JP2008269941A - Magnet type electric outlet adapter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a magnet type electric outlet adapter capable of easily connecting an adapter and a plug at a plug side with the adapter at an outlet side. <P>SOLUTION: The magnet type electric outlet adapter is provided with a first adapter half body 2 having a first plug section A where a pair of plug blades 4 connected with the outlet are projected, and a first receptacle section B where a through-hole 8 inserted by a pair of terminal pins 7 is arranged, and a second adapter half body 3 having a second plug section C where a pair of terminal pins 7 are projected, and a second receptacle section D having a blade receiving section for receiving a plug blade of the plug connected with an external load. The first adapter half body 2 and second adapter half body 3 are detachably connected by magnetic attractive force acting between a magnet 6 prepared on the first receptacle section B and a magnetic attracting piece 14 prepared on the second plug section C, and the first receptacle section B is arranged so that an angle made by a normal line direction of its bottom face section 3b and an inserting and pulling-out direction of the plug blade 4 is set up to be an obtuse angle. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a magnetic outlet adapter that is interposed between an outlet and a plug that can be connected to the outlet, and enables the outlet and the plug to be magnetically connected.

  Conventionally, using a magnet is weaker than a general outlet in order to prevent the cord from being disconnected when an external force is applied to the cord of the plug, or to prevent the electrical device to which the cord is connected from falling. Magnetic outlets are used in which the plug is removed from the outlet by the pulling force, but these magnetic outlets have a special shape, unlike ordinary outlets. Was necessary. Therefore, in order to obtain the same function as a magnetic outlet without performing electrical work, a magnetic outlet adapter is provided that is interposed between the outlet and the plug so that they can be magnetically attached. Some are disclosed in Document 1.

  In this conventional example, as shown in FIG. 6, the first adapter half 100 connected to the outlet 105 provided on the wall surface and the plug 107 connected to an external load (not shown) are connected. The first adapter half body 100 includes a pair of plug blades 102 that can be connected to an outlet port 106 of an outlet 105 provided on a wall surface on one surface side. The first plug portion a and an insertion hole (not shown) through which the pair of terminal pins 103 are inserted are provided on the other surface side, and the terminal pin 103 and the plug blade 102 are inserted through the insertion holes. A second receptacle half 101 having a pair of terminal pins 103 on one surface side. Plug part c and other side 107 has a second receptacle part d to which the plug plug blade 108 can be connected and is electrically connected to the second plug part c, and the first adapter half body 100 and the second adapter half body 101 are connected to each other. They are coupled by a magnetizing force acting between a magnet (not shown) provided in the first receptacle part b and a magnetized piece 104 provided in the second plug part c.

Further, in the container body of the first adapter half body 100, one surface of the first plug portion a provided with the plug blade 102 and one surface of the first receptacle portion b provided with the insertion hole are orthogonal to each other. When the first adapter half body 100 is connected to an outlet 105 provided on the wall surface, the one surface of the first receptacle part b faces the ground. Thus, the magnet type outlet adapter becomes compact as a whole, and the amount of protrusion from the wall surface can be suppressed.
Japanese Patent Laying-Open No. 2005-243312

  However, in the conventional example, since the one surface of the first receptacle part b is disposed so as to face the ground, the second adapter half 101 and the plug 107 are coupled to the first adapter half 100. At this time, there is a problem that it is difficult to connect the plug 107 because the hand has to be turned around from the ground side and coupled.

  The present invention has been made in view of the above points, and an object of the present invention is to provide a magnetic outlet adapter that can easily connect a plug-side adapter and a plug to an outlet-side adapter.

  In order to achieve the above-mentioned object, the first plug part in which a pair of plug blades that can be inserted into and removed from an existing outlet is provided on one side and a pair of terminal pins are inserted on one side. A first adapter half comprising a first receptacle part having a terminal part through which an insertion hole is provided and which electrically connects a terminal pin inserted through the insertion hole and the plug blade. Body, a second plug part having a pair of terminal pins electrically connectable to the terminal part of the first receptacle part, and a second plug part electrically connected to the second plug part and inserted into and removed from the outlet A second adapter half having a second receptacle part having a blade receiving part for receiving a plug plug blade provided on a possible plug, and the first adapter half and the first adapter half The adapter provided on either one of the two adapter halves This is a magnetic outlet adapter in which the second adapter half is detachably coupled to the first adapter half by a magnetizing force acting between the net and a magnetized piece made of a magnetic material provided on the other side. The first receptacle portion is arranged such that an angle formed between the normal direction of the one surface and the insertion / removal direction of the plug blade is an obtuse angle.

