High-air-tightness structure of building external door and window
Through the combination of full-dry construction and the combination of frame, thermal insulation and frame attachment and waterproof structure, the complex construction and pollution problems of existing building exterior doors and windows partition wall structures have been solved, and a rapid and environmentally friendly construction process and high airtight structure have been achieved, which has improved the construction efficiency and service life.
Patent Information
- Application Number
- CN202421222969.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-31
AI Technical Summary
The partition wall structures of existing buildings with complex cast-in-place structures during the construction process, which makes it difficult to ensure the construction quality, and wet operations will cause dust pollution, affecting environmental protection and construction efficiency.
The high-air-tight structure of exterior doors and windows of the building that is constructed using a fully dry method is replaced by a combination of frame, thermal insulation frame and waterproof structure to simplify the construction process, and provide external support when installing prefabricated strips to reduce installation difficulty.
It achieves rapid and green environmental protection of the construction process, reduces on-site pollution, ensures the health of construction personnel, improves construction efficiency and airtightness, and extends service life.
Smart Images

Figure CN222595861U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of partition walls, in particular to a high airtightness structure for exterior doors and windows of buildings. Background Art
[0002] Architecture is a general term for buildings and structures. It is an artificial environment created by people to meet the needs of social life, using the material and technological means they have mastered and applying certain scientific laws and aesthetic principles.
[0003] Prefabricated buildings are a form of construction that is green and environmentally friendly. Prefabricated buildings have the characteristics of standardization, modularization, and industrialization. They can improve production efficiency, reduce costs, shorten construction periods, and improve building quality and safety. In addition, they can also reduce the impact of on-site construction on the environment, meeting the requirements of green environmental protection and sustainable development.
[0004] At present, the locations of door and window openings in strip-board exterior walls mostly adopt the method of setting concrete window sills at the bottom of the opening, concrete frames on both sides, and concrete lintels on the top to provide a fixed base for the installation of doors and windows.
[0005] The construction of building steel structures involves high-altitude operations. In order to reduce the difficulty of exterior wall construction, people have invented high-airtightness structures for building exterior doors and windows.
[0006] This method requires on-site formwork, steel bar tying, and concrete pouring. The construction process is complicated, on-site concrete vibrating and pouring is difficult, and the construction quality is difficult to guarantee.
[0007] At the same time, faults and cracks are prone to occur at the junction of prefabricated slabs and cast-in-place concrete, and hidden dangers such as water leakage and poor air tightness are prone to occur at the cracks, which is not conducive to construction quality control.
[0008] The wet operation method of pouring concrete around exterior doors and windows will generate a lot of dust, which will cause great pollution to the site, is not conducive to energy conservation and environmental protection, and will increase the construction period on site.
[0009] In summary, the existing partition wall structures have certain drawbacks when used and do not meet people's usage requirements. For this reason, we propose a high airtightness structure for building exterior doors and windows. Summary of the invention
[0010] In order to overcome the shortcomings of the prior art, the embodiment of the present application provides a high airtightness structure for exterior doors and windows of a building. The construction process adopts a fully dry construction method, which does not require a complicated cast-in-place structure, generates little pollution to the site, and protects the health of the construction workers. At the same time, there is no construction break during the entire construction, and the construction process is fast and green and environmentally friendly, which has good prospects for use.
[0011] The technical solution adopted by the embodiment of the present application to solve the technical problem is:
[0012] A high airtightness structure for exterior doors and windows of a building, comprising a frame, a heat-insulating auxiliary frame and a waterproof structure:
[0013] The frame is installed around the opening of the exterior wall;
[0014] The heat-insulating auxiliary frame is installed in the middle of the inner side of the frame;
[0015] The waterproof structure is arranged at the outer side of the joint between the heat-insulating auxiliary frame and the frame;
[0016] Wherein, a prefabricated strip board is installed on the frame at the outer side of the heat insulation auxiliary frame.
[0017] The utility model records a high air-tightness structure for exterior doors and windows of a building, the construction process of which adopts a fully dry construction method, and there is no need to adopt a complicated cast-in-place structure, which generates little pollution to the site and protects the health of the construction workers. At the same time, there is no construction break during the entire construction, and the construction process is fast and green and environmentally friendly, and has a good prospect for use.
[0018] Preferably, the frame includes a fixed structure, a vertical angle steel, a first transverse angle steel and a second transverse angle steel:
[0019] The fixed structure is installed on the floor slab of the exterior wall opening;
[0020] The number of vertical angle steels is two groups, and the vertical angle steels are connected to the fixed structure;
[0021] The first transverse angle steel is welded between the two sets of vertical angle steels, and the first transverse angle steel is fixedly installed on the outside of the heat insulation auxiliary frame;
[0022] The number of the second transverse angle steels is two groups, and both ends of the second transverse angle steels are respectively connected to the ends of the two groups of vertical angle steels.
