Split flange bearing

Abstract

A bearing (100, 400) comprising a bearing housing and a bearing core arranged in the bearing housing, which bearing core has a receptacle (210) designed as a passage extending through the bearing core along a bearing axis (X), wherein the bearing core has a radial outer surface (24) with which it bears against a corresponding inner surface (14, 44) of the bearing housing, wherein the inner surface (14, 44) of the bearing housing and the outer surface (24) of the bearing core engage radially and axially behind each other to determine a radial and axial position of the bearing core relative to the bearing housing, wherein the bearing housing has a flange (15, 45) arranged radially outside the receptacle (210), in which at least one mounting passage (13, 43) is provided, through which a fastening means provided for mounting the bearing (100, 400) can be passed, characterized in that the bearing housing has a plurality of housing elements (1, 4) and the bearing core has a plurality of core elements (2), wherein the core elements (2) together form the receptacle (210) and the housing elements (1, 4) together form the assembly passage, wherein the housing elements (1, 4) overlap over a radial section and the assembly passage (13, 43) is arranged within the radial section.

Description

[0001] The invention relates to a bearing according to the preamble of claim 1 as well as a set for realizing such a bearing and a use of such a set for realizing such a bearing.

[0002] A generic bearing comprises a bearing housing and a bearing core arranged within the bearing housing. Typically, the bearing housing encloses the bearing core circumferentially around a bearing axis, so that the bearing core is held in a fixed radial position relative to the bearing housing. Furthermore, the bearing core and bearing housing engage behind each other along the bearing axis, so that the bearing core is positioned in a fixed axial position relative to the bearing housing. In some embodiments, the bearing core can be supported by the bearing housing in a radial or axial direction.axial position range relative to the bearing housing or its position relative to the bearing housing must be fixed in such a way that, starting from the intended operating state of the bearing, in which it is positioned in a fixed radial and axial position relative to the bearing housing, it cannot perform any translational movement in the radial or axial direction relative to the bearing housing, but at most a rotational movement. It should be noted here that the term "axial" or "axial directions" describes a direction parallel to the bearing axis, whereas the term "radial" or "radial direction" describes any direction perpendicular to the bearing axis. The bearing axis is clearly defined with reference to the bearing core.When referring to the bearing axis in definitions of further components of the bearing and when the bearing core can be rotated relative to the bearing housing about an axis of rotation running perpendicular to the bearing axis, the reference applies with the specification of a defined angle of rotation of 0° about the axis of rotation. The bearing core has a receptacle designed to receive a shaft. Accordingly, the receptacle is designed as a passage running through the bearing core along the bearing axis, so that a shaft can be inserted axially into the passage in such a way that it extends beyond the bearing core on both axial sides of the bearing. When the bearing is in its intended operating state, an inner surface formed by the bearing housing encloses an outer surface formed by the bearing core, so that the bearing core is positioned relative to the bearing housing as explained, with the bearing core defining the receptacle with its inner surface.The bearing housing has a flange radially outside the receptacle and thus radially outside its outer surface surrounding the bearing core, in which at least one, in particular several, mounting holes are provided. A fastening element, for example a screw, can be passed through each mounting hole, so that the bearing can be attached to a counterpart, for example, to a frame or other machine component, using one or more such fastening elements.According to a typical application, a generic bearing is used in a machine arrangement to which the present invention also relates, wherein the machine arrangement comprises a shaft in addition to the bearing, wherein the shaft is arranged in the receptacle of the bearing, wherein its shaft axis runs parallel to the bearing axis and the shaft is rotatably mounted in the receptacle, but is fixed in its radial position by the bearing so that it is secured against radial translation relative to the bearing. In particular, the invention relates to such a machine arrangement, wherein the bearing is arranged in an axial section along the shaft axis, which is concealed at its axial ends by a machine part in each case, so that the respective axial end of the axial section is only accessible after dismantling the machine part or dismantling the shaft from the machine part.In such a machine arrangement, a conventional bearing can therefore only be pulled axially off the shaft after the corresponding disassembly has taken place beforehand. For example, the machine part can be a housing part included in the machine arrangement, for example a housing part to which the bearing is also fastened. For example, the machine part can be a drive included in the machine arrangement, for example a motor such as an electric motor, wherein the drive is intended to drive the shaft to rotate about the shaft axis. The drive is thus connected to the shaft and accordingly delimits an axial section of the shaft, so that the bearing can only be pulled axially over the shaft after corresponding disassembly at the end of the axial section defined by the drive in the operating state.In such an arrangement, the bearing itself is fixed to a corresponding component by means of its flange, so that the shaft is held relative to this component.

