WO2014112524A1 - Connector - Google Patents

Connector Download PDF

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Publication number
WO2014112524A1
WO2014112524A1 PCT/JP2014/050575 JP2014050575W WO2014112524A1 WO 2014112524 A1 WO2014112524 A1 WO 2014112524A1 JP 2014050575 W JP2014050575 W JP 2014050575W WO 2014112524 A1 WO2014112524 A1 WO 2014112524A1
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WO
WIPO (PCT)
Prior art keywords
female terminal
housing
terminal
fitting
terminal fitting
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Application number
PCT/JP2014/050575
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French (fr)
Japanese (ja)
Inventor
尚一 長坂
Original Assignee
矢崎総業株式会社
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Application filed by 矢崎総業株式会社 filed Critical 矢崎総業株式会社
Publication of WO2014112524A1 publication Critical patent/WO2014112524A1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42Securing in a demountable manner
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/533Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure

Definitions

  • the present invention relates to a connector.
  • Patent Document 1 and Patent Document 2 disclose a technique for preventing the backlash of the terminal fitting in the connector.
  • the housing 100 that houses the female terminal fitting 110 includes a resin terminal housing member 120 that houses and holds the female terminal fitting 110, and the And a resin case 130 into which the terminal accommodating member 120 can be inserted and removed.
  • the terminal receiving member 120 is provided with a terminal locking lance 123 on the upper wall 122 in which the terminal receiving hole 121 into which the female terminal fitting 110 is inserted is defined.
  • the terminal locking lance 123 is an elastic piece that can be bent and deformed in a direction (arrow Y1 direction in FIG. 18) orthogonal to the insertion / extraction direction of the female terminal fitting 110 with respect to the terminal receiving hole 121 (arrow X1 direction in FIG. 18).
  • the terminal locking lance 123 in Patent Document 1 the terminal locking projection 123b is engaged with the step portion 111 of the female terminal fitting 110, so that the female terminal fitting 110 is prevented from coming off. Further, when the terminal accommodating member 120 is inserted into the case 130, the terminal locking lance 123 is elastically deformed toward the female terminal fitting 110 side by the backlash projection 123c being pressed and urged by the upper wall 131 of the case 130. It will be in the state. At this time, the terminal accommodating member 120 is rattled by the elastic reaction force acting on the upper wall 131 from the ratchet projection 123c.
  • the backlash prevention technology disclosed in Patent Document 2 below includes a flexible band portion facing the outer surface of the female terminal fitting in the housing, and an outer surface of the female terminal fitting protruding from the flexible band portion. And a position regulating protrusion for applying a pressing force in a direction orthogonal to the insertion / extraction direction of the female terminal fitting. That is, in Patent Document 2, the female terminal fitting in the housing is directly applied with a pressing force in a direction orthogonal to the insertion / extraction direction, thereby preventing the female terminal fitting from being loose.
  • Patent Document 1 has a problem that the housing for accommodating the female terminal fitting is an assembly structure of the terminal accommodating member 120 and the case 130, and the number of housing components increases.
  • the purpose of the present invention is to solve the above-mentioned problems, and without causing problems such as an increase in the number of components and deterioration of the insertion / extraction of the terminal fitting, suppressing the play of the terminal fitting in a vibration environment, It is an object of the present invention to provide a connector capable of maintaining stable electrical connection performance.
  • a first housing having a female terminal accommodating portion for holding a female terminal fitting, and a male terminal fitting having a tongue-shaped terminal tip fitted to the female terminal fitting
  • a second housing to be fitted and connected
  • the female terminal accommodating portion is connected to the female terminal accommodating hole for accommodating the female terminal fitting, the female terminal accommodating hole is opened at the distal end surface of the female terminal accommodating portion, and the tongue-shaped terminal distal end portion is
  • a male terminal insertion hole that can be inserted, a restriction piece insertion hole that communicates with one side of the female terminal accommodation hole and extends in parallel with the female terminal accommodation hole and opens at a distal end surface of the female terminal accommodation portion
  • the second housing includes a cylindrical portion in which the female terminal accommodating portion is fitted, and the terminal tip portion is fitted in the female terminal fitting in the female terminal accommodating portion fitted in the cylindrical portion.
  • the male terminal accommodating portion that holds the male terminal fitting, and the cylindrical shape that faces the distal end surface of the female terminal accommodating portion so as to be inserted into the restriction piece insertion hole of the female terminal accommodating portion fitted into the cylindrical portion.
  • a backlash regulating piece projecting on the inner bottom surface of the part, In a state in which the first housing and the second housing are fitted and connected, the backlash restricting piece presses and urges one surface of the female terminal fitting in the female terminal housing portion, and the female terminal fitting has a backlash. Connector that suppresses
  • the female terminal receiving portion elastically displaces outward of the female terminal receiving hole due to interference with the female terminal fitting during the insertion of the female terminal fitting, and an elastic restoring force is obtained when the insertion of the female terminal fitting is completed.
  • a terminal locking lance that returns to the state protruding into the female terminal receiving hole and prevents the female terminal fitting from coming off, and the inside of the restricting piece insertion hole allows space for elastic displacement of the terminal locking lance.
  • the backlash restricting piece provided in the housing enters the restricting piece insertion hole of the first housing. Then, the backlash restricting piece that has entered the restricting piece insertion hole of the first housing presses and urges one surface of the female terminal fitting in the first housing to suppress the play of the female terminal fitting.
  • the rattling of the female terminal fitting is performed by the backlash restricting piece projecting on the inner bottom surface of the cylindrical portion of the second housing, and the second housing itself is a single unit. Since only one part is required, the number of components does not increase.
  • the backlash restricting piece provided in the second housing does not participate in the insertion / extraction of the male terminal fitting to / from the second housing, and does not participate in the insertion / extraction of the female terminal fitting in the first housing.
  • the backlash restricting piece does not contact any of the terminal fittings when inserting or removing the terminal fittings in the respective housings, so that a large operating force is not required for inserting or removing the terminal fittings. Therefore, the problem of deterioration of the insertion / extraction of the terminal fitting is not caused.
  • the backlash regulating piece of the second housing entering the regulating piece insertion hole is bent and protrudes into the regulating piece insertion hole. It collides with the terminal locking lance which is present, and the mutual fitting of the housing cannot be completed. That is, the backlash regulating piece functions as a half-fitting detection mechanism that detects the half-fitted state of the female terminal fitting, and can prevent oversight of the half-fitted state of the female terminal fitting.
  • the backlash restricting piece protrudes further forward than the tip of the terminal tip, external equipment or the like enters the cylindrical part during storage or transportation of the second housing.
  • the contact between the tongue-shaped terminal tip of the male terminal fitting and the external equipment is prevented by the backlash regulating piece. That is, the backlash regulating piece protects the terminal tip of the male terminal fitting, and can prevent deformation and breakage of the terminal tip.
  • FIG. 1 is a perspective view of a connector according to an embodiment of the present invention in a state where a first housing and a second housing are fitted and connected.
  • FIG. 2 is a longitudinal sectional view of the connector shown in FIG.
  • FIG. 3 is a perspective view of the upper surface portion side of the female terminal fitting shown in FIG. 4 is a perspective view of the bottom surface side of the female terminal fitting shown in FIG.
  • FIG. 5 is a perspective view of the first housing shown in FIG.
  • FIG. 6 is an essential part enlarged perspective view showing a terminal metal fitting retaining structure in the first housing shown in FIG.
  • FIG. 7 is an enlarged longitudinal sectional view of the terminal metal fitting retaining structure shown in FIG.
  • FIG. 8 is a perspective view of the upper surface side of the male terminal fitting shown in FIG. FIG.
  • FIG. 9 is a perspective view of the bottom surface portion side of the male terminal fitting shown in FIG.
  • FIG. 10 is a perspective view of the second housing shown in FIG.
  • FIG. 11 is a front view of the second housing shown in FIG.
  • FIG. 12 is a partially broken perspective view showing the structure in the cylindrical portion of the second housing shown in FIG.
  • FIG. 13 is a longitudinal sectional view of the second housing shown in FIG.
  • FIG. 14 is an enlarged cross-sectional view of a main part in the fitting state of the housings shown in FIG.
  • FIG. 15 is an enlarged cross-sectional view of a main part showing a half-fitted state of the female terminal fitting in the first housing of the embodiment.
  • FIG. 16 is a longitudinal cross-sectional view of a main part showing a fitting state between the first housing and the second housing in which the female terminal fitting is in a half-fitted state.
  • FIG. 17 is an enlarged view of a main part of FIG.
  • FIG. 18 is a longitudinal sectional view of a main part of a conventional connector.
  • FIGS. 1 to 17 show an embodiment of a connector according to the present invention.
  • the connector 1 of this embodiment is a first housing for holding a female terminal fitting 10 as shown in FIGS. 20, and a second housing 40 fitted and connected to the first housing 20 while holding the male terminal fitting 30 fitted to the female terminal fitting 10.
  • the female terminal fitting 10 is a press-molded product made of a metal plate, and as shown in FIGS. 3 and 4, a rectangular tube-like terminal fitting portion into which a tongue-like terminal tip portion 31 of the male terminal fitting 30 is fitted. 11, a core wire crimping piece 12 for crimping the core wire of the electric wire 51 (see FIG. 2), and a covering crimping piece 13 that is crimped on the covering portion of the electric wire 51 to fix the electric wire 51. .
