KR102620431B1 - Plug connector - Google Patents

Abstract

The present invention relates to a plug connector, which includes a plug shell through which a socket connector coupling slot is formed forward and backward, a first body coupled to the inside of the slot, and a plurality of first terminals coupled along the left and right directions of the first body. It includes a first terminal assembly, a second body coupled to the lower part of the first body, and a second terminal assembly to which a plurality of second terminals are coupled along the left and right directions of the second body, and a lower surface of the first body. A first insertion protrusion protruding downward from the left or right side and a first insertion groove recessed upward from the left or right side opposite to the first insertion protrusion are formed, and the upper surface of the second body protrudes upward from the left or right side. A second insertion protrusion is formed correspondingly inserted into the first insertion groove, and a second insertion groove is depressed downward from the left or right side opposite to the second insertion protrusion into which the first insertion protrusion is correspondingly inserted.

Description

Plug connector{PLUG CONNECTOR}

The present invention relates to a plug connector, and more specifically, to secure ease of manufacturing by simplifying the assembly structure of the first terminal assembly and the second terminal assembly, and to improve the coupling structure between the first terminal assembly and the second terminal assembly. This relates to a plug connector that can further improve coupling strength.

Generally, connectors for electronic devices are used for charging electronic devices (such as mobile terminals) or connecting them with other devices.

Such connectors for electronic devices are composed of a socket connector that is installed in an electronic device and forms a multipole, and a plug connector that forms a multipole and is inserted into the socket connector in a male and female counterpart with a cable connected.

Among these, the plug connector is inserted in a shape corresponding to the socket connector, a plug shell with a slot formed inside, a terminal assembly coupled to the inside of the plug shell and connected to the terminal of the socket connector, and a rear terminal of the terminal assembly. It consists of a board connected to and a cable connected to the board.

Here, the terminal assembly of the plug connector consists of an upper terminal part that is coupled to the inner upper part of the slot and forms an upper terminal structure, and a lower terminal part that is coupled to the inner upper part of the slot and is coupled to the lower part of the upper terminal part. do.

The upper terminal portion is arranged to be spaced apart along the left and right directions with the upper terminals mounted on the upper body, and the lower terminal portion is arranged to be spaced apart from the left and right directions with the lower terminals mounted to the lower body.

However, the conventional plug connector had a complicated structure for fixing the upper and lower terminals, causing manufacturing difficulties (lower productivity), and the connection structure between the upper and lower terminals was weak, so external forces caused the upper and lower terminals to separate. There was concern that the installation location could be changed or separated.

As such, when the positions of the upper terminal portion and the lower terminal portion are changed or separated from each other, poor connection of the plug connector may occur, so a structure that can improve the coupling force while being easy to manufacture is required.

Prior literature related to the present invention includes Korean Patent Publication No. 10-2011-0066843 (June 17, 2011), which discloses a multi-pole plug.

The purpose of the present invention is to have the first terminal assembly and the second terminal assembly have corresponding coupling structures, and to apply a plurality of coupling structures to the coupling portions of the first terminal assembly and the second terminal assembly, thereby connecting the first terminal assembly and the second terminal assembly. The object is to provide a plug connector that can further improve the coupling force of the terminal assembly.

And, the purpose of the present invention is to provide a plug connector that is easy to manufacture because the first terminal assembly and the second terminal assembly are simple in structure by integrally molding the first terminal and the second terminal using the insert molding method. .

Additionally, an object of the present invention is to provide a plug connector that can reduce manufacturing costs and is easy to manufacture because the first terminal assembly and the second terminal assembly have the same shape.

The plug connector of the present invention includes a plug shell through which a socket connector coupling slot is formed forward and backward, a first body coupled to the inside of the slot, and a plurality of first bodies by insert molding along the left and right directions of the first body. A first terminal assembly to which terminals are coupled, a second body to correspond to the lower part of the first body, and a second terminal to which a plurality of second terminals are coupled by insert molding along the left and right directions of the second body. It includes an assembly, and a first insertion protrusion protruding downward from the left or right side and a first insertion groove recessed upward from the left or right side opposite to the first insertion protrusion are formed on the lower surface of the first body, On the upper surface of the second body, a second insertion protrusion protrudes upward from the left or right and is inserted corresponding to the first insertion groove, and the first insertion protrusion is recessed downward from the left or right opposite to the second insertion protrusion. It is characterized in that a second insertion groove is formed into which is correspondingly inserted.

