KR20200014680A - Fixing device for supporting concrete wall form one touch type - Google Patents

Abstract

The present invention relates to a spacing holding device for holding the die (G) at a constant interval, as a feature of the configuration, the binding pin 12 for seating and supporting elastically from the fixing plate 11 on one surface of the die (G) A support 10 having a connection shaft 13 accommodating the connection shaft 13 and having a connection pipe 15 at the lower end of the connection shaft 13 to facilitate separation after curing of concrete; At least two locking pieces 25 are mounted to be received on the connection pipe 15 of the support 10, and the sepatie 30 is connected to the connection pipe 15 of the support 10 in a one-touch manner. Engaging means 20 which can be fastened and dismantled; And a septum (30) having a thread (31) to be attached and detached to the inside of the engaging piece (25) of the locking means (20), and having a cutting groove (32) to be cut when completion of curing of concrete. It characterized in that it comprises a.
Accordingly, the present invention is a simple and compact structure and convenient in preventing the formwork from being broken or damaged during the concrete pouring process, it is possible to quickly install by disassembly work is fixed and installed the dismantling Sepha Tie in one-touch manner There is an effect to reduce workability, safety, workability and labor.

Description

Fixing device for supporting concrete wall form one touch type}

The present invention relates to a one-touch formwork gap maintaining mechanism, and more particularly, to prevent the formwork from being opened or broken during the concrete placing process, a simple and compact structure and convenient, one-touch spacing the Sepha Tie The fixed installation and dismantling work is made possible by the rapid construction and the one-touch formwork gap maintenance fixing device that can reduce the workability, safety, workability and labor.

In general, it is preferred to install concrete forms such as Euro forms, Gang forms, etc. at construction sites such as apartments, and then install concrete therein. At this time, to prevent deformation due to the load change acting on the formwork during the concrete placing and curing process, the spacing of the formwork is maintained by using the Sepha Tie. Such Sepha Tie is a disposable type that is installed through a separate fixing means, and smoothness of installation and dismantling is also required.

As prior art documents that can be referred to in this regard, Korean Patent Registration No. 10-0519804 (prior document 1) and Korean Utility Model Registration No. 20-0399282 (prior document 2) are known.

Prior Art 1 has a fastening device for concrete formwork including a Sepha Tie formed on one side of the fastening piece 12, the fastening hole 13 is formed; Sepha Tie 10 having a locking groove 15 is formed so that the locking step 16 is formed at the other end of the fastening piece 12; Cone tip (20a) and the cylindrical body portion (20b) of the conical shape integrally formed with a through-hole 21 in the center of the tip portion (20a) and a wedge insertion groove (28) formed in the body portion (20b) 20); A cylindrical cylinder 40 formed with a stepped 45 so that a through hole 41 is formed at one side thereof; A body 50 having a spring insertion groove 55 formed at one end thereof and a wedge insertion hole 58 formed therein; A plurality of steel ball insertion grooves 62 formed at one end of the cylindrical shape formed in multiple stages to insert the steel balls 65, and the fixing member 60 into which the shaft bar 67 is inserted; The body 50 and the cylinder 40 are fastened to include the fixing member 60, and the compression spring 35 is inserted into the spring insertion groove 55 of the body 40 to fix one end thereof to the fixing member 60. Fasteners 30, which is coupled to the end of the shaft bar 67 passing through) and the other compression spring 38 is inserted between the fixing member 60 and the body 50; The fastener 30 is inserted into the body portion 20b of the cone 20, but the wedge insertion groove 28 formed in the body portion 20b of the cone 20 and the body 50 of the fastener 30. And the wedge 70 is inserted through the wedge insertion hole 58 and the one end of the Sepha Tie 10 having the locking groove 15 is formed in the through hole 21 of the cone 20 and the through hole of the cylinder 40. It proposes a fixture for concrete formwork, characterized in that inserted into (41).

