KR100610386B1 - a connector - Google Patents

Abstract

The present invention relates to a connector, and more particularly, to a connector in which the plug pin and the socket pin inserted into the plug housing and the socket housing do not move inside the housing, and are attached to the circuit board so as to be connected to another circuit board. A connector comprising a plug and a socket, the plug comprising: a plug housing having a plug protrusion formed on an upper portion of a plug plate formed at a lower portion thereof, and having a pin insertion groove penetrating from the lower side of the plug plate to the plug protrusion side; A connection piece is inserted into the pin insertion groove and formed to be exposed to the side surface of the plug protrusion, and is formed of a plug pin having a fixing piece extending to a lower side of the connection piece and fixed to a circuit board at a lower part of the plug plate; The socket may include: a socket housing having a socket groove formed at a center thereof; A connection piece inserted into the socket housing and exposed to the side surface of the socket groove is formed, and extends toward the lower side of the connection piece and is formed of a socket pin having a fixing piece fixed to a circuit board at the bottom of the socket housing; ; The plug pin and the socket pin are respectively fixed to the plug housing and the socket housing, characterized in that formed means to prevent movement.

Accordingly, the plug pin and the socket pin are in contact with each other to prevent a short circuit, and each plug pin and the socket pin are precisely positioned at the fixed positions of the plug and the socket on the circuit board, thereby providing a plurality of connection pins on the circuit board. Fixing work of the formed connector is more simple, has the effect of increasing the work efficiency.

Description

Connector

1 is an exploded perspective view showing an embodiment of the present invention.

Figure 2 shows the structure of the plug of the present invention,

   2A is a longitudinal sectional view of the plug according to the first embodiment,

   2B is a longitudinal sectional view of the plug according to the second embodiment;

Figure 3 shows the structure of the socket of the present invention,

   3A is a longitudinal sectional view of a socket according to the first embodiment,

   3B is a longitudinal sectional view of the socket according to the second embodiment;

Figure 4 is a longitudinal sectional view showing a coupled state of the invention.

※ Explanation of codes for main parts of drawing

10: plug

   11: plug housing 12: plug protrusion

   13: pin insertion groove 14: fixing groove

20: plug pin

   21: connecting piece 22: fixed piece

   23: fixing protrusion 24: depression

   25: engaging jaw 26: height correction projection

30: socket

   31: socket housing 32: socket groove

   33: fixing groove

40: socket pin

   41: connection piece 42: fixed piece

   43: fixing protrusion 44: depression

   45: locking jaw 46: height correction projection

The present invention relates to a connector, and more particularly, to a connector such that the plug pin and the socket pin inserted into the plug housing and the socket housing do not move inside the housing.

In general, a connector is used to connect a separate circuit board or to detachably fix various components on a circuit board. The connector is formed of a socket and a plug having a plurality of corresponding connection pins.

In particular, the portable electronic products which are widely used in recent years are becoming smaller and slimmer, while the functions are complicated and diversified. Therefore, a small connector having a large number of connection pins is used. As provided with a large number of connection pins, there is a problem that the connection pin is moved to cause a short circuit or assembly is inconvenient.

In addition, the miniaturized connector has a problem in that the coupling force is weak and easily detached, and there is a problem in that a resistance occurs or a circuit is not connected due to a narrow contact area between the plug and the socket.

Accordingly, the present invention has been made to solve the conventional problems as described above, the object is to prevent the plug pin and the socket pin inserted into the plug housing and the socket housing does not move inside the housing.

In addition, an object of the present invention is to ensure that the plug pin and the socket pin is firmly fixed with a simple structure.

In addition, an object of the present invention is to make the contact between the plug and the socket more smoothly while maximizing the coupling force of the connector.

In addition, an object of the present invention is to ensure that the plug pin and the socket pin is uniformly inserted into the plug and the socket.

