JP2005224558A5 - - Google Patents

Description

Seated leg support chair

The present invention relates to a sitting chair, a simple style toilet, and a seated leg support chair that can be used for various uses in all living spaces from home use to hospitals or care facilities, and from ships to aircraft. .

Conventional elderly care, sick care chairs, or various wheelchairs are merely fixed chair functions. However, the physical functions that use them are the hard work that can be fatal to the person, such as the heart rate and the muscle contraction effort when sitting or standing. It simply pushes the prevention of muscle atrophy to the front and is forced to sit and stand on its own.
This also leads to the disappearance of self-consciousness, but after acting forcibly with self-consciousness, a fall caused a fracture, or a brain spill accident due to vasoconstriction due to a change in temperature environment such as a toilet at home Is the current situation.

The problem with the leg support chair is how to make it a product that can be used safely at a low price, with a concise mechanism, lightweight and robust. For this purpose, the strength member of the main body is composed of a hollow round steel pipe or a hollow square steel pipe by welding or vault connection, and the surface protective safety clothing configuration is used as required, but the strength member and wood are used together , or only by wood Natural sense is also important. At the same time, the necessary power is a problem that it is possible to produce a product that meets the purpose of use by changing the model of some lifting power machines while maintaining the basic shape.
In addition, it is possible for a weak person who can stand on his feet but cannot maintain his weight by flexing his knees to sit on the seat automatically without being conscious of himself. is important. Furthermore, if the weight depends on the armrest to some extent, it can be seated, and if the standing is similar, the transition armrest can be changed so that the type of push-up drive can be changed or the angle of inclination of the seating seat can be adjusted. As a transfer armrest with a seat plate operation switch, one that is useful for raising the self-supporting spirit is required.

The seated leg support chair of the present invention is provided with the following means in order to solve the above problems.
The chair base plate (1) placed on the floor, the fixed chair (3) having four fixed legs (3b) fixed on the upper surface of the chair base plate (1), and the left and right sides of the fixed chair (3) are fixed. The upper left joint (4a) and the lower left joint (5a) are fixed to the left side of the parallel motion starting column (2), and the upper right joint (4b) and the lower right joint (5b) are fixed to the right side in parallel. The starting column (2) and the fixed chair (3) are erected on the upper surface of the rear part, and the upper left joint (6a) and the lower left joint (7a) are fixed to the left corners of the corners. A back plate (8) provided with a right joint (6b), the lower right joint (7b), a link A connecting the upper left joint (4a) and the upper left joint (6a), and the upper right joint (4b) And top A link B connecting the joint (6b), a link C connecting the lower left joint (5a) and the lower left joint (7a), and a link D connecting the lower right joint (5b) and the lower right joint (7b). An upper seat plate (9) fixed to link A and link B, a lower seat plate (10) fixed to link C and link D, the chair base plate (1), and the lower seat plate (10) The upper left joint (4a), the upper right joint (4b), the lower left joint (5a), and the lower right joint (5b). As a moving center, the push-up power machine (12) is actuated to incline the seat and make it easy for a seated person to stand.
As the push-up power machine 12, an electric drive, a hydraulic drive, a pneumatic drive, a gas cylinder, a spring, a diamond jack, or the like can be used depending on the application.
Further, the buttock contact portion of the upper seat plate 9 is made of a cushioning material, the back plate 8, the chair base plate 1 in which a soft touch clothing is applied to a part or all of the dislocation armrest 14, and the opening of the upper seat plate 9. A simple toilet 16 can be installed in the space between the sections 25.
It should be noted that the present invention can also be applied to a human-powered traversing wheelchair or an electric wheelchair, and if the transfer wheel 17 used for movement is attached to the chair base plate 1, it can be moved more easily.

According to claim 1, the seated standing leg assist chair of the present invention comprises a pair of parallel links with the upper left joint, the upper right joint, the lower left joint, and the lower right joint as the center of rotation. Inclination can be made easier for the sitting person to stand.
According to claims 2 to 11, as a push-up power machine, power such as an electric drive, a hydraulic drive, a pneumatic drive, a gas cylinder, a spring, and a diamond jack can be used depending on the application. An environment-friendly power source can be selected according to the place of use.
In addition, the base contact portion of the upper seat plate 9 is made of a cushioning material, and the chair base plate 1 with a soft feel garment applied to the backrest plate or a part or all of the dislocation armrest is used. Can be given. It is convenient because a simple toilet can be installed in the space of the opening of the upper seat. Since the present invention can also be applied to a manual traversing wheelchair or an electric wheelchair, the range of use is expanded. Furthermore, if this invention attaches the transfer wheel for a movement used at the time of a movement to a chair base board, a user can move still more easily.