  According to a second aspect of the present invention, in the first aspect of the invention, the second adapter half is characterized in that the outer shell of the container body is covered with a soft resin material.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, in the first adapter half body, the terminal portion of the first receptacle portion and the terminal pin of the second plug portion are electrically connected. It is characterized by having a display unit for displaying the above.

  The invention of claim 4 is the invention according to any one of claims 1 to 3, wherein the first adapter half is a second adapter half of the second adapter half when the second adapter half is coupled. It is characterized by comprising a wall portion that forms a recess into which the plug portion is fitted, and the wall portion is made of a translucent material.

  According to the first aspect of the present invention, the first receptacle portion is formed with the normal direction of one surface through which the insertion hole through which the terminal pin is inserted and the insertion / extraction direction of the plug blade inserted / extracted into the existing outlet. Since the angle is arranged to be an obtuse angle, compared to the case where the first receptacle part is arranged so that the normal direction and the insertion / extraction direction coincide with each other, the amount of protrusion in the horizontal direction can be suppressed, Compared to the case where the first receptacle part is arranged so that the angle between the normal direction and the insertion / extraction direction is a right angle or an acute angle, the second adapter half and the plug are connected to the first adapter half. It can be easily attached and detached.

  According to the second aspect of the present invention, since the outer shell of the second adapter half is covered with the resin material having flexibility, the second adapter is removed from the first adapter half by pulling the cord of the plug. When removing the half body and the plug, it is possible to prevent the second adapter half body from being shocked when it is accidentally dropped on the ground.

  According to the invention of claim 3, it can be visually confirmed whether or not the terminal part of the first receptacle part and the terminal pin of the second plug part are electrically connected.

  According to the invention of claim 4, the second adapter half can be accurately coupled to the first adapter half by the wall portion. Further, since the wall portion is made of a light-transmitting material, it can be visually confirmed whether or not the terminal pin of the second plug portion is securely coupled to the insertion hole of the first receptacle portion.

  Hereinafter, embodiments of a magnetic outlet adapter according to the present invention will be described with reference to the drawings. In this embodiment, as shown in FIGS. 1 to 3, a pair of plug blades 4 that can be inserted into and removed from an outlet (not shown) of an outlet (not shown) provided on a wall surface are provided on one side. The first plug portion A and an insertion hole 8 through which a pair of terminal pins 7 are inserted are provided on one surface, and the terminal pin 7 inserted through the insertion hole 8 and the plug blade 4 are electrically connected. The first receptacle part B having a first receptacle part B having a terminal part (not shown) to be connected to the first container body 3 and the terminal part of the first receptacle part B are electrically connected A second plug portion C provided with a pair of possible terminal pins 7 and a plug provided on a plug (not shown) that is electrically connected to the second plug portion C and can be inserted into and removed from the outlet. A second receptacle portion D having a blade receiving portion (not shown) for receiving a plug blade (not shown) The second adapter half body 3 is provided in the second container body 12, and the first adapter half body 2 and the second adapter half body 3 are magnets provided in the first receptacle part B. 6 and the magnetically attached piece 14 made of a magnetic material provided in the second plug portion C are detachably coupled.

  As shown in FIGS. 2A to 2F, the first adapter half 2 includes a pair of plug blades 4, a terminal portion, a pair of door bodies 5, and a magnet 6. 3 ready. The first container 3 has a front surface portion 3a that is the one surface of the first plug portion A and a bottom surface portion 3b that is the one surface of the first receptacle portion B, and is curved from the front surface portion 3a to the bottom surface portion 3b. A pair of plug blades 4 are juxtaposed along the longitudinal direction of the front surface portion 3a on the front surface portion 3a. Further, as shown in FIG. 2 (c), the first container 3 has a pair of insertion holes 8 through which the terminal pins 7 provided in the second adapter half 3 can be inserted. Two substantially circular exposure holes 9 are provided at both ends in the longitudinal direction of the bottom surface portion 3b. In addition, a convex positioning convex portion 11 projecting in the normal direction of the bottom surface portion 3b is formed in a substantially central portion of the bottom surface portion 3b along the longitudinal direction of the bottom surface portion 3b.

  Further, on the bottom surface portion 3b side of the first container 3, as shown in FIGS. 2 (c) and 2 (f), a recess that fits with the end portion on the one surface side of the second plug portion C is provided. The wall portion 10 constituting the station is integrally provided. The wall portion 10 has an inner peripheral surface of the recess formed by the inner space thereof, and guides the second plug C to the first receptacle portion B to connect the second plug portion C and the first receptacle portion B to each other. It becomes a guide portion for accurate coupling. Further, since the wall portion 10 is provided separately from the first vessel 3 by a translucent material, the terminal pin 7 of the second plug portion C is inserted into the insertion hole 8 of the first receptacle portion B. It can be visually confirmed whether or not they are securely connected.

  For example, the terminal portion is formed using a silver nickel alloy or the like on a terminal plate (not shown) formed so as to be bent in response to the pressing by the terminal pin 7. The terminal plate is arranged with the terminal portion corresponding to the insertion hole 8, and is electrically connected to the pair of plug blades 4 and accommodated in the first container 3.

  The door body 5 is disposed between the terminal portion and the insertion hole 8 and is housed and disposed in the first container 3 as a pair. These door bodies 5 are each elastically biased toward the longitudinal center portion side of the bottom surface portion 3b by a spring or the like, and project into the respective insertion holes so as to face each other from the longitudinal direction of the bottom surface portion 3b. The terminal portion is protected by closing the insertion hole 8 by contacting the insertion hole 8. Further, when the door body 5 is pressed by the terminal pin 7, the end faces that are in contact with each other are separated from each other and moved in a direction opposite to the direction in which the elastic force is applied to open the insertion hole 8. 7 can be inserted into the insertion hole 8.

  The magnet 6 is made of, for example, a substantially columnar magnet, and is housed in the first container 3 such that the end thereof is exposed through the exposure hole 9.

  As shown in FIGS. 3A to 3D, the second adapter half 3 includes a pair of terminal pins 7, a pair of magnetized pieces 14, and a pair of blade receiving portions as a second container. 12 in preparation. The second container body 12 is formed in a substantially rectangular parallelepiped housing, and as shown in FIG. 3A, a pair of terminal pins 7 are arranged in a short direction at a substantially central portion of the upper surface portion 12a on the one surface side. Along the line. Moreover, the substantially circular arrangement | positioning part 13 which arrange | positions the magnetized piece 14 is provided in the both ends of the longitudinal direction of the upper surface part 12a. Then, as shown in FIG. 3 (c), a plug plug blade of a plug provided in a load (not shown) of an electric device or the like can be inserted in a substantially central portion of the lower surface portion 12b on the other surface side. A pair of arc-shaped outlets 15 are provided.

  A concave positioning recess 16 that is recessed in the normal direction of the upper surface portion 12a is formed in a substantially central portion of the upper surface portion 12a along the longitudinal direction of the upper surface portion 12a. The first adapter half 2 and the second adapter half 3 can be positioned by fitting the positioning protrusions 11 of the body 2.

  The magnetized pieces 14 are made of a substantially circular magnetic plate, are arranged with their respective surfaces exposed at the placement portions 13 of the upper surface portion 12a, and are attracted to the magnet 6 provided in the first adapter half 2.

  The blade receiving portion has, for example, a blade receiving spring (not shown) that serves as a blade receiving member for holding the plug plug blade of the plug, and the blade receiving spring is arranged corresponding to each outlet port 15 respectively. 7 is electrically connected separately to one end of the housing 7 and housed in the second container 12. Also, the plug plug blade of the plug is generally provided with a substantially circular hole, so that the plug plug blade of the plug is locked by the hole as a retaining means of the plug plug blade of the plug. Is provided on the blade receiving spring. Thus, when the plug is connected to the second receptacle part D, the plug is not easily detached from the second receptacle part D, so that the second adapter half 3 is removed from the first adapter half 2. At this time, it is possible to prevent the plug from being detached from the second receptacle portion D or being in a partially disconnected state.

  The first adapter half 2 and the second adapter half 3 configured as described above connect the terminal pin 7 of the second plug portion C from the insertion hole 8 of the first receptacle portion B to the door body 5. The tip portion of the terminal pin 7 and the terminal portion are brought into contact with each other by being expanded and inserted into the first container 3, and the magnetized piece 14 of the second plug portion C is brought into contact with the magnet 6 of the first receptacle portion B. Are attached to each other by fitting the positioning projection 11 of the first receptacle B into the positioning recess 16 of the second plug C (see FIG. 1).

