KR20170100095A - Anchor bolt assembly - Google Patents

Anchor bolt assembly Download PDF

Info

Publication number
KR20170100095A
KR20170100095A KR1020160021965A KR20160021965A KR20170100095A KR 20170100095 A KR20170100095 A KR 20170100095A KR 1020160021965 A KR1020160021965 A KR 1020160021965A KR 20160021965 A KR20160021965 A KR 20160021965A KR 20170100095 A KR20170100095 A KR 20170100095A
Authority
KR
South Korea
Prior art keywords
anchor bolt
diameter
fastening
fastening hole
sleeve
Prior art date
Application number
KR1020160021965A
Other languages
Korean (ko)
Other versions
KR101845007B1 (en
Inventor
성대천
노정을
Original Assignee
대천볼트(주)
노정을
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 대천볼트(주), 노정을 filed Critical 대천볼트(주)
Priority to KR1020160021965A priority Critical patent/KR101845007B1/en
Publication of KR20170100095A publication Critical patent/KR20170100095A/en
Application granted granted Critical
Publication of KR101845007B1 publication Critical patent/KR101845007B1/en

Links

Images

Classifications

    • 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
    • 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
    • E04B1/4114—Elements with sockets
    • 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
    • F16B13/066—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 fastened by extracting a separate expander-part, actuated by the screw, nail or the like
    • F16B13/068—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 fastened by extracting a separate expander-part, actuated by the screw, nail or the like expanded in two or more places
    • 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt

Landscapes

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

Abstract

According to the present invention, there is provided a bolt for a bolt, comprising: a bolt body inserted into a fastening hole; an enlarging head provided at one end of the bolt body and having a diameter enlarged; An anchor bolt including a fastening portion; A nut member coupled to the fastening portion and pulling the bolt body out of the fastening hole to press the diameter-increasing head portion toward the sleeve; A sleeve installed on the bolt body and closely fitted to the inner wall of the fastening hole; And a friction portion provided on the diameter-reducing head portion and preventing the bolt body from rotating inside the fastening hole when the nut member is coupled to the fastening portion.

Description

ANCHOR BOLT ASSEMBLY < RTI ID = 0.0 >

The present invention relates to an anchor bolt assembly, and more particularly, to an anchor bolt assembly that can prevent rotation of an anchor bolt when an anchor bolt is fixed to an anchor bolt, The present invention relates to an anchor bolt assembly.

In general, anchor bolt is an anchor-shaped bolt that is a kind of foundation bolt.

The anchor bolt is a foundation bolt. It is the base of the setting of the machinery, the structure, and the building. In case of installing the machinery, the bolt is fixed and the machine is fixed to the concrete floor. The anchor bolt is also called a stone bolt.

The conventional anchor bolt is composed of a bolt portion having a threaded portion and a predetermined length, a tightening nut having a threaded portion corresponding to the threaded portion of the bolted portion, and a coupling pipe concentrically formed with the bolted portion and positioned on the outer surface of the bolted portion .

A plurality of cut-out portions are formed in the one end portion of the bolt portion so that the diameter of the one end portion gradually increases. By tightening the tightening nut, the fastening tube is moved toward the one end portion. At the same time, the one end portion having the cut- In such a case, the coupling tube is loosened at the fitting hole, and the bolt part is easily detached from the fitting hole.

Also, when the bolt portion is located in the fitting hole due to loosening of the coupling tube, the bolt portion is formed concentrically with the coupling tube and is also loosened, so that the structure is unstably installed.

The background art of the present invention is disclosed in Korean Utility Model Publication No. 20-1999-0023289 (published on Jul. 05, 1999, entitled Anchor bolt).

Since the anchor bolt may be idled after being coupled to the fitting hole or the coupling tube may be idled, a general anchor bolt may be unstably mounted on the anchor bolt.

Therefore, there is a need for improvement.

An object of the present invention is to provide an anchor bolt assembly capable of preventing rotation of an anchor bolt when a nut member is engaged with an anchor bolt fixed to an anchor hole and preventing a malfunction in which the nut member is separated from the anchor bolt .

