CN105480356B - A kind of anti-jamming folding device - Google Patents

Abstract

The invention discloses a kind of anti-jamming folding devices, including axle bed, axle bed include vertical pivot hole and side axle hole, which is characterized in that carrier is connected to the vertical pivot hole of the axle bed by steering shaft, to realize go to action;Seat bar, chassis are connected to the side axle hole of axle bed by horizontal axis, and fold folding rotation can be carried out relative to carrier;The rear wheel frame split settings on chassis and installation rear-wheel, rear wheel frame are rotatablely connected by folding shaft and chassis;Diagonal brace connecting rod is set between seat bar and rear wheel frame, setting folds chain between the chassis and axle bed, the chain that folds includes the chain arm that two axis connect, unlock top flat is mutually pushed up with the folding chain, unlock top flat is rotationally connected with chassis by being fixed on the axis on chassis, and the unlock top flat is socketed on the axle sleeve setting joint flash of the axis.With the application of the invention, modern design, has the anti-jamming function of unlock, folds unlock and locking is convenient and efficient, complete vehicle structure is stable and firm, and the linkage of folding and unfolding is good.

Description

A kind of anti-jamming folding device

Technical field

The invention belongs to field of vehicles, and in particular to a kind of anti-jamming folding device.

Background technique

Disclose a kind of vehicle frame of electric foldable vehicle application No. is 201420075391.9 Chinese patent, carrier with step on Board shaft connection, the seat pipe and pedal axis connection, the vehicle frame of electric foldable vehicle are made of carrier and pedal, and pedal is relative to vehicle Frame can be turned down up and down, seat pipe can turn down up and down relative to pedal, and tailored appearance is smooth, compact, remote carrying, Stair activity, storage, charging are all extremely convenient.But seat pipe increases seat pipe axis and axle bed individually with pedal axis connection, it is attached The increase for belonging to accessory not only makes folding process complicated, to operate two steps, and folding degree is low, volume after folding is still larger. Seat pipe forms lever force to axle bed after not having support construction, driver to take, and be easy to cause the destruction of seat pipe or axle bed, drives The person of sailing psychologically can also generate unsafe feeling, and effect is poor；While installing support construction additional for seat pipe, solve safety problem How the locking and unlock of folding and retraction are just able to achieve, and inventor devises the triangle knot that foldable and deformable is quadrangle thus Structure devises the folding chain of secondary locking.Inventor has carried out multiple deduction and experiment to the structure, tests largely It being found in journey, for operator when pressing or stepping on the manipulatable end of unlock, because overexerting, to unlock top flat number of rotation excessive, though it is real Now unlock purpose but be easy be stuck in chain arm or less can not return, be easy to produce stuck phenomenon.

Technology contents

To overcome drawbacks described above, the technical problems to be solved by the present invention are: designing a kind of anti-jamming folding device, it is Seat pipe realizes the locking and unlock of folding and retraction while installing support construction additional, and prevents unlock top flat from stuck phenomenon occurs.

In order to solve the technical problem, used technical solution are as follows: a kind of anti-jamming folding device is designed, including Axle bed, axle bed include vertical pivot hole and side axle hole, which is characterized in that carrier is connected to the vertical pivot of the axle bed by steering shaft Hole, to realize go to action;Seat bar, chassis are connected to the side axle hole of axle bed by horizontal axis, can be turned over relative to carrier Unlock conjunction rotation;The rear wheel frame split settings on chassis and installation rear-wheel, rear wheel frame are rotatablely connected by folding shaft and chassis;Seat Diagonal brace connecting rod is set between bar and rear wheel frame, and setting folds chain between the chassis and axle bed, and the folding chain includes two The chain arm that axis connects, unlock top flat are mutually pushed up with the folding chain, are unlocked top flat by being fixed on the axis on chassis and are rotationally connected with bottom Disk, the unlock top flat are socketed on the axle sleeve setting joint flash of the axis；Vibration absorber, the vibration absorber is arranged in the diagonal brace connecting rod Including spring；The diagonal brace connecting rod is connected to the front end of rear wheel frame and constitutes foldable change with seat bar, chassis, rear wheel frame Shape be quadrangle three-legged structure, wherein chassis, rear wheel frame constitute three-legged structure bottom edge；The diagonal brace connecting rod by inner sleeve and Outer tube is socketed to form, and spring is set in outer tube and mutually pushes up with inner sleeve, and the outer end setting of inner sleeve and outer tube turns Axis；Stroke limit hole is arranged in the inner sleeve, and cross bar passes through stroke limit hole both ends and is fixed on outer tube；The chassis is set Bullet pin is set, pin hole is arranged in axle bed arc accordingly, and the pin hole being adapted to bullet pin is respectively set in the arc bottom and arc top of the axle bed；It is described Bullet pin includes spring, and bullet pin connects solution lock-switch by bracing wire；The solution lock-switch is set to the hand handle of carrier；Inner sleeve pipe sleeve The end amplification in outer tube is connect, the matched end of outer tube is accordingly tightened；The axle bed setting hook, rear wheel frame phase The setting hanging rod answered.

The quick locking and unlock folded is realized while the invention has the benefit that installing support construction additional for seat pipe, And prevent unlock top flat occur stuck phenomenon, it is easy to operate, reduce folding step, sound construction, improve folding and unfolding linkage and Convenience.Seat pipe only need to be turned down during vehicle folding, entire folding process settles at one go, other scheme phases with the prior art Than reducing folding step, reduces structure member, saved cost.Whole jack is ingenious, and linkage locking is realized in cooperation, Convenience is good.

Detailed description of the invention

Fig. 1 is schematic structural view of the invention

Fig. 2 is hand handle of the present invention and guy structure schematic diagram

Fig. 3 is internal and external casing overall structure diagram

Fig. 4 is folding process structural schematic diagram

Fig. 5 is to fold to finish structural schematic diagram

Fig. 6 is undersurface of bottom disc structural schematic diagram of the present invention

Fig. 7 is expansion three-legged structure schematic diagram

Fig. 8 is diagonal brace connecting rod overall structure diagram

Fig. 9 is shaft base structure schematic diagram

Figure 10 is pivot structure schematic diagram

Figure 11 is salient point mounting structure schematic diagram

Figure 12 is joint flash mounting structure schematic diagram

Figure 13 is unlock switch installing structure schematic diagram

Figure 14 is fold latch chain structure schematic diagram

Figure 15 is bullet pin installation site structural schematic diagram

Figure 16 is hook structure schematic diagram

Figure 17 is hook rail structure schematic diagram

Figure 18 is inner sleeve insertion end enlarged structure schematic diagram

Figure 19 is that folded state links up with position view

Figure 20 is hanging rod and hook fit structure schematic diagram

In figure: 1 carrier, 2 hand handle, 3 axle bed, 4 seat bar, 5 chassis, 6 diagonal brace connecting rod, 7 bullet pin, 8 pin hole, 9 vibration damping dress After setting 10 spring, 11 inner sleeve, 12 outer tube, 13 stroke limit hole, 14 cross bar 15 solution 16 bracing wire of lock-switch, 17 shaft 18 Raised 21 manipulatable ends 22 of 19 hook groove of wheel carrier 20 fold chain 23 and unlock the hook of top flat 24 25 hanging rod, 26 vertical pivot hole, 27 side 28 joint flash of axis hole, 29 salient point.

Specific embodiment

As shown, a kind of anti-jamming folding device, including axle bed 3, axle bed 3 include vertical pivot hole 26 and side axle hole 27, It is characterized in that, carrier 1 is connected to the vertical pivot hole 26 of the axle bed 3 by steering shaft, to realize go to action;Seat bar 4, Chassis 5 is connected to the side axle hole 27 of axle bed 3 by horizontal axis, and fold folding rotation can be carried out relative to carrier 1;Chassis 5 and peace 18 split settings of rear wheel frame of rear-wheel are filled, rear wheel frame 18 is rotatablely connected by folding shaft and chassis 5;Seat bar 4 and rear wheel frame 18 Between diagonal brace connecting rod 6 is set, setting folds chain 22 between the chassis 5 and axle bed 3, and the foldings chain 22 connects including two axis Chain arm, the unlock top flat 23 and 22 phase top of folding chain unlocks top flat 23 and is rotationally connected with by being fixed on the axis on chassis 5 Chassis 5, the unlock top flat 23 are socketed on the axle sleeve setting joint flash 28 of the axis；Vibration absorber 9, institute is arranged in the diagonal brace connecting rod 6 Stating vibration absorber 9 includes spring；The diagonal brace connecting rod 6 be connected to the front end of rear wheel frame 18 and with seat bar 4, chassis 5, after Wheel carrier 18 constitute foldable and deformable be quadrangle three-legged structure, wherein chassis 5, rear wheel frame 18 constitute three-legged structure bottom edge； The diagonal brace connecting rod 6 is socketed to form by inner sleeve 11 and outer tube 12, spring 10 be set in outer tube 12 and with inner sleeve 11 It mutually pushes up, shaft 17 is arranged in the outer end of inner sleeve 11 and outer tube 12；Stroke limit hole 13, cross bar 14 is arranged in the inner sleeve 11 Outer tube 12 is fixed on across 13 both ends of stroke limit hole；Bullet pin 7 is arranged in the chassis 5, and pin is arranged in axle bed arc accordingly The pin hole 8 being adapted to bullet pin 7 is respectively set in hole 8, the arc bottom and arc top of the axle bed 3；The bullet pin 7 includes spring, and bullet pin 7 is logical Cross the connection solution lock-switch 15 of bracing wire 16；The solution lock-switch 15 is set to the hand handle of carrier 1；Inner sleeve 11 is socketed in outer tube End amplification in 12, the matched end of outer tube 12 is accordingly tightened；The setting of axle bed 3 hook 24,18 phase of rear wheel frame The setting hanging rod 25 answered.Shaft 17 is arranged in 6 both ends of diagonal brace connecting rod, is connected to seat bar 4 and rear wheel frame 18.

Axis connection is distinguished in axle bed 3 in carrier 1, seat bar 4, chassis 5, and rear wheel frame 18 is rotated by folding shaft and chassis 5 Diagonal brace connecting rod 6 is arranged in connection between seat bar 4 and rear wheel frame 18；Vibration absorber 9 is arranged in the diagonal brace connecting rod 6；The vibration damping dress Setting 9 includes spring 10；The diagonal brace connecting rod 6 is socketed to form by inner sleeve 11 and outer tube 12, and spring is set in outer tube 12 And with 11 phase top of inner sleeve, shaft 17 is arranged in the outer end of inner sleeve 11 and outer tube 12；The inner sleeve 11 is arranged stroke and limits Position hole 13, cross bar 14 pass through 13 both ends of stroke limit hole and are fixed on outer tube 12；22 one end connecting base plate 5 of chain is folded, Other end connection shaft seat 3, i.e. one chain arm connecting base plate 5, then another chain arm connection shaft seat 3.The unlock top flat 23, which is equipped with, to be turned Axis, and it is connected with manipulatable end 21；The hanging rod 25 is equipped with shaft and is connected with manipulatable end 21；The unlock top flat 23 is equipped with can be certainly The dynamic spring resetted；The hook includes hook groove and end is chamfer, and the opposite face that the hanging rod falls into hook groove is equipped with protrusion 20；Vehicle Front-wheel is arranged in frame 1, rear-wheel is arranged in rear wheel frame 18, and seat bar 4 is equipped with the seat to take.

When needing to fold, the manipulatable end 21 that unlock top flat 23 is fixedly connected is stepped on or presses first, to prevent from trampling manipulation Stuck phenomenon occurs when holding 21, stroke limit is set for unlock top flat 23, unlock top flat 23 is equipped with axle sleeve, and chassis is equipped with and axle sleeve The axis of cooperation, the axis are fixed on chassis 5, and unlock top flat 23 is rotationally connected with chassis 5 by the axis, and joint flash is arranged in the axle sleeve 28；Concave arc is arranged in chain arm, to stop space for unlock top flat 23.When stepping on manipulatable end 21, when joint flash 28 moves to chassis 5 Bottom surface and when withstanding, unlock top flat 23 can not continue to move downward, and realize stroke limit, then proceed by vehicle frame folding, no Barrier can be generated, unlock top flat 23 is detached from the chain arm that original state is withstood, and folding chain 22 can freely fold, and chassis 5 can phase Closing motion is carried out for axle bed 3 upwards, realizes unlock effect, seat is pulled upwardly on the other hand and drives seat bar 4 towards carrier 1 Direction closure, diagonal brace connecting rod 6 moves upwards therewith at this time, and the rear end on chassis 5 and the front end of rear wheel frame 18 are to pass through folding shaft Connection, diagonal brace connecting rod 6, which moves upwards, pulls the front end of rear wheel frame 18 to move upwards, and the rear end on chassis 5 also moves upwards, chassis 5 and rear wheel frame 18 by axis of folding shaft form a downward angle, the angle of the angle is continuous with the folding movement of vehicle Reduce, it is minimum to become angle when folding in place；The rear end on chassis 5 moves upwards, and the front end axis on chassis 5 is connected to axle bed 3, i.e. chassis 5 upwards constantly towards carrier 1 direction be closed, i.e., seat bar 4 drive chassis 5 also together upwards closure, seat bar 4 towards Carrier 1 closure complete while, chassis 5 and it is preceding between frame 1 also therewith fold completion, rear wheel frame 18 is turned over downwards at this time, It is bonded towards chassis 5.

In folding process, the hook 24 that axle bed 3 is arranged constantly reduces at a distance from hanging rod 25, and contact hanging rod 25 is first The ends of 24 beveling of hook, the end of beveling slips on hanging rod 25 will not generate barrier, until hook groove 19 is caught in hanging rod 25, this When hanging rod 25 back be equipped with protrusion 20, when folding in place, hanging rod 25 falls into hook groove 19, and chassis 5 frame 1 and is locked before being bonded It is fixed；Corresponding vehicle keeps the lock state folded.

When needing to open from folded state, the manipulatable end 21 of hanging rod 25 is stepped on or pressed, the rotation of hanging rod axis, protrusion 20 is from right Rotation jacks up hook 24 upwardly, and hanging rod 25 is deviate from from hook groove 19, realizes vehicle unlock, and rear wheel frame 18 slides backward, vehicle Automatic-expanding is until be fully deployed in place, and unlock top flat 23 automatically resets under the action of the spring when expanding in place, and withstands on chain again On arm, the locking of unfolded state is completed, the situation before restoring unfolded.

Another embodiment: carrier 1 is connected to axle bed 3 by steering shaft, to realize go to action；4 axis connection of seat bar In axle bed 3, rotation can be flipped up relative to carrier 1, carry out open and close movement.Chassis 5 is connected to axle bed by folding shaft 3, rotation can also be flipped up relative to carrier 1, carry out open and close movement.Bullet pin 7 is arranged in the chassis 5, and axle bed arc bottom is set Corresponding pin hole 8 is set, the shape of bullet pin 7 is adapted with pin hole 8, diagonal brace connecting rod 6 is arranged between seat bar 4 and rear wheel frame 18, tiltedly Supporting rod 6 is withstood under seat bar 4, stable supporting role is played, before the lower end of diagonal brace connecting rod 6 is connected to rear wheel frame 18 End, vehicle unfolded state bullet pin 10 are inserted in the pin hole 12 at axle bed arc bottom, and chassis 5 is fallen on the ground, the phase of axle bed 3 and chassis 5 Position is locked；18 axis of rear wheel frame is connected to after chassis 5, is also fallen on the ground, is limited and bearing by diagonal brace connecting rod 6, seat The position of bar 4 is also fixed accordingly, forms the three-legged structure of stable strong.The bullet pin 7 includes spring 10, and bullet pin 7 passes through The connection solution lock-switch 15 of bracing wire 16；The solution lock-switch 15 is set to the hand handle 2 of carrier 1；The arc bottom and arc top of the axle bed 3 The pin hole 8 being adapted to bullet pin 7 is respectively set；The bullet pin 7 is inclination wedge type.

