KR100664765B1 - A waterproof safety plug socket - Google Patents

Abstract

According to the present invention, the plug pins are universally usable for the 4 mm standard and the 4.8 mm standard, so that the plug pins are completely waterproof even at the time of non-use as well as the plug connection regardless of the plug pin specifications. The present invention relates to a waterproof safety outlet that enables rapid drainage, maintains a waterproof function even when flooded, and is easy to manage, and prevents a short circuit and an electric shock accidentally improving safety.

The present invention for realizing this is a pair of terminal holes are formed on the bottom surface and the upper casing is provided with one or more plug grooves for protecting the plug, the terminal box is provided with a connection terminal disposed on the communication line with the terminal holes, In a conventional plug-in receptacle disposed between the terminal hole and the connecting terminal and including a shield member of a safety device for automatically opening and closing the terminal hole in accordance with the removal of the plug pin, the plug pin on the upper portion of the terminal hole for waterproofing Plug packing is formed in the terminal hole in close contact with, characterized in that a fixed cover for fixing the plug packing is provided.

Description

Waterproof safety outlet {A WATERPROOF SAFETY PLUG SOCKET}

1 is a partially exploded perspective view showing the configuration of an embodiment according to the present invention

2 is a perspective view of the combination of FIG.

3 is a plan view of FIG.

4 is a front view of FIG. 1

5A is a cross-sectional view taken along the line A-A of FIG.

FIG. 5B is a variable state diagram of FIG. 5A

6 is a cross-sectional view taken along the line B-B of FIG.

7 is a perspective view of a shielding member of one embodiment according to the present invention;

* Explanation of symbols for the main parts of the drawings

1: waterproof safety outlet of the present invention 2: plug 2a: plug pin

10: upper casing 10A: plug groove 11: bottom

12: terminal hole 13: ground hole 14: hook hole

15: drain hole 20: terminal box 21: connection terminal

23: drain hole 25: plug 27: ground terminal

30: shield member 31: plate 33: shielding projection

35: shaft 37: worm screw groove 38: spring

40: plug packing 41: terminal hole 43: pleated end

45 hook hole 50 fixing cover 51 cover plate

55: plug packing receiving space 60: shield member chamber 63: worm protrusion

70: wrinkle packing 80: switch 83: transparent soft cover

The present invention relates to a power outlet, and in particular, the plug pins are provided with a universally usable plug packing for the 4 mm and 4.8 mm diameters of the plug pins, regardless of the plug pin specification. Fully waterproof at all times, the drainage is fast and maintains the waterproof function even when inundated, easy to manage, and prevents short circuit and electric shock accidents to improve the safety safety waterproof outlet.

Because the outlet is humid and there is a risk of electric leakage or electric shock in the water, there is a need for a waterproof structure and a safety device to prevent electric shocks that may occur when children play with metal, etc. Is disclosed.

The waterproofing outlet of the prior art used indoors is rotated variable depending on whether the plug is inserted into the terminal hole, and a technology having a shielding member for opening or blocking the terminal hole is disclosed in Korean Patent Application No. 20-1993-0029440. An outlet having a cover for blocking a terminal hole is disclosed in Utility Model Registration No. 125092.

Such a configuration prevents the ingress of water droplets by blocking the terminal hole when not in use, and it is effective to prevent safety accidents by keeping the blocking state when children insert chopsticks into only one of the pair of terminal holes.

However, in such a configuration, there is a possibility that water may penetrate due to incomplete sealing of the shielding member against the terminal hole. Especially, the diameter of the terminal hole is 5.5 mm in the specification of wiring plug-in outlet, whereas the diameter of the plug pin is Silver has two gaps of 4mm and 4.8mm, so that there is a gap of 0.7mm to 1.5mm, and there is a very dangerous problem that water can penetrate even when plugged into this air gap.

In addition, the outlet is equipped with a side grounding or a center grounding earthing terminal, although a cover may be installed to prevent water droplets from scattering in the grounding terminal hole, but this conventional technique is possible when using an A-shaped plug, but in the case of a one-shaped plug, the lid is completely There was a problem that can not be performed because it is not closed.

In addition, if the water is accumulated accidentally spilled on the plug groove of the outlet for protecting the plug, it should be able to discharge quickly, but this part was lacking in the prior art.

In addition, in order to open and close the cover, a cumbersome operation for locking and releasing a clamp or a band is followed, which causes inconvenience in use.

The present invention has been made to solve the above problems,

The purpose of the present invention is that the plug pin diameter of 4 mm and 4.8 mm is given plug packing which can be used universally, regardless of the plug pin specification. It is made to provide a waterproof safety outlet that is quick to drain and maintains a waterproof function even when flooded, and is easy to manage, and prevents a short circuit and an electric shock accidentally improving safety.

Another object of the present invention to provide a waterproof safety outlet having a convenience while performing a waterproof function.

