CN212866592U - Prefabricated composite sandwich hollow wallboard and heat-insulating wall - Google Patents

Abstract

The utility model provides a prefabricated compound double-layered core cavity wallboard and thermal insulation wall, including interior page or leaf board, heat preservation intermediate layer and the outer page or leaf board that sets gradually, interior page or leaf board is reinforced concrete wall, outer page or leaf board is lightweight concrete hollow wall, be provided with the ventilation hole among the lightweight concrete hollow wall, the ventilation hole is vertical equipartition or horizontal equipartition, ventilation hole on the outer page or leaf board is single hole structure or double row hole, the ventilation hole staggered arrangement in double row hole. When forming the wall body, the ventilation hole of adjacent wallboard is just right to switch on the ventilation hole, in summer, the air current can flow through the ventilation hole, takes away the heat of wall body, plays the radiating effect, plugs up both ends winter, utilizes the heat preservation characteristic to play heat retaining effect. The wall body can be used for prefabricated assembly type near-zero energy consumption buildings and prefabricated assembly type conventional buildings.

Description

Prefabricated composite sandwich hollow wallboard and heat-insulating wall

Technical Field

The utility model relates to a wallboard, specific theory has related to a prefabricated compound double-layered core cavity wallboard and thermal insulation wall.

Background

The prefabricated building has the advantages of low material consumption, low energy consumption, clean construction site, fine construction, high building quality and the like. At present, sandwich wall panels are in a form of prefabricated wall panels which are used more, but the form of the sandwich wall panels is single at present.

The prefabricated sandwich wallboard applied to the market has the advantages that the outer leaf plate is a concrete bearing wallboard, the middle part is a heat insulation plate, the inner leaf plate is a foam concrete plate, the wallboard has good heat insulation performance, however, the wallboard has the defect that the bearing wall is exposed in the external atmosphere and cannot be protected by a heat insulation layer, the bearing wall is damaged by freeze-thaw cycle due to day and night temperature difference and winter and summer temperature difference, and the durability is greatly reduced.

In order to solve the above problems, people are always seeking an ideal technical solution.

Disclosure of Invention

The utility model aims at the not enough of prior art to a prefabricated compound double-layered core cavity wallboard and thermal insulation wall body that summer ventilation cooling, winter keep warm, structural strength are secure, have disconnected heat bridge ability is provided.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a prefabricated composite sandwich hollow wallboard comprises an inner leaf plate, a heat insulation interlayer and an outer leaf plate which are sequentially arranged, wherein the inner leaf plate is a reinforced concrete wall body, the outer leaf plate is a light concrete hollow wall body, and a ventilation hole is formed in the light concrete hollow wall body.

Basically, the ventilation hole is vertical equipartition or horizontal equipartition.

Basically, the ventilation holes in the outer leaf plate are in a single-row hole structure or double-row holes or multiple-row holes, and when more than one row of ventilation holes are formed, the adjacent two rows of ventilation holes are arranged in a staggered mode.

Basically, the outer board is a ceramsite lightweight aggregate concrete hollow wall body mixed with chopped basalt fibers.

The heat insulation sandwich structure further comprises a heat-insulation bridge pulling piece, and the heat-insulation bridge pulling piece is used for pulling and fixing the inner hinge plate, the heat insulation sandwich layer and the outer hinge plate together.

Basically, the part of disconnected heat bridge drawknot spare in outer page or leaf board is the annular or the dual ring structure that encircles the ventilation hole, the part of disconnected heat bridge drawknot spare in the inner page or leaf board includes a pull rod and connecting rod structure, the one end of connecting rod structure with the pull rod fixed, the other end pass behind the heat preservation intermediate layer with annular or dual ring structure integral type are connected.

A heat insulation wall comprises the prefabricated composite sandwich hollow wall boards, ventilation holes of two adjacent prefabricated composite sandwich hollow wall boards are aligned, and valves are arranged outside the ventilation holes of the prefabricated composite sandwich hollow wall boards at an air inlet end and an air outlet end.

The fireproof insulation board is characterized by further comprising a plurality of layers of fireproof insulation boards which are arranged at equal intervals, each fireproof insulation board is of a composite structure formed by an inner leaf board, a fireproof layer and an outer leaf board, the heat insulation material of the central area of each fireproof layer is different from that of the edge area of each fireproof layer, the central area of each fireproof insulation board is a rock wool heat insulation material or a graphite polystyrene board or an EPS board or a basalt fiber heat insulation board, and the upper end and/or the lower end of each composite heat insulation board is a rock wool heat insulation material or a basalt fiber heat insulation board.

Basically, the ventilation hole in the outer page plate at the fireproof isolation belt is divided into three sections, including upper and lower two sections of longitudinal ventilation holes and the snake-shaped hole in the middle section, and the upper and lower two sections of longitudinal ventilation holes are respectively communicated with two ends of the snake-shaped hole.

