JP2003188487A - Equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide equipment through which a fine slit can be passed and which has large-area electrical contacts for connection. <P>SOLUTION: This equipment has the slit (12) and a flexible substrate which is electrically connected to another electric substrate through the slit (12). The front end of the flexible substrate is made bendable and the substrate is connected to the electric substrate by extending or bending the front end of the substrate after the front end is passed through the slit (12). <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a board connecting method, and more particularly to a connecting device for connecting flexible printed boards.

[0002]

2. Description of the Related Art Conventionally, when connecting flexible printed circuit boards, it has been necessary to connect them through, for example, a slit-shaped hole in a camera body. In this case, the width of the flexible printed circuit board is made smaller than the width of the hole of the slit to connect the flexible printed circuit board.

[0003]

However, if the width of the flexible printed circuit board is made narrower than the width of the hole of the slit for connection, the reliability of the connection part of the flexible printed circuit board is poor due to the small number of electrical contacts. There was a problem.

In view of the above points, an object of the present invention is to provide a connecting device which can pass through a narrow slit and has a large area of an electrical contact.

[0005]

A device according to the present invention, in a device having a plurality of electric boards, has a member having a through hole, and is electrically connected to another electric board through the hole. A flexible printed circuit board having a contact group portion provided with a flexible printed circuit board, the flexible printed circuit board being bendable between the contact group, and electrically connecting the other electric circuit board to the flexible printed circuit board. After passing the contact group portion through the hole, the bent portion is unfolded or bent and connected to the other electric board.

Further, the flexible printed circuit board is
The bent portion of the contact group portion has a flexible printed board having no electrical contact.

Further, the hole portion has a predetermined hole width, and the contact point group portion has a width dimension larger than the hole width due to expansion or bending when connecting to the other electric board. A device having a printed circuit board.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a rear view of the camera body with the back cover opened. As shown in FIG. 1, a slit 12 is provided in a main body rear cover 11 of the camera main body 10. Further, as shown in FIG. 2, the lid 15 at the rear of the camera is provided with a substrate 16 including a liquid crystal part for displaying the date and the like and a pressure plate 14 for covering the substrate 16,
From there, a flexible substrate 13 electrically connected to the substrate 16 extends. The flexible substrate 13 is
Although it is inserted into the slit 12 and electrically connected to the camera body 10, the contacts electrically connected to the flexible substrate 13 are wide for improving reliability. In this state, the slit 1
I can't insert it into 2.

Next, FIG. 3 is an enlarged view of a tip portion (a portion surrounded by a dotted line) of the flexible substrate 13 shown in FIG. As shown in FIG. 3, the tip of the flexible substrate 13 is wider than the portion other than the tip. The inside of the cover lay opening indicated by the circle at the tip of the flexible substrate 13 is an electrical contact and the electrode is exposed. Further, the flexible substrate 13 can be folded back along a break line running beside the tip of the flexible substrate 13.

FIG. 4 is a view showing a case where the tip portion of the flexible substrate 13 is bent along the breaking line of the bending and inserted into the slit 12. As shown in FIG. 4, the slit 1 is formed by folding back the tip of the flexible substrate 13 along the breaking line of the folding.
The width is narrower than 2 and it can be inserted.

Next, FIG. 5 shows the flexible substrate 13
After inserting into the slit 12, the flexible substrate 1
3 is a diagram showing a case where the tip end portion of 3 is expanded according to the breaking line and connected to another flexible substrate 17 in the camera body 10. FIG. As shown in FIG. 5, since the area of the connection portion of the flexible substrate 13 and the other flexible substrate 17 indicated by the dotted line is larger than the width of the flexible substrate other than the tip portion, more reliable connection is required. You can

Next, FIG. 6 is a cross-sectional view of the connection portion shown by the dotted line in FIG. As shown in FIG. 6, an elastic member 18 such as rubber is installed between the camera body 10 and the flexible substrate 13, and the flexible substrate 1
Another flexible substrate 17 is provided on top of 3, and an elastic member 18 is similarly provided on top of it. Further, a washer 19 is installed on the elastic member 18 installed on the another flexible substrate 17, and finally fixed by a screw 15. The main body rear cover 11 is covered from above.

Next, FIG. 7 shows the flexible substrate 13
After inserting into the slit 12, the flexible substrate 1
It is an enlarged view when the tip part of 3 is expanded. As shown in FIG. 7, the flexible substrate 13 bent to have a width narrower than that of the slit 12 is inserted into the slit 12, and after passing, the bent tip portion is expanded according to the break line. At this time, the main body rear cover 1
It is desirable that the area does not protrude beyond 1.

FIG. 8 is a diagram showing the relationship between the bending line (broken line in FIG. 8) of the flexible substrate 13 and the conductive pattern. As shown in FIG. 8, it is desirable not to form a conductive pattern on both sides of the folding line (width α in FIG. 8) in the cover lay opening indicated by the circle where the electrical contacts are exposed.

Further, FIG. 9 shows the flexible substrate 13
Flexible substrate 21 whose tip has a different conductive pattern
It is the figure which showed. As shown in FIG. 9, even in the case of such a conductive pattern, it is desirable not to form a conductive pattern on both sides (width β in FIG. 9) of the bending line. The conductive pattern on the right side of the vertical dotted line in FIG. 9 is the coverlay opening where the electrical contacts are exposed.

Next, FIG. 10 shows the flexible substrate 1
Flexible substrate 2 having a conductive pattern at the tip of 3
It is the figure which showed 2. In the case of this flexible substrate 22, the tip portion is made narrower than the width of the slit 12 by bending it at two places, but in this case also, it is desirable not to form a conductive pattern on both sides of the bending line. The conductive pattern on the right side of the vertical dotted line in FIG. 10 is the coverlay opening where the electrical contacts are exposed.

