JP2507924Y2 - 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. 10, the outer coating g at the tip of the shielded electric wire a is peeled off to separate the shield b and the signal line c, and the shield b is The wire is connected to the contact terminal e of the connector body d, and the signal line 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 as a single wire and connected to the contact terminal e of the connector body d, and the signal line c is connected to the contact terminal f of the connector body d. It is necessary to separately connect the shield b and the signal line c to the contact terminals e and f so that they are connected to each other by a pressure connection method or the like, and since the signal line c is unshielded. The shield effect was almost equal.

The present invention has been made in view of the above circumstances,
An object of the present invention is to provide a connector connection structure capable of improving the shield effect and reinforcing the strength of the shielded wire to reliably prevent the shielded wire from coming off.

<< Means for Solving the Problem >> In order to achieve the above object, the present invention has a contact holding portion and a cylindrical shield wire mounting portion, and a shield wire mounting portion side of the contact holding portion, A shield outer cylinder member provided with a jig insertion opening opened in a direction perpendicular to the axis of the contact holding portion, and a core wire contact provided with a core wire connecting portion and a core wire covering crimping portion at an end of the contact body, The shield outer cylinder member is housed and fixed in the contact holding portion to hold the contact body of the core wire contact, and the core wire connecting portion and the core wire covering crimp portion of the core wire contact are positioned in the jig insertion opening. Insert the shield wire into the insulator and the shield wire mounting part of the shield outer cylinder member, and mount the shield wire of this shield wire to the shield wire mounting part. A shield wire crimping portion for connecting the core wire of the shielded electric wire to the core wire connecting portion, and superposing and crimping the shield wire mounting portion from the outside in a state where the core wire coating of the shield electric wire is crimped to the core wire coating crimping portion, and An external shield having a sheath crimping portion for crimping the sheath of the shielded electric wire is provided.

<< Operation >> Therefore, while inserting the shield wire into the shield wire mounting portion of the shield outer cylinder member and mounting the shield wire of the shield wire in the shield wire mounting portion and connecting the core wire of the shield wire to the core wire connecting portion, In a state where the core wire coating of the shielded wire is crimped to the core wire coating crimping portion, the shield wire crimping portion of the outer shield is externally overlapped and crimped to the shield wire mounting portion, and the sheath crimping portion of the outer shield is used. Since the sheath of the shielded electric wire is crimped, the shielded wire of the shielded electric wire is double shielded by the shielded wire mounting portion of the shield outer cylinder member and the shielded wire crimping portion of the outer shield, which not only improves the shielding effect. , The bond strength is reinforced.

Moreover, the sheath crimping portion of the outer shield crimps the sheath of the shielded wire, so that the shielded wire is prevented from coming off.

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

FIG. 1 is a perspective view of a connector before coupling, FIG. 2 is an exploded perspective view of an electric contact terminal, FIG. 3 is a perspective view of a core wire contact, and FIG. 4 is crimping a shield wire to the core contact of the electric contact terminal. FIG. 5 is an explanatory diagram showing a state, FIG. 5 is an explanatory diagram of an external shield crimping state, and FIG. 6 is an explanatory diagram showing a state in which a shielded electric wire is crimped to an electric contact.

The connector A has a female connector B and a male connector C. The female connector B is provided with an electrical contact terminal 1 in a housing D.

The electric contact terminal 1 includes a shield outer cylinder member 3 and an insulator 4.
And two core wire (signal wire) contacts 5 and external shield 6
Consists of

The shield outer cylinder member 3 is divided into two regions, and is composed of a cylindrical contact holding portion 7 and a cylindrical shield wire (outer conductor) mounting portion 8, and a rear portion of a peripheral portion of the contact holding portion 7 will be described later. Jig insertion ports 10a, 10 facing in the upright direction of the crimping piece (perpendicular to the axis of the contact holder 7)
b is formed.

The core wire contact 5 comprises a contact body 14, a core wire crimping portion 15 which is a core wire connecting portion, and a core wire covering crimping portion 16. The contact body 14 is pin-shaped, the core wire crimping portion 15 is provided with a crimping piece 17 standing up in a U shape, and the core wire covering crimping portion 16 is provided with crimping pieces 18, 18 standing up in a U shape. There is.

Then, two signal line contacts 5 are housed and held in parallel with each other in the contact holding portion 6 of the shield outer tubular member 3 via the insulator 4 to form the electric contact terminal 1. In this case, the core wire crimping portion 15 and the core wire covering crimping portion 16 of the signal line contact 5 are located in the jig insertion openings 10 a and 10 b provided in the contact holding portion 6.

The outer shield 6 is formed by connecting a shield wire crimping portion 11 and a sheath crimping portion 12, and the shield wire crimping portion 11 is provided with crimping pieces 13, 13 standing up in a U shape. It is provided with crimping pieces 14, 14 standing up in a U shape.

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.

