JP2001198669A - Soldering jig for electric wire and terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a soldering jig by making it possible to exactly obtain a distance from a terminal to a sealing material in soldering and to prevent the failure of the sealing material by a metal mold when molding. SOLUTION: This soldering jig is constituted by providing a base 300 having a flat top surface with a holding hole 310 in which an ABS sensor 200 is held and the side part of the holding hole 310 is projectingly provided with a guide plat 400 having a notch 421 so as to incline to the holding hole 310 side. The sealing material 110 is brought into abutment on the holding hole side end face of the guide plate 4000 and a harness is inserted into the notch 421, by which the harness 100 is positioned and held. A cable conductor 130 at the terminal of an electric wire is extended upward of the coil terminal 230 of the ABS sensor 200 held by the holding hole 310 and in this state the cable conductor 130 and the coil terminal 230 are soldered.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jig used for soldering a core wire exposed at a terminal portion of an electric wire and a terminal previously attached to an electric component.

[0002]

2. Description of the Related Art Recently, an ABS (antilock brak) for automatically controlling the rotation of a wheel in the rotational direction due to braking has been provided on a vehicle.
Various types of automatic control systems, such as those represented by an automatic control system, are mounted. Therefore, when arranging the wire harness, the core wire exposed at the wire end and the AB
It is indispensable to perform an operation of soldering a terminal previously attached to an electric component having a self-impedance such as an S sensor.

FIG. 5 shows a jig used for such a soldering operation. In FIG. 5, reference numeral 1 denotes a harness in which the electric wires w <b> 1 and w <b> 2 are covered with a jacket (sheath) 11, and a seal rubber ring forming a sealing material 12 is attached to a terminal portion of the jacket 11. From the sealing material 12, the electric wires w1,
w2 is stretched, and an intermediate skin is applied near the ends of the electric wires w1 and w2, so that the core wire 13 is exposed. Reference numeral 2 denotes an ABS sensor, and a pair of terminals (hereinafter, referred to as “coil terminals”) 22 are attached to the coil 22 press-fitted into the housing 21. 3 is electric wires w1 and w2
And a base on which the ABS sensor 2 is set, the upper surface of which is flat. The base 3 is provided with a holding hole 31 for holding the ABS sensor 2. The sealing material 1 is placed on the base 3 offset from the holding hole 31.
2, a guide plate 4 for projecting the core wire 13 to the coil terminal 21 is projected. The guide plate 4 has a notch 41 into which the sealing material 12 is inserted from above.

That is, in the above soldering jig, the sealing material 1
The sheath 11 is inserted into the notch 41 so that the harness 1 is positioned and held so as to make the abutment 2 come into contact with the end face of the guide plate 4 on the holding hole side, and the intermediate stripped core wire 13 is held by the holding hole 31. The core wire 13 and the coil terminal 23 are soldered in this state.

[0005]

However, the following problems have been pointed out in the conventional soldering jig. Usually, when the core wire 13 and the coil terminal 23 are soldered, as shown in FIG.
The region R is solidified (hereinafter, this region R is referred to as a “solder solidified portion R”). In the conventional soldering jig, the harness 1 is positioned and held so that the sealing material 12 is substantially parallel to the upper surface of the base 3.
Therefore, the guide plate 4 and the holding hole 31 respectively
When the electric wire 1 and the ABS sensor 2 are set and soldered, as shown in FIG. 5B, the core wire 13 must be bent downward (the coil terminal 23). Accordingly, the ABS sensor 2 floats out of the holding hole 31 in the process until the solder solidifies. As a result, the length distance L (see FIG. 6) from the solder solidified portion (coil terminal 23) to the sealing material 11 and the height distance H (see FIG. 6) from the coil terminal 23 to the sealing material 11 are accurately and stably. You may not be able to put out. This is a major factor in the yield.

After performing the above-mentioned soldering operation, the soldering portions are set on molding dies 51 and 52 and molded with resin 6 as shown in FIG. When the above-mentioned soldering operation is performed using a conventional soldering jig and the harness 1 and the ABS sensor 2 are removed from the jig, the core wire 1
3 is soldered to the coil 22 in a substantially flat (parallel) state. Therefore, when the above-mentioned soldering portions are set in the molding dies 51 and 52, a load is applied to the periphery of the flexible jacket 11. As a result, there is a defect that the molds 51 and 52 bite the jacket 11 and cause breakage.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is possible to accurately and stably obtain a distance from a terminal to an end surface of a sealing material when soldering, and to use a mold at the time of molding. It is an object of the present invention to provide a soldering jig that can prevent breakage of a tube.

