JP5947603B2 - connector - Google Patents

Description

  The present invention relates to a connector.

  Conventionally, a connector to which a flat cable such as a flexible printed circuit board (FPC) or a flexible flat circuit board (FFC) is assembled has a flat cable provided with a plurality of conductors and an insertion port into which the flat cable is inserted. A housing including a housing and a terminal that is accommodated in the housing and is connected to a conductor portion of the flat cable in a state where the flat cable is inserted into an insertion port is known (see, for example, Patent Documents 1 and 2).

  In these connectors, a lever for rotating the flat cable and the terminal is provided in the housing, and a pair of side locks and support fittings for temporarily holding the flat cable in the housing are provided.

  In such a connector, the flat cable is inserted into the insertion opening of the housing, the flat cable is temporarily held by a pair of side locks and support brackets, and the lever is rotated to contact the levers with the pair of side locks and support brackets. Thus, the lock release of the pair of side locks and the support metal is restricted, and the flat cable is permanently locked to the housing.

  This locking of the flat cable is released by turning the lever in the reverse direction and releasing the restriction of the pair of side locks and support brackets. By pulling the flat cable in the direction opposite to the insertion direction, the flat cable is released. Can be removed from the housing.

  On the other hand, without mounting the lever, the mounting reinforcing bracket provided with the locking portion for permanently locking the flat cable to the housing is assembled, and the housing is brought into contact with the locking portion of the mounting reinforcing bracket so that the locking portion is engaged. There is known a connector provided with a lock releasing portion for releasing a stop (see, for example, Patent Document 3).

  In this connector, by inserting the flat cable into the insertion port of the housing, the lock portion of the mounting reinforcing metal member arranged in the housing is locked to the flat cable, and the flat cable is prevented from coming off from the housing.

  Locking of the lock portion of the mounting reinforcing metal fitting is released by pressing the lock release portion toward the inside of the housing, so that the lock portion is bent in the same direction as the lock release portion, and the flat cable is taken out from the housing. be able to.

JP 2012-9329 A JP 2012-4072 A JP 2011-119162 A

  However, in the connectors as described in Patent Documents 1 and 2, a lever operation is required when the flat cable is locked to or released from the housing. Therefore, it is necessary to secure a space for operating the lever. In addition, the number of parts of the connector has been increased by the lever.

  On the other hand, in the connector as described in Patent Document 3, the flat cable can be locked or released from the housing without the need for a lever. The mounting reinforcing metal fitting is formed separately from the housing. For this reason, the number of parts of the connector is increased, and the assembling property of the connector is lowered.

  Therefore, an object of the present invention is to provide a connector that can reduce the number of components and can lock and unlock the flat cable from the housing.

The invention according to claim 1 is a flat cable provided with a plurality of conductors, a housing having an insertion port into which the flat cable is inserted, and the flat cable inserted into the insertion port. And a terminal connected to the conductor portion of the flat cable in a state where both sides of the housing are connected to the rear side in the insertion direction of the flat cable from the insertion port via a connecting portion, respectively. A pair of lock arms capable of swinging in a rear opening direction and a front closing direction intersecting with the insertion direction are provided, and the pair of lock arms are provided on the front side in the insertion direction, and the flat cable is connected to the insertion port. A locking portion for locking the locked portion provided on both sides of the flat cable in a state of being inserted into the flat cable, and the connecting portion sandwiched in the insertion direction. In in the direction of opening of the locking portion and the rear side of the pair of lock arms by pressing the locking direction via the connecting portion to the engaged portion of the locking portion provided on the opposite side It has a release part which makes it rock | fluctuate and cancel | releases latching of the said latching | locking part and to-be-latched part.

  In this connector, the pair of lock arms provided in the housing includes a locking portion that locks the locked portion of the flat cable, and a release portion that releases the locking between the locking portion and the locked portion. Therefore, the flat cable can be locked and unlocked without using a separate member from the housing.

  Therefore, in such a connector, since the pair of lock arms has the locking portion and the releasing portion, the number of parts can be reduced and the flat cable can be locked and released from the housing.

