JP3206301B2 - Outlet mounting device for furniture with outlet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outlet mounting device for furniture with an outlet, and more particularly to an outlet mounted on a top plate such as a desk or a wagon, a top plate such as a desk shelf or a cupboard or a side plate. The present invention relates to an outlet mounting device for mounted furniture and furniture.

[0002]

2. Description of the Related Art Conventionally, various kinds of furniture and fixtures having an outlet mounted on a top plate or the like have been provided. For example, Japanese Unexamined Utility Model Publication No. 63-64479, which is a prior application of the present applicant, discloses a fixing method in which an opening penetrating through the top plate is formed on the front and back sides, and a code insertion hole corresponding to the opening is formed in the upper surface of the top plate. A workbench having a structure in which a member is screwed and a leg frame fixed to a lower end of a cover member accommodating an outlet box therein is screwed to the fixing member, and the outlet box protrudes from an upper surface of a top plate is disclosed. Yes.

[0003] Japanese Utility Model Application Laid-Open No. 3-91012, which is also filed by the applicant of the present invention, discloses an upwardly open mounting opening formed in a front plate of an upwardly open storage case screwed to a lower surface of a shelf plate. There is disclosed a mounting structure having a structure in which an outlet or a switch is slidably engaged with the mounting opening from above, and in this state, the main body case is fixed to the lower surface of the shelf board.

[0004] However, those disclosed in these publications are structurally complicated because an outlet box is protruded from a top plate or a dedicated storage case is required.
The number of parts tends to be large and the cost tends to be high.

[0005] In addition, various types of OA desks having a wiring function are provided with a wiring duct provided along the rear edge of the top plate, and an outlet box can be mounted in the duct. Each has a complicated structure and has the above-mentioned problems.

[0006]

SUMMARY OF THE INVENTION In view of the above-mentioned situation, the present invention is intended to solve the above problem without exposing the outlet box to a plate such as a top plate without using a dedicated storage case. Another object of the present invention is to provide an outlet mounting device for a furniture with an outlet, which can be easily mounted on a furniture and has a structure capable of accommodating a fuse therein.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a flange such as a ceiling plate or the like for a furniture with outlets, which has openings formed on the front and back sides thereof and which is engaged with the surface of the plate. An outlet box having a peripheral portion is fitted into the opening from the front side, and a screw is inserted through a through hole formed at both ends of a cover plate on the back side of the plate body and having a size capable of covering the opening. The wiring cord connected to the outlet box is screwed into a screw hole formed on both sides of the opening, and the wiring cord connected to the outlet box is held through a cord insertion hole penetrating through the cover plate via a bush. An outlet mounting device is provided for a furniture with an outlet in which a fuse is mounted on a wiring cord located in a remaining space in an opening surrounded by a box.

The opening formed in the plate body includes a mounting portion penetrating through the front and back sides for fitting the outlet box, and a concave portion on the back side of the plate body and continuous with the mounting portion. It is a preferred embodiment to use the ones that do.

Further, the opening formed in the plate body includes a mounting portion penetrating from the front to the back for fitting the outlet box, and a concave portion on the back side of the plate body and continuous with the mounting portion, In a more preferred embodiment, a concave step is formed around the opening on the back side of the plate body, and the cover plate is fitted and screwed in the concave step.

[0010] It is preferable that a plurality of heat radiating holes are formed in the cover plate at positions corresponding to the concave portions of the openings.

[0011]

The outlet mounting apparatus for furniture with an outlet according to the present invention having the above-mentioned contents is provided by fitting an outlet box from the front side into an opening formed in a plate such as a top plate of furniture with an outlet, and a flange around the opening. To the outlet box, attach the wiring cord connected to the outlet box to the cable insertion hole of the cover plate through the bush, and hold a fuse in the wiring cord between the bush and the outlet box. In the mounted state, the cover plate is screwed into screw holes on both sides of the opening with screws that cover the opening on the back side of the plate body and pass through the through holes at both ends. Here, the storage space for housing the outlet box is constituted by the inner wall of the opening formed in the plate body and the cover plate, and the fuse is disposed in the remaining space other than the space occupied by the outlet box. , Wiring cords are arranged. When an overcurrent flows through the electric device connected to the outlet and the fuse is blown, the screws at both ends of the cover plate are removed and the fuse is replaced.

The opening formed in the plate body includes a mounting portion penetrating from the front to the back for fitting the outlet box, and a concave portion on the back side of the plate body and continuous with the mounting portion. When a fuse is used, it is possible to dispose a fuse in a space surrounded by the recess and the cover plate.

[0013] Further, the opening formed in the plate body includes a mounting portion penetrating through the front and back for fitting the outlet box, and a concave portion on the back side of the plate body and continuous with the mounting portion, A concave step is formed around the opening on the back side of the plate body, and when the cover plate is fitted and screwed in the concave step portion, the cover plate does not protrude to the back side of the plate body. The cover plate can be attached, and the lateral displacement of the cover plate is reliably restricted by the concave step.

