JP2000156262A - Connector connection structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector connection structure capable of completely inserting a terminal part of a flexible board into a connector, improving productivity, and preventing contact failure. SOLUTION: The terminals 18a1-18a5 are formed on a terminal part 18a formed on a point of a flexible board 18, the completion of insertion checking marks 20a, 20b are formed on the outer side edges of the terminals 18a1 and 18a5 with different widths, and it is judged that the terminal part 18a has been completely inserted into the connector 19, when the terminal part 18a is inserted into the connector 19, and the completion of insertion checking marks 20a, 20b are inserted into the connector 19, and concealed by the connector 19.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector for visually confirming whether or not a terminal formed at the front end of a wiring board is completely inserted into the connector. The present invention relates to a connector connection structure provided with a business mark.

[0002]

2. Description of the Related Art In recent years, with the rapid spread of electronic devices and technological progress, the size of electronic devices has been reduced, and the connection of wiring boards to connectors has also become extremely small. For this reason, if the operation of checking whether or not the terminal portion is completely inserted into the connector is not strictly checked, poor contact or incomplete connection may be caused. Therefore, in order to inspect whether the terminal portion is completely inserted into the connector, conventionally, as shown in FIG. 7, a mark for visually confirming the completion of insertion is provided on a circuit board inside the mobile phone terminal. .

FIG. 7 is a plan view showing a state in which the terminal portion of the flexible wiring board is inserted into the connector. Conventionally, as shown in FIG.
When the terminal 2a formed at the tip of the conventional flexible printed wiring board 2 by FFC or the like is inserted into the connector 1, a difference for checking whether the terminal 2a is completely inserted into the connector 1 or not. The mark 3 for visually confirming the completion of the printing is formed on the substrate 4.

The mark 3 for visually confirming the completion of the insertion is usually set on the substrate 4
Whether the edge of the flexible substrate 2 is aligned with the insertion completion visual mark 3 formed in a belt shape having a predetermined width as shown in FIG. By visually checking whether or not
Whether the terminal portion 2a is completely inserted into the connector 1,
It is determined whether or not it is.

[0005]

In the method of forming the mark 3 for visually confirming the completion of the insertion by the silk printing and visually confirming the completion of the insertion of the terminal portion 2a into the connector 1, first, the visual confirmation of the completion of the insertion is made. It is necessary to form the mark 3 on the substrate 4 by silk printing and perform positioning, and in this case, it is necessary to consider a printing deviation or the like. However, it is difficult to completely eliminate printing misalignment, and moreover, the connector 1,
When the terminal portion 2a has an extremely small shape, higher dimensional accuracy is required, and even if the insertion completion visual mark 3 is slightly displaced, the terminal portion 2a is not completely inserted into the connector 1. There are many. As a result, poor contact between the terminal portion 2a and the connector 1 and poor connection occur.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and the terminal can be easily inserted into the connector by visually confirming the completion of the insertion of the terminal into the connector. It is an object of the present invention to provide a connector connection structure that can avoid imperfect insertion of a connector.

[0007]

In order to achieve the above object, according to the connector connection structure of the present invention, a terminal is formed at a terminal portion formed at a leading end of a wiring board, and a dimension is changed at a predetermined position of the terminal. The terminal portion is provided with a mark for visually confirming the completion of insertion into the connector when the insertion into the connector is completed.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a connector connection structure according to the present invention will be described below with reference to the drawings. FIG. 2 is an exploded perspective view of the mobile phone showing a state in which the first embodiment of the present invention is applied to the mobile phone. In FIG. 2, a battery 12 is accommodated in a predetermined position of the lower case 11, and an antenna 13 is fixedly attached to the lower case 11 at a tip portion of the lower case 11.

The lower case 11 and the panel assembly 14
A main board (circuit board) 15 is accommodated between the main board (circuit board) 1 and the main board (circuit board) 1.
The RF module 16 is attached to the lower surface side of 5. The RF module 16 is a high-frequency part of the mobile phone, and is a part that performs a radio wave transmission / reception process for making a call with a communication partner. Main board (circuit board) 15
An LCD (liquid crystal) assembly 17 is arranged at a portion corresponding to the RF module 16 on the upper surface side of the device.

