JPH05245177A - Nursing bed - Google Patents

Abstract

PURPOSE:To smoothly shift to a standing posture from a sitting posture, and also, to secure a stable sitting posture by constituting the bed of a four-folded type. CONSTITUTION:The bed is constituted so that a head side end part of a seat part frame 12 is attached pivotally to a foot side end part of a back part frame 11, the head side end part of the seat part frame 12 turns down ward as the back part frame 11 turns in the erecting direction, and the seat part frame 11 is inclined a little in a state that the lower leg frame 13 is erected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nursing bed.

[0002]

2. Description of the Related Art In a conventional nursing bed, as shown in FIG. 11, a back frame 11A, a seat frame 11B, and a lower frame 11C form a frame body 11D, and the back frame 11A and the lower frame 11C are upward and downward. It was configured to fold into.

However, in such a conventional care bed, even if the lower frame 11C is bent downward, the foot of the patient cannot be attached to the floor surface F (FIG. 11), and therefore the sitting posture is changed to the standing posture. There was a problem that it would be difficult to move.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and an object of the present invention is to make a lower frame foldable so that the entire frame has a four-fold structure. In this way, it is possible to provide a care bed that can smoothly shift from a sitting posture to a standing posture and can secure a stable sitting posture.

[0005]

A nursing care bed proposed to achieve the above object is a nursing care bed in which a floor frame is foldable so that a patient can sit on it. To the side, a back frame, a seat frame, a lower leg frame, and a foot frame are arranged in order to form a floor frame body, and this floor frame body is supported by a support body, and each floor frame body is supported. Mats are attached to the frames, respectively, a rotation mechanism portion for rotating the back frame in the up and down direction is provided, and a rotation mechanism portion for rotating the lower leg frame in the hanging and horizontal directions is provided. Rotation in which the foot frame is rotated as the frame is rotated in the hanging direction, and the foot frame is rotated so that the lower leg frame is in a horizontal state in the hanging state. A frame is provided, and the foot end of the seat frame is pivotally attached to the foot end of the back frame, and the head of the seat frame is rotated by the rotation of the back frame in the upright direction. It is characterized in that the waist end portion is rotated downward and the seat frame is slightly inclined when the lower leg frame is in the upright state.

[0006]

According to the nursing bed of the present invention, when the back frame is erected and the lower leg frame is hung down, the patient's head and thigh are kept on the seat frame and the patient's head and thigh are positioned. The trunk is erected by the back frame, and the lower leg of the patient is bent by the lower leg frame, so that the foot of the patient can be brought into contact with the mat of the foot frame. As a result, the patient can easily stand up on the foot frame.

Further, the foot end of the seat frame is pivotally attached to the foot end of the back frame, and the head end of the seat frame is rotated as the back frame pivots in the upright direction. Since it is configured to rotate downward and the seat frame is slightly inclined, the buttocks of the patient are less likely to move forward, and a stable sitting posture can be secured.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a nursing bed of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes a floor frame body, which is composed of a back frame 11, a seat frame 12, a lower leg frame 13, and a foot frame 14.
Nos. 14 to 14 are arranged in order from the head side to the foot side.

The end portions of the back frame 11 and the seat frame 12, the end portions of the seat frame 12 and the lower leg frame 13, and the end portions of the lower leg frame 13 and the foot frame 14 are hinge portions. The floor frames 1 are connected by 15A, 15B and 15C, and the floor frames 1 can be folded by four hinges 15A, 15B and 15C.

FIG. 7 shows a sectional view of the hinge portions 15A to 15C. That is, the connecting portions 15b having the bolt insertion holes 15a are formed at the end portions of the frames 11 to 14, respectively, and the connecting portions 15b of the frames 11 and 12 are formed.
Overlap each other and insert bolts 15 into each bolt insertion hole 15a.
c is inserted, and a nut 15e is screwed into the threaded portion 15d of the bolt 15c.

Mats 111 to 114 are attached to the frames 11 to 14 of the floor frame body 1, respectively.

Reference numeral 2 denotes a support for the floor frame body 1, from which legs 2A are extended.

Reference numeral 3 denotes a rotation mechanism section which uses the motor M1 as a drive source and rotates the lower leg frame 13 and the foot frame 14 by the rod 31 and the links 32 and 33.

