JP3536623B2 - 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.

[0002]

2. Description of the Related Art There are various types of contacts of a plug connected to an outlet, such as a flat blade and a conductive pin. In general, a plug having a conductive pin-type contact cannot be connected to an outlet for a flat blade. Therefore,
When an electric device is used in a country or a region where the specifications of outlets are different, for example, an adapter for converting a contact made of a blade into a contact made of a conductive pin is required.

[0003]

As described above, in order to enable use of electric equipment in countries and regions having different specifications of outlets, outlets corresponding to a plurality of types of contacts having different shapes are separately provided. Or, the above-mentioned adapter has to be used, so that there is a problem that it is very inconvenient to use and takes much time for construction.

An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide an outlet that can be connected to a plurality of types of contacts having different shapes and that can be easily installed.

[0005]

In order to achieve the above object, the invention of claim 1 has a unit size of up to three which can be mounted on a mounting frame standardized for an embedded wiring device. A body formed to the size of one wiring device and having engaging claws protruding on both side surfaces capable of engaging with mounting holes provided in the mounting frame; One or more contact insertion holes into which a plurality of different types of contacts are inserted; a terminal portion which is housed inside the housing and has a terminal piece to which an external electric wire is connected; and a terminal portion which is inserted into the contact insertion hole. and contacting the child receiving portion which is OsameSo inside the terminal portion and electrically connected and the device body contacts with conducting a plurality of kinds of contacts that the front
Cover with a contact insertion port on the
A plurality of storage recesses in which the terminals are stored at least inside
And is assembled with the cover to form a body
Body and the inner surface of the body and cover
Projecting and concave when the body and cover are assembled.
An isolating piece that separates each storage recess of the body by convex fitting
A terminal piece connected to the electric wire, and an electric wire
Lock spring and press the terminal piece to the wire.
Release button to deflect the locking spring in the pressure release direction
The terminal section is constituted by a quick-connecting terminal structure provided,
Forming a locking spring fitting portion which is opened upward on the piece,
The lock spring fitted into the lock spring fitting portion from above
At the upper end, attach the lower end of the lift prevention rib
It is characterized by being arranged close to each other, and it is possible to connect a plurality of types of contacts having different shapes such as a flat blade and a conductive pin, etc., and to share the mounting frame with the embedded wiring device. It can be embedded in a wall or the like, which facilitates construction. Insulation between adjacent terminals is also possible by using isolation pieces.
And compared with screw type terminal structure
The exposed parts are not exposed, ensuring safety in construction.
And the wires can be connected easily and securely.
Uniform connection and reduced construction work, and terminal strips on the body
After installing the lock, check whether the lock spring
Lock spring can be incorporated to facilitate assembly.
In addition, the lifting prevention rib makes the chain
The lifting of the lock spring can be prevented.

[0006]

Figure 1 DETAILED DESCRIPTION OF THE INVENTION is an exploded perspective view showing an implementation form of the present invention, the synthetic resin vessel body 1 in assembled frame 4,4 to the body 1a and the cover 1b of Ryakuhakogata Assembled and assembled. On the front surface of the cover 1b, a projecting base 2 is integrally provided, and on the front surface of the projecting table 2, a pair of contact insertion holes 3, 3 for inserting contacts such as a blade and a conductive pin are provided. These contact insertion holes 3 have a shape that can accommodate various contacts such as a flat blade and a substantially cylindrical conductive pin, that is,
The rectangular hole 3a into which the plug blade is inserted and the circular hole 3b into which the conductive pin is inserted are formed in a shape integrally communicating with each other. Then, the contact receiving portion 1 that is in contact with and conducts with the contacts (such as a blade or a conductive pin) inserted into the contact insertion openings 3 and 3.
1 is housed inside the body 1.

[0007] A substantially U-shaped assembly frame 4 is fitted to shoulders on both sides of the protruding base 2, respectively.
The engaging claws 4a, 4a formed at both ends of the body 1a engage with the stepped portions 5 formed on the side surface of the body 1a, and the cover 1b and the body 1a are fixed by the assembly frame 4. Here, the body 1 has a unit size (one module size) of one unit-size wiring device that can be mounted on a mounting frame standardized for an embedded wiring device. ), And a pair of engaging claws 4 b that can be engaged with the mounting holes provided in the mounting frame are provided at both ends of the assembly frame 4. The assembling frame 4 is provided with a pair of locking holes 4c, 4c in which the locking claws of the mounting frame are locked when mounted on the metal mounting frame.