In order to achieve the above object, the present invention is a pin insertion groove formed of an insulating material and integrally formed with a plug protrusion on the upper side and penetrated from the lower side to the plug protrusion to be attached to the circuit board and connected to another circuit board. And a plug pin formed with a plug housing formed in the plug housing and a fixing piece fixed to a circuit board, the plug pin being inserted into the pin insertion groove and extending to a lower side of the connection piece exposed to the side surface of the plug protrusion. In the plug of the connector formed so that the fixing projection is formed to the upper side of the fixing piece and the fixing groove is inserted into the lower surface of the plug housing so as not to move, the connecting piece is exposed to both sides of the plug protrusion, The lower end of the connecting piece is the lower end of the plug pin Characterized in that the height correction projection is formed to be equal to the lower height of the fixing piece.
In addition, a socket housing having a socket groove formed in a central portion thereof, attached to a circuit board and connected to another circuit board, and a connecting piece inserted into the socket housing and exposed to the side surface of the socket groove and the lower side of the connecting piece. A fixed pin extending to be fixed to a circuit board at a lower portion of the socket housing, the fixing protrusion being formed on an upper side of the fixing piece so that the socket pin is fixed to the socket housing so as not to move, and the lower portion of the socket housing. And a fixing groove into which the fixing protrusion is inserted, and the connecting piece is formed in a U-shape, and the socket of the connector disposed on both sides of the socket groove, wherein the lower portion of the connecting piece is located at the lower end of the socket pin. Characterized in that the height correction projection is formed to be equal to the lower height of the fixing piece.

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

1 is an exploded perspective view showing an embodiment of the present invention, as shown in the present invention, the plug 10 and the socket 30 is coupled to the connector to couple the circuit board and other circuit boards and various parts In this regard, the plug pin 20 provided in the plug 10 and the socket pin 40 provided in the socket 30 are inserted into the plug housing 11 and the socket housing 31 so as not to move. .

The plug 10 has a pin insertion groove 13 formed in the plug housing 11 in which the plug protrusion 12 protruding upward is formed, and the plug protrusion 12 is inserted into the pin insertion groove 13. Side end of the side is exposed to the side of the socket 30 or other components are connected to the connecting piece and the connecting piece integrally connected and protrudes to the lower surface of the plug housing 11, the plug 10 is a coupling method such as soldering By inserting a plurality of plug pins 20 consisting of a fixed piece to be connected to the circuit board by.

The socket 30 is to allow the plug 10 to be inserted and electrically connected. The socket 30 is formed inside the socket housing 31 in which the socket groove 32 into which the plug protrusion 12 is inserted is formed. Exposed on the inner surface of the socket groove 32 is connected to the connecting piece in contact with the connecting piece of the plug 10 described above and integrally connected to the lower portion of the connecting piece so that the socket 30 at the lower side of the socket housing 31. A plurality of socket pins 40, which are made of fixing pieces to be connected to the circuit board by a coupling method such as soldering, are inserted.

In addition, the plug pin 20 and the socket pin 40 is inserted into the plug housing 11 and the socket housing 31 to form a means to prevent movement while being fixed to the respective socket pin 40 and plug The pin 20 is moved left and right inside the plug housing 11 so that each fixing piece is in contact with an adjacent fixing piece to prevent a short circuit from occurring.

Figure 2 shows the structure of the plug of the present invention, Figure 2a is a longitudinal sectional view of the plug according to the first embodiment, Figure 2b is a longitudinal sectional view of the plug according to the second embodiment.

First, as shown in FIG. 2A, the plug 10 is formed such that the plug protrusion 12 integrally protrudes into an upper portion of the flat plug housing 11 formed of an insulating material on the lower portion of the plug housing 11. And inserting the plug pin 20 into which the connecting piece 21 and the fixing piece 22 are integrally inserted into the plug protrusion 12, so that the connecting piece 21 is exposed to the side surface of the plug 10 protrusion. The fixing piece 22 is exposed to the lower surface of the plug housing 11.

Accordingly, when the fixing piece 22 is fixed to the circuit board by soldering, the circuit board is electrically connected to the plug pin 20 and corresponds to the connecting piece 21 exposed to the side surface of the plug protrusion 12. By inserting the socket 30, etc., the role of the plug 10 is to be performed.

In addition, the fixing groove 14 is formed on the lower surface of the plug housing 11, the fixing projection 23 is fitted to the fixing groove 14 on the upper portion of the fixing piece 22 to form a plug pin 20 By preventing it from being moved left and right while being inserted into the plug housing 11, the fixing piece 22 of the plurality of arranged plug pin 20 is moved to each other to prevent the occurrence of a short circuit due to contact with the adjacent fixing piece.

In addition, the locking jaw 25 is formed on the side surface of the connecting piece 21 inserted into the plug housing 11 so that the plug pin 20 is inserted into the plug housing 11 and then separated from the plug housing 11. It is desirable not to.

Accordingly, when the plug pin 20 is inserted into the lower side of the plug housing 11 and the lower surface of the plug pin 20 is pressed by a press or the like, the plug pin 20 is inserted into the plug housing 11. It will be firmly fixed.

