JP3783119B2 - Electrical outlet device for furniture - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electrical outlet device in furniture or the like, and more particularly to an electrical outlet device in which the position of an outlet can be adjusted while being attached to a flat plate such as furniture.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, for example, in a learning desk, an OA desk, and the like, an additional function unit constituting a book shelf or the like is detachably mounted on a desk top plate, and an electrical outlet device is attached to the additional function unit.
[0003]
The electric outlet device is an electric outlet for supplying electric power to a lighting fixture provided in the additional function unit, and an arbitrary electric power source for supplying electric power to an electric device such as a pencil sharpener or a personal computer used arbitrarily on a desk. It has outlets and has a power cord connected to these outlets.
[0004]
[Problems to be solved by the invention]
Since the conventional electrical outlet device is fixedly integrated with the above-mentioned additional function unit, when the user removes the additional function unit from the desk without needing it, there is no outlet on the desk. For this reason, when a power source is required, a power cord with a commercially available outlet must be used. However, since the outlet cannot be placed on the desk, it is not convenient.
[0005]
In this regard, the present inventors separated the independent electrical outlet device from the additional function unit, and removed the additional functional unit from the desk if the electrical outlet device can be detachably attached to the top plate of the desk. Even at times, I found out that it is convenient because the outlet placed on the desk can be used arbitrarily.
[0006]
However, when attaching such an independent electrical outlet device to the top plate of the desk, since it is generally configured to be attached to the rear end of the top plate, the distance from the user seated on the chair to the outlet is far, It becomes inconvenient.
[0007]
In addition, if the additional function unit is placed on the desk with the electrical outlet device attached to the rear end of the top plate, the electrical outlet device may be covered by the unit, and the outlet is less useful. Become.
[0008]
[Means for Solving the Problems]
The present invention provides an electrical outlet device in furniture and the like that solves the above problems, and is configured as a means for adding an additional function unit in which a pair of side plates (5) and (5) are connected by a back plate (6). (3) In furniture or the like that is detachably mounted on the top plate (2) of the desk , the additional function unit is located in the notch (11) formed in the back plate (6) of the additional function unit (3). An electrical outlet device (4) that is detachably attached to the rear end of the top plate (2) as a separate and independent configuration from (3),
The electrical outlet device (4) comprises a fixing member (12) that is detachably fixed to a top plate (2) of a desk, and an outlet box (13) that can be attached to the fixing member (12).
The fixing member (12) includes a clamp part (15) having an upper piece (15a) and a lower piece (15b) for fastening the top plate (2), and a connecting part (17 ) To form a bracket portion (16) for mounting and supporting the outlet box (13),
The bracket portion (16) is an outlet mounted and supported on the bracket portion (16) by deflecting the lower surface of the bracket portion (16) upward through bending of the connecting portion (17). A mat insertion space (S) is formed between the lower surface of the box (13) and the upper surface of the top plate (2), and the electric outlet device (4) is attached to the top plate (2). lies in comprising configured as the edge of the plate desk mat is laid in (2) (M) is inserted into the mat inserting space (S).
[0009]
The outlet box (13) includes a rear opening (28) for detachably inserting the bracket portion (16), and a notch window (33) on the bottom wall (32) of the outlet box (13). The rear opening (28) and the cutout window (33) are communicated, and when the bracket portion (16) is inserted into the outlet box (13) from the rear opening (28) , the connecting portion (17) is configured to enter the cutout window (33) .
[0010]
Said power distribution box (13), between the bracket portion (16) which is inserted detachably in the outlet box (13), and can change the attaching and fixing position of the outlet box (13) with respect to the insertion direction Position adjusting means (14) is provided, and the position adjusting means (14) is screwed onto the bolt (35) provided on either the bracket portion (16) or the outlet box (13). At the same time , a stepless advance / retreat means is constituted by a nut (34) provided on either the bracket part (16) or the outlet box (13) .
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
[0013]
FIG. 1A shows a configuration in which the additional function unit 3 is detachably mounted on the top 2 of the desk 1, and the electrical outlet device 4 is separated and independent from the additional function unit 3. The state which attached detachably is shown. Therefore, even when the user removes the additional function unit 3 from the desk 1 as unnecessary, the electrical outlet device 4 remains attached to the desk 1 and can always be used.
