Plug

Abstract

The invention relates to a connector for multiple conductors of at least one cable, a method for manufacturing such a connector, and a cable assembly with at least one such connector. An embodiment of the connector (10) comprises: a connector housing (101) wherein multiple conductors of at least one cable (106, 107) are inserted or can be inserted into the connector housing (101) in an insertion direction (E); an adapter element (103) which is applied or can be applied to at least a section of the connector housing (101), wherein the adapter element (103) is applied or can be applied to the section of the connector housing (101) such that the adapter element (103) and the connector housing (101) provide a cavity open opposite to the insertion direction (E); and a potting material (104) inserted into the cavity.

Description

[0001] The invention relates generally to connectors. In particular, the invention relates to a connector for several conductors of at least one cable, especially for a wiring harness of a vehicle, to a method for manufacturing such a connector, and to a wiring harness with such a connector.

[0002] Vehicles often use wiring harnesses that require additional sealing measures to ensure their functionality throughout their service life. Examples of areas where wiring harnesses require additional sealing include the wheel arch area under the vehicle or areas exposed to ford water. Generally, such areas are any parts of the vehicle located outside the driver's cabin and particularly vulnerable to environmental influences. Nowadays, connectors used in wiring harnesses are often custom-designed for specific applications. This typically involves a pre-molded part followed by overmolding of both the pre-molded part and the wire. Such custom development requires significant time, validation effort, and validation costs, which could be reduced by using a pre-designed connector that is suitable for various applications.

[0003] Many existing connectors and connector housings cannot be directly overmolded with a sealing plastic because, for example, the sealing elements used cannot withstand the process pressure. Furthermore, not every connector housing design and material is suitable for an injection molding process.

[0004] DE 10 2020 125 490 B3 relates to a method for assembling a multi-core cable and a cable assembled accordingly. The cable comprises at least one first core electrically connected to a first contact element and a second core electrically connected to a second contact element. The method comprises: arranging the first and second contact elements in a contact carrier having a contact side and a cable side, wherein the contact carrier has a first longitudinal channel connecting the contact side to the cable side, a second longitudinal channel connecting the contact side to the cable side, a first through-opening crossing the first longitudinal channel, and a second through-opening crossing the second longitudinal channel, wherein at least one section of the first contact element is arranged in a front part of the first longitudinal channel extending between the contact side and the first through-opening.at least one section of the second contact element is arranged in a front part of the second longitudinal channel extending between the contacting side and the second through-opening; fluid-tight sealing of the first longitudinal channel and the first through-opening by inserting two first sealing pieces into the first through-opening; fluid-tight sealing of the second longitudinal channel and the second through-opening by inserting two second sealing pieces into the second through-opening; and forming of a connecting piece connecting the contact carrier to an outer sheath of the cable by overmolding at least one rear section of the contact carrier encompassing the first and second through-openings and a section of the cable projecting on the cable side in an injection molding process.

[0005] There is a need for an improved approach to providing a sealed and / or as airtight a connector as possible for multiple conductors of at least one cable, particularly for a vehicle wiring harness, as well as for an improved method for manufacturing such a connector. Furthermore, there is a need for a wiring harness with such a connector.

[0006] According to a first aspect, a connector is provided for several, i.e., at least two, conductors of at least one cable, in particular for a vehicle wiring harness. The connector has a connector housing. Several, i.e., at least two, conductors of at least one cable are inserted or can be inserted into the connector housing in one insertion direction. The connector has an adapter element. The adapter element is applied or can be applied to at least a section of the connector housing. The adapter element is applied or can be applied to at least the section of the connector housing in such a way that the adapter element and the connector housing provide a cavity open in the opposite direction to the insertion direction. The connector has a potting compound inserted into the cavity.

[0007] In other words, the cavity has an opening. This opening points in a direction opposite to the insertion direction. The potting compound is introduced or poured into the cavity through this opening. The potting compound can provide a seal for the connector housing / plug. For example, the potting compound can at least partially protect the wires and / or plug contacts inserted into the connector housing from external influences. The insertion direction can also be described as a direction opposite to the exit direction of the wires. The exit direction of the wires can also be referred to as the exit direction of the at least one wire, or simply as the direction of a wire exit or wire exit direction. In English, the terms cable / wire exit or cable / wire outcome are often used for the wire exit.The direction of cable exit can be understood as a direction that corresponds to the direction in which wires or at least one cable leave the connector housing.

