Anchor that is easy to fix the threaded rod

Abstract

The present invention relates to an anchor that facilitates the fastening of a threaded bolt. The purpose of the invention is to provide an anchor that facilitates the fastening of a threaded bolt by configuring a member that simultaneously satisfies the function of a bolt portion of the anchor installed on the anchor bolt and a connecting nut connecting the threaded bolt, thereby reducing the length of the connecting nut by half, which enables a reduction in manufacturing costs and simplification of installation. This includes a fastening member having a male threaded portion formed on the upper part and a connecting nut portion formed on the lower part to which a threaded bolt is coupled; an expansion sleeve formed in the shape of a pipe that is coupled to the outer diameter of the male threaded portion and has at least two expansion sections formed by a plurality of cut sections formed in the vertical direction; and an expansion cone having a female thread formed on the inner diameter corresponding to the male threaded portion and a tapered portion formed on the outer diameter that tapers downwardly and inwardly. When the connecting nut portion is rotated while the fastening member, expansion sleeve, and expansion cone are coupled to an anchor hole formed in a concrete layer, the expansion cone coupled to the male threaded portion is tightened, thereby expanding and fixing the expansion sections of the expansion sleeve.

Description

Technology Field

[0001] The present invention relates to an anchor that facilitates the fastening of threaded bolts, and more specifically, to an anchor that facilitates the fastening of threaded bolts by configuring a member that simultaneously satisfies the function of a connecting nut connecting a bolt portion of an anchor installed on an anchor bolt and a threaded bolt, thereby reducing the length of the connecting nut by half, which enables a reduction in manufacturing costs and simplification of installation. Background Technology

[0002] Generally, an anchor bolt is composed of a long bolt rod having a threaded section, a wedge tube (expansion sleeve or expansion cap) fitted onto the bolt rod and having a part of its body cut out so that its diameter can be expanded by the end of the bolt rod, and a fastening nut that is fastened to the threaded section.

[0003] These anchor bolts are fixed to anchor holes formed in the floor, walls, or ceilings of concrete layers to attach various facilities.

[0004] In addition, when anchor bolts are installed on the ceiling, cable trays, system air conditioners, pipe support brackets, hangers, etc. are installed as facilities. To do this, connecting nuts are essential for connecting threaded bolts to anchor bolts.

[0005] However, conventional anchor bolt assemblies have the problem of requiring high manufacturing costs and significant time and effort for installation due to the duplication of components with similar functions, such as connecting nuts for joining the bolt portion of the anchor with the threaded bolt.

[0006] In addition, there was a problem in that the tightening status of the threaded bolt coupled to the connecting nut could not be verified from the outside, making it difficult for workers to check and hindering the supervisor's inspection work from being carried out efficiently.

[0007] In other words, if the threads of the threaded bolt coupled to the connecting nut are not tightened to a sufficient length, it may separate due to vibration or external force, increasing the risk of safety accidents. The problem to be solved

[0008] The present invention aims to solve the problems of the prior art described above. The objective of the present invention is to provide an anchor that facilitates the fastening of threaded bolts, which enables reduced manufacturing costs and simplified installation by configuring a member that simultaneously satisfies the function of a connecting nut connecting a bolt portion of an anchor installed on an anchor bolt and a threaded bolt, thereby reducing the length of the connecting nut by half.

[0009] In addition, another objective of the present invention is to provide an anchor that facilitates the fastening of threaded bolts, allowing the fastening status of the threaded bolt coupled to the connecting nut to be checked from the outside, thereby facilitating fastening verification by a worker and supervision by a supervisor. means of solving the problem

[0010] The technical concept for achieving the present invention is that the anchor, which facilitates the fastening of a threaded bolt, comprises: a fastening member having a male threaded portion formed on the upper part and a connecting nut portion formed on the lower part to which a threaded bolt is coupled; an expansion sleeve formed in the shape of a pipe, coupled to the outer diameter of the male threaded portion, and having at least two expansion sections formed by a plurality of cut sections formed in the vertical direction; and an expansion cone having a female thread formed on the inner diameter to correspond to the male threaded portion, and a tapered portion formed on the outer diameter that tapers downwardly inward; wherein when the connecting nut portion is rotated while the fastening member, the expansion sleeve, and the expansion cone are coupled to an anchor hole formed in a concrete layer, the expansion cone coupled to the male threaded portion is tightened, thereby expanding and attaching the expansion sleeve.

[0011] In addition, a washer portion is integrally formed between the male screw portion and the connecting nut portion.

