KR20230125707A - Outlets including ground terminals For X-Type - Google Patents

Abstract

The present invention relates to a structure in which a cord is guided to correspond to a terminal hole of an outlet when a plug is inserted and an outlet in which stable contact is made with a variable ground terminal, which is coupled to a base and has a center of rotation corresponding to the insertion direction of the plug. a safety shutter capable of rotating at a predetermined angle around the center and having a pair of insertion holes into which electrode terminal pins of the plug are inserted; A plurality of grounding units provided in contact with the outer circumferential surface of the safety shutter and spaced apart from each other; and a frame passing through and coupled to a plurality of grounding parts, fixed to be arranged at predetermined intervals between the grounding parts, and functioning as a rotation center around which the grounding parts are rotated.

Description

Outlets including ground terminals For X-Type}

The present invention relates to a structure in which a cord is guided to correspond to a terminal hole of an outlet when a plug is inserted and an outlet in which stable contact with a variable ground terminal is made.

In general, an outlet is a device into which a plug is inserted by connecting to a wire to connect a wire and a cord through which electricity flows. In order to use the outlet, a plug must be inserted into the outlet, and a pair of electrodes are provided on the front of the plug. In other words, electricity can flow only when a pair of electrodes are accurately inserted into the outlet hole. However, in the case of an existing outlet, when installed in a concealed location, the plug hole of the outlet may be inconspicuous, and in this case, it is difficult to insert the plug into the outlet. Therefore, you have to turn the plug to find the right direction for the hole. Furthermore, there is a demand for an outlet that secures stability through stable contact of a ground terminal when a plug is inserted.

Republic of Korea Patent Publication No. 2017-0140125 (2017. 12. 20)

The purpose of the internal terminal structure according to an embodiment of the present invention is to ensure stable grounding even when plugs are connected in a plurality of directions.

The present invention relates to a structure in which a cord is guided to correspond to a terminal hole of an outlet when a plug is inserted and an outlet in which stable contact is made with a variable ground terminal, which is coupled to a base and has a center of rotation corresponding to the insertion direction of the plug. a safety shutter capable of rotating at a predetermined angle around the center and having a pair of insertion holes into which electrode terminal pins of the plug are inserted; A plurality of grounding units provided in contact with the outer circumferential surface of the safety shutter and spaced apart from each other; and a frame that penetrates and is coupled to a plurality of grounding parts, is fixed to be arranged at a predetermined interval between the grounding parts, and functions as a rotation center around which the grounding parts are rotated.

In addition, a ground terminal plate maintaining a contact state with the ground terminal ring even when the body is rotated corresponding to the ground terminal ring may be further included.

In addition, the first electrical terminal and the second electrical terminal may extend from the center of the body along the outer circumferential surface of the body beyond a rotation angle allowed by the rotation accommodating unit.

In addition, the first and second electrical terminals extending along the outer circumferential surface of the body may include a first connection terminal and a second connection terminal that maintain a contact state within a rotation angle range allowed by the rotation accommodating unit. there is.

In addition, the safety shutter may be orthogonal to the center of rotation and have different intersecting distances, and may be rotated about the frame by pressing a pair of ground portions facing each other by rotation.

In addition, the rotated frame may further include an elastic part for returning the safety shutter in a reverse direction to the rotational direction around the frame when the safety shutter is returned.

An internal terminal structure according to an embodiment of the present invention can provide an outlet including an internal terminal that enables stable grounding even when plugs are connected in a plurality of directions.