[0008] The adapter element, and in particular its attachment to the connector housing, allows a connector housing, such as a standard connector housing, to be subsequently adapted or modified. The connector housing can be part of a connector, such as a standard connector. In other words, a connector, such as a standard connector, can be provided with a connector housing around which the adapter element can be arranged to form the connector as described in the first section. Alternatively, the connector as described in the first section can be formed by a connector, such as a standard connector, whose connector housing is fitted with or surrounded by the adapter element. In this way, a simple subsequent modification, for example, to seal a connector housing and thus provide a sealed connector, can be made possible.

[0009] The cavity can also be described as a hollow space. The cavity can form a kind of basin or be basin-shaped. The outer walls of the cavity can be formed by the adapter element and the connector housing. For example, the adapter element can form or shape the side walls of the cavity. Additionally or alternatively, the connector housing can form or shape the bottom of the cavity. The bottom can face the opening. The bottom can face the connector contacts of the connector housing. The bottom can have wire openings or sockets for inserting the wires.

[0010] The connector housing can have multiple connector contacts. When the conductors are inserted into the connector housing, they can be in contact with the connector contacts. Specifically, each conductor of the multiple conductors—when inserted into the connector housing—can be in contact with a corresponding connector contact. Thus, the multiple conductors can be inserted into the connector housing and touch or contact the connector contacts present or arranged within it. This establishes an electrical connection between the conductors and the connector contacts. At least in the area of ​​the connector contacts, a seal for the conductors can be provided or arranged within the connector housing.

[0011] The term "at least one conductor" can refer to a conductor within a wiring harness, particularly in a vehicle. It can also be referred to as an electrical conductor. Each conductor can have at least one electrically conductive core. Each conductor can have at least one layer of insulation. Each conductor can have one or more cores through which energy and / or information can be transmitted. Several conductors or cables constitute the wiring harness. The wiring harness can also be referred to as a wiring box, cable set, or vehicle electrical system. A vehicle's wiring harness typically connects several, in particular all, electrical and / or electronic components (e.g., drives, actuators, sensors, displays, control units, power sources, etc.) within the vehicle.

[0012] The adapter element can be attached or affixed to the section of the connector housing in such a way that at least one section of the adapter element projects from the connector housing in the opposite direction to the insertion direction. In other words, the adapter element can be attached or affixed to the section of the connector housing in such a way that at least one section of the adapter element projects from the connector housing in the direction in which the conductors exit. For example, the projecting section of the adapter element can enable and / or simplify the filling of the potting compound into the cavity. The adapter element can thus, for example, function as a mold through its cup shape and / or as a filling mold through its projecting section.

[0013] The adapter element can be designed as a separate or independent element from the connector housing. In particular, the adapter element can form or establish a detachable connection with the connector housing. A detachable connection can be understood to mean, in particular, that the detachable connection and / or elements or components connected via the detachable connection can be detached with normal force and / or without damage. Detachable connections can, so to speak, be separated and reattached without damaging and / or destroying the connected components. Detachable connections include components that can be separated and reassembled without destroying the connected components and at least one connecting element.

[0014] The adapter element can be a single piece or multi-part. For example, the adapter element can be made of two parts. In a multi-part design, the parts of the adapter element can be at least nearly identical in shape and / or at least nearly identical in size. In a two-part design, the parts of the adapter element can be at least nearly identical in shape and / or at least nearly identical in size and can therefore also be referred to as halves.

[0015] The connector may also have a sealing element. The sealing element may be attached around or mounted on the connector housing. For example, the sealing element may be located between the adapter element and the connector housing. The sealing element may accommodate and / or compensate for movement of the adapter element relative to the connector housing. The sealing element may seal the connector housing from the outside, for example, by providing a fluid-tight seal. The sealing element may have an O-ring or be designed as an O-ring. The O-ring may, for example, surround the connector housing in a ring-like fashion.

[0016] The cross-section of the plug housing and / or the adapter element can be ring-shaped and / or rectangular, for example square.

[0017] The potting compound may comprise a potting resin, in particular an epoxy resin or a polyurethane (PU resin), or be in the form of a potting resin, in particular an epoxy resin or PU resin. The potting compound may comprise a hot melt adhesive or be in the form of a hot melt adhesive, also known as hot melt. The potting compound may furthermore comprise silicones or be in the form of a silicone. The potting compound may generally be viscous or have a high viscosity. For example, the potting compound may be in such a viscous form or have such a viscosity that it can distribute itself at least almost uniformly within the cavity, but can flow at least not at all or hardly at all towards the connector contacts, for example through wire openings or sockets provided for the wires in one side of the cavity.Even in the openings of the conductors or bushings, for example, almost no potting material can flow if no conductor is also present.

