JP3069634B2 - Cable connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector technology, and more particularly, to a flat ribbon cable or FPC (Frexible
The present invention relates to a technology of a cable connector used for connecting a cable such as a printed circuit (Printed Circuit).

[0002]

2. Description of the Related Art FIG. 5 shows a conventional example of a cable connector used for connecting a cable such as a flat ribbon cable. The cable connector 8 includes an insulator 8 into which the flat ribbon cable 9 is inserted.
0, the contacts 81 fixedly arranged in a staggered manner on the insulator 80 at a predetermined pitch, and the contacts 81 are slidably inserted into the insertion holes of the insulator 80 on the upper surface side of the flat ribbon cable 9 and are connected to the contact portions of the flat ribbon cable 9. It is composed of an operation element 83 that presses the contact 81 into a conductive state.

[0003]

However, in the case of the above-mentioned staggered contacts, since the height positions of the contact portions of the contacts 81 in the front-rear direction of the connector are set at the same height, that is, at the entrance side. Since the heights of the contacts 81 arranged on the left side (in the drawing) and the contacts 81 arranged on the back side (the right side in the drawing) are set to be the same, the tip of the flat ribbon cable is inserted when the flat ribbon cable is inserted. Is the contact 81 on the entrance side
And the contact 81 on the entrance side may be deformed. This is remarkable when a reinforcing plate is attached to the tip of the flat ribbon cable. Further, in the above-described conventional connector, the operation element is a slide type, and the contact portion of the contact 81 on the entrance side is set at the same height as the contact portion of the contact 81 on the back side. In addition, since the flat ribbon cable is in a state of being lifted up uniformly as a whole, when the operator 83 is moved, the connection operation of the operator 83 becomes hard due to friction with the flat ribbon cable or the reinforcing plate, and the operability is improved. Bad, which contributed to the incomplete connection.

[0004] The present invention has been proposed in view of the above-mentioned problems of the prior art, and when a flat ribbon cable having conductors arranged in two rows in a staggered arrangement is inserted into a connector,
Without the flat ribbon cable tip colliding with the contact on the entrance side and deforming the contact on the entrance side,
In addition, an object of the present invention is to provide a cable connector that has good connection operability of an operation element and can reliably press-contact the contact portion of a flat ribbon cable to a contact of a connector and has high connection reliability.

[0005]

According to the present invention, an insulator into which a cable is inserted, and two rows of staggered contacts which are in contact with two rows of staggered contacts on one surface of the cable. In a cable connector including a contact and an operation member rotatably engaged with a predetermined portion of the connector, a height of an entrance-side contact arranged on a cable entrance side of an insulator among the contacts arranged in a staggered manner. Is set lower than the height of the back side contact arranged on the back side , and the back side contact is
High enough to press against the insulator when inserting the cable
The contact portion of the back side contact
Holds the cable in cooperation with the insulator
The height of the entrance side contact is
The cable is set at a non-contact height, and
By rotating the operation member, the cable is connected to the connector.
The conductor is fixedly held by the insulator and the conductor is
A cable connector characterized by being brought into a connected state by being pressed against a contact is obtained.

According to the present invention, there is provided an insulator into which a cable is inserted, two rows of staggered contacts abutting on one side of the cable in two rows of front and rear staggered contacts, and a connector. A connector that is rotatably engaged with a predetermined portion of the cable connector, wherein the height of the entrance-side contacts arranged on the cable entrance side of the insulator among the contacts arranged in a staggered manner is the depth side. A step is also provided on the separation wall of the insulator, which is set lower than the height of the rear side contact arranged in the pitch direction of the inlet side contact and the rear side contact, and the height of the entrance side separation wall is provided. The depth side contact is set to a height that can be pressed against the insulator when the cable is inserted, and the depth side contact is The contact portion of the contact holds the cable in cooperation with the insulator, and the height of the entrance-side contact is set to a height in a non-contact state with the cable when the cable is inserted. The cable connector is characterized in that the cable is fixed and held by the insulator of the connector by the rotation, and the conductor is pressed into contact with the two contacts to be in a connected state.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIGS. 1 and 2 show a first embodiment of the present invention. A cable connector 1 includes a flat ribbon cable 3 having conductor portions (contact portions) arranged in a staggered pattern on one surface. An insulator 10 held in an inserted state, two rows of contacts 11 and 12 having a contact portion fixedly held by the insulator and making conductive contact with the conductor portion of the flat ribbon cable 3, and a pivot portion 11 of a limb of the contact 11
b. In the drawings, reference numeral 3a denotes an insulating reinforcing plate, and in the present specification, the flat ribbon cable 3 including the reinforcing plate 3a is referred to for convenience.

