CN111053661A

CN111053661A - Detachable multifunctional electric wheelchair bed

Info

Publication number: CN111053661A
Application number: CN202010020582.5A
Authority: CN
Inventors: 乔国朝; 袁浩然; 袁梦佳; 程昊天; 庞策; 方文俊; 肖志斌; 张争艳; 赵帆
Original assignee: Hebei University of Technology
Current assignee: Hebei University of Technology
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-04-24

Abstract

The invention discloses a detachable multifunctional electric wheelchair bed, which comprises a bed body and a wheelchair; the bed body comprises a frame, a bed board, a guide rail, a handrail, a track and wheels. The wheelchair body comprises a backrest, armrests, a folding table, a backrest electric push rod, a wheelchair seat plate, a wheelchair frame, a wheelchair base electric push rod, a leg supporting electric push rod, a foot connecting electric push rod, a leg supporting plate, a foot supporting plate and a chair wheel. A bed body and a wheelchair can be separated from each other. The functions of each part are realized by opening and closing the electromagnetic pin. The motor and the rod machine are supported by power, so that the wheelchair bed can be freely switched, and the functions of a nursing bed such as leg bending, back supporting and side turning and the like and the current diet function are realized. The multifunctional wheelchair bed can meet the daily behavior requirements such as supination, sitting-up, leg bending and left-right side turning and has the function of a wheelchair. After the wheelchair is separated from the nursing bed, the bed can still be used.

Description

Detachable multifunctional electric wheelchair bed

Technical Field

The invention belongs to the technical field of nursing equipment, and particularly relates to a detachable multifunctional electric wheelchair bed.

Background

The aging of the population of China is increasingly serious. Aging is characterized in that the physiological function of the old is obviously declined, the flexibility of the limbs is continuously reduced, and the personal self-care ability is increasingly poor, so that the nursing of the old is particularly important. The problem of nursing the old people in China is particularly severe, the whole society and the whole family bear great pressure, but the development of the nursing career of the old people in China is relatively lagged. How to help the old, especially the disabled to improve the quality of life and to satisfy the physiological and psychological needs is a social problem to be solved urgently at present. Therefore, the rehabilitation nursing auxiliary apparatus is very important in the current society.

Research on the field related to foreign rehabilitation and nursing aids is starting to develop earlier and has reached a certain level in the depth and technology of both wheelchairs and nursing beds. The rehabilitation nursing auxiliary appliance industry in China starts late, and has a large gap compared with the world advanced level.

The nursing beds on the market are mainly divided into two types. One is a medical care bed widely used in medical places, and the medical care bed has various functions, is expensive and large in occupied area, is mostly used as medical equipment and is widely popularized in the medical places; the second is a widely used mass-care bed, which can be used in both medical and home applications. This type of care bed has different functions for different needs and is often not of the same price.

The current nursing equipment in China is generally a simple nursing bed or a wheelchair, and few nursing equipment combining the wheelchair and the bed is available. When the nursing equipment is used, the assistance operation of outsiders is often needed, and simultaneously, great manpower resources are wasted.

The multifunctional nursing wheelchair bed can effectively solve the problems. The health-care tea is mainly used for facilitating living of the old, improving the living level of the old to the maximum extent and reducing the pressure of the young and the aged.

Disclosure of Invention

Based on the above content, in order to solve the above problems, the invention provides an innovative multifunctional detachable electric wheelchair bed by referring to most nursing products on the market, redesigning the internal structure and reasonably distributing.

The core of the invention is that the wheelchair and the nursing bed are combined into a detachable multifunctional electric wheelchair bed. The wheelchair can realize the functions of a wheelchair, daily life nursing, diet and the like. When the old person is in bed, the system can help the old person to finish the actions of lifting the back and falling the back according to the demand of the old person, and the actions of turning on the left side and the right side, bending and lifting the legs and lifting the hip. Various mechanisms help users to move their bodies and prevent bedsores, muscular atrophy, limb dysfunction and other diseases caused by long-term bed rest. In addition, the wheelchair is separated from the nursing bed to help the old people to go to the field and move, and meanwhile, the diet plate arranged beside the armrest can meet the requirement that the old people eat on the wheelchair.