According to the present invention, there is provided a bolt for a bolt, comprising: a bolt body inserted into a fastening hole; an enlarging head provided at one end of the bolt body and having a diameter enlarged; An anchor bolt including a fastening portion; A nut member coupled to the fastening portion and pulling the bolt body out of the fastening hole to press the diameter-increasing head portion toward the sleeve; A sleeve installed on the bolt body and closely fitted to the inner wall of the fastening hole; And a friction portion provided on the diameter-reducing head portion and preventing the bolt body from rotating inside the fastening hole when the nut member is coupled to the fastening portion.

Further, the friction portion of the present invention is characterized by including a knurled surface formed at an end of the diameter-increasing head portion.

Further, the friction portion of the present invention is characterized by including a plurality of projections protruding from the central portion of the diameter-increasing head portion.

Further, the friction portion of the present invention is characterized in that the circumferential surface of the diameter-increasing head portion includes a plurality of frictional surfaces formed in a polygonal prism shape.

Further, the present invention is characterized by further comprising an extension guide portion for allowing the rubbing portion to protrude toward the inner wall of the fastening hole while the diameter-adjusting head portion is deformed when the anchor bolt is inserted into the fastening hole.

In addition, the extension guide portion of the present invention includes an enlargement groove portion provided in the diameter-increasing head portion so that the inside of the diameter-increasing head portion is hollow.

Further, the present invention is characterized in that the present invention further comprises a departure prevention portion for preventing the nut member from being separated from the fastening portion.

The release preventing portion of the present invention is characterized in that the engagement bending portion is formed by bending a part of the thread so that the thread of the coupling portion forms an edge.

Further, the sleeve of the present invention is characterized in that a plurality of first expanding grooves opposed to the diameter-increasing head portion and a plurality of second expanding grooves opposed to the engaging portion are provided in the sleeve.

Further, a friction protrusion is formed between the first extended groove portions of the present invention, and a bonding bending portion is formed between the second extended groove portions.

Further, the bolt body of the present invention is characterized in that the bolt body is provided with a slide preventing protrusion for preventing the sleeve from moving toward the fastening portion.

The anchor bolt assembly according to the present invention has an anchor bolt which is inserted into and fixed to the fastening hole and has a friction portion for inducing friction between the fastening hole inner wall and the diameter-adjusting head portion, so that rotation of the anchor bolt can be prevented, The anchor bolt can be prevented from malfunctioning due to the rotation of the anchor bolt, and the anchor bolt can be securely fixed to the fastening hole without being rotated.

Further, since the anchor bolt assembly according to the present invention includes the nut member coupled to the fastening portion of the anchor bolt, or the detachment preventing portion that prevents the washer from separating from the fastening portion, the anchor bolt and the nut member are combined, There is an advantage that a safety accident caused when the anchor bolt is separated from the fastening hole after the assembly is installed can be advantageously prevented.

Further, since the anchor bolt assembly according to the present invention is provided with the expansion groove portion, the friction protrusion and the friction bending portion in the sleeve pressed by the diameter-increasing head portion when the anchor bolt is fixed while being pulled out of the fastening hole, The sleeve pressed by the head portion is easily deformed and is effectively fixed to the inner wall of the fastening hole and the coefficient of friction between the sleeve and the fastening hole is increased by the friction protrusion and the frictional bending portion to effectively prevent the anchor bolt from being released to the outside of the fastening hole There is an advantage to be able to.

1 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a first embodiment of the present invention.
2 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a second embodiment of the present invention.
3 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a third embodiment of the present invention.
4 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a fourth embodiment of the present invention.
5 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a fifth embodiment of the present invention.
6 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a sixth embodiment of the present invention.
7 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a seventh embodiment of the present invention.
8 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to an eighth embodiment of the present invention.
9 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a ninth embodiment of the present invention.
10 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a tenth embodiment of the present invention.
11 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to an eleventh embodiment of the present invention.
12 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a twelfth embodiment of the present invention.
13 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a thirteenth embodiment of the present invention.
14 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a fourteenth embodiment of the present invention.

Hereinafter, an embodiment of an anchor bolt assembly according to the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.

Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a first embodiment of the present invention.

