KR101908718B1 - sleeve assembled anchorbolt - Google Patents

sleeve assembled anchorbolt Download PDF

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Publication number
KR101908718B1
KR101908718B1 KR1020160021872A KR20160021872A KR101908718B1 KR 101908718 B1 KR101908718 B1 KR 101908718B1 KR 1020160021872 A KR1020160021872 A KR 1020160021872A KR 20160021872 A KR20160021872 A KR 20160021872A KR 101908718 B1 KR101908718 B1 KR 101908718B1
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KR
South Korea
Prior art keywords
sleeve
protrusion
anchor bolt
width
bent
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KR1020160021872A
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Korean (ko)
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KR20170099590A (en
Inventor
권도형
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권도형
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Priority to KR1020160021872A priority Critical patent/KR101908718B1/en
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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
    • E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
    • E04B1/4164—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head with an adjustment sleeve
    • 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
    • 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
    • E04B1/4171—Nailable or non-threaded screwable elements
    • 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

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

Abstract

The present invention is characterized in that after inserting the inserting hole provided in the wall by a drilling operation slightly larger than the outer diameter of the anchor bolt, after the anchor bolt is inserted into the inserting hole, when the anchor bolt is struck, the outer protrusion provided in the sleeve is unfolded The present invention relates to an anchor bolt with a sleeve,
The present invention provides a space that is inserted into an insertion hole formed in a wall and is spaced a predetermined distance from a head portion inserted into the insertion hole and in which a sleeve for fixing and seating the anchor bolt is seated, A bolt portion 100 having a seating portion 110 formed with fixing protrusions 113 for preventing flow and a threaded portion 120 to which a washer and a nut 300 are coupled; An outer protrusion fixed to the seating part 110 provided in the bolt part 100 and inclined upwards from the head part to the other end when the anchor bolt is inserted into the insertion hole; A sleeve part 200 provided with a locking step 220 for preventing and fixing the flow in the longitudinal direction when coupled with the locking part 220; And a nut (300) provided on the threaded portion (120).

Description

Sleeve assembled anchorbolt "

The present invention relates to an anchor bolt. More specifically, the present invention relates to an anchor bolt, and more particularly, to an anchor bolt which is provided with an insertion hole provided in a wall by a drilling operation to be somewhat larger than an outer diameter of an anchor bolt, The present invention relates to an anchor bolt which is improved so that an anchor bolt is fixed to a wall hole immediately after a fixed blade provided on a sleeve is unfolded and a wall surface of a top hole is pressed.

Generally, anchor bolts are used in various industrial fields. However, they are mainly used for installing buildings and structures such as concrete or walls, installing interior and exterior materials (hereinafter referred to as "adhesion materials") such as stone or metal plate materials,

Is mainly used to securely fix the sub-structure.

As an example of construction of an anchor bolt, a hole is drilled in a concrete wall or a floor surface, an anchor bolt is inserted into the hole, and then a bracket connected to the above-mentioned attachment object is fastened to a bolt protruding out of the hole by a nut (300) The attachment can be firmly fixed to the wall.

The anchor bolts have been developed in various shapes and types to suit the current application. Among them, the anchor bolts common to magnetic fields are disclosed in Korean Patent Laid-Open Publication No. 10-2011-0046071.

SUMMARY OF THE INVENTION The present invention has been made to solve the problems of the conventional anchor bolt as described above, and it is an object of the present invention to provide an anchor bolt, which is provided with an insertion hole provided in a wall by a drilling operation to be somewhat larger than an outer diameter of an anchor bolt, The anchor bolt is inserted into the anchor bolt and the anchor bolt is hammered into the anchor bolt so that the fixing blade provided on the sleeve is unfolded to press and fix the wall of the anchor bolt, thereby facilitating the operation of the anchor bolt.

The sleeve-integrated anchor bolt according to an embodiment of the present invention includes a sleeve inserted into an insertion hole formed in a wall and spaced a predetermined distance from a head portion inserted into the insertion hole and having a sleeve for fixing and anchoring the anchor bolt And a threaded portion 120 to which a washer and a nut 300 are coupled. The fixing portion 110 has a fixing protrusion 113 for preventing a circumferential flow of the sleeve, 100); An outer protrusion fixed to the seating part 110 provided in the bolt part 100 and inclined upwards from the head part to the other end when the anchor bolt is inserted into the insertion hole; A sleeve part 200 provided with a locking step 220 for preventing and fixing the flow in the longitudinal direction when coupled with the locking part 220; And a nut (300) provided on the threaded portion (120).

