JPH078521A - Standing up assisting chair - Google Patents

Abstract

PURPOSE:To provide a standing up assisting chair, by which the body is supported in the course of standing up, a standing up posture can gradually be taken naturally. CONSTITUTION:A standing up assisting chair comprises a gas spring for rotatably installing a seat part 3 on a seat plate 2 on the seat plate 2 on the front leg 4 side and a locking mechanism for locking the seat part 3 in an arbitrary inclined position, wherein arm rests 7 are formed on rear legs 6 in such a manner as to be expanded and contracted and gas springs 10 are installed for holding the arm rests 7 in an arbitrary position. Accordingly, a patient can be trained for standing up posture lightheartedly. If the assisting chair is applied to the ordinary chair, this is a chair suitable for a physically handicapped person and an old man having weak legs and loins.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a standing up chair for assisting a patient to stand up.

[0002]

2. Description of the Related Art Conventionally, for patients who have been forced to stay in bed for a long period of time, patients whose part of the body and lower limbs have paralyzed motor function, and even for the elderly who have weakened legs and feet, functional recovery training, In particular, standing training plays a major role in the early recovery of the function and maintenance of the function. By the way, as equipment used for standing training, there are assistance means attached to the side frame of the bed and handrails provided on the wall. The assisting means is used as a clue when the patient stands up from a state of sitting on the floor side of the bed, and the handrail is used as an assisting means when standing up while being leaned against the wall. further,
As a means for assisting standing up in daily life, there is a cane and the like.

[0003]

However, in any case, it is not easy to stand up from a sitting state, and it is easy to get tired because it is performed while supporting the body only with the hands. When you relax
As they lose their support, they lose their balance and suddenly fall into a seated state, which may impair their morale and energy. It is an object of the present invention to provide a stand-up assistance chair that can gradually take a standing posture without difficulty while supporting the body while standing up.

[0004]

In order to solve the above-mentioned problems, the present invention relates to a standing up chair, wherein a seat portion on a seat plate of a chair is rotatably attached to a seat plate on the front leg side and the seat is provided. The urging means for urging the member in the direction of always rising and the locking mechanism for locking the seat part at an arbitrary inclined position are provided, and the rear leg is provided with an armrest capable of expanding and contracting,
An armrest holding mechanism for holding the armrest at an arbitrary position is provided. In the above structure, the biasing means is a gas spring. The armrest holding mechanism is a gas spring. further,
The armrest holding mechanism includes a hook member displaceably provided on the lower side of the column of the armrest, an operation lever provided on the lower surface of the armrest, and an interlocking rod connecting the hook member and the operation lever, while the inner surface of the rear leg is provided. And a plurality of hook receiving portions for locking the hook member.

[0005]

Operation: First, the user, in the state of sitting on the chair,
Put your hands on the armrests and stretch your arms to make your waist float. When the waist is lifted, the seat portion on the seat plate is always urged by the urging means in the direction in which it rises, and therefore, by lifting the waist, the seat portion tilts toward the front leg side and comes up. Here, once the user applies his / her weight to the slanted seat part, the locking mechanism works at the slanted position of the seat part, and the seat part is fixed without falling down and can support the user. Then, the operating lever of the armrest holding mechanism is operated to pull out the armrest from the rear leg to an appropriate height, and release the operating lever. The user is supported by the seat portion and the armrest at a position where the waist is floated. Furthermore, the user rests on the armrest by holding the hand on the armrest, pulling his / her arms up and pulling his / her back, operating the operation lever, and pulling out the armrest from the rear leg to an appropriate height. Can take a posture.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a stand-up assistance chair according to the present invention will be described below with reference to the accompanying drawings, with reference to an embodiment. FIG. 1 shows a standing up chair 1 according to the present invention.
In this standing up chair 1, the seat portion 3 on the seat plate 2 is attached to the front legs 4
The seat part 2 on the side, and a biasing means 5 for biasing the seat part 3 in a direction in which the seat part 3 is constantly raised and a locking mechanism (described later) for locking the seat part 3 at an arbitrary inclined position. The armrest 7 is provided on the rear leg 6 so as to be expandable and contractable, and the armrest holding mechanism 8 for holding the armrest 7 at an arbitrary position is provided.

