WO2017203978A1 - Dispositif d'inspection de borne et procédé d'inspection de borne - Google Patents

Dispositif d'inspection de borne et procédé d'inspection de borne Download PDF

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Publication number
WO2017203978A1
WO2017203978A1 PCT/JP2017/017646 JP2017017646W WO2017203978A1 WO 2017203978 A1 WO2017203978 A1 WO 2017203978A1 JP 2017017646 W JP2017017646 W JP 2017017646W WO 2017203978 A1 WO2017203978 A1 WO 2017203978A1
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WIPO (PCT)
Prior art keywords
terminal
contact
pair
fitting
female
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PCT/JP2017/017646
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English (en)
Japanese (ja)
Inventor
佳吾 高橋
Original Assignee
株式会社オートネットワーク技術研究所
住友電装株式会社
住友電気工業株式会社
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Application filed by 株式会社オートネットワーク技術研究所, 住友電装株式会社, 住友電気工業株式会社 filed Critical 株式会社オートネットワーク技術研究所
Publication of WO2017203978A1 publication Critical patent/WO2017203978A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors

Definitions

  • the technology disclosed in this specification relates to a terminal inspection device and a terminal inspection method.
  • Patent Document 1 discloses an example of the terminal inspection apparatus which inspects the insertion state of the terminal metal fitting inserted in the terminal storage chamber of a connector.
  • the terminal inspection apparatus described in Patent Document 1 includes an inspection chamber into which a connector housing before insertion of a terminal fitting is inserted, a movable pin that is pushed back by a terminal fitting inserted into a terminal receiving chamber of the connector housing, and a movable A spring for biasing the pin, a fixed pin that comes into contact with the movable pin when the terminal fitting reaches the locking position, and an electric circuit for inspection that is energized in accordance with the contact between the movable pin and the fixed pin.
  • the technology disclosed in the present specification has been completed based on the above circumstances, and an object thereof is to provide a terminal inspection device suitable for a small terminal fitting.
  • the terminal inspection device is a pair of terminal contact portions that can contact different locations in a terminal fitting inserted into a terminal housing chamber of a connector housing, and at least one of the terminal contacts.
  • a pair of terminal contact portions that are in contact with the terminal fitting that has reached the normal depth, although the portion is not contacted with the terminal fitting that is inserted into the terminal accommodating chamber and does not reach the normal depth.
  • an inspection electric circuit portion having a pair of circuit end portions connected to the pair of terminal contact portions.
  • the terminal fitting inserted into the terminal housing chamber of the connector housing does not reach the normal depth, at least one of the terminal contact portions is not in contact with the terminal fitting.
  • the electrical circuit section for use becomes an open circuit.
  • the pair of terminal contact portions are brought into contact with different locations in the terminal fitting, so that the inspection electric circuit portion is a terminal. It becomes a closed circuit through a metal fitting. In this way, whether or not the terminal fitting inserted into the terminal housing chamber of the connector housing has reached the normal depth can be electrically detected by the inspection electric circuit section.
  • the insertion depth of the terminal fitting is electrically detected based on whether or not the movable pin that is pushed back by the terminal fitting contacts the fixed pin, but the movable pin is biased. I needed a spring for that.
  • the terminal fitting has reached the normal depth as described above, the pair of terminal contact portions are brought into contact with different portions of the terminal fitting, so that the electrical circuit for inspection becomes a closed circuit. Therefore, a spring for urging the movable pin as in the prior art is not required. Thereby, even when a small terminal fitting is handled, sufficiently high detection accuracy can be easily obtained.
  • An inspection apparatus body having at least the inspection electric circuit section, and a detachable section provided with a pair of terminal contact portions and detachably attached to the inspection apparatus body.
  • the detachable portion is provided with a housing accommodating portion that accommodates the connector housing, and the inspection apparatus main body includes a pair of connection terminals constituting the pair of circuit end portions and the detachable portion.
  • the inspection electric circuit portion is determined based on whether or not the pair of terminal contact portions are brought into contact with the terminal fitting inserted into the terminal accommodating chamber. It becomes an open circuit or a closed circuit, so that it can be electrically detected whether or not the terminal fitting has reached the normal depth.
  • At least any one of a pair of said terminal contact part has a contact contact part contacted with the contact part with the other party terminal used as connection object in the said terminal metal fitting. If it does in this way, contact with either one of a pair of terminal contact parts and a terminal metal fitting can be aimed at using a contact part with the other party terminal in a terminal metal fitting.
  • the contact contact portion includes an elastic contact piece that elastically contacts the tab when the contact portion is a tab. In this way, even when the contact portion is a tab having almost no elasticity, the contact contact portion has the elastic contact piece, so that the contact state with respect to the terminal fitting becomes stable.
  • At least one of the pair of terminal contact portions is locked to which a terminal locking portion provided in the connector housing is locked when the regular depth of the terminal fitting is reached. It has a locked part contact part which contacts a part. If it does in this way, it can aim at contact with either one of a pair of terminal contact parts, and a terminal metal fitting using a to-be-latched part to which a terminal locking part of a connector housing is locked among terminal metal fittings. it can.
