Outer formwork fixing device

Abstract

The utility model belongs to the field of building construction, and discloses an outer formwork fixing device which comprises a plurality of heat preservation plates which are fixed in an inserted mode, opposite-pull screws are installed in the middles of the heat preservation plates and distributed in a rectangular array mode, the outer surface of each heat preservation plate is provided with a wood formwork which is horizontally arranged, and the outer surface of each heat preservation plate is provided with an outer formwork. The two opposite-pull screw rods are vertically arranged and distributed between the upper layer and the lower layer, pressing keels are arranged on the surface of the wood formwork, the pressing keels are vertically arranged and connected with the opposite-pull screw rods in an up-and-down mode, and locking assemblies are installed on the opposite-pull screw rods. According to the outer formwork fixing device, due to the fact that the wood formworks are independently and horizontally placed between the opposite-pull screw rods on each layer, material loss caused by multiple times of mounting and dismounting after the formworks are punched is avoided, and meanwhile the construction speed is increased; the pressing keels are vertically arranged and connected with the opposite-pull screws up and down, the pressing keels and the wood formwork are crossed and fixed, and the stress uniformity is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of building construction, in particular, relate to a external formwork fixing device. BACKGROUND

[0002] In the construction process of the cast-in-situ concrete large module built-in thermal insulation system in the thermal insulation structure integrated system, the external wall formwork becomes the role of reinforcing the thermal insulation board and ensuring the reinforcement of the formwork system, the traditional external formwork reinforcement method is to drill holes in the place where the opposite pull screw needs to be passed, and then the opposite pull screw is passed through the hole in the inner wall and the hole in the outer wall to reinforce it. This method has the problems of slow construction speed of the large module built-in thermal insulation board, complex original process on site, material loss caused by multiple installation and disassembly of the formwork after punching, and low construction efficiency and impact on construction progress caused by the fact that the wall screw cannot be accurately inserted with the naked eye due to the obstruction of the thermal insulation board during the construction process. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing an external formwork fixing device to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] An external formwork fixing device comprises a plurality of thermal insulation boards fixed by mutual insertion, a pair of opposite pull screws installed in the middle of the thermal insulation board, a wooden formwork arranged on the outer surface of the thermal insulation board, the wooden formwork being horizontally arranged and distributed between the upper and lower pair of opposite pull screws, a pressing keel arranged on the surface of the wooden formwork, the pressing keel being vertically arranged and connected with the upper and lower pair of opposite pull screws, and a locking assembly installed on the opposite pull screw.

[0006] Further, two through holes are symmetrically arranged in the middle of the thermal insulation board to facilitate the fixation of the opposite pull screw through the thermal insulation board.

[0007] Further, a limiting boss is arranged on each of the two vertical adjacent sides of the thermal insulation board, and a limiting groove is arranged on the corresponding two sides to ensure the mutual insertion and splicing of the thermal insulation boards.

[0008] Further, a plurality of quick insertion grooves are uniformly distributed on the pressing keel to improve the speed and convenience of disassembly and assembly.

[0009] Further, the quick insertion groove is L-shaped, which facilitates the disassembly and assembly of the opposite pull screw through the side surface of the pressing keel.

[0010] Further, the locking assembly comprises a pressing plate and a butterfly buckle, the opposite pull screw passes through the pressing plate, and the butterfly buckle is threadedly connected with the opposite pull screw, so as to ensure that the butterfly buckle is screwed along the opposite pull screw and the pressing plate is used to press and fix the pressing keel.

[0011] Further: the pressing plate is disc-shaped, ensuring uniformity of stress.

[0012] Compared with the prior art, the beneficial effects are:

[0013] 1. By independently horizontally placing the wood formwork between the setting of the opposite-pulling screw rods on each layer, material loss caused by multiple installation and disassembly after punching the formwork is avoided, and the construction speed is accelerated;

[0014] 2. By vertically arranging the pressing keels and connecting the opposite-pulling screw rods, the wood formwork is fixed, and the uniformity of stress is ensured;

[0015] 3. By inserting the opposite-pulling screw rods between the pressing keels through the quick insertion slots, the speed of disassembling the pressing keels is accelerated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the outer formwork fixing device of the utility model;

[0017] Figure 2 is a top view of the insulation board of the outer formwork fixing device of the utility model;

[0018] Figure 3 is a bottom view of the insulation board of the outer formwork fixing device of the utility model;

[0019] Figure 4 is a schematic view of the arrangement of the wood formwork and the pressing keel of the outer formwork fixing device of the utility model;

[0020] Figure 5 is a schematic view of the pressing keel of the outer formwork fixing device of the utility model.

