KR20170034551A - sleeve for fixing PC block and the method of making thereof - Google Patents

sleeve for fixing PC block and the method of making thereof Download PDF

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Publication number
KR20170034551A
KR20170034551A KR1020150132960A KR20150132960A KR20170034551A KR 20170034551 A KR20170034551 A KR 20170034551A KR 1020150132960 A KR1020150132960 A KR 1020150132960A KR 20150132960 A KR20150132960 A KR 20150132960A KR 20170034551 A KR20170034551 A KR 20170034551A
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KR
South Korea
Prior art keywords
support tube
concave grooves
tube body
block
sleeve
Prior art date
Application number
KR1020150132960A
Other languages
Korean (ko)
Inventor
천효민
천성국
Original Assignee
천효민
천성국
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 천효민, 천성국 filed Critical 천효민
Priority to KR1020150132960A priority Critical patent/KR20170034551A/en
Publication of KR20170034551A publication Critical patent/KR20170034551A/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
    • E04B1/043—Connections specially adapted therefor
    • 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
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
    • E04B1/06—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material the elements being prestressed
    • E04B1/40—

Abstract

The present invention relates to a sleeve for fixing a PC block with new structure firmly fixed on a PC block or a floor. A sleeve for fixing a PC block according to the present invention comprises a support tube body (10) which is vertically extended and has a plurality of concave grooves (11, 12, 13, 14) formed on a circumferential surface of the support tube body (10) so that the support tube body can be firmly fixed to a PC block (1) or a bottom surface (2) of a building.

Description

[0001] The present invention relates to a sleeve for fixing a PC block and a sleeve for fixing a PC block,

The present invention relates to a PC block fixing sleeve and a PC block fixing sleeve used for firmly fixing a PC block to a floor surface.

Recently, the use of PC blocks (precast blocks) has been increasing in construction of buildings.

The PC block is constructed to be assembled by assembling a block in advance at a factory and then transporting it to the site, thereby reducing the time required for placing and hardening concrete in the field, thereby reducing the time required for building a building.

On the other hand, in order to fix the PC block to the bottom surface of the building, a PC block fixing sleeve corresponding to the lower and the bottom surfaces of the PC block is provided.

As shown in FIGS. 1 and 2, the PC block fixing sleeve has a tubular shape extending in the up-and-down direction and having open upper and lower ends. The lower and upper surfaces of the PC block 1 and the bottom surface 2 They are purchased to cope with each other.

Therefore, the reinforcing bars 3 are inserted into the PC block 1 and the sleeves 4 embedded in the bottom surface 2, and the concrete is injected and cured into the sleeves 4, It can be fixed firmly to the bottom surface 2.

However, since the sleeve 4 for fixing the PC block is simply formed as a tubular body extending in the vertical direction, it is difficult to firmly fix the sleeve 4 to the PC block 1 or the bottom surface 2, There arises a problem that the sleeve 4 can be separated from the PC block 1 or the bottom surface 2.

Therefore, there is a need for a new method to solve such a problem.

Patent No. 10-1270697, 10-1277751,

SUMMARY OF THE INVENTION It is an object of the present invention to provide a PC block fixing sleeve having a new structure firmly fixed on a PC block or a floor surface.

In order to achieve the above object, the present invention provides a sleeve for fixing a PC block, which is formed in a tube shape extending in the vertical direction and embedded in the PC block (1) or the bottom surface (2) of a building, 12, 13, 14 formed by pressing the circumferential surface of the support tube 10 inward is formed on the circumferential surface of the support tube body 10 A PC block fixing sleeve is provided.

According to another aspect of the present invention, the concave grooves (11, 12, 13, 14) include a plurality of front and rear concave grooves (11, 12) formed on the front and rear surfaces of the support tube body The front and rear side concave grooves 11 and 12 and the left and right side concave grooves 13 and 14 are formed in the left and right side surfaces of the support tube body 10, And the upper and lower positions of the sleeve are fixed to the circumferential surface of the support tube (10).