  • the inspection electric circuit unit includes a power supply unit having one end connected to one side of the pair of terminal contact units, and a notification unit that emits a notification function when receiving power from the power supply unit. And one end side is provided on the other end side of the power supply unit, and the other end side is provided with a notification unit connected to the other side of the pair of terminal contact portions. In this way, if the terminal fitting inserted into the terminal housing chamber of the connector housing does not reach the normal depth, at least one of the terminal contact portions is not in contact with the terminal fitting. Is not supplied to the notification unit.
  • the power from the power supply unit is notified by the pair of terminal contact portions coming into contact with different locations of the terminal fitting. To be supplied.
  • the notification unit emits a notification function, the operator can know that the terminal fitting has reached the normal depth. As described above, the operator can easily know whether or not the terminal fitting has reached the normal depth based on the presence or absence of the notification by the notification unit.
  • the terminal inspection method of the technique disclosed in this specification uses the terminal inspection apparatus described above. According to such a terminal inspection method, even when the terminal fitting to be inspected is downsized, it is easily inspected whether the terminal fitting has reached the normal depth with sufficiently high detection accuracy. be able to.
  • a terminal inspection device suitable for a small terminal fitting can be provided.
  • FIG. Sectional drawing which shows the female connector of the state before inserting the female terminal metal fitting used as the test object of the terminal test
  • inspection apparatus which concerns on Embodiment 1.
  • FIG. Sectional drawing which shows the state before attaching a detachable part to the inspection apparatus main body which comprises a terminal inspection apparatus.
  • FIG. 1 Sectional drawing which shows the state before accommodating the female connector in which the female terminal metal fitting was inserted to the regular depth in a terminal test
  • Sectional drawing which shows the state before attaching a detachable part to the inspection apparatus main body which comprises a terminal inspection apparatus. Sectional drawing which shows the state before accommodating the male connector by which the male terminal metal fitting was inserted to the regular depth in a terminal inspection apparatus. Sectional drawing which shows the state before accommodating the male connector by which the male terminal metal fitting was half-inserted in a terminal inspection apparatus Sectional drawing which shows the state which accommodated the male connector in which the male terminal metal fitting was inserted to the regular depth in the terminal inspection apparatus Sectional drawing which shows the state which accommodated the male connector by which the male terminal metal fitting was half-inserted in the terminal inspection apparatus
  • FIGS. 1 A first embodiment will be described with reference to FIGS.
  • a terminal inspection device 20 that uses a female terminal fitting (terminal fitting) 11 provided in a female connector (connector) 10 that is fitted and connected to a male connector (mating connector) (not shown) as an inspection target is illustrated.
  • the X axis is shown in a part of each drawing, and in the front-rear direction, the left side shown in each drawing along the X axis direction is the front and the right side is the rear.
  • the female connector 10 including the female terminal fitting 11 to be inspected will be described.
  • the female connector 10 includes a female terminal fitting 11 connected to the end of the electric wire W, and a female connector housing (connector housing) 12 in which the female terminal fitting 11 is accommodated.
  • the female terminal fitting 11 is made of conductive metal. As shown in FIG. 1, the female terminal fitting 11 has a female terminal main body (terminal main body) 11a having a substantially box shape opened in the front and rear, and a wire connecting portion 11b connected to the terminal of the electric wire W. Yes. Among these, the electric wire connection part 11b is provided in the form which continues in the rear side of the female terminal main body 11a. An elastic contact piece (contact portion) 13 is provided inside the female terminal body 11a so as to face the opening of the female terminal body 11a, and this elastic contact piece 13 is a male terminal fitting (mating terminal) of a mating member (not shown). Elastic contact is possible.
  • the outer surface of the female terminal main body 11a is provided with a locked protrusion (locked portion) 14 that protrudes outward, and a lance 16 provided in the female connector housing 12 described later can be locked therein. It is said.
  • the locked projection 14 is provided in the vicinity of the front end of the outer surface (lance facing surface) facing the lance 16 in the female terminal body 11a.
  • the female connector housing 12 is made of an insulating synthetic resin. As shown in FIG. 1, the female connector housing 12 has a substantially block shape, and a terminal accommodating chamber 15 in which the female terminal fitting 11 can be accommodated is provided. The terminal accommodating chamber 15 is opened rearward in the female connector housing 12 so that the female terminal fitting 11 connected to the electric wire W can be inserted from the rear.
  • the front wall 12a of the terminal accommodating chamber 15 in the female connector housing 12 is formed with a first opening (mating terminal insertion port) 12a1 communicating with the terminal accommodating chamber 15 and the opening of the female terminal main body 11a accommodated therein. Yes.
  • a mating male terminal fitting, a terminal contact portion 27 provided in the terminal inspection device 20 and the like can be inserted into the first opening 12a1.
  • a lance (terminal locking portion) 16 for preventing the female terminal fitting 11 from coming off is provided on the side wall of the female connector housing 12 constituting the terminal accommodating chamber 15.
  • the lance 16 has a cantilever shape projecting from the side wall toward the terminal accommodating chamber 15, and a locking projection of the female terminal fitting 11 whose tip is inserted into the terminal accommodating chamber 15 to a normal depth. Locked to the portion 14. In the middle of inserting the female terminal fitting 11 into the terminal accommodating chamber 15, the lance 16 is bent by being pressed by the locking projection 14 of the female terminal main body 11 a and retracted into the bending space. (See FIG. 4).
