EP3659217B1 - Contact device - Google Patents

Description

The invention relates to a contact device according to claim 1, which has a contact housing, a base and a latching device. The contact housing engages in a socket interior of the socket and is rotatable relative to the socket. The latching device prevents unwanted rotation of the contact housing with respect to the base.

This application claims the priority of the German patent application DE 10 2017 120 059.2 with the title "Kontakteinrichtung", submitted on 08/31/2017. The disclosure content of the priority application DE 10 2017 120 059.2 is expressly made part of the content of the present application by reference.

the end US 9,666,973 B1 a connector is known. The connector has a body, an inner sleeve that receives the body, a self-locking pawl, and an outer sleeve that surrounds the inner sleeve. The pawl is pivotally coupled to the inner sleeve and is configured to toggle between first and second positions in engagement with the body's ratchet teeth. The inner and outer sleeves can be rotated together in opposite insertion and separation directions.

the end DE 10 2013 007 899 A1 a pivotable connector is known. The connector has a first connector part with a contacting device, which can be inserted at least in regions along an insertion direction into a complementary contacting device of a complementary connector and has at least one electrical contact which is connected to a complementary one electrical contact of the complementary connector is electrically contactable. Furthermore, the connector has a first latching device and a second connector part with a connection area of a second latching device. The first connector part is pivotably connected to the second connector part about an axis, the first latching device of the first connector part latching in a number of pivot positions with the second latching device of the second connector part, whereby a further pivoting of the first connector part relative to the second connector part is only possible by applying one Torque can take place, which is greater than a predetermined unlocking torque.

the end EP 2 728 677 A1 a secured locking system is known which has a housing with a bore, a locking ring with a toothed wall, a spring mounted in the bore of the housing and a ball mounted at least partially in the bore of the housing above the spring. The bore runs transversely and opens into a surface of the housing. The locking ring can be locked at one end of the housing.

From the EP 3 089 284 A1 a contact device in the form of an angled connector with an angled connector housing is known. A flange sleeve surrounds the connector housing circumferentially in the area of a first connector housing section, the flange sleeve being fastened to the first connector housing section by means of an axial holding device acting in the direction of a longitudinal axis of the first connector housing section. The axial holding device has a radial stop which extends from an inside of the flange sleeve in the direction of an outside of the first connector housing section and has a counter bearing which is in operative connection with the first connector housing section to determine the axial position relative to one another. The axial holding device has a spring element, which is arranged in an interspace between the inside of the flange sleeve and an outside of the plug housing section and is held in a pretensioned manner between the radial stop and the counter-support, generating a first axial spring force. The counter bearing has a locking ring which is locked with a locking device in a locking groove in the outside of the first connector housing section.

If long cables are connected to the connector housing, the cables can swing open and / or introduce vibrations into the connector housing. Under unfavorable circumstances, the forces that occur can lead to the control housing being levered out of the flange sleeve and thus irreparable damage to the contact device.

It is the object of the invention to provide a particularly ergonomic and at the same time particularly stable rotatable contact device.

This object is achieved by means of a contact device according to patent claim 1. Advantageous embodiments are specified in the dependent claims.

It has been recognized that an improved contact device can be provided in that the contact device has a contact housing, a base, a clamping device and a latching device. The base delimits a base interior, the contact housing engaging at least in sections into the base interior, the latching device having a latching structure and at least one latching pin on an outer circumferential side of the contact housing, the latching structure having a spur toothing and an unlocking section adjoining the spur toothing in the axial direction, wherein the unlocking section is groove-shaped in the circumferential direction, at least in sections is formed circumferentially around the contact housing, the locking pin being connected to the base and protruding into the base interior, the contact housing being displaceable in the axial direction relative to the base between a first axial position and a second axial position, the locking pin being in the first axial position Front teeth engage and secure a position of the contact housing relative to the base in the circumferential direction, wherein in the second axial position the locking pin engages in the unlocking section and the contact housing is rotatable in the circumferential direction about an axis of rotation relative to the base. The clamping device is arranged between the base and the contact housing in the base interior, the contact housing being displaceable from the first axial position against the action of the clamping device into the second axial position, wherein in the second axial position the clamping device exerts an axial force to transfer the contact housing back into the first Provides axial position.

This configuration has the advantage that the contact device is particularly stable. In particular, it is avoided that the contact housing can be levered out of the base by a transverse force transverse to the axis of rotation. Furthermore, the latching of the contact housing in the base is particularly simple and inexpensive.

In a further embodiment, the spur gearing has at least a first tooth and a second tooth, the first tooth being arranged at a distance from the second tooth in the circumferential direction, the spur gearing having a tooth base between the teeth, the locking pin having a pin section, the The pin section is arranged in the base interior and has a contact surface on the circumferential side on a side facing the face toothing, the contact surface at least in sections on the tooth base in the first axial position is applied, or wherein in the first axial position the contact surface is arranged at a distance from the tooth base. Reliable latching can thereby be ensured in the first axial position.

In a further embodiment, the spur toothing has at least one first tooth with a first tooth flank, the latching pin having a pin section, the pin section being arranged in the base interior and having a contact surface on the circumferential side on the side facing the front toothing, the first tooth flank being at least partially inclined runs inclined to a plane in the axis of rotation, is oriented, or wherein the first tooth flank and the axis of rotation are oriented parallel to one another, wherein in the first axial position the contact surface rests on the first tooth flank.

In a further embodiment, the spur toothing has at least one first tooth with a first tooth flank, the latching pin having a pin section, the pin section being arranged in the base interior and circumferentially having a contact surface on a side facing the first tooth flank, the first tooth flank at least runs inclined in sections to a plane in the axis of rotation, is aligned, or wherein the first tooth flank and the axis of rotation are aligned parallel to each other, wherein in the first axial position the contact surface rests on the first tooth flank.

In a further embodiment, the first tooth flank is aligned in such a way that, in cooperation with the contact surface, when the contact housing is rotated relative to the base about the axis of rotation, sliding movement of the first tooth flank on the contact surface causes an axial displacement of the contact housing from the first axial position into the second axial position will. This means that the user does not have to additional axial force can be introduced into the contact housing in order to move the contact housing relative to the base and to carry out the rotational movement of the contact housing about the axis of rotation relative to the base. This is particularly ergonomic in tight spaces. Furthermore, the rotation for aligning the first contact housing relative to the base can be carried out particularly quickly.

In a further embodiment, the first tooth has a tooth head and a tooth foot. In the axial direction, the unlatching section is delimited on a first axial side by the tooth head and the tooth base is arranged on a side of the first tooth facing away from the unlatching section. On a second axial side opposite the first axial side in the axial direction, the unlocking section is delimited by a groove side surface. The groove side surface is preferably arranged in a plane of rotation to the axis of rotation. As a result, the latching structure can be designed to be particularly compact and simple on the contact housing. In particular, the contact housing can thereby be produced particularly simply and inexpensively, for example by means of a sintering process or an injection molding process.

In a further embodiment, the contact surface of the pin section is at least partially curved and / or planar and / or polygonal and / or concave and / or convex in cross section.

