JP4601308B2 - Retractable folding chair - Google Patents

Description

  The present invention relates to a retractable folding chair.

If you wear footwear at the entrance etc., it is easier for people with weak legs to sit on the chair, but if you leave the chair at the size of the entrance of a general house, it will be in the way .
Therefore, a retractable folding chair shown in Patent Document 1 has been developed.

Japanese Patent Laid-Open No. 2003-210279

Some of the entrances to ordinary houses are quite narrow. Therefore, the space for arranging the storage recess for storing the retractable folding chair is often limited, and in particular, the space in the width direction of the storage recess is often limited.
However, since the retractable folding chair of Patent Document 1 cannot adjust the mounting width, it may not be provided in an appropriate place that is easy to use.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a retractable folding chair that can be provided in a suitable place that is easy to use even if there is a space limitation.

In order to achieve this object, the invention of claim 1 includes a base member fixed to a storage recess provided in a structure, a seat plate mounting arm having one end rotatably connected to the base member, The seat plate is composed of a seat plate attached to the seat plate mounting arm and a leg body rotatably connected to the other end of the seat plate mounting arm. And a retractable folding chair that moves to a retracted state in which the seat plate is substantially horizontal and the legs are attached to the floor, and the base member is a recess-side base member fixed to the storage recess, An arm-side base member that supports the seat plate mounting arm connected to the recess-side base member, and the recess-side base member is slidably connected to the arm-side base member in the left-right direction. Concave Is provided with fixing means for fixing the side base member at an arbitrary position in the sliding direction, is retractable folding chair, characterized in that the mounting width is adjustable depending on the width of the stowage recess .

  According to a second aspect of the present invention, there is provided the retractable folding chair according to the first aspect, wherein the storage recess is provided on the wall.

  According to a third aspect of the present invention, there is provided the retractable folding chair according to the first aspect, wherein the storing concave portion is a storing portion for storing articles in the storage.

  According to a fourth aspect of the present invention, in the retractable folding chair according to any one of the first to third aspects, a separation arm provided with one end rotatably connected to the base member and separated from the seat plate from the seat plate mounting arm. The leg body is pivotally connected to the other end of the seat plate mounting arm and the separation arm, and the seat plate is stored in the storage recess by rotating while keeping the seat plate mounting arm and the separation arm parallel. And a retractable folding chair that moves between a retracted state in which the seat plate is substantially horizontal and a leg is attached to the floor.

According to a fifth aspect of the present invention, in the retractable folding chair according to any one of the first to fourth aspects, a door plate is attached to the leg, and the door plate is in a stored state in which the seat plate is stored in the storage recess. If it becomes, it will be the attitude | position which covers the opening of a storage recessed part, It is a storage type folding chair characterized by the above-mentioned.

  In the retractable folding chair of the present invention, the mounting width can be adjusted, so that even if there is a space limitation, it can be provided in an appropriate place that is easy to use.

1 to 6 illustrate a retractable folding chair 1 according to a first embodiment of the present invention.
The retractable folding chair 1 is stored in a wooden frame 5 fitted in a storage recess 3 provided on a wall W that is a structure. The wooden frame 5 is large enough to accommodate the retractable folding chair 1, and is made of a thick board assembled into a vertically long rectangle.
The wooden frame 5 is fixed to the wall W with nails, screws or the like while being fitted in the storage recess 3.
The left and right recess-side base members 9 and 11 are formed by bending a metal plate at a right angle, and one of the bent pieces 12 provided with the bent portion as a boundary has three attachment holes 13 formed therein. Two round holes 15 are formed in the bent piece 14.

  Reference numeral 19 denotes an arm-side base member made of a metal plate. The arm-side base member 19 includes a horizontal plate 20 and a mounting plate 21 formed continuously at one end of the horizontal plate 20. The end of the mounting plate 21 is bent horizontally toward the rear. Two elongate holes 31 extending in the left-right direction are formed at both ends of the mounting plate 21 at intervals in the vertical direction. A square hole 23 is formed in the approximate center of the mounting plate 21.

