JP2002294960A - Staircase doubling as storage rack - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a staircase doubling as a storage rack, which allows the user to stably and smoothly enter a space at an upper portion of a building, can be housed in a small installation area when it is not used as a staircase, and has a function of a storage rack. SOLUTION: The staircase 10 doubling as the storage rack consists of four- stage rectangular parallelepiped storage boxes 15 which are stacked on each other from a floor height of a corridor 14 to a floor height of a storage section 13. According to the staircase 10, guide members 17 for horizontally guiding the storage boxes 15 in the respective stages are set in a wall surface 16, and slide engaging members 18 arranged on side surfaces of the storage boxes in the respective stages are engaged with the guide members 17, to thereby support the storage boxes 15. In a storage mode, the storage boxes 15 in the respective stages are vertically stacked for use as the storage rack. In a staircase mode, the storage boxes 15 are slid along the guide members 17, and they are positioned like a staircase by a positioning means 19, whereby they function as a staircase arriving from the corridor 14 at the storage section 13 with top plates 20 of the respective storage boxes 17 serving as treadboards.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a staircase having a plurality of rectangular parallelepiped storage boxes stacked from a floor height of a lower floor to a floor height of an upper floor. .

[0002]

2. Description of the Related Art When an unused space is left in an indoor upper space, for example, above a stairwell, inside a building such as a residential building. By using such unused space as an auxiliary space such as a storage unit or a small room, it becomes possible to design a building efficiently.

[0003] On the other hand, when an auxiliary space such as a storage unit or a small room is provided in an upper space inside a room, it is general to use a simple elevating means such as a ladder to enter and exit these spaces. Such a simple elevating means has poor stability and makes it difficult to carry in and out smoothly and carry luggage. Also, the stairs require a considerable installation area, so that, for example, if the stairs are to be installed as a means of elevating and lowering in a space where there is little opportunity to enter and exit, the efficient design of the building will be hindered.

The present invention has been made in view of such a conventional problem, and can stably and smoothly enter and exit a space provided in an upper part of an indoor space, and can accommodate a small installation area when not used for entering and exiting. It is another object of the present invention to provide a staircase which can be used as a storage shelf and has a function as a storage shelf.

[0005]

SUMMARY OF THE INVENTION According to the present invention, both sides are slidably supported by indoor wall surfaces, which are stacked from the floor height of the lower floor to the floor height of the upper floor. The object is achieved by providing a storage shelf / staircase comprising a plurality of cuboid storage boxes (the invention according to claim 1).

[0006] The present invention also provides a plurality of rectangular parallelepiped housings which are stacked from the floor height of the lower floor to the floor height of the upper floor and whose both sides are supported by indoor wall surfaces. A storage shelf / stair comprising a box, wherein a guide member for guiding the storage box of each step in the horizontal direction is installed on the wall surface, and a slide locking member provided on a side surface of the storage box of each step is the guide member. And each storage box was slid along the guide member from the state in which the storage boxes were vertically stacked and used as storage shelves. To provide a staircase which also serves as a storage shelf, wherein each storage box is positioned in a stepwise manner by positioning means, and an upper surface plate of each storage box is used as a step board as a stair from a lower floor to an upper floor. Achieves the above objectives The invention of claim 2 wherein).

[0007] According to the storage shelf / staircase of the present invention, a plurality of storage boxes are vertically stacked and the storage boxes are used as storage shelves, and are sequentially pulled out from the storage boxes located below. It is preferable that the respective housing boxes are positioned in a stepwise manner by sliding.

[0008] Further, according to the staircase also serving as a storage shelf of the present invention,
From a state in which a plurality of storage boxes are vertically stacked and the storage boxes are used as storage shelves, each storage box may be slid so as to be sequentially pushed backward from the upper storage box to position each storage box stepwise. (The invention according to claim 4).

