Building outer wall formwork-free decorative plate and building outer wall structure

Abstract

The application discloses a building outer wall formwork-free decorative plate, which comprises a decorative plate body, a decorative surface and a combination surface are arranged on the front and back surfaces of the decorative plate body respectively, a heat preservation sandwich layer is arranged between the decorative surface and the combination surface, and a plurality of connecting pieces connected with concrete pouring are arranged on the combination surface. The application further discloses a building outer wall structure, which comprises an outer wall formwork, an outer wall embedded steel bar and the building outer wall formwork-free decorative plate, a concrete pouring cavity is formed between the outer wall formwork and the building outer wall formwork-free decorative plate, the combination surface of the decorative plate body faces the outer wall embedded steel bar, a reinforcing keel is arranged on the decorative surface of the decorative plate body, the reinforcing keel is fixed through reinforcing pull sheets penetrating through the decorative plate body and the outer wall formwork, and reinforcing buckles are arranged at the two ends of the reinforcing pull sheets respectively.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a building outer wall formwork-free decorative plate and a building outer wall structure. BACKGROUND

[0002] The structure layer and the decorative layer of the prior art building outer wall are constructed in layers, and whether it is outer wall paint, facing brick or stone dry hanging, it needs to be constructed separately after the structure layer is completed, and the waterproof and thermal insulation layer also needs to be set separately. In the current traditional process, whether it is outer wall paint, outer wall facing brick or dry hanging stone, there are certain safety hazards and functional hazards, such as the risk of falling off of outer wall ceramic tiles and dry hanging stone after a long time, accompanied by the risk of outer wall leakage. After a long time, the outer wall paint, facing brick and dry hanging stone are easily polluted by the environment, and it is difficult to clean and maintain due to their rough surface. At the same time, the construction process is more, the construction steps are complicated, the open-air and high-altitude operation is dangerous, the weather has a great influence on the engineering construction process, and the engineering quality, production safety and construction progress cannot be guaranteed. SUMMARY

[0003] The purpose of the present application is to solve the above-mentioned problems of safety, quality, progress and functional defects by providing a building outer wall formwork-free decorative plate and a building outer wall structure, which are constructed synchronously during the main construction process.

[0004] The technical problems solved by the present application can be solved by the following technical solutions:

[0005] The building outer wall formwork-free decorative plate comprises a decorative plate body, the front and back surfaces of the decorative plate body are respectively a decorative surface and a combination surface, a thermal insulation sandwich layer is arranged between the decorative surface and the combination surface, and a plurality of connecting pieces connected with concrete pouring are arranged on the combination surface.

[0006] In a preferred embodiment of the present application, the thermal insulation sandwich layer comprises a thermal insulation cavity, a support truss arranged in the thermal insulation cavity and a thermal insulation material filled in the thermal insulation cavity.

[0007] In a preferred embodiment of the present application, the decorative plate body and the support truss are made of high-temperature-resistant and flame-retardant engineering plastics, and the thermal insulation material comprises polyurethane foaming material.

[0008] In a preferred embodiment of the present application, the decorative plate body is in the form of a rectangular structure as a whole, two adjacent edges are provided with flanges, the other two adjacent edges are provided with grooves corresponding to the flanges of another decorative plate body, and the groove bottoms are composed of rubber expansion strips.

[0009] In a preferred embodiment of the present application, the side flanges are provided with a plurality of pull-tab reserved slots at intervals from top to bottom.

[0010] In a preferred embodiment of the present application, the connecting piece comprises an L-shaped connecting edge.

[0011] The building outer wall structure comprises an outer wall formwork, a wall column steel bar and the building outer wall form removal decoration plate according to any one of the technical solutions above, a concrete pouring cavity is formed between the outer wall formwork and the building outer wall form removal decoration plate, the bonding surface of the decoration plate body faces the wall column steel bar, a reinforcing furring is arranged on the decoration surface of the decoration plate body, the reinforcing furring is fixed by a reinforcing pull-tab penetrating through the decoration plate body and the outer wall formwork, and reinforcing buckles are arranged at two ends of the reinforcing pull-tab.

[0012] In a preferred embodiment of the present application, the reinforcing furring comprises reinforcing horizontal furrings and reinforcing vertical furrings.