The mounting portion 110 is formed by machining the outer diameter portion of the bolt portion 100 so as to be stepped by the thickness of the sleeve and has a first locking protrusion 111 formed to prevent the sleeve from coming off, A fixing protrusion (112) formed on the side of the first stopping protrusion (111) and formed in the axial direction of the head portion in order to fix the position of the sleeve in the circumferential direction, And a tapered portion 114 which is coupled with the engaging jaws 220 provided on the sleeve portion 200 and forms a predetermined space to be fixedly seated.

The sleeve includes a main body 230 having a rectangular cross-section of a metal material having a predetermined thickness, and a plurality of sleeves 221, Shaped slit grooves 240 are formed at one side of the main body 230 so as to correspond to the width and length of each of the inner protrusions 240 Shaped slit groove 221 is formed at one side of the main body 230 and is bent to one side to be engaged with the wedge part 114 to form the bolt part 100).

At this time, the sleeve is formed by bending one end of the main body, including the inner protrusion, by a predetermined width in one direction, and then bending the inner protrusion in the same direction by a predetermined width, Molded so as to be in contact with an end of the slit groove 221 of the outer protruding portion and the entirety of the sleeve is bent and formed so as to have an inner diameter dimension corresponding to the outer diameter of the seating portion 110 to form the shape of the sleeve, The jaw 220 is formed by bending a predetermined angle in the direction of the central axis of the sleeve formed in a cylindrical shape to have a shape of a sleeve.

Both end portions of the sleeve bent and formed into a cylindrical shape as described above are formed with a widening slit portion 250 formed at a distance corresponding to the width of the fixing protrusion 113 and the widening slit portion 250 Includes a fixing protrusion seating part (251) bent at a distance corresponding to the width of the fixing protrusion, and a coupling expansion part (252) formed at a distance smaller than the width of the fixing protrusion .

The inner protrusions, the outer protrusions, and the engagement protrusions 220 may be selectively formed at two or more positions. The positions and the number of the inner protrusions, the outer protrusions, and the engagement protrusions 220 may be changed in various forms such as design changes by the designer.

In another embodiment of the sleeve-integrated anchor bolt, the sleeve includes a main body portion 230 having a rectangular cross-sectional shape of a metal material having a predetermined thickness, And an inner protrusion protruding from the inner protrusion 240 with a predetermined length and width at positions corresponding to each other with respect to the center of the inner protrusion 240, A second inner protrusion 240 'including a "C" -shaped slit groove 221 at one side of the main body 230, and a second inner protrusion 240' A second outer protrusion 210 'including a slit groove 221 having a "C" shape corresponding to a width and a length of each of the second inner protrusions 240 is formed at one side of the main body 230, On one side of the main body 230, a "D" -shaped slit groove 221 is formed and bent to one side In combination with the group Te waveguide 114 is provided, including a locking jaw 220 to secure the bolt member (100).

At this time, after the flat plate-like sleeve is bent in one direction by a predetermined width, including the inner protruding portion, the one end portion of the main body contacting with the inner protruding portion, the inner protruding portion is bent again in the same direction by a predetermined width The second inner protrusion 240 'is bent and formed in one direction by a predetermined width, and then the second inner protrusion 240' is formed by bending the second inner protrusion 240 ' Is formed so as to be in contact with the end of the slit groove 221 of the second outer projection part 210 ', and the entire sleeve is folded in a direction corresponding to the outer diameter of the seating part 110 The sleeve 220 is bent and formed by a predetermined angle in the direction of the central axis of the sleeve formed in the cylindrical shape, It is provided with an award.

Both end portions of the sleeve bent and formed into a cylindrical shape as described above are formed with a widening slit portion 250 formed at a distance corresponding to the width of the fixing protrusion 113 and the widening slit portion 250 Includes a fixing protrusion seating part (251) bent at a distance corresponding to the width of the fixing protrusion, and a coupling expansion part (252) formed at a distance smaller than the width of the fixing protrusion .

At this time, both end portions of the sleeve, which is formed by bending the flat sleeve portion 200 into a cylindrical shape, are bent and formed so that a distance corresponding to the width of the fixing protrusion 113 is formed. The inner protrusions, the outer protrusions, and the engagement protrusions 220 may be selectively formed at two or more positions. The positions and the number of the inner protrusions, the outer protrusions, and the engagement protrusions 220 may be changed in various forms such as design changes by the designer.