When needing to fold, manual operating unlock switch 15 drags bullet pin 7 out of axle bed arc bottom pin hole 8 by bracing wire 16 Out, chassis 5 can carry out closing motion relative to axle bed 3 upwards, realize unlock effect, be pulled upwardly seat on the other hand and drive seat Bar 4 is closed towards the direction of carrier 1, and diagonal brace connecting rod 6 moves upwards therewith at this time, before the rear end on chassis 5 and rear wheel frame 18 End is that diagonal brace connecting rod 6, which moves upwards, pulls the front end of rear wheel frame 18 to move upwards, the rear end on chassis 5 by folding axis connection Also it moves upwards, chassis 5 and rear wheel frame 18 form a downward angle, the angle of the angle using folding shaft to arch upward in axial direction Degree constantly reduces with the folding movement of vehicle, becomes angle minimum when folding in place, being deformed by firm three-legged structure can Fold the quadrangle of variation；The rear end on chassis 5 moves upwards, and the front end axis on chassis 5 is connected to axle bed 3, the i.e. upward continuous court in chassis 5 Carrier 1 direction closure, i.e., seat bar 4 drive chassis 5 also together upwards closure, seat bar 4 towards carrier 1 be closed While completion, chassis 5 and it is preceding between frame 1 also therewith fold complete, rear wheel frame 18 is turned over downwards at this time, towards chassis 5 paste It closes.

When bullet pin 7 by since in the pin hole 8 at axle bed arc bottom haul out fold when, bullet pin 7 departing from pin hole 8 position, Spring effect is lower to be close to axle bed arc, and is forced to slide upwards along axle bed arc, when folding in place, the pin hole 8 of bullet pin 7 and axle bed arc top Position is opposite, and bullet pin 7 just springs into the pin hole 8 on axle bed arc top, and chassis 5 frame 1 and is locked before being bonded；Corresponding vehicle is kept The lock state of folding.

When needing to open from folded state, manipulation solution lock-switch 15, bullet pin 7 are hauled out from the pin hole 8 on arc top again, chassis 5 and seat bar 4 etc. are automatically along axle bed arc glide downwards under Gravitative Loads, and vehicle Automatic-expanding is until be fully deployed in place, exhibition It bullet pin 7 and is sprung into the pin hole 8 at arc bottom when reaching, completes the locking of unfolded state, the situation before restoring unfolded.

Solve the problems, such as the embodiment of folding stand vibration damping scheme are as follows: the diagonal brace connecting rod 6 is by inner sleeve 11 and outer tube 12 Be socketed to form, spring be set in outer tube 12 and with 11 phase top of inner sleeve, when driver rides on seat, inner sleeve 11 It is inserted deeper into outer tube 12 and pressuring spring 10 is shunk, the elasticity of spring 10 itself can play damping effect；Inner sleeve 11 Shaft 17 is set with the outer end of outer tube 12, inner sleeve 11 and outer tube 12 are that diagonal brace connecting rod can be opposite as a whole It is turned folding in seat bar 4 and rear wheel frame 18；Stroke limit hole 13 is arranged in the inner sleeve 11, and cross bar 14 is limited across the stroke Outer tube 12 is fixed at position 13 both ends of hole, and the active strokes of inner sleeve 11 are limited to the length in stroke limit hole 13, both will not be from outer Extracting in casing 12 excessively to inject.

