CN219386738U

CN219386738U - Prefabricated sandwich heat preservation wallboard

Info

Publication number: CN219386738U
Application number: CN202320373499.5U
Authority: CN
Inventors: 朱伟明; 陈伟; 方斌; 孙国洪; 陈文杰; 李�杰
Original assignee: Zhejiang Jianke New Material Development Co ltd; Zhejiang Ruidinuo New Material Technology Co ltd; Zhejiang Academy Of Building Research & Design Ltd
Current assignee: Zhejiang Jianke New Material Development Co ltd; Zhejiang Ruidinuo New Material Technology Co ltd; Zhejiang Academy Of Building Research & Design Ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-07-21
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses a prefabricated sandwich heat-insulating wallboard, belongs to the technical field of assembled buildings, and aims to overcome the defect that the existing prefabricated sandwich heat-insulating wallboard cannot be used as a disassembly-free template for pouring a beam column on the premise of not damaging a surface decoration layer. The prefabricated sandwich heat preservation wallboard comprises an outer leaf plate, an inner leaf plate, a heat preservation plate and a drawknot piece, wherein outer longitudinal steel bars are arranged in the outer leaf plate, a plurality of embedded thread pieces perpendicular to the outer leaf plate are arranged at the left end, the right end and the upper end of the outer leaf plate, which extend out of the inner leaf plate, one end of each embedded thread piece is fixedly connected with the corresponding outer longitudinal steel bar, and threads are formed at the other end of each embedded thread piece and penetrate through the corresponding heat preservation plate. In the process of forming the pouring area, the embedded threaded piece is used for fixing the corresponding inner template, the outer blade plate is not required to be perforated, and when the facing layer is fixed on the outer side surface of the outer blade plate, the purpose that the prefabricated sandwich heat-insulating wallboard is used as a disassembly-free heat-insulating template for pouring a beam column is achieved under the condition that the facing layer is not damaged.

Description

Prefabricated sandwich heat preservation wallboard

Technical Field

The utility model belongs to the technical field of assembled buildings, and relates to a prefabricated sandwich heat-insulating wallboard.

Background

The prefabricated concrete sandwich heat-insulating wall board is an important assembled prefabricated component integrating the functions of bearing, enclosing, heat insulation, water resistance, fire resistance and the like, is a composite prefabricated concrete wall board consisting of an inner leaf wall board, a sandwich heat-insulating layer, an outer leaf wall board and a drawknot component, and comprises a prefabricated concrete sandwich heat-insulating shear wall board and a prefabricated concrete sandwich heat-insulating external wall board, and is widely applied to assembled buildings.

When the precast concrete sandwich heat-insulating wallboard is installed on site, the precast concrete sandwich heat-insulating wallboard is generally connected with a cast-in-place frame structure in site in a pouring mode, and the formwork supporting, concrete pouring and formwork removing during manufacturing of the frame structure are complex in construction procedures, so that the subsequent heat preservation of the outer side of a poured beam column is difficult to process. In order to solve the technical problem, the patent application with the name of 202010269771.6 is entitled "prefabricated sandwich heat-insulating wallboard", and discloses a prefabricated sandwich heat-insulating wallboard which can be unified, integrated in design, prefabricated in factories, few in site and assembled in multiple, and the prefabricated sandwich heat-insulating wallboard is used for designing a panel into a long short side, and the long panel is used as a disassembly-free template for pouring a beam column, so that the procedures of beam column formwork supporting and form disassembling are saved.

In addition, in order to simplify the complex outer wall decoration process in the later period, part of enterprises reversely beat the decorative material on the outer leaf plate when producing the prefabricated sandwich heat-insulating wallboard, so that the outer side of the prefabricated sandwich heat-insulating wallboard is not required to be subjected to decoration construction after being installed. However, when the outer leaf plate of the precast concrete sandwich heat-insulating wallboard is used as a disassembly-free template for pouring a beam column, the outer leaf plate is required to be perforated and the split bolts are installed, if the surface of the outer leaf plate is provided with a decorative layer, the outer leaf plate can be damaged by the holes and the split bolts, so that the technical problem that the precast sandwich heat-insulating wallboard is required to be used as the disassembly-free template for pouring the beam column under the premise of not damaging the surface decorative layer is solved.

Disclosure of Invention

The utility model provides a prefabricated sandwich heat-insulating wallboard aiming at the problems in the prior art, and aims to overcome the defect that the conventional prefabricated sandwich heat-insulating wallboard cannot be used as a disassembly-free template for pouring a beam column on the premise of not damaging a surface decoration layer.