[0023] The utility model records a high airtightness structure for exterior doors and windows of a building, which adopts a steel frame instead of the cast-in-place concrete around the exterior wall opening, can provide outer side support for the prefabricated slats when they are installed, reduces the difficulty of installing the prefabricated slats, facilitates construction workers to quickly install the prefabricated slats, improves construction efficiency, and has good use prospects.
[0024] Preferably, the fixed structure comprises a plurality of groups of galvanized buried plates, the galvanized buried plates are fixed to the floor slab by expansion bolts, and the ends of the vertical angle steels are welded to the galvanized buried plates.
[0025] Preferably, the waterproof structure includes a waterproof breathable membrane and a gas barrier membrane:
[0026] The waterproof breathable membrane is installed at the joint between the insulation frame and the frame, and the waterproof breathable membrane is located outside the building;
[0027] The air-isolating membrane is installed at the connection seam between the heat-insulating auxiliary frame and the frame, and the air-isolating membrane is located on the inner side of the building.
[0028] The utility model records a high airtightness structure for exterior doors and windows of a building, which is provided with a heat-insulating auxiliary frame and a waterproof structure. The setting of the heat-insulating auxiliary frame can avoid the generation of a thermal bridge at the position of the auxiliary frame, reduce the cold and heat exchange between indoor and outdoor, and extend the service life. The setting of the waterproof structure can avoid water leakage around the window frame, improve the airtightness at the position of the exterior doors and windows, have good use effect, and have a good use prospect.
[0029] Preferably, the first transverse angle steel and the second transverse angle steel are both installed with flower-shaped clips, the prefabricated strips are fixedly connected to the first transverse angle steel and the second transverse angle steel via the flower-shaped clips, and adjacent prefabricated strips are connected via the flower-shaped clips.
[0030] Preferably, a plurality of groups of hanging rod flat irons are installed on the inner side of the frame, and hook bolts are arranged between the prefabricated strips and the first transverse angle steel and the second transverse angle steel.
[0031] Preferably, a detachable auxiliary part is provided at the welding point between the first transverse angle steel and the vertical angle steel.
[0032] Preferably, a T-shaped slot structure is provided on the auxiliary component, the slot structure is stepped, and the size of the slot structure at the opening is larger than the size at the bottom of the slot.
[0033] Preferably, a bolt hole is provided on the auxiliary component, and an adjusting knob is provided on the auxiliary component, and a threaded rod of the adjusting knob passes through the bolt hole and is fixedly connected to a push block inside the slot structure.
[0034] The utility model records a high air-tightness structure for exterior doors and windows of a building, which is provided with an auxiliary part. During welding, the auxiliary part is clamped at the connection between the first transverse angle steel and the vertical angle steel to keep the first transverse angle steel and the vertical angle steel stable. After partial welding of the first transverse angle steel and the vertical angle steel, the adjusting knob is turned, and the auxiliary part is removed to complete the remaining welding work. The auxiliary part can keep the first transverse angle steel and the vertical angle steel stable during welding, the welding is relatively convenient, the use effect is good, and it can be applied to angle steels of different thicknesses, the use effect is good, and it has a good use prospect.
[0035] In summary, the present invention includes at least one of the following beneficial technical effects:
[0036] First, the utility model records a high air-tightness structure for exterior doors and windows of a building, and its construction process adopts a fully dry construction method. It does not need to adopt a complicated cast-in-place structure, generates little pollution to the site, and ensures the health of the construction workers. At the same time, there is no construction break during the entire construction, and the construction process is fast and green and environmentally friendly, which has a good prospect for use.
[0037] Second, the utility model records a high airtightness structure for exterior doors and windows of a building, which adopts a frame instead of the cast-in-place concrete around the exterior wall openings, and can provide outer support for the prefabricated strips when they are installed, thereby reducing the difficulty of installing the prefabricated strips, facilitating construction workers to quickly install the prefabricated strips, improving construction efficiency, and having good prospects for use.
[0038] Third, the utility model records a high airtightness structure for exterior doors and windows of a building, which is provided with a heat-insulating auxiliary frame and a waterproof structure. The setting of the heat-insulating auxiliary frame can avoid the generation of thermal bridges at the auxiliary frame position, reduce the heat exchange between indoor and outdoor, and extend the service life. The setting of the waterproof structure can avoid water leakage around the window frame, improve the airtightness of the exterior door and window position, have good use effect, and have good use prospects.
