Length-adjustable, multi-part threaded component

Abstract

Set for producing a threaded component (100, 200) which is designed as a spindle or as a nut and is particularly usable as a drive element in a linear plain bearing, the set comprising a plurality of threaded elements (1, 2), each having a threaded section (11) and a mounting section (12), characterized in that in an operating state of the set in which a specific threaded component (100, 200) is formed by the set, a plurality of the threaded elements (1, 2) are arranged one behind the other along a longitudinal axis and are fixed to one another by means of their mounting sections (12), wherein each of the threaded elements (1, 2) arranged one behind the other forms, with its threaded section (11), a section of a thread turn of a continuous thread of the threaded component (100, 200), wherein the continuous thread can be screwed to a corresponding counter-threaded component over its longitudinal extent and its thread turn runs around the longitudinal axis.

Description

[0001] The invention relates to a set for realizing a modular threaded component, a threaded component produced by means of the set, a threaded component set comprising several different threaded components, each produced by means of the set, and the use of a set for realizing a specific threaded component or a threaded component set.

[0002] It is well known in the prior art to provide a threaded component and a corresponding mating threaded component, one of which is designed as a spindle and the other as a nut, and which have corresponding threads so that the spindle can be screwed into the nut's thread. Such a threaded component or mating threaded component can be used in various applications. In particular, the invention relates to a threaded component that can be used as a drive element in a linear sliding bearing.Such a linear sliding bearing comprises a slide and a rail, wherein the slide is linearly guided and movable along the rail, a nut and a spindle corresponding to the nut are provided on the slide, and wherein, in an operating state of the linear sliding bearing, the spindle is arranged in the nut and the slide can be linearly displaced or driven by rotation of the spindle and engagement of the spindle thread with the nut thread. The spindle and nut are thus each designed as a drive element. A threaded component of this type can, for example, be designed as the spindle or as the nut of such a linear sliding bearing. Preferably, the threaded component has a multi-start thread, which allows a high driving force to be transmitted through the engagement of the thread of the threaded component with a corresponding mating thread of a mating threaded component.

[0003] Depending on the specific application of a threaded component, different requirements are placed on the component. For example, when using a threaded component designed as a spindle as a drive element in a linear sliding bearing, the thread length must be aligned with the rail length of the linear sliding bearing. It may also be necessary to align the length of a threaded component with the space available for mounting it in the specific application. Finally, the thread length of a threaded component may need to be selected based on the drive force that is to be transmitted through the engagement of the thread of the threaded component with a mating thread of a mating threaded component.In the prior art, this problem is addressed by maintaining a large number of different threaded components, from which a suitable component for the respective application is selected. However, manufacturing and maintaining a large number of different threaded components is costly and time-consuming, and the applicability of a single threaded component is limited to only a few applications.

[0004] The present invention is based on the objective of providing a set for realizing a threaded component, a threaded component, a set of threaded components, a linear sliding bearing and / or a use of a set for realizing a threaded component, with which at least one disadvantage of the solutions available in the prior art is at least partially eliminated.

[0005] As a solution to the problem underlying the present invention, the invention proposes a set with the features according to claim 1. The set is suitable for realizing a threaded component designed as a spindle or as a nut. Preferably, the set is suitable for realizing a threaded component that can be used as a drive element in a linear sliding bearing. The set comprises several threaded elements, each having a threaded section and a mounting section. Preferably, each of the threaded elements is designed as a one-piece component. The threaded section and the mounting section are distinct sections of the respective threaded element, such that neither the threaded section is partially formed by the mounting section, nor the mounting section is partially formed by the threaded section. Preferably, the threaded elements are identical.In one operating state of the set, a specific threaded component is formed. This operating state is defined by a defined arrangement of a defined selection of the set's components. In this operating state, several threaded elements are arranged one behind the other along a longitudinal axis and fixed to each other by means of their mounting sections. Each of the threaded elements arranged one behind the other forms a section of a thread of a continuous thread of the threaded component. A corresponding mating threaded component can be screwed onto the continuous thread along its longitudinal extent, and the thread of the continuous thread runs around the longitudinal axis. Because the thread runs around the longitudinal axis, it is ensured that when the threaded component is screwed onto a mating threaded component, the component and the mating threaded component move relative to each other along the longitudinal axis.The longitudinal axis thus forms the thread axis of the thread. According to the invention, the thread comprises several sections, each formed by a different thread element. The thread elements forming the various sections are separate components and are arranged one behind the other along the longitudinal axis. By having the thread elements as distinct sections—one a threaded section and the other a mounting section—the threaded sections allow for a particularly advantageous realization of a thread that becomes increasingly elongated depending on the number of thread elements arranged one behind the other. Furthermore, the mounting sections ensure reliable fixation of the thread elements, thus enabling the realization of a robust, continuous thread.In one embodiment, the threaded section of each of the several threaded elements arranged one behind the other along the longitudinal axis forms a section of the thread of the threaded component that extends around the longitudinal axis. In another embodiment, the threaded elements, with their threaded section, each form such a section of the thread that extends around the longitudinal axis over an angle of less than 360°, in particular over an integer divisor of 360°, for example 180°, 120°, 90° or 60°, such that each group of threaded elements arranged along the same longitudinal section along the longitudinal axis forms a section of the thread of the thread of the threaded component that extends around the longitudinal axis, and these elements are arranged one behind the other in groups along the longitudinal axis.According to the invention, however, several threaded elements are always arranged one behind the other along the longitudinal axis, such that the longitudinal extension length of the thread of the threaded component is determined by the selected number of threaded elements arranged one behind the other along the longitudinal axis. Preferably, the thread of the threaded component is formed entirely by a plurality of threaded elements of the set, wherein at least some of these plurality of threaded elements are arranged one behind the other along the longitudinal axis, in particular all of them are arranged one behind the other along the longitudinal axis, or the plurality of threaded elements can each be divided into groups of threaded elements that are arranged one behind the other along the longitudinal axis.The set is generally preferably configured to produce different threaded components that differ in that their threads have different longitudinal extension lengths, wherein the different threaded components each have a different number of threaded elements arranged one behind the other along the longitudinal axis. In one embodiment, the set is configured to produce at least two different threaded components, in particular at least three different threaded components, and especially at least four different threaded components, wherein in a first operating state of the set a first threaded component is formed that comprises only one threaded element or a group of threaded elements that forms the thread with a thread turn circumferential around the longitudinal axis.forming without several threaded elements of the set being arranged one behind the other along a longitudinal axis, wherein in a second operating state of the set a second threaded component is formed, wherein in the second operating state two threaded elements or groups of threaded elements are arranged one behind the other along a longitudinal axis and together form the thread of the threaded component, wherein in particular in a third operating state of the set a third threaded component is formed, wherein in the third operating state three threaded elements or groups of threaded elements are arranged one behind the other along a longitudinal axis and together form the thread of the threaded component, wherein in particular in a fourth operating state of the set a fourth threaded component is formed, wherein in the fourth operating state four threaded elements or groups of threaded elements are arranged one behind the other.Groups of threaded elements are arranged one behind the other along a longitudinal axis and together form the thread of the threaded component, wherein in particular in a fifth operating state of the set a fifth threaded component is formed, wherein in the fifth operating state five threaded elements or groups of threaded elements are arranged one behind the other along a longitudinal axis and together form the thread of the threaded component.