The invention realizes the living function and comprises a back supporting mechanism, a side turning mechanism, a leg and hip lifting mechanism and a folding table mechanism.

The invention adopts the technical scheme that the detachable multifunctional electric wheelchair bed comprises a bed body and a wheelchair. It is characterized in that the preparation method is characterized in that,

the bed body comprises a frame, a bed board, a guide rail, a handrail, a track and wheels. The frame comprises a fixed frame and a movable frame. The fixed frame is provided with a guide rail which is respectively arranged on the bed head and the bed body. The bed head guide rail is arranged in the bed head groove. The fixed frame is provided with two electric push rods, including a back supporting electric push rod and a vertical electric push rod. The bottoms of the two push rods are hinged with the fixed frame to form a revolute pair. The fixed frame is provided with a back supporting push rod which is respectively hinged with the back supporting electric push rod head and the fixed frame to form a revolute pair. The other end of the back supporting push rod is provided with a roller which can slide on the backrest part of the wheelchair to form a moving pair. And a rail is arranged at the bottom of the fixed frame. The slide block in the movable frame is arranged in the guide rail and can slide in the guide rail to form a moving pair. Wheels are arranged at the bottom of the tail end of the movable frame and can transversely move on the ground to form a moving pair; eight bed boards are arranged on the frame and are not connected with the frame. Different bed plates are hinged to form a revolute pair. Electromagnetic pins are respectively arranged on the bed boards at the two sides. Two bed plates in the middle of the upper part are hinged with the vertical electric push rod head, and the bottom of the vertical electric push rod is hinged with the frame to form a revolute pair; the handrail consists of a cross rod and five vertical rods. The lower ends of the five vertical rods are hinged with the frame, and the upper ends of the five vertical rods are hinged with the cross rod to form revolute pairs. The tail ends of the cross rods are provided with locking and fixing devices, when the device is locked, the armrest parts are fixed with the bed body frame, and when the device is locked and unlocked, the hinged parts can rotate to realize the folding and unfolding of the armrests.

The wheelchair body comprises a backrest, armrests, a folding table, a backrest electric push rod, a wheelchair seat plate, a wheelchair frame, a wheelchair base electric push rod, a leg supporting electric push rod, a foot connecting electric push rod, a leg supporting plate, a foot supporting plate and a chair wheel.

The lower end of the backrest is hinged with the rear end of the wheelchair seat plate to form a revolute pair; the left side and the right side of the upper part of the chair seat board, which are close to the backrest, are symmetrically provided with backrest electric push rods for supporting the backrest board to perform 0-90-degree rotary motion, the rod bottom of each backrest electric push rod is hinged with the support, and the rod head of each backrest electric push rod is hinged with the chair seat board to form a revolute pair. The backrest plate is hinged with the armrests at the two sides to form a rotating pair to complete the front-back rotating motion of the armrests; the right handrail is hinged with the folding table to form a revolute pair, so that the unfolding and folding functions of the folding table are realized. The front end of the chair seat plate is hinged with the rear end of the leg supporting plate, and the front end of the leg supporting plate is hinged with the rear end of the foot supporting plate to form a revolute pair. The leg supporting plate is hinged with the leg supporting electric push rod head, the leg supporting electric push rod bottom is hinged with the seat base plate to form a revolute pair, and the leg supporting plate can realize 0-90-degree movement. The leg supporting plate and the foot supporting plate are hinged to form a revolute pair. The leg supporting plate is hinged with the bottom of the foot connecting electric push rod, and the foot connecting electric push rod head is hinged with the foot supporting plate to form a revolute pair so as to realize that the foot supporting plate is parallel to the ground. The lower end surface of the chair seat plate is connected with the wheelchair frame through four wheelchair base electric push rods. The electric push rod head of the wheelchair base is hinged with the chair seat plate, and the rod bottom of the electric push rod of the wheelchair base is hinged with the frame, so that the side turning of the wheelchair bed at 0-45 degrees is realized. The chair seat board realizes the fixation of the wheelchair through the wheelchair frame. 4 wheels are arranged below the wheelchair frame, and the wheels are provided with hub motors to realize the movement of the wheelchair. When the wheelchair is combined with or separated from the bed, the rails at the bottom of the fixed frame realize the positioning of the wheelchair.

