KR101479910B1 - Folded internal form for building - Google Patents

Abstract

The present invention relates to a collapsible internal form for a building used to form a material pull outlet formed on a concrete slab and, more specifically, relates to the collapsible internal form for a building which facilitates mold installation and deformation operation using a collapsible lateral type plate and a cornered plate. The present invention provides the collapsible internal form for a building facilitating mold installation and deformation capable of reusing the form. To achieve the purpose of the present invention, a corner separation unit is formed between the lateral type plate of a front and rear and right and left side disposed in a rectangular frame on a slab form, and a hinge plate bonded to the lower end portion of the lateral type plate fixated to the slab form.

Description

[0001] Folded internal form for building [0002]

The present invention relates to a folding inner formwork for use in forming a large amount of masonry, which is mainly a material to be formed on a concrete slab, and more particularly, to a folding type inner formwork for folding a building using a foldable side mold and a corner mold, The present invention relates to a folding type building die for a building.

Conventionally, in order to form a rectangular cross-shaped material that passes through a slab vertically, it is necessary to cut the slabs and plate materials, and then connect the slabs to each other in a rectangular shape. I was putting it.

However, such conventional molds are difficult to move inward during demoulding, so they can not be demolded before concrete curing. At this time, there is a problem that the concrete around the molds is broken and damaged, and the slabs and plates used in the molds are severely damaged There was a problem.

KR 10-0583361 B1 KR 10-1034732 B1

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a foldable inner formwork for construction which can be easily installed and demolded, and can be reused.

In order to accomplish the object of the present invention, corner dividing portions are formed between front and rear side left and right side mold plates disposed on a slab form on a slab mold, a hinge plate coupled to a lower end portion of the side mold is fixed to a slab mold, And a bottom contact portion of an "L" -shaped cross section which is in close contact with the hinge plate and the slab former is formed at the lower end portion of the corner mold plate, and the hinge plate formed at the connection portion between the side mold plate and the hinge plate Wherein a groove is formed in the outer corner where the corner mold plate and the bottom close portion meet, and the upper mold is formed along the upper end of the side mold and the corner mold, a reinforcing plate is provided at the inner corner of the corner mold, Diagonal braces that are free from elongation and contraction are alternately crossed in an "X " shape so that both ends of the diagonal braces facing diagonally opposite ends thereof And a wire fixing pin inserted into the pin hole formed in the upper reinforcing portion of the side mold plate is installed at both ends of the tensile wire to connect to the reinforcing plate of the building, An internal mold is provided.

As described above, according to the present invention, since the side mold for forming the muzzle, which is a material, is hinged to the hinge plate, when the mold is folded by tilting it inward at an upper end of the mold, The template can be easily separated, so that the mold releasing operation can be performed quickly and easily.

The corner mold plate can be closely attached to the side mold plate or can be easily separated from the side mold plate according to the direction in which the hexagonal nut provided on the diagonal brace is rotated so that the mold setting operation and demoulding operation can be performed quickly, It is effective.

The corner plate, the side plate, the hinge plate, the rubber plate, the diagonal brace, and the tension wire can all be reused, thereby reducing the construction cost.

Since the rubber die plate is inserted into the corner spacing portion formed at the corner portion of the side die plate and the outer side face of the rubber die plate is flush with the outer side face of the side die die plate, There is an effect that molding can be performed in the same manner as the side shape.

When the corner plate is brought into close contact with the inner side surface of the side plate by the diagonal brace, the engaging hole formed in the bottom close contact portion is caught by the latch pin provided on the hinge plate, so that the effect that the corner plate is prevented from being lifted from the side plate have.

Further, the present invention can improve the strength of the form because the upper end reinforcing portion is formed at the upper end of the side mold and the corner mold plate, and prevents the deformation of the upper reinforcement portion due to the force when the side mold is separated from the material- There is also an effect that can be done.

Since the groove formed in the outer edge portion where the corner mold plate and the bottom close contact portion meet when the corner mold plate is brought into close contact with the inner side face of the side mold plate is made to adhere to the hinge engaging portion, the leakage of concrete through this portion can be prevented.