[0014]
The additional function unit 3 connects a pair of side plates 5 and 5 with a back plate 6, and a shelf plate 8 in which a lighting fixture 7 such as a fluorescent lamp is installed between the side plates 5 and 5, a box shelf 9 and a small shelf 10. Such article storage means is provided, and is detachably fixed by a mounting bracket (not shown) mounted on the top plate 2. At this time, a notch 11 is formed in the back plate 6 so as not to interfere with the electrical outlet device 4 attached to the top plate 2.
[0015]
By the way, there are various types of the top plate 2 of the desk 1, but the top plate 2 of the present invention has an edge portion capable of fastening a clamp portion 15 described later as shown in FIG. Therefore, in the embodiment described below, such a top plate is referred to as a “planar plate 2” .
[0016]
As shown in FIGS. 1B and 2, the electrical outlet device 4 includes a fixing member 12 that is detachably fixed to the flat plate 2, and an outlet box 13 that can be attached to the fixing member 12. Position adjusting means 14 is provided between the fixing member 12 and the outlet box 13 so that the mounting and fixing position of the outlet box 13 can be changed in the front-rear direction of the flat plate 2.
[0017]
The fixing member 12 is integrally provided with a clamp portion 15 having a substantially U-shaped cross section that is fastened to the flat plate 2 by bending a metal plate, and a bracket portion 16 for mounting and supporting the outlet box 13. By bending the connecting portion 17 formed between the clamp portion 15 and the bracket portion 16 so as to incline upward from the clamp portion 15, the bracket portion 16 is displaced upward from the clamp portion 15.
[0018]
The clamp portion 15 has a friction plate 18 made of an elastic plate such as a rubber plate fixed to the lower surface of the upper piece 15a, and clamp bolts 19 and 19 are screwed into the screw holes of the lower piece 15b. As shown in FIG. 4, after the flat plate 2 is inserted between the upper and lower pieces 15a and 15b, the clamp bolts 19 and 19 are screwed through the knob 19a to be fastened to the flat plate 2. At this time, the friction plate 18 is pressure-bonded to the surface of the flat plate 2 to form a slip stopper, and in this state, the bracket is formed by the cooperation of the thickness of the friction plate 18 and the inclined bending of the connecting portion 17. The portion 16 is displaced above the support surface 15 c with respect to the surface of the flat plate 2 in the clamp portion 15 including the friction plate 18, and is used for mat insertion between the lower surface of the bracket portion 16 and the upper surface of the flat plate 2. A space S is formed. Therefore, even in the embodiment in which the electrical outlet device 4 is attached to the desk 1 as shown in FIG. 1A, the edge of the desk mat M to be laid on the flat plate (top plate) 2 is the space S. Because it can be inserted into the inside, it fits well. In the case of the illustrated example, the mat insertion space S is formed by both the thickness of the friction plate 18 and the inclination of the continuous portion 17, but the bracket portion 16 is formed by only one of the friction plate 18 and the continuous portion 17. Alternatively, the mat insertion space S may be formed by deviating the lower surface of the mat from above the support surface 15c. When removing the fixing member 12 from the flat plate 2, the clamp bolts 19 and 19 may be loosened.
[0019]
The outlet box 13 includes a unit housing 20 and a moving member 21. In the case of the illustrated example, the unit housing 20 is formed in an inverted plate shape that opens at the bottom, and the moving side member 21 also serves as a lid member that closes the opening of the housing 20 through a bolt or the like. In addition, the configuration is not limited to such a configuration, and in short, the moving member 21 may be fixed to the unit housing 20 and constitute a part of the outlet box 13.
[0020]
The unit housing 20 incorporates all the electrical systems necessary for the function as the electrical outlet device 4. For example, as shown in FIG. The outlets 22a, 22b and 22c, the detachable fuse means 23, and the lighting switch 24 are arranged so that they face each other. On the back of the housing 20, as shown in FIG. A lighting outlet 25 to be turned ON / OFF is disposed and a power cord 26 is led out.