[0006] In one embodiment, two adjacent threaded elements arranged one behind the other are spaced apart along the longitudinal axis by less than 0.5 mm, in particular by less than 0.3 mm, and in particular by a maximum of 0.5 mm; preferably, they are directly adjacent to one another along the longitudinal axis. In another embodiment, the thread sections formed by the adjacent threaded elements arranged one behind the other are spaced apart by less than 0.5 mm, in particular by less than 0.3 mm, and in particular by a maximum of 0.1 mm; preferably, the thread sections formed by them are directly adjacent to one another. The threaded elements form the thread section they create with their thread segment.By spacing the thread elements along the longitudinal axis as little as possible, and in particular by spacing the thread sections they form along the longitudinal axis as little as possible, the thread can be screwed into a corresponding mating thread with exceptional uniformity. Preferably, the thread sections of the adjacent thread elements are directly adjacent to each other or are separated only by a gap, so that no additional element is provided between the thread sections of the adjacent thread elements, which particularly favors the formation of a thread that can be screwed into a mating thread with exceptional uniformity.

[0007] In one embodiment, the thread section formed by the respective thread element in the operating state has a thread flank at at least one of its longitudinal ends that is chamfered and / or has a lower flank height compared to areas of the thread section spaced away from the longitudinal end. Similarly, the thread sections of each thread element preferably form a thread section that has a thread flank at at least one of the longitudinal ends of the respective thread section that is chamfered and / or has a lower flank height compared to the thread flank that the thread has in areas of the thread section spaced away from the longitudinal end. The thread flank refers to a side of the thread on which a mating thread slides when it is screwed into the thread.The flank height refers to the radial extent of the thread flank, extending from the thread root to the end radially opposite the thread root, where the thread root connects two sections of the thread adjacent along the longitudinal axis. The radial direction is perpendicular to the longitudinal axis. By having a more pronounced chamfer at the longitudinal end of the thread flank than in other areas of the thread section or thread, and / or by having a lower flank height, a particularly smooth transition between two thread elements adjacent along the longitudinal axis can be ensured. Preferably, the area used for comparison is such an area, which is separated from the two opposite longitudinal ends of the thread section or thread.The thread section is spaced 30% apart along its total longitudinal length, so that this area represents a central region relative to the longitudinal axis. Preferably, the thread flank at both longitudinal ends is more chamfered than in the aforementioned area and / or has a lower flank height at both longitudinal ends than in the aforementioned area. Preferably, two adjacent thread elements, in the operating state, abut each other with such longitudinal ends where the thread flank is chamfered as described or has a lower flank height.

[0008] In one embodiment, the mounting sections of the threaded elements arranged one behind the other each abut a corresponding section of another of the threaded elements arranged one behind the other and / or a corresponding section of a connecting element included in the set. For example, the mounting sections of the threaded elements arranged one behind the other can each abut a corresponding section of a corresponding section of another of the threaded elements arranged one behind the other, in particular the corresponding section of the threaded element adjacent along the longitudinal axis, and a corresponding section of a corresponding section of the connecting element. In one embodiment, the corresponding section of the other threaded element can be formed by the mounting section of the other threaded element, for example, as a partial section of the mounting section of the other threaded element.Preferably, the mounting section and the mating section of the other threaded element or the connecting element are positively engaged, wherein the positive engagement is designed in such a way that relative movement of the threaded elements arranged one behind the other is prevented perpendicular to the longitudinal axis, and wherein, in particular, relative movement of the threaded elements arranged one behind the other is also prevented in at least one direction along the longitudinal axis, and especially in both directions pointing away from each other along the longitudinal axis. Preferably, the positive engagement is designed such that the threaded elements arranged one behind the other are prevented by the positive engagement from rotating relative to each other with respect to a rotation about the longitudinal axis.The positive locking mechanism can thus provide anti-rotation protection, which is generally advantageous for the realization of the threaded component and its thread designed for screwing with a mating threaded component.

