WO2015063917A1 - Structure de fixation de coque de protection - Google Patents

Structure de fixation de coque de protection Download PDF

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Publication number
WO2015063917A1
WO2015063917A1 PCT/JP2013/079545 JP2013079545W WO2015063917A1 WO 2015063917 A1 WO2015063917 A1 WO 2015063917A1 JP 2013079545 W JP2013079545 W JP 2013079545W WO 2015063917 A1 WO2015063917 A1 WO 2015063917A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
shield
undershell
shell
device case
Prior art date
Application number
PCT/JP2013/079545
Other languages
English (en)
Japanese (ja)
Inventor
徹 鈴木
慧 中井
Original Assignee
矢崎総業株式会社
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 矢崎総業株式会社 filed Critical 矢崎総業株式会社
Priority to PCT/JP2013/079545 priority Critical patent/WO2015063917A1/fr
Publication of WO2015063917A1 publication Critical patent/WO2015063917A1/fr

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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/16—Fastening of connecting parts to base or case; Insulating connecting parts from base or case
    • H01R9/18—Fastening by means of screw or nut

Definitions

  • the present invention relates to a fixing structure of a shield shell that covers the periphery of a connector.
  • Patent Document 1 describes a shield plate mounting structure that shields a connector mounting opening provided in a shield case.
  • the shield plate is formed in a substantially L shape and has a first portion and a second portion.
  • the first portion extends along the side surface of the shield case and closes the opening of the shield case.
  • the second part is connected to the first part and extends along the upper surface of the shield case.
  • the shield plate is fixed to the shield case by fixing the second portion to the upper surface of the shield case with a bolt. In this state, the first portion closes the opening, so that the shield case shields the connector.
  • the second part is fixed to the upper surface of the shield case. Is pressed against the side surface of the shield case to ensure adhesion and shield properties.
  • the bending angle between the first portion and the second portion is set to an acute angle. Therefore, when the shield plate is assembled to the shield case, Part 2 may hit the side of the shield case. In this case, it is necessary to perform the bolt tightening work while pressing the second part against the upper surface of the shield case while preventing the tip of the second part from hitting the shield case. .
  • An object of the present invention is to provide a shield shell fixing structure that can be easily fixed when a shield shell covering a connector is fixed to an electrical device case.
  • a connector having a rear connector and a front connector assembled to the rear connector, and fixed to an electrical equipment case that covers an outer periphery of the rear connector and shields the rear connector
  • a shield shell wherein the rear connector has a rear housing in which a plate-like terminal of an end of an electric wire is accommodated, and the front connector accommodates a female terminal connected to the plate-like terminal.
  • a front housing, and the shield shell includes an upper shell having a fixing portion fixed to the electric device case, and an under shell assembled to the upper shell, and the electric device case is provided on the under shell.
  • a shield shell fixing structure provided with a pressing contact piece that contacts and presses .
  • the upper shell and the undershell are assembled together by the clamping bracket.
  • the shield shell since the pressing contact piece of the undershell contacts and presses against the electrical device case, the shield shell is fixed in close contact with the electrical device case. In addition, since the shield shell covers the rear connector, the rear connector is reliably shielded from the outside.
  • the undershell Since the undershell is pressed toward the upper shell, the undershell and the upper shell are in close contact with each other, and the shielding performance is further improved.
  • the shield shell is attached to the electric device case in a state where the pressing contact piece is in contact with the electric device case, so that the fixing work is simplified.
  • the pressing contact piece of the undershell comes into contact with and presses the electrical device case, so that the upper shell is also closely attached. It is assembled to the electrical equipment case in the state.
  • FIG. 1 is an exploded perspective view of a connector according to a first embodiment of the present invention.
  • FIG. 2 is a cross-sectional view showing the shield shell and the rear connector according to the first embodiment of the present invention.
  • FIG. 3 is an exploded perspective view of the connector according to the second embodiment of the present invention.
  • FIG. 4 is an exploded perspective view showing a connector according to a modification of the second embodiment of the present invention.
  • FIG. 5 is an exploded perspective view of the connector according to the third embodiment of the present invention.
  • (First embodiment) 1 and 2 show a connector 2 according to a first embodiment of the present invention.
