JPH0716463B2 - Side fence device for bed raising - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a back-raising-type side fence device in a bed which is compatible with a bed having a floor undulating mechanism.

[0002]

2. Description of the Related Art Some of the side fences in recent beds have various structures such as a fence that can be simply inserted into a side frame, a foldable fence, and a fence that rotates and descends.

[0003]

By the way, the side fences normally function when the bed is in a normal state. When the side fence is provided in a bed having a floor undulating mechanism, the side fence is in a state of raising the back. Thus, the upper edge of the side fence extends only up to the patient's abdomen, so that, for example, in the event of an emergency for the patient, the patient falls from the back bed toward the bed side and the side fence supports the patient's body. It has been pointed out that in the worst case, the patient may roll over the side fence and roll over, in the worst case. The present invention has been made to overcome the above-described problems, and an object of the present invention is to provide a back-raising-compatible side fence device in a bed that can safely and reliably support a patient regardless of the back-raising position. .

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention divides the floor portion into separate parts and raises and lowers the floor portion.
In a bed provided with a mechanism, the floor undulation mechanism is
It is equipped with a back-raising mechanism that adjusts the back and forth that make up the
The back raising mechanism of the motor is a motor and a drive that moves back and forth by the motor.
A back-raising link that is rotationally displaced by the operation of the drive shaft and drive shaft
And the back-raising link is started by rotationally displacing.
It has an operating arm to lie down, and on the lower surface of the back floor, a side fence support shaft,
It is rotatably attached and oriented in the bed width direction.
Touch the operating arm of the back raising link in the back raising mechanism.
On the other hand, at both ends of the side fence support shaft
Attach the side fence and attach it to the side fence support shaft at right angles to the axis.
The operating arm so that it is attached to the lower end of this operating arm.
Connect the connecting arm so that it can rotate, and connect this connecting arm to the main frame.
Rotatably connected to the arm, and
Allow the fence to rotate within a specified range and hold the side fence
It has a rotation locking mechanism, and the back raising mechanism raises and lowers the back floor.
Together, the side fence support shaft is interlocked to move the side fence to the undulating position of the back floor.
On the other hand, while rotating the side fence support shaft, the side fence is almost constant.
It is characterized in that it is configured to be held at the support angle of . In addition, the rotation locking means in the rotation locking support portion is a projection provided on the side wall support shaft side in a predetermined angle range on the engagement surface between the side wall support shaft end and the side rail support. And a protrusion provided on the side of the support of the side fence. Further, the rotation locking means in the rotation locking support portion has a plurality of meshing teeth which allow displacement in one direction, on the engaging surface between the side rail support shaft end and the side rail support. It is a thing.

[0005]

[Operation] When the floor undulation mechanism is activated to raise the back, and the back floor is raised, the side arm support shaft on the lower surface of the back floor and the operating arm integrated with the connecting arm attached to the main frame , It is retracted and displaced, and the side fence support shaft rotates in the direction opposite to the rising direction by the rising angle of the back bed. Therefore, the side rail is held at the initial support angle only by raising the pivotal locking support portion, which is an attachment portion with the side rail support shaft, by raising the back bed. Further, when the side fence is turned to the outer side of the back floor, the action of the rotation locking means is released, the side fence is rotationally displaced by a predetermined angle, and the projection portion of the engagement surface is engaged again, whereby the side fence is engaged. , The side fences are oriented toward the lower back and are held.

Further, in the structure in which the rotation locking means engages a plurality of meshing teeth provided on the side fence support shaft side and the side fence support, the side fence rotates at a predetermined angle in one direction. It is possible to hold this side fence stepwise and store it under the back floor. Therefore, the side fence can be adjusted according to the rising state of the back floor.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a back-raising side fence device for a bed according to the present invention will be described below with reference to the accompanying drawings with reference to an embodiment. In FIG. 1, reference numeral 1 denotes a back-raising side fence device in a bed, and this back-raising side fence device 1 is attached to a bed 2 having a floor undulating mechanism (described later).

That is, as shown in FIG. 2, the bed 2 is configured such that a holding frame 5 having a floor undulating mechanism 4 incorporated in a main frame 3 and a floor 6 are attached by fixing means 7 and 8. It is a thing.

