JP2000223181A - Electric connector for ribbon cable - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily connect a ribbon cable with a wiring comprising a series of insulating wires by providing a means that has the ribbon cable inserted between a contact and an elastic vane member and fixes a fitting member to a substrate. SOLUTION: A fitting member 20 and a substrate 1 are made of insulating plastic material, a slender piece 28 is mounted, and then free ends of a projection of the fitting member 20 are fixed to the slender piece 28. Elastic vane members 31 extend from both sides of the slender piece 28, and has a rising portion that rises at a prescribed angel in relation to the slender piece 28 and is extended with a projecting bent portion. A ribbon cable 35 is inserted between the substrate 1 and the fitting member 20, and travels under a rib 18, a track of the ribbon cable 35 is electrically pressed to a contact 11 with the projecting bent portion of the elastic vane members 31. The ribbon cable 35, after its mounting, is fastened between a rim 17 and a plane 20a for preventing the sliding, and the fitting member 20 is screwed to the substrate 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrical connector for connecting a lead of a wiring to a track of a ribbon cable.

[0002] Ribbon cables formed from a flexible insulating core that supports a continuous track that is a good current conductor are very practical in certain applications. However, in that case, the ribbon cable must be connected to the conventional wiring consisting of a series of insulated conductors, and it is very difficult to connect the ribbon cable and the conventional wiring consisting of a series of insulated conductors to each other.

An object of the present invention is to provide an electrical connector which can easily connect a ribbon cable and a conventional wiring comprising a series of insulated conductors.

[0004] An electrical connector according to the present invention is for electrically connecting a conductive wire for collective mounting of wires to a series of conductive tracks of a ribbon cable. The electrical connector includes a wire fixing means connected to a contact. A fitting member having a series of elastic wing members attached to the base body and engaged with the contacts, and a ribbon cable inserted between the contacts and the elastic wing members; And fixing means for fixing the member to the base.

It is clear that a particularly simple electrical connector of the type described above facilitates the electrical connection of one or more ribbon cables to the conductors of the lumped connection.

According to one feature of the invention, the base body has a series of openings and forms strips between the openings, and the wire fixing means is a U-shaped having two flanges and one core. Consisting of a blanket, the flange extends through two adjacent openings and is crimped to the conductor.
This provides a simple wire fixing means and at the same time allows the contacts to be formed.

In one embodiment of the present invention, the electrical connector comprises a series of electrical contact members comprising a U-shaped member having a core and two flanges, each flange having a locking tab facing the core. A U-shaped member clamps the strip, the outer surface of the core forms a contact, and the core extends to form a crimp lug for securing the conductor.

[0008] The base body preferably has a lateral projection with a notch for guiding the cable clamping member to secure the collective mounting of the wiring.

In accordance with another aspect of the invention, the base has a rim adapted to engage a corresponding surface of the mating member for clamping the ribbon cable to the surface facing the mating member. have. Therefore, there is no danger of the ribbon cable arbitrarily moving when the fitting member is attached to the base.

In order to facilitate attachment of the fitting member to the base, the base has a bearing tube on the surface facing the fitting member, and the fitting member is engaged with the bearing tube. It has a projection.

According to another feature of the invention, the electrical connector includes a strip fixed to a corresponding surface of the mating member, and extends the elastic blade member to both sides from the strip. A rising portion starting from the strip, wherein the rising portion is extended with respect to the wing member on the other side of the strip by a convexly curved portion away from the wing member on one side of the strip, and the contact is provided on one side of the strip It is arranged in two continuous rows, one facing the upper elastic blade member and the other facing the elastic blade member on the other side of the strip.

According to still another feature of the present invention, the projection has a shaft hole passing through the projection, and the bottom of the bearing cylinder has an opening for a screw for fixing the fitting member to the base. ing.

[0013] Finally, the surface of the base, which faces the fitting member, is provided with a rib at a portion aligned with the strip. Thus, the ribbon cable follows the corrugated path, which ensures that the ribbon cable is retained between the connector base and the mating member.

[0014]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an electrical connector for a ribbon cable according to the present invention.

The electrical connector shown is intended for making electrical connections, in particular for supplying power to various electrical devices on the inner surface of the vehicle roof.