In a further embodiment, the second tooth has a second tooth flank on a side facing the first tooth, the contact surface on the first tooth flank and on the second tooth flank in the first axial position.

In a further embodiment, the first tooth flank, the tooth base and the second tooth flank are arranged on a common arc, in particular on a common circular path, with a center point, the center point being located in the unlocking section, or the center point outside the unlocking section, preferably on one of the Facing teeth facing away from the side of the Entrastungsabschnitts is arranged. As a result, a particularly simple latching pin and a particularly simple face toothing can be provided, which can be produced particularly easily and inexpensively.

In a further embodiment, the first tooth flank encloses an angle with the second tooth flank, the angle being an obtuse or an acute angle, the angle in particular in a range from 0 ° to 170 °, in particular in a range from 30 ° to 90 °, wherein in particular the angle is 60 °, or wherein the first tooth flank and the second tooth flank are aligned parallel to one another.

In a further embodiment, the tensioning device is relaxed in the first axial position. Alternatively, the tensioning device is pretensioned in the first axial position and presses the face toothing against the contact surface with a further axial force. This ensures that the face toothing rests against the contact surface even in the first axial position and reliably prevents the contact device from rattling due to vibrations.

In a further embodiment, the tensioning device preferably has at least one plate spring and / or a wave spring and / or a compression spring. The base has a first shoulder on a side facing the base interior and the contact housing has a second shoulder arranged radially on the outside. The clamping device is axially arranged between the first shoulder and the second shoulder, the tensioning device being supported on one side on the first shoulder and on the other side on the second shoulder. This makes it possible to provide a contact device which is compact, particularly in the radial direction, through which a large number of electrical lines can be routed.

In a further embodiment, the base has at least one recess, the recess being arranged at an angle to the axis of rotation, preferably in a further plane of rotation to the axis of rotation. The locking pin has a further pin section. The further pin section engages at least in sections in the recess, the further pin section preferably being connected to the base in a non-positive and / or form-fitting and / or cohesive manner. The further pin section is preferably pressed into the recess.

In a further embodiment, the contact device has a first radial bearing. The first radial bearing has a first radial bearing surface on an inner circumferential side of the base axially between a lower base end face and the locking pin. The first radial bearing has on the outer circumferential side of the contact housing axially between a lower end face of the contact housing and the latching structure a second radial bearing surface designed to correspond to the first radial bearing surface, the first radial bearing surface and the second radial bearing surface preferably being designed to run cylindrically around the axis of rotation, the second radial bearing surface is supported on the first radial bearing surface. As a result, tilting of the contact housing in the base when a force is introduced perpendicular to the axis of rotation can be reliably avoided or the force introduced can be reliably supported from the contact housing on the base.

In a further embodiment, the contact device has a second radial bearing, the second radial bearing being arranged axially opposite the first radial bearing, the second radial bearing having a third radial bearing surface on the outer circumferential side of the contact housing, the second radial bearing on the inner circumferential side of the base has a fourth radial bearing surface arranged axially between an upper base end face opposite the lower base end face and the latching pin, the third radial bearing surface and the fourth radial bearing surface being designed, preferably cylindrical, to run around the axis of rotation, the third radial bearing surface being supported on the fourth radial bearing surface, preferably the first radial bearing is designed to be narrower in the radial direction than the second radial bearing. This configuration has the advantage that the contact device can be kept compact, particularly in the radial direction. Furthermore, a particularly large axial distance is provided between the first radial bearing and the second radial bearing, so that tilting out of the base when the force is introduced transversely perpendicular to the axis of rotation of the contact housing can be reliably avoided or the force perpendicular to the axis of rotation can be reliably avoided via the radial bearing from the Contact housing can be supported on the base.

In a further embodiment, the contact device has a sealing device with at least one sealing element. The sealing element is arranged axially between the locking pin and the lower base face. The sealing element is arranged in the radial direction between the base and the contact housing. The sealing element fluidically seals the base interior from an environment. The sealing element preferably has an X-shaped cross section. This will prevent the ingress of Dirt and / or liquids in the base interior reliably avoided. Furthermore, the seal also ensures reliable displaceability between the first axial position and the second axial position of the contact housing with respect to the base. Due to the X-shaped configuration of the sealing element, the sealing element seals both in the radial direction and in the axial direction. Furthermore, twisting of the sealing element when the contact housing is shifted between the axial positions is avoided. Furthermore, the X-shaped sealing element has a particularly low friction behavior.

In a further embodiment, the contact housing has a first housing section and a second housing section connected to the first housing section. The second housing section is at least partially arranged in the interior of the base and the first housing section is arranged outside of the interior of the base. The first housing section is inclined, preferably perpendicular, to the second housing section. The first housing section and the second housing section are positively and / or non-positively and / or cohesively connected to one another or are formed in one piece and made of the same material.

• Figur 1 eine perspektivische Darstellung eines Systems;
• Figur 2 einen Ausschnitt einer Schnittansicht entlang einer in Figur 1 gezeigten Schnittebene A-A durch das in Figur 1 gezeigte System;
• Figur 3 eine Explosionsdarstellung der in den Figuren 1 und 2 gezeigten ersten Kontakteinrichtung;
• Figur 4 einen Ausschnitt einer Schnittansicht entlang der in Figur 1 gezeigten Schnittebene A-A durch den in den Figuren 1 bis 3 gezeigten Sockel;
• Figur 5 einen Ausschnitt einer Seitenansicht auf den zweiten Gehäuseabschnitt des ersten Kontaktgehäuses;
• Figur 6 einen Ausschnitt der in Figur 2 gezeigten Schnittansicht entlang der in Figur 1 gezeigten Schnittebene A-A durch das System;
• Figur 7 einen Ausschnitt einer Schnittansicht entlang einer in Figur 1 gezeigten Schnittebene B-B durch die erste Kontakteinrichtung;
• Figur 8 eine Schnittansicht entlang der in Figur 1 gezeigten Schnittebene A-A durch die in Figur 1 gezeigte erste Kontakteinrichtung, wobei sich das erste Kontaktgehäuse gegenüber dem Sockel in einer zweiten Axialposition befindet;
• Figur 9 eine Schnittansicht entlang einer in Figur 1 gezeigten Schnittebene C-C durch die in Figur 1 gezeigte erste Kontakteinrichtung;
• Figur 10 einen Ausschnitt einer Schnittansicht entlang der in Figur 1 gezeigten Schnittebene B-B durch eine erste Kontakteinrichtung gemäß einer zweiten Ausführungsform;
• Figur 11 eine Schnittansicht entlang der in Figur 1 gezeigten Schnittebene B-B durch eine erste Kontakteinrichtung gemäß einer dritten Ausführungsform.

