CN213723009U

CN213723009U - Wheelchair walking aid

Info

Publication number: CN213723009U
Application number: CN202022459740.5U
Authority: CN
Inventors: 傅道元; 钟赋春; 闫媚; 郭锐彬; 李建谕; 李钰; 张力卫; 谈宇明; 李如赞; 林日好; 郑凌东; 郭进治; 王锐明; 陈拓宇
Original assignee: China Assistive Devices And Technology Centre For Persons With Disabilities; Guangzhou Disabled Person Assistive Devices Services Center; Manuko Health Industry Guangzhou Co ltd
Current assignee: China Assistive Devices And Technology Centre For Persons With Disabilities; Guangzhou Disabled Person Assistive Devices Services Center; Manuko Health Industry Guangzhou Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-20
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a wheelchair walking aid, which comprises a bottom frame, a seat frame and a backrest frame, wherein the bottom frame is provided with a plurality of rollers; the seat frame is arranged with the underframe through a first bracket, the first bracket is rotatably arranged with the underframe, and the seat frame is rotatably arranged with the first bracket; the bottom of the backrest frame is rotatably arranged with the underframe, the rear end of the seat frame is rotatably arranged with the backrest frame, and the backrest frame is provided with two handrails; the base frame is provided with a first driver, the backrest frame is rotatably connected with the output end of the first driver, and the output end of the first driver is used for driving the backrest frame to rotate. The design collects wheelchair function and helps capable function in structure of an organic whole, and first driver drives the back frame and expandes and constitute the wheelchair mode, and first driver drives the back frame and folds and constitute and help capable mode, convenient to use practices thrift the cost. The utility model can be widely applied to the technical field of medical instruments.

Description

Wheelchair walking aid

Technical Field

The utility model relates to the technical field of medical equipment, in particular to wheelchair walking aid.

Background

Aiming at the requirements of rehabilitation patients, the functions of the existing wheelchair and the walking aid are single, two pieces of equipment are generally required to be prepared for the patients, the acquisition cost and the maintenance cost are increased, the occupied space is stored in a home, and the wheelchair is not easy to carry outside.

SUMMERY OF THE UTILITY MODEL

For solving at least one among the above-mentioned technical problem, practice thrift the cost, the utility model provides a wheelchair helps capable ware, the technical scheme who adopts as follows:

the utility model provides a wheelchair walking aid which comprises a bottom frame, a seat frame and a backrest frame, wherein the bottom frame is provided with a plurality of rollers; the seat frame is mounted with the underframe through a first bracket, the first bracket is rotatably mounted with the underframe, and the seat frame is rotatably mounted with the first bracket; the bottom of the backrest frame is rotatably installed with the underframe, the rear end of the seat frame is rotatably installed with the backrest frame, and the backrest frame is provided with two handrails; the base frame is provided with a first driver, the backrest frame is rotatably connected with the output end of the first driver, and the output end of the first driver is used for driving the backrest frame to rotate.

In some embodiments of the present invention, the wheelchair walker comprises a protection device, and the wheelchair walker passes through when in the wheelchair mode the protection device fixed position, the wheelchair walker passes through when in the walker mode the protection device fixed position.

The utility model discloses a certain embodiment, protection device is including setting up the picture peg of back frame bottom is in with the setting bolt on the chassis, the bolt is scalable, when the back frame rotates the picture peg rotates thereupon, the picture peg is provided with two and supplies bolt male jack, during the wheelchair mode the bolt is used for inserting one of them the jack helps during the walking mode the bolt is used for inserting another the jack.

The utility model discloses an in some embodiments, protection device is including setting up magnetism on the chassis is inhaled the lock, the bolt is installed magnetism is inhaled on the lock, opens when the lock is inhaled to magnetism the bolt stretches out, closes when the lock is inhaled to magnetism the bolt shrink.