In the case where a plurality of heat radiating holes are formed in the cover plate at positions corresponding to the concave portions of the openings, an outlet box, a fuse,
Alternatively, Joule heat or contact resistance heat generated from the wiring cord is released from the heat radiation hole to the outside, and heat is prevented from staying in the inner wall surrounded by the opening, the outlet box, and the cover plate.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a first embodiment of the present invention; FIG. 1 shows a learning desk with an outlet showing a typical embodiment of the present invention, and FIG. 2 is an enlarged perspective view of a main part thereof. In the present embodiment, an example is shown in which an outlet box is attached to a tabletop of a learning desk.However, an outlet box is attached to a tabletop such as a wagon other than a desk, a tabletop such as a desk shelf or a cupboard or a side plate. The same can be applied to attached furniture and furniture.

According to the present invention, an opening 3 penetrating through the front and back sides of a top plate 2 (plate body) of a learning desk 1 (furniture with an outlet) is formed, and a flange portion 4 which is engaged with the surface of the top plate 2 is provided. An outlet box 5 is fitted into the opening 3 from the front side, and a cover plate 6 on the back side of the top plate 2 and large enough to cover the opening 3 is passed through through holes 7 formed at both ends thereof. Screws 8, 8 are screwed into screw holes 9, 9 formed on both sides of the opening 3, respectively, and a cable insertion hole in which a wiring cord 10 connected to the outlet box 5 is passed through the cover plate 6. 1
The gist of the present invention is that a fuse 13 is attached to a wiring cord 11 which is penetrated and held through a bush 12 and is located in a remaining space in an opening 3 surrounded by a cover plate 6 and an outlet box 5.

More specifically, the top plate 2 of the learning desk 1 of the present embodiment is a wooden plate such as a glued laminated wood, a particle board or a flash board to which a single material is adhered. In the case of a particle board or a flash board, the opening 3 is formed at a position corresponding to a wooden frame.

The opening 3 is, as shown in FIGS.
It has a flat shape capable of fitting the main body 14 of the outlet box 5 and includes a mounting portion 15 penetrating through the front and back of the top plate 2 and a concave portion 16 on the back side of the top plate 2 and continuous with the mounting portion 15. ing. A concave step 17 having a depth corresponding to the thickness of the cover plate 6 is formed around the opening 3 on the back side of the top plate 2.
Is formed. Here, the cover plate 6 and the concave step 17 are provided.
Are substantially matched in plan view.

The outlet box 5 is provided with a suitable number of claws 18, which engage with the inner wall of the mounting portion 15 of the opening 3, on the side surface of the body 14, and the main body 14 of the outlet box 5 is connected to the opening 3. Of the claw 1
Are engaged with the inner wall of the mounting portion 15 of the opening 3 in a retaining state. By inserting a tool such as a screwdriver between the inner wall of the mounting portion 15 and the main body portion 14 of the outlet box 5 from behind the opening 3 and pressing the claw portion 18,
It is also possible to remove the outlet box 5. The means for fitting the opening 3 to the mounting portion 15 using the claw portion 18 is as follows:
It is also possible to replace the structure with another appropriate structure. Further, the flange 4 of the outlet box 5 is screwed to the top plate 2 using the flange 4 in a state in which the flange 4 is in contact with the edge of the opening 3. Is also possible. In addition, the outlet box 5 of the present embodiment
In the above, the wiring cord 10 is derived from the end face of the main body 14 as an example.
0 may be derived, in which case the wiring code 1
It is assumed that an arrangement space of 0 is formed in the mounting portion 15 of the opening 3.

The screw hole 9 is formed on the bottom surface of the concave step 17, specifically, the side of the mounting portion 15 of the opening 3 and the concave portion 1.
6 is formed by embedding an embedding nut such as an ony nut in a recessed step portion 17 which is formed slightly wider on the side portion of No. 6.

The cover plate 6 is formed of metal or synthetic resin, and has through holes 7 for inserting screws 8 at both ends.
7, a cord insertion hole 11 is formed at an end corresponding to the concave portion 16 of the opening 3, and the code insertion hole 11 is opened laterally by a notch 19 formed at one side edge of the cover plate 6. ing. A bush 12 made of rubber or soft synthetic resin is fitted to the wiring cord 10, and the wiring cord 1 is
After the 0 is inserted from the notch 19 and passed through the cord insertion hole 11, the bush 12 is forcibly fitted and held in the cord insertion hole 11. In this state, the wiring cord 10 is strongly penetrated and held in the cord insertion hole 11 via the bush 12, so that the wiring cord 10 does not easily move even if the tip of the code insertion hole 11 is unexpectedly pulled. I have. After the cover plate 6 is fitted into the concave step 17 and screwed to the top plate 2, the notch 19 forms the concave step 1.
7 closed. In the cover plate 6, a plurality of heat radiation holes 2
0,... Are arranged.

