CN210364209U

CN210364209U - Electronic travelling basket can ride

Info

Publication number: CN210364209U
Application number: CN201920940432.9U
Authority: CN
Inventors: 顾国兴; 秦斐
Original assignee: Changzhou Shuan Vehicle Co ltd
Current assignee: Changzhou Shuan Vehicle Co ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-04-21
Anticipated expiration: 2029-06-20

Abstract

The utility model relates to an electric traveling case, especially an electric traveling case can ride, it is little to have available space in order to solve current electric traveling case, turns to the problem of turning on one's side easily and user experience is poor during the travel, provides an electric traveling case can ride, including the front wheel and the rear wheel that can supply the user to ride the box of sitting, support the box and advance, the front wheel is installed on the front fork device, the box on install swing arm mechanism, the front fork device is installed on swing arm mechanism, swing arm mechanism rotates folding under the drive of driver, will be located the side of the rotatory folding to the box of front fork device of box advancing direction, the utility model has the characteristics of the operation is stable, crosses curved steadily and controls comfortablely.

Description

Electronic travelling basket can ride

Technical Field

The utility model relates to an electronic travelling basket, especially an electronic travelling basket can ride.

Background

The existing Chinese patent No. CN 208550268U discloses an electric traveling case, which has three problems:

1. the handlebar is telescopic, has increased the sleeve in the box in order to realize flexible, leads to occupying the box volume too big to the space that the user can place article has reduced.

2. Two rear wheels are adopted, but the thickness of the box body is too small, namely the distance between the two wheels is too short, so that the problem is not great when the bicycle runs in a straight line, and the bicycle is easy to turn on one side when the bicycle turns, particularly when the bicycle turns sharply.

3. The pedal is installed on the front fork, and the front fork drives the pedal and rotates together when turning to, can appear turning to the difficulty or the user must lift the foot when turning to when being used for the foot to step on above, and user experience is poor.

The problem that the existing electric traveling case is small in available space, easy to turn over during traveling and poor in user experience is solved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problems that the available space of the existing electric traveling case is small, the existing electric traveling case is easy to turn on one's side and the user experience is poor when the existing electric traveling case runs, the electric traveling case capable of being ridden is provided.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an electronic travelling basket can ride, is including the box that can supply the user to ride and sit, front wheel and the rear wheel that the support box marchd, and the front wheel is installed on the front fork device, the box on install swing arm mechanism, the front fork device is installed on swing arm mechanism, swing arm mechanism rotates folding under the drive of driver, will be located the rotatory side of folding to the box of front fork device of box advancing direction.

For convenience of use, the swing arm mechanism is driven by the driver to rotate and lift, and the front fork device is rotated and folded to the side face of the box body, and the front wheel is lifted off the ground.

Furthermore, the swing arm mechanism comprises a swing arm, a rotating shaft device and a driver, the driver is a motor, the swing arm is installed on the box body through the rotating shaft device, the driver drives the swing arm to rotate around a rotating shaft of the rotating shaft device, and the rotating shaft device is provided with a spiral guide mechanism for enabling the swing arm to be spirally lifted under the guide of the spiral guide mechanism.

Furthermore, the rotating shaft device specifically comprises a shell and a screw rod which is installed through the shell and serves as a rotating shaft of the swing arm, the swing arm is matched with the screw rod through a nut structure, the driver drives the screw rod to rotate, the shell is provided with a spiral guide mechanism, and the swing arm is driven by the screw rod to be spirally lifted under the guide effect of the spiral guide mechanism.

Preferably, the rotating shaft device further comprises pressure-resistant rubber, and the pressure-resistant rubber is sleeved at the upper end and the lower end of the screw rod and used for restricting the ascending stroke and the descending stroke of the swing arm.

In order to facilitate the turning of the vehicle armrest, the upper part of the front fork device is provided with the vehicle armrest, the vehicle armrest is connected with the lower part of the front fork device through a telescopic pull rod structure, the telescopic pull rod structure comprises an upper pull rod and a lower pull rod, the vehicle armrest is fixed on the upper pull rod, the lower pull rod is connected with the lower part of the front fork device, the upper pull rod can telescopically and rotatably penetrate into the lower pull rod, the upper end of the lower pull rod is provided with a slot, a hoop structure is hooped on the slot part to lock the telescopic positions of the lower pull rod and the upper pull rod, a rotary locking structure is arranged between the upper pull rod and the lower pull rod, the rotary locking structure comprises an upper clamping piece, a lower clamping piece, a spring limiting piece and an upper blocking piece, the upper clamping piece, the lower clamping piece, the spring and the spring limiting piece are sleeved on the lower end of the upper pull rod from top to bottom, the adjacent end surfaces of the upper clamping piece and the lower clamping piece are provided with a raised head and a groove which are meshed in a matched mode, the raised head and the groove are used for rotationally locking the upper pull rod when the vehicle armrest is in a riding state after rotating 90 degrees, the spring acts on the lower clamping piece to push the lower clamping piece to compress the upper clamping piece, the upper clamping piece is sleeved on the upper clamping piece, the outline of the lower clamping piece is larger than the inner hole of the upper blocking piece, and the upper section of the rod hole of the lower clamping piece is provided with a limiting structure for blocking the upper blocking piece from dropping out.

In order to facilitate the footrest of a user, the swing arm is provided with a pedal structure which comprises pedals and unlocking rods, the pedals are hinged on the left side and the right side of the swing arm, the pedals are rotatably folded on the left side and the right side of the swing arm through pedal elastic reset pieces, the unlocking rods are arranged in an inner cavity of the swing arm, the front ends of the unlocking rods are provided with locking groove plates, the left side and the right side of the locking groove plates are provided with locking grooves, the unlocking rods are centrally reset left and right through the centrally reset elastic pieces, the rear ends of the unlocking rods extend out of the swing arm and are maintained in a stretching state through the unlocking reset elastic pieces, the rear ends of the unlocking rods are pushed forwards by the box body when the swing arm rotates to an opening state, the unlocking rods overcome the elastic action of the unlocking reset elasticity to drive the locking groove plates to move forwards to a locking position, the inner end of the pedals on one, the locking to the pedal is realized, when the swing arm is rotated and folded, the rear end of the unlocking rod is separated from the box body, the unlocking reset elastic piece pushes the unlocking rod to reset and extend out, the locking groove plate moves backwards, and the locking effect on the inner end of the pedal is released.

Furthermore, the unlocking reset elastic piece is a spiral spring and is positioned in front of the locking groove plate, the centering reset elastic piece comprises a sleeve and arched elastic parts at the left side and the right side of the sleeve, the centering reset elastic piece is sleeved on the unlocking rod through the sleeve, and the top of each arched elastic part acts on the left side and the right side of the inner cavity of the swing arm; the swing arm is provided with a pedal groove, pedals on the left side and the right side of the swing arm are all matched with auxiliary pedals and connecting rods to jointly form a pedal frame, the inner ends of the auxiliary pedals are hinged to the swing arm, the two ends of the connecting rods are hinged to the outer end portions of the auxiliary pedals and the matched pedals, the pedal frame and the swing arm form a parallel four-bar mechanism, the pedal frame can be rotated and folded into a linear state to enter the pedal groove, the swing arm is an L-shaped swing arm and comprises a long vertical section and a short vertical section, the rear end of the short vertical section is matched with a lead screw, the front end of the long vertical section is connected with a front fork device, the pedal structure is arranged in the long vertical section, and the rear end of an unlocking rod penetrates out.

For reliably locking the front fork device, the side of box the front fork embedded groove has, the spring bolt of elastic telescopic installation is provided with in the entry both sides of front fork embedded groove, two spring bolts pair the setting and extend the entry that shelters from the front fork embedded groove from top to bottom, two relative swing arms of spring bolt are located its top, the front of spring bolt is the interior inclined plane, a bolt gets into the front fork embedded groove for make front fork device accessible inclined plane push away the spring bolt, the upper segment at the back of spring bolt is straight face, a front fork device for pinning embedding front fork embedded groove, the hypomere at the back of spring bolt is the plane of extroversion, a spring bolt is pushed away by supreme down for this plane of extroversion of front fork device accessible when the swing arm drives the front fork device outward pendulum.

As preferred, the upper segment of the side of spring bolt be vertical face, the hypomere is the inclined plane for form the clearance that enlarges gradually from top to bottom at the hypomere of spring bolt when two spring bolts are closed, the upper segment and the hypomere of the back of spring bolt between pass through the inclined plane transition, the flexible concrete structure of installing of spring bolt elasticity do: the entry both sides of front fork embedded groove have the spring bolt mounting groove, and the spring bolt is installed in this mounting groove, has the spring bolt spring in the mounting groove for promote spring bolt elastic expansion.

Furthermore, the rotating shaft device of the swing arm mechanism further comprises a pull-wire power nut and a linear guide structure, the pull-wire power nut is sleeved on the lead screw, the pull-wire power nut is driven by the lead screw to linearly move under the guidance of the linear guide structure, and the pull-wire power nut is connected with the pull wire and outputs power outwards through the pull wire.

