Housing assembly with pre-locking screw for module connector

Abstract

The invention relates to a housing assembly (1) for contact protection of a module connector, comprising a housing (4) comprising a channel opening (12) extending through the housing (4) in a connection direction (16), and a screw (6) having a screw head (24) arranged in the channel opening, the screw being locked in the channel opening in a pre-assembly position (96). Such a housing assembly can be assembled quickly and in a simple manner, and at the same time is fully contact-protected.

Description

Technical Field

[0001] The invention relates to a housing assembly for a module connector. Background Art

[0002] Module connectors are used, for example, to connect electrical modules, such as battery cells of a battery, in particular a drive battery of a vehicle, to one another in an electrically conductive manner. In order to connect the current-carrying parts of the electrical modules to one another in an electrically conductive manner, the module connectors usually include screws or other fastening means. The module connectors can also be used to electrically connect energy consumers, fuses or BDUs.

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

[0004] The invention is therefore based on the object of providing a housing assembly for a module connector which can be assembled quickly and in a simple manner and which is at the same time completely contact-proof.

[0005] This object is achieved by a contact-protected housing component for a module connector.

[0006] The housing assembly has a housing comprising a passage opening extending through the housing in a connecting direction, and

[0007] The housing component has a screw with a screw head, the screw being arranged in the passage opening,

[0008] Therein, the screw is locked in the passage opening in the pre-assembly position.

[0009] Before the module connector is assembled with the electrical module, the housing assembly is aligned relative to the housing of the electrical module to be connected. During alignment, the housing of the housing assembly of the module connector is displaced relative to the housing of the electrical module to be connected until the longitudinal axes of the two housings are aligned or the screws can be inserted through all the components to be connected to each other. For alignment, the screws of the housing assembly according to the invention are locked in the passage opening in the pre-assembly position. This means that the screws are fastened in the housing - in particular in a captive manner - which simplifies assembly.

[0010] The invention can be further developed by the following features, which are advantageous per se and can be combined randomly with one another.

[0011] For example, it is advantageous to have the screw or the screw shank not protrude from the housing in the pre-assembly position. This will prevent damage to other components during final assembly of the module connector. Since the screw or the screw shank does not protrude from the housing, the screw or the screw shank will not scratch other components when aligning the screw.

[0012] According to an advantageous embodiment, the screw head may comprise a screw flange and may be configured as a contact protection, and the screw head may be locked in the passage opening. The screw flange or the insulating material of the screw flange may be part of the contact protection of the housing assembly, i.e. made of an electrically insulating material. By locking the screw head in the passage opening, the screw is fixed to the housing in a captured manner. In particular, the screw is prevented from moving along its longitudinal axis during assembly and obstructing the alignment of the housing relative to the housing of the electrical module to be connected. The screw flange is advantageous because it bridges the gap between the screw or the screw head and the passage opening, which has a larger diameter than the screw. This configuration is a structurally simple way to achieve locking between the screw head and the passage opening.

[0013] According to another aspect, the passage opening can be closed by a screw flange, in particular in a contact-proof manner. This configuration prevents objects or human fingers from being inserted into the passage opening of the housing assembly from the outside, thereby preventing objects or human fingers from coming into contact with the current-carrying parts of the module connector. Thus, such a housing assembly increases the safety of the application. In addition, the intrusion of dust, which could impair the function and safety of the module connector, is prevented.

[0014] According to another embodiment, the screw head can be arranged in the pre-assembly position at one end of the passage opening, and the screw shank of the screw can extend through the passage opening or be arranged in the passage opening. At the end of the through hole, the screw is in a maximum retracted position. The passage opening is thus closed at the very top, so that dust cannot accumulate.

[0015] In particular, the screw flange may be arranged at one end of the passage opening, and the screw head may protrude from the passage opening. The housing assembly according to this embodiment is particularly easy to assemble, since the screw head is easily accessible by hand or by a tool.

[0016] According to a further embodiment, the passage opening can comprise a locking projection which protrudes inwardly in the radial direction.Such a locking projection represents a structurally simple and therefore inexpensive way of locking the screw in the passage opening.

