JP2000156260A - Flush plug socket for building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plug socket capable of connecting a plug even when an electric equipment is placed on a place separated from a front plate mount position of a wall and a floor, where the plug can not reach, and preventing a cord from being left as it is when it is not used. SOLUTION: A building flush plug socket 1 comprises a plug socket body 5 having plug insertion portions 6, a front plate 4 fixed to the plug socket mount opening 46 of a wall panel 24 through a front frame 3 and having an opening 26 capable of taking in and out the plug socket body, a box-shaped body casing 2 connected to a rear part of the front frame by screws, and a cord 13 connected to the plug insertion part of the plug socket body at its one end and connected to a power source in the wall panel through the body casing 2 at its other end, and a holding means 57 for demountably holding the plug socket body in the opening 26 of the front plate, and a cord storing part 25 for storing the cord having a length suitable for pulling the plug socket body from the front plate are mounted in the body casing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building-embedded outlet which is used by being embedded in a building such as an indoor wall or floor.

[0002]

2. Description of the Related Art Conventionally, as this type of outlet, for example, a wall embedded type outlet mounted on an outlet mounting opening provided in a wall is known. In this wall-embedded outlet, a front plate is fixed to an outlet mounting opening in the wall, and an outlet body is mounted in the opening of the front plate. A plug insertion portion is provided on the front of the outlet body. Therefore, the electric device is used within a range where the plug at the end of the cord can reach the outlet.

[0003]

However, in the above-mentioned conventional outlet, since the outlet body is fixed to the front plate, if a plug connection is desired at a place distant from a wall or a floor, a commercially available corded tap strip is prepared. Must. When such a table tap is used, a long cord is often left as it is on a floor or the like, and the appearance is poor. In addition, there is a problem that the interior of the room is not cleaned up and it cannot be organized.

On the other hand, there are cases where a large number of plugs must be connected within the rated capacity range of the outlet. However, in the conventional outlet, a plug can be inserted only into the plug insertion portion on the front face, so a commercially available multi-port socket must be used. When using such a multi-port socket,
Plugs may be inserted obliquely, resulting in poor appearance, or a large number of plugs and the weight of the cords connected thereto may cause the multi-port socket itself to become unstable, resulting in unstable plug connection.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has been made in consideration of the above-described problems. An object of the present invention is to provide a building-embedded outlet that can be connected and that does not leave a cord unused when not used.

[0006]

In order to achieve the above-mentioned object, a building-embedded outlet according to the present invention comprises an outlet body having at least a plug insertion portion on a front surface, and an outlet mounting opening of the building. A front plate that is fixed and has an access opening through which the outlet body can enter and exit, a box-shaped body casing connected to the rear of the front plate, and one end connected to the plug insertion portion of the outlet body and the other end connected to the body casing Holding means for detachably holding the outlet body in the access opening of the front plate, and a cord of an appropriate length capable of pulling out the outlet body from the front plate. And a code storage unit for storing the same are provided in the main body casing.

In the above-described configuration, a plug insertion portion is provided on one of the side surfaces including the upper and lower surfaces of the outlet main body, and is further provided in the main body casing to push the outlet main body forward. Motive means, at least,
Locking means for removably locking the outlet main body at a position where the front surface of the outlet main body and the front plate are substantially flush and at a position where the plug insertion portion on the side surface of the outlet main body is exposed from the front plate. Things.

Further, the code storage section in any one of the above-described configurations is constituted by a code winder.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a front view showing a building embedded type outlet according to an embodiment of the present invention, and FIG. 2 is a side sectional view showing a main part of the building embedded type outlet. In each of the drawings, a building embedded type outlet (hereinafter, abbreviated as “outlet” unless necessary) 1 has two front faces and one upper face 1
A plug body 5 made of synthetic resin having a total of eight plug insertion portions 6, 6,..., One undersurface and two on both side surfaces, and an access opening 26 through which the outlet body 5 can be inserted and removed. A front plate 4, a front frame 3 fixed to an outlet mounting opening 46 of the wall panel 24 (an example of a building) to which the front plate 4 is mounted, and a box-shaped screw-connected to a rear portion of the front frame 3. The main body casing 2 has one end connected to the plug insertion portions 6, 6,...
And a cord 13 connected to the power supply.

