JP3069627B2 - FPC connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to an FPC (Flexib
ZIF (Zero Insertion F) that can connect the le Printed Circuit with low operation force
(orce) type FPC connection connector.

[0002]

2. Description of the Related Art Conventionally, a flat flexible cable (hereinafter, this flexible cable is simply referred to as FPC) having a plurality of conductive patterns disposed on the surface of an insulating tape and having a back surface serving as a ground surface is provided side by side. When connecting to a connector for connecting between parallel substrates having a plurality of contacts, for example, as shown in FIG.
FPC6 for one of the connectors 70, 70
0 is connected by soldering.

That is, in this case, the positioning projections 72 provided near both ends of the connector 70 with the ground surface 61 on the back surface of the FPC 60 on the outside and the surface on which the respective conductive patterns are disposed on the inside, and near the both ends of the FPC 60. After positioning the FPC 60 by inserting the positioning holes 62 provided, each conductive pattern on the surface of the FPC 60 is connected by soldering to a predetermined number of contacts of the connector 70. Further, as a measure against electromagnetic interference, the ground surface 61 of the FPC 60 is turned to the front side of the FPC 60 through a via hole (not shown) provided in the FPC 60 using a lead wire or the like, and soldered to a specific number of contacts of the connector 70. Connecting.

The other connector 50 is a mating connector with respect to the one connector 70. When these connectors are fitted together, the respective contacts are brought into contact with each other, and the terminals on the bottom surface of the mating connector 50 are connected to the respective terminals. A conductive connection can be made.

[0005]

In the case of the above-described configuration in which the FPC is connected to the connector, the FPC is positioned with respect to the contacts, and then each conductive pattern of the FPC is formed of a predetermined number of the contacts of the connector. Since the soldering is performed on the FPC, there is a problem that it takes time and effort to connect the FPC and the workability is poor.

Further, as a countermeasure against electromagnetic interference, it is necessary to connect the ground surface of the FPC to a specific number of the contacts of the connector. There is a problem that the electromagnetic interference is not sufficiently taken due to the routing, and the electromagnetic interference is incomplete.

The present invention has been made to solve such problems, and the technical problem is that the FPC can be brought into contact with a predetermined number of contacts with a low operating force without requiring an extra number of contacts. It is another object of the present invention to provide an FPC connector that can sufficiently take measures against electromagnetic interference.

[0008]

According to the present invention, it is possible to connect an FPC having a plurality of conductive patterns disposed on its surface, and to connect the FPCs connected to the plurality of conductive patterns. An FPC connection connector having a plurality of contacts in an insulator, wherein the connector is rotatably supported on the insulator, extends an insertion port for the FPC along one side of the insulator, and has one end of the plurality of contacts. An operation cover portion having elasticity provided so as to hold the portion in an exposed state, wherein the plurality of contacts have an open operation state and a close operation state of the operation cover portion at one end side near the insertion opening; The operation contact bending portion is bent so as to be able to press and contact the FPC inserted in the state described above, and a wall surface facing the operation contact bending portion of the insulator. , Open operating state and projecting operating abutment projection is brought into contact with one side surface of the operation cover accommodated in the insertion mouth in a closing operation state of the operation cover part is provided,
As the FPC, an FPC connection connector can be obtained which is inserted from the insertion opening in such a direction that the front surface is in contact with the operation contact bending portion and the back surface is in contact with one side surface of the operation cover portion.

Further, according to the present invention, in the FPC connection connector, a locking projection protruding for locking the operation cover is provided on a wall surface opposite to the operation contact projection of the insulator. As a result, an FPC connection connector is obtained in which the locking recess is fitted on the locking projection on the other side opposite to the one side of the operation cover.

Further, according to the present invention, any of the above FPs
In the C connection connector, the FPC has a rear surface serving as a ground surface, and the operation cover portion is an FPC connection connector made of a conductive material.

In addition, according to the present invention, any one of the above F
In the connector for PC connection, a connector for FPC connection is provided at both ends in one side direction of the insulator so as to be able to be fitted with a connector having another plurality of contacts on the other side in the insulator. Is obtained.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments will be described below in detail with reference to the drawings.