[0039] Fourth, the utility model records a high air-tightness structure for exterior doors and windows of a building, which is provided with auxiliary parts. During welding, the auxiliary parts are clamped at the connection between the first transverse angle steel and the vertical angle steel to maintain the stability of the first transverse angle steel and the vertical angle steel. After partial welding of the first transverse angle steel and the vertical angle steel, the adjustment knob is turned to remove the auxiliary parts to complete the remaining welding work. The auxiliary parts can maintain the stability of the first transverse angle steel and the vertical angle steel during welding, the welding is relatively convenient, the use effect is good, and it can be applied to angle steels of different thicknesses, the use effect is good, and it has a good prospect for use. BRIEF DESCRIPTION OF THE DRAWINGS
[0040] Figure 1 It is the overall structure diagram of the utility model;
[0041] Figure 2 It is a partial cross-sectional structural diagram of the utility model;
[0042] Figure 3 This utility model Figure 2 A magnified view of the structure at center A;
[0043] Figure 4 It is a structural diagram of the auxiliary parts in the utility model;
[0044] Figure 5 It is a structural diagram of the auxiliary parts in the utility model from other angles.
[0045] Reference numerals: 1, frame; 11, vertical angle steel; 12, first transverse angle steel; 13, second transverse angle steel; 14, galvanized buried plate;
[0046] 2. Insulation frame; 3. Prefabricated strips; 4. Waterproof breathable membrane; 5. Air barrier membrane; 6. Flower-shaped card; 7. Hanging rod flat iron; 8. Hook bolt; 9. Auxiliary parts; 91. Card slot structure; 92. Adjustment knob; 93. Push block. DETAILED DESCRIPTION
[0047] The embodiments of the present application provide a high airtightness structure for exterior doors and windows of buildings to solve the problem in the prior art that construction requires on-site formwork, steel bar binding, and concrete pouring, which results in complicated construction procedures, difficulty in vibrating and pouring concrete on site, and difficulty in ensuring construction quality. At the same time, faults and cracks are prone to occur at the junction of the slats and cast-in-place concrete, and hidden dangers such as water leakage and poor airtightness are prone to occur at the cracks, which is not conducive to construction quality control. The wet operation method of casting concrete around exterior doors and windows will generate a lot of dust, which will cause great pollution to the site, is not conducive to energy conservation and environmental protection, and will increase the construction period on site.
[0048] Embodiment 1:
[0049] A high airtight structure for exterior doors and windows of a building, such as Figure 1-Figure 3 As shown, it includes a frame 1, a heat-insulating auxiliary frame 2 and a waterproof structure:
[0050] The frame 1 is installed around the opening of the outer wall, and the structure of the frame 1 is used to replace the existing concrete casting structure; the heat-insulating auxiliary frame 2 is installed in the middle position of the inner side of the frame 1; the waterproof structure is arranged on the outer side of the connection seam between the heat-insulating auxiliary frame 2 and the frame 1; wherein, a prefabricated strip board 3 is installed on the outer side of the heat-insulating auxiliary frame 2 on the frame 1.
[0051] Figure 1 The upper right side of the middle drawing is a drawing in which the prefabricated slat 3 is not installed.
[0052] The heat-insulating auxiliary frame 2 can avoid the generation of a thermal bridge at the position of the heat-insulating auxiliary frame 2 and reduce the cold and heat exchange between indoor and outdoor.
[0053] The utility model records a high air-tightness structure for exterior doors and windows of a building, the construction process of which adopts a fully dry construction method, and there is no need to adopt a complicated cast-in-place structure, which generates little pollution to the site and protects the health of the construction workers. At the same time, there is no construction break during the entire construction, and the construction process is fast and green and environmentally friendly, and has a good prospect for use.
[0054] Embodiment 2:
[0055] On the basis of Example 1, Figure 1-Figure 3 As shown, this embodiment is the structure of the frame 1.
[0056] The frame 1 includes a fixed structure, a vertical angle steel 11, a first transverse angle steel 12 and a second transverse angle steel 13:
[0057] The fixed structure is installed on the floor slab of the exterior wall opening; there are two groups of vertical angle steels 11, and the vertical angle steels 11 are connected to the fixed structure; the first transverse angle steel 12 is welded between the two groups of vertical angle steels 11, and the first transverse angle steel 12 is fixedly installed on the outside of the insulation frame 2; there are two groups of second transverse angle steels 13, and both ends of the second transverse angle steels 13 are respectively connected to the ends of the two groups of vertical angle steels 11.