Specifically, the linear guide structure is a clamping groove formed in the inner wall of the shell, the stay wire power nut is embedded into a protruding portion of the clamping groove, the stay wire power nut is close to the swing arm, elastic rubber is arranged between the stay wire power nut and the swing arm, and the elastic rubber is sleeved on the lead screw.

In order to facilitate operation and control, the rear wheels at the bottom of the box body comprise pulleys and rear riding wheels, the rear riding wheels are installed on the rear wheel folding and unfolding device to be folded and unfolded, and the opened rear riding wheels and the front wheels lift the pulleys of the box body away from the ground.

Preferably, the rear riding wheel folding and unfolding device folds and unfolds the rear riding wheel in a mode of rotating from a horizontal folding state to a vertical opening state, the rear riding wheel folding and unfolding device rotates and unfolds under the action of a pull wire and rotates and resets under the action of a reset tension spring, and the pull wire is powered by a swing arm mechanism.

Specifically, the rear riding wheel folding and unfolding device comprises a rear wheel support, a pull wire and a reset tension spring, the rear riding wheel is mounted on the rear wheel support, the rear wheel support is rotatably mounted on the box body through a rotating shaft, the rear wheel support is rotated to a vertical opening state from a horizontal folding state under the action of the pull wire, and the rear wheel support is rotated and reset under the action of the reset tension spring.

Or, the rear wheel folding and unfolding device comprises a rear wheel support, a pull wire, a reset tension spring and a driving connecting rod structure, the rear riding wheel is arranged on the rear wheel support, the rear wheel support is rotatably arranged on the box body through a rotating shaft, the pull wire drives the rear wheel support to rotate from a horizontal folding state to a vertical opening state through the driving connecting rod, the reset tension spring acts on the rear wheel support or the driving connecting rod to rotate the reset rear wheel support, the driving connecting rod structure comprises a rocker and a connecting rod, one end of the rocker is hinged on the box body, the other end of the rocker is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with the rear wheel support, the rocker, the connecting rod and the rear wheel support form a rocker mechanism, one side or two sides of the rocker are provided with a stretching driving end, the pull wire and the reset tension spring respectively act on the driving ends to drive the rocker to swing, the swinging of the rocker, the rocker is limited by the limiting piece and the rocker and the connecting rod pass through the collinear position of the rocker and the connecting rod and are used for forming a blocking effect on the rear wheel support.

Furthermore, the number of the rear riding wheels is one, the rear riding wheel is collected and placed by the rear wheel collecting and placing device in a left-right rotating mode, the two sides of the rocker are provided with extending driving ends, the pull wire and the reset tension spring are respectively connected with the two driving ends of the rocker, and the pull wire drives the rear wheel support to be vertically opened in a mode of upwards pulling the driving ends; or the number of the rear riding wheels is two, the rear riding wheels are respectively positioned on two sides of the box body, the rear riding wheels are collected and placed by the rear wheel collecting and placing device in a manner of rotating towards the inner side direction of the box body, the two rear wheel collecting and placing devices are identical in structure and are symmetrically arranged, the rocker is provided with a driving end extending towards the inner side, the pull wire and the reset tension spring act on the driving end, and the pull wire drives the rear wheel support to be vertically opened in a manner of upwards pulling the driving end.

The beneficial effects are that, the utility model discloses an electronic travelling basket can ride, the swing arm expandes to become the travelling basket that can supply the people to ride, the swing arm adopts the L type, it is laminating box outer wall when the swing arm draws in, do not occupy the box inner space, it is folding to adopt the side direction upset when the rear wheel diameter is great, it is small to occupy the box, the rear wheel adopts singly, electronic case under the whole electric motor car mode is the two-wheeled, there is not the short problem that can turn on one's side of turning of the axle spacing overlength, or the axle spacing increase between the back two-wheeled improves the stability of turning over, secondly, built-in pedal in the swing arm, convenience of customers bracket to do not influence turning to when riding, the utility model has the characteristics of stable operation, it is steady and control comfortable to.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a swing arm mechanism according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of the internal structure of fig. 2 according to the first embodiment of the present invention.

Fig. 4 is a schematic structural view of an L-shaped swing arm according to an embodiment of the present invention.

Fig. 5 is the utility model discloses a receive and release the sketch map around the rear wheel of riding.

Fig. 6 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a swing arm mechanism with an unlocking lever according to a third embodiment of the present invention.

Fig. 8 is an enlarged view at B in fig. 7.

Fig. 9 is a sectional view of a third swing arm according to an embodiment of the present invention.

Fig. 10 is an expanded view of the three-foot pedal structure according to the embodiment of the present invention.

Fig. 11 is a riding electric traveling case with a pedal structure in the third embodiment of the present invention.

Fig. 12 shows a pull rod structure according to a fourth embodiment of the present invention.

Fig. 13 is a cross-sectional view of the four-bar linkage according to the embodiment of the present invention when pulled out.

Fig. 14 is a cross-sectional view of the four-bar linkage of the embodiment of the present invention in the riding state.

Fig. 15 is a cross-sectional view of the four-bar linkage of the embodiment of the present invention in a non-riding state.

Fig. 16 is an internal schematic view of a four-bar linkage according to an embodiment of the present invention.

Fig. 17 is a schematic structural view of a fifth fork insertion groove according to the embodiment of the present invention.

Fig. 18 is a sectional view of a fifth embodiment of the present invention showing a front fork insertion groove.

Fig. 19 is a schematic view of a fifth embodiment of the present invention.

Fig. 20 is a diagram showing the relationship between the latch and the front fork according to the fifth embodiment of the present invention.

Fig. 21 is a schematic structural view of the single rear riding wheel side folding and unfolding according to the sixth embodiment of the present invention.

Fig. 22 is a schematic structural view of a sixth embodiment of the present invention, after the single rear riding wheel is unfolded in the lateral direction.

Fig. 23 is a schematic structural view of a single rear riding wheel according to a sixth embodiment of the present invention after being folded in the lateral direction.

Fig. 24 is a schematic structural view of a seventh embodiment of the present invention, after the double rear riding wheel side is unfolded.

Fig. 25 is a schematic structural view of a seventh embodiment of the present invention after the double rear riding wheels are folded in the lateral direction.

Fig. 26 is an enlarged view at a in fig. 25.

Fig. 27 is a real object diagram of the seventh embodiment of the present invention after the double rear riding wheels are unfolded.

In the figure: 100. the bicycle comprises a box body, 101, a rear riding wheel, 102, a rotating shaft, 103, a first driving lever, 104, a second driving lever, 105, a third driving lever, 106, a fourth driving lever, 107, a fifth driving lever, 108, a frame stay wire sleeve, 109, a bicycle body, 110, a rear wheel bracket, 111, a fixed fulcrum, 112, a shaft sleeve, 113, a reset tension spring, 114, a limiting structure, 115, a pulley and 116, and a hinge.

200. The device comprises a swing arm mechanism, 201 screw rods, 202 an upper cover plate, 203 elastic rubber, 204 a lower cover plate, 205 a lower nut, 206 an upper nut, 207-1 an upper bearing, 207-2 a lower bearing, 208 a wire pulling sleeve, 209-1 upper pressure-resistant rubber, 209-2 lower pressure-resistant rubber, 210 a wire pulling power nut, 211 a wire pulling, 212 a motor, 213 a gear box, 214 a side shell, 215 a clamping groove, 216 a spiral guide mechanism, 217 a swing arm, 218 a front fork device, 219 a front wheel and 220 a front fork.

300. Pedal structure, 301, unlocking return elastic piece, 302, pedal frame, 303, unlocking rod, 304, central return elastic piece, 305, top plate, 306, locking groove plate, 307, pedal elastic return piece, 308, locking groove, 309, pedal, 310, connecting rod, 311, auxiliary pedal.

400. The handle structure comprises a pull rod structure 401, an upper pull rod, 402, an upper clamping piece, 403, a lower pull rod, 404, an upper stop piece, 405, a lower clamping piece, 406, a spring, 407, a spring limiting plate, 408, an armrest, 409, a limiting structure, 410, a hoop structure and 411, a handle.

500. Front fork embedded groove, 501 bolt mounting groove, 502 bolt spring, 503 bolt.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Example one

The riding electric travel suitcase as shown in fig. 1 to 5 has a swing arm mechanism 200 fixedly installed on the outer wall of the case 100, a side shell 214 of the swing arm mechanism 200 is fixedly connected with the case 100, the swing arm mechanism 200 drives a front fork device 218 to swing horizontally, the front fork device 218 can be lifted or lowered while swinging, a front wheel 219 is installed on a front fork 220 of the front fork device 218, and a handle 408 is installed at the top end of the front fork device 218.

The front wheel 219 is the action wheel, adopts brushless motor drive, and front wheel 219 is connected through the wire and controller electricity, installs the electric door on the car handrail 408, and the electric door is connected through the wire and controller electricity to through twisting or loosening the mode of electric door, send the signal for the controller, control the battery by the controller again and give the size of front wheel delivery current, thereby realize the speed governing, do not have the demonstration of electric door in the picture.

