Wall bottom joint node structure for heat preservation closed broken bridge
By setting up multiple sealed structures and bolted fixed connections on the low wall, the problem of insulation and sealed broken bridges at the bottom of the low wall in the steel structure is solved, and effective sealing and structural stability are achieved in severe cold environments to avoid cold bridges and leakage.
Patent Information
- Application Number
- CN202422073303.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-26
AI Technical Summary
In the construction of steel structures, the problem of insulation and sealing broken bridges at the bottom of the low wall of the wall panel leads to cold bridge phenomena and leakage in severe cold environments, and existing sealing operations are difficult to effectively solve.
The bottom steel trough, exterior wall panel, first steel trough, second steel trough and insulation board are arranged on the low wall, and foam glue is filled inside, fixedly connected by bolts to form a multiple sealed structure, including the bonding of insulation cotton and insulation board, and the expansion of foam glue is used to enhance the sealing property.
Effectively avoid cold bridge phenomenon, improve the waterproof performance at the junction and adaptability to severe cold environments, ensure the stability and sealing of the structure, and prevent leakage.
Smart Images

Figure CN223074965U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel structures, in particular to a node structure at the joint of the bottom of a wall for a thermal insulation and airtight broken bridge. Background Art
[0002] In the construction of steel structures, if the problem of thermal insulation and airtight broken bridge is not well handled at the bottom of the low wall of the steel structure wall panel, it is bound to cause leakage at the bottom of the low wall. Therefore, during construction, sealing operations will be carried out at the joints.
[0003] In the face of a severe cold environment, the existing sealing operation at the joint is prone to the occurrence of cold bridges, which in turn easily leads to leakage at the joint. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a node structure at the joint of the bottom of a wall for a thermal insulation and airtight broken bridge, which can perform efficient airtight thermal insulation operations, avoid the occurrence of cold bridges, and thus avoid leakage at the joint.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] A node structure at the joint of the bottom of a wall for a thermal insulation and airtight broken bridge, including a low wall, a bottom steel channel is installed on the upper end surface of the low wall, an exterior wall panel is installed on the upper surface of the bottom steel channel, a first steel channel is installed on the outer surface of the bottom steel channel, a second steel channel is installed on the outer surface of the first steel channel, a thermal insulation board is installed on the outer surface of the second steel channel, and thermal insulation cotton is pasted on the upper surface of the bottom steel channel.
[0007] By adopting the above technical solutions, a sealed heat insulation layer can be formed between the exterior wall panel and the low wall, which can effectively avoid the occurrence of cold bridges at the joint, and further ensure the waterproof performance of the joint and the ability to adapt to a severe cold environment.
[0008] Further, the inside of the first steel channel is filled with foam glue.
[0009] By adopting the above technical solutions, the airtightness inside the first steel channel can be effectively improved.
[0010] Further, installation holes are provided on the outer surface of the bottom steel channel, and a second bolt passes through the inside of the installation holes, and the bottom steel channel is fixedly installed on the upper end of the low wall through the second bolt.
[0011] By adopting the above technical solutions, the stability of the connection between the bottom steel channel and the low wall can be effectively ensured.
[0012] Furthermore, one end of the bottom steel trough is provided with a lining plate. Mounting holes corresponding in position are arranged on the outer surfaces of the lining plate and the bottom steel trough, and a third bolt penetrates through the mounting holes. The lining plate and the bottom steel trough are fixedly connected by the third bolt.
[0013] By adopting the above technical solution, the connection stability between the lining plate and the bottom steel trough can be effectively ensured.
[0014] Furthermore, the outer wall panel and the bottom steel trough are fixedly connected by a first bolt, and one end of the first bolt extends into the interior of the low wall.
[0015] By adopting the above technical solution, the structural stability between the outer wall panel and the bottom steel trough can be effectively improved.
[0016] Furthermore, the heat preservation board and the second steel trough are fixedly connected by a fourth bolt, and the second steel trough and the first steel trough are fixedly connected by a fourth bolt.
[0017] By adopting the above technical solution, the structural stability of the heat preservation board can be effectively improved.
[0018] In summary, the beneficial technical effects of the present utility model are as follows:
[0019] 1. By arranging a heat preservation board on the inner side of the low wall and arranging heat preservation cotton at the upper end of the low wall, and the heat preservation cotton is connected and fitted with the heat preservation board, this structure can perform airtight heat preservation operation between the low wall and the outer wall panel, effectively avoiding the occurrence of cold bridges at the joints between the low wall and the outer wall panel, thereby avoiding the phenomena of frost, icing, and condensation at the joints, effectively preventing leakage, with strong overall airtightness, and thus effectively adapting to the severe cold environment;
[0020] 2. Through the installation of the first steel trough, a first-level airtight operation can be carried out using the first steel trough. At the same time, foam glue is filled inside the first steel trough, and the expanded foam glue can be used to perform a second-level airtight operation on the inside of the first steel trough, effectively improving the airtight performance between the outer wall panel and the bottom steel trough, and further enhancing the adaptability to the severe cold environment at the joints. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a structural schematic diagram of the present utility model.
[0022] In the figure: 1, low wall; 2, outer wall panel; 3, heat preservation board; 4, bottom steel trough; 5, first steel trough; 6, foam glue; 7, second steel trough; 8, first bolt; 9, second bolt; 10, heat preservation cotton; 11, lining plate; 12, third bolt; 13, fourth bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] The method of the present utility model will be further described in detail below in conjunction with the accompanying drawings.