FIG. 1 shows a basic configuration of an FPC connector according to an embodiment of the present invention. FIG. 1A is a top view of the FPC connector, and FIG. FIG. 3A is a side view in the X direction, FIG. 3C is a bottom view, and FIG. 3D is a side view in the Y direction in FIG. FIG. 2 is a side cross-sectional view taken along the line AA ′ of FIG. 1B, and FIG. 2A shows an FPC 4 in an open operation state of an operation cover 30 described later.
FIG. 2B illustrates the state of insertion of the FPC 40 when the operation cover unit 30 is in the closing operation state.

The FPC connection connector is provided to enable connection of the FPC 40 having a plurality of conductive patterns disposed on a front surface and a back surface serving as a ground surface 41. Each conductive member of the FPC 40 is provided in the insulator 10. A plurality of contacts 20 connected to the pattern are arranged in parallel.

The insulator 10 is rotatably supported by a pivot 32 provided on one side of the opening 12 on both sides in one side direction, and the insertion port 11 for the FPC 40 is connected to one side of the insulator 10 in the one side direction. The operation cover portion 30 extends along the opening and has an elasticity so as to hold the one end side of each contact 20 in an exposed state.
Is provided. The material of the operation cover 30 is conductive, and is made of, for example, metal. Note that the pivot portion 32 has a function of preventing the operation cover portion 30 from coming off the insulator 10.

Each contact 20 is shown in FIG.
As shown in (b), one end side near the insertion opening 11 is bent by bending so that the FPC 40 inserted in the open operation state and the close operation state of the operation cover unit 30 can be pressed and contacted. The bent portion 21 is for operation contact. In addition, the bending portion 21 for operating contact of the insulator 10
On the wall surface facing the side surface, one side surface of the operation cover unit 30 housed in the insertion slot 11 in the open operation state and the close operation state of the operation cover unit 30, that is, the insertion contact wall part 31 for guiding the insertion of the FPC 40. An operation contact protrusion 14 is provided which is in contact with the projection. As a result, the FPC 40 is inserted from the insertion opening 11 in such a direction that the front surface is in contact with the operation contact bent portion 21 and the ground surface 41 on the back surface is in contact with the insertion contact wall portion 31 of the operation cover portion 30, respectively. I have. Further, on the wall surface of the insulator 10 opposite to the operation contact protrusion 14, there is provided a locking protrusion 13 projecting for locking to the operation cover 30, and the operation cover 3 is provided.
On the side surface opposite to the insertion contact wall portion 31, a notch portion 33 is provided as a locking concave portion to be fitted with the locking convex portion 13.

Using this FPC connection connector, an FPC
When the FPC 40 is connected, first, as shown in FIG. 2A, the operation cover 30 is opened and the FPC 40 has the front surface in the operation contact bending portion 21 and the back surface ground surface 41 as described above. After the operation cover 30 is inserted through the insertion opening 11 in a direction in which it comes into contact with the insertion contact wall 31 of the operation cover 30, the operation cover 30 is rotated and the locking projection 13 is rotated.
The notch 33 is fitted to the cover to bring the operation cover 30 into the closing operation state.

Thereafter, when the FPC 40 is bent so that the front and back surfaces of the FPC 40 are parallel to the upper surface of the connector, the connection of the FPC 40 is completed as shown in FIG. 2B. Thereby, each conductive pattern of the FPC 40 is connected to each contact 20 with a low operating force, and furthermore, the FPC
Since the ground surface 41 of 40 is grounded to the conductive operation cover section 30 via the insertion contact wall section 31, sufficient measures against electromagnetic interference can be taken.

The FPC connector can be connected to a conventional mating connector having a plurality of contacts.

FIG. 3 is a view for explaining the fitting connection and the detailed configuration of the FPC connection connector and the mating connector, and FIG. 3A is a partial top view of the mating connector. FIG. 2B is a partial side view showing a state in which the FPC connection connector and the mating connector are fitted and connected, and FIG. 2C is a partial bottom view in this state (excluding the terminal portion). (D) is a partial perspective view of an operation cover portion provided in the FPC connector, and (e) is a transparent side view in the AA ′ direction of FIG. Part cross section). FIG. 4 is a schematic diagram of FIG.
FIG. 3A is a cross-sectional view taken along the line BB ′ of FIG.
FIG. 4B illustrates how the FPC 40 is connected when the operation cover 30 is closed.

