JP3354915B2 - Furniture support equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a furniture supporting apparatus having an inner trolley part which can be raised and lowered on a trolley part at the bottom of a furniture main body.

[0002]

2. Description of the Related Art For example, by installing storage furniture or partition furniture so as to be stretched between a floor surface and a ceiling surface,
Even if the furniture is shallow, the seismic performance will be dramatically improved, even if it is not connected to the floor or ceiling via a connecting member.
For this purpose, the furniture must be configured to be adjustable in height. As one means of this, it has been considered to provide an inner trolley that can be raised and lowered with respect to the outer trolley fixed to the furniture bottom on the trolley part at the bottom of the furniture. When furniture is stretched between the floor surface and the ceiling surface by doing so, a step is generated between the lateral side surface of the outer pedestal and the lateral side surface of the inner pedestal descended with respect to the outer pedestal, When one end of the furniture in the left and right width direction is abutted on a wall surface or is installed on the side surface of another piece of furniture, the step difference becomes a gap, and illumination light on the back of the piece of furniture leaks or air This causes a flow of air, which lowers the environment of the space in front of the furniture.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a furniture supporting apparatus which can solve the above-mentioned conventional problems. The support device includes an outer trolley 3 attached to the bottom of the furniture main body 2 and an inner trolley 4 fitted inside the outer trolley 3 so as to be able to move up and down. At least the outer base wheel 3 has a front and rear side plate 7 parallel to the left and right width direction of the furniture main body and a thin plate member 8 connecting both ends of the front and rear side plate 7, and has a rectangular frame shape in plan view. At both ends of the inner wheel 4 adjacent to the inside of the both ends thin plate 8 of the outer wheel 3, a vertically long member 42 that fills a step between the both ends of the outer wheel 3 and the surface of the both ends thin plate 8 is attached,
A vertically long fitting portion 43 in which the vertically long member 42 is loosely fitted so as to be able to move up and down as the inner wheel 4 is raised and lowered is formed in the thin plate material 8 at both ends of the outer wheel base 3.

In implementing the furniture supporting apparatus of the present invention having the above-described configuration, the vertically long member 42 is attached to a mounting base 44.
And a vertically long member main body 45 provided outside the mounting pedestal portion 44 and longer than the mounting pedestal portion 44, and attached to the inner pedestal 4 via the mounting pedestal portion 44, The vertically long fitting portion 43 is provided with the vertically long member body 45.
A vertically elongated groove 48 into which the upper and lower grooves are fitted, and the groove 4
8 and a slit 49 into which the mounting base 44 is fitted so as to be able to move up and down.

An elastic layer 47 made of a rubber plate or the like can be provided on the surface of the vertically long member 42.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a furniture supporting apparatus to which a screw type jack device according to an embodiment of the present invention is applied. FIG. 2 is a furniture support device attached to the bottom of FIG. The furniture support device 1 includes an outer trolley 3, an inner trolley 4, a moving wheel 5, and a screw jack device 6.

The outer wheel base 3 is a rectangular frame formed by connecting both ends of wooden or synthetic resin front and rear side plates 7 parallel to the width direction of the furniture main body 2 with thin plates 8 such as an iron plate. 8 is attached to the lower side of the bottom plate 2b (see FIGS. 5 and 6) of the furniture main body 2 so that the outer side surface 2a of the furniture main body 2 is substantially flush with the outer side surfaces 2a at both ends in the left-right width direction of the furniture main body 2. Front and rear side plates 7
Between them, the wheel mounting frames 9a, 9 located near both ends.
b, the jack mounting frames 10a and 10b adjacent to the inside of the wheel mounting frames 9a and 9b, and the intermediate frame 11 located between the jack mounting frames 10a and 10b, respectively. 2 bottom surface). Moving wheels 5
Are mounted below the front and rear ends of the wheel mounting frames 9a and 9b. The wheel support frames 9a, 9
b and the jack mounting frames 10a and 10b may be integrally formed.