A bed body and a wheelchair can be separated from each other. The functions of each part are realized by opening and closing the electromagnetic pin.

The key technology of the wheelchair is that the wheelchair bed is freely switched by taking the motor and the rod machine as power support, so that the functions of nursing beds such as leg bending, back supporting, side turning and the like and the current diet function are realized. The multifunctional wheelchair bed can meet the daily behavior requirements such as supination, sitting-up, leg bending and left-right side turning and has the function of a wheelchair. The wheelchair has the function of a wheelchair, and can also enable the old people who lie in a bed for a long time to walk, thereby achieving the purpose of psychology treatment. The wheelchair bed has simple mechanical structure design, low manufacturing cost and convenient maintenance. The wheelchair has short running time, and can reduce unnecessary time waste as much as possible while ensuring safety. Can be folded, and saves the occupied space of the wheelchair bed.

Compared with the prior art, this practical beneficial effect lies in:

1. the invention combines the bed body and the wheelchair, and the wheelchair and the bed can be separated and can be independently used as the wheelchair and the bed. Compared with the common wheelchair folding bed, the wheelchair has simpler structure and lighter weight when being used as a wheelchair, and is convenient for the old to live alone. When the bed is used as a bed, the use area is larger, and the comfort is higher.

2. According to the invention, after the wheelchair is separated from the bed, the two sides of the bed frame body are combined, and the bed frame can be independently used as the bed, so that the space is saved, and the bed frame has certain practicability.

3. The combination of the wheelchair and the bed and the back supporting and side turning functions of the wheelchair bed are realized by the switch of the electromagnetic control pin. When the four electromagnetic control pins are completely disconnected, the separation of the wheelchair from the bed or the function of supporting the back on the wheelchair bed can be realized. When the two electromagnetic pins are disconnected at the same side, the rollover function can be realized;

4. the realization of the back support function is realized by the wheelchair back support mechanism and the wheelchair bed back support mechanism together. The power is dispersed, the service life of the electric push rod is prolonged, and the reasonable arrangement of the power source space is realized;

5. the driving of the wheelchair is realized by a hub motor. The rear wheel directional power wheel, the front two wheels are universal wheels, and the omnidirectional movement on the plane can be realized by controlling the rotating speed difference of the rear two wheels;

6. the armrests on the two sides of the wheelchair bed are movable and turnable, so that the old can be protected and cared for;

drawings

FIG. 1 is a wheelchair bed assembly provided in an embodiment of the present invention

FIG. 2 is an isometric view of the bed body after the wheelchair is removed

Figure 3 is a side view of the wheelchair

FIG. 4 is a side view of the bed

Fig. 5 is a schematic view of the bed board

FIG. 6 is a front view of the armrest

FIG. 7 is a diagram of the position of the electromagnetic pin

In the figure: 1. a bed body; 2. a wheelchair body; 3. a bed body power source; 4, bed plates; 5, a handrail; 6 electromagnetic pin.

1.1, a hinge; 1.2, a head guide rail; 1.3, a bed frame body; 1.4, handrail vertical bars; 1.5, supporting rods; 1.6, a middle guide rail;

2.1, a backrest; 2.2, handrails; 2.3, a chair back electric push rod; 2.4, a chair seat; 2.5, the base supports the electric push rod; 2.6, supporting the electric push rod by the leg; 2.7, a base support rod; 2.8, wheels; 2.9, leg support plate; 2.10, the foot part is connected with an electric push rod; 2.11 foot support plate;

3.1, vertically driving the push rod; 3.2, supporting a back push rod; 3.3, supporting a back electric push rod;

