JP2007075215A - Studying desk with outlet box - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a studying desk with an outlet box having simple structure for manufacturing at low cost, which allows increased degree of freedom for utilization of the top of the desk, good appearance and usability by freely changing mounting positions of the outlet box in a right and left direction when a layout of articles placed on the desk is changed or the like. <P>SOLUTION: An upper shelf device B is provided in a rear upper face of a top plate 1 of the studying desk. The upper shelf device B has shelf boards 8 parallel with the top plate 1 and a back plate 6 provided in the right and left direction so as to cover the rear of a space S formed between the upper face of the top plate 1 and the shelf boards 8. The outlet box 25, which has outlets 29 and 29 on a front face and arranged inside the space S, is mounted on a front face of the back plate 6 so that the mounting positions are changed in the right and left directions. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a learning desk with an outlet box.

In recent years, learning desks are often learning by placing a personal computer or other information equipment or electrical equipment on a top board. In connection with this, outlet boxes having a plurality of outlets are actively provided on the top of the learning desk.
In a conventional learning desk, an outlet box is provided on the inner surface of the side plate in the upper shelf device provided on the top surface of the top plate, on the side surface of the intermediate partition plate (see, for example, Patent Documents 1 and 2), or on the shelf in the upper shelf device. There are those mounted on the lower surface of the plate (for example, see Patent Document 3).
JP 2004-336829 A JP 2000-295746 A JP-A-8-45619

  However, in all of the documents described in Patent Documents 1 to 3, since the outlet box is fixed to a part of the upper shelf device, the layout of the personal computer or other desktop objects placed on the top plate When it is changed, there is a problem in that the degree of freedom of use on the desk is limited because it becomes unusable, becomes an obstacle when accommodating articles, or narrows the accommodation space.

  In view of the above-mentioned problems of the conventional technology, the present invention allows the attachment position in the left-right direction of the outlet box to be freely changed in accordance with the change of the layout of the table-mounted object, etc. The purpose of the present invention is to provide a learning desk with an outlet box that can increase the degree of freedom of use on the desk, has good appearance and convenience, is simple in structure, and can be manufactured at low cost.

According to the present invention, the above problem is solved as follows.
(1) An upper shelf device having a shelf plate parallel to the top plate and a back plate facing in the left-right direction covering the back of the space between the top plate and the shelf plate is provided on the rear upper surface of the top plate. At a learning desk
An outlet box disposed in the space and provided with an outlet port on the front surface is mounted on the front surface of the rear plate so that the mounting position can be changed in the left-right direction.

  (2) In the above paragraph (1), the rear end of the partition plate that partitions the space between the top surface of the top plate and the shelf plate in the left-right direction is mounted on the front surface of the back plate so that the mounting position can be changed in the left-right direction. To do.

  (3) In the above item (1) or (2), the back plate is provided with a long hole facing in the left-right direction, and the upward and downward engaging pieces that engage with the upper and lower edges of the long hole on the rear surface of the back plate. The intermediate portion of the backing material is fitted into the long hole so as to be slidable in the left-right direction from the rear, and screwed to the rear surface of the outlet box.

  (4) In the above item (3), the upward hook-like locking piece provided at the rear end of the partition plate that partitions the space between the top surface of the top plate and the shelf plate in the left-right direction is longer than the front of the back plate. The partition plate is inserted into the back plate and left and right by engaging the upper edge of the long hole in the rear surface of the back plate and bringing the lower end of the partition plate into contact with the front surface of the back plate. It is mounted so that the mounting position can be changed in the direction.

  (5) In the above item (4), between the rear surface of the partition plate and the locking piece, there is provided an engagement frame piece that faces the left-right direction in an upward U-shape when the rear piece is higher than the front piece, This is engaged with the upper edge of the long hole from below.

  (6) In any of the above items (1) to (5), an outlet port is also provided on the upper surface of the outlet box.

