JP2908931B2 - Wire harness inspection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire harness inspection device for inspecting wire harness continuity.

[0002]

2. Description of the Related Art FIGS. 5A and 5B show a wire harness inspection apparatus (hereinafter referred to as "inspection apparatus") 1 of this type. In the figure, an inspection apparatus 1 includes an inspection table 8 on which an inspection plate 7 is fixed on four legs 5 erected on a floor 3.
And a plurality of connector terminal inspection tools 9 fixed on the inspection plate portion 7 of the inspection table 8, and a display device (not shown) connected to the connector terminal inspection tool 9 for displaying the results of the continuity inspection of the wire harness. .

The connector inspection tool 9 is a so-called toggle clamp type inspection tool. As shown in FIG. 5B, the side walls 11, 11 (only one side is shown in FIG. 5B).
A connector receiving portion 15 is formed at one end of a U-shaped base 13 having a lever, and a lever 17 is rotatably supported on both side walls of the other end. In addition, a continuity inspection unit 19 is movably disposed in an intermediate portion of the base plate 13. The continuity inspection unit 19 and the lever 17 are connected by a link 21, and the continuity inspection unit 1 is rotated by the rotation of the lever 17.
9 comes into contact with and separates from the connector receiving portion 15.

[0004] The continuity inspection section 19 includes a connector A to be inspected.
(See FIG. 5 (a).) A recess 23 is formed in which the distal end of the connector (see FIG. 5 (a)) is fitted. ) Protrude by the number of terminal fittings of the connector A. The detector is connected to a control device (not shown).

[0005] The connector receiving section 15 is provided with the inspection section 1.
9, a connector insertion portion 25 in which a fitting concave portion into which the connector A to be inspected is fitted is formed, and a support plate 27 for supporting the connector insertion portion 25
-140160 publication etc.). In order to inspect the continuity between the wire harness W and the connector A by such an inspection apparatus 1, the connector A connected to the distal end of the wire harness W is connected to the connector receiving portion 15 of the connector terminal inspection tool 9.
Insert into each. Next, the lever 17 of the connector terminal inspection tool 9 is rotated to bring the continuity inspection unit 19 close to the connector A, and the continuity is inspected by bringing the detector into contact with the terminal metal of the connector A.

[0006] After the continuity test of the wire harness W and the connector A is completed, the lever 17 is rotated in the opposite direction to separate the continuity test section 19 from the connector A and detected from the terminal fitting of the connector A. Separate pups. Then, the connectors A are taken out one by one from the connector receiving portion 15.

[0007]

However, in the conventional wire harness inspection device 1 described above, when the connector A is mounted on the connector terminal inspection tool 9, the connector A is mounted on the connector receiving portion 15 after the connector A is mounted one by one. When the continuity test section 19 is manually rotated to bring the continuity test section 19 close to the connector A and the connector A is detached from the connector receiving section 15, the lever 17 is also manually rotated to bring the continuity test section 19 into operation. Since the connector A is detached from the connector receiving portion 15 after being separated from the connector A, it takes much time to attach and detach the connector A to and from the connector terminal inspection tool 9.

Further, in the conventional wire harness inspection device, since the entire connector terminal inspection tool 9 is placed on the inspection plate portion 7 of the inspection table 8 and protrudes from the surface of the inspection plate portion 7, the wire harness W There is a possibility that the connector terminal inspection tool 9 may be hooked when removing the connector terminal inspection tool 9. For this reason, it is necessary to carefully place the wire harness on the inspection plate unit 7 so that the wire harness W is not hooked on the connector terminal inspection tool 9, and the inspection work of the wire harness W is very troublesome. Was.

An object of the present invention is to provide a wire harness detecting device that can easily and quickly attach and detach a connector to and from a connector terminal inspection tool in consideration of the above circumstances.

