CN208799424U

CN208799424U - Folding wheel chair

Info

Publication number: CN208799424U
Application number: CN201820190370.XU
Authority: CN
Inventors: 戴志荣; 朱吴伟
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd
Priority date: 2018-02-02
Filing date: 2018-02-02
Publication date: 2019-04-30
Anticipated expiration: 2028-02-02
Also published as: WO2019148915A1

Abstract

The utility model relates to wheelchair technical fields, and in particular to a kind of folding wheel chair, including seat front bracket, seat after-poppet, back bracket, front-wheel support and rear wheel support；In the deployed state, seat front bracket and seat after-poppet are horizontally disposed, and front-wheel support is in be vertically arranged substantially, and rear wheel support is obliquely installed from the front to the back；The front end of seat after-poppet is connected by the rear end thereof of first rotating shaft and seat front bracket, the rear end of seat after-poppet is rotatablely connected by the middle part of the second shaft and back bracket, the upper end of front-wheel support is rotatablely connected simultaneously by third shaft and the front end of seat front bracket and the front end of rear wheel support, and the rear end of rear wheel support is rotatablely connected by the lower end of the 4th shaft and back bracket；By applying active force, seat front bracket and the junction of seat after-poppet is set to arch upward upwards, so that seat front bracket, seat after-poppet, back bracket, front-wheel support and rear wheel support fold.

Description

Folding wheel chair

Technical field

The utility model relates to wheelchair technical fields, and in particular to a kind of folding wheel chair.

Background technique

Although existing wheelchair can also fold, the mode for being different wheelchair folding is also different, using different The complexity of folding mode, the total complexity and folding operation that may result in wheelchair is also not quite similar；It is existing Folding wheel chair, most structure is all more complicated, and fold operation difficulty it is also bigger, it is difficult to accomplish a key operation just By the effect of wheelchair foldable integral and expansion.

Utility model content

The purpose of the utility model is to provide a kind of overall structure of wheelchair is relatively simple, this must operate and be easier, and A key operation is able to achieve by the folding wheel chair of wheelchair foldable integral and expansion.

To solve the above-mentioned problems, after the utility model provides a kind of folding wheel chair, including seat front bracket, seat Bracket, back bracket, front-wheel support and rear wheel support；Wherein, in the deployed state, the seat front bracket and seat after-poppet Horizontally disposed, the front-wheel support is in be vertically arranged substantially, and the rear wheel support is obliquely installed from the front to the back；After the seat The front end of bracket is connect by first rotating shaft with the rear end thereof of the seat front bracket, and the rear end of the seat after-poppet passes through The middle part of second shaft and the back bracket is rotatablely connected, and the upper end of the front-wheel support passes through third shaft and the seat The front end of fore-stock and the front end of rear wheel support are rotatablely connected simultaneously, the rear end of the rear wheel support by the 4th shaft with it is described The lower end of back bracket is rotatablely connected；By applying active force, make the junction of the seat front bracket and seat after-poppet to On arch upward so that the seat front bracket, seat after-poppet, back bracket, front-wheel support and rear wheel support fold.

It preferably, further include armrest support, the armrest support includes handrail, first connecting rod and second connecting rod, The lower end of the first connecting rod is rotatably connected on the junction of seat after-poppet and back bracket by turnover mechanism, and described first The upper end of connecting rod is connect with the rear end thereof of the handrail, after the lower end of the second connecting rod is by the 5th shaft and the seat The front end of bracket is rotatablely connected, and the upper end of the second connecting rod with the front end of the handrail by being rotatablely connected；The handrail, The connection of one connecting rod, second connecting rod and seat after-poppet forms a quadrilateral structure.

Preferably, the turnover mechanism includes intermeshing first gear and second gear, first tooth Wheel is socketed in second shaft, and is fixedly connected with the back bracket, and the second gear is rotated by the 6th shaft Be connected on the seat after-poppet, the lower end of the second connecting rod is connected in the 6th shaft, and with second tooth Wheel moves synchronously.