Hereinafter, the best mode for carrying out the present invention will be described in detail with respect to the form of a seated leg support chair of the present invention based on examples. In addition, since the various drive sources of the pushing-up power machine 12 use a general technique, the detailed description is abbreviate | omitted.
(Aspect of implementation)

The mechanism of the seated leg support chair of the present invention will be described with reference to FIGS.
FIG. 1 is a side view of a seated leg support chair in which the push-up power machine is a motorized seated leg support chair, and the positions where the upper seat plate and the lower seat plate are raised are indicated by phantom lines. FIG. 9 is an explanatory perspective view modeling the mechanism of the seated leg support assistant chair.
A chair base plate 1 placed on the floor and a fixed chair 3 having four fixed legs 3b fixed on the upper surface of the chair base plate 1 are provided. A parallel motion starting column 2 is fixed to the front upper surface of the fixed chair 3, and an upper left joint 4a and a lower left joint 5a are fixed to the left side of the four corners of the parallel motion starting column 2, and the upper right joint 4b is also fixed to the right side. And the lower right joint 5b was fixed. A backrest plate 8 is placed on the rear upper surface of the fixed chair 3. The backrest plate 8 fixes the upper left joint 6a and the lower left joint 7a to the left of the four corners, and also has the upper right joint 6b and the lower right joint 7b on the right side. It was. The upper seat plate 9 (see FIG. 1) has the functions of a link A connecting the upper left joint 4a and the upper left joint 6a and a link B connecting the upper right joint 4b and the upper right joint 6b. The lower seat plate 10 (see FIG. 1) has a function of a link C connecting the lower left joint 5a and the lower left joint 7a and a link D connecting the lower right joint 5b and the lower right joint 7b. With the upper left joint 4a, the upper right joint 4b, the lower left joint 5a, and the lower right joint 5b as rotation centers, the push-up power machine 12 is actuated to tilt the seat and make it easy for a seated person to stand .
As the push-up power machine 12, an electric drive, a hydraulic drive, a pneumatic drive, a gas cylinder, a spring, a diamond-shaped jack, or the like can be used depending on the application.
Next, how to use the seated leg support chair will be described.
As shown in FIG. 1, when the push-up power machine 12 is driven to push the push-up shaft 11 against the lower seat plate 10, the upper left joint 4a, the upper right joint 4b, the lower left joint 5a, and the lower right joint are moved. The upper seat plate 9 and the lower seat plate 10 are inclined forwardly as indicated by a line in FIG.
Accordingly, the person who is seated puts his arm on the armrest 14 and maintains the stability from the state shown in FIGS. 5, 6 (a) and (b), as shown in FIGS. 7 and 8, as shown in FIGS. 7 and 8. You can slip and stand upright.
In addition, the base portion of the upper seat plate 9 (see FIG. 1) is made of a cushioning material, and the chair base plate 1 in which the backrest plate 8 and the shift armrest 14 are partly or entirely covered with soft touch clothing, A simple toilet 16 can be installed in the space between the openings 25 of the seat plate 9.
It should be noted that the present invention can also be applied to a human-powered traversing wheelchair or an electric wheelchair, and if the transfer wheel 17 used for movement is attached to the chair base plate 1, it can be moved more easily.

Armrest position changing holes 13 are provided at both left and right ends of the backrest plate 8, and left and right connected or left and right independent transfer armrests 14 are mounted at appropriate positions by selecting the armrest position changing holes 13 according to the user's physique. .
In addition, the chair base plate 1 is attached to prevent the chair from escaping when sitting, and when the user sits on the chair base plate 1, the fixed leg 3b of the chair body is fixed, and the backrest plate is fixed. The chair does not escape even if it snuggles up to 8.
The seated leg support chair can be driven electrically by using a lift by a gear, and can also be lifted by a semicircular inner ring gear method or by an elliptical moving plate.

