CN218643586U

CN218643586U - Bolted heat bridge joint of assembled wallboard structure

Info

Publication number: CN218643586U
Application number: CN202223107093.7U
Authority: CN
Inventors: 瞿燕; 陈湛; 王钰君; 胡国霞; 李海峰
Original assignee: East China Architectural Design and Research Institute Co Ltd
Current assignee: East China Architectural Design and Research Institute Co Ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-17
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a bolted connection heat bridge node of assembled wallboard structure sets up thermal-insulated gasket between connecting steel plate and concrete wall, reduces heat conduction speed, reduces the heat from the loss of connecting the position, has improved this department's internal surface temperature to reduce this department's internal surface and appear the hidden danger of condensation dewfall. In order to further reduce the heat conduction speed, inorganic heat-insulating mortar is also used for leveling the groove on the outer side. The utility model discloses a scheme flood relates to the material and is thermal-insulated gasket, inorganic heat preservation mortar, and it is building engineering conventional material, easily purchases, and the cost is lower.

Description

Bolted heat bridge joint of assembled wallboard structure

Technical Field

The utility model belongs to the technical field of the building and specifically relates to a bolted connection heat bridge node of assembled wallboard structure is related to.

Background

The prefabricated shear wall structure has the advantages of accelerating construction speed, reducing energy consumption, increasing engineering quality control, improving construction site environment, reducing shrinkage cracks and the like, is beneficial to improving the quality and efficiency of construction engineering in China, promotes the optimization and upgrading of the structure of the building industry, and is greatly promoted by China in recent years.

The key to the prefabricated shear wall structure is the effective connection node between the prefabricated components. At present, from the perspective of whether a large amount of secondary pouring is performed on a construction site, the joint connection mode can be divided into a wet connection mode and a dry connection mode. The dry type connection construction is quick and convenient, secondary irrigation on site is reduced, the construction is easy to maintain and can be repeatedly used, the advantage of building industrialization can be really reflected, and the method is a node connection mode which is more likely to be adopted by modern prefabricated structures. The bolt connection is one of main connection modes of an assembled concrete structure, is a connection technology for connecting an upper layer prefabricated member and a lower layer prefabricated member into a whole through a bolt rod piece and a nut, can be applied to non-earthquake-resistant structures or low earthquake-resistant fortification intensity or multi-layer buildings, is simple and convenient to construct and operate, and is a connection mode suitable for rural residences. The high-strength steel plates and bolts adopted at the existing bolt joints have high heat conductivity coefficient, and the heat transfer at the high-strength steel plates and bolts is quick, so that the heat insulation of the wall body is not facilitated.

Therefore, a solution for thermal bridge influence at the bolted joint needs to be provided.

It is noted that the information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bolted connection heat bridge node of assembled wallboard structure for it is higher to solve the high strength steel sheet and its material coefficient of heat conductivity of bolt that bolted connection department adopted among the prior art, and this department heat transfer is very fast, is unfavorable for the heat retaining problem of wall body.

In order to solve the technical problem, the utility model provides a bolted connection heat bridge node of assembled wallboard structure for the junction of two prefabricated building modules, the bolted connection heat bridge node of assembled wallboard structure includes:

the heat insulation gaskets are arranged in the grooves of the two prefabricated building modules, and first through holes are formed in the heat insulation gaskets;

the heat insulation gasket is arranged between the prefabricated building module and the steel plate, and a second through hole is formed in the steel plate;

and the bolt penetrates through the first through hole, the second through hole and the third through hole of the prefabricated building module and is used for connecting the two prefabricated building modules into a whole.

And the heat-preservation mortar layer is arranged in the groove, and the part of the bolt extending out of the prefabricated building module, the heat-insulation gasket and the steel plate are all embedded in the heat-preservation mortar layer.

Optionally, the thermal mortar layer comprises inorganic thermal mortar.

Optionally, the area of the heat insulating spacer is larger than the area of the steel plate.

Optionally, the first through hole, the second through hole and the third through hole are arranged in alignment.

Optionally, each prefabricated building module is provided with the third through hole.

Based on the same inventive concept, the utility model also provides an assembled wallboard structure, including prefabricated wallboard, prefabricated floor and prefabricated corner post, prefabricated wallboard, prefabricated floor and the junction between the prefabricated corner post adopts any one of the bolted connection heat bridge node of assembled wallboard structure in the above-mentioned feature description to connect.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses set up thermal-insulated gasket between connection steel sheet and concrete wall, reduce heat conduction speed, reduce the heat from the loss at connection position, improved this department's internal surface temperature to reduce this department's internal surface and appear the hidden danger of condensation dewfall. In order to further reduce heat conduction speed, still adopt inorganic heat preservation mortar to level the recess in the outside, the main thinking of this application scheme is the cooperation of thermal-insulated gasket and heat preservation mortar layer in order to realize reducing heat conduction speed's purpose.

The utility model discloses a scheme flood relates to the material and is thermal-insulated gasket, inorganic heat preservation mortar, and it is the conventional material of building engineering, easily purchases, and the cost is lower.

The utility model provides an assembled wallboard structure, with the bolted connection heat bridge node of assembled wallboard structure belongs to same invention design, consequently has the same beneficial effect, does not do the perk here.

Drawings

Fig. 1 is a schematic structural view of a bolted heat bridge node of an assembly wallboard structure according to an embodiment of the present invention;

wherein: 1-prefabricated building module, 2-steel plate, 3-bolt, 4-heat preservation mortar layer, 5-heat insulation gasket and 6-concrete filling layer.

