KR20230072949A - Receptacle having safe cover unit - Google Patents

Abstract

The present invention relates to an outlet equipped with a safety cover unit, which has a safety cover unit accommodated inside a plug insertion hole while covering the entire opening part thereof to provide visual stability, and is lifted and lowered in accordance with a state when a power plug is inserted therein while safely opening and closing terminal holes of a plug insertion hole, to effectively prevent electric shock and the inflow of foreign substances such as dust without affecting the contact point of a plug terminal hole. The outlet equipped with a safety cover unit according to the present invention comprises a base plate (510), a coil spring (520), a cover plate (530), a pair of sliders (540L, 540R), an elastic member (550), and a straight rotating shield plate (560).

Description

Outlet with safety cover unit {RECEPTACLE HAVING SAFE COVER UNIT}

The present invention relates to an outlet having a safety cover unit; More specifically, it relates to a "outlet equipped with a safety cover unit" that can prevent electric shock by inserting an iron rod into the terminal hole of the outlet and effectively prevent the inflow of foreign substances such as dust.

Modern society is surrounded by numerous electrical appliances, and these electrical appliances are driven by being supplied with AC power of 220V through a buried outlet or a separate outlet provided in a building. These outlets are provided with a plurality of plug insertion openings capable of supplying power to electrical appliances. Therefore, when a plug of an electric appliance is inserted into the plug insertion hole of the outlet, the terminal pins of the plug are inserted into the terminal holes of the plug insertion hole and electrically connected. However, sometimes curious infants or children insert a conductor such as chopsticks into the terminal hole of the outlet, resulting in an electric shock accident. To prevent this, a separate safety cover is purchased and inserted into the outlet.

Referring to Figure 1; The conventional safety cover 10 for an outlet includes a plate-shaped cover portion 11 covering the plug insertion opening 21 of the outlet 20, and protruding from the inner surface of the cover portion 11 to be inserted into the outlet terminal hole 22 and coupled. It consists of a pair of legs (12). Therefore, in the conventional safety cover 10 for an outlet, the cover portion 11 covers the plug insertion port 21 while the leg 12 is inserted into the outlet terminal hole 22, thereby preventing safety accidents. In addition, when trying to connect a power plug (not shown) of an electrical appliance, the safety cover 10 for the outlet must be completely disassembled from the outlet 20.

However, in the conventional safety cover 10 for an outlet, since the leg 12 is forcibly inserted into the terminal hole 22 of the plug insertion hole 21, some force is applied during attachment and detachment, which causes the leg of the safety cover 10 ( 12) can be easily damaged. In addition, in the state where the safety cover 10 is coupled to the outlet 20, the leg 12 is in a state of being plugged into the contact point (not shown) of the terminal hole 22. If this state continues, the contact point of the terminal hole 22 There is a disadvantage that the current does not work well when the power plug (terminal pin) is inserted due to loosening. And when connecting the power plug, it is often lost by completely disassembling the safety cover 10 from the outlet 20.

The present invention is intended to solve these problems; An object of the present invention is to provide a sense of visual stability by covering the entire opening of the safety cover unit while accommodating it inside the plug insertion hole, and safely opening and closing the terminal holes of the plug insertion hole while moving up and down depending on whether or not the power plug is inserted. To provide a "outlet equipped with a safety cover unit" that can effectively prevent electric shock and inflow of foreign substances such as dust without affecting the contact of the plug terminal hole.

The present invention for achieving this object;

Inside, an outlet housing in which a (+)(-) terminal is accommodated and installed, and a power plug is provided on one surface of the outlet housing so that the power plug can be inserted, and terminal pins of the power plug pass through the bottom surface to allow the (+)(-) terminal to be inserted. ) Ends of both sides pass through the wall of the plug insertion hole and face the inner space of the plug insertion hole so that they can be connected to the plug insertion hole in which terminal holes are drilled so as to be connected to the terminal, and the grounding portion provided on the side of the power plug. An outlet having a ground terminal exposed to a high level and a safety cover unit installed in the plug insertion hole and opening and closing the terminal holes according to whether the power plug terminal pins are inserted or not;

