JP2002223891A - Chair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a chair which is convenient to use and appropriate to use as a chair in a bathroom. SOLUTION: This chair is equipped with a first leg 2 and a second leg 3 which are placed to face mutually and can be separated, a connecting part 5 which can be folded and extended and connects the first leg 2 and the second leg 3, and a seat board 1 supported by the connecting part 5. The chair can be set to extend the connecting part 5 at the time of using the chair and to fold the connecting part 5 at the time of storing the chair. The structure of the chair contributes to take up less space when the chair is not in use. The chair is very convenient when using the chair in a place where the space to set is small and limited, and exhibits excellent operability as the chair can be shifted into a using posture or a storing posture by simple and easy operations such as extending the connecting part 5 or folding the connecting part 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chair excellent in convenience in use.

[0002]

2. Description of the Related Art In our living environment including general households, chairs having various forms and functions according to the purpose are prepared and used in everyday life. The chairs are small enough to be used, the seating height is low and the seating area is small because of the use posture, etc. For reasons such as
It is often small and very simple in structure as compared to general chairs such as table chairs.

[0003]

However, for physically handicapped persons such as the elderly and the handicapped, the bathroom chair of the conventional structure, which emphasizes only the function, is not always easy to use and sometimes even suffers. It is something that can be given. For example, if a chair is placed in a small washing place, it may not be easy to get into and out of the bathroom or bathtub, even if the chair is small, which is not preferable especially for those who have difficulty walking. . In addition, when sitting in a chair and washing hair, etc., the chair is a seating function even if the healthy person does not feel any pain, for example, if he wants to move his body forward or backward or change his body direction. In addition, this operation is not preferable because it is difficult and time-consuming to perform this operation.

The present invention has been made with the object of providing a chair which is excellent in convenience in use and is particularly suitable for use as a bathroom chair.

[0005]

Means for Solving the Problems In the present invention, the following configuration is adopted as specific means for solving such problems.

[0006] In the chair according to the first invention of the present application, the first leg 2 and the second leg 3 which are opposed to each other so as to be able to approach and separate from each other in a standing posture.
A connecting body 5 that can change the posture between the bending posture and the extending posture and connects the first leg 2 and the second leg 3 to each other; and a seat plate 1 supported by the connecting body 5. In the extended posture of the connecting body 5, the first leg 2 and the second leg 3 are set to a use posture in which the first leg 2 and the second leg 3 are opposed to each other and the seat plate 1 extends laterally. In the bent posture of the connecting body 5, the first leg 2 and the second leg 3 are configured to be set to the storage posture in which the first leg 2 and the second leg 3 are in close proximity to each other and the seat plate 1 stands up and down. It is characterized by.

According to a second aspect of the present invention, in the chair according to the first aspect, the seat plate 1 is moved along the connecting member 5 in a direction in which the first leg 2 and the second leg 3 are moved toward and away from each other. It is characterized by being able to move to.

According to a third aspect of the present invention, in the chair according to the first aspect, the seat plate 1 is rotatable along a plane direction thereof.

According to a fourth aspect of the present invention, in the chair according to the first aspect, one of the first leg 2 and the second leg 3 can be fixed in an upright posture. I have.

[0010]

According to the present invention, the following effects can be obtained by adopting such a configuration.

According to the chair according to the first aspect of the present invention, the first leg 2 and the second leg 3 are opposed to each other by the spreading and bending of the connecting member 5 and the seat plate 1. And the first leg 2 and the second leg 3 are in use when they extend laterally.
Can be selected to be close to and opposed to each other, and the seating position can be selected when the seat plate 1 stands up and down, so that, for example, like a conventional chair, the same configuration is maintained during use and non-use. In comparison, the space occupied by the chair when not in use is reduced.

Therefore, when the chair is used in a place where the installation space is narrow and limited, the convenience is high. In particular, the space is small as in a bathroom.
In addition, in the case where the chair is installed in a place where the space can also be used as a moving space for a person, and is used for a physically handicapped person such as an elderly person, the chair should be in a storage posture. Because space for movement is expanded,
The effect is even more remarkable, for example, safety during transportation is ensured.

