Screw connection non-dismantling thermal insulation wall formwork

By rapidly assembling and connecting prefabricated external and internal insulation templates, the problems of high construction costs, long construction cycles, and easy detachment of insulation layers in existing concrete shear wall insulation technologies are solved, achieving an efficient and economical construction process and a lifespan connection between the insulation layer and the wall.

CN223577391UActive Publication Date: 2025-11-21BEIJING MAYA TECH CO LTD
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Patent Information

Application Number
CN202421608708.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-11-21
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

Existing concrete shear wall insulation technology has problems such as high construction cost, long construction period, easy detachment of insulation layer, high-altitude operation hazards and wet construction waste.

Method used

Prefabricated external insulation templates, prefabricated internal templates, and connecting components are used. The templates are quickly assembled using stud connecting rods and sleeve connectors to form a wall forming cavity. Concrete is then poured to form a concrete shear wall, integrating the insulation layer with the wall and eliminating the need for pasting, wire mesh, and plastering processes.

Benefits of technology

It reduces labor and material costs, improves construction efficiency, ensures the insulation layer has the same lifespan as the wall, reduces high-altitude work and on-site wet work, and prevents the insulation layer from falling off.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a screw connection non-dismantling thermal insulation wall formwork which comprises a prefabricated outer thermal insulation formwork, a prefabricated inner formwork and a connecting assembly, the prefabricated outer thermal insulation formwork and the prefabricated inner formwork are connected in a screwed mode through the connecting assembly to form a module unit, and a plurality of module units can be quickly assembled in the horizontal direction and the vertical direction to form a wall forming cavity. Reinforcing steel bars are bound in the cavity, and concrete is poured to form a cast-in-place concrete shear wall; the prefabricated outer heat preservation formwork comprises an outer heat preservation formwork mortar layer body, an outer steel wire mesh, a heat preservation plate layer and a plurality of first embedded parts arranged in a matrix mode, and the prefabricated inner formwork comprises an inner formwork mortar layer body, an inner steel wire mesh and a plurality of second embedded parts arranged in a matrix mode. And splicing rabbets are arranged on four sides of the external thermal insulation template mortar layer body and the inner side template mortar layer body. All the components of the heat-insulating structure can be prefabricated in factories, the processes of formwork erecting, formwork dismounting and on-site plastering are reduced during construction, the construction efficiency is improved, the construction cost is reduced, the durability of the heat-insulating layer is good, and meanwhile the heat-insulating property of a building is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building material technical field especially a screw rod connection dismounting -free thermal insulation wall body template. BACKGROUND

[0002] In order to reduce building energy consumption, building thermal insulation strictly executes building energy saving technical standard, and the existing concrete shear wall thermal insulation technology usually adopts the mode that first pours wall body and then pastes thermal insulation, that is, first places inner and outer formworks and support system, is connected by the pull screw rod between formwork, pours concrete in the cavity formed between inner and outer formworks, when concrete reaches the form removal strength, removes the pull screw rod, inner and outer formworks and support system, and the hole left by the pull screw rod on the wall body needs to be filled, and the wall body needs to be plastered and leveled before pasting the thermal insulation layer, and the outer side of the thermal insulation layer also needs to be hung and plastered before carrying out the outer wall finishing layer operation.

[0003] The construction mode has high labor cost and material cost, long construction period, and the thermal insulation layer is easy to fall off, and the construction process needs to set up a scaffold, and there are high-altitude operation hidden dangers and on-site wet operation garbage, therefore, it is necessary to provide a screw rod connection dismounting-free thermal insulation wall body template to solve the above technical problems. UTILITY MODEL CONTENTS

[0004] The utility model provides a screw rod connection dismounting-free thermal insulation wall body template, which is used for solving the problems of the existing concrete shear wall thermal insulation technology, and is free of formwork before pouring the wall body and free of form removal after pouring, adopts the mode of prepositioning the thermal insulation layer to eliminate the pasting process, and the outer side of the thermal insulation layer does not need to be hung and plastered, but can directly perform the finishing layer operation on the flat formwork surface, the thermal insulation layer is firmly connected with the wall body and does not fall off, so that the thermal insulation layer has the same service life as the wall body, the labor cost and material cost are reduced, the high-altitude operation and on-site wet operation are reduced, and the construction efficiency is improved.

