KR20100023228A - Flat tie - Google Patents

Abstract

PURPOSE: A separable flat tie is provided to reduce required materials by minimizing the thickness of a connecting rod, and by semi-permanently using a connecting member. CONSTITUTION: A separable flat tie comprises a connecting rod(10), a connecting member(20), and a socket(30). Coupling protrusions(11) are formed in both ends of the connecting rod. A coupling groove(21) and a connecting hole(22) are formed in the connecting member. One of the coupling protrusions of the connecting rod is inserted into the coupling groove. A through hole(31) is formed in the socket. The connecting member is inserted into the through hole.

Description

Flat Tie {Flat Tie}

The present invention relates to a flat tie used for fixing formwork when constructing a structure of civil construction, and more specifically, by separating and manufacturing the flat tie into a connecting rod and a connecting member, which can reduce the consumption of materials used in manufacturing at the connecting rod. It relates to a split flat tie.

In general, as a means for the construction of the wall of the structure, the formwork is mainly installed on the basis of the thickness of the wall, and the concrete mortar is poured and cured in the formwork to construct the wall of the structure.

At this time, when the formwork is installed, it is used to space the formwork is flat tie.

The flat tire is a variety of technologies, such as the building flat tie of Utility Model Registration No. 370140, Flatty for Euroform panel of Utility Model Registration No. 397242 and the like has been used.

However, all of the flat ties used in the related art and presented in the registration utility model as described above are fixed members 2 having fixed holes 2a formed at predetermined intervals on a long plate having a predetermined width and thickness as shown in FIG. 1. ) And the connecting portion (1), the flat tie is fixed to the mold by the wedge (3) is installed in the fixing hole (2a).

Conventional flat tie made of such a plate can withstand the load even without a certain portion of the material, but there is a disadvantage that the material cost is high due to the raw material produced in the plate shape to make a fixed hole, by reducing the amount of raw materials at the time of production There is a need to lower production costs.

In addition, the flat tie has a disadvantage in that it is not possible to reuse because the fixing member that is not embedded by the connection portion is embedded in the concrete when the concrete is placed, it is impossible to reuse.

The present invention has been invented to solve the above disadvantages, in place of the iron plate flat tie made of a long iron plate is separated into a connecting rod and a connecting member to produce a flat tie to minimize the thickness of the connecting rod during manufacturing material consumed The purpose of the present invention is to provide a detachable flat tie which reduces material waste by reducing and semi-permanently using the connecting member.

In order to achieve the above object, the separate flat tie of the present invention is a flat tie used to fix the formwork, the connecting rods each having a rod-shaped connecting protrusions formed at both ends; It consists of a flat plate-shaped connecting member formed with a coupling groove and a fixing hole is inserted into the coupling projection formed on the connecting rod.

A socket may be further installed in the connecting member to prevent the connecting rod inserted and inserted into the coupling groove of the connecting member from being separated.

In addition, the connecting rod inserted into the coupling groove of the connecting member includes a cap and a fixing wedge to be detachable even after use. The use of the cap and the fixing wedge is to allow the connecting member and the connecting rod to be separated when the connecting member is embedded in concrete.

The connecting member may be manufactured integrally with the formwork.

In place of the connection member is a connection wedge formed with a coupling groove can be used.

That is, by forming a coupling groove into which the coupling protrusion formed in the connecting rod is inserted into the wedge conventionally used to fix the flat tie, it is made of the connecting rod and the connecting wedge without using the connecting member.

Separable flat tie of the present invention made as described above can reduce the amount of material used by using the connecting rod when manufacturing than the flat plate made of a conventional flat type, and also reduce the amount of material consumed by using the connecting member semi-permanently It can be effective.

In addition, by using a connection wedge that serves as a connection member and a wedge in place of the connection member can reduce the material consumed, there is a feature that can minimize the installation process.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

2 to 5, the detachable flat tie of the present invention is largely composed of a connecting rod 10 and a connecting member 20, and further includes a socket 30.