[0018] The connector may also have an overmolding. The overmolding may be arranged around at least a section of the adapter element. By overmolding at least this section of the adapter element, a permanent, and in particular inseparable, connection can be created between the overmolding and the adapter element, and thus the connector housing. The overmolding can be applied after the potting compound has been introduced. The conductors inserted into the connector housing are therefore protected by the potting compound from injection pressure, even high pressure, during the application of the overmolding. The overmolding may be made of a plastic or be designed as a plastic.

[0019] The adapter element can be designed as a suitable bonding partner, optimally compatible with both the connector housing and the potting compound and / or overmolding material. The potting compound or overmolding can be applied towards the cable exit, thus requiring only a reduced validation, covering only the subsequently added area. A complete connector validation can therefore be omitted.

[0020] By way of example, the following are some possible materials for the potting compound, connector housing, overmolding material, and adapter element: Potting compound: PU resins, epoxy resins, or silicones. Connector housing: Materials such as PBT, PA 6, PA 66 with glass fiber reinforcement, possibly also with flame retardant. Overmolding material: PA6, PA66, PBT, TPE-U, possibly with glass fiber. Adapter element: PA6, PA66, PBT, TPE-U with glass fiber.

[0021] According to a second aspect, a method for manufacturing a connector for multiple conductors of at least one cable, in particular for a vehicle wiring harness, is proposed. The method comprises providing a connector housing. Several conductors of at least one cable are inserted or can be inserted into the connector housing in one insertion direction. The method comprises applying an adapter element to at least one section of the connector housing. The adapter element is applied to at least that section of the connector housing such that the adapter element and the connector housing provide a cavity open in the opposite direction to the insertion direction. The method further comprises introducing a potting material into the cavity.

[0022] The plug is specifically designed like the plug according to the first aspect.

[0023] The method may further include applying a sealing element around the connector housing. The sealing element may be applied before or after the potting compound is introduced into the cavity. The method may further include arranging or attaching the sealing element between the adapter element and the connector housing. The sealing element may be applied before or after the potting compound is introduced into the cavity.

[0024] The process can further include overmolding at least a section of the adapter element. The overmolding can be carried out, in particular, after the potting compound has been introduced into the cavity and / or after the sealing element has been attached. This allows the conductors inserted into the connector housing to be protected by the potting compound from injection pressure, even high pressure, during the application of the overmolding.

[0025] For example, the adapter element, along with a suitable sealing element such as an O-ring, can be placed around the connector housing, subsequently filled with a potting compound, and then overmolded. Filling with a potting compound can compensate for the injection molding pressure resulting from the aforementioned (downstream) injection molding process in the area of ​​the individual wire seals. In this way, any potential interference with or damage to the electrical connector contacts or the corresponding seals can be avoided.

[0026] According to a third aspect, a wiring harness for a vehicle is proposed. The wiring harness has at least one cable with at least one conductor. The wiring harness has at least one connector according to the first aspect.

[0027] The wiring harness can include at least one power source connected to the power supply, such as a low-voltage power source or high-voltage power supply. The wiring harness can include multiple electrical and / or electronic components connected to it, such as sensors and / or actuators. In particular, the wiring harness may be intended for low-voltage applications, e.g., for signals and supply voltages in applications such as break-by-wire, axle wiring harnesses, etc.

[0028] The wiring harness can have a plurality of connectors according to the first aspect. In other words, a plurality of connectors can be provided in the wiring harness. The connectors according to the first aspect can be at least partially identical and / or at least partially different. The wiring harness can have a plurality of conductors. At least one conductor can be arranged at each connector of the plurality of connectors. In particular, conductors of at least one conductor can be connected to each of the connectors.

[0029] Even though some of the aspects described above have been described in relation to the connector according to the first aspect, these aspects can also be realized in a corresponding way in the procedure according to the second aspect and / or the wiring harness according to the third aspect, and vice versa.

[0030] The present invention will be further explained with reference to figures. These figures schematically illustrate: Fig. 1 an example of a plug; Fig. 2 a flowchart of a process for manufacturing the plug from Fig. 1; Fig. 3 a block diagram of a wiring harness with multiple connectors according to Fig. 1.