The tip end of this shielded electric wire 2 is inserted from the shield wire mounting portion 8 side of the electric contact terminal 1, and the core wire 24 of the shielded electric wire 2 is crimped between the core wire crimping portions 17 of the core wire contact 5 and the core wire covering crimping portion 16. The core wire coating 23 is inserted between the pieces 18 and 18, and the shield wire 22 is inserted into the shield wire mounting portion 8 of the shield outer cylinder member 3, respectively, and as shown in FIG. 4, an anvil 24a which is a crimping jig for core wire contacts. , 24b and clampers 25a, 25b, the core wire 24 is crimped by the crimping pieces 17, 17 and the core wire coating 23 is crimped by the crimping pieces 18, 18 at a time. That is, the anvil 24a, which is a crimping jig, is inserted from the jig insertion opening 10a, the clamper 25a is inserted into the jig insertion opening 10b, and the crimping pieces 17, 17 of the core wire crimping portion 15 are pressed to form the crimping piece 1
The core wire 24 is crimped by 7, 17 and the core wire coating 23 is crimped by the crimping pieces 18, 18 of the core wire coating crimping portion 16 using the anvil 24b and the clamper 25b which are crimping jigs.

Next, as shown in FIG. 5, the outer shield 6 is applied to the shield wire crimping portion 11 to the shield wire mounting portion 8 and the sheath crimping portion 12 to the sheath 21 to form a crimping jig dedicated to the external shield. Anvils 26a, 26b and clamper 27
Using a and 27b, the shield wire mounting portion 8 is attached by the crimping piece 13 of the shield wire crimping portion 11, and the sheath is attached by the crimping piece 14 of the sheath crimping portion 12.
The shielded electric wire 2 is connected to the electric contact 1 by crimping the respective 21.

In this embodiment, the shield wire 22 of the shielded wire 2 is
Is double shielded by the shield wire mounting portion 8 of the shield outer tubular member 3 and the shield wire crimping portion 11 of the outer shield 6, and the shield effect is improved. Moreover, since the shield wire mounting portion 8 and the sheath 21 are crimped by the outer shield 6 to connect the shield outer cylinder member 3 and the shield wire 2, the shield wire 2 is prevented from coming off.

Another device is shown in FIGS. The same members as the members of the first invention described above are designated by the same reference numerals.

The electric contact terminal 1 includes a shield outer cylinder member 3, an insulator 4, two core wire (signal wire) contacts 5, and a sleeve 30.

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 31, and a sheath crimping portion 32. Jig insertion holes 10a, 1 facing the upright direction of the piece
0b is formed. The shield wire crimping portion 31 is U
Equipped with crimping pieces 33 that stand up in a letter shape, sheath crimping portion 32
Is provided with crimping pieces 34, 34 standing up in a U shape.

The core wire contact 5 comprises a contact body 14, a core wire crimping portion 15 which is a core wire connecting portion, and a core wire covering crimping portion 16. The contact body 14 is in the shape of a pin, the core wire crimping portion 15 is provided with crimping pieces 17, 17 which are erected in a U shape, and the core wire covering crimping portion 16 is provided with U-shaped erected crimping pieces 18, 18. I have it. The sleeve 30 is a hollow cylinder.

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 part 16 is the contact holding part 6.
It is located in the jig insertion ports 10a and 10b provided in the.

In order to connect the shielded electric wire 2 to the electric contact terminal 1, first, the tip portion of the shielded electric wire 2 is processed as shown in FIG. 7 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.

The tip portion of the shielded electric wire 2 is inserted into the sleeve 30, and the sleeve 30 is fitted onto the shielded wire 22 of the shielded electric wire 2. And, the core wire crimping portion 17 of the core wire contact 5,
The core wire 24 of the shielded electric wire 2 between 17 and the crimping pieces 18 of the core wire covering crimping portion 16, the core wire covering 23 between 18 and the shield wire crimping portion 31 of the shield outer tubular member 3 were fitted to the sleeve 30. The shield wire 22 is inserted into the sheath crimping portion 34, and the sheath 21 is inserted into the sheath crimping portion 34. As shown in FIG. 8, anvils 24a and 24b and clampers 25a and 25b, which are crimping jigs for core wire contacts, are used. Using anvils 26a and 26b and clampers 27a and 27b, which are crimping jigs for sheaths,
24 is the crimping pieces 17, 17, the core wire coating 23 is the crimping pieces 18, 18, the sleeve 30 is the crimping pieces 33, 33 of the shield wire crimping portion 31, and the sheath 21 is the crimping pieces 34, 34 of the sheath crimping portion 32. And crimp each at once. That is, the anvil 24a, which is a crimping jig, is inserted from the jig insertion opening 10a, the clamper 25a is inserted into the jig insertion opening 10b, and the crimping pieces 17 and 17 of the core wire crimping portion 15 are pressed to obtain the crimping pieces 17 and 17. The core wire 24 is crimped by, and the core wire coating 23 is crimped by the crimping pieces 18, 18 of the core wire coating crimping portion 16 using the anvil 24b and the clamper 25b which are crimping jigs.
At the same time, using the anvils 26a and 26b and the clampers 27a and 27b, which are crimping jigs, the crimping pieces of the shielded wire crimping portion 31 are used.
The sleeve 30 is sheathed with 33 and the sheath 34 is sheathed with the crimping piece 34 of the sheath crimping portion 32.
The shielded electric wire 2 is connected to the electric contact 1 by crimping the respective 21.

