CN210673600U

CN210673600U - Cross type foldable electric wheelchair

Info

Publication number: CN210673600U
Application number: CN201921064776.4U
Authority: CN
Inventors: 颜正钦
Original assignee: Suzhou Kaidao Intelligent Equipment Co ltd
Current assignee: Suzhou Kaidao Intelligent Equipment Co ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-06-05
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a collapsible electronic wheelchair of crossing, include: the wheelchair comprises a cushion, a backrest, a main frame body, a supporting arm and a folding adjusting device, wherein the supporting arm is crossed with the main frame, and the folding adjusting device is used for folding, locking or unlocking the wheelchair. In this way, the utility model relates to a collapsible electronic wheelchair of crossing utilizes the body frame body and support arm to form the crossing support framework, has broken through the structure and the folding mode of traditional wheelchair, has improved stability, the security of wheelchair to utilize folding adjusting device etc. to accomplish the work of folding locking and unblock, convenience of customers's folding and use more.

Description

Cross type foldable electric wheelchair

Technical Field

The utility model relates to a wheelchair and accessory field especially relate to a collapsible electronic wheelchair of crossing.

Background

The wheelchair is a walking tool and a common medical rehabilitation instrument for physically disabled persons and persons with mobility disabilities, and is also a user for doing physical exercise and participating in social activities.

The wheelchair can be folded usually to storage and transportation, but some wheelchair beta structure on the existing market is too simple, and locking and unblock effect is relatively poor, and easy pine takes off, has the potential safety hazard, and some structure is too complicated, makes very inconvenient, so needs the folding wheelchair that meets the requirements more.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a folding electronic wheelchair, has advantages such as reliable performance height, convenient to use, folding effectual, has extensive market prospect in the application and the popularization of wheelchair and accessory simultaneously.

In order to solve the technical problem, the utility model discloses a technical scheme be:

there is provided a cross-foldable electric wheelchair comprising: a cushion, a backrest, a main frame body, a supporting arm crossed with the main frame and a folding adjusting device for folding, locking or unlocking the wheelchair,

the cushion includes first support body and second support body, first support body the second support body with the back passes through folding adjusting device interconnects, makes first support body with the back can wind the rotatory folding of second support body, the body frame body with be provided with rotary joint between the support arm, the top of support arm with second support body swing joint.

In a preferred embodiment of the present invention, the first frame body is provided with a handrail device.

In a preferred embodiment of the present invention, the armrest apparatus includes an armrest frame, a connecting rod, an armrest adjusting seat, and an adjuster, wherein one end of the connecting rod is connected to the armrest frame, and the other end of the connecting rod is movably disposed in the armrest adjusting seat, and the adjuster is disposed on the armrest adjusting seat for adjusting the height of the armrest frame.

In a preferred embodiment of the present invention, a controller for controlling the wheelchair is provided in the armrest frame, the top surface of the armrest frame is provided with a control button and a rocker, and the rocker and the control button are connected to the controller.

In a preferred embodiment of the present invention, the support arm and the main frame are provided with rollers.

In a preferred embodiment of the present invention, a movable pedal is disposed between the two support arms.

In a preferred embodiment of the present invention, the folding adjusting device comprises a first folding unit, a second folding unit and a third folding unit for locking or unlocking the folded state of the wheelchair, the end of the first frame body passes through the second folding unit is disposed at the outer side of the second frame body, the end of the second frame body passes through the third folding unit is disposed at the inner side of the first frame body, and the first folding unit is movably connected with the backrest, the second frame body and the supporting arm.

In a preferred embodiment of the present invention, the first folding unit includes a movable shaft, a chuck, an unlocking button, a pulling pin, a pulling rope, and a clamping seat, the movable shaft is respectively connected to the second frame body and the chuck, the backrest is driven by the chuck to rotate for locking the backrest, the pulling pin is movably connected to the chuck, the unlocking button is driven by the pulling pin to move back and forth for fixing the pulling rope, and the clamping seat is connected to the chuck.

