JP2002141136A - Plug and receptacle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plug and a receptacle allowing safe use of an electric apparatus. SOLUTION: This plug has a first support body for receiving a pair of plug terminals inserted into a receptacle and a second support body for receiving an exchange member allowing exchange, and is removably attached to the receptacle by relatively moving the second support body with respect to the first support body. This plug has a locking mechanism using falling preventing guide grooves disposed in the second support body having the falling preventing guide grooves made of insulating material and in a buffering transferring part of a receptacle lid plate. The guide groove is disposed in the receptacle lid plate and stores a cord, and the buffering transferring part is provided, and a collision or catching can be prevented from accidentally pulling out the plug.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outlet and a plug inserted therein.

[0002]

2. Description of the Related Art When a plug is connected to an outlet, a person may accidentally pull out the plug by catching his / her feet on a hanging cord or hitting a vacuum cleaner or a wheelchair.

[0003]

When such a problem occurs, in the case of an electric device having a built-in timer, such as a television or an audio device, the plug is unplugged, and the time setting of the timer is reduced. Problems such as going crazy, controlling the temperature of the tropical fish tank temperature control equipment, causing the tropical fish to die, and destroying the data in the memory and hard disk in the case of a personal computer There was a point. In addition, medical devices have a problem of being related to a life crisis. The present invention has been made in view of the above circumstances,
Its purpose is to provide a plug and an outlet that allow safe use of electrical equipment.

[0004]

According to the present invention, there is provided a plug and an outlet according to the present invention, wherein a first supporting member to which a plug terminal to be inserted into the outlet is attached and a second switching member to be switchable are attached. A plug which is detachably attached to an outlet by moving the second support relative to the first support, wherein the second support has a locking mechanism. . According to this configuration, even when a force is applied to pull out the plug from the outlet, the plug can be used by being locked by the locking mechanism provided on the second support. When the cord is located in the guide groove with the retaining part provided near the outer periphery of the outlet cover plate, it will not hang down,
It can be used safely because it is less likely to be caught by feet. In order to prevent a step from being formed between the outlet cover plate and the plug, 1/1/2 of the thickness of the plug is placed on both sides of the plug insertion port.
A second place bulge is formed on the outlet cover plate to prevent falling off due to a collision with a vacuum cleaner, a wheelchair, or the like, thereby enabling safer use. In a further preferred embodiment of the present invention, the plug is provided with a locking mechanism provided on the second support, and is rotatably supported by a shaft. As a result, the plug and the outlet can be made into a unit, which can contribute to the storage of the cord attached to the plug.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a plug and an outlet according to the present invention will be described with reference to the drawings. FIG. 1 is an external view of a plug and an outlet.

The plug P has a pair of plug terminals 1 inserted into the outlet C, and two pairs of synthetic resin drop-prevention members 2 provided with the pair of plug terminals.
The first support 3 to which the plug terminal is attached, the second support 4 composed of the first case 4a and the second case 4b, and the screw 5 for connecting the first case 4a and the second case 4b. Have. In the outlet C, the cord 6 attached to the plug P is housed in a guide groove 8 provided in the outlet cover plate 7, and a cord retaining member 9 made of synthetic resin is provided on both sides of the guide groove 8.
And an outlet cover plate 7 and a screw 11. Furthermore, when plug P is inserted into outlet C,
Because there is a step between the plug P and the outlet C, the outlet transition plate 12 is provided on the outlet cover plate 7 on both sides of the plug P insertion port. In this state, the plug P is inserted into the outlet C, and is at a position where the second support 4 has been moved relative to the first support 3. This state is also a state in which the plug P is set so as not to come out of the outlet C.

FIGS. 2, 3 and 4 are views showing the configuration of each part of a plug and an outlet. FIG. 2A shows a state in which the second support 4 is rotated 0 degrees around the rotation axis X when the plug is stationary. FIG. 2B illustrates a state in which the second support 4 is rotated around the rotation axis X by 90 degrees in the counterclockwise direction B during the operation of the plug. In other words, it shows a state of being plugged into the outlet. Further, the same state can be obtained by rotating the second support 4 by 90 degrees in the clockwise direction A around the rotation axis X. FIG. 3 shows a plan view of the plug. The switching member 15 is rotatably attached to the plug terminal 1 by the rotating shaft 14. The switching member 15 is attached so as to straddle the first support 3 and the second support 4, and is attached to the second support 4 so as to be sandwiched between the first case 4a. As for the mounting method, it is sufficient to simply insert it, or to use screw connection or adhesion together. FIG.
(A) is a plan view of an outlet for a standard type 2 ports. In addition, the buffer transition portions 12 provided on both sides of the plug insertion port of the outlet cover plate 7 are provided with drop-off prevention guide grooves 13. FIG. 4B shows a bottom view of the outlet as viewed from the base surface. With the above structure, a locking mechanism is formed.

Next, the operation of the plug P and the outlet C according to the present embodiment will be described. 5A and 5B show a state in which the plug P is inserted into the outlet C. This is a state in which the second support 4 is rotated 90 degrees counterclockwise in FIG. 2B from the state in FIG. 2A. By rotating the second support 4, the switching member 15 is also rotated together with the rotating shaft 14 (X-axis).
Rotate around. As a result, the stopper member 2 of the plug P is engaged with the guide groove 13 of the buffering transition portion 12 provided on the outlet cover plate 7, and the plug P is prevented from falling off from the outlet C. (State of FIG. 5 (b)) At this time, the second support 4 can be held in the counterclockwise direction by 90 degrees by the locking pin 17 entering and locking the locking hole 16. In addition, it can be held in the same manner even when rotated clockwise. (Fig. 5 (a)
Further, when the cord 6 attached to the plug P is stored in the guide groove 8 attached to the cord retaining member 9 made of a synthetic resin provided on the outlet cover plate 7, the plug P comes off from the outlet C as a result. Is prevented. When removing the plug P from the state of FIG. 5 (including FIG. 1), the cord 6 is removed from the guide groove 8 of the outlet cover plate 7, and the second support 4 is rotated clockwise by 90 degrees. Further, as shown in FIG. 4 (a), the second support 4 is also rotated counterclockwise by 90 with respect to the other outlet main body insertion port 10 for two ports.
It can be pulled out in the same way even when rotated in the degree direction. Further, the plug P is connected to the dropout prevention member 2 and the outlet C.
The stopper pin 17 is inserted into the locking hole 16 of the plug P and locked by being connected to the drop-prevention guide groove 13 attached to the shock-absorbing transition portion 12 so that the locking set position is reduced. It is easy to understand.
As described above, in the plug P, the second support 4
Since it may rotate clockwise or counterclockwise, the usability is improved. Further, since the second support member 4 constituting the cover body of the plug P is rotated, the operability is superior to the structure in which the push button or the slide lever is operated.

In the present embodiment, the plug is described as an example of the electric connection tool, but is not limited to this.
Includes all those that have an electrical connection terminal that plugs into an outlet, such as an extension cord, AC adapter, charging adapter, and the like. The outlet is not limited to the outlet provided on the wall surface of the room, and includes all outlets having an insertion port into which a plug terminal is inserted, such as an extension cord and a rear surface of an electric device. In the present embodiment, the falling-off prevention member 2 made of synthetic resin is switched by rotating the second support 4 with respect to the first support 3, but the first support is obtained by rotating the second support 90 degrees. May be switched by sliding. In the present embodiment, the size of the plug and the outlet, particularly the outlet, the size of the commercially available product is constant, and the size and the shape of the plug are made correspondingly. If there are no restrictions on the plug and outlet, the design can be changed appropriately.

[0010]

1) By using an insulating material such as a synthetic resin for the falling-off prevention member, the plug terminal and the outlet main body can be used safely without a short circuit. 2) The second support constituting the cover of the plug can be rotated and locked at 90 degrees to prevent spontaneous fall of the second support and prevent the plug from falling off. 3) The cord is stored in the guide groove provided in the outlet cover plate, and it is structured to be hard to come off even if the foot is dropped. 4) The shock-absorbing transition section provided on the outlet cover plate makes it difficult for the vacuum cleaner or wheelchair to come off even when hit.

[Brief description of the drawings]

FIG. 1 is an external view of a plug and an outlet according to an embodiment.

2A is a perspective view of the plug at rest, and FIG. 2B is a perspective view of the plug at operation.

FIG. 3 is a plan view of a plug.

FIG. 4 (a) Front view of outlet cover plate (b) Bottom view of outlet cover plate

FIG. 5 (a) Operation diagram of plug (b) Operation diagram of outlet cover plate

[Explanation of symbols] 1 Plug terminal 2 Drop-off prevention member 3 First support 4 Second support 5 Screw (plug) 6 Cord 7 Outlet cover plate 8 Guide groove 9 Cord maintenance member 10 Outlet body 11 Screw (outlet) 12 Buffer Transition section 13 Fall-off prevention guide groove 14 Rotation stopping / breaking pin 15 Switching member 16 Locking hole 17 Locking pin P plug C outlet X

Claims (5)

[Claims] A first support to which a plug terminal inserted into an outlet is attached; and a second support to which a switching member for enabling switching is attached, wherein the second support is attached to the first support. A plug which is detachably attached to the outlet by relatively moving the plug and the outlet, wherein the plug is provided with a locking mechanism on the second support. 2. The plug is inserted into the outlet, and when the second support is relatively moved with respect to the first support, a retaining portion is provided near a mounting opening of a cord attached to the plug. And locking.
The plug and outlet described in. 3. When the plug is inserted into the outlet, a guide groove provided with a retaining portion is provided near an outer periphery of a cover plate of the outlet to prevent a cord connected from the plug from hanging down. The plug and outlet according to claim 1 or 2, wherein: 4. The plug so that when the plug is inserted into the outlet and the second support is moved relative to the first support, a step is not formed between the cover plate of the outlet and the plug. 1/2 of the thickness of the plug on both sides of
The plug and outlet according to any one of claims 1 to 3, wherein a swelling of the position is formed to prevent falling off due to a collision or the like. 5. When the plug is inserted into the outlet, the size of the plug is set so as not to protrude from the cover plate of the outlet, and the cord attached to the plug can be easily swung right and left. The plug and outlet according to any one of claims 1 to 4.