WO2014181702A1 - Connecteur - Google Patents

Connecteur Download PDF

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Publication number
WO2014181702A1
WO2014181702A1 PCT/JP2014/061637 JP2014061637W WO2014181702A1 WO 2014181702 A1 WO2014181702 A1 WO 2014181702A1 JP 2014061637 W JP2014061637 W JP 2014061637W WO 2014181702 A1 WO2014181702 A1 WO 2014181702A1
Authority
WO
WIPO (PCT)
Prior art keywords
coil spring
terminal
cylindrical wall
connector
female terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2014/061637
Other languages
English (en)
Japanese (ja)
Inventor
公貴 大久保
康博 乙田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yazaki Corp
Original Assignee
Yazaki Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yazaki Corp filed Critical Yazaki Corp
Publication of WO2014181702A1 publication Critical patent/WO2014181702A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket

Definitions

  • the present invention relates to a connector having a female terminal and a male terminal inserted into the female terminal.
  • FIG. 4 shows an example of a conventional connector
  • FIGS. 4 (a) to 4 (d) show a process until the first connector and the second connector are fitted together.
  • this connector includes a first connector 500 in which a female terminal 520 is accommodated and fixed in a terminal accommodating chamber 512 of a connector housing 510, and a second connector 600 having a male terminal 620.
  • the female terminal 520 is provided with a curved spring portion 521.
  • the male terminal 620 when the male terminal 620 is inserted into the female connector 500, the front end of the male terminal 620 contacts the spring portion 521 of the female terminal 520.
  • the spring portion 521 of the female terminal 520 is pushed by the male terminal 620 and is expanded while being elastically deformed.
  • the male terminal 620 slides with the spring part 521 to receive the insertion completion position while receiving the elastic reaction force (spring load) by the spring part 521, whereby the first connector 500 and the second connector 600 are fitted. Is established.
  • a female terminal is configured as having a cylindrical wall that can be elastically deformed in the radial direction
  • a male terminal is configured as a pin-shaped terminal inserted into the cylindrical wall.
  • the cylindrical wall is elastically deformed to generate a contact load.
  • an object of the present invention is to solve the above-mentioned problems, and can reduce the frictional resistance when inserting the male terminal into the female terminal, thereby reducing the insertion load and the contact portion. It is an object of the present invention to provide a connector that can reduce the wear of the connector.
  • a female terminal having a cylindrical wall that is open at the front, and a male terminal that is connected to the female terminal by being inserted into the cylindrical wall from the front of the cylindrical wall;
  • the male terminal is configured to include a coil spring having a diameter smaller than the inner diameter of the cylindrical wall when the male terminal is in an expanded state and having a diameter larger than the inner diameter of the cylindrical wall when returning to a free state, The coil spring is inserted into the cylindrical wall of the female terminal in an extended state, and the outer periphery is pressed against the cylindrical wall when the coil spring is in a free state after insertion.
  • the operation unit according to (1) further including an operation member that brings the coil spring into an extended state by applying an operation force in a pulling direction and allows the coil spring to return to a free state by releasing the operation force. Connector.
  • a guide head Provided at the front end of the tension rod is a guide head that is positioned in front of the free end of the coil spring and guides insertion when inserted into the cylindrical wall of the female terminal.
  • the male terminal is configured by a coil spring
  • the spring can be reduced in diameter, and the male terminal can be inserted into the female terminal in a state where a gap is secured between the cylindrical wall and the coil spring. Therefore, the male terminal can be inserted into the cylindrical wall of the female terminal with almost no frictional resistance with the cylindrical wall, the insertion resistance can be lowered, and the wear of the contact portion can be reduced. Can be reduced.
  • the coil spring after insertion, can be expanded in diameter simply by returning the coil spring to a free state, and the outer periphery of the coil spring can be brought into contact with the inner periphery of the cylindrical wall.
  • the contact resistance can be reduced by the multi-contact structure, and the temperature rise of the contact portions can be reduced.
  • the coil spring can be reduced in diameter by the coil spring being extended by the operating member, and the operating force applied to the operating member can be released to release the coil.
  • the coil spring can be expanded in diameter simply by returning the spring to a free state.