[0009] Preferably, the set includes a connecting element that connects at least two of the threaded elements arranged one behind the other along the longitudinal axis, and in particular all threaded elements of the threaded component, to each other in the operating state of the set. In one embodiment, the connecting element is designed as a housing element in which several of the threaded elements are arranged one behind the other in the operating state. The housing element can be designed as a single piece or in multiple parts. The housing element defines an interior space in which the threaded elements are arranged. The threaded elements are held on the housing element on a side facing the interior space. In one embodiment, the connecting element is designed as a core element that is arranged within several of the threaded elements in the operating state and extends through them.In the embodiment of the set comprising a connecting element designed as a core element, the threaded elements arranged one behind the other along the longitudinal axis thus have a through-passage through which the connecting element or core element extends, or the threaded elements are arranged on an outer side of the connecting element or core element and, in particular, fixed thereto. For example, the threaded elements can be radially inserted onto or into the connecting element. In one embodiment, the multiple threaded elements, by which the threaded component is formed in the operating state, are secured against rotation about the longitudinal axis with their mounting sections on the connecting element in the operating state.

[0010] Thus, in an advantageous embodiment, the interaction of the assembly sections with the connecting element alone ensures that the threaded elements are prevented from rotating relative to each other, with respect to a rotation about the longitudinal axis.

[0011] In one embodiment, the connecting element is made of a stiffer material than the threaded elements. Preferably, the connecting element has a higher modulus of elasticity than the threaded elements. The connecting element can thus advantageously contribute to a more robust design of the threaded component. Preferably, the threaded elements are each made of a plastic, in particular a sliding material. More generally, the sliding material is preferably a tribologically optimized plastic. For example, polymers can be used to realize a tribologically optimized plastic; for example, the thermoplastics polyethylene, polypropylene, polyacetal, polycarbonate, polyamide, polyvinyl chloride, polytetrafluoroethylene, and, in the case of thermosets, phenolic resins can be used.To further reduce friction, these plastics can contain lubricants, in particular fine-particle solid lubricants, such as polymeric solid lubricants, waxes, molybdenum disulfide, or graphite. Such lubricant-containing polymers are also referred to as tribopolymers. Preferably, the connecting element is made of a metal or a stiffer plastic than the threaded elements. Thus, preferably, the connecting element is made of a plastic that has a higher modulus of elasticity than the plastic from which the threaded elements are made. In one embodiment, the threaded elements are locked to the connecting element in the operating state, in particular, detachably locked.Preferably, the threaded elements are interlocked with the connecting element along a detent direction that is perpendicular to the longitudinal direction with at least one component, so that the threaded elements can be locked to the connecting element by moving them towards the connecting element along the detent direction. Preferably, the detent direction is radial. In one embodiment, the connecting element has several sub-elements that are detachably connected to one another in the operating state. Preferably, the sub-elements are detachably interlocked to one another in the operating state. Providing several sub-elements has proven particularly advantageous in the realization of a connecting element designed as a housing element.In such an embodiment, for example, the threaded elements can be attached to the inside of the connecting element particularly easily, and in particular snapped into place with it, as long as the sub-elements are separated from each other, after which, for example, the sub-elements on which the threaded elements are already fixed can then be connected to each other to realize the operating state of the set.

[0012] In one embodiment, a plurality of threaded elements form a group of threaded elements which, in the operating state, are arranged side by side perpendicular to the longitudinal axis and together form a thread section that circumferentially surrounds the longitudinal axis. Each threaded element of the group thus forms an angular region of the circumferential thread section with its thread section. Preferably, the threaded elements of the group each extend over the same longitudinal section along the longitudinal axis, together forming the thread section in this longitudinal section. Preferably, in the operating state, several groups, in particular at least two groups, and in particular at least three groups, are arranged one behind the other along the longitudinal axis, forming the thread section of the thread of the threaded component that circumferentially surrounds the longitudinal axis.In one embodiment of the set, an alternative operating state to the one described above is provided with a short-threaded component that has only one group of threaded elements, such that multiple threaded elements are not arranged one behind the other along the longitudinal axis. The threaded elements of the group, arranged side by side perpendicular to the longitudinal axis, are preferably arranged side by side with respect to rotation about the longitudinal axis, with each thread segment forming an angular portion of the thread section rotating about the longitudinal axis that is an integer divisor of 360°. The group of threaded elements preferably consists of two, three, four, five, or six threaded elements. Preferably, all threaded elements of the group are identical. Preferably, all groups of threaded elements encompassed by the threaded component realized in the operating state are identical.Generally, all threaded elements encompassed by the threaded component realized in the operating state are preferably designed identically.

[0013] In one embodiment, the set comprises several different connecting elements that have the same cross-section but differ in their longitudinal length. In this embodiment, the set is configured to create different threaded components, each comprising a different connecting element and differing in the number of threaded elements arranged sequentially along the longitudinal axis. The different threaded components are each realized by the set being in a specific operating state associated with that particular threaded component. Each of the different threaded components can have features as described herein in connection with a specific threaded component realized in a particular operating state.Preferably, each of the different threaded components has a thread of a defined longitudinal extent length, wherein the longitudinal extent length of the thread of each threaded component is an integer multiple of the longitudinal extent length of the thread section of one of the threaded elements of the set.

[0014] In one embodiment, the mounting section of each threaded element forms a projection which, in the operating state, is received by a corresponding receptacle of an adjacent threaded element or a connecting element. Preferably, the projection is received in the corresponding receptacle in the operating state, ensuring a locking and / or clamping of the projection in the receptacle.