[0017] According to another advantageous embodiment, at least one locking projection can be formed by a locking tongue, which can be elastically deflected in the radial direction. As a result, the locking between the screw and the passage opening formed by the locking tongue is configured to be releasable. This is advantageous if the screw must be transferred from a pre-assembly position to an assembly position. For this purpose, the screw can be pressed into the passage opening of the housing assembly along its longitudinal axis. As a result, the at least one locking tongue is deflected outwardly in the radial direction and the locking is released. After the locking has been released, the locking tongues can also spring back to their starting positions inwardly in the radial direction due to their elasticity. This configuration is reversible, so that the pre-assembly position of the screw can be established again even after the locking has been released.

[0018] The foot of the locking tongue (which can extend away from the foot in the connection direction) can be connected to the wall of the passage opening. In particular, the connection can be configured as an integral piece. In addition, the free end of the locking tongue can include a locking tab, and the locking tongue can be arranged in a recess in the wall.

[0019] According to another aspect, the passage opening may comprise a wall comprising a pocket which is deflected outwardly in a radial direction and in which the locking projection is received. The wall or the passage opening may be substantially cylindrical. The pocket ensures that the locking projection cannot be touched by an object or hand from the outside and then damaged. In particular, the locking projection is prevented from breaking.

[0020] According to another advantageous embodiment, the housing may include a collar surrounding the passage opening and protruding on the side of the housing facing away from the screw head, and wherein the screw does not protrude from the collar in the pre-assembly position. By using such a collar, the housing assembly can be aligned relative to the electrical module and plugged together before the housing assembly is screwed to the electrical module. The collar can, for example, be inserted into or placed on a collar of the electrical module, the collar being configured to be complementary. By having the screw not protrude from the collar of the housing assembly in the pre-assembly position, the end of the screw facing away from the screw head is prevented from coming into contact with the mating contact of the electrical module during alignment. This prevents damage to the mating contact of the electrical module.

[0021] The contact ring, into which at least the screw protrudes, can be received in the housing. The screw can also protrude through the contact ring or, in particular, not protrude 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 displaced in a receptacle for the busbar, in particular for establishing contact between the busbar and the contact ring.

[0022] According to a further advantageous embodiment, there can be at least two locking projections arranged diametrically opposite one another with respect to the connection direction. If the screw locked to the housing by means of the locking projections is loaded along its longitudinal axis, the forces must be absorbed by the locking projections. The symmetrical arrangement of the locking projections with respect to the connection direction ensures that the screw cannot tilt when loaded in the longitudinal direction. This makes assembly easier, since tilting of the screw thread in the complementary internal thread of the electrical module is prevented. Furthermore, it is ensured that the locking of the screw cannot loosen on one or both sides.

[0023] According to another aspect, the housing assembly may include an outer housing in which the housing is received so as to be displaceable in at least one displacement direction, the at least one displacement direction being arranged in a plane perpendicular to the connection direction. Due to the displaceability of the housing relative to the outer housing, the screw is also displaceable in a plane perpendicular to the connection direction. This allows compensating for position tolerances when connecting the electrical module. As a result, the connection of the electrical module is forceless, which reduces the mechanical load on the module connector and the electrical module.

[0024] The housing can be held in the outer housing substantially securely or immovably in the connection direction.

[0025] According to another embodiment, two locking projections arranged diametrically opposite to 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 a connecting line.

[0026] In order to move the housing together with the screw in the displacement direction during alignment, the user usually applies a force in the area of ​​the screw head. This force can tilt the screw in the housing perpendicularly to the displacement direction, making alignment difficult. Due to the special arrangement of the locking projections, whose connection lines extend in the displacement direction or perpendicularly to the rotation axis, respectively, tilting of the screw during the displacement movement can be prevented.

[0027] According to another embodiment, the outer housing may include a bus bar receiving portion, in which the bus bar can be received substantially perpendicularly to the connection direction, wherein the bus bar receiving portion penetrates the channel opening. By providing the bus bar receiving portion, the housing assembly can be used to connect electrical modules having bus bars. Thus, such a housing assembly can be used in a flexible manner.

[0028] The housing assembly may include a bus bar, wherein the bus bar may extend through the passage opening perpendicular to the connection direction. The bus bar may have an insertion opening through which the screw may protrude. The insertion opening may be an elongated hole that may extend in the displacement direction. The housing together with the screw may be displaceable relative to the bus bar in the displacement direction.