[0031] In Fig. Figure 1 schematically shows a connector 10 according to an exemplary embodiment. The connector 10 serves for several conductors of at least one cable 106, 107, in particular for a vehicle. Fig. Figure 1 shows the plug 10 in an exemplary state in which several wires of at least one line 106, 107 are inserted or placed into the plug 10.

[0032] The connector 10 has a connector housing 101. Five conductors are shown inserted or inserted into the connector housing 101 as an example, to illustrate that multiple conductors can be inserted or inserted into the connector housing 101. These five conductors belong, by way of example, to two lines 106, 107. Four conductors from a first line 106 lead, by way of example, into the connector housing 101. One conductor from a second line 107 leads, by way of example, into the connector housing 101. The number of two lines 106, 107 is purely exemplary, to illustrate that conductors from at least one line 106, 107 can be inserted or inserted into the connector housing 101. As in Fig. As can be seen by way of example 1, four more wires could be inserted or fitted into the connector housing 101, but the corresponding wire openings or sockets are not occupied. In Fig. Figure 1 also shows an insertion direction E. The insertion direction E corresponds to the direction in which the conductors of the cables 106, 107 are inserted or can be inserted into the connector housing 101. Opposite the insertion direction E is an exit direction A of the conductors or cables 106, 107. The exit direction A, which can also be referred to as the cable exit direction A, denotes the direction from which the conductors of the cables 106, 107 extend out of the connector housing 101 into the cables 106, 107.

[0033] The connector 10 further comprises an adapter element 103. The adapter element 103 can be attached to a section of the connector housing 101 and, in the example shown, is made of Fig. 1. In the example shown, the adapter element 103 is applied to an upper section or end section of the connector housing 101. The adapter element 103 is applied, or can be applied, to the section, for example the upper section or end section, of the connector housing 101 such that the adapter element 103 and the connector housing 101 provide a cavity open in the opposite direction of insertion E. In other words, the adapter element 103 is applied, or can be applied, to the section, for example the upper section or end section, of the connector housing 101 such that the adapter element 103 and the connector housing 101 provide a cavity open in the power output direction A. The cavity is in Fig. 1. Open on one side. On the side opposite the opening, the cavity is bounded by a section of the connector housing 101 facing the connector contacts. The cavity is bounded on the sides by the adapter element 103.

[0034] As in Fig. As can be seen in Figure 1, the conductors of lines 106 and 107 are sealed within the connector housing. The corresponding seal(s) 108 can, for example, be a single-wire seal or a mat seal, or be designed as a single-wire seal or a mat seal. Direct overmolding with high injection molding pressure could damage these seals 108. To provide protection from the injection molding pressure, a potting compound 104 is applied, as described below.

[0035] The connector 10 further comprises a potting material 104 introduced into the cavity, which may be designed as a potting component or may form a potting component. The potting material 104 may comprise a potting resin or be designed as a potting resin. By way of example only, with regard to Fig. 1. It is assumed that the potting resin is an epoxy resin. Alternatively, the potting material 104 may be a different viscous or viscous material, or may be designed as such. For example, the potting material 104 may have a viscosity such that it can distribute itself at least almost uniformly in the cavity. For example, the potting material 104 may have a viscosity such that it flows at least almost not at all, or hardly at all, in the insertion direction E into the wire openings or sockets of the connector housing 101, into which the wires of the cables 106, 107 can be inserted or have been inserted.

[0036] In the example from Fig. 1. The adapter element 103 is designed as a separate or isolated element from the connector housing 101. This allows standard connectors to be adapted by attaching the adapter element 103 to form a cavity for receiving the potting material 104. Depending on the intended connector 10, for example, the dimensions and / or shape of the connector housing 101, a different adapter element 103 can be used and attached to the connector housing 101. For example, a set of adapter elements 103 can be provided, at least one of which may be identical and / or at least one of which may be differently designed.

[0037] As in Fig. As can be seen in Figure 1, the adapter element 103 is mounted on the section of the connector housing 101 such that at least one section of the adapter element 103 projects from the connector housing 101 in the opposite direction of insertion E. Another section of the adapter element 103 overlaps the connector housing 101. The section of the adapter element 103 projecting from the connector housing 101 forms a kind of neck / bottleneck / collar with its outer walls, through which the potting material 104 can be introduced or poured into the cavity. Furthermore, the outer walls, together with a portion of the connector housing 101 as the underside, form a kind of basin in which the potting material 104 can be held and harden. In the area where the connector housing 101 and the adapter element 103 overlap longitudinally, a radially projecting projection or recess is formed in the connector housing.The projection or recess can, for example, extend in a ring shape around the connector housing 101 or encircle the connector housing 101 in a ring shape. The adapter element 103 can be placed on the projection and held in place by the projection or recess. A recess can be understood as a shoulder or step on a workpiece.

