A prefabricated bay window cavity structure
By using prefabricated assembly technology and rigid connection of aluminum alloy templates and prefabricated cover plates, the quality and aesthetic problems in bay window construction are solved, and efficient and stable bay window structure construction is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CEEC ANHUI ELECTRICAL POWER CONSTR NO 1 CO
- Filing Date
- 2025-07-16
- Publication Date
- 2026-06-30
AI Technical Summary
Existing bay window structures have potential quality problems during construction, such as water leakage and cracks in the facade caused by material deformation, and traditional construction techniques are difficult to achieve a high-quality one-time molding effect.
By adopting prefabricated assembly technology, using aluminum alloy templates and prefabricated cover plates, combined with lifting mechanisms, load-bearing mechanisms and cantilever beams, a rigid connection is formed, which enhances structural stability and load-bearing capacity, and realizes the green and convenient application of prefabricated cover plates without formwork.
It significantly improved construction efficiency, reduced the amount of formwork used, enhanced the stability and safety of the structure, and ensured the overall rigidity and aesthetics of the bay window.
Smart Images

Figure CN224431612U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of prefabricated bay window technology, and in particular to a prefabricated bay window cavity structure. Background Technology
[0002] Bay windows, as an important element in meeting people's growing needs for a better life, are being widely used in various types of residences.
[0003] Currently, the structure of bay windows in China generally adopts the brick-concrete structure, that is, the bottom cantilever slab of the bay window is poured at the same time as the beam slab of the same floor, the side walls are made of brick masonry, and the top cantilever slab is poured at the same time as the lower wall column. However, this process has also exposed certain quality problems in practical applications. Because it is formed in two stages, the difficulty of controlling the construction quality of the bonding mortar on the contact surface is correspondingly increased, which may lead to quality problems such as water leakage, which will have an adverse impact on the normal use of the property by the residents.
[0004] Furthermore, under long-term natural conditions, the junctions of different material structures are prone to cracking of the exterior plaster and paint layers due to differences in material deformation properties, which in turn affects the aesthetics of the building facade. Therefore, how to continuously optimize the construction process to ensure that the bay window cavity structure is formed in one go and achieves excellent quality has become an important issue that urgently needs to be studied and resolved.
[0005] Therefore, this application proposes a prefabricated bay window cavity structure. Utility Model Content
[0006] This application proposes a prefabricated bay window cavity structure to solve the problems mentioned in the background art. This construction method utilizes prefabricated assembly integral technology, realizing the green and convenient application of prefabricated cover plates without formwork. Rigid connections are adopted at the nodes to construct a prefabricated assembly integral structure, effectively reducing the amount of formwork used, significantly improving construction efficiency, and shortening the construction period. By using a prefabricated assembly integral concrete structure to replace the traditional brick and mortar structure for the bay window, horizontal and vertical structural reinforcement is added to the side walls to enhance structural stability and load-bearing capacity. In addition, a cantilever beam is added at the bottom to form an effective anchoring connection with the shear wall at the support end, thereby improving the overall stiffness and safety of the bay window and greatly enhancing the practicality of the device.
[0007] To achieve the above objectives, this application adopts the following technical solution:
[0008] A prefabricated bay window cavity structure includes an aluminum alloy template and a prefabricated cover plate. The aluminum alloy template includes a bottom plate and side plates. A prefabricated cover plate is provided between the two side plates and above the bottom plate. Fine stone concrete is provided at the joint between the prefabricated cover plate and the two side plates. Multiple grooves are provided inside the prefabricated cover plate.
[0009] In a preferred embodiment, each of the grooves is provided with a lifting mechanism, which includes a third reinforcing bar, a collar, an L-shaped rod, and a slot.
[0010] The prefabricated bay window cover is lifted by a lifting mechanism. After the prefabricated cover body is installed, the L-shaped rod is hidden between the wall and the prefabricated cover body, thereby improving the practicality of the device.
[0011] In a preferred embodiment, each of the third reinforcing bars is disposed inside the groove, and each of the third reinforcing bars is provided with a collar outside the groove, and two L-shaped rods are symmetrically arranged outside each collar.
[0012] By setting up a lifting mechanism, the load-bearing capacity of the prefabricated cover plate is further enhanced, ensuring the stability of the bay window during later use, thereby improving the practicality of the device.
[0013] In a preferred embodiment, the prefabricated cover plate has multiple slots inside, and the top of each L-shaped rod extends to the outside of the slot;
[0014] By setting slots to bring out the top of the L-shaped rod, which then bonds with the concrete during the later concrete pouring process, the strength between the precast cover plate and the concrete is enhanced, thereby improving the practicality of the device.
