KR20090052441A - Concrete closing device - Google Patents

Abstract

The present invention relates to a blocking rod which is coupled to a blocking frame of a finishing member installed on a finishing part for connecting or breaking concrete, to form a finishing member together with the blocking frame.

It has a diameter inserted into the fastening hole of the blocking frame, the length of the body is variable or stretched according to the specifications of the concrete joint and the break site, the head portion formed in a larger size than the fastening hole, the outer surface of the body of the blocking frame It consists of a locking projection that prevents the blocking rod from being arbitrarily separated from the fastening hole by being caught by the fastening hole.The handling and handling of the blocking bar by adding various functionalities to the blocking bar of the finishing member for the connection and breaking of the concrete. It can be easily and flexibly change the length of the blocking rod according to the size of concrete joint and break site (pouring surface), etc., and it is the structure of material saving, lowering the manufacturing cost and reinforcing strength. It can be expected to increase the work efficiency and improve productivity.

Concrete, seam, break, block frame, bar, seam and break of concrete, concrete finish, concrete curing

Description

Blocking rods for finishing and cutting concrete {Concrete closing device}

The present invention relates to a blocking rod of the finishing member is installed on the finishing portion for breaking or breaking of concrete,

More specifically, the present invention relates to a blocking rod which is coupled to a blocking frame of a finishing member installed on a finishing part for connecting or breaking concrete, and together with the blocking frame to form a finishing member.

The present invention is characterized in that in the blocking rod to block the lower pour surface between the upper and lower roots and the formwork bottom surface is mounted so that a plurality of separable coupling to the blocking frame of the finishing member to block the upper pour surface of the concrete, It facilitates the handling and use of blocking rods, and the length of the block can be changed and changed variably according to the specifications of concrete joint and break site (pouring surface). After curing, it is given various functionalities such as to facilitate the separation of the blocking rod.

When constructing foundation structures such as slabs of buildings, concrete floors are laid to a certain thickness from the upper reinforcement to a certain height by placing the bottom of the formwork, the bottom reinforcement, and the lower and upper reinforcing bars. If the concrete can not be cast within the working time due to the large casting area in the course of work, or if the concrete supply is suddenly interrupted due to the delay of transportation from the production site of the concrete to the casting site, or the failure of the casting equipment, the area that can be poured is divided. Install a finishing member for the stroke.

In addition, the part that is not constructed integrally with the flat slab, such as the part where the column is constructed in the post-process by vertically penetrating the flat slab, the post-installation part due to the design change of the structure, the material salvage port or the earth and sand outlet, is cut off. It will install a finishing member for.

In the method of installing the finishing member for connecting or cutting the concrete, cutting the plywood, lumber, steel plate, etc. to a certain size to block the reinforcement between the reinforcement bars and to block the length of the joints of the concrete by blocking the length between the upper bar and the pouring surface. Although it was formed, there was a problem that it caused the trouble of installation work and the loss of adhesion strength and the loss of time and labor of construction joints leading between the concrete of the first section to be poured and the concrete of the later section. The inventions of Korean Patent Application Publication No. 1998-015825 and Invention Patent No. 10-0130535 have not solved the existing problems such as troublesome installation work, time consuming work, and loss of labor.

Accordingly, the present applicant simply installs a blocking frame at a complicated and cumbersome part, such as a site where upper and lower transverse and longitudinal muscles intersect, or a site where reinforcement and sinus reinforcement intersects in the upper and lower muscles. Closing the upper pouring surface of the concrete to be placed in the formwork, and the closing member by blocking the space formed between the upper and lower roots and the formwork bottom surface with a plurality of blocking rods mounted so as to be separated and combined to the blocking frame Invented a finishing member for cutting and cutting concrete, which can shorten the installation time of the product and prevent unnecessary material loss and labor loss. (Korean Patent No. 10-0689658)

