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WO2025095341A1 - Ensemble boulon d'ancrage - Google Patents

Ensemble boulon d'ancrage Download PDF

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Publication number
WO2025095341A1
WO2025095341A1 PCT/KR2024/013821 KR2024013821W WO2025095341A1 WO 2025095341 A1 WO2025095341 A1 WO 2025095341A1 KR 2024013821 W KR2024013821 W KR 2024013821W WO 2025095341 A1 WO2025095341 A1 WO 2025095341A1
Authority
WO
WIPO (PCT)
Prior art keywords
fixing
sleeve
hole
bolt
fixed
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.)
Pending
Application number
PCT/KR2024/013821
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English (en)
Korean (ko)
Inventor
이승열
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.)
HbengCoLtd
Original Assignee
HbengCoLtd
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 HbengCoLtd filed Critical HbengCoLtd
Publication of WO2025095341A1 publication Critical patent/WO2025095341A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the present invention relates to an anchor bolt assembly for fixing a fixed object by inserting it into a hole made in a concrete floor or wall, and more specifically, to an anchor bolt assembly that is firmly fixed without coming off from the hole by using a plurality of fixing clips and sleeve nuts.
  • An anchor bolt is a fixing means used to secure facilities or objects to concrete floors or walls. It is widely used to secure fixed objects in places that do not have supporting power on their own, such as rigid concrete.
  • a conventional anchor bolt comprises a fixing bolt, a sleeve fitted into the fixing bolt, and a washer and nut inserted into the fixing bolt exposed outside the hole.
  • the removable set anchor bolt of Korean Patent No. 10-1544516 is a device in which an elastic member is first inserted into a hole before installing the anchor bolt, and the elastic member is used when removing the anchor bolt.
  • the above sleeve has a cylindrical shape and has a number of cut grooves formed in the upper and lower directions at the lower end.
  • the concrete structure in which the anchor bolt is installed is not as strong as metal, so it can break.
  • the anchor bolt can widen the hole.
  • the fixed object is subjected to external force, the external force or vibration caused by the external force can be directly transmitted to the anchor bolt. Therefore, after a certain period of time, there is a problem in that the anchor bolt scratches the inner surface of the concrete hole, significantly reducing the adhesion with the hole, and eventually detaches.
  • the present invention has been made to solve the above problems, and the purpose of the present invention is to provide an anchor bolt assembly in which a fixing bolt is firmly attached to the inner surface of a hole at multiple points so as to firmly maintain a fastened state even when an external force is applied, and in which the external force transmitted to the fixing bolt is effectively distributed so as to prevent damage to a component due to the external force.
  • the anchor bolt assembly (1) of the present invention for implementing the purpose described above is an anchor bolt assembly (1) that is inserted and fixed into a hole (30) of a floor or a wall to fix a fixed object (40), and includes a fixed bolt (100) including a tapered portion (110) whose diameter gradually increases from the top to the bottom, a cylindrical shaft portion (120) extending vertically from the top of the tapered portion (110), a screw thread (130) formed on the outer circumferential surface of the shaft portion (120), and a head portion (140) formed on the top of the shaft portion (120) and which is a portion that is struck with a striking tool when the anchor bolt assembly (1) is inserted into the hole (30);
  • An upper sleeve (210) having a cylindrical shape and having a plurality of protrusions (211) formed circumferentially and spaced apart on an outer surface thereof to be in close contact with the inner surface of the hole (30), a lower sleeve (230) having a cylindrical shape having a diameter larger than that of
  • the fixing bolt (100) moves upwardly and at the same time as the sleeve nut (300) moves upwardly, the wing part (232) of the fixing clip (200) is spread outward by the sleeve nut (300) and the lower part of the wing part (232) is fixed in close contact with the inner surface of the hole (30), and at the same time as the fixing bolt (100) moves upwardly, the wing part (232) of the fixing clip (200-1) located at the lowest side among the plurality of fixing clips (200) inserted in multiple stages is spread outward by the tapered part (100) of the fixing bolt (100) and the lower part of the wing part (232) is fixed in close contact with the inner surface of the hole (30).
  • the fixing clip (200-3) located at the top has a washer nut (400) formed on the inner surface thereof with a screw tab (410) that is screw-connected to the screw thread (130) of the fixing bolt (100), so that the plurality of fixing clips (200) inserted in multiple stages and the plurality of sleeve nuts (300) are sequentially seated in the vertical direction by the screw-connection of the washer nut (400), and the position to which the fixing clip (200-3) located at the top moves upward is limited when striking for inserting the fixing bolt (100).
  • the distance (L1) at which the protruding surface (211a) of the protrusion (211) is spaced radially outward from the central axis (C) of the fixing bolt (100) may be formed to be greater than the distance (L2) at which the outer surface of the lower sleeve (230) of the fixing clip (200) is spaced radially outward from the central axis (C) of the fixing bolt (100).
  • the protrusion (211) formed on the upper sleeve (210) of the fixed clip (200) may have inclined surfaces (211b, 211c) formed on the upper and lower portions of the protrusion surface (211a) to contact the inner surface of the hole (30), respectively.
  • a rubber member (450) may be provided on the upper circumference of the fixing bolt (100) between the washer nut (400) and the fixed object (40).
  • the fixing bolt is firmly attached to a plurality of points on the inner surface of the hole, so that even if an external force is applied, the fixing bolt does not rotate and maintains the fixed state, and at the same time, the external force transmitted to the fixing bolt is effectively distributed, so that damage to the parts of the anchor bolt assembly and the inner surface of the hole due to the external force can be prevented, thereby improving the durability of the anchor bolt assembly.
  • the fixing clip can be effectively prevented from rotating and moving away from the fixed position, thereby firmly fixing the fixed object by the anchor bolt assembly.
  • a rubber member is provided on the upper circumference of the fixed bolt between the washer nut and the fixed object, and as the washer nut located below it moves upward in conjunction with the rotation of the fixed bolt, the rubber member contracts due to an upward force applied thereto, thereby increasing the frictional area and sealing the inner surface of the hole formed in the fixed object to block rainwater or contaminants.
  • Figure 1 is an exploded perspective view of an anchor bolt assembly according to a first embodiment of the present invention.
  • Figure 2 is a perspective view of a fixing clip provided in an anchor bolt assembly according to the first embodiment of the present invention.
  • Figure 3 is a front view of Figure 2;
  • Figure 4 is a plan view of Figure 2;
  • Figure 5 is a bottom view of Figure 2;
  • Figure 6 is a drawing showing the initial state of installation in which the anchor bolt assembly according to the first embodiment of the present invention is inserted into the hole of the support.
  • Figure 7 is a drawing showing the state in which the anchor bolt assembly according to the first embodiment of the present invention is installed after being inserted into the hole of the support and fixed by the rotation of the nut.
  • Figure 8 is an exploded perspective view of an anchor bolt assembly according to a second embodiment of the present invention.
  • Figure 9 is a drawing showing the initial state of installation of an anchor bolt assembly according to the second embodiment of the present invention, inserted into a hole of a support.
  • FIG. 10 is a drawing showing the state in which the anchor bolt assembly according to the second embodiment of the present invention is installed after being inserted into a hole of a support and fixed by rotation of a nut.
  • Protruding surface 211b Upper slope
  • an anchor bolt assembly (1) is a device for fixing a fixed object (40) to a support (10) by being inserted into and fixed in a hole (30) of a support (10) such as a concrete (20) floor or wall.
  • the above anchor bolt assembly (1) includes a fixing bolt (100) inserted into the hole (30), a plurality of fixing clips (200; 200-1, 200-2, 200-3) fitted in multiple stages to the fixing bolt (100), a plurality of sleeve nuts (300; 300-1, 300-2) fitted in multiple stages to the fixing bolt (100) so as to be positioned between the plurality of fixing clips (200; 200-1, 200-2, 200-3), and a nut (600) screw-connected to the upper portion of the fixing bolt (100) to fix the fixed object (40) to the support (10).