  • a lance engaging portion 15 and a lance fitting hole 16 are provided on the bottom surface portion 11 a of the terminal fitting portion 11.
  • the lance engaging portion 15 has a structure that protrudes downward (upward in FIG. 4) from the bottom surface portion 11a of the terminal fitting portion 11, and engages with a terminal locking lance 213 in the first housing 20 described later. , Will be retained.
  • the lance insertion hole 16 is an opening into which the outer surface side of the terminal locking lance 213 engaged with the lance engaging portion 15 can be immersed.
  • the first housing 20 includes a female terminal accommodating portion 21 that holds the female terminal fitting 10, and a lock arm 22 provided on the upper surface of the female terminal accommodating portion 21.
  • the female terminal accommodating portion 21 includes a female terminal accommodating hole 211 that accommodates the female terminal fitting 10, a male terminal insertion hole 212, a terminal locking lance 213, and a restriction piece insertion hole 214. (See FIG. 7).
  • the female terminal receiving hole 211 is opened at the rear end of the first housing 20, and the female terminal fitting 10 is inserted from the rear of the first housing 20.
  • the male terminal insertion hole 212 is a hole opened in the distal end surface of the female terminal accommodating portion 21 and communicates with the female terminal accommodating hole 211.
  • the male terminal insertion hole 212 is a hole through which the tongue-shaped terminal tip 31 of the male terminal fitting 30 described later can be inserted.
  • the terminal locking lance 213 is provided on the bottom surface of the female terminal receiving hole 211 facing the bottom surface portion 11 a of the female terminal fitting 10.
  • the terminal locking lance 213 is an elastic piece that extends along the insertion direction of the female terminal fitting 10 into the female terminal accommodating hole 211.
  • the terminal locking lance 213 is elastically displaced toward the outer side of the female terminal receiving hole 211 (arrow Y2 side in FIG. 7) due to interference with the bottom surface portion 11a of the female terminal fitting 10 while the female terminal fitting 10 is being inserted.
  • the restriction piece insertion hole 214 is a hole that communicates with one side (bottom surface side) of the female terminal accommodation hole 211 and that extends in parallel with the female terminal accommodation hole 211.
  • the restricting piece insertion hole 214 is opened at the distal end surface of the female terminal accommodating portion 21, and a play restricting piece 43 of the second housing 40 described later is inserted therethrough.
  • the terminal locking lance 213 is arranged so that the inside of the restricting piece insertion hole 214 is a space that allows elastic displacement of the terminal locking lance 213.
  • the lock arm 22 provided in the first housing 20 has an engagement protrusion 222 protruding from a flexible arm 221 extending from the front end side of the female terminal accommodating portion 21 toward the rear end. Structure.
  • the lock arm 22 locks the connection state between the housings by engaging the engaging protrusions 222 with the locking protrusions (lock beaks) 411 of the second housing 40.
  • the male terminal fitting 30 is a press-molded product made of a metal plate. As shown in FIGS. 8 and 9, as shown in FIGS. 8 and 9, a tongue-shaped terminal distal end portion 31 and a rectangular tube-shaped terminal intermediate portion connected to the proximal end of the terminal distal end portion 31. A portion 32, a core wire crimping piece 33 for crimping the core wire of the electric wire 52 (see FIG. 2), and a covering crimping piece 34 that is crimped on the covering portion of the electric wire 52 to fix the electric wire 52. Yes.
  • the bottom surface portion 32 a of the terminal intermediate portion 32 has the same structure as the bottom surface portion 11 a of the terminal fitting portion 11 of the female terminal fitting 10, and the lance engaging portion 35 and the lance fitting hole. 36.
  • the lance engaging portion 35 has a structure protruding downward (upward in FIG. 9) from the bottom surface portion 32a of the terminal intermediate portion 32, and engages with a terminal locking lance 421a in the second housing 40 described later. , Will be retained.
  • the lance insertion hole 36 is an opening in which the outer surface side of the terminal locking lance 421a engaged with the lance engagement portion 35 can be immersed.
  • the second housing 40 includes a cylindrical part 41 into which the female terminal accommodating part 21 is fitted, a male terminal accommodating part 42 connected to the base end of the cylindrical part 41, and a cylindrical shape.
  • a backlash restricting piece 43 protruding into the portion 41.
  • the cylindrical portion 41 is a rectangular tube shape that accommodates the female terminal accommodating portion 21.
  • a locking projection 411 protrudes from the inner surface on the distal end side of the cylindrical portion 41. As shown in FIG. 2, the locking protrusion 411 engages with the lock arm 22 on the female terminal accommodating portion 21 inserted into the cylindrical portion 41 to lock the connection state between the housings.
  • the male terminal accommodating part 42 has the male terminal accommodating hole 421 in which the male terminal metal fitting 30 is inserted, as shown in FIG.
  • a terminal locking lance 421a is provided on one side surface (upper side surface in FIG. 13) of the male terminal accommodation hole 421.
  • the clamp mounting part 423 is provided in the outer surface of the male terminal accommodating part 42.
  • the clamp mounting portion 423 is used when the second housing 40 is clamped to the vehicle body or the like.
  • the terminal locking lance 421a is provided on the upper surface of the male terminal receiving hole 421 facing the bottom surface portion 32a of the male terminal fitting 30, as shown in FIG.
  • the terminal locking lance 421a is an elastic piece extending along the insertion direction of the male terminal fitting 30 into the male terminal accommodating hole 421.
  • This terminal locking lance 421a is elastically moved to the outer side of the male terminal receiving hole 421 (in the direction of arrow Y3 in FIG. 13) due to interference with the bottom surface portion 32a of the male terminal fitting 30 during the insertion of the male terminal fitting 30.
  • the terminal tip portion 31 protrudes into the tubular portion 41 so that the terminal tip portion 31 fits into the female terminal fitting 10 in the female terminal housing portion 21 fitted into the tubular portion 41.
  • the male terminal fitting 30 is held in the state where it is made.
  • the backlash regulating piece 43 protrudes from the inner bottom surface 41 b of the cylindrical portion 41 that faces the front end surface of the female terminal accommodating portion 21.
  • the play restricting piece 43 protrudes from the inner bottom surface 41b along the fitting direction of the female terminal accommodating portion 21 so as to be inserted into the restricting piece insertion hole 214 of the female terminal accommodating portion 21 fitted to the cylindrical portion 41.
  • the backlash regulating piece 43 protrudes further forward than the tip of the terminal tip 31 as shown in FIG.
  • the play restricting piece 43 enters the restricting piece insertion hole 214 of the first housing 20, and presses and urges one surface (the lower surface in FIG. 14) of the female terminal fitting 10 in the female terminal accommodating portion 21. Suppress backlash.
  • the female terminal fitting 10 accommodated in the first and second housings 20 and 40 respectively.
  • the male terminal fitting 30 and the male terminal fitting 30 are fitted, while the backlash restricting piece 43 provided in the second housing 40 enters the restricting piece insertion hole 214 of the first housing 20.
  • the backlash restricting piece 43 that has entered the restricting piece insertion hole 214 of the first housing 20 presses and urges one surface (the lower surface in FIG. 14) of the female terminal fitting 10 in the first housing 20, thereby Suppresses 10 rattles.
  • the rattling of the female terminal fitting 10 is performed by the backlash regulating piece 43 protruding from the inner bottom surface 41b of the cylindrical portion 41 of the second housing 40, and the second housing Since 40 itself may be a single component, the number of components does not increase.
  • the backlash restricting piece 43 provided in the second housing 40 is not involved in the insertion / extraction of the male terminal fitting 30 to / from the second housing 40 and is used for the insertion / extraction of the female terminal fitting 10 to / from the first housing 20. Also not involved. That is, the backlash restricting piece 43 does not contact any of the male and female terminal fittings 10 and 30 when the male and female terminal fittings 10 and 30 are inserted and removed from the first and second housings 20 and 40, respectively. , 30 does not require a large operating force. Therefore, the problem of deterioration of the insertion / extraction of the male and female terminal fittings 10 and 30 does not occur.
  • the rattling of the male and female terminal fittings 10 and 30 in a vibration environment is suppressed without causing problems such as an increase in the number of components and the deterioration of the insertion / extraction characteristics of the terminal fittings. Connection performance can be maintained.
  • the backlash restricting piece 43 functions as a half-fitting detection mechanism that detects the half-fitted state of the female terminal fitting 10 and can prevent the half-fitted state of the female terminal fitting 10 from being overlooked.
  • the backlash restricting piece 43 protrudes further forward than the tip of the terminal tip 31, so that the second housing 40 can be stored or transported. Even if an external device or the like enters the cylindrical portion 41, contact between the tongue-shaped terminal tip portion 31 of the male terminal fitting 30 and the external device or the like is prevented by the backlash regulating piece 43. That is, the play restricting piece 43 protects the terminal tip portion 31 of the male terminal fitting 30 and can prevent the terminal tip portion 31 from being deformed or damaged.
  • the female terminal accommodating portion (21) communicates with the female terminal accommodating hole (211) for accommodating the female terminal fitting (10), and the female terminal accommodating hole (211).
