JP3396598B2 - Connector housing for rigid circuit board - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hard-circuit-board connector housing provided on a hard-circuit board mounted on the rear surface of a meter case in a vehicle-mounted combination meter also as a back plate.

[0002]

2. Description of the Related Art FIGS. 5 and 6 show a conventional connector housing 100 for a rigid circuit board. This connector housing 100 has a recess 1 into which an external connector (not shown) is fitted.
Connector part 102 having 01 and this connector part 10
A base 103 whose lower part is opened at the base end of 2 and which is integrally formed in a reverse concave shape and whose inside is partitioned by a partition wall 104.
And projecting one end 106 into the recess 101,
The intermediate portion 107 is held by the connecting portion 109 between the connector portion 102 and the base 103, and the other end 108 is projected to the outside of the base 103 through the space portion partitioned by the partition wall 104 of the base 103. The connection terminal 105 is provided so as to be roughly configured.

Brackets 110 projecting laterally are formed on both sides of the base 103, and the connection terminals 105 are formed.
Are provided in correspondence with the number and the formation interval of the circuit conductors 202 forming the end portion 201 of the circuit pattern printed and formed on the hard circuit board 200. The plurality of connection terminals 105 are provided independently of each other by the partition wall 104. The conductor 202 is provided on the other end 108 of the connection terminal 105.
Is formed with a connection portion 108a electrically connected to.

The connector housing 100 is screwed into the screw hole 301a of the boss portion 301 which is inserted into the screw insertion holes 110a and 200a formed in the bracket 110 and the hard circuit board 200, respectively, and which is projectingly formed on the rear surface of the meter case 300. The hard circuit board 200 and the hard circuit board 200 are fastened together by the fitting screws 400 and attached. In this attached state, the connection portion 108a of each connection terminal 105 elastically abuts on each circuit conductor 202 forming the end portion 201 of the circuit pattern to electrically connect to the circuit pattern.

[0005]

However, the hard circuit board connector housing 100 is, as described above, a dedicated body for the hard circuit board 200 and the meter case 300.
Is formed separately from the connector housing 100.
There is a problem in that an extra molding step is required, which leads to a reduction in workability, and a special die and the like are also required, which causes an increase in cost.

Therefore, the present invention provides a connector housing for a hard circuit board, which is capable of improving workability and reducing costs by constructing the connector housing in a normal process of mounting the hard circuit board on the meter case. Is intended.

[0007]

In order to achieve the above object, the invention according to claim 1 has an opening formed in a part of a hard circuit board mounted on the back surface of the meter case also as a back plate, Corresponding to this opening, a recess formed so that an external connector can be attached to the meter case, and one end connected to the end of the circuit pattern printed on the rigid circuit board facing the opening and the other end It is characterized by comprising a connection terminal arranged in the recess and electrically connected to a terminal of an external connector mounted in the recess.

Therefore, according to the first aspect of the invention, the connector housing can be constructed by the usual process of assembling the rigid circuit board with the connection terminals connected to the meter case.

According to a second aspect of the present invention, there is provided the connector housing for a hard circuit board according to the first aspect, in which the connection terminal has a pattern in which a plurality of conductors are aligned with end portions of the circuit pattern and the flexible resin is formed. It is characterized by being composed of a flat wire that is attached to the film.

Therefore, according to the second aspect of the present invention, the connector housing can be constructed by the usual process of assembling the rigid circuit board to which the flat wire is connected to the meter case.

According to a third aspect of the present invention, in the connector housing for a hard circuit board according to the first aspect, the connection terminal is formed along an inner side surface of the recess, and is provided at an end of the circuit pattern. It is characterized in that it is composed of a plurality of molded conductors provided along the inner surface of the recess in a matching pattern.

Therefore, according to the third aspect of the present invention, the connector housing can be formed by the usual process of assembling the rigid circuit board having the plurality of molded conductors connected to the meter case.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. The same components as those shown in FIGS. 5 and 6 are designated by the same reference numerals.

1 to 3 show a rigid circuit board connector housing 1 as a first embodiment.

The connector housing 1 has an opening 2 formed in a part of a hard circuit board 200 mounted on the back surface of the meter case 300 also as a back plate, and the meter case 300 corresponding to the opening 2. The concave portion 3 in which the external connector 50 can be mounted is attached to one end 5a and the other end 5b is connected to the end portion 201 of the circuit pattern (not shown) printed on the hard circuit board 200 which faces the opening 2. The terminal 5 of the external connector 50 arranged in the recess 3 and mounted in the recess 3.
1 and a flat wire 4 as a connection terminal electrically connected to the terminal 1.