This transition armrest 14 is designed in various shapes according to the application, but when the push-up power machine 12 is electrically operated, a track stop switch is mounted. Further, according to the present invention, when the bed goes to bed , it is possible to reduce the caregiver's labor by transferring and storing the bed by turning it about 90 degrees at the top and putting the bed on the side, and by transferring the slide. In this embodiment, an electric drive is used as the push-up power machine 12, but an AC power source is used for use in a fixed position, and the seated leg support chair 3 is moved in a place where there is no AC power source or constantly. When used, a DC power supply of a storage battery specification can be used.
When this DC power supply is used, the storage battery specification and the AC power supply to DC conversion specification are also implemented. However, in the case of the DC power supply, as shown in FIG. 5, FIG. 6, FIG. 7, and FIG. Can also be used.

FIG. 3 is a side view of the seated leg assisting chair 3 in which a soft cushioning material is attached to the seat plate, the backrest, and the armrest, and the seating position capital is always indicated by the standing position and weight.
As shown in FIG. 3, the seated leg support chair 3 has a push-up power machine 12 as a cylinder, the push-up shaft 12 a of the cylinder is for a weak person with a large body weight, and a large torque is required for the push-up power. It can also be driven by a hydraulic cylinder lifting method using an electric hydraulic pump or an air cylinder lifting method using a compressed air source. As shown in FIG. 3, the seat has a soft feeling that is always used by covering with a flexible material as a whole to soften the feel of the strength member.

4 is a seated leg support chair 3 having an opening in the center of the seat plate and a simple toilet 16 mounted on the chair base plate 1 in FIG. It is the side view which showed the movement process of the backrest. In the figure, for use in a seat of the toilet 16, as capable waste falling on of toilet 16 which is mounted on a chair base plate 1, the opening 25 extending through the upper seat plate 9 and the lower seat plate 10 The drop opening of the toilet 16 and the opening 25 of the upper seat plate 9 are coupled at a position where the upper seat plate 9 is horizontal. FIG. 5 is a side view of the sitting leg support assistant 3 with a wheelchair that can be used for bathing care, and a gas cylinder is attached to the push-up power machine 12.
FIG. 6A is a side view showing the use state of the seated leg support chair 3 fitted with the wheelchair, and FIG. 6B is a front view showing the use state of the seated leg support chair 3 fitted with the wheelchair. It is.
In the figure, the seated leg support chair 3 used a gas cylinder of constant pressure or a spring-loaded cylinder, but both of them have seen very effective results and cannot stand when not using the seat. The plate is inclined at a specified angle, and the gas cylinder is also effective for bathroom care.
The seated leg support chair 3 is equipped with a rhombus jack raising / lowering function that is manually operated by a caregiver. In the case of automatic raising / lowering, raising and lowering is performed by an operation of the caregiver by an electric switch by a weak person.
Fig. 7 shows a side view of the seated standing leg support chair 3 with a wheelchair, with an electric cylinder attached to the push-up power machine, just before wearing or just before standing, and Fig. 8 shows an electric cylinder attached to the push-up power machine, just before wearing. FIG. 3 shows a side view of a seated leg support chair 3 with a wheelchair in which the transition armrest is stored upright, just before the leg.

  As shown in FIGS. 1, 2, and 4, the seated leg support chair 3 has a rotatable shaft of the transfer wheel 17 for movement when the present invention, which is not used by the weak, is moved or stored in a certain place. By turning the chair base plate 1 to the lower position and changing the position, the wheel can be easily drawn around by the wheel. However, when used by a weak person, it is unstable and dangerous to use the present invention in a rollable state. Therefore, it is preferable that the chair base plate 1 is always used in contact with a floor, a tatami mat, or the like.

  As shown in FIGS. 5, 6, 7, and 8, the seated standing leg assistance chair 3 is attached to a wheelchair that is driven by human power or power, and can be removed from the wheelchair by assistance of a person or a caregiver. In this case as well, in the case of a powered vehicle, the elevation angle can be freely selected by a DC power source. In the case of a manual wheelchair, the upper seat plate 9 and the lower seat plate are automatically generated by a certain torque. A rise of 10 contributes to reducing caregiver effort. The reason why the upper end of the direct wheel circumference of the wheelchair of the wheelchair is set to a height equal to or lower than the upper seat plate 9 means that it can be slid as it is when transferring from the bed, similar to the above-described armrest rotation storage. To do.

