JPH0613056U - Insulation displacement connector - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a press-connecting connector capable of smoothly and surely connecting an electric wire to a press-connecting terminal in a housing at the same time as closing a cover of the connector. A wire-clamping connector is provided in which a cover 9 covering an opening of a connector housing is provided with a wire holding portion 15, a pressure-contact terminal 7 is provided in the opening, and the cover is closed to connect the wire 8 to the pressure-contact terminal. The holding portion has a pair of opposing flexible holding pieces 10 hanging from the cover, an electric wire pressing portion 14 projecting from the center of the pair of holding pieces, and a terminal holding portion provided on the inner surface of the holding piece. 13, the pressure contact terminal has a tip portion 28 that can enter the inside of the pair of holding pieces before the electric wire pressure contact, and an outwardly inclined guide portion 27 that can slidably contact the pair of holding pieces.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a press-connecting connector capable of connecting a wire to a press-connecting terminal in a housing smoothly and surely while closing a cover of the connector.

[0002]

[Prior art]

 FIG. 8 is an exploded perspective view showing a conventional press-connecting connector disclosed in Japanese Patent Laid-Open No. 62-128460. In the connector 31, the connection portion 34 of the terminal 33 housed in the connector housing 32 is located in the opening 35 of the housing 32, and the cover 38 in which the electric wire 36 is inserted into the holding groove 37 is covered in the opening 35. By being installed, the electric wire 36 is pressed and connected to the protruding blade 34b along the protruding piece 34a of the terminal 33. However, the above-mentioned conventional structure 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]

[Problems to be solved by the device]

 The present invention has been made in view of the above points, and an object thereof is to provide a press-connecting connector capable of smoothly and reliably introducing and connecting an electric wire to a terminal.

[0004]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention provides a wire holding portion in a cover which covers an opening of a connector housing, a pressure contact terminal is provided in the opening, and the cover is closed to connect the wire to the pressure contact terminal. In the press-connecting connector to be connected to the electric wire holding section, the electric wire holding section includes a pair of opposing flexible holding pieces hanging from the cover, an electric wire pressing section protruding from the center of the pair of holding pieces, It is configured by a terminal holding portion provided on the inner surface of the holding piece, and the press-connecting terminal can slidably contact the pair of holding pieces with a tip portion that can enter the inside of the pair of holding pieces before the electric wire pressure contact. It is characterized by having an outwardly inclined guide portion.

[0005]

[Action]

 When the cover is closed, the flexible holding piece starts sliding contact along the inclined guide portion of the pressure contact terminal, and at the same time, the wire pressing portion starts pressure contact of the wire with the pressure 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 expanded along the inclined guide portion. Then, the terminal holding portion of the holding piece presses the pressure contact terminal inward, and firmly holds the electric wire.

[0006]

【Example】

 FIG. 1 is an exploded perspective view showing an embodiment of a press-connecting connector according to the present invention, and FIG. 2 is a longitudinal sectional view of the same. The press-connecting connector 1 is provided with an opening 4 in a rear half portion of a top wall 3 of a connector housing 2 made of synthetic resin, and a press-connecting terminal portion 7 of a connection terminal 6 housed in a housing chamber 5 of the housing 2 is provided in 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 the press contact is surely made.

That is, as shown in FIG. 3, on the cover 9, a pair of opposing flexible holding pieces 10, 10 are hung and connected to the inner wall surface 16, and the holding piece 10 connects the pressing contact terminal 7 to the pressure contact terminal 7. The electric wire 8 is introduced and clamped after pressure contact. The holding piece 10 is flexible in the opposite direction, and a claw portion 11 having an upward inclined surface 11a is connected to the tip of the inner surface.

The electric wire 8 is held by the holding wall 12 which is projected in the center of the inner surface of the holding piece 10. A pair of opposed rectangular holding projections 13 and 13 for the press contact terminal 7 are provided in the middle of the inner end of the holding pieces 10 and 10 (close to the base end of the holding pieces). Further, in the middle of the pair of holding pieces 10, 10, an electric wire pressing piece 14 is hung and coupled from the cover inner wall surface 16 to a position lower than the holding projection 13. A plurality of the electric wire holding portions 15 (holding pieces 10 and pressing pieces 14) are arranged in parallel on the cover inner wall 16 corresponding to the pressure contact terminals 7 in the housing 2.

