KR100843185B1 - An apparatus for adjusting the level of the concretemold - Google Patents

Abstract

A leveling apparatus for a concrete form is provided to prevent foreign matters from attaching to the end portion of a bolt by driving the bolt into a support member not to be exposed to the outside. A leveling apparatus for a concrete form comprises a fixed bar(20) and a movable bar(30), and a height-adjusting unit(400). The height-adjusting unit, installed between the fixed bar and the movable bar to move the movable bar up and down, includes a support member(410), a cylindrical nut(430), a rotating member(450), and a bolt(470). The support member is fixed to the fixed bar and provided with a hole at the top thereof. The cylindrical nut is rotative in the hole of the support member and is provided with a female thread on the inner surface thereof. The rotating member is mounted on the top of the cylindrical nut, which is located on the support member, to apply external force to the support member. The bolt includes a head and a body. The head of the bolt is fixed to the bottom of the movable bar. The body of the bolt is driven into to the cylindrical nut. A ring-like protrusion is formed around the outer surface of the cylindrical nut in order to prevent the nut from separating out of the support member.

Description

Formwork Leveling Device {AN APPARATUS FOR ADJUSTING THE LEVEL OF THE CONCRETEMOLD}

1 is a perspective view of a conventional formwork leveling device,

Figure 2 is a perspective view of the formwork horizontal control device applied height adjustment means according to the present invention,

3 is an exploded perspective view of the height adjusting means according to the present invention;

4 is a cross-sectional view taken along the line A-A of FIG. 2;

5 is a cross-sectional view for explaining the operation of the height adjustment means according to the present invention.

*** Explanation of symbols for the main parts of the drawing ***

10, 100: formwork leveling device 20: fixed bar

22: web plate portion 24: flange portion

26: fixed plate 30: moving bar

32: vertical plate portion 34: horizontal plate portion

36: fastener 40, 400: height adjustment means

42: fixture 44: bolt

45: support 46a: top plate

46b: Lower plate 47a, 47b: Insertion hole

48: regulator 49: protrusion bar

50: nail 60: slab

80: pin 410: support

411: coupling hole 430: cylindrical nut

431: thread groove 433: ring protrusion

450: rotating part 451: insertion hole

453: coupling hole 470: bolt

471: head 473: body

490, 490 ': washer

The present invention relates to a formwork leveling device, and more particularly, to a formwork leveling device that facilitates work and protects the end of the bolt from scattering around the work area.

In general, many construction sites such as apartments or office buildings have many repetitive works on the same plane, and use pre-formed formwork of a certain size so that it can be reused repeatedly. Is common.

In the construction of such a concrete wall, the slab on which the wall of the building rises does not maintain a constant level, but has a slight inclination. Accordingly, a means for adjusting the exact vertical and horizontal level of the formwork assembled thereon is registered in Korea. Utility Models Nos. 285372, 285373, 285374 and 300525 have been proposed and used for foam panel folding horizontal adjustment pedestals for walls.

However, the conventional leveling pedestal has a problem in that its configuration is very complicated or includes a hassle in installation and operation, which lowers the work efficiency, and the product price is increased due to the complex configuration of the leveling pedestal.

Therefore, in order to solve the above-mentioned problems, it is possible to adjust the height quickly to improve the work efficiency, and the present applicant has proposed a formwork horizontal adjusting device which is easy to work due to a relatively simple configuration and low manufacturing cost. US Pat.

1 is a perspective view of a conventional formwork horizontal adjustment device.

As shown in FIG. 1, the conventional formwork horizontal adjusting device 10 is largely fixed to a ground bar fixed to a building slab 20, and is positioned at an upper end of the fixing bar 20 and moves up and down at the same time. 30 and the height adjusting means 40 is installed between the fixed bar 20 and the moving bar 30 and provided to move the moving bar 30 up and down.