The LCD assembly 17 is a display for displaying various information of the mobile phone. This LCD
A flexible substrate 18 is electrically connected to the assembly 17. On the other end side of the flexible substrate 18, a terminal portion 18a is formed. This terminal portion 18a
The CD assembly 17 is inserted into a connector 19 fixed on a main board (circuit board) 15 so as to bypass the back side of the CD assembly 17. The connector 19 is connected to an LCD driver (not shown).

In FIG. 2, the LCD assembly 17 is fitted into an LCD window 14a formed in the panel assembly 14. Further, a plurality of windows 14b are formed in the panel assembly 14,
Although not shown, a keytop having various buttons, such as dial buttons, necessary for operating the mobile phone is penetrated through the window 14b, and is exposed from the surface of the panel assembly 14 through the window 14b.

Now, description will return to the connection relationship between the terminal portion 18a of the flexible board 18 and the connector 19. FIG. 1 shows a terminal portion 1 at a portion indicated by a circle A in FIG.
FIG. 3 is an enlarged plan view showing a state in which the connector 8a is inserted into the connector 19, and FIG. 3 is an enlarged plan view of the terminal portion 18a. As shown in FIGS. 1 and 3, the terminal portion 18a has two or more pins (FIGS. 1 and 3 show an example of five pins) 18a1.
To 18a5 are provided.

As described above, the terminals 18a1 to 18a1 having two or more pins
18a5 are provided, the terminals 18a on both sides are provided.
In the pattern of 1 and 18a5, the mark 20
a and 20b are formed integrally with the terminals 18a1 and 18a5. These plug-in completion visual marks 20a, 20b
Are formed wider than the terminals 18a1 and 18a5 by changing the width dimension. That is, it is in a protruding shape (convex shape). As shown in FIG.
Assuming that the dimension from the lower edges of the terminals 0a and 20b to the tips of the terminals 18a1 to 18a5, that is, the mark dimension is f and the insertion depth of the terminal portion 18a of the connector 19 is g, f <g.

As is apparent from FIG. 1, the terminals 18a1 to 18a5 of the terminal portion 18a reach the insertion depth g of the connector 19.
When the lower end edges of the insertion completion visual marks 20a and 20b are located on the same line as the opening edge of the connector 19, it can be determined that the terminal portion 18a is completely inserted into the connector 19. In other words, as is clear from FIG. 1, since the insertion completion visual marks 20 a and 20 b enter the connector 19 and cannot be visually recognized, it is visually recognized that the terminal portion 18 a has been completely inserted into the connector 19. can do. Further, the mark size f is preferably set to a length obtained by subtracting the maximum dimensional tolerance of the connector 19 and the terminal portion 18a from the insertion depth g of the connector 19.

Next, a second embodiment of the present invention will be described. FIG. 4 shows a terminal 18 according to the second embodiment.
It is an enlarged plan view of the part of a. In the second embodiment, as is apparent from FIG.
It is the same as the first embodiment in that it has five terminals 18a1 to 18a5, but the terminals 18a2 and 18a4 are connected to a circuit (not shown) on the opposite side of the substrate 18 from the terminal portion 18a. To the terminal 18a1,1 to be connected, which serves as a mark for visually confirming the completion of insertion.
The dimensions are shorter than those of 8a3 and 18a5. Unconnected terminals 18a2 and 18a as the insertion completion visual check mark
4 allows the terminal portion 18a to reach the mark size f1.
Is inserted into the connector 19, the terminal portion 1
8a can be visually recognized as being completely inserted.

FIG. 5 is an enlarged plan view of a terminal portion 18a according to a third embodiment of the present invention. In the third embodiment, as is apparent from FIG.
1 to 18a5 each have a mark size f2,
The pattern shape of each terminal 18a1 to 18a5 is the mark size f.
2 and the terminals 18a1 to 18a
By giving a step to each terminal width of No. 5, the wide portion serves as a mark for visually confirming the completion of insertion. By inserting the lower end edge of the wide portion into the connector 19 (not shown in FIG. 5), it can be determined that the terminal portion 18a is completely inserted into the connector 19.