Then, simply install the blocking frame on the complicated and cumbersome part of the installation of the finishing member to prevent the upper pouring surface of the concrete to be placed in the formwork and between the upper and lower muscles and the bottom surface with a blocking rod that is separated and coupled to the blocking frame By blocking the space formed on the wall, the installation time of the finishing member can be shortened, and the finishing member for connecting and breaking the concrete can be further improved to prevent unnecessary material loss and labor loss. The installation work can be installed by extending the length of the blocking frame to fit the width or length of the concrete joint and breaking site by connecting the wires, and the manufacturing cost can be reduced by the structure of material saving. The concrete's ease of separation of the blocking rod A finishing member for breaking and breaking has also been invented. (Korean Patent Application No. 10-2007-0082058)

In addition, the vertically penetrating through the flat slab, the area where the column is constructed in a post-process, the post-installation part, the material lifting tool or the earth discharge outlet due to the design change of the structure are not constructed integrally with the flat slab, Blocking several parts in complicated and cumbersome areas such as the intersection of the upper and lower transverse and longitudinal muscles or the intersection of the reinforcement and sinus reinforcement bars in the upper and lower muscles to form a filling part Combine the frame edges with connectors to form a rectangular frame and prevent the upper pouring surface of concrete from being placed inside or outside the formwork, and the upper and lower roots and formwork with a plurality of blocking rods mounted to separate and join the blocking frame. It is possible to block the space formed between the bottom surface to form a rectangular space or filled portion And has shortened the installation time of the closure member and the invention of the closure member for one stroke of a broken concrete to prevent the unnecessary loss of material and labor losses bar.

In the present invention is coupled to the blocking frame of the finishing member is installed in the finishing portion for connecting or breaking of the concrete in the blocking rod constituting the finishing member together with the blocking frame, to facilitate the handling and use of the blocking rod. Depending on the size of concrete joint and breaking site (pouring surface), the length of the blocking rod can be changed or expanded variably, or it is easy to manufacture, and the material saving structure lowers the manufacturing cost, strengthens the strength, and makes it easy to separate the blocking rod after curing the concrete. By providing various functionalities, such as to increase work efficiency and improve productivity.

The present invention is a plurality of fastening holes are formed at a predetermined interval the upper surface and the bottom portion is formed and one side is coupled to the fastening hole of the blocking frame to block the upper concrete placing surface of the concrete to prevent and break the lower concrete placing surface In the blocking rod of the finishing member for,

With the diameter inserted in the fastening hole of the blocking frame has a variable length or stretched body according to the specifications of the concrete joint and the break site, and the head portion formed in a larger size than the fastening hole, are assembled and assembled The head portion and the body, the engaging body is caught in the fastening hole on the outer surface of the blocking frame is made of a locking projection to prevent the blocking rod from being separated from the fastening hole.

The present invention simply installs a blocking frame on the upper side of the upper side of the concrete to prevent the concrete pouring surface and to connect and break the concrete in order to block the lower pouring surface with a plurality of blocking rods mounted to be detachably coupled to the blocking frame. By adding various functionalities to the blocking rods of the finishing member for easy handling, such as carrying and using the blocking rods, the length of the blocking rods can be flexibly expanded and contracted according to the specifications of the concrete seaming and breaking site (pouring surface). As a structure, it is possible to expect the effect of lowering the manufacturing cost and reinforcing strength, such as improving work efficiency and improving productivity due to the blocking rod during construction of the finishing member.

The present invention is a fastening of a blocking frame that prevents the upper concrete pouring surface of the upper surface portion is a plurality of fastening holes are drilled at regular intervals, the bottom surface portion is a fastening hole corresponding to the fastening hole corresponding to the upper surface portion, and one side connecting the upper surface portion and the bottom portion In the blocking rod of the finishing member for connecting and breaking the concrete inserted into the ball to block the lower concrete pouring surface,

It is easy to transport and use the blocking rods, while the length of the blocking rods is variably stretched or manufactured according to the specifications of concrete joint and breaking site (pouring surface), and it is easy to manufacture. It is characterized in that it is configured to have a variety of functionalities, such as reinforcement and to facilitate the separation of the blocking rod after curing the concrete,

Hereinafter, the present invention will be described in detail.

     Figure 1, Figure 1a is a perspective view and a cross-sectional view showing an embodiment of the present invention, Figure 2 is an exploded perspective view showing the configuration of the finishing member to which the present invention is applied, Figure 3 is a cross-sectional view of the working state of the finishing member to which the present invention is applied .

