JP5302013B2 - Outlet box - Google Patents

Description

  The present invention relates to an outlet box that is used by being attached to a top plate of a fixture such as a desk or table, for collecting and connecting various cables such as OA equipment.

Some outlet boxes of this type are equipped with a power outlet, an information outlet for network communication by a personal computer, a video outlet for display connection, and the like (see, for example, Patent Documents 1 and 2).
JP 2008-84558 A JP 2004-229945 A

In the outlet box described in Patent Document 1, a dedicated attachment port for attaching a power outlet, an information outlet, and a video outlet is provided in the outlet box body, and these attachment ports are adapted to this. Since each shaped outlet is attached with a screw, the position, type, quantity, etc. of each outlet are limited, and the use position, type, etc. of OA equipment mounted on the top plate such as a desk are limited. In addition, the degree of freedom of the wiring form when a cable such as an OA device is connected to each outlet is also limited.
In addition, in order to cope with this problem, it is necessary to replace with another outlet box body having a different mounting port shape and position, and in this way, it is necessary to prepare a plurality of outlet box bodies. So the cost is high.

The outlet box (holder) described in Patent Document 2 is provided with a mounting port for attaching a power outlet or an information outlet on a cover member that is detachably attached to the outlet box body, and when changing the position and type of each outlet, Since the cover can be replaced with another cover member having a different shape or arrangement of the mounting opening, it is not necessary to replace the outlet box main body as in Patent Document 1.
However, since it is necessary to prepare and prepare a plurality of cover members, it is disadvantageous in terms of cost. In addition, the cover member is attached to and detached from the outlet box body and replaced, or each outlet is replaced with a cover member. Becomes complicated.

  The present invention has been made in view of the above problems, and is an inexpensive outlet box in which various outlet units can be attached to a single outlet box body so that the left and right positions, quantities, and the like can be easily changed. The purpose is to provide.

According to the present invention, the above-mentioned problems are solved as follows.
(1) A power outlet box that is attached to the top of a fixture, etc., and is used as a power outlet, a network communication information outlet, a PC peripheral equipment connection outlet, a video outlet, etc. A plurality of outlet units having the same vertical dimension, formed by attaching at least one of the above, the front surface of the outlet unit so that it is substantially equal to the vertical dimension of the front end of each outlet unit and is continuous in the left-right direction. In the outlet box body that is opened longer than the left and right dimensions of the outlet unit, the left and right positions are accommodated as changeable, and the outlet box body is fixed so that the opening is formed between the opposing surfaces of the front end portion. The outlet units are sandwiched between the top plate and the bottom plate .

With such a configuration, various outlet units can be attached to a single outlet box body so that the left and right positions and quantity can be easily changed. An outlet box can be provided.
In addition, it is easy to change the left and right positions and quantity of the plurality of outlet units.

( 2 ) In the above item ( 1 ), a concave groove facing in the left-right direction is formed in either one of the opposing surface of the front end portion of the top plate and the bottom plate and the top and bottom ends of the front plate in the outlet holder, and the other. A fitting piece to be fitted into the concave groove is provided.

  With such a configuration, the plurality of outlet units can be easily positioned and accommodated in the front-rear direction without using fixing means such as screws in the outlet box body.

( 3 ) In the above item (1) or (2) , a concave groove facing in the vertical direction is fitted to one of the opposing surfaces of the front plate of the outlet holders adjacent to each other, and the concave groove is fitted to the other. Each fitting piece is provided.

  With such a configuration, a gap is not formed between the opposing surfaces of the adjacent outlet units, and the adjacent outlet units are not displaced in the front-rear direction, and the front surfaces of the adjacent outlet units are the same. Can be matched to the surface.

( 4 ) In any of the above items ( 1 ) to ( 3 ), the right and left dimensions of each outlet holder are made equal, and the outlet holder is placed in the left-right direction on at least one of the opposing surfaces of the top plate and the bottom plate. Longitudinal ridges for positioning are provided at equal intervals in the left-right direction.

  With such a configuration, there is no fear that the plurality of outlet units are displaced in the left-right direction, and the left-right arrangement and the quantity changing operation are facilitated.

  According to the present invention, various outlet units can be attached to a single outlet box main body so that the left and right positions and quantity can be easily changed. Can provide a box.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of a state in which the outlet box A of the present invention is attached to a top plate 1 such as a desk, viewed obliquely from the front, FIG. 2 is a perspective view also viewed obliquely from the rear, and FIG. It is a disassembled perspective view of A and the attachment apparatus B for attaching this to the top plate 1. FIG.