4.1, a left plate; 4.2, a left second plate; 4.3, a left three-plate; 4.4, a right plate; 4.5, a right two-plate; 4.6 right three plates; 4.7.1, upper, middle and left plate; 4.7.2, upper, middle and right plates;

5.1, a vertical rod 1; 5.2, a vertical rod 2; 5.3, a vertical rod 3; 5.4, a vertical rod 4; 5.5, a vertical rod 5; 5.6, a cross bar;

6.1, a right electromagnetic pin; 6.2, a right two electromagnetic pins; 6.3, a left electromagnetic pin; 6.4, the left two electromagnetic pins.

Detailed Description

Specific examples of the present invention are given below. The specific examples are only intended to illustrate the invention in further detail and do not limit the scope of protection of the claims of the present application.

The utility model provides a detachable multifunctional electric wheelchair bed (refer to the wheelchair bed for short, see fig. 1-7), which comprises a bed body 1 and a wheelchair 2, wherein the middle part of the bed body 1 is provided with a space for accommodating the unfolding of the wheelchair, and the wheelchair can be moved out of the bed body 1 for independent use;

the bed body 1 comprises a bed frame body 1.3 with a bed head, a bed tail and a bed edge, a hinge 1.1, a head guide rail 1.2, a middle guide rail 1.6 and a middle bed frame support rod 1.5; bedstead body 1.3 passes through hinged joint by eight bed boards and forms, and bedstead body head middle-end passes through hinge 1.1 and connects, forms the revolute pair, and four pairs of steamboat are equipped with to bedstead body 1.3's afterbody, and bedstead body 1.3's middle part is passed through bracing piece 1.5 and guide rail 1.6 cooperation, and bedstead body 1.3 head and guide rail 1.2 cooperation form the sliding pair, realize bedstead 1.3's lateral sliding, and then accomplish the concatenation motion on bedstead body both sides.

The wheelchair body 2 includes: the wheelchair comprises a backrest 2.1, a wheelchair seat plate 2.2, a chair back electric push rod 2.3, a supporting seat plate 2.4, a base supporting electric push rod 2.5, a leg supporting electric push rod 2.6, a base supporting rod 2.7, wheels 2.8, a leg supporting plate 2.9, a foot connecting electric push rod 2.10 and a foot supporting plate 2.11.

The wheelchair body 2 is a cuboid frame structure, and the rear end of the wheelchair seat plate 2.4 is hinged with the lower end of the backrest 2.1; electric push rods 2.3 are symmetrically arranged at the left side and the right side of the upper part of the wheelchair seat plate 2.4 close to the backrest 2.1 and used for supporting the backrest plate 2.1 to perform 90-degree rotary motion, and meanwhile, the backrest plate 2.1 is hinged with the armrests 2.2 at the two sides to complete the front-and-back movement of the armrests; the front end of supporting bedplate 2.4 is articulated with the rear end of shank backup pad 2.9, shank backup pad 2.9 supports electric putter 2.6 with the shank again and is connected, shank support electric putter 2.6 is articulated with the wheelchair bedplate through the mount, realize shank backup pad 2.9's rotary motion, the front end of shank backup pad 2.9 is articulated with the rear end of foot backup pad 2.11, both connect electric putter 2.10 through the foot and connect rotation and the motion in order to realize the shank backup pad.

The bed body 1 and the wheelchair 2 form an overall structure of the bed, wherein the upper end of the bed body 1 rolls at a backrest 2.1 through a roller of a backrest push rod 3.2, and under the pushing of the backrest electric push rod 3.3, the backrest 2.1 rotates around a hinge in contact with the backrest 2.1 and a wheelchair seat plate 2.4, so that the backrest movement of 0-45 degrees is realized; the electric push rod 2.5 of the wheelchair base respectively takes hinges 6.1-6.4 at two sides of the bed body 1 connected with the wheelchair 2 as fulcrums to push the whole wheelchair to realize side turning movement; the end part of the bed body can pull the middle section hinge 1.1 of the end part of the bed body through the vertical electric push rod 3.1 to enable two edges of the bed body to slide along the slide rails 1.2 and 1.6, so that the bed body is combined.