The main body casing 2 has upper and lower clasps 12 with respect to a pillar 23 fixed to the torso 22 in a wall panel 24.
It is screwed at 12 parts. A button hole 9 is formed above the access opening 26 of the front plate 4 and the button 7 is mounted. The button 7 is a locking claw 7 bent downward.
a on the back. The button 7 and the locking claw 7a are always urged downward by a spring 10 provided on the back surface of the front plate 4. In addition, an appropriate length (for example, 3 to 5) from which the outlet main body 5 can be pulled out from the front plate 4.
A code storage section 25 for storing the code 13 of (m) is secured in the innermost part in the main body casing 2.

A rectangular box-shaped holding step 5a smaller in size than the outlet main body 5 is integrally formed on the back surface of the outlet main body 5. On the upper and lower surfaces of the holding step 5a, there are formed engagement recesses 17 which are slightly inwardly recessed. A slider 54 having a front opening and having a U-shaped side section is detachably fitted to the holding step 5a. The circumferential shape of the slider 54 is formed so as to match the circumferential shape of the outlet main body 5. A cord insertion opening 16 is formed on the back surface of the slider 54, and engaging projections 18 and 18 which engage with the engaging recesses 17 and 17 of the holding step 5a are formed on the upper and lower surfaces of the slider 54, respectively. Is formed. A locking claw 7a of the button 7 is provided on the upper outer surface of the slider 54.
And a locking hole 19 that engages with. The locking claw 7a is detachably engaged with the locking hole 19 so that the slider 54 does not fall out, or the retaining step 5a of the outlet main body 5 can be easily attached to and detached from the slider 54. The slider 54 is locked. That is, the outlet main body 5, the engagement recess 17, the guide member 11, the slider 5
The holding means 57 of the present embodiment has a configuration composed of the engaging projections 4 and the engaging projections 18. The holding means according to the present invention is not limited to the above-described holding means 57, as long as the outlet body is detachably held in the access opening of the front plate.

A guide member 11 having a front-rear direction guide hole 60 is fitted and fixed to the inner surface of the main body casing 2. The guide hole 60 of the guide member 11 is set to a shape and a size that allow the outlet main body 5 and the slider 54 to move back and forth. The guide member 11 has a cord insertion opening 15 formed at its rear end. The opening edge of the cord insertion opening 15 is folded forward to form a receiving seat 11a for holding a coil spring. The coil spring 14 is mounted between the rear surface of the slider 54 and the front surface of the receiving seat 11a, and is configured to urge the outlet main body 5 forward through the slider 54. That is, the seat 11a,
The structure composed of the slider 54 and the coil spring 14 is the pushing means 59 of the present embodiment. However, the pushing means in the present invention is not limited to the pushing means 59 as long as it has a structure for pushing the outlet main body forward.

On the upper surface of the outlet main body 5, two front and rear locking holes 21 and 20 are formed. Lock holes 21, 20
Locks the outlet body 5 at a position where the front of the outlet body 5 and the front face of the front plate 4 are substantially flush (the position of the outlet body 5 shown by a solid line in FIG. 2), and plugs in the side of the outlet body 5 The positional relationship in the front-rear direction is set such that the outlet main body 5 is locked at a position where the portion 6 is exposed from the front plate 4 (the position of the outlet main body 5 indicated by a two-dot chain line in FIG. 2). That is, the locking claws 7a,
The structure including the locking holes 21 and the locking holes 20 is the locking means 58 of the present embodiment. The locking means according to the present invention is not limited to the locking means 58 described above, as long as it is configured to lock the outlet body at a predetermined position so as to be detachable.

Next, the usage of the outlet 1 will be described with reference to FIGS. 3 and 4. FIG. First, the outlet body 5
When the front surface is flush with the front surface of the front plate 4, plugs 8, 8 (indicated by dashed lines in FIG. 2) can be connected to the two plug insertion portions 6, 6 on the front surface. When the button 7 is pushed up in the above state, the locking claw 7a is disengaged from the locking hole 21 and the locked state of the outlet main body 5 is released. Then, the slider 54 and the outlet main body 5 are integrally pushed out by the forward pressing force of the coil spring 14. Among them, the locking claw 7a is the locking hole 2
And the outlet main body 5 is locked at that position.