    Blocking frame 20 constituting the finishing member 30 for the connecting and breaking of the concrete, the upper surface portion 21, the plurality of fastening holes 25 are drilled at regular intervals, the upper surface portion 21 is fastened A bottom portion 22 through which a plurality of fastening holes 25 'corresponding to the ball 25 are drilled, one front portion 23 perpendicular to the top portion 21 and the bottom portion 22, and a front face The rear surface direction of the part 23 is formed in an approximately 'c' shape which is open, and a reinforcing rib 24 for reinforcing bending strength or the like is formed.

   In addition, at both ends of the blocking frame 20, connecting means (26, 26a) formed of the corresponding male and female are formed to connect the blocking frame 20 to the assembly means (26, 26a) several times to install the blocking frame (20) The length can be extended.

   Blocking rod (1) according to the present invention is a plurality of detachable coupling to the blocking frame 20 of the finishing member 30 to block the upper pouring surface of the concrete between the upper and lower roots and formwork bottom surface The bottom of the pour surface is to block.

   Finishing member 30 for cutting and cutting concrete is made of the blocking frame 20 and the blocking rod 1, and looks at the configuration of the blocking rod 1 in detail as follows.

  The blocking rod 1 is inserted into and coupled to the fastening holes 25 and 25 ′ formed in the upper surface portion 21 and the lower surface portion 22 of the blocking frame 20, and the length thereof varies depending on the size of the pouring surface. The blocking rod (1) is formed in the upper head portion (3) to form a groove (4) to allow the block rod (1) to be forcibly rotated by using the groove (4) by a drive or the like after curing the concrete blocking rod from the cured concrete ( 1) can be separated by relatively small force and easy way so that the body can be easily separated and the body (2) is made of pipe to improve the bending strength, reduce weight and save material.

    The body 2 of the blocking rod 1 is formed to a size that can be inserted into the fastening holes 25, 25 'of the blocking frame 20, the head portion 3 is more than the fastening holes (25, 25') Fastening holes (25, 25 ') in the state in which the head portion (3) protrudes to the blocking frame 20 as shown in the example shown in the block shown in the example shown in the construction of a large standard coupled to the fastening holes (25, 25') To be inserted into the

    The blocking rod 1 is formed on the outer surface of the blocking rod 1 so that the blocking rod 1 inserted into the fastening holes 25 and 25 'by the locking protrusion 5 is arbitrarily selected from the fastening holes 25 and 25'. Do not separate.

That is, when the blocking bar 1 is formed on the outer surface of the blocking rod 1 body 2 and the blocking bar 1 is inserted into and coupled to the fastening holes 25 and 25 ', the locking protrusion 5 is fastened to the fastening hole 25. 25 ') to overcome the barrier rod (1) is inserted into the fastening holes (25, 25'), and when the blocking frame 20 is upside down, the locking projections formed on the outer surface of the body (2) of the blocking rod (1) 5) is caught in the fastening holes (25, 25 ') so as not to be arbitrarily separated from the fastening holes (25, 25').

The locking protrusion 5 is formed finely on the outer surface of the body 2 of the blocking rod 1 so that the blocking protrusion 1 is inserted into or removed from the fastening holes 25 and 25 'of the blocking frame 20. 5) is forced to overcome the fastening holes (25, 25 ') to be inserted, separated, and conversely, if the blocking frame 20 is reversed, the catching projection (5) is caught in the fastening holes (25, 25') block bar ( 1) does not escape from the fastening holes (25, 25 ').

As described above, the locking protrusion 5 is caught in the fastening holes 25 and 25 'when the blocking frame 20 is turned upside down so that the locking protrusion 5 is not handled by the user. The blocking rod 1 coupled to the blocking frame 20 at any direction may move out of the fastening holes 25 and 25 'so as not to be arbitrarily separated from the blocking frame 20 so as to transport and move the closing member 30. It is to facilitate the handling according to such.

4 to 6 show an example in which the blocking rods are assembled.

That is, as shown in Figs. 4 to 5 to form a coupling hole (6) in the head portion (3a) to form a blocking rod (1) by fixing the body (2a) of the tubular body fixed thereto.

