CN210631416U

CN210631416U - Multifunctional wheelchair bed

Info

Publication number: CN210631416U
Application number: CN201920482804.8U
Authority: CN
Inventors: 楊国强; 李舟健; 冯亚磊; 李东坡; 黄仲羽
Original assignee: Guangdong Bozhilin Intelligent Technology Co ltd
Current assignee: Guangdong Bozhilin Intelligent Technology Co ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-05-29
Anticipated expiration: 2029-04-11

Abstract

The utility model relates to a multifunctional wheelchair bed, which comprises a bed body, a wheelchair and an anti-clamping device. The wheelchair is detachably mounted on the bed body. The wheelchair comprises a controller, armrests and a driving piece, wherein the driving piece is used for driving the armrests to lift, the controller is electrically connected with the driving piece, and the controller is used for controlling the driving piece to start and stop. Prevent pressing from both sides the device with controller electric connection, prevent pressing from both sides the device install in the bottom of handrail, prevent pressing from both sides the device and be used for detecting whether when the handrail descends with the bed body interferes. When driving piece drive handrail descends, because the handrail is located the wheelchair outside, the interval of handrail and the bed body is minimum, takes place to interfere with the bed body most easily, and whether anti-pinch device can detect when the handrail descends and can take place to interfere with the bed body to remind the user in time to avoid interfering the appearance of phenomenon, avoid this multi-functional wheelchair bed damaged, improve this multi-functional wheelchair bed's life.

Description

Multifunctional wheelchair bed

Technical Field

The utility model relates to a wheelchair bed technical field especially relates to a multifunctional wheelchair bed.

Background

The multifunctional wheelchair bed can be an integrated nursing bed which is operated by a passenger or a nursing person and consists of independent wheel type components with the functions of disassembly, deformation and movement and a main bed frame. The wheelchair bed integrated design mainly solves the moving problem of a person who is inconvenient to move, reduces the risk of falling down caused by manual carrying or autonomous getting off from a bed in the transfer process from the bed to the wheelchair before going to the toilet and going out, and simultaneously avoids the skin damage caused by the friction between a human body and an appliance in the moving process. On the basis of the bed chair deformation function, around the clinical rehabilitation nursing requirements of patients with half disability and disability, the automatic bed chair deformation, wheelchair motion control, back lifting, leg lifting and safety protection supporting functions are designed, so that the support is provided for reducing the labor intensity of nursing personnel, increasing the comfort of the nursing personnel and ensuring the safety of the nursing process.

In the traditional multifunctional wheelchair bed, after the wheelchair part is installed on the bed body part, when the back of the wheelchair sinks and lies down, the hands or feet of a user are easy to clamp when the armrests descend in the unfolding process of the wheelchair.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a multifunctional wheelchair bed, which can detect whether the armrest clamps the user when the armrest descends through the clamping prevention device, so as to prevent the user from being injured during the use process.

A multi-function wheelchair bed comprising:

a bed body;

the wheelchair is detachably mounted on the bed body and comprises a controller, armrests and a driving piece, the driving piece is used for driving the armrests to lift, the controller is electrically connected with the driving piece, and the controller is used for controlling the driving piece to start and stop; and

anti-pinch device, anti-pinch device with controller electric connection, anti-pinch device install in the bottom of handrail, anti-pinch device is used for detecting whether can press from both sides the user when the handrail descends.

In the multifunctional wheelchair bed, the wheelchair and the bed body are detachably spliced together. When the driving part drives the handrail to descend, the anti-pinch device detects whether the handrail can pinch a user when descending. If the hands or feet of the user are positioned between the handrail and the bed body, the anti-pinch device judges that the handrail can pinch the user, and the controller can control the driving piece to stop driving the handrail to descend, so that the user is prevented from being injured in the using process.

In one embodiment, the wheelchair includes a back assembly, a seat assembly, and a leg assembly, the armrest being mounted to the back assembly, the seat assembly being rotatably connected at one end to the back assembly and at the other end to the leg assembly.