As shown in fig. 2 and fig. 3, the swing arm mechanism 200 is a schematic structural diagram, the swing arm mechanism 200 includes a swing arm 217, a rotating shaft device and a driver, the driver is a motor 212, the swing arm 217 is mounted on the box body 100 through the rotating shaft device, the driver drives the swing arm 217 to rotate around a screw rod as a rotating shaft, and a spiral guide mechanism 216 is provided on the rotating shaft device for spirally lifting the swing arm 217 under the guidance of the spiral guide mechanism 216.

The swing arm mechanism 200 has the following specific structure: an output shaft of a motor 212 is fixedly connected with an input end of a gear box 213 and drives the gear box 213 to rotate when rotating, the gear box 213 is screwed on an upper cover plate 202 through screws, the upper cover plate 202 belongs to one part of a shell, the shell consists of a side shell 214, and an upper cover plate 202 and a lower cover plate 204 which are fixedly installed at two ends of the side shell 214, an output end of the gear box 213 is fixedly connected with a screw rod 201, the screw rod 201 is sequentially downwards arranged with the direction of the gear box 213 as a starting point, and one to two upper nuts 206, an upper bearing 207-1, the upper cover plate 202, upper pressure-resistant rubber 209-1, a pull wire power nut 210, elastic rubber 203, a swing arm 217, lower pressure-resistant rubber 209-2, a lower cover plate 204, a lower bearing 207-2 and one; the screw rod 201 is externally provided with external threads and is respectively pressed into the upper cover plate 202 and the lower cover plate 204 and the side shell 214 through the upper bearing 207-1 and the lower bearing 207-2 for fixing and supporting, can do continuous circular rotation motion, the side shell 214 is cylindrical and is fixedly arranged between the upper cover plate 202 and the lower cover plate 204 in a welding, clamping or bolt fixing mode, the side shell 214 and the box body 100 are fixedly connected in a welding, gluing or clamping mode and the like, the side shell 214 is provided with a spiral guide mechanism 216 with a spiral angle of 180 degrees, the rear section of the swing arm 217 extends into the spiral guide mechanism 216, and is matched with a screw rod and a nut of the screw rod 201, the spiral guide mechanism 216 is an arc chute, the arc angle is 180 degrees, the rear section of the swing arm 217 is clamped in the chute of the spiral guide mechanism 216 of the side shell 214, when the screw rod 201 rotates, the swing arm 217 moves up and down, and meanwhile, the swing arm 217 slowly swings horizontally for 180 degrees; the inner wall of the side shell 214 is provided with a clamping groove 215, the length of the clamping groove 215 is the same as the height of the side shell 214, a protruding part of a pull-wire power nut 210 is arranged in the clamping groove 215 in a sliding mode, a pull wire 211 is fixedly installed in the protruding part of the pull-wire power nut 210, in order to enable a swing arm 217 to smoothly swing for 180 degrees and tighten or loosen the pull wire 211 during swinging, a copper nut is embedded in one end of the swing arm 217 and is matched with the thread on the lead screw 201 in a positive fit mode, an inner thread matched with the lead screw 201 is arranged in the middle of the pull-wire power nut 210, the pull-wire power nut 210 is matched with the lead screw 201 through the lead screw and the nut, the protruding part of the pull-wire power nut 210 is clamped in the clamping groove 215 of the side shell 214 at the same time, the pull-wire power nut 210 can only vertically move vertically and vertically when the lead screw 201 is matched with the thread 215 and rotates, the pull wire 211 is fixed on, the wire 211 is forced to follow the up-and-down movement.

The function of each part is further described, wherein:

the screw 201 and the swing arm 217 are matched to convert the rotary power source of the motor 212 into the up-and-down motion and horizontal swing of the swing arm 217.

The upper cover plate 202, the lower cover plate 204 and the side casing 214 together form a housing, and the upper cover plate 202 and the lower cover plate 204 are used for positioning the screw rod 201 in the side casing 214 and transmitting all bearing force to the side casing 214.

The elastic rubber 203 is arranged between the swing arm 217 and the wire power nut 210 and is compressed for eliminating abnormal sound generated by the gap.

The lower nut 205 and the upper nut 206 are used for fixing the screw 201 between the upper cover plate 202 and the lower cover plate 204, and the axial relative positions of the lower nut 205 and the upper nut 206 are adjusted by rotating the three.

The upper bearing 207-1 and the lower bearing 207-2 eliminate the friction resistance of the swing arm 217 and the lead screw 201 when rotating relative to the shell 214, and the pull wire sleeve 208 can bend the pull wire 211 at any angle and transmit the force to the movable part.

The upper pressure-resistant rubber 209-1 and the lower pressure-resistant rubber 209-2 are made of high-density pressure-resistant and wear-resistant materials, and are extruded and deformed to generate large reaction force and large friction force when the mechanism moves, so that the current of the motor 212 is amplified, a controller obtains a signal, when the swing arm 217 presses the upper pressure-resistant rubber 209-1 or the lower pressure-resistant rubber 209-2, the upper pressure-resistant rubber 209-1 or the lower pressure-resistant rubber 209-2 also provides the swing arm 217 with large reaction force and large friction force, at the moment, the reaction force is transmitted to the motor 212 to amplify the current of the motor 212, the controller responds after induction, the power supply is cut off to stop moving, so that the swing arm 217 enters a specified position and is threaded in place, the elastic rubber 203 is arranged between the swing arm 217 and the wire drawing power nut 210, the elastic rubber 203 has enough compression stroke, and the elastic rubber 203 cannot be damaged or stop the swing of the swing arm 217 when the swing, and generates an elastic force of about 50 n for eliminating noise and vibration generated from the gap between the wire pulling power nut 210 and the swing arm 217.

The pull-wire power nut 210 is a power source of the pull wire 211, and converts the power of the motor 212 into the up-down pulling force through the lead screw 201 and transmits the up-down pulling force to the pull wire 211.

The outside package of acting as go-between 211 has the sleeve pipe of acting as go-between 208, and the sleeve pipe of acting as go-between 208 plays the strength transmission effect, and the acting as go-between 211 can be the steel wire product of no protective sheath, or take the protective sheath and have the cover of oil emollient in the protective sheath to act as go-between, and both are the market purchase, adopt the acting as go-between 211 that does not have the protective sheath in the picture, so set up the sleeve pipe in the junction and play the effect of protection acting as go-between 211, the sleeve pipe can be omitted when selecting the acting as.

The motor 212 is the power source of the entire mechanism.

The housing 214 is the carrier of the entire mechanism.

The clamping groove 215 and the spiral guide mechanism 216 play a guiding role, so that the wire pulling power nut 210 and the swing arm 217 move in a specified track, and when the wire pulling power nut 210 moves to the stroke end point, the swing arm 217 swings 180 degrees.

As shown in fig. 4, the ridable electric traveling case is characterized in that a swinging arm 217 is connected with a front fork device 218, the swinging arm 217 is L-shaped, the swinging arm 217 comprises a long vertical section and a short vertical section, the rear end of the short vertical section is matched with a screw rod 201, and the front end of the long vertical section is connected with the front fork device 218.

As shown in fig. 5, a rear riding wheel retracting device is rotatably mounted at the lower part of the box body 100, a pull wire 211 pulls a rear riding wheel 101 in the rear riding wheel retracting device, the rear riding wheel 101 is retracted to be convenient for a pulley 115 to push, so that the motion interference of redundant wheels is avoided, the rear riding wheel 101 is put down, and the rear riding wheel 101 and a front wheel 219 which is put down simultaneously form a two-wheeled electric vehicle to realize electric driving.

The rear riding wheel 101 is arranged in a rear wheel bracket 110, a hinge 116 is formed by stringing two sheets of stamping parts through a hinge pin, one sheet of stamping part is fixed on the box body 100, the other sheet of stamping part is fixed on the rear wheel bracket 110, the rotation of the hinge 116 drives the rear wheel bracket 110 to rotate in the front-rear direction by taking the hinge pin as an axis, the other end of the swing arm mechanism 200, which leads out the pull wire 211, is fixed on the rear wheel bracket 110, and in order to beautifully route and prolong the service life of the pull wire 211, a sleeve pipe is sleeved on the pull wire 211 or a sleeve pipe is sleeved at a certain part to protect the pull wire 211; one end of a return tension spring 113 is fixed on the case 100 to fix the return tension spring 113 immovably, and the other end of the return tension spring 113 is fixed on the rear wheel bracket 110; in order to prevent that the stay wire 211 from breaking and leading to the rear wheel 101 of riding to pack up when riding, the rear wheel 101 of riding is rotated and is opened by preceding to the back, the rear wheel support rotates vertical position slightly when vertically opening, there is limit structure 114 in box 100 bottom, after riding wheel 101 and expanding, rear wheel support 110 supports on limit structure 114, the user sits on box 100, the atress is all on limit structure 114, even stay wire 211 breaks suddenly, the wheel 101 of riding after can't be packed up to the extension spring 113 that resets, the incident can not appear yet, it can normally pack up rear wheel 101 to reset extension spring 113 after the user stands up.