  • the anchor bolt assembly (1) includes a washer nut (400) that limits the upward movement of the uppermost fixing clip (200-3) among the plurality of fixing clips (200; 200-1, 200-2, 200-3), and a washer (500) that is provided between the nut (600) and the fixed object (40) to prevent deformation of the fixed object (40) by lowering the surface pressure applied to the fixed object (40) when the nut (600) rotates.
  • a washer nut (400) that limits the upward movement of the uppermost fixing clip (200-3) among the plurality of fixing clips (200; 200-1, 200-2, 200-3)
  • a washer (500) that is provided between the nut (600) and the fixed object (40) to prevent deformation of the fixed object (40) by lowering the surface pressure applied to the fixed object (40) when the nut (600) rotates.
  • the fixed bolt (100) includes a tapered portion (110), a shaft portion (120), a screw thread (130), and a head portion (140).
  • the above-mentioned tapered portion (110) is formed at the lower portion of the fixed bolt (100), and is formed in a shape in which the diameter gradually increases from the top to the bottom, so that, as described below, the fixed clip (200-1) located at the lowest side among the plurality of fixed clips (200; 200-1, 200-2, 200-3) is supported so as not to move downward, and at the same time, the wing portion (232) formed on the fixed clip (200-1) is spread outward in the radial direction so that the inner surface of the hole (30) is in close contact with it.
  • the above-mentioned shaft portion (120) is formed in a cylindrical shape extending vertically from the upper end of the above-mentioned tapered portion (110).
  • the screw thread (130) is formed on the outer surface of the above-mentioned shaft portion (120) and is screw-connected with screw tabs (320, 410, 610) formed on the inner surface of the sleeve nut (300; 300-1, 300-2) and the washer nut (400) and the nut (600), respectively.
  • the above-mentioned head portion (140) is a portion corresponding to the upper end of the shaft portion (120) and is a portion that is struck with a striking tool such as an anchor punch when inserting the fixing bolt (100) into the inner side of the hole (30).
  • the fixing clip (200; 200-1, 200-2, 200-3) has a through hole (200a) formed in the interior of a cylindrical shape and includes an upper sleeve (210), a middle portion (220), and a lower sleeve (230).
  • the upper sleeve (210) is formed in a cylindrical shape, and on the outer surface, a plurality of protrusions (211) are formed spaced apart in the circumferential direction to be in close contact with the inner surface of the hole (30).
  • the plurality of protrusions (211) are formed in four positions spaced apart in the circumferential direction on the outer surface of the upper sleeve (210), but the number may be modified to a different number.
  • the protrusion (211) can be processed by applying pressure from the inner side to the outer side of the upper sleeve (210) through press processing.
  • the above protrusion (211) is composed of a protrusion surface (211a) that protrudes radially outward, an upper inclined surface (211b) formed on the upper side of the protrusion surface (211a), and a lower inclined surface (211c) formed on the lower side of the protrusion surface (211a).
  • the fixing bolt (100) When the fixing bolt (100) is inserted into the inside of the hole (30) with a plurality of fixing clips (200) and a plurality of sleeve nuts (300) alternately fitted into the fixing bolt (100), the protruding surface (211a) of the protrusion (211) formed on the upper sleeve (210) of the fixing clip (200) is pressed into the inner surface of the hole (30), so that the fixing clip (200) can be fixed while preventing rotation.
  • the distance (L1) at which the protruding surface (211a) of the protrusion (211) is spaced radially outward from the central axis (C) of the fixing bolt (100) is formed to be larger by a predetermined clearance (G) than the distance (L2) at which the outer surface of the lower sleeve (230) of the fixing clip (200) is spaced radially outward from the central axis (C) of the fixing bolt (100), and the inner diameter of the hole (30) is formed to be larger than the outer diameter of the lower sleeve (230).
  • the distance (L1) at which the protruding surface (211a) of the protrusion (211) is spaced radially outward from the central axis (C) of the fixing bolt (100) may be formed to be slightly larger than the radius of the hole (30). Therefore, when the fixed clip (200) is inserted into the inside of the hole (30), the outer surface of the lower sleeve (230) does not come into contact with the inner surface of the hole (30), but the protrusion (211) formed on the upper sleeve (210) comes into contact with it.
  • the inner diameter of the hole (30) may be formed as 11 mm, the diameter of the lower sleeve (230) as 10 mm, and the diameter of the upper sleeve (210) including the protrusion (211) as 11.5 mm.
  • the fixed clip (200; 200-1, 200-2, 200-3) can be smoothly inserted along the inner surface of the hole (30), and during the insertion process, the protrusion (211) can be firmly fixed by being compressed and deformed radially inwardly, so that even if an external force is applied after the fixed clip (200; 200-1, 200-2, 200-3) is fixed, it can maintain the fixed state without being rotated arbitrarily.
  • the above middle portion (220) connects the upper sleeve (210) and the lower sleeve (230) and is formed in a tapered shape with a diameter that gradually increases toward the lower sleeve (230).
  • the lower sleeve (230) is formed in a cylindrical shape having a diameter larger than that of the upper sleeve (210) and includes a plurality of wing parts (232) formed by a plurality of cut parts (231) formed at positions spaced apart in the circumferential direction.
  • the above-mentioned cut portion (231) is formed to have a predetermined width in the vertical direction from the lower end of the middle portion (220) to the lower end of the lower sleeve (230).
  • the wing portion (232) By forming a plurality of cut portions (231) in the lower sleeve (230), the wing portion (232) has its upper end fixed to the lower end of the middle portion (220) and its lower end provided as a free end that is not fixed, so that when the tapered portion (110) of the fixing bolt (100) and the sleeve nut (300; 300-1, 300-2) come into contact with the inner surface of the wing portion (232) and move upward, the wing portion (232) can be fixed in close contact with the inner surface of the hole (30) by the force of the tapered portion (110) and the sleeve nut (300; 300-1, 300-2) pushing outward, while spreading outward in the radial direction.
  • the plurality of cut portions (231) and wing portions (232) are each formed as four, but the number may be modified to a different number.
  • the sleeve nut (300; 300-1, 300-2) is positioned between a plurality of fixing clips (200) and is fitted in multiple stages to the fixing bolt (100).
  • the upper diameter is formed smaller than the diameter of the lower sleeve (230), and has a tapered shape in which the diameter of the outer surface gradually increases from the upper side to the lower side.
  • a cylindrical through hole (310a) having the same inner diameter is formed on the inner side of the body (210) of the sleeve nut (300; 300-1, 300-2), and a screw tap (320) that is screw-connected to the screw thread (130) of the fixing bolt (100) is formed on the inner surface of the body (210) of the sleeve nut (300; 300-1, 300-2).
  • the above sleeve nut (300; 300-1, 300-2) has a body part (310) formed with an inclined surface on the outer surface, so that the wing part (232) formed on the remaining fixing clips (200-2, 200-3) except for the fixing clip (200-1) located at the lowest side among the plurality of fixing clips (200; 200-1, 200-2, 200-3) spreads outward in the radial direction to ensure that the inner surface of the hole (30) is in close contact.
  • a screw tab (410) that is screw-connected to the screw thread (130) of the fixing bolt (100) is formed on the inner surface of the washer nut (400), and when the head (140) of the fixing bolt (100) is struck with an anchor punch to insert the fixing bolt (100), the position in which the fixing clip (200-3) located at the uppermost side among the plurality of fixing clips (200; 200-1, 200-2, 200-3) moves upward is restricted, thereby ensuring that the fixing clip (200; 200-1, 200-2, 200-3) does not disengage upward and can be stably inserted into the inside of the hole (30).