On the other hand, the body 1a is provided with a pair of recesses 6 and 6 in the longitudinal direction, and the contact receiving portions 11 are accommodated in the recesses 6 and 6 respectively. In addition, the recess 6,
Numeral 6 is isolated by a plate-shaped body-side isolation piece 7 protruding from the bottom surface of the body 1a. 2 and 4, a support rib 27 is provided at the bottom of the body 1a, and an electric wire insertion port 25 communicating with each of the recesses 6, 6 is provided.
And a release button 1 to be described later by inserting a jig such as a driver.
A release button operation hole 26 for operating the shutter 5 is opened. Further, a release button storage concave portion 28 is provided below the support rib 27 in the concave portions 6 and 6 of the body 1a, and the release button 15 is stored slidably in the lateral direction.

The terminal portion 12 is a terminal piece 1 connected to an electric wire.
3a, a locking spring 14 for press-connecting the electric wire to the terminal strip 13a, and a release button 15 for bending the locking spring 14 in the pressure-releasing direction to disconnect the terminal strip 13a from the electric wire. It has a quick-connecting terminal structure. Here, in this embodiment, the terminal piece 13a of the terminal portion 12 and the contact receiving portion 11 are integrally formed by bending a single metal plate to form a blade receiving spring as shown in FIG. Block 10 is constituted.

The contact receiving portion 11 includes a pair of conductive pin blade receiving springs 11a, 11a protruding from the bottom piece 10a and opposed to each other, and a pair of conductive pin blade receiving springs 11a, 11a.
Of the conductive pin blade receiving springs 11a, 1
1a, a conductive pin blade receiving spring 1
Blade receiving spring 11b for a blade protruding at right angles to 1a, 11a
And Accordingly, a cylindrical conductive pin is inserted between the pair of opposing conductive pin blade receiving springs 11a, 11a to connect the blade receiving spring block 10 and the conductive pins, and the pair of conductive pin blade receiving springs. 11a,
The flat blade is inserted between the end of the blade 11a and the blade receiving spring 11b, and the blade receiving spring block 10 and the blade are connected. The blade receiving spring 11b for a blade has a projection 11c for preventing the blade from coming off.

Here, the blade receiving springs 11a, 11 for the conductive pins are provided.
a is inclined so that the distance between them becomes narrower as the distance increases, and the distance between the upper ends is increased so that the distance increases as the distance increases so that the conductive pins can be easily inserted. In addition, the blade receiving spring 11 for the plug blade
Also, b is inclined so as to approach the conductive pin blade receiving springs 11a, 11a as it goes upward, and conversely, its upper end is inclined so as to move away from the conductive pin blade receiving springs 11a, 11a as it goes upward. This facilitates insertion of the blade.

On the other hand, the blade receiving spring 11b for the blade of the bottom piece 10a
Projecting piece 16 from both sides of the side edge from which
The contact piece 16a protrudes upward from the both pieces 16 at right angles to the piece 16 and faces the side edge of the bottom piece 10a from which the blade receiving spring 11b for the blade protrudes. The rising piece 13 protrudes from the side edge, and the rising piece 1
3 are bent into L-shape to form terminal strips 13a. The contact piece 16a located on both sides of the blade receiving spring 11b for the blade via a gap and the terminal pieces 13a located at both ends of the rising piece 13 face each other. A locking spring fitting portion 34 that opens upward is formed between the locking spring 34 and the piece 13a.