The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses make reinforced concrete wall body with interior page or leaf board, as the bearing wallboard, the intermediate layer is the heated board, and outer page or leaf board is lightweight concrete hollow wall, and hollow wall is single row hole or double row hole structure, when building by laying bricks or stones the wall body, aligns the ventilation hole of adjacent wallboard, is applied to on each facade of building, communicates external air current in summer for ventilation and heat dissipation, plugs up both ends winter, is used for keeping warm.

Further, because the bearing wallboard receives the protection of heated board and outer page or leaf board in the inboard, can not damage easily, the durability obtains improving, and outer page or leaf board adopts lightweight concrete hollow wall, and the quality is lighter, can not construct into too big pressure to the wall structure, plays the guard action to inner structure, and middle heat preservation intermediate layer then is used for keeping warm, solves the problem of accuse temperature.

Furthermore, in order to improve the performance of the wall body, basalt fibers are added into the outer sheet to enhance the crack resistance and the strength, so that the outer sheet can be made thinner, lighter and better in quality.

Furthermore, the thermal bridge breaking drawknot piece is arranged, so that a ring shape or a double ring shape is formed in the outer sheet, the ventilation hole is not damaged, and meanwhile, the sufficient drawknot effect can be achieved.

Furthermore, in the thermal insulation wall structure who founds, add the fire prevention median, improve the refractiveness of wall body, also can guarantee the thermal insulation performance of fire prevention median position department, simultaneously, in order to prevent that the intensity of a fire from spreading, design the ventilation hole of fire prevention median department for the ventilation hole that has the coiled pipe, can effectively prevent the intensity of a fire from upwards spreading.

Drawings

Fig. 1 is a schematic side view of the structure of the composite sandwich hollow wall panel in embodiment 1 of the present invention.

Fig. 2 is a schematic view of the top-down section structure of the prefabricated composite sandwich hollow wall panel in embodiment 1 of the present invention.

Fig. 3 is a schematic side view of the structure of the composite sandwich hollow wall panel in embodiment 2 of the present invention.

Fig. 4 is a schematic view of the top-down section structure of the prefabricated composite sandwich hollow wall panel in embodiment 2 of the present invention.

Fig. 5 is a schematic structural view of the ventilation holes of the outer leaf of the fire-proof isolation strip in embodiment 3 of the present invention.

Fig. 6 is a schematic structural view of a cross section of an outer leaf plate provided with a through height in embodiment 3 of the present invention.

In the figure: 1. an inner leaf plate; 2. a heat-insulating interlayer; 3. an outer sheet; 4. a vent hole; 5. a thermal bridge break drawknot; 5-1, a pull rod; 5-2, connecting rod structure; 5-3, ring structure; 6. a longitudinal vent; 7. a snake-shaped hole.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

Example 1

As shown in fig. 1 and 2, the prefabricated composite sandwich hollow wallboard comprises an inner leaf plate 1, a heat insulation interlayer 2 and an outer leaf plate 3 which are sequentially arranged, wherein the inner leaf plate 1, the heat insulation interlayer 2 and the outer leaf plate 3 are fixed by a heat bridge breaking pulling piece 5 in a pulling manner, and the heat bridge breaking pulling piece is made of basalt fiber materials and blocks a heat bridge between the inner leaf plate 1 and the outer leaf plate 3.

The inner leaf plate 1 is a reinforced concrete wall body, is used as a bearing wall plate and is protected by the outer leaf plate 3, so that the inner leaf plate is not easy to damage and the durability is improved; the outer sheet 3 is a ceramsite lightweight aggregate concrete hollow wall mixed with chopped basalt fibers, and has the properties of light weight, heat preservation and fire resistance; the ceramsite lightweight aggregate concrete hollow wall is provided with vent holes 4, the vent holes 4 are vertical holes arranged in a single row, and are mainly installed on a building side vertical face in specific application, valves are respectively installed at an air inlet end and an air outlet end, and the valves are opened in summer, cooled through air inlet and closed in winter, and heat is preserved.

The part of the thermal bridge breaking piece 5 in the outer leaf plate 3 is of an annular structure 5-3 or a double-annular structure (in other embodiments) surrounding the vent hole 4, the part of the thermal bridge breaking piece 5 in the inner leaf plate 1 comprises a pull rod 5-1 and a connecting rod structure 5-2, one end of the connecting rod structure 5-2 is fixed with the pull rod 5-1, and the other end of the connecting rod structure 5-2 penetrates through the heat insulation interlayer 2 and then is integrally connected with the annular structure 5-3.

In other embodiments, the ventilation holes can also be designed as transverse holes.

The wall body can be used for prefabricated assembly type near-zero energy consumption buildings and prefabricated assembly type conventional buildings.

Example 2

As shown in fig. 3 and 4, the present embodiment is different from embodiment 1 in that: the ventilation holes 4 on the outer leaf plate 3 are double rows of holes, and the two rows of ventilation holes 4 are arranged in a staggered manner, so that the ventilation performance can be enhanced.

