JP2003229225A - Inspection method of electric wire connection to connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable to easily perform an electric wire connection inspection only by appearance. <P>SOLUTION: Markings of colors different from those of electric wires are put so as to gradually deviate step by step on groups of the wires arrayed in parallel from one end side to the other of longer sides of a connector housing, in a state in which a terminal at an end of each electric wire is insertion- coupled at a proper insertion-coupling position in the connector housing, and moreover, the markings are put in a given size on the wires of one end from a position corresponding to an insertion end of the connector housing and at the same time, a front end of a marking position of the adjacent wire is adjusted to the rear end position of the marking, thus positioning of the rear end and the front end of all adjacent wires are made up to the wire at the other end side. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for inspecting an electric wire connection to a connector, and more specifically, inserting terminals connected to a plurality of electric wire terminals into respective cavities (terminal insertion chambers) arranged in parallel to the connector to a regular position. It is intended to allow an operator to easily perform visual inspection as to whether or not they are fitted and whether or not a predetermined electric wire is connected to each cavity without using a conduction device.

[0002]

2. Description of the Related Art A wire harness used for connecting various electric components mounted on an automobile or the like is formed by bundling a large number of electric wires, and a terminal connected to an electric wire terminal is inserted into each cavity of a connector for connection. , Fitted and attached. Usually, after the above terminals are attached to a connector, a wire connection inspection to the connector is performed in order to confirm that each terminal has been inserted and fitted into the cavity at the proper position.

FIG. 6 shows a conventional electric wire connection inspection method. As shown in FIG. 6 (A), a connector 2 having terminals connected thereto and a movable member 3 accommodating a detection probe 5 are respectively placed at predetermined positions of the conduction jig 1, and the movable member 3 is slid to the connector 2 side. Then, as shown in FIG. 6B, the connector 2 is inserted into the fitting recess 3 a of the movable member 3. At this time, the terminal 4 of the electric wire connected to the connector 2 and the movable member 3
The electric wire connection inspection is performed by bringing the probe 5 inside into contact.

[0004]

As shown in FIG. 7A, the probe 5 has a contact portion 5a with a terminal and a base portion 5b.
As shown in FIGS. 7B and 7C, when the female terminal 4A and the male terminal 4B are contacted, the contact portion 5 of the probe 5
It has an elastic structure in which a enters the inside of the base portion 5b.
However, by repeating the electric wire connection inspection, the contact portion 5a of the probe 5 may be deformed and may not expand or contract. When the probe 5 that has stopped expanding and contracting is used for the above-mentioned electric wire connection inspection and inserted into the female terminal 4A, a load is applied to the connecting portion 4A-1 of the female terminal 4A as shown in FIG. May be deformed.

If the connecting portion 4A-1 of the female terminal 4A is deformed in the electric wire connection inspection as described above, for example,
When connecting the female terminal 4A and the male terminal 4B, the respective connecting portions 4A-1 and 4B-1 should be in contact with each other as shown in FIG. 9 (A) to be conductive, as shown in FIG. 9 (B). They will not touch and a conduction failure will occur.

As described above, in the electric wire connection inspection by the above method, the terminal may be deformed and a conduction failure may occur, and it can be inspected whether or not the terminal is inserted to the proper position in the cavity. However, there is a problem that it cannot be inspected that a predetermined electric wire is not inserted into a predetermined cavity and is incorrectly connected.

The present invention has been made in view of the above-mentioned problems, and it is possible to prevent a conduction defect caused by deformation of a terminal by a plug and to visually inspect whether or not the terminal is inserted to a normal position of the cavity. The issue is to make it possible to perform a visual inspection even if there is no misconnection.

[0008]

In order to solve the above-mentioned problems, according to the present invention, a terminal connected to an electric wire terminal is fitted in a regular position in a connector, and fitted into a cavity of the connector in a regular permutation. It is a method of inspecting the electric wire connection to the connector that visually inspects that the end of each long side of the connector housing with the terminal of each wire terminal fitted in the regular fitting position in the connector housing. Side to the other side of the parallel wire group, the color of the wire different from the color of the wire is attached in order to shift in stages, and the wire on the one end side from the position hitting the insertion end of the connector housing Attach the marking with a predetermined size, align the front end of the marking position of the adjacent electric wire with the rear end position of the marking, and set the rear end and front end of the adjacent electric wires up to the electric wire on the other end side. Leave alignment, in a state fitted to the connector terminal of the wire group, the above one end of the electric wire marking are continuous from the leading end of the connector Han Zing,
Also, by aligning the rear and front ends of adjacent wires, it is possible to confirm that the wire group has been fitted to the proper position and that it has been fitted to the cavity of the connector in a prescribed arrangement. We provide a method of inspecting electric wire connection to the connector.

