JPH06343518A - Side chest for desk - Google Patents

Abstract

PURPOSE:To secure containability and workability by providing the upper face part of the side chest main body with the upper face plate being freely ascendable and descendable between a position being lower than the upper limit of the lower space of a top plate and a position of the same height as the top plate of the desk. CONSTITUTION:The side chest S1 is provided with a side chest main body 20 of a box shape, and the upper face plate 30 which can be mounted on the upper face of the side chest main body 20, and is formed in almost the same plane shape as its upper face, and by a link mechanism 40, the upper face plate 30 is allowed to ascend and descend in a state that it remains held in a horizontal attitude. The side chest main body 20 is constituted by using a metal as a main material, and provided with moving casters 22, etc., in addition to drawers 21. As for the side chest main body 20, the dimensions are set so that the upper face position of the upper face plate 30 becomes lower than the upper limit of the lower space 3 of the top plate of the desk 1 in a state that the upper face plate 30 is mounted on the upper face, and it can be contained in the lower space 3 of the top plate in its state. The upper face plate 30 is constituted so as to ascend to height of the top plate of the desk in a state that its horizontal attitude remains held, by the link mechanism 40.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a side chest for a desk, which is usually used with a desk.

[0002]

2. Description of the Related Art Regardless of whether it is an office desk or a home desk, a side chest is sometimes used together with the desk in order to enlarge the work surface of the desk and improve the storability of documents.

Generally, such a side chest is formed in such a size that it can be accommodated in the space below the tabletop of the desk. When desk work is not performed, the side chest is stored in the space below the tabletop. While ensuring good storage performance, when performing desk work, the workability is improved by taking it out from the desk and using the upper surface as a desk work surface together with the desk top plate.

[0004]

However, since the conventional side chest is formed so that it can be stored under the desk top plate, the upper position of the side chest is lower than that of the desk top plate. Sized to be
For this reason, when the side chest is taken out of the desk, a step is generated between the top surface of the desk and the top surface of the side chest, and the desk work must be performed on the work surface having the step, and good workability is obtained. There was a problem that I could not.

The present invention solves the above-mentioned problems of the prior art and provides a side chest for desks which can secure good storability when desk work is not performed and can obtain good workability during desk work. The purpose is to do.

[0006]

A side chest for a desk according to the present invention is a side chest main body that can be stored in a space below a top plate of a desk, and is provided on an upper surface of the side chest main body, and is provided in the space below the top plate. The gist of the present invention is to provide a top plate that can be raised and lowered between a position lower than the upper limit of the above and a position at the same height as the desk top plate.

In the present invention, the expression "the top plate and the desk top are at the same height" includes those having a height difference between the two plates within the range in which the object of the present invention can be achieved.

[0008]

The side chest for a desk of the present invention is a side chest body that can be stored in the space below the tabletop of the desk, and a position below the upper limit of the space below the table provided on the upper surface of the body. An upper surface plate that can be raised and lowered between the plate and the same height position. For this reason, in this side chest, if the top plate is set at a position lower than the upper limit of the space below the top plate, it can be stored in that space, while if the top plate is set at the same height position as the desk top plate, The top plate and the desk top plate can form a flat desk work surface without steps.

[0009]

【Example】

<First Embodiment> FIGS. 1 and 2 are views showing examples of use of a side chest according to a first embodiment of the present invention. FIGS. 1 (a) and 2 (a) show side chests. FIG. 1B and FIG. 2B show the storage state, and the desk working state.

As shown in these figures, the side chest (S1) can be placed on the box-shaped side chest body (20) and the upper surface of the side chest body (20), and is substantially the same plane as the upper surface. And a top plate (30) formed in a shape. The link mechanism (40) moves the top plate (30) up and down while keeping it in a horizontal posture.

First, the side chest body (20) is composed mainly of metal, and in addition to the drawer (21),
It is equipped with a transfer caster (22) and the like. Further, the side chest body (20) has a top plate (3
0) is placed such that the upper surface position of the upper plate (30) is lower than the upper limit of the lower space (3) of the desk (1). (3) It can be stored inside.

The upper surface plate (30) is made of a resin molded product, and a concave portion (not shown) is formed at an appropriate position on the lower surface side, and a link mechanism (40) described later in detail is formed in the concave portion.
Alternatively, the stopper mechanism (50) and the like are housed so that the stopper mechanism (50) can be placed on the upper surface of the side chest body (20) without a gap.

