JP2561449B2 - Bed lifting unit - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention can be easily applied to beds which are not in use and which are not equipped with a floor lifting mechanism.
The present invention relates to an elevating unit for a bed that can be mounted and has a floor elevating function.

[0002]

2. Description of the Related Art Conventionally, a so-called Gatch bed in which the back bottom and leg bottoms are undulated has been widely used not only for hospitals but also for beds at home. Gatch beds with a lifting mechanism that moves up and down have been introduced.
Since those having these functions have a shortage of hands for nurses, caregivers and the like in recent years, hydraulic driving means and electric driving means are becoming popular in order to save labor. With the bed having the above-mentioned functions, the floor can be adjusted to a desired holding position without any effort, so that the floor can be brought to a more suitable position according to the patient's illness. In addition to being able to improve the convenience of treatment, it greatly contributes to the improvement of usability.

[0003]

However, many beds already on the market do not have the above-mentioned functions. Also, if the bed is in normal use, it is not so easy to break, and because it does not have a lifting function, it is not possible to discard a bed that is still fully usable and introduce a new one. Not rational and not economical. The present invention has been proposed in view of the above background, and an object of the present invention is to provide a bed lifting unit capable of easily providing a lifting function to a bed in use.

[0004]

In order to solve the above-mentioned problems, the present invention is a bed lifting unit, in which high-low links are rotatably attached to the four corners of a base frame and in the width direction of the base frame. The high and low links that face each other are connected so that they can be interlocked via the horizontal axis,
The tip ends of the high and low links are connected by a vertical frame along the upper surface of the base frame, and a gripping frame to which the side frame of the bed body is to be attached and supported is attached to the front and rear ends of the high and low links. The horizontal axes connecting the high and low links that are located,
It is characterized in that the interlocking shaft arranged so as to be oriented in the longitudinal direction of the base frame is connected, and the interlocking shaft is provided with a starting mechanism for actuating the interlocking shaft in the axial direction. In the above-mentioned configuration, at least the operating means for giving an operating command to the activation mechanism can be selected from a hand switch that can be operated on the floor or a foot switch that can be operated by the feet. Is characterized by.

[0005]

Operation: The side frame of the existing bed is placed on the gripping frame at the tip of the high-low link rotatably provided on the base frame. As a result, the bed body is supported by the lifting unit, and the entire bed can be adjusted up and down. in this way,
By simply placing the existing bed on the lifting unit, the lifting function can be added to the bed. Therefore, since only the unit is required, the existing bed can be utilized and the facility cost can be suppressed. Since the lifting unit has a configuration in which the operating means can be selected according to the user and the use situation, for example, while the user can operate the switch by himself on the floor, he / she can not operate at all. In the case of an unaccompanied user, the caregiver can operate the foot switch while caring for the caregiver, and can utilize the lifting unit regardless of the injury or illness of the user.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a bed lifting unit according to the present invention will be described below with reference to the accompanying drawings by way of an embodiment. 1 and 2 show an elevating unit 1 for a bed. In this elevating unit 1, high-low links 3a, 3b, 3c and 3d are rotatably attached to four corners of a base frame 2 and the width direction of the base frame 2 is increased. The high-low link 3a and the high-low link 3c which face each other,
The high-low link 3b and the high-low link 3d are connected so as to be interlockable via the horizontal shafts 4a and 4b, respectively. Further, the tips of the high-low link 3a and the high-low link 3b, and the high-low link 3c and the high-low link 3d are connected by vertical frames 5a and 5b arranged along the upper surface of the base frame 2, and these high-low links 3a to At the tip of 3d, the holding frames 8a, 8b, 8c, 8 to which the side frame 7 of the bed 6 should be attached and supported.
d is attached. Further, gripping frames 8e and 8f are provided at the ends of the vertical frames 5a and 5b corresponding to the headboard 9 side of the bed 6. The horizontal shafts 4a and 4b connecting the high-low link 3a and the high-low link 3c, and the high-low link 3b and the high-low link 3d, respectively, are connected by an interlocking shaft 10 arranged so as to be oriented in the longitudinal direction of the base frame 2. Then, the interlocking shaft 10 is provided with a starting mechanism 11 for actuating the interlocking shaft 10 in the axial direction. Further, a hand switch 12 that can be operated on the floor is provided as an operation means for giving an operation command to the activation mechanism 11.
Alternatively, the foot switch 13 that can be operated by the feet is configured to be selectable.

The high-low links 3a to 3d are standing arms 14a to 1 rotatably attached to the base frame 2 side.
4d and supporting arms 15a to 15d that are shorter than the standing arms 14a to 14d.