Further, in the present embodiment, the shield wire 22 of the shielded electric wire 2 is doubly shielded by the sleeve 30 and the shield wire crimping portion 31 of the shield outer tubular member 1, and the shield 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,
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 has the contact holding portion and the cylindrical shield wire mounting portion, and the shield holding portion side of the contact holding portion has the axis line of the contact holding portion. A shield outer cylinder member provided with a jig insertion opening that opens vertically to the core body, and a core wire contact provided with a core wire connecting portion and a core wire covering crimping portion at an end portion of the contact body,
The shield outer cylinder member is housed and fixed in the contact holding portion to hold the contact body of the core wire contact, and the core wire connecting portion and the core wire covering crimp portion of the core wire contact are positioned in the jig insertion opening. An insulator and a shield wire are inserted into the shield wire mounting portion of the shield outer cylinder member, the shield wire of the shield wire is mounted on the shield wire mounting portion, and the core wire of the shield wire is connected to the core wire connecting portion. In addition, a shield wire crimping portion that crimps the shield wire mounting portion from the outside while crimping the core wire coating of the shielded wire to the core wire coating crimping portion, and a sheath crimping portion that crimps the sheath of the shielded wire. It is characterized by having a shield.

Therefore, a shielded electric wire is inserted into the shielded wire mounting portion of the shield outer cylinder member, the shielded wire of the shielded electric wire is mounted to the shielded wire mounting portion, and the core wire of the shielded electric wire is connected to the core wire connecting portion. In a state where the core wire coating is crimped to the core wire coating crimping portion, the shield wire crimping portion of the outer shield is overlapped and crimped to the shield wire mounting portion from the outside, and the shield wire crimping portion of the outer shield Since the sheath is crimped, the shielded wire of the shielded wire is double shielded by the shielded wire mounting part of the shield outer cylinder member and the shielded wire crimping part of the outer shield, which not only improves the shield effect but also improves the bonding strength. Is reinforced.

Moreover, the sheath crimping portion of the outer shield crimps the sheath of the shielded wire, so that the shielded wire is prevented from coming off.

[Brief description of drawings]

1 to 6 relate to one invention, FIG. 1 is a perspective view of a connector before connection, FIG. 2 is an exploded perspective view of an electric contact terminal, FIG. 3 is a perspective view of a core wire contact, and FIG. The figure is an explanatory view showing a state in which a shield wire is crimped onto a core contact of an electric contact terminal, FIG. 5 is an explanatory view showing a state where an outer shield is crimped, and FIG. 6 is an explanatory view showing a state where a shield wire is crimped to an electric contact , FIG. 7 to FIG. 9 relate to other inventions,
FIG. 7 is an exploded perspective view of an electric contact terminal, FIG. 8 is an explanatory view of a crimping action state, FIG. 9 is an explanatory view showing a state in which a shield wire is crimped to an electric contactor, and FIG. 10 is a conventional connector. It is a perspective view of a wire connection structure. 1 ... Electrical contact terminal, 2 ... Shielded wire, 3 ... Shield outer cylinder member, 4 ... Insulator, 5 ... Core wire contact,
6 ... External shield, 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 covering crimping part, 21 ... … Sheath, 23 …… Core wire coating, 24 …… Core wire, 30 …… Sleeve.

Claims (1)

(57) [Scope of utility model registration request] 1. A jig insertion having a contact holding portion and a cylindrical shield wire mounting portion and opening on the shield wire mounting portion side of the contact holding portion in a direction perpendicular to an axis of the contact holding portion. A shield outer cylinder member having a mouth, a core wire contact having a core wire connecting portion and a core wire covering crimp portion at an end portion of the contact body, and a core wire housed and fixed in the contact holding portion of the shield outer cylinder member. An insulator that holds the contact body of the contact and positions the core wire connecting portion and the core wire covering crimping portion of the core wire contact within the jig insertion port; and a shield on the shield wire mounting portion of the shield outer cylinder member. Insert the electric wire, attach the shielded wire of this shielded electric wire to the shielded wire mounting portion, and connect the core wire of the shielded electric wire to the core wire connecting portion. An external shield having a shield wire crimping portion for stacking and crimping the shield wire mounting portion from the outside in a state where the core wire coating of the shielded electric wire is crimped to the core wire covering crimping portion, and a sheath crimping portion for crimping the sheath of the shielded electric wire A connection structure of a connector, which is provided with.