CN116250992A

CN116250992A - Multifunctional wheelchair

Info

Publication number: CN116250992A
Application number: CN202211724680.2A
Authority: CN
Inventors: 杨柳青; 张磊; 孙涛; 龚明福; 张偲; 文利
Original assignee: Second Affiliated Hospital Army Medical University
Current assignee: Second Affiliated Hospital Army Medical University
Priority date: 2022-12-22
Filing date: 2022-12-30
Publication date: 2023-06-13

Abstract

The invention relates to the technical field of medical equipment, in particular to a multifunctional wheelchair, which comprises a walking unit, a wheelchair body arranged on the walking unit and an auxiliary support piece arranged on the wheelchair body, wherein the walking unit comprises a walking wheel set arranged at the bottom of the wheelchair body, the wheelchair body comprises a wheelchair frame, a cushion fixedly connected with the wheelchair frame, a backrest movably connected with the cushion and handrails fixedly connected with the wheelchair frame, the auxiliary support piece comprises first electric push rods symmetrically arranged on two sides of the cushion, the first electric push rods are vertically arranged, the upper ends of the first electric push rods are fixedly connected with brackets for supporting armpits of users, and an electric control device for controlling the first electric push rods is arranged on the wheelchair body. In the process of assisting in sitting down or rising up by using the electric push rod, most of the body weight of a user is supported by the first electric push rod, so that the leg strength of the user is reduced, and the user can sit down or rise up stably when using the wheelchair.

Description

Multifunctional wheelchair

Technical Field

The invention relates to the technical field of medical appliances, in particular to a multifunctional wheelchair.

Background

When a human body sits down or rises, the muscles related to the legs are required to exert extra force than when standing or walking, and for the old, the gravity center of the old cannot be well kept stable when sitting down or rising up due to the degeneration of body functions and weakness of the leg muscles, so that difficulty in rising up or backward turning when sitting down is easy to cause. Similarly, patients with diseases or injuries on legs have difficulty sitting down or getting up when using a wheelchair in the treatment and rehabilitation process, and the wheelchair is inconvenient to use for transferring and checking the patients, and the patients can breathe fresh air outdoors.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to solve the technical problems that: provided is a multifunctional wheelchair capable of assisting a patient in sitting down and getting up, and preventing the patient from falling down due to unbalanced body caused by weak legs when sitting down or getting up while using the wheelchair.

In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a multifunctional wheelchair, including walking unit, set up in wheelchair body on the walking unit with set up in auxiliary support spare on the wheelchair body, the walking unit including set up in the walking wheelset of wheelchair body bottom, the wheelchair body include the wheelchair frame, with wheelchair frame fixed connection's cushion, with the cushion rotate the back of being connected and with wheelchair frame fixed connection's handrail, auxiliary support spare including the symmetry set up in first electric putter in cushion both sides, first electric putter vertical setting, the upper end fixed connection of first electric putter is used for carrying out the bracket of bearing to the user's armpit, set up on the wheelchair body and be used for controlling first electric putter flexible electric control device.

Through the arrangement, when a user gets up, the electric control device is controlled to enable the first electric push rod to extend upwards slowly to support the armpits at the two sides of the user so as to assist the user in getting up, so that the leg exertion degree of the user is reduced, when the user sits down, the first electric push rod can be firstly located at the armpit position of the user in an extending state to support the user, the first electric push rod is controlled to descend slowly so as to assist the user to sit down slowly, and in the process of assisting sitting down or getting up by using the electric push rod, most of the body weight of the user is supported by the first electric push rod, the leg exertion of the user is reduced, and the user is kept to sit down or get up stably.

Further, the wheelchair frame is frame construction, fixed connection fixed block on the first electric putter, the fixed block through the pivot that the level set up with the wheelchair frame rotates to be connected, fixedly connected with on the wheelchair frame with first arc that first electric putter corresponds, first arc is vertical to be set up, first arc be close to first electric putter's face indent be equipped with the coaxial arc recess of pivot, fixed connection on the first electric putter with arc recess sliding fit's slide bar, all set up reset spring in the arc recess of slide bar both sides makes first electric putter is in vertical state, hold is seted up to the both sides of cushion first electric putter current and wobbling fluting.