Further, the present invention provides an electric wire to a connector for visually inspecting that a terminal connected to an electric wire end is fitted in a regular position in a connector and fitted in a regular permutation in a cavity of the connector. This is a connection inspection method, in which the terminals of each wire end are fitted in the regular fitting position in the connector housing, and the wire group is arranged in parallel from one end side to the other end side of the long side of the connector housing. , Mark with a color different from the wire color, and mark the wires above from the position where they hit the insertion end of the connector housing, and also mark the wire from one end to the other end on the long side of the connector housing. Attach the wires by extending them to the rear end side so that they will be shifted one step at a time in order, and with the terminals of the above wire group fitted in the connector, the markings of the above wires will be The wire group is fitted to the normal position and is connected to the connector's cavity in a predetermined arrangement by being continuous to the tip of the cable and the rear ends of the adjacent wires being displaced toward the rear end side by a certain dimension in sequence. We provide a method for inspecting electric wire connection to a connector that allows confirmation of mating.

As described above, since the electric wire group to be fitted to the connector is marked in accordance with the above rules,
The operator can easily confirm that the electric wire group is fitted to the normal position and that it is fitted to the cavity of the connector in a predetermined arrangement, simply by visually confirming the positional relationship of the markings by the operator. it can. Therefore, it is not necessary to carry out the electric wire connection inspection using the probe as in the conventional case, so that the work efficiency of the inspection can be improved and the conduction failure caused by the deformation of the electric wire terminal terminal by the probe can be prevented.

The markings attached to the electric wires have the same color if they are connected to the cavities on the same stage of the connector, and have a different color if they are connected to the cavities on different stages. Therefore, even if the connector has multiple cavities, it is possible to easily confirm that the wire group is fitted to the normal position and that it is fitted to the connector cavity in a predetermined arrangement. You can

[0012]

DETAILED DESCRIPTION OF THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show an electric wire 10 according to a first embodiment of the present invention, in which a terminal 12 attached to the tip of the electric wire 10 is connected to a connector 13.

Each electric wire 10 is provided with a marking 11 in a color different from the color of the electric wire. This marking 1
The color of 1 is the same color. The position of the marking 11 attached to each electric wire 10 is as shown in FIG.
As shown in (A), they are attached so that they are regularly stepped up. Specifically, the electric wires 10A, 10B, and 10C have markings 11A, 11B, and 11C of the same size, respectively.
Is attached to the electric wire 10A on one end side at a position corresponding to the insertion end 13a of the connector housing and the tip 1 of the marking 11A.
1A-1 is aligned and attached with a predetermined size, and the rear end 11A-2 of the marking 11A is aligned with the front end 11B-1 of the marking 11B of the adjacent electric wire 10B, and similarly, the rear end 11B-2 of the marking 11B. And the adjacent wire 1
The front end 11C-1 of the marking 11C of 0C is aligned.

Also, as shown in FIG. 3, the markings 11-1 attached to the electric wires 10-1 connected to the upper cavities 14a of the connector 13 have the same color, and the electric wires 10 connected to the lower cavities 14b are similarly formed. The marking 11-2 attached to -2 has the same color, and the marking 11-1 and the marking 11-2 have different colors.

With the above structure, the wire group fitted into the connector 13 is provided with the marking 11 in accordance with the above rules. Therefore, the wire group can be attached to the inside of the connector 13 only by visually checking the positional relationship of the marking 11. It is possible to easily confirm that they have been fitted to the regular position and that they have been fitted to the cavities 14 of the connectors 13 in a predetermined arrangement.

For example, if the electric wire 10A is not fitted to the normal position of the cavity 14, as shown in FIG. 2 (B), between the insertion end 13a of the connector housing and the tip 11A-1 of the marking 11A. , Wire color part 10A-
Since 1 can be seen, it can be easily confirmed that it is not fitted to the regular position. If the other electric wire is not fitted to the normal position, the positions of the leading and rear ends of the marking of the electric wire will be displaced from the positions of the rear and front ends of the markings of the adjacent electric wires. It can be easily confirmed that they have not been fitted.

Further, if the arrangement is erroneously made different from the predetermined arrangement, the markings 11 of the electric wire 10 are not arranged in a regular stepwise manner as expected, as shown in FIG. 2C. It is easy to confirm that the sequence is incorrect. In addition, since the arrangement order of the electric wires 10 can be easily determined by the position of the marking 11 during the electric wire connecting operation to the connector, and the erroneous insertion into the cavity 14 can be prevented, the electric wire connecting operation can be made efficient. You can

FIGS. 4 and 5 show an electric wire 10 'according to a second embodiment of the present invention. The electric wire 10' is provided with a marking 11 'of a color different from the electric wire color. The markings 11 ′ are attached so that when the electric wires 10 ′ are fitted in the cavities 14 of the connector 13 in a predetermined arrangement to the regular position, they are regularly arranged as shown in FIG. 5. Specifically, the electric wires 10'A, 10'B, 10'C are provided with markings 11'A, 11'B, 11'C, respectively, and the respective markings are provided at positions corresponding to the insertion end 13a of the connector housing. Tip 11'A-1, 11'B
-1, 11'C-1 are aligned, and the rear ends 11'A-2, 11'B-2, 11'C-2 of the marking are moved to the rear end side so that they are sequentially shifted in steps by a certain size. It is extended and attached.