It preferably, further include pedal support, the pedal support includes pedal lower bracket, pedal side stand and steps on Plate upper bracket, the pedal side stand from top to bottom are obliquely installed, the upper end of the pedal side stand by the 7th shaft with The front end of the seat after-poppet is rotatablely connected, and the lower end of the pedal side stand passes through eight revolution axis and the front-wheel support Lower end rotation connection, the side of the upper end of the pedal lower bracket is rotated by the lower end of the 9th shaft and the front-wheel support to be connected Connect, the pedal upper bracket be "T"-shaped bracket, the opposite both ends of the "T"-shaped bracket respectively with two rear wheel supports Middle part rotation connection, the middle part of the upper end of the lower end of the "T"-shaped bracket and the pedal lower bracket is rotatablely connected.

It preferably, further include the locking mechanism being arranged on the seat front bracket, the locking mechanism includes Switch member and locking executive item, the switch member has upper lock-bit and Xie Suowei, described when the switch member switches to lock-bit Locking executive item locks the pedal side bracket, and when the switch member switches to solution lock-bit, the locking executive item will be described The unlock of pedal side stand.

Preferably, the switch member also has neutral gear position, and the neutral gear position is equipped with one section of neutral gear stroke, described to open Closing part can be on the neutral gear position along neutral gear stroke free movement, when the switch member switches to the neutral gear position, the lock Determine executive item to lock the pedal side bracket.

Preferably, cushion and recoil pad, the preceding cushion prop up before being releasably mounted on the seat before further including On the upper surface of frame, the recoil pad is removably mounted on the upper surface of the seat after-poppet, the preceding cushion and The adjacent side of the recoil pad mutually reclines.

The folding wheel chair of the utility model, since the front end of seat after-poppet passes through first rotating shaft and seat front bracket The rear end of rear end thereof connection, seat after-poppet is rotatablely connected by the middle part of the second shaft and back bracket, front-wheel support Upper end is rotatablely connected simultaneously by third shaft and the front end of seat front bracket and the front end of rear wheel support, the rear end of rear wheel support It is rotatablely connected by the lower end of the 4th shaft and back bracket；Therefore, active force can be applied by manpower so as to prop up before seat The junction of frame and seat after-poppet is arched upward upwards so that seat front bracket, seat after-poppet, back bracket, front-wheel support and Rear wheel support synchronous interaction folds；It again may be by manpower and apply active force so as to prop up after seat front bracket and seat The junction of frame is shakeout, so that chair fore-stock, seat after-poppet, back bracket, front-wheel support and rear wheel support synchronize exhibition It opens；The process that entire wheelchair folds and unfolds only needs one-handed performance, and operation is easier, and realizing a key operation can will take turns Chair foldable integral and expansion improve the man-machine Experience Degree of wheelchair.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the folding wheel chair of one preferred embodiment of the utility model；

Fig. 2 is the schematic diagram of the integral frame structure of the folding wheel chair of one preferred embodiment of the utility model；

Fig. 3 is the first connecting rod and seat after-poppet and backrest branch of the folding wheel chair of one preferred embodiment of the utility model The connection schematic diagram of the junction of frame；

Fig. 4 is the bottom structure signal of the integral frame structure of the folding wheel chair of one preferred embodiment of the utility model Figure；

Fig. 5 is the unfolded state schematic diagram of the folding wheel chair of one preferred embodiment of the utility model；

Fig. 6 is the semi-collapsed condition schematic diagram of the folding wheel chair of one preferred embodiment of the utility model；

Fig. 7 is the folded state schematic diagram of the folding wheel chair of one preferred embodiment of the utility model.

Wherein, 1, seat front bracket；2, seat after-poppet；3, back bracket；4, front-wheel support；41, front-wheel；5, rear-wheel branch Frame；51, rear-wheel；6, armrest support；61, handrail；62, first connecting rod；63, second connecting rod；64, turnover mechanism；641, the first tooth Wheel；642, second gear；7, pedal support；71, pedal lower bracket；72, pedal side stand；73, pedal upper bracket；8, machine is locked Structure；81, switch member；811, handle；82, executive item is locked；9, preceding cushion；10, recoil pad；20, battery；30, anti-hypsokinesis bracket； 301, anti-hypsokinesis wheel；A, first rotating shaft；B, the second shaft；C, third shaft；D, the 4th shaft；E, the 5th shaft；F, the 6th turn Axis；G, the 7th shaft；H, eight revolution axis；I, the 9th shaft.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

In the utility model embodiment, the orientation being related to, such as "front", "rear", "upper", "lower" etc., with user When being sitting on wheelchair with normal posture, defined with the orientation of user.