  • a portion of the front wall 12 a of the female connector housing 12 that overlaps the lance 16 when viewed from the front is formed with a second opening (release jig insertion port) 12 a 2 that communicates with the terminal accommodating chamber 15.
  • the second opening 12a2 includes a release jig (not shown) for forcibly bending and deforming the lance 16 when the female terminal fitting 11 is removed from the female connector housing 12, and a terminal contact portion provided in the terminal inspection device 20. 27 can be inserted.
  • the terminal inspection device 20 includes an inspection device main body 21 and a detachable portion 22 that is attached to the inspection device main body 21 in a detachable manner.
  • the inspection apparatus main body 21 has an inspection electric circuit portion 23 for electrically detecting the insertion state of the female terminal fitting 11 with respect to the female connector housing 12.
  • the inspection device main body 21 is made of synthetic resin, and includes a main body portion 21a provided with an inspection electric circuit portion 23, a detachable portion accommodating portion 21b in which the detachable portion 22 is accommodated, and a pair of connections described later. And a connection terminal arrangement portion 21c in which the terminal 26 is arranged.
  • the detachable portion accommodating portion 21b and the connection terminal arrangement portion 21c are both substantially cylindrical and open toward the rear along the X-axis direction. The opening is in communication.
  • a locking claw portion 21b1 that is engaged with the accommodated detachable portion 22 to prevent it from coming off.
  • the front stop wall part 21b2 which stops the detachable part 22 ahead is provided in the back end part of the detachable part accommodating part 21b.
  • the connection terminal arrangement part 21c protrudes inwardly in a stepped manner with respect to the detachable part accommodating part 21b, and a pair of connection terminals 26 are arranged in the inner space so as to protrude from the main body part 21a.
  • the inspection electric circuit portion 23 is inserted into the female connector housing 12 based on whether the pair of circuit end portions 23 a is short-circuited by the female terminal fitting 11. Is to be detected electrically.
  • the inspection electric circuit unit 23 includes a power supply unit 24 that is a power supply source, a notification unit 25 that exhibits a notification function when supplied with power from the power supply unit 24, and a pair of circuit end portions. And a pair of connection terminals 26 constituting 23a, and these are connected to each other by wiring. The connection mode by wiring will be described in detail.
  • the positive electrode side end (the other end side) of the power supply unit 24 is one end (one end side) of the notification unit 25, and the negative electrode side end (one end side) is the lower side (one side).
  • the other end side of the notification section 25 opposite to the power supply section 24 side is connected to the connection terminal 26 on the upper stage side (the other side).
  • the power supply unit 24 is a DC power supply.
  • the notification unit 25 includes a notification light source that can be lit (emitted) using a direct current supplied from the power supply unit 24.
  • the pair of connection terminals 26 are made of metal, and the end portion on the side connected to the wiring is inserted into the main body portion 21a of the inspection apparatus main body 21, and the remaining portion is connected to the connection terminal arrangement portion 21c from the main body portion 21a.
  • connection terminal 26 includes a pair of pieces 26a and 26b sandwiching a terminal contact portion 27 to be connected.
  • One piece 26a functions as a receiving portion for receiving the terminal contact portion 27, and the other piece 26b It functions as a spring portion that makes elastic contact with the terminal contact portion 27.
  • the detachable part 22 has a pair of terminal contact parts 27 that can contact the female terminal fitting 11 to be inspected.
  • the detachable portion 22 is made of synthetic resin, and includes a terminal holding portion 22 a that holds a pair of terminal contact portions 27 and a housing accommodating portion 22 b that accommodates the female connector housing 12.
  • the terminal holding part 22a has a vertically long block shape, and is inserted with a pair of terminal contact parts 27 penetrating in the front-rear direction.
  • the housing accommodating portion 22b has a substantially cylindrical shape that opens rearward along the X-axis direction, and the female connector housing 12 can be inserted into the inner space from the rear.
  • the pair of terminal contact portions 27 are made of metal and, as shown in FIG. 2, are held in the terminal holding portion 22a so as to be arranged in the vertical direction shown in FIG. 2, and protrude forward and backward from the terminal holding portion 22a. .
  • a portion protruding rearward (right side shown in FIG. 2) from the terminal holding portion 22a is arranged in the internal space of the housing accommodating portion 22b, and this portion is in direct contact with the female terminal fitting 11. It is set as the female terminal metal fitting side contact part 27a.
  • a portion of each terminal contact portion 27 that protrudes forward (left side shown in FIG. 2) from the terminal holding portion 22a is as shown in FIG.
  • connection terminal side contact portion 27 b is in direct contact with the connection terminal 26.
  • the pair of terminal contact portions 27 is formed of a female terminal fitting when the female terminal fitting 11 inserted into the terminal accommodating chamber 15 of the female connector housing 12 reaches a normal depth. 11, when the female terminal fitting 11 does not reach the normal depth, one terminal contact portion 27 (the upper terminal contact portion 27 shown in FIG. 5) is connected to the female terminal fitting 11. Is supposed to be non-contact. Specifically, among the pair of terminal contact portions 27, the upper terminal contact portion 27 shown in FIG. 5 is such that the female terminal fitting side contact portion 27 a contacts the locked protrusion 14 in the female terminal fitting 11. The lower-side terminal contact portion 27 shown in FIG.
