CN216876886U

CN216876886U - Disconnect-type wheelchair helping hand bed

Info

Publication number: CN216876886U
Application number: CN202123063043.9U
Authority: CN
Inventors: 郑德金; 王福强; 陆嘉杰; 韩亚威
Original assignee: Gebu Shanghai Technology Development Co ltd
Current assignee: Gebu Shanghai Technology Development Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-07-05
Anticipated expiration: 2031-12-07

Abstract

The utility model provides a separated wheelchair power-assisted bed, which comprises: a bed body; the wheelchair bed body is arranged in a wheelchair mounting groove on one side of the bed body and is combined with the bed body through a wheelchair positioning device to form a power-assisted bed, the wheelchair bed body comprises a wheelchair support, a wheelchair bed plate and a wheelchair posture changing mechanism, the wheelchair posture changing mechanism is arranged on the wheelchair support and is connected with the wheelchair bed plate, and the state of the wheelchair bed plate is changed through the wheelchair posture changing mechanism, so that the wheelchair bed body is changed into a wheelchair form or a bed body form. The power-assisted bed has a simplified overall structure, realizes posture switching and bed lifting by utilizing a simple connecting rod structure and manual rocker driving, optimizes the structure as much as possible on the basis of ensuring the functions, reduces the weight and the operation difficulty of the whole bed, integrates the lifting function, the wheelchair transfer function and the posture switching function of the bed into a whole, can meet most requirements of patients in hospital use, and is simple, effective and comfortable to operate.

Description

Disconnect-type wheelchair helping hand bed

Technical Field

The utility model belongs to the technical field of medical equipment, and particularly relates to a separated wheelchair power-assisted bed.

Background

The aging problem of the population in China will be more and more prominent, and the elderly, especially the elderly who cannot take care of themselves, need to be cared for more thoroughly and physically. Therefore, in recent years, various nursing bed products have appeared for nursing the elderly, particularly, a robot nursing bed of which a bed and a chair are separable. The nursing bed is deformed into a wheelchair structure by separating a part of the nursing bed, so that the conditions that the old is bedridden for a long time and is inconvenient to move are improved. However, the users of the nursing bed include not only the old people in the bed, but also nursing staff, the nursing bed products in the market are less considered for the users, in the using process, the operation processes of the current nursing bed in use and the separation of the bed and the chair are also more complicated, the labor intensity of the nursing staff is increased, meanwhile, for the patients suffering from upper limb or lower limb dysfunction, the wheelchair is needed to assist in moving before the patients completely recover, and a special nursing sickbed is needed to be used for getting up and leaning, and meanwhile, because the self-mobility of the patients is inconvenient, the conversion of the patients on the wheelchair and the sickbed needs certain assistance. Therefore, it is necessary to design an intelligent hospital bed integrating a nursing bed and a wheelchair, so that the patient can be conveniently switched between lying and sitting.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a separated wheelchair power-assisted bed, which comprises:

a bed body;

the wheelchair bed body is installed in the wheelchair mounting groove of bed body one side to through wheelchair positioner with the combination of bed body forms the helping hand bed, the wheelchair bed body includes wheelchair support, wheelchair bed board and wheelchair gesture conversion mechanism, wheelchair gesture conversion mechanism installs on the wheelchair support, and with the wheelchair bed board is connected, through wheelchair gesture conversion mechanism changes the state of wheelchair bed board, thereby will the wheelchair bed body transform forms wheelchair form or bed body form.

In one embodiment of the utility model, the wheelchair bed board comprises a back bed board, a hip bed board and a leg bed board, the back bed board is rotatably connected with the hip bed board and is positioned at one side of the hip bed board, and the leg bed board is rotatably connected with the hip bed board and is positioned at the other side of the hip bed board.

In an embodiment of the utility model, the wheelchair posture changing mechanism includes a second push rod, a first connecting rod, a second connecting rod and a supporting rod, the second push rod is fixedly installed on the wheelchair frame, the supporting rod is fixedly installed on one side of the wheelchair frame, one end of the first connecting rod is rotatably connected with the second push rod, the other end of the first connecting rod is connected with the second connecting rod, the first connecting rod is rotatably connected with the top of the supporting rod through a rotating shaft, and the second connecting rod is connected with the leg bed plate.

