JP3679755B2 - Furniture moving device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a furniture moving apparatus that can move furniture lightly, and in particular, while moving and installing furniture while keeping the furniture in a horizontal state, by raising the ceiling position of the furniture when installed, The present invention relates to a furniture moving device that can store furniture so that the height of the ceiling of the recess formed on the wall surface coincides with the height of the ceiling of the furniture.
[0002]
[Prior art]
Conventionally, as a furniture moving device for easily moving furniture, a device has been proposed in which a plurality of movable wheels that can be moved up and down are incorporated in the lower part of the pedestal of the furniture, the moving wheels are operated one by one, and the furniture is lifted and moved. Has been.
[0003]
[Problems to be solved by the invention]
By the way, in the above-mentioned conventional furniture moving device, since it is necessary to individually operate a plurality of moving wheels, it takes time during movement, and lifting is likely to be uneven, causing the furniture to tilt and causing a dangerous situation. There was a problem.
In addition, there is a system in which a recess corresponding to the size of the furniture is formed on the wall surface of the room, and the furniture is stored so that the ceiling of the recess matches the height of the ceiling of the furniture.
With this system, it is possible to effectively use the space and improve the aesthetics, and prevent the furniture from falling over in the event of an earthquake. However, with the conventional furniture moving device, the furniture is lifted when moving, and the furniture is lowered when moving is completed. Therefore, when installed, the ceiling position of the furniture is inevitably lowered. As a result, in the system as described above, the furniture is stored so that the height of the ceiling of the recess coincides with the height of the ceiling of the furniture. Was impossible.
[0004]
In view of the problems of the conventional furniture moving device, the present invention is formed on the wall surface of the room by moving and installing the furniture while keeping the furniture in a horizontal state and raising the ceiling position of the furniture when installed. An object of the present invention is to provide a furniture moving device capable of storing furniture such that the height of the ceiling of the recessed portion and the ceiling of the furniture coincide.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, a furniture moving apparatus according to the present invention is a furniture moving apparatus in which moving wheels are arranged in the lower part of furniture, and a support base that selectively supports furniture with the moving wheels is provided with a plurality of screw rods. The worm wheel is attached to one of the screw rod and the nut, the worm meshing with the worm wheel is disposed, and the worm wheel rotates in conjunction with the bevel gear. A plurality of connecting rods are installed between adjacent worms, and the worms are rotated by the connecting rods.
[0006]
This furniture moving device is provided with a support base that selectively supports furniture with moving wheels disposed on the furniture so as to be movable up and down by a plurality of screw rods and nuts, and a worm wheel is provided on one of the screw rods and nuts. A worm that meshes with the worm wheel is provided, and a plurality of connecting rods that rotate in conjunction with each other are installed between adjacent worms, and the worm is rotated by the connecting rod. All screw rods and nuts can be actuated at the same time, so that the support can be raised and moved by moving wheels while keeping the furniture horizontal.
Further, by linking the connecting rod via a bevel gear, the connecting rod can be rotated in a simple structure.
And in this furniture moving device, since the support table can be lowered at the end of movement and the furniture can be installed by lifting this support table, the ceiling position of the furniture when installed can be raised. The furniture can be stored so that the ceiling of the recess formed on the wall surface matches the height of the ceiling of the furniture, so that the furniture can be prevented from falling during an earthquake or the like.
[0007]
Further, at least one worm can be configured to be operated from the outside.
[0008]
Thereby, furniture can be raised / lowered easily by operation from the exterior of furniture.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the furniture moving device of the present invention will be described below with reference to the drawings.
[0010]
1 to 10 show an embodiment of the furniture moving device of the present invention.
In this furniture moving device, a plurality of moving wheels 4 made of casters or the like are disposed below the furniture F, and a support base A that selectively supports the furniture F with these moving wheels 4 is provided with a plurality of screw rods 7. The nut 1 can be moved up and down.
And this furniture moving apparatus fixes the worm wheel 6 to the screw rod 7, arrange | positions the worm | warm 5 which meshes | engages with this worm wheel 6, and adjoins the some connecting rod L which rotates interlockingly. It is constructed between the worms 5 so that each worm 5 is rotated by the connecting rod L.
When the positions of the screw rod 7 and the nut 1 are reversed and the screw rod 7 is fixed to the moving wheel 4 side, the worm wheel 6 can be fixed to the nut 1.
[0011]
As shown in FIGS. 4 to 5 and 10, the moving wheel 4 is usually arranged as a caster at a load support portion of the base B disposed in the lower part of the furniture F, for example, at the four corners of the base B and the intermediate positions thereof. It is installed.
In addition, a flat plate-like support base A that is slightly larger than the base B is disposed below the base B. The moving wheel 4 is connected to the floor through a through hole A1 formed in the support base A. Is in contact with
[0012]
As shown in FIGS. 1 to 3, the support base A is a flat plate having a slightly larger rigidity than the pedestal B, and the front and rear end portions thereof overlap with the front and rear side plates of the pedestal B. Front and rear side plates are erected respectively.
And this support stand A raises / lowers the support stand A without interfering with the moving wheel 4 by forming the through-hole A1 through which the moving wheel 4 is inserted.
[0013]
The screw rod 7 and the nut 1 are provided at the four corners of the support base A as shown in FIGS. 1 to 3, and the lift base 3 fixed to the support base A and the lift base 3 fixed to the base B, Between the two.
A screw rod 7 is screwed onto the nut 1, and a worm wheel 6 is fixed to the upper portion of the screw rod 7 so as to rotate integrally, and the worm wheel 6 has an upper shaft 61. Is rotatably fitted in the shaft hole 21 of the base 2.
The lifting platform 3 is provided so as to be movable in the separation direction along the guide rod 8 with respect to the base 2.
As a result, the worm wheel 6 is rotated via the worm 5, so that the lift 3 and the moving wheel 4 are guided to the guide rod 8 and accurately determined by the action of the screw rod 7 and the nut 1. It will go up and down in position.
The screw rod 7 is integrated with the worm wheel 6 by fitting a base end portion of the screw rod 7 to a screw portion formed on the boss portion 62 of the worm wheel 6 and fixing the screw rod 7 with a fixing screw 63.
[0014]
As shown in FIGS. 8 to 9, the worm 5 has shaft holes 23, 24 in which shafts 51, 52 projecting from both ends are formed on the opposite side walls 22 of the base 2 so as to have the same axis. And is supported so as to be rotatable.
The screw direction of the worm 5 is set to be different between adjacent ones.
[0015]
The connecting rod L is installed between worms 5 adjacent to each other in the front-rear direction or the left-right direction. By operating one worm 5 from the outside of the support base A, all the screw rods 7 and nuts 1 are connected via the connecting rod L. At the same time, it is designed to move up and down.
In this case, in the worm 5 corresponding to the first and last positions of the power transmission path, only one connecting rod L is disposed as shown in FIG. 9, but the movement disposed in the middle of the power transmission path. In the wheel 4, as shown in FIG. 8, the two connecting rods L are disposed so as to be substantially orthogonal.
The bevel gears 91 and 92 are provided at the front ends of the two connecting rods L that are substantially orthogonal to each other. By engaging the bevel gears 91 and 92, the two connecting rods L are interlocked. It is designed to rotate.
The connecting rod L is composed of shafts 52 and 93 each having a bevel gear fixed to one end, and polygonal rods such as hexagonal rods connected to the other ends of the shafts 52 and 93 via a connecting tool J. Has been.
[0016]
The guide rod 8 is formed in a cylindrical shape, and a plurality of the guide rods 8 are used and fixed in the guide rod fitting insertion holes 26 drilled in the four corners of the base 2 so that the guide rod 8 protrudes downward. The guide rod 8 is slidably inserted into the guide holes 32 drilled at the four corners of the lifting / lowering table 3 so that the lifting / lowering table 3 extends in the longitudinal direction of the guide rod 8. It is possible to move accurately along.
[0017]
Further, an operation hole (not shown) into which an operation tool (not shown) such as a turning operation handle can be inserted so that any one of the worms 5 can be turned from the outside of the support base A is particularly limited. Although not intended, it is formed on the shaft 23 of the worm 5.
Then, a long groove (not shown) or the like for inserting the operation tool is formed in the side plate of the support base A or the base B.
[0018]
Next, operation | movement of this furniture moving apparatus is demonstrated.
First, as shown in FIG. 4, an arbitrary operation tool is inserted into an operation hole such as a shaft of the worm 5 with respect to the furniture moving device in a state where the support base A is lowered from the moving wheel 4, and the worm 5 is externally inserted. Rotate.
[0019]
As described above, when the screw rod 7 and the worm 5 of the nut 1 are rotated in the forward direction by the operation tool, first, the worm wheel 6 meshing with the worm 5 is rotated, and the screw to which the worm wheel 6 is fixed. The rod 7 rotates with respect to the nut 1 and the elevator 3 is raised.
At the same time, the rotation of the worm 5 operated by the operation tool is transmitted to the entire screw rod 7 and the worm 5 of the nut 1 through the connecting rod L, and the entire lifting platform 3 is raised by an equal amount.
As a result, the support base A rises while maintaining a parallel state, and further the support base A rises, so that the moving wheel 4 is relatively lowered to support the furniture F as shown in FIG. The furniture F can be moved by the wheels 4.
[0020]
When the furniture F is installed after moving to a predetermined position, when the worm 5 of one screw rod 7 and the nut 1 is rotated in the opposite direction, first, the worm wheel 6 meshing with the worm 5 is rotated. The screw rod 7 to which the worm wheel 6 is fixed rotates with respect to the nut 1 and the elevator 3 moves in the downward direction.
At the same time, the rotation of the worm 5 operated by the operating tool is transmitted to the worms 5 of all the screw rods 7 and the nut 1 through the connecting rod L, and the entire lifting platform 3 is lowered by an equal amount.