  • the locked protrusion contact portion 28 has a tip portion arranged in the internal space of the housing accommodating portion 22b, whereas the elastic contact piece contact portion 29 has a tip portion penetrating through the internal space of the housing accommodating portion 22b. It has reached the outside. That is, the elastic contact piece contact portion 29 has a longer protruding length from the terminal holding portion 22 a than the locked protrusion contact portion 28.
  • the terminal contact portion 27 having the locked protrusion contact portion 28 is a “terminal contact portion for locked protrusion (terminal contact portion for locked portion)” and a terminal contact having an elastic contact piece contact portion 29. It can be said that the portion 27 is a “terminal contact portion for elastic contact piece (terminal contact portion for contact)”.
  • the terminal inspection apparatus 20 has the above-described structure. Next, a terminal inspection method using the terminal inspection apparatus 20 will be described.
  • the detachable portion 22 is inserted into the detachable portion accommodating portion 21b of the inspection apparatus main body 21 from the rear from the state shown in FIG.
  • each connection terminal side contact portion 27 b in the pair of terminal contact portions 27 is arranged in the internal space of the connection terminal arrangement portion 21 c, and a pair of piece portions 26 a constituting each connection terminal 26. , 26b, each terminal contact portion 27 is connected to each connection terminal 26.
  • the inspection electric circuit portion 23 is an open circuit
  • the notification portion 25 is in a non-lighting (non-light emitting) state.
  • the terminal inspection method includes a terminal insertion step of inserting the female terminal fitting 11 into the terminal accommodating chamber 15 of the female connector housing 12, and a female terminal fitting by accommodating the female connector housing 12 in the housing accommodating portion 22b of the terminal inspection apparatus 20.
  • 11 includes a detection process (housing housing process) for detecting the insertion state, and a notification confirmation process (detection confirmation process) for confirming the presence or absence of notification by the notification unit 25.
  • the female terminal fitting 11 connected to the terminal of the electric wire W is inserted into the terminal accommodating chamber 15 of the female connector housing 12 from the rear from the state shown in FIG. In the middle of insertion, the lance 16 is bent and deformed by the lance 16 being pressed outward by the locked protrusion 14.
  • the female terminal fitting 11 reaches the normal depth, as shown in FIG. 3, the pressed state by the locked projection 14 is released, and the lance 16 is elastically restored, and the tip thereof is the locked projection 14.
  • the female terminal fitting 11 is prevented from coming off.
  • the locked protrusion 14 is disposed in the space in front of the lance 16 whose entire area has been elastically restored, and is exposed to the front outside through the second opening 12a2.
  • the lance 16 rides on the locked protrusion 14 while being bent and deformed.
  • the stop protrusion 14 is retained at a position retracted more than when the normal depth is reached (specifically, a position overlapping the lance 16 in the front-rear direction).
  • the female connector housing 12 into which the female terminal fitting 11 is inserted is inserted into the housing accommodating portion 22 b of the detachable portion 22 in the terminal inspection device 20 from the rear.
  • the locked protrusion contact portion 28 of the upper terminal contact portion 27 (locked protrusion terminal contact portion) is the second opening 12a2.
  • the elastic contact piece contact portion 29 of the lower terminal contact portion 27 (elastic contact piece terminal contact portion) is inserted into the terminal accommodation chamber 15 through the first opening 12a1.
  • the locked protrusion contact portion 28 passed through the second opening 12a2 is a female terminal.
  • the elastic contact piece contact portion 29 passed through the first opening 12 a 1 is brought into elastic contact with the elastic contact piece 13 of the female terminal fitting 11 while being in contact with the locked protrusion 14 of the fitting 11.
  • the pair of terminal contact portions 27 are short-circuited via the female terminal fitting 11, so that the inspection electric circuit portion 23 becomes a closed circuit.
  • reporting part 25 will be in a lighting state.
  • the operator can know the inspection result that the female terminal fitting 11 has reached the normal depth by confirming the lighting of the notification unit 25.
  • the elastic contact piece contact portion 29 passed through the first opening 12a1 is locked as shown in FIG. Since the protruding length is longer than the protruding contact portion 28, the locked protruding contact portion 28 passed through the second opening 12a2 is elastically contacted with the elastic contact piece 13 of the female terminal fitting 11, There is no contact with the locked protrusion 14 of the female terminal fitting 11. Since the pair of terminal contact portions 27 are not short-circuited by the female terminal fitting 11, the inspection electric circuit portion 23 remains open. Therefore, since the power of the power supply unit 24 is not supplied to the notification unit 25, the notification unit 25 remains in a non-lighted state.
  • the operator can know the inspection result that the female terminal fitting 11 has not reached the normal depth and has been half-inserted by confirming that the notification portion 25 is not lit. As described above, whether or not the female terminal fitting 11 inserted into the terminal accommodating chamber 15 of the female connector housing 12 has reached the normal depth can be electrically detected by the inspection electric circuit portion 23. .
  • the insertion depth of the terminal fitting is electrically detected based on whether or not the movable pin that is pushed back by the terminal fitting contacts the fixed pin, but the movable pin is biased. I needed a spring for that.
  • the pair of terminal contact portions 27 are brought into contact with different locations in the female terminal fitting 11 so that the inspection electric circuit portion 23 is closed circuit. Therefore, a spring for urging the movable pin as in the prior art becomes unnecessary. Thereby, sufficiently high detection accuracy can be easily obtained even when the small female terminal fitting 11 is handled.
