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EP3839166A1 - Dispositif de fixation - Google Patents

Dispositif de fixation Download PDF

Info

Publication number
EP3839166A1
EP3839166A1 EP19218395.2A EP19218395A EP3839166A1 EP 3839166 A1 EP3839166 A1 EP 3839166A1 EP 19218395 A EP19218395 A EP 19218395A EP 3839166 A1 EP3839166 A1 EP 3839166A1
Authority
EP
European Patent Office
Prior art keywords
counter
holder
support
shaft
hold
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Withdrawn
Application number
EP19218395.2A
Other languages
German (de)
English (en)
Inventor
Uwe Popp
Adam Hynes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hilti AG
Original Assignee
Hilti AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hilti AG filed Critical Hilti AG
Priority to EP19218395.2A priority Critical patent/EP3839166A1/fr
Priority to PCT/EP2020/085493 priority patent/WO2021122288A1/fr
Priority to PCT/EP2020/086927 priority patent/WO2021123095A1/fr
Priority to TW109145039A priority patent/TW202124852A/zh
Publication of EP3839166A1 publication Critical patent/EP3839166A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/42—Gratings; Grid-like panels
    • E04C2/428—Separate connecting means, e.g. connecting gratings to underlying structure

Definitions

  • the present invention relates to a device for fastening a first object, such as, for example, a grating, to a second object, such as, for example, a support frame.
  • a multi-part holding element for gratings which has a base part for engaging a carrier, a saddle clamp for engaging the grating and a screw connecting the two parts to one another.
  • a rotary clamp which is rotatable about an axis and which is elastically urged in one direction of rotation via a spring element.
  • the rotary clamp can be placed on an underside of a grid, while the end of the base part remote from the rotary clamp can be placed against a carrier.
  • the saddle clamp on the other hand, can be placed against an upper side of the grid and can be braced against the base part via the screw.
  • the rotary clamp can be rotated about the axis against a spring force of the spring element.
  • An object of the invention is to provide a device for attaching a first object to a second object which can be easily mounted from one side of the first object.
  • a device for fastening a first object to a second object comprising a hold-down with a support element for a support on the first object, an elongated counter-support defining a counter-support longitudinal direction with a first support element for a support on the first Object and a second support element for a support on the second object, a tension element for transmitting a tensile force between the hold-down device and the counter-holder, and an elongated shaft element defining a longitudinal direction of the shaft, which can be pivoted about a pivot axis between a first pivot position and a second pivot position the counterholder is articulated, wherein the longitudinal direction of the shaft and the longitudinal direction of the counterholder are oriented essentially parallel to one another in the first pivot position and are oriented essentially perpendicular to one another in the second pivot position.
  • the shaft element In order to pass through a possibly existing opening of the first object from a first side of the first object, it is possible to pivot the shaft element into the first pivot position. After being pushed through, the shaft element is pivoted into the second pivot position and held indirectly or directly from the first side of the first object while the tensile force is being applied between the hold-down device and the counter-holder. Reaching through an opening in the first object is not necessary.
  • An advantageous embodiment of the device is characterized in that the pivot axis is fixed with respect to the counter holder. Additionally or alternatively, the pivot axis is fixed with respect to the shaft element.
  • tension element rests directly against the hold-down device and / or the counter-holder and / or the shaft element in a force-transmitting manner.
  • a further advantageous embodiment of the device is characterized in that the hold-down device has a guide element on which the shaft element is guided in the longitudinal direction of the shaft element when the tensile force is applied to the tensile element.
  • the counter holder preferably has a passage through which the guide element can be passed when the tensile force is applied to the tensile element.
  • a further advantageous embodiment of the device is characterized in that the device comprises a spring element which biases the shaft element into the second pivot position with respect to the counter holder.
  • the spring element preferably comprises a torsion spring.
  • the tension element comprises a fastening element.
  • the fastening element is preferred designed as a screw.
  • the tension element has a thread and the counter-holder or the shaft element has a counter-thread complementary to the thread.
  • the first support element has a convexly curved first support surface with a radius of curvature of at least 1 mm.
  • the second support element has a convexly curved second support surface with a radius of curvature of at least 1 mm.
  • a further advantageous embodiment of the device is characterized in that the hold-down device, the counter-holder and / or the shaft element are designed as stamped and bent parts. Further advantageous refinements of the device are characterized in that the hold-down device and / or the counter-holder and / or the shaft element have a U-shaped cross section at least in some areas.
  • a fastening device 10 for fastening a first object 20 to a second object 30 is shown in a cross-sectional view.
  • the first object 20 is a grating with transverse struts 21 and longitudinal struts 22,