According to another aspect of the present invention, a reinforcing fin 20 is provided in the support tube 10 so as to extend in the front-rear direction and has front and rear ends fixed to the support tube 10 to reinforce the support tube 10. Wherein a through hole 15 is formed in the front and rear surfaces of the support tube 10 so as to be positioned between the front and rear side concave grooves 11 and 12, The reinforcing pin 20 is welded to the support tube 10 in a state of being inserted into the through hole 15 and the reinforcing fin 20 is joined to the support tube 10 and then the front and rear concave grooves 11, Is formed first, and the left and right concave grooves (13, 14) are formed later.

According to still another aspect of the present invention, there is provided a method of manufacturing a support pipe, comprising the steps of welding a reinforcing fin (20) to a through hole (15) of a support pipe body (10) Forming the left and right concave grooves 13 and 14 by pressing the left and right side surfaces of the support tube body 10 in which the front and rear side concave grooves 11 and 12 are formed, The method of manufacturing a PC block fixing sleeve according to the present invention includes the steps of:

The sleeve for fixing the PC block according to the present invention is provided with the supporting tube body 10 which extends in the up and down direction and has a plurality of concave grooves 11, 12, 13, 14 formed on the circumferential surface of the supporting tube body 10 on the circumferential surface thereof Is firmly fixed to the PC block (1) or the bottom surface (2) of the building.

1 and 2 are side cross-sectional views of a conventional PC block fixing sleeve,
3 is a side cross-sectional view showing the installation state of the PC block fixing sleeve according to the present invention,
4 is a front view of a PC block fixing sleeve according to the present invention;
5 is a side view of a PC block fixing sleeve according to the present invention,
6 is a front sectional view of a PC block fixing sleeve according to the present invention,
7 is a side cross-sectional view of a PC block fixing sleeve according to the present invention,
Fig. 8 is a plan sectional view showing a cross-section taken along the line AA in Fig. 4,
Fig. 9 is a plan sectional view showing a cross-section taken along line BB of Fig. 4,
10 to 13 are reference views showing a method of manufacturing a PC block fixing sleeve according to the present invention.

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

3 to 13 illustrate a sleeve for securing a PC block according to the present invention. The sleeve is fixed to the PC block 1 or the bottom surface 2 of the building, same.

According to the present invention, the sleeve includes a support tube 10 extending upward and downward, and a support tube 10 extending in the front-back direction inside the support tube 10 and having front and rear ends fixed to the support tube 10 And a reinforcing fin (20) for reinforcing the support tube (10).

At this time, concave grooves 11, 12, 13 and 14 are formed on the peripheral surface of the support tube 10 so that the support tube 10 is firmly fixed to the PC block 1 or the bottom surface 2 of the building And is fixedly fixed.

To be more specific, the support pipe body 10 uses a circular metal pipe extending in the vertical direction and having open upper and lower ends.

The concave grooves 11, 12, 13, and 14 include a plurality of front and rear concave grooves 11 and 12 spaced apart from each other in the vertical direction on the front and rear surfaces of the support tube 10, And a plurality of left and right recessed grooves (13, 14) formed on the side surface so as to be spaced apart in the vertical direction.

The front and rear side concave grooves 11 and 12 and the left and right side concave grooves 13 and 14 are formed in a short straight line extending in the circumferential direction of the support tube body 10. The front and rear side concave grooves 11 and 12, And pressing the side surface with a press.

At this time, the front and rear side concave grooves 11, 12 and the left and right concave grooves 13, 14 are formed on the circumferential surface of the support tube 10 so that their upper and lower positions are different from each other.

That is, the front and rear side concave grooves 11 and 12 and the left and right side concave grooves 13 and 14 are formed on the circumferential surface of the support tube body 10. The left and right concave grooves 13 and 14, And the left and right concave grooves 13 and 14 and the front and rear side concave grooves 11 and 12 are arranged in a staggered manner.

10 to 13, the press is provided with upper and lower molds 31 and 32 in which a molding groove 33 corresponding to the supporting tube 10 is formed, A plurality of projections 34 corresponding to the recessed grooves 11, 12, 13, and 14 are formed so as to protrude in the vertical direction.

The reinforcing fin 20 is welded and fixed to the support tube 10 in a state where the front and rear ends thereof are fitted to the through holes 15 formed on the front and rear surfaces of the support tube 10, A function of supporting the support tube 10 so as not to be excessively deformed when the front and rear side recessed grooves 11 and 12 are formed in the tubular body 10 and a function of inserting the sleeve into the PC block 1 or the bottom surface 2 When the reinforcing bars 3 are inserted into the sleeve, the reinforcement pins 3 are caught by the reinforcing pins 20 to prevent the reinforcing bars 3 from being excessively inserted.

