WO2015068689A1 - カードエッジコネクタ - Google Patents

カードエッジコネクタ Download PDF

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Publication number
WO2015068689A1
WO2015068689A1 PCT/JP2014/079225 JP2014079225W WO2015068689A1 WO 2015068689 A1 WO2015068689 A1 WO 2015068689A1 JP 2014079225 W JP2014079225 W JP 2014079225W WO 2015068689 A1 WO2015068689 A1 WO 2015068689A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
circuit board
fitting
movable housing
card edge
Prior art date
Application number
PCT/JP2014/079225
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
験三 小田
Original Assignee
タイコエレクトロニクスジャパン合同会社
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 タイコエレクトロニクスジャパン合同会社 filed Critical タイコエレクトロニクスジャパン合同会社
Priority to CN201480061294.7A priority Critical patent/CN105684224B/zh
Publication of WO2015068689A1 publication Critical patent/WO2015068689A1/ja

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/82—Coupling devices connected with low or zero insertion force
    • H01R12/85—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures
    • H01R12/89—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures acting manually by moving connector housing parts linearly, e.g. slider
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables

Definitions

  • the present invention relates to a card edge connector, and more particularly to a card edge connector capable of coping with multiple poles.
  • the circuit board is connected to a circuit board having terminals formed of a plurality of conductive patterns in a row along a plate-like periphery Card edge type connectors are known (for example, Patent Documents 1, 2, and 3).
  • the card edge connector is electrically connected to the terminal on the circuit board side provided on the periphery by the terminal fitting moving in parallel to the circuit board.
  • Electrical connectors including card edge connectors, are highly required to be multi-polar with more terminals.
  • the multipolarization of the card edge connector has been achieved by increasing the number of terminals lined up in the row by increasing the size (width) of the circuit board in the direction in which the terminals are lined up, and the front surface and back of the circuit board. It corresponded by providing a terminal in both surfaces.
  • JP 2011-129350 A JP 2012-142164 A JP, 2012-212613, A
  • the inventors of the present invention can arrange the terminal metal fittings and the card side terminals in two rows or more by connecting the terminal metal fittings of the card edge connector to the circuit board in an inclined manner.
  • the card edge connector of the present invention is mutually engaged with the second housing for holding the circuit board in which a plurality of conductive patterns are formed in a plurality of rows along one edge, and the second board is conductive And a first housing for holding the terminal fitting arranged in a plurality of examples electrically connected to each of the patterns.
  • the card edge connector according to the present invention is characterized in that the terminal fittings are arranged in an inclined manner in the same direction with respect to the circuit board.
  • the first housing is a first movable housing disposed on one side of the circuit board, and a second movable housing disposed on the other side of the circuit board.
  • the first movable housing and the second movable housing are pivotally connected to each other.
  • the second housing also includes a receiving cavity for receiving the first movable housing and the second movable housing, and having a guide surface closing the first movable housing and the second movable housing toward the fitting completion position.
  • the terminal metal fitting is separated from the circuit board up to a predetermined position before reaching the completion position of the fitting, and keeps in contact with the conductive pattern from the predetermined position to the completion position.
  • a waterproof seal can be provided on the rear side from which the electric wire connected to the terminal fitting is drawn out.
  • the waterproof seal seals the rear end of the first movable housing and between the first housing and the second housing.
  • the terminal fitting can be provided with a contact that is folded back in a U-shape at the tip that comes in contact with the conductive pattern. Since this contact is folded back in a U-shape, it is possible to provide appropriate elasticity, and since the portion in contact with the conductive pattern is a curved surface, it is possible to suppress the abrasion force applied to the conductive pattern to a low level.
  • the terminal fittings of the card edge connector are inclined with respect to the circuit board, the terminal fittings can be arranged in two or more rows. Therefore, the present invention contributes to the multipolarization of the card edge connector.
  • the card edge connector 1 includes an inner housing (first housing) 10 and an outer housing (second housing) 50 for holding a circuit board 60. .
