JPH0982444A - Connector inspecting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector inspecting device which can find misfitting of a retainer certainly without damaging the inspecting device and the retainer. SOLUTION: A contacting piece 431 is furnished which will be in contact with the levitated part 122 of a retainer 12 if the retainer 12 is levitated from a housing 11 (poor condition of fitting). A plate 32 for locating a connector 10 is fastened to the body 31 of accommodation part with a rubber bushing 35 interposed. The connector 10 is pressed when the contacting piece 431 contacts with the retainer 12. Thereby the bushing 35 is deformed elastically, and the locating plate 32 will be displaced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector inspection device used at the time of inspecting a connector provided at an end of a wire harness and having a terminal fitting crimped to the end of an electric wire and a housing into which the terminal fitting is inserted. is there. More specifically, the present invention relates to a connector inspector applied to a so-called double locking type connector having a retainer that prevents the terminal fitting from coming off by being attached to a housing.

[0002]

2. Description of the Related Art For example, in a wire harness used for wiring an electric component in an automobile or the like, a connector is provided for connecting the wire harnesses to each other and for connecting the wire harness and the electric component. This connector has a terminal fitting that is crimped to an end of an electric wire as a component of a wire harness, and a housing into which the terminal fitting is inserted. Since the connector is for connecting an electric circuit, it must have a structure in which the terminal fitting does not come out of the housing. For this reason, locking claws called lances are provided so as to project in the housing. The lance is adapted to engage with the terminal fitting inserted into the housing, so that the terminal fitting cannot be easily removed from the housing.

In a connector used for connecting a particularly important circuit, it is necessary to have a structure that pays close attention to prevent the terminal fitting from coming off from the housing. Therefore, conventionally, a connector 5 called a double locking type connector as shown in FIG. 4 has been adopted. As shown in the figure, usually, the housing 5a of the connector 5 has a terminal insertion hole 5b.
Is formed so as to penetrate from the rear end surface 5c side to the front end surface side, and the terminal fitting is inserted into the terminal insertion hole 5b from the rear end surface 5c side of the housing. Note that reference numeral 7 indicates an electric wire, and a terminal metal fitting (not shown) is crimped to an end portion (a portion inserted into the terminal insertion hole 5b) of the electric wire 7.

A component called a retainer 6 is used for this connector 5. The retainer 6 is the housing 5
It is attached to a, and when attached, it engages with the terminal fitting in the housing 5a to prevent the terminal fitting from coming off. Therefore, in the connector 5 as described above, the lance and the retainer 6 prevent the double disconnection.

Generally, at the final stage of manufacturing a wire harness, the connector 5 is inspected. The connector inspection is to check whether or not the connector 5 is correctly assembled by checking whether or not there is electrical continuity in the entire wire harness, that is, a predetermined terminal fitting is accurately and predetermined in a predetermined terminal insertion hole 5b. It is a test to check whether or not it has been securely inserted, and it is a very important test for quality control of the wire harness. Particularly, in the double locking type connector 5, it is also inspected whether the retainer 6 is correctly and surely mounted.

The connector inspection is performed by using a so-called connector inspection device. An outline of the connector inspection device will be described with reference to FIG. 5. In the connector inspection device A, an inspection drawing board 1 on which a wire harness WH to be inspected is placed and which serves as a work table at the time of connector inspection, and the inspection drawing board 1 It has a plurality of connector inspection devices 3 arranged above and a continuity determination unit 4 capable of displaying the presence or absence of electrical continuity for each electric wire between the predetermined connectors 2. The connector inspector 3 holds each connector 2 provided at the end of the wire harness WH, and electrically connects the terminal fitting of the held connector 2 and the continuity determination unit 4.

