JPS6326973A - Wall plug socket - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a wall outlet, and particularly to a wall outlet used inside a house.

``Prior Art'' Conventionally, so-called embedded wall sockets, in which a socket is fixed to the wall of the house, have been widely known as sockets used inside a house, and they can be attached to various electrical devices. The electrical device is used as a power source by inserting a plug into the socket.

"Problems to be Solved by the Invention" The present invention aims to solve the following problems in the conventional technology described above.

In other words, when using the above-mentioned recessed wall outlet with electrical equipment, the usable range of the electrical equipment is limited by the length of the power cord attached to the electrical equipment. The problem is that the

Especially wall outlets installed indoors! The above-mentioned problems are noticeable because the power cord is often installed in the corner of a room, and the length of the power cord installed in household electrical equipment is short.

In order to solve these problems, generally, an extension cord or the like is connected to the socket, and an electric device is connected to the extension cord to expand the range of use thereof.

However, with this method, if the extension cord is left connected to the socket, it will get in the way after using the electrical equipment, so it is better to remove it from the socket and store it somewhere else. need to be taken out again, which causes new problems such as making the use of electrical equipment more complicated and causing loss of extension cords.

"Means for Solving the Problems" The present invention aims to provide a wall outlet that can effectively solve the problems in the conventional technology described above. a casing that is attached to the casing, a reel installed in the casing, a support plate that is integrally attached to the casing and rotatably supports the reel, and a sliding contact provided between the support plate and the reel. a power cord wound around the reel and having one end electrically connected to a sliding contact on the reel side; and a power cord having one end electrically connected to the other end of the casing. a socket exposed to the outside from one side; a locking mechanism for removably fixing the socket to the casing; It is characterized by comprising an operating mechanism for rotating in the picking direction.

"Function" The wall outlet according to the present invention moves the power supply point to a position away from the wall by releasing the locking of the socket by the face plate locking mechanism and then pulling out the socket. Expanding the usable range of
After use, the reel is rotated by the operating mechanism, the pulled out power cord is stored in the casing, and the socket is locked by the locking mechanism.
The power cord and socket are housed in a casing.

"Example" Hereinafter, the present invention will be explained based on one embodiment not shown in the drawings.

In FIGS. 1 and 2, the reference numeral I indicates a wall outlet according to this embodiment, and a casing 2 attached to a wall W.
, a reel 3 installed in the casing 2, a support plate 4 that is integrally attached to the casing 2 and rotatably supports the reel 3, and the support plate 4 and the reel 3 A power cord 6 is wound around the reel 3 and has one end electrically connected to the sliding contact 5a on the reel 3 side. , a socket 7 that is electrically connected to the other end of the power cord 6 and exposed to the outside from one side of the casing 2, and a locking member that removably fixes the socket 7 to the casing 2. It is generally constituted by a stop mechanism 8 and an operating mechanism 9 that is provided between the casing 2 and the reel 3 and rotates the reel 3 at least in the winding direction of the power cord 6.

Next, to explain these details, the casing 2 is formed in a box shape, and is embedded inside the wall W so that the side surface thereof is exposed on the surface of the wall W. Fixed by Furthermore, a through hole 2a is formed in a side surface located within the wall W, through which an electric wire IO disposed within the wall W is passed.

The reel 3 has a rotating shaft 11 integrally attached to its center. Two annular sliding contacts 5a are attached concentrically so as to surround (2).

One end of a power cord 6 wound around the reel 3 is passed through the boss portion of the reel 3 and electrically connected to these sliding contacts 5a.

A pair of support plates 4 are provided so as to be located on both sides of the reel 3 (only one is shown in the figure).
, on the inner surface of the casing 2, from the side surface facing the side surface exposed to the outside from the wall W to approximately the center position of the casing 2, and each support plate 4 has a length extending from the side surface facing the side surface exposed to the outside from the wall W. It is fixed by a bolt 12 so as to protrude toward the center of the casing 2. Further, the casing 2 is attached to both support plates 4.
A suppression rod 1 that is slidable along the direction toward the center of the
3 is fitted in such a way that its one end protrudes from the protruding end of the support plate 4, and a bearing 14 that rotatably supports the rotating shaft 11 is attached to one end of the press rod 13.
are integrally attached, and a stopper 15 having a larger diameter than the pressing rod 13 is integrally attached to the other end.
The stopper 15 is brought into contact with a stepped portion 4a formed inside the support plate 4, so that the pressing rod I
3 from separating from the support plate 4. Furthermore, the support plate 4 and the suppression robed 13
A coil spring 16 is interposed between the stopper 15 and the face plate pressing rod 13 in the projecting direction.
It is designed to be fired towards the exposed side of the weapon.

Furthermore, as shown in FIG. 1, one support plate 4 is provided with a sliding contact 5b that is electrically contacted with each of the pair of annular sliding contacts 5a provided on the reel 3. Each sliding contact 5b is connected to a rotating roller I7 made of a conductive material and a swinging arm 18 that rotatably supports the rotating roller 17 and is electrically connected to the rotating roller 17. The swing arm 18 is rotated by a biasing member (not shown).
By being ejected toward the recording reel 3, the rotating roller 17 is brought into pressure contact with the sliding contact 5a of the recording reel 3. Furthermore, a conducting wire 19 is embedded in one of the support plates 4 as shown by the chain line in FIG. It is designed to electrically connect with. And the connection terminal 20.2
1 is connected to an electric wire 10 drawn into the casing 2, whereby the power cord 6 is electrically connected to the electric wire IO.

The locking mechanism 8 includes a storage hook 22 fixed to the casing 2 and into which the socket 7 is detachably inserted;
It is swingably attached in the storage box 22, and when the socket 7 is pushed into the storage box 22,
A locking arm 23 that is engaged with the socket 7, and a locking arm 23 that is interposed between the locking arm 23 and the storage box 22,
a coil spring 24 that swings the face plate locking arm 23 in a direction to lock it in the socket 7; and the storage box 2.
a coil spring 25 that is mounted in the locking arm 2 and urges the socket 7 in a direction to protrude outward from the side surface of the casing 2 that is exposed to the outside;
3, and is rotatably connected to the storage box 22.
and a protrusion 26 that protrudes to the outside from a side surface exposed to the outside of the casing 2.

The coil spring 25 is formed to have a smaller elastic force than the coil spring 24 that urges the face plate t-arm 23, and both springs 24
- The socket 7 is locked in the storage hook 22 by the locking arm 23 due to the balance of the elastic force of the locking arm 23. Further, the storage box 22 is formed with an rr through hole 22a through which the power cord 6 connected to the socket 7 is inserted.

On the other hand, inside the casing 2 near the through hole 22a of the storage box 22, a stopper 27 through which the first power cord 6 is inserted and a guide roller 28 are installed in the vicinity of the stopper 27. , the casing 2 of the socket 7 is brought into contact with the contact member integrally attached to the vicinity of the socket 7 of the power cord 6.
In addition, when the angle of entry into the storage box 22 changes due to a change in the lower winding iY of the power cord 6 on the reel 3, , is provided to guide the power cord 6 and facilitate its withdrawal.

The operating mechanism 9 includes a support roller 29 rotatably supported on the inner surface of the casing 2 and brought into contact with the circumferential surface of the reel 3, and a support plate 30 that rotatably supports the support roller 29. , the support plate 30
and the support roller 29, and an operating rod 32 screwed onto the one-way clutch 31.

The one-way clutch 31 is configured to restrict the direction of rotation of the support roller 29 so as to allow the reel 3 to rotate only in the direction in which the power cord 6 is pulled out.

Further, the operating rod 32 rotatably penetrates a side surface of the casing 2 that is not exposed to the outside and protrudes to the outside, and a bendable operating lever 33 is attached to the protruding end of the operating rod 32. is installed.

On the other hand, in this embodiment, another support roller 3 is provided in the casing 2 and is brought into contact with the circumferential surface of the reel 3 at a position spaced apart from the support roller 29 and the bearing 14.
4 are attached, and these support rollers 29, 3
4 supports the elastic force t11 of the coil spring 16 applied to the rotating shaft 11, so that the reel 3 is held in a fixed position.

Furthermore, the reference numeral 35 in FIGS. 1 and 2 is rotatably attached to the side surface exposed to the outside of the casing 2, and the control lever 3
3. This shows the cover that covers 3.

Therefore, the wall outlet l of this embodiment configured in this way can be used to connect the socket 7 to As shown in FIGS. 1 and 2, it is used in the same way as a normal electrical outlet while being locked in a casing 2.

If the power outlet and the location of the electrical device are far apart by more than the length of the attached cord, use the operating rod 3.
2 to swing the locking arm 23 to release the locking of the socket 7 by the locking arm 23, and then,
By pulling out the socket 7 from the casing 2 by the required length, the power supply position is extended, thereby making it possible to use the electrical equipment at the desired position.

When the power cord 6 is pulled out, the reel 3 around which the power cord 6 is wound is pulled out from the pressing rod 1.
3. Coil spring 16 and both support rollers 29.3
4, and the one-way clutch 31 allows rotation of the power cord 3 in the above-mentioned drawing direction, and the winding radius of the power cord 6 changes as the drawing progresses. Therefore, even if the intrusion angle of the power cord 6 into the storage box 22 changes, the power cord 6 is guided to the storage box 22 by the guide roller 28, so that a smooth pulling operation can be achieved.

On the other hand, after use, the power cord 6 and socket 7
When storing the reel 3, rotate the cover 35 in the opening direction, raise the operating lever 33, rotate the operating rod 32 with the operating lever 33, and move the reel 3 to the right via the support roller 29. The socket 7 may be rotated in the removal direction, a part of the socket 7 may be fitted into the storage box 22 by this operation, and then the socket 7 may be further pushed into the storage box 22.

With this operation, the power cord 6 that has been pulled out is stored inside the casing 2, that is, inside the wall, and
The socket 7 is supported by the locking mechanism 8 and is in the same state as a normal electrical outlet.

Therefore, the usable range of the electrical equipment is greatly expanded, and the power cord 6 serving as an extension cord is inevitably kept in a fixed location at all times, eliminating problems such as loss.

In addition, as shown in the above example? 5 The shapes and dimensions of the component H are merely examples, and can be variously changed based on the structure of the wall to be installed, design requirements, etc.

For example, when reel 3 is exposed from the wall of the casing,
The socket 7 may be attached to the surface so that it can be pulled out, and not only the side surface but also a part of the casing 2 including the side surface may be exposed from the wall so that the socket 7 can be pulled out from the wall. The socket may be arranged on an exposed surface perpendicular to the side surface. Furthermore, as an operating mechanism, a helical spring is interposed between the rotating shaft and the casing, and when the power cord is pulled out, the helical spring is deformed in the direction of contraction and ratcheted into the contracted state. etc., and when storing it,
By releasing the ratchet, the reel may be rotated in the winding direction by the elastic force of the helical spring to store the power cord or the like.

"Effects of the Invention" As explained above, the wall outlet according to the present invention includes a casing that is attached to a wall, a reel that is mounted inside the casing, and a reel that is integrally attached to the casing and that allows the reel to freely rotate. a sliding contact provided between the supporting plate and the reel; a sliding contact wound around the reel and having one end electrically connected to the sliding contact on the reel side; a power cord; a socket electrically connected to the other end of the power cord and exposed to the outside from one side of the casing; and a locking mechanism that removably fixes the socket to the casing. and an operating mechanism provided between the casing and the reel to rotate the reel at least in the winding direction of the power cord, and the device is characterized by an operation mechanism that is provided between the casing and the reel, and that allows the power cord to be used with an outlet and an electric device. If the location is further away than the length of the supplied cord, the power extraction location can be extended by pulling the socket and power cord out of the casing for the required length, thereby allowing the electrical equipment to be installed at the desired location. After use, the reel is rotated in the winding direction by the operating lever mechanism, the power cord that has been pulled out is stored inside the casing, that is, inside the wall, and the socket is locked. The lightning cord is supported by a mechanism to make it in the same state as a normal electrical outlet, and as a result, the lightning cord is always stored in the same place, which eliminates problems such as loss. It has a great effect.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a vertical cross-sectional side view showing the state where the device is attached to a wall, and FIG. 2 is a front view. l...Wall outlet, 2...Casing, 3...
- Reel, 6... Power cord, 7... Socket, 8... Locking mechanism, 9... Operating mechanism.

Claims (1)

[Claims] A casing that is attached to a wall, a reel that is installed in the casing, a support plate that is integrally attached to the casing and rotatably supports the reel, and a support plate that is provided between the support plate and the reel. a sliding contact, a power cord wound around the reel and having one end electrically connected to the sliding contact on the reel side, and electrically connected to the other end of the power cord, and A socket exposed to the outside from one side of the casing, a locking mechanism that removably fixes the socket to the casing, and a locking mechanism provided between the casing and the reel to connect the reel to at least the power source. A wall outlet comprising an operating mechanism that rotates the cord in the winding direction.