Further, according to the storage shelf / staircase of the present invention, the floor on the upper floor is the floor of the storage section provided above the atrium, and the floor on the lower floor is adjacent to the atrium. The provided corridor, landing, or floor of a room, and the storage shelves of the vertically stacked storage boxes may be railing walls separating the corridor, landing, or room from the atrium. Preferred (the invention according to claim 5).

Further, according to the storage shelf / staircase of the present invention, the lower or upper storage box is slid, so that the upper or lower storage box is slid and linked in a stepwise manner. It is preferable that the interlocking slide means for moving is provided between the vertically adjacent storage boxes (the invention according to claim 6).

[0011]

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. As shown in FIG. 1, as an example, the storage shelf / staircase 10 according to the preferred first embodiment of the present invention is a storage unit installed above a stairwell 11 of a staircase 11 which is an unused space in an upper part of a room. 13, a corridor 14 provided adjacent to the atrium 12
It is provided as elevating means for ascending and descending from.

That is, as shown in FIGS. 2 and 3, the storage shelf / staircase 10 according to the first embodiment is configured such that the height of the floor of the corridor 14 as the lower floor and the height of the storage section as the upper floor are increased. 13
Rectangular parallelepiped storage boxes 15 supported on both sides by indoor wall surfaces 16
It consists of A guide member 17 that guides each of the storage boxes 15 in each stage in the horizontal direction is installed on the wall surface 16, and a slide locking member 18 (see FIG. 5) provided on the side surface of the storage box 15 in each stage is connected to the guide member 17. , The storage boxes 15 are supported, and the storage boxes 15 are slid along the guide members 17 from a state in which the storage boxes 15 are stacked vertically and the storage boxes 15 are used as storage shelves. And positioning means 19 (see FIG. 6)
And the upper surface plate 20 of each storage box 15
Is used as a step board from the corridor 14 to the floor of the storage unit 13 as a step board.

According to the first embodiment, the storage shelf / staircase 10 is a rectangular parallelepiped four-stage storage box 1 having a width of 60 to 150 cm, a height of 25 to 30 cm and a depth of about 30 cm.
5. Each storage box 15 includes an upper plate 20, a lower plate 21, a back plate 22, and a pair of side plates 23,
The surface on the corridor 14 side is an opening surface, and various objects can be stored in the storage box 15 from the opening surface. Further, a slide locking member 18 composed of a roller member slidably locked to the guide member 17 is attached to the side plate 23, and a contact fitting 24 constituting the positioning means 19 is provided on the upper surface of the upper plate 20. Attached (see FIGS. 5 and 6). Further, the lower plate 21
On the lower surface of the lead metal 2 constituting the positioning means 19
5 is attached (see FIG. 6). The contact fitting 24
The positioning means 19 comprising the lead metal fittings 25 also serves as the interlocking slide means 26 described later.

The indoor wall 16 supporting both side surfaces of each storage box 15 is composed of a staircase 11 and a stairwell 12
The other wall surface 16 has an inner wall 28 opposed to the handrail wall 27.
(See FIG. 3). On these pair of wall surfaces 16, a guide member 17 is provided at a height position close to the lower surface plate 21 of each storage box 15, and a guide groove 29 is provided at a height position along the upper surface plate 20 to extend horizontally. Each is provided. The guide member 17 and the guide groove 29 are provided so as to be slidable until the storage box 15 of each step is positioned in a stepwise manner.
The guide groove 29 is the longest, and the lower the guide member 17 and the lower the guide groove 29, the shorter the extension length.