  • the second housing (40) includes a cylindrical part (41) into which the female terminal accommodating part (21) is fitted, and a female terminal accommodating part (21) fitted into the cylindrical part (41).
  • a male terminal housing (42) for holding the male terminal fitting (30) so that the terminal tip (31) is fitted to the female terminal fitting (10), and a fitting to the tubular part (41).
  • the inner bottom surface (41b) of the tubular portion (41) facing the tip surface of the female terminal housing portion (21) so as to be inserted into the restriction piece insertion hole (214) of the female terminal housing portion (21).
  • the connector (1) according to [1] above, The female terminal accommodating portion (21) is elastically displaced outward of the female terminal accommodating hole (211) due to interference with the female terminal fitting (10) during the insertion of the female terminal fitting (10), When the insertion of the female terminal fitting (10) is completed, the terminal locking lance (213) that returns to the state protruding into the female terminal receiving hole (211) by elastic restoring force and prevents the female terminal fitting (10) from coming off. And the terminal locking lance (213) is arranged so that the inside of the restricting piece insertion hole (214) is a space allowing the elastic displacement of the terminal locking lance (213). .
  • the connector according to the present invention without causing problems such as an increase in the number of components and a deterioration in the insertion / removability of the terminal fitting, the looseness of the terminal fitting in a vibration environment is suppressed and stable electrical connection performance is maintained. be able to.

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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The female terminal-accommodating section (21) of a first housing (20) is provided with a female terminal-accommodating hole (211) connecting to one side, and a limiting-piece insertion hole (214) extending parallel to and opening to the tip surface of the female terminal-accommodating section (21). A rattle-limiting piece (43) is provided penetrating into the limiting-piece insertion hole (214) on the inner bottom surface (41b) of a cylindrical part (41) into which the female terminal-accommodating section (21) engages. When the housings are mutually connected in an engaged manner, the rattle-limiting piece (43) presses on one surface of a female terminal fitting (10) inside the female terminal-accommodating section (21) and suppresses rattling in the female terminal fitting (10).

Description

コネクタconnector
 本発明は、コネクタに関する。 The present invention relates to a connector.
 車載のワイヤハーネスに使用されるコネクタでは、振動環境下における端子金具のガタ付きに起因した電気的接続性能の低下を抑止するために、端子金具のガタ付きを防止することが重要である。
 下記の特許文献1及び特許文献2には、コネクタにおける端子金具のガタ付きを防止する技術が開示されている。
In a connector used for an in-vehicle wire harness, it is important to prevent the terminal fitting from being loosened in order to suppress a decrease in electrical connection performance due to the looseness of the terminal fitting in a vibration environment.
The following Patent Document 1 and Patent Document 2 disclose a technique for preventing the backlash of the terminal fitting in the connector.
 下記特許文献1に開示されたガタ付き防止技術では、図18に示すように、雌端子金具110を収容するハウジング100が、雌端子金具110を収容保持した樹脂製の端子収容部材120と、該端子収容部材120を挿抜可能な樹脂製のケース130と、で構成されている。 In the rattling prevention technique disclosed in Patent Document 1 below, as shown in FIG. 18, the housing 100 that houses the female terminal fitting 110 includes a resin terminal housing member 120 that houses and holds the female terminal fitting 110, and the And a resin case 130 into which the terminal accommodating member 120 can be inserted and removed.
 また、端子収容部材120は、雌端子金具110が挿入される端子収容孔121が画成されている上壁122に、端子係止ランス123が設けられている。 Further, the terminal receiving member 120 is provided with a terminal locking lance 123 on the upper wall 122 in which the terminal receiving hole 121 into which the female terminal fitting 110 is inserted is defined.
 端子係止ランス123は、端子収容孔121に対する雌端子金具110の挿抜方向(図18中では、矢印X1方向)と直交する方向(図18中では、矢印Y1方向)に撓み変形可能な弾性片123aと、この弾性片123aから端子収容孔121の内方に突出した端子係止突起123bと、端子係止突起123bから端子収容孔121の外方に突出したガタ止め用突起123cと、を備えている。 The terminal locking lance 123 is an elastic piece that can be bent and deformed in a direction (arrow Y1 direction in FIG. 18) orthogonal to the insertion / extraction direction of the female terminal fitting 110 with respect to the terminal receiving hole 121 (arrow X1 direction in FIG. 18). 123a, a terminal locking protrusion 123b protruding inward of the terminal receiving hole 121 from the elastic piece 123a, and a ratchet protrusion 123c protruding outward of the terminal receiving hole 121 from the terminal locking protrusion 123b. ing.
 特許文献1における端子係止ランス123は、端子係止突起123bが雌端子金具110の段差部111に係合されることで、雌端子金具110が抜け止めされる。また、端子係止ランス123は、端子収容部材120がケース130に挿入された際に、ガタ止め用突起123cがケース130の上部壁131により押圧付勢されて、雌端子金具110側に弾性変形した状態になる。そして、この時にガタ止め用突起123cから上部壁131に作用する弾性反力により、端子収容部材120がガタ止めされる。 In the terminal locking lance 123 in Patent Document 1, the terminal locking projection 123b is engaged with the step portion 111 of the female terminal fitting 110, so that the female terminal fitting 110 is prevented from coming off. Further, when the terminal accommodating member 120 is inserted into the case 130, the terminal locking lance 123 is elastically deformed toward the female terminal fitting 110 side by the backlash projection 123c being pressed and urged by the upper wall 131 of the case 130. It will be in the state. At this time, the terminal accommodating member 120 is rattled by the elastic reaction force acting on the upper wall 131 from the ratchet projection 123c.
 下記特許文献2に開示されたガタ付き防止技術は、ハウジング内に、雌端子金具の外面に対向する可撓性バンド部と、該可撓性バンド部に突設されて前記雌端子金具の外面に前記雌端子金具の挿抜方向と直交する方向の押圧力を付与する位置規制用突起と、を設けたものである。即ち、特許文献2では、ハウジング内の雌端子金具に、直接、挿抜方向と直交する方向の押圧力が付与されることで、雌端子金具のガタ付きが防止される。 The backlash prevention technology disclosed in Patent Document 2 below includes a flexible band portion facing the outer surface of the female terminal fitting in the housing, and an outer surface of the female terminal fitting protruding from the flexible band portion. And a position regulating protrusion for applying a pressing force in a direction orthogonal to the insertion / extraction direction of the female terminal fitting. That is, in Patent Document 2, the female terminal fitting in the housing is directly applied with a pressing force in a direction orthogonal to the insertion / extraction direction, thereby preventing the female terminal fitting from being loose.
日本国特開2010-140806号公報Japanese Unexamined Patent Publication No. 2010-140806 日本国特開2012-84404号公報Japanese Unexamined Patent Publication No. 2012-84404
 しかし、上記特許文献1に開示の技術では、雌端子金具を収容するハウジングが端子収容部材120とケース130との組立構造であり、ハウジング構成部品が増加するという問題があった。 However, the technique disclosed in Patent Document 1 has a problem that the housing for accommodating the female terminal fitting is an assembly structure of the terminal accommodating member 120 and the case 130, and the number of housing components increases.
 また、上記特許文献2に開示の技術では、ハウジングに雌端子金具が挿抜される際に、雌端子金具に挿入方向と直交する方向の押圧力が作用するため、雌端子金具の挿抜に大きな操作力が必要となり、端子金具の挿抜性がよくないという問題があった。 Further, in the technique disclosed in Patent Document 2, when a female terminal fitting is inserted into and removed from the housing, a pressing force in a direction perpendicular to the insertion direction acts on the female terminal fitting. There was a problem that force was required and the terminal metal fitting / removability was not good.
 そこで、本発明の目的は、上記課題を解消することに係り、構成部品の増加や端子金具の挿抜性の悪化といった問題を招くことなく、振動環境下における端子金具のガタ付きを抑制して、安定した電気的接続性能を維持することのできるコネクタを提供することにある。 Therefore, the purpose of the present invention is to solve the above-mentioned problems, and without causing problems such as an increase in the number of components and deterioration of the insertion / extraction of the terminal fitting, suppressing the play of the terminal fitting in a vibration environment, It is an object of the present invention to provide a connector capable of maintaining stable electrical connection performance.
 本発明の前述した目的は、下記の構成により達成される。
 (1) 雌端子金具を保持する雌端子収容部を備えた第1ハウジングと、前記雌端子金具に嵌合する舌片状の端子先端部を有する雄端子金具を保持して前記第1ハウジングと嵌合接続される第2ハウジングと、を備えるコネクタであって、
 前記雌端子収容部は、前記雌端子金具を収容する雌端子収容孔と、前記雌端子収容孔と連通して前記雌端子収容部の先端面に開口され、前記舌片状の端子先端部が挿通可能な雄端子挿入孔と、前記雌端子収容孔の一側に連通すると共に前記雌端子収容孔と平行に延在して前記雌端子収容部の先端面に開口する規制片挿入孔と、を備え、
 前記第2ハウジングは、前記雌端子収容部が嵌合する筒状部と、該筒状部に嵌合した前記雌端子収容部内の前記雌端子金具に前記端子先端部が嵌合するように前記雄端子金具を保持する雄端子収容部と、前記筒状部に嵌合した前記雌端子収容部の前記規制片挿入孔に挿通するように前記雌端子収容部の先端面と対向する前記筒状部の内底面に突設されたガタ規制片と、を備え、
 前記第1ハウジングと前記第2ハウジングとが嵌合接続された状態では、前記ガタ規制片が前記雌端子収容部内の前記雌端子金具の一面を押圧付勢して、前記雌端子金具のガタ付きを抑止するコネクタ。
The above-described object of the present invention is achieved by the following configuration.