Further, the bottom front end both sides fixed connection pedal of wheelchair frame, walking wheelset including set up in the front wheelset of wheelchair frame bottom front end both sides with set up in the rear wheel of wheelchair frame bottom rear end both sides, the rear wheel with the wheelchair frame rotates to be connected, the front wheelset includes preceding gyro wheel, connecting rod and second electricity push rod, rotate on the preceding gyro wheel and connect the gyro wheel seat, the upper end of connecting rod with the bottom of wheelchair frame rotates to be connected, the lower extreme of connecting rod to the rear end direction downward sloping of wheelchair frame, the lower extreme of connecting rod with the gyro wheel seat rotates to be connected so that the gyro wheel seat together with preceding gyro wheel can be around the axis of connecting rod is rotatory, the upper end of second electricity push rod with the bottom of wheelchair frame rotates to be connected, the lower extreme of second electricity push rod with the connecting rod articulates, and the second electricity push rod is connected with electrically controlled device.

Further, be provided with the wheelchair handle on the back, the both sides symmetry of back be provided with the second arc, the second arc with wheelchair frame fixed connection, the vertical setting of second arc has set gradually a plurality of jacks on the second arc, a plurality of the jack equipartition with the back with the axis of rotation that the cushion rotates to be connected is the circumference at the centre of a circle, sliding connection has on the back with jack complex inserted bar reaches the purpose of adjusting the contained angle between back and the cushion through the jack cooperation with inserted bar and difference.

Further, both side ends of back all are provided with first telescopic link, the lower extreme of first telescopic link with the back rotates to be connected, and the upper end of first telescopic link is provided with flexible sun-shading cloth, the one end of flexible sun-shading cloth with first telescopic link is connected, the other end of flexible sun-shading cloth with the top of back is connected.

Further, the both sides fixed connection curb plate of wheelchair frame, be provided with waterproof storage bag on the curb plate.

Further, the frame of the wheelchair frame is formed by welding hollow pipes, and a second telescopic rod for hanging the hanging bottle is arranged in the hollow pipe which is arranged vertically.

Further, a hook for hanging the drainage bag is arranged on the handrail.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is a schematic diagram of the front view direction of the present invention.

Fig. 2 is a schematic diagram of the top view structure of the present invention.

Fig. 3 is a forward leaning schematic view of the wheelchair.

Fig. 4 is a schematic diagram showing a combination of the first electric push rod and the wheelchair frame in a top view direction.

Fig. 5 is another schematic combination diagram of the first electric push rod and the wheelchair frame in the top view direction.

Fig. 6 is a schematic view of the flexible sun cloth after being unfolded.

FIG. 7 is a schematic view of the cooperation of the slide bar and the first arcuate plate.

Fig. 8 is a schematic diagram illustrating the cooperation of the back plate and the second arc plate.

Fig. 9 is a schematic view of the structure of the front roller.

The meaning of the reference numerals in the drawings are:

a wheelchair frame-10; a cushion-101; slotting-1011; a backrest-102; insert rod-1021; an armrest-103; side plates-104; pedal-105; a first electric push rod-20; a bracket-201; a fixed block-202; a rotating shaft-203; slide bar-204; a first arcuate plate-30; arcuate groove-301; a return spring-302; rear wheel-40; front roller-501; roller mount-502; connecting rod-503; a second electrical putter-504; wheelchair handles-60; a second arcuate plate-70; jack-701; a first telescopic rod-801; a flexible sun-shading cloth-802; a waterproof storage bag 803; a hook-804; second telescoping wand-805; and an electric control device-90.

Detailed Description

For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The embodiment discloses a multifunctional wheelchair, includes walking unit, set up in wheelchair body on the walking unit and set up in be used for carrying out the auxiliary stay piece that supports to the user when the user sits down or rises on the wheelchair body.

The wheelchair body comprises a wheelchair frame 10 with a frame structure, a seat cushion 101 fixedly connected with the wheelchair frame 10, a backrest 102 arranged at the rear end of the seat cushion 101 and rotationally connected with the seat cushion 101, and armrests 103 symmetrically arranged at two sides of the seat cushion 101 and fixedly connected with the wheelchair frame 10, wherein pedals 105 are fixedly connected at two sides of the front end of the bottom of the wheelchair frame 10.