  (7) In any one of the above items (1) to (6), a main power switch for controlling power supply to an illumination lamp disposed on a desk is provided in the outlet box.

  (8) In any one of the above items (1) to (7), a breaker is provided in the outlet box to detect that the current flowing in the outlet box has exceeded a predetermined set value and stop power feeding.

According to the present invention, the following effects can be achieved.
According to the first aspect of the present invention, the outlet box provided with the outlet port on the front surface is mounted on the front surface of the back plate so that the mounting position can be changed in the left-right direction. Thus, the mounting position of the outlet box can be freely changed in the left-right direction, and the degree of freedom of use on the desk can be increased.
In addition, since the outlet box is disposed in the space between the top surface of the top board and the shelf board, it has a good appearance and does not become an obstacle such as a table placed object or writing.

  According to the invention of claim 2, since the partition plate that partitions the space between the top surface of the top plate and the shelf plate in the left-right direction is also mounted on the front surface of the back plate so that the mounting position can be changed in the left-right direction. The position of the partition plate can be changed in accordance with the change in the position of the outlet box in the left-right direction, and the layout on the desk can be easily used.

  According to the invention described in claim 3, the outlet box can be easily moved to an arbitrary position in the left-right direction along the long hole provided in the back plate, and the backing material has a simple structure. Can be manufactured inexpensively.

  According to the fourth aspect of the present invention, it is possible to guide the movement of the partition plate in the left-right direction by using the long hole for guiding the movement of the outlet box in the left-right direction.

  According to the fifth aspect of the present invention, the engagement frame piece is formed between the rear surface of the partition plate and the locking piece, and the rear piece is higher than the front piece. Is engaged with the upper edge of the long hole from below, the partition plate can be firmly engaged with the back plate without wobbling in the left-right direction.

  According to the sixth aspect of the present invention, since the outlet port is also provided on the upper surface of the outlet box, a plug of a power feeding cord such as a desk lighting device can be connected inconspicuously.

  According to the seventh aspect of the present invention, since the main power switch for controlling the power supply to the illuminating lamp arranged on the desk is provided in the outlet box, when the illuminating lamp is not used for a long time, the main power switch is Safety can be secured by cutting.

  According to the invention described in claim 8, since the breaker for detecting that the current flowing through the outlet box exceeds a predetermined set value and stopping the power feeding is provided in the outlet box, the safety is improved. Can do.

An embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in FIG. 1, this learning desk has a desk top (A) in which a horizontal top board (1) is supported by a sleeve box (2), side legs (3) and a back board (not shown). And an upper shelf device (B) provided on the rear upper surface of the top plate (1).

  As shown in FIGS. 1 to 3, the upper shelf device (B) includes a pair of left and right side plates (4) and (4) erected on both sides of the rear portion of the top plate (1), and both side plates (4) and (4). ) The left and right ends are fixed to the rear end, and the upper and lower two-stage back plates (5), (6), both side plates (4), (4) and the back plate (1) 5) Two horizontal upper and lower horizontal shelves supported by (6) (7), (8) and (8) (the lower one is divided into left and right) and the center of the upper shelf (7) So that the rear end is fixed between the fixed partition plate (9) fixed to the front surface of the upper back plate (5) and the lower left and right shelf plates (8) (8). A fixed partition plate (10) having a rear end fixed to the front surface of the lower back plate (6) so as to stand up from the rear center of the top plate (1) is provided as a basic structure.

In the center of the front of the lower back plate (6), the lighting column (11) is fastened to the back plate (6) together with the fixed partition plate (10) with two fixing screws (12) and (12). In addition, a single fixing screw (13) is screwed to the back plate (6) alone.
An illumination support arm (14) facing forward is provided at the upper end of the illumination column (11), and the illumination lamp holder (15) can be moved back and forth within the required range at the front of the illumination support arm (14). It is installed.

