JP6395451B2 - Flexible wiring cable insertion / extraction structure and electronic apparatus equipped with the same - Google Patents

Description

  The present invention relates to a flexible wiring cable insertion / extraction structure for inserting / removing a flexible wiring cable such as a flexible flat cable (hereinafter referred to as FFC), a flexible printed circuit (hereinafter referred to as FPC), and an electronic apparatus including the same. About.

  Flexible wiring cables such as FFC and FPC are configured by supporting a plurality of wiring conductors with a flexible base film. For this reason, the flexible wiring cable is thin and can be bent freely, and the connectors can be connected through a narrow space in the device casing. For this reason, it is used for various electronic devices such as audio devices and navigation devices.

  Patent Document 1 discloses a flexible wiring cable in which a lock member is attached to an end portion. The lock member is composed of a plate-like member having a width equivalent to that of the flexible wiring cable, and is inserted into the connector opening together with the end of the flexible wiring cable. Accordingly, the lock member connects and fixes the end of the flexible wiring cable to the connector in a state where the exposed conductor of the end of the flexible wiring cable is pressed against the connection terminal in the connector.

JP 2000-150031 A

Some connectors have a lock mechanism in which a conductor portion of a flexible wiring cable is pressed against a connection terminal in the connector and fixed (locked) by a lock piece.
When inserting the end portion of the flexible wiring cable into the opening portion of the connector, the operator holds the end portion and inserts it into the opening portion of the connector. At this time, the lock piece is moved by the end portion of the flexible wiring cable, and the conductor portion is pressed and locked to the connection terminal in the connector by the lock piece.
In order to release the lock, it is necessary to apply an external force to the lock piece and move it in the release direction.

  Thus, when the flexible wiring cable is inserted into and removed from the connector, a space for gripping the end of the flexible wiring cable is required, and an external force for moving the lock piece in the releasing direction needs to be applied. For this reason, once the internal parts of the electronic device are assembled, there is no space for gripping the end of the flexible wiring cable, and it is not possible to apply an external force to move the lock piece in the release direction. There was a problem of becoming.

  Also in the invention of Patent Document 1, the end of the flexible wiring cable is gripped and fitted into the connector together with the lock member. Therefore, similarly to the above, once the internal parts of the electronic device are assembled, it becomes difficult to insert and remove the flexible wiring cable.

  The present invention has been made in order to solve the above-described problems, and a flexible wiring cable insertion / extraction structure capable of easily inserting / extracting the flexible wiring cable into / from the connector even after the internal parts of the electronic device are assembled. It aims at obtaining the electronic device provided with.

The flexible wiring cable insertion / removal structure according to the present invention is a flexible wiring cable insertion / removal structure that is inserted into / removed from a connector on a substrate housed in a housing. provided, the locking piece is turned by the insertion force when the end of the flexible wire cable is to be inserted into the connector, and a locking mechanism for the locking piece is locked by pressing the end of the flexible wire cable The lock mechanism is unlocked by the force in the unlocking direction applied by the unlocking member inserted through the hole in the side wall of the housing, and the reinforcing plate is inserted into the connector at the end of the flexible wiring cable In such a state, a part of the housing has a length that is higher than the side wall of the housing.

  According to the present invention, there is an effect that the flexible wiring cable can be easily inserted into and removed from the connector even after the internal parts of the electronic device are assembled.

It is a perspective view which shows the disc apparatus provided with the insertion / extraction structure of the flexible wiring cable which concerns on Embodiment 1 of this invention. FIG. 2 is an exploded perspective view of the disk device of FIG. 1. It is a figure which shows the flexible wiring cable which concerns on Embodiment 1, a reinforcement board, and a connector. It is a figure which shows the outline | summary of the insertion / extraction structure of the flexible wiring cable which concerns on Embodiment 1. FIG.

Embodiment 1 FIG.
FIG. 1 is a perspective view showing a disk device 1 having a flexible wiring cable insertion / extraction structure according to Embodiment 1 of the present invention. FIG. 2 is an exploded perspective view of the disk device 1 of FIG. The casing of the electronic device according to the present invention is configured by combining a plurality of casing members. For example, as shown in FIG. 1, in the disk device 1, a housing is configured by combining a top cover 2, a bottom chassis 3, a front chassis 4, and a rear chassis 5. A hole 3 a that is a through hole is formed in the side wall of the bottom chassis 3.