The rear riding wheel 101 is changed from suspension to falling forward: the rear riding wheel 101 is in a retracted and suspended state, the front wheel 219 is also in a retracted and folded state at the moment, when the bicycle is to be unfolded, the front wheel 219 is driven by the swing arm mechanism 200, the pull wire 211 is gradually unfolded to be tightened, when the tension force of the pull wire 211 exceeds the elastic force of the automatic return reset tension spring 113, the rear wheel support 110 swings backwards by taking the hinge pin as the axis until pushing against the limiting structure 114 of the box body 100, the rear riding wheel 101 is lifted up and is released for 100mm at the distance from the ground, the front wheel 219 is correspondingly released for 100mm at the moment, the two wheels form a set of two-wheel vehicle which is supported by the ground, and the front wheel 219 can be electrically driven.

Retraction of rear riding wheel 101: when the swing arm mechanism 200 is started to rotate and retract, the pull wire 211 is loosened, the tension force on the rear wheel support 110 disappears, at the moment, the tension force of the reset tension spring 113 is larger than that of the pull wire 211, the reset tension spring 113 pulls the rear wheel support 110 to swing forwards and return by taking the hinge pin as an axis until the tension force of the pull wire 211 completely disappears, the rear riding wheel 101 is attached to the bottom end of the box body 100 after being retracted, namely, the rear riding wheel 101 is retracted and suspended in place, and is lifted by 100 mm.

The whole electric traveling case has the working process that:

1. upward retraction: after the motor 212 receives an instruction sent by the controller, the motor 212 is started, the head part of a main shaft of the motor 212 is flat, a pinion is arranged, the motor 212 rotates clockwise, the pinion is driven to rotate, the pinion passes through a three-stage reduction gearbox and is finally transmitted to the screw rod 201 to rotate, the wire pulling power nut 210 and the swing arm 217 move upwards simultaneously under the driving of the screw rod 201, the wire pulling power nut 210 is forced to move upwards and downwards due to the limitation of the clamping groove 215 on the side shell 214, the wire pulling 211 is driven to move upwards, the wire pulling 211 in the wire pulling sleeve 208 is loosened at the moment, and the rear riding wheel 101 is folded and hidden. The stroke of the stay wire power nut 210 which does not touch rubber in the side shell 214 is 0-95 mm, but the stay wire power nut 210 rises to the position of 95mm, at the moment, the lead screw 201 has a free stroke which is larger than 5mm, the upper plane of the stay wire power nut 210 starts to contact the upper pressure-resistant rubber 209-1, the motor 212 is continuously driven, the upper plane of the stay wire power nut 210 starts to extrude the upper pressure-resistant rubber 209-1, the upper pressure-resistant rubber 209-1 generates large reaction force and large friction force after being pressed for 5mm, which is enough to amplify the current of the motor 212, at the moment, after the controller senses a current amplification signal, the controller reacts, switches off the switch, cuts off the current, the motor 212 stops rotating, and simultaneously the friction force leads each mechanism to be stably fixed in place, the whole preset lead screw 201 self-stroke of 100mm is completed, namely, the purposes that the stay wire power nut 210 and the swing arm, when the swing arm 217 moves upwards under the driving of the lead screw 201, the swing arm 217 is forced to slowly swing 180 degrees in the horizontal direction under the guiding action of the spiral guiding mechanism 216 of the side shell 214, at the moment, the gap between the wire pulling power nut 210 and the swing arm 217 is slightly reduced, the elastic rubber 203 is arranged between the swing arm 217 and the wire pulling power nut 210, and the elastic rubber 203 has enough compression stroke, so that the elastic rubber 203 cannot be damaged or stop the swing of the swing arm 217 after the swing arm 217 rotates 180 degrees, and 50 newtons of elasticity is generated for eliminating noise and vibration generated by the gap between the wire pulling power nut 210 and the swing arm 217, when the wire pulling power nut 210 collides and extrudes the upper pressure-resistant rubber 209-1 to stop the rotation of the lead screw 201, the swing arm 217 also stops moving, at the moment, the synchronous lifting of 100mm of the swing arm 217 and the wire pulling power nut 210 and the horizontal swing of the swing arm 217 180, this automatically retracts the fork assembly 218 into the fork nest 500 of the housing 100.

2. And (3) downlink opening: when the front fork device 218 is in a retracted state, the swing arm 217 is positioned at the uppermost end of the spiral guide mechanism 216 on the side shell 214, when the motor 212 receives a command sent by the controller, the motor rotates anticlockwise to drive the pinion to rotate, the pinion passes through the three-stage reduction gearbox and is finally transmitted to the screw rod 201 to rotate, the motor 212 drives the swing arm 217 to move downwards, the wire pulling power nut 210 and the swing arm 217 simultaneously move downwards under the drive of the screw rod 201, at the moment, the upper pressure-resistant rubber 209-1 in contact with the wire pulling power nut 210 has 5mm compression, the 5mm compression is easily released, after the completion, the wire pulling power nut 210 and the swing arm 217 continue to move downwards, at the moment, the distance between the wire pulling power nut 210 and the swing arm 217 is slightly increased, namely, the elastic rubber 203 is slightly decreased, the swinging of the swing arm 217 is not influenced, the silencing and vibration-proof functions are kept, the bicycle is forced to move downwards by 100mm in a straight line, meanwhile, the pull wire 211 in the pull wire sleeve 208 is tightened, so that the rear riding wheel 101 is erected, contacts the ground and lifts the suitcase by 60mm, the swing arm 217 swings horizontally and reversely while moving downwards under the action of the spiral guide mechanism 216 of the side shell 214, when the bicycle descends by 95mm, the lower pressure-resistant rubber 209-2 starts to be touched, at the moment, the lead screw 201 has a free stroke larger than 5mm, the lower plane of the swing arm 217 starts to be touched with the lower pressure-resistant rubber 209-2, the motor 212 is continuously driven, the lower plane of the swing arm 217 starts to extrude the lower pressure-resistant rubber 209-2, the lower pressure-resistant rubber 209-2 generates large reaction force and large friction force after being pressed by 5mm, the current of the motor 212 is amplified, at the moment, the controller reacts to turn off a switch and cut off the current after sensing a current amplification signal, the motor 212 stops rotating, and meanwhile friction force enables all mechanisms to be stably fixed in place, the whole preset lead screw 201 is automatically moved by 100mm, namely the pull wire power nut 210 and the swing arm 217 are lowered by 100mm, and the swing arm 217 horizontally swings by 180 degrees in the opposite direction, namely the front fork device 218 is separated from the front fork embedding groove 500 and horizontally overturns by 180 degrees, the front wheel 219 and the rear riding wheel 101 lift the whole travel suitcase by 60mm, and the front wheel and the rear wheel are kept horizontal, so that the riding state is finished.

The box 100 includes the internal frame structure of the car body 109, on its frame structure suit or injection molding can be open and shut outsourcing, the frame structure can be by the metal material longitudinal and transverse welding, the plastic steel rivet joint, the hollow tube and the connection piece of the plug-in or by the high molecular material of the integrated into one piece to get final product, in the figure uses the metal material to weld into a rectangular frame; the outer package of the injection molding part is a hard shell box body which is usually called as a big home, is mainly made of high polymer materials, memory metal materials or other composite materials which are not easy to damage and is arranged on the frame in a riveting, welding or gluing mode; the vehicle body 109 is mainly divided into two chambers, one chamber is used for placing travel luggage, the other chamber is used for placing electric equipment, for the convenience of keeping the center of gravity, the two chambers are generally arranged one above the other, and the electric equipment is arranged at the lower part of the vehicle body 109.

The electric equipment comprises a battery and a controller, the battery is a rechargeable battery, the battery can be a lead-acid battery or a lithium battery, in order to further reduce the dead weight and improve the storage space, the utility model discloses a lithium battery, in order to guarantee the stability and the persistence of power output, a plurality of 18650 type electric cores are adopted to connect and form a battery pack, the battery pack is connected into a battery pack according to the product model, the main reference value of the product model is the size decision of the box body, namely what size is said, the size is bigger, the number of the battery packs is correspondingly increased, when the number of the battery packs reaches a certain number, if four battery packs can be combined into one, the battery pack is convenient to disassemble and assemble and manage the power supply at the later stage, and the lead-; the controller is a commercially available main control board, a charging and discharging protector is arranged on the controller, accidents caused by overhigh battery temperature due to overlarge charging current can be prevented, and meanwhile, the current output is kept within a stable range, the function is applied to the electric automobile, the controller is only applied mechanically, the controller is mainly electrically connected with the motor 212, the switch and the battery in a flying wire, flat cable or direct connection mode, when the switch is turned on, the controller controls the battery to transmit stable current to the motor 212, the controller is also electrically connected with the charging port in the same mode, when an external power supply charges the battery through the charging port, the controller controls the current, the common charging and switching circuit is formed, and the switch, the motor 212 and the controller are commercially available so that circuit diagrams are omitted.