  • the female terminal and the male terminal are accommodated in the connector housings that are fitted to each other, so that the fitting state of the female terminals and the male terminals can be protected by the connector housing. It is possible to prevent the external force from exerting as much as possible on the fitting portion between the female terminal and the male terminal.
  • the internal coil spring can be extended or returned via the tension rod by operating the slider by placing a finger on the exposed portion of the connector housing. It is easy to operate.
  • the tapered guide head is provided at the front end of the tension rod, when inserting the male terminal constituted by the coil spring into the cylindrical wall of the female terminal. Easy to insert. Further, since the guide head can prevent the finger from touching the coil spring, the coil spring can be protected.
  • the coil spring when the male terminal is constituted by a coil spring and the male terminal is inserted into the cylindrical wall of the female terminal, the coil spring is brought into an extended state so that the coil spring is placed between the coil spring and the cylindrical wall. Since the gap can be secured, the frictional resistance at the time of insertion can be reduced. Therefore, the insertion load can be reduced and wear of the contact portion can be reduced. Further, since the coil spring can be returned from the extended state to the free state after insertion and the coil spring can be pressed against the cylindrical wall, the female terminal and the male terminal can be easily connected. Moreover, since the coil spring contacts the cylindrical wall at a number of points, the contact resistance can be reduced by the multi-contact structure, and the temperature rise of the contact portion can be reduced. Therefore, the deterioration of the contact portion can be suppressed, the connection reliability can be improved, and a large current can be passed by reducing the connection portion resistance.
  • FIG. 1 is a cross-sectional view of a connector according to an embodiment of the present invention before connection.
  • FIG. 2 is a cross-sectional view showing a state in which a coil spring constituting the male terminal of the connector according to the embodiment is expanded and contracted and inserted into the female terminal.
  • FIG. 3 shows a state where the coil spring is pressed against the cylindrical wall of the female terminal by inserting the coil spring into the female terminal as shown in FIG. 2 and then releasing the extension of the coil spring and expanding the diameter of the coil spring. It is sectional drawing shown.
  • 4 (a) to 4 (d) are cross-sectional views showing the process until the conventional connector is fitted.
  • FIG. 1 is a cross-sectional view before connection of the connector of the embodiment
  • FIG. 2 is a cross-sectional view showing a state where a coil spring constituting the male terminal of the connector is expanded and reduced in diameter and inserted into the female terminal
  • FIG. 2 is a cross-sectional view showing a state in which the coil spring is press-contacted to the cylindrical wall of the female terminal by inserting the coil spring into the female terminal as shown in FIG. FIG.
  • the connector includes a combination of a first connector 100 and a second connector 200 that are fitted together.
  • the first connector 100 includes a resin-made first connector housing 110 and metal female terminals 120 accommodated and fixed therein.
  • the second connector 200 includes a resin-made second connector housing 210, a metal male terminal 220 accommodated and fixed therein, and other elements described later.
  • the first connector housing 110 and the second connector housing 210 are configured to be fitted to each other along the axial direction, and the female terminal 120 and the male terminal 220 are connected to the first connector housing 110 and the second connector.
  • the housing 210 is housed and fixed inside the connector housings 110 and 210 in a state in which the fitting direction of the housing 210 matches the axial direction (insertion direction).
  • the first connector housing 110 has a cylindrical wall 111 penetrating in the front-rear direction.
  • the inside of the front side of the cylindrical wall 111 is a terminal accommodating chamber 112, and the female terminal 120 is accommodated and fixed in the terminal accommodating chamber 112.
  • a locking wall 114 for preventing the female terminal 120 from coming off is provided at the front end of the cylindrical wall 111.
  • An outer periphery 111 a of the cylindrical wall 111 is configured as a fitting surface with the second connector housing 210.
  • the female terminal 120 has a cylindrical terminal body (cylindrical wall) 121 at the front and a wire crimping portion 122 at the rear.
  • the electric wire crimping portion 122 is connected to a portion where the insulating coating Wb at the tip of the electric wire W is removed and the conductor Wa is exposed.
  • the electric wire W extends rearward from the electric wire crimping portion 122 and is drawn out from the rear end of the first connector housing 110.
  • An electric wire holding ring S that also serves as a seal is fitted between the rear end of the first connector housing 110 and the insulation coating Wb of the electric wire W.
