JP3072075U - Fixture for concrete template - Google Patents

Abstract

(57) [Problem] To provide a concrete-type plate fixing device that can fix a frame plate at various positions, can reduce cost, and does not require fixing and removing. SOLUTION: A U-shaped fixing metal fitting 3 having a screw hole 35 on one side for screwing a fixing screw 36 for fixing to a steel frame member F is provided. A screw hole 34 is provided, and the support fitting 4 has an end member 45 at one end.
A bolt insertion hole 48 is provided in the end member, and a large hole 46 is provided in the vicinity of an end 47 of the elongated hole 44 of the support fitting 4 on the end member 45 side.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a fixture for a concrete template, and more particularly, to a fixture for a concrete template which can be applied to fix templates installed at various positions for forming floors, verandas, stairs, and the like. About.

[0002]

[Prior art]

 Conventionally, when forming a concrete structure in construction work, a formwork has been used. Various metal fittings are known for fixing a formwork forming a concrete for a floor of a steel building. For example, a support tool comprising a U-shaped metal fitting that can be fitted into the outer edge of an upper flange of a steel frame, and a support metal fitting that supports and fixes a template integrated therewith. The support for the concrete casting frame plate is provided on the upper side of the U-shaped member which can be fitted to the outer edge of the upper flange of the steel frame. A pressing fixture that is removably attached to the edge is provided, and a strip-shaped frame plate supporting piece is erected at the front end of the upper side of the U-shaped member. A long hole is formed, and a connecting shaft projecting horizontally from the frame plate holding piece is inserted into the vertical hole, and the frame plate holding piece is inserted through the connecting shaft into the frame plate supporting piece side. The connecting shaft is provided with a delivery fixing tool for detachably holding the frame plate sandwiched between the frame plate and the frame plate interposed between the frame plate supporting pieces.

[0003]

[Problems to be solved by the invention]

 By the way, the support member for the concrete casting frame plate is formed by integrating the U-shaped member and the frame plate support piece and fixing the U-shaped member to the end of the upper flange. The frame had to be retracted from the end and the frame could not be fixed along the end. In addition, since they are integrated, the weight is increased and they are easily deformed, and when they are replaced, they have to be completely replaced, which increases the cost. In addition, it was time-consuming to remove the clamping pieces such as wing nuts from the screws when removing the frame plate sandwiching pieces.

The present invention has been made in order to solve the above-mentioned problems, and it is possible to fix a frame plate at various positions, reduce costs, and fix and remove a concrete-type plate. The purpose of the present invention is to provide a fixing device.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, according to the present invention, there is provided a concrete plate fixing device according to claim 1, wherein an elongated hole is provided along a longitudinal direction at a connecting portion of a member having a U-shaped cross section. And a clamping member attached to the elongated hole of the supporting bracket to clamp the template, wherein the fixing bracket comprises a supporting member for supporting the mold frame, and a clamping member for clamping the template. Is characterized in that the edge of the side is formed in an arc shape.

Accordingly, in the fixing device of the concrete template according to the present invention, it is not necessary to remove the clamping member from the template only by loosening the screw. It can be stored and transported as it is, reducing the trouble of fixing and removing, reducing the loss of fixture parts and reducing costs. Furthermore, the frame plate can be fixed at various positions, and can be used in many usages.

[0007] The fixing device for a concrete mold plate according to the second aspect is the fixing device according to the first aspect, wherein a screw hole for screwing a fixing screw for fixing to the steel frame member is provided on one side. A fixing metal fitting having a U-shape is provided, the fixing metal fitting is provided with a screw hole at a connecting portion, the support metal fitting is provided with an end member at one end, and a bolt insertion hole is provided at the end member. A large hole is provided in the vicinity of the end on the end member side of the elongated hole of the support fitting. The concrete template fixing device according to the second aspect of the present invention can be detached from the concrete simply by turning the fixing member buried in the concrete by applying a lateral impact to the fixing member. Since it is not necessary to divide the concrete, it is possible to perform a good concrete hit.

[0008] A fixing tool for a concrete template according to claim 3 is a U-shaped fixing metal fitting having a screw hole on one side for screwing a fixing screw for fixing to a steel frame member, A supporting member for supporting a formwork having a long hole formed in a connecting portion of a U-shaped member along the longitudinal direction at a connecting portion of a U-shaped member, and a clamping member attached to the supporting member for clamping a template; A fixing tool for a concrete mold plate, comprising: a screw hole provided in a connecting portion of the fixing metal member; an edge of the other side is formed in an arc shape; and one end side of the supporting metal member. A connecting metal receiving member is provided on the connecting member, a bolt inserting hole is provided in the connecting metal receiving member, and a large hole is provided near an end of the elongated hole on the side of the connecting metal receiving member.