[0029] According to a further advantageous embodiment, the housing can include a collar through which the passage opening extends. In particular, the collar can form the end of the passage opening. The collar provides the advantage that complementary housing components of the electrical module to be connected can be aligned at the collar and plugged together with it. This makes assembly easier. Furthermore, the collar can surround current-carrying parts of the housing assembly, such as contact rings, thereby facilitating contact protection.

[0030] In addition, the housing may include at least one flange section, which may extend along a plane extending substantially perpendicular to the connection direction or extending in the displacement direction. The flange section may extend around the passage opening and / or parallel to a plane extending perpendicular to the connection direction. The flange section may be longer along the displacement direction than transversely to the displacement direction. In addition, the collar may terminate at the flange section.

[0031] The flange section can be planar and the flange section can each be displaceably against a housing section of the external housing, which housing sections respectively form a displacement opening. The flange section at least partially closes the displacement opening, but preferably completely closes the displacement opening. In particular, the flange section closes the displacement opening at each position of the housing relative to the external housing. In this way, contact protection of the housing assembly is ensured in each position of the housing relative to the external housing.

[0032] Each flange section may close the displacement opening, in particular in each position of the housing displaced in a displacement direction relative to the outer housing.The displacement opening may be arranged between the collar and an edge of the passage opening.

[0033] The housing may further comprise two flanges spaced apart from each other in the connection direction. The flanges may be connected to each other via a wall of the passage opening.

[0034] According to another advantageous embodiment, the screw head can be locked in the collar. By locking the screw head in the collar, the screw is connected to the collar in a motion-transmitting manner. The screw can be aligned in this way without the screw having to move relative to the housing.

[0035] The housing assembly may include a second housing that can be plugged with the housing and / or with the outer housing to receive the second bus bar, and in which a collar formed to be complementary to the passage opening may be arranged. The second contact ring may be received in the collar formed to be complementary.

[0036] In the state in which the housing and / or the outer housing are plugged together and ready for operation, the screw can protrude through the contact ring. In particular, the screw can also protrude through the second busbar in this state.

[0037] In a state where the housing and / or the outer housing is plugged together with the second housing and is ready for operation, the contact ring and the second contact ring can be placed one on top of the other in an electrically conductive manner. In particular, the busbar and the second busbar can be connected to one another in an electrically conductive manner via the contact ring and the second contact ring. The screw can be part of a screw connection that generates a preload force that presses the busbar, the contact ring, the second contact ring and the busbar together.

[0038] According to another embodiment, the outer housing may include at least one displacement opening, through which the collar of the housing extends, and the displacement opening may be an elongated hole, the longitudinal direction of which extends in the displacement direction. The provision of the displacement opening in the outer housing represents an advantageous structural configuration in order to achieve the displaceability of the housing relative to the outer housing. Since the screw can be connected to the housing in a motion-transmitting manner, the screw can also be displaceable relative to the outer housing. In this way, positional tolerances between two electrical modules to be connected can be compensated. The configuration of the displacement opening as an elongated hole limits the movability of the housing in the longitudinal direction of the elongated hole, and therefore limits the movability of the screw in the longitudinal direction of the elongated hole.

[0039] The outer housing may also preferably comprise two displacement openings which are spaced apart from one another in the displacement direction, through which the collar of the housing extending in the displacement direction extends. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In the following, the present invention will be explained in more detail using embodiments with reference to the accompanying drawings. If the technical effect associated with each feature present in the following embodiments is not important according to the above embodiments, the feature can be omitted. On the contrary, if the technical effect associated with the feature described above but not present in the following embodiments is important for a specific application, the feature can be added to the embodiments.

[0041] In the following, the same reference numerals are used for elements that correspond to one another in terms of structure and / or function.

[0042] in:

[0043] Figure 1 shows a schematic perspective view of a contact assembly according to a possible embodiment;

[0044] Figure 2 shows a schematic cross-sectional view of a contact assembly in a pre-assembled position according to a possible embodiment;

[0045] Figure 3 shows a schematic perspective detail view of a locking projection according to a possible embodiment;

[0046] Figure 4shows a schematic cross-sectional view of a contact assembly and a second contact assembly during alignment according to another possible embodiment;

[0047] Figure 5 A schematic perspective view of a second contact assembly according to another possible embodiment is shown. DETAILED DESCRIPTION

[0048] First, refer to Figures 1 to 4 The structure and function of the housing assembly are described. Figure 4 and Figure 5 Describe the assembly of the housing assembly.

