Housing Assembly for Module Connector

Abstract

To provide a housing assembly for a module connector using a screw that can be quickly and easily aligned and assembled.SOLUTION: A housing assembly 1 of a modular connector according to the present invention includes a housing with a passage opening 12 extending in a connection direction 16 and a screw 6 having a screw head 24 and arranged in the passage opening 12. For alignment purposes, the screw 6 of the housing assembly 1 is locked by a locking tab 54 in the passage opening 12 in a pre-assembly position 96. The housing assembly 1 can be assembled quickly and easily and at the same time is fully protected against contact.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to a housing assembly for a modular connector. [Background technology]

[0002] Module connectors are used to electrically connect electrical modules, such as battery cells of a battery, particularly a vehicle traction battery. Module connectors typically include fasteners, such as screws, to electrically connect the current-carrying components of the electrical modules. Module connectors can also be used to electrically connect consumer devices, fuses, or BDUs.

[0003] For assembly, the interface of the module connector is aligned with the interface of the electrical module. The module connector and module are then screwed together. This alignment and assembly can be very time consuming. Summary of the Invention [Problem to be solved by the invention]

[0004] The present invention is therefore based on the object of providing a housing assembly for a modular connector that can be quickly and easily assembled, while at the same time the housing assembly is fully protected from contact. [Means for solving the problem]

[0005] The object is to provide a contact-protected housing assembly for a module connector, comprising: a housing having a passage opening extending therethrough in a connection direction; a screw having a screw head, the screw being disposed in the passage opening; Equipped with The screw is filled with a touch-protected housing assembly which is locked in the passage opening in a pre-assembled position.

[0006] Before assembling the modular connector to the electrical module, the housing assembly is aligned with the housing of the electrical module to which it is to be connected. During alignment, the housing of the modular connector housing assembly is displaced relative to the housing of the electrical module to which it is to be connected until the longitudinal axes of the two housings are aligned or until the screws can be inserted through all of the parts to be connected to each other. For alignment, the screws of the housing assembly are locked into the passage openings in a pre-assembly position. This means that the screws are fixed in the housing in a particularly restrained manner, which simplifies assembly.

[0007] The invention can be further improved by the following features, which are advantageous in themselves and which can optionally also be combined with one another.

[0008] For example, it is advantageous to have screws or threaded shanks that do not protrude from the housing in the pre-assembly position, which prevents damage to other components when the modular connector is finally assembled. Because the screws or threaded shanks do not protrude from the housing, they cannot scratch other components when aligning the screws.

[0009] According to an advantageous embodiment, the screw head can be configured with a screw flange and be protected from contact, and the screw head can be locked in the passage opening. The screw flange or the insulating material of the screw flange can be part of the contact protection of the housing assembly. That is, the screw flange can be made of an electrically insulating material. Locking the screw head in the passage opening secures the screw in the housing in a constrained manner. In particular, the screw is prevented from moving along its longitudinal axis during assembly and disrupting the alignment of the housing with the housing of the connected electrical module. The screw flange is advantageous because it bridges the gap between the screw or screw head and the passage opening, which has a diameter larger than that of the screw. This configuration is a structurally simple way to achieve locking between the screw head and the passage opening.

[0010] According to a further aspect, the passage opening can be closed by a screw flange in a manner that is particularly contact-protected. This prevents external objects or fingers from being inserted into the passage opening of the housing assembly and coming into contact with the current-carrying components of the modular connector. As a result, such a housing assembly improves the safety of the application. Furthermore, it prevents the ingress of dirt, which could impair the functionality and safety of the modular connector.

[0011] According to a further embodiment, the head of the screw can be arranged at one end of the passage opening in the pre-assembly position, with the threaded shank of the screw extending through or being arranged in the passage opening. At the end of the through-hole, the screw is in its maximum retracted position. The passage opening is thus closed at its top, preventing the accumulation of dirt.

[0012] In particular, the screw flange can be located at one end of the passage opening and the screw head can protrude from the passage opening. The housing assembly according to this embodiment is particularly easy to assemble because the screw head is easily accessible by hand or with a tool.

[0013] According to a further embodiment, the passage opening can be provided with a locking projection projecting radially inwards, which represents a structurally simple and therefore inexpensive way of locking the screw in the passage opening.

