JPH0129749Y2 - - Google Patents

Description

[Detailed description of the invention] "Industrial application field" This invention connects a common wiring formed on a printed wiring board to one of two electric wires in a wire harness, and The invention relates to a connector used to form a circuit.

``Prior Art'' Conventionally, for example, a fog lamp circuit for an automobile has been constructed by connecting a printed wiring board provided at the intermediate portion of a wire harness to a common wiring board formed on the printed wiring board, depending on the specifications of the destination. Connect the wiring to one of the two wires built into the wire harness to create one of two circuits such as "fog lamp on when the head lamp is low" or "fog lamp on when the ignition is on." need to be selectively connected.

Conventionally, when forming a circuit in one of the above two ways, the electric wire connected to the wiring of the printed wiring board and the corresponding electric wire are connected to each other in the wire harness.

"Problems to be solved by the invention" According to the conventional circuit forming means described above, the circuit is formed within the wire harness.
It is difficult to correct incorrect connections (selecting the wrong two circuits) or change the selection of the circuits, and in addition, the circuits are fixed when forming the wire harness.
There are problems such as not being able to select the circuit after the automobile is completed. Further, when molding the wire harness, the corresponding electric wires are connected in advance, which increases the number of molding steps and increases the number of parts of the wire harness.

The purpose of the present invention is to provide a connector with a new structure that solves the above-mentioned conventional problems.

"Means for Solving Problems" The present invention provides a method for assembling and connecting wiring formed on a printed wiring board to a wire harness via a connector, with the leading end being accommodated in the connector and the rear end base being connected to the printed wiring board. It was developed with a focus on the use of connection terminals installed upright on boards, and its gist is ``A common terminal with an exposed portion is provided at the end of a common wiring formed on a printed wiring board. , On both sides of the common terminal, one connection terminal is provided with exposed portions arranged in parallel at equal intervals, and the tips of these three terminals are connected to the connector housing fixed to the printed wiring board. While being accommodated, the connector housing is connectable to the connector housing on the wire harness side, and furthermore, the exposed portions of the three terminals include:
A connecting connector is provided that has a connecting terminal between two poles and is detachably attached to the parallel exposed portion from two directions, and by attaching the connecting connector in the forward and reverse directions, the common terminal and the two The wire harness is characterized by a structure in which a common wiring on the printed wiring board is connected to one of the two electrical wires in the wiring harness to form a circuit.

"Function" According to the connector of the present invention described above, by selecting whether the connector is attached in the forward or reverse direction, the common wiring on the printed wiring board can be incorporated and connected to the wire harness, and a circuit can be formed alternatively.

"Example" Hereinafter, a detailed explanation will be given with reference to an example. First, in FIGS. 1 and 2 showing one embodiment, a plate-shaped common terminal 2 embedded in a wiring 5 formed on the printed wiring board 1 is exposed on one side edge of the printed wiring board 1. In addition, two plate-shaped connection terminals 3A, 3B are exposed and erected in parallel on both sides of the common terminal 2 at equal intervals P, and the common terminal 2 and the connection terminals 3A, 3B are aligned and curved into an L shape,
The tips of these three terminals are housed in a male connector housing 7 fixed to the printed wiring board 1 via attachment portions 6. The male connector housing 7 receives and couples the female connector housing 8 that accommodates the wire group 10 pulled out from the wire harness, connects the terminals housed in the male and female connector housings 7 and 8, and connects the common terminal 2 and the wires. It is configured to connect and conduct the necessary electric wires 10 of the harness.

Then, the common terminal 2 and the connecting terminals 3A and 3B
The exposed part of the terminal group has a two-pole connection terminal 16 that conducts between the two poles of the terminal group, and can be accessed from the left side or right side of the exposed part of the parallel terminal group from two directions, forward and reverse. A connecting connector 9 is provided which is detachably attached and connects the terminal group from above and below to connect the common terminal 2 and either of the connecting terminals 3A, 3B.

Specifically, the connector 9 has a "scissor shape" in which a main body part 11 and a cover part 12 are bendably connected via a hinge 13, and the main body part 11 has a length that crosses the lower surface of the common terminal group. In addition to having
A bifurcated two-electrode connecting terminal 16 is inserted into a recess 14 on the upper surface near the hinge 13. That is, 2
The interelectrode connecting terminal 16 is connected to the common terminal 2 and the connecting terminal 3A,
The connecting portion 18 connects two thin leaf spring-like contact portions 17A and 17B with a pitch P equal to the distance P between the connecting portion 18 and the
It is press-fitted into the recess 14 at both ends thereof.
A locking pawl 20 is formed at the tip of the main body portion 11 of the connector 9, and a locking portion 19 that engages with the locking pawl 20 is formed at the tip of the lid portion 12.