[0024] Referring to Figure 1 , a node structure at the junction of the bottom of a heat-insulating and airtight broken bridge wall includes a low wall 1. A bottom steel groove 4 is installed on the upper end surface of the low wall 1. An outer wall panel 2 is installed on the upper surface of the bottom steel groove 4. A first steel groove 5 is installed on the outer surface of the bottom steel groove 4. A second steel groove 7 is installed on the outer surface of the first steel groove 5. A heat-insulating panel 3 is installed on the outer surface of the second steel groove 7. A heat-insulating cotton 10 is pasted on the upper surface of the bottom steel groove 4. An installation hole is provided on the outer surface of the bottom steel groove 4, and a second bolt 9 penetrates through the inside of the installation hole. The bottom steel groove 4 is fixedly installed on the upper end of the low wall 1 through the second bolt 9. A lining plate 11 is installed at one end of the bottom steel groove 4. The lining plate 11 and the outer surface of the bottom steel groove 4 are provided with installation holes corresponding in position, and a third bolt 12 penetrates through the installation holes. The lining plate 11 and the bottom steel groove 4 are fixedly connected through the third bolt 12. The outer wall panel 2 and the bottom steel groove 4 are fixedly connected through a first bolt 8, and one end of the first bolt 8 extends into the inside of the low wall 1. The heat-insulating panel 3 and the second steel groove 7 are fixedly connected through a fourth bolt 13. The second steel groove 7 and the first steel groove 5 are fixedly connected through a fourth bolt 13. Among them, by arranging the heat-insulating panel 3 on the inner side of the low wall 1 and arranging the heat-insulating cotton 10 on the upper end of the low wall 1, and the heat-insulating cotton 10 is connected and attached to the heat-insulating panel 3, this structure can perform airtight heat-insulation operation between the low wall 1 and the outer wall panel 2, effectively avoid the occurrence of cold bridge phenomenon at the junction of the low wall 1 and the outer wall panel 2, and further avoid the occurrence of frost, icing, and condensation phenomena at this junction, effectively avoid leakage, and has strong overall airtightness, so as to effectively adapt to the severe cold environment.
[0025] Referring to Figure 1 , the inside of the first steel groove 5 is filled with foam glue 6. Among them, through the installation of the first steel groove 5, a first-level airtight operation can be carried out by using the first steel groove 5. At the same time, by filling the foam glue 6 inside the first steel groove 5, the expanded foam glue 6 can be used to perform a second-level airtight operation on the inside of the first steel groove 5, effectively improving the airtight performance between the outer wall panel 2 and the bottom steel groove 4, and further improving the adaptability to the severe cold environment at the junction.
[0026] Working principle: During the construction of the steel structure, effective construction operations are carried out on the structure. After the construction is completed, it can be used normally. During the use process, through the installation of the first steel groove 5, a first-level sealing operation can be carried out using the first steel groove 5. At the same time, foam rubber 6 is filled inside the first steel groove 5, and the expanded foam rubber 6 can be used to perform a second-level sealing operation on the inside of the first steel groove 5, which can effectively improve the sealing performance between the outer wall panel 2 and the bottom steel groove 4. Also, since the heat insulation board 3 is provided on the inner side of the low wall 1 and the heat insulation cotton 10 is provided at the upper end of the low wall 1, and the heat insulation cotton 10 is connected and fitted with the heat insulation board 3, this structure can perform a third-level sealing and heat insulation operation between the low wall 1 and the outer wall panel 2, effectively avoiding the occurrence of cold bridges at the junction of the low wall 1 and the outer wall panel 2. Furthermore, it can avoid the phenomena of frost, ice formation, and condensation at this junction, effectively avoiding leakage, and thus can effectively adapt to the severe cold environment.
[0027] The embodiments of this specific implementation manner are all preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention shall be covered within the protection scope of the present invention.
Claims
1. A node structure at the joint of the bottom of a wall for a heat-insulating and airtight broken bridge, comprising a low wall (1), characterized in that: A bottom steel channel (4) is installed on the upper end surface of the low wall (1), an exterior wall panel (2) is installed on the upper surface of the bottom steel channel (4), a first steel channel (5) is installed on the outer surface of the bottom steel channel (4), a second steel channel (7) is installed on the outer surface of the first steel channel (5), a thermal insulation board (3) is installed on the outer surface of the second steel channel (7), and a thermal insulation cotton (10) is pasted on the upper surface of the bottom steel channel (4).
2. The node structure at the bottom joint of the wall for a heat-insulating and airtight broken bridge according to claim 1, characterized in that: Foam glue (6) is filled inside the first steel channel (5).
3. The node structure at the junction of the wall bottom of a heat-insulating and airtight broken bridge according to claim 1, characterized in that: Installation holes are provided on the outer surface of the bottom steel channel (4), and a second bolt (9) penetrates through the interior of the installation holes. The bottom steel channel (4) is fixedly installed on the upper end of the low wall (1) through the second bolt (9).
4. A node structure at the bottom joint of a wall for a heat-insulating and airtight broken bridge, as claimed in claim 1, characterized in that: A lining plate (11) is installed at one end of the bottom steel channel (4). Installation holes corresponding in position are provided on the outer surfaces of the lining plate (11) and the bottom steel channel (4), and a third bolt (12) penetrates through the installation holes. The lining plate (11) and the bottom steel channel (4) are fixedly connected through the third bolt (12).
5. The node structure at the bottom joint of a wall for a heat-insulating and airtight broken bridge according to claim 1, characterized in that: The exterior wall panel (2) and the bottom steel channel (4) are fixedly connected through a first bolt (8), and one end of the first bolt (8) extends into the interior of the low wall (1).
6. The node structure at the bottom joint of the wall for a heat-insulating and airtight broken bridge according to claim 1, characterized in that: The thermal insulation board (3) and the second steel channel (7) are fixedly connected through a fourth bolt (13), and the second steel channel (7) and the first steel channel (5) are fixedly connected through a fourth bolt (13).