(1) A first housing having a female terminal accommodating portion for holding a female terminal fitting, and a male terminal fitting having a tongue-shaped terminal tip fitted to the female terminal fitting, A second housing to be fitted and connected,
The female terminal accommodating portion is connected to the female terminal accommodating hole for accommodating the female terminal fitting, the female terminal accommodating hole is opened at the distal end surface of the female terminal accommodating portion, and the tongue-shaped terminal distal end portion is A male terminal insertion hole that can be inserted, a restriction piece insertion hole that communicates with one side of the female terminal accommodation hole and extends in parallel with the female terminal accommodation hole and opens at a distal end surface of the female terminal accommodation portion, With
The second housing includes a cylindrical portion in which the female terminal accommodating portion is fitted, and the terminal tip portion is fitted in the female terminal fitting in the female terminal accommodating portion fitted in the cylindrical portion. The male terminal accommodating portion that holds the male terminal fitting, and the cylindrical shape that faces the distal end surface of the female terminal accommodating portion so as to be inserted into the restriction piece insertion hole of the female terminal accommodating portion fitted into the cylindrical portion. A backlash regulating piece projecting on the inner bottom surface of the part,
In a state in which the first housing and the second housing are fitted and connected, the backlash restricting piece presses and urges one surface of the female terminal fitting in the female terminal housing portion, and the female terminal fitting has a backlash. Connector that suppresses
 (2) 上記(1)に記載のコネクタであって、
 前記雌端子収容部は、前記雌端子金具の挿入途中では前記雌端子金具との干渉によって前記雌端子収容孔の外方側に弾性変位し、前記雌端子金具の挿入が完了した時には弾性復元力で前記雌端子収容孔内に突出した状態に戻って前記雌端子金具を抜け止めする端子係止ランスを備えると共に、前記規制片挿入孔内が前記端子係止ランスの弾性変位を許容する空間となるように前記端子係止ランスが配置されているコネクタ。
(2) The connector according to (1) above,
The female terminal receiving portion elastically displaces outward of the female terminal receiving hole due to interference with the female terminal fitting during the insertion of the female terminal fitting, and an elastic restoring force is obtained when the insertion of the female terminal fitting is completed. And a terminal locking lance that returns to the state protruding into the female terminal receiving hole and prevents the female terminal fitting from coming off, and the inside of the restricting piece insertion hole allows space for elastic displacement of the terminal locking lance. A connector in which the terminal locking lance is arranged to be.
 (3) 上記(1)又は(2)に記載のコネクタであって、
 前記ガタ規制片が、前記端子先端部の先端よりも先方に突出されているコネクタ。
(3) The connector according to (1) or (2) above,
The connector in which the play restricting piece protrudes further forward than the tip of the terminal tip.
 上記(1)の構成によれば、第1ハウジングと第2ハウジングとが嵌合接続されると、それぞれのハウジングに収容されている雌端子金具と雄端子金具とが嵌合する一方、第2ハウジングに設けられているガタ規制片が第1ハウジングの規制片挿入孔に進入する。そして、第1ハウジングの規制片挿入孔に進入したガタ規制片は、第1ハウジング内の雌端子金具の一面を押圧付勢して、雌端子金具のガタ付きを抑止する。 According to the configuration of the above (1), when the first housing and the second housing are fitted and connected, the female terminal fitting and the male terminal fitting housed in each housing are fitted, while the second housing The backlash restricting piece provided in the housing enters the restricting piece insertion hole of the first housing. Then, the backlash restricting piece that has entered the restricting piece insertion hole of the first housing presses and urges one surface of the female terminal fitting in the first housing to suppress the play of the female terminal fitting.
 即ち、上記(1)の構成によれば、雌端子金具のガタ付きの抑止は、第2ハウジングの筒状部の内底面に突設されたガタ規制片によって行われ、第2ハウジング自体は単一部品で済むため、構成部品の増加を招くことがない。 That is, according to the configuration of (1) above, the rattling of the female terminal fitting is performed by the backlash restricting piece projecting on the inner bottom surface of the cylindrical portion of the second housing, and the second housing itself is a single unit. Since only one part is required, the number of components does not increase.
 また、第2ハウジングに設けられるガタ規制片は、当該第2ハウジングへの雄端子金具の挿抜には何ら関与せず、また、第1ハウジングへの雌端子金具の挿抜にも関与しない。即ち、ガタ規制片は、それぞれのハウジングにおける端子金具の挿抜時には、いずれの端子金具にも接触しないため、端子金具の挿抜に大きな操作力が必要となることもない。従って、端子金具の挿抜性の悪化といった問題を招くこともない。 Further, the backlash restricting piece provided in the second housing does not participate in the insertion / extraction of the male terminal fitting to / from the second housing, and does not participate in the insertion / extraction of the female terminal fitting in the first housing. In other words, the backlash restricting piece does not contact any of the terminal fittings when inserting or removing the terminal fittings in the respective housings, so that a large operating force is not required for inserting or removing the terminal fittings. Therefore, the problem of deterioration of the insertion / extraction of the terminal fitting is not caused.
 従って、上記(1)の構成によれば、構成部品の増加や端子金具の挿抜性の悪化といった問題を招くことなく、振動環境下における端子金具のガタ付きを抑制して、安定した電気的接続性能を維持することができる。 Therefore, according to the configuration of (1) above, stable electrical connection can be achieved by suppressing the backlash of the terminal fitting in a vibration environment without causing problems such as an increase in the number of components and deterioration of the insertion / extraction of the terminal fitting. The performance can be maintained.
 上記(2)の構成によれば、第1ハウジングの雌端子収容孔に挿入された雌端子金具が嵌合途中で停止した半嵌合状態の場合、端子係止ランスが規制片挿入孔内に撓んで突出している。そのため、半嵌合状態の第1ハウジングと第2ハウジングとを嵌合接続しようとすると、規制片挿入孔内に進入する第2ハウジングのガタ規制片が、規制片挿入孔内に撓んで突出している端子係止ランスと衝突し、ハウジング相互の嵌合を完了させることができない。
 即ち、ガタ規制片が雌端子金具の半嵌合状態を検知する半嵌合検知機構として機能し、雌端子金具の半嵌合状態の見落としを防止することができる。
According to the configuration of (2) above, when the female terminal fitting inserted into the female terminal receiving hole of the first housing is in a half-fitted state where it is stopped in the middle of fitting, the terminal locking lance is in the restriction piece insertion hole. It bends and protrudes. For this reason, when trying to fit and connect the first housing and the second housing in the semi-fitted state, the backlash regulating piece of the second housing entering the regulating piece insertion hole is bent and protrudes into the regulating piece insertion hole. It collides with the terminal locking lance which is present, and the mutual fitting of the housing cannot be completed.
That is, the backlash regulating piece functions as a half-fitting detection mechanism that detects the half-fitted state of the female terminal fitting, and can prevent oversight of the half-fitted state of the female terminal fitting.
 上記(3)の構成によれば、ガタ規制片が端子先端部の先端よりも先方に突出しているため、第2ハウジングの保管時や運搬時において、外部機材等が筒状部内に進入しても、雄端子金具の舌片状の端子先端部と外部機材等との接触が、ガタ規制片により防がれる。即ち、ガタ規制片が雄端子金具の端子先端部を保護し、前記端子先端部の変形や破損を防止することができる。 According to the configuration of (3) above, since the backlash restricting piece protrudes further forward than the tip of the terminal tip, external equipment or the like enters the cylindrical part during storage or transportation of the second housing. However, the contact between the tongue-shaped terminal tip of the male terminal fitting and the external equipment is prevented by the backlash regulating piece. That is, the backlash regulating piece protects the terminal tip of the male terminal fitting, and can prevent deformation and breakage of the terminal tip.
 以上、本発明について簡潔に説明した。更に、以下に説明される発明を実施するための形態(以下、「実施形態」という。)を添付の図面を参照して通読することにより、本発明の詳細は更に明確化されるであろう。 The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .
図1は本発明に係るコネクタの一実施形態の第1ハウジングと第2ハウジングとが嵌合接続された状態の斜視図である。FIG. 1 is a perspective view of a connector according to an embodiment of the present invention in a state where a first housing and a second housing are fitted and connected. 図2は図1に示したコネクタの縦断面図である。FIG. 2 is a longitudinal sectional view of the connector shown in FIG. 図3は図1に示した雌端子金具の上面部側の斜視図である。FIG. 3 is a perspective view of the upper surface portion side of the female terminal fitting shown in FIG. 図4は図1に示した雌端子金具の底面部側の斜視図である。4 is a perspective view of the bottom surface side of the female terminal fitting shown in FIG. 図5は図1に示した第1ハウジングの斜視図である。FIG. 5 is a perspective view of the first housing shown in FIG. 図6は図1に示した第1ハウジングにおける端子金具の抜け止め構造を示す要部拡大斜視図である。FIG. 6 is an essential part enlarged perspective view showing a terminal metal fitting retaining structure in the first housing shown in FIG. 図7は図6に示した端子金具の抜け止め構造の拡大縦断面図である。FIG. 7 is an enlarged longitudinal sectional view of the terminal metal fitting retaining structure shown in FIG. 図8は図1に示した雄端子金具の上面部側の斜視図である。FIG. 8 is a perspective view of the upper surface side of the male terminal fitting shown in FIG. 図9は図1に示した雄端子金具の底面部側の斜視図である。FIG. 9 is a perspective view of the bottom surface portion side of the male terminal fitting shown in FIG. 図10は図1に示した第2ハウジングの斜視図である。FIG. 10 is a perspective view of the second housing shown in FIG. 図11は図10に示した第2ハウジングの正面図である。FIG. 11 is a front view of the second housing shown in FIG. 図12は図10に示した第2ハウジングの筒状部内の構造を示す部分破断斜視図である。FIG. 12 is a partially broken perspective view showing the structure in the cylindrical portion of the second housing shown in FIG. 図13は図1に示した第2ハウジングの縦断面図である。FIG. 13 is a longitudinal sectional view of the second housing shown in FIG. 図14は図2に示したハウジング相互の嵌合状態における要部の拡大断面図である。FIG. 14 is an enlarged cross-sectional view of a main part in the fitting state of the housings shown in FIG. 図15は一実施形態の第1ハウジングにおける雌端子金具の半嵌合状態を示す要部の拡大断面図である。FIG. 15 is an enlarged cross-sectional view of a main part showing a half-fitted state of the female terminal fitting in the first housing of the embodiment. 図16は雌端子金具が半嵌合状態にある第1ハウジングと第2ハウジングとの嵌合状態を示す要部の縦断面図である。FIG. 16 is a longitudinal cross-sectional view of a main part showing a fitting state between the first housing and the second housing in which the female terminal fitting is in a half-fitted state. 図17は図16の要部の拡大図である。FIG. 17 is an enlarged view of a main part of FIG. 図18は従来のコネクタの要部の縦断面図である。FIG. 18 is a longitudinal sectional view of a main part of a conventional connector.
 以下、本発明に係るコネクタの好適な実施形態について、図面を参照して詳細に説明する。 Hereinafter, a preferred embodiment of a connector according to the present invention will be described in detail with reference to the drawings.
 図1~図17は本発明に係るコネクタの一実施形態を示したもので、この一実施形態のコネクタ1は、図1及び図2に示すように、雌端子金具10を保持する第1ハウジング20と、雌端子金具10に嵌合する雄端子金具30を保持して第1ハウジング20と嵌合接続される第2ハウジング40と、を備える。 FIGS. 1 to 17 show an embodiment of a connector according to the present invention. The connector 1 of this embodiment is a first housing for holding a female terminal fitting 10 as shown in FIGS. 20, and a second housing 40 fitted and connected to the first housing 20 while holding the male terminal fitting 30 fitted to the female terminal fitting 10.
 雌端子金具10は、金属板製のプレス成形品で、図3及び図4に示すように、雄端子金具30の舌片状の端子先端部31が嵌合する角筒状の端子嵌合部11と、電線51(図2参照)の芯線を圧着する芯線加締め片12と、電線51の被覆部の上に加締め付けられて電線51を固定する被覆加締め片13と、を備えている。 The female terminal fitting 10 is a press-molded product made of a metal plate, and as shown in FIGS. 3 and 4, a rectangular tube-like terminal fitting portion into which a tongue-like terminal tip portion 31 of the male terminal fitting 30 is fitted. 11, a core wire crimping piece 12 for crimping the core wire of the electric wire 51 (see FIG. 2), and a covering crimping piece 13 that is crimped on the covering portion of the electric wire 51 to fix the electric wire 51. .
 また、図4に示すように、端子嵌合部11の底面部11aには、ランス係合部15と、ランス嵌入孔16と、が設けられている。 Further, as shown in FIG. 4, a lance engaging portion 15 and a lance fitting hole 16 are provided on the bottom surface portion 11 a of the terminal fitting portion 11.
 ランス係合部15は、端子嵌合部11の底面部11aから下方(図4中では上方)に隆起した構造で、後述する第1ハウジング20内の端子係止ランス213と係合することで、抜け止めされる。 The lance engaging portion 15 has a structure that protrudes downward (upward in FIG. 4) from the bottom surface portion 11a of the terminal fitting portion 11, and engages with a terminal locking lance 213 in the first housing 20 described later. , Will be retained.
 ランス嵌入孔16は、ランス係合部15に係合する端子係止ランス213の外面側が没入可能な開口である。 The lance insertion hole 16 is an opening into which the outer surface side of the terminal locking lance 213 engaged with the lance engaging portion 15 can be immersed.
 第1ハウジング20は、図5に示すように、雌端子金具10を保持する雌端子収容部21と、該雌端子収容部21の上面に設けられたロックアーム22と、を備える。 As shown in FIG. 5, the first housing 20 includes a female terminal accommodating portion 21 that holds the female terminal fitting 10, and a lock arm 22 provided on the upper surface of the female terminal accommodating portion 21.
 雌端子収容部21は、図1及び図2に示すように、雌端子金具10を収容する雌端子収容孔211と、雄端子挿入孔212と、端子係止ランス213と、規制片挿入孔214(図7参照)と、を備えている。 As shown in FIGS. 1 and 2, the female terminal accommodating portion 21 includes a female terminal accommodating hole 211 that accommodates the female terminal fitting 10, a male terminal insertion hole 212, a terminal locking lance 213, and a restriction piece insertion hole 214. (See FIG. 7).
 雌端子収容孔211は、図1に示すように、第1ハウジング20の後端部に開放されていて、第1ハウジング20の後方から雌端子金具10が挿入される。 As shown in FIG. 1, the female terminal receiving hole 211 is opened at the rear end of the first housing 20, and the female terminal fitting 10 is inserted from the rear of the first housing 20.
 雄端子挿入孔212は、図6及び図7に示すように、雌端子収容部21の先端面に開口された孔であり、雌端子収容孔211と連通している。この雄端子挿入孔212は、後述する雄端子金具30における舌片状の端子先端部31が挿通可能な孔である。 As shown in FIGS. 6 and 7, the male terminal insertion hole 212 is a hole opened in the distal end surface of the female terminal accommodating portion 21 and communicates with the female terminal accommodating hole 211. The male terminal insertion hole 212 is a hole through which the tongue-shaped terminal tip 31 of the male terminal fitting 30 described later can be inserted.
 端子係止ランス213は、図6及び図7に示すように、雌端子金具10の底面部11aと対向する雌端子収容孔211の底面に設けられている。この端子係止ランス213は、雌端子収容孔211への雌端子金具10の挿入方向に沿って延在する弾性片である。この端子係止ランス213は、雌端子金具10の挿入途中では、雌端子金具10の底面部11aとの干渉によって雌端子収容孔211の外方側(図7では、矢印Y2側)に弾性変位し、雌端子金具10の挿入が完了した時には弾性復元力で雌端子収容孔211内に突出した状態に戻って、図2に示すように、雌端子金具10のランス係合部15と係合した状態になり、雌端子金具10を抜け止めする。 As shown in FIGS. 6 and 7, the terminal locking lance 213 is provided on the bottom surface of the female terminal receiving hole 211 facing the bottom surface portion 11 a of the female terminal fitting 10. The terminal locking lance 213 is an elastic piece that extends along the insertion direction of the female terminal fitting 10 into the female terminal accommodating hole 211. The terminal locking lance 213 is elastically displaced toward the outer side of the female terminal receiving hole 211 (arrow Y2 side in FIG. 7) due to interference with the bottom surface portion 11a of the female terminal fitting 10 while the female terminal fitting 10 is being inserted. Then, when the insertion of the female terminal fitting 10 is completed, it returns to the state of protruding into the female terminal receiving hole 211 by the elastic restoring force, and is engaged with the lance engaging portion 15 of the female terminal fitting 10 as shown in FIG. The female terminal fitting 10 is prevented from coming off.
 規制片挿入孔214は、図7に示すように、雌端子収容孔211の一側(底面側)に連通すると共に、雌端子収容孔211と平行に延在している孔である。この規制片挿入孔214は、雌端子収容部21の先端面に開口されており、後述する第2ハウジング40のガタ規制片43が挿通される。 As shown in FIG. 7, the restriction piece insertion hole 214 is a hole that communicates with one side (bottom surface side) of the female terminal accommodation hole 211 and that extends in parallel with the female terminal accommodation hole 211. The restricting piece insertion hole 214 is opened at the distal end surface of the female terminal accommodating portion 21, and a play restricting piece 43 of the second housing 40 described later is inserted therethrough.
 本実施形態の場合、図7に示すように、規制片挿入孔214内が端子係止ランス213の弾性変位を許容する空間となるように、端子係止ランス213が配置されている。 In the case of the present embodiment, as shown in FIG. 7, the terminal locking lance 213 is arranged so that the inside of the restricting piece insertion hole 214 is a space that allows elastic displacement of the terminal locking lance 213.