Next, FIG. 11 shows the flexible substrate 1
Flexible substrate 2 having a conductive pattern at the tip of 3
It is the figure which showed 3. In the case of this flexible substrate 23, the tip portion is narrower than the width of the slit 12, and the slit 12 is passed in this state. Then, after passing through the slit 12, it is bent at two locations in the vertical direction (A) and the horizontal direction (B) to be connected. Further, FIG. 12 shows a state where the flexible substrate 23 is bent.

Next, FIG. 13 shows the flexible substrate 1
Flexible substrate 2 having a conductive pattern at the tip of 3
It is the figure which showed 4. In the case of this flexible substrate 24, it is bent along the broken line in FIG. 13 so that the whole is made narrower than the width of the slit 12. The pattern above the breaking line in FIG. 13 is used as an electrical connection (communication line) with an external device by inserting the slit 12 and then unfolding and sticking it to the wall of the battery chamber, for example. To do.

According to the present invention, the following configurations are possible.

Appendix 1. In a device having a plurality of electric boards, a member having a hole portion having a predetermined hole width and penetrating therethrough, and a contact group for passing through the hole portion and electrically connecting to another electric board are provided. A contact group portion having a width dimension larger than the predetermined hole width, and a lead portion having a width dimension smaller than the predetermined hole width provided with a plurality of lead patterns derived from the contact group portion, A flexible printed circuit board capable of folding between the groups, and in order to electrically connect the other electric circuit board to the flexible printed circuit board, the contact group of the contact group portion is bent, and the contact group is formed. An apparatus, characterized in that, after the portion is passed through the hole, the bent portion is expanded or folded and connected to the other electric board.

Appendix 2. A member having a through hole, and a contact group portion provided with a contact group for passing through the hole and making an electrical connection with another electric substrate, and made it possible to fold between the contact groups. In a method of assembling a device having a flexible printed board, in order to electrically connect the other electric board to the flexible printed board, the contact group of the contact group is bent between the contact group, After passing through the hole, the bent portion is unfolded or bent and connected to the other electric board.

As described above, by using the embodiment of the present invention, a flexible board having a width wider than the width of the slit can be inserted into the slit, so that reliability in connecting the flexible board is improved. Further, depending on the shape of the slit or the shape of the flexible substrate, it can be bent before or after passing through the slit, so that it can be easily applied to each connecting member.

[0024]

By using the present invention, a flexible substrate having a width wider than the width of the slit can be inserted into the slit, so that reliability in connecting the flexible substrate is improved.

[Brief description of drawings]

FIG. 1 is a rear view of a camera body with a back cover opened according to an embodiment of the present invention.

FIG. 2 is a diagram showing a rear cover of the camera according to the embodiment of the present invention.

FIG. 3 is an enlarged view of the end portion of the flexible substrate shown in FIG. 2 according to the embodiment of the present invention.

FIG. 4 is a view showing a case where the tip end portion of the flexible substrate according to the embodiment of the present invention is bent along a breaking line of bending and is inserted into a slit.

FIG. 5 is a diagram showing a case where the flexible substrate according to the embodiment of the present invention is inserted into a slit, the tip end portion of the flexible substrate 13 is expanded along a breaking line, and the flexible substrate is connected to another flexible substrate in the camera body. .

FIG. 6 is a cross-sectional view of the connection portion shown by the dotted line in FIG. 5 according to the embodiment of the present invention.

FIG. 7 is an enlarged view of the flexible substrate according to the embodiment of the present invention, after inserting the flexible substrate into the slit and expanding the tip portion of the flexible substrate.

FIG. 8 is a view showing a relationship between a flexible substrate bending line and a conductive pattern according to the embodiment of the present invention.

FIG. 9 is a diagram showing a flexible substrate according to an embodiment of the present invention, in which the tip of the flexible substrate is another conductive pattern.

FIG. 10 is a diagram showing a flexible substrate according to an embodiment of the present invention, in which the tip of the flexible substrate is another conductive pattern.

FIG. 11 is a view showing a flexible substrate according to an embodiment of the present invention, in which the tip of the flexible substrate is another conductive pattern.

FIG. 12 is a view showing a state in which the flexible board according to the embodiment of the present invention is bent.

FIG. 13 is a diagram showing a flexible substrate according to an embodiment of the present invention, in which the tip of the flexible substrate is another conductive pattern.

[Explanation of symbols]

10 ... Camera body, 11 ... Body rear cover, 12 ... Slit, 13 ... Flexible substrate, 14 ... Pressure plate, 17,
21, 22, 23, 24 ... Flexible substrate, 15 ...
Lid, 16 ... Substrate, 18 ... Elastic member, 20 ... Screw

Claims (3)

[Claims] 1. A device having a plurality of electric boards, wherein a member having a through hole and a contact group for passing through the hole and electrically connecting to another electric board are provided. A flexible printed circuit board that has a portion and can be bent between the contact groups, and the electrical contact between the other electric board and the flexible printed circuit board After being passed through, the device is characterized in that the bent portion is expanded or bent and connected to the other electric board. 2. The device according to claim 1, wherein the flexible printed circuit board has a flexible printed circuit board in which electrical contacts are not provided in a bent portion of the contact group portion. 3. The flexible portion having a predetermined hole width, and the contact group portion has a width dimension larger than the hole width due to expansion or bending when connecting to the other electric board. The device according to claim 1 or 2, further comprising a printed circuit board.