[0049] The housing assembly 1 includes an outer housing 2 , a housing 4 , screws 6 , a contact ring 8 , and a bus bar 10 .

[0050] The housing 4 comprises a passage opening 12, the longitudinal axis 14 of which extends through the housing 4 along a connection direction 16. The passage opening 12 is surrounded by a substantially cylindrical wall 18, which is arranged concentrically around the connection direction 16 or around the longitudinal axis 14 of the passage opening 12, respectively. The lower part 20 of the housing 4 comprises a collar 22, which protrudes on 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 and the collar 22 forms an end 28 of the passage opening 12. The collar 22 concentrically surrounds the substantially cylindrical contact ring 8.

[0051] The housing 4 further comprises at least one flange section 30 protruding vertically from the housing 4. In the embodiment shown, the upper part 32 of the housing 4 and the collar 22 of the lower part 20 of the housing 4 comprise flange sections 30. The flange sections 30 extend parallel to each other and to a displacement plane 34, which extends perpendicularly to the connection direction 16. The flange sections 30 are substantially planar and are configured to each abut against a section 36 of the outer housing 2 in a displaceable manner. In the embodiment shown, the flange sections 30 are longer along the displacement direction 38 than transversely to the displacement direction 38. The displacement direction 38 extends along the displacement plane 34.

[0052] from Figure 3 and Figure 4 As can be clearly seen in the figure, the upper part 32 of the housing 4 comprises locking projections 40, which are arranged opposite each other with respect to the longitudinal axis 14 of the passage opening 12 or with respect to the connection direction 16. The connecting line 42 between the locking projections 40 extends along the displacement direction 38. The locking projections 40 are configured to engage in a lock 44, wherein the screw 6 extends through the passage opening 12.

[0053] exist Figure 3In the embodiment shown, the locking projection 40 is configured as a locking tongue 46, which extends from a foot 48 up to a free end 50. The foot 48 of the locking tongue 46 is connected to the upper part 32 or the wall 18 of the housing 4, wherein the connection is preferably integral. The locking tongue 46 can be elastically deflected in a radial direction 52 extending perpendicularly to the connection direction 16. The locking tongue 46 comprises a locking tab 54 at its free end. The locking tab 54 is configured to abut against a screw flange 56 of the screw 6.

[0054] The upper part 32 of the housing 4 comprises a pocket 58 in which the locking projection 40 or the locking tongue 46 is received. The pocket 58 represents a projection 60 which extends outwards in a radial direction 60 and along the connecting direction 16 or along the longitudinal axis 62 of the screw 6, respectively. The pocket 58 can 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 tongue 46 from being touched by objects or fingers, thereby preventing damage.

[0055] The housing 4 is at least partially surrounded by the outer housing 2. The outer housing 2 comprises a busbar receptacle 64 in which the busbar 10 is received perpendicularly to the connection direction 16. The busbar 10 comprises a passage opening 66 which in the illustrated embodiment represents an elongated hole 68.

[0056] The outer housing 2 comprises displacement openings 70 which are arranged opposite one another with respect to the displacement plane 34 and are spaced apart from one another in the displacement direction 38. The displacement openings 70 can be configured as elongated holes 72, the longitudinal direction 74 of which extends along the displacement direction 38. The upper part 32 of the housing 4 extends along the connection direction 16 through the displacement opening 76 of the upper outer housing component 78, and the collar 22 of the lower part 20 of the housing 4 extends along the connection direction 16 through the displacement opening 80 of the lower outer housing component 82.

[0057] The displacement opening 76 of the upper outer shell member 78 relative to the connection direction 16 includes an oppositely arranged recess 84, which is bent to complement the pocket 58 of the upper part 32 of the shell 4. In this way, when the shell 4 is displaced along the displacement direction 38, the pocket 58 of the shell 4 can be received by the recess 84 of the upper outer shell member 78.

[0058] Regardless of how the housing 4 is displaced relative to the outer housing 2 along the displacement plane 34 or displacement direction 38, the two displacement openings 76, 80 are closed in a touch-safe manner. In particular, the displacement opening 76 of the upper outer housing member 78 is closed by the screw flange 56 and the flange section 3 of the upper part 32 of the housing 4.

