JP2002367740A - Multiple plug outlet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a multiple plug outlet which can effectively reduce an area of a power-supply unit. SOLUTION: With the multiple plug outlet with a first, a second and a third conductive pieces 2, 3, 4 of a power-supply unit combined in suitable positions on a pedestal body 1 having receptacle baths 11, the insertion-connection structure constituted by the first, second and third conductive pieces 2, 3, 4 has multi-directional selectivity, and that, parts fitted separately such as switch units, power source indicating lamps, or protection covers are good for multiple uses.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multiple outlet, and more particularly, to a modularized base, in which a plurality of conductive pieces of a power supply unit are combined at appropriate positions, thereby forming an insertion connection structure formed by the conductive pieces. A switch unit that has multi-directional selectivity and is provided separately,
The present invention relates to a multiple outlet of an externally-connected high-power unit capable of effectively reducing the volume of a power supply unit because components such as a power supply indicator and a protective cover are compatible with multiple units.

[0002]

2. Description of the Related Art A so-called external power supply unit is often found in an extension cord outlet. A general extension cord outlet is a pair or more expandable outlets, the basic form of which is a design in which a large number of insertion holes are installed on the outlet body and the corresponding switch unit is combined, forming a continuous switch outlet I have.

[0003] A large number of insertion hole base modules are installed on the main body of the outlet, and each insertion hole base module corresponds to one set of switch units. In some types of the switch unit, a power indicator is provided inside the switch button. Further, the switch body has an overload protection function, and the switch unit controls conduction of the power of the corresponding insertion hole base.

[0004] The components of the conventional extension cord switch outlet of the prior art are provided with convenience, and an independently molded insertion hole module and switch unit are used. Thereby, it can be directly incorporated into the outlet body. Also, a series or parallel conductive piece of a fire wire and a ground is provided in the outlet main body, and the insertion hole base module and the conductive contact of the switch unit are connected to each other.

[0005] However, while independently molded insertion hole modules and switch units are advantageous for assembling into an outlet body, there are many limitations with this type. First, the insertion hole base module and the switch unit each have a considerable volume, and the outlet main body requires a certain volume because they are incorporated. Therefore, miniaturization is difficult.

Next, since the switch unit is a standard product in a fixed form, when a power indicator or an overload protector is installed, the arrangement of the conductive lines cannot be changed according to the prescribed type. Therefore, it is difficult to design the outlet main body and the insertion hole base module in an advantageous manner, and the entire outlet product cannot be separated from the conventional type. That is, all of the conventional products are similar or not close to each other and cannot be said to have market competitiveness.

[0007]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to utilize a modularized base and combine a plurality of conductive pieces of a power supply unit at appropriate positions, thereby forming an insert formed by the conductive pieces. The connection structure has multi-directional selectivity, and the separately installed switch unit, power indicator, protective cover, and other parts are compatible with multiple components, so the volume of the power supply unit can be reduced effectively. Is to provide.

[0008]

In order to solve the above problems, the present invention provides the following double outlet. Three sets of conductive pieces into which conductors are inserted and connected are mounted on the base of the multiple outlet, and the base has at least two or more housing layers, and a separate assembly outside the housing layer. Is molded.

The first conductive piece of the three conductive pieces is a piece that straddles each of the storage tanks in the lateral direction, and is positioned on the assembly outside the storage tank. The second conductive piece is an independent piece of the same number as the storage tank, and each piece has an insertion connection portion formed therein, provided in the storage tank of the base body, and a contact connection end extending separately. The third conductive piece is a piece that straddles each set housing tank in the lateral direction, and has an insertion connection portion corresponding to the set housing tank.

[0010] Each of the set housing tanks of the base is provided with an insertion connection portion for the second conductive piece and an insertion connection portion for the third conductive piece, respectively, and an area for plug insertion connection is formed. And the contact connection end extending from the second conductive piece in each set storage tank,
An area which is close to, but does not make contact with or connects to the first conductive piece, is formed between each contact connection end and the first conductive piece to be simultaneously contacted and connected to a separately provided conductive component. A switch for opening and closing the circuit is formed on the switch unit, and a conductive unit can be combined with a switch unit capable of interlocking with the switch unit in a different form. Each is connected to a length of contact leg. The power indicator can be installed at any position.