[0021]
Therefore, between the bracket portion 16 of the fixing member 12 and the moving side member 21 of the outlet box 13, the mounting and fixing position of the moving side member 21 with respect to the bracket portion 16 can be changed with respect to the front-rear direction of the flat plate 2. Further, a position adjusting means 14 is provided, and a slide mechanism 27 that allows the moving side member 21 to move with respect to the bracket portion 16 is configured by the position adjusting means 14.
[0022]
In order to configure the slide mechanism 27, as shown in FIGS. 5 and 7, wings 16a, 16a extending in a wide shape are formed on both sides of the bracket part 16, and the moving side member 21 has A rear opening 28 through which the bracket portion 16 is removably inserted, and a pair of guide ribs 29, 29 for slidably guiding side edges of the wing portions 16a, 16a of the inserted bracket portion 16; A guide wall 30 is provided between the pair of guide ribs 29, 29 to guide the bracket portion 16 slidably from above. The guide wall 30 has a substantially U-shaped cross section in the central portion of the guide wall 30 from the lower side to the upper side in the axial direction of the bolt so that bolts and nuts of the position adjusting means 14 described later can be accommodated. The groove portion 31 is formed by being recessed. Further, the bottom wall 32 of the movable member 21 is provided with a notched window 33 for guiding the connecting portion 17 and the upper piece 15 a continuous with the bracket portion 16, and the notched window 33 communicates with the rear opening 28. I'm hurt. That is, when the bracket portion 16 is inserted into the outlet box 13 from the rear opening 28, the connecting portion 17 enters the cutout window 33 (see FIG. 3).
[0023]
The position adjusting means 14 is rotatable to the moving member 21 in a state where it is screwed to the nut 34 provided in the bracket portion 16 of the fixing member 12 so as not to rotate and to move in the axial direction. It is comprised from the volt | bolt 35 provided so that an axial direction movement is impossible.
[0024]
As shown in FIG. 7, the fixing member 12 includes a small groove portion 37 that is concavely bent from an attachment portion of the nut 34 substantially at the center of the bracket portion 16 to a notch portion 36 formed at the front edge of the bracket portion 16, A pair of claw pieces 40 each having a large groove portion 39 that is concavely bent from a small groove portion 37 to a window hole 38 that is opened from the bracket portion 16 and the connecting portion 17, punched out from the bottom of the large groove portion 39, and stood up. , 40 and the nut 34 is clamped and fixed.
[0025]
The bolt 35 has a threaded shank 43 extending from a head 42 provided with a rotation drive portion 41 made of a groove or the like that can be engaged with a rotary tool such as a screwdriver, and a retaining ring at the tail end of the shank 43. Or a C-shaped portion provided with a retaining portion 44 formed by crushing the thread of the tail end portion, and fitted in a circumferential groove formed in the neck portion of the shank 43 at a predetermined interval from the head portion 42. Positioning means 46 comprising a ring or the like is provided. Correspondingly, the moving side member 21 is provided with a boss portion 47 in the front portion located on the extension line of the groove portion 31, and the head portion 42 of the bolt 35 is rotatably fitted inside the boss portion 47. A head housing portion 48 and a neck portion housing portion 49 that is narrower than the head housing portion 48 and into which the neck portion 45 of the bolt 35 is rotatably fitted are formed.
[0026]
When using the electrical outlet device 4 having the above configuration, the position adjustment means 14 is mounted after the outlet box 13 is configured by fixing the moving side member 21 with a bolt or the like and covering the lower opening of the unit housing 20. The bracket portion 16 of the fixing member 12 is connected to the moving side member 21 of the outlet box 1 via the intermediate portion. That is, first, with the retaining ring 44 of the bolt 35 removed, the threaded shank 43 is screwed into the nut 34 along the small groove portion 37 of the fixing member 12, and then the retaining portion 44 is attached to the tail end of the shank 43. As shown in FIG. 6, the bolt 35 is set on the fixing member 12.
[0027]
Next, the bracket portion 16 of the fixing member 12 is inserted into the moving side member 21 through the rear opening 28 together with the bolt 35. At this time, the wing portions 16 a and 16 a of the bracket portion 16 enter along the bottom wall 32 of the moving member 21 while being guided by the guide ribs 29 and 29. In addition, the connecting portion 17, enters the notch window 33. Further, the bolt 35 and the nut 34 enter the inside of the moving member 21 through the groove portion 31 of the guide wall 30.