1 is a view showing an existing common plug and outlet.
Figure 2 is a view showing the plug coupling direction (range) of the existing outlet and the plug coupling direction (range) of the new type outlet described in the present invention.
3 is a view showing binding directions of plugs in a new type of outlet described in the present invention.
Figure 4 is a view showing the shape and binding structure of the existing outlet and plug.
5 is a diagram showing the movement (operation) of a ground terminal when a plug is coupled when a ground terminal (structure) used in an existing outlet is used in a new type of outlet described in the present invention.
6 is a view showing the movement (operation) of a grounding terminal when a plug is coupled when a new grounding terminal (structure) described in the present invention is used in a new type of outlet described in the present invention.
7 is a view showing a typical plug and receptacle;
8 is a view showing the appearance of a new type of outlet according to an embodiment of the present invention.
9 is a view showing structural shapes of an internal ground terminal and a safety shutter excluding an external case in a new type of outlet according to an embodiment of the present invention.
10 is a view showing structural shapes of an internal ground terminal and a safety shutter excluding an external case in a new type of outlet according to an embodiment of the present invention.
11 shows the structural position of the safety shutter assuming that the plug is bound
A drawing showing the structural location of the grounding terminal.
12 is a view showing that the safety shutter and the ground terminal move in conjunction with each other, which is described in the present invention.
13 is a view showing the rear side of an outlet to help understand the structure of a safety shutter and a ground terminal described in the present invention.
Figure 14 (a) is a perspective view showing the outlet according to an embodiment of the present invention from the upper side, Figure 14 (b) is a perspective view showing the outlet according to an embodiment of the present invention from the bottom side.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. However, this is only an example and the present invention is not limited thereto.

In describing the present invention, if it is determined that a detailed description of the known technology related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of a user or operator. Therefore, the definition should be made based on the contents throughout this specification.

The technical spirit of the present invention is determined by the claims, and the following examples are only one means for efficiently explaining the technical spirit of the present invention to those skilled in the art to which the present invention belongs.

The present invention relates to a structure in which a cord is guided to correspond to a terminal hole of an outlet when a plug is inserted and an outlet in which stable contact with a variable ground terminal is made. It will be described in detail with reference to FIGS. 1 to 14 below.

First, the characteristics of one embodiment of the present invention are as follows. a safety shutter coupled to the base, rotatable at a predetermined angle around the center of rotation corresponding to the insertion direction of the plug, and having a pair of insertion holes into which electrode terminal pins of the plug are inserted; A plurality of grounding units provided in contact with the outer circumferential surface of the safety shutter and spaced apart from each other; and a frame that penetrates and is coupled to a plurality of grounding parts, is fixed to be arranged at a predetermined interval between the grounding parts, and functions as a rotation center around which the grounding parts are rotated.

In addition, a ground terminal plate maintaining a contact state with the ground terminal ring even when the body is rotated corresponding to the ground terminal ring may be further included.

In addition, the first electrical terminal and the second electrical terminal may extend from the center of the body along the outer circumferential surface of the body beyond a rotation angle allowed by the rotation accommodating unit.

In addition, the first and second electrical terminals extending along the outer circumferential surface of the body may include a first connection terminal and a second connection terminal that maintain a contact state within a rotation angle range allowed by the rotation accommodating unit. there is.

In addition, the safety shutter may be orthogonal to the center of rotation and have different intersecting distances, and may be rotated about the frame by pressing a pair of ground portions facing each other by rotation.

In addition, the rotated frame may further include an elastic part (not shown) for returning the safety shutter in a reverse direction to the rotational direction around the frame when the safety shutter is returned.

1 is a view showing a typical plug and outlet. As can be seen through FIG. 1 , the plug has ground terminals PJ01 and PJ02 and electrical terminal pins PP01 and PP02.

As can be seen through FIG. 1, the outlet also has ground terminals CJ01 and CJ02. As can be seen in FIG. 1, the ground terminals (PJ01, PJ02) of the plug have a structural shape buried inward with respect to the plug body, and the ground terminals (CJ01, CJ02) of the outlet extend inside the range where the plug body is bound. It is true that it protrudes. In general, it is true that the ground terminal of a plug is buried about 2 to 2.5 mm, and the ground terminal of an outlet protrudes about 3.5 to 4.5 mm. This can be checked and understood more easily and in detail through FIG. 4 .