Further, the pedestal cover is installed corresponding to the storage tank of the pedestal, and covers the pedestal, and the lid surface is provided at each of the insertion connection portions of the second conductive piece and the third conductive piece in each set storage tank. , An insertion hole or an open space provided for passage of the plug insertion leg is provided. In addition, an appropriate raised wall is formed on the top surface of the pedestal and on the side of the pedestal, whereby a protective cover is attached.The protective cover is located between the outlet case and the pedestal, and a safety protective cover structure is provided. Form.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the multiple outlet according to one embodiment of the present invention includes a base 1, a first conductive piece 2, a second conductive piece 3, and a third conductive piece 4. The pedestal 1 is positioned by mounting three sets of conductive pieces of a conductor into which the common unit is inserted and connected, and the three sets of conductive pieces are a first conductive piece 2, a second conductive piece 3, and a third conductive piece. 4.

The pedestal 1 has at least two sets of storage tanks 11.
And the storage tank 11 has two areas. Moreover, one side of each storage tank 11 is provided with the second conductive piece 3 and the third conductive piece 4
Corresponding to the positions of the insertion connection portions 31 and 41,
An insertion hole 111 (or open space) is provided for passage of the plug insertion leg. On the outer side of the base 1 opposite to the storage tank 11, an assembled body 12 is formed by stretching.

The first conductive piece 2 is a rectangular piece that straddles each storage tank 11 of the base 1 in the lateral direction, and is positioned on the assembly 12 outside the storage tank 11 of the base 1. The second conductive piece 3 is the same number of independent pieces as the storage tank 11, and each piece has an insertion connection portion 31.
Is molded and provided in a certain area in the storage tank 11 of the base 1. The insertion connection part 31 has many insertion openings in different directions, and the contact connection end 32 extends separately from the second conductive piece 3. Contact points 321 and 21 are provided at positions corresponding to the contact connection end 32 and the two pieces of the first conductive pieces, and contact the conductive pieces 8.

The third conductive piece 4 is a piece that straddles each set housing tank 11 in the lateral direction, and the piece corresponds to a section on the opposite side of each set housing tank 11, and another insertion connection portion 41 is formed. ing. The insertion connection portion 41 has a number of insertion ports in different directions. Next, as shown in FIG. 2, an insertion connection portion 31 of the second conductive piece 3 and an insertion connection portion 41 of the third conductive piece 4 are provided in two sections in each set storage tank 11 of the base body 1. I have. In this way, an area where the plug can be inserted and connected is formed. In this combined form, the contact connection end 32 where the second conductive piece 3 in each set housing tank 11 extends is mutually connected to the first conductive piece 2. Adjacent but not in contact. Such a design forms the base module of the outlet with the switch contact points, allows the selection of the mounting of various accessories and can create various changes.

First, when the base module is used to form an extension cord switch outlet together with other accessory parts, a pedestal 5 can be separately installed, and a switch unit 6, a power indicator light 7, an outlet, a lower case A, B is possible (the figure shows an example). As shown in FIG.
The pedestal lid 5 is installed corresponding to the storage tank 11 of the pedestal 1 and covers the pedestal 1. On the cover surface, the second conductive piece 3 in each set accommodation tank 11,
An insertion hole 51 (or an open space) is provided corresponding to the position of each of the insertion connection portions 31 and 41 of the third conductive piece 4 to pass through the plug insertion leg. A corresponding conductive component 8 is separately provided between each contact connection end 32 extending from the second conductive piece 3 and the first conductive piece 2. This conductive part 8 forms an area to be contacted at the same time, and becomes a switch that can open and close the circuit. The conductive parts 8 cooperate with each other corresponding to the switch unit 6, and the switch unit 6 can be designed in various different types.

In addition, the power indicator 7 is interconnected to the second and third conductive strips 3 and 4 by two contact legs 71 of appropriate length. When conducting, it is turned on by the circuit.
The power indicator 7 is fixed at a fixed position regardless of the type, and is appropriately provided corresponding to the base 5 or the outlet, the lower cases A and B, and fitted at an arbitrary position. Therefore, by using the extending contact leg 71 and simply connecting the second conductive piece 3 and the third conductive piece 4 to each other, it is possible to combine them at various positions. Further, it can be integrally molded inside the outlet lower case B, and the base lid 5 can also be integrally formed on the inner bottom surface of the upper outlet case A.

The shapes of the base 1 and the base lid 5 are also shown in each figure as long as they are a combination of a closed lid covering the first conductive piece 2, the second conductive piece 3, and the third conductive piece 4. Thus, it can be changed appropriately. As shown in FIG. 4, a guard wall 13 is formed on the outer edge of the assembled body 12 of the base body 1, and a cutout 131 is provided on the guard wall 13. A tank area 14 is formed between the assembly 12 and the storage tank 11, and the power indicator 7 is provided on the top surface of the lid 5. Thereby, the contact leg 71 penetrates the lid and extends downward.

Also, the shapes of the first conductive piece 2 and the second conductive piece 3 can be changed. The first conductive piece 2 has a contact connection end 22 having a contact point 21 extending therefrom, and a contact connection end 22 of the first conductive piece 2 and a contact connection end 32 of the second conductive piece 3.
Correspond to each other in isolation. The contact connection ends 22, 32
Are provided vertically, and the contact connection end 32 of the second conductive piece 3 is connected to the conductive component 8. The opposite end of the conductive part 8 has a contact point 81, and the contact point 2 of the contact connection end 22 of the first conductive piece 2
Corresponds to 1 and assumes a state of normal contact. Alternatively, the conductive part 8 is also connected to the contact connection end 22 of the first conductive piece 2, or the conductive part 8 is fully active and takes the form of a directed reciprocating movement. Thus, the contact connection end 22,
At the same time, the interlocking part 9 is provided to contact with or separate from the part 32 (not shown).

That is, as shown in FIG. 5, the conductive component 8 is provided in the base body 1 according to the above configuration. Conductive parts 8
Is provided in the tank area 14 between the assembly body 12 and the storage tank 11, and the contact connection end 22 of the first conductive piece 2 and the contact connection end 32 of the second conductive piece 3 are Corresponding to Moreover, the interlocking component 9 is fitted into the notch 131 on the guard wall 13 at the outer edge of the assembly 12, and the inner end thereof is connected to the conductive component 8. The outer end is slightly exposed, and the top surface is closed by a pedestal 5 having a power indicator light 7. The power supply indicator 7 penetrates the contact leg 71 of the lid 5 and is connected to the second conductive piece 3 and the third conductive piece 4. This forms another type of basic module having the power indicator light 7 and capable of opening and closing the power supply and having a switching action.

Using the above-mentioned other basic module having the multi-function, the switch unit 6 is formed by making full use of the interlocking component 9, moving and interlocking the conductive component 8, and controlling the opening of the power supply. Make a difference. As shown in each figure, the light transmitting cover 72 provided on the outlet upper case component A corresponds to the power indicator 7 on the base lid 5 shown in FIG. 5, and the light of the power indicator 7 is visible from outside. It is.

As shown in FIGS. 6 and 7, the switch unit 6 employs a button design which is positioned at a general pressing position and immediately pushed back when pressed. The button design is outer button body 6A, inner button body 6B,
It has a resilient part 6C, the button design being provided on the positive (top) surface of the outlet, the inner button body 6B pressing the exposed outer end of the interlocking part 9.

In the embodiment shown in FIGS. 8 and 9, the switch unit 6 has an outer button body 6A, an inner button body 6B, and a resilient component 6C in the same button design as in the above embodiment.
It is provided on the side of the outlet. Figures 10 and 11
In the embodiment shown in FIG. 5, the switch unit 6 has a double button design, and one button controls the return after the other button is pressed. The switch unit 6 is a button body 6
D, 6E, holding pieces 6F, 6G, positioning plate 6H, elastic parts 6I, double button design is installed on the positive (top) surface of the outlet, but it can also be installed on the side of the outlet, The exposed outer end of the interlocking component 9 is pressed by the piece 6F.

In the embodiment shown in FIGS. 12 and 13, the switch unit 6 is a seesaw type button design, having a button body 6J, a resilient part 6K, and a pin tube 6L, and the button design is made on the positive (top) surface of the outlet. Is provided. The exposed outer end of the interlocking component 9 is pushed by the column tube 6J1 below the elastic component 6K.

In the embodiment shown in FIGS. 14 and 15, the switch unit 6 is a seesaw-type button design provided on the side of the outlet. The bottom surface of the button body has a pressure-resisting piece 6M having an arc-shaped concave edge 6M1, and the exposed outer end of the interlocking component 9 is pressed by the arc-shaped concave edge 6M1.

