JP4330655B1 - Outlet - Google Patents

Abstract

Provided is an outlet that does not cause an electric shock even when a conductive member is inserted into one electrode piece insertion port.
An internal connection mechanism (20) accommodated in a housing (10) is connected to a bottom plate (12) of the housing (10), connected to a pair of terminal fittings (21) to which a power line is connected, and connected to each terminal fitting (21). The terminal fitting side conductive piece 22 that can be elastically deformed, the insulating member 23 that is bonded and fixed to the outer surface of the front end of each terminal fitting side conductive piece 22, and the pair of electrode piece insertion holes 13a formed on the front wall 13 are inserted. A pair of electrode fittings 24 that are electrically connected to the electrode pieces 31 of the plug 30 and are disposed corresponding to the pair of electrode piece insertion openings 13a, and electrode fittings that are connected to each electrode fitting 24 Side conductive piece 25 is provided, and with the insertion operation of one electrode piece 31, the other electrode piece 31 and one terminal fitting 21 are electrically connected, and the insertion operation of the other electrode piece 31 is performed. Accordingly, one electrode piece 31 and the other terminal fitting 21 It is adapted to be electrically connected.
[Selection] Figure 9

Description

  The present invention relates to an outlet capable of preventing an electric shock due to a child's mischief.

  The outlets used for the outlets and table taps attached to the lower part of the wall surface of the room are an exterior member formed with a pair of left and right electrode pieces into which the electrode pieces of the plug are inserted, and a pair of electrode piece outlets. A pair of left and right electrodes that are disposed on the inner side of the exterior member corresponding to the electrode member and are electrically connected to the electrode pieces of the plug in contact with the electrode pieces of the plug inserted into the electrode piece insertion port of the exterior member A metal fitting and a pair of terminal metal fittings to which a power supply line is connected, and either one of the electrode metal fittings and one of the terminal metal fittings are electrically connected in advance and the other electrode metal fitting And the other terminal fitting are electrically connected in advance.

Japanese Patent Laid-Open No. 05-144504

  By the way, in the conventional outlet as described above, the electrode fitting that contacts the electrode piece of the plug and the terminal fitting to which the power line is connected are connected in advance, and the pair of electrode fittings always have a predetermined voltage. Therefore, if the child is mischievous and the conductive member is inserted into one of the electrode piece insertion ports of the exterior member, the conductive member may come into contact with the electrode fitting, and the child may have an electric shock.

  Accordingly, an object of the present invention is to provide an outlet that does not cause an electric shock even if a conductive member is inserted into one electrode piece insertion port.

To solve the above problems, the invention according to claim 1, and the package member in which a pair of electrode pieces receptacle is formed in which the electrode strips of the plug is inserted, and a pair of terminal fittings power line is connected, A pair of electrode fittings disposed corresponding to the pair of electrode piece insertion ports, which are electrically connected to electrode pieces of plugs inserted into the electrode piece insertion ports formed in the exterior member; In the outlet provided with the electrode fitting , one electrode fitting is provided with an electrode fitting-side conducting piece extending toward the other electrode fitting, and the other electrode fitting is disposed on the one electrode fitting side. Extending electrode bracket-side conductive pieces are continuously provided, and one of the terminal fittings is elastically deformed by being inserted into one of the electrode piece insertion ports and being pushed by the electrode piece of the plug reaching a predetermined position. Connected to the other electrode fitting. A terminal metal fitting side conductive piece electrically connected to the electrode metal fitting side conductive piece by being in contact with the electrode metal fitting side conductive piece is continuously provided, and the other terminal metal fitting is connected to the other electrode. It is elastically deformed by being pushed into the electrode piece of the plug that has been inserted into the single insertion port and has reached a predetermined position, and comes into contact with the electrode metal piece side conductive piece that is connected to one of the electrode metal fittings. A terminal metal fitting side conductive piece electrically connected to the electrode metal fitting side conductive piece is continuously provided, and the terminal metal piece side conductive piece is pushed by the electrode piece of the plug so as not to directly contact the electrode piece of the plug. parts are insulated, the electrode pieces of the plug plugged into one of the electrode pieces outlet reaches the predetermined position, and the other of said electrode bracket and one of the terminal fittings are electrically connected, whereas Insert the electrode piece into When the plug was pulled out and the electrode piece was retracted from the predetermined position, the other electrode fitting and the one terminal fitting were electrically cut off and inserted into the other electrode piece insertion port. When the electrode piece of the plug reaches a predetermined position, one of the electrode fittings and the other terminal fitting are electrically connected, and the plug inserted into the other electrode piece insertion port is pulled out to remove the electrode piece. It is an object of the present invention to provide an outlet characterized in that one electrode fitting and the other terminal fitting are electrically disconnected when retracted from a predetermined position.