[0003] With bearings of this type, particularly in the application described above, there is the problem that the bearing core must be replaced for maintenance purposes. Therefore, efforts are being made to design the bearing housing and bearing core so that they correspond to one another that the bearing core can be removed from the bearing housing and replaced with an identical bearing core. However, it has proven difficult to ensure both robust fixability of the bearing housing and reliable positioning or holding of the bearing core in the bearing housing, as well as easy replaceability of the bearing core, particularly in machine arrangements in which the bearing is arranged in an axial section along the shaft axis that is concealed at its axial ends by a machine part.While this problem generally exists with bearings of this type, it has proven to be particularly problematic with so-called spherical bearings, to which the invention relates in particular, and in which the bearing core is designed in the manner of a spherical cap and thus has a spherical outer surface, so that in order to compensate for alignment tolerances between the shaft axis and the bearing, the bearing core, in the intended operating state of the bearing, is rotatable relative to the bearing housing not only about the bearing axis, but also about an axis of rotation running perpendicular to the bearing axis, at least over a certain angular range, for example in an angular range of at least 5°, in particular at least 10°, in particular at least 15°, in particular by at least 5° and less than 40°, in particular by at least 10° and less than 30°.Especially with such bearings, the robust guidance of the bearing core in the bearing housing and at the same time the guarantee of the removal of the bearing core from the bearing housing, or its interchangeability, is particularly difficult to achieve.

[0004] The present invention is based on the object of providing a bearing or a set for realizing a bearing or a use of a set for realizing a bearing, with which at least one disadvantage of generic bearings, sets or uses is at least partially eliminated.

[0005] As a solution to the problem underlying the present invention, the invention proposes a bearing with the features according to claim 1. The bearing has a bearing housing and a bearing core arranged in the bearing housing. The bearing core has a receptacle which is designed as a passage running through the bearing core along a bearing axis. The bearing core has a radial outer surface with which it rests against a corresponding inner surface of the bearing housing. The inner surface of the bearing housing and the outer surface of the bearing core engage behind each other radially and axially, thereby defining a radial and axial position of the bearing core relative to the bearing housing, such that the bearing core - except for possible play - cannot perform any radial or axial translational movement relative to the bearing housing.The engagement between the inner surface of the bearing housing and the outer surface of the bearing core can be achieved, for example, by providing corresponding projection and recess arrangements of the inner and outer surfaces and / or by designing the outer surface of the bearing core as a spherical surface and by designing the inner surface of the bearing housing as a spherical surface corresponding to the spherical outer surface. Preferably, the bearing housing surrounds the bearing core both axially and radially. The bearing housing has a flange arranged radially outside the receptacle, in which at least one mounting passage is provided, through which a fastening means intended for mounting the bearing can be passed.The mounting bushing thus has a mounting axis that preferably runs parallel to the bearing axis and along which it extends through the flange, so that the fastening means can be inserted from one end of the mounting bushing along the mounting axis through the mounting bushing and can be fastened to a corresponding counterpart at the other end. The fastening means can, for example, be designed as a bolt and / or in the manner of a screw or in the manner of a clamping or locking device.

[0006] The housing has several housing elements, and the bearing core has several core elements. The core elements together form the receptacle, and the housing elements together form the mounting bushing. The housing elements overlap over a radial section, with the mounting bushing located within the radial section. The radial section is an area whose planar extension runs along two mutually perpendicular radial directions, each of which is perpendicular to the bearing axis. The mounting bushing is thus provided outside the receptacle so that the shaft can be inserted into the receptacle, as is usual with bearings of this type, without the mounting bushing hindering this.Furthermore, since the mounting passage is formed jointly by several housing elements, the fastening means used to mount the bearing to a counterpart can ensure that the housing elements are fixed to one another. This is particularly advantageous for easy replacement of the bearing core or easy disassembly of the bearing, as well as for the robust design of the bearing housing. In one embodiment according to the invention, the bearing has exactly two housing elements and exactly two mounting passages, with each of the two mounting passages being formed jointly by both housing elements.In one embodiment, the bearing has exactly two housing elements as well as at least two assembly passages and at least one further assembly passage, wherein the at least two assembly passages are each formed jointly by both housing elements and the at least one further assembly passage is formed by only one of the two housing elements.

[0007] In one embodiment, each of the housing elements encloses a different angular section of the core element. The angular section refers to an angle in relation to a rotation around the bearing axis. Accordingly, each of the housing elements forms a different angular section of the inner surface of the housing bearing. Thus, in the intended operating state of the bearing, in which the bearing core is arranged in the bearing housing and the inner surface of the bearing housing encloses the outer surface of the bearing core, the housing elements are arranged on a different side or across a different angular section on the outer surface of the bearing core. In one embodiment, each of the core elements encloses a different angular section of the receptacle. Each of the core elements thus forms a different angular section of the inner surface of the bearing core, with which the bearing core encloses the receptacle circumferentially around the bearing axis.forms a boundary of the receptacle circumferentially around the bearing axis. In the advantageous embodiments described, for example, the various housing elements can overlap over an overlap angle section, but outside the overlap angle section enclose the bearing core over a different angular section, or alternatively, they can exclusively enclose different angular sections of the core element. Accordingly, it can be provided that the core elements overlap over an overlap angle section and outside the overlap angle section form a different angular section with which they enclose the receptacle, or that the core elements exclusively enclose different angular sections of the receptacle.

