EP2656449A1 - Water proof connector assembly - Google Patents

Water proof connector assembly

Info

Publication number
EP2656449A1
EP2656449A1 EP11817533.0A EP11817533A EP2656449A1 EP 2656449 A1 EP2656449 A1 EP 2656449A1 EP 11817533 A EP11817533 A EP 11817533A EP 2656449 A1 EP2656449 A1 EP 2656449A1
Authority
EP
European Patent Office
Prior art keywords
sealing
connector
connector assembly
actuating leg
mate assist
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.)
Granted
Application number
EP11817533.0A
Other languages
German (de)
French (fr)
Other versions
EP2656449B1 (en
Inventor
Claudia Schulz
Klaus Mueller
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.)
Delphi International Operations Luxembourg SARL
Original Assignee
Delphi Connection Systems Holding France SAS
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 Delphi Connection Systems Holding France SAS filed Critical Delphi Connection Systems Holding France SAS
Publication of EP2656449A1 publication Critical patent/EP2656449A1/en
Application granted granted Critical
Publication of EP2656449B1 publication Critical patent/EP2656449B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62905—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances comprising a camming member
    • H01R13/62911—U-shaped sliding element
    • 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
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62905—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances comprising a camming member
    • H01R13/62927—Comprising supplementary or additional locking 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
    • 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
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the present invention relates to a water proof connector assembly and in particular to a water proof door to body connector assembly for automotive applications.
  • door to body connectors for passenger cars which typically are used to connect electrical components placed in car doors, such as door locks, door airbags, etc. to corresponding control electronics, have to be provided with reliable sealing means.
  • Such connectors usually are placed in the junction in between a car body and the car door and can therefore be exposed to environmental humidity and moisture as car doors are opened and closed regularly.
  • a connector assembly to be used for example in automotive door to body applications is described in the international patent application WO 2004/047234 Ai.
  • a connector and a corresponding counter connector are described which can be mutually connected through an aperture in a panel, which can for example be part of a car door or body.
  • the transition in between each connector and the panel can be sealed off by means of a seal surrounding the aperture in the panel. In mated condition of the assembly, due to this seal, humidity or moisture cannot enter the assembly through said transition in between the connectors and the panel.
  • a further example of a water proof connector assembly which can be used as a door to body connector assembly, is described in the European patent application EP 1 318 570 Ai.
  • a connector assembly is described with a connector and a counter connector, which can be mated to each other through an aperture in a panel, whereby the mating can be supported by the use of a mate assist device in form of a mate assist lever.
  • the EP'570 provides a connector assembly which is sealed against humidity or moisture, whereby the assembly is provided with sealing elements in between the connector housings which upon mating of the connector housings are compressed only in directions perpendicular to the direction of mating the housings. Thereby, resilient forces or restoring forces which would act against the mating of the connector housings are avoided. Such resilient forces counteracting the connector mating can for example arise, when sealing members are compressed in between housing components in mating direction of the housings.
  • the EP'528 also relates to a connector assembly, whereby a connector can be connected to a counter connector through an aperture in a panel.
  • the connector mating is facilitated by means of a mate assist slider, which for this purpose can be inserted into a housing of the connector.
  • cam grooves provided in actuating legs of the mate assist slider can interact with corresponding cam pins of the counter connector to assist the connector mating by means of a lever action.
  • the connector assembly disclosed in the EP'528 is provided with sealing means to seal the connector assembly against humidity and moisture.
  • the connector assembly disclosed in the EP'528 is provided with sealing rings which in mated condition of the assembly are placed around said cam pins in between corresponding faces of the counter connector and side walls of the connector housing. Thereby, in mated condition of connector and counter connector, the interior of the connectors is sealed against humidity.
  • these sealing rings are complicated to assemble and they act against the mating direction.
  • a connector assembly comprising a connector housing and a mate assist slider is provided.
  • the connector housing is adapted to be connected to a corresponding counter connector, in a preferred embodiment through an aperture in a panel.
  • the connector assembly can for example be used as a door to body connector for automotive applications, for example to connect an electronic door lock, an airbag, etc., provided in a door of a passenger car to corresponding electronics which typically are placed in the body of the car.
  • the mate assist slider is arranged movable between an open and a closed position on the connector housing, whereby the mate assist slider is adapted to interact with the counter connector upon moving from its open position towards its closed position to support mating of the counter connector and the connector housing.
  • the mate assist slider comprises a base portion and at least one actuating leg extending from the base portion, whereby the actuating leg is adapted to be inserted at least partially into the connector housing through at least one corresponding aperture when the mate assist slider is moved towards its closed position.
  • Said aperture can for example be an opening in the connector housing or the opening of a guiding channel for the actuating leg, which channel can for example be provided in side walls of the connector housing.
  • the actuating leg of the mate assist slider preferably is provided with cam grooves such that when the mate assist slider is placed in its open position in or on the connector housing, upon inserting the counter connector into the connector housing, cam pins of the counter connector are inserted into said cam grooves.