The connecting rod 10 is a coupling rod 11 is formed at both ends as shown in Figure 2 is usually used a circular rod, or a polygonal rod such as a square rod may be used.

Coupling protrusions 11 formed at both ends of the connecting rod 10 may be formed in various forms such as circular, square, as shown in Figure 12a to 12d, the coupling protrusion 11 is a variety of processing methods, such as forging, welding Is produced by.

The connecting member 20 has a coupling groove 21 into which the coupling protrusion 11 of the connecting rod 10 can be inserted is formed at one side, and the connection hole 22 is formed at the other side.

The coupling groove 21 is opened on one side of the connecting member 20, and the other side is blocked to form the blocking film 23. The blocking film 23 prevents the coupling protrusion 11 inserted into the coupling groove 21 from escaping to the other side.

The connecting member 20 has a coupling groove 21 into which the coupling protrusion 11 of the connecting rod 10 is inserted as shown in FIGS. 13 to 15. The connection hole 22 may be formed in various shapes such as a rectangle, a circle, and a 'T' shape (not shown).

As shown in FIG. 3, the socket 30 has a through hole 31 formed therein so that the connection member 20 is inserted into the through hole 31.

2 to 4, the coupling protrusion 11 of the connecting rod 10 is inserted into the coupling groove 21 of the connecting member 20, and the connecting member 20 is inserted into the through hole 31 of the socket 30. By inserting the) to prevent the connecting rod 10 and the connecting member 20 is separated.

As described above, the use of the socket 30 is generally used when the heat connecting member 20 of the split flat tie is not embedded in the concrete 70.

When the connecting member 20 of the split flat tie is embedded in the concrete 70 as shown in FIG. 11, the connecting member 20 is concrete using the cap 40 and the fixing wedge 50 shown in FIGS. 7 to 10. By preventing the buried in 70, the connecting member 20 is separated from the connecting rod 10 after use.

That is, the cap 40 is embedded in the concrete 70 as shown in FIG. 11 is used to secure the space so that the connecting member 20 can be separated from the connecting rod 10.

10 (a) showing the cap 40 is a front view of the cap 40, (b) is a cross-sectional view taken along the line AA of (a) showing a front view, as shown in Figure 10 (b) Is formed in the form, one side is blocked, but the through-hole 41 is formed that can be inserted into the connecting rod 10, the other side is the opening member 42 and the fixing wedge 50 can be inserted ) Is formed.

The through hole 41 is formed in a 'T' shape as shown in Figure 10 (a) to facilitate the insertion of the connecting rod (10). That is, the connecting rod 10 is moved to the right by inserting the connecting rod 10 up and down long in the drawing.

The fixing wedge 50 fixes the connection member 20 inserted in the cap 40 so as not to move and prevents separation of the connection member 20 and the connection rod 10.

The fixing wedge 50 is formed in a trapezoidal shape as shown in Figs. This can facilitate insertion and removal into the opening 42 of the cap 40.

The fixing wedge 50 is formed with a hole 51 into which a tool can be inserted into one side so as to be easily separated from the cap 40 after use. The hole 51 may be formed with a protrusion or a screw thread.

The cap 40 and the fixing wedge 50 made as described above, the connecting rod 10 is inserted into the through hole 41 formed in one side of the cap 40, as shown in Figure 7 to 9, the connecting member 20 Insert the coupling protrusion 11 of the connecting rod 10 into the coupling groove 21 of the connecting member 20 after inserting the opening 42 formed on the other side of the cap 40 to the connecting rod 10 and the connecting member. Connect 20.

Inserting the fixing wedge 50 into the opening 42 of the cap 40, the connecting rod 10 and the connecting member 20 is installed, and the connecting rod 10 and the connecting member 20 installed in the cap 40 Secure it.

After use (after concrete pouring), the fixing wedge 50 is separated from the cap 40, and the connecting member 20 connected to the connecting rod 10 is removed to connect the connecting member 20 and the fixing wedge 50. Reuse.

