Building structure system without ventilating duct
By closing the bottom of the precast concrete groove plate, the problem of exposed ventilation ducts affecting visual effects and low space utilization is solved, and a more beautiful and efficient space utilization is achieved.
Patent Information
- Application Number
- CN202422372050.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-09-27
AI Technical Summary
The ventilation ducts of existing buildings adopt exposed structures, which affect the visual effect and occupy space, resulting in a small net height of the basement.
The sealing plate is used to seal the bottom of the precast concrete groove plate to form a closed ventilation duct, and the inner space of the concrete groove plate is used to form a ceiling system with better integrity in combination with the sealing plate and beam structure.
It improves the aesthetics of the ceiling and the net height of the basement, reduces the height of the ventilation duct layer, integrates the structure and equipment layer, and improves the space utilization rate.
Smart Images

Figure CN223256385U_ABST
Abstract
Description
Technical Field
[0001] The utility model discloses a building structure, in particular to a building structure system free of ventilation ducts, belonging to the technical field of construction engineering. Background Art
[0002] Ventilation ducts are a vital component of air circulation within a building, and their design and installation directly impact indoor air quality and comfort. Their primary functions include: bringing fresh air into the room and removing stale air; regulating indoor temperature and maintaining a comfortable environment through ventilation systems; effectively controlling indoor humidity to prevent mold and other problems; and removing any odors.
[0003] Ventilation ducts are widely used in residential buildings, commercial buildings, industrial plants, garages, warehouses, etc. Ventilation ducts are the core part of the building ventilation system. Through reasonable design and maintenance, they can greatly improve indoor air quality and comfort.
[0004] Existing building ventilation ducts, especially those in large spaces like garages and warehouses, are often constructed using sheet metal ducts suspended from the ceiling. These exposed ducts, combined with firefighting water pipes, surveillance systems, and lighting lines, create a cluttered appearance, significantly impacting the visual experience. Furthermore, the installation of separate rectangular sheet metal ducts at the bottom of the concrete trough requires additional height for both the structural and equipment levels, resulting in a relatively low basement height. Summary of the Invention
[0005] In response to the above-mentioned shortcomings of the existing technology in which the ventilation ducts of buildings adopt an exposed structure and have poor visual effects, the utility model provides a building structure system without ventilation ducts, which uses a sealing plate to seal the bottom of the precast concrete trough plate, and uses the sealing plate combined with the internal space of the precast concrete trough plate to form a ventilation duct, making the entire ceiling more integrated and more beautiful.
[0006] The technical solution adopted by the utility model to solve the technical problem is: a building structure system without ventilation ducts, the structural system includes concrete columns, concrete beams, precast concrete trough plates and cover plates, the concrete beams are arranged on the concrete columns, the precast concrete trough plates and the concrete beams are installed together, the cover plates are encapsulated at the bottom of the precast concrete trough plates, and a closed ventilation duct is formed between the cover plates and the precast concrete trough plates.
[0007] The technical solution adopted by the utility model to solve its technical problems further includes:
[0008] The concrete beam adopts a precast concrete beam structure, or a composite beam structure consisting of precast concrete and cast-in-situ concrete.
[0009] The concrete beam is provided with openings corresponding to the precast concrete trough plates.
[0010] The bottom of the precast concrete trough plate is embedded with a steel bar, and the edge of the sealing plate is welded to the steel bar by a welding process.
[0011] The side of the concrete beam is embedded with steel bars, and the edge of the sealing plate is bent to form an "L"-shaped bent edge, and the "L"-shaped bent edge is welded to the steel bar by a welding process.
[0012] The edge of the sealing plate is provided with sealant.
[0013] The sealing plate adopts a bottom plate iron sheet, a fireproof rock wool board is arranged under the bottom plate iron sheet, and the fireproof rock wool board is fixedly installed with the bottom plate iron sheet through heat-insulating welding nails.
[0014] The edges of the sealing plates are bent to form U-shaped joints, and the edges of adjacent sealing plates are bent to form L-shaped joints. The L-shaped joints are inserted into the "U" shape of the U-shaped joints and are fixedly connected by connecting nails.
[0015] The connecting nails are screws or rivets.
