JP2000004950A - Desk with elevating panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable adjustment of height of an elevating panel attached to a desk easily and quickly. SOLUTION: An elevating panel 2 which is vertically movable is attached to plural brackets 15 equipped at a side or back part of a desk 1 and a constant load spring 24 is equipped in between the desk 1 and the elevating panel 2 so that the weight of the elevating panel can be balanced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a desk having a lifting panel.

[0002]

2. Description of the Related Art Conventionally, a panel which can be mounted on a table, table, desk or the like (collectively referred to as a "desk" in the present specification) and whose height can be changed has a hook provided on a desk. The height can be adjusted by engaging with a selected one of a plurality of holes provided in the panel.

[0003]

However, in the conventional panel, when adjusting the height, it is necessary to temporarily remove a hole from the hook and to engage another hole with the hook. The work is troublesome. In particular, when the panel is heavy, it is difficult to adjust the height alone, the panel may be accidentally dropped on the floor, and the panel and the floor may be damaged.

[0004] In view of the above problems, an object of the present invention is to provide a desk provided with an elevating panel capable of easily and quickly adjusting the height of the panel.

[0005]

According to the present invention, the above-mentioned problem is solved as follows. (1) A desk provided with a vertically movable panel on a plurality of brackets provided on side or rear portions, wherein the vertically movable panel is provided between the desk and the vertically movable panel when the vertically movable panel is moved. A constant load spring for applying a constant tension between the table and the desk is provided.

(2) In the above item (1), the constant load spring includes an elastic strip steel plate wound around a drum, and regardless of the drawing length of the elastic strip steel sheet, the constant load spring is disposed between the lifting panel and the desk. An almost constant tension is generated.

(3) In the above item (2), the draw-out end of the elastic steel strip is connected to a member integrated with the desk in the elevating panel, and a drum is provided on the member that moves up and down integrally with the elevating panel. The constant load spring is housed in the lifting panel.

(4) In the above item (2), the drum is provided below the tabletop of the desk, the unwinding end of the elastic steel plate is connected to the lower part of the elevating panel, and the drum of the constant load spring is connected to the elevating panel. Arrange on the back side.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. An elevating panel (2) (hereinafter, simply referred to as a "panel") attached to the desk (1) is provided at the rear or side of the desk (1) so as to be able to ascend or descend as shown in FIGS. I have.

As shown in FIGS. 3 and 4, the frame of the panel (2) includes a pair of left and right vertical core members (3) and (3) that face in the vertical direction.
It is formed of a pair of upper and lower horizontal core members (4) having a U-shaped cross section and connecting the upper and lower ends of the vertical core member (3). Front and back panel plates (5) and (6) are attached to the front and back surfaces of this frame, and edge members (7) and (7) are attached to the top, bottom, left and right edges of the front and back panel plates (5) and (6). (8) Attach (8). In the corner, screw
(9) attaches an L-shaped corner member (10).

The panel (2) is provided with a through hole (6) of the back panel (6).
The bracket (13) projecting from a) is screwed to the panel mounting bracket (15) which is attached to the lower surface (14a) of the top plate (14) of the desk (1) shown in FIG. , Attached to the desk (1).

Therefore, the guide (12), the bracket (13) and the panel mounting bracket (15) are provided in a pair, respectively.
The panel (2) is integrated with the desk (1) and fixed, and the panel (2) is mounted on the fixed guide (12) on the panel rail (11).
Slides to move up and down. The guides (12) are connected to each other by a connecting frame (16) disposed horizontally in the left-right direction.

As shown in FIG. 5, the panel (2) is provided with a positioning mechanism (17) between the guide (12) and the vertical core (3) so that the panel (2) can be adjusted to a desired height. ing. Positioning mechanism (1
7) is provided on the guide body (12), and the locking piece (19a) of the lock fitting (19) urged to rotate in one direction by the spring (18) is engaged with the vertical core member (3) having a U-shaped cross section. ) Is engaged with a notch-shaped locking hole (3a) at the corner of (2) to prevent the panel (2) from descending.