  • the terminal inspection device 20 can be downsized in the front-rear direction, and is excellent in portability.
  • the detachable part 22 having the pair of terminal contact parts 27 is detachably attached to the inspection apparatus main body 21, a pair of terminal contacts that directly contact the female terminal fitting 11 to be inspected. Even when the part 27 has deteriorated over time, such as wear, only the removable part 22 needs to be replaced, and the inspection apparatus main body 21 can be used continuously, which is suitable for reducing the running cost. It becomes.
  • the structure related to the female terminal fitting 11 to be inspected is different, for example, male or female, only the detachable portion 22 is suitable for the structure of the terminal fitting to be inspected. Since it becomes possible to cope with the problem by exchanging it, it is highly versatile and suitable for cost reduction.
  • the terminal inspection apparatus 20 has a pair of contacts that can contact different locations in the female terminal fitting (terminal fitting) 11 inserted into the terminal accommodating chamber 15 of the female connector housing (connector housing) 12.
  • the terminal contact portion 27 at least one of the terminal contact portions 27 is inserted into the terminal accommodating chamber 15 and is not in contact with the female terminal fitting 11 that does not reach the normal depth, the normal depth
  • the female terminal fitting 11 that has reached the above is provided with a pair of terminal contact portions 27 to be contacted and an inspection electric circuit portion 23 having a pair of circuit end portions 23 a connected to the pair of terminal contact portions 27.
  • the inspection electric circuit section 23 becomes an open circuit.
  • the pair of terminal contact portions 27 are brought into contact with different locations in the female terminal fitting 11. Therefore, the inspection electric circuit portion 23 becomes a closed circuit via the female terminal fitting 11. In this way, whether or not the female terminal fitting 11 inserted into the terminal accommodating chamber 15 of the female connector housing 12 has reached the normal depth can be electrically detected by the inspection electric circuit section 23.
  • the insertion depth of the terminal fitting is electrically detected based on whether or not the movable pin that is pushed back by the terminal fitting contacts the fixed pin, but the movable pin is biased. I needed a spring for that.
  • the pair of terminal contact portions 27 are brought into contact with different locations in the female terminal fitting 11 so that the inspection electric circuit portion 23 is closed circuit. Therefore, a spring for urging the movable pin as in the prior art becomes unnecessary. Thereby, sufficiently high detection accuracy can be easily obtained even when the small female terminal fitting 11 is handled.
  • the inspection apparatus main body 21 having at least the inspection electric circuit section 23 and the detachable section 22 that is detachably attached to the inspection apparatus main body 21 provided with the pair of terminal contact portions 27 are provided. In this way, even when aged deterioration such as wear occurs in the pair of terminal contact portions 27 that directly contact the female terminal fitting 11 to be inspected, only the detachable portion 22 needs to be replaced. Since the inspection apparatus main body 21 can be used continuously, it is suitable for reducing the running cost. In addition, even if the structure of the female terminal fitting 11 to be inspected is different, for example, a male type or a female type, only the detachable portion 22 is changed to the structure of the female terminal fitting 11 to be inspected. Since it becomes possible to respond by replacing it with a suitable one, it is highly versatile.
  • the detachable portion 22 is provided with a housing accommodating portion 22b that accommodates the female connector housing 12.
  • the inspection apparatus main body 21 includes a pair of connection terminals 26 that constitute a pair of circuit end portions 23a, and a detachable portion.
  • a detachable part accommodating part 21b for accommodating the possible part 22 and a connection terminal arrangement part 21c arranged adjacent to the detachable part accommodating part 21b and provided with a pair of connection terminals 26 are provided.
  • a pair of terminal contact portions 27 are connected to 26.
  • At least one of the pair of terminal contact portions 27 is a contact contact portion that is brought into contact with the elastic contact piece 13 that is a contact portion with a mating male terminal fitting (mating terminal) to be connected in the female terminal fitting 11. have. If it does in this way, contact with either one of a pair of terminal contact parts 27 and female terminal metal fitting 11 is aimed at using elastic contact piece 13 which is a contact part with the other male terminal metal fitting in female terminal metal fitting 11. be able to.
  • At least one of the pair of terminal contact portions 27 is engaged with a lance (terminal locking portion) 16 provided in the female connector housing 12 when the normal depth of the female terminal fitting 11 is reached. And a locked portion contact portion that is brought into contact with the locked protrusion (locked portion) 14. If it does in this way, either one of a pair of terminal contact parts 27 and female terminal metal fittings 11 will be used using female object metal fittings 11 to which locked lance 14 of female connector housing 12 is latched. Can be contacted.
  • the inspection electric circuit unit 23 includes a power source unit 24 whose one end is connected to one side of the pair of terminal contact units 27, and a notification unit 25 that emits a notification function when power is supplied from the power source unit 24.
  • the one end side is provided with the other end side of the power supply unit 24, and the other end side is connected with the other side of the pair of terminal contact portions 27.
  • the pair of terminal contact portions 27 are brought into contact with different portions of the female terminal fitting 11.
  • the power from the power supply unit 24 is supplied to the notification unit 25.
  • reporting part 25 emits an alerting
  • the terminal inspection method according to the present embodiment uses the terminal inspection apparatus 20 described above. According to such a terminal inspection method, whether or not the female terminal fitting 11 has reached the normal depth with sufficiently high detection accuracy even when the female terminal fitting 11 to be inspected is downsized. Can be easily inspected.
