to the invention, through the arrangement of the first sleeve, the second sleeve, the threaded hole and the second through hole, when the support rod is used, the used threaded hole can be adjusted according to the specific condition of a user, so that the height of the support rod is adjusted, and the use comfort level is improved; through the setting of L shape couple, when using, can hang the thing of carrying on L shape couple, liberated the manpower to user's trip has been made things convenient for.

Preferably, the T-shaped grip comprises a fixed portion and a grip portion; the L-shaped hook comprises a horizontal part and a vertical part, and the top end of the vertical part is provided with a limiting part close to the first sleeve; the fixing part is provided with a limiting hole for the vertical part and the limiting part to extend into, and the limiting part is used for fixing the T-shaped handle by abutting against the fixing part.

According to the invention, through the arrangement of the limiting part and the limiting hole, when the electric balance car is not used, the cushion can be pressed to rotate the cushion, and meanwhile, the supporting rod is lowered until the vertical part and the limiting part extend into the limiting hole; when the electric balance car is used, the cushion is pressed, the height of the supporting rod is adjusted, and the vertical portion and the limiting portion are separated from the limiting hole.

Preferably, the upper part of the cushion is concave downwards towards the middle to form a concave groove, and the bottommost end of the concave groove is coaxial with the supporting rod.

According to the invention, through the arrangement of the concave groove, when a user sits on the cushion, the user can automatically slide into the bottommost end of the concave groove under the action of the concave groove, so that the sitting position of the user is fixed, and the user is prevented from separating from the cushion when the gravity center is changed; through the coaxial setting of bottommost end and bracing piece of depressed groove for the user also is coaxial with the bracing piece at the focus of self when sitting the cushion, thereby holistic focus when the user sits electrodynamic balance car remains unchanged, and electrodynamic balance car still can remain static, just moves when the user initiative changes the focus, has improved electrodynamic balance car's safety in utilization.

Preferably, the first hinge plate is symmetrically provided with first fixing grooves into which one ends of the torsion springs extend.

According to the invention, through the arrangement of the first fixing groove, one end of the torsion spring stretches into the first fixing groove and cannot move, so that the stretching-in end of the torsion spring is fixed.

Drawings

FIG. 1 is an isometric view of embodiment 1;

FIG. 2 is a schematic view of a rotating unit in embodiment 1;

fig. 3 is a sectional view of a seat cushion in embodiment 1;

FIG. 4 is a sectional view of a second hinge plate in embodiment 1;

FIG. 5 is a sectional view of the first sleeve in embodiment 1;

FIG. 6 is a schematic view of the T-shaped grip of example 1;

FIG. 7 is an enlarged view of a portion of FIG. 3 at A;

FIG. 8 is a schematic view of a second hinge plate according to embodiment 1;

FIG. 9 is a schematic view of an L-shaped hook in example 1.

The names of the parts indicated by the numerical references in the drawings are as follows:

110. a balance car body; 120. a supporting seat; 121. a support bar; 122. a rotating unit; 123. a cushion; 130. a T-shaped grip; 140. a first sleeve; 141. an L-shaped hook; 150. a second sleeve; 151. a threaded hole; 210. a first hinge plate; 211. a rotating shaft; 212. a movable groove; 213. a slider; 214. a first spring; 215. a first fixing groove; 220. a second hinge plate; 221. a first through hole; 222. a first chute; 230. a torsion spring; 310. a second fixing groove; 320. a fixing mechanism; 321. a first vertical groove; 322. a second channel; 323. a third channel; 324. a first slide bar; 325. a second slide bar; 326. a first channel; 330. a recessed groove; 410. a second chute; 411. a second spring; 412. an arcuate bar; 430. a second vertical groove; 510. a second through hole; 610. a limiting ring; 620. a third fixing groove; 630. a fixed part; 631. a limiting hole; 640. a hand-held portion; 710. a limiting block; 720. a return spring; 730. a third slide bar; 731. a movable block; 740. a reset groove; 810. a straight portion; 820. a bending section; 910. a horizontal portion; 920. a vertical portion; 930. a limiting part.

Detailed Description

For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.

