JP2005093332A - Flat cable connecting fixture - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a flat cable connecting fixture 6, in which a sticking piece 4 to be stuck into the flat cable 2 can be surely stuck into a prescribed sticking piece insertion groove 9. <P>SOLUTION: In the flat cable connecting fixture 6, which is provided with a pair of insulating covers 7, 8 to be opposed to each other and coupled mutually in a state of pinching a part of the flat cable 2, and in which the metal sticking piece 4 to be stuck into the flat cable 2 is protruded and installed at an inner face of the insulating cover 7 while the sticking piece insertion groove 9 for the sticking piece 4 to be inserted is installed at an inner face of the insulating cover 8, a positioning mechanism 14 to carry out positioning of a tip end of the sticking piece 4 and the sticking piece insertion groove 9 is installed. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a flat cable connector used to connect flat cables used in electrical wiring of an electric device or an automobile.

  As shown in FIG. 4, a flat having a structure in which a plurality of flat conductors 1 made of strip-like conductors such as copper and aluminum, which are arranged in parallel as shown in FIG. The cable 2A (2B) has come to be used.

  As a connecting method between the flat conductors 1 of the pair of flat cables 2A and 2B, a flat cable connector 5 having a structure in which piercing pieces 4 are erected on both sides of the plate-like portion 3 as shown in FIG. As shown in FIG. 4, the flat cable 1 is inserted into the flat conductor 1 of the flat cable 2A, 2B to be connected, and the flat conductor 1 is made conductive by the flat cable connector 5. It has been practiced to connect the flat conductors 1 of the flat cables 2A and 2B by bending the ends of the piercing pieces 4 penetrating the cables 2A and 2B into a circular arc and crimping them (for example, Patent Documents). 1).

  Further, a flat cable connector 6 as shown in FIG. 6 has been proposed so that a branch circuit can be easily created from an existing flat cable circuit, and connections between flat conductors can be made (Japanese Patent Application No. 1994). 2002-104765). The flat cable connector 6 includes a pair of insulating covers 7 and 8 that are overlapped with each other by connecting members 10 and 11, and are connected to opposite edges of the pair of insulating covers 7 and 8. A flat cable positioning groove 12 for allowing a flat cable to be present to exist between the insulating covers 7, 8 is provided, and a plurality of metal piercing pieces 4 for piercing the flat cable are provided on the inner surface of one insulating cover 7. The flat cable connector 5 projecting from the piercing piece 4 is provided with the piercing pieces 4 protruding to the outside and the plate-like portion 3 embedded therein, and the piercing piece 4 is inserted into the inner surface of the other insulating cover 8. An insertion groove 9 is provided.

  The connector 10 is formed by a gate-shaped protrusion 10 a that protrudes in a direction orthogonal to the inner surface of the insulating cover 7. The connection tool 11 includes a support member 11a that protrudes in a direction orthogonal to the inner surface of the insulating cover 8, and a connection protrusion 11b that protrudes from a side surface of the support member 11a. Such couplers 10 and 11 are integrally formed of the same synthetic resin as the insulating covers 7 and 8. The pair of insulating covers 7 and 8 are overlapped with each other by a bendable connector 13 formed integrally with the same synthetic resin as the insulating covers 7 and 8.

  A flat cable connection method of this example using such a flat cable connector 6 will be described with reference to FIGS. Here, FIG. 7 is a plan view showing a state in which the flat cable to be connected to the open flat cable connector is arranged, and FIG. 8 is an explanatory diagram showing a process of connecting the flat cable with the flat cable connector 6.

  The method of connecting the flat cable using the flat cable connector 6 of the present example is as follows. The flat cable connector 6 shown in FIG. 6 is used, and the flat cable with the insulating covers 7 and 8 opened as shown in FIG. The end portions of the flat cables 2A and 2B to be connected are placed in contact with each other in the flat cable positioning groove 12 on the inner surface of the insulating cover 8 having the piercing piece insertion groove 9 by the connecting tool 6. In this state, the flat conductors 1 of the flat cables 2A and 2B to be connected to the piercing piece insertion groove 9 are in a corresponding state.

  In this state, the insulating covers 7 and 8 are closed, and the insulating covers 7 and 8 are overlapped with the couplers 10 and 11. The connecting tools 10 and 11 are performed by locking the connecting protrusion 11b of the connecting tool 11 to the gate-shaped protrusion 10a of the connecting tool 10.

  In this state, as shown in FIGS. 8A and 8B, the piercing pieces 4 of the same flat cable connector 5 are pierced into the opposing flat conductors 1 of the flat cable 2 to be connected, and the mutual flat conductors 1 is conductively connected through the plate-like portion 3 of the flat cable connector 5. Each piercing piece 4 that penetrates through each flat cable 2 fits into the piercing piece insertion groove 9 of the other insulating cover 8. In FIG. 8, for convenience of explanation, a case is considered in which the piercing piece 4 is pierced at one place among the flat conductors 1 of the plurality of flat cables 2 in order to pierce the piercing piece 4.

  Thus, when a flat cable is connected using the flat cable connector 6, a part of each flat cable 2A, 2B to be connected is arranged inside the pair of insulating covers 7, 8, and in this state, The flat cables 2A and 2B to be connected to the piercing pieces 4 projecting from the inner surface of the insulating cover 7 are pierced at the location of the flat conductor 1 to establish electrical continuity between the piercing piece 4 and the flat conductor 1, and the flat cables 2A and 2B. The flat conductor 1 is obtained by fitting the piercing piece 4 penetrating through the piercing piece insertion groove 9 on the inner surface of the other insulating cover 8 and overlapping the pair of insulating covers 7 and 8 with the coupling members 10 and 11. Connection between each other can be easily performed. The flat cable connector 5 has not only the plate-like portion 3 as shown in FIG. 5A, but also the plate-like portion 3 as shown in FIG. 5B. Even when the flat cable connector 5 bent in an L shape is used, the flat conductors 1 of the flat cables 2A and 2B intersecting at right angles can be easily connected.

JP 2002-246091 A

However, when connecting between the flat conductors 1 using the flat cable connector 6 as shown in FIG. 6, the following problems are considered to occur.
This will be described with reference to FIGS. 9A and 9B. For convenience of description, the piercing piece 4 is inserted into one of the flat conductors 1 of the plurality of flat cables 2 in order to pierce the piercing piece 4. Consider the case of establishing continuity.

  First, when the piercing piece 4 is pierced into the flat conductor 1 of the flat cable 2, there may be a displacement in the plane of each of the insulating covers 7 and 8, so the other insulating cover as shown in FIG. 9 (a). The positional relationship between the piercing piece insertion groove 9 of 8 and the piercing piece 4 of one insulating cover 7 does not necessarily match.

  In such a case, as shown in FIG. 9B, when the piercing piece 4 is fitted into the piercing piece insertion groove 9, the piercing piece 4 hits a position where the piercing piece insertion groove 9 does not exist. Therefore, the subject that the piercing piece 4 will buckle generate | occur | produces.

  Furthermore, when the insulating cover 7 is overlapped from above the insulating cover 8, the surface of the insulating cover 7 is easy to tilt. Even in such a case, the problem that the piercing piece 4 buckles occurs.

  Accordingly, an object of the present invention is to provide a flat cable connector 6 that can solve the problems of the flat cable connector 6 and can reliably pierce the piercing piece 4 into a predetermined piercing piece insertion groove 9. With the goal.

  A flat cable connector according to a first aspect of the present invention includes a pair of insulating covers that face each other with a portion of the flat cable sandwiched therebetween, and is provided on the inner surface of one of the insulating covers. Is a flat cable connector in which a metal piercing piece that pierces the flat cable is provided, and a piercing piece insertion groove for inserting the piercing piece is provided on the inner surface of the other insulating cover, the piercing piece A positioning mechanism is provided for positioning the tip of the piercing piece and the piercing piece insertion groove.

  The flat cable connector according to claim 2 of the present invention is the flat cable connector according to claim 1, wherein the positioning mechanism is provided with a plurality of convex portions on the inner surface of the one or other insulating cover, and the other Or it consists of what provided the some recessed part which fits the said convex part in the inner surface of one insulating cover.

  The flat cable connector according to claim 3 of the present invention is the flat cable connector according to claim 1 or 2, wherein the tip of the convex portion forming the positioning mechanism is tapered. To do.

  A flat cable connector according to a fourth aspect of the present invention is the flat cable connector according to the first, second, or third aspect, wherein the convex portion forming the positioning mechanism is a side of the flat cable to be disposed. It is characterized by being provided along.

The present invention has the following effects.
First, in the flat cable connector according to claim 1, since the positioning mechanism for positioning the tip of the piercing piece and the piercing piece insertion groove is provided, the tip of the piercing piece and the corresponding piercing piece using the positioning mechanism as a guide The relationship between the planar positions of the insertion grooves can always be matched. Therefore, each piercing piece is surely fitted into a predetermined piercing piece insertion groove, so that the problem that the piercing piece is buckled can be solved.

  In the flat cable connector according to claim 2, as a positioning mechanism for positioning the tip of the piercing piece and the piercing piece insertion groove, a plurality of convex portions provided on the inner surface of one or the other insulating cover, and the other Or what consists of a several recessed part fitted to the said convex part provided in the inner surface of one insulating cover is used. Therefore, using this as a guide, the relationship between the front end of the stab piece and the planar position of the stab piece insertion groove corresponding thereto can always be matched.

  In the flat cable connector according to claim 3, since the tip end portion of the convex portion forming the positioning mechanism is tapered, when the pair of insulating covers are overlapped with each other, the planar position of one insulating cover Even if it is slightly deviated from the other insulating cover, the tip of the convex portion is reliably inserted into the opening of the concave portion. Therefore, the relationship between the tip of the piercing piece and the planar position of the piercing piece insertion groove can always be matched.

  In the flat cable connector according to claim 4, when the end portions of the flat cable to be connected to the inner surface of the other insulating cover are arranged to face each other, the convex portions are provided along the sides of the flat cable. Therefore, this also serves as a flat cable positioning mechanism. Therefore, the flat cable does not move, and the piercing piece 4 can be reliably pierced into the flat conductor of a predetermined flat cable.

  FIG. 1 shows an embodiment of a flat cable connector 6 according to the present invention, and is a plan view showing an internal configuration with a pair of insulating covers 7 and 8 of the flat cable connector 6 opened.

  The flat cable connector 6 of this example is provided with a pair of insulating covers 7 and 8 which are overlapped with each other with the inner surfaces facing each other, like the flat cable connector 6 according to the prior art shown in FIG. Yes. Here, the plate-like portion 3 of the flat cable connector 5 shown in FIG. 5B is embedded in the inner surface of one insulating cover 7, and the piercing pieces 4 are projected. And the piercing piece insertion groove | channel 9 for inserting each piercing piece 4 which opposes is provided in the inner surface of the other insulating cover 8. As shown in FIG.

  Using this flat cable connector 6, flat cables 2A and 2B to be connected are arranged on the inner surface of the other insulating cover 8 as shown in FIG. As shown in the explanatory diagram, the pair of insulating covers 7 and 8 can be overlapped with each other in a state where a part of the flat cable 2 is sandwiched therebetween. That is, as shown in FIG. 3B, each piercing piece 4 of the flat cable connector 5 is pierced into the flat conductor 1 of the flat cable 2 to be connected, and the flat conductor 1 is conductively connected by the flat cable connector 5. Because.

  Here, the flat cable connector 6 includes a positioning mechanism 14 that positions the tip of the piercing piece 4 and the piercing piece insertion groove 9. That is, the positioning mechanism 14 is a process in which the inner surfaces of the pair of insulating covers 7 and 8 face each other and overlap each other, and the tip of the piercing piece 4 and the corresponding piercing piece are inserted using the positioning mechanism 14 as a guide. Positioning for matching the planar position relationship of the grooves 9 is performed.

  As a specific positioning mechanism 14, as shown in FIG. 1, a plurality of convex portions 15 are provided on the inner surface of the other insulating cover 8, and the convex portions 15 are inserted into the inner surface of one insulating cover 7. Are provided with a recess 16. Thus, the convex portion 15 and the concave portion provided at a predetermined position before and after the process of overlapping the pair of insulating covers 7 and 8 with each other with a portion of the flat cable 2 sandwiched therebetween. Therefore, the planar positions of the insulating covers 7 and 8 are not shifted from each other. That is, the positioning mechanism 14 can be guided to make the relationship between the tip end of the piercing piece 4 and the planar position of the corresponding piercing piece insertion groove 9 match.

  Thereby, it becomes possible to establish a correspondence between the tip of each piercing piece 4 and each piercing piece insertion groove 9, and each piercing piece 4 can be reliably inserted into the predetermined piercing piece insertion groove 9.

  Further, in the process in which the pair of insulating covers 7 and 8 face each other and overlap each other, the positioning mechanism 14 serves as a guide, so that the surface of one insulating cover 7 is inclined and the piercing piece 4 is buckled. It is also possible to solve the problem of end.

  That is, as a specific example of the positioning mechanism 14, a plurality of convex portions 15 provided on the inner surface of the other insulating cover 8 as shown in FIG. 1 and the convex portions provided on the inner surface of one insulating cover 7. If a plurality of recesses 16 that fit into 15 are used, the projections 15 corresponding to the number of the recesses 16 are always fitted into the plurality of recesses 16 as shown in FIG. The plane position of is not displaced. Therefore, the surface of one insulating cover 7 does not tilt.

As shown in FIG. 3, the convex portion 15 constituting the positioning mechanism 14 is preferably formed to be tapered in order to be easily fitted by the corresponding concave portion 16.
In this way, when the pair of insulating covers 7 and 8 are overlapped with each other in FIG. 3, even if the planar position of one insulating cover 7 is slightly shifted from the other insulating cover 8, The tip of 15 is securely inserted into the opening of the recess 16. Therefore, the relationship between the tip of the piercing piece 4 and the planar position of the piercing piece insertion groove 9 can always be matched.

  Furthermore, you may make it provide the convex part 15 which makes the positioning mechanism 14 along the edge | side of flat cable 2A, 2B which should be arrange | positioned like FIG. Thereby, when arrange | positioning the edge part of flat cable 2A, 2B which should be connected to the inner surface of the other insulating cover 8 against each other, flat cable 2A, 2B can be arrange | positioned correctly. Therefore, the convex portion 15 also serves as the flat cable positioning mechanism 12 shown in FIGS. Therefore, the flat cables 2A and 2B do not move, and the piercing piece 4 can be reliably pierced into the flat conductor 1 of the predetermined flat cables 2A and 2B.

  Further, the flat cable connector 6 shown in FIG. 1 has a positioning mechanism 15 provided with a plurality of convex portions 16 on the inner surface of the other insulating cover 8 and a plurality of concave portions 17 on the inner surface of one insulating cover 7. Although used, the convex portion 16 may be provided on the inner surface of one insulating cover 7, and the concave portion 17 may be provided on the inner surface of the other insulating cover 8.

In the flat cable connector which concerns on this invention, it is the top view which showed the internal structure in the state which opened a pair of insulating cover. It is a top view which shows the state which has arrange | positioned the flat cable which should be connected to the insulation cover of the flat cable connector which concerns on this invention. It is explanatory drawing which shows the process in which the flat cable is connected with the flat cable connector which concerns on this invention. (A) is a state immediately before the stab piece stabs into the flat conductor, and (b) is a state where the stab piece stabs into the flat conductor. It is a top view of the state which connected the flat conductor to which a mutual flat cable respond | corresponds with the flat cable connector 5 in the state which attached the flat cable which should be connected. It is the perspective view which showed the flat cable connector used for the connection of a flat cable. In the flat cable connector which concerns on a prior art, it is the perspective view which showed the internal structure in the state which opened a pair of insulation cover. It is a top view which shows the state which has arrange | positioned the flat cable which should be connected to the insulation cover of the flat cable connector which concerns on a prior art. It is explanatory drawing which shows the process of connecting a flat cable with the flat cable connector which concerns on a prior art. (A) is a state immediately before the stab piece stabs into the flat conductor, and (b) is a state where the stab piece stabs into the flat conductor. It is explanatory drawing which shows another process of connecting a flat cable with the flat cable connector which concerns on a prior art. (A) is a state immediately before the stab piece stabs into the flat conductor, and (b) is a state where the stab piece stabs into the flat conductor.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Flat conductor 2 Flat cable 3 Plate-shaped part 4 Puncture piece 5 Flat cable connector 6 Flat cable connector 7 (One) insulation cover 8 (Other) insulation cover 9 Puncture piece insertion groove 10 Connection tool 11 Connection tool 10a Gate Protrusion 11a Support member 11b Connection protrusion 12 Flat cable positioning groove 13 Connector 14 Positioning mechanism 15 Convex part 16 Concave part

Claims (4)

  Provided with a pair of insulation covers that face each other with a portion of the flat cable sandwiched between them, and a metal piercing piece that pierces the flat cable protrudes on the inner surface of one of the insulation covers A flat cable connecting device provided with a piercing piece insertion groove for inserting the piercing piece on the inner surface of the other insulating cover, and positioning the tip end of the piercing piece and the piercing piece insertion groove A flat cable connector characterized in that a mechanism is provided.   The positioning mechanism includes a plurality of convex portions provided on the inner surface of the one or other insulating cover, and a plurality of concave portions fitted to the convex portions on the inner surface of the other or one insulating cover. The flat cable connector according to claim 1, wherein:   The flat cable connector according to claim 1 or 2, wherein a tip end portion of the convex portion forming the positioning mechanism is tapered.   The flat cable connector according to claim 1, wherein the convex portion constituting the positioning mechanism is provided along a side of the flat cable to be arranged.

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