JPS6015478Y2 - rise bed device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement of a bed device capable of rotationally driving a floor plate provided on a frame.

In general, this type of stand-up bed device has a floor plate attached to a frame that is divided into multiple parts, at least the part of which is located on the upper body side of the user, such as a patient lying on the floor plate via a pinerest, that can be rotated around the frame. The rotatably supported floorboard can be driven in the upward direction by a drive mechanism.

This drive mechanism can be manual or automatic using a motor, but automatic systems have the drawbacks of complicating the configuration and increasing costs, so manual systems are preferred. It is widely adopted.

Conventionally, the above-mentioned manual drive mechanism has been designed such that a sleeve is screwed onto a screw shaft, and a floor plate is connected to the sleeve that moves forward and backward as the screw shaft rotates, so that the floor plate is rotated by the reciprocating movement of the sleeve. was.

However, according to the drive mechanism with such a configuration, in order to be able to rotate the floorboard, the sleeve is provided coaxially with the screw shaft, and these are orthogonal to the direction of rotation of the floorboard. Since the drive mechanism must be provided along the longitudinal direction of the frame, the mounting position of the drive mechanism to the frame is restricted and freedom in design is lost.

The present invention was developed based on the above-mentioned circumstances, and its purpose is to use a flexible member as a power transmission mechanism for rotating the floorboard, so that the frame of the mechanism that drives the floorboard can be The purpose of the installation is to provide a rise-up bed device whose position is not restricted.

An embodiment of the present invention will be described below with reference to FIGS. 1 to 6.

1 in the figure is a frame. This frame 1 has a headboard 3 connected to one longitudinal end of a pair of parallel side members 2.2 facing each other and a footboard 4 connected to the other end.

This frame 1 includes a first floorboard 5 on the footboard 4 side.
, a second floorboard 6 is provided on the headboard 3 side.

The first floor plate 5 is fixed to the frame 1, and the second floor plate 6 connects connecting plates 7, 7 extending from both sides of one end located on the first floor plate 5 side to the first floor plate 5. It is rotatably connected by support shafts 9, 9 to mounting plates 8, 8 extending from one end.

An arm body 10 is provided on the lower surface of the second floorboard 6.

This arm body 10 includes a pair of substantially L-shaped operating rods 11, 11, which have one end connected to the lower surface of the second floor plate 6 and the other end extending toward one end side of the first floor plate 5, and these operating rods. 11.1
A connecting rod 12 is provided between the other ends of the connecting rod 12 with both ends rotatably connected.

As shown in FIG. 5, a recess 13 is formed in the longitudinal center of the connecting rod 12, and a through hole 12a is bored in the center of the recess 13.

The recess 13 includes a hollow member as an actuating body that is flexible and capable of transmitting force in the axial direction.
For example, a tightly wound spring 14 covered with an outer cover 14a made of vinyl or the like is connected by fitting and fixing one end thereof.

The other end of this tightly wound spring 14 is fitted and fixed in a recess 16 carved in one side of a first mounting plate 15, which is a first fixing part vertically installed on the lower surface of the first floor plate 5. connected.

The densely wound spring 14 has a length that is sagging between the connecting rod 12 and the first mounting plate 15 when the rotation angle of the second floor plate 6 is 0 degrees as shown in FIG. have

Further, a second mounting plate 17 is vertically provided on the lower surface of the first floor plate 5 in parallel with and facing away from the first mounting plate 15 .

A rectangular cylindrical container 1 is provided between the first and second mounting plates 15 and 17.
8 is attached.

A rectangular movable body 21 provided with a screw hole 19 and a mounting hole 20 is slidably housed in the housing body 18 .

A screw shaft 22 is screwed into the screw hole 19 of the movable body 21 .

Both ends of this screw shaft 22 are connected to the first mounting plate 15 and the second mounting plate 15.
The second mounting plate 17 is rotatably supported by the second mounting plate 17.
A handle 23 is connected to one end protruding from the handle.

That is, this handle 23 is provided on the outer surface side of the footboard 4.

On the other hand, in the hollow portion of the tightly wound spring 14, there is a tightly wound spring 1.
A wire 24, which is longer than 4, is inserted through the wire 24.

