EP4158122A1 - Ankerschiene - Google Patents
AnkerschieneInfo
- Publication number
- EP4158122A1 EP4158122A1 EP21724220.5A EP21724220A EP4158122A1 EP 4158122 A1 EP4158122 A1 EP 4158122A1 EP 21724220 A EP21724220 A EP 21724220A EP 4158122 A1 EP4158122 A1 EP 4158122A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- anchor
- profile rail
- rail
- longitudinal slot
- serration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 abstract description 2
- 230000000717 retained effect Effects 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4107—Longitudinal elements having an open profile, with the opening parallel to the concrete or masonry surface, i.e. anchoring rails
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/06—Specially-shaped heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/045—Devices for fastening nuts to surfaces, e.g. sheets, plates specially adapted for fastening in channels, e.g. sliding bolts, channel nuts
Definitions
- the invention relates to an anchor rail with the features of the preamble of claim 1 and a method for anchoring an anchor in such an anchor rail with the features of claim 10.
- Anchor rails are typically sunk in a floor or a wall made of concrete and are used to fasten objects, for example machines, with the aid of hammer head screws, for example.
- "Sunk flush" means that the anchor rail is embedded in the concrete and one side of the anchor rail is flush with a surface, for example the concrete.
- the anchor rails are cast around with the concrete on three sides.
- the anchor rails typically have a C-profile rail, that is to say a square or rectangular tubular profile with a continuous longitudinal slot in a transverse center of one side.
- anchor rails are made of sheet steel or generally sheet metal or are extruded, with materials other than metal also being possible.
- the patent FR 1,544,762 discloses a hammer head screw for fastening cover elements to posts of superstructures of utility vehicles.
- the hammer head screw has a shaft with a thread at one end and a screw head in the shape of a diamond in view at the other end.
- the screw head can be introduced into one of the posts through a slot and brought into engagement behind in the post by turning.
- the shaft of the known hammer head screw has on a circumference opposite to each other two axially crescent-shaped projections with axially parallel ribs on their outer surfaces, which press against the edges of the slot in the post when the screw head is rotated and thereby hold the hammer head screw in increase in a longitudinal direction of the post.
- the object of the invention is to propose an anchor rail with an anchor with an improved hold in a longitudinal direction of a C-profile rail of the anchor rail.
- the anchor rail according to the invention has a C-profile rail and an anchor with an anchor head, which can be brought into an engagement behind in the C-profile rail, so that an anchor shaft reaches through the longitudinal slot of the C-profile rail.
- a C-profile rail is a tubular rail with an in particular square or rectangular cross section and a longitudinal slot in one side.
- the anchor head can be aligned in a longitudinal direction of the C-profile rail, introduced into the C-profile rail through the longitudinal slot and brought into engagement behind the C-profile rail by turning so that it does not move out of the C-profile rail in the axial direction of the anchor shaft pull out.
- the anchor shaft extends in the longitudinal direction, that is to say along the longitudinal axis of the anchor.
- the longitudinal axis of the anchor is in particular identical to the longitudinal axis of the anchor shaft.
- the anchor shaft is typically cylindrical at its end facing away from the anchor head, the longitudinal axis running centrally in the direction of the height of the cylinder, and provided with an external thread onto which a nut can be screwed onto the anchor shaft along the longitudinal axis.
- the nut can be used to clamp an attachment against the C-profile rail, the anchor transferring the forces acting on the attachment into the C-profile rail.
- the anchor head is preferably arranged at one end of the anchor shaft and protrudes from the anchor shaft radially to the longitudinal axis or transversely, preferably in two opposite directions.
- the anchor head is preferably not wider, but longer than the width of the longitudinal slot of the C-profile rail, radially to the anchor shaft.
- the anchor of the anchor rail according to the invention has a first serration tooth running in a longitudinal direction of the anchor shaft.
- “In a longitudinal direction” means axially parallel or at an especially acute angle obliquely to an axial plane of the anchor shaft.
- “Serrated tooth” means a tooth, a rib or the like, in particular with a triangular cross-section, which protrudes from a circumference of the anchor shaft outwards, in particular radially outwards, and a cutting edge extending in the longitudinal direction of the shaft radially on one of the anchor shafts has distant edge.
- the cutting edge can be sharp-edged, in particular an acute-angled edge, or have a rounding with a small radius or a narrow flattening.
- it is The cutting edge is designed in such a way that it can be molded into an edge of the longitudinal slot of the C-profile rail.
- a radial distance between the cutting edge of the first serration tooth from the longitudinal axis of the anchor shaft in the direction of the anchor head increases to more than half the width of the longitudinal slot of the C-profile rail.
- the radial distance between an end of the cutting edge of the first serration tooth remote from the anchor head and the longitudinal axis is preferably less than half the width of the longitudinal slot of the C-profile rail.