However, the above-mentioned prior document is based on the engagement structure using the ball and the wedge, and the sepatie is easy to be combined and separated, but the overall structure around the fixing means for moving the ball is not only complicated but practical practicality and performance is insufficient. There are disadvantages.

Prior Art 2 has a sephaty (11) having a screw portion (12) on one side and a fixing portion (15) having fastening holes (13) and cutting grooves (14) formed on the other side of the inner and outer dies (17, 18). It is located in between, by inserting the wedge (19) in the fastening hole 13 of the fixing part (15) and fixed with the inner formwork 17, by fixing the screw portion 12 to the outer formwork (18), The gangform fastener 21 and the fixed hardware 31, the gangform fastener 21 forms a screw thread 22 for fastening the threaded portion 12 of the Sepha Tie 11, the outer diameter is tapered It has an end 23 of the inclined inclined surface, the locking jaw 24 is formed inside the end 23, the fixing consisting of the spiral inclined surface 27 and the tapered outer peripheral surface 26 inside the locking jaw (24) The hardware has a duration 28, and the rear end of the gang form fastener 21 forms a left screw thread 29 on the outer circumferential surface or inner diameter, and the bolt 30 or nut 30-1 on which the left screw thread is formed is fastened. The fixing iron 31 is formed by bending a wire having elasticity, and having an upper and lower external pressure part 33 connected to the central handle part 32 bent in a "c" shape, and the external pressurizing part ( 33 is connected to the upper and lower connecting portion 34 bent to have elasticity, the upper and lower connecting portion 34 is connected to the upper and lower inner support 35, bent in a U-shape, the upper and lower The inner support (35) is formed with a coupling portion 36 formed by bending the V-shape, one side of the iron end of the coupling portion 36 to have a wire fixing fixture (37), the gangform fastener 21 is the outer It proposes a spacing for holding the formwork, characterized in that the formwork frame 20 is fastened and fixed to the support plate 41 and the fixing hardware (31).

However, the prior art has a relatively simple structure around the tapered end 23, the locking jaw 24, the spiral inclined surface 27, the tapered outer circumferential surface 26, etc., but in view of ease of construction, There is room for it and it is difficult to apply in practical use.

Korea Patent Registration No. 10-0519804 "Concrete Formwork Fixture" (Registration Date: September 29, 2005) Korean Utility Model Registration No. 20-0399282 "Gap Maintenance Zone for Forming" (Registration Date: October 14, 2005)

Accordingly, the present invention is to fundamentally solve the conventional problems as described above, in order to prevent the formwork from being opened or damaged during the concrete placing process, simple and compact structure and convenient, one-touch spacing sepatai Its purpose is to provide a one-touch formwork holding device that can reduce construction work, safety, workability, and man-hours due to fixed installation and dismantling work.

In order to achieve the above object, the present invention provides a spacing holding device for maintaining the formwork at regular intervals: provided on one side of the formwork with a connecting shaft accommodating a binding pin seated and supported by the elastic force from the fixing plate, the concrete at the bottom of the connecting shaft A support having a connecting pipe to facilitate separation after curing; A latching means for mounting at least two or more partitioning pieces to be received on the connection pipe of the support, the locking means being capable of being fastened and dismantled with the Sepha Tie in a one-touch manner on the connection pipe of the support; And a sephaty provided with a screw thread to allow binding and detachment onto the inside of the locking piece of the locking means, and having a cutting groove to be cut when the curing of the concrete is completed.

At this time, the support according to the present invention is connected to form a sliding groove in the longitudinal direction on the inner surface while being formed with a horizontal surface and an inclined surface to facilitate the separation after the concrete curing on the outer surface and the mounting hole extending to the spring on the end of the connecting shaft It is characterized by including a tube.

At this time, the locking means according to the present invention is accommodated in the interior of the connecting pipe and the spring is carried in the mounting hole of the connecting shaft, the blocking piece for supporting while preventing the separation and shaking of the spring, and the spiral groove in the divided structure It is characterized in that it comprises a locking piece having a receiving groove, the division is prevented by the connection C ring.