  • the male connector 30 including a male terminal fitting (terminal fitting) 31 to be inspected will be described.
  • the male connector 30 includes a male terminal fitting 31 connected to the end of the electric wire W, and a male connector housing (connector housing) 32 in which the male terminal fitting 31 is accommodated.
  • the male terminal fitting 31 is made of a conductive metal. As shown in FIG. 7, the male terminal fitting 31 has a male terminal main body (terminal main body) 31a having a substantially box shape opened in the front and rear, and a wire connecting portion 31b connected to the terminal of the electric wire W. Yes. Among these, the electric wire connection part 31b is provided in the form which continues in the rear side of the male terminal main body 31a.
  • the male terminal main body 31a is provided with a tab (contact portion) 33 that protrudes forward, and this tab 33 can be brought into contact with a mating female terminal fitting (mating terminal) (not shown). .
  • the outer surface of the male terminal main body 31a is provided with a locked protrusion (locked portion) 34 that protrudes outward, and a lance 36 provided in the male connector housing 32 described later can be locked therein. It is said.
  • the locked projection 34 is provided in the vicinity of the front end of the outer surface (lance facing surface) facing the lance 36 in the male terminal main body 31a.
  • the male connector housing 32 is made of an insulating synthetic resin. As shown in FIG. 7, the male connector housing 32 includes a housing main body 37 that has a substantially block shape, and a hood portion 38 that protrudes forward from the housing main body 37.
  • the hood portion 38 has a substantially cylindrical shape that opens forward, and a mating female connector (mating connector) can be fitted into the internal space from the front.
  • the housing main body 37 is provided with a terminal accommodating chamber 35 in which the male terminal fitting 31 can be accommodated.
  • the terminal accommodating chamber 35 opens rearward in the male connector housing 32, and the male terminal fitting 31 connected to the electric wire W from the rear can be inserted.
  • a first opening (tab insertion opening) 37 a 1 is formed in the front wall 37 a of the terminal housing chamber 35 in the housing main body 37 so as to communicate with the terminal housing chamber 35 and allow the tab 33 to be inserted.
  • the tab 33 is inserted into the first opening 37a1 and arranged so as to protrude from the front wall 37a to the internal space of the front hood portion 38 ( (See FIG. 9).
  • a lance 36 for preventing the male terminal fitting 31 from coming off is provided on the side wall of the male connector housing 32 constituting the terminal accommodating chamber 35.
  • the lance 36 has a cantilever shape protruding from the side wall into the terminal accommodating chamber 35, and the protruding portion of the male terminal fitting 31 whose tip is inserted into the terminal accommodating chamber 35 to a normal depth. Locked to the portion 34.
  • the lance 36 is bent by being pressed by the locking projection 34 of the male terminal main body 31a and retracted into the bending space. (See FIG. 10).
  • a second opening (release jig insertion port) 37a2 communicating with the terminal accommodating chamber 35 is formed in a portion overlapping the lance 36 when viewed from the front. ing.
  • the second opening 37a2 includes a release jig (not shown) for forcibly bending and deforming the lance 36 when the male terminal fitting 31 is removed from the male connector housing 32, and a terminal contact portion provided in the terminal inspection device 120. 127 or the like can be inserted.
  • the terminal inspection device 120 will be described.
  • the structure of the detachable portion 122 and the pair of terminal contact portions 127 is changed from that described in the first embodiment, but the inspection device main body 21 and the inspection electrical device are used.
  • the circuit unit 23 is the same as that described in the first embodiment. Therefore, in the following, only the configuration changes of the detachable portion 122 and the pair of terminal contact portions 127 will be described, and the description of the configurations of the inspection apparatus main body 21 and the inspection electric circuit portion 23 will be omitted and the above description will be given.
  • the same reference numerals as those in Embodiment 1 are used.
  • the detachable part 122 provided in the terminal inspection apparatus 120 is configured such that the terminal holding part 122a protrudes rearward from the housing accommodating part 122b.
  • the terminal holding portion 122a protrudes into the internal space of the housing accommodating portion 122b, and the periphery thereof is surrounded by the housing accommodating portion 122b having a substantially cylindrical shape.
  • the space vacated between the housing accommodating portion 122b and the terminal holding portion 122a is opened rearward, and the hood portion 38 of the male connector housing 32 can be inserted from the rear (see FIG. 11). .
  • the pair of terminal contact portions 127 includes a connection terminal side contact portion 127 b similar to that described in the first embodiment and a male terminal fitting that is in direct contact with the male terminal fitting 31.
  • Side contact portions 40 Of the terminal contact portions 27, the upper-side terminal contact portion 127 shown in FIG. 8 is engaged by the male terminal fitting side contact portion 40 that can contact the locked protrusion 34 of the male terminal fitting 31.
  • the lower terminal contact portion 127 shown in FIG. 8 has the male terminal fitting side contact portion 40 as the tab 33 in the male terminal fitting 31.
  • a tab contact portion (contact point contact portion) 41 that can be contacted is provided.
  • the pair of terminal contact portions 127 contact different locations in the male terminal metal fitting 31.
  • one terminal contact portion 127 (the upper terminal contact portion 127 shown in FIG. 8) is not in contact with the male terminal fitting 31. It is like that.
