CN109771158B

CN109771158B - Nursing wheelchair

Info

Publication number: CN109771158B
Application number: CN201910058689.6A
Authority: CN
Inventors: 苟丽; 苟向华; 王梓睿
Original assignee: Individual
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2019-01-22
Filing date: 2019-01-22
Publication date: 2020-03-27
Anticipated expiration: 2039-01-22
Also published as: CN109771158A

Abstract

The invention relates to a nursing wheelchair, which comprises a wheelchair frame, wherein the wheelchair frame is provided with leg supports which are arranged in the front and back, the seat board and the backrest are coaxially fixed with a transmission gear, the lower side of the seat board is provided with a transmission rack which is meshed with the transmission gear in a transmission mode along the front-back direction in a guiding and moving mode, the lower side of the seat board is provided with a supporting sliding block which is used for moving forwards to jack up and turn over the legs, the transmission rack is connected with the supporting sliding block in a transmission mode through a connecting rod, the front end of the connecting rod is hinged to the supporting sliding block, the rear end of the connecting rod is hinged to the transmission rack, the backrest is provided with a backrest depending position which is obliquely arranged with the seat board and a backrest lying position which is turned downwards to be supported in a horizontal posture by a backrest supporting rod on the bed frame, and the leg support is provided with a leg supporting position which is obliquely arranged with the seat board and a leg supporting lying position which is. The invention solves the problems of time and labor waste and high working strength when a patient needs to move from a bed to a wheelchair in the prior art.

Description

Nursing wheelchair

Technical Field

The invention relates to a nursing wheelchair in the field of medical instruments.

Background

For some patients with inconvenient activities, special nurses, family members or nursing staff and other nursing staff are needed to take care of the patients independently. In daily care, a patient inevitably needs to move between a hospital bed and a wheelchair, but the weight of a general patient, especially a male patient, is 150-180, and for the patient with the weight, a single nursing staff cannot move the patient at all and usually needs to be realized by the aid of the resultant force of multiple persons, so that great inconvenience is brought to nursing work.

Disclosure of Invention

The invention aims to provide a nursing wheelchair, which solves the problems of time and labor waste and high working strength when a patient needs to move from a bed to the wheelchair in the prior art.

In order to solve the technical problems, the technical scheme of the invention is as follows:

the utility model provides a nursing wheelchair, including the wheelchair frame that is provided with the universal wheel, be fixed with the bedplate on the wheelchair frame, the bedplate front side articulates there is the leg that can overturn from top to bottom to prop, the bedplate rear side articulates there is the back that can overturn from top to bottom, the coaxial line is fixed with drive gear on the back, the bedplate downside is equipped with the driving rack with drive gear meshing transmission along the fore-and-aft direction removal, the bedplate downside is still led to move and is equipped with and is used for moving forward in order to prop the support slider that overturns up with the leg, driving rack passes through the connecting rod and links to each other with the support slider transmission, the front end of connecting rod links to each other with the driving rack is articulated, the back has the back that arranges with the bedplate slope and relies on the position and overturns down to the back bracing piece that is supported in horizontal gesture by the bedstead and lies the position, the leg that the leg propped the bracing position that arranges with the bedplate slope and is propped up and supported in horizontal gesture by.

The nursing wheelchair further comprises a backrest positioning pin which is inserted into the gear pin hole and the seat plate pin hole to position the backrest in the backrest depending position.

The bed plate is provided with at least two bed plate positioning holes which are arranged at intervals along the front and back directions and are used for being matched with the bed plate supporting rods on the bed frame in a left-right matching and positioning insertion mode.

The left side of bedplate locating hole is the bedplate bracing piece import, and bedplate round pin shaft hole is located the right side of bedplate, and the nursing wheelchair is still including the unblock even board that is located the bedplate right side, and back locating pin is fixed in on the unblock even board, the unblock even board still be provided with back locating pin interval arrangement's guide pin and be arranged in corresponding the bedplate locating hole be used for by the unblock pin that the bedplate bracing piece pushed away, the guide pin removes the assembly on the bedplate along left and right directions direction, is provided with between guide pin and the bedplate to exert towards the back locating spring of left direction effort to the bedplate.