The utility model is realized in the following way:

the utility model provides a prefabricated sandwich heat preservation wallboard, includes outer leaf, interior leaf, is located heated board and drawknot spare between outer leaf and the interior leaf, be equipped with outside longitudinal reinforcement in the outer leaf, its characterized in that, the length and the width of outer leaf and heated board are all greater than interior leaf, the bottom of outer leaf and heated board with interior leaf flushes, the left end, the right-hand member of outer leaf, the part that upper end stretched out interior leaf are equipped with a plurality of perpendicular to the pre-buried screw member of outer leaf, the one end and the outside longitudinal reinforcement fixed connection of pre-buried screw member, the other end have the screw thread and pass the heated board.

Preferably, the prefabricated sandwich heat-insulating wallboard further comprises a facing layer integrally formed with the outer leaf plate.

Preferably, the inner leaf plate is formed by pouring ceramsite concrete.

Preferably, the heat insulation board is made of A-level fireproof heat insulation materials, and the thickness of the outer leaf board is 10-15 mm.

Preferably, a plurality of inner longitudinal steel bars and inner transverse steel bars are arranged in the inner leaf plate, one end of the drawknot piece is fixedly connected with the outer longitudinal steel bars, the other end of the drawknot piece is fixedly connected with the inner longitudinal steel bars, and the inner transverse steel bars are fixedly connected with the inner longitudinal steel bars.

The utility model has the following beneficial effects:

(1) The outer leaf plates, the heat-insulating plates and the inner leaf plates of the prefabricated sandwich heat-insulating wallboard are set to be different in length, so that the part of the outer leaf plates and the heat-insulating plates, which is provided with more inner leaf plates, can be used as a disassembly-free heat-insulating template for pouring the beam column, and the procedures of beam column formwork supporting and disassembling are reduced;

(2) Through set up a plurality of perpendicular to outer leaf pre-buried screw members when outer leaf pours, at the in-process that forms pouring district, pre-buried screw member is used for fixed corresponding interior template, need not to open pores on outer leaf, can keep the level of outer leaf lateral surface, when the fixed finish coat of lateral surface at outer leaf, can not destroy the purpose of prefabricated sandwich insulation wallboard as the non-dismantling insulation template of pouring the beam column under the circumstances of finish coat.

Drawings

FIG. 1 is a partial structural cross-sectional view of a beam column form removal-free system;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic structural view of a prefabricated sandwich insulation wallboard;

FIG. 4 is a schematic perspective view of a prefabricated sandwich insulation wall panel;

fig. 5 is a schematic cross-sectional structural view of a prefabricated sandwich insulation wallboard.

The drawings are marked with the following description: 100. an inner template; 110. a threaded sleeve; 120. a split bolt; 130. pouring areas; 200. an outer leaf; 210. a drawknot member; 220. outer longitudinal steel bars; 230. embedding a threaded piece; 300. an inner leaf; 310. inner longitudinal steel bars; 320. inner lateral steel bars; 400. a thermal insulation board; 500. a facing layer; 600. and a window hole.

Detailed Description

The following detailed description of the embodiments of the present utility model is provided with reference to the accompanying drawings, so that the technical scheme of the present utility model can be understood and mastered more easily. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The embodiment provides a beam-column form removal-free system, which is a specific application of the innovative scheme of the utility model. As shown in fig. 1, comprises two prefabricated sandwich insulation wall panels, an inner form 100, a threaded sleeve 110 and a split bolt 120. As shown in fig. 3-5, wherein the prefabricated sandwich insulation panel comprises an outer deck 200, an inner deck 300, an insulation panel 400 between the outer deck 200 and the inner deck 300, and a drawknot 210. The outer longitudinal steel bar 220 is arranged in the outer blade 200, the lengths and the widths of the outer blade 200 and the heat insulation plate 400 are both larger than those of the inner blade 300, the bottoms of the outer blade 200 and the heat insulation plate 400 are flush with the inner blade 300, a plurality of embedded threaded pieces 230 perpendicular to the outer blade 200 are arranged at the left end, the right end and the upper end of the outer blade 200, and one end of each embedded threaded piece 230 is fixedly connected with the outer longitudinal steel bar 220, and the other end of each embedded threaded piece is threaded and penetrates through the heat insulation plate 400. The prefabricated sandwich insulation wall panel of this embodiment has a window opening 600, and in other alternative embodiments, the prefabricated sandwich insulation wall panel may not have a window opening 600.

The inner leaf 300 is formed by casting ceramsite concrete to reduce the weight of the prefabricated sandwich heat-insulating wallboard.

The prefabricated sandwich thermal insulation wallboard further comprises a finishing layer 500 integrally formed with the outer blade plate 200, so that the complex later decoration of the outer wall can be avoided, and the finishing layer 500 can be ceramic tiles, paint or real stone paint.

