JPH09313546A - Bed - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily change from lying position to sitting position by designing a bed so that a bed plate is divided into a back support frame, waist support frame, and leg support frame, the back support frame can be stood and rotated, and the leg support frame is supported by a leg support frame enclosing mechanism under the waist support frame. SOLUTION: A bed 1 is structured in such a manner that a fixed frame 2 to be placed on the floor and a lifting frame 3 are connected with a parallel link 4 which is raised/lowered by an actuator 5. A bed plate is divided into a back support frame 6, waist support frame 7, and leg support frame 19. The back support frame 6 and the waist support frame 7 are arranged at the front and back on the lifting frame 3, and they are pivotally connected to the lifting frame 3 so that they can be stood and rotated. At the lower back of the lifting frame 3, a slide frame 17 which is held by rollers 18, 18... and can be slid in the upper rear direction is pivotally connected to the rear end of the leg support frame 19. The frond end of the leg support frame 19 is supported by a swing member 20 and is enclosed into an enclosing mechanism A by swinging the slide frame 17 in arrow A direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bed suitable for use by persons with physical disabilities, the elderly and the like.

[0002]

2. Description of the Related Art Conventionally, when a person with a physical disability stands up from a bed and moves to a wheelchair, a toilet, etc., he / she must lie on the bed and wake up to the upper half of the body, and then sit on the side of the bed. The body had to be twisted, and the posture change was extremely burdensome for persons with physical disabilities.

[0003]

SUMMARY OF THE INVENTION Therefore, according to the present invention, the posture of a physically handicapped person or an elderly person lying on a bed is changed to a seated state with his / her feet on the floor so as to move to a wheelchair, a toilet or the like. In this case, it is an object to provide a bed that can be put into the sitting state extremely easily without changing the posture.

[0004]

The present invention has been made as follows in order to solve the above-mentioned problems. That is, the floor of the bed is divided into at least a back support frame 6, a waist support frame 7, and a leg support frame 19, and the back support frame 6 is pivotally attached at its rear end side to the bed body 1 so as to be capable of undulating and pivoting. It is possible to raise the back as appropriate,
On the other hand, the leg support frame 19 is a bed characterized in that the leg support frame 19 is supported by a lower part of the waist support frame 7 by a storage mechanism A capable of moving the leg support frame 19.

Further, the floor of the bed is divided into at least a back support frame 6, a waist support frame 7 and a leg support frame 19, and the back support frame 6 and the waist support frame 7 are vertically rotatably adjoining side ends. The leg supporting frame 19 is pivotally attached to the bed main body 1 and the waist supporting frame 7 is moved upward in conjunction with the back raising operation of the back supporting frame 6, while the leg supporting frame 19 is the waist supporting frame. A storage mechanism A capable of moving the leg support frame 19 to the lower part of 7.
The bed was characterized by being supported by.

Further, the floor of the bed is divided into at least a back support frame 6, a waist support frame 7 and a leg support frame 19, and the back support frame 6 has its rear end side mounted on the bed body 1 so as to be capable of undulating and turning. The leg support frame 1 is pivotally mounted so that the back can be raised appropriately.
9 is supported by a storage mechanism A capable of moving the leg support frame 19 below the waist support frame 7, and the leg support frame 19 is linked to the back raising operation of the back support frame 6 to support the waist support frame 9. The bed was characterized in that it was connected to move to the bottom of 7.

Further, the floor of the bed is divided into at least a back support frame 6, a waist support frame 7 and a leg support frame 19, and the back support frame 6 and the waist support frame 7 are vertically rotatably adjacent to each other at their adjacent side ends. The leg supporting frame 19 is pivotally attached to the bed main body 1 and the waist supporting frame 7 is moved upward in conjunction with the back raising operation of the back supporting frame 6, while the leg supporting frame 19 is the waist supporting frame. A storage mechanism A capable of moving the leg support frame 19 to the lower part of 7.
The bed is characterized in that the leg support frame 19 is connected to the lower part of the waist support frame 7 in association with the back raising operation of the back support frame 6.