The safety cover unit; It is accommodated in the plug insertion hole to be able to go up and down, and a pair of first through holes are drilled to match the terminal holes, and the bottom surface is accommodated in a guide groove provided in a vertical direction on the bottom surface of the plug insertion hole to guide the up and down movement. a base plate provided with a pair of guide rods, and having a pair of first opening grooves oppositely formed on an edge thereof to expose the ground terminal; a coil spring disposed to surround the guide rod accommodated in the guide groove, having a lower end supported on a lower surface of the guide groove and an upper end supported on a lower surface of the base plate to elastically support the base plate upward; A pair of second through holes are integrally fastened to the upper part of the base plate at a predetermined interval through a spacer shaft provided in the center and coincident with the pair of first through holes, and a pair of second through holes are drilled on the bottom surface around the pair of second through holes. a cover plate in which slide grooves are formed to face left and right, and a pair of second opening grooves are formed to face each other so as to coincide with the pair of first opening grooves at an edge; Communication holes are perforated so as to be slidably disposed in the slide grooves of the cover plate to selectively allow communication between the first through hole and the second through hole, and a communication hole is bored around the communication hole in an outward direction from the center of the cover plate. An inclined surface inclined downward is formed to block communication between the first through hole and the second through hole, and when the terminal pin of the power plug is inserted from the top through the second through hole, the cover plate is caused by the inclined surface. a pair of sliders sliding in a center direction and allowing the terminal pin of the power plug to be inserted by allowing the second through hole, the first through hole, and the terminal hole to communicate with each other through the through hole; It is accommodated in the pair of sliders and elastically supports the slider toward the outside of the cover plate in the slide groove of the cover plate, so that when the terminal pin of the power plug is not inserted, the first through hole and the second an elastic member for blocking communication between the first through hole and the second through hole by placing an inclined surface of the slider between the through holes; The central portion is rotatably coupled to the space axis in the horizontal direction through a coupling hole, and both edges extend to be located between the first opening groove of the base plate and the second opening groove of the cover plate, and both ends are Shaft-coupled to the ends of the pair of sliders, respectively, when the pair of sliders slide toward the center of the cover plate, while rotating in the forward direction, both edges move away from the first opening groove and the second opening groove, and the first opening groove Communication between the opening groove and the second opening groove is allowed, and when the pair of sliders slide and move in the outer direction of the cover plate, they rotate in the opposite direction so that both edges are positioned between the first opening groove and the second opening groove. a straight line-shaped rotating screen covering the upper end of the ground terminal and blocking communication between the first opening groove and the second opening groove; It is characterized by providing.

In addition, the present invention; A pair of locking grooves are provided to face each other on an upper portion of the wall of the plug insertion hole; A stopper part is provided at the outer ends of the pair of sliders to be caught in the locking groove while sliding outward of the cover plate when the terminal pin of the power plug is pulled out while the cover plate is raised to the top together with the base plate.

In addition, the present invention; Separation prevention grooves are provided on the wall surface of the plug insertion port to face each other in the longitudinal direction; It is characterized in that the edge of the base plate is accommodated in the separation prevention groove and provided with a hook locking jaw for preventing separation from the plug insertion hole while permitting vertical movement of the base plate.

According to the "outlet equipped with a safety cover unit" according to the present invention made of the above configuration; When the power plug is not inserted, since it covers the entire opening of the plug insertion opening without affecting the terminal contact, it has the advantage of preventing electric shock and foreign substances such as dust while providing a sense of visual stability. In particular, in a state where the power plug is not connected, since both ends of the rotating cover plate cover the upper end of the ground terminal, the safety cover unit does not descend even when pressed from the outside, so that foreign substances as well as electric shock accidents can be more effectively prevented.

In addition, only when the terminal pins of the power plug are inserted at the same time, the pair of sliders slide inward, respectively, allowing the terminal pins to enter, and the rotating cover plate rotates at a predetermined angle to expose the top of the ground terminal, so that the power plug connection is made. do. Therefore, when children inadvertently try to insert metal chopsticks through any one of the second opening grooves, the safety cover unit does not descend, preventing an electric shock accident.

In addition, according to the "outlet equipped with a safety cover unit" according to the present invention; When the power plug is pulled out from the plug insertion hole and the safety cover unit rises to the top, the slider slides outward and the stopper part gets caught in the locking groove to maintain a locked state. Even if it does not descend, there is an effect of preventing electrical safety accidents more effectively.

