JP2555572Y2 - Classroom desk - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a desk used in a classroom of a school.

[0002]

2. Description of the Related Art Conventionally, how to use OA equipment, or OA
At the time of class using equipment, students are gathered in a special classroom with permanent OA equipment to conduct classes, and after the end of the class, they will not be able to enter the room unless there is a special case, theft of OA equipment,
Damage was prevented.

[0003] However, in recent years, with the development and spread of OA equipment, usage of OA equipment or lessons using OA equipment have been frequently carried out even in non-vocational schools, and lessons can be conducted only in special classrooms. Is gone.

[0004] That is, with the spread of small and portable laptop computers which can be easily used on a desk, general classrooms have been used as conventional special classrooms. When a computer is placed on a desk, the position of the keyboard rises, which makes it inconvenient to use, and because of the theft or damage, the computer cannot be left on the desk.
Or there was a problem that had to be cleared up.

[0005]

[Problem to be solved by the invention] The purpose of the invention is to solve the above-mentioned problems, and to provide a classroom desk that is excellent in usability, has no fear of theft or damage, and does not require a personal computer every time. The task is to provide.

[0006]

Means for solving the problems A top plate section having a personal computer storage section is constituted by a top cover and a bottom plate, and the top cover is connected to the rear of the desk main body so as to be vertically rotatable and rotatable upward. On the lower surface of the rear end of the bottom plate, a horizontal wiring duct is provided in the left-right direction, and a vertical wiring duct is formed below a cord insertion portion formed at the left and right ends of the horizontal wiring duct, and the bottom plate is formed on the bottom plate. A cord insertion hole is formed, and an electromagnetic lock device is provided at the front end of the bottom plate and the lower end of the hanging piece. When the personal computer is not used, the top cover is used as a top plate with the top cover closed and locked.

[0007]

According to the above means, when the personal computer is not used, the personal computer is stored in the top panel and locked. When a personal computer is used, the upper lid is turned upward and stored in the rear part of the desk main body. Wiring for the personal computer and the electromagnetic lock is performed through a vertical wiring duct, a horizontal wiring duct, a cord insertion portion, and a code insertion hole.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 2, the desk for classroom of the present invention has a top plate 1 and
The desk body 2 is located below the top plate 1. The top plate 1 is provided between the left and right side plates 11, 11 and the bottom plate 3 disposed between the left and right side plates 11, and between the left and right side plates 11, 11. A partition plate 13 for partitioning at intervals, and the upper lid 4 rotatably disposed between the partition plates 13 and 13 and between the partition plate 13 and the left and right side plates 11.
.. And a rear plate 14 disposed between the rear ends of the left and right side plates 13, 13.

The desk main body 2 includes L-shaped legs 5, 5 disposed on the lower surfaces of the left and right side plates 11, 11, and a rear curtain plate 51 disposed between the rear ends of the legs 5, 5. And a front curtain plate 52 arranged in front of the rear curtain plate 51 at a predetermined interval. A horizontal duct 6 is provided below the bottom plate 3 on the upper rear surface of the front curtain plate 52, and is positioned on the inner surface of the legs 5, 5 below the left and right ends of the horizontal wiring gact 6, and is provided with a vertical wiring duct 7
Is provided.

The upper lid 4 has a hanging piece 4 projecting downward at the front end.
The rear end protrudes rearward of the rear end of the bottom plate 3, and the left and right ends are connected to the rail connecting plate 8 via hinges 42, 42, and are supported to be rotatable upward.

The rail connecting plate 8 is formed in a plate shape, and its left and right ends are connected to a slide device 9 disposed on the rear plate 14 and the rear curtain plate 51 via a connecting metal member 81. A spring 82 is attached. One end of the constant load spring 82 is connected to the bottom plate 3.

The slide device 9 includes a rear plate 14 and a rear curtain plate 5.
C-shaped outer member 9 with cross section fixed to 1
1 and an inner member 94 slidably held by an outer member 91 via a ball 93 held by a retainer 92. The rail connecting plate 8 is connected to the inner member 94 via a connecting metal member 81. 94.

That is, after the upper lid 4 rotates upward, it moves downward against the constant load spring 82 and can be stored on the front surface of the rear curtain plate 51. At this time, the constant load spring 82 is
To prevent sudden fall and assist when it is lifted up.

The bottom plate 3 has a front wall 31 projecting upward at the front end.
And a rear wall 32 protruding upward at the rear end, and a mounting recess 33 such as a personal computer is formed therein. When the upper lid 4 is closed, the lower end of the hanging piece 41 and the upper surface of the front wall 31 The rear surface of the rear end of the upper lid 4 is in contact with the upper end of the rear wall 32, and a storage space for a personal computer or the like is formed inside. When the personal computer is used, the upper lid 4 is opened and used, and when the personal computer is not used. The upper lid 4 is closed, and the upper surface is used as a work surface. An electromagnetic lock 35 is provided between the upper lid 4 and the bottom plate 3, and the upper lid 4 is locked when the personal computer is not used.