  Invention of Claim 2 is the connector of Claim 1, Comprising: Either the said to-be-latched part and the said latching | locking part are formed in concave shape, and the other is formed in convex shape. It is characterized by.

  In this connector, one of the locked portion and the locking portion is formed in a concave shape, and the other is formed in a convex shape, so that the flat cable can be locked and locked to the housing with a simple structure. Release can be made.

  A third aspect of the present invention is the connector according to the first or second aspect, wherein the locked portion is formed in a reinforcing portion provided integrally with the flat cable.

  In this connector, since the locked portion is formed in the reinforcing portion provided integrally with the flat cable, it is possible to maintain the strength of the locked portion in locking and unlocking the flat cable to the housing. it can.

  According to the present invention, it is possible to provide a connector capable of reducing the number of parts and locking and unlocking the flat cable to the housing.

It is a front view of the connector which concerns on embodiment of this invention. It is a disassembled perspective view of the connector which concerns on embodiment of this invention. It is a perspective view when a flat cable is assembled | attached to the housing of the connector which concerns on embodiment of this invention. It is a perspective view when the state of FIG. 3 is seen from the back side of the housing. It is a principal part enlarged view of the connector which concerns on embodiment of this invention. (A) is an enlarged view when the latching | locking part of the connector which concerns on embodiment of this invention has latched the to-be-latched part. (B) is an enlarged view when a release part is pressed from the state of Fig.6 (a). FIG. 7C is an enlarged view when the flat cable is pulled out from the housing from the state of FIG.

  A connector according to an embodiment of the present invention will be described with reference to FIGS.

  The connector 1 according to the present embodiment includes a flat cable 3 provided with a plurality of conductors, a housing 7 having an insertion port 5 into which the flat cable 3 is inserted, and a flat cable 3 accommodated in the housing 7. And a terminal 9 connected to the conductor portion of the flat cable 3 in a state of being inserted into the insertion port 5.

Further, on both sides of the housing 7, it swings from the insertion port 5 to the rear side in the insertion direction of the flat cable 3 in the rear opening direction and the front closing direction intersecting the insertion direction via the connecting portions 11, 11, respectively. A possible pair of lock arms 13, 15 is provided.

The pair of lock arms 13 and 15 are provided on the front side in the insertion direction, and lock the locked portions 17 and 17 provided on both sides of the flat cable 3 in a state where the flat cable 3 is inserted into the insertion port 5. A pair of lock arms by pressing in the locking direction of the locking portion 19 to the locked portion 17 provided on the opposite side of the locking portion 19 with the connecting portion 11 sandwiched in the insertion direction 13 and 15 has a release portion 21 that swings in the opening direction indicated by an arrow in FIG. 6B to release the locking between the locking portion 19 and the locked portion 17.

  Moreover, the to-be-latched part 17 and the latching | locking part 19 have the to-be-latched part 17 formed in concave shape, and the latching | locking part 19 is formed in convex shape.

  Furthermore, the locked portion 17 is formed in a reinforcing portion 23 provided integrally with the flat cable 3.

  As shown in FIGS. 1 to 6, the flat cable 3 is a flat cable on which a circuit such as a flexible printed circuit board (FPC) or a flexible flat circuit board (FFC) is formed, and is inserted into the insertion port 5 of the housing 7. A plurality of conductor parts (not shown) connected to the circuit are provided in the terminal part to be provided.

  A thin plate-like reinforcing portion 23 for reinforcing the flat cable 3 is provided at a terminal portion of the flat cable 3. On both sides of the reinforcing portion 23, concave engaged portions 17, 17 that are cut out in a semicircular shape are provided. Such a flat cable 3 is inserted into the insertion port 5 of the housing 7.

