KR200490773Y1 - Fastening structure for use recycling of connecting member installed between form - Google Patents

Abstract

The present invention relates to a fastening structure for reusing the formwork connecting rod, which is placed in the longitudinal direction along the profile hole formed in the interface of a plurality of adjacent formwork, forming a fastening hole 12 to be fastened to the formwork (1) ); A fastening portion 33 inserted into a profile hole formed at the boundary surface of the formwork to form a wedge pin fastening hole 34, and a predetermined length extending to a width smaller than the width of the fastening portion, such that the fastening hole 12 of the connecting rod is formed. A connecting rod fixing unit (3) for forming an insertion portion (32) closed through them and a through hole (31) for finishing the installation of the connecting rod at the tip end side of the insertion portion; First and second washers (4) fitted to the insertion part exposed after the connecting rod of the fixing unit; A ballistic ring (5) interposed with elastic force between the first and second washers (4) fitted to the insertion part exposed after the connecting rod of the fixing unit; And a locking pin (2) fitted into the through hole (31) of the fixing unit so as to be elastically pulled in the installation state of the connecting unit of the fixing unit.

Description

Fastening structure for use recycling of connecting member installed between form}

The present invention relates to a fastening structure for reusing the formwork, in particular, to a fastening structure for reusing the formwork connecting rod assembly is easy to assemble, disassemble.

In general, formwork (Euro-foam, aluminum foam) is a kind of construction material that is installed for the construction of walls and ceilings in apartments and construction works, such formwork is a step of the wall surface caused by the load and pressure of the concrete to be cast ), As well as formwork fixtures such as fixing pins, hooks, and cepha bolts to secure a solid support by connecting multiple formwork to each other. However, since the formwork fixing means has to be installed and dismantled by a worker using a work tool, this causes inconvenience and inconvenience, and in particular, maintains the vertical and horizontal state of the formwork connected to each other uniformly. As a result, construction quality may be impaired.

In order to solve this problem, such as "form fastening device (hereinafter referred to as connecting rod)" of Patent No. 10-0887611 for fastening the formwork is known in recent years.

That is, the connecting rod has a main member corresponding to the center of the intersection formed by the side plates of the formwork disposed adjacent to each other in the horizontal and vertical directions, respectively, in order to bind the plurality of formwork and the formwork; It consists of an orthogonal member that is orthogonally coupled to the main member and both ends sandwich a pair of side plates orthogonal to each other, and is coupled to an insertion hole formed by each pair of side plates of adjacent formwork along the longitudinal direction to fix both sides of the main member. It includes a fastening means. This formwork connection fastening structure, without the need to fasten a plurality of fastening devices along the side plate of the formwork, to fix the main member provided with the orthogonal member close to the fastening means based on the intersection of the side plates of the formwork adjacently arranged. It describes the formwork and fastening structure that is easy and convenient to construct. However, this connecting rod fastening structure is a perspective view showing the state after the disassembly of the formwork of the conventional formwork connecting rod, Figure 7a, 7b, 7c is a state of cutting and bending of the anchorage shown in the connection after disassembly of the formwork of the conventional formwork As shown in the drawings, most of the parts were not reusable after dismantling the formwork, and some parts were removed and reused after the worker removed the hardened concrete part by hitting the collected parts with a hammer. That is, as shown in FIG. 6, the connecting rod itself is bent, or as shown in FIGS. 7A to 7C, some parts (fixing holes) of the fastening structure are coupled in a welded state, and some of them are cut and cut so that the entire connecting rod is not used. There was a problem that prevented.

Therefore, in the form fastening structure, the connecting rod fastening structure is partly complicated, that is, the structure for fastening the long bolts penetrating the connecting rod is complicated, or the fixing rod (long bolt) penetrating the connecting rod is welded. There was a problem that cannot be reused.

Or even in the case of fastening structure not welded to the connecting rod, the number of parts or fastening method of the fastening structure for fastening the connecting rod is complicated. It was necessary to make it reusable after dismantling the formwork.

It is an object of the present invention to provide a fastening structure for reusing a formwork connecting rod used to fasten a plurality of formwork to each other even after dismantling the formwork.

