JP3173529U - Handrail lifting device - Google Patents

Abstract

A handrail elevating device capable of preventing a handrail member from interfering when a person who does not need assistance uses a toilet seat or a chair.
A handrail elevating device having a support column, a lifting member movable up and down along the support column, a driving device for moving the lifting member, and a base end connected to the lifting member. The handrail member 40 is rotatable, and the motor 32 of the driving device 30 is provided on the upper surface side of the support member 31 disposed on the upper portion of the support column 10. The lower surface 31a is formed with an inclined surface 51 disposed immediately above the handrail member 40, and the inclined surface 51 protrudes forward from the lower edge portion toward the upper edge portion.
[Selection] Figure 2

Description

  The present invention relates to a handrail lifting device.

  As a handrail elevating device for nursing care for assisting those who are difficult to get up from the toilet seat, such as elderly people or people with reduced mobility, And a handrail member that is movable in the vertical direction along the column (see, for example, Patent Document 1).

  When the user sits on the toilet seat using the handrail lifting device described above, the handrail member is put on both sides of the user and the handrail member is lowered while leaning against the handrail member. In this handrail lifting device, the user can sit on the toilet seat while the body is supported by the handrail member. Further, when the user stands up from the toilet seat, if the handrail member is raised with the handrail members on both sides, the user can stand up while the body is supported by the handrail member.

JP 7-313404 A

  In the conventional handrail elevating device described above, the handrail member protrudes greatly on both sides of the toilet seat, and thus there is a problem that the handrail member becomes an obstacle when a person who does not need assistance uses the toilet seat.

  An object of the present invention is to solve the above-described problems and to provide a handrail lifting device that can prevent a handrail member from interfering when a person who does not need assistance uses a toilet seat or a chair. .

  In order to solve the above problems, the present invention is a handrail elevating device, a support column, an elevating member that is movable in the vertical direction along the support column, a driving device for moving the elevating member, and a base end A handrail member connected to the elevating member and having a tip portion extended forward. The handrail member is rotatable with respect to the elevating member. The motor of the drive device is provided on the upper surface side of the support member disposed on the upper portion of the support column, and an inclined surface disposed immediately above the handrail member is formed on the lower surface of the support member. . Moreover, the said inclined surface protrudes ahead as it goes to a top edge part from a lower edge part.

In this configuration, when a person who does not need assistance uses the toilet seat or chair, the handrail member is raised and the handrail member is raised to ensure a wide space around the toilet seat or chair.
Further, when the handrail member is raised in the raised state, the tip end portion of the handrail member comes into contact with the inclined surface, and the handrail member is pushed by the inclined surface and rises while tilting forward. Thereby, since the handrail member ascends avoiding the motor, the handrail member can be disposed at a sufficiently high position even in the configuration in which the motor is disposed on the upper portion of the support column.
And by arrange | positioning a motor to the upper part of a support | pillar, since a floor space required in order to install a handrail raising / lowering apparatus becomes small, it becomes easy to install a handrail raising / lowering apparatus in narrow floor spaces, such as a toilet room.

  In the handrail raising / lowering device described above, when a constant load spring that applies a constant load to the handrail member in the rotation direction is provided at a connection portion between the handrail member and the elevation member, the handrail member is applied with a small force. And the handrail member can be prevented from being lowered by its own weight.

  According to the handrail lifting and lowering device of the present invention, when a person who does not need assistance uses a toilet seat or a chair while arranging the motor on the upper part of the support column to facilitate installation in a narrow floor space, Since a wide space can be secured around the handrail member, the handrail member can be prevented from becoming an obstacle.

It is the front view which showed the handrail raising / lowering apparatus of this embodiment. It is the figure which showed the handrail raising / lowering apparatus of this embodiment, and is a side view when a user sits on a toilet seat. It is the figure which showed the handrail raising / lowering apparatus of this embodiment, and is a side view when a user stands up from a toilet seat. It is the figure which showed the handrail member of this embodiment, (a) is the side view of the state which turned down the handrail member, (b) is the side view of the state which raised the handrail member. It is the figure which showed the handrail raising / lowering apparatus of this embodiment, and is the side view which showed the aspect in which a handrail member inclines with a guide member.

Embodiments of the present invention will be described in detail with reference to the drawings as appropriate.
In the present embodiment, a nursing handrail lifting device installed in a toilet room will be described as an example in order to assist an elderly person or a handicapped person to sit on a toilet seat or to get up from the toilet seat. .

