KR101544906B1 - Improved connector assembly for pcb mount structure and flat cable connector for the same - Google Patents

Abstract

The present invention provides a printed circuit board comprising: a printed circuit board having a connector connection portion formed by projecting a portion of a frame edge in a direction parallel to a substrate surface; and a contact portion formed on at least one surface of the connector connection portion; And an insulator housing having a first slot for inserting the flat cable and a second slot for inserting the connector connection on the other side of the insulator housing; And a flat cable connection connector having a contact extending in both directions to be disposed.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a connector assembly having improved PCB mounting structure,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable connector for connecting a flat type cable, and more particularly, to a connector assembly having an improved coupling structure between a connector and a printed circuit board (PCB) will be.

The connector device is used for electrically connecting a circuit board and a circuit board, or a circuit board and an electronic component using a cable.

In recent years, connector devices have been widely applied to circuit boards such as TVs and portable terminals, and slimmer and thinner has been required to meet the trend of thinning of various electronic devices such as OLED TVs and smart phones. Recently, studies have been actively made on flat cable connection connectors for connecting flat type cables such as FPC (Flexible Printed Cable) and FFC (Flexible Flat Cable) (hereinafter referred to as "flat cable") .

In general, a connector for a flat cable connection includes an insulator housing for accommodating a flat cable, a plurality of conductive contacts assembled at a predetermined interval in the insulator housing, and an insulator housing for pressing and fixing the inserted flat cable to the contacts. And an actuator (not shown). A connector for flat cable connection having such a structure is disclosed in, for example, Korean Patent Laid-Open Nos. 2000-11259, 2006-310194, 2008-186600, and Korean Patent Registration No. 0879176.

In the connector for flat cable connection, the actuator is hinged to the insulator housing so as to be rotatably openable and closable while being held by a pivot portion formed on a part of the contact.

In the connector for flat cable connection, the contact is formed in the form of a conductor pin branched substantially into two strands. One of the two conductor fins forming the contact is electrically connected to the signal layer of the flat cable and the other provides a pivot for supporting the actuator.

As another type of connector, Japanese Patent Application Laid-Open No. 2004-071160 discloses a flat cable connecting connector including a pair of conductor pins arranged in parallel to one another and a contact having a support portion for connecting the pair of conductor pins to each other, . The connector has a construction in which a flat cable is inserted into one side with respect to the support portion and a pressing portion of a slider is provided on the other side.

1, a conventional flat cable connecting connector 10 is mounted on the upper surface of a printed circuit board 2 and is used to connect the flat cable 1 to the printed circuit board 2. [

However, the coupling structure in which the connector 10 for flat cable connection is mounted on the printed circuit board 2 has a problem that the overall height h of the connector-printed circuit board assembly is restricted, There is a weak point that it is difficult to reduce the thickness of the product.

Patent Document 1: Korean Patent Publication No. 2000-11259 Patent Document 2: JP-A-2006-310194 Patent Document 3: JP-A-2008-186600 Patent Document 4: Korean Patent No. 0879176 Patent Document 5: JP-A No. 2004-071160

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a connector assembly in which the overall structure of a flat cable connector and a printed circuit board is improved, It has its purpose.

According to an aspect of the present invention, there is provided a connector assembly including a connector connecting portion having a frame edge portion extending in a direction parallel to a substrate surface, and a contact portion formed on at least one surface of the connector connecting portion, Board; And an insulator housing having a first slot for inserting the flat cable and a second slot for inserting the connector connection on the other side of the insulator housing; And a flat cable connection connector having contacts extended in both directions so that the flat cable can be brought into contact with the flat cable, wherein the contact includes: a support portion that is assembled and fixed to the insulator housing; And a fixing part protruding above the insulator housing to provide a fixing function, wherein the first contact part, the second contact part, and the fixing part are formed to have a substantially 'W' shape .

According to another aspect of the present invention, there is provided a connector assembly comprising: a printed circuit board having a connector connection portion formed by protruding a portion of a frame edge in a direction parallel to a surface of a board; and a contact portion formed on at least one surface of the connector connection portion; And an insulator housing having a first slot for inserting the flat cable and a second slot for inserting the connector connection on the other side of the insulator housing; And a flat cable connection connector having contacts extended in both directions so as to be arranged in the insulator housing, wherein the contacts include: a support portion that is assembled and fixed to the insulator housing; A second contact portion formed to be substantially 'inverted' so as to be able to contact with the connector connection portion; and a second contact portion protruding upward from the insulator housing and provided with a fixing function between the first contact portion and the second contact portion Is fixed to the support portion.