  As described above, in the outlet according to the first aspect of the present invention, when the plug is inserted, the electrode fitting electrically connected to the electrode piece and the terminal fitting connected to the power line are electrically connected in advance. The electrode fitting and the terminal fitting are electrically connected to each other only after the plug is inserted, and with the insertion operation of one electrode piece, One terminal fitting is electrically connected, and as the other electrode piece is inserted, one electrode piece and the other terminal fitting are electrically connected. Just by inserting a conductive member into one insertion port, the conductive member and the terminal fitting are not electrically connected, and the child is mischievous, and the conductive member is inserted into one of the electrode piece insertion ports. There is no risk of electric shock even if .

  In addition, when the plug is not inserted, the pair of electrode fittings and the pair of terminal fittings are electrically disconnected, and no voltage is applied to the pair of electrode fittings. It is possible to reliably prevent a fire accident caused by dust or the like adhering to the electrode fitting.

In particular, outlet This, the pair of electrode fittings and a pair of terminal fittings, mutually contactable electrode metal side conductive pieces and the metal terminal side conductive pieces each consecutively provided, inserted into the electrode piece outlet, predetermined By pressing with the electrode piece of the plug that has reached the position, the terminal fitting side conduction piece is elastically deformed to bring the electrode fitting side conduction piece and the terminal fitting side conduction piece into contact with each other so that they are electrically connected. Therefore, the electric shock prevention function and the fire prevention function described above can be realized at low cost.

  Hereinafter, embodiments will be described with reference to the drawings. As shown in FIGS. 1 and 2, the outlet 1 is used for a table tap, a corner tap, or the like, and an internal connection mechanism 20 is accommodated in a housing 10 formed of plastic.

  As shown in FIG. 2, the housing 10 includes a pedestal 11 having a front wall 13 erected on the front edge of the bottom plate 12, and an upper lid 14. An electrode piece of a plug is inserted into the front wall 13. A pair of electrode piece insertion openings 13a, 13a are formed.

  A pair of reinforcing ribs 13b are formed on both sides of each electrode piece insertion port 13a on the inner surface side of the front wall 13, and a pair of electrode piece insertion ports 13a are formed on the inner surface side of the bottom plate 12 and the upper lid 14. The support blocks 12a and 14a project and support the tip portions of the electrode pieces of the plugs inserted into the plugs 13a.

  As shown in FIG. 3 and FIGS. 5 to 7, the internal connection mechanism 20 is a pair of terminal fittings to which terminal screws 21 a and 21 a for connecting power lines are fixed, which are fixed to the bottom plate 12 of the base 11. 21, 21 and terminal fittings 21 and 21, which are connected to the respective terminal fittings 21 and 21 and extend to the inside of the support blocks 12a and 14a. Insulating members 23 and 23 that are bonded and fixed to the outer surfaces of the front end portions of the side conductive pieces 22 and 22, respectively, and electrodes of plugs inserted into a pair of electrode piece insertion ports 13a and 13a formed on the front wall 13 of the base 11 A pair of electrode fittings 24, 24 disposed corresponding to the pair of electrode piece insertion openings 13 a, 13 a that are electrically connected to the piece, and electrode fittings connected to the respective electrode fittings 24, 24 respectively Side conduction piece 25, 2 The terminal fitting 21 provided with the terminal fitting side conductive piece 22 and the electrode fitting 24 provided with the electrode fitting side conductive piece 25 are both formed by cutting and bending a copper plate. Has been.