A fuse 13 is connected to a portion of the wiring cord 10 located between the bush 12 penetrated through the cord insertion hole 11 and the outlet box 5. The fuse 13 itself has a known structure. One of the wires of the wiring cord 10 is cut, and the cut end is connected to the fuse 13 in series. However, the method of attaching the fuse 13 in the middle of the wiring cord 10 is arbitrary.

In order to attach the outlet box 5 to the top panel 2, first, a plug (not shown) at the tip of the wiring cord 10 connected to the outlet box 5 is used.
Is inserted into the opening 3 of the top plate 2 from the front side, and the main body portion 14 of the outlet box 5 is fitted into the mounting portion 15 of the opening 3 until the flange portion 4 abuts on the opening edge, and is attached. With the bush 12 attached to the wiring board 10, the wiring cord 10 is inserted through the notch 19 of the cover plate 6 through the cord insertion hole 1.
1 and then the bush 12 is forcibly fitted into the cord insertion hole 11 to hold the wiring cord 10 therethrough. And
Wiring cord 10 and fuse 1 connected between outlet box 5 and bush 12
3 is accommodated in the recess 16 of the opening 3 and the cover plate 6
Is fitted into the concave step 17, and screws 8, 8 passing through the through holes 7, 7 at both ends of the cover plate 6 are screwed and fixed to the screw holes 9, 9 formed in the concave step 17. It is.

[0024]

The outlet mounting apparatus for furniture with an outlet according to the present invention as described above has the following remarkable effects.

According to the first aspect, an outlet box is fitted from the front side into an opening formed in a plate such as a top plate, and a flange around the outlet box is fitted to the opening edge to be mounted. The connected wiring cord is held through the cord insertion hole of the cover plate through the bush, and the cover plate is opened to the back side of the plate body with the fuse attached to the wiring cord between the bush and the outlet box. Is mounted and screwed into the screw holes on both sides of the opening with screws passing through the through holes at both ends thereof, so that the mounting operation is extremely simple and the structure is also simple. Further, since a storage space for housing the outlet box is constituted by the inner wall of the opening formed in the plate and the cover plate, a housing case for housing the outlet box is unnecessary, and the number of parts is reduced and the cost is reduced. Can be achieved. Further, the fuse can be arranged in a remaining space of the opening other than the space occupied by the outlet box, and the wiring cord can be arranged.

According to the second aspect, the fuse can be provided in a space surrounded by the concave portion of the opening and the cover plate, and the fuse can be accommodated with a margin.

According to the third aspect, in addition to the effects described above,
The cover plate can be attached to the back side of the plate member without protruding, and the lateral displacement of the cover plate can be reliably restricted by the concave step, so that the mounting strength of the cover plate can be increased.

According to the fourth aspect, Joule heat or contact resistance heat generated from the outlet box, the fuse, or the wiring cord by energization is released to the outside from the heat radiating hole.
Heat can be prevented from staying in the inner space surrounded by the inner wall of the opening, the outlet box and the cover plate.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a desk according to a representative embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a main part of the present invention.

FIG. 3 is a rear view of a main part of the top plate.

FIG. 4 is a cross-sectional view of a main part in a state where the outlet box is attached to a top plate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Learning desk (furniture with an outlet) 2 Top plate (plate body) 3 Opening 4 Flange 5 Outlet box 6 Cover plate 7 Through hole 8 Screw 9 Screw hole 10 Wiring code 11 Cord insertion hole 12 Bush 13 Fuse 14 Main body 15 Mounting Part 16 concave part 17 concave step part 18 claw part 19 notch part 20 heat radiation hole

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) H01R 25/00 A47B 13/00 B25H 1/02 H01R 13/68

Claims (4)

(57) [Claims] 1. A plate body such as a top plate of furniture with an outlet,
An outlet box having a penetrating opening formed on the front and back sides, and an outlet box provided with a flange portion which is engaged with the surface of the plate body is fitted into the opening from the front side, and the back side of the plate body can cover the opening. The cover plate is screwed into through holes formed at both ends of the cover plate and screwed into screw holes formed at both sides of the opening, and a wiring cord connected to the outlet box is passed through the cover plate. An outlet mounting device for furniture with an outlet, wherein a fuse is mounted on a wiring cord located in a residual space in an opening surrounded by a cover plate and an outlet box, the fuse being inserted through a cord insertion hole through a bush, and being retained. . 2. An opening formed in the plate body, comprising: a mounting portion penetrating from the front to the back for fitting the outlet box; and a concave portion on the back side of the plate body and continuous with the mounting portion. The outlet mounting device in the furniture with the outlet according to claim 1. 3. An opening formed in the plate body, comprising: a mounting portion penetrating from the front to the back for fitting the outlet box; and a concave portion on the back side of the plate body and continuous with the mounting portion, The outlet mounting device according to claim 1, wherein a recessed step is formed around an opening on the back side of the plate body, and the cover plate is fitted and screwed in the recessed step. 4. A plurality of heat radiating holes are formed in the cover plate at positions corresponding to the concave portions of the openings.
Or the outlet installation apparatus in the furniture with an outlet described in 2 or 3.