The connector assembly according to the present invention is characterized in that the flat cable is provided with a fastening groove at both lateral edges of the flat cable and fastened to both sides in the longitudinal direction of the insulator housing and having a first locking portion protruding to be insertable into the fastening groove Shell. ≪ / RTI >

The connector assembly according to the present invention is characterized in that the connector connection portion is provided with a coupling groove at both ends in the width direction of the connector connection portion and the cover shell extends from a part of the cover shell and, when the connector connection portion is inserted into the second slot, And a second locking portion to be coupled to the groove.

And the second locking portion is an elastic body having an elastic restoring force acting in a direction to be fitted in the engagement groove.

The connector for flat cable connection in which the connector connecting portion according to an embodiment of the present invention is coupled to the protruded printed circuit board includes a first slot for inserting the flat cable on one side and a second slot for inserting the flat cable in the second side, An insulator housing provided with a slot; And a contact that is assembled to the insulator housing and extends in both directions so as to be respectively disposed in the first slot and the second slot, the contact including: a support portion that is assembled and fixed to the insulator housing; A first contact portion capable of contacting the flat cable, a second contact portion capable of being brought into contact with the connector connection portion, and a fixing portion protruding upward from the insulator housing to provide a fixing function, wherein the first contact portion, And the fixing part is formed to have a substantially 'W' character.

The flat cable connecting connector according to another aspect of the present invention includes a first slot for inserting a flat cable and a second slot for inserting the connector connecting portion on the other side. An insulator housing provided with a second slot for the second housing; And a contact, which is assembled in the insulator housing and extends in both directions so as to be respectively disposed in the first slot and the second slot, wherein the contact includes a support portion assembled and fixed to the insulator housing, A first contact portion formed in a substantially " a " shape so as to be able to contact a cable, a second contact portion formed to be substantially 'inverted' so as to be contactable with the connector connection portion, and a second contact portion formed between the first contact portion and the second contact portion, And a fixing part protruding upward from the housing and providing a fixing function is branched from the supporting part.

The connector for flat cable connection according to the present invention includes: an actuator having a press-fit body in the first slot of the insulator housing for fixing a connection state of a flat cable; And guide guides provided at both ends of the actuator for guiding both edges of the flat cable in the width direction.

The flat cable connecting connector according to the present invention is characterized in that the flat cable is provided with a fastening groove at both edges in the width direction of the flat cable and fastened to both sides of the insulator housing in the longitudinal direction and protruded to be insertable into the fastening groove And a cover shell provided with the cover shell.

The connector for flat cable connection according to the present invention is characterized in that the connector connection portion is provided with a coupling groove at both lateral edges of the connector connection portion and the cover shell extends from a part of the cover shell, And a second locking part which is fastened to the coupling groove when the first locking part is fastened.

And the second locking portion is an elastic body which is deformed by the insertion of the connector connecting portion and is elastically recoverable in a direction to be fitted in the coupling groove.

According to the present invention, since a separate printed circuit board mounting part is not required, the structure of the connector is simple and it is possible to thin the overall height of the connector-printed circuit board assembly to within the height of the connector.

According to the present invention, there is an advantage that a tightening feeling can be obtained by the locking portion formed in the cover shell, and the completion of the fastening of the printed circuit board can be accurately recognized.

Further, since the flat cable and the actuator can be firmly fixed to the insulator housing by the cover shell, there is an advantage that the flat cable can not be detached even if it is forcibly pulled.

Accordingly, when the present invention is applied, a flat cable connection connector suitable for a slim product such as an OLED TV can be realized.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description of the invention given below, serve to further the understanding of the technical idea of the invention. And should not be construed as limiting.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view showing a printed circuit board mounting structure of a conventional connector for flat cable connection,
FIG. 2 and FIG. 3 are perspective views showing the front and rear views of the connector assembly according to the preferred embodiment of the present invention,
4 is an assembled cross-sectional view of a connector assembly according to a preferred embodiment of the present invention,
5 is a perspective view showing the configuration of a contact provided in the connector for flat cable connection according to the preferred embodiment of the present invention,
6 and 7 are perspective views illustrating the configurations of the first slot and the second slot provided in the connector for flat cable connection according to the preferred embodiment of the present invention,
FIG. 8 to FIG. 10 are perspective views showing the configuration and coupling relationship of the actuator provided in the connector for flat cable connection according to the preferred embodiment of the present invention,
11 to 13 are perspective views showing the configuration and coupling relationship of the cover shell provided in the connector for flat cable connection according to the preferred embodiment of the present invention,
14 to 15 are perspective views showing a coupling relationship between a cover shell and a printed circuit board provided in a connector for flat cable connection according to a preferred embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

FIGS. 2 and 3 are perspective views showing the front and rear views of the connector assembly according to the preferred embodiment of the present invention, and FIG. 4 is an end view of the connector assembly according to the preferred embodiment of the present invention.

2 to 4, a connector assembly according to a preferred embodiment of the present invention includes a printed circuit board (PCB) 200 having a connector connection part 201, a printed circuit board (PCB) 200 via a connector connection part 201, And a flat cable connection connector 100 which is coupled to the flat cable connector 200.