Example two

The first ridable electric traveling case shown in fig. 6 is different from the first embodiment in that a telescopic rod is further disposed at the upper end of the armrest 408, a handle 411 is disposed at the top end of the telescopic rod, the telescopic rod is slidably disposed in the upper tube of the front fork device, and when the traveling case is dragged, the telescopic rod is pulled out from the front fork device.

EXAMPLE III

The ridable electric traveling case shown in fig. 7 to 11 is different from the first embodiment in that a pedal groove for retracting the pedal frame 302 is formed in the swing arm 217, when the swing arm 217 is opened, the unlocking rod 303 in the swing arm 217 abuts against the top plate 305 on the case 100 to keep the pedal frame 302 unfolded, when the swing arm 217 is retracted, the unlocking rod 303 unlocks the pedal frame 302, and the pedal frame 302 automatically retracts into the pedal groove.

As shown in fig. 7 and 8, when the swing arm 217 of the pedal structure 300 is folded up to the side of the box 100, the pedal frame 302 will be automatically retracted, which is convenient and fast.

Specific structure of the foot peg structure 300: the pedal comprises a pedal frame 302 and an unlocking rod 303, wherein the pedal frame 302 is hinged on the left side and the right side of a swing arm 217, pedal grooves are formed in the swing arm 217, the pedal frame 302 is rotatably folded in the pedal grooves on the left side and the right side of the swing arm 217 through a pedal elastic resetting piece 307, the unlocking rod 303 is installed in an inner cavity of the swing arm 217, a locking groove plate 306 is arranged at the front end of the unlocking rod 303, locking grooves 308 are formed in the left side and the right side of the locking groove plate 306, the unlocking rod 303 is centrally reset left and right through a centrally reset elastic piece 304, the centrally reset elastic piece 304 comprises a sleeve and arched elastic parts on the left side and the right side of the sleeve, the centrally reset elastic piece 304 is a plastic part, the centrally reset elastic piece 304 is sleeved on the unlocking rod 303 through the sleeve, the tops of the arched elastic parts act on the left side and the right side of, the unlocking reset elastic piece 301 is a spiral spring and is positioned in front of the locking groove plate 306, when the swing arm 217 rotates to an open state, the rear end of the unlocking rod 303 is pushed forward by the box body 100, the unlocking rod 303 overcomes the elastic action of the unlocking reset elastic piece 301 to drive the locking groove plate 306 to move forward to a locking position, the inner end of the pedal 309 on one side of the swing arm 217 is embedded into the locking groove 308 of the locking groove plate 306 in a mode of pushing the locking groove plate 306 to overcome the elastic action of the centering reset elastic piece 304 to deflect to the opposite side, the opening and locking of the pedal frame 302 are realized, the locking groove plate 306 resets and centers when the pedal frame 302 on one side is locked, when the swing arm 217 rotates and folds, the rear end of the unlocking rod 303 is separated from the action of the box body 100, the unlocking reset elastic piece 301 pushes the unlocking rod 303 to reset and extend, the locking groove plate 306 moves backwards to release the locking action on the inner end of the pedal frame 302, the pedal frames 302 on the left side and the right side of The inner ends of the pedals 309 and 311 are hinged on the swing arm 217, the two ends of the connecting rod 310 are hinged with the outer end parts of the auxiliary pedals 311 and the matched pedals 309, the pedal frame 302 and the swing arm 217 form a parallel four-bar linkage mechanism, so that the pedal frame 302 can be rotated and folded into a linear state to enter a pedal groove, the pedal structure 300 is arranged in the swing arm 217, the swing arm 217 comprises a long vertical section and a short vertical section, the rear end of the short vertical section is matched with the screw rod 201, the front end of the long vertical section is connected with the front fork device 218, the pedal structure 300 is arranged in the long vertical section, and the rear end of the unlocking rod 303 penetrates out of the rear end of the long vertical section.

In the riding state, the tail part of the unlocking rod 303 is continuously pressed against the top plate 305 of the suitcase, and the top plate 305 is fixedly arranged on the suitcase body 100.

The centering return spring 304 functions: when the pedal frame 302 is manually opened, the locking slot plate 306 can first retract, and after the pedal 309 enters the square notch of the locking slot plate 306, the centering return elastic element 304 rebounds to the centering state.

When the bicycle is in a non-riding state, the front fork device 218 is retracted into the front fork embedding groove 500 of the suitcase by the swing arm mechanism 200, a space exists between the rear end of the long vertical section of the swing arm 217 and the top plate 305 at the moment, the unlocking rod 303 is separated from the constraint of the top plate 305, the unlocking return elastic piece 301 pushes out of the rear end of the long vertical section of the swing arm 217, the end surface is exposed by 15mm, and the locking groove plate 306 is in an unlocking position at the moment.

In the riding state, the top plate 305 continuously pushes against the rear end of the long vertical section of the swing arm 217, and simultaneously, the unlocking rod 303 pushes the locking groove plate 306 forward by 15mm, and the locking groove plate 306 enters the self-locking position.

The working principle is as follows: the front fork device 218 is disengaged from the front fork embedding groove 500 of the suitcase and is straightened when the suitcase is in the riding state, the top plate 305 continuously pushes against the unlocking rod 303 which is originally exposed out of the rear end 15mm of the long vertical section of the swing arm 217, the unlocking rod 303 pushes into the rear end of the long vertical section of the swing arm 217, the unlocking rod 303 pushes the locking groove plate 306 forward 15mm, the locking groove plate 306 pushes against the unlocking return elastic piece 301, the unlocking return elastic piece 301 is in a compression state, and the locking groove plate 306 is just in a self-locking position at the moment.

The left foot peg frame 302 is manually broken by a person, the foot pegs 309 of the left foot peg frame 302 can firstly squeeze the locking groove plates 306 at the moment, namely, the centering reset elastic piece 304 is compressed to be pressed to one side and deviates from the center, when the left foot pegs 309 are completely clamped into the locking grooves 308, the centering reset elastic piece 304 drives the locking groove plates 306 to return in the center, the locking groove plates 306 at the moment are propped by the unlocking reset elastic piece 301 in the front, and then are propped by the unlocking rod 303 and the top plate 305, the front and back movement cannot be realized, namely, the left foot peg frame 302 is clamped by the locking groove plates 306, the front and back movement cannot be realized, and the stretching self-locking work of the left foot. The same principle is that: the person manually breaks the right foot frame 302, so that the right foot 309 is locked by the locking groove 308 and cannot move back and forth, the manual force is stopped, and the stretching self-locking work of the two foot frames 302 is completed.

And (3) recovering and automatically furling: when the swing arm mechanism 200 starts to retract and rotate, a gap is formed between the rear end of the long vertical section of the swing arm 217 and the box body 100, the unlocking rod 303 starts to be separated from the top plate 305, at this time, the elastic force of the unlocking reset elastic piece 301 is greater than the sum of the pulling forces of the left pedal elastic reset piece 307 and the right pedal elastic reset piece 307 of the two pedal frames 302, the locking groove plate 306 and the unlocking rod 303 simultaneously move backwards under the spring force of the unlocking reset elastic piece 301, the outer end of the pedal frame 302 deflects towards the vehicle head direction, then the inner end of the pedal 309 of the pedal frame 302 starts to slide out of the notch of the locking groove 308, and under the pulling force of the pedal elastic reset piece 307, the pedal frame 302 is pulled back by the pedal elastic reset piece 307 on the auxiliary pedal 311.

Example four

Fig. 12 to 16 show a ridable electric traveling case, which is different from the first embodiment in that: the vehicle armrest 408 is connected with the lower part of the front fork device 218 through a telescopic pull rod structure 400, the telescopic pull rod structure 400 comprises an upper pull rod 401 and a lower pull rod 403, the vehicle armrest 408 is fixed on the upper pull rod 401, the lower pull rod 403 is connected with the lower part of the front fork device 218, the upper pull rod 401 can telescopically and rotatably penetrate into the lower pull rod 403, the upper end of the lower pull rod 403 is provided with a groove, and a hoop structure 410 is hooped on the groove part to lock the telescopic positions of the lower pull rod 403 and the upper pull rod 401. The clamp structure 410 is a clamp structure having a quick release structure. The height of the armrest 408 can be adjusted by simply loosening the clip structure 410 and then using the retractable tension bar structure 400.