  • a screw tab (610) is formed that is screw-connected to a screw thread (130) formed on the upper portion of a fixed bolt (100) that protrudes upward through the above fixed object (40).
  • a hole (30) is drilled into a concrete (20) floor or wall using a tool such as a drill, and then a plurality of fixing clips (200; 200-1, 200-2, 200-3) and a plurality of sleeve nuts (300; 300-1; 300-2) are alternately fitted onto a fixing bolt (100).
  • the lowermost fixing clip (200-1) is inserted into the fixing bolt (100) so as to be seated in the tapered portion (110) of the fixing bolt (100), the sleeve nut (300-1) located at the lower side is inserted into the fixing bolt (100) so as to be seated in the upper part of the fixing clip (200-1) by screwing, the fixing clip (200-2) located in the middle is inserted into the fixing bolt (100) so as to be seated in the upper part of the fixing clip (200-2) by screwing, and the fixing clip (200-3) located at the upper side is inserted into the fixing bolt (100) so as to be seated in the upper part of the fixing clip (200-2).
  • the head (140) of the fixing bolt (100) is struck downward using a striking tool such as an anchor punch to insert the fixing bolt (100) into the hole (30).
  • the anchor punch is struck until the height of the washer nut (400) is positioned at a predetermined depth with respect to the support (10), so that the fixing bolt (100) is inserted into the hole (30).
  • the washer nut (400) prevents the fixed clip (200-3) located at the top from rising upward.
  • the upper part of the fixed bolt (100) is passed through the fixed object (40), a washer (500) is fitted on the upper part of the fixed bolt (100) protruding from the upper side of the fixed object (40), and a nut (600) is screwed on.
  • the fixed bolt (100) screwed into the nut (600) moves upward while moving relative to the fixed bolt (100), and at the same time, the plurality of sleeve nuts (300; 300-1, 300-2) and washer nuts (400) screwed into the fixed bolt (100) also move upward together.
  • the wing part (232) of the fixed clip (200-1) located at the lowest side among the plurality of fixed clips (200) inserted in the multi-stage receives an upward and outward force by the tapered part (110) of the fixed bolt (100), and thus spreads outward in the radial direction, so that the lower end of the wing part (232) of the fixed clip (200-1) can be fixed in close contact with the inner surface of the hole (30).
  • the wing part (232) of the fixed clip (200-2, 200-3) located in the middle and uppermost side receives an upward and outward force by the sleeve nut (300; 300-1, 300-2), and thus spreads outward in the radial direction, so that the lower end of the wing part (232) of the fixed clip (200-2, 200-3) can be fixed in close contact with the inner surface of the hole (30).
  • the washer nut (400) screwed onto the fixing bolt (100) also moves upward together with the fixing bolt (100), and the upper part of the fixing clip (200-3) located at the uppermost side can be fixed without moving beyond a position where it contacts the lower surface of the washer nut (400).
  • the upper inclined surface (211b) formed on the protrusion (211) of the fixing clip (200-3) can be firmly fixed by moving along the inner surface of the hole (30) to a predetermined height and then coming into close contact with the inner surface of the hole (30).
  • the fixing bolt (100) is firmly attached at a plurality of points on the inside of the hole (30) so that even if an external force is applied, it does not rotate and maintains the fastened state, and at the same time, the external force transmitted to the fixing bolt (100) is effectively distributed, so that damage to the components of the anchor bolt assembly (10) and the inside of the hole (30) due to the external force can be prevented, thereby improving the durability of the anchor bolt assembly (1).
  • the fixing clip (200; 200-1, 200-2, 200-3) when the fixing clip (200; 200-1, 200-2, 200-3) is inserted into the hole (30), the protrusion (211) formed on the upper sleeve (210) is in close contact with the inner surface of the hole (30), so that even if an external force is applied to the fixing clip (200; 200-1, 200-2, 200-3), the fixing clip (200; 200-1, 200-2, 200-3) can be effectively prevented from rotating and moving away from the fixed position, thereby firmly fixing the fixed object (40) by the anchor bolt assembly (1).
