CN215670754U

CN215670754U - Floor ground heat preservation sound insulation structure

Info

Publication number: CN215670754U
Application number: CN202121411234.7U
Authority: CN
Inventors: 蔡新华; 俞云龙; 李玉春
Original assignee: Shanghai Yueda Energy Saving Technology Co ltd
Current assignee: Shanghai Yueda Energy Saving Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-01-28
Anticipated expiration: 2031-06-24

Abstract

The utility model provides a floor ground heat-insulating and sound-insulating structure which comprises a floor base layer, wherein a base layer interface agent coating, a hard foam polyurethane layer, a concrete protective layer and a decorative layer are sequentially arranged above the floor base layer; the upper surface on rigid foam polyurethane layer, the tip on concrete protective layer and the juncture of building are provided with vertical median, and the intermediate level on concrete protective layer is equipped with the reinforcing bar net, and the centre on rigid foam polyurethane layer is equipped with wooden keel frame net, and wooden keel frame net is including the fixed plank of cross-linking of each other, has filled up rubber sound insulation gasket between plank and the floor basic unit. The wood keel frame mesh can provide a rigid foam polyurethane layer for reinforcing and supporting, and prevents the keel from being in direct contact with a floor base layer, thereby reducing the transmission of sound waves. The hard foam polyurethane layer can improve the heat preservation and sound insulation effects. The vertical isolation belt can effectively play a role in isolating the acoustic bridge, weaken the transmission of sound waves and enhance the sound insulation effect. The structure is simple and easy to construct, and can meet diversified decoration requirements.

Description

Floor ground heat preservation sound insulation structure

Technical Field

The utility model belongs to the technical field of building materials, and particularly relates to a floor ground heat-preservation and sound-insulation structure.

Background

With the acceleration of the urbanization development process, the population of urban living is increased rapidly, so that the expansion of urban living space and the popularity of high-rise residences are caused, and living noise among neighborhoods can greatly influence the living quality of residents. In order to meet the development of sustainable development, the concept of 'green buildings' is responded, relevant standards and specifications are made in succession in each province and city, and higher requirements are provided for the ground sound insulation performance of the building, however, the sound insulation effect of the floor slab in most of the current building designs cannot meet the requirements. Therefore, it is an urgent problem to improve the sound insulation performance of residential buildings.

Meanwhile, under the condition that no ground heat preservation measures are taken for the building, energy generated by refrigerating and heating equipment such as an air conditioner floor heating system and the like can be lost to households and the outside through the floor slab, the electric power expense of residents is increased, and energy waste and environmental pollution can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a floor ground heat-insulation sound-insulation structure which gives consideration to heat insulation and sound insulation.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a floor ground heat-insulation sound-insulation structure comprises a floor base layer, wherein a base layer interface agent coating, a hard foam polyurethane layer, a concrete protective layer and a decorative layer are sequentially arranged above the floor base layer; the upper surface on rigid foam polyurethane layer the juncture of the tip on concrete protective layer and building is provided with vertical median, the intermediate level on concrete protective layer is equipped with the reinforcing bar net, the centre on rigid foam polyurethane layer is equipped with wooden keel frame net, wooden keel frame net is including the fixed plank of cross-linking of each other, the plank with it has rubber sound-insulating gasket to fill up between the floor basic unit.

The utility model is further configured such that the wood joist frame mesh comprises transverse and longitudinal plates secured together by screws.

The utility model is further arranged in that the top surface of the concrete protective layer is provided with a plurality of grooves.

The utility model is further configured that the base interfacial agent coating is a chemical high molecular polymer coating and is roll-coated or brushed on the upper surface of the floor slab base.

The utility model is further provided that the thickness of the rigid polyurethane foam layer is 10-20 mm.

The utility model is further arranged in such a way that the vertical isolation belt is made of cross-linked polyethylene and is arranged in a self-adhesive or building adhesive sticking way.

The utility model is further provided that the height of the vertical isolation strip is the sum of the heights of the concrete protective layer and the facing layer.

The utility model is further set that the reinforcing mesh is a bidirectional steel mesh connected in a welding mode.

The utility model is further set that the concrete protective layer is fine stone concrete and is poured on the rigid foam polyurethane layer.

The utility model further provides that the thickness of the concrete protective layer is not less than 40 mm.

The floor ground heat preservation and sound insulation structure has the following beneficial effects: the structure can integrate sound insulation design specifications and thermal engineering design specifications and simultaneously meet the performance requirements of heat preservation and sound insulation of the ground of the building. The wood joist frame net can strengthen the support for providing the rigid foam polyurethane layer, and avoids direct contact of the joist and the floor base layer, and reduces the transmission of sound waves. The hard foam polyurethane layer has better continuity and can improve the heat preservation and sound insulation effects. The vertical isolation belt can effectively play a role in isolating the acoustic bridge, weaken the transmission of sound waves and enhance the sound insulation effect. The structure is simple and easy to construct, and can meet diversified decoration requirements.

Drawings

FIG. 1 is a heat-insulating and sound-insulating structure for floor ground of the present invention;

figure 2 is a bottom view of a wood keel frame mesh.

Wherein, 1, a floor base layer; 2. a base layer interfacial agent coating; 3. a rigid foam polyurethane layer; 4. a rubber sound-insulating spacer; 5. a longitudinal plate; 6. a vertical isolation belt; 7. a reinforcing mesh; 8. a concrete protective layer; 9. a finishing layer; 10. a transverse plate; 11. and (4) a groove.

