CN215211610U - A heat-proof bridge expansion bolts auxiliary structure for thick thermal insulation wall is fixed - Google Patents

A heat-proof bridge expansion bolts auxiliary structure for thick thermal insulation wall is fixed Download PDF

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Publication number
CN215211610U
CN215211610U CN202120551186.5U CN202120551186U CN215211610U CN 215211610 U CN215211610 U CN 215211610U CN 202120551186 U CN202120551186 U CN 202120551186U CN 215211610 U CN215211610 U CN 215211610U
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China
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wall
heat
thermal insulation
expansion bolts
expansion bolt
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CN202120551186.5U
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Inventor
叶妮
范伟锋
马武兴
黄斌
伍志国
雷卫良
陈平
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Zhuhai China Construction Xingye Green Building Design Institute Co ltd
Zhuhai Xingye Energy Saving Science And Technology Co ltd
Shuifa Xingye Energy Zhuhai Co Ltd
Zhuhai Singyes Renewable Energy Technology Co Ltd
Zhuhai Singyes Green Building Technology Co Ltd
Original Assignee
Zhuhai China Construction Xingye Green Building Design Institute Co ltd
Zhuhai Xingye Energy Saving Science And Technology Co ltd
Shuifa Xingye Energy Zhuhai Co Ltd
Zhuhai Singyes Green Building Technology Co Ltd
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Abstract

The utility model discloses a prevent heat bridge expansion bolts auxiliary structure for thick thermal insulation wall is fixed, include through extension expansion bolts fix the installed object that has thick thermal insulation layer structure wall, hug closely the wall by installed object one side, be equipped with thermal-insulated gasket, plain washer and spring washer between opposite side and extension expansion bolts's the nut, when extension expansion bolts passed wall and heat preservation, outside cover had auxiliary device, and auxiliary device and installed and be equipped with the thermal-insulated gasket of second between the object. In this way, the utility model discloses make and to use the conventional extension expansion bolts in market, only set up the deep hole on the wall body surface in the fixed course, furthest has reduced the destruction to the wall body heat preservation, has improved the efficiency of construction greatly, greatly reduced utilize the heat bridge effect that traditional fixed mode formed, guaranteed the thermal insulation performance of wall body.

Description

A heat-proof bridge expansion bolts auxiliary structure for thick thermal insulation wall is fixed
Technical Field
The utility model relates to a fixed knot constructs technical field, especially has thick thermal insulation wall's objects such as support installation in the construction fixed, specifically is a thermal-protective bridge expansion bolts auxiliary structure for thick thermal insulation wall is fixed.
Background
With the rapid development of economy and society, the energy situation is increasingly severe, green buildings in China are continuously and deeply promoted, the energy-saving requirement of building energy conservation on building envelope structures is continuously improved, the limit value requirement of the heat transfer coefficient of the building envelope structures is gradually improved, and the requirement means that thicker heat-insulating layers or more efficient heat-insulating systems are laid on building walls.
The current building wall heat preservation generally adopts the outer brush grout of cystosepiment to make, and the surface is softer, when needs when objects such as building wall fixed bolster, if adopt conventional expansion bolts to fix, when screwing up by the installation object with the nut, by the heat preservation that the installation object can press to laying on the building wall, after the heat preservation can not bear external force, the cystosepiment that leads to the heat preservation sinks, and the grout layer on its surface is cracked. Therefore, the conventional method is to open the heat-insulating layer and fix the installed object and then recover the damaged heat-insulating layer, and the method has the following problems:
firstly, the construction quantity is large, a part of the building wall heat insulation layer is dug according to the space required by the installed object, the heat insulation layer is restored after the installation is finished, if the building wall is the outer wall, the heat insulation layer is damaged, the building wall is not restored in time, the building wall is easy to enter water when raining suddenly, and particularly, the building wall is frozen into a whole piece after being soaked in water in winter, so that the danger that the whole piece falls off is easily caused;
secondly, the installed object is usually directly anchored on the wall, if the installed object is a metal member, and the bolt is also metal, the heat conductivity is better, and a thermal bridge phenomenon is generated at a part without thermal bridge prevention treatment due to the temperature difference between the inside and the outside of the building through the metal member and the fixing bolt to form a heat exchange channel, so that the heat (cold) consumption in the building is increased, and the energy cost is increased.
Patent CN 201924544U discloses an expansion bolt for installing on a wall with a thermal insulation layer, which can make the object to be installed bear on the expansion bolt without generating pressure on the thermal insulation layer of the wall, but is not mass produced and is difficult to purchase on the market, so it is necessary to design an auxiliary device with simple structure and capable of being processed in batch at the construction site, so as to solve the above-mentioned problems of using conventional expansion bolts on the wall with a thick thermal insulation layer.
Disclosure of Invention
The utility model discloses the technical problem of main solution provides a heat protection bridge expansion bolts auxiliary structure for thick thermal insulation wall is fixed, is atred in expansion bolts auxiliary structure by the installation thing, can not be to the heat preservation production pressure on the wall body, can solve the problem that the inside heat consumption of building that the traditional mounting means construction volume of proposing is big, heat conductivility better causes increases in the above-mentioned background art simultaneously.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a prevent heat bridge expansion bolts auxiliary structure for thick thermal insulation wall is fixed, a serial communication port, include through extension expansion bolts fix the installed object that has thick thermal insulation layer structure wall, the wall is hugged closely by installed object one side, is equipped with thermal-insulated gasket, plain washer and spring washer between opposite side and extension expansion bolts's the nut, when extension expansion bolts passed wall and wall insulation layer, outside cover had auxiliary device, and auxiliary device and by being equipped with the thermal-insulated gasket of second between the installed object.
The auxiliary device comprises a first sealing plate, a second sealing plate and a round steel tube, and the first sealing plate, the second sealing plate and the round steel tube are connected in a welding mode.
The length of the auxiliary device is the same as the thickness of the wall heat-insulating layer.
The outer diameter of the first sealing plate is the same as that of the round steel tube, and the outer diameter of the second sealing plate is larger than that of the round steel tube.
And a second bolt hole is formed in the first sealing plate, the diameter of the second bolt hole is larger than the outer diameter of the main screw rod of the expansion bolt and smaller than the expansion bolt sleeve, a third bolt hole is formed in the second sealing plate, and the size of the second bolt hole is consistent with that of the third bolt hole.
The utility model has the advantages that: can use the conventional extension expansion bolts that market bought easily, only set up the deep hole on the wall body surface in fixed process, furthest has reduced the destruction to the wall body heat preservation, has improved the efficiency of construction greatly, greatly reduced utilize the heat bridge effect that traditional fixed mode formed, guaranteed the thermal insulation performance of wall body.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention; fig. 2 is a schematic structural view of the auxiliary device 3 shown in fig. 1.
The reference numbers illustrate: 11 an object to be mounted; 12 a first bolt hole; 21 lengthening the expansion bolt; 22 a nut; 3 an auxiliary device; 31 a second bolt hole; 32 a first closure plate; 33, round steel pipes; 34 a second closure plate; 35 third bolt hole; 41 a spring washer; a 42 flat washer; 51 a first insulating spacer; 52 a second insulating spacer; 61 wall surface; 62, insulating layer of wall; 63 a structural wall.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention.
The embodiment of the application provides a thermal bridge expansion bolts auxiliary structure prevents that is used for thick thermal insulation wall to fix.
Referring to fig. 1, in the embodiment, the following features are: the method comprises the steps that an installed object 11 with a thick wall insulation layer 62 structure wall 63 is fixed through a lengthened expansion bolt 21, one side of the installed object 11 is tightly attached to a wall surface 61, a first heat insulation gasket 51, a flat gasket 42 and a spring gasket 41 are arranged between the other side of the installed object 11 and a nut 22 of the lengthened expansion bolt 21, when the lengthened expansion bolt 21 penetrates through the wall surface 61 and the wall insulation layer 62, an auxiliary device 3 is sleeved outside the lengthened expansion bolt, and a second heat insulation gasket 52 is arranged between the auxiliary device 3 and the installed object 11.
When the device is used, a deep hole is drilled on a structural wall 63, then the hole is cleaned, the lengthened expansion bolt 21, the auxiliary device 3 and the second heat insulation gasket 52 are sequentially placed, the first bolt hole 12 of the object to be installed 11 is aligned with the lengthened expansion bolt 21 and tightly attached to the wall surface 61, the first heat insulation gasket 51, the flat gasket 42 and the spring gasket 41 are sequentially placed, the nut 22 is screwed, the expansion pipe is expanded at the moment, the lengthened expansion bolt 21 is fixed in the drilled hole, the nut 22 tightly presses the object to be installed 11 on the outer side surfaces of the auxiliary device 3 and the second heat insulation gasket 52, and therefore the object to be installed 11 is fixed on the lengthened expansion bolt 21.
Further, the structure of the auxiliary device 3 is as shown in fig. 2, and includes a first sealing plate 32, a second sealing plate 34 and a circular steel tube 33, which are connected by welding, and the length of the auxiliary device 3 is the same as the thickness of the wall insulating layer 62. The outer diameter of the first sealing plate 32 is the same as that of the round steel tube 33, and the outer diameter of the second sealing plate 34 is larger than that of the round steel tube 33, so that the design can reduce the pressure stress of the pressure bearing surface to protect the surface of the connected piece; the first sealing plate 32 is provided with a second bolt hole 31, the second sealing plate 34 is provided with a third bolt hole 35, the second bolt hole 31 and the third bolt hole 35 are identical in size, and the bolt hole size is limited to the main body screw of the expansion bolt 21. By applying the auxiliary device 3, the pressure applied by the nut 22 on the wall insulation layer 62 can be effectively supported, so that the pressure is not generated on the wall insulation layer 62. The whole process can be constructed quickly, a part of building wall heat-insulating layer is not dug out firstly, and the longer construction process of the heat-insulating layer is recovered after the whole installation is finished, so that the damage to the wall heat-insulating layer is reduced to the maximum extent, and the construction efficiency is greatly improved.
Further, when being the metal support by installation thing 11, based on this structural design, in this embodiment, the utility model discloses by direct contact between installation thing 11 and the structure wall 63, and auxiliary device 3 that forms the only passageway of heat bridge and by having set up second heat insulating gasket 52 between installation thing 11, by being equipped with first heat insulating gasket 51 between the opposite face of installation thing 11 and nut 22, through wall heat preservation 62 and the recess on heat insulating gasket surface at auxiliary device 3 that forms the heat bridge and by between installation thing 11, nut 22 and by having formed relative confined air space between installation thing 11, consequently can satisfy design and the construction high requirement of passive building wall body energy-conservation, greatly reduced the heat bridge effect that utilizes traditional fixed mode to form, the thermal insulation performance of wall body has been guaranteed, building energy efficiency is improved.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (5)

1. The utility model provides a prevent heat bridge expansion bolts auxiliary structure for thick thermal insulation wall is fixed which characterized in that: the method comprises the steps that an installed object 11 with a thick wall insulation layer 62 structure wall 63 is fixed through a lengthened expansion bolt 21, one side of the installed object 11 is tightly attached to a wall surface 61, a first heat insulation gasket 51, a flat gasket 42 and a spring gasket 41 are arranged between the other side of the installed object 11 and a nut 22 of the lengthened expansion bolt 21, when the lengthened expansion bolt 21 penetrates through the wall surface 61 and the wall insulation layer 62, an auxiliary device 3 is sleeved outside the lengthened expansion bolt, and a second heat insulation gasket 52 is arranged between the auxiliary device 3 and the installed object 11.
2. The auxiliary structure of the heat-proof bridge expansion bolt for fixing the thick thermal insulation wall body according to claim 1, wherein: the auxiliary device 3 comprises a first closing plate 32, a second closing plate 34 and a round steel tube 33, and the first closing plate, the second closing plate and the round steel tube are connected in a welding mode.
3. The auxiliary structure of the heat-proof bridge expansion bolt for fixing the thick thermal insulation wall body as claimed in claim 2, wherein: the length of the auxiliary device 3 is the same as the thickness of the wall insulation layer 62.
4. The auxiliary structure of the heat-proof bridge expansion bolt for fixing the thick thermal insulation wall body as claimed in claim 2, wherein: the outer diameter of the first sealing plate 32 is the same as that of the round steel tube 33, and the outer diameter of the second sealing plate 34 is larger than that of the round steel tube 33.
5. The auxiliary structure of the heat-proof bridge expansion bolt for fixing the thick thermal insulation wall body as claimed in claim 2, wherein: the first sealing plate 32 is provided with a second bolt hole 31, the diameter of the second bolt hole 31 is larger than the outer diameter of the main screw of the expansion bolt 21 and smaller than the sleeve of the expansion bolt 21, the second sealing plate 34 is provided with a third bolt hole 35, and the size of the second bolt hole 31 is consistent with that of the third bolt hole 35.
CN202120551186.5U 2021-03-17 2021-03-17 A heat-proof bridge expansion bolts auxiliary structure for thick thermal insulation wall is fixed Active CN215211610U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120551186.5U CN215211610U (en) 2021-03-17 2021-03-17 A heat-proof bridge expansion bolts auxiliary structure for thick thermal insulation wall is fixed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120551186.5U CN215211610U (en) 2021-03-17 2021-03-17 A heat-proof bridge expansion bolts auxiliary structure for thick thermal insulation wall is fixed

Publications (1)

Publication Number Publication Date
CN215211610U true CN215211610U (en) 2021-12-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120551186.5U Active CN215211610U (en) 2021-03-17 2021-03-17 A heat-proof bridge expansion bolts auxiliary structure for thick thermal insulation wall is fixed

Country Status (1)

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CN (1) CN215211610U (en)

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