CN105151197B - X-shaped folds handlebar turning type three-wheeled electric vehicle - Google Patents

Abstract

An X-shaped folding swing handle turning three-wheeled electric vehicle, including frame I, frame II, folder, steering shaft, seat, positioning card, front wheel, two rear wheels and a driving mechanism, the folder includes a lower leaf , upper leaf, lock hook, lock hook spring and positioning bolts, the frame Ⅰ is welded by the battery box, seat tube, footrest tube and front fork, the lower leaf is welded on the frame Ⅰ, the front fork is installed with the front wheel, the vehicle The seat is installed in the seat tube. The frame II is welded by a U-shaped bend, a rotary drum, a handle bar, an upper connecting piece, a left lug and a right lug. The upper leaf is also welded on the frame II. The lower leaf is connected with the upper leaf and the lock hook in rotation. The steering shaft is welded by the rear wheel shaft and the steering seat. The left tension spring and the right tension spring are respectively connected to both sides of the steering seat and the left and right ear pieces. The rear wheels are installed at both ends of the rear axle. The electric drive system includes a motor, a battery, a controller and a control switch. The motor is arranged on the front wheel, and the battery and the controller are placed in the battery box.

Description

X-shaped folding swing handle turning electric tricycle

technical field

The invention relates to an electric vehicle for entertainment, in particular to an X-shaped foldable pendulum turning type three-wheeled electric vehicle which can be quickly folded, has a smaller vehicle body and can be towed.

technical background:

At present, recreational electric vehicles are not uncommon in the market, such as one-wheel electric balance vehicles, two-wheel electric balance vehicles, etc., but these electric balance vehicles have fatal shortcomings, that is, it is not easy to learn, and if there is no power suddenly or a certain line Broken, people will wrestle on it, and this is a motive of the present invention.

Invention content:

The object of the present invention is to provide an X-shaped folding swing handle turning tricycle with ingenious and simple structure, unique folding method and turning method, and easy towing after folding. The object of the present invention is achieved in this way: the X-shaped folding swing handle turning type three-wheeled electric vehicle includes vehicle frame I, vehicle frame II, folder, steering shaft, vehicle seat, positioning card, front wheel, two rear wheels and electric The driving system is characterized in that: the frame I includes a battery box, a seat tube, a footrest tube and a front fork, the battery box is a metal box with a cover on the top, the front top of the battery box is welded to the lower leaf of the folder, the upper part of the battery box is The rear side is welded to the seat tube, and the front bottom of the battery box is welded to the front fork. The foot tube, the front fork is installed at the lower end of the front wheel, and the seat is installed in the seat tube; The tube is made of a U-shaped bend in the middle of a round tube. The U-shaped bend of the U-shaped bend is flattened to form an Ω-shaped mouth. The two front ends of the U-shaped bend are bent upwards in an arc shape. In the Ω-shaped mouth of the elbow, the drum welded in the Ω-shaped mouth of the U-shaped elbow is inclined up and down with the ground. The connecting pieces are welded on the two inner sides of the upper part of the U-shaped elbow, the left and right ear pieces are welded under the two sides of the rear part of the U-shaped elbow, and the two inner sides of the middle part of the U-shaped elbow are welded to the upper leaf of the folder. The left and right sides of a metal sheet are folded down into a groove shape, and there are a pair of mutual transverse perforations on both sides of the rear end of the upper leaf. The upper and lower ends of the drum are each inlaid with a bearing, and the upper piece is connected to the positioning card. The C-shaped bayonet of the positioning card corresponds to the seat tube; the folder includes the lower leaf, the upper leaf, the lock hook, the lock hook spring and the positioning bolt. The leaf is stamped by a metal sheet, the left and right sides of the lower leaf are folded upwards, and the upward folded edges of the lower leaf form a figure-eight shape with a small front and a large rear. The front transverse perforation hole is connected to the lock hook through the lock bolt, and the lock hook spring and the positioning bolt are installed together. The steering shaft includes the rear wheel shaft, the steering seat, the left tension spring and the right tension spring. The steering seat is welded in the middle of the rear wheel axle. , the steering seat is connected with the rotary cylinder in rotation, the left and right extension springs are respectively connected to the left and right extension springs on the bottom side of the steering seat, the left and right extension springs are respectively connected to the left ear and the right ear, and the left and right ends of the rear axle are respectively A rear wheel is installed; the electric drive system includes a motor, a battery, a controller and a control switch, the motor is arranged on the front wheel, and the battery and the controller are placed in the battery box.