The invention has the beneficial effects that: the nursing wheelchair of the invention has two postures, one is a wheelchair posture used as the wheelchair, the other is a bed body posture used as a part of the bed body, when the nursing wheelchair is used as the wheelchair, the backrest is positioned at the backrest leaning position, the leg support is positioned at the leg support supporting position, a patient can sit on the wheelchair, a nursing staff can push the patient to move around, when the patient needs to have a rest, the patient does not need to move, the backrest is turned downwards to the backrest lying position, the lower side of the backrest is supported by the backrest supporting rod on the bed frame to be positioned at the backrest lying position, in the process of turning downwards the backrest, the transmission gear drives the transmission rack to move forwards, the transmission rack drives the supporting slide block to move forwards through the connecting rod in the process of moving forwards, the supporting slide block supports the legs up in the process of moving forwards, and supports the leg support in the lying position of the horizontal posture, at this time, the backrest is supported by the backrest supporting rod on the supporting leg support rod on the bed frame and can not, therefore, the position of the supporting slide block is also reliable, the firm support of the leg support can be ensured, the backrest, the seat plate and the leg support are all in horizontal postures, the bed can be combined with the other bed plate on the bed frame to form a bed, a patient can arrive at the bed without moving, and the time and labor are saved.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a nursing wheelchair in accordance with the present invention;

FIG. 2 is a schematic structural view of the rack of FIG. 1;

FIG. 3 is a schematic view of the nursing wheelchair of the present invention engaged with a bed frame;

FIG. 4 is the back rest in the back rest lying position and the leg rest in the leg rest lying position of FIG. 1;

FIG. 5 is a schematic view of the nursing wheelchair of the present invention in combination with a bed frame;

fig. 6 is a schematic view of the seat plate of fig. 3 in cooperation with the back positioning pin, the guide pin and the unlocking pin.

Detailed Description

An embodiment of a nursing wheelchair is shown in figures 1-6:

before the nursing wheelchair of the present invention is introduced, a nursing bed matched with the nursing wheelchair will be briefly introduced, as shown in fig. 3: the nursing bed comprises a bed frame, a bed board 26 extending along the front-back direction is arranged on the bed frame, the width of the bed board is 45cm, two backrest support rods 25 arranged at intervals are fixed on the right side of the front end of the bed frame, the backrest support rods are of cantilever structures, the left end of each backrest support rod is connected with the bed frame, and the right end of each backrest support rod is cantilevered. Two seat board supporting rods 24 which are arranged at intervals in the front and the back are fixed in the middle of the bed frame, and the seat board supporting rods are of cantilever structures with the left ends connected with the bed frame and the right ends overhanging.

The nursing wheelchair comprises a wheelchair frame 8, and four universal wheels 7 with brake devices are arranged at the bottom of the wheelchair frame 8. The top of the wheelchair frame 8 is fixed with a seat board 4, the front side of the seat board 4 is hinged with a leg support 5 which can be turned up and down, the rear side of the seat board 4 is hinged with a backrest 1 which can be turned up and down, the backrest 1 is hinged with the seat board 4 through a backrest hinge shaft, a transmission gear 12 is coaxially fixed on the backrest 1, the transmission gear 12 is a sector gear, the lower side of the seat board is movably assembled with a transmission rack 11 which is engaged and driven with the transmission gear along the front-back direction, the specific guiding structure of the transmission rack 11 and the seat board 4 is that the lower side of the seat board 4 is respectively fixed with two rack mounting plates 14 at the left side and the right side of the transmission rack, each rack mounting plate is rotatably assembled with a guide wheel 15 the rotation axis of which extends along the left-right direction, the left side and the right side of the transmission rack 11 are provided with guide wheel grooves, the guide wheel 15 is used for guiding the transmission rack, so that overlarge friction force between the transmission racks can be avoided. The width of the backrest, the seat board and the leg support is 45 cm.