[0008] The inner wheel 4 is formed by the front and rear side plates 7 of the outer wheel 3.
Wooden or synthetic resin front and rear side plates 12 adjacent to the inside of
Are connected to each other by a thin plate material 13 such as an iron plate adjacent to the inside of the thin plate material 8 at both ends of the outer trolley 3. Between both side plates 12, jack mounting frames 10a, 10
b so that the jack receiving frame 14 is located just below
a, 14b are installed so as to be flush with the lower end of the inner wheel 4.

The screw-type jack device 6 is a jack unit (screw-type jack means) mounted below the front and rear ends of the jack mounting frames 10a and 10b of the outer undercarriage 3.
15a to 15d, and an operation unit 16 attached to the lower front end of the intermediate frame 11.

As shown in FIGS. 4 to 6, each jack unit 15a to 15d includes a jack mounting frame 10a,
A casing 17 fixed to the casing 10b; a rotating body 18 having a female screw hole supported in the casing 17 so that only the axis of rotation can rotate in a direction in which the axis is vertically up and down;
Screw shaft 20 screwed into female screw hole portion 19 penetrating up and down of 8
The lower end of the screw shaft 20 is fixed to the jack receiving frames 14a and 14b of the inner base wheel 4. A downward bevel gear 21 is concentrically connected to the upper end of the rotating body 18. Reference numeral 22 denotes a thrust bearing interposed between the jack mounting frames 10a, 10b of the outer trolley 3 and the rotating body 18, and 23 denotes a thrust bearing mounted on the jack mounting frames 10a, 10b of the outer gantry 3. And a through hole provided concentrically with the screw shaft 20 to allow the screw shaft 20 to protrude upward from the rotating body 18.

An example of a method of attaching the lower end of the screw shaft 20 to the jack receiving frames 14a and 14b will be described. A square seat plate portion 20a is integrally formed at the lower end of the screw shaft 20, and the square seat plate portion 20a is connected to the jack. Receiving frame 14
The jack receiving frames 14a, 14b are sandwiched between the cut-and-raised tongue pieces 24 projecting from the a, 14b and stopped.
4b and the screw shaft 20 are fastened and fixed with one fastening screw 25. In the jack receiving frames 14a and 14b, a concave portion 26 into which the head of the fastening screw 25 is fitted is formed by press working, and the screw shaft 20 is supported above the concave portion 26.

As shown in FIG. 6, the operation unit 16 has a vertical rotation shaft 27 supported on the intermediate frame 11 so as to be able to rotate only, and is fixed to a lower end of the rotation operation shaft 27 and attached to the intermediate frame 11. It comprises a bevel gear 29 provided inside a casing 28, and an operation handle 30 detachable from the rotation operation shaft 27.
The rotary operation shaft 27 includes a square shaft portion 27a protruding into a handle storage portion 31 with a detachable lid plate provided on a bottom plate 2b of the furniture main body 2 with the outer wheel 3 attached to a lower side, By externally fitting the cylindrical shaft portion 30a with a square hole of the operation handle 30 to the square shaft portion 27a, the rotation handle 27 can be operated to rotate in any forward or reverse direction by the operation handle 30. The unused operation handle 30 can be stored in the handle storage portion 31 of the bottom plate 2b.

As shown in FIG. 4, each jack unit 1
The rotating body 18 having female screw holes 5a to 15d and the rotating operation shaft 27 of the operation unit 16 are linked to each other by a transmission means 32. The transmission means 32 includes rotating shafts 33 and 34, both ends of which are supported by casings 17 of jack units 15a, 15c and 15b, 15d forming a front-rear pair, a casing 17 of a pair of front left and right jack units 15a, 15b, and an intermediate part thereof. Casing 28 of the operating unit 16
And rotating shafts 35 and 36 supported at both ends. At both ends of the rotating shafts 33, 34, a jack unit 1 is provided.
Bevel gear portion 21 of rotating body 18 having female screw holes 5a and 15c
Bevel gears 37a, 37b and 38a, 38b which are in mesh with the bevel gears 40a, 40b which are in mesh with the bevel gears 21 of the rotating body 18 with female screw holes of the jack units 15a, 15b are provided at both ends of the rotating shafts 35, 36. 41a and bevel gears 40b and 41b that mesh with the bevel gear 29 attached to the rotary operation shaft 27 of the operation unit 16 are attached.