[0016] The beneficial effects of this utility model are as follows: the utility model uses a sealing plate to seal the bottom of the precast concrete trough plate, and the sealing plate is combined with the internal space of the precast concrete trough plate to form a ventilation duct, which improves the overall integrity of the ceiling and makes it more beautiful. The utility model combines the structural layer and the equipment layer, and uses the concrete trough plate structure to also serve as the ventilation duct, which compresses the height of the ventilation duct layer, increases the net height of the basement, or can reduce the overall height of the basement.
[0017] The present invention will be further described below with reference to the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a structural diagram of the beam-column connection of the utility model.
[0019] Figure 2 This is a schematic diagram of the structure of the sealing part of the precast concrete trough plate of the utility model.
[0020] Figure 3 This is a structural diagram of the utility model in the exploded state of the sealing plate.
[0021] Figure 4 This is a schematic diagram of the structure of the iron sheet connection of the bottom plate of the utility model.
[0022] Figure 5 for Figure 1 A is a schematic diagram of the partially enlarged structure.
[0023] Figure 6 for Figure 2 Middle B is a schematic diagram of the partially enlarged structure.
[0024] In the figure, 1-concrete column, 2-concrete beam, 3-opening, 4-precast concrete trough, 5-bottom plate iron sheet, 6-embedded flat steel, 7-sealant, 8-longitudinal joint of iron sheet, 9-fireproof rock wool board, 10-insulation welding nail, 11-U-shaped joint, 12-L-shaped joint, 13-connecting nail. DETAILED DESCRIPTION
[0025] This embodiment is a preferred implementation of the present utility model. Other embodiments whose principles and basic structures are the same or similar to those of this embodiment are within the protection scope of the present utility model.
[0026] Please refer to the attached Figure 1 To the attached Figure 6 The utility model mainly protects a building structure system without ventilation ducts, which mainly includes a concrete column 1, a concrete beam 2, a precast concrete trough plate 4 and a cover plate. The concrete beam 2 is set on the concrete column 1, the precast concrete trough plate 4 and the concrete beam 2 are installed together, and the cover plate is encapsulated at the bottom of the precast concrete trough plate 4, thereby forming a closed ventilation duct between the cover plate and the precast concrete trough plate 4, replacing the traditional iron air duct, and the equipment pipeline can also be set at an appropriate position inside the ventilation duct.
[0027] In this embodiment, the concrete beam 2 can adopt a precast concrete beam structure, or a composite beam structure composed of precast concrete and cast-in-place concrete. Preferably, an opening 3 is opened on the concrete beam 2, and the opening 3 is opened corresponding to the precast concrete trough 4, or in other words, when the precast concrete trough 4 is installed, it is set corresponding to the opening 3. When the concrete beam 2 adopts a precast concrete beam structure, the opening 3 is opened on the precast beam. When the concrete beam 2 adopts a composite beam structure, the opening 3 can be opened in the cast-in-place concrete part. If the opening 3 is not opened, the ventilation ducts on both sides of the concrete beam 2 can be connected at the position of the concrete beam 2 through an iron air duct. Regardless of whether the concrete beam 2 is opened with an opening 3 or the iron air duct is used for connection, a ventilation system can eventually be formed through the entire building.
[0028] In this embodiment, steel bars are embedded in the bottom of the precast concrete trough plate 4, and pre-buried flat steel 6 is preferably used. During specific implementation, steel bars can also be driven into the set position according to actual needs. The edge of the sealing plate is welded together with the steel bars using a welding process to achieve the installation of the sealing plate. In this embodiment, a sealant 7 is provided at the edge of the sealing plate, and the sealant 7 is used to achieve sealing between the edge of the sealing plate and the bottom of the precast concrete trough plate 4, which is used to increase the air tightness of the pipeline.
[0029] In this embodiment, steel bars are embedded in the side of the concrete beam 2, and pre-embedded flat steel 6 is preferably used. During specific implementation, steel bars can also be driven into the set position according to actual needs, and the edge of the sealing plate is bent to form an "L"-shaped bending edge. The "L"-shaped bending edge is welded to the steel bar using a welding process to achieve installation between the sealing plate and the concrete beam 2. In this embodiment, a sealant 7 is provided on the edge of the sealing plate, and the sealant 7 is used to achieve sealing between the edge of the sealing plate and the concrete beam 2, which is used to increase the air tightness of the pipeline.
