JP2000023756A - Desk with elevating panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To elevate and lower panels speedily and easily and to fasten it at desired height reliably. SOLUTION: As a fastening part 19 which can be fastened at a plurality of fastening grooves 17 provided along the height of a panel is biased by a spring 21 in the direction of the fastening grooves 17 at all times, the panels 5a and 5b (5) are reliably held at locations at predetermined height at the time when the fastening part 19 is fastened in the fastening groove 17. In addition, as the fastening between the fastening part 19 and the fastening groove 17 is easily released via an operational part 23 provided at the upper surface of a top plate, it is possible to make the panels 5 freely elevated and lowered and to hold the panels 5 at locations at desired height by simple operations.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a desk provided with a vertically movable panel on a side of a desk body, wherein the vertically movable panel is provided on a top plate so as to be freely retractable.

[0002]

2. Description of the Related Art Conventionally, as a desk having an elevating panel in which an elevating panel is provided on a side plate of a desk body so as to be able to protrude and retract, for example, Japanese Patent Application Laid-Open No. 9-191946 is disclosed. In this desk, a stopper pin urged by a compression spring is fitted into a hole formed in a slide rail fixed to the panel, thereby holding the panel at a desired height position, When the panel is moved strongly, the engagement between the hole and the stopper pin is released, and the panel can be moved up and down.

[0003]

However, in such a desk, the panel can be quickly and easily lifted and stopped via the slide rail without complicating the structure of the lifting device. However, there is a problem that it is difficult to reliably hold the panel at a predetermined height position, particularly when the panel itself is large and heavy.

SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and an elevating panel capable of quickly and easily elevating and lowering a panel and securely locking the panel at a desired height is provided. It is intended to provide a desk to be equipped with.

[0005]

In order to solve the above-mentioned problems, a desk provided with an elevating panel according to the present invention comprises an elevating panel which can be moved up and down vertically on a side of the desk. In a desk provided with a freely movable elevating panel, a plurality of locking grooves are provided separately from each other in the up-down direction of the elevating panel, and the desk body side can be disengaged from the locking groove. A locking portion is provided so as to constantly urge in the locking groove direction, and an operation portion for releasing locking between the locking groove and the locking portion is provided at a predetermined location on the top plate. It is characterized by having. According to this feature, since the locking portions that can be locked to the plurality of locking grooves provided in the vertical direction of the panel are constantly urged in the locking groove direction, the locking portions are located in the locking grooves. When locked, the panel is securely held at the predetermined height. In addition, the locking between the locking portion and the locking groove can be easily released via the operating portion provided on the top surface of the top plate, so that the panel can be freely raised and lowered by a simple operation, or at a desired height position. Can be retained.

A desk having a lifting panel according to the present invention has a winding roller fixed to the panel in a storage portion of the panel, and a winding roller having one end fixed to the lower end of the panel and the other end fixed to the winding roller. It is preferable that a constant load spring device including a spring is provided. With this configuration, since the panel is urged upward by the force to be wound around the take-up roller, the user can easily pull out the panel upward with a small force, and the panel falls rapidly. Is prevented and safety is improved.

[0007] The desk provided with the elevating panel of the present invention, when locking the locking portion and the locking portion provided at the lowermost portion of the panel,
Preferably, at least a part of the panel is bent so as to overlap with the top surface of the top plate. In this way, the upper surface of the panel bent on the top plate can be used as a top plate for other work, and the bent portion of the panel is supported so as not to be able to move up and down when bent, so that the panel can be simplified. Can be bent.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. First, FIG. 1 shows a desk 1 having a liftable panel as an embodiment of the present invention. The board 3 is a drafting table fixed on the upper surface of the top 2, 4 and 4 are legs supporting the top 2, and 5 is a panel provided on the top 2 so as to be freely retractable. Reference numeral 6 denotes a parallel ruler provided on the drafting table 3.

As shown in FIGS. 2 and 3, at the rear of the desk 1, a backing plate 7, a partition plate 8 in front of the backing plate 7, and a top plate 9 constitute a storage section S for the panel 5. And the panel 5 can be stored. The panel 5 in the present embodiment includes:
The upper panel 5a and the lower panel 5b are vertically divided, and the two panels 5a and 5b are
And the upper panel 5a can be bent forward.

On the back side of the lower panel 5b, a guide rail 1 having a substantially C-shaped cross section extending in the vertical direction on the left and right sides of the back plate 7.
1, a guide member 12 (see FIG. 4) having a substantially H-shaped cross section, which is slidably fitted in a vertical direction, is fixed. The space between the inside of the storage unit S and the top plate 2 can be moved up and down via the opening 13 formed in the top 9.

The panel 5 includes a partition plate 8 in the storage section S.
And a winding spring 15 fixed at one end to the lower end of the lower panel 5b and the other end fixed to the winding roller 14. Since the panel 5 is urged upward by a force that winds around the take-up roller 14, the user can easily pull the panel 5 upward with a small force, and the panel 5 can be quickly dropped. Has been prevented.

The left and right sides of the panel 5 are shown in FIGS.
As shown in (a) and (b), L-shaped locking pieces 18, 18 ′, and 18 ″ each having a locking recess 17 at the tip end,
The locking recesses 17 are fixed to each other up and down by a predetermined distance so as to project forward of the panel 5.
Note that tapered surfaces 18a are formed above and below the locking recesses 17 and are inclined from the front surface F of the panel 5 toward the locking recesses 17 protruding from the front end.

In the upper part of the storage section S, locking pieces 18, 1
Locking rod 19 that can be locked in the locking recesses 17 of 8 ′ and 18 ″
Are pivotally supported via a shaft 20. The locking rod 19 is provided on the front surface F side of the panel 5 in the left-right direction of the storage section S, and is always attached to the rear, that is, toward the front surface F of the panel 5 by a spring 21 having one end fixed to the back plate 7. It is being rushed. An operating lever 23 capable of rotating the locking rod 19 through the shaft 20 is provided through an elongated hole 22 formed in the upper surface plate 9 from a continuous portion of the locking rod 19 and the shaft 20. The locking rod 19 and the locking recess 17 are unlocked by this operation.

Therefore, as shown in FIG. 5 (b), the locking rod 19 is pressed by the tapered surface 18a of the locking piece 18 which rises or descends as the panel 5 moves up and down, and is turned, so that the locking recess is formed. 17 so that the panel 5 is appropriately held at a predetermined position. When the operation lever 23 is tilted to the position shown by the two-dot chain line in FIG. 5B, the locking between the locking concave portion 17 and the locking rod 19 is released, so that the panel 5 can be moved up and down.

At the upper end of the front surface F of the upper panel 5a, as shown in FIG. 2, when the upper panel 5a is bent forward, the upper panel 5a comes into contact with the upper surface 3a of the drawing board 3, and the upper surface 3a and the panel 5a A protruding member 24 is fixed so as to form a predetermined space between the front member F and the front surface F. The protruding member 24 is made of a rubber material or the like so that an impact generated when the protruding member 24 is brought into contact with the protruding member 24 is reduced.

Next, the desk 1 of the present invention configured as described above.
The operation of the panel 5 will be described with reference to the drawings.
When the panel 5 is in the storage section S, the panel 5 is urged upward by the constant load spring device 16, but is attached rearward in the locking recess 17 of the uppermost locking piece 18 '' on each of the left and right sides. Since the urged locking rod 19 is fitted, it is securely held in the storage section S.

Here, when the panel 5 is to be used standing upright on the upper surface of the top plate 2, for example, the operation lever 23 is moved to the position shown in FIG.
(B) When the panel 5 is moved to the position shown by the two-dot chain line, the locking between the locking recess 17 of the locking piece 18 '' and the locking rod 19 is released, and the panel 5 can be moved up and down. At this time, the panel 5 does not drop rapidly due to the upward biasing action of the constant load spring device 16, and the user can easily pull out the panel 5 upward.

Next, when the panel 5 is raised to the position shown by the two-dot chain line in FIG.
8 ′ is driven along the tapered surface 18a,
It is retained by being automatically inserted into the inside. In this state, the division between the upper panel 5a and the lower panel 5b is below the upper plate 9, so that the upper panel 5a is supported upright by the guide rail 11 and the opening edge of the opening 13. . In this state, the panel 5 can be used as a blindfold panel, and its front surface F can be used as a pin-up board for documents and the like.

When the panel 5 is further pulled out to the position shown by the solid line on the left side in FIG. 3, a division between the upper panel 5a and the lower panel 5b appears above the upper plate 9,
The upper panel 5a can be bent forward. When the upper panel 5a is bent forward as shown by the solid line in FIG. 2 and the protruding member 24 is brought into contact with the upper surface 3a of the drafting board 3, the upper surface of the drafting board 3 is covered by the rear surface B of the upper panel 5a. Since the rear surface B can be used as a top plate, other operations can be performed on the same space.

