JP3020345U - Electronics - Google Patents

Abstract

(57) [Abstract] [Purpose] An inexpensive printed circuit board can be used, and various electronic components can be reliably electrically connected. A printed circuit board attached to the electronic device body 1 is composed of a main printed circuit board 3A and a sub printed circuit board 3B having wiring printed on one surface 4a of an insulating substrate 4, and the main printed circuit board 3A is a lower surface of the electronic device body 1. The sub-printed circuit board 3B is fastened by a fastener 9 and is fitted in a recess 10 formed in the side surface of the electronic device body 1.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an electronic device such as a disc player for reproducing, recording, or erasing a magneto-optical disc, which is abbreviated as CD or MD, an optical disc, or the like.

[0002]

[Prior art]

 Conventionally, there is a disc player shown in FIG. 5 as an example of an electronic device. This is equipped with an electronic device main body 1 having a built-in device such as a turntable and an optical pickup, and a slide tray 2 supported by the electronic device main body 1 so as to be slidable in the front-rear direction. After setting the disc D in the recess 2a of the slide tray 2 that has been advanced, the slide tray 2 is retracted as shown by the solid line in the figure, and the disc D on the slide tray 2 is placed on the turntable. The information recorded on the disc D is read by an optical pickup and reproduced.

A printed circuit board 3 for electrically connecting various electronic components in the electronic device body 1 is attached to the lower surface of the electronic device body 1.

[0004]

[Problems to be solved by the device]

 In the above configuration, the printed circuit board 3 is classified into a double-sided print type in which wiring is printed on both sides 3a and 3b and a single-sided print type in which wiring is printed only on one side 3a. The single-sided print type is inexpensive. However, since the printed wiring surface is small, it is difficult to electrically connect various electronic components in the electronic device body 1.

Therefore, conventionally, a double-sided print type, which has a large printed wiring surface and is capable of reliably electrically connecting various electronic components, is used as the printed board 3, but this is expensive and the manufacturing cost is high. Tsuku.

In view of the above problems, an object of the present invention is to provide an electronic device which can use an inexpensive printed board and can surely electrically connect various electronic components.

[0007]

[Means for Solving the Problems]

 In order to achieve the above object, the invention according to claim 1 is such that a printed circuit board attached to an electronic device main body is composed of a main printed circuit board and a sub printed circuit board in which wiring is printed on one surface of an insulating substrate. The board is attached to the lower surface of the electronic equipment body, and the sub-printed board is attached to the side surface of the electronic equipment body.

A second aspect of the present invention is the device of the first aspect, wherein the main printed circuit board and the sub printed circuit board are printed on one side with the main printed circuit board wiring and the sub printed circuit board wiring. It is integrally formed of an insulating substrate and is divided into a main printed circuit board and a sub printed circuit board by bending a boundary between the main printed circuit board wiring and the sub printed circuit board wiring of the insulating circuit board. I am trying.

According to a third aspect of the present invention, in the second aspect of the present invention, the insulating substrate is provided with a conductor wire for electrically connecting the main print substrate wiring and the sub printed circuit wiring. There is.

A fourth aspect of the invention is the device of the third aspect, wherein the main printed circuit board is fixed to the lower surface of the electronic device body, and the sub printed circuit board is formed in a recess formed on the side surface of the electronic device body. It is characterized by being fitted.

[0011]

[Action]

 According to the invention as set forth in claim 1, the printed circuit board attached to the electronic device main body is composed of a main printed circuit board and a sub printed circuit board, and an inexpensive single-sided printed type in which wiring is printed on one side as both the main and sub circuit boards. Because it uses, the production cost can be reduced. Moreover, since the printed wiring surfaces of the main and sub boards are large, various electronic components in the electronic device body can be reliably electrically connected. Further, the main printed circuit board is attached to the lower surface of the electronic device main body, the sub printed circuit board is attached to the side surface of the electronic device main body, and both the main and sub boards are attached along the outer peripheral surface of the electronic device main body. Therefore, there is no fear of hindering downsizing of electronic devices.