The contact 11 is fixedly held with a soldered portion 11c on the inner side of the insulator 10 and has a contact portion 11a with the conductor of the flat ribbon cable 3.
Is disposed so as to be located on the inlet side of the insulator 10. Hereinafter, this contact 11 is referred to as an entrance-side contact 11.

A contact 12 fixedly held with a soldered portion 12c on the inlet side of the insulator 10 is provided.
Is provided with a contact portion 12a so as to face toward the back. Hereinafter, this contact is referred to as the back side contact 1
Two.

As shown in FIG. 1, the inlet contacts 11 and the back contacts 12 are alternately arranged at equal intervals in the longitudinal direction of the connector 1 (in the direction perpendicular to the paper of FIG. 2). This pitch makes conductive contact with two-row staggered conductors (not shown) formed on one surface (the lower surface in FIG. 2) of the flat ribbon cable.

The operating element 15 includes a pivot 11b formed at the tip of the limb from the soldering section 11c of the entrance-side contact 11.
Are rotatably engaged. Here, the operation element 15 rotates from the position shown in FIG. 2A to the position shown in FIG. When the operation element 15 is at the first position, the flat ribbon cable 3 can be inserted into the receiving portion of the insulator 10. Also, the operation element 15 is
When the flat ribbon cable 3 is located at the position, the other surface (upper surface) of the flat ribbon cable 3 is pressed to press the flat ribbon cable against the entrance-side contact 11 and the back-side contact 12, so that the conductor portion on one side of the flat ribbon cable 3 is removed. The contact portion 11a of the entrance side contact 11 and the contact portion 12a of the back side contact 12 are brought into conductive contact. The limb on which the pivot 11b is formed is regulated by the upper wall surface of the insulator 10 so as to be prevented from being deformed when the operation element 15 rotates.

The height of the contact portion 11a of the entrance-side contact 11 and the height of the contact portion 12a of the rear-side contact 12 is higher than the height of the contact portion 12a of the rear-side contact 12. Position is lower than the height position. That is, when the flat ribbon cable 3 shown in FIG. 2A is inserted, one surface of the flat ribbon cable 3 is in non-contact or light contact with the contact portion 11a. On the other hand, the contact portion 12a of the rear side contact 12 is set at such a height that the tip of the flat ribbon cable 3 is pressed against the temporary holding portion 10a of the insulator 10 and temporarily held.

FIGS. 3 and 4 show a cable connector 5 according to a second embodiment of the present invention. In the above-described first embodiment, a step is provided only at the height position of the contact portion 11a of the entrance-side contact 11 and the contact portion 12a of the back contact 12, but in the second embodiment, A step A is provided at the height position of the contact portion 51a of the entrance-side contact 51 and the contact portion 52a of the back-side contact 52, and the pitch direction between the entrance-side contact 51 and the back-side contact 52 fixed to and held by the insulator 50. A step is also provided on the separating wall 50a of the insulator 50 to be isolated. That is, the contact portion 51a of the entrance-side contact 51 is
Is located lower than the height position. The portion of the separation wall 50a where the contact portion 51a of the entrance side contact 51 is located is formed to be lower than the portion where the contact portion 52a of the back side contact 52 is located.
By reducing the height of the separation wall on the entrance side in this way, it is possible to prevent the tip of the flat ribbon cable from colliding with the separation wall tip surface when the flat ribbon cable 6 is inserted into the connector 5.

Also in the second embodiment, the flat ribbon cable 6 (the reference numeral 6a in the drawing is provided in the rear of the insulator receiving portion in cooperation with the contact portion 52a of the rear contact 52). A flat ribbon cable 6 including the reinforcing plate 6a.
A temporary holding portion 50b for holding the tip is formed. Further, in the second embodiment, the operating element 55 has a pivot 51 formed at the distal end of the limb of the entrance-side contact 51.
b, and is configured to rotate between the positions shown in FIGS. 3 and 4 (a) and the position shown in FIG. 4 (b). 3 and 4 (a) are positions when the flat ribbon cable 6 is inserted into the connector 5, and FIG. 4 (b) presses the flat ribbon cable 6 to connect the flat ribbon cable 6 to the insulator 50. This is a position where the conductor of the flat ribbon cable 6 is pressed and brought into contact with the contact, particularly the contact portion 51a of the entrance side contact 51, in a conductive state. Note that the distal end side of the flat ribbon cable 6 is attached to the temporary holding portion 5 of the insulator 50 by the elastic force of the back side contact 52.
0b , so that the state shown in FIG.
Connector 5 of flat ribbon cable 6 shown in FIG.
At the initial stage of insertion into the flat ribbon cable 6, the contact portion 51a is already connected to the conductor of the flat ribbon cable 6 with almost necessary contact force. Thereafter, when the operation element 55 is rotated to the position shown in FIG. 4B, the operation element 55 presses the flat ribbon cable 6, and the contact element 51 a cooperates with the operation element 55 and the entrance-side contact 51. Is electrically connected to the corresponding conductor portion of the flat ribbon cable 6 in a press-contact state, and this state is maintained.

