JPH08203624A - Electric connector - Google Patents

Abstract

PURPOSE: To provide an electric connector for a flat type flexible cable to which a ground connecting function is applied by forming a slider of metal and has high reliability in electric connection. CONSTITUTION: Contacts 22 in two rows are arranged in opposed positions in a housing 20. A slider 40 is formed in a cross-sectional almost T shape integrally molded by punching a metallic plate. Flexible printed wiring boards (flat type flexible cables) 60 are arranged on both sides of the slider 40. Grounding wiring is formed on the reverse 70b and 72b of the printed wiring boards 60, and is electrically contacted with the slider 40. A grounding conductive member 24 is fixed to both side surfaces 20a of the housing 20, and when the slider 40 is inserted into the housing 20, the slider 40 and the grounding conductive member 24 are contacted with each other, and grounding connection is performed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a housing into which a flexible printed wiring board (flat flexible cable) is inserted and a slider for fixing the flexible printed wiring board inserted into this housing. Regarding electrical connectors.

[0002]

2. Description of the Related Art Conventionally, an electrical connector for connecting a flexible printed wiring board (hereinafter referred to as FPC) and a plate-shaped printed wiring board (hereinafter referred to as PCB) has been widely used. The electrical connector generally includes a contact with which a conductive pad formed on the FPC contacts, a housing in which the contact is arranged, and the FPC is inserted.
There is provided a resin slider which is inserted into the housing and fixes the FPC inserted into the housing to surely bring the conductive pad and the contact into contact with each other (JP-A-61-61).
-131382, Japanese Utility Model Laid-Open No. 2-120780, and Japanese Patent Laid-Open No. 5-251140).

A slider having a length corresponding to the width of the FPC is inserted into a housing into which a wide FPC having a large number of conductive pads formed in the width direction is inserted. However, since the slider is made of resin, if the length of the slider is increased, the slider may be bent or bent. If the slider is bent when the long slider is inserted into the housing, the conductive pads of the FPC and the contacts arranged in the housing may not be surely contacted with each other, which may cause a contact failure, and the reliability of the electrical connector is deteriorated. To do. Further, in order to prevent such contact failure, it is necessary to carefully insert the slider into the housing so as not to bend, and the operability of the electrical connector becomes poor.

[0004]

SUMMARY OF THE INVENTION In view of the above circumstances, an object of the present invention is to provide an electric connector having improved reliability and operability.

[0005]

SUMMARY OF THE INVENTION To achieve the above object, an electrical connector of the present invention comprises a housing into which a flexible printed wiring board having signal wiring and ground wiring is inserted, and the housing. And a slider for fixing the printed wiring board inserted in the housing to the housing,
The housing has a grounding conductive member fixed to the housing, and the slider is inserted into the housing, and the grounding conductive member of the housing and the print fixed to the housing. It is characterized in that it is made of metal that comes into contact with both of the ground wirings of the wiring board.

[0006]

In the electrical connector of the present invention, since the slider is made of metal, the slider has a high rigidity, and there is almost no risk of the slider bending or breaking. Therefore, it is possible to prevent poor contact between the FPC and the electrical connector without careful insertion, and obtain excellent reliability and operability. Moreover, since the slider comes into contact with both the grounding conductive member fixed to the housing and the grounding wiring of the FPC while being inserted into the housing, the slider also functions as a grounding member.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the electrical connector of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of the electric connector of the present invention, and FIG. 2 is an FP in which the slider of the electric connector shown in FIG. 1 is connected to a memory card connector.
FIG. 5 is a perspective view showing a state of being attached to C, and FIGS.
Shows the housing of the electrical connector of FIG. 1, and FIGS. 5 and 6 show the slider of the electrical connector of FIG.

The electrical connector 10 includes a housing 20 into which the FPC 60 is inserted, a number of contacts 22 arranged in two rows at opposite positions of the housing 20, and a slider for pressing and fixing the FPC 60 inserted into the housing 20. 40 is provided. On both side surfaces 20a in the longitudinal direction of the housing 20, the side portions 24a are press-fitted into the slots 20b of the housing 20 and the projections (not shown) formed on the side portions 24a are engaged with the housing 20.
A plate-shaped grounding conductive member 24 is fixed, and when the slider 40 is inserted into the housing 20 by moving the slider 40 in the direction indicated by an arrow 41, as will be described later, the grounding portion 42 of the slider 40 and the grounding conductive member 24 are connected. Protrusion 24b of member 24
Come into contact with. The grounding conductive member 24 is a substrate (not shown)
, The mounting strength of the housing 20 to the substrate is increased. Further, the large number of contacts 22 arranged in the housing 20 are connected to the conductive pads 64 of the signal wiring 62 formed on the FPC 60, respectively.

