JP2536905Y2 - ID connector - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a press-connecting connector capable of closing a cover on a connector and connecting a wire to a press-connecting terminal in a housing smoothly and reliably.

[0002]

2. Description of the Related Art FIG. 8 is an exploded perspective view showing a conventional press-connecting connector described in Japanese Patent Application Laid-Open No. 62-128460. In the connector 31, the connection portion 34 of the terminal 33 accommodated in the connector housing 32 is positioned in the opening 35 of the housing 32, and a cover 38 in which the electric wire 36 is inserted into the holding groove 37 is covered by the opening 35. As a result, the electric wire 36 is extended along the projecting piece 34a of the terminal 33 so that the projecting blade 34b
Is connected by pressing. However, the conventional structure described above has a problem that it is difficult to smoothly and reliably introduce and connect the electric wire 36 to the connecting portion 34 of the terminal 33.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above circumstances, and has as its object to provide a press-connecting connector capable of smoothly and reliably introducing and connecting an electric wire to a terminal.

[0004]

In order to achieve the above object, according to the present invention, a cover for covering an opening of a connector housing is provided with an electric wire holding portion, a press contact terminal is provided in the opening, and In a press-connecting connector for connecting an electric wire to the press-connecting terminal by closing, the wire holding portion is provided at a center between the pair of opposed flexible holding pieces hanging down from the cover and the pair of holding pieces. An electric wire pressing portion, a terminal holding portion provided on an inner surface of the holding piece, wherein the press contact terminal is capable of entering the inside of the pair of holding pieces before the wire press welding, and a pair of holding portions. And an outwardly inclined guide portion capable of slidingly contacting the piece.

[0005]

When the cover is closed, the flexible holding piece starts sliding contact along the inclined guide portion of the press contact terminal.
The wire pressing part starts to press the wire against the press contact terminal. That is, the holding piece acts as a guide for the electric wire to the press contact terminal. Next, the holding piece is pushed and expanded along the inclined guide portion. Then, the terminal holding portion of the holding piece presses the press contact terminal inward, thereby firmly holding the electric wire.

[0006]

1 is an exploded perspective view showing one embodiment of a press-connecting connector according to the present invention, and FIG. 2 is a longitudinal sectional view of the same.
In the press-connecting connector 1, an opening 4 is provided in the rear half of the top wall 3 of the connector housing 2 made of synthetic resin, and the press-connecting terminal portion 7 of the connection terminal 6 housed in the housing chamber 5 of the housing 2 is formed inside the opening 4. By covering the opening 4 with the cover 9 holding the electric wire 8, the electric wire 8 is smoothly introduced into the press contact terminal 7, and is securely connected by press contact.

That is, as shown in FIG. 3, the cover 9 has a pair of opposing flexible holding pieces 1 on an inner wall surface 16 thereof.
0, 10 are dropped and coupled, and the holding piece 10 is used to introduce the electric wire 8 into the press contact terminal 7 and to hold the wire 8 after press contact. The holding piece 10 is flexible in the facing direction, and a claw portion 11 having an upwardly inclined surface 11a is coupled to the inner surface tip.

The electric wire 8 is held by a holding wall 12 protruding from the center of the inner surface of the holding piece 10. The holding pieces 10, 1
A pair of rectangular holding projections 1 facing the press-contact terminal 7 are provided in the middle of the inner side end of the holding member 0 (near the base end of the holding piece).
3 and 13 are provided. Further, the pair of holding pieces 10, 1
In the middle of 0, the wire pressing piece 14 is formed so as to hang down from the inner wall surface 16 of the cover to below the holding projection 13. A plurality of the wire holding portions 15 (holding pieces 10 and pressing pieces 14) are provided side by side on the cover inner wall 16 corresponding to the press contact terminals 7 in the housing 2.