 第1ハウジング20に設けられたロックアーム22は、図5に示すように、雌端子収容部21の先端側から後端に向かって延出した可撓アーム221に係合突起222が突設された構造である。このロックアーム22は、ハウジング相互が嵌合された時に、係合突起222が第2ハウジング40の係止突起(ロックビーク)411と係合することで、ハウジング相互の接続状態をロックする。 As shown in FIG. 5, the lock arm 22 provided in the first housing 20 has an engagement protrusion 222 protruding from a flexible arm 221 extending from the front end side of the female terminal accommodating portion 21 toward the rear end. Structure. When the housings are fitted to each other, the lock arm 22 locks the connection state between the housings by engaging the engaging protrusions 222 with the locking protrusions (lock beaks) 411 of the second housing 40.
 雄端子金具30は、金属板製のプレス成形品で、図8及び図9に示すように、舌片状の端子先端部31と、端子先端部31の基端に連なる角筒状の端子中間部32と、電線52(図2参照)の芯線を圧着する芯線加締め片33と、電線52の被覆部の上に加締め付けられて電線52を固定する被覆加締め片34と、を備えている。 The male terminal fitting 30 is a press-molded product made of a metal plate. As shown in FIGS. 8 and 9, as shown in FIGS. 8 and 9, a tongue-shaped terminal distal end portion 31 and a rectangular tube-shaped terminal intermediate portion connected to the proximal end of the terminal distal end portion 31. A portion 32, a core wire crimping piece 33 for crimping the core wire of the electric wire 52 (see FIG. 2), and a covering crimping piece 34 that is crimped on the covering portion of the electric wire 52 to fix the electric wire 52. Yes.
 また、図9に示すように、端子中間部32の底面部32aは、雌端子金具10の端子嵌合部11の底面部11aと同様の構造であり、ランス係合部35と、ランス嵌入孔36と、が設けられている。 Further, as shown in FIG. 9, the bottom surface portion 32 a of the terminal intermediate portion 32 has the same structure as the bottom surface portion 11 a of the terminal fitting portion 11 of the female terminal fitting 10, and the lance engaging portion 35 and the lance fitting hole. 36.
 ランス係合部35は、端子中間部32の底面部32aから下方(図9中では上方)に隆起した構造であり、後述する第2ハウジング40内の端子係止ランス421aと係合することで、抜け止めされる。 The lance engaging portion 35 has a structure protruding downward (upward in FIG. 9) from the bottom surface portion 32a of the terminal intermediate portion 32, and engages with a terminal locking lance 421a in the second housing 40 described later. , Will be retained.
 ランス嵌入孔36は、ランス係合部35に係合する端子係止ランス421aの外面側が没入可能な開口である。 The lance insertion hole 36 is an opening in which the outer surface side of the terminal locking lance 421a engaged with the lance engagement portion 35 can be immersed.
 第2ハウジング40は、図10~図13に示すように、雌端子収容部21が嵌合する筒状部41と、該筒状部41の基端に連なる雄端子収容部42と、筒状部41内に突出したガタ規制片43と、を備えている。 As shown in FIGS. 10 to 13, the second housing 40 includes a cylindrical part 41 into which the female terminal accommodating part 21 is fitted, a male terminal accommodating part 42 connected to the base end of the cylindrical part 41, and a cylindrical shape. A backlash restricting piece 43 protruding into the portion 41.
 筒状部41は、雌端子収容部21を収容する角筒状である。この筒状部41の先端側の内面には、係止突起411が突設されている。この係止突起411は、図2に示すように、筒状部41に挿入された雌端子収容部21上のロックアーム22と係合することで、ハウジング相互の接続状態をロックする。 The cylindrical portion 41 is a rectangular tube shape that accommodates the female terminal accommodating portion 21. A locking projection 411 protrudes from the inner surface on the distal end side of the cylindrical portion 41. As shown in FIG. 2, the locking protrusion 411 engages with the lock arm 22 on the female terminal accommodating portion 21 inserted into the cylindrical portion 41 to lock the connection state between the housings.
 雄端子収容部42は、図13に示すように、雄端子金具30が挿入される雄端子収容孔421を有している。雄端子収容孔421の一側面(図13では、上部側面)には、端子係止ランス421aが設けられている。また、雄端子収容部42の外面には、図11及び図12に示すように、クランプ装着部423が設けられている。このクランプ装着部423は、第2ハウジング40が車体等にクランプされる場合に使用される。 The male terminal accommodating part 42 has the male terminal accommodating hole 421 in which the male terminal metal fitting 30 is inserted, as shown in FIG. A terminal locking lance 421a is provided on one side surface (upper side surface in FIG. 13) of the male terminal accommodation hole 421. Moreover, as shown in FIG.11 and FIG.12, the clamp mounting part 423 is provided in the outer surface of the male terminal accommodating part 42. FIG. The clamp mounting portion 423 is used when the second housing 40 is clamped to the vehicle body or the like.
 この端子係止ランス421aは、図13に示すように、雄端子金具30の底面部32aと対向する雄端子収容孔421の上面に設けられている。この端子係止ランス421aは、雄端子収容孔421への雄端子金具30の挿入方向に沿って延在する弾性片である。この端子係止ランス421aは、雄端子金具30の挿入途中では、雄端子金具30の底面部32aとの干渉によって雄端子収容孔421の外方側(図13中では、矢印Y3側)に弾性変位し、雄端子金具30の挿入が完了した時には弾性復元力で雄端子収容孔421内に突出した状態に戻って、図13に示すように、雄端子金具30のランス係合部35と係合した状態になり、雄端子金具30を抜け止めする。 The terminal locking lance 421a is provided on the upper surface of the male terminal receiving hole 421 facing the bottom surface portion 32a of the male terminal fitting 30, as shown in FIG. The terminal locking lance 421a is an elastic piece extending along the insertion direction of the male terminal fitting 30 into the male terminal accommodating hole 421. This terminal locking lance 421a is elastically moved to the outer side of the male terminal receiving hole 421 (in the direction of arrow Y3 in FIG. 13) due to interference with the bottom surface portion 32a of the male terminal fitting 30 during the insertion of the male terminal fitting 30. When it is displaced and the insertion of the male terminal fitting 30 is completed, it returns to a state where it protrudes into the male terminal receiving hole 421 by an elastic restoring force, and is engaged with the lance engaging portion 35 of the male terminal fitting 30 as shown in FIG. Then, the male terminal fitting 30 is prevented from coming off.
 雄端子収容部42は、筒状部41に嵌合した雌端子収容部21内の雌端子金具10に端子先端部31が嵌合するように、端子先端部31が筒状部41内に突出された状態に雄端子金具30を保持する。 In the male terminal housing portion 42, the terminal tip portion 31 protrudes into the tubular portion 41 so that the terminal tip portion 31 fits into the female terminal fitting 10 in the female terminal housing portion 21 fitted into the tubular portion 41. The male terminal fitting 30 is held in the state where it is made.
 ガタ規制片43は、図13に示すように、雌端子収容部21の先端面と対向する筒状部41の内底面41bに突設されている。ガタ規制片43は、筒状部41に嵌合した雌端子収容部21の規制片挿入孔214に挿通するように、内底面41bから雌端子収容部21の嵌合方向に沿って突出している。
 本実施形態の場合、このガタ規制片43は、図13に示すように、端子先端部31の先端よりも先方に突出している。
As shown in FIG. 13, the backlash regulating piece 43 protrudes from the inner bottom surface 41 b of the cylindrical portion 41 that faces the front end surface of the female terminal accommodating portion 21. The play restricting piece 43 protrudes from the inner bottom surface 41b along the fitting direction of the female terminal accommodating portion 21 so as to be inserted into the restricting piece insertion hole 214 of the female terminal accommodating portion 21 fitted to the cylindrical portion 41. .
In the case of the present embodiment, the backlash regulating piece 43 protrudes further forward than the tip of the terminal tip 31 as shown in FIG.
 本実施形態のコネクタ1では、図1及び図2に示したように第1ハウジング20と第2ハウジング40とが嵌合接続された状態では、図14にも示すように、第2ハウジング40のガタ規制片43が第1ハウジング20の規制片挿入孔214に進入し、雌端子収容部21内の雌端子金具10の一面(図14では、下面)を押圧付勢して、雌端子金具10のガタ付きを抑止する。 In the connector 1 of the present embodiment, in the state where the first housing 20 and the second housing 40 are fitted and connected as shown in FIGS. 1 and 2, as shown in FIG. The play restricting piece 43 enters the restricting piece insertion hole 214 of the first housing 20, and presses and urges one surface (the lower surface in FIG. 14) of the female terminal fitting 10 in the female terminal accommodating portion 21. Suppress backlash.
