KR20210041252A - A bed device having a detachable wheelchair module - Google Patents

Abstract

The present invention relates to an electric bed having a detachable wheelchair module to enable a user who sits on a wheelchair module to easily move to a bed. According to the present invention, the electric bed comprises a bed module and a wheelchair module. The bed module includes a bed unit formed to be elongated and partially tilted in the vertical direction, and a frame unit supporting the bed unit at a predetermined height. The wheelchair module includes: a seating unit elongated to be partially tilted in the vertical direction; a support unit having a plurality of moving wheels and supporting the seating unit at a predetermined height; and a tilting adjustment unit connected to the seating unit in the support unit, and selectively adjusting the tilting of the seating unit to transform the seating unit into a substantially horizontal first shape or a wheelchair-type second shape to be optionally coupled to the bed module. The wheelchair module is arranged parallel to the bed module in the first shape to be coupled in the width direction and form a bed together with the bed module.

Description

Electric bed with detachable wheelchair module {A bed device having a detachable wheelchair module}

The present invention relates to an electric bed, by changing the posture while the user is on the wheelchair module and installing it on the bed module, a detachable wheelchair that can be used as a bed by being combined with a bed module while riding in a wheelchair without the need to move separately It relates to an electric bed with a module.

In the case of caregivers who cannot take a bath on their own, such as the elderly, severely ill caregivers, and the disabled, they take a bath with the help of the caregiver. In recent years, due to the increase in the elderly population, the number of caregivers who lie on the bed or have difficulty moving on their own is increasing, so the work of caregivers is increasing, and accordingly, various devices to improve the convenience of caregivers and caregivers, etc. Is being introduced

Among these devices, a wheelchair is a mobility aid for helping the disabled, patients, or the elderly with disabilities to move comfortably.

Such a wheelchair is composed of a seat, a backrest, and wheels mounted on both sides of the seat, and a manual wheelchair is widely used where the occupant rotates the wheel directly by hand or an assistant moves by holding a handle from the back.

Recently, a lot of wheelchair modules that do not require manual wheel movement have been developed, and various products have been released and sold.

Wheelchair modules generally drive wheels using a motor, and wheelchairs in the form of moving have the advantage of making it convenient for the handicapped, the patient, or the elderly with disabilities to move.

However, in the case of a device for the purpose of simply moving, it is easy for a user with discomfort to move, but there is a problem in that it is inconvenient to use an additional toilet or move to a bed.

In particular, in the case of severely handicapped or the elderly, it is difficult to get on and off a wheelchair, and due to this difficulty, there is an inconvenience that a caregiver must always wait around.

Of course, the conventionally developed electric wheelchair can solve the inconvenience of the user's movement to some extent, but there is a need to develop a technology capable of solving problems such as stable posture change and movement to the bed.

The present invention is an invention conceived in order to solve the problems of the prior art described above, and a detachable wheelchair that can be installed and used directly in the bed module without separate movement when the user adjusts the posture in the wheelchair module according to convenience, and when moving to the bed It is to provide an electric bed with a module.

The problems of the present invention are not limited to the problems mentioned therein, and other problems that are not mentioned will be clearly understood by those skilled in the art from the following description.

The electric bed having a detachable wheelchair module of the present invention for achieving the above object includes a bed module including a frame unit supporting the bed unit at a certain height, a seating unit that is formed long and tilts in a vertical direction, and a plurality of A support unit having a moving wheel and supporting the seating unit at a certain height, and connected to the seating unit in the support unit, and a first type or wheelchair in which the seating unit is substantially horizontal by selectively adjusting the tilting of the seating unit Including a tilting control unit that transforms into a second shape of the type, and a wheelchair module optionally coupled to the bed module, wherein the wheelchair module is arranged in parallel with the bed module in the first shape along the width direction. It is fastened and characterized in that it constitutes a bed together with the bed module.

In addition, the bed unit is configured to be tiltable with the first backrest portion for supporting the user's back portion, one side is coupled to the first central support portion supporting the user's buttocks and the first central support portion It includes a first lower support portion supporting the lower body of the user, and at least one or more may be independently tilted.

In addition, the bed module may further include a first angle adjusting unit provided in the frame unit to adjust the tilting angle of the first backrest part.

In addition, the bed module may further include a second angle adjusting unit provided in the frame unit to adjust a tilting angle of the first lower support part.

In addition, the frame unit has a width of one side and the other side along the length direction is relatively larger than that of the bed unit, and when the wheelchair module is coupled to the bed module, at least a portion of the frame unit is inserted and supported under the seating unit. It can be characterized by that.

In addition, the bed module further includes a separate height adjustment unit provided in the frame unit to selectively elevate and lower the bed unit, and fastened with the wheelchair module in a state in which the bed unit is lowered by the height adjustment unit. Or it may be configured to be separable.

In addition, the bed module may further include a separate sensing unit provided in at least one of the wheelchair modules or for detecting whether the bed module and the wheelchair module are coupled.