Example 1

As shown in fig. 1 and 2, the embodiment provides an electric balance car, which includes an electric balance car main body 110 and a support base 120 fixedly connected to the electric balance car main body 110, wherein the support base 120 includes a support rod 121, a rotating unit 122 and a seat cushion 123, and the seat cushion 123 is rotatably mounted on the support rod 121 through the rotating unit 122; the rotating unit 122 comprises a first hinged plate 210 fixedly connected to the top of the supporting rod 121 and second hinged plates 220 respectively arranged on two sides of the first hinged plate 210, and the second hinged plates 220 are fixedly connected to the bottom of the cushion 123; the two sides of the first hinge plate 210 are symmetrically provided with rotating shafts 211, the second hinge plate 220 is provided with first through holes 221 for the corresponding rotating shafts 211 to extend into, the rotating shafts 211 are sleeved with torsion springs 230 located between the corresponding first hinge plate 210 and the second hinge plate 220, one ends of the torsion springs 230 are fixedly connected to the first hinge plate 210, the other ends of the torsion springs 230 are fixedly connected to the second hinge plate 220, and the torsion springs 230 are used for keeping the cushion 123 and the supporting rod 121 vertically arranged.

Through the arrangement of the rotating unit 122 in the embodiment, the seat cushion 123 can rotate on the supporting rod 121, when a user sits on the seat cushion 123, the user can lean forward or lean backward with the assistance of the rotating unit 122 only by applying slight force, so that the position of the center of gravity can be easily changed, the use efficiency of the electric balance car is improved, and the use of the user is greatly facilitated; through the arrangement of the torsion spring 230 in the rotating unit 122, when the electric balance car is not used, because one end of the torsion spring 230 is fixed on the first hinged plate 210, and the other end of the torsion spring is fixed on the second hinged plate 220, under the action of the torsion spring 230, the seat cushion 123 is kept vertical to the support rod 121, so that the gravity center of the electric balance car is kept stable, the electric balance car can be stably parked in place when the electric balance car is not used, the safety of the electric balance car is ensured, and the seat cushion 123 is kept vertical to the support rod 121, so that a user can further conveniently sit on the seat cushion 123 and use the electric balance car, when the electric balance car is used, under the condition of the elastic characteristic of the torsion spring 230, the user only needs to slightly apply force to rotate the torsion spring 230, so as to drive the second hinged plate 220 to rotate the seat cushion 123, the effect of changing the gravity center of the user is achieved, the driving of the electric balance car is achieved, after the gravity center is changed, the seat cushion 123 is driven to be restored to the state vertical to the support rod 121 under the condition of the torsion spring 230, so that the electric balance car is further kept moving, and when the user breaks away from the electric balance car, the electric balance car can quickly, the torsion spring 230 acts on the stable torque, the ground, the electric balance car can be used, the comfort is improved, and the electric balance car can be improved when the electric balance car can be used, and the electric balance car.

As shown in fig. 8, in the present embodiment, the first through hole 221 extends in a direction perpendicular to the seat cushion 123 and has an elongated shape, and the upper and lower ends are configured to be semicircular for matching with the rotating shaft 211; the side face of the second hinge plate 220 is provided with a first sliding groove 222 into which one end of the torsion spring 230 extends, the first sliding groove 222 comprises a straight portion 810 parallel to the first through hole 221 and a bending portion 820 coaxially arranged with the lower end portion of the first through hole 221, the straight portion 810 is communicated with the bending portion 820, one end, close to the seat cushion 123, of the first hinge plate 210 is arranged in a semicircular manner, one semicircular end of the first hinge plate 210 is provided with a movable groove 212 which is coaxial with the rotating shaft 211 and is T-shaped in cross section, a sliding block 213 matched with the movable groove 212 is arranged in the movable groove 212, the sliding block 213 is connected to the seat cushion 123 through a first spring 214, and the first spring 214 is used for driving the seat cushion 123 to move upwards.

