WO2013161341A1 - Connecteur résistant à l'eau - Google Patents

Connecteur résistant à l'eau Download PDF

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Publication number
WO2013161341A1
WO2013161341A1 PCT/JP2013/052152 JP2013052152W WO2013161341A1 WO 2013161341 A1 WO2013161341 A1 WO 2013161341A1 JP 2013052152 W JP2013052152 W JP 2013052152W WO 2013161341 A1 WO2013161341 A1 WO 2013161341A1
Authority
WO
WIPO (PCT)
Prior art keywords
male
female
seal
housing
pair
Prior art date
Application number
PCT/JP2013/052152
Other languages
English (en)
Japanese (ja)
Inventor
明洋 西尾
田端　正明
武史 相澤
児嶋　映二
悟史 森川
康平 高木
義裕 内山
和亜希 武田
貴志 外崎
Original Assignee
株式会社オートネットワーク技術研究所
住友電装株式会社
住友電気工業株式会社
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 株式会社オートネットワーク技術研究所, 住友電装株式会社, 住友電気工業株式会社 filed Critical 株式会社オートネットワーク技術研究所
Publication of WO2013161341A1 publication Critical patent/WO2013161341A1/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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal

Definitions

  • the present invention relates to a waterproof connector.
  • This connector includes a male housing and a female housing that can be fitted to each other.
  • the female housing includes a female terminal housing portion in which a female cavity into which a female terminal can be inserted is formed, and an outer cylinder portion surrounding the female terminal housing portion, and the outer peripheral surface of the female terminal housing portion is made of rubber. A seal ring is fitted.
  • the hood portion of the male housing enters between the seal ring and the outer cylinder portion of the female housing, and the seal ring is sandwiched between the hood portion and the female terminal accommodating portion.
  • a pair of male and female housings is sealed.
  • the seal ring since the seal ring is made of rubber, it is easily deformed. For this reason, there exists a possibility that a seal ring may be fitted by the outer peripheral surface of a female terminal accommodating part in the state deform
  • a regular wearing state regular shape and regular position
  • the present invention has been completed based on the above circumstances, and aims to prevent deterioration of waterproofness.
  • the waterproof connector of the present invention includes a pair of male and female housings that can be fitted to each other, and a synthetic resin that is sandwiched between a pair of opposing surfaces facing each other in the fitting direction in the pair of male and female housings to seal between the pair of male and female housings. And a sealing plate made of metal.
  • the seal plate is made of synthetic resin, it is less likely to be deformed than when it is made of rubber, and is sandwiched between a pair of opposing surfaces of a pair of male and female housings. The position shift to is regulated. Therefore, the seal plate can be held in a regular mounting state. In this way, the pair of male and female housings can be sealed by bringing the seal plate into contact with the pair of opposing surfaces.
  • the tab of the male terminal held by the male housing of the pair of male and female housings protrudes toward the female housing, and contacts the female terminal held by the female housing so that the male and female terminals are electrically connected.
  • the seal plate is provided with a through-hole through which the tab penetrates, and a cylindrical seal wall protrudes in the fitting direction at the hole edge of the through-hole. It is good also as a structure clamped between said pair of opposing surfaces. According to such a structure, between a pair of male and female housing can be sealed because a seal wall is clamped between a pair of opposing surfaces.
  • the female housing is provided with a female insertion hole through which the tab of the male terminal is inserted, and a tapered first guide surface is provided at the hole edge of the female insertion hole on the opposing surface of the female housing.
  • the seal wall may be in contact with the first guide surface. According to such a configuration, the tab of the male terminal can be guided into the female insertion hole by the first guide surface. Further, the sealing wall can be brought into contact with the first guide surface to stop the water.
  • the male housing is provided with a male insertion hole through which the tab of the male terminal is inserted, and a tapered second guide surface is provided at a hole edge portion of the male insertion hole on the opposing surface of the male housing.
  • the seal wall may be in contact with both the first guide surface and the second guide surface. According to such a configuration, the seal wall can be guided to the hole edge portion of the male insertion hole by the second guide surface. Further, the sealing wall can be brought into contact with the second guide surface to stop the water.
  • the male housing has a hood portion into which the female housing can be fitted.
  • the outer peripheral surface of the seal plate is brought into contact with the inner peripheral surface of the hood portion so that the seal plate is attached to the hood. It is good also as a structure in which the holding rib hold
  • a mounting recess is provided on the facing surface of the female housing, and a mounting convex portion that is mounted on the mounting recess and holds the seal plate on the facing surface of the female housing is provided on the seal plate.
  • the sealing plate can be held on the facing surface of the female housing by fitting the mounting convex portion into the mounting concave portion.
