WO2021225277A1 - Boulon d'ancrage de type écrou - Google Patents

Boulon d'ancrage de type écrou Download PDF

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Publication number
WO2021225277A1
WO2021225277A1 PCT/KR2021/003685 KR2021003685W WO2021225277A1 WO 2021225277 A1 WO2021225277 A1 WO 2021225277A1 KR 2021003685 W KR2021003685 W KR 2021003685W WO 2021225277 A1 WO2021225277 A1 WO 2021225277A1
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WO
WIPO (PCT)
Prior art keywords
hole
fastening
pressing
outer circumferential
nut
Prior art date
Application number
PCT/KR2021/003685
Other languages
English (en)
Korean (ko)
Inventor
이순석
Original Assignee
Lee Soon Suak
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 Lee Soon Suak filed Critical Lee Soon Suak
Publication of WO2021225277A1 publication Critical patent/WO2021225277A1/fr

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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
    • E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
    • 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
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
    • F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander

Definitions

  • the present invention relates to a nut-type anchor bolt, and more particularly, to a nut-type anchor bolt that can be firmly fixed to a hole formed in a concrete wall or a concrete ceiling.
  • anchor bolts are used to provide fixing power when installing equipment and structures having a weight such as machinery, frames, and steel frames on a wall, floor, or ceiling of a concrete building.
  • Patent Document 1 has a problem in that since the sleeve is fixed to the hole by a simple opening structure when the bolt is pulled, the fastening force with the hole perforated in the building is limited.
  • Patent Document 1 Korean Patent No. 1607815 (2016.03.24)
  • the present invention has been devised in view of the above points, and the solution to the present invention is to rotate the tightening part of the bolt structure and spirally fasten the tightening part to the fastening part of the nut structure (opening part) of the nut structure located in the hole of the fixed structure.
  • An object of the present invention is to provide a nut-type anchor bolt that can be firmly fixed by digging into the inner surface of the hole of the fixed structure as the extension is expanded by the
  • a nut-type anchor bolt according to the present invention for achieving the above object, a screw portion is formed at one end in the shape of a rod, the tightening portion is formed on the outer peripheral surface of the bulging member; a fastening part having a fastening hole formed therein so as to be helically fastened to the spiral part of the fastening part; and an expansion part integrally formed at the end of the fastening part and provided to press the inner circumferential surface of the hole formed in the fixed structure while being spread by the widening member when the tightening part rotates.
  • the nut-type anchor bolt in which a spiral portion is formed at one end in a rod shape; a fastening hole formed so as to be helically fastened to the spiral part of the tightening part, and a bulging part having an diaphragm member formed on an outer circumferential surface thereof; and an expansion part positioned between the tightening part and the convex part and provided to press the inner circumferential surface of the hole formed in the fixed structure while being spread by the convex member of the convex part when the tightening part rotates.
  • the beollim member has a beollim inclined surface, and the beollim inclined surface may be partially or entirely formed in a radial direction.
  • a deformation inducing groove may be formed along a boundary point between the fastening part and the extension part.
  • a radial cut-out groove may be formed on the outer circumferential surface of the extension part, and the wing may be formed at the lower end of the head of the tightening part to have an area larger than the inner diameter of the hole of the fixing structure.
  • the nut-type anchor bolt according to the present invention has a rod-shaped spiral portion 114 formed at one end thereof, and a tightening portion 110 in which an open member 116 is formed on an outer circumferential surface; a fastening part 120 having a fastening hole 122 formed therein so as to be helically fastened to the spiral part 114 of the fastening part 110; and an expansion part integrally formed at the end of the fastening part 120 and provided to press the inner circumferential surface of the hole H formed in the fixed structure while being spread by the widening member 116 when the tightening part 110 rotates.
  • the extension part 130 includes, and the opening member 116 has an inclined surface ( 116a) is provided, and the extension part 130 has an open slope 132 formed in a direction from the entrance direction of the hole (H) of the fixed structure to the direction opposite to the entrance of the hole (H) in a direction approaching the center of the diameter of the hole. It is provided, and the beveling inclined surface 132 is pressed by the open pressing inclined surface 116a to push the extension 130 toward the wall surface of the hole H, and the extension 130 has a mountain shape on the outer circumferential surface.
  • a plurality of pressing protrusions 138 forming irregularities are provided, and at the boundary between the fastening part 120 and the expansion part 130, the expansion part 130 is easily opened according to the pressure of the opening member 116.
  • a deformation inducing groove 136 is provided so as to allow A plurality of auxiliary pressure tools 139 that can be in contact with are provided, and the plurality of auxiliary pressure aids 139 are provided adjacent to the outer circumferential portion that is most deformed among the outer circumferential surfaces of the expansion unit 130 ( The cross-sectional area of 139 is the smallest, and the cross-sectional area of the pressure assisting tool 139 provided adjacent to the portion of the outer circumferential surface that is least deformed among the outer circumferential surfaces of the extension part 130 may be the largest.
