Plug connector and mounting method suitable for a plug connector

Abstract

The invention relates to a plug connector (1) and an installation method suitable for a plug connector, comprising a housing (10), a through-hole (12) formed in the housing (10) along a first direction (X) between a first side and a second side (S2), a contact carrier (20) which can be introduced into the through-hole (12) for fastening a wire (2) in the housing (10), the contact carrier (20) having a first fastening means (21), according to the invention, the contact carrier (20) has a separate first fastening means (21), by means of which the contact carrier (20) can be fastened to the conductor (2), and the first fastening means (21) is rigidly or flexibly designed, and the contact carrier (20) has a separate second fastening means (22), by means of which the contact carrier (20) can be fastened in the housing (10), and the second fastening means (22) is flexibly designed. The invention also relates to an installation method suitable for the plug connector (1).

Description

Technical Field

[0001] The present invention relates to a plug connector and a method for installing a plug connector suitable for a plug connector, or more particularly for a wire, especially a coaxial wire. Background Art

[0002] Housings for coaxial plug connections, especially plastic housings, serve to enclose one or more electrical (plug connector) contacts and ensure the mechanical enclosure of the overall (plug connector) system. The basic structure of the overall (plug connector) system includes pins and coupler housings. In each pin and coupler housing, a primary locking portion ensures that one or more contacts are fixed and held in the respective housing. Optionally, each pin and coupler housing can also have a secondary locking portion to further ensure the mechanical enclosure (of the primary locking portion). Additionally, an additional optional protective member (so-called connector position assurance CPA) can prevent accidental loosening of the plug connection. The housing variants mentioned can be implemented optionally in a waterproof manner.

[0003] In the automotive field, it mainly relates to all known FAKRA and mini coaxial systems. There are known requirements for the primary locking portion and the secondary locking portion, mating plug protection, installability or removability, etc. due to standards and specifications.

[0004] In the prior art, since a closed (and thus sealed) housing is not formed, it is not possible to laterally engage the secondary locking portion in a waterproof system. Additionally, the (plug connector) systems in the prior art typically have a secondary locking portion that only locks a movable primary locking hook but does not create any additional interlocking. This structure results in little mechanical stability. Moreover, disassembly is usually complex or can only be achieved by destruction.

[0005] Another disadvantage resulting from the prior art is the high difference or number of different geometries of the (plug connector) housing, such as those suitable for waterproof and non-water-sealed housings. It can be concluded that for these high differences, different operating devices also have to be purchased, which means high investment, and different processes such as installation, plugging, etc. have to be carried out. As a result, the cost is increased and the manufacturing chain is extended, which ultimately makes the manufacturing of the product expensive. Summary of the Invention

[0006] Therefore, an object of the present invention is to provide a plug connector and an installation method that at least partially reduce the above-mentioned disadvantages.

[0007] The above object is achieved by the plug connector according to claim 1 and the installation method according to claim 9. Further advantageous embodiments of the present invention can be obtained from the dependent claims, the description, and the drawings.

[0008] In particular, the above object is achieved by a plug connector suitable for a wire, the plug connector having: a housing, a through-hole constructed along a first direction between a first side and a second side in the housing, and a contact carrier that can be introduced into the through-hole to fasten the wire in the housing, wherein the contact carrier has a first fastening device with which the contact carrier can be fastened to the wire, and the first fastening device is constructed rigidly or flexibly, and the contact carrier has a separate second fastening device with which the contact carrier can be fastened in the housing, and the second fastening device is constructed flexibly.