At this time, the plug insertion portions 6, 6,... On both sides, the upper surface, and the lower surface of the outlet main body 5 are exposed from the front plate 4 (the two-dot chain line in FIG.
Reference). Thereby, a large number of plug insertion portions 6,
The plug 8 can be connected to 6,. Incidentally, the total capacity of the electric device is equal to the rated capacity (for example, 1500
Within W), up to eight plugs 8 can be connected, including the plug insertion portions 6 and 6 on the front side. At this time, the outlet body 5 is supported on the inner peripheral surface of the guide hole 60 via the slider 54 and also on the inner edge of the access opening 26, so that a large number of plugs 8 and cords 13 are provided.
Even if the weight is applied, there is no stickiness and the plug connection state is stable.

On the other hand, when it is desired to use the outlet main body 5 as a table tap, when the button 7 is pushed up again, the slider 54 and the outlet main body 5 are further pushed forward. The locking claw 7a falls into the locking hole 19 of the slider 54, and locks the outlet main body 5 at that position. In this state, when the outlet main body 5 is gripped by hand and pulled forward, the engaging concave portion 17 of the holding step 5a bends inward, and the engaging convex portion 18 of the slider 54 bends outward. As a result, the engaging projection 18 is disengaged from the engaging recess 17, and the outlet main body 5 and the holding step 5 a are detached from the slider 54. As it is, the outlet body 5 is further opened and closed 26
As shown in FIG. 4, the cord insertion opening 1
The code 13 is pulled out from the code storage unit 25 through 5 and 16. Thus, the outlet main body 5 can be used by placing it on the floor plate 27 without using a commercially available table tap or the like.

When the outlet main body 5 is returned to the access opening 26 after use, the cord 13 is folded by hand and stored in the cord storage section 25 through the cord insertion openings 16 and 15. Then, when the holding step 5a of the outlet main body 5 is pushed into the front opening of the slider 54, the holding step 5a
Is fitted into the engaging projection 18 of the slider 54, and the outlet main body 5 is held at that position. Then, when the button 7 is pushed up while holding the outlet main body 5 by hand, the locking claw 7a is disengaged from the locking hole 19 and the engaged state of the outlet main body 5 is released. When the outlet main body 5 is pushed in while the button 7 is pushed up, the front surface of the outlet main body 5 reaches a position flush with the front surface of the front plate 4. When the button 7 is released, the locking claw 7a engages with the locking hole 21 to lock the outlet main body 5 at that position. In this state, the outlet 1 is used as a normal wall-mounted outlet.

In the above description, the engaging projection 1 of the slider 54 is used.
8 and the engaging concave portion 17 of the holding step 5a.
However, when the plug insertion portions 6 are not provided on the upper and lower surfaces and both side surfaces of the outlet main body 5 and the slider 54 is not used, the engaging recess 17 is formed on the outer peripheral surface of the outlet main body 5. It is also possible to adopt another example of the holding means in which the engaging convex portion 18 that engages with the engaging concave portion 17 is provided on the inner peripheral surface of the guide member 11.

Next, an outlet according to another embodiment is shown in FIG. In the outlet 1a shown in the figure, a main body casing 2a having a longer depth than that of the outlet 1 described above is used, and a cord storage space 25 at the back of the main body casing 2a.
A code winder 28 (another example of the code storage unit according to the present invention) is provided at a. The cord winder 28 includes a base 29, a guide arm 29 a having a code guide hole 30 at an upper part integrally provided at a front end of the base 29, and left and right pivots provided at a rear part of the base 29. Supporting legs 31, 31, a cylindrical rotating shaft portion 32 erected between the pivot supporting legs 31, 31,
A winding core 34 pivotally supported by the rotating shaft 32;
Right and left winding bobbins 33 connected by a winding core 34,
33. A general-purpose coil spring (not shown) that rotationally urges the winding bobbin 33 and the winding core 34 in the cord winding direction (clockwise direction in the drawing) and the cord 13 can be slowly pulled out of the rotating shaft 32. For example, a general-purpose ratchet engaging mechanism (not shown) that allows the take-up bobbin 33 to stop rotating, but allows the return rotation when pulled out and released vigorously is provided. Therefore, this outlet 1a
According to this, the storage of the cord 13 is greatly facilitated by the presence of the cord winder 28, and the usability is improved. A winding handle (not shown) is provided on the front surface of the front plate 4, and the winding handle and the winding bobbin 33 are drivingly connected to each other, so that the cord 13 can be manually operated to handle the cord 13 by a winding operation. Can be wound up.