  As shown in FIG. 2, for example, the disk device 1 includes substrates 6 and 13, brackets 10 and 12, and a mechanical drive 11 as an internal configuration. The board | substrate 6 is a board | substrate arrange | positioned at the bottom face side of the bottom chassis 3, for example, is fixed to the boss | hub 3b by screwing etc. A connector 7A is mounted on the substrate 6. The connector 7 </ b> A is a connector to which the end of the flexible wiring cable 8 is attached, and is mounted on the outer edge of the substrate 6 facing the side wall of the bottom chassis 3. The flexible wiring cable 8 with the reinforcing plate 9 attached to the end is attached to the connector 7A. In the state where the substrate 6 is assembled to the bottom chassis 3, the lock piece 7 </ b> A- 1 of the connector 7 </ b> A is at a position facing the hole 3 a formed on the side wall of the bottom chassis 3.

  The connector 7A includes a lock mechanism that locks the state where the end of the flexible wiring cable 8 is inserted. Here, the lock piece 7A-1 locks the flexible wiring cable 8. The lock piece 7A-1 is rotatably attached to the opening of the connector 7A, and is rotated by an insertion force when the end of the flexible wiring cable 8 is inserted. Thereby, the lock piece 7A-1 locks (fixes) the state in which the conductor portion exposed at the end portion of the flexible wiring cable 8 is pressed against the connection terminal in the connector 7A.

The mechanical drive 11 is an internal part that reproduces media data recorded on a recording medium such as a CD or a DVD, and is assembled above the substrate 6 via the bracket 10. The bracket 10 is attached to the front chassis 4 and the rear chassis 5, for example.
The substrate 13 is a substrate disposed on the top cover 2 side, and is fixed to the boss 12a of the bracket 12 by screwing or the like. The bracket 12 is attached to the front chassis 4 and the rear chassis 5, for example. A connector 14 is mounted on the substrate 13.
The connector 14 is a connector to which the other end of the flexible wiring cable 8 is attached. For example, the connector 14 is mounted on the outer edge of the substrate 13 facing the side wall of the bottom chassis 3.

  The substrate 6 is assembled to the bottom chassis 3 with the flexible wiring cable 8 attached to the connector 7A, and the bracket 10, the mechanical drive 11, the bracket 12, and the substrate 13 are sequentially assembled thereon. By attaching the top cover 2 after the assembly of these internal parts is completed, the disk device 1 shown in FIG. 1 is assembled.

  FIG. 3 is a diagram showing the flexible wiring cable 8, the reinforcing plate 9, and the connector 7A according to the first embodiment. As shown in FIG. 3A, the flexible wiring cable 8 has a reinforcing plate 9 attached to the end thereof, and is inserted into the opening of the connector 7 </ b> A together with the reinforcing plate 9. The other end of the flexible wiring cable 8 is attached to the connector 14.

  The flexible wiring cable 8 is a cable configured by supporting a plurality of wiring conductors with a flexible base film, such as an FFC in which the wiring conductors are arranged in the width direction or an FPC on which a circuit made of the wiring conductors is printed. It is done. A conductor portion is exposed at the end portion of the flexible wiring cable 8, and a reinforcing plate 9 is attached and attached to an adhesive portion adjacent thereto.

The reinforcing plate 9 is a plate-like member made of an insulating material such as a resin having rigidity, and having a width substantially the same as that of the flexible wiring cable 8 as shown in FIG. Further, the reinforcing plate 9 has a bent portion 9 a formed by bending an end portion on the side opposite to the end portion attached to the flexible wiring cable 8.
One feature of the present invention is that the length of the reinforcing plate 9 is extended. That is, the reinforcing plate 9 according to the present invention has such a length that the bent portion 9 a is positioned higher than the side wall of the bottom chassis 3 when the internal components are assembled to the bottom chassis 3. In addition, the length of the reinforcement board 9 should just be the length used as the height which an operator can hold | grip the bending part 9a, when the board | substrate 6 is assembled | attached.

  The connector 7A is a connector that includes a lock mechanism that locks the state where the end of the flexible wiring cable 8 is inserted, and includes a lock piece 7A-1 and a connector main body 7A-2. As described above, the lock piece 7A-1 is rotatably supported by the opening edge of the connector main body 7A-2. When the end portion of the flexible wiring cable 8 together with the reinforcing plate 9 is inserted into the opening, the lock piece 7A-1 is rotated by the force in the insertion direction a as shown in FIG. Thereby, the contact portion 7A-3 of the lock piece 7A-1 presses the end portion of the flexible wiring cable 8 via the reinforcing plate 9, and the conductor portion exposed at the end portion is pressed against the connection terminal in the connector 7A. It becomes a state and is locked (fixed).

  To release the lock by the lock piece 7A-1, a force is applied to the lock piece 7A-1 as shown in FIG. Thereby, the press by contact part 7A-3 is cancelled | released and the edge part of the flexible wiring cable 8 with the reinforcement board 9 can be easily removed from the opening part of connector 7A.

