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
• • 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
  • H01R13/502—Bases; Cases composed of different pieces
  • H01R13/5025—Bases; Cases composed of different pieces one or more pieces being of resilient material
• • 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
  • H01R13/502—Bases; Cases composed of different pieces
  • H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
• • 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
  • H01R13/5221—Sealing means between coupling parts, e.g. interfacial seal having cable sealing means
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R2107/00—Four or more poles

Definitions

• the invention relates to a connector comprising two plug-in connector parts, according to the preamble of claim 1.
• a here affected, sealing connector is known to have a contact housing with chambers for contact elements and a mating contact housing with corresponding chambers for mating contact elements. Both contact housings are detachably plugged together in the direction of their longitudinal center axis. When mated, the two housings overlap with the facing areas, with the contact housing receiving the mating contact housing. In the facing this bottom wall, the contact housing is provided with plug holes for the mutually corresponding plug contacts, and the mating contact housing has plug holes in a formed in the interior and the bottom wall facing end wall. In the overlap region, an annular space is formed between the housings, in which an annular elastic seal is arranged. On the side facing away from the overlap area, the two housings are provided with cable bushings.
• EP 0 091 770 A2 discloses such a connector with two housing parts, in which a seal is designed as an axial seal, which is also radially compressed, and is arranged between a shoulder surface on the contact housing and one of these upstream boundary wall on the counter-contact housing.
• a seal engages in an annular receptacle or recess of one of the housing parts and is pressed or compressed transversely to the ring plane by means of a protruding collar on the other housing part when merging the two housing parts.
• the seal is radially expanded and pressed with its outer peripheral surface and its inner peripheral surface against the inner peripheral surface of the recess and the outer peripheral surface of the one housing part.
• the seal described therein is therefore compressed both axially and radially, wherein on the inner peripheral wall of the recess, a shoulder surface is required in order to compress the gasket axially.
• an electrical connector in which two in the direction of its longitudinal central axis releasably plugged together and latchable plug parts are provided.
• the one plug part is a housing in which chambers for contact elements and extending from the chambers to the rear cable feedthrough holes are arranged.
• the other plug part is a pot-shaped receiving housing, which has chambers for mating contact elements, and in which the housing is inserted upon mating of the plug parts, wherein in the end wall of the housing and the bottom wall of the receiving housing plug holes are provided for the mutually corresponding contact elements.
• annular elastic seal In between the peripheral surface of the housing and the inner peripheral surface of the receiving housing formed annular space an annular elastic seal is arranged, which is positioned between a shoulder surface on the housing and one of these upstream boundary wall.
• both the gasket and they receive Seal chamber axially delimiting boundary walls arranged on the housing, so that the size of the distance of the boundary walls from each other is substantially always the same and therefore can be easily adapted to the width of the seal.
• the seal between the housing and the receptacle housing is made by seating the seal with a radial interference between the inner peripheral surface of the receptacle housing and the outer peripheral surface of the housing.
• a sealed connector housing which has a contact housing with chambers for contact elements and a mating contact housing with chambers for mating contacts, which are releasably plugged together in the direction of their longitudinal central axis has.
• the contact housing and the mating contact housing overlap in the inserted state with the mutually facing areas so that the contact housing receives the mating contact housing.
• the connector housing described there also has in each case on the side facing away from the overlap region cable bushings and an annular elastic seal between the two contact housings in the overlapping region. The seal is firmly connected to the receiving contact housing and fills in the axial direction of a recess in the cable feedthrough side wall of the contact housing.
• the seal is further arranged on the outside of an on the cable throughput side wall of the contact housing integrally formed annular flange and formed opposite the mating contact housing as a radial seal.
• the seal also has peripherally circumferentially continuous grooves and formed by this seal webs.
• the mating contact housing described in DE 10 2007 024 475 A1 If the mating contact housing described in DE 10 2007 024 475 A1 is inserted into the contact housing, its wall engages in the annular gap formed in the contact housing and compresses the seal in the radial direction. In a nominal plug-in position, the annular end-face abuts. surface of the mating contact housing to the annular inner surface of the wall. In this position, the two housings are locked together, for which purpose on the outer sides of each other corresponding Verrastungs- elements are arranged.
• a connector according to the invention comprises two plug-in parts which can be plugged into one another with mutually adapted front housing parts and electrical contact elements which are adapted to one another, wherein the two front housing parts overlap at mutually facing regions in the assembled state.