A rotation locking structure is arranged between the upper pull rod 401 and the lower pull rod 403, the rotation locking structure comprises an upper clamping piece 402, a lower clamping piece 405, a spring 406, a spring stopper 407 and an upper clamping piece 404, the upper clamping piece 402, the lower clamping piece 405, the spring 406 and the spring stopper 407 are sleeved on the lower end of the upper pull rod 401 from top to bottom, wherein the upper clamping piece 402, the spring retainer 407 and the upper pull rod 401 are fixedly connected, the lower clamping piece 405 and the lower pull rod 403 are non-rotatably matched, the adjacent end surfaces of the upper clamping piece 402 and the lower clamping piece 405 are provided with a matched and engaged convex head and a matched and engaged groove, the handle bar 408 is used for locking the rotation of the upper pull rod 401 when in riding state after rotating 90 degrees, the spring 406 acts on the lower clip piece 405 to push the lower clip piece 405 to press the upper clip piece 402, the upper clip piece 404 is sleeved on the upper clip piece 402, the outer contour of the lower clip piece 405 is larger than the inner hole of the upper clip piece 404, at the upper end of the rod hole of the lower pull rod 403, there is a limit structure 409 blocking the upper stopper 404.

More specifically, the spring retainer plate 407 is fixed to the lower portion of the upper rod 401 by screws, the upper clip 402 is fixed to the upper rod 401 at about 1/2 by rivets, the upper stopper 404 is a ring, and the retainer structure 409 is a stop capable of stopping the upper stopper 404 from coming off.

As shown in fig. 12 and 16, the outer shape of the lower pull rod 403 in fig. 12 is a special-shaped tube body with a circular arc transition surface, and the outer shape of the lower clip piece 405 in fig. 16 is consistent with the inner hole shape of the lower pull rod 403, so that the two are in non-rotatable fit.

Working process of the telescopic drawbar structure 400 with the rotation locking structure: because the traveling case is folded after the handle 408 is rotated by 180 degrees, in order to avoid the situation that the transverse handle 408 is turned over and is vertical to the case 100 when being ridden by electric driving, the handle 408 needs to be rotated by 90 degrees and is parallel to the case 100, the handle is pressed downwards and is accommodated in the front fork embedded groove 500, the lower clamping piece 405 props against the upper clamping piece 402 under the action of the elastic force of the spring 406, the projection and the groove of the adjacent end surfaces of the upper clamping piece 402 and the lower clamping piece 405 are matched and engaged, and the upper clamping piece 402 is limited by the lower clamping piece 405 to rotate circularly. When the upper pull rod 401 needs to be rotated, the vehicle handle 408 is lifted, the upper pull rod 401 is pulled at the same time, the upper clamping piece 402 and the upper pull rod 401 are fixedly connected, and the outer diameter of the upper clamping piece 402 is smaller than the inner diameter of the upper blocking piece 404, so that the upper clamping piece 402 moves upwards along with the upper pull rod 401 and gradually enters the inner hole of the upper blocking piece 404 until the upper clamping piece is completely immersed into the upper blocking piece 404, when the lower plane of the upper blocking piece 404 is lower than the lower plane of the upper clamping piece 402, the outer diameter of the lower clamping piece 405 is larger than the inner diameter of the upper blocking piece 404, the outer diameter of the upper clamping piece 402 is smaller than the inner diameter of the upper blocking piece 404, at the moment, the lower clamping piece 405 is blocked by the upper blocking piece 404, the spring 406 is further compressed, at the moment, the upper clamping piece 402 is separated from the constraint of the lower clamping piece 405, the upper clamping piece 402 can freely rotate, namely, the upper.

It is of course not excluded that the adjacent end surfaces of the upper jaw piece 402 and the lower jaw piece 405 in this embodiment have two sets of mating engaging projections and recesses for rotationally locking the upper link when the rotating vehicle armrest is in the riding position and rotationally locking the upper link when the rotating vehicle armrest is in the non-riding position, respectively.

EXAMPLE five

A ridable electric traveling case as shown in fig. 17 to 20 is different from the first embodiment in that: the two sides of the inlet of the front fork embedded groove 500 are provided with the spring bolts 503 which are installed in an elastic telescopic mode, the two spring bolts are arranged in a matched mode and extend from top to bottom to cover the inlet of the front fork embedded groove 500, the two spring bolts are located above the two spring bolts relative to the swing arm 217, the front face of the spring bolt 503 is an inner inclined face and used for enabling the front fork device 218 to push the spring bolt 503 away through the inclined face to enter the front fork embedded groove 500, the upper section of the back face of the spring bolt 503 is a flat face and used for locking the front fork device 218 embedded in the front fork embedded groove 500, the lower section of the back face of the spring bolt 503 is an outer inclined face and used for pushing the spring bolt 503 away through the outer inclined face when the swing arm.

The upper section of the side surface of the locking tongue 503 is a vertical surface, and the lower section is an inclined surface, so that a gap gradually enlarged from top to bottom is formed at the lower section of the locking tongue 503 when the two locking tongues are closed.

The upper section and the lower section of the back surface of the locking tongue 503 are transited by an inclined surface.

The specific structure of the elastic telescopic installation of the lock tongue is as follows; the entry both sides of front fork embedded groove 500 have spring bolt mounting groove 501, and spring bolt 503 is installed in this mounting groove, has spring bolt spring 502 in the mounting groove for promote spring bolt 503 elastic expansion, spring bolt 503 on the spring bolt mounting groove 501 stretches out the department and has the spacing tang of spacing spring bolt 503 displacement.

The dual latch has two doors that are opened in opposite directions, and is used to lock the front fork 218 after the front fork 218 is retracted into the front fork insertion slot 500, so that the front fork 218 is not easy to be disengaged, and the latch 503 enables the front fork 218 to be quickly disengaged from the front fork insertion slot 500 when the swing arm mechanism 200 is deployed.

Specifically, the upper section of the locking tongue 503 is the upper part 2/5 of the locking tongue 503, the remaining part 3/5 is the lower section of the locking tongue 503, the inner inclined plane of the front surface of the locking tongue 503 is a 45 ° inclined plane, and the outer inclined plane of the lower section of the back surface of the locking tongue 503 is a 45 ° inclined plane. The lower section of the side of the latch tongue 503 is a 45 ° inclined plane. The upper section and the lower section of the back surface of the locking tongue 503 are transited by an inclined surface inclined upwards by 60 degrees. The upper segment interval between two spring bolts is 15mm, and the interval of the bottommost end of the lower section between two spring bolts is 30 mm.

The structure principle of the latch bolt 503 is as follows: the contact surface of the front fork device 218 and the bolt 503 is arc-shaped, and the bolt 503 is an inclined surface, and the structure that the inclined surface touches the arc-shaped surface is beneficial to the easy extrusion of the front fork device 218 into the bolt 503, so as to achieve the effect of easy entry. The upper end of the structure is easy to enter and difficult to exit, the front fork device 218 can be used as a common pull rod after being folded, when the travel suitcase is pulled, the stress part of the front fork device 218 is positioned at the upper part, but the front fork device is not easy to drop off due to the existence of the straight surface of the upper section of the back surface of the lock tongue 503, but when the front fork device 218 is rotated and opened, the lower part of the front fork device 218 can drop off firstly through the lower part of the lock tongue 503, and then the lock tongue 503 is gradually pushed away from bottom to top, so that. When the front fork device 218 is pushed into the front fork embedded groove 500 inwards, the bolt spring 502 is compressed, the two bolts are opened, and after the front fork device 218 is rotated and folded in place, the bolt 503 immediately returns under the action of the jacking force of the bolt spring 502, because the straight plane of the upper section of the back surface of the bolt 503 blocks the front fork device 218 and does not allow the bolt to escape, a series of consecutive actions of self-locking in the groove are realized.

EXAMPLE six

A ridable electric traveling case as shown in fig. 21 to 23, which is different from the first embodiment: the rear wheel folding and unfolding device comprises a rear wheel support 110, a pull wire 211, a reset tension spring 113 and a driving connecting rod structure, wherein the rear riding wheel 101 is installed on the rear wheel support 110, the rear wheel support 110 is rotatably installed on the vehicle body 109 through a rotating shaft 102, the pull wire 211 drives the rear wheel support 110 to rotate from a horizontal folding state to a vertical opening state through the driving connecting rod, and the reset tension spring 113 acts on the rear wheel support 110 or the driving connecting rod to rotate the reset rear wheel support 110.

The driving connecting rod structure comprises a rocker 105 and a connecting rod 104, one end of the rocker 150 is hinged to a vehicle body 109, the other end of the rocker 105 is hinged to one end of the connecting rod 104, the other end of the connecting rod 104 is hinged to a rear wheel support 110, the rocker 105, the connecting rod 104 and the rear wheel support 110 form a rocker mechanism, two sides of the rocker 105 are provided with extending driving ends, a pull wire 211 and a reset tension spring 113 respectively act on the driving ends to drive the rocker 105 to swing, the swing of the rocker 105 drives the rear wheel support 110 to rotate to retract and open, when the pull wire 211 drives the rear wheel support 110 to open to a vertical state, the rocker 105 is limited by a limiting part, and the rocker 105 and the connecting rod 104 pass through collinear positions of the rocker 105 and the connecting rod 104 to form.

Specifically, the number of the rear riding wheels 101 is one, the rear wheel retraction device retracts the rear riding wheels 101 in a left-right rotating mode, two sides of the rocker 105 are provided with extending driving ends, the pull wire 211 and the reset tension spring 113 are respectively connected with the two driving ends of the rocker 105, and the pull wire 211 drives the rear wheel support 110 to be vertically opened in a mode of pulling the driving ends upwards.