Specifically, the connector inspecting device 3 comprises a connector holding part 2a for holding the connector 2 and an inspecting part 3a capable of being fitted to the connector 2 held by the connector holding part 2a.
The inspection unit 3a is provided with contacts that come into contact with the respective terminal fittings of the held connector 2 independently of each other, and these contacts are connected to the continuity determination unit 4 via the lead wires 3b. . In order to perform the connector inspection, as shown in the figure, the wire harness WH is placed on the inspection drawing board 1 and each connector 2 is held by the connector inspection device 3 corresponding thereto. Then, by raising the lever 3c (state shown in the figure), the inspection unit 3a is fitted with the connector holding unit 2a.

At this time, if the connector 2 is correctly assembled, as shown in FIG. 6, the terminal fitting 2b of the connector 2 and the contactor 3d of the inspection section 3a come into contact with each other, so that conduction can be obtained between them. . Similarly, in the other connector inspecting device 3, if the held connector 2 is assembled correctly, the terminal fitting and the contactor come into contact with each other so that conduction can be obtained between them. Since each detector 3d is connected to the continuity determination unit 4 that functions as a so-called tester, it is possible to confirm the presence or absence of continuity between both ends of the electric wire for each electric wire that constitutes the wire harness. That is, if the continuity determination unit 4 can confirm the continuity, the connector 2 is correctly assembled. If the electrical continuity cannot be obtained, it means that the terminal fitting 2b and the contact 3d are not in contact with each other, and the connector 2 is assembled correctly, for example, the terminal fitting 2b is not completely inserted into the housing. I know there isn't. Since the portion where the continuity is not obtained is displayed on the screen 4a (see FIG. 5) of the continuity determination unit 4, the assembly correction work of the connector 2 can be performed based on this display.

[0009]

By the way, the connector holding portion 2a is formed in the inner peripheral surface shape corresponding to the outer shape of the housing of the connector 2 to be held, and the specific connector holding portion 2a corresponds to this. Only the specific connector 2 to be held can be held. Therefore, when trying to hold the double locking type connector 5 shown in FIG. 4, the connector holding portion 2a cannot accommodate and hold the connector 5 unless the retainer 6 is completely attached to the connector 5. . This is because, as shown in FIG. 4, when the retainer 6 is not completely attached to the connector 5, part or all of the retainer 6 is lifted from the housing 5b. Therefore, even if the connector holding portion 2a holds the connector 5 in this state, the raised portion 6a of the retainer 6 interferes with the connector holding portion 2a. As a result, it is possible to detect the incomplete mounting of the retainer 6.

However, since the retainer 6 is usually made of synthetic resin, even if the retainer 6 is lifted up, the connector 5 is strongly pressed against the connector holding portion 2a. May be housed in. In this case, lever 3c
(See FIG. 5), the connector 5 and the inspection unit 3a are fitted together, and the terminal fitting and the contact 3d come into contact with each other. As a result, there is an inconvenience that the connector 5 passes the connector inspection even though the retainer 6 is incompletely attached.

In order to avoid such an inconvenience, conventionally, a connector inspection device disclosed in Japanese Patent Publication No. 2-56786 has been proposed. When the retainer is incompletely installed, that is, when the retainer is in a state of being lifted from the housing, this connector inspection device allows the raised portion of the retainer to hold the connector when the connector is stored in the connector holding part. The detection pin provided on the part is pushed. The pushed detection pin actuates the lock bar via the link mechanism. This rock bar is
When actuated, it engages with a lever for moving the inspection part. When the lock bar engages with the lever, the lever is locked and the inspection unit cannot be moved. In other words, with this connector inspector, when the retainer is incompletely attached, the lever for moving the inspection part is locked and cannot be moved, so the operator recognizes that the retainer is incompletely attached. can do.

However, since the lever for moving the inspection unit is mechanically locked via the link mechanism, if the operator moves the lever vigorously to fit the inspection unit into the connector holding unit. May damage the connector inspector itself. However, it suffices to design the connector inspector with sufficient strength so that it will not be damaged by the force of the operator, but in the connector inspector only for holding the connector and taking electrical connection, It is unreasonable and unfavorable to have such strength.