It is an object of the present invention to improve the assembly of the formwork fastening structure, and to provide a fastening structure for reusing the formwork linkage, which makes it possible to reuse the expensive anchorage and the linkage of the accessory materials mobilized in the fastening structure.

The present invention is designed to disassemble the fasteners by welding, fixing the fastening dies, and then to re-use the fasteners necessary for supporting the parts such as fastening pins, connecting rods by bending, cutting, cutting, bending, etc. It is to provide a formwork fastening structure with improved assembly, disassembly of the separation is easily separated by the separation of the locking pin.

The present invention is to provide a fastening structure for reusing the formwork connecting structure improved the assembly structure to enable reuse of the anchorage and the locking pin in the formwork fastening structure, in particular by providing the shape and structure of the anchorage and the lock pin. .

Fastening structure for reusing the present invention formwork connecting rod for achieving the above object,

A longitudinal member placed longitudinally along a profile hole formed at a boundary of a plurality of adjacent formwork, and a horizontal member disposed along a profile hole formed at a boundary of the formwork and fastened to the formwork to crosswise intersect with the longitudinal member; Cross-shaped connecting rod made of a member, made of a steel pipe of the square pipe shape;
It is inserted into the profile hole formed in the boundary surface of the formwork and penetrates to form a wedge pin fastening hole, and extends a predetermined length to pass through the fastening hole of the connecting rod, and forms a through hole for finishing the installation of the connecting rod on the tip side. Connecting rod anchorage made;
First and second washers fitted to the insertion part exposed after the connecting rod of the fixing unit;
A ballistic ring having an elastic force interposed between the first and second washers fitted to the insertion part exposed after the connecting rod of the fixing unit;
A locking pin forming a lock formed in the same width as the through hole so as to fit into the through hole of the anchorage, and forming at least one lock hole in the lock part; And
A fastening pin for preventing the lock pin from being separated; Including,

The fixing unit may include a fastening part inserted into a profile hole formed at a boundary surface of the formwork to penetrate and form a wedge pin fastening hole; And an inserting part extending in a predetermined length to a width smaller than the width of the fastening part so as to pass through the fastening hole of the connecting rod.
The locking pin, the locking head; A lock extending to a phone larger than the locking head and insertable into a through hole of the fixing unit; And at least one locking hole formed in the locking portion; can be achieved as a fastening structure for reusing the formwork connecting rod including a.

The locking pin of the fastening structure for reusing the present invention formwork connecting rod for achieving the above object, can form a T-shaped locking head.
The locking pin of the fastening structure for reusing the present invention formwork connecting rod for achieving the above object, to form a square, can form two pin holes.

The locking pin of the fastening structure for reusing the present invention formwork connecting rod for achieving the above object, form a shape consisting of the locking head and the locking portion, the locking portion may form two pin holes.

The locking pin and the fastening pin of the fastening structure for reusing the present invention formwork connecting rod for achieving the above object can be connected by a string.

As such, it provides a fastening structure for reusing the formwork connecting rod used to fasten a plurality of formwork to each other after dismantling the formwork.

The present invention provides a fastening structure for reusing the formwork for the reuse of the anchorage and the connection of the accessories, in particular, the mobilization of the formwork linkage.

The present invention is designed to disassemble the fasteners by welding, fixing the fastening dies, and then to re-use the fasteners necessary for supporting the parts such as fastening pins, connecting rods by bending, cutting, cutting, bending, etc. Assembly and disassembly are improved, in which separation is simply performed by separation of the locking pin.

The present invention is a straight or cross-shaped formwork connecting the plurality of formwork can be reused by simply separating the fasteners, including the fasteners assembled in the connection if the form is bent or damaged during the dismantling process after use.

The present invention can be reused by exchanging when the anchorage used in the connecting rod connecting the formwork is cut, broken or bent in the process of dismantling the formwork.

The present invention improves the point of discarding the entire connecting rod in the process of dismantling the form by disassembling the form due to the welding of the fixing unit coupled to the connecting rod connecting a plurality of formwork to simply disconnect the components such as the fixing unit of the connecting unit It can be reused. The present invention can prevent the separation of the locking pin and the fastening pin.

