JP4699228B2 - connector - Google Patents

Description

  The present invention relates to a connector with a flexible strip-shaped electric wire, and more particularly to a connector with a flexible strip-shaped electric wire used for connection between one mounting printed circuit board and another mounting printed circuit board inside an electronic device.

There are fine coaxial cables, each line having a coaxial cable structure. In an electronic device, if one mounting printed circuit board and another mounting printed circuit board are electrically connected using this thin coaxial cable, they are not affected by the noise flying inside the electronic device. I can do it. However, since a thin coaxial cable is expensive, a flexible printed cable (FPC) or a flexible flat cable (FFC) is usually used, and the entire cable portion and connector portion are wrapped with aluminum foil in a connected state. It is configured.
JP 2000-173702 A

  However, the operation of wrapping the entire cable portion and the connector portion with aluminum foil in a connected state is troublesome, and there is a problem that the effect of shielding becomes unstable for each electronic device.

  The present invention has been made in view of the above points, and an object thereof is to provide a connector with a flexible printed cable.

The present invention includes a connector portion having a shield housing having an opening;
A connector portion having a shield housing having an opening at an end;
A flexible strip-shaped electric wire assembly comprising: a flexible strip-shaped electric wire having a contact pattern at an end; and a metal foil brazing portion formed by spreading a metal foil around the flexible strip-shaped electric wire excluding the contact pattern portion And more
The flexible strip-shaped electric wire assembly has an end inserted into the shield housing through the opening of the shield housing, and the shield housing is caulked in the vicinity of the opening. In the connector with a flexible strip-shaped electric wire, the metal foil brazed portion is fixed to the shield housing and the metal foil brazed portion is electrically and mechanically connected to the shield housing.
The connector part has an operation member,
The operation member is displaceable in a first direction for connecting the connector portion to a mating connector and in a second direction in which the connector portion is disengaged from the mating connector, and a distal end side is located in the shield housing. , the operation portion is to get out of the shield housing, the free end portion, in a state in which the connector portion is fitted to the mating connector, is displaced in the first direction, said mating connector The contact member of the contact member is configured to have an action portion that makes contact with the contact pattern, and a protrusion portion that is locked to a lock claw portion of the mating connector.

  According to the present invention, since the flexible strip-shaped electric wire assembly having the metal foil brazing portion has a configuration in which the metal foil brazing portion is electrically and mechanically connected to the shield housing, it is inexpensive, and the EMI (Electro-Magnetic Interference) The countermeasure can be taken well.

  Next, an embodiment of the present invention will be described.

  FIG. 1 shows a connector device 10 according to a first embodiment of the present invention.

  As shown in FIG. 1, the connector device 10 includes a connector 20 with a flexible printed cable and a board mounting connector 100. X1-X2, Y1-Y2, and Z1-Z2 are a width direction, a longitudinal direction, and a height direction of the connector 20 with a flexible printed cable, respectively. Y1 is a direction in which the connector 20 with the flexible printed cable is inserted into the board mounting connector 100 when connecting. FIG. 2 shows the connector portion 21 and the board mounting connector 100 in an enlarged manner.

The connector with flexible printed cable 20 includes a connector portion 21 and a flexible printed cable assembly 60. The connector part 21 is provided at both ends of the flexible printed cable assembly 60.
[Connector part 21]
As shown in FIGS. 3A and 3B, the connector 21 has a shield housing 22 made of a metal plate and an operation member 50 made of synthetic resin that is electrically insulating.

  The shield housing 22 has a substantially square frame shape composed of an upper plate 23, a lower plate 24, and left and right side plates 25, 26. The shield housing 22 has an insertion connection port 30 on the Y1 side and a flexible printed cable assembly clamp on the Y2 side. Part 40.

  The cable clamp portion 40 has a rectangular frame size corresponding to the flexible printed cable assembly 60, and has an opening 41 into which the flexible printed cable assembly 60 is inserted at the end in the Y2 direction. And a convex portion 43 protruding from the lower plate 24 in the Z1 direction.

  The insertion connection port portion 30 has a size that is wider in the Z1 direction than the cable clamp portion 40, has a convex portion 31 protruding in the Z2 direction on the upper plate 23, and Y1-Y2 on the left and right side plates 25, 26. It has guide slits 32X1 and 32X2 that are long in the direction.

  The upper plate 23 has an inclined plate portion 23a that is displaced in the Z2 direction as it is displaced in the Y2 direction between the insertion connection port portion 30 and the cable clamp portion 40. A slit 23b is formed in the oblique plate portion 23a.