  • the cylindrical terminal body 121 of the female terminal 120 is configured by winding a metal plate with slits 124 into a cylindrical shape by pressing, and the front is open to accept the male terminal 220.
  • the second connector housing 210 has a cylindrical wall 211 penetrating in the front-rear direction.
  • the inside of the front side of the cylindrical wall 211 is a terminal accommodating chamber 212, and the male terminal 220 is accommodated and fixed in the terminal accommodating chamber 212.
  • An inner circumference 211 a of the cylindrical wall 211 is configured as a fitting surface that fits with the outer circumference 111 a of the cylindrical wall 111 of the first connector housing 110.
  • the male terminal 220 is composed of a coil spring 221 and is subjected to conductive plating.
  • the coil spring 221 has a smaller diameter than the inner diameter of the cylindrical terminal body 121 of the female terminal 120 when the coil spring 221 is extended, and the inner diameter of the cylindrical terminal body 121 of the female terminal 120 when the coil spring 221 is returned to the free state. It is also configured to expand the diameter.
  • the coil spring 221 is inserted into the cylindrical terminal body 121 of the female terminal 120 in an expanded state, and is freed after insertion, whereby the inner periphery of the cylindrical terminal body 121 of the female terminal 120 is inserted.
  • the outer periphery is in pressure contact.
  • the coil spring 221 constituting the male terminal 220 has the base end 221a fixed to the terminal base 230 to which the electric wire W is connected, and the terminal housing chamber 212 of the second connector housing 210 with the tip 221b being a free end. Is housed in.
  • the terminal base 230 has a spring holding portion 231 that holds the base end 221a of the coil spring 221 at the front portion, and a wire crimping portion 232 at the rear portion.
  • the wire crimping portion 232 is connected to a portion where the insulation coating Wb at the tip of the wire W is removed to expose the conductor Wa.
  • the electric wire W extends rearward from the electric wire crimping portion 232 and is drawn out from the rear end of the second connector housing 210.
  • An electric wire holding ring S that also serves as a seal is fitted between the rear end of the second connector housing 210 and the insulation coating Wb of the electric wire W.
  • the tension rod 240 is inserted into the coil spring 221 so as to be movable in the axial direction with respect to the coil spring 221.
  • the tension rod 240 is an operation member that causes the coil spring 221 to be extended by applying an operation force in the tension direction to the coil spring 221. By releasing the operation force, the coil spring 221 can be returned to a free state. Is.
  • the front end 242 of the tension rod 240 is provided with a locking hole 243 in which the free end (tip 221b) of the coil spring 221 is locked, and the leg 251 of the slider 250 is connected to the rear end 241 of the tension rod 240.
  • the front end 242 of the tension rod 240 is positioned in front of the free end (tip 221 b) of the coil spring 221, and guides insertion when inserted into the cylindrical terminal body 121 of the female terminal 120.
  • a tapered guide head 245 is provided. The guide head 245 is located inside the cylindrical wall 211 of the second connector housing 210, and prevents the finger from entering when a finger such as an operator is about to be inserted into the cylindrical wall 211.
  • the guide head 245 is not limited to the case where the whole is formed in a tapered shape as shown in FIG. 1 as long as the guide head 245 has a shape that can be easily inserted into the cylindrical terminal body 121 of the female terminal 120. Only a part may be formed in a tapered shape.
  • a long slide groove 215 in the axial direction is provided at a part of the rear end of the cylindrical wall 211 of the second connector housing 210 (corresponding to a grip portion gripped by hand when fitted).
  • an operation portion 252 (a part of the slider) of the slider 250 is provided so as to be slidable in the front-rear direction in a state exposed to the outside of the second connector housing 210.
  • the operation unit 252 of the slider 250 is slid forward with a finger as indicated by an arrow A in FIG. Then, the tension rod 240 connected to the slider 250 moves forward, and the coil spring 221 with the tip 221b engaged with the tension rod 240 is in an extended state.
  • the coil spring 221 is in the extended state, the coil spring 221 is reduced in diameter, and the outer diameter of the coil spring 221 is smaller than the inner diameter of the cylindrical terminal body 121 of the female terminal 120.
  • the inner periphery 211a of the cylindrical wall 211 of the second connector housing 210 is fitted to the outer periphery 111a of the cylindrical wall 111 of the first connector housing 110, and the male terminal 220 made of the coil spring 221 is connected to the female terminal. 120 is inserted into the terminal body 121.
  • the male terminal 220 can be inserted into the female terminal 120 with almost no frictional resistance with the female terminal 120, so that the insertion resistance can be lowered and the wear of the contact portion can be reduced. Can do.