  • the mounting recess is provided in an annular shape around the female insertion hole, the mounting convex portion is provided in an annular shape so as to be insertable into the mounting recess, and the mounting convex portion and the mounting concave portion extend over the entire circumference. It is good also as a structure which mutually contacts. According to such a structure, a mounting
  • a tapered third guide surface may be provided at the hole edge of the through hole at the end of the seal wall on the male housing side.
  • Sectional drawing which showed the state before mounting
  • FIG. Sectional drawing which showed the state after attaching a sealing plate in the inside of the food
  • Sectional drawing which showed the state after fitting a pair of male and female housings Front view of seal plate Sectional drawing which showed the state before mounting
  • the waterproof connector C1 in the present embodiment includes a male housing 10 and a female housing 30 (a pair of male and female housings) that can be fitted to each other, and a seal plate 50 that seals between the housings 10 and 30 when fitted.
  • a male housing 10 and a female housing 30 a pair of male and female housings
  • a seal plate 50 that seals between the housings 10 and 30 when fitted.
  • the male housing 10 includes a male terminal accommodating portion 11 that accommodates the male terminal 20, and a hood portion 12 that can be externally fitted to the female housing 30.
  • a male cavity 13 in which the male terminal 20 can be inserted from the rear is formed inside the male terminal accommodating portion 11.
  • the rear portion of the male cavity 13 is sealed by being plugged by a rubber plug 21 attached to the male terminal 20.
  • a male lance 14 made of resin that can be elastically deformed in the vertical direction is formed on the upper wall of the male cavity 13.
  • the male lance 14 extends in a cantilevered manner toward the front, and a bending space S is formed on the upper side thereof.
  • the male lance 14 is elastically deformed upward by being pushed by the male terminal 20 in the middle of insertion and retracted into the bending space S, and when the male terminal 20 reaches a normal position, the male lance 14 is elastically restored downward to return to the male terminal 20. To prevent it from coming off.
  • a male insertion hole 15 through which the tab 22 of the male terminal 20 can be inserted is formed in the front end portion (front wall of the male cavity 13) of the male terminal accommodating portion 11 so as to penetrate in the front-rear direction.
  • the tab 22 of the male terminal 20 accommodated in the male cavity 13 projects forward (inside the hood portion 12) through the male insertion hole 15.
  • a second guide surface 17 is formed in the front portion of the male insertion hole 15 so that the opening size gradually increases toward the front end.
  • the hood portion 12 has a rectangular tube shape that opens forward, and a portion corresponding to the lock arm 37 provided in the female housing 30 is widened upward, whereby a step is formed on the upper wall of the hood portion 12. Is formed.
  • a lock receiving portion 18 projectingly locked by a lock projection portion 38 of a lock arm 37 described later is provided on the inner side surface of the hood portion 12. Since the lock projection 38 of the lock arm 37 and the lock receiving portion 18 of the hood portion 12 are locked, the male and female housings 10 and 30 are held in a properly fitted state.
  • the male terminal 20 is formed by bending a metal plate punched into a predetermined shape.
  • the tab 22 is elongated in the front-rear direction in order from the front side, and is in conductive contact with the mating female terminal 40, and a substantially box-shaped main body. Part 23 and a barrel part 24 to be crimped to the end of the electric wire W.
  • the male terminal 20 inserted into the male cavity 13 to the proper position is primarily locked and prevented from coming off by the locking projection of the male lance 14 being locked in the locking hole provided in the main body 23.
  • a retainer 19 attached from the side to the male terminal accommodating portion 11 is secondarily locked to the rear end corner of the main body portion 23 of the male terminal 20 inserted into the male cavity 13 to a proper position. As a result, the male terminal 20 is double-stopped together with the male lance 14.
  • the female housing 30 includes a female terminal accommodating portion 31 that can accommodate the female terminal 40 therein and can be fitted into the hood portion 12 of the male housing 10.
  • a female cavity 32 into which the female terminal 40 can be inserted from the rear is formed in the female terminal housing 31.
  • the rear portion of the female cavity 32 is sealed by being closed by a rubber plug 44 attached to the female terminal 40, similarly to the male cavity 13.
  • a female lance 33 is provided which elastically returns to the lower side and engages with the female terminal 40 to prevent it from coming off.
  • a female insertion hole 34 through which the tab 22 of the male terminal 20 can be inserted is formed in the front end surface of the female terminal accommodating portion 31 (the surface facing the male housing 10 and referred to as the female facing surface 35). It is formed to penetrate through.
  • a first guide surface 36 that is inclined so that the opening size gradually increases toward the front end is formed in the front portion of the female insertion hole 34, and when the male housing 10 and the female housing 30 are fitted, the male terminal 20.
  • the tab 22 is brought into contact with the first guide surface 36 from the front and guided to the inclination, and is guided into the female insertion hole 34, and is smoothly guided into the female cavity 32 from here and connected to the female terminal 40. It has become.