FIG. 5 is a side view of a seated leg support chair showing a position where the upper seat plate and the lower seat plate are raised by imaginary lines, with the push-up power machine being a seated leg support chair of an electric motor. It is a front view of a seated leg support chair using a push-up power machine as an electric motor. It is a side view of a seated standing leg assist chair in which a soft cushioning material is attached to the seat plate, the backrest, and the armrest, and the positions where the upper seat plate and the lower seat plate are raised are indicated by phantom lines. FIG. 5 is a side view of a seated leg support chair having an opening in the center of the seat board and an imaginary line showing a position where the seat board is raised in a seated leg support chair with a simple toilet mounted on a chair base plate. It is a side view of a seated leg support chair that can be used for bathing care by attaching a gas cylinder to a push-up power machine to a wheelchair. (A) It is a side view of the seated leg support chair showing the state of use when the user is seated. (B) It is a front view of the seated leg support chair showing the state of use when the user is seated . It is a side view of a seated standing leg assistance chair showing a state before the user is seated or just before standing. It is a side view of a seated leg support chair when the user has stowed the transfer armrest in an upright position just before wearing or just before standing. It is the perspective view for explanation which modeled the mechanism of the seated standing leg support chair.

Explanation of symbols

1 Chair base board
2 Parallel link 3 Seated leg support chair
3b Fixed leg
4a Upper left joint
4b Upper right joint
5a Lower left joint
5b Lower right joint
6a Upper left joint
6b Upper right joint
7a Lower left joint
7b Lower right joint 8 Backrest plate
9 Upper seat plate
DESCRIPTION OF SYMBOLS 10 Lower seat plate 11 Lifting shaft 12 Lifting power machine 13 Armrest position change hole 14 Transition armrest
15 Link 16 Simple toilet 17 Transition wheel for movement 18 Armrest joint 21 Wheel
25 opening
A link
B link
C link
D link

Claims (11)

A chair base plate (1) placed on the floor, a fixed chair (3) having four fixed legs (3b) fixed on the upper surface of the chair base plate (1), and a front upper surface of the fixed chair (3) The upper left joint (4a) and the lower left joint (5a) are fixed to the left of the four corners of the parallel motion starting column (2), and the upper right joint (4b) and the lower right joint (5b) are also fixed to the right side. The fixed parallel motion starting column (2) and the fixed chair (3) are erected on the upper surface of the rear part, and the upper left joint (6a) and the lower left joint (7a) are fixed to the left of the four corners. A back plate (8) provided with an upper right joint (6b) and a lower right joint (7b), a link A connecting the upper left joint (4a) and the upper left joint (6a), and the upper right joint (4b) ) And top The upper seat plate 19 having the function of the link B connecting the joint (6b), the link C connecting the lower left joint (5a) and the lower left joint (7a), the lower right joint (5b), and the lower portion When the lower seat plate (10) having the function of the link D connecting the right joint (7b) and the link C and the link D are fixed, the chair base plate (1) and the lower seat plate (10) A push-up drive (12) supported in between,
With the upper left joint (4a), the upper right joint (4b), the lower left joint (5a), and the lower right joint (5b) as the rotation center, the push-up power machine (12) is operated to move the seat A seated leg support chair characterized in that it is tilted to make it easier for a seated person to stand. The sitting leg support chair according to claim 1 , wherein the push-up power machine (12) is operated by electric drive . The seated leg support chair according to claim 1 , wherein the push-up power machine (12) is hydraulically driven . The seated leg support chair according to claim 1 , characterized in that the push-up power machine (12) operates by pneumatic driving . The seated leg support chair according to claim 1 , characterized in that the push-up power machine (12) is operated by a gas cylinder . 2. The seated leg support chair according to claim 1 , wherein the push-up power machine (12) is operated by a spring . The seated leg support chair according to claim 1 , wherein the push-up power machine (12) is operated by a rhombus-type jack . Claims hip contact portion of the upper seat plate (9) is composed of a cushioning material, the backrest plate (8), characterized in that the soft touch garment is applied to a part or the whole of the dislocation armrest (14) serial mounting of seating stance assisted chair in any one of claims 1 to 7. A simple toilet (16) is installed on the upper surface of the chair base plate (1) placed on the floor, and an opening (25) is provided in the center of the upper seat plate (9) and the lower seat plate (10). The seated leg support chair according to any one of claims 1 to 8, wherein the chair is a seated standing leg assist chair. Manpower transverse wheelchair or seated stance assisted chair as claimed in any one of claims 9, characterized in that the electric wheelchair mounted. Chair base plate (1) lower end moving transition the wheel (17) is mounted in, seated stance assisted chair according to use when moving from claim 1, wherein any one of claims 10.

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