- the anchor head when the anchor head is brought closer to the inside of the side of the C-profile rail having the longitudinal slot and, in particular, is brought into contact with the inside of the side of the C-profile rail having the longitudinal slot.
- the movement of the anchor head to the inside of the side of the C-profile rail having the longitudinal slot can take place in particular by writing down a nut and bracing an attachment with the nut against the C-profile rail.
- the molding of the cutting edge of the first serration results in a form fit between the first serration on the anchor shaft and the edge of the longitudinal slot of the C-profile rail, which ensures a good hold of the anchor in the longitudinal direction of the C-profile rail.
- the cutting edge of the first serration can also be formed in the edge of the longitudinal slot of the C-profile rail by rotating the anchor about the longitudinal axis of the anchor shaft, which brings the anchor head into engagement behind the C-profile rail.
- the anchor shaft is preferably supported on an opposite edge of the longitudinal slot of the C-profile rail.
- the serration tooth is arranged in particular at the transition between anchor shaft and anchor head and is connected to both the anchor shaft and the anchor head.
- the serration is supported by the anchor head during molding.
- the anchor of the anchor rail according to the invention preferably has two first serration teeth arranged at opposite circumferential points of the anchor shaft, the cutting edges of which are molded into the opposite edges of the longitudinal slot of the C-profile rail when the anchor head from the inside in contact with the inside of the side of the C with the longitudinal slot -Profile rail is brought or the anchor head by turning the anchor around the longitudinal axis of the anchor shaft in a rear grip is brought into the C-profile rail.
- the cutting edges of the first serrations run obliquely to the axial plane of the anchor shank, they preferably run at the opposite circumferential points of the anchor shank opposite to one another obliquely to the axial plane, that is, the cutting edges of the opposite first serrations both have either a left or a right incline, so that so to speak, when the anchor head is moved in the direction of the longitudinal axis of the anchor against the inside of the side of the C-profile rail having the longitudinal slot, “screw” into the opposite edges of the longitudinal slot of the C-profile rail.
- the armature can also have more than two first first serration teeth, offset in the circumferential direction, in the manner of a toothing on the circumference of the armature shaft. These first serrations are offset from a width of the first serration to approximately twice the width of the first serration. Such first serration teeth can be present on opposite circumferential sections of the anchor shaft.
- a preferred embodiment of the invention has one or more second serration teeth on an outer side of the anchor head remote from the longitudinal axis of the anchor shaft.
- the second serration or teeth are arranged so that they or their cutting edges, when the anchor is rotated around the longitudinal axis of the anchor shaft in order to bring the anchor head into engagement behind the C-profile rail, hit against an inside of the C-profile rail and approach each other from the inside Mold into the C-profile rail.
- the anchor head preferably has second serration teeth on opposite outer sides of the anchor head which abut against opposite inner sides of the C-profile rail and are molded there.
- the outer side or the outer sides of the anchor head can also have second serration teeth offset from one another in the circumferential direction.
- the cutting edges of the serration teeth offset in the circumferential direction preferably increase their radial distance from the longitudinal axis of the anchor shaft from serration tooth to serration tooth in a circumferential direction.
- the second serration teeth improve the hold of the anchor in the longitudinal direction of the C-profile rail. Designs of the armature without first serrations are also conceivable.
- a further development of the invention provides that a clear inner width of the C-profile rail is reduced parallel to the width of its longitudinal slot in the direction of the side of the C-profile rail having the longitudinal slot.
- the C-profile rail is preferably narrower on the inside than a distance between the cutting edges of opposite second serration teeth and at a distance from the side of the C-profile rail having the longitudinal slot, the C-profile rail is preferably wider on the inside than the distance between the cutting edges of opposite second serration teeth.
- the anchor can be moved in the longitudinal direction of the C-profile rail. If the anchor head is brought closer to the inside of the C-profile rail having the longitudinal slot, the cutting edges of the second serration teeth form from the inside into the sides of the C-profile rail that adjoin the side that has the longitudinal slot.
- Figure 1 is an end view of an anchor rail according to the invention
- FIG. 2 shows an anchor of the anchor rail from FIG. 1 in a manner compared to FIG. 1
- FIG. 3 shows an end view of the anchor according to arrow III in FIG.
- the anchor rail 1 according to the invention shown in FIG. 1 has a C-profile rail 2 and an anchor 3, which is shown as an individual part in FIGS. 2 and 3.
- the C-profile rail 2 has a rectangular tubular profile with a continuous longitudinal slot 15 in one side 4.
- a clear inner width b of the C-profile rail 2 parallel to a width B of its longitudinal slot 15 decreases in the direction of the side 4 of the C-profile rail having the longitudinal slot 15.