[0028]
The moving member 21 is integrally formed of synthetic resin, and the guide wall 30 is configured to swing up and down with the opening edge of the back opening 28 as a hinge. After the insertion, the front edge of the bracket part 16 can be lifted slightly. Accordingly, when the front edge of the bracket portion 16 is lifted and further pushed down, the head portion 42 of the bolt 35 is fitted into the head housing portion 48 and the neck portion 45 is fitted into the neck portion housing portion 49 for movement. The connection between the side member 21 and the bracket portion 16 is completed.
[0029]
In this connected state, the rotation driving portion 41 of the bolt head portion 42 is exposed to the boss hole 47 a of the boss portion 47. Further, the head portion 42 and the positioning means 46 formed of a C-shaped ring are in a positional relationship sandwiching the neck portion accommodating portion 49, so that the bolt 35 is rotatable with respect to the moving side member 21, but the shaft It is set so that it cannot move.
[0030]
Since the fixing member 12 can detachably fasten the clamp portion 15 to the side edge of the flat plate 2 such as furniture as described above, the electrical outlet device 4 is provided on any side edge of the flat plate 2. Installed at the location of
[0031]
In the case of the desk 1 illustrated in FIG. 1A, the electrical outlet device 4 attached to the rear end of the flat plate (top plate) 2 is placed in an internal space such as the small shelf 10 of the additional function unit 3 mounted on the desk. It is located and is not easy to use. In addition, even when the additional function unit 3 is removed, if the depth dimension of the flat plate (top plate) 2 is large, the distance from the user seated on the chair to the outlet is far away and it is difficult to reach the hand. Absent. Therefore, in such a case, according to the configuration of the present invention, the mounting fixing position of the outlet box 13 can be moved to the front of the flat plate 2 by the position adjusting means 14.
[0032]
Further, when the electrical outlet device 4 is attached and fixed to furniture other than the desk or the flat plate 2 of various mechanical equipments through the fixing member 12, the outlet box is fixed to the fixing position of the fixing member 12 due to various causes. It may be necessary to change and adjust the position of 13. Even in such a case, according to the configuration of the present invention, the mounting fixing position of the outlet box 13 can be moved forward and backward with respect to the flat plate 2.
[0033]
That is, if the user rotates the rotation driving part 41 of the bolt 35 facing the boss hole 47a from the front side of the outlet box 13 with a rotating tool such as a screwdriver as necessary, the outlet box 13 is rotated by the rotation of the bolt 35. Moves back and forth in the front-rear direction of the flat plate 2. For example, when the bolt 35 has a right-hand thread, when the rotation drive unit 41 is rotated counterclockwise, the bolt 35 is screwed in the direction of being pulled out from the nut 34 as shown in FIG. The outlet box 13 is slid and moved toward the front of the flat plate 2 (the front side of the user). In this sliding movement, the guide wall 30 and the bottom wall 32 of the moving side member 21 constitute guide means above and below the wing parts 16a and 16a of the bracket part 16, and the moving side member 21 is provided on both sides of the wing parts 16a and 16a. The guide ribs 29 and 29 constitute guide means to guide the movement in the straight traveling direction and enable a long stroke movement adjustment range until the retaining portion 44 of the bolt 35 contacts the nut 34. On the contrary, when the rotation drive unit 41 is reversed, as shown in FIG. 3, the bolt 35 is screwed in a direction to enter the nut 34, and the outlet box 13 is slid in the opposite direction. In the illustrated embodiment, the rotation drive unit 41 is configured to be rotated by a rotary tool, but may be configured to be directly rotated by a fingertip or the like.
[0034]
Thus, according to the above embodiment, the position adjusting means 14 constitutes a stepless advance / retreat means by the bolt 35 and the nut 34, so that the outlet box 13 can be finely adjusted to an arbitrary position within the range of the moving stroke. Of course, the present invention is not limited to such a configuration. For example, the present invention can be selected from a detachable fitting means provided between the outlet box 13 and the fixing member 12, a detachable screwing means, and the like. The position adjusting means 14 is constituted by a plurality of connecting and fixing means, and the connecting and fixing positions of the outlet box 13 and the fixing member 12 can be relatively changed by selecting a plurality of connecting and fixing means. May be.
[0035]
【The invention's effect】
According to the present invention, the additional function unit 3 in which the pair of side plates 5 and 5 are connected by the back plate 6 is detachably mounted on the top plate 2 of the desk, and the electrical outlet device 4 is separated and independent from the additional function unit 3. As shown in FIG. 2, the furniture is removably attached to the rear end of the top plate 2 and the additional function unit 3 is formed with a notch 11 in the back plate 6 so as not to interfere with the electrical outlet device 4 attached to the top plate 2. since the a configuration, a main-unnecessary regardless of the additional function unit 3, always it is possible allowed to equipped with an electrical outlet device 4 to the top plate 2, integrated outlet conventional such additional function unit itself Compared to this technology, the application can be expanded and it is very convenient. That is, it is possible to detachably mount the additional function unit 3 on the top plate 2 through the notch 11 with the electrical outlet device 4 attached to the desk top plate 2, and in this state, the electrical outlet The apparatus 4 can be used suitably. On the other hand, even when the additional function unit 3 is removed as unnecessary, the electrical outlet device 4 remains attached to the top plate 2 of the desk and can be used preferably .
[0036]
In particular, according to the present invention, the fixing member 12 that is detachably fixed to the top plate 2 of the desk and the outlet box 13 that can be attached to the fixing member 12 are configured. The member 12 includes a clamp portion 15 having an upper piece 15a and a lower piece 15b for fastening the top plate 2, and a bracket portion for attaching and supporting the outlet box 13 by extending from the upper piece 15a via the connecting portion 17. 16 and the lower surface of the bracket portion 16 is displaced upward from the support surface 15c of the upper piece 1a supported on the surface of the top plate 2 by bending the connecting portion 17 from the upper piece 15a. The mat insertion space S is formed between the lower surface of the outlet box 13 attached to and supported by the bracket portion 16 and the upper surface of the top plate 2, and the electric outlet device 4 is attached to the top plate 2. Top board Since the edge of the desk mat M is laid configured as allowed to insert into the mat insertion space S, in the state the fixing member 12 attached only to the desk 1 of the electrical outlet device 4, the top plate of the desk 1 When laying the desk mat M on 2, the electrical outlet device 4 does not interfere with the desk mat M, the edge of the mat M can be suitably inserted into the space S, and the effect of being able to lay well is provided. There is.
[0037]
According to the second aspect of the present invention, the outlet box 13 includes the rear opening 28 through which the bracket portion 16 is removably inserted, although the mat insertion space S is formed as described above. In addition, since the cutout window 33 for allowing the continuous portion 17 and the upper piece 15a to enter by opening the backside opening portion 28 is opened, the continuous portion 17 and the upper piece 15a in the attached state shown in FIG. Since it is located on the lower side of the outlet box 13 through the cutout window 33 and is hidden on the lower side of the outlet box 13, the beauty of the appearance is maintained.
[0038]
Furthermore, according to the third aspect of the present invention, the mounting and fixing position of the outlet box 13 between the outlet box 13 and the bracket portion 16 that is detachably inserted into the outlet box 13 in the insertion direction. For example, when the outlet box 13 interferes with the additional function unit 3 of the desk 1 and the usability is not good, or the user's hand is difficult to reach. In the case of being located at a distant place, the outlet box 13 can be changed and adjusted to a convenient position by moving the outlet box 13 in the front-rear direction by the position adjusting means 14 while keeping the fixing position of the fixing member 12 as it is. And since the position adjustment means 14 comprises the stepless advance / retreat means which consists of the volt | bolt 35 and the nut 34, it is possible to finely adjust the movement position of the outlet box 13, and a user can adjust it to arbitrary positions. There is convenience.
By the way, when the outlet box 13 is moved back and forth in the insertion direction of the bracket portion 16, the continuous portion 17 of the fixing member 12 is guided by the notch window 33, so that the rear opening 28 as shown in FIG. The outlet box 13 is moved back and forth with the range of movement of the outlet box 13 between the retracted position positioned facing the piece 15a and the advanced position where the rear opening 28 is positioned facing the bracket portion 16 as shown in FIG. You can adjust the position.
[Brief description of the drawings]
1A and 1B show an embodiment of the present invention, in which FIG. 1A is a perspective view showing a state where an electrical outlet device is attached to a desk, and FIG. 1B is a front view of the electrical outlet device.
FIG. 2 is a perspective view showing an electrical outlet device according to an embodiment of the present invention from the back.
FIG. 3 is a central longitudinal sectional view of the electrical outlet device according to the embodiment of the present invention attached to a desk, corresponding to the cross section taken along line AA in FIG. 1 (B).
FIG. 4 is a central longitudinal sectional view showing the operation of the position adjusting means in the electrical outlet device according to the embodiment of the present invention.
5 is a longitudinal sectional view of the electrical outlet device corresponding to the cross section taken along line BB in FIG. 3;
FIG. 6 is a perspective view showing a fixing member in the electrical outlet device according to the embodiment of the present invention from the back.
FIG. 7 is an exploded perspective view showing the electric outlet apparatus according to the embodiment of the present invention, with the movable member constituting the outlet box and the fixed member broken away.
[Explanation of symbols]
1 Desk 2 Flat plate (top plate)
3 Additional Function Unit 4 Electric Outlet Device 12 Fixing Member 13 Outlet Box 14 Position Adjusting Means 15 Clamp Part 15c Contacting Surface 16 Bracket Part 16a Wing Part 17 Connecting Part 18 Friction Plate 19 Clamp Bolt 20 Unit Housing 21 Moving Side Member 27 Slide Mechanism 28 Back opening 29 Guide rib 30 Guide wall 33 Notch window 34 Nut 35 Bolt 41 Rotation drive part 42 Head 43 Shank 44 Detachment part 45 Neck 46 Positioning means 47 Boss part 47a Boss hole 48 Head accommodation part 49 Neck part accommodation part S Mat insertion space M Desk mat

Claims (3)

In furniture or the like in which the additional function unit (3) in which the pair of side plates (5) and (5) are connected by the back plate (6) is detachably mounted on the top plate (2) of the desk , the additional function unit (3) An electrical outlet device (4 ) which is located in a notch (11) formed in the back plate (6) and is detachably attached to the rear end of the top plate (2) as a separate and independent configuration from the additional function unit (3). ) And
The electrical outlet device (4) comprises a fixing member (12) that is detachably fixed to a top plate (2) of a desk, and an outlet box (13) that can be attached to the fixing member (12).
The fixing member (12) includes a clamp part (15) having an upper piece (15a) and a lower piece (15b) for fastening the top plate (2), and a connecting part (17 ) To form a bracket portion (16) for mounting and supporting the outlet box (13),
The bracket portion (16) is an outlet mounted and supported on the bracket portion (16) by deflecting the lower surface of the bracket portion (16) upward through bending of the connecting portion (17). A mat insertion space (S) is formed between the lower surface of the box (13) and the upper surface of the top plate (2),
The electrical outlet device (4) in a state attached to the top plate (2) is inserted the edge of the desk mat is laid on the top plate (2) (M) within said mat inserting space (S) An electrical outlet device for furniture or the like, characterized by being configured as described above. The outlet box (13) includes a rear opening (28) for detachably inserting the bracket portion (16), and a notch window (33) on the bottom wall (32) of the outlet box (13). The rear opening (28) and the cutout window (33) are communicated, and when the bracket portion (16) is inserted into the outlet box (13) from the rear opening (28) , the connecting portion The electrical outlet device for furniture or the like according to claim 1, wherein (17) is configured to enter the cutout window (33) . The mounting and fixing position of the outlet box (13) can be changed with respect to the insertion direction between the outlet box (13) and the bracket portion (16) that is removably inserted into the outlet box (13). Position adjustment means (14) is provided,
The position adjusting means (14) includes a bolt (35) provided on one of the bracket part (16) and the outlet box (13), and is screwed to the bolt and the bracket part (16) and the outlet box. The electrical outlet device for furniture or the like according to claim 2, wherein the nut (34) provided on the other of the above (13) constitutes a stepless advance / retreat means.

Images