The function realization principle is as follows:

when a user needs to turn over to the left side, the electric push rod 2.5 of the wheelchair base is started, meanwhile, the electromagnetic pins 6.1 and 6.2 are electrified and opened, the hinge fails, so that the seat plate 2.4 of the wheelchair backrest, the wheelchair backrest 2.1, the leg support plate 2.9 and the foot support plate 2.11 simultaneously rotate around the electromagnetic pin 6.3, the electromagnetic pin 6.4, the left plate 4.1 and the revolute pair formed by the wheelchair backrest 2.1, and the wheelchair seat plate 2.4 is connected with the rest plates in the middle of the bed, so that the whole body rotates towards one side, and the side turning is realized. When the automobile turns over to the right, the electromagnetic pin in the opposite direction is opened, and the realization principles are the same; when a user needs to sit up, the back supporting electric push rod 3.3 is started, meanwhile, the electromagnetic pins 6.1-6.4 are all opened, the electric push rod supports the back board 2.1 to be separated from the headboards 4.7.1 and 4.7.2, and the back board is slowly supported to help the user to sit up stably; when the bed is separated from the wheelchair, the four electromagnetic pins 6.1-6.4 at the position 2.1 of the backrest plate are opened, and the wheel hub motor drives the wheel 2.8 of the wheelchair to rotate, so that the bed is automatically separated from the wheelchair. The separated bed pulls the hinges formed by the headboards 4.7.1 and 4.7.2 through the vertical electric push rod 3.1, so that the headboards 4.7.1 and 4.2 rotate around the bed boards on the two sides respectively, the bed boards 4.1 and 4.4 are driven to move along the guide rails 1.2 and 1.6, the rest bed boards move along the guide rails through the hinge connection, and the bed boards on the two sides are combined, so that the space can be saved and the bed can be used as a single bed; when the user needs to adjust the angle of the backrest, the separated wheelchair starts the backrest supporting electric push rod 2.3, and the adjustment of the angle of the backrest plate 2.1 is realized through the control of the stroke of the electric push rod; when a user needs to adjust the legs, the leg support electric push rod 2.6 and the foot connection electric push rod 2.10 are started, so that the leg support 2.9 can rotate around the wheelchair seat 2.4, the foot support plate 2.11 rotates around the leg support plate 2.10, and the angle adjustment of the two plates is realized through the control of the stroke of the electric push rod; the folding plate 2.2 at one side of the wheelchair can rotate around the back plate 2.1 according to the requirement and turn to the front or the back of the wheelchair.

When a user needs to get off the bed, the switch lock of the handrail 6 is opened, the vertical rods 5.1-5.5 rotate around the rotating pair, and the horizontal rod 5.6 moves downwards in parallel to realize that the handrail falls down.

Nothing in this specification is said to apply to the prior art.

Claims

1. A detachable multifunctional electric wheelchair bed comprises a bed body and a wheelchair; it is characterized in that the preparation method is characterized in that,

the bed body comprises a frame, a bed board, a guide rail, a handrail, a track and wheels; the frame comprises a fixed frame and a movable frame; the fixed frame is provided with a guide rail which is respectively arranged on the bed head and the bed body; the bed head guide rail is arranged in the bed head groove; the fixed frame is provided with two electric push rods, including a back supporting electric push rod and a vertical electric push rod; the bottoms of the two push rods are hinged with the fixed frame to form a revolute pair; the fixed frame is provided with a back supporting push rod which is respectively hinged with the back supporting electric push rod head and the fixed frame to form a revolute pair; the other end of the back supporting push rod is provided with a roller which can slide on the backrest part of the wheelchair to form a moving pair; a track is arranged at the bottom of the fixed frame; the sliding block in the movable frame is arranged in the guide rail and can slide in the guide rail to form a moving pair; wheels are arranged at the bottom of the tail end of the movable frame and can transversely move on the ground to form a moving pair; eight bed boards are arranged on the frame and are not connected with the frame; different bed plates are hinged to form a revolute pair; electromagnetic pins are respectively arranged on the bed boards at the two sides; two bed plates in the middle of the upper part are hinged with the vertical electric push rod head, and the bottom of the vertical electric push rod is hinged with the frame to form a revolute pair; the handrail consists of a cross rod and five vertical rods; the lower ends of the five vertical rods are hinged with the frame, and the upper ends of the five vertical rods are hinged with the cross rods to form revolute pairs; the tail ends of the cross rods are provided with locking and fixing devices, when the device is locked, the armrest parts are fixed with the bed body frame, and when the device is locked and unlocked, the hinged parts can rotate to realize the folding and unfolding of the armrests;