The leg support frame 19 is fixed when the bed is in a connected state in which the leg support frame 19 moves to the lower part of the waist support frame 7 in conjunction with the back raising operation of the back support frame 6. The bed is characterized in that the switching means 28 is provided which can switch the back support frame 6 to the non-connected state in which only the back raising operation is performed.

[0009]

[Function] When a person with a physical disability lying on the upper surface of the bed changes his / her posture to a state of hanging a chair on the floor, the back raising arm is first actuated to rotate the back support frame upright. Go. At the initial stage of this operation, only the back support frame and the waist support frame move upward, and the end faces of the waist support frame and the leg support frame are vertically separated from each other. In addition, a space is formed in which the front support frame can be easily slid forward. When the back support frame is further rotated upright from this state, the leg support frame slides while inclining to the lower part of the waist support frame.

Then, at the final stage of the standing support rotation of the back support frame, the leg support frame is moved to a state in which it is positioned immediately below the waist support frame. At this time, a physically handicapped person or the like on the bed is in a state of being hung on a chair with his / her feet hanging on the floor surface, and can easily stand up with a handrail or the like provided on the side of the bed as a clue.

When the back support frame is in the horizontal state and the switching means is operated to bring the back support frame and the main link into a non-connected state, even if the back support frame is erected and rotated, the leg support frame is not moved. It is fixed, and only the back support frame can be rotated upright so that only the upper half of the body of a physically handicapped person can be raised.

[0012]

Embodiments of the present invention will be described below in detail with reference to the drawings.

Reference numeral 1 in the drawing is a bed body. The bed main body 1 is configured by connecting a fixed frame 2 placed on a floor surface and a lifting frame 3 by a parallel link mechanism 4 so that the lifting frame 3 can be lifted and lowered. That is, the parallel link mechanism 4 is provided so as to be actuated by the actuator 5 capable of expanding and contracting as appropriate.
As shown in FIG. 5, the height of the elevating frame 3 can be appropriately set and changed by expanding and contracting the actuator 5.

A back support frame 6 and a waist support frame 7 are arranged side by side on the upper surface of the elevating frame 3. And
Adjacent side end portions of the two support frames 6 and 7 are pivotally attached to the elevating frame 3 so as to be capable of undulating rotation. Reference numeral 8 denotes a back raising arm, which is provided so as to be able to rise and fall by the operation of a motor 9, and a rollable roller 10 provided at the tip portion abuts against the back surface of the back portion support frame 6 and pushes it up,
The back support frame 6 is provided so as to move upward. In addition,
Reference numerals 11 and 12 denote support members for horizontally supporting the back support frame 6 and the waist support frame 7, respectively.

An interlocking mechanism 13 is provided between the back support frame 6 and the waist support frame 7 so that the waist support frame 7 moves upward in conjunction with the upward movement of the back support frame 6. The interlocking mechanism 13 is provided on the lower portion of the back support frame 6 on the base end side.
A plate member 15 provided with 4 at the tip is provided in a protruding manner, and a cam plate 16 is provided on the lower side of the waist support frame 7 on the base end side so that the cam roller 14 rolls along the end surface of the cam plate 16. It is provided. That is, the cam roller 14 pushes down the end surface of the cam plate 16 by the up-and-down motion of the back support frame 6 to swing the waist support frame 7. In addition, the inclination angle of the waist support frame 7, the interlocking timing, and the like are set depending on the position of the cam roller 14 and the end surface shape of the cam plate 16,
In this embodiment, as shown in FIGS. 4 and 5, the back support frame 6
In the initial stage of the standing rotation of the lower back support frame 7, the lower back support frame 7 moves slightly upward, and even if the back support frame 6 is rotated upright, the lower back support frame 6
Is set to be held in this state.

Reference numeral 17 denotes a slide frame, which is sandwiched by rollers 18, 18 ... In the lower rear part of the elevating frame 3 and is slidable in an upward tilting direction. The rear end of the leg support frame 19 is pivotally attached to the rear end of the slide frame 17. The front side of the leg support frame 19 is supported by a swinging member 20 which is vertically rotatable. Further, the swinging member 20 is regulated on the downward rotating side by a stopper 21 provided on the elevating frame 3.

That is, the leg support frame 19 is usually
Although it is supported horizontally as shown in FIG. 6, when the slide frame 17 is slid in the direction of the arrow, the swing member 20 moves downward and the leg support frame 1 as shown in FIG.
9 inclines downward toward the front. Further slide frame 17
8 is slid, the swinging member 20 is supported and fixed by a plate-like metal fitting 22 provided on the slide frame 17 as shown in FIG. 8, and the leg support frame 19 is held substantially in the sliding direction. The above is the storage mechanism A for the leg support frame 19.

A link mechanism 23 is provided on the back side of the back support frame 6.
Is configured. This link mechanism 23 is used for the main link 2
One end of 4 is pivotally attached to an intermediate portion of the back support frame 6, and an intermediate portion of the main link 24 and a bracket 25 protruding from the elevating frame 3 are connected by an auxiliary link 26. That is, when the back support frame 6 is raised and lowered, the tip portion of the main link 24 has a very small amount of vertical movement and is sufficiently moved in the front-rear direction.

Reference numeral 27 denotes a connecting rod, which is the main link 2
4 and the slide frame 17 are connected. That is, as shown in FIG. 9 to FIG. 11, the slide frame 17 is provided so as to move back and forth in conjunction with the raising and lowering operation of the back support frame 6, and when the back support frame 6 stands up, the leg support frame 6 19 moves below the waist support frame 7.

Reference numeral 28 is a switching means capable of switching the back support frame 6 and the main link 24 between a connected state and a non-connected state. As shown in FIG. 12 to FIG. 14, the switching means 28 includes a pair of brackets 3 on a horizontal rod 29 provided laterally on the back support frame 6.
0 and 30 are provided in a protruding manner, and a hook member 31 is rotatably provided between the brackets 30 and 30. In addition, a groove 30 a into which the spindle 32 provided at the end of the main link 24 can be inserted and removed is formed in the lower portion of the bracket 30. That is, when the hook member 31 is rotated in the state shown in FIG. 12 with the support shaft 32 fitted in the groove 30a, the hook member 31 prevents the support shaft 32 from coming off and the back support frame 6 and the main link 24. Are connected. When the hook member 31 is rotated from this connection state as shown in FIG. 14, the support shaft 32 is in the non-connection state in which it is pulled out from the groove 30a even when the back support frame 6 is moved upward. Reference numeral 33 denotes a switching operation lever provided integrally with the hook member 31, and its operation portion is provided on a side portion of the back support frame 6 so as to be located in a protruding state.
Also, 34 is a kick spring, and 35 is a lifting frame 3.
Shaft 3 fixed on an L-shaped bracket 36 that is installed horizontally
The second receiving member.

M1 and M2 represent a front mattress and a rear mattress, respectively. The front mattress M1 is laid on the upper surfaces of the back support frame 6 and the waist support frame 7 and has a rectangular shape that is long in the front and rear direction in a plan view. The rear mattress M2 is laid on the upper surface of the leg support frame 19 and has a rectangular shape that is long in the lateral direction in a plan view.

Next, the operation of the above example will be described. When a person with a physical disability lying on the upper surface of this bed changes their posture to a chair-rested state in which their feet are hung on the floor, first, the back raising arm 8 is operated to rotate the back support frame 6 upright. . At the initial stage of this standing rotation, as shown in FIG.
Only the back support frame 6 and the waist support frame 7 move upward, and the respective end surfaces of the waist support frame 7 and the leg support frame 19 are vertically separated from each other. A space is formed that facilitates the front support frame 19 to slide forward. When the back support frame 6 is further rotated upright from this state, the leg support frame 19 slides to the lower part of the waist support frame 7 while inclining.

Then, at the final stage of the upright rotation of the back support frame 6, as shown in FIG. 11, the leg support frame 19 is moved to a position just below the waist support frame 7. At this time,
A person with a physical disability on the bed is in a chair-hanging state in which his / her feet are hung on the floor surface, and can easily stand up with a handrail or the like provided on the bed side as a clue.