In some embodiments of the present invention, the rear side of the chassis is provided with an anti-tipping device, the anti-tipping device comprises an auxiliary wheel mounted on the chassis, the auxiliary wheel being used to support the wheelchair walker when the wheelchair walker tips backwards.

In some embodiments of the present invention, the first driver drives the back frame to rotate so that the wheelchair walker is switched between a folded mode, a walker-assisting mode, and a wheelchair mode.

In some embodiments of the present invention, the backrest frame includes two first posts, two the first posts are rotatably installed on the bottom frame, and the armrest is telescopically installed on the first posts.

In some embodiments of the utility model, the chassis is provided with the brake ware, the handrail is provided with and is used for controlling the brake handle of brake ware.

The utility model discloses a certain embodiment, the rear side of chassis or the back frame is provided with first sensor, first sensor is used for monitoring whether the patient is close to the wheelchair and helps capable ware under helping capable mode, and the wheelchair helps capable ware to be provided with control panel, control panel is used for receiving the signal of first sensor, control panel is used for controlling the brake ware.

In some embodiments of the present invention, the backrest frame is provided with a safety belt.

The embodiment of the utility model has the following beneficial effect at least: the design collects wheelchair function and helps capable function in structure of an organic whole, and first driver drives the back frame and expandes and constitute the wheelchair mode, and first driver drives the back frame and folds and constitute and help capable mode, convenient to use practices thrift the cost. The utility model can be widely applied to the technical field of medical instruments.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a block diagram of a wheelchair walker shown in a wheelchair mode;

FIG. 2 is a block diagram of the wheelchair walker shown in a wheelchair mode;

FIG. 3 is a block diagram of the wheelchair walker shown in a walking assist mode;

FIG. 4 is a block diagram of the wheelchair walker shown in a collapsed mode;

FIG. 5 is a block diagram of the chassis;

FIG. 6 is a block diagram of the seat frame and the first bracket;

FIG. 7 is a view showing the construction of the back frame;

FIG. 8 is a block diagram of the wheelchair walker shown in the wheelchair mode.

Detailed Description

Embodiments of the invention, examples of which are illustrated in the accompanying drawings, are described in detail below with reference to fig. 1 to 8, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if the terms "center", "middle", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are used to indicate an orientation or positional relationship based on that shown in the drawings, it is only for convenience of description and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. The features defined as "first" and "second" are used to distinguish feature names rather than having a special meaning, and further, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model relates to a wheelchair walking aid, which can be used as a wheelchair for patients to sit and also can be used as a walking aid for patients to hold. The wheelchair walker comprises an underframe 100, a seat frame 200 and a back frame 300, wherein the back frame 300 is provided with two armrests 301, a patient can hold the armrests 301 to walk in the walking mode, and a caregiver can push the wheelchair walker through the armrests 301 in the wheelchair mode.

Mount 200 is mounted to chassis 100 by a first bracket 201, first bracket 201 is rotatably mounted to chassis 100, mount 200 is rotatably mounted to first bracket 201, and specifically, first bracket 201 is mounted to the front of mount 200. The bottom of the back frame 300 is rotatably installed with the base frame 100, and the rear end of the seat frame 200 is rotatably installed with the back frame 300. The seat frame 200, the first bracket 201, the back frame 300 and the base frame 100 constitute a frame, and the frame is deformed by rotating the back frame 300.

The base frame 100 adopts an integrated welding structure, the structure is firm and stable, the base frame 100 is provided with a first driver 102, the back frame 300 is rotatably connected with the output end of the first driver 102, and the output end of the first driver 102 is used for driving the back frame 300 to rotate, so that the wheelchair walking aid deforms. Specifically, the first driver 102 is a motor, an output end of the first driver 102 is a push rod, the first driver 102 is rotatably mounted on the bottom frame 100, the back frame 300 is mounted with a push rod connector 307, and the push rod connector 307 is rotatably connected with the output end of the first driver 102.