 以上に説明した本実施形態のコネクタ1の場合、第1ハウジング20と第2ハウジング40とが嵌合接続されると、第1及び第2ハウジング20,40にそれぞれ収容されている雌端子金具10と雄端子金具30とが図14に示すように、嵌合される一方、第2ハウジング40に設けられているガタ規制片43が第1ハウジング20の規制片挿入孔214に進入する。そして、第1ハウジング20の規制片挿入孔214に進入したガタ規制片43は、第1ハウジング20内の雌端子金具10の一面(図14では、下面)を押圧付勢して、雌端子金具10のガタ付きを抑止する。 In the case of the connector 1 of the present embodiment described above, when the first housing 20 and the second housing 40 are fitted and connected, the female terminal fitting 10 accommodated in the first and second housings 20 and 40, respectively. As shown in FIG. 14, the male terminal fitting 30 and the male terminal fitting 30 are fitted, while the backlash restricting piece 43 provided in the second housing 40 enters the restricting piece insertion hole 214 of the first housing 20. The backlash restricting piece 43 that has entered the restricting piece insertion hole 214 of the first housing 20 presses and urges one surface (the lower surface in FIG. 14) of the female terminal fitting 10 in the first housing 20, thereby Suppresses 10 rattles.
 即ち、本実施形態のコネクタ1では、雌端子金具10のガタ付きの抑止は、第2ハウジング40の筒状部41の内底面41bに突設されたガタ規制片43によって行われ、第2ハウジング40自体は単一部品で済むため、構成部品の増加を招くことがない。 That is, in the connector 1 of the present embodiment, the rattling of the female terminal fitting 10 is performed by the backlash regulating piece 43 protruding from the inner bottom surface 41b of the cylindrical portion 41 of the second housing 40, and the second housing Since 40 itself may be a single component, the number of components does not increase.
 また、第2ハウジング40に設けられるガタ規制片43は、当該第2ハウジング40への雄端子金具30の挿抜には何ら関与せず、また、第1ハウジング20への雌端子金具10の挿抜にも関与しない。即ち、ガタ規制片43は、それぞれの第1及び第2ハウジング20,40における各雌雄端子金具10,30の挿抜時には、いずれの雌雄端子金具10,30にも接触しないため、各雌雄端子金具10,30の挿抜に大きな操作力が必要となることもない。従って、各雌雄端子金具10,30の挿抜性の悪化といった問題を招くこともない。 Further, the backlash restricting piece 43 provided in the second housing 40 is not involved in the insertion / extraction of the male terminal fitting 30 to / from the second housing 40 and is used for the insertion / extraction of the female terminal fitting 10 to / from the first housing 20. Also not involved. That is, the backlash restricting piece 43 does not contact any of the male and female terminal fittings 10 and 30 when the male and female terminal fittings 10 and 30 are inserted and removed from the first and second housings 20 and 40, respectively. , 30 does not require a large operating force. Therefore, the problem of deterioration of the insertion / extraction of the male and female terminal fittings 10 and 30 does not occur.
 従って、本実施形態のコネクタ1では、構成部品の増加や端子金具の挿抜性の悪化といった問題を招くことなく、振動環境下における雌雄端子金具10,30のガタ付きを抑制して、安定した電気的接続性能を維持することができる。 Therefore, in the connector 1 according to the present embodiment, the rattling of the male and female terminal fittings 10 and 30 in a vibration environment is suppressed without causing problems such as an increase in the number of components and the deterioration of the insertion / extraction characteristics of the terminal fittings. Connection performance can be maintained.
 また、本実施形態のコネクタ1の場合、図15に示すように、第1ハウジング20の雌端子収容孔211に挿入された雌端子金具10が嵌合途中で停止した半嵌合状態の場合、端子係止ランス213が規制片挿入孔214内に撓んで突出している。そのため、半嵌合状態の第1ハウジング20と第2ハウジング40とを嵌合接続しようとすると、規制片挿入孔214内に進入する第2ハウジング40のガタ規制片43が、規制片挿入孔214内に撓んで突出している端子係止ランス213と衝突し、ハウジング相互の嵌合を完了させることができない。 Further, in the case of the connector 1 of the present embodiment, as shown in FIG. 15, when the female terminal fitting 10 inserted into the female terminal receiving hole 211 of the first housing 20 is in a half-fitted state where it is stopped during fitting, The terminal locking lance 213 is bent and protrudes into the restriction piece insertion hole 214. Therefore, when the first housing 20 and the second housing 40 in the half-fitted state are to be fitted and connected, the play restricting piece 43 of the second housing 40 that enters the restricting piece insertion hole 214 is moved into the restricting piece insertion hole 214. It collides with the terminal locking lance 213 which is bent and protrudes inward, and the fitting between the housings cannot be completed.
 即ち、ガタ規制片43が雌端子金具10の半嵌合状態を検知する半嵌合検知機構として機能し、雌端子金具10の半嵌合状態の見落としを防止することができる。 That is, the backlash restricting piece 43 functions as a half-fitting detection mechanism that detects the half-fitted state of the female terminal fitting 10 and can prevent the half-fitted state of the female terminal fitting 10 from being overlooked.
 また、本実施形態のコネクタ1の場合、図13に示すように、ガタ規制片43が端子先端部31の先端よりも先方に突出しているため、第2ハウジング40の保管時や運搬時において、外部機材等が筒状部41内に進入しても、雄端子金具30の舌片状の端子先端部31と外部機材等との接触が、ガタ規制片43により防がれる。即ち、ガタ規制片43が雄端子金具30の端子先端部31を保護し、端子先端部31の変形や破損を防止することができる。 Further, in the case of the connector 1 of the present embodiment, as shown in FIG. 13, the backlash restricting piece 43 protrudes further forward than the tip of the terminal tip 31, so that the second housing 40 can be stored or transported. Even if an external device or the like enters the cylindrical portion 41, contact between the tongue-shaped terminal tip portion 31 of the male terminal fitting 30 and the external device or the like is prevented by the backlash regulating piece 43. That is, the play restricting piece 43 protects the terminal tip portion 31 of the male terminal fitting 30 and can prevent the terminal tip portion 31 from being deformed or damaged.
 なお、本発明は、上述した実施形態に限定されるものではなく、適宜、変形、改良、等が可能である。その他、上述した実施形態における各構成要素の材質、形状、寸法、数、配置箇所、等は本発明を達成できるものであれば任意であり、限定されない。 It should be noted that the present invention is not limited to the above-described embodiment, and modifications, improvements, etc. can be made as appropriate. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.
 ここで、上述した本発明に係るコネクタの実施形態の特徴をそれぞれ以下[1]~[3]に簡潔に纏めて列記する。 Here, the features of the embodiment of the connector according to the present invention described above are summarized and listed in the following [1] to [3], respectively.
 [1] 雌端子金具(10)を保持する雌端子収容部(21)を備えた第1ハウジング(20)と、前記雌端子金具(10)に嵌合する舌片状の端子先端部(31)を有する雄端子金具(30)を保持して前記第1ハウジング(20)と嵌合接続される第2ハウジング(40)と、を備えるコネクタ(1)であって、
 前記雌端子収容部(21)は、前記雌端子金具(10)を収容する雌端子収容孔(211)と、前記雌端子収容孔(211)と連通して前記雌端子収容部(21)の先端面に開口され、前記舌片状の端子先端部(31)が挿通可能な雄端子挿入孔(212)と、前記雌端子収容孔(211)の一側に連通すると共に前記雌端子収容孔(211)と平行に延在して前記雌端子収容部(21)の先端面に開口する規制片挿入孔(214)と、を備え、
 前記第2ハウジング(40)は、前記雌端子収容部(21)が嵌合する筒状部(41)と、該筒状部(41)に嵌合した前記雌端子収容部(21)内の前記雌端子金具(10)に前記端子先端部(31)が嵌合するように前記雄端子金具(30)を保持する雄端子収容部(42)と、前記筒状部(41)に嵌合した前記雌端子収容部(21)の前記規制片挿入孔(214)に挿通するように前記雌端子収容部(21)の先端面と対向する前記筒状部(41)の内底面(41b)に突設されたガタ規制片(43)と、を備え、
 前記第1ハウジング(20)と前記第2ハウジング(40)とが嵌合接続された状態では、前記ガタ規制片(43)が前記雌端子収容部(21)内の前記雌端子金具(10)の一面を押圧付勢して、前記雌端子金具(10)のガタ付きを抑止するコネクタ(1)。
[1] A first housing (20) having a female terminal housing (21) for holding a female terminal fitting (10), and a tongue-shaped terminal tip (31) fitted to the female terminal fitting (10). And a second housing (40) fitted and connected to the first housing (20) while holding a male terminal fitting (30) having a connector (1),
The female terminal accommodating portion (21) communicates with the female terminal accommodating hole (211) for accommodating the female terminal fitting (10), and the female terminal accommodating hole (211). A male terminal insertion hole (212) that is opened in the front end surface and into which the tongue-shaped terminal tip (31) can be inserted, communicates with one side of the female terminal accommodation hole (211), and the female terminal accommodation hole. A regulation piece insertion hole (214) extending in parallel with (211) and opening at the distal end surface of the female terminal accommodating portion (21),
The second housing (40) includes a cylindrical part (41) into which the female terminal accommodating part (21) is fitted, and a female terminal accommodating part (21) fitted into the cylindrical part (41). A male terminal housing (42) for holding the male terminal fitting (30) so that the terminal tip (31) is fitted to the female terminal fitting (10), and a fitting to the tubular part (41). The inner bottom surface (41b) of the tubular portion (41) facing the tip surface of the female terminal housing portion (21) so as to be inserted into the restriction piece insertion hole (214) of the female terminal housing portion (21). A backlash regulating piece (43) projecting from
In a state where the first housing (20) and the second housing (40) are fitted and connected, the backlash restricting piece (43) is the female terminal fitting (10) in the female terminal accommodating portion (21). A connector (1) that presses and urges one side of the female terminal fitting to prevent the female terminal fitting (10) from rattling.