FIG. 6 is an enlarged plan view of a terminal portion 18a according to a fourth embodiment of the present invention. In the case of the fourth embodiment, an embodiment is shown in which all of the first to third embodiments are combined.
In other words, the terminal portion 18a has five terminals 18a1 to 1
8a5, the terminals 18a1 and 18a5 on both the left and right sides.
Is a mark 2 for visually confirming the completion of insertion as in the case of FIGS.
0a and 20b are provided.

Also, the terminals 18a2 and 18a4 are used as marks for visually confirming the completion of the insertion with the mark size f1 as in the case of FIG.
As in the case of FIG. 5, a5 has a terminal width different from that of the other terminals 18a2 and 18a4 as the mark size f3 so that a step is provided in the terminal width. Since the terminal width has a step, the wide portion of the terminal width of each of the terminals 18a1 to 18a5 becomes a mark for visually confirming the completion of the insertion. When the mark for visually confirming the completion of the insertion is inserted into the connector, It can be determined that the terminal portion 18a is completely inserted into the connector.

In the fourth embodiment shown in FIG. 6, an example is shown in which the first to third embodiments are combined as described above.
Any two or three of the first to third embodiments may be combined. Also,
Although the terminals 18a1 to 18a5 in each of the above embodiments are shown in the drawings as being in an enlarged view, they are formed in a belt shape for convenience. However, in practice, the terminal portions 18a have extremely small dimensions. 18a1 to 18a5 may be linear.

[0020]

As described above, according to the present invention, the size of the terminal itself of the terminal portion is changed to provide a mark for visually confirming the completion of the insertion.
When the terminal portion is inserted into the connector, if the insertion completion visual recognition mark has entered the connector, it can be instantaneously determined that the terminal portion is completely inserted into the connector. Therefore, it is easy to confirm the presence or absence of an incomplete insertion of the terminal into the connector, thereby improving productivity and preventing the incomplete insertion.
Poor contact between the terminal portion and the connector can be prevented.

[Brief description of the drawings]

FIG. 1 is an enlarged plan view showing a state where a terminal section and a connector are connected in a first embodiment of a connector connection structure according to the present invention.

FIG. 2 is an exploded perspective view of the mobile phone showing a state in which the connector connection structure according to the present invention is applied to the mobile phone.

FIG. 3 is an enlarged plan view of a terminal portion in the first embodiment of the connector connection structure according to the present invention.

FIG. 4 is an enlarged plan view of a terminal portion in a connector connection structure according to a second embodiment of the present invention.

FIG. 5 is an enlarged plan view of a terminal portion in a connector connection structure according to a third embodiment of the present invention.

FIG. 6 is an enlarged plan view of a terminal portion in a fourth embodiment of the connector connection structure according to the present invention.

FIG. 7 is an enlarged plan view showing a state where a terminal portion and a connector are connected in a conventional connector connection structure.

[Explanation of symbols]

 18 Flexible board 18a Terminal 18a1 to 18a5 Terminal 19 Connector 20a, 20b Mark for completion of insertion, f, f1 to f3 Mark dimensions, g Insertion depth

 ──────────────────────────────────────────────────続 き Continued on the front page F-term (reference)

Claims (5)

[Claims] A terminal is formed at a terminal portion formed at a tip portion of a wiring board, and dimensions of the terminal portion are changed at predetermined positions, and the terminal portion is visually recognized as a mark when the insertion into the connector is completed. A connector connection structure characterized by providing a use mark. 2. The connector according to claim 1, wherein the mark for visually confirming the completion of the insertion is formed by changing a width dimension on a side edge of each of the outer terminals when there are two or more terminals. Connection structure. 3. The connector according to claim 1, wherein the mark for visually confirming the completion of the insertion is formed by shortening the length of a predetermined terminal when there are three or more terminals. Connection structure. 4. The connector connection structure according to claim 1, wherein the mark for visually confirming the completion of insertion is formed by changing a width dimension of each terminal at a predetermined position when there are a plurality of terminals. . 5. The mark for visually confirming the completion of the insertion, when there are a plurality of the terminals, by combining a terminal having a changed width dimension and a terminal having a changed length dimension, by using a portion having different dimensions of each terminal. The connector connection structure according to claim 1, wherein the connector connection structure is formed.