The illuminating lamp holder (15) includes an illuminating lamp (16) comprising a plurality of fluorescent lamps facing left and right, a shade (17) covering the upper and front sides, a changeover switch (18), and a remote controller (19 And a receiver (20) for receiving a signal emitted from the receiver.
Thus, the illuminating lamp that illuminates the top surface of the top panel (1) by the lower back panel (6), the illumination column (11), the illumination support arm (14), the illumination lamp holder (15), etc. in the upper shelf device (B) Illumination lamp support means (21) for supporting (16) at a required height from the upper surface of the top plate (1) is formed.

  The changeover switch (18) is provided at the front of the illumination lamp holder (15) behind the illumination lamp (16) and below the illumination lamp (16) so as to face the front and lower direction, and according to a signal from the remote controller (19). Remote control standby position (remote control mode) (R) that enables on / off switching control of the illumination lamp (16), and manual lighting position for manually lighting the illumination lamp (16) in an energy saving state (for example, 21 W) ( Manual operation mode (M1) and manual lighting position (manual operation mode) (M2) for lighting the illumination lamp (16) with maximum illuminance (for example, 32 W) can be switched to three positions.

In this example, the remote control standby position (R) of the changeover switch (18) is set to be a manual operation OFF position.
The manual lighting position (manual operation mode) (M1) (M2) can be switched to more than 3 positions when the illumination intensity of the illumination lamp (16) can be switched to more than 3 levels. When the changeover switch (18) is stopped at any one of the three positions, the illuminating lamp (16) can be lit at the designated illuminance.

  In this example, the remote controller (19) includes an on / off switching button (19a) and an illuminance switching button (19b) as shown in FIGS. 1 and 6, and each button (19a) (19b) Each time is pressed, infrared rays having different wavelengths are emitted from the infrared light emitting section (19c).

  The receiver (20) includes a light receiving element (20a) that receives only one of two types of infrared rays having different wavelengths emitted from the remote controller (19), and a light receiving element (20b) that receives only the other. These are attached to the lower surface of the central portion of the front end of the shade (17) covering the front upper part of the illuminating lamp (16) so that they face the front lower side.

A portion slightly above the lower end of the lower back plate (6) and a portion slightly above the lower shelf plate (8) face the left and right directions separated from each other at the center of the back plate (6). There are provided an equal number of elongated holes (22) and (22) and one elongated hole (23) continuous in the left-right direction over almost the entire width of the back plate (6).
In addition, in the upper back plate (5), a portion of the upper plate (7) slightly above the upper shelf plate (7) is provided with one continuous long hole (24) in the left-right direction over almost the entire width of the back plate (6). It has been.

In the space (S) between the rear upper surface of the top plate (1) and the lowermost shelf plate (8) in the upper shelf device (B), there is an outlet box on the front surface of the rear plate (6) covering the rear side. (25) is mounted so that the mounting position can be changed in the left-right direction.
Specifically, as shown in FIG. 4, it has upward and downward engaging pieces (26a) and (26b) that engage with the upper and lower edges of the lower right slot (22) on the rear surface of the back plate (6). The middle part (26c) of the U-shaped side view of the backing material (26) is fitted into the elongated hole (22) so as to be slidable in the left-right direction from the rear, and on the rear surface of the outlet box (25), By fixing with the fixing screw (27), the outlet box (25) is mounted on the back plate (6) so as to be movable in the left-right direction along the long hole (22).

If the outlet box (25) is fastened to the back plate (6) by screwing the fixing screw (27) into the outlet box (25), the mounting position of the outlet box (25) is changed. Only when it is desired to loosen, if the fixing screw (27) is slightly loosened, the outlet box (25) can be moved in the left-right direction with light force.
When the intermediate part (26c) of the backing material (26) is fastened to the rear surface of the outlet box (25) with the fixing screw (27), the rear surface of the outlet box (25) and the backing material (26 If the distance between the upper and lower engaging pieces (26a) and (26b) is slightly larger than the thickness of the rear plate (6), the outlet box (25) is always attached. It can be moved left and right with light force.