[0038] In the example shown, the adapter element 103 is designed in multiple parts, for instance, in two parts. This allows one part of the adapter element 103 to be attached to the connector housing 101, in particular to the projection or recess, and another part of the adapter element 103 to be attached to the connector housing 101, in particular to the projection or recess. With a different connector housing 101 shape, a one-piece design of the adapter element 103 is also possible.

[0039] The connector 10 further comprises a sealing element 102. The sealing element 102 is attached to or arranged around the connector housing 101. More precisely, the sealing element 102 is arranged between the adapter element 103 and the connector housing 101. In the example shown, the sealing element 102 is located between one leg of the U-shaped section in cross-section that surrounds the projection or recess and the connector housing 101. The sealing element 102 provides a seal for the connector 10. Furthermore, the sealing element 102 can compensate for any play in the contact surfaces between the projection of the connector housing 101 and the adapter element 103.

[0040] The connector 10 further comprises an overmolding 105. The overmolding 105 is arranged around at least a section of the adapter element 103. The overmolding 105 seals the connector from the environment. In addition, the overmolding 105 fixes the adapter element 103 to the connector housing 101. The overmolding 105 is arranged, by way of example, only on a section of the adapter element 103, but can also extend further towards the connector housing 101 and thus surround the adapter element 103 and at least a section of the connector housing 101.

[0041] The connector housing 101, the adapter element 103, and the sealing element 102 together form a kind of enclosed basin into which the potting compound 104 can be placed. This basin is open towards the cable exit and can therefore be filled. After curing, the potting compound 104 has properties such that it resists the application of the overmolding 105 and / or is not damaged by the application of the overmolding 105. The overmolding 105 can, for example, protect the conductors and / or the seals 108 of the conductors during the overmolding process. A suitable overmolding material for the overmolding 105 can be selected such that it melts appropriately and / or bonds appropriately with the adapter element 103 and / or the connector housing 101. For this purpose, properties of lines 106, 107 and / or adapter element 103 can also be taken into account.

[0042] In Fig. Figure 2 shows a flowchart of a process for manufacturing a connector 10. In step S202, a connector housing 101 is provided. Several conductors of at least one cable 106, 107 are inserted into the connector housing 101 in an insertion direction E, or can be inserted in an additional step. The conductors can be inserted into the connector housing 101 before or after step S202. In step S204, an adapter element 103 is applied to at least one section of the connector housing 101. The adapter element 103 is applied to the section of the connector housing 101 such that the adapter element 103 and the connector housing 101 provide a cavity open opposite the insertion direction E. In step S206, a potting material 104 is introduced into the cavity.

[0043] Step S208 indicates at least one optional step. In optional step S208, a sealing element 102 can be applied around the connector housing 101, e.g., between the adapter element 103 and the connector housing 101. In optional step S208, additionally or alternatively, at least a section of the adapter element 103 can be overmolded.

[0044] For example, the adapter element 103, together with a suitable sealing element 102, such as an O-ring, can be placed around the connector housing 101, subsequently filled with a potting material 104, and then overmolded. Filling with a potting material 104 can compensate for injection molding pressure resulting from the aforementioned (downstream) injection molding process in the area of ​​the single-wire seals 108. In this way, any potential interference with or damage to the electrical connector contacts or the corresponding seals 108 can be avoided.

[0045] Furthermore, validated connectors can be sealed with minimal effort. For example, with connector 101 sealed as described herein, only the end where it is sealed needs to be validated. This reduces the validation effort.

[0046] Using connector 10, a wiring harness 1 can be provided for a vehicle. An example wiring harness 1 is shown in Fig. Figure 3 shows the wiring harness 1, which, by way of example, has three connectors 10 to illustrate the presence of at least one connector 10. At least one wire 106, 107 leads into each connector. For simplicity, the individual wires of the wires 106, 107 are shown in Fig. Figure 1 shows that, for example, two wires 106, 107 lead into an upper connector 10, three wires lead into the middle connector 10, and one wire leads into the lower connector 10.

