JPH0747809Y2 - Connector wiring structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION << Industrial Application Field >> The present invention relates to a connection structure of a connector for a shielded electric wire used in each electronic control device or the like.

<< Prior Art >> In the conventional connector of this type, as shown in FIG. 8, the outer coating g at the tip of the shielded electric wire a is peeled off to separate it into a shield b and a signal line c. The wire is connected to the contact terminal e of the connector body d, and the traffic signal c is connected to the contact terminal f of the connector body d by a wire connection method such as press contact.

<< Problems to be Solved by the Invention >> However, in the above-mentioned conventional example, the shield b is formed into a single wire and connected to the contact terminal e of the connector body d, and
It is necessary to separately connect the shield b and the signal line c to the contact terminals e and f so that the signal line c is connected to the contact terminal f of the connector body d by pressure connection or the like. It was difficult to make continuous and automated. Also,
Since the shield of the signal line c was released, the shield effect was equal.

The present invention has been made in view of the above circumstances,
It is an object of the invention to provide a connector wiring structure that facilitates continuation and automation of the wiring work and improves the shielding effect.

<Means for Solving the Problems> In order to achieve the above object, the present invention is to crimp a shield wire crimping portion for crimping a shield wire crimping portion and a shield wire sheath for crimping a contact holding portion and a shield wire of a shield wire to a shield outer tubular member. A sheath crimping portion is provided, and a core wire connecting portion for connecting the core wire of the shielded electric wire to the core wire contact and a core wire covering crimping portion for crimping the core wire coating of the shielded electric wire are provided, and an insulator is provided in the contact holding portion of the shield outer tubular member. The core wire contact is accommodated and held through, the shield wire of the shielded wire is molded with conductive resin, the sheath of the shielded wire is positioned in the sheath crimping part, and the shielded wire molded with conductive resin is positioned in the shield wire crimping part. Align the core wire of the shielded wire with the core wire connection part of the core wire contact, and place the core wire cover on the cover crimping part of the core wire contact. They are placed and connected to each other.

<< Operation >> According to this configuration, the shielded wire is hardened by the conductive resin, and the outer shape of the conductive resin can be formed in the shape of the crimping portion to improve the crimping property. Position the sheath on the sheath crimp section,
Position the shielded wire molded with conductive resin in the shielded wire crimping part, position the core wire of the shielded wire in the core wire connection part of the core wire contact, and position the core wire coating in the coating crimping part of the core wire contact and It will be possible to connect to. For this reason, it is possible to wire a large number of connectors, and automation becomes possible. Further, the shielded wire of the shielded electric wire is doubly shielded by the conductive resin and the shielded wire crimping portion of the shield outer cylinder member, and the shield effect is improved.

<< Embodiment >> The present invention will be described below with reference to FIGS. 1 to 7.

1 is a perspective view of a connector before connection, FIG. 2 is an exploded perspective view of an electric contact terminal, and FIG. 3 is a perspective view of a core wire contact.
FIG. 4 is a perspective view showing a state where a shielded wire of a shielded wire is molded with a conductive resin, FIG. 5 is a sectional view of the same, and FIG. 6 is an explanatory view showing a state where the shielded wire is crimped to an electric contact. .

The connector A comprises a female connector B and a male connector C, and the female connector B comprises a housing D provided with an electrical contact terminal 1.

The electric contact terminal 1 is composed of a shield outer cylinder member 3, an insulator 4 and two core wire (signal wire) contacts 5.

The shield outer tubular member 3 is divided into three regions, and is composed of a tubular contact holding portion 7, a shield wire crimping portion 6, and a sheath crimping portion 8. Jig insertion ports 10a, 10b facing the upright direction of the piece
Is formed. The shield wire crimping portion 6 is provided with crimping pieces 9, 9 which are erected in a U shape, and the sheath crimping portion 8 is U-shaped.
It is provided with crimping pieces 11, 11 standing up in a letter shape.

The core wire contact 5 includes a contact body 14 and a core wire crimping portion.
It consists of 15 and core wire covering crimping part 16. Contact body
14 is a pin shape, the core wire crimping portion 15 is provided with crimping pieces 17, 17 standing up in a U shape, and the core wire covering crimping portion 16 is U-shaped.
It is provided with crimping pieces 18, 18 standing up in a letter shape.

Then, two signal line contacts 5 are housed and held in parallel in the contact holding portion 6 of the shield outer tubular member 3 via the insulator 4, and the core wire crimping portion 15 and the core wire covering crimping portion of the signal wire contact 5 are accommodated. The portion 16 is located in the jig insertion openings 10a, 10a provided in the contact holding portion 6.

In order to connect the shielded electric wire 2 to the electric contact terminal 1, first, the tip end portion of the shielded electric wire 2 is processed as shown in FIG. 2 to expose the shielded wire 22 from the sheath 21 and the cored wire from the shielded wire 22. Exposing the coating 23, and further coating the core wire
The core wire 24 is exposed from 23.

Next, the connection of the shield wire 2 to the electric contact terminal 1 will be described.