  Each of the terminal fitting side conductive pieces 22 and 22 is bent at the base end portion so that the tip end faces slightly outside (support block 12a and 14a side), and is insulated and fixed to the tip end. The members 23 and 23 come into contact with the support blocks 12a and 14a.

  The insulating member 23 is a resin molded body in which side plates 23b and 23c are connected to both side edges of the substrate 23a. As shown in FIG. 7, one insulating member (left side toward the outer surface of the front wall 13) is used. 23, the inner surface of the side plate 23b is adhesively fixed to the outer surface of the terminal metal fitting side conductive piece 22, and the other (the outer surface of the front wall 13). In the insulating member 23 on the right side of the side plate 23b, the inner surface of the side plate 23b is bonded and fixed to the outer surface of the terminal fitting side conductive piece 22 with the tip of the other terminal fitting side conductive piece 22 placed on the substrate 23a. ing. In addition, the electrode piece of the plug inserted into the electrode piece insertion port 13a is connected to the support blocks 12a and 14a on the side plate 23b on the support block 12a and 14a side which is bonded and fixed to the terminal metal fitting side conductive piece 22. In order to guide it in between, the front end side is bent inward.

  The electrode fitting 24 is composed of a pair of sandwiching pieces 24a and 24a arranged to face each other with an interval slightly smaller than the thickness of the electrode piece of the plug, and the plug inserted into the electrode piece insertion port 13a. These electrode pieces are inserted between the pair of sandwiching pieces 24a, 24a and brought into contact with the sandwiching pieces 24a, 24a so that they are electrically connected. It should be noted that the pair of sandwiching pieces 24 a, 24 a has the front end side outward so that the electrode piece of the plug inserted into the electrode piece insertion port 13 a is securely inserted between the pair of sandwiching pieces 24 a, 24 a. Is bent.

  One electrode bracket-side conducting piece 25 (on the left side toward the outer surface of the front wall 13) has one end connected to the upper end of one electrode bracket 24, and once extends to the rear side above one insulating member 23. After that, the L-shaped portion 25a extending to the support block 14a side and the bent portion 25b hanging from the other end edge of the L-shaped portion 25a are configured. The bent portion 25b is the other (on the outer surface of the front wall 13). The other side of the insulating member 23 is inserted between the side plate 23c and the terminal fitting side conductive piece 22 so as to be opposed to the terminal fitting side conductive piece 22 on the right side).

  On the other hand, one end side of the other (right side toward the outer surface of the front wall 13) electrode piece side conductive piece 25 is connected to the lower end of the other electrode fitting 24, and below the other insulating member 23. After extending to the rear side, the L-shaped portion 25a extending toward the support block 12a and a bent portion 25b rising from the other end of the L-shaped portion 25a are formed. It enters between the side plate 23c of one insulating member 23 and the terminal metal part conduction piece 22 so as to face the terminal metal part conduction piece 22 on the left side (to the outer surface of the wall 13) with a slight gap. It is out.

  In order to assemble the outlet configured as described above, as shown in FIG. 8 (a), insulation is provided at the distal end portions of the terminal fitting side conductive pieces 22, 22 connected to the pair of terminal fittings 21, 21. After the members 23 and 23 are bonded and fixed, the side plates 23c and 23c of the respective insulating members 23 and 23 are placed between the side plates 23b and 23c of the other insulating members 23 and 23 as shown in FIG. As shown in FIG. 5 (c) and FIG. 5, the bent portions 25b, 25b of the electrode fitting side conductive pieces 25, 25 connected to the respective electrode fittings 24, 24 are connected to the other insulating members 23, 23. The terminal fittings 21 and 21 are fixed at predetermined positions on the bottom plate 12 of the pedestal 11 while being fitted between the side plates 23c and 23c and the other terminal fitting side conductive pieces 22 and 22, respectively. Bracket side conductive piece 25 25 of L-shaped portion 25a, a 25a, in a state of being positioned on the bottom plate 12 of the upper lid 14 and the pedestal 11, when accommodated in the housing 10, thereby completing outlet 1 shown in FIG.

