JP2623142B2 - Jig for flat cable - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a connector for connecting a large number of circuits at the same time, such as a computer-related device, in which a large number of core wires are arranged in parallel with contacts arranged in two rows. 2 covered in sheet form
The present invention relates to a flat cable press-fitting jig that presses a plurality of flat cables, and covers a pair of cable covers on outer surfaces of both flat cables.

(Prior Art) Inexpensive flat cable press-fitting jigs that can press-fit flat cables to connectors one by one by hand are widely known.

As an apparatus of this kind, an electric wire positioning jig which supports a connector on a positioning jig and swings to both side surfaces of the connector is disclosed in Japanese Patent Publication No. 55-25712 as an expensive apparatus for double-sided pressure welding. There is disclosed an arrangement in which an electric wire insertion plate is provided, the electric wires are positioned one by one on the jig, and the respective members are pressed toward the contacts by left and right handles.

In addition, the applicant previously filed a Japanese Patent Application No. 1-83230, and described a base, a connector holder holding the connector and being attached to the base so as to be slightly movable in both side directions of the connector, A cable guide having a cover with a cover above the connector, which can be freely opened and closed in the longitudinal direction and has a narrow top portion, and a holder arm which is pivotally attached to the base and can be stopped at both sides of the connector. A housing chuck attached to the holder arm and holding the housing; a support surface also attached to the holder arm and supporting one surface of an end of the flat cable facing a gap between the housing chuck and the connector; A cable holder having a pawl and a locking piece that can advance and retreat in the width direction of the cable with respect to the other surface; Digits and proposed a connector for cable connection apparatus characterized by comprising a pair of pressing plates for pressing.

(Problems to be Solved by the Invention) According to the invention described in Japanese Patent Publication No. 55-25712, it takes time and effort to position the electric wire, and when pressing the electric wire against the contact, it is difficult to balance the right and left forces. There is a possibility that they will not be pressed in the same state. Further, the invention described in Japanese Patent Application No. 1-83230, which solves this problem, holds the both ends of the flat cable with a cable holder, and holds the cable with a pressure plate while preventing the flat cable from coming off with a check claw. Since the pressing is performed, there is no displacement of the cable with respect to the connector, and the connection can be reliably performed. Such a double-sided pressure welding apparatus is expensive. When the flat cable of the related art is pressed against the connector one by one, there is a problem that the reliability of the pressure contact accuracy is insufficient because the flat cable is insufficiently clamped. There is also a problem that it takes time and effort because the manual work was required to cover the cover.

The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide two flat cables in which a large number of flat cables are arranged along both side surfaces of a partition wall of an insulating block of a connector. It is an object of the present invention to provide an inexpensive and inexpensive flat cable press-fitting jig which can be reliably connected to the contact and can cover the outer surface of the flat cable with a cable cover.

(Means for Solving the Problems) In order to achieve the above object, the present invention comprises a partition extending in the longitudinal direction at the center of one surface of an insulating block, and a cable core having slits along both side surfaces of the partition. The two flat cables each having a large number of core wires arranged in a sheet shape are connected to a connector having a large number of contacts each having a press-contacting protruding piece bent at a right angle at one end. In a flat cable pressure welding jig for covering a pair of cable covers on the outer surface of the locator plate, the locator plate is provided with a pair of guide blocks for fixing the connector and a left and right locking support base,
A flat cable holding plate is connected to the left and right arms pivotally supported by the lock support base, and an elastic member for holding the flat cable is provided on the holding plate.
The arm is provided with a latch, one end of which is engaged with the lock support base when the flat cable holding plate holds the flat cable, and is inserted and arranged between the arm and the locator plate of the connector arranged on the locator plate. What is characterized in that it comprises a cable cover dummy formed with a hole for protecting the protrusion by inserting the cable core wire pressure contact protrusions of the plurality of contacts disposed below the partition wall, The elastic member is preferably a sponge plate.

(Operation) With the above configuration, the cable cover dummy is attached to the connector, and the cable cover is placed down between the guide blocks of the locator plate, and the flat cable holding plate is lifted upward to connect the flat cable. Put on the connector, hold the flat cable with the elastic member of the flat cable holding plate, place the cable cover on the flat cable, press it with a hand press, each core wire of the flat cable is pressed into the slit of each contact At the same time, the cable cover is put on the flat cable and attached to the connector.

Next, the cable cover dummy was removed, the connector was turned upside down and placed between the guide blocks, and similarly, the flat cable placed on the connector was held by the elastic member of the flat cable holding plate, and the cable cover was further removed from the flat cable. When placed on the top and pressed by a hand press, each core wire of the flat cable is pressed into the slit of each contact, and the cable cover is put on the flat cable and attached to the connector and the opposing cable cover.

Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 1 is a perspective view showing an embodiment of a flat cable pressure welding jig according to the present invention, FIG. 2 is a perspective view showing a state where a cable cover dummy shown in FIG. 1 is attached to a connector, FIG. FIG. 3 is a front view of the connector shown in FIG.
Figs. 6 to 6 are process diagrams for attaching the flat cable and the cable cover to the connector by the flat cable pressure welding jig shown in Fig. 1, and Figs. 7 (a) to 7 (c) show A- 5A is a view taken in the direction of an arrow A, wherein FIG. 6A shows a state in which a flat cable holding plate is fixed by a latch, FIG. 7B shows a state in which a flat cable is held by a flat cable holding plate, and FIG. 2 shows a state in which two flat cables are held by a holding plate for use.

1 to 7, reference numeral 1 denotes a press-fitting jig for a flat cable according to the present invention, reference numeral 2 denotes a connector, reference numeral 3 denotes a cable cover dummy, reference numeral 4 denotes a locator plate, reference numerals 5 and 6 denote a pair of left and right guide blocks, Reference numerals 7 and 8 denote left and right locking supports provided on the locator plate 4, 9 and 10 denote support shafts, 11 and 12 denote left and right arms slidably mounted on the support shafts 9 and 10, 13 denotes A flat cable press plate connected to the left and right arms 11, 12; 14, a sponge plate as an elastic member provided on the flat cable press plate 13; 15, 16 a support shaft; 17, 18 a support Left and right latches swingably provided on shafts 15 and 16, 19 and 20 are stopper shafts,
21 and 22 are flat cables, 23 is a cable cover, and 24 is a hand press.

As shown in FIGS. 2 and 3, the connector 2 includes an insulating block 2a, a metal contact 2b, and an insulating thin plate 2c. The insulating block 2a has a partition wall 2d extending in the longitudinal direction at the center of the surface and an insertion hole 2e reaching the bottom surface.

The contact 2b has a protruding piece 2f bent at a right angle at one end. The protruding piece 2f has a V-shaped notch formed at the end edge thereof, and a cable core wire press-connecting slit connected to the bottom of the notch. Having. The other end is a bifurcated contact portion that contacts a contact of another cooperating connector. The plurality of contacts 2b are respectively press-fitted into insertion holes 2e arranged in two rows to form upper and lower two rows of connection parts, and the protruding pieces 2f at one end are respectively arranged on both sides of the partition wall 2d. Are arranged symmetrically.

The pitch between the slits of the protruding pieces 2f is a fixed length and is equal to the pitch of the core wires of the flat cables 21 and 22, and the pitch is, for example, 2.54 mm.

The cable cover dummy 3 is made of metal and provided with two rows of long holes 3a before and after the protrusions 2f are fitted therein, and is formed in substantially the same shape as one of the cable covers.

As shown in FIG. 1, the locator plate 4 is provided with a guide groove 4a on its upper surface in the longitudinal direction, and the guide groove 4a is provided with a long hole (not shown) for mounting.

The guide blocks 5 and 6 are slidably provided in the guide grooves 4a, and holding grooves 5a and 6a are provided on opposing side surfaces of the guide locks 5 and 6, and a contact 2b is provided between the holding grooves 5a and 6a.
Is mounted.

The locking supports 7 and 8 are respectively provided on the left and right ends of the locator plate 4 on the upper surface thereof in parallel with the guide grooves 4a.
Locking claws 7a, 8a are formed downward on one side of the guide groove 4a side, and grooves 7b, 8b are formed in the upper surface in orthogonal directions to form grooves 7b, 8b.
Has support shafts 9 and 10 for supporting arms 11 and 12 and stop width
19 and 20 are provided.

The flat cable holding plate 13 is attached to the left and right arms 11, 12
The lower part is provided with a sponge plate 14 for holding down the flat cable 21.

The latches 17 and 18 are swingably provided on the support shafts 15 and 16 by grooves 11a and 12a provided at the ends of the arms 11 and 12, respectively, and locking claws 17a and 18a are provided at one end. When the flat cable pressing plate 13 is pressing the flat cable 21, the locking claws 17a, 18a are engaged with the locking claws 7a, 8a of the lock support bases 7, 8.

The cable cover 23 is made of an insulating plate, and has a plurality of small square holes 23a at the same position as the protruding pieces 2f in the longitudinal direction.

With the flat cable pressure welding jig 1 according to the present invention,
A procedure for connecting the flat cables 21 and 22 to the connector 2 and covering the case cover 23 and the like will be described.

The worker attaches the groove 3a of the cable cover dummy 3 to the contact 2b of the connector 2 as shown in FIG.
As shown in FIG. 1, the holding grooves of the guide blocks 5 and 6
It is arranged between 5a and 6a. At this time, the connector 2 is disposed in the longitudinal direction between the holding grooves 5a, 6a, and the guide blocks 5, 6 are moved to make close contact with the side surface of the insulating block 2a of the connector 2, and the screws are tightened and fixed. .

The flat cable 21 is cut to a predetermined length by a cable cutter (not shown).