As shown in FIG. 2, the FPC 60 is bent at a central portion 65 and ends 66 and 68 are connected to a memory card connector 80, respectively. The shape of the FPC 60 is clearly shown in FIGS. 7 and 8, and the FPC 60 is bent at the central portion 65 to have a continuous shape, and two wiring portions 70 and 72 are formed. The signal wiring 6 shown in FIG. 2 is provided on the surfaces 70a and 72a of the wiring portions 70 and 72, respectively.
2 and conductive pads 64 are formed. Also, the wiring section 7
Ground wirings (not shown) are formed on the back surfaces 70b and 72b of the respective 0 and 72. This ground wire is
It may be formed on the entire surfaces of the back surfaces 70b and 72b, or may be formed on a part thereof.

The slider 40 is formed integrally by punching and bending a single metal plate made of a copper alloy such as phosphor bronze, and has the above-mentioned grounding portions 42 formed at both ends. In molding the slider 40,
The punched metal plate is bent at the center portion 40a, the end portion is opened outward, and the portion corresponding to the ground portion 42 is bent downward to form the ground portion 42. The ground portion 42 has elasticity, and the housing 20 is sandwiched from both sides by this elasticity. The slider 40 is arranged so as to be sandwiched between the wiring portions 70 and 72. Until the slider 40 is inserted into the housing 20, the slider 40 remains in the FPC 60.
It is temporarily locked to the protrusion 60a (see FIG. 7) formed on the.

Next, referring to FIGS. 7 and 8, the FPC 60
Will be described in order until it is inserted into the housing 20 and fixed by the slider 40. To fix the FPC 60 to the housing 20 with the slider 40, first,
As shown in FIG. 8A, the slider 40 is arranged at a position apart from the central portion 65 of the FPC 60. Next, FIG.
And as shown in FIG. 8B, the central portion 65 of the FPC 60.
Is inserted into the housing 20. Central part 65 of FPC 60
8C, the slider 40 is inserted into the housing 20 by overcoming the protrusion 60a of the FPC 60 as shown in FIG. 8C, and the central portion 65 of the FPC 60 inserted into the housing 20 is moved by the slider 40. Press down. As a result, the ground wiring formed on the back surfaces 70b and 72b of the FPC 60 and the slider 40 are surely brought into contact with each other, and as described above, the ground portion 42 of the slider 40 is provided.
And the protruding portion 24b of the grounding conductive member 24 are in contact with each other.

When the slider 40 is inserted, since the slider 40 is made of metal, there is almost no possibility that the slider 40 will bend or break. Therefore, the conductive pad 64 (see FIG. 2) can be surely brought into contact with the contact 22 without inserting it so carefully as compared with the case of using a resin slider, and excellent reliability and operability can be obtained. Moreover, the metal slider 40 is attached to the housing 2
Since the slider 40 contacts the grounding conductive member 24 fixed to the housing 20 and the grounding wiring (not shown) of the FPC 60 when the slider 4 is inserted in the slider 4,
0 also functions as a grounding member.

[0013]

As described above, according to the electrical connector of the present invention, since the slider is made of metal, there is almost no risk of the slider bending or breaking, and the FPC and the electrical connector can be inserted without careful insertion. Contact failure can be prevented and excellent reliability and operability can be obtained. In addition, since the slider contacts the grounding conductive member fixed to the housing and the grounding wiring of the FPC when the slider is inserted in the housing, the slider also functions as a grounding member.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of an electric connector of the present invention.

FIG. 2 is a perspective view showing a state in which the slider of the electric connector shown in FIG. 1 is attached to a flexible printed wiring board connected to a memory card connector.

3 shows the housing of the electrical connector of FIG. 1,
(A) is a front view, (b) is a side view, (c) is A of (a).
It is -A sectional drawing.

FIG. 4 shows the housing of FIG. 3, (a) is a plan view,
(B) is a bottom view.

5 shows a slider of the electrical connector shown in FIG. 1,
(A) is a front view, (b) is a plan view, and (c) is a rear view.

6A is a cross-sectional view taken along the line BB of FIG. 5A, and FIG. 6B is a side view of the slider of FIG.

7A and 7B show a state in which a flexible printed wiring board is inserted into the electric connector of FIG. 1, FIG. 7A is a front view, and FIG. 7B is a side view.

8A and 8B sequentially show a state in which the slider of the electrical connector of FIG. 1 is inserted into the housing and the flexible printed wiring board is fixed. FIG. 8A shows the flexible printed wiring board inserted into the housing. Sectional view showing the previous state, (b) is a sectional view showing a state in which the flexible printed wiring board is inserted into the housing, (c) is a flexible printed wiring board fixed to the housing by a slider It is sectional drawing which shows a state.

[Explanation of symbols]

 10 electrical connector 20 housing 24 conductive member for grounding 40 slider 60 FPC 62 signal wiring

Claims (1)

[Claims] 1. A housing into which a flexible printed wiring board on which signal wiring and ground wiring are formed is inserted,
An electrical connector comprising: a slider that is inserted into the housing and that fixes the printed wiring board that is inserted into the housing to the housing, wherein the housing has a grounding conductive member that is fixed to the housing. , With the slider inserted in the housing,
An electrical connector, which is made of metal and is in contact with both the grounding conductive member of the housing and the grounding wiring of the printed wiring board fixed to the housing.