  • the upper terminal contact portion 127 shown in FIG. 8 is held by the connection terminal contact portion 127b and the locked protrusion contact portion 128 as shown in FIG. It is provided so as to protrude forward and backward with respect to the portion 122a.
  • the locked protrusion contact portion 128 protruding rearward from the terminal holding portion 122a is detachable together with the terminal holding portion 122a as shown in FIG. 9 when the detachable portion 122 is accommodated in the detachable portion accommodating portion 21b. It protrudes backward from the part accommodating part 21b.
  • the tab contact portion 41 fits in the terminal holding portion 122a.
  • the tab contact portion 41 is provided with an elastic contact piece 42 that rises from its rear end portion and has a free end extending forward, and has a cantilever shape. Elastic contact.
  • the terminal holding portion 122a is provided with an opening 43 that accommodates the tab contact portion 41 and the elastic contact piece 42 so as to open rearward. As the male connector housing 32 is accommodated in the housing accommodating portion 122b, the tab 33 can be inserted into the opening 43 from the rear (see FIG. 11). It can be said that the terminal contact portion 127 having the tab contact portion 41 is a “tab terminal contact portion (contact terminal contact portion)”.
  • the terminal inspection apparatus 120 has the above-described structure. Next, a terminal inspection method using the terminal inspection apparatus 120 will be described. Similarly to the first embodiment described above, prior to performing the terminal inspection, from the state shown in FIG. 8, the detachable part 122 is inserted into the detachable part accommodating part 21b of the inspection apparatus main body 21 from the rear. The state shown in FIG. In this state, although each terminal contact portion 127 is connected to each connection terminal 26, the pair of terminal contact portions 127 are not short-circuited with each other, so that the inspection electric circuit portion 23 is an open circuit.
  • the notification unit 25 is in a non-lighting (non-light emitting) state.
  • the detachable portion 122 used here is for the male connector 30 and is different from the detachable portion 22 (see FIG. 3) for the female connector 10 described in the first embodiment.
  • the inspection apparatus main body 21 is the same as that described in the first embodiment. That is, according to this terminal inspection device 120, if only the detachable portions 22 and 122 are replaced, it is possible to flexibly cope with the change of the inspection object at a low cost.
  • the terminal inspection method includes a terminal insertion step of inserting the male terminal fitting 31 into the terminal accommodating chamber 35 of the male connector housing 32, and the male connector housing 32 accommodated in the housing accommodating portion 122b of the terminal inspection device 120.
  • 31 includes a detection process (housing housing process) for detecting the insertion state of 31 and a notification confirmation process (detection confirmation process) for confirming the presence or absence of notification by the notification unit 25.
  • the male terminal fitting 31 connected to the terminal of the electric wire W is inserted into the terminal accommodating chamber 35 of the male connector housing 32 from the rear from the state shown in FIG.
  • the lance 36 is bent and deformed by the lance 36 being pressed outward by the locked projection 34.
  • the male terminal fitting 31 reaches the normal depth, as shown in FIG. 9, the pressed state by the locked projection 34 is released and the lance 36 is elastically restored, and the tip thereof is the locked projection 34.
  • the male terminal fitting 31 is prevented from coming off.
  • the locked protrusion 34 is disposed in the space in front of the lance 36 whose entire area has been elastically restored, and is exposed to the front outside through the second opening 37a2.
  • the lance 36 rides on the locked protrusion 34 while being bent and deformed.
  • the stop protrusion 34 is retained at a position retracted more than when the normal depth is reached (specifically, a position overlapping the lance 36 in the front-rear direction).
  • the hood portion 38 of the male connector housing 32 into which the male terminal fitting 31 is inserted is inserted into the housing accommodating portion 122 b of the detachable portion 122 in the terminal inspection device 120 from the rear. To do. At this time, the terminal holding part 122a protruding rearward from the housing accommodating part 122b is fitted into the internal space of the hood part 38 from the front. In the process in which the terminal holding portion 122a is fitted into the internal space of the hood portion 38, the locked protrusion contact portion 128 of the upper terminal contact portion 127 (locked protrusion terminal contact portion) is the second.
  • the tab 33 of the male terminal fitting 31 While being inserted into the terminal accommodating chamber 35 from the front through the opening 37a2, the tab 33 of the male terminal fitting 31 is inserted into the opening 43 of the terminal holding portion 122a from the rear.
  • the locked protrusion contact portion 128 passed through the second opening 37a2 is the male terminal.
  • the tab 33 inserted into the opening 43 of the terminal holding portion 122 a is brought into elastic contact with the elastic contact piece 42 of the tab contact portion 41 while being in contact with the locked protrusion 34 of the metal fitting 31. Accordingly, the pair of terminal contact portions 127 are short-circuited via the male terminal fitting 31, so that the inspection electric circuit portion 23 becomes a closed circuit.
  • reporting part 25 will be in a lighting state.
  • the operator can know the inspection result that the male terminal fitting 31 has reached the normal depth by confirming the lighting of the notification unit 25.
  • the tab contact portion is inserted into the opening 43 of the terminal holding portion 122a.
  • the elastic contact piece 41 is elastically contacted with the elastic contact piece 41, the locked protrusion contact portion 128 passed through the second opening 37 a 2 is not in contact with the locked protrusion 34 of the male terminal fitting 31. .