In addition, according to the "outlet equipped with a safety cover unit" according to the present invention; The base plate is movably coupled on the wall of the plug insertion hole through the separation prevention groove and the hook locking jaw. Therefore, after temporarily assembling the safety cover unit composed of a base plate, a cover plate, a pair of sliders, an elastic member, a rotating cover plate, etc., the assembly work can be easily completed by inserting it into the plug insertion hole in an interference fit method.

1 schematically shows a safety cover applied to a conventional outlet.
Figure 2 shows an outlet to which the safety cover unit according to the present invention is applied.
FIG. 3 is a cross-sectional view taken along line Ⅲ-Ⅲ of FIG. 2 .
Figure 4 is a perspective view showing a plug insertion port and a safety cover unit extracted according to the present invention.
Figure 5 is a plan view of the safety cover unit installed in the plug insertion hole in the outlet according to the present invention.
Figure 6 is a cross-sectional view taken along the line VI - VI of Figure 5, showing the assembly configuration of the safety cover unit according to the present invention.
7 and 8 are exploded perspective views showing an excerpt of the safety cover unit according to the present invention.
9 and 10 show an initial operating state in which the power plug is inserted into the plug insertion port to which the safety cover unit according to the present invention is applied.
11 shows a state in which the power plug is completely inserted into the plug insertion port to which the safety cover unit according to the present invention is applied.
12 and 13 show a state in which the power plug is completely pulled out of the plug insertion port to which the safety cover unit according to the present invention is applied.

Hereinafter, one preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings. Briefly describing the accompanying drawings, FIGS. 2 to 8 show the configuration of a safety cover unit for an outlet according to the present invention, and FIGS. 9 to 13 show an operating state of the safety cover unit for an outlet according to the present invention.

<Description of the configuration of an outlet equipped with a safety cover unit according to the present invention>

Referring to FIGS. 2 and 3, the outlet according to the present invention has a (+) (-) terminal 210 accommodated and installed therein, and the outlet housing 200 constituting the product exterior and the power plug 100 are inserted. It is provided on one surface of the outlet housing 200 so that the terminal pins 110 of the power plug 100 penetrate through the bottom surface so that the terminal hole 310 can be connected to the (+) (-) terminal 210. ) both ends penetrate the wall of the plug insertion hole 300 so that they can be connected to the perforated plug insertion hole 300 and the grounding portion 120 provided on the side of the power plug 100 to the inside of the plug insertion hole 300. It is installed in the ground terminal 400 and the plug insertion hole 300 exposed to face each other in space, and opens and closes the terminal holes 310 depending on whether the terminal pins 110 of the power plug 100 are inserted to prevent an electric shock accident. It has a safety cover unit 500 that can be.

As shown in FIGS. 3 and 4, the plug insertion hole 300 is made of a cylindrical body (approximately) with an open top and an empty inside, and in the embodiment of the present invention, it is separately manufactured and one surface of the outlet housing 200 ( Upper surface) was configured to be assembled in a hook coupling method as an example. 5 and 6, terminal holes 310 are drilled at regular intervals on the bottom surface of the plug insertion hole 300, and both ends of the ground terminal 400 pass through the wall of the plug insertion hole 300. It is exposed to the opposite side of the interior space. In addition, on the bottom surface of the plug insertion hole 300, guide grooves 320 extending downward in the vertical direction are provided facing each other by 180 degrees, where the guide rod 512 of the base plate 510, which will be described later, is accommodated to form a safety cover. It guides the ascending and descending of the unit 500. In addition, on the wall of the plug insertion hole 300, a separation prevention groove 330 is formed to face 180 degrees in the vertical direction, and the hook locking jaw 514 of the base plate 510, which will be described later, is accommodated in the safety cover unit 500. ) to prevent the departure of In addition, a locking groove 340 is provided on the upper part of the wall surface of the plug insertion port 300 so as to face 180 degrees. 500) can be locked.