Through the arrangement of the first through hole 221, the first spring 214 and the straight portion 810 in the present embodiment, when the electric balance vehicle is not used, the first spring 214 drives the seat cushion 123 to move upward, so that the rotating shaft 211 is located at the lower end of the first through hole 221, at this time, one end of the torsion spring 230 extending into the first sliding groove 222 is located at the lower end of the straight portion 810, the seat cushion 123 rotates around the shaft to be parallel to the supporting rod 121 under the action of gravity, one end of the torsion spring 230 extending into the first sliding groove 222 slides to the bottom end of the bending portion 820 along the bending portion 820, when a user sits on the seat cushion 123, the first spring 214 is compressed, so that the seat cushion 123 and the second hinge plate 220 are driven to move downward integrally, at this time, the rotating shaft 211 moves to the upper end of the first through hole 221, one end of the torsion spring 230 extending into the first sliding groove 222 moves to the upper end of the hinge plate 810, and when the user leaves the seat cushion 123, the seat cushion 123 and the second hinge plate 220 are pushed to return to the state when the electric balance vehicle is not used; when a user sits on the cushion 123, one end of the rotating shaft 211, which extends into the first sliding groove 222, is positioned at the upper end of the straight portion 810 and is limited and cannot move, the torsion spring 230 plays a role at the moment, under the rotation condition of the cushion 123, the user is assisted to change the gravity center of the user, the electric balance car is driven more conveniently, the use is more convenient, when the user breaks away from the cushion 123 to leave the electric balance car, one end of the torsion spring 230, which extends into the first sliding groove 222, is positioned at the lower end of the straight portion 810 or the bottom end of the bent portion 820, the torsion force of the torsion spring 230 is larger due to the combination of the weight of the human body, the torsion spring 230 loses the clamping and does not play a role of external force at the moment, the cushion 123 can be rotated easily, the impact force caused by uneven road surface is buffered while the first spring 214 stretches, the sense of jolt of the user is relieved, and the use comfort level of the electric balance car is improved; through the setting of activity groove 212 and slider 213, can drive first spring 214 when the cushion 123 rotates and move, and first spring 214 links firmly on slider 213, slider 213 slides in activity groove 212, when the cushion 123 rotates, first spring 214 can drive slider 213 and slide in activity groove 212, thereby make the whole of first spring 214 can follow the cushion 123 and move about, when cushion 123 perpendicular to bracing piece 121, slider 213 and first spring 214 are in first articulated slab 210 and are the top of semicircle form, when cushion 123 rotates to being on a parallel with bracing piece 121, slider 213 and first spring 214 are in first articulated slab 210 and are the bottom of semicircle form, thereby avoided the deformation distortion of first spring 214, the damage of first spring 214 has been alleviateed, the life of first spring 214 has been prolonged, thereby the security that has improved electronic balance car has also made things convenient for user's use.

In the embodiment, as shown in fig. 4 and 8, a second sliding slot 410 coaxial and communicated with the first sliding slot 222 is formed in the second hinge plate 220, an arc-shaped rod 412 is slidably disposed in the second sliding slot 410 through a second spring 411, and the second spring 411 is used for pushing the arc-shaped rod 412 to drive one end of the torsion spring 230 to move to a position flush with the top end of the bending portion 820.

Through the arrangement of the second spring 411 and the arc-shaped rod 412 in the embodiment, when a user is separated from the seat cushion 123 of the electric balance car, the rotating shaft 211 is positioned at the lower end of the first through hole 221, the second spring 411 pushes the arc-shaped rod 412 to drive one end of the torsion spring 230 extending into the first sliding groove 222 to be flush with the top end of the bending portion 820, and at the moment, the seat cushion 123 is kept perpendicular to the supporting rod 121, so that the user can sit on the seat cushion 123 again, and the use of the electric balance car is facilitated; the elastic coefficient of the second spring 411 is smaller than that of the torsion spring 230, and therefore, when the second spring 411 drives the arc-shaped rod 412 to abut against one end of the torsion spring 230, the torsion spring 230 cannot bend, so that the position of the torsion spring 230 is fixed inconveniently, and the seat cushion 123 is always kept perpendicular to the supporting rod 121, so that a user can conveniently sit on the seat cushion 123, and the use of the electric balance car is facilitated.