As a result, the support base A fixed to the lifting platform 3 descends and contacts the floor, and the support platform A descends while maintaining a parallel state, so that the furniture F is supported by the support platform as shown in FIG. A can be lifted by A, and the installation of the furniture F is completed.
[0021]
Thus, in the furniture moving apparatus of the present embodiment, the support base A that selectively supports the furniture F with the moving wheels 4 arranged on the furniture F is provided so as to be lifted and lowered by the plurality of screw rods 7 and nuts 1. In addition, a worm wheel 6 is attached to one of the screw rod 7 and the nut 1, a worm 5 that meshes with the worm wheel 6 is disposed, and a plurality of connecting rods L that rotate in conjunction with each other are adjacent to each other. Since the worm 5 is rotated by the connecting rod L, the screw rods 7 and the nuts 1 can be operated at the same time. The support A can be lifted and moved by the moving wheels 4 while maintaining the same.
And in this furniture moving apparatus, since the support stand A can be lowered at the end of the movement and the furniture F can be lifted by the support stand A, the ceiling position of the furniture F when installed can be raised. Thus, the furniture F can be stored so that the ceiling of the recess formed on the wall surface of the room and the ceiling of the furniture F coincide with each other, and the furniture F can be prevented from falling down during an earthquake or the like.
[0022]
As mentioned above, although one Example was described about the furniture movement apparatus of this invention, the furniture movement apparatus of this invention is not limited to the structure of the said Example, For example, the furniture F and the base B are isolate | separated. In addition to being able to be made, it can be appropriately configured within a range not departing from the gist, such as being able to be configured integrally.
[0023]
【The invention's effect】
According to the furniture moving apparatus of the present invention, the support base that selectively supports the furniture with the moving wheels disposed on the furniture is provided so as to be movable up and down by a plurality of screw rods and nuts, and one of the screw rods and nuts. A worm wheel is attached to the worm wheel, a worm that meshes with the worm wheel is disposed, and a plurality of connecting rods that rotate in conjunction with each other are installed between adjacent worms. Since it moves, all the screw rods and nuts can be operated at the same time, whereby the support base can be raised and moved by the moving wheels while keeping the furniture in a horizontal state.
Further, by linking the connecting rod via the bevel gear, the connecting rod can be rotated in conjunction with a simple structure.
And in this furniture moving apparatus, since the support base can be lowered at the end of movement and the furniture can be installed by lifting the support base, it is possible to raise the ceiling position of the furniture when it is installed. The furniture can be stored so that the ceiling of the recess formed on the wall surface matches the height of the ceiling of the furniture, and the furniture can be prevented from falling during an earthquake or the like.
[0024]
Then, by configuring the at least one worm so that it can be operated from the outside, the furniture can be easily raised and lowered by an operation from outside the furniture.
[Brief description of the drawings]
FIG. 1 is a sectional front view showing an embodiment of a furniture moving device of the present invention.
FIG. 2 is a partial cross-sectional side view showing the furniture moving device of the embodiment.
FIGS. 3A and 3B show a support base of the furniture moving device, wherein FIG. 3A is a front view, FIG. 3B is a plan view, and FIG. 3C is a side view.
FIG. 4 is a cross-sectional view showing a state of the furniture moving device when the furniture is installed.
FIG. 5 is a cross-sectional view showing a state when the furniture moving device moves the furniture.
6A is a bottom view, FIG. 6B is a front view, FIG. 6C is a left side view, and FIG. 6D is a right side view.
7A and 7B show a lifting platform, in which FIG. 7A is a plan view, FIG. 7B is a front view, and FIG. 7C is a side view.
8A and 8B are plan views showing the base on the right rear side of the furniture, and FIG. 8B is a plan view showing the base on the right front side of the furniture.
FIG. 9 shows a base, (A) is a plan view showing a base on the left rear side of the furniture, and (B) is a plan view showing a base on the left front side of the furniture.
FIG. 10 shows a moving wheel, (A) is a front view, (B) is a side view, (C) is a bottom view, and (D) is a plan view.
[Explanation of symbols]
A Support base B Base F Furniture L Connecting rod 1 Nut 2 Base 3 Lift base 4 Moving wheel 5 Worm 6 Worm wheel 7 Screw rod 8 Guide rod 91, 92 Bevel gear

Claims (2)

In the furniture moving apparatus in which the moving wheel is arranged in the lower part of the furniture, a support base that selectively supports the furniture with the moving wheel is provided so as to be movable up and down by a plurality of screw rods and nuts. A worm wheel is attached to one side, a worm that meshes with the worm wheel is disposed, and a plurality of connecting rods that rotate in conjunction with each other via a bevel gear are installed between adjacent worms, A furniture moving device characterized in that a worm is rotated by a connecting rod. The furniture moving apparatus according to claim 1 , wherein at least one worm is configured to be operable from the outside.

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