In an embodiment of the present invention, the wheelchair posture changing mechanism further includes a third connecting rod, a fourth connecting rod and a rotating shaft, one end of the third connecting rod is rotatably connected to one end of the first connecting rod, the other end of the third connecting rod is connected to the rotating shaft through a connecting member, one end of the fourth connecting rod is fixedly connected to the connecting member, and the other end of the fourth connecting rod is connected to the back bed plate.

In an embodiment of the present invention, an included angle is formed between the third connecting rod and the fourth connecting rod.

In one embodiment of the utility model, the device further comprises a rotating handle, the rotating handle is in transmission connection with the second push rod through a gear, the gear comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly connected with the rotating handle and is in meshing transmission with the second bevel gear, the second bevel gear is fixedly connected with an output shaft, and the output shaft is connected with the second push rod.

In one embodiment of the utility model, the bed body comprises a base, a support and a lifting mechanism, the lifting mechanism is installed between the base and the support, and both the base and the support are arranged in a concave structure.

In one embodiment of the utility model, the lifting mechanism comprises a first link mechanism and a first push rod, the link mechanism is mounted on both sides of the base and connected between the base and the bracket, and the first push rod is mounted on the base and connected with the link mechanism on one side of the base.

In an embodiment of the present invention, the first link mechanism includes a first rotating shaft, a first link, a second rotating shaft, and a second link, the first rotating shaft is rotatably connected to the base, one end of the first link is connected to the first rotating shaft, the other end of the first link is connected to the second rotating shaft, one end of the second link is connected to the second rotating shaft, the other end of the second link is fixedly connected to the bracket, and the first push rod is connected to the second rotating shaft.

In an embodiment of the utility model, a first wheelchair accommodating groove is formed in one side of the base, a second wheelchair accommodating groove is also formed in one side of the bracket, and the second wheelchair accommodating groove and the first wheelchair accommodating groove are located on the same side of the power assisting bed and are arranged in parallel to each other so as to accommodate the wheelchair bed body.

In one embodiment of the utility model, the wheelchair positioning device is installed on one side of the bracket in the bed body and is positioned at the bottom of the second wheelchair accommodating groove.

In one embodiment of the utility model, the wheelchair positioning device is provided in an electromagnet configuration.

The utility model provides a separated wheelchair power-assisted bed, which comprises a bed body and a wheelchair bed body which can be separated and combined, wherein the bed body is provided with a lifting mechanism and a side body mechanism, the lifting mechanism and the side body mechanism realize the lifting function and the side body function through simple connecting rod structures, the wheelchair bed body is provided with a wheelchair posture changing mechanism, the wheelchair posture changing mechanism changes the wheelchair bed body into a wheelchair shape and comprises a rising connecting rod mechanism and a leg lifting connecting rod mechanism for realizing the rising and leg lifting actions of a patient on a wheelchair, namely the whole structure of the power-assisted bed is simplified, the posture switching and the lifting of the bed are realized by utilizing the simple connecting rod structures and manual rocker driving, the structure is optimized as much as possible on the basis of ensuring the functions, the weight and the operation difficulty of the whole bed are reduced, and the side body function and the lifting function of the bed, the wheelchair transfer function and the posture switching function are integrated into a whole, the bed can meet most requirements of patients in use in hospitals, and is simple, effective and comfortable to operate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a separable wheelchair bed according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a bed body according to an embodiment of the utility model.

Fig. 3 is a schematic structural diagram of a lifting mechanism in the bed body according to an embodiment of the utility model.

Fig. 4 is a schematic structural diagram of a side body mechanism according to an embodiment of the utility model.

Fig. 5 is a schematic structural view of another angle of the side mechanism according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a bed body of a wheelchair according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a wheelchair bed plate in a wheelchair bed according to an embodiment of the present invention.

FIG. 8 is a schematic view of another angle of the bed of the wheelchair according to an embodiment of the present invention.

FIG. 9 is a schematic structural diagram of a wheelchair posture changing mechanism in a wheelchair bed according to an embodiment of the present invention.

FIG. 10 is a schematic view of another angle of the wheelchair posture changing mechanism in accordance with an embodiment of the present invention.