As shown in FIGS. 7 and 8, the outer base is provided at the front and rear ends of the thin plate 13 at both ends in the left and right width direction of the inner base wheel 4, that is, outside the mounting position of the thin plate 13 with respect to the front and rear side plates 12. A vertically long member 42 that fills a step between the surfaces of the thin plates 8 at both ends in the left-right width direction of the wheel 3 is attached to the thin plate 8 at both ends of the outer wheel 3 as the inner wheel 4 moves up and down. A vertically long fitting portion 43 into which the member 42 is loosely fitted so as to be vertically movable is formed.

More specifically, the longitudinal member 42
Is composed of a vertically long rectangular mounting base portion 44 and a vertically long vertical member main body 45 provided outside the mounting base portion 44 and wider than the mounting base portion 44 and extending upward. The longitudinal member main body is attached to the front and rear ends (outside of the mounting position of the thin plate material 13 with respect to the front and rear side plates 12) of the inner pedestal 4 via the mounting pedestal portion 44 by two upper and lower wood screws 46. An elastic layer 47 is formed on the entire surface of 45 by attaching a rubber plate or the like, and hides the head of the wood screw 46.

The vertically long fitting portion 43 on the outer base wheel 3 side has a vertically elongated concave groove portion 48 formed by press working so as to fit the vertically long member body so as to be able to move up and down, and this concave groove portion 48. A slit 49 is formed by notching upward from the lower end of the inside, and the fitting pedestal portion 44 is fitted to be able to move up and down.
It is composed of As shown in FIG. 8B, the surface of the vertically long member 42, that is, the surface of the elastic layer 47 slightly projects from the surface of the thin plate material 8 at both ends of the outer undercarriage 3 when viewed from the front. It may be one. Also, inner wheel 4
The height of the both ends thin plate 13 is higher than that of the front and rear both sides 12, and the both ends thin plate 13 is simultaneously attached to the front and rear both sides 12 by the wood screw 46 for attaching the vertically long member 42 to the both ends thin plate 13.

According to the furniture supporting apparatus 1 having the above-described structure, as shown in FIG. 1, the lower end of the inner wheel 4 is landed by lowering the inner wheel 4 with respect to the outer wheel 3 (see FIG. 1). The furniture main body 2 is raised with respect to the floor together with the moving wheels 5 from the floor, and the upper end of the furniture main body 2 is brought into contact with the ceiling, so that the furniture main body 2 is moved between the floor and the ceiling. Can be stretched and fixed. When the furniture body 2 is moved, the lower end of the inner wheel 4 is raised from the floor by raising the inner wheel 4 with respect to the outer wheel 3 as shown in FIG. By lowering the furniture main body 2 with respect to the floor surface together with the wheel 5), the furniture main body 2 can be supported on the floor surface by the moving wheels 5 and the upper end thereof can be separated from the ceiling surface.

As shown in FIG. 6, the operation of raising and lowering the inner wheel 4 with respect to the outer wheel 3 is performed by setting the operation handle 30 on the rotary operation shaft 27 of the operation unit 16 from the inside of the furniture main body 2. The rotation is performed by rotating the rotation shaft 27. The rotation of the rotary operation shaft 27 is performed by rotating the bevel gears 29, 40b, 41b, the rotating shafts 35, 36, the bevel gears 40a, 41a, and the bevel gear unit 21.
Through a pair of jack units 15a, 1 on the front left and right sides.
5b is transmitted to the rotating body 18 having the female screw hole, and the bevel gear 3 is transmitted from the bevel gear portion 21 of the rotating body 18 having the female screw hole.
7a, 38a, rotating shafts 33, 34, bevel gears 37b, 38
b, and via the bevel gear portion 21, the rotating body 18 with female screw holes of the pair of jack units 15 c and 15 d on the rear side
Is transmitted to

