JPH08182543A - Mobile storage furniture - Google Patents

Abstract

PURPOSE: To efficiently integrate an elevating mechanism into the storage furniture, further, to provide versatility, moreover, to adjust the height of the storage furniture, to enable stable supporting and to easily perform an elevating operation without much labor. CONSTITUTION: An elevator 2 for freely elevating an elevating stand to a base 8 with casters 6 with an elevating mechanism 10 is positioned between a base plate 1c of storage furniture 1 and a surrounding leg plate 1d.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile storage furniture such as a bookshelf, a cabinet, a cupboard, a locker, and a chest of drawers which can be easily moved.

[0002]

2. Description of the Related Art As a conventional mobile storage furniture 101,
For example, there is one disclosed in Japanese Utility Model Publication No. 3-3232. Specifically, as shown in FIG. 8 and FIG.
The ends of arms 103 and 104, which are bent in a pair of V-shapes, are pivotally attached to each other, and the arms 103 and 10 respectively.
The base end of 4 is pivotally attached to the frame 105, and the operation unit 10 is
6 has a structure in which the pivot shaft 107 is pivotally attached to the frame 105. Normally, the wheel 102 is located in the inside of the base wheel 108 as shown in FIG. 8, and the operating portion 106 is moved in the direction of the arrow in FIG. By rotating and pressing the second arm 104, the rod 10 of the operation unit 106 is rotated.
There is one in which 9 is brought into contact with and fixed to the stop projection 110 of the second arm 104, the wheel 102 is projected from the base wheel 108, and these wheels 102 are used to move.

[0003]

However, in the conventional storage furniture 101, since it is necessary to mount and assemble the components of the mechanism for raising and lowering these in the storage furniture, it is particularly difficult for the furniture manufacturer to use mechanical equipment. It is difficult to assemble, and since the size of parts etc. differs depending on the size of the storage furniture, it is not possible to have versatility, and there is a problem that the cost must be increased. It was
Further, in the conventional storage furniture 101, since the position of the wheel 102 is changed by the rotation operation of the operation unit 106, the weight of the storage furniture is reduced when the wheel 102 is moved with the wheel 102 protruding from the storage furniture. As a result, a load is applied in the direction in which the wheel 102 contracts and stable support cannot be performed.
The adjustment of the protruding height of is not considered at all. Further, in the conventional storage furniture 101, in order to move the place and operate the operation unit 106, the door 111 is opened and all the stored items are taken out, and then the bottom plate 112 is removed to operate. Since it is necessary to perform the operation, it is very troublesome to operate, and it is necessary to press the operation portion 106 against the second arm 104 to project the wheel 102 from the base wheel 108, against the weight of the stored furniture. There is also the problem of requiring labor.

Therefore, according to the present invention, the elevating mechanism can be efficiently incorporated in the storage furniture, and the versatility can be provided. Further, the height of the storage furniture can be adjusted and stable support can be provided. It is an object of the present invention to provide a mobile storage furniture that can be carried out and can be easily moved up and down without labor.

[0005]

[Means for Solving the Problems] In order to achieve the above object, an elevator having a base with casters and a lifting mechanism capable of freely raising and lowering a lift is located between a main plate of storage furniture and a surrounding leg plate. The present invention aims to provide mobile storage furniture characterized by the following.

Particularly, as an elevator, a pair of dogleg-shaped link members whose tip ends of links are pivotally attached to a nut member are positioned on both sides between a base and an elevator, which are vertically arranged in parallel. The base end portion of each link is pivotally attached to the base and the lifting table, and a screw rod is screwed onto the nut member, and the pair of link members are bent and extended vertically by the rotation of the screw rod to form a base. On the other hand, a mechanism is used in which the elevating table can be moved up and down, and a pair of guide links intersect each other in a cross shape to pivotally attach the center portion, and the tip end of each guide link is pivotally attached to the base and the side surface of the elevator platform. Is preferred.

Further, a screw rod is passed through the front curtain plate,
It is more preferable to use a screw rod provided with a rotary handle at its tip.

Further, it is preferable to provide the caster with a stopper mechanism.

