JP3094828U - Power outlet and plug connection set - Google Patents

Abstract

(57) [abstract] (with correction) [Problem] It is possible to suppress unnecessary power consumption and generation of electromagnetic waves due to a surplus cord, to achieve a plug connection to a tap-type outlet, and to function as an extension cord. Provided is a power outlet / plug connection set capable of maintaining a reliable electrical connection state even with a plug body equipped in the power supply unit. SOLUTION: An annular connecting ridge is formed on a plug body 2 around a power plug terminal 1 and is fitted around the connecting ridge on an insertion opening of a terminal receiver 3 in an outlet body 4. Forming a joint concave portion 9, hooks 6 are provided on both outer sides of the plug body, and corresponding to the tips of the hooks,
A hook engaging portion 7 is formed inside the opening edge of the joint concave portion, and a second engaging portion in which the outlet main body is locked by an engaging element provided on a second plug on the device side. Have.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention relates to a power outlet / plug connection set.

[0002]

[Prior art]

  Commonly known power outlet plug connection set is a pair of power plug terminals Plug on the plug body and a pair of terminal receivers facing the plug terminals. It consists of an outlet equipped on the outlet itself, but with the power plug terminal and end The electrical connection state with the child receiver is maintained by the elastic contact pressure of both, so The Kana pull pulls out some or all of the power plug terminals from the terminal receivers. There is a problem that

[0003]   In addition, if it is used for a long time in the connected state, not only the power cord but also the power Dust also adheres around the cent plug connection set, and the outlet body and plug Dust enters the joint gap with the main body and reaches the power plug terminal. This In this case, the electrical connection between the power plug terminal and the terminal receiver is unstable as described above. Then, the heat generated by the electric resistance there burns the dust and causes a fire.

[0004]   Therefore, the applicant of the present invention has previously proposed a power outlet for avoiding these problems. Proposed a plug connection set. This power outlet / plug connection set is On the main body, it is located around the power plug terminal and forms an annular joint jetty. Located on the outlet body, around the insertion port of the terminal receiver installed therein. To form a joint recess that fits into the joint jetty, and is formed on both outer sides of the plug body. On the outside, a hook that elastically repels is provided, and at the end of the hook A hook engaging portion is formed inside the opening edge of the joining recess.

[0005]   With this configuration, the power plug terminal will slip out of the terminal receptacle. There is no fear of damage, and the mating jetty and the mating recess are fitted so that the outlet body and plug Dust can be prevented from entering the body and the joint gap, eliminating the risk of fire. It

[0006]

[Problems to be solved by the device]

  The present invention provides a reliable power supply for such a power outlet / plug connection set. From the situation that can maintain a stable electrical connection state, it is possible to connect the power cord in multiple stages, With the intention of eliminating excess code and suppressing unnecessary power consumption and electromagnetic wave generation, Achieves a function as an extension cord as well as a plug connection to a tap type outlet In addition, a reliable electrical connection can be made to the plug body equipped with the equipment body. Providing a configured power outlet / plug connection set with the intention of maintaining the state The purpose is to

[0007]

[Means for Solving the Problems]

  In order to achieve the above-mentioned object, in the present invention, a pair of power plug terminals are plugged into a plug book. Outlet with a plug equipped on the body and a pair of terminal receivers facing the plug terminals It consists of an outlet equipped on the main body, and the plug main body has a power plug terminal An annular joint jetty is formed around the It is located around the insertion port of the terminal receiver installed inside and fitted to the joint jetty. Has a joint concave portion, and elastically repels outward on both outsides of the plug body. With a hook, and corresponding to the tip of the hook, It is a power outlet / plug connection set that has a hook engaging part inside. The outlet main body is an engaging element provided on the second plug equipped on the device side, In the state where the power plug terminal of the second plug and the terminal receiver are connected , And has a second engaging portion that is locked to prevent it from coming off.

[0008]   Further, in the present invention, a plug having a pair of power plug terminals in the plug body, A receptacle equipped with a pair of terminal receivers facing the plug terminals on the outlet body. And at least an outlet adapter attached to the outlet body Power supply to the plug body or plug adapter attached to it. It is located around the plug terminal and forms an annular joint jetty. It is located around the insertion port and fits on the junction jetty to the outlet adapter. To form a joint recess that is elastic on the outside of both sides of the plug adapter. Provide a hook that repels and open the joint recess at the end of the hook. A power outlet / plug connection set that forms a hook engagement part inside the rim And the outlet adapter is provided on the second plug equipped on the device side. The power plug terminal of the second plug and the terminal receiver are connected by the engaging element The second engaging portion that is locked to prevent coming off in the locked state. Characterize.

[0009]

[Embodiment of device]

  (First embodiment)   Hereinafter, a first embodiment according to the present invention will be specifically described with reference to the drawings. . In this embodiment, the power outlet plug connection set is a pair of power plugs. The plug terminals 1 and 1 are, for example, a plug A equipped on a synthetic resin plug body 2 and a plug A. A pair of terminal receivers 3 and 3 facing the lug terminals 1 and 1 are also made of synthetic resin. It consists of the outlet B equipped on the cent body 4. In addition, this embodiment Then, this power outlet plug connection set is plug A on both ends of the cord 5. It is provided with an outlet B and is used as an extension cord.