• the two front housing parts by means of a arranged on the one front housing part sealing lip and by means of a respective other front housing part annular groove which is surrounded inwardly by annular peripheral sealing surfaces and outwardly by an annular circumferential collar , which seal when plugging the two connector parts resulting plug connection to the outside. Due to the interaction of said sealing lip, groove and collar results in the mating of two such connector parts a particularly good seal to the outside, in particular against splashing or the like.
• the ratio between the axial height or length of the sealing surface and the axial height h of the collar log tfiä- che hKragen in the range of 4/1 to 6/1. This results on the one hand in a very good sealing effect and on the other hand, a relatively low friction Conditional force both when mating the two connector parts as well as when loosening an existing connector.
• Said sealing effect at the same time low effort can be significantly improved that the one front housing part (200) of an elastically deformable, rubber-like material or material and the other front housing part (100) of a substantially non-elastically deformable, rigid Material or material are formed. This makes it easier to produce and release a positive and / or non-positive connection, wherein the sealing effect is already very efficient due to the elasticity of the softer material or material.
• the groove has a groove bottom radially outward Shen facing kinking, by means of which the sealing lip after the mating of the two connector parts radially au Shen elastic is biased. Because the resulting deformation or tilting in the region of the sealing lip results in an even more effective seal. The bending takes place preferably in the region of the height h Kra conditions of the collar, which can produce a particularly large elastic bias of the sealing lip.
• a connector in which the electrical contact elements of at least one plug part are arranged in a plug body may further be provided that the plug body outside an at least partially extending in the longitudinal direction of the plug part Au has touchkonturtechnik, which with a corresponding inner contour of the respective front housing part Merging the plug body and the front housing part cooperates so that there is a positive and / or frictional or non-positive connection.
• the plug parts each have a rear housing part which is separate from the front housing part at the respective cable end and which is formed by encapsulation and / or molding of a sprayable and / or moldable sealing material. As a result, the production of such a connector part is even more simplified.
• Figure 1 is an isometric view of a first connector part according to the invention of a connector affected here, in a view obliquely from above.
• Fig. 2 is an isometric view of a second connector part according to the invention of a connector concerned here, in a view obliquely from the front;
• Fig. 3 is an exploded isometric view of a first connector shown in Figure 1, in the state prior to assembly of a corresponding connector housing, a corresponding connector body and a connector provided for the cable harness.
• Fig. 4 is an isometric view of a first connector shown in Fig. 3 after assembly, but prior to attachment of a cable-side housing seal shown in Fig. 1;
• Fig. 5 is an exploded isometric view of a second connector part shown in Fig. 2, in the state prior to assembly of a corresponding connector housing, a corresponding connector body and provided for the connector harness;
• Figures 6a, b are isometric views of a second connector part shown in Figure 5 immediately after assembly ( Figure 6a) and after creating a cable-side seal ( Figure 6b).
• Fig. 7a, b illustrate the creation of a plug connection with plug parts shown in Fig. 4b and Fig. 6b;
• FIG. 8 shows a longitudinal section along the central axis of a plug connection already made according to FIG. 7b with plug parts shown in FIGS. 4b and 6b.
• a first connector part shown in FIG. 1 has a front housing part 100 and a rear housing part 105.
• the two housing parts 100, 105 are at their transition 1 10 hermetically sealed or in particular against sprayed water. The preparation of such a transition 10 will be described in more detail below.
• a first plug body 1 15 is arranged, which has four mating contact elements 120 in the present embodiment.
• the mating contact elements 120 cooperate with subsequently described contact elements of a second plug part, eg contact pins, together, in order to create with this a four-wire electrical connector.
• the plug body 1 15 and the mating contact elements 120 preferably correspond to a conventional plug.
• the first plug part accordingly corresponds in its operation to a so-called spring bar.
• the front housing part 100 enclosing the plug body 15 consists of a relatively soft plastic or rubber-like material and forms a sealing element both relative to said second plug part and to said plug body 1 15.
• the front housing part 100 has one below Detail described inner contour which engages in a Au on the Au OHseite of the plug body 1 15 arranged contouring or snaps, creating a mechanically stable and at least watertight connection between the plug body 1 15 and the front housing part 100 is formed.
• the front housing part 100 On the side accessible to the mating contact elements 120, the front housing part 100 has a sealing lip 125 that is visible in this illustration, the exact mode of operation of which will be explained in more detail below.
• the arranged on the cable-side end of the first connector part rear housing part 105 is formed in the present embodiment by a extrusion of the corresponding cable-side part of the plug body 1 15 of a moldable and / or sprayable sealing plastic or rubber. This encapsulation is used in particular for splashing waterproof enclosure of this part of the plug body and a in Fig. 1 only indicated wiring harness 130, which serves for electrical supply of the mating contact elements 120.
• a shown in Fig. 2 cooperating with a first connector shown in Fig. 1 second connector part also comprises a plug-side front housing part 200 and a cable-side rear housing part 205th
• the two housing parts 200, 205 are in particular sealed together against splash water at a seam 210.
• the production of such a sealing seam will be described in detail below.
• a plug body 215 is arranged, which is mounted firmly seated in the front housing part 200 in order to grant a said splash water protection on the front of the second plug part.
• the plug body 215 as contact elements four spring-mounted or unsprung mounted contact pins 220 in a conventional manner and accordingly corresponds in the operation of a male connector.
• the contact pins 220 engage in the corresponding mating contact elements 120, so that corresponding electrical connections are made.
• the plug members shown in Figures 1 and 2 cooperate in the manner described below to provide, after connecting two such plug members, a total of e.g. Provide splash-protected connector.
• the second plug part shown in Fig. 2 has a sealing collar 225 and a groove 230, wherein the collar 225 upon assembly of the second plug part and the first plug part over which acts as a sealing element front housing part 100 of the first plug part shown in FIG thereby to achieve a hermetic seal, in particular protected against splashing water.
• the collar 225 forming the front housing part of the second connector part is made of a relatively hard plastic, rubber, metal, or the like.
• the sealing effect results from the combination of said collar 225, the groove 230 and a sealing surface 235, in particular by the caused due to the elasticity of the front housing part of the first connector part dense concerns the inside of the said sealing surface 235 forming an outer side of the second connector part and the non-positive due to the elasticity concerns the sealing lip 125 of the first connector part on the groove 230 of the second connector part.
• the relative dimensions or size relationships between the height of the sealing surface 235 and the height of the collar 225 are for example at hDicht Chemistry / hKragen VOn 5/1.
• a recess or recess 240 for latching a corresponding latching element of the first plug part is arranged on both sides of the plug opening arranged on the front housing part 200, by means of which a named, with an elastic bias, detachable connection between the two plug parts is made possible.
• FIG. 3 With reference to Fig. 3 will be described how a first connector part shown in Fig. 1 is manufactured.
• the individual components are:
• a mounting element 300 is arranged in the present exemplary embodiment, in order in particular to assemble the assembly. manufacture of the front housing part 100 by, for example, latching.
• web-shaped in the present embodiment local contouring 305 of the plug body 1 15 engages or snaps a not shown here, substantially equal inner contour of the front housing part 100 a.
• lugs or detents Two laterally on the plug body 1 15 arranged lugs or detents, of which in the illustration only the one latch 310 can be seen, engage in merging or mating of the first plug part and the second plug part in a respective recess 240 of the second plug part.
• FIG. 4 shows a first plug part according to FIG. 3, after the assembly of the components shown in FIG. 3, but before the construction of a rear housing part 105 or a corresponding cable-side housing seal shown in FIG. 4 illustrates how a front housing part 100 having a sealing lip 125 is designed after assembly with a plug body 1 15 shown in FIG. 3 and corresponding mating contact elements 120. It can also be seen that a rear housing part 105 or the corresponding housing seal shown in FIG. 1 has not yet been arranged, so that the cable strand 130, and in particular the four electrical conductors or cables 320, are exposed to the outside without protection.
• a harness 510 again with four contact elements in the form of contact pins 220 and four corresponding, respectively to couple 505th combined or clamped electrical conductors 507, as well
• FIG. 6a shows a second plug part according to FIG. 5, after the assembly of the components shown in FIG. 5, but before the production of a rear housing part 205 or a corresponding cable-side housing seal shown in FIG.
• the front housing part 200 of the second plug part shown is formed or produced from a material or material which is harder than the front housing part 100 of the first plug part.
• the two connector parts can be put together without much effort. It should be noted, however, that the two front housing parts 100, 200 may be made of the same relatively hard or relatively soft material or material, which, however, requires either a deterioration compared to the first embodiment or requires a greater force when mating the two connector parts.