In addition, the engaging piece of the present invention is characterized in that it is provided in the slide groove of the connection pipe and at the same time having a sliding protrusion to facilitate the fastening of the Sepha Tie.

In addition, the locking piece of the present invention is characterized in that it further comprises a space portion at intervals of 0.2 to 0.5mm to facilitate the mounting of the locking piece during disassembly of the Sepha Tie.

On the other hand, the terms or words used in the present specification and claims are not to be construed as limited to the ordinary or dictionary meanings, the inventors should use the concept of the term in order to explain his invention in the best way Based on the principle that it can be properly 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 substituted for them at the time of the present application It should be understood that there may be equivalents and variations.

As described in the above configuration and operation, the one-touch formwork gap maintenance fixing device according to the present invention is simple and compact in structure and convenient to prevent the formwork from being broken or broken during the concrete placing process, and maintains the spacing in a one-touch manner. The fixed installation and dismantling work of the job sephaty is made possible for rapid construction, thus providing the effect of reducing workability, safety, workability and man-hour.

1 is a perspective view showing a coupling retaining device according to the present invention in a coupled state.
2 and 3 are exploded perspective view showing the main part of the interval maintaining mechanism according to the present invention.
4 and 5 is a configuration diagram sequentially showing the assembly process of the interval maintaining mechanism according to the present invention.
Figure 6 is a block diagram showing a construction state using the interval maintaining mechanism according to the present invention.

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

The present invention proposes a spacing holding device for holding the die (G) at a constant interval. On the other hand, the formwork gap maintaining mechanism of the present invention can be installed and dismantled in a one-touch manner in the process of placing concrete, so that the construction can be quickly and the workability and workability can be reduced. The one-touch formwork gap maintaining mechanism has a support 10, the locking means 20, the Sepha Tie 30 as a main configuration.

According to the present invention, a support 10 having a connecting shaft 13 accommodating a binding pin 12 seated and supported by an elastic force on one surface of the formwork G is provided at a lower end of the connecting shaft 13. After the curing of the concrete is provided with a connection pipe 15 to facilitate separation. The support 10 has a binding pin 12 for elastically seating support on the fixing plate 11 installed on one surface of the form (G), as shown in Figure 1 and 6, in a predetermined length downward to the center of the fixing plate (11) It has a connecting shaft 13 formed. The support 10 may be formed in a structure that is easy to install and dismantle in the formwork G, and may be applied in various ways. The support 10 is provided with a connecting pipe 15 to facilitate the separation after curing the concrete at the bottom of the connecting shaft 13, the connecting pipe 15 is narrowed downward starting from the bottom of the connecting shaft 13 It is preferable to take a tubular structure having a gradient formed on the inner surface and to have a gradient on the outer surface, which will be described later.

At this time, according to the detailed configuration of the present invention, the support 10 is a mounting hole 14 extending so that the spring 24 is supported on the end of the connecting shaft 13, and the horizontal surface to facilitate separation after curing the concrete on the outer surface It is characterized in that it comprises a connecting pipe (15) for forming the slide groove (17) in the longitudinal direction on the inner surface while being formed of (16a) and the inclined surface (16b). The support 10 is composed of a mounting hole 14 and the connecting pipe 15 at the end of the connecting shaft 13 as shown in FIGS. Since the mounting holes 14 are supported by the springs 24 of the locking means 20 at the ends of the connecting shafts 13, the mounting holes 14 are provided with the configuration of the locking means 20 to be described later in the connection pipe 15. In the process of combining the support 10 with one in the state includes the purpose of operating the one-touch binding and detachment of the Sepha Tie 30 to the engaging piece 25. The mounting hole 14 is formed smaller than the circumference of the connecting shaft 13, it is important to have a circumference that can be fixed while receiving the interior of the spring 24 of the locking means (20). In other words, the spring 24 is adjacent to the lower end of the connecting shaft 13 while centering the center to provide elastic force on the same line as the connecting shaft 13 to receive a part of the spring 24 inwardly, thereby leaving the center point. In order to prevent the mounting hole 14 is formed to extend.