[0047] The wiring harness 1 can include a low-voltage storage device as an example of at least one low-voltage power supply arranged in or connected to the wiring harness 1. Instead of the low-voltage storage device, other power supplies or energy sources can also be arranged, for example, a low-voltage accumulator or a low-voltage battery, or similar. The wiring harness 1 includes several electrical and / or electronic components 200a, 200b arranged in or connected to the wiring harness 1. Examples are shown in Fig. Figure 3 shows two such electrical and / or electronic components 200a, 200b to illustrate that a variety of electrical components 200a, 200b may be provided. The electrical and / or electronic components 200a, 200b may be drives, actuators, sensors, displays, control units, etc. For brevity, the electrical and / or electronic components 200a, 200b will be referred to hereafter simply as electrical components 200a, 200b. The electrical components 200a, 200b may, for example, be components of air conditioning or heating devices or on-board chargers. The electrical components 200a, 200b may also be sensors and / or actuators for break-by-wire. All in Fig. The 3 connectors used and shown are basically constructed as described in relation to the Fig.The connectors described in section 1 may have a different number of contacts, shapes, sizes, wires, and conductors. However, this does not affect their fundamental design and function. QUOTES INCLUDED IN THE DESCRIPTION

[0000] This list of documents cited by the applicant was automatically generated and is included solely for the reader's convenience. The list is not part of the German patent or utility model application. The DPMA accepts no liability for any errors or omissions. Cited patent literature

[0000] DE 10 2020 125 490 B3

[0004]

Claims

[1] Connector (10) for several conductors of at least one cable (106, 107), in particular for a wiring harness of a vehicle, wherein the connector (10) has: a connector housing (101) wherein several conductors of at least one line (106, 107) are inserted or can be inserted into the connector housing (101) in an insertion direction (E); an adapter element (103) that is applied or can be applied to at least a section of the connector housing (101), wherein the adapter element (103) is applied or can be applied to the section of the connector housing (101) such that the adapter element (103) and the connector housing (101) provide a cavity open in the opposite direction to the insertion direction (E); and a casting material introduced into the cavity (104). [2] Plug (10) according to claim 1, wherein the adapter element (103) is applied or can be applied at least to the section of the plug housing (101) such that at least one section of the adapter element (103) projects beyond the plug housing (101) in the direction of insertion (E). [3] Connector (10) according to claim 1 or 2, wherein the adapter element (103) is designed as an element separate or distinct from the connector housing (101). [4] Plug (10) according to any one of claims 1 to 3, wherein the adapter element (103) is formed in one piece or in multiple pieces. [5] Connector (10) according to any one of claims 1 to 4, wherein the connector (10) further comprises a sealing element (102) that is attached around the connector housing (101). [6] Connector (10) according to claim 5, wherein the sealing element (102) is arranged between the adapter element (103) and the connector housing (101). [7] Connector (10) according to any one of claims 1 to 6, wherein the connector (10) further comprises an overmolding (105) which is arranged at least around a section of the adapter element (103). [8] Plug (10) according to any one of claims 1 to 7, wherein the potting material (104) comprises a potting resin, in particular an epoxy resin or a polyurethane resin, or is designed as a potting resin, in particular an epoxy resin or a polyurethane resin. [9] Method for manufacturing a connector (10) for several conductors of at least one cable (106, 107), in particular for a wiring harness of a vehicle, the method comprising: Providing (S202) a connector housing (101) wherein several conductors of at least one line (106, 107) are inserted or can be inserted into the connector housing (101) in an insertion direction (E); Applying (S204) an adapter element (103) to at least one section of the connector housing (101), wherein the adapter element (103) is applied to the section of the connector housing (101) such that the adapter element (103) and the connector housing (101) provide a cavity open in the opposite direction to the insertion direction (E); and Introducing (S206) a potting material (104) into the cavity. [10] Method according to claim 9, wherein the method further comprises applying (S208) a sealing element (102) around the connector housing (101). [11] Method according to claim 9 or 10, wherein the method further comprises arranging (S208) the sealing element (102) between the adapter element (103) and the connector housing (101). [12] Method according to any one of claims 9 to 11, wherein the method further comprises overmolding (S208) at least one section of the adapter element (103). [13] Wiring harness (1) for a vehicle, wherein the wiring harness (1) comprises: at least one line (106, 107) with at least one conductor; at least one connector (10) according to one of claims 1 to 8.

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