JPH03212211A - Bed equipped with mechanism for conversion to chair - Google Patents

Abstract

PURPOSE:To enable a patient to take a sitting posture arbitrarily without any need of a helper by rising a back floor via the patient's own operation of a bed floor rising mechanism and a drive mechanism for causing the retreat of a foot side frame to a bed body side frame, and causing the retreat of a foot floor to a foot floor side. CONSTITUTION:A helper removes a footboard 16, and operates a gas spring 4 and an advance and retreat drive mechanism 9. As a result, a back floor 5 rises and a female screw 12 moves along the screw shaft of the advance and retreat mechanism 9 toward a headboard 15. Concurrently, a roller 8 rolls within a bed body side frame 2 and a foot side frame 3 retreats in the body side frame 2. On the other hand, a foot floor 7 retreats toward a wast floor 6. A mattress 17 is pulled toward the body side frame 2 without any looseness, together with the retreat of the foot side frame 3 toward the body side frame 2, as the side end of the footboard 16 is pulled toward the body side frame 2 via a spring member 19. As a result, a patient's stepping floor can be maintained in a sitting posture, and a stable sitting condition is ensured. A floor rising mechanism and the drive mechanism 9 are again operated to restore a normal bed state.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a bed equipped with a chair state conversion mechanism that has the function of raising and lowering or moving the floor to change the bed from a chair state.

(Prior art) For example, for patients who are forced to live in bed for long periods of time, changing their body position and moving on the floor of the bed to move to another place is a great burden and painful. It is something. Furthermore, living in bed for a long period of time has various adverse effects both physically and mentally, and patients are often forced to change from a supine position to a sitting position or take other positions. For this purpose, the above-mentioned operations are performed with the help of a caregiver, but it cannot be denied that it is a great effort for the caregiver as well.

Therefore, conventionally, beds have been devised that are equipped with a floor raising/lowering mechanism or a floor moving mechanism that allows the patient to perform the above-described operations without the help of a caregiver.

(Problems to be Solved by the Invention) By the way, the above-mentioned bed has a function that allows the patient to lie up and down with his feet on the floor of the hospital room, that is, to take the posture of sitting on a chair. It is desirable to be present. This position is not painful for the patient, it is stable, and it has various advantages such as being able to practice standing position and transferring to a wheelchair etc. at any time. It is from.

However, in order to achieve the above, processing of the leg floor becomes a problem. One way to deal with this is to separate the leg floor. Therefore, the operation is troublesome, and in a narrow hospital room, the placement of the leg bed becomes a problem. Furthermore, when returning the bed to its normal state, the legs must be connected each time.
Complications cannot be avoided. The present invention has been made in view of this point.

(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention provides a structure in which a drawing frame that supports a leg floor can be moved back and forth from a main body side frame that supports a suit having a back raising mechanism and a waist floor. At the same time, the leg floor is configured to be movable toward and away from the waist floor, and the footboard side end of the pinerest is arranged so that the drawing frame is wrapped around the pinerest to be placed on the suit, the waist floor, and the leg floor. A spring member is used to pull it toward the main frame side.

Further, in the present invention, the main body side frame is a hollow frame having a rectangular cross section, the drawing frame is provided with a rolling member for moving forward and backward within the main body side frame, and the main body side frame is provided with a rolling member for moving forward and backward within the main body side frame. , a drive mechanism is provided for moving the drawing frame forward and backward.

Further, in the present invention, the back raising mechanism is composed of a gas spring.

(Operation) First, the caregiver removes the footboard. 4. The bed may not have a footboard.

The patient then operates the back raising mechanism, such as a gas spring and drive mechanism. The suit rises and falls, and as a result, the drawing frame moves toward the frame on the main body side, while the leg floor moves toward the waist floor.

By the way, the end of the pinerest on the footboard side is pulled toward the frame on the main body side by the spring member, so when the drawing frame is moved to the frame on the main body side, the pinerest can move the footboard without sagging. While rolling it up, it bends towards the main frame side. As a result, a floor is secured for the patient to rest his or her feet on while in an up-and-down position, allowing the patient to take a stable sitting position.

(Example) Next, a bed equipped with a chair state conversion mechanism according to the present invention will be described below with reference to the accompanying drawings.

In FIG. 1, reference numeral 1 indicates a bed main body, and this bed main body 1 is provided with a main body side frame 2 which is a hollow frame having a square cross section, and a drawing frame 3 which is movably provided on the main body side frame 2.

The body side frame 2 supports a back raising mechanism, that is, a suit 5 having a gas spring 4 and a waist bed 6 consisting of pipes provided at predetermined intervals in the longitudinal direction of the bed.