Referring to fig. 3 and 7, in this embodiment, a second fixing groove 310 is formed at a position above the front end of the seat cushion 123, and a limiting block 710 is disposed on an inner wall of the second fixing groove 310; the T-shaped handle 130 is movably connected in the second fixing groove 310, and a limiting ring 610 matched with the limiting block 710 is arranged on the T-shaped handle 130.

Through the arrangement of the limiting block 710 and the limiting ring 610 in the embodiment, when the T-shaped grip 130 extends into the second fixing groove 310, the limiting ring 610 is located above the limiting block 710, and when the T-shaped grip 130 extends into the second fixing groove 310 and the T-shaped grip 130 is fixed under the mutual clamping of the limiting block 710 and the limiting ring 610, the limiting ring 610 is located below the limiting block 710, so that the T-shaped grip 130 can be stabilized in the second fixing groove 310 to be conveniently held by a user when in use, and the safety of the electric balance car is improved; because the T-shaped handle 130 is movably connected in the second fixing groove 310, when the T-shaped handle 130 is damaged, the T-shaped handle 130 can be replaced in time, so that the safety of the electric balance car is further improved, and the electric balance car is convenient to use.

Referring to fig. 3, 4, 6, and 7, in the present embodiment, a fixing mechanism 320 for fixing the T-shaped handle 130 is disposed in the seat cushion 123, and the fixing mechanism 320 includes a first vertical groove 321, a second channel 322, and an arc-shaped third channel 323 disposed in the seat cushion 123 and sequentially communicated with each other; a second vertical groove 430 communicated with the first through hole 221 is formed in the second hinge plate 220, and the first vertical groove 321 and the second vertical groove 430 jointly form a first channel 326; a first sliding rod 324 is slidably arranged in the first channel 326, and one end of the first sliding rod 324 extends into the first through hole 221 and is matched with the rotating shaft 211; a second sliding rod 325 matched with the first sliding rod 324 is arranged in the second channel 322 in a sliding way; the third channel 323 is communicated with the second fixing groove 310, a reset groove 740 is formed in the inner wall of the third channel 323, a third slide bar 730 which can extend into the second fixing groove 310 and is matched with the second slide bar 325 is arranged in the third channel 323 in a sliding manner, a movable block 731 extending into the reset groove 740 is arranged on the third slide bar 730, the movable block 731 is slidably mounted in the reset groove 740 through a reset spring 720, and the reset spring 720 is used for driving the third slide bar 730 to retract into the third channel 323; the ends of the first, second and third slide bars 324, 325, 730 in contact with each other are all spherical; one end of the T-shaped handle 130 extending into the second fixing groove 310 is provided with a third fixing groove 620 into which a third sliding bar 730 extends.

Through the arrangement of the first sliding rod 324, the second sliding rod 325, the third sliding rod 730, the return spring 720 and the third fixing groove 620 in the embodiment, when the electric balance car is used, a user sits on the seat cushion 123, the seat cushion 123 drives the second hinge plate 220 to move downwards, at this time, the rotating shaft 211 moves to the upper end of the first through hole 221, and simultaneously drives the first sliding rod 324 to slide upwards, the end parts of the first sliding rod 324, the second sliding rod 325 and the third sliding rod 730, which are in contact with each other, are spherical, so that the first sliding rod 324 extrudes the second sliding rod 325 to move, and then the second sliding rod 325 extrudes the third sliding rod 730 to move, so that the third sliding rod 730 extends into the third fixing groove 620, and further fixing of the T-shaped grip 130 is realized, and the problem that the T-shaped grip 130 is pulled out by excessive force of the user in an emergency when the electric balance car is used is avoided, and the safety of the electric balance car is further improved; when the electric balance car is not used, under the action of the first spring 214, the seat cushion 123 and the second hinge plate 220 move upwards, at the moment, the rotating shaft 211 moves to the lower end of the first through hole 221, at the moment, the third slide bar 730 can press the second slide bar 325 under the action of the return spring 720, finally, the part, extending into the third fixing groove 620, of the third slide bar 730 moves back into the third channel 323, the second slide bar 325 presses the first slide bar 324 until the first slide bar 324 contacts the rotating shaft 211, at the moment, the fixing mechanism 320 releases the fixing of the T-shaped handle 130, a user can pull out the T-shaped handle 130 from the second fixing groove 310, when the T-shaped handle 130 is not used or the T-shaped handle 130 is replaced, the T-shaped handle 130 can be conveniently and quickly taken out, and the electric balance car is greatly convenient to use.