  • Connector 2 is used for the shield shell fixing structure of this embodiment.
  • the connector 2 includes plate-like terminals 3 and 3, a rear connector 4, a front connector 5, a molded waterproof part 6, and a shield shell 21.
  • the plate-like terminals 3 and 3 are connected to the terminals of the electric wires 11 and 11 from the power source, respectively.
  • the electric wires 11 and 11 are formed as a two-core wire.
  • each plate-like terminal 3 is formed by a plate-like terminal main body portion 3 a, a wire side connection portion 3 b, and a female terminal side connection portion 3 c.
  • the electric wire side connecting portion 3 b is bent at a right angle from the terminal main body portion 3 a and is crimped and crimped to the end of the inner conductor of the electric wire 11 to be connected to the electric wire 11.
  • the female terminal side connection part 3c is integrally formed at the end of the terminal main body part 3a opposite to the electric wire side connection part 3b, and is connected to the female terminal 12 by crimping or welding the connection terminal 25 from the female terminal 12. Has been.
  • Each female terminal 12 is formed by a box-shaped female box connection portion 12a and a thin plate-shaped plate-shaped connection portion 12b extending from the female box connection portion 12a.
  • One end of the connection terminal 25 is connected to the plate-like connection portion 12b by welding.
  • the female terminal 12 is connected to the plate-like terminal 3 by crimping and crimping the female terminal side connection portion 3 c to the other end of the connection terminal 25.
  • a braided wire is used as the connection terminal 25.
  • the rear connector 4 has a rear housing 14.
  • the rear housing 14 accommodates the plate-like terminals 3 and 3 and the terminal portions of the electric wires 11 and 11 connected to the plate-like terminals 3 and 3, respectively.
  • the rear housing 4 is formed of an insulating resin such as polybutylene terephthalate (PBT).
  • a long cylindrical mounting portion 14 a is integrally provided on the front side of the rear housing 14.
  • a plurality of locking projections 14b for assembling the front connector 5 to the mounting portion 14a are formed on the outer surface of the mounting portion 14a.
  • the rear housing 14 is not molded in advance, and is integrally molded in a mold together with a molded waterproof portion 6 to be described later when the connector 2 is manufactured. By such integral molding, the rear housing 14 has the shape shown in FIG.
  • the rear housing 14 is accommodated in the shield shell 21.
  • the shield shell 21 is formed in a box shape from a metal such as aluminum, and performs electromagnetic wave shielding on the rear connector 4 accommodated therein.
  • the front connector 5 is formed by a front housing body 15 (front housing) and a housing front 17.
  • the front housing body 15 accommodates female terminals 12 and 12. Each female terminal 12 is formed in a box shape, and is accommodated in the front housing body 15 while being connected to the plate-like terminal 3.
  • terminal housing chambers 15 c, 15 c are formed in the front housing body 15.
  • the terminal accommodating chambers 15c and 15c are partitioned by a partition wall portion 15a.
  • the partition 15a prevents the female terminals 12 and 12 inserted into the terminal accommodating chambers 15c and 15c from contacting each other.
  • the front housing body 15 is assembled to the mounting portion 14 a of the rear housing 14.
  • the plurality of hook portions 15 b correspond to the plurality of locking projections 14 b of the attachment portion 14 a and project from the front housing body 15 toward the rear housing 14.
  • a seal ring such as rubber is sandwiched between the front housing body 15 and the rear connector 4.
  • a plate-like mating terminal (not shown) of the electric device for power control is inserted into the housing front 17.
  • the housing front 17 has a lower front portion 17a and an upper front portion 17b assembled to the lower front portion 17a.
  • the lower front portion 17a is formed with rectangular mating terminal insertion ports 19 and 19 into which mating terminals (not shown) from the power control electric device side are inserted.
  • the mating terminal inserted into the mating terminal insertion port 19, 19 is electrically connected to the female terminals 12, 12 housed in the terminal housing chamber 15 of the front housing body 15.
  • the molded waterproof part 6 is integrally molded around the electric wires 11 and 11. Specifically, the molded waterproofing part 6 is provided so as to surround the electric wires 11 and 11, and the insulating sheaths 11 a and 11 a of the electric wires 11 and 11 (only the outer sheath 11 a of one electric wire 11 is shown in FIG. 2). The water moving to the plate-like terminal 3 side through is blocked. Thereby, the penetration
  • the molded waterproof portion 6 is not molded in advance, and is integrally molded in the mold together with the rear housing 14 when the connector 2 is manufactured. By such integral molding, the molded waterproof portion 6 has the shape shown in FIG. Thus, since the molded waterproof part 6 is integrated with the electric wires 11, 11, the molded waterproof part 6 is more firmly attached to the electric wires 11, 11 than when a seal ring such as rubber is simply wrapped around the electric cables 11, 11. Combined. For this reason, waterproofness improves remarkably.
