JPH0134863Y2 - - Google Patents

Description

[Detailed explanation of the invention] (1) Purpose of the invention (industrial application field) This invention is used in the technical field of press-connecting ribbon cables to connectors, and is particularly useful for connectors that connect two ribbon cables. This article relates to a pressure welding connection tool.

(Prior Art) The applicant proposed in Japanese Patent Application No. 59-23413 that a high-density press-contact connection is possible by arranging various types of contacts with different lengths, and using the same number of contacts as the number of types of contacts. We have proposed a connector that enables pressure connection of ribbon cables (see Figure 5 of the accompanying drawings of the present application and the explanation of this figure in the examples).

However, since there is no dedicated tool for pressure connection of this connector, it is necessary to use an appropriate pressure connection tool for each ribbon cable, and it has been desired to improve the work efficiency.

(Problems to be Solved by the Invention) The present invention attempts to solve the above-mentioned problems of the conventional technology. Provide wiring tools.

(2) Structure of the invention (means for solving problems) The invention consists of a housing in which two types of contacts of different lengths are installed parallel to each other at equal pitches on the same plane, and the above-mentioned contacts. An intermediate guide body having a guide hole through which the contact is installed, and a stepped portion on the side facing the contact implantation surface, with the short contact side being formed as a thin plate part and the long contact side being formed as a thick plate part. and a cap body having a contact receiving hole for receiving the tip of the contact passing through the guide hole of the intermediate guide body, and having a lock arm for engaging the housing and the cap body with each other, the connector has two plates. In order to press-connect the ribbon cable of

The ribbon cable pressure connection and connection tool of the present invention includes: a base having a recessed fitting groove for receiving a cap body, a guide surface for guiding the ribbon cable, and a stopper portion; a pressing body disposed above the recessed fitting groove so as to be able to rise and fall freely; a ribbon cable clamp body that rotates on one side of the guide surface and retracts from the position above the guide surface; The stopper portion is formed to extend horizontally from one edge of the recessed groove at a level of It consists of a leaf spring with a lockable intermediate flat part, the lower surface of which lies on the ribbon cable disposed on the guide surface when locked, and the upper surface of the intermediate flat part rests on the intermediate flat part disposed on the cap body. It is characterized by being located at the level of the upper surface of the thin plate part of the guide body.

(Operation) Pressure welding of ribbon cables using the above-mentioned pressure welding and connection tool is performed in the following manner.

Insert the cap body into the recessed groove of the tool.

Next, after the tip of the first ribbon cable is brought into contact with the stopper part, the first ribbon cable is arranged in the guide groove of the cap and further extended onto the guide surface of the base.

Next, the first ribbon cable is clamped on the guide surface by the clamp body, and the intermediate guide body is placed on the first ribbon cable on the cap body. At this time, the intermediate guide is
Since the position is determined by the locking arm of the cap, the guide hole of the intermediate guide and the contact receiving hole of the cap are in the same position.

Thereafter, the tip of the second ribbon cable is brought into contact with the stepped portion of the intermediate guide, and the second ribbon cable is arranged on the intermediate flat portion of the clamp body.

Finally, the housing is placed on the intermediate guide and the housing is pressed from above with a pressing member to complete the pressure connection. Here, when placing the housing, the long contact side implanted in the housing is placed on the thick plate side of the intermediate guide, and the short contact side is placed on the thin plate side.

(Embodiment) An embodiment of the present invention will be described below based on the attached drawings. The connector will be explained with reference to FIG.

FIG. 5 is a perspective view showing an exploded arrangement of the connector to which the present invention is applied.

This connector consists of an insulating housing 1, an intermediate guide 2 and a cap 3.

In the housing 1, a plurality of short contacts 11A and long contacts 11B, each having a blade-shaped press-contact portion with a conductor forming a V-shaped groove at the tip, and a plurality of long contacts 11B are implanted in parallel.