Further, since the posture of the chair between the use posture and the storage posture can be changed by a simple and easy operation such as a spreading operation or a bending operation of the connecting member 5, the operation can be changed. It has good sex and handling properties, and is particularly suitable when the user is a physically weak person such as an elderly person.

According to the chair of the second aspect of the present invention, the following specific effects can be obtained in addition to the effects described above. That is, in the present invention, the seat plate 1 can be moved in the direction of contact and separation between the first leg 2 and the second leg 3 along the connecting body 5, so that, for example, the seat plate 1 is seated on the seat plate 1. By moving the seat plate 1 while keeping the position, the relative position of the body with respect to the chair can be changed without changing the position of the chair itself, and the convenience in use is further improved.

According to the chair of the third aspect of the present invention, the following specific effects can be obtained in addition to the effects described above. That is, in the present invention, since the seat plate 1 is rotatable along its plane direction, for example, by rotating the seat plate 1 while sitting on the seat plate 1,
The body orientation with respect to the chair can be changed without changing the direction of the chair itself, and the convenience in use is further improved.

According to the chair according to the fourth aspect of the present invention, the following specific effects can be obtained in addition to the effects described above. That is, in the present invention, one of the first leg 2 and the second leg 3 can be fixed in an upright posture. For example, when the first leg 2 is fixed, the first leg 2 and the second leg 3 are fixed. By moving the second leg 3 toward and away from the leg 2, the posture of the chair can be easily changed between the posture in use and the posture in storage, and the operability is improved. Can be expected.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be specifically described based on preferred embodiments.

FIG. 1 shows a member configuration of the chair Z according to the present invention, FIG. 2 shows a posture when the chair Z is used, and FIG. 4 shows a posture when the chair Z is stored.

The chair Z of this embodiment is a chair mainly used in a bathroom, and as shown in FIG. 1, a seat plate 1, a first leg 2 and a second leg 2, which are opposed to each other. A body 3, an extendable / bendable connecting body 5 for connecting the first leg 2 and the second leg 3, and an intermediate position of the connecting body 5 between the first leg 2 and the second leg. A third leg 4 supported at an intermediate position of the body 3,
A slide body 8 is provided between the seat plate 1 and the connecting body 5 to support the seat plate 1 on the connecting body 5 side.

The seat plate 1 is integrally formed of a substantially rectangular resin plate having a predetermined size, and a central portion thereof is a seat portion 1a. Further, a long hole 21 extending in the front-rear direction is formed at both left and right edges of the seat plate 1, and a portion outside the long hole 21 is a grip portion 1b. This grip 1b is
For example, it is used as an operation unit for moving the seat plate 1 back and forth or rotating, or as a body support unit when sitting on or leaving the seat unit 1a. Further, the seat 1a is formed with drain holes 22, 22,... Having a design effect. A bracket 23 to which the stopper 13 for controlling the rotation position is attached is provided on the lower surface side of the seat plate 1. A screw receiving hole (not shown) is provided on the lower surface of the seat 1a at a substantially central position, and a fixing member 12 described later is screwed into the screw receiving hole.

The first leg 2 is for supporting the rear side of the chair Z, and is wide and rectangular.
Are formed of a resin plate having the same height as that of the first embodiment, and support portions 25, 25 are provided on the left and right sides of the upper end thereof, respectively, and a third leg body described later is provided between the support portions 25, 25. 4 are provided with recesses 26 for storage. Also,
In this embodiment, the first leg 2 can be fixed to the wall surface 52 of the bathroom.
An appropriate number (four in this embodiment) of suction cups 27 are attached to the rear side of the leg 2 at predetermined intervals. Further, adjusters 28 and 28 are provided at both left and right positions on the lower end surface of the first leg 2.

The second leg 3 supports the front side of the chair Z, and is made of a rectangular resin plate material narrower than the first leg 2 and has left and right upper ends. Support portions 31, 31 are provided on both sides, respectively, and a concave portion 32 for accommodating the third leg 4, which will be described later, is provided between the support portions 31, 31. In addition, adjusters 29, 29 are provided at both left and right positions on the lower end surface of the second leg 3.