  • the cam grooves can be inclined, i.e. provided at a suitable angle with respect to the insertion direction of the actuating leg into the connector housing, such that upon moving the mate assist slider from its open position towards its closed position, the cam pins slide along the cam grooves, whereby, in analogy to a lever action, the counter connector housing is pulled towards the connector housing. Thereby, the counter connector is mated to the connector housing, or at least the connector mating is facilitated.
  • the connector assembly further comprises at least one sealing member which is arranged on the aperture in the connector housing, whereby said sealing member is adapted to be in sealing contact with at least one sealing surface of the mate assist slider, when the actuating leg is at least partially inserted into the aperture to seal off the aperture.
  • the mate assist slider is not completely placed in its closed position, for example because of displacement due to car vibrations or movement in the case that the connector assembly is used as a car door to body connector, or being displaced by an operator during service, advantageously the connector is sealed against humidity.
  • the mate assist slider is provided with more than one sealing surface.
  • at least one actuating leg sealing surface is provided at the actuating leg of the mate assist slider, and at least one base sealing surface is provided on the base portion of the mate assist slider.
  • the sealing member is adapted to simultaneously be in sealing contact with the actuating leg sealing surface and the base sealing surface, when the mate assist slider is placed in its closed position. This simultaneous sealing contact of the sealing member to two different surfaces is particularly advantageous when the surfaces are for example oriented differently, e.g. perpendicular to each other.
  • the inventive sealing member can provide sealing not only in a single plane, e.g.
  • Fig. 1 shows a schematic illustration of a connector assembly, whereby a mate assist slider is shown in an open position in a connector housing;
  • FIG. 2 shows the connector assembly of Fig. 1 in a different perspective, whereby the mate assist slider has been removed;
  • Fig- 3 shows a cross sectional view of the connector assembly of Fig. 1 when the mate assist slider is placed in a closed position;
  • Fig. 4 shows an enlarged detail of the cross sectional view of Fig. 3; and Fig. 5 shows a different cross sectional view of the connector assembly, whereby the mate assist slider is placed in a closed position;
  • Fig. 6 shows the connector assembly of Fig. 1 connected to a counter connector through an aperture in a panel.
  • Figure 1 shows a schematic three dimensional view of a connector assembly 100, wherein a mate assist slider 200 is shown being placed in an open position in a connector housing 101.
  • the connector housing 101 is provided with a cable shroud 102, to connect an electrical cable to the connector assembly 100.
  • the mate assist slider 200 has an essentially u-shaped form, being provided with a base portion 201 and two actuating legs 203 which protrude therefrom essentially perpendicular.
  • the mate assist slider could be provided only with one actuating leg 203 or with more than two actuating legs 203, in which cases the connector housing 101 would be provided with one or more than two corresponding apertures 103 (cf. Fig.2).
  • Figure 2 shows the connector housing 101 of Fig. 1 from a different perspective, whereby in this figure, the mate assist slider 200 has been removed.
  • the connector assembly 100 is provided with sealing members 301 which are arranged on apertures 103 of the connector housing 101, and with a further optional sealing element 307 which serves to seal a possible transition in between the connector assembly 100 and a panel 700 when the connector assembly is connected to a panel 700 as shown in Fig. 5 below.
  • the two sealing members 301 and the optional sealing element 307 are formed as integral components of a sealing assembly 300, which is a single injection moulded part attached to the connector housing 101.
  • sealing members 301 and the sealing element 307 can be single parts attached or not attached to the connector housing 101.
  • the sealing assembly 300 as well as sealing members 301 and sealing element 307 can be made from rubber, plastic, silicon or similar materials which are suitable for sealing purposes.
  • the sealing members 301 are provided in form of sealing rings, which are arranged around the apertures 103 of the connector housing 101 and which extend partially into the aperture.
  • the apertures 301 preferably are openings of guiding channels 119 (cf. Fig. 3) and by partially extending into the apertures 103, the sealing members 301 are arranged on inner surfaces of the channels 119.
  • these sealing members 301 could be shaped differently for example if arranged around a round or differently shaped aperture.
  • the sealing members 301 could extend farther or less far into the apertures 103.
  • this sealing surface comprises rounded corners and essentially follows a step into the aperture 103.
  • the exact shape of the parallel sealing surface 311 is not essential for the invention, it is advantageous in that it does not hamper insertion of the actuating legs 203 into the aperture 103 and at the same time can provide an optimized sealing contact to a corresponding actuating leg sealing surface 205 (cf. Fig. 1) of the actuating legs 203.
  • the sealing member is provided with perpendicular sealing surfaces 313, which are arranged in a plane essentially perpendicular to the insertion direction 601 (i.e. extending essentially in directions 603, 605 as shown in Fig. 1).
  • These perpendicular sealing surfaces 313 are adapted to be in sealing contact with a base sealing surface 207 (cf. Fig.i), when the mate assist slider 200 is placed in its closed position.
  • the parallel sealing surface 311 and the perpendicular sealing surface 313 provide an advantageous, essentially L-shaped sealing portion which allows for an optimal seal for the aperture 103 and the interior of the connector housing 101.
  • This advantageous L-shaped sealing portion formed by the actuating leg sealing surface 205 and the base sealing surface 207 can best be seen in Figs. 3 and 4. Similar as for the case of the perpendicular sealing surfaces 311, it is not necessary that the perpendicular sealing surfaces 313 are flat, but these surfaces could also be provided in a rounded shape or with further sealing steps or the like to improve sealing contact to corresponding sealing surfaces of the mate assist slider.