[0059] Screws 6 are used to connect the housing assembly 1 to the second housing assembly 86 (see Figure 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 or along the connection direction 16, respectively. The screw 6 comprises a screw shank 88, a screw head 24 and a screw flange 56. The screw shank 88 provides an external thread 90 which is configured to engage with a complementary internal thread 91 of the second housing component 86.

[0060] The screw head 24 protrudes from the housing 4 in the connection direction 16 and comprises a cap 92, which is preferably made of an insulating material. The screw flange 56 is arranged at an end 94 of the screw head 24 facing the external thread 90 and extends in a rotationally symmetrical manner around 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.

[0061] In the preassembly 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 the end 100 of the collar 22 of the lower part 20 of the housing 4 facing away from the screw head 24. In the preassembly position 96, the end 102 of the screw 6 facing away from the screw head 24 does not protrude in the connection direction 16 at the end 100 of the collar 22 facing away from the screw head 24.

[0062] exist Figure 4 In the embodiment shown, locking 44 of the screw 6 in the passage opening 12 is achieved, wherein the underside 104 of the screw flange 56 rests on the free end 50 of the locking projection 40 pointing inwardly in the radial direction 105. In particular, the underside 104 of the screw flange 56 can rest on a locking tab 54, which is arranged on the free end 50 of the locking tongue 46.

[0063] The screw 6 is mounted so as to be rotatable about the longitudinal axis 62 of the screw 6 relative to the housing 4, the outer housing 2, the busbar 10 and the contact ring 8 of the housing assembly 1. Furthermore, the screw 6 is connected to the housing 4 in a motion-transmitting manner so that the housing 4 together with the screw 6 can be displaced relative to the outer housing 2 in the displacement direction 38. If the housing assembly 1 comprises a busbar 10, the housing 4 together with the screw 6 can likewise be displaced relative to the busbar 10 in the displacement direction 38. In particular, the housing 4 with the screw 6 can be displaced relative to the outer housing 2 along the displacement plane 34. If the housing assembly 1 comprises a busbar 10 with an elongated hole 68, the housing 4 together with the screw 6 can only be displaced along the longitudinal axis 106 of the elongated hole 68.

[0064] Reference below Figure 4 and Figure 5 How the housing assembly 1 is assembled with the second housing assembly 86 is described.

[0065] The second housing component 86 includes a housing 108 having a collar 110, the collar 110 being configured to complement the passage opening 12 of the housing component 1, the collar 110 of the second housing component 86 being configured so that it can be plugged together with the collar 22 of the housing component 1. A contact ring 112 is received in the collar 110 of the housing of the second housing component 86. The contact ring 112 of the second housing component 86 is arranged to be in conductive contact with the contact ring 8 of the housing component 1.

[0066] At the beginning of assembly, the screw 6 of the housing component 1 is in the preassembly position 96. In the preassembly position 96, the screw 6 is locked in the passage opening 12. The screw 6 is held in the upper position 98 so that the end 102 of the screw 6 facing away from the screw head 24 does not protrude in the connection direction 16 at the end 100 of the collar 22 of the housing component 1 facing away from the screw head 24. In this way, the end 102 of the screw 6 facing away from the screw head 24 is prevented from coming into contact with the contact ring 112 or the collar 110 of the second housing component 86 before the housing component 1 is aligned relative to the second housing component 86 or before the housing component 1 is plugged together with the second housing component 86, respectively. This prevents damage to the contact ring 112 or to the collar 110 of the second housing component 86.

[0067] In a first assembly step, the housing assembly 1 is aligned relative to the second housing assembly 86. For this purpose, 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.

[0068] If the collar 22 of the housing assembly 1 is aligned relative to the collar 110 of the second housing assembly 86, the screw 6 of the housing assembly 1 is also aligned to match. Therefore, 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.

[0069] Therefore, the screw 6 is aligned together with the collar 22 of the housing component 1 and the collar 110 of the second housing component 86 to cooperate, because all movable parts of the housing component 1 are connected to each other in a motion-transmitting manner. If the collar 22 of the housing component 1 is displaced in the displacement direction 38 or along the displacement plane 34 during alignment, the movement of the collar 22 continues to the contact ring 8 of the housing component 1, because the contact ring 8 is inserted into the collar 22 of the housing component 1. As a result, the contact ring 8 transmits the movement in the displacement direction 38 or along the displacement plane 34 to the screw rod 88, because the screw rod 88 extends at least partially through the contact ring 8 in the connection direction 16. The movement of the screw 6 in the displacement direction 38 or along the displacement plane 34 is in turn transmitted to the upper part 32 of the housing 4, whereby the upper part 32 of the housing 4 is also moved in the displacement direction 38 or along the displacement plane 38, respectively.