In addition, the connection piece 21 described above is exposed to both sides of the plug protrusion 12 so that both sides contact the socket 30 or the like at the same time, so that the socket 30 or other components can be more smoothly connected. In addition, it is desirable to have a fixed force doubled.

Here, reference numeral 24 denotes a depression, and is generally formed to solve the height imbalance by the burr formed in the manufacturing process of the plug pin 20.

FIG. 2B includes all of the above-described components in FIG. 2A, and in order to prevent the plug pin 20 from being tilted and inserted in the insertion process of the plug pin 20 by the recess 24 described above. The lower tip of 21) forms a height correction protrusion 26 such that the height of the lower surface of the fixing piece 22 is the same.

Accordingly, when the plug pin 20 is inserted and the plug pin 20 is pressed using a press or the like, the plug pin 20 may be uniformly applied to the entire lower portion of the plug pin 20. It will be inserted correctly.

Figure 3 shows the structure of the socket of the present invention, Figure 3a is a longitudinal sectional view of the socket according to the first embodiment, Figure 3b is a longitudinal sectional view of the socket according to the second embodiment.

First, as shown in FIG. 3A, the above-described socket 30 forms a socket groove 32 into which the above-described plug protrusion 12 is inserted into an upper surface of the socket housing 31 formed of an insulating material, and the socket housing ( 31 and the socket pin 40 into which the connecting piece 41 and the fixing piece 42 are integrally inserted into the socket groove 32 so that the connecting piece 41 is the inner surface of the socket groove 32. The fixing piece 42 is exposed to the lower surface of the socket housing 31 while being exposed to.

Accordingly, when the fixing piece 42 is fixed to the circuit board by soldering, the circuit board is electrically connected to the socket pin 40 and corresponds to the connecting piece 41 exposed to the side surface of the socket groove 32. By inserting the socket 30, etc., the plug and other components are to be electrically connected to the socket 30.

In addition, a fixing groove 33 is formed on the lower surface of the socket housing 31, and a fixing protrusion 43 is formed on the fixing piece 41 to be fitted into the fixing groove 33 to form a socket pin 40. ) Is prevented from moving left and right while being inserted into the socket housing 31, the plurality of fixing pins 42 of the socket pin 40 arranged to move to each other to prevent the occurrence of a short circuit due to contact with the adjacent fixing piece.

In addition, the locking jaw 45 is formed on the side surface of the connecting piece 41 inserted into the socket housing 31 so that the socket pin 40 is inserted into the socket housing 31 and then separated from the socket housing 31. It is desirable not to.

Accordingly, when the socket pin 40 is inserted into the lower side of the socket housing 31 and the bottom surface of the socket pin 40 is pressed by a press or the like, the socket pin 40 is inserted into the socket housing 31. It will be firmly fixed.

In addition, the connection piece described above is exposed to both sides of the socket 30 protrusion so that both sides contact the plug 10 or the like at the same time, so as to more smoothly connect with the plug 10 or other components, It is desirable to allow the fixing force to be doubled.

Here, reference numeral 44 denotes a depression, and is generally formed to solve the height imbalance by the burr formed in the manufacturing process of the socket pin 40.

3B includes all of the components described above with reference to FIG. 3A, and the connection piece (eg, to prevent the socket pin 40 from being tilted and inserted in the insertion process of the socket pin 40 by the recess 44 described above). The lower end of 41 is formed by further forming a height correction protrusion 46 so that the height is equal to the lower surface of the fixing piece 42.

Accordingly, when the socket pin 40 is inserted and the socket pin 40 is pressed using a press or the like, a uniform force can be applied to the entire lower portion of the socket pin 40 so that the socket pin 40 can be further applied. It will be inserted correctly.

Figure 4 is a longitudinal cross-sectional view showing a coupling state of the invention, the present invention composed of the plug 10 and the socket 30 as described above, plug plug (10) by inserting the plug 10 in the socket 30 ( 20 and the socket pin 40 are electrically connected to each other.

In addition, the plug pin 20 is exposed to both sides of the plug 10 protrusion, and the socket pin 40 is also provided to correspond to the plug 10 protrusion inside the socket groove 32 to maximize the contact area of the electrical The connection becomes smoother, and the electrical resistance generated between the socket 30 and the connector is further reduced, and more firmly coupled.

As described above, the present invention prevents the plug pin and the socket pin inserted into the plug housing and the socket housing from moving inside the housing, thereby preventing the plug pin and the socket pin from contacting each other and causing a short circuit. Each of the plug pins and the socket pins is precisely positioned at the fixing positions of the plugs and the sockets on the board, thereby making it easier to fix the connector in which the plurality of connection pins are formed on the circuit board, and increase the work efficiency.