On the other hand, if the operator is careful to always operate the lever gently, it is possible to prevent damage to the connector inspection device, but in continuous work, the operator is always required to have such concentration. Doing so is harsh to the operator, and it becomes impossible to smoothly proceed with the connector inspection.
Further, when the retainer is in a state of being lifted from the housing, instead of mechanically locking the lever through the link mechanism, the lift of the retainer is electrically detected using, for example, a limit switch, A mechanism for notifying the operator of this can also be used. However, if such a mechanism is adopted, a device for detecting lift of the retainer (such as the above limit switch)
In addition, a device for notifying the worker is additionally required, which makes the entire device complicated and costly.

SUMMARY OF THE INVENTION An object of the present invention is to provide a rational connector inspector capable of performing smooth work without damaging the connector inspector and reliably detecting incomplete mounting of a retainer. .

[0015]

In order to achieve the object of the present invention, a connector inspecting device according to a first aspect of the present invention is provided with a plurality of terminal fittings which are pre-crimped to respective ends of a plurality of electric wires, and a rear end face. A housing that has terminal insertion holes formed through the front end surface, in which each terminal fitting is inserted into the corresponding terminal insertion hole, and a terminal fitting that engages with the terminal fitting to prevent the terminal fitting from coming off. A positioning plate part for contacting the rear end surface of the connector to be inspected is used when performing a connector inspection of a wire harness including a connector having a retainer for performing the contacting with the positioning plate part. The connector holding portion for accommodating and holding the connector in the positioned state and the connector holding portion are arranged so as to be relatively contactable with and separable from the connector holding portion. Detector that fits with the front end face side of the connector and comes into contact with the terminal fittings in a state in which they are close to each other, and an inspection section that is provided at a position corresponding to each terminal fitting, and a connector holding section or an inspection section. In a connector inspector having a slide operation part that slides at least one of the two to bring the opposing distance between them closer to or away from each other, when the retainer is incompletely attached, the contact between the terminal fitting and the detector is made. The contact avoiding means for avoiding the contact avoiding means is provided in the inspecting unit, and abutting means for abutting against the retainer protruding from the housing of the connector when the inspecting unit and the connector holding unit approach each other, And a slide permitting means for permitting the connector to slide in the pushing direction when the abutting means abuts and the retainer is pushed. It is an.

According to this structure, the following operation is achieved. First, the connector to be inspected is set in the connector holding portion. In the set state, the rear end surface of the connector contacts the positioning plate portion and is positioned. Next, the slide operation part is operated to bring the inspection part close to the connector holding part. At this time, if the retainer is correctly attached to the connector, that is, if the retainer is flush with the housing, the inspection unit and the connector are fitted to each other, and the detector and the terminal fitting come into contact with each other.

On the other hand, if the retainer is not properly mounted, the contact avoiding means prevents contact between the detector and the terminal fitting. More specifically, in the case where the retainer is incompletely mounted, that is, when the retainer is in a state of protruding from the housing, when the inspection section approaches the connector holding section, the contact means provided in the inspection section is Contact the raised part of the retainer. If the inspection unit is slid and moved to the connector holding unit side as it is, the connector and the inspection unit do not come relatively close to each other, and the retainer further presses the retainer while contacting the retainer. That is, the connector together with the retainer is pressed toward the rear end surface side of the connector. By the way, since the contact avoiding means includes the slide permitting means, when the connector is pressed toward the rear end face side, the connector moves in the pressing direction. As a result, contact between the detector and the terminal fitting can be avoided.

In order to achieve the object of the present invention, a connector inspection device according to a second aspect is the connector inspection device according to the first aspect, wherein the abutting means is on the connector holding part side along the sliding direction of the inspection part. It is characterized in that it includes an abutting piece that protrudes to the outside. According to this configuration, the same operation as the first aspect of the invention is achieved. In addition, since the contact means can be configured by the contact piece protruding toward the connector holding portion side along the sliding direction of the inspection portion, the structure of the contact means is simple and inexpensive.