The motor M1 is pivotally attached to a bearing body 2B formed on the support body 2 by a lateral pin 2C, and a drive shaft 34 of the motor M1 is formed with a male screw portion 34a. A screw hole 31a that opens at the base end side of the rod 31 is formed in the rod 31 so as to be coaxial with the rod 31, and this screw hole 31a is screwed into the male screw portion 33a of the drive shaft 34 to form the drive shaft 34. The rod 31 and the rod 31 are connected so as to be coaxial.

Connecting parts 32a and 32b are provided at the middle and lower ends of the link 32, and the upper end of the link 32 is a connecting piece 2 formed on the lower surface of the head of the support 2 at the end of the link.
The horizontal pin P1 is pivotally attached to D, and the tip of the rod 31 is pivotally attached to the connecting portion 32a by the horizontal pin P2. Bolt insertion holes 32c and 33c are formed in the connecting portions 32a and 32b of the links 32 and 33, respectively.

The link 32 (33) and the foot frame 14 are pivotally attached by a hinge H1 (H2) as shown in FIG. That is, a connecting piece 14c having a bolt insertion hole 14b is projectingly provided on the cross member 14a of the foot frame 14 (FIG. 2), and the connecting piece 14c and the connecting portions 32b and 33b of the link 32 (33) are overlapped. Align each bolt insertion hole 1
The hinge 22 is formed by inserting the bolt 22 into the screws 4b and 32c (33c) and screwing the nut 24 into the screw portion 23 of the bolt 22 (FIG. 9).

Reference numeral 4 denotes a rotation mechanism section which uses the motor M2 as a drive source, and rotates the back frame 11 and the seat frame 12 by the rod 41 and the pair of links 42.

The motor M2 is pivotally attached to a bearing body 2E formed on the support body 2 by a lateral pin 2F, and a drive shaft 44 of the motor M2 is formed with a male screw portion 44a. A screw hole 31a opening at the base end side of the rod 41 is formed in the rod 31 so as to be coaxial with the rod 31, and the screw hole 41a is screwed into the male screw portion 43a of the drive shaft 44 to drive the drive shaft. 44 and the rod 41 are connected so as to be coaxial.

The pair of links 42 are connected by a horizontal member 41A, and a connecting piece 41B is projected from the horizontal member 41A. The connecting piece 41B and the tip of the rod 31 are connected to the horizontal pin P.
It is pivoted at 4.

A pair of rollers R supported by a support member R1 is attached to the rear side of the cross member 11a of the back frame 11. This roller R is in rolling contact with the link 42 (see FIG. 1).
0). Note that C is a cover that covers the roller R and the link 41.

The seat frame 12 of the floor frame body 1 is pivotally attached to the support body 2 by a hinge H4 (FIG. 4). That is, from the cross member 11a of the seat frame 12 to the bolt insertion hole 1
While the connecting portion 12c having 2b is provided in a protruding manner, the connecting portion 21 having a bolt insertion hole 21a is provided in a protruding manner from the end portion of the head of the support body 2, and the connecting portions 12c and 21 are superposed on each other. The bolts 22 are inserted into the bolt insertion holes 21a and 12b, and the nuts 24 are screwed into the threaded portions 23 of the bolts 22 to form the hinge H3 (FIG. 8).

FIG. 2 shows the floor frame 1 separated from the support 2. That is, the hinges H1, H2, H
4 is removed from the bolt 22, and the bolt 22 is pulled out from the bolt insertion hole 21a. When the floor frame 1 is attached to the support 2, the reverse operation may be performed. This allows the floor frame 1 and the support 2 to be separated during transportation.

A flush toilet bowl B is disposed below the seat frame 12, a valve seat (not shown) is incorporated in the seat frame 12, and a seat mat corresponding to the valve seat is provided. 112 is configured to be removable.

The operation of the nursing care bed configured as described above will be described. First, when the motor M2 of the rotation drive mechanism unit 4 is normally rotated to pull in the rod 41 and the link 41 is erected, the head of the seat portion frame 12 is moved about the hinge H4 as shown by the chain double-dashed line in FIG. The back end frame 11 pivots upward around the hinge 15 while the roll R rolls on the link 41 while the end portion pivots downward.