[0015] In one embodiment, the mounting section of each threaded element has a projecting section and, offset along the longitudinal axis, a receiving section. The projecting section can form the described projection of the respective threaded element, and the receiving section can form the described receptacle of the respective threaded element. In one embodiment, of any two threaded elements arranged one behind the other along the longitudinal axis that are adjacent in the operating state, the projecting section of one threaded element is located in the receiving section of the other threaded element, with the two threaded elements being considered adjacent along the longitudinal axis. The interlocking of the projecting section and the receiving section of the adjacent threaded elements ensures a particularly direct and thus particularly rigid connection between the adjacent threaded elements.Preferably, the projection is designed as a longitudinal projection, extending beyond adjacent areas of the threaded element with respect to its extent along the longitudinal axis, and the receiving section is correspondingly designed as a recess provided along the longitudinal axis. Preferably, the receiving section and the projection section are secured against relative rotation about the longitudinal axis by a positive locking mechanism they form with each other. In one embodiment, the adjacent threaded elements abut each other with their end regions facing each other, with the projection section of one of the adjacent threaded elements extending from the end region of that threaded element into the receiving section of the other adjacent threaded element, the receiving section having a greater longitudinal extent than the projection section.Thus, the adjacent threaded elements are abutting each other with their end regions along one direction of the longitudinal axis, whereas the receiving section extends along the longitudinal axis beyond the projecting section, creating a gap between a longitudinal end of the projecting section facing away from the aforementioned end region of one threaded element and a longitudinal end of the receiving section of the other threaded element opposite this longitudinal end along the longitudinal axis. This gap effectively prevents over-tightening.This ensures that the adjacent threaded elements reliably abut each other with their end regions, preferably forming a section of the thread of the threaded component with their end regions, whereas the distance provided between the opposite ends of the receiving section and the projection section prevents the projection section and receiving section from being in contact with each other, resulting in a merely spaced-apart arrangement of the end regions of the adjacent threaded elements.

[0016] In one embodiment, each threaded element has a through-passage extending along the longitudinal axis, thus covering the projecting section and the receiving section. In the operating state, the connecting element rests against the projecting sections of the adjacent threaded elements. Preferably, at least over a longitudinal section within which the connecting element is arranged within the projecting section of one threaded element, the connecting element is radially spaced from the receiving section of the other threaded element by the projecting section of one threaded element.Thus, the projecting section of one threaded element can be arranged within the receiving section of the other threaded element in a specific longitudinal segment along the longitudinal axis, with the connecting element being arranged within the projecting section of the first threaded element in the same longitudinal segment. This results in a radially successive arrangement of the connecting element, projecting section, and receiving section, extending radially outward from the longitudinal axis. This ensures a particularly robust design of the threaded component. Preferably, the feedthrough has a cross-section that is asymmetrical with respect to rotation about the longitudinal axis, at least in the area of ​​the projecting section of the respective threaded element. Preferably, the feedthrough has a polygonal cross-section, in particular a rectangular cross-section, and especially a square cross-section.Preferably, the connecting element has a cross-section corresponding to that of the feedthrough, i.e., with analogous geometric properties. Preferably, in the operating state, the connecting element rests against the inner surface of the threaded element forming the feedthrough, circumferentially around its longitudinal axis. By appropriately designing the cross-section of the feedthrough or the connecting element, or by ensuring the connecting element rests against the inner surface forming the feedthrough, a particularly reliable anti-rotation feature can be guaranteed.

[0017] In one embodiment, the mounting section and the threaded section of the threaded elements extend within the same longitudinal segment, being spaced apart from each other with respect to a radial direction perpendicular to the longitudinal axis. By having the mounting section and the threaded section extend within the same longitudinal segment, a particularly robust connection between threaded elements adjacent to each other along the longitudinal axis can be ensured, while simultaneously stabilizing the thread of the threaded component formed jointly by the threaded elements.

[0018] In one embodiment, the set comprises a mating thread component that has a corresponding mating thread. In one embodiment, the threaded component is designed as a nut and the mating thread component as a spindle. In another embodiment, the threaded component is designed as a spindle and the mating thread component as a nut. Preferably, the mating thread has a longitudinal extension that is at least three times, in particular at least four times, and in particular at least six times, the thread flank distance of the thread of the threaded component. The thread flank distance is the distance along the longitudinal axis between two adjacent sections of the thread that are separated from each other by a thread root.By having a correspondingly long mating thread on the mating thread component, it can be ensured particularly reliably that, when screwing the mating thread component to the threaded component, the smallest possible relative force is applied between the adjacent threaded elements along the longitudinal axis via the transition between two threaded elements of the threaded component adjacent along the longitudinal axis.

[0019] As a solution to the problem underlying the present invention, the invention proposes a threaded component that is configured in the operating state of a set according to the invention. In one embodiment, the invention relates to a nut that is configured in the operating state of a set according to the invention. In another embodiment, the invention relates to a spindle that is configured in the operating state of a set according to the invention.

[0020] As a solution to the problem underlying the invention, the invention proposes a threaded component set comprising several different spindles or several different nuts. The several different spindles or nuts of the threaded component set are each manufactured by a set according to the invention, wherein the different spindles or nuts differ in the longitudinal length of their continuous thread and in the number of threaded elements arranged one behind the other along the longitudinal axis. Preferably, the threads of the different spindles or nuts each have a longitudinal length that is a different integer multiple of a base thread length.