Since the lateral strength of the side molds and the corner molds is enhanced by the jaws formed on the side molds and the corner molds, the life of the molds is expected to be prolonged, and after the curing of the concrete, the side molds, the corner molds and the rubber molds are demolded This can minimize the damage of concrete at the demolding site.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a folding internal formwork according to the present invention;
Fig. 2 is a perspective view of the bottom side of Fig.
Figure 3 is a top plan view of a foldable internal formwork according to the present invention;
Figure 4 is a partial cross-sectional view of a foldable interior formwork according to the present invention,
Fig. 5 is an exploded perspective view showing a side mold and a hinge plate positioned at the rear in the present invention. Fig.
6 is an exploded perspective view showing the side mold and the hinge plate located on the left side in the present invention.
7 is an exploded perspective view showing a diagonal brace according to the present invention.
Figure 8 is an exploded perspective view showing another diagonal brace staggeredly intersecting the diagonal brace of Figure 7;
9 is an exploded perspective view showing a folding internal formwork according to the present invention.
Fig. 10 is a perspective view of a side mold according to the present invention,
FIG. 11 is a cross-sectional perspective view showing a muzzle, which is a material molded into a slab by a folding internal formwork according to the present invention,

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

The corner spacers S1 and S2 are disposed between the side plates 30, 32, 34 and 36 of the front, rear, left and right sides of the slab die 20 as shown in FIGS. 1 to 11, S2, S3 and S4 and the hinge plates 40, 42, 44 and 46 joined to the lower ends of the side molds 30, 32, 34 and 36 are inserted into the slab mold 20 ).

S2, S3, and S4 by the corner mold plates 50, 52, 54, and 56 adhered to the inner surfaces of the side molds 30, 32, 34, 53, 55 and 57 of an L-shaped cross section which are in close contact with the hinge plates 40, 42, 44 and 46 and the slab formwork 20, (50), (52), (54) and (56).

When the side plates 30, 32, 34 and 36 stand upright, the lower ends of the side plates 30, 32, 34 and 36 engage with the hinges 40, 42, 44 and 46 So that the concrete is prevented from leaking through this portion, and at the same time, the angle at which the side molds 30, 32, 34 and 36 are raised is fixed at the time of installing the mold.

In addition, retaining holes 53h, 55h penetrating the bottom sealing portions 51, 53, 55, 57 formed in the corner mold plates 50, 52, 54, 56, The engaging pins 43, 45 and 47 fitted in the engaging holes 53h and 55h are vertically provided on the upper surfaces of the hinge plates 40 and 42 and 44 and 46, (52), (54), and (56) from being lifted from the side molds (30), (32), (34), and (36).

The "L" -shaped jaws 300 (400) formed on the side molds 30, 32, 34, 36 and the corner molds 50, 52, 54, 30, 32, 34 and 36 and the corner mold plates 50, 52, 54, and 56, respectively.

The hinge engaging portions 48a, 48b, 49a, 49b formed on the side molds 30, 32, 34, 36 and the hinge plates 40, 42, 44, 48c and 49c and the hinge plates 40, 42, 44 and 46 are fixed to the slab die 20 by using the die fixing pin 10 and the wedge 12 The wedge holes 40h, 42h, 44h and 46h are formed in the hinge plates 40, 42, 44 and 46, respectively.

48a, 48b, 49a, 49b formed at the connecting portions of the side molds 30, 32, 34, 36 and the hinge plates 40, 42, 44, The grooves 51g, 53g, 55g and 57g which are brought into close contact with the corner edges of the corner plates 50, 52, 54 and 56 and the bottom edges 51, 53, 55 and 57, .

62, 63 and 64 along the upper ends of the side molds 30, 32, 34 and 36 and the corner moldings 50, 52, 54 and 56, ) 65, 66 and 67 are formed and reinforcing plates 70, 72, 74 and 76 are provided at the inner corner portions of the corner mold plates 50, 52, 54 and 56 .