As shown in FIGS. 3A and 3B, the operation member 50 is plate-shaped, has an action portion 51 at the Y1 end, and has an operation portion 52 protruding in the Z1 direction at the Y2 end. and has a projection 53X2 the protrusion 53X1, X 2 side to the X1 side near the Y1 end. The operation member 50 passes through the slit 23b , the Y1 side is inserted into the insertion connection port portion 30, the projections 53X1 and 53X2 are fitted into the guide slits 32X1 and 32X2, respectively, and the action portion 51 is It is located on the Y2 side from the convex portion 31. The Y2 side of the operation member 50 exists above the cable clamp unit 40, and the operation unit 52 can be operated with a fingertip.

The operation member 50 is supported by the slit 23b, and the protrusions 53X1 and 53X2 are supported by the guide slits 32X1 and 32X2, respectively, and are movable in the Y1 direction.
[Flexible printed cable assembly 60]
As shown in FIGS. 1 and 4, the flexible printed cable assembly 60 includes a flexible printed cable 61, reinforcing plates 69 on both ends of the flexible printed cable 61, and an aluminum foil brazing portion 70.

  In the flexible printed cable 61, a plurality of wiring patterns 63 are formed in parallel on the upper surface of the base 62, the wiring patterns 63 are covered with an insulating film 64, and contact patterns 65 are formed on the upper surfaces on both ends. This is the configuration. The reinforcing plate 69 is affixed to the lower surfaces of the both ends of the flexible printed cable 61 and reinforces the contact pattern 65 portion.

  In the aluminum foil brazing portion 70, the aluminum foil 71 is rubbed a plurality of times on a portion excluding the contact pattern 65 and the reinforcing plate 69 of the flexible printed cable 61, that is, on the substantially full length portion of the flexible printed cable 61. It is a part that is formed. The aluminum foil 71 covers the left and right side surfaces in addition to the upper and lower surfaces of the flexible printed cable 61.

In addition, even if the aluminum foil brazing part 70 is formed, the flexible printed cable assembly 60 has flexibility.
[Connector 20 with flexible printed cable]
One end of the flexible printed cable assembly 60 is inserted into the shield housing 22 through the opening 41 of the shield housing 22, the contact pattern 65 and the reinforcing plate 69 face the opening of the insertion connection port 30, and the aluminum foil is brazed. The state where the end side of the portion 70 has entered the inside of the opening 41 and the vicinity of the opening 41 of the shield housing 22 is crimped. The convex portions 42 and 43 are formed by caulking, the flexible printed cable assembly 60 and the shield housing 22 are fixed, and the connector 20 with the flexible printed cable is manufactured. This work is not troublesome.

As shown in FIG. 3A, the flexible printed cable assembly 60 is fixed by sandwiching the portion of the aluminum foil brazing portion 70 between the convex portions 42 and 43. The aluminum foil brazing part 70 and the shield housing 22 are electrically connected. The reinforcing plate 69 is fixed on the lower plate 24 and faces the opening of the insertion connection port 30. The contact pattern 65 faces the opening of the insertion connection port 30.
[Board mounting connector 100]
As shown in FIGS. 1, 2 and 5A and 5B, a board mounting connector 100 includes a contact assembly 101 and a shield housing 120 made of a metal plate covering the contact assembly 101 (board side). Shield housing) .

  The contact assembly 101 has a configuration in which a plurality of contact members 110 are incorporated in a block body 102 made of an electrically insulating synthetic resin side by side in the X1-X2 direction. The block body 102 has a plate-like projecting portion 103 projecting in the Y2 direction, and a projecting portion 104 is formed on the surface of the projecting portion 103 on the Z1 side at the distal end side. The projecting portion 103 extends over substantially the entire width of the block body 102 in the X1-X2 direction, and the protrusion 104 extends over the entire width of the projecting portion 103.

  The contact member 110 includes a contact portion 111 protruding from the block body 102 in the Y2 direction, and a contact portion 112 protruding from the block body 102 in the Y1 direction. The contact portion 111 is located on the Z2 side (lower side) of the overhang portion 103 and has a U-shaped contact portion 111a. The contact portion 112 is a portion to be soldered and has a crank shape.

The shield housing 120 has a substantially rectangular frame shape including an upper plate 121, a lower plate 122, and left and right side plates 123 and 124, and has a connection port portion 125 on the Y2 side. The side plates 123 and 124 are formed with lock arm portions 125 and 126 and mounting lug portions 127 and 128, respectively. The lock arm portions 125 and 126 extend in the Y1 direction, can be elastically deformed in the X1-X2 direction, and have lock claw portions 125a and 126a at their tips. Protrusions 129 and 130 protruding inside the shield housing 120 are formed in the vicinity of the connection opening 125 of the upper plate 121 and the lower plate 122.
[Use state of connector device 10]
6A and 7A show a state before connection.