16 to 18 show another embodiment of the present invention.

The connection member 20 and the connection wedge 80 that serves as a conventional wedge (3) is used at the same time.

The connecting wedge 80 is formed in the coupling groove 81 that can be coupled to the coupling protrusion 11 of the connecting rod 10 to the wedge of the rectangular shape commonly used as shown in Figure 16, fixed as shown in the accompanying drawings It may further include a hole (82).

The connection wedge 80 formed as described above is inserted into the coupling groove 81 in the coupling protrusion 11 of the connecting rod 10 installed in the die 60, as shown in FIG. Installing a tie has the advantage of being very easy to use.

Figure 17 shows another embodiment of the connecting wedge 80 is formed in the coupling groove 81 that can be coupled to the coupling projection 11 of the connecting rod 10 to the wedge of the circular shape commonly used, attached It may further include a fixing hole 82 as shown.

1 is a perspective view of a flat tie used in the prior art.

Figure 2 is an exploded perspective view of a detachable flat tie showing a preferred embodiment of the present invention.

Figure 3 is an exploded perspective view of a detachable flat tie showing a preferred embodiment of the present invention.

Figure 4 is a perspective view of the split flat tie showing a preferred embodiment of the present invention.

Figure 5 is a front sectional view of a split flat tie showing a preferred embodiment of the present invention.

Figure 6 is a state of use of the separate flat tie showing a preferred embodiment of the present invention.

Figure 7 is an exploded perspective view of a separate flat tie showing another embodiment of the present invention.

Figure 8 is an exploded perspective view of a separate flat tie showing another embodiment of the present invention.

9 is a perspective view of a separate flat tie showing another embodiment of the present invention.

10 is a front and side cross-sectional view of a cap used in the split flat tie of the present invention.

Figure 11 is a state of use of the separate flat tie showing another embodiment of the present invention.

12A to 12D are partial perspective views of the connecting rod of the split flat tie.

Figure 13 is a partial front view of a separate flat tie showing another embodiment of the present invention.

14 is a partial front view of a separate flat tie showing another embodiment of the present invention.

15 is a perspective view of a connecting member showing another embodiment of the present invention.

Figure 16 is a perspective view of the connecting wedge of the separate flat tie showing another embodiment of the present invention.

Figure 17 is a perspective view showing another embodiment of the connecting wedge of the present invention.

Figure 18 is a use state of the connecting wedge of the split flat tie of the present invention.

[Explanation of symbols on the main parts of the drawings]

10: connecting rod 11: engaging projection

20: connecting member 21: coupling groove

22: through hole

30: socket

40: cap

50: fixed wedge

60: formwork

70: concrete

80: connecting wedge

Claims (5)

In the flat tie used to fix the formwork, Connecting rods 10 having rod-shaped coupling protrusions 11 formed at both ends thereof; Separating flat tie, characterized in that consisting of a connecting member (20) of the flat plate formed with a coupling groove 21 and the fixing hole 22 is inserted into the coupling protrusion (11) formed in the connecting rod (10). The method of claim 1, Removable flat tie, characterized in that the socket 30 is further installed in the connecting member 20 to prevent the connecting rod 10 is inserted into the coupling groove 21 of the connecting member 20 is separated. The method of claim 1, Separating flat tie, characterized in that it comprises a cap (40) and a fixing wedge (50) so that the connecting rod 10 is inserted into the coupling groove (21) of the connecting member 20 is detachable even after use. The method of claim 1, The connecting member 20 is a detachable flat tie, characterized in that the die 60 is made integrally. In the flat tie used to fix the formwork, Connecting rods 10 having rod-shaped coupling protrusions 11 formed at both ends thereof; Separating flat tie, characterized in that consisting of a connecting wedge 80 is formed with a coupling groove 81 is inserted into the coupling protrusion 11 formed in the connecting rod (10).

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