And the connecting pipe 15 is formed of a horizontal surface (16a) and the inclined surface (16b) on the outer surface, that is, the outer diameter, as shown in Figs. 4 and 5, which is easy to detach after curing the concrete on the outer surface as well as easy to fix the inner screw In the inner surface, that is, the inner diameter of the slide groove 17 is formed in the longitudinal direction, which is inserted into the locking piece 25 of the locking means 20 to be described later is inserted into the Sepha Tie 30 and stable idling when dismantling It serves to facilitate the prevention.

On the other hand, on the drawing, the support 10 and the connecting pipe 15 are mutually coupled and at the same time, the coupling portion is configured by the finishing treatment, such as welding, although not shown through the drawings, the mounting holes 14 and the connecting pipe 15 are By adopting a screw coupling method, the support 10 and the connection pipe 15 are not welded with each other, and thus can be dismantled and reused after use.

In addition, according to the present invention, the engaging means 20 for mounting the engaging piece 25 is divided into at least two to be received on the connecting pipe 15 of the support 10 is the connecting pipe 15 of the support 10 ) And fastening and disassembly with the Sepha Tie 30 in a one-touch manner. The locking means 20 serves to fasten and disassemble the Sepha Tie 30 in a one-touch manner, and split at least two or more while being accommodated on the connection pipe 15 of the support 10 as shown in FIGS. 2 and 3. The engaging piece 25 is mounted. On the other hand, the locking means 20, as described later, not only the locking piece 25 is accommodated, the spring 22, the blocking piece 23, 24 is accommodated. However, the locking piece 25 performs the main role in the locking means 20 to interlock with the Sepha Tie 30 to perform the fastening and dismantling from the support 10.

At this time, according to the detailed configuration of the present invention, the locking means 20 is accommodated in the interior of the connecting pipe 15 and the spring 22 which is supported by the mounting hole 14 of the connecting shaft 13, the spring 22 The separation piece (23) and (24) to support while preventing the separation and shaking of the divided by the connection C ring 29 having a spiral groove 27, the receiving groove 28 therein in a divided structure It is characterized by having a locking piece 25 to be prevented. 2 and 3, the locking means 20 includes a blocking piece 23, a spring 22, a blocking piece 24, and a locking piece 25 sequentially so as to be accommodated in the connection pipe 15. Spring 22 serves to provide an elastic force to move the locking piece 25 up and down, bar block 23 while being supported by the mounting hole 14 of the connecting shaft 13 in the upper portion as shown in FIG. It is supported on, while the lower portion is in contact with the blocking piece 24 serves to secure the fastening piece 25 in close contact on the inside of the connecting pipe (15).

On the other hand, the spring 22 of the present invention is formed with the same diameter as the inner diameter of the connecting pipe 15 so that the separation and clearance from the locking piece 25 does not occur and at the same time can be moved up and down smoothly. That is, the spring 22 is formed to the same diameter as the inner diameter of the connecting pipe 15, as shown in Figs. 4 and 5, which is when the engaging piece 25 is raised by the coupling of the Sepha Tie (30) This is to reliably compress or decompress from the inner diameter of 15) without play or distortion.

In the blocking pieces 23 and 24, the blocking piece 23 is positioned at the upper portion as described above, that is, the mounting piece 14 is mounted on the mounting hole 14 of the connecting shaft 13 to support the spring 22 and the blocking piece 24. ) Is positioned at the bottom while manufacturing the plastic material, that is, while contacting the engaging piece 25 serves to move up and down from the inside of the connecting pipe 15 by the spring 22.

