WO2022265424A1 - Manchon de type à déploiement, boulon d'ancrage et ancre de fixation - Google Patents

Manchon de type à déploiement, boulon d'ancrage et ancre de fixation Download PDF

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Publication number
WO2022265424A1
WO2022265424A1 PCT/KR2022/008537 KR2022008537W WO2022265424A1 WO 2022265424 A1 WO2022265424 A1 WO 2022265424A1 KR 2022008537 W KR2022008537 W KR 2022008537W WO 2022265424 A1 WO2022265424 A1 WO 2022265424A1
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WO
WIPO (PCT)
Prior art keywords
installation hole
pressure head
wall
pressing
expansion groove
Prior art date
Application number
PCT/KR2022/008537
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English (en)
Korean (ko)
Inventor
문철식
Original Assignee
문철식
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 문철식 filed Critical 문철식
Priority to CN202280042279.2A priority Critical patent/CN117480302A/zh
Publication of WO2022265424A1 publication Critical patent/WO2022265424A1/fr

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    • 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

Definitions

  • the present invention relates to anchors, and more particularly to deployable sleeves, anchor bolts, and set anchors used in construction for fixing fixtures to concrete or reinforced concrete.
  • set anchors include bolts, pipes, flat washers, spring washers and nuts.
  • the set anchor described above is constructed by drilling a hole in a wall or floor, inserting a pipe fastened with a bolt into the hole, and hitting the pipe with a punch.
  • the bolt is constructed to be exposed to a certain length from the wall or floor in consideration of the thickness of the fixture.
  • the fixture is disposed so that the exposed bolt passes through its through hole, and the nut is coupled to the end of the bolt, thereby completing the construction of the set anchor.
  • set anchors In general, in a construction site, set anchors are generally used in multiple locations to install one fixture. Therefore, set anchors must be constructed so that the length of bolts exposed to the wall or floor is consistent.
  • the conventional set anchor has a different shape remaining on the fixture for each position after fixing the fixture as the length of the exposed bolt is non-uniform. Therefore, the aesthetic sense exposed after construction is inferior.
  • the conventional set anchor has difficulty in re-construction when the hole is widened due to vibration or the like and the fastening state is relaxed.
  • the conventional set anchor has a structure in which the pipe is coupled to the lower part of the hole while being widened. Therefore, since the conventional set anchor provides seismic resistance that depends only on the opening of the pipe, there is a limit to providing sufficient seismic resistance to the fixture.
  • such a conventional anchor set includes a bolt rod 110 having a threaded portion and having a tapered portion extending at an end portion, and a bolt rod 110 inserted into the bolt rod 110 and hitting the bolt rod 110 It is composed of a wedge pipe 120 having an incision 121 formed in a part of the body so that its diameter can be expanded by the expanded paper portion at the end of the pipe.
  • the construction method of the anchor set is as follows.
  • the bolt rod 110 is inserted into the wedge pipe 120, and the bolt rod 110 inserted into the wedge pipe 120 is inserted into the anchor hole.
  • a tool in the form of a pipe is used to contact the outer end of the wedge pipe 120, and then the tool is struck.
  • the incision of the wedge pipe 120 is incised by the tapered portion of the bolt rod 110 and the diameter is expanded, and the expanded wedge pipe 120 is attached to the anchor hole. It is fixed, and accordingly, the bolt rod 110 is also fixed to the anchor ball together with the chain pipe 120.
  • Patent Document 0001 Patent Registration No. 10-2061601 ⁇ registration date: December 26, 2019 ⁇
  • concavo-convex protrusions are formed on the inner wall to surround anchor bolts without the need to use pipe-type tools, and are deployed toward the concrete structure by the pressing head of the anchor bolts, and by external force or nut tightening, on the side of the installation hole of the concrete structure. Its purpose is to provide a deployable sleeve that is dug in and fixed.
  • Another object of the present invention is that the threaded portion is tightened by a nut and wrapped by concave-convex protrusions formed on the inner wall of a deployable sleeve having a length and an outer diameter corresponding to the depth and diameter of an installation hole drilled in a concrete structure, and external force Alternatively, to provide an anchor bolt that pressurizes and expands the deployable sleeve by the pressure head when tightening the nut and inserts it into the side of the installation hole to fix it.
