Device for compensating tolerances between two components to be joined

The tolerance compensation device with non-circular cross-section threads and drive contours addresses inefficiencies in existing devices by providing simple assembly, secure fixation, and effective torque transfer, ensuring zero play and self-locking engagement.

DE102023212880A1Pending Publication Date: 2025-06-18WITTE AUTOMOTIVE GMBH
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
DE102023212880
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-12-18
Publication Date
2025-06-18

AI Technical Summary

Technical Problem

Existing tolerance compensation devices in vehicle construction are inefficient in bridging joint gaps and securing components due to play and torque issues, requiring complex assembly and additional means for effective engagement.

Method used

A tolerance compensation device with a base element and compensating element featuring non-circular cross-section threads for frictional engagement, allowing easy assembly, torque control, and zero play, utilizing drive contours for adjustment and fixation.

Benefits of technology

Enables simple assembly, secure fixation, and effective torque transfer between components, ensuring zero play and self-locking engagement without additional means, facilitating easy pre-assembly and adjustment to compensate for tolerances.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 00000000_0000_ABST
    Figure 00000000_0000_ABST
Patent Text Reader

Abstract

The invention relates to a device (1) for compensating tolerances between two components (B1, B2) to be connected to one another, comprising at least one base element (2) with a cavity (26) having an internal thread (25), and a compensating element (3) with an external thread (33), which is or can be brought into threaded engagement with the base element (2) and can be moved from an initial position (P1) into a compensating position (P2) by rotation relative to the base element (2), wherein at least the external thread (33) of the compensating element (3) has a cross-section which deviates in shape from a circular cross-section and, in the compensating position (P2), is in frictional engagement with the internal thread (25) of the base element (2) for tightening a screw element (4).
Need to check novelty before this filing date? Find Prior Art