  • the card edge connector 1 electrically connects the conductive pattern 65 formed on each of the front surface 61 and the back surface 63 of the circuit board 60 with another circuit board (not shown).
  • the card edge connector 1 includes conductive patterns 65 arranged in two rows in the fitting direction x of the circuit board 60 and terminal fittings 40 arranged in two rows in the fitting direction held by the inner housing 10. There is a feature in electrically connecting.
  • the front and rear thereof are defined according to the direction in which they are fitted to each other.
  • the inner housing 10 is provided with a first movable housing 11 and a second movable housing 12 as shown in FIG. 1B, and holds the terminal fitting 40 respectively.
  • the first movable housing 11 and the second movable housing 12 are swingably connected to each other within a predetermined range by a swing shaft 13.
  • the first movable housing 11 and the second movable housing 12 sandwich the circuit board 60 from the side flat surface 63 side of the front surface 61.
  • first movable housing 11 and the second movable housing 12 are different in the position where they are arranged in this way, they have the same configuration, and the same components are denoted by the same reference numerals, and in the following, the first movable housing 11 will be described. Further, both the first movable housing 11 and the second movable housing 12 are integrally formed by injection molding of an insulating resin.
  • the first movable housing 11 is provided with a cavity 15 that accommodates and holds a plurality of terminal fittings 40.
  • the plurality of cavities 15 are arranged in the width direction y (FIG. 2) of the first movable housing 11 to form a single row of cavities.
  • the cavity rows are arranged in two rows in the fitting direction x.
  • the cavity 15 located on the front side may be referred to as a cavity 15 f
  • the cavity 15 located on the rear side may be referred to as a cavity 15 r.
  • the cavity 15 is generally referred to.
  • the above-mentioned cavity 15 is formed in parallel to the guide surface 17 and includes a connection opening 151 opened in the holding surface 16 and a lead-out opening 152 opened in the rear end surface 18. Therefore, the cavity 15 is provided to be inclined with respect to the holding surface 16 and penetrates the first movable housing 11 in the front-rear direction.
  • the contact 41 is exposed from the connection opening 151, and the electric wire 45 connected to the terminal fitting 40 is exposed to the outside from the extraction opening 152.
  • a lance may be provided to hold the terminal fitting 40 to be accommodated so as to stay in a predetermined position and not to come out of the cavity 15.
  • a rectangular parallelepiped fitting block 19 is formed at an intersection portion located on the front end side of the holding surface 16 and the guide surface 17.
  • the fitting block 19 contacts the first guide surface 53 (the second movable housing 12 is the second guide surface 54) of the outer housing 50 in the process of fitting the inner housing 10 and the outer housing 50.
  • the fitting block 19 is fitted in the fitting groove 55 of the outer housing 50 when the fitting is completed. The effects of the fitting block 19 in contact with the first guide surface 53 and the second guide surface 54 and the fitting thereof in the fitting groove 55 will be described later.
  • the first movable housing 11 is provided with a support piece 14 projecting from the holding surface 16.
  • the swing shaft 13 is provided so as to penetrate the support piece 14 of the first movable housing 11 and the support piece 14 of the second movable housing 12 which are disposed such that the holding surfaces 16 face each other.
  • the first movable housing 11 and the second movable housing 12 are supported so as to be able to swing relative to each other.
  • the waterproof seal 20 is provided inside the inner housing 10 in order to prevent water from entering from the side of the rear end surface 18 and between the inner housing 10 and the outer housing 50. Therefore, the waterproof seal 20 has a shape following the rear end surface 18 and is mounted without providing a gap with the rear end surface 18.
  • the waterproof seal 20 has a surface area larger than the combined area of the rear end faces 18 of both the first movable housing 11 and the second movable housing 12, as shown in FIG. 1B, and is made of a flexible material such as rubber. It is a member which consists of In the waterproof seal 20, seal holes 21 penetrating the front and back are formed at positions corresponding to the plurality of cavities 15 of the first movable housing 11 and the second movable housing 12, respectively.
  • the terminal fitting 40 When the terminal fitting 40 is inserted into the cavity 15, the terminal fitting 40 passes through the seal hole 21, and the electric wire 45 connected to the terminal fitting 40 penetrates the seal hole 21.
  • the electric wire 45 passing through the seal hole 21 is in close contact with the periphery of the seal hole 21 to prevent the water having passed through the outlet opening 152 from entering the inside of the cavity 15.
  • a seal block 23 is formed over the entire outer periphery.
  • the seal block 23 is provided with three seal strips 24 protruding from the outer peripheral surface, and when the fitting of the inner housing 10 and the outer housing 50 is completed, the seal strips 24 are in close contact with the outer housing 50.
  • the waterproof seal 20 prevents water from entering between the inner housing 10 and the outer housing 50.
  • the cover 30 fixes the inner housing 10 and the waterproof seal 20 to the outer housing 50 by covering the waterproof seal 20 from the rear side.
  • the cover 30 is provided with a first cover 31 corresponding to the first movable housing 11 and a second cover 32 corresponding to the second movable housing 12 as shown in FIG. They are pivotally connected to each other.
  • the cover 30 When the cover 30 is assembled to the inner housing 10 via the waterproof seal 20, the cover 30 performs a rocking movement following the rocking movement of the first movable housing 11 and the second movable housing 12 of the inner housing 10.
  • the angle between the holding surfaces 16 of the first movable housing 11 and the second movable housing 12 is smaller and closer to parallel is closed, and the larger angle between the two is open.
  • wire holes 33 penetrating the front and back are formed at positions corresponding to the plurality of cavities 15 of the first movable housing 11 and the second movable housing 12, respectively. .
  • the electric wire 45 passing through the seal hole 21 is drawn to the outside through the electric wire hole 33.
  • the cover 30 is formed with the fitting sleeve 35 over the entire outer periphery. When the fitting is completed, the fitting sleeve 35 is fitted to the fitting sleeve 57 of the outer housing 50 from the outside, and the inner housing 10 and the outer housing 50 are prevented from coming off.
  • the fitting sleeve 35 and the fitting sleeve 57 can be provided with locking projections (not shown) in order to ensure the integrity of the lock.
  • the terminal fitting 40 is in the form of a socket as a whole, and as shown in FIG. 1B, the contact fitting 41 is integrally provided at the tip.
  • the contactor 41 is formed thin so as to be elastically deformable, and a U-shaped folded back 42 is provided at the tip thereof.
  • the tip end portion of the folded back 42 protrudes from the connection opening 151 by a very small amount.
  • the terminal fitting 40 is manufactured using a metal material excellent in conductivity and elasticity, for example, a copper alloy.
  • the outer housing 50 is fitted with the inner housing 10 while holding the circuit board 60, as shown in FIG. 1 (a).
  • the outer housing 50 can also be used as part of the housing of the electronic device.
  • the outer housing 50 comprises a receiving cavity 51 for receiving the inner housing 10.
  • the receiving cavity 51 is opened at the front end of the outer housing 50 and is tapered so that the opening area of the longitudinal cross section is narrowed toward the rear end, and faces the first guide surface 53 and the second guide surface 54. It is.
  • the first guide surface 53 and the second guide surface 54 intersect at a predetermined angle.
  • the crossing angle substantially matches the angle formed by the first movable housing 11 of the inner housing 10 and the guide surfaces 17 of the second movable housing 12 which have been completely fitted.
  • the first movable housing 11 and the second movable housing 12 can have the first guide surface 53 and the second guide surface 54, respectively. And slide towards the back of the receiving cavity 51.
  • the first movable housing 11 and the second movable housing 12 are gradually closed as they progress toward the back of the receiving cavity 51.
  • the terminal fitting 40 is held at a predetermined position of the cavity 15, and the waterproof seal 20 and the cover 30 are assembled.
  • the inner housing 10 Prior to performing the fitting operation, the inner housing 10 is positioned in the receiving cavity 51 of the outer housing 50. This positioning is based on the premise that the circuit board 60 held by the outer housing 50 can be inserted between the first movable housing 11 and the second movable housing 12. Thereafter, the inner housing 10 is pushed toward the back of the receiving cavity 51.
  • the first movable housing 11 and the second movable housing 12 are the most open.
  • the front end side of the circuit board 60 is inserted between the first movable housing 11 and the second movable housing 12 as shown in FIG.
  • the fitting block 19 of the first movable housing 11 is guided while sliding on the first guide surface 53
  • the fitting block 19 of the second movable housing 12 is guided while sliding on the second guiding surface 54.
  • the first movable housing 11 and the second movable housing 12 are closed more than originally. However, since the gap sufficiently exceeding the thickness of the circuit board 60 is left between the first movable housing 11 and the second movable housing 12, the terminal fitting 40 may contact the circuit board 60 from the beginning. Absent.