The third leg 4 is connected to the first leg 2 and the second leg 2.
A width dimension that supports a central portion of the connecting body 5 described below at an intermediate position of the leg 3 and can be accommodated in the concave portion 26 of the first leg 2 and the concave portion 32 of the second leg 3. And a rectangular resin plate having the same height as the first leg 2 and the second leg 3, and supporting portions 35, 35 are provided on the left and right sides of the upper end thereof, respectively. In addition, the third
Adjusters 30 are provided on both left and right sides of the lower end surface of the leg 4,
30 are provided.

The connecting body 5 connects the first leg 2 and the second leg 3 at the upper end thereof, and allows a change in the interval accompanying the movement of the two in the direction of contact and separation. The seat plate 1 is supported via a slide body 8 described below, and is composed of a first member 6 and a second member 7.

The first member 6 is made of a substantially rectangular resin plate material, and has support portions 41, 41 at both left and right ends on one end 6a side. Also, the first member 6
The notch groove 43 extending from the other end 6b side toward the one end 6a side at the other end 6b side, and a pair of left and right connecting portions 42 located on both sides in the width direction of the notch groove 43 ,
42 are provided. The connecting portions 42, 42
Is a posture in which the first member 6 and the second member 7 are connected to the connecting portions 45, 45 of the second member 7 described below and bent in a state of two sheets (see FIGS. 4 and 5). The first member 6 and the second member
This allows the posture of the member 7 to be changed between the posture (see FIGS. 2 and 3) extended in the same plane, and the position of the shaft hole is the other end of the second member 7. It is set at a position extending forward by a predetermined dimension from the end face on the 7b side and downward by a predetermined dimension from the rear face.

The second member 7 is made of a substantially rectangular resin plate, similarly to the first member 6, and has support portions 44, 44 at both left and right ends on one end 7a side. A notch groove 46 extending from the other end 7b toward the one end 7a at the center in the width direction is provided on the other end 7b side of the second member 7, and is located on both sides in the width direction of the notch groove 46. And a pair of left and right connecting portions 45, 45. Note that, similarly to the connecting portion 42 of the first member 6, the connecting portions 45 and 45 have their axial hole positions set at positions offset obliquely forward from the other end 7b. In addition, the notch groove 46 of the second member 7 and the notch groove 43 of the first member 6 are continuous with the open end thereof abutted when the connecting body 5 is set in the extended posture. And a continuous guide groove 47 extending from a substantially central portion of the first member 6 to a substantially central portion of the second member 7.
Is configured.

The first member 6, the second member 7, and the third leg 4 are connected to the connecting portion 42 of the first member 6, the connecting portion 45 of the second member 7 and the third leg 4 A connecting shaft (not shown) which is positioned coaxially with the supporting portion 35 and straddles the three members.
Are connected to each other. In the connection state by the connection shaft, the first member 6 and the second member 7 are relatively rotatable about the connection shaft, and as described above, both of them are in the bent posture and the extended posture. It is acceptable to take selectively. In addition, the third leg 4 is relatively displaceable with respect to the first member 6 and the second member 7, and is parallel to the up and down direction as the posture of the first member 6 and the second member 7 is changed. It is to be moved (see FIGS. 3 and 5).

On the other hand, one end 6a side of the first member 6 is provided with support portions 41, 41 on the support portion 2 of the first leg body 2.
The first leg 2 is bendably connected to the upper end of the first leg 2 by being positioned coaxially with the first and second legs 25 and 25 and inserting a connecting shaft (not shown) between the two. Also, the other end 7 of the second member 7
b, as in the case of the first member 6, the support portions 44, 4 thereof.
4 is positioned coaxially with the supporting portions 31, 31 of the second leg 3, and a connecting shaft (not shown) is inserted between the two so that the upper end of the second leg 3 can be bent freely. Be linked.
As a result, the first leg 2 and the second leg 3 are connected in an opposed state by the connecting body 5, and the relative movement of the first and second legs 2 and 3 in the direction of contact and separation is the same as the first member 6 of the connecting body 5. It is allowed by bending or spreading with the two members 7.

Further, the third leg 4 and the first leg 2
Are connected at a middle position in the height direction by a first link 15, and the third leg 4 and the second leg 3 are connected at a middle position in the height direction by a second link 16. The third leg 4 is connected to each of these links 15, 16
And the first member 6 and the second member 7 of the connecting member 5 constitute a parallel link mechanism on both sides of the third leg 4, respectively, so that the connecting member 5 is bent and spread and the first member When the leg 2 and the second leg 3 approach or separate from each other, the first leg 2
And it will be moved up and down while maintaining the parallel state with the second leg 3.