In the embodiment shown in FIGS. 16 and 17, the switch unit 6 is a laterally movable button design provided on the positive (top) surface of the outlet. A swash plate 6N is formed below the button body, and the exposed outer end of the interlocking component 9 is pressed. In the embodiment shown in FIGS. 18 and 19, the switch unit 6 has a laterally movable button design as in the above-described embodiment. In many cases, the pressing surface 60 extends on the side, forming a double-sided button. A swash plate 6N is molded below the button body,
The exposed outer end of the interlocking part 9 is pressed.

In the embodiment shown in FIGS. 20 and 21, the switch unit 6 has a laterally movable button design that is installed on the side of the outlet. A push plate 6P is formed on the inner surface of the button, and the exposed outer end of the interlocking component 9 is pushed by the bottom edge. In the embodiment shown in FIGS. 22 and 23, the switch unit 6 is a rotary dial design provided on the outlet (top) surface. A semi-cylindrical column 6Q is formed under the button body, and the exposed outer end of the interlocking component 9 is pressed.

The embodiment shown in FIGS. 24 and 25 is a rotary dial design in which the switch unit 6 is provided on the outlet (top) surface. The button body has a repelling bar 6R, and a semi-cylindrical column 6Q is formed below the button body, and the exposed outer end of the interlocking component 9 is pressed.

In the embodiment shown in FIGS. 26 and 27, the switch unit 6 is of a rotary dial design provided on the side of the outlet. A hollow tube 6S is molded on the inner surface of the button, and a multiple arc concave edge 6S1 is formed at the bottom end of the tube.
The exposed outer end of the interlocking part 9 is pressed to form a continuous dial.

In the embodiment shown in FIGS. 28 and 29, the switch unit 6 has an oscillating pendulum design, has a rod 6T, a resilient part 6U, and a pin tube 6V, and has a positive outlet (top).
It is provided on the surface. The exposed outer end of the interlocking component 9 comes into contact with and resists by the pin tube 6V below the elastic component 6U.

In the embodiment shown in FIGS. 30 and 31, the switch unit 6 has a swinging pendulum design provided on the side of the outlet. The bottom of the pendulum design has a concave edge 6 on the bottom side.
The recessed edge 6W1 and the plate edge are in contact with the exposed outer end of the interlocking part 9 and resist.

In the embodiment shown in FIG. 32, the top of the base 1 is covered and the top surface of the base 5 facing the storage tank 11 and the base 1 are covered.
Suitable raised walls 15 and 52 are formed on the outer surface of the storage tank 11 to form a storage area. As a result, the protective cover 10 that directly blocks the insertion holes 111 and 51 is attached, and the outlet case is further combined. Thus, the protective cover 10 is located between the outlet case and the base 1.

Guard blocks 16, 53 are provided on the top surface of the pedestal 5 in the walls 15, 52 and on the outer surface of the pedestal 1.
1 and contact resistance with each other. The walls 15 and 52 in which the storage area of the protective cover 10 is formed are directly molded on the inner bottom surface of the outlet upper case part A.

[0034]

As described above, the present invention has various advantages. 1. External power supply unit (extension cord outlet, etc.)
In the product, it is possible to select the multi-directional insertion of the power plug. 2. It is possible to effectively reduce the volume of the outlet and retain the small volume module while adding a switch unit.

3. The conductive piece of the present invention can be further formed by extending a control area for opening the outlet circuit, and the power supply to the outlet can be controlled by external contact parts of any type of switch unit. 4. The switch structure is thin and small, can be changed variously, and has no adverse effect on safety at all, because it is not subject to the high restrictions of the conventional switch unit.

5. The switch position of the extending power supply unit has multiple variations. 6. The switch style and configuration of the extending power supply unit can optionally be varied. 7. A sandwich layer space is provided at the insertion hole position of the outlet,
Thus, various types of insertion hole protection covers can be selected and used for mounting.

8. Since the sandwiched space provided at the insertion hole position of the outlet has an open form during the assembling process, it is very easy to attach the protective cover. 9. The outlet body has a power indicator function, which is a selective function, and the installation position of the power indicator can be varied.