In the above-described configuration, the height adjusting means 40 is attached to the inner side of the lower end of the moving bar 30 and is fixedly attached to the upper surface of the bolt 44 and the fixing bar 20 extending through the lower end, and a predetermined space therein is provided. It is formed into an upper plate and a lower plate to be formed, and is inserted between the upper plate and the lower plate of the support 45 and the support 45, each of which has an insertion hole formed therein so that the bolt 44 penetrates to the lower end thereof, It comprises a control mechanism 48 is attached to the protrusion bar 49 is attached to the screw bolt to extend the bolt 44 to move up and down.

Therefore, as the adjusting mechanism 48 rotates, the bolt 44 is moved up and down so that the height of the moving bar 30 can be conveniently adjusted.

However, according to the conventional formwork horizontal adjustment device 10 has the advantage that the height of the movable bar 30 can be conveniently adjusted, while the projection bar 49 is inserted into the support 45, the operator is the projection bar 49 There is a problem that it is not easy to rotate the projection bar 49 is narrow enough to hold a).

In addition, the projection bar 49 is mainly rotated by the operator's hand, because of the above-mentioned problems when the impact using a tool to turn the projection bar 49 more easily there is a risk that the projection bar 49 is broken.

In addition, since the protrusion bar 49 is exposed to the outside, by-products such as concrete debris penetrates into the screw grooves of the bolt 44, and thus the bolt 44 may not function properly.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a formwork horizontal adjustment device that allows the rotating part to be rotated more conveniently by installing the rotating part outside the support.

Another object of the present invention is to provide a formwork leveling device which can prevent the attachment of the fly-by to the end of the bolt screwed inside the support by closing all the sides of the support.

In order to achieve the above object, the present invention is installed between a fixed bar and a mold coupled to the moving bar fixed on the slab of the building in the formwork horizontal adjustment device having a height adjusting means for moving the movable bar up and down, Height adjusting means is fixed on the fixing bar, the support hole is a coupling hole in the upper surface; A cylindrical nut rotatably inserted into a coupling hole of the support and having a screw groove formed on an inner surface thereof; A rotating part inserted into and coupled to an outer surface of an upper portion of the cylindrical nut protruding to the outside of the support to apply an external force from the outside of the support; And a head fixed to the bottom of the movable bar, and a body screwed to the cylindrical nut.

Preferably, the outer peripheral surface of the cylindrical nut is formed with a ring-shaped projection for preventing the cylindrical nut from moving upward from the support, a washer is inserted between the support and the rotating part to help the rotation of the rotating part.

In particular, the rotating part is formed in the center of the insertion hole is inserted into the cylindrical nut, the end is made of a '+' shape of the coupling hole for the other equipment can be coupled, the end is such that the coupling hole is parallel to the side of the support To form a 'b' shape.

In addition, the height adjusting means is preferably installed at least two between the fixed bar and the moving bar.

Hereinafter, the formwork leveling device of the present invention will be described in more detail with reference to the accompanying drawings.

Figure 2 is a perspective view of the formwork horizontal control device is applied height adjustment means according to the present invention.

As shown in FIG. 2, the formwork horizontal adjusting device 100 having the height adjusting means 400 according to the present invention has a fixed bar 20, which is grounded and fixed to a slab of a building, and an upper end of the fixed bar 20. The height adjusting means 400 is installed between the moving bar 30 and the fixed bar 20 and the moving bar 30 which are positioned at the same time and provided to move the moving bar 30 up and down. Can be divided into

In the above-described configuration, the fixing bar 20 is achieved by an angle having a shape in which the “a” letter is rotated 180 degrees. The vertical web plate part 22, the bent horizontal flange part 24, and the flange part 24 are formed. It is preferable that the fixed plate 26 is provided on both sides of the).

At this time, the vertical web plate portion 22 is positioned toward the concrete pouring surface, the flange portion 24 is grounded to the slab 60 of the building is fixed to the fixed plate 26 is provided on both sides.