The through holes 15 are formed on the front and rear surfaces of the support tube 10 so as to be positioned between the front and rear concave grooves 11 and 12.

An unillustrated reference numeral 16 denotes an injection hole formed at the upper and lower ends of the support tube body 10. After the reinforcement rod 3 is inserted into the support tube body 10, The reinforcing bars 3 may be fixed to the inside of the supporting tube 10 by injecting concrete into the inside of the supporting tube 10.

The structure of the injection hole 16 is shown in a conventional sleeve, and a detailed description thereof will be omitted.

A method of manufacturing the PC block fixing sleeve configured as described above will be described below.

First, both ends of the reinforcing pin 20 are welded and fixed to the supporting tube body 10 after the reinforcing fin 20 is coupled to the through-hole 15 of the supporting tube body 10.

The concave grooves 11, 12, 13, and 14 are formed on the peripheral surface of the support tube 10 to which the reinforcing fin 20 is coupled by using the press.

As shown in FIG. 10, the support tube 10 is arranged so that the reinforcing fin 20 is inserted into the forming groove 33 of the press so as to extend in the vertical direction, The front and rear side recessed grooves 11 and 12 are formed on the front and rear surfaces of the supporting tube body 10 when the supporting tube body 10 is pressed by the upper and lower molds 31 and 32 as shown in FIG.

12, the support tube 10 on which the front and rear concave grooves 11 and 12 are formed is rotated by 90 degrees and placed inside the molding groove 33, As described above, when the support tube 10 is pressed by the upper and lower molds 31 and 32, the left and right concave grooves 13 and 14 are formed.

The sleeve for fixing the PC block thus constructed is provided with the supporting tube body 10 which extends in the upward and downward directions and has a plurality of concave grooves 11, 12, 13, and 14 formed on the circumferential surface of the supporting tube body 10, And is firmly fixed to the PC block 1 or the bottom surface 2 of the building.

In this case, the concave grooves 11, 12, 13, and 14 include a plurality of front and rear concave grooves 11 and 12 formed on the front and rear surfaces of the support tube 10 so as to be spaced apart from each other in the vertical direction, The left and right side concave grooves 11 and 12 and the left and right side concave grooves 13 and 14 are formed on the left and right side surfaces of the support tube body 10 and the left and right side concave grooves 13 and 14, As shown in Fig. 8, the flat cross-section of the support tube 10 at the position where the front and rear side concave grooves 11, 12 are formed is formed to extend in the left-right direction And the flat cross section of the support tube 10 at the position where the left and right concave grooves 13 and 14 are formed is formed in a manor extending in the longitudinal direction as shown in Fig.

Therefore, the shape of the intermediate portion of the support tube 10 is complicatedly deformed in the form of a rectangle extending in the front, back, left and right directions by the front and rear side concave grooves 11, 12 and the left and right concave grooves 13, The tubular body 10 is more firmly fixed to the PC block 1 or the bottom surface 2 of the building.

A reinforcing pin 20 is provided inside the support tube 10 so as to extend in the front and rear direction and has front and rear ends fixed to the support tube 10 to reinforce the support tube 10, The concave grooves 11, 12, 13, and 14 are formed on the support tube body 10 by joining the reinforcing fin 20 to the support tube body 10 and then pressing the front and rear concave grooves 11, The left and right concave grooves 13 and 14 are formed later so that the circumferential surface of the supporting tube body 10 is pressed by the press so that the concave grooves 11, 12, 13 and 14 are formed in the supporting tube body 10, There is an advantage that the support tube body 10 can be prevented from being deformed into an unintended shape.

12, 13, and 14 by pressing the peripheral surface of the support tube body 10 using the press, the support tube body 10 is provided with concave grooves 11, 12, 13, 14 may not be formed and the entire support tube 10 may be distorted into an elliptical shape.