The invention is explained in more detail below with reference to figures. Show:

• Figure 1 a perspective view of a system;
• Figure 2 a detail of a sectional view along an in Figure 1 Section plane AA shown through the in Figure 1 system shown;
• Figure 3 an exploded view of the Figures 1 and 2 first contact device shown;
• Figure 4 a detail of a sectional view along the in Figure 1 Section plane AA shown through the in Figures 1 to 3 socket shown;
• Figure 5 a detail of a side view of the second housing portion of the first contact housing;
• Figure 6 a section of the in Figure 2 sectional view shown along the in Figure 1 Section plane AA shown through the system;
• Figure 7 a detail of a sectional view along an in Figure 1 Section plane BB shown through the first contact device;
• Figure 8 a sectional view along the in Figure 1 Section plane AA shown through the in Figure 1 shown first contact device, wherein the first contact housing is located opposite the base in a second axial position;
• Figure 9 a sectional view along an in Figure 1 Section plane CC shown through the in Figure 1 shown first contact device;
• Figure 10 a detail of a sectional view along the in Figure 1 section plane BB shown through a first contact device according to a second embodiment;
• Figure 11 a sectional view along the in Figure 1 Section plane BB shown through a first contact device according to a third embodiment.

Figure 1 shows a perspective illustration of a system 10 with a first contact device 20 according to a first embodiment.

The system 10 has, for example, a component housing 15, the first contact device 20 and a connection line 25. For example, an electrical component, for example an electric drive motor, can be arranged in the component housing 15.

The first contact device 20 has a base 30 and a first contact housing 35. The base 30 is connected to a side surface 37 of the component housing 15 on a side facing away from the first contact housing 35 on the component housing 15 by means of a fastening means 36, for example screws. The connection line 25 is routed parallel to the side surface 37.

The first contact housing 35 is connected to the base 30 on a side that faces the component housing 15. The first contact housing 35 is mounted in the base 30 such that it can rotate about an axis of rotation 40. The axis of rotation 40 is oriented perpendicular to the side surface 37. On a side facing away from the base 30, the first contact housing 35 has a connection side 45 with which the first contact housing 35 is connected to the connection line 25, in particular to a mating connector 46 arranged on the connection line.

Figure 2 FIG. 11 shows a detail of a sectional view along a FIG Figure 1 Section plane AA shown through the in Figure 1 System shown 10.

The first contact housing 35 is designed as an angular housing and is L-shaped in the embodiment. The first contact housing 35 has a first housing section 41 and a second housing section 42. The first housing section 41 is arranged parallel to the side surface 37 of the component housing 15. The second housing section 42 is oriented perpendicular to the first housing section 41 and to the side surface 37 and connected on one side to the first housing section 41. On the side facing away from the first housing section 41, the second housing section 42 is connected to the base 30. The component housing 15 has a through opening 43. The second housing section 42 opens out at the through opening 43 on a side facing away from the first housing section 41.

In the embodiment, the first housing section 41 and essentially the second housing section 42 are designed as a hollow cylinder. The first contact housing 35 is preferably formed in one piece and of the same material. The first housing section 41 and the second housing section 42 delimit a housing interior 44.

A plurality of first electrical lines 55, which are each electrically insulated from one another, are arranged in the housing interior 44. The first electrical lines 55 are arranged in the housing interior 44 in such a way that the first electrical lines 55 twist by at least 180 ° when the first contact housing 35 is rotated about the axis of rotation 40 and do not block the rotation of the first contact housing 35 or cause damage during the rotation to take. Furthermore, the first electrical lines 55 are routed through the through opening 43 into the component housing 15, for example to the component.

The first contact device 20 has a first contact element 50 on the connection side 45 for each first electrical line 55. The first contact element 50 is each connected to an electrical line 55. Furthermore, the first contact element 50 is fastened in the first housing section 41 in the first contact housing 35.

The connection line 25 has a second contact device 60, for example a mating connector 46, and preferably a plurality of second electrical lines 65. the Second contact device 60 has a second contact housing 61 and a second contact element 70 for each second electrical line 65. The second contact element 70 is designed to correspond to the first contact element 50 and, in the assembled state of the connection line 25 on the connection side 45 of the first contact device 20, forms an electrical connection with the respectively assigned first contact element 50.

For example, if the first contact element 50, as in FIG Figure 2 Shown schematically, designed as a socket contact, the second contact element 70 is, for example, designed as a plug contact which engages in the first contact element 50. Alternatively, the first contact element 50 can also be designed as a plug contact and the second contact element 70 as a socket contact. The second contact element 70 is fastened in the second contact housing 61.

For mechanical fastening of the second contact device 60 to the first contact device 20, the second contact housing 61, for example, encompasses the first housing section 41 on the connection side 45 on the circumferential side.

In addition, fastening means and / or latching means (not shown) can be provided in order to secure the second contact housing 61 against unintentional pulling off from the first contact housing 35.

Figure 3 FIG. 11 shows an exploded view of the FIGS Figures 1 and 2 first contact device 20 shown.

The first contact device 20 has, in addition to the base 30 and the in Figure 3 First contact housing 35 shown in abbreviated form has a latching device 90, a clamping device 95 and a sealing device 100. The sealing device 100 has a first sealing element 105 second sealing element 110 and a third sealing element 115.

The first sealing element 105 and the third sealing element 115 are designed, for example, as an O-ring. Here, for example, an inner diameter d3 of the third sealing element 115 is greater than an inner diameter d1 of the first sealing element 105. The second sealing element 110 preferably has an X-shaped cross section. The second sealing element 110 can also be designed differently, for example as an O-ring. Due to the X-shaped configuration of the second sealing element 110, the sealing element 110 seals both in the radial direction and in the axial direction. Furthermore, twisting of the sealing element 100 is avoided. Furthermore, the X-shaped second sealing element 110 has a particularly favorable frictional behavior.

In the embodiment, the tensioning device 95 comprises a corrugated spring 96. The corrugated spring 96 is made from a round material and is designed as an open ring. Another embodiment of the wave spring 96 would also be conceivable. In addition or as an alternative to the wave spring 96, the tensioning device 95 can also have at least one compression spring and / or a plate spring.

The latching device 90 has at least one latching pin 120. In the embodiment, for example, in Figure 3 four locking pins 120 are provided. The number of locking pins 120 can be freely selected. However, it is advantageous if at least three latching pins 120 are provided, which are for example distributed at regular intervals in the circumferential direction relative to the axis of rotation 40.

Figure 4 FIG. 11 shows a detail of a perspective sectional view along the line in FIG Figure 1 Section plane AA shown through the in Figure 1 base 30 shown.

The inside of the base 30 is essentially hollow-cylindrical running around the axis of rotation 40 and delimits a base interior 150 on the inside with respect to an environment 151. The base 30 has a lower base end face 125 and an upper base end face 130 arranged axially opposite to the axis of rotation 40. A circumferential first sealing groove 145 arranged on a first circular path around the axis of rotation 40 is provided on the lower base end face 125. The lower base end face 125 of the base 30 rests against the side surface 37 of the component housing 15. The first sealing groove 145 is open towards the bottom.

The first sealing element 105 (in Figure 4 not shown), wherein the first sealing element seals the base interior 150 and the housing interior from the surroundings 151.

The base 30 has a first base section 141, a second base section 142 and a third base section 143 in the axial direction. The first base section 141 adjoins the lower base end face 125. The second base section 142 is arranged in the axial direction above directly adjacent to the first base section 141. In the axial direction above the second base section 142, the third base section 143 is arranged adjacent. The third base section 143 is arranged in the axial direction between the upper base end face 130 and the second base section 142.

On the first base section 141, a first wall thickness w1 is thicker than a second wall thickness w2 of the second base section 142. A third wall thickness w3 of the third base section 143 is less than the second wall thickness w2. The third base section 143 is made significantly shorter in the axial direction than the first base section 141 and the second base section 142 Direction of the second base section 142 is shorter than the first base section 141.

At a transition between the first base section 141 and the second base section 142, an inner base circumferential side 155 has a first shoulder 180. The first shoulder 180 has a first support surface 181, which is arranged to run in a plane of rotation relative to the axis of rotation 40.

On the inner base circumferential side 155 of the base 30, the first base section 141 has a second sealing groove 160. The second sealing groove 160 is open towards the inside towards the base interior 150 and is arranged offset in the axial direction relative to the lower base end face 125. The second sealing groove 160 is formed circumferentially around the axis of rotation 40 on a second circular path. For example, the second sealing groove 160, like the first sealing groove 145, has a rectangular cross section.

Above the second sealing groove 160, the first base section 141 has a first recess 175 for each latching pin 120. The first recess 175 is designed as a bore and has a recess longitudinal axis 176 which is inclined to the axis of rotation 40, preferably perpendicular to the axis of rotation 40. If several latching pins 120 are provided, the recess longitudinal axes 176 can be arranged in a common plane of rotation with respect to the axis of rotation 40. The first recesses 175 can be arranged distributed in the circumferential direction at regular intervals around the circumference.
On the inner base circumferential side 155 of the first base section 141, the first base section 141 has a first radial bearing surface 165 of a first radial bearing 170 between the lower base end face 125 and the first recess 175. The first radial bearing surface 165 is Here, for example, it is designed to run in a cylindrical manner around the axis of rotation 40.

A first bevel 185 is provided on the inner base peripheral side 155 of the third base section 143. The first bevel 185 has an inclination of approximately 60 ° to 75 ° with respect to the upper base end face 130.

An outer circumferential side 190 of the base 30 is formed on the first base section 141 to run in a cylindrical manner with respect to the axis of rotation 40. On the second base section 142, the outer base circumferential side 190 is configured in sections in a cylindrical manner on a side facing the first base section 141 and essentially rectangular on a side facing away from the first base section 142. The outer base circumferential side 190 is formed on the third base section 143 in the shape of a cylinder around the axis of rotation 40 and is offset radially inward relative to the second base section 142. A second shoulder 194 is provided on the outer circumferential side 190 of the base 30 at the transition between the third base section 143 and the second base section 142. The second shoulder 194 has a first shoulder surface 195 which runs in a plane of rotation to the axis of rotation 40 and is free on a side facing the upper end face 130 (in the unmounted state of the base 30).

Figure 5 shows a detail of a side view of the second housing section 42 of the first contact housing 35.

The second housing section 42 has a second bevel 210 on an outer circumferential housing side 200 adjoining a lower housing end face 205 of the first contact housing 35. The second bevel 210 has an inclination of approximately 60 ° to 75 ° with respect to the lower housing end face 205.

The first radial bearing 170 has a second radial bearing surface 215 axially adjacent to the second bevel 210. The second radial bearing surface 215 is designed to correspond to the first radial bearing surface of the base. The second radial bearing surface 215 runs in the shape of a cylinder around the axis of rotation 40.

On the upper side adjoining the second radial bearing surface 215, the latching device 90 has a latching structure 220 on the outer circumferential side 200 of the housing. The latching structure 220 has a disengaging section 225 and a spur toothing 230. The spur toothing 230 is arranged in the axial direction between the second radial bearing surface 215 and the unlocking section 225.

The unlocking section 225 is groove-shaped and is delimited in the axial direction in relation to the axis of rotation 40 on the one hand by the spur toothing 230 and on the other side (on a side facing away from the lower housing face 205) by a groove side surface 235. The groove side surface 235 is arranged running in a plane of rotation to the axis of rotation 40. A groove base 240 of the unlocking section 225 is designed to run in a cylindrical manner around the axis of rotation 40. The unlocking section 225 is open radially outward.

The spur toothing 230 has at least one first tooth 305 and a second tooth 310 arranged offset in the circumferential direction relative to the first tooth 305. The number of teeth 305, 310 of the face gear 230 is in Figure 5 exemplary. In the circumferential direction between the first tooth 305 and the second tooth 310, the spur toothing 230 has a tooth base 315.

The second housing section 42 has a third shoulder 245, offset in the axial direction relative to the latching structure 220 on a side facing away from the lower housing end face 205 on. The third shoulder 245 has a second contact surface 246 which is arranged to run in a plane of rotation relative to the axis of rotation 40. The second support surface 246 is in Figure 5 arranged on the side facing the lower housing end face 205.

Adjacent in the axial direction on a side of the second support surface 246 facing away from the lower housing end face 205, a third bevel 250 is additionally provided on the third shoulder 245. The third bevel 250 has an inclination of approximately 60 ° to 75 ° with respect to the second support surface 246.

Above the third bevel 250, a second radial bearing 260 has a third radial bearing surface 255. The third radial bearing surface 255 is arranged to run in a cylindrical manner around the axis of rotation 40. For example, a third sealing groove 265 is provided in the third radial bearing surface 255. The third sealing groove 265 is open radially outward.

A fourth shoulder 270 adjoins the third radial bearing surface 255 on the upper side. By means of the third shoulder 245 and the fourth shoulder 270, the outer housing circumferential side 200 of the first contact housing 35 is formed step-like with increasing diameter from the lower housing end face 205 upwards in the direction of the first housing section 41. The fourth shoulder 270 has a second shoulder surface 271 on a side facing the lower housing end face 205. The second shoulder surface 271 is arranged in a plane of rotation about the axis of rotation 40.

In addition, a second recess 275 is provided in the fourth shoulder 270. The second recess 275 is formed in the form of a groove and is formed circumferentially around the axis of rotation 40. The second recess 275 is open towards the lower housing end face 205 of the first contact housing 35.

Figure 6 FIG. 11 shows a detail of a perspective sectional view along the line in FIG Figure 1 Section plane AA shown through the system 10. For reasons of clarity, in Figure 6 only the first contact device 20 is shown.

The first contact housing 35 is in Figure 6 arranged in a first axial position opposite the base 30. In the first axial position, the third base section 143 engages the second recess 275 only in sections. The second recess 275 and the third base section 143 form a gap seal which, regardless of the axial position of the first contact housing 35 relative to the base 30, prevents dirt particles from penetrating into the base interior 150.

The second radial bearing 260 has a fourth radial bearing surface 276 on the inner base circumferential side 155 on the second base section 142 axially between the first shoulder 180 and the first bevel 185. The fourth radial bearing surface 276 is designed to run cylindrically around the axis of rotation 40 and to correspond to the third radial bearing surface 255. The third radial bearing surface 255 rests on the fourth radial bearing surface 276.

The third sealing element 115 is arranged in the third sealing groove 265. The third sealing element 115 rests on the fourth radial bearing surface 276, which in sections also serves as a sealing surface. Due to the high manufacturing quality of the fourth radial bearing surface 276, damage to the third sealing element 115 is avoided in the event of an axial movement of the first contact housing 35 relative to the base 30.