When the rotating bodies 18 with female screw holes of all the jack units 15a to 15d are simultaneously driven to rotate, each screw screwed into each female screw hole 19 and having a lower end fixed to the inner base wheel 4 side. The shafts 20 are driven up and down. At this time, the jack units 15a to 15a are moved so that the screw shafts 20 move in the same direction and at the same speed at the same speed.
and the transmission means 32. Thus, by lowering the screw shafts 20 of the jack units 15a to 15d at the same speed at the same time, the inner wheel 4 can be lowered in parallel, and the operation handle 30 is turned in the reverse direction to rotate the jack units 15a to 15d. By simultaneously raising the screw shaft 20 at the same speed, the inner base wheel 4 can be raised in parallel.

As described above, the outer wheel base 3 and the inner wheel base 4
When the height of the furniture body 2 is adjusted by raising and lowering, the inside of the thin plate member 8 of the outer pedestal 3 moves up and down the thin plate member 13 of the inner trolley 4 at both ends in the left-right width direction of these pedestal rings 3 and 4. The vertical member 42 on the inner wheel base 4 moves up and down in the vertically elongated groove 43 on the outer wheel base 3 with this vertical movement.
As shown in FIGS. 7 and 8, when the inner pedestal 4 moves down to the lowermost position with respect to the outer pedestal 3, the mounting pedestal 44 of the vertically long member 42 becomes the slit of the vertically long fitting portion 43. 49, only the upper end portion of the vertically long member main body 45 is in the vertically elongated groove portion 4 of the vertically long fitting portion 43.
8. Then, as the inner pedestal 4 rises, the mounting pedestal portion 44 of the vertically long member 42 also enters the slit 49 of the vertically long fitting portion 43.

When the furniture supported by the support device constructed as described above is installed such that one end outer surface 2a in the left-right width direction abuts against a wall surface or a side surface of another furniture, the outer trolley 3 The surface of the thin sheet material 8 at both ends in the width direction is
Since it is flush with the outer surfaces 2a at both ends in the left-right width direction of the furniture main body 2, it can be brought into contact with a wall surface or the like with which the outer surface 2a of the furniture main body comes into contact. The plate member 13 is located with a slight gap from a wall surface or the like with which the outer side surface 2a of the furniture main body abuts, but at least the upper end portion of the vertically long member 42 disposed at the front and rear ends of the thin plate member 13 Is fitted inside the vertically long fitting portion 43 on the side of the outer trolley 3, and the surface thereof (the surface of the elastic layer 47) is flush or slightly flush with the surface of the thin plate material 8 at both ends in the left-right width direction of the outer trolley 3. , The surfaces of the vertically long members 42 disposed at the front and rear ends of the thin plate 13 are also attached to the outer surface 2 of the furniture body.
a can be brought into contact with a wall surface or the like with which a contacts.

As shown in the illustrated embodiment, the surface of the vertically long member 42 (the surface of the elastic layer 47) is slightly protruded from the surface of the sheet material 8 at both ends in the left and right width directions of the outer pedestal 3. In this case, when installing the furniture as described above, the outer surface 2a of the furniture main body 2 in one of the left and right width directions is brought into contact with the wall surface or the side surface of another furniture, and the surface of the vertically long member 42 is attached to the wall surface or the like. Although it is pressed, the outer surface 2a of the furniture and the surface of the thin plate material 8 of the outer trolley 3 do not need to be pressed against a wall surface or the like,
When raising and lowering the inner wheel 4 to adjust the height of furniture,
The risk that the outer surface 2a of the furniture main body 2 or the thin plate material 8 of the outer trolley 3 slides on the wall surface or the like and is damaged is eliminated.