The lock spring 14 is fitted into the lock spring fitting portion 34 having the above-described structure, and the lock spring 14 is fitted into the terminal piece 13a.
The lock piece 14a and the contact piece 14b provided on the front face each other. The locking piece 14a and the contact piece 14b are formed at both ends of the central piece 14c by bending both ends of the strip of conductive material having elasticity. The lock piece 14a is inclined in a direction approaching the terminal piece 13a from the connection portion with the central piece 14c toward the distal end edge, and the contact piece 14b is bent in a substantially S shape. Also,
The central piece 14c is formed in a substantially flat plate shape and has a contact piece 16a.
Abut. As shown in FIG. 6, the lock piece 14a and the contact piece 14b of the lock spring 14 and the blade receiving spring block 10
When the electric wire 50 is inserted between the terminal piece 13a and the terminal piece 13a, the tip of the locking piece 14a bites into the electric wire 50 to prevent the wire 50 from coming off, and the electric wire 50 is fixed by the locking piece 14a and the contact piece 14b. , Electrical connection (connection) between the electric wire 50 and the terminal strip 13a is achieved. Here, the inner surface of the terminal strip 13a is knurled, so that the contact stability of the electric wire 50 at the time of pressure welding is achieved. The release button 15 is operated by a jig such as a driver and slid through the release button operation hole 26 to deflect the lock piece 14a of the lock spring 14 in the pressing release direction, and to release the lock piece 14a. The distal end is separated from the electric wire 50 to release the connection between the terminal strip 13a and the electric wire 50.

When the blade spring block 10 is incorporated into the body 1a, the locking spring 14 may be incorporated in advance, but the lower part of the blade spring block 10 is incorporated into the recess 6 of the body 1a from above. Later, lock spring 1
4 may be incorporated into the locking spring fitting portion 34 of the blade receiving spring block 10 from above. By incorporating the locking spring 14 after incorporating the lower part of the blade receiving spring block 10 into the concave portion 6 of the body 1a in this manner, automatic assembling can be easily performed and assemblability is improved. Before the blade receiving spring block 10 is assembled into the body 1a, a release button 15 is attached to the body 1a from above.
It is stored in the release button storage recess 28 formed therein. Then, the lower part of the blade receiving spring block 10 is
When fitted inside, the bottom piece 10a is placed on the support rib 27, and the bottom piece 10a is located immediately above the release button 15 and serves as a ceiling of the release button storage recess 28.
Then, by incorporating in this manner, the release button 15 is located below the conductive pin blade receiving springs 11a, 11a, and the release button 15 is arranged beside the conductive pin blade receiving springs 11a, 11a. As compared with the case, the protrusion in the lateral direction is small and the size can be reduced.

As described above, the blade receiving spring blocks 10, 10
After being assembled in the body 1a so as to be accommodated in the recesses 6 and 6, the cover 1b is joined from the opening side of the body 1a to form the body 1 as described above, and the contact receiving portions 11, 11 are formed. And the contact insertion holes 3, 3 provided on the front surface of the cover 1b. Thus, even if different kinds of contacts, such as a blade or a conductive pin, are inserted into the contact insertion openings 3, 3, the contacts are in contact with the contact receiving portion 11 stored inside the body 1. It is connected, and it is possible to support a plurality of types of contacts with one outlet.

In addition, in the state where the body 1 is assembled, the lifting prevention rib 35 provided on the cover 1b is in close proximity to the upper end of each locking spring 14 of the terminal portion 12, so that the electric wire is inserted as shown in FIG. When the electric wire 50 is inserted through the opening 25, the lock spring fitting portion 34 is opened upward, so that the lock spring 14 can be prevented from rising upward.

Meanwhile, a cover-side separating piece 9 protrudes from the inner surface of the cover 1b along the width direction. A fitting groove 9a is formed at the tip of the cover-side separating piece 9 so as to fit into the tip of the body-side separating piece 7 in an uneven manner. Therefore, when the body 1 is constructed by assembling the body 1a and the cover 1b, the tip of the body-side separating piece 7 fits into the fitting groove 9a of the tip of the cover separating piece 9, as shown in FIG. These integrated body side isolation piece 7 and cover side isolation piece 9
Thus, the charged portions (terminal portion 12 and contact receiving portion 11) adjacent in the longitudinal direction are completely separated from each other, and insulation between the charged portions can be secured.

As described above, according to this embodiment, a plurality of types of contacts having different shapes, such as a flat blade and a cylindrical conductive pin, are inserted into the same contact insertion port 3 and connected. In addition, since the mounting frame can be shared with the embedded wiring device, the embedded frame can be embedded and installed on a wall surface or the like, which facilitates construction. Further, the terminal portion 12 to which the external electric wire 50 is connected is provided.
As a quick connection terminal structure, compared to the screw type terminal structure, the charged part is not exposed, so the safety in construction can be secured, and since the wires can be connected easily and securely, uniform connection And the construction can be saved .