The combination of the second inner protruding portion 240 'and the second outer protruding portion 210' may be provided in combination of drainage.

The anchor bolt may be inserted into the insertion hole by inserting the insertion hole provided in the wall into the insertion hole by a drilling operation somewhat larger than the outer diameter of the anchor bolt, When the bolt is hit, the fixed blade provided on the sleeve is unfolded to press and fix the wall surface of the insertion hole, thereby making it possible to easily and quickly make the working process of the anchor bolt.

1 is a perspective view showing the configuration of a sleeve-integrated anchor bolt according to an embodiment of the present invention.
2 is an exploded perspective view showing a structure of an integral sleeve bolt according to an embodiment of the present invention.
3 is a cross-sectional perspective view showing the structure of the sleeve-integrated anchor bolt according to the embodiment of the present invention.
4 is a cross-sectional view illustrating the configuration of a sleeve of the sleeve-integrated anchor bolt according to the embodiment of the present invention.
5 is a perspective view illustrating another embodiment of the sleeve-integrated anchor bolt according to the embodiment of the present invention.
6 is a cross-sectional perspective view showing another embodiment of the sleeve-integrated anchor bolt according to the embodiment of the present invention.
7 is a view showing another embodiment of a sleeve-integrated anchor bolt sleeve according to an embodiment of the present invention.
FIG. 8 is a view illustrating fixing using a sleeve-integrated anchor bolt according to an embodiment of the present invention or insertion into an insertion hole formed in a wall.
FIG. 9 is a view illustrating fixing using a sleeve-integrated anchor bolt according to an embodiment of the present invention or insertion into an insertion hole formed in a wall.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. It should be understood, however, that there is no intention to limit the scope of the present invention to the embodiment shown, and that other embodiments falling within the scope of the present invention may be easily devised by adding, Can be proposed.

1 is a perspective view showing the configuration of a sleeve-integrated anchor bolt according to an embodiment of the present invention. 2 is an exploded perspective view showing a structure of an integral sleeve bolt according to an embodiment of the present invention. 3 is a cross-sectional perspective view showing the structure of the sleeve-integrated anchor bolt according to the embodiment of the present invention. 4 is a cross-sectional view illustrating the configuration of a sleeve of the sleeve-integrated anchor bolt according to the embodiment of the present invention.

Generally, the anchor bolt is formed by inserting an insert hole into a wall, inserting it, and fixing it by hitting it. A drill hole is tightly pierced in comparison with an outer diameter of an anchor bolt, and then the anchor bolt is fixed while being inserted while being struck. The drill hole is loosely drilled into an anchor bolt and inserted into an anchor bolt. It is divided into the form of striking and fixing the sleeve.

Therefore, in the present invention, after the insertion hole provided in the wall is provided by a drilling operation slightly larger than the outer diameter of the anchor bolt, if the anchor bolt is inserted into the insertion hole and then the anchor bolt is struck, And an anchor bolt which is integrally formed with the sleeve.

Generally, the anchor bolt is formed by inserting an insert hole into a wall, inserting it, and fixing it by hitting it. A drill hole is tightly pierced in comparison with an outer diameter of an anchor bolt, and then the anchor bolt is fixed while being inserted while being struck. The drill hole is loosely drilled into an anchor bolt and inserted into an anchor bolt. It is divided into the form of striking and fixing the sleeve.

Therefore, in the present invention, after the insertion hole provided in the wall is provided by a drilling operation to be somewhat larger than the outer diameter of the anchor bolt, after the anchor bolt is inserted into the insertion hole, when the anchor bolt is struck, (210) is unfolded to press and fix the wall surface of the insertion hole.

The sleeve-integrated anchor bolt according to an embodiment of the present invention includes a sleeve inserted into an insertion hole formed in a wall and spaced a predetermined distance from a head inserted into the insertion hole, And a threaded portion 120 to which a washer and a nut 300 are coupled. The fixing portion 110 is provided with a fixing protrusion 113 for providing a space in which the sleeve is seated and preventing the sleeve from flowing in the circumferential direction, (100); An outer protrusion 210 fixed to the seating part 110 provided in the bolt part 100 and inclined upwards from the head part to the other end when the anchor bolt is inserted into the insertion hole, A sleeve portion 200 having a locking protrusion 220 for preventing and fixing a flow in a longitudinal direction when engaged with the unit 100; And a nut (300) provided on the threaded portion (120).