Description

The invention relates to a device for compensating tolerances between two components to be connected to one another, for example body components and / or interior components of a vehicle.Such a device is fundamentally known and is used, for example, in vehicle construction, in particular when it is concerned to screw two components together over a tolerance-afflicted joining gap and / or a joining distance.Tolerance compensation devices are generally known and are part of fastening elements for fastening components and components to one another, in particular in motor vehicles. For example, tolerance compensation devices or tolerance compensation elements are known which are used in vehicle construction, in particular when it is concerned to screw two components together over a tolerance-afflicted joining gap. For this purpose, the tolerance compensation device is arranged between the components to be connected, and a screw element for screwing the components, for example a screw or a threaded bolt, is passed through correspondingly provided openings in the components and through the tolerance compensation device. When screwing the screw element, the compensating element is rotated relative to the base element via a driving spring connected between the screw element and the compensating element and is thereby moved from its initial position axially to the base element, for example moved out of the base element, until it reaches its compensating position, in which the base element and the compensating element each bear against one of the components and thus bridge the joining gap.It is the object of the present invention to specify a device, in particular a tolerance compensation device, which is improved compared to the prior art.The object is achieved according to the invention with the specified features of claim 1.The device according to the invention for compensating tolerances between two components to be connected to one another comprises at least one base element with a cavity having an internal thread, and a compensating element with an external thread which is or can be brought into threaded engagement with the base element and can be moved by rotation relative to the base element from a starting position into a compensating position, wherein at least the external thread of the compensating element has a cross section differing in its shape from a circular cross section and is in frictional engagement with the internal thread of the base element in the compensating position for tightening a screw element.Because at least the external thread of the compensating element has a cross section differing in its shape from a circular cross section and is in frictional engagement with the internal thread of the base element in the compensating position for tightening a screw element, the compensating element can be brought into a corresponding compensating position before fixing the two components to be connected, in order subsequently to enable tightening a screw element. Due to the deviating cross section, for example a non-round cross section or non-circular cross section, of the external thread, the compensating element can be connected to the base element in a simple manner, in particular can be keyed and / or clamped in the base element. The deviating cross section, in particular a cross section deviating from a round or circular cross section, can in particular reinforce a required threaded engagement in order to absorb a torque to be applied of the screw element during screwing in.Furthermore, the advantages achieved with the invention consist in that simple assembly of the device and simple subsequent fixing of the two components to be connected can be achieved. By means of the deviating shape, in particular a non-circular or non-circular shape, of the external thread, a control of a torque can be achieved. In addition, freedom from play between the device and the components can be ensured.The device can be, for example, a tolerance compensation device which can be brought into a suitable height for bridging a gap, for example a joining gap, between the components before fixing the components to be connected. For example, the components may relate to the mounting of a rear lamp of a vehicle.In other words: The base element with the compensating element arranged therein can be pre-assembled in a simple manner on one of the components, for example on a customer interface. The compensating element can be rotated relative to the base element in order to adjust a height of the compensating element relative to the base element. The compensating element can have a non-round contour in order to control torques.The compensating element can have at least one drive contour, by means of which the compensating element can be moved out of the base element into the compensating position before fixing the components to be connected. This allows an axial tolerance compensation. The compensating element can be rotated relative to the base element via the drive contour. By rotating the compensating element on the drive contour, in particular on the drive interface, the compensating element can be moved relative to the base element, in particular out of the base element. As a result, the height of the device, in particular of the tolerance compensation device, can be adjusted.The drive contour can be a drive interface. The drive contour can be an internal contour, for example an internal drive interface. The drive contour can alternatively or optionally additionally be an external contour, for example an external drive interface.For example, the drive contour can be formed by a flange section on the compensating element, wherein the flange section can have an angular drive contour, in particular an outer contour, which can be gripped by a suitable tool. The drive contour, for example the external drive interface, can be designed as a drive hexagon or drive quadrilateral. A conventional drive tool, for example in the form of a wrench, can be used.For example, the drive contour can be formed by a recess formed in the flange section, into which a suitable tool can be inserted. For example, the drive