CN107518988B

CN107518988B - Wheelchair for transporting patient back and forth

Info

Publication number: CN107518988B
Application number: CN201710839220.7A
Authority: CN
Inventors: 桑凌峰; 章文通; 田宝; 卢辉; 曲尚辉
Original assignee: Ningbo Intelligent Manufacturing Industry Research Institute; Zhejiang Youren Intelligent Robot Ltd
Current assignee: Ningbo Intelligent Manufacturing Industry Research Institute; Zhejiang Youren Intelligent Robot Ltd
Priority date: 2017-09-18
Filing date: 2017-09-18
Publication date: 2024-01-09
Anticipated expiration: 2037-09-18
Also published as: CN107518988A

Abstract

The invention belongs to the field of rehabilitation medical equipment, and in particular relates to a wheelchair for transporting patients back and forth, which comprises the following components: the device comprises a supporting plate, a polished rod, a rotating side plate connected with the upper side of the supporting plate in a pin joint manner, a bearing plate, a leg leaning plate, a back rest plate, a horizontal bracket, a rotary electric push rod and a horizontal electric push rod; the rear side of bearing plate has the back connecting block, has the back spout that makes the back board insert and can reciprocate on the back connecting block, in rotatory electric putter's the stiff end articulated backup pad, the push rod end articulates on rotating the curb plate, and the horizontal support includes preceding pin and two guide rails, has horizontal spout in the backup pad, and two guide rails respectively along two horizontal spouts back-and-forth movement, and horizontal electric putter's stiff end articulates in the backup pad, and the push rod end articulates on preceding pin, preceding baffle top is in the lower surface of leaning on the leg board. The wheelchair can freely change the state, and transfers the patient in a front-back transfer mode, so that the wheelchair is more in line with the ergonomics, and the secondary injury to the patient in the transfer process is reduced.

Description

Wheelchair for transporting patient back and forth

Technical Field

The invention belongs to the technical field of rehabilitation medical equipment, and particularly relates to a wheelchair for transporting patients back and forth.

Background

Wheelchairs are important tools for caring patients, assisting patients in rehabilitation or in medical procedures. Because patient action is inconvenient, the biggest problem of caring for patient is to transport patient between wheelchair and nursing bed, and traditional armful lift mode needs nursing staff to have great physical power, and armful lift in-process easily causes the secondary injury.

How to transport a patient between a wheelchair and a nursing bed in a comfortable posture without causing secondary injury is an important subject of our study.

Disclosure of Invention

Aiming at the problems that the traditional transportation is laborious and can cause secondary injury in the prior art, the invention researches and designs the wheelchair for transporting the patient back and forth, which realizes the automatic transportation between the wheelchair and the nursing bed through the operation in the back and forth direction.

The technical scheme adopted for solving the technical problems is as follows:

a wheelchair for transporting a patient back and forth, comprising: the device comprises two support plates which are arranged in a bilateral symmetry manner, two polished rods which are arranged in a front-back manner and are connected with the left support plate and the right support plate, a rotating side plate which is connected with the upper side of the support plates in a pin joint manner, a bearing plate fixedly connected with the rotating side plate, a leg leaning plate which is connected with the bearing plate in a pin joint manner, a backboard, a horizontal bracket, a rotary electric push rod and a horizontal electric push rod which are arranged at the rear end of the bearing plate; the back of bearing plate has the back connecting block, but have on the back connecting block and make the back spout that the back board inserted and reciprocate, the bearing plate is around the polished rod rotates, rotatory electric putter's stiff end articulates in the backup pad, the push rod end articulates on the rotation curb plate, horizontal support includes two guide rails that the front and back direction of left and right direction extension extended, have horizontal spout in the backup pad, two the guide rail is followed respectively horizontal spout back-and-forth movement in the backup pad, horizontal electric putter's stiff end articulates in the backup pad, the push rod end articulates in on the front stop lever, the front stop lever top is in the lower surface of leaning on the leg board.

Further, the wheelchair further comprises a walking assembly, the walking assembly comprises front wheels and rear wheels, a front wheel frame for mounting the front wheels is fixed on the horizontal support, and the rear wheels are mounted on the guide rail.