Description of reference numerals:

a booster bed 100; a bed body 10; a base 11; a universal wheel 111; a first wheelchair receiving channel 112; a lifting mechanism 12; a first rotating shaft 121; the first link 122; a second rotating shaft 123; a second link 124; a first push rod 125; a bracket 13; a bed plate 131; a second wheelchair receiving channel 132; a wheelchair positioning device 101; a cushion 102; a guard plate 103; a wheelchair bed 20; a wheelchair frame 21; a universal wheel 211; a wheelchair bed plate 22; a back bed plate 221; a hip bed plate 222; a leg bed plate 223; the first portion 2231; a second portion 2232; a second push rod 231; turning the handle 2313; a first bevel gear 2314; a second bevel gear 2315; an output shaft 2316; a first connecting rod 232; a second connection bar 233; a support bar 234; a third connecting rod 235; a fourth connecting rod 236; a connecting member 2361; a rotating shaft 237; the push handle 2211; a side body mechanism 30; a third push rod 31; a first side link 32; a first side body rotation shaft 33; a second side link 34; a hinge 301; a roller 341.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.

The utility model provides a separated wheelchair power-assisted bed, in order to solve the technical problems, specifically, as shown in fig. 1 to 10, in this embodiment, the power-assisted bed 100 includes a bed body 10, a wheelchair bed body 20 and a side body mechanism 30, the bed body 10 and the wheelchair bed body 20 are combined together to form the power-assisted bed 100, meanwhile, the wheelchair bed body 20 and the bed body 10 can be separated from each other, the separated wheelchair bed body 20 transforms the wheelchair bed body 20 into a wheelchair through a wheelchair posture transformation mechanism so as to move a patient, the bed body 10 includes a lifting mechanism 12, the lifting mechanism 12 is used for changing the height of the bed body 10, and the side body mechanism 30 is also installed on the bed body 10 and is used for assisting the patient to perform a side body action.

As shown in fig. 1 to 5, in the present embodiment, the bed body 10 includes a base 11, a lifting mechanism 12 and a bracket 13, specifically, universal wheels 111 are mounted at four corners of the bottom of the base 11 to facilitate movement of the power bed 100, in the present embodiment, the base 11 and the bracket 13 are, for example, configured in a shape like a Chinese character 'ao', that is, a first wheelchair accommodating groove 112 is disposed at one side of the base 11 to accommodate the wheelchair bed 20, the lifting mechanism 12 is mounted on the base 11, the bracket 13 is mounted on the lifting mechanism 12, a bed plate 131 is mounted on the bracket 13, and the height of the bracket 13 is changed by the lifting mechanism 12, so as to change the height of the bed plate 131 to achieve the lifting function of the power bed 100, it should be noted that, in the present embodiment, the same is provided with second wheelchair holding tank 132 on one side of support 13, second wheelchair holding tank 132 with first wheelchair holding tank 112 is located same one side of helping hand bed 100, and parallel arrangement each other, so that hold the wheelchair bed body 20, simultaneously, bed board 131 of installation covers on the support 13 on the opposite side on the support 13, cover promptly support 13 is last to be set up on one side of second wheelchair holding tank 132. In this embodiment, the bed board 131 is provided with a cushion 102 to improve the comfort of the patient.

As shown in fig. 1 to 5, in this embodiment, the lifting mechanism 12 includes a first link mechanism and a first push rod 125, the first link mechanism is installed on both sides of the base, and the first link mechanism is connected between the base 11 and the bracket 13, the first push rod 125 is installed on the base 11 and is connected to the link mechanism on one side of the base 11, specifically, the link mechanism includes a first rotating shaft 121, a first connecting rod 122, a second rotating shaft 123 and a second connecting rod 124, the first rotating shaft 121 is rotatably connected to the base 11, one end of the first connecting rod 122 is connected to the first rotating shaft 121, the other end of the first connecting rod 122 is connected to the second rotating shaft 123, one end of the second connecting rod 124 is connected to the second rotating shaft 123, the other end is fixedly connected to the bracket 13, the first push rod 125 is fixedly installed on the base 11, just the one end of first push rod 125 with second pivot 123 is connected, and is concrete, first push rod 125 with there is an contained angle between the base 11, just first push rod 125 includes first fixing base and first telescopic link, first fixing base fixed mounting be in on the base 11, the one end of first telescopic link with first fixing base swing joint, the other end with second pivot 123 fixed connection, through the flexible process of first telescopic link changes the height of support 13, thereby change the height of bed board 131.

As shown in fig. 1 to 5, in this embodiment, specifically, the first link mechanism is disposed between the base 11 and the bracket 13, and specifically, between two first rotating shafts 121, between two first links 122, between two second rotating shafts 123, and between two second links 124 in the link mechanisms on two sides of the base 11 are all disposed in parallel to each other, so as to ensure stability of the lifting process.