[0009]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIGS. 1 and 2 show a concrete plate fixing device according to an embodiment of the present invention. FIG. 1 is a perspective view of a fixture for a concrete template, and FIG. 2 is a sectional view showing a state of use of the fixture for a concrete template.

The fixture 2 of the concrete template 1 of the present invention includes a U-shaped fixing metal fitting 3 fixed to the steel frame F, a groove-shaped supporting metal fitting 4 having a U-shaped cross section. And a holding member 5 attached to the support fitting 4 to hold the template 1. The support fitting 4 is fixed to the fixing fitting 3 via the fixing fitting 6.

The fixing fitting 3 has a U-shape formed by a connecting portion 31 and one side 32 and the other side 33 which stand upright from both ends thereof. The connecting portion 31 is provided with a screw hole 34, A screw hole 35 is provided in the side 32. A fixing bolt 36 is screwed into the screw hole 35 to be fixed to the steel frame member F. The edge of the other side 33 of the fixing bracket 3 is formed in an arc shape. Even if the side 33 is buried in the concrete, the fixing bolt 36 is loosened and the edge of the connecting portion 31 is removed with a hammer or the like. By tapping the surface so that it can be rotated, it can be easily rotated, so that the amount of concrete to be broken is small and it can be easily removed.

The supporting member 4 is formed in a U-shaped groove shape in cross section from the connecting portion 41 and one side 42 and the other side 43 standing upright from both ends thereof. A long hole 44 is provided at one end, and an end member 45 is provided at one end. A large hole 46 is provided near the end of the elongated hole 44 on the side of the end member 45. The slot 44 can be fastened with a hexagon nut, a wing nut or the like at an appropriate position by sliding a bolt. The large hole portion 46 is sized to allow a hexagon nut, a wing nut, and the like to pass therethrough. The end member 45 is fixed vertically to one longitudinal end of the support fitting 4 so as to close the end, and a bolt insertion hole 48 is provided at the center, so that the support fitting 4 can be fixed with bolts from an upright direction. Like that.

The holding member 5 is a member for holding the template together with the support fitting 4. An L-shaped member 51 and a bolt 54 are externally inserted into a hole formed in one side 52 of the L-shaped member 51. The bolt head is welded by inserting the bolt head upright on one side 52. A bolt 54 is inserted into the elongated hole 44 of the support fitting 4, a nut 55 is screwed into the bolt 54, and the holding member 5 is slid along the elongated hole 44 so that the size of the template can be adjusted. I have. The surface of the template is supported by the connecting portion 41 of the support fitting 4, the upper edge thereof is sandwiched by one side 52 of the sandwiching member 5, and the nut 55 is clamped so as not to come off.

The fixing metal member 6 is a member for fixing the supporting metal member 4 to the fixing metal member 3. The fixing metal member 6 is used when the concrete is retracted from the floor end face and the concrete is cast. The other side 62 is provided with bolt insertion holes 64 and 64a. The bolt 65 is inserted through the bolt insertion hole 64 or 64a, and is screwed into the screw hole 34 of the fixing metal member 3 and fastened to fix the fixing metal member 6 to the fixing metal member 3. An end member 45 is supported on one side 61, a bolt 66 is inserted into a bolt insertion opening 48 of the end member 45, and the bolt 66 is screwed into the screw hole 63 and tightened to take the support bracket 4 and the fixing bracket 6. Attach. In this way, the support fitting 4 is attached to the fixing fitting 3 via the fixing fitting 6. To attach the fixing bracket 3 to the steel frame F, a flange of the steel frame is sandwiched between the two sides 32 and 33 of the fixing bracket 3, and the bolt 36 is tightened to be fixed to the flange of the steel frame F with the side 33 and the bolt 36. .

To assemble the fixture 2, the flange of the steel frame F is sandwiched between the two sides 32 and 33 of the fixing bracket 3, and the bolt 36 is tightened to fix the flange to the steel frame with the other side 33 and the bolt 36. I do. Further, the bolt 65 is inserted into the bolt insertion hole 64 of the fixing bracket 6, and the bolt 65 is screwed into the screw hole 34 of the fixing bracket 3 and tightened to assemble the fixing bracket 3 and the fixing bracket 6. Further, the end member 45 is supported on one side 61 of the fixing bracket 6, the bolt insertion port 48 of the end member 45 is aligned with the screw hole 63 of the one side 61, and the bolt 66 is tightened to fix the support member 4. Is attached to the fixing bracket 6.