In addition, the sensing units may be spaced apart from each other and protrude in the transverse direction, and may be pressed when the bed module and the wheelchair module are combined.

In addition, the seating unit is coupled to a second backrest portion supporting the user's back portion, a second central supporting portion supporting the user's buttocks and the second central supporting portion by being configured to tilt one side with the second backrest portion. It may include a second lower support portion for supporting the lower body of the user.

In addition, the tilting control unit has a first rotation shaft in the support unit, one side has a first link in contact with the lower surface of the second backrest portion, a second link provided in the support unit having a second rotation shaft, is formed long The middle portion is fixedly coupled to one side of the second link, and both ends contact the lower surfaces of the second central support and the second lower support, respectively, and a third link that tilts and connects the first link and the other side of the second link. Thus, it may include a connection link to be tilted at the same time.

In addition, the tilting control unit may further include a tilting power unit connected to at least one of the first link to the third link to provide power by a user's manipulation.

In addition, the tilting control unit may further include a separate operation unit provided on the seating unit or the support unit to control whether or not the tilting control unit is operated.

In addition, the bed unit, the bed unit, further includes a separate cover portion protruding in a transverse direction from a lower surface of the first backrest portion, and the cover portion is the second backrest portion when the bed module and the wheelchair module are combined. While supporting the lower surface, it is possible to block the exposure of the manipulation unit.

In addition, the seating unit is formed to be elongated along the longitudinal direction on the lower surface of the second backrest, so that one end of the first link is seated and a sliding guide is formed, and the sliding guide has an open end portion along the length direction. Thus, the first link may be configured to be detachable while the second backrest part is horizontal.

In addition, the bed unit is provided on the lower surface of the first backrest part, at least partially protrudes in the transverse direction, contacts the lower surface of the second backrest part, and supports the lower part of the second backrest part when the first backrest part is tilted. It may further include a separate first protruding frame to be tilted.

The electric bed having the detachable wheelchair module of the present invention for solving the above problems has the following effects.

First, there is an advantage that the wheelchair module is equipped with a wheelchair module and a separate bed module, so that the wheelchair module can change its posture, and by being mounted on the bed module, the user can be seated on the bed module while seated in the wheelchair module and used as a bed.

Second, the seating unit provided in the wheelchair module and the bed unit provided in the bed module have the advantage that the tilting angle is simultaneously adjusted by the bed unit in a state in which they are connected to each other.

Third, when the wheelchair module and the bed module are combined, an operation unit that transforms the shape of the wheelchair module is blocked by the cover part, thereby preventing only the wheelchair module from being unintentionally tilted.

The effects of the present invention are not limited to the effects mentioned therein, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a view schematically showing the configuration of an electric bed according to the present invention;
Figure 2 is a view showing a state in which the wheelchair module is separated from the electric bed of Figure 1;
Figure 3 is a view showing the internal configuration of the bed module and the wheelchair module in the electric bed of Figure 2;
4 is a view showing a state in which the bed unit and the seating unit are interlocked and tilted in the electric bed of FIG. 1;
5 is a diagram showing a state in which the bed unit is lowered in the electric bed of FIG. 1
6 and 7 are views showing a state in which the height adjustment unit is operating;
8 is a view showing a state in which the wheelchair module of FIG. 1 is separated from the bed module in a horizontal state;
9 is a view showing a state in which the operation unit is exposed to the outside in the electric bed of FIG. 1;
Figure 10 is a view showing the configuration of a wheelchair module in the electric bed of Figure 1;
11 is a view schematically showing the tilting control unit of FIG. 10;
12 is a view showing a state in which the wheelchair module of FIG. 10 is deformed into a first form; And
13 is a view showing a state in which the tilting control unit of FIG. 12 is operated.

Hereinafter, preferred embodiments of the present invention in which the object of the present invention can be realized in detail will be described with reference to the accompanying drawings. In the description of the present embodiment, the same names and the same reference numerals are used for the same components, and additional descriptions thereof will be omitted.

First, a schematic configuration of an electric bed according to the present invention will be described with reference to FIGS. 1 to 4.

1 is a view schematically showing the configuration of the electric bed according to the present invention, FIG. 2 is a view showing a state in which the wheelchair module is separated from the electric bed of FIG.

And Figure 3 is a view showing the internal configuration of the bed module and the wheelchair module in the electric bed of Figure 2, Figure 4 is a view showing a state in which the bed unit and the seating unit are interlocked and tilted in the electric bed of Figure 1;

The electric bed according to the present invention largely includes a wheelchair module 200 and a bed module 100, and the wheelchair module 200 is transformed into a bed shape and combined with a separate bed module 100 so that the user is seated in a wheelchair. Make sure the bed is available.

Specifically, the bed module 100 according to the present invention is largely a bed unit 110, a frame unit 120, a first angle adjustment unit 130, a second angle adjustment unit 140, and a height adjustment unit 150. Includes.

The bed unit 110 has a configuration in which the user is seated on an upper surface to perform the role of a bed, and is formed to be elongated and at least partially tilts in the vertical direction. At this time, it is possible to adjust the user's posture by supporting the user's body and tilting in the vertical direction.

In the present invention, the bed unit 110 is composed of a plurality of members, each of which is connected in succession along the length direction and is configured to be independently tiltable. Accordingly, some of the plurality of members of the bed unit 110 may be tilted so that the user can take various postures.

In this embodiment, the bed unit 110 has a first backrest part 112 that supports the user's back, and one side is configured to be tiltable with the first backrest part 112 to support the user's buttocks. It includes a central support portion 113 and a first lower support portion 114 coupled to the first central support portion 113 to support the lower body of the user, and at least one of them independently tilts.

In addition, the user is seated on the upper surface of the bed unit 110 and tilts around the first central support part 113.

Referring to the illustrated drawings, the first backrest part 112 is composed of one member, and the first lower support part 114 is composed of two members to support the thigh and the calf, respectively. In this way, the bed unit 110 is composed of a plurality of members and is each tilted to support the user's back and legs and adjust the posture at the same time.

Meanwhile, the frame unit 120 is provided under the bed unit 110 to support the bed unit 110 at a predetermined height, and is configured by combining a plurality of frames.

Specifically, the frame unit 120 has a rectangular shape as shown and is provided in the first frame 122 provided under the first backrest part 112, and provided under the first central support part 113. A support frame supporting the second frame 123, the third frame 124 provided under the first lower support portion 114, and the first frame 122 to the third frame 124 at a predetermined height Includes 125.

At this time, in the frame unit 120, the width of one side and the other side along the length direction is formed relatively larger than the width of the bed unit 110, so that when the wheelchair module 200 is combined with the private bed module 100, some Is inserted into the lower portion of the wheelchair module 200 to support it.

That is, the frame unit 120 is formed such that the first frame 122 and the third frame 124 have a relatively larger width than the width of the bed unit 110, and the second frame ( 123) is formed to have a width corresponding to the width of the bed unit 110.

Accordingly, between the first frame 122 and the third frame 124 is recessed in the width direction, and the support unit 220 is seated when the wheelchair module 200 to be described later is coupled. Here, the first frame 122 to the third frame 124 are integrally formed, and are formed in the form of ``.

In addition, the support frame 125 supports all of the lower portions of the first frame 122, the second frame 123, and the third frame 124.

In this way, the frame unit 120 includes the first frame 122, the second frame 123, the third frame 124 and the support frame 125, and the bed unit 110 At the same time, a part of the wheelchair module 200, which will be described later, is supported together.

Meanwhile, the first angle adjustment unit 130 is provided in the frame unit 120 to adjust the tilting angle of the first backrest part 112.

Specifically, the first angle adjustment unit 130 is formed to be elongated along the longitudinal direction of the frame unit 120 so as to be rotatably coupled, and when one side contacts the lower surface of the first backrest part 112, the elevating time is It includes a backrest adjustment link 132 and a first driving unit 134 connected to the backrest adjustment link 132 to provide power.

In addition, the first driving part 134 is operated to rotate the backrest adjusting link 132, so that the tilting angle of the first backrest part 112 is adjusted.

On the other hand, the second angle adjustment unit 140 is formed to be elongated and selectively rotates and is connected to the lower adjustment link 142 and the lower adjustment link 142 for adjusting the angle of the first lower support portion 114 to generate power. It includes a second driving unit 144 to provide.

The lower adjustment link 142 is provided under the first lower support portion 114 separately from the backrest adjustment link 132 to selectively tilt and tilt the first lower support portion 114.

As described above, each of the first angle adjustment unit 130 and the second angle adjustment unit 140 is provided on the frame unit 120 and selectively includes the first backrest part 112 and the first lower support part ( Adjust the angle of 114).

The height adjustment unit 150 is provided in the frame unit 120 to selectively adjust the elevation of the bed unit 110.

Specifically, the height adjustment unit 150 includes a connection frame 152 provided in the vertical direction from the support frame 125 and a third driving unit 154 for rotating the connection frame 152.

Referring to the illustrated drawing, the connection frame 152 protrudes downward from the first frame 122 or the third frame 124 and is coupled to the support frame 125. At this time, the connection frame 152 is configured to be partially rotatable, and the height in the vertical direction is adjusted according to the rotation angle.

In this embodiment, the connection frame 152 is composed of a pair and provided on one side and the other side along the length direction of the frame unit 120, respectively, and a part of the connection frame 152 rotates up and down by the drive of the third driving unit 154. The height is adjusted. And, the connection frame (152)

Accordingly, the height adjustment unit 150 operates to adjust the distance between the first frame 122, the second frame 123, and the third frame 124 and the support frame 125, Accordingly, the upper and lower heights of the bed unit 110 can be adjusted. In addition, the bed unit 110 is configured to be fastened or separated from the wheelchair module 200 to be described later in a lowered state by the height adjustment unit 150.

As described above, the bed module 100 according to the present invention includes the bed unit 110, the frame unit 120, the first angle adjustment unit 130, the second angle adjustment unit 140, and the height adjustment unit. Including 150, the wheelchair module 200 to be described later is configured to be inserted and mounted between the first frame 122 and the third frame 124.

On the other hand, the wheelchair module 200 is configured independently of the bed module 100, the user is seated on the upper surface, and selectively operated to form a horizontal bed-type first form or wheelchair-type second form It can be transformed. And, the wheelchair module 200 is coupled by approaching in the width direction of the bed module 100 in the first form.

Specifically, the wheelchair module 200 is changed to one of the first form and the second form by the operation of the seating unit 210 so that the user can control the posture according to convenience, and is combined with the bed module 100 The poem is combined in the first form.

The wheelchair module 200 according to the present invention largely includes a seating unit 210, a support unit 220, and a tilting control unit 230.

The seating unit 210 has a configuration in which a user is seated on an upper surface, and a plurality of members are tiltable and are continuously coupled for a long time. In this case, the seating unit 210 is configured to be tilted in the vertical direction along the length direction, so that the posture can be adjusted.

The seating unit 210 according to the present invention includes a second backrest part 212 supporting the user's back part, and a second backrest part 212 having one side configured to be tiltable with the second backrest part 212 to support the user's buttocks. It includes a central support portion 213 and a second lower support portion 214 coupled to the second central support portion 213 to support the lower body of the user.

And with the center of the second central support portion 213 on which the user's buttocks are seated, the second back support portion 212 and the second lower support portion 214 are continuously coupled so as to be able to tilt in the vertical direction, and their angles Depending on the first form or the second form, as well as various postures can be adjusted.

In this embodiment, the seating unit 210 has a plurality of members continuously formed long, and the second backrest part 212 and the second lower part support part 214 are each successively formed by at least one member. Looking at the drawing, the second backrest part 212 is composed of one member, and the second lower support part 214 is composed of two members, and each tilted to support the user's back and legs. .

Meanwhile, the support unit 220 basically moves from the lower portion of the wheelchair module 200 and supports the entirety so that the seating unit 210 can move at a predetermined height.

Specifically, the support unit 220 is configured to be movable by being provided with a plurality of moving wheels 222 at the bottom thereof, and in this embodiment, the four moving wheels 222 are each provided with a rectangular frame. In addition, when the support unit 220 is moved by the driving of the moving wheel 222 or an external force acting from the outside, the seating unit 210 may also move to perform the function of a wheelchair or a mobile bed.

On the other hand, the tilting control unit 230 is at least partially connected to the seating unit 210 in the support unit 220, and selectively adjusts the tilting of the seating unit 210 to allow the first shape or the second Adjust your posture in shape.

Specifically, the tilting control unit 230 includes a first link 232, a second link 233, a third link 234, a connection link 235 and a tilting power unit 236, each of which is interlocked. And transforms the seating unit 210 into the first shape or the second shape.

In the present invention, the first link 232 has a first rotation axis on the support unit 220 and is formed to be elongated on the support unit 220, so that one side of the first link 232 contacts the lower surface of the second backrest part 212.

The second link 233 is separated from the first link 232 and has a second rotation shaft and is provided on the support unit 220. And the third link 234 is formed long so that the middle portion is fixedly coupled to one side of the second link 233, and both ends contact the lower surfaces of the second central support 213 and the second lower support 214, respectively. To tilt.

Here, the third link 234 is fixedly coupled to the second link 233 so as not to rotate with each other, and is configured integrally in the present embodiment. Accordingly, the second link 233 and the third link 234 rotate integrally around the second rotation axis.

That is, the second link 233 and the third link 234 are integrally configured as shown and formed in a T-shape, and the second central support 213 and the second lower support 214 are Support.

On the other hand, the connection link 235 is a configuration that connects the other side of the first link 232 and the second link 233 to be tilted at the same time, and is formed to be elongated so that both ends thereof are respectively connected to the first link 232 and the second link 233. The second link 233 is connected to the other side.

At this time, the connection link 235 is configured such that both ends are rotatable to the first link 232 and the second link 233, so that either the first link 232 or the second link 233 If one works, the other works in conjunction with each other.

The tilting power unit 236 is provided on the support unit 220 and is connected to at least one of the first link 232 to the third link 234 to provide power by a user's manipulation.

Specifically, the tilting power unit 236 is configured to rotate any one of the first link 232 to the third link 234 by a user manipulating the tilting power unit 236 in this embodiment. Is formed long and one side is connected to the first link 232. And selectively expands and contracts and rotates the first link 232 on the support unit 220.

In this embodiment, the tilting power unit 236 is formed in the form of a gas spring to expand and contract, and is configured to tilt the first link 232, but unlike this, the first link ( 232) can also be tilted.

As described above, the tilting control unit 230 according to the present invention includes the first link 232, the second link 233, the third link 234, the connection link 235, and the tilting power unit ( 236), and the tilting angle of the seating unit 210 can be adjusted by the user's manipulation.

Meanwhile, the tilting control unit 230 may further include a separate operation unit 237. The control unit 237 is provided on the seating unit 210 or the support unit 220 to control whether or not the tilting control unit 230 is operated. At this time, the control unit 237 prevents the wheelchair module 200 from being unintentionally deformed from the first form or the second form, and accordingly, the tilting control unit 230 is selectively operated. Manipulate what you do.

That is, the manipulation unit 237 serves as a locking device to prevent the tilting control unit 230 from unintentionally operating.

In this embodiment, the operation part 237 is provided on the seating unit 210 and is provided on the lower surface of the second backrest part 212 as shown. In this case, a handle 216 used in the second form may be additionally provided on the second backrest part 212 apart from the operation part 237.

Accordingly, the tilting control unit 230 according to the present invention further includes the operation unit 237 so that the user can selectively manipulate the tilting angle of the seating unit 210.

As described above, the wheelchair module 200 according to the present invention includes the seating unit 210, the support unit 220 and the tilting control unit 230, and the user manipulates the tilting control unit 230 By adjusting the angle of the seating unit 210, it can be transformed into the first shape or the second shape.

As described above, the electric bed according to the present invention includes the bed module 100 and the wheelchair module 200, and the wheelchair module 200 is combined with the bed module 100 in the first form to provide a bed. It performs a role or is independently separated to perform the role of a wheelchair in the second form.

Accordingly, the user may use a bed by being coupled to the bed module 100 in the first form while seated on the wheelchair module 200 or use a wheelchair in the second form.

Here, the bed module 100 according to the present invention is provided with a separate safety guide 102 along the circumference, and is configured to be selectively separated. The safety guide 102 is configured to be coupled to a plurality of coupling members 104 provided on the bed module, and configured to adjust the protruding state of the coupling member 104 in the transverse direction.

That is, the coupling member 104 is provided at least in part along the circumference of the bed module 100, and the plurality of stability guides 102 are coupled to the coupling member 104 to prevent the user from falling. I can.

In addition, when a user separates and uses the wheelchair module 200 from the bed module 100, a part of the safety guide 102 may be separated and fastened to the wheelchair module 200.

At this time, the safety guide 102 coupled to the wheelchair module 200 can be used as an armrest, and the coupling member 104 is also provided in the wheelchair module so that the safety guide 102 can be selectively coupled. .

In this way, a separate safety guide 102 may be provided in the bed module 100, and a part of the safety guide 102 may be separated and selectively coupled to the wheelchair module 200.

Next, a state in which the bed module 100 and the wheelchair module 200 are separated according to the present invention will be described with reference to FIGS. 5 to 9.

5 is a view showing a state in which the bed unit 110 is lowered in the electric bed of FIG. 1, and FIGS. 6 and 7 are views showing a state in which the height adjustment unit 150 is operated.

In addition, FIG. 8 is a view showing a state in which the wheelchair module 200 of FIG. 1 is separated from the bed module 100 in a horizontal state, and FIG. 9 is a state in which the operation unit 237 is exposed to the outside in the electric bed of FIG. It is a diagram showing.

First, the electric bed according to the present invention is initially in a state in which the wheelchair module 200 is coupled to the bed module 100 in a first form as shown in FIG. 1. As such, the bed unit 110 and the seating unit 210 each occupy half and form the upper surface of the bed so that the user can use it.

And, as shown in Figures 5 to 7, the bed module 100 descends.

Specifically, in the bed module 100, the height adjustment unit 150 operates as shown in FIGS. 6 and 7 and a part of the connection frame 152 is rotated by the third driving unit 154. .

Accordingly, the first frame 122 to the third frame 124 are lowered, and the separation distance from the support frame 125 is reduced. Here, the connecting link 235 protrudes downward as described above, is disposed along the vertical direction, and is rotatably connected with a rotation shaft, so that the first frame 122 to the first frame 122 to the first frame 122 to the first frame 122 through the rotation of the connecting link 235 The third frame 124 descends.

As the first to third frames 124 descend by the height adjustment unit 150 in this way, the bed unit 110 descends downward as shown in FIG. 5. Here, since only the bed unit 110 descends, the wheelchair module 100 is maintained without a change in height in the first form.

Next, referring to FIG. 8, when the bed module 100 is lowered, the wheelchair module 200 is separated in the width direction, and accordingly, the bed module 100 and the wheelchair module 200 are separated. Here, the combination of the bed module 100 and the wheelchair module 200 also proceeds in the reverse order.

At this time, as shown in Figure 8, the bed module 100 has a space formed between the first frame 122 and the third frame 124, and the support unit of the wheelchair module 200 ( 220) is settled. In addition, when the wheelchair module 200 is coupled, a separate coupling guide portion 126 is formed on the first frame 122 and the third frame 124 to induce the support unit 220 to be seated.

In this embodiment, the coupling induction part 126 is formed to face each other on the side surfaces of the first frame 122 and the third frame 124 as shown, and the coupling induction part 126 is formed to be tapered so that the When the wheelchair module 200 and the bed module 100 are combined, the support unit 220 is moved to be positioned at an accurate position.

