JP2000133357A - Wire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide sufficient water-proof performance, and also smoothly connect to a connector terminal, while reducing assembling manhours, by integrally forming a resinous projecting member engageable with an engaging portion provided in an opening of a connector on a resinous member for covering the outer periphery of a terminal connected to an end. SOLUTION: A female-type terminal 12 is caulked and connected to the end of a wire 11. A mold member (resinous member) 13 is provided for the outer periphery of the terminal 12, and is integrally molded to the terminal 12. A projecting member 14 is integrally provided at the top of the mold member 13. The mold member 13 has a function as a connector and connected a male- type terminal of a counter connector through a through hole 13a. The member 14 is inserted and guided through a guide groove of the counter connector. Thus, the terminal 12 can be completely protected from water, and can be smoothly connected with the terminal of the counter connector.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric wire, and more particularly, to an electric wire having a terminal which exhibits a waterproof function when attached to a connector provided on a vehicle body, an electric device or the like.

[0002]

2. Description of the Related Art Generally, in a vehicle body or an electric device,
The electric components are connected to each other by a wire harness composed of a plurality of electric wires, and the terminals of the electric wires constituting the wire harness can be connected to the connector. As a conventional electric wire of this kind, for example,
There is one as shown in FIG. In FIG. 4A, 1
Is an electric wire, and a terminal 2 is caulked and fixed to an end of the electric wire 1 so that the terminal 2 is connected to any one of the openings 3a of the connector 3 as shown in FIG. Has become.

In such an electric wire 1, since the terminal 2 is not waterproofed, the connector 3 needs to be waterproofed. Specifically, a seal member is provided on the inner peripheral surface of the opening 3a of the connector 3, and the outer peripheral portion of the electric wire 1 on the terminal 2 side is brought into contact with the seal member,
Water is prevented from entering the terminal 2. By the way, when it is necessary to connect the terminal 2 to the connector 3 in such a place where waterproofing is required, the connector 3 for waterproofing is required, whereas the terminal 2 is required in a place where waterproofing is not required. When 2 is connected to a connector, a connector that is not subjected to waterproofing is required, and as a result, two types of connectors are required.

As an electric wire for solving such a problem, there is an electric wire as shown in FIG. In this device, a rubber plug 6 as shown in FIG. 5 (b) is provided on the outer peripheral portion of the electric wire 1 near the terminal 2, and when connecting the terminal 2 to the opening of the connector, the rubber plug 6 is connected to the opening. In this manner, water is prevented from entering the terminal 2.

[0005]

However, in the case of the conventional waterproofed wire 1, a rubber plug 6 separate from the wire 1 is required, so that the wire 1 is assembled. The man-hour has increased. Specifically, electric wire 1
After the rubber plug 6 is inserted into the wire 1, the terminal 2 is swaged and fixed to the end of the wire 1, so that the number of assembling steps of the wire 1 is increased.

Further, since the rubber plug 6 is provided on the outer peripheral portion of the electric wire 1 on the terminal 2 side, the terminal 2 can be sufficiently waterproofed only by sealing the opening of the connector with the rubber plug 6. could not. Further, when connecting the terminal 2 to a terminal provided in the opening of the connector, there is also a problem that it is difficult to connect the terminals smoothly because the rigidity of the terminal itself is relatively high.

Accordingly, an object of the present invention is to provide an electric wire which can provide sufficient waterproof performance while reducing the number of assembling steps, and which can be connected to terminals of a connector in a smooth manner.

[0008]

According to the first aspect of the present invention,
In order to solve the above-mentioned problem, a terminal is connected to an end, and the terminal is an electric wire connectable to a terminal provided in an opening of a connector, the resin having a resin member covering an outer peripheral portion of the terminal. The resin member is formed integrally with a resin protrusion member that can be engaged with an engagement portion provided in the opening of the connector.

In this case, since the outer periphery of the terminal is covered with a resinous material, when the terminal is connected to the terminal of the connector, the terminal can be completely waterproofed, and the waterproof performance can be improved. it can. In addition, since the resinous member is integrally formed with the resinous protrusion member engageable with the engagement portion provided in the opening of the connector, when the resinous member is inserted into the opening of the connector, the protrusion is formed. While the member bends, the resinous member enters the opening and the terminals are connected. Therefore, the terminal of the electric wire can be connected to the terminal of the connector smoothly, and the terminal of the connector and the terminal of the electric wire can be firmly connected.

According to a second aspect of the present invention, in order to solve the above-mentioned problem, in the first aspect of the present invention, the terminal and the resinous member are integrally formed.
In this case, if the work of fixing the terminal to the electric wire and the work of attaching the resinous member to the terminal are performed at the same time,
The man-hours for assembling the electric wires can be reduced.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 are diagrams showing an embodiment of the electric wire according to the present invention. First, the configuration will be described. In FIG. 1, reference numeral 11 denotes an electric wire, and a female terminal 12 is connected to an end of the electric wire 11 by caulking and fixing. Further, a mold member (resinous member) 13 is provided on an outer peripheral portion of the terminal 12, and the mold member 13 is formed integrally with the terminal 12.