FIG. 4 is a diagram showing an outline of the insertion / extraction structure of the flexible wiring cable 8 according to the first embodiment, and describes the inside of the bottom chassis 3 in which the rear chassis 5 is removed and the internal components are assembled. . The brackets 10 and 12 are not shown.
The configuration shown in FIG. 4A is a configuration when a flexible wiring cable 8 that does not have the reinforcing plate 9 is used. The flexible wiring cable 8 is mounted in a state in which the conductor portion at the end thereof is in pressure contact with the connection terminal in the connector 7A. For this reason, in order to attach the end portion of the flexible wiring cable 8 to the connector 7A, it is necessary for the operator to insert the end portion of the flexible wiring cable 8 so that the end portion is held and pushed into the opening portion of the connector 7A.
However, as shown in FIG. 4A, when the internal components are assembled in the bottom chassis 3, there is a space for the operator to grip the end of the flexible wiring cable 8 and a space for releasing the locking mechanism of the connector 7A. Absent.
For this reason, conventionally, when the flexible wiring cable 8 is replaced after assembling the internal parts on the bottom chassis 3, the internal parts are sequentially removed until a space for holding the end of the flexible wiring cable 8 is secured.

  On the other hand, in the present invention, the lock piece 7A-1 of the connector 7A faces the hole 3a formed on the side wall of the bottom chassis 3 in a state where the substrate 6 is assembled to the bottom chassis 3. Therefore, as shown in FIG. 4B, the unlocking member 15 is inserted through the hole 3a, and as shown in FIG. Apply force in direction a). Thereby, the lock | rock of the flexible wiring cable 8 by the lock piece 7A-1 is cancelled | released. Note that a general-purpose tool such as a flat-blade screwdriver may be used for the unlocking member 15.

After the connector 7A is unlocked, the flexible wiring cable 8 together with the reinforcing plate 9 can be easily detached from the connector 7A if the operator applies a force in a direction away from the connector 7A by grasping the bent portion 9a. .
When the flexible wiring cable 8 is attached to the connector 7A, the end of the flexible wiring cable 8 is applied to the opening of the connector 7A while the internal components are assembled on the bottom chassis 3. Then, by applying a force to the bent portion 9a in the direction of the connector 7A, the flexible wiring cable 8 together with the reinforcing plate 9 can be easily inserted into the connector 7A. At this time, the locking mechanism of the connector 7A works to lock the end of the flexible wiring cable 8 to the connector 7A.
As described above, in the present invention, by using the reinforcing plate 9 having such a length that the bent portion 9a can be gripped by the operator, the flexible wiring cable 8 can be easily inserted into and removed from the connector 7A without sequentially removing the internal components. it can.

  As described above, according to the first embodiment, the reinforcing plate 9 attached to the end of the flexible wiring cable 8 and the connector 7A are provided, and the end of the flexible wiring cable 8 is inserted into the connector 7A. And the lock mechanism is unlocked by the force in the unlocking direction applied by the unlocking member 15 inserted through the hole 3a in the side wall of the bottom chassis 3, and the reinforcing plate 9 is The bent portion 9a has a length that is higher than the side wall of the bottom chassis 3 in a state where the end portion of the flexible wiring cable 8 is inserted into the connector 7A. With this configuration, even after the internal parts of the disk device 1 are assembled, the lock of the connector 7A is released by the lock release member 15 through the hole 3a, so that the operator can It is possible to apply a force in the insertion / extraction direction by gripping the bent portion 9a. Thereby, the flexible wiring cable 8 can be easily inserted into and removed from the connector 7A by applying a force to the bent portion 9a of the reinforcing plate 9.

  In the present invention, any component of the embodiment can be modified or any component of the embodiment can be omitted within the scope of the invention.

  1 disk device, 2 top cover, 3 bottom chassis, 3a, 12a boss, 4 front chassis, 5 rear chassis, 6,13 substrate, 7A, 14 connector, 7A-1 lock piece, 7A-2 connector body, 7A- 3 hitting part, 8 flexible wiring cable, 9 reinforcing plate, 9a bent part, 10, 12 bracket, 11 mechanical drive, 15 unlocking member.

Claims (2)

A flexible wiring cable insertion / extraction structure for inserting / extracting into / from a connector on a board stored in a housing,
A reinforcing plate attached to an end of the flexible wiring cable;
Provided in the connector, said pivoted locking piece by the insertion force when the end of the flexible wire cable is to be inserted into the connector, that the locking piece presses the end portion of the flexible wire cable A locking mechanism for locking,
The locking mechanism is
The lock is released by the force in the unlocking direction applied to the lock piece by the unlocking member inserted from the hole in the side wall of the housing,
The reinforcing plate is
Said flexible wiring state that the end of the cable is inserted into the connector, insertion and removal structure of the flexible cables, wherein a portion having the length to be higher than the position the side wall of the housing.   An electronic device comprising the flexible wiring cable insertion / extraction structure according to claim 1.

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