Further, when the back support frame 6 is in the horizontal state, the switching means 28 is operated to operate the back support frame 6 and the main link 2.
If 4 is set to the unconnected state, as shown in FIG. 15, the leg support frame 19 is fixed even if the back support frame 6 is erected and rotated, and only the back support frame 6 is erected and erected. This is extremely convenient because it allows the person with a disability to raise only the upper half of the body.

[0025]

As described above, in the bed according to the present invention, the leg support frame moves to the lower part of the waist support frame in association with the standing rotation of the back support frame. A physically handicapped person or the like can easily change his / her posture to a seated state in which his / her feet hang down on the floor surface without making an unnatural posture change. Further, only the back support frame can be turned upright by the switching means.

[Brief description of drawings]

FIG. 1 is an overall side view of a bed according to the present invention.

[Figure 2] Plan view

FIG. 3 is an overall side view showing a state where a lifting frame is raised.

FIG. 4 is a side view showing an interlocking mechanism.

[Fig.5] The action process chart

FIG. 6 is a side view showing the storage mechanism.

[Fig. 7] Its action process diagram

[Fig. 8] Action process diagram

[Fig. 9] Interlocking operation process diagram of each support frame

FIG. 10 is an interlocking operation process chart of each support frame.

FIG. 11 is an interlocking operation process chart of each support frame.

FIG. 12 is a side view showing the switching means in a connected state.

FIG. 13 is a plan view thereof

FIG. 14 is a side view showing the switching means in a non-connected state.

FIG. 15 is a side view showing the action of each support frame when the switching means is in a non-connected state.

[Explanation of symbols]

 1 Bed Main Body 6 Back Support Frame 7 Waist Support Frame 13 Interlocking Mechanism 19 Leg Support Frame 28 Switching Means A Storage Mechanism

Claims (5)

[Claims] 1. A bed supporting section for at least the back supporting frame 6
The back support frame 6 is divided into a waist support frame 7 and leg support frames 19, and the back support frame 6 is rotatably and rotatably mounted so that its rear end side is pivotally attached to the bed main body 1 so that the back can be appropriately raised. Leg support frame 19
The bed is characterized in that a storage mechanism A capable of moving the leg support frame 19 is supported under the waist support frame 7. 2. A bed supporting section 6 for at least the back supporting frame 6
It is divided into a waist support frame 7 and a leg support frame 19, and the back support frame 6 and the waist support frame 7 are pivotally attached to the bed main body 1 at their adjacent side ends so that they can be raised and lowered so as to rotate. Mechanism 13 that moves the waist support frame 7 upward in conjunction with the back raising operation of the user
On the other hand, the bed is characterized in that the leg support frame 19 is supported by a storage mechanism A capable of moving the leg support frame 19 below the waist support frame 7. 3. The floor of the bed is at least the back support frame 6
The back support frame 6 is divided into a waist support frame 7 and leg support frames 19, and the back support frame 6 is rotatably and rotatably provided so that its rear end side is pivotally attached to the bed body 1 so that the back can be raised appropriately. Support frame 19
Is supported by a storage mechanism A capable of moving the leg support frame 19 below the waist support frame 7, and the leg support frame 19 is linked to the back raising operation of the back support frame 6 so that the leg support frame 19 can move. A bed characterized by being connected to move to the bottom of the bed. 4. A floor support of at least the back support frame 6 of the bed.
It is divided into a waist support frame 7 and a leg support frame 19, and the back support frame 6 and the waist support frame 7 are pivotally attached to the bed main body 1 at their adjacent side ends so that they can be raised and lowered so as to rotate. Mechanism 13 that moves the waist support frame 7 upward in conjunction with the back raising operation of the user
On the other hand, the leg support frame 19 is supported by a storage mechanism A capable of moving the leg support frame 19 below the waist support frame 7, and is further interlocked with the back raising operation of the back support frame 6. A bed in which the leg supporting frame 19 is connected so as to move to the lower part of the waist supporting frame 7. 5. The connected state in which the leg support frame 19 moves to the lower portion of the waist support frame 7 in conjunction with the back raising operation of the back support frame 6, and the leg support frame 19 is fixed and the back support frame 6 is fixed. The bed according to claim 3 or 4, further comprising switching means (28) capable of switching to a non-connected state in which only back raising operation is performed.