JP4030118B2 - connector - Google Patents

Description

  The present invention relates to a connector that locks one connection object so that it can be inserted and removed, and connects between one connection object and the other connection object.

  As a conventional connector, an insulator having a card connection hole for receiving an end of a card as a connection object, a rotary lever pivotally supported by the insulator at the end of the card connection hole, and the vicinity of the rotary lever There is a card edge connector provided with a slider that is slidably mounted on the insulator in the card insertion / removal direction (see, for example, Patent Document 1).

JP-A-7-230849

  In the card edge connector in Patent Document 1, when the card is inserted into the card connection hole of the insulator in the unlocked state, the rotary lever and the card may interfere with each other.

Further, the card edge connector disclosed in Patent Document 1 has a problem that when the card is ejected (discharged) from the insulator, the card pops out of the insulator due to the force of pushing up the card by the slider pressing portion of the rotary lever.

  In addition, since the card edge connector in Patent Document 1 requires an insulator, a rotary lever, and a slider as a lock mechanism that locks the connection state of the card and an eject mechanism that ejects the card, a large number of parts and assembly are required. There is a problem that man-hours are required.

  Therefore, an object of the present invention is to provide a connector that can have a holding force that is greater than the frictional force between a contact and a card.

  Another object of the present invention is to provide a connector capable of reducing the number of parts and the number of assembly steps.

  Moreover, the other subject of this invention is providing the connector which can reduce the insertion force for inserting a connection target object in an insulator.

  Another object of the present invention is to provide a connector in which a connection object does not pop out at the time of ejection.

The present invention provides a connector including a conductive contact, an insulator that holds the contact, and an eject lever that separates the connection target from the contact from a state in which the connection target is connected to the contact. Includes an operation unit that rotates the eject lever, a lock unit that engages and locks the locked part of the connection target, and a discharge unit that contacts the connection target and releases the connection target. And the eject lever is held by the insulator so as to be rotatable by a rotation shaft between a position where the connection object is connected and a position where the connection object is released. the locking said at a position where the eject lever to disengage the connection object in contact with the locking portion to Maintained in the opening direction a and the most important being a connector, characterized in that said eject lever is provided with an engaged portion for temporarily held.

  According to the connector of the present invention, the locked portion is provided in the insulator to temporarily hold the eject lever at a position where the eject lever separates the connection target, and the lock portion is inserted when the connection target is inserted into the insulator. Since it is open, the amount of interference between the lock and the connection object when the connection object is inserted into the insulator can be reduced, and the insertion force can be reduced.

Further, according to the connector of the present invention, since the eject lever is provided with the pinching portion for preventing the popping out, the object to be connected at the time of ejection can be obtained by inserting the object to be connected when ejecting by the elastic force of the locked portion. Jumping out can be prevented.

  In addition, the connector of the present invention has an advantage that a holding force greater than the frictional force between the contact and the card can be provided by providing a lock portion on the eject lever in order to improve the holding structure.

Additionally, than has a configuration for locking by the eject lever and the insulator, since it does not require a separate component for the locking, it is possible to reduce the number of parts and assembly steps.

The connector of the present invention is a connector including a conductive contact, an insulator holding the contact, and an eject lever that separates the connection target from the contact from a state in which the connection target is connected to the contact. The eject lever includes an operation unit that rotates the eject lever, a lock unit that engages and locks the locked part of the connection target, and a discharge unit that contacts the connection target and releases the connection target. Further, the eject lever is held by the insulator so as to be rotatable by a rotation shaft between a position where the connection target is connected and a position where the connection target is released. at a position where the ejector levers to disengage the connection object to the insulator, contact with the said locking unit Maintaining a direction of opening the serial locking portion, and is realized by the eject lever is provided with an engaged portion for temporarily held.

  Hereinafter, a connector according to a first embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a state in which the connection object is locked to the connector. FIG. 2 shows a state where the lock between the connection object and the connector is released. FIG. 3 shows the eject lever shown in FIGS. 1 and 2 in an enlarged manner. In the following description, a card edge connector using a card such as an IC card as a connection object will be described as an example.

  1 to 3, the connector includes a plurality of conductive contacts 11, an insulator 21 that holds the contacts 11, and an eject lever 31 that is attached to the insulator 21.

  The contact 11 includes a holding portion 11a held by the insulator 21, a contact spring portion 11b extending from one end of the holding portion 11a, and a terminal portion 11c extending from the other end of the holding portion 11a to the outside of the insulator 21. And have.

  A conductive portion (not shown) provided on the card 41 in a state where the card 41 is connected is connected to the contact spring portion 11 b of the contact 11. The eject lever 31 serves to lock the card 41 in a state where the card 41 is connected to the contact 11 and to release the card 41 from the contact 11 from a state where the card 41 is connected to the contact 11.

  As shown in FIGS. 4 to 6, the insulator 21 includes a substantially plate-like base portion 23 that is long in one direction, and a lever holding portion 24 that is formed on both sides of the base portion 23 in a direction orthogonal to one direction. have. An eject lever 31 is attached to the lever holding portion 24.

  1, 2 and 4, only the lever holding portion 24 on one side is shown, but the lever holding portion 24 is also formed on the other side symmetrically with the lever holding portion 24 on one side. An eject lever 31 is also attached to the lever holding portion 24 on the other side.