The guide member 17 is shown in FIGS. 5 (a) and 5 (b).
As shown in FIG. 5, a guide groove 31 having a substantially U-shaped cross section is formed in a rectangular groove 30 having a rectangular cross section formed by cutting out a height position close to the lower surface plate 21 of each storage box 15 on the wall surface 16.
The guide rail 31 has an accommodation box 1
5 slide engaging member 18 attached to side plate 23
Are slidably arranged so that both side surfaces of the storage box 15 are supported by the wall surface 16. Guide groove 29
Is a groove having a rectangular cross section formed by cutting out a height position along the upper surface plate 20 of each of the storage boxes 15 on the wall surface 16, and the guide groove 29 is provided on a side of the upper surface plate 20 of the storage box 15. The projecting portion is loosely fitted and locked, whereby the support state of the storage box 15 by the wall surface 16 is reinforced, and the storage box 15 can be supported so as to sufficiently withstand the load when going up and down stairs with luggage. In addition to this, even when the slide locking member 18 is broken or comes off the guide member 17, it is possible to stably support each of the storage boxes 15 constituting the stairs. Since the rectangular groove 30 and the guide groove 29 have dead ends at their rear ends, the slide locking member 18 and the side protruding portions of the upper surface plate 20 are brought into contact with each other, and excessive It has a function as a stopper to limit slide movement.

The positioning means 19, as shown in FIG.
It consists of a contact fitting 24 attached to the upper surface of the upper plate 20 and a lead fitting 25 attached to the lower surface of the lower plate 21. The contact fitting 24 is a T-shaped fitting formed by integrating a pair of L-shaped angle members with their back surfaces in close contact with each other. Attached at two predetermined positions of the rear end portion of the face plate 20, and on both surfaces of a vertical piece protruding upward,
A cushion material 31 made of hard rubber or the like is attached. The lead fitting 25 is an angle material having an L-shaped cross section. The horizontal piece is disposed inside and fixed to the lower surface of the lower plate 21 so that the vertical piece protrudes downward. At two positions at predetermined positions on the rear end portion and at two positions at predetermined positions on the front end portion, a total of four positions are attached. When the inner side surface of the vertical piece of the lead fitting 25 arranged at the rear end of the lower surface plate 21 is in contact with the cushion material 31 on the rear face of the contact fitting 24, each of the storage boxes 15
Are positioned in a vertically stacked state, and in a state in which the inner side surface of the vertical piece of the lead fitting 25 arranged at the front end portion of the lower surface plate 21 is in contact with the cushion material 31 on the front surface of the contact fitting 24, The storage box 15 is positioned so as to form four steps that are installed from the floor height of the corridor 14 to the floor height of the storage unit 13.

According to the positioning means 19 composed of the contact fitting 24 and the lead fitting 25, the lead fitting 25 arranged at the front end portion of the upper housing box 15 is slid backward as the upper housing box 15 is slid. Is brought into contact with the abutment fitting 24 of the lower housing box 15 so that the lower housing box 1
5 can be slid rearward in conjunction with the stepwise positioning. That is, the positioning means 19
Also serve as the interlocking slide means 26 provided between the vertically adjacent storage boxes 15. This interlocking slide means 2
According to 6, by sliding the upper storage box 15 forward, the lead metal fittings 25 arranged at the rear end of the upper storage box 15 are brought into contact with the contact metal fittings 24 of the lower storage box 15. Alternatively, the lower receiving boxes 15 can be slid forward in conjunction with each other while being positioned so as to be vertically stacked.

When the storage shelf / staircase 10 of the first embodiment is not used as a staircase for entering and exiting the storage section 13, the four steps of the storage boxes 13 are vertically stacked, and the storage hall 13 is connected to the corridor 14. As a handrail wall separating the blow-by section 12, it is fixed with a small installation area via a stopper 36, and various things are stored from the opening surface of the storage box 15 and used as a storage shelf. On the other hand, the storage unit 13
When entering and exiting, if the fixed state is released and the sliding movement is performed so as to push out from the uppermost storage box 15, each storage box 15 is sequentially moved rearward while interlocking via the interlocking slide means 26. And slide to position it in a stepwise manner. Then, if the uppermost storage box 15 is fixed to the floor of the storage section 13 via the latch type stopper 32 (see FIG. 2), a stair of a considerable width using the upper surface plate 20 of each storage box 13 as a step board is obtained. It is installed, and it becomes possible to smoothly carry in and out of the storage unit 13 and carry luggage in a stable state through the stairs.