contour, for example the internal drive interface, can comprise an internal hexagon or internal quadrilateral, a slot or a cross slot. For example, a rotation of the compensating element can be initiated via the drive contour. A conventional drive tool, for example in the form of a screwdriver, can be used.The compensating element can comprise a cavity having an internal thread, wherein after the compensating position has been assumed, the screw element can be tightened in order to fix the components to be connected in the cavity. The internal thread of the compensating element can have a circular cross section. The screw element can be a connecting screw.The internal thread of the base element can have a circular cross section, wherein in the compensating position the compensating element is in a play-free and clamping frictional engagement with the base element. A play-free, clamping connection, in particular a frictional engagement, can be achieved in a simple manner by the interaction of a circular or round internal thread with a non-circular or non-round external thread.A play-free, at least play-reduced and / or self-locking engagement of the base element and compensating element is understood in particular to mean a positive and / or non-positive clamping, in particular wedging, of the two elements, such that they are firmly connected to one another and are immovable, in particular locked against rotation with respect to one another.The external thread can have an oval, elliptical or trilobal cross section. The external thread can have at least two round corners in cross section.The external thread, in particular an external contour of the compensating element, can have a cross section deviating from a circular cross section, in particular a substantially non-circular cross section. The internal thread, in particular an inner contour of the base element, can be substantially circular. The outer contour can be trilobal and have three round corners, also referred to as a triangular round. Alternatively, the outer contour can be oval or elliptical, wherein then instead of three radial protrusions only two radial protrusions are formed. The external thread, in particular the outer contour, can also be formed in such a way that four radial protrusions are formed. Such an outer contour is also referred to as a square round.As a result, a frictional engagement which is at least reduced in play, in particular free of play and clamps, in particular self-locking, can be made possible during the unscrewing of the compensating element from the base element. Such a contour and counter contour, in particular such an external thread and internal thread, makes it possible in a simple manner to achieve a particularly effective frictional engagement and engagement without additional means.The external thread can also have a different cross-sectional shape, for example a two-corner round shape, a square round shape or a multiple-corner round shape.Alternatively, the external thread of the compensating element can have a circular cross section and the internal thread of the base element can have a deviating cross section, for example a non-circular or non-circular cross section.The base element can comprise a flange section surrounding an outer circumference at least in regions and at least one retaining lug protruding outwards. The retaining lug can have a support surface running obliquely at least in sections in the circumferential direction. For example, the retaining lug can comprise at least one substantially straight section and an oblique section adjoining the latter. In the mounted state of the base element on one of the components, the component can be received or received in a clamping manner between the flange section and the retaining lug. The inclined section can form a ramp and, when the base element is rotated relative to the component, serve as an insertion aid for bracing or clamping the component between the flange section and the retaining lug. The retaining nose can be designed to be reversibly flexible.The base element and the compensating element can be prepositioned, in particular pre-mounted, on one of the components. The base element can be pre-assembled, for example, by a type of bayonet lock in one of the two components to be connected.The base element can comprise at least one positioning element which can be designed to clamp and / or latch the base element against rotation on the component in the mounted state of the base element on one of the components.The advantages achieved with the invention consist in particular in that a simply constructed device for connecting two components is provided which compensates tolerances between the components and is particularly simple to premount and mount. The device can be brought into a correct height, in particular by axial adjustment of the compensating element relative to the base element, before fixing the two components to one another by means of a connecting element, in particular a screw element.A method according to the invention for connecting two components by means of at least one device described above, in particular a tolerance compensation device, can comprise at least the following steps:pre-mounting the base element with the compensating element arranged therein on one of the components to be connected,setting or positioning the compensating element into a compensating position by turning the compensating element out of the base element from a starting position into the compensating position,resting the second component on the compensating element after the compensating position has been assumed,screwing a screw element through the second component and into the compensating element and tightening the screw element on the compensating element in order to fix the two components.Exemplary embodiments of the invention are explained in more detail with reference to drawings. The following are shown: FIG. 1 shows schematically in perspective view a device according to the invention for compensating tolerances between at least two components to be connected to one another, comprising at least one base element and a compensating element, FIG. 