Technology contents
For overcoming above-mentioned defect, technical matters to be solved by this invention is: design a kind of anti-jamming folding device, for seat pipe add cartridge support structure while realize locking and the unblock of folding and retraction, and prevent from unlocking top flat generation stuck phenomenon.
In order to solve the technical problem, the technical scheme adopted is: design a kind of anti-jamming folding device, comprise axle bed; axle bed comprises vertical pivot hole and side shaft hole; it is characterized in that, carrier is connected to the vertical pivot hole of described axle bed, to realize handling maneuver by steering shaft; Seat bar, chassis are connected to the side shaft hole of axle bed by transverse axis, can carry out turnover folding rotate relative to carrier; Chassis is arranged with the rear wheel frame split of installing trailing wheel, and rear wheel frame is rotationally connected by folding shaft and chassis; Diagonal brace connecting rod is set between seat bar and rear wheel frame, between described chassis and axle bed, folding chain is set, described folding chain comprises two chain arms be coupling, unlock top flat to push up mutually with described folding chain, unlock top flat and be rotationally connected with chassis by the axle being fixed on chassis, the side moved at the manipulatable end of described unblock top flat in described chassis arranges fixing salient point; Described diagonal brace connecting rod arranges shock attenuation unit, and described shock attenuation unit comprises spring; Described diagonal brace connecting rod is connected to the leading section of rear wheel frame and forms with seat bar, chassis, rear wheel frame the three-legged structure that Foldable and deformable is quadrangle, wherein the base of chassis, rear wheel frame formation three-legged structure; Described diagonal brace connecting rod is socketed to form by inner sleeve and outer tube, and spring to be arranged in outer tube and to push up mutually with inner sleeve, and the outer end of inner sleeve and outer tube arranges rotating shaft; Described inner sleeve arranges stroke limit hole, and cross bar is fixed on outer tube through two ends, described stroke limit hole; Described chassis arranges bullet pin, and axle bed arc arranges pin-and-hole accordingly, and at the bottom of the arc of described axle bed and arc top arranges the pin-and-hole with bullet pin adaptation respectively; Described bullet pin comprises spring, and bullet pin connects unlock switch by bracing wire; Described unlock switch is arranged at the hand handle of carrier; The end that inner sleeve is socketed in outer tube is amplified, and the end that outer tube coordinates with it is corresponding tightens up; Described axle bed arranges hook, and rear wheel frame arranges peg accordingly.
Beneficial effect of the present invention is: for seat pipe add cartridge support structure while realize folding quick locking and unblock, and prevent from unlocking top flat generation stuck phenomenon, easy to operate, reduce folding step, sound construction, improve linkage and the convenience of folding and unfolding.Only need turn down seat pipe in vehicle folding process, whole folding process settles at one go, decreases folding step, decrease structure member compared with other schemes of prior art, has saved cost.Overall jack is ingenious, and coordinate and realize linkage locking, convenience is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is hand of the present invention handle and guy structure schematic diagram
Fig. 3 is internal and external casing integral structure schematic diagram
Fig. 4 is folding process structural representation
Fig. 5 is folding complete structural representation
Fig. 6 is undersurface of bottom disc structural representation of the present invention
Fig. 7 is for launching three-legged structure schematic diagram
Fig. 8 is diagonal brace connecting rod integral structural representation
Fig. 9 is shaft base structure schematic diagram
Figure 10 is pivot structure schematic diagram
Figure 11 is joint flash installation site structural representation
Figure 12 is joint flash structural representation
Figure 13 is unlock switch mounting structure schematic diagram
Figure 14 is fold latch chain structure schematic diagram
Figure 15 is bullet pin installation site structural representation
Figure 16 is hook structure schematic diagram
Figure 17 is hook rail structure schematic diagram
Figure 18 is inner sleeve insertion end structure for amplifying schematic diagram
Figure 19 is folded state hook position view
Figure 20 is peg and hook fit structure schematic diagram
In figure: 1 carrier 2 hand folds chain 23 protruding 21 manipulatable ends 22 of 3 axle bed 4 seat bar 5 chassis 6 diagonal brace connecting rod 7 bullet pin 8 pin-and-hole 9 shock attenuation unit 10 spring 11 inner sleeve 12 outer tube 13 stroke limit hole 14 cross bar 15 unlock switch 16 bracing wire 17 rotating shaft 18 rear wheel frame 19 hook groove 20 and unlocks top flat 24 and link up with 25 side shaft hole 28, peg 26 vertical pivot hole 27 joint flash 29 salient points.