1a, 1b is a view showing a state before and after installing the fastening structure for reuse the formwork connecting to the formwork,
Figure 2 is an exploded perspective view of the fastening structure for reuse of the present invention formwork connecting rod,
Figure 3 is an exploded perspective view of the anchorage of the fastening structure for reusing the present invention formwork connecting rod,
Figure 4a, 4b, 4c is a perspective view showing various examples of the locking pin of the fastening structure for reuse of the present invention formwork connecting rod,
5 is a cross-sectional view of a coupling state of the fastening structure for reusing the present invention formwork connecting rod,
Figure 6a, Figure 6b is an enlarged view of the main part showing a state of locking the fastening pin after assembly of the fastening structure for reuse of the present invention formwork connecting rod,
Figure 7a, Figure 7b is a perspective view showing the separation and assembly state of the fastener and the fastening pin and the locking pin showing an example of the locking pin in the fastening structure for reuse of the present invention formwork connecting rod,
Figure 8a, 8b is showing a state connected with a string to prevent separation of the fastening pin and the locking pin in the fastening structure for reuse of the present invention formwork connecting rod,
9a to 9c are views showing a state of cutting and bending of the anchorage shown in the state after the disassembly of the formwork of the conventional formwork connecting rod and the disassembly of the formwork of the conventional formwork linkage.

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

1a, 1b of the accompanying drawings is a view showing the state before and after installing the fastening structure for reuse of the formwork in the formwork, Figure 2 is an exploded perspective view of the fastening structure for reuse of the formwork invented, Figure 3 is an exploded perspective view of the anchorage of the fastening structure for reusing the present invention formwork connecting rod.

Fastening structure for reusing the present invention formwork connecting frame according to the drawings,

It consists of a connecting table 1, a locking pin 2, a fixing device 3, a first and a second washer 4, a ball ring 5 and a fastening pin 6.

The connecting rod 1 is formed in the longitudinal direction along the profile hole formed in the boundary surface of a plurality of adjacent formwork, and forms the form fastening hole 12 to be fastened to the formwork as the vertical member 11 and the horizontal member. It can be implemented as a connecting rod having a cross shape of (13), a connecting stand of the longitudinal member 11 only, or a connecting stand of the horizontal member 13 only.

The connecting table 1 of only the vertical member 11 may be formed of a steel pipe having a square pipe shape, and may be disposed in a vertical direction along a boundary between a row of formwork and two rows of formwork. In addition, the connecting table 1 of the horizontal member 13 is made of a steel pipe in the form of a square pipe, it is used to connect a plurality of formwork is placed in the horizontal direction along the boundary between the formwork of one row and the formwork of two rows.

In particular, the cross-shaped connecting rod (1) applied as a preferred embodiment of the present invention is a structure coupled to cross the horizontal member 13 in a direction perpendicular to the vertical member 11, each fastening to the vertical member 11 and the horizontal member (13) Form a ball 12. Formwork connecting rod of the present invention such a vertical member (11), horizontal member (13) crosswise or independent of the vertical longitudinal connection of the longitudinal member, or only the connecting member of the horizontal member collectively as a joint.

The fastener 3 penetrated or separated from the fastening hole 12 of the connecting table 1 is inserted into a profile hole formed in a boundary surface where a plurality of formwork contacts and is fastened to form a wedge pin fastening hole 34. 33) an insertion portion 32 extending a predetermined length to a width smaller than the width of the fastening portion 33 and finishing through the fastening holes 12 of the connecting table 1, and the insertion portion 32 penetrated. The through hole 31 for finishing the installation of the connecting table 1 may be formed on the exposed end side.

The fixing unit 3 has a width in which the fastening portion 33 cannot penetrate the fastening hole 12 of the connecting table 1, and the inserting portion 32 has the form fastening hole 12 of the connecting table 1. Since it is formed with the same width that can penetrate through the fastening portion 33 in the insertion direction fastening hole 12 of the connecting table 1, the fastening portion 33 is caught, it can penetrate only the insertion portion (32).