[0009] The plug connector has a main locking portion realized by means of the contact carrier, wherein locking is achieved at two separate (i.e., spatially separated) points. The first locking or locking on the first fastening device between the wire and the contact carrier and the spatially separated second locking between the contact carrier and the housing are achieved by means of the second fastening device. In particular, the first and second fastening devices are respectively arranged on opposite sides of the contact carrier. The first and second fastening devices are constructed such that they ensure reliable locking and mechanical stability. The first fastening device does not (undesirably) automatically become loose. The second fastening device can be designed to be elastically deformable based on its spatially separated arrangement, wherein, however, the contact carrier and the plug connector overall provide reliable mechanical stability. In particular, the second fastening device is arranged on the first side or the cable outlet side of the plug connector. The first side is opposite to the second side or the plugging side, on the second side or the plugging side, the plug connector can be plugged with a matching mating plug connector. The spatial separation of functions, especially the separation of the main locking portion from the plugging side of the plug connector, enables a plug connector with a small structural space as well as high reliability and mechanical stability. In particular, the main locking portion is spatially separated from the plugging surface of the plug connector. Therefore, the main locking portion does not have an adverse effect on the optional mating plug protection member. The mating plug protection member can be designed independently of the main locking member and arbitrarily, which enables a wide range of different plugging modes to be widely applied in the same housing. Thereby, the number of components is kept small.

[0010] Preferably, the plug connector further has at least one opening that extends transversely to the first direction between the through-hole and the outer surface of the housing, wherein the second fastening device is fitted into at least one opening serving as a recess when the contact carrier is completely introduced into the housing. The recess provides reliable mechanical stability and locking in a small space. In addition, the fitting with the recess can be released again from the outside through the opening, so as to simply and undamagedly disassemble the plug connector.

[0011] Preferably, the contact carrier has a gap along a first direction, wherein the gap is arranged in the first section. Through this gap, the contact carrier can be fastened to the wire laterally and / or by a tilting movement. Thus, the contact carrier can be arranged at any position on the wire. Therefore, the contact carrier can be directly inserted into a recess on the wire at least in a first region. The first and / or second seal seals the inner cavity of the housing against external environmental influences, such as water or dirt, when the contact carrier is introduced.

[0012] Preferably, the through-hole has a tunnel section, and the inner diameter of the tunnel section is selected such that when the contact carrier is completely introduced into the housing, the wire is prevented from becoming disengaged from the contact carrier, and in particular from the first fastening means. The rigid or flexible first fastening means on the contact carrier forms an insurmountable barrier for the wire together with the inner wall of the tunnel section when the contact carrier is introduced into the tunnel section, so that the wire does not become undesirably disengaged without the contact carrier being removed from the housing. Thereby, a very high reliability of the main locking part on the plug connector is achieved.

[0013] Preferably, the contact carrier is constructed in one piece, wherein the contact carrier includes at least one first region and a second region, and the first region and the second region are preferably formed together by a 2K injection molding method, wherein the first region has a rigid or flexible shape and the second region has a flexible shape. The one-piece structure of the contact carrier enables simple installation. The possibly different flexibility of the materials in different regions of the contact carrier enables an optimal match of the fastening or locking means to the spatial situation on the housing, so that good mechanical stability can be achieved with optimal space utilization (in a smaller space).

[0014] Preferably, the second region has a larger diameter than the first region. By the larger diameter, in particular the larger inner diameter, in the second region, on the one hand, the introduction of the wire into the contact carrier is made easier. On the other hand, it is possible to achieve an inclination of the wire in this region, so that for example the first fastening means (tipping out) can (at least partially) guide past the contact region of the wire and be arranged on the wire again (tipping in). Finally, the larger diameter provides a gap between the wire and the second fastening means, enabling the second fastening means to move flexibly in order to engage in locking or become disengaged again.

[0015] Preferably, the plug connector further has a cover which can be locked to the housing and which closes the housing and at least one opening on a first side. The structure of the plug connector can be very simply protected by the cover. No changes to the housing are required, for example, which keeps the number of different housing components and process steps small. The cover protects the plug connector on at least two different sides, for example on the cable outlet side and on its lateral sides. Different from simply mounting or inserting into the housing as in the prior art, locking the cover to the housing provides an additional retaining member which improves the reliability of the plug connector. Finally, by covering at least one opening with the cover, the cover prevents the second fastening device from accidentally coming loose from the outside.