Meanwhile, referring to FIG. 9, an enlarged view of the first backrest part 112 and the second backrest part 212 in the process of separating the wheelchair module 200 from the bed module 100, the The exposure of the operation part 237 formed on the second backrest part 212 is adjusted according to the engaged state.

In the bed module 100 according to the present invention, the bed unit 110 further includes a separate cover part 118 protruding in the transverse direction on the lower surface of the first backrest part 112.

The cover part 118 has a width corresponding to the width of the second frame 123 and protrudes in a horizontal direction. At this time, the cover part 118 is configured to surround the operation part 237 from the bottom in a state in which the wheelchair module 200 is coupled to the bed module 100. Accordingly, the cover part 118 supports the lower surface of the second backrest part 212 and blocks the exposure of the operation part 237 to prevent the user from unintentionally manipulating it.

In this way, the bed module 100 is selectively lowered, and the wheelchair module 200 is separated or combined while the bed module 100 is lowered. At the same time, when the wheelchair module 200 is coupled to the bed module 100, the cover unit 118 covers the operation unit 237 to prevent the tilting control unit 230 from unintentionally operating. I can.

Meanwhile, the electric bed according to the present invention is provided in at least one of the bed module 100 or the wheelchair module 200 to detect whether the bed module 100 and the wheelchair module 200 are coupled to each other. It may further include a sensing unit 127.

Specifically, at least one sensing unit 127 is provided to determine whether the wheelchair module 200 is completely in close contact with the bed module 100. In the present invention, a plurality of detection units 127 are provided and are spaced apart from each other.

At this time, the sensing unit 127 protrudes in the transverse direction and is configured to be pressed when the bed module 100 and the wheelchair module 200 are coupled. It is determined that the wheelchair module 200 is completely in close contact.

In this embodiment, the sensing unit 127 is provided in the frame unit 120, and as shown in FIG. 8, the sensing unit 127 is composed of two, so that the first frame 122 and the second It is provided on the frame 123. And, when the wheelchair module 200 is coupled to the bed module 100, each of the sensing units 127 is the second backrest part 212 and the second central support part 213 of the wheelchair module 200 Pressurized by

In this way, a plurality of detection units 127 are provided to detect whether the wheelchair module 200 is in close contact, so that the bed module 100 can be raised or lowered at a correct position when the height adjustment unit 150 is operated. .

In the present embodiment, the sensing unit 127 is configured in conjunction with the height adjustment unit 150, and when it is determined that the wheelchair module 200 is not properly in close contact by the sensing unit 127, the height is adjusted. Unit 150 does not operate. Therefore, the height adjustment unit 150 can be controlled to operate only in a state in which the wheelchair module 200 is completely in close contact.

In addition, the sensing unit 127 may be operated in conjunction with the first angle adjusting unit 130 and the second angle adjusting unit 140 as well as the height adjusting unit 150 to control whether or not it is operated.

Next, a more detailed look at the operating state of the wheelchair module 200 according to the present invention with reference to FIGS. 10 to 13 are as follows.

10 is a view showing the configuration of the wheelchair module 200 in the electric bed of Figure 1, Figure 11 is a view schematically showing the tilting control unit 230 of FIG.

In addition, FIG. 12 is a view showing a state in which the wheelchair module 200 of FIG. 10 is transformed into a first shape, and FIG. 13 is a view showing a state in which the tilting control unit 230 of FIG. 12 is operated.

The tilting control unit 230 according to the present invention includes the first link 232, the second link 233, the third link 234, the connection link 235, and the tilting power unit ( 236).

Here, the first link 232 is formed by bending a portion along the length direction as shown, the first rotation shaft is positioned at the bent portion, and one side contacts the lower surface of the second backrest part 212.

At this time, one end of the first link 232 slides without being separated by a separate sliding guide 215 formed on the lower surface of the second backrest part 212.

Specifically, the sliding guide 215 is formed to be elongated in the longitudinal direction on the lower surface of the second backrest part 212, and a groove is formed therein so that one end of the first link 232 is not separated. In addition, one end of the first link 232 is formed in a T-shape so as to correspond to the sliding guide 215 and is inserted into the sliding guide 215.

Accordingly, when the first link 232 is tilted, the sliding guide 215 may slide while in contact with the second backrest part 212 without leaving.

Here, the sliding guide 215 is configured such that the first link 232 is detachable when the second backrest part 212 is horizontally formed by opening the end portion along the length direction.

In more detail, when the first link 232 is driven to adjust the tilting angle of the second backrest part 212, as the first link 232 rotates, one end of the second backrest part At 212, it is inserted into the sliding guide 215.

However, as shown in FIG. 4, when the first link 232 does not operate and the second backrest part 212 is tilted by an external force, the first link 232 is in the first shape. Since it is disposed, the first link 232 must be separated from the sliding guide 215 in order for the second backrest part 212 to tilt upward.