With the above structure, the wire group fitted into the connector 13 is provided with the marking 11 'in accordance with the above rules. It is possible to easily confirm that they have been fitted to the regular position and that they have been fitted to the cavities 14 of the connectors 13 in a predetermined arrangement. The rest of the configuration is the same as that of the first embodiment and will not be described.

[0020]

As is apparent from the above description, according to the method of inspecting the electric wire connection to the connector of the present invention, since the electric wire group fitted into the connector is marked according to the above rule, the marking is performed. It is possible to easily confirm that the electric wire group is fitted to the normal position and that the electric wire group is fitted to the cavity of the connector in a predetermined arrangement only by confirming the positional relationship by the appearance. Therefore, it is not necessary to perform the wire connection inspection using the probe as in the conventional case, and thus the work efficiency of the wire connection inspection can be improved, and the deformation of the wire terminal terminal by the probe can be prevented, which may be caused by the deformation of the terminal. There is no risk of a conduction failure.

In addition, at the time of wire connection work, the arrangement order of the wires can be easily determined by the position of the markings attached to the wires, and erroneous insertion into the cavity can be prevented, so that the wire connection work can be made more efficient. Can be achieved.

[Brief description of drawings]

FIG. 1 is a perspective view of an electric wire according to a first embodiment of the present invention.

FIGS. 2A, 2B, and 2C are plan views showing a state in which electric wires are fitted in a connector.

FIG. 3 is a perspective view showing a state in which electric wires are fitted in a plurality of cavities.

FIG. 4 is a perspective view of an electric wire according to a second embodiment of the present invention.

FIG. 5 is a plan view showing a state in which an electric wire is fitted in a connector to a regular position.

FIG. 6A is a front view showing a conventional electric wire connection inspection method, and FIG. 6B is an enlarged view of a main part during the inspection.

7A is a front view of a probe, FIG. 7B is a front view showing an electric wire connection inspection method of a female terminal, and FIG. 7C is a front view showing an electric wire connection inspection method of a male terminal.

FIG. 8 is a front view showing an electric wire connection inspection method using a probe having a stretchable function.

9A is a front view showing a state where a female terminal and a male terminal are in conduction, and FIG. 9B is a front view showing a conduction defect with a male terminal due to deformation of the female terminal.

[Explanation of symbols]

10 electric wires 11 marking 12 terminals 13 connectors 14 Cavity

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H02G 3/38 H02G 15/02 B 15/02 H01B 13/00 513A // H01B 13/00 513 H02G 3 / 28 F

Claims (3)

[Claims] 1. An electric wire connection inspection method for a connector, which visually inspects that a terminal connected to an electric wire end is fitted in a regular position in a connector and is fitted in a regular permutation in a cavity of the connector. With the terminal of each wire end fitted in the regular fitting position in the connector housing, the wire group is extended in parallel from one end side to the other end side of the long side of the connector housing. Mark with a color different from the color of the wire so that it shifts to, and attach the above-mentioned marking with a predetermined size to the wire on the one end side from the position hitting the insertion end of the connector housing,
The front end of the marking position of the adjacent electric wire is aligned with the rear end position of the marking, and the rear end and the front end of the marking of the adjacent electric wire are aligned up to the electric wire on the other end side. With the wire fitted to the connector, the marking of the wire on the one end side is continuous to the tip of the connector housing, and the rear and front ends of the adjacent wires are aligned. A method for inspecting electric wire connection to a connector that allows confirmation that the connector is fitted to the normal position and also fitted to the cavity of the connector in a predetermined arrangement. 2. An electric wire connection inspection method for a connector, which visually inspects that a terminal connected to an electric wire end is fitted in a regular position in a connector and fitted in a regular permutation in the cavity of the connector. Then, with the terminal of each wire end fitted in the normal fitting position in the connector housing, the wire color and the wire color are added to the wire group that runs in parallel from one end side to the other end of the long side of the connector housing. Are marked in different colors, and the markings for each wire above are applied from the position where it hits the insertion end of the connector housing, and the wire markings on the long side of the connector housing from the one end side to the other end side are sequentially arranged by a certain size. Attach it by extending it to the rear end side so that it shifts up in steps, and with the terminals of the above wire group fitted in the connector, the markings of the above wires are connected to the tip of the connector housing. Continuing, and the rear ends of adjacent wires are sequentially displaced toward the rear end by a fixed dimension, so that the wire group is fitted to the normal position and fitted to the cavity of the connector in a predetermined arrangement. The method of inspecting the electric wire connection to the connector so that it can be confirmed. 3. The marking according to claim 1 or 2, wherein the markings attached to the electric wires have the same color if they are connected to the cavities on the same stage of the connector and have a different color if they are connected to the cavities on another stage. Inspection method of electric wire connection to connector.