And the safety cover unit 500 is installed to cover the opening of the plug insertion port 300 in the horizontal direction to prevent foreign substances from entering and electric shock; As shown in FIGS. 4 to 6, a base plate 510 disposed in the plug insertion port 300 to be able to move up and down, a coil spring 520 for elastically supporting the base plate 510 in an upward direction, and a base plate 510. A cover plate 530 coupled to the top of the plate 510 to maintain a constant distance, a pair of sliders 540L and 540R disposed slidably on the bottom surface of the cover plate 530, and a pair of sliders ( 540L) (540R) is rotatably disposed in the horizontal direction between the elastic member 550 for elastically supporting the outward direction and the cover plate 530 and the base plate 510 to selectively expose the ground terminal 400 {Each component constituting the safety cover unit 500 is injection molded through synthetic resin except for the coil spring 520 and the elastic member 550. Therefore, the description of the material is omitted.}

Referring to FIGS. 6 to 8 , the base plate 510 is formed in a substantially plate shape and is accommodated in the plug insertion hole 300 so as to be able to go up and down and has a pair of first through holes 511 aligned with the terminal holes 310 . is perforated. A pair of guide rods 512 are provided on the bottom surface of the base plate 510 to be accommodated in the guide groove 320 of the plug insertion hole 300 to guide elevation, and a ground terminal ( 400) are exposed, and a pair of first opening grooves 513 are formed facing each other by 180 degrees. In addition, the edge of the base plate 510 is accommodated in the anti-separation groove 330 of the plug insertion hole 300, allowing the base plate 510 to move up and down while holding a hook to prevent separation from the plug insertion hole 300. Jaws 514 are provided to face each other. Therefore, after temporarily assembling the safety cover unit 500 consisting of a base plate 510, a cover plate 530, a pair of sliders 540L and 540R, an elastic member 550, and a rotating cover plate 560, the plug insertion hole When inserted into (300), a pair of hook locking jaws (514) are respectively positioned in the separation preventing grooves (330) to prevent separation from the plug insertion port (300) and to move up and down.

As shown in FIGS. 6 to 8 , the coil spring 520 is disposed to surround the guide rod 512 accommodated in the guide groove 320 so as to be able to move up and down, and the lower end of the guide rod 512 is the guide groove 320. It is supported on the bottom and the top is supported on the bottom of the base plate 510 . Therefore, the base plate 510 is always elastically supported upward through the coil spring 520, so that when the power plug 100 is removed from the plug insertion hole 300, it always rises upward.

As shown in FIGS. 6 to 8, the cover plate 530 is formed in a substantially plate shape and integrally fastened to the upper part of the base plate 510 at a predetermined interval through a spacer shaft 531 provided in the center (this In the embodiment of the invention, it is configured to be fastened through two screws), and a pair of second through holes 532 are bored to match the pair of first through holes 511. On the bottom surface of the cover plate 530, slide grooves 533L and 533R are formed to face left and right around the pair of second through holes 532, and at the edge of the cover plate 530, the base plate 510 is formed. A pair of second opening grooves 534 are formed to face each other at 189 degrees so as to coincide with one opening groove 513.

A pair of sliders 540L and 540R are slidably disposed in the slide grooves 533L and 533R of the cover plate 530, respectively, and as shown in FIGS. 6 to 8, the first through hole 511 ) and the second through hole 532 are perforated so as to selectively allow communication therebetween. In addition, an inclined surface 542 inclined downward toward the outside from the center of the cover plate 530 is formed around the through hole 541 to ensure communication between the first through hole 511 and the second through hole 532. can be blocked, and when the terminal pin 110 of the power plug 100 is inserted through the second through hole 532 from the top, it slides toward the center of the cover plate 530 due to the inclined surface 542 through the through hole ( 541), the second through hole 532, the first through hole 511, and the terminal hole 310 communicate with each other to allow insertion of the terminal pin 110 of the power plug 100. In addition, as the cover plate 530 together with the base plate 510 is raised to the top at the outer ends of the pair of sliders 540L and 540R, when the terminal pin 110 of the power plug 100 comes out, the locking groove 340 A stopper portion 544 that can be caught is provided.