In the invention according to claim 2, when forming both the main and sub boards, first, after forming one insulating board on which the main printed wiring and the sub printed wiring are printed on one surface, It is only necessary to bend the boundary between the main printed wiring and the sub printed wiring on the insulating substrate.

According to the above configuration, the main and sub boards are formed by one insulating board on which the main and sub print boards are printed. It can be manufactured at a lower cost than when the substrates are formed separately.

According to the invention of claim 3, a conductor wire for electrically connecting the main printed circuit board wiring and the sub printed circuit board wiring is attached to the insulating circuit board. Even in the divided state, large printed wiring can be formed over both the main and sub substrates. Further, by connecting the main and sub boards to each other with the conductive wire, a connecting tool for connecting the main and sub boards to each other is not required, so that the number of parts does not increase and the manufacturing cost can be reduced accordingly.

In the invention according to claim 4, when attaching both the main and sub boards to the main body of the electronic device, first, the main printed board is fixed to the lower surface of the main body of the electronic device, and the sub printed board is attached to the main body of the electronic device. It only has to be fitted in the recess formed on the side surface.

According to the above configuration, when mounting the sub-printed circuit board on the side surface of the electronic device body, it is sufficient to fit the sub-printed circuit board into the recess formed on the side surface of the electronic device body. Since it is unnecessary, the number of parts does not increase and the manufacturing cost can be reduced accordingly.

[0017]

【Example】

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 to 3 show a disc player according to an embodiment of the present invention, in which a main printed circuit board 3A is attached to the lower surface of the electronic equipment body 1 and a sub-prescription is provided on a side surface of the electronic equipment body 1. The printed circuit board 3B is attached.

As the main and sub boards 3A and 3B, an inexpensive single-sided print type in which wiring is printed on one surface 4a of the insulating board 4 is used, and the manufacturing cost can be reduced.

The procedure for manufacturing the main and sub substrates 3A and 3B will be described. As shown in FIG. 4A, the main printed circuit board wiring 5a and the sub printed circuit board wiring 5b are printed on one surface 4a. A single insulating substrate 4 is formed, and a perforation 7 is formed at a boundary 6 between the main printed circuit board wiring 5a and the sub printed circuit board wiring 5b of the insulating circuit board 4. Next, as shown in FIG. ), For example, both ends of a plurality of conducting wires 8 made of a tin-plated substantially U-shaped iron wire are driven into the boundary 6 of the insulating substrate 4 at a predetermined interval in the longitudinal direction of the boundary 6, and thereby, The main printed circuit board wiring 5a and the sub print circuit board wiring 5b are electrically connected to each other by the respective conductive wires 8, and subsequently, as shown in FIG. It may be bent at a substantially right angle. As a result, the insulating substrate 4 is broken along the boundary 6 to form the main printed circuit board 3A and the sub printed circuit board 3B.

According to the above configuration, the main and sub boards 3A and 3B are formed by the single insulating substrate 4 on which the main printed board wiring 5a and the sub printed wiring 5b are printed. Compared to the case where the main and sub substrates 3A and 3B are formed separately, the cost can be reduced.

Further, since the main printed circuit board wiring 5a and the sub printed circuit board wiring 5b are electrically connected by the conducting wire 8, a large printed wiring can be formed over both the main and sub circuit boards 3A and 3B. Furthermore, since the main and sub boards 3A and 3B are integrally connected by the conductor 8 and a connecting tool for connecting the main and sub boards 3A and 3B to each other is not required, the number of parts does not increase, and only that. Production costs can be reduced.