A hydraulic damper mounting member 35 is provided on the mounting plate 21 of the arm-side base member 19 slightly to the right of the center position. The hydraulic damper mounting member 35 is formed by bending a metal plate at a right angle, and a hydraulic damper 37 is mounted on the vertical piece. A part of the hydraulic damper 37 enters the square hole 23.
A U-shaped bracket 25 is fixed to the mounting plate 21 with a gap left and right. A round hole 28 is formed in one mounting piece 26 of the bracket 25, and a screw hole 29 is formed in the other mounting piece 27.
The recess-side base members 9 and 11 and the arm-side base member 19 constitute a base member.

The configuration of the leg 43 will be described.
Both ends of two connecting rods 53 are attached to the pair of legs 45, and the pair of legs 45 are connected via the two connecting rods 53. An adjuster 49 is attached to the lower end of the leg 45 by a screw.
Through holes 57 and 59 are formed in the upper end portion of the leg 45 at intervals in the vertical direction.

  Reference numeral 67 denotes a seat plate, and two seat plate mounting arms 69 and 70 are attached to the back surface of the seat plate 67. The seat plate mounting arms 69 and 70 are respectively disposed at the left and right ends of the seat plate 67. The seat plate mounting arms 69, 70 are formed in a U-shaped cross section at the center excluding both ends, and one end portion is formed to be slightly curved in the direction opposite to the seat plate 67. Round holes 73 and 77 are formed at both ends of the seat plate mounting arms 69 and 70.

  Reference numeral 79 denotes a separation arm, which is formed by bending a metal plate at a right angle, and attachment portions 83 and 87 are formed at both ends, respectively. A round hole 85 is formed in the attachment portion 83. A shaft 65 is inserted into the round hole 85, and the shaft 65 is welded and fixed to the separation arm 79. A disk 89 is fixed to the mounting portion 87, and a square bar-shaped mounting shaft 91 is fixed to the center of the disk 89.

Both end portions of the shaft 65 are inserted into the through holes 59 of the two legs 45 and are prevented from coming off by the E-ring 32, and the E-ring 32 and the spacer 30 are arranged on both sides of the leg 45. Thereby, the separation arm 79 is rotatably supported by the leg 45.
A pair of legs 45 is fitted to seat plate mounting arms 69 and 70 fixed to the seat plate 67, and the pins 93 are spacers 30, the round holes 73 of the seat plate mounting arms 69 and 70, the through holes 57, and the seat plate mounting arms 69. , 70 through the circular hole 73 and the spacer 30 in this order, and both ends are secured by the E-ring 32. As a result, the seat plate mounting arms 69 and 70 are rotatably supported by the pins 93.

The arm support shaft 39 is composed of hexagon bolts. The arm support shaft 39 is inserted through the round hole 28 of the bracket 25, the spacer 30, the round holes 77 of the seat plate mounting arms 69 and 70, and the spacer 30 in this order. A cap nut 41 is attached to a portion screwed into the hole 29 and protruding from the screw hole 29. As a result, the seat plate mounting arms 69 and 70 are rotatably supported by the arm support shaft 39.
The mounting shaft 91 of the disk 89 is fitted and connected to a fitting portion (not shown) of the hydraulic damper 37. The separation arm 79 is provided at the center position in the width direction of the arm-side base member 19.
A door plate 97 is attached to the front surface of the leg body 43, and the door plate 97 is set to a size that fits the wooden frame 5 almost exactly. A handle hole 107 is formed in the front surface of the door plate 97, and iron pieces 101 are attached to two positions on the upper end portion of the back surface.
The assembly excluding the base member assembled in this way is referred to as a chair body 111.

Next, an operation for attaching the chair body 111 to the storage recess 3 will be described.
First, the recess-side base members 9 and 11 are applied to the left and right inner side lower end portions of the wooden frame 5, and the recess-side base members 9 and 11 are fixed to the wooden frame 5 with the wood screws 17.
Then, the chair body 111 is placed in the storage recess 3, and a bolt 33 as a fixing means is passed through the elongated hole 31 of the mounting plate 21 and the round hole 15 of the recess-side base members 9 and 11, and a nut is attached to the tip of the bolt 33. And tighten.
Magnet type fixtures 99 are respectively attached to the inner side surfaces of the upper end portion of the wooden frame 5 at positions corresponding to the iron pieces 101 provided on the door plate 97. The chair main body 111 is folded and the iron piece 101 is attracted to the magnet type fixture 99, whereby the door plate 97 is fixed to the wooden frame 5 and the chair main body 111 is kept in the stored state.