The elastic member 550 is composed of a small compression spring, and as shown in FIGS. 6 and 7, it is accommodated in the sliders 540L and 540R, respectively, and slide grooves 533L and 533R of the cover plate 530 The sliders 540L and 540R are elastically supported in the outer direction of the cover plate 530. Therefore, when the terminal pin 110 of the power plug 100 is not inserted, the inclined surfaces 542 of the sliders 540L and 540R are positioned between the first through hole 511 and the second through hole 532, The communication between the first through hole 511 and the second through hole 532 is blocked, and the safety cover unit 500 can be maintained in a locked state by inserting the stopper part 544 into the locking groove 340 and engaging it. (See Figures 5 and 6).

As shown in FIGS. 7 and 8, the straight-line rotating cover plate 560 is rotatably coupled to the space shaft 531 in the horizontal direction through the coupling hole 561 at the center, and both edges are the base plate ( It extends to be located between the first opening groove 513 of 510 and the second opening groove 534 of the cover plate 530. In addition, both ends of the rotating cover plate 560 are coupled to the ends of the pair of sliders 540L and 540R through shafts 543 through long holes 562, so that the pair of sliders 540L and 540R cover When the plate 530 slides toward the center, it rotates at a predetermined angle in the forward direction, and the edges on both sides deviate from the gap between the first opening groove 513 and the second opening groove 513 and the second opening groove 513 and the second opening groove 513. Communication of the groove 534 is allowed. On the other hand, when the pair of sliders 540L and 540R slide and move in the outer direction of the cover plate 530, the rotation cover plate 560 rotates at a predetermined angle in the reverse direction while both edges of the first opening groove 513 ) and the second opening groove 534 to cover the upper end of the ground terminal 400 and block communication between the first opening groove 513 and the second opening groove 534 (see FIG. 5). . Due to this, unless the power plug 100 is inserted in the plug insertion hole 300, the open portion of the plug insertion hole 300 remains completely covered by the safety cover unit 500, thereby effectively preventing the inflow of foreign substances. there will be

<Description of the operation of the outlet equipped with the safety cover unit according to the present invention>

Next, the operation of the outlet safety cover unit according to the present invention configured as described above and the effect thereof will be described with reference to the accompanying drawings.

5 and 6, in a state in which the power plug 100 is not inserted, the safety cover unit 500 is located at the top by the elastic supporting force of the coil spring 520, and a pair of sliders 540L (540R) maintains the state moved outward by the elastic member (550). Therefore, the inclined surface 542 of the sliders 540L and 540R is located between the first through hole 511 and the second through hole 532 to block communication between them, and the stopper part 544 has a locking groove 340 ) to maintain the locking state. Both ends of the rotating cover plate 560 are located between the first opening groove 513 and the second opening groove 534 to block communication therebetween, so that the ground terminal 400 is also invisible from the outside. Accordingly, even if the safety cover unit 500 is artificially pressed in a state where the power plug 100 is not inserted, it does not go down, and even if chopsticks or the like are inserted into any one of the second through holes 532, the safety cover unit (500) does not go down.

9 and 10 in this state, when the terminal pins 110 of the power plug 100 are simultaneously inserted into the second through hole 532, the pair of sliders 540L and 540R are elastic members. It moves inward while overcoming the elastic support force of 550. That is, when the terminal pins 110 of the power plug 100 press down on the inclined surface 542 of the sliders 540L and 540R from the upper portion, the pair of sliders 540L and 540R move the center of the cover plate 530. As a result, the second through hole 532, the through hole 541, and the first through hole 511 communicate sequentially, and the terminal pin 110 is inserted. In addition, the stopper portion 544 of the sliders 540L and 540R comes out of the locking groove 340 and the locking state is released, and both ends of the rotating cover plate 560 are connected to the first opening groove 513 and the second opening By rotating out of the grooves 534, the ground terminal 400 is exposed to the outside through the first opening groove 513 and the second opening groove 534 (refer to the direction of the arrow in FIG. 10).

continue; As shown in FIG. 11, when the power plug 100 is completely inserted into the plug insertion port 300, the guide rod 512 is accommodated in the guide groove 320 while overcoming the elastic supporting force of the coil spring 520. And the hook locking jaw 514 goes down along the departure prevention groove 330. That is, the safety cover unit 500 together with the power plug 100 completely descends into the plug insertion hole 300, and the terminal pin 110 of the power plug 100 penetrates the terminal hole 310 (+ )(-) is connected to the terminal 210, and the ground terminal 400 is connected to the ground portion 120 of the power plug 100.