the wheelchair body comprises a backrest, armrests, a folding table, a backrest electric push rod, a wheelchair seat plate, a wheelchair frame, a wheelchair base electric push rod, a leg supporting electric push rod, a foot connecting electric push rod, a leg supporting plate, a foot supporting plate and a wheelchair wheel;

the lower end of the backrest is hinged with the rear end of the wheelchair seat plate to form a revolute pair; the left side and the right side of the upper part of the chair seat board, which are close to the backrest, are symmetrically provided with backrest electric push rods for supporting the backrest board to perform 0-90-degree rotary motion, the rod bottom of each backrest electric push rod is hinged with the support, and the rod head of each backrest electric push rod is hinged with the chair seat board to form a revolute pair; the backrest plate is hinged with the armrests at the two sides to form a rotating pair to complete the front-back rotating motion of the armrests; the right armrest is hinged with the folding table to form a revolute pair, so that the unfolding and folding functions of the folding table are realized; the front end of the chair seat plate is hinged with the rear end of the leg supporting plate, and the front end of the leg supporting plate is hinged with the rear end of the foot supporting plate to form a revolute pair; the leg supporting plate is hinged with the leg supporting electric push rod head, the leg supporting electric push rod bottom is hinged with the seat plate to form a revolute pair, and the leg supporting plate can realize 0-90-degree movement; the leg supporting plate is hinged with the foot supporting plate to form a revolute pair; the leg supporting plate is hinged with the bottom of the foot connecting electric push rod, and the foot connecting electric push rod head is hinged with the foot supporting plate to form a revolute pair so as to realize that the foot supporting plate is parallel to the ground; the lower end surface of the chair seat plate is connected with the wheelchair frame through four wheelchair base electric push rods; the rod head of the electric push rod of the wheelchair base is hinged with the chair seat plate, and the rod bottom of the electric push rod of the wheelchair base is hinged with the frame, so that the side turning of the wheelchair bed at 0-45 degrees is realized; the chair seat board realizes the fixation of the wheelchair through the wheelchair frame; 4 wheels are arranged below the wheelchair frame, and the wheels are provided with hub motors to realize the movement of the wheelchair; when the wheelchair is combined with or separated from the bed, the track at the bottom of the fixed frame realizes the positioning of the wheelchair;

in the detachable wheelchair bed, the bed body is separable from the wheelchair; the functions of each part are realized by opening and closing the electromagnetic pin.

2. The detachable multifunctional electric wheelchair bed as claimed in claim 1, wherein the guide rail comprises a slider and a rail, the slider surrounds the rail, and the slider is connected with the movable frame.

3. A detachable multi-functional electric wheelchair bed as claimed in claim 1, wherein the folding table is connected to the wheelchair armrest, and the folding table is L-shaped and is unfolded to coincide with the armrest surface.

4. The detachable multifunctional electric wheelchair bed as claimed in claim 1, wherein the electromagnetic pin is disposed on the movable frame and is fixedly connected to the movable frame, the spring end of the electromagnetic pin has a smooth rod, the smooth rod connects the backrest and the bed board when the electromagnetic pin is powered off, and the smooth rod is disconnected when the electromagnetic pin is powered on.