The usage method of the retractable folding chair 1 will be described below.
As shown in FIG. 4, when the retractable folding chair 1 is not used, the chair body 111 is folded and accommodated in the storage recess 3, and is in a stored state. In this accommodated state, the door plate 97 closes the front opening 4 of the storage recess 3.
When the retractable folding chair 1 is used, first, a hand is put into the handle hole 107 and the door plate 97 is pulled forward, so that the magnet-type fixing tool 99 and the iron piece 101 are not attracted. When the door plate 97 is further pulled forward, the seat plate mounting arms 69 and 70 are rotated counterclockwise in FIG. 5 with the arm support shaft 39 as a fulcrum, and at the same time, the seat plate mounting arms 69 and 70 are kept parallel to the seat plate mounting arms 69 and 70. The separating arm 79 rotates around the mounting shaft 91 as a fulcrum. Then, the adjuster 49 arrives at the floor F, and the chair body 111 is pulled out as shown in FIG. In this pulled out state, the seat plate 67 is substantially horizontal.

When the chair main body 111 is pulled out from the housed state, a braking force is applied to one separation arm 79 by the hydraulic damper 37 connected to the attachment shaft 91, and the separation arm 79 operates relatively slowly. As a result, the seat plate 67 to which the seat plate mounting arms 69 and 70 constituting the parallel link mechanism and the separation arm 79 are also moved relatively slowly, thereby preventing the chair body 111 from moving extremely vigorously. it can.
Since the separation arm 79 is provided at the center position in the width direction of the seat plate 67, the separation arm 79 can be rotated in a stable state without shaking in the left-right direction when the chair body 111 is pulled out.
The hydraulic damper 37 is a force that urges the separation arm 79 in the clockwise direction in FIG. 5 when the chair body 111 is operated from the pulled-out state to the stored state. Demonstrate. Therefore, the chair main body 111 can be operated relatively lightly in the direction in which the chair main body 111 is stored.

An attachment method in the case where the retractable folding chair 1 is accommodated in the storage recess 113 having a width smaller than that of the storage recess 3 will be described.
As shown in FIG. 4, the width of the storage recess 113 is smaller than that of the storage recess 3, so that the wooden frame 115 is smaller than the width of the wooden frame 5.
As described above, the recess-side base members 9 and 11 are fixed to the wooden frame 115, the chair body 111 is placed in the storage recess 113, the bolt 33 is passed through the long hole 31 and the round hole 15, and the nut is attached and tightened loosely. State. In this state, the bolt 33 passed through the round hole 15 of the recess-side base members 9 and 11 can move within the range of the elongated hole 31, and therefore the recess-side base members 9 and 11 can slide in the left-right direction. Yes, it can be fixed at any position. Thus, the mounting width of the base member can be adjusted according to the width dimension of the storage recess 113.

7 to 11 illustrate a retractable folding chair 201 according to the second embodiment of the present invention. Since the retractable folding chair 201 has the same structure as the retractable folding chair 1 according to the first embodiment except for the parts described later, description of the same structural parts is omitted and only different structural parts will be described. In the description of the second embodiment, the reference numerals used in the first embodiment are cited.
The storage type folding chair 201 is stored in a storage unit 203 as a storage recess of the storage S that is a structure. The storage S is provided at the entrance of a condominium or the like for storing footwear and the like.

The accommodating portion 203 is defined by a bottom plate 205, a top plate 207, left and right side plates 209 and 211, and a back plate 213, and a shelf plate 215 is provided therein.
Further, the storage S has a drawer 217 below the storage unit 203, a storage unit 220 whose opening is closed by a door plate 219 above the storage unit 203, and an opening by a door plate 221 on the right side of the storage unit 203. A closed housing (not shown) or the like is provided.