  In the board mounting connector 100, the mounting lugs 127 and 128 are soldered to a ground land (not shown) of a printed board (not shown), and the contact part 112 is soldered to the land (not shown). And mounted on a printed circuit board (not shown). The potential of the shield housing 120 is at the frame ground level.

  The connector portion 21 of the connector 20 with the flexible printed cable is in a state where the operation member 50 has moved in the Y2 direction.

  6B and 7B show a state during connection. 6C and 7C show a state where the connection is completed.

  The connection operation of the connector portion 21 of the connector 20 with flexible printed cable to the board mounting connector 100 is performed in two stages.

  Operation in the first stage: The connector part 21 is inserted into the connection port part 125 of the board mounting connector 100 to the final position.

  FIG. 6B and FIG. 7B show the state at this time. The insertion connection port 30 of the shield housing 22 is fitted in the connection port 125 of the shield housing 120. The contact pattern 65 faces the contact part 111 a of the contact part 111. The insertion connection port 30 of the shield housing 22 is in contact with the protrusions 129 and 130.

  Second stage operation: A fingertip is applied to the operation unit 52 and pressed in the Y1 direction to move the operation member 50 in the Y1 direction.

  FIGS. 6C and 7C show a state when the operation member 50 is moved in the Y1 direction.

  As shown in FIG. 6C, the action part 51 of the operation member 50 enters between the convex part 31 and the protruding part 104, and bends the protruding part 103 in the Z2 direction. The overhanging portion 103 is bent and the contact portion 111 is pushed and bent in the Z2 direction, and the contact portion 111a is brought into contact with and pressed against the contact pattern 65 with a predetermined contact force. As a result, the connector portion 21 is electrically connected to the board mounting connector 100. In addition, said convex part 31 latches the upper surface of the operation member 50, and prevents that the operation member 50 bends in the arch shape which becomes convex in Z1 direction.

  Further, as shown in FIG. 7C, the protrusions 53X1 and 53X2 of the operation member 50 push away the lock claws 125a and 126a and pass through the portions of the lock claws 125a and 126a, respectively. 126a locks the protrusions 53X1 and 53X2. As a result, the connector portion 21 is mechanically connected to the board mounting connector 100 in a state where it does not come off when pulled.

  As a result, the connector portion 21 of the connector 20 with flexible printed cable is electrically and mechanically connected to the board mounting connector 100.

  The shield housing 22 is electrically connected to a ground land (not shown) of a printed circuit board (not shown) via the shield housing 120, and is at a frame ground level. Therefore, the contact part 111 and the contact pattern 65 are in an electrically shielded state, and good EMI countermeasures are taken.

  The aluminum foil brazing part 70 is electrically connected to a ground land (not shown) of a printed circuit board (not shown) via the flexible printed cable assembly clamp part 40 of the shield housing 22 and the shield housing 120. Yes, at frame ground level. Therefore, the flexible printed cable 61 is in an electrically shielded state and good EMI countermeasures are taken.

  Therefore, by using the connector device 10 described above, the electrical connection between one mounting printed circuit board inside the electronic device and another mounting printed circuit board is not affected by the noise flying around inside the electronic device. Made in the state.

After the connector portion 21 is connected to the board mounting connector 100, the troublesome work of covering the whole with the aluminum foil is unnecessary.
[Release of connection of connector 21 to board mounting connector 100]
When the connector part 21 of the connector 20 with flexible printed cable is removed from the board mounting connector 100, in the state shown in FIGS. 6C and 7C, the operation part 52 is grasped with the fingertip and pulled strongly in the Y2 direction. .

  By this operation, the following three operations are performed in order.

  1st operation | movement: As shown to FIG. 6 (B), the action part 51 of the operation member 50 slips out from between the convex part 31 and the protrusion part 104, and the overhang | projection part 103 and the contact part 111 return elastically to Z1 direction. Then, the contact portion 111a is separated from the contact pattern 65, and the electrical connection of the connector portion 21 to the board mounting connector 100 is released.

  Second operation: As shown in FIG. 7B, the protrusions 53X1 and 53X2 push the lock claws 125a and 126a in the X1 and X2 directions, respectively, and the lock is released.

  Third operation: As shown in FIG. 7B, the protrusions 53X1 and 53X2 hit the ends on the Y2 side of the guide slits 32X1 and 32X2, respectively. As a result, the force that pulls the operating portion 52 in the Y2 direction is transmitted to the shield housing 22, the shield housing 22 is pulled out from the shield housing 120 in the Y2 direction, and the connector portion 21 is removed from the board mounting connector 100.