That is, according to the storage shelf / staircase 10 of the first embodiment, stairs that can be stably and smoothly entered and exited in the storage section 13 can be easily installed, and a handrail is used when not used for access. It can be stored in a small installation area as a wall and can be used as a storage shelf.

According to the first embodiment, as shown in FIGS. 3 and 4, the movable floor 34 which can cover the elevator 33 of the stairs 11 has both ends at the handrail wall 27 and the opposite to the handrail wall 27. Slidably supported by the staircase wall 35,
The storage unit 13 is provided so as to be able to be pulled out from a state stored below the floor. When moving into and out of the storage unit 13, the movable floor 34 is pulled out and the elevator 33 of the stairs 11 is pulled out.
Can be effectively prevented from dropping to the elevating opening 33.

FIGS. 7 and 8 show an accommodation shelf / staircase 40 according to a second preferred embodiment of the present invention. According to the second embodiment, the storage shelf / staircase 40 is provided in a small room 41 behind the ceiling as an elevating means for elevating from a floor 42. In other words, the storage shelf / staircase 10 of the second embodiment is a rectangular parallelepiped 11-stage storage box 44 stacked from the floor height of the floor 42 to the floor height of the ceiling 43 provided with the entrance 48. It consists of A guide member 45 and a guide groove 46 for guiding the storage boxes 44 of the respective stages in the horizontal direction are installed on both wall surfaces 47 sandwiching the storage shelf / stairs 40, and the storage boxes are provided in the guide members 45 and the guide grooves 46. The housing box 44 is supported on both wall surfaces 47 by slidably engaging both side surfaces of the housing 44. Further, from the state in which the plurality of storage boxes 44 are vertically stacked and the storage boxes 44 are used as storage shelves, each storage box 44 is slid and moved to be positioned in a stair-like shape, and the floor 42 is
It is used as a stairway from the small room 41 to the small room 41. According to the storage shelf / staircase 40 according to the second embodiment, the storage box 44, the guide member 45, the guide groove 46, the slide locking member 18, the positioning means 19, the interlocking slide means 26, etc. It has the same configuration as that of the embodiment.

The staircase 40 also serves as a storage shelf according to the second embodiment.
According to this, the guide member 45 and the guide groove 46 are provided over such a length that they can be slid until the storage boxes 44 in each step are positioned stepwise, and the lowermost guide member 45 and the guide groove 46 are provided. Is the longest, and the extension length of the guide member 45 and the guide groove 46 in the upper stage is shorter.

When the storage shelf / staircase 40 of the second embodiment is not used as a staircase for entering and exiting the small room 41 behind the ceiling, the 11 storage boxes 44 are vertically stacked. The rear surface is fixed as a storage shelf in a state of being in close contact with the wife wall 49. On the other hand, when entering and exiting the small room 41, the fixed state is released and the lowermost storage box 44 is opened.
If the storage boxes 44 are slid so as to be pulled out from the front, the respective housing boxes 44 are sequentially slid and moved forward while being interlocked via the interlocking slide means 26, and are positioned stepwise.
Thereby, stairs of a considerable width are provided with the upper surface plate 20 of each storage box 44 as a tread plate, and it is possible to smoothly enter and leave the small room 41 and carry luggage in a stable state through these stairs. Thus, the same operation and effect as those of the storage shelf / staircase 10 of the first embodiment can be obtained.

Note that the present invention is not limited to the above embodiment, and various changes can be made. For example, the staircase also serving as a storage shelf of the present invention is not limited to a staircase for ascending and descending to an auxiliary space such as a storage unit installed in an upper part of a stairwell or a small room behind a ceiling, and may be an upper floor and a lower floor. It can also be used as an emergency staircase provided between the floor.

[0025]

As described in detail above, according to the staircase also serving as a storage shelf of the present invention, it is possible to stably and smoothly enter and exit the space provided in the upper space indoors, and the small size when not used for entering and exiting. It can be accommodated in the installation area, and can have a function as a storage shelf.