  • the base portion 201 of the mate assist slider 200 is shown as an essentially flat plate from which the actuating legs 203 extend essentially perpendicular into guiding channels 119 formed by an inner side wall 111 and an outer side wall 113 of the connector housing 101. Due to the flat form of the base portion 211, the base portion fully covers the apertures 103 when the mate assist slider 200 is placed in its closed position as shown in the figures. This is advantageous in that the flat base portion 201 provides a closed sealing surface separate for each single aperture 103 (as opposed for example to a single large sealing ring arranged around both apertures 103) and in that the flat base portion 201 provides also mechanical protection for the perpendicular sealing surfaces 313 and the apertures 103.
  • the flat base portion provides an almost form-fitting closure for the connector housing 101, which provides optimal mechanical stability if the connector assembly is for example moved during service.
  • the actuating leg sealing surface 205 is arranged on a proximal leg portion 211 of the actuating leg 203, thereby being adjacent to the base sealing surface 207.
  • the actuating leg sealing surface 205 and the base sealing surface 207 form an essentially L-shaped counter sealing portion to provide optimal sealing contact with the essentially L-shaped sealing portion formed by the parallel sealing surface 311 and the perpendicular sealing surface 313.
  • the actuating leg 203 is further provided with a widened portion 217 which upon insertion of the actuating leg into said channel 119 is wedged with the sealing ring. As one can see in Figs. 3 and 4, thereby the actuating leg sealing surface 205 is pressed against the parallel sealing surface 311 of the sealing member 301 to enhance the sealing contact between theses sealing surfaces.
  • sealing members are compressed in directions parallel to the insertion direction. This compression leads to restoring forces originating from the compressed sealing members, which act against the mating or insertion process.
  • the parallel sealing surfaces 311 are arranged in ideal orientation: When the actuating legs 203 are inserted, the parallel sealing surfaces can be pressed by the actuating legs 203 only in directions perpendicular to the insertion direction 601. Therefore, also possible restoring forces originating form the compression of the sealing member 301 by pressing of the parallel sealing surfaces 311, can only act in directions perpendicular to the insertion direction 601, and are therefore not opposed to the insertion of the mate assist slider 200.
  • the sealing member 301 and the actuating leg sealing surface 205 advantageously comprise respective corresponding lock-sealing means 303, 215.
  • These lock-sealing means 303, 215 are in the shown preferred embodiment realized as a lock-sealing recess 303 provided in the parallel sealing surface 311 of the sealing member 301 and a lock-sealing elevation 215 provided on the actuating leg 203.
  • each actuating leg 203 is provided with a lock- sealing elevation 215, however, in different preferred embodiments also the other or all sides of the actuating leg 203 could be provided with lock-sealing elevations 215.
  • the lock-sealing elevation 215 upon moving the mate assist slider 200 into its closed position, the lock-sealing elevation 215 is disposed into the lock-sealing recess 303, thereby locking the mate assist slider 200 in its closed position.
  • these lock-sealing means fulfil an advantageous double function: They lock the mate assist slider 200 in its closed position, thereby compensating for the above mentioned possible restoring force and they advantageously can enhance the sealing effect of the parallel sealing surface 311 and the actuating leg sealing surface 205.
  • the actuating legs 203 are further provided with further locking means, which in the shown example consist of locking tongues 221 provided on the actuating legs 203 and corresponding locking recesses 115 provided in the inner side walls 111 of the connector housing 101.
  • the mate assist slider 200 is provided with cam grooves 225 and the connector housing is provided with corresponding cam insertion slots 105, 107, 109. Since the principal function of such mate assist sliders is well known to the skilled person, e.g. from the documents cited in the introductory part above, the function will be described only briefly.
  • the cam grooves 225 are adapted to receive corresponding cam pins of a counter connector 500 (cf. Fig. 6) upon mating of the connector assembly 100 and the counter connector soo.
  • the cam pins move along the cam grooves, thereby pulling the counter connector 500 towards the connector housing 101.
  • the actuating legs 203 are provided with an actuating function.
  • the mate assist slider 200 could be provided with only one actuating leg 203 or more than two actuating legs 203.
  • the mate assist slider could be provided with a leg without the actuating function, which for example only serves to guide the mate assist slider 200 properly into the connector housing 101.
  • Figure 6 shows the connector assembly 100 mated to a corresponding counter connector 500 through an aperture in a panel 500.
  • sealing elements 307 (cf. Figs. 1 to 4) are in sealing contact with corresponding surfaces of the panel 700.
  • the panel 700 can for example be a part of a door of a passenger car or of a body of the passenger car.
  • the connector assembly 100 which preferably also comprises the counter connector 500 can of course also be used for different applications.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention relates to a connector assembly comprising a connector housing (101) adapted to be connected to a corresponding counter connector, and a mate assist slider, whereby the mate assist slider is arranged movable between an open and a closed position on the connector housing (101) and is adapted to interact with the counter connector upon moving from its open position towards its closed position to support mating of the counter connector and the connector housing (101), the mate assist slider comprising a base portion and at least one actuating leg extending from the base portion, the actuating leg being adapted to be inserted at least partially into the connector housing (101) through at least one corresponding aperture (103) when the mate assist slider is moved towards its closed position, characterized in that the connector assembly further comprises at least one sealing member (301) which is arranged on the aperture (103) in the connector housing (101), whereby said sealing member (301) is adapted to be in sealing contact with at least one sealing surface of the mate assist slider, when the actuating leg is at least partially inserted into the aperture (103) to seal off the aperture (103).

Description

Water proof connector assembly
1. Field of the invention
The present invention relates to a water proof connector assembly and in particular to a water proof door to body connector assembly for automotive applications.
2. Technical background
In many fields of applications electrical connectors have to be provided with sealing members to seal connector components against humidity.
For example, door to body connectors for passenger cars, which typically are used to connect electrical components placed in car doors, such as door locks, door airbags, etc. to corresponding control electronics, have to be provided with reliable sealing means. Such connectors usually are placed in the junction in between a car body and the car door and can therefore be exposed to environmental humidity and moisture as car doors are opened and closed regularly. In particular, because of increasing complexity and importance of electronics which have to be connected throughout the mentioned junction, a demand exists for more reliable water proof connector assemblies, in particular for more reliable water proof door to body connector assemblies.
An example of a connector assembly to be used for example in automotive door to body applications is described in the international patent application WO 2004/047234 Ai. In this document, a connector and a corresponding counter connector are described which can be mutually connected through an aperture in a panel, which can for example be part of a car door or body. The transition in between each connector and the panel can be sealed off by means of a seal surrounding the aperture in the panel. In mated condition of the assembly, due to this seal, humidity or moisture cannot enter the assembly through said transition in between the connectors and the panel.
A further example of a water proof connector assembly, which can be used as a door to body connector assembly, is described in the European patent application EP 1 318 570 Ai. Therein, a connector assembly is described with a connector and a counter connector, which can be mated to each other through an aperture in a panel, whereby the mating can be supported by the use of a mate assist device in form of a mate assist lever. The EP'570 provides a connector assembly which is sealed against humidity or moisture, whereby the assembly is provided with sealing elements in between the connector housings which upon mating of the connector housings are compressed only in directions perpendicular to the direction of mating the housings. Thereby, resilient forces or restoring forces which would act against the mating of the connector housings are avoided. Such resilient forces counteracting the connector mating can for example arise, when sealing members are compressed in between housing components in mating direction of the housings.
A further development of a water proof connector assembly is described in the European patent specification EP 1 745 528 Bi. The EP'528 also relates to a connector assembly, whereby a connector can be connected to a counter connector through an aperture in a panel. In this example, the connector mating is facilitated by means of a mate assist slider, which for this purpose can be inserted into a housing of the connector. Upon insertion of the mate assist slider into the connector housing, cam grooves provided in actuating legs of the mate assist slider can interact with corresponding cam pins of the counter connector to assist the connector mating by means of a lever action.
The connector assembly disclosed in the EP'528 is provided with sealing means to seal the connector assembly against humidity and moisture. In addition to a seal surrounding the aperture in the panel, as it is already known for example from the above mentioned WO'234, the connector assembly disclosed in the EP'528 is provided with sealing rings which in mated condition of the assembly are placed around said cam pins in between corresponding faces of the counter connector and side walls of the connector housing. Thereby, in mated condition of connector and counter connector, the interior of the connectors is sealed against humidity. However, these sealing rings are complicated to assemble and they act against the mating direction.
It is an object of the present invention, to improve the state of the art by providing a connector assembly, in particular with a mate assist device and suitable to be used as a door to body connector for automotive applications, with improved means for sealing the connector assembly against humidity and moisture. It is a further object of the present invention to provide a connector assembly with more reliable sealing means, whereby preferably all components of the connector assembly can be produced as injection moulded parts.
These and other objects which become apparent upon reading the following description are solved by a connector assembly according to claim l.
3. Summary of the invention
According to the invention, a connector assembly comprising a connector housing and a mate assist slider is provided. The connector housing is adapted to be connected to a corresponding counter connector, in a preferred embodiment through an aperture in a panel. Thereby, the connector assembly can for example be used as a door to body connector for automotive applications, for example to connect an electronic door lock, an airbag, etc., provided in a door of a passenger car to corresponding electronics which typically are placed in the body of the car.
The mate assist slider is arranged movable between an open and a closed position on the connector housing, whereby the mate assist slider is adapted to interact with the counter connector upon moving from its open position towards its closed position to support mating of the counter connector and the connector housing. The mate assist slider comprises a base portion and at least one actuating leg extending from the base portion, whereby the actuating leg is adapted to be inserted at least partially into the connector housing through at least one corresponding aperture when the mate assist slider is moved towards its closed position. Said aperture can for example be an opening in the connector housing or the opening of a guiding channel for the actuating leg, which channel can for example be provided in side walls of the connector housing. To facilitate mating of the connector housing to the counter connector, the actuating leg of the mate assist slider preferably is provided with cam grooves such that when the mate assist slider is placed in its open position in or on the connector housing, upon inserting the counter connector into the connector housing, cam pins of the counter connector are inserted into said cam grooves. The cam grooves can be inclined, i.e. provided at a suitable angle with respect to the insertion direction of the actuating leg into the connector housing, such that upon moving the mate assist slider from its open position towards its closed position, the cam pins slide along the cam grooves, whereby, in analogy to a lever action, the counter connector housing is pulled towards the connector housing. Thereby, the counter connector is mated to the connector housing, or at least the connector mating is facilitated.
According to the invention, the connector assembly further comprises at least one sealing member which is arranged on the aperture in the connector housing, whereby said sealing member is adapted to be in sealing contact with at least one sealing surface of the mate assist slider, when the actuating leg is at least partially inserted into the aperture to seal off the aperture. Preferably, even if the mate assist slider is not completely placed in its closed position, for example because of displacement due to car vibrations or movement in the case that the connector assembly is used as a car door to body connector, or being displaced by an operator during service, advantageously the connector is sealed against humidity.
In order to provide an optimal sealing function, in a preferred embodiment the mate assist slider is provided with more than one sealing surface. Preferably, at least one actuating leg sealing surface is provided at the actuating leg of the mate assist slider, and at least one base sealing surface is provided on the base portion of the mate assist slider. To provide an optimal sealing function, the sealing member is adapted to simultaneously be in sealing contact with the actuating leg sealing surface and the base sealing surface, when the mate assist slider is placed in its closed position. This simultaneous sealing contact of the sealing member to two different surfaces is particularly advantageous when the surfaces are for example oriented differently, e.g. perpendicular to each other. Thus the inventive sealing member can provide sealing not only in a single plane, e.g. between two parallel surfaces, but for example also around a sealing corner. Because of the inventive sealing concept to provide the sealing member at the aperture of the connector housing, the interior of the connector housing is sealed, and thereby preferably, further complicated interior sealing members such as sealing members provided around the above mentioned cam pins and/or at the cam grooves are not necessary.
4. Description of the preferred embodiments
In the following, the invention is described exemplarily with reference to the enclosed figures in which:
Fig. 1 shows a schematic illustration of a connector assembly, whereby a mate assist slider is shown in an open position in a connector housing;
Fig. 2 shows the connector assembly of Fig. 1 in a different perspective, whereby the mate assist slider has been removed; Fig- 3 shows a cross sectional view of the connector assembly of Fig. 1 when the mate assist slider is placed in a closed position;
Fig. 4 shows an enlarged detail of the cross sectional view of Fig. 3; and Fig. 5 shows a different cross sectional view of the connector assembly, whereby the mate assist slider is placed in a closed position;
Fig. 6 shows the connector assembly of Fig. 1 connected to a counter connector through an aperture in a panel.
Figure 1 shows a schematic three dimensional view of a connector assembly 100, wherein a mate assist slider 200 is shown being placed in an open position in a connector housing 101. The connector housing 101 is provided with a cable shroud 102, to connect an electrical cable to the connector assembly 100. In Fig. 1, one can see that the mate assist slider 200 has an essentially u-shaped form, being provided with a base portion 201 and two actuating legs 203 which protrude therefrom essentially perpendicular. As it will be clear to the person skilled in the art, in different embodiments, the mate assist slider could be provided only with one actuating leg 203 or with more than two actuating legs 203, in which cases the connector housing 101 would be provided with one or more than two corresponding apertures 103 (cf. Fig.2).
Figure 2 shows the connector housing 101 of Fig. 1 from a different perspective, whereby in this figure, the mate assist slider 200 has been removed. As one can see in this figure, the connector assembly 100 is provided with sealing members 301 which are arranged on apertures 103 of the connector housing 101, and with a further optional sealing element 307 which serves to seal a possible transition in between the connector assembly 100 and a panel 700 when the connector assembly is connected to a panel 700 as shown in Fig. 5 below. In the shown embodiment, the two sealing members 301 and the optional sealing element 307 are formed as integral components of a sealing assembly 300, which is a single injection moulded part attached to the connector housing 101. As it will be clear to the skilled person, in different embodiments the sealing members 301 and the sealing element 307 can be single parts attached or not attached to the connector housing 101. The sealing assembly 300 as well as sealing members 301 and sealing element 307 can be made from rubber, plastic, silicon or similar materials which are suitable for sealing purposes.
In Fig. 2 one can see that the sealing members 301 are provided in form of sealing rings, which are arranged around the apertures 103 of the connector housing 101 and which extend partially into the aperture. The apertures 301 preferably are openings of guiding channels 119 (cf. Fig. 3) and by partially extending into the apertures 103, the sealing members 301 are arranged on inner surfaces of the channels 119. In different embodiments, these sealing members 301 could be shaped differently for example if arranged around a round or differently shaped aperture. Similarly, the sealing members 301 could extend farther or less far into the apertures 103. However, it is important that by extending at least partially into the aperture 103, the sealing member 301 thereby is provided with at least one parallel sealing surface 311, i.e. is arranged essentially parallel to the insertion direction 601 of the actuating legs 203 into the connector housing 101. As one can see in Fig. 2 this sealing surface comprises rounded corners and essentially follows a step into the aperture 103. Even though the exact shape of the parallel sealing surface 311 is not essential for the invention, it is advantageous in that it does not hamper insertion of the actuating legs 203 into the aperture 103 and at the same time can provide an optimized sealing contact to a corresponding actuating leg sealing surface 205 (cf. Fig. 1) of the actuating legs 203.
Further, in Fig. 2 one can see that the sealing member is provided with perpendicular sealing surfaces 313, which are arranged in a plane essentially perpendicular to the insertion direction 601 (i.e. extending essentially in directions 603, 605 as shown in Fig. 1). These perpendicular sealing surfaces 313 are adapted to be in sealing contact with a base sealing surface 207 (cf. Fig.i), when the mate assist slider 200 is placed in its closed position. Thereby, the parallel sealing surface 311 and the perpendicular sealing surface 313 provide an advantageous, essentially L-shaped sealing portion which allows for an optimal seal for the aperture 103 and the interior of the connector housing 101. This advantageous L-shaped sealing portion formed by the actuating leg sealing surface 205 and the base sealing surface 207 can best be seen in Figs. 3 and 4. Similar as for the case of the perpendicular sealing surfaces 311, it is not necessary that the perpendicular sealing surfaces 313 are flat, but these surfaces could also be provided in a rounded shape or with further sealing steps or the like to improve sealing contact to corresponding sealing surfaces of the mate assist slider.
In Figs. 3 and 4, the base portion 201 of the mate assist slider 200 is shown as an essentially flat plate from which the actuating legs 203 extend essentially perpendicular into guiding channels 119 formed by an inner side wall 111 and an outer side wall 113 of the connector housing 101. Due to the flat form of the base portion 211, the base portion fully covers the apertures 103 when the mate assist slider 200 is placed in its closed position as shown in the figures. This is advantageous in that the flat base portion 201 provides a closed sealing surface separate for each single aperture 103 (as opposed for example to a single large sealing ring arranged around both apertures 103) and in that the flat base portion 201 provides also mechanical protection for the perpendicular sealing surfaces 313 and the apertures 103. In the shown embodiment, the flat base portion provides an almost form-fitting closure for the connector housing 101, which provides optimal mechanical stability if the connector assembly is for example moved during service. As one can see from Fig. 4, the actuating leg sealing surface 205, is arranged on a proximal leg portion 211 of the actuating leg 203, thereby being adjacent to the base sealing surface 207. Thus, the actuating leg sealing surface 205 and the base sealing surface 207 form an essentially L-shaped counter sealing portion to provide optimal sealing contact with the essentially L-shaped sealing portion formed by the parallel sealing surface 311 and the perpendicular sealing surface 313.
In order to further enhance the sealing effect of the above mentioned sealing surfaces, the actuating leg 203 is further provided with a widened portion 217 which upon insertion of the actuating leg into said channel 119 is wedged with the sealing ring. As one can see in Figs. 3 and 4, thereby the actuating leg sealing surface 205 is pressed against the parallel sealing surface 311 of the sealing member 301 to enhance the sealing contact between theses sealing surfaces. As mentioned above in the introduction, if upon mating of connectors or as in the present case, upon insertion of the mate assist slider 200 into the connector housing 101, sealing members are compressed in directions parallel to the insertion direction. This compression leads to restoring forces originating from the compressed sealing members, which act against the mating or insertion process. In this respect, the parallel sealing surfaces 311 are arranged in ideal orientation: When the actuating legs 203 are inserted, the parallel sealing surfaces can be pressed by the actuating legs 203 only in directions perpendicular to the insertion direction 601. Therefore, also possible restoring forces originating form the compression of the sealing member 301 by pressing of the parallel sealing surfaces 311, can only act in directions perpendicular to the insertion direction 601, and are therefore not opposed to the insertion of the mate assist slider 200.
To improve the sealing and/or the mechanical connection of the mate assist slider 200 to the connector housing 101, or if necessary, to compensate for possible restoring forces originating from a compression of the sealing member 301 in a direction parallel to the insertion direction 601 e.g. by pressing the base sealing surface 207 against the perpendicular sealing surface 313, the sealing member 301 and the actuating leg sealing surface 205 advantageously comprise respective corresponding lock-sealing means 303, 215. These lock-sealing means 303, 215 are in the shown preferred embodiment realized as a lock-sealing recess 303 provided in the parallel sealing surface 311 of the sealing member 301 and a lock-sealing elevation 215 provided on the actuating leg 203. In the shown embodiment, only one side of each actuating leg 203 is provided with a lock- sealing elevation 215, however, in different preferred embodiments also the other or all sides of the actuating leg 203 could be provided with lock-sealing elevations 215. As the skilled person can derive from Figs. 3 and 4, upon moving the mate assist slider 200 into its closed position, the lock-sealing elevation 215 is disposed into the lock-sealing recess 303, thereby locking the mate assist slider 200 in its closed position. Thereby, preferably these lock-sealing means fulfil an advantageous double function: They lock the mate assist slider 200 in its closed position, thereby compensating for the above mentioned possible restoring force and they advantageously can enhance the sealing effect of the parallel sealing surface 311 and the actuating leg sealing surface 205.
As one can see in Figs. 3 and 5, to lock the mate assist slider 200 in its closed position, the actuating legs 203 are further provided with further locking means, which in the shown example consist of locking tongues 221 provided on the actuating legs 203 and corresponding locking recesses 115 provided in the inner side walls 111 of the connector housing 101. As one can further see in Fig. 5, the mate assist slider 200 is provided with cam grooves 225 and the connector housing is provided with corresponding cam insertion slots 105, 107, 109. Since the principal function of such mate assist sliders is well known to the skilled person, e.g. from the documents cited in the introductory part above, the function will be described only briefly. As the skilled person will recognize, when the mate assist slider 200 is placed in its open position (and the two cam grooves 225 of the shown actuating leg 203 are aligned with cam insertion slots 105 and 107) the cam grooves 225 are adapted to receive corresponding cam pins of a counter connector 500 (cf. Fig. 6) upon mating of the connector assembly 100 and the counter connector soo.When the mate assist slider is moved form its open position towards its closed position (as shown in Fig. 5), the cam pins move along the cam grooves, thereby pulling the counter connector 500 towards the connector housing 101. Thereby, the actuating legs 203 are provided with an actuating function. However, as it will be clear to the skilled person, the mate assist slider 200 could be provided with only one actuating leg 203 or more than two actuating legs 203. In addition, the mate assist slider could be provided with a leg without the actuating function, which for example only serves to guide the mate assist slider 200 properly into the connector housing 101.
As one can see in this figure, no sealing members are provided at the cam grooves. Due to the inventive sealing concept to provide sealing member 301 at the aperture 103, no sealing components are necessary in the interior of the connector housing such as at the cam grooves 225 or as well as at the corresponding cam pins although such sealing elements could be provided for additional security. This is advantageous in that such interior sealing components usually are complicated to produce and assemble and act against the assembly of connectors and mate assist devices.
Figure 6 shows the connector assembly 100 mated to a corresponding counter connector 500 through an aperture in a panel 500. In this mated condition, sealing elements 307 (cf. Figs. 1 to 4) are in sealing contact with corresponding surfaces of the panel 700. The panel 700 can for example be a part of a door of a passenger car or of a body of the passenger car. However, the connector assembly 100 which preferably also comprises the counter connector 500 can of course also be used for different applications.

Claims

Claims
1. Connector assembly (loo) comprising a connector housing (101) adapted to be connected to a corresponding counter connector (500), and a mate assist slider
(200) , whereby the mate assist slider (200) is arranged movable between an open and a closed position on the connector housing (101) and is adapted to interact with the counter connector (500) upon moving from its open position towards its closed position to support mating of the counter connector (500) and the connector housing (101), the mate assist slider (200) comprising a base portion
(201) and at least one actuating leg (203) extending from the base portion (201), the actuating leg (203) being adapted to be inserted at least partially into the connector housing (101) through at least one corresponding aperture (103) when the mate assist slider (200) is moved towards its closed position,
characterized in that
the connector assembly (100) further comprises at least one sealing member (301) which is arranged on the aperture (103) in the connector housing (101), whereby said sealing member (301) is adapted to be in sealing contact with at least one sealing surface of the mate assist slider (200), when the actuating leg (203) is at least partially inserted into the aperture (103) to seal off the aperture (103).
2. Connector assembly (100) according to claim 1, characterized in that the actuating leg (203) is provided with at least one actuating leg sealing surface (205), and the base portion (201) is provided with at least one base sealing surface (207), whereby the sealing member (301) is adapted to simultaneously be in sealing contact with the actuating leg sealing surface (205) and with the base sealing surface (207), when the mate assist slider (200) is placed in its closed position.
3. Connector assembly (100) according to any one of claims 1 or 2, characterized in that the sealing member (301) extends at least partially into the aperture (103), the sealing member (301) further being provided with at least one parallel sealing surface (311) which is arranged essentially parallel to the insertion direction (601) of the actuating leg (203) into the connector housing (101), and which is adapted to be in sealing contact with the actuating leg sealing surface (205), when the mate assist slider (200) is placed in its closed position.
4. Connector assembly (100) according to claim 3, characterized in that the sealing member is further provided with at least one perpendicular sealing surface (313), which is arranged essentially perpendicular to the insertion direction (601) of the actuating leg (203) into the connector housing (101), and which is adapted to be in sealing contact with the base sealing surface (207), when the mate assist slider (200) is placed in its closed position, the parallel sealing surface (311) and the perpendicular sealing surface (313) forming an essentially L-shaped sealing portion.
5. Connector assembly (100) according to any one of the preceding claims, characterized in that the sealing member (301) is a sealing ring which is arranged around the aperture (103) of the connector housing (101), and extends at least partially into the aperture.
6. Connector assembly (100) according to any one of the preceding claims, characterized in that the actuating leg sealing surface (205) is arranged on a proximal leg portion (211) of the actuating leg (203) adjacent to the base sealing surface (207).
7. Connector assembly (100) according to any one of the preceding claims, characterized in that the sealing member (301) and the actuating leg sealing surface (205) comprise respective corresponding lock-sealing means (303, 215) which are adapted to lock the mate assist slider (200) to the sealing member (301), thereby enhancing the sealing between the sealing member (301) and the actuating leg (203).
8. Connector assembly (100) according to any one of the preceding claims, characterized in that the sealing member (301) comprises at least one lock-sealing recess (303) and the actuating leg sealing surface (205) comprises at least one corresponding lock-sealing elevation (215), such that upon moving the mate assist slider (200) into its closed position, the lock-sealing elevation (215) is disposed into the lock-sealing recess (303), thereby locking the mate assist slider (200) in its closed position.
9. Connector assembly (100) according to any one of the preceding claims, characterized in that the sealing member (301) is a sealing ring and the actuating leg (203) comprises a widened portion (217) which upon insertion of the actuating leg (203) into the connector housing (101) is wedged with the sealing ring.
10. Connector assembly (100) according to any one of the preceding claims, characterized in that the base portion (201) is an essentially flat plate from which the actuating leg (203) extends perpendicular in insertion direction (601) of the mate assist slider, and said plate is adapted to fully cover the aperture (103) in closed condition.
11. Connector assembly (100) according to any one of the preceding claims, characterized in that the base sealing surface (207) is essentially a flat sealing surface extending in directions (603, 605) essentially perpendicular to the insertion direction (601) of the actuating leg (203).
12. Connector assembly (100) according to any one of the preceding claims, characterized in that the actuating leg (203) is provided with cam grooves (225) which are adapted to interact with corresponding cam pins provided on the counter connector (500) upon mating, whereby no sealing members are provided around the cam pins and/or at the cam grooves (225).
13. Connector assembly (100) according to any one of the preceding claims, characterized in that the mate assist slider (200) has an essentially u-shaped form comprising at least two actuating legs (203), each actuating leg (203) being provided with at least one cam groove (225) which is adapted to receive a corresponding cam pin of the counter connector (500) upon mating of the connector assembly (100) and the counter connector (500).
14. Connector assembly (100) according to any one of the preceding claims, characterized in that the connector assembly (100) is adapted to be mated with the counter connector (500) through an opening (701) in a panel (700), whereby the connector assembly (100) preferably comprises a further sealing element (307) and when the connector assembly (100) is mated to the counter connector (500) through the opening (701) in the panel (700), the further sealing element (307) being arrangable around the opening (701) in between the connector housing (101) and the panel (700) to seal the connection between the connector housing (101) and the panel (700).
15. Connector assembly (100) according to any one of claims 1 to 14, further comprising a corresponding counter connector (500).
EP11817533.0A 2010-12-23 2011-12-22 Water proof connector assembly Not-in-force EP2656449B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IB2010003518 2010-12-23
PCT/IB2011/003302 WO2012085681A1 (en) 2010-12-23 2011-12-22 Water proof connector assembly

Publications (2)

Publication Number Publication Date
EP2656449A1 true EP2656449A1 (en) 2013-10-30
EP2656449B1 EP2656449B1 (en) 2016-11-09

Family

ID=45607296

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11817533.0A Not-in-force EP2656449B1 (en) 2010-12-23 2011-12-22 Water proof connector assembly

Country Status (3)

Country Link
EP (1) EP2656449B1 (en)
CN (1) CN103299489B (en)
WO (1) WO2012085681A1 (en)

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EP3955395A1 (en) 2020-08-11 2022-02-16 Aptiv Technologies Limited Connector assembly with sealed symmetrical split lever
US11495914B2 (en) 2020-08-11 2022-11-08 Aptiv Technologies Limited Connector assembly with sealed symmetrical split lever

Also Published As

Publication number Publication date
WO2012085681A1 (en) 2012-06-28
CN103299489A (en) 2013-09-11
EP2656449B1 (en) 2016-11-09
CN103299489B (en) 2016-05-25

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