Detailed Description

The following description of the embodiments of the present invention will be made in more detail with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1, an embodiment of the present invention provides a bolted thermal bridge joint of an assembled wallboard structure, which is used for the joints of two prefabricated building modules 1, and the bolted thermal bridge joint of the assembled wallboard structure includes:

the heat insulation gaskets 5 are arranged in the grooves of the two prefabricated building modules 1, and first through holes are formed in the heat insulation gaskets 5;

the steel plate 2, the heat insulation gasket 5 is arranged between the prefabricated building module 1 and the steel plate 2, and a second through hole is formed in the steel plate 2;

and the bolts 3 penetrate through the first through holes, the second through holes and the third through holes of the prefabricated building modules 1 and are used for connecting the two prefabricated building modules 1 into a whole.

The heat preservation mortar layer 4, the heat preservation mortar layer 4 sets up in the recess, the part that bolt 3 stretches out prefabricated building module 1, heat insulating gasket 5 and steel sheet 2 all bury underground in the heat preservation mortar layer 4.

Different with prior art, the embodiment of the utility model provides a bolted connection heat bridge node of assembled wallboard structure sets up thermal-insulated gasket 5 between connecting steel plate 2 and the concrete wall, reduces heat conduction speed, reduces the heat and from the loss at connection position, has improved this department's internal surface temperature to reduce this department's internal surface and appear the hidden danger of condensation dewfall. In order to further reduce the heat conduction speed, inorganic heat-insulating mortar is also used for leveling the groove on the outer side. The embodiment of the utility model provides a scheme flood relates to the material and is thermal-insulated gasket, heat preservation mortar layer, and it is the conventional material of building engineering, easily purchases, and the cost is lower.

In order to further reduce the heat conduction speed, inorganic heat-insulating mortar is also used for leveling the groove on the outer side. Specifically, in this embodiment, the thermal mortar layer 4 includes inorganic thermal mortar.

Specifically, in the present embodiment, a concrete filling layer 6 is further included;

the concrete filling layer 6 is arranged in the gap between two prefabricated building modules 1.

Specifically, in the present embodiment, the steel plate 2 is an arc-shaped steel plate 2.

Specifically, in the present embodiment, the area of the heat insulating spacer 5 is larger than the area of the steel plate 2.

Specifically, in this embodiment, the first through hole, the second through hole, and the third through hole are aligned.

Specifically, in this embodiment, each prefabricated building module 1 is provided with the third through hole.

In particular, in the present embodiment, the prefabricated building modules 1 include prefabricated wall panels, prefabricated floor panels or prefabricated corner posts.

For reducing the influence of dry-type 3 junctions heat bridge, the utility model discloses in, after two prefabricated wallboard hoists to target in place, should all fix thermal-insulated gasket 5 in the node both sides in advance in the place that needs installation connecting steel plate 2 earlier, thermal-insulated gasket 5 long-pending should be a bit more than the area of house type steel plate 2, guarantee that steel plate 2 can not with prefabricated wallboard direct contact. Then connect adjacent wallboard through arc steel sheet 2 and high strength bolt 3 again, later use inorganic heat preservation mortar floating groove, strengthen the junction thermal insulation performance.

Based on the same inventive concept, the embodiment of the utility model also provides an assembled wallboard structure, including prefabricated wallboard, prefabricated floor and prefabricated corner post, prefabricated wallboard, prefabricated floor and the junction between the prefabricated corner post adopt any one of the bolted connection heat bridge node of assembled wallboard structure in the above-mentioned feature description to connect.

1. the utility model discloses set up thermal-insulated gasket between connection steel sheet and concrete wall, reduce heat conduction speed, reduce the heat from the loss at connection position, improved this department's internal surface temperature to reduce this department's internal surface and appear the hidden danger of condensation dewfall.

2. In order to further reduce the heat conduction speed, inorganic heat-insulating mortar is also used for leveling the groove on the outer side.

3. The utility model discloses a scheme flood relates to the material and is thermal-insulated gasket, inorganic heat preservation mortar, and it is building engineering conventional material, easily purchases, and the cost is lower.

The utility model provides an assembled wallboard structure, with the bolted connection heat bridge node of assembled wallboard structure belongs to same invention design, consequently has the same beneficial effect, does not do here and gives unnecessary details.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example" or "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. And the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.

Claims

1. The utility model provides a bolted connection heat bridge node of assembled wallboard structure which characterized in that for the junction of two prefabricated building modules, the bolted connection heat bridge node of assembled wallboard structure includes:

the bolt penetrates through the first through hole, the second through hole and the third through hole of the prefabricated building module and is used for connecting the two prefabricated building modules into a whole;

2. The bolted thermal bridge joint of an assembled wallboard structure of claim 1, wherein said insulating mortar layer comprises an inorganic insulating mortar.

3. A bolted thermal bridge node of an assembled wallboard structure as claimed in claim 1, wherein said insulating spacer has an area greater than an area of said steel plate.

4. The bolted thermal bridge node of assembled wallboard structure of claim 1, wherein said first through hole, said second through hole, and said third through hole are aligned.

5. A bolted thermal bridge joint of assembled wall panel structure as claimed in claim 1, wherein said third through hole is provided in each of said prefabricated building modules.

6. An assembled wallboard structure, characterized in that, including prefabricated wallboard, prefabricated floor and prefabricated corner post, the junction between prefabricated wallboard, prefabricated floor and prefabricated corner post adopts the bolted heat bridge node of assembled wallboard structure of any one of claims 1-5 to connect.