Here, a first assembly block may be further formed on the lower surface of the first body, protruding downward from the left or right side opposite to the first insertion protrusion, and in which the first insertion groove is located on the lower surface, and the second assembly block may be formed on the lower surface of the first body. A second assembly block may be formed on the upper surface of the body to protrude upward from the left or right side opposite to the second insertion protrusion, and in which the second insertion groove is located on the upper surface, and the first assembly block and the second assembly block may be formed on the upper surface of the body. The assembly blocks can be combined alternately on the left and right sides so that one side facing each other is positioned in a correspondingly engaging position.

In addition, a first side locking protrusion may be formed to protrude on the lower surface of the first assembly block for locking the left or right side of the second body from the side, and the first side locking protrusion may be formed on the upper surface of the second assembly block. On the left or right side opposite to the side locking jaw, a second side locking jaw may be formed to protrude further for locking the left or right side of the first body from the side.

In addition, the first body may be further coupled to a first locking piece on the left or right side, and the second body may be further coupled to a second locking piece on the left or right side opposite to the first locking piece. When the socket connector is inserted into the front of the slot, the front end of the piece and the second locking piece can be opened in opposite directions and then elastically restored to be locked in close contact with both sides of the socket connector.

In addition, the plug shell may have at least one first rear locking groove at the top and at least one second rear locking groove at the bottom formed vertically penetrating, and the first rear locking groove at the upper surface of the first body. A first rear locking protrusion may be formed to protrude upward to be inserted correspondingly, and a second rear locking protrusion may be formed to protrude downward on the lower surface of the second body to be correspondingly inserted into the second rear locking groove.

In addition, the first rear locking protrusion further has a first guide surface inclined forward and downward on the upper surface, and the rear side may be positioned to lock on the inner peripheral surface of the first rear locking groove, and the second rear locking protrusion is positioned forward on the lower surface. An upwardly inclined second guide surface is further formed, and the rear surface can be positioned to engage with the inner peripheral surface of the second rear locking groove.

In addition, the plug shell may be further formed with a first front locking groove at the left or right rear end and a second front locking groove concavely formed at the left or right rear end opposite to the first front locking groove, and the first body A first front locking protrusion may be further formed that protrudes from the left or right side and is correspondingly inserted through the rear of the first front locking groove, and the second body is formed from the left or right side opposite to the first front locking protrusion. A second front locking protrusion may be further formed to protrude and be inserted into the second front locking groove.

Additionally, the first terminal assembly and the second terminal assembly are manufactured in the same shape and are coupled correspondingly at the top and bottom.

In the present invention, the first terminal assembly and the second terminal assembly have corresponding shapes, and a plurality of coupling structures are applied to the coupling portion of the first terminal assembly and the second terminal assembly, so that the first terminal assembly and the second terminal assembly can be connected to each other. It has the effect of further improving bonding strength.

In addition, the present invention has the effect of ease of manufacture by molding the first terminal and the second terminal as one piece using an insert molding method, so that the structures of the first terminal assembly and the second terminal assembly are simple.

In addition, in the present invention, since the first terminal assembly and the second terminal assembly have the same shape, manufacturing costs can be reduced and manufacturing is convenient.

1 is a combined perspective view showing a plug connector according to the present invention.
Figure 2 is an exploded perspective view showing the plug connector according to the present invention.
Figure 3 is a perspective view showing a state in which the first terminal assembly and the second terminal assembly are separated in the plug connector according to the present invention.
Figure 4 is a front view showing a state in which the first terminal assembly and the second terminal assembly are combined in the plug connector according to the present invention.
Figure 5 is a front view showing a state in which the first terminal assembly and the second terminal assembly are separated in the plug connector according to the present invention.
Figure 6 is a plan view showing a state in which the first terminal assembly and the second terminal assembly are combined in the plug connector according to the present invention.
Figure 7 is an installation state diagram showing a state in which the plug connector according to the present invention is coupled to the board and housing to which the cable is connected.
Figure 8 is an installation state diagram showing a state in which the plug connector according to the present invention is coupled to the board.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the attached drawings.

