JPH07111049A - Device for connecting flexible printed wiring - Google Patents

Abstract

PURPOSE:To provide a flexible printed wiring connection device capable of thinning the whole device and preventing the omission of a male connector. CONSTITUTION:An insertion hole 28 is provided on an attaching position of a female connector 27 of a printed substrate 26, and a plug in mouth is faced on the insertion hole 28, and the female connector 27 is fixed to the surface side of the printed substrate 26. Then, the male connector 25 is penetrated through the insertion hole 28 from the rear side of the printed substrate 26, and is fitted to the female connector 27, and a bottom plate 11 is faced on the rear side of the male connector 25.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting device for connecting two parts with a flexible printed wiring, and particularly to a flexible device suitable for use in electronic equipment such as optical disk recording and / or reproducing devices. The present invention relates to a printed wiring connection device.

[0002]

2. Description of the Related Art Conventionally, this type of flexible
As the printed wiring connection device, for example, one used in an optical disk reproducing device, as shown in FIG. In FIG. 3, reference numeral 1 denotes a movable part of the optical pickup device. Two guide bars (not shown) are pierced through the movable portion 1 in parallel with each other, and the movable portion 1 is movably supported by the box via the guide bars. Two
Is a voice coil for slide feeding that moves the movable portion 1 along the guide bar.

One end of a flexible printed wiring 3 which is bent 180 degrees in the middle is attached to the movable portion 1, and the other end is attached to a plate-shaped guide member 4. A male connector 5 which is developed downward is integrally formed at the tip of the flexible printed wiring 3 on the guide member 4 side. The male connector 5 is fitted from the front side to a female connector 7 attached to the front side of the printed circuit board 6, whereby the movable part 1 and the printed circuit board 6 are electrically connected. A bottom plate 8 forming a part of the box is arranged on the front side of the printed board 6 so as to sandwich the flexible printed wiring 3 between the printed board 6 and the printed board 6.

[0004]

However, in the conventional flexible printed wiring connecting device as described above, the male connector 5 provided at the tip of the flexible printed wiring 3 is connected to the female connector from the front side of the printed circuit board 6. 7 and the male connector 5 and the female connector 7 are sandwiched between the printed board 6 and the bottom plate 8. Therefore, it is necessary to widen the space between the printed circuit board 6 and the bottom plate 8, which has been a problem in that it is an obstacle to reducing the thickness of the entire optical disk reproducing apparatus.

Further, the connecting force between the male connector 5 and the female connector 7 depends only on the spring force of the terminals and the like built in the female connector 7, and prevents the male connector 5 from coming off. There is also a problem that the male connector 5 is easily pulled out from the female connector 7 because no special measures have been taken.

The present invention has been made in view of the above problems, and provides a flexible printed wiring connection device capable of reducing the thickness of an electronic apparatus as a whole and preventing the male connector from coming off. Is intended.

[0007]

The flexible structure of the present invention
For example, as shown in FIGS. 1 and 2, the printed wiring connection device includes a male connector 25 attached to the other end of a flexible printed wiring 24, one end of which is fixed to the first member 20, A flexible printed wiring connection device which is fitted to a female connector 27 attached to the member 26 and connects the first member 20 and the second member 26 housed in the housing 11 via the flexible printed wiring 24. In, the opening 28 is provided at the mounting position of the female connector 27 of the second member 26, and the female connector 27 is fixed to the front side of the second member 26 with the insertion opening facing the opening 28. The male connector 25 is fitted into the female connector 27 by penetrating the opening 28 from the back side of the second member 26, and at the same time, the back side of the male connector 25 is partially exposed. Special It is set to.

Further, as the first member of the flexible printed wiring connection device of the present invention, for example, as shown in FIGS. 1 and 2, the movable optical pickup device movably held in the casing 11 is used. The part 20 can be applied, and the printed board 26 fixed in the box 11 can be applied as the second member.

[0009]

The flexible printed wiring connection device of the present invention, which is configured as described above, is flexible.
The male connector 25 provided at the tip of the printed wiring 24
The flexible printed wiring 2 is fitted to the female connector 27 from the back side of the second member 26 through the opening 28.
By connecting the first member 20 and the second member 26 via 4 the gap between the casing 11 and the second member 26 can be made as small as possible and the casing 11 The male connector 25 can be prevented from moving by the box body, and the bent portion of the flexible printed wiring 24 can be smoothly moved by the box body 11.

By using the movable member 20 of the optical pickup device as the first member and the printed circuit board 26 as the second member, electronic equipment such as an optical disk reproducing device can be miniaturized. , Male connector 2
It is possible to reliably prevent disconnection between the female connector 5 and the female connector 27.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the flexible printed wiring connection device of the present invention will be described below with reference to FIGS. This embodiment is applied to an optical disc reproducing apparatus showing a specific example of an electronic device, FIG. 1 is a perspective view of the back side of the optical disc reproducing apparatus, and FIG. 2 is an explanatory diagram for explaining its action. is there.

