JPH0622928Y2 - Electrical connector - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric connector for connecting covered electric wires to each other. More specifically, the present invention relates to a press-fit type electric connector for electrically connecting covered electric wires by press-fitting a contact into a connector body. It is about connectors.

[0002]

BACKGROUND OF THE INVENTION Conventional press-fit electrical connectors often consist of an insulative body having a hole or groove for receiving a coated wire and a conductive metal contact member that can be pushed into the body. . These techniques are disclosed in, for example, Japanese Patent Publication No. 53-11677 and Japanese Patent Publication No. 52-24229.
No. In this prior art, the holes or grooves for receiving the covered electric wires are arranged in parallel, and the covered electric wires to be connected are accommodated side by side. Therefore, the housing of the connector is wide and large. Also, such a connector is convenient for branching a branch line from a trunk line, but is not suitable for connecting wires in a straight line. Further, as a means for connecting the electric wires to each other in a straight line, for example, Jitsuko Sho 63-2
Although there is one disclosed in Japanese Patent No. 8526, since the operating body for connecting the covered electric wire and the metal connecting blade are made of different members and incorporated in the insulating housing, the structure is complicated and the cost is high. .

[0003]

Therefore, the present invention has been made in consideration of the above problems, and has a simple structure of a press-fitting type electrical connector capable of connecting covered electric wires in a straight line. The main purpose is to provide at low cost.

[0004]

In order to achieve the above-mentioned object, an electric connector according to the present invention is provided with covered electric wire insertion holes (1a), (1a) and directions in which openings thereof are opposite to each other. An insulating housing (1) including a pair of left and right covered electric wire insertion cylinders (1b) and (1b) arranged on the coaxial line in a state of being directed toward,
A conductive contact (3) held by the housing (1) so as to be able to be pushed in order to electrically connect the covered electric wires (2) and (2) inserted into the tubular portions (1b) and (1b), respectively. ) And an insulating cover (4) fixed to the upper surface of the contact (3), the contact (3)
Is equipped with a pair of left and right connecting blades (3a), (3a) which are arranged in a direction orthogonal to the covered electric wires (2) and have a concave groove (3b) which bites into the covered electric wires. When the blade plate is pushed into the housing, it is configured to tear the coating of the coated electric wire to electrically connect the core wire (2a) and the contact (3), and the insulating cover (4) An engaging portion (4a) is provided which engages with the housing (1) when the contactor (3) is pushed in and holds the pushing posture, and the housing (1) is further provided.
Stopper that regulates the insertion of the covered electric wire in the center of the inside of the
The structure is provided with (5).

[0005]

In the electric connector constructed as described above, as shown in FIG. 3, the covered electric wires (2), (1a) are inserted into the insertion holes (1a), (1a) of the left and right cylindrical portions of the housing (1), respectively. After inserting 2),
As shown in FIG. 4, the contactor (3) may be pushed into the housing (1) with a fingertip or an appropriate tool. As a result, as shown in FIG. 5, the connection blade plates (3a), (3a) of the contact (3) are covered with the covered electric wire (2),
The core wires (2a), (2a) and the contact (3) are electrically connected by breaking the coating of (2).

[0006]

Embodiments of the present invention will be described below with reference to the drawings. In the first embodiment of the present invention shown in FIGS. 1 to 5, reference numeral (1) indicates a housing integrally molded with an insulating material. This housing (1) has a covered wire insertion hole (1
It has a pair of left and right covered electric wire insertion cylinders (1b), (1b) which have a) and (1a) and are arranged on the coaxial line with their openings directed in opposite directions. Further, in the central part of the housing (1), in order to electrically connect the covered electric wires (2) and (2) inserted into the cylindrical parts (1b) and (1b), respectively, downward from the upper surface of the housing. A contact (3) made of a conductive material such as a metal held so as to be pushed in is provided. This contactor (3) is arranged in a direction orthogonal to the coated electric wires (2), (2) and has a pair of left and right connection blade plates (3a), (3a), each having a groove (3b) that bites into the coated electric wire. 3a), and when this connecting blade is pushed into the housing (1), the sheath of the coated electric wires (2), (2) is torn and the core wire (2a) and the contact (3) are electrically connected. Are configured to connect to each other.

Further, the insulating cover (4) of the contactor (3) engages with the housing (1) when the contactor (3) is pushed in, and the engaging portion (4a) holds the pushing posture. Is provided.
The engaging portion (4a) shown in the embodiment is formed by a convex claw and is formed so as to engage with the engaging groove (1c) formed on the side surface of the housing (1). In addition, this insulation cover (4)
Is a thin strip hinge (6) as shown in FIGS. 6 and 7.
They may be integrally connected by means of.

Further, a stopper (5) for restricting the insertion of the covered electric wires (2), (2) from the left and right is provided at the center of the inside of the housing (1), whereby the tip of the covered electric wire is By pushing the stopper (5) until it abuts, it can be easily inserted and held at an appropriate position. Further, as shown in FIGS. 6 and 7, if the hook (7) is extended upward from the central back surface of the housing (1), the electric connector can be hooked at a predetermined position of the electric device. It is convenient for

In the present invention, if the housing (1) is allowed to increase in size to some extent, the third embodiment of the electric connector housing (1) shown in FIG. The tubular part (11a) can be connected in a T shape, or as shown in FIG.
As described above, it is possible to add a fourth tubular portion (11b) to form a cross shape and to connect three or four covered electric wires in a T shape or a cross shape. is there. In this case, the number of connecting blade plates (3a) of the contactor (3) is formed according to the number of cylindrical portions. For example, in the case of the cross shape shown in FIG. 10, if the connection blade plates (3a) of the contactor (3) are formed in the form of forming each side wall of the square dome as shown in FIG. Good, and in the case of the T-shape of FIG. 9, one of them
All you have to do is drop out.

Although the representative embodiment of the present invention has been described above, the present invention is not necessarily limited to the structure of the above-mentioned embodiment, and within the scope of having the constituent features of the present invention and being effective. Of course, it can be implemented by appropriately changing it.

[0011]

EFFECTS OF THE INVENTION Since the present invention is constructed as described above, the covered wires are inserted into the insertion holes of the left and right cylindrical portions of the housing (1), and the contactor (3) is attached to the housing (1). The left and right covered electric wires can be easily electrically connected by simply pushing them in.However, especially in the present invention, since the constituent members have a simple structure with a housing and contacts,
It can be manufactured at low cost, and since the left and right cylindrical parts (1b), (1b) are elongated shapes arranged on the coaxial line, it can be formed small and lightweight, which is convenient for wire connection in a narrow space,
Furthermore, the insulating cover (4) is provided with an engaging portion (4a) that engages with the housing (1) when the contactor (3) is pushed in and holds the pushing posture, so that it can be used during use. Since it is possible to reliably prevent the contactor (3) from floating and contact failure, etc., in addition, since the stopper (5) for restricting the insertion of the covered electric wire is provided in the center of the inside of the housing (1). ,
There is an effect that the covered electric wire can be always inserted in an appropriate position.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of an electrical connector according to the present invention.

FIG. 2 is a cross-sectional view of the electric connector shown in FIG.

FIG. 3 is a first process of using the electric connector shown in FIG.
It is sectional drawing which shows a step.

FIG. 4 is a second process of using the electric connector shown in FIG.
It is sectional drawing which shows a step.

5 is a sectional view taken along line AA in FIG.

FIG. 6 is a perspective view showing another embodiment of the electrical connector according to the present invention.

7 is a cross-sectional view of the electric connector shown in FIG.

FIG. 8 is a perspective view showing another embodiment of the contact according to the present invention.

FIG. 9 is a plan view showing another embodiment of the electrical connector according to the present invention.

FIG. 10 is a plan view showing still another embodiment of the electrical connector according to the present invention.

[Explanation of symbols]

 (1) Housing (1a) Insertion hole (1b) Cylindrical part (2) Coated wire (2a) Core of coated wire (3) Contact (3a) Connecting blade (3b) Groove (4) Cover body (4a ) Engagement part of cover body (5) Stopper

Claims (1)

[Scope of utility model registration request] 1. At least a pair of left and right covered electric wire insertion cylinders (1b) which are provided on the coaxial line with the covered electric wire insertion holes (1a), (1a) and whose openings are oriented in opposite directions. ),
Insulating housing (1) provided with (1b) and said housing (1) for electrically connecting covered wires (2), (2) respectively inserted into said tubular parts (1b), (1b) The contactor (3) held so that it can be pushed in, and an insulating cover (4) fixed to the upper surface of the contactor (3), the contactor (3) is a covered electric wire (2),
At least a pair of left and right connecting blades arranged in a direction orthogonal to (2) and having a groove (3b) that bites into the covered electric wire
(3a), (3a), when the connecting blade is pushed into the housing (1), the sheath of the coated electric wire is torn to electrically connect the core wire (2a) and the contact (3). Is configured as
The insulating cover (4) is provided with an engaging portion (4a) that engages with the housing (1) when the contactor (3) is pushed in and holds the pushing posture, and further the housing (1). An electrical connector having a stopper (5) for restricting the insertion of the covered electric wire in the center of the inside of ().