In addition, the first contact device 20 can have a third radial bearing 280. The third radial bearing 280 has a fifth radial bearing surface 285 and a sixth radial bearing surface 290. The fifth radial bearing surface 285 is arranged on the outer circumferential side 200 of the housing axially between the latching structure 220 and the third shoulder 245. The sixth radial bearing surface 290 is arranged on the inner base circumferential side 155. The sixth radial bearing surface 290 is arranged in the axial direction between the first shoulder 180 and the recesses 175. The sixth radial bearing surface 290 and the fifth radial bearing surface 285 are designed to correspond to one another and run cylindrically around the axis of rotation 40. The first radial bearing surface 165 and the sixth radial bearing surface 290 can be designed as a common radial bearing surface.

The tensioning device 95 is arranged axially between the first shoulder 180 and the third shoulder 245 in a spring chamber 291. The ring-shaped spring chamber 291 is delimited radially on the outside by the fourth radial bearing surface 276 and radially on the inside by the fifth radial bearing surface 285. The tensioning device 95 is supported on one side on the first support surface 181 and on the other side on the second support surface 246.

The second sealing element 110 is arranged in the second sealing groove 160. As a result of the arrangement of the second sealing groove 160 on the first radial bearing surface 165, the second sealing element 110 rests on the second radial bearing surface 215, so that damage to the second sealing element 110 can be avoided due to the high surface quality of the first radial bearing 170 designed as a plain bearing.

Furthermore, on both sides of the second sealing groove 160, the second radial bearing surface 215 rests against the first radial bearing surface 165. Due to the radial bearings 170, 260, 280, which are designed as plain bearings, and the flat contact between the respective associated radial bearing surfaces 165, 215, 255, 276, 285, 290, high forces acting transversely to the axis of rotation 40, which can cause tilting of the second housing section 42 in to the Could cause base interior 150 can be reliably avoided. In particular, levering or destruction of the first contact housing 35 is reliably avoided via the radial bearings 170, 260, 280 even when high forces act perpendicular to the axis of rotation 40 on the second housing section 42 due to the large axial distance between the radial bearings 170, 260, 280.

Providing the bevels 185, 210, 250 enables the second housing section 42 to be pushed into the base interior 150 particularly easily from above in the direction of the component housing. In particular, the first bevel 185 prevents squeezing and / or damage to the third sealing element 115 and the second bevel 210 prevents squeezing and / or damage to the second sealing element 110 when the second housing section 42 is pushed axially into the base interior 150. This ensures reliable sealing of the base interior 150 by the second and third sealing elements 110, 115 between the base 30 and the second housing section 42.

Furthermore, the arrangement of the locking device 90 axially between the second sealing element 110 and the third sealing element 115 reliably prevents contamination or fluids from penetrating into the component housing 15. The penetration of possibly broken parts, for example the spur toothing 230, through the second and third sealing elements 110, 115 into the component housing 15 as well as abrasion due to wear of the latching device 90 and thus possible damage to the components arranged in the component housing 15 is also prevented.

The latching pin 120 has a first pin section 295 and a second pin section 300. The first pin portion 295 is connected to the second pin portion 300. In the embodiment, the Latching pin 120 is cylindrical, the outer diameter extending over the entire length of the latching pin 120. In addition, the locking pin 120 can be chamfered on the front side. The first pin section 295 engages in the first recess 175 of the base 30. It is particularly advantageous here if the first pin section 295 is pressed into the first recess 175. As a result, a reliable hold of the locking pin 120 in the base 30 can be ensured. A different type of fastening of the locking pin 120 to the base 30 is also conceivable, so the locking pin 120 can also be connected to the base 30 in a force-locking and / or form-locking and / or material-locking manner.

The second pin section 300 protrudes into the base interior 150. In the first axial position, as in FIG Figure 6 As shown, the second pin section 300 engages in the spur toothing 230 and secures a position of the first contact housing 35 in the circumferential direction in relation to the axis of rotation 40.

The system 10 described above is particularly easy and quick to assemble. In particular, the contact device 20 can also be mounted (partially) automatically. The assembly of the system 10 is briefly discussed below, although it is of course possible to deviate from the sequence described below.

First, the second sealing element 110 is inserted into the second sealing groove 160. Following this, the clamping device 95 is introduced into the base interior 150 from above and placed on the first support surface 181. Furthermore, the third sealing element 115 is introduced into the third sealing groove 265. The first contact housing 35 is then pushed into the base interior 150 until the unlocking section 225 is arranged at the level of the recesses 175. The locking pins 120 are then pushed into the recesses 175 and, if necessary, glued. The first sealing element 105 is then inserted into the first sealing groove 105 and the first electrical line 55 is threaded through the through opening to the electrical drive motor. Subsequently, the base 30 is placed on the side surface 37 and fastened to the component housing 15 by means of the fastening means. The electrical line is connected to the first contact element and the first contact element is attached to the connection side of the first contact housing 35.

Figure 7 FIG. 11 shows a detail of a sectional view along a FIG Figure 1 Section plane BB shown through the first contact device 20.

The first tooth 305 has a first tooth flank 320 on a side facing the second tooth 310 and the second tooth 310 has a second tooth flank 325 on a side facing the first tooth 305. The tooth base 315 connects the first tooth flank 320 with the second tooth flank 325.

The first tooth flank 320 is delimited by a tooth tip 335 and the tooth base 315. The tooth head 335 is arranged on a side of the tooth 305, 310 facing the unlocking section 225 and delimits the unlocking section 225 opposite the groove side surface 235. Each tooth 305, 310 has a tooth base 340. The tooth base 340 is arranged on a side of the tooth 305, 310 facing away from the unlatching section 225. The first tooth flank 320 and the second tooth flank 325 are oriented obliquely to the axis of rotation 40, in particular obliquely to a plane in which the axis of rotation 40 runs. Alternatively, the first tooth flank 320 and the second tooth flank 325 can also be aligned parallel to one another, each of the tooth flanks 320, 325 being arranged in a common plane with the axis of rotation 40.

It is particularly advantageous if the first tooth flank 320, the tooth base 315 and the second tooth flank 325 are arranged on a common arc, in particular on a common circular path with a center point 330. Another configuration is also conceivable. The center point 330 can be arranged in the unlatching section 225. Alternatively, the center point 330 can also be arranged outside the unlocking section 225, for example on a side of the unlocking section 225 facing away from the spur toothing 230 in the axial direction.

The first tooth flank 320 forms an angle α with the second tooth flank 325 at the tooth tip 335. It is particularly advantageous if the angle α is an acute or an obtuse angle. It is also advantageous if the angle α is in a range from 0 ° to 170 °, in particular in a range from 30 ° to 90 °. The angle is advantageously 60 °.

The second pin section 300 has a contact surface 345 on a side facing the face toothing 230. In the embodiment, the contact surface 345 is, for example, cylindrical and is designed to correspond to the first tooth flank 320, the tooth base 315 and the second tooth flank 325.