 [2] 上記[1]に記載のコネクタ(1)であって、
 前記雌端子収容部(21)は、前記雌端子金具(10)の挿入途中では前記雌端子金具(10)との干渉によって前記雌端子収容孔(211)の外方側に弾性変位し、前記雌端子金具(10)の挿入が完了した時には弾性復元力で前記雌端子収容孔(211)内に突出した状態に戻って前記雌端子金具(10)を抜け止めする端子係止ランス(213)を備えると共に、前記規制片挿入孔(214)内が前記端子係止ランス(213)の弾性変位を許容する空間となるように前記端子係止ランス(213)が配置されているコネクタ(1)。
[2] The connector (1) according to [1] above,
The female terminal accommodating portion (21) is elastically displaced outward of the female terminal accommodating hole (211) due to interference with the female terminal fitting (10) during the insertion of the female terminal fitting (10), When the insertion of the female terminal fitting (10) is completed, the terminal locking lance (213) that returns to the state protruding into the female terminal receiving hole (211) by elastic restoring force and prevents the female terminal fitting (10) from coming off. And the terminal locking lance (213) is arranged so that the inside of the restricting piece insertion hole (214) is a space allowing the elastic displacement of the terminal locking lance (213). .
 [3] 上記[1]又は[2]に記載のコネクタ(1)であって、
 前記ガタ規制片(43)が、前記端子先端部(31)の先端よりも先方に突出されているコネクタ(1)。
[3] The connector (1) according to [1] or [2] above,
The connector (1) in which the play restricting piece (43) protrudes further forward than the tip of the terminal tip (31).
 また、本出願は、2013年1月15日出願の日本特許出願(特願2013-004857)に基づくものであり、その内容はここに参照として取り込まれる。 This application is based on a Japanese patent application filed on January 15, 2013 (Japanese Patent Application No. 2013-004857), the contents of which are incorporated herein by reference.
 本発明によるコネクタによれば、構成部品の増加や端子金具の挿抜性の悪化といった問題を招くことなく、振動環境下における端子金具のガタ付きを抑制して、安定した電気的接続性能を維持することができる。 According to the connector according to the present invention, without causing problems such as an increase in the number of components and a deterioration in the insertion / removability of the terminal fitting, the looseness of the terminal fitting in a vibration environment is suppressed and stable electrical connection performance is maintained. be able to.
 1 コネクタ
 10 雌端子金具
 20 第1ハウジング
 21 雌端子収容部
 30 雄端子金具
 31 端子先端部
 40 第2ハウジング
 41 筒状部
 42 雄端子収容部
 41b 内底面
 43 ガタ規制片
 211 雌端子収容孔
 212 雄端子挿入孔
 213 端子係止ランス
 214 規制片挿入孔
DESCRIPTION OF SYMBOLS 1 Connector 10 Female terminal metal fitting 20 20 1st housing 21 Female terminal accommodating part 30 Male terminal metal fitting 31 Terminal front-end | tip part 40 2nd housing 41 Cylindrical part 42 Male terminal accommodating part 41b Inner bottom face 43 Rough regulation piece 211 Female terminal accommodating hole 212 Male Terminal insertion hole 213 Terminal locking lance 214 Restriction piece insertion hole

Claims (3)

  1.  雌端子金具を保持する雌端子収容部を備えた第1ハウジングと、前記雌端子金具に嵌合する舌片状の端子先端部を有する雄端子金具を保持して前記第1ハウジングと嵌合接続される第2ハウジングと、を備えるコネクタであって、
     前記雌端子収容部は、前記雌端子金具を収容する雌端子収容孔と、前記雌端子収容孔と連通して前記雌端子収容部の先端面に開口され、前記舌片状の端子先端部が挿通可能な雄端子挿入孔と、前記雌端子収容孔の一側に連通すると共に前記雌端子収容孔と平行に延在して前記雌端子収容部の先端面に開口する規制片挿入孔と、を備え、
     前記第2ハウジングは、前記雌端子収容部が嵌合する筒状部と、該筒状部に嵌合した前記雌端子収容部内の前記雌端子金具に前記端子先端部が嵌合するように前記雄端子金具を保持する雄端子収容部と、前記筒状部に嵌合した前記雌端子収容部の前記規制片挿入孔に挿通するように前記雌端子収容部の先端面と対向する前記筒状部の内底面に突設されたガタ規制片と、を備え、
     前記第1ハウジングと前記第2ハウジングとが嵌合接続された状態では、前記ガタ規制片が前記雌端子収容部内の前記雌端子金具の一面を押圧付勢して、前記雌端子金具のガタ付きを抑止するコネクタ。
    A first housing having a female terminal accommodating portion for holding a female terminal fitting, and a male terminal fitting having a tongue-like terminal distal end fitting to the female terminal fitting, and fitted and connected to the first housing. A second housing, wherein the connector comprises:
    The female terminal accommodating portion is connected to the female terminal accommodating hole for accommodating the female terminal fitting, the female terminal accommodating hole is opened at the distal end surface of the female terminal accommodating portion, and the tongue-shaped terminal distal end portion is A male terminal insertion hole that can be inserted, a restriction piece insertion hole that communicates with one side of the female terminal accommodation hole and extends in parallel with the female terminal accommodation hole and opens at a distal end surface of the female terminal accommodation portion, With
    The second housing includes a cylindrical portion in which the female terminal accommodating portion is fitted, and the terminal tip portion is fitted in the female terminal fitting in the female terminal accommodating portion fitted in the cylindrical portion. The male terminal accommodating portion that holds the male terminal fitting, and the cylindrical shape that faces the distal end surface of the female terminal accommodating portion so as to be inserted into the restriction piece insertion hole of the female terminal accommodating portion fitted into the cylindrical portion. A backlash regulating piece projecting on the inner bottom surface of the part,
    In a state in which the first housing and the second housing are fitted and connected, the backlash restricting piece presses and urges one surface of the female terminal fitting in the female terminal housing portion, and the female terminal fitting has a backlash. Connector that suppresses
  2.  請求項1に記載のコネクタであって、
     前記雌端子収容部は、前記雌端子金具の挿入途中では前記雌端子金具との干渉によって前記雌端子収容孔の外方側に弾性変位し、前記雌端子金具の挿入が完了した時には弾性復元力で前記雌端子収容孔内に突出した状態に戻って前記雌端子金具を抜け止めする端子係止ランスを備えると共に、前記規制片挿入孔内が前記端子係止ランスの弾性変位を許容する空間となるように前記端子係止ランスが配置されているコネクタ。
    The connector according to claim 1,
    The female terminal receiving portion elastically displaces outward of the female terminal receiving hole due to interference with the female terminal fitting during the insertion of the female terminal fitting, and an elastic restoring force is obtained when the insertion of the female terminal fitting is completed. And a terminal locking lance that returns to the state protruding into the female terminal receiving hole and prevents the female terminal fitting from coming off, and the inside of the restricting piece insertion hole allows space for elastic displacement of the terminal locking lance. A connector in which the terminal locking lance is arranged to be.
  3.  請求項1又は2に記載のコネクタであって、
     前記ガタ規制片が、前記端子先端部の先端よりも先方に突出されているコネクタ。
    The connector according to claim 1 or 2,
    The connector in which the play restricting piece protrudes further forward than the tip of the terminal tip.
PCT/JP2014/050575 2013-01-15 2014-01-15 Connector WO2014112524A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-004857 2013-01-15
JP2013004857A JP2014137866A (en) 2013-01-15 2013-01-15 Connector

Publications (1)

Publication Number Publication Date
WO2014112524A1 true WO2014112524A1 (en) 2014-07-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107112678A (en) * 2015-01-14 2017-08-29 住友电装株式会社 Connector

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5813678U (en) * 1981-07-17 1983-01-28 住友電装株式会社 connector
JPS60115473U (en) * 1984-01-13 1985-08-05 住友電装株式会社 connector
JPH08306424A (en) * 1995-05-01 1996-11-22 Kansei Corp Electric connector
JP2004319155A (en) * 2003-04-14 2004-11-11 Sumitomo Wiring Syst Ltd Connector
JP2011048945A (en) * 2009-08-25 2011-03-10 Sumitomo Wiring Syst Ltd Connector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5813678U (en) * 1981-07-17 1983-01-28 住友電装株式会社 connector
JPS60115473U (en) * 1984-01-13 1985-08-05 住友電装株式会社 connector
JPH08306424A (en) * 1995-05-01 1996-11-22 Kansei Corp Electric connector
JP2004319155A (en) * 2003-04-14 2004-11-11 Sumitomo Wiring Syst Ltd Connector
JP2011048945A (en) * 2009-08-25 2011-03-10 Sumitomo Wiring Syst Ltd Connector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107112678A (en) * 2015-01-14 2017-08-29 住友电装株式会社 Connector
CN107112678B (en) * 2015-01-14 2019-04-02 住友电装株式会社 Connector

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