  • Another object of the present invention is to wrap the concave-convex protrusion formed on the inner wall of a deployable sleeve having a length and outer diameter corresponding to the depth and diameter of the installation hole drilled in the concrete structure, in which the threaded portion is tightened and fastened by a nut,
  • An object of the present invention is to provide a set anchor that pressurizes and expands a deployable sleeve by an external force or tightens a nut when fastening a fixture to the ground or a concrete structure and inserts it into the side of an installation hole to fix it.
  • the deployable sleeve according to the present invention includes an inner wall and an outer wall having a length and an outer diameter corresponding to the depth and diameter of an installation hole drilled in a concrete structure, and concavo-convex protrusions are formed in the longitudinal direction of the anchor bolt on the inner wall to form an anchor bolt. It is characterized in that it is wrapped around and deployed toward the concrete structure by the pressing head of the anchor bolt, and is fixed by digging into the side of the installation hole by external force or tightening a nut.
  • the outer diameter of the inner wall has a size of 12 mm to 14 mm, the uneven thickness has a thickness of 25 mm to 30 mm, the outer wall is closely fixed to the installation hole, and the step portion and the tip are at the top and bottom of the inner wall.
  • Each of the expansion grooves is formed, and an intermediate expansion groove may be formed between the stepped portion and the front end expansion groove.
  • the anchor bolt according to the present invention has a threaded portion formed on the upper side and tightened by a nut, and has a length and an outer diameter corresponding to the depth and diameter of an installation hole drilled in a concrete structure. It is characterized in that the deployment type sleeve is pressurized and expanded by a pressure head when an external force or nut is tightened and inserted into the side surface of the installation hole to be fixed.
  • An upwardly inclined protrusion whose outer surface is inclined upward and is formed on the upper end of the screwed portion by a driving tool, the pressing head is inserted to maintain a space between the tip expansion groove of the expandable sleeve, and the A downwardly inclined projection protruding obliquely downward from one end of the upwardly inclined projection is provided so that the lower end of the deployable sleeve is pressurized and expanded so that the shape of the space is distorted so that the tip reaches the lower end of the installation hole, and the pressing projection reaches the screw part.
  • the set anchor according to the present invention has an inner wall and an outer wall having a length and an outer diameter corresponding to the depth and diameter of an installation hole drilled in a concrete structure, and concavo-convex protrusions are formed in the longitudinal direction of the anchor bolt on the inner wall to surround the anchor bolt.
  • a deployable sleeve that is deployed towards the concrete structure and is fixed by digging into the side surface of the installation hole by external force or tightening a nut; and a bolt having a threaded portion formed thereon, fastened by a nut, wrapped by the concave-convex protrusion, pressurized and expanded by a pressure head by an external force or a nut when the nut is tightened, and fixed to a side surface of the installation hole. It is characterized by doing.
  • concavo-convex protrusions are formed in the longitudinal direction of the anchor bolt with an outer diameter of 13 mm and an inner diameter of 13 mm, wrapping the anchor bolt and unfolding by the pressing head of the anchor bolt. It expands with a short movement of the bolt and is firmly fixed in a deeper place. Even if the shape of the deployable sleeve does not apply a blow, the inner and outer parts of the deployable sleeve match the outer end of the perforated hole, or it is tightened with a nut even if it goes inside. When the bolt is pulled up while touching the washer on the outside of the deployable sleeve, the inclined surface of the head of the anchor bolt and the mobile carrier dragged by it are shortened and fixed deeper.
  • the pressing head of the anchor bolt, the side wall of the deployable sleeve, and the inner wall of the installation hole are in close contact with each other in a pressurized state, so that the anchor bolt is fixed to the inside of the hole.