The structure only comprises the pull wire 211 and the reset tension spring 113, so that the state of the rear riding wheel 101 can be changed, and the pull wire 211 can lock the riding state of the rear riding wheel 101, namely the state of the rear riding wheel 101 vertical to the ground is not changed.

More specifically, the rear wheel bracket 110 is fixed to the rotating shaft 102 by electric welding; the shaft sleeve 112 is fixed with the vehicle body 109 by electric welding; the sleeve 112 is sleeved outside the rotating shaft 102, so that the rotating shaft 102 can only rotate around the sleeve 112 and cannot move back and forth, left and right and up and down. The rotating shaft 102 is provided with a first pulling rod 103, and the first pulling rod 103 is fixed with the rotating shaft 102; the first shifting lever 103 is connected with the connecting rod 104 through a pin and can only rotate around the corresponding pin, and the first shifting lever 103 is used for realizing indirect hinge joint of the connecting rod 104 and the rear wheel bracket 110 and is equal to direct hinge joint of the connecting rod 104 and the rear wheel bracket 110; the connecting rod 104 is connected with the rocker 105 through a pin and can only rotate around the corresponding pin; the middle parts of the rocker 105 and the fourth shift lever 106 are fixed by electric welding, so that the fourth shift lever 106 becomes the driving ends of two sides of the rocker 105, a hole is formed at the electric welding joint, and the hole is connected with the fixed pivot 111 through a pin, so that the rocker 105 and the fourth shift lever 106 rotate around the fixed pivot 111 simultaneously; one end of the fourth shift lever 106 is fixed with a pull wire 211 through a screw, the other end of the fourth shift lever 106 is fixed with a reset tension spring 113, and the pull wire 211 can freely turn through the frame pull wire sleeve 108 to achieve force transmission.

The motion principle of the mechanism is as follows: when the riding state is switched, the swing arm mechanism 200 works, the pull wire 211 is pulled upwards to cause the fourth shift lever 106 to move upwards, the rocker 105 rotates clockwise by taking the fixed fulcrum 111 as a fulcrum, the connecting rod 104 moves upwards, the first shift lever 103, the rotating shaft 102, the rear wheel support 110 and the rear riding wheel 101 rotate anticlockwise by taking the shaft sleeve 112 as a fulcrum, when the rocker 105 and the connecting rod 104 rotate slightly to pass through the collinear position of the rocker and the connecting rod, the fourth shift lever 106 touches the limiting structure 114, the fourth shift lever 106 is forced to stop moving due to the tightening reason of the pull wire 211 and clamps the connecting rod 104 in the state, the rear riding wheel 101 is just vertical to the ground, the driving connecting rod structure forms a clamping effect on the rear wheel support 110, at the moment, the first shift lever 103 cannot move clockwise or anticlockwise, namely, the rear riding wheel 101 is stably and immovable in the upright state.

When the bicycle is not ridden, the swing arm mechanism 200 is retracted, the pull wire 211 is in a loose state, the reset tension spring 113 is tightened, so that the rocker 105 rotates counterclockwise by taking the fixed fulcrum 111 as a fulcrum to drive the connecting rod 104 to move downwards, the first shift lever 103, the rotating shaft 102, the rear wheel support 110 and the rear riding wheel 101 simultaneously rotate clockwise by taking the shaft sleeve 112 as a fulcrum, and the rear riding wheel 101 is vertically changed into a lying state, namely, the wheel is folded.

The difference between this embodiment and the first embodiment is that the rear riding wheel 101 is folded from the side of the box 100, and does not occupy the internal space of the box 100, while the front and rear folding of the rear riding wheel 101 of the first embodiment needs to occupy a small portion of the internal space of the box 100.

EXAMPLE seven

A ridable electric traveling case as shown in fig. 24 to 27 is different from the sixth embodiment in that: the number of the rear riding wheels 101 is two, the two rear riding wheels are respectively positioned at two sides of the box body 100, the rear riding wheels 101 are collected and placed by the rear wheel collecting and placing device in a mode of rotating towards the inner side direction of the box body 100, the two rear wheel collecting and placing devices are identical in structure and are symmetrically arranged, the rocker 105 is provided with a driving end extending towards the inner side, and the pull wire 211 and the reset tension spring 113 act on the driving end.

More specifically, the rear wheel bracket 110 is fixed to the rotating shaft 102 by electric welding; the shaft sleeve 112 is fixed with the vehicle body 109 by electric welding; the sleeve 112 is sleeved outside the rotating shaft 102, so that the rotating shaft 102 can only rotate around the sleeve 112 and cannot move back and forth, left and right and up and down. The first shift lever 103 is fixed with the rotating shaft 102; the first shift lever 103 is connected with the connecting rod 104 through a pin and can only rotate around the corresponding pin; the connecting rod 104 is connected with the rocker 105 through a pin and can only rotate around the corresponding pin; the rocker 105 and the fourth shift lever 106 are fixed by electric welding, so that the fourth shift lever 106 becomes a driving end of the rocker 105 extending inwards, a hole is formed at the electric welding joint, and the hole is connected with the fixed pivot 111 through a pin, so that the rocker 105 and the fourth shift lever 106 rotate around the fixed pivot 111 simultaneously; the pull wire 211 acts on the fourth driving lever 106 through the fifth connecting rod 107, and the fourth driving lever 106 is connected with the fifth connecting rod 107 through pins and can only rotate around the corresponding pins; the non-hinged ends of the fifth connecting rods 107 of the rear wheel retraction devices on the left side and the right side are combined together to be fixed with the pull wire 211 through screws, the hinged ends of the fifth connecting rods 107 are respectively fixed with the respective return tension springs 113, and the pull wire 211 can freely turn through the frame pull wire sleeve 108 to achieve force transmission.

The motion principle of the mechanism is as follows: when the riding state is switched, the swing arm mechanism 200 works, so that the pull wire 211 is pulled upwards, the fifth connecting rod 107 moves upwards, the rocker arms 105 of the rear wheel retraction devices on the left side and the right side respectively rotate clockwise and anticlockwise by taking the fixed fulcrum 111 as a fulcrum, and the connecting rod 104 moves downwards; when the rocker 105 and the connecting rod 104 slightly rotate to the collinear position of the rocker 105 and the connecting rod 104, the fourth shift lever 106 touches the limiting structure 114, the fourth shift lever 106 is forced to stop moving due to the tightening of the pull wire 211 and blocks the connecting rod 104 in the state, the rear riding wheel 101 is just vertical to the ground, the driving connecting rod structure forms a blocking effect on the rear wheel support 110, and the first shift lever 103 cannot move clockwise or anticlockwise at the moment, namely the rear riding wheel 101 is stably erected.

When the swing arm mechanism 200 is retracted in the non-riding state, and the pull wire 211 is in the release state, the return tension spring 113 is tightened, so that the fourth shift lever 106 and the rocker 105-1 rotate around the fixed fulcrum 111 as a fulcrum to drive the connecting rod 104 to move upwards, and the first shift lever 103, the rotating shaft 102, the rear wheel support 110 and the rear riding wheel 101 simultaneously rotate around the shaft sleeve 112 as a fulcrum, so that the two rear riding wheels 101 are changed from the vertical state to the lying state, namely, the rear wheel 110 is folded.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an electronic travelling basket can ride, includes the front wheel and the rear wheel that can supply the user to ride box, support box march, and the front wheel is installed on the front fork device, characterized by: the box on install swing arm mechanism, the front fork device is installed on swing arm mechanism, swing arm mechanism rotates folding under the drive of driver, will be located the rotatory side of folding to the box of front fork device of box advancing direction.

2. The ridable electric traveling case of claim 1, wherein: the swing arm mechanism is driven by the driver to rotate and lift, and the front wheel is lifted off the ground while the front fork device is rotated and folded to the side face of the box body.

3. The ridable electric traveling case of claim 2, wherein: the swing arm mechanism comprises a swing arm, a rotating shaft device and a driver, the driver is a motor, the swing arm is installed on the box body through the rotating shaft device, the driver drives the swing arm to rotate around a rotating shaft of the rotating shaft device, and the rotating shaft device is provided with a spiral guide mechanism for enabling the swing arm to be spirally lifted under the guide of the spiral guide mechanism.

4. The ridable electric traveling case of claim 3, wherein: the rotating shaft device specifically comprises a shell and a screw rod which is installed through the shell and serves as a rotating shaft of the swing arm, the swing arm is matched with the screw rod through a nut structure, the driver drives the screw rod to rotate, the shell is provided with a spiral guide mechanism, and the swing arm is driven by the screw rod to be spirally lifted under the guiding action of the spiral guide mechanism.

5. The ridable electric traveling case of claim 4, wherein: the rotating shaft device further comprises pressure-resistant rubber, and the pressure-resistant rubber is sleeved at the upper end and the lower end of the screw rod and used for restricting the ascending stroke and the descending stroke of the swing arm.