Panel (2) for raising panel (2)
When the lock is raised, the lower edge of the lock hole (3a) is rotated counterclockwise in FIG. 5 against the elasticity of the spring (18), so that the lock hole (3a) and the lock metal (19) are rotated. Is released, and the lower engaging hole (3a) is engaged with the next lower engaging hole (3a), thereby being raised by one pitch of the engaging hole (3a). When the height is further increased, the panel (2) is pulled up again, and the locking piece (19a) is engaged with the lower locking hole (3a).

When the height of the panel (2) is reduced, the panel (2) is once raised to the highest position, lowered to the lowest position, and then raised again to obtain the panel (2). Can be made approximately the desired height.

That is, as shown in FIG. 6, the panel (2)
Is raised to the highest position, and the slide fitting (21) is pushed up by the lower protruding piece (20) projecting below the vertical core member (3). Then, the lower edge of the notch hole (21a) of the slide bracket (21) rotates the lock bracket (19) counterclockwise to move the lock bracket (19) to the slide bracket.
(21). As a result, the lock fitting (19) is prevented from rotating, and cannot be engaged with the locking hole (3a). In this state, the panel (2) is lowered to the lowest position.

The slide fitting (21) is provided on the guide (12) by a pin (22) and a vertically long slot (21b) so as to be vertically movable.

When the panel (2) is lowered to the lowest position, an upper protruding piece (23) protruding from an intermediate portion of the vertical core member (3) shown in FIG. The locking piece (19a) of the metal fitting (21) is projected from the notch hole (21a) of the slide metal fitting (21).

The panel (2) can be fixed by pulling up the panel (2) again and engaging the lock fitting (19) with the locking hole (3a) of a desired height.

In this way, the height of the panel (2) can be adjusted. However, when the height is adjusted, a lifting force for lifting the panel and a suspending force for lowering the panel are required. Height adjustment cannot be performed smoothly.

Further, instead of providing the positioning mechanism (17), a friction material is interposed between the panel rail (11) and the guide body (12), and the friction force of the friction material causes the panel (2) to move. The panel (2) can be held at a desired height by preventing the panel from falling. Even in such a case, a force is required to raise and lower the panel (2).

Therefore, as shown in FIGS. 3, 7 and 8,
A constant load spring (24) is provided between the connecting frame (16) and the lower horizontal member (4) integral with the panel (2) so that the panel (2) can be raised and lowered with a small force. Have been.

A constant load spring (24) is housed in the panel (2), and a drum (26) provided on a bracket (29) on the horizontal core member (4) via a shaft (25). An elastic strip steel plate (27) wound around the drum (26) and having its unwinding end attached to the connecting frame (16). The rear panel plate (6) has a projection (6b) for accommodating the drum (26).

The constant load spring (24) has a structure in which the elastic strip steel plate (27) is wound around the drum (26).
When 7) is withdrawn, a tension is generated against it. Moreover, this tension is substantially constant irrespective of the length of the drawn-out elastic strip steel plate (27).

When the panel (2) moves up and down, the drum (26) also moves up and down integrally with the panel (2). But the connecting frame (16)
However, the guide (12), bracket (13) and panel mounting bracket (1
5), the elastic strip steel plate attached to the fixed connecting frame (16) is fixed to the desk (1).
The unwinding end (27a) of (27) does not move up and down.

Accordingly, when the panel (2) is lowered, the constant load spring (24) pulls out the elastic strip steel plate (27) from the drum (26) and acts as a force for lifting the panel (2).
When supporting the panel (2) and raising the panel (2), the elastic strip steel plate (27) is wrapped around the drum (26) and acts as a force to lift the panel (2). Part of the power required. That is, the constant load spring (24)
Can balance the weight of the elevating panel (2).

Moreover, since the tension of the constant load spring (24) is substantially constant irrespective of the length of the elastic strip steel plate (27) drawn out, the tension of the constant load spring (24) is substantially constant irrespective of the height of the panel (2). The panel (2) will be assisted in lifting and lowering the panel (2), and the panel (2) will be smooth and easy for even a non-powerful person.
The height of the can be adjusted.