[0010]   The plug body 2 has an annular joint jetty located around the power plug terminals 1 and 1. 6 is formed, and the socket body 4 has terminal receivers 3, 3 installed therein. Is formed around the insertion port of the joint and the joint concave portion 7 that fits into the joint jetty 6 is formed. . Then, on both outer sides of the plug body 2, there are hooks 8 that are elastically repulsed outward. Corresponding to the tip of the hook, a groove-like shape is formed inside the opening edge of the joint recess 7. Hook engaging portions 9, 9 are formed.

[0011]   In the present invention, in particular, the outlet body 4 is attached to the second plug P equipped on the device side. With the provided engaging element 11, the power supply plug provided in the plug body 12 in the plug P is provided. In the state where the plug terminals 13 and 13 are connected to the terminal receivers 3 and 3 of the outlet B. And includes step-shaped second engaging portions 10 and 10 that are locked to prevent coming off. .

[0012]   In addition, in this embodiment, the plug P is provided inside the device housing F, and The mounting flange 14 is located on the outer side. A pair of left and right guide rails 15, 15 extending in the The fitted fitting recess 16 (wherein the plug terminals 13, 13 are located) And it is arranged. Then, the outlet main body 4 is fitted into the fitting concave portion 16. Then, the terminal receivers 3 and 3 are connected to the plug terminals 13 and 13.

[0013]   In this state, to prevent the outlet B from coming off the plug P In addition, on the plug P side, a shank that closes the fitting recess 16 when the device is not used The above-mentioned engaging element 11 is designed on the guide rails 15 and 15 so as to also serve as a target cover. It is composed of a plate-like member that is moved inside and moves up and down. It is provided with engaging claws 11a, 11a which are removably engaged with.

[0014]   In such a configuration, when the plug A and the outlet B are connected, the plug end The joint jetty 6 is fitted into the joint recess 7 when the children 1, 1 are inserted into the terminal receivers 3, 3. At the same time, the hooks 8 and 8 slide their tips into the joint recess 7 and elastically repel them. The plug main body 2 is connected to the outlet main body 4 by being engaged with the hook engaging portions 9 by force. Will be. Therefore, it is possible to reliably maintain the connection state between the plug A and the outlet B. Wear. Further, by fitting the joint jetty 6 into the joint recess 7, the tip of the outlet body 4 There is no fear of dust invading between the end joint surface and the tip joint surface of the plug body 4 for a long period of time. Even during use, the danger of fire can be avoided.

[0015]   Particularly, in the configuration of the present invention, a connection set (plug A, connector) for connecting the cords to each other is used. St B set) or the above outlet B configuration to a tap type outlet. Not only can it be used as a connection set (using plug A) to which The outlet main body 4 is an engaging element 11 provided on the second plug P equipped on the device side. , The step-like second engaging portions 10 and 10 that are locked to prevent coming off Then, the applicable range of the outlet B can be expanded even with the plug P equipped in the device. effective.

[0016]   (Second embodiment)   The second embodiment according to the present invention is a conventionally known general outlet / plug. By equipping the connection set with an adapter, the function of the present invention can be demonstrated. In consideration. That is, the outlet / plug connection set here is a pair Plug A equipped with the power plug terminals 21, 21 of the plug main body 22 and the plug end The outlet body 24 is provided with a pair of terminal receivers 23, 23 facing the children 21, 21. Outlet B and at least an outlet attached to the outlet body 24 And the adapter D (for this embodiment, the plug body 2 2 also shows a configuration in which a plug adapter C is attached, As shown in the first embodiment with the outlet main body 24 equipped with the adapter D for It may be a connection set paired with the plug body 2). The adapter D has a terminal Insertion openings 25, 25 corresponding to the receptacles 23, 23 are formed.

[0017]   In this embodiment, the plug adapter C includes the power plug terminals 21 and 21. An annular joint jetty 26 is formed around the periphery of the terminal receivers 23, 23. Located at the periphery of the insertion ports 25, 25, the outlet adapter D is connected to the joint jetty 26 Is formed with a joint recess 27 that fits into the. Also, on both outsides of the plug adapter C Is provided with hooks 28, 28 elastically repelling outward, and the tips of the hooks are provided. Corresponding to the above, hook engaging portions 29, 29 are formed inside the opening edge of the joint recess 27. Has been.

[0018]   Particularly, in the present invention, the outlet adapter D is the second plug provided on the device side. The engaging element 11 provided on the switch P (same as that shown in the first embodiment) allows The power plug terminals 13, 13 provided on the main body 12 are connected to the terminal receivers 23, 23. The second engaging portions 30 and 30 which are locked to prevent coming off in the opened state. Has been done.