  • the gap between the installation hole and the deployable sleeve is minimized, and shaking or vibration of the deployable sleeve is suppressed, enabling more stable, solid and precise installation.
  • FIG. 1 is a cross-sectional view showing a set anchor according to the present invention.
  • FIG. 2 is a cross-sectional view showing the dimensions of each part of the set anchor shown in FIG. 1;
  • FIG. 3 is an exploded perspective view of the deployable sleeve shown in FIG. 1;
  • Figure 4 is a cross-sectional view of the bolt shown in Figure 1;
  • FIG. 5 is a cross-sectional view showing a state in which the set anchor shown in FIG. 1 is inserted into a concrete structure.
  • Fig. 6 is a cross-sectional view of an installation state after tightening by a nut in the state of Fig. 5;
  • FIG. 7 is a cross-sectional view of an installed state after being hit by a hammer in FIG. 5 .
  • Fig. 8 is a cross-sectional view of the installation state after tightening with a nut in the state of Fig. 7;
  • FIG. 9 is a view showing an anchor set according to the prior art.
  • pressing head 710 upward inclined projection
  • the deployable sleeve, anchor bolt, and set anchor of the present invention have a threaded portion formed on the upper side and tightened by a nut, and have a length and outer diameter corresponding to the depth and diameter of an installation hole drilled in a concrete structure. It is wrapped by concave-convex protrusions formed on the inner wall, pressurizes and expands the deployable sleeve by a pressure head when an external force or nut is tightened, inserts it into the side of the installation hole, and fixes it, and the tableting part is tableted by a driving tool at the top.
  • the pressure head is inserted to maintain a space between the front end expansion groove of the deployable sleeve, and an upwardly inclined protrusion whose outer surface protrudes obliquely upward and obliquely protrudes downward from one end of the upwardly inclined projection.
  • the lower end of the deployable sleeve is pressurized and expanded so that the shape of the space is distorted, and the tip reaches the lower end of the installation hole, and the press protrusion is formed between the threaded part and the press head to expand the outer diameter of the press head.
  • FIG. 1 is a cross-sectional view showing a set anchor according to the present invention
  • FIG. 2 is a cross-sectional view showing the dimensions of each part of the set anchor shown in FIG. 1
  • FIG. 3 is an exploded perspective view of the deployable sleeve shown in FIG. 1
  • Figure 4 is a cross-sectional view of the bolt shown in Figure 1;
  • a close-fitting set anchor includes a deployable sleeve 100 and an anchor bolt 600.
  • the deployable sleeve 100 has an inner wall 200 and an outer wall 500 having a length and an outer diameter (13 mm) corresponding to (matching) the depth and diameter of the installation hole 20 drilled in the concrete structure 10,
  • a concave-convex protrusion 205 having a thickness of (2.75 mm) is formed in the longitudinal direction of the anchor bolt 600 to surround the bolt 600 by the pressing head 700 of the anchor bolt 600. It is deployed toward the concrete structure 10, and is fixed by digging into the side of the installation hole 20 by external force or tightening a nut.
  • the outer wall 500 is closely fixed to the installation hole 20, and a stepped portion 220 and a tip expansion groove 210 are formed at the upper and lower ends of the inner wall 200, respectively, and the stepped portion 220 And a middle expansion groove 230 is formed between the front end expansion groove 210.
  • the anchor bolt 600 has a threaded portion 900 formed on the upper side and tightened by the nut 1000, and has a length and outer diameter (13 mm) corresponding to the depth and diameter of the installation hole 20 drilled in the concrete structure 10 It is wrapped by the uneven protrusion 205 having a thickness of (2.5 to 3.0 mm) formed on the inner wall 200 of the deployable sleeve 100 having a (100) is pressurized and expanded and inserted into the side surface of the installation hole (20) to fix it.
  • a tableting part 950 driven by a driving tool 70 is formed on the threaded part 800 at the upper end, and the pressure head 700 is positioned between the front end expansion groove 210 of the deployable sleeve 100.
  • An upwardly inclined projection 710 inserted to maintain the space 218 and inclined upwardly at an angle of 110° to 120° on an outer surface and inclined downwardly at an angle of 110° to 120° from one end of the upwardly inclined projection 710.
  • the protruding downward inclined projections 720 are provided so that the shape of the space 218 is distorted, that is, the upward and downward inclined projections 710 and 720 of the pressing head 700 in a rhombus shape of the front end expansion groove 210 While pressing and expanding the lower end of the deployable sleeve 100 in a state of changing to a shape corresponding to ), the tip reaches the lower end 30 of the installation hole 20.
  • the pressure protrusion 800 extends vertically from the side of the pressure head 700 so as to have the same outer diameter as the outer diameter of the pressure head 700 between the screw part 900 and the pressure head 700, and the screw part 900 ) It is formed obliquely upward from the side and is closely inserted into the intermediate expansion groove 300 to pressurize and expand the deployable sleeve 100 when the pressure head 700 moves in the direction of the installation hole 20 by the external force, , When the nut is tightened, the pressing projection 800 is caught on the inclined surface 232 of the intermediate expansion groove 230 to prevent upward departure from the intermediate expansion groove 230 of the pressing projection 800.
  • FIG. 5 is a cross-sectional view showing a state in which the set anchor shown in FIG. 1 is inserted into a concrete structure.
  • Fig. 6 is a cross-sectional view of an installation state after tightening by a nut in the state of Fig. 5;
  • the installation hole 20 is drilled in the concrete structure 10 by a drill 1 to 2 mm wider than the anchor (not shown).
  • the bolt 600 is unfolded in a state where the pressure head 700 and the pressure protrusion 800 of the bolt 600 are inserted into the front end expansion groove 210 and the middle expansion groove 230 of the deployable sleeve 100, respectively.
  • the lower end of the molded sleeve 100 is inserted until it touches the lower end of the installation hole 20, there is a space (gap) between the concrete structure 10, the tip of the bolt 100, and the inner wall of the deployable sleeve 100. (50) is formed.
  • the expandable sleeve 100 is pressurized and expanded by the pressure head 700 and is driven into the side surface of the installation hole 20 to be fixed, and when the bolt 100 is pulled up, pressurized.
  • the moving distance dragged by the upwardly inclined projections 710 and downwardly inclined projections 720 of the head 700 is short, so that the head 700 is expanded and fixed in a deep place to prevent separation.
  • FIG. 7 is a cross-sectional view of an installed state after being hit by a hammer in FIG. 5 .
  • an installation hole 20 is drilled in the concrete structure 10 by a drill (not shown).
  • the pressing protrusion 800 presses (downwardly) the middle portion of the deployable sleeve 100 by an external force (hit) to expand the middle portion of the inner wall 200 of the deployable sleeve 100 (bolt ( 600), the deployable sleeve 100, and the concrete structure 100 are tightly fixed in a manner that increases the bonding force) at the same time so that the pressure head 700 distorts the shape of the space 218, that is, the tip expansion groove 210 While pressing and expanding the lower end of the deployable sleeve 100 in a state in which the groove shape of ) is changed from a rhombic shape to a shape corresponding to the upwardly and downwardly inclined projections 710 and 720 of the pressing head 700, the pressing protrusion 700 ) reaches the lower end of the installation hole 20.
  • Fig. 8 is a cross-sectional view of the installed state after tightening with a nut in the state of Fig. 7;
  • a repulsive force acts along the downward inclined surface 212 of the front end expansion groove portion 210, so that the upwardly inclined projection of the pressing head 700 ( 710) is caught on the straight side 216 and the downward sloped surface 212 of the front end expansion groove 210, and the inclined surface of the intermediate expansion groove 230 in response to departure from the intermediate expansion groove 230 of the pressing protrusion 800 ( 232), the pressure protrusion 800 is caught on the inclined surface 232 of the intermediate extension groove 230 by acting along the 232) to prevent the bolt 600 from being separated from the deployable sleeve 100.
  • the gap between the installation hole and the deployable sleeve is minimized and deployed due to the deployable sleeve structure corresponding to the cross-sectional shape of the installation hole of the structure. It is an invention with very high industrial applicability because it can enable more stable, solid and precise installation because the shaking or vibration of the molded sleeve is suppressed.