  When the plug is inserted into the outlet 1 configured as described above, the electrode pieces 31 and 31 of the plug 30 are electrically connected to the pair of electrode fittings 24 and 24 as shown in FIGS. In addition to being connected, the electrode pieces 31 and 31 are inserted between the side plates 23b and 23b of the pair of insulating members 23 and 23 and the support blocks 12a and 14a, respectively. , 22 are elastically deformed, and one (left side toward the outer surface of the front wall 13) terminal fitting side conductive piece 22 is connected to the other (right side toward the outer surface of the front wall 13) electrode fitting 24. One terminal fitting 21 to which the power supply line is connected and the other electrode fitting 24 are electrically connected to each other (the outer surface of the front wall 13). Terminal bracket side conductive piece 2 on the right) Is in contact with the bent portion 25b of the electrode fitting-side conductive piece 25 connected to one electrode fitting 24 (on the left side toward the outer surface of the front wall 13) and the other terminal fitting 21 to which the power line is connected. Since it is electrically connected to one electrode fitting 24, power is supplied to the plug 30. At this time, the side plate 23c of the elastic member 23 bonded and fixed to one terminal fitting side conduction piece 22 contacts the bent portion 25b of the electrode fitting side conduction piece 25 connected to one electrode fitting 24, and the other When the side plate 23c of the elastic member 23 bonded and fixed to the terminal metal fitting side conductive piece 22 contacts the bent portion 25b of the electrode metal piece side conductive piece 25 connected to the other electrode metal piece 24, the electrode metal piece side conductive piece 25 is provided. 25, the bending portions 25b and 25b of the first and second terminal metal fittings side conductive pieces 22 and 22 are connected to the other and one electrode metal fitting 24, respectively. The bent portions 25b and 25b are surely brought into contact with each other, and the one and other terminal fittings 21 and the other and one electrode fitting 24 are reliably electrically connected.

  Further, in the outlet 1, when the plug 30 is not inserted, as shown in FIGS. 7A to 7C, the electrode fitting-side conductive pieces 25, 25 connected to the electrode fittings 24, 24 are provided. The terminal fittings 21 and 21 connected to the power supply lines are not electrically connected to the terminal fitting-side conductive pieces 22 and 22, respectively, and no voltage is applied to the pair of electrode fittings 24 and 24. Therefore, it is possible to reliably prevent an ignition accident caused by dust or the like adhering to the electrode fittings 24 and 24 viewed from the electrode piece insertion openings 13a and 13a.

  Further, in the outlet 1, as described above, the other electrode piece 31 and the one terminal fitting 21 are electrically connected with the insertion operation of the one electrode piece 31, and the difference between the other electrode piece 31 is connected. With the insertion operation, one electrode piece 31 and the other terminal fitting 21 are electrically connected to each other, so that as shown in FIGS. Just by inserting the conductive member M into the insertion port 13a, the conductive member M and the terminal fitting 21 are not electrically connected, and a child is mischievous, and either one of the electrode piece insertion ports 13a is inserted. Even if the conductive member M is inserted, no voltage is applied to the conductive member M, and there is no fear of electric shock. In particular, when the conductive member M inserted into the electrode piece insertion port 13a does not reach the support blocks 12a, 14a and the side plates 23b, 23b of the insulating members 23, 23, voltage is applied to any of the electrode fittings 24, 24. There is nothing.

  In the above-described embodiment, the terminal fitting 21 provided with the terminal fitting-side conduction piece 22 and the electrode fitting 24 provided with the insulating member 23 and the electrode fitting-side conduction piece 25 are used as constituent elements. It is not limited, With the insertion operation of one electrode piece 31, the other electrode piece 31 and one power line are electrically connected, and with the insertion operation of the other electrode piece 31, If the electrode piece 31 and the other power supply line are electrically connected, various configurations can be employed.

