KR101796200B1 - Plug which is Easily Separable from the Socket - Google Patents

Abstract

According to the present invention, a plug separable from a socket can be in a form of a socket, a connector or an adapter by being connected to the socket after an electrode terminal of a power plug is connected, so that the socket and the power plug are electrically connected. When the power plug is electrically disconnected from the socket, a stable gripping sense for easily pressing a lever provided in the socket, the connector or the adapter can be provided. A loss of a force pressed by a user for electrical disconnection of the power plug from the socket is reduced, and the power plug is easily disconnected from the socket without using a great deal of force for the electrical disconnection of the power plug from the socket. The plug easily separable from a socket comprises: a housing; and a separation means.

Description

(Plug which is Easily Separable from the Socket)

The present invention relates to a plug which is easily detachable from an outlet, and more particularly to a plug which is easily detachable from an outlet so that the electrical connection of the appliance can be safely and easily separated from the outlet without using a large force .

Generally, the power plug is connected to the electric and electronic products, and is used to supply the electric power supplied to the outlet to the electric and electronic products.

Such a power plug is provided with a connecting pin which is hooked to the power supply terminal of the outlet so as to receive power from the outlet.

On the other hand, the power supply terminal of the power outlet stably holds the connection pin of the power plug by firmly holding the connection pin of the power plug. In order to prevent the power plug from being easily released from the outlet, the connection pin is connected to the power supply terminal It is combined with interference.

However, since the connection pin of the power plug is firmly coupled to the power supply terminal of the power outlet as described above, it is difficult to easily separate the power plug from the outlet in the future, and a large force This may lead to inconveniences in use and may lead to an accident such as a short circuit due to disconnection while pulling the power line and forcibly pulling the power plug apart.

Meanwhile, in order to solve the above problems, a plug having a separating lever (Korean Patent Laid-Open Publication No. 2001-0075993) has been proposed.

The plug having the conventional separating lever has a body portion forming a space portion therein, a terminal pin extending outward from the body portion and made of a conductive material, and an outlet pressing member having one end protruding from the inside of the body portion to the outside, And a lever which is exposed to the outside from the inside of the body and can press the other end of the pressing member inside the body when the portion exposed to the outside is pushed.

When the plug is detached from the socket, the lever is pivoted about the hinge pin to push down the pushing member to separate the plug from the socket.

The conventional plug having the separating lever pivots the lever in order to separate it from the receptacle. At this time, it is difficult to operate the lever while holding the plug, and the lever is pulled to project the pushing member downward There has been a problem in that it takes a lot of effort to separate the plug as the loss of power occurs while finally disconnecting the plug from the outlet.

Korean Patent Publication No. 10-2001-0075993

Disclosure of the Invention The present invention has been conceived in order to solve the above-described problems, and it is an object of the present invention to provide a power plug having an electrode terminal of a power plug, It provides a stable grip that can be easily pushed on the lever attached to the plug, and it reduces the loss of the user's power for electrical separation between the outlet and the power plug, so that the plug connected to the power plug can be easily disconnected from the outlet without using large force So that the electrical connection between the outlet and the power plug can be easily separated from the outlet.

According to an aspect of the present invention, there is provided a lever operation structure for a plug which is easily detachable from a socket-outlet. The socket includes an upper housing and a lower housing coupled to each other. A lever portion is rotatably connected to the upper housing, and a rod-shaped miter pin moving forward and rearward is connected to the lower portion so as to be horizontally movable, and the lever portion is rotatably connected to the lower housing, And when the lever is inserted into the housing and rotated to rotate the shaft and inserted into the housing, the microneedle is pressurized forward to be exposed to the outside of the housing, and when the lever is rotated around the shaft to be exposed to the outside of the housing, .

The upper housing has upper and lower intermediate through grooves penetratingly formed therein. Upper protruding tabs are formed on both sides of the middle through grooves of the upper housing so as to have concave fastening grooves recessed away from each other in the width direction. ; The lower housing may be provided with a lever stopper slanted rearward and downward at a position corresponding to the intermediate through-hole.

The separating means is formed with a radially outer portion formed to extend in the vertical direction so as to have a relatively short radius of rotation and a long radius portion extending in the vertical direction so as to have a relatively long radius of rotation. And a lower end of the shorter radius portion is formed to be rounded toward the lower side and a pressing tab is formed on both sides of the lower radius portion in a direction away from each other in the width direction and a lower portion of the longer radius portion is protruded rearward, An intermediate connection portion formed; A plate-shaped lever portion extending rearward from an upper portion of the longer radius portion; And an elongated tab extending in the vertical direction and extending upwardly and downwardly in a direction away from each other in the width direction is extended rearwardly on both sides of the pressing surface Which is composed of a < RTI ID = 0.0 > The upper rotating shaft is fastened to the shaft locking groove of the upper projecting tab and the moving rotation shaft can be fastened to the guide slot of the extending tab.