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

Abstract

La présente invention concerne un manchon de type à déploiement, un boulon d'ancrage, et une ancre de fixation, le manchon de type à déploiement étant formé de façon à avoir, sans utiliser d'outil en forme de tuyau, des saillies concavo-convexes formées sur la paroi interne et entourant le boulon d'ancrage de façon à être déployé vers une structure en béton par une tête de pression du boulon d'ancrage et étant incorporé et fixé dans la surface latérale d'un trou d'installation de la structure en béton en raison de la force externe ou de la fixation d'écrou. Le manchon de type à déploiement comprend une paroi interne et une paroi externe ayant la longueur et le diamètre externe correspondant à la profondeur et au diamètre du trou d'installation perforé dans la structure en béton. Les saillies concavo-convexes sont formées sur la paroi interne dans la direction longitudinale du boulon d'ancrage et entourent le boulon d'ancrage, et ainsi, le manchon de type à déploiement est déployé vers la structure en béton en raison de la tête de pression du boulon d'ancrage et est ensuite intégré et fixé dans la surface latérale du trou d'installation en raison de la force externe ou de la fixation d'écrou.
PCT/KR2022/008537 2021-06-17 2022-06-16 Manchon de type à déploiement, boulon d'ancrage et ancre de fixation WO2022265424A1 (fr)

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Application Number Priority Date Filing Date Title
CN202280042279.2A CN117480302A (zh) 2021-06-17 2022-06-16 展开式套筒、地脚螺栓及成套锚栓

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KR10-2021-0078552 2021-06-17
KR1020210078552A KR102378511B1 (ko) 2021-06-17 2021-06-17 전개형 슬리브, 앵커 볼트, 및 세트 앵커

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Publication number Priority date Publication date Assignee Title
KR102378511B1 (ko) * 2021-06-17 2022-03-23 문철식 전개형 슬리브, 앵커 볼트, 및 세트 앵커

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002181017A (ja) * 2000-12-18 2002-06-26 Japan Drive-It Co Ltd 拡開アンカ
KR100625534B1 (ko) * 2005-05-12 2006-09-20 황인규 앵커볼트 조립체
KR101691770B1 (ko) * 2016-06-22 2016-12-30 채원식 건축용 앵커
KR20200078160A (ko) * 2018-12-21 2020-07-01 이승우 앵커볼트 타격용 비트
KR102232854B1 (ko) * 2020-06-17 2021-03-26 단국대학교 산학협력단 다수의 확장슬리브를 포함하는 앵커
KR102378511B1 (ko) * 2021-06-17 2022-03-23 문철식 전개형 슬리브, 앵커 볼트, 및 세트 앵커

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102061601B1 (ko) 2019-04-12 2020-01-02 윤대영 스터드 앙카세트

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002181017A (ja) * 2000-12-18 2002-06-26 Japan Drive-It Co Ltd 拡開アンカ
KR100625534B1 (ko) * 2005-05-12 2006-09-20 황인규 앵커볼트 조립체
KR101691770B1 (ko) * 2016-06-22 2016-12-30 채원식 건축용 앵커
KR20200078160A (ko) * 2018-12-21 2020-07-01 이승우 앵커볼트 타격용 비트
KR102232854B1 (ko) * 2020-06-17 2021-03-26 단국대학교 산학협력단 다수의 확장슬리브를 포함하는 앵커
KR102378511B1 (ko) * 2021-06-17 2022-03-23 문철식 전개형 슬리브, 앵커 볼트, 및 세트 앵커

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KR102378511B1 (ko) 2022-03-23

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