The inserting portion 32 of the fixing unit 3 passes through the fastening hole 12 of the connecting table 1, and then the inserting portion 32 is exposed and the first and second washers 4 are placed on the inserting portion 32. Insert. At this time, the ballistic ring 5 having elasticity may be interposed between the first and second washers 4. In particular, the through hole 31 formed in the penetrating inserting part 32 has to strongly press the ball ring 5 fitted with the first and second washers 4 so that the through hole 31 is completely exposed so that the locking pin 2 ) Can be inserted. That is, the locking pin (2) assembled as described above is a locking head 22, such as a T-shaped, A-shape, and a lock that is bent at a right angle from the locking head (22) to extend larger than the locking head (22). It forms a part 23, and the locking part 23 can form the locking hole 21. The locking pin 2 is fitted into the through hole 31 so that the installation state of the fixing unit 3 is pulled so that the through hole 31 is exposed from the connecting table 1. At this time, the fastening pin 6 may be fitted to prevent the lock pin 2 from being separated. The fastening pin 6 may have a generally known hairpin shape as shown.

Figure 5 of the accompanying drawings is a cross-sectional view of the coupling state of the fastening structure for reuse of the present invention die connecting frame, Figure 6a, Figure 6b is a state of locking the fastening pin after assembly of the fastening structure for reuse of the present invention die connecting frame. This is an enlarged view of the main part.

An assembly process according to an embodiment of a fastening structure for reusing the present invention formwork connecting rod according to the drawings is as follows.

In general, the fastening of the connecting table (1) located between two adjacent formwork is inserted into the fastening pin (33) forming the wedge pin fastening hole 34 to be inserted into the profile hole formed in the interface between the formwork and the wedge pin By fastening with various fixing pins, such as two to four formwork can be connected.

The assembly process of this connecting table 1 is as follows.

(1) The insertion part 32 of the fixing tool 3 is made to penetrate through the fastening hole 12 of the connection table 1.

(2) The first washer (4), the ball ring (5), the second to the inserting portion 32 of the anchorage (3) exposed through the front and rear fastening holes (12) of the square pipe type on the opposite surface Insert the washers (4) in turn.

(3) The first and second washers 4 and the ballistic ring 5, which are fitted to the inserting portion 32 exposed on the opposite side of the connecting table 1, are strongly pulled together to expose the lock hole 31 described above. By inserting the locking portion 23 of the locking pin (2) is assembled and fixed by the elastic force of the elastic ring (5).

That is, the first fixing state of the fixing unit 3 is achieved by inserting the locking unit 23 so that the locking head 22 of the locking pin 2 is engaged in the exposed locking hole 31.

On the other hand, since the pin hole 21 is formed in the locking portion 23 of the locking pin 2, it is possible to further tighten the fastening pin 6 to prevent the separation.

On the other hand, Figure 4a, 4b, 4c of the accompanying drawings is a perspective view showing a variety of examples of the locking pin of the fastening structure for reuse of the present invention formwork connecting rod, Figure 5 is a fastening structure for reuse of the present invention formwork connecting rod 6A and 6B are enlarged views illustrating the state of locking the fastening pins after assembly of the fastening structure for reuse of the present invention, and FIGS. 7A and 7B show the present invention. Figure 1 is a perspective view showing the separation and assembly of the fastener and the fastening pin and the locking pin showing an example of the locking pin in the fastening structure for reuse.

The locking pin 2 shown in these figures (1) T-shaped locking pin (2), L-shaped locking pin (2), (3) rectangular locking pin (2) can be implemented in various ways.

Insert the locking pin (2) of the square forming a half of the size into the through hole (31) of the fixing unit (3), and then insert the two fastening pins (6) for preventing the separation from both sides of the installation state The lock can be maintained, and the A-shaped locking pin 2 is inserted into the through hole 31 of the fixing unit 3, and then the fastening pin 6 for preventing separation is inserted into the locking hole 21 from one side. It can hold the lock, the locking pin (2) forming a T-shape is made of a locking head 22 and the locking portion 23, the locking hole 21 is drilled in the locking portion 23 fastening pin (6) ) Is inserted and locked.

The locking pin 2 applied to the formwork connecting rod 1 of the present invention, as well as the fixing device 3 can be applied in various ways depending on the implementation site and the situation for reuse.

 8A and 8B of the accompanying drawings show a state of connecting with a string to prevent the separation of the fastening pin and the locking pin in the fastening structure for reuse of the present invention formwork connecting rod.