- the inner width b is a distance from the inner sides of two parallel sides 5 of the C-profile rail 2 adjoining the side 4 having the longitudinal slot 15.
- the anchor 3 has a cylindrical anchor shaft 6 with a thread 7 and an anchor head 8 at one end of the anchor shaft 6.
- the anchor shaft 6 extends along a longitudinal axis L of the anchor 3, which is also the longitudinal axis L of the anchor shaft 6.
- a nut (not shown) can be screwed onto the thread 7 and an attachment (not shown) can be fastened to the anchor rail 1 with the nut.
- the anchor 3 has first serration teeth 9 at opposite circumferential locations of the anchor shank 6, which protrude radially from the anchor shank 6.
- the serration teeth 9 have triangular cross-sections in a radial plane of the anchor shaft 6 and are connected to the anchor head 8 and the anchor shaft 6.
- An acute-angled edge of the serration teeth 9 facing away from the anchor shank 6 forms a cutting edge 10 of the anchor shaft 6 or the anchor 3 in the direction of the anchor head 8.
- the first serrations 9 are arranged obliquely to the longitudinal axis L, that is, the first serrations 9 and their cutting edges 10 run obliquely to an axial plane of the anchor shaft 6.
- first serrations 9 and their cutting edges 10 are inclined opposite to the axial plane of the anchor shaft 6, that is, both first serration teeth 9 have - in the exemplary embodiment - a right-hand slope or, in contrast to the exemplary embodiment, a left-hand slope.
- the anchor head 8 is approximately rectangular.
- the anchor head 8 has two parallel longitudinal sides 11 and two transverse sides which extend from one to another of the two longitudinal sides 11 and which are referred to here as outer sides 12 of the anchor head 8 remote from the longitudinal axis L of the anchor shank 3.
- These outer sides 12 of the anchor head 8 have diametrically opposite to the longitudinal sides 11 right-angled sections which extend over half the width of the anchor head 8 and also diametrically opposite, to the longitudinal sides 11 inclined sections which extend over another half the width of the anchor head 8 extend.
- the Sections of the outer sides 12 at right angles to the longitudinal sides 11 are each located on different halves of the width of the anchor head 8, as are the sections of the outer sides 12 which are inclined toward the longitudinal sides 11.
- the sections at right angles to the longitudinal sides 11 of the outer sides 12 of the anchor head 8 remote from the longitudinal axis L have second serration teeth 13 which, in the exemplary embodiment, run in axial planes of the armature shaft 6, which, like the first serration teeth 9, can, however, also run obliquely.
- Cutting edges 14 of the second serration teeth 13 run obliquely, that is to say they increase their radial distance from the longitudinal axis L in a direction away from the anchor shaft 6, that is to say in the same direction as the cutting edges 10 of the first serration teeth 9.
- the anchor head 8 has three second serration teeth 13 on each outer side 12, which are offset from one another in the direction of the width of the anchor head 8, which can also be understood as the circumferential direction.
- a second serration 13 is located in the middle of the width of the anchor head 8, a second serration 13 is located on a longitudinal side 11 of the anchor head 8 and a second serration 13 is located between these two second serrations 13.
- the anchor head 8 is somewhat narrower and longer than the longitudinal slot 15 of the C-profile rail 2 of the anchor rail 1 according to the invention is wide.
- a diameter of the anchor shaft 6 is as large as the anchor head 8 is wide, that is, the diameter of the anchor shaft 6 is slightly smaller than the longitudinal slot 15 of the C-profile rail 2 is wide.
- the anchor head 8 is slightly shorter than a maximum inner width b of the C-profile rail 2 at a distance from the side 4 of the C-profile rail 2 having the longitudinal slot 15 and slightly longer than a minimum inner width b of the C-profile rail 2 at the side 4 of the C-profile rail 2 having the longitudinal slot 15 Side 4 of the C-profile rail 2.
- a distance between the cutting edges 14 of the opposing second serration teeth 13 from one another is somewhat smaller than the maximum inner width b of the C-profile rail 2 and somewhat greater than the minimum inner width b of the C-profile rail 2.
- the anchor head 8 is aligned along the C-profile rail 2 through the longitudinal slot 15 in the C-profile rail 2, so that the anchor head 8 is located in the C-profile rail 2 and the anchor shaft 6 extends through the longitudinal slot 15 of the C-profile rail 2.
- the anchor head 8 is in the C-profile rail 2 placed transversely, so that it engages behind the side 4 of the C-profile rail 2 having the longitudinal slot 15 from the inside and no longer in the direction of the longitudinal axis L of the anchor shaft 6, i.e. transversely to the C-profile rail 2 from the C-profile rail 2 can be pulled out.