In order to achieve the object of the present invention, the connector inspection device according to a third aspect is the connector inspection device according to the first or second aspect, wherein the slide permitting means fastens the positioning plate portion to the connector holding portion. It includes a fastening shaft member and a bush having elasticity, and the bush is formed of the fastening shaft member and the positioning plate portion so that the elastic deformation of the bush allows the displacement of the positioning plate portion in the opposite fastening direction. It is characterized by being interposed between them.

According to this structure, the same operation as that of the first or second aspect of the invention is achieved. Particularly in the invention according to the present claim, the retainer pressed by the contact means moves together with the connector. In this case, the connector presses the positioning plate portion. As a result, the bushes elastically deform and the positioning plate portion moves in the pressing direction. As a result, the connector moves together with the positioning plate portion, and the contact between the detector and the terminal fitting can be avoided.

[0021]

DETAILED DESCRIPTION OF THE INVENTION An embodiment of the present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is a perspective view of a connector inspection device A according to an embodiment of the present invention.
Referring to FIG. 1, the connector inspecting apparatus A is incorporated in a connector inspecting apparatus (not shown), and inspects the connector of a wire harness, that is, the presence or absence of electrical continuity in the connector 10 portion, and thus the connector 10 Is used for inspecting whether the retainer 12 is correctly assembled, whether the retainer 12 is securely attached, and whether the wiring condition of the entire wire harness is good.

In this embodiment, the connector 10 to be inspected
Is a so-called double locking type. More specifically, the connector 10 includes a housing 11, a plurality of terminal fittings 14 inserted into the housing 11, and a retainer 12. The housing 11 is formed of, for example, synthetic resin or the like, and has a terminal insertion hole 112 penetratingly formed from the rear end surface 111 side to the front end surface side. Each terminal fitting 14
Is a plurality of electric wires 13 that are components of the wire harness.
Pre-crimped to the end of. And each terminal fitting 14
The rear end face 111 in the corresponding terminal insertion hole 112.
It is inserted and stored from the side.

Further, the housing 11 is formed with a locking claw called a lance. Lance has terminal insertion hole 1
It is provided so as to project into the inside 12, and this lance is elastically deformable. That is, the terminal fitting 1
When 4 is inserted into the terminal insertion hole 112, the lance is elastically deformed so as to be pressed by the terminal fitting 14 and temporarily retract from the terminal insertion hole 112. Then, when the terminal fitting 14 is inserted to a predetermined position, the elastic deformation is elastically restored and engages with a predetermined portion of the terminal fitting 14. This prevents the terminal fitting 14 from coming off from the terminal insertion hole 112.

Further, both side surface portions 113 of the housing 11
Is provided with a retainer mounting opening. The retainer mounting opening communicates with the terminal insertion hole 112. Retainer 12
Is fitted into the retainer mounting opening. The retainer 12 is formed of, for example, a synthetic resin, and has a base 121 and an engaging claw 122 extending therefrom. By fitting the retainer 12 into the retainer mounting opening, the engagement claw 122 enters the terminal insertion hole 112 and engages with a predetermined portion of the terminal fitting 14. This prevents the terminal fitting 14 from coming off from the terminal insertion hole 112.

As described above, in the connector 10, the lance and the retainer 12 double prevent the terminal fitting 14 from coming off. The double locking type connector 10 is adopted for a wire harness for an automobile and is used for connection of a particularly important electric circuit, and is subjected to vibration and tensile force to the electric wire 14. Even in such a case, it is possible to reliably prevent the terminal fitting from coming off.