[0070] Once the alignment process has been completed, the housing assembly 1 and the second housing assembly 86 can be plugged together along the connection direction 16. The collar 22 of the first housing assembly 1 is placed on 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.

[0071] After the housing component 1 and the second housing component 86 have been aligned and plugged together, there is no longer any risk that the end 102 of the screw 6 facing away from the screw head 24 could damage the contact ring 112 or the collar 110 of the second housing component 86. The pre-assembly position 96 of the screw 6 can therefore be omitted.

[0072] For this purpose, the locking 44 of the screw 6 in the passage opening 12 is released. The screw 6 is pressed there along its longitudinal axis 62 or along the connection direction 16 in the direction of the second housing component 86, whereby the locking tongue 46 is elastically deflected 60 outwards in the radial direction by the underside 104 of the screw flange 56. In particular, the free end 50 of the locking tongue 46 is elastically deflected 60 outwards in the radial direction. As soon as the screw flange 56 overcomes the free end 50 of the locking tongue 46 or the locking tab 54 arranged at the free end 50 of the locking tongue 46 in the connection direction 16, the screw flange 56 is no longer held by the locking tongue 46. This releases the locking 44 of the screw 6 in the passage opening 12, whereby the screw 6 slides into the passage opening 12 along the connection direction 16 and in the direction of the second housing component 86. At the same time, the locking tongue 46, which is elastically deflected 60 outwards in the radial direction, rebounds 105 inwards in the radial direction. This can prevent the screw 6 from falling out of the housing component 1.

[0073] After the plugging process, the contact ring 8 of the housing assembly 1 and the contact ring 112 of the second housing assembly 86 are stacked on each other in an electrically conductive manner. In particular, the busbar 10 of the housing assembly 1 can be connected to the busbar of the second housing assembly 86 in an electrically conductive manner. The screw 6 protrudes through the contact ring 8 of the housing assembly and the contact ring 112 of the second housing assembly 86. In addition, the screw 6 can also protrude through the busbar (not shown) of the second housing assembly 86.

[0074] In the final assembly step, the screw 6 is tightened. The screw 6 generates a preload force that presses the bus bar 10 and contact ring 8 of the housing assembly 1 and the bus bar 118 and contact ring 112 of the second housing assembly 86 along the longitudinal axis 62 of the screw 6. In this way, the current-carrying components of the housing assembly 1 and the second housing assembly 86 are electrically connected to each other, and the assembly is completed.

[0075] In this state, all current-carrying components of the housing component 1 and the second housing component 86 are surrounded by non-conductive components without gaps. In this way, complete contact protection is guaranteed. In particular, human fingers or objects are prevented from contacting the current-carrying components.