Further, a pedal bracket is fixed on the horizontal bracket, and a pedal is arranged at the end part of the pedal bracket.

Further, the hinge point of the rotary electric push rod and the rotary side plate is far away from the pin joint of the rotary side plate and the support plate.

Further, an armrest is fixed at the upper part of the supporting plate.

Further, the fixed end of the rotary electric push rod is fixed on the supporting plate through a push rod mounting seat.

Further, the bearing plate is provided with a seat cushion.

The wheelchair for transporting patients back and forth has the beneficial effects that:

1. the angle between the supporting plate and the leg leaning plate can be changed by rotating the electric push rod to adapt to the transportation of the patient between the nursing bed and the wheelchair.

2. The horizontal electric push rod enables the walking assembly to have the function of front-back adjustment, the position is reasonably adjusted according to different conditions of a user, the gravity center of the wheelchair is adjusted, the wheelchair is safer and more stable, and the adjustment mode is simple.

3. The angle adjusting structure and the front-back adjusting structure of the wheelchair are both electric push rods, so that the cost is reduced, and the blocking phenomenon caused by left-right installation errors is avoided.

4. The backrest plate can be pulled up or pushed down according to different working states of the wheelchair, so that the backrest is ensured not to influence the transportation in the transportation process, and the backrest is pulled up in the wheelchair state, so that a patient can make the patient feel comfortable.

5. The nursing bed and the wheelchair are arranged front and back, the thought of front and back transfer is provided for the first time, so that a patient can slowly transfer along joints of the body, the patient is more comfortable in the transfer process, and secondary injury does not exist.

Drawings

The invention will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a perspective view of a wheelchair for use in conjunction with a care bed in accordance with an embodiment of the present invention;

FIG. 2 is a partial block diagram of a wheelchair for use in connection with a care bed in accordance with an embodiment of the present invention;

FIG. 3 is a partial block diagram of a support plate of the wheelchair;

FIG. 4 is a block diagram of the bearing plate and back rest connection plate of the wheelchair;

FIG. 5 is a perspective view of a care bed for transporting a patient back and forth in accordance with the present invention;

FIG. 6 is a diagram of the lifting portion of a nursing bed according to an embodiment of the invention;

FIG. 7 is a view showing a state of starting transfer from the nursing bed to the wheelchair;

FIG. 8 is a view showing the end of transfer from the nursing bed to the wheelchair;

fig. 9 is a view showing a state of starting the transfer from the wheelchair to the nursing bed.

In the figure: 21. the support plate, 21-1, horizontal chute, 22, polish rod, 23, rotating side plate, 24, load-bearing plate, 25, leg rest plate, 26, back plate, 27, horizontal bracket, 27-1, front stop lever, 27-2, guide rail, 28, rotating electric putter, 29, back connection block, 29-1, back chute, 210, horizontal electric putter, 211, front wheel, 212, rear wheel, 213, front wheel frame, 214, pedal bracket, 215, foot rest, 216, armrest, 217, putter mount, 218, seat cushion, 219, push handle, 11, underframe, 12, upper support bracket, 13, front support plate assembly, 13-1, second rotating guide plate, 14, middle support plate, 15, rear support plate assembly, 15-1, third rotating guide plate, 16, lifting rotating shaft, 17, lifting electric putter, 18, front electric putter, 19, rear electric putter, 110, first transfer lever, 111, second transfer lever, 112, connecting rod, 113, transfer connecting rod, 114, first rotating guide plate, 115, front roller, 116, motor drive belt, 118, rear roller assembly, front roller assembly, 117, rear roller assembly, intermediate roller assembly, 121, rear roller assembly, and intermediate roller assembly.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.

Fig. 1-4 illustrate a wheelchair for transporting a patient back and forth in accordance with an embodiment of the present invention, primarily for use in conjunction with the care bed of fig. 5 and 6, to collectively effect transport of the patient between the transport bed and the wheelchair.

In this embodiment, the wheelchair is set to be placed at the front end of the transfer bed, that is, the direction in which the person sits on the wheelchair is the front, and the left-right direction is referred to the direction in which the person sits on the wheelchair.