The base frame 100 is provided with a plurality of rollers 101, and specifically, the number of the rollers 101 is set to four, two rollers 101 provided at the front side of the base frame 100 are universal wheels, and two rollers 101 provided at the rear side of the base frame 100 are driving wheels.

In some embodiments of the present invention, the first driver 102 drives the backrest frame 300 to rotate so as to switch the wheelchair walker between the folding mode, the walking mode and the wheelchair mode, and the wheelchair walker is convenient to store in the folding mode. Specifically, in the wheelchair mode, an obtuse angle is formed between the seat frame 200 and the backrest frame 300, and the patient sits down and leans backward by leaning against the backrest frame 300 on the upper half of the body, so that the comfort level is increased. Under the walking aid mode, an acute angle is formed between the seat frame 200 and the backrest frame 300, so that the gravity center of the wheelchair walking aid is lowered, and the stability under the walking aid mode is improved. In the folding mode, a smaller acute angle is formed between the seat frame 200 and the backrest frame 300, so that the occupied space is reduced, and the carrying is convenient. In some examples, wheelchair walkers may also be designed to have two states, a walking mode and a wheelchair mode.

In some embodiments of the present invention, the backrest frame 300 is provided with a safety belt, and after the patient sits down, the patient can fasten the safety belt to avoid the patient leaning forward or falling down. In some examples, the backrest frame 300 is provided with a back pad 309 for the patient to sit down against, and further, the back pad 309 is provided as a soft pad to improve comfort after the patient sits down.

In some embodiments of the present invention, the wheelchair walker includes a protection device, and the wheelchair walker passes through the protection device fixed position when in the wheelchair mode, and the wheelchair walker passes through the protection device fixed position when in the walker mode. After the first driver 102 pushes the backrest frame 300 to rotate to a desired position, the push rod of the first driver 102 stops, so that the state of the backrest frame 300 can be maintained, and the protection device also fixes the position of the backrest frame 300 to play a role of double locking. In addition, if the first driver 102 fails and the push rod cannot support the back frame 300, the position of the back frame 300 can be fixed by the protection device to maintain the walking aid mode or the wheelchair mode. Further, the protection device comprises an inserting plate 302 arranged at the bottom of the backrest frame 300 and a plug pin 103 arranged on the bottom frame 100, the plug pin 103 can extend and retract, the inserting plate 302 rotates along with the backrest frame 300 when the backrest frame 300 rotates, the inserting plate 302 is provided with two inserting holes 303 for inserting the plug pin 103, and the two inserting holes 303 are arranged on an arc line of a rotating track of the inserting plate 302. The latch 103 is adapted to be inserted into one of the receptacles 303 in the wheelchair mode and the latch 103 is adapted to be inserted into the other receptacle 303 in the rollator mode.

In some embodiments of the present invention, the protection device includes a magnetic attraction lock 104 disposed on the bottom frame 100, the latch 103 is mounted on the magnetic attraction lock 104, and the magnetic attraction lock 104 controls the extension of the latch 103 through the electromagnetic force. Specifically, the latch 103 extends when the magnetic lock 104 is opened, and the latch 103 retracts when the magnetic lock 104 is closed.

In some embodiments of the present invention, the backrest frame 300 comprises two first pillars 304, the two first pillars 304 are rotatably installed on the bottom frame 100, the armrest 301 is telescopically installed on the first pillars 304, the height of the armrest 301 is conveniently adjusted, and further, the armrest 301 has a multi-step height adjusting function. In some examples, the pushrod coupling element 307 is disposed on one of the first uprights 304 and the fork strap 302 is disposed on the other first upright 304. Specifically, the push rod connector 307 is disposed on the first upright 304 at a position lower than the hinge position of the first upright 304 with the base frame 100, so that the first driver 102 pushes backward to rotate and fold the back frame 300; alternatively, the push rod link 307 is provided on the first upright 304 at a position higher than the hinge position of the first upright 304 with the base frame 100, and then the first driver 102 is pulled forward to rotate and fold the back frame 300.