Example 3

A kind of thermal insulation wall, for the concrete application example of the hollow wallboard of prefabricated composite sandwich in embodiment 1 and 2, include several prefabricated composite sandwich hollow wallboards built together, the ventilation hole of two adjacent prefabricated composite sandwich hollow wallboards aligns, so that the airstream can pass smoothly, locate at air intake end and air outlet end prefabricated composite sandwich hollow wallboard ventilation hole set up the valve outside, its purpose is to open in summer, get up and ventilate the radiating effect, close in winter, get up and preserve heat the effect; the fireproof isolation belt is of a composite structure, and the heat insulation materials of the central area and the edge area of the fireproof isolation belt are different.

The fireproof isolation belt is of a composite structure consisting of an inner leaf plate, a fireproof layer and an outer leaf plate, the heat insulation material of the central area of the fireproof layer is different from that of the edge area, the central area of the fireproof isolation belt is made of rock wool heat insulation material or graphite polystyrene board or EPS board or basalt fiber heat insulation board, and the upper end and/or the lower end of the composite heat insulation board is made of rock wool heat insulation material or basalt fiber heat insulation board. Can carry out random collocation combination according to above-mentioned collocation, constitute the structure of different combination forms, its aim at plays fire resistance, guarantees thermal insulation performance, guarantees the structural strength of upper and lower both sides connected wallboard department simultaneously.

As shown in fig. 5, the ventilation holes in the outer leaf plate at the fire-proof isolation strip are divided into three sections, including an upper section of longitudinal ventilation hole 6, a lower section of longitudinal ventilation hole 6 and a middle section of serpentine hole 7, wherein the upper section of longitudinal ventilation hole 6 and the lower section of longitudinal ventilation hole 6 are respectively communicated with two ends of the serpentine hole 7, so as to prevent the fire from spreading upwards when a fire occurs.

The upper and lower sections of longitudinal ventilation holes 6 are communicated with the ventilation holes in the adjacent prefabricated composite sandwich hollow wall board, so that the ventilation effect is realized.

As shown in fig. 6, the vent holes in the outer leaf of the building elevation may all be provided in this configuration, as conditions permit.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (8)

1. The utility model provides a prefabricated compound core cavity wallboard that presss from both sides, is including interior page or leaf board, heat preservation intermediate layer and the outer page or leaf board that sets gradually, its characterized in that: the inner hinge plate is a reinforced concrete wall, the outer hinge plate is a lightweight concrete hollow wall, and a ventilation hole is formed in the lightweight concrete hollow wall.

2. The prefabricated composite sandwich hollow wall panel of claim 1, characterized in that: the ventilation holes are vertically and evenly distributed or horizontally and evenly distributed.

3. The prefabricated composite sandwich hollow wall panel of claim 2, characterized in that: at least one row of ventilation holes is arranged on the outer leaf plate, and when more than one row of ventilation holes are arranged, the adjacent two rows of ventilation holes are arranged in a staggered manner.

4. The prefabricated composite sandwich hollow wall panel according to claim 1, 2 or 3, characterized in that: the thermal bridge is characterized by further comprising a thermal bridge breaking pulling piece, wherein the thermal bridge breaking pulling piece is used for pulling and fixing the inner hinge plate, the heat preservation interlayer and the outer hinge plate together.

5. The prefabricated composite sandwich hollow wall panel according to claim 4, characterized in that: the part of disconnected heat bridge drawknot spare in outer page or leaf board is the annular or the dual ring structure that encircles the ventilation hole, the part of disconnected heat bridge drawknot spare in the inner page or leaf board includes a pull rod and link structure, the one end of link structure is fixed with the pull rod, the other end pass behind the heat preservation intermediate layer with annular or dual ring structure integral type are connected.

6. A thermal insulation wall body is characterized in that: the prefabricated composite sandwich hollow wall panel comprises the prefabricated composite sandwich hollow wall panels as claimed in any one of claims 1 to 5, wherein the ventilation holes of two adjacent prefabricated composite sandwich hollow wall panels are aligned, and valves are arranged outside the ventilation holes of the prefabricated composite sandwich hollow wall panels at the air inlet end and the air outlet end.

7. The thermal insulating wall body of claim 6, wherein: the fireproof insulation board is characterized by further comprising a plurality of layers of fireproof insulation boards which are arranged at equal intervals, each fireproof insulation board is of a composite structure formed by an inner leaf board, a fireproof layer and an outer leaf board, the heat insulation material of the central area of the fireproof layer is different from that of the edge area of the fireproof layer, the central area of each fireproof insulation board is a rock wool heat insulation material or a graphite polystyrene board or an EPS board or a basalt fiber heat insulation board, and the upper end and/or the lower end of each composite heat insulation board is a rock wool heat insulation material or a basalt fiber heat insulation board.

8. The thermal insulating wall body of claim 7, wherein: the ventilation holes in the outer leaf plate at the position of the fireproof isolation belt are divided into three sections, each section of ventilation hole comprises an upper section of longitudinal ventilation hole and a lower section of longitudinal ventilation hole and a serpentine hole in the middle section, and the upper section of longitudinal ventilation hole and the lower section of longitudinal ventilation hole are respectively communicated with two ends of the serpentine hole.

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