Referring to FIG. 1, an anchor bolt assembly according to a first embodiment of the present invention includes a bolt body 10 inserted into a fastening hole, a bolt body 10 provided at one end of the bolt body 10, An anchor bolt 100 including an enlarging diameter head 20 and a fastening part 30 formed at the other end of the bolt body 10 and formed with a thread, A nut member 120 which is coupled to the fastening portion 30 and which urges the fastening head 20 toward the sleeve 200 by pulling the bolt body 10 to the outside of the fastening hole, And a friction portion 50 provided on the diameter-increasing head portion 20 and preventing the bolt body 10 from rotating inside the fastening hole when the nut member 120 is coupled to the fastening portion 30 .

The anchor bolt 100 is an engaging member for fixing a separate structure to a base structure by being fixed to a concrete structure or a fastening hole formed in a base structure of various structures and includes a bolt body 10 and the fastening portion 30 is formed at the other end of the bolt body 10. [

Therefore, after the sleeve 200 having a relatively short pipe shape is coupled between the diametrically opposed head portion 20 and the fastening portion 30, the bolt body 10 and the sleeve 200 are inserted into the fastening hole, The sleeve 200 is expanded while the sleeve is moved along the inclined surface of the diameter-increasing head 20 by pressing the sleeve 200 toward the diameter-side head 20 by inserting a pressing tool.

The sleeve 200 to be expanded as described above is pressed against the inner wall of the fastening hole and inserted into the inner wall of the fastening hole so that the fastening head 20 and the sleeve 200 are fixed to the inner wall or end of the fastening hole.

When the bolt body 10 and the sleeve 200 are fixed to the inside of the fastening hole as described above, the washer 110 and the nut member 120 are fastened to the fastening part 30 to fasten the bolt body 10 to the outside of the fastening hole So that the anchor bolt 100 can be more firmly fixed to the fastening hole.

At this time, the washer 110 and the nut member 120 are rotated so as to be coupled to the thread of the fastening part 30. In this embodiment, since the fastening head part 20 is provided with the friction part 50, The anchor bolt 100 can be easily separated from the fastening hole while the bolt body 10 is being rotated. In addition, the fastening operation of the washer 110 and the nut member 120 can be easily performed, .

Therefore, the present embodiment can prevent the anchor bolt 100 from being separated from the outer side of the fastening hole while the anchor bolt 100 is rotated during the assembling work of the washer 110 and the nut member 120, and the rotation of the sleeve 200 in the fastening hole So that the anchor bolt 100 assembly can be firmly fixed.

Since the frictional portion 50 includes the knurled surface 52 formed at the end of the light-directing head 20, the frictional portion 50 forms an acute-angled groove with a portion where the end edge of the light-directing head 20 forms an acute- A concave portion is continuously formed to induce friction between the end of the diameter-measuring head portion 20 and the fastening hole.

The knurled surface 52 rubs against the sleeve 200 and restrains the rotation of the sleeve 200 and restrains the rotation of the anchor bolt 100 while rubbing against the inner wall of the fastening hole.

The present embodiment further includes the separation preventing portion 80 for preventing the nut member 120 from being separated from the coupling portion 30 so that the nut member 120 is rotated in the forward direction to the coupling portion 30 It is possible to prevent the nut member 120 from rotating in the reverse direction after the coupling, and to prevent the nut member 120 from being separated from the anchor bolt 100.

The release preventing portion 80 includes a locking bend portion 82 in which a part of the thread is bent so as to form a corner in the thread forming the fastening portion 30. [

The engaging bending portion 82 is bent at an angle so as to form an angle, and a plurality of engaging bending portions 82 are arranged at a predetermined interval to form a plurality of And the engaging bends 82 are disposed apart from each other.

Therefore, when the nut member 120 and the washer 110 are coupled to the threads, the nut member 120 and the washer 110 are pressed together while the nut member 120 passes the engagement bend 82, So as to pass through the engaging bend portion 82.

As described above, when the nut member 120 passes through the engagement bend portion 82, the engagement bend portion 82 can be deformed in one direction. After the engagement of the nut member 120 is completed, the nut member 120 When the nut member 120 and the washer 110 are rotated in the reverse direction and rotated in the direction of separating from the fastening portion 30, the fastening bend portion 82 restrains the rotation of the nut member 120 in the reverse direction, It is possible to prevent separation.

The engaging bending portion 82 deforms in the direction in which the nut member 120 is engaged when the nut member 120 is engaged with the nut member 120 while the nut member 120 is rotated in the reverse direction while interfering with the nut member 120 when the nut member 120 is rotated in the reverse direction. Can be more effectively restrained.