  • the second Item 30 is a support frame designed as a T-beam.
  • the fastening device 10 comprises a hold-down 40 with an in Fig. 1 Support element 41 protruding into the plane of the drawing for a support on a longitudinal strut 22 of the first object 20.
  • the fastening device 10 comprises an elongate counter holder 50 which defines a counter holder longitudinal direction 51 and a first support element 52 for support on a cross strut 21 of the first object 20 and a second support element 53 for a support on the second object 30.
  • the fastening device 10 comprises a tension element 60 for transmitting a tensile force between the hold-down 40 and the counter-holder 50 as well as an elongated shaft element 70 which defines a longitudinal direction 71 of the shaft and is between a first pivot position ( Fig. 1 ) and a second swivel position ( Fig. 3 ) is articulated on the counter holder 50 so as to be pivotable about a pivot axis 72.
  • the hold-down 40, the counter-holder 50 and the shaft element 70 are designed as stamped and bent parts and have a U-shaped cross section. As a result, these elements can be manufactured inexpensively and are robust against mechanical stresses.
  • the pivot axis 72 is fixed on the one hand with respect to the counter holder 50 and on the other hand with respect to the shaft element 70.
  • the counterholder longitudinal direction 51 and the shaft longitudinal direction 71 are oriented parallel to one another.
  • the fastening device 10 can be inserted through a mesh opening between the transverse struts 21 and the longitudinal struts 22 of the first object in the first pivot position of the shaft element 70 relative to the counter holder 50.
  • the tension element 60 is already preassembled and connected to the hold-down 40 and the counter-holder 50 when the fastening device 10 is inserted through the mesh opening.
  • a fastening device 110 is shown in a further exemplary embodiment in detail in a cross-sectional view.
  • the fastening device 110 comprises a counter holder 150 as well as a between a first pivot position ( Fig. 2 ) and a second swivel position ( Fig. 4 ) Shank element 170 pivoted about a pivot axis 172 on the counter holder 150.
  • the fastening device 110 comprises a spring element 199, which preloads the shaft element 170 with respect to the counter holder 150 into the second pivot position.
  • the spring element 199 is designed as a torsion spring which is wound around the pivot axis 172 and is supported on the one hand on the counter holder 150 and on the other hand on the shaft element 170.
  • the fastening device is off Fig. 1 in the second pivot position of the shaft element 70 relative to the counter holder 50 in a cross-sectional view in which the counter holder longitudinal direction 51 and the shaft longitudinal direction 71 are oriented perpendicular to one another.
  • the hold-down 40 still protrudes from the mesh opening and the support element 41 rests on the longitudinal strut 22 of the first object 20. This prevents the fastening device 10 from accidentally completely slipping through the mesh opening and it is not necessary to reach through a mesh opening of the first object 20 for mounting the fastening device 10.
  • the fastening device 10 is braced in that a tensile force is built up between the hold-down 40 and the counter-holder 50.
  • the tension element 60 transmits this tensile force between the hold-down 40 and the counter-holder 50 and, for this purpose, is designed as a screw which has an external thread which is not designated in any more detail.
  • the shaft element 70 comprises a screw nut 73 which is fixed in rotation relative to the rest of the shaft element 70 and has a mating thread that is complementary to the external thread.
  • the tension element 60 is force-transmitting on the one hand directly against the hold-down device 40 and on the other hand directly against the screw nut 73 and thus against the shaft element 70.
  • the tension element rests directly on the counter holder in a force-transmitting manner and transmits the tensile force directly between the hold-down device and the counter holder.
  • the hold-down 40 has a guide element 42 on which the shaft element 70 is guided in the shaft element longitudinal direction 71 when the tensile force is applied to the tensile element 60.
  • the counter holder 50 has a passage 54 through which the guide element 42 can be passed when the tensile force is applied to the tensile element 60.
  • the first support element 52 then rests against the transverse strut 21 and for this purpose has a convexly curved first support surface 55 with a radius of curvature of, for example, 2 mm.
  • the second support element 53 rests on the second object 30 and for this purpose has a convexly curved second support surface 56 with a radius of curvature of, for example, also 2 mm.
  • Fig. 4 the fastening device 110 is off Fig. 2 shown in the second pivot position of the shaft element 170 relative to the counter holder 150 in a cross-sectional view.
  • the spring element 199 holds the counter-holder 150 and the shaft element 170 relative to one another in the second pivot position due to its prestress.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Clamps And Clips (AREA)
EP19218395.2A 2019-12-20 2019-12-20 Dispositif de fixation Withdrawn EP3839166A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19218395.2A EP3839166A1 (fr) 2019-12-20 2019-12-20 Dispositif de fixation
PCT/EP2020/085493 WO2021122288A1 (fr) 2019-12-20 2020-12-10 Dispositif de fixation
PCT/EP2020/086927 WO2021123095A1 (fr) 2019-12-20 2020-12-18 Dispositif de fixation
TW109145039A TW202124852A (zh) 2019-12-20 2020-12-18 緊固裝置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19218395.2A EP3839166A1 (fr) 2019-12-20 2019-12-20 Dispositif de fixation