Next, the connector inspector A comprises a base 20 on which a rail 21 is formed, a connector holding portion 30 for accommodating and holding the connector 10 to be inspected, an inspecting portion 40 arranged opposite thereto, and an inspecting portion. The lever 50 is provided so as to move toward and away from the connector holding portion 30 by sliding 40. Then, when the inspection unit 40 and the connector 10 are mated and connected, a predetermined inspection circuit is configured for each electric wire 13 via the inspection unit 40, and the electrical connection in the connector 10 portion is made by the inspection circuit unit (not shown). The presence / absence of each electric wire 13 can be checked.

The base 20 serves as a substrate for mounting the connector holding portion 30 and the inspection portion 40, and can be fixed on the inspection drawing board using, for example, screws. It should be noted that this inspection board is included in the above-mentioned connector inspection device, and when a connector inspection is performed, a wire harness as an object to be inspected is placed and the above-mentioned connector inspection device A, inspection circuit portion, etc. are installed. It is intended for use as a workbench during connector inspection.

The connector holding portion 30 has a housing main body 31 capable of housing the connector 10 from above and a positioning plate 32 attached to the rear surface of the housing main body 31, as indicated by the dotted arrow. are doing. Positioning plate 3
2 is fastened to the accommodating portion main body 31 using screws 321. A rubber bush 35 is interposed between the screw 321 and the positioning plate 32. Thus, the positioning plate 32 is fastened to the accommodating portion main body 31, but can be displaced to the rear surface side (front side in the figure) of the accommodating portion main body 31 due to elastic deformation of the rubber bush 35.

The rear end surface 111 of the housing 11 is brought into contact with the positioning plate 32 when the connector 10 is housed,
The connector 10 is positioned. Further, a notch groove portion 322 that is cut downward from the upper edge is formed in a substantially central portion of the positioning plate 32. This notch groove portion 322
When the connector 10 is housed in the connector holding portion 30, each electric wire 13 is passed through.

The accommodating portion main body 31 is formed in a block shape having a substantially U-shaped cross section. The shape of the inner peripheral surface of the accommodating portion main body 31 is formed so as to match the shape of the side peripheral surface of the housing 11. The connector housing chamber 33 is formed by the inner peripheral surface of the housing body 31 and the positioning plate 32.
Is partitioned. The connector accommodating chamber 33 can hold the connector 10 in a predetermined posture, that is, a posture in which the connector 10 is accommodated in the connector accommodating chamber 33.

The inspection unit 40 includes the connector 1 housed and held.
This is for forming an electric circuit (inspection circuit) including the above-mentioned inspection circuit portion by contacting the terminal fitting 14 of No. 0. The inspection unit 40 includes a main body 41, a contact probe 42 and a contact member 43 provided on the main body 41. The main body 41 is formed in a block shape, and a concave portion 411 opened on the front surface is formed on the front surface side thereof.
The inner surface shape of the recessed portion 411 is formed so that the tip portion of the housing 11 of the connector 10 can be inserted exactly.

The contact probe 42 has a concave portion 411.
It is provided inside, and the tip thereof is projected toward the connector holding portion 30 while being elastically biased. Each contact probe 42 is arranged at a position corresponding to each terminal fitting 14 aligned in the housing 11, and a lead wire 421 is connected to each of them (in FIG. 1, the lead wire 421 is shown for simplification). Shows only two.). Each lead wire 421 is connected to the inspection circuit section. If there is continuity between the terminal fittings 14 and the contact probe 42 when they come into contact with each other, this signal is sent to the inspection circuit section as a signal.

The contact member 43 is made of, for example, a metal plate material that is bent, and is fastened to the main body 41 with a screw 431. At the end of the contact member 43,
A contact piece 431 is formed. The contact piece 431 projects toward the connector holding unit 30 side along the sliding direction of the inspection unit 40. The contact piece 431 is provided in the housing 11 while the connector 10 is held by the connector holding portion 30.
It can be inserted into the gap between the inner peripheral surface of the housing portion main body 31 and. Therefore, the retainer 12 is in the incompletely mounted state (as shown in the figure, the side surface portion 1 of the housing 11 is
When the connector 10 is accommodated as it is (in a state where it is raised from 13), the contact piece 431 comes into contact with the raised portion of the retainer 12 when the inspection unit 40 approaches the connector holding unit 30.