  • a cantilevered lock arm 37 is provided on the upper surface of the female terminal accommodating portion 31 so as to be elastically deformable in the vertical direction.
  • a lock projection 38 is provided so as to be opposed to the lock receiving portion 18 of the male housing 10 in the front-rear direction.
  • the female terminal 40 is formed by bending a metal plate punched into a predetermined shape, and in order from the front side, a main body portion 41 having a substantially box shape into which the tab 22 of the mating male terminal 20 is inserted; And a barrel portion 42 to be crimped to the terminal.
  • An elastic contact piece 43 is provided inside the main body 41 and is folded back from the front edge of the bottom plate.
  • the tab 22 of the male terminal 20 that has entered the inside of the main body 41 is elastically pinched between the elastic contact piece 43 and the ceiling plate of the main body 41 so that the male terminal 20 and the female terminal 40 are electrically connected. Connected.
  • the waterproof connector C is provided with a seal plate 50 that seals between the housings 10 and 30 when fitted.
  • the seal plate 50 is formed separately from the male housing 10 and the female housing 30, and is mounted and held in advance on the male facing surface 16 of the male housing 10 before the two housings 10 and 30 are fitted together. ing.
  • the seal plate 50 is formed of a synthetic resin material (for example, polypropylene or polybutylene terephthalate) that is harder than rubber. Although the seal plate 50 is harder than rubber, the seal plate 50 has enough elasticity to contact the housings 10 and 30 and seal between them.
  • a synthetic resin material for example, polypropylene or polybutylene terephthalate
  • the seal plate 50 includes a seal main body 51 having a substantially square plate shape along the male facing surface 16 and a pair of seal walls 52 and 53 protruding from the seal main body 51 in the fitting direction of the housings 10 and 30. I have. Of the pair of seal walls 52, 53, the seal wall protruding toward the male housing 10 is referred to as a male side seal wall 52, and the seal wall protruding toward the female housing 30 is referred to as a female side seal wall 53.
  • the seal body 51 is a plate having a size that covers almost the entire surface of the male facing surface 16 of the male housing 10 (the back end surface of the hood 12).
  • a pair of circular through holes 54 are formed side by side at the center of the seal body 51.
  • the tab 22 of the male terminal 20 can pass through the through hole 54 and protrude forward of the seal body 51.
  • the male side seal wall 52 has a cylindrical shape protruding from the hole edge of the through hole 54 to the rear side in the fitting direction, and the female side seal wall 53 protrudes from the hole edge of the through hole 54 to the front side in the fitting direction. It has a cylindrical shape.
  • the through hole 54 has an opening size smaller than the opening size (maximum opening size) at the front end of the first guide surface 36 and larger than the opening size (minimum opening size) at the rear end of the first guide surface 36. is doing. Similarly, the through hole 54 is smaller than the opening size (maximum opening size) at the front end of the second guide surface 17 and larger than the opening size (minimum opening size) at the rear end of the second guide surface 17. Have dimensions.
  • the seal walls 52 and 53 are formed symmetrically about the seal body 51. Further, the inner peripheral surfaces of the seal walls 52 and 53 are configured to be flush with the inner peripheral surface of the through hole 54 and extend in the fitting direction. On the other hand, the outer peripheral surfaces of the seal walls 52 and 53 are formed in a tapered shape that approaches the axial center side of the through hole 54 as the distance from the seal body 51 increases. Further, when the seal plate 50 is sandwiched between the opposing surfaces 16 and 35, the outer peripheral surface of the male side seal wall 52 contacts the first guide surface 36 over the entire periphery, and the female side seal wall 53 The outer peripheral surface is in contact with the second guide surface 17 over the entire periphery.
  • the space between the female housing 30 and the seal plate 50 is sealed, and the space between the male housing 10 and the seal plate 50 is sealed. Therefore, the space spanning the male cavity 13, the male insertion hole 15, the through hole 54, the female insertion hole 34, and the female cavity 32 is a water-stopped space.
  • a plurality of holding ribs 55 are formed on the outer periphery of the seal body 51 as shown in FIG. These holding ribs 55 are arranged on four sides, two on each side, and are arranged at substantially equal intervals on the outer periphery of the seal body 51. Therefore, when the seal plate 50 is mounted inside the hood portion 12, each holding rib 55 comes into contact with the inner peripheral surface of the hood portion 12, so that the seal plate 50 can be held inside the hood portion 12.
  • the seal plate 50 is mounted inside the hood portion 12 of the male housing 10 prior to the fitting of the housings 10 and 30.
  • the seal plate 50 moves within the hood portion 12 while maintaining its shape as a single unit, and the male side seal wall 52 eventually becomes the second as shown in FIG. It abuts on the guide surface 17.
  • the holding ribs 55 are in contact with the inner peripheral surface of the hood portion 12 at substantially equal intervals.