A door plate 223 is attached to the front surface of the leg body 43, and a concave handle 225 is formed on the front surface of the door plate 223. Moreover, the iron piece 101 is attached to the upper end part of the back surface of the door plate 223 at one place.
Thus, the retractable folding chair 201 has the same structure as the retractable folding chair 1 of the first embodiment except for the number of door plates 223 and iron pieces 101.
An assembly excluding the base member of the retractable folding chair 201 is referred to as a chair body 227.

The work of attaching the chair main body 227 to the housing portion 203 is the same except that the recessed base members 9 and 11 are fixed to the left and right side plates 209 and 211 that define the housing portion 203.
A magnet-type fixture 99 is attached to the inner surface of the top plate 207 at a position corresponding to the iron piece 101 provided on the door plate 223. The chair main body 227 is folded and the iron piece 101 is attracted to the magnet type fixture 99, whereby the door plate 227 is fixed to the top plate 207, and the chair main body 227 is kept in the stored state.

Below, the usage method of the storage type folding chair 201 is demonstrated.
As shown in FIG. 10, when the retractable folding chair 201 is not used, the chair main body 227 is folded and accommodated in the accommodating portion 203 and is in the accommodated state. In this accommodated state, the door plate 223 closes the front opening 204 of the accommodating part 203.
When the retractable folding chair 201 is used, the user first places a hand on the concave handle 225 and pulls the door plate 223 forward to remove the magnetic fixture 99 and the iron piece 101 from suction. When the door plate 223 is further pulled forward, the seat plate mounting arms 69 and 70 rotate counterclockwise in FIG. 11 with the arm support shaft 39 as a fulcrum, and operate in the same manner as the retractable folding chair 1 of the first embodiment. The chair body 227 is pulled out as shown in FIG.

An attachment method in the case where the retractable folding chair 1 is accommodated in the storage recess 229 having a smaller width than the accommodating portion 203 will be described.
As shown in FIG. 9, the width dimension of the accommodating portion 229 is smaller than that of the accommodating portion 203, so the distance between the left side plate 209 and the right side plate 211 that defines the accommodating portion 229 is the same as that of the left side plate 209 that defines the accommodating portion 203 and the right side plate. The distance from the plate 211 is smaller.
The recessed base members 9 and 11 are fixed to the left and right side plates 209 and 211, respectively, the chair body 227 is placed in the accommodating portion 229, and the bolt 33 is passed through the long hole 31 and the round hole 15 and a nut is attached and tightened loosely. And In this state, the bolt 33 passed through the round hole 15 of the recess-side base members 9 and 11 can move within the range of the elongated hole 31, and therefore the recess-side base members 9 and 11 can slide in the left-right direction. Yes, it can be fixed at any position. Thus, the mounting width of the base member can be adjusted according to the width dimension of the accommodating portion 229.

  Since the retractable folding chair 201 according to the second embodiment is provided in a storage that is normally installed in a building, a large-scale construction is not required, and the retractable folding chair can be provided at a low cost. Moreover, not only at the time of new construction of a building, but retrofitting can be easily performed using a storage provided in an existing building.

The embodiment of the present invention has been described above, but the specific configuration of the present invention is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention, the present invention is not limited thereto. included.
In the above embodiment, a hydraulic type damper is shown, but a damper using a coil spring, a torsion spring or the like may be used.
In the above embodiment, one separation arm 79 and one hydraulic damper 37 are provided. However, the present invention is not limited to this, and two or more separation arms and hydraulic dampers may be provided. .

Further, in the above embodiment, the separation arm 79 is provided, and the separation arm 79 and the seat plate mounting arms 69 and 70 are provided with the parallel link mechanism. However, the present invention is not limited to this, and the separation arm 79 is provided. The seat plate 67 may be configured so that only the seat plate mounting arms 69 and 70 rotate to operate the seat plate 67 in the retracted state and the pulled out state.
Moreover, the storage in Example 2 is not limited to a thing for putting in footwear, and this invention is applicable to the storage to put various articles | goods.

