CN213773995U

CN213773995U - Heat-preservation building structure

Info

Publication number: CN213773995U
Application number: CN202022268173.5U
Authority: CN
Inventors: 张洪国
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-07-23
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses a heat preservation building structure, including reinforced concrete wall body, its characterized in that: the composite heat-insulation external formwork is arranged on the outer side of the reinforced concrete wall and connected with the reinforced concrete wall through a connecting piece, steel plate fireproof isolation belts are arranged in the middle of the composite heat-insulation external formwork at intervals, the composite heat-insulation external formwork comprises a fireproof heat-insulation layer, a heat-insulation layer is arranged on the outer side of the fireproof heat-insulation layer, and protective layers are arranged on the other sides of the fireproof heat-insulation layer and the heat-insulation layer. The utility model discloses advantage compared with current technique lies in acting as concrete placement template with insulation material combined machining, has simplified the exterior sheathing and has demolishd the construction process with the installation of outer heat preservation, has saved time and material cost. Meanwhile, the steel plate fireproof isolation belt and the fireproof heat insulation layer are arranged, so that combustion and heat transfer are prevented from two directions, the fireproof performance is improved, and indoor protection is enhanced.

Description

Heat-preservation building structure

Technical Field

The utility model relates to a building engineering field specifically indicates a heat preservation building structure.

Background

Housing construction engineering is closely related to people's life, and the country has released a large amount of norms and standards to the housing construction field, and wherein housing heat preservation is an important engineering that influences resident housing experience. The external wall heat insulation occupies a large proportion in the house heat insulation project, and the external wall heat insulation can effectively cut off a heat bridge formed by a concrete girt, a constructional column and the like on the external wall, so that the integrity and the effectiveness of heat insulation are improved, and a good heat insulation effect is obtained. The heat insulation construction is carried out to the outside of the structural layer, so that the structural layer is not influenced by outdoor periodically-changed air temperature and solar radiation, the main structure is protected, and the service life of the building is prolonged. The building insulation structure at the present stage is mainly characterized in that insulation materials are pasted on the outer side of the main structure after the main structure is completed, the main structure is required to be dismantled after formwork pouring is completed, the construction period is long, and the material utilization rate is low. Insulation construction is only in the simple fire-resistant material of packing of horizontal direction as the fire prevention median, and the temperature can wear to indoor through major structure when insulation fires, and the fire prevention effect is poor. In order to reduce the problems, a building heat insulation structure which can replace an outer wall pouring template and has high construction efficiency and a good fireproof effect needs to be researched urgently.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to solve above-mentioned problem, provide one kind and can replace the outer wall and pour the template, the efficiency of construction is high, the building insulation construction that the fireproof effect is good.

In order to solve the above problem, the technical scheme of the utility model is that: the utility model provides a heat preservation building structure, includes reinforced concrete wall, the reinforced concrete wall outside is equipped with compound incubation exterior sheathing, compound incubation exterior sheathing passes through the connecting piece with reinforced concrete wall and is connected, the compound incubation exterior sheathing outside is equipped with the anchor coat, the anchor coat outside is equipped with the exterior wall decorative finish, the concrete wall inboard is equipped with interior wall decorative finish, compound incubation exterior sheathing middle part interval is equipped with steel sheet fire prevention median, compound incubation exterior sheathing includes the fire prevention heat preservation, the fire prevention heat preservation outside is equipped with the heat preservation, fire prevention heat preservation and heat preservation opposite side all are equipped with the protective layer.

Further, the fireproof heat-insulating layer is connected with the heat-insulating layer through an adhesive layer, the protective layer comprises anti-crack mortar, a steel wire mesh is arranged inside the anti-crack mortar, and the steel wire mesh is connected with the fireproof heat-insulating layer and the heat-insulating layer through expansion bolts.

Further, steel sheet fire prevention median includes the industry-shaped steel sheet, pre-buried bolt is worn to be equipped with at the steel sheet top, the steel sheet middle part is filled and is equipped with fire-proof material.

Further, an inner formwork is arranged on the inner side of the reinforced concrete wall, and the composite heat-insulation outer formwork is connected with the inner formwork through a connecting piece.

Furthermore, the connecting piece includes split bolt, split bolt is equipped with butterfly nut in the inner formword outside, split bolt is equipped with U type embedded steel groove in reinforced concrete wall body inboard.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses act as concrete placement template with insulation material combined machining, simplified the exterior sheathing and demolishd the construction process with the installation of outer heat preservation, saved time and material cost. The thermal insulation material is tensioned on the main body structure by the connecting piece, and the connection is stable. Meanwhile, the steel plate fireproof isolation belt and the fireproof heat insulation layer are arranged, so that combustion and heat transfer are prevented from two directions, the fireproof performance is improved, and indoor protection is enhanced.