[0005] The utility model solves the technical problems by adopting the following technical scheme:

[0006] A screw-connected, non-removable thermal insulation wall template, characterized in that it comprises a prefabricated external thermal insulation template, a prefabricated internal template, and a connecting assembly; the prefabricated external thermal insulation template includes a mortar layer body, an outer wire mesh, a thermal insulation board layer, and several first embedded parts arranged in a matrix; the prefabricated internal template includes a mortar layer body, an inner wire mesh, and several second embedded parts arranged in a matrix; the connecting assembly includes a stud connecting rod and a sleeve connecting member; the connecting ends of the first embedded parts in the prefabricated external thermal insulation template and the connecting ends of the second embedded parts in the prefabricated internal template are connected by the connecting assembly, forming a modular unit; several modular units can be quickly assembled in the horizontal and vertical directions to form a... The wall is formed by creating a cavity, and concrete is poured into the cavity to form a concrete shear wall. The first embedded part is embedded in the mortar layer of the precast external insulation template, and the inner side of the cylindrical body of the first embedded part connection end has an internally threaded cylindrical hole. The second embedded part is embedded in the mortar layer of the precast internal template, and the inner side of the cylindrical body of the second embedded part connection end has a smooth, unthreaded cylindrical hole, and the outer side has threads. The stud connecting rod is a cylindrical stud with threads on its outer surface. The sleeve connecting rod is composed of two cylinders of different diameters, and the inner side of the cylinder has coaxial internally threaded holes of two different diameters, which are used to connect the stud connecting rod and the second embedded part connection end.

[0007] In the above technical solution, the assembly process of the connecting component with the prefabricated external insulation template and the prefabricated internal template is as follows: First, screw one end of the stud connecting rod to the bottom end of the internal threaded cylindrical hole of the first embedded part connecting end; Second, screw the small diameter end of the sleeve connecting part into the free end of the stud connecting rod through the internal threaded hole; Third, insert the free end of the stud connecting rod into the bottom end of the unthreaded smooth cylindrical hole of the second embedded part connecting end; Fourth, screw the large diameter end of the sleeve connecting part to the bottom end of the external thread of the second embedded part connecting end through the internal threaded hole.

[0008] Furthermore, several first embedded parts are embedded in the mortar layer of the external insulation template, with the connecting ends exposed.

[0009] Furthermore, several second embedded parts are embedded in the inner formwork mortar layer, with the connecting ends exposed.

[0010] Furthermore, the embedded ends of the first embedded part and the embedded ends of the second embedded part are positioned in a matrix or quincunx arrangement within their respective mortar layers, and the two are in a one-to-one mirror symmetric relationship.

[0011] Furthermore, the prefabricated external insulation template mortar layer body is provided with splicing tongue and groove joints around its perimeter;

[0012] Furthermore, the precast inner template mortar layer body is provided with splicing tongue and groove around its perimeter;

[0013] Further, the thermal insulation plate layer is reserved with a through hole corresponding to the first embedded part connection end;

[0014] Further, the threaded rod connecting rod can adopt a metal threaded rod, and can also adopt a non-metal threaded rod, and the outer side of the column body can be provided with threads throughout, or only threads can be provided at both ends of the connecting position;

[0015] The prefabricated outer thermal insulation template, the prefabricated inner template, the connecting assembly and the inner and outer steel wire meshes can be prefabricated in a factory, the inner and outer templates can be quickly connected into a module unit through the connecting assembly, and the module unit can be quickly assembled in the horizontal and vertical directions; the bracing, the formwork dismantling and the site plastering process are reduced during construction, the labor cost and the material cost are reduced, and therefore the construction efficiency is improved; the thermal insulation layer is firmly connected with the wall body and is not easy to fall off; and the spliced rabbet can reduce the mortar leakage during pouring. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further explained in connection with the drawings and examples.

[0017] Figure 1 It is a module unit cross section structure schematic view of the utility model.

[0018] Figure 2 It is a module unit axial side schematic view of the utility model.

[0019] Figure 3 It is a connecting assembly structure schematic view of the utility model.

[0020] Figure 4 It is a prefabricated outer thermal insulation template front view of the utility model.

[0021] Figure 5 It is a prefabricated inner template front view of the utility model.

[0022] Figure 6 It is a module unit horizontal assembly cross section structure schematic view of the utility model.

[0023] Figure 7 It is a module unit vertical assembly cross section structure schematic view of the utility model.