The advantages and features of the present invention and how to achieve it will become clear by referring to the embodiments described in detail below along with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below and will be implemented in various different forms, but the present embodiments only serve to ensure that the disclosure of the present invention is complete and are within the scope of common knowledge in the technical field to which the present invention pertains. It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims.

Additionally, in describing the present invention, if it is determined that related known techniques may obscure the gist of the present invention, detailed description thereof will be omitted.

Figure 1 is a combined perspective view showing the plug connector according to the present invention, Figure 2 is an exploded perspective view showing the plug connector according to the present invention, and Figure 3 is a first terminal assembly and a second terminal assembly in the plug connector according to the present invention. This is a perspective view to show the 2-terminal assembly in a separated state.

In addition, Figure 4 is a front view showing a state in which the first terminal assembly and the second terminal assembly are combined in the plug connector according to the present invention, and Figure 5 is a front view showing the first terminal assembly and the second terminal in the plug connector according to the present invention. It is a front view showing the assembly in a separated state, and Figure 6 is a plan view showing the first terminal assembly and the second terminal assembly in a combined state in the plug connector according to the present invention.

In addition, Figure 7 is an installation state diagram showing a state in which the plug connector according to the present invention is coupled to a board and a housing to which a cable is connected, and Figure 8 is an installation state diagram showing a state in which the plug connector according to the present invention is coupled to a board. It is also a state.

1 to 8, the plug connector according to the present invention includes a plug shell 100, a first terminal assembly 200, and a second terminal assembly 300.

First, the plug shell 100 is configured for male and female coupling to a socket connector (not shown) installed in an electronic device (not shown, portable terminal, etc.), and the external shape of the plug shell 100 corresponds to the hole of the socket connector. It has a shape.

Here, the plug shell 100 may have a cylindrical shape, and a slot 110 for coupling the terminal portion of the socket connector 10 is formed through the inside of the plug shell 100 front and rear.

The slot 110 is a space into which the end of the connection part protruding into the socket connector is inserted. When the plug shell 100 is inserted into the socket connector, the connection part is connected to the first terminal 220, which will be described later, through the slot 110. It is inserted between the front end and the front end of the second terminal 320.

At this time, the connection terminals on the upper and lower surfaces of the connection part protruding inside the socket connector may be respectively connected to the front end of the first terminal 220 and the front end of the second terminal 320, which will be described later.

Additionally, the plus shell 100 can be divided into a cylindrical inner body with a slot 110 formed therein, and a cylindrical outer body that is coupled to surround the outside of the inner body.

The inner body can be manufactured from a resin-based material, and the outer body can be manufactured using a metal-based material with a certain strength to protect the exterior of the inner body.

In addition, the front end of the board 30 to which the cable 40 is connected may be coupled to the rear end of the plug shell 100, and the housing 20 may be externally attached to the rear end of the plug shell 100 and the outside of the board 30. It can be combined in a state that surrounds .

At this time, the first terminal 220 of the first terminal assembly 200 and the second terminal 320 of the second terminal assembly 300, which will be described later, may be mounted on the connection patterns formed at the front end of the substrate 30. .

In addition, at least one first rear locking groove 120 may be formed vertically penetrating in the upper part of the plug shell 100, and at least one second rear locking groove 130 may be formed in the lower part of the plug shell 100. It can be formed through top and bottom.

The first rear locking groove 120 is a space into which the first rear locking protrusion 280, which will be described later, is vertically inserted, and the rear end of the first rear locking protrusion 280 is located on the inner peripheral surface of the first rear locking groove 120. The jam is located.

The second rear locking groove 130 is a space into which the second rear locking protrusion 280, which will be described later, is vertically inserted, and the rear end of the second rear locking protrusion 280 is located on the inner peripheral surface of the second rear locking protrusion 380. The jam is located.