[0008] In one embodiment, the housing elements are configured to correspond to one another in such a way that, for the implementation of the bearing and the simultaneous arrangement of a shaft, with its shaft axis aligned along the bearing axis, in the bearing receptacle, they can be arranged on a different radial side of the shaft associated with the respective housing element. Thus, the housing elements are configured such that they can be arranged on a different radial side of the shaft associated with the respective housing element, wherein the bearing is realized during their arrangement on the respectively associated radial sides of the shaft.This offers the particular advantage that the bearing housing, and thus the bearing itself, can be mounted radially from the outside of the shaft and is only realized in this way. This allows the bearing core to be removed from the bearing housing by disassembly. Starting with the bearing's intended operating state, in which a shaft is arranged in the mount, the housing elements are removed radially from the shaft, thereby releasing the bearing core. This allows the bearing core to be replaced without the bearing housing having to be pulled axially off the shaft.Thus, the advantageous embodiment makes it possible for the bearing housing to be removed from the shaft, starting from the intended operating state in which a shaft is arranged in the receptacle and extends axially beyond the bearing on both sides, while the shaft remains in the same axial position range in which it is arranged in the intended operating state, wherein the axial position range has an axial extension length that is less than the axial extension length of the bearing. Particularly preferably, the housing elements are designed to correspond to one another in such a way that, to create the bearing, they can first be arranged on a radial side of the shaft assigned to them, as explained, and then, after the housing elements have been arranged on the radial sides of the shaft, the housing elements can be moved axially relative to one another along the shaft axis.The axial mobility can, for example, be purely translational mobility along the shaft axis or, for example, mobility achieved by rotating the housing elements relative to one another about a rotation axis running perpendicular to the shaft axis, whereby such rotation moves sections of the housing elements axially toward one another. By designing the housing elements so that they can first be brought radially toward the shaft and then axially displaced relative to one another to form the bearing, axial engagement of the housing elements in the realized bearing can be ensured, while at the same time ensuring easy assembly and disassembly of the bearing housing on the shaft.

[0009] In one embodiment, the core elements are designed to correspond to one another in such a way that, in order to realize the bearing and simultaneously arrange the shaft, with its shaft axis aligned along the bearing axis, in the bearing receptacle, they can each be arranged on a different radial side of the shaft assigned to the respective core element. The bearing can thus be realized by arranging both the core elements and the housing element radially from the outside on the shaft. For example, a core element and a housing element can each be assigned to the same radial side of the shaft. In principle, however, it is also possible for the various core elements to be assigned to different radial sides of the shaft than the various housing elements.A key feature of this advantageous embodiment is that the bearing can be realized by moving core elements and housing elements radially from the outside toward the shaft, whereby the arrangement of core elements and housing elements on the radial sides of the shaft simultaneously creates the bearing and the shaft is arranged in the receptacle of the created bearing. By means of the particularly advantageous embodiments described, for example, an electric motor as the drive and another machine component as the output can remain unchanged connected to the shaft, while the bearing is arranged axially between the drive and output on the shaft, as explained, or is dismantled therefrom. In order to create the bearing and simultaneously arrange the shaft, with its shaft axis aligned along the bearing axis, in the bearing receptacle, it is particularly preferred for the housing elements, together with the core elements, to be movable radially toward one another.

[0010] In one embodiment, the bearing has a sleeve that is arranged in the assembly passage, wherein the sleeve has a plurality of sleeve sections offset from one another along their sleeve axes, wherein one of the sleeve sections is enclosed by at least one of the housing elements and another of the sleeve sections is enclosed by at least one other of the housing elements. In one embodiment, a sleeve section is assigned to each of the housing elements, wherein the respective sleeve section is enclosed only by the housing element assigned to it. In one embodiment, at least one sleeve section is enclosed by only one of the housing elements and the other sleeve section is enclosed by a plurality of, in particular by exactly two, housing elements.In one embodiment, only a first of the housing elements encloses a first of the sleeve sections, and the first and a second of the housing elements each enclose a second of the sleeve sections, wherein in particular the first housing element bears directly against the second sleeve section and the second housing element bears against a section of the first housing element that directly surrounds the second sleeve section and thus bears indirectly against the second sleeve section by means of the second housing element. As explained in relation to the present embodiments, the first housing element can have an axial projection section that is inserted into a receiving section of the second housing element. The sleeve is preferably arranged in a fixed manner in the first housing element with a press fit. For example, the sleeve can be enclosed with its first sleeve section in a press fit by a section of the first housing element.The first housing part preferably rests directly, in particular with a press fit, on the explained first sleeve section and / or on the explained second sleeve section. The sleeve is designed, for example, in the manner of a hollow cylinder, wherein the cylinder axis of the hollow cylinder corresponds to the sleeve axis. By the sleeve being enclosed by a first housing element in a first section and by a second of the housing elements in a second section, the sleeve can, on the one hand, ensure that the housing elements are fixed to one another and, on the other hand, provide a particularly robust guide for a fastening means. Generally preferably, the sleeve extends with its sleeve axis parallel to the bearing axis. Generally preferably, the sleeve extends along its sleeve axis at least completely beyond the extent of the bearing housing, in particular beyond the bearing housing on both sides.Generally preferably, the sleeve is made from a harder material than the housing elements. Generally preferably, the housing elements are held in position relative to one another by the sleeve. In one embodiment, the sleeve rests with its outer side against each of the housing elements, each of which encloses one of its sleeve sections. In one embodiment, the sleeve only rests directly against at least one, in particular only exactly one, of the housing elements, while it does not rest directly against at least one other of the housing elements, but rather the one housing element extends between the sleeve and the other housing element, wherein the other housing element nevertheless also encloses the sleeve, namely the sleeve and a section of the one housing element surrounding the sleeve.Generally preferably, the assembly passage in which the sleeve is arranged is formed by exactly two housing elements, wherein each of the two housing elements encloses a sleeve section of the sleeve assigned to it. Generally preferably, the sleeve is arranged fixedly in a press fit in at least one of the housing elements, which forms at least a section of the assembly passage in which it is arranged. Due to the press-fit arrangement, the sleeve is positioned particularly reliably relative to this housing element or fixed relative to it. Generally preferably, the bearing has a plurality of sleeves and a plurality of assembly passages, wherein each of the sleeves is arranged in a different one of the assembly passages and, as explained, is enclosed by a plurality of, in particular exactly two, housing elements.