One end of this wire 24 is connected and fixed to a connecting member 25 that is led out from a through hole 12a formed in the connecting rod 12 and is a second fixing part provided on the inner surface of the headboard 3.

The other end of the wire 24 is led out into the container 18 from a through hole 26 drilled in the center of the recess 16 of the first mounting plate 15, and is connected to the mounting hole 26 drilled in the movable body 21. hole 20
It is inserted through and connected and fixed to this moving body 21.

Note that the middle portion of the wire 24 is in a slack state similar to the tightly wound spring 14.

Next, the operation of the above configuration will be explained.

In order to raise the second floor plate 6 from the state shown in FIG. 2 to the state shown in FIG. 21 to the footboard 4 side shown by the arrow in FIG.

Then, the wire 24 is pulled by the moving body 21, the slack of the wire 24 is gradually reduced, and the moving body 21
When it moves to the position shown in FIG. 3, it forms a straight line between the moving body 1 and the connecting member 25 provided on the inner surface of the helad board 3, so that the tightly wound spring 14 with the wire 24 inserted therein also Together with the wire 24, it extends straight from the slack state.

Therefore, the arm body 1 increases by the amount that the tightly wound spring 14 extends.
Since the connecting rod 12 of No. 0 is pressed by the tightly wound spring 14 and the arm body 10 is displaced, the second floor plate 6 is rotated and raised as shown in FIG.

That is, according to the above configuration, the movement of the movable body 21 is transmitted to the arm body 10 via the wire 24 by the tightly wound spring 14, which is a flexible member and can transmit force in the axial direction. The second floor plate 6 can be rotated and raised via the arm body 10.

Further, in order to lower the second floor plate 6, it is sufficient to rotate the screw shaft 22 in the opposite direction using the handle 24.
Further, even at an intermediate position before the tightly wound spring 14 becomes straight, the second floor plate 6 can be held at an angle corresponding to the slack state of the tightly wound spring 14 at that time.

In the above embodiment, the screw shaft 22 is supported along the longitudinal direction of the frame 1 so as to be perpendicular to the footboard 4, but as shown in FIG. Even if the handle 24 is positioned on the outer surface of the side member 2, the movement of the movable body 21 is controlled by the tightly wound spring 14, which is a flexible member.
can be transmitted to o.

As described above, the present invention has a hollow structure that has flexibility and can transmit force in the axial direction by connecting one end to the arm body and the other end to the first fixed part provided on the frame. A tightly wound spring made of a shaped member is provided, a wire is inserted through this actuating body, one end of this wire is connected to a second fixed part provided on the frame, and the other end is connected to a movable body that is reciprocated. Therefore, when the wire is pulled by the movable body, the tightly wound spring tends to straighten with the wire, and the floor plate can be rotated and raised via the arm body.

That is, according to the present invention, the movement of the movable body can be transmitted to the floor plate via the flexible tightly wound spring and the wire, so that the drive mechanism for reciprocating the movable body can be mounted to the frame at any position. is not subject to any restrictions.

[Brief explanation of the drawing]

1 to 6 show an embodiment of the present invention, in which FIG. 1 is a plan view, FIG. 2 is a side view with the floor board laid down, and FIG.
The figure is a side view with the floor plate raised, Figure 4 is a perspective view showing a part of the arm body, Figure 5 is a cross-sectional view of the connecting part between the arm body and the actuating body, and Figure 6 is a perspective view of the moving body. FIG. 7 is a plan view of a frame showing another embodiment of the present invention. 1... Frame, 6... Floor plate (second), 10... Arm body, 14... Closely wound spring, 15... - First mounting plate (first fixed part), 21... moving body, 24... wire, 25... connecting member (second fixed part).

Claims (1)

[Scope of utility model registration request] A floor plate rotatably provided on the frame, an arm body attached with one end connected to the lower surface of the floor plate, and a first arm body attached to the frame with one end connected to the arm body and the other end attached to the frame.
a tightly wound spring that is flexible and capable of transmitting force in the axial direction and connected to a fixed part; and a second fixed part that is inserted into the hollow part of the tightly wound spring and has one end attached to the frame. A rise-up bed device comprising a wire connected to the body and the other end connected to a movable body that is reciprocated.