[0021] In the figure, 101 is an insulation board, 102 is a through hole, 103 is a limiting boss, 104 is a limiting groove, 201 is a wood formwork, 202 is a pressing keel, 203 is an opposite-pulling screw rod, 204 is a pressing plate, 205 is a butterfly buckle, and 206 is a quick insertion slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-5The utility model provides an outer form plate fixing device, including a plurality of mutually inserted fixed heat preservation board 101, the heat preservation board 101 middle installation has the pull screw 203, the pull screw 203 is rectangular array distribution, still including the heat preservation board 101 outer surface is provided with wood form plate 201, wood form plate 201 horizontal arrangement and is distributed between the upper and lower two layers of pull screw 203, wood form plate 201 surface is provided with press batten 202, press batten 202 vertical arrangement and connect pull screw 203 up and down, and pull screw 203 is installed with locking assembly.

[0024] Further: the heat preservation board 101 middle symmetry is provided with two through -hole 102, and the pull screw 203 is convenient for passing through the heat preservation board 101 fixedly, the heat preservation board 101 vertical adjacent two side edges are provided with limiting boss 103 respectively, and limiting recess 104 is provided with two side edges respectively, guarantee that the heat preservation board 101 mutually inserts and splices, press batten 202 is evenly distributed with a plurality of quick insertion slot 206, improves the speed and convenience of dismounting, and quick insertion slot 206 is L-shaped, and it is convenient for pull screw 203 to pass through press batten 202 side dismounting, and locking assembly includes pressing plate 204 and butterfly buckle 205, and pull screw 203 passes through pressing plate 204, and is connected with butterfly buckle 205 screw thread, guarantees that butterfly buckle 205 is screwed along pull screw 203, and press batten 202 is fixedly pressed through pressing plate 204, and pressing plate 204 is disc-shaped, guarantees the uniformity of force.

[0025] Working principle: first through limiting boss 103 is inserted into limiting recess 104, and the heat preservation board 101 is assembled together, and then the pull screw 203 passes through the through -hole 102 and passes through the heat preservation board 101, and then the wood form plate 201 is horizontally placed between each layer of pull screw 203, covers the heat preservation board 101, then press batten 202 is inserted into the pull screw 203 between the side plate through quick insertion slot 206, forms the connection, finally, pressing plate 204 is inserted into pull screw 203, and butterfly buckle 205 is screwed along pull screw 203, so that pressing plate 204 is pressed tightly press batten 202 and wood form plate 201 fixed.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An external template fixing device, comprising a plurality of interlocking and fixed insulation boards (101), wherein a tie rod (203) is installed in the middle of the insulation board (101), and the tie rod (203) is distributed in a rectangular array, characterized in that: It also includes a wooden template (201) on the outer surface of the insulation board (101), the wooden template (201) being horizontally arranged and distributed between the upper and lower layers of the tie rods (203), the surface of the wooden template (201) being provided with a pressing keel (202), the pressing keel (202) being vertically arranged and connected to the tie rods (203) at the top and bottom, and a locking component being installed on the tie rods (203).

2. The external template fixing device according to claim 1, characterized in that: The insulation board (101) has two through holes (102) symmetrically arranged in the middle.

3. The external template fixing device according to claim 2, characterized in that: The insulation board (101) has a limiting boss (103) on each of its vertically adjacent sides, and a limiting groove (104) on each of its corresponding sides.

4. The external template fixing device according to claim 1, characterized in that: The pressing keel (202) has several quick slots (206) evenly distributed on it.

5. The external template fixing device according to claim 4, characterized in that: The quick slot (206) is L-shaped.

6. The external template fixing device according to claim 1, characterized in that: The locking assembly includes a pressure plate (204) and a butterfly buckle (205), and the pull screw (203) passes through the pressure plate (204) and is threadedly connected to the butterfly buckle (205).

7. The external template fixing device according to claim 6, characterized in that: The pressure plate (204) is disc-shaped.

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