The intermediate guide body 2 has both the above-mentioned contacts 11A, 11
A guide hole 21 is provided to guide the cable through B, and the upper surface is flat, and the lower surface is provided with a second ribbon cable 92.
It has a stepped portion 23 with which the tip of the plate abuts, forming a thin plate portion 22A and a thick plate portion 22B. Of the above guide holes 21, guide hole 2 for the short contact 11A
1A is located in the thin plate portion 22A, and the guide hole 21B for the long contact 11B is located in the thick plate portion 22B.

The cap body 3 has a uniform flat plate shape, and is provided with at least a contact receiving hole 31B for the long contact 11B, and a first ribbon cable 9 is provided on the lower surface.
It has a guide groove 32 for guiding 1. Further, the side of the cap body 3 is provided with a lock arm 33 that guides the intermediate guide 2 and engages with a protrusion 12 provided on the side of the housing 1.

Next, a pressure connection tool according to an embodiment of the present invention, which is used for pressure connection of the above-mentioned connector, will be explained.

FIG. 1 is a perspective view showing the entire tool.
In the figure, reference numeral 4 denotes a base support plate placed on a desk where pressure welding work is performed, and a stand 7 on the side of the base support plate 4 rotatably supports a lever 8 equipped with a handle 81. is standing vertically.

A base 40, which is shown in detail in FIGS. 2 and 3, is removably provided on the upper surface of the base support plate 4.

Two blocks 41, 41 are attached to the base 40 in parallel to each other, forming a regulating surface 41A having the width of the ribbon cable 91.

The above-mentioned regulating surfaces 41A, 4 of both blocks 41, 41
A concave fitting groove 42 is formed on the base 40 between the connectors 1A and 42 to receive the cap body 3 of the connector so that the guide groove 32 thereof faces upward.

A planar ribbon cable guide surface 43 is formed from one edge of the recessed fitting groove 42 and extends horizontally at approximately the same level as the guide groove 32 of the cap body 3 disposed within the recessed fitting groove 42.

On the other hand, the other edge of the recessed fitting groove 42 is provided with a stopper 44 having a vertical surface.

A clamp body 5 made of a plate spring is provided at an outer position of the one block 41 so as to be rotatable about a shaft 55. The above clamp body is
It has a relatively rigid central flat part 52 and a springy base part 51 and a lock part 53 on both sides thereof. Clamp grooves 45, 46 are provided inside the blocks 41, 41 to set the clamp body 5 in the clamp position when it rotates. A hook-shaped lock member 47 for engaging the lock portion 53 of the clamp body 5 is disposed behind the clamp groove 46. The central flat portion 52 of the clamp body 5 is dimensioned so that its lower surface presses against the first ribbon cable 91 on the cap body 3 during clamping, as shown by the dashed line in FIG. . Further, the upper surface of the central flat portion 52 is set to be approximately at the same level as the upper surface of the thin plate portion 22A when the intermediate guide body 2 is placed on the first ribbon cable 91.

Note that 6 provided behind the lock member 47
is a lock release mechanism, and lock spring 48 (third
It has a lock release lever 61 that tilts the lock member 47 rearward against the force (see Figure B) and releases the lock part 53 of the clamp body 5, and extends below the recessed fitting groove 42 to push the connector downward. It also includes an eject lever 62 that is ejected from the engine.

On the other hand, the lever lever 8 has a concave fitting groove 4 of the base 40.
At a position above 2, a block-shaped pressing body 82 is attached which is raised and lowered by the operation of the lever 8.

Next, the pressure welding procedure in this embodiment will be explained with reference to FIG. 4.

First, with the guide groove 32 facing upward,
After the cap body 3 is inserted into the recessed fitting groove 42, the first ribbon cable 91 is passed over the guide groove 32 of the cap body 3 and the guide surface 43 of the base 40, and the first ribbon cable 91 is The tip of 91 is brought into contact with the stopper part 44.

In this state, the clamp body 5 is rotated and brought to a position above the guide surface 43 which becomes the clamp position,
While pressing the first ribbon cable 91 from above, the lock portion 53 of the clamp body 5 is engaged with the lock member 47. The setting of the first ribbon cable 91 is thus completed (see FIG. 4A).