[0021] As a solution to the problem underlying the present invention, the invention proposes a linear sliding bearing comprising a slide and a rail as well as a threaded component, wherein the threaded component is a threaded component according to the invention or is such a threaded component that is implemented in an operating state of a set according to the invention. The rail of the linear sliding bearing has at least one guide section, and the slide has at least one guide receptacle corresponding to the guide section. In an operating state of the linear sliding bearing, the guide section is received in the guide receptacle, defining a position of the slide relative to the rail perpendicular to a longitudinal direction and ensuring that the slide can be displaced relative to the rail along the longitudinal direction.In the operating state of the linear slide bearing, the carriage can be moved along the longitudinal direction of the rail, sliding relative to the rail, while being guided by the rail and thus fixed in its position perpendicular to the longitudinal direction relative to the rail. The linear slide bearing has a spindle with a spindle thread and a nut provided on the carriage with a nut thread corresponding to the spindle thread. In the operating state of the linear slide bearing, the spindle is arranged in the nut, whereby the carriage can be moved along the longitudinal direction by rotating the spindle about the longitudinal direction relative to the rail. The spindle and nut are thus the drive elements of the linear slide bearing. By actuating the spindle, i.e., by rotating the spindle about the longitudinal direction, the carriage can be driven to move relative to the rail along the longitudinal direction. One of the drive elements, i.e.,One of the drive elements, consisting of a spindle and nut, is designed as a threaded component, which is implemented in the operating state of one set according to the invention. Particularly preferably, the other drive element, i.e., the other spindle and nut, is designed as a threaded component, which is implemented in an operating state of another set according to the invention. Each of the sets according to the invention can have features that are described here in connection with exemplary embodiments of one set according to the invention. While one of the sets relates to the design of a threaded component configured as a spindle, the other set relates to the design of a threaded component configured as a nut.Preferably, the rail has a longitudinal length that is at least four times, in particular at least five times, in particular at least ten times, in particular at least fifteen times, in particular at least twenty times, the longitudinal length of the slide. Preferably, a sliding element is arranged in the guide receptacle and between it and the guide section during operation, so that sliding friction between the rail and the slide is reduced during movement along the longitudinal direction, wherein the sliding element is preferably made of a sliding material.

[0022] As a solution to the problem underlying the present invention, the invention proposes the use of a set according to the invention for the realization of a specific threaded component. In the use according to the invention, several threaded components are arranged one behind the other along a longitudinal axis and connected to each other by means of their assembly sections. For example, as explained above with regard to embodiments of a set according to the invention, the threaded components can be connected directly to each other and / or connected to each other by means of a connecting element, wherein their assembly sections interact accordingly with each other and / or with the connecting element.

[0023] The various embodiments of the different solutions according to the invention described herein can be combined particularly advantageously. In particular, embodiments of a specific solution may have features that are apparent to a person skilled in the art from the present description of embodiments of another solution of the present invention. Furthermore, embodiments of a solution according to the invention may have features that are described herein in connection with solutions known from the prior art.

[0024] The invention is explained in more detail below with reference to nine figures and exemplary embodiments.

[0025] They show: Fig. 1: in a schematic diagram, a section of an embodiment of a threaded component according to the invention; Fig. 2: in various schematic representations of principle a threaded element of an embodiment of a set according to the invention; Fig. 3: in a schematic representation of principle an embodiment of a threaded component according to the invention; Fig. 4: in a schematic principle diagram, a sectional view of the threaded component according to Fig. 3; Fig. 5: in a schematic representation of principle a section of an embodiment of a threaded component according to the invention; Fig. 6: in a schematic representation of principle a threaded element of an embodiment of a threaded component according to the invention; Fig. 7: in a schematic diagram, a connecting element of an embodiment of a set according to the invention; Fig. 8: in a schematic diagram, a connecting element of an embodiment of a set according to the invention; Fig. 9: A schematic representation of an embodiment of a linear sliding bearing.

[0026] In Fig. Figure 1 shows a simplified schematic diagram of a section of an embodiment of a threaded component 100 according to the invention, which is configured here as a spindle. The threaded component 100 is manufactured using an embodiment of a set according to the invention and comprises exclusively those components that are included in the set according to the invention, which is generally advantageous according to the invention. The embodiment of the threaded component 100 described here has three threaded elements 1 and a connecting element 4, which is configured as a core element. The threaded elements 1 are each identical and are configured in Fig. 2 comprehensive the Fig. 2a and Fig. 2b is shown in more detail for explanatory purposes. While in Fig. 2a shows a perspective view of a threaded element 1, is in Fig. Figure 2b shows a sectional view. Each of the threaded elements 1 has a threaded section 11 and a mounting section 12. The mounting section 12 comprises a projection section 120 and a receiving section 110. The projection section 120 extends, with respect to the longitudinal axis of the respective threaded element 1, which is identical to the longitudinal axis of the threaded component 100 in the operating state, outside the extent of the threaded section 11 of the respective threaded element 1, whereas the receiving section 110 extends within the same longitudinal extent along the longitudinal axis over which the threaded section 11 extends, the receiving section 110 being radially spaced from the threaded section 11.The projection section 120 and the receiving section 110 of the assembly section 12 of each threaded element 1 are designed to correspond to each other in such a way that two identically designed threaded elements 1 along the longitudinal axis, as in . Fig. As shown in a representation of the operating state of an embodiment of a set according to the invention or in a representation of a threaded component 100, the threaded elements can be arranged one behind the other in such a way that the projecting section of one of the two threaded elements arranged adjacent to one another along the longitudinal axis is located in the receiving section of the other threaded element. The cross-section of the receiving section 110 and the cross-section of the projecting section 120 are designed to correspond to each other in such a way that the interlocking arrangement present in the operating state of the set or in the realized threaded component 100 ensures that two threaded elements 1 arranged one behind the other are secured against rotation about the longitudinal axis.Projecting section 120 and receiving section 110 form a continuous passage that extends along the longitudinal axis through the entire threaded element 1. In the operating state of the set, or in the realized threaded component 100, a connecting element 4, designed as a core element, is arranged in the passages of all threaded elements 1 and thus extends through all threaded elements 1. In this case, the connecting element 4 is made of metal, whereas the threaded elements 1 are made of plastic. The connecting element 4 thus ensures a particularly high rigidity of the threaded component 100.The connecting element 4 and the through-passage through the threaded element 1 each have a square cross-section, so that the arrangement of the connecting element 4 in the through-passages of all threaded elements 1 ensures particularly good anti-rotation protection of the threaded elements 1 relative to each other.