In one embodiment, the armrest is further connected with the seat component through a link mechanism, a sliding groove is formed in the bottom of the armrest, the link mechanism extends into the sliding groove along with the armrest in the descending process, the anti-clamping device is a pressure sensor, and the pressure sensor is used for detecting sliding resistance of the link mechanism in the sliding groove.

In one embodiment, the back assembly comprises a back frame rotatably connected to the seat assembly, and the driving member is used for driving the back frame to rotate around the seat assembly;

and/or the leg component comprises a leg frame which is rotatably connected with the seat component and a leg electric push rod which is used for driving the leg frame, and the leg electric push rod is electrically connected with the controller.

In one embodiment, a control panel is disposed on the top of the armrest and electrically connected to the controller.

In one embodiment, the anti-pinch device is an anti-pinch switch, a camera device or an ultrasonic distance measuring device.

In one embodiment, the multifunctional wheelchair bed further comprises an alarm device, the alarm device is electrically connected with the controller, and when the anti-pinch device detects that the armrest descends and interferes with the bed body, the controller controls the alarm device to send out an alarm signal.

In one embodiment, the bed body comprises a support frame and docking mechanisms arranged on two sides of the support frame in a sliding manner, an accommodating space for accommodating the wheelchair is formed between the two docking mechanisms, and the docking mechanisms are detachably connected with the wheelchair.

In one embodiment, the supporting frame is provided with a sliding rail, and the docking mechanism is provided with a sliding block matched with the sliding rail.

In one embodiment, the wheelchair has a first position accommodated in the accommodating space and suitable for being spliced with the bed body and a second position drawn out of the accommodating space and separated from the bed body, and at least one of the docking mechanisms is provided with a limiting structure for limiting the wheelchair in the first position.

Drawings

Fig. 1 is a schematic view of the wheelchair bed in a first position of the wheelchair according to an embodiment of the present invention;

fig. 2 is a schematic view of the wheelchair bed in a second position in accordance with an embodiment of the present invention;

FIG. 3 is a schematic structural view of a wheelchair of the wheelchair bed shown in FIG. 2;

FIG. 4 is a left side elevational view of the wheelchair illustrated in FIG. 3;

FIG. 5 is a schematic structural view of an armrest of the wheelchair of FIG. 3;

fig. 6 is a schematic structural view of the bed body of the wheelchair bed shown in fig. 2.

100. The wheelchair comprises a bed body, 110, a supporting frame, 120, a docking mechanism, 121, a limiting structure, 122, a chute plate, 123, a guide pipe, 130, an accommodating space, 200, a wheelchair, 201, a driving piece, 210, an armrest, 211, a chute, 212, a control panel, 220, a back component, 221, a back frame, 230, a seat component, 240, a leg component, 241, a leg frame, 242, a leg electric push rod, 250, a connecting rod mechanism, 260, a sliding piece, 300, an anti-clamping device, 310, a pressure sensor, 400 and an alarm device.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only. In the present invention, the terms "first", "second" and "third" do not denote any particular quantity or order, but are merely used to distinguish names.

Referring to fig. 1 and 2, a multifunctional wheelchair bed includes a bed body 100, a wheelchair 200, and an anti-pinch device 300. The wheelchair 200 is detachably mounted to the bed 100. As shown in fig. 1, the wheelchair 200 and the bed 100 are spliced together. As shown in fig. 2, the wheelchair 200 is separated from the bed 100. Referring to fig. 3 and 4, the wheelchair 200 includes a controller, an armrest 210 and a driving member 201, the driving member 201 is used for driving the armrest 210 to ascend and descend, the controller is electrically connected to the driving member 201, and the controller is used for controlling the start and stop of the driving member 201. Anti-pinch device 300 and controller electric connection, anti-pinch device 300 install in the bottom of handrail 210, and anti-pinch device 300 is used for detecting whether can press from both sides the user when handrail 210 descends.

In the above multifunctional wheelchair bed, the wheelchair 200 and the bed body 100 are detachably coupled together. When the driving member 201 drives the handrail 210 to descend, the anti-pinch device 300 detects whether the handrail 210 descends to pinch a user. If the user's hands or feet are located between the armrest 210 and the bed 100, the anti-pinch device 300 determines that the armrest 210 is pinched by the user, and the controller controls the driving member 201 to stop driving the armrest 210 to descend, thereby preventing the user from being injured during the use process

In addition, because the handrail 210 is located the wheelchair 200 outermost side, the interval of handrail 210 and the bed body 100 is minimum, takes place to interfere with the bed body 100 most easily, and whether anti-pinch device 300 can detect when handrail 210 descends can take place to interfere with the bed body 100 to remind the user in time to avoid interfering the appearance of phenomenon, avoid this multi-functional wheelchair bed damaged, improve this multi-functional wheelchair bed's life. If the anti-pinch device 300 finds that the armrest 210 will interfere with the bed 100, the connection position between the wheelchair 200 and the bed 100 is not accurate or impurities are located between the armrest 210 and the bed 100, and the controller receives the interference signal of the anti-pinch device 300 and controls the driving member 201 to stop working. Then, the user or the caregiver can prevent the armrest 210 from interfering with the bed 100 by adjusting the position of the wheelchair 200 or taking out sundries.

Specifically, referring to fig. 3 and 4, the wheelchair 200 includes a back assembly 220, a seat assembly 230, and a leg assembly 240, the armrest 210 being mounted to the back assembly 220, the seat assembly 230 being rotatably connected at one end to the back assembly 220 and at the other end to the leg assembly 240. Therefore, the multifunctional wheelchair bed is convenient for users to sit up and lie down.

Further, referring to fig. 5, the armrest 210 is further connected to the seat assembly 230 through a link mechanism 250, and the bottom of the armrest 210 is provided with a sliding slot 211. The link mechanism 250 extends into the sliding groove 211 along with the descending process of the armrest 210, and the anti-pinch device 300 is a pressure sensor 310. The pressure sensor 310 is used to detect the sliding resistance of the link mechanism 250 in the slide groove 211. If the user is clamped or interfered with the bed 100, the handrail 210 encounters a sudden increase in resistance in the descending process, and at this time, the pressure sensor 310 can judge the smoothness of the descending of the handrail 210 by detecting the sliding resistance of the link mechanism 250 in the sliding groove 211, so as to know whether the handrail 210 is clamped or interfered with the bed 100.

Wherein the back assembly 220 comprises a back frame 221 rotatably connected to the seat assembly 230 and a driving member 201 for driving the back frame 221. The driving member 201 is electrically connected to the controller; and/or, the leg assembly 240 includes a leg frame 241 rotatably connected to the seat assembly 230 and a leg electric push rod 242 for driving the leg frame 241, and the leg electric push rod 242 is electrically connected to the controller. Thus, the controller can automatically control the turning of the back component 220 and the turning of the leg component 240, so that the user can control the wheelchair 200 to automatically adjust the lying posture and the sitting posture.

Further, referring to fig. 3, a control panel 212 is disposed on the top of the armrest 210, and the control panel 212 is electrically connected to the controller. The user can conveniently manipulate the multifunctional wheelchair bed through the control panel 212 located at the side of the armrest 210, including but not limited to the lifting of the armrest 210, the turning of the back assembly 220, the turning of the leg assembly 240, and the walking of the wheelchair 200.

Based on the aforementioned embodiments, with reference to fig. 4, the anti-pinch device 300 is an anti-pinch switch, a camera device or an ultrasonic ranging device. For example, the anti-pinch switch may be pressed against the user or an interfering structure, and the controller may control the driving member 201 to stop working. The camera device obtains whether the space between the armrest 210 and the bed 100 interferes or not by shooting, or finds whether the hands or feet of the user are between the armrest 210 and the bed 100 or not. Similarly, the ultrasonic ranging device can find whether the distance between the handrail 210 and the bed 100 is enough for the descending stroke of the handrail 210, so as to avoid the interference between the handrail 210 and the bed or the clamping of the handrail to the user.