The downside of bedplate still is equipped with supporting slide 9 along the direction guide movement of fore-and-aft direction, and the front end of driving rack 11 links to each other with supporting slide 9 transmission through connecting rod 10, and the front end of connecting rod 10 links to each other with supporting slide is articulated, and the rear end of connecting rod 10 links to each other with driving rack is articulated. The backrest 1 has a backrest leaning position obliquely arranged with the seat board and a backrest lying position turned downward to be supported in a horizontal posture by the backrest support rod 25 on the bed frame, the leg support 5 has a leg support supporting position obliquely arranged with the seat board and a leg support lying position jacked up by the support slider 9 and supported in a horizontal posture by the support slider, as shown in fig. 1, the backrest is in the backrest leaning position, and the leg support is in the leg support supporting position.

In the invention, a leg support block 6 which is used for supporting and matching with the leg support 5 to limit the leg support at a leg support supporting position is fixed at the lower side of the seat plate 4. The nursing wheelchair further comprises a backrest positioning pin 18 which is inserted into the gear pin hole and the seat plate pin hole to position the backrest in a backrest depending position, the position of the backrest positioning pin 18 corresponds to the position of the seat plate pin hole 19 all the time, and the seat plate pin hole 19 and the gear pin hole are arranged left and right. Be provided with two along the fore-and-aft direction interval arrangement be used for with the bedplate bracing piece 24 on the bedstead along left right direction adaptation location cartridge complex bedplate locating hole 3, the left side of bedplate locating hole 3 is the bedplate bracing piece import, bedplate round pin hole is located the right side of bedplate 4, the nursing wheelchair is still including being located the unblock even board 17 on bedplate right side, back locating pin 18 is fixed in on the unblock even board 17, still be provided with on the unblock even board 17 with back locating pin interval arrangement's guide pin 23 and be in the unblock pin 2 that is used for by the bedplate bracing piece top that corresponds the bedplate locating hole, guide pin 23 is along left right direction removal assembly on bedplate 4, be provided with between guide pin 23 and the bedplate 4 and exert towards the back locating spring 22 of left direction effort to the bedplate. The specific installation form of the backrest positioning spring 22 is as follows: a guide pin guide hole is formed in the right side of the seat plate, a spring top cover 20 is fixed to the right side of the guide pin guide hole through a screw, a spring top edge 21 is arranged at the left end of a guide pin 23, and a backrest positioning spring 22 is arranged between the spring top cover 20 and the spring top edge 21 in a jacking mode.