The starting mechanism 11 has a motor 16 and a starting shaft 17 which is connected to an output shaft of the motor 16 and extends and contracts in the axial direction, and the interlocking shaft 10 is connected to the tip of the starting shaft 17. A remote control means for giving an operation command to the motor 16 is selected from a hand switch 12 that can be operated on the floor or a foot switch 13 that can be operated by the feet according to the convenience of the user. It is configured to be possible.

Next, the lifting unit 1 having the above structure
The electrical connection configuration of the activation mechanism 11 will be described. That is, as shown in FIG.
A control box 18 equipped with a control circuit (not shown) for supplying / shutting off electric power to the motor 16 in the starting mechanism 11 is provided. The control box 18 is configured to introduce a commercial power source, while being configured to supply power to the floor undulating mechanism section of the bed 6. The control box 18 and the connector means 19 are connected by a signal line, and the hand switch 12 or the foot switch 13 is selectively connected to the connector means 19.

The bed lifting unit 1 according to the present invention is constructed as described above, and its operation will be described below. The side frame 7 of the existing bed 6 is placed on the holding frames 8a to 8f on the vertical frames 5a and 5b at the tips of the high and low links 3a to 3d rotatably provided on the base frame 2. As a result, the bed 6 is in a state of being supported by the elevating unit 1. In addition, at this time, the power of the floor undulating mechanism of the bed 6 is equal to that of the lifting unit 1.
Since it is configured to be taken from the control box 18 of the power cord, a cord (not shown) for connecting to a power outlet
Since only the cord reaching the control box 18 of the lifting unit 1 is required, the electrical connection work is easy.

Next, when the activation mechanism 11 is activated by operating the hand switch 12, electric power is supplied from the control box 18 to the motor 16 and the motor 16 is activated. Then, the starting shaft 17 operates so as to reduce the axial length toward the motor 16 side.
Are interlocked so as to be pulled toward the motor 16 side, whereby the standing arms 14a to
14d can be interlocked upright via the horizontal shafts 4a and 4b to push up the support arms 15a to 15d to the same height, and the bed 6 can hold the gripping frames 8a to 8b in the vertical frames 5a and 5b.
It will rise through 8f (see FIG. 4). In this way, only by mounting the existing bed 6 on the lifting unit 1, it is possible to bring the lifting function to a bed having no lifting function. Therefore, it is not necessary to newly install a bed having an elevating function, only the elevating unit 1 is required, the existing bed can be utilized, and the facility cost can be suppressed.

Further, since the lifting unit 1 is constructed so that the foot switch 13 can be used in addition to the hand switch 12 as the operating means, the lifting and lowering unit 1 can be lifted while the user or the caregiver is caring. Since the operation can be performed, usability is further improved.

[0013]

As described above, according to the present invention, it is possible to provide an elevating function to the bed only by placing the bed which is not in use and which is already in use on the elevating unit, and purposely installing a new bed. There is no need to do so, the existing bed can be utilized and the equipment cost can be suppressed. Also, as a means for operating the lifting unit, a foot switch can be selected in addition to the hand switch, so that it is possible to deal with the injury or illness situation of the user.
Since the caregiver can perform the lifting operation while caring for the care, the usability is further improved.

[0014]

[Brief description of drawings]

FIG. 1 is an external perspective view showing an embodiment of a bed lifting unit according to the present invention.

FIG. 2 is a side view of the lifting unit shown in FIG.

FIG. 3 is a block diagram showing an electrical connection configuration in the lifting unit according to the present invention.

FIG. 4 is a schematic side-effect explanatory diagram showing an operating state when the bed lifting unit according to the present invention is operated to raise the bed or the like.

[Explanation of symbols]

1 Lifting unit 2 Base frame 3a to 3d High-low link 4a, 4b Horizontal axis 5a, 5b Vertical frame 6 Bed 7 Side frame 8a to 8f Grip frame 9 Headboard 10 Interlocking shaft 11 Starting mechanism 12 Hand switch 13 Foot switch 14a to 14d Standing Arms 15a to 15d Support arm 16 Motor 17 Start axis 18 Control box 19 Connector means

Claims (2)

(57) [Claims] 1. A bed lifting unit, wherein high-low links are rotatably attached to four corners of a base frame, and high-low links facing each other in a width direction of the base frame are linked so as to be interlockable via a horizontal axis. , The ends of the high-low links are connected by a vertical frame along the upper surface of the base frame, and a gripping frame to which the side frame of the bed body is to be attached and supported is attached to the ends of the high-low links. The horizontal shafts that connect the high and low links located at are connected by an interlocking shaft arranged so as to be oriented in the longitudinal direction of the base frame, and the interlocking shaft is provided with a starting mechanism for axially operating the interlocking shaft. A bed lifting unit characterized by being configured. 2. The operation mechanism for giving an operation command to the activation mechanism is configured such that at least a hand switch that can be operated on the floor or a foot switch that can be operated by feet can be selected. The lifting unit for beds according to claim 1, wherein