The mounting portion 110 is formed by machining the outer diameter portion of the bolt portion 100 so as to be stepped by the thickness of the sleeve and has a first locking protrusion 111 formed to prevent the sleeve from coming off, A fixing protrusion (112) formed on the side of the first stopping protrusion (111) and formed in the axial direction of the head portion in order to fix the position of the sleeve in the circumferential direction, And a tapered portion 114 which is coupled with the engaging jaws 220 provided on the sleeve portion 200 and forms a predetermined space to be fixedly seated.

The sleeve includes a main body 230 having a rectangular cross-section of a metal material having a predetermined thickness, and a plurality of sleeves 221, And an inner protrusion 240 protruding from the inner protrusion 240 at a predetermined length and width at one side of the main body 230, The outer protrusion 210 including the slit groove 221 and the slit groove 221 having a U shape are formed on one side of the main body 230 and bent to one side, And a latching jaw 220 for fixing the bolts 100 to each other.

At this time, the sleeve is formed by bending one end of the main body, including the inner protrusion 240, contacting the inner protrusion 240 in one direction by a predetermined width, and then pressing the inner protrusion 240 in a predetermined direction And is formed so as to be in contact with an end of the slit groove 221 of the outer protrusion 210. The entirety of the sleeve is bent so as to have an inner diameter dimension corresponding to the outer diameter of the seating portion 110, And the shape of the sleeve is formed by bending the engagement step 220 by a predetermined angle in the direction of the central axis of the sleeve formed in a cylindrical shape.

As described above, both ends of the sleeve bent and formed into a cylindrical shape are provided with a widening slit part 250 formed at a distance corresponding to the width of the fixing protrusion 113, and the widening slit part 250) includes a fixing protrusion seating part (251) bent at a distance corresponding to the width of the fixing protrusion, and a coupling expansion part (252) formed at a distance smaller than the width of the fixing protrusion do.

When the fixing protrusion of the bolt portion is positioned on the fixing projection receiving portion 251 of the widening slit portion 250 of the sleeve and the end portion of the fixing protrusion is hit by the hammering operation, And moves to the slit formed in the coupling tube portion 252 and simultaneously expands the coupling tube portion to both sides so as to radially expand the outer diameter of the sleeve and to press the inner wall surface of the insertion hole do.

The inner protrusions 240, the outer protrusions 210, and the latching jaws 220 may be selectively formed at two or more positions. The positions and the number of the inner protrusion 240, the outer protrusion 210, and the latching jaw 220 may be modified in various forms by designers.

5 is a perspective view illustrating another embodiment of the sleeve-integrated anchor bolt according to the embodiment of the present invention. 6 is a cross-sectional perspective view showing another embodiment of the sleeve-integrated anchor bolt according to the embodiment of the present invention. 7 is a view showing another embodiment of a sleeve-integrated anchor bolt sleeve according to an embodiment of the present invention.

In another embodiment of the sleeve-integrated anchor bolt, the sleeve includes a main body portion 230 having a rectangular cross-sectional shape of a metal material having a predetermined thickness, The inner protrusion 240 protrudes from the inner protrusion 240 at a position corresponding to the center of the inner protrusion 240 and has a predetermined length and width. Shaped slit groove 221 so as to correspond to the length of the main body 230. The outer side of the main body 230 includes a slit groove 221 having a substantially U- And a second outer protrusion 240 including a slit groove 221 having a "C" shape corresponding to the width and length of each of the second inner protrusions 240 is formed at one side of the main body 230, Shaped slit groove 221 is formed at one side of the main body 230 and a bent portion 221 ' Turning in conjunction with the rim waveguide 114 is provided, including a locking jaw 220 to secure the bolt member (100).

At this time, the flat-type sleeve may be formed by bending one end of the main body, including the inner protrusion 240, contacting the inner protrusion 240 by a predetermined width in one direction, The second inner protruding portion 240 'is bent and formed in one direction by a predetermined width so as to be bent in the same direction by a predetermined width, so as to be in contact with the end portion of the slit groove 221 of the outer protruding portion 210 The second inner protruding portion 240 'is bent in the same direction by a predetermined width so as to be molded and brought into contact with the end of the slit groove 221 of the second outer protruding portion 210' Is formed by bending and shaping the sleeve (220) so as to have an inner diameter dimension corresponding to the outer diameter of the seating part (110), and the engaging step (220) is bent Molding It is provided with the shape of the open sleeve.