First, the shielded wire 22 at the tip of the shielded electric wire 2 is molded with a conductive resin 30 as shown in FIGS. 4 and 5.
Therefore, the shielded wire 22 is hardened by the conductive resin 30, and the outer shape of the conductive resin 30 is circular so that the pressure-bonding property is improved. Then, the core wire 24 of the shielded electric wire 2 is sandwiched between the core wire crimping portions 17, 17 of the core wire contact 5, the core wire covering 23 is sandwiched between the crimping pieces 18, 18 of the core wire covering crimping portion 16, and the shield wire crimping portion of the shield outer tubular member 3 is formed. A shield wire 22 molded with a conductive resin 30 is placed inside the sheath 6, and the sheath crimp portion 8 is crimped.
Insert the sheath 21 between 11 and 11, and press the anvils 24a and 2 which are crimping jigs for core wire contact as shown in FIG.
4b and the clampers 25a and 25b, and further using the anvils 26a and 26b and the clampers 27a and 27b, which are crimping jigs dedicated to the shield wire and the sheath, and the core wire 24 to the crimping pieces 17 and 17
Then, the core wire coating 23 is crimped with the crimping pieces 18 and the shielded wire 22 molded with the conductive resin 30 is crimped with the shielded wire crimping portion 31.
At 33, the sheath 21 is crimped at once with the crimping pieces 34 of the sheath crimping portion 32. That is, the anvil 24 which is a crimping jig.
a through the jig insertion port 10a and the clamper 25a
To the jig insertion port 10b and crimp pieces 17, 1
7 is pressed, the core wire 24 is crimped with the crimping pieces 17, 17, and further,
The core wire covering 23 is crimped by the crimping pieces 18, 18 of the core wire covering crimping portion 16 using the anvil 24b and the clamper 25b which are the crimping jigs. At the same time, the shielded wire molded with the conductive resin 30 by the crimping pieces 9, 9 of the shielded wire crimping portion 6 using the anvils 26a, 26b and the clampers 27a, 27b which are crimping jigs.
The shield wire 2 is connected to the electric contact terminal 1 by crimping the sheath 21 with the crimping pieces 11, 11 of the sheath crimping portion 8 respectively.

In this embodiment, the shielded wire 22 of the shielded electric wire 2 is doubly shielded by the conductive resin 30 and the shielded wire crimping portion 6 of the shielded outer tubular member 1, and the shielding effect is improved.

The core wire connecting portion of the core wire contact 5 may be a core wire pressure contact portion. In this case, the clamper 25a becomes unnecessary, and the core wire 24 of the shielded wire 2 remains covered with the core wire coating 23.

<Effects of the Invention> As described above, the present invention provides the shield outer cylinder member with the contact holding portion and the shield wire crimping portion for holding and crimping the shield wire of the shielded electric wire and the sheath crimping portion for crimping the sheath of the shielded electric wire. Provided with a core wire connecting part for connecting the core wire of the shielded wire to the core wire contact and a core wire covering crimping part for crimping the core wire coating of the shielded wire, and accommodating the core wire contact via an insulator in the contact holding part of the shield outer cylinder member. Hold the shielded wire of the shielded wire with conductive resin, position the sheath of the shielded wire in the sheath crimp section, position the shielded wire with conductive resin in the shield wire crimp section, and connect the core wire of the core wire contact. Position the core wire of the shielded electric wire, and position the core wire coating on the cover crimping part of the core wire contact to connect them. Since it has been continued, the shielded wire is hardened by the conductive resin, and the outer shape of this conductive resin can be formed in the shape of the crimping part to improve the crimping property. Moreover, the sheath of the shielded wire is sheath-crimped. The shielded wire molded with a conductive resin in the shielded wire crimping part, the core wire of the shielded wire is located in the core wire connecting part of the core wire contact, and the core wire coating is located in the cover crimping part of the core wire contact. It becomes possible to connect each at once. For this reason, it is possible to wire a large number of connectors, and automation becomes possible. Further, the shielded wire of the shielded electric wire is doubly shielded by the conductive resin and the shielded wire crimping portion of the shielded outer tubular member, and the shield effect is improved.

[Brief description of drawings]

1 is a perspective view of a connector before connection, FIG. 2 is an exploded perspective view of an electric contact terminal, and FIG. 3 is a perspective view of a core wire contact.
FIG. 4 is a perspective view showing a state in which a shielded wire of a shielded wire is molded with a conductive resin, FIG. 5 is a sectional view of the same, and FIG. 6 is an explanatory view showing a state of crimping the shielded wire to an electric contact. FIG. 7 is a perspective view showing a state in which a shielded electric wire is crimped to an electric contactor, and FIG. 8 is a perspective view of a conventional connector wiring structure. 1 ... Electrical contact terminal, 2 ... Shielded wire, 3 ... Shield outer cylinder member, 4 ... Insulator, 5 ... Core wire contact,
7 ... Shield crimping part, 8 ... Shield wire mounting part, 14 ...
… Sheath crimping part, 15 …… Core wire crimping part (core wire connecting part), 16
...... Core wire coating crimping part, 21 …… Sheath, 23 …… Core wire coating,
24: Core wire, 30: Conductive resin.

Claims (1)

[Scope of utility model registration request] 1. A shield outer cylinder member is provided with a contact holding portion and a shield wire crimping portion for holding and crimping a shield wire of a shielded electric wire and a sheath crimping portion for crimping a sheath of the shielded electric wire, and a core wire of the shielded electric wire is provided in a core wire contact. The core wire connection part to be connected and the core wire cover crimping part for crimping the core wire coating of the shielded wire are provided, and the core wire contact is accommodated and held in the contact holding part of the shield outer cylinder member via the insulator, and the shielded wire of the shielded wire is electrically conductive. The sheath of the shielded wire by molding with a conductive resin and the sheathed wire in the sheath crimping part, the shielded wire by molding with conductive resin in the shielded wire crimping part, and the core of the shielded wire in the core wire connection part of the core contact. , A connector characterized in that the core wire coating is positioned on the coating crimping portion of the core wire contact and each is connected. Line structure.