Next move bar 30 is achieved by an angle having a shape of rotating the left and right about 180 degrees around the vertical axis "a" bar, the vertical vertical plate portion 32 and the fastening hole 36 is formed on the top surface It is preferably composed of a horizontal horizontal plate portion 34.

At this time, the vertical plate portion 32 is positioned to move up and down along the outer surface of the web plate portion 22 of the fixing bar 20, the horizontal plate portion 34 is installed horizontally to fasten the formwork to support.

Next, the height adjusting means 400 is fixed on the fixing bar 20, the support 410, the coupling hole is perforated on the upper surface; A cylindrical nut 430 rotatably coupled to a coupling hole of the support 410 and having a screw groove formed on an inner surface thereof; A rotating part 450 coupled to an outer surface of the cylindrical nut 430 so as to be positioned above the support 410, and having an external force applied to rotate the cylindrical nut 430; And the head portion is fixed to the bottom of the moving bar 30, the body portion is a bolt 470 is screwed to the cylindrical nut 430; comprising a bar, will be described in detail with reference to FIG.

Therefore, the formwork horizontal control device 100 according to the present invention is provided with a height adjusting means 400 is rotated by the rotating portion 450, the cylindrical nut 430 is rotated by the bolt 470 is moved up and down the bolt ( The moving bar 30 combined with the 470 is moved up and down.

3 is an exploded perspective view of the height adjusting means according to the present invention.

As shown in Figure 3, the height adjusting means 400 according to the present invention is fixed on the fixing bar 20, the support 410 is a coupling hole 411 in the upper surface; A cylindrical nut 430 rotatably coupled to the coupling hole 411 of the support 410 and having a screw groove 431 formed therein; A rotating part 450 coupled to an outer surface of the cylindrical nut 430 so as to be positioned above the support 410, and having an external force applied to rotate the cylindrical nut 430; A washer 490 coupled to the cylindrical nut 430 to be inserted between the support 410 and the rotary part 450 to assist the rotation of the rotary part 450; The washer 490 ′ and the head 471 coupled between the upper surface of the support 410 and the ring-shaped protrusion 433 of the cylindrical nut 430 to assist the rotation of the rotary part 450 are the bottom surface of the movable bar 30. It is fixed to, the body portion 473 is a bolt 470 that is screwed to the cylindrical nut 430; comprises a.

In the above-described configuration, it is preferable to form a ring-shaped protrusion 433 on the outer circumferential surface of the cylindrical nut 430 to prevent the cylindrical nut 430 from being separated upward from the support 410.

 Next, the rotation part 450 has an insertion hole 451 into which a cylindrical nut 430 is inserted in the center portion, and is formed in a '+' shape in which a coupling hole 453 to which other equipment can be coupled is formed at the end. The end is bent in a 'b' shape so that the coupling hole 453 is parallel to the side of the support 410.

Therefore, the rotating part 450 is configured to protrude to the outside of the support 410 can be easily rotated by the operator.

Next, the head 471 of the bolt 470 is preferably welded to the bottom of the copper bar 30.

At this time, in order for the bolt 470 to move up and down by the rotation of the cylindrical nut 430, the bolt 470 should be fixed so as not to rotate itself. Therefore, the bolt 470 is directly welded to the inner bottom of the moving bar 30.

Accordingly, even when the cylindrical nut 430 screwed with the bolt 470 is rotated, the bolt 470 is moved up and down without being rotated, and the end portion is protected from the scattering around the work place by the support to extend the life. You can expect the effect.

On the other hand, it is preferable that two or more height adjusting means 400 is installed between the fixing bar 20 and the moving bar 30.

4 is a cross-sectional view taken along the line A-A of FIG. 2, and FIG. 5 is a view for explaining the operation of the height adjusting means according to the present invention.

