JPS6357915B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a connection device between a connector and a flexible printed circuit board (hereinafter abbreviated as FPC) used on the back side of an instrument casing of a vehicle, electrical equipment, etc., for example.

The conventional connection between the FPC and the connector is as shown in Fig.
is recessed, and the tongue piece d of the FPCc is folded into the recess b, and the conductors e, e', e'' of the FPCc formed on the tongue piece d...the exposed parts of the connector f are fitted into the recess b. It was forced into contact with terminal g.

Therefore, the conductors e, e′, e″ of FPCc are in the recess b
When wired across both sides of conductors e, e′,
e″... was routed around the recess b, making its routing complicated.

Furthermore, instruments and the like provided in the casing a had to be provided in locations that avoided the above-mentioned recesses.

As mentioned above, in the conventional example, the efficiency of space saving has deteriorated.

In view of the above-mentioned drawbacks, the present application provides a pair of supports on the back side of the casing attached to the FPC, supports the connector on the pair of supports, and rotates the connector using the supporting portion as a fulcrum, thereby making the connector more protruding. The present invention attempts to eliminate the above-mentioned drawbacks by bringing the provided terminal into contact with the conductor portion of the FPC while wiping it.

An example of the implementation of the present invention will be explained below based on FIGS. 2 and 3. 1 and 1' are FPC 3 of the casing
A pair of pillars are placed side by side on the attachment surface, and 4 is a connector rotatably supported inside the pillars 1, 1'.

A guide portion 5 and a support portion 6 are formed on opposing surfaces of the struts 1 and 1', respectively.

The guide portion 5 is connected to a protrusion 7 that protrudes along the direction in which the columns 1 and 1' are erected, and is connected to the upper part of the protrusion 7, and extends upward in a semicircular arc shape. It is formed of a receiving frame 8, and a supporting portion 6 is formed inside the receiving frame 8.

Connector 4 has connector 4 in the center of both sides.
A protrusion 10 and a protrusion 11 are formed along the terminal accommodating chamber 9 of the connector 4.
It is formed on the side in the direction of the wire outlet 12.

The projection 11 has a cylindrical shape and has a diameter that is approximately the same as the diameter of the support portion 6.

Reference numeral 13 denotes a locking piece protruding from one side edge of both sides of the connector 4 in a cantilever shape.
, an extension part 15 bent from the base part 14 and extending at equal intervals from the side surface of the connector 4 while perpendicular to the protrusion 10 , and a hook part bent toward the side surface of the connector 4 at the tip of the extension part 15 . 16.

Supports 1, 1' and connector 4 having the above configuration
In order to electrically connect the conductor part of the FPC 3 and the terminal housed in the connector 4, the cylindrical protrusions 11 formed on both sides of the connector 4 are guided by the protrusions 7 forming the guide part 5. bearing part 6
The connector 4 may be rotated using the supporting portion 6 as a fulcrum.

When the connector 4 rotates and stands upright with respect to the FPC 3, the protrusions 10 on both sides of the connector 4 come into contact with the protrusions 7 formed on the opposite sides of the supports 1 and 1', and the connector 4 stops at that part.

At this time, the terminal 17 protruding from the connector 4
As shown in Figure 10A and B,
The conductor portions 18, 18', 18'' of FPC3 are wiped and pressed together, and the connector 4
The latching pieces 13 projecting in the form of cantilevers on both sides hold the support columns 1, 1' at the latching portions 16, thereby fixing the connector 4 in the corresponding position.

5 and 6 show a second embodiment. In this embodiment, a protrusion 19 is provided on each side of the connector 4, and the connector 4 of the protrusion 19 is provided with a protrusion 19. A substantially U-shaped notch 20 is cut at the end on the side of the wire outlet 12, and a cylindrical protrusion 21 serving as a support is protruded from each of the opposing surfaces of the columns 1, 1'.

Supports 1, 1' and connector 4 having the above configuration
In order to electrically connect the conductor parts 18, 18', 18''... of the FPC 3 to the terminals 17 housed in the connector 4, the protrusions 21 protruding from the opposing surfaces of the support columns 1, 1', The connector 4 can be rotated by fitting into the holes 20 formed on both sides of the connector 4 and supporting the connector 4 by the supports 1 and 1' using the corresponding parts.

When the connector 4 rotates and stands upright with respect to the FPC 3, the base portion 14 of the locking piece 13 comes into contact with the support columns 1, 1', and the connector 4 is stopped at that portion.

