JPH083982Y2 - Electrical connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION << Industrial Application Field >> The present invention relates to an electric connector mounted on a board and connecting an electric wire to its contact terminal.

<Prior art> As a conventional electrical connector of this type, the cam part formed on this slider by pushing the slider presses the interference part of the contact terminal in the insulating housing to connect the conductor of the wire at the contact part of the contact terminal. An electrical connector that is sandwiched to connect an electric wire is known.

That is, as shown in FIG. 3, the electrical connector a is roughly composed of a connector assembly c attached to a board b and a slider d. The connector assembly c includes an insulating housing m, and a contact terminal f is housed in a space e inside the insulating housing m.

Then, the tip of the wire g is inserted into the electrical connector a through the insertion hole h of the slider d, the conductor i of this is positioned between the contact portions j and k of the contact terminal f, and the slider d is pushed in this state. The slider d is moved to the side of the insulating housing m, the cam portion o is brought into contact with the interference portion n of the contact terminal f, and the interference portion n is pushed inward.
Was clamped from the left and right to connect the conductor i to the contact terminal f.

<< Problems to be Solved by the Invention >> However, in the conventional example, since only the conductor i of the electric wire g is clamped by the connection parts j and k and fixed, the fixing of the electric wire g is incomplete. There was a problem that became.

The present invention has been made in view of the above problems, and its purpose is to secure not only the conductor of the electric wire but also the outer sheath by the outer sheath sandwiching body to ensure the fixation of the wire. To provide an electrical connector that can be

<Means for Solving the Problems> In order to achieve the above-mentioned object, the present invention has a cam portion formed on the slider by pushing the slider to press the interference portion of the contact terminal in the insulating housing to make contact. In an electrical connector that connects electric wires by sandwiching the signal line of the electric wire at the contact portion of the terminal, a protrusion is provided on the outer surface portion of the end surface portion of the insulating housing at a position facing the insertion hole formed in the end surface portion. It is characterized in that the slider is provided with a plurality of holding claws which are formed in a protruding shape and whose distal end portion is bent inwardly by interfering with the protrusion due to the movement of the slider.

<Operation> By making the structure so that the slider is pushed in, the cam part formed on this slider presses the interference part of the contact terminal in the insulating housing to clamp the signal line of the electric wire at the contact part of the contact terminal. At the same time, the holding claws provided on the slider interfere with the protrusions and the tip portions thereof are bent inward, so that the holding claws hold the outer coating.

In this way, since the cam portion that presses the interference portion of the contact terminal and the holding claw that holds the outer coating are both provided on the slider, pressing the contact portion to the interference portion by the cam portion, The timing with which the outer cover is pinched by the pinching claws becomes good, and the signal wire of the electric wire and the electric wire can be securely fixed.

<< Embodiment >> An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a structural explanatory view of an electric connector according to the present invention. The electrical connector 1 is generally composed of a connector assembly 3 attached to a substrate 2 and a slider 4. The connector assembly 3 includes an insulating housing 5, which has a bottom portion 6 and a pair of side wall portions 7.
And the end face portion 8 are an insulator block integrally moded with a synthetic resin material, and have a space portion 9 surrounded by the bottom portion 6, a pair of side wall portions 7 and the end face portion 8. A contact terminal 10 is accommodated in this space 9. The contact terminal 10 is a straight line portion 12 linearly connected to a solder tail 11 which is inserted into the through hole 2a of the substrate 2 and soldered thereto, and the straight line portion 12.
13 which is bent into an almost U-shape from the end of the
The contact portion 15 is a free end, and the contact portion 15 of the linear portion 12 is composed of an interference portion 14 that is curved and bulges in line with the curved portion 13 and a contact portion 15 that is continuous with the end portion of the interference portion 14 and is curved. The contact portion 16 has a portion facing to. An insertion hole 17 is formed at the center of the top portion 13. The solder tail 11 of the contact terminal 10 penetrates the through hole 6a provided in the bottom portion 6 of the insulating housing 5 and is projected to the outside.
12 is in contact with the inner surface of the side wall 7 of the insulating housing 5.

An insertion hole 18 is formed in the end surface portion 8 of the insulating housing 5, and projections 33 and 34, which are sandwiching portion interference bodies, project on the outer surface of the end surface portion 8 when the insertion hole 18 is sandwiched therebetween. Has been formed. A slider insertion hole 19 is formed in the end surface portion 8.