In some embodiments of the present invention, the backrest frame 300 is provided with two hand supports 202, the two hand supports 202 are located above the seat frame 200, and the left and right hands of the patient are respectively placed on the two hand supports 202 when the patient sits down. Further, the hand rest 202 is rotatably disposed on the backrest frame 300, and in some examples, the rear end of the hand rest 202 is rotatably disposed on the first upright 304. Specifically, the hand rest 202 is mounted to the seat frame 200 through a third connector 203, one end of the third connector 203 is rotatably mounted to the hand rest 202, the other end of the third connector 203 is rotatably mounted to the seat frame 200, and when the back rest 300 rotates relative to the base frame 100, the hand rest 202 rotates relative to the back rest 300 under the driving of the third connector 203.

In some embodiments of the present invention, an operator is disposed on one of the hand-holding frames 202, and when the patient sits, the operator controls the wheelchair to walk.

In some embodiments of the present invention, the bottom frame 100 is provided with a brake 106, and the brake 106 is used to stop the rolling of the roller 101 at the rear side of the bottom frame 100. In some examples, the armrest 301 is provided with a brake handle 305 for manipulating the brake 106, and the brake handle 305 pulls the brake 106 via a brake cable.

In some embodiments of the present invention, the back side or the backrest frame 300 of the chassis 100 is provided with the first sensor 306, the first sensor 306 is used to monitor whether the patient is close to the wheelchair walker under the walking mode, and the patient is within the monitoring range of the first sensor 306, which indicates that the patient is close to the wheelchair walker. Further, the wheelchair walker is provided with a control panel 107, the control panel 107 is used for receiving the signal of the first sensor 306, and the control panel 107 is used for controlling the brake 106. The first sensor 306 has the function of real-time monitoring, when the distance of the patient exceeds the range of the wheelchair walker, the patient is not used, and the patient exceeds the monitoring range of the first sensor 306, the first sensor 306 generates a signal and transmits the signal to the control panel 107, and the control panel 107 controls the brake 106 to lock the two driving wheels of the chassis 100, and the wheelchair walker is in a static state. When the patient is within the monitoring range of the first sensor 306, the wheelchair walker is in a controllable state and the brake 106 unlocks the two drive wheels.

In some embodiments of the present invention, a first connecting beam 308 is disposed between two first pillars 304, and the first sensor 306 is disposed at the rear side of the first connecting beam 308.

In some embodiments of the present invention, the rear side of the bottom frame 100 is provided with an anti-toppling device, which includes the auxiliary wheel 105 installed on the bottom frame 100, specifically, the number of the auxiliary wheel 105 is set to two. The auxiliary wheels 105 are used for supporting the wheelchair walker when the wheelchair walker is tipped backwards, and specifically, the wheelchair walker is supported by the rollers 101 on the chassis 100 during normal use, and when the wheelchair walker is tipped backwards, the rollers 101 and the auxiliary wheels 105 on the rear side of the chassis 100 support the wheelchair walker, and when the auxiliary wheels 105 support the wheelchair walker, the wheelchair walker is prevented from further tipping backwards.

The utility model discloses a some embodiments, control panel 107 is used for detecting the state of magnetism suction lock 104, and before first driver 102 worked, control panel 107 inspects magnetism suction lock 104 and whether opens, if magnetism suction lock 104 is the open mode, control panel 107 control magnetism suction lock 104 closes to with bolt 103 shrink, avoid influencing back frame 300 and rotate foldingly.