Detailed Description

The present invention will be described in further detail with reference to specific embodiments thereof, which are illustrated in the accompanying drawings.

Referring to fig. 1, a floor ground heat preservation sound insulation structure includes a floor base layer 1, and a base layer interface agent coating 2, a hard foam polyurethane layer 3, a concrete protective layer 8 and a finish coat 9 are sequentially arranged above the floor base layer 1. Vertical isolation belts 6 are arranged at the junctions of the upper surface of the rigid polyurethane layer 3, the end part of the concrete protective layer 8 and the building, and a reinforcing mesh 7 is arranged in the middle layer of the concrete protective layer 8. The middle of the rigid foam polyurethane layer 3 is provided with a wood keel frame net which comprises mutually cross-linked and fixed wood boards and can strengthen the support for providing the rigid foam polyurethane layer 3. A rubber sound-insulation gasket 4 is arranged between the wood board and the floor base layer 1 in a padding mode, so that direct contact between the keel and the floor base layer 1 is avoided, and transmission of sound waves is reduced. In particular, and with reference to figure 2, one form of wood joist framing mesh comprises transverse 10 and longitudinal 5 plates secured together by screws.

Further, the top surface of the concrete protection layer 8 is provided with a plurality of grooves 11 so as to increase the bonding area with the veneer layer 9 and increase the bonding effect.

The base interfacial agent coating 2 is a chemical high molecular polymer coating, and is roll-coated or brushed on the upper surface of the floor base 1 to prevent adverse effects such as dust scum, shrinkage cracking and the like, so that the strength of the floor base 1 can be effectively improved, and the floor base 1 can be effectively sealed.

The thickness of the rigid foam polyurethane layer 3 is 10-20mm, so that the requirements of heat preservation and sound insulation can be met. In this embodiment, preferably, the hard foam polyurethane layer 3 is disposed on the base layer interface agent coating 2 by a field spraying foaming process, so as to ensure the continuity of the material and improve the heat preservation and sound insulation effects.

The vertical isolation belt 6 is made of cross-linked polyethylene and arranged in a self-adhesion or building adhesive sticking mode, and the main function of the vertical isolation belt is to weaken the transmission of sound waves, so that a better sound insulation effect is ensured. Further, the height of the vertical isolation belt 6 is the sum of the heights of the concrete protection layer 8 and the facing layer 9. In this embodiment, it is preferable that the vertical isolation strip 6 is reserved before the concrete protective layer 8 is installed, and the reserved position is at the joint of the horizontal floor base 1 and the vertical structure of the building, so as to ensure flexible connection between the floor base 1 and the vertical structure. Vertical structures include walls, columns, equipment supports, and the like.

The reinforcing mesh 7 is a bidirectional steel wire mesh connected in a welding mode. In this embodiment, it is preferable that the mesh reinforcement 7 is provided with spacers or finished brackets under it during the laying process to ensure that the mesh reinforcement 7 is located in the middle layer of the concrete cover 8.

The concrete protective layer 8 is fine stone concrete and is poured on the rigid foam polyurethane layer 3. In this embodiment, the concrete protective layer 8 is made of fine stone concrete and is poured on the rigid foam polyurethane layer 3, and the concrete is carefully vibrated during pouring to avoid damaging the rigid foam polyurethane layer 3. Further, the thickness of the concrete protective layer 8 is not less than 40 mm.

The finishing layer 9 is arranged according to the later decoration requirement.

The above are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any equivalent replacement or change made by those skilled in the art based on the present invention is within the scope of the present invention.

Claims

1. A floor ground heat preservation and sound insulation structure comprises a floor base layer, and is characterized in that a base layer interface agent coating, a hard foam polyurethane layer, a concrete protective layer and a decorative layer are sequentially arranged above the floor base layer; the upper surface on rigid foam polyurethane layer the juncture of the tip on concrete protective layer and building is provided with vertical median, the intermediate level on concrete protective layer is equipped with the reinforcing bar net, the centre on rigid foam polyurethane layer is equipped with wooden keel frame net, wooden keel frame net is including the fixed plank of cross-linking of each other, the plank with it has rubber sound-insulating gasket to fill up between the floor basic unit.

2. The thermal insulation and sound insulation structure for floors as claimed in claim 1, wherein the wood joist frame mesh comprises a horizontal plate and a vertical plate fixed together by screws.

3. The thermal insulation and sound insulation structure for floor of claim 1, wherein the top surface of the concrete protective layer is provided with a plurality of grooves.

4. The thermal insulation and sound insulation structure for floor of claim 1, wherein the base interfacial agent coating is a chemical polymer coating.

5. The thermal insulation and sound insulation structure for the floor surface of the floor as claimed in claim 1, wherein the thickness of the rigid polyurethane foam layer is 10-20 mm.

6. The floor ground heat-insulating and sound-insulating structure as claimed in claim 1, wherein the vertical isolation strip is made of cross-linked polyethylene.

7. The floor ground heat-insulating and sound-insulating structure as claimed in claim 1, wherein the height of the vertical isolation strip is the sum of the heights of the concrete protective layer and the facing layer.

8. The floor ground heat-insulating and sound-insulating structure as claimed in claim 1, wherein the reinforcing mesh is a bidirectional steel mesh connected by welding.

9. The floor ground heat-insulating and sound-insulating structure as claimed in claim 1, wherein the concrete protective layer is fine stone concrete.

10. The thermal insulation and sound insulation structure for floor of claim 1, wherein the thickness of the concrete protective layer is not less than 40 mm.