  On the front of the outlet box (25) are a main power switch (28) for turning on / off the power supply to the lighting lamp (16), a plurality of outlets (29) (29), and an outlet box (25). There is provided a breaker (30) for detecting that the current flowing through exceeds a predetermined set value and stopping power feeding.

  At the rear of the top surface of the outlet box (25), a recessed step (25a) is provided, which includes an outlet port (32) for connecting the power plug (31) of the illuminating lamp (16), and an outlet. An outlet port (34) for connecting a power supply cord (33) to the box (25) itself is provided.

The wiring relationship of these electric devices is as schematically shown in FIG.
As apparent from FIG. 6, the breaker (30) is provided on the power source side from the branch point between the main power switch (28) and the plurality of outlets (29) (29), and the main power switch (28) When the sum of the current values flowing through the outlets (29) and (29) exceeds the set value, the power supply to them is all stopped.

  The main power switch (28) is connected to the changeover switch (18) through a power supply plug (31) connected to the outlet port (32), and the changeover switch (18) is connected to the path through the receiver (20). The transformer is connected to a transformer (not shown) or the like built in the illumination lamp holder (15) through a direct path.

If the changeover switch (18) is set at any of the manual lighting positions (M1) and (M2) with the main power switch (28) turned on, the illuminance (for example, 21 W or The illumination lamp (16) can be turned on at 32W). At that time, the state does not change no matter how the remote controller (19) is operated.
When the changeover switch (18) is switched to the remote control standby position (R) from that state, the illumination lamp (16) is turned off.
After that, press the on / off switch button (19a) on the remote controller (19) once to turn on the illuminator (16) .Turn it twice to turn off the illuminator (16). On and off are repeated alternately.

The initial illuminance when the illumination lamp (16) is turned on by the operation of the remote controller (19) is predetermined.
Every time the illuminance switch button (19b) of the remote controller (19) is pressed once while the illuminator (16) is lit by the operation of the remote controller (19), the illuminance of the illuminator (16) , From light to dark and from dark to light are repeated alternately.

As shown in FIGS. 2 and 5, a space (S) below the left shelf board (8) is provided at the rear end of a movable partition plate (35) that partitions the space (S) in the left-right direction. An upward hook-like locking piece (36) is inserted into the long hole (22) on the lower left side from the front of the back plate (6), and is engaged with the upper edge of the long hole (22) on the rear surface of the back plate (6). At the same time, the lower part of the rear end of the movable partition plate (35) is brought into contact with the front surface of the rear plate (6), so that the movable partition plate (35) is attached to the rear plate (6) in the left-right direction. It is installed as changeable.
In this example, the rear piece (37a) is higher than the front piece (37b) between the rear surface of the movable partition plate (35) and the locking piece (36), and faces the left-right direction in an upward U shape. By providing an engagement frame piece (37) and engaging it with the upper edge of the long hole (22) from below, the movable partition plate (35) can be attached to the back plate (6) without wobbling in the left-right direction. It can be firmly engaged.

  As shown by an imaginary line in FIG. 5, the movable partition plate (35) has the locking piece (36) and the engagement frame piece (37) inserted into the long hole (22) from the front in a state where it is inclined forward and upward. The back plate (6) is inserted by engaging the locking piece (36) and the engaging frame piece (37) with the upper edge of the long hole (22) while inserting and then rotating the front part downward. Can be easily mounted at any position in the left-right direction of the long hole (22), and can be easily removed in the reverse manner to the above.

In the example shown in FIG. 2, two movable partition plates (35) and (35) are installed in the left slot (22), and three slots (23) directly above the lower shelf (8) are installed. Equipped with one movable partition plate (35) (35) (35), and two movable partition plates (35) (35) in the slot (24) directly above the upper shelf plate (7) It is. However, the layout can be changed freely, and when the outlet box (25) is replaced with the left slot (22), it can be replaced with the right slot (22). Good.
In addition, the outlet box (25) can be removed by removing the backing material (26) once, so that not only the left slot (22) but also the slot (23) directly above the lower shelf (8), It can be replaced at any position in the long hole (24) directly above the upper shelf (7).