A partition wall 18 having a wire insertion groove 17 is integrally erected at the rear of the housing chamber of the housing 2, and an outer wall of the housing 2 is engaged with a locking frame portion 19 of the cover 9. Protrusions 20 are provided.

The pressure contact terminal 7 is provided integrally with the connection terminal 6 having the electric contact portion 21 on the front side. As shown in a developed view of the connection terminal 6 in FIG. 4 and an enlarged view of the pressure contact terminal 7 in FIG. 5, the pressure contact terminal 7 is connected to the base plate portion 22 of the connection terminal 6 and is erected in front and rear opposite to each other. Be done. The electric contact portion 21 has a spring piece 23 and a locking hole 24 in the center, and can connect a mating male terminal (not shown).

As shown in FIG. 5, the pressure contact terminal 7 has an upward tapered inclination guide portion 27 with respect to the flexible holding pieces 10 and 10 on the outer surfaces of the pair of pressure contact pieces 26 and 26 on both sides of the slit 25. , 27 are formed, and a tip end portion 28 having a vertical engaging surface 28a for the holding projection 13 of the holding piece 10 is connected to the tip of the press contact piece 26, following the guide portion 27. Inside the pointed portion 28, an inclined press contact blade 29 is provided.

As shown in FIG. 6, the outer width L of the pointed portion 28 is set to be slightly smaller than the inner width of the claw portion 11 at the tip of the holding piece, and the inclined guide portion 27 is smaller than the inner width of the claw portion 11. The taper width gradually increases toward the bottom. The holding piece 10 positions the tip claw portion 11 along the tip end portion 28 of the press contact terminal 7 while holding the electric wire 8 and guides the electric wire 8 to the press contact slit 25.

When the cover 9 is closed, the pressing piece 14 presses the electric wire 8 into the slit 25, and at the same time, the holding pieces 10 and 10 spread outward along the inclined guide portion 27 of the press contact terminal 7. Finally, the holding projection 13 engages with the locking surface 28a of the pressure contact piece tip 28, and the restoring force of the holding piece 10 presses the pressure contact pieces 26, 26 in the wire holding direction. This ensures a reliable electrical connection. Since the clamping projection 13 is provided near the base end of the holding piece, a strong pressing force (restoring force) can be exerted, and the tip end portion 28 of the pressure contact piece 26 is pressed, so that the electric wire clamping force is maximized. Can be made.

[0014]

[Effect of device]

 As described above, according to the present invention, the pair of flexible holding pieces insert the wire into the pressure contact terminal and sandwich the pressure contact terminal after the pressure contact, so that the wire can be smoothly and securely pressure connected. Is something that can be done.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a pressure contact connector according to the present invention.

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

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

FIG. 4 is a development view of connection terminals.

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

FIG. 6 is a vertical cross-sectional view showing a state in which an electric wire is pressure-welded.

FIG. 7 is a vertical cross-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 Pressure contact connector 2 Connector housing 4 Opening 7 Pressure contact terminal 8 Electric wire 9 Cover 10 Flexible holding piece 13 Clamping protrusion 14 Electric wire pressing piece 15 Electric wire holding part 27 Inclined guide part 28 Tip part

Claims (1)

[Scope of utility model registration request] 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-connecting terminal is provided in the opening, and the cover is closed to connect the electric wire to the press-connecting terminal. The holding portion has a pair of opposing flexible holding pieces hanging from the cover, an electric wire pressing portion projecting from the center of the pair of holding pieces, and a terminal clamp provided on the inner surface of the holding pieces. The pressure contact terminal has a tip portion that can enter the inside of the pair of holding pieces before the electric wire pressure contact, and an outwardly inclined guide portion that can slidably contact the pair of holding pieces. Characteristic pressure contact connector.