  • the inspection electric circuit portion 23 remains an open circuit. Therefore, since the power of the power supply unit 24 is not supplied to the notification unit 25, the notification unit 25 remains in a non-lighted state.
  • the operator can know the inspection result that the male terminal fitting 31 has not reached the normal depth and has been half-inserted by confirming that the notification unit 25 is not lit. As described above, whether or not the male terminal fitting 31 inserted into the terminal accommodating chamber 35 of the male connector housing 32 has reached the normal depth can be electrically detected by the inspection electric circuit portion 23. .
  • the tab contact portion (contact contact portion) 41 includes the elastic contact piece 42 that elastically contacts the tab 33 when the contact portion is the tab 33. In this way, even if the contact portion is the tab 33 having almost no elasticity, the contact state with respect to the female terminal fitting 11 is stabilized by the tab contact portion 41 having the elastic contact piece 42. It will be a thing.
  • the insertion depth of the terminal fitting is detected when the terminal fitting is inserted into the terminal accommodating chamber (the terminal insertion step is the detection step).
  • the contact contact portion is not contacted with the contact portion, and the locked protrusion contact portion is not contacted with the locked protrusion. It doesn't matter.
  • the pair of terminal contact portions is in contact with the contact portion (elastic contact piece or tab) of the terminal fitting (female terminal fitting or male terminal fitting) and the locked protrusion.
  • the terminal fitting includes a metal lance that can be locked in the locking groove portion of the connector housing
  • a configuration in which the terminal contact portion is brought into contact with the metal lance can be adopted.
  • the terminal fitting has a pair of metal lances as described above, it is possible to adopt a configuration in which the pair of terminal contact portions are in contact with the pair of metal lances. The contact portion does not come into contact with the contact portion of the terminal fitting.
  • the notification unit is a notification light source that is turned on with energization.
  • the notification unit may be a notification sound source that emits a sound with energization.
  • the notification unit may be a notification vibration source that vibrates with energization.
  • connection terminals are arranged in the internal space of the connection terminal arrangement portion in the inspection apparatus main body.
  • connection terminals for example, the contact points with the terminal contact portions are Excluding the portion
  • the terminal inspection apparatus having a configuration in which the detachable part is attached in a detachable manner to the inspection apparatus main body is illustrated, but the detachable part is omitted and a pair of the inspection apparatus main body A terminal inspection device having a configuration in which the terminal contact portion is provided in a non-removable state may be used.
  • the terminal fitting female terminal fitting or male terminal fitting
  • a plurality of terminals are provided on the connector (female connector or male connector).
  • the plurality of terminal fittings may include terminal fittings that are not subject to inspection (terminal fittings that are not inspected).
  • all of the plurality of terminal fittings provided in the connector may be inspected.
  • the installation side surface of the locked protrusion in the terminal body (female terminal body or male terminal body) of the terminal fitting (female terminal fitting or male terminal fitting) can be changed as appropriate. In that case, the arrangement of the lances is also changed according to the arrangement of the locked protrusions.
  • the “locked portion” includes a locked protrusion protruding from the terminal body (female terminal body or male terminal body) of the terminal fitting (female terminal fitting or male terminal fitting).
  • the terminal body female terminal body or male terminal body
  • the opening edge of the opening part to which the lance is locked is set as the "locked part”. It may be.
  • a double locking connector provided with a retainer that locks at a location other than the locking location by the lance of the terminal fitting can be an inspection target.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

Un dispositif d'inspection de borne (20) comporte : une paire de parties de contact de borne (27) qui sont capables de venir en contact, dans des emplacements mutuellement différents, avec un raccord de borne femelle (raccord de borne) (11) inséré dans une chambre de réception de borne (15) d'un boîtier de connecteur femelle (boîtier de connecteur) (12), au moins une des parties de contact de borne (27) ne venant pas en contact avec le raccord de borne femelle (11) si ledit raccord de borne femelle (11) a été inséré dans la chambre de réception de borne (15) mais n'a pas atteint une profondeur appropriée, mais venant en contact avec le raccord de borne femelle (11) si ledit raccord de borne femelle (11) a atteint la profondeur appropriée ; et une partie de circuit électrique d'inspection (23) comprenant une paire de parties de borne de circuit (23a) qui sont connectées à la paire de parties de contact de borne (27).
PCT/JP2017/017646 2016-05-23 2017-05-10 Dispositif d'inspection de borne et procédé d'inspection de borne WO2017203978A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016102188A JP2017212027A (ja) 2016-05-23 2016-05-23 端子検査装置及び端子検査方法
JP2016-102188 2016-05-23

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56161792U (fr) * 1980-04-30 1981-12-02
JPS6247093Y2 (fr) * 1980-11-25 1987-12-24
JPH0943298A (ja) * 1995-08-02 1997-02-14 Yazaki Corp コネクタの検査方法およびコネクタ検査具
JP2016046181A (ja) * 2014-08-26 2016-04-04 矢崎総業株式会社 コネクタ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56161792U (fr) * 1980-04-30 1981-12-02
JPS6247093Y2 (fr) * 1980-11-25 1987-12-24
JPH0943298A (ja) * 1995-08-02 1997-02-14 Yazaki Corp コネクタの検査方法およびコネクタ検査具
JP2016046181A (ja) * 2014-08-26 2016-04-04 矢崎総業株式会社 コネクタ

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