The lever 50 has a pin 2 at the end of the base 20.
It is rotatably provided via 2. A cam 51 is formed at one end of the lever 50, and a handle 52 is provided at the other end. When the handle 52 is held by hand and the lever is raised in the direction of the white arrow, the cam 51 presses the inspection unit 40. As a result, the inspection unit 40 slides along the rail 21 and comes close to the connector holding unit 30. Reference numeral 46 is a coil spring, which is interposed between the main body 41 and the accommodating section main body 31 of the connector holding section 30. When the lever 50 is raised, the inspection unit 40 pushes and contracts the coil spring 46 and slides. When the lever 50 is tilted, the inspection unit 40 is separated from the connector holding unit 30 by the elastic force of the coil spring 46. ing.

Next, how to use the connector inspector A in the connector inspection will be described together with its function and effect. The connector 10 to be inspected is set in the connector holding portion 30. In the set state, the rear end surface 111 of the connector 10 contacts the positioning plate 32 and is positioned.
Next, the lever 50 is operated to bring the inspection unit 40 close to the connector holding unit 30.

With reference to FIG. 2, at this time, if the retainer 12 is correctly attached to the connector 10, that is, if the retainer 12 is attached flush with the side surface 113 of the housing 11, the contact piece 43. Is inserted into the gap between the side surface 113 of the housing 11 and the inner peripheral surface of the housing body 31. On the other hand, the inspection unit 40 and the connector 10 are fitted to each other, and the contact probe 42 and the terminal fitting 14 are in contact with each other.

When the contact probe 42 and the terminal fitting 14 come into contact with each other, an electric circuit (the above inspection circuit) including the wire harness, the connector inspection device A, and the inspection circuit portion is constructed. In this state, the presence or absence of electrical conduction in the connector 10 portion can be checked. A monitor is provided in the inspection circuit unit so that the presence or absence of continuity can be displayed for each electric wire 13 unit. Therefore, for example, when the specific terminal fitting 14 is not correctly inserted in the terminal insertion hole 112, the connector 1
When 0 is not assembled correctly, a defect in the assembly can be grasped for each electric wire 13 and a correction work can be quickly performed. Further, if the electrical connection is obtained for each electric wire 13 (that is, each terminal fitting 14), the connector 10 is correctly assembled, and the wire harness as the inspection object can pass the connector inspection.

On the other hand, if the retainer 12 is not mounted correctly, the contact probe 4 is
The contact between 2 and the terminal fitting 14 is avoided. That is, FIG.
As shown in FIG. 4, when the retainer 12 is incompletely mounted, that is, when the retainer 12 is in a state of protruding from the housing, the retainer 12 is provided in the inspection unit 40 when the inspection unit 40 approaches the connector holding unit 30. The abutting piece 431 of the abutting member 43 abutted against the raised portion 122 of the retainer 12.

Referring to FIG. 3, when the inspection unit 40 is slid and moved toward the connector holding unit 30 as it is, the contact piece 431 is retained by the contact piece 431 without the connector 10 and the inspection unit 40 being relatively close to each other. While still in contact with 12, the retainer 12 is further pressed. That is, the connector 10 together with the retainer 12 is pressed toward the rear end surface 111 side of the connector (in the direction of the white arrow in the figure).

Since the positioning plate 32 is fastened by the screw 321 via the rubber bush 35,
When the connector 10 is pressed in the above direction, the rubber bush 35 is elastically deformed as shown in the figure, and the positioning plate 32 is
It is moved together with the connector 10 in the direction of the white arrow. As a result, the contact probe 42 and the terminal fitting 14
Contact with is avoided.