In conjunction with shown in Fig. 1 to Fig. 7, a kind of folding wheel chair of the utility model embodiment is schematically showed, wrap Include seat front bracket 1, seat after-poppet 2, back bracket 3, front-wheel support 4 and rear wheel support 5；Wherein, in the deployed state, seat Chair fore-stock 1 and seat after-poppet 2 are horizontally disposed, and substantially in being vertically arranged, rear wheel support 2 inclines front-wheel support 1 from the front to the back Tiltedly setting；

The front end of seat after-poppet 2 is connect by first rotating shaft A with the rear end thereof of seat front bracket 1, seat after-poppet 2 Rear end be rotatablely connected by the middle part of the second shaft B and back bracket 3, the upper end of front-wheel support 4 passes through third rotating shaft C and seat The front end of chair fore-stock 1 and the front end of rear wheel support 5 are rotatablely connected simultaneously, and the rear end of rear wheel support 5 passes through the 4th rotating shaft D and leans on The lower end of back braces 3 is rotatablely connected；

Active force can be applied by manpower so that seat front bracket 1 and the junction of seat after-poppet 2 are arched upward upwards, made Be able to rear-wheel 51 be supporting point, using the 4th rotating shaft D as axis of oscillation, by seat front bracket 1, seat after-poppet 2, back bracket, Front-wheel support and rear wheel support synchronous interaction fold；Likewise it is possible to apply active force so that before seat by manpower Bracket 1 and the junction of seat after-poppet 2 are shakeout, so that be supporting point with rear-wheel 51, it, will using the 4th rotating shaft D as axis of oscillation Seat front bracket 1, seat after-poppet 2, back bracket 3, front-wheel support 4 and the synchronous interaction expansion of rear wheel support 5；Entire wheelchair Structural framing is relatively simple, and the process that wheelchair folds and unfolds only needs one-handed performance, and operation is easier, and realizes one Wheelchair foldable integral and expansion can be improved the man-machine Experience Degree of wheelchair by key operation.

In conjunction with shown in Fig. 1 to Fig. 3, the folding wheel chair of the utility model embodiment further includes armrest support 6, wherein is helped Hand bracket 6 includes handrail 61, first connecting rod 62 and second connecting rod 63, and the lower end of first connecting rod 62 is connected by the rotation of turnover mechanism 64 It connecing in the junction of seat after-poppet 2 and back bracket 3, the upper end of first connecting rod 62 is connect with the rear end thereof of handrail 61, the The lower end of two connecting rods 63 is rotatablely connected by the front end of the 5th shaft E and seat after-poppet 2, the upper end of second connecting rod 63 and handrail 61 front end rotation connection；One four side of connection formation of handrail 61, first connecting rod 62, second connecting rod 63 and seat after-poppet 2 Shape structure；Seat after-poppet 2 is turned over foldings around the second shaft B during wheelchair folds, the synchronization of seat after-poppet 2 Ground pushes second connecting rod 63, and then synchronously driving first connecting rod 62 is swung backward turnover mechanism 64, so that armrest support 6 is integrally It turns over folding.

As shown in figure 3, turnover mechanism 64 includes intermeshing first gear 641 and second gear 642, first gear 641 are socketed on the second shaft B, and are fixedly connected with back bracket 3, and second gear 642 is rotatably connected on by the 6th shaft F On seat after-poppet 2, the lower end of second connecting rod 63 is connected on the 6th shaft F, and is moved synchronously with second gear 642；First The engaged transmission of gear 641 and second gear 642, similar to the transmission principle of planetary gear construction, wherein first gear 641 It is equivalent to sun gear, second gear 642 is equivalent to planetary gear, when seat after-poppet 2 is turned over folding around the second shaft B When, first gear 641 is fixed, and second gear 642 around first gear 641 while revolving, around eight revolution axis H's Axis rotation, since the lower end of second connecting rod 63 is connected on the 6th shaft F, 642 rotation of second gear synchronously drives second Connecting rod 63 is swung backward around the axis of the 6th shaft F, so that armrest support 6 is integrally turned over, realization is folded.