[0016] Preferably, the cover has a protrusion, wherein the protrusion applies a prestress to the contact carrier when the cover is in a locked state at the housing. By means of this protrusion, the cover applies a prestress to the contact carrier and thereby holds the contact carrier in position. In particular, the (material) fatigue phenomenon which can cause an undesired gap of the contact carrier in the housing is compensated by the prestress. By means of this protrusion, the cover fulfills in addition to the protection function also the function of a secondary locking part. The secondary locking part provides protection against accidental loosening of the locking of the contact carrier in the housing and increases the reliability of the plug connector. Furthermore, preferably, the volume of the protrusion is formed such that when the contact carrier is not fully inserted into the housing, the cover cannot be fully locked to the housing and thus serves as an indication of a wrongly installed plug connector, or the cover pushes the contact carrier into the fully inserted position when locked to the housing, wherein the reliability of the plug connector is again increased by these two possibilities.

[0017] The above problem is also solved in particular by an installation method suitable for a plug connector at a wire, wherein the plug connector comprises at least one housing and a contact carrier which can be arranged in the housing, and the installation method has the following steps: providing the wire along a first direction, arranging the contact carrier at the wire by an insertion or tilting movement from a direction transverse to the first direction, and introducing the contact carrier together with the wire along the first direction into the housing until the contact carrier is locked in the housing.

[0018] The step of arranging the contact carrier on the wire by a lateral insertion and / or a tilting movement transverse to the first direction enables a rigid or flexible first fastening device to be arranged in a recess in the wire without having to move the first fastening device on the wire. Moving the first fastening device on the wire can cause damage to the movement and / or the fastening device. If the contact carrier is then fully inserted into the housing, the material thickness and / or shape of the first fastening device enables high reliability during fastening. Introducing the contact carrier into the housing along the first direction again enables a waterproof plug connector to be formed and keeps the installation of the plug connector in a simple state.

[0019] Preferably, the step of arranging the contact carrier at the conductor includes laterally inserting or guiding along the first direction, in particular vertically to the first direction, wherein the second central axis of the contact carrier is oriented transversely to the first direction and then tilted such that the second central axis is oriented along the first direction on the conductor. Guiding along the first direction, wherein the second central axis is oriented transversely to the first direction is for moving the rigid or flexible first fastening means alongside the conductor until the first fastening means can be arranged at a matching position, i.e., a recess, on the conductor. The tilting onto the conductor is effected at this matching position. Description of the Drawings

[0020] The following description of the embodiments is made with reference to the drawings. Shown herein are:

[0021] Figure 1 A perspective view showing an embodiment of a plug connector;

[0022] Figure 2 Showing along the first direction Figure 1 A cross-sectional view of an embodiment of the plug connector in

[0023] Figure 3 A perspective view showing an embodiment of a housing;

[0024] Figure 4 A perspective view showing an embodiment of a contact carrier;

[0025] Figure 5 Showing Figure 4 Another perspective view of an embodiment of the contact carrier in

[0026] Figure 6 Showing along the first direction Figure 4 A cross-sectional view of an embodiment of the contact carrier in

[0027] Figure 7 A perspective view showing an embodiment of a conductor provided with a contact area;

[0028] Figure 8 Showing Figure 7 A perspective view of an embodiment of the conductor in , on which a contact carrier is arranged;

[0029] Figure 9 Showing Figure 7 A perspective view of an embodiment of the conductor in , on which a cover is arranged; and

[0030] Figure 10 Showing Figure 7 A perspective view of an embodiment of the conductor in , on which a cover and a contact carrier are arranged; Detailed Embodiments

[0031] Preferred embodiments will be described in detail below with reference to the accompanying drawings.

[0032] Figure 1 An embodiment of the plug connector 1 suitable for the wire 2 is shown. The plug connector 1 enables the wire 2 to be connected to a matching mating plug connector, which can be attached to another wire or a final electrical appliance.