Drawings

Fig. 1 is a structural diagram of a heat-insulating building structure of the present invention.

Fig. 2 is the utility model relates to a composite heat preservation exterior sheathing structure chart of heat preservation building structure.

Fig. 3 is the utility model relates to a heat preservation building structure's reinforced concrete wall body state structure of pouring chart.

As shown in the figure: 1. the heat-insulating composite wall comprises a reinforced concrete wall body, 2, a composite heat-insulating outer formwork, 3, a binding layer, 4, an outer wall decorative surface layer, 5, an inner wall decorative layer, 6, a connecting piece, 6.1, split bolts, 6.2, butterfly nuts, 6.3, U-shaped embedded steel grooves, 7, steel plate fireproof isolation belts, 7.1, I-shaped steel plates, 7.2, embedded bolts, 7.3, fireproof materials, 8, a fireproof heat-insulating layer, 9, a heat-insulating layer, 10, a protective layer, 10.1, anti-cracking mortar, 10.2, a steel wire mesh sheet, 10.3, expansion bolts, 11 and an adhesive layer.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention.

As shown in fig. 1 to 3, the heat-insulating building structure comprises a reinforced concrete wall 1, wherein a composite heat-insulating outer formwork 2 is arranged on the outer side of the reinforced concrete wall 1, the composite heat-insulating outer formwork 2 is connected with the reinforced concrete wall 1 through a connecting piece 6, a combined layer 3 is arranged on the outer side of the composite heat-insulating outer formwork 2, an outer wall decorative surface layer 4 is arranged on the outer side of the combined layer 3, an inner wall decorative layer 5 is arranged on the inner side of the concrete wall 1, steel plate fireproof isolation strips 7 are arranged in the middle of the composite heat-insulating outer formwork 2 at intervals, the composite heat-insulating outer formwork 2 comprises a fireproof heat-insulating layer 8, a heat-insulating layer 9 is arranged on the outer side of the fireproof heat-insulating layer 8, and a protective layer 10 is arranged on the other side of the fireproof heat-insulating layer 8 and the heat-insulating layer 9.

The fireproof heat-insulating layer 8 is connected with the heat-insulating layer 9 through the bonding layer 11, the protective layer 10 comprises anti-crack mortar 10.1, a steel wire mesh 10.2 is arranged inside the anti-crack mortar 10.1, and the steel wire mesh 10.2 is connected with the fireproof heat-insulating layer 8 and the heat-insulating layer 9 through expansion bolts 10.3. When the fireproof heat-insulating layer is used specifically, a 40 mm-thick mould foam A-grade fireproof heat-insulating strong board is adopted as the fireproof heat-insulating layer 8, a 55 mm-thick XPS extruded polystyrene board is adopted as the heat-insulating layer 9, a 5 mm-thick adhesive is adopted as the adhesive layer 11, and polymer anti-crack mortar with the thickness of 10mm is coated after the steel wire mesh 10.2 is fixed on the heat-insulating material to form the protective layer 9. The composite heat-insulating external template 2 adopts the anti-corrosion XPS extruded polystyrene board with low heat conductivity coefficient and low water absorption as the heat-insulating layer 9, has good heat-insulating effect, prevents water from permeating and has long service life. Adopt mould bubble A level fire prevention heat preservation powerful plate between insulation layer 9 and major structure, strengthen the heat preservation effect promptly, increased the fire prevention function again, the difficult transmission of heat produced the potential safety hazard indoor when outside insulation material is on fire. The steel wire mesh 10.2 increases the contact area of the polymer anti-crack mortar and the heat insulation material, so that the combination is more stable, and the internal heat insulation material can be effectively protected from being damaged.

The steel plate fireproof isolation belt 7 comprises an I-shaped steel plate 7.1, embedded bolts 7.2 penetrate through the top of the steel plate 7.1, and fireproof materials 7.3 are filled in the middle of the steel plate 7.1. During the specific use, at 2 top installation steel sheets 7.1 of compound incubation exterior sheathing, fill the fire prevention rock wool board at steel sheets 7.1, later continue to install compound incubation exterior sheathing 2 and fix with buried bolt 7.2 in advance at steel sheets 7.1 top. The utility model discloses a steel sheet 7.1 combines together with fire prevention rock wool board, can effectively prevent heat transfer to play the effect of back-fire relief, has increased major structure to insulation material's pulling force through pre-buried bolt 7.2, makes insulation construction more firm.