[0058] The first transverse angle steel 12 and the second transverse angle steel 13 as well as the vertical angle steel 11 play the role of outer side support and limitation when the prefabricated strip board 3 is installed, thereby reducing the difficulty of installing the prefabricated strip board 3 on site.
[0059] The utility model records a high airtightness structure for exterior doors and windows of a building, which adopts a frame 1 to replace the cast-in-place concrete around the exterior wall opening, and can provide outer side support for the prefabricated strips 3 when the prefabricated strips 3 are installed, thereby reducing the difficulty of installing the prefabricated strips 3, facilitating construction workers to quickly install the prefabricated strips 3, improving construction efficiency, and having good use prospects.
[0060] The fixed structure includes a plurality of groups of galvanized buried plates 14 , which are fixed to the floor slab by expansion bolts, and the ends of the vertical angle steels 11 are welded to the galvanized buried plates 14 .
[0061] The setting of the fixed structure can ensure the stability of the vertical angle steel 11 and improve the stability of the entire frame 1.
[0062] The first transverse angle steel 12 and the second transverse angle steel 13 are both installed with a pattern card 6, and the prefabricated strips 3 are fixedly connected to the first transverse angle steel 12 and the second transverse angle steel 13 through the pattern card 6, and adjacent prefabricated strips 3 are connected through the pattern card 6 (there is a large space, and multiple prefabricated strips 3 need to be combined in this case).
[0063] The more the number of the pattern cards 6 is, the more firmly the prefabricated strips 3 are fixed.
[0064] A plurality of groups of hanging rod flat irons 7 are installed on the inner side of the frame 1 , and hook bolts 8 are arranged between the prefabricated strip plate 3 and the first transverse angle steel 12 and the second transverse angle steel 13 .
[0065] The provision of the hanging bar flat iron 7 increases the strength, and the provision of the hook bolt 8 cooperates with the first transverse angle steel 12 and the second transverse angle steel 13 to reinforce the prefabricated strip board 3.
[0066] Embodiment 3:
[0067] On the basis of Example 2, Figure 1-Figure 3 As shown, this embodiment is a waterproof structure.
[0068] The waterproof structure includes a waterproof breathable membrane 4 and a gas barrier membrane 5:
[0069] The waterproof and breathable membrane 4 is installed at the connection seam between the heat-insulating auxiliary frame 2 and the frame 1, and the waterproof and breathable membrane 4 is located outside the building;
[0070] The air barrier membrane 5 is installed at the connection seam between the heat insulation auxiliary frame 2 and the frame 1, and the air barrier membrane 5 is located on the inner side of the building.
[0071] The waterproof breathable membrane 4 and the air barrier membrane 5 are used in combination to avoid water leakage around the window frame and improve the air tightness of the external door and window position.
[0072] The utility model records a high airtightness structure for exterior doors and windows of a building, which is provided with a heat-insulating auxiliary frame 2 and a waterproof structure. The setting of the heat-insulating auxiliary frame 2 can avoid the generation of a thermal bridge at the auxiliary frame position, reduce the cold and heat exchange between indoor and outdoor, and extend the service life. The setting of the waterproof structure can avoid water leakage around the window frame, improve the airtightness at the exterior door and window position, have a good use effect, and have a good use prospect.
[0073] Embodiment 4:
[0074] On the basis of Example 3, Figure 4-Figure 5 As shown, this embodiment shows the structure of the auxiliary component 9.
[0075] A detachable auxiliary part 9 is provided at the welding point between the first transverse angle steel 12 and the vertical angle steel 11 .
[0076] A T-shaped slot structure 91 is provided on the auxiliary component 9. The slot structure 91 is stepped, and the size of the slot structure 91 at the opening is larger than the size at the bottom.
[0077] The side of the slot structure 91 is inclined, so it can be easily clamped on the first transverse angle steel 12 and the vertical angle steel 11, and the stepped arrangement can be suitable for connecting the first transverse angle steel 12 and the vertical angle steel 11 of different thicknesses.
[0078] A bolt hole is provided on the auxiliary component 9 , and an adjusting knob 92 is provided on the auxiliary component 9 . The threaded rod of the adjusting knob 92 passes through the bolt hole and is fixedly connected to a push block 93 inside the slot structure 91 .
[0079] When in use, turn the adjusting knob 92, which drives the push block 93 to move. The push block 93 is connected to the first transverse angle steel 12 and the vertical angle steel 11. At this time, an opposite force will be generated to push the auxiliary component 9 off the first transverse angle steel 12 and the vertical angle steel 11, making it easy to remove the auxiliary component 9, which is more convenient to use.