Next, the flat cable pressing plate 13 is lifted upward as shown in FIG. 4, and the flat cable 21 is placed on the contact 2b of the connector 2.

The flat cable holding plate 13 is tilted down as shown in FIG. 5 so that the latches 17 and 18 are engaged with the lock support bases 7 and 8, and the flat cable 21 is pressed by the sponge plate 14. Next, the operator places the cable cover 23 so as to support the flat cable 21 on the contact 2b with a finger.

This is placed on the hand press 24 and the hand press
When the cable 24 is pressed as shown in FIG. 6, each core wire of the flat cable 21 is pressed into the slit of each contact 2b, and the projections at both ends of the cable cover 23 are connected to the end face of the insulating block and the dummy 3 for the cable cover. It is guided by the grooves at both ends, covered with the flat cable 21, and attached to the connector 2.

At this time, the arc surface of the flat cable 21 is
The core wire and the slit have the same phase in contact with the V-shaped notch hypotenuse of... When the pressure is further increased, the coating breaks and the core wire comes into contact with the slit to be in a conductive state. It enters the square hole slightly but does not protrude.

Thus, the operation of pressing the flat cable 21 and the cable cover 23 on one side of the connector 2 is completed.

The operator removes the cable cover dummy 3 and places the flat cable 21 connected side down on the connector 2.
Are arranged between the holding grooves 5a, 6a of the guide blocks 5, 6.

Next, in the same manner as in the above-described procedures, the flat cable 22 placed on the contact 2b is held by the flat cable pressing plate 13, and the cable cover is further placed on the flat cable 22 on the contact 2b, and the hand press 24 is used. When pressed, each core wire of the flat cable 22 becomes each contact 2b
And the cable cover is put on the flat cable 22 and attached to the connector 2 and the opposing cable cover 23.

Thus, the operation of pressing the flat cables 21, 22 and the cable cover 23, etc., on both sides of the connector 2 is completed.

The cable cover dummy 3 reinforces the contact 2b, which is lowered when the flat cable 21 is pressed against the connector 2, so that the force of the hand press 24 is not directly applied.

Sponge plate provided on flat cable holding plate 13
14 can securely hold the flat cables 21 and 22 without damaging them, as shown in FIG.

(Effects of the Invention) According to the present invention, when one flat cable is pressed against a bent cable core wire pressure contact projection of a contact arranged along one side of a partition wall of a connector, the present invention provides the present invention. Protecting the projecting pieces of the contacts on the other side, the two flat cables can be reliably connected to a large number of contacts arranged along both sides of the partition wall of the insulating block of the connector, and the flat cable This has the effect that a cable cover can be put on the outer surface of the flat cable, and a labor-saving and inexpensive jig for a flat cable can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a flat cable pressure welding jig according to the present invention, FIG. 2 is a perspective view showing a state where a cable cover dummy shown in FIG. 1 is attached to a connector, FIG. FIG. 3 is a rear view of the connector shown in FIG. 1, and FIGS. 4 to 6 are process diagrams for attaching the flat cable and the cable cover to the connector by the flat cable pressure welding jig shown in FIG. (A)-(c) is the AA arrow view shown in FIG. 1, (a) shows the state which fixed the holding plate for flat cables with the latch, (b) is the holding plate for flat cables. Shows the state where the flat cable is held, and (c) shows the state where the two flat cables are protected by the flat cable pressing plate. DESCRIPTION OF SYMBOLS 1 ... Jig for flat cable 2 ... Connector, 2b ... Contact 2f ... Protrusion piece 3 ... Dummy for cable cover 4 ... Locator plate 5, 6 ... Guide lock, 7, 8 ... Lock Supports 11, 12… Arm 13… Flat cable holding plate 14… Sponge plate, 17, 18… Latch 21, 22… Flat cable 23… Cable cover

Claims (2)

(57) [Claims] A plurality of longitudinally extending partition walls are provided at the center of one surface of an insulating block, and a plurality of protrusions for slitting a cable core wire having slits are formed at one end thereof at right angles along both side surfaces of the partition walls. A flat cable press-fitting jig for connecting two flat cables each having a large number of core wires arranged in a sheet shape to a connector provided with contacts and covering a pair of cable covers on outer surfaces of both flat cables. In the locator plate, a pair of guide blocks for fixing the connector and left and right locking support bases are provided, and flat cable holding plates are provided on the left and right arms pivotally supported by the locking support bases, respectively. And an elastic member for holding the flat cable is provided on the holding plate, and the flat cable holding member is provided on the arm. When the board is holding down the flat cable, one end is provided with a latch that engages with the lock support base, and is inserted and arranged between a connector disposed on the locator plate and the locator plate, and is disposed below the partition wall. A cable cover dummy formed with a hole for protecting the projection by inserting the projections for press-fitting the cable core wires of the large number of contacts disposed on the jig. 2. The flat cable press-fitting jig according to claim 1, wherein said elastic member is a sponge plate.