An inner formwork is arranged on the inner side of the reinforced concrete wall body 1, and the composite heat-insulation outer formwork 2 is connected with the inner formwork through a connecting piece 6. When the composite heat-insulation external formwork is used specifically, an internal formwork is erected on the inner side of the reinforced concrete wall 1 when the reinforced concrete wall is poured, the internal formwork is removed after the pouring is finished, the composite heat-insulation external formwork 2 does not need to be removed, and the composite heat-insulation external formwork is fixed with the reinforced concrete wall 1 through the connecting piece 6 and then is used permanently. The utility model discloses set up outer heat preservation construction and template and combine together, simplified construction process, shortened the time limit for a project, cancelled the outer template that needs demolish, reduced the material loss.

The connecting piece 6 includes split bolt 6.1, split bolt 6.1 is equipped with butterfly nut 6.2 in the inner formword outside, split bolt 6.1 is equipped with U type embedded steel groove 6.3 in the inner formword inboard. When the concrete wall is used, the inner and outer templates are fixed by the split bolts 6.1 and the butterfly nuts 6.2 before the reinforced concrete wall 1 is poured, and the U-shaped embedded steel grooves 6.3 are installed on the inner sides of the inner templates. And after the inner template is removed after pouring, the protruding part of the split bolt 6.1 is cut, and then the butterfly nut 6.2 is fixed in the U-shaped embedded steel groove 6.3. When the inner wall decoration layer 5 is constructed, the gaps in the U-shaped embedded steel grooves 6.3 are filled. The utility model discloses change the split bolt 6.1 of fixed die plate into being connected of outer heat preservation and major structure through handling after the form removal, labour saving and time saving has reduced the material loss.

In specific use, the composite heat-insulation external formwork is used as a pouring formwork when the reinforced concrete wall is poured, the device does not need to be dismantled after use, and the device is fixed through the connecting piece and then used as an external wall heat insulation. And the adhesive powder polyphenyl particle thermal insulation mortar with the thickness of 20mm is used as a bonding layer between the outer wall finish coat and the thermal insulation material, so that the thermal insulation function is enhanced, and the adhesive property is strong. The steel plate fireproof isolation band is arranged between the heat insulation materials to prevent combustion and heat transfer, and the steel plate part is embedded in the main body structure and serves as a support of the top heat insulation material. The fireproof heat-insulating layer prevents heat outside the outer wall from being transferred to the indoor space, and the protective layer isolates the heat-insulating material from the hard material to prevent the heat-insulating material from being damaged.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a heat preservation building structure, includes reinforced concrete wall body (1), its characterized in that: the composite heat-insulation outer formwork is characterized in that a composite heat-insulation outer formwork (2) is arranged on the outer side of the reinforced concrete wall (1), the composite heat-insulation outer formwork (2) is connected with the reinforced concrete wall (1) through a connecting piece (6), a binding layer (3) is arranged on the outer side of the composite heat-insulation outer formwork (2), an outer wall decorative surface layer (4) is arranged on the outer side of the binding layer (3), an inner wall decorative layer (5) is arranged on the inner side of the concrete wall (1), steel plate fire-proof isolation belts (7) are arranged in the middle of the composite heat-insulation outer formwork (2) at intervals, the composite heat-insulation outer formwork (2) comprises a fire-proof heat-insulation layer (8), a heat-proof layer (9) is arranged on the outer side of the fire-proof heat-insulation layer (8), and a protective layer (10) is arranged on the other side of the fire-proof heat-insulation layer (8) and the heat-proof layer (9).

2. An insulated building structure according to claim 1, characterized in that: fireproof heat preservation (8) are connected through adhesive linkage (11) with heat preservation (9), protective layer (10) are including anti-crack mortar (10.1), anti-crack mortar (10.1) inside is equipped with wire net piece (10.2), wire net piece (10.2) are connected through expansion bolts (10.3) with fireproof heat preservation (8) and heat preservation (9).

3. An insulated building structure according to claim 1, characterized in that: the steel plate fireproof isolation belt (7) comprises an I-shaped steel plate (7.1), embedded bolts (7.2) penetrate through the top of the steel plate (7.1), and fireproof materials (7.3) are filled in the middle of the steel plate (7.1).

4. An insulated building structure according to claim 1, characterized in that: the inner side of the reinforced concrete wall body (1) is provided with an inner template, and the composite heat-insulation outer template (2) is connected with the inner template through a connecting piece (6).

5. An insulated building structure according to claim 1, characterized in that: the connecting piece (6) comprises split bolts (6.1), butterfly nuts (6.2) are arranged on the outer sides of the inner formworks of the split bolts (6.1), and U-shaped embedded steel grooves (6.3) are formed in the inner sides of the inner formworks of the split bolts (6.1).