[0076] Reference numerals

[0077] 1 Shell assembly

[0078] 2External shell

[0079] 4 Shell

[0080] 6 screws

[0081] 8Contact ring

[0082] 10 Bus Bar

[0083] 12 channel opening

[0084] 14 Longitudinal axis of the channel opening

[0085] 16 Connection direction

[0086] 18 walls

[0087] 20 Lower part of the housing

[0088] 22 sets of rings

[0089] 24 screw head

[0090] 26 The side of the housing facing away from the screw head

[0091] 28 channel opening end

[0092] 30 Flange area

[0093] 32 Upper part of the shell

[0094] 34 Shift plane

[0095] 36 Area of ​​the outer shell

[0096] 38 shift direction

[0097] 40 Locking protrusion

[0098] 42 connection line

[0099] 44 Lock

[0100] 46 Locking tongue

[0101] 48 feet

[0102] 50 Free end

[0103] 52 Radial direction

[0104] 54 Locking tab

[0105] 56 screw flange

[0106] 58 pouch

[0107] 60 radial direction outward

[0108] 62 Longitudinal axis of the screw

[0109] 64 bus bar accommodation portion

[0110] 66 Busbar channel opening

[0111] 68 Long hole of busbar

[0112] 70 shift opening

[0113] 72 shift opening long hole

[0114] 74 The longitudinal direction of the long hole of the shift opening

[0115] 76 Displacement opening of upper outer shell member

[0116] 78 Upper outer shell member

[0117] 80 Displacement opening of lower outer shell member

[0118] 82 Lower outer shell member

[0119] 84 concavity

[0120] 86 Second housing assembly

[0121] 88 screw rod

[0122] 90 external thread

[0123] 91 Internal thread of the second housing component

[0124] 92 Caps

[0125] 94 The end of the screw head facing the external thread

[0126] 96 pre-assembled positions

[0127] 98 upper position

[0128] 100 End of the collar facing away from the screw head

[0129] 102 The end of the screw facing away from the screw head

[0130] 104 Underside of threaded flange

[0131] 105 radially inward

[0132] 106 Longitudinal axis of the slotted hole

[0133] 108 Shell of the second shell assembly

[0134] 110 collar of second housing assembly

[0135] 112 Contact ring of the second housing assembly

[0136] 114 The longitudinal axis of the collar of the housing assembly

[0137] 116 The longitudinal axis of the collar of the second housing assembly

Claims

1. A housing assembly (1) for contact protection of a module connector, The housing assembly comprises a housing (4), the housing (4) comprising a passage opening (12) extending through the housing (4) in a connecting direction (16), and The housing component has a screw (6) having a screw head (24), the screw (6) being arranged in the passage opening (12), in, The screw (6) is locked in the passage opening (12) in the pre-assembly position (96).

2. The contact protection housing component (1) according to claim 1, in, The screw head (24) comprises a screw collar (56) and is designed to be touch-proof, and wherein the screw head (24) is locked in the passage opening (12).

3. The contact protection housing component (1) according to claim 2, wherein: The passage opening (12) is closed by the screw flange (56).

4. The contact-protected housing component (1) according to any one of claims 1 to 3, wherein: The screw head (24) is arranged at one end (28) of the passage opening (12) in the pre-assembly position (96), and the screw shank (88) of the screw (6) extends through the passage opening (12).

5. The contact protection housing component (1) according to any one of claims 1 to 4, in, The passage opening (12) comprises a locking projection (40) which protrudes inwardly (105) in a radial direction.

6. The contact protection housing component (1) according to any one of claims 1 to 5, in, The at least one locking projection (40) is formed by a locking tongue (46) which is resiliently deflectable in the radial direction (52).

7. The contact protection housing component (1) according to any one of claims 1 to 6, in, The passage opening (12) comprises a wall (18) comprising a pocket (58) which is offset outwards (60) in a radial direction and in which a locking projection (40) is received.

8. The contact-protected housing component (1) according to any one of claims 1 to 7, in, The housing (4) comprises a collar (22) which surrounds the passage opening (12) and projects on the side of the housing (4) facing away from the screw head (24), and Therein, the screw (6) does not protrude from the collar (22) in the pre-assembly position (96).

9. The contact-protected housing component (1) according to any one of claims 1 to 8, in, There are at least two locking projections (40) arranged diametrically opposite each other with respect to the connection direction (16).

10. The contact-protected housing component (1) according to any one of claims 1 to 9, The housing assembly has an outer housing (2), in which the housing (4) is received so as to be displaceable in at least one displacement direction (38), the displacement direction (38) being arranged in a plane (34) perpendicular to the connection direction (16).

11. The contact-protected housing component (1) according to claim 9 and 10, wherein: Two locking protrusions (40) arranged diametrically opposite to each other are spaced apart from each other in the displacement direction (38).

12. The contact protection housing component (1) according to claim 10 or 11, in, The outer housing (2) comprises a busbar receptacle (64) in which a busbar (10) can be received substantially perpendicularly to the connection direction (16), wherein the busbar receptacle (64) penetrates the passage opening (12).

13. The contact protection housing component (1) according to any one of claims 1 to 12, in, The housing (4) comprises a collar (22) through which the passage opening (12) extends.

14. The contact-protected housing component (1) according to claim 13, wherein: The screw head (24) is locked in the collar (22).

15. The contact-protected housing component (1) according to any one of claims 10 to 14, in, The outer housing (2) comprises at least one displacement opening (70, 76, 80), the collar (22) of the housing (4) extending through the at least one displacement opening (70, 76, 80), And wherein the displacement opening (70, 76, 80) is an elongated hole (72), the longitudinal direction (74) of which extends in the displacement direction (38).

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