[0016]

As described above, according to the present invention, the height of the contact portion of the contact that makes conductive contact with the conductors arranged in two rows in a zigzag pattern of the flat ribbon cable is low at the entrance side of the connector, Since the back side is set high,
At the time of insertion into the connector, the tip side of the flat ribbon cable can be inserted without interfering with the contact portion of the entrance side contact, and in the state where the insertion is completed,
The flat ribbon cable is held by the contact portion of the back side contact and the temporary holding portion of the insulator, so that the flat ribbon cable can be easily inserted into the connector, and when the flat ribbon cable is inserted, the entrance due to the collision of the flat ribbon cable. The deformation of the side contact can be prevented.

Further, in the present invention, since the operation element is a rotary type, the operation of the operation element can be easily performed.

[Brief description of the drawings]

1A and 1B are external perspective views showing a cable connector of the present invention, wherein FIG. 1A shows a state where an operator is closed (when a flat ribbon cable is held), and FIG. 1B shows a state where the operator is opened. FIG.

FIGS. 2A and 2B are side cross-sectional views showing a first embodiment of the present invention, wherein FIG. 2A is an explanatory view of a state where a flat ribbon cable is inserted, and FIG. It is explanatory drawing which shows (connection state).

FIG. 3 is a side sectional view showing a second embodiment of the present invention.

FIGS. 4A and 4B are side cross-sectional views showing a second embodiment of the present invention, wherein FIG. 4A is an explanatory view of a state where a flat ribbon cable is inserted, and FIG. 4 is a side cross-sectional view of a contact adjacent to the contact shown in FIG.

FIG. 5 is a side sectional view showing one embodiment of a conventional cable connector.

[Explanation of symbols]

 1,5 Cable connector 3,6 Flat ribbon cable 10,50 Insulator 11,51 Inlet side contact 11a, 12a Contact part 12,52 Back side contact 15,55 Operator 51a, 52a Contact part

Claims (2)

(57) [Claims] 1. An insulator into which a cable is inserted, two rows of staggered contacts abutting on two sides of a staggered contact part on one surface of the cable, and a predetermined portion of a connector pivotally moved. In a cable connector including a freely engaged operator, a height of an inlet-side contact arranged on a cable entrance side of an insulator among the contacts arranged in a staggered manner is a rear part arranged on a rear side. Is set lower than the height of the side contact ,
The rear contact contacts the cable when inserting the cable.
The height is set so that it can be pressed against the insulator.
The contact part of the external contact cooperates with the insulator
And hold the cable at the height of the entrance side contact.
The height at which the cable is in non-contact when inserted
The rotation of the operation element causes the
When the cable is fixedly held by the connector insulator
In both cases, the conductor is pressed into contact with both contacts and connected
Cable connector characterized by comprising a. 2. An insulator into which a cable is inserted, two rows of staggered contacts abutting on two sides of a staggered contact portion on one surface of the cable, and a predetermined portion of the connector pivotally moved. In a cable connector including a freely engaged operator, a height of an inlet-side contact arranged on a cable entrance side of an insulator among the contacts arranged in a staggered manner is a rear part arranged on a rear side. It is set lower than the height of the side contact, a step is also provided in the separation wall of the insulator that is isolated in the pitch direction of the entrance side contact and the back side contact, and the height of the entrance side separation wall is reduced, The back side contact is set to a height that can be pressed against the insulator when the cable is inserted, and the contact portion of the back side contact is The cable holds the cable in cooperation with the insulator, and the height of the entrance-side contact is set to a height at which the cable is not in contact with the cable when the cable is inserted. A cable connector fixedly held by an insulator of the connector, and a conductor thereof being pressed against the two contacts to be in a connected state.