  The outlet box A has an opening between the outlet box main body 2 whose front is long in the left-right direction, a plurality (six in the embodiment) of outlet units 3 accommodated therein, and the outlet units 3 adjacent to each other. And a plurality of closing plates 4 to be closed.

  Each outlet unit 3 has a power outlet 6, a network communication information outlet 7, and a device connection outlet 8 for connecting a PC peripheral device, etc. to each of a plurality of (6) outlet holders 5 on the left and right. (FIG. 3 shows each outlet omitted), and only the outlet unit 3 for power supply is provided on the left and right sides with the closing plate 4 in between. For example, a LAN connector or the like is used for the information outlet 7, and a USB connector or the like is used for the apparatus connection outlet 7, respectively.

  Each outlet holder 5 includes a holding portion 5a having a shape suitable for holding a power outlet 6, an information outlet 7, and a device connection outlet 8, and a rectangular front plate 5b connected to the front end thereof. The vertical dimension and the horizontal dimension of the holding part 5a and the front plate 5b of each outlet holder 5 are set to be equal. The front end portions of the outlets 6, 7, and 8 are fitted in fitting holes 9 of different sizes drilled in the center portion of the front plate 5b so that the front surfaces thereof are aligned with each other.

  As shown in FIGS. 4 and 5 which are longitudinal side views, the outlet box body 2 includes a synthetic resin upper surface plate 10 having a downwardly facing piece 10a on the rear edge, and the same size as the upper surface plate 10. The bottom plate 11 is made of a synthetic resin having an upward piece 11a at the rear edge, and the left and right side plates 12 and 12 are made of synthetic resin with the front end bent slightly inward.

  A plurality of downward protrusions 13 projecting at equal intervals in the left-right direction are provided on the front and rear portions of the lower surface of the upper surface plate 10 at equal intervals in the left-right direction. An upward protrusion 14 having a length substantially equal to the length of the upward piece 11a is provided at a position facing each of the downward protrusions 13. Each downward projecting portion 13 has a screw insertion hole 15 opened downward for screwing a set screw 24 to be described later, and each upward projecting portion 14 can similarly receive a set screw 24 from below. Each insertion hole 16 is provided.

Concave grooves 17 and 17 are formed on the lower surface of the peripheral edge of the upper surface plate 10 and the front surfaces of both side edges of the downward piece 10a, and on the upper surface of the peripheral edge of the bottom plate 11 and the front surfaces of both side edges of the upward piece 11a, respectively. It is formed continuously.
Further, on the upper surface of the bottom plate 11, a plurality of protrusions 18 facing in the front-rear direction for positioning and placing the holding portions 5 a in the respective outlet holders 5 in the left-right direction protrude at equal intervals in the left-right direction. (See FIG. 3). The ridges 18 may be provided on the lower surface on the top plate 10 side, or may be provided on both the top plate 10 and the bottom plate 11.

The upper and lower ends of the closing plate 4, the front plate 5b in each outlet holder 5, and the upper and lower ends and the rear end of the left and right side plates 12 can be fitted in the concave grooves 17 and 17 of the top plate 10 and the bottom plate 11, respectively. A simple fitting piece 19 is projected.
Further, in the upper and lower ends of the front plate 5b in front of the fitting piece 19 in each outlet holder 5, recessed grooves 20 and 20 facing in the left-right direction are formed, and in each of the recessed grooves 20 and 20, each outlet 5, When not in use, the L-shaped opposing pieces 21a and 21a at the upper and lower ends of the cover 21 covering the front surface of the cover 21 are fitted so as to be slidable in the left-right direction.

  Furthermore, as shown in the cross-sectional plan view of FIG. 6, the concave grooves 22 facing in the vertical direction that fit into each other are formed on both side ends of the closing plate 4 and both side ends of the front plate 5 b in each outlet holder 5. And a fitting piece 23 are provided.

Next, the assembly procedure of the outlet box A will be described.
First, the holding portion 5a of the outlet holder 5 in the plurality of outlet units 3 is positioned between the left and right plurality of protrusions 18 and 18 provided on the upper surface of the bottom plate 11, and each outlet unit 3 is positioned in the left-right direction. Placed on the upper surface of the bottom plate 11.