[0009]

As described above, according to the mobile storage furniture of the first aspect of the present invention, when the elevator is moved up and down with respect to the base by the elevator, the caster provided on the base lifts the entire storage furniture, and thus the caster. Is projected from the leg plate of the storage furniture, and the casters can be used to move the whole body to the desired position. Furthermore, the elevator lowers the platform to the base, and the casters move upward to store the storage furniture. You can install storage furniture by touching the ground plate of the.

According to the movable storage furniture of claim 2, when the screw rod of the lifting mechanism is rotated, the screw rod is rotated while being supported by the cross-shaped guide links provided on both sides of the base and the lifting table. As a result, the nut member is moved, and the pair of link members are bent and extended up and down, so that the lifting table can be raised and lowered with respect to the base.

According to the mobile storage furniture of the third aspect, the screw rod of the lifting mechanism can be rotated by rotating the rotary handle provided in front of the curtain plate of the storage furniture.

According to the mobile storage furniture of the fourth aspect, since the caster is provided with the stopper mechanism, it is possible to raise the storage furniture to an arbitrary position by the elevator and fix it by the stopper mechanism. .

[0013]

The details of the present invention will be described with reference to the embodiments shown in the drawings. 1 to 5 show a mobile storage furniture of a typical embodiment according to the present invention. The mobile storage furniture A is a storage room having a double door 1a and a curtain plate 1b on the front surface. The bottom plate 1c of the furniture 1 is raised, a space is provided between the bottom plate 1c and the surrounding leg plates 1d, and the elevator 2 is installed so as to be located in this space.

As shown in FIG. 3, the elevator 2 is provided with a mounting plate 4 at the center of a frame 3 assembled in a quadrangle using an L-shaped angle.
And a fixed plate 7 having casters 6 having a stopper mechanism 5 on the bottom surface thereof, and a base 8 having four corners,
It is composed of an elevating table 9 in which a mounting plate 4 is arranged at the center of a frame 3 which is assembled in a quadrangle using a shape angle, and an elevating mechanism 10 for elevating the elevating table 9 with respect to a base 8.

The elevating mechanism 10 has a base 8 and an elevating table 9 arranged in parallel, and as shown in FIG. 4, the ends of an upper link 11 and a lower link 11 which are bifurcated by cutting out both ends of a U-shaped member. The pivoting pieces 12 of the above are overlapped, the nut member 13 is interposed between these pivoting pieces 12, and a pair of V-shaped link members 15 pivotally attached by the rotating pins 14 from both sides face each other. The base ends of the upper link 11 and the lower link 11 are pivotally attached to the mounting plate 4 of the base 8 and the lift base 9 via the mounting brackets 16 so that they are positioned in the front-rear direction and bend up and down. Material 15, 15
Each nut member 13, so as to penetrate the central part of
A screw rod 17 is screwed onto 13 and the other nut member 13 is made a reverse screw with respect to one nut member 13, and the rotation of the screw rod 17 causes the nut members 13 and 13 to approach or move away from each other. Go to top link 11 and bottom link
11 bends up and down to allow the elevator 9 to move up and down with respect to the base 8. Further, a pair of guide links 18 and 18 cross each other on the side surfaces of the base 8 and the elevator 9 arranged in parallel. Then, the central portion is pivotally attached by a pin, and the respective tip portions are pivotally attached by the pins on the front and rear sides of the base 8 and the lift 9 and the guide groove 20 for guiding the pivot pin 19 at the rear is provided. The lift table 9 can be raised and lowered. This guide groove 20
By providing, the elevating table 9 can be raised and lowered horizontally with respect to the base 8.

The lifting mechanism 10 is not limited to the above-mentioned one, and other structures having a so-called pantograph type jack mechanism can be adopted.

Further, as shown in FIG. 5, the tip portion 17 of the screw rod 17 is
The rotation handle 21 having a prismatic shape a and a square hole 21a into which the tip 17a can be fitted is detachably attached to the screw rod 17.

When assembling the mobile storage furniture A, the main plate 1c of the storage furniture 1 with the curtain plate 1b open and the surrounding leg plates 1d.
The elevator 2 in a state where the elevator 9 is contracted with respect to the base 8 is moved inside the space of the base 8 using the casters 6 to be positioned inside, and the main plate 1c of the storage furniture 1 and the elevator 9 of the elevator 2 are placed.
It is possible to assemble by fixing and fixing the curtain rod 1b so that the tip of the screw rod 17 is located in the long hole 22 of the curtain plate 1b.