When the body 2a made of tubular body is fitted into the coupling hole 6 of the head part 3a, and the assembly part is fixedly bonded with an adhesive or the like to constitute the blocking rod 1, the head part 3a is injection molded. The body 2a can be produced by the extrusion molding into a tubular body, and then, assembling them, it is possible to produce the blocking rod 1 relatively simply, which is advantageous in reducing production costs.

On the other hand, the blocking rod (1) as shown in Figure 6 can be configured as a blocking rod (1) by screwing together the head portion (3a) and the body (2a) as a mutual screw coupling portion (7).

Of course, the blocking bar 1 is also formed in the body 2a of the blocking bar 1 so that the blocking bar 5 is formed as in the above-described example so that the blocking bar 1 is not separated from the fastening holes 25 and 25 '.

7 to 8 is configured to the blocking rod (1) in the elastic structure having a variable body length, slide the extension tube (8) of the inner diameter corresponding to the outer diameter of the body (2b) on the outside of the body (2b) of the blocking rod (1) Insertion coupling is to extend the entire length of the blocking rod (1) while the extension pipe (8) coupled to the outside of the body (2b) slides to the outside in accordance with the specifications of the pouring surface.

Extension tube (8) is inserted into the slide outside the body (2b) is made of the inner diameter corresponding to the outer diameter of the body (2b), the upper end of the extension tube (8) is fixed to the lower end of the body (2b) can prevent separation and separation Make sure

That is, the upper inner end of the extension tube 8 is formed with a catching portion 91 to be fixed to the locking jaw 92 of the bottom of the body 2b so that the extension tube 8 is not completely separated from the body 2b. do.

The extension pipe (8) can be configured to slide insert into the body (2b) of the blocking rod (1) and slide the inside of the body (2b) to extend the entire length of the blocking rod (1).

Of course, the blocking bar 1 is also formed on the outside of the body 2b of the blocking bar 1 so that the blocking bar 1 is not separated from the fastening holes 25 and 25 '.

9 is configured to extend the length of the blocking rod (1) by interconnecting the body (2c) and the extension tube (10) of the blocking rod (1) as the screw fastening portion (11) (12).

Screw fastening part 11 is formed in the body 2c of the blocking rod 1, and the extension pipe 10 forms the screw fastening part 12 which is screwed in conformity with the screw fastening part 11 of the body 2c. By screwing them together to extend the length of the blocking rod (1).

In the above extension tube 10 may vary the length of the blocking rod (1) by varying the fastening length of the body (2c) and the screw connection portion (11) (12),

It is obvious that the screwing portions 11 and 12 of the body 2c and the extension tube 10 may be implemented with different numbers of males and females as opposed to the illustrated example.

Finishing member 30 is formed by combining the blocking rod (1) is formed by forming a blocking frame (20) to fit the width or length of the concrete joint and the cut off portion of the upper side muscle 40 and the lower side The root 50 is seated and coupled to the upper side muscle 40 of the formwork 60 is placed in a fixed wire (not shown) and tightly fixed.

In the case of extending the length of the blocking frame 20 to fit the width or length of the concrete joint and breaking site, several blocking frames 20 are connected to the male and female connecting means 26 and 26a. Easily assembled and connected to extend length.

When the installation work of the blocking frame 20 is completed on the upper side muscle 40 of the mold 60, as described above, the blocking rod 1 of the fastening hole 25 of the upper surface portion 21 and the lower surface portion 22, 25 ') and insert it through.

That is, as shown in FIGS. 2 to 3, the blocking rod 1 is continuously mounted to the plurality of fastening holes 25 and 25 ′ formed in the upper surface portion 21 and the lower surface portion 22 of the blocking frame 20, respectively. (1) by blocking the bottom portion of the concrete 70 by forming a blocking film by the end portion to contact the bottom surface of the formwork (60).

As already mentioned, the length of the blocking rod 1 may be variously provided in such a way that the end portion may contact the bottom surface of the formwork 60 in consideration of the thickness of the concrete 70 posted on the building drawing. It is possible to selectively mount and use it according to the working environment by making it possible to vary and extend its length in various configurations as in the above example.