On the other hand, the slide body 8 is
In the saddle seat state with respect to the first member 6 and the second member 7 from above, and in the longitudinal direction of the connecting body 5 (that is, the direction in which the first leg 2 and the second leg 3 approach and separate). Mounted movably. A through hole 11 having a predetermined diameter is provided substantially at the center of the slide body 8.
A lock member 9 having a short cylindrical shape is mounted concentrically with the through hole 11 at a radially outer position of the lock member 9. This lock member 9
Has a large number of lock grooves 10, 10, at predetermined intervals in the radial direction.
・ ・ Is provided.

In the slide body 8, the seat plate 1 is placed on the lock member 9 side from above, and the connecting body 5
By passing the bolt-shaped fixing member 12 from below the connecting body 5 through the guide groove 47, and screwing it into the screw receiving hole on the back side of the seat plate 1, the connecting body 5 and the seat It will be attached to the plate 1 in a sandwiched state. Further, the fixing member 12 is provided in the guide groove 47 of the connecting body 5.
Is movable in the groove length direction. Therefore, when the connecting body 5 is in the extended posture, the fixing member 1
2 moves in the groove length direction of the guide groove 47,
The slide body 8 can move in the longitudinal direction thereof along the connecting body 5 and within the range of the groove length of the guide groove 47, whereby the seat plate 1 connected to the slide body 8 can be moved. It is movable in the longitudinal direction of the connecting body 5 (that is, in the front-back direction of the chair Z). The connecting member 5 is set in a bent posture in a state where the fixing member 12 is positioned on the side of the notch groove 46 of the second member 7, so that the seat plate 1 is in the bent position as shown in FIG. It is held on the front side of the second leg 3 in a state parallel thereto.

Further, since the seat plate 1 is screwed to the fixing member 12 disposed through the through hole 11 of the slide body 8, the seat plate 1 is fixed on the slide body 8 while being mounted thereon. It can rotate around the member 12. The selection of the rotation position of the seat plate 1 and the fixing thereof are performed by the bracket 23 provided on the seat plate 1 side,
This is realized by inserting the stopper 13 so as to straddle with any one of the lock grooves 10 provided on the lock member 9 on the slide body 8 side.

The chair Z having the above-mentioned structure is shown in FIG.
Are used in the posture at the time of use shown in FIG. 4, and are stored in the posture at the time of storage shown in FIG. Hereinafter, handling in the use posture and the storage posture will be described.

When the chair Z is used as a bathroom chair, the first leg 2 is connected to the suction cups 27 and 2 regardless of the posture in use and the posture in storage.
7 and so on and fixed to the wall surface 52 of the bathroom in an upright state.

A: Handling in Use Position In the use position of the chair Z, as shown in FIG. 2 and FIG. The connecting body 5 is erected in an extended posture between the one leg 2 and the second leg 3 erected at the front thereof, and a central portion in the longitudinal direction of the connecting body 5 (that is, the The connecting portion between the first member 6 and the second member 7) is supported by the third leg 4, and the connecting member 5
The seat plate 1 is disposed on the upper surface side of the device 1 via the slide body 8 with the seat portion 1a being substantially horizontal. In this use posture, the seat plate 1 is movable between a retracted position shown by a solid line in FIG. 2 and an advanced position shown by a dashed line in FIG. 2, and is rotatable along its planar direction (arrow). AB direction).

When using the chair Z set in the posture for use as described above, the user sits on the seat plate 1, but the user is in the initial sitting state (for example, the position of the chair Z in the front-rear direction or the chair Z). (For example, the direction in which you sit), the action you are about to perform (for example, washing your body or washing your hair)
May not be suitable for In such a case, the user moves the seat plate 1 in the front-rear direction while sitting on the seat plate 1 or rotates the seat plate 1 appropriately to adjust the position of the body in the front-rear direction or to adjust the position of the body. The orientation adjustment can be easily performed with little effort. As a result, for example, as compared with the case where it is necessary to adjust the position or the direction of the body by lifting the waist from the sitting state as in the case of using a conventional general bathroom chair, Is significantly improved, especially when the user is a physically weak person such as an elderly person.