An electric connector is provided on an upper surface 1b for fixing the connector to a support on a roof of a vehicle (not shown).
A base 1 having two positioning posts 2 and hooks 3 is provided.

The base 1 has two bearing cylinders 4 on the lower surface 1a.

The portion of the base 1 between the bearing cylinders 4 and 4 is provided with two rows of continuous openings 5, and the two rows of continuous openings 5 form strips 6 between the openings.

The flange 7 of the U-shaped bracket 8 passes through two adjacent openings 5. The free end of the flange 7 clamps the bare wire portion 9 of the conductor 10, and the core 11 of the bracket 8 forms a contact on the lower surface 1 a of the base 1.

The base 1 is completed by a lateral projection 13 having two cutouts 14 for guiding a cable clamping member 15 intended to grip a collective mounting 16 of the wiring. The lower surface 1a of the base 1 is surrounded by a rim 17 on the outside. The lower surface 1a also has a rim 18 at the center between the bearing cylinders 4 and 4.

FIGS. 4 to 9 show the case where the connector has two projections 21.
And the free end of the conical frustoconical shape of the two projections 21 is engaged in the bearing tube 4. The projection 21 has a shaft hole 22 through which a screw passes to fix a screw screwed into the opening 25 of the bearing cylinder 4.

The fitting member 20 has, on its upper surface 20a, a projection 27 to be inserted into the hole 29 of the strip 28 of the comb member 30.

The mating member 20 and the base 1 are formed from an insulating plastic material, and after the strip 28 has been attached, the free end of the protrusion 27 of the mating member 20 is enlarged to secure the strip 28. .

The elastic blade member 31 extends from both sides of the strip 28, and the elastic blade member 31 rises at an angle of about 110 degrees with respect to the strip 28 and has convex curved portions 31a and 31a.
1b. These convex curved portions 31a and 31b extend away from the blade member 31 on one side of the strip 28 with respect to the corresponding blade member 31 on the other side of the strip 28.

The upper surface 20a of the fitting member 20 has a flat outer periphery, and the length of the rim 17 is such that the rim contacts the upper surface when the base 1 and the fitting member 20 are combined with each other. ing.

As shown in FIGS. 11 and 13, the connectors are connected to the tracks of the ribbon cables 35, 36 and 37.
Is used to electrically connect

The ribbon cables 35, 36 and 37 are inserted between the base 1 and the fitting member 20, so that the ribs 18
And the ribbon cable orbit passes through the blade member 31
Are electrically pressed against the contact 11 by the convex curved portion 31b.

In order to prevent the ribbon cables 35, 36 and 37 from sliding after the ribbon cables 35, 36 and 37 are attached, the ribbon cables are connected to the rim 17 and the flat surface 2.
The screw 23 attaches the fitting member 20 to the base 1.

FIG. 14 shows an electrical contact member 40 which can be replaced with a bracket.

The electrical contact member 40 has a U-shaped portion having a core 41 and two flanges 42,
The two free ends 43 extend outward.

The core 41 is extended by a strip 45 having two crimp ears 46 at one end for crimping connection with the bare wire end of the conductor 10b extending in the direction opposite to the flange 42, and the strip 45 is connected to the conductor 10b. And is terminated with another two crimp ears 48 for attaching the insulator.

FIGS. 15 and 16 show an embodiment in which the electric contact member 40 is used in place of the bracket 8. These figures use the same reference numerals as the previous figures to indicate the same components, but with a "b" after the reference numbers.

As shown in FIG. 15 and FIG.
b is fixed to the electrical contact member 40 by crimping the ears 46 and the ears 48, the electrical contact member 40 having the flange 42 inserted into the openings 5b on both sides of the strip 6b and the locking ears 44 being It is fixed to the strip 6b by expanding the flange 42 until it is locked against the surface of the strip 6b facing the surface to be mounted on the core 41.

In this embodiment, the conductor 10b is connected to the rim 1
Being on the same side as 7b, the rim 17b is provided with a hole 50 for passing the conductor 10b.

The outer surface of the core 41 of the electrical contact member 40 cooperates with the conductive track of the ribbon cable, thus forming an electrical contact.