1 and 1a is a perspective view and a cross-sectional view showing an embodiment of the present invention

Figure 2 is an exploded perspective view showing the configuration of the finishing member to which the present invention is applied

Figure 3 is a cross-sectional view of the working state of the finishing member to which the present invention is applied

4 is a perspective view showing another embodiment of the present invention

5 is a cross-sectional view of FIG.

6 is a cross-sectional view showing some other embodiment of FIG.

7 is a perspective view showing another embodiment of the present invention

8 is a cross-sectional view of FIG.

9 is a cross-sectional view showing another embodiment of FIG.

☞ Explanation of the main symbols used in the main part of the drawing ☜

1: blocking rod 2: body

3: head part 4: groove

5: jamming 6: coupling hole

7: screw joint `8,10: extension tube

91: catching part 92: catching jaw

11,12: screw connection 20: blocking frame

21: Top portion 22: Bottom portion

23: Front part 25, 25 ': Fastener

26, 26a: connecting means 30: closing member

Claims (9)

Finishing member for connecting and breaking the concrete that blocks the lower concrete placing surface by connecting the fastening hole of the blocking frame to prevent the upper concrete placing surface formed on the upper part and the lower part formed with a plurality of fastening holes at regular intervals. In the blocking rod of,     Concrete hooking and cutting, characterized in that the body has a diameter that is inserted into the fastening hole of the blocking frame is made of a variable length of the body according to the specifications of the concrete joining and breaking site, and the head portion formed in a larger size than the fastening hole Blocking rod of finishing member for stroke. Finishing for breaking and breaking the concrete that blocks the lower concrete placing surface by combining the fastening hole of the blocking frame that blocks the upper concrete placing surface and the upper surface and the bottom portion formed with a plurality of fastening holes at regular intervals. In the blocking rod of the member,     Body having a diameter that is inserted into the fastening hole of the blocking frame is variable in length according to the specifications of the concrete joint and the breaking site, and the head portion formed of a larger size than the fastening hole is assembled with each other to constitute a blocking rod Blocking rods for finishing and cutting concrete. Finishing member for connecting and breaking the concrete that blocks the lower concrete placing surface by connecting the fastening hole of the blocking frame to prevent the upper concrete placing surface formed on the upper part and the lower part formed with a plurality of fastening holes at regular intervals. In the blocking rod of,     Concrete hooking and cutting, characterized in that the body is made of a diameter that is inserted into the fastening hole of the blocking frame and the length is stretched in accordance with the specifications of the concrete jointing and breaking site, and the head portion formed in a larger size than the fastening hole Blocking rods for finishing members.     The method according to any one of claims 1 to 3,     Blocking rods of the closing member for concrete hooking and breaking, characterized in that the locking frame is provided on the outer surface of the body of the blocking frame is provided with a locking projection to prevent the blocking rod from being separated from the fastening hole arbitrarily.     The method according to any one of claims 1 to 3     The blocking rod is a blocking rod of a finishing member for concrete cutting and cutting, characterized in that the pipe (Pipe).     The method of claim 2,  Blocking rod of the finishing member for forming and cutting the concrete, characterized in that the coupling hole is formed in the head portion and the body is fixedly fitted to form a blocking rod.     The method of claim 2,     Blocking rod of the finishing member for the concrete seaming and breaking characterized in that the head and the body combined with each other as a screw coupling portion to form a blocking rod.       The method of claim 3, Slide and insert the extension tube of the standard that can be inserted into the fastening hole of the blocking frame on the outside of the body of the blocking rod so that the extension pipe coupled to the outside of the body slides outward in accordance with the specifications of the pouring surface to extend the entire length of the blocking rod. ,      Extension pipe is a blocking rod of the closing member for the concrete hooking and breaking, characterized in that the locking portion is fixed to the locking jaw of the body to prevent separation and separation.       The method of claim 3, Blocking rod of the closing member for concrete hooking and breaking, characterized in that the body of the blocking rod and the extension tube is connected to each other as a screw fastening portion to extend and stretch the length of the blocking rod as a screw fastening portion.

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