As shown in FIGS. 3 and 4, the link mechanism (40) has two substantially U-shaped link constituent members (41) at the front and rear. In each link component (41), the tip ends of both side pieces (41a) are rotatably attached to the upper surface of the side chest body (20), and the central shaft piece (41b) is placed on the lower surface side of the upper surface plate (30). It is rotatably attached. Then, when the top plate (30) is lifted,
The link constituent member (41) rises while rotating, whereby the top plate (30) rises while maintaining a horizontal posture.

Further, the central shaft piece (41b) of the front side link constituent member (41) has an L-shaped bar (42) around its axis.
The main shaft portion (42a) of is attached rotatably.

On the other hand, a stopper mechanism (50) is provided at the front center of the upper surface of the side chest body (20).

As shown in FIG. 5, the stopper mechanism (5
0) has a rectangular parallelepiped box body (51) fixed to the upper surface of the side chest body (20). An opening (51a) communicating with the inside of the box body (51) is formed at the rear end of the box body (51), and the box body (51) is also formed.
The upper wall side portion of the L-shaped bar guide notch portion (51) extending in the front-rear direction and communicating with the rear end opening portion (51a).
b) is formed. The bent end (42b) of the L-shaped bar (42) is inserted into the box body (51) through the rear end opening (51a), and the upper plate (30) is attached to the side chest. When placed on the upper surface of the main body (20), it is lying down along the upper surface of the side chest main body (20).

A lock release lever (55) is rotatably attached to a front wall (51c) of the box body (51) via a shaft (56). The lock release lever (55) includes a bent end (42) of the L-shaped bar (42).
The downward hook (55a) engageable with b) is integrally formed, and the tip of the hook (55a) has a hook insertion notch (51d) formed at the front of the upper wall of the box body (51). It is arranged inside the box body (51) via the. Further, a flexible hanging piece (55b) is integrally formed on the lock release lever (55) so as to come into contact with the outer surface of the front wall (51c) of the box body (51). Due to the restoring force of (55b), the lock release lever (55) is rotationally biased in the clockwise direction of FIG. 5C, that is, in the direction in which the hook (55a) engages with the L-shaped lever (42).

Then, when the upper surface plate (30) placed on the upper surface of the side chest body (20) is lifted up,
As shown in FIG. 4 (b) and phantom line in FIG. 5, the tip bent portion (42b) of the L-shaped bar (42) is a box body (51).
The main shaft portion (42a) gradually rises up through the guide notch portion (42) while sliding inside.
Further, when the link constituent member (41) is rotated to a position slightly above the top dead center, the tip bent portion (42b) of the L-shaped bar (42) contacts the inner surface of the front wall (51c) of the box body (51). Then, the rotation of the link component member (41) is restricted, and the upper surface plate (30) has a predetermined height, that is, the upper surface position of the upper surface plate (30) is the upper surface of the top plate (2) of the desk (1). It is designed to be held at a height equal to the position. Further, when the tip end bent portion (42b) of the L-shaped bar (42) is abutted and locked to the front wall (51c), the bent portion (42)
The hook (55a) is automatically engaged with b) to prevent the L-shaped bar (42) from returning to the rear side and prevent the top plate (30) from being accidentally lowered. .

From this state, the lock release lever (55) is pushed downward to move the flexible hanging piece (55b).
When it is rotated counterclockwise in FIG. 5C against the biasing force of the hook, the engagement of the hook (55a) with the L-shaped lever (42) is released, and the L-shaped lever (42) is returned. It is allowed, and the lowering and lowering operation of the top plate (30) is allowed.

The side chest (S
In 1), when the top plate (30) is placed on the upper surface of the main body (20), the top plate (30) is arranged at a position lower than the upper limit of the space (3) below the top plate, so that space (3) It can be stored in the interior without any trouble, and good storability can be secured.

From this state, as shown in FIGS. 1 (b) and 2 (b), the side chest (S1) is taken out from the space (3) below the top plate to the front side, and the top plate (3
0) is lifted upward so that the top plate (30) is held at the same height as the desk top plate (2). Therefore, a wide and flat desk work surface can be formed by the desk top plate (2) and the top plate (30), and good workability can also be obtained.

On the other hand, in order to store the side chest (S1) in the desk (1) from the state where the top plate is lifted, the lock release lever (55) is operated to operate the hook (55) as described above.
This is done by releasing the engagement of a) with the L-shaped lever (42), lowering and lowering the upper plate (30), and then storing it in the lower space (3) of the top plate.

<Second Embodiment> FIGS. 6A and 6B are side chests (S) according to a second embodiment of the present invention.
It is a perspective view which shows 2). As shown in both figures, in the side chest (S2), the structure of the upper plate (31) is different from that of the first embodiment.

That is, the upper plate (31) is composed of two plate members (31a) (31a) having substantially the same planar shape as the upper surface of the side chest body (20), and these plates are on one side of each other. Hinges (31
connected by b). Further, when the upper plate member (31a) is opened with respect to the lower plate member (31a) as shown in FIG. 6B, both plate members (31a) (31a) are held in the same plane with each other. It is designed to be.

The other structure is the same as that of the first embodiment.

In this side chest (S2),
As shown in FIG. 6 (a), the upper surface plate (31) made of the plate materials (31a) (31a) is placed on the upper surface of the side chest body (20) in a folded state, so that the same manner as in the above embodiment. , Can be stored in the space below the tabletop.

When carrying out desk work, as shown in FIG. 2B, the side chest (S2) is taken out of the desk and the top plate (31) is lifted to a predetermined height before the plate material (31a). (31a) is opened, and the desk work is performed with the two plate materials (31a) and (31a) as work surfaces.

However, when the desk work is performed, the two folded plate members (31a) (31a) are simply lifted, in other words, the two plate members (31a) (31a)
It is also possible to use the upper surface of the upper plate member (31a) as a work surface in the folded state of a).

In this embodiment, a two-fold type top plate made of two plate materials is used, but by using a multi-fold type top plate made of three or more plate materials, desk work can be performed. It is also possible to form the surface wider.

<Third Embodiment> FIG. 7 is a perspective view showing a side chest (S3) according to a third embodiment of the present invention. As shown in the figure, in this side chest (S3), a tray storage recess (25) is formed in the upper surface of the side chest body (20), and this recess (25) is formed.
There is a tray (35) that can be stored in.

The upper ends of the four link components (41a) are rotatably attached to the outer surface of the side wall of the tray (35), and the lower ends of the four link component members (41a) are attached to the tray accommodating recess (2).
It is attached rotatably to the inner wall side of 5).

Then, when the tray (35) is lowered and lowered by rotating each link constituting member (41a),
The tray (35) is housed in the recess (25),
When the tray (35) is lifted up from that state, the tray (35) is held at a predetermined height while maintaining a horizontal posture.

A top plate (32) also serving as a lid is attached to the tray (35) so that the upper opening thereof can be opened and closed, and when the top plate (32) is opened, the top plate (32) is opened. ) Is kept horizontal.

The other structure is the same as that of the first and second embodiments.

In this side chest (S3),
With the tray (35) closed by the top plate (32), the tray (35) is lowered and lowered to the tray storage recess (2
5) By storing in, like the above-mentioned each embodiment,
It can be stored in the space below the tabletop of the desk. Also, when performing desk work, the side chest (S
3) Remove the tray from the desk, lift the tray (35) to a predetermined height, open the top plate (32) to open the tray (35), and work with the inner surface side of the top plate (32). Will form a surface.

However, when the desk work is performed, even if the tray (35) is just lifted, in other words, the tray (35) is closed by the upper plate (32), the outer surface of the upper plate (32) is removed. It can also be used as a work surface.

In the second and third embodiments, when the upper plate (31) (32) is lifted, the upper plate (31) (32) is the same as the desk top plate before being opened. Even if it is configured to be set to the height, the top plate (31) (3
It may be configured such that it is set at the same height as the desk top with 2) open.

By the way, the side chests (S1) to (S3) of the first to third embodiments are mainly composed of metal, resin, etc. While it is used with a desk, the side chests (S4) to (S6) of the fourth and fifth embodiments described below are mainly made of a wooden material, such as a home desk. It is used with the wooden desk of.

<Fourth Embodiment> FIG. 8 is a sectional view of an upper side of a side chest (S4) according to a fourth embodiment of the present invention, in which FIG. The state of being placed on the chest main body (120) is shown, (b) of the figure shows a state in the middle of lifting the upper plate (130), and (c) of the figure shows a lift completed state.