[0019]

According to the first aspect of the present invention, up to three unit-sized wiring devices can be mounted on a mounting frame standardized for embedded wiring devices. In addition, a container body having engagement claws protruding on both side surfaces thereof, which can be engaged with a mounting hole provided in the mounting frame, and a plurality of types of contacts provided in a front surface of the container body and having different shapes are inserted. A plurality of contact insertion ports, a terminal portion which is housed inside the housing and has a terminal piece to which an external electric wire is connected; A contact receiving part electrically connected to the part and housed inside the body, a cover provided with a contact insertion port on the front face,
Plural pieces that are formed in a shape and accommodate at least the terminal part inside
With a storage recess and assembled with the cover
The body that forms the body, and the inner surface of the body and cover
And when the body and cover are assembled
Mating with each other to isolate each storage recess of the body
A terminal strip to be connected to the electric wire,
A lock spring that presses and connects an electric wire to a child piece, a terminal piece and an electric wire
Bend the lock spring in the pressure release direction to disconnect the
The terminal portion is configured by a quick-connecting terminal structure having a release button.
And a locking spring fitting that opens upward into the terminal strip.
And fitted into this lock spring fitting part from above
Lifting prevention rib provided on the cover at the upper end of the locking spring
Since the lower ends of the two are close to each other, it is possible to connect a plurality of types of contacts having different shapes, such as a flat blade and conductive pins, and to share the mounting frame with the embedded wiring device. There is an effect that it can be buried in a wall or the like to facilitate construction. Also adjacent by isolation pieces
Insulation between terminals can be achieved, and screw type terminal structure
The safety of construction is lower because the live parts are not exposed compared to
As well as easy and reliable connection of electric wires.
The effect is that uniform wiring and reduced construction can be achieved.
is there. In addition, lock the terminal strip after incorporating it into the body.
Install the locking spring from the upper opening of the fitting
Can be easily assembled and prevent lifting
Rib prevents lifting of lock spring when connecting wires
There is an effect that can be.

[Brief description of the drawings]

1 is an exploded perspective view showing an exemplary shape condition.

FIG. 2 is a partially broken side view of the same.

FIG. 3 is a front view showing a state in which the cover is removed.

FIG. 4 is a rear view of the above.

FIG. 5 is a perspective view of the blade receiving spring block in the above.

FIG. 6 is a side view of the blade receiving spring block in the same .

[Explanation of symbols]

1 body 1a body 1b Cover 3 Contact insertion port 10 Blade spring block 11 Contact receiver 12 Terminal section 13a Terminal strip 14 Lock Spring 15 Release button

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-7-106031 (JP, A) JP-A-7-230843 (JP, A) JP-A-62-123676 (JP, A) JP-A-7-123 106030 (JP, A) JP-A-6-290835 (JP, A) JP-A 54-20393 (JP, U) JP-A 3-76369 (JP, U) JP-A 56-81 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) H01R 13/35 H01R 25/00

Claims (1)

(57) [Claims] 1. A wiring unit having a unit size capable of being mounted on a mounting frame standardized for an embedded wiring device and having a unit size of up to three, and provided on the mounting frame. A container having engaging claws capable of engaging with the mounting hole projecting from both side surfaces, and one or more contact insertion holes provided on a front surface of the container and into which plural kinds of contacts having different shapes are inserted; A terminal part having a terminal piece that is housed inside the body and to which an external electric wire is connected, and that is electrically connected to the terminal part while making contact with a plurality of types of contacts inserted into the contact insertion slot. And a contact receiving part to be housed inside the body and a contact on the front surface
With a cover with an insertion hole,
Both have a plurality of storage recesses in which the terminals are stored
And a body that is assembled with the cover to form a body
Protruding from the inner surface of the body and cover.
At the time of assembling the body and cover.
With an isolating piece to isolate each storage recess of the body,
Terminal piece to be connected to the wire and press-fit the wire to this terminal piece
To disconnect the connecting lock spring and the terminal strip from the wire
A release button for bending the locking spring in the pressure release direction.
The terminal part is composed of a quick-connecting terminal structure,
A locking spring fitting portion which is opened to the locking spring.
At the upper end of the locking spring fitted into the fitting part from above
Closely oppose the lower end of the lift prevention rib provided on the cover
An outlet characterized by being made to let .