It is a perspective view of the storage type folding chair which concerns on Example 1 of this invention. It is a disassembled perspective view explaining the structure of the retractable folding chair which concerns on Example 1 of this invention. It is the figure showing the accommodation state of the stowable folding chair which concerns on Example 1 of this invention. It is the figure showing the accommodation state of the stowable folding chair which concerns on Example 1 of this invention. It is sectional drawing showing the accommodation state of the stowable folding chair which concerns on Example 1 of this invention. It is sectional drawing in the middle of making the stowable folding chair which concerns on Example 1 of this invention into a draw-out state from a stowed state. It is a perspective view of the storage type folding chair which concerns on Example 2 of this invention. It is the figure showing the accommodation state of the storage type folding chair which concerns on Example 2 of this invention. It is the figure showing the accommodation state of the storage type folding chair which concerns on Example 2 of this invention. It is sectional drawing showing the accommodation state of the storage type folding chair which concerns on Example 2 of this invention. It is sectional drawing in the middle of making the stowable folding chair which concerns on Example 2 of this invention into a draw-out state from a stowed state.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Retractable folding chair 3 Storage recessed part 4 Opening 5 Wooden frame 9 Recessed side base member 11 Recessed side base member 12 Folding piece 13 Mounting hole 14 Bending piece 15 Round hole 17 Wood screw 19 Arm side base member 20 Horizontal plate 21 Mounting plate 23 Square hole 25 Bracket 26 Mounting piece 27 Mounting piece 28 Round hole 29 Screw hole 30 Spacer 31 Elongation hole 32 E-ring 33 Bolt 35 Hydraulic damper mounting member 37 Hydraulic damper 39 Arm support shaft 41 Cap nut 43 Leg body 45 Leg 49 Adjuster 53 Connection Rod 57 Through hole 59 Through hole 65 Shaft 67 Seat plate 69 Seat plate mounting arm 70 Seat plate mounting arm 73 Round hole 77 Round hole 79 Separating arm 83 Mounting portion 85 Round hole 87 Mounting portion 89 Disc 91 Mounting shaft 93 Pin 97 Door plate 99 Magnet type fixture 101 Iron piece 107 Handle hole 111 Chair body 113 Storage recess 115 Wooden frame W Wall F Floor 201 Retractable folding chair 203 Accommodating portion 204 Opening 205 Bottom plate 207 Top plate 209 Left side plate 211 Right side plate 213 Back plate 215 Shelf plate 217 Drawer 219 Door plate 220 Accommodation portion 221 Door plate 223 Door plate 225 Recessed handle 227 Chair body 229 Housing part S Storage

Claims (5)

A base member fixed to a storage recess provided in a structure; a seat plate mounting arm whose one end is rotatably connected to the base member; a seat plate attached to the seat plate mounting arm; and the seat plate The other end of the mounting arm consists of a leg that is pivotably connected, and the seat plate mounting arm rotates to store the seat plate in the storage recess, and the seat plate becomes substantially horizontal. In the retractable folding chair that moves to the drawer state where the legs reach the floor,
The base member includes a recess-side base member fixed to the storage recess, and an arm-side base member that supports the seat plate mounting arm connected to the recess-side base member. The arm-side base member is slidably connected in the left-right direction, and a fixing means for fixing the concave-side base member at an arbitrary position in the sliding direction is provided, and the mounting width depends on the width dimension of the storage concave portion. characterized in that it is adjustable Te retractable folding chairs.   2. The retractable folding chair according to claim 1, wherein the storage recess is provided on a wall.   2. The retractable folding chair according to claim 1, wherein the storing recess is a storing portion for storing articles in the storage.   The retractable folding chair according to any one of claims 1 to 3, wherein one end of the retractable folding chair is rotatably connected to the base member, and a separating arm is provided that is separated from the seat plate from the seat plate mounting arm. A seating state in which the seat plate is accommodated in the housing recess by being pivotally connected to the other end of the plate mounting arm and the separation arm, and the seat plate mounting arm and the separation arm are rotated in a parallel manner; A retractable folding chair, characterized in that the board moves to a substantially horizontal state and the legs are pulled out to reach the floor. 5. The retractable folding chair according to claim 1 , wherein a door plate is attached to the leg, and the door plate covers the opening of the storage recess when the seat plate is stored in the storage recess. Retractable folding chair characterized by posture .

Images