At this time, as shown in FIG. 12, an end portion along the length direction of the sliding guide 215 is opened, so that in the first form, one end of the first link 232 is separated from the sliding guide 215. .

That is, when one end of the first link 232 is deformed into the second shape while being separated from the sliding guide 215 or tilted upward, one end of the first link 232 naturally moves from the outside to the inside of the sliding guide 215. Is inserted.

Accordingly, even if the first backrest part 112 and the second backrest part 212 are tilted at the same time in a state in which the bed module 100 and the wheelchair module 200 are coupled as shown in FIG. 4, the first link There is no interference between 232 and the second backrest 212.

On the other hand, as shown in Figure 4, the bed unit 110 is a separate device to operate simultaneously in conjunction with the seating unit 210 in a state in which the wheelchair module 200 and the bed module 100 are coupled. It further includes a first protruding frame 116 and a second protruding frame 117.

The first protruding frame 116 is provided on the lower surface of the first backrest part 112 and at least a portion of the first protruding frame 116 protrudes in the transverse direction to contact the lower surface of the second backrest part 212. In addition, when the first backrest part 112 is tilted by the first angle adjustment unit 130, the lower portion of the second backrest part 212 is supported and tilted together. At this time, as described above, even if the second backrest part 212 is tilted upward, since one side of the first link 232 is separated from the sliding guide 215, the tilting control unit 230 does not operate. Does not.

Meanwhile, the second protruding frame 117 is provided on a lower surface of the first lower support portion 114 and at least a portion of the second protruding frame 117 protrudes in the transverse direction to contact the lower surface of the second lower support portion 214. When the first lower support part 114 is tilted by the second angle adjustment unit 140, the lower part of the second lower support part 214 is supported and tilted together.

As described above, the bed unit 110 includes the first protruding frame 116 and the second protruding frame 117, and when the bed unit 110 is tilted, the seating unit 210 is also tilted. The tilting control unit 230 does not operate.

Next, looking in more detail about the tilting control unit 230 according to the present invention, the tilting control unit 230 includes the first link 232, the second link 233, and the third link ( 234), in addition to the connecting link 235 and the tilting power unit 236, a separate auxiliary link 237 is further included.

The auxiliary link 237 is connected so that a plurality of links can be tilted continuously for a long time, and one side is connected to one end of the third link 234 under the second central support 213.

In this embodiment, the auxiliary link 237 is formed to be elongated and configured as a three-fold link, and one side is disposed under the second central support part 213 and the other side is disposed under the second lower support part 214. In addition, the second central support 213 and the second lower support 214 are disposed in a lengthwise direction, and are configured to slide in the longitudinal direction in association with the operation of the third link 234.

Specifically, the auxiliary link 237 is composed of a first auxiliary link 237a, a second auxiliary link 237b, and a third auxiliary link 237c, respectively, the second central support 213 and the second It is disposed across the first member and the second member of the lower support portion 214, and both end portions along the length direction are fixedly coupled to the second central support portion 213 and the second member of the second central support portion 213.

In this case, as shown in FIG. 11, the auxiliary links 237 have different segmented lengths, and when the wheelchair module 200 is disposed in the second shape, each connection point is the second central support part 213 ) And the second lower support part 214 are arranged in a position corresponding to the connection point so that interference does not occur in the tilting of the seating unit 210.

That is, the first auxiliary link 237a is disposed under the second central support part 213, and the second auxiliary link 237b is disposed under the first member of the second lower support part 214, , The third auxiliary link 237c is disposed under the second member of the second lower support part 214.

Accordingly, the second central support 213 and the second lower support 214 are tilted, and the first connection link 235 to the third connection link 235 may be tilted without interference. In this case, the first connection link 235 to the third connection link 235 are configured to be tilted only in a preset direction while being arranged in a straight line.

On the other hand, as shown in Figs. 12 and 13, when the wheelchair module 200 is deformed into the first shape, the third link 234 together with the first link 232 is arranged to achieve a horizontal state. do. At this time, the first auxiliary link 237a is connected to one side of the third link 234, and accordingly, the second central support part 213 and the second lower support part 214 are tilted together It is arranged to be horizontal.

Here, the first auxiliary link 237a and the third auxiliary link 237c are fixedly coupled to the second central support 213 and the second lower support 214, respectively, and the second auxiliary link (237b) has a fine degree of freedom in the longitudinal direction according to the rotation angle within a certain range.

Accordingly, when the third link 234 is rotated and the first auxiliary link 237a to the third auxiliary link 237c are arranged in a straight line, the first member of the second lower support part 214 The second member may be tilted downward by interlocking with the tilting in the upper direction of the

As described above, the electric bed including the detachable wheelchair module 200 according to the present invention was examined, and the wheelchair module 200 and the bed module 100 are independently configured to perform the role of a bed when selectively combined. At the same time, it can play the role of a wheelchair when separated.