[0011] In one embodiment, the housing elements overlap axially within a specific radial region. The radial region can encompass the radial section described above, in which the mounting passage is arranged, or be formed by it. Generally, the housing elements preferably overlap both radially and axially in the radial region. The axial overlap in the radial region can ensure a particularly robust fixation of the housing elements to one another.

[0012] In one embodiment, a first of the housing elements has an axial projection portion and a second of the housing elements has an axial receiving portion, wherein in the intended operating state of the bearing, the projection portion is arranged in or inserted into the receiving portion. For example, to realize the bearing, the housing elements can first be moved radially toward one another and then moved axially toward one another, wherein the projection portion is inserted into the receiving portion by the axial movement toward one another. Generally speaking, the projection portion and the receiving portion each preferably form at least one portion of the assembly feedthrough.As a result, the projection portion and receiving portion can be provided in a particularly space-saving manner, on the one hand, and on the other hand, they can be designed to be particularly robust, for example, by passing the fastening means through the assembly passage and / or by providing a sleeve in the assembly passage. In one embodiment, the bearing has a sleeve as explained here, wherein the sleeve is arranged in a press-fit manner in the projection portion of the first housing element, and wherein, in the intended operating state of the bearing, the projection portion is arranged between the second housing element and the sleeve over a section of the sleeve running along the sleeve axis.

[0013] In one embodiment, the first and second housing elements each have an axial projection section and an axial receiving section, wherein the axial projection section of the respective housing element is inserted into the axial receiving section of the respective other housing element or is arranged therein. This can ensure a particularly advantageous fixation of the two housing elements to one another. In one embodiment, the respective receiving section and the respective projection section inserted into it each form at least one section of a specific one of the mounting passages. Exactly one receiving section of one of the housing elements and exactly one projection section of the other of the housing elements thus form a mutually corresponding pair of sections, which each form a different section of exactly one specific one of the mounting passages.In one embodiment, a sleeve of the bearing is arranged in a press fit in each projection section.

[0014] In one embodiment, the bearing has a plurality of mounting passages, wherein the housing elements overlap across a plurality of different radial sections, and each of the radial sections is assigned one of the mounting passages, wherein the respective mounting passage is arranged within the radial section assigned to it. Preferably, the radial sections together form the radial region explained above. In one embodiment, the bearing has at least one further mounting passage formed by only one of the housing elements.By having the bearing, on the one hand, assembly passages formed by several, in particular exactly two, housing elements, and, on the other hand, further assembly passages formed by a single one of the housing elements, both a simple design of the bearing and a robust fixing of the housing elements to one another as well as a robust fixing of the bearing housing to a counterpart can be particularly advantageously ensured. Generally preferably, a sleeve as explained here is arranged, in particular fixed with a press fit, in each assembly passage as well as in each further assembly passage. The sleeve can generally advantageously bring about a stabilization of the assembly passage and can generally advantageously extend along its sleeve axis, as explained here, at least as far as the two ends of the assembly passage provided along the sleeve axis.This ensures that the housing bearing is fixed by a fastening means while applying a high pressing force along the sleeve axis, which is generated by the fastening means.

[0015] In one embodiment, the bearing has exactly two housing elements. In one embodiment, the bearing has exactly two core elements. By providing exactly two housing elements and / or exactly two core elements, the bearing can be particularly simple to implement and, moreover, can be particularly easily attached radially to a shaft from the outside. In one embodiment, the core elements are made of plastic, in particular each from exactly one or more injection-molded parts. In one embodiment, the housing elements are made of plastic, in particular each from exactly one or more injection-molded parts. In one embodiment, the sleeve is made of a metal or of a harder plastic than the housing elements. In one embodiment, the core elements are made of a sliding material. In one embodiment, the housing elements are made of a sliding material.Generally, the sliding material is preferably a tribologically optimized plastic. For example, polymers can be used to create a tribologically optimized plastic, such as the thermoplastics polyethylene, polypropylene, polyacetal, polycarbonate, polyamide, polyvinyl chloride, polytetrafluoroethylene, and, in the case of thermosets, phenolic resins. To further reduce friction, these plastics can contain lubricants, particularly fine-particle solid lubricants, such as polymeric solid lubricants, waxes, molybdenum disulfide, or graphite. Polymers containing such lubricants are also referred to as tribopolymers.