And the locking piece 25 is made of a bi-divided structure as shown in Figures 2 and 3, the connection C ring 29 is provided to prevent the mutual division, that is, the outer diameter of the locking piece 25, the insertion groove 25b ) Is formed so that the connection C ring 29 is installed. The connection C ring serves to prevent the phenomenon that the locking piece 25 accommodated in the inner diameter of the connecting pipe 15 is inserted into a gap with the excessive separation prevention. And the inner diameter of the engaging piece 25 has a spiral groove 27, the receiving groove 28, the spiral groove 27 is for fastening the Sepha Tie 30, the receiving groove 28 is a spiral groove ( Positioned at the end of the 27) guides the insertion of the Sepha Tie 30 to facilitate the fastening with the locking piece 25.

At this time, the locking piece 25 of the present invention further includes a space portion 25c at intervals of 0.2 to 0.5 mm so as to easily guide the mounting of the locking piece 25 when disassembling the Sepha Tie 30. This prevents mutual splitting by the connection C ring 29 as shown in FIG. 5 but is not perfectly matched. In other words, the engaging pieces 25 are prevented from being divided with the space portion 25c by the connecting C ring 29. The space portion 25c is formed at intervals of 0.2 to 0.5 mm so as to be easily seated in the slide groove 17 of the connecting pipe 15 at the time of dismantling of the sepatie 30.

In addition, the engaging piece 25 of the present invention is inserted into the slide groove 17 of the connecting pipe 15 and at the same time proceeds along this to have a sliding protrusion (25a) to facilitate the fastening of the Sepha Tie (30). It features. 2 to 5, the locking piece 25 is provided with a sliding protrusion 25a on the outer surface, that is, the outer diameter, the sliding protrusion 25a is formed on each of the divided locking pieces 25. The sliding protrusion 25a is inserted into the sliding groove 17 of the connecting pipe 15 to prevent the idling when the sepatie 30 is fastened accordingly.

Thus, as the receiving means 20 made of the blocking piece 23, the spring 22, the blocking piece 24, the locking piece 25 on the connecting pipe 15 sequentially received, the support 10 The elastic force of the spring 22 acts up and down inside the connecting pipe 15 so that the engagement and disassembly with the Sepha Tie 30 can be performed smoothly without departing from the range in which the locking piece 25 is accommodated together with the blocking piece 24. Can be. That is, the support 10 is accommodated in the inner diameter of the connecting pipe 15, while receiving the locking piece 25 of the locking means 20 in contact with the locking piece 25 is received, the upper spring ( 22) is touched by the blocking piece 23 on the connecting pipe 15 is fixed in close contact with the elastic force.

In addition, according to the present invention, the sepaty 30 having a thread 31 to be attached and detached to the inside of the engaging piece 25 of the locking means 20 is cut in the cutting groove so as to be cut when the curing of the concrete is completed. (32) is provided. The Sepha Tie 30 is mounted to allow the binding and detachment work to the inside of the engaging piece 25 as shown in Figs. 4 and 5, and on the contrary to prevent the detachment due to the operation in the reverse direction. The thread 31 is provided in the. In other words, it is configured to be able to perform both the binding and desorption operation by mounting in the forward direction, and in the present invention configured to not be separated and detached by the operation in the reverse direction to the sepatie 30 is the locking means 20 Are easily coupled to. And the cutting groove 32 is provided so that the Sepha Tie 30 can be cut when the curing of the concrete is completed as shown in FIG.

In operation, as shown in FIG. 4, when the thread 31 of the Sepha Tie 30 is first coupled onto the connecting pipe 15, the inner locking piece 25 moves forward like the blocking piece 24, and the spring 22 ) The elastic force is gradually compressed. At this time, the sliding protrusion 25a of the engaging piece 25 is gradually advanced along the slide groove 17 of the connecting pipe 15. That is, when the Sepha Tie 30 is rotated, the threads 31 are engaged with the spiral grooves 27 of the fastening pieces 25 to move forward, and the fastening pieces 25 are formed along the gradient inner side of the connecting pipe 15. Pushed to the top.