In this embodiment, the supporting rod 121 includes a first sleeve 140 and a second sleeve 150, the first sleeve 140 is sleeved on the second sleeve 150; at least two threaded holes 151 are axially distributed in the second sleeve 150; a second through hole 510 corresponding to the threaded hole 151 is formed in the first sleeve 140, and a bolt with threads extending into the threaded hole 151 to fix the second sleeve 150 is arranged in the second through hole 510; an L-shaped hook 141 is fixedly connected to the first sleeve 140 in the vertical direction corresponding to the T-shaped grip 130.

Through the arrangement of the first sleeve 140, the second sleeve 150, the threaded hole 151 and the second through hole 510 in the embodiment, when the support rod is used, the threaded hole 151 used can be adjusted according to the specific situation of a user, so that the height of the support rod 121 is adjusted, and the use comfort level is improved; through the setting of L shape couple 141, when using, can hang the thing of carrying on L shape couple 141, liberated the manpower to user's trip has been made things convenient for.

Referring to fig. 6 and 9, in the present embodiment, the T-shaped grip 130 includes a fixing portion 630 and a grip portion 640; the L-shaped hook 141 comprises a horizontal part 910 and a vertical part 920, and the top end of the vertical part 920 is provided with a limiting part 930 near the first sleeve 140; the fixing portion 630 is provided with a limiting hole 631 into which the vertical portion 920 and the limiting portion 930 extend, and the limiting portion 930 abuts against the fixing portion 630 to fix the T-shaped grip 130.

Through the arrangement of the limiting part 930 and the limiting hole 631 in the embodiment, when the electric balance vehicle is not used, the seat cushion 123 can be pressed to rotate the seat cushion 123, the supporting rod 121 is lowered until the vertical part 920 and the limiting part 930 extend into the limiting hole 631, when the manpower applied to the seat cushion 123 is withdrawn, the second spring 411 pushes the arc-shaped rod 412 to further push one end of the torsion spring 230, so that the seat cushion 123 is subjected to the force of rotation, at the moment, the part of the limiting part 930 extending into the limiting hole 631 abuts against the fixing part 630, so that the T-shaped handle 130 is clamped by the L-shaped hook 141, and the T-shaped handle 130 is fixed, so that the overall size of the electric balance vehicle is reduced, the electric balance vehicle can be conveniently stored when the electric balance vehicle is not used, and the accident caused by the T-shaped handle 130 separating from the L-shaped hook 141 under the action of the second spring 411 is avoided due to the arrangement of the limiting part 930, and the safety of the electric balance vehicle is further improved; when the electric balance car is used, the cushion 123 is pressed, the height of the support rod 121 is adjusted, and the vertical part 920 and the limiting part 930 are separated from the limiting hole 631.

Referring to fig. 3, in this embodiment, the upper portion of the seat cushion 123 is recessed toward the middle to form a recessed groove 330, and the bottom end of the recessed groove 330 is coaxial with the support rod 121.

Through the arrangement of the concave groove 330 in the embodiment, when a user sits on the seat cushion 123, the user automatically slides into the bottom end of the concave groove 330 under the action of the concave groove 330, so that the sitting position of the user is fixed, and the user is prevented from separating from the seat cushion 123 when the gravity center is changed; through the coaxial setting of bottommost end and bracing piece 121 of recessed groove 330 for the user is also coaxial with bracing piece 121 at the focus of self when sitting cushion 123, thereby when the user sat electric balance car the holistic focus and keep unchangeable, electric balance car still can keep static, just moves when the user initiative changes the focus, has improved electric balance car's safety in utilization.

In this embodiment, the first hinge plate 210 is symmetrically provided with first fixing slots 215 into which one ends of the torsion springs 230 extend.

Through the arrangement of the first fixing groove 215 in the embodiment, one end of the torsion spring 230 extends into the first fixing groove 215 and cannot move, so that the torsion spring 230 is fixed when extending into one end.