The present embodiment further includes an extension guide portion 70 that allows the rubbing portion 50 to protrude toward the inner wall of the fastening hole when the diameter-increasing head portion 20 is deformed when the anchor bolt 100 is inserted into the fastening hole .

Therefore, when the anchor bolt 100 is inserted into the fastening hole and pressurized, the frictional portion 50 is deformed by the action of the extension guide portion 70 and protrudes toward the inner wall of the fastening hole so that the frictional force generated by the frictional portion 50 is larger The anchor bolt 100 can be more effectively prevented from rotating.

Since the extension guide portion 70 of the present embodiment includes the expansion groove portion 72 provided in the diameter-increasing head portion 20 so that the inside of the diameter-increasing head portion 20 is hollowed, the anchor bolt 100 is inserted into the fastening hole A part of the diameter-increasing head 20 protrudes in the lateral direction and the protruding part of the knurling surface 52 constituting the friction part 50 is pressed against the inner surface of the fastening hole 50. As a result, As shown in Fig.

Therefore, the protruding portion of the knurled surface 52 is pressed against the inner wall of the fastening hole to more effectively prevent the anchor bolt 100 from rotating inside the fastening hole, and the protruding portion of the knurled surface 52 interferes with the sleeve, As shown in FIG.

The sleeve 200 is provided with a plurality of first expanding grooves 210 opposed to the diametrically opposed head 20 and a plurality of second expanding grooves 220 opposed to the engaging portions 30.

Friction protrusions 212 are formed between the first extended trenches 210 and a squeezing bent portion 222 is formed between the second extended trenches 220.

Therefore, when inserting the anchor bolt 100 into the fastening hole, the frictional protrusion 212 rubs against the inner wall of the fastening hole and the first expanding groove 210 is deformed to fix the sleeve 200 to the inner wall of the fastening hole, When the anchor bolt 100 is pulled to the outside of the fastening hole, the friction bending portion 222 rubs against the inner wall of the fastening hole and the second expanding groove 220 is deformed to fix the sleeve 200 to the fastening hole inner wall The sleeve 200 can be more effectively deformed and fixed to the inner wall of the fastening hole.

The operation of the anchor bolt assembly according to one embodiment of the present invention will now be described.

First, a sleeve 200, which is formed on the circumferential surface of the bolt body 10 in the shape of a pipe and has a plurality of first expansion grooves 210 and second expansion grooves 220, is coupled to an anchor bolt 100 and the sleeve 200 are inserted and the sleeve 200 is pressed into the fastening hole by using a pressing tool so that the sleeve 200 is deformed while being moved along the diameter head 20 and fixed on the inner wall of the fastening hole do.

At this time, since the sleeve 200 is moved along the diameter-increasing head portion 20 and is opened in the outward direction, deformation of the second expansion groove portion 210 is generated, and the friction protrusions (not shown) formed between the first expansion groove portions 210 212 are engaged with the inner wall of the fastening hole to fix the sleeve 200.

Thereafter, when the washer 110 and the nut member 120 are rotated to be engaged with the fastening portion 30 in a normal direction, the washer 110 and the nut member 120 are rotated in a state in which the anchor bolt 100 The anchor bolt 100 is fixed to the inner wall of the fastening hole while being pulled out of the fastening hole.

At this time, in this embodiment, since the projection 54 forming the knurled surface 52 rubs against the inner wall of the fastening hole, and the sleeve and the knurled surface 52 are rubbed to restrain the rotation of the anchor bolt 100 and the sleeve, It is possible to prevent the anchor bolt 100 and the sleeve from being separated from the fastening hole by the rotation of the anchor bolt 100, thereby firmly fixing the anchor bolt 100 assembly.

When the anchor bolt 100 is pulled out of the fastening hole, the frictional bending portion 222 rubs against the inner wall of the fastening hole and the second expanding groove 220 is deformed. The effect of being fixed effectively on the inner wall is exhibited.

2 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a second embodiment of the present invention.

Referring to FIG. 2, the friction portion 50 of the anchor bolt assembly according to the second embodiment of the present invention includes a plurality of protrusions 54 protruding from the central portion of the diameter-increasing head portion 20.