As shown in fig. 1 to 5, in this embodiment, the first push rod 125 is, for example, configured as a manual push rod, and controls the extending and retracting process of the first telescopic rod through a first rotating handle, specifically, when the first telescopic rod moves towards the inside of the first fixing seat, that is, when the first telescopic rod retracts into the inside of the first fixing seat, the first link 122 is pulled to move through the second rotating shaft 123, and at this time, the first link 122 rotates around the first rotating shaft 121, so as to increase the height of the top of the first link 122 from the bottom surface, that is, to raise the bracket 13; when the first telescopic rod moves to the outside of the first fixing seat, that is, when the first telescopic rod extends out from the inside of the first fixing seat, the second rotating shaft 123 pushes the first connecting rod 122 to move, and at this time, the first connecting rod 122 rotates around the first rotating shaft 121, so that the height of the top of the first connecting rod 122 from the bottom surface is reduced, that is, the bracket 13 is lowered, so that the height of the bed plate 132 is changed. Through manual push rod drives the parallelogram linkage that corresponds, can realize the lift of whole sick bed, and the nursing staff of being convenient for nurses the operation to the patient. It should be noted that, in some embodiments, the first push rod 125 may also be configured as an electric push rod.

As shown in fig. 1 and 6 to 10, in the present embodiment, the power assisting bed 100 includes a wheelchair bed body 20, and the wheelchair bed body 20 is mounted on one side of the bed body 10 and located at a first wheelchair receiving groove 112 on one side of the base 11 and a second wheelchair receiving groove 132 on one side of the bracket 13 to be assembled with the bed body 10 into a power assisting bed. In this embodiment, a wheelchair positioning device 101 is further installed on the power assisting bed 100, specifically, the wheelchair positioning device 101 is installed on one side of the bed body 10, specifically, on one side of the support 13 in the bed body 10, and is located at the bottom of the second wheelchair accommodating groove 132, in the process of combining the bed body 10 with the wheelchair bed 20, the wheelchair bed 20 is pushed up into the second wheelchair accommodating groove 132, and the wheelchair bed body 20 is positioned and installed on one side of the bed body 10 through interaction between the wheelchair bed body 20 and the wheelchair positioning device 101, so that the bed body 10 and the wheelchair bed 20 are fixedly installed together to form the power assisting bed 100.

As shown in fig. 1, 6 to 10, in this embodiment, the wheelchair positioning device 101 is, for example, an electromagnet structure, which is installed on one side of the bed body 10, and the wheelchair bed 20 and the bed body 10 are fixedly installed together through the magnetic attraction of the electromagnet structure, when the wheelchair bed 20 needs to be used, the electromagnet structure is powered on, so that the electromagnet structure makes the magnetic force of the electromagnet structure lose the magnetic attraction to the wheelchair bed 20, at this time, the wheelchair bed 20 and the bed body 10 can be separated from each other, and then the wheelchair bed 20 is transformed into a wheelchair form through a wheelchair posture transformation mechanism for use alone.

As shown in fig. 1 and 6 to 10, in the present embodiment, the wheelchair bed 20 includes a wheelchair frame 21, a wheelchair bed plate 22, and a wheelchair posture changing mechanism, and specifically, a plurality of universal wheels 211 are mounted on a bottom of the wheelchair frame 21 so as to facilitate movement of the wheelchair bed 20, the wheelchair bed plate 22 is mounted on the wheelchair frame 21, and the wheelchair posture changing mechanism is mounted on the wheelchair frame 21 and connected to the wheelchair bed plate 22, and changes a state of the wheelchair bed plate 22 by the wheelchair posture changing mechanism, thereby changing the wheelchair bed 20 into a wheelchair form or a bed form.

As shown in fig. 1 and 6 to 10, in the present embodiment, the wheelchair frame 22 includes a back frame plate 221, a hip frame plate 222, and a leg frame plate 223, the back frame plate 221 is rotatably connected to the hip frame plate 222 and is located at one side of the hip frame plate 222, and the leg frame plate 223 is rotatably connected to the hip frame plate 222 and is located at the other side of the hip frame plate 222.

As shown in fig. 1 and 6 to 10, in the present embodiment, the wheelchair posture changing mechanism includes a second link mechanism, a third link mechanism and a second push rod 231, wherein the second link mechanism is connected between the second push rod 231 and the leg bed plate 223, the third link mechanism is connected between the second push rod 231 and the back bed plate 221, specifically, the second link mechanism includes a first connecting rod 232, a second connecting rod 233 and a supporting rod 234, the third link mechanism includes a third connecting rod 235, a fourth connecting rod 236 and a rotating shaft 237, specifically, the second push rod 231 is fixedly installed on the wheelchair frame 21, the supporting rod 234 is fixedly installed on one side of the wheelchair frame 21, one end of the first connecting rod 232 is rotatably connected with the second push rod 231, specifically, the second push rod 231 includes a second fixing seat and a second telescopic rod, the second fixing base is fixedly mounted on the wheelchair support 21, one end of the second telescopic rod is movably connected with the second fixing base, the other end of the second telescopic rod is rotatably connected with one end of a first connecting rod 232, the other end of the first connecting rod 232 is connected with a second connecting rod 233, the first connecting rod 232 is rotatably connected with the top of a supporting rod 234 through a rotating shaft, and the second connecting rod 233 is connected with the leg bed board 223.

As shown in fig. 1, 6 to 10, in the present embodiment, the leg bed plate 223 includes a first portion 2231 and a second portion 2232, the first portion 2231 is located between the hip bed plate 222 and the second portion 2232, and the first portion 2231 is rotatably connected to the hip bed plate 222 and the second portion 2232, that is, the hip bed plate 222 and the second portion 2232 are respectively rotatably installed on two sides of the first portion 2231, and two ends of the second connecting rod 233 are respectively rotatably connected to the first portion 2231 and the second portion 2232.

As shown in fig. 1, 6 to 10, in this embodiment, when the second push rod 231 pushes the first connecting rod 232 to rotate along the direction X, the second connecting rod 233 is also driven to rotate along the direction X, so that the first portion 2231 rotates along the direction X, and at the same time, the second portion 2232 rotates along the direction X, so as to form a leg supporting structure of the wheelchair, at this time, the side of the hip bed plate 222 away from the first portion 2231 is slightly raised above the hip bed plate 222, so as to prevent the patient from sliding on the wheelchair, thereby causing danger.

As shown in fig. 1 and 6 to 10, in this embodiment, one end of the third connecting rod 235 is rotatably connected to one end of the first connecting rod 232, specifically, one end of the first connecting rod 232 close to the second telescopic rod is rotatably connected, the other end of the third connecting rod is connected to the rotating shaft 237 through a connecting piece 2361, one end of the fourth connecting rod 236 is fixedly connected to the connecting piece 2361, and the other end of the fourth connecting rod 236 is connected to the back bed plate 221.

As shown in fig. 1 and fig. 6 to fig. 10, in this embodiment, an included angle is formed between the third connecting rod 235 and the fourth connecting rod 236, and the included angle is preferably an acute angle, and when the second push rod 231 pushes the first connecting rod 232 to rotate along the direction X, both the third connecting rod 235 and the fourth connecting rod 236 rotate along the direction X, so as to push the back plate bed plate 221 to form a back structure of the wheelchair.

As shown in fig. 1, 6 to 10, in this embodiment, the second push rod 231 is a manual push rod, that is, the extension and retraction process of the second telescopic rod is controlled by a rotating handle 2313, specifically, the rotating handle 2313 is connected with the second push rod 231 through gear transmission, the gear comprises a first bevel gear 2314 and a second bevel gear 2315, the first bevel gear 2314 is fixedly connected with the rotating handle 2313 and is in meshing transmission with the second bevel gear 2315, the second bevel gear 2315 is fixedly connected with an output shaft 2316, the output shaft 2136 is connected with the second push rod 231, the extension and retraction process of the second telescopic rod is controlled by rotating the handle 2313 and utilizing the meshing transmission action between the first bevel gear 2314 and the second bevel gear 2315, and the axis of the rotating handle 2313 and the axis of the second push rod 231 are located in different directions, the first bevel gear 2314 and the second bevel gear 2315 form a reversing mechanism, the motion of the manual push rod is converted by 90 degrees through the reversing mechanism, a user can conveniently operate the mechanism from the side surface, the conversion between the lying posture and the sitting posture of the wheelchair is realized, the specific realization mode is that the motion of the manual push rod drives a rising connecting rod mechanism and a leg lifting connecting rod mechanism in the wheelchair posture conversion mechanism to realize the rising and leg lifting actions of the patient on the wheelchair, and when the manual push rod moves to the maximum position, the lying posture of the patient can be realized. In some embodiments, the fourth connecting rod 236 is a unitary structure with the connecting member 2361. In this embodiment, a push handle 2211 is provided at the bottom of the back bed plate 221, and after the wheelchair bed 10 is converted into a wheelchair by the wheelchair posture conversion mechanism, the wheelchair can be pushed by the push handle 2211 to move.

As shown in fig. 1, 4 and 5, in this embodiment, the power-assisted bed 100 further includes a side body mechanism 30 for assisting a patient to perform a side body action, specifically, the side body mechanism 30 includes, in addition to the above-mentioned support 11 and the bed plate 131, a third push rod 31 and a fourth link mechanism, the fourth link mechanism is connected between the third push rod 31 and the bed plate, specifically, the fourth link mechanism includes a first side body link 32, a first side body rotating shaft 33 and a second side body link 34, wherein one side of the bed plate 131 is rotatably connected with the support 11, specifically, one side of the bed plate 131 close to the wheelchair bed 20 is rotatably connected with the support 11 through a hinge 301, the third push rod 31 is installed at the bottom of the support 11 and is connected with one end of the first side body link 32, and the other end of the first side body link 32 is connected with the first side body rotating shaft 33, and one end of the second side body connecting rod 34 is connected with the first side body rotating shaft 33, and the other end is in contact with the bottom of the bed plate 131, and in this embodiment, an included angle is formed between the first side body connecting rod 32 and the second side body connecting rod 34, and the included angle is preferably an acute angle.

As shown in fig. 1, 4 and 5, in the present embodiment, during the sidecar process, the third push rod 31 pulls the first side body link 32, so that the first side body link 32 and the first side body pivot 33 rotate around the axis of the first side body pivot 33 in a first direction, and thus the second side body link 34 is driven to rotate together, so that the bed plate 131 rotates around the hinge 301, so that the side of the bed plate 131 away from the hinge 301 is lifted, the sidecar action is completed, and when it is required to lay flat, the first side body link 32 is pushed by the third push rod 31, so that the first side body link 32 and the first side body pivot 33 rotate around the axis of the first side body pivot 33 in the opposite direction of the first direction, so that the second side body link 34 is driven to rotate together, and thus the bed plate 131 rotates around the hinge 301, and one side of the bed board 131 far away from the hinge 301 is lowered, so that the bed board 131 is laid flat.

As shown in fig. 1, 4 and 5, in this embodiment, an end of the first side body link 32, which is far away from the second side body link 34, is in contact with a side of the bed plate 131, which is far away from the hinge 301, and a roller 341 is installed at an end of the second side body link 34, which is in contact with the bed plate 131, so that the friction force between the second side body link 34 and the bed plate 131 is reduced in the process of pushing the bed plate 131 to rotate by the second side body link 34. In this embodiment, the wheelchair bed plate 22 is also provided with a cushion 102 to improve comfort for the patient.

As shown in fig. 1 to 10, in this embodiment, a guard plate 103 is installed on three sides of the bed body 10 except for one side for installing the wheelchair bed body 20 to protect a patient, and guard plates 103 are also installed on two sides of the wheelchair bed body 20 to protect the patient, in the process of combining the wheelchair bed body 20 with the bed body 10, the guard plate on one side of the wheelchair bed body 20 is firstly put down and then combined with the bed body 10, so that the guard plates are all arranged around the power-assisted bed 100, that is, four universal casters are arranged at the bottom of the wheelchair bed body 10, the wheelchair is pushed by the push handle 2211, the omni-directional movement of the wheelchair can be realized, the guard plates on two sides of the wheelchair bed body 10 can protect the patient from falling down from the side, when the wheelchair is combined with the bed, the guard plate on one side of the wheelchair bed body 10 is put down, and the guard plate on the other side is used as a part of the guard plate of the power-assisted bed 100, to achieve a protective effect on the patient.