At this time, since the projecting member 24 has a predetermined length, a space is formed between the upper surface 3a of the drawing board 3 and the front surface F of the upper panel 5a. The upper article 3a of the drafting board 3 is not crushed, for example, a parallel ruler, a document, a drawing, a pencil, etc.
Can be performed on the rear surface B without temporarily organizing the data. When returning to the operation on the drawing board 3, the panel 5 may be erected and the panel 5 may be lowered via the operation lever 23.

At this time, the lower panel 5b is in the locked state with the locking rod 19 fitted in the locking recess 17 of the lowermost locking piece 18, so that the lower panel 5b is bent during the bending operation of the upper panel 5a. Does not fall and the upper panel 5a is prevented from being sharply bent by the damper hinge 10, so that the upper panel 5a can be bent securely and safely.

Therefore, in this embodiment, the panel 5 can be surely held at a desired position by the locking of the locking rods 19 with the locking recesses 17 provided at the left and right ends of the panel 5. I can do it. Further, the locking rod 19 is urged in the direction of the locking piece 18 by the spring 21, and the tapered surface 18 a is formed on the locking piece 18. Since the locking recess 17 is automatically locked, the locking is safe, and the locking can be easily released only by operating the operation lever 23 provided on the upper surface plate 9, so that the panel 5 can be securely and quickly held. It can be moved up and down and stopped freely.

Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and even if there are changes and additions without departing from the gist of the present invention. Included in the invention.

For example, the shapes of the locking rod 19 and the locking recess 17 can be variously changed, and the locking pieces 18,
The fixed positions and the numbers of 18 ′ and 18 ″ can be arbitrarily changed, and by changing the setting, the panel 5 can be held at a desired position.

The upper panel 5a and the lower panel 5b may be connected by a rotary damper.

[0026]

The present invention has the following effects.

(A) According to the first aspect of the present invention, the locking portions which can be locked in the plurality of locking grooves provided in the vertical direction of the panel are constantly urged in the locking groove direction. When the locking portion is locked in the locking groove, the panel is securely held at the predetermined height position. In addition, the locking between the locking portion and the locking groove can be easily released via the operating portion provided on the top surface of the top plate, so that the panel can be freely raised and lowered by a simple operation, or at a desired height position. Can be retained.

(B) According to the second aspect of the present invention, since the panel is urged upward by the force to wind around the winding roller, the user can easily lift the panel upward with a small force. As well as being able to be pulled out, the panel is prevented from falling sharply, and safety is improved.

(C) According to the third aspect of the present invention, the upper surface of the panel bent on the top plate can be used as another work top plate, and the bent portion of the panel moves up and down when bent. Since the panel is supported so as not to be supported, the panel can be easily bent.

[0030]

[Brief description of the drawings]

FIG. 1 is a perspective view showing a use state of a desk including a liftable panel as an embodiment of the present invention.

FIG. 2 is a partially cutaway side view of the desk of FIG.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a perspective view showing a structure of a guide rail of the panel.

FIG. 5A is a perspective view of a main part showing the operation of the locking device in a state where the panel is raised, and FIG. 5B is a perspective view of the locking device when the panel is bent from the state of FIG. It is a principal part perspective view which shows an effect | action.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 desk 2 top board 3 drafting board 3a upper surface 4 leg body 5 panel 5a upper panel 5b lower panel 6 drafting board 6a upper surface 7 back plate 8 partition plate 9 upper surface plate 10 damper hinge 11 slide rail 12 guide part 13 opening part 14 winding-up Roller 15 Winding spring 16 Constant load spring device 17 Locking concave portion (locking groove) 18-18 '' Locking piece 18a Tapered surface 19 Locking rod (locking portion) 20 Shaft 21 Spring 22 Slotted hole 23 Operating lever 24 Projection Member B Rear F Front S Storage section

Claims (3)

[Claims] 1. A desk provided with a vertical panel on a side portion of a desk, the vertical panel being movable up and down in a vertical direction, the vertical panel being separated from the vertical panel. And a plurality of locking grooves are provided on the desk main body side, and a locking portion capable of being engaged with and disengaged from the locking grooves is provided so as to always urge in the locking groove direction. A desk provided with an elevating panel, wherein an operation portion for releasing the locking between the locking groove and the locking portion is provided at a predetermined location on the upper surface. 2. A winding roller fixed to a storage portion of the panel, a winding roller fixed to the panel, and one end fixed to a lower end of the panel.
The desk provided with the liftable panel according to claim 1, further comprising a constant load spring device including a winding spring having the other end fixed to the winding roller. 3. The panel is bent so that at least a part of the panel overlaps with the upper surface of the top plate when the locking groove provided at the lowermost portion of the panel and the locking portion are locked. Item 3. A desk comprising the lifting panel according to item 1 or 2.