[0033] The plug connector 1 has at least one housing 10. The housing 10 is preferably made of plastic and has dimensions in the range of a few millimeters to a few centimeters. The housing 10 extends on the wire 2 in the installed state from a first side S1 (so-called cable outlet side) to an opposite second side S2 (so-called plugging side), on which the plug connector 1 can be plugged with a matching mating plug connector. Plugging is achieved by introducing the mating plug connector into a receiving portion 13 on the plugging surface of the plug connector 1, wherein optionally, by means of a mating plug protection, it can be ensured that only a matching mating plug connector can be successfully plugged onto the plug connector 1.

[0034] In the housing 10, a through-hole 12 is constructed (see Figure 2 and Figure 3 ). The through-hole 12 extends in the housing 10 in a first direction X, which also constitutes the insertion direction of the plug connector 1 and the mating plug connector. The through-hole 12 extends between the first side S1 and the second side S2. The through-hole 12 has at least one tunnel section T, the inner diameter of which is selected such that when the contact carrier 20 is completely introduced into the housing 10, the detachment of the wire 2 from the contact carrier 20 and especially from the first fastening device 21 is prevented or blocked. At the end of the tunnel section T on the second side S2, at least one stop 15 is arranged or constructed, which signals the maximum introduction of the contact carrier 20 when entering the stop.

[0035] The illustrated plug connector 1 also has a contact carrier 20, which can be introduced into the through-hole 12. In Figure 4 a preferred embodiment of the contact carrier 20 is shown. The contact carrier 20 is fastened to the wire 2 before being introduced into the housing 10 or the through-hole 12. The contact carrier 20 is used to fasten the wire 2 in the housing 10. The contact carrier 20 is a hollow body, and when the contact carrier 20 is in the completely introduced state in the housing 10, the second central axis M2 of the hollow body is arranged along the first central axis M1 of the housing 10. In the completely introduced or installed state, the wire 2 is oriented along the first direction X and the first central axis M1 in the region of the plug connector 1.

[0036] The shown contact carrier 20 has at least a first fastening device 21 by means of which the contact carrier 20 can be fastened to the conductor 2. The shown first fastening device 21 is constructed rigidly or stiffly or with shape stability. In an alternative embodiment, the first fastening device 21 can be constructed flexibly. An example of a flexible first fastening device 21 is a locking hook. Preferably, the first fastening device 21 is formed as a protrusion integrally constructed with the contact carrier 20. The first fastening device 21 can be elastically deformable or non-elastically deformable. The first fastening device 21 is arranged at a corresponding position on the conductor 2 and forms a pre-fixed manner of the contact carrier 20 on the conductor 2. In interaction with the housing 10 or the tunnel section T of the through-hole 12, the first fastening device 21 forms the (final) fixation of the conductor 2 in the housing 10 in the state where the contact carrier 20 is fully inserted into the housing 10, because the conductor 2 cannot be removed from the fastening while the contact carrier 20 is not removed from the housing 10.

[0037] The shown contact carrier also has at least a second fastening device 22 by means of which the contact carrier 20 can be fastened in the housing 10. The second fastening device 22 is constructed flexibly, i.e., elastically deformable. Flexibility is obtained by selecting an elastically deformable plastic material. The second fastening device 22 is in particular constructed as a protrusion at least partially surrounding the contact carrier 20. The second fastening device 22 can be radially compressed and expand radially outwards again when the compressive force is removed.

[0038] Figure 3 The housing 10 of the shown plug connector 1 also has at least one opening 14 which extends transversely to the first direction X between the through-hole 12 and the outer surface of the housing 10. The at least one opening 14 is preferably already formed when the housing 10 is formed, but the opening can also be later cut into the housing 10. The at least one opening 14 preferably has the shape of a notch. The second fastening device 22 can be snapped into the at least one opening 14 as a depression when the contact carrier 20 is fully inserted into the housing 10 and thereby fasten the contact carrier 20 to the housing or in the housing 10.