  • the extension part is expanded by the fastening part of the nut structure located in the hole of the fixed structure while being spirally fastened with the tightening part by rotating the fastener of the bolt structure, digging into the inner surface of the hole of the fixed structure to dig into the hole It has the effect that it can be firmly fixed inside.
  • FIG. 1 is an exploded perspective view showing a nut-type anchor bolt according to a first embodiment of the present invention.
  • FIGS. 2 and 3 are cross-sectional views illustrating the operation process of the nut-type anchor bolt according to the first embodiment of the present invention.
  • FIG. 4 is a cross-sectional view illustrating a state in which a pressing protrusion is formed in the extension part of the nut-type anchor bolt according to the first embodiment of the present invention.
  • FIG 5 is a cross-sectional view showing a state in which the pressing aid is coupled to the pressing protrusion formed in the extension part in the nut-type anchor bolt according to the first embodiment of the present invention.
  • FIG. 6 is an exploded perspective view showing a nut-type anchor bolt according to a second embodiment of the present invention.
  • FIG. 7 and 8 are cross-sectional views illustrating the operation process of the nut-type anchor bolt according to the second embodiment of the present invention.
  • FIG. 9 is a cross-sectional view showing a state in which a pressing protrusion is formed in the extension part of the nut-type anchor bolt according to the second embodiment of the present invention.
  • FIG. 1 is an exploded perspective view showing a nut-type anchor bolt according to a first embodiment of the present invention
  • FIGS. 2 and 3 are cross-sectional views illustrating the operation process of the nut-type anchor bolt according to the first embodiment of the present invention
  • 4 is a cross-sectional view showing a state in which a pressing protrusion is formed in the extension part in the nut-type anchor bolt according to the first embodiment of the present invention
  • FIG. 5 is an extension part in the nut-type anchor bolt according to the first embodiment of the present invention.
  • FIG. 9 is a cross-sectional view showing a state in which a pressing protrusion is formed in the extension part in the nut-type anchor bolt according to the second embodiment of the present invention.
  • the nut-type anchor bolt 100 includes a tightening part 110, a fastening part 120 and an extension part 130, and a concrete wall or It is a device for fixing an object to be fixed in the hole (H) of a fixed structure such as a ceiling.
  • the tightening part 110 is formed in a bolt shape as shown in FIGS. 1 to 3 , a head 112 formed in a hexagonal shape, and a spiral part 114 formed at the lower end of the rod extending from the bottom surface of the head 112 . ), and a bulim member 116 provided on the outer circumferential surface of the rod between the head 112 and the spiral portion 114 .
  • a fastening hole 112a is formed in the head 112, and a bracket (not shown in the drawing) for fixing an object to be fixed to the other end of the spiral rod in a state where one end of the spiral rod is fastened to the fastening hole 112a. It can be fixed with a nut (not shown in the drawing). And a wing (112b) having an outer diameter larger than the inner diameter of the hole (H) of the fixing structure is provided around the lower end of the head (112).
  • the wing (112b) has been illustrated as having a circular shape, but is not limited thereto, and can be changed to a polygon or the like.
  • the opening member 116 is radially connected to the outer circumferential surface of the rod, which is the lower part of the head 112, and functions to gradually spread the extension 130 outward in a state in close contact with the beollim inclined surface 132, and the extension part ( 130) is formed at the lower end in contact with the pressing inclined surface 116a.
  • the opening member 116 has been exemplified as being partially provided radially while having a panel shape on the outer circumferential surface of the rod, which is the lower portion of the head 112, but is not limited thereto and is formed entirely along the outer circumferential surface of the rod. possible.
  • the fastening part 120 is integrally formed in the lower part of the extended part 130 while being formed in a cylindrical shape as shown in FIGS.
  • a fastening hole 122 is formed.
  • the fastening part 120 has an outer diameter corresponding to the hole (H) of the fixed structure, or is provided with a radial locking protrusion (not shown in the drawing) on the outer circumferential surface, so that it is not rotated when inserted into the hole (H) of the fixed structure. can be combined without
  • the extension 130 is formed in a cylindrical shape as shown in FIGS. 1 to 4 and is integrally formed with the fastening part 120 , in the process of being opened by the diaphragm member 116 when the tightening part 110 rotates. While pressing the inner peripheral surface of the hole (H) formed in the fixed structure digging is firmly fixed in the hole (H) of the fixed structure.
  • the extension portion 130 has a beveling inclined surface 132 formed on the inner peripheral surface of the upper end, a radial cut-out groove 134 is formed on the upper end, and a deformation inducing groove 136 is formed along the boundary point with the extension portion 130 . is formed
  • the beollim inclined surface 132 is formed in an upper and lower narrow structure and is provided so as to be easily opened by the beollim pressing inclined surface 116a of the tightening unit 110 .
  • the incision groove 134 is formed up to the deformation inducing groove 136 so as to be easily opened by the open pressing inclined surface 116a, and the number of formations is illustrated as four, but it is not limited thereto, and increase or decrease is possible.
  • the deformation inducing groove 136 induces the fastening part 120 to be easily deformed when the upper end of the fastening part 120 is opened by the open pressing inclined surface 116a.
  • the deformation inducing groove 136 is formed in a triangular cross-sectional shape so that the upper end of the fastening part 120 is deformed based on the vertex position.
  • extension 130 is provided with a continuous pressing protrusion 138 in the shape of a mountain on the outer peripheral surface can be more firmly in close contact with the hole (H) of the fixed structure (see FIG. 4).
  • the pressing auxiliary tool 139 having a rhombic cross-sectional shape on the pressing protrusion 138 may be provided at set intervals.
  • the pressure assisting tool 139 has an annular shape and is partially cut, and the pressure protrusion 138 moves to the inner surface of the hole H of the fixing structure in a state where the cut portion is spread and coupled to the pressure protrusion 138 at set intervals. When digging, the friction force is further maximized and the holding force is improved.
  • the pressure assisting tool 139 has the smallest area of one end (the upper end of FIG. 5 ) that is deformed the most among the outer peripheral surfaces of the extension unit 130 , and the area of the other end (the lower end of FIG. 5 ) that is the least deformed has the largest area. catalog is provided.
  • the degree of pressing is made to be similar to provide uniform pressing force.
  • the pressure assisting tool 139 has been exemplified as being provided at three points such as the upper end, the middle end, and the lower end, but the number is not limited thereto.
  • a hole H is formed on the outer wall surface of a fixed structure such as a concrete wall or a concrete ceiling using a tool such as a drill.
  • the fastening part 120 located at the most tip is positioned at the bottom of the hole, and the head 112 of the fastening part 110 is the outer wall of the fixed structure. to be spaced apart from each other.
  • the fastening hole 122 of the fastening part 120 is partially screwed to the spiral part 114 of the tightening part 110, and the beollim pressing inclined surface 116a and the beollim inclined surface 132 of the beollim member 116 are to stay close.
  • the fastening unit 120 comes up to the set boundary line, but the open pressing inclined surface 116a of the beolating member 116 presses the beolating inclined surface 132 while pressing the outer surface of the tightening unit 110 . After being in close contact with the hole (H), the tightening unit 110 moves in the direction of the fastening unit 120 .
  • the beollim inclined surface 132 is the open press the inclined surface of the beollim member 116 with the deformation inducing groove 136 as a starting point.
  • the outer circumferential surface of the extension 130 is digged while pressing the inner circumferential surface of the hole H formed in the fixed structure while being widened by the 116a.
  • the nut-type anchor bolt 200 includes a tightening part 210, an open part 220 and an expansion part 230, and a concrete wall or It is a device for fixing an object to be fixed in the hole (H) of a fixed structure such as a ceiling.
  • the tightening part 210 is formed in a bolt shape as shown in FIGS. 6 to 8 , a head 212 having a fastening hole 212a formed on an upper surface formed in a hexagonal shape, and a head 212 extending from the bottom surface of the head 212 . It includes a spiral portion 214 formed at the lower end of the rod, and the head 212 and the spiral portion 214 have the same structure and function as that of the previous embodiment, so a detailed description will be omitted.
  • the bulging part 220 has a fastening hole 222 formed therein so as to be helically fastened to the spiral part 214 of the tightening part 210 on the inside formed in a cylindrical shape, and on the outer circumferential surface.
  • a bulging member 224 is formed.
  • a wing (212b) having an outer diameter greater than the inner diameter of the hole (H) of the fixing structure is provided around the lower end of the head (212).
  • the convex part 220 functions to spread the expansion part 230 while not being rotated when inserted into the hole H of the fixed structure by the diaphragm member 224 .
  • the convex member 224 is formed in a rectangular shape on the outer peripheral surface of the convex part 220, and gradually spreads the inner peripheral surface of the extension part 230 outward in a state in close contact with the extended inclined surface 132 formed on the outer surface. do.
  • the diaphragm member 224 has been exemplified as being partially provided radially while having a piece shape on the outer peripheral surface of the convex part 220, but is not limited thereto, and may be formed entirely along the outer peripheral surface of the convex part 220. .
  • the expansion part 230 is formed in a cylindrical shape as shown in FIGS. 6 to 8, and is formed in the fixed structure in the process of being opened by the beveling inclined surface 224a of the beolating member 224 when the tightening part 110 is rotated. It is firmly fixed in the hole (H) of the fixing structure by digging while pressing the inner peripheral surface of the hole (H).
  • the extension 230 is formed with a radial cut-out groove 232 at the bottom.
  • the cut-out groove 232 is formed so as to be easily opened by the beveling inclined surface 224a of the beolating member 224, and the number of formations is illustrated as four, but it is not limited thereto, and increase or decrease is possible.
  • the extension 230 is provided with a continuous pressing protrusion 234 having a mountain-shaped shape up to the height at which the cut-out groove 232 is formed on the outer peripheral surface, so that it can be more firmly adhered to the hole H of the fixing structure (see FIG. 9 ). ).
  • a pressing aid having a rhombic cross-sectional shape on the pressing protrusion 234 may be provided at set intervals.
  • a hole H is formed on the outer wall surface of a fixed structure such as a concrete wall or a concrete ceiling using a tool such as a drill.
  • the fastening hole 222 of the convex part 220 is partially helically fastened to the helical part 214 of the tightening part 210 , so that the lower end of the extension part 230 and the bulimal inclined surface 224a are kept close to each other. do.
  • the fastening part 220 comes up to the set boundary line, but the beveling inclined surface 224a of the opening member 224 presses the inner peripheral surface of the expansion part 230 while the tightening part 210 of the tightening part 210 is pressed. After the outer surface is in close contact with the hole (H), the tightening part 210 moves in the direction of the fastening part 220 .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Dowels (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

Un boulon d'ancrage de type écrou selon la présente invention comprend : une partie de serrage d'une forme de tige ayant une partie en spirale sur une extrémité de celle-ci et un élément d'ouverture formé sur la surface circonférentielle externe ; une partie de fixation ayant un trou de fixation formé à l'intérieur de celle-ci de manière à être fixée en spirale avec la partie en spirale de la partie de serrage ; et une partie d'expansion qui est formée d'un seul tenant au niveau de la partie d'extrémité de la partie de fixation et est ouverte par l'élément d'ouverture, lorsque la partie de serrage tourne, de façon à presser la surface circonférentielle interne d'un trou formé dans une structure fixe. Selon la présente invention, la partie de serrage d'une structure de boulon est amenée en rotation, de telle sorte que la partie d'expansion soit étendue par la partie de fixation (partie d'ouverture) d'une structure d'écrou qui est fixée en spirale avec la partie de serrage et qui est située dans le trou de la structure fixe, puis la partie d'expansion s'enfonce dans la surface interne du trou de la structure fixe et est fermement fixée dans le trou.
PCT/KR2021/003685 2020-05-07 2021-03-25 Boulon d'ancrage de type écrou WO2021225277A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020200054583A KR102183879B1 (ko) 2020-05-07 2020-05-07 너트식 앙카볼트
KR10-2020-0054583 2020-05-07