In a preferred embodiment of the present invention, the second folding unit includes a locking shell, a second spring, a locking pin, a locking seat, and a guide frame, wherein the locking shell is disposed on the first frame body, the locking pin is disposed with the spring between the locking shell, the locking seat is provided with a locking groove that is locked with the locking pin, the guide frame is disposed on the locking seat and in the locking groove for guiding or guiding the locking pin, one end of the locking seat is connected to the pulling rope, and the other end is connected to the third folding unit through the spring.

In a preferred embodiment of the present invention, the third folding unit includes a third rotating shaft, a shaft seat movably connected to the third rotating shaft, and a fixing rod, the third rotating shaft is connected to the first frame, the shaft seat is connected to the second frame, and the fixing rod is connected to the locking seat through a spring.

The utility model has the advantages that: utilize the body frame body and support arm to form crossing support framework, broken through the structure and the folding mode of traditional wheelchair, improved stability, the security of wheelchair to utilize folding adjusting device etc. to accomplish the work of folding locking and unblock, convenience of customers' folding and use more.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

FIG. 1 is a schematic side view of a preferred embodiment of a cross-type foldable electric wheelchair in accordance with the present invention;

FIG. 2 shows a preferred embodiment of the cross-type foldable electric wheelchair of the present invention

Schematic side view structure of (1);

FIG. 3 shows a preferred embodiment of the cross-type foldable electric wheelchair of the present invention

The shaft side structure schematic diagram of the middle folding adjusting device;

FIG. 4 shows a preferred embodiment of the cross-type foldable electric wheelchair of the present invention

A schematic view of a folded state structure of (a);

FIG. 5 shows a preferred embodiment of the cross-type foldable electric wheelchair of the present invention

Schematic view of the top-view structure;

FIG. 6 shows a preferred embodiment of the cross-type foldable electric wheelchair of the present invention

The structure of the middle folding adjusting device is schematically shown.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention includes:

a cross-type collapsible electrically powered wheelchair comprising: the wheelchair comprises a seat cushion, a backrest 1, a main frame body 2, a supporting arm 3 arranged in a crossed manner with the main frame, and a folding adjusting device 4 for folding, locking or unlocking the wheelchair.

The cushion includes first support body 5 and second support body 6, first support body with the second support body is the U type structure.

The utility model discloses a folding adjusting device, including first support body, second support body and back, folding adjusting device interconnects, makes first support body with the back can wind the rotatory folding of second support body, the body frame body with be provided with revolute joint 7 between the support arm, the top of support arm with second support body swing joint, the support arm with be provided with gyro wheel 8 on the body frame, two be provided with movable footboard 9 between the support arm. Set up lamp area or banks in rotary joint and the folding adjusting device, not only can throw light on, convenience of customers's use can increase the visual effect of wheelchair moreover, more pleasing to the eye fashion.

The first frame body is provided with an armrest device. Handrail device includes handrail frame 10, connecting rod 11, handrail regulation seat 12, regulator 13, the one end of connecting rod with handrail frame is connected, the other end activity set up in the handrail regulation seat, be provided with on the handrail regulation seat and be used for adjusting handrail frame height the regulator when the height of handrail is adjusted to needs, presses the handle of regulator earlier, and bayonet lock and connecting rod separation, this is can pull out from top to bottom and insert handrail and connecting rod, adjusts the completion back, loosens and presses the handle, and the bayonet lock card is gone into the connecting hole that corresponds on the connecting rod and is fixed.

In order to improve the comfort of the user in using the armrest, the clamping groove in the armrest adjusting seat is inclined forwards, so that the horizontal position of the armrest is changed while the height of the connecting rod is adjusted, the armrest frame can always drag the whole forearm of the user, and the armrest frame is more in line with the human engineering.

