JPH0636377B2 - Flat connector for flat cable - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Outline of the Invention] The present invention is made as thin as possible so that it does not hinder pedestrians and does not impair the function of the floor. In order to be robust and compact, it is possible to connect the bottom plate part in the extension direction of the flat cable to a rectangular base with a frame part slightly higher than the cable diameter and a position lower than the bottom plate part of the base. A terminal plate having a plurality of connection terminals arranged at the end, which has a U-shaped groove for press-contacting the cable core wire, and a protective groove that covers the terminal plate from the top and stores the base and protects the cable in the cable extension direction. And a cover having a skirt portion formed on the outer surface to reduce the step difference with the floor in the cable extension direction.

[Industrial application field]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thin connector for connecting a flat cable on a floor or the like in indoor wiring of a telephone or the like.

[Conventional technology]

With the rapid development of electronic devices, many connectors for connecting various cables have been developed.

A connector for connecting a flat cable is generally often used inside an electronic device or the like, and the outer shape and the connection method are determined according to the application such as the connection location.

[Problems to be solved by the invention]

In recent years, with the advent of a wiring method for a telephone or the like using a flat cable, there is a need for a case where the connector is installed on the floor surface.
Since it protrudes mm, it interferes with walking and impairs the function of the floor.

If the floor is a carpet floor, it is necessary to cut the carpet.

 Harmony with the indoor environment cannot be achieved.

There were drawbacks such as.

[Means for solving problems]

In order to eliminate the conventional drawbacks, the present invention is a connector for connecting a flat cable for indoor wiring installed on a floor surface, wherein the flat cable connecting connector is the flat cable for mounting the connection flat cable. From a rectangular base having long sides in the extension direction of the flat cable, a terminal plate fitted to the base connecting the separated core wires of the flat cable, and a cover for protecting the base and the terminal plate. The base is provided with a frame portion having a height slightly higher than the diameter of the flat cable from the bottom portion in the extension direction of the flat cable, and the terminal plate is a separate core of the flat cable to be connected. It has a U-shaped groove for pressing a wire at its end and is arranged in the slit of the terminal plate, and is installed at a position lower than the bottom plate part of the base into which the terminal plate is fitted. A connecting terminal which is adhered below the bottom plate of the terminal plate and is held between the terminal plate and the terminal plate receiving groove of the base; and a slit which is adjacent to the connecting terminal and accommodates the flat cable core wire. The cover is provided with an accommodating portion that covers the terminal plate from the upper surface and accommodates the base, and a cable protection groove that protects the flat cable in the flat cable extension direction, and has a cable extension on the outer surface. It is characterized by forming a tapered skirt portion in the direction.

[Action]

In the connector of the present invention, the connection terminal is fitted at a position lower than the base bottom plate portion, and the cable core wire is housed in the frame portion having a height slightly higher than the flat cable diameter. Since it is configured to be covered with a cover having a tapered skirt portion, the function of the floor surface can be maintained by making it thinner, smaller and more robust. The details will be described below with reference to the drawings.

〔Example〕

FIG. 1 is an exploded perspective view showing an embodiment of a flat connector for a flat cable of the present invention, FIG. 2 is a sectional view showing a connected state, and FIG. 3 is a sectional view of an essential part of a cover. The flat cable thin connector is composed of a base 1, a thin terminal plate 2 provided in the center of the base 1, and a thin cover 3 covering the top surface.

A plurality of connection terminals 4 (FIGS. 2 and 4) are attached to the terminal board 2.

The base 1 has a thin rectangular shape that is long in the cable extension direction as a whole, and has a thin plate bottom plate portion 25 having required strength.
And an outer frame part 5 that is raised slightly higher than the cable diameter around the upper surface of the bottom plate part 25, and a middle frame part 6 that is raised in the middle of the outer frame part in the width direction. A cable passage groove 7 is formed at the end portion in the length direction by the distance between the outer frame portion 5 and the middle frame portion 6.

A terminal plate receiving groove 8 into which the terminal plate 2 is inserted is provided in the center of the base 1, a positioning groove 9 is provided inside the outer frame portion 5 in the width direction, and an engaging receiving groove 10 is provided outside the width direction. There is.

The terminal plate 2 has a rectangular shape with an open top, and includes a thin plate-like bottom plate 11, a frame portion 12 that is erected from the left and right sides in the cable radial direction, and an outermost positioning protrusion 13 of the frame portion 12. It is configured. The end of the frame portion 12 in the cable extension direction is a mushroom-shaped protrusion 14. In addition, a slit 15 is formed between the mushroom-shaped protrusions 14 to prevent the recessed cable from coming off. On the inner side of the slit 15 in the cable extension direction, the connection terminal 4 is adhered to the thin plate-like bottom plate 11 at the bottom of the slit 15 of the terminal plate 2 and fitted into the terminal plate receiving groove 8 of the base 1 together with the terminal plate 2 to form a whole. A metal conductor terminal having a U-shaped cross section is formed (Fig. 2).

The cover 3 covers the base 1 and has a rectangular shape that is longer than the base 1 in the axial direction.
It comprises a skirt portion 17 extending from the top plate portion 16 in a taper shape which becomes lower in the length direction, and a side frame portion 18 extending below the top plate portion.