FIG. 6 shows an outlet according to still another embodiment. The outlet 1b shown in FIG.
It is embedded in (another example of a building) and used. The outlet 1b has a flat panel 35 having a storage opening 41 and fixed to the floor plate 27, a lid 36 for opening and closing the storage opening 41, and a rectangular box-shaped storage space 38.
The main body casing 37 is provided on the lower surface side of the main body, and an outlet main body 42 is mounted so as to be able to be inserted into and removed from the storage space 38 through the access opening 39. Body casing 3
The locking recess 43 formed in the upper front part of the lock 7 is configured to be removably locked with a locking claw (not shown) of the button 40. The position where the lid 36 is flush with the flat panel 35,
The position is fixed at the position where the plug insertion portions 6 and 6 of the outlet main body 42 are exposed. The end of the cord 13 is connected to the plug insertion portions 6 and 6 of the outlet main body 42, and most of the cord 13 is stored in the underfloor space and connected to the power supply. Also in this outlet 1b, the outlet main body 42 is usually mounted in the storage space 38 (FIG. 6).
), The outlet main body 42 can be pulled out from the access opening 39 of the storage space 38 and used.

Next, an outlet according to another embodiment is shown in FIGS. The outlet 1c shown in each figure is
It is designed to be attached to an outlet attachment opening 46 a formed in the wall panel 24. That is, in the outlet 1c, the lid 44 is pivotally supported so as to be able to swing freely through the pivot shaft 45 provided on the wall panel 24 on the side edge of the outlet mounting opening 46a so that the outlet mounting opening 46a can be opened and closed. It is designed to close the lid. Left and right take-up bobbins 48, 48 connected by a take-up core 49 are rotatably supported by a rotating shaft 61 protruding from the back surface of the lid 44. A handle 50 for manual rotation is attached to the center of rotation on the back of the winding bobbin 48. Then, the cord 13 connected to the power supply in the wall panel 24 is once connected to the plug insertion portions 6, 6, 6, and 6 of the lid 44, and further wound via a general-purpose rotating electrode brush (not shown). Core 4
9 is connected to a cord 13 wound around the cable 9. Winding core 4
The distal end of the cord 13 wound around 9 is connected to a plug insertion portion of an outlet main body 51 having a table tap shape. A locking hook 52 protrudes from the back surface of the lid 44 on the swinging end side. On the wall panel 24 on the side edge of the outlet mounting opening 46 a facing the pivot 45, a retaining plate 53 is detachably engaged with the retaining hook 52.

The outlet 1c is normally used by inserting a plug into the plug insertion portion 6 on the front surface in a state where the outlet mounting opening 46a is closed with the lid 44 (the state shown in FIG. 7). When the handle 47 is pulled in using the outlet main body 51, the locking hook 52 is disengaged from the retaining plate 53, and the lid body 44 is opened. Then, the winding bobbin 48 and the outlet main body 51 appear. Therefore, the outlet body 51
Is pulled out by hand, the winding bobbin 48 rotates, and the cord 13
Is delivered. Thereafter, when the handle 50 is manually turned to return the outlet main body 51 after use, the cord 13 is wound around the winding core 49 of the winding bobbin 48. After that, the outlet main body 51 is placed in the outlet mounting opening 46a, and the lid 44 is closed.
Returns to its original state.

In the outlet 1c described above, the cord 13 is wound by turning the winding bobbin 48 by operating the handle 50 by hand. However, the present invention is not limited to this, and the cord winding shown in FIG. Like the machine 28, a coil spring that urges the winding bobbin 48 and the winding core 49 to rotate in the cord winding direction, and allows the winding bobbin 48 to return when the cord 13 is pulled out and released. By disposing the ratchet engagement mechanism in the rotating shaft 61,
The cord 13 can be automatically wound up by a spring biasing force.

[0024]

As described above, the building-embedded outlet according to the present invention can be used as a general-purpose outlet embedded in a building such as a wall or a floor, while being separated from a wall or a floor. If you want to connect the plug at a different place, remove the outlet from the front plate, pull out the cord, and use it as if you were using a power strip. When it is no longer needed, the cord can be stored in the cord storage section in the main body casing, and the outlet main body can be easily returned to the original state simply by being attached to the front plate.
Therefore, even when the plug connection is made at a place away from the front plate, it is not necessary to separately prepare a commercially available table tap or the like. In addition, since the cord can be stored in the main body casing, the appearance is improved, which contributes to organizing the room.

Further, in the case of the structure provided with the pushing means and the locking means, the outlet body is urged forward by the pushing means, and the plug insertion portion on the side of the outlet main body is urged by the locking means. Since the outlet main body is detachably locked at a position exposed from the outlet, any one of the plug insertion portions on the side surfaces including the upper and lower surfaces of the outlet main body can be used. Therefore, many plugs can be connected without using a commercially available multi-port socket.

In the case where the cord storage section is constituted by a cord winder, the cord can be easily rewound by the cord winder when returning the used outlet body and the cord. It can be easily performed.

[Brief description of the drawings]

FIG. 1 is a front view showing a building embedded type outlet according to an embodiment of the present invention.

FIG. 2 is a side sectional view showing a main part of the outlet.

FIG. 3 is a perspective view showing a state where an outlet main body of the outlet protrudes from a front plate.

FIG. 4 is a view showing a use state of the outlet when the outlet main body is removed from a front plate.

FIG. 5 is a side sectional view showing a main part of an outlet according to another embodiment of the present invention.

FIG. 6 is a perspective view showing an outlet according to still another embodiment of the present invention.

FIG. 7 is a front view showing an outlet according to another embodiment of the present invention.

FIG. 8 is a plan view including a partial cross section showing a state in which a lid of the outlet of FIG. 7 is opened.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 1a, 1b, 1c Building-embedded outlet 2, 2a Main body casing 4 Front plate 5 Outlet main body 5a Retaining step 6 Plug insertion section 7a Locking claw 11 Guide member 11a Receiving seat 13 Cord 14 Coil spring 17 Mating recess 18 Engaging projection 20 Locking hole 21 Locking hole 24 Wall panel 25 Code storage section 25a Code storage space 26 Access opening 27 Floor plate 28 Code winder 37 Main body casing 39 Access opening 42 Outlet main body 46, 46a Outlet mounting Opening 51 Outlet main body 54 Slider 57 Holding means 58 Locking means 59 Pushing means

Claims (3)

[Claims] 1. An outlet body having a plug insertion portion at least on a front surface, a front plate fixed to an outlet mounting opening of a building and having an access opening through which the outlet body can enter and exit, and connected to a rear portion of the front plate. Box-shaped main body casing, and a cord having one end connected to the plug insertion portion of the outlet main body and the other end passed through the main body casing and connected to the power supply in the building, and an access opening of the front plate. A building embedded type characterized in that a holding means for detachably holding an outlet body therein and a cord storage section for storing a cord of an appropriate length for pulling out the outlet body from the front plate are provided in a main body casing, respectively. Outlet. 2. A plug insertion part is provided on any one of the side surfaces including the upper and lower surfaces of the outlet main body, and is further provided in the main body casing, and at least pushing means for urging the outlet main body forward. Locking means for detachably locking the outlet body at a position where the front surface of the outlet body and the front plate are substantially flush and at a position where the plug insertion portion on the side of the outlet body is exposed from the front plate. The building-embedded electrical outlet according to claim 1, wherein: 3. The building-embedded outlet according to claim 1, wherein the cord storage section comprises a cord winder.