[0008]

In order to solve the above-mentioned problems, a soldering jig according to the present invention solders a core wire exposed in the vicinity of a terminal portion of an electric wire, and the electric wire and a terminal at an offset position. A holding hole for holding an electric component to which the terminal is mounted in advance, and an electric wire inserted into a side portion of the holding hole. A guide plate for a sealing material having a notch is provided so as to be inclined and protruded toward the holding hole side, and a sealing material to be sheathed on the electric wire is brought into contact with an end face of the guide plate on the holding hole side, and the wire is inserted into the notch. With the inserted and positioned and held, the core wire of the wire terminal portion is inclined downward and extended above the terminal held by the holding hole, and the core wire and the terminal are soldered in this state. I have.

The guide plate is inclined at an angle of 15 ° to 20 ° toward the holding hole with respect to a vertical line from the upper surface of the base, and the bottom surface of the notch is positioned with respect to the base. Thus, it is preferable to incline the holding hole side in the range of 15 ° to 20 °. Means for holding the electric wire from both sides are arranged on the side opposite to the holding hole of the guide plate. In addition, as an electric component having the terminal, an ABS mounted on an automobile
The core wire and the terminal to be soldered are suitably applied to a resin-molded one.

In the above structure, the electric component is inserted and inserted into the notch so that the sealing material is brought into contact with the end of the guide plate on the holding hole side, and the electric wire is positioned and held, and the core wire is held by the holding hole. 15 above the (ABS sensor) terminal
Since the core wire and the terminal are soldered in this state while being inclined downward in the range of 20 ° to 20 °, it is not necessary to bend the core wire downward (terminal) when soldering. . Therefore, in the process of solidifying the solder,
The electric component does not float out of the holding hole. As a result, the distance from the terminal to the sealing material does not vary,
This distance can be accurately and stably obtained. As described above, in addition to the above distance being the same as the dimension of the molding die, the core wire is soldered in a state where the core wire is inclined with respect to the terminal in the range of 15 ° to 20 °. Therefore, when the soldering portion between the core wire and the terminal is set in a mold and molded with a resin, no load (load) is applied to the periphery of the sealing material. As a result, defects such as the seal material being deformed and damaged by the mold are reduced.

When the electric wire is set on the guide plate, the electric wire is sandwiched from both sides, so that the positioning and holding of the electric wire can be performed more firmly.

[0012]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. In FIG. 1, reference numeral 100 denotes a harness in which two electric wires w1 and w2 are covered with a jacket 11, and a sealing member 110 formed of a seal rubber ring is fitted to a terminal portion of the jacket 11. This sealing material 1
Near the ends of the electric wires w1 and w2 extending from 10, intermediate peeling is performed, and the core wire 130 is exposed. 200 is A
A pair of terminals (hereinafter, referred to as “coil terminals”) 230 are attached to the coil 220 press-fitted into the housing 210 of the BS sensor.

Referring to FIGS. 1 and 2, a soldering jig according to the present embodiment includes a core wire 130 and a coil terminal 230.
The upper surface is flat and the base 300 on which the harness 100 and the ABS sensor 200 are set is provided.

The base 300 is provided with a holding hole 310 for holding the ABS sensor 200, and a pair of pins 320 for locking the ABS sensor 200. This holding hole 31
0 is formed to penetrate in the up-down direction as shown in FIG. Base 3 offset from holding hole 310
2A, a sealing material 120 is formed on the sealing material 120 as shown in FIG.
A guide plate 400 for guiding the receiving core wire 130 to the coil terminal 230 is fixed via a pair of screws 500.

The guide plate 400 is an angle member having an elevation angle of 110 °. As shown in FIG. 3, the guide plate 400 is provided upright from a mounting portion 410 mounted on the base 300 and an end of the mounting portion 410 on the holding hole side. The guide part 420 and the guide part 4
20 and a step 430 provided on the side opposite to the holding hole of the joint between the mounting portion 410. A pair of long holes 411 for adjusting the mounting position are formed in the mounting portion 410 along the front-rear direction, and the screw 500 is inserted into each of the long holes 411. As shown in FIG. 2B, the guide portion 420 is inclined by 20 ° toward the holding hole 310 with respect to a vertical line RL from the upper surface of the base 300, and the central portion thereof has the shape shown in FIG.
As shown in FIG. 7, a notch 421 into which the harness 100 is inserted from above is provided. The notch 421 is formed in a substantially U-shape, and the bottom surface thereof is positioned on the holding hole 310 side with respect to the base 300 as shown in FIG.
° is inclined. On the step portion 430, an electric wire clamping means 600 for elastically clamping the harness 100 from both sides (right and left directions) orthogonal to the length direction thereof is fixed via screws 700.

As shown in FIG. 2, the electric wire clamping means 600 includes an attaching portion 610 attached to the guide plate 400,
A pair of upright portions 620 are provided upright from the left and right ends of the mounting portion 610 with an interval capable of holding the harness 100 therebetween. As shown in FIG. 2A, the ball plungers 800 having a holding force in the direction of pressing the harness 100 are screwed into these standing portions 620, respectively.