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WO2021225277A1 true WO2021225277A1 (fr) 2021-11-11

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PCT/KR2021/003685 WO2021225277A1 (fr) 2020-05-07 2021-03-25 Boulon d'ancrage de type écrou

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WO (1) WO2021225277A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102183879B1 (ko) * 2020-05-07 2020-11-27 이순석 너트식 앙카볼트
EP4047265B1 (fr) * 2021-02-22 2023-08-02 Johannes Jungel-Schmid Dispositif de suspension pour suspendre des objets
KR102499791B1 (ko) * 2022-07-19 2023-02-14 류현미 장식판재가 장착된 장착패널 및 이를 이용한 시공방법
KR102639981B1 (ko) * 2023-03-23 2024-02-22 김승배 앙카볼트세트

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140003938A (ko) * 2012-07-02 2014-01-10 한생수 앵커 볼트
KR101575099B1 (ko) * 2014-08-07 2015-12-07 김이태 이지 앵커 볼트
KR101582258B1 (ko) * 2014-01-03 2016-01-04 최병현 세트 앵커 볼트
US20160017594A1 (en) * 2014-07-16 2016-01-21 SR Systems, LLC Anti-torsion anchor bolt
KR20180097038A (ko) * 2017-02-22 2018-08-30 이재업 건축외장재 설치구
KR102183879B1 (ko) * 2020-05-07 2020-11-27 이순석 너트식 앙카볼트

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101607815B1 (ko) 2015-09-15 2016-03-30 기세진 단열재 내장 건축물용 파이프형 앵글지지대 셋트 앙카볼트

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140003938A (ko) * 2012-07-02 2014-01-10 한생수 앵커 볼트
KR101582258B1 (ko) * 2014-01-03 2016-01-04 최병현 세트 앵커 볼트
US20160017594A1 (en) * 2014-07-16 2016-01-21 SR Systems, LLC Anti-torsion anchor bolt
KR101575099B1 (ko) * 2014-08-07 2015-12-07 김이태 이지 앵커 볼트
KR20180097038A (ko) * 2017-02-22 2018-08-30 이재업 건축외장재 설치구
KR102183879B1 (ko) * 2020-05-07 2020-11-27 이순석 너트식 앙카볼트

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