JPH11253246A - Elevation type housing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevation type housing device whose mechanism is simplified by improving rigidity and durability and decreasing the number of parts. SOLUTION: A housing device connected to a fixing part 8 for housing a housing rack 7 by a movable arm for moving the housing rack comprises a substantially U-shaped movable arm 1 having the integral structure of right and left parts, an upper fixed pulley disposed above the movable arm 1 and having the housing rack 1 attached thereto, a lower fixed pulley 3 attached to the fixing part 8 for housing the housing rack 7 and a belt 4 for connecting the upper fixed pulley 4 and the lower fixed pulley 3 together.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vertical storage device in which a storage shelf is raised and lowered.

[0002]

2. Description of the Related Art In a conventional lifting device, a parallel link is used in a mechanism for keeping a vertically movable storage shelf substantially horizontal.
For example, as shown in FIGS. 5A, 5B, and 5C, in a storage device including a fixing unit 11 that stores the storage shelf 10 and a storage shelf raising / lowering mechanism, the storage shelf lifting / lowering mechanism is used. Parallel links 12 are used.

[0003]

In the above-described parallel link 12, in order to increase the ascending / descending distance, the right and left two links are required.
Bearing part 1 of arms 12A, 12B arranged one by one
3A and 13B must be as close as possible. However, when the bearings of the parallel link are brought close to each other, the left and right arms may move and be twisted separately when they are movable, and there is a disadvantage that the rigidity of the parallel link against the left and right swings is significantly reduced.

[0004] It is an object of the present invention to overcome these drawbacks,
It is an object of the present invention to provide an elevating storage device in which rigidity is improved, durability performance is improved, and the number of components is reduced to simplify the mechanism.

[0005]

In order to achieve the above object, the present invention provides a storage device in which a storage shelf is connected to a fixed portion for storing the storage shelf by a movable arm. An upper fixed pulley provided on the movable arm and to which the storage shelf is attached; a lower fixed pulley provided below the movable arm and held by the fixed portion; and a connection connecting the upper fixed pulley and the lower fixed pulley. Means.

The present invention also provides a storage device in which a storage shelf is connected to a fixed portion for storing the storage shelf by a movable arm, wherein a substantially U-shaped movable arm having a left-right integrated structure, and an upper portion of the movable arm An upper fixed pulley provided on the movable arm and to which the storage shelf is attached; a lower fixed pulley provided at a lower portion of the movable arm and attached to a fixed portion for storing the storage shelf; the upper fixed pulley and the lower fixed And a belt connecting the pulleys.

Another feature of the present invention resides in that springs are respectively arranged between the left and right upper portions of the movable arm and the fixed portion.

The lifting type storage device according to the present invention is a storage system comprising a fixed portion for storing the storage shelves and a storage shelf, wherein the storage shelf mounting portion fixed pulley, the arm lower fixed pulley, and the belt connected between the pulleys are laterally connected. Is a device that raises and lowers the storage shelf using a movable arm.When the movable arm is rotated, the belt between the pulleys rotates the storage shelf via a fixed pulley attached to the storage shelf, and the storage shelf is rotated when the movable arm rotates. And the movable arm is integrated to prevent the movable arm from swinging left and right when ascending and descending, thereby increasing the rigidity of the arm body.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a side view of a lifting type storage device, and FIG. 2 is a front view. The movable arm 1 is a left-right integrated structure connected in a U-shape, and has an upper fixed pulley 2 and an inner lower fixed pulley 3 inside the movable arm, and these pulleys 2 and 3 are connected by a belt 4. . The pulleys 2 and 3 and the belt 4 are structured to mesh with each other, and a constant tension is always applied to the belt 4 by a roller 5 so that the belt 4 does not loosen when driven.

As shown in FIG. 1, the fixed pulley 3 at the lower inside of the movable arm 1 is attached to a fixed portion 8 for accommodating a storage shelf 7 via a pulley attaching mechanism 6 (see FIG. 2). The storage shelf 7 is attached to the upper fixed pulley 2 inside the movable arm 1.

Next, the operation will be described with reference to FIG. When the movable arm 1 is rotated counterclockwise as shown in the figure, the belt 4 meshing with the pulleys 2 and 3 is also driven. Since the belt 4 rotates the storage shelf 7 attached to the upper fixed pulley 2 by an amount corresponding to the rotation of the movable arm 1, the storage shelf 7 attached to the upper fixed pulley 2 of the movable arm is always in a substantially horizontal position. Keep. Since a movable arm that incorporates a pulley and a belt and is integrated right and left is used, there is no problem that the rigidity against right and left deflection is reduced unlike the case of the parallel link.

As shown in FIG. 4, a gas spring 9 is provided between the upper part of the movable arm 1 and the fixed part 8 for storing the storage shelf 7. The force of the user when raising and lowering the movable arm 1 and the storage shelf 7 by the reaction force of the gas spring 9 can be reduced.

It should be noted that other connecting means such as a sprocket chain may be used instead of the pulleys 2 and 3 and the belt 4 connecting them.

[0014]

According to the present invention, a pulley, a belt, and a spring are incorporated as an alternative to the parallel link in the lifting mechanism of the lifting storage device, and the movable arm integrated into the left and right is used, so that the rigidity of the lifting device against horizontal deflection is obtained. And has the effect of improving durability performance.

Further, by reducing the number of parts and simplifying the mechanism, it is possible to expect cost reduction in mass production.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a liftable storage device according to the present invention.

FIG. 2 is a front view of the liftable storage device according to the present invention.

FIG. 3 is an operation principle diagram of the lifting type storage device according to the present invention.

FIG. 4 is a perspective view of a liftable storage device according to the present invention.

5A and 5B are side views of a conventional product, and FIG. 5C is a perspective view.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Movable arm, 2 ... Upper fixed pulley, 3 ... Lower fixed pulley, 4 ... Belt, 5 ... Roller, 6 ... Pulley mounting mechanism, 7 ... Storage shelf, 8 ... Fixed part (storage shelf fixed part), 9 ...
gas spring.

Claims (3)

[Claims] 1. A storage device in which a storage shelf is connected to a fixed portion for storing the storage shelf by a movable arm, wherein an upper fixed pulley provided on the movable arm and to which the storage shelf is attached; An elevating storage device comprising: a lower fixed pulley provided at a lower part of an arm and held by the fixing portion; and a connecting means for connecting the upper fixed pulley and the lower fixed pulley. 2. A storage device in which a storage shelf is connected to a fixed portion for storing the storage shelf by a movable arm, wherein the movable arm is a substantially U-shaped arm having a left-right integrated structure, An upper fixed pulley provided at an upper part and to which the storage shelf is attached; a lower fixed pulley provided at a lower part of the movable arm and held by the fixed part;
An elevating storage device comprising the upper fixed pulley and a belt connecting the lower fixed pulley. 3. The method according to claim 1, further comprising the step of:
The lifting storage device according to claim 1, wherein a spring is disposed.