Waterproof safety outlet according to the present invention for achieving the above object,

A pair of terminal holes are formed on the bottom surface and the upper casing is provided with at least one plug groove for protecting the plug, a terminal box provided with a connection terminal disposed on the communication line and the terminal hole, between the terminal hole and the connection terminal In a conventional plug-in receptacle including a shield member of a safety device for automatically opening and closing the terminal hole according to the insertion and removal of the plug pin, the terminal hole in close contact with the plug pin is formed on the upper portion of the terminal hole for waterproofing Plug packing and a fixing cover for fixing the plug packing is provided.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a partially exploded perspective view showing the configuration of an embodiment according to the present invention, Figure 2 is a perspective view of the combination of Figure 1, Figure 3 is a plan view of Figure 1, Figure 4 is a front view of Figure 1, Figure 5a is a AA of Figure 3 5B is a variable state diagram of FIG. 5A, and FIG. 6 is a cross-sectional view taken along line BB of FIG. 1 to 6, the waterproof safety outlet 1 according to the present invention, a pair of terminal holes 12 are formed in the bottom surface 11 and the plug groove for protecting the plug 2 An upper casing 10 having at least one 10A, a terminal box 20 provided with a connection terminal 21 arranged on a communication line with the terminal hole 12, and the terminal hole 12 and the connection terminal 21. In a conventional plug-in receptacle which is disposed between the and including a shield member 30 of the safety device for automatically opening and closing the terminal hole 12 in accordance with the removal of the plug pin (2a), the terminal for waterproof A plug packing 40 having a terminal hole 41 in close contact with the plug pin 2a on the upper part of the hole 12 and a fixing cover 50 for fixing the plug packing 40 are provided.

Here, the shield member 30 constituting the safety device is a rotating shaft 35 is formed with a worm screw groove 37 in the plate 31 is formed with a shielding projection 33 for detachable to the terminal hole 12 of the plug groove It is provided integrally (see Fig. 7), the shield member chamber 60 is fixedly installed below the terminal hole 12 of the plug groove and the inner circumferential surface of the through hole 61 in the center of the bottom surface of the shield member chamber 60 A worm protrusion 63 corresponding to the worm screw groove 37 is formed to protrude, and a spring 38 for holding down the shield member 30 is preferably provided. Worm screw groove 37 of the shield member may be made of two or four sets.

When the plug pin 2a is inserted by the above configuration, the shielding member 30 is pressed while the shielding protrusion is rotated out of the inner wall of the terminal hole 12, and the worm screw groove 35 is guided to the worm protrusion 63. Rotation is lowered to the shield member 30 is out of the plug pin, and when the plug pin is pulled out reversely by the elastic force of the spring 38 and the worm screw groove 37 and the worm protrusion (63) rotates to its original position Return to.

At this time, when the child inserts the iron with one side of the terminal hole as a joke, the shielding member 30 is inclined and does not rotate.

 The terminal hole 41 of the plug packing 40 has a corrugated end 43 formed around the terminal hole 41 so as to be expandable and contractable according to the diameter of the plug pin 2a, and the fixing cover 50 is a cover plate. A hook 53 for fixing while forming a space 55 through which the plug packing 40 flows between the plug groove bottom surface 11 and the plug groove bottom 11 is formed to protrude to both lower sides, and the hook 53 Hook holes 45 and 14 corresponding to the plug packing 40 and the bottom surface 11 of the plug groove are preferably formed to be coupled. The plug packing 40 is made of a soft material.

The space 55 for accommodating the plug packing reduces the friction when the plug pin 2a passes through the terminal hole 41 to prevent wear and damage of the plug packing, and the position of the plug pin in the terminal hole 12 is reduced. Thus, the plug packing 40 can be flowed.

As described above, the diameter of the plug pin 2a is manufactured in two standards of 4 mm and 4.8 mm in diameter according to international standards. As the corrugated end 43 is formed as described above, the plug pin 2a is closely attached to the plug pin while flexibly responding to the tolerance. Fully waterproof. The pleat end 43 may have a concentric circle shape and may have a spiral shape or a square shape.

In addition, it is preferable that the ground terminal 27 is inserted into the bottom surface 11 of the plug groove in order to seal the ground hole 13, and a wrinkle packing 70 having wrinkles formed around the insertion hole is installed at the corresponding position.

The ground terminal 27 is elastically hold the plug (2) body with a grounding function to generate a flow when the plug is inserted and detached. As the wrinkle packing (70) as described above is provided, the flow is free and waterproof.

In addition, at least one drain hole 15 may be formed in the main wall of the plug groove 10A of the upper casing 10.

In addition, the terminal box 20 is made of a transparent body, the drain hole 23 is formed, the drain hole may be provided with a stopper 25 having a packing 25a (see Fig. 4).

The plug 25 may be hinged to the terminal box 20 or may be integrally formed through the connecting rod 29 of a flexible material.

In addition, the upper casing 10 may be further provided with a switch 80 having a transparent soft cover 83.