The inner wheel 4 is formed of a thin plate material 13 at both ends thereof.
Instead of this, it is also possible to use a wooden side plate similar to the front and rear side plates 12. Further, the vertically long member 42 and the vertically long fitting portion 43 may be provided only on the front end side of both ends of the inner and outer base wheels 3 and 4, or may be provided only at one intermediate position between the front and rear both ends.

[0024]

As described above, according to the furniture supporting apparatus of the present invention, since the left and right widthwise ends of the outer pedestal are formed of thin plate materials, the left and right of the inner pedestal which moves up and down inside the outer pedestal are formed. Since the step between the outer surfaces at both ends in the width direction can be reduced, and the step is filled with the vertically long members attached to both ends of the inner pedestal, the furniture supported through this support device Can be closed by the vertical member between the end surface of the inner pedestal and the wall surface or the like when the side surface is abutted against the wall surface or the like. Therefore, there is no inconvenience such as leakage of illumination light or air flow from the back side of the furniture through the gap between the wall or the like and the end surface of the inner pedestal, and the environment of the space in front of the furniture can be favorably maintained.

According to the configuration of the second aspect, it is not necessary to form the entire vertically long fitting portion provided in the thin plate material at both ends of the outer pedestal with a cutout slit. By making the notch slit provided small, it is possible to suppress a decrease in the strength of the sheet material at both ends of the outer pedestal. Further, according to the configuration of the third aspect, even if the surface of the longitudinal member (the surface of the elastic layer) slightly protrudes from the end surface of the outer pedestal, the protrusion is caused by the elastic deformation of the elastic layer on the surface of the longitudinal member. The furniture can be installed in such a way that the surface of the elongated member can be securely brought into contact with the wall surface, etc., even if there is some change in the gap between the outer and inner wheels. it can.

[Brief description of the drawings]

FIG. 1 is a front view showing a furniture support device in a furniture installed state.

FIG. 2 is a front view showing the furniture supporting device in a state where furniture can be moved.

FIG. 3 is a bottom view of the furniture support device.

FIG. 4 is a cross-sectional bottom view of the furniture support device.

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

FIG. 6 is a longitudinal sectional view taken along line BB of FIG. 4;

FIG. 7 is a partially cutaway side view showing an end surface of the furniture support device.

8A is an enlarged view of a main part of FIG. 7, and FIG.
It is CC sectional view taken on the line of a figure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Furniture support apparatus 2 Furniture main body 2a Furniture main body side surface 3 Outer pedestal 4 Inner pedestal 5 Moving wheel 6 Screw type jack device 7,12 Front and rear both side plates 8,13 Thin plate material at both ends 42,42 Longitudinal member 43 vertical fitting portion 44 mounting base 45 vertical member body 46 wood screw 47 elastic layer 48 vertical concave groove 49 notch slit

Claims (3)

(57) [Claims] 1. A supporting device comprising: an outer pedestal attached to the bottom of a furniture main body; and an inner pedestal fitted inside the outer pedestal so as to be able to move up and down.
The front and rear both side plates parallel to the left and right width direction of the furniture main body, and a thin plate connecting both ends of the front and rear both side plates, the planar shape is configured in a rectangular frame shape, and is adjacent to the inside of the both ends thin plate of the outer pedestal. At both ends of the inner wheel, a vertically long member that fills a step between the surfaces of the sheet materials at both ends of the outer wheel is attached,
A furniture supporting device, wherein a vertically long fitting portion is formed on a thin plate material at both ends of an outer wheel so that the vertically long member can be loosely fitted as the inner wheel is raised and lowered. 2. The mounting pedestal, wherein the vertically long member comprises a mounting pedestal, and a vertically long member main body provided outside the mounting pedestal and longer than the mounting pedestal. The vertically long fitting portion is attached to the inner pedestal via a vertically elongated groove portion into which the vertically long member body is fitted so as to be able to move up and down, and the mounting base portion is provided in the concave groove portion so that the mounting base portion can be moved up and down. The furniture supporting device according to claim 1, comprising a fitting slit. 3. The furniture supporting apparatus according to claim 1, wherein an elastic layer is provided on a surface of the vertically long member.