At this time, both end portions of the sleeve, which is formed by bending the flat sleeve portion 200 into a cylindrical shape, are bent and formed so that a distance corresponding to the width of the fixing protrusion 113 is formed. The inner protrusions 240, the outer protrusions 210, and the latching jaws 220 may be selectively formed at two or more positions. The positions and the number of the inner protrusion 240, the outer protrusion 210, and the latching jaw 220 may be modified in various forms by designers.

As described above, both ends of the sleeve bent and formed into a cylindrical shape are provided with a widening slit part 250 formed at a distance corresponding to the width of the fixing protrusion 113, and the widening slit part 250) includes a fixing protrusion seating part (251) bent at a distance corresponding to the width of the fixing protrusion, and a coupling expansion part (252) formed at a distance smaller than the width of the fixing protrusion do.

When the fixing protrusion of the bolt portion is positioned on the fixing projection receiving portion 251 of the widening slit portion 250 of the sleeve and the end portion of the fixing protrusion is hit by the hammering operation, And moves to the slit formed in the coupling tube portion 252 and simultaneously expands the coupling tube portion to both sides so as to radially expand the outer diameter of the sleeve and to press the inner wall surface of the insertion hole do.

The combination of the second inner protruding portion 240 'and the second outer protruding portion 210' may be provided in combination of drainage.

FIG. 8 is a view illustrating fixing using a sleeve-integrated anchor bolt according to an embodiment of the present invention or insertion into an insertion hole formed in a wall. FIG. 9 is a view illustrating fixing using a sleeve-integrated anchor bolt according to an embodiment of the present invention or insertion into an insertion hole formed in a wall.

Next, a hammering operation is performed in which the anchor bolt on which the sleeve is mounted is placed in the insertion hole and the end of the bolt portion 100 is pressed. At this time, by the hammering operation for pressing the end portion of the bolt part 100, the wedge part 114 formed in the bolt part 100 pushes the inner sleeve 240 outwardly, To be pushed outwardly and fixed to the insertion hole.

According to the present invention, when the anchor bolt is inserted into the insertion hole after the inserting hole provided in the wall of the wall is made somewhat larger than the outer diameter of the anchor bolt by drilling, when the anchor bolt is struck, The anchor bolt is inserted into the anchor bolt.

100. Bolt portion 110. Seat portion
120. Thread portion 111. First stop jaw
112. Second locking jaw 113. Fixing projection
114. Tee part 200. Sleeve part
210. Outer protrusion 220,
221. Slit groove 230. Body portion
240. Inner protrusion 210 '. The second outer protrusion
240 '. Second inner protrusion 300. Nut
250. Expansion slit portion 251. Fixing projection seat portion
252. Coupling expansion part

Claims (11)