- the anchor head 8 is at a distance from an inner side of the side 4 of the C-profile rail 2 having the longitudinal slot 15, that is, in the area in which the C-profile rail 2 has the maximum inner width b, the anchor 3 can be in move in a longitudinal direction of the C-profile rail 2.
- the cutting edges 10 of the first serrations 9 come into contact with the edges of the longitudinal slot 15 of the C-profile rail 2 because their radial distance a enlarged from the longitudinal axis L of the anchor shaft 6 in the direction of the anchor head 8.
- the cutting edges 10 of the first serration teeth 9 are formed in the edges of the longitudinal slot 15.
- the cutting edges 14 of the second serration teeth 13 come from the inside against the sides 5 of the C-profile rail 2 adjoining the side 4 having the longitudinal slot 15 and form into the adjoining sides 5 because the inside width b of the C-profile rail 2 in the direction the side 4 of the C-profile rail 2 having the longitudinal slot decreases.
- the armature 3 is held in the longitudinal direction of the C-profile rail 2.
- the bevel of the first serration teeth 9 and their cutting edges 10 to the longitudinal axis L or to the axial plane of the anchor shank 6, that is, a direction of inclination of the cutting edges 10, is selected so that when the anchor 3 is acted upon in the direction of the longitudinal axis L so that the Anchor head 8 moves in the direction of the inside of the longitudinal slot 15 having side 4 of the C-profile rail 2, a torque about the longitudinal axis L of the anchor shaft 6 acts on the anchor 3, whereby the cutting edges 14 of the second serrations 13 against the inside of the to the Longitudinal slot having side 4 adjoining sides 5 of the C-profile rail 2 are pressed.
- Anchor rail a radial distance of the cutting edge 10 from the longitudinal axis L b inner width
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020113984 | 2020-05-26 | ||
| DE102020124205.0A DE102020124205A1 (de) | 2020-05-26 | 2020-09-17 | Ankerschiene |
| PCT/EP2021/061499 WO2021239391A1 (de) | 2020-05-26 | 2021-05-03 | Ankerschiene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4158122A1 true EP4158122A1 (de) | 2023-04-05 |
Family
ID=78509088
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21724220.5A Withdrawn EP4158122A1 (de) | 2020-05-26 | 2021-05-03 | Ankerschiene |
| EP21724581.0A Withdrawn EP4158123A1 (de) | 2020-05-26 | 2021-05-03 | Ankerschiene |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21724581.0A Withdrawn EP4158123A1 (de) | 2020-05-26 | 2021-05-03 | Ankerschiene |
Country Status (4)
| Country | Link |
|---|---|
| EP (2) | EP4158122A1 (de) |
| CN (2) | CN115605654A (de) |
| DE (2) | DE102020124205A1 (de) |
| WO (2) | WO2021239392A1 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1181378A (fr) * | 1957-08-21 | 1959-06-15 | Ecrou utilisable pour la fixation de cornières | |
| FR1544762A (fr) | 1967-09-25 | 1968-11-08 | Erbsloeh Julius & August | Dispositif d'assemblage d'éléments d'habillage s'étendant suivant les dimensions d'une surface |
| CA1181921A (en) * | 1982-06-11 | 1985-02-05 | Mortimer Brown | Locking fastener |
| DE19718230B4 (de) * | 1996-07-17 | 2005-07-21 | Halfen Gmbh & Co. Kommanditgesellschaft | Befestigungselement zur Sicherung einer Kopfschraube in einer Ankerschiene |
| DE102009041654A1 (de) * | 2009-09-17 | 2011-03-24 | Hilti Aktiengesellschaft | Eingiessbare Ankerschiene |
-
2020
- 2020-09-17 DE DE102020124205.0A patent/DE102020124205A1/de active Pending
- 2020-09-17 DE DE102020124206.9A patent/DE102020124206A1/de active Pending
-
2021
- 2021-05-03 CN CN202180038076.1A patent/CN115605654A/zh active Pending
- 2021-05-03 EP EP21724220.5A patent/EP4158122A1/de not_active Withdrawn
- 2021-05-03 WO PCT/EP2021/061500 patent/WO2021239392A1/de not_active Ceased
- 2021-05-03 EP EP21724581.0A patent/EP4158123A1/de not_active Withdrawn
- 2021-05-03 WO PCT/EP2021/061499 patent/WO2021239391A1/de not_active Ceased
- 2021-05-03 CN CN202180038077.6A patent/CN115552082A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021239391A1 (de) | 2021-12-02 |
| WO2021239392A1 (de) | 2021-12-02 |
| DE102020124206A1 (de) | 2021-12-02 |
| DE102020124205A1 (de) | 2021-12-02 |
| EP4158123A1 (de) | 2023-04-05 |
| CN115605654A (zh) | 2023-01-13 |
| CN115552082A (zh) | 2022-12-30 |
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Legal Events
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