  In this example, a pair of left and right small drawers (38) and (38) are provided on the lower surface of the lower right shelf board (8), and the outlet box (25) is connected to the lower surface of the small drawer (38). The height is such that it does not interfere with.

  In this embodiment, when the changeover switch (18) is set to the remote control standby position (R), the illumination lamp (16) can be turned on / off by the remote controller (19), so even a child can easily perform the illumination lamp ( 16) Not only can be turned on and off, but the work space on the top surface of the top plate (1) is not narrowed, and there is no risk of accidentally pressing an operation switch during learning.

In addition, when a child pranks the remote controller (19) and turns the lamp (16) on and off, the guardian sets the changeover switch (18) to the manual lighting position (M1) (M2). By switching to either or turning off the main power switch (28), the lighting (16) cannot be turned on / off by the remote controller (19), and the lighting can be turned on / off only by manual operation. Can do. At this time, the changeover switch (18) is disposed in the vicinity of the illumination lamp (16), and the main power switch (28) in the outlet box (25) is also recessed in the top plate (1). Because it is arranged, it is difficult for children to reach and there is little risk of them being tampered with.
Therefore, even when the child is the original user, the guardian can manage the lighting and extinguishing of the illumination lamp (16) to some extent, and the operability at that time is also good.

Furthermore, in this embodiment, the following effects can be achieved.
(a) Since the outlet box (25) provided with outlets (29) and (29) on the front is mounted on the front of the back plate (6) so that the mounting position can be changed in the left-right direction, Accompanying the layout change, the mounting position of the outlet box (25) can be freely changed in the left-right direction, and the degree of freedom of use on the desk can be increased.
Moreover, since the outlet box (25) is disposed on the front surface of the back plate (6) in the space (S) between the top surface of the top plate (1) and the shelf plate (8), the appearance is good. , It will not be a hindrance to writing on the desk or writing.

(b) The movable partition plate (35) that partitions the space (S) between the top surface of the top plate (1) and the shelf plate (8) in the left-right direction is also attached to the front surface of the back plate (6) in the left-right direction. Since the position can be changed, the layout of the partition plate (35) can be changed in accordance with the change of the position of the outlet box (25) in the left-right direction, and the layout on the desk can be easily used.

(c) The outlet box (25) can be easily moved to any position in the left-right direction along the long hole (22) provided in the back plate (6), and the backing material (26) Has a simple structure and can be manufactured at low cost.

(d) It is advantageous because the slot plate (35) can be guided in the horizontal direction by utilizing the long hole (22) for guiding the horizontal direction of the outlet box (25). .

(e) Engagement between the rear surface of the partition plate (35) and the locking piece (36) with the rear piece (37a) being higher than the front piece (37b) and facing upward in the U-shape Since the frame piece (37) is provided and engaged with the upper edge of the long hole (22) from below, the movable partition plate (35) is firmly engaged with the back plate (6) without wobbling in the left-right direction. Can be combined.

(f) Since the outlet port (32) is also provided on the upper surface of the outlet box (25), the plug (31) of a power supply cord such as a desk lighting device can be connected inconspicuously. it can.

(g) Since the main power switch (28) that controls power supply to the lamp (16) installed on the desk is provided in the outlet box (25), if the lamp (16) is not used for a long time By turning off the main power switch (28), safety can be ensured.

(h) Since the breaker (30) for detecting that the current flowing in the outlet box (25) has exceeded a preset value and stopping the power supply is provided in the outlet box (25), safety is improved. Can do.

The preferred embodiments of the present invention have been described above. However, the present invention can be variously modified and changed without departing from the scope of the claims.
For example, in the upper shelf device (B), the left and right sides covering the rear side of the shelf (8) parallel to the top plate (1) and the space (S) between the top surface of the top plate (1) and the shelf plate (8). All components other than the back plate (6) facing the direction can be omitted.