On the basis of the foregoing embodiment, in conjunction with fig. 4, the multifunction wheelchair bed further includes an alarm device 400. Alarm device 400 and controller electric connection, after anti-pinch device 300 detects that handrail 210 descends and can take place to interfere with bed body 100, controller control alarm device 400 sends alarm signal, and the user of being convenient for in time learns the interference condition to in time get rid of the interference trouble. The alarm device 400 may be a sound, signal, or the like.

With reference to fig. 1, 2 and 6, the bed 100 includes a support frame 110 and docking mechanisms 120 slidably disposed at two sides of the support frame 110, an accommodating space 130 for accommodating the wheelchair 200 is formed between the two docking mechanisms 120, and the docking mechanisms 120 are detachably connected to the wheelchair 200. The docking mechanism 120 is slidably disposed on the supporting frame 110, and can change the size of the accommodating space 130 by sliding to match with wheelchairs 200 with different dimensions. Meanwhile, when the armrest 210 interferes with the bed 100, the user slides the docking mechanism 120 to appropriately enlarge the accommodating space 130, so as to prevent the armrest 210 from interfering with the bed 100.

Of course, after sliding on the supporting frame 110, the docking mechanism 120 can be detachably fixed on the supporting frame 110 by means of a buckle, a screw, or the like, so as to avoid sliding during use.

Optionally, the supporting frame 110 is provided with a sliding rail, and the docking mechanism 120 is provided with a sliding block matched with the sliding rail, so as to facilitate the docking mechanism 120 to slide on the supporting frame 110.

Wherein, the bottom of the supporting frame 110 is provided with casters, and the casters can drive the bed body 100 to move on the ground, so as to facilitate the transportation of the patient. Alternatively, in other embodiments, the bottom of the support frame 110 may be fastened to the ground by fasteners, such as anchor bolts, lock catches, etc., so as to reduce the relative displacement between the wheelchair 200 and the bed 100 and improve the stability of the docking process of the wheelchair 200 and the bed 100.

With reference to fig. 1, the wheelchair 200 has a first position accommodated in the accommodating space 130 and suitable for being spliced with the bed body 100, and with reference to fig. 2, a second position drawn out of the accommodating space 130 and separated from the bed body 100, the at least one docking mechanism 120 is provided with a limiting structure 121, and the limiting structure 121 is used for limiting the wheelchair 200 at the first position.

When the patient needs to go to the toilet or go out, the entire wheelchair 200 can be pulled out from the accommodating space 130 to the second position. When a patient needs to lie flat for rest, the wheelchair 200 can be pushed into the accommodating space 130, and when the wheelchair 200 moves to the first position, the limiting structure 121 on the docking mechanism 120 is matched with the wheelchair 200 to stop the movement of the wheelchair 200, so that when the back component 220 of the wheelchair 200 is laid flat, the wheelchair can be just spliced with the bed body 100 to form a complete nursing bed. Wherein, limit structure 121 can adopt spacing pipe, limiting plate etc. also can adopt other locking device to lock the wheelchair 200 spacing, as long as guarantee that the wheelchair 200 no longer removes after moving to the primary importance.

Further, two abutting mechanisms 120 are respectively provided with a limiting pipe. Thus, resistance can be formed on both sides of the wheelchair 200 for limiting, so that the wheelchair 200 can be rapidly stopped in the moving direction without being deviated to one side, and the splicing accuracy of the wheelchair 200 and the bed body 100 is further improved.