Accordingly, even if the Sepha Tie 30 is pulled again, the Sepa Tie 30 is mounted without being disassembled by the engagement of the spirals. In this way, only the Sepha Tie 30 can be easily and quickly installed because it can be closely coupled to the simple operation of pushing the connection pipe 15 of the support 10.

After the curing of the concrete is completed, the cutting grooves 32 of the sepatie 30 are cut, and when the connecting shaft 13 of the support 10 is rotated with one touch, the separing piece 25 is opened as shown in FIG. 5. 30, the engagement force is released and at the same time the locking piece 25 is released from its initial state, that is, from the enlarged drawing state of FIG. 4 to the enlarged drawing state of FIG. As such, the support 10 as well as the locking means 20, which is the main configuration of the present invention, can be separated and recycled again.

As described above, the present invention is simple and compact structure and convenient in preventing the formwork from being broken or damaged during the concrete placing process, the installation and dismantling work of the Sepha Tie which is the spacing area in one-touch method can be made quickly Construction and safety, workability and man-hours can be reduced.

It is apparent to those skilled in the art that the present invention is not limited to the described embodiments, and that various modifications and changes can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations will have to belong to the claims of the present invention.

10: support 11: fixing plate
12: binding pin 13: connecting shaft
14: mounting hole 15: connector
20: locking means 22: spring
24, 25: spring 25: locking piece
25a: Slide protrusion 25b: Insertion groove
25c: space part 27: spiral groove
28: receiving groove 29: connection C ring
30: Sepha Thai 31: Thread
32: incision groove
G: formwork

Claims (5)

In the gap retaining mechanism for keeping the form G at regular intervals:
On one side of the formwork (G) is provided with a connecting shaft (13) receiving a binding pin (12) for seating support from the fixing plate (11), and at the lower end of the connecting shaft (13) to facilitate separation after curing the concrete A support 10 having a connecting pipe 15;
At least two locking pieces 25 are mounted to be received on the connection pipe 15 of the support 10, and the sepatie 30 is connected to the connection pipe 15 of the support 10 in a one-touch manner. Engaging means 20 which can be fastened and dismantled; And
Sepha Tie (30) having a threaded thread (31) capable of binding and detachment onto the engaging piece (25) of the locking means (20), and having a cutting groove (32) to be cutable upon completion of curing of concrete. One-touch formwork gap holding fixture characterized in that it comprises a. The method of claim 1,
The support 10 is mounted to the mounting hole 14 so that the spring 24 is supported on the end of the connecting shaft 13, and the horizontal surface (16a) and the inclined surface (16b) to facilitate separation after curing the concrete on the outer surface The one-touch formwork spacing holding device, characterized in that it has a connecting pipe 15 to form a sliding groove 17 in the longitudinal direction on the inner surface while being formed. The method of claim 1,
The locking means 20 is accommodated in the connecting pipe 15 and supported by the spring 22 which is supported by the mounting hole 14 of the connecting shaft 13, while preventing the spring 22 from falling off and shaking Blocking piece (23) and (24), and having a two-segmented structure having a spiral groove 27, the receiving groove 28 therein, the locking piece 25 is prevented from being divided by the connection C ring (29) One-touch formwork gap maintaining fixture, characterized in that. The method of claim 1,
The locking piece 25 is inserted into the slide groove 17 of the connection pipe 15 and at the same time proceeds along this one-touch method characterized in that it comprises a sliding protrusion 25a to facilitate the fastening of the Sepha Tie 30. Die spacing fixture. The method of claim 1,
The locking piece 25 is one-touch type, characterized in that further provided with a space portion 25c at intervals of 0.2 to 0.5mm to easily guide the mounting of the locking piece 25 when dismantling the Sepha Tie 30 Die spacing fixture.

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