  Next, the top plate 10 is formed on the bottom plate 11, the concave grooves 17 and 17 formed on the peripheral portions thereof, the closing plate 4, the front plate 5b of each outlet holder 5, and the upper and lower ends of the left and right side plates 12 and 12. The fitting pieces 19, 19 provided on the cover plate are covered so as to be fitted, and the closing material 4, the outlet unit 3, and the side plate 12 are temporarily clamped by the top plate 10 and the bottom plate 11. At this time, the concave grooves 22 and the fitting pieces 23 on the opposing surfaces of the blocking plates 4 adjacent to each other and the front plate 5b of each outlet holder 5 are fitted from the side so that there is a gap between the opposing surfaces. Can be prevented, and the front surface of the closing plate 4 and the front surface of the front plate 5b in each outlet holder 5 can be aligned on the same surface.

  Next, the set screws 24 inserted into the insertion holes 16 of the plurality of upward projections 14 of the bottom plate 11 are screwed into the screw insertion holes 15 of the downward projections 13 of the top plate 10. As a result, the outlet box A in which the outlet units 3 are firmly held by the upper surface plate 10 and the lower surface plate 11 is assembled. As shown in FIG. 2, the connection cable 25 of each outlet unit 3 is provided through a notch 26 provided on the facing surface of the upper piece 10 a of the top plate 10 and the upper piece 11 a of the bottom plate 11. Can be wired externally.

  In the outlet box A of the above embodiment, the front end portions of the outlets 6, 7, 8 in each outlet unit 3 are fitted into the fitting holes 9 provided in the front plate 5 b of the plurality of outlet holders 5 having the same vertical and horizontal dimensions. Since the front plate 5b is positioned on the front opening of the outlet box body 2, each outlet unit 3 is attached by being sandwiched between the top plate 10 and the bottom plate 11 in the outlet box body 2. There is no need to provide the outlet box body 2 with a dedicated mounting port for mounting various outlet units 3 or to use fixing means such as screws.

  Therefore, the left and right positions and quantity of each outlet unit 3 can be easily changed by simply removing the top plate 10, and the outlet box A itself can be replaced, or various outlets can be replaced with another outlet box body 2. There is no need to do.

  In addition, the left and right dimensions of the outlet holder 5 of each outlet unit 3 are made equal so that they can be positioned and placed between the plurality of protrusions 18, 18 provided on the upper surface of the bottom plate 11. The outlet units 3 are not liable to be displaced in the left-right direction, and the left-right position and quantity can be easily changed.

  In the outlet box A of the above-described embodiment, the plurality of outlet units 3 includes a power outlet 6, an information outlet 7 for network communication, and a device connection outlet 8 for connecting a PC peripheral device. However, as indicated by a two-dot chain line in FIG. 1, an outlet unit having a video outlet 27 for connecting a display cable of a personal computer such as a 15-pin connector may be added.

  In addition, each outlet unit 3 of the above embodiment is assumed to have various outlets 6, 7, 8 attached to one outlet holder 5, but the left and right dimensions of the outlet holder 5 are increased, An outlet unit may be provided in which any one of the above-described various outlets 6, 7, 8, and 27 is attached in combination.

  In the above embodiment, the concave groove 17 is provided on the opposing surface of the top plate 10 and the bottom plate 11, and the fitting pieces 19 projecting from the upper and lower ends of the front plate 5 b and the closing plate 4 in the outlet holder 5 are provided. On the contrary, a fitting piece may be provided on the opposing surface of the top plate 10 and the bottom plate 11, and recesses may be provided on the upper and lower ends of the front plate 5 b and the closing plate 4. Good.

Next, the mounting device B for the outlet box A will be described.
As shown in FIGS. 1 to 5, the attachment device B is for supporting an outlet box A attached to the upper surface of the upper clamp 30 and the lower clamp 31, and the upper surface of the upper clamp 30. The support base 32 is provided.

  The lower clamp 31 includes a pair of left and right clamp fittings 33 and 33 having a forward U-shape when viewed from the side, and two upper and lower fitting holes 34 that can press the lower surface of the top plate 1 and open rearward at both side ends. , 34 and the lower clamp 31 is configured by fitting the lower forward pieces 33a of the clamp fittings 33 into the lower fitting holes 34. . In addition, when the thickness of the top plate 1 is large, the lower front piece 33a is fitted to the upper fitting hole 34 and used.

  The upper clamp 30 is integrally formed of synthetic resin so that the left-right dimension is longer than that of the lower clamp 31, and below the upward bulging portions 36, 36 formed at the left and right side ends. As shown in FIG. 5, a concave portion 37 is formed in which the upper front piece 33b of the left and right clamp fittings 33 is inserted from below.