The present invention is not limited to the embodiments shown and described above, and various modifications or changes can be made without departing from the scope of the invention.

[Brief description of the drawings]

FIG. 1 is a plan view of a base of an electrical connector according to the present invention.

FIG. 2 is a longitudinal sectional view taken along line 2-2 of FIG.

FIG. 3 is a cross-sectional view taken along line 3-3 in FIG.

FIG. 4 is a plan view of a fitting member of the electrical connector according to the present invention.

FIG. 5 is a vertical sectional view taken along line 5-5 in FIG. 4;

FIG. 6 is a cross-sectional view taken along line 6-6 in FIG.

FIG. 7 is a plan view of a comb member of the fitting member.

FIG. 8 is a front view of the comb member.

FIG. 9 is an end view as viewed from the direction of arrow 9 in FIG. 8;

FIG. 10 is a cross-sectional view of the assembled electrical connector.

FIG. 11 is a longitudinal sectional view taken along line 11-11 of FIG. 10;

FIG. 12 is a perspective view showing a state in which the conductor is attached to the base by the conductor fixing means.

FIG. 13 is a perspective view showing the assembly of the electrical connector.

FIG. 14 is a perspective view of another embodiment of the wire fixing means.

FIG. 15 is a longitudinal sectional view similar to FIG. 11 using the wire fixing means shown in FIG. 14;

FIG. 16 is a perspective view showing a state where a conductor is attached to a base by the conductor fixing means shown in FIG. 14;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 base 2 positioning post 3 hook 4 bearing cylinder 5 opening 6 strip 7 flange 8 bracket 10 conducting wire 11 core 20 fitting member 21 projection 22 shaft hole 23 screw 25 opening 28 strip 30 comb member 31 elastic blade member 35, 36, 37 Ribbon cable

Claims (9)

[Claims] An electric connector for connecting a conductive wire for collective attachment of wiring to a series of conductive tracks of a ribbon cable, said base having conductive wire fixing means connecting said connector to a contact, and said base A fitting member having a series of elastic blade members attached to the contact member and adapted to engage with the contact, and a ribbon cable inserted between the contact and the elastic blade member to fix the fitting member to the base. Electrical connector for a ribbon cable, comprising: 2. The base body is provided with a series of openings and a strip is formed between the openings, the wire fixing means is constituted by a U-shaped blanket having two flanges and a core, and the flanges are formed by two flanges. The electrical connector according to claim 1, wherein the core is provided with a contact, and is penetrated into an adjacent opening and crimp-connected to a conductor. 3. A series of electrical contacts comprising a U-shaped member having a core and two flanges, each flange having a respective locking ear facing the core. 3. The electrical connector according to claim 2, wherein the core is extended so as to be sandwiched between strips, provided with a contact on the outer surface of the core, and formed with a crimping lug for fixing the conductor. 4. The electrical connector according to claim 1, wherein the base is provided with a lateral protrusion having a cutout for guiding a cable tightening member for fixing the collective attachment of the wiring. 5. The base according to claim 1, further comprising a rim engaged with a corresponding upper surface of the fitting member for fastening the ribbon cable to a lower surface thereof facing the fitting member.
An electrical connector according to claim 1. 6. The electrical connector according to claim 1, wherein the base has a bearing tube on the lower surface facing the fitting member, and the fitting member has a projection engaged with the bearing tube. . 7. A strip fixed to the upper surface of the fitting member, from which the elastic blade member extends to both sides, wherein the elastic blade member includes a rising portion starting from the strip. The portion is extended by a convexly curved portion away from the blade member on one side of the strip with respect to the blade member on the other side of the strip, with the contact facing one of the elastic blade members on one side of the strip. 2. The electrical connector according to claim 1, wherein the strip is arranged in two continuous rows with the other one facing the elastic blade member on the other side of the strip. 8. The projection has an axial hole passing through the projection,
The electrical connector according to claim 6, wherein an opening for a screw for fixing the fitting member to the base is formed in the bearing cylinder. 9. The electrical connector according to claim 7, wherein a rib is provided on a surface of the base body facing the fitting member at a position aligned with the strip.