Specifically, the limiting pipe is provided with a buffer structure. The cushioning structure serves to cushion the touch of the wheelchair 200. Wherein, buffer structure is the cladding in spacing peripheral elastic buffer spare of pipe, for example any one in rubber, sponge and spring. Of course, other elastic buffering parts made of elastic materials can be adopted as long as the buffering effect can be achieved. In other embodiments, the buffer structure may also be a buffer, such as a hydraulic buffer or a spring buffer, disposed on the side of the limit pipe facing the wheelchair 200.

Referring to fig. 1 and 2, an opening for the wheelchair 200 to enter and exit is formed at one side of the accommodating space 130. The docking mechanism 120 is provided with a guide tube 123 near the opening. Preferably, the guide pipe 123 is a J-shaped pipe, an arc-shaped pipe. So, when wheelchair 200 docks with the bed body 100, on the one hand can make opening part width bigger to avoid docking mechanism 120's bight to take place to interfere with wheelchair 200 and influence the butt joint, on the other hand, the stand pipe 123 still can play certain guide effect, thereby can guarantee that wheelchair 200 can accurately move smoothly to the accommodation space 130 between two docking mechanism 120 in, realize the accurate butt joint with the bed body 100, effectively promote assembly efficiency.

Further, a chute plate 122 is fixed on one side of the two opposite binding structures, and a sliding member 260 is correspondingly fixed on both sides of the wheelchair 200. The sliding smoothness of the wheelchair 200 can be further improved by the sliding engagement of the two chute plates 122 with the two sliding members 260. Alternatively, the slide 260 is a ball bearing rotatably mounted to the wheelchair 200, the ball bearing being pivotable about a vertical axis. By providing ball bearings on the wheelchair 200, the ball bearings can rotate about vertical pivots while sliding in engagement with the chute plate 122, thus reducing frictional resistance between the slider 260 and the chute plate 122 and making movement of the wheelchair 200 smoother. Preferably, the wheelchair 200 is provided with a plurality of ball bearings on each side.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A multifunctional wheelchair bed, comprising:

a bed body;

2. The multi-function wheelchair bed of claim 1 wherein the wheelchair comprises a back assembly, a seat assembly and a leg assembly, the armrest being mounted to the back assembly, the seat assembly being rotatably connected at one end to the back assembly and at the other end to the leg assembly.

3. The multifunctional wheelchair bed of claim 2 wherein the armrest is further connected to the seat assembly by a linkage mechanism, the armrest has a sliding slot at a bottom thereof, the linkage mechanism extends into the sliding slot as the armrest descends, and the anti-pinch device is a pressure sensor for detecting a sliding resistance of the linkage mechanism in the sliding slot.

4. The multi-function wheelchair bed of claim 2 wherein the back assembly includes a back frame rotatably connected to the seat assembly, the drive member for driving the back frame to rotate about the seat assembly;

5. The multifunctional wheelchair bed of claim 4 wherein a control panel is disposed on the top of the armrest, the control panel being electrically connected to the controller.

6. The multifunctional wheelchair bed of claim 1 wherein the anti-pinch device is an anti-pinch switch, a camera device or an ultrasonic ranging device.

7. The multifunctional wheelchair bed of claim 1 further comprising an alarm device electrically connected to the controller, wherein the controller controls the alarm device to send an alarm signal when the anti-pinch device detects that the armrest is lowered and interferes with the bed body.

8. The multifunctional wheelchair bed as claimed in any one of claims 1 to 7, wherein the bed body comprises a support frame and docking mechanisms slidably disposed at two sides of the support frame, a receiving space for receiving the wheelchair is formed between the two docking mechanisms, and the docking mechanisms are detachably connected to the wheelchair.

9. The multifunctional wheelchair bed of claim 8 wherein the support frame is provided with a slide rail and the docking mechanism is provided with a slide block that mates with the slide rail.

10. The multifunctional wheelchair bed of claim 8 wherein the wheelchair has a first position received in the receiving space and adapted to be coupled to the bed, and a second position withdrawn from the receiving space and separated from the bed, and at least one of the docking mechanisms has a position-limiting structure for limiting the position of the wheelchair in the first position.