The wheelchair comprises a handrail frame and is characterized in that a controller used for controlling the wheelchair is arranged in the handrail frame, a control panel, a control button and a rocker 14 are arranged on the top surface of the handrail frame, the rocker is connected with the control button, the control panel, the control button and the rocker can be arranged on one handrail frame at the same time, and can also be arranged on two handrail frames separately, so that different use requirements are met. The lower part of the rocker is directly arranged in the armrest frame, the control frame is not arranged on the armrest frame or is additionally arranged on the side edge, so that the control frame can be effectively prevented from being impacted and falling off in the process of storage or running, the probability of error control caused by the fact that the rocker falls off due to contact of wheels, pedestrians and the like is reduced, and the safety and the practicability of the wheelchair are greatly improved.

The first frame body, the second frame body, the main frame body and the supporting arms form a linkage mechanism (a four-bar linkage mechanism) of the whole wheelchair, when the wheelchair is folded, the first frame body and the second frame body are folded downwards, and the main frame body and the supporting arms are folded inwards.

Folding adjusting device 4 is including first folding unit 41, second folding unit 42 and the third folding unit 43 that is used for locking or unblock back, the tip of first support body passes through the second folding unit set up in the outside of second support body, the tip of second support body passes through the third folding unit set up in the inboard of first support body, the back passes through on the first folding unit with second support body swing joint.

The first folding unit 41 comprises a lower base, an upper base, a movable rotating shaft 412, a chuck 413, an unlocking button 414, a traction pin 415, a pulling rope 416 and a clamping seat 417.

Go up the base with base swing joint, upward be provided with the opening on the base, the chuck set up in the bottom of going up the base, the unblock button passes the opening and through the spring with the chuck is connected, the towing pin pass through the spring set up in the lower base, be provided with on the chuck and cooperate with the towing pin and carry out the locking hole (locking hole including folding locking hole and expansion locking hole) that fold and expand, when the towing pin card in locking hole, the back can not overturn, when pushing down the unblock button, the towing pin is released the locking hole, and at this moment the back just can overturn.

The clamping seat is arranged in the lower base, one end of the clamping seat is arranged on the bottom surface of the chuck, a clamping hole is formed in the clamping seat, a fixing block 418 is arranged on the pull rope, and the fixing block is matched with the clamping hole in the clamping seat to fix the pull rope.

The back with go up the base and be connected, the one end of activity pivot with the second support body is connected, the other end pass down the base with the chuck is connected, the activity pivot drives chuck, last base, back are rotatory to be folded or expand.

The second folding unit 42 includes locking shell 420, stop pin 421, locking seat 422, guide 423, the locking shell set up in on the first support body, the stop pin with be provided with the spring between the locking shell, be provided with on the locking seat with locking pin cooperation locking groove 424 for derive or leading-in stop pin the guide set up in on the locking seat with locking inslot, be provided with a direction inclined plane that contacts with the stop pin on the guide of locking inslot, the both ends of locking seat respectively are provided with a cell body, two cell bodies respectively with stay cord and spring are connected, be provided with a movable hole 425 on the second support body, the stop pin passes the movable hole with the locking seat is connected.

The third folding unit 43 comprises a third rotating shaft 430, a shaft seat 431 and a fixing rod 432, wherein the shaft seat 431 and the fixing rod are movably connected with the third rotating shaft, the third rotating shaft is connected with the first frame body, the shaft seat and the fixing rod are arranged on the second frame body, and a spring is connected between the fixing rod and the locking seat.

When the folding bicycle is unfolded, an unlocking button is pressed down, the traction pin is pressed down by the unlocking button, the traction pin is separated from the chuck, the backrest and the second frame body are unlocked at the moment, the backrest overturns upwards, the backrest drives the chuck and the cassette to rotate, the cassette pulls the pull rope, the locking seat receives the pulling force of the pull rope to move backwards, the stress clamped in the locking groove simultaneously slides upwards and forwards along the guide frame and is separated from the locking groove, the unlocking is completed by the first frame body and the second frame body at the moment, namely, the four-bar linkage mechanism is unlocked completely, the backrest continues to be pulled downwards, the first frame body and the second frame body overturn downwards around the third folding unit, the main frame body and the supporting arm are driven to fold inwards, when the four-bar linkage mechanism rotates to the folding locking position, the traction pin is aligned to and inserted into the locking hole (folding locking hole) of.