A wheelchair for transporting a patient back and forth as shown in fig. 1-4, comprising: the device comprises two support plates 21 which are arranged in a bilateral symmetry manner, two polished rods 22 which are arranged in a front-rear manner and are connected with the left support plate 21 and the right support plate 21, a rotating side plate 23 which is connected with the upper side of the support plate 21 in a pin joint manner, a bearing plate 24 fixedly connected with the rotating side plate 23, a leg rest plate 25 connected with the bearing plate 24 in a pin joint manner, a backboard 26 arranged at the rear end of the bearing plate 24, a horizontal bracket 27, a rotating electric push rod 28 and a horizontal electric push rod 210; the back side of the bearing plate 24 is provided with a back connecting block 29, the back connecting block 29 is provided with a back sliding groove 29-1 which enables the backboard 26 to be inserted and move up and down, the bearing plate 24 rotates around the polished rod 22, the fixed end of the rotary electric push rod 28 is hinged on the supporting plate 21, the push rod end is hinged on the rotary side plate 23, the horizontal bracket 27 comprises a front stop rod 27-1 extending in the left-right direction and two guide rails 27-2 extending in the front-back direction, the supporting plate 21 is provided with a horizontal sliding groove 21-1, the two guide rails 27-2 respectively move back and forth along the horizontal sliding grooves 21-1 on the two supporting plates 21, the fixed end of the horizontal electric push rod 210 is hinged on the supporting plate 21, the push rod end is hinged on the front stop rod 27-1, and the front stop rod 27-1 is propped against the lower surface of the leg leaning plate 25.

The wheelchair further comprises a walking assembly, the walking assembly comprises front wheels 211 and rear wheels 212, a front wheel frame 213 for mounting the front wheels 211 is fixed on the horizontal bracket 27, and the rear wheels 212 are mounted on the guide rail 27-2.

In this embodiment, a pedal bracket 214 is fixed to the horizontal bracket 27, and a foot pedal 215 is mounted to an end of the pedal bracket 214.

Preferably, the hinge point of the rotary electric push rod 28 and the rotary side plate 23 is distant from the pin joint of the rotary side plate 23 and the support plate 21.

In this embodiment, a handrail 216 is fixed to the upper portion of the support plate 21.

In this embodiment, the fixed end of the rotary electric push rod 28 is fixed to the support plate 21 through a push rod mounting base 217.

Specifically, a seat cushion 218 is fixed to the weighing plate.

Motion principle of wheelchair frame mechanism: the horizontal electric push rod 210 performs pushing and extending movement, so that the guide rail 27-2 slides in the horizontal chute 21-1, the whole walking assembly of the wheelchair moves backwards, the wheelchair waits for movement to a pending position, and the horizontal electric push rod 210 stops moving.

A nursing bed for transporting a patient back and forth as shown in fig. 5 and 6, comprising: the lifting device comprises a chassis 11, a middle bracket 122, an upper supporting frame 12, a front supporting plate assembly 13, a middle supporting plate 14, a rear supporting plate assembly 15 which are arranged on the upper supporting frame 12, and two lifting rotating shafts 16, lifting electric push rods 17, a front electric push rod 18 and a rear electric push rod 19 which are arranged on the chassis 11 at two ends through bearings; the middle support plate 14 is hinged with the rear support plate assembly 15; two first transmission rods 110 are symmetrically arranged on the lifting rotating shaft 16, a second transmission rod 111 is also arranged on the lifting rotating shaft 16, wherein a push rod connecting rod 112 is arranged on the lifting rotating shaft 16 at the front end, and the first transmission rod 110, the second transmission rod 111 and the push rod connecting rod 112 are all perpendicular to the lifting rotating shaft 16; the two lifting rotating shafts 16 are respectively arranged at the front end and the rear end of the underframe 11, and a transmission connecting rod 113 is also pin-connected between the second transmission rods 111 correspondingly arranged at the front end and the rear end; the fixed end of the lifting electric push rod 17 is hinged on the underframe 11, and the push rod end is hinged on the push rod connecting rod 112; the end of the first transmission rod 110 is hinged with the lower end of the middle bracket 122; the fixed end of the front electric push rod 18 is hinged on the middle bracket 122, and the push rod end is hinged on the front support plate assembly 13; the fixed end of the rear electric push rod 19 is hinged on the middle bracket 122, and the push rod end is hinged on the rear supporting plate assembly 15; the end part of the front supporting plate component 13 is pin-connected with a first rotary guide plate 114, a front driving roller 115 is arranged between the left and right first rotary guide plates 114, and the front driving roller 115 is rotatably arranged on the left and right first rotary guide plates 114; the end of the rear support plate assembly 15 is provided with a rear driving roller 118 parallel to the front driving roller 115; the upper sides of the front, middle and rear support plate assemblies 13, 14 and 15 have mattresses 116, one end of a belt 117 is wound around the front driving roller 115, the middle is wound around the mattresses 116, and the other end is wound around the rear driving roller 118.