[0014] According to a further advantageous embodiment, the at least one locking projection can be formed by a locking tongue that can be elastically deflected in the radial direction. As a result, the lock between the screw and the passage opening formed by the locking tongue is configured to be releasable. This is advantageous when the screw needs to be transferred from a pre-assembly position to an assembly position. For this purpose, the screw can be pushed along its longitudinal axis into the passage opening of the housing assembly. As a result, the at least one locking tongue deflects radially outward and is unlocked. After being unlocked, the locking tongues can also quickly return radially inward to their starting position due to elastic force. Such a configuration is reversible so that the pre-assembly position of the screw can be re-established even after the lock has been released.

[0015] The foot of the locking tongue (which can extend away from the foot in the connecting direction) can be connected to the wall of the passage opening. In particular, the connecting portion can be configured as one piece. Furthermore, the free end of the locking tongue can be provided with a locking tab, and the locking tongue can be located in a recess in the wall.

[0016] According to a further aspect, the passage opening can have a wall with a pocket, the pocket being offset radially outward and receiving the locking projection therein. The wall or passage opening can be generally cylindrical. The pocket ensures that the locking projection cannot be damaged by external contact with objects or hands. In particular, the locking projection is prevented from breaking.

[0017] According to a further advantageous embodiment, the housing can include a collar surrounding the passage opening and projecting from the side of the housing facing away from the screw head, such that the screw does not protrude from the collar in the pre-assembly position. Using such a collar, the housing assembly can be aligned and connected to the electrical module before the housing assembly is screwed to the electrical module. The collar can, for example, be inserted into or positioned over a complementary collar of the electrical module. Having the screw not protrude from the collar of the housing assembly in the pre-assembly position prevents the end of the screw facing away from the screw head from contacting the mating contacts of the electrical module during alignment, thereby preventing damage to the mating contacts of the electrical module.

[0018] The housing can receive a contact ring into which the screw at least projects. The screw may project through the contact ring, or in particular may not project from the contact ring. Preferably, the contact ring can be received in the passage opening or in a collar of the passage opening. The contact ring can be displaceable in a receptacle for the bus bar, in particular to establish contact between the bus bar and the contact ring.

[0019] According to a further advantageous embodiment, there may be at least two locking protrusions arranged diametrically opposite each other in the connection direction. If a load is applied along the longitudinal axis of a screw locked in the housing by the locking protrusions, the force must be absorbed by the locking protrusions. The symmetrical arrangement of the locking protrusions in the connection direction ensures that the screw does not tilt when loaded in the longitudinal direction. This facilitates assembly, since the screw thread is prevented from tilting in the complementary internal thread of the electrical module. Furthermore, it is ensured that the screw lock does not loosen on one or both sides.

[0020] According to a further aspect, the housing assembly can include an outer housing that receives the housing so as to be displaceable in at least one displacement direction located in a plane perpendicular to the connection direction. Displacement of the housing relative to the outer housing similarly allows the screw to be displaced in the plane perpendicular to the connection direction. This allows compensation for positional tolerances when connecting electrical modules together. Therefore, the connection of the electrical modules is not subjected to force, thereby reducing the mechanical load on the module connector and the electrical modules.

[0021] The housing can be held in the outer housing sufficiently rigidly or immovably in the connection direction.

[0022] According to a further embodiment, two locking projections arranged diametrically opposite each other may be spaced apart from each other in the displacement direction. In particular, the centers of the locking projections and the passage opening may be arranged on the connecting line.

[0023] During alignment, the user typically applies a force in the area of ​​the screw head to move the housing along the displacement direction together with the screw. This force can cause the screw to tilt in the housing perpendicular to the displacement direction, making alignment difficult. The special arrangement of the locking lugs, whose connecting lines extend respectively along the displacement direction or perpendicular to the rotation axis, can prevent the screw from tilting during the displacement movement.

[0024] According to a further embodiment, the outer housing may include busbar receptacles that can receive busbars substantially perpendicular to the connection direction, the busbar receptacles passing through the passage openings. By providing the busbar receptacles, the housing assembly can be used to connect electrical modules with busbars. Such a housing assembly is therefore flexible in use.

[0025] The housing assembly may include a bus bar, and the bus bar may extend through a passage opening perpendicular to the connection direction. The bus bar may have an insertion opening through which the screw can pass. The insertion opening may be an elongated hole that can extend in the displacement direction. The housing, together with the screw, may be displaceable relative to the bus bar in the displacement direction.