When the movable storage furniture A is used, the tip end 17a of the screw rod 17 is provided with a square hole 21 of the rotary handle 21.
When "a" is fitted and the rotary handle 21 is rotated, the elevating table 9 moves up and down with respect to the base 8, and the caster 6 lifts the entire storage furniture 1 so that the caster 6 stores the storage furniture 1.
It is possible to move the entire mobile storage furniture A to a desired position by using the casters 6 protruding from the leg plate 1d. Then, when the rotary handle 21 is rotated in the opposite direction, the elevator 9 descends with respect to the base 8, the casters 6 move upward, and the leg plate 1d of the storage furniture 1 abuts on the ground to install the storage furniture 1. The rotary handle 21 with a screw rod 17
Complete by removing from.

The mobile storage furniture A described above is a type in which the base plate 1c of the storage furniture 1 and the lift base 9 of the elevator 2 are fixed, and the curtain plate 1b is fixed and attached, but is completely incorporated. By detaching the curtain plate 1b without fixing the elevator 2 to the storage furniture 1, the curtain plate 1b is removed and the elevator 2 is inserted and moved only when the storage furniture 1 is moved. The elevator 2 may be removed after the installation. In such a case, only one elevator 2 is required for a large number of storage furniture 1, which is very efficient.

Further, the storage furniture 1 can be applied to various things such as a bookshelf, a cabinet, a cupboard, a locker, a chest of drawers, writing, a chest, a wardrobe, a dresser, an AV board, a door unit and the like. The mobile storage furniture A of FIG. 6 is an example in which a chest 23 having a chest 23 and the like built therein and two upper and lower doors 1a are provided as the storage furniture 1, and the mobile storage furniture A of FIG. This is an example in which the storage furniture 1 uses a wardrobe in which a mirror 25, a basket 26, a hanger pipe 27, and the like are incorporated inside and two upper and lower doors 1a are provided.

In the mobile storage furniture A described above, the rotary handle 21 is provided in front of the curtain plate 1b of the storage furniture 1, but depending on how it is used, it may be provided on the side surface or the back surface of the storage furniture 1. Alternatively, the screw rod 17 may be automatically rotated.

In this way, the mobile storage furniture A of this embodiment is used.
According to the above, the storage furniture 1 and the elevating mechanism 10 can be separately manufactured by specialized vendors, and the elevating mechanism 10 can be positioned between the main plate 1c of the storage furniture 1 and the surrounding leg plates 1d to be incorporated therein, thereby making it possible to move efficiently. Since the storage furniture A can be assembled,
It can be cheap in price, and storage furniture 1
Since it is not necessary to completely incorporate the elevating mechanism 10,
Even if the sizes of the storage furniture 1 differ to some extent, the common lifting mechanism 10 can be used, so that versatility can be provided.

Further, the lifting mechanism 10 comprises a base 8 and a lifting table 9
Are arranged in parallel, and a pair of front and rear link members 15 having a dogleg shape are positioned in the center, and the link members are rotated by rotating the screw rod 17.
15 is bent up and down to allow the lifting table 9 to move up and down with respect to the base 8, and the cross-shaped guide links 18, 18 provided on the side surfaces of the base 8 and the lifting table 9 are used to support the base 8. Since the casters 6 are moved up and down and the casters 6 move up and down without changing the position, the storage furniture 1 which is a heavy object can be stably supported.

Further, since the height of the lift base 9 with respect to the base 8 is determined by the screwing position of the nut member 13 on which the link member 15 is pivotally attached to the screw rod 17 of the lift mechanism 10, the height of the caster 6 can be freely set. The height of the storage furniture 1 can be adjusted and used by fixing the casters 6 with the stopper mechanism 5. Therefore, the storage furniture 1 can be set according to the height of the ceiling.