To fix the template 1, the bolt 54 of the clamping member 5 is inserted into the elongated hole 44 of the support fitting 4, a nut 55 is screwed onto the bolt 54, and the clamping member is moved along the elongated hole 44. 5 is raised to the upper edge of the template 1 by sliding, and the upper edge of the template is sandwiched between the one side 52 and the connecting portion 41 of the support bracket 4, and the nut 55 is clamped so as not to come off. I do. After assembling the template, the concrete is poured to form the floor of the room and the floor of the veranda.

After curing the concrete, to remove the template, loosen the nut 55 of the clamping member 5 that clamps the template, and shift the clamping member 5 or remove the support fitting 4. The fixing bolts 66 are removed, and the support bracket 4 is removed. At this time, even if the nut 55 of the holding member 5 is loosened without being removed, and the end of the supporting member 4 is transported while being attached to the supporting member 4, the holding member 4 remains in the elongated hole 44. It doesn't stop at the end of the. Therefore, there is no risk of loss, the handling is convenient, and the labor for assembling can be shortened.

In order to remove the fixing bracket 3, the bolt 36 fixed to the steel frame is loosened, and a lateral impact is applied by hitting with a hammer or the like. Then, since the edge of the side 33 is formed in an arc shape and the corner is dropped, there is little biting into the concrete, so that it turns easily and the fixing metal fitting 3 is easily removed from the concrete. be able to.

Since the concrete plate fixing device of the present invention is configured as described above, it can be changed in distance from the end face, and can be provided with a step up and down. In addition to fixing the frame plate at the position, the cost can be reduced by reducing wear, and the trouble of fixing and removing can be reduced.

The present invention is not limited to the above embodiment, and can be changed without departing from the spirit of the present invention. In the above description, an example has been described in which the support fitting is attached to the fixing fitting by the fixing fitting, but the support fitting may be directly attached to the fixing fitting. By doing so, the concrete can be cast from the end face to the face withdrawn from the end face by the thickness of the connecting portion between the template and the fixing fitting, and the mortar coating allowance can be reduced. Alternatively, a template may be placed on the concrete surface using a plastic computer. Further, a support fitting may be used as shown in FIG.

In the method of using the fixture of the concrete type plate shown in FIG. 3, the portions having the same functions as those in FIGS. 1 and 2 are denoted by the same reference numerals, and detailed description is omitted. This fixture for the concrete template is used when the concrete is to be retracted from the end face and cast concrete. Two fixing members 4 and 4 are used as fixing members for the template, and the bolt insertion opening 64a of the fixing member 6 for fixing one of the supporting members 4 has an appropriate position so that the bolt 65 can be inserted near the end. It is provided in. By combining the support fittings 4 in this manner, it is possible to form a floor surface that is recessed from the outer surface of the steel frame F by 40 to 400 mm.

As another example, a fixing device 12 shown in FIGS. 4 and 5 includes a fixing metal member 3, a support metal member 14 having a U-shaped cross section, and a mold attached to the support metal member 14. The supporting member 14 is fixed to the fixing metal member 3 via the connecting metal member 7, the connecting metal member 8, and the fixing metal member 6. In FIG. 4 and FIG. 5, parts having the same functions as those of the fixture 2 shown in FIG. 1 and FIG.

The supporting bracket 14 of the fixture 12 is formed in a U-shaped groove shape with a U-shaped cross section from the connecting portion 41 and both sides 43, 43 standing upright from both ends thereof. A hole 44 is provided, one end of both sides 43, 43 is cut out to form a notch 43a, and a connection fitting receiving member 7 is provided at one end. The connection fitting receiving member 7 is formed in a Z-shape, one end 71 is welded to the support fitting 14, and an insertion opening 73 is formed by the other end 72 and the notch 43 a. A screw hole 74 for screwing a bolt is formed in the other end 72, and the connection fitting 8 is received in the insertion opening 73.

The connection fitting 8 has an L-shape, and one side is formed wider than the connection part 41, and a bolt insertion opening 82 is provided on the other side. Then, one side is inserted into an insertion opening 73 formed by the support fitting 14 and the connecting fitting receiving member 7, and a thumb screw 83 is screwed into a screw hole 74 for screwing a bolt of the connecting fitting receiving member 7, The connection fitting 8 and the support fitting 14 are fixed by tightening. The connecting fitting 8 and the fixing fitting 6 are fixed by aligning the bolt insertion opening 82 with the screw hole 63, inserting the bolt through the bolt insertion opening 82, and screwing the bolt 84 into the screw hole 63.

As described above, the connection between the fixing metal member 3 and the fixing metal member 6 is performed by inserting the bolt 65 into the bolt insertion hole 64 of the fixing metal member 6 and screwing the bolt 65 into the screw hole 34 of the fixing metal member 3. And tightening. The fixing bracket 3 and the steel frame F are fixed by screwing the bolt 36 into the screw hole 35 and tightening.