[0012] In addition, a through hole is formed in the radial direction of the connecting nut portion, so that the threads of the threaded bolt fastened from the outside can be observed.

[0013] In addition, a through hole is formed in the radial direction of the connecting nut portion, and a confirmation hole is installed so as to protrude when a threaded bolt is coupled to the connecting nut portion. The confirmation hole includes a pressing portion that is coupled to the inner diameter of the connecting nut portion and pressed by the threaded bolt, a branching portion that branches out to both sides below the pressing portion, and a protrusion portion formed at the end of the branching portion and protruding into the through hole of the connecting nut portion. Effects of the invention

[0014] As a technical concept for achieving the present invention, the anchor for easy fastening of the threaded bolt according to the present invention comprises a member that simultaneously satisfies the function of a connecting nut connecting the bolt portion of the anchor installed on the anchor bolt and the threaded bolt, thereby enabling the reduction of manufacturing costs and the simplification of installation.

[0015] In addition, the anchor for easy fixing of a threaded bolt according to the present invention allows the fastening status of the threaded bolt coupled to the connecting nut to be checked from the outside, thereby facilitating the worker's verification of the fastening and the supervisor's inspection work. Brief explanation of the drawing

[0016] FIG. 1 is a perspective view of an anchor that facilitates the fastening of a computer bolt according to the present invention. FIG. 2 is an exploded perspective view of an anchor that facilitates the fastening of a computer bolt according to the present invention. FIG. 3 is a cross-sectional view of an anchor that facilitates the fastening of a computer bolt according to the present invention, installed in an anchor hole. FIG. 4 is a perspective view showing various forms of a fastening device for an anchor that facilitates the fastening of a computer bolt according to the present invention. FIG. 5 is an exploded perspective view illustrating an anchor and a verification hole that facilitate fastening of a computer bolt according to the present invention. FIG. 6 is a drawing for explaining the process of combining a verification hole and a threaded bolt in an anchor that facilitates the fastening of a threaded bolt according to the present invention. Specific details for implementing the invention

[0017] The advantages and features of the present invention and the methods for achieving them will become clear by referring to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below but may be implemented in various different forms. These embodiments are provided merely to ensure that the disclosure of the present invention is complete and to fully inform those skilled in the art of the scope of the invention, and the present invention is defined by the description in the claims.

[0018] Meanwhile, the terms used in this specification are for describing the embodiments and are not intended to limit the invention. In this specification, the singular form includes the plural form unless specifically stated otherwise in the text. As used in this specification, "comprises" and / or "comprising" do not exclude the presence or addition of one or more other components, steps, operations, and / or elements to the mentioned components, steps, operations, and / or elements. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0019] FIG. 1 is a perspective view of an anchor that facilitates the fastening of a threaded bolt according to the present invention, FIG. 2 is an exploded perspective view of an anchor that facilitates the fastening of a threaded bolt according to the present invention, FIG. 3 is a cross-sectional view of an anchor that facilitates the fastening of a threaded bolt according to the present invention installed in an anchor hole, FIG. 4 is a perspective view showing various forms of the fastening member of an anchor that facilitates the fastening of a threaded bolt according to the present invention, FIG. 5 is an exploded perspective view for explaining an anchor that facilitates the fastening of a threaded bolt and a verification member according to the present invention, and FIG. 6 is a drawing for explaining the process of combining a verification member and a threaded bolt with an anchor that facilitates the fastening of a threaded bolt according to the present invention.

[0020] Referring to FIGS. 1 to 6, the anchor (100) for easy fastening of a computer bolt according to the present invention includes a fastening member (110), an expansion sleeve (120), and an expansion cone (130).

[0021] The above fastener (110) has a male screw portion (111) formed on the upper part and a connecting nut portion (112) formed on the lower part to which a threaded bolt (200) is coupled.

[0022] In addition, the connecting nut portion (112) of the fastener (110) can be of various shapes such as hexagonal, square, circular, or dodecagonal (see FIG. 4).

[0023] In addition, a flat washer (140) is installed between the male screw portion (111) and the connecting nut portion (112), and a spring washer may also be installed to prevent loosening, and as shown in FIG. 4, a washer portion (113) may be formed integrally.

[0024] In addition, a through hole (112a) is formed in the radial direction of the connecting nut portion (112) so that the threads of the threaded bolt (200) being connected from the outside can be observed, and thus the state in which the threaded bolt (200) is fully connected can be confirmed from the outside.

[0025] The above expansion sleeve (120) is formed in the shape of a pipe and is coupled to the outer diameter of the above male screw portion (111), and at least two expansion pieces (122) are formed by a plurality of vertically formed cut portions (121).

[0026] The above expansion cone (130) has an internal screw thread formed in its inner diameter to correspond to the male screw portion (111), and a tapered portion (131) formed in its outer diameter that tapers downward inward.

[0027] The anchor for easy fastening of the threaded bolt of the present invention, configured as described above, is such that when the connecting nut portion (112) is rotated while the fastening member (110), expansion sleeve (120), and expansion cone (130) are combined in the anchor hole (300) formed in the concrete layer, the expansion cone (130) coupled to the male screw portion (111) is tightened, thereby expanding and fixing the expansion portion (122) of the expansion sleeve (120).

[0028] In addition, if a threaded bolt (200) is connected to the connecting nut portion (112), the bolt portion of the anchor is unnecessary as in the conventional method, and a separate connecting nut can be connected instead.

[0029] In addition, the state in which the threaded bolt (200) is connected can be confirmed from the outside through the through hole (112a) formed in the connecting nut part (112).

[0030] In addition, a colored marking can be formed on the threaded bolt (200) at the fastening portion of the through hole (112a) of the connecting nut portion (112) to increase visibility, so that the marking can be checked through the through hole (112a).

[0031] Meanwhile, a verification means may be installed on an anchor that facilitates the fastening of a threaded bolt according to the present invention. This is achieved by forming a through hole (112a) in the radial direction of the connecting nut portion (112) and installing a verification hole (150) that protrudes when the threaded bolt (200) is coupled to the connecting nut portion (112).

[0032] The above-mentioned inspection part comprises a pressing part (151) that is coupled to the inner diameter of the connecting nut part (112) and pressed by a threaded bolt (200), a branching part (152) that branches out to both sides below the pressing part (151), a protrusion part (153) formed at the end of the branching part (152) and protruding into the through hole (112a) of the connecting nut part (112), and a tweezers groove (154) formed in the pressing part.

[0033] In this state, when the confirmation part (151) of the confirmation part (150) is pressed by the threaded bolt (200) while the confirmation part (151) is connected to the confirmation part (150) using a tweezers (not shown) in the tweezers groove (154) to connect the confirmation part (112), the protrusion (153) with an end formed in the branch part (152) protrudes outward from the through hole (112a), making it easy to check the state of the protrusion from the outside.

[0034] The present invention has been described with reference to one embodiment illustrated in the attached drawings, but it will be understood by those skilled in the art that various modifications and other embodiments are possible. Explanation of the symbols

[0035] 100: Anchor for easy fastening of threaded bolts 110: Fastener 111: Male thread section 112: Connecting nut section 112a: Through hole 113: Washer part 120: Expansion sleeve 121: Incision 122: Major Overhaul 130: Expansion Con 131: Tapered section 140: Flat washer 150: Confirmation part 151: Pressing part 152: Branching section 153: Protrusion 154: Tweezers groove 200: Threaded bolt 300: Anchor hole

Claims

Claim 1 A fastener having a male screw portion formed on the upper part and a connecting nut portion formed on the lower part to which a threaded bolt is coupled; an expansion sleeve formed in the shape of a pipe and coupled to the outer diameter of the male screw portion, having at least two expansion sections formed by a plurality of cuts formed in the vertical direction; An anchor that facilitates the fastening of a threaded bolt, comprising: an expansion cone having an internal diameter with female threads formed to correspond to the male threaded portion, and an external diameter with a tapered portion formed downwardly and inwardly; wherein, when the connecting nut portion is rotated while the fastener, expansion sleeve, and expansion cone are coupled in an anchor hole formed in a concrete layer, the expansion cone coupled to the male threaded portion is tightened, thereby expanding and fixing the expansion portion of the expansion sleeve; wherein a through hole is formed in the radial direction of the connecting nut portion, and a confirmation hole is installed to protrude when the threaded bolt is coupled to the connecting nut portion, wherein the confirmation hole includes a pressing portion coupled to the inner diameter of the connecting nut portion and pressed by the threaded bolt, a branching portion branching to both sides below the pressing portion, a protrusion formed at the end of the branching portion and protruding into the through hole of the connecting nut portion, and a tweezers groove formed in the pressing portion, characterized in that it is coupled using tweezers in the tweezers groove. Claim 2 An anchor that facilitates the fastening of a threaded bolt, characterized in that, in claim 1, a washer portion is integrally formed between the male screw portion and the connecting nut portion. Claim 3 delete Claim 4 delete Claim 5 delete

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