Further, the plate 51 of the fixing cover has protrusions 51a for assembly guides formed at both sides to facilitate assembly of the plug packing 40 and the fixing cover 50 to the plug groove 10A. The protrusion 51a is formed to correspond to the groove 17 already formed in the circumferential wall of the plug groove.

Look at the working state of the waterproof safety outlet 1 according to the present invention having such a configuration.

The plug packing 40 is in close contact with the plug pin when the plug pin (2a) is inserted, and in close contact with the shielding projection (33) of the shielding member when the plug pin is not in use so that it is always waterproof.

In addition, the plug packing 40 is made of a flexible material and the corrugated end 43 around the terminal hole 41 allows the terminal hole to be stretchable so that it can be universally used for plug pins 2a having different diameters. .

In addition, since the wrinkled packing 70 is applied to the ground terminal 27, perfect waterproof is achieved.

In addition, since the drain hole 15 is formed in the circumferential wall of the plug groove 10A, when water flows into the plug groove, drainage is quickly performed.

In addition, since the terminal box 20 is formed of a transparent body and the plug 25 provided with the packing 25a is provided so as not to be separated from the terminal box, the terminal box 20 may be visually checked and the management and handling may be easy.

In addition, the present invention eliminates the need for a separate step such as opening and closing a cover, which has been involved in the prior art, when the plug is inserted and removed, and has a structure in which a plug is simply inserted and removed like a general type outlet, thereby providing a waterproof function and significantly improving convenience.

In the above, preferred embodiments of the present invention have been described with reference to the accompanying drawings. Here, the terms or words used in the present specification and claims should not be construed as being limited to ordinary or dictionary meanings, but should be construed as meanings and concepts corresponding to the technical spirit of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

As described in detail above, the waterproof safety outlet according to the present invention,

The plug packing is universally usable for the plug pin size, so that it is completely waterproof at the time of non-use as well as the plug connection regardless of the plug pin size, and the drainage is quick and waterproof even when flooded. It is easy to manage by maintaining and prevents a short circuit and an electric shock accident.

In addition, when the plug is removed, there is no need for a separate step such as opening and closing a cover, which has been involved in the related art, and as a general type outlet, a simple structure in which a plug is simply inserted and removed has a waterproof function and significantly improves convenience.

Claims (8)

A pair of terminal holes 12 are formed in the bottom surface 11 and the upper casing 10 having one or more plug grooves 10A for protecting the plug 2, and in communication with the terminal holes 12. The terminal box 20 is installed between the terminal box 20, the terminal hole 12 and the connecting terminal 21 is installed in the terminal hole 12 is automatically opened and closed according to the removal of the plug pin (2a) In a conventional plug-in outlet comprising a shield member 30 of the safety device for A plug packing 40 having a terminal hole 41 in close contact with the plug pin 2a on the upper portion of the terminal hole 12 and a fixing cover 50 for fixing the plug packing 40 are provided for waterproofing. Waterproof safety outlet characterized in that granted. The method of claim 1, The shielding member 30 is integrally provided with a rotating shaft 35 in which a worm screw groove 37 is formed on a plate 31 on which a shielding protrusion 33 is attached and detached from the terminal hole 12 of the plug groove. Worm corresponding to the worm screw groove 37 on the inner circumferential surface of the through hole 61 in the center of the bottom surface of the shield member chamber 60 is fixedly installed below the terminal hole 12 of the plug groove. Protruding portion 63 is formed, Waterproof safety outlet, characterized in that provided with a spring (38) for holding down the shield member (30). The method of claim 1, The terminal hole 41 of the plug packing 40 has a corrugated end 43 formed around the terminal hole 41 so as to be extensible according to the diameter of the plug pin 2a. The fixing cover 50 has a hook 53 for fixing while forming a space 55 in which the plug packing 40 flows between the cover plate 51 and the plug groove bottom 11. Protrude to both sides, Waterproof hook safety socket, characterized in that the hook hole (45) corresponding to the hook (53) is formed on the bottom surface of the plug packing (40) and the plug groove (11). The method of claim 1, Waterproof safety, characterized in that the bottom surface 11 of the plug groove is inserted in the ground terminal 27 to seal the ground hole 13 and the wrinkle packing (70) formed with a pleat around the insertion hole in the corresponding position consent. The method of claim 1, Waterproof safety outlet, characterized in that at least one drain hole 15 is formed in the main wall of the plug groove (10A) of the upper casing. The method of claim 1, The terminal box (20) is made of a transparent body and the drain hole 23 is formed and the waterproof safety outlet, characterized in that the stopper 25 is provided with a packing (25a) is provided. The method of claim 1, The upper casing 10 is a waterproof safety outlet, characterized in that the switch is further provided with a transparent soft cover (83) (80). The method of claim 1, Plate 51 of the fixing cover is a waterproof safety outlet, characterized in that the protrusions (51a) for the assembly guide is formed on both sides.

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