  • the mounting of the seal plate 50 on the male housing 10 is completed.
  • the through holes 54 and 54 of the seal body 51 are arranged coaxially with the male insertion holes 15 and 15, and the male side seal wall 52 contacts the second guide surface 17 over the entire circumference. It will be in contact.
  • the seal plate 50 made of a synthetic resin harder than rubber is used to seal between the housings 10 and 30, so that the positional deviation and deformation of the seal plate 50 can be eliminated. It is possible to prevent a decrease in waterproofness due to the displacement or deformation of the seal member. Thereby, between both the housings 10 and 30 can be sealed reliably.
  • the seal plate 50 can be held in the hood portion 12 in advance, it is easy to fit the housings 10 and 30 together.
  • the seal walls 52 and 53 of the seal plate 50 are brought into contact with the guide surfaces 17 and 36 to sandwich the seal plate 50, the seal body 51 is brought into contact with the opposing surfaces 16 and 35. Sealing can be performed with a stronger contact pressure than when the sealing plate 50 is sandwiched.
  • the waterproof connector C2 in the present embodiment is obtained by partially changing the configuration of the seal plate 50 of the waterproof connector C1 in the first embodiment, and the description of the same configuration, operation, and effect as in the first embodiment is omitted. .
  • the same reference numerals are used for the same configurations as those in the first embodiment.
  • the seal plate 60 of the present embodiment includes a seal main body 61, a male seal wall 62 formed to protrude from the hole edge of the through hole 64 of the seal main body 61 toward the front side in the fitting direction, A female-side seal wall 63 formed to protrude rearward in the fitting direction from the hole edge of the through-hole 64 of the seal body 61, and is formed near the outer periphery of the seal body 61 in an arrangement surrounding the female-side seal wall 63.
  • An outer peripheral seal wall 65 and the like are provided.
  • the outer peripheral surfaces of the seal walls 62 and 63 are formed in a tapered shape that approaches the axial center side of the through hole 64 as the distance from the seal body 61 increases.
  • the inner peripheral surfaces of the seal walls 62 and 63 are formed in a tapered shape that is farther away from the axis of the through hole 64 as the distance from the seal body 61 increases.
  • the inner peripheral surface of the male-side seal wall 62 is a third guide surface 66 that guides the tab 22 of the male terminal 20 into the through hole 64.
  • the outer peripheral seal wall 65 protrudes rearward in the fitting direction from the female side seal wall 63.
  • the front end portion of the inner peripheral surface of the outer peripheral seal wall 65 is connected to the rear surface of the seal body portion 61 (the surface facing the female facing surface 35), while the rear end portion of the inner peripheral surface of the outer peripheral seal wall 65 is A lip 67 is provided around.
  • the lip 67 has a semicircular cross section and projects radially inward.
  • a seal groove 39 is provided on the female facing surface 35 so as to open to the front side in the fitting direction.
  • the seal groove 39 is annularly provided around the female insertion hole 34 as a center.
  • the outer peripheral seal wall 65 is provided in an annular shape so that it can be inserted into the seal groove 39. When the outer peripheral seal wall 65 is inserted into the seal groove 39, the lip 67 of the outer peripheral seal wall 65 contacts the peripheral surface constituting the seal groove 39 over the entire circumference. Thereby, the space between the seal plate 60 and the female housing 30 is sealed.
  • the seal main body 61 In the state where the outer peripheral seal wall 65 is fitted in the seal groove 39, the seal main body 61 is held on the female facing surface 35 as shown in FIG. In this state, although the first guide surface 36 is covered with the seal plate 60, the third guide surface 66 faces the fitting surface side, so that when the housings 10 and 30 are fitted together, The tab 22 of the terminal 20 is drawn into the through hole 64 by the third guide surface 66. Then, the tab 22 of the male terminal 20 is guided to the female insertion hole 34 through the through hole 64 and is guided to the inside of the main body 41 of the female terminal 40 as it is.
  • the first in the female facing surface 35 is The region between the guide surface 36 and the seal groove 39 can be sealed over the entire circumference.
  • the sealing is performed at the two locations of the seal walls 62 and 63 and the outer peripheral seal wall 65, the waterproof performance can be improved. Further, since the seal plate 60 can be held in advance on the female facing surface 35, the fitting operation of both the housings 10 and 30 is easy. Further, the tab 22 of the male terminal 20 can be guided into the through hole 64 by the third guide surface 66.
  • each seal wall is abutted against each guide surface for sealing.
  • the seal main body portion may be abutted against each opposing surface for sealing.
  • the seal plate is held in advance in either one of the two housings.
  • it is not necessary to hold the seal plate in either one of the two housings.
  • the second embodiment exemplifies the case where both the holding function and the sealing function are exhibited by the fitting of the outer peripheral seal wall 65 (mounting convex portion) and the seal groove 39 (mounting concave portion), it is according to the present invention. And it is good also as what exhibits only a holding

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Abstract

La présente invention concerne un connecteur résistant à l'eau (C1) caractérisé par le fait qu'il présente une configuration ayant : une paire de boîtiers mâle/femelle pouvant s'accoupler mutuellement (10, 30) ; et une plaque d'étanchéité en résine synthétique (50) qui est prise en sandwich entre une paire de surfaces en vis-à-vis (16, 35) faisant face à la direction de mise en prise de la paire de boîtiers mâle/femelle (10, 30) et des joints d'étanchéité entre la paire de boîtiers mâle/femelle (10, 30). Grâce à cette configuration, la plaque d'étanchéité (50) : est, étant fabriquée en résine synthétique, moins susceptible de se déformer que si elle était fabriquée en caoutchouc ; et, grâce à la prise en sandwich entre la paire de surfaces en vis-à-vis (16, 35) de la paire de boîtiers mâle/femelle (10, 30), a supprimé un déplacement de position de celle-ci dans la direction de mise en prise. La plaque d'étanchéité (50) peut donc être maintenue dans l'état de fixation normale. Par conséquent, la paire de boîtiers mâle/femelle (10, 30) peut être scellée en amenant la plaque d'étanchéité (50) en contact avec la paire de surfaces en vis-à-vis (16, 35).
PCT/JP2013/052152 2012-04-25 2013-01-31 Connecteur résistant à l'eau WO2013161341A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-099898 2012-04-25
JP2012099898A JP5729350B2 (ja) 2012-04-25 2012-04-25 防水コネクタ