On the other hand, the motor M1 of the rotary drive mechanism unit 3
Forwardly to pull in the rod 43, and the links 32, 33
When is rotated, the hinges H1, H2, 15A, and 15B are rotated to rotate the lower leg frame 13 in the hanging direction, as shown by the chain double-dashed line in FIG. And the lower leg frame 1
The foot frame 14 bends at an angle of approximately 90 degrees with respect to the lower leg frame 13 in a state in which 3 is suspended.

By thus deforming the floor frame 1 into the four-folded state, the patient can sit. That is, with the patient's buttocks and thighs being positioned on the seat frame 12, the patient's head and torso are positioned on the back frame 11.
While standing upright, the lower leg of the patient is bent by the lower leg frame 13 so that the foot of the patient can be brought into contact with the mat of the foot frame. As a result, the patient can easily stand up on the foot frame.

Further, since the seat frame 12 is slightly inclined, the patient's buttocks are less likely to move forward, and as a result, a stable sitting posture can be secured even when the back frame is erected upright. it can.

Further, when the back frame 11 is erected in the vertical direction, the center of gravity of the patient can be moved forward and the movement of standing posture can be reduced. on the other hand,
When the lower leg frame 13 is hung vertically, it becomes easier to hold the leg when moving from the sitting posture to the standing posture, and the center of gravity can be smoothly moved.

The motors M1 of the rotary drive mechanisms 3 and 4
When M2 is reversed and the rod 41 is projected, the back frame 11, the seat frame, the lower leg frame 13, and the foot frame 14 are positioned horizontally at the same level as shown by the solid line in FIG. Is possible.

[0030]

As is apparent from the above description, according to the nursing care bed of the present invention, the patient can easily stand up by constructing the frame body in a four-fold structure. Further, since the seat frame is configured to be slightly inclined, the buttocks of the patient are less likely to move forward, and a stable sitting posture can be secured.

[0031]

[Brief description of drawings]

FIG. 1 is a perspective view of a nursing bed of the present invention.

FIG. 2 is a perspective view of the floor frame body of the nursing care bed of the present invention.

FIG. 3 is a perspective view showing a frame structure of a nursing care bed of the present invention.

FIG. 4 is a side view showing the operation of the nursing bed of the present invention.

FIG. 5 is a side view showing the operation of the nursing bed of the present invention.

FIG. 6 is a plan view showing the frame structure of the nursing care bed of the present invention.

FIG. 7 is a sectional view of a hinge portion of the floor frame body of the nursing care bed of the present invention.

FIG. 8 is a cross-sectional view of the hinge portion of the nursing care bed of the present invention.

FIG. 9 is a sectional view of a hinge portion of the nursing bed of the present invention.

FIG. 10 is a plan view showing a state where the back frame and the link of the nursing care bed of the present invention are brought into contact with each other via rollers.

FIG. 11 is a perspective view showing a conventional example of a nursing bed.

[Explanation of symbols]

 1 Floor Frame 2 Support 3 Rotational Drive Mechanism 4 Rotational Drive Mechanism 11 Back Frame 12 Seat Frame 13 Lower Leg Frame 14 Foot Frame

Claims (1)

[Claims] 1. A care bed in which a floor frame is foldable so that a patient can sit on the back frame, the seat frame, the lower leg frame, and the foot frame from the head side to the foot side. Are arranged in order to form a floor frame body, the floor frame body is supported by a support body, a mat is attached to each frame of the floor frame body, and the back frame is rotated in the up and down direction. A moving mechanism section is provided, and a rotation mechanism section for rotating the lower leg frame in the hanging and horizontal directions is provided, and the foot frame is rotated as the lower leg frame rotates in the hanging direction. Further, a rotation mechanism portion for rotating the foot frame is provided so that the lower leg frame is in a horizontal state when the lower leg frame is in a hanging state, and the head end of the seat frame is connected to the back frame. The foot pivotally attaches to the end portion of the seat, and the foot end of the seat frame rotates downward with the rotation of the back frame in the standing direction. A nursing care bed characterized in that the frame is configured to be slightly inclined.