JP3965837B2 - connector - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connector incorporating an electronic component.
[0002]
[Prior art]
Conventionally, when an electronic component such as a sensor is interposed in a wire harness, a lead wire is drawn out from a predetermined wire in a group of wires constituting the wire harness, and the electronic component is connected thereto.
[0003]
[Problems to be solved by the invention]
That is, conventionally, there is a problem that the structure is complicated and the wiring work of the harness is troublesome, for example, it is necessary to bother to draw out the lead wire and to prepare a member for supporting the electronic component outside.
The present invention has been completed based on the above circumstances, and an object of the present invention is to provide a connector suitable for use when an electronic component is interposed in a wire harness.
[0004]
[Means for Solving the Problems]
Connector according to the invention 請 Motomeko 1, two terminal fitting male tab is provided on both ends in the longitudinal direction, are arranged parallel to each other in the form of being divided is between the male tabs respectively, next to each side The base ends of the mating male tabs are connected to each other by a first bridge, and one side edges of both first bridges are connected to each other by a second bridge, and an electronic component is passed to both the first bridges and molded. Thereafter, both the first bridge and the second bridge are cut at halfway positions to form a primary molded product in which two male tabs protrude on both sides. It is characterized by being incorporated in a connector housing formed by molding .
[0005]
[Action and effect of the invention]
<Invention of Claim 1>
Since the electronic component is built in the connector used to connect the wire harness, the structure is simplified and the number of components can be reduced, and the assembly and wiring work of the wire harness can be simplified. In particular, the molding is performed until the final stage, which is advantageous for waterproofing.
[0006]
By forming the primary molded product into a shape with male tabs protruding on both sides, it is possible to form a connector having male connector parts facing the male tabs on both sides of the connector housing. it can. In this case, in the primary molded product, the terminal fittings are arranged in a penetrating manner, and compared to the case where the terminal fittings are arranged in a U shape, depending on the orientation, it is a shape that is likely to be immersed in the electronic component housing position, Since the connector housing is formed by the secondary mold, it can be formed into a structure that is difficult to be submerged, and can also be formed into a structure that can be filled with a sealing material later, so that sufficient waterproofing can be achieved.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
In this embodiment, the relay connector with which the transmission of a motor vehicle, etc. are equipped is illustrated. First, the overall structure of this connector will be described. As shown in FIGS. 1 to 7, a connector housing 10 having a circular cross section is provided, and inner and outer connector portions 11 which are male on both end faces. , 12 are projected.
The outer connector portion 11 on the left side of FIG. 1 includes a relatively thin and horizontally long first hood portion 14 as shown in FIG. 2, and the inner connector portion 12 on the right side of FIG. As shown, the second hood portion 15 is provided which is relatively thick and has a slightly horizontally long rectangular shape.
[0008]
A total of ten terminal fittings 20A and 20B are embedded in the connector housing 10 in a penetrating manner so as to be aligned in two upper and lower stages. Eight of them are straight type terminal fittings 20A (see FIG. 4), and a narrow first tab 21 is formed on one end side and a wide second tab 22 is formed on the other end side. On the other hand, the two terminal fittings 20B arranged at the end portions in the alignment direction are similar in that a narrow first tab 21 is provided on one end side and a wide second tab 22 is provided on the other end side. However, as will be described in detail later, it is formed in a connected state during press molding, and a choke coil 25 is interposed.
[0009]
The first tabs 21 of the terminal fittings 20A and 20B described above protrude from the back surface of the first hood part 14 constituting the outer connector part 11, and the second tabs 22 of the second hood part 15 constituting the inner connector part 12 are provided. Projects from the back.
A seal ring 17 is fitted on the outer periphery of the connector housing 10 so as to pass through the inside and outside of the mounting hole of the casing (not shown) in a watertight manner.
[0010]
Next, the connector manufacturing process will be described.
The two terminal fittings 20B provided with the choke coil 25 are formed in a shape as shown in FIG. 8 at the time of press molding. That is, while the two terminal fittings 20B are arranged in parallel, the first tab 21 and the second tab 22 are separated from each other, and the proximal ends of the adjacent first tabs 21 and the proximal ends of the second tabs 22 are separated from each other. Are connected by a first bridge 31. In each first bridge 31, a slit 34 is inserted from the opposite end edge to a little before the opposite end edge in the center portion in the width direction, and the first cut portion 35 (see the chain line in FIG. 9) ).
Further, one side surfaces of the first bridges 31 are connected by a second bridge 32, and a second cutting portion 36 (see also a chain line in FIG. 9) is set at the center of the second bridge 32.
[0011]
The choke coil 25 is formed in a block shape as shown in FIG. 8, and two connection legs 26 are provided on both edges of the bottom surface. The choke coil 25 is placed across the first bridges 31 as shown by chain lines in the figure, and the connecting legs 26 are respectively applied to both sides of the slit 34 and fixed by soldering to be electrically connected. The Since both the terminal fittings 20B are integrally coupled via the bridges 31 and 32, the choke coil 25 can be accurately positioned and fixed at a predetermined position.
[0012]
Next, primary molding is performed. In this case, the pair of terminal fittings 20B to which the choke coil 25 is connected is set in a primary molding die, and as shown in FIG. 9, mainly around the choke coil 25 and its soldered portion. A covering portion 38 made of synthetic resin is formed so as to cover. In this case, the second bridge 32 and the portion of the first bridges 31 provided with the first cutting portion 35 are in a state of protruding from the encapsulating portion 38.
From this state, the cut portions 35 and 36 of both the first bridge 31 and the second bridge 32 are cut off, and a primary molded product 40 as shown in FIG. 10 is formed. In the primary molded product 40, the two terminal fittings 20B are separated from each other, and the choke coil 25 is interposed in the middle.
[0013]
Subsequently, secondary molding is performed. In this case, the above-described primary molded product 40 and the eight straight type terminal fittings 20A are set in a secondary mold, and a synthetic resin material is filled and solidified in the cavity of the mold. As described above, the connector housing 10 including both the hood portions 14 and 15 is formed. Here, as shown in FIG. 5, the choke coil 25 is further embedded in the connector housing 10 while being covered with the encapsulating portion 38. Further, as shown in FIG. 4, the synthetic resin bites into the hole 23 opened in the middle of the straight type terminal fitting 20A, thereby preventing the straight type terminal fitting 20A from coming off.
[0014]
As shown in FIGS. 4 and 5, the first tab 21 of each terminal fitting 20 </ b> A, 20 </ b> B protrudes from the back surface of the first hood portion 14, and the second tab 22 protrudes from the back surface of the second hood portion 15. Thus, the outer connector portion 11 and the inner connector portion 12 are configured on opposite surfaces.
The first hood portion 14 constituting the outer connector portion 11 is filled with a sealing material 42 such as an epoxy resin and solidified to complete the relay connector.
[0015]
As described above, in the present embodiment, when the choke coil 25 is interposed in the middle of the wire harness, the choke coil 25 is built in the connector used for connecting the wire harness, and therefore the portion branched from the wire Compared with the case where the choke coil 25 is provided in the case, the structure becomes simple, and the assembly and wiring work of the wire harness are also simplified.
And since the connection part with the choke coil 25 and its terminal metal fitting 20B is embed | buried in the synthetic resin material by twice molding, reliable waterproofing can be expected.
[0016]
<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention, and further, within the scope not departing from the gist of the invention other than the following. Various modifications can be made.
(1) The present invention is not limited to the relay connector exemplified in the above embodiment, but can be similarly applied to a device direct connection type connector and a normal connector.
(2) In addition to the choke coil, the present invention can also be applied to cases where other electronic components such as sensors and registers are incorporated.
[Brief description of the drawings]
FIG. 1 is a front view of a connector according to an embodiment of the present invention. FIG. 2 is a left side view thereof. FIG. 3 is a right side view of the connector. FIG. 6 is a plan view of the connector. FIG. 7 is a sectional view taken along line AA in FIG. 6. FIG. 9 is a perspective view for explaining the soldering operation of the choke coil. ] Perspective view of completed primary mold [FIG. 10] Perspective view of primary molded product [Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 ... Connector housing 11 ... Outer connector part 12 ... Inner connector part 14 ... 1st food | hood part 15 ... 2nd food | hood part 20B ... Terminal metal fitting 21 ... 1st tab 22 ... 2nd tab 25 ... Choke coil (electronic component)
31 ... 1st bridge 32 ... 2nd bridge 35 ... 1st cutting part 36 ... 2nd cutting part 38 ... enveloping part 40 ... primary molded article

Claims (1)

Two terminal fittings provided with male tabs at both ends in the length direction are arranged in parallel to each other in a form in which the male tabs are separated from each other, and the base ends of adjacent male tabs on each side are first to each other. Connected by a bridge, and one side edges of both first bridges are connected by a second bridge,
After the electronic parts were passed over the first bridges and molded, both the first bridges and the second bridges were cut at halfway positions so that two male tabs protruded on both sides. A primary part is formed,
Connector this primary molded article, characterized in that it is incorporated in a connector housing formed by the secondary molding.

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