[0039] The shown contact carrier 20 can be divided into a first section A1 and a second section A2 (see Figure 6). The first section A1 can be configured to be rigid or flexible and includes a first fastening device 21. The second section A2 is configured to be flexible at least in the region of the second fastening device 22. The shown contact carrier 20 is configured as one-piece. The shown contact carrier 20 can also be further divided. When divided, the contact carrier 20 includes at least one first region B1 and a second region B2, which are connected to each other by a base 23. The first region B1 and the second region B2 are preferably formed together in a 2K injection molding method. The first region B1 is located in the first section A1, has a rigid or flexible shape, and forms the region of the first fastening device 21 along a first direction X. The second region B2 is located in the second section A2, at the opposite end of the contact carrier 20 along the first direction X with respect to the first region B1. The second region B2 has a flexible shape and forms the region of the second fastening device 22 along the first direction X. The second region B2 also has a second (inner) diameter D2 that is larger than the first (inner) diameter D1 of the first region B1. The larger second diameter D2 in the second region B2 enables a clearance or inclination of the wire 2 in the second region B2. The first diameter D1 in the first region B1 closely abuts against the wire 2 or is even slightly smaller than the outer diameter of the wire 2 in the wide part, such that the first region B1 can only be arranged in the section of the wire 2 provided therefor, i.e., the recess 8, which has a smaller outer diameter.

[0040] Figure 7 A preferred embodiment of the wire 2 is shown. The shown wire 2 includes a coaxial wire or coaxial cable, which has a contact region 3. The contact region 3 has at least one crimp sleeve 4, an inner conductor contact 5 (see Figure 2 ), an outer conductor contact 6, and a recess 8. The shown recess 8 is formed between the outer conductor contact 6 and the crimp sleeve 4. In an alternative embodiment, the recess 8 can also be formed on the wire 2 at other positions or by other components or sections having a partial removal layer of the wire 2. The recess 8 is preferably configured to be circumferential, such that the wire 2 can be arranged in the first fastening device 21 at each circumferential section.

[0041] The shown contact carrier 20 also has a clearance 24 on the first section A1 along the first direction X. The first seal 25 and the second seal 26 are arranged at least partially circumferentially and seal the through hole 12 towards the first side S1 in the fully inserted state. The first seal 25 and the second seal 26 are formed to be flexible, i.e., elastically deformable.

[0042] For the protected plug connector 1, the plug connector 1 further has a cover 30 (see attached Figure 1 、 9and 10). The cover 30 can be locked onto the housing 10 and closes the housing 10 on the first side S1 and protects at least one opening 14. The illustrated cover 30 also has a protrusion 34. The illustrated protrusion 34 is integrally formed with the cover 30 made of plastic and is circumferentially configured. The illustrated protrusion 34 applies a prestress to the contact carrier 20 when the cover 30 at the housing 10 is in the locked state and thereby prevents the second fastening device 22 from coming loose from the recess of the at least one opening 14.

[0043] The following refers to Figures 7 to 10 an installation method for the illustrated plug connector 1 onto the wire 2. The installation method has at least the following steps: First, as shown in Figure 7 , the wire 2 is provided along a first direction X. If the protected plug connector 1 is installed, then first the cover 30 is slipped onto the wire 2 along the first direction X from the second side S2 towards the first side S1 or from the outer conductor contact 6 towards the cable extension direction (see Figure 9 ). The slipping on of the cover 30 and all installation steps can be carried out manually, however it is preferably performed automatically.

[0044] Then the contact carrier 20 is arranged on the wire 2. In one embodiment, first the illustrated contact carrier 20 is slipped onto the wire 2, wherein the contact carrier 20 is oriented transversely to the first direction X, that is to say at least partially along the second or third direction Y, Z, such that the first fastening device 21 extends adjacent to the wire 2. Only when the first region B1 is at the height of the recess 8 along the first direction X is the tilting movement of the contact carrier 20 onto the wire 2 carried out such that the contact carrier 20 is oriented along the first direction X (see Figure 8 and Figure 10 ). In this orientation, the first fastening device 21 and the wire 2 are in the pre-fixation already mentioned.