[0030] In this embodiment, the sealing plate is preferably made of iron sheet to form the bottom plate iron sheet 5. A fireproof rock wool board 9 is arranged under the bottom plate iron sheet 5. The fireproof rock wool board 9 is fixedly installed with the bottom plate iron sheet 5 through insulation welding nails 10 to ensure the fire resistance of the iron sheet. In specific implementation, when fire prevention or insulation is not required, the fireproof rock wool board 9 can also be not set. The installation method of the fireproof rock wool board 9 can also adopt other conventional fixed installation methods, such as: gluing, etc., which will not be repeated here.
[0031] In this embodiment, the precast concrete trough 4 is relatively long, and when one bottom plate iron sheet 5 is not sufficient to cover the entire precast concrete trough 4, it is necessary to splice two or more bottom plate iron sheets 5 to achieve longitudinal extension of the bottom plate iron sheet 5. There are longitudinal joints 8 of the iron sheets, wherein one bottom plate iron sheet 5 is bent at its edge to form a U-shaped joint 11, and the other bottom plate iron sheet 5 is bent at its edge to form an L-shaped joint 12. The L-shaped joint 12 is inserted into the "U" shape of the U-shaped joint 11 and is fixedly connected by connecting nails 13. In specific implementation, the connecting nails 13 can be screws or rivets, or other connecting structures.
[0032] This new design uses a sealing plate to seal the bottom of the precast concrete trough, which is then combined with the internal space of the precast concrete trough to form a ventilation duct, improving the overall integrity and aesthetics of the ceiling. This design combines the structural layer with the equipment layer, utilizing the concrete trough structure to double as the ventilation duct, thus reducing the height of the ventilation duct layer, increasing the net height of the basement, or even reducing the overall height of the basement.
Claims
1. A building structure system without ventilation ducts, characterized by: The structural system comprises a concrete column (1), a concrete beam (2), a precast concrete trough plate (4) and a cover plate, wherein the concrete beam (2) is arranged on the concrete column (1), the precast concrete trough plate (4) and the concrete beam (2) are installed together, and the cover plate is encapsulated at the bottom of the precast concrete trough plate (4), forming a closed ventilation duct between the cover plate and the precast concrete trough plate (4).
2. The ventilation duct-free building structure system according to claim 1 is characterized by: The concrete beam (2) adopts a precast concrete beam structure, or a composite beam structure consisting of precast concrete combined with cast-in-place concrete.
3. The ventilation duct-free building structure system according to claim 1 is characterized by: The concrete beam (2) is provided with an opening (3), and the opening (3) is opened corresponding to the precast concrete trough plate (4).
4. The ventilation duct-free building structure system according to claim 1 is characterized by: The bottom of the precast concrete trough plate (4) is embedded with a steel bar, and the edge of the sealing plate is welded to the steel bar using a welding process.
5. The ventilation duct-free building structure system according to claim 4 is characterized by: The edge of the sealing plate is provided with a sealant (7).
6. The ventilation duct-free building structure system according to claim 1, characterized in that: The concrete beam (2) is embedded with a steel bar on the side, and the edge of the sealing plate is bent to form an "L"-shaped bent edge, and the "L"-shaped bent edge is welded to the steel bar using a welding process.
7. The ventilation duct-free building structure system according to claim 6, characterized in that: The edge of the sealing plate is provided with a sealant (7).
8. The ventilation duct-free building structure system according to claim 1, characterized in that: The sealing plate adopts a bottom plate iron sheet (5), a fireproof rock wool board (9) is arranged below the bottom plate iron sheet (5), and the fireproof rock wool board (9) is fixedly installed with the bottom plate iron sheet (5) through heat-insulating welding nails (10).
9. The ventilation duct-free building structure system according to claim 1, characterized in that: The edges of the sealing plates are bent to form a U-shaped joint (11), and the edges of adjacent sealing plates are bent to form an L-shaped joint (12). The L-shaped joint (12) is inserted into the "U" shape of the U-shaped joint (11) and is fixedly connected by a connecting pin (13).
10. The ventilation duct-free building structure system according to claim 9, characterized in that: The connecting nails (13) are screws or rivets.