[0080] The utility model records a high airtightness structure of an exterior door and window of a building, which is provided with an auxiliary part 9. During welding, the auxiliary part 9 is clamped at the connection between the first transverse angle steel 12 and the vertical angle steel 11 to keep the first transverse angle steel 12 and the vertical angle steel 11 stable. After partial welding of the first transverse angle steel 12 and the vertical angle steel 11, the adjusting knob 92 is rotated, and the auxiliary part 9 is removed to complete the remaining welding work. The auxiliary part 9 can keep the first transverse angle steel 12 and the vertical angle steel 11 stable during welding, the welding is relatively convenient, the use effect is good, and it can be applied to angle steels of different thicknesses, the use effect is good, and it has a good use prospect.
[0081] It should be noted that when the utility model is installed, the vertical angle steel 11 in the frame 1 is embedded in the outer wall opening, and then the prefabricated strip board 3 is installed, and the prefabricated strip board 3, the first transverse angle steel 12 and the second transverse angle steel 13 are reinforced with hook bolts 8, and the heat-insulating auxiliary frame 2 is installed. Finally, the waterproof breathable membrane 4 and the air-isolating membrane 5 are installed on the outer sides of the heat-insulating auxiliary frame 2 and the first transverse angle steel 12 accordingly.
[0082] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.
Claims
1. A high airtightness structure for exterior doors and windows of a building, characterized in that: include: A frame (1) is installed around the opening of the exterior wall; A heat-insulating auxiliary frame (2) installed at the middle position of the inner side of the frame (1); A waterproof structure, which is arranged at the outer side of the connection seam between the heat-insulating auxiliary frame (2) and the frame (1); Wherein, a prefabricated strip board (3) is installed on the frame (1) on the outer side of the heat-insulating auxiliary frame (2).
2. A high airtightness structure for exterior doors and windows of a building as claimed in claim 1, characterized in that: The framework (1) comprises: Fixed structure, which is installed on the floor slab of the exterior wall opening; Two sets of vertical angle steels (11) are connected to the fixed structure; A first transverse angle steel (12), which is welded between the two sets of vertical angle steels (11) and is fixedly mounted on the outside of the heat-insulating auxiliary frame (2); The second transverse angle steels (13) are in two groups, and both ends thereof are respectively connected to the ends of the two groups of vertical angle steels (11).
3. A high airtightness structure for exterior doors and windows of a building as claimed in claim 2, characterized in that: The fixed structure comprises a plurality of groups of galvanized buried plates (14), the galvanized buried plates (14) are fixed to the floor slab via expansion bolts, and the ends of the vertical angle steels (11) are welded to the galvanized buried plates (14).
4. A high airtightness structure for exterior doors and windows of a building as claimed in claim 1, characterized in that: The waterproof structure comprises: A waterproof breathable membrane (4) is installed at the connection seam between the heat-insulating auxiliary frame (2) and the frame (1), and is located outside the building; The air barrier film (5) is installed at the connection seam between the heat insulation auxiliary frame (2) and the frame (1), and is located on the inner side of the building.
5. A high airtightness structure for exterior doors and windows of a building as claimed in claim 2, characterized in that: The first transverse angle steel (12) and the second transverse angle steel (13) are both installed with a pattern clip (6), the prefabricated strip board (3) is fixedly connected to the first transverse angle steel (12) and the second transverse angle steel (13) via the pattern clip (6), and adjacent prefabricated strip boards (3) are connected via the pattern clip (6).
6. A high airtightness structure for exterior doors and windows of a building as claimed in claim 2, characterized in that: A plurality of groups of hanging bar flat irons (7) are installed on the inner side of the frame (1), and hook bolts (8) are arranged between the prefabricated strip plate (3) and the first transverse angle steel (12) and the second transverse angle steel (13).
7. A high airtightness structure for exterior doors and windows of a building as claimed in claim 2, characterized in that: A detachable auxiliary part (9) is provided at the welding point between the first transverse angle steel (12) and the vertical angle steel (11).
8. A high airtightness structure for exterior doors and windows of a building as claimed in claim 7, characterized in that: The auxiliary component (9) is provided with a T-shaped slot structure (91), the slot structure (91) is stepped, and the size of the slot structure (91) at the opening is larger than the size at the bottom of the slot.
9. A high airtightness structure for exterior doors and windows of a building as claimed in claim 8, characterized in that: The auxiliary component (9) is provided with a bolt hole, and the auxiliary component (9) is provided with an adjusting knob (92). The threaded rod of the adjusting knob (92) passes through the bolt hole and is fixedly connected to a push block (93) inside the slot structure (91).