JPH0450027Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a movable side fence that can raise and lower the back of a bed.

(Prior Art) Generally, it is well known that the side rails provided on the side frames of a bed have a function of preventing the futon from falling. These side fences are commercially available with various structures, such as fences that can be simply inserted into the side frame, foldable fences, and fences that rotate and lower.

(Problem to be solved by the invention) By the way, in a back-raised bed equipped with side rails having the above-described structure, when the back is raised, the upper end of the side rails only extends to the patient's abdomen. In the event of an emergency, the patient may fall from the back floor to the side of the bed, and the side rails may not be able to support the patient's body, and in the worst case scenario, there is a concern that the patient may climb over the side rails and fall down. ing.

The present invention has been made to overcome the above-mentioned problems.

(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention provides a side fence that is detachable from the side frame of the bed and has a back raising mechanism for raising and lowering the back floor. The structure is divided into a leg portion, a first side fence and a second side fence that are fixedly held on the leg portion, and the upper frames of the first side fence and the second side fence are pivoted via a hinge. connecting the first side fence with a hollow frame having an arc shape extending from the upper frame of the first side fence to the leg, and having an open end at one end located near the leg; The lower frame is
A circular arc portion that can move forward and backward into the hollow frame from the open end of the hollow frame is provided, a plurality of locking holes are bored in the circular arc portion, and the locking hole is locked in the vicinity of the open end. A locking mechanism is provided to hold the second side fence at multiple angle positions.

Further, the present invention provides a side rail that is detachably attached to a side frame of a bed that has a back raising mechanism for raising and lowering the back floor. The structure is divided into a fence and a second side fence, and the upper frames of the first side fence and the second side fence are pivotally connected via a hinge, and the upper frame of the first side fence and the upper frame of the second side fence are connected to each other via a hinge. A hollow frame is provided which has an arc shape extending from the frame to the leg and has an open end at one end located near the leg, and the lower frame of the second side fence moves forward and backward into the hollow frame from the open end of the hollow frame. A flexible arc portion is provided, the open end of the hollow frame is expanded, and the outside of the hollow frame near the open end is threaded, and a threaded frame is provided on the outside of the hollow frame near the open end. By tightening the circular arc portion of the second side fence through the open end with this screw frame, the second side fence is held at an arbitrary angle.

(Function) According to the present invention, when the caregiver activates the back-lifting mechanism to raise the back, the caregiver grasps the second side rail while releasing the locked state of the locking mechanism, and pulls it upward.
The second side fence rotates, and the locking mechanism locks into a plurality of locking holes drilled in the arcuate portion, thereby holding the second side fence at a predetermined position and angle. In this way, the second side rail can raise the patient's back and hold it up and down at a position corresponding to the back floor, so even if the patient falls from the back floor toward the side of the bed, the second side rail can is supported by the second side fence;
This makes it possible to avoid the worst situation in which the patient falls off the bed.

Furthermore, the locking mechanism can also fix and hold the second side fence steplessly. That is, the second
The arc part of the side fence is placed at the open end of the hollow frame,
This is accomplished by tightening through the open end with a screw frame.

(Example) Next, an example of a bed equipped with a movable side rail according to the present invention will be described below with reference to the attached drawings.

In FIG. 1, reference numeral 1 indicates a movable folding side rail, and this movable side rail 1 is detachable from a bed side frame (not shown) having a back raising mechanism for raising and lowering the back floor. It can be installed on. That is, this movable side fence 1 has legs 2
It is divided into a first side fence 3 and a second side fence 4 which are fixedly held on this leg portion 2.

The upper frames 5 and 6 of the first side fence 3 and the second side fence 4 are
They are pivotally connected to each other via a hinge 7. The first side fence 3 is provided with a hollow frame 8 which has an arc shape extending from the upper frame 5 of the first side fence 3 to the leg portion 2 and is open at one end located near the leg portion 2.

On the other hand, the lower frame 9 of the second side fence 4
from the open end 10 that is the open end of the hollow frame 8
It has an arcuate part 11 that can freely move forward and backward, and a plurality of locking holes 12 are bored in this arcuate part 11, and near the open end 10, by locking in the locking holes 12, the A locking mechanism 13 is provided to hold the second side fence 4 in multiple angular positions.

Here, FIG. 2 shows the locking mechanism 13.
As can be easily understood from the figure, the locking mechanism 13
The spring member 14 is inserted into the locking hole 12 of the circular arc portion 11.
The pin member 16 attached to the operating knob 15 is always fitted into the locking hole 12 by the resilient urging force.

The movable side fence 1 according to the present invention is constructed as described above, and its operation will be explained next.

