JPH09102368A - Fpc multi-row zif connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an FPC multi-row ZIF connector using a flexible FPC as a contact and preventing a FPC conductor from being opened by bending when the connector is coupled or released. SOLUTION: A shoulder section 31 which is the support section of the FPC 20 of a slider 30 is formed into a curved surface so that the radius of curvature of the FPC 20 is not made too small, and a bend section 21a limiting the radius of curvature of the FPC 20 not to be too small at the time of coupling is provided on an elastic plate 21. The support section 19 of a housing 10 against the FPC 20 is formed into the curved surface so that the radius of curvature of the FPC 20 is limited not to be too small at the time of coupling.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to FPs arranged in multiple rows.
The present invention relates to an FPC protective structure of a ZIF (Zero Insertion Force) connector that can connect a C (Flexible Printed Circut) with low operating force.

[0002]

2. Description of the Related Art For contacts of mating connectors, F
Many connectors have been developed for connecting a connecting portion (contact) of another substrate using a PC. For example, regarding a mechanical drive type, as an example, Japanese Patent Laid-Open No. 3-30
The electrical connector device disclosed in Japanese Patent No. 273, the modified high-density backplane connector disclosed in Japanese Patent Laid-Open No. 3-257775, and another example using a shape memory alloy. Is a connector having high density and high signal integrity disclosed in Japanese Patent Application Laid-Open No. 4-501138.

[0003]

However, the FPC
In the case of a ZIF connector that uses
Since mating and disengagement with the mating connector is repeated,
In particular, when the FPC is bent with a small curvature, the conductor pattern inside the FPC may be broken, which greatly deteriorates the reliability of the connector.

The present invention has been made to solve the above problems, and a technical problem thereof is that in a FPC multi-row ZIF connector using a flexible FPC as a contact, a conductor pattern of the FPC is a connector. FPC multi-row Z that does not break due to bending when mating / unmating
It is to provide an IF connector.

[0005]

According to the present invention, an FPC
A housing for housing one end of the FPC and a housing for holding the FPC and for fitting and connecting the conductor pattern exposed on one surface of the one end of the FPC to the contact of the mating connector by pressing. And a slider that is reciprocally movable in one direction, and is fixed to the other surface of one end of the FPC and is rotatably disposed in the housing, and engages with the slider when the slider moves in the fitting direction. And an elastic plate that presses the FPC outwardly, and the slider has a shoulder portion that receives and supports the FPC, and the shoulder portion of the FPC when not fitted. The elastic plate has a curved surface for keeping a large radius of curvature, the elastic plate has a bent portion for keeping a large radius of curvature of the FPC at the time of fitting, and the housing receives the FPC at the time of fitting. One has a 支受 part is a supporting part, said supporting the receiving part, characterized in that it has a curved surface to keep increasing the curvature radius of the FPC when fitted FPC
A multi-row ZIF connector is obtained.

[0006]

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

FIG. 1 is a perspective view showing a separated state of a ZIF connector and a mating connector according to an embodiment of the present invention, and FIG. 2 is a perspective view showing a mating state of the ZIF connector and the mating connector shown in FIG. 3 is a perspective view showing the disassembled state of the ZIF connector shown in FIG. 1, FIG. 4 is a perspective view showing the disassembled state of the mating connector shown in FIG. 1, and FIG. 5 is an explanation of the ZIF connector shown in FIG. It is a figure, (a) is a top view,
(B) is a front view, (c) is a side view, (d) is a bottom view, FIG. 6 is an enlarged side sectional view of the ZIF connector shown in FIG. 1, and FIG. 7 is connected to the ZIF connector shown in FIG. 8 is a plan view of a main part of a board, FIG. 8 is an explanatory view of the mating connector shown in FIG. 1, (a) is a plan view, (b) is a front view,
9C is a side view, FIG. 9D is a bottom view, FIG. 9 is an enlarged side sectional view of the mating connector shown in FIG. 1 connected to the board, and FIG. 10 is a mating connector shown in FIG. FIG. 2 is an enlarged side cross-sectional view showing a fitted state with the ZIF connector shown in FIG.

Referring to FIGS. 1 to 10, an FPC multi-row ZIF connector 1 according to an embodiment of the present invention has a housing 10 for holding and housing an FPC 20, and a housing 10 for housing the FPC 20, as is apparent from FIG. It has a slider 30 held therein, and is fitted and connected to the mating connector 9 as is apparent from FIG.

A conductive pattern is exposed on the surface side of one end of the FPC 20, and an elastic plate 21 is fixed to the opposite surface of the FPC 20 as shown in FIG. It is conducting. In this embodiment, the elastic plate 21 is made of a conductive metal material and also serves as a ground contact. The present invention is not limited to this, and the elastic plate may be used not as the ground contact but as the reinforcing member and the pressing member of the FPC.