  Cylindrical shafts 39, 39 reinforced by a plurality of ribs 38 protrude from the flat upper surfaces of the two upward bulging portions 36, and two left and right mounting screws 40 inserted through these cylindrical shafts 39 from above. , 40 is drilled at the tip of the upper forward piece 33b and screwed into the screw hole 41 to tighten the top plate 1 between the upper clamp 30 and the lower clamp 31. (See FIG. 5).

The center portion of the upper clamp 30 and both side end portions outward from the upward bulging portion 36 are curved into a concave curved surface so that the receiving surfaces 42 and 42 having an arcuate cross section when viewed from the side are formed on the upper surface. . In the central portion of the upper clamp 30, a slit 43 having a U-shape facing backward in plan view is formed from the rear end portion to the front end portion of the receiving surface 42 in the central portion, so that the vertical direction is centered on the rear end portion. A movable piece 44 that can be elastically deformed is continuously provided. On the upper surface of the central portion of the movable piece 44, a locking protrusion 45 is provided so as to face in the left-right direction.
The front end portion of the movable piece 44 is an upward operation portion 44a that can be pushed downward (see FIGS. 3 and 4).

  Standing pieces 46, 46 that can be elastically deformed laterally are provided on the receiving surfaces 42, 42 at both left and right ends, and short projecting shafts 47, 47 are formed on the opposing surfaces of these upper ends. Projected in the direction.

  The support base 32 is substantially the same size as the left and right dimensions of the upper clamp 30, and is supported by the central portion and both side end portions by the receiving surfaces 42 and 42 of the central portion and both side end portions of the upper clamp 30. Downward convex curved surface portions 48, 48 whose lower surface has a curvature substantially equal to the receiving surface 42 are formed.

As shown in FIG. 4, at the bottom of the convex curved surface portion 48 at the center portion, there are two front and rear engagement holes facing in the left-right direction so that the locking protrusions 45 of the movable piece 44 in the upper clamp 30 can be selectively engaged. 49 and 49 are drilled in parallel with each other.
Further, as shown in FIG. 3, the upright piece 46 of the upper clamp 30 can be inserted into the lower surface of the convex curved portion 48 at both end portions. A hole 50 (the left one is not shown) is formed.

  As shown in FIGS. 3 and 4, projecting pieces 51, 51 that face in the front-rear direction are provided on the upper surfaces of both sides of the support base 32 adjacent to the left and right insertion holes 50, and the upper ends of both projecting pieces 51. Semi-circular locking grooves 52, 52 into which the protruding shafts 47 of the left and right standing pieces 46 are fitted are provided in the central portion facing the front and rear direction.

The receiving surfaces 42 of the upper clamp 30 support the lower surfaces of the convex curved surface portions 48 of the support base 32, and the protruding shafts 47 of the upright pieces 46 and 46 inserted into the left and right insertion holes 50 of the support base 32 are used as the support base. The upper clamp 30 and the support base 32 are connected to each other by engaging with the locking grooves 52 of the left and right projecting pieces 51 and 51, and the support base 32 is formed on the receiving surface 42 around the projecting shaft 47. And can be rotated in the front-rear direction.
Further, the locking protrusion 45 of the movable piece 44 in the upper clamp 30 is supported by selectively engaging the front and rear engagement holes 49 provided in the support base 32 by pushing the operation portion 44a. The base 32 can be stopped and held at two positions, a position where the upper surface is substantially horizontal and an inclined position inclined similarly to the front upper direction (see FIGS. 4 and 8).

As shown in FIGS. 3 and 5, both side ends of the front end portion of the support base 32 are substantially downward U-shaped in a side view in which the front side is a downward operation piece 53 a that can be elastically deformed in the front-rear direction. A pair of right and left fitting protrusions 53, 53 are provided so as to protrude upward.
In addition, a pair of left and right engaging pieces 54, 54 having an inverted L-shape are provided at the center of the upper rear end of the support base 32. 55 and 55 are through holes for allowing the heads of the left and right mounting screws 40 to pass freely.

  To attach the outlet box A to the support base 32, the right and left locking pieces 54 of the support base 32 are inserted into the locking holes 56, 56 formed in the center of the rear end portion of the bottom plate 11 in the outlet box body 2. , 54 are engaged, and their upper ends are locked to the opening edge of the rear upper part of the locking hole 56.

  Next, the front-side fitting protrusions 53 and 53 in the support base 32 are fitted into a pair of left and right mounting holes 57 and 57 formed in the front end of the bottom plate 11 so that the downward operation piece 53a is fitted. The engaging groove 58 formed in the lower portion of the front surface and facing in the left-right direction is elastically engaged with the opening edge on the front side of the mounting hole 57. Thereby, the outlet box A is detachably attached to the upper surface of the support base 32. Note that through holes 59 are formed in the bottom plate 11 so that the head of the mounting screw 40 does not interfere.