10. Even between the multiple outlets, since the conductive piece is integrally formed, the situation of poor connection never occurs. 11. It is possible to provide a faster assembly process during the manufacturing process of the outlet.

12. In the circumscribed power supply unit, since diversified production is facilitated, it is possible to completely remove the modeling of the conventional product. 13. Due to the modularization function, the mounting of a large number of accessory parts is optional and the product level can be easily divided.

That is, the multiple outlet provided by the present invention uses a multiple base, and appropriately combines a plurality of conductive pieces of the power supply unit to form a modular combination system. The insertion connection structure formed by the structure and installation of the conductive piece has multi-directional selectivity.
In addition, since accessory parts such as a switch unit, a power indicator, and a protective cover which are installed correspondingly are diversified, the volume of the power supply unit and the manufacturing process can be effectively reduced. Furthermore, the overall standard has a completely high industrial utility value.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing the structure of module components of a multiple outlet according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing the structure of module components of the multiple outlet according to the first embodiment of the present invention.

FIG. 3 is an exploded perspective view showing a multiple outlet according to a second embodiment of the present invention.

FIG. 4 is an exploded perspective view showing a multiple outlet according to a third embodiment of the present invention.

FIG. 5 is an exploded perspective view showing a multiple outlet according to a fourth embodiment of the present invention;

FIG. 6 is a perspective view showing a state where a switch unit is combined with a module of a multiple outlet according to a fifth embodiment of the present invention.

FIG. 7 is a sectional view showing a state where a switch unit is combined with a module of a multiple outlet according to a fifth embodiment of the present invention;

FIG. 8 is a perspective view showing a state where a switch unit is combined with a module of a multiple outlet according to a sixth embodiment of the present invention.

FIG. 9 is a sectional view showing a state where a switch unit is combined with a module of a multiple outlet according to a sixth embodiment of the present invention.

FIG. 10 is a perspective view showing a state where a switch unit is combined with a module of a multiple outlet according to a seventh embodiment of the present invention.

FIG. 11 is a sectional view showing a state where a switch unit is combined with a module of a multiple outlet according to a seventh embodiment of the present invention;

FIG. 12 is a perspective view showing a state where a switch unit is combined with a module of a multiple outlet according to an eighth embodiment of the present invention;

FIG. 13 is a sectional view showing a state where a switch unit is combined with a module of a multiple outlet according to an eighth embodiment of the present invention.

FIG. 14 is a perspective view showing a state where a switch unit is combined with a module of a multiple outlet according to a ninth embodiment of the present invention;

FIG. 15 is a sectional view showing a state where a switch unit is combined with a module of a multiple outlet according to a ninth embodiment of the present invention.

FIG. 16 is a perspective view showing a state where a switch unit is combined with a module of a multiple outlet according to a tenth embodiment of the present invention;

FIG. 17 is a sectional view showing a state where a switch unit is combined with a module of a multiple outlet according to a tenth embodiment of the present invention;

FIG. 18 is a perspective view showing a state where a switch unit is combined with a module of a multiple outlet according to an eleventh embodiment of the present invention.

FIG. 19 is a sectional view showing a state where a switch unit is combined with a module of a multiple outlet according to an eleventh embodiment of the present invention.

FIG. 20 is a perspective view showing a state where a switch unit is combined with a module of a multiple outlet according to a twelfth embodiment of the present invention;

FIG. 21 is a sectional view showing a state where a switch unit is combined with a module of a multiple outlet according to a twelfth embodiment of the present invention.

FIG. 22 is a perspective view showing a state where a switch unit is combined with a module of a multiple outlet according to a thirteenth embodiment of the present invention;

FIG. 23 is a sectional view showing a state where a switch unit is combined with a module of a multiple outlet according to a thirteenth embodiment of the present invention;

FIG. 24 is a perspective view showing a state where a switch unit is combined with a module of a multiple outlet according to a fourteenth embodiment of the present invention;

FIG. 25 is a sectional view showing a state where a switch unit is combined with a module of a multiple outlet according to a fourteenth embodiment of the present invention;

FIG. 26 is a perspective view showing a state where a switch unit is combined with a module of a multiple outlet according to a fifteenth embodiment of the present invention;

FIG. 27 is a sectional view showing a state where a switch unit is combined with a module of a multiple outlet according to a fifteenth embodiment of the present invention;