The insulation board 400 is made of a class-A fireproof insulation material, such as aerogel felt, so that the weight of the prefabricated sandwich insulation wallboard can be reduced, and the thickness of the outer leaf board 200 serving as a protective layer can be greatly reduced because the insulation board 400 has a class-A fireproof performance, and the thickness of the outer leaf board 200 is preferably 10 mm-15 mm, for example 12mm.

As shown in fig. 4, a plurality of inner longitudinal bars 310 and inner transverse bars 320 are provided in the inner blade 300, one end of the tie member 210 is fixedly connected with the outer longitudinal bars 220, the other end is fixedly connected with the inner longitudinal bars 310, the inner transverse bars 320 are fixedly connected with the inner longitudinal bars 310, and the outer blade 200 and the inner blade 300 are more firmly connected.

As shown in fig. 1 and 2, the inner mold plate 100 is disposed at the inner side of the inner blade plate 300, two prefabricated sandwich heat insulation wall plates and the inner mold plate 100 are combined together to form a pouring area 130 of a beam column, the threaded end of the embedded screw member penetrating out of the heat insulation plate 400 is connected with the split bolt 120 through the threaded sleeve 110 so that the inner mold plate 100 abuts against the inner blade plate 300, and the threaded sleeve 110 is made of nylon material.

When the beam column on one side of the prefabricated sandwich heat-insulating wallboard is poured, the two prefabricated sandwich heat-insulating wallboards are spliced together, the outer side of the prefabricated sandwich heat-insulating wallboard can form a disassembly-free heat-insulating template for pouring the beam column, one end of the split bolt 120 is connected with the embedded screw 230 by adopting the threaded sleeve, the inner template 100 is finally installed on one side of the inner leaf plate 300, the inner template 100 is fixedly connected with the prefabricated sandwich heat-insulating wallboard by using the split bolt 120, the inner template 100 is removed after pouring, the heat-insulating template on the outer side of the beam column is not required to be disassembled, and the procedures of beam column formwork supporting and form disassembling are reduced.

As shown in fig. 1 and 3, the inner lateral reinforcement 320 extends from the inner blade 300 to the casting area 130, so that the concrete of the casting area 130 is more reliably connected with the prefabricated sandwich insulation wallboard.

The beam column disassembly-free mold system sets a plurality of embedded screw thread pieces 230 vertical to the outer blade plate 200 when the outer blade plate 200 with the finish coat 500 is poured, and the embedded screw thread pieces 230 are connected with the split bolts 120 through the screw thread sleeves 110, so that the outer blade plate 200 can realize firm connection of the prefabricated sandwich heat-insulating wallboard and the inner template 100 without opening holes when the split bolts 120 are installed, and the purpose of the prefabricated sandwich heat-insulating wallboard serving as a disassembly-free heat-insulating template for pouring the beam column is realized on the premise of not damaging the surface finish coat 500.

Claims

1. The utility model provides a prefabricated sandwich heat preservation wallboard, includes outer leaf (200), interior leaf (300), is located heated board (400) and drawknot spare (210) between outer leaf (200) and interior leaf (300), be equipped with outside longitudinal reinforcement (220) in outer leaf (200), its characterized in that, the length and the width of outer leaf (200) and heated board (400) are all greater than interior leaf (300), the bottom of outer leaf (200) and heated board (400) with interior leaf (300) flushes, the left end of outer leaf (200), right-hand member, the part that upper end stretched out interior leaf (300) are equipped with a plurality of perpendicular to outer leaf (200), the one end and outside longitudinal reinforcement (220) fixed connection of pre-buried screw (230), and the other end has the screw thread and passes heat preservation board (400).

2. A prefabricated sandwich insulation wall panel according to claim 1, characterized in that the prefabricated sandwich insulation wall panel further comprises a facing layer (500) integrally formed with the outer leaf (200).

3. The prefabricated sandwich insulation wallboard according to claim 1, wherein the inner leaf (300) is formed by casting ceramsite concrete.

4. The prefabricated sandwich heat-insulating wallboard according to claim 1, wherein the heat-insulating board (400) is made of a class-a fireproof heat-insulating material, and the thickness of the outer leaf board (200) is 10 mm-15 mm.

5. The prefabricated sandwich insulation wallboard according to claim 1, wherein a plurality of inner longitudinal steel bars (310) and inner transverse steel bars (320) are arranged in the inner leaf plate (300), one end of the drawknot member (210) is fixedly connected with the outer longitudinal steel bars (220), the other end of the drawknot member is fixedly connected with the inner longitudinal steel bars (310), and the inner transverse steel bars (320) are fixedly connected with the inner longitudinal steel bars (310).