KR200475186Y1 - The fixing apparatus for form to concrete - Google Patents

The fixing apparatus for form to concrete Download PDF

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Publication number
KR200475186Y1
KR200475186Y1 KR2020130009837U KR20130009837U KR200475186Y1 KR 200475186 Y1 KR200475186 Y1 KR 200475186Y1 KR 2020130009837 U KR2020130009837 U KR 2020130009837U KR 20130009837 U KR20130009837 U KR 20130009837U KR 200475186 Y1 KR200475186 Y1 KR 200475186Y1
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KR
South Korea
Prior art keywords
cylinder
threaded portion
anchor bolt
outer cylinder
male threaded
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Application number
KR2020130009837U
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Korean (ko)
Inventor
박해대
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박해대
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Priority to KR2020130009837U priority Critical patent/KR200475186Y1/en
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Publication of KR200475186Y1 publication Critical patent/KR200475186Y1/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties

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

Abstract

More specifically, a head 103 is formed at one end of a body 101 and a body 103 is formed at a boundary portion between the body 101 and the head 103. [ And a male threaded portion 105 is formed at the other end portion of the body 101. The threaded portion 105 is formed at the other end of the body 101 and the rounded male threaded portion 105 An anchor bolt (1) having an annular groove (106) formed at a boundary thereof;
An inner cylinder 2a formed as a cylindrical body so as to penetrate the body portion 101 of the anchor bolt 1 and having a female threaded portion 201 formed at one end thereof and an outer cylinder body 2b, A guide groove 202 is formed in the longitudinal direction of the outer cylinder 2b and a locking protrusion 203 is formed at the end of the outer cylinder 2b so as to protrude inwardly so that the outer cylinder 2b A cylinder 2 which is engaged with and engages with the engaging projection 203 of the outer cylinder 2b to allow the outer cylinder 2b to move along the guide groove 202,
A snap ring (3) fitted in the concave groove (106) of the anchor bolt (1) fitted in the cylinder (2);
A support plate 402 is formed at the other end of the cylinder 2 in close contact with an inner surface of the mold 2 and an anchor bolt 1 Is formed with a round female threaded portion 403 to which a rounded male threaded portion 105 is screwed.

Description

The fixing apparatus for form to concrete

The present invention relates to a fixing device for a form, and more specifically, it is installed in a mold in which a concrete wall of a building such as a gum can be constructed in a repeated movement at the same site, The present invention relates to a mold fixing device capable of achieving this.

Formwork is a structure temporarily installed to make a concrete structure into a predetermined shape and dimensions, and a mold made of various materials such as a plywood, a hard fiber board, a synthetic resin, an aluminum panel, and a steel plate is used in a construction site.

In addition, a wide variety of molds have been developed and used depending on the type of the mold, and the molds can be assembled and disassembled every time they are used without increasing the size and simplification of the molds. In case of formwork system, it is widely applied to the exterior wall construction of apartment in Korea.

On the other hand, in the case of the above-mentioned gang form, it is used to construct a wall of a high-rise building such as an apartment, and when the wall of the apartment is vertically constructed, the entire gang is vertically moved and repeatedly used.

Therefore, in the case of gangbang, the concrete is cured and fixed firmly during the time of building the wall. After the construction of the wall is completed, only the fixing parts such as the anchor bolts fixing the gangbum to the wall are removed, By curing the concrete after fixing with another fixing part, it becomes possible to vertically construct a concrete wall of a high-rise building such as an apartment building.

Conventionally, in the process of vertically constructing a concrete wall of a high-rise building using a gantry, a fixed part such as an anchor bolt that fixes the gantry to a wall is separated from the wall only by being embedded in the wall and vertically moved to construct a concrete wall A large number of anchor bolts are required to be used because a large number of anchor bolts are left buried in the wall.

In addition, in the process of tightening the anchor bolt for vertical installation after gang-foam is vertically moved, if the anchor bolt is dropped from the hand by the worker, the anchor bolt falls to the ground, resulting in injury of the worker working on the ground . ≪ / RTI >

The object of the present invention is to make it possible to repeatedly reuse the fixing parts used in the molding of the molds, and to prevent the loss of the fixing parts in the mold releasing process, And to prevent a drop from occurring.