Therefore, the electrical connection between the terminal fitting 14 and the contact probe 42 cannot be obtained, and the wire harness cannot pass the connector inspection. When the connector 10 has some trouble in assembling, it is normal that one or several electric wires 13 cannot be electrically connected. However, if the retainer 12 is not properly attached, the connector 12
Since it is not possible to obtain continuity for all the terminal fittings 14 included in, the operator can recognize that the retainer 12 is not properly attached.

By the way, in order to avoid contact between the contact probe 42 and the terminal fitting 14, in this embodiment, the contact piece 431 is brought into contact with the raised portion 122 of the retainer 12 so that the contact portion 431 is relatively moved to the inspection section 40. The connector 10 is moved while maintaining the distance, and the movement of the connector 10 is allowed by the elastic deformation of the rubber bush 35. Therefore, even if the contact piece 431 is brought into contact with the retainer 12, the retainer 12 will not be damaged or the connector holding portion 20 or the inspection portion 40 will not be broken by applying an excessive force. As a result, it is not necessary to perform strength design on the assumption that a large force is applied to the connector inspection device A, and it is possible to provide a rational connector inspection device A with a simple structure.

In particular, in this embodiment, the contact piece 431 is
Since the contact member 43 made of a plate material is formed by bending, there is an advantage that the structure is simple, the cost is low, and a more rational connector inspection device A can be provided. Further, when the retainer 12 is in the incompletely mounted state, the positioning plate 32 moves together with the connector 10, so that as shown in FIG.
A gap 17 is formed between the two. Therefore, the worker
The formed gap can be visually confirmed,
It is possible to surely recognize that the retainer 12 is not properly mounted.

The present invention is not limited to the above embodiment, and a torsion coil spring may be used instead of the rubber bush 35. Further, the positioning plate 32 may be biased to the connector holding portion 30 by using a small damper. In short, the positioning plate 32 is attached to the connector holder 30.
Even if the connector 10 is attached to the connector, the connector 10 may have a structure that allows the movement when the connector 10 moves to the positioning plate 32 side.

Further, the contact piece 43 formed on the contact member 43
The position of 1 can be changed according to the position of the engaging claw 122 of the retainer 12. That is, when the retainer 12 is in the incompletely mounted state, the contact piece 431 can be provided at a position where the engagement claw 122 will be protruded from the housing 11. However, instead of the contact member 43,
You may provide the pin member which protrudes from the main body 41 of the inspection part 40 to the connector holding part 30 side. Alternatively, a push rod protruding from the main body 41 may be provided using a small cylinder or the like. In short, when the retainer 12 is in the incompletely mounted state, the structure may be such that the part protruding from the housing 11 is pushed and the connector 10 is moved away from the inspection part 40.

Besides, in this embodiment, the structure in which the connector holding portion 30 is fixed and the inspection portion 40 is slid is adopted, but the inspection portion 40 may be fixed and the connector holding portion 30 may be slid. Also, various design changes can be made within the scope of the present invention, such as sliding both at the same time.

[0047]

According to the first aspect of the invention, when the retainer is not properly mounted and is protruding from the housing of the connector, the contact avoiding means prevents contact between the detector and the terminal fitting. Therefore, electrical continuity between the terminal fitting and the detector cannot be obtained. Therefore, the wire harness cannot pass the connector inspection. Moreover, if the retainer is not properly attached, it is not possible to obtain electrical continuity for all the terminal fittings included in the connector, so that the operator can recognize that the retainer is not properly attached.

By the way, in order to avoid the contact between the detector and the terminal fitting, in the invention according to the present invention, the abutting means is brought into contact with the raised portion of the retainer to keep the relative distance from the inspection portion. However, the means for moving the connector and permitting the movement of the connector by the slide permitting means is adopted. Therefore, even if the contact means is brought into contact with the retainer, the retainer will not be damaged or the connector holder will not be unduly applied with an unreasonable force. As a result, it is not necessary to perform strength design on the assumption that an unreasonable force is applied to the connector inspector, and it is possible to provide a rational connector inspector with a simple structure.