When the intermediate connection portion is pressed downward, the pressing tab is pressed against the pressing surface, and the spin pin is pushed forward to move forward, and the intermediate connection portion may not be rotated at a certain angle as the stop tab contacts the lever stopper .

Wherein a terminal fixing portion is provided at a front end of the housing to hold a forwardly extending terminal pin so as to have a fixed posture, a terminal through hole through which the terminal pin is passed is formed in the terminal fixing portion so as to be spaced apart in the width direction, A through-hole may be formed between the terminal through-hole and the terminal through-hole on the other side.

A terminal fastening plate provided inside the housing and electrically connected to an electrode terminal of a plug which is positioned in proximity to the terminal insertion port and inserted into the terminal insertion hole, and a terminal fastening plate connected to the terminal fastening plate and the terminal pin, And further comprises a connection plate for electrically connecting.

The plug which is easily detachable from the socket can be formed by integrally connecting a power line electrically connected to the terminal pin and supplying power.

According to the plug of the present invention which can be easily separated from the outlet as described above, it is possible to have a socket shape in which an electrode terminal of a power plug is connected and then connected to an outlet so that the outlet and the power plug are electrically connected. It is possible to provide a stable gripping feeling that can easily press the lever provided on the plug or socket when the electrical connection of the plug is disconnected and to reduce the loss of the force applied by the user for electrical separation of the socket- There is an effect that the electrical connection between the outlet and the power plug can be easily separated by disconnecting the connection of the power plug from the outlet easily.

1 is a front perspective view showing a plug which can be easily separated from an outlet according to an embodiment of the present invention,
2 is a rear perspective view showing a plug which is easily detachable from an outlet according to an embodiment of the present invention,
3 is an exploded perspective view showing a plug which is easily detachable from an outlet according to an embodiment of the present invention,
FIGS. 4 and 5 are perspective views for explaining a connection structure of a lever and a shaft that make a plug easily detachable from an outlet according to an embodiment of the present invention,
FIGS. 6 and 7 are operation states before pushing a lever which makes a plug easily detachable from an outlet according to an embodiment of the present invention,
FIG. 8 and FIG. 9 are operation states after pushing a lever which makes a plug easily detachable from a socket according to an embodiment of the present invention,
FIG. 10 is a perspective view showing another form of a plug that is easily detachable from a receptacle according to an embodiment of the present invention,
11 and 12 are perspective views showing a power plug type in which a power line is integrally provided in a plug which can be easily separated from an outlet according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings in order to facilitate a person skilled in the art to easily carry out the present invention.

As shown in FIGS. 1 to 3, the plug, which is easily detachable from an outlet according to an embodiment of the present invention, includes a housing having an upper housing 10 and a lower housing 50 coupled to each other, And a separating means for horizontally movably connecting a bar-shaped milten pin 500 moving forward and backward.

3, upper and lower intermediate through grooves 20 are formed in the upper housing 10 and upper protruding tabs 31 are formed on both sides in the width direction of the intermediate through groove 20 in the upper housing 10 And is protruded upward.

The upper projecting tabs (31) are formed with shaft engaging grooves (33) concave in the direction away from each other in the width direction.

A lever stopper 51 is formed at an inner side of the lower housing 50 at a position corresponding to the intermediate through groove 20 so as to be inclined rearward and downward. A lower portion of the lower housing 50 is provided with a latching jaw A plurality of projections and depressions may be formed to increase the gripping force.

A terminal fixing portion 710 for holding the circular terminal 70, which is a terminal pin connected to an outlet, extends forward and has a fixed posture, is disposed in front of the housing formed by coupling the upper housing 10 and the lower housing 50 So that the front is closed.

At this time, in the case of the circular terminal 70, it is preferable that the front portion connected to the receptacle is formed of a conductor and the portion fixed to the terminal fixing portion 710 is formed of an insulator.

In the process of coupling the circular terminal 70 to the terminal fixing portion 710, the terminal fixing portion 710 is injected using the insert injection mold while the circular terminal 70 is positioned on the insert injection mold. The circular terminal 70 and the terminal fixing portion 710 may be formed into an integrated structure.

The terminal fixing portion 710 is formed with a terminal through hole 711 through which the circular terminal 70 penetrates and is spaced from the terminal fixing hole 710 in such a manner that a pin 500 penetrates between the terminal through hole on one side and the terminal through hole on the other side. A through-hole 715 is formed.

A terminal inserting port for inserting the electrode terminal of the plug is formed at the rear of the housing.

The terminal insertion port includes a flat-plate terminal insertion port 90 into which a flat terminal is inserted, and a circular terminal insertion port 80 into which a circular terminal is inserted.

A terminal fastening plate which is provided inside the housing and is electrically connected to the electrode terminal of the plug which is positioned close to the terminal insertion port and is inserted into the inside of the housing and the terminal fastening plate which is connected between the terminal fastening plate and the circular terminal, And the circular terminal 70 are electrically connected to each other.

The terminal fastening plate includes a circular terminal fastening plate 780 located close to the circular terminal insertion port 80 and providing a pressing force in a vertical direction so as to be electrically connected to the electrode terminal of the plug inserted into the circular terminal insertion port 80, And a flat judgment self-assembly 790 which is located close to the flat-plate terminal insertion port 90 and provides a compressive force in a lateral direction so as to be electrically connected to the electrode terminal of the plug inserted into the flat-plate terminal insertion port 90.

On both sides of the housing, a fastening guide 60 is provided so as to protrude in the width direction, and the fastening guide 60 prevents the housing from moving left and right after being inserted into the outlet.

As shown in FIGS. 4 and 5, the separating means includes an intermediate connection part 300, a lever part 100, and a milten pin 500.

The intermediate connection part 300 is formed with a short radius part 310 extending in the vertical direction so as to have a relatively short radius of rotation and a long radius part 330 extending in the vertical direction so as to have a relatively long radius of rotation. An upper rotation shaft 350 is protruded in a direction away from each other in the width direction, and a lower portion of the shorter radius portion 310 is rounded so as to have a gentle curve toward the lower side, A pressing tab 320 protruding from the rotary shaft 360 is formed in a direction in which the rotary shaft 360 moves away from the lower end of the large diameter portion 330. A stop tab 340 protrudes from the lower portion of the longer diameter portion 330 toward the rear.

The lever portion 100 is plate-shaped extending rearward from the upper portion of the longer radius portion 330 and has a plurality of wrinkle-shaped non-slip portions 110 formed thereon.

The pushing surface 510 is formed at the front end thereof in the form of a bar and has a gently inclined pressing surface 510 formed at the rear end thereof at a rear end thereof. And an elongated tab 531 having a guide elongated hole 533 formed therethrough extends rearward.

The upper rotation shaft 350 is fastened to the shaft locking groove 33 of the upper projection tab 31 and the rotation rotation shaft 360 is fastened to the guide slot 533 of the extension tab 531, 320 and the pressing surface 510 are brought into contact with each other so that the millepin 500 is directed to the millefine through groove 715 of the terminal fixing portion 710 and then the upper housing 10 and the lower housing 50 are fastened Thereby completing the plug according to the present invention.

At this time, the semicylindrical pin guide 53 having a semicylindrical shape with front and rear openings is provided in the lower housing 50 adjacent to the terminal fixing portion 710 and guided in the inside to horizontally move backward / .

The plug configured as described above operates as follows.

6 and 7, when the circular terminal 70 of the plug according to the present invention is connected to the outlet after inserting and fastening the electrode terminal of the plug connected to the electric device into the terminal insertion port of the plug according to the present invention, As the circular terminal 70 is inserted into the outlet of the socket 500, the socket 500 is pressed and moved backward into the housing. At the same time, the pressing surface 510 of the socket 500 is pressed The tab 320 is pushed.

When the extension tab 531 of the microneedle 500 presses the movement rotary shaft 360 backward, the intermediate connection part 300 rotates upward about the upper rotary shaft 350, And is positioned above the guide elongate hole 533.

8 and 9, when the user applies a force to the lever portion 100 in order to separate the plug from the outlet after use of the electric device, the lever portion 100 moves the upper rotation axis 350 toward the axis And is inserted into the housing through the intermediate through grooves 20 while being moved downward, and the intermediate connecting part 300 is moved downward.

At the same time, the movable rotary shaft 360 also moves downward to press the extended tabs 531, and the pressing tabs 320 come into contact with the pressing surfaces 510 to frictionally push them out, do.

Subsequently, the forward movement of the millefing 500 pushes the surface of the socket while being exposed to the outside, and as a result of this reaction, the housing moves backward and the plug is disconnected from the socket.

At this time, the stop tab 340 of the intermediate connection part 300 comes into contact with the lever stopper 51, and the intermediate connection part 300 is no longer rotated at a certain angle.

On the other hand, the plug according to the present invention can stably grip the index finger by grasping the index finger 55 on the lower portion of the housing.

Accordingly, when the lever portion 100 is pressed in a state where the plug is stably held, the pressing tab 320 formed in a curved surface smoothly contacts the pressing surface 510 of the spin pin 500, So that it is possible to separate the plug from the outlet with a relatively small force by maximizing the pressing force by reducing the loss of force generated when the lever portion 100 is pushed.

10 is an explanatory view of a plug provided with a ground terminal as another embodiment of the plug according to the present invention, and is otherwise the same as that in the above-described embodiment, and thus a detailed description thereof will be omitted.

The ground terminal may be provided on the front surface where the circular terminal 70 protrudes and on the rear surface where the terminal insertion port 80 of the plug is formed. The ground terminal may be an F type, an A + F integrated type integrating the A type and the F type, Type standard or the like, and it can be manufactured by installing the ground terminal in various forms in accordance with the country-specific outlet standard, not limited to the specific plug type.

Figs. 11 and 12 show a power plug type in which a power cable of an electric device is integrally provided in a plug which can be easily separated from an outlet according to the present invention, and can be applied to both a grounded and a non-grounded power plug.

Accordingly, the plug of the electric device is provided in the form of a power plug in which the power line of the electric device is integrally connected to the circular terminal of the plug according to the present invention. When the circular terminal 70 of the power plug is inserted into the outlet The pressing surface 510 of the spin pin 500 pushes the pressing tab 320 of the intermediate connecting portion 300. At this time, the pressing surface 510 of the spin pin 500 pushes the pressing tab 320 of the intermediate connecting portion 300.

When the user applies a force to the lever portion 100 in order to complete the use of the electric device and disconnect the power plug from the outlet, the lever portion 100 moves downward, and the slide pin 500 slides forward .

Subsequently, the forwardly moved mille pin 500 is exposed to the outside to pressurize the surface of the outlet, and as a reaction to this, the housing moves backward and the circular terminal 70 of the power plug is disconnected from the outlet.

According to the plug of the present invention which can be easily separated from the receptacle as described above, it can be in the form of a socket, a connector or an adapter for connecting the receptacle and the power plug electrically connected to the receptacle after the electrode terminal of the power plug is connected , Provides a stable gripping feeling that can easily be pushed on a lever provided on a plug, socket, connector or adapter when the electrical connection of the power plug is disconnected from the outlet, and a loss of force applied by the user for electrical separation of the socket- So that the electrical connection between the outlet and the power plug can be easily separated by disconnecting the connection of the power plug from the receptacle without using a large force.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of illustration, It will be readily apparent that various substitutions, modifications, and alterations can be made herein.

10: upper housing 50: lower housing
70: Circular terminal 80: Round terminal insert
90: Flat plate terminal insertion port 100: Lever part
300: intermediate connection part 500:

Claims (6)

A housing having an upper housing and a lower housing coupled to each other, a terminal pin extending forwardly from the receptacle at a front side thereof, and a terminal insertion hole at a rear side thereof for inserting an electrode terminal of the plug; And
A lever portion is rotatably connected to the upper housing, and a bar-shaped miliphin moving forward and rearward is connected to the lower portion thereof so as to be horizontally movable. When the lever portion is rotated by an axis and inserted into the housing, And a separating unit that is exposed to the outside of the housing and is inserted into the housing by being pulled backward when the lever portion is rotated by the shaft to be exposed to the outside of the housing;
Wherein the separating means is formed with a radially extending portion having a relatively long radius of rotation and a radially outwardly extending radially extending portion having a relatively long radial radius at the rear of the radially extending portion, Wherein the upper rotary shaft is protruded and the lower portion of the shorter radius portion is rounded toward the lower side and the pressing tab protruding from the rotary shaft in the direction away from each other in the width direction is formed on both sides thereof. An upper projecting tab is formed in the upper housing so as to be concave in a direction away from each other in the width direction on both sides in the width direction of the upper housing, Respectively; Wherein the lower housing is provided with a lever stopper slanting rearward and downward at a position corresponding to the intermediate through-hole. [3] The apparatus of claim 2, wherein the lower portion of the longer radius portion has an intermediate connection portion in which a stop tab protrudes rearward; A plate-shaped lever portion extending rearward from an upper portion of the longer radius portion; And an elongated tab extending in the vertical direction and extending upwardly and downwardly in a direction away from each other in the width direction is extended rearwardly on both sides of the pressing surface Which is composed of a < RTI ID = 0.0 > Wherein the upper rotary shaft is fastened to the shaft fastening groove of the upper projecting tab and the movement rotating shaft is fastened to the guide slot of the extending tab. [4] The apparatus of claim 3, wherein when the intermediate connection portion is pressed downward, the pressing tab contacts the pressing surface, the pressing pin is pushed out to move forward, and the stopping tab contacts the lever stopper, Wherein the plug is not rotatable. The connector according to claim 1, wherein the housing has a terminal fixing portion for holding a terminal pin extending forward in a fixed posture at a front end of the housing, and terminal through holes through which the terminal pin is passed are spaced apart from each other in the width direction Wherein a through-hole is formed between the terminal through-hole on the one side and the terminal through-hole on the other side. The plug according to claim 1, wherein the plug easily detachable from the socket is electrically connected to the terminal pin so that a power supply line for supplying power is integrally connected.

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