When folding the car, press the unblock button, the towing pin is pushed down to the unblock button, make the towing pin break away from the chuck, backward upset back downwards, the back drives chuck and cassette rotation, the towing pin aligns and inserts in the locking hole of expansion latched position, back and the locking of second support body, traction force on the stay cord at this moment reduces, make the spring of being connected with the third folding unit retract, the locking seat receives the traction force of spring and moves forward, the stop pin moves until the card advances to lock the groove along the guide bracket simultaneously, this is that first support body and second support body upwards overturn, body frame body and support arm simultaneously are outwards rotatory, accomplish the expansion locking until first support body and second support body, four bar mechanism all locks promptly, lock the whole car after expanding promptly.

The utility model relates to a but crossing folding electric wheelchair's beneficial effect is: utilize the body frame body and support arm to form crossing support framework, broken through the structure and the folding mode of traditional wheelchair, improved stability, the security of wheelchair to utilize folding adjusting device etc. to accomplish the work of folding locking and unblock, convenience of customers' folding and use more.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims

1. A cross-type foldable electric wheelchair, comprising: a cushion, a backrest, a main frame body, a supporting arm crossed with the main frame and a folding adjusting device for folding, locking or unlocking the wheelchair,

2. The crossed type foldable electric wheelchair as claimed in claim 1, wherein the first frame body is provided with an armrest device.

3. The crossed foldable electric wheelchair as claimed in claim 2, wherein the armrest device comprises an armrest frame, a connecting rod, an armrest adjusting seat and an adjuster, one end of the connecting rod is connected with the armrest frame, the other end of the connecting rod is movably arranged in the armrest adjusting seat, and the adjuster for adjusting the height of the armrest frame is arranged on the armrest adjusting seat.

4. The crossed type foldable electric wheelchair as claimed in claim 3, wherein a controller for controlling the wheelchair is arranged in the armrest frame, a control button and a rocker are arranged on the top surface of the armrest frame, and the rocker and the control button are connected with the controller.

5. The cross-type foldable electric wheelchair as claimed in claim 1, wherein the support arms and the main frame are provided with rollers.

6. A cross-foldable electric wheelchair in accordance with claim 1, wherein a movable pedal is provided between the two support arms.

7. The crossed foldable electric wheelchair as claimed in any one of claims 1 to 6, wherein the folding adjustment device comprises a first folding unit, a second folding unit and a third folding unit for unlocking or locking the backrest, the end of the first frame is disposed at the outer side of the second frame through the second folding unit, the end of the second frame is disposed at the inner side of the first frame through the third folding unit, and the backrest is movably connected with the second frame through the first folding unit.

8. The crossed foldable electric wheelchair as claimed in claim 7, wherein the first folding unit comprises a movable rotating shaft, a chuck, an unlocking button, a traction pin, a pull rope and a clamping seat, the movable rotating shaft is respectively connected with the second frame body and the chuck, the backrest drives the chuck to rotate, the traction pin for locking the backrest is movably connected with the chuck, the unlocking button drives the traction pin to move back and forth, and the clamping seat for fixing the pull rope is connected with the chuck.

9. The crossed foldable electric wheelchair as claimed in claim 8, wherein the second folding unit comprises a locking shell, a second spring, a locking pin, a locking seat and a guide frame, the locking shell is disposed on the first frame body, a spring is disposed between the locking pin and the locking shell, a locking groove matched and locked with the locking pin is disposed on the locking seat, the guide frame for guiding out or guiding in the locking pin is disposed on the locking seat and in the locking groove, one end of the locking seat is connected with the pull rope, and the other end of the locking seat is connected with the third folding unit through the spring.

10. The crossed foldable electric wheelchair as claimed in claim 9, wherein the third folding unit comprises a third rotating shaft, a shaft seat movably connected with the third rotating shaft, and a fixing rod, the third rotating shaft is connected with the first frame, the shaft seat is connected with the second frame, and a spring is connected between the fixing rod and the locking seat.