Publications (1)

Publication Number Publication Date
EP3839166A1 true EP3839166A1 (fr) 2021-06-23

Family

ID=69411046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19218395.2A Withdrawn EP3839166A1 (fr) 2019-12-20 2019-12-20 Dispositif de fixation

Country Status (2)

Country Link
EP (1) EP3839166A1 (fr)
WO (1) WO2021122288A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467877A (en) * 1946-05-22 1949-04-19 Irving Subway Grating Co Inc Fastening device
US3193062A (en) * 1962-03-01 1965-07-06 Rockwell Standard Co Self locking structure fastener
US4362422A (en) 1980-09-12 1982-12-07 Zinkann Paul J Grating fastener
DE8701181U1 (de) * 1987-01-24 1987-03-12 Fa. Arnold Reinecke, 5885 Schalksmühle Vorrichtung zur Befestigung von Gitterrosten
US5118147A (en) * 1991-05-13 1992-06-02 Grating Specialty Co., Inc. Grating fastener
DE10143831C1 (de) * 2001-08-24 2003-01-02 Lichtgitter Gmbh Stützanordnung für Gitterroste als Fahrbahnplatten

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467877A (en) * 1946-05-22 1949-04-19 Irving Subway Grating Co Inc Fastening device
US3193062A (en) * 1962-03-01 1965-07-06 Rockwell Standard Co Self locking structure fastener
US4362422A (en) 1980-09-12 1982-12-07 Zinkann Paul J Grating fastener
DE8701181U1 (de) * 1987-01-24 1987-03-12 Fa. Arnold Reinecke, 5885 Schalksmühle Vorrichtung zur Befestigung von Gitterrosten
US5118147A (en) * 1991-05-13 1992-06-02 Grating Specialty Co., Inc. Grating fastener
DE10143831C1 (de) * 2001-08-24 2003-01-02 Lichtgitter Gmbh Stützanordnung für Gitterroste als Fahrbahnplatten

Also Published As

Publication number Publication date
WO2021122288A1 (fr) 2021-06-24

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