When the nursing wheelchair in the device is used as a wheelchair, as shown in fig. 1, under the action of a backrest positioning spring, a backrest positioning pin is inserted into a gear pin shaft hole and a seat plate pin shaft hole, the backrest is positioned at a backrest depending position in an inclined posture at the moment, a leg support is naturally turned down under the action of gravity and is supported and stopped at a leg support supporting position by the leg support, at the moment, a patient can sit on the nursing wheelchair, a nursing staff can push the patient to move around by hand, and the front end surfaces of the leg support and the support sliding block are inclined planes which are gradually inclined from the back to the front from top to bottom; when a patient needs to lie in bed for rest, a nursing wheelchair is pushed to the middle of a nursing bed by a nursing staff, then the nursing wheelchair is pushed from right to left, the nursing wheelchair moves towards the nursing bed from left to right, a seat board supporting rod on a bed frame is inserted into a seat board positioning hole on a seat board in a matching way, when the seat board supporting rod is inserted completely, the seat board supporting rod pushes against an unlocking pin to overcome the acting force of a backrest positioning spring, the unlocking pin drives an unlocking connecting plate to move towards right, the backrest positioning pin is separated from a gear pin hole and a seat board pin hole, at the moment, a backrest can be turned downwards, a transmission gear drives a supporting slide block to move forwards through a transmission rack and a connecting rod in the process of turning the backrest downwards until the backrest is supported on the backrest supporting rod and is positioned at a backrest lying position with a horizontal posture, the supporting slide block pushes up a leg support and limits the leg support lying position with the horizontal posture as shown in figure 4, at the moment, the nursing wheelchair and the bed board on the left side form a whole bed, the universal wheels are locked, and the patient can lie down; when a patient needs to walk around through the wheelchair, the patient lies on a 'bed' formed by the nursing wheelchair, the nursing staff can loosen the universal wheels, the nursing wheelchair is firstly pushed to the right, when the nursing wheelchair is separated from a seat plate supporting rod on the bed frame, under the action of a backrest positioning spring, the end part of a backrest positioning pin is propped against the end surface of the transmission gear and rubs against the transmission gear, but the upward turning of the backrest is not influenced, the nursing staff can turn the backrest upwards, the patient can stand up in the process until hearing the sound of sound collision, at the moment, the backrest positioning pin is positioned and inserted into the gear pin shaft hole and the seat plate pin shaft hole, the positioning of the backrest is completed, the supporting slide block is driven by the connecting rod to move backwards in the process, the leg support naturally moves downwards to the leg support supporting position, and the nursing staff can push the patient to move around. In the invention, the patient does not need to be completely removed all the time in the moving process from the nursing bed to the nursing wheelchair and from the nursing wheelchair to the nursing bed, and even if the weight of the patient is large, one nursing staff can complete the operation. The location support cooperation of bedplate locating hole and bedplate bracing piece to the face can accomplish the front and back position location to the nursing wheelchair, make nursing wheelchair convenient and a whole bed of bed board constitution in addition, can also cooperate with the bedplate bracing piece, accomplish the unblock operation to back locating pin at the in-process that the nursing wheelchair removed, simplify nursing staff's operation, for reducing nursing staff provides probably, exactly, the weight of nursing wheelchair is born through fixed bedplate bracing piece and back bracing piece, also can avoid the long-time atress of universal wheel, the bearing of avoiding the universal wheel reduces life because of long-time atress.

Claims

1. The utility model provides a nursing wheelchair, is fixed with the bedplate including the wheelchair frame that is provided with the universal wheel on the wheelchair frame, and the bedplate front side articulates has the leg that can overturn from top to bottom to prop, and the bedplate rear side articulates has the back that can overturn from top to bottom, its characterized in that: the nursing wheelchair comprises a backrest, a seat board, a transmission gear, a support slide block, a connecting rod, a seat board, a transmission rack, a support slide block, a leg support, a seat board pin shaft hole, a transmission gear, a transmission rack, a support slide block, a transmission rack, a back support, a leg support, a back lying position, a leg support lying position, a gear pin shaft hole, a seat board pin shaft hole, a nursing wheelchair body and a nursing wheelchair body, wherein the transmission gear is coaxially fixed on the backrest, the seat board lower side is movably assembled along the front direction and is meshed with the transmission gear, the transmission rack is assembled with the transmission gear, the support slide block is upwards turned over along the seat board, the transmission rack is connected with the support slide block in a transmission mode, the front end of the connecting rod is hinged The back locating pin who leans on the position, be provided with at least two along the fore-and-aft direction interval arrangement be used for with the bedstead on the bedplate bracing piece along left right direction adaptation location cartridge complex bedplate locating hole, the left side of bedplate locating hole is the bedplate bracing piece import, bedplate round pin hole is located the right side of bedplate, the nursing wheelchair still including the unblock link plate that is located the bedplate right side, back locating pin is fixed in on the unblock link plate, still be provided with on the unblock link plate with back locating pin interval arrangement the guide pin and be located the unblock pin that is used for by bedplate bracing piece top in corresponding the bedplate locating hole, the guide pin is along controlling the direction removal assembly on the bedplate, is provided with between guide pin and the bedplate and applies the back locating spring towards left direction effort to the bedplate.