The floor 6 is divided into a back floor 6a, a waist floor 6b, a knee floor 6c and a leg floor 6d, and has a structure in which a bottom surface is attached to a support frame 9 corresponding to each length. . The structure is such that the supporting frame 9 is attached to the fixing means 8 in the main frame 3 via the supporting arm 10 and the holding frame 5 which are provided at a position corresponding to the waist floor 6b.

The floor raising / lowering mechanism 4 has a back raising mechanism 11 and a knee raising mechanism 12 incorporated in a holding frame 5, and the back raising mechanism 11 and the knee raising mechanism 12 have motors 11a and 12a, respectively. Drive shafts 11b and 12b that move forward and backward by starting the motors 11a and 12a, and these drive shafts 1
Back raising link 11 attached to the tip of 1b, 12b
c, a knee-raising link 12c.

At the position corresponding to the back floor 6a of the support frame 9 of the floor 6, a side fence support shaft 13 is rotatably attached in the bed width direction.
The side fences 15 are attached to the both ends through the rotation locking support portions 14. In addition, the side fence support shaft 13 and the back floor 6
The main frame 3 on the side of a is connected with the operating arm 13a of the side fence support shaft 13 and the connecting arm 16 rotatably attached. Then, the operating arm 11d of the back raising link 11c of the back raising mechanism 11 contacts the side fence support shaft 13,
The actuating arm 12d of the knee raising link 12c of the knee raising mechanism 12 is in contact with the support frame 9 at a position corresponding to the leg floor 6d.

The rotation locking support portion 14 serves as a rotation locking means, and has a protrusion 17 protruding from the side fence support shaft 13 side.
The side fence 15 has a protrusion 18 provided on a column 15a, and the protrusions 17 and 18 engage with each other to hold the side fence 15 in a substantially horizontal state and rotate the side fence 15 at a predetermined angle in one direction. Is allowed and stored under the back floor 6a.

The back raising type side fence device 1 in the bed 2 described above functions as follows. When the floor 6 is in the normal state, the side fence 15 is held in a substantially horizontal state (see FIGS. 3 and 7). Here, when the floor undulating mechanism 4 is activated to raise the back and the back floor 6a is raised, the operating arms 13a of the side fence support shafts 13 on the lower surface of the back floor 6a are attached to the main frame 3. By the connecting arm 16,
The side fence support shaft 13 is pulled in and displaced, and the side fence support shaft 13 rotates in the direction opposite to the rising direction by the rising angle of the back floor 6a. Therefore, the rotation locking support portion 14, which is an attachment portion with the side fence support shaft 13, is attached to the back floor 6.
When you wake up a, you only have to go up (see FIGS. 8 and 9),
The side fence 15 is held in the initial state, that is, in a substantially horizontal state (see FIG. 5). Further, when the side fence 15 is turned to the outside of the back floor 6a, the action of the rotation locking means is released, the side fence 15 is rotationally displaced by a predetermined angle, and the protrusions 17 and 18 are again formed.
Are engaged with each other, whereby the side fence 15 is held in a state of being directed downwardly of the back floor 6a (see FIG. 6).

As described above, even if the user raises his / her back, the side fence 15 follows the wake of the back 6a and always guards the patient's side. Therefore, the patient falls from the floor 6 to the side of the bed 2. Even if there is such a thing, the patient is the side fence 1
Supported by 5, it is possible to avoid the worst case of the patient rolling off the bed. Further, since the side fence 15 can be stored under the back floor 6a when it is not used, it does not interfere with the treatment of getting on and off the bed 2 and the treatment.

Next, the back raising type side fence device in the bed according to the present invention may be constructed as follows. In this case, as shown in FIG. 10, the back raising-compatible side fence device 20 serves as a rotation locking means of the rotation locking support portion 21 on the side rail support shaft 13 side and the side fence 15 column 15a. A plurality of meshing teeth 21a, 21 that allow displacement in the direction
b is provided. That is, the rotation locking support portion 21
Has a structure in which the side fence 15 is allowed to rotate in one direction at a predetermined angle and is held stepwise, and is stored below the back floor 6a. It should be noted that the rotation locking support portion 21 may hold the side fence 15 at any number of stages. Further, the rotation locking support portion 21 holds the side fence 15 stepwise according to the rising of the back floor 6a by an appropriate means, and finally, the back floor 6a.
It has a structure in which the side fence 15 is displaced so as to be stored below a and is returned to the initial holding position (see FIG. 11).