The printed circuit board 200 includes various circuit boards embedded in products such as TVs and smart phones.

The connector connection portion 201 has a structure in which a part of the edge of the printed circuit board 200 extends in a direction parallel to the board surface. At both ends in the width direction of the connector connecting portion 201, a coupling groove 203 for locking the connector is provided.

The contact portion 202 is formed to have a predetermined contact pattern on at least one side of the connector connection portion 201 and is connected to a circuit pattern provided on the printed circuit board 200.

The flat cable connecting connector 100 includes an insulator housing 101 in which a first slot 102 and a second slot 103 are formed and a plurality of contacts arranged at a predetermined pitch along the longitudinal direction of the insulator housing 101 106 and a cover shell 107 fastened to the outside of the insulator housing 101.

The contacts 106 are a plurality of conductor pins assembled in a plurality of predetermined pitches in the insulator housing 101 and have a structure in which pinned strands are extended in both directions so as to be respectively disposed in the first slot 102 and the second slot 103. 5, the contact 106 is integrally formed with the support portion 106a that provides a fixing function with respect to the insulator housing 101, and is electrically connected to the flat cable 1 and the connector 106a, And includes a first contact portion 106b and a second contact portion 106c extending in both directions so as to be in contact with the connection portion 201, respectively.

The first contact portion 106b and the second contact portion 106c extend in mutually opposite directions and each have a structure of a conductor pin having an elongated shape.

The contact 106 is integrally formed with the support portion 106a and protrudes upward from the insulator housing 101 between the first contact portion 106b and the second contact portion 106c to be fixed to the contact 106 And a fixing portion 106d is provided which is spaced apart from the first contact portion 106b and the second contact portion 106c. The fixing portion 106d is fixed to the insulator housing 101 at an intermediate point in the width direction of the insulator housing 101. [ Therefore, the first contact portion 106b, the second contact portion 106c, and the fixing portion 106d are separated from the support portion 106a and are branched from each other.

The first contact portion 106b extends upward from the support portion 106a and is bent in a first direction away from the fixing portion 106d and extends in parallel with the support portion 106a to have a substantially " . The second contact portion 106c extends upward from the support portion 106a and then is bent in a second direction (opposite to the first direction) away from the fixing portion 106d so that the support portion 106a And has a substantially inverted shape by extending in parallel.

Therefore, the first contact portion 106b, the fixing portion 106d, and the second contact portion 106c form a substantially 'W' shape or a bent 'W' shape based on the support portion 106a .

Therefore, the fixing portion 106d formed above the support portion 106a is spaced apart from the first contact portion 106b and the second contact portion 106c, which are formed upward from the left and right sides of the support portion 106a, , When an FPC (Flexible Printed Cable) or an FFC (Flexible Flat Cable) is inserted or removed between the first contact portion 106b and the support portion 106a or between the second contact portion 106c and the support portion 106a, 101 and contacts without having excessive physical impact on the contacts.

6 to 7, a first slot 102 for inserting the flat cable 1 is provided on the front surface of the insulator housing 101, and a second slot 102 for inserting the connector connecting portion 201 is provided on the rear surface. A slot 103 is provided.

Insulation holes 104 and 105 for assembling the contacts 106 are formed at predetermined intervals along the longitudinal direction of the insulator housing 101 at portions adjacent to the first and second slots 102 and 103 in the insulator housing 101, .

8 to 10, the actuator 108 has a press-fit body under the first slot 102 of the insulator housing 101 to fix the connection state of the flat cable 1. At both ends of the actuator 108, a guide guide 109 protruding upward is provided to guide both edges of the flat cable 1 in the width direction. The actuator 108 is inserted into the lower portion of the flat cable 1 in a state where the insertion of the flat cable 1 is completed to fix the flat cable 1. [

As shown in Figs. 11 to 12, the cover shell 107 is fastened to both sides of the insulator housing 101 in the lengthwise direction of the insulator housing 101, respectively. The cover shell 107 is provided with a first locking portion 107a protruding to be able to be inserted into a coupling groove 1a formed at both edges in the width direction of the flat cable 1. [ The first locking portion 107a is fitted into the coupling groove 1a to prevent the flat cable 1 from being detached when the cover shell 107 is fastened to the insulator housing 101 as shown in Fig. Incidentally, the cover shell 107 also provides a function for preventing the actuator 108 from being detached from the insulator housing 101.