As shown in FIG. 6, the electromagnetic lock 35 has a locking rod 351 protruding downward at the center rear surface of the hanging part 41 of the upper lid 4 and a latch rod 352 provided at the upper end of the central part of the front wall 31. And the latch rod 352
It is rotatable in the direction of the dashed line, and the latch rod 352 is not rotatable when no power is supplied.

That is, at the time of a class using a personal computer in the state of FIG. 6, the electromagnetic locks 35... Of all desks in the classroom are turned on, the upper lid 4 is opened, and the desks are stored in the rear part of the desk body 2. The personal computer can be used as shown by a two-dot chain line in FIG. When the upper cover 4 is opened, the latching rod 352 rotates in the direction shown by the two-dot chain line with the upward movement of the locking rod 351, and returns to the original state after passing through the latching rod 352.
When the upper cover 4 is closed, the locking rod 351 is moved backward by the latch rod 352 and then returns to the original state, so that the latch rod 352 and the locking rod 351 are engaged.

On the other hand, in classes other than the class using the personal computer, the electromagnetic locks 35... Of all desks in the classroom are not energized, the latch rod 352 and the locking rod 351 are maintained in engagement, and the upper lid 4 is opened. This prevents the personal computer from being stolen or damaged, and the upper surface of the upper cover 4 is used as a work surface.
At this time, by setting the upper surface of the upper lid 4 at a height suitable for the work, the mounting position of the personal computer becomes lower.
This makes it very easy to operate the keyboard, and provides a work surface suitable for both personal computer operation and normal work.

Next, a wiring structure for the personal computer and the electromagnetic lock 35 will be described. The horizontal wiring duct 6 is located below the rear end of the bottom plate 3 on the upper rear surface of the front curtain plate 52, has an upper surface opened, and has a cord insertion portion 6 on the lower surface of the left and right ends.
1, 61 are formed. A code insertion hole 331 for a personal computer and a code insertion hole 332 for an electromagnetic lock 35 are formed in the bottom plate 3 where the horizontal wiring duct 6 is located, at positions below the left and right ends of the upper lids 4. ing.

The vertical wiring duct 7 has a base 71 having a U-shaped cross section attached to the inner surfaces of the legs 5, 5 at positions below the left and right ends of the horizontal wiring duct 6 and at positions where the cord insertion portions 61, 61 face upward. Cover body 7 detachably attached to the opening side of
2 is comprised.

That is, the cords rising from the floor surface are guided from the vertical wiring ducts 7 through the cord insertion portions 61 into the horizontal wiring ducts, and are respectively inserted from the respective cord through holes 332 and the code through holes 331 into the personal computers and the like. It is wired to the electromagnetic lock 35, guided to the vertical wiring duct 7 from the cord insertion part 61 at the end opposite to the horizontal wiring duct 6, and again from the floor (below the carpet or under floor) to another desk one after another. It will be wired.

[0021]

As described above, in the invention of the present application, a hanging piece protruding downward is formed at the tip of the upper lid, so that when the upper lid is closed, a space is formed between the upper lid and the PC mounting portion of the bottom plate, Because a personal computer can be stored in this space, a personal computer can be permanently installed and used regardless of the class subject. By setting the height of the upper cover to a height suitable for work, the position of the PC is lower than this, the keyboard is very easy to operate, and it can be used for PC operation and for normal work. Also, it is possible to obtain a suitable top plate height position. In addition, since the upper lid is connected to the rail connecting plate via hinges and the rail connecting plate is connected to the slide device of the desk main body, it can be stored in the rear part of the desk main body after opening, which hinders the operation of the personal computer. Things do not block the prospects and hinder the class. In addition, since the horizontal wiring duct is provided on the lower surface at the rear of the bottom plate, the vertical wiring duct is provided on the inner surface of the leg below the left and right ends of the horizontal wiring duct, and the code insertion part is formed in the bottom plate with the code insertion part in the horizontal wiring duct Also, the wiring cord is not exposed and does not get in the way.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a main part of the present invention.

FIG. 2 is a perspective view of the present invention.

FIG. 3 is a partial front view of the present invention.

FIG. 4 is a partial plan view of the present invention.

FIG. 5 is a sectional view of a main part of a slide device portion

FIG. 6 is a sectional view of a main part of an electromagnetic device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Top plate part 2 Desk body part 3 Bottom plate 33 Mounting recessed part 4 Top lid 42 Butterfly board 5 Leg 6 Horizontal wiring duct 61 Cord insertion part 7 Vertical wiring duct 8 Connecting plate 9 Slide device

Claims (1)

(57) [Scope of request for utility model registration] 1. A top plate having a personal computer housing inside is constituted by an upper lid having a hanging piece projecting downward at a tip thereof, and a bottom plate having a mounting recess of a personal computer. A rail connecting plate connected to the provided slide device is connected to the rear of the desk main body so as to be rotatable upward through a hinge so as to be vertically stowable, and a horizontal surface is provided on the lower surface of the rear end of the bottom plate. A wiring duct is provided in the left and right direction, a vertical wiring duct is formed below a code insertion portion formed at the left and right ends of the horizontal wiring duct, a code insertion hole is formed in the bottom plate, and a bottom plate front end and a hanging A classroom desk characterized by an electromagnetic lock device at one end and a top plate used as a top plate with the top cover closed and locked when not using a personal computer.