The utility model provides a separated wheelchair power-assisted bed, which comprises a bed body and a wheelchair bed body which can be separated and combined, wherein the bed body is provided with a lifting mechanism and a body-side mechanism, the lifting mechanism and the body-side mechanism realize the lifting function and the body-side function through simple connecting rod structures, the wheelchair bed body is provided with a wheelchair posture changing mechanism, the wheelchair posture changing mechanism changes the wheelchair bed body into a wheelchair shape and comprises a body-rising connecting rod mechanism and a leg-lifting connecting rod mechanism for realizing the body-rising and leg-lifting actions of a patient on a wheelchair, namely the whole structure of the power-assisted bed is simplified, the posture switching and the lifting of the bed are realized by using the simple connecting rod structures and manual rocker driving, the structure is optimized as much as possible on the basis of ensuring the functions, the weight and the operation difficulty of the whole bed are reduced, and the body-side function and the lifting function of the bed, the wheelchair transfer function and the posture switching function are integrated into a whole, the bed can meet most requirements of patients in use in hospitals, and is simple, effective and comfortable to operate.

The above description is only a preferred embodiment of the present application and an explanation of the technical principle applied, and it should be understood by those skilled in the art that the scope of the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features, for example, the technical solutions formed by mutually replacing the above technical features (but not limited to) having similar functions disclosed in the present application, without departing from the inventive concept.

Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.

Claims

1. A split wheelchair power assisted bed, comprising:

a bed body;

2. The split wheelchair power assist bed of claim 1, wherein the wheelchair bed deck includes a back deck, a hip deck, and a leg deck, the back deck rotationally connected with the hip deck and located on one side of the hip deck, the leg deck rotationally connected with the hip deck and located on the other side of the hip deck.

3. The split wheelchair power assisted bed of claim 2, wherein the wheelchair posture changing mechanism comprises a second push rod, a first connecting rod, a second connecting rod and a supporting rod, the second push rod is fixedly mounted on the wheelchair support, the supporting rod is fixedly mounted on one side of the wheelchair support, one end of the first connecting rod is rotatably connected with the second push rod, the other end of the first connecting rod is connected with the second connecting rod, the first connecting rod is rotatably connected with the top of the supporting rod through a rotating shaft, and the second connecting rod is connected with the leg bed board.

4. The split wheelchair power assisted bed of claim 3, wherein the wheelchair posture changing mechanism further comprises a third connecting rod, a fourth connecting rod and a rotating shaft, one end of the third connecting rod is rotatably connected with one end of the first connecting rod, the other end of the third connecting rod is connected with the rotating shaft through a connecting piece, one end of the fourth connecting rod is fixedly connected with the connecting piece, and the other end of the fourth connecting rod is connected with the back bed plate.

5. The split wheelchair power assisted bed of claim 4 wherein the third connecting bar forms an angle with the fourth connecting bar.

6. The split wheelchair power assisted bed of claim 3, further comprising a rotation handle, wherein the rotation handle is in transmission with the second push rod through a gear, the gear comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly connected with the rotation handle and in meshing transmission with the second bevel gear, the second bevel gear is fixedly connected with an output shaft, and the output shaft is connected with the second push rod.

7. The separated wheelchair power-assisted bed as claimed in claim 1, wherein the bed body comprises a base, a support and a lifting mechanism, the lifting mechanism is installed between the base and the support, and the base and the support are both arranged in a concave structure.

8. The split wheelchair power assisted bed of claim 7, wherein the lifting mechanism comprises a first linkage mechanism and a first push rod, the first linkage mechanism is mounted on both sides of the base and connected between the base and the support, and the first push rod is mounted on the base and connected with the first linkage mechanism on one side of the base.

9. The split wheelchair power assisted bed of claim 8, wherein the first link mechanism comprises a first rotating shaft, a first link, a second rotating shaft and a second link, the first rotating shaft is rotatably connected with the base, one end of the first link is connected with the first rotating shaft, the other end of the first link is connected with the second rotating shaft, one end of the second link is connected with the second rotating shaft, the other end of the second link is fixedly connected with the support, and the first push rod is connected with the second rotating shaft.

10. The separated wheelchair power assisting bed as claimed in claim 7, wherein a first wheelchair accommodating groove is formed in one side of the base, a second wheelchair accommodating groove is also formed in one side of the support, and the second wheelchair accommodating groove and the first wheelchair accommodating groove are located on the same side of the power assisting bed and are arranged in parallel to each other so as to accommodate the wheelchair bed body.

11. A split wheelchair power assisted bed as claimed in claim 10 in which the wheelchair locating means is mounted in the bed body on one side of the frame and at the bottom of the second wheelchair receiving channel.

12. A split wheelchair power assisted bed as claimed in claim 1 in which the wheelchair locating means is provided as an electromagnet arrangement.