A bent portion 21a having an arcuate cross-section is formed on the upper edge of the elastic plate 21 toward the outside. The bent portion 21a serves to push the FPC 20 outward. The bent portion 21a is formed in an arc shape,
When the FPC 20 is bent, the radius of curvature of the FPC 20 is prevented from becoming small, and the conductor pattern of the FPC 20 is prevented from being broken. Also, the elastic plate 2
1 is rotatably supported by the housing 10 at its both ends in the longitudinal direction, and is returned to a predetermined position by its elasticity. Further, a projecting portion 21b is formed at the middle portion in the height direction of the elastic plate 21. This protrusion 21
b is the slider 3 as apparent from FIGS. 6 and 10.
When 0 slides, it is pressed by a cam portion 33 formed on a slider 30 described later, whereby the elastic plate 21 rotates within the housing 10. Therefore, when the slider 30 is pushed down in the fitting direction, the elastic plate 21 engages with the slider 30 and rotates,
At this time, the bent portion 21a pushes the FPC 20 outward so that the FPC 20 is pressed against the support portion 19 formed in the housing 10, as described later.

As is apparent from FIGS. 3, 5 and 6,
The housing 10 of the ZIF connector 1 is formed of an insulating material in a substantially box shape, and the receiving portion 17 of the mating connector 9 is formed on the bottom surface side. An FPC 2 having an elastic plate 21 fixed to the housing 10 in the longitudinal direction thereof.
A holding groove 11 for holding 0 in the inserted state is formed,
The conductive pattern formed on the surface of the FPC 20 inserted into the holding groove 11 is electrically connected to the terminal portion of the substrate 101 via the contact 80 of the mating connector 9 when the connector is connected. Similarly, the elastic plate 21 serving as a ground contact is also configured to be electrically connected to the ground pattern of the substrate 101 via the ground contact 81 in the mating connector 9.

An elastic plate (ground contact) is formed on the inner surface of the fitting side end of the housing 10 when the connector is connected.
FPC 20 expanded by the bent portion 21a of 21
The support portion 19 for receiving and supporting the support is formed in a curved surface shape, so that the FPC 20 is bent along the support portion 19 so that the radius of curvature of the FPC 20 does not become small as apparent from FIG. 10. Is restricted to. In addition, a pressing portion 3 provided at both ends in the longitudinal direction of the housing 10 so as to hang from both ends of a slider 30 described later.
The housing portion 13 that receives the lock piece 5 and the lock piece 36 is formed. Further, at both ends in the longitudinal direction of the housing 10,
Base insulator 90 of mating connector 9 described later
A notch 18 is formed to receive the fitting protrusion 93 formed on the.

Further, as is apparent from FIG. 6, a lock spring 15 is provided so as to hang down on one side of the housing portion 13 of the housing 10. The lock spring 15 is pressed by a pressing portion 35 of a slider 30 which will be described later. And a locking projection 15b that engages with a locking recess 95 formed on both end surfaces of a base insulator 90, which will be described later, is formed on the inner surface thereof.

As best seen from FIGS. 3 and 6, the slider 30 housed in the housing 10 and movable in the fitting direction has a pair of FPs loaded in the housing 10.
Shoulders 31 that push C20 outwardly are formed continuously in the longitudinal direction. On the upper surface side of both ends in the longitudinal direction of the slider 30, the slider 3 is projected upward.
A mounting portion 32 for mounting 0 on the substrate 100 is provided, and the cam portion 33 is provided in the lower center portion of the shoulder portion 31.
Are formed. Further, at both ends of the slider 30 in the longitudinal direction, a tongue-shaped pressing portion 35 and a locking piece 36 are formed downward.
Are provided so as to hang down. The shoulder portion 31 is formed into a curved surface so as to keep the radius of curvature of the FPC 20 large when the connector is not connected, in other words, to prevent the radius of curvature of the FPC 20 from becoming small.

When the slider 30 is moved toward the mating connector 9 along the fitting direction, the above-mentioned pressing portion 35 of the slider 30 comes into pressing contact with the lock spring 15 of the housing 10 and the locking projection of the housing 10. The portion 15b is engaged with the locking recess 95 of the base insulator 90 to lock this engagement.

A retainer 50 for fixing and holding the FPC 20 on the slider 30 is provided on the upper surface of the slider 30.

FIG. 7 shows a substrate 100 to which the ZIF connector 1 of this embodiment is connected.