The beneficial effects of the present invention are: the present invention has ingenious structure, fast and convenient folding, and is convenient to tow after folding; the front wheel is used as the electric drive wheel, and the steering shaft is arranged at the rear end, which makes the structure simpler and easier to fold, and the front wheel after folding Both the wheels and the battery box are located in the U-shaped bend of the frame II, which makes the folding more effective; since the steering shaft and the rotating drum tilted up and down with the ground, when the cross tube is tilted to the left , the vehicle frame II and the vehicle frame I are tilted to the left, which can produce the steering shaft in an oblique direction in which the left end is forward and the right end is backward, and the present invention turns to the left; when the handle bar is tilted to the right, the vehicle frame II and the vehicle frame Frame I tilts to the right, which can produce the oblique direction in which the right end of the steering shaft is forward and the left end is backward. The present invention turns to the right, forming a swing handle turning mode; making the present invention have strong entertainment and changes the traditional turning Way.

Description of drawings:

Fig. 1 is structure and appearance schematic diagram of the present invention;

Fig. 2 is a structural diagram of the vehicle frame I connecting the lower leaf of the present invention;

Fig. 3 is a structural diagram of the vehicle frame II connecting the upper leaf and the positioning card of the present invention;

Fig. 4 is a structural diagram of the steering shaft of the present invention;

Fig. 5 is the left turn schematic diagram of the present invention;

Fig. 6 is a right turn schematic diagram of the present invention;

Fig. 7 is a folding effect diagram of the present invention;

In the figure: 1——frame Ⅰ, 2——frame Ⅱ, 3—folder, 4—steering shaft, 5—seat, 6—positioning card, 7—front wheel, 8— Rear wheel, 9—electric drive system; wherein frame Ⅰ1 also includes: 11—battery box, 12—seat tube, 13—leg rest tube, 14—front fork; frame Ⅱ2 also includes: 21— —U-shaped elbow, 22—rotary cylinder, 23—handle horizontal pipe, 24—upper connecting piece, 25—left ear piece, 26—right ear piece; folder 3 also includes: 31——bottom Leaf, 32—upper leaf; Steering shaft 4 also includes: 41—rear axle, 42—steering seat; Electric drive system 9 also includes: 91—motor, 92—battery, 93—controller.

Detailed ways:

According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the described X-shaped folding pendulum turning type three-wheeled electric vehicle includes vehicle frame I1, vehicle frame II2, folder 3, steering shaft 4, vehicle seat 5, positioning Card 6, front wheel 7, rear wheel 8 and electric drive system 9;

The vehicle frame I includes a battery box 11, a seat tube 12, a footrest tube 13 and a front fork 14, the battery box 11 is a rectangular box-shaped battery box, and the top of the battery box 11 has a top cover , the front top of the battery box 11 is welded to the lower leaf 31 of the folder 3, and the rear side of the upper part of the battery box 11 is welded to the seat tube 12, and the seat tube 12 is formed from the top of a round tube Equipped with a saddle tube clamp, the front bottom end of the battery box 11 is welded to the front fork 14, the front fork 14 is a groove shape with a bent downward opening from a flat metal sheet, and the front fork 14 is bent downward. The two lower ends of the fork 14 have U-shaped gaps, and the front top of the front fork 14 and the front side of the bottom of the battery box 11 are welded to the footrest 13, and the footrest 13 is made of a round tube. Each of the two ends of the fork is socketed with a plastic sleeve, the vehicle seat 4 is installed in the seat tube 12, the U-shaped gap at the two lower ends of the front fork 14 is installed with the front wheel 7, and the front wheel 7 for 8 inch motor wheels.

The vehicle frame II 2 includes a U-shaped elbow 21, a rotating drum 22, a handle bar 23, an upper connecting piece 24, a left lug 25 and a right lug 26. The U-shaped elbow 21 is made of a round The middle of the tube is bent in a U shape, and the U-shaped bend of the U-shaped bend 21 is flattened to form an Ω-shaped mouth. The tube 21 bends upwards and has horizontal circular arc openings on the left and right sides of the two top ends. The left and right horizontal arc openings on the two top ends of the U-shaped elbow pipe 21 correspond to the diameter of the handlebar tube 23. The tube 23 is pressed by a round tube into a wavy bend with a downward convex middle. The horizontal tube 23 is welded to the left and right horizontal arcs at the two top ends of the U-shaped elbow 21, and the rotary cylinder 22 is welded to the U-shaped elbow. In the Ω-shaped mouth of the U-shaped elbow, the rotating cylinder 22 is welded to the described rotating cylinder 22 in the Ω-shaped mouth of the U-shaped elbow 21 by means of steps for placing bearings at the upper and lower ends of a pipe. The upper and lower ends of the drum 22 are each inlaid with a bearing, and the upper connecting piece 24 is punched by a flat metal sheet so that the left and right sides are bent downward into a ︹ shape. , the middle part of the upper connecting piece 24 has a connection hole, the upper connecting piece 24 is welded on the two inner sides of the upper part of the U-shaped elbow 21, the left ear piece 25 and the right ear piece 25 are A metal sheet with a hole, the left ear piece 24 and the right ear piece 25 are welded under the two sides of the rear part of the U-shaped elbow 21, and the two inner sides of the middle part of the U-shaped elbow 21 are welded. The upper leaf 31 of the folder 2, the connecting hole of the upper connecting piece 24 is screwed to the screwing hole of the positioning card 6 through bolts, and the positioning card 6 has a C-shaped bayonet on the upper part and a top with a The plastic part of the screwed hole, the C-shaped bayonet of the positioning card 6 is corresponding to the seat tube 13, and the C-shaped bayonet of the positioning card 6 is engaged with the folded seat tube 13 of the car .

The folder 3 includes a lower leaf 31, an upper leaf 32, a lock hook, a lock hook spring and a positioning bolt. The lower leaf 31 is stamped from a metal sheet. The left and right sides of the lower leaf 31 Folding upwards, the upward folding of the lower leaf 31 forms a figure-eight shape with a small front and a large rear. The front and rear ends on both sides of the lower leaf 31 each have a mutual transverse pair of perforations. The locking bolt is connected with the lock hook by rotation, and the left and right sides of a metal sheet are folded downwards to form a groove shape for the upper leaf 32, and there are a pair of mutual transverse perforations on both sides of the rear end of the upper leaf 31. , the inner side of the groove type of the upper leaf 32 corresponds to the width of the lateral outer diameter of the rear end of the lower leaf 31, and the transverse perforation holes of the upper leaf 32 are transversely connected with the rear end of the lower leaf 31 through locking bolts. For the perforated connection, the lock hook is a part with a hook shape at the upper end, a ring shape at the middle, and a handle at the bottom. There is a long hole on the handle of the lock hook, and the long hole of the lock hook is connected with the battery box 11 corresponds to the threaded hole on the front side of the upper part, the ring shape of the locking hook is rotationally connected with the transverse counter-perforation hole at the front end of the lower leaf 31 through the locking bolt, and the locking hook spring is placed on the upper front side of the battery box 11. Between the threaded hole and the elongated hole of the locking hook, a positioning bolt is used to penetrate the elongated hole of the locking hook and the spring, and then be screwed into the threaded hole on the front side of the upper part of the battery box 11. The locking hook can hook the front edge of the upper leaf 32 .

The steering shaft 4 includes a rear axle 41, a steering seat 42, a left extension spring and a right extension spring. The rear axle 41 is formed by welding a bolt at both ends of a circular tube. The rear axle 41 Welding the steering seat 42 in the middle, the steering seat 42 is bent by a T-shaped metal sheet into a slot-shaped part with an opening facing forward, and the left and right sides of the bottom surface of the steering seat 42 protrude outwards, There is an opening on the two sides of the left and right protruding outwards of the steering seat 42. There is a mutual pair of perforations in the middle part of the upper bottom surface of the steering seat 42 and the middle part of the lower bottom surface. The rear side of the steering seat 42 has a perforation. The groove bottom of steering seat 42 grooves is inlaid with a plastic sheet, and the rear side of the plastic sheet inlaid in the bottom of said steering seat 42 grooves has a protruding head, and the plastic sheet at the bottom of said steering seat 42 grooves passes through a protruding head on the plastic sheet. , linked with the perforation on the rear side of the steering seat 42, the opposite perforations on the upper bottom surface and the lower bottom surface of the steering seat 42 are connected with the inner holes of the two bearings in the rotating drum 22 through locking bolts, the steering The openings on the left and right sides of the bottom surface of the seat 42 are respectively connected to the left extension spring and the right extension spring, and the left extension spring and the right extension spring are connected to the left ear piece 25 and the right extension spring respectively. The right lug 25 described above, the two rear wheels 8 are respectively sleeved on the two ends of the rear wheel shaft 41, and then screwed on the two ends of the rear wheel shaft 41 with two anti-skid nuts for positioning. The rear wheel 8 is a 6-inch wheel that is respectively connected to a bearing on both sides of the wheel center. When the present invention turns, the plastic sheet at the bottom of the 42 grooves of the steering seat and the U-shaped bend on the left and right sides of the U-shaped elbow 21Ω type mouth The outer side is used as a limit, and the steering shaft 4 can be limited to the left or right within the range of 35°.

The electric drive system 9 includes: a hub motor 91, a battery 92, a controller 93 and a control switch, the motor 91 is a brushless hub motor, and the motor 91 is integrated with the hub of the front wheel 7 , the battery 92 is a lithium battery pack connected in series, the controller 93 is a brushless motor controller, the battery 92 and the controller 93 are placed in the battery box 11, the The control switch includes a speed regulating handle, a power-off brake handle and a power control lock. The power control lock is installed on the side of the upper part of the battery box 92, and the speed regulating handle is installed on the handle. On the right side of the tube 23, the power-off brake handle is installed on the handle bar 23, and the power control knob, the speed regulating handle and the power-off brake handle are connected through the connecting wire The connector is connected with the controller 93, and the controller 93 is connected with the battery 92 and the motor 91 through the connecting wire and the connector.

Claims (8)

1. An X-shaped foldable swing handle turning three-wheeled electric vehicle, comprising vehicle frame I, vehicle frame II, folder, steering shaft, vehicle seat, positioning card, front wheel, two rear wheels and electric drive system, its characteristics Yes: frame Ⅰ includes battery box, seat tube, footrest tube and front fork. The battery box is a metal box with a cover on the top. The front top of the battery box is welded to the lower leaf of the folder, and the rear side of the upper part of the battery box is welded to the seat tube. , the front bottom of the battery box is welded to the front fork, the front fork is bent from a flat strip of metal sheet into a groove with an opening downward, the front top of the front fork and the front side of the bottom of the battery box are welded to the footrest, the front The front wheel is installed at the lower end of the fork, and the seat is installed in the seat tube; the frame II includes a U-shaped bend, a rotating drum, a handle bar, an upper connecting piece, a left lug and a right lug, and the U-shaped bend is made of a The middle of the round pipe is bent in a U shape, and the U-shaped bend of the U-shaped pipe is flattened to form an Ω-shaped mouth. In the mouth, the drum welded in the Ω-shaped mouth of the U-shaped elbow is inclined up and down with the ground. The horizontal pipe is welded to the upper top of the two arc-shaped bends of the U-shaped elbow, and the upper connecting piece is welded to the U-shaped elbow. The two inner sides of the upper part of the U-shaped elbow, the left ear piece and the right ear piece are welded under the two sides of the rear part of the U-shaped elbow, and the two inner sides of the middle part of the U-shaped elbow are welded to the upper leaf of the folder. The upper leaf is made of a metal sheet The left and right sides of the upper leaf are folded down into a groove shape. There are a pair of mutual transverse perforations on both sides of the rear end of the upper leaf. Each is inlaid with a bearing, and the upper piece is connected to the positioning card. The C-shaped bayonet of the positioning card corresponds to the seat tube; the folder includes the lower leaf, the upper leaf, the lock hook, the lock hook spring and the positioning bolt. The lower leaf is made of a metal The left and right sides of the lower leaf are folded upwards, and the upward folded edges of the lower leaf are in a figure-eight shape with a small front and a large rear. There are a pair of mutual transverse perforations on the front and rear ends of the two sides of the lower leaf. The through hole is rotatably connected with the lock hook through the lock bolt, and the lock hook spring and the positioning bolt are installed together. The steering shaft includes the rear wheel shaft, the steering seat, the left extension spring and the right extension spring. The steering seat is welded in the middle of the rear wheel axle. It is rotatably connected with the drum, the left and right extension springs are respectively connected to the left and right extension springs on the bottom side of the steering seat, the left and right extension springs are connected to the left and right lugs respectively, and a rear wheel; the electric drive system includes a motor, a battery, a controller and a control switch, the motor is arranged on the front wheel, and the battery and the controller are all placed in the battery box; the battery box is a rectangular box-shaped battery box, and the battery The top of the box has a top cover, the seat tube is composed of a round tube with a saddle tube clip on the top; the front fork is bent from a flat metal sheet into a groove with an opening downward , the two lower ends of the front fork are provided with U-shaped gaps, the two ends of a circular tube are respectively socketed with a plastic sleeve for the described footrest tube, and the described front wheel is an 8-inch motor wheel. 