As shown in Figure 3, when raising the back of the bed by operating the back-lifting mechanism (not shown), the caregiver must:
While releasing the locked state of the locking mechanism 13, the second side fence 4 is grasped and pulled upward. That is, by pulling the operation knob 15 against the elastic force of the spring member 14 of the locking mechanism 13, the pin member 16 is inserted into the locking hole 1.
2, and while releasing the lock of the pin member 16, the second side fence 4 is pulled up and rotated. Second
The arcuate portion 11 of the side fence 4 is pulled out from the open end 10, which is the open end of the hollow frame 8, and the second side fence 4 rotates about the hinge 7 to engage the pin of the locking mechanism 13. The member 16 again has locking holes 12 formed at different positions depending on the elastic force of the spring member 14.
The second side fence 4 is held at a predetermined position and angle.

In this way, the second side rail 4 can raise the patient's back and hold it up and down at a position corresponding to the back floor (see Fig. 4), so that the patient does not fall down from the back floor toward the side of the bed. Even if something happens, the patient will be supported by the second side rail 4, making it possible to avoid the worst situation of the patient rolling off the bed.

Furthermore, the second side fence can also be fixed and held steplessly. That is, as shown in FIG.
The outside of the hollow frame 8 in the vicinity of 0 is threaded, and a screw frame 17 that is screwed onto the outside of the hollow frame 8 in the vicinity of the open end 10 is provided.

By such means, the arcuate portion 11 of the second side fence 4
is achieved by tightening the screw frame 17 at the open end 10 of the hollow frame 8 via the open end 10 (see FIG. 5b).

(Effects of the invention) According to the invention, when the back raising mechanism is operated to raise the back, the second side fence is pulled upward while releasing the locked state of the locking mechanism. rotates, and the locking mechanism locks into a plurality of locking holes drilled in the arcuate portion, so that the second side fence is at a predetermined position.
held at an angle. For this reason, the second side rail can raise the back and hold it up and down at a position corresponding to the back floor, so even if the patient falls from the back floor toward the side of the bed, the patient can Supported by the second side rail, it is possible to avoid the worst situation of the patient rolling off the bed.

Furthermore, the locking mechanism can also fix and hold the second side fence steplessly. That is, the second
The arc part of the side fence is placed at the open end of the hollow frame,
This is accomplished by tightening through the open end with a screw frame.

As mentioned above, the movable side fence according to the present invention is easy to operate and has a simple mechanism, so there is no cost problem.

[Brief explanation of the drawing]

Fig. 1 is a perspective explanatory view showing one embodiment of the movable side fence according to the present invention, and Fig. 2 is an A-A shown in Fig. 1.
A cutaway view of the locking mechanism cut along the line,
3 and 4 are explanatory diagrams of the operation of the movable side fence shown in FIG. 1, and FIGS. 5a and 5b are explanatory diagrams of another embodiment of the locking mechanism and its operation. 1... Movable side fence, 2... Leg, 3... First side fence, 4... Second side fence, 5, 6... Upper frame, 7... Hinge, 8... Hollow frame, 9 ... Lower frame, 10 ... Open end, 11 ... Arc part, 12 ... Locking hole, 13 ...
Locking mechanism, 14... Spring member, 15... Operation knob, 16... Pin member, 17... Screw frame.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) In a side rail that is detachable from the side frame of a bed and has a back raising mechanism for raising and lowering the back floor, this side rail is fixedly held by a leg portion and the leg portion. divided into a first side fence and a second side fence,
The upper frame of the first side fence and the second side fence are pivotally connected via a hinge, and the first side fence has an arcuate shape extending from the upper frame of the first side fence to the leg, and a leg. The lower frame of the second side fence is provided with an arcuate part that can move forward and backward into the hollow frame from the open end of the hollow frame, and this arcuate part has a plurality of A movable side, characterized in that a locking hole is bored and a locking mechanism is provided near the open end to hold the second side fence at a plurality of angular positions by locking in the locking hole. fence. (2) In a side rail that is detachably attached to the side frame of a bed that has a back raising mechanism for raising and lowering the back floor, this side rail has a leg, a first side rail fixedly held on this leg, and a second side rail. The mechanism is divided into two side fences,
The upper frame of the first side fence and the second side fence are pivotally connected via a hinge, and the first side fence has an arcuate shape extending from the upper frame of the first side fence to the leg, and a leg. The lower frame of the second side fence is provided with a circular arc portion that can freely move forward and backward into the hollow frame from the open end of the hollow frame, and The outer side of the hollow frame near the open end is formed with a screw thread, and a threaded frame is provided on the outer side of the hollow frame near the open end, and the threaded frame is used to pass the opening through the open end. A movable side fence characterized in that the second side fence is held at an arbitrary angle by tightening an arc portion of the second side fence.