[0027] Out of Fig. As can be seen from Figure 1, the threaded elements 1 together with their threaded sections form the thread of the threaded component, which is generally advantageous according to the invention. Due to the projecting section 120 of the outermost threaded element 1 with respect to the longitudinal axis, the square cross-section, which is generally preferably asymmetrical with respect to rotation about the longitudinal axis, enables a particularly good connection of a drive to the threaded component 100, which is generally advantageous according to the invention. In one embodiment, the invention generally relates to an arrangement comprising a threaded component 100 designed as a spindle and a drive motor, wherein the drive motor is rotationally fixed to the mounting section, in particular the projecting section, of the outermost threaded element 1 of the threaded component 100 with respect to the longitudinal axis for driving the threaded component 100 to perform a rotation about the longitudinal axis.According to one embodiment of the invention, the invention proposes a linear sliding bearing comprising such an arrangement. From the overall view of the... Fig. 1 and Fig. Figure 2 further shows that two threaded elements 1 adjacent to each other along the longitudinal axis, with their end regions facing each other, are in contact. The threaded section of each threaded element extends to the end region of the respective threaded element, so that the threaded elements form a continuous thread of the threaded component 100. To ensure that a corresponding mating threaded component can be screwed onto the threaded component 100 particularly easily, each threaded element 1 has such a threaded section whose thread flank at both longitudinal ends is more chamfered or has a lower flank height compared to areas spaced apart from the longitudinal ends. This effectively reduces jamming of a mating threaded component when screwing it onto the threaded component 100.Preferably, adjacent threaded elements 1 along the longitudinal axis are positioned such that, forming the continuous thread of the threaded component 100, the distance between the thread ends of the two adjacent threaded elements 1 facing each other along the longitudinal axis is greater, at least over a radial section, than the distance between two sections of the thread adjacent along the longitudinal axis within a central region of the thread section of each threaded element 1. The chamfered design of the thread flank and the provision of an increased distance can particularly facilitate the uniform screwing on of a corresponding mating threaded component over the entire longitudinal length of the continuous thread of the threaded component 100.

[0028] In Fig. Figure 3 shows a further embodiment of a threaded component 200 according to the invention in a simplified schematic representation. The threaded component 200 according to Fig. 3 is designed as a nut. The threaded component 200 according to Fig. 3 is in Fig. 3 shown in a perspective view, in Fig. 4 in a sectional view. The threaded component 200 has a connecting element 3 designed as a housing element and eight threaded elements 2. The threaded elements 2 are identical. For illustrative purposes, one of the threaded elements 2 is shown in Fig. 6 shown. Fig. 5 is a starting point from the one in the Fig. 3 and Fig. Figure 4 shows a specially further developed embodiment of a threaded component according to the invention, schematically illustrated in sections.

[0029] The threaded component 200, which is in the Fig. 3 and Fig. Figure 4 shows two groups of threaded elements 2, each group comprising four threaded elements 2. The threaded elements 2 of a group of threaded elements 2 are, in the operating state of an embodiment of a set according to the invention or in the case described in the Fig. 3 and Fig. In the exemplary embodiment of a threaded component 200 shown in Figure 4, the threaded elements 2 are arranged side by side perpendicular to the longitudinal axis, and in the present embodiment, they are arranged side by side with respect to rotation about the longitudinal axis. Together, they form a thread section of the thread of the threaded component 200 that rotates around the longitudinal axis. The two groups of threaded elements 2 encompassed by the threaded component 200 are arranged one behind the other along the longitudinal axis, such that two threaded elements 2 are arranged one behind the other along the longitudinal axis. The threaded elements 2 each have a projection 21, which is arranged in a corresponding receptacle 321 of the connecting element 3, which is designed as a housing element. In addition, the threaded elements 2 are each locked to the connecting element 3, as shown in particular in Figure 4. Fig. 3 can be seen. In this case, the connecting element 3 is made of a harder or stiffer plastic than the threaded elements 2. By snapping the threaded elements 2 with the connecting element 3 and arranging their projections 21 in the receptacles 321, the threaded elements 2 are each reliably and independently fixed to an inner surface of the connecting element 3. A slot extending along the longitudinal axis is provided between each pair of threaded elements 2 of a group, which generally simplifies the manufacture of the threaded component 200 and is generally advantageous according to the invention. Fig. Figure 4 shows that the groups of threaded elements 2 are in direct contact with each other along the longitudinal axis, so that two threaded elements 2 arranged one behind the other along the longitudinal axis are in direct contact with each other. In the embodiment shown here, the threaded elements 2 are made of a sliding material, in this case a tribopolymer, which reduces sliding friction between a corresponding mating threaded component and the threaded component 200 as much as possible.