The mating connector 50 is shown in FIG.
As shown in (a), in a top view thereof, a plurality of contacts 20 ′ are arranged in two upper and lower rows at the same pitch so that the axial direction is located therebetween in two upper and lower rows. From the top view, the terminals connected to these contacts 20 ′ are vertically projected in the top view.

In a state where the mating connector 50 is fitted to the FPC connection connector having the insulator 10 as a main body, as shown in FIG.
The upper and lower contacts 20 'are alternately brought into contact with one or the other of the wall pieces in the opening in the lower surface direction of the "0" cross-section H-shaped portion. By the way, FIG.
In (b), the one on the left is the state where the contacts 20 and 20 'are connected, and the one on the center is the contact 20.
The right side shows the contact 20 '.

That is, this connector for FPC connection can operate as shown in FIGS. 4 (a) and 4 (b) even when the mating contact 50 having a plurality of contacts 20 'is fitted. Set the unit 30 to the open operation state and
After inserting the C40 and closing the operation cover unit 30, the FPC 40 is bent so that the front and back surfaces of the FPC 40 are parallel to the upper surface of the connector, and as shown in FIG.
As in the case described with reference to FIG. 2B, conducting connection from each conductor pattern of the FPC 40 to each terminal of the mating connector 50 via each contact 20 and each contact 20 ′ that is in contact with them. Can be.

FIG. 5 shows an FPC according to another embodiment of the present invention.
This figure shows the basic configuration of the connector for connection.
FIG. 3 is a top view of the FPC connector, and FIG. 4B is a side view in the X direction of FIG.
Is a bottom view, and FIG. 4D is a side view in the Y direction of FIG. FIG. 6 is a cross-sectional side view taken along the line AA ′ in FIG.
This is for explaining the state of connection of the FPC 40 in the closing operation state of 0 '.

Using this FPC connector, an FPC
Also, when the FPC 40 is connected, the FPC 40 is inserted into the insertion slot 1 such that the front surface thereof is in contact with the operation contact bent portion 21 and the ground surface 41 on the back surface thereof is in contact with one side surface of the operation cover portion 30 ′.
1 and insert the operation cover 30 'into the insulator 1
After the FPC 40 is bent so that the front and back surfaces of the FPC 40 are parallel to the upper surface of the connector after the operation cover unit 30 ′ is closed by fitting into the operation cover unit 30 ′, as shown in FIG. Connection is completed.

Thus, each conductive pattern of the FPC 40 is connected to each contact 20 with low operating force.
The ground surface 41 of the PC 40 has the conductive operation cover 30
Because it is grounded on one side, electromagnetic interference can be sufficiently prevented.

The fitting claw 34 as a fitting member provided on the FPC connection connector of this embodiment may be provided on the FPC connection connector of the previous embodiment. The ground surface 41 is conductively connected via the mating connector 50 to the ground of the board on which the mating connector 50 is mounted.

[0028]

As described above, according to the present invention, the insulator and the conductive operating cover allow the F to be used.
An operation contact bend that secures an insertion port for PC connection and bends so that one end side near the insertion port of each contact can press and contact the FPC inserted in a state where the operation cover is closed. Since the FPC insertion direction is such that the ground surface of the FPC is in contact with the operation cover, the FPC can be specified with a low operation force after taking sufficient measures against electromagnetic interference without requiring an extra number of contacts. An FPC connection connector that can easily contact a number of contacts and has a low profile is realized. As a result, there is no need to perform any connection work by soldering each contact of a specific connector to each conductor pattern and the ground plane of the FPC, and no wiring work as a measure against electromagnetic interference as in the conventional case.
The workability required for connection is extremely excellent.