Here, the first rear locking groove 120 and the second rear locking groove 130 are shown as squares, but the shapes of the first rear locking groove 120 and the second rear locking groove 130 can be applied in various ways. do.

In addition, the first rear locking groove 120 and the second rear locking groove 130 can be formed as a pair in the left and right directions, but the first rear locking groove 120 and the second rear locking groove 130 are Location and number can be applied in various ways as needed.

In addition, the plug shell 100 has a first front locking groove 140 formed at the left or right rear end, and a second front locking groove 150 formed at the left or right rear end opposite to the first front locking groove 140. It can be formed concavely.

The first front locking groove 140 is a space into which the first front locking protrusion 290, which will be described later, is horizontally inserted, and the front end of the first front locking protrusion 290 is located at the front end of the first front locking groove 140. The jam is located.

The second front locking groove 150 is a space into which the second rear locking protrusion 390, which will be described later, is horizontally inserted, and the front end of the second front locking protrusion 290 is located at the front end of the second front locking groove 150. The jam is located.

The first terminal assembly 200 is inserted into the inside of the slot 110 to form an upper terminal structure. The first terminal assembly 200 is manufactured in the same shape as the second terminal assembly 300, which will be described later.

This first terminal assembly 200 is coupled to the second terminal assembly 300, which will be described later, and the first terminal assembly 200 includes a first body 210 and a plurality of first terminals 220. ) can be provided.

The first body 210 may be coupled to portions of the first terminals 220 using a resin-based material by insert molding.

Here, the lower surface of the first body 210 has a first insertion protrusion 230 protruding downward from the left or right side, and a first insertion groove recessed upward from the left or right side opposite to the first insertion protrusion 230. (240) is formed.

At least one first insertion protrusion 230 is provided on the lower surface of the first body 210, and the first insertion protrusion 230 may be disposed before and after the first body 210, respectively.

Here, the first insertion protrusion 230 may have a square block shape with polygonal surfaces formed on the sides, but the shape of the first insertion protrusion 230 can be applied in various ways as needed.

In addition, the lower end of the first insertion protrusion 230 may be further formed with a tapered portion whose diameter gradually decreases toward the bottom, as shown in FIGS. 3 and 5.

When the first body 210 and the second body 310, which will be described later, are combined, the first insertion protrusion 230 is vertically inserted in a shape corresponding to the second insertion groove 340, which will be described later.

At this time, the tapered portion of the first insertion protrusion 211 has a narrower width than the upper end of the second insertion groove 340, which will be described later, so that the first insertion protrusion 230 can be easily inserted into the second insertion groove 340. You can.

In addition, a first assembly block 250 is formed on the lower surface of the first body 210 to protrude downward from the left or right side opposite to the first insertion protrusion 230.

The first assembly block 250 is alternately coupled at a position corresponding to the second assembly block 350, which will be described later, and a first insertion groove 240 is located on the lower surface of the first assembly block 250.

When the first assembly block 250 combines the first body 210 with the second body 310, which will be described later, the lower surface is in close contact with the upper surface of the second body 310, which will be described later, as shown in FIG. .

At the same time, one side of the first assembly block 250 is locked in a shape corresponding to one side of the second assembly block 350, which will be described later.

In this state, the first assembly block 250 and the second assembly block 350 are positioned laterally, so the first body 210 and the second body 310 do not move to one side.

In addition, a first side locking protrusion 260 is further protruded from the lower surface of the first assembly block 250 for locking the left or right side of the second body 310 from the side.

When the first body 210 and the second body 310, which will be described later, are combined, the first side locking protrusion 260 locks the left or right side of the second body 310 from the side as shown in FIG. Prevents the first body 210 and the second body 310 from flowing laterally.

In addition, the first body 210 is further coupled to a first locking piece 270 on the left or right side, and a locking end protrudes in the center direction of the first body 210 at the front end of the first locking piece 270. It can be.

For example, when the socket connector is inserted into the front of the slot 110, the first locking piece 270 opens in a direction opposite to the second locking piece 370, which will be described later, and then is elastically restored to form a socket connector. It can be positioned in close contact with both sides (corresponding grooves can be formed).