A projecting member is provided at the upper end of the molding member 13.
The projection 13 is integrally formed with the molding resin 13. When molding the terminal 12 and the molding resin 13 integrally,
The terminal 12 may be caulked and fixed to the end of the electric wire 11 and, at the same time, the outer periphery of the terminal 12 may be filled with the mold resin 13 and the projecting member 14.

The molding resin 13 has a function as a connector. As shown in FIG. 2, the molding resin 13 is inserted into any one of the plurality of openings 16 of the connector 15 and provided in the opening 16. The terminal 12 is connected to a male terminal (not shown). Specifically, the molding member 13 has an insertion hole.
A terminal 13a is formed, and a terminal provided in the opening 16 is connected to the terminal 12 through the insertion hole 13a.

A rail-shaped guide groove 16a is formed on the upper surface of the opening 16, and the projection member 14 is inserted into and guided by the guide groove 16a. An engagement piece 14a is provided at an end of the protruding member 14, and the engagement piece 14a comes into engagement with a concave portion (engagement portion) provided at an arbitrary position of the guide groove 16a. ing. When the engaging piece 14a engages with a concave portion provided at an arbitrary position of the guide groove 16a, the terminal in the opening 16 and the terminal 12
Is completed, and the terminal 12 and the mold member 13 are engaged with the opening 16 so as not to come off.

Next, the operation will be described. Connect terminal 12 to connector
In order to connect to the terminal 15, the protrusion member 14 is positioned in the guide groove 16 a and the mold member 13 is inserted into the opening 16.
At this time, the projecting member 14 is guided by the guide groove 16a, the mold member 13 is inserted into the opening 16, and the opening is formed when the engaging piece 14a is engaged with the concave portion provided at an arbitrary position of the guide groove 16a. The terminal in the part 16 is connected to the terminal 12 through the insertion hole 13a, and the terminal 12 and the molding member 13 are opened.
The retaining lock is engaged within the lock 16.

At this time, a molding member
Since the terminal 13 is covered, the terminal 12 can be completely waterproofed, and the waterproof performance can be improved. In addition, since the projection member 14 that can be engaged with the concave portion provided in the opening 16 is integrally formed on the mold member 13, the projection member 14 bends when the molding member 13 is inserted into the opening 16. The mold member 13 enters the opening 16 and the terminal 12
Since the terminals are connected to each other, the terminal 12 can be connected to the terminal of the connector smoothly, and the terminal of the connector 15 and the terminal 12 can be firmly connected.

Further, since the terminal 12 and the molding member 13 are integrally formed, the operation of caulking and fixing the terminal 12 to the electric wire 11 and the operation of attaching the molding member 13 to the terminal 12 are performed at the same time. Can be reduced. In the present embodiment, the female terminal 12 is taken as an example, but the present invention is not limited to this, and the outer peripheral portion of the male terminal 21 is coated with a mold member 22 having a projecting member 23 as shown in FIG. Even in this case, the same effect can be obtained. In FIG. 3, reference numeral 23a denotes an engagement piece.

[0018]

According to the first aspect of the present invention, since the outer peripheral portion of the terminal is covered with the resinous member, when the terminal is connected to the terminal of the connector, the terminal can be completely waterproofed. It is possible to improve the waterproof performance. In addition, since the resinous member is integrally formed with the resinous protrusion member engageable with the engagement portion provided in the opening of the connector, when the resinous member is inserted into the opening of the connector, the protrusion is formed. While the member bends, the resinous member enters the opening and the terminals are connected. For this reason, the terminal of the electric wire can be connected smoothly to the terminal of the connector, and the terminal of the connector and the terminal of the electric wire can be firmly connected.

According to a second aspect of the present invention, in order to solve the above problems, in the first aspect of the present invention, the terminal and the resinous member are integrally formed.
In this case, if the work of fixing the terminal to the electric wire and the work of attaching the resinous member to the terminal are performed at the same time,
The man-hours for assembling the electric wires can be reduced.

[Brief description of the drawings]

FIG. 1 is a view showing an embodiment of an electric wire according to the present invention, wherein (a) is a perspective view and (b) is a cross-sectional view.

FIG. 2 is an external view of a connector according to one embodiment.

FIG. 3 is a cross-sectional view showing another shape of the electric wire of the embodiment.

4A is an external view of a conventional electric wire, and FIG. 4B is an external view of a connector to which the electric wire is attached.

FIG. 5A is an external view of another conventional electric wire, and FIG. 5B is an external view of a rubber stopper attached to the electric wire.

[Explanation of symbols]

 11 Electric wire 12, 21 Terminal 13, 22 Mold member (resin member) 14, 23 Projection member 15 Connector 16 Opening

Claims (2)

[Claims] 1. An electric wire having a terminal connected to an end thereof and capable of connecting the terminal to a terminal provided in an opening of a connector, comprising: a resinous member covering an outer peripheral portion of the terminal; An electric wire, characterized in that a resinous projecting member engageable with an engaging portion provided in an opening of the connector is integrally formed on the conductive member. 2. The electric wire according to claim 1, wherein the terminal and the resinous member are integrally formed.