A space which is inserted into the insertion hole formed in the wall and which is spaced a predetermined distance from the head portion inserted into the insertion hole and in which the sleeve for fixing and seating the anchor bolt is seated is provided and the sleeve is prevented from flowing in the circumferential direction And a threaded portion 120 to which the washer and the nut 300 are coupled;
An outer protrusion fixed to the seating part 110 provided in the bolt part 100 and inclined upwards from the head part to the other end when the anchor bolt is inserted into the insertion hole; A sleeve part 200 provided with a locking step 220 for preventing and fixing the flow in the longitudinal direction when coupled with the locking part 220;
And a nut 300 coupled with the bolt 100,
The seating part 110 includes:
A first engaging protrusion 111 and a second engaging protrusion 112 formed so as to be stepped by the thickness of the sleeve at the outer diameter portion of the bolt portion 100 to prevent the sleeve from being separated from the sleeve, And,
A fixing protrusion (113) formed on the side of the first locking step (111) and formed in the axial direction of the head part in order to fix the position of the sleeve in the circumferential direction,
A tapered portion 114 is formed to engage with the engaging jaw 220 provided in the sleeve portion 200 to form a predetermined space for fixing and seating,
The sleeve includes a main body 230 having a rectangular cross section of a metal material having a predetermined thickness, Shaped slit grooves 221 are formed at one side of the main body 230 so as to correspond to the widths and lengths of the respective inner protrusions 240. The inner protrusions are formed with protrusions having a predetermined length and width, Shaped slit groove 221 is formed at one side of the main body 230 and is bent to one side to be engaged with the tapered portion 114 to form the bolt portion 100. [ And an engaging jaw (220) for securing the anchor bolt to the sleeve.
delete delete The method according to claim 1,
After one end of the main body, which includes the inner protruding portion and is in contact with the inner protruding portion, is bent in one direction by a predetermined width,
The inner protruding portion is folded in the same direction by a predetermined width and molded so as to be in contact with the end of the slit groove 221 of the outer protruding portion,
The entirety of the sleeve is bent and formed so as to have an inner diameter dimension corresponding to the outer diameter of the seating part 110 to form the shape of the sleeve,
Wherein the engaging jaw (220) is formed by bending a predetermined angle in the direction of the central axis of the cylindrical sleeve.
5. The method of claim 4,
Both ends of the sleeve bent and formed in a cylindrical shape are provided with a widening slit part 250 formed to have a distance corresponding to the width of the fixing protrusion 113,
The expanding slit part
A fixing protrusion seating part 251 bent at a distance corresponding to the width of the fixing protrusion and a coupling expansion part 252 formed at a distance smaller than the width of the fixing protrusion, Sleeve anchor bolt.
The method according to claim 1,
Wherein the inner protruding portion, the outer protruding portion, and the engagement protrusions (220) are provided at two or more positions, respectively.
The method according to claim 1,
The sleeve
A body portion 230 having a rectangular cross-sectional shape of a metal material having a predetermined thickness,
An inner protrusion protruding from one side of the longitudinal side of the main body 230 with a predetermined length and width at positions corresponding to each other around the center,
An outer protrusion part including a slit groove 221 having a shape of 'C' corresponding to the width and the length of each of the inner protrusions 240 is formed at one side of the body part 230,
A second inner protrusion 240 'including a "D" -shaped slit groove 221 is formed on one side of the main body 230,
A second outer protrusion 210 'including a slit groove 221 having a "C" shape corresponding to a width and a length of each of the second inner protrusions 240 is formed at one side of the main body 230,
A slit groove 221 is formed at one side of the main body 230 so that the slit groove 221 is bent at one side to engage with the tapered portion 114 and fix the slit groove 220 to the bolt portion 100 Wherein the anchor bolt is formed of a synthetic resin.
8. The method of claim 7,
After one end of the main body, which includes the inner protruding portion and is in contact with the inner protruding portion, is bent in one direction by a predetermined width,
The inner protruding portion is folded in the same direction by a predetermined width and molded so as to be in contact with the end of the slit groove 221 of the outer protruding portion,
The second inner protrusion 240 'is bent and formed in one direction by a predetermined width,
The second inner protrusion 240 'is bent and bent in the same direction by a predetermined width so as to be in contact with the end of the slit groove 221 of the second outer protrusion 210'
The entirety of the sleeve is bent and formed so as to have an inner diameter dimension corresponding to the outer diameter of the seating part 110 to form the shape of the sleeve,
Wherein the engaging jaw (220) is formed by bending a predetermined angle in the direction of the central axis of the cylindrical sleeve.
9. The method of claim 8,
Both ends of the sleeve bent and formed in a cylindrical shape are provided with a widening slit part 250 formed to have a distance corresponding to the width of the fixing protrusion 113,
The expanding slit part
A fixing protrusion seating part 251 bent at a distance corresponding to the width of the fixing protrusion and a coupling expansion part 252 formed at a distance smaller than the width of the fixing protrusion, Sleeve anchor bolt.
9. The method of claim 8,
Wherein the inner protruding portion, the outer protruding portion, the second inner protruding portion 240 ', the second outer protruding portion 210', and the latching jaw 220 are provided at two or more positions, respectively.
8. The method of claim 7,
The combination of the second inner protrusion 240 'and the second outer protrusion 210'
Wherein the anchor bolt and the sleeve are integrally formed with each other.
KR1020160021872A 2016-02-24 2016-02-24 sleeve assembled anchorbolt KR101908718B1 (en)

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KR102254430B1 (en) 2018-09-20 2021-05-24 주식회사정평이앤씨 Firefighting earthquake-resistant shaking prevention struting supporter concrete fixing structure of anchor bolt protrusion type with increased detachment prevention function
CN110670230A (en) * 2019-09-27 2020-01-10 海宁和兴源纺织有限公司 Leg assembly in warp knitting machine
CN110594260A (en) * 2019-10-15 2019-12-20 杨稀 Concave-convex expansion bolt

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Publication number Priority date Publication date Assignee Title
KR200412549Y1 (en) * 2006-01-17 2006-03-28 최명환 Anchor bolt
KR101129501B1 (en) * 2011-05-11 2012-03-28 김용운 Anchor bolt

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