[0026] According to a further advantageous embodiment, the housing can comprise a collar through which the passage opening extends. In particular, the collar can form the end of the passage opening. The collar offers the advantage that complementary housing parts of the electrical module to be connected can be aligned with the collar and connected to each other using the collar. This facilitates assembly. Furthermore, the collar can surround current-carrying parts of the housing assembly, such as contact rings, thereby contributing to contact protection.

[0027] The housing may further include at least one flange that may extend along a plane extending substantially perpendicular to the connecting direction or in the displacement direction. The flange may surround the passage opening and / or extend parallel to the plane extending perpendicular to the connecting direction. The flange may be longer in the displacement direction than transverse to the displacement direction. The collar may also terminate at the flange.

[0028] The flange portions may be planar and each of the flange portions may displaceably abut against a housing portion of the outer housing that forms the respective displacement opening. The flange portions then at least partially, but preferably completely, close the displacement opening. In particular, the flange portions close the displacement opening in all positions of the housing relative to the outer housing. In this way, contact protection of the housing assembly is guaranteed in all positions of the housing relative to the outer housing.

[0029] Each flange portion can in particular close a displacement opening at all positions of the housing displaced in the displacement direction relative to the outer housing. The displacement opening can be arranged between the collar and the edge of the passage opening.

[0030] The housing may also comprise two flanges spaced apart from one another in the connecting direction, the flanges being connected to one another by a wall of the passage opening.

[0031] According to a further advantageous embodiment, the screw head can be locked to the collar, whereby the screw is connected to the collar in a motion-transmitting manner, thereby allowing for alignment of the screw without the need to move the screw relative to the housing.

[0032] The housing assembly can include a second housing interlocking with the housing and / or the outer housing to receive the second bus bar and defining a complementarily shaped collar in the passage opening, the collar being capable of receiving a complementarily shaped second contact ring.

[0033] When the housing and / or the outer housing are connected to each other and ready for operation, the screw can protrude through the contact ring, and in particular, in this state, the screw can also protrude through the second busbar.

[0034] When the housing and / or the outer housing and the second housing are connected to each other and ready for operation, the contact ring and the second contact ring can overlap each other in a conductive manner. In particular, the contact ring and the second contact ring can conductively connect the bus bar and the second bus bar to each other. The screw can be part of a threaded connection that generates a preload force that presses the bus bar, the contact ring, the second contact ring, and the second bus bar together.

[0035] According to a further embodiment, the outer housing can have at least one displacement opening through which the collar of the housing extends, and the displacement opening can be an elongated hole whose longitudinal direction extends in the displacement direction. The provision of the displacement opening in the outer housing represents an advantageous structural configuration for displacing the housing relative to the outer housing. Since the screw can be connected to the housing in a motion-transmitting manner, the screw can likewise be displaceable relative to the outer housing. In this way, positional tolerances between the two electrical modules to be connected can be compensated. The configuration of the displacement opening as an elongated hole limits the mobility of the housing, and therefore the mobility of the screw, in the longitudinal direction of the elongated hole.

[0036] The outer housing may also preferably have two displacement openings spaced apart from each other in the displacement direction, through which a collar of the housing extends in the displacement direction.

[0037] The present invention will be described in more detail below using embodiments with reference to the accompanying drawings. Individual features appearing in the following embodiments can be omitted if the technical effects associated with these features are not important according to the above embodiments. Conversely, features mentioned above but not appearing in the following embodiments can be added to these embodiments if the technical effects associated with these features are important in certain applications.

[0038] In the following, the same reference signs are used for elements that correspond to one another in terms of structure and / or function. [Brief explanation of the drawings]

[0039] [Figure 1] 1 is a schematic perspective view of a contact assembly according to a possible embodiment; [Figure 2] 1 is a schematic cross-sectional view of a contact assembly in a pre-assembly position according to a possible embodiment; [Figure 3] 10A and 10B are schematic perspective detail views of a locking projection according to a possible embodiment; [Figure 4] 10 is a schematic cross-sectional view of a contact assembly and a second contact assembly during alignment according to a further possible embodiment; [Figure 5] 10 is a schematic perspective view of a second contact assembly according to a further possible embodiment; DETAILED DESCRIPTION OF THE INVENTION

[0040] First, the structure and function of the housing assembly will be described with reference to Figures 1 to 4. Then, the assembly of the housing assembly will be described with reference to Figures 4 and 5.

[0041] The housing assembly 1 includes an outer housing 2 , a housing 4 , screws 6 , a contact ring 8 , and a bus bar 10 .

[0042] The housing 4 comprises a passage opening 12, the longitudinal axis 14 of which extends through the housing 4 along a connecting direction 16. The passage opening 12 is surrounded by a substantially cylindrical wall 18, which is arranged concentrically around the connecting direction 16 or around the longitudinal axis 14 of the passage opening 12, respectively. A lower part 20 of the housing 4 comprises a collar 22 which projects from a side 26 of the housing 4 facing away from the screw head 24. In particular, the passage opening 12 extends through the collar 22, which forms an end 28 of the passage opening 12. The collar 22 concentrically surrounds the substantially cylindrical contact ring 8.

[0043] The housing 4 also includes at least one flange portion 30 projecting perpendicularly from the housing 4. In the embodiment shown in FIG. 2, the upper portion 32 of the housing 4 as well as the collar 22 of the lower portion 20 of the housing 4 include the flange portion 30. The flange portions 30 extend parallel to each other and to a displacement plane 34 that extends perpendicular to the connecting direction 16. The flange portions 30 are substantially planar and each configured to displaceably abut against a portion 36 of the outer housing 2. In the embodiment shown in FIG. 2, the flange portions 30 are longer in the displacement direction 38 than in a direction transverse to the displacement direction 38. The displacement direction 38 extends along the displacement plane 34.

[0044] 3 and 4, the upper part 32 of the housing 4 is provided with locking projections 40 arranged on opposite sides relative to the longitudinal axis 14 of the passage opening 12 or relative to the connecting direction 16. A connecting line 42 between the locking projections 40 extends along the displacement direction 38. The locking projections 40 are configured to engage with the screw 6 extending through the passage opening 12 by a lock 44.

[0045] In the embodiment shown in FIG. 3 , the locking projections 40 are configured as locking tangs 46 extending from a foot 48 to a free end 50. The foot 48 of the locking tang 46 is connected to the top 32 or wall 18 of the housing 4, the connection preferably being of one piece construction. The locking tangs 46 are resiliently flexible in a radial direction 52 extending perpendicular to the connection direction 16. The locking tangs 46 include locking tabs 54 at their free ends. The locking tabs 54 are configured to abut against a screw flange 56 of the screw 6.

[0046] The upper part 32 of the housing 4 comprises a pocket 58 for receiving the locking projection 40 or the locking tang 46. The pocket 58 presents a bulge 60 extending radially outward 60 and along the connecting direction 16 or along the longitudinal axis 62 of the screw 6, respectively. The pocket 58 may also be formed by the wall 18 of the passage opening 12. The pocket 58 is provided to protect the locking projection 40 or the locking tang 46 from contact with objects or fingers, thereby preventing damage.

[0047] The housing 4 is at least partially surrounded by an outer housing 2. The outer housing 2 comprises busbar receptacles 64 for receiving the busbars 10 perpendicular to the connection direction 16. The busbars 10 comprise passage openings 66 which represent slots 68 in the embodiment shown in Figure 2.

[0048] The outer housings 2 include displacement openings 70 disposed on opposite sides of the displacement plane 34 and spaced apart from one another in the displacement direction 38. The displacement openings 70 may be configured as elongated holes 72, with longitudinal directions 74 of the elongated holes 72 extending along the displacement direction 38. The upper portion 32 of the housing 4 extends along the connecting direction 16 through displacement openings 76 in an upper outer housing member 78, and the collar 22 of the lower portion 20 of the housing 4 extends along the connecting direction 16 through displacement openings 80 in a lower outer housing member 82.

[0049] The displacement opening 76 of the upper outer housing member 78 includes oppositely disposed recesses 84 that are curved in a complementary manner to the pockets 58 of the upper portion 32 of the housing 4 relative to the connection direction 16. In this manner, the recesses 84 of the upper outer housing member 78 can receive the pockets 58 of the housing 4 when the housing 4 is displaced along the displacement direction 38.

[0050] Both displacement opening 76 and displacement opening 80 are closed in a touch-safe manner regardless of how housing 4 is displaced relative to outer housing 2 along displacement plane 34 or displacement direction 38, respectively. In particular, displacement opening 76 in upper outer housing member 78 is closed by screw flange 56 and flange portion 3 of top portion 32 of housing 4.

[0051] The screw 6 is provided for connecting the housing assembly 1 to a second housing assembly 86 (see FIG. 4). The screw 6 is arranged in the passage opening 12 such that the longitudinal axis 62 of the screw 6 extends along the longitudinal axis 14 of the passage opening 12, respectively, or along the connecting direction 16. The screw 6 comprises a threaded shaft 88, a screw head 24, and a screw flange 56. The threaded shaft 88 presents an external threaded portion 90 configured to engage with a complementary internal threaded portion 91 of the second housing assembly 86.

[0052] The screw head 24 protrudes from the housing 4 in the connecting direction 16 and is preferably provided with a cap 92 made of an insulating material. The screw flange 56 is arranged on an end 94 of the screw head 24 opposite the external thread 90 and extends rotationally symmetrically about the longitudinal axis 62 of the screw 6. The screw flange 56 is part of the contact protection and is preferably made of an insulating material.

[0053] In the pre-assembly position 96, the screw 6 is locked in the passage opening 12 so that the screw 6 is held in the upper position 98. In the upper position 98, the screw head 24 is spaced as far as possible from an end 100 of the collar 22 of the lower part 20 of the housing 4 facing away from the screw head 24. In the pre-assembly position 96, the end 102 of the screw 6 facing away from the screw head 24 does not protrude in the connecting direction 16 at the end 100 of the collar 22 facing away from the screw head 24.

[0054] 4 in that the underside 104 of the screw flange 56 rests on the free end 50 of the locking projection 40 facing inwards in the radial direction 105. In particular, the underside 104 of the screw flange 56 can rest on a locking tab 54 arranged on the free end 50 of the locking tongue 46.

[0055] The screw 6 is mounted rotatably about a longitudinal axis 62 of the screw 6 relative to the housing 4, outer housing 2, bus bar 10, and contact ring 8 of the housing assembly 1. The screw 6 is also connected to the housing 4 in a motion-transmitting manner such that the housing 4, together with the screw 6, is displaceable relative to the outer housing 2 in a displacement direction 38. If the housing assembly 1 includes a bus bar 10, the housing 4, together with the screw 6, can likewise be displaced relative to the bus bar 10 in the displacement direction 38. In particular, the housing 4, together with the screw 6, can be displaceable along a displacement plane 34 relative to the outer housing 2. If the housing 1 includes a bus bar 10 having an elongated hole 68, the housing 4, together with the screw 6, can be displaced only along the longitudinal axis 106 of the elongated hole 68.

[0056] A method of assembling the housing assembly 1 to the second housing assembly 86 will now be described with reference to FIGS.

[0057] The second housing assembly 86 includes a housing 108 having a collar 110 configured to complement the passage opening 12 of the housing assembly 1. The collar 110 of the second housing assembly 86 is configured to be interconnectable with the collar 22 of the housing assembly 1. A contact ring 112 is received in the collar 110 of the housing of the second housing assembly 86. The contact ring 112 of the second housing assembly 86 is disposed in conductive contact with the contact ring 112 of the housing assembly 1.

[0058] At the start of assembly, the screws 6 of the housing assembly 1 are in a pre-assembly position 96. In the pre-assembly position 96, the screws 6 are locked in the passage openings 12. The screws 6 are held in the upper position 98 so that the ends 102 of the screws 6 facing away from the screw heads 24 do not protrude in the connection direction 16 at the ends 100 of the collars 22 of the housing assembly 1 facing away from the screws 24. In this way, the ends 102 of the screws 6 facing away from the screw heads 24 are prevented from contacting the contact rings 112 or the collars 110 of the second housing assembly 86, respectively, before the housing assembly 1 is aligned with the second housing assembly 86 or before the housing assembly 1 and the second housing assembly 86 are connected to each other. This prevents damage to the contact ring 112 or collar 110 of the second housing assembly 86 .

[0059] In the first step of assembly, the housing assembly 1 is aligned with the second housing assembly 86. To this end, the collar 22 of the housing assembly 1 is displaced along the displacement plane 34 or along the displacement direction 38 until the longitudinal axis 114 of the collar 22 of the housing assembly 1 extends along the longitudinal axis 116 of the collar 110 of the second housing assembly 86.

[0060] When the collar 22 of the housing assembly 1 is aligned with the collar 110 of the second housing assembly 86, the screw 6 of the housing assembly 1 is also matingly aligned so that the longitudinal axis 62 of the screw 6 extends along the longitudinal axis 114 of the collar 22 of the housing assembly 1 and along the longitudinal axis 116 of the collar 110 of the second housing assembly 86.

[0061] Thus, all moving parts of the housing assembly 1 are connected to one another in a motion-transmitting manner, so that the screw 6 is aligned to fit together with the collar 22 of the housing assembly 1 and the collar 110 of the second housing assembly 86. When the collar 22 of the housing assembly 1 is displaced along the displacement direction 38 or along the displacement plane 34 during alignment, the movement of the collar 22 is transferred to the contact ring 8 of the housing assembly 1, because the contact ring 8 is inserted into the collar 22 of the housing assembly 1. As a result, the contact ring 8 transmits movement to the threaded shaft 88 along the displacement direction 38 or along the displacement plane 34, because the threaded shaft 8 extends at least partially through the contact ring 8 in the connecting direction 16. The movement of the screw 6 along the displacement direction 38 or along the displacement plane 34 is in turn transmitted to the upper part 32 of the housing 4, causing the upper part 32 of the housing 4 to also move along the displacement direction 38 or along the displacement plane 34, respectively.

[0062] Once the alignment process is complete, the housing assembly 1 and the second assembly 86 can be connected to each other along the connection direction 16. The collar 22 of the first housing assembly 1 is placed over the collar 110 of the second housing assembly 86, or the collar 22 of the first housing assembly 1 is inserted into the collar 110 of the second housing assembly 86.

[0063] Once the housing assembly 1 and the second housing assembly 86 are aligned and connected to one another, there is no risk that the end 102 of the screw 6 facing away from the screw head 24 can damage the contact ring 112 or the collar 110 of the second housing assembly 86. It is therefore possible to eliminate the pre-assembly position 96 of the screw 6.

[0064] For this, the lock 44 of the screw 6 in the passage opening 12 is released. The screw 6 is then pushed along its longitudinal axis 62, or along the connecting direction 16, towards the second housing assembly 86, whereby the locking tongue 46 is elastically deflected in the radial outward direction 60 by the underside 104 of the screw flange 56. In particular, the free end 50 of the locking tongue 46 is elastically deflected in the radial outward direction 60. As soon as the screw flange 56 moves over the free end 50 of the locking tongue 46 or the lock tab 54 arranged on the free end 50 of the locking tongue 46 in the connecting direction 16, the screw flange 56 is no longer held by the locking tongue 46. This releases the lock 44 of the screw 6 in the passage opening 12, whereby the screw 6 can slide along the connecting direction 16 towards the second housing assembly 86 into the passage opening 12. At the same time, the lock tongue 46, which has been elastically bent in the radially outward direction 60, quickly returns to the radially inward direction 105. This prevents the screw 6 from falling out of the housing assembly 1.

[0065] After the connecting process, the contact ring 8 of the housing assembly 1 and the contact ring 112 of the second housing assembly 86 overlap each other in a conductive manner. In particular, the bus bar 10 of the housing assembly 1 can be conductively connected to the bus bar of the second housing assembly 86. The screw 6 protrudes through the contact ring 8 of the housing assembly 1 and the contact ring 112 of the second housing assembly 86. Furthermore, the screw 6 can also protrude through the bus bar (not shown) of the second housing assembly 86.

[0066] In the final assembly step, the screws 6 are tightened. The screws 6 generate a preload force that presses the busbars 10 and contact rings 8 of the housing assembly 1 and the busbars 118 and contact rings 112 of the second housing assembly 86 along the longitudinal axis 62 of the screws 6. In this way, the current-carrying components of the housing assembly 1 and the current-carrying components of the second housing assembly 86 are electrically connected to each other, completing the assembly.