[0024] Figure 8 It is a first embedded part, a second embedded part and a connecting assembly connection schematic view of the utility model

[0025] Corresponding component name in the figure is: 1. prefabricated external thermal insulation formwork, 2. prefabricated internal formwork, 3. connecting assembly, 1-1. external thermal insulation formwork mortar layer body, 1-2. outer steel mesh, 1-3. thermal insulation board layer, 1-4. first embedded part, 1-40. first embedded part embedded end, 1-41. first embedded part connecting end, 2-1. internal formwork mortar layer body, 2-2. inner steel mesh, 2-3 second embedded part, 2-30. second embedded part embedded end, 2-31. second embedded part connecting end, 3-1. stud connecting rod, 3-2. sleeve connecting piece, 4. wall forming cavity, 5. spliced rebate, 6. through hole. DETAILED DESCRIPTION

[0026] Please refer to Figures 1 to 8 As shown in the figure, the utility model provides a screw rod connection disassembly-free thermal insulation wall formwork, including prefabricated external thermal insulation formwork 1, prefabricated internal formwork 2, connecting assembly 3, prefabricated external thermal insulation formwork 1 including external thermal insulation formwork mortar layer body 1-1, outer steel mesh 1-2, thermal insulation board layer 1-3 and first embedded part 1-4, prefabricated internal formwork 2 including internal formwork mortar layer body 2-1, inner steel mesh 2-2 and second embedded part 2-3, connecting assembly 3 including stud connecting rod 3-1, sleeve connecting piece 3-2, a plurality of first embedded part embedded ends 1-40 are embedded in external thermal insulation formwork mortar layer body 1-1, and the embedded parts are arranged in matrix, a plurality of second embedded part embedded ends 2-30 are embedded in internal formwork mortar layer body 2-2, and the embedded parts are arranged in matrix, the four edges of external thermal insulation formwork mortar layer body 1-1 and internal formwork mortar layer body 2-1 are all equipped with spliced rebate 5, and thermal insulation board layer 1-3 is left with a plurality of through holes 6 corresponding to the number and position of first embedded part 1-4.

[0027] The utility model discloses a prefabricated external thermal insulation form 1, which comprises a first embedded part, a second embedded part, a sleeve connecting piece, a stud connecting rod and a plurality of connecting components 3, wherein the first embedded part is provided with a threaded cylindrical hole bottom end and a threaded cylindrical hole bottom end, the second embedded part is provided with a threaded cylindrical hole bottom end and a smooth cylindrical hole bottom end, the sleeve connecting piece is provided with a small diameter end and a large diameter end, the stud connecting rod is provided with a threaded cylindrical hole bottom end and a threaded cylindrical hole bottom end, and the connecting component 3 is provided with a stud connecting rod and a sleeve connecting piece.

[0028] The above-mentioned embodiments are only the preferred embodiments of the utility model, and do not limit the utility model in any form. Any skilled person in the art can make any simple modification, equivalent change and modification to the utility model technical scheme by using the above-mentioned disclosed method content without departing from the scope of the utility model technical scheme, and the modification, equivalent change and modification all belong to the scope of the utility model technical scheme.

Claims

1. A screw connection disassembly-free thermal insulation wall formwork, characterized in that: The application relates to a prefabricated outer thermal insulation template, a prefabricated inner template and a connecting assembly, wherein the prefabricated outer thermal insulation template and the prefabricated inner template are connected through a plurality of matrix-arranged connecting assemblies to form a module unit; a plurality of module units can be quickly assembled in horizontal and vertical directions to form a wall forming cavity, and cast-in-situ concrete is poured in the cavity to form a cast-in-situ concrete shear wall; the prefabricated outer thermal insulation template comprises an outer thermal insulation template mortar layer body, an outer steel mesh, a thermal insulation plate layer and a plurality of matrix-arranged first embedded parts; the prefabricated inner template comprises an inner template mortar layer body, an inner steel mesh and a plurality of matrix-arranged second embedded parts; the outer thermal insulation template mortar layer body and the inner template mortar layer body are provided with spliced joints on four sides; the connecting assembly comprises a stud connecting rod and a sleeve connecting piece; the first embedded part is embedded in the outer thermal insulation template mortar layer body, and the connecting end of the first embedded part is exposed from the body; the inner side of the connecting end of the first embedded part is provided with an internally-threaded cylindrical hole; the second embedded part is embedded in the inner template mortar layer body, and the connecting end of the second embedded part is exposed from the body; the inner side of the connecting end of the second embedded part is provided with a smooth cylindrical hole without threads, and the outer side is provided with threads; the stud connecting rod is a cylindrical stud with threads on the outer surface; the sleeve connecting piece is composed of two cylindrical bodies with different diameters, and the inner side of the cylindrical body is provided with coaxial internally-threaded holes with large and small diameters for connecting the stud connecting rod and the connecting end of the second embedded part.

2. The screw connection disassembly-free thermal insulation wall formwork according to claim 1, characterized in that: The embedded ends of the first embedded parts and the embedded ends of the second embedded parts are arranged in a matrix or plum blossom shape in the respective mortar layer bodies and are in one-to-one mirror image symmetry.

3. The screw connection disassembly-free thermal insulation wall formwork according to claim 1, characterized in that: The thermal insulation plate layer is provided with through holes corresponding to the connecting ends of the first embedded parts.