The present invention is characterized in that a head portion 103 is formed at one end of a body 101 and an engaging plate 103 having an outer diameter larger than the outer diameter of the body 101 at a boundary portion between the body 101 and the head 103, And an annular groove 106 is formed at a boundary portion between the body 101 and the rounded male thread 105. The annular groove 105 is formed in the other end of the body 101, A formed anchor bolt 1;

An inner cylinder 2a formed as a cylindrical body so as to penetrate the body portion 101 of the anchor bolt 1 and having a female threaded portion 201 formed at one end thereof and an outer cylinder body 2b, A guide groove 202 is formed in the longitudinal direction of the outer cylinder 2b and a locking protrusion 203 is formed at the end of the outer cylinder 2b so as to protrude inwardly so that the outer cylinder 2b A cylinder 2 which is engaged with and engages with the engaging projection 203 of the outer cylinder 2b to allow the outer cylinder 2b to move along the guide groove 202,

A snap ring (3) fitted in the concave groove (106) of the anchor bolt (1) fitted in the cylinder (2);

A support plate 402 is formed at the other end of the cylinder 2 in close contact with an inner surface of the mold 2 and an anchor bolt 1 And a fastening nut 4 formed with a round female threaded portion 403 to which a rounded male threaded portion 105 is screwed.

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This design makes it easy to dismantle after concrete curing by making round anchor bolts and prevents the anchor bolts from being detached from the cylinder even after the anchor bolts are disassembled, , There is an effect that the disassembled anchor bolt can be reused repeatedly.

FIG. 1 is a perspective view of an assembled state in accordance with a preferred embodiment of the present invention;
2 is an exploded perspective view according to a preferred embodiment of the present invention;
FIG. 3 is an exemplary side view of a mounting state according to a preferred embodiment of the present invention
FIG. 4 is a side sectional view of a state in which an anchor bolt is discharged from a wall after concrete curing according to a preferred embodiment of the present invention; FIG.
Figs. 5 and 6 are cross-sectional views showing still another embodiment of an anchor bolt of the present invention
7 is a cross-sectional view showing another embodiment of the cylinder of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

It is to be noted that like elements in the accompanying drawings are denoted by the same reference numerals throughout the drawings as possible, and detailed descriptions of well-known functions or known configurations that may unnecessarily obscure the gist of the present invention are omitted. Come on.

As shown in the attached drawings, the anchor bolt 1 has a head 103 formed at one end of the body 101, and a body 101 at the boundary between the body 101 and the head 103 The outer diameter of which is larger than the outer diameter of the retaining plate 102.

Accordingly, the anchor bolt 1 can be rotated by using the head 103. The head 103 may be formed in a hexagonal shape like a general anchor bolt, or may be formed in a hexahedron shape having a rectangular cross- The end of the long and hard tool such as a metal strip is inserted into the slot 104 by protruding the head portion 103 and forming a long hole 104 in a direction perpendicular to the body portion 101 The anchor bolt 1 can be screwed to the fastening nut 4 or the anchor bolt 1 embedded in the wall can be unscrewed since the anchor bolt 1 can be rotated. Minimizing the limitations of the tools available when tightening or loosening allows the use of a variety of tools.

In addition, the round bolt portion 105 is formed at the other end of the body portion 101 of the anchor bolt 1 so that the mold 5 is installed and then the concrete is poured into the mold 5 to move the mold after the curing is completed. The frictional force between the cured concrete wall and the rounded male screw portion 105 embedded in the wall is reduced so that the anchor bolt 1 embedded in the wall can be easily released with a small force It is possible to pay.

The anchor bolt 1 and the cylinder 2 must be assembled before the anchor bolt 1 is mounted on the mold. The cylinder 2 is formed as a cylinder so that the body 101 of the anchor bolt 1 passes through the anchor bolt 1 The rounded threaded portion 105 of the anchor bolt 1 is inserted into the center hole of the cylinder 2 so that the trunk portion 101 of the anchor bolt 1 and the rounded male threaded portion 105 of the anchor bolt 1, When the snap ring 3 is fitted in the annular groove 106 at the point where the anchor bolt 1 and the retaining ring 105 meet, the wall formed at one end of the cylinder 2 is engaged with the retaining plate 102 of the anchor bolt 1 and the snap ring 3 So that the anchor bolt 1 and the cylinder 2 can be prevented from being separated from each other.

When the anchor bolt 1 and the cylinder 2 are coupled to each other, the male threaded portion 401 of the fastening nut 4 is inserted through the long hole 104 formed in the formwork on the inner side of the die 5 to form the fastening nut 4 Is screwed on the female threaded portion 201 of the cylinder 2 and the male threaded portion 401 of the clamping nut 4 so as to be in contact with the inner surface of the mold 5, (2) and the fastening nut (4).

After the cylinder 2 and the fastening nut 4 are coupled to each other, the round male threaded portion 105 of the anchor bolt 1 coupled with the cylinder 2 is inserted into a round female threaded portion The circular male threaded portion 105 of the anchor bolt 1 is protruded to the inside of the formwork 5 through the round female threaded portion 403 of the clamping nut 4, When the concrete is laid and cured inside the mold 5 that has been completely installed together, the rounded threaded portion 105 of the anchor bolt 1 is buried in the concrete so that the anchor bolt 1 embedded in the wall formed after the curing of the concrete is completed, The rounded male threaded portion 105 of the mold can support not only the load of the mold but also firmly fix the mold to the wall.