B: Handling in the Stored Position When the chair Z is changed from the used position to the stored position, the seat plate 1 is pulled upward from the used position as shown in FIG. Then, as the seat plate 1 is pulled up, the connecting body 5 is bent from the extended posture, and the third leg 4 is pulled up in accordance with the change of the posture of the connecting body 5 and the second leg 5 is pulled up. The leg 3 moves to the first leg 2 side, and finally, as shown in FIGS. 4 and 5,
The second leg 3 abuts the first leg 2, the first member 6 and the second member 7 of the connecting body 5 abut in a folded state, and the seat plate 1 It is stored so as to abut against the outside of the second leg 3, and is set in a storage posture in a state of being folded toward the wall surface 52 as a whole.
In this case, since the first leg 2 is fixed to the wall surface 52, the operation of changing the posture is more simplified.

The operation of changing the posture of the chair Z from the stored posture to the used posture is performed in a reverse procedure to the above operation, and the description thereof will be omitted.

As described above, in the chair Z, it is possible to easily and easily change the posture between the use posture and the storage posture with little effort. This is a great advantage for physically weak people such as the elderly.

The chair Z is set and held in a stored state when not in use. In this stored state, the shape of the chair Z is very small as compared with the used state. ing. As a result, for example, when a person enters or exits the bathroom or enters or exits the bathtub, the chair Z is set in the storage position, so that a sufficient space for people to move is ensured, and effective use of the bathroom space is ensured. In addition, the safety at the time of moving can be ensured, and the advantage becomes more remarkable especially when a physically weak person such as an elderly person takes a bath.

The chair Z is not limited to the one installed in the bathroom as in the above embodiment, and may be a movable chair without fixing the seat plate 1 depending on the place of use. It can be used as

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a chair according to the present invention.

FIG. 2 is a perspective view showing a posture in use of the chair according to the present invention.

FIG. 3 is a sectional view taken along the line III-III of FIG. 2;

FIG. 4 is a perspective view showing a stored posture of the chair according to the present invention.

FIG. 5 is a sectional view taken along line VV of FIG. 4;

[Explanation of symbols]

1 is a seat plate, 2 is a first leg, 3 is a second leg, 4 is a third leg, 5 is a connected body, 6 is a first member, 7 is a second member, 8 is a slide body, 9 is Lock member, 10 is a lock groove, 11 is a through hole, 12 is a fixing member, 13 is a stopper, and 15 is a first
Link, 16 is a second link, 21 is a long hole, 22 is a drain hole, 23 is a bracket, 25 is a support, 26 is a recess, 2
7 is a suction cup, 28-30 are adjusters, 31 is a support,
32 is a concave portion, 35 is a supporting portion, 41 is a supporting portion, 42 is a connecting portion, 43 is a cutout groove, 44 is a supporting portion, 45 is a connecting portion, 46 is a connecting portion.
Is a notch groove, 47 is a guide groove, 51 is a floor surface, 52 is a wall surface,
Z is a chair.

Claims (4)

[Claims] 1. A first leg (2) and a second leg (3) which are opposed to each other in a standing posture so as to be able to approach and separate from each other, and the posture can be changed between a bending posture and a spreading posture. A connector (5) for connecting the first leg (2) and the second leg (3), and a seat plate (1) supported by the connector (5); ), The first leg (2) and the second leg (3) are set to a use posture in which the first leg (2) and the second leg (3) face each other and the seat plate (1) extends in the lateral direction. In the bent posture of the connecting body (5), the first leg (2) and the second leg (3) are close to and opposed to each other and the seat plate (1) is in a stored posture in which the seat plate (1) stands upright. A chair configured to be set. 2. The device according to claim 1, wherein the seat plate (1) extends along the connecting body (5).
A chair characterized by being movable in the direction in which the leg (2) and the second leg (3) come and go. 3. The chair according to claim 1, wherein the seat plate (1) is rotatable along a plane direction thereof. 4. The chair according to claim 1, wherein one of the first leg (2) and the second leg (3) is fixable in an upright posture.