A leg bed 7 made of a plurality of pipes that can move forward and backward into the waist bed 6 is fixed to the drawing frame 3.

The drawing frame 3 is supported within the main frame 2 via rollers 8. Also, drawing frame 3
, there is a forward/backward drive mechanism 9 attached to the main body side frame 2.
A motor 10 constituting the motor 10 is attached with a female screw 12 that moves on a screw shaft II attached to the motor 10. Further, the drawing frame 3 is provided with movable legs 14 having wheels 13. 15 and 16 indicate a removable headboard and footboard.

A pinerest 17 as shown in FIG. 2 is placed on the suit 5, waist floor 6, and pusher 7 of the bed body 1.

This pinerest 17 is provided with hook-and-loop fasteners 18 on both sides for wrapping around and fixing the pipes constituting the waist floor 6, and furthermore, on the end corresponding to the footboard 16, one end is placed on the main body side. A hole 20 is provided for attaching the other end of the spring member 19 attached to the lower part of the frame 2,
The end of the mattress 17 on the footboard 16 side is supported in tension so as to wrap around the footbed 7. The leg floor 7
A freely rotatable roller 21 is provided at the contact portion between the winding portion of the pinerest 17 and the winding portion of the pinerest 17 .

The bed equipped with the chair state conversion mechanism according to the present invention is constructed as described above, and its operation will be explained next.

First, as shown in FIG. 3, after the footboard 16 is removed by a caregiver, the patient operates the gas spring 4 and the forward/backward drive mechanism 9. While the back stroke 5 rises and falls, the female screw 12 moves on the screw shaft 11 of the advance/retreat drive mechanism 9 toward the headboard I5, and as a result, the roller 8 of the drawing frame 3 rolls within the frame 2 on the main body side. As a result, the drawing frame 3 is moved into the frame 2 on the main body side, while the leg floor 7 is moved toward the waist floor 6 side.

By the way, the end of the pinerest I7 on the footboard 16 side is pulled toward the main frame 2 by the spring member 19, so when the drawing frame 3 is moved to the main frame 2, the pinerest 17 is , the drawing frame 3 is smoothly drawn into the frame side 2 on the main body side by the action of the rollers 21 without sagging. As a result, a floor is secured for the patient to rest his or her feet in the upright position, and the patient is placed in a stable upright position (see FIGS. 4 and 5).

Although one embodiment of the present invention has been described above, the gas spring 4 serving as the back lifting mechanism may be replaced with a motor. Moreover, other rolling members or sliding members may be used instead of the rollers 8 for moving the drawing frame 3 within the main frame 2.

(Effects of the Invention) According to the present invention, by the patient operating the back raising mechanism and the drive mechanism, the patient's back stroke rises and falls, and accordingly, the drawing frame moves to the main body side frame, while the patient's legs move upward and downward. The floor is on the lumbar side. As a result, the bed instantly changes to a chair state, and a floor is secured for the patient to rest his or her feet in the upright position, allowing the patient to assume a stable upright position. To return to the normal state again, the back raising mechanism and drive mechanism can be operated.

In this way, patients can take up and down postures at any time by their own operations without the help of a caregiver, and there are no other operations such as adjusting the leg floor, so it is especially useful for long-term bed rest. This bed is suitable for people.

[Brief explanation of drawings]

FIG. 1 is an overall perspective view showing one embodiment of a bed equipped with a chair state conversion mechanism according to the present invention, FIG. 2 is a diagram illustrating the pinerest of the bed shown in FIG. 1 and the attachment of the pinerest, and FIG. , FIG. 4, and FIG. 5 are explanatory diagrams of the operation of a bed equipped with a chair state conversion mechanism according to the present invention.

Claims (3)

[Claims] (1) The leg side frame supporting the leg floor is configured to be movable in the main body side frame supporting the back floor and the lumbar floor having a back raising mechanism, and the leg side frame is configured to be movable in and out of the lumbar floor; The footboard side end of the mattress is pulled toward the main body side frame by a spring member so that the leg side frame is wrapped around the mattress to be placed on the back floor, lumbar floor, and leg floor. A bed equipped with a chair state conversion mechanism. (2) The main body side frame according to claim 1 is a hollow frame having a square cross section, and the leg side frame is provided with a rolling member for moving forward and backward within the main body side frame, and the leg side frame is provided with a rolling member for advancing and retracting inside the main body side frame. A bed equipped with a chair state conversion mechanism, characterized in that it is provided with a drive mechanism for driving the leg side frame forward and backward. (3) A bed equipped with a chair state changing mechanism, wherein the back raising mechanism according to claim 1 is comprised of a gas spring.