As shown in the figure, in the formwork site, small assembly parts such as fastening pins 6 are frequently lost and can be connected to the connection holes 24 of the locking pins 2 to prevent loss.

Separation of the fastening structure for reusing the present invention formwork connecting rod assembled through the above process is to push out the resilient pressing the anchorage (3) while pulling out the lock 23 of the locking pin (2) of the anchorage (3) The first and second washers 4 and the ballistic rings 5 which are sequentially inserted into the inserting part 32 are simply separated, and at the same time, the fixing unit 3 is also separated from the insertion side of the connecting table 1. Therefore, as shown in FIG. 9a, the horizontal member 13 side of the connecting rod 1 straightens the bent in the dismantling process and reuses or discards only the connecting rod 1, so that the new connecting rod 1 can be reused in the construction site. Will be.

In particular, the fastening structure for reusing the formwork connecting device of the present invention as shown in Figure 9b to 9d in the fastening hole 12 formed in the fastening hole 12 formed in the vertical member 11, the horizontal member 13 of the conventional connecting table (1) As a fastening member such as a long bolt) is fixed to the welding, it is possible to improve a problem in that a part of the fixing unit discards the entire connecting rod 1 due to cutting or cutting.

On the other hand, the fastening structure for reuse of the present formwork connecting rod can be carried out by a structure in which the longitudinal member 11 and the horizontal member 13 are combined in a cross shape, but according to the situation of the straight connecting rod (1, horizontal member, or vertical) Even if the member is applied as an alternative, the joint structure and the fastening structure set can be separated and reused when the mold is dismantled by applying the fastening structure of the present invention.

In addition, the fastening structure of the formwork connecting device of the present invention can be carried out as a steel pipe of the rectangular cross section, or the c-shaped connection. In this case, the fastening hole 12 may also be embodied in the same manner. In the connecting rod 1 having a cross-shaped cross section, only the horizontal member may be a c-shaped cross section, or the vertical member may be a c-shaped cross section. Even if the cross-sectional structure of the various connecting rods are applied, the fastening structure for reuse of the present invention formwork connecting rod is an example, and those skilled in the art belong to various modifications and equivalents therefrom, and the present invention The technical scope of the protection is defined by the claims.

1: connecting rod, 12: die fastener, 2: locking pin, 21: locking hole, 22: locking head,
23: lock, 24: connector, 3: fastener, 31: through hole, 32: insert, 33: fastening,
34: wedge pin fastener, 4: first, second washer, 5: ball ring,

Claims (5)

A longitudinal member placed along a profile hole formed at a boundary of a plurality of adjacent formwork, and a profile hole formed along a profile hole formed at a boundary of the formwork, and fastened to the formwork to transversely engage with the longitudinal member. Cross-shaped connecting rod made of a horizontal member to form a fastening hole to be made of a square pipe form;
A connecting rod fixing unit inserted into a profile hole formed at the boundary surface of the formwork, extending a predetermined length to finish through the connecting hole of the connecting rod, and forming a through hole for closing the installation of the connecting member at the front end side;
First and second washers fitted to the insertion part exposed after the connecting rod of the fixing unit;
A ballistic ring having an elastic force and interposed between the first and second washers fitted to the inserting portion exposed after passing through the connecting rod of the fixing unit;
A locking pin forming a locking portion having the same width as that of the through hole so as to be fitted into the through hole of the anchorage, and forming at least one locking hole in the locking portion; And
A fastening pin for preventing the lock pin from being separated;
Including,
The anchorage is,
A fastening part inserted into a profile hole formed at a boundary surface of the formwork to penetrate and form a wedge pin fastening hole; And
And an insertion unit extending a predetermined length to a width smaller than the width of the fastening part and finishing through the fastening hole of the connecting rod.
The locking pin,
Locking head;
A locking part extending from the locking head; And
A lock hole formed in the lock portion;
Fastening structure for reusing the formwork connecting rod comprising a. The fastening structure for reusing the formwork connecting rod according to claim 1, wherein the locking head of the locking pin forms a quadrangle. The fastening structure for reusing the formwork connecting rod according to claim 1, wherein the locking head and the locking portion of the locking pin form an a-shape. delete The fastening structure for reusing the formwork connecting rod according to claim 1, wherein the locking head of the locking pin forms a T-shape.

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