The meter case 300 is a combination meter case in which, for example, a speedometer, a tachometer, a water temperature gauge, a fuel gauge, etc. (not shown) are incorporated. The hard circuit board 200 is formed by printing a circuit pattern for electrically connecting to the above-mentioned instruments such as a speedometer on the surface thereof, and the external connector 50 is electrically connected to the hard circuit board 200. Is attached to the meter case 300 so as to supply an electric signal and power to the instruments and indicators inside the meter case 300 via the circuit pattern.

The opening 2 is formed as a substantially rectangular through hole wider than the pattern width of the end 201 at a position where the end 201 of the circuit pattern of the hard circuit board 200 faces. Further, the concave portion 3 has an opening 2 as shown in FIG.
Corresponding to the vertical wall 3a having the locking projection 3c formed therein and the stepped wall 3b facing the vertical wall 3a, and formed at the same time when the meter case 300 is formed as a part of the meter case 300. It

The flat wire 4 has a plurality of conductors 5, 5, ... As shown in FIG.
The flexible resin films 6 and 7 are adhered to each other in a pattern conforming to 1.

That is, the conductor 5 is configured to have a narrow one end 5a and another end 5b which is continuous with the one end 5a and is longer than the one end 5a (FIG. 2 (a)). . In the flat wire 4, a plurality of the conductors 5 described above are arranged in parallel in correspondence with the number of circuit conductors 202 forming the end portion 201 of the circuit pattern and the formation interval, and the conductors 5, 5, ... The flexible resin film 6 and the narrow-width flexible resin film 7 are sandwiched and adhered to each other (FIG. 2B). Each of the conductors 5 in the flat wire 4 thus configured exposes both ends of the tip portion of the one end 5a, covers one end of the other end 5b with the wide flexible resin film 6, and exposes most of the other end. Let me stick it.

In the flat wire 4, one end 5a of the flat wire 4 is punched in the hard circuit board 200 in a state where the exposed surface of the other end 5b of the conductor 5 faces upward, corresponding to the tip position of each circuit conductor 202. The hard circuit board 200 is inserted into a mounting hole (not shown) provided from the back surface side so as to project to the front surface side, and the projecting portion of this one end 5a is soldered 8 to be connected to each circuit conductor 202, and One end 5a and the other end 5b
Is bent substantially at a right angle, and the other end 5b is bent downward at a portion corresponding to a corner of the stepped wall 3b of the recess 3 and the tip end portion thereof is obliquely arranged in the recess 3. Attached (see FIG. 3A).

Such a mounting structure of the flat wire 4 can be easily carried out by mounting the hard circuit board 200 on which the flat wire 4 bent and formed into a desired shape is mounted on the meter case 300 according to a usual process. Can be obtained. The hard circuit board connector housing 1 thus obtained can be fitted with an external connector 50 as shown in FIG.

That is, the external connector 50 has a connector portion 50a having an elastic terminal 51 protruding from one side and a lock claw 50b provided on the other side. The connector portion 50a is provided on the hard circuit board. The connector housing 1 can be fitted by being pushed into the concave portion 3 through the opening 2 of 200. Pushing into the recess 3
The other end of the conductor 5 of the flat wire 4 in the state where the connector portion 50a is oriented so that the lock claw 50b and the terminal 51 are located on the lock protrusion 3c and the flat wire 4 side, respectively (FIG. 3A). This is performed while bending the portion on the 5b side downward. By this pushing, the locking claw 50b of the external connector 50 is engaged with the locking projection 3c to prevent the external connector 50 from coming off, and the terminal 51 is flat between the connector 50a and the vertical portion of the stepped wall 3b. The other end 5b of the conductor 5 of the wire 4 is closely contacted and electrically connected to the other end 5b of the wire 4 (FIG. 3).
(B)). Thereby, the lead wire 60 of the external connector 50
And the circuit conductor 202 is electrically connected.

FIG. 4 shows a hard circuit board connector housing 10 as a second embodiment. The connector housing 10 has the same structure as the connector housing 1 described above except that a plurality of molded conductors 9 are used as connection terminals.