[Brief description of the drawings]

1A and 1B show a basic configuration of an FPC connection connector according to one embodiment of the present invention, wherein FIG. 1A is a top view of the FPC connection connector, and FIG. 1B is a side view in the X direction of FIG. (C) is a bottom view of the FPC connector, and (d) is a side view in the Y direction of (a).

FIGS. 2A and 2B are side cross-sectional views in the AA ′ direction of FIG. 1B, wherein FIG. 2A illustrates a state of insertion of an FPC in an open operation state of an operation cover unit, and FIG. 4 illustrates the state of connection of the FPC when the operation cover unit is in the closing operation state.

3A and 3B are views for explaining a fitting connection and a detailed configuration of the FPC connection connector and the mating connector shown in FIG. 1, wherein FIG. 3A is a partial top view of the mating connector;
(B) is a partial side view in a state where the FPC connection connector and the mating connector are fitted and connected, (c) is a partial bottom view in this state (excluding terminal portions), and (d) is an FP
FIG. 4 is a partial perspective view of an operation cover portion provided in the C connection connector, and FIG. 4E is a transparent side view (including a partial cross section) in the AA ′ direction of FIG.

FIGS. 4A and 4B are cross-sectional views taken along the line BB 'in FIG. 3B, and FIG. 4A is a view for explaining how the FPC is inserted when the operation cover unit is opened. () Describes how the FPC is connected when the operation cover is closed.

5A and 5B show a basic configuration of an FPC connector according to another embodiment of the present invention, wherein FIG. 5A is a top view of the FPC connector and FIG. 5B is a side view in the X direction of FIG. (C) is a bottom view, and (d) is a side view in the Y direction of (a).

FIG. 6 is a side cross-sectional view taken along the line AA ′ of FIG. 5 (b).
This is to explain the state of connection of the PC.

FIG. 7 is a perspective view of an end portion of the FPC and a connector for connecting between parallel substrates shown for explaining a conventional technique when connecting the FPC to the connector for connecting between parallel substrates.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10, 10 'Insulator 11 Insertion opening 12 Opening 13 Locking convex part 14 Operation contact protrusion 20, 20' Contact 21 Operation contact bending part 30, 30 'Operation cover part 31 Insertion contact wall part 32 Axis Part 33 notch part 34 fitting claw part 40, 60 FPC 41, 61 ground plane 50, 70 connector 62 positioning hole 72 positioning protrusion

Claims (4)

(57) [Claims] A flat flexible cable having a plurality of conductive patterns disposed on a surface thereof is connectable, and a plurality of parallel contacts connected to the plurality of conductive patterns are formed in an insulator. F to have
In the connector for PC connection, an insertion port for the flat flexible cable extends along one side of the insulator and is rotatably supported on the insulator, and one end side of the plurality of contacts. And an operation cover portion having elasticity provided so as to be held in a state where the operation cover portion is exposed. One end of the plurality of contacts in the vicinity of the insertion port has an open operation state and a closed state of the operation cover portion. An operation contact bending portion bent so as to be able to press and contact the flat flexible cable in a state inserted in an operation state, and a wall surface facing the operation contact bending portion of the insulator, The operation cover portion protrudes from one side of the operation cover portion housed in the insertion opening when the operation cover portion is in the open operation state and the operation cover portion is in the close operation state. An operation contact protrusion is provided, and the flat flexible cable is inserted from the insertion opening in a direction in which a front surface is in contact with the operation contact bent portion and a back surface is in contact with one side surface of the operation cover portion. A connector for connecting an FPC. 2. The FPC connector according to claim 1, wherein a locking projection protruding for locking the operation cover is provided on a wall surface of the insulator opposite to the operation contact projection. A connector for FPC connection, wherein a locking concave portion is provided on the other side opposite to one side of the operation cover portion, the locking concave portion being fitted with the locking convex portion. 3. The FPC connection connector according to claim 1, wherein the flat flexible cable has a back surface serving as a ground surface, and the operation cover portion is made of a conductive material. Connector for FPC connection. 4. The FP according to claim 1, wherein:
In the connector for C connection, a fitting member is provided at both ends of the insulator in one side direction so as to be able to fit with a connector having another plurality of contacts in the insulator in the insulator. FPC connector.