A gas spring is applied to the urging means 5, and like the compression spring, the gas spring is always urged in the direction in which the seat portion 3 is raised.

As the locking mechanism, although not shown, it is possible to apply a mechanism for adjusting the inclination of the backrest portion, such as a deck chair. That is, the seat portion 3 is attached to the seat plate 2
It has a function of a hinge for rotatably connecting to, and a plurality of ratchets (not shown) are formed on the arcuate locking portion provided on the seat plate 2 which is the fixed side, and the ratchet is provided on the seat portion 3 side. And a locking claw (not shown) for locking the plurality of ratchets, the seat portion 3 is supported at an arbitrary inclined position, and when the seat portion 3 is raised to the maximum rising angle,
The locking function is released and the seat portion 3 can be laid down on the seat plate 2 side.

The armrest 7 is supported by a hollow column 9 attached to the lower surface of one end, and a rear leg 6 is supported by a gas spring 10 constituting an armrest holding mechanism 8.
In addition, the hollow support column 9 is configured to be expandable and contractable and locked at an arbitrary position. As shown in FIG. 2, the gas spring 10 includes a cylinder 11 whose one end is fixed to the lower end of the rear leg 6.
And a piston rod 12 that can move back and forth from the cylinder 11.
And a push rod 13 for locking / unlocking the piston rod 12, and an operating lever 14 for pressing the push rod 13.

The gas spring 10 will be described below. That is, the gas spring 10 separates and encloses a gas having a predetermined pressure and an incompressible fluid (oil) by a floating piston (not shown) in the cylinder 11, and the piston of the piston rod 12 (not shown) is filled with the oil. A valve (not shown) for opening and closing the flow passage of the oil, which is housed so as to be divided into two parts, is provided in the piston in the two chambers, and the push rod 13 is connected to the valve to connect the valve to the valve. It has a configuration that allows the operation of.
The piston rod 12 can be brought into a locked state by blocking the flow of oil by the valve, and the push rod 13 is pressed to operate the valve to cause the flow of oil to bring the piston rod 12 into the locked state. It has the function of releasing it (see FIG. 3). When the piston rod 12 is locked, the cylinder 11
The gas inside provides a buffering property.

The standing up chair 1 according to the present invention is constructed as described above, and its function will be described below.
First, the user sits on the standing up chair 1 (see FIG. 4) and places his / her hand on the armrest 7 to stretch his / her arms to make his / her waist float. When you lift your hips, seat plate 2
Since the upper seat portion 3 is constantly biased by the biasing means 5 in the direction in which it is raised, the upper seat portion 3 is inclined toward the front leg 4 side by following the lifted waist and comes up (see FIG. 5). . Here, once the user applies his / her weight to the inclined seat portion 3, the locking mechanism works in the inclined position of the seat portion 3 so that the seat portion 3 is supported and fixed without falling down, and the user can be supported. it can.

Next, when the push rod 13 is pushed by operating the operating lever 14 of the gas spring 10 which constitutes the armrest holding mechanism 8 and the locked state of the piston rod 12 is released, the user uses the rear leg 6 to push the piston. Pull out the hollow pillar 9 together with the rod 12 to move the armrest 7
Can be brought to the appropriate height (see Figure 6).
When the operating lever 14 is released, the push rod 13 returns and the piston rod 12 is locked again, so that the armrest 7 can be fixed.
The user is supported by the seat portion 3 and the armrest 7 at a position where the waist is floated. In addition, hold your hand on the armrest 7 and stretch your arms to make your waist float.
By operating the operating lever 14 and repeatedly carrying the armrest 7 to an appropriate height,
The user can gradually take a standing posture (Fig. 7).
reference). In this way, the user can take a standing posture while supporting the body by the seat portion 3 of the standing up chair 1 and the armrest 7, so that the body may return even if the user loses power halfway. Even if you get tired on the way, you can continue to train and stand up while resting, so you do not have to force your lower limbs and you will not lose your motivation for training. . Moreover, if it is used as a chair that an old man uses every day, he can stand up without difficulty.

The stand-up auxiliary chair according to the present invention can also be implemented by the structure shown in FIGS. 8 and 9.
In the stand-up auxiliary chair 20 in this case, the armrest holding mechanism 21 can be configured as follows. That is, the armrest holding mechanism 21 functions as the armrest 7
And a hook member 22 displaceably provided on the lower side of the hollow support column 9 and an operation lever 14 provided on the lower surface of the armrest 7.
And an interlocking rod 23 for connecting the hook member 22 and the operating lever 14 to each other, while forming a plurality of hook receiving portions 24 for locking the hook member 22 on the inner surface of the rear leg 6. The hook member 22 is constantly urged by a spring 25 of the operating lever 14 via an interlocking rod 23 so that the tip end of the hook member 22 is locked to one of the hook receiving portions 24. The hook receiving portion 24 is a ratchet formed so as to hold the hollow strut 9 and the armrest 7 at a desired position via the hook member 22. That is, the receiving surface of the hook member 22 is directed toward the upper end side of the rear leg 6, and when the armrest 7 is pulled up, the hook member 22 is pulled out from the hook receiving portion 24 that has been locked so as to get over the hook receiving portion 24. Thus, the structure is such that it is locked to the next hook receiving portion 24.

When the armrest 7 is pulled up in the stand-up auxiliary chair 20, the hook member 22 is locked against the biasing force of the spring 25 of the operation lever 14 transmitted through the interlocking rod 23. Hook receiving part 24
Is pulled out so as to get over the hook receiving portion 24 and is locked to the next hook receiving portion 24. Therefore, when pulling up the armrest 7, it is not necessary to operate the operation lever 14. When you bring the armrest 7 to the desired height,
The hook member 22 is attached to the hook receiving portion 24 corresponding to the position.
Is locked, the armrest 7 can be held in that position together with the hollow column 9 to support the user. When returning the armrest 7 together with the hollow support column 9 to the rear leg 6,
When the operation lever 14 is pressed, the hook member 22 is retracted from the hook receiving portion 24 through the interlocking rod 23 to release the locked state.

[0015]

As described above, according to the present invention, it is possible to gradually take a standing posture while supporting while standing up, so that the patient can easily perform standing training.
When applied to a normal chair, it can be a chair suitable for a physically handicapped person or an elderly person with weakened legs.

[0016]

[Brief description of drawings]

FIG. 1 is a perspective view showing the appearance of a stand-up assistance chair according to the present invention.

FIG. 2 is an explanatory side view showing an example of an armrest holding mechanism in the standing up chair shown in FIG.

FIG. 3 is a side view for explaining an example of an armrest holding mechanism in the standing up chair shown in FIG.

FIG. 4 is a side explanatory view showing a usage state of the standing up chair according to the present invention.

FIG. 5 is a side view showing a usage state of the standing up chair according to the present invention.

FIG. 6 is a side view showing the usage state of the standing up chair according to the present invention.

FIG. 7 is a side explanatory view showing a usage state of the standing up chair according to the present invention.

FIG. 8 is a side view showing another embodiment of the standing up chair according to the present invention.

FIG. 9 is a side view showing another embodiment of the standing up chair according to the present invention.

[Explanation of symbols]

 1, 20 Standing assistance chair 2 Seat plate 3 Seat part 4 Front leg 5 Biasing means 6 Rear leg 7 Armrest 8, 21 Armrest holding mechanism 9 Hollow column 10 Gas spring 11 Cylinder 12 Piston rod 13 Push rod 14 Operation lever 22 Hook member 23 Interlocking rod 24 Hook receiving part 25 Spring

Claims (4)

[Claims] 1. In an upright auxiliary chair, a seat portion on a seat plate of the chair is rotatably attached to a seat plate on the front leg side, and a biasing means and a seat portion for constantly biasing the seat portion in a rising direction. A stand-up assisting chair, comprising: a locking mechanism that locks the armrest at an arbitrary tilted position, an armrest that is extendable and retractable on a rear leg, and an armrest holding mechanism that holds the armrest at an arbitrary position. 2. A standing up chair according to claim 1, wherein the urging means is a gas spring. 3. The upright assisting chair according to claim 1, wherein the armrest holding mechanism is a gas spring. 4. The armrest holding mechanism according to claim 1, wherein a hook member displaceably provided on a lower side of the column of the armrest, an operation lever provided on a lower surface of the armrest, and an interlocking mechanism connecting the hook member and the operation lever. A standing auxiliary chair, comprising: a rod and a plurality of hook receiving portions for locking hook members on the inner surface of the rear leg.