At the rear of the housing chamber of the housing 2, a partition wall 18 having an electric wire insertion groove 17 is integrally erected, and the outer wall of the housing 2 is engaged with an engagement frame 19 of the cover 9. The projection 20 is provided.

The press contact terminal 7 has an electric contact 21
Is provided integrally with the connection terminal 6 having FIG. 4 is a development view of the connection terminal 6, and FIG. 5 is an enlarged view of the press contact terminal 7. The press contact terminal 7 is coupled to the substrate portion 22 of the connection terminal 6, and is erected in a pair in front and back. You. The electrical contact 21
Has a spring piece 23 and a locking hole 24 at the center, and can connect a mating male terminal (not shown).

As shown in FIG. 5, the press contact terminal 7 has a pair of press contact pieces 26, 26 on both sides of a slit 25, on the outer surfaces of the press contact pieces 26, 26, upwardly tapered inclined guide portions 27 for the flexible holding pieces 10, 10. A leading end 28 having a vertical locking surface 28a for the holding projection 10 of the holding piece 10 is connected to the tip of the pressure contact piece 26 following the guide part 27. An inclined pressure contact blade 29 is provided inside the pointed end portion 28.

As shown in FIG. 6, the outer width L of the pointed end 28 is set slightly smaller than the inner width of the claw 11 at the tip of the holding piece, and the inclined guide 27 is smaller than the inner width of the claw 11. The width gradually increases in a tapered shape toward the lower side. The holding piece 10
The tip claws 11 are held by the pressure contact terminals 7 while holding the electric wires 8.
And the wire 8 is guided to the press-contact slit 25.

When the cover 9 is closed, the pressing piece 1
4 presses the electric wire 8 into the slit 25, and at the same time, the holding pieces 10, 10 expand outward along the inclined guide portion 27 of the press contact terminal 7, and finally the holding projection 13 engages with the tip 28 of the press contact piece. Engaging with the stop surface 28a, the press-contact pieces 26, 26 are pressed in the wire clamping direction by the restoring force of the holding piece 10. This ensures a secure electrical connection. Since the holding projection 13 is provided near the base end of the holding piece, it can exert a strong pressing force (restoring force) and presses the distal end portion 28 of the press contact piece 26, so that the wire holding force is maximized. Can be done.

[0014]

As described above, according to the present invention, the pair of flexible holding pieces guide the electric wire to the press-connecting terminal and hold the press-connecting terminal after press-fitting, so that the electric wire can be smoothly and surely held. It can be press-connected.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing one embodiment of a press-connecting connector according to the present invention.

FIG. 2 is a longitudinal sectional view of the same.

FIG. 3 is a perspective view showing an electric wire holding portion of a cover.

FIG. 4 is a development view of a connection terminal.

FIG. 5 is an enlarged perspective view showing a press contact terminal.

FIG. 6 is a longitudinal sectional view showing a state where electric wires are pressed against each other.

FIG. 7 is a longitudinal sectional view showing a state after the pressure welding.

FIG. 8 is an exploded perspective view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Press-fitting connector 2 Connector housing 4 Opening 7 Press-fitting terminal 8 Electric wire 9 Cover 10 Flexible holding piece 13 Nipping projection 14 Electric wire pressing piece 15 Electric wire holding portion 27 Inclined guide portion 28 Pointed end

Claims (1)

(57) [Scope of request for utility model registration] 1. A press-connecting connector in which a cover for covering an opening of a connector housing is provided with a wire holding portion, a press contact terminal is provided in the opening, and the cover is closed to connect the wire to the press contact terminal. The holding portion has a pair of opposed flexible holding pieces hanging down from the cover, an electric wire pressing portion protruding from the center of the pair of holding pieces, and a terminal pinch provided on an inner surface of the holding piece. And the pressure contact terminal has an end portion that can enter the inside of the pair of holding pieces before the electric wire pressure welding, and an outwardly inclined guide portion that can slidably contact the pair of holding pieces. Characteristic insulation displacement connector.