  In the above-described embodiments, the outlets adopted for table taps, corner taps, etc. have been described. However, the present invention is not limited to this, and the present invention is also applicable to outlets that are fixedly installed on indoor walls or floors. It goes without saying that it can be applied.

It is a fragmentary perspective view which shows one Embodiment of the outlet socket concerning this invention. It is a partial exploded perspective view which shows an outlet socket same as the above. It is a fragmentary top view which shows the state which removed the upper cover in the same outlet socket. It is a partial front view which shows an outlet socket same as the above. It is a perspective view which shows the internal connection mechanism which comprises the outlet socket same as the above. It is a disassembled perspective view which shows an internal connection mechanism same as the above. 3A is a cross-sectional view taken along line XX in FIG. 3, FIG. 3B is a cross-sectional view taken along line YY in FIG. 4, and FIG. 4C is a cross-sectional view taken along line ZZ in FIG. It is. (A)-(c) is explanatory drawing for demonstrating the assembly process of an outlet socket same as the above. (A)-(c) is sectional drawing corresponding to FIG. 7 (a)-(c) which shows the state which inserted the plug in the outlet socket same as the above. (A)-(c) is sectional drawing corresponding to FIG. 7 (a)-(c) which shows the state which inserted the electroconductive member in any one electrode piece insertion port of the same outlet.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Outlet 10 Housing 11 Base 12 Bottom plate 12a Support block 13 Front wall 13a Electrode piece insertion port 14 Upper cover 14a Support block 20 Internal connection mechanism 21 Terminal metal fitting 21a Terminal screw 22 Terminal metal fitting side conduction piece 23 Insulating member 23a Substrate 23b, 23c Side plate 24 Electrode bracket 24a Clamping piece 25 Electrode bracket side conduction piece 25a L-shaped portion 25b Bending portion 30 Plug 31 Electrode piece M Conductive member

Claims (1)

An exterior member formed with a pair of electrode piece insertion ports into which the electrode pieces of the plug are inserted;
A pair of terminal fittings to which power lines are connected;
A pair of electrode fittings disposed corresponding to the pair of electrode piece insertion ports, which are electrically connected to electrode pieces of plugs inserted into the electrode piece insertion ports formed in the exterior member; In the outlet with
One of the electrode fittings is provided with an electrode fitting-side conducting piece that extends toward the other electrode fitting, and the other electrode fitting has an electrode fitting-side conducting piece that extends toward one of the electrode fittings. Are connected,
One of the terminal fittings is elastically deformed by being inserted into one of the electrode piece insertion ports and pushed by the electrode piece of the plug that has reached a predetermined position, and is connected to the other electrode fitting. By contacting the electrode fitting side conduction piece, the terminal fitting side conduction piece that is electrically connected to the electrode fitting side conduction piece is continuously provided,
The other terminal fitting is inserted into the other electrode piece insertion port, is elastically deformed by being pushed by the electrode piece of the plug reaching a predetermined position, and is connected to the one electrode fitting. By contacting the electrode fitting side conduction piece, the terminal fitting side conduction piece that is electrically connected to the electrode fitting side conduction piece is connected,
The terminal metal part side conductive piece is insulated from the portion pressed by the electrode piece of the plug so as not to directly contact the electrode piece of the plug,
When the electrode piece of the plug inserted into one of the electrode piece insertion holes reaches a predetermined position, the other electrode fitting and one of the terminal fittings are electrically connected, and one of the electrode piece insertion openings When the plug inserted in is pulled out and the electrode piece is retracted from a predetermined position, the other electrode fitting and one terminal fitting are electrically cut off,
When the electrode piece of the plug inserted into the other electrode piece insertion port reaches a predetermined position, one of the electrode fittings and the other terminal fitting are electrically connected, and the other electrode piece insertion port When the plug inserted in is pulled out and the electrode piece is retracted from a predetermined position, the one electrode fitting and the other terminal fitting are electrically cut off.

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