Since the plurality of protrusions 54 are formed from the inner end portion to the center portion of the diameter limiting head 20 in the present embodiment, the protrusions 54 and the sleeves The anchor bolt 100 is rotated while interfering with the inner wall of the fastening hole when the washer 110 and the nut member 120 are engaged with each other .

In the present embodiment, the knurled surface 52 formed on the diameter-increasing head 20 is omitted, and a plurality of the protrusions 54 formed from the inner end to the middle of the diameter-increasing head 20 are relatively long And the rotation of the sleeve and the anchor bolt 100 is restrained by the projecting portion 54.

Therefore, the present embodiment can reduce the time and cost required for manufacturing the anchor bolt 100 by omitting the step of machining the knurled surface 52.

3 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a third embodiment of the present invention.

3, the friction portion 50 of the anchor bolt assembly according to the third embodiment of the present invention includes a plurality of frictional surfaces 56 formed by forming the circumferential surface of the diameter- .

The present embodiment is characterized in that the cross-sectional shape of the light-directing head portion 20 is a polygonal shape, and a plurality of friction faces 56 are formed on the circumferential face of the light-directing head portion 20 and formed continuously.

When the diameter-enlarging head 20 is polygonal, a plurality of corners are formed on the circumferential surface, so that a plurality of corners are pressed against the inner wall of the fastening hole to prevent rotation of the anchor bolt 100 or the sleeve.

The present embodiment can form the friction portion 50 when manufacturing the diameter-increasing head portion 20 without going through a separate process of forming the friction portion 50 on the diameter-increasing head portion 20, so that the anchor bolt 100 ) Manufacturing time and cost can be reduced.

4 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a fourth embodiment of the present invention.

Referring to FIG. 4, the bolt body of the anchor bolt assembly according to the fourth embodiment of the present invention is provided with the anti-slide protrusion 12 for preventing the sleeve 200 from moving toward the fastener, It is possible to prevent the misalignment that the sleeve 200 is not inserted into the fastening hole while rubbing against the inner wall of the fastening hole when the sleeve 200 is inserted into the fastening hole.

Therefore, even when the sleeve 200 rubs against the inner wall of the fastening hole when inserting the anchor bolt 100 into the relatively small diameter fastening hole, the fastening protrusion 12 supports the rear end of the sleeve 200, As the sleeve 200 is pressed, the sleeve 200 can be inserted into the inside of the fastening hole.

Since the step of pressing the sleeve 200 into the fastening hole by using a separate closure member or a tool after inserting the anchor bolt 100 into the fastening hole may be omitted, It is possible to reduce the time and cost required for the operation.

FIG. 5 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a fifth embodiment of the present invention, FIG. 6 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a sixth embodiment of the present invention, Is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a seventh embodiment of the present invention.

5 to 7, the fastening portions 30 of the anchor bolt assemblies according to the fifth, sixth, and seventh embodiments of the present invention are the same as the diameter of the bolt body 10 Or a similar diameter.

The present embodiment is characterized in that the bolt body 10 having the diameter-increasing head portion 20 is manufactured by a casting process at the time of manufacturing the anchor bolt 100 and then the end portion of the bolt body 10 is tapped, The outer diameter of the thread forming the fastening part 30 and the outer diameter of the bolt body 10 are made equal or similar to each other.

The friction portion 50 of the fifth embodiment includes the friction surface 56 and the friction portion 50 of the sixth embodiment includes the knurled surface 52 and the friction portion 50 of the seventh embodiment The features of the friction surface 56, the knurled surface 52 and the protrusion 54 are the same as those described in the first to fourth embodiments described above do.

FIG. 8 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to an eighth embodiment of the present invention, FIG. 9 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a ninth embodiment of the present invention, Is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a tenth embodiment of the present invention.

8 to 10, the fastening portions 30 of the anchor bolt assemblies according to the eighth through fourteenth embodiments of the present invention have a diameter larger than that of the bolt body 10 to be.

The present embodiment is characterized in that the bolt body 10 having the diameter-increasing fastening portion 30 having the diameter-increasing head portion 20 at the time of manufacturing the anchor bolt 100 is manufactured by a casting process The outer diameter of the thread forming the fastening part 30 is made larger than the outer diameter of the bolt body 10 because the fastening part 30 is tapped to form the thread.