Detailed description of the invention
As shown in the figure, a kind of anti-jamming folding device, comprises axle bed 3, and axle bed 3 comprises vertical pivot hole 26 and side shaft hole 27, it is characterized in that, carrier 1 is connected to the vertical pivot hole 26 of described axle bed 3, to realize handling maneuver by steering shaft; Seat bar 4, chassis 5 are connected to the side shaft hole 27 of axle bed 3 by transverse axis, can carry out turnover folding rotate relative to carrier 1; Chassis 5 is arranged with rear wheel frame 18 split of installing trailing wheel, and rear wheel frame 18 is rotationally connected by folding shaft and chassis 5; Diagonal brace connecting rod 6 is set between seat bar 4 and rear wheel frame 18, between described chassis 5 and axle bed 3, folding chain 22 is set, described folding chain 22 comprises two chain arms be coupling, unlock top flat 23 and described folding chain 22 phase top, unlock top flat 23 and be rotationally connected with chassis 5 by the axle being fixed on chassis 5, the side moved at the manipulatable end 21 of described unblock top flat in described chassis 5 arranges fixing salient point 29; Described diagonal brace connecting rod 6 arranges shock attenuation unit 9, and described shock attenuation unit 9 comprises spring; Described diagonal brace connecting rod 6 is connected to the leading section of rear wheel frame 18 and forms with seat bar 4, chassis 5, rear wheel frame 18 three-legged structure that Foldable and deformable is quadrangle, and wherein chassis 5, rear wheel frame 18 form the base of three-legged structure; Described diagonal brace connecting rod 6 is socketed to form by inner sleeve 11 and outer tube 12, spring 10 to be arranged in outer tube 12 and with inner sleeve 11 phase top, the outer end of inner sleeve 11 and outer tube 12 arranges rotating shaft 17; Described inner sleeve 11 arranges stroke limit hole 13, and cross bar 14 is fixed on outer tube 12 through two ends, described stroke limit hole 13; Described chassis 5 arranges bullet pin 7, and axle bed arc arranges pin-and-hole 8 accordingly, and at the bottom of the arc of described axle bed 3 and arc top arranges the pin-and-hole 8 with bullet pin 7 adaptation respectively; Described bullet pin 7 comprises spring, and bullet pin 7 connects unlock switch 15 by bracing wire 16; Described unlock switch 15 is arranged at the hand handle of carrier 1; The end that inner sleeve 11 is socketed in outer tube 12 is amplified, and the end that outer tube 12 coordinates with it is corresponding tightens up; Described axle bed 3 arranges hook 24, and rear wheel frame 18 arranges peg 25 accordingly.Described diagonal brace connecting rod 6 two ends arrange rotating shaft 17, are connected to seat bar 4 and rear wheel frame 18.
Carrier 1, seat bar 4, chassis 5 respectively axle are connected to axle bed 3, and rear wheel frame 18 is rotationally connected by folding shaft and chassis 5, arranges diagonal brace connecting rod 6 between seat bar 4 and rear wheel frame 18; Described diagonal brace connecting rod 6 arranges shock attenuation unit 9; Described shock attenuation unit 9 comprises spring 10; Described diagonal brace connecting rod 6 is socketed to form by inner sleeve 11 and outer tube 12, spring to be arranged in outer tube 12 and with inner sleeve 11 phase top, the outer end of inner sleeve 11 and outer tube 12 arranges rotating shaft 17; Described inner sleeve 11 arranges stroke limit hole 13, and cross bar 14 is fixed on outer tube 12 through two ends, described stroke limit hole 13; Folding chain 22 one end connecting base plate 5, other end connection shaft seat 3, i.e. one chain arm connecting base plate 5, then another chain arm connection shaft seat 3.Described unblock top flat 23 is provided with rotating shaft 17, and is connected with manipulatable end 21; Described peg 25 is provided with rotating shaft 17 and is connected with manipulatable end 21; Described unblock top flat 23 is provided with can automatically reset spring; Described hook comprises hook groove and end is cut sth. askew, and the opposite face that described peg falls into hook groove is provided with protruding 20; Carrier 1 arranges front-wheel, and rear wheel frame 18 arranges trailing wheel, and seat bar 4 is provided with the seat taken.
When needing folding, first step on or press the manipulatable end 21 unlocking top flat 23 and be fixedly connected with, stuck phenomenon is there is during for preventing from trampling manipulatable end 21, for unlocking top flat 23, stroke limit is set, unlock top flat 23 and be provided with axle sleeve, chassis is provided with the axle coordinated with axle sleeve, and this axle is fixed on chassis 5, unlocks top flat 23 and is rotationally connected with chassis 5 by this axle; Chain arm arranges concave arc, thinks that unlocking top flat 23 stops motion space.Described chassis arranges fixing salient point 29 in the side that manipulatable end 21 moves.When stepping on or press manipulatable end 21, when the fixing salient point 29 being blocked that manipulatable end 21 moves to side, chassis 5 withstands, manipulatable end 21 is obstructed, and unlocks top flat 23 and cannot continue to move downward, realize stroke limit, vehicle frame folding is proceeded after unblock, unblock top flat 23 departs from the chain arm that previous status is withstood, folding chain 22 can freely fold, closing motion upwards can be carried out relative to axle bed 3 in chassis 5, realize unlocking effect, being pulled upwardly seat on the other hand drives seat bar 4 to close towards the direction of carrier 1, now diagonal brace connecting rod 6 upward movement thereupon, the rear end on chassis 5 is connected by folding shaft with the front end of rear wheel frame 18, diagonal brace connecting rod 6 upward movement pulls the front end upward movement of rear wheel frame 18, the rear end also upward movement on chassis 5, chassis 5 and rear wheel frame 18 are that axle forms a downward angle with folding shaft, the angle of this angle constantly reduces along with the folding movement of car load, it is folding that to become angle when putting in place minimum, the rear end upward movement on chassis 5, the front end on chassis 5 is coupling in axle bed 3, namely chassis 5 upwards closes in the continuous direction towards carrier 1, namely seat bar 4 drives chassis 5 also upwards to close together, while seat bar 4 has closed towards carrier 1, chassis 5 and frontly also thereupon to have folded between frame 1, now rear wheel frame 18 turns down downwards, fits towards chassis 5.
In folding process, the hook 24 that axle bed 3 is arranged constantly reduces with the distance of peg 25, what first contact peg 25 is the end that hook 24 is cut sth. askew, the end of cutting sth. askew slips on peg 25 can not produce obstruct, until hook groove 19 snaps in peg 25, now the back of peg 25 is provided with protruding 20, folding when putting in place, peg 25 falls into hook groove 19, and chassis 5 is also locked frame 1 before fitting; Corresponding car load keeps folding lock-out state.
When needing to open from folded state, step on or press the manipulatable end 21 of peg 25, peg axle rotates, and protruding 20 upwards rotate jack-up hook 24 from opposite, peg 25 is deviate from from hook groove 19, realize car load to unlock, rear wheel frame 18 slides backward, and car load Automatic-expanding is until launch to put in place completely, unlock top flat 23 when expansion puts in place to automatically reset under the action of the spring, again withstand on chain arm, complete the locking of deployed condition, recover the situation before not folding.
Another embodiment: carrier 1 is connected to axle bed 3 by steering shaft, to realize handling maneuver; Seat bar 4 axle is connected to axle bed 3, upwards can turn down rotation, carry out open and close movement relative to carrier 1.Chassis 5 is connected to axle bed 3 by folding shaft, also upwards can turn down rotation relative to carrier 1, carry out open and close movement.Described chassis 5 arranges bullet pin 7, corresponding pin-and-hole 8 is set at the bottom of axle bed arc, shape and the pin-and-hole 8 of bullet pin 7 are suitable, arrange diagonal brace connecting rod 6 between seat bar 4 and rear wheel frame 18, diagonal brace connecting rod 6 withstands under seat bar 4, plays stable supporting role, the lower end of diagonal brace connecting rod 6 is connected to the front end of rear wheel frame 18, vehicle deployed condition bullet pin 10 is inserted in the pin-and-hole 12 at the bottom of axle bed arc, and chassis 5 falls on the ground, and axle bed 3 locks with the relative position on chassis 5; Rear wheel frame 18 is coupling after chassis 5, also falls on the ground, and by restriction and the supporting of diagonal brace connecting rod 6, the position of seat bar 4 is also fixed accordingly, forms the three-legged structure of stable strong.Described bullet pin 7 comprises spring 10, and bullet pin 7 connects unlock switch 15 by bracing wire 16; Described unlock switch 15 is arranged at the hand of carrier 12; At the bottom of the arc of described axle bed 3 and arc top arranges the pin-and-hole 8 with bullet pin 7 adaptation respectively; Described bullet pin 7 is inclination wedge type.