[0016] In one embodiment, the bearing core is designed in the manner of a spherical cap with a spherical outer surface. Thanks to its spherically designed outer surface, the bearing core is pivotally mounted relative to the bearing housing perpendicular to the bearing axis, so that it can be rotated relative to the bearing housing about an axis running perpendicular to the bearing axis over an angular range. Preferably, however, the bearing core is secured against translational movement relative to the bearing housing with respect to the axial direction and with respect to the radial direction. Preferably, each of the two core elements forms a different section of the spherical outer surface of the spherical cap.

[0017] In one embodiment, the core elements face each other with radially and axially extending end faces. Preferably, the core elements lie radially next to each other with their end faces facing each other and without undercut, so that their end faces do not engage with each other. In one embodiment, the core elements can be rotated relative to each other about an axis running perpendicular to the bearing axis. The rotatability is preferably ensured starting from an operating state of the bearing in which the housing elements are fixedly positioned to one another and the core elements together form the bearing receptacle, but no shaft is arranged in the receptacle. Preferably, the core elements can be removed from the bearing housing after such rotation relative to each other about the said axis. Preferably, the core elements are only secured against removal from the bearing housing by arranging a shaft in the receptacle.

[0018] In one embodiment, the housing elements are identical. In one embodiment, the core elements are identical. By using identical parts, the bearing can be manufactured particularly cost-effectively. In one embodiment, the housing elements each have a lattice structure radially outside their inner surface. In one embodiment, the core elements each have a lattice structure radially inside their outer surface. Preferably, the lattice structure extends exclusively radially inside the outer surface of the core elements or radially outside the inner surface of the housing elements, such that the inner surface of the bearing housing or the outer surface of the bearing core is not formed by the lattice structure. By providing the lattice structure, the bearing can be designed to be particularly cost-effective, save material, and at the same time be robust.By providing the lattice structure neither on the inner surface of the bearing housing nor on the outer surface of the bearing core, the inner and outer surfaces can be designed to correspond to one another in a particularly advantageous manner and, moreover, can slide against one another with particularly low friction and reliability during rotation about the bearing axis. In one embodiment, the core elements protrude axially beyond the flange on at least one axial side of the housing elements. This allows the bearing to be realized in a particularly cost-effective manner and, moreover, thanks to the considerable axial extension of the core elements, reliable guidance of a shaft in the receptacle and reliable guidance of the core elements by the bearing housing can be provided. The housing elements, with the sections of the inner side of the bearing housing formed by them, preferably extend axially beyond the flange.

[0019] The invention further relates to a set for implementing a bearing according to the invention. The set comprises, as components of the set, a plurality of housing elements and a plurality of core elements. In embodiments, the housing elements and core elements can be designed as described here in connection with embodiments of the bearing according to the invention. Furthermore, the set can have, as further components, a plurality of sleeves which can be designed correspondingly as described for the embodiments of the bearing according to the invention. In an operating state of the set, the components of the set are positioned relative to one another such that the bearing is formed by the components. The operating state of the set describes a specific arrangement of the components of the set relative to one another.

[0020] As a further solution to the problem underlying the invention, the invention further proposes the use of a set according to the invention for realizing a bearing according to the invention. According to the use according to the invention, the housing elements are moved radially towards one another until they together form an inner surface which circumferentially encloses the core elements around the bearing axis. In one embodiment, the housing elements are then moved axially towards one another, i.e. after they have been moved radially towards one another as explained, until they axially abut one another within a radial region. Preferably, the housing elements overlap both radially and axially within the radial region, in particular as explained here for the embodiment of the bearing according to the invention.In one embodiment, the core elements are moved radially toward one another until they jointly form an outer surface to be enclosed by the inner surface formed by the housing elements and jointly enclose a receptacle provided for receiving a shaft. In one embodiment, pairs of core element and housing element are first formed, after which these pairs are subsequently moved radially toward one another, wherein in particular the core elements and / or housing elements are moved toward one another as previously explained. Each of the pairs preferably comprises at least one housing element and at least one core element, in particular precisely one housing element and precisely one core element.

[0021] The various solutions according to the invention and their embodiments can have features in embodiments that are explained here in connection with embodiments of other solutions and / or in connection with generic embodiments or are apparent to the person skilled in the art from the explanations.

[0022] The invention is explained in more detail below with reference to four figures using exemplary embodiments.

[0023] They show: Fig. 1: In a schematic principle representation, an exploded view of a first embodiment of the bearing according to the invention; Fig. 2: In various schematic diagrams, different views of components of the embodiment according to Fig. 1; Fig. 3: In a schematic principle representation, an exploded view of a second embodiment of a bearing according to the invention; Fig. 4: In various schematic diagrams, different views of components of the embodiment according to Fig. 3.

[0024] In Fig. 1 and Fig. 2 comprising the Fig. 2a, Fig. 2b, Fig. 2c and Fig. 2D shows various representations of an embodiment of a bearing 400 according to the invention. In Fig. 1 shows an exploded view. In Fig. 2a shows a plan view along the bearing axis X of the bearing 400. In Fig. 2B shows a sectional view of the bearing 400 along the bearing axis X. In the Fig. 2c and Fig. 2d, the bearing 400 is shown in a partially disassembled state, wherein in Fig. 2c the partially disassembled state in a view from above, the Fig. 2d is shown diagonally from below. The Fig. 1 and Fig. The embodiment of a bearing 400 according to the invention shown in Figure 2 is explained below with reference to all the figures mentioned.

[0025] The bearing 400 according to the invention has exactly two housing elements 4, exactly two core elements 2, and exactly two sleeves 3. The two housing elements 4 are identically designed, the two core elements 2 are identically designed, and the sleeves 3 are identically designed. The two housing elements 4 together form two assembly passages 43, wherein each of the housing elements 4 forms an axial section of each of the assembly passages 43. In the operating state of the bearing 400, exactly one sleeve 3 is arranged in each of the assembly passages 43. Each of the sleeves 3 is fixed in one of the housing elements 4 with a press fit. Each of the housing elements 4 has an axial projection section 41 and a correspondingly designed axial receiving section 42. Each of the sleeves 3 is fixed in the projection section 41 of one of the housing elements 4 with a press fit.Each of the housing elements 4 further forms an angular section of the inner surface 44 of the bearing housing formed jointly by the housing elements 4. To implement the bearing 400 on a shaft, the two housing elements 4 can first be radially brought toward or arranged on a respective other side of the shaft, after which they can be rotated about an axis of rotation running perpendicular to the shaft axis, whereby the projection section 41 of the respective housing element 4 is inserted into the receiving section 42 of the respective other housing element, thus causing an axial relative movement of the housing elements 4 toward one another. This can result in slight torsion of the housing elements 4.In the bearing 4, the respective housing element 4 in which the respective sleeve 3 is fixed in a press fit encloses this sleeve 3 over at least the predominant part of its extension along its sleeve axis, whereas the respective other housing element 4 encloses the sleeve with its receiving section 42, wherein the projection section 41 of one housing element 4 extends within a sleeve section of the sleeve 3 between the sleeve 3 and the receiving section 42 of the other housing element.

[0026] With the inner surface 44 of the bearing housing, the bearing housing or the two housing elements 4 enclose the bearing core 20 in the operating state, which in this case is formed by two core elements 2. Each of the core elements 2 forms an angular section of the outer surface 24 of the bearing core 20. The outer surface 24 of the bearing core 20 is designed to correspond to the inner surface 44 of the bearing housing. In this case, the outer surface 24 of the bearing core 20 is designed as a spherical outer surface, so that the bearing core 20 as a whole is designed in the manner of a spherical cap. Due to the spherical design of the outer surface 24 and the corresponding spherical design of the inner surface 44, the outer surface 24 and inner surface 44 have a shape similar to a circular arc section on their radially facing sides in a cross-section that runs in a radial direction and along the bearing axis X.The circular arc sections formed by the inner surface 44 and the outer surface 24 run parallel to each other.

[0027] Both the housing elements 4 and the core elements 2 each have a lattice structure outside their inner surface 44 and outside their outer surface 24, respectively, which makes them particularly material-saving and robust. The housing elements 4 together form a flange 45 of the bearing housing, within which the assembly passages 43 are provided and which encompasses the radial sections or the radial region in which the housing elements 4 radially and axially overlap, which is generally advantageous according to the invention. In the present case, the core elements 2 are each made from a sliding material as a one-piece injection-molded component, which is generally advantageous according to the invention. The core elements 2 each form an angular section of an inner surface 21 of the bearing core 20, which defines or radially delimits the receptacle 210 of the bearing 400. A shaft (not shown) can be inserted into the receptacle 210.Generally preferred, the receptacle 210 of the bearing 400 is cylindrical and thus suitable for receiving a cylindrical shaft.

[0028] The core elements 2 have radially and axially extending end faces 22, with which they face one another in the intended operating state of the bearing 400. Their mutually facing end faces 22 do not engage one another, so that their end faces 22 rest against one another without undercuts, which is generally advantageous according to the invention. Due to the spherical configuration of the outer surface 24 of the bearing core 20 and the inner surface 44 of the bearing housing, the bearing core 20 is held in the bearing housing in the intended operating state of the bearing 400, secured against radial and axial translation, in that the bearing housing surrounds the bearing core 20 both radially and axially or engages behind it.By arranging the flange of the bearing 400 radially outside the receptacle 210 and radially outside the inner surface 44 and also the outer surface 24 and, in addition, the core elements 2 and also the housing elements 4 protrude with an axial section beyond the flange 45, on the one hand, a simple and firm fixability of the bearing 400 to an opposing part can be ensured by means of the flange and, in addition, due to the sufficient axial extension of the inner surface 44 of the bearing housing as well as the outer surface 24 of the bearing core 20 and the inner surface 21 of the bearing core 20, a sufficiently robust guidance of the bearing core 20 in the bearing housing and of a shaft in the receptacle 210 can be ensured.

[0029] In the Fig. 3 and Fig. 4 shows a further embodiment of a bearing 100 according to the invention in various schematic diagrams. Fig. 3 shows an exploded view of bearing 100. Fig. 4 includes the Fig. 4a, Fig. 4b, Fig. 4c and Fig. 4d, in which different views of the bearing 100 are shown. In Fig. 4a shows a view along the bearing axis X of the bearing 100. In Fig. 4b shows a sectional view of the bearing 100 along the bearing axis X. In the Fig. 4c and Fig. 4d, the bearing 100 is shown in a partially disassembled state, wherein in Fig. 4c a view obliquely from above, in Fig. 4d shows a view obliquely from below. Due to the similarities of the Fig. 3 and Fig. 4 to the embodiment shown in the Fig. 1 and Fig. 2 illustrated embodiment significantly to such features of the embodiment according to the Fig. 3 and Fig. 4 in detail, with which they differ from the embodiment according to the Fig. 1 and Fig. 2. The bearing 100, just like the previously explained bearing 400, has exactly two housing elements 1 and exactly two core elements 2. However, in addition to two assembly passages 13, which are each formed jointly by both housing elements 1, the bearing 100 has two further assembly passages 16, which are each formed by only one of the two housing elements 1. In each assembly passage 13 and each further assembly passage 16, one of the sleeves 3 is arranged in a press fit. The respective sleeve 3, which is arranged in one of the assembly passages 13, is arranged in a press fit in the projection section 11 of the respective housing element 1 and can be inserted axially together with the projection section 11 into the corresponding receiving section 12 of the other housing element 1 to realize the bearing 100. As shown in the Fig. 1 and Fig. 2, in the intended operating state, each of the housing elements 1 forms a section of the inner surface 14 of the bearing housing of the bearing 100, which section axially and radially encompasses the outer surface 24 of the bearing core 20 in the operating state.

[0030] Out of Fig. 2c and Fig. 2d on the one hand and Fig. 4c and Fig. 4d, on the other hand, it is also evident that the bearing 100,400 according to the invention can be arranged on a shaft particularly easily in the advantageous embodiments shown. This is because a core element 2 can be arranged on a respective housing element 1,4 with the section of the outer surface 24 of the bearing core 20 formed by it abutting against the section of the inner surface 14,44 of the bearing housing formed by the respective housing element 1,4, so that a respective housing element 1,4 and a core element 2 form a pair, wherein these two pairs can be moved radially toward one another and can be arranged on a respective opposite side of a shaft, which is then located in the receptacle 210 of the respective bearing 100,400 after the bearing 100,400 has been realized.These pairs are first moved radially toward each other and then axially toward each other, ensuring axial interlocking of the housing elements 1, 4 of the two pairs. Based on the dimensions shown in the . Fig. 2c, Fig. 2d or 4c, Fig. 4d, the respective bearing 100,400 can thus be assembled or mounted radially around a shaft in a particularly simple manner and in a generally advantageous manner according to the invention, as explained, which shaft is located in the receptacle 210 of the respective bearing 100,400 after the respective bearing 100,400 has been realized. List of reference symbols 1 housing element 2 Core element 3 sleeves 4 Housing element 11 projection section 12 Recording section 13 Assembly procedure 14 inner surface 15 Flange 16 further assembly steps 20 bearing core 21 inner surface 22 end faces 24 exterior area 41 projection section 42 Recording section 43 Assembly implementation 44 inner surface 45 flange 100 warehouses 200 warehouses 210 recording 400 warehouses X bearing axis

Claims

[1] Bearing (100, 400) comprising a bearing housing and a bearing core arranged in the bearing housing, the bearing core having a receptacle (210) designed as a through-passage extending along a bearing axis (X) through the bearing core, wherein the bearing core has a radial outer surface (24) with which it abuts a corresponding inner surface (14, 44) of the bearing housing, wherein the inner surface (14, 44) of the bearing housing and the outer surface (24) of the bearing core engage radially and axially, defining a radial and axial position of the bearing core relative to the bearing housing, wherein the bearing housing has a flange (15, 45) arranged radially outside the receptacle (210) in which at least one mounting through-passage (13, 43) is provided through which a fastening means provided for mounting the bearing (100, 400) can be passed, characterized by , that the bearing housing has several housing elements (1, 4) and the bearing core has several core elements (2), wherein the core elements (2) together form the receptacle (210) and the housing elements (1, 4) together form the mounting passage, wherein the housing elements (1, 4) overlap over a radial section and the mounting passage (13, 43) is arranged within the radial section. [2] Bearings (100, 400) according to claim 1, characterized by , that each of the housing elements (1,4) encloses a different angular segment, with respect to a rotation about the bearing axis, of the core element, and / or that each of the core elements encloses a different angular segment, with respect to a rotation about the bearing axis, of the receptacle. [3] Bearings according to any of the preceding claims, characterized by, that the housing elements (1, 4) are designed to correspond to each other in such a way that they can be arranged on a different radial side of the shaft, each assigned to the respective housing element (1, 4), to realize the bearing (100, 200) and simultaneously arrange a shaft aligned with its shaft axis along the bearing axis (X) in the receptacle (210) of the bearing (100, 400), in order to realize the bearing (100, 200) and simultaneously arrange a shaft aligned with its shaft axis along the bearing axis (X) in the receptacle (210) of the bearing (100, 400), wherein in particular after the housing elements (1, 4) have been arranged on the radial sides of the shaft the housing elements (1, 4) are movable axially along the shaft axis to realize the bearing (100, 400). [4] Bearing according to claim 3, characterized by, that the core elements (2) are designed to correspond to each other in such a way that they can be arranged on a different radial side of the shaft, each assigned to the respective core element (1, 4), to realize the bearing (100, 200) and simultaneously arrange the shaft, which is aligned with its shaft axis along the bearing axis (X), in the receptacle (210) of the bearing (100, 400), in order to realize the bearing (100, 200) and simultaneously arrange the shaft, which is aligned with its shaft axis along the bearing axis (X), in the receptacle (210) of the bearing (100, 400), in particular the housing elements (100, 400) together with the core elements (2) can be moved radially towards each other. [5] Bearings according to any of the preceding claims, characterized by, that the bearing (100, 400) has a sleeve (3) which is arranged in the mounting opening (13, 43), wherein the sleeve (3) has several sleeve sections offset from one another along its sleeve axis, wherein one of the sleeve sections is enclosed by at least one of the housing elements (1, 4) and another of the sleeve sections is enclosed by at least one other of the housing elements (1, 4), wherein in particular the housing elements (1, 4) are held in position relative to one another by the sleeve (3). [6] Bearing according to claim 5, characterized by , that the sleeve (3) is fixed in at least one of the housing elements (1, 4) in a press fit. [7] Bearings according to any of the preceding claims, characterized by , that the housing elements (1, 4) overlap axially within a certain radial area. [8] Bearing according to claim 7, characterized by, that a first of the housing elements (1, 4) has an axial projection section (11, 41) which is inserted into an axial receiving section (12, 42) of a second of the housing elements (1, 4), wherein in particular the projection section (11, 41) and the receiving section (12, 42) each form at least one section of the assembly feedthrough (13, 43). [9] Bearing according to claim 8, characterized by, that the first and the second housing element (1, 4) each have an axial projection section (11, 41) and an axial receiving section (12, 42), wherein the axial projection section (11, 41) of the respective housing element (1, 4) is inserted into the axial receiving section (12, 42) of the respective other housing element (1, 4), wherein in particular the respective receiving section (12, 42) and the respective projection section (11, 41) inserted into it each form at least a section of one of the assembly feedthroughs (13, 43), wherein in particular the sleeve is press-fitted into the first housing element (1, 4). [10] Bearings according to any of the preceding claims, characterized by, that the bearing has several mounting ports (13, 43), wherein the housing elements (1, 4) overlap over several different radial sections and each of the radial sections is assigned one of the mounting ports (13, 43) which is arranged within its assigned radial section. [11] Bearings according to any of the preceding claims, characterized by , that the bearing has at least one further mounting opening (13, 43) formed by only one of the housing elements (1, 4). [12] Bearings according to any of the preceding claims, characterized by that the bearing has exactly two housing elements (1, 4) and / or exactly two core elements (2). [13] Bearings according to any of the preceding claims, characterized by, that the core elements (2) and in particular the housing elements (1, 4) are made of plastic, in particular each of exactly one or more injection-molded parts, wherein in particular the sleeve (3) is made of a metal or of a harder plastic than the housing elements. [14] Bearing according to claim 13, characterized by , that the core elements (2) and in particular the housing elements (1, 4) are made of a sliding material. [15] Bearings according to any of the preceding claims, characterized by , that the bearing core is designed in the manner of a spherical cap with a spherical outer surface (24), wherein the bearing core is pivotably mounted relative to the bearing housing perpendicular to the bearing axis. [16] Bearings according to any of the preceding claims, characterized by, that the core elements (2) have radially and axially extending end faces towards each other, wherein in particular the core elements (2) are rotatable relative to each other about an axis perpendicular to the bearing axis (X) and in particular are removable from the bearing housing after such rotation. [17] Bearings according to any of the preceding claims, characterized by , that the housing elements (1, 4) are identically designed and / or that the core elements (2) are identically designed. [18] Bearings according to any of the preceding claims, characterized by , that the housing elements (1, 4) radially outside their inner surface (14) and / or the core elements (2) radially inside their outer surface (14) each have a lattice structure. [19] Bearings according to any of the preceding claims, characterized by , that the core elements (2) project axially beyond the flange at least on one axial side of the housing elements (1, 4). [20] Set for realizing a bearing according to one of the preceding claims, the set comprising as components of the set several housing elements (1, 4) and several core elements (2) and in particular several sleeves (3), wherein in an operating state of the set its components are positioned to each other in such a way that the bearing is formed by the components. [21] Use of the set according to claim 20 for realizing a bearing according to any one of claims 1 to 19, wherein the housing elements (1, 4) are moved radially towards each other until they together form an inner surface which surrounds the core elements (2) around the bearing axis (X), wherein in particular the housing elements (1, 4) are then moved axially towards each other until they are axially abutting each other within a radial area, wherein in particular the core elements (2) are moved radially towards each other until they together form an outer surface to be enclosed by the inner surface formed by the housing elements (1, 4) and together enclose a receptacle (210) provided for receiving a shaft.

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