2. The X-shaped foldable pendulum turning three-wheeled electric vehicle according to claim 1 is characterized in that: the two tops of the U-shaped elbow bent upwards are provided with horizontal arc openings on the left and right sides, and the U-shaped elbow The left and right horizontal arc openings at the two tops of the U-shaped elbow correspond to the pipe diameter of the handle bar, and the left and right horizontal arc openings at the two top ends of the U-shaped elbow are welded to the handle bar. 3. The X-shaped foldable pendulum-turning electric tricycle according to claim 1 is characterized in that: the rotating cylinder is formed by a step at the upper and lower ends of a tube for placing bearings, and the The left and right sides of the upper connecting piece are bent downward into a ︹ shape, and the upper connecting piece is stamped from a flat metal sheet. There is a connecting hole in the middle of the upper connecting piece, and the left ear and the The right ear piece is a metal sheet with a hole, and the connecting hole of the upper connecting piece is screwed to the screwing hole of the positioning card by bolts. 4. The X-shaped folding swing handle turning electric tricycle according to claim 1 is characterized in that: the positioning card is a plastic part with a C-shaped bayonet on the top and a screw hole on the top, so The C-shaped bayonet of the positioning card is engaged with the folded seat tube of the car. 5. The X-shaped folding swing handle turning electric tricycle according to claim 1, wherein the lock hook is a part with a hook-shaped upper end, a ring-shaped middle part and a handle at the lower part, and the lock hook There is a long hole on the handle of the hook, the long hole of the lock hook corresponds to the threaded hole on the upper front side of the battery box, and the ring shape of the lock hook is rotatably connected with the transverse perforation hole at the front end of the lower leaf through the locking bolt , place the locking hook spring between the threaded hole on the upper front side of the battery box and the long hole of the locking hook, use the positioning bolt to penetrate into the long hole of the locking hook and the spring, and then screw it into the upper part of the battery box In the threaded hole on the front side, the lock hook can hook the front edge of the upper leaf. 6. The X-shaped foldable swing handle turning electric tricycle according to claim 1 is characterized in that: the rear wheel shaft is formed by welding a bolt at both ends of a round tube, and the rear wheel shaft The steering seat is welded in the middle of the steering seat. The steering seat is bent from a T-shaped metal sheet into a groove-shaped part with an opening facing forward. The left and right sides of the bottom surface of the steering seat protrude outwards. There is an opening on the left and right sides of the seat, the middle part of the upper bottom surface of the steering seat and the middle part of the lower bottom surface have a mutual pair of perforations, the rear side of the steering seat has a perforation, and the groove-shaped groove of the steering seat A plastic sheet is inlaid at the bottom, and the rear side of the plastic sheet embedded in the bottom of the steering seat groove has a protruding head. For connection through perforation, the opposite perforations on the upper bottom surface and the lower bottom surface of the steering seat are connected to the inner holes of the two bearings in the drum through locking bolts, and the openings on the left and right sides of the lower bottom surface of the steering seat are respectively connected to the inner holes of the two bearings. The left extension spring and the right extension spring, when the three-wheeled electric vehicle turns, the plastic sheet at the bottom of the steering seat groove and the outer sides of the U-shaped bend on the left and right sides of the U-shaped elbow Ω-shaped mouth can be used as a limiter. The said steering shaft is limited to the left or right within the range of 35°. 7. The X-shaped folding swing handle turning three-wheel electric vehicle according to claim 1 is characterized in that: the two rear wheels are respectively sleeved on the two ends of the rear wheel shaft, and then screwed with two anti-skid nuts respectively. Connect to the two ends of the rear axle for positioning. 8. The X-shaped folding swing handle turning electric tricycle according to claim 1, characterized in that: the motor is a brushless hub motor, and the motor is integrated with the hub of the front wheel, The battery is a lithium battery pack connected in series, the controller is a brushless motor controller, the control switch includes a speed control handle, a power-off brake handle and a power control lock, and the power control lock is installed On the side of the upper part of the battery box, the speed regulating handle is installed on the right side of the handle bar, the power-off brake handle is installed on the handle bar, and the power control The lock, the speed regulating handle and the power-off brake handle are connected to the controller through the connecting wire and the connector, and the controller is connected to the battery and the described controller through the connecting wire and the connector. Motor connections described above.