As shown in Figs. 14 to 15, the cover shell 107 is provided with a second locking portion 107b extending from a part of the shell body toward the back side of the connector housing. The second locking portion 107b is formed integrally with the cover shell 107 and is fastened to the coupling groove 203 of the connector connecting portion 201 when the connector connecting portion 201 is completely inserted into the second slot 103 do. At this time, the second locking portion 107b is formed by an elastic body that is deformed by insertion of the connector connecting portion 201 and is elastically recoverable in a direction to be fitted in the coupling groove 203. [ According to this structure, when the fastening of the connector connecting part 201 is completed, the second locking part 107b is caught in the engaging groove 203, so that the fastening click feeling can be obtained, and when the fastening state of the printed circuit board 200 Can be accurately recognized.

The flat cable connecting connector 100 having the above-described structure is easily connected to the printed circuit board 200 by inserting the connector connecting portion 201 into the second slot 103. The operator can feel the click feeling by the second locking portion 107b at the time when the insertion of the connector connecting portion 201 is completed, so that it can be easily recognized that the printed circuit board 200 is normally fastened to the connector. At this time, the overall height of the connector-printed circuit board 200 assembly matches the height of the connector.

On the other hand, when the actuator 108 is coupled with the flat cable 1 inserted into the first slot 102 of the flat cable connection connector 100, the fastening of the flat cable 1 is completed. When the cover shell 107 is fastened after the insertion of the flat cable 1 is completed, the first locking portion 107a provided in the cover shell 107 is caught by the fastening groove 1a of the flat cable 1, The flat cable 1 is not released even if the cable 1 is attempted to be pulled out.

The flat cable 1 and the printed circuit board 200 are electrically connected to each other by the bidirectional contacts 106 incorporated in the connector.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not to be limited to the details thereof and that various changes and modifications will be apparent to those skilled in the art. And various modifications and variations are possible within the scope of the appended claims.

1: flat cable 1a: fastening portion
100: Flat cable connection connector 101: Insulator housing
102: first slot 103: second slot
104, 105: insertion hole 106: contact
107: cover shell 107a: first locking portion
107b: second locking portion 108: actuator
109: guide guide 200: printed circuit board
201: connector connecting portion 202:
203: coupling groove

Claims (11)

delete A printed circuit board having a connector connecting portion formed by protruding a part of a frame end in a direction parallel to the board surface and a contact portion formed on at least one surface of the connector connecting portion;
An insulator housing having a first slot for inserting a flat cable on one side and a second slot for inserting the connector connection on the other side; and an insulator housing assembled to the insulator housing and disposed in the first slot and the second slot, respectively A connector for flat cable connection with a contact extending in both directions so as to be in contact with the flat cable; And
And a cover shell having fastening grooves at both ends in the width direction of the flat cable and having a first locking part fastened to both sides of the insulator housing in the longitudinal direction and protruding to be insertable into the fastening groove,
The contact
A support portion that is assembled and fixed to the insulator housing,
The support portion includes a first contact portion formed in a shape of a letter 'A' so as to be in contact with the flat cable, a second contact portion formed to have a 'reverse' shape so as to be in contact with the connector connection portion, And a fixing part protruding upward from the insulator housing between the two contact parts to provide a fixing function is branched from the supporting part,
And the cover shell is provided with a second locking portion which is extended from a part of the cover shell and is engaged with the coupling groove when the connector connecting portion is completely inserted into the second slot, Wherein the connector assembly comprises: delete delete 3. The method of claim 2,
And the second locking portion is an elastic body having an elastic restoring force acting in a direction to be fitted in the coupling groove. delete A connector for a flat cable connection in which a connector connecting portion is joined to a printed circuit board on which the connector connecting portion is protruded,
An insulator housing having a first slot for inserting the flat cable on one side and a second slot for inserting the connector connection on the other side;
A contact coupled to the insulator housing and extending in both directions to be disposed in the first slot and the second slot, respectively; And
And a cover shell having a fastening groove at both ends in the width direction of the flat cable and having a first locking part fastened to both sides of the insulator housing in the longitudinal direction and protruding to be insertable into the fastening groove,
The contact
A support portion that is assembled and fixed to the insulator housing,
The support portion includes a first contact portion formed in a shape of a letter 'A' so as to be in contact with the flat cable, a second contact portion formed to have a 'reverse' shape so as to be in contact with the connector connection portion, A fixing portion protruding upward from the insulator housing between the contact portions to provide a fixing function is branched from the supporting portion;
And the cover shell is provided with a second locking portion which is extended from a part of the cover shell and is engaged with the coupling groove when the connector connecting portion is completely inserted into the second slot, Wherein the flat cable connecting portion is provided with a flat cable connecting portion. 8. The method of claim 7,
An actuator having a press-fit body in the first slot of the insulator housing to fix a connection state of the flat cable; And
And guide guides provided at both ends of the actuator for guiding both edges in the width direction of the flat cable. delete delete 8. The method of claim 7,
Wherein the second locking portion is an elastic body which is deformed by insertion of the connector connecting portion and is elastically recoverable in a direction to be fitted in the coupling groove.

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