In addition, as shown in FIG. 2, a storage portion 19 of the base space defined by the top plate portion 16 and the side frame portion 18 is formed, and
A spacer 20 when the cover is attached is attached to the lower surface so as to intersect the end surface of the middle frame portion 6. Side frame of cover 3
At the center of the lower part of the inner surface of 18, as shown in FIG.
Is attached. Further, the skirt portion 17 is thickly reinforced on the upper surface and the left and right sides, and has a cable protection groove 22 in the length direction and a taper-shaped cable escape wall 23 following the cable protection groove 22. .

Although the terminal plate 2 is fitted into the terminal plate receiving groove 8 of the base 1 in advance, the positioning groove 9 and the positioning protrusion 13 allow accurate positioning.

The connection terminal 4 having the U-shaped groove 24 is preferably adhered to the bottom of the terminal plate bottom plate 11. FIG. 4 shows a perspective view of an embodiment of the connection terminal 4 with the U-shaped groove 24.

Explaining the use and operation based on the above configuration, for example, four flat cables a are divided into two pieces, respectively passed through the cable passage grooves 7, and further led to the slit 15 of the terminal board 2. After that, the core of the flat cable a is pressed into the U-shaped groove 24 with a connecting tool, so that the core of the flat cable a is press-contacted, and the connecting terminal 4 and the core of the flat cable a are connected. Connected.

The flat cable thin connector uses the external force generated by stepping on the flat cable to prevent the external force from being applied to the frame 1 of the terminal board 2.
2. Disperse in the outer frame part 5, the middle frame part 6 of the base 1 and the side frame part 18 of the cover 3.

The connection terminal 4 is made of a thin metal piece and has a U-shaped cross section.

 A terminal plate receiving groove 9 is provided in the base 1.

As a result, it is possible to make the product thinner and more robust. After connecting the flat cable a, the engagement projection 21 of the cover 3 is engaged with the engagement receiving groove 10 of the base 1.

The flat cable a is pressed again by the spacer 20 at the portion protruding from the slit 15, is guided from the position-fixed bottom plate portion 25 to the escape wall 23, and reaches the cable protection groove 22.

The connection location of the terminal board 2 can be made waterproof by filling it with a moisture-proof admixture. Also, a double-sided adhesive tape c may be attached to the bottom of the base 1 to fix the connector in position on the floor surface b.

As is clear from the above embodiment, the terminal plate 2 can be accurately attached to the base 1 by the engagement of the positioning groove 9 and the positioning protrusion 13, and both the base 1 and the terminal plate 2 can be easily manufactured individually. be able to. Further, the spacer 20 serves as a reinforcing rib in the width direction of the top plate portion 16.

The spacer 20 and the middle frame portion 6 serve as a positioning guide between the base 1 and the cover 3.

The flat cable a coming out from the slit 15 is pressed and fixed.

〔The invention's effect〕

As described above, the flat connector for flat cable according to the present invention can be made thinner so as not to impair the function of the floor surface and to be in harmony with the indoor environment.

In the case of the floor of a carpet floor, it is not necessary to cut the carpet because it can be installed under the carpet.

And so on.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention, FIG. 2 is a sectional view showing a flat cable connection state by a connector of the present invention, FIG. 3 is a sectional view of a main part of a cover, and FIG. It is a perspective view of an example of a connection terminal which has a U-shaped groove in an end. 1 ...... Base 2 ...... Terminal plate 3 ...... Cover 4 ...... Connection terminal 5 ...... Outer frame part 6 ...... Middle frame part 7 ...... Cable passage groove 8 ...... Terminal plate receiving groove 9 ...... Positioning groove 10 ... ... Engagement receiving groove 11 ... Thin plate 12 ... Frame 13 ... Positioning projection 14 ... Mushroom projection 15 ... Slit 16 ... Top plate 17 ... Skirt 18 ... Side frame 19 …… Base space compartment 20 …… Spacer 21 …… Engagement projection 22 …… Cable protection groove 23 …… Cable escape wall 24 …… U-shaped groove 25 …… Thin bottom plate a …… Flat cable b …… … Floor c… Double-sided adhesive tape

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Fuei Usui 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Japan Telegraph and Telephone Public Corporation (72) Inventor Tadaaki Nezu 1-8-19 Shiba, Minato-ku, Tokyo Stocks Company Hakusan Works (72) Inventor Shoichi Wakuda 1-8-19 Shiba, Minato-ku, Tokyo Inside Hakusan Works Co., Ltd.

Claims (1)

[Claims] 1. A connector for connecting a flat cable for indoor wiring installed on a floor surface, wherein the flat cable connecting connector is an extension direction of the flat cable for mounting the flat cable to be connected. A rectangular base having a long side at the end, a terminal plate fitted to the base for connecting separate core wires of the flat cable, and a cover for covering and protecting the base and the terminal plate. A frame portion having a height slightly higher than the diameter of the flat cable is provided from a bottom portion in the extension direction of the flat cable, and the terminal plate presses the separated core wire of the flat cable to be connected U It has a groove at the end and is arranged in the slit of the terminal plate described later, and is installed at a position lower than the bottom plate part of the base to which the terminal plate is fitted. A connection terminal that is adhered underneath and that is held between the terminal plate and the terminal plate receiving groove of the base; and a slit that is adjacent to the connection terminal and that accommodates the flat cable core wire; A housing part for covering the terminal plate from the upper side and housing the base; and a cable protection groove for protecting the flat cable in the flat cable extension direction, and a taper shape on the outer surface in the cable extension direction. A thin connector for a flat cable, characterized in that a skirt portion of is formed.