Like the conductor 5 of the flat wire 4, the molded conductor 9 has one end 9a connected to the circuit conductor 202 and the other end 9b electrically connected to the terminal 51 of the external connector 50.
A wire rod made of, for example, a tin-plated brass material having a is formed by press molding along the inner surface of the stepped wall 3b of the recess 3. Then, in the plurality of molded conductors 9 configured as described above, each one end portion 9a is connected to each circuit conductor 202 that constitutes the end portion 201 of the circuit pattern by soldering 8 as in the connector housing 1, and each other end portion The connector housing 10 is formed by aligning the portion 9b with the pattern of the end portion 201 and along the inner surface of the stepped wall 3b of the recess 3.

The connector housing 10 thus constructed can also be easily obtained by mounting the rigid circuit board 200, to which a plurality of molded conductors 9 are mounted, in the same manner as the connector housing 1 on the meter case 300 according to a normal process. it can.

As described above, the connector housings 1 and 10 in the first and second embodiments do not constitute the connector housing as a dedicated body, but in a normal process of mounting the hard circuit board 200 on the meter case 300. Since the housing is configured, it is possible to improve workability by eliminating the conventionally required molding process of the connector housing itself, and it is also possible to reduce costs by not requiring a dedicated mold or the like. be able to.

[0027]

As described in detail above, according to the present invention, the following effects can be obtained.

That is, according to the invention of claim 1,
Since the connector housing can be constructed by the normal process of assembling the hard circuit board with the connection terminals connected to the meter case, the molding process of the connector housing itself and a dedicated mold are unnecessary, and the workability is improved. It is possible to reduce the cost together.

According to the second aspect of the invention, since the connector housing can be constructed by the normal process of assembling the rigid circuit board to which the flat wire is connected to the meter case, the invention of the first aspect can be achieved. Similarly, workability can be improved and cost can be reduced.

According to the third aspect of the present invention, the connector housing can be formed by the usual process of assembling the rigid circuit board having a plurality of molded conductors connected to the meter case. Similar to the invention of (1), workability can be improved and cost can be reduced.

[Brief description of drawings]

FIG. 1 is a connector housing for a hard circuit board according to a first embodiment of the present invention, (a) is a plan perspective view thereof, and (b) is a plan view thereof.

2 is a flat wire used in the connector housing for a rigid circuit board of FIG. 1, (a) is a plan view thereof, and (b) is a sectional view taken along line IIb-IIb of (a).

3A and 3B are operation explanatory views of the connector housing for the hard circuit board of FIG. 1, FIG. 3A shows before the external connector is fitted, and FIG. 3B shows after the external connector is fitted.

FIG. 4 is a connector housing for a hard circuit board as a second embodiment of the present invention, (a) is a plan view thereof,
(B) is the sectional view.

FIG. 5 is an exploded perspective view of a conventional rigid circuit board connector housing.

FIG. 6 is a sectional view of the hard circuit board connector housing of FIG. 5 in an exploded state.

[Explanation of symbols]

1,10 Connector housing for rigid circuit board 2 openings 3 recess 4 flat wire 5 conductors 6,7 Flexible resin film 9 Molded conductor 50 external connector 51 terminals (of external connector) 200 rigid circuit board 201 Edge (of circuit pattern) 300 meter case

Claims (3)

(57) [Claims] 1. An opening formed in a part of a hard circuit board mounted on the back surface of the meter case also as a back plate, and an external connector corresponding to the opening so that an external connector can be mounted on the meter case. One end is connected to the recess and the end of the circuit pattern printed on the rigid circuit board facing the opening, and the other end is disposed in the recess and electrically connected to the terminal of the external connector mounted in the recess. A connector housing for a hard circuit board, which comprises a connection terminal that is electrically connected. 2. The rigid circuit board connector housing according to claim 1, wherein the connection terminals are electrically connected to an end of the circuit pattern facing the opening and a terminal of an external connector. A connector housing for a hard circuit board, characterized in that the flat wire is formed by adhering to a flexible resin film in a pattern that matches the end of the circuit pattern. 3. The connector housing for a hard circuit board according to claim 1, wherein the connection terminal is formed along an inner side surface of the recess and has a pattern that matches an end of the circuit pattern. A hard circuit board connector housing comprising a plurality of molded conductors provided along a side surface.