In the above configuration, when performing the soldering operation, the harness 100 is positioned and held in the notch 421 while the sealing member 110 is in contact with the end of the guide plate 400 on the holding hole side, and the intermediate skin is peeled off. Insert the core wire 130 into the holding hole 31
It is inclined downward by 20 ° to extend above the coil terminal 230 of the ABS sensor 200 held by 0. At this time, the harness 100 is clamped from both sides (left and right directions) by the wire clamping means 600. In this state, core wire 1
30 and the coil terminal 230 are soldered.

That is, according to the present embodiment, the following operation and effect can be obtained. The harness 100 is inserted into the notch 421 to position and hold the harness 100 so that the sealing material 110 abuts on the end of the guide plate 400 on the holding hole side.
The core wire 130 of the ABS sensor 200 held in the holding hole 310 is extended by being inclined downward by 20 ° downwardly and extending in this state.
30 is soldered, so when soldering,
It is not necessary to curve the core wire 130 downward (the coil terminal 230). Therefore, the ABS sensor 200 does not rise from the holding hole 310 in the process of solidifying the solder. As a result, the length distance L1 from the solder solidified portion (coil terminal 230) to the sealing material 110
(See FIG. 1B) and the height distance H1 from the coil terminal 230 to the sealing material 110 (see FIG. 1B) does not vary, and the distances L1 and H1 are accurately and stably obtained. Can be.

As described above, in addition to the distances L1 and H1 being equal to the dimensions of the molding die, as a result,
30 is soldered to the coil terminal 230 in a state of being inclined by 20 ° with respect to the coil 220. for that reason,
As shown in FIG. 4, when the soldering portion between the core wire 130 and the coil terminal 230 is set in the molding dies 910 and 920 and molded with the resin 1000, no load is applied to the periphery of the sealing material 110. . As a result, defects such as the seal material 110 being deformed and damaged by the molds 910 and 920 are reduced.

When the harness 100 is set on the guide plate 400, the electric wires are clamped from both sides (left and right directions) by the wire clamping means 600 on the side opposite to the holding hole of the guide plate 400, so that the positioning of the harness 100 is performed. The holding can be performed more firmly.

It should be noted that the present invention is not limited to the above-described embodiment, and it goes without saying that other modifications and design changes may be made within the scope of the present invention.

[0022]

As is clear from the above description, according to the present invention, the distance from the terminal to the sealing material can be accurately, stably and accurately obtained at the time of soldering, and the metal at the time of molding can be obtained. The seal material can be prevented from being damaged by the mold.

[Brief description of the drawings]

FIG. 1 shows a state where an electric wire and a sensor are set on a soldering jig according to an embodiment of the present invention, and (a).
FIG. 1B is a plan view, and FIG. 1B is a longitudinal sectional side view taken along line II in FIG.

FIG. 2 shows a configuration of a soldering jig, wherein (a) is a plan view and (b) is a side view.

FIG. 3 is a perspective view showing a configuration of a guide plate.

FIG. 4 is a simplified cross-sectional view showing a state where a soldering point is set in a molding die and resin molding is performed.

5A and 5B show a configuration of a conventional soldering jig, wherein FIG. 5A is a plan view and FIG. 5B is a side view.

FIG. 6 is a diagram showing a simplified soldering state.

FIG. 7 is a simplified cross-sectional view showing a state where soldering points are set in a molding die and resin molding is performed.

[Explanation of symbols]

 REFERENCE SIGNS LIST 100 electric wire 110 sealing material 130 core wire 200 ABS sensor 230 coil terminal 300 base 310 holding hole 400 guide plate 421 notch 600 electric wire clamping means

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Claims (3)

[Claims] 1. A jig for soldering a core wire exposed at a terminal portion of an electric wire to a terminal at an offset position, wherein the terminal is provided on a base having a flat upper surface. A holding hole for holding the previously mounted electric component is provided, and a guide plate for a sealing material having a notch for inserting an electric wire is provided on a side portion of the holding hole so as to be inclined toward the holding hole side. The core material of the wire terminal is held by the holding hole in a state where the sealing material to be fitted on the wire is brought into contact with the holding hole side end surface of the guide plate, and the wire is inserted and positioned and held in the notch. Wherein the core wire and the terminal are soldered in such a state that the core wire and the terminal are soldered downward. 2. The method according to claim 1, wherein the guide plate is inclined toward the holding hole within a range of 15 ° to 20 ° with respect to a vertical line from an upper surface of the base, and a bottom surface of the notch is formed on the base. The soldering jig according to claim 1, wherein the soldering jig is inclined at an angle of 15 ° to 20 ° with respect to the holding hole. 3. The soldering jig according to claim 1, wherein a means for holding the electric wire from both sides is arranged on a side opposite to the holding hole of the guide plate.