In order to make the belt 117 softer and more comfortable to contact the human body, the belt 117 may be driven by cloth.

Wherein the front support plate assembly 13 includes a second rotary guide plate 13-1 provided at a front end thereof, the second rotary guide plate 13-1 being pinned with the first rotary guide plate 114.

Wherein, the rear support plate assembly 15 comprises a third rotary guide plate 15-1 arranged at the rear end thereof, and the rear driving roller 118 is arranged on the two symmetrically arranged third rotary guide plates 15-1 through a bearing frame.

In order to make the transmission more stable, a certain included angle is formed among the first transmission rod 110, the second transmission rod 111 and the push rod connecting rod 112.

Preferably, the front driving roller 115 is mounted on the first rotary guide plate 114 by a bearing.

In this embodiment, universal wheels 119 are also mounted at the four corners of the underside of the chassis 11 to facilitate movement of the transfer bed.

Specifically, the nursing bed further includes a front roller motor 120 and a rear roller motor 121 that drive the front driving roller 115 and the rear driving roller 118, respectively.

The working principle of the bed surface lifting is as follows: the lifting electric push rod 17 drives the lifting rotating shaft 16 to rotate through the push rod connecting rod 112, and then drives the first transmission rod 110 and the second transmission rod 111 fixed on the lifting rotating shaft 16 to rotate, the second transmission rod 111 at the front end transmits torsion to the second transmission rod 111 at the rear end through the transmission connecting rod 113, at the moment, the two second transmission rods 111 at the front end and the rear end do the same-speed and same-track motion, and the upper support frame 12 is pushed to move up and down, so that the lifting effect is achieved.

In this embodiment, the mattress 116 is of one-piece design, and the mattress 116 is flexible during movement to achieve the transfer effect with reduced mechanics.

The lifting of the transfer bed of the embodiment is symmetrically pushed by adopting a single electric push rod, and the blocking phenomenon caused by left and right installation errors is avoided.

In the embodiment, the nursing bed surface is controlled by the two electric push rods to form a front panel and a rear panel, and can be reasonably adjusted according to different body types of patients.

The following describes the operation of transferring a patient between a transfer bed and a wheelchair in connection with fig. 7-9:

transporting the patient from the wheelchair to the care bed: referring to fig. 7 and 8, the front electric putter 18 pushes the front support plate assembly 13 to a certain angle, and the rear electric putter 19 pushes the rear support plate assembly 15 to rotate upwards to make the bed form a certain angle, the front driving roller 115 and the rear driving roller 118 rotate simultaneously to drive the driving belt 117 to start driving the patient to move towards one end with the wheelchair, the feet and legs of the patient first run to the leg rest plate 25 of the wheelchair, the bed lifting mechanism moves to a proper height, at this time, the front electric putter 18 pushes the front support plate assembly 13 to a certain angle, and the rear electric putter 19 pushes the rear support plate assembly 15 to rotate upwards, the buttocks of the patient moves to the seat cushion 218 of the wheelchair, and the rotating electric putter 28 pushes the rotating side plate 23 to rotate to make the patient sit right, so that the patient can be transported from the nursing bed to the wheelchair.

Transport from wheelchair to nursing bed: as shown in fig. 9, the patient leans back on the front support plate assembly 13, the front electric push rod 18 pulls the front support plate assembly 13 back to the horizontal, the rear electric push rod 19 pushes the rear support plate 21 to rotate downwards until the user is in a lying posture, the front driving roller 115 and the rear driving roller 118 move simultaneously, the driving belt 117 starts to move away from the wheelchair, the driving belt 117 starts to drive the patient to move backwards, the rotary electric push rod 28 pushes the rotary side plate 23 to rotate simultaneously, and the patient gradually breaks away from the seat cushion 218, so that the patient is wholly transported to the nursing bed.

The nursing bed is combined with the wheelchair for use, the front and back transfer mode is adopted for the first time to realize the transfer of patients, and the transfer direction corresponds to the arrangement of joints of a human body relative to the left and right transfer of the patients, so that the patients are comfortable in the transfer process, secondary injury is not caused, and the nursing bed accords with the design of ergonomics.

The back board 26 can be pulled up or pushed down according to different working states of the wheelchair, so that the back board can not influence the transportation in the transportation process, and the back board is pulled up in the wheelchair state, so that the patient can sit comfortably.

It should be understood that the above-described specific embodiments are only for explaining the present invention and are not intended to limit the present invention. Obvious variations or modifications which extend from the spirit of the present invention are within the scope of the present invention.

Claims

1. A wheelchair for transporting a patient back and forth, comprising: two support plates (21) symmetrically arranged left and right, two polished rods (22) which are arranged front and back and are connected with the left and right support plates (21), a rotating side plate (23) which is pin-connected to the upper side of the support plates (21), a bearing plate (24) fixedly connected with the rotating side plate (23), a leg rest plate (25) pin-connected with the bearing plate (24), a backboard (26) arranged at the rear end of the bearing plate (24), a horizontal bracket (27), a rotary electric push rod (28) and a horizontal electric push rod (210); the back of bearing plate (24) has back connecting block (29), back connecting block (29) are last to have makes back board (26) inserts and but back spout (29-1) of reciprocate, bearing plate (24) are around polished rod (22) rotate, the stiff end of rotatory electric putter (28) articulates on backup pad (21), the push rod end articulates on rotating curb plate (23), horizontal support (27) are including front pin (27-1) that left and right direction extends and two guide rails (27-2) that the fore-and-aft direction extends, have horizontal spout (21-1) on backup pad (21), two guide rails (27-2) are respectively followed horizontal spout (21-1) on two backup pad (21) back-and-forth movement, the stiff end of horizontal electric putter (210) articulates on backup pad (21), the push rod end articulates on front pin (27-1), front pin (27-1) is on the lower surface of leg board (25).

2. Wheelchair for transporting patients back and forth according to claim 1, characterized in that it further comprises a walking assembly comprising front wheels (211) and rear wheels (212), a front wheel frame (213) mounting the front wheels (211) being fixed on the horizontal support (27), the rear wheels (212) being mounted on the guide rail (27-2).

3. Wheelchair for transporting patients back and forth according to claim 1, characterized in that the horizontal support (27) is fixed with a pedal support (214), the pedal support (214) being mounted with a foot pedal (215) at its end.

4. Wheelchair for transporting patients back and forth according to claim 1, characterized in that the hinge point of the rotary electric push rod (28) and the rotary side plate (23) is remote from the pin point of the rotary side plate (23) and the support plate (21).

5. Wheelchair for transporting patients back and forth according to claim 1, characterized in that the upper part of the support plate (21) is fixed with handrails (216).

6. Wheelchair for transporting patients back and forth according to claim 1, characterized in that the fixed end of the rotary electric push rod (28) is fixed to the support plate (21) by means of a push rod mounting (217).

7. A wheelchair for transporting patients back and forth according to claim 1, characterized in that the bearing plate (24) has a seat cushion (218) thereon.

8. A wheelchair for transporting patients back and forth according to claim 1 wherein a push handle (219) is also mounted on the back of the back plate (26).