The friction portion 50 of the fifth embodiment includes the friction surface 56 and the friction portion 50 of the sixth embodiment includes the knurled surface 52 and the friction portion 50 of the seventh embodiment The features of the friction surface 56, the knurled surface 52 and the protrusion 54 are the same as those described in the first to fourth embodiments described above do.

FIG. 11 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to an eleventh embodiment of the present invention, FIG. 12 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a twelfth embodiment of the present invention, FIG. 14 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a fourteenth embodiment of the present invention. FIG. 14 is a perspective view illustrating an anchor bolt of an anchor bolt assembly according to a thirteenth embodiment of the present invention.

11 to 14, an eleventh embodiment of the present invention is provided with the engagement bend portion 82, the anti-skid protrusion 12, the knurled surface 52, and the extended groove portion 72, The thrust bending portion 82, the thrust preventing protrusion 12, the protruding portion 54 and the extended trough portion 72. The thirteenth embodiment has the engaging bending portion 82, the anti-slide projection 12, And the extended groove portion 72. The fourteenth embodiment is characterized by having the engaging bend portion 82, the anti-slide projection 12, and the friction surface 56.

Thereby, it is possible to provide an anchor bolt assembly capable of preventing the anchor bolt from rotating when the nut member is engaged with the anchor bolt fixed to the anchor hole, and preventing malfunction of separating the nut member from the anchor bolt .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

In addition, although the anchor bolt assembly has been described as an example, the anchor bolt assembly is only an example, and the anchor bolt of the present invention can be used in other products than the anchor bolt assembly.

Accordingly, the true scope of the present invention should be determined by the following claims.

10: Bolt body 12:
20: diameter-adjusting head portion 30: fastening portion
50: Friction portion 52: Knurled surface
54: protrusion 56: friction surface
70: extension guide portion 72:
80: separation prevention part 82: engagement bend
100: Anchor bolt 200: Sleeve
210: first extended groove portion 212: friction protrusion
220: second expansion groove portion 222: friction bending portion

Claims (11)

And a fastening head provided at one end of the bolt body and having a diameter enlarged to the diameter of the bolt body and a fastening part provided at the other end of the bolt body and formed with a thread, Anchor bolts;
A nut member coupled to the fastening portion and pulling the bolt body out of the fastening hole to press the diameter-increasing head portion toward the sleeve;
A sleeve installed on the bolt body and closely fitted to the inner wall of the fastening hole; And
And a friction portion provided on the diameter-increasing head portion and preventing the bolt body from rotating inside the fastening hole when the nut member is coupled to the fastening portion.
The method according to claim 1,
Wherein the frictional portion includes a knurled surface formed at an end of the diametrically opposed head portion.
The method according to claim 1,
Wherein the friction portion includes a plurality of protrusions projecting from a central portion of the diameter-increasing head portion.
The method according to claim 1,
Wherein the friction portion includes a plurality of friction surfaces, the circumferential surface of the diameter-increasing head portion being formed in a polygonal prism shape.
5. The method according to any one of claims 1 to 4,
Further comprising an extension guide portion for allowing the friction portion to protrude toward the inner wall of the fastening hole when the diameter-increasing head portion is deformed when the anchor bolt is inserted into the fastening hole.
6. The method of claim 5,
Wherein the extension guide portion includes an enlargement groove portion provided in the diameter-enlarging head portion so that the inside of the diameter-enlarging head portion is hollow.
5. The method according to any one of claims 1 to 4,
Further comprising a separation preventing portion for preventing the nut member from separating from the coupling portion.
8. The method of claim 7,
Wherein the release preventing portion includes a hook bent portion formed by bending a part of the thread to form a corner of the thread of the fastening portion.
The method according to claim 1,
Wherein the sleeve is provided with a plurality of first expanding grooves facing the enlarging head, and a plurality of second expanding grooves opposed to the engaging portions.
10. The method of claim 9,
Wherein a friction protrusion is formed between the first enlarged groove portions and an engaging bending portion is formed between the second enlarged groove portions.
The method according to claim 1,
Wherein the bolt body is provided with a protrusion protrusion for preventing the sleeve from moving toward the coupling portion.
KR1020160021965A 2016-02-24 2016-02-24 Anchor bolt assembly KR101845007B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160021965A KR101845007B1 (en) 2016-02-24 2016-02-24 Anchor bolt assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160021965A KR101845007B1 (en) 2016-02-24 2016-02-24 Anchor bolt assembly