On the other hand, as shown in FIGS. 12 and 13, when the power plug 100 of the electrical appliance is pulled out, the safety cover unit 500 also rises due to the elastic supporting force of the coil spring 520. In this case, the hook locking jaw 514 goes up along the separation prevention groove 330, and the moment the terminal pin 110 comes out, the pair of sliders 540L and 540R move outward and the stopper part 544 moves outward. The safety cover unit 500 is raised until caught in the locking groove 340 to close the opening of the plug insertion port 300 . When the pair of sliders 540L and 540R move outward, the inclined surface 542 is positioned between the first through hole 511 and the second through hole 532 to block communication between them, and the rotation cover plate ( 560) is rotated to be positioned between the first opening groove 513 and the second opening groove 534 (refer to the direction of the arrow in FIG. 13), so the ground terminal 400 is not visible from the outside.

As described above, when the power plug 100 is not inserted, the safety cover unit 500 according to the present invention does not affect the contact of the (+) (-) terminal 210 and the opening of the plug insertion hole 300 Since it covers the whole, it can prevent electric shock and foreign substances such as dust while providing a sense of visual stability. In particular, since both ends of the rotating cover plate 560 cover the upper end of the ground terminal 400 in a state in which the power plug 100 is not connected, the safety cover unit 500 does not descend even when pressed from the outside, preventing foreign substances from entering as well as and prevent electric shock accidents more effectively. And only when the terminal pins 110 of the power plug 100 are inserted at the same time, the pair of sliders 540L and 540R slide inward, respectively, allowing the terminal pins 110 to enter, and also the rotating cover plate ( 560 is rotated at a predetermined angle to expose the upper end of the ground terminal 400, thereby connecting the power plug 100.

In addition, according to the safety cover unit 500 according to the present invention; When the power plug 100 is pulled out from the plug insertion hole 300 and the safety cover unit 500 is raised to the top, the pair of sliders 540L and 540R slide outward and the stopper part 544 is attached to the locking groove 340. By keeping the hooked locked state, even if the safety cover unit 500 is artificially pressed, it does not descend unless the terminal pin 110 of the power plug 100 is accurately inserted.

In addition, according to the safety cover unit 500 according to the present invention; The base plate 510 is coupled to be movable up and down on the wall of the plug insertion hole 300 through the separation prevention groove 330 and the hook locking jaw 514, and accordingly, the base plate 510, the cover plate 520, a pair After temporarily assembling the safety cover unit 500 composed of the sliders 540L and 540R, the elastic member 550, and the rotating cover plate 560, and then inserting it into the plug insertion hole 300 in an interference fit method, its assembly work can be easily finished.

100.. power plug 110.. terminal pin 120.. grounding part
200..outlet housing 210..(+)(-) terminal 300..plug insert
310.. Terminal hole 320.. Guide groove 330.. Separation prevention groove
340.. locking home 400.. ground terminal 500.. safety cover unit
510.. base plate 511.. first through hole 512.. guide rod
513.. first opening groove 514.. hook hook 520.. coil spring
530.. Cover plate 531.. Spacer shaft 532.. Second through hole
533L, 533R.. Slide groove 534.. Second opening groove 540L, 540R.. Slider
541.. Through hole 542.. Inclined surface 543.. Shaft
544.. Stopper part 550.. Elastic member 560.. Rotating shielding plate
561.. coupling hole 562.. long hole

Claims (3)