Shown in referring to figure 4., the folding wheel chair of the utility model embodiment further includes pedal support 7, and pedal support 7 wraps Include " U "-shaped pedal lower bracket 71, pedal side stand 72 and pedal upper bracket 73, wherein in the deployed state, pedal is collateral Frame 72 from top to bottom is obliquely installed, and the upper end of pedal side stand 72 is rotated by the front end of the 7th shaft G and seat after-poppet 2 The lower end of connection, pedal side stand 72 is rotatablely connected by the lower end of eight revolution axis H and front-wheel support 4, pedal lower bracket 71 The side of upper end is rotatablely connected by the lower end of the 9th shaft I and front-wheel support 4, and the lower end of front-wheel support 4 is equipped with front-wheel 41, Pedal upper bracket 73 is "T"-shaped bracket, and the opposite both ends of "T"-shaped bracket are rotated with the middle part of two rear wheel supports 5 respectively to be connected It connects, the middle part rotation connection of the upper end of the lower end and pedal lower bracket 71 of "T"-shaped bracket；It is propped up after seat front bracket 1 and seat When the upward overturning of arching upward of frame 2 folds, while the front end of seat after-poppet 2 pulls pedal side stand 72 to overturn, keep pedal collateral Frame 72 pulls front-wheel support 4 to turn over folding, while pedal lower bracket 71 is flipped up around the 9th shaft I, to link Ground, which is realized, folds the function of packing up for pedal support 7.

Please continue to refer to shown in Fig. 4, the folding wheel chair of the utility model embodiment further includes being arranged in seat front bracket 1 On locking mechanism 8, the locking mechanism 8 include switch member 81 and locking executive item 82, wherein switch member 81 have upper lock-bit and Lock-bit is solved, when switch member 81 switches to lock-bit, locking executive item 82 locks pedal side stand 72, at this point, entire wheelchair Frame is locked, and can not be folded or is unfolded, and when switch member 81 switches to solution lock-bit, locks executive item 82 for pedal side stand 72 unlocks, at this point it is possible to be folded wheelchair by the singlehanded handle for lifting switch member 81.

Preferably, switch member 81 also has neutral gear position, neutral gear position is equipped with one section of neutral gear stroke, and switch member 81 can be in sky Along neutral gear stroke free movement on gear, when switch member 81 switches to neutral gear position, locking executive item 82 locks pedal side stand 72 Extremely, at this point, the frame of entire wheelchair is locked, it can not be folded or be unfolded；The purpose that neutral gear position is arranged is, when wheelchair folds Afterwards, wheelchair can be carried or dragged by handle, and since neutral gear position is equipped with one section of neutral gear stroke, in the process that handle is swung In, locking executive item 82 will not be triggered and unlock pedal side stand 72, improve the convenience that wheelchair is carried or dragged.

Preferably, the folding wheel chair of the utility model embodiment further includes preceding cushion 9 and recoil pad 10, preceding cushion 9 It is releasably mounted on the upper surface of seat front bracket 1, recoil pad 10 is removably mounted in the upper surface of seat after-poppet 2 On, preceding cushion 9 and the adjacent side of recoil pad 10 mutually recline；And switch member 81 is located exactly in preceding cushion 9 and recoil pad 10 In the gap of formation, Operation switch part 81 is convenient for manpower.

In addition, the folding wheel chair of the utility model embodiment also wraps anti-hypsokinesis bracket 30 and battery 20, wherein anti-hypsokinesis Bracket 30 is connected to the bottom of back bracket 3, and the end of anti-hypsokinesis bracket 30 is equipped with anti-hypsokinesis wheel 301, and battery 20 is then mounted on On anti-hypsokinesis bracket 30.

In conjunction with shown in Fig. 5 to Fig. 7, the folding process of the folding wheel chair of the utility model embodiment is as follows: operator General station holds the handle of switch member 81 in the side at the rear of wheelchair, the top of a hand steered firmly back bracket 3, another hand 811, switch member 81 is switched to solution lock-bit by rotating handles 811, make lock executive item 82 pedal side stand 72 is unlocked, then with Rear-wheel 51 is used as supporting point lift-pull handle 811, and the general frame of wheelchair will press the direction arrow K around the same of 51 axis oscillating of rear-wheel When, start gradually to fold；As shown in fig. 7, anti-hypsokinesis wheel 301 is with rear-wheel 51 substantially in same level after wheelchair folds in place In face, folded wheelchair can be kept upright posture in the case where anti-hypsokinesis wheel 301 is supported with rear-wheel 51 at this time, with Convenient wheelchair It puts and stores；In addition, switch member 81 can be switched to neutral gear position, at this point, handle can be passed through after wheelchair folds in place Hand 811 lifts or tows wheelchair, in order to the movement and carrying of wheelchair.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change It also should be regarded as the protection scope of the utility model into replacement.