According to the invention of claim 2, the same effect as that of the invention of claim 1 can be obtained. In addition, the contact means is
Since it can be configured by the contact piece having an extremely simple structure, it is possible to provide a more rational connector inspection device with reduced cost. According to the invention according to claim 3,
The same effect as the invention according to claim 1 or 2 is achieved. In addition, when the connector is moved in the pressing direction, the bushing elastically deforms to move the positioning plate portion, thereby avoiding contact between the detector and the terminal fitting, which is an extremely simple structure. Since it is adopted, further cost reduction can be achieved. Moreover, since the positioning plate portion moves, the operator can visually confirm that the retainer is not properly attached.

[Brief description of drawings]

FIG. 1 is a perspective view of a connector inspection device according to an embodiment of the present invention.

FIG. 2 is a partial cross-sectional side view in a state where the retainer and the inspection unit are close to each other when the retainer is properly attached.

FIG. 3 is a partial cross-sectional side view in which the retainer and the inspection unit are close to each other when the retainer is incompletely attached.

FIG. 4 is a perspective view of a double locking type connector.

FIG. 5 is a perspective view showing a schematic configuration of a conventional connector inspection device.

FIG. 6 is a partial cross-sectional side view of the conventional connector inspecting device in a state where the connector holding portion and the inspecting portion are close to each other.

[Explanation of symbols]

 A Connector inspector 10 Connector 11 Housing 111 Rear end surface 112 Terminal insertion hole 12 Retainer 13 Electric wire 14 Terminal fitting 30 Connector holding part 32 Positioning plate 321 Screw 35 Rubber bush 40 Inspection part 43 Abutting member 431 Abutting piece 50 Lever

Claims (3)

[Claims] 1. A plurality of terminal fittings to be crimped in advance at respective ends of a plurality of electric wires, and a terminal insertion hole penetratingly formed from a rear end surface to a front end surface, each terminal fitting corresponding to each terminal insertion. It is used when performing a connector inspection of a wire harness that includes a connector that is equipped with a housing that is inserted into the hole and a retainer that engages with the terminal fitting to prevent the terminal fitting from coming off when mounted on the housing. A positioning plate portion is provided to which the rear end surface of the connector to be abutted is provided, and a connector holding portion for holding and holding the connector in a positioned state by abutting the positioning plate portion, and a connector holding portion relative to the connector holding portion. A detector which is arranged so as to be able to come into contact with and separate from one another, and which can be fitted to the front end face side of the connector and come into contact with the terminal fitting in a state where the inspection portion and the connector holding portion are relatively close to each other. , A connector having an inspection portion protruding at a position corresponding to each terminal fitting, and a slide operation portion that slides at least one of the connector holding portion and the inspection portion to bring the opposing distance between the two closer together / away from each other. The inspector is equipped with contact avoidance means for avoiding contact between the terminal metal fittings and the detector when the retainer is incompletely mounted. The contact avoidance means is provided in the inspection section and Allows the connector to slide and displace in the pressing direction when the retainer comes into contact with the retainer protruding from the housing of the connector when the connector holding part approaches and the retainer presses the retainer. A connector inspecting device, comprising: 2. The connector inspecting device according to claim 1, wherein the abutting means includes an abutting piece protruding toward the connector holding portion along the sliding direction of the inspecting portion. vessel. 3. The connector inspecting device according to claim 1, wherein the slide permitting means includes a fastening shaft member that fastens the positioning plate portion to the connector holding portion, and a bush having elasticity. A connector inspection device characterized in that it is interposed between the fastening shaft member and the positioning plate so that the elastic deformation allows the displacement of the positioning plate in the direction opposite to the fastening direction.