After fixing the mounting device B to which the outlet box A is attached to the rear end of the top plate 1, as described above, the locking protrusion 45 of the movable piece 44 in the upper clamp 30 is operated to push the operating portion 44a. Then, when selectively engaging with the front and rear engagement holes 49 provided in the support base 32, the outlet box A has a horizontal position shown in FIG. 1 and an inclined position facing obliquely forward upward shown in FIG. The orientation can be changed to 2 positions.
Accordingly, the vertical positions of the insertion openings in the various outlets 6, 7, and 8 can be changed, and the wiring form of the cables connected to them can be changed to the position and size of the OA device or the like placed on the top board 1, or It can be changed optimally according to the usage status of the top board 1 and the like. Note that two or more engagement holes 49 may be provided in the support base 32. In this way, the position of the outlet box A can be changed to two or more positions.

It is the perspective view which looked at the state which attached the outlet box of this invention to the top plate from diagonally forward. Similarly, it is the perspective view seen from diagonally backward. It is an exploded perspective view of an outlet box and its attachment device. It is the IV-IV line expansion vertical side view of FIG. It is the VV line expansion vertical side view of FIG. FIG. 6 is an enlarged cross-sectional plan view taken along line VI-VI in FIG. 1. It is the perspective view which looked at the state which changed the up-and-down position of the outlet box from diagonally forward. It is the VIII-VIII line expansion vertical side view of FIG.

DESCRIPTION OF SYMBOLS 1 Top plate 2 Outlet box body 3 Outlet unit 4 Closing plate 5 Outlet holder 5a Holding part 5b Front plate 6 Power outlet 7 Information outlet 8 Equipment connection outlet 9 Fitting hole 10 Top plate 10a Down piece 11 Bottom plate 11a Top Direction piece 12 Side plate 13 Downward protrusion 14 Upward protrusion 15 Screw insertion hole 16 Insertion hole 17 Groove 18 Projection 19 Fitting piece 20 Groove 21 Cover 21a Opposing piece 22 Groove 23 Fitting piece 24 Set screw 25 Connection cable 26 Notch 27 Video outlet 30 Upper clamp 31 Lower clamp 32 Support base 33 Clamp fitting 33a Forward piece 33b Forward piece 34 Fitting hole 35 Clamp plate 36 Upward bulging part 37 Recess 38 Rib 39 Cylindrical shaft 40 Mounting screw 41 Female thread hole 42 Receiving surface 43 Slit 44 Movable piece 44a Operation part 45 Locking protrusion 46 Standing piece 47 Projection 48 Projection surface portion 49 Engagement hole 50 Insertion hole 51 Projection piece 52 Locking groove 53 Fitting projection 53a Downward operation piece 54 Locking piece 55 Through hole 56 Locking hole 57 Mounting hole 58 Engagement groove 59 Through hole A Outlet box B Mounting device

Claims (4)

It is an outlet box that is attached to the top plate of a fixture and used.
A plurality of outlets with equal vertical dimensions formed by attaching at least one of a power outlet, an information outlet for network communication, an outlet for connecting a PC peripheral device, an outlet for video, etc. to the outlet holder The left and right positions of the units are placed in the outlet box body whose front is opened longer than the left and right dimensions of the outlet unit so that the unit is substantially equal to the vertical dimension of the front end of each outlet unit and is continuous in the left and right direction. Each outlet unit is sandwiched between a top plate and a bottom plate of the outlet box body which is accommodated as changeable and fixed so that the opening is formed between opposing surfaces of the front end portion. Outlet box. A fitting groove that fits in the left-right direction on one of the opposing surface of the front end portion of the top plate and the bottom plate and the top and bottom ends of the front plate in the outlet holder, and the other is fitted in the groove. piece and comprising respectively claim 1, wherein the power distribution box. On one of the opposing surfaces of the front plate of the outlet holders adjacent to each other, the grooves oriented in the vertical direction, and the other, the fitting piece to be fitted into the groove, formed by respectively claim 1 or 2 outlet box. The left and right dimensions of each outlet holder are made equal, and at least one of the opposing surfaces of the top plate and the bottom plate is provided with front and rear ridges for positioning the outlet holder in the left and right direction at equal intervals in the left and right direction. The outlet box according to any one of claims 1 to 3 .

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