The utility model discloses an in some embodiments, chassis 100 is provided with the foot and holds in the palm the subassembly, and the foot holds in the palm the subassembly and includes two pedal 108, and pedal 108 sets up on chassis 100 through second connecting piece 109, and specifically, the rear end of second connecting piece 109 sets up on chassis 100, and pedal 108 rotationally sets up the front end at second connecting piece 109, upwards rotates pedal 108 and packs up, makes things convenient for the patient to stand or sit down. For example, when the patient stands up, the foot rest 108 is retracted and the patient's foot does not need to reach the ground; when the patient sits down, the footrests 108 are stowed away and the patient can sit down standing closer to the mounting 200. In some examples, a leg strap 110 is disposed between the two second connecting members 109, and when the patient sits down, the leg strap 110 is used for supporting the back side of the lower leg of the patient, so as to improve the sitting comfort of the patient and prevent the foot of the patient from slipping from the foothold 108. Specifically, the front portion of the second connecting member 109 is bent downward, and the leg rest strap 110 is provided at the bent section of the front portion of the second connecting member 109. Further, the leg-rest strap 110 is detachably provided on the second connecting member 109 by means of a hook and loop fastener.

In the description herein, references to the terms "one embodiment," "some examples," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like, if any, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A wheelchair walking aid is characterized in that: comprises that

A chassis (100), the chassis (100) being provided with a plurality of rollers (101);

a mount (200), said mount (200) being mounted to said chassis (100) by a first bracket (201), said first bracket (201) being rotatably mounted to said chassis (100), said mount (200) being rotatably mounted to said first bracket (201);

the backrest frame (300), the bottom of the backrest frame (300) is rotatably installed with the underframe (100), the rear end of the seat frame (200) is rotatably installed with the backrest frame (300), and the backrest frame (300) is provided with two handrails (301);

the base frame (100) is provided with a first driver (102), the backrest frame (300) is rotatably connected with the output end of the first driver (102), and the output end of the first driver (102) is used for driving the backrest frame (300) to rotate.

2. The wheelchair walker of claim 1 wherein: the wheelchair walker comprises a protection device, the wheelchair walker passes through the protection device fixing position when in a wheelchair mode, and the wheelchair walker passes through the protection device fixing position when in a walker mode.

3. The wheelchair walker of claim 2 wherein: protection device is including setting up picture peg (302) and the setting of back frame (300) bottom are in bolt (103) on chassis (100), bolt (103) are scalable, back frame (300) rotate time picture peg (302) are rotated thereupon, picture peg (302) are provided with two and can supply bolt (103) male jack (303), during the wheelchair mode bolt (103) are used for inserting one of them jack (303), when helping the capable mode bolt (103) are used for inserting another jack (303).

4. The wheelchair walker of claim 3 wherein: protection device is including setting up magnetism on chassis (100) is inhaled lock (104), bolt (103) are installed inhale on lock (104), open when magnetism is inhaled lock (104) bolt (103) are stretched out, close when magnetism is inhaled lock (104) bolt (103) shrink.

5. The wheelchair walker of claim 1 wherein: an anti-tipping device is arranged on the rear side of the base frame (100), the anti-tipping device comprises auxiliary wheels (105) arranged on the base frame (100), and the auxiliary wheels (105) are used for supporting the wheelchair walking aid when the wheelchair walking aid is tipped backwards.

6. The wheelchair walker of claim 1 wherein: the first actuator (102) rotates the back frame (300) to switch the wheelchair walker between a folded mode, a walker mode, and a wheelchair mode.

7. The wheelchair walker of claim 1 wherein: the backrest frame (300) comprises two first upright posts (304), the two first upright posts (304) are rotatably mounted on the base frame (100), and the armrest (301) is telescopically mounted on the first upright posts (304).

8. A wheelchair walker according to any one of claims 1 to 7 wherein: the chassis (100) is provided with a brake (106), and the armrest (301) is provided with a brake handle (305) for operating the brake (106).

9. The wheelchair walker of claim 8 wherein: the rear side of the underframe (100) or the backrest frame (300) is provided with a first sensor (306), the first sensor (306) is used for monitoring whether a patient is close to a wheelchair walker in a walking aid mode, the wheelchair walker is provided with a control panel (107), the control panel (107) is used for receiving signals of the first sensor (306), and the control panel (107) is used for controlling the brake (106).

10. The wheelchair walker of claim 1 wherein: the backrest frame (300) is provided with a safety belt.