  • the first movable housing 11 and the second movable housing 12 are closed, and the terminal fitting 40 approaches the circuit board 60.
  • the seal strip 24 of the waterproof seal 20 abuts against the inner wall of the fitting sleeve 57 of the outer housing 50, and the fitting sleeve 35 of the inner housing 10 covers the rear end side of the fitting sleeve 57 .
  • the fitting completion position shown in FIG. 1 is reached. Then, the terminal fitting 40 held by the first movable housing 11 contacts the conductive pattern 65 on the front surface 61 of the circuit board 60, and the terminal fitting 40 held by the second movable housing 12 is a circuit It contacts the conductive pattern 65 on the back surface 63 of the substrate 60.
  • Each of the terminal fittings 40 starts contact with the conductive pattern 65 at a predetermined position slightly before reaching the fitting completion position, and continues to contact until the fitting completion position, thereby achieving the wiping effect.
  • the contactors 41 of the terminal fittings 40 are elastically deformed by being pressed against the circuit board 60. The reaction force of the elastic deformation acts on the first movable housing 11 and the second movable housing 12 in a direction to open between the two.
  • the fitting block 19 of the first movable housing 11 and the second movable housing 12 is inserted into the fitting groove 55. Since the force to open is applied to the first movable housing 11 and the second movable housing 12, each fitting block 19 is pressed against the upper wall 55 a and the lower wall 55 b facing the fitting groove 55. The pressing force contributes to preventing the inner housing 10 from coming out of the receiving cavity 51.
  • the lock mechanism may be provided between the cover 30 and the outer housing 50 to prevent the inner housing 10 from coming out of the receiving cavity 51.
  • the seal strip 24 of the waterproof seal 20 is in close contact with the inner wall of the fitting sleeve 57 of the outer housing 50, so that the entry of water into the receiving cavity 51 is prevented. Furthermore, when the fitting is completed, the fitting sleeve 35 of the cover 30 covers the periphery of the fitting sleeve 57.
  • the card edge connector 1 has a plurality of terminal fittings 40 arranged in two rows on one side of the circuit board 60. Therefore, the card edge connector 1 can be multi-polarized as compared to the conventional card edge connector in which the terminal fittings are arranged in one row on one side. realizable.
  • the reason why the terminal fittings 40 can be arranged in two rows in this way is that the terminal fittings 40 are inclined with respect to the circuit board 60. If the terminal fitting 40 is inclined to contact the circuit board 60, the terminal fitting 40 can be arranged in three or more rows.
  • the terminal metal fitting 40 is retracted relative to the circuit board 60 until the fitting of the inner housing 10 and the outer housing 50 is completed, and it is slightly before reaching the fitting completion position.
  • the terminal fitting 40 contacts the conductive pattern 65 of the circuit board 60. Therefore, since the inner housing 10 does not receive a reaction force caused by the contact of the terminal metal fitting 40 with the circuit board 60 in most of the area of the process of fitting, the card edge connector 1 can be multipolarized while being inner The force required to insert the housing 10 into the receiving cavity 51 can be reduced.
  • the predetermined position at which the terminal fitting 40 starts to contact the conductive pattern 65 can be arbitrarily set in consideration of the reduction effect of the force for inserting the inner housing 10, the above-described wiping effect, and the like.
  • the card edge connector 1 can prevent the terminal fitting 40 from hitting the tip of the circuit board 60 and damaging it, and the terminal fitting 40 slides on the front surface 61 and the back surface 63 of the circuit board 60
  • the conductive pattern 65 can be prevented from peeling off.
  • the above effect is realized by providing the condition that the inner housing 10 is configured to be able to open and close the first movable housing 11 and the second movable housing 12 and that both housings are closed as the fitting progresses. Ru.
  • the configurations described in the above embodiments can be selected or changed to other configurations as appropriate without departing from the spirit of the present invention.
  • the terminal metal fitting in contact with both the front surface and the back surface of the circuit board has been described.
  • the present invention can also be applied to a card edge connector that contacts the terminal fitting.
  • the waterproof seal 20 and the cover 30 are optional elements of the present invention, and may not be used depending on the application.
  • the contact of the terminal metal fitting applied to this invention is equipped with U-shaped bending

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
PCT/JP2014/079225 2013-11-08 2014-11-04 カードエッジコネクタ WO2015068689A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201480061294.7A CN105684224B (zh) 2013-11-08 2014-11-04 卡片边缘连接器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-231792 2013-11-08
JP2013231792A JP6283202B2 (ja) 2013-11-08 2013-11-08 カードエッジコネクタ

Publications (1)

Publication Number Publication Date
WO2015068689A1 true WO2015068689A1 (ja) 2015-05-14

Family

ID=53041466

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/079225 WO2015068689A1 (ja) 2013-11-08 2014-11-04 カードエッジコネクタ

Country Status (3)

Country Link
JP (1) JP6283202B2 (enrdf_load_stackoverflow)
CN (1) CN105684224B (enrdf_load_stackoverflow)
WO (1) WO2015068689A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7432990B2 (ja) * 2018-11-13 2024-02-19 タイコエレクトロニクスジャパン合同会社 電気機器
WO2023283534A1 (en) * 2021-07-08 2023-01-12 Cisco Technology, Inc. Connecting multi-conductor cables with surface contacts
US11916324B2 (en) 2021-07-08 2024-02-27 Cisco Technology, Inc. Connecting multi-conductor cables with surface contacts

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0837065A (ja) * 1993-10-28 1996-02-06 Sumitomo Wiring Syst Ltd カードエッジコネクタ
JP2011086457A (ja) * 2009-10-14 2011-04-28 Yazaki Corp 防水コネクタ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0273589B1 (en) * 1986-12-22 1993-09-01 The Whitaker Corporation High density coax connector
DE19511508C2 (de) * 1995-03-29 1998-07-09 Siemens Ag Elektrischer Leiterplattenverbinder
JP2012212613A (ja) * 2011-03-31 2012-11-01 Fujitsu Component Ltd フローティング機能付きカードエッジコネクタ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0837065A (ja) * 1993-10-28 1996-02-06 Sumitomo Wiring Syst Ltd カードエッジコネクタ
JP2011086457A (ja) * 2009-10-14 2011-04-28 Yazaki Corp 防水コネクタ

Also Published As

Publication number Publication date
JP6283202B2 (ja) 2018-02-21
CN105684224B (zh) 2018-09-28
CN105684224A (zh) 2016-06-15
JP2015092440A (ja) 2015-05-14

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