Further, as shown in FIG. 6, a support 14 can be attached to the ALC receiving angle G to increase soundproofing and durability against earthquakes. In the example shown in FIG. 6, parts having the same functions as those described above are denoted by the same reference numerals, and detailed description is omitted. The fixture 2 of the concrete mold plate shown in FIG. 6 has the fixing metal 3 attached to the ALC receiving angle G, the connecting metal 8 fixed to the fixing metal 3, and the support 14 fixed to the connecting metal 8. ing. In the above description, it is provided separately from the bolt insertion ports 64 and 64a, but may be provided as one elongated hole.

Also, a projecting member is fixed to a fixing bracket so that the concrete can be cast 10 cm or 50 cm outward from the end face of the steel frame, and the fixing bracket is attached to the outside of the upper flange or the lower flange of the steel frame. You may make it fit and fix it to an edge part. In this case, if the arc-shaped portion of the fixing metal fitting is installed so as to be buried in the concrete, the metal fitting can be easily removed and damage to the concrete can be reduced.

[0028]

[Effect of the invention]

 Since the concrete plate fixing device of the present invention is configured as described above, the frame plate can be fixed at various positions, the cost can be reduced, and the trouble of fixing and removing can be reduced. . The fixing bracket is buried in the concrete, but the portion is formed in an arc shape, so that the concrete is hardly damaged and the mold can be removed.

According to the first aspect of the present invention, when the fixture is handled, the fixture can be transported without removing the bolt, so that the labor for assembling and removing the mold can be reduced, and the loss of parts can be reduced.

According to the invention of claim 2, the fixing device for a concrete template according to claim 2, which is configured as described above, applies a lateral impact to the fixing metal buried in the concrete. Simply turning it can be removed from the concrete, and it is not necessary to split the concrete in particular, so good concrete hitting can be achieved. According to the third aspect of the present invention, the fixture for the concrete template can be easily removed by easily displacing the support metal when removing the mold, and the template can be easily separated from the concrete. Moreover, since the fixture can be transported without removing the bolts when handling the fixture, assembly and removal of the mold can be reduced, and the loss of parts can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a fixing member for a concrete template according to the present invention.

FIG. 2 is a cross-sectional view showing an example in which a concrete is cast using the above-mentioned fixing bracket.

FIG. 3 is a cross-sectional view showing an example in which a concrete is cast by using another example of a fixture.

FIG. 4 is a perspective view showing still another example of the fixing member of the concrete template according to the present invention.

FIG. 5 is a cross-sectional view showing an example in which a concrete is cast using the above-mentioned fixing bracket.

FIG. 6 is a cross-sectional view showing an example in which a concrete is cast by using another example of a fixture.

[Explanation of symbols]

1: Template 2: Fixture
3: Fixing metal fittings 4, 14: Support metal fittings 5: Clamping member
6: Fixing bracket 7: Connection bracket receiving member 8: Connection bracket 1
2: Fixture 45: End member 46: Large hole 4
3a: Notch 73: Opening F: Steel frame (beam) G: ALC receiving angle

Claims (3)

[Utility model registration claims] 1. A supporting member for supporting a form having a long hole formed along a longitudinal direction in a connecting portion of a U-shaped member having a cross-sectional shape, and a template attached to the long hole of the supporting member. A fixing member for a concrete mold plate comprising a holding member for holding the fixing member, wherein an edge of the other side of the fixing metal member is formed in an arc shape. Board fixture. 2. A U-shaped fixing bracket having a screw hole on one side for screwing a fixing screw for fixing to a steel frame member, wherein the fixing bracket has a screw hole in a connecting portion. An end member is provided at one end of the support bracket, a bolt insertion hole is provided at the end member, and a large hole is provided near an end of the elongated hole of the support bracket near the end member. Item 2. A fixture for a concrete template according to Item 1. 3. A U-shaped fixing bracket having a screw hole on one side for screwing a fixing screw for fixing to a steel frame member, and a connecting portion of the U-shaped member having a cross-sectional shape of a U-shape. A fixture for a concrete template, comprising: a support fitting for supporting a mold having a slot formed along a longitudinal direction thereof; and a clamping member attached to the support fitting for clamping a template. The fixing bracket is provided with a screw hole in a connecting portion, the edge of the other side is formed in an arc shape, a connecting metal receiving member is provided on one end side of the supporting metal, and the connecting metal receiving member is provided. A fastener for a concrete mold plate, wherein a bolt insertion hole is provided, and a large hole is provided near an end of the elongated hole on the side of the connection fitting receiving member.