  • the number of fixing clips (200) and sleeve nuts (300) can be adjusted according to the field conditions depending on the length of the fixing bolt (100), so that the tensile strength can be appropriately maintained and the influence of vibration can be minimized.
  • an anchor bolt assembly (1-1) includes all of the configurations of the first embodiment described above, and additionally provides a rubber member (450) between a washer nut (400) and a washer (500).
  • the fixing member (450) is provided on the upper circumference of the fixing bolt (100) between the washer nut (400) and the fixed object (40).
  • the above rubber member (450) has an advantage in that it can block rainwater or contaminants by contracting and increasing the frictional area due to the upward force applied as the washer nut (400) located on the lower side thereof moves upward in conjunction with the rotation of the fixed bolt (100) and adheres closely to the inner surface of the hole formed in the fixed object (40).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Dowels (AREA)

Abstract

Un mode de réalisation d'un ensemble boulon d'ancrage selon l'invention comprend : un boulon de fixation comprenant une partie effilée ayant un diamètre augmentant progressivement de haut en bas, une partie arbre cylindrique s'étendant verticalement à partir d'une extrémité supérieure de la partie effilée, et des filetages de vis formés sur une surface circonférentielle externe de la partie arbre ; un manchon supérieur de forme cylindrique et ayant une pluralité de saillies formées circonférentiellement espacées les unes des autres sur une surface externe de celui-ci de façon à être en contact étroit avec une surface interne d'un trou ; un manchon inférieur de forme cylindrique ayant un diamètre supérieur au diamètre du manchon supérieur et comprenant une pluralité de parties d'aile formées par une pluralité de parties découpées formées à des positions espacées les unes des autres dans la direction circonférentielle ; et une partie intermédiaire effilée reliant le manchon supérieur et le manchon inférieur et ayant un diamètre augmentant progressivement vers le manchon inférieur.
PCT/KR2024/013821 2023-11-02 2024-09-11 Ensemble boulon d'ancrage Pending WO2025095341A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20-2023-0002223 2023-11-02
KR2020230002223U KR200498294Y1 (ko) 2023-11-02 2023-11-02 앙카볼트 조립체

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WO2025095341A1 true WO2025095341A1 (fr) 2025-05-08

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PCT/KR2024/013821 Pending WO2025095341A1 (fr) 2023-11-02 2024-09-11 Ensemble boulon d'ancrage

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WO (1) WO2025095341A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200498294Y1 (ko) * 2023-11-02 2024-08-28 에이치비이엔지 주식회사 앙카볼트 조립체

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060015411A (ko) * 2004-12-07 2006-02-17 (주)대동석재공업 다중 앵커 볼트 세트
JP2010203097A (ja) * 2009-03-02 2010-09-16 Masato Sugano 壁面ボルト固定部材とその取り付け工法
KR101139947B1 (ko) * 2011-11-30 2012-04-30 전철수 앵커장치
KR20170100095A (ko) * 2016-02-24 2017-09-04 대천볼트(주) 앵커볼트 조립체
KR200498294Y1 (ko) * 2023-11-02 2024-08-28 에이치비이엔지 주식회사 앙카볼트 조립체

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060015411A (ko) * 2004-12-07 2006-02-17 (주)대동석재공업 다중 앵커 볼트 세트
JP2010203097A (ja) * 2009-03-02 2010-09-16 Masato Sugano 壁面ボルト固定部材とその取り付け工法
KR101139947B1 (ko) * 2011-11-30 2012-04-30 전철수 앵커장치
KR20170100095A (ko) * 2016-02-24 2017-09-04 대천볼트(주) 앵커볼트 조립체
KR200498294Y1 (ko) * 2023-11-02 2024-08-28 에이치비이엔지 주식회사 앙카볼트 조립체

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