JPS6244677Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a device for preventing a side cabinet used next to a desk from falling over.

[Conventional technology and its problems]

2. Description of the Related Art Conventionally, a side cabinet having multiple drawers provided inside a main case has been provided at the side of a desk or under the top plate of the desk.

This type of side cabinet has casters and legs on the bottom of its main case.
In addition, the bottom drawer of each drawer has a tray section shaped like a deep dish and long in depth so that it can store a large number of documents and files. When the bottom drawer, which has become heavy due to a large number of documents, is pulled far forward from the main case, its center of gravity will move forward of the main case, causing the side cabinet to tilt forward. If the casters are attached to the bottom of the main body case, the recoil when the bottom drawer is pulled out makes it more likely to fall.

In addition, each drawer in such a side cabinet is attached to the rail attached to the inner surface of the left and right side panels of the main body case so as to be movable back and forth via a suspension mechanism. When the lower drawer is pulled out, a large bending force is applied to the rail, suspension, etc. of the lowermost drawer, so these members must be made sturdy to withstand this force.

The present invention aims to solve this problem.

[Means to solve the problem]

In order to achieve this purpose, the present invention provides a side cabinet in which drawers that are movable back and forth are arranged in multiple stages within the main body case, and on the underside of the bottom drawer among the drawers, auxiliary legs are provided. As the bottom drawer is pushed into the main body case, the drawer will fall and rotate toward the front of the drawer, and the bottom drawer will pivot freely so that it can be folded and stored between the bottom plate of the bottom drawer and the bottom plate of the main body case. the auxiliary leg is provided with a spring means for biasing the auxiliary leg into an upright state;
The auxiliary leg is configured to be provided with a locking means for preventing further backward inclination when the auxiliary leg stands up in a state of backward inclination from its pivot point.

[Effect]

In such a configuration, when the lowest drawer is pulled out from the main body case, the auxiliary legs pivotally connected to the lower surface of the lowest drawer are erected and rotated by the spring means, and the auxiliary legs are tilted backward from the pivot point. The lower end of the auxiliary leg is in contact with the floor, and the weight of the bottom drawer can be supported on the floor via the auxiliary leg. Therefore, it is possible to prevent the side cabinet from tilting forward and overturning, and it is also possible to reduce the force applied to the suspension mechanism and rail for the lowest drawer.

On the other hand, when the lowest drawer is pushed into the main body case, the auxiliary legs fall down and rotate forward of the pivot portion against the spring means as the lowest drawer is pushed into the main body case. It is stored between the bottom plate of the drawer and the bottom plate of the main case.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. In the drawings, reference numeral 1 indicates a desk with a desk top plate 3 attached between the left and right legs 2, and reference numeral 4 indicates a desk installed between the left and right legs 2 of the desk 1. The installed side cabinets are shown respectively.

The side cabinet 4 has casters 7 at each of the four corners of the lower surface of the bottom plate 6 of the main body case 5.
On the other hand, a top drawer 8, a middle drawer 9, and a bottom drawer 10 are provided inside the main body case 5 so as to be freely drawn out. In this case, the drawers 8, 9, and 10 of each stage are respectively connected to the suspension mechanism 1.
1, 12, 13 and rails so as to be movable back and forth.

The lowest drawer 10 among the drawers has a deep tray portion 15 that is shaped like a deep dish and has a long depth attached behind the mirror plate 14 on the front side thereof. As the lowermost drawer 10 is pushed into the main body case 5, the auxiliary leg 17 is placed in a nearby position, and as the lowermost drawer 10 is pushed into the main body case 5, it falls down and rotates toward the front of the drawer 10, and the bottom plate 16 of the lowest drawer 10 and the bottom plate 6 of the main body case 5 It is pivotably mounted so that it can be folded and stored between the two.

This auxiliary leg 17 is provided with a torsion spring 18 that biases the auxiliary leg 17 into an upright state. A locking means is provided to prevent this.