As described above, preferred embodiments according to the present invention have been examined, and the fact that the present invention can be embodied in other specific forms without departing from its spirit or scope in addition to the above-described embodiments is known to those skilled in the art. It is self-evident to them. Therefore, the above-described embodiments are to be regarded as illustrative rather than restrictive, and accordingly, the present invention is not limited to the above description and may be modified within the scope of the appended claims and their equivalents.

100: bed module
110: bed unit
120: frame unit
130: first angle adjustment unit
140: second angle adjustment unit
150: height adjustment unit
200: wheelchair module
210: seating unit
220: support unit
230; Tilting control unit

Claims (15)

A bed module including a bed unit that is formed to be elongated and partially tilts in the vertical direction and a frame unit supporting the bed unit at a predetermined height; And
A support unit that is formed long and has a plurality of moving wheels and a seating unit that is partially tilted in the vertical direction, and a support unit that supports the seating unit at a predetermined height, and is connected to the seating unit in the support unit, and selectively tilts the seating unit. A wheelchair module selectively coupled to the bed module, including a tilting control unit that adjusts and transforms the seating unit into a substantially horizontal first shape or a wheelchair-type second shape; Including,
The wheelchair module is arranged in parallel with the bed module in the first form, is fastened along the width direction, and comprises a detachable wheelchair module, characterized in that the bed together with the bed module. The method of claim 1,
The bed unit,
A first back support portion supporting the user's back, one side is configured to be tiltable with the first back support portion, and is coupled to the first central support portion and the first central support portion to support the user's lower body. An electric bed including a first lower support part, and a detachable wheelchair module in which at least one or more independently tilts. The method of claim 2,
The bed module,
An electric bed comprising a detachable wheelchair module provided in the frame unit and further comprising a first angle adjusting unit configured to adjust a tilting angle of the first backrest part. The method of claim 3,
The bed module,
An electric bed comprising a detachable wheelchair module provided in the frame unit and further comprising a second angle adjusting unit configured to adjust a tilting angle of the first lower support part. The method of claim 1,
The frame unit
Detachable wheelchair, characterized in that the width of one side and the other side along the length direction is relatively larger than that of the bed unit, and when the wheelchair module is combined with the bed module, at least a portion of the wheelchair module is inserted and supported under the seating unit. Electric bed containing a module. The method of claim 1,
The bed module,
It is provided in the frame unit further comprises a separate height adjustment unit for selectively elevating the bed unit,
Electric bed comprising a detachable wheelchair module configured to be fastened or separated from the wheelchair module in a state in which the bed unit is lowered by the height adjustment unit. The method of claim 1,
The bed module or the electric bed including a detachable wheelchair module further comprising a separate detection unit provided in at least one of the wheelchair module for detecting whether the bed module and the wheelchair module is coupled. The method of claim 7,
The sensing unit,
An electric bed comprising a detachable wheelchair module, characterized in that it is spaced apart in a plurality and protrudes in a transverse direction, and is pressed when the bed module and the wheelchair module are combined. The method of claim 2,
The seating unit,
A second back support for supporting the user's back, one side is configured to be tiltable with the second back support, and is coupled to the second central support for supporting the user's buttocks and for supporting the lower body of the user. Electric bed comprising a detachable wheelchair module, including a second lower support. The method of claim 9,
The tilting control unit,
A first link having a first rotation shaft in the support unit, and one side of which is in contact with a lower surface of the second backrest portion;
A second link having a second rotation shaft and provided on the support unit;
A third link formed to be elongated and fixedly coupled to one side of the second link, and both ends thereof contacting and tilting the lower surfaces of the second central support and the second lower support; And
A connection link connecting the other side of the first link and the second link to simultaneously tilt;
Electric bed comprising a detachable wheelchair module comprising a. The method of claim 10,
The tilting control unit,
The electric bed comprising a detachable wheelchair module further comprising a tilting power unit connected to at least one of the first link to the third link to provide power by a user's manipulation. The method of claim 10,
The tilting control unit,
An electric bed comprising a detachable wheelchair module provided on the seating unit or the support unit and further comprising a separate operation unit configured to control whether or not the tilting control unit is operated. The method of claim 12,
The bed unit,
The bed unit further includes a separate cover portion protruding in a transverse direction from a lower surface of the first backrest portion,
The electric bed including a detachable wheelchair module that supports the lower surface of the second backrest part and blocks exposure of the operation part when the cover part is coupled with the bed module and the wheelchair module. The method of claim 10,
The seating unit is formed to be elongated along the lengthwise direction on the lower surface of the second backrest, so that one end of the first link is seated and a sliding guide for sliding is formed,
The sliding guide is an electric bed including a detachable wheelchair module configured to be detachable from the first link in a state in which the second backrest portion is horizontal by opening the end portion along the longitudinal direction. The method of claim 9,
The bed unit,
It is provided on the lower surface of the first backrest, at least a part protrudes in the transverse direction, contacts the lower surface of the second backrest, and supports the lower part of the second backrest and tilts together when the first backrest is tilted. 1 Electric bed comprising a detachable wheelchair module further comprising a protruding frame.

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