Inside, an outlet housing 200 in which a (+) (-) terminal 210 is accommodated and installed, and one surface of the outlet housing 200 is provided so that the power plug 100 can be inserted, and the power source is provided on the bottom surface. A plug insertion hole 300 in which terminal holes 310 are drilled so that the terminal pins 110 of the plug 100 can pass through and be connected to the (+) (-) terminal 210, and the power plug 100 A ground terminal 400, both ends of which are exposed to the inner space of the plug insertion hole 300 through the wall surface of the plug insertion hole 300 so as to be connected to the grounding part 120 provided on the side of the plug insertion hole 300, In the outlet installed in the plug insertion hole 300 and having a safety cover unit 500 for opening and closing the terminal holes 310 according to whether the terminal pins 110 of the power plug 100 are inserted;
The safety cover unit 500;
A pair of first through-holes 511 are drilled so as to be accommodated in the plug insertion hole 300 so as to be able to go up and down and coincide with the terminal holes 310, and the bottom surface thereof is perpendicular to the bottom surface of the plug insertion hole 300. A pair of guide rods 512 are provided for guiding elevation by being accommodated in the guide groove 320 provided in the direction, and a pair of first opening grooves 513 face each other at the edges so that the ground terminal 400 is exposed. a base plate 510 formed to be;
It is arranged to surround the guide rod 512 accommodated in the guide groove 320, the lower end is supported on the lower surface of the guide groove 320, and the upper end is supported on the lower surface of the base plate 510 so that the base plate 510 ) And a coil spring 520 for elastically supporting the upper side;
A pair of second through holes 532 are integrally fastened to the top of the base plate 510 at a predetermined interval through a spacer shaft 531 provided in the center and matched with the pair of first through holes 511. perforated, and on the bottom surface, slide grooves 533L and 533R are formed to face left and right around the pair of second through holes 532, and the pair of edges match the pair of first opening grooves 513. a cover plate 530 having second opening grooves 534 facing each other;
Communication holes (533L and 533R) of the cover plate 530 are slidably disposed to selectively allow communication between the first through hole 511 and the second through hole 532. 541) is perforated, and an inclined surface 542 is formed around the communication hole 541 and is inclined downward toward the outside from the center of the cover plate 530, thereby forming the first through hole 511 and the second through hole. 532 may block communication, and when the terminal pin 110 of the power plug 100 is inserted from the top through the second through hole 532, the cover plate 530 While sliding in the center direction, the second through hole 532, the first through hole 511, and the terminal hole 310 communicate with each other through the through hole 541, so that the terminal pin of the power plug 100 communicates with each other. (110) a pair of sliders 540L and 540R allowing insertion;
The pair of sliders 540L and 540R are accommodated and disposed, and the sliders 540L and 540R are moved in the slide grooves 533L and 533R of the cover plate 530 toward the outside of the cover plate 530. elastically supported so that when the terminal pin 110 of the power plug 100 is not inserted, the inclined surfaces of the sliders 540L and 540R are placed between the first through hole 511 and the second through hole 532. an elastic member 550 for blocking communication between the first through hole 511 and the second through hole 532 by positioning 542;
The center portion is rotatably coupled to the space axis 531 in a horizontal direction through a coupling hole 561, and both edges of the first opening groove 513 of the base plate 510 and the cover plate 530 are rotatably coupled. It extends to be located between the second opening grooves 534, and both ends are coupled to the ends of the pair of sliders 540L and 540R by shafts 543, so that the pair of sliders 540L and 540R are When the cover plate 530 slides toward the center, it rotates in the forward direction so that the edges on both sides deviate from the gap between the first opening groove 513 and the second opening groove 534 and the first opening groove 513 and the second opening groove 513 Communication between the opening grooves 534 is allowed, and when the pair of sliders 540L and 540R slide and move outwardly of the cover plate 530, they rotate in the opposite direction so that both edges of the first opening groove ( 513) and the second opening groove 534 to cover the upper end of the ground terminal 400 while blocking communication between the first opening groove 513 and the second opening groove 534. the cover plate 560; An outlet equipped with a safety cover unit, characterized in that it is provided. According to claim 1,
A pair of locking grooves 340 are provided on the upper portion of the wall of the plug insertion hole 300 to face each other;
At the outer ends of the pair of sliders 540L and 540R, the cover plate 530 together with the base plate 510 rises to the top, and when the terminal pin 110 of the power plug 100 comes out, the cover plate ( Outlet with a safety cover unit, characterized in that the stopper portion 544 is provided to be caught in the locking groove 340 while sliding outward of 530). According to claim 1,
The wall surface of the plug insertion hole 300 is provided with a separation prevention groove 330 facing each other in the vertical direction;
The edge of the base plate 510 is accommodated in the separation prevention groove 330, and the hook locking jaw 514 prevents separation from the plug insertion hole 300 while allowing the base plate 510 to move up and down. An outlet with a safety cover unit, characterized in that the opposite is provided.

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