When the electric balance car is used specifically, the cushion 123 is perpendicular to the support rod 121, the center of gravity of the whole electric balance car is on the same axis, the electric balance car can be stably parked, and meanwhile, the cushion 123 is perpendicular to the support rod 121, so that a user can conveniently sit on the cushion 123; when a user sits on the seat cushion 123, the rotating shaft 211 moves to the upper end of the first through hole 221, one end of the torsion spring 230 extending into the first sliding groove 222 moves to the upper end of the straight portion 810, at the moment, the torsion spring 230 plays a role, through the effect of the torsion spring 230 in the rotating unit 122, the user only needs to exert slight force to finish changing the gravity center, the purpose of driving the electric balance car is achieved, the electric balance car is convenient to use, the torsion spring 230 can timely drive the seat cushion 123 to recover to a state perpendicular to the supporting rod 121, the bumping feeling is correspondingly reduced by the torsion spring 230 in the using process, and the safety and the using comfort level of the electric balance car are improved; when the electric balance vehicle is not used, the rotating shaft 211 is positioned at the lower end of the first through hole 221, one end of the torsion spring 230 extending into the first sliding groove 222 moves to the lower end of the straight portion 810, at the moment, the torsion spring 230 loses effect, the second spring 411 plays a role, the elastic coefficient of the second spring 411 is small, therefore, the cushion 123 can be easily rotated by human power, meanwhile, the height of the supporting rod 121 is adjusted, until the vertical portion 920 and the limiting portion 930 extend into the limiting hole 631, when the human power is removed, the cushion 123 generates a restoring force which is perpendicular to the supporting rod 121 under the effect of the second spring 411, under the effect of the restoring force, the portion of the limiting portion 930 extending into the limiting hole 631 abuts against the fixing portion 630, the L-shaped hook 141 is clamped on the T-shaped grip 130, thereby fixing the T-shaped grip 130, the size of the electric balance vehicle is reduced, the electric balance vehicle is convenient to store, meanwhile, accidents caused by the separation of the T-shaped grip 130 are avoided, the safety of the electric balance vehicle is improved, only the cushion 123 is required to be pressed when the cushion 123 is used, the height of the supporting rod 121 and the vertical portion 930 is convenient to restore the use of the electric balance vehicle, and the limiting portion 121.

In summary, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. The utility model provides an electrodynamic balance car, includes electrodynamic balance car main part (110) and links firmly supporting seat (120) on electrodynamic balance car main part (110), its characterized in that: the supporting seat (120) comprises a supporting rod (121), a rotating unit (122) and a seat cushion (123), and the seat cushion (123) is rotatably arranged on the supporting rod (121) through the rotating unit (122); the rotating unit (122) comprises a first hinge plate (210) fixedly connected to the top of the supporting rod (121) and second hinge plates (220) respectively arranged on two sides of the first hinge plate (210), and the second hinge plates (220) are fixedly connected to the bottom of the seat cushion (123); the two sides of the first hinged plate (210) are symmetrically provided with rotating shafts (211), the second hinged plate (220) is provided with first through holes (221) for the corresponding rotating shafts (211) to extend into, the rotating shafts (211) are sleeved with torsion springs (230) positioned between the corresponding first hinged plate (210) and the second hinged plate (220), one ends of the torsion springs (230) are fixedly connected to the first hinged plate (210), the other ends of the torsion springs (230) are fixedly connected to the second hinged plate (220), and the torsion springs (230) are used for keeping the cushion (123) and the supporting rod (121) vertically arranged;

the first through hole (221) extends in a long strip shape along the direction vertical to the cushion (123), and the upper end and the lower end of the first through hole are in a semicircular shape matched with the rotating shaft (211); offer first spout (222) that supplies torsional spring (230) one end to stretch into on the side of second articulated plate (220), first spout (222) are including straight portion (810) that is on a parallel with first through-hole (221) and with flexion (820) of the coaxial setting of first through-hole (221) lower extreme, straight portion (810) and flexion (820) intercommunication, the one end that first articulated plate (210) is close to cushion (123) is the semicircle form setting, the activity groove (212) that is the T type with pivot (211) coaxial and cross-section is seted up to the one end of first articulated plate (210) semicircle form, be provided with in activity groove (212) with activity groove (212) matched with slider (213), slider (213) are connected on cushion (123) through first spring (214), first spring (214) are used for driving cushion (123) to move up.