The outlet of the new type proposed by the present invention has four holes, unlike the existing general outlet, which has two existing two holes, that is, two holes into which electrical terminal pins (PP01, PP02) of the plug are inserted. It is characterized in that only two holes are selectively used among the four holes in binding the electrical terminal pins (PP01, PP02) of the plug. Unlike the 2-way plug coupling direction of existing outlets, it is characterized by having a 4-way coupling direction. This can be confirmed and understood through FIGS. 2 and 3 . In an outlet used by binding a plug, a grounding terminal is an essential element.

Grounding means connecting a part of an electric circuit or electrical equipment to the ground using a conductor. The purpose of grounding is to protect equipment and human bodies from lightning, sudden high-voltage signals, unintentional short circuits, electric shocks and fires caused by contact between electrical equipment and the body. To this end, ground terminals (CJ01, CJ02) are essentially structural devices in the outlet, as can be seen in FIG. 1. Even in the outlet of the new method (four holes) described in the present invention, the ground terminal is an essential element. In other words, the structure must be installed. The plug used in the new type (four holes) outlet described in the present invention uses the existing plug, not the new type. This requires that the grounding parts (FJ01, FJ02, FJ03, FJ04) of the socket be in smooth contact with the plug grounding terminals (PJ01, PJ02) even when the existing plug is bound to the new type (four holes).

In implementing a new method (four holes) outlet, four grounding parts (FJ01, FJ02, FJ03, FJ04) must be structurally positioned in the same direction as the four holes. It is true that when the electric terminal pins (PP01, PP02) of the plug are inserted into two holes selectively among the four holes, the other two-way outlet ground terminals must smoothly contact the plug ground terminals (PJ01, PJ02). .

In using the existing plug, since the ground terminals (PJ01, PJ02) of the existing plug are buried toward the inside of the plug body, the ground parts (FJ01, FJ02, FJ03, FJ04) of the outlet are buried in the plug ground terminals (PJ01, PJ02). It must protrude more than the specified depth. The outlet grounding parts (FJ01, FJ02, FJ03, FJ04) should protrude more than the buried depth of the plug terminals (PJ01, PJ02) so that the contact between the outlet grounding terminal and the plug grounding terminal is well maintained when the plug is bound. This can be explained and understood through FIG. 5 . As can be understood through the leftmost drawing of FIG. 5, the new type of outlet (four holes) has a structure in which the ground parts (FJ01, FJ02, FJ03, FJ04) are essentially structurally positioned in the direction of each hole, and the structure is buried when the plug is bound. In order to facilitate contact with the ground terminals (PJ01, PJ02) of the plug having the plug, it protrudes into the space where the plug is bound.

However, this can cause problems, and the problems are as follows. As can be seen through FIG. 5, it is true that the plug used has a structure in which the ground terminals (PJ01, PJ02) having a buried structure and two parts spaced apart at an angle of 90' protrude. The protruding part of the plug is located on the same line as the electrical terminal pin of the plug, which is the same line as the hole where the plug electrical terminal pins (PP01, PP02) bind in the new type (4 holes) outlet. This creates a phenomenon in which the ground terminal is pushed outward excessively.

As can be seen through sample A in FIG. 5, when the plug is bound to the new type of outlet (4 holes) in the same direction and manner as sample A in FIG. 5, two grounding parts ( FJ01, FJ03) has a feature of being pushed outward. In addition, when the plug is coupled to the new type of outlet (four holes) in the same direction and method as in sample B of FIG.

The ground terminal located on the outlet is in contact with the ground terminal (PJ01, PJ02) of the plug.

You can play a role by touching. This means that you must maintain contact with the ground terminals (PJ01, PJ02) of the plug. However, as described above, when the ground terminal of the conventional method (protruding method) is placed on a new outlet with four holes, that is, when the plug is not bound, the ground terminal of the outlet (CJ01, CJ02, CJ03, CJ04) is shown in FIG. If the device is located in the position (inside the space where the plug body is bound) as can be seen in (when the plug is bound), the two outlet ground terminals are selectively pushed outward by the protruding part of the plug, resulting in loss of elasticity or damage. Concerns arise. This may cause a problem that the outlet ground terminal does not play its original role.