In addition, a first rear locking protrusion 280 may be formed on the upper surface of the first body 210 to protrude upward to be inserted into the first rear locking groove 120.

The first rear stopping protrusion 280 further has a first guide surface 281 inclined forward and downward on its upper surface. The first guide surface 281 supports the first terminal assembly 200 at the rear of the slot 110. When inserting through the plug, make sure not to get caught on the rear end of the plug shell (100).

For example, when the first terminal assembly 200 is pushed through the rear of the slot 110, the rear end of the plug shell 100 in close contact with the first guide surface 281 spreads upward, and the first rear snag. When the device 280 is inserted into the first rear locking groove 120, the rear end of the plug shell 100 is restored to its original shape by its own elastic force.

At this time, since the rear end of the first rear locking protrusion 280 locks the inner peripheral surface of the first rear locking groove 120 rearward, the first terminal assembly 200 does not deviate to the rear of the slot 110.

In addition, the first body 210 may have a first front stopping protrusion 290 further protruding from the left or right side as shown in FIGS. 1 and 2.

For example, when pushing the first terminal assembly 200 through the rear of the slot 110, the first front locking protrusion 290 corresponds through the rear of the first front locking groove 140 as shown in Figure 1. It is inserted into the shape.

At this time, since the front end and upper and lower ends of the first front locking protrusion 290 are positioned at the front end of the first front locking groove 140, the first terminal assembly 200 inserted into the slot 110 moves forward and up and down. It doesn't flow.

The first terminals 220 are made of a metal material with electrical conductivity, and both ends of the first terminals 220 have a length in the front-to-back direction.

Here, the first terminals 220 are arranged at regular intervals along the left and right directions of the first body 210, and the number of first terminals 220 can be varied as needed.

The second terminal assembly 300 is inserted into the slot 110 to form a lower terminal structure corresponding to the first terminal assembly 200. The second terminal assembly 300 is the first terminal assembly described above. It is manufactured in the same shape as (200).

This second terminal assembly 300 is coupled to the lower part of the first terminal assembly 200, and the second terminal assembly 300 is a second body 310 so as to correspond to the first terminal assembly 200. ) and, may be provided with a plurality of second terminals 320.

The second body 310 is made of a resin-based material and can be coupled to a portion of the second terminals 320 by insert molding.

Here, the lower surface of the second body 310 has a second insertion protrusion 330 protruding upward from the left or right, and a second insertion groove recessed downward from the left or right opposite to the second insertion protrusion 330. (340) is formed.

At least one second insertion protrusion 330 is provided on the upper surface of the second body 310, and the second insertion protrusion 330 may be disposed before and after the second body 310, respectively.

Here, the second insertion protrusion 330 may have a square block shape with polygonal surfaces formed on the sides, but the shape of the second insertion protrusion 330 can be applied in various ways as needed.

Additionally, the upper end of the second insertion protrusion 330 may be further formed with a tapered portion whose diameter gradually decreases toward the top, as shown in FIGS. 3 and 5 .

When the first body 210 and the second body 310 are coupled, the second insertion protrusion 330 is vertically inserted in a shape corresponding to the above-described first insertion groove 240.

At this time, the tapered portion of the second insertion protrusion 311 has a narrower width than the lower end of the above-described first insertion groove 240, so that the second insertion protrusion 330 can be easily inserted into the first insertion groove 240. You can.

In addition, a second assembly block 350 is formed on the lower surface of the second body 310 to protrude upward from the left or right side opposite to the second insertion protrusion 330.

The second assembly block 350 is alternately coupled at a position corresponding to the above-described first assembly block 250, and a second insertion groove 340 is located on the upper surface of the second assembly block 350.

In this second assembly block 350, when the second body 310 and the first body 210 are combined, the upper surface of the second assembly block 350 is the lower surface of the first body 210, as shown in FIG. and one side of the second assembly block 350 is in close contact with one side of the first assembly block 250 in a shape corresponding to the shape.

In this state, the second assembly block 350 and the first assembly block 250 are locked to the side, so the second body 310 and the first body 210 do not move to one side.

In addition, a second side locking protrusion 360 is further protruded from the upper surface of the second assembly block 350 for locking the left or right side of the first body 210 from the side.

When the second body 310 and the first body 210 are combined, the second side locking protrusion 360 locks the left or right side of the first body 210 from the side as shown in FIG. Prevents the second body 310 and the first body 210 from flowing laterally.

In addition, the second body 310 is further coupled to a second locking piece 370 on the left or right side, and a locking end is formed at the front end of the second locking piece 370 toward the center of the second body 310. It can be.

For example, when the socket connector is inserted into the front of the slot 110, the second locking piece 370 opens in a direction opposite to the above-described first locking piece 270 and then elastically restores the socket connector. It can be positioned in close contact with both sides (corresponding grooves can be formed).

In addition, a second rear locking protrusion 380 may be formed on the lower surface of the second body 310 to protrude downward so as to be inserted into the second rear locking groove 130.

The second rear locking protrusion 380 further has a second guide surface 381 inclined upwardly forward on its lower surface. The second guide surface 381 supports the second terminal assembly 300 at the rear of the slot 110. When inserting through the plug, make sure not to get caught on the rear end of the plug shell (100).

For example, when the second terminal assembly 300 is pushed through the rear of the slot 110, the rear end of the plug shell 100 in close contact with the second guide surface 381 spreads downward, and the second rear snag occurs. When the device 380 is inserted into the second rear locking groove 130, the rear end of the plug shell 100 is restored to its original shape by its own elastic force.

At this time, since the rear end of the second rear locking protrusion 380 locks the inner peripheral surface of the second rear locking groove 130 rearward, the second terminal assembly 300 does not deviate to the rear of the slot 110.

In addition, the second body 310 may have a second front stopping protrusion 390 further protruding from the left or right side as shown in FIGS. 1 and 2.

For example, when pushing the second terminal assembly 300 through the rear of the slot 110, the second front locking protrusion 390 corresponds through the rear of the second front locking groove 150 as shown in Figure 1. It is inserted into the shape.

At this time, since the front end and upper and lower ends of the second front locking protrusion 390 are positioned at the front end of the second front locking groove 150, the second terminal assembly 300 inserted into the slot 110 moves forward and up and down. It doesn't flow.

The second terminals 320 are made of a conductive metal material, and both ends of the second terminals 320 have a length in the front-to-back direction.

Here, the second terminals 320 are arranged at regular intervals along the left and right directions of the second body 310, and the number of second terminals 320 can be varied as needed.

As a result, in the present invention, the first terminal assembly 200 and the second terminal assembly 300 have corresponding shapes, and a plurality of coupling parts are connected to the coupling portion of the first terminal assembly 200 and the second terminal assembly 300. By applying the structure, the coupling force between the first terminal assembly 200 and the second terminal assembly 300 can be further improved.

In addition, in the present invention, the first terminal 220 and the second terminal 320 are integrally molded using an insert molding method, so that the first terminal assembly 200 and the second terminal assembly 300 have a simple structure, so they can be manufactured. It has ease of use.

In addition, in the present invention, since the first terminal assembly 200 and the second terminal assembly 300 are manufactured in the same shape, manufacturing convenience and cost reduction can be achieved.

Although specific embodiments of the plug connector according to the present invention have been described so far, it is obvious that various implementation modifications are possible without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the patent registration claims described later as well as equivalents to the patent registration claims.

That is, the above-described embodiments should be understood in all respects as illustrative and not restrictive, and the scope of the present invention is indicated by the patent registration claims to be described later rather than the detailed description, and the meaning and meaning of the patent registration claims. The scope and all changes or modified forms derived from the equivalent concept should be construed as being included in the scope of the present invention.

10: housing 20: substrate
30: cable 100: plug shell
110: Slot 120: First rear locking groove
130: Second rear locking groove 140: First front locking groove
150: Second front locking groove 200: First terminal assembly
210: first body 220: first terminal
230: first insertion protrusion 240: first insertion groove
250: First assembly block 260: First side locking jaw
270: First locking piece 280: First rear locking protrusion
281: first guide surface 290: first front engaging protrusion
300: Second terminal assembly 310: Second body
320: Terminal 2 330: Second insertion protrusion
340: Second insertion groove 350: Second assembly block
360: Second side locking jaw 370: Second locking piece
380: Second rear engaging protrusion 381: Second guide surface
390: Second anterior stinging process

Claims (8)

A plug shell through which a socket connector coupling slot is formed forward and backward, a first body coupled to the inside of the slot, and a first terminal to which a plurality of first terminals are coupled by insert molding along the left and right directions of the first body. It includes an assembly, a second body correspondingly coupled to the lower part of the first body, and a second terminal assembly in which a plurality of second terminals are coupled by insert molding along the left and right directions of the second body,
A first insertion protrusion protruding downward from the left or right side and a first insertion groove recessed upward from the left or right side opposite to the first insertion protrusion are formed on the lower surface of the first body,
On the upper surface of the second body, a second insertion protrusion protrudes upward from the left or right and is inserted to correspond to the first insertion groove, and is recessed downward from the left or right opposite to the second insertion protrusion to form the first insertion protrusion. A second insertion groove is formed into which the insertion protrusion is correspondingly inserted;
The first body has a first locking piece coupled to the left or right side, and the second body has a second locking piece coupled to the left or right side opposite to the first locking piece;
The first body is coupled to a portion of the first terminals by an insert molding method, and the second body is coupled to a portion of the second terminals by an insert molding method;
When the socket connector is inserted into the front of the slot, the front ends of the first locking piece and the second locking piece are opened in opposite directions and then elastically restored to be locked in close contact with both sides of the socket connector. A plug connector characterized in that. In claim 1,
On the lower surface of the first body,
A first assembly block is further formed to protrude downward from the left or right side opposite to the first insertion protrusion, and on the lower surface of which the first insertion groove is located,
On the upper surface of the second body,
A second assembly block is formed to protrude upward from the left or right side opposite to the second insertion protrusion, and the second insertion groove is located on the upper surface,
The first assembly block and the second assembly block are,
A plug connector characterized in that it is coupled alternately on the left and right sides, and one side facing each other is positioned in a correspondingly engaging position. In claim 2,
On the lower surface of the first assembly block,
A first side locking protrusion is formed to further protrude for locking the left or right side of the second body from the side,
On the upper surface of the second assembly block,
A plug connector, characterized in that a second side locking jaw is formed to protrude further on the left or right side opposite to the first side locking jaw for locking the left or right side of the first body from the side. delete In claim 1,
The plug shell is,
At least one first rear locking groove at the top and at least one second rear locking groove at the bottom are formed vertically penetrating,
On the upper surface of the first body,
A first rear locking protrusion is formed to protrude upward to be correspondingly inserted into the first rear locking groove,
On the lower surface of the second body,
A plug connector, characterized in that a second rear locking protrusion is formed to protrude downward so as to be inserted correspondingly into the second rear locking groove. In claim 5,
The first rear engaging protrusion is,
A first guide surface inclined forward and downward is further formed on the upper surface, and the rear surface is positioned to engage the inner peripheral surface of the first rear locking groove,
The second rear locking protrusion is,
A plug connector, characterized in that a second guide surface inclined upwardly forward is further formed on the lower surface, and the rear surface is locked on the inner peripheral surface of the second rear locking groove. In claim 1,
The plug shell is,
A first front locking groove is formed at the left or right rear end, and a second front locking groove is formed concavely at the left or right rear end opposite to the first front locking groove,
The first body is,
A first front locking protrusion is further formed that protrudes from the left or right side and is correspondingly inserted through the rear of the first front locking groove,
The second body is,
A plug connector further comprising a second front locking protrusion that protrudes from a left or right side opposite to the first front locking protrusion and is correspondingly inserted into the second front locking groove. In claim 1,
The first terminal assembly and the second terminal assembly,
A plug connector manufactured in the same shape and coupled correspondingly at the top and bottom.