 As shown in FIG. 4, the horizontal flange portion 24 of the fixing bar 20 is grounded to the slab 60 of the building by fastening the nail 50 to the fixing plate 26, and the vertical web plate portion 22. Is installed to be positioned towards the concrete pour surface.

At this time, the vertical plate portion 32 of the movable bar 30 located at the upper end of the fixed bar 20 is provided to move up and down by grounding the outer surface of the web plate portion 22 of the fixed bar 20, and the horizontal plate portion 34 ) Is fastened through the formwork and the fastening hole (36).

Height adjusting means 400 is the core of the present invention is provided between the fixed bar 20 and the moving bar 30 to move the moving bar 30 up and down.

Rotating the rotary part 450 of the height adjusting means 400 in the state of Figure 4 as shown in Figure 5 the bolt 470 that is screwed with the cylindrical nut 430 is lowered and the formwork is also lowered, Figure Rotating the rotary part 450 of the height adjustment means 400 in the state of 5 as shown in Figure 4 the bolt 470 is screwed with the cylindrical nut 430 is raised to increase the formwork.

At this time, the head part 471 of the bolt 470 is welded to the lower end surface of the horizontal plate part 34 of the moving bar 30, thereby preventing the bolt 470 from rotating so that the bolt 470 moves only up and down without rotation. do.

 Therefore, as the operator rotates the rotary part 450 very easily without a separate tool, the moving bar 30 connected to the formwork can be adjusted horizontally.

The foregoing has outlined rather broadly the features and technical advantages of the present invention in order to better understand the claims of the invention which will be described later. Additional features and advantages constituting the claims of the present invention will be described below. It should be appreciated by those skilled in the art that the conception and specific embodiments of the invention disclosed may be readily used as a basis for designing or modifying other structures for carrying out similar purposes to the invention.

In addition, such modifications or altered equivalent structures by those skilled in the art as a basis for modifying or designing the structures and embodiments of the invention disclosed in the present invention to other structures for carrying out the same purposes of the present invention are patents Various changes, substitutions and changes may be made without departing from the spirit or scope of the invention as set forth in the claims.

As described above, the formwork horizontal adjusting device of the present invention has a rotating part installed outside the support to facilitate the rotation of the rotating part, the effect that can prevent the attachment of the scattered products to the end of the bolt screwed into the support There is.

Claims (5)

delete Formwork is provided between the fixed bar 20 is fixed on the slab 60 of the building and the movable bar 30 coupled to the formwork is provided with a height adjusting means 400 for moving the movable bar 30 up and down In the leveling device, The height adjusting means 400 A support 410 fixed to the fixing bar 20 and having a coupling hole 411 formed on an upper surface thereof; A cylindrical nut 430 rotatably inserted into the coupling hole 411 of the support 410 and having a screw groove 431 formed on an inner surface thereof; A rotating part 450 coupled to an outer surface of an upper portion of the cylindrical nut 430 protruding to the outside of the support 410 so as to apply an external force from the outside of the support 410; And Head 471 is fixed to the bottom of the movable bar 30, the body portion 473 is a bolt 470 that is screwed to the cylindrical nut 430; includes, Forming horizontal adjustment device, characterized in that formed on the outer circumferential surface of the cylindrical nut 430 is a ring-shaped projection (433) for preventing the cylindrical nut 430 from being separated upward from the support (410). The method of claim 2, Formwork horizontal adjustment device, characterized in that the washer (490) is inserted between the support (410) and the rotating part (450). The method of claim 2, Forming horizontal adjustment device, characterized in that the washer (490 ') is inserted between the support 410 and the ring-shaped projection (433) of the cylindrical nut (430). The method of claim 2, The rotating part 450 is formed of an insertion hole 451 in which the cylindrical nut 430 is inserted into the center portion, and is formed in a '+' shape in which a coupling hole 453 to which other equipment can be coupled is formed at the end. The end of the formwork horizontal adjustment device, characterized in that the coupling hole (453) is bent in a 'b' shape parallel to the side of the support (410).

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