Solve the problems, such as another embodiment of folding stand vibration damping scheme are as follows: inner sleeve 11 is socketed in the end in outer tube and puts Greatly, the matched end of outer tube 12 is accordingly tightened, spring be set in outer tube 12 and with 11 phase top of inner sleeve, work as driving When people is ridden on seat, the casing of spring contraction, top is moved downward, and the contract by distance of spring constitutes stroke limit simultaneously.

In order to realize that linkage locking and unlock, a solution lock-switch 15 can be realized simultaneously chassis 5 and other folding joints Unlock and locking, other folding joints can be set locking structure, and bracing wire 14 is added merogenesis connection unlock bullet pin and be can be realized.

Further,

Another embodiment of stroke limit is arranged for unlock top flat 23: unlock top flat 23 is equipped with axle sleeve, and chassis is equipped with and axis The axis of cooperation is covered, which is fixed on chassis 5, and unlock 23 axis of top flat is connected to chassis 5；The chassis is in the side that manipulatable end 21 moves Fixed salient point 29 is set.When stepping on or pressing manipulatable end 21, when manipulatable end 21 moves to the fixed salient point 29 and quilt of 5 side of chassis When barrier is withstood, unlock top flat 23 can not continue to move downward, and realize stroke limit, continue vehicle frame folding after unlock.

It should be pointed out that above embodiment is only the preferred embodiment of the invention, for the common of the art For technical staff, under the premise of meeting working principle of the present invention, any equivalent or similar replacement each falls within of the invention Protection scope.

Claims (1)

1. a kind of anti-jamming folding device, including axle bed, axle bed include vertical pivot hole and side axle hole, which is characterized in that carrier It is connected to the vertical pivot hole of the axle bed, by steering shaft to realize go to action；Seat bar, chassis are connected to axle bed by horizontal axis Side axle hole, can be carried out relative to carrier fold folding rotation；The rear wheel frame split settings on chassis and installation rear-wheel, rear wheel frame It is rotatablely connected by folding shaft and chassis；Diagonal brace connecting rod is set between seat bar and rear wheel frame, is set between the chassis and axle bed Folding chain is set, the chain that folds includes the chain arm that two axis connect, and unlock top flat is mutually pushed up with the folding chain, and unlock top flat is logical It crosses and is fixed on the axis on chassis and is rotationally connected with chassis, the unlock top flat is socketed on the axle sleeve of the axis, and joint flash is arranged in axle sleeve, described Vibration absorber is arranged in diagonal brace connecting rod, and the vibration absorber includes spring, and the diagonal brace connecting rod is connected to the front end of rear wheel frame simultaneously And the three-legged structure that foldable and deformable is quadrangle is constituted with seat bar, chassis, rear wheel frame, wherein chassis, rear wheel frame constitute three The bottom edge of corner structure, the diagonal brace connecting rod are socketed to form by inner sleeve and outer tube, and spring is set in outer tube and and inner sleeve Shaft is arranged in the outer end of Guan Xiangding, inner sleeve and outer tube, and stroke limit hole is arranged in the inner sleeve, and cross bar passes through the row Outer tube is fixed at journey limit hole both ends, and bullet pin is arranged in the chassis, and axle bed arc, the arc of the axle bed arc is arranged in the axle bed The pin hole being adapted to bullet pin is respectively set in bottom and arc top, and the bullet pin includes spring, and bullet pin connects solution lock-switch, institute by bracing wire The hand handle that solution lock-switch is set to carrier is stated, inner sleeve is socketed in the amplification of the end in outer tube, and outer tube is matched with inner sleeve The end of conjunction is accordingly tightened, and hanging rod is arranged in the axle bed setting hook, rear wheel frame accordingly.