The cross-sectional shape of the upper reinforcing portions 60, 61, 62, 63, 64, 65, 66, 67 may be, for example, a square pipe shape, The reinforcing plates 70, 72, 74 and 76 are formed by cutting steel plates cut in the shape of, for example, a right triangle so as to fit the inner corners of the corner mold plates 50, 52, 54 and 56 Welding.

For example, the side plates 30, 32, 34, and 36 and the corner plates 50, 52, 54, and 56 may be formed by bending a steel plate in a stepped shape, 60, 61, 62, 63, 64, 65, 66 and 67 may be welded. Alternatively, the side plates 30, 32, 34 and 36 And the corner mold plates 50, 52, 54 and 56 are extruded together with the upper reinforcing portions 60, 61, 62, 63, 64, 65, 66 and 67, respectively It is possible.

52, 54 and 56 in which diagonal braces 80 and 90, which are elongated and reduced in length, are alternately crossed in an "X " shape so as to face diagonally opposite ends of the diagonal braces 80, (70), (72), (74), and (76), respectively.

The diagonal braces 80 and 90 are in the form of a turnbuckle and are arranged in a straight line and oppose each other at the ends of the two rods 81, 81a and 91a and the right screw portions 82a and 92a are formed at both ends of the hexagonal nuts 83 and 93 positioned between the two rods 81, And a clevis portion 84 formed at an end of the rods 81, 82, 91, and 92, and a screw hole 83h formed in the right and left screw portions 82a, 74, 76 formed by using the vertical pins 86, 87, 96, 97 that are freely detachable / engageable with the holes 85, 94, (71), (73), (75), and (77).

34 and 36 of the side plates 30, 32, 34, and 36, which are opposite from each other in the front, rear, left and right sides, are connected by the tension wires 100, 110 and 120, The wire fixing pins 102, 104, 112, and 114, which are inserted into the pin holes 60h, 61h, 62h, and 63h formed in the upper reinforcing portions 60, 61, 62, (122) and (124) are installed at both ends of the tension wire (100) (110) (120).

The tensile wires 100, 110 and 120 are provided with compression sleeves 106, 108, 116, 118, 126 and 128 at the ends of the tension wires 100, 110 and 120, 104, 112, 114, 122, 124 of the wire fixing pins 102, 104, 112,

34 and 36 that are sandwiched by the corner spacing portions S1, S2, S3 and S4 so as to be flush with the outer surfaces of the side molds 30, 32, 34 and 36 and to be in close contact with the slab mold 20, The rubber plates 200, 202, 204 and 206 are attached to the outer surfaces of the corner mold plates 50, 52, 54 and 56 with an adhesive or a double- ) 206 can be formed to conform to the outer shape of the corner mold plates 50, 52, 54,

Stepped jaws 300 and 400 are formed on the side molds 30, 32, 34 and 36 and the corner moldings 50 and 52 and 54 and 56 and the corner mold 50 52, 54, and 56 can be easily lifted by using a tool such as a lever 14 by attaching a pulling ring 410 to a jaw 400 formed on the upper and lower jaws 54 and 56 So that it can be separated.

In the drawings, reference numeral 16 denotes a concrete slab, and reference numeral 18 denotes a pair of mating elements made of the slab 16 by the folding inner die according to the present invention.

Hereinafter, the operation according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 1 to 11, the hinge plates 40, 42, 44 and 46 are placed on the slab mold 20 and the side molds 30, 32, The spacers S1, S2, S3, and S4 are formed at the corners between the side molds 30, 32, 34,

The hinge plates 40, 42, 44 and 46 are fixed to the slab mold 20 by using the mold fixing pin 10 and the wedge 12 and then the side molds 30, 32 and 34 36, the lower end portions of the side molds 30, 32, 34, 36 are temporarily held on the upper surface of the hinge plates 40, 42, 44, 46.

Next, the corner plates 50, 52, 54, and 56 are brought into close contact with the inner side surfaces of the corner portions of the side molds 30, 32, 34, S3) S4, the rubber plates 200, 202, 204, 206 provided on the outer side surfaces of the corner mold plates 50, 52, 54, 56 contact the corner spacing S1 53, 55, and 57 formed at the lower ends of the corner mold plates 50, 52, 54, and 56 are inserted into the hinges 51, 52, 54, 45, 47 provided on the hinge plates 40, 42, 44, 46, when the plates 40, 42, 44, 46 are brought into close contact with the slab die 20, Are fitted into the engagement holes 53h and 55h formed in the bottom contact portions 51, 53, 55 and 57, respectively.