2 schematically shows a further perspective view of the device according to FIG. 1, FIG. 3 schematically shows a sectional illustration of the apparatus according to FIG. 1, FIG. 4 is a schematic exploded view of the device according to FIG. 1 , FIG. 5 schematically shows a perspective view of the compensating element of the device, FIG. 6 is a schematic top view of the device according to FIG. 1 , FIGS. 7 to 9 are schematic perspective views of a pre-assembly sequence of the device on one of the components to be connected, FIGS. 10 to 12 are schematic sectional views of an assembly sequence for fixing the two components to be connected to one another, FIG. 13 is a schematic bottom view of the device in the pre-assembled state on one of the components to be connected, FIG. 14 is a schematic sectional view of a partial view of the device in the pre-assembled state on one of the components to be connected, FIG. 15 schematically shows a perspective view of a further exemplary embodiment of a device according to the invention for compensating tolerances between at least two components to be connected to one another, comprising at least one base element and a compensating element, FIG. 16 is a schematic view in a further perspective view of the device according to FIG. 15 ; and FIG. 17 schematically shows a sectional illustration of a further exemplary embodiment of a compensating element of a device for compensating tolerances between at least two components to be connected to one another.Corresponding parts are provided with the same reference numerals in all figures.FIG. 1 shows schematically in a perspective view a device 1 according to the invention for compensating, in particular axial, tolerances between at least two components B 1, B 2 to be connected to one another (illustrated in FIGS. 7 to 14 ).The device 1 is provided, for example, for attaching a first component B 1, for example a bearing bracket, an electronic part, a luminaire, a decorative part, to a second component B 2, for example a door panel, a supporting structure or a body structure of a vehicle. For example, the device 1 can be provided for connecting components in a vehicle interior, for example consoles, armrests and other vehicle components.The device 1 comprises at least one base element 2, for example a hollow cylindrical base element 2. the device 1 comprises at least one compensating element 3, for example a substantially hollow cylindrical compensating element 3.The base element 2 is designed as a holding element of the device 1 on a first component B 1. For this purpose, the first component B1 has at least one cutout B1.1, for example, shown in FIG. 7.The base element 2 comprises at least one base body 23. The flange section 24 can be larger in diameter than the base body 23 and form a support surface to be brought into contact with one of the components B 1, B 2.The base element 2 comprises at least one retaining lug 21 or a plurality of retaining lugs 21, which are to be passed through the cutout B1.1 of the component B1 together with the base body 23. Furthermore, the base element 2 comprises at least one position element 22 or a plurality of position elements 22.In the exemplary embodiment shown, the base element 2 comprises three holding protrusions 21 and three positioning elements 22.The retaining lugs 21 are arranged in a rotationally symmetrical manner distributed on the outer circumference of the base element 2, in particular on the base body 23. The holding protrusions 21 are each arranged spaced apart from one another and / or offset in an angle range of 120°.The position elements 22 are arranged distributed rotationally symmetrically on an underside of the flange section 24 of the base element 2. The positioning elements 22 project downward from the underside of the flange section 24. The position elements 22 are each arranged spaced apart from one another and / or offset in an angle range of 120°.The respective positioning element 22 is arranged offset and / or spaced apart from the respective retaining lug 21, for example, by 60°.Other angles and angle ranges are conceivable and can vary depending on a number of the holding protrusions 21 and / or the position elements 22.The retaining lugs 21 each have a support surface 211 running obliquely at least in sections in the circumferential direction of the base element 2 or of the base body 23. The retaining lugs 21 can each have two mutually spaced-apart and parallel supporting webs 212 and a supporting surface 211 connecting the supporting webs 212. The retaining lugs 21 can be, for example, bayonet elements, for example bayonet lugs, so-called bayonet legs or bayonet arms.The retaining lugs 21 can also have a different shape, for example a block-like shape.In the mounted state, for example in the pre-mounted state, of the base element 2 with the compensating element 3 arranged therein on one of the components B 1, B 2, the component B 1, B 2 can be held in a clamping manner between the flange section 24, in particular the underside of the flange section 24, and the respective retaining lug 21.The respective positioning element 22 can, in the mounted state of the base element 2 on one of the components B 1, B 2, clamp the base element 2 against rotation.FIG. 2 schematically shows a further perspective view of the device 1 according to FIG. 1.The base element 2 comprises a cavity 26 having an internal thread 25 (for example shown in FIG. 3 ). The internal thread 25 can extend, for example, over a section in the cavity 26. For example, the internal thread 25 can be formed in sections on an end face. For example, the internal thread 25 can be arranged in the region of the flange section 24. In a development, the internal thread 25 can also extend continuously over an entire inner circumferential surface of the cavity 26.The compensating element 3 comprises a base body 31 and a flange section 32 arranged on the end face of the base body 31, the flange section 32 can be larger in diameter than the base body 31 and form a bearing surface to be brought into contact with one of the components B 1, B 2.The compensating element 3, in particular its base body 31, comprises