  In the base part 23, the holding part 11a of the contact 11 is held. The contact spring portion 11b is located together with the holding portion 11a in the contact accommodating portion 25 that is a space inside the base portion 23. The terminal portion 11c extends outward from the lower side of the base portion 23. The terminal portion 11c is connected to a substrate (not shown) such as a printed wiring board as a connection target by soldering or the like.

  As shown in FIG. 5 and FIG. 6, the card accommodating portion 26 for accommodating the tip portion of the card 41 in the base portion 23 so as to be insertable / removable downward in a direction orthogonal to one direction from the upper surface of the base portion 23. (See FIG. 5). The card accommodating portion 26 communicates with the contact accommodating portion 25, and the contact portion 11d on the free end side of the contact spring portion 11b is located. The contact portion 11d contacts the conductive portion of the card 41 with the spring force of the contact spring portion 11b in a state where the card 41 is inserted into the card housing portion 26.

  Further, a pair of guide wall portions 28 are formed in the lever holding portion 24 so that the card 41 can be inserted into the card accommodating portion 26 while being guided. The guide wall portion 28 is erected at a position higher than the upper surface of the base portion 23 in a direction orthogonal to one direction.

  The eject lever 31 includes a rotary shaft 33 provided so as to be held by the insulator 21, an operation portion 34 for rotating the eject lever 31 itself, and a pair of lock portions 35 that engage and lock the card 41. The pair of discharge portions 36 that come into contact with the card 41 and separate the card 41 and the pair of holding portions 37 positioned between the lock portion 35 and the discharge portion 36 are integrally provided.

  In addition, in the eject lever 31 shown in FIG. 3, the eject lever 31 which does not have the clamping part 37 located between the lock part 35 and the discharge part 36 is shown as an example.

The rotating shaft 33 is engaged with a shaft hole 24 a (see FIG. 4) formed so as to penetrate the wall of the lever holding portion 24 of the insulator 21. The eject lever 31 is rotatable between the position where it is released. The lock portion 35 has a protrusion 35 a that engages and locks a hole-shaped locked portion 43 formed in the card 41.

  The holding part 37 is an elastic part, and the eject lever 31 always holds the card 41 between the position where it is connected to the card 41 and the position where the card 41 is released, thereby preventing the card 41 from popping out. To do.

  Furthermore, as shown in FIG. 7, the insulator 21 is formed with a locked portion 29 that temporarily holds the eject lever 31 at a position where the eject lever 31 releases the card 41. The locked portion 29 is obtained by simultaneously forming the wall-shaped portion of the insulator 21 by resin molding.

  As shown in FIG. 1, when the card 41 is inserted into the connector and the protrusion 35a of the lock portion 35 is engaged and locked with the locked portion 43 formed in a hole shape, the eject lever 31 is The holding force is greater than the frictional force between the contact 11 and the card 41.

Further, since the locked portion 29 for temporary holding is provided in the insulator 21, the lock portion 35 rides on the wall of the locked portion 29 and opens the lock portion 35 before the card 41 is inserted. The lock part 35 is maintained in the opening direction. Therefore, when the card 41 is inserted, the amount of interference between the lock portion 35 and the card 41 is reduced , and the insertion force of the card 41 is reduced.

  Further, the holding portion 37 for preventing the eject lever 31 from popping out prevents the card 41 from popping out by the holding portion 37 holding and holding the card 41 even after the ejection by the eject lever 31. Yes.

  The connector of the present invention can also be applied to a connector that electrically connects a daughter board (wiring board) to a mother board (wiring board).

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view illustrating a connector according to a first embodiment of the present invention, in which a connection target is locked to the connector. It is sectional drawing which showed the state by which the lock | rock of the connection target object and connector which were shown in FIG. 1 was cancelled | released. It is the perspective view which expanded and showed the eject lever which does not have a clamping part in the eject lever shown in FIG.1 and FIG.2 . FIG. 3 is a perspective view of the connector shown in FIGS. 1 and 2. FIG. 5 is a cross-sectional view of the connector shown in FIG. FIG. 6 is a cross-sectional view of the connector shown in FIG. 2 taken along line VI-VI. FIG. 7 is a cross-sectional view of the connector shown in FIG. 2 taken along line VII-VII.

Explanation of symbols

11 Contact 11a Holding portion 11b Contact spring portion 11c Terminal portion 21 Insulator 23 Base portion 24 Lever holding portion 24a Shaft hole 25 Contact accommodating portion 26 Card accommodating portion 29 Locked portion 31 Eject lever 33 Rotating shaft 34 Operation portion 35 Lock portion 35a Protrusion part 36 Discharge part 37 Holding part 41 Card 43 Locked part

Claims (2)

In a connector including a conductive contact, an insulator holding the contact, and an eject lever that separates the connection target from the contact from a state in which the connection target is connected to the contact.
The eject lever includes an operation unit that rotates the eject lever, a lock unit that engages and locks the locked part of the connection target, and a discharge unit that contacts the connection target and releases the connection target. Further, the eject lever is held by the insulator so as to be rotatable by a rotation shaft between a position where the ejector is connected and a position where the object is removed. The insulator is provided with a locked portion that keeps the ejecting lever in a direction in which the ejecting lever comes into contact with the locking portion to open the locking portion and temporarily holds the ejecting lever at a position where the ejecting lever is detached. A connector characterized by that.   2. The connector according to claim 1, wherein the eject lever further includes a holding portion that always holds the connection object between a position where the connection object is connected and a position where the connection object is released. 3. A connector characterized by having.

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