[0045] Subsequently, the contact carrier 20 together with the wire 2 is introduced into the housing 10 along the first direction X until the contact carrier 20 is locked in the housing 10. The locking here means on the one hand that the introduction is carried out until the first region B1 of the contact carrier 20 abuts against the stop 15 in the through-hole 12. And on the other hand, during the introduction, the second fastening device 22 is automatically compressed when entering the housing 10, and the second fastening device only expands again and forms an engagement with the housing 10 when the second fastening device 22 reaches at least one opening 14 in the state where the contact carrier 20 is completely introduced into the housing 10. This engagement fixes the contact carrier 20 on the housing 10. This engagement can be released when the second fastening device 22 is radially inwardly compressed from the outside, preferably with the aid of an auxiliary tool, and at the same time the contact carrier 20 is moved out of the housing 10.

[0046] Especially in the case of the protected plug connector 1, the cover 30 is finally moved along the conductor 2 towards the housing 10 until the fastening means 32 on the cover 30 engages or locks with the locking means 19 on the housing 10 (see Figure 1 ). The locking fixes the cover 30 on the housing 10 and additionally prevents the contact carrier 20 from being undesirably removed from the housing 10. For the cover 30 shown to be able to lock with the projection 34 at the housing 10, the contact carrier 20 must be in the fully inserted position or in the fully installed state. If the contact carrier 20 is not in the fully inserted position, the contact carrier 20 can either be transferred to the fully inserted position by applying increased pressure on the cover 30 in the direction of the housing 10 until the cover 30 locks at the housing 10. Or the non-locking of the cover 30 serves as an indication that the plug connector 1 is not properly installed. This locking or non-locking can be easily seen from the outside and can in particular be recognized by an automated inspection process.

[0047] Preferably with the aid of a tool, the locked cover 30 can be disassembled from the housing 10 without damage. When the plug connector 1 is completely disassembled, the second fastening means 22 is then preferably loosened from the housing 10 or from at least one opening 14 with the aid of a tool. At the same time, the contact carrier 20 is removed from the housing 10 or the housing 10 is pulled out of the contact carrier 20 through the external conductor contact 6. Finally, the contact carrier 20 and the conductor 2 are separated from each other by unscrewing and / or laterally removing the first fastening means 21 from the recess 8 on the conductor 2.

[0048] The preferred embodiment described has the following functions in summary with respect to the main locking part and the secondary locking part. The contact carrier 20 and the housing 10 are two separate components, which fulfill the functions of the main locking part (for the wire 2 in the plug connector 1) in the assembled state. In this main locking part, the functions of "fixing the wire 2 in the contact carrier 20" and "fixing the contact carrier 20 in the housing 10" are achieved at two different positions. The fixing of the wire 2 in the contact carrier 20 is carried out by the first fastening device 21 in the first region B1. The fixing of the contact carrier 20 in the housing 10 is achieved by a separate and spatially separated second fastening device 22 along the contact carrier 20 in the second region B2. Through the spatial separation of these two functions, the structure of the plug connector 1 can be kept very small and yet mechanically stable. Optionally, a secondary locking part can be added. A prestress is exerted on the contact carrier 20 by the protrusion 34 of the cover 30 to form the secondary locking part. Therefore, this secondary locking part does not act as a locking part to prevent the main locking part from loosening from the wire as in the prior art, but acts as a locking part to prevent the contact carrier 20 from loosening from the housing 10, and indirectly also prevents the wire 2 from (accidentally) loosening from the contact carrier 20. Through the principle of action of this secondary locking part, the plug connector can be constructed very effectively and, for example, the function of the secondary locking part can be advantageously combined with the function of (additional) protection. In addition, protective parts such as CPA can be arranged without drawbacks on the main locking part and the secondary locking part on the housing 10.