an external thread 33 and a cavity 35 having an internal thread 34. the compensating element 3 is in threaded engagement with the base element 2 and can be moved by rotation relative to the base element 2 from a starting position P 1 into a compensating position P 2, for example as shown in FIGS. 11 and 12.FIG. 3 schematically shows a sectional illustration of the device 1 according to FIG. 1.The external thread 33 of the compensating element 3 has in particular a cross section differing in its shape from a circular cross section. Because the external thread 33 of the compensating element 3 has a cross section differing in its shape from a circular cross section, the compensating element 3 can be brought into a corresponding compensating position P 2 by means of a screw element 5 (shown in FIG. 12 ) before fixing the two components B 1, B 2 to be connected, in order subsequently to enable tightening of the screw element 5.FIG. 4 schematically shows an exploded view of the device 1 according to FIG. 1.The device 1 comprises at least one base element 2 with a cavity 26 having an internal thread 25, and a compensating element 3 with at least one external thread 33, which is or can be brought into threaded engagement with the base element 2 and can be moved by rotation relative to the base element 2 from a starting position P 1 into a compensating position P 2, wherein at least the external thread 33 of the compensating element 3 has a cross section differing in its shape from a circular cross section and is in frictional engagement with the internal thread 25 of the base element 2 in the compensating position P 2 for tightening a screw element 5.The internal thread 25 of the base element 2 has in particular a circular cross section, wherein in the compensation position P 2 the compensation element 3 is in a play-free and clamping frictional engagement with the base element 2. A play-free, clamping connection, in particular a frictional engagement, can be achieved in a simple manner by the cooperation of a circular or round internal thread 25 with a non-circular or non-round external thread 33.FIG. 5 schematically shows a perspective view of the compensating element 3 of the device 1 (illustrated in FIG. 1 ).The external thread 33 of the compensating element 3 has in particular a cross section differing in its shape from a circular cross section. Because the external thread 33 of the compensating element 3 has a cross section differing in its shape from a circular cross section, the compensating element 3 can be brought into a corresponding compensating position P 2 by means of a screw element 5 (shown in FIG. 12 ) before fixing the two components B 1, B 2 to be connected, in order subsequently to enable tightening of the screw element 5.The external thread 33 of the compensating element 3 can have an oval cross section. The external thread 33 can have two round corners in cross section.Alternatively, the external thread 33 can have an elliptical cross section. The external thread 33 can have two round corners in cross section.Alternatively, the external thread 33 can have a trilobal cross section. The external thread 33 can have three round corners in cross section, also referred to as a triangular round.As a result, a frictional engagement which is at least reduced in play, in particular free of play and clamps, in particular self-locking, can be made possible during the unscrewing of the compensating element 3 from the base element 2. Such a contour and counter contour, in particular such an external thread 33 and internal thread 25, makes it possible in a simple manner to achieve a particularly effective frictional engagement and engagement without additional means.FIG. 6 shows schematically in plan view the device 1 according to FIG. 1.The compensating element 3 comprises at least one drive contour 36, by means of which the compensating element 3 can be moved out of the base element 2 into the compensating position P 2 before fixing the components B 1, B 2 to be connected. By rotating the compensating element 3 on the drive contour 36, for example in the form of a drive interface, the compensating element 3 can be moved relative to the base element 2, in particular out of the base element 2. As a result, a desired height H (shown in FIGS. 11 and 12 ) to be assumed of the device 1 can be set in order to overcome a provided distance between the components B 1, B 2.The compensating element 3 can have, for example, an inner drive contour 36 a. The compensating element 3 can, for example, alternatively or optionally additionally have an external drive contour 36 b.For example, the external drive contour 36 bmay be formed by the flange section 32 of the compensating element 3, wherein the flange section 32 may have an outer circumference provided with corners and edges. The external drive contour 36 bmay be gripped by a suitable tool. The external drive contour 36 bmay be designed as a drive hexagon or drive quadrilateral. A conventional drive tool, for example in the form of a wrench, can be used.For example, the inner drive contour 36 acan be formed by a recess or recess formed centrally in the flange section 32 of the compensating element 3, into which recess a suitable tool can be inserted. For example, the inner drive contour 36 acan be formed as an internal hexagon or internal quadrilateral, a slot or a cross slot. A conventional drive tool, not shown in detail, for example in the form of a screwdriver, can be used.FIG. 7 shows schematically in a perspective view a prepositioning of the device 1 relative to one of the components B 1, B 2 to be connected (in the exemplary embodiment shown on a first component B 1).The first component B1 is shown, which has the recess B1.1 for the passage and arrangement of the base element 2. The component B1 with the recess B1.1 forms, for example, a customer interface.The device 1 is shown in a delivery state in which the compensating element 3 is in threaded engagement with the base element 2. The recess B1.1 of the component B1 can have three guide grooves B1.2 corresponding to the retaining lugs 21 and to the position elements 22 of the base element 2.The guide