• FIG. 6a such as a front housing part 200 having a collar 225 and sealing surfaces 235, 235 'after assembly with a plug body 500 illustrated isometrically in FIG. 5 and corresponding, in this representation by the Au z Formation 235 'of the front housing part 200 hidden or not visible contact elements 220 is configured.
• a rear housing part 205 or the corresponding housing seal shown in FIG. 2 is not yet attached, so that the rear part of the plug body 500 and the cable strand 510 with the four electrical conductors 507 are still exposed to the outside exposed.
• Fig. 6b shows an isometric view of a finished according to Fig. 6a second connector part, in which already a rear housing part 205, e.g. by encapsulation with a suitable material mentioned was generated.
• a rear housing part 205 e.g. by encapsulation with a suitable material mentioned was generated.
• the above-mentioned, usually visible from the outside seam can be seen.
• FIGS. 7a and 7b show how a previously described, finished first plug part and a second plug part are plugged together to provide an electrical plug-in connection that is affected here and seals outwards.
• Fig. 7a shows the situation before mating and Fig. 7b, the already prepared connector.
• Fig. 7b shows the already prepared connector.
• all transitions are substantially hermetically sealed to the outside, in particular are protected against the ingress of spray water. These transitions are the transition between the respective rear housing parts to the respective cable strands 130, 510, the seams 1 10, 210 between the respective front and respectively rear housing parts and the plug contact region 700 between the two plug parts.
• FIG. 8 shows a longitudinal section produced along the central axis (or slightly offset laterally relative to the central axis) of a plug-in connection which has already been produced according to FIG. 7b, namely a connection cut to both sides of the plug-in connection. cut section of such a connector in a said plug contact area 700th
• FIG. 8 shows already described elements or components of the connector.
• the front housing part 100 of the first plug part, the first plug body 1 15 with the mating contact elements 120 and the sealing lip 125 arranged on the first plug part are shown.
• the left side are elements of the second plug part, namely the corresponding plug-side front housing part 200, the cable-side rear housing part 205, and the interface 210 at the junction or the transition between the two housing parts 200, 205.
• the contact pins 220 of the second connector part in the assembled state in the respective recesses 120 of the plug body 1 15 and ultimately in the mating contact sleeves 315 engage.
• FIG. 8 in particular, the aforementioned collar 225, the groove 230 and the sealing surface 235, 235 'are shown.
• the groove 230 formed by the collar 225 kinks 800 at the level of the collar edge.
• the front housing part 100 of the first plug part shown on the right is elastically deformed slightly radially outwardly in the region of the sealing lip 125
• This additional deformation or tilting in the region of the sealing lip 125 results in an improved seal, since in this way an elastically prestressed sealing line 810 spanning the annular groove 230 is formed in the radial inner region of the groove 230.
• Fig. 8 is also shown how the said height h Kra gene 815 of the collar 225 and the height h D i C htfikiee 820 of the sealing surface 235, 235 'are defined. It should be noted that the above-described arrangement of four Maishrs. Counter-contact elements is exemplary only and the present invention is also applicable to connectors with multiple or fewer contact elements.

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• Manufacturing Of Electrical Connectors (AREA)

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Family Applications (1)

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• 2014
  • 2014-12-15 DE DE102014118685.0A patent/DE102014118685A1/de not_active Withdrawn
• 2015
  • 2015-12-11 MX MX2017006056A patent/MX365544B/es active IP Right Grant
  • 2015-12-11 CN CN201580064931.0A patent/CN107223293A/zh active Pending
  • 2015-12-11 BR BR112017012111-5A patent/BR112017012111B1/pt not_active IP Right Cessation
  • 2015-12-11 US US15/535,813 patent/US10069237B2/en active Active
  • 2015-12-11 JP JP2017531669A patent/JP2018503224A/ja active Pending
  • 2015-12-11 WO PCT/DE2015/100532 patent/WO2016095904A1/de active Application Filing
  • 2015-12-11 EP EP15832683.5A patent/EP3235066A1/de not_active Withdrawn
  • 2015-12-11 KR KR1020177017316A patent/KR20170092593A/ko active IP Right Grant
  • 2015-12-11 CA CA2967081A patent/CA2967081C/en active Active
  • 2015-12-14 TW TW104141960A patent/TWI679818B/zh not_active IP Right Cessation
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  • 2017-04-19 IL IL251810A patent/IL251810B/en active IP Right Grant
• 2020
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