It is a perspective view which abbreviate | omits and shows a part of one Embodiment of this invention. Similarly, it is a front view of an upper shelf apparatus. FIG. 3 is an enlarged longitudinal side view along III-III in FIG. 2. It is an expansion vertical side view of the IV section of FIG. FIG. 5 is an enlarged longitudinal sectional side view taken along line VV in FIG. 2. It is a wiring diagram which shows an electric system typically.

Explanation of symbols

(A) Desk body
(B) Upper shelf device
(R) Remote control standby position (remote control mode)
(M1) (M2) Manual lighting position (manual operation mode)
(S) Space
(1) Top plate
(2) Sleeve box
(3) Side legs
(4) Side plate
(5) (6) Back plate
(7) (8) Shelf board
(9) (10) Fixed partition plate
(11) Lighting support
(12) (13) Fixing screw
(14) Lighting support arm
(15) Lighting lamp holder
(16) Lighting
(17) Shade
(18) Changeover switch
(19) Remote controller
(19a) On / off switch button
(19b) Illuminance switch button
(19c) Infrared emitter
(20) Receiver
(20a) (20b) Light receiving element
(21) Lighting lamp support means
(22) (23) (24) Long hole
(25) Outlet box
(25a) Recessed step
(26) Backing material
(26a) Upward engagement piece
(26b) Downward engagement piece
(26c) Intermediate part
(27) Fixing screw
(28) Main power switch
(29) Outlet
(30) Breaker
(31) Power plug
(32) Outlet
(33) Feeding cord
(34) Outlet
(35) Movable partition plate
(36) Locking piece
(37) Engagement frame piece
(37a) Rear piece
(37b) Front piece
(38) Small drawer

Claims (8)

A learning desk provided with an upper shelf device having a shelf plate parallel to the top plate on the rear upper surface of the top plate and a back plate facing in the left-right direction covering the back of the space between the upper surface of the top plate and the shelf plate. In
A learning desk with an outlet box, wherein an outlet box disposed in the space and provided with an outlet port on the front surface is mounted on the front surface of the back plate so that the mounting position can be changed in the left-right direction.   The learning with an outlet box according to claim 1, wherein the rear end of the partition plate that partitions the space between the top surface of the top plate and the shelf plate in the left-right direction is mounted on the front surface of the back plate so that the mounting position can be changed in the left-right direction. desk.   The back plate is provided with a long hole facing in the left-right direction, and an intermediate portion of the backing material having upward and downward engaging pieces that engage with the upper and lower edges of the long hole on the rear surface of the back plate is located behind the long hole. The learning desk with an outlet box according to claim 1, wherein the learning desk is fitted so as to be slidable in the left-right direction and screwed to the rear surface of the outlet box.   An upward hook-shaped locking piece provided at the rear end of the partition plate that partitions the space between the top surface of the top plate and the shelf plate in the left-right direction is inserted into the long hole from the front of the back plate, and the rear surface of the back plate The partition plate is mounted on the back plate so that the mounting position can be changed in the left-right direction by engaging the upper edge of the long hole in the plate and bringing the lower end of the partition plate into contact with the front surface of the back plate. Item 3. Learning desk with outlet box.   Between the rear face of the partition plate and the locking piece, an engagement frame piece facing in the left-right direction with the rear piece higher than the front piece is provided, and this is attached to the upper edge of the slot from below. The learning desk with an outlet box according to claim 4 engaged.   The learning desk with an outlet box according to any one of claims 1 to 5, wherein an outlet port is also provided on an upper surface of the outlet box.   The learning desk with an outlet box according to any one of claims 1 to 6, wherein the outlet box is provided with a main power switch for controlling power feeding to an illumination lamp disposed on the desk. The learning desk with an outlet box according to any one of claims 1 to 7, wherein a breaker is provided in the outlet box to detect that the current flowing through the outlet box exceeds a predetermined set value and stop power feeding.

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