CN220477736U

CN220477736U - Wheelchair convenient for passing through bed

Info

Publication number: CN220477736U
Application number: CN202322073302.9U
Authority: CN
Inventors: 廖展云; 范婷
Original assignee: Gaozhou Peoples Hospital
Current assignee: Gaozhou Peoples Hospital
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-02-13
Anticipated expiration: 2033-08-03

Abstract

The utility model belongs to the technical field of wheelchairs, and discloses a wheelchair convenient to pass through a bed, which comprises: the seat plate is rotationally connected with a backrest plate at one end and a foot supporting plate at the other end, a connecting shaft is fixedly connected at the rotational joint of the backrest plate and the foot supporting plate, a first bevel gear is fixedly connected at the same end of the two connecting shafts, a second bevel gear is connected with the first bevel gear in a meshed manner, and a rotating shaft is fixedly connected between the two second bevel gears; the two groups of armrests are arranged at two ends of the seat plate, and the armrests on one side, far away from the first bevel gear, of the seat plate are rotationally connected with the seat plate; the electric push rod is fixedly connected to the lower end of the seat plate. Can facilitate the patient to transfer from the sickbed to the wheelchair or the wheelchair to the sickbed, and reduce the possibility of falling down of the patient in the transfer process.

Description

Wheelchair convenient for passing through bed

Technical Field

The disclosure belongs to the technical field of wheelchairs, and particularly relates to a wheelchair convenient to pass through a bed.

Background

Wheelchairs are a common walking aid, particularly in hospitals, patients inconvenient to walk, such as hemiplegic patients and full paralysis patients, often need to be transported between a ward and an examination department, even between the ward and the examination department in an examination process, and the existing common wheelchairs can only meet the walking requirement of the patients, but are inconvenient to transfer between the wheelchairs and the sickbed. Therefore, the patient is inconvenient to transfer from the sickbed to the wheelchair or the wheelchair is inconvenient to transfer to the sickbed, at least one person is generally needed to assist the patient to move the patient, and the physical strength of the assisting person is consumed in the moving process, so that the patient is easy to fall down, and the moving safety is poor.

Disclosure of Invention

Aiming at the defects of the prior art, the aim of the present disclosure is to provide a wheelchair convenient to pass through a bed, which can facilitate patients to transfer from a sickbed to the wheelchair or transfer the wheelchair to the sickbed, and reduce the possibility of falling of the patients in the transfer process.

The purpose of the disclosure can be achieved by the following technical scheme:

a wheelchair for facilitating bed passing, comprising:

the seat plate is rotationally connected with a backrest plate at one end and a foot supporting plate at the other end, a connecting shaft is fixedly connected at the rotational joint of the backrest plate and the foot supporting plate, a first bevel gear is fixedly connected at the same end of the two connecting shafts, a second bevel gear is connected with the first bevel gear in a meshed manner, and a rotating shaft is fixedly connected between the two second bevel gears;

the two groups of armrests are arranged at two ends of the seat plate, and the armrests on one side, far away from the first bevel gear, of the seat plate are rotationally connected with the seat plate;

the electric push rod is fixedly connected to the lower end of the seat plate.

The technical scheme has the principle and technical effects that:

firstly, drive electric putter goes up and down for the seat board goes up and down to be in same horizontal plane with the sick bed, and the drive source drive axis of rotation rotates, and the axis of rotation drives two second bevel gears and rotates, and two first bevel gears of two second bevel gears drive rotate, make the back board rotate with the foot layer board and be as for the seat board to flush, and the handrail of keeping away from first bevel gear one side on the seat board is downwards overturned again, adjusts the wheelchair and is next to the bedside, and the convenience is transferred the patient from the sick bed to the wheelchair like this or is transferred to the sick bed from the wheelchair, reduces the possibility that the patient falls down in the transfer process. The wheelchair is operated again so that the wheelchair is restored to its original shape.

Further, a first sprocket is fixedly connected to the rotating shaft, a chain is meshed with the first sprocket, a second sprocket is meshed and connected to the other end of the chain, and the second sprocket is fixedly connected to the output end of the motor.

Further, the periphery of the motor is fixedly connected with a fixing piece, and the fixing piece is fixedly connected to the lower end of the seat plate.

Further, the two ends of the rotating shaft are rotatably connected with brackets, and the brackets are fixedly connected to the side edges of the seat plate.

Further, each of the two ends of the seat plate is symmetrically and fixedly connected with two connecting blocks, two ends of the connecting shaft, which are positioned at the rotating connection position of the back plate and the foot supporting plate, are rotationally connected with the connecting blocks, and one end of the connecting shaft penetrates through the connecting blocks and is fixedly connected with the first bevel gear in an outward extending mode.

Further, the lower end of the armrest close to the first bevel gear side is fixedly connected with the seat plate, and the lower end of the armrest far away from the first bevel gear side is rotatably connected with the seat plate.

Further, two sets of armrests are close to one side sliding connection of the back board and have bolts, bolt one end fixedly connected with card strip, other end threaded connection have the nut, the draw-in groove has been seted up to the side symmetry of back board, card strip joint is in the draw-in groove.

Further, a supporting plate is fixedly connected in the middle of the lower end of the seat plate, and the top end of the electric push rod is fixedly connected with the supporting plate.

Further, the lower end of the electric movable push rod is fixedly connected with a bottom plate, and the lower end of the bottom plate is provided with a movable wheel.

Further, the lower extreme of seat board is located the both sides fixedly connected with slide rail seat of layer board, offered the spout that link up in the slide rail seat, the spacing groove has been offered to the lower surface of slide rail seat, sliding connection has two support bars in the spout, two the inboard end lower surface fixedly connected with arch of support bar, protruding sliding connection is in the spacing groove.

The noun, conjunctive or adjective parts related to the above technical solution are explained as follows:

by fixed connection is meant a connection without any relative movement after the parts or components are fixed. The device is divided into a detachable connection type and a non-detachable type.

(1) The detachable connection is to fix the parts together by using screws, splines, wedge pins and the like. The connection mode can be disassembled during maintenance, and parts cannot be damaged. The connector used must be of the correct size (e.g. length of bolt, key) and tightened properly.

(2) The non-detachable connection mainly refers to welding, riveting, tenon passing matching and the like. Because the parts can be disassembled only by forging, sawing or oxygen cutting during maintenance or replacement, the parts cannot be used for a second time generally. Also, during connection, attention should be paid to process quality, technical inspection and remedial measures (e.g., correction, polishing, etc.).

Threaded connection refers to a detachable connection in which a threaded member (or threaded portion of a connected member) is used to connect the connected member into one body.

Sliding connection means that two objects are in contact but not fixed, and the two objects can slide relatively.

Rotational coupling means that the coupling between the parts causes the parts to rotate relative to each other.

The beneficial effects of the present disclosure are:

can facilitate the patient to transfer from the sickbed to the wheelchair or the wheelchair to the sickbed, and reduce the possibility of falling down of the patient in the transfer process.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described, and it will be apparent to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic overall construction of an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a rotating shaft structure of an embodiment of the present disclosure;

FIG. 3 is a schematic view of a connecting shaft structure of an embodiment of the present disclosure;

FIG. 4 is a schematic view of a sliding rail seat according to an embodiment of the disclosure;

fig. 5 is a schematic view of the armrest structure of an embodiment of the present disclosure.

Detailed Description

The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments in this disclosure without inventive faculty, are intended to fall within the scope of this disclosure.

In the description of the present disclosure, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate an orientation or positional relationship, merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present disclosure.

An embodiment of a wheelchair for facilitating bed passage is described herein in connection with fig. 1-4, in accordance with the concepts of the present application. Specifically, the wheelchair is configured as a split structure having four components, namely, a seat plate 1, a back plate 2, a foot rest 3, and armrests 8. Through the mutually supporting of structures such as connecting axle 4, first bevel gear 5, second bevel gear 6, axis of rotation 7, electric putter 9 of setting, at first drive electric putter 9 goes up and down, make seat board 1 go up and down to be in same horizontal plane with the sick bed, drive source drive axis of rotation 7 turns to, axis of rotation 7 drives two second bevel gears 6 and rotates, two first bevel gears 5 of two second bevel gears 6 drive rotate, make backboard 2 and foot board 3 rotate and be as to seat board 1 flush, turn over down the handrail 8 of keeping away from first bevel gear 5 one side on the seat board 1 again, adjust the wheelchair and follow the bedside, conveniently shift the patient from the sick bed to the wheelchair like this or shift to the sick bed from the wheelchair, reduce the possibility that the patient falls down in the transfer process. The wheelchair is operated again so that the wheelchair is restored to its original shape.

As shown in fig. 1, a wheelchair for facilitating a bed passing, comprising:

the seat plate 1, one end of the seat plate 1 is rotationally connected with a backrest plate 2, the other end is rotationally connected with a foot supporting plate 3, a connecting shaft 4 is fixedly connected at the rotational joint of the backrest plate 2 and the foot supporting plate 3, the same ends of the two connecting shafts 4 are fixedly connected with a first bevel gear 5, the first bevel gear 5 is in meshed connection with a second bevel gear 6, and a rotating shaft 7 is fixedly connected between the two second bevel gears 6;

two groups of armrests 8, wherein the two groups of armrests 8 are arranged at two ends of the seat plate 1, and the armrests 8 on one side, far away from the first bevel gear 5, of the seat plate 1 are rotationally connected with the seat plate 1;

the electric push rod 9, the electric push rod 9 fixed connection is at the lower extreme of seat board 1.

When the wheelchair is used, the electric push rod 9 is driven to lift at first, the seat plate 1 is lifted to be positioned on the same horizontal plane with a sickbed, the driving source drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the two second bevel gears 6 to rotate, the two second bevel gears 6 drive the two first bevel gears 5 to rotate, the backboard 2 and the foot support plate 3 rotate to be flush with the seat plate 1, the armrest 8 on one side, far away from the first bevel gears 5, of the seat plate 1 is turned downwards, the wheelchair is adjusted to be close to the bedside, so that a patient can be conveniently transferred from the sickbed to the wheelchair or from the wheelchair to the sickbed, and the possibility of falling of the patient in the transfer process is reduced. The wheelchair is operated again so that the wheelchair is restored to its original shape.

In the application, the electric push rod is also called a linear driver, and is mainly a novel linear actuating mechanism composed of a motor push rod, a control device and other mechanisms, and can be regarded as an extension of a rotating motor in terms of structure. An electric putter is an electric drive device that converts the rotational motion of an electric motor into linear reciprocating motion of a putter. Can be used in various simple or complex process flows as an execution machine to realize remote control, centralized control or automatic control.

Of course, in this application, the foot rest 3 is used to support the leg of the patient when the patient is being transferred, and in some embodiments, the foot rest 3 may be designed to be retractable in order to avoid the foot rest 3 touching the ground when the electric putter drives the seat plate 1 to descend, considering that the foot rest 3 is in a vertical state when the foot rest 3 is not being retracted.

The rotating shaft 7 is fixedly connected with a first sprocket 71, the first sprocket 71 is meshed with a chain 72, the other end of the chain 72 is meshed with a second sprocket 73, and the second sprocket 73 is fixedly connected to the output end of a motor 74. The motor 74 is used as a driving source to drive the second sprocket 73 to rotate, the second sprocket 73 drives the chain 72 to drive, the chain 72 drives the first sprocket 71 to rotate, and the first sprocket 71 drives the rotating shaft 7 to rotate, so that the backboard 2 and the foot support plate 3 rotate.

The fixing member 75 is fixedly connected to the peripheral side of the motor 74, and the fixing member 75 is fixedly connected to the lower end of the seat plate 1.

The two ends of the rotating shaft 7 are rotatably connected with brackets 76, and the brackets 76 are fixedly connected to the side edges of the seat plate 1. The bracket 76 is used to support the rotation shaft 7.

Each of the two ends of the seat plate 1 is symmetrically and fixedly connected with two connecting blocks 12, the two ends of a connecting shaft 4 at the rotating connection part of the backboard 2 and the foot supporting plate 3 are rotationally connected with the connecting blocks 12, and one end of the connecting shaft 4 penetrates through the connecting blocks 12 to extend outwards and fixedly connected with a first bevel gear 5. The end parts of the backboard 2 and the foot support plates 3 are fixedly connected with the connecting shafts 4, and the rotation of the connecting shafts 4 enables the backboard 2 and the foot support plates 3 to rotate around the connecting shafts 4.

The lower end of the armrest 8 near one side of the first bevel gear 5 is fixedly connected with the seat plate 1, so that the armrest 8 is prevented from being contacted with a transmission mechanism. The lower end of the armrest 8 on the side remote from the first bevel gear 5 is rotatably connected to the seat pan 1. Facilitating patient transfer from that side.

Two sets of armrests 8 are close to back board 2 one side sliding connection have bolt 81, and bolt 81 one end fixedly connected with card strip 82, and the other end threaded connection has nut 83, and draw-in groove 84 has been seted up to back board 2 side symmetry, and card strip 82 joint is in draw-in groove 84. When the wheelchair needs to be adjusted, and a patient on the wheelchair keeps sitting, the clamping strips 82 are clamped in the clamping grooves 84, the nuts 83 are screwed, the clamping strips 82 are prevented from being clamped in the clamping grooves 84, the backboard 2 is prevented from losing the bearing function, and the backboard 2 is prevented from moving backwards.

The middle of the lower end of the seat plate 1 is fixedly connected with a supporting plate 11, and the top end of the electric push rod 9 is fixedly connected with the supporting plate 11. The setting of layer board 11 avoids the atress between seat board 1 and the electric putter 9 too concentrated, causes the damage of seat board 1.

The lower end of the electric push rod 9 is fixedly connected with a bottom plate 10, and a movable wheel 101 is arranged at the lower end of the bottom plate 10.

The lower extreme of seat board 1 is located the both sides fixedly connected with slide rail seat 20 of layer board 11, has seted up the spout 201 that link up in the slide rail seat 20, and limit groove 202 has been seted up to the lower surface of slide rail seat 20, and the spout 201 sliding connection has two support bars 203, and the inboard end lower surface fixedly connected with protruding 204 of two support bars 203, protruding 204 sliding connection is in limit groove 202. When the seat plate 1, the backboard 2 and the foot support plates 3 are tiled, the support bars 203 are pulled out to two sides, and the support bars 203 support the backboard 2 and the foot support plates 3. The arrangement of the protrusion 204 and the limiting groove 202 prevents the support bar 203 from being separated from the slide rail seat 20.

The wheelchair capable of conveniently passing through the bed provided by the utility model is further described below with reference to the accompanying drawings and the implementation modes.

A wheelchair for facilitating bed passing, comprising:

The application method of the utility model comprises the following steps: firstly, the electric push rod 9 is driven to lift, the seat plate 1 is lifted to be positioned on the same horizontal plane with a sickbed, the screw cap 83 is loosened, the bolt 81 is moved, the clamping strip 82 is separated from the clamping groove 84, the clamping strip 82 is rotated outwards to prevent the backboard 2 from being blocked, the motor 74 drives the second sprocket 73 to rotate, the second sprocket 73 drives the chain 72 to drive the chain 72 to rotate, the chain 72 drives the first sprocket 71 to drive the rotating shaft 7 to rotate, the rotating shaft 7 drives the two second bevel gears 6 to rotate, the two second bevel gears 6 drive the two first bevel gears 5 to rotate, the backboard 2 and the foot supporting plate 3 are enabled to rotate to be flush with the seat plate 1, then the handrail 8 on one side, far away from the first bevel gears 5, of the seat plate 1 is turned downwards, when the seat plate 1, the backboard 2 and the foot supporting plate 3 are tiled, the supporting strips 203 are pulled out to the two sides, the backboard 2 and the foot supporting plates 3 are supported by the supporting strips 203, then the handrail 8 on one side, which is far away from the first bevel gears 5, the seat plate 8 is turned downwards, the patient is adjusted to be next to the bedside, and the patient is conveniently transferred from the sickbed to the sickbed or from the sickbed.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 foregoing has shown and described the basic principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which have been described in the foregoing and description merely illustrates the principles of the disclosure, and that various changes and modifications may be made therein without departing from the spirit and scope of the disclosure, which is defined in the appended claims.

Claims

1. A wheelchair convenient for passing through a bed, which is characterized by comprising:

the seat plate (1), seat plate (1) one end rotates and is connected with back board (2), and the other end rotates and is connected with foot layer board (3), back board (2) with foot layer board (3) rotation junction fixedly connected with connecting axle (4), two the same end fixedly connected with first bevel gear (5) of connecting axle (4), first bevel gear (5) meshing is connected with second bevel gear (6), two fixedly connected with axis of rotation (7) between second bevel gear (6);

two groups of armrests (8), wherein the armrests (8) are arranged at two ends of the seat plate (1), and the armrests (8) on one side, far away from the first bevel gear (5), of the seat plate (1) are rotationally connected with the seat plate (1);

the electric push rod (9), the electric push rod (9) is fixedly connected with the lower end of the seat plate (1).

2. The wheelchair capable of facilitating the bed passing according to claim 1, wherein a first sprocket (71) is fixedly connected to the rotating shaft (7), a chain (72) is meshed with the first sprocket (71), a second sprocket (73) is meshed with the other end of the chain (72), and the second sprocket (73) is fixedly connected to the output end of a motor (74).

3. The wheelchair capable of facilitating the passing of a bed according to claim 2, wherein a fixing member (75) is fixedly connected to the peripheral side of the motor (74), and the fixing member (75) is fixedly connected to the lower end of the seat plate (1).

4. The wheelchair capable of facilitating the passing of the bed according to claim 2, wherein the two ends of the rotating shaft (7) are rotatably connected with brackets (76), and the brackets (76) are fixedly connected to the side edges of the seat plate (1).

5. The wheelchair capable of facilitating the passing of the bed according to claim 1, wherein each of two ends of the seat plate (1) is symmetrically and fixedly connected with two connecting blocks (12), two ends of the connecting shaft (4) at the rotating connection position of the back plate (2) and the foot supporting plate (3) are rotationally connected with the connecting blocks (12), and one end of the connecting shaft (4) penetrates through the connecting blocks (12) and is fixedly connected with the first bevel gear (5) in an outward extending mode.

6. The wheelchair capable of facilitating the passing of a bed according to claim 5, wherein the lower end of the armrest (8) close to the side of the first bevel gear (5) is fixedly connected with the seat plate (1), and the lower end of the armrest (8) far away from the side of the first bevel gear (5) is rotatably connected with the seat plate (1).

7. The wheelchair convenient to pass through a bed according to claim 5, wherein two groups of armrests (8) are connected with bolts (81) in a sliding manner on one side, close to the back plate (2), of the armrests (8), one end of each bolt (81) is fixedly connected with a clamping strip (82), the other end of each bolt is in threaded connection with a nut (83), clamping grooves (84) are symmetrically formed in the side face of the back plate (2), and the clamping strips (82) are clamped in the clamping grooves (84).

8. The wheelchair capable of facilitating the passing of the bed according to claim 1, wherein a supporting plate (11) is fixedly connected in the middle of the lower end of the seat plate (1), and the top end of the electric push rod (9) is fixedly connected with the supporting plate (11).

9. The wheelchair convenient to pass through the bed according to claim 8, wherein the lower end of the electric movable push rod (9) is fixedly connected with a bottom plate (10), and the lower end of the bottom plate (10) is provided with a movable wheel (101).

10. The wheelchair convenient to pass through a bed according to claim 8, wherein the lower end of the seat plate (1) is located at two sides of the supporting plate (11) and fixedly connected with a sliding rail seat (20), a through sliding groove (201) is formed in the sliding rail seat (20), a limit groove (202) is formed in the lower surface of the sliding rail seat (20), two supporting bars (203) are connected in a sliding manner in the sliding groove (201), protrusions (204) are fixedly connected to the lower surfaces of the inner side ends of the supporting bars (203), and the protrusions (204) are connected in the limit groove (202) in a sliding manner.