Further, when operating the mobile storage furniture A,
The caster 6 can be retracted by raising and lowering the elevating table 9 with respect to the base 8 only by externally rotating the rotary handle 21 provided in front of the curtain 1b of the storage furniture 1 to rotate the screw rod 17. Therefore, the storage furniture 1 can be installed and moved easily and without labor.

[0027]

According to the mobile storage furniture of claim 1 of the present invention, the storage furniture and the elevating mechanism are separately manufactured by specialists, and the elevating mechanism is positioned between the main plate of the storage furniture and the surrounding leg plates. It is possible to assemble mobile storage furniture efficiently by simply assembling it, and it is possible to make it inexpensive in terms of price, and since it is not necessary to completely incorporate the lifting mechanism into the storage furniture, it can be stored to some extent. Even if the size of the furniture is different, since a common lifting mechanism can be used, versatility can be provided.

According to the mobile storage furniture of the second aspect, in the lifting mechanism, the base and the lifting platform are arranged in parallel,
A pair of V-shaped link members are located in the center, and the link members are bent up and down by the rotation of the screw rod to allow the elevator to move up and down with respect to the base. With the cross-shaped guide link provided on the side of the, while guiding the raising and lowering of the lift table with respect to the base, the position does not change only by moving the caster up and down, so it can be used for heavy furniture. And stable support can be performed.

According to the mobile storage furniture of the third aspect, the lifting table is moved relative to the base simply by externally rotating the rotary handle provided in front of the curtain of the storage furniture to rotate the screw rod. Since the casters can be raised and lowered to appear and disappear, the storage furniture can be installed and moved easily and without labor.

Further, according to the mobile storage furniture of the fourth aspect, since the storage furniture can be lifted up to an arbitrary position by the elevator and fixed by the stopper mechanism, it can be installed.
It can be set according to the height of the ceiling.

[Brief description of drawings]

FIG. 1 is a perspective view of a mobile storage furniture according to a representative embodiment of the present invention.

FIG. 2 is an explanatory sectional view showing a main part of the mobile storage furniture.

FIG. 3 is a perspective view of an elevator

FIG. 4 is a perspective view showing the main part of the elevator.

FIG. 5 is an explanatory cross-sectional view showing a mounted state of a rotary handle.

FIG. 6 is a perspective view of storage furniture of another example.

FIG. 7 is a perspective view of storage furniture according to another example.

FIG. 8 is an explanatory sectional view showing a main part of a conventional storage furniture.

FIG. 9 is an explanatory sectional view showing a main part of a conventional storage furniture.

[Explanation of symbols]

A Movable storage furniture 1 Storage furniture 2 Elevator 3 Frame 4 Mounting plate 5 Stopper mechanism 6 Caster 7 Fixing plate 8 Base 9 Elevating table 10 Elevating mechanism 11 Link 12 Pivoting piece 13 Nut member 14 Rotating pin 15 Link member 16 Mounting bracket 17 Screw rod 18 Guide link 19 Pivot pin 20 Guide groove 21 Rotating handle 22 Long hole 23 Chest of drawers 25 Mirror 26 Basket 27 Hanger pipe

Claims (4)

[Claims] 1. A mobile storage furniture, characterized in that an elevator having a base with casters and a lift mechanism which can be raised and lowered by an elevator mechanism is located between a main plate of the storage furniture and a surrounding leg plate. 2. As a lifting mechanism, a pair of dogleg-shaped link members whose tip ends of the links are pivotally attached to a nut member are arranged on both sides between a base and a lifting platform, which are vertically arranged in parallel. The base end portion of each link is pivotally attached to the base and the lifting table, and a screw rod is screwed onto the nut member, and the pair of link members are bent and extended vertically by the rotation of the screw rod to form a base. On the other hand, the lifting platform can be raised and lowered freely,
2. The mobile storage furniture according to claim 1, further comprising a mechanism in which a pair of guide links are crossed in a cross shape to pivotally attach a central portion thereof, and a tip end portion of each guide link is pivotally attached to a side surface of the base and the lifting table. . 3. The mobile storage furniture according to claim 2, wherein the screw rod is penetrated through the front curtain plate, and a rotary handle is provided at a tip end portion of the screw rod. 4. The mobile storage furniture according to claim 2, wherein the caster is provided with a stopper mechanism.