For example, the auxiliary leg 17 is formed by bending a bar member upward into a U-shape, and by bending its left and right upper ends horizontally outward to form a pivoting portion 21 for the lowermost drawer 10.
At this time, the height dimension (l1) from the pivot portion 21 of the auxiliary leg 17 to the lower end, which is the free end, is the same as that of the bottom plate 16 of the lowermost drawer 10.
It is formed to have a dimension slightly shorter than the height dimension (l2) from the bottom surface to the floor surface 22. On the other hand, a pair of left and right brackets 20, 20' having a U-shaped cross section are fixed to the lower surface of the bottom plate 16 of the lowermost drawer 10, and both pivoting parts of the auxiliary legs 17 are attached to both the brackets 20, 20'. 21 is rotatably supported. The auxiliary leg 17 is provided with a structure in which when the auxiliary leg 17 is erected in a state of tilting backward relative to the pivot portion 21, it comes into contact with the lower surface of the bottom plate 16 in the lowermost drawer 10 and prevents it from tilting further backward. A stopper piece 19 is provided to constitute a locking means.

In this configuration, when the lowermost drawer 10 is housed in the main case 5 as shown in FIG.
and the bottom plate 16 of the lowest drawer 10. When the lowermost drawer 10 is pulled out, the auxiliary leg 17 stands up and rotates due to the repulsive force of the torsion spring 18. The stopper piece 19 provided on the auxiliary leg 17 comes into contact with the bottom plate 16 of the lowermost drawer 10 at the time when the auxiliary leg 17 stands up in a tilted state backward from the pivot portion 21, so that the tilted posture can be maintained thereafter.

In this state, while the amount that the lowest drawer 10 is pulled forward is small, the center of gravity of the lowest drawer 10 does not move forward of the main body case 5, so the lower end of the auxiliary leg 17 comes into contact with the floor 22. However, when the bottom drawer 10 is pulled out, the center of gravity of the drawer 10 moves forward relative to the main body case 5, and the front part of the bottom drawer 10 lowers and the auxiliary legs 17 move relative to the floor 22. Since the bottom drawer 10 is supported by contacting the bottom drawer 10 (see the one-dot chain line in FIG. 4), the entire side cabinet 4 can be prevented from leaning forward and falling over, and the suspension for the bottom drawer 10 can be prevented. This makes it possible to reduce the force applied to the shaft mechanism 13 and the rail.

On the contrary, when the lowermost drawer 10 is pushed into the main body case 5, the rear side surface of the auxiliary leg 17 comes into contact with the front edge 23 of the bottom plate 6 in the main body case 5, so that the lowermost drawer 10 is pushed into the main body case 5. As it is pushed inward, it falls and rotates against the torsion spring 18, and is folded and stored between the bottom plate 16 of the lowermost drawer 10 and the bottom plate 6 of the main body case 5.

[Effect of idea]

As described above, according to the present invention, when the lowest drawer in the side cabinet is pulled out, the weight of the lowest drawer can be supported by the auxiliary legs that stand up at the same time as the drawer is pulled out. It is possible to reliably prevent falls, reduce the force applied to the suspension and rail for the bottom drawer, improve its durability, and achieve the effect of reducing size and weight. Since the storage by the upright rotation and fall down rotation of the auxiliary legs can be automatically performed in conjunction with the pull-out and push-in movements of the bottom drawer, this also has the effect of requiring no effort. .

[Brief explanation of the drawing]

Figure 1 is a perspective view of the desk, Figure 2 is the − of Figure 1.
3 is a perspective view of the auxiliary leg, and FIG. 4 is an explanatory diagram of the operation. 4...Side cabinet, 5...Main case, 6
...Bottom plate, 7...Casters, 10...Lowermost drawer, 16
...bottom plate, 17...auxiliary leg, 21...pivot part, 18...spring, 19...locking means.

Claims (1)

[Scope of utility model registration request] In a side cabinet comprising multiple drawers that are movable back and forth within the main body case, auxiliary legs are provided on the underside of the lowest drawer among the drawers.
As the bottom drawer is pushed into the main body case, the drawer falls and rotates toward the front of the drawer, and is rotatably pivoted between the bottom plate of the bottom drawer and the bottom plate of the main body case so that it can be folded and stored. , the auxiliary leg is provided with a spring means for biasing the auxiliary leg into an upright state, and a lock that prevents the auxiliary leg from tilting further backward when the auxiliary leg stands up in a rearward tilted state from its pivot point; A fall prevention device for a side cabinet, characterized in that a means is provided.