6. The ridable electric traveling case of claim 1, wherein: the upper part of the front fork device is provided with a vehicle handle which is connected with the lower part of the front fork device through a telescopic pull rod structure, the telescopic pull rod structure comprises an upper pull rod and a lower pull rod, the vehicle handle is fixed on the upper pull rod, the lower pull rod is connected with the lower part of the front fork device, the upper pull rod penetrates into the lower pull rod in a telescopic and rotary manner, the upper end of the lower pull rod is provided with a groove, the groove part is hooped with a hoop structure to lock the telescopic positions of the lower pull rod and the upper pull rod, a rotary locking structure is arranged between the upper pull rod and the lower pull rod and comprises an upper clamping piece, a lower clamping piece, a spring limiting piece and an upper blocking piece, the upper clamping piece, the lower clamping piece, the spring and the spring limiting piece are sleeved at the lower end of the upper pull rod from top to bottom, the upper clamping piece, the spring limiting piece and the upper pull rod are fixedly connected, the lower clamping piece and the lower pull rod are not matched, the bicycle handle is used for rotationally locking the upper pull rod when the bicycle handle is in a riding state after 90-degree rotation, the spring acts on the lower clamping piece to push the lower clamping piece to compress the upper clamping piece, the upper clamping piece is sleeved on the upper clamping piece, the outer contour of the lower clamping piece is larger than the inner hole of the upper clamping piece, and the upper section of the rod hole of the lower clamping piece is provided with a limiting structure for blocking the upper clamping piece from escaping.

7. The ridable electric traveling case of any one of claims 1, 2 and 3, wherein: the swing arm on be provided with the pedal structure, the pedal structure includes pedal and unblock pole, the pedal articulates in the swing arm left and right sides, the pedal passes through pedal elasticity piece rotation folding in the swing arm left and right sides that resets, the unblock pole is installed in the swing arm inner chamber, the front end of unblock pole has the locked groove board, the left and right sides of locked groove board has the locking groove, the unblock pole resets centrally through the elasticity piece that resets centrally about going, the swing arm is stretched out to the rear end of unblock pole, the unblock pole maintains the state of stretching out through the elasticity piece that resets of unblock, in the swing arm rotation to the open mode, the rear end of unblock pole is promoted forward by the box, the unblock pole overcomes the elastic action that unblock resets elasticity and drives the locked groove board and moves forward to the latched position, the inner of the pedal of swing arm one side is through promoting, the locking to the pedal is realized, when the swing arm is rotated and folded, the rear end of the unlocking rod is separated from the box body, the unlocking reset elastic piece pushes the unlocking rod to reset and extend out, the locking groove plate moves backwards, and the locking effect on the inner end of the pedal is released.

8. The ridable electric traveling case of claim 7, wherein: the unlocking reset elastic part is a spiral spring and is positioned in front of the locking groove plate, the centering reset elastic part comprises a sleeve and arched elastic parts at the left side and the right side of the sleeve, the centering reset elastic part is sleeved on the unlocking rod through the sleeve, the top of the arched elastic parts acts at the left side and the right side of an inner cavity of the swinging arm, pedal grooves are formed on the swinging arm, auxiliary pedals and connecting rods are matched with pedals at the left side and the right side of the swinging arm to jointly form a pedal frame, the inner end of the auxiliary pedal is hinged on the swinging arm, two ends of the connecting rod are hinged with the auxiliary pedals and the outer end of the matched pedals, the pedal frame and the swinging arm form a parallel four-bar mechanism, the pedal frame can be rotatably folded into a straight line state to enter the pedal grooves, the swinging arm is an L-shaped swinging arm and comprises a long vertical section and a short vertical section, the rear end of the short vertical section, the pedal structure is arranged in the long vertical section, and the rear end of the unlocking rod penetrates out of the rear end of the long vertical section.

9. The ridable electric traveling case of claim 1, wherein: the side of box the front fork embedded groove has, the spring bolt of the flexible installation of elasticity is provided with in the entry both sides of front fork embedded groove, two spring bolts pair set up and extend the entry that shelters from the front fork embedded groove from top to bottom, two relative swing arms of spring bolt are located its top, the front of spring bolt is interior inclined plane, a spring bolt entering front fork embedded groove is pushed away to make front fork device accessible inclined plane, the upper segment at the back of spring bolt is straight face, a front fork device for pinning embedding front fork embedded groove, the hypomere at the back of spring bolt is the camber face, a spring bolt is pushed away by supreme down to this camber face of front fork device accessible when the swing arm drives front fork device pendulum.

10. The ridable electric traveling case of claim 9, wherein: the upper segment of the side of spring bolt be vertical face, the hypomere is the inclined plane for form the clearance that enlarges from top to bottom gradually at the hypomere of spring bolt when two spring bolts are closed, the upper segment and the hypomere at the back of spring bolt between pass through the inclined plane transition, the flexible concrete structure of installing of spring bolt elasticity do: the entry both sides of front fork embedded groove have the spring bolt mounting groove, and the spring bolt is installed in this mounting groove, has the spring bolt spring in the mounting groove for promote spring bolt elastic expansion.

11. The ridable electric traveling case of claim 3, wherein: the rotating shaft device of the swing arm mechanism further comprises a pull-wire power nut and a linear guide structure, the pull-wire power nut is sleeved on the lead screw, the pull-wire power nut is driven by the lead screw to move linearly under the guidance of the linear guide structure, and the pull-wire power nut is connected with the pull wire and outputs power outwards through the pull wire.

12. The ridable electric traveling case of claim 11, wherein: the linear guide structure is a clamping groove arranged on the inner wall of the shell, a protrusion of the clamping groove is embedded in the pull-wire power nut, the pull-wire power nut is arranged close to the swing arm, elastic rubber is arranged between the pull-wire power nut and the swing arm, and the elastic rubber is sleeved on the lead screw.

13. A ridable electric suitcase according to claim 1, 2, 3, 4, 5, 11 or 12, characterized in that: the rear wheels at the bottom of the box body comprise pulleys and rear riding wheels, the rear riding wheels are installed on the rear wheel folding and unfolding device to be folded and unfolded, and the opened rear riding wheels and the front wheels lift the pulleys of the box body away from the ground.

14. The ridable electric traveling case of claim 13, wherein: the rear riding wheel folding and unfolding device folds and unfolds the rear riding wheel in a mode of rotating to a vertical opening state from a horizontal folding state, the rear riding wheel folding and unfolding device rotates and unfolds under the action of a pull wire and rotates and resets under the action of a reset tension spring, and the pull wire is powered by a swing arm mechanism.

15. The ridable electric traveling case of claim 14, wherein: the rear riding wheel folding and unfolding device comprises a rear wheel support, a pull wire and a reset tension spring, wherein the rear riding wheel is installed on the rear wheel support, the rear wheel support is rotatably installed on the box body through a rotating shaft, the rear wheel support is rotated to a vertical opening state from a horizontal folding state under the action of the pull wire, and the rear wheel support is rotated and reset under the action of the reset tension spring.

16. The ridable electric traveling case of claim 14, wherein: the rear wheel folding and unfolding device comprises a rear wheel support, a pull wire, a reset tension spring and a driving connecting rod structure, wherein a rear riding wheel is installed on the rear wheel support, the rear wheel support is rotatably installed on a box body through a rotating shaft, the pull wire drives the rear wheel support to rotate from a horizontal folding state to a vertical opening state through the driving connecting rod, the reset tension spring acts on the rear wheel support or the driving connecting rod to rotatably reset the rear wheel support, the driving connecting rod structure comprises a rocker and a connecting rod, one end of the rocker is hinged to the box body, the other end of the rocker is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to the rear wheel support, the rocker, the connecting rod and the rear wheel support form a rocker mechanism, one side or two sides of the rocker are provided with a stretching driving end, the pull wire and the reset tension spring respectively act on the driving ends, the rocker swings to drive the rear wheel support to, the rocker is limited by the limiting piece and the rocker and the connecting rod pass through the collinear position of the rocker and the connecting rod and are used for forming a blocking effect on the rear wheel support.

17. The ridable electric traveling case of claim 16, wherein: the rear riding wheel is folded and unfolded by the rear wheel folding and unfolding device in a left-right rotating mode, the two sides of the rocker are provided with extending driving ends, the pull wire and the reset tension spring are respectively connected with the two driving ends of the rocker, and the pull wire drives the rear wheel bracket to be vertically unfolded in a mode of upwards pulling the driving ends; or the number of the rear riding wheels is two, the rear riding wheels are respectively positioned on two sides of the box body, the rear riding wheels are collected and placed by the rear wheel collecting and placing device in a manner of rotating towards the inner side direction of the box body, the two rear wheel collecting and placing devices are identical in structure and are symmetrically arranged, the rocker is provided with a driving end extending towards the inner side, the pull wire and the reset tension spring act on the driving end, and the pull wire drives the rear wheel support to be vertically opened in a manner of upwards pulling the driving end.