KR20100012498U - Construction matrix square lumber - Google Patents

Abstract

The present invention relates to a formwork shell for building, more specifically, the support strength is increased compared to the conventional wood to support the formwork during building construction, and at the same time to prevent damage from the formwork installation or dismantling to increase the reuse rate by a long time It is about building formwork lumber which we can use.

Building formwork primitives 100 of the present invention for achieving the above object is a building for supporting the formwork or support plywood 40, etc. to maintain the desired shape for the time the concrete 30 is poured during construction of the building construction In the formwork shell 100, the elastic cover body 10 made of an elastic material and formed with a through hole 12 in the inner longitudinal direction; A pipe 20 inserted into the through hole 12 to increase the supporting strength of the elastic cover body 10; It is formed so as to correspond to the inner diameter of the pipe 20, one end of both ends is fixedly inserted into the inside of the pipe 20, the other end is formed to protrude to the outside to the pipe 20 in the longitudinal direction It characterized in that it comprises a; connector 22 to be connected to each other.

Formwork, lumber, wood

Description

Formwork lumber for construction {Construction matrix square lumber}

The present invention relates to a formwork shell for building, and more specifically, by coupling a rigid pipe to an inner side of an elastic cover body made of an elastic material to increase the support strength of the formwork, and at the same time through the connector fixedly fixed to the end of the pipe By connecting each material in the lengthwise direction, the length can be adjusted according to the size of the formwork or plywood to be supported, improving convenience and efficiency in use, and preventing damage during installation or disassembly of the formwork. It relates to a building formwork shell that can be used for a long time by increasing the.

In general, when constructing concrete buildings such as houses or apartments, formwork is needed to maintain the desired shape during the time that the concrete is hardened.

In order to produce or support such formwork, formwork beams are used, and conventionally, wood beams are mainly used as such materials.

However, the conventional wood chips are weak in strength, so there is a high risk of breakage during work or dismantling. In particular, as the wood absorbs water while supporting the formwork, its strength is further weakened, so it is easily cut or broken during dismantling. It is almost impossible to reuse, and there is a problem in that construction cost increases with waste of resources.

And it is impossible to reuse as described above, there is a problem that a lot of building garbage is generated as a large amount of wood chips discarded in the construction site.

In addition, since the conventional timber wood is used to cut according to the size of the formwork, since most of the cut parts are often discarded without being reused, there is a problem in that a large amount of building garbage occurs as described above.

The present invention is devised to solve the problems of the prior art as described above, the object of the present invention is to increase the strength of the support to prevent cutting or breakage when fastening or dismantling the formwork to be reused even after construction as a formwork shell In addition, by adjusting the length of the formwork in accordance with the size of the formwork to be able to make a flexible response to prevent the occurrence of building garbage, to provide a building formwork for the construction can reduce the construction cost.

Building formwork shell of the present invention for achieving the above object is made of an elastic material in the building formwork for supporting the formwork or support plywood, etc. to maintain the desired form for the time the concrete is hardened during construction of the building construction. An elastic cover body having a through hole formed in an inner longitudinal direction thereof; A pipe inserted into the through hole to increase the supporting strength of the elastic cover body; It is formed so as to correspond to the inner diameter of the pipe, one end of the both ends is fixedly inserted into the inside of the pipe, the other end is formed to protrude to the outside to connect the pipes to each other in the longitudinal direction; including; It is a technical feature.

In addition, according to a preferred embodiment of the present invention, the cross section of the elastic cover body is made of a rectangular shape, each surface is configured to form a concave surface along the longitudinal direction.

In addition, according to a preferred embodiment of the present invention, a plurality of fastening holes penetrated perpendicularly to the through holes are formed in the longitudinal direction of one side of the elastic cover body with the pipes coupled to the inner side.

In addition, according to a preferred embodiment of the present invention, the through hole of the elastic cover body is formed through any one selected from a circle or a square.

In addition, according to a preferred embodiment of the present invention, the pipe is made of any one selected from a circular or square shape.

In addition, according to a preferred embodiment of the present invention, the pipe coupled to the elastic cover body can elastically correspond to the size of the formwork or support plywood through a connector formed at one end and can vary the length.

In addition, according to a preferred embodiment of the present invention, when the pipe is coupled to the plurality of elastic cover body coupled to the inside through the connector, a plurality of bolt holes along the outer circumferential direction made of a plate shape to increase the binding force between the respective materials It is formed so that both sides correspond to the coupling portion of the interconnected elastic cover body is provided with a reinforcing support through the bolt coupling.

In addition, according to a preferred embodiment of the present invention, the positioning means is formed at both ends of the elastic cover body so that the elastic cover bodies connected to each other in the longitudinal direction are coupled in the same shape without twisting about the pipe.

In addition, according to a preferred embodiment of the present invention, the positioning means, the coupling protrusion formed integrally projecting on one end of the elastic cover body and the coupling groove formed on the other end corresponding to the coupling groove;

As described above, the building formwork material of the present invention can be reused even after construction with formwork material to increase the support strength so as not to be cut or broken when fastened to the formwork or dismantled, and thus can be used for a long time.

In addition, by varying the length of the formwork in accordance with the size of the formwork to enable a flexible response to prevent the occurrence of building waste, there is an effect that can reduce the construction cost.

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

In the drawings, Figure 1 is a perspective view showing a building formwork angle shell according to the present invention, Figure 2 is a perspective view showing a connection form between the building formwork angle and each material according to the present invention, Figure 3 is a building formwork shell and the angle according to the present invention Figure 4 is a cross-sectional view showing a connection state between each other, Figure 4 is a perspective view showing a bolted state to the fastening hole of the building formwork shell according to the present invention, Figure 5 is a use state perspective view showing the use state of the building formwork shell according to the present invention, Figure 6 is a perspective view showing another embodiment of the building formwork shell according to the present invention, Figure 7 is an exploded perspective view showing another embodiment of the building formwork shell according to the present invention.

As shown in Figures 1 to 3, the building formwork shell 100 for supporting the formwork or support plywood 40, etc. to maintain the desired shape during the time the concrete 30 is hardened during construction of the building is elastic The cover 10 is composed of a pipe 20 and a connector 22 provided at one end of the pipe 20.

The elastic cover body 10 is made of an elastic material having elasticity and elastically corresponds to the size of the formwork or support plywood 40 and is formed in various sizes and lengths so that variable length adjustment is made. The through hole 12 is formed through.

In addition, the cross-section of the elastic cover body 10 is formed in a rectangular shape, as shown in the accompanying Figure 2, each surface is a concave surface recessed to a predetermined depth (t) along the longitudinal direction (11) By forming a), even if the self-deformation occurs due to the bolt coupling for a number of times and a long time, such as the formwork or plywood 40, even if a predetermined filling phenomenon is achieved by increasing the area of the surface corresponding to the formwork and the interview to the maximum And it is configured to smoothly perform a role as a lumber for fixing the support plywood (40).

At this time, the shape of the through-hole 12 is preferably made of a circular or rectangular shape so as to use a circular pipe and a square pipe that is widely used in building construction.

In addition, the pipe 20 is made of a metal material having rigidity and is made of a circular or square shape (not shown), it is preferable to be formed to correspond to the shape of the through-hole 12, the pipe 20 formed as described above ) Is inserted into the through hole 12 inside the elastic cover body 10 and serves to increase the supporting strength together with the elastic cover body 10.

In addition, in the longitudinal direction of one side of the elastic cover body 10 is formed with a plurality of fastening holes 14 penetrated perpendicularly to the through hole 12 together with the pipe 20 coupled to the inside, formwork or support To facilitate the coupling of bolts (B) or fastening pins (P) to the plywood (40) and at the same time to prevent damage to the formwork shells due to the removal of the bolts (B) and fastening pins (P) fastened when dismantling the formwork, When reusing it can be used directly in the construction site without having to drill a separate fastening hole (14).

At this time, the bolt (B) is preferably composed of a butterfly bolt (B1) and a butterfly nut (B2) and fastening washers (W) which are widely used in construction, as shown in Figure 3 and 4 attached, On the contrary, those skilled in the art will find out that the building formwork shell 100 and the support plywood 40 may be mutually fastened by using other fastening members or the like as necessary.

In addition, one end of the pipe 20 inserted into the through-hole 12 of the elastic cover body 10 is formed to correspond to the inner diameter of the pipe 20, one end of both ends of the inside of the pipe 20 It is inserted into and fixed to the predetermined, and the other end is formed to protrude to the outside so that the connector 22 for connecting the pipe 20 to each other in the longitudinal direction is fixedly installed.

That is, as shown in Figures 2 and 3 attached, through the connector 22, the building formwork shell 100 consisting of the elastic cover body 10 and the pipe 20 of the formwork or support plywood 40 It is possible to adjust the length to respond elastically to the size.

In this case, the connector 22 is preferably fixed to one end of the pipe 20, but if necessary, a female thread (not shown) is formed on an inner circumferential surface of one end of the pipe 20, and a corresponding connector coupled thereto ( The outer peripheral surface of one end of 22) forms a male screw thread (not shown) to clearly indicate that the pipe 20 and the connector 22 can be detachably formed through screwing.

In addition, the building formwork shell 100, as shown in the accompanying FIG. 4, is formed not only in a single length, but in the size of the formwork and support plywood 40 to be formed and supported in various kinds of length or size It is desirable to be configured so that the length can be variably adjusted through the connection between each of the angle and the angle of each other to elastically correspond.

On the other hand, as shown in Figure 6, both ends of the elastic cover body 10 of the building formwork shell 100 of the present invention, the elastic cover body 10 is connected to each other in the longitudinal direction of the pipe 20 Positioning means is formed to be coupled in the same shape without twisting around.

Here, the positioning means is composed of a coupling protrusion (16) protruding integrally formed at one end of the elastic cover body (10) and a coupling groove (17) formed at the other end to correspond to and engage with each other.

At this time, the shape of the coupling protrusion 16 and the corresponding coupling groove 17 is formed in a circular or polygonal shape, when formed in a circular shape as necessary, at least one or more coupling to each end of the elastic cover body 10 It is preferable that the protrusion 16 and the coupling groove 17 are formed.

On the other hand, as shown in Figure 7, when the pipe 20 is coupled to the plurality of elastic cover body 10 coupled to the inside through the connector 22, in the form of a plate to increase the binding force between each material A plurality of bolt holes 52 are formed along the outer circumferential length thereof so that both side portions correspond to coupling portions of the elastic cover body 10 connected to each other, and a reinforcing support member 50 is installed through the bolt coupling.

At this time, the bolt hole 52 of the reinforcing support 50 is formed to correspond to the fastening hole 14 of the elastic cover body 10 connected to each other so that the bolt (B) is the reinforcing support 50, the elastic cover body ( 10), the pipe 20 and the support plywood 40 is preferably configured to be bolted through.

That is, by reinforcing the connecting portion between the lumber and the lumber through the reinforcing support 50, to increase the support strength and cohesion of the building formwork angular member 100 to prevent the connection of the lumber and the lumber fall or twist and It can be prevented from being damaged or deformed by the pressing force (side pressure) according to the load of the concrete 30 acting on the support plywood 40.

Looking at the effect of the present invention made of the above configuration as follows.

First, the building formwork shell 100 of the present invention, as shown in the accompanying FIG. 5, when constructing a concrete building, formwork or that can maintain the desired shape during the time that the poured concrete 30 is hardened or Is installed horizontally or vertically on one side of the support plywood 40, made of an elastic material formed in the same length as the elastic cover body 10 in the inner central portion of the elastic cover body 10 having various sizes and lengths The support strength was greatly increased by inserting the metal pipe 20 having rigidity, and one end of the pipe 20 was formed to correspond to the inner diameter of the pipe 20, and one end of the pipe 20 was formed. It is fixedly inserted and inserted into the inside of the 20, and the other end is formed to protrude to the outside so that the connector 22 for connecting the pipe 20 to each other in the longitudinal direction.

Therefore, the pipe 20 coupled to the elastic cover body 10 and the connector 22 fixedly installed at one end of the pipe 20 correspond to the size of the formwork or plywood 40 and are continuous in the longitudinal direction. It is configured to make a fastening to correspond to the size of the formwork or plywood 40 elastically and to enable a variable length adjustment and at the same time supported by the coupling of the elastic cover body 10 and the pipe 20 It can greatly increase the strength.

In addition, in the longitudinal direction of one side of the elastic cover body 10, a plurality of fastening holes 14 vertically penetrated with the through holes 12 together with the pipe 20 coupled to the inner side is formed of a die or support plywood. When installing the formwork primitives 100 in the 40, the user can easily and conveniently determine the appropriate position for fastening the bolt has the effect of increasing the convenience in construction.

In addition, the outer circumferential surface of the elastic cover body 10 forms a concave surface 11 that is recessed at a predetermined depth t along the longitudinal direction, so that the die or support plywood 40 or the like can be used many times and for a long time. Due to the self-deformation due to the bolted connection, even if a certain filling phenomenon occurs, the area of the surface corresponding to the formwork and the interview can be increased to the maximum, thereby smoothly serving as a lumber for fixing the formwork and the supporting plywood 40. It has an effect.

And, when the building formwork shell 100 is installed in close contact with the support plywood 40 or one side of the formwork horizontally, as shown in Figure 4, by driving the fastening pin (P) support plywood 40 It can be fixed at.

In addition, since it is configured to surround the outer circumferential surface of the pipe 20 for supporting the formwork or support plywood 40 through the elastic cover body 10, the pipe 20 is corroded by rainwater while supporting the formwork. It can be reduced to a minimum it is possible to extend the service life of the pipe (20).

In addition, the building formwork shell 100, unlike the conventional timber made of wood, by reducing the deformation or breakage rate due to weathering or formwork dismantling to a minimum, widening the recycling range of the building garbage generated during construction At the same time, there is an advantage to reduce the amount of building construction costs.

Therefore, the building formwork shell 100 of the present invention is to be used both in retaining walls, columns and slabs during construction of the building, and reused even after construction as a formwork box by increasing the support strength to prevent cutting or breakage upon fastening or dismantling the formwork. It can be used for a long time according to the size of the formwork, and it is possible to adjust the length of the formwork by varying the length of the formwork so that the elastic response can be made to prevent the occurrence of building waste and at the same time reduce the construction cost. .

The above embodiments are merely illustrative of preferred embodiments of the present invention, and the scope of application of the present invention is not limited to the above, and may be appropriately changed within the scope of the same idea.

Therefore, the shape and structure of each component shown in the embodiment of the present invention can be carried out by modifying, such a modification is naturally belong to the appended claims of the present invention.

1 is a perspective view showing a building formwork shell according to the present invention.

Figure 2 is a perspective view showing a connection form between the building blocks and the angle of each angle according to the present invention.

Figure 3 is a cross-sectional view showing the connection form between each of the building formwork angle and the angle according to the present invention.

Figure 4 is a perspective view showing the state of the bolted to the fastening hole of the building formwork square according to the present invention.

Figure 5 is a use state perspective view showing the state of use of building formwork beams according to the present invention.

Figure 6 is a perspective view showing another embodiment of the building formwork beam according to the present invention.

Figure 7 is an exploded perspective view showing another embodiment of a building formwork beam according to the present invention.

Explanation of symbols on the main parts of the drawings

10: elastic cover body

11: concave surface

12: through hole

14: fastener

16: engaging projection

17: coupling groove

20: pipe

22: connector

30: concrete

40: support plywood

50: reinforcing support

52: bolt hole

100: building formwork

B: Bolt

B1: Butterfly Bolt

B2: Butterfly Nut

P: Fastening Pin

W: Tightening Washer

Claims (9)

In the building formwork shell 100 for supporting the formwork or support plywood 40, etc. to maintain the desired shape during the time the concrete 30 is hardened during construction of the building, An elastic cover body 10 formed of an elastic material and having a through hole 12 formed in an inner longitudinal direction thereof; A pipe 20 inserted into the through hole 12 to increase the supporting strength of the elastic cover body 10; It is formed so as to correspond to the inner diameter of the pipe 20, one end of both ends is fixedly inserted into the inside of the pipe 20, the other end is formed to protrude to the outside to the pipe 20 in the longitudinal direction Formwork lumber, characterized in that it comprises a connector (22) to interconnect with each other. The method of claim 1, The cross section of the elastic cover body 10 is made of a rectangular shape, each surface is a building formwork, characterized in that configured to form a concave surface 11 along the longitudinal direction. The method of claim 1, The formwork shell for building, characterized in that a plurality of fastening holes 14 penetrated perpendicularly to the through hole 12 together with the pipe 20 coupled to the inner side in the longitudinal direction of one side of the elastic cover body 10. . The method of claim 1, The through-holes 12 of the elastic cover body 10 is a building formwork, characterized in that the penetrating through any one selected from a circle or a square. The method of claim 1, The pipe 20 is made of a metal material, the building formwork cube, characterized in that made of any one selected from a circular or square shape. The method of claim 1, The pipe 20 coupled to the elastic cover body 10 is elastically corresponding to the size of the formwork or support plywood 40 through the connector 22 formed at one end, and the building formwork, characterized in that the variable length adjustable scantling. The method of claim 1, When the pipe 20 is coupled to the plurality of elastic cover body 10 coupled to the inside through the connector 22, a plurality of bolt holes along the outer circumferential direction is formed in a plate shape to increase the binding force between the respective materials ( 52) is formed formwork shells, characterized in that both sides are connected to the coupling portion of the elastic cover body 10 is interconnected and the reinforcing support (50) is installed through the bolt coupling. The method of claim 1, Both ends of the elastic cover body 10, the building form, characterized in that the positioning means is formed so that the elastic cover body 10 is connected to each other in the longitudinal direction in the same shape without twisting around the pipe 20 scantling. The method of claim 8, The positioning means, Formwork shells for building, characterized in that consisting of; coupling projections 16 integrally formed on one end of the elastic cover body 10 and coupling grooves 17 formed on the other end to correspond to and engage with each other.

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