[0049] List of reference numerals

[0050] 1 Plug connector

[0051] 2 Wire

[0052] 3 Contact area

[0053] 4 Crimp sleeve

[0054] 5 Inner conductor contact

[0055] 6 Outer conductor contact

[0056] 8 Depression

[0057] 10 Housing

[0058] 12 Through hole

[0059] 13 Receiving part

[0060] 14 Opening

[0061] 15 Stop

[0062] 19 Locking device

[0063] 20 Contact carrier

[0064] 21 First fastening device

[0065] 22 Second fastening device

[0066] 23 Base

[0067] 24 Gap

[0068] 25 First seal

[0069] 26 Second seal

[0070] 27 Annular gap

[0071] 30 Cover

[0072] 32 Fastening device

[0073] 34 Protrusion

[0074] A1 First section

[0075] A2 Second section

[0076] B1 First region

[0077] B2 Second region

[0078] D1 First diameter

[0079] D2 Second diameter

[0080] M1 First central axis

[0081] M2 Second central axis

[0082] S1 First side

[0083] S2 Second side

[0084] T Tunnel section

[0085] X First direction

[0086] Y Second direction

[0087] Z Third direction.

Claims

1. A plug connector (1) suitable for a wire (2), the plug connector having: a) a housing (10); b) a through-hole (12) which is constructed in the housing (10) between a first side (S1) and a second side (S2) along a first direction (X); c) a contact carrier (20) which can be introduced into the through-hole (12) for fastening the wire (2) in the housing (10); wherein, d) the contact carrier (20) has a first fastening device (21) with which the contact carrier (20) can be fastened to the wire (2), and the first fastening device (21) is constructed rigidly or flexibly; and e) the contact carrier (20) has a separate second fastening device (22) with which the contact carrier (20) can be fastened in the housing (10), and the second fastening device (22) is constructed flexibly.

2. The plug connector (1) according to claim 1 further has at least one opening (14) which extends transversely to the first direction (X) between the through hole (12) and the outer surface of the housing (10), wherein, The second fastening device (22) engages in at least one opening (14) which is a recess when the contact carrier (20) is fully introduced into the housing (10).

3. The plug-in connector (1) according to claim 1 or 2, wherein, The contact carrier (20) has a gap (24) along the first direction (X), wherein the gap (24) is arranged in a first section (A1).

4. The plug-in connector (1) according to any one of claims 1 to 3, wherein, The through-hole (12) has a tunnel section (T), and the inner diameter of the tunnel section is selected such that when the contact carrier (20) is fully introduced into the housing (10), the wire (2) is prevented from becoming loose from the contact carrier (20), and in particular from the first fastening device (21).

5. The plug-in connector (1) according to any one of claims 1 to 4, wherein, The contact carrier (20) is constructed in one piece, wherein the contact carrier (20) includes at least one first region (B1) and a second region (B2), and the first region and the second region are preferably formed together by a 2K injection molding method, wherein the first region (B1) has a rigid or flexible shape and the second region (B2) has a flexible shape.

6. The plug-in connector (1) according to claim 5, wherein, The second region (B2) has a larger diameter than the first region (B1).

7. The plug connector (1) according to any one of claims 2 to 6, further having a cover (30) which can be locked to the housing (10) and which closes the housing (10) and the at least one opening (14) on the first side (S1).

8. The plug-in connector (1) according to claim 7, wherein, The cover (30) has a protrusion (34), wherein the protrusion (34) applies a prestress to the contact carrier (20) when the cover (30) at the housing (10) is in a locked state.

9. A method for installing a plug connector (1) suitable for a wire (2), in particular for a plug connector according to any one of claims 1 to 8, wherein, The plug connector (1) includes at least one housing (10) and a contact carrier (20) which can be arranged in the housing (10), and the installation method has the following steps: a) providing the wire (2) along the first direction (X); b) arranging the contact carrier (20) at the wire (2) from a direction transverse to the first direction (X) by an insertion or tilting movement; and c) Introduce the contact carrier (20) together with the conductor (2) into the housing (10) along the first direction (X) until the contact carrier (20) locks within the housing (10).

10. The installation method according to claim 9, wherein, The step of arranging the contact carrier (20) at the conductor (2) comprises: inserting laterally, in particular vertically, transversely to the first direction (X), or guiding along the first direction (X), wherein a second central axis (M2) of the contact carrier (20) is oriented transversely to the first direction (X) and is then tilted such that the second central axis (M2) is oriented along the first direction (X) over the conductor (2).

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