When the front and rear surfaces of the supporting tube body 10 are pressed by the press after the reinforcing fin 20 is coupled to the supporting tube body 10, the supporting tube body 10 is elliptically shaped by the reinforcing fin 20 The front and rear side recessed grooves 11 and 12 can be formed on the front and rear surfaces of the support tube 10 in a precise manner.

When the front and rear side concave grooves 11 and 12 are formed as described above, the support tube body 10 is reinforced to press the left and right sides of the support tube body 10 to form the left and right concave grooves 13 and 14 The left and right concave grooves 13 and 14 are accurately formed without distorting the support tube 10 into an elliptical shape.

Thus, when the reinforcing fin 20 is coupled to the support tube 10 and the front and rear concave grooves 11 and 12 are formed first and then the left and right concave grooves 13 and 14 are formed later, The front and rear concave grooves 11 and 12 and the left and right concave grooves 13 and 14 can be formed in an accurate shape.

10. Support tube 20. Reinforcing pin

Claims (4)

In a sleeve for securing a PC block, which is formed in a tube shape extending in the vertical direction and embedded in the PC block (1) or the bottom surface (2) of a building,
The sleeve includes a support tube (10) extending in an up and down direction,
Wherein a recessed groove (11, 12, 13, 14) formed by pressing the circumferential surface of the support tube body (10) inward is formed on the circumferential surface of the support tube body (10).
The method according to claim 1,
The concave grooves (11, 12, 13, 14)
A plurality of front and rear concave grooves 11, 12 formed on the front and rear surfaces of the support tube 10 so as to be spaced apart in the vertical direction,
And a plurality of left and right concave grooves (13, 14) formed on left and right sides of the support tube (10) so as to be spaced apart in the vertical direction,
Wherein the front and rear side concave grooves (11, 12) and the left and right side concave grooves (13, 14) are formed on the peripheral surface of the support tube body (10) so that their upper and lower positions are different from each other.
3. The method of claim 2,
Further comprising a reinforcing pin (20) extending in the front and rear direction inside the support tube body (10) and having front and rear ends fixed to the support tube body (10) to reinforce the support tube body (10)
Through-holes (15) are formed on the front and rear surfaces of the support tube (10) so as to be positioned between the front and rear side concave grooves (11, 12)
The reinforcing fin 20 is welded to the support tube 10 with the front and rear ends inserted into the through hole 15,
The front and rear side concave grooves 11 and 12 are first formed by using a press after the reinforcing fin 20 is coupled to the support tube 10 and the left and right concave grooves 13 and 14 are formed later PC sleeve fixing sleeve.
Welding the reinforcing pin (20) to the through hole (15) of the support tube (10)
Pressing the front and rear surfaces of the support tube 10 with a press to form the front and rear concave grooves 11 and 12 first,
And pressing the left and right side surfaces of the support tube body (10) provided with the front and rear side recessed grooves (11, 12) with a press to form left and right side recessed grooves (13, 14) Way.
KR1020150132960A 2015-09-21 2015-09-21 sleeve for fixing PC block and the method of making thereof KR20170034551A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150132960A KR20170034551A (en) 2015-09-21 2015-09-21 sleeve for fixing PC block and the method of making thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150132960A KR20170034551A (en) 2015-09-21 2015-09-21 sleeve for fixing PC block and the method of making thereof

Publications (1)

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KR20170034551A true KR20170034551A (en) 2017-03-29

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101270697B1 (en) 2010-04-27 2013-06-03 동국대학교 산학협력단 Precast Concrete Blocks and Remodeling Reinforcing Construction Methods for Low and Middle-rise Beam-column Buildings by Using that Blocks
KR101277751B1 (en) 2010-04-27 2013-06-24 동국대학교 산학협력단 Precast Concrete Blocks and Remodeling Reinforcing Construction Methods for Low and Middle-rise Beam-column Buildings by Using that Blocks

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101270697B1 (en) 2010-04-27 2013-06-03 동국대학교 산학협력단 Precast Concrete Blocks and Remodeling Reinforcing Construction Methods for Low and Middle-rise Beam-column Buildings by Using that Blocks
KR101277751B1 (en) 2010-04-27 2013-06-24 동국대학교 산학협력단 Precast Concrete Blocks and Remodeling Reinforcing Construction Methods for Low and Middle-rise Beam-column Buildings by Using that Blocks

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