grooves B1.2 are formed corresponding to the distribution of the retaining lugs 21 and the positioning elements 22. For example, the guide grooves B1.2 are arranged distributed rotationally symmetrically on the circumference of the recess B1.1. The guide grooves B1.2 are each arranged spaced apart from one another and / or offset in an angle range of 120°.FIG. 8 shows schematically in a perspective view a preassembly, in particular prefixing, of the device 1 on the first component B 1 according to FIG. 7.The base element 2 can have at least one drive contour 27, by means of which the base element 2 can be moved for mounting, in particular pre-mounting, and fixing of the device 1 on the first component B 1. By rotating the base element 2 on the drive contour 27, for example in the form of a drive interface, the base element 2 can be moved together with the compensating element 3 arranged therein relative to the first component B 1 and to the guide grooves B 1.2.The base element 2 can have an external drive contour 27 a, for example. The external drive contour 27 acan be formed by the flange section 24 of the base element 2, wherein the flange section 24 can have an outer circumference provided with corners and edges. The external drive contour 27 acan be gripped by a suitable tool. The external drive contour 27 acan be designed as a hexagonal drive or quadrilateral drive. A conventional drive tool, for example in the form of a wrench, can be used. Optionally, it is also possible to rotate on the compensating element 3.In this case, the base element 2 is adjusted relative to the first component B 1 until the positioning elements 22 of the base element 2 latch into the guide grooves B 1.2, for example latch into the guide grooves B 1.2. The position elements 22 can be designed to be reversibly flexible. The positioning elements 22 can thus form a rotation protection.By means of the inclination of the respective supporting surfaces 211 of the retaining lugs 21, the flange section 24, for example in the form of a collar, can be tensioned on the component B 1 during rotation. A bayonet connection can thereby be achieved. The retaining lugs 21 are located below the interface, that is to say the first component B 1, for example below the cutout B 1.1.FIG. 9 shows schematically in a perspective view the device 1 in the mounted, in particular pre-mounted and fixed state, on the component B 1 according to FIG. 7.The position elements 22 are designed, for example, in the form of flexible latching noses, bulges, clip elements and / or elevations. The positioning elements 22 are provided to position the base element 2 radially on the component B 1 and to prevent rotation in the interface, i.e. in the first component B 1, for example in the recess B 1.1 of the component B 1. The position elements 22 are provided for clamping, wedging and / or latching the base element 2 in and / or on one of the components B 1, B 2.By means of the retaining lugs 21 and the position elements 22, the base element 2 is secured radially and axially in and / or on the associated component B 1, B 2. The device 1 and the first component B 1 can be connected to one another in particular without play.FIG. 10 shows schematically in a sectional illustration the device 1 in the mounted, in particular pre-mounted and fixed, state on the component B 1 according to FIG. 9.In the assembled state, the flange section 24 bears against an upper side (or else underside) of the corresponding component B 1, B 2. In the assembled state, the first component B 1 is arranged between the flange section 24 and the retaining lugs 21, in particular their support surfaces 211, and is in particular braced, for example clamped and / or keyed. As a result, axial tensile forces can be absorbed.FIG. 11 shows schematically in a sectional illustration an adjustment of the compensating element 3 of the device 1 from a starting position P 1 into a compensating position P 2 relative to the base element 2 and to the component B 1.By driving, in particular rotating, the compensating element 3 relative to the base element 2, the compensating element 3 can be adjusted to a desired height H to be assumed in order to overcome a provided distance between the two components B 1, B 2 to be connected to one another.FIG. 12 shows schematically in a sectional illustration a fixing of a further, second component B 2 on the device 1 and the first component B 1.If the compensating element 3 is at the desired height H relative to the base element 2, i.e. in the compensating position P 2, the second component B 2 can be fixed. In the compensation position P 2, the compensation element 3 is frictionally engaged with the internal thread 25 of the base element 2 for tightening the screw element 4 by its non-circular external thread 33. The compensating element 3 is screwed to the second component B 2. The screw element 4 can be tightened firmly by the frictional engagement between the compensating element 3 and the base element 2.The screw element 4 can comprise at least one head 41, for example screw head, and a shank 42. The shaft 42 can be provided at the circumference at least in sections with a thread 43. In the final assembled state, the head 41 of the connecting element 4 is supported on an upper side of the second component B 2.FIG. 13 schematically shows a bottom view of the device 1 in the mounted, in particular pre-mounted, state on one of the components B 1, B 2 to be connected.The base body 23 of the base element 2 can be arranged radially free of play in the recess B1.1 of the component B1. The positioning elements 22 can be arranged in the guide grooves B1.2 without play in the direction of rotation.Due to the shape of the compensating element 3 deviating from a circular shape, a clearance and a torque relative to the base element 2 can be generated by at least one projection 5 produced relative to the base element 2. In the respective region of the protrusion 5, the compensating element 3 can be clamped to the base element 2.At the same time, the compensating element 3 and the base element 2 can have a clearance 6 with respect to one another. For example, a circumference of the