When needing folding, one hand operation unlock switch 15 is hauled out bullet pin 7 by bracing wire 16 in the pin-and-hole 8 at the bottom of axle bed arc, closing motion upwards can be carried out relative to axle bed 3 in chassis 5, realize unlocking effect, being pulled upwardly seat on the other hand drives seat bar 4 to close towards the direction of carrier 1, now diagonal brace connecting rod 6 upward movement thereupon, the rear end on chassis 5 is connected by folding shaft with the front end of rear wheel frame 18, diagonal brace connecting rod 6 upward movement pulls the front end upward movement of rear wheel frame 18, the rear end also upward movement on chassis 5, chassis 5 and rear wheel frame 18 with folding shaft for axially to arch upward, form a downward angle, the angle of this angle constantly reduces along with the folding movement of car load, it is folding that to become angle when putting in place minimum, the quadrangle of collapsible change is deformed into by firm three-legged structure, the rear end upward movement on chassis 5, the front end on chassis 5 is coupling in axle bed 3, namely chassis 5 upwards closes in the continuous direction towards carrier 1, namely seat bar 4 drives chassis 5 also upwards to close together, while seat bar 4 has closed towards carrier 1, chassis 5 and frontly also thereupon to have folded between frame 1, now rear wheel frame 18 turns down downwards, fits towards chassis 5.
When bullet pin 7 by from the pin-and-hole 8 at the bottom of axle bed arc haul out folding time, bullet pin 7 has departed from the position of pin-and-hole 8, be close to axle bed arc under the action of the spring, and be forced to upwards slide along axle bed arc, folding when putting in place, bullet pin 7 is relative with pin-and-hole 8 position on axle bed arc top, and bullet pin 7 just in time springs into the pin-and-hole 8 on axle bed arc top, and chassis 5 is also locked frame 1 before fitting; Corresponding car load keeps folding lock-out state.
When needing to open from folded state, again handle unlock switch 15, bullet pin 7 is hauled out from the pin-and-hole 8 on arc top, chassis 5 and seat bar 4 etc. are automatic along axle bed arc glide downwards under Gravitative Loads, car load Automatic-expanding is until launch to put in place completely, when launching to put in place, bullet pin 7 springs into again in the pin-and-hole 8 at the bottom of arc, completes the locking of deployed condition, recovers the situation before not folding.
The embodiment solving folding stand vibration damping problem scheme is: described diagonal brace connecting rod 6 is socketed to form by inner sleeve 11 and outer tube 12, spring to be arranged in outer tube 12 and with inner sleeve 11 phase top, when steerman rides on seat, the darker insertion outer tube 12 of inner sleeve 11 pressuring spring 10 shrink, and the elasticity of spring 10 itself can play damping of vibrations; The outer end of inner sleeve 11 and outer tube 12 arranges rotating shaft 17, and inner sleeve 11 and outer tube 12 are integrally that diagonal brace connecting rod can turn folding relative to seat bar 4 and rear wheel frame 18; Described inner sleeve 11 arranges stroke limit hole 13, and cross bar 14 is fixed on outer tube 12 through two ends, described stroke limit hole 13, and the active strokes of inner sleeve 11 is limited to the length in stroke limit hole 13, both can not extract from outer tube 12 and also can not excessively inject.
Another embodiment solving folding stand vibration damping problem scheme is: the end that inner sleeve 11 is socketed in outer tube is amplified, the end that outer tube 12 coordinates with it is corresponding tightens up, spring to be arranged in outer tube 12 and with inner sleeve 11 phase top, when steerman rides on seat, spring contraction, the sleeve pipe on top moves downward, and the contract by distance of spring forms stroke limit simultaneously.
In order to realize linkage locking and unblock, a unlock switch 15 can realize unblock and the locking of chassis 5 and other folding joints simultaneously, and other folding joints can arrange latch-up structure, and bracing wire 14 is set up merogenesis connection unblock bullet pin and can be realized.
Further,
Another embodiment of stroke limit is set for unlocking top flat 23: during for preventing from trampling manipulatable end 21, stuck phenomenon occurs, for unlocking top flat 23, stroke limit is set, unlock top flat 23 and be provided with axle sleeve, chassis is provided with the axle coordinated with axle sleeve, this axle is fixed on chassis 5, unlock top flat 23 and be rotationally connected with chassis 5 by this axle, described axle sleeve arranges joint flash 28; Chain arm arranges concave arc, thinks that unlocking top flat 23 stops motion space.When stepping on manipulatable end 21, when joint flash 28 moves to bottom surface, chassis 5 and withstands, unlock top flat 23 and cannot continue to move downward, realize stroke limit, then proceed vehicle frame folding, can not obstruct be produced
It is pointed out that above-mentioned embodiment is only the preferred embodiment of the invention, for those skilled in the art, under the prerequisite meeting principle of work of the present invention, any equivalent or similar replacement all falls into protection scope of the present invention.