On the other hand, even if the anchor bolt 1 with the rounded male threaded portion 105 is rotated inside the concrete wall cured as shown in FIG. 4, the rounded male threaded portion 105 is completely released from the inside of the wall, So that the anchor bolts 1 are prevented from being separated from the cylinder bolts 1, so that the molds 5 can be separated from the wall body, and then can be moved as a form and reused.

5 to 6 show still another embodiment of the anchor bolt of the present invention. As shown in Fig. 5, the body 101 and the retaining plate 102 are integrally formed, and the retaining plate 102), a hexagonal head of bolt can be integrally formed.

6, the latching plate 102 is formed as a flat washer separately formed from the body 101 and is fastened to the latching plate 102 at the head 103 protruding from one end of the body 101, It is also possible to fix the fastening plate 102 by inserting the fixing pin 108 into the pin fitting hole 107 formed in the head 103. [

FIG. 7 is a cross-sectional view showing another embodiment of the cylinder of the present invention. As shown in the figure, the cylinder 2 includes an inner cylinder 2a formed with a female screw portion 201 at one end thereof, A guide groove 202 is formed in the inner cylinder 2a in the longitudinal direction and a locking protrusion 203 is formed at the end of the outer cylinder 2b so as to protrude inwardly to form an inner cylinder The engaging projections 203 of the outer cylinder 2b are fitted and engaged with the guide grooves 202 of the cylinder 2 so that the outer cylinder 2b can move along the guide grooves 202, The length of the anchor bolt 1 can be shortened, so that the anchor bolt 1 can be inserted and installed more deeply.

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 exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

1: anchor bolt 101: body part
102: latching plate 103: head portion
104: elongated hole 105: rounded male thread
106: grooved groove 107: pin coupling hole
108: Fixing pin 2: Cylinder
201: Female thread part 3: Snap ring
4: fastening nut 401:
402: Support plate 403: Round female thread part
5: Form

Claims (4)

A head 103 is formed at one end of the body 101 and an engagement plate 102 having an outer diameter larger than the outer diameter of the body 101 is formed at the boundary between the body 101 and the head 103, And a circular male threaded portion 105 is formed at the other end of the body 101. An annular anchor 106 having an annular recess 106 is formed at a boundary portion between the body 101 and the circular male threaded portion 105. [ A bolt (1);
An inner cylinder 2a formed as a cylindrical body so as to penetrate the body portion 101 of the anchor bolt 1 and having a female threaded portion 201 formed at one end thereof and an outer cylinder body 2b, A guide groove 202 is formed in the longitudinal direction of the outer cylinder 2b and a locking protrusion 203 is formed at the end of the outer cylinder 2b so as to protrude inwardly so that the outer cylinder 2b A cylinder 2 which is engaged with and engages with the engaging projection 203 of the outer cylinder 2b to allow the outer cylinder 2b to move along the guide groove 202,
A snap ring (3) fitted in the concave groove (106) of the anchor bolt (1) fitted in the cylinder (2);
A support plate 402 is formed at the other end of the cylinder 2 in close contact with an inner surface of the mold 2 and an anchor bolt 1 And a fastening nut (4) formed with a round female threaded portion (403) to which a rounded male threaded portion (105) of the female threaded portion (105) is screwed. delete delete delete
KR2020130009837U 2013-11-29 2013-11-29 The fixing apparatus for form to concrete KR200475186Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020130009837U KR200475186Y1 (en) 2013-11-29 2013-11-29 The fixing apparatus for form to concrete

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020130009837U KR200475186Y1 (en) 2013-11-29 2013-11-29 The fixing apparatus for form to concrete

Publications (1)

Publication Number Publication Date
KR200475186Y1 true KR200475186Y1 (en) 2014-11-11

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KR2020130009837U KR200475186Y1 (en) 2013-11-29 2013-11-29 The fixing apparatus for form to concrete

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200342269Y1 (en) * 2003-10-25 2004-02-18 홍춘희 a joint for a mold
KR200394599Y1 (en) * 2005-06-10 2005-09-02 김용일 Fixing device for form
KR100747686B1 (en) * 2005-12-19 2007-08-08 최정임 A device combining wooden form panels
KR200458138Y1 (en) * 2011-10-19 2012-01-25 미래테크(주) Foot mold for concrete mold

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200342269Y1 (en) * 2003-10-25 2004-02-18 홍춘희 a joint for a mold
KR200394599Y1 (en) * 2005-06-10 2005-09-02 김용일 Fixing device for form
KR100747686B1 (en) * 2005-12-19 2007-08-08 최정임 A device combining wooden form panels
KR200458138Y1 (en) * 2011-10-19 2012-01-25 미래테크(주) Foot mold for concrete mold

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