base element 2 can be larger than a circumference of the compensating element 3, for example measured on the flank diameter. As a result, the base element 2 can assume, for example, a tribullated shape of the compensating element 3 without the circumference of the base element 2 having to be extended. As a result, a plugging stress can be avoided.FIG. 14 shows schematically in a sectional representation a partial view of the device 1 in the mounted, for example pre-mounted, state on one of the components B 1, B 2 to be connected.The base element 2 can be axially free of play with respect to the interface, that is to say with respect to the corresponding component B 1, B 2. For this purpose, the flange section 24, for example a collar or collar, of the base element 2 can be over-pressed. A concave groove 28 on the flange section 24 allows the latter to be designed to be elastic.FIG. 15 shows schematically in perspective view a further exemplary embodiment of a device 1 according to the invention for compensating tolerances between at least two components B 1, B 2 to be connected to one another, comprising at least one base element 2 with a cavity 26 having an internal thread 25, and a compensating element 3 with an external thread 33, which is or can be brought into threaded engagement with the base element 2 and can be moved by rotation relative to the base element 2 from a starting position P 1 into a compensating position P 2.In contrast to the exemplary embodiments illustrated hitherto, the base element 2 comprises retaining clips 21 aas retaining lugs 21. The retaining clips 21 acan each have a support surface 211 aextending straight in the circumferential direction of the base element 2. The retaining clips 21 acan each comprise a lower end connected to the base body 23 of the base element 2 and an upper end protruding from the base body 23, which forms the supporting surface 211 a. In the mounted state, for example in the pre-mounted state, of the base element 2 with the compensating element 3 arranged therein on one of the components B 1, B 2, the component B 1, B 2 can be arranged in a clamping manner between the flange section 24, in particular the underside of the flange section 24, and the respective retaining clip 21 a.The respective positioning element 22 can, in the mounted state of the base element 2 on one of the components B 1, B 2, clamp the base element 2 against rotation.FIG. 16 schematically shows, in a further perspective view, the device 1 according to FIG. 15.Furthermore, the base element 2 comprises at least one position element 22 or a plurality of position elements 22.In the exemplary embodiment shown, the base element 2 comprises three retaining clips 21 aand three positioning elements 22.The retaining clips 21 aare arranged distributed rotationally symmetrically on the outer circumference of the base element 2, in particular on the base body 23. The retaining clips 21 aare each arranged spaced apart from one another and / or offset in an angle range of 120°.The position elements 22 are arranged distributed rotationally symmetrically on an underside of the flange section 24 of the base element 2. The positioning elements 22 project downward from the underside of the flange section 24. The position elements 22 are each arranged spaced apart from one another and / or offset in an angle range of 120°.The respective positioning element 22 is arranged offset and / or spaced apart from the respective retaining clip 21 a, for example, by 60°.FIG. 17 shows schematically in a sectional illustration a further exemplary embodiment of a compensating element 3 of a device 1 for compensating tolerances between at least two components B 1, B 2 to be connected to one another.The compensating element 3 comprises in particular an external thread 33, which has a cross section differing in its shape from a circular cross section and, in the compensating position P 2, is frictionally engaged with an internal thread 25 of the base element 2 for tightening a screw element 4.The compensating element 3 can have a nut element 37 integrated in the cavity 35, for example a metal insert. By using a nut element 37, the compensating element 3 can be produced from a material that is simply unreinforced.A base element 2 can be formed from plastic, for example. The base element 2 can be formed from glass-fibre-containing plastic.The compensating element 3 can be formed from plastic, for example. The compensating element 3 can be formed, for example, from PPA (polyphthalamide) or PA (polyamide). The compensating element 3 can be formed from glass-fibre-containing plastic.The compensating element 3 and / or the base element 2 can also be formed at least in sections from metal.The nut element 37 can be hollow cylindrical, for example. The nut member 37 may include a base body 371 and a flange portion 372 disposed at an end face of the base body 371. At another end face of the nut element 37, the latter can comprise a fastening flange 373. The fastening flange 373 can be configured to fasten the nut element 37 in the cavity 35 of the compensating element 3. The nut member 37 may include a cavity 375 provided with an internal thread 374. In particular, the nut element 37 can have a shape corresponding to the compensating element 3.The nut element 37 can be designed to come into threaded engagement with the screw element 4 for fixing the two components B 1, B 2 to be connected when the screw element 4 is tightened.LIST OF REFERENCE CHARACTERS1 Device 2 Base element 21 Retaining lug 211 Supporting surface 21 a Retaining clip 211 a Supporting surface 22 Positioning element 23 Base body 24 Flange section 25 Internal thread 26 Cavity 27 Drive contour 27 a Außen drive contour 28 Fillet 3 Compensating element 31 Base body 32 Flange section 33 External thread 34 Internal thread 35 Cavity 36 Drive contour 36 a Innen drive contour 36 b Außen drive contour 37 Nut element 371 Base body 372 Flange section 373 Fastening flange 374 Internal thread 375 Cavity 4 Screw element 41 Head 42 Shank 43 Thread 5 Projection 6 Play B 1, B 2 Component B 1.1 Cutout B 1.2 Guide groove H Height P 1 Initial position P 2 Compensating position