In addition, the present invention by having a simple structure of the fixing protrusion and the fixing groove to be firmly fixed to the plug pin and the socket pin, it has the effect that can be simply manufactured without a separate process.

In addition, the present invention allows the plug and the socket to be in contact at both sides at the same time to maximize the coupling force of the connector to facilitate the contact between the plug and the socket more smoothly, the plug and the socket is not easily separated from the connector coupled to the socket. In addition, even if a play occurs, the connection is made more smoothly, and the resistance generated between the socket and the plug is further reduced.

In addition, the present invention is to form a height correction protrusion to ensure that the plug pin and the socket pin is uniformly inserted into the plug and socket, thereby preventing the plug pin and the socket pin is inserted inclined in the housing in advance. .

Claims (12)

Plug housing formed with an insulating material and integrally formed with a plug protrusion 12 formed at an upper portion thereof and attached to a circuit board, and having a pin insertion groove 13 penetrating from the lower side to the plug protrusion 12 side. (11) and a plug having a fixing piece (22) inserted into the pin insertion groove (13) and extending to the lower side of the connecting piece (21) exposed to the side of the plug protrusion (12) to be fixed to the circuit board. A pin 20 and a fixing protrusion 23 formed at an upper side of the fixing piece 22 such that the plug pin 20 is fixed to the plug housing 11 and does not move, and the plug housing 11. In the plug of the connector formed with a fixing groove 14 is inserted into the fixing projections 23 on the lower surface of the, and the connection piece 21 is exposed to both sides of the plug protrusion 12, The plug of the connector, characterized in that the height correction projections (26) are formed at the lower end of the plug pin (20) so that the lower portion of the connecting piece (21) is the same as the lower height of the fixing piece (22). delete delete delete A socket housing 31 having a socket groove 32 formed at a center thereof and attached to a circuit board and inserted into the socket housing 31 and exposed to the side of the socket groove 32 so as to be connected to another circuit board. Consisting of a socket piece 40 having a connecting piece 41 and a fixing piece 42 which is extended to a lower side of the connecting piece 41 and fixed to a circuit board at a lower part of the socket housing 31. A fixing protrusion 43 formed at an upper side of the fixing piece 42 so that the socket pin 40 is fixed to the socket housing 31 and not moving, and the fixing protrusion at the lower side of the socket housing 31. 43 is inserted into the fixing groove 33, the connection piece 21 is formed in a U-shape in the socket of the connector disposed on both sides of the socket groove 32, The socket of the connector, characterized in that the height correction projection (46) is formed at the lower end of the socket pin (40) so that the lower portion of the connection piece (41) is the same as the lower height of the fixing piece (42). delete delete delete It is composed of a plug and a socket to be attached to the circuit board and connected to another circuit board, the plug, the plug protrusion 12 is formed on the upper side and penetrates through the plug protrusion 12 from the lower side of the plug 10 plate A plug housing 11 having a pin insertion groove 13 formed therein, and a connecting piece 21 inserted into the pin insertion groove 13 to be exposed to the side surface of the plug protrusion 12, and the connection portion 21 being formed. It consists of a plug pin (20) formed with a fixing piece (22) which extends to the lower side of the piece (21) and is fixed to the circuit board at the bottom of the plug (10) plate, and the socket (30) is a socket in the center portion. A socket housing 31 having a groove 32 formed therein, and a connecting piece 41 inserted into the socket housing 31 and exposed to the side surface of the socket groove 32 are formed. 41 extends to the lower side of the lower portion of the socket housing 31 It consists of a socket pin 40 formed with a fixing piece 42 fixed to the plate, the plug pin 20 and the socket pin 40 is fixed to the plug housing 11 and the socket housing 31, respectively, The fixing protrusions 23 and 43 are integrally formed on the upper side of the fixing pieces 22 and 42, and the fixing protrusions are formed on the lower side of the plug housing 11 and the lower side of the socket housing 31. Fixing grooves 14 and 33 into which the 23 and 43 are inserted are formed, and the connecting piece 21 formed on the plug pin 20 is formed to be exposed to both sides of the plug protrusion 12 and the socket. In the connector formed in the U-shape so that the connecting piece 41 formed on the pin 40 is in contact with the plug pin 20 on both sides, The lower end of the plug pin 20 and the lower end of the socket pin 40 so that the lower portion of the connecting piece 21, 41 is the same as the lower height of the fixing piece 22, 42 (26) (46), characterized in that the connector is formed. delete delete delete

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