As shown in FIG. 3, of the main and sub boards 3 A and 3 B manufactured as described above, the main printed board 3 A is fixed to the lower surface of the electronic device body 1 by a fastener 9 such as a screw. The sub-printed circuit board 3B is mounted in the recess 10 formed on the side surface of the electronic device main body 1, and the sub-printed circuit board 3B is provided with protrusions 10a and 10a protruding from the inner surface of the recess 10. It is fixed in the recess 10 by being sandwiched by both ends 10b of the recess 10 and 10b.

According to the above configuration, when mounting the sub-printed circuit board 3B on the side surface of the electronic device body 1, it is only necessary to fit the sub-printed circuit board 3B into the recess 10 formed on the side surface, and no mounting tool is required. However, the number of parts does not increase and the production cost can be reduced accordingly.

[0024]

[Effect of device]

 According to the invention as set forth in claim 1, since the inexpensive single-sided print type in which wiring is printed on one side of the insulating board is used as both the main and sub boards to be attached to the electronic device body, the manufacturing cost can be reduced. it can. In addition, since the printed wiring surfaces of both the main and sub boards are large, various electronic components in the electronic device body can be reliably electrically connected. Furthermore, since both the main and sub boards are mounted along the outer peripheral surface of the electronic device body from the lower surface to the side surfaces, there is no fear of hindering the miniaturization of the electronic device.

According to the second aspect of the invention, the main and sub boards are formed by one insulating board on which the main printed board wiring and the sub printed wiring are printed. It can be manufactured at a lower cost than the case where both the main and sub substrates are formed separately.

According to the third aspect of the invention, since the main printed circuit board wiring and the sub printed circuit board wiring are electrically connected by a conductor, a large printed wiring can be formed over both the main and sub circuit boards. it can. Further, by connecting the main and sub boards to each other with the conductive wire, a connecting tool for connecting the main and sub boards to each other is not required, so that the number of parts is not increased and the manufacturing cost can be reduced accordingly. .

According to the invention as set forth in claim 4, when mounting the sub-printed circuit board on the side surface of the electronic device main body, it suffices to fit the sub-printed circuit board into the recess formed on the side surface of the electronic device main body. Since no fixture is required, the number of parts does not increase and the production cost can be reduced accordingly.

[Brief description of drawings]

FIG. 1 is a perspective view of a disc player according to an embodiment of the present invention.

FIG. 2 is a schematic horizontal sectional view of the same.

FIG. 3 is a cutaway front view of the same portion.

4A to 4C are schematic perspective views showing a manufacturing procedure of both the main and sub substrates.

FIG. 5 is a perspective view showing a conventional example.

[Explanation of symbols]

 1 Electronic Equipment Main Body 3A Main Printed Circuit Board 3B Sub Printed Circuit Board 4 Insulation Board 4a One Side of Insulation Board 5a Main Printed Circuit Board Wiring 5b Sub Printed Circuit Board Wiring 6 Boundary 8 Conductor 9 Fastener 10 Recess

Claims (4)

[Scope of utility model registration request] 1. A printed circuit board attached to an electronic device main body comprises a main printed circuit board and a sub printed circuit board having wiring printed on one surface of an insulating substrate, and the main printed circuit board is mounted on a lower surface of the electronic device main body. An electronic device in which a sub-printed circuit board is attached to a side surface of the electronic device body. 2. The main printed circuit board and the sub printed circuit board are integrally formed by a single insulating board having a main printed circuit board wiring and a sub printed circuit board wiring printed on one surface thereof. The electronic device according to claim 1, wherein the main printed circuit board and the sub printed circuit board are divided by bending a boundary between the wiring for the printed circuit board and the wiring for the sub printed circuit board. 3. The electronic device according to claim 2, wherein a conductor wire for electrically connecting the main printed circuit board wiring and the sub printed circuit board wiring is attached to the insulating substrate. 4. The electronic device according to claim 3, wherein the main printed circuit board is fixed to a lower surface of the electronic device main body, and the sub printed circuit board is fitted in a recess formed in a side surface of the electronic device main body. machine.