It is particularly advantageous if the unlocking section 225 has an axial width in the axial direction between the tooth tip 335 and the groove side surface 235 which corresponds approximately to an axial extension of the second pin section 300, in the embodiment a diameter of the second pin section 300.

The contact surface 345 is in the first axial position, as shown in FIG Figure 7 is shown, on the first tooth flank 320, the second tooth flank 325 and the tooth base 315, so that a position in the circumferential direction of the first contact housing 35 is set relative to base 30. Furthermore, because the contact surface 345 rests on the tooth base 315, undesired axial movement of the first contact housing 35 with respect to the axis of rotation 40 relative to the base 30 is avoided. Alternatively, it is also conceivable that the contact surface 345 also only rests exclusively on one of the tooth flanks 320, 325 or exclusively only on the tooth base 315 and is arranged at a distance from the tooth flanks 320, 325.

In the embodiment, for example, the tensioning device 95 is relaxed in the first axial position. Alternatively, the tensioning device 95 can be pretensioned in the first axial position. The preload has the advantage that if, for example, the contact surface 345 only rests against the tooth base 315, the preload between the contact surface 345 and the tooth base 315 creates a frictional connection and so in the circumferential direction the first contact housing 35 only after overcoming the frictional connection around the axis of rotation 40 can be twisted.

If the tensioning device 95 is pretensioned, the tensioning device 95 provides a first axial force F _A1 in the first axial position. The first axial force F _A1 is introduced into the first contact housing 35 through the third shoulder 245. In the embodiment, the first axial force F _A1 acts, for example, in an upward direction. As a result, the spur toothing 230 is pulled upwards and pressed against the contact surface 345 _{with the first axial force F A1.} This configuration has the advantage that the first contact housing 35 is arranged without play relative to the base 30 in the axial direction.

Figure 8 FIG. 13 shows a sectional view along the line in FIG Figure 1 Section plane AA shown through the in Figure 1 shown first contact device 20, wherein the first contact housing 35 is arranged in a second axial position.

In the second axial position is opposite to that in, for example Figure 7 First axial position shown, the first contact housing 35 is shifted downward in the direction of the component housing 15. In the second axial position, the locking pin 120 does not engage in the face toothing 230, but rather engages in the unlocking section 225. The unlocking section 225 is designed as a ring-shaped circumferential groove, so that a movement of the first contact housing 35 relative to the base 30 around the axis of rotation 40 and the second axial position is released in the circumferential direction and, as a result, for example, the first housing section can be aligned in such a way that the connection line, but at least the second contact device and the first housing section are aligned with one another. Furthermore, the second housing section 42 protrudes into the through opening 43.

The unlatching of the latching device 90 for transferring the first contact housing 35 from the first axial position into the second axial position can take place in two possible variants.

In the first variant, by a user of the system on the upper side to the first terminal housings 35 are pushed with a second axial force F _A2, wherein by means of the second axial force F _A2, the first contact housing 35 relative to the base 30 first from the relatively against the action of the clamping device 95 Axial position (cf. Figure 7 ) into the second axial position (cf. Figure 8 ) is transferred until the locking pin 120 only engages in the unlatching section 225 and is thus arranged outside of the spur toothing 230. If the second axial force F _{A2 is} maintained, the first contact housing 35 can be rotated relative to the base 30 about the axis of rotation 40.

The axial displacement of the first contact housing 35 with respect to the base 30 is limited in the embodiment by the fact that the second pin section 300 strikes the groove side surface 235 on a side facing away from the spur toothing 230. This prevents the tensioning device 90 from being overpressed.

Alternatively, the second shoulder surface 271 can also strike the first shoulder surface 195 and thus limit the movement of the first contact housing 35 in the direction of the base 30 or the component housing 15.

The tensioning device 95 is tensioned in the second axial position and provides a third axial force F _A3 which acts against the second axial force F _A2. If the second axial force F _{A2 is} canceled after the first contact _{housing 35 has been rotated, the third axial force F A3} promotes the first contact housing 35 from the second axial position back into the first axial position. The second pin section snaps into place between two teeth.

In a second variant, only a torque M about the axis of rotation 40 is introduced into the first contact device 20 by the user in order to rotate the first contact housing 35 with respect to the base 30. Due to the inclined alignment of the first tooth flank 320 and the contact surface 345 corresponding to the first tooth flank 320, the torque M effects a conversion of part of the torque M into the second axial force F _A2 . The second axial force F _A2 acts against the third axial force F _A3 , and if the second axial force F _{A2 is} greater than the third axial force F _A3 , the first tooth flank slides on the contact surface 345 of the locking pin 120 while the first contact housing 35 is rotated . The spur toothing 230 or the first contact housing 35 is moved from the first axial position into the second _{axial position by the second axial force F A2 in the direction of the component housing 15} postponed. If the second pin section 300 slides over the tooth head, the first contact housing 35 is in the second axial position.

In the event of a further rotation, the second pin section 300 slides along the second tooth flank, the tensioning device returning _{the first contact housing 35 to the first axial position with the second axial force F A2} until the second pin section 300 is arranged centrally between the teeth. If the torque M is further maintained, the described snapping axial movement is repeated between the first axial position and the second axial position until the first contact section branches off in the desired direction. The first lines are twisted within the first contact housing 35.

Furthermore, the first contact device 20 can have an anti-rotation device which is designed to allow only a rotation of the first contact housing 35 by a predefined further angle, for example 350 °, in order to allow the axis of rotation 40 with respect to the base 30. This ensures that the first electrical line is not twisted too much in the first contact device 20.

The second variant has the advantage that the user is additionally provided with a haptic feeling when rotating the first contact device 20, by means of which the user is informed that the locking pin 120 has engaged after the torque M has been provided between the teeth. Furthermore, the first contact housing 35 can be rotated about the axis of rotation 40 even if the installation space is restricted.

Figure 9 FIG. 13 shows a sectional view along a line in FIG Figure 1 Section plane CC shown through the in Figure 1 first contact device 20 shown.

The spur toothing 230 has a tooth pitch which is selected such that in the first axial position all of the latching pins 120 engage in the spur toothing 230. Furthermore, even when the torque M is introduced about the axis of rotation 40 into the first contact housing 35, only one tooth flank 320, 325 of the spur toothing 230 is constantly loaded and the other tooth flanks 320, 325 of the spur toothing 230 are unloaded. This avoids uneven wear of the spur toothing 230 and of the latching pin 120.

The distance between two locking pins 120, which is selected uniformly in the circumferential direction, in the embodiment the locking pins 120 are each arranged at a 90 ° angle to one another, furthermore ensures that when the first contact housing 35 is transferred from the first axial position to the second axial position and from the second axial position back into the first axial position, the first contact housing 35 is not tilted in the base interior 150 and / or at least one of the radial bearings is overstressed.

In addition, a fastening opening 350 can be provided laterally on the outer base circumferential side 190 in a corner area of the first base section 141 in order to releasably fasten the base 30 to the component housing by means of the fastening means, for example a screw connection, and to press the first sealing element against the side surface.

Figure 10 FIG. 11 shows a detail of a sectional view along the line in FIG Figure 1 according to a first embodiment shown section plane BB through a first contact device 20 according to a second embodiment.

Unless otherwise stated, the first contact device 20 is essentially identical to that in FIG Figures 1 to 9 first contact device shown.

The first tooth flank 320 axially abuts the second tooth flank 325 directly on a side of the teeth 305, 310 facing away from the unlatching section 225. The tooth 305, 310 has an exemplary triangular cross section. The tooth flank 320, 325 and the respectively corresponding contact surface 345 are each arranged in a plane which is inclined to the plane in which the axis of rotation 40 runs. The tooth flank 320, 325 and the contact surface 345 are each designed to correspond to one another and are designed to be planar in the embodiment.

The latching pin 120 has a triangular, preferably an isosceles triangular, cross section at least in the second pin section 300.

Figure 11 FIG. 13 shows a sectional view along the line in FIG Figure 1 Section plane BB shown through a first contact device 20 according to a third embodiment.

The first contact device 20 is essentially a combination of that in FIG Figure 10 and the one in the Figures 1 to 9 shown first contact device.

In the embodiment, for example, the latching pin 120 is polygonal at least in the second pin section 300. The polygonal cross section can also extend over the entire extent of the locking pin 120. In this case, of course, the recess into which the first pin section engages would also have a polygonal design corresponding to the polygonal configuration of the latching pin 120. The spur toothing 230 is designed in such a way that the Tooth head 335 is planar to delimit the unlocking section 225 and runs in a plane of rotation to the axis of rotation 40.

In the embodiment, the tooth flanks 320, 325 and the contact surface 345 provided to correspond to the tooth flank 320, 325 are designed to be planar. The tooth flank 320, 325 could also be convex or concave and the respective corresponding contact surface 345 could be concave or convex.

Between the two teeth 305, 310, as already in FIGS Figures 1 to 9 explained, the tooth base 315 is provided. In the first axial position, in the third embodiment, the second pin section 300 also rests against the tooth base 315 with the contact surface 345 and against the tooth flanks 320, 325. It would also be conceivable that the tooth base 315 is arranged at a distance from the contact surface 345.

150

Sockelinnenraum

151

Umgebung

155

innere Sockelumfangsseite des Sockels

160

zweite Dichtnut

165

erste Radiallagerfläche

170

erstes Radiallager

175

erste Aussparung

176

Aussparungslängsachse

180

erster Absatz

181

erste Auflagefläche

185

erste Fase

190

äußere Sockelumfangsseite des Sockels

194

zweiter Absatz

195

erste Absatzfläche

200

äußere Gehäuseumfangsseite (des ersten Kontaktgehäuses)

205

untere Gehäusestirnseite (des ersten Kontaktgehäuses)

210

zweite Fase

215

zweite Radiallagerfläche

220

Raststruktur

225

Entrastungsabschnitt

230

Stirnverzahnung

235

Nutseitenfläche

240

Nutgrund

245

dritter Absatz

246

zweite Auflagefläche

250

dritte Fase

255

dritte Radiallagerfläche

260

zweites Radiallager

265

dritte Dichtnut

270

vierter Absatz

271

zweite Absatzfläche

275

zweite Aussparung

276

vierte Radiallagerfläche des zweiten Radiallagers

280

drittes Radiallager

285

fünfte Radiallagerfläche

290

sechste Radiallagerfläche

291

Federraum

295

erster Stiftabschnitt

300

zweiter Stiftabschnitt

305

erster Zahn

310

zweiter Zahn

315

Zahngrund

320

erste Zahnflanke

325

zweite Zahnflanke

330

Mittelpunkt

335

Zahnkopf

340

Zahnfuß

345

Anlagefläche

350

Befestigungsöffnung

Due to the polygonal design, as in Figure 10 when the torque M is introduced into the first contact housing 35, a uniform, continuous axial movement for transferring the first contact housing 35 from the first axial position to the second axial position is ensured.

150

Base interior

151

Surroundings

155

inner base peripheral side of the base

160

second sealing groove

165

first radial bearing surface

170

first radial bearing

175

first recess

176

Longitudinal axis of the recess

180

first paragraph

181

first contact surface

185

first bevel

190

outer base peripheral side of the base

194

second paragraph

195

first landing

200

outer circumference of the housing (of the first contact housing)

205

lower housing face (of the first contact housing)

210

second bevel

215

second radial bearing surface

220

Locking structure

225

Unlatching section

230

Spur gearing

235

Groove side surface

240

Groove base

245

third paragraph

246

second support surface

250

third bevel

255

third radial bearing surface

260

second radial bearing

265

third sealing groove

270

fourth paragraph

271

second landing surface

275

second recess

276

fourth radial bearing surface of the second radial bearing

280

third radial bearing

285

fifth radial bearing surface

290

sixth radial bearing surface

291

Spring room

295

first pin section

300

second pin section

305

first tooth

310

second tooth

315

Tooth base

320

first tooth flank

325

second tooth flank

330

Focus

335

Tooth head

340

Tooth root

345

Contact surface

350

Mounting hole

Claims (15)

1. Contact device (20),

   - having a contact housing (35), a base (30), a tensioning device (95) and a latching device (90),

   - the base (30) delimiting a base interior space (150),

   - the contact housing (35) engaging at least in sections into the base interior space (150),

   - the latching device (90) having a latching structure (220) and at least one latching pin (120) on an outer housing circumferential side (200) of the contact housing (35),

   - the latching structure (220) having a spur toothing system (230) and an unlatching section (225) which adjoins the spur toothing system (230) in the axial direction,

   - the unlatching section (225) being of groove-shaped configuration in the circumferential direction at least in sections so as to run around the contact housing (35),

   - the latching pin (120) being connected to the base (30) and protruding into the base interior space (150),

   - the tensioning device (95) being arranged between the base (30) and the contact housing (35) in the base interior space (150),

   - it being possible for the contact housing (35) to be displaced relative to the base (30) in the axial direction counter to the action of the tensioning device (95) between a first axial position and a second axial position,

   - the latching pin (120) engaging into the spur toothing system (230) in the first axial position, and securing a position of the contact housing (35) with respect to the base (30) in the circumferential direction,

   - the latching pin (120) engaging into the unlatching section (225) in the second axial position, and it being possible for the contact housing (35) to be rotated in the circumferential direction about a rotational axis (40) with respect to the base (30),

   - the tensioning device (95) providing, in the second axial position, an axial force (F_A3) for the transfer of the contact housing (35) back into the first axial position.
2. Contact device (20) according to Claim 1,

   - the spur toothing system (230) having at least one first tooth (305) and one second tooth (310),

   - the first tooth (305) being arranged spaced apart from the second tooth (310) in the circumferential direction,

   - the spur toothing system (230) having a tooth base (315) between the teeth (305, 310),

   - the latching pin (120) having a pin section (300),

   - the pin section (300) being arranged in the base interior space (150), and having a bearing face (345) on the circumferential side on a side which faces the spur toothing system (230),

   - the bearing face (345) bearing at least in sections against the tooth base (315) in the first axial position, or