The mating connector 9 is shown in FIGS. 1, 4 and 9
As is apparent from the base insulator 90 and the F
Contact 80 that makes conductive contact with the conductive pattern of the PC 20
And a ground contact 81 that makes conductive contact with the elastic plate (ground contact) 21, and the contact 80 and the ground contact 81 are provided in the base insulator 90.
Is fixedly held.

Locking recesses 95 are formed in the vicinity of both ends in the longitudinal direction of the base insulator 90.
The locking convex portion 15b of the lock spring 15 formed on the housing 10 is engaged with the locking concave portion 95. Further, fitting protrusions 93 that fit into the notches 18 formed at both longitudinal ends of the housing 10 are formed at both longitudinal ends of the base insulator 90.

Next, the procedure for connecting the ZIF connector of the present invention will be described.

The ZIF connector 1 of this embodiment is an FPC.
This is a type in which a board 100 to which 20 is connected and a board 101 on which the mating connector 9 is mounted are connected. First, the housing 10 of the ZIF connector 1 is connected to the mating connector 9
The base insulator 90 is fitted. The fitting at this time can be performed without insertion force. Next, the pressing portion 3 of the slider 30
5, the engaging projection 15b and the engaging recess 95 are engaged,
The board 100 is held and pushed into the mating connector 9 until the housing 10 is locked to the base insulator 90. At this time, the cam portion 33 of the slider 30 presses the protruding portion 21b of the elastic plate 21. As a result, the elastic plate 21 rotates, and the elastic plate 21 causes the FP to move.
The conductive pattern of C20 is in pressure contact with the contacts 80 and 81 of the mating connector 9, and the two substrates 100 and 101 are connected to each other. Before and after this fitting, the elastic plate 2
The bent portion 21a of No. 1, the shoulder portion 31 of the slider 30, and the support portion 19 of the housing 10 prevent the radius of curvature of the FPC 20 from decreasing.

[0022]

As described above, according to the present invention, the FP
Since C is supported on an arc surface having a large curvature at the contact portion with the slider, the elastic plate, and the housing, it is formed on the FPC without being bent with a small curvature when connecting or disconnecting the connector. The pattern is hard to break,
A long-life ZIF connector can be obtained.

Further, according to the present invention, when the elastic plate fixed to the back surface side of the FPC is used as the ground contact, the structure becomes a microstrip line structure, the signal transmission characteristic is improved, and a higher speed signal is transmitted. It becomes possible to transmit.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a separated state of a ZIF connector and a mating connector according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a fitted state of the ZIF connector shown in FIG. 1 and a mating connector.

3 is a perspective view showing an exploded state of the ZIF connector shown in FIG. 1. FIG.

FIG. 4 is a perspective view showing an exploded state of the mating connector shown in FIG. 1.

5 is an explanatory view of the ZIF connector shown in FIG. 1,
(A) is a plan view, (b) is a front view, (c) is a side view,
(D) is a bottom view.

FIG. 6 is an enlarged side sectional view of the ZIF connector shown in FIG.

7 is a plan view of an essential part of a substrate connected to the ZIF connector shown in FIG.

FIG. 8 is an explanatory view of the mating connector shown in FIG.
(A) is a plan view, (b) is a front view, (c) is a side view,
(D) is a bottom view.

9 is an enlarged side cross-sectional view showing a state in which the mating connector shown in FIG. 1 is connected to a board.

10 is an enlarged side cross-sectional view showing a fitted state with the ZIF connector shown in FIG. 1 in a state where the mating connector shown in FIG. 1 is connected to a substrate.

[Explanation of symbols]

 1 ZIF Connector 10 Housing 15 Lock Spring 19 Supporting Part 20 FPC 21 Elastic Plate (Ground Contact) 21a Bending Part 30 Slider 31 Shoulder Part 33 Cam Part 35 Pressing Part 36 Lock Piece 80 Contact 81 Ground Contact 100 Board 101 Board

Claims (1)

[Claims] 1. A housing for accommodating one end of an FPC, and a conductor pattern for holding the FPC and exposing the conductor pattern exposed on one surface of the one end of the FPC to a contact of a mating connector when the mating connection is made. A slider reciprocally movable in the fitting direction with respect to the housing; and a slider fixed to the other surface of the one end of the FPC and rotatably arranged in the housing for moving the slider in the fitting direction. An elastic plate that engages with the slider and presses the FPC, the slider has a shoulder portion that receives and supports the FPC, and the shoulder portion has the shoulder when not fitted. FPC
Has a curved surface for keeping a large radius of curvature, the elastic plate has a bent portion for keeping a large radius of curvature of the FPC at the time of fitting, and the housing receives and supports the FPC at the time of fitting. An FPC multi-row ZIF connector, characterized in that it has a supporting portion which is a portion to be formed, and the supporting portion has a curved surface for keeping a large radius of curvature of the FPC at the time of fitting.