[0013] According to the technical solutions above, the strength and rigidity of the building outer wall form removal decoration plate of the present application meet the requirements of the concrete formwork, the building outer wall form removal decoration plate of the present application is waterproof and heat-insulating in one, is durable and waterproof in engineering plastic material, a sandwich heat-insulating layer is designed in the plate, and the design energy-saving requirements are met. In addition, the building outer wall form removal decoration plate of the present application is connected with the outer wall concrete, the form removal effect is achieved, the concrete curing is facilitated, the concrete closed form curing is formed, the free water is prevented from dissipating too fast in the concrete hardening process, and the problem of outer wall dry shrinkage cracking caused by improper curing of the outer wall is avoided. The form removal can save the construction period of the outer wall decoration as a whole, the main construction and the outer wall decoration are basically completed synchronously due to the design of the self-decorating effect of the material, the construction period is greatly reduced, and the construction efficiency is improved. The building outer wall form removal decoration plate has a self-decorating effect, thereby reducing the construction process of outer wall base leveling, putty and paint, saving the use of part of the materials, and reducing the carbon emission. Compared with the traditional plastering decoration and dry hanging decoration, the form removal decoration plate considers the connection with the outer wall concrete in the design, forms a whole with the outer wall concrete after the concrete pouring, fundamentally solves the problem of long-term falling off of the outer wall decoration surface, and greatly reduces the maintenance problem of the building in the use process. Since the formwork, decoration, heat insulation and waterproof are integrated and synchronized with the main construction, the one-time forming can greatly reduce the construction period, reduce the construction cost, and also reduce the construction cost. The building outer wall form removal decoration plate is made of engineering plastic material, has the properties of high temperature resistance, chemical resistance, weather resistance, flame resistance and dimensional stability, etc. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to make the technical means, creative features, purposes and effects of the present application more clearly understood, the present application will be further described below.

[0015] Figure 1 is a front view of the building outer wall formwork-free decorative plate according to an embodiment of the present application.

[0016] Figure 2 is a rear view of the building outer wall formwork-free decorative plate according to an embodiment of the present application.

[0017] Figure 3 is a side view of the building outer wall formwork-free decorative plate according to an embodiment of the present application.

[0018] Figure 4 is a transverse sectional view of Figure 1 .

[0019] Figure 5 is a partial enlarged view of the building outer wall formwork-free decorative plate according to an embodiment of the present application.

[0020] Figure 6 is a structural schematic view of the building outer wall structure according to an embodiment of the present application.

[0021] Figure 7 is a partial enlarged view of Figure 6 .

[0022] Figure 8 is a construction state view of the building outer wall structure according to an embodiment of the present application. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the present application more clearly understood, the present application will be further described below.

[0024] Referring to the building outer wall formwork-free decorative plate shown in Figures 1 to 5 , the building outer wall formwork-free decorative plate comprises a decorative plate body 100, the front and rear surfaces of the decorative plate body 100 are respectively a decorative surface 110 and a combination surface 120, a thermal insulation sandwich layer 130 is arranged between the decorative surface 110 and the combination surface 120, and a plurality of connecting pieces 140 connected with concrete pouring are arranged on the combination surface 120.

[0025] The heat preservation sandwich layer 130 in the embodiment comprises a heat preservation cavity 131, a support truss 132 arranged in the heat preservation cavity 131, and a heat preservation material 133 filled in the heat preservation cavity 131. The decorative plate body 100 and the support truss 132 are made of high-temperature-resistant and fire-retardant engineering plastic, and the heat preservation material 133 comprises polyurethane foaming material, so that the building outer wall formwork decorative plate has the properties of high-temperature resistance, chemical resistance, weather resistance, fire resistance, dimensional stability, and the like, and the strength and rigidity meet the requirements of concrete formwork, and the building outer wall formwork decorative plate is used as an outer formwork for pouring concrete.

[0026] Preferably, the decorative plate body 100 has a rectangular structure as a whole, wherein two adjacent edges 101 and 102 are provided with flanges 105, and the other two adjacent edges 103 and 104 are provided with grooves 106 corresponding to the flanges of another decorative plate body, the groove bottoms of the grooves 106 are composed of rubber expansion strips 107, and the rubber expansion strips 107 play a role in controlling the joint, preventing water, and resisting the expansion and deformation of the plate. The flanges 105 located on the side are provided with a plurality of pull-tab reserved grooves 107 at intervals from top to bottom. The connecting piece 140 comprises an L-shaped connecting edge.

[0027] In combination Figures 6 to 8 The building outer wall structure 200 shown comprises a wall formwork 210, a wall column steel bar 220, and the building outer wall formwork decorative plate. A concrete pouring cavity 230 is formed between the wall formwork 210 and the building outer wall formwork decorative plate. The coupling surface 120 of the decorative plate body 100 faces the wall column steel bar 220. The reinforcing furring 240 is arranged on the decorative surface 110 of the decorative plate body 100. The reinforcing furring 240 is fixed by the reinforcing pull-tab 250 penetrating through the decorative plate body 100 and the wall formwork 210. The two ends of the reinforcing pull-tab 250 are respectively provided with reinforcing buckles 260, so as to facilitate the fixing of the reinforcing furring 240 on the decorative surface 110 of the decorative plate body 100. The reinforcing furring 240 in the embodiment comprises a reinforcing horizontal furring 241 and a reinforcing vertical furring 242. The specific construction process of the building outer wall structure 200 is as follows:

[0028] After the wall column steel bar 220 is bound, the wall formwork 210 is first installed and preliminarily fixed and straightened. Then, the reinforcing pull-tab 250 is arranged, and the inner reinforcing pull-tab is fixed by a pin. After the wall formwork 210 is installed and fixed, the cement surplus on the upper notch of the lower formwork is cleaned. When the building outer wall formwork decorative plate is installed, the concave and convex notches of the upper and lower decorative plate bodies 100 should be flatly sleeved. Special joint clamps can be arranged at the joints, so as to ensure that the joints are uniform and horizontal. At the same time, it should be noted that the vertical joints of the upper and lower decorative plate bodies 100 are not dislocated and skewed. After the building outer wall formwork decorative plate is assembled, the reinforcing vertical furring 242 on the outer side is installed and temporarily fixed. Finally, the reinforcing horizontal furring 241 on the two sides is installed and fastened, and the final fine adjustment is performed, so as to ensure that the flatness and perpendicularity of the installation meet the acceptance requirements.

[0029] After the concrete is poured and reaches a certain strength, the lateral reinforcing cross keels 241 and the reinforcing vertical keels 242 are removed first, then the inner keels and the formwork are removed. Before the removal or climbing of the outer frame, the reinforcing pull tabs 250 of the form removal and decoration plate of the building outer wall are cut off, and the special joint sealing paste is used to seal the joints, and finally the surface protective film of the form removal and decoration plate of the building outer wall is removed.

[0030] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A building exterior wall structure, characterized by, The building outer wall formwork comprises an outer wall formwork, wall column steel bars and building outer wall formwork decoration plates, the building outer wall formwork decoration plate comprises a decoration plate body, the front and back surfaces of the decoration plate body are respectively a decoration surface and a combination surface, a heat preservation interlayer is arranged between the decoration surface and the combination surface, and a plurality of connecting pieces connected with concrete pouring are arranged on the combination surface; The heat preservation interlayer comprises a heat preservation cavity, a support truss arranged in the heat preservation cavity and heat preservation material filled in the heat preservation cavity; The decoration plate body and the support truss are made of high-temperature-resistant and fire-retardant engineering plastics, and the heat preservation material comprises polyurethane foaming material; The decoration plate body is in a whole rectangular structure, adjacent two edges are provided with flanges, and the other two edges are provided with grooves corresponding to the flanges of another decoration plate body, and the groove bottoms are composed of rubber expansion strips; The flanges on the side are provided with a plurality of pull-tab reserved grooves at intervals from top to bottom; The connecting piece comprises an L-shaped connecting edge; The concrete pouring cavity is formed between the outer wall formwork and the building outer wall formwork decoration plate, the combination surface of the decoration plate body faces the wall column steel bars, the decoration surface of the decoration plate body is provided with a reinforcing keel, the reinforcing keel is fixed through reinforcing pull tabs penetrating through the decoration plate body and the outer wall formwork, and the two ends of the reinforcing pull tab are respectively provided with reinforcing buckles; The specific construction process of the building outer wall structure is as follows: After the wall column steel bars are bound, the outer wall formwork is first installed, preliminarily fixed and straightened, then the reinforcing pull tabs are arranged, and the inner reinforcing pull tabs are fixed by using pins; after the outer wall formwork is installed and fixed, the cement surplus on the upper flange of the outer lower non-removable formwork is cleaned, when the building outer wall formwork decoration plate is installed, the concave-convex flanges of the upper and lower decoration plate bodies should be matched flat, special joint clamps can be arranged at the joint seams to ensure that the joint seams are uniform and horizontal, and attention should be paid to the fact that the vertical joint seams of the upper and lower decoration plate bodies are not dislocated and skewed; after the building outer wall formwork decoration plate is assembled, the outer reinforcing vertical keel is installed and temporarily fixed; finally, the reinforcing horizontal keel on both sides is installed and fastened, and the final fine adjustment is performed to ensure that the flatness and perpendicularity of the installation meet the acceptance requirements; After the concrete pouring is completed and reaches a certain strength, the outer reinforcing horizontal keel and the reinforcing vertical keel are first removed, then the inner keel and the formwork are removed; before the outer frame is removed or climbed, the reinforcing pull tabs of the building outer wall formwork decoration plate are cut off, the joint seams are closed and treated by using special sealing paste, and finally the surface protective film of the building outer wall formwork decoration plate is removed.

2. The building exterior wall structure according to claim 1, wherein The reinforcing keel comprises reinforcing horizontal keels and reinforcing vertical keels.

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