  • the finger is released from the operation unit 252 of the slider 250. Then, the operating force is released, and the coil spring 221 attempts to return to a free state. Therefore, as shown in FIG. 3, the slider 250 returns to the original position as shown by the arrow B by the restoring force of the coil spring 221, and the coil spring 221 is contracted in the axial direction. Then, the diameter of the coil spring 221 is increased as indicated by an arrow C, so that the outer periphery of the coil spring 221 is brought into contact with the inner periphery of the terminal body 121 of the female terminal 120 (part indicated by the arrow N2 in FIG. 3). The female terminal 120 and the male terminal 220 are electrically connected.
  • the contact resistance can be reduced by the multi-contact structure, and the temperature of the contact portion is increased. Reduction can be achieved. Therefore, the deterioration of the contact portion can be suppressed, the connection reliability can be improved, and a large current can be passed by reducing the connection portion resistance.
  • the meaning of a large number of points includes a set of points that form a continuous spiral section.
  • the female terminal 120 and the male terminal 220 are respectively housed and fixed in the first connector housing 110 and the second connector housing 210 that are fitted to each other, the female terminal 120 and the male terminal 220 are fitted.
  • the combined state can be protected by the connector housings 110 and 210, and external force can be prevented from reaching the fitting portion between the female terminal 120 and the male terminal 220 as much as possible.
  • this connector can be configured such that the internal coil spring 221 is extended through the tension rod 240 by simply sliding the operation portion 252 of the slider 250 exposed outside the second connector housing 210 with a finger. Since it can be returned, operability is good.
  • the tapered guide head 245 is provided at the front end of the tension rod 240, the male terminal 220 constituted by the coil spring 221 is inserted into the terminal body 121 of the female terminal 120. When it becomes easier to insert. Moreover, since the guide head 245 is installed in front of the free end (tip 221b) of the coil spring 221, it is possible to prevent the finger from touching the coil spring 221 and to protect the coil spring 221.
  • the female terminal 120 is accommodated and fixed in the first connector housing 110 and the male terminal 220 is accommodated and fixed in the second connector housing 210 is shown.
  • the male terminal 220 may be housed and fixed in the housing 110, and the female terminal 120 may be housed and fixed in the second connector housing 210.
  • the terminal main body 121 of the female terminal 120 is formed in a continuous cylindrical shape
  • it may be formed in a cylindrical shape in which the entire periphery is not continuous.
  • the plurality of contact pieces may only be arranged in a cylindrical shape.
  • the cylindrical shape of shapes other than cylindrical shape may be sufficient.
  • a female terminal (120) having a cylindrical wall (121) whose front is open, and the female terminal inserted into the cylindrical wall (121) from the front of the cylindrical wall (121).
  • a male terminal (220) connected to (120), When the male terminal (220) is in the extended state, the coil spring (the diameter is smaller than the inner diameter of the cylindrical wall (121) and when the male terminal (220) is returned to the free state, the coil spring expands more than the inner diameter of the cylindrical wall (121). 221), The coil spring (221) is inserted into the cylindrical wall (121) of the female terminal (120) in an extended state, and is freed after insertion so that the outer periphery of the cylindrical wall (121) is Connector for pressure contact.
  • the first and second connector housings (110) and (210), respectively, in which the female terminal (120) and the male terminal (220) can be fitted to each other, are respectively provided.
  • the fitting direction of both the connector housings (110, 210) and the axial direction of the female terminal (120) and the male terminal (220) are accommodated and fixed.
  • the coil spring (221) fixes the second connector housing (210) with the base end (221a) fixed to the terminal base (230) to which the electric wire (W) is connected and the tip end (221a) as the free end.
  • a tension rod (240) as the operation member (240) is inserted into the coil spring (221) so as to be movable in the axial direction with respect to the coil spring (221). .
  • the present invention it is possible to reduce the frictional resistance when the male terminal is inserted into the female terminal, thereby reducing the insertion load and reducing the wear of the contact portion. .
  • the present invention exhibiting this effect is useful for a connector having a female terminal and a male terminal inserted into the female terminal.
  • first connector housing 120 female terminal 121 cylindrical terminal body (cylindrical wall) 210 Second connector housing 220 Male terminal 221 Coil spring 221a Base end 221b Tip 230 Terminal base 240 Tension rod (operation member) 241 Rear end 242 Front end 245 Guide head 250 Slider 252 Operation unit (part of slider) W electric wire