As can be seen through FIG. 6, in the new outlet (four holes), the four-way grounding parts (FJ01, FJ02, FJ03, FJ04) are structured so that they do not protrude differently from the existing method (protrusion method). do. That is, as shown in the leftmost drawing of FIG. 6, the structural positions of the grounding parts (FJ01, FJ02, FJ03, FJ04) of the outlet do not invade the space where the plug is bound. If the existing method is to have a protruding structure to make contact with the ground terminals (PJ01, PJ02) of the plug having a buried structure, the method described in the present invention does not contact the ground terminals (PJ01, PJ02) of the plug. Even if not, it is characterized in that the structure is positioned outside the plug binding space instead of inside the plug binding space. It is obvious that this makes it impossible to contact the ground terminal of the plug and the ground terminal of the outlet when the plug is bound.

As can be seen in FIG. 6, the present invention proposes the following solution.

As described above, before binding the plug, the grounding portions of the outlet (FJ01, FJ02, FJ03, FJ04) are structurally positioned outside the binding range of the plug body. As can be seen in FIG. 6, when the four grounding parts (FJ01, FJ02, FJ03, FJ04) are placed in the new type of outlet (four holes), when viewed in a state in which the plug is not bound, FIG. 6 As can be seen in Fig. 2, the location of the structure device of the grounding parts (FJ01, FJ02, FJ03, FJ04) is located outside the range where the plug body is bound.

When the plug is bound, when the plug is bound in the same direction and manner as shown in sample C of FIG. to contact the ground terminals (PJ01, PJ02) of the plug.

When the plug is bound in the same direction and method as in sample D of FIG. PJ01, PJ02).

The method to selectively move the ground part (FJ01, FJ03) or the ground terminal (FJ02, FJ04) inward when the plug is bound to a new type of outlet (4 holes) is as follows.

It is true that electrical outlets have shutter devices for safety. As a device to prevent accidents that may occur when young children poke sharp objects such as chopsticks into electrical outlets as a joke, it is a device part located on the same line as the hole into which the electrical terminal pins (PP01, PP02) of the plug are inserted. .

It is true that all outlet safety shutters, as one of several device parts constituting the outlet, are moved by the plug electrical terminal pins (PP01, PP02) when the plug is engaged.

In the structure and operation method of the grounding parts (FJ01, FJ02, FJ03, FJ04) of the new type of outlet (4 holes) described in the present invention, as described above, the grounding parts (FJ01, FJ03) and the grounding terminal ( The method of selectively pushing FJ02 and FJ04 inward is characterized by the solution of the present invention being operated in conjunction with the safety shutter whose movement is determined by the plug electrical terminal pins PP01 and PP02.

It is true that safety shutters that are structured as one part of an outlet are composed of more than one part, and it is also true that they operate in various ways. The problem solving method described in the present invention is a safety shutter whose movement is determined by the movement of safety shutters having various structures and operation methods, that is, the plug electrical terminal pins PP01 and PP02, and a new type of outlet described in the present invention ( As the grounding parts (FJ01, FJ02, FJ03, FJ04) of the four holes) are directly or indirectly connected and operated, only the grounding terminals selectively required when the plug is bound as described above are used as plug grounding terminals (PJ01, PJ02). to come into contact with

Preferred embodiments through specific descriptions are as follows.

8 is a view showing the appearance of a new outlet (four holes) according to a preferred embodiment of the present invention. 9 is a view showing the internal parts of a new outlet (four holes) excluding the outer appearance according to a preferred embodiment of the present invention, and is flexibly connected to the safety shutter (SS01) and the safety shutter (SS01) to be described in the present invention. This is a drawing showing the grounding parts (FJ01, FJ02, FJ03, FJ04) and the frame (JF01), which is located in the outlet case and helps determine the structure location of the four grounding terminals.