  The housing 7 is made of an insulating resin material or the like, is formed in a rectangular parallelepiped shape, and is disposed on a wiring board (not shown) on which a circuit is formed. As shown by the arrow in FIG. 3, an elongated hole-shaped insertion port 5 into which the flat cable 3 is inserted is provided on one side surface of the housing 7. On the other side surface of the housing 7 opposite to the insertion port 5, a terminal accommodation hole that communicates with the insertion port 5 and accommodates a plurality of terminals 9 is provided. Note that PEGs 25 and 27 for fixing the housing 7 on the wiring board are provided on both sides of the housing 7.

  The terminals 9 are made of a conductive material, and a plurality of terminals 9 are arranged in the housing 7 along the longitudinal direction of the housing 7. One end of the terminal 9 is connected to the conductor portion of the flat cable 3 with the flat cable 3 inserted into the insertion port 5, and the other end is connected to the conductor portion of the wiring board. The flat cable 3 and the wiring board are electrically connected through such a plurality of terminals 9.

  The flat cable 3 inserted into the insertion port 5 of the housing 7 is prevented from dropping from the housing 7 by the pair of lock arms 13 and 15 provided in the housing 7.

The pair of lock arms 13 and 15 includes a connecting portion 11, a locking portion 19, and a releasing portion 21. The connecting portion 11 is located behind the insertion port 5 in the insertion direction of the flat cable 3, that is, on the inner side of the housing 7. One end side is formed by one member continuous from both side surfaces of the housing 7, and the other end side is a pair. The lock arms 13 and 15 are formed of a single continuous member. By this connecting portion 11, the pair of lock arms 13 and 15 are disposed so as to be swingable in the rear opening direction and the front closing direction intersecting with the insertion direction of the flat cable 3.

The locking portion 19, the insertion direction of the front of the flat cable 3 in the pair of lock arms 13 and 15, respectively provided on the distal end of the ie insertion slot 5 side is formed in a convex semicircular shape. When the flat cable 3 is inserted into the insertion port 5 of the housing 7, the locking portion 19 has a surface on the side of the insertion port 5 abutted against the front end surface of the flat cable 3, and the pair of lock arms 13 and 15 are connected. It is swung in the opening direction via the part 11. By further inserting the flat cable 3 into the insertion port 5 from this state, the locking portion 19 is positioned at the locked portion 17 of the flat cable 3, and the pair of lock arms 13 and 15 are moved by the elastic force of the connecting portion 11. It is swung in the closing direction, and the locking portion 19 locks the locked portion 17.

  Due to the locking between the locking portion 19 and the locked portion 17, the flat cable 3 is prevented from dropping from the insertion port 5 of the housing 7. Further, in a state where the locking portion 19 locks the locked portion 17, the flat cable 3 and the terminal 9 are electrically connected to stabilize the electrical connection between the flat cable 3 and the wiring board. Can do. The locking between the locking part 19 and the locked part 17 is released by the releasing part 21.

  The release portion 21 is an end portion on the opposite side to the locking portion 19 with the connecting portion 11 interposed in the insertion direction of the flat cable 3 in the pair of lock arms 13 and 15. The release portion 21 is pressed in the direction in which the locking portion 19 is locked to the locked portion 17, that is, in the direction in which the pair of lock arms 13 and 15 are closed, as indicated by the arrow in FIG. Thus, the locking portion 19 side of the pair of lock arms 13 and 15 is swung in the opening direction via the connecting portion 11. For this reason, in the locked state of the locking part 19 and the locked part 17, the locking part 19 is detached from the locked part 17 by pressing the release part 21, and the flat cable 3 is connected to the housing 7. It can be extracted from the insertion port 5.

  In the connector 1 configured as described above, when the flat cable 3 is assembled to the housing 7, the flat cable 3 is inserted into the insertion port 5 of the housing 7 in which the terminals 9 are accommodated, and the ends of the flat cable 3 are connected to a pair of terminals. The locking arms 13 and 15 are brought into contact with the locking portions 19. The contact between the flat cable 3 and the locking portion 19 can be confirmed by visual observation because the pair of lock arms 13 and 15 are exposed to the outside of the housing 7. From this state, the flat cable 3 is further inserted into the insertion port 5, and the pair of lock arms 13 and 15 are swung in the opening direction via the connecting portion 11, so that the locking portion 19 is engaged with the locked portion 17 of the flat cable 3. Lock.