[Brief description of the drawings]

FIG. 1 is a schematic cross-sectional view illustrating an installation state of a storage shelf / staircase according to a first embodiment of the present invention.

FIG. 2 is a perspective view illustrating the configuration of a staircase that also serves as a storage shelf according to the first embodiment of the present invention.

FIG. 3 is a plan view along the line CC of FIG. 1 for explaining an installation state of the storage shelf and stairs according to the first embodiment of the present invention.

FIG. 4 is a plan view along a line C-C of FIG. 1 for explaining a state in which a movable floor covers an ascending / descending opening of a staircase.

FIG. 5A is an explanatory view of a state in which a slide locking member is locked to a guide member to support a storage box, and FIG.
It is the A section enlarged view of (a).

FIG. 6A is a cross-sectional view of the interlocking slide means, and FIG.
FIG. 2 is an enlarged view of a portion B in FIG.

FIG. 7 is a schematic cross-sectional view illustrating an installation state of a storage shelf / staircase according to a second embodiment of the present invention.

FIG. 8 is a perspective view illustrating a configuration of a staircase also serving as a storage shelf according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10, 40 Staircase also serving as shelf 11 Staircase 12 Stairwell 13 Storage section 14 Corridor 15, 44 Storage box 16 Wall surface 17, 45 Guide member 18 Slide locking member 19 Positioning means 20 Top plate 21 Lower plate 22 Back plate 23 Side plate 24 Contact fitting 25 Lead fitting 26 Interlocking slide means 27 Handrail wall 28 Inner wall 29, 46 Guide groove 30 Rectangular groove 31 Cushion material 32 Stopper 33 Lifting port 34 Movable floor 41 Small room 42 Floor 43 Ceiling 47 Wall surface

Claims (6)

[Claims] 1. A plurality of rectangular parallelepiped storage boxes stacked from the floor height of a lower floor to the floor height of an upper floor and both sides are slidably supported by indoor wall surfaces. A staircase also serving as a storage shelf, comprising: 2. A housing comprising a plurality of rectangular parallelepiped storage boxes supported on both sides by indoor wall surfaces, stacked from the floor height of the lower floor to the floor height of the upper floor. A guide member that guides each of the storage boxes in each stage in the horizontal direction on the wall, and a slide locking member provided on a side surface of the storage box in each step is locked to the guide member. Each storage box is supported, and the storage boxes are slid along the guide member from the state where the storage boxes are stacked vertically and the storage boxes are used as storage shelves. A staircase that is also used as a storage shelf, wherein positioning is performed in a stepwise manner by a positioning means, and the upper surface plate of each storage box is used as a stepboard from the floor on the lower floor to the floor on the upper floor. 3. A plurality of storage boxes are vertically stacked, and the storage boxes are used as storage shelves. Then, the storage boxes are slid so as to be sequentially pulled out from lower storage boxes, and each storage box is stepped. The staircase also serving as a storage shelf according to claim 2, wherein the staircase is also positioned. 4. From a state in which a plurality of storage boxes are vertically stacked and the storage boxes are used as storage shelves, each storage box is slid so as to be sequentially pushed backward from an upper storage box, and each storage box is stepped. The staircase also serving as a storage shelf according to claim 2, wherein the staircase is also positioned. 5. The floor of the upper floor is a floor of a storage unit provided above the atrium, and the floor of the lower floor is a corridor, landing, or floor of a room provided adjacent to the atrium. 5. The staircase also serving as a storage shelf, wherein the storage shelf formed by the vertically stacked storage boxes is a handrail wall separating the corridor, landing, or room from the atrium. 6. An interlocking slide means for sliding the lower or upper storage box so as to move the upper or lower storage box in an interlocking manner while positioning the upper or lower storage box in a staircase-like manner. The storage shelf / staircase according to any one of claims 2 to 5, which is provided between the storage boxes.