Also in the back-raising-compatible side fence device 20, since the side fence 15 can be rotated stepwise by a predetermined angle and held stepwise, it can be stored below the back floor 6a. According to the rising state of the back floor 6a, the side fence 15 is adjusted to constantly guard the patient's side,
Even if the patient falls from the floor 6 toward the side of the bed 2, the patient is supported by the side fences 15, and the worst situation in which the patient falls off the bed can be avoided.

[0017]

As described above, according to the present invention, since the side fences follow the wake-up of the floor and constantly guard the side of the patient, the patient falls from the floor toward the bed side. Even so, the patient is supported by the side fences, which makes it possible to avoid the worst case of the patient rolling off the bed. Also, since the side fence can be stored under the floor when not in use,
Getting in and out of bed does not interfere with treatment.

[0018]

[Brief description of drawings]

FIG. 1 is a schematic overall perspective view showing an embodiment of a bed to which a back raising-compatible side fence device according to the present invention is applied.

FIG. 2 is an exploded perspective view of the bed shown in FIG.

FIG. 3 is a side view for explaining the holding position of the back raising-supporting side fence device in the normal state of the bed shown in FIG. 1.

4 is a side view for explaining the holding position of the back-raising-supporting side fence device in the state where the bed shown in FIG. 1 is raised.

FIG. 5 is a view for explaining the action of the rotation locking support portion of the back raising-compatible side fence device.

FIG. 6 is a view for explaining the action of the rotation locking support portion of the back raising-compatible side fence device.

FIG. 7 is a diagram illustrating a positional relationship between a back raising-compatible side fence device and a floor portion.

FIG. 8 is a diagram illustrating a positional relationship between a back raising-compatible side fence device and a floor portion.

FIG. 9 is a diagram illustrating the positional relationship between a back-raising-supporting side fence device and a floor portion.

FIG. 10 is a perspective view of an essential part showing another embodiment of the back-raising side fence device according to the present invention.

FIG. 11 is a view for explaining the action of the rotation locking support portion of the back raising-compatible side fence device shown in FIG. 10.

[Explanation of symbols]

 1, 20 Back-supporting side fence device 2 Bed 3 Main frame 4 Floor undulating mechanism 5 Holding frame 6 Floor 6a Back floor 6b Waist floor 6c Knee floor 6d Leg floor 7, 8 Fixing means 9 Support frame 10 Support arm 11 Back raising mechanism 12 Knee raising mechanism 11a, 12a Motor 11b, 12b Drive shaft 11c Back raising link 12c Knee raising link 12d Actuating arm 13 Side fence support shaft 14, 21 Rotation locking support part 15 Side fence 16 Connecting arm 17, 18 Protrusions 21a, 21b Interlocking teeth

Claims (3)

[Claims] 1. A floor undulating machine having a divided floor section.
In a bed with a structure, the floor undulating mechanism is
With a back raising mechanism that adjusts the back and forth that make up
The back raising mechanism is a motor and a drive that moves back and forth by the motor.
Shaft and back-raising link that is rotationally displaced by the operation of the drive shaft
And the back-raising link is undulated by rotational displacement.
A side fence support shaft on the lower surface of the back floor.
Oriented in the width direction of the vehicle
Abut the operating arm of the back-raising link in the back-raising mechanism.
On the other hand, on both sides of the side fence support shaft,
Attach the side fence and attach it to the side fence support shaft so that it is orthogonal to the axis.
The operating arm in a protruding manner and rotate it to the lower end of this operating arm.
Connect the connecting arm so that it can move, and connect this connecting arm to the main frame.
Rotatably connected to the side fence.
The rotation of the side fence is permitted and
It has a dynamic locking mechanism and the back raising mechanism allows
Also, link the side fence support shaft to the side fence to the undulating position of the back floor.
On the other hand, a side fence device capable of raising a back in a bed, characterized in that the side fence support shaft is rotated to hold the side fence at a substantially constant support angle. 2. The rotation locking means in the rotation locking support portion is provided on the side rail support shaft side in a predetermined angle range at the engagement portion between the side rail support shaft end and the side rail support. The back-support-type side fence device for a bed according to claim 1 , characterized in that the side fence device comprises a raised portion and a protrusion provided on the side of the side fence. 3. The rotation locking means in the rotation locking support portion has a plurality of meshing teeth which allow displacement in one direction at an engaging portion between the side rail support shaft end and the side rail support. The side-fence-supporting side fence device for a bed according to claim 1, wherein the side fence device is formed.