The above connection connector 9 has three terminal groups, the common terminal 2 and the connection terminals 3A and 3B, on the left side of the illustration A,
Or installed from either the right side of illustration B,
When the lid part 12 is closed and the locking claw 20 and the locking part 19 are engaged and locked, the upper and lower surfaces of the terminal group are clamped, as shown in FIG. In addition, the contact portions 17A, 17 of the connection terminal 16 between two poles
B is the common terminal 2 and connection terminal 3 located in the center.
It is configured to be press-connected to either A or 3B and conductive. Note that 15 in the figure is a groove for receiving the remaining connection terminal 3A or 3B that is not connected and conductive, and 4 is another terminal to which the connection connector 9 is not attached.

Next, FIGS. 3 and 4 show another embodiment of the present invention, in which a common terminal 2 having the same structure as the embodiment described above is shown.
A common terminal 2 is provided on both sides of the rear end of the male connector housing 7, which accommodates the ends of the connection terminals 3A and 3B.
Plate-shaped attachment parts 21A and 21B are protruded so as to surround both sides (of the exposed part) of the three terminal groups such as,
A locking pawl 20 is provided on the outside of each of the attachment portions 21A and 21B. And the connection connector 9
constitutes a lid that covers the three groups of terminals, and on the back side of the lid, as shown in FIG. Arm-shaped locking portions 19 are formed on both sides of the lid body to engage with locking claws 20. and,
The connector 9 is detachably attached to the cover from either the forward direction of 9' shown in the figure, or the opposite direction of 9'' shown rotated by 180 degrees from the normal direction, and is connected to the common terminal 2.
and one of the connection terminals 3A and 3B are configured to be mutually electrically connected.

According to the connector of the present invention having the above configuration, the connecting connector 9 is installed on the rear exposed terminal group of the connector housing 7 for wire harness connection provided on the printed wiring board 1 to form a required circuit, and the connecting connector Only by selecting the forward and reverse directions of the wire harness 9, it is possible to freely form one of two types of wire harness circuits that share the printed wiring 5 on the printed wiring board 1.

``Effect of the invention'' Therefore, according to the connector of the invention, it is extremely easy to correct incorrect connections and change circuits, and
After completion, it becomes possible to freely select and form the necessary circuits, which has the effect of providing freedom of selection of the circuits. Since connections for forming the circuit are made on the printed wiring board, electrical wire connections within the wire harness are omitted, which has the advantage of reducing the number of steps for forming the wire harness and the number of parts.

[Brief explanation of drawings]

Fig. 1: A perspective view showing a connector according to one embodiment of the present invention, Fig. 2: A perspective view showing the usage state of the embodiment shown in Fig. 1, Fig. 3: A perspective view showing a connector according to another embodiment of the present invention. , FIG. 4: A perspective view showing the back side of the connector of the embodiment in FIG. 3. Main symbols: 1...Printed wiring board, 2...Common terminal, 3A, 3B...Connection terminal, 5...Printed wiring,
7...male connector housing, 8...female connector housing, 9...connection connector, 11...
Main body, 12... Lid, 13... Hinge, 14...
...Recessed portion, 16...Connection terminal between two poles, 17A, 17
B... Contact portion, 18... Connection portion, 19... Locking portion, 20... Locking claw.

Claims (1)

[Scope of utility model registration request] In forming a circuit alternatively by connecting a common wiring on a printed wiring board and one of two electric wires in a wire harness, a common terminal having an exposed portion is provided at the wiring end. On both sides of the common terminal, one connecting terminal is arranged in parallel with the exposed portions spaced at equal intervals, and the tips of the three parallel terminals are connected to the connector housing fixed to the printed wiring board. At the same time, the connector housing is connectable to the connector housing on the wire harness side, and further, the exposed portion of the three terminals has a connecting terminal between two poles, and the exposed portion has a connecting terminal between two poles. 1. A connector characterized by having a structure in which a connecting connector is provided that can be attached and detached from two directions, forward and reverse, and the common terminal and one of the connecting terminals are connected by attaching the connecting connector in the forward and reverse directions.