CN114670965A - Foldable bicycle capable of riding instead of walking - Google Patents

Abstract

The invention relates to a folding type walking vehicle. The existing folding type accompanying vehicle has potential safety hazards, and the existing folding type accompanying vehicle cannot be reliably and safely locked when being folded, so that the existing folding type accompanying vehicle has defects. The folding bicycle comprises a front frame and a rear frame, wherein a front fork frame is arranged at the front part of the front frame, a front roller is arranged at the lower part of the front fork frame, and the rear frame is connected with a rear roller. The bicycle is more stable and reliable when riding, has a more simplified and compact structure, and can reliably lock the folding or unfolding state of the upright rod structure, so that the bicycle is more reliable and safer to ride or carry.

Description

Foldable bicycle capable of riding instead of walking

Technical Field

The invention relates to the technical field of vehicles for riding instead of walk, in particular to a folding type vehicle for riding instead of walk.

Background

The applicant previously applied for a portable folding walking assistant vehicle with a notice number of 209208944U, and the detailed implementation part of the specification thereof discloses the following technical scheme: including footboard main part, handle bar mechanism and gyro wheel, the footboard main part be two segmentation rotary folding structures, including anterior segment footboard and back end footboard, set up the gyro wheel on the anterior segment footboard and hold the cavity, the back end footboard connect the back gyro wheel, the back end footboard can be rotatory folding to hide the back gyro wheel in the gyro wheel holds the cavity, handle bar mechanism can rotate down and adjust parallel with the anterior segment footboard. The front part of the front section pedal is connected with a front frame, and the upper part of the front frame is connected with a handle rod mechanism through a rotating shaft.

The front frame comprises a roller support 14 and a front mud pedal 17, an elastic lug 19 is arranged on the side portion of the roller support, the elastic lug is linked with the front mud pedal 17, an adapter 15 connected with the front frame is arranged on the lower portion of the handle rod mechanism, and positioning grooves 20 matched with the elastic lug are respectively arranged on the bottom and the side portion of the adapter. The roller bracket forms a cavity at two sides, a spring 18 is arranged in the cavity, and the spring is sleeved on an inner end fixture block of the elastic lug.

When the folding pedal is folded, the front mud blocking pedal is stepped down, and the elastic lug 19 is linked to enable the pedal to be separated from the positioning groove 20 at the bottom of the adapter, the handle rod mechanism can rotate relative to the pedal main body, and the handle rod mechanism is parallel to the pedal main body after being folded.

This follower it opens at footboard main part (frame main part promptly) front portion center has the cavity, is convenient for hold the back gyro wheel after folding, and this structure can cause under the normal state of riding because there is the large tracts of land fretwork frame main part front portion, has to step on empty risk, is unfavorable for the safety of riding. In addition, the arrangement of the cavity also causes storage space waste, is not beneficial to the design of the whole vehicle and is smaller and more compact, when the electric vehicle is used as the electric vehicle, batteries cannot be stored in the vehicle body, and only external batteries can be used, so that the front part of the vehicle body is overstaffed, and the control sensitivity is poor.

The handle rod mechanism completely depends on the front mud blocking pedal to drive the elastic lug to be matched with the positioning groove for unlocking or locking when being folded, but the structure has the following problems: when a barrier triggers the mud blocking pedal to act in the riding process, the vertical rod of the handle rod is unlocked accidentally, the locking state of the handle rod which is unfolded normally is lost, a user holding the handle rod loses the support of the handle rod suddenly, safety accidents are easily caused, and great risk exists. Also in fold condition, also can take place unexpected touching fender and lead to unexpected unblock handle bar fold condition's problem when carrying this folding vehicle, have inconveniently. Therefore, the problem that the folding state can not be reliably locked when the bicycle is unfolded or folded along with the bicycle is urgently needed to be solved.

Disclosure of Invention

Aiming at the problems, the invention provides a folding type riding instead of walking, which is more stable and reliable in riding, more compact and small in structure, and can reliably lock the folding or unfolding state of the upright rod structure, so that the riding or the carrying is more reliable and safer.

The invention adopts the following technical scheme: the utility model provides a foldable ride instead of walk along with driving, includes preceding frame and back frame, preceding frame front portion sets up preceding crotch, and preceding crotch lower part sets up preceding gyro wheel, back connected to the vehicle frame rear roller, its characterized in that preceding crotch upper portion set up pole setting mechanism, set up handle bar mechanism in the pole setting mechanism, pole setting mechanism can overturn the laminating downwards preceding frame, back frame can to one side level deflect and with preceding frame is parallel, folding back frame and pole setting mechanism lock fold condition through locking structure.

Preferably, the vertical rod mechanism comprises a vertical rod frame, two clamping grooves are respectively formed in two sides of the lower portion of the vertical rod frame and are respectively an unfolding positioning clamping groove and a folding positioning clamping groove, a front mudguard capable of being adjusted in an up-and-down swinging mode is arranged in the front portion of the front fork frame, a locking clamping block is arranged at the rear end of the front mudguard, and the front mudguard is capable of being adjusted in a swinging mode to clamp the locking clamping block into any clamping groove.

Preferably, the front fork is provided with a locking pressing sheet, and the locking pressing sheet can lock or unlock the state that the front mudguard is clamped into any clamping groove on the vertical rod frame.

Preferably, the locking pressing piece is connected to the front fork frame through a pin shaft, the end, inserted by the pin shaft, of the lower portion of the locking pressing piece is of a cam structure, the protruding end of the cam structure is in a fender locking state when abutting against the rear end of a front fender, the front fender is connected to the front fork frame through another pin shaft, and the lower portion of the pin shaft is connected with a tension spring.

Preferably, the front frame is provided with a front pedal, the rear frame is provided with a rear pedal, and the rear pedal can be turned over by 180 degrees until being attached to the front pedal.

Preferably, the upper part of the rear roller is provided with a rear mudguard, one side of the front end of the rear mudguard is provided with a buckling hole, the front end of the front frame and the buckling hole are provided with a lower convex block at the same side, and the convex block is clamped into the buckling hole and locked after the rear frame is folded.

Preferably, the front frame and the rear frame are connected through a rotating shaft on one side and deflect by taking the rotating shaft as a fulcrum, and a locking mechanism is arranged on the other side of the frame to lock the unfolded state of the front bracket and the unfolded state of the rear bracket.

Preferably, the locking mechanism comprises a pull ring which is fixed on one frame and can transversely rotate, a movable clamping hook is arranged on the pull ring, a clamping groove is formed in the other frame, the clamping hook is matched with the clamping groove, a concave stop block is arranged on the inner side, located on the locking mechanism, of the front end of the rear frame, and a convex block and a corresponding empty groove are formed in the rear end of the front frame and matched with the concave stop block.

Preferably, the front frame forms a guide block at the rear end, a middle joint seat is sleeved outside the guide block and connected with the rear frame, and the middle joint seat can slide back and forth relative to the guide block and is adjusted and fixed in position.

Preferably, the front frame and the rear frame are internally provided with storage bins, at least one storage bin is internally provided with a power supply and a controller, and the power supply is connected with a rear roller driving motor.

Preferably, the middle part of the vertical rod frame is hollowed, the upper part of the vertical rod frame is provided with an outer vertical rod, the outer vertical rod is provided with an inner vertical rod capable of extending out or retracting into the outer vertical rod, the joint of the outer vertical rod and the inner vertical rod is provided with a locking ring buckle, and the handle rod mechanism comprises a handle rod capable of being folded backwards.

The invention has the beneficial effects that:

1. the regulation through preceding fender is direct to accomplish the expansion or fold condition of pole setting structure with the cooperation of pole setting structure, cooperates another switch structure to further lock preceding fender again, and preceding fender is reliably locked spacingly under the off-state, ensures that the pole setting structure remains throughout at current state, can not promoted reliability and security by unexpected unblock.

2. The middle part of the vertical rod frame at the lower part of the vertical rod structure is hollowed out, so that the whole vertical rod structure can be stably overturned until being attached to a frame.

3. The rear frame is folded in parallel with the front frame in a manner of deflecting to one side, the consistency of front and rear rollers after folding is ensured, the rear frame can be reliably locked, and the rear frame is in a regular shape after folding, has a small and exquisite overall structure and is convenient to carry or push.

4. The front frame can be upgraded and transformed into a telescopic adjustable universal frame, so that the same frame can be matched with the traveling vehicles with different specifications and sizes of idler wheels, the shape of the folded vehicle tends to be regular, multiple sets of frame molds do not need to be developed, the production cost is saved, and enterprises can actively and quickly transform the vehicle according to the market fashion trend.

5. The frame main body structure is regular, the storage space is provided, the power supply and the controller can be directly arranged in the storage space, the frame is expanded to be an electric vehicle, an external power supply does not need to be configured, and the structure is more simplified.

Drawings

Fig. 1 is a schematic view of the overall structure of the vehicle according to the present invention.

Fig. 2 is a schematic view of the overall folding structure of the cart according to the present invention.

Fig. 3 is a schematic view of the folded structure of the present invention at another angle.

Figure 4 is a schematic view of the deployment portion of the pole mechanism of the present invention.

Fig. 5 is a schematic view of the folding position of the pole erecting mechanism of the present invention.

FIG. 6 is a schematic view showing a state where a fender is locked by a switch structure according to the present invention.

Fig. 7 is a partial structural schematic view after being folded.

FIG. 8 is another structural schematic view of the front frame of the present invention.

Fig. 9 is a schematic structural view of the header of the present invention.

FIG. 10 is an overall folding view of the present invention using a universal combination bracket to accommodate rollers of different diameters.

FIG. 11 is a schematic view of the unfolding structure of the universal assembled stand adapted to the front and rear equal-diameter rollers of the present invention.

Detailed Description

The invention will be further illustrated with reference to the following specific examples.

As shown in figures 1-3, the invention discloses a folding walk-substituting follow-up vehicle, which comprises a front vehicle frame 10 and a rear vehicle frame 25, wherein the front part of the front vehicle frame is provided with a front fork frame 7, the lower part of the front fork frame is provided with a front roller 14, the rear vehicle frame is connected with a rear roller 26, the upper part of the front fork frame is provided with a vertical rod mechanism, the vertical rod mechanism is provided with a handle rod mechanism, the vertical rod mechanism can be downwards overturned to be attached to the front vehicle frame 10, the rear vehicle frame 25 can horizontally deflect to one side and is parallel to the front vehicle frame, and the folded rear vehicle frame and the vertical rod mechanism are locked in a folded state through a locking structure.

In one embodiment, the vertical rod mechanism comprises a vertical rod frame 1, two clamping grooves 11 are respectively arranged on two sides of the lower portion of the vertical rod frame, namely an expansion positioning clamping groove and a folding positioning clamping groove, a front mudguard 6 capable of being adjusted in an up-and-down swinging mode is arranged in the front portion of the front fork frame, a locking clamping block 12 is arranged at the rear end of the front mudguard, and the front mudguard is capable of being adjusted in a swinging mode to clamp the locking clamping block into any clamping groove.

Wherein, the folding or the expansion state of the upright rod structure is locked by a front mudguard, and the adjustment of the front mudguard is locked by a switch structure.

As shown in fig. 4-6, in one embodiment, the switch structure includes a locking tab 9 provided on the front fork, which can lock or unlock the engagement of the front fender with the pole structure. The locking pressing sheet is connected to the front fork frame through a pin shaft 3, the end of the lower portion of the locking pressing sheet, into which the pin shaft is inserted, is of a cam structure 4, and the protruding end of the cam structure is in a fender locking state when abutting against the rear end of the front fender. The hinge pin is used as a rotating fulcrum to rotate the locking pressing piece upwards, the cam structure is changed to abut against the rear end face of the front fender, the space of the rear end of the fender is released, the fender can be pressed downwards, the fender is separated from the locking state with the pull rod structure, and the whole upright rod structure can be completely unlocked to adjust the state.

In order to facilitate the cam structure to rotate, an arc-shaped surface is formed on the front fork frame, and a space capable of rotating is reserved on the front fork frame.

Wherein in order to facilitate the locking pressing sheet to be easily pulled, the tail end of the locking pressing sheet forms an upturning surface, which is convenient for a user to stir.

In this embodiment, preceding fender passes through another round pin axle 5 and connects preceding crotch, and for the convenience of preceding fender remains the tensioning state throughout, this round pin hub connection extension spring, the other end of extension spring is connected and is set up the location axle in preceding crotch lower part, ensures that the fender unblock before again can keep locking pole setting structure.

Specifically, the upper end face of the locking clamping block is a downward inclined face, and an inclined face matched with the locking clamping block is arranged in the clamping groove, so that the locking clamping block can be smoothly and quickly clamped into the clamping groove.

Specifically, limit stops 13 are further arranged on two sides of the rear portion of the front fork frame, the limit stops can effectively prevent the vertical rod structure from excessively deflecting, limit is formed at the rear end, it is guaranteed that multiple directions of the vertical rod structure are reliably and strictly limited under the unfolding state, and the locking state is more reliable.

Specifically, the middle part of pole setting frame forms fretwork 2, and when the pole setting structure of being convenient for transfers and emptys, the front crotch and the anterior steering support of frame can be passed to fretwork portion, makes the pole setting structure keep flat completely.

The upper portion of grudging post frame sets up outer pole setting 15, sets up the interior pole setting 18 that can stretch out or retract outer pole setting in the outer pole setting, and the junction of outer pole setting and interior pole setting sets up latch closure 22 and retaining member 17, handle bar mechanism including can turn over the handle pole 20 that turns over backward, wherein the handle pole can turn over backward and be 90 degrees rather than the main part.

In one embodiment, the front of the outer vertical rod is provided with an LED lighting module 16, and the lighting module can realize the change control of various lights through a controller.

In another embodiment, a front pedal 29 is provided on the front frame, a rear pedal 28 is provided on the rear frame, a pivot is provided between the front pedal and the rear pedal, and the rear pedal can be turned up 180 degrees until it abuts against the front pedal. Specifically, the width of preceding footboard and back footboard is greater than the whole width of frame, and preceding footboard and back footboard up end all form anti-skidding line.

In order to ensure that the rear pedal can be reliably fixed with the rear frame, the bottom end of the rear pedal is provided with an open clamping groove with one open end, and the clamping groove 31 is clamped and embedded on the side end face of the rear frame.

In one embodiment, the rear fender 27 is arranged on the upper portion of the rear roller, a fastening hole 37 is arranged on one side of the front end of the rear fender, a lower convex block is arranged on the same side of the front end of the front frame and the fastening hole, and the convex block is clamped into the fastening hole and locked after the rear frame is folded. The structure is convenient for reliably locking the folded front frame and the folded rear frame, and the lug is hidden below the front pedal of the front frame, so that the overall appearance of the bicycle along with the bicycle is not influenced.

As an improvement, the brake pad can be arranged at the inner end of the rear mudguard, and the arrangement is convenient for directly reducing the speed until stopping by directly stepping on the brake pad in a low-speed state.

As another improvement, the rear roller can be directly provided with a disc brake mechanism, and the switch of the disc brake is controlled by a controller or a switch so as to reduce the speed at a higher speed.

The rear roller 26 is connected with the rear frame through a spring shock absorption structure at one side, so that the trafficability and comfort of the whole vehicle are stronger, and the shock absorption springs 8 are also arranged at the two sides of the lower part of the front fork frame in the same way.

As shown in fig. 7, the front frame and the rear frame are connected at one side by a rotating shaft 30 and are deflected with the rotating shaft as a pivot, and a locking mechanism is arranged at the other side of the frame to lock the unfolded state of the front bracket and the rear bracket.

In one embodiment, the locking mechanism comprises a pull ring 24 fixed on one frame and capable of rotating transversely, a movable clamping hook 23 is arranged on the pull ring, a clamping groove 32 is arranged on the other frame, the clamping hook is matched with the clamping groove, a concave stop block 36 is arranged at the front end of the rear frame, which is positioned on the inner side of the locking mechanism, and a convex block 33 and a corresponding empty groove are formed at the rear end of the front frame and are matched with the concave stop block. The clamping structure formed by the concave stop block and the convex block can ensure that the front frame and the rear frame are always kept on the same horizontal line when being unfolded, prevent deflection and effectively limit left and right.

Preferably, a plurality of projections 35 are formed at the front end of the rear frame, and a plurality of grooves 34 matched with the projections are formed at the rear end of the front frame and the rear frame, so that the matching tightness of the front frame and the rear frame when the front frame and the rear frame are unfolded can be improved again, and the stability and the balance of the whole frame at a higher vehicle speed can be met.