Next, move the intermediate guide 2 so that its thick plate part 22B is located on the distal side of the first ribbon cable and its step part 23 faces upward. It is placed on the ribbon cable 91. At this time, since the intermediate guide body 2 is positioned by the lock arm 33 of the cap body 3, the guide hole 21 for the long contact in the intermediate guide body 2
B and the contact receiving hole 31B of the cap body 3 are in the same position via the first ribbon cable 91. Thereafter, the second ribbon cable 92 is extended from the intermediate guide body 2 onto the central flat part 52 of the clamp body 5, with its tip abutting the step part 23 of the intermediate guide body 2 (the second ribbon cable 92 is arranged). (See Figure 4B).

Next, the long contact 11B of the housing 1 is inserted into the guide hole 21B for the long contact of the intermediate guide 2, and the housing 1 is placed on the intermediate guide 2 and the second ribbon cable 92. Thereafter, by operating the lever lever 8, the pressing body is lowered to press the housing 1 from above, thereby making a pressure connection (see FIG. 4C). At this time, the long contact 11B passes through the guide hole of the intermediate guide body 2 and reaches the first ribbon cable 91, and the short contact 11A directly reaches the second ribbon cable 92. Further, along with the above pressure welding, the lock arm 33 of the cap body 3 is engaged with the protrusion 12 of the housing 1 to be in a locked state, and the connector after the pressure welding is integrated.

Finally, operate the lock release mechanism 6 to release the lock member 47 and release the ejector lever 6.
2, push out the connector from below after the pressure welding is completed and take it out.

(3) Effects of the invention The invention as described above provides the following effects.

Since the first and second ribbon cables are pressure-welded using one type of pressure-welding and connecting tool, it is possible to simplify the apparatus and reduce costs.

The pressure welding process is performed at once, which shortens the process and improves work efficiency.

Since the first ribbon cable is clamped by the clamp body, there is no misalignment of the first ribbon cable during setting of the second ribbon cable, and reliable and accurate pressure welding can be achieved, drastically reducing the rate of defective pressure welding.

[Brief explanation of drawings]

Fig. 1 is a perspective view of the entire ribbon cable insulation displacement tool according to an embodiment of the present invention, Fig. 2 is a perspective view of the main part of the tool shown in Fig. 1, showing the part above the base, and Fig. 3
Figure B is a partially cutaway front view, Figures 4A to C are schematic diagrams showing the pressure welding process using the tool in Figure 1, and Figure 5 is the connector to be pressure welded by the present invention. FIG. 2...Intermediate guide body, 22A...Thin plate part, 3...
Cap body, 40...base, 42...recessed groove, 4
3... Guide surface, 44... Stopper surface, 5... Clamp body, 52... Intermediate flat part, 82... Pressing body,
91...first ribbon cable, 92...second ribbon cable.

Claims (1)

[Claims for Utility Model Registration] A housing having two types of contacts of different lengths planted parallel to each other and at equal pitches on the same plane, and having a through guide hole for the contacts, and making contact. an intermediate guide body having a stepped part on the side facing the child planting surface, a thin plate part on the short contact side and a thick plate part on the long contact side; and a guide hole of the intermediate guide body. A pressure welding connection tool for press-welding two ribbon cables to a connector, comprising a cap body having a contact receiving hole for receiving the tip of a contact, and a locking arm for engaging the housing and the cap body with each other. , a base having a recessed groove for receiving the cap body, a guide surface for guiding the ribbon cable, and a stopper part, a pressing body disposed above the recessed groove so as to be able to move up and down, and a rotating part on one side of the guide surface. a ribbon cable clamp body that moves to appear and retract to a position above the guide surface, and the guide surface is located at one side of the recessed groove at the level of the ribbon cable guide groove of the cap body to be inserted into the recessed groove. The stopper portion is formed vertically from the other edge of the recessed fitting groove, and the clamp body is a plate having an intermediate flat portion that can be locked at a position on the guide surface. The lower surface of the intermediate flat part is located on the ribbon cable arranged on the guide surface when locked, and the upper surface is at the level of the upper surface of the thin plate part of the intermediate guide arranged on the cap body. A ribbon cable pressure welding connection tool characterized by: