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Heat bridge breaking screwed fitting and heat bridge breaking method

A threaded connection and heat insulation technology, applied in the field of building insulation, can solve the problems of indoor heat loss and large thermal conductivity, and achieve the effects of light weight, low thermal conductivity and low heat transfer added value

Pending Publication Date: 2018-11-02
SHENYANG JIANZHU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the building envelope structure, some rainwater pipe connectors and air-conditioning bracket connectors that pass through the insulation layer are usually metal products. Due to the high thermal conductivity of metal products, indoor heat will be lost to the outside through the connectors.

Method used

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  • Heat bridge breaking screwed fitting and heat bridge breaking method
  • Heat bridge breaking screwed fitting and heat bridge breaking method
  • Heat bridge breaking screwed fitting and heat bridge breaking method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A thermally broken bridge approach such as figure 2 As shown, the heat-breaking bridge threaded connector 3 is used to block the connection heat bridge between the pre-connected external component 4 and the cast-in-place concrete member 5; Buried and fixed in the cast-in-place concrete component 5, and the pre-embedded depth is set according to the mechanical requirements, and then the other end of the heat-insulating bridge threaded connector 3 is fixed to the pre-connected external component 4, and the fastener is the same as the heat-insulating bridge. The bridge threaded connector 3 matches the nut 6 .

Embodiment 2

[0034] A thermally broken bridge approach such as image 3 As shown, the heat-breaking bridge threaded connector 3 is used to block the connection thermal bridge between the pre-connected external component 4 and the prefabricated concrete component 7; Embed expansion bolts 8 or chemical anchors equal to the diameter of the openings in the openings, and then use double-pass long nuts 9 to securely connect one end of the heat-breaking bridge threaded connector 3 with expansion bolts 8 or chemical anchors, and finally The other end of the heat-breaking bridge threaded connection 3 is fixedly connected to the pre-connected external component 4 , and the fastener is a nut 6 matching with the heat-breaking bridge threaded connection 3 .

Embodiment 3

[0036] A thermally broken bridge approach such as Figure 4 As shown, the heat-breaking bridge threaded connector 3 is used to block the connection thermal bridge between the pre-connected external component 4 and the sheet metal component 10; Then pass one end of the heat-breaking bridge threaded connector 3 through the opening, and then firmly connect the heat-breaking bridge threaded connector 3 with the metal plate member 10, and the fasteners are matched with the heat-breaking bridge threaded connector 3 Nut 6 , and finally fix the other end of the heat-breaking bridge threaded connector 3 to the pre-connected external member 4 , and the fastener is the nut 6 that matches the heat-breaking bridge threaded connector 3 .

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Abstract

The invention relates to a heat bridge breaking threaded fastener and a heat bridge breaking method. The fastener comprises a carrying steel and a coating sleeve pipe, wherein the coating sleeve pipeis fixedly sleeved on the carrying bar; the coating sleeve pipe and the carrying steel form an integrated injection molding structure; an external thread is arranged on the outer surface of the coating sleeve pipe; the carrying bar is made of a fiber composite material; the coating sleeve pipe is made of a plastic material. The heat bridge breaking method adopts the heat bridge breaking threaded fastener provided by the invention. The heat bridge breaking threaded fastener provided by the invention can replace a traditional metal bolt and a traditional metal screw rod so as to be used as the carrying fastener in a building, so that the heat transfer can be effectively cut off, a heat transfer increasing value on a system is lower, and a good heat bridge breaking function can be realized; the heat bridge breaking threaded fastener provided by the invention particularly adopts the plastic material and the fiber composite material, so that the characteristics of ageing resistance and corrosion prevention of the plastic material can be fully utilized, and meanwhile, the characteristics of low heat conductivity coefficient, light mass and high strength of the fiber composite material can be fully utilized.

Description

technical field [0001] The invention belongs to the technical field of building heat preservation, and in particular relates to a threaded connector of a thermal break bridge and a method for the thermal break bridge. Background technique [0002] Building thermal bridges refer to reinforced concrete or metal beams / columns / ribs / fittings and other parts in the enclosure structures such as exterior walls and roofs. Due to the strong heat transfer capacity of these parts, the heat flow is relatively dense, and the inner surface temperature is relatively low. called a thermal bridge. [0003] In the building envelope structure, some rainwater pipe connectors and air-conditioning bracket connectors passing through the insulation layer are usually metal products. Due to the high thermal conductivity of metal products, indoor heat will be lost to the outside through the connectors. [0004] Therefore, it is particularly important to develop a thermal break bridge connector. Cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/76E04B1/41
CPCE04B1/41E04B1/76
Inventor 夏晓东
Owner SHENYANG JIANZHU UNIVERSITY
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