Publications (2)

Publication Number Publication Date
KR20170100095A true KR20170100095A (en) 2017-09-04
KR101845007B1 KR101845007B1 (en) 2018-04-04

Family

ID=59924390

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020160021965A KR101845007B1 (en) 2016-02-24 2016-02-24 Anchor bolt assembly

Country Status (1)

Country Link
KR (1) KR101845007B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200040643A (en) * 2018-10-10 2020-04-20 차주병 Improved anchor bolt assembly and ceiling finish panel fastener comprising same
KR20200093381A (en) * 2019-01-28 2020-08-05 세현산업 주식회사 Set anchor bolt
WO2020222535A1 (en) * 2019-04-30 2020-11-05 차주병 Improved anchor bolt assembly and ceiling finishing panel fixing apparatus comprising same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102379212B1 (en) 2021-04-23 2022-03-28 김봉래 anchor bolt
KR102445895B1 (en) 2021-11-29 2022-09-21 김남구 Anchor bolt with improved function

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200226410Y1 (en) * 2000-09-04 2001-06-15 영신금속공업주식회사 Earth bolt
KR200250946Y1 (en) * 2001-06-30 2001-11-16 김광배 anchor bolt
KR200426177Y1 (en) * 2006-06-23 2006-09-19 최영근 Anchor bolt well furnished structure of run idle prevention
US20100111639A1 (en) * 2008-11-03 2010-05-06 Powers Fasteners, Inc. Antigalling anchor bolt and method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200040643A (en) * 2018-10-10 2020-04-20 차주병 Improved anchor bolt assembly and ceiling finish panel fastener comprising same
KR20200093381A (en) * 2019-01-28 2020-08-05 세현산업 주식회사 Set anchor bolt
WO2020222535A1 (en) * 2019-04-30 2020-11-05 차주병 Improved anchor bolt assembly and ceiling finishing panel fixing apparatus comprising same
JP2021535973A (en) * 2019-04-30 2021-12-23 チャ、ジュ ビョンCHA, Ju Byeong Improved anchor bolt assembly and ceiling finish panel fixing device including it
EP3964660A4 (en) * 2019-04-30 2023-01-25 Cha, Ju Byeong Improved anchor bolt assembly and ceiling finishing panel fixing apparatus comprising same
US11987980B2 (en) 2019-04-30 2024-05-21 Ju Byeong CHA Anchor bolt assembly and ceiling finishing panel fixing apparatus comprising same

Also Published As

Publication number Publication date
KR101845007B1 (en) 2018-04-04

Similar Documents

Publication Publication Date Title
KR101845007B1 (en) Anchor bolt assembly
JP3703833B2 (en) Joint forming device
TWI458895B (en) A metal collar and a method for mounting it
EP2496848B1 (en) Removable and reusable quick nut
JP2017502225A (en) Extended anchor with anti-rotation
US10495131B2 (en) Blind nut, a blind nut assembly and mounting structure thereof
US7083370B2 (en) Fastening devices
WO2015109447A1 (en) Expansion connection assembly
JPH05346108A (en) Blind pin fixing
JP4871142B2 (en) Detachment prevention structure of pipe joint part, locking part large diameter remodeling method of insertion pipe part and locking part large diameter remodeling tool for insertion pipe part
US3517903A (en) Hanger assembly
KR102266423B1 (en) One way fastener
KR20110046071A (en) Anchor bolt
KR102231745B1 (en) Quick clamping device
KR20170010436A (en) Fixture with connecting surface for increasing fixation stability
JP6850147B2 (en) How to fasten and loosen the unlocking member attached to the locknut equipped with the coil spring and the locknut attached to the unlocking member.
JP2017057940A (en) Anchor bolt with reverse rotation prevention mechanism
WO2018008482A1 (en) Anti-separation structure for anchoring member
US11680598B2 (en) Fixing device
KR20190000657U (en) Bolt with spring
WO2022230604A1 (en) Anchor bolt
JP2011208797A (en) Fastening/fixing member
JP2016132901A (en) Anchor bolt
JP2006170412A (en) Screw cramping structure
JP5047085B2 (en) Screw grommet

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant