WO1987005157A1 - Boitier de connecteur etanche a l'eau - Google Patents

Boitier de connecteur etanche a l'eau Download PDF

Info

Publication number
WO1987005157A1
WO1987005157A1 PCT/US1987/000401 US8700401W WO8705157A1 WO 1987005157 A1 WO1987005157 A1 WO 1987005157A1 US 8700401 W US8700401 W US 8700401W WO 8705157 A1 WO8705157 A1 WO 8705157A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
holes
bush
cavity
projections
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/US1987/000401
Other languages
English (en)
Inventor
Toshimitsu Sonobe
Masahiro Yamamoto
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.)
ABB Installation Products Inc
Original Assignee
Thomas and Betts 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
Priority claimed from JP61038377A external-priority patent/JPH0614472B2/ja
Priority claimed from JP11910286A external-priority patent/JPS62241277A/ja
Application filed by Thomas and Betts Corp filed Critical Thomas and Betts Corp
Priority to DE8787901947T priority Critical patent/DE3775860D1/de
Publication of WO1987005157A1 publication Critical patent/WO1987005157A1/fr
Priority to KR1019880700150A priority patent/KR880701420A/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • H01R13/5208—Sealing means between cable and housing, e.g. grommet having at least two cable receiving openings

Definitions

  • This invention relates to a housing assembly for use in a water seal connector.
  • BACKGROUND OF THE INVENTION Recently, many electronic devices have been designed with connectors for the purpose of electrically coupling multiple wires of moduled or packaged members. This design was developed for the purpose of convenience in exchanging members needing repair, or for inserting optional members, or in deference to the spatial arrangement of members. This type of design di sadvantageously results in a number of problems in certain operating environments.
  • the invention is directed to a housing assembly for use in a water seal connector comprising a rubber bush having a plurality of through holes for inserting contacts respectively therethrough, and a housing defining a cavity therein for receiving and sealably supporting the rubber bush therein.
  • the housing has a plurality of holes at the bottom of the cavity arranged to be in alignment with the holes in the rubber bush, the holes being adapted to receive and hold the contacts therein.
  • the cavity bottom and a side surface of the rubber bush adjacent the cavity bottom comprise cooperative means for maintaining the alignment of the holes in the bush and the holes in the cavity bottom when one or more contacts are respectively inserted through the bush holes into the housing holes.
  • Fig. 2 is a cross-sectional view showing the connection configuration of the connector illustrated in Fig. 1.
  • Fig. 3 is an exploded view showing a cap housing of the connector illustrated in Fig. 1.
  • Fig. 4A is a partially cutaway view showing a receptacle contact of the connector.
  • Fig. 4B is a view of taken on line A-A of Fig. 4A.
  • Fig. 5A is an exploded view showing another embodiment of the receptacle contact according to the present invention.
  • Fig. 5B is a cross-sectional view showing one configuration of the receptacle contact.
  • Fig. 6 is a perspective view showing a rear side of a rubber bush.
  • the water sealed connector as shown in Figure 1, comprises multiple, generally tubular bodied receptacle contacts (10) terminating to a wire (100); multiple plug housings (20) housing the receptacle contacts; a cap housing (30) equipped with multiple pin contacts (200) that electrically connect with the receptacle contacts and receive the multiple plug housings.
  • housing holes (21) have been drilled to hold the multiple receptacle contacts in place.
  • multiple pin contacts have been placed in an arrangement so as to be in alignment with receptacle contacts inside the cavity (31) designed to accept the plug housing.
  • Each receptacle contact is maintained in place in the housing hole (21) after insertion through the through hole (41) of the rubber bush (40) that is fixedly inserted into the plug housing.
  • Pin contacts protrude after insertion through the bottom of each cavity of the cap housing.
  • the protrusions form a terminal and connect to a printed circuit board, for example.
  • Figure 2 is a cross-section of the connected plug housing and cap housing, showing receptacle and pin contact, establishing electrical flow.
  • the receptacle contact connects at its tip with the ferrule (sleeve) (14) to form a stepped portion (13).
  • the ferrule engages with a lance-shaped member, a pair of top and bottom spear-shaped projections being disposed in the housing hole.
  • the stepped portion (13) is formed in one of two alternatives. One is to bend back the top area of the contact itself. The other is to enlarge the material of the end tip of the contact. ' The lance has a spear-like shape, with its tip a free end terminal along the part of the side wall of the housing hole towards the shaft direction of said hole. The lance tip engages with the stepped portion of the ferrule and serves to hold the receptacle contact inside the housing hole.
  • a rubber bush (40) preferably composed of heat resistant silicone rubber penetrated with oil to reduce insert resistance is provided.
  • the side wall of the rubber bush has a number of integral ridges (42) that function as seal rings to provide seal ing.
  • multiple projections (24) are disposed at the bottom of the cavity (23) of the plug housing which accepts the rubber bush (40). As will be mentioned later, these projections facilitate easy insertion of the contacts into through holes.
  • FIG. 6 represents a rubber bush with recesses for contact with projections, as shown.
  • the projections are arranged in a regular pattern around the contact holes.
  • such pattern is not always necessary.
  • the height of the projections need not be uniform, but may vary.
  • the recesses in the rubber bush are not limited in number or in depth. Recesses without corresponding projections can be provided as well.
  • the numeral (25) represents a locking spring built into the top of the plug housing.
  • the locking spring composed of metal, is designed in the shape of an "s" as shown in Figure 2.
  • One side of the "bent” end (256) is designed to be fitted into the groove (26) built into the top of the housing.
  • the other "bent" end of the locking spring (25a) functions as a handle.
  • Both sides of the locking spring are flanked by guiding walls (28). These are designed to eliminate problems such as wires interfering with the spring when inserting the plug housing into the cap housing.
  • the guiding wal ls function to determine the insert direction of the plug housing, eliminating any mistakes in insertion direction.
  • the numeral (50) represents a seal ring, preferably composed of heat resistant silicone rubber and coated with oil in the fashion as the rubber bush.
  • Figure 3 presents a detailed view of the cap housing, with multiple pin contacts arranged alternately in a staggered pattern of three rows. As shown in Figure 2, each pin contact protrudes from a through capacitor (33). One side of the pole of the through capacitor is soldered onto the grounding plate (34) that covers the back of the cap housing. This capacitor functions as a filter to prevent external electrical noise.
  • Element (35) functions to align the leads of the pin contacts, as is well known.
  • Figure 4A and Figure 4B show an example of receptacle contact in the usage of this invention.
  • Numeral (10a) shows the generally tubular conductive main body. The main body is tubular to facilitate insertion of the contact with ease. The design also allows for a more dense concentration of contacts within the housing.
  • Numeral (11) is a means to electrically connect the wire to the connector. In this example as shown by the figure, the wire is fixed by pressure, such as crimping.
  • connecting device (12) comprises at least a pair of leaf springs with free ends defined by a groove along the direction of the main core shaft of the mainbody. The tips of the pair of leafsprings are staggered towards each other as shown in Figure 4A.
  • the pin contacts receptacle contact in two steps, facilitating insertion. Even if the pin is not aligned with the spring, the spring will still receive the pin. Furthermore, it will eliminate permanent distortion of the spring due to over stress of the spring.
  • Numeral (14) represents the ferrule (sleeve) covering the tip of the main body.
  • the corner, namely the tip of the ferrule, is beveled, as shown in Figure 4A, so as to minimize damage to the rubber bush (40) when inserting the contact into the through hole (41).
  • the ferrule has a notch (14a) on its side wall designed to position it to the main body.
  • the ferrule being of material different from the mainbody material, functions to strengthen the tip of the contact mainbody.
  • the stepped portion (13) made by the ferrule and the mainbody serves as a stopping device for the lance set up in the housing hole of the housing.
  • the projections, set at the bottom of the cavity of the housing accepting the rubber bush function so as to prevent distortion of the holes when the contact end of the wire is inserted through the through hole of rubber bush. Consequently, the contact is easily inserted into the through hole despite the arrangement of the holes or the size of the wire to be connected. As a result, less effort is required. Accordingly, the preferred embodiments are provided in an illustrative rather than in a limiting sense, the true scope of the invention being set forth in the claims appended hereto.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Abstract

Un boîtier de connecteur comprend un logement définissant une cavité recevant et contenant de manière étanche une douille en caoutchouc. La douille en caoutchouc présente une pluralité de trous traversants dans lesquels sont introduits les contacts. Le logement présente également une pluralité de trous du fond de la cavité, les trous du logement étant alignés avec les trous de la douille. Le fond de la cavité comprend une pluralité d'éléments en saillie destinés à s'engager dans des évidements formés sur la surface de la douille à proximité du fond de la cavité. Cet engagement permet de réduire au minimum la déformation des trous de la douille lorsque l'extrémité de contact du câble est introduite à travers les trous de la douille dans les trous du logement.
PCT/US1987/000401 1986-02-25 1987-02-25 Boitier de connecteur etanche a l'eau Ceased WO1987005157A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE8787901947T DE3775860D1 (de) 1986-02-25 1987-02-25 Gehaeuseeinrichtung fuer einen wasserdichten steckverbinder.
KR1019880700150A KR880701420A (ko) 1986-06-12 1988-02-11 코 인 분 류 기

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP61038377A JPH0614472B2 (ja) 1986-02-25 1986-02-25 コネクタ
JP61/38377 1986-02-25
JP61/119102 1986-05-26
JP11910286A JPS62241277A (ja) 1986-05-26 1986-05-26 防水コネクタ用ハウジング・アセンブリ

Publications (1)

Publication Number Publication Date
WO1987005157A1 true WO1987005157A1 (fr) 1987-08-27

Family

ID=26377620

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1987/000401 Ceased WO1987005157A1 (fr) 1986-02-25 1987-02-25 Boitier de connecteur etanche a l'eau

Country Status (3)

Country Link
EP (1) EP0258414B1 (fr)
DE (1) DE3775860D1 (fr)
WO (1) WO1987005157A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5145410A (en) * 1990-08-06 1992-09-08 Yazaki Corporation Waterproof connector
US5181863A (en) * 1991-04-29 1993-01-26 Itt Corporation Emi shielding backshell system
FR2692728A1 (fr) * 1992-06-22 1993-12-24 Souriau & Cie Passe-fils d'étanchéité et connecteurs électriques comportant un tel passe-fils.
US5645451A (en) * 1994-04-01 1997-07-08 Yazaki Corporation Waterproof tap for a connector
EP0791985A1 (fr) * 1996-02-21 1997-08-27 The Whitaker Corporation Connecteur électrique étanche
US5720629A (en) * 1996-10-16 1998-02-24 The Whitaker Corporation Sealed electrical connector
US6059594A (en) * 1998-10-30 2000-05-09 The Whitaker Corporation Sealed electrical connector
US6254439B1 (en) 1998-09-10 2001-07-03 Yazaki Corporation Female type terminal, assembling method of female type terminal, and connector for female type terminal
US6409541B1 (en) 2000-11-02 2002-06-25 Autonetworks Technologies, Ltd. Waterproof structure in cable insertion section, method of manufacturing the same, and die for waterproof molding
EP1592090A1 (fr) * 2004-04-28 2005-11-02 Tyco Electronics AMP K.K. Joint d'étanchéité pour connecteur étanche et connecteur étanche
WO2009090470A3 (fr) * 2008-01-14 2009-09-24 Lincoln Global, Inc. Connecteur étanche
US9054437B2 (en) 2011-06-02 2015-06-09 Yazaki Corporation Terminal fitting

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784959A (en) * 1971-11-10 1974-01-08 Deep Oil Technology Inc Self-healing electrical connector means
EP0072104A1 (fr) * 1981-07-23 1983-02-16 AMP INCORPORATED (a New Jersey corporation) Connecteur électrique scellé

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784959A (en) * 1971-11-10 1974-01-08 Deep Oil Technology Inc Self-healing electrical connector means
EP0072104A1 (fr) * 1981-07-23 1983-02-16 AMP INCORPORATED (a New Jersey corporation) Connecteur électrique scellé

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5145410A (en) * 1990-08-06 1992-09-08 Yazaki Corporation Waterproof connector
US5181863A (en) * 1991-04-29 1993-01-26 Itt Corporation Emi shielding backshell system
FR2692728A1 (fr) * 1992-06-22 1993-12-24 Souriau & Cie Passe-fils d'étanchéité et connecteurs électriques comportant un tel passe-fils.
EP0576324A1 (fr) * 1992-06-22 1993-12-29 Framatome Connectors International Passe-fils d'étanchéité et connecteur électrique comportant un tel passe-fils
US5645451A (en) * 1994-04-01 1997-07-08 Yazaki Corporation Waterproof tap for a connector
EP0791985A1 (fr) * 1996-02-21 1997-08-27 The Whitaker Corporation Connecteur électrique étanche
US5720629A (en) * 1996-10-16 1998-02-24 The Whitaker Corporation Sealed electrical connector
US6254439B1 (en) 1998-09-10 2001-07-03 Yazaki Corporation Female type terminal, assembling method of female type terminal, and connector for female type terminal
US6059594A (en) * 1998-10-30 2000-05-09 The Whitaker Corporation Sealed electrical connector
US6409541B1 (en) 2000-11-02 2002-06-25 Autonetworks Technologies, Ltd. Waterproof structure in cable insertion section, method of manufacturing the same, and die for waterproof molding
US6485334B2 (en) 2000-11-02 2002-11-26 Autonetworks Technologies, Ltd. Waterproof structure in cable insertion section, method of manufacturing the same, and die for waterproof molding
US6709253B2 (en) 2000-11-02 2004-03-23 Autonetworks Technologies, Ltd. Die for waterproof molding
EP1592090A1 (fr) * 2004-04-28 2005-11-02 Tyco Electronics AMP K.K. Joint d'étanchéité pour connecteur étanche et connecteur étanche
WO2009090470A3 (fr) * 2008-01-14 2009-09-24 Lincoln Global, Inc. Connecteur étanche
US9054437B2 (en) 2011-06-02 2015-06-09 Yazaki Corporation Terminal fitting

Also Published As

Publication number Publication date
EP0258414A1 (fr) 1988-03-09
EP0258414B1 (fr) 1992-01-08
DE3775860D1 (de) 1992-02-20

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