At this time, the terminal 17 protruding from the connector 4
are wiped and pressed against the conductor parts 18, 18', 18''... of FPC3, and the hooking piece 1
3 holds the support columns 1 and 1' with the hooking portion 16, and fixes the connector 4 in the position.

FIG. 7 is a sectional view showing a state in which the terminal 17 is housed in the connector 4. The terminal 17 is made up of a wire connecting portion 22, a box-shaped base 23, and a contact piece 25 protruding from the lower wall 24 of the base 23. There is.

The base 23 has side walls 26, 26' of the base 23 hanging down to form protruding pieces 27, 27', and the side walls 26, 26' are notched in the shape of a square at the front part.
A bridge 29 is connected between the shaped portions 28 and 28'.
It's forcing me.

The contact piece 25 protrudes from the lower wall 24 to the front of the base 23, bends gently, reaches diagonally upward, bends gently again upwards, crosses the bridge 29, and wraps around the bridge 29 at an appropriate interval. There is.

Therefore, the contact piece 25 is supported by the bridge 29 against external pressure, so that it does not buckle.

The connector 4 has substantially 〓-shaped contact pieces 30, 30' on both sides of the inside front part of the terminal accommodating chamber 9, a protrusion 32 on the inside of the lower wall 31, and an elastic arm 34 hanging inside the upper wall 33. ing.

The terminal 17 is inserted into the terminal accommodating chamber 9 of the connector 4, and the conical portions 28, 28' are inserted into the contact pieces 30, 3.
0', the protruding pieces 27, 27' are engaged with the protrusion 32, and the upper part of the base 23 is pressed by the elastic arm 34.

The terminal 17 accommodated and locked in the terminal accommodating chamber 9 of the connector 4 by the above-described mechanism has its contact piece 25 protruding from the connector 4 in this state.

In short, the present invention supports the connector 4 on a pair of support columns 1 and 1' juxtaposed on the FPC 3 attachment surface of the casing 2, rotates the connector 4 using the support portion 6 as a fulcrum, and protrudes from the connector 4. The installed terminal 17 was pressed against the conductor parts 18, 18', 18'' of the FPC 3 while wiping it, so that the terminal 17 and the conductor part 1
8, 18', 18'', . . . good electrical contact with appropriate wiping action can be obtained.

Also, when handling the conductor parts 18, 18', 18"..., it is necessary to connect the conductor parts 18, 18', 18"... directly to the other side of the connection point via the connection point between the FPC 3 and the connector 4. Since there is no need to take a detour, the space taken up is improved.

For example, among the conductor parts 18, 18', 18'', etc., for a conductor part that needs to be branched using the connector 4, the terminal accommodating chamber of the connector 4 corresponding to the passage of the conductor part that requires the branching is used. 9 to terminal 1
7 and bring the terminal 17 into contact with the conductor part.

In addition, for conductors that simply need to pass through the connection points without requiring branching, the terminals 17 can be left empty without inserting the terminals 17 into the terminal accommodating chambers 9 of the connector 4 corresponding to the passages of the conductor sections. It's okay.

On the other hand, the arrangement of instruments provided in the casing 2 can also be freely arranged.

As described above, the present invention has great effects.

[Brief explanation of the drawing]

The drawings show an example of the present invention, FIG. 1 is a perspective view showing a conventional example, and FIG. 2 is a perspective view of a conventional example.
FIG. 3 is a perspective view showing the relationship between the support column and the connector in the first embodiment; FIG.
The figure is a diagram showing a state in which the connector is supported by the support in the first embodiment, and FIG. 5 is a perspective view showing the relationship between the support and the connector in the second embodiment.
FIG. 6 is a perspective view showing the state in which the connector is supported by the support column in the second embodiment, FIG. 7 is a sectional view of the connector in the state where the terminal is accommodated, and FIG.
The figure is a perspective view of the terminal, Figure 9 is a plan view of the FPC attachment surface of the casing according to the present invention, and Figures 10A and B are diagrams showing the state in which the connector is connected to the conductor part of the FPC by wiping. . 1,1'...Strut, 2...Casing, 3...
Flexible printed wiring board, 4... Connector, 6... Support part, 17... Terminal, 18, 18',
18″...Conductor.

Claims (1)

[Claims] 1. A connector is supported on a pair of supports juxtaposed on the flexible printed wiring board attachment surface of the casing, and the connector is rotated using the supporting parts as a fulcrum, and the terminals protruding from the connector are attached to the flexible printed wiring board. A connection device between a flexible printed wiring board and a connector, which is characterized by being pressed into contact with a conductor part.