Publications (1)

Publication Number Publication Date
WO2013161341A1 true WO2013161341A1 (fr) 2013-10-31

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Application Number Title Priority Date Filing Date
PCT/JP2013/052152 WO2013161341A1 (fr) 2012-04-25 2013-01-31 Connecteur résistant à l'eau

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JP (1) JP5729350B2 (fr)
WO (1) WO2013161341A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2947723A1 (fr) * 2014-05-20 2015-11-25 Sick Ag Connecteur électrique á fiche
US9831595B2 (en) 2015-02-25 2017-11-28 Yazaki Corporation Connector waterproofing structure
US9979125B2 (en) 2015-02-25 2018-05-22 Yazaki Corporation Fitting structure of connector

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112018003427B1 (pt) 2015-08-31 2023-02-28 Honda Motor Co., Ltd. Estrutura impermeável para um conector
JP6271604B2 (ja) 2016-01-07 2018-01-31 矢崎総業株式会社 コネクタの防水構造
JP6738660B2 (ja) 2016-06-15 2020-08-12 矢崎総業株式会社 コネクタの防水構造
JP2018133276A (ja) * 2017-02-17 2018-08-23 株式会社オートネットワーク技術研究所 コネクタ

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JP2001244017A (ja) * 2000-02-25 2001-09-07 Yazaki Corp コネクタ結合構造
JP2001257028A (ja) * 2000-03-10 2001-09-21 Yazaki Corp コネクタ結合構造
JP2002134218A (ja) * 2000-10-23 2002-05-10 Auto Network Gijutsu Kenkyusho:Kk コネクタ
JP2003031294A (ja) * 2001-07-12 2003-01-31 Ryosei Electro-Circuit Systems Ltd 防水コネクタ
JP2011517017A (ja) * 2008-03-31 2011-05-26 ワールプール・エシ・ア 冷凍圧縮機における電気供給ケーブルの取り付けの構成

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JPH04132178A (ja) * 1990-09-20 1992-05-06 Hino Motors Ltd 電気コネクタ
JP2001076806A (ja) * 1999-09-07 2001-03-23 Auto Network Gijutsu Kenkyusho:Kk コネクタ
JP2002093514A (ja) * 2000-09-12 2002-03-29 Auto Network Gijutsu Kenkyusho:Kk コネクタ
JP4791292B2 (ja) * 2006-08-28 2011-10-12 矢崎総業株式会社 防水コネクタ

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Publication number Priority date Publication date Assignee Title
JP2001244017A (ja) * 2000-02-25 2001-09-07 Yazaki Corp コネクタ結合構造
JP2001257028A (ja) * 2000-03-10 2001-09-21 Yazaki Corp コネクタ結合構造
JP2002134218A (ja) * 2000-10-23 2002-05-10 Auto Network Gijutsu Kenkyusho:Kk コネクタ
JP2003031294A (ja) * 2001-07-12 2003-01-31 Ryosei Electro-Circuit Systems Ltd 防水コネクタ
JP2011517017A (ja) * 2008-03-31 2011-05-26 ワールプール・エシ・ア 冷凍圧縮機における電気供給ケーブルの取り付けの構成

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2947723A1 (fr) * 2014-05-20 2015-11-25 Sick Ag Connecteur électrique á fiche
US9831595B2 (en) 2015-02-25 2017-11-28 Yazaki Corporation Connector waterproofing structure
US9979125B2 (en) 2015-02-25 2018-05-22 Yazaki Corporation Fitting structure of connector

Also Published As

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JP5729350B2 (ja) 2015-06-03
JP2013229168A (ja) 2013-11-07

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