  As shown in FIG. 1, the handrail elevating device 1 of the present embodiment includes two support columns 10 that are erected on the left and right sides of the toilet seat S, and two elevating members 20 that are movable in the vertical direction along the support columns 10. And a driving device 30 for moving each elevating member 20 and two handrail members 40 respectively connected to each elevating member 20.

  The column 10 is a column vertically provided on the side of the toilet seat S. The upper end surface is pressed against the ceiling surface T1 of the toilet room T, and the lower end surface is pressed against the floor surface T2. The support column 10 is extendable in the axial direction, and is fixed in a stretched state between the ceiling surface T1 and the floor surface T2.

The elevating member 20 is a box body through which the support column 10 penetrates in the vertical direction, and is movable in the vertical direction along the support column 10.
Between the left and right elevating members 20, there are provided connecting members 21 whose left and right ends are attached to the elevating members 20. An intermediate portion of the connecting member 21 in the left-right width direction is attached to a movable member 34 of the driving device 30 described later. That is, each lifting member 20 is supported by the movable member 34 of the driving device 30.

As shown in FIG. 4A, the handrail member 40 has a proximal end portion connected to the elevating member 20 and a distal end portion extending forward.
The handrail member 40 is formed by bending a rod-shaped member having a circular cross section into a U-shape, and a bent portion 41 that connects the tip portion of the upper side portion 40a and the tip portion of the lower side portion 40b is formed. In addition, a flexible resin pad 45 is fitted on the upper side portion 40a.

  The base end part 42a of the upper side part 40a is attached to the rotation spindle 43 which protruded from the inner surface of the raising / lowering member 20 in the left-right direction (refer FIG. 1). The rotation support shaft 43 is attached to the lifting member 20 so as to be rotatable about the axis. Therefore, the handrail member 40 is pivotally supported with respect to the elevating member 20 with the rotation support shaft 43 as a rotation center.

When the handrail member 40 is rotated upward, the rotation angle of the rotation support shaft 43 is restricted so that the axial direction of the upper side portion 40a stops at a position slightly inclined forward from the vertical. ing.
Further, as shown in FIG. 4A, in a state where the axial direction of the upper side portion 40a is horizontally arranged, the base end portion 42b of the lower side portion 40b is provided on the stopper 44 protruding from the inner side surface of the elevating member 20. By the contact, the downward movement of the handrail member 40 is restricted.
In this way, the handrail member 40 is located on the lifting member 20 between a state in which it is hung horizontally (the state in FIG. 4A) and a state in which the handrail member 40 is raised substantially vertically (the state in FIG. 4B). And can be rotated freely.

A constant load spring (not shown) that applies a constant load in the rotation direction to the handrail member 40 is provided on the rotation support shaft 43 that is a connecting portion between the handrail member 40 and the elevating member 20.
The constant load spring according to the present embodiment winds a thin metal plate with a constant curvature and draws the end of the metal plate in a straight line, so that a constant load is applied to the metal plate regardless of the drawing length of the metal plate. Is configured to occur.

  By providing the constant load spring on the rotation support shaft 43, a load equivalent to the weight of the handrail member 40 is always acting upward on the handrail member 40. Therefore, the handrail member 40 can be raised with a small force. Further, the handrail member 40 can be prevented from being lowered by its own weight, and the handrail member 40 can be stopped in an inclined state.

  As shown in FIG. 1, the drive device 30 is connected to a support member 31 attached to the upper portion of each support column 10, a motor 32 attached to the upper surface of the support member 31, and an output portion of the motor 32, and the support member A screw shaft 33 extending downward from 31 and a movable member 34 screwed to the screw shaft 33 are provided.

  The support member 31 is a member having a concave cross section with both left and right ends attached to each support column 10 (see FIG. 2). An electric motor 32 is attached to the upper surface (bottom surface) of the support member 31.

The movable member 34 is a member formed with a screw hole through which the ball screw 33 is threaded in the vertical direction, and the connecting member 21 is attached to the rear surface.
The screw shaft 33 and the movable member 34 constitute a ball screw mechanism, and the movable member 34 moves up and down along the screw shaft 33 by rotating the screw shaft 33 forward and backward around the axis. A cover 35 is placed on the front side of the screw shaft 33 and the movable member 34.

  In the driving device 30, the user operates a controller (not shown) to drive the motor 32 and rotate the screw shaft 33 forward and backward around the axis, thereby moving each lifting member 20 to each column in conjunction with the movable member 34. 10 (see FIGS. 2 and 3).