The walking unit comprises a walking wheel set arranged at the bottom of the wheelchair body, the walking wheel set comprises a front wheel set arranged at two sides of the front end of the bottom of the wheelchair frame 10 and a rear wheel 40 arranged at two sides of the rear end of the bottom of the wheelchair frame 10, and the rear wheel 40 is rotationally connected with the wheelchair frame 10. Referring to fig. 1 and 9, the front wheel set includes a front roller 501, a connecting rod 503 and a second electric push rod 504, the front roller 501 is rotatably connected with the roller seat 502, the upper end of the connecting rod 503 is rotatably connected with the bottom of the wheelchair frame 10, the lower end of the connecting rod 503 is inclined downward toward the rear end of the wheelchair frame 10, the lower end of the connecting rod 503 is rotatably connected with the roller seat 502, so that the roller seat 502 together with the front roller 501 can rotate around the axis of the connecting rod 503, the upper end of the second electric push rod 504 is rotatably connected with the bottom of the wheelchair frame 10, the lower end of the second electric push rod 504 is hinged with the connecting rod 503, and the rotation axis 203 line of the connection of the connecting rod 503 and the rotation of the wheelchair frame 10 is parallel to the rotation axis 203 line of the rear wheel 40.

As shown in fig. 1-3, the auxiliary supporting member includes first electric push rods 20 symmetrically disposed on two sides of the seat cushion 101, the first electric push rods 20 are vertically disposed, a bracket 201 for supporting the armpit of the user is fixedly connected to the upper end of the first electric push rod 20, and, as shown in fig. 4, 5 and 7, a fixing block 202 is fixedly connected to the first electric push rod 20, the fixing block 202 is rotatably connected to the wheelchair frame 10 through a horizontally disposed rotating shaft 203, a first arc plate 30 corresponding to the first electric push rod 20 is fixedly connected to the wheelchair frame 10, in this embodiment, the first arc plate 30 is disposed on the wheelchair frame above the fixing block 202, and the first arc plate 30 is vertically disposed, the first arc 30 is near the arc recess 301 that is coaxial with the pivot 203 is concave on the face of first electric putter 20, fixedly connected with on the first electric putter 20 with arc recess 301 sliding fit's slide bar 204, all set up reset spring 302 in the arc recess 301 of slide bar 204 both sides, reset spring 302's one end with first electric putter 20 fixed connection, reset spring 302's the other end with the bottom fixed connection of arc recess 301, under the elasticity of reset spring 302 of slide bar 204 both sides, first electric putter 20 is in vertical state, and reset spring 302's elasticity only sets up to make first electric putter 20 reset in vertical state after the user breaks away from bracket 201 set up in the both sides of cushion 101 hold first electric putter 20 current and wobbling flutter 1011.

The wheelchair body is provided with the electric control device 90 for controlling the first electric push rod 20 to stretch out and draw back, the electric control device 90 can be arranged at a place convenient to operate on the wheelchair, in this embodiment, the electric control device 90 is arranged on the armrest 103, a user can control the elongation of the first electric push rod 20 according to the needs of the user, the second electric push rod 504 is electrically connected with the electric control device 90, the electric control device 90 can be controlled to stretch out and draw back the second electric push rod 504, a rechargeable battery is arranged on the wheelchair frame 10, and the first electric push rod 20 and the second electric push rod 504 are electrically connected with the battery.

Further, as shown in fig. 1 and 8, in order to facilitate pushing the wheelchair body and adjusting the angle of the backrest 102, a wheelchair handle 60 is provided on the backrest 102, two sides of the backrest 102 are symmetrically provided with second arc plates 70, the second arc plates 70 are fixedly connected with the wheelchair frame 10, the second arc plates 70 are vertically arranged, a plurality of jacks 701 are sequentially provided on the second arc plates 70, a plurality of jacks 701 are uniformly distributed on a circumference taking the backrest 102 and a rotation axis 203 line of the seat cushion 101 which is rotationally connected as a circle center, the backrest 102 is slidably connected with a plunger 1021 matched with the jacks 701, and the purpose of adjusting the included angle between the backrest 102 and the seat cushion 101 is achieved by matching the plunger 1021 with different jacks 701.

Further, as shown in fig. 1 and 6, for the convenience of user's rain or sun protection, the two side ends of the backrest 102 are respectively provided with a first telescopic rod 801, the lower end of the first telescopic rod 801 is rotatably connected with the backrest 102, the upper end of the first telescopic rod 801 is provided with a flexible sun protection cloth 802, one end of the flexible sun protection cloth 802 is connected with the first telescopic rod 801, the other end of the flexible sun protection cloth 802 is connected with the top end of the backrest 102, as shown in fig. 6, the first telescopic rod 801 is pulled to enable the first telescopic rod 801 to rotate and extend to extend the flexible sun protection cloth 802, so that the user on the seat cushion 101 can be protected from rain or sun protection.

Further, the two sides of the wheelchair frame 10 are fixedly connected with the side plates 104, and the side plates 104 are provided with waterproof storage bags 803 which are convenient for loading information or articles, so that the information or articles are prevented from being wetted when the wheelchair is used in rainy days.

Further, the frame of the wheelchair frame 10 is formed by welding hollow pipes, in order to facilitate transfusion to a patient using the wheelchair, a second telescopic rod 805 for hanging a hanging bottle is arranged in a hollow pipe arranged vertically, a drainage bag is hung for facilitating the patient on the wheelchair, and a hook 804 for hanging the drainage bag is arranged on the handrail 103.

The working principle of the invention is as follows:

through the above arrangement, when the user gets up, the electric control device 90 is controlled to enable the second electric push rod 504 to shrink, so that the height of the front end of the wheelchair frame 10 is reduced, the pedals 105 are contacted with the ground, the overall stability of the wheelchair is improved, and the electric control device 90 is controlled to enable the first electric push rod 20 to slowly extend upwards to support the armpits at the two sides of the user to assist the user to get up, so that the strength of legs of the user is reduced.

When a user sits down, the second electric push rod 504 can be contracted to enable the wheelchair to incline forwards to enable the pedals 105 to contact the ground, the first electric push rod 20 is positioned at the armpit position of the user to support the user in a proper extension state, the first electric push rod 20 is controlled to slowly descend to assist the user to sit down slowly, and in the process of assisting sitting down or rising up by using the electric push rod, most of the body weight of the user is supported by the first electric push rod 20, so that the leg effort of the user is reduced, and the user is kept to sit down or rise up stably.

By adopting the technical scheme, the invention has at least the following beneficial effects:

1. by adopting the multifunctional wheelchair, when the first electric push rod is controlled to extend to support a user, the feet of the user are not separated from the ground, the user can keep body balance by combining the force of the two legs with the supporting force of the first electric push rod, and the first electric push rod can always keep powerful support on the body of the user in the rising process.

2. When the wheelchair rises or sits down, the wheelchair leans forward by a certain angle, so that the user can land on the feet without sliding downwards, meanwhile, the pedals are lowered to form supporting points with the ground, the overall stability of the wheelchair is further improved, and the user can conveniently stride across the pedals.

3. The first electric push rod can rotate within a certain angle range, and the bracket can move along with the armpit position of a patient when the user gets up or sits down, so that the electric push rod is suitable for the armpit running track of the user with different heights, always keeps the support for the user, and is beneficial to reducing the leg exertion of the patient in the process of getting up.

4. The backrest angle of the invention is adjustable, thereby being convenient for different users to meet different requirements on the backrest angle; the backrest is provided with a flexible sunshade cloth which contracts after being unfolded, and can be used for shading rain or sun; the second telescopic rod is arranged on the wheelchair frame, so that the patient on the wheelchair can conveniently infuse, the waterproof storage bag is arranged, the storage of articles or data is convenient, and the hanging of the drainage bag is convenient when the patient needs to drain the wheelchair.

The foregoing is merely exemplary of the present invention, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. The utility model provides a multifunctional wheelchair, includes walking unit and set up in wheelchair body on the walking unit, its characterized in that: the wheelchair also comprises an auxiliary support piece which is arranged on the wheelchair body and used for supporting a user when the user sits down or lifts up;

the wheelchair comprises a wheelchair body, a walking unit and a wheelchair, wherein the walking unit comprises a walking wheel set arranged at the bottom of the wheelchair body, and the wheelchair body comprises a wheelchair frame, a cushion fixedly connected with the wheelchair frame, a backrest rotatably connected with the cushion and handrails fixedly connected with the wheelchair frame;

the auxiliary support piece comprises first electric push rods which are symmetrically arranged on two sides of the seat cushion, the first electric push rods are vertically arranged, the upper ends of the first electric push rods are fixedly connected with brackets for supporting armpits of users, and the wheelchair body is provided with an electric control device for controlling the first electric push rods to stretch out and draw back.

2. The multi-function wheelchair of claim 1, wherein: the wheelchair frame is frame construction, fixed connection fixed block on the first electric putter, the fixed block through the pivot that the level set up with the wheelchair frame rotates to be connected, fixedly connected with on the wheelchair frame with the first arc that first electric putter corresponds, first arc is vertical to be set up, first arc be close to first electric putter's face indent be equipped with the coaxial arc recess of pivot, fixed connection on the first electric putter with arc recess sliding fit's slide bar, all set up reset spring in the arc recess of slide bar both sides makes first electric putter is in vertical state, hold in the both sides of cushion first electric putter current and wobbling fluting have been seted up.

3. The multi-function wheelchair of claim 2, wherein: the two sides of the front end of the bottom of the wheelchair frame are fixedly connected with pedals, and the walking wheel sets comprise front wheel sets arranged on the two sides of the front end of the bottom of the wheelchair frame and rear wheels arranged on the two sides of the rear end of the bottom of the wheelchair frame;

the rear wheel with the wheelchair frame rotates to be connected, preceding wheelset includes preceding gyro wheel, connecting rod and second electricity push rod, rotate on the preceding gyro wheel and connect the gyro wheel seat, the upper end of connecting rod with the bottom of wheelchair frame rotates to be connected, the lower extreme of connecting rod to the rear end direction downward sloping of wheelchair frame, the lower extreme of connecting rod with the gyro wheel seat rotates to be connected so that the gyro wheel seat with preceding gyro wheel can be synchronous around the axis rotation of connecting rod, the upper end of second electricity push rod with the bottom of wheelchair frame rotates to be connected, the lower extreme of second electricity push rod with the connecting rod articulates, the second electricity push rod with the electrically controlled device electricity is connected.

4. A multi-function wheelchair as claimed in claim 3, wherein: the wheelchair comprises a backrest, and is characterized in that a wheelchair handle is arranged on the backrest, second arc plates are symmetrically arranged on two sides of the backrest, the second arc plates are fixedly connected with the wheelchair frame, the second arc plates are vertically arranged, a plurality of jacks are sequentially arranged on the second arc plates, the jacks are uniformly distributed on the circumference taking the rotation axis of the backrest and the cushion which are rotationally connected as the center of a circle, and inserted bars matched with the jacks are slidably connected on the backrest.

5. The multi-function wheelchair of claim 4, wherein: the utility model discloses a back, including back, flexible sunshade cloth, first telescopic link is all provided with to the both sides end of back, the lower extreme of first telescopic link with the back rotates to be connected, and the upper end of first telescopic link is provided with flexible sunshade cloth, the one end of flexible sunshade cloth with first telescopic link is connected, the other end of flexible sunshade cloth with the top of back is connected.

6. The multi-function wheelchair of claim 5, wherein: the wheelchair comprises a wheelchair frame, wherein two sides of the wheelchair frame are fixedly connected with side plates, and waterproof storage bags are arranged on the side plates.

7. The multi-function wheelchair of claim 6, wherein: the frame of the wheelchair frame is formed by welding hollow pipes, and a second telescopic rod for hanging a hanging bottle is arranged in the hollow pipe which is arranged vertically.

8. The multi-function wheelchair of claim 7, wherein: the handrail is provided with a hook.