[0010]

In order to achieve the above object, according to the present invention, there is provided a detector main body and a connector provided in the detector main body and having a continuity test to be inserted through an opening. An insertion portion, a support lever provided with an engagement portion rotatably supported by the detector main body and engaged on one side with a back portion of the connector inserted into the connector insertion portion and supported by the connector insertion portion; A spring provided on the other side of the support lever for urging the engagement portion to maintain the engagement state with the back of the connector; and driving the support lever to engage the support lever with the back of the connector. The connector terminal inspecting tool is constituted by a driving means for releasing, and a continuity inspecting portion configured to contact a continuity inspection pin with a connector terminal supported by the connector inserting portion to conduct the circuit, and the connector inserting portion To An urging means for urging the inserted connector outwardly of the connector insertion portion is provided, and a plurality of the connector terminal inspection tools are arranged on the inspection table with the connector insertion portion opened on the inspection table. And a control unit for driving each drive unit of the connector terminal inspection tool based on a continuity test of the wire harness of the continuity test unit.

[0011]

When inspecting the continuity of the wire harness by the wire harness inspection device of the first aspect of the present invention, first, a plurality of connectors connected to the ends of the wire harness are connected.
The connector is inserted into the connector insertion portion from the opening, and the engagement portion of the support lever is engaged with the back of the connector, and the connector is supported by the connector insertion portion. Next, the continuity between the connector terminal housed in the connector and the wire harness is inspected.
Then, after the continuity test is completed, the control means drives the driving means based on the continuity test of the wire harness to release the engagement of the engaging portion of the support lever with the back of the connector. In this case, when the engagement state of the engagement portion with the back portion of the connector is released, the connector is urged outward from the connector insertion portion by the urging force of the urging means. From this state, the continuity test is completed by removing the connector from the connector insertion portion.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a wire harness inspection apparatus according to the present invention will be described below with reference to FIGS. FIG. 1A shows a wire harness inspection device (hereinafter referred to as “inspection device”) 29, and FIG. 1B shows a connector terminal inspection tool 31 used in the inspection device 29. FIG. 2 is a cross-sectional view showing the operation of the connector terminal inspection tool 31. FIG. 3 is a block diagram showing a control device 87 that controls the operation of the inspection device 29 and devices connected to the control device 87.

As shown in FIG. 1A, the inspection device 29
Consists of an inspection table 33 erected on the floor 3 and having the inspection plate 7 fixed to the leg 5, and a connector terminal inspection tool 31 fixed to the lower surface of the inspection plate 7 of the inspection table 33. .

As shown in FIG. 1B, the connector terminal inspection tool 31 is a detector main body 3 for inspecting the continuity of the connector A.
5, a support lever 37 that is engaged at one end with a back part 75 of the connector A inserted into the detector main body 35 to support the connector A to the detector main body 35, and is supported by being connected to the other end of the support lever 37. And a solenoid 39 for driving the lever 37.

The detector main body 35 is supported by a support plate 41 comprising a mounting plate portion 41a for attaching to the inspection table 33 and a support portion 41b for supporting the detector main body 35, and a connector insertion having an opening 44 on the front side. A part 43 is formed. The connector insertion portion 43 is formed to be slightly larger than the outer shape of the connector A to be inspected, the fitting surface (front side) of the connector A is inserted, and the rear end of the connector A is exposed to the outside. ing. A continuity inspection section 45 is formed at the back of the connector insertion section 43.

The continuity inspection section 45 includes through holes 47, 47 formed in the detector main body 35, continuity inspection pins 51, 51 inserted into these through holes 47, and continuity inspection pins 5.
Disc-shaped detection portions 49, 49 formed at the distal end portions of the connector insertion portions 43, 1 and 51, respectively, and continuity check pins 5
1 and 51 are composed of electric wires 57 connected to the rear ends of the devices via terminal fittings 59 and connected to the control device 87.

The continuity inspection pin 51 is shown in FIG.
As shown in (b), after passing through the inside of the compression coil spring 55 arranged in the through hole 47 of the detector main body 35, it protrudes to the back side of the detector main body 35, and the protruding rear end portion is Terminal fitting 59 crimped to the end of electric wire 57
Is fitted. A pin stopper 61 is formed on the continuity inspection pin 51 in the through hole 47 on the connector insertion portion 43 side along the direction perpendicular to the axis, and a spring fixed to the pin stopper 61 and the rear end side of the through hole 47. The compression coil spring 55 is disposed between the compression coil spring 55 and the stopper 65. Thus, the continuity inspection pin 51 is urged toward the connector insertion portion 43 by the compression coil spring 55. A peripheral wall 53 is formed around the continuity inspection pins 51, 51,
The connector A is inserted between a connector housing (not shown) and a cover.

The support lever 37 of the connector is shown in FIG.
As shown in (a) and (b), it is rotatably supported by a rotation shaft 71 on a lever support plate 67 fixed to the support plate portion 41, and one end is formed on the detector main body 35. It penetrates through the recess 68 and protrudes toward the connector insertion portion 43. The other end of the drive shaft 7 of the solenoid 39 passes through a rectangular through hole 69 formed in the support plate 41.
3 is connected rotatably.

One end of the support lever 37 of the connector on the connector insertion portion 43 side is bent at a substantially right angle toward the connector insertion portion 43 and is attached to the back portion 75 of the connector A inserted into the connector insertion portion 43. An engaging portion 77 to be engaged is formed. The end 79 on the solenoid side is retracted into the solenoid main body 81 in the energized state, and is rotatably connected to the drive shaft 73 projecting from the solenoid main body 81 by the urging force of the compression coil spring 83 in the non-energized state by a pin 85. ing.

The solenoid 39 includes a solenoid body 8
1 and a drive shaft 7 inserted into the solenoid body 81.
The solenoid body 81 is fixed to the support plate 41.

When the solenoid 39 is not energized,
By freely moving the support lever 37, as shown in FIG. 2A, the back part 75 of the connector A inserted into the connector insertion part 43 engages with the engagement part 77 of the support lever 37, and the connector insertion part 43 supports the connector A. However, once the connector is engaged, the compression coil spring 83 makes it difficult to release the connector. However, it is preferable to adjust the compression coil spring 83 to a force that can be easily released by a finger. Then, in the energized state, the support lever 37 rotates clockwise (in the direction of arrow a in the drawing) about the rotation shaft 71 against the urging force of the compression coil spring 83.
To the connector insertion portion 4 as shown in FIG.
The engagement state of the engagement portion 77 with the back portion 75 of the connector A inserted into the connector 3 is released.

The inspection device 29 has a control device 87 as shown in FIG. The control device 87 is connected to a solenoid 39 serving as a driving unit for driving the continuity inspection unit 45 and the support lever 37, and a notification unit 91 such as a buzzer or a warning lamp.

Next, the continuity inspection procedure of the control device 87 will be described with reference to the flowchart shown in FIG. First, in step S1, the connector A is inserted into the connector insertion portion 43.
In this case, the engaging portion 77 of the support lever 37 is connected to the connector A
When the connector A is completely inserted into the connector insertion portion 43, the engagement portion 77 of the support lever 37 is engaged with the back portion 75 of the connector A. Thereby, the connector A
Are fixedly supported by the connector insertion portion 43. Further, in this state, the detection portions 49 of the continuity test pins 51 of the continuity test portion 45 contact the terminal fittings housed in the terminal housing chamber of the connector A.

Next, when the switch is turned on in step S2, the continuity of the connector A and the wire harness W is inspected by the continuity inspection unit 45 in step S3. The result of the continuity test is determined in step S4. If the continuity of all the connectors and the wire harness is normal, the notifying means 91 is operated to notify that the continuity is normal, and the solenoid 39 is driven in step S5 to connect the plurality of connectors A to the back portion 75. The engagement of the support levers 37 is simultaneously released. When the engagement of the support lever 37 with the back portion 75 of the connector A is released, the connector A is pushed outward from the connector insertion portion 43 by the urging force of the compression coil spring 83.

Then, it is determined in step S6 whether or not to continue the inspection. If not, the continuity inspection ends. If the continuity test is to be continued, step S1
The following is performed again. In step S4, if there is a conduction failure in the connector, in step S7, the notifying means 9
1 is actuated to notify the operator that there is a connector continuity failure.

Although the solenoid 39 is used as a means for driving the support lever 37 in the above embodiment, the support lever 37 may be driven manually.

Further, in the above embodiment, the example in which the compression coil spring 55 as the urging means is provided on the continuity inspection pin 51 has been described. However, the means for urging the connector A may have another portion or another configuration. .

Further, in the above embodiment, an example is shown in which a solenoid is used as the driving means. However, the present invention is not limited to this, and other means may be used.

Further, in the above embodiment, the support lever 37 is driven via the solenoid 39 which is the driving means. However, the driving means may be directly provided with an engaging portion of the connector.

In the above embodiment, the support lever 37 is engaged with the back portion 75 of the connector A. However, the back portion of the connector A may have other shapes such as a concave portion, a convex portion, and a groove formed in the connector A. .

[0031]

As described above, according to the wire harness inspection apparatus according to the present invention, the connector is inserted into the opening of the connector insertion portion from above and pulled upward to mount the connector on the connector terminal inspection tool. The removal operation can be performed in a short time and easily.

Further, since the support lever of the connector terminal inspection tool is rotatably supported by the detector body, the workability is further improved as compared with a structure using a separate connector support or the like.

Further, there is no connector receiving portion or the like at the rear end of the connector inserted into the connector insertion portion, so that the connector terminal inspection tool can be downsized and the wire harness inspection device can be downsized. Becomes possible.

When the continuity inspection of the wire harness is completed, the control means drives the drive means of the connector terminal inspection tool, whereby each support lever is rotated and the engagement state of the engagement portion with the back of the connector is achieved. Is automatically released, and the connector is pushed outward from the inside of the connector insertion portion by the urging means, so that the connector can be easily removed from the connector insertion portion, and workability is improved.

Further, the control means can simultaneously drive the driving means of the plurality of connector terminal inspection tools, rotate the respective support levers, and simultaneously release the engagement state with the back of the connector. Therefore, the number of man-hours can be reduced and the manufacturing cost can be reduced.

[Brief description of the drawings]

FIG. 1A is a perspective view illustrating a wire harness inspection device according to the present invention, and FIG. 1B is a perspective view illustrating a connector terminal inspection tool.

2A and 2B are cross-sectional views of a connector terminal inspection tool, in which FIG. 2A is a cross-sectional view showing a state where the connector is mounted on a connector insertion section, and FIG. 2B is a cross-sectional view showing a state where the connector is not mounted on the connector insertion section. It is.

FIG. 3 is a block diagram illustrating a relationship between a control device and each unit connected to the control device.

FIG. 4 is a flowchart showing the operation of the control device.

FIG. 5A is a perspective view showing a conventional wire harness inspection device, and FIG. 5B is a perspective view showing a connector terminal inspection tool.

[Explanation of symbols]

 29 wire harness inspection device (inspection device) 31 connector terminal inspection tool 35 detector body 37 support lever 39 solenoid (drive means) 43 connector insertion portion 44 opening 45 continuity inspection portion 75 back portion 77 engagement portion 87 control device 91 notification means A Connector

Claims (1)

(57) [Claims] 1. A wire harness inspection apparatus for inspecting the continuity of a wire harness having a plurality of connector terminal inspection tools and an inspection table on which the connector terminal inspection tools are arranged. A connector provided in the detector main body and having a connector to be subjected to a continuity test inserted through an opening, and a back portion of the connector rotatably supported by the detector main body and inserted into the connector insertion portion on one side. A support lever provided with an engagement portion for supporting the connector insertion portion, and a bias provided on the other side of the support lever so as to maintain the engagement state of the engagement portion with the back of the connector. And a drive means for driving the support lever to release the engagement of the support lever with the back of the connector, and a contact between the connector terminal supported by the connector insertion portion and the continuity test pin to conduct the circuit. The connector terminal inspecting tool is constituted from the continuity inspecting section thus constituted, and urging means for urging the connector inserted into the connector inserting section outwardly of the connector inserting section is provided. The terminal inspection tool is arranged on the inspection table with the connector insertion portion opened on the inspection table, and each drive unit of the connector terminal inspection tool is driven based on the continuity inspection of the wire harness of the continuity inspection section. A wire harness inspection device having control means.