According to the invention, the storage bins are formed in the front frame and the rear frame, a power supply and a controller are arranged in the storage bin of the front frame, the power supply is connected with the rear roller driving motor, and the storage bin of the rear frame is independently used for storing articles. And a power supply can be placed in the rear frame storage bin to further expand the power supply capacity and prolong the cruising ability. The side part of the front frame is provided with a swing type footrest 21 which is beneficial to the supporting effect when the vehicle body is folded.

Fig. 8 and 9 show a schematic structural diagram of another universal front bracket according to the present invention, the front frame includes a frame with a guide block 101 and a middle joint 103, the rear end of the middle joint 103 is connected to the rear frame, and the front end of the middle joint forms a hollow cavity 105 for the guide block 101 to insert. The structure can be adjusted to determine the overall length of the frame before leaving a factory according to needs, so that the structure can be adapted to the combined types of the front wheel and the rear wheel with different specifications, and the shape of the folded whole vehicle tends to be uniform.

In order to facilitate accurate guiding and ensure the matching tightness of the middle coupling seat and the front frame, guide grooves 102 are respectively arranged at the upper end and the lower end of the guide block, and the middle coupling seat is provided with a guide strip 104 matched with the middle coupling seat at the inner end of the hollow cavity. Similar back and forth guidance is of course possible by means of a slide rail or a slider mechanism.

In order to fix the positioning position between the front frame and the middle coupling seat, the locking structure is added to reliably lock the front frame.

As shown in fig. 10, in a vehicle type in which the diameter of the rear wheel is larger than that of the front wheel, the front frame needs to be fixed in an unfolded and extended state, so that the front and rear rollers after being folded are positioned on the same straight line, and the regular shape after being folded is ensured.

As shown in fig. 11, in a vehicle type having front and rear wheels with the same diameter, the front frame and the center seat are retracted while being abutted against each other, so that the lengths of the front half and the rear half of the vehicle body are made to be the same, and the folded shape is made to be regular.

The design of the universal frame enables the same frame to be matched with the traveling vehicles with different specifications and sizes of the idler wheels, so that the shape of the folded vehicle tends to be regular, a plurality of sets of frame molds do not need to be developed, the production cost is saved, and the vehicle frame is convenient for enterprises to actively and quickly transform according to the market fashion trend.

When the foldable bicycle frame needs to be folded and stored, the rear pedal is firstly turned upwards by 180 degrees until the rear pedal is attached to the front pedal, then the bicycle frame can be firstly folded, the pull ring is rotated, the movable clamping hook on the pull ring is released to be separated from the clamping groove on the front bicycle frame, and at the moment, the rear bicycle frame can integrally deflect towards the other side until the buckling hole on the rear pedal is matched with the convex block at the lower end of the front pedal, so that the folded state of the front and rear bicycle frames is locked.

Then the upright post structure is folded, the locking buckle ring is opened to completely lock the inner upright post into the outer upright post, and the two handle bars are folded towards the rear side by 90 degrees and are folded.

And then unlocking a switch structure on the vertical rod structure, such as a locking pressing sheet provided in the embodiment, lifting the pressing sheet to enable the cam structure to rotate, releasing the pressure at the rear end of the front fender, pressing the front fender downwards at the moment, enabling a locking clamping block at the tail end of the front fender to be separated from a clamping groove of the vertical rod structure, and enabling the vertical rod structure to be laid downwards until the vertical rod structure is parallel to the frame. The front fender is released at the moment, so that the front fender is rebounded to be clamped into the folding clamping groove, the pressing sheet is pressed downwards, the cam structure is rotated, the cam structure is pushed against the rear end of the front fender again, the position of the front fender is reliably locked, the front fender cannot be pressed downwards, and the vertical rod structure after being folded is limited by multiple limits and cannot be unfolded easily. The folded state of the post structure after being completely folded and the folded state of the frame after the vehicle are both reliably locked by the corresponding locking structures.

If the folded state is required to be opened, the operation can be sequentially performed in a reverse direction, and finally the reliable locking of the unfolded state is ensured by pressing down the locking pressing sheet, and the rest operation steps are not described again.

In another series of following vehicles, a universal telescopic support is adopted and is produced in large quantities in a production workshop, the length of the frame is fixed in advance no matter whether the specifications and the sizes of the front wheels and the rear wheels are consistent or not according to the requirements of final products, and other matched components are produced, so that the folded front wheels and the folded rear wheels are positioned on the same straight line. By adopting the telescopic universal frame structure, enterprises can flexibly change the vehicle type according to market demands in the production process, for example, the specification and the size of front and rear wheels are changed, so that the change of the market is quickly coped with, a plurality of frames with different specifications are not required to be configured, and the cost is reduced.

It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims (10)

1. The utility model provides a foldable ride instead of walk along with driving, includes preceding frame (10) and back frame (25), preceding frame front portion sets up preceding crotch (7), and preceding crotch lower part sets up preceding gyro wheel (14), back connected to the vehicle frame rear roller (26), its characterized in that preceding crotch upper portion set up pole setting mechanism, set up handle bar mechanism in the pole setting mechanism, pole setting mechanism can overturn the laminating downwards preceding frame (22), back frame (25) can to one side level deflection and with preceding frame is parallel, after folding back frame and pole setting mechanism lock fold condition through locking structure respectively.

2. The foldable walking assistant vehicle according to claim 1, wherein the vertical rod mechanism comprises a vertical rod frame (1), two clamping grooves (11) are respectively arranged on two sides of the lower portion of the vertical rod frame, namely an unfolding positioning clamping groove and a folding positioning clamping groove, a front mudguard (6) capable of being adjusted in an up-and-down swinging mode is arranged in the front portion of the front fork frame, a locking clamping block (12) is arranged at the rear end of the front mudguard, and the front mudguard is capable of being adjusted in a swinging mode to clamp the locking clamping block into any clamping groove.

3. The foldable walk-substituting car according to claim 2, wherein the front fork is provided with a locking pressing piece (9), and the locking pressing piece can lock or unlock the state that the front mudguard is clamped into any clamping groove on the stand bar frame.

4. The foldable walker as claimed in claim 3, wherein the locking pad is connected to the front fork by a pin (3), the lower end of the locking pad for insertion of the pin is formed as a cam structure (4), the protruding end of the cam structure is in a fender locking state when it abuts against the rear end of the front fender, the front fender is connected to the front fork by another pin (5), and the lower part of the pin is connected to a tension spring.

5. A foldable walking assistant according to any of claims 1-4 wherein said front frame is provided with a front pedal (29) and said rear frame is provided with a rear pedal (28), said rear pedal being capable of being flipped up 180 degrees until it abuts said front pedal.

6. The foldable walking assistant vehicle according to any of claims 1-4, wherein the upper portion of the rear roller is provided with a rear fender (27), one side of the front end of the rear fender is provided with a fastening hole (37), the front end of the front frame is provided with a lower protruding block at the same side of the fastening hole, and the protruding block is locked in the fastening hole after the rear frame is folded.

7. A foldable walking assistant according to any of claims 1-4 wherein the front frame and the rear frame are connected at one side by a pivot (30) and are pivoted at the pivot, and a locking mechanism is provided at the other side of the frame to lock the unfolded state of the front and rear frames.

8. The foldable walker as claimed in claim 7, wherein the locking mechanism comprises a laterally rotatable tab (24) fixed to one frame, said tab having a movable hook (23), the other frame having a slot (32), said hook being adapted to said slot, said rear frame having a front end located inside the locking mechanism and a female stop (36), said front frame having a rear end forming a protrusion (33) and a corresponding recess adapted to said female stop.

9. The foldable walking assistant vehicle according to claims 1-4, wherein the front frame forms a guide block at the rear end, the guide block is externally sleeved with a middle joint seat, the middle joint seat is connected with the rear frame, and the middle joint seat can slide back and forth relative to the guide block and can be adjusted and fixed in position.

10. The foldable walking assistant vehicle as claimed in claim 1, wherein the middle of the vertical rod rack is hollowed, the upper part of the vertical rod rack is provided with an outer vertical rod (15), the outer vertical rod is provided with an inner vertical rod (18) capable of extending out or retracting into the outer vertical rod, the joint of the outer vertical rod and the inner vertical rod is provided with a locking ring buckle, and the handle bar mechanism comprises a handle bar (20) capable of being folded backwards.

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