Reference numeral 10 shown in FIG. 1 is a main body of the optical disk reproducing apparatus. In FIG. 1, the optical disc is mounted on the lower side of the main body 10 (the upper side in FIG. 2). Then, in FIG. 1, the bottom plate 11 shown in FIG. 2 is disposed above the main body 10. The main body 10, the bottom plate 11, and a lid (not shown) form a casing of the optical disc reproducing apparatus. 10a
Is a projection for positioning the bottom plate 11 with respect to the main body 10.

Reference numeral 12 shown in FIG. 1 is a spindle motor for rotating the optical disk. A turntable is attached to the rotary shaft of the spindle motor 12, and the optical disk mounted on the turntable is rotationally driven by rotationally driving the turntable by the spindle motor 12. Two guide shafts 13 and 14 are arranged on both sides of the spindle motor 12 so as to be parallel to each other. Reference numeral 15 is a pressing member for pressing the respective end portions of the two guide shafts 13 and 14 and fixing them to the main body 10. Each pressing member 15 is fixed to the main body 10 by a fixing screw 16.

One end of each of the two guide shafts 13 and 14 is arranged on both sides of the spindle motor 12. On the other end side where these guide shafts 13 and 14 extend, a fixing portion 17 of the optical pickup device is arranged so as to face the spindle motor 12, and a fixing screw 18 is provided.
It is fixed to the main body 10 by. This fixed part 17
Is a light emitting unit that emits a laser beam and a light receiving unit that receives the laser beam reflected by the optical disc 30 (see FIG. 2). For this reason, for example, a light emitting element, a light receiving element, a flat plate reflection mirror, a polarization beam splitter, etc. are built in the fixed portion 17.

A movable part 20 of the optical pickup device is attached to the two guide shafts 13 and 14 as a carriage slidably in the axial direction. The movable portion 20 reflects the laser light emitted from the fixed portion 17 and guides it to the recording surface of the optical disc 30, and guides the laser light reflected from the recording surface to the fixed portion 17. For this reason, the movable portion 20 includes, for example, a 45-degree reflecting mirror having a reflecting surface inclined at 45 degrees, an objective lens for focusing the passing laser light on the recording surface, and the like.

Further, the movable portion 20 is equipped with a biaxial actuator for driving in the focus / tracking direction and a voice coil 21 for performing coarse movement in the radial direction of the disk. A flat plate-shaped magnet 23, both ends of which are supported by fixing screws 22 on the main body 10, penetrates through the voice coil 21, and the magnet 23 and the voice coil 21 constitute a voice coil motor for slide feeding. Therefore, the movable portion 20 has two signal lines for exchanging a focus drive signal,
It is necessary to connect at least six signal lines, that is, two signal lines for exchanging the drive signal for tracking and two signal lines for exchanging the drive signal for slide.

For the movable portion 20 having such a structure, the base end of the flexible printed wiring 24 having at least six signal lines is fixed to the movable portion 20 and electrically connected to the wiring pattern thereof. This flexible
The printed wiring 24 is bent 180 degrees in the middle thereof and extends to the back side (upper side in FIG. 1) of the main body 10. Further, the tip of the flexible printed wiring 24 is formed wide, and the pin-socket type male connector 25 is fixed by a fixing means such as an adhesive. The male connector 25 has a large number of contacts 25 a arranged in two rows and is fitted and connected to a female connector 27 fixed to a printed board 26.

A female connector 27 is provided on the printed circuit board 26.
A large number of insertion holes 28 corresponding to the insertion holes are provided. This insertion hole 28 shows one specific example of the opening,
The female connector 27 is fixed to the front side of the printed circuit board 26 by matching the insertion holes with the insertion holes 28. The male connector 25 is made to face the female connector 27 from the back side of the printed circuit board 26, and the contact 25a is inserted into the insertion hole 2
Male connector 2 by penetrating 8 and the insertion hole
5 is fitted and connected to the female connector 27.

On the back side of the printed circuit board 26, as shown in FIG. 2, a bottom plate 11 forming a part of the box is provided. A gap slightly larger than the thickness of the male connector 25 is set between the bottom plate 11 and the printed circuit board 26, and the bottom plate 11 prevents the male connector 25 from coming off. However, the bottom plate 11 is not connected to the male connector 25.
Alternatively, the gap between the bottom plate 11 and the printed board 26 may be eliminated by contacting the back surface of the bottom board 11.

In FIG. 2, 29 is a guide member for guiding the proximal end side of the flexible printed wiring 24. Further, the movable portion 20 shows an example of the first member, and the printed circuit board 26 shows an example of the second member. Then, the male connector 25 and the female connector 27
And make up the connector.

In the flexible printed wiring connection device having such a structure, the male connector 25 provided at the tip of the flexible printed wiring 24 pulled out to the back side of the main body 10 is connected to the female connector from the back side of the printed circuit board 26. It is possible to easily fit and connect by fitting to 27. That is, the contact 25 of the male connector 25
Align a with the insertion hole 28 of the printed circuit board 26, and penetrate the insertion hole 28 and the insertion hole to fit the female connector 27. This allows flexible printed wiring 24
The movable portion 20 and the printed circuit board 26 are electrically connected via the movable portion 20, and the focusing operation, the tracking operation, and the sliding operation of the movable portion 20 are possible.

In this case, the printed board 26 has an insertion hole 28.
The male connector 25 and the female connector 27 from the back side.
Since it is fitted to the bottom plate 1 as shown in FIG.
1 can be brought close to the printed circuit board 26 to minimize the gap between the two members 11 and 26. Therefore, the front side of the printed circuit board 26 having the female connector 27 is attached to the main body 1
By setting it on the side of the optical disc 30 having a large space within 0, the thickness of the female connector 27 is absorbed by the space, and the optical disc reproducing apparatus can be thinned by the thickness of the female connector 27. it can.

Moreover, since the bottom plate 11 is adjacent to the back surface of the male connector 25 and the bottom plate 11 prevents the male connector 25 from moving, the connector can be reliably prevented from coming off. Further, since the bottom plate 11 also serves as a guide for the flexible printed wiring 24, the bent portion of the flexible printed wiring 24 can be smoothly moved, and the flexible printed wiring 24 can be smoothly moved with respect to the movement of the movable portion 20. Can be followed.

In the above embodiment, the first member is the movable member and the second member is the fixed member, but the present invention is not limited to this. Both the first member and the second member may be fixed members as in the case where the spindle motor 12 and the fixed portion 17 are connected, and conversely, the first member and the second member may be connected. Of course, both members may be movable members.

Although the present invention has been described above, the present invention is not limited to the above-mentioned embodiment. For example, in the above-mentioned embodiment, an example in which a large number of through holes are used as the openings has been explained.
One large opening may be provided as an opening, and all the contacts 25 of the male connector 25 may be inserted into the opening. As described above, the present invention can be variously modified without departing from the spirit thereof.

[0026]

As described above, according to the flexible printed wiring connection device of the present invention, the opening is provided at the mounting position of the female connector of the second member, and the opening is provided from the back side of the second member. The male connector is fitted and connected to the female connector via the connector, and a part of the box is made to face the back side of the male connector, so that the second member is brought close to a part of the box. The gap between the members can be made as small as possible. Therefore, by setting the front side of the second member, to which the female connector is fixed, to the larger side of the space inside the housing, the space absorbs the thickness of the female connector, and the thickness of this female connector. Therefore, it is possible to reduce the thickness of electronic equipment such as an optical disk reproducing device.

Moreover, since a part of the box is adjacent to the back surface of the male connector and the box prevents the male connector from moving, a special member for preventing the male connector from coming off. It is possible to reliably prevent the male connector from coming off the female connector without needing to. Further, since a part of the box also serves as a guide for the flexible printed wiring, it is possible to smoothly move the bent portion of the flexible printed wiring.

By using the first member as the movable part of the optical pickup device and the second member as the printed circuit board, it is possible to reduce the size of the entire electronic apparatus such as an optical disk reproducing device, and to use the connector. It is possible to provide a flexible printed wiring connection device capable of reliably preventing disconnection.

[Brief description of drawings]

FIG. 1 is a perspective view of a back side of an optical disk reproducing device to which an embodiment of the present invention is applied.

FIG. 2 is an explanatory diagram for explaining the operation of the present invention.

FIG. 3 is a perspective view showing a conventional flexible printed wiring connection device.

[Explanation of symbols]

 10 Main Body (Box) 11 Bottom Plate (Box) 12 Spindle Motor 13,14 Guide Shaft 17 Fixed Part 20 Movable Part (First Member) 24 Flexible Printed Wiring 25 Male Connector 26 Printed Circuit Board (Second Member) 27 female connector 28 insertion hole

Claims (2)

[Claims] 1. A male connector attached to the other end of a flexible printed wiring, one end of which is fixed to a first member, is fitted into a female connector attached to a second member and housed in a box. In the flexible printed wiring connecting device for connecting the first member and the second member to each other via the flexible printed wiring, an opening is provided at a mounting position of the female connector of the second member. The female connector is fixed to the front side of the second member with the insertion port of the female connector facing the part, and the male connector is inserted into the female connector by penetrating the opening from the back side of the second member. A flexible printed wiring connection device, characterized in that a part of the casing is exposed on the back side of the male connector while being fitted. 2. The flexible printed wiring connection device according to claim 1, wherein the first member is a movable portion of an optical pickup device which is movably held in the box body, and the second member is A flexible printed wiring connection device, which is a printed circuit board fixed in a box.