Claims

1. a kind of folding wheel chair, which is characterized in that including seat front bracket, seat after-poppet, back bracket, front-wheel support and Rear wheel support；

Wherein, in the deployed state, the seat front bracket and seat after-poppet are horizontally disposed, and the front-wheel support is in substantially It is vertically arranged, the rear wheel support is obliquely installed from the front to the back；

The front end of the seat after-poppet is connect by first rotating shaft with the rear end thereof of the seat front bracket, after the seat The rear end of bracket is rotatablely connected by the middle part of the second shaft and the back bracket, and the upper end of the front-wheel support passes through third Shaft is rotatablely connected simultaneously with the front end of the seat front bracket and the front end of rear wheel support, and the rear end of the rear wheel support passes through The lower end of 4th shaft and the back bracket is rotatablely connected；

By applying active force, the seat front bracket and the junction of seat after-poppet is set to arch upward upwards, so that the seat Fore-stock, seat after-poppet, back bracket, front-wheel support and rear wheel support fold.

2. folding wheel chair according to claim 1, which is characterized in that it further include armrest support, the armrest support packet Handrail, first connecting rod and second connecting rod are included, the lower end of the first connecting rod is rotatably connected on seat after-poppet by turnover mechanism With the junction of back bracket, the upper end of the first connecting rod is connect with the rear end thereof of the handrail, the second connecting rod Lower end is rotatablely connected by the front end of the 5th shaft and the seat after-poppet, the upper end of the second connecting rod and the handrail Front end rotation connection；The connection of the handrail, first connecting rod, second connecting rod and seat after-poppet forms a quadrilateral structure.

3. folding wheel chair according to claim 2, which is characterized in that the turnover mechanism includes intermeshing first Gear and second gear, the first gear is socketed in second shaft, and is fixedly connected with the back bracket, described Second gear is rotatably connected on the seat after-poppet by the 6th shaft, and the lower end of the second connecting rod is connected to described In six shafts, and moved synchronously with the second gear.

4. folding wheel chair according to claim 1, which is characterized in that it further include pedal support, the pedal support packet Pedal lower bracket, pedal side stand and pedal upper bracket are included, the pedal side stand from top to bottom is obliquely installed, the pedal The upper end of side stand is rotatablely connected by the front end of the 7th shaft and the seat after-poppet, and the lower end of the pedal side stand is logical The lower end for crossing eight revolution axis and the front-wheel support is rotatablely connected, and the side of the upper end of the pedal lower bracket passes through the 9th shaft Be rotatablely connected with the lower end of the front-wheel support, the pedal upper bracket is "T"-shaped bracket, the "T"-shaped bracket it is opposite Both ends are rotatablely connected with the middle part of two rear wheel supports respectively, the lower end of the "T"-shaped bracket and the pedal lower bracket Upper end middle part rotation connection.

5. folding wheel chair according to claim 4, which is characterized in that further include being arranged on the seat front bracket Locking mechanism, the locking mechanism include switch member and locking executive item, and the switch member has upper lock-bit and Xie Suowei, described When switch member switches to lock-bit, the locking executive item locks the pedal side bracket, and the switch member switches to unlock When position, the locking executive item unlocks the pedal side stand.

6. folding wheel chair according to claim 5, which is characterized in that the switch member also has neutral gear position, the sky Gear is equipped with one section of neutral gear stroke, and the switch member can be on the neutral gear position along neutral gear stroke free movement, the switch When part switches to the neutral gear position, the locking executive item locks the pedal side bracket.

7. folding wheel chair according to claim 1, which is characterized in that cushion and recoil pad before further including are sat before described Pad is releasably mounted on the upper surface of the seat front bracket, and the recoil pad is removably mounted on to be propped up after the seat On the upper surface of frame, the preceding cushion and the adjacent side of the recoil pad mutually recline.