Further, since the constant load spring (24) is housed in the panel (2), the appearance of the panel (2) does not deteriorate.

Since the rear side of the panel faces the desk (1) and is barely visible, as shown in FIG. 9, the drum (26) of the constant load spring (24) is mounted on the top of the desk (1). Provided on the lower surface (14a) of the plate (14), the unwinding end (27a) of the elastic steel plate (27)
It may be attached to the lower part on the back side of. In this case, the unwind end
In order not to damage (27a), a cover (28) covering the unwinding tip is attached to the lower part of the panel (30).

[0030]

According to the first aspect of the present invention, when the panel is moved up and down, the constant load spring acts as a force for supporting the panel, so that the panel can be moved up and down smoothly with a smaller force than before.

According to the second aspect of the present invention, the constant load spring is
If the panel is always supported with a substantially constant tension, the panel can be moved up and down with a substantially constant force at any height.

According to the third aspect of the present invention, since the constant load spring is housed in the panel, the appearance of the panel is not impaired.

According to the fourth aspect of the present invention, since the constant load spring is disposed on the back surface of the panel, the panel can be made thinner by that amount, and the constant load spring is almost invisible from the outside. And does not impair the appearance of a desk with a panel.

[Brief description of the drawings]

FIG. 1 is a plan view of a desk including a lifting panel according to an embodiment of the present invention.

FIG. 2 is a front view of the desk, showing the case where the rear panel is raised most and the case where it is lowered most.

FIG. 3 is a view of the elevation panel as viewed from the front side, omitting a front panel plate of the elevation panel.

FIG. 4 is an exploded perspective view of a lifting panel.

FIG. 5 is an operation explanatory view of a positioning mechanism.

FIG. 6 is an operation explanatory view of a positioning mechanism.

FIG. 7 is a cross-sectional view of a lift panel provided on a desk near a constant load spring.

FIG. 8 is a perspective view of a constant load spring.

FIG. 9 is a side view of a desk provided with a lifting panel according to another embodiment.

[Explanation of symbols]

 (1) Desk (2) Vertical panel (3) Vertical core (3a) Locking hole (4) Horizontal core (5) Front panel (6) Back panel (6a) Through hole (6b) Projection ( 7) Edge material (8) Edge material (9) Screw (10) Corner member (11) Panel rail (12) Guide body (13) Bracket (14) Top plate (14a) Lower surface (15) Panel mounting bracket (bracket) (16) Connecting frame (17) Positioning mechanism (18) Spring (19) Lock bracket (19a) Locking piece (20) Lower protruding piece (21) Slide bracket (21a) Notch hole (21b) Slotted hole (22) Pin (23) Upper protruding piece (24) Constant load spring (25) Shaft (26) Drum (27) Elastic band steel plate (27a) Unwinding end (28) Cover (29) Bracket (30) Elevating panel

Claims (4)

[Claims] 1. A desk in which a vertically movable panel is provided on a plurality of brackets provided on a side portion or a rear portion, wherein the vertically movable panel is moved between the desk and the vertically movable panel. A desk provided with a lift panel, wherein a constant load spring for applying a constant tension is provided between the lift panel and the desk. 2. The constant load spring includes an elastic strip steel sheet wound around a drum, regardless of a drawing length of the elastic strip steel sheet.
2. A desk provided with a lifting panel according to claim 1, wherein a substantially constant tension is generated between said lifting panel and the desk. 3. A drawer end of an elastic strip steel plate is connected to a member integrated with a desk in an elevating panel, and a drum is provided on a member which elevates and lowers integrally with the elevating panel. A desk provided with the elevating panel according to claim 2 housed in the panel. 4. A drum is provided below a top plate of a desk, an unwinding end of an elastic strip steel plate is connected to a lower portion of a lifting panel, and a drum of a constant load spring is disposed on the back side of the lifting panel. Item 2. A desk comprising the elevating panel according to Item 2.