FIG. 28 is a perspective view showing a state where a switch unit is combined with a module of a multiple outlet according to a sixteenth embodiment of the present invention;

FIG. 29 is a sectional view showing a state where a switch unit is combined with a module of a multiple outlet according to a sixteenth embodiment of the present invention;

FIG. 30 is a perspective view showing a state where a switch unit is combined with a module of a multiple outlet according to a seventeenth embodiment of the present invention;

FIG. 31 is a sectional view showing a state where a switch unit is combined with a module of a multiple outlet according to a seventeenth embodiment of the present invention;

FIG. 32 is a perspective view showing a state where a protective cover is combined with a module of a multiple outlet according to an eighteenth embodiment of the present invention;

[Explanation of symbols]

 Reference Signs List 1 body 2 first conductive piece 3 second conductive piece 4 third conductive piece 5 lid 6 switch unit 7 power indicator light 8 conductive part 9 interlocking part 11 housing tank 12 assembly 15 wall 31 insertion connection 32 contact Connection end 41 Insertion connection part 51 Insertion hole 52 Wall 71 Contact leg 81 Contact point A Outlet upper case part B Outlet lower case part

Claims (13)

[Claims] 1. A base, a first conductive piece, a second conductive piece,
A third conductive piece, wherein the base has at least two or more sets of housing layers, and an assembly body is installed outside the housing layer, and the first conductive piece is each of the bases. In a piece that straddles the set storage tank in the lateral direction, it is positioned on the assembled body outside the storage tank of the base, and the second conductive piece is an independent piece of the same number as the storage tank,
Each of the pieces is provided with an insertion connection portion, provided in the storage tank of the base body, the contact connection end is extended, and the third conductive piece is a piece that straddles each of the set storage tanks in the lateral direction. An insertion connection portion is formed corresponding to each of the set storage tanks, and each of the set storage tanks of the base is provided with an insertion connection portion of the second conductive piece and an insertion connection portion of the third conductive piece, respectively. An area for plug insertion connection is formed, and the contact connection end extending from the second conductive piece in each of the group storage tanks is close enough to not contact and connect to the first conductive piece,
A multiple outlet, wherein an area for simultaneously contacting and connecting to a conductive component is formed between each contact connection end of the second conductive piece and the first conductive piece. 2. The multiple outlet according to claim 1, wherein a cover is provided in each set storage tank of the base, and the base covers the base. 3. The apparatus according to claim 1, wherein the base is integrally formed inside the case component under the outlet.
The described double outlet. 4. The multiple outlet according to claim 1, wherein the base is formed integrally with a bottom surface inside the outlet upper case component. 5. The base body or the base lid corresponds to the positions of the insertion connection portion of the second conductive piece and the insertion connection portion of the third conductive piece in each of the set storage tanks, and The multiple outlet according to claim 1 or 2, wherein an insertion hole or an open space used for passage is formed. 6. The multiple outlet according to claim 1, wherein the insertion connection portion of the second conductive piece and the insertion connection portion of the third conductive piece both have insertion openings in various directions. 7. A contact point is provided on both a contact connection end of the second conductive piece and a piece of the first conductive piece, and the contact point is contacted and connected to the conductive component. The dual outlet according to claim 1. 8. The conductive component reciprocates in a fixed direction, contacts or separates from each contact connection end of the first conductive piece and the second conductive piece, and establishes a contact point at the contacting end. The dual outlet according to claim 1, wherein the outlet is provided. 9. The multiple outlet according to claim 8, wherein an interlocking component is provided corresponding to the conductive component, and the conductive component and the interlocking component contact and interlock with each other. 10. The multiple outlet according to claim 9, wherein the interlocking component contacts and interlocks with different switch units. 11. The second conductive piece and the third conductive piece are interconnected with two contact legs of a predetermined length of a power indicator light, and a light body of the power indicator light is located at an arbitrary position. The dual outlet according to claim 1, wherein the outlet is provided. 12. A protection cover for forming a storage area by forming a raised wall on an outer surface of the storage tank of the base and a top surface of the base lid, and a protective cover for blocking the insertion hole is provided. The multiple outlet according to claim 5, characterized in that: 13. The multiple outlet according to claim 12, wherein the raised wall is formed directly on an inner bottom surface of the outlet upper case part.