  Here, in this embodiment, as shown in FIG. 1 and FIG. 2 (f), the angle formed between the normal direction of the front surface portion 3a and the normal direction of the bottom surface portion 3b of the first body 3 It is formed to have an obtuse angle. That is, since the angle formed by the insertion / extraction direction of the plug blade 4 in the first plug portion A and the insertion / extraction direction of the terminal pin 7 in the first receptacle portion B is an obtuse angle, the insertion / extraction direction of the plug blade 4 and the terminal Compared with the case where the first receptacle part B is arranged so that the insertion / extraction direction of the pin 7 coincides, the amount of protrusion in the horizontal direction can be suppressed, and the insertion / extraction direction of the plug blade 4 as in the conventional example. Compared with the case where the first receptacle part B is arranged so that the angle between the insertion direction of the terminal pin 7 and the terminal pin 7 is a right angle or an acute angle, the second adapter half 2 and the plug are connected to the first adapter half. 1 can be easily attached and detached.

  By the way, as shown to Fig.4 (a)-(d), the outer periphery of the 2nd container 12 of the 2nd adapter half body 2 is the protection part 17 which consists of resin materials which have softness, such as an elastomer, for example. You may comprise so that it may cover. If comprised in this way, when removing the 2nd adapter half body 2 from the 1st adapter half body 1, the impact at the time of dropping the 2nd adapter half body 2 on the ground accidentally can be relieved, Therefore, damage to the second container 12 can be prevented. The second container 12 is preferably made of a heat-resistant resin material such as urea resin because there is a portion that is heated by electrical contact, such as the outlet port 15.

  Further, as shown in FIGS. 5A to 5D, a light emitting element 18a such as a light emitting diode is exposed to the outside on one side surface of the second container 12 of the second adapter half 2. You may comprise so that the display part 18 may be provided. The display unit 18 accommodates a lighting circuit (not shown) for turning on the light emitting element 18a and a switch mechanism (not shown) for turning on and off the power supply to the lighting circuit. The terminal portion of the receptacle portion B and the terminal pin 7 of the second plug portion C are turned on when electrically connected. If comprised in this way, it can be visually recognized by blinking of the light emitting element 18a whether the terminal part of the 1st receptacle part B and the terminal pin 7 of the 2nd plug part C are electrically connected.

It is the schematic which shows the magnet type | mold outlet adapter of embodiment of this invention. It is a figure which shows the 1st adapter half body same as the above, (a) is a top view, (b) is a rear view, (c) is a bottom view, (d) is a side view, (e) is a front view In the figure, (f) is a partial sectional view. It is a figure which shows the 2nd adapter half body same as the above, (a) is a top view, (b) is a side view, (c) is a bottom view, (d) is the other side view. It is a figure which shows the other structure of the 2nd adapter half body same as the above, (a) is a top view, (b) is a side view, (c) is a bottom view, (d) is the other side view. is there. It is a figure which shows another structure of the 2nd adapter half body same as the above, (a) is a top view, (b) is a side view, (c) is a bottom view, (d) is the other side view. It is. It is the schematic which shows the conventional magnet type | mold outlet adapter.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 1st adapter half body 2 2nd adapter half body 3 1st vessel body 4 Plug blade 6 Magnet 7 Terminal pin 8 Insertion hole 12 2nd vessel body 14 Magnetic attachment piece A 1st plug part B 1st Receptacle part C second plug part D second receptacle part

Claims (4)

  A first plug portion in which a pair of plug blades that can be inserted into and removed from an existing outlet is provided on one side, and an insertion hole through which a pair of terminal pins are inserted are provided on one side and inserted into the insertion hole. A first adapter half having a first receptacle part having a terminal part for electrically connecting a terminal pin and the plug blade in one container, and a terminal part of the first receptacle part electrically A second plug portion provided with a connectable pair of terminal pins, and a blade receiving portion for receiving a plug plug blade provided on a plug that is electrically connected to the second plug portion and can be inserted into and removed from the outlet. A second adapter half having a second receptacle portion having a single container, and a magnet provided on one of the first adapter half and the second adapter half. , A magnet made of a magnetic material provided on the other side A magnetic outlet adapter in which the second adapter half is detachably coupled to the first adapter half by a magnetic force acting between the pieces, and the first receptacle portion is a method of the one side. A magnetic outlet adapter, characterized in that an angle formed by a line direction and a direction in which the plug blade is inserted and removed is an obtuse angle.   2. The magnet type outlet adapter according to claim 1, wherein the outer shell of the second adapter half is covered with a soft resin material.   The first adapter half includes a display unit for displaying whether or not the terminal part of the first receptacle part and the terminal pin of the second plug part are electrically connected. Item 3. A magnetic outlet adapter according to item 1 or 2.   The first adapter half includes a wall portion that forms a recess into which the second plug portion of the second adapter half is fitted when the second adapter half is coupled, and the wall portion is The magnet type outlet adapter according to any one of claims 1 to 3, wherein the magnet type outlet adapter is made of a translucent material.

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