FIG. 10 is an enlarged view of FIG. 9 , in which a space range mark where a plug is bound and a position mark of four holes into which electric terminal pins of the plug are inserted are added. FIG. 11 is a view illustrating insertion positions PN01 and PN02 by dividing holes into which electrical terminal pins PP01 and PP02 of the plug are inserted, assuming that the plugs are coupled based on FIG. 10 .

As can be seen from the drawing of FIG. 10, when the plug is engaged, that is, when the electrical terminal pins of the plug are inserted into two selected holes out of four holes, the safety shutter SS01 rotates clockwise according to the two selected holes. and has a structure and feature that rotates counterclockwise. As can be seen in the attached drawing below, the safety shutter (SS01) is characterized by having two holes instead of four holes, which is the direction of rotation according to two holes among the four holes determined by the binding direction of the plug. has this defining characteristic.

Referring to Figures 11 and 10 will be described in detail.

As confirmed in FIG. 11, when the plug terminal pins PP01 and PP02 are inserted into the insertion positions PN01 and PN02, the safety shutter SS01 rotates to the left, that is, counterclockwise, compared to FIG. 10 can confirm that it has been done. As such, the direction of rotation of the safety shutter SS01 is determined according to the coupling direction of the plug.

As the rotation direction is determined according to the plug connection direction, the safety shutter (SS01) has the feature of selectively interlocking and operating only two ground terminals among the four ground parts (FJ01, FJ02, FJ03, FJ04). This can be explained and understood in more detail through FIG. 12 . A detailed explanation follows. What can be confirmed through FIG. 12 is that when the plug is coupled, that is, according to the plug binding direction, the rotation direction of the safety shutter SS01 is determined according to the positions of the two holes where the plug electrical terminal pins are coupled among the four holes. can be known to be

The structural features of the safety shutter (SS01) are as follows. The rotation of the safety shutter SS01 rotates based on the rotation center TC01. The structural shape of the safety shutter SS01 has an elliptical shape rather than a circular shape, as can be seen in the accompanying drawings below. This means that when it rotates around the rotation center TC01, the impact range is different.

As can be seen through FIG. 12, when the plug is not coupled, the four-way grounding parts (FJ01, FJ02, FJ03, FJ04) are separated from the safety shutter (SS01) at equal intervals or maintain only a slight contact. Unlike this, when the plug is in a binding state, only two ground terminals are selectively pushed outward, and it can be confirmed that there is no contact with the remaining two ground terminals. This indicates and understands that the safety shutter SS01 and the ground portions FJ01, FJ02, FJ03, and FJ04 work flexibly.

For reference, in the diagram showing when the plugs are bound in FIG. 12, the two dots in red and purple in the middle, rather than the four ground terminals, indicate the positions of the plug electrical terminal pins (PP01, PP02) when the plugs are bound. .

It can be understood from the above description that the direction of rotation of the safety shutter SS01 is determined according to the binding direction of the plug, and only the two ground terminals determined by the rotation of the safety shutter SS01 are pushed outward. However, the grounding terminal pushed outward by the movement of the safety shutter SS01 has the following characteristics, so that it comes into contact with the grounding terminals PJ01 and PJ02 of the plug.

The four ground portions FJ01, FJ02, FJ03, and FJ04 have a feature of being positioned by a frame JF01 for locating the ground terminal. Even if the movement of the four grounding terminals occurs due to other parts, the movement occurs in connection with the frame (JF01). This means that a part of the ground terminal pushed outward by the safety shutter SS01 is pushed out rather than the entire ground terminal. In addition, the motion of the four grounding terminals by the frame (JF01) whose position is fixed is characterized by the application of the pole principle.

That is, as the lower part of the ground terminal is pushed outward by the safety shutter SS01, the upper part of the ground terminal is pushed inward by the frame JF01 and the pole principle. This is the same as the result that the upper part of the ground terminal, which is required to contact the ground terminal (PJ01, PJ02) of the plug, is pushed inward.

As a result, this means that the lower part of the ground terminal is pushed outward by the movement of the safety shutter SS01, and the upper part is pushed inward by the frame JF01 in which the ground terminal is fixed.

In the embodiment described in the present invention, the safety shutter (SS01) composed of one part has been described as an example for understanding, but the movement of the safety shutter (SS01) composed of one or more parts and the ground portion (FJ01, FJ01, The operation of FJ02, FJ03, FJ04) can also implement the present patent described above.

In addition, it has been described that the above-described safety shutter (SS01) operates flexibly with the grounding parts (FJ01, FJ02, FJ03, FJ04) based on rotational motion, but it is not limited to rotational motion, but through various movements, the grounding parts (FJ01, FJ02 , FJ03, FJ04) is also a feature of the present invention.

The gist of the present invention is as follows. In a new type of electrical outlet with four holes into which plug electrical terminal pins (PP01, PP02) can be inserted, in the structure location of the grounding parts (FJ01, FJ02, FJ03, FJ04) required in the direction of the four holes , unlike the existing method, it has the feature that four ground terminals are located outside the range where the plug body is bound. Among the four grounding parts (FJ01, FJ02, FJ03, FJ04), only two grounding terminals selected according to the binding direction of the plug are pushed inward to complete contact with the grounding terminals (PJ01, PJ02) of the lug. The method is as follows by selecting two ground terminals to be selected and pushing them inward.

Two outlet ground terminals requiring contact with the plug ground terminals PJ01 and PJ02 are selected by the safety shutter whose movement is determined by the plug engagement and the plug terminal pins PP01 and PP02. In addition, the two ground terminals selected by the movement of the safety shutter are pushed inward to complete contact with the ground terminals PJ01 and PJ02 of the plug.

As described above, although it has been described with reference to the preferred embodiments of the present invention, those skilled in the art can understand that the present invention can be variously modified and changed without departing from the spirit and scope of the present invention. There will be.

PJ01, PJ02: Ground terminal
PP01, PP02: Electrode terminal pin
CJ01, CJ02: Ground terminal
FJ01, FJ02, FJ03, FJ04 : Ground part
SS01 : Safety Shutter
TC01: center of rotation
JF01 : Frame
PN01 PN02 : Insertion position

Claims (6)

a safety shutter coupled to a base, rotatable at a predetermined angle around the center of rotation corresponding to the insertion direction of the plug, and having a pair of insertion holes into which the electrode terminal pins of the plug are inserted;
a plurality of grounding units provided in contact with the outer circumferential surface of the safety shutter and spaced apart from each other; and
An outlet including an X-type grounding terminal comprising: a frame that penetrates and is coupled to the plurality of grounding parts, is fixed to be arranged at a predetermined interval between the grounding parts, and functions as a rotation center around which the grounding part is rotated.
The method of claim 1,
An outlet including an X-type ground terminal, further comprising a ground terminal plate corresponding to the ground terminal ring and maintaining contact with the ground terminal ring even when the body is rotated.
The method of claim 1,
The first electrical terminal and the second electrical terminal extend from the center of the body along the outer circumferential surface of the body at a rotation angle allowed by the rotation accommodating unit, the outlet including an X-type ground terminal.
The method of claim 3,
The first and second electrical terminals extending along the outer circumferential surface of the body and a first connection terminal and a second connection terminal maintaining a contact state within a rotation angle range allowed by the rotation accommodating unit are included. A receptacle containing an X-type grounding terminal.
The method of claim 1,
The safety shutter,
An outlet including an X-type ground terminal having different intersecting distances orthogonal to the center of rotation and rotating about the frame by pressing the pair of ground portions facing each other by rotation.
The method of claim 5,
The rotated frame further includes an elastic part that returns in a reverse direction to a direction rotated about the frame when the safety shutter is returned.