The clevis portions 84, 85, and 94 formed on the diagonal braces 80 and 90 on both sides in a state where the two diagonal braces 80 and 90 are staggered in an "X & And a reinforcing plate 70 provided on the inner side surfaces of the corner mold plates 50, 52, 54 and 56 positioned diagonally by the vertical pins 86, 87, 96 and 97 The wire fixing pins 102, 104, 112, 114, 122, and 124 coupled to both ends of the tension wires 100, 110, 62h and 63h formed in the reinforcing portions 60, 61, 62, 63, 64, 65, 66 and 67 to form the tensile wire 100, The hexagonal nuts 83 and 93 provided on the diagonal braces 80 and 90 are rotated so that the rods 81, 82, 91 and 92 are moved away from each other When the entire length of the diagonal braces 80 and 90 is extended, the corner molds 50, 52, 54 and 56 are pushed outward and the corner molds 50, 52, The side plates 30 (32), (34) and (36) .

At this time, tensile force is transmitted to the tensile wires 100, 110 and 120 through the side molds 30, 32, 34 and 36. When the tensile wires 100, 110 and 120 are tightened, The corner molds 50, 52, 54, and 56 and the side molds 30, 32, 34, and 36 can not move anymore, so that they remain in close contact.

The engaging holes 53h and 55h formed in the bottom contact portions 51, 53, 55 and 57 of the corner mold plates 50, 52, 54 and 56 engage with the hinge plates 40 and 42 The corner plates 50, 52, 54 and 56 are engaged with the engaging pins 43, 45 and 47 provided on the side plates 30, 32 and 34 ) 36 from being lifted.

When the corner molds 50, 52, 54 and 56 are brought into close contact with the inner surfaces of the side molds 30, 32, 34 and 36, 55g and 57g formed at the outer corner portions where the bottom contact portions 51, 53, 55 and 57 meet meet the hinge coupling portions 48a, 48b and 49a ) 49b, it is possible to prevent leakage of concrete through this portion.

The rubber molds 200, 202, 204, and 206, which are sandwiched by the corner spacers S1, S2, S3, and S4 of the side molds 30, 32, 34, The corners of the mating mouth pieces 18 are formed in the same shape as the side molds 30, 32, 34, and 36 because the outer side surfaces are flush with the side molds 30, 32, 34, .

Since the rubber mold plates 200, 202, 204, and 206 are soft, it is possible to forcibly fit or pull out the corner spacers S1, S2, S3, and S4, .

The side plates 30, 32, 34 and 36 and the corner plates 50, 52, 54 and 56, the rubber plates 200, 202, 204 and 206, 40, 42, 44, and 46 are installed in the slab formwork 20, reinforcing bars (not shown) positioned around the side molds 30, 32, 34, The concrete is poured in a state of supporting the outer surfaces of the corrugated plates 30, 32, 34 and 36 and the corner plates 50, 52, 54 and 56.

After the concrete curing, the side molds 30, 32, 34 and 36, the corner molds 50, 52, 54 and 56 and the molds 200, 202, 204 and 206 are demolded When the hexagonal nuts 83 and 93 are rotated in the direction in which the rods 81, 82, 91 and 92 provided on the diagonal braces 80 and 90 are brought close to each other, the corner molds 50 and 52 ) 54 and 56 and the rubber mold plates 200, 202, 204 and 206 have clevis portions 84, 85 and 94 attached to the ends of the rods 81, 82, Which is a material molded while being pulled by the pin 95 and the vertical pins 86 (87), 96 (97).

At this time, the leverage 14 is inserted between the jaw 300 formed on the side molds 30, 32, 34, and 36 and the pulling collar 410 so that the corner molds 50, 52, 54, The corner molds 50, 52, 54 and 56 can be easily drawn out.