  In addition to visually confirming that the locked portion 17 is locked by the locking portion 19, for example, by adjusting the elastic force of the connecting portion 11, the engagement between the locking portion 19 and the locked portion 17 is adjusted. You may confirm by feeling, such as a click feeling by a stop.

  On the other hand, when removing the flat cable 3 from the housing 7, the release portion 21 is pressed in the direction in which the pair of lock arms 13 and 15 are closed, and the locking portion 19 side of the pair of lock arms 13 and 15 is connected via the connecting portion 11. Swing in the opening direction. From this state, the unlocking of the locked portion 17 by the locking portion 19 is confirmed by visual observation, and the flat cable 3 is pulled out from the insertion port 5 of the housing 7.

  In such a connector 1, a pair of lock arms 13, 15 provided on the housing 7 engages a locking portion 19 that locks the locked portion 17 of the flat cable 3, and the locking portion 19 and the locked portion 17. Therefore, the flat cable 3 can be locked and released from the housing 7 without using a separate member from the housing 7.

  Therefore, in such a connector 1, since the pair of lock arms 13 and 15 have the locking portion 19 and the releasing portion 21, the number of parts is reduced and the flat cable 3 is locked and released from the housing 7. It can be performed.

  In addition, the locked portion 17 and the locking portion 19 have a simple structure and the housing of the flat cable 3 because the locked portion 17 is formed in a concave shape and the locking portion 19 is formed in a convex shape. 7 can be locked and unlocked.

  Furthermore, since the locked portion 17 is formed in the reinforcing portion 23 provided integrally with the flat cable 3, the strength of the locked portion 17 in locking and unlocking the flat cable 3 to the housing 7 is obtained. Can be held.

  In the connector according to the embodiment of the present invention, the locked portion is formed in a concave shape and the locking portion is formed in a convex shape. However, the present invention is not limited thereto, and the locked portion is formed in a convex shape. Then, the locking portion may be formed in a concave shape.

  In addition, the uneven shape of the locked portion and the locking portion is a semicircular shape, but is not limited to this, for example, a pair of lock arms is inserted into the insertion port of the flat cable on the insertion port side. An uneven shape having an inclined surface that swings in the opening direction may be used.

  Furthermore, although the reinforcement part of the flat cable is provided in the whole area of the width direction, you may provide so that it may reinforce not only this but the periphery in which a to-be-latched part is provided.

DESCRIPTION OF SYMBOLS 1 ... Connector 3 ... Flat cable 5 ... Insertion port 7 ... Housing 9 ... Terminal 11 ... Connection part 13,15 ... A pair of lock arm 17 ... Locked part 19 ... Locking part 21 ... Release | release part 23 ... Reinforcement part

Claims (3)

A flat cable provided with a plurality of conductor portions, a housing having an insertion port into which the flat cable is inserted, and a conductor portion of the flat cable that is accommodated in the housing and inserted into the insertion port. A connector having a terminal connected to
On both sides of the housing, a pair of swingable in the opening direction on the rear side and the closing direction on the front side intersecting the insertion direction via a connecting portion on the rear side in the insertion direction of the flat cable from the insertion port, respectively. A lock arm is provided,
The pair of lock arms are provided on the front side in the insertion direction, and a locking portion that locks locked portions provided on both sides of the flat cable in a state where the flat cable is inserted into the insertion port, The pair of lock arms are connected to the pair of lock arms by pressing in the direction in which the locking portion is locked to the locked portion, which is provided on the opposite side of the locking portion across the connecting portion in the insertion direction. And a release portion for releasing the locking between the locking portion and the locked portion by swinging in the opening direction of the rear side . The connector according to claim 1,
One of the locked portion and the locking portion is formed in a concave shape, and the other is formed in a convex shape. The connector according to claim 1 or 2,
The said latched part is formed in the reinforcement part integrally provided in the said flat cable, The connector characterized by the above-mentioned.

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