[0030] At the in Fig. In the embodiment shown in section 5, the connecting element 3 has two sub-elements, a first sub-element 31 of which is in Fig. Figure 5 is shown. The sub-element 31 has retaining projections 310 and retaining receptacles 311, and the corresponding sub-element has corresponding retaining projections 310 and retaining receptacles 311. In the present and generally advantageous embodiment according to the invention, the two sub-elements 31 of the threaded component 200 are identically designed, which significantly reduces manufacturing costs. The retaining projections 310 and the retaining receptacles 311 allow the sub-elements 31 to be fixed to one another with particular reliability. In the present embodiment, the retaining projections 310 are clamped together in the operating state of the set or in the realized threaded component 200 by being clamped in the retaining receptacles 311. The threaded elements 2 of the embodiment according to Fig. 5 are identical to the threaded elements 2 of the in the Fig. 3 and Fig. 4 illustrated embodiments, and the fixing of the threaded elements 2 is designed according to the embodiment shown. Fig. 5 corresponding to the explained fixing in the embodiment according to the Fig. 3 and Fig. 4 are planned.

[0031] In the Fig. 7 and Fig. Figure 8 shows two different connecting elements 3 of an embodiment of a set according to the invention, which have the same cross-section but differ in their longitudinal extension length. While the one in Fig. Since the connecting element 3 shown in Figure 7 is designed solely to accommodate exactly four threaded elements 2, the connecting element 3 is designed according to Figure 7. Fig. 8 designed to accommodate exactly eight threaded elements 2. The threaded elements 2 can be, for example, as shown in Fig. Figure 6 shows the following configuration. Due to the identical cross-section, the same threaded elements 2 can be used in conjunction with the two different connecting elements 3 to create a threaded component. When four threaded elements 2 are arranged in the connecting element 3, forming a group of threaded elements, a short-threaded component is created, whereas when eight threaded elements 2 are arranged in the connecting element 3 according to Figure 6, the following configuration is formed: Fig. 8 a threaded component is formed whose thread has twice the longitudinal extension length of the thread of the short threaded component.

[0032] In Fig. Figure 9 shows a simplified schematic representation of an embodiment of a linear sliding bearing, illustrating its basic principle. The linear sliding bearing has a slide 6 which, in the operating state, is guided linearly displaceable along a rail in a longitudinal direction and is fixed in its position relative to the rail perpendicular to the longitudinal direction by arranging two guide sections 5 of the rail in guide receptacles of the slide 6, each corresponding to a guide section 5. Advantageously, in this case, the guide sections 5 can be fixed to a substrate by means of two mounting blocks 7.A nut 9 is provided on the slide 6, in the thread of which a spindle 9 with its spindle thread is arranged during the operating state of the linear sliding bearing, so that the slide 6 can be set in motion relative to the rail purely by turning the spindle 8, without the spindle 8 being moved translationally along the longitudinal direction. The spindle 8 and nut 9 are thus the drive elements of the linear sliding bearing. A linear sliding bearing according to the invention can, in principle, be analogous to the linear sliding bearing according to [reference to relevant document]. Fig. 9 shall be designed, wherein at least one of the drive elements is designed as a threaded component according to the invention. Reference symbol list 1 threaded element 2 threaded element 3 Connecting element 4 Connecting element 5. Guided Section 6 sleds 7 Mounting block 8 spindles 9 Mother 11 Thread section 12 Assembly section 21 lead 31 Sub-element 100 threaded components 110 Recording section 120 lead section 200 threaded component 310 holding lead 311 Holding device 321 recording

Claims

[1] Set for realizing a threaded component (100, 200) designed as a spindle or as a nut and which can be used in particular as a drive element in a linear sliding bearing, the set comprising several threaded elements (1, 2) each having a threaded section (11) and a mounting section (12), characterized by , that in an operating state of the set in which a specific threaded component (100, 200) is formed by the set, several of the threaded elements (1, 2) are arranged one behind the other along a longitudinal axis and are fixed to one another by means of their mounting sections (12), wherein each of the threaded elements (1, 2) arranged one behind the other forms with its thread section (11) a section of a thread of a continuous thread of the threaded component (100, 200), wherein the continuous thread can be screwed to a corresponding counter-threaded component over its longitudinal extent and its thread runs around the longitudinal axis. [2] Set according to claim 1, characterized by , that each pair of adjacent threaded elements (1, 2) arranged one behind the other are spaced apart from each other by less than 0.5 mm along the longitudinal axis, in particular abutting directly against each other, wherein in particular the sections of the thread formed by them are spaced apart from each other by less than 0.5 mm, in particular abutting directly against each other, wherein in particular the section of the thread formed by the respective threaded element (1, 2) has at least one of its longitudinal ends a thread flank which is more chamfered and / or has a lower flank height compared to areas of the section of the thread spaced apart from the longitudinal end. [3] Set according to any of the preceding claims, characterized by, that in the operating state the assembly sections (12) of the threaded elements (1, 2) arranged one behind the other each bear against a counter section of another of the threaded elements (1, 2) arranged one behind the other and / or against a counter section of a connecting element (3, 4) comprising the set, connecting at least two of the threaded elements (1, 2) arranged one behind the other, in particular bear against a positive locking, wherein in particular the positive locking prevents a relative movement of the threaded elements (1, 2) arranged one behind the other perpendicular to the longitudinal axis and in particular also prevents a relative movement of the threaded elements (1, 2) arranged one behind the other along the longitudinal axis. [4] Set according to claim 3, characterized by, that the set comprises the connecting element (3, 4), wherein the connecting element (3, 4) is designed as a housing element in which several of the threaded elements (1, 2) are arranged one behind the other in the operating state, or is designed as a core element which is arranged within several of the threaded elements (1, 2) in the operating state and extends through them, wherein in particular the several threaded elements (1, 2) are secured against rotation about the longitudinal axis with their mounting sections (12) on the connecting element (3, 4). [5] Set according to claim 4, characterized by, that the connecting element (3, 4) is made of a stiffer material than the threaded elements (1, 2), wherein in particular the threaded elements (1, 2) are made of a plastic, in particular of a sliding material, and the connecting element (3, 4) is made of a metal or a stiffer plastic than the threaded elements (1, 2). [6] Set according to one of claims 4 or 5, characterized by , that the threaded elements (1, 2) are locked to the connecting element (3, 4) in the operating state, in particular along a locking direction which runs perpendicular to the longitudinal axis with at least one component. [7] Set according to any one of claims 4 to 6, characterized by , that the connecting element (3, 4) has several sub-elements which are detachably connected to each other in the operating state, in particular which are locked together. [8] Set according to any one of claims 4 to 7, characterized by, that a plurality of the thread elements (1, 2) each form a group of thread elements (1, 2) which are arranged next to each other perpendicular to the longitudinal axis in the operating state and together form a thread section circumferential around the longitudinal axis, wherein in the operating state several groups are arranged one behind the other along the longitudinal axis forming the thread section circumferential around the longitudinal axis of the thread of the threaded component (100, 200), wherein in particular in an alternative operating state a short thread component is formed which has only one group of thread elements (1, 2). [9] Set according to any of the preceding claims, characterized by, that the set comprises several different connecting elements (3, 4) which have the same cross-section and differ in their longitudinal extension length, wherein the set is designed to realize different threaded components (100, 200) which each comprise a different connecting element (3, 4) and which differ in the number of threaded elements (1, 2) arranged one behind the other along the longitudinal axis. [10] Set according to any of the preceding claims, characterized by , that the assembly section (12) of each threaded element (1, 2) forms a projection which, in the operating state, is received in a receptacle corresponding to the projection of an adjacent threaded element (1, 2) or a connecting element (3, 4). [11] Set according to any of the preceding claims, characterized by, that the assembly section (12) of each threaded element (1, 2) has a projection section (120) and, offset along the longitudinal axis to this, a receiving section (110), wherein of two threaded elements (1, 2) arranged one behind the other that are adjacent in the operating state, the projection section (120) of one threaded element (1, 2) is arranged in the receiving section (110) of the other threaded element (1, 2), wherein in particular the receiving section (110) and the projection section (120) are secured against relative rotation to each other about the longitudinal axis by a positive locking mechanism. [12] Set according to claim 11, characterized by, that the adjacent threaded elements (1, 2) abut each other with their end regions facing each other, wherein the projecting section (120) of one of the adjacent threaded elements (1, 2) extends from the end region of one threaded element (1, 2) into the receiving section (110) of the other of the adjacent threaded elements (1, 2), wherein the receiving section (110) has a greater longitudinal extent than the projecting section (120), so that a distance is provided between a longitudinal end of the projecting section (120) facing away from the end region of one threaded element (1, 2) and a longitudinal end of the receiving section (110) of the other threaded element (1, 2) opposite it along the longitudinal axis. [13] Set according to one of claims 11 or 12 and claim 3, characterized by, that each of the threaded elements (1, 2) has a through-passage along the longitudinal axis, which thus extends along the longitudinal axis over the projection section (120) and the receiving section (110), wherein the connecting element (3, 4) bears against the projection sections (120) of the adjacent threaded elements (1, 2) in the operating state and in particular the connecting element (3, 4) is radially spaced from the receiving section (110) of the other threaded element (1, 2) by the projection section (120) of one threaded element (1, 2), wherein in particular the through-passage has at least in the region of the projection section (120) of the respective threaded element (1, 2) an asymmetrical cross-section with respect to a rotation about the longitudinal axis, in particular a polygonal cross-section, in particular a rectangular, in particular a square, cross-section. [14] Set according to any of the preceding claims, characterized by, that the assembly section (12) and the threaded section (11) of the threaded elements (1, 2) extend within the same longitudinal section and are spaced apart from each other with respect to a radial direction perpendicular to the longitudinal axis. [15] Set according to any of the preceding claims, characterized by , that the set includes the mating thread component, wherein the mating thread has a longitudinal extension length that is at least 3 times, in particular at least 4 times, in particular at least 6 times, a thread flank distance of the thread pitch of the thread component (100, 200). [16] Threaded component (100, 200) which is configured in the operating state of a set according to one of the preceding claims, wherein the threaded component (100, 200) is configured as a spindle or as a nut. [17] Threaded component set comprising several different spindles or several different nuts, each of which is produced by a set according to one of claims 1 to 15, wherein the different spindles or nuts differ in the longitudinal extension length of their continuous thread and in the number of threaded elements (1, 2) arranged one behind the other along the longitudinal axis. [18] Linear sliding bearing comprising a slide (6) and a rail, wherein the rail has at least one guide section (5) and the slide (6) has at least one guide receptacle for the guide section (5), wherein in an operating state of the linear sliding bearing the guide section (5) is received in the guide receptacle, defining a position of the slide (6) relative to the rail perpendicular to a longitudinal direction and ensuring that the slide is displaceable relative to the rail along the longitudinal direction, wherein the linear sliding bearing further comprises a spindle (8) with a spindle thread and a nut (9) provided on the slide with a nut thread corresponding to the spindle thread, wherein in the operating state of the linear sliding bearing the spindle (8) is arranged in the nut (9) and the slide (6) is movable along the longitudinal direction relative to the rail by rotation of the spindle (8),wherein one of the spindle and nut is designed as a threaded component (100, 200) which is realized in an operating state of a set which is designed according to one of claims 1 to 15, wherein in particular the other of the spindle and nut is designed as a threaded component (100, 200) which is realized in an operating state of another set which is designed according to one of claims 1 to 15. [19] Use of a set according to one of claims 1 to 15 for the realization of a specific threaded component (100, 200), wherein several threaded components (100, 200) are arranged one behind the other along a longitudinal axis and are connected to each other by means of their mounting sections (12).

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