The slider 4 is provided with an end face portion 21 and leg members 22 and 23 formed at right angles on both end portions of the end face portion 21, and an inner surface portion of the right leg member 23 is formed by a cam portion 24. ing. The cam portion 24 has a linear cam surface 2 whose positions are displaced from each other in the left-right direction.
5 and 26 are connected by an inclined cam surface 27. Further, the end surface portion 21 is formed with an insertion hole 27A, and the inner surface portion of the end surface portion 21 is provided with holding claws 28 and 29 which are outer covering holding bodies and are positioned on the left and right sides of the insertion hole 27. It is set up.

The right leg 23 of the slider 20 is inserted into the slider insertion hole 19, and the left leg 22 of the slider 20 is slidably attached to the outer surface of the insulating housing 7 and assembled to the insulating housing 7. In this case, the interference portion 14 of the contact terminal 10 is in contact with the linear cam surface 26 of the cam portion 24 of the leg 23 that has entered the space 9 of the insulating housing 7.

The electrical connector 1 thus configured is mounted on the board 2 by inserting the solder tails 11 of the contact terminals 10 into the through holes 2a of the board 2 and soldering the solder tails 11.

 Next, the operation will be described.

To contact the electric wire 30 to the electric connector 1, first,
The tip of 30 is processed as shown in FIG. 2 to expose the conductor 31 from the outer coating 32.

The tip of the electric wire 30 is inserted into the electric connector 1 through the insertion hole 27A of the slider 4. In this case, the conductor 31 is inserted into the insertion hole 18 of the insulating housing 7 and the insertion hole 17 of the contact terminal 10 so that the conductor 31 is located between the contact portions 15 and 16 of the contact terminal 10 and the outside of the wire 30. The cover 32 is located between the holding claws 28 and 29 from inside the insertion hole 27A of the slider 4.

When the slider 4 is moved to the insulating housing 7 side by pushing the slider 4 in this state, the outer surfaces of the tips of the holding claws 28 and 29 interfere with the inner surfaces of the tips of the protrusions 33 and 34 to move the holding claws 28 and 29. The tip portion is bent inward so that the holding claws 28, 29 hold the outer coating 32 of the electric wire 30. At the same time, the movement of the slider 4 causes the interference portion of the contact terminal 10.
The inclined cam surface 27 and the linear cam surface 25 sequentially contact 14 and the interference portion 14 is pushed inward, the contact portions 15 and 16 sandwich the conductor 31 from the left and right, and the conductor 31 is connected to the contact terminal 10. It

In this way, pushing the slider 4 pushes the wire 30
Not only the conductor 31 but also the outer coating 32 is clamped by the clamping claws 28 and 29, so that the electric wire 30 can be reliably fixed.

<< Advantages of Invention >> As described above, according to the present invention, the cam portion formed on the slider by pushing the slider presses the interference portion of the contact terminal in the insulating housing to cause the contact portion of the contact terminal to move the wire. In an electrical connector for holding a signal and connecting an electric wire, a protrusion is formed on an outer surface of an end surface of an insulating housing at a position facing the insertion hole formed in the end surface, and a protrusion is formed on the slider. Since a plurality of holding claws are provided that interfere with the protrusions by the movement of the slider and the tip of the slider is bent inward, the cam portion formed on the slider by pushing the slider interferes with the contact terminals in the insulating housing. The contact part of the contact terminal to clamp the signal wire of the electric wire, and the clamping claw provided on the slider interferes with the protrusion to bend the tip end inward. The outer coating is clamped by these clamping claws.

In this way, since the cam portion that presses the interference portion of the contact terminal and the holding claw that holds the outer coating are both provided on the slider, pressing the contact portion to the interference portion by the cam portion, The timing with which the outer cover is pinched by the pinching claws becomes good, and the signal wire of the electric wire and the electric wire can be securely fixed.

[Brief description of drawings]

FIG. 1 is an explanatory view of the configuration of an electric connector according to the present invention, and FIG.
FIG. 3 is a perspective view of a tip portion of an electric wire, and FIG. 3 is a configuration explanatory view of a conventional electric connector. 4 …… Slider 5 …… Insulation housing 10 …… Contact terminal 15,16 …… Contact part 24 …… Cam part 28,29 …… Clamping claw (external coating clamper) 30 …… Wire 31 …… Conductor 33,34 ...... Protrusion (interfering body of the sandwiching part).

Claims (1)

[Scope of utility model registration request] 1. A cam portion formed on the slider by pushing the slider presses an interference portion of the contact terminal in the insulating housing to clamp the signal wire of the electric wire at the contact portion of the contact terminal to connect the electric wire. In the electrical connector, a protrusion is formed on the outer surface portion of the end surface portion of the insulating housing at a position facing the insertion hole formed in the end surface portion, and a protrusion is formed on the slider, and when the slider moves, the protrusion interferes with the protrusion. An electrical connector characterized in that a plurality of holding claws whose tip portions are bent inward are provided.