As shown in these figures, this side chest (S4) is a wooden side chest body (120).
And a wooden upper plate (130), and a link mechanism composed of wooden link components (141) (141) and the like allows the upper plate (130) to be raised and lowered while being kept in a horizontal posture. .

That is, the link constituent members (141) (1
41) are each formed in a rectangular parallelepiped shape that is long in the width direction of the side chest, and each link constituent member (141).
The upper end rear edge of (141) is rotatably attached to the lower surface of the upper plate (130) by a hinge (142), and the lower end front edge of each link component (141) (141) is hinged (143). Side chest body (12
It is rotatably attached to the upper surface of (0).

As a result, when the top plate (130) is lifted, the link components (141) (141) stand upright,
The top plate (130) is held at a predetermined height, that is, at the same height as the desk top plate while keeping the horizontal posture, and the link members (141) (141) lie down on the top plate (130). Then, the upper plate (130) is placed on the upper surface of the side chest body (120) so that it can be stored in the space below the top plate.

Further, as shown in FIG. 9, a stopper accommodating concave portion (1) is formed at the center of the front portion of the front side link constituent member (141).
44) is formed, and the stopper (15) having a rectangular parallelepiped shape that can be freely inserted into and removed from the stopper accommodating recess (144) is formed.
One side edge of (0) is rotatably attached to the side edge of the recess (144) of the link component (141) by a hinge (145).

Then, when the stopper (150) is opened with the upper surface plate (130) being lifted, the stopper (150) is interposed between the side chest body (120) and the upper surface plate (130) to form a link. The structural member (141) is prevented from falling down and the top plate (130) is prevented from being accidentally lowered. Needless to say, if the stopper (150) is closed and housed in the recess (144) from this state, the lowering and lowering operation of the top plate (130) can be performed.

<Fifth Embodiment> FIG. 10 shows a fifth embodiment of the present invention.
FIG. 11 is a side sectional view showing an upper part of the side chest (S5) which is the embodiment of FIG. 11, and FIG. 11 is a perspective view showing an upper part of the side chest (S5).

As shown in these figures, also in this side chest (S5), the upper plate (1) is formed by the same link mechanism as the side chess (S4) of the fourth embodiment.
30) is configured to be movable up and down.

Further, the link constituent members (141) (14
1) Both side pieces (151) of a substantially U-shaped lock bar (151) arranged from one side to the front side to the other side.
c) The tip is rotatably attached to the rear portion on the lower surface side of the top plate (130). The engaging portion (1) folded back in a step shape is formed on the base end side of both side pieces (151c) of the lock bar (151).
51a) are formed respectively, and the lock pins (151) are respectively associated with the stepped engagement portions (151a).
b) (151b) is the front link component (141)
Are attached to both end faces of the in a laterally protruding manner.

This lock bar (151) is shown in FIG.
In the upper plate mounting state shown in (a), both side pieces (15
1c) has a lock pin (151b) (151
b) is mounted on. Then, when the upper plate (130) is lifted upward from that state, the lock bar (1
51) slides backward on the lock pins (151b) (151b), and when the upper plate (130) is completely lifted, the stepped engagement portion (151a) is released. When the lock pin (151b) is reached, the stepped engagement portion (151a) is automatically engaged with the lock pin (151b) by its own weight.

In this state, the lock bar (151) is interposed between the top plate (130) and the front side link forming member (141), and the fall rotation of the link forming member (141) is restricted, so that the top plate. The careless effect of (130) is prevented.

When the lowering and lowering operation of the upper plate (130) is performed from the upper plate lifting state shown in FIG. 10 (b), the lock bar (151) is attached to the central connecting piece (151).
d) Hold by hand and rotate to lift upwards,
The engagement of the stepped engagement portion (151a) with the lock pin (151b) is released, and in that state, the upper surface plate (130) may be lowered and lowered so that the link constituent member (141) is laid forward. .

<Sixth Embodiment> FIG. 12 shows a sixth embodiment of the present invention.
FIG. 4A is a front view of the upper side of the side chest (S6), which is an embodiment of the present invention, in which (a) shows the state in which the top plate (130) is placed, and (b) shows the top plate (130). FIG. 13C shows a state in the middle of lifting, FIG. 13C shows a completed state of lifting, and FIG. 13 shows an upper sectional view of the side chest (S6) in the completed state of lifting the upper surface plate.

As shown in these figures, in this side chest (S6), the upper and lower two wood pieces (241) are respectively provided.
Folding members (245) (245) rotatably connected to each other by a hinge (242) respectively have hinges (243) on the upper surface of the side chest body (120) and the lower surface of the upper plate (130) at the left and right positions, respectively. It is attached rotatably. Then, the top plate (13
0) is lifted, the folding members (245) (24)
5) are arranged vertically in a straight line, and the top plate (1
30) is horizontally held at the same height as the desk top plate, while the top plate (130) is attached to each folding member (245).
When you lower it so that (245) is folded inward,
The top plate (130) is placed on the top surface of the side chest body (120) so that it can be stored in the space below the top plate of the desk.

As shown in FIG. 14, the top plate (13
A stopper (250) is attached to the front part of the lower surface side of (0) via a mounting member (251) so as to be slidable in the front-rear direction. Then, when the stopper (250) is slid to fit between the folding members (245) while the top plate (130) is being lifted, the folding of the folding member (245) is prevented and the top plate (13) is prevented.
The inadvertent descent of 0) is prevented, while the stopper (2
When 50) is pulled out from between the folding members (245), folding of the folding member (245) is allowed, and the lowering and lowering operation of the top plate (130) can be performed.

In each of the above embodiments, the top plate is moved up and down by a link mechanism or the like. However, in the present invention, the top plate is at a position where it can be stored at least in the space below the tabletop. Any mechanism may be used as long as it can be lifted and lowered between the desk top plate and the same height position. For example, a mechanism for raising and lowering the top plate with a ball screw, a mechanism for raising and lowering with a fluid pressure cylinder such as an air cylinder, and a mechanism for raising and lowering with a pantograph-type crossbar may be used. Good.

[0055]

As described above, the desk side chest of the present invention is provided with a side chest main body that can be stored in the space below the top plate of the desk and the upper surface of the main body, and is above the upper limit of the space below the top plate. And a top plate that can be raised and lowered between a lower position and the same height position as the desk top plate. For this reason, in this side chest, if the top plate is set at a position lower than the upper limit of the space below the top plate, it can be stored in that space without any trouble and good storability can be secured, while the top plate is used as a desk top plate. If they are set at the same height position, a flat desk work surface without a step can be formed between the top plate and the desk top plate, and good workability can be obtained.

[Brief description of drawings]

FIG. 1 is a side view showing a usage example of a side chest according to a first embodiment of the present invention.

FIG. 2 is a plan view showing a usage example of the side chest of the first embodiment.

FIG. 3 is a partially cutaway plan view showing a side chest of the first embodiment.

FIG. 4 is a side view showing a link mechanism of the side chest of the first embodiment.

FIG. 5 is a view showing a stopper mechanism of the side chest of the first embodiment.

FIG. 6 is a perspective view showing a side chest which is a second embodiment of the present invention.

FIG. 7 is a perspective view showing a side chest according to a third embodiment of the present invention.

FIG. 8 is a side sectional view showing an upper portion of a side chest according to a fourth embodiment of the present invention.

FIG. 9 is a perspective view showing a side chest stopper mechanism of a fourth embodiment.

FIG. 10 is a side sectional view showing an upper portion of a side chest according to a fifth embodiment of the present invention.

FIG. 11 is a perspective view showing an upper portion of a side chest of a fifth embodiment.

FIG. 12 is a front view showing an upper portion of a side chest according to a sixth embodiment of the present invention.

FIG. 13 is a side sectional view showing an upper portion of a side chest according to a sixth embodiment.

FIG. 14 is a perspective view showing a stopper mechanism of a side side chest according to a sixth embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Desk 2 ... Desk top board 3 ... Top board lower space 20, 120 ... Side chest main body 30, 31, 32, 130 ... Top board S1-S6 ... Side chest

Claims (1)

[Claims] 1. A side chest body that can be stored in a space below a tabletop of a desk, a position provided on an upper surface of the side chest body, lower than an upper limit of the space below the tabletop, and the same as the tabletop. A side chest for a desk, comprising: a top plate that can be raised and lowered between the height position and the height position.