Claims

Device (1) for compensating tolerances between two components (B1, B2) to be connected to one another, comprising at least - a base element (2) with a cavity (26) having an internal thread (25), and - a compensating element (3) with an external thread (33), which is or can be brought into threaded engagement with the base element (2) and can be moved by rotation relative to the base element (2) from a starting position (P1) into a compensating position (P2), - wherein at least the external thread (33) of the compensating element (3) has a cross section differing in its shape from a circular cross section and is in frictional engagement with the internal thread (25) of the base element (2) for tightening a screw element (4) in the compensating position (P2).Device (1) according to claim 1, wherein the compensating element (3) has at least one drive contour (36), by means of which the compensating element (3) can be moved out of the base element (2) into the compensating position (P2) before fixing the components (B1, B2) to be connected.Device (1) according to claim 1 or 2, wherein the compensating element (3) comprises a cavity (35) having an internal thread (34), wherein after the compensating position (P2) is assumed, the screw element (4) can be tightened for fixing the components (B1, B2) to be connected in the cavity (35).Device (1) according to one of the preceding claims, wherein the internal thread (25) of the base element (2) has a circular cross section, wherein in the compensating position (P2) the compensating element (3) is in an at least play-reduced, in particular play-free, and clamping frictional engagement with the base element (2).Device (1) according to one of the preceding claims, wherein the external thread (33) has an oval, elliptical or trilobal cross section.Device (1) according to one of the preceding claims, wherein the external thread (33) has at least two round corners in cross section.Device (1) according to one of the preceding claims, wherein the base element (2) comprises a flange section (24) which surrounds an outer periphery at least in regions and at least one outwardly protruding retaining lug (21).Device (1) according to claim 7, wherein the holding lug (21) has a support surface (211) running obliquely at least in sections in the circumferential direction.Device (1) according to claim 7 or 8, wherein in the mounted state of the base element (2) on one of the components (B1, B2), the component (B1, B2) is receivable or received in a clamping manner between the flange section (24) and the retaining lug (21).Device (1) according to one of the preceding claims, wherein the base element (2) comprises at least one positioning element (22) which is designed, in the mounted state of the base element (2) on one of the components (B1, B2), to clamp and / or latch the base element (2) against a rotation on the component (B1, B2).

Citation Information

Patent Citations

  • Device for attaching a first component to a second component

    DE102015120837A1

  • Tolerance compensation arrangement with clamping device

    DE102017130605A1