The upper reinforcing portions 60, 61, 62, 63, 64, 65, 66, 67 formed on the upper ends of the side molds 30, 32, 34, So that the side plates 30, 32, 34 and 36 can be easily separated from the pair of mating elements 18 as shown in FIG. 10, The wires 100 (110) and (120) can be easily separated from the side molds 30, 32, 34, and 36 because they are relaxed and bent freely.

The hinge plates 40, 42, 44 and 46 can be separated from the slab formwork 20 and reused by separating the wedge 12 from the form fixing pin 10.

10: die fixing pin 12: wedge
14: Lever 16: Slab
18: a pair of materials 20: a slab die
30, 32, 34, 36: side mold plates S1, S2, S3, S4:
40, 42, 44, 46: Hinge plate 40h, 42h, 44h, 46h:
43, 45, 47: latching pins 48a, 48b, 49a, 49b:
48c, 49c: Hinge shafts 50, 52, 54, 56:
51, 53, 55, 57: bottom adhesion portion 53h, 55h:
51g, 53g, 55g, 57g: grooves 60,61,62,63,64,65,66,67:
60h, 61h, 62h, 63h: pin holes 70, 72, 74, 76:
71, 73, 75, 77: connection hole 80, 90: diagonal brace
81, 82, 91, 92: Rods 81a, 91a:
82a, 92a: Right screw portion 83, 93: Hexagon nut
83h, 93h: screw holes 84, 85, 94, 95: clevis portion
86, 87, 96, 97: Vertical pin 100, 110, 120:
102, 104, 112, 114, 122, 124:
106, 108, 116, 118, 126, 128:
200, 202, 204, 206: rubber template 300, 400:
410: Traction ring

Claims (3)

S2, S3, and S4 are formed between the side molds 30, 32, 34, and 36 of the front, rear, left, and right sides of the slab mold 20, The hinge plates 40, 42, 44 and 46 coupled to the lower end portions of the side molds 30, 32, 34 and 36 are fixed to the slab mold 20 and the side molds 30 and 32 S2, S3 and S4 with the corner mold plates 50, 52, 54 and 56 adhered to the inner surface of the hinge plate 34 and 36, 55 and 57 of the "L" -shaped end face which are in close contact with the slab formers 20, 40, 42, 44, 46 and the slab formwork 20 are placed on the corner mold plates 50, And the hinge plates 40, 42, 44, and 46 are formed at the lower ends of the side plates 30, 32, 34, and 36, The grooves 51g, 53g, 55g and 57g which come into close contact with the corners of the corrugated plates 50, 52, 54 and 56 and the bottom close contact portion 51 53, 55, and 57, and is formed along the upper ends of the side molds 30, 32, 34, and 36 and the corner moldings 50, 52, 54, The upper reinforcing portions 60, 61, 6 72, 74, and 56 are formed at the inner corner portions of the corner mold plates 50, 52, 54, and 56, respectively, And a pair of corner corner molds 50 and 52 which intersect diagonally at opposite ends of the diagonal brace 80 and 90 in a crosswise fashion in an "X" shape, The side plates 30, 32, 34 and 36 which are opposed to each other on the front, rear, left and right sides are connected to the reinforcing plates 70, 72, 74 and 76 of the tension wires 54 The pin holes 60h and 61h formed in the upper reinforcing portions 60, 61, 62 and 63 of the side molds 30, 32, 34 and 36, The wire fixing pins 102, 104, 112, 114, 122 and 124 inserted into and engaged with the tension wires 100, 110 and 120 are installed at both ends of the tension wires 100, A folding inner formwork for construction. The method as claimed in claim 1, wherein the corner spacers (S1, S2, S3, S4) are flush with the outer surfaces of the side plates (30, 32, 34, 36) 202, 204 and 206 which are in close contact with the inner surface of the corner molds 50, 52, 54 and 56, Form. The method according to claim 1 or 2, characterized in that stepped jaws (300) (400) are formed on the side molds (30), (32), (34), and (36) , And a pulling ring (410) is provided on a jaw (400) formed on the corner mold plates (50), (52), (54) and (56).

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