2. The electrodynamic balance car of claim 1, wherein: a second sliding groove (410) coaxial and communicated with the first sliding groove (222) is formed in the second hinge plate (220), an arc-shaped rod (412) is arranged in the second sliding groove (410) in a sliding mode through a second spring (411), and the second spring (411) is used for pushing the arc-shaped rod (412) to drive one end of the torsion spring (230) to move to a position flush with the top end of the bending portion (820).

3. An electrodynamic balance car according to claim 1 wherein: a second fixing groove (310) is formed in the front end and above the cushion (123), and a limiting block (710) is arranged on the inner wall of the second fixing groove (310); a T-shaped handle (130) is movably connected in the second fixing groove (310), and a limiting ring (610) matched with the limiting block (710) is arranged on the T-shaped handle (130).

4. An electrodynamic balance car according to claim 3 wherein: a fixing mechanism (320) for fixing the T-shaped handle (130) is arranged in the seat cushion (123), and the fixing mechanism (320) comprises a first vertical groove (321), a second channel (322) and an arc-shaped third channel (323) which are arranged in the seat cushion (123) and are communicated in sequence; a second vertical groove (430) communicated with the first through hole (221) is formed in the second hinge plate (220), and the first vertical groove (321) and the second vertical groove (430) jointly form a first channel (326); a first sliding rod (324) is arranged in the first channel (326) in a sliding mode, and one end of the first sliding rod (324) extends into the first through hole (221) and is matched with the rotating shaft (211); a second sliding rod (325) matched with the first sliding rod (324) is arranged in the second channel (322) in a sliding way; the third channel (323) is communicated with the second fixing groove (310), a reset groove (740) is formed in the inner wall of the third channel (323), a third slide bar (730) which can extend into the second fixing groove (310) and is matched with the second slide bar (325) is arranged in the third channel (323) in a sliding mode, a movable block (731) which extends into the reset groove (740) is arranged on the third slide bar (730), the movable block (731) is installed in the reset groove (740) in a sliding mode through a reset spring (720), and the reset spring (720) is used for driving the third slide bar (730) to retract into the third channel (323); the ends of the first slide bar (324), the second slide bar (325) and the third slide bar (730) that contact each other are all spherical; one end of the T-shaped handle (130) extending into the second fixing groove (310) is provided with a third fixing groove (620) for the third sliding rod (730) to extend into.

5. The electric balance car of claim 3, wherein: the supporting rod (121) comprises a first sleeve (140) and a second sleeve (150), and the first sleeve (140) is sleeved on the second sleeve (150); at least two threaded holes (151) are axially distributed in the second sleeve (150); a second through hole (510) corresponding to the threaded hole (151) is formed in the first sleeve (140), and a bolt with threads extending into the threaded hole (151) to fix the second sleeve (150) is arranged in the second through hole (510); an L-shaped hook (141) is fixedly connected to the first sleeve (140) in the vertical direction corresponding to the T-shaped grip (130).

6. The electric balance car of claim 5, wherein: the T-shaped grip (130) comprises a fixed part (630) and a hand holding part (640); the L-shaped hook (141) comprises a horizontal part (910) and a vertical part (920), and the top end of the vertical part (920) is provided with a limiting part (930) close to the first sleeve (140); the fixing part (630) is provided with a limiting hole (631) for the vertical part (920) and the limiting part (930) to extend into, and the limiting part (930) is used for fixing the T-shaped grip (130) by abutting against the fixing part (630).

7. An electrodynamic balance car according to claim 1 wherein: the upper part of the cushion (123) is concave downwards towards the middle to form a concave groove (330), and the bottom end of the concave groove (330) is coaxial with the support rod (121).

8. An electrodynamic balance car according to claim 1 wherein: the first hinge plate (210) is symmetrically provided with first fixing grooves (215) for one ends of the torsion springs (230) to extend into.