   - the bearing face (345) being arranged spaced apart from the tooth base (315) in the first axial position.
3. Contact device according to Claim 1 or 2,

   - the spur toothing system (230) having at least one first tooth (305) with a first tooth flank (320),

   - the latching pin (120) having a pin section (300),

   - the pin section (300) being arranged in the base interior space (150), and having a bearing face (345) on the circumferential side on the side which faces the spur toothing system (230),

   - the first tooth flank (320) being oriented at least in sections in an obliquely inclined manner with respect to a plane, in which the rotational axis (40) runs,

   - or the first tooth flank (320) and the rotational axis (40) being oriented so as to run parallel to one another,

   - the bearing face (345) bearing against the first tooth flank (320) in the first axial position.
4. Contact device according to Claim 3,

   - the first tooth flank (320) being oriented in such a way that an axial displacement of the contact housing (35) from the first axial position into the second axial position is brought about in interaction with the bearing face (345) in the case of rotation of the contact housing (35) relative to the base (30) about the rotational axis (40) by way of a sliding movement of the first tooth flank (320) on the bearing face (345).
5. Contact device (20) according to one of Claims 2 to 4,

   - the first tooth (305) having a tooth tip (335) and a tooth root (340),

   - the unlatching section (225) being delimited by way of the tooth tip (335) in the axial direction on a first axial side, and the tooth base (340) being arranged on a side of the first tooth (305), which side faces away from the unlatching section (225),

   - the unlatching section (225) being delimited by way of a groove side face (235) on a second axial side which lies opposite the first axial side in the axial direction,

   - the groove side face (235) being arranged in a first rotational plane with respect to the rotational axis (40) .
6. Contact device (20) according to one of Claims 2 to 5,

   - the bearing face (345) of the pin section (300) being configured in cross section at least in sections to be arcuate and/or planar and/or polygonal and/or concave and/or convex.
7. Contact device (20) according to one of Claims 2 to 6,

   - the second tooth (310) having a second tooth flank (325) on a side which faces the first tooth (305),

   - the bearing face (345) bearing against the first tooth flank (320) and against the second tooth flank (325) in the first axial position.
8. Contact device (20) according to Claim 7,

   - the first tooth flank (320), the tooth base (315) and the second tooth flank (325) being arranged on a common arc, in particular on a common circular path, with a centre point (330),

   - the centre point (330) being arranged in the unlatching section (225),
   or

   - the centre point (330) being arranged outside the unlatching section (225),

   - the centre point (330) preferably being arranged on a side of the unlatching section (225), which side faces away from the spur toothing system (230).
9. Contact device (20) according to Claim 7 or 8,

   - the first tooth flank (320) and the second tooth flank (325) being oriented parallel to one another,

   - or

   - the first tooth flank (320) enclosing an angle (α) with respect to the second tooth flank (325),

   - the angle (α) being an obtuse or an acute angle, or

   - the first tooth flank (320) enclosing an angle (α) with respect to the second tooth flank (325),

   - the angle (α) lying in a range from 0° to 170°,
   or

   - the first tooth flank (320) enclosing an angle (α) with respect to the second tooth flank (325),

   - the angle (α) lying in a range from 30° to 90°,
   or

   - the first tooth flank (320) enclosing an angle (α) with respect to the second tooth flank (325),

   - the angle being 60°.
10. Contact device (20) according to one of the preceding claims,

    - the tensioning device (95) being relieved in the first axial position,
    or

    - the tensioning device (95) being prestressed in the first axial position, and pressing the spur toothing system (230) against the bearing face (345) by way of a further axial force (F_A1).
11. Contact device according to one of the preceding claims,

    - the tensioning device (95) comprising at least one cup spring and/or one corrugated spring and/or one compression spring,

    - the base (30) having a first shoulder (180) on a side which faces the base interior space (150), and the contact housing (35) having a second shoulder (245) which is arranged radially on the outer side,

    - the tensioning device (95) being arranged axially between the first shoulder (180) and the second shoulder (245),

    - the tensioning device (95) being supported on one side on the first shoulder (180) and on the other side on the second shoulder (245).
12. Contact device (20) according to one of the preceding claims,

    - the base (30) having at least one cut-out (175),

    - the cut-out (175) being arranged in an inclined manner with respect to the rotational axis (40), preferably in a second rotational plane with respect to the rotational axis (40),

    - the latching pin (120) comprising a further pin section (295),

    - the further pin section (295) engaging at least in sections into the cut-out (175),

    - the further pin section (295) being connected to the base (30) in a non-positive and/or positively locking and/or integrally joined manner,

    - the further pin section (295) preferably being pressed into the cut-out (175),

    - and/or

    - the contact housing (35) comprising a first housing section (41) and a second housing section (42) which is connected to the first housing section (41),

    - the second housing section (42) being arranged at least partially in the base interior space (150), and the first housing section (41) being arranged outside the base interior space (150),

    - the first housing section (41) being arranged in an inclined manner, preferably perpendicularly, with respect to the second housing section (42),

    - the first housing section (41) and the second housing section (42) being connected to one another in a positively locking and/or integrally joined and/or non-positive manner, or the first housing section (41) and the second housing section (42) being configured in one piece and from the same material.
13. Contact device (20) according to one of the preceding claims,

    - having a first radial bearing (170),

    - the first radial bearing (170) having, on an inner base circumferential side (155) of the base (30), a first radial bearing face (165) axially between a lower base end side (125) and the latching pin (120),

    - the first radial bearing (170) having, on the outer housing circumferential side (200) of the contact housing (35), a second radial bearing face (215), which is of corresponding configuration with respect to the first radial bearing face (165), axially between a lower housing end side (205) of the contact housing (35) and the latching structure (220),

    - the first radial bearing face (165) and the second radial bearing face (215) preferably being configured so as to run in a circular manner about the rotational axis (40),

    - the second radial bearing face (215) being supported on the first radial bearing face (165).
14. Contact device (20) according to Claim 13,

    - having a second radial bearing (260),

    - the second radial bearing (260) being arranged so as to lie axially opposite the first radial bearing (170),

    - the second radial bearing (260) having, on the outer housing circumferential side (200) of the contact housing (35), a third radial bearing face (255),

    - the second radial bearing (260) having, on the inner base circumferential side (155) of the base (30), a fourth radial bearing face (276) which is arranged axially between an upper base end side (130), which lies opposite the lower base end side (125), and the latching pin (120),

    - the third radial bearing face (255) and the fourth radial bearing face (276) being configured so as to run about the rotational axis (40),

    - the third radial bearing face (255) being supported on the fourth radial bearing face (276),

    - the first radial bearing (170) preferably being of narrower configuration in the radial direction than the second radial bearing (260).
15. Contact device (20) according to Claim 13 or 14,

    - having a sealing device with at least one sealing element (110),

    - the sealing element (110) being arranged axially between the latching pin (120) and the lower base end side (125),

    - the sealing element (110) being arranged in the radial direction between the base (30) and the contact housing (35),

    - the sealing element (110) sealing the base interior space (150) fluidically with respect to the surrounding area (151),

    - the sealing element (110) preferably having an X-shaped cross section or being configured as an O-ring.

Images