[0067] In this state, all live parts of the housing assembly 1 and all live parts of the second housing assembly 86 are surrounded by non-conductive parts without any gaps, thus ensuring complete contact protection, in particular preventing contact between human fingers and objects and the live parts. [Explanation of symbols]

[0068] 1 Housing Assembly 2 outer housing 4. Housing 6 screws 8 Contact Ring 10 Busbar 12 Passage opening 14 Longitudinal axis of passage opening 16 Connection Direction 18 Wall 20 Lower part of housing 22 Color 24 screw head 26 Side of the housing facing away from the screw head 28 End of passage opening 30 Flange 32 Top of housing 34 Displacement Plane 36 Part of outer housing 38 Displacement direction 40 Locking protrusion 42 connecting wire 44 Rock 46 Rock Tongue 48 Foot 50 Free end 52 Radial 54 Locking tab 56 Screw flange 58 pockets 60 radially outward 62 Longitudinal axis of screw 64 Busbar Receptacle 66 Busbar passage opening 68 Busbar slot 70 Displacement Opening 72 Slotted hole for displacement opening 74 Longitudinal direction of the slot of the displacement opening 76 Displacement opening in upper outer housing member 78 Upper outer housing member 80 Displacement opening in lower outer housing member 82 Lower outer housing member 84 Depression 86 Second housing assembly 88 Screw shaft 90 Male thread 91 Female thread of second housing assembly 92 Cap 94 End of screw head facing male thread 96 Preliminary assembly position 98 Upper position 100 End of collar facing away from screw head 102 The end of the screw facing away from the screw head 104 Underside of screw flange 105 Radial inward 106 Longitudinal axis of slot 108 housing of second housing assembly 110 Second housing assembly collar 112 contact ring of second housing assembly 114 Longitudinal axis of collar of housing assembly 116 Longitudinal axis of collar of second housing assembly

Claims

1. A housing assembly (1) for a modular connector, comprising: The housing assembly (1) comprises: a housing (4) comprising a passage opening (12) extending through said housing (4) in a connecting direction (16); a screw (6) having a screw head (24), said screw (6) being arranged in said passage opening (12); Equipped with The screw (6) is locked in the passage opening (12) in a pre-assembly position (96); At least two locking projections (40) are present on the passage opening (12) and arranged radially opposite to each other in the passage opening (12), an outer housing (2) that receives the housing (4) so ​​as to be displaceable in at least one displacement direction (38) located in a plane (34) perpendicular to the connecting direction (16); the at least two locking projections (40) are spaced apart from one another in the displacement direction (38); A housing assembly (1) for a module connector.

2. The screw head (24) is provided with a screw flange (56) made of an electrically insulating material; The screw head (24) is locked into the passage opening (12). A housing assembly (1) for a modular connector according to claim 1.

3. The passage opening (12) is closed by the screw flange (56). A housing assembly (1) for a module connector according to claim 2.

4. the screw head (24) is located at one end (28) of the passage opening (12) in the pre-assembly position (96); The threaded shaft (88) of the screw (6) extends through the passage opening (12); A housing assembly (1) for a modular connector according to claim 1.

5. At the passage opening (12), the at least two locking projections (40) project radially inward (105); A housing assembly (1) for a modular connector according to claim 1.

6. At least one of the at least two locking protrusions (40) is formed by a locking tongue (46) that can be elastically deflected in a radial direction (52). A housing assembly (1) for a modular connector according to claim 1.

7. The passage opening (12) comprises a wall (18) having a pocket (58), The pocket (58) is offset radially outward (60) and receives the at least two locking projections (40) therein. A housing assembly (1) for a modular connector according to claim 1.

8. The housing (4) comprises a collar (22); the collar (22) surrounds the passage opening (12) and is configured to protrude from the side of the housing (4) facing away from the screw head (24); The screw (6) is configured so as not to protrude from the collar (22) in the pre-assembly position (96). A housing assembly (1) for a modular connector according to claim 1.

9. The outer housing (2) includes a busbar receptacle (64) that can receive the busbar (10) substantially perpendicular to the connection direction (16); The busbar receptacle (64) passes through the passage opening (12). A housing assembly (1) for a modular connector according to any one of claims 1 to 8.

10. The housing (4) comprises a collar (22); The passage opening (12) extends through the collar (22). A housing assembly (1) for a modular connector according to any one of claims 1 to 8.

11. The outer housing (2) comprises at least one displacement opening (70, 76, 80); a collar (22) of the housing (4) configured to extend through the at least one displacement opening (70, 76, 80); The displacement openings (70, 76, 80) are elongated holes (72), and a longitudinal direction (74) of the elongated holes (72) extends in the displacement direction (38). A housing assembly (1) for a modular connector according to any one of claims 1 to 8.

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