  • thermosetting elastomer is used as the material of the molded waterproof part 6.
  • thermosetting elastomer vulcanized rubber or thermosetting resin-based elastomer can be used.
  • thermosetting resin-based elastomer urethane rubber, silicone rubber, fluorine rubber, or the like can be appropriately selected.
  • the shield shell 21 covers the outer periphery of the rear connector 4.
  • the shield shell 21 is formed by an upper shell 41 and an undershell 42 made of a metal such as aluminum.
  • the upper shell 41 is formed by a box-shaped outer peripheral shield wall 43 and a fixed portion 44.
  • the outer peripheral shield wall 43 accommodates the rear connector 4.
  • the fixing portion 44 is integrally formed with the outer peripheral shield wall 43 so as to extend in the left-right direction on the upper surface of the outer peripheral shield wall 43.
  • the fixing portion 44 is a member for fixing the upper shell 41 to the electric device case 62 of the electric device 61, and the through hole 47 through which the fixing bolts 46, 46 (only one fixing bolt is shown in FIG. 2) passes. 47 are formed on the left and right sides (see FIG. 2).
  • the undershell 42 is formed in a substantially U shape and is assembled to the lower part of the upper shell 41. Assembling of the upper shell 41 and the undershell 42 is performed by clamping brackets 49 and 49.
  • the sandwiching brackets 49 and 49 are provided so as to sandwich the lower portion of the upper shell 41 and the undershell 42.
  • the sandwiching brackets 49 and 49 are coupled by bolts and nuts.
  • the upper shell 41 and the undershell 42 are assembled.
  • the undershell 42 is formed with a triangular plate-shaped pressing contact piece 45.
  • the pressing contact piece 45 is formed in the undershell 42 in a state of being inclined in the direction of the electric device case 62, and elasticity is given by this inclination.
  • the press contact piece 45 should just have elasticity, and may be formed in the undershell 42 in the state inclined to the direction of the undershell 42 (direction opposite to FIG. 2).
  • the connector 2 is inserted into the electric device case 62 of the electric device 61 and connected to the electric device 61.
  • the front connector 5 and the rear connector 4 are inserted into the electric device case 62 by this insertion, and the tip portion of the electric device case 62 reaches the shield shell 21.
  • the shield shell 21 is fixed to the electric device case 62.
  • fixing bolts 46 and 46 are passed through through holes 47 and 47 formed in the fixing portion 44 of the upper shell 41, and bolt holes 63 and 63 of the electric device case 62 (only one bolt hole is shown in FIG. 2). It is performed by screwing to.
  • the pressing contact piece 45 of the undershell 42 contacts the electric device case 62 and presses the electric device case 62 by the elastic force of the pressing contact piece 45. .
  • the shield shell 21 is fixed in close contact with the electrical device case 62 by the reaction force caused by the pressing. Thereby, the rear connector 4 is reliably shielded from the outside.
  • the undershell 42 is pressed toward the upper shell 41 by the elastic force of the pressing contact piece 45, the undershell 42 is in close contact with the upper shell 41. For this reason, the shielding property is further improved.
  • the clamping brackets 49, 49 clamp and fix the undershell 42 and the upper shell 41, and the pressing contact piece 45 contacts and presses the electrical device case 62, so that the upper shell 41 is in close contact with the electrical device case 62. Assemble in a stable state.
  • the shield shell 21 is attached to the electric device case 62 in a state where the pressing contact piece 45 is in contact with the electric device case 62. Becomes easy.
  • FIG. 3 shows a connector 2 according to the second embodiment of the present invention.
  • the electric wire 11 is formed as a concentric wire.
  • the electric wire 11 is formed by an inner conductor 31, an outer conductor 32 disposed on the outer periphery of the inner conductor 31 via an insulating inner skin, and an insulating outer skin 33 covered with the outer conductor 32.
  • the inner conductor 31 and the outer conductor 32 are drawn out by peeling the insulating outer skin 33 of the electric wire 11.
  • Plate-like terminals 3 and 3 are connected to the ends of the inner conductor 31 and the outer conductor 32, respectively.
  • the molded waterproof portion 6 is integrally formed with respect to the portion including the ends of the inner conductor 31 and the outer conductor 32. Since the inner conductor 31 and the outer conductor 32 are drawn from the electric wire 11 in a direction away from each other, the molded waterproof portion 6 includes a conductor covering portion 35 that surrounds the inner conductor 31 and the outer conductor 32 drawn from the electric wire 11, and the electric wire. 11 and a terminal cover portion 36 surrounding the lead portion (terminal) of the inner conductor 31 and the outer conductor 32. The conductor cover 35 and the terminal cover 36 are integrally formed.
  • the molded waterproof part 6 is thermoset in a state where the inner conductor 31, the outer conductor 32, the inner conductor 31 and the lead-out portion (terminal) of the outer conductor 32, and the plate terminals 3 and 3 are set in a mold. It is integrally formed by injecting and curing a functional elastomer. After the molded waterproof portion 6 is molded, the rear housing 14 is integrally molded with respect to the portion including the molded waterproof portion 6 in the electric wire 11 as in the first embodiment.
  • the shield shell 21 is formed by assembling the upper shell 41 and the undershell 42 with the holding brackets 49 and 49 and covers the rear connector 4.
  • the undershell 42 is formed with a pressing contact piece 45 having elasticity by inclination. Since the pressing contact piece 45 contacts the electric device case 62 and presses the electric device case 62 by the elastic force of the pressing contact piece 45, the shield shell 21 is fixed in close contact with the electric device case 62. Therefore, the rear connector 4 is reliably shielded from the outside. Since the undershell 42 is pressed toward the upper shell 41 by the elastic force of the pressing contact piece 45, the undershell 42 is in close contact with the upper shell 41. Thereby, the shielding property is further improved.
  • the shield shell 21 is attached to the electric device case 62 in a state where the pressing contact piece 45 is in contact with the electric device case 62. Therefore, the fixing work becomes easy.
  • FIG. 4 shows a modification of the present embodiment.
  • a cylindrical connection end 37 is integrally formed with the plate-like terminal 3 connected to the outer conductor 32.
  • the outer conductor 32 exposed by peeling the insulating sheath 33 of the electric wire 11 is inserted into the connection end 37, and the connection end 37 is connected to the outer conductor 32 by caulking or ultrasonic bonding.
  • the molded waterproof part 6 surrounding the terminal of the electric wire 11 is formed in a large diameter such that the terminal cover part 36 surrounds the connection end 37.
  • the shield share 21 is formed by assembling the upper shell 41 and the undershell 42 with the holding brackets 49 and 49 and covers the rear connector 4.
  • the undershell 42 is formed with a pressing contact piece 45 having elasticity by inclination. Since the pressing contact piece 45 contacts the electric device case 62 and presses the electric device case 62 by the elastic force of the pressing contact piece 45, the shield shell 21 is fixed in close contact with the electric device case 62. Therefore, the rear connector 4 is reliably shielded from the outside. Since the undershell 42 is pressed toward the upper shell 41 by the elastic force of the pressing contact piece 45, the undershell 42 is in close contact with the upper shell 41. Thereby, the shielding property is further improved.
  • FIG. 5 shows a connector 2 according to a third embodiment of the present invention.
  • the connector 2 according to the present embodiment is not formed by integrally molding the molded waterproof portion 6, but the rear connector 4 is molded in advance, and the electric wires 11, 11 and the plate-like terminals 3, 3 are assembled and the molded rear connector. These are arranged inside 4.
  • the electric wires 11 and 11 are formed as a two-core wire.
  • the rear housing 14 of the rear connector 4 is formed with an electric wire insertion cylinder 74 that accommodates the electric wires 11 and 11 and the plate terminals 3 and 3 connected to the ends of the electric wires 11 and 11, respectively.
  • the rear housing 14 is formed with a terminal accommodating chamber 73 for accommodating the female terminal 12.
  • the terminal accommodating chamber 73 communicates with the mating terminal insertion ports 19 and 19 of the housing front 17.
  • Waterproofing is given to the outer periphery of the electric wires 11 and 11 by attaching waterproof plugs 72 and 72.
  • Cylindrical shield members 71 and 71 into which the waterproof plugs 72 and 72 and the ends of the electric wires 11 and 11 are inserted are used.
  • the shield members 71 and 71 are inserted into the electric wire insertion cylinder 74 of the rear housing 14.
  • the shield shell 21 is formed by assembling the upper shell 41 and the undershell 42 with the holding brackets 49 and 49 and covers the rear connector 4.
  • the undershell 42 is formed with a pressing contact piece 45 having elasticity by inclination. Since the pressing contact piece 45 contacts the electric device case 62 and presses the electric device case 62 by the elastic force of the pressing contact piece 45, the shield shell 21 is fixed in close contact with the electric device case 62. Therefore, the rear connector 4 is reliably shielded from the outside. Since the undershell 42 is pressed toward the upper shell 41 by the elastic force of the pressing contact piece 45, the undershell 42 is in close contact with the upper shell 41. Thereby, the shielding property is further improved.
  • the shield shell 21 is attached to the electric device case 62 in a state where the pressing contact piece 45 is in contact with the electric device case 62. Therefore, the fixing work becomes easy.

Abstract

L'invention concerne une coque de protection (21) qui comprend : une coque supérieure (41) comportant une structure de fixation (44) qui doit être fixée à un boîtier d'appareil électrique (62) ; et une coque inférieure (42) qui doit être assemblée à la coque supérieure (41). La coque inférieure (42) comprend une pièce de contact par pression (45) qui presse le boîtier d'appareil électrique (62) en étant en contact avec le boîtier d'appareil électrique.
PCT/JP2013/079545 2013-10-31 2013-10-31 Structure de fixation de coque de protection WO2015063917A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/079545 WO2015063917A1 (fr) 2013-10-31 2013-10-31 Structure de fixation de coque de protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/079545 WO2015063917A1 (fr) 2013-10-31 2013-10-31 Structure de fixation de coque de protection

Publications (1)

Publication Number Publication Date
WO2015063917A1 true WO2015063917A1 (fr) 2015-05-07

Family

ID=53003561

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/079545 WO2015063917A1 (fr) 2013-10-31 2013-10-31 Structure de fixation de coque de protection

Country Status (1)

Country Link
WO (1) WO2015063917A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH037280U (fr) * 1989-06-09 1991-01-24
JP2011119120A (ja) * 2009-12-03 2011-06-16 Yazaki Corp Ｌ字型コネクタ
JP2012243558A (ja) * 2011-05-19 2012-12-10 Yazaki Corp コネクタ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH037280U (fr) * 1989-06-09 1991-01-24
JP2011119120A (ja) * 2009-12-03 2011-06-16 Yazaki Corp Ｌ字型コネクタ
JP2012243558A (ja) * 2011-05-19 2012-12-10 Yazaki Corp コネクタ

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