[0019]   In such a configuration, by providing the adapters C and D, the function of the present invention It can be applied to the power outlet / plug connection set of. Other points Is the same as that of the first embodiment, the description of its functional operation is omitted. In addition, A structure in which the adapters C and D are attached to the plug body and the outlet body is a commercially available plug, Of course, it is necessary to devise the design according to the shape of the outlet. Is.

[0020]   In both embodiments, the outlet B or the outlet adapter D is used. As a one-to-one correspondence with the plug A (or plug adapter C) Although the case is shown, the configuration of the present invention is a tap type connector that can connect multiple plugs. It can be applied to an outlet structure of a plug or wall-embedded type (so-called box type). Of course. Moreover, the configuration of the present invention is applicable to a three-wire cord having a ground wire. It can also be applied to a plug and outlet connection set.

[0021]

[Effect of device]

  As described in detail above, the present invention equips the plug body with a pair of power plug terminals. Equipped with a plug and a pair of terminal receivers facing the plug terminals It is composed of a power outlet and a plug located around the power plug terminal on the plug body. To form an annular joint jetty, which is installed inside the outlet body. A joint recess that is located around the insertion port of the terminal receiver and that fits into the joint jetty. And a hook that elastically repels outward is formed on both outsides of the plug body. At the same time, the hook is provided inside the opening edge of the joint recess corresponding to the tip of the hook. A power outlet / plug connection set forming a hook engaging portion, The main unit is an engaging element provided on the second plug equipped on the device side. Prevents the plug from coming off when the power plug terminal of the plug and the terminal receiver are connected It has a 2nd engaging part locked for.

[0022]   The present invention also includes a plug having a pair of power plug terminals in the plug body and a front An outlet equipped with a pair of terminal receivers facing the plug terminals in the outlet body And at least an outlet adapter attached to the outlet body Power plug to the plug body or plug adapter attached to it. An annular joint jetty is formed around the lug terminal and the terminal receptacle is inserted. Located around the entrance, fitted to the outlet adapter and to the joint jetty A joint recess is formed so that the plug adapter is elastically supported on both outsides of the plug adapter. A hook for emitting is provided, and the opening of the joint recess is provided at the tip of the hook. With a power outlet / plug connection set that forms a hook engaging part inside the rim Yes, the outlet adapter was installed on the second plug on the equipment side. The engaging plug connects the power plug terminal of the second plug and the terminal receiver. In the locked state, it has a second engaging portion that is locked to prevent it from coming off. To collect.

[0023]   Therefore, from the situation where the reliable electrical connection state can be maintained, the multi-stage connection of the power cord To eliminate unnecessary code and suppress wasteful power consumption and electromagnetic wave generation. You can also use the extension cord as well as the plug connection to the tap type outlet Function can be achieved, and even for the plug body equipped in the device body, The effect that a reliable electrical connection state can be maintained is obtained.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing a first embodiment according to the present invention.

FIG. 2 is also a schematic configuration diagram showing a connection with a plug P provided in a device housing.

FIG. 3 is a schematic configuration diagram showing a second embodiment according to the present invention.

[Explanation of symbols]

1 Power plug terminal 2 plug body 3 terminal receiver 4 outlet body 5 power cord 6 hooks 7 Hook engagement part 8 junction jetty 9 Joint recess 10 Engagement part 11 Engagement element 11a engaging claw

Claims (2)

[Scope of utility model registration request] 1. A plug having a pair of power plug terminals in a plug body, and an outlet having a pair of terminal receivers facing the plug terminals in an outlet body, wherein the plug body has a power plug terminal Located around,
An annular joint jetty is formed, and the outlet main body is formed with a joint recess that is located around the insertion port of the terminal receiver installed therein and that fits into the joint jetty. A power outlet plug that has hooks elastically repelling outward on both outer sides of the main body and has hook engaging portions formed inside the opening edges of the joint recesses corresponding to the tips of the hooks. In the connection set, the outlet main body is an engaging element provided on a second plug equipped on the device side, and prevents the power plug terminal of the second plug from being disconnected from the terminal receiver. A power outlet / plug connection set having a second engaging portion that is locked for. 2. A plug having a pair of power plug terminals in a plug body, an outlet having a pair of terminal receivers facing the plug terminals in an outlet body, and at least an outlet adapter attached to the outlet body. The plug main body or the plug adapter attached to the plug main body is formed around the power plug terminal to form an annular joint jetty, and is located around the insertion port of the terminal receiver. And forming a joint recess for fitting with the joint jet in the outlet adapter, and providing hooks elastically repelling outward on both outsides of the plug body or the plug adapter attached thereto. Along with the tip of the hook, a power outlet / plug contact forming a hook engaging portion is formed inside the opening edge of the joint recess. In the set, the outlet adapter prevents the power plug terminal of the second plug and the terminal receiver from being disconnected by an engaging element provided on a second plug equipped on the device side. A power outlet / plug connection set having a second engaging portion that is locked for.