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Une borne mâle (220) est configurée par un ressort hélicoïdal (221) dont le diamètre rétrécit par rapport au diamètre interne d'un corps principal de borne (121) de forme cylindrique d'une borne femelle (120) en mode allongement, et dont le diamètre s'élargit par rapport au diamètre interne du corps principal de borne lors d'un rétablissement selon un mode libre. Le ressort hélicoïdal est inséré dans la partie interne du corps principal de borne de la borne femelle en mode allongement, et sa périphérie externe se soude par pression à la périphérie interne du corps principal de borne en mode libre après insertion.
PCT/JP2014/061637 2013-05-08 2014-04-24 Connecteur Ceased WO2014181702A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013098655A JP6053605B2 (ja) 2013-05-08 2013-05-08 コネクタ
JP2013-098655 2013-05-08

Publications (1)

Publication Number Publication Date
WO2014181702A1 true WO2014181702A1 (fr) 2014-11-13

Family

ID=51867184

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/061637 Ceased WO2014181702A1 (fr) 2013-05-08 2014-04-24 Connecteur

Country Status (2)

Country Link
JP (1) JP6053605B2 (fr)
WO (1) WO2014181702A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109768431A (zh) * 2019-02-03 2019-05-17 卢卫征 用于自锁式安全型大电流开关电器的插头

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022107120B4 (de) 2022-03-25 2023-10-05 Schaltbau Gmbh Elektrische Verbindungsvorrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57161876U (fr) * 1981-04-03 1982-10-12
JPS61166482U (fr) * 1985-04-03 1986-10-15
JPH032567U (fr) * 1989-05-30 1991-01-11
JPH0521106A (ja) * 1991-07-09 1993-01-29 Fujitsu Ltd 耐震型コネクタ
WO2011118656A1 (fr) * 2010-03-24 2011-09-29 日本発條株式会社 Prise

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57161876U (fr) * 1981-04-03 1982-10-12
JPS61166482U (fr) * 1985-04-03 1986-10-15
JPH032567U (fr) * 1989-05-30 1991-01-11
JPH0521106A (ja) * 1991-07-09 1993-01-29 Fujitsu Ltd 耐震型コネクタ
WO2011118656A1 (fr) * 2010-03-24 2011-09-29 日本発條株式会社 Prise

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109768431A (zh) * 2019-02-03 2019-05-17 卢卫征 用于自锁式安全型大电流开关电器的插头
CN109768431B (zh) * 2019-02-03 2020-06-05 乐清市智格电子科技有限公司 用于自锁式安全型大电流开关电器的插头

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Publication number Publication date
JP2014220120A (ja) 2014-11-20
JP6053605B2 (ja) 2016-12-27

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