That is, the electrical connection of the connector part 21 to the board mounting connector 100 is released and the connector part 21 is removed from the board mounting connector 100 by one operation of grasping the operation part 52 and pulling it in the Y2 direction. The Therefore, the operation of releasing the connection of the connector portion 21 to the board mounting connector 100 is performed with good operability.
[Modification]
Instead of the flexible printed cable assembly 60, a flexible flat cable assembly in which an aluminum foil is applied to a flexible flat cable having a configuration in which a plurality of covered electric wires are arranged in parallel may be used.

  Instead of aluminum foil, another metal foil may be used.

  In addition, the flexible strip | belt-shaped electric wire as described in a claim is a term including a flexible printed cable and a flexible flat cable.

It is a figure which shows the connector apparatus which becomes Example 1 of this invention. It is a figure which expands and shows the connector apparatus of FIG. It is a figure which shows a connector with a flexible printed cable. It is sectional drawing of a flexible printed cable assembly. It is a figure which shows the connector for board | substrate mounting. It is a vertical side view which shows the operation | movement in which the connector part of a connector with a flexible printed cable is connected to the connector for board | substrate mounting in order. It is a cross-sectional top view which shows the operation | movement in which the connector part of a connector with a flexible printed cable is connected to the connector for board | substrate mounting in order.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Connector apparatus 20 Connector with flexible printed cable 21 Connector part 22 Shield housing 30 Insertion connection port part 31 Convex part 32X1, 32X2 Guide slit 40 Flexible printed cable assembly clamp part 41 Opening 42, 43 Convex part 50 Operation member 51 Action part 52 Operation part 53X1, 53X2 Protrusion part 60 Flexible printed cable assembly 61 Flexible printed cable 65 Contact pattern 69 Reinforcement plate 70 Aluminum foil soldering part 71 Aluminum foil 100 Connector for board mounting 101 Contact assembly 102 Block body 103 Overhang part 104 Projection 110 Contact member 120 Shield housing 125a, 126a Lock claw

Claims (5)

A connector portion having a shield housing having an opening at an end;
A flexible strip-shaped electric wire assembly comprising: a flexible strip-shaped electric wire having a contact pattern at an end; and a metal foil brazing portion formed by spreading a metal foil around the flexible strip-shaped electric wire excluding the contact pattern portion And more
The flexible strip-shaped electric wire assembly has an end inserted into the shield housing through the opening of the shield housing, and the shield housing is caulked in the vicinity of the opening. In the connector with a flexible strip-shaped electric wire, the metal foil brazed portion is fixed to the shield housing and the metal foil brazed portion is electrically and mechanically connected to the shield housing.
The connector part has an operation member,
The operation member is displaceable in a first direction for connecting the connector portion to a mating connector and in a second direction in which the connector portion is disengaged from the mating connector, and a distal end side is located in the shield housing. , the operation portion is to get out of the shield housing, the free end portion, in a state in which the connector portion is fitted to the mating connector, is displaced in the first direction, said mating connector A connector with a flexible strip-shaped electric wire, characterized in that it has an action part for bringing a contact part of a contact member into contact with the contact pattern, and a protrusion part latched by a lock claw part of the mating connector. In the connector with a flexible strip-shaped electric wire according to claim 1 ,
The shield housing of the connector portion is configured to have a guide slit that receives the protruding portion of the operation member and determines a terminal end of displacement of the operation member in the second direction. connector. A shield housing having an opening at an end, and a connector portion having an operation member;
A flexible strip-shaped electric wire assembly comprising: a flexible strip-shaped electric wire having a contact pattern at an end; and a metal foil brazing portion formed by spreading a metal foil around the flexible strip-shaped electric wire excluding the contact pattern portion And more
The flexible strip-shaped electric wire assembly has an end inserted into the shield housing through the opening of the shield housing, and the shield housing is caulked in the vicinity of the opening. The connector portion of the connector with a flexible strip-shaped electric wire is configured such that the metal foil brazing portion is fixed to the shield housing and the metal foil brazing portion is electrically and mechanically connected to the shield housing. A board mounting connector,
A contact assembly in which a contact member is incorporated in a block body made of an electrically insulating synthetic resin;
A board-side shield housing made of a metal plate covering the contact assembly,
The block body covers the contact portion of the contact member, and has a protruding portion that is bent by the operated operation member and presses the contact portion against the contact pattern ,
The board for mounting a board according to claim 1, wherein the shield housing has a convex portion for locking the upper surface of the operated operation member on the upper plate. In the board mounting connector according to claim 3 ,
The board-side connector has a structure in which the board-side shield housing has a lock claw portion on the side plate for locking and locking the operated operation member. A connector with a flexible strip-shaped electric wire according to any one of claims 1 and 2 ,
A connector device comprising the board mounting connector according to any one of claims 3 to 4 .

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