Two guide members 50 each having an inclined surface 51 disposed immediately above each handrail member 40 are attached to the lower surface 31 a of the support member 31.
As shown in FIG. 2, the guide member 50 is a triangular member in a side view in which the upper surface 52, the rear surface 53, and the inclined surface 51 are formed, and is formed by bending a plate-like member. The upper surface 52 of the guide member 50 is fixed to the lower surface 31 a of the support member 31.
The inclined surface 51 of the guide member 50 is inclined so as to protrude forward as it goes from the lower edge portion to the upper edge portion, and is directed obliquely downward on the front side.

Next, a procedure for sitting on the toilet seat S using the handrail lifting / lowering device 1 and standing up from the toilet seat S will be described.
As shown in FIG. 2, when the user P is seated on the toilet seat S, the user P stands in front of the toilet seat S and puts each handrail member 40 on both sides, It also leans on each handrail member 40. Furthermore, the user P operates a controller (not shown) to drive the motor 32 and lower the handrail member 40. In this manner, the user P can sit on the toilet seat S while the body is supported by each handrail member 40.

  As shown in FIG. 3, when the user P stands up from the toilet seat S, the user P puts each handrail member 40 on both sides while sitting on the toilet seat S. And if the user P operates the controller which is not shown in figure and raises each handrail member 40, he can stand up from the toilet seat S, a body being supported by each handrail member 40.

Further, when a person who does not need assistance by the handrail lifting / lowering device 1 uses the toilet seat S, as shown in FIG. 5, the handrail member 40 is raised and the handrail member 40 is raised to raise the handrail member 40 to a higher position. Move.
At this time, the front end portion of the handrail member 40 comes into contact with the inclined surface 51 of the guide member 50 attached to the lower surface 31a of the support member 31, and the handrail member 40 is pushed by the inclined surface 51 and rises while tilting forward.

  In the above-described handrail lifting / lowering device 1, as shown in FIG. 5, when a person who does not need assistance uses the toilet seat S, the handrail member 40 is raised and the handrail member 40 is raised so that the periphery of the toilet seat S A large space can be secured. At this time, the handrail member 40 is pushed by the inclined surface 51 and rises while tilting forward. That is, since the handrail member 40 is lifted while avoiding the motor 32, when the person who does not need assistance uses the toilet seat S, the handrail member 40 can be disposed at a sufficiently high position, and the handrail member 40 becomes an obstacle. Can be prevented.

  And in the handrail raising / lowering device 1, since the floor space required for installation becomes small by arrange | positioning the motor 32 to the upper part of each support | pillar 10 as shown in FIG. 1, it installs in narrow floor spaces, such as the toilet room T It is easy to do.

The embodiment of the present invention has been described above, but the present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the spirit of the present invention.
For example, in the present embodiment, as illustrated in FIG. 1, a nursing handrail elevating device 1 installed in a toilet room T is described as an example. It can also be used to assist in sitting in a bathtub or getting up from a chair or bathtub, and its installation location is not limited.

  In the present embodiment, the left and right support columns 10 are provided and the user's body is supported by the left and right handrail members 20, but only the left and right support columns 10 are provided, and one handrail member 20 is provided. May be configured to support the user's body.

  In the present embodiment, as shown in FIG. 2, the inclined surface 51 is formed on the guide member 50 attached to the lower surface 31 a of the support member 31. However, the inclined surface 51 is directly formed on the lower surface 31 a of the support member 31. It may be formed. Furthermore, the inclined surface 51 is not limited to a flat surface, and may be a curved surface.

DESCRIPTION OF SYMBOLS 1 Handrail raising / lowering device 10 Support | pillar 20 Lifting / lowering member 21 Connecting member 30 Drive device 31 Support member 32 Motor 33 Screw shaft 34 Movable member 40 Handrail member 43 Rotating support shaft 44 Stopper 50 Guide member 51 Inclined surface P User S Toilet seat T Toilet room

Claims (2)

Struts,
An elevating member movable in the vertical direction along the support;
A driving device for moving the elevating member;
A handrail member having a base end connected to the elevating member and a front end extended forward;
The handrail member is rotatable with respect to the elevating member,
The motor of the drive device is provided on the upper surface side of the support member disposed on the upper portion of the support column,
An inclined surface disposed immediately above the handrail member is formed on the lower surface of the support member,
The handrail raising / lowering device, wherein the inclined surface protrudes forward from the lower edge portion toward the upper edge portion.   The handrail ascending / descending according to claim 1, wherein a constant load spring that applies a constant load to the handrail member in a rotating direction is provided at a connecting portion between the handrail member and the elevating member. apparatus.

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