[0015] In a preferred embodiment, a bearing mechanism is provided inside both side plates. The bearing mechanism includes multiple sets of first reinforcing bars and multiple sets of second reinforcing bars. Each set of first reinforcing bars is provided at the upper and lower ends inside the side plate. A set of second reinforcing bars is provided inside the two side plates and between each set of first reinforcing bars.
[0016] By adding horizontal and vertical structural reinforcement to the side walls, the structural stability and load-bearing capacity are enhanced, thereby improving the practicality of the device.
[0017] In a preferred embodiment, a cantilever beam is provided inside the base plate, and concrete is poured inside the aluminum alloy formwork;
[0018] By adding a cantilever beam at the bottom to form an effective anchoring connection with the shear wall at the support end, the overall rigidity and safety of the bay window are improved, thereby enhancing the practicality of the device.
[0019] The beneficial effects of this application are:
[0020] 1. This prefabricated bay window cavity structure utilizes prefabricated assembly integral technology, realizing the green and convenient application of prefabricated cover plates without formwork support. Rigid connections are adopted at the nodes, thereby constructing a prefabricated assembly integral structure, effectively reducing the amount of formwork used, significantly improving construction efficiency, shortening the construction period, and greatly enhancing the practicality of the device.
[0021] 2. This prefabricated bay window cavity structure replaces the traditional brick and mortar structure with a prefabricated assembled monolithic concrete structure. Horizontal and vertical structural reinforcements are added to the side walls to enhance structural stability and load-bearing capacity. In addition, a cantilever beam is added at the bottom to form an effective anchoring connection with the shear wall at the support end, thereby improving the overall rigidity and safety of the bay window and greatly enhancing the practicality of the device. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the main body of the device in this application;
[0023] Figure 2 This is a schematic diagram of the internal structure of the device described in this application;
[0024] Figure 3 For this application Figure 2 Enlarged view of point A in the middle.
[0025] The following are the labels in the diagram: 1. Aluminum alloy formwork; 11. Base plate; 12. Side plate; 2. Precast cover plate; 3. Bearing mechanism; 31. First reinforcing bar; 32. Second reinforcing bar; 4. Concrete; 5. Fine aggregate concrete; 6. Groove; 7. Lifting mechanism; 71. Third reinforcing bar; 72. Collar; 73. L-shaped rod; 74. Slot; 8. Cantilever beam. Detailed Implementation
[0026] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.
[0027] Reference Figure 1-3 A prefabricated bay window cavity structure includes an aluminum alloy template 1 and a prefabricated cover plate 2. The aluminum alloy template 1 includes a bottom plate 11 and side plates 12. A prefabricated cover plate 2 is provided between the two side plates 12 and above the bottom plate 11. Fine stone concrete 5 is provided at the joint between the prefabricated cover plate 2 and the two side plates 12. Multiple grooves 6 are provided inside the prefabricated cover plate 2.
[0028] Each groove 6 is equipped with a lifting mechanism 7, which includes a third steel bar 71, a collar 72, an L-shaped rod 73, and a slot 74. The prefabricated bay window cover is lifted by the lifting mechanism 7. After the prefabricated cover 2 body is installed, the L-shaped rod 73 is hidden between the wall and the prefabricated cover body, thereby improving the practicality of the device.
[0029] Each third reinforcing bar 71 is set inside the groove 6, and each third reinforcing bar 71 is provided with a collar 72 outside the groove 6. Two L-shaped rods 73 are symmetrically arranged outside each collar 72. By setting up the lifting mechanism 7, the load-bearing capacity of the precast cover plate 2 is further enhanced, ensuring the stability of the bay window during later use, thereby improving the practicality of the device.
[0030] The precast cover plate 2 has multiple slots 74 inside, and the top of each L-shaped rod 73 extends to the outside of the slot 74. By setting the slots 74, the top of the L-shaped rod 73 is brought out and combined with the concrete 4 during the later concrete pouring process, which connects the strength between the precast cover plate 2 and the concrete 4, thereby improving the practicality of the device.
[0031] The interior of each of the two side plates 12 is provided with a load-bearing mechanism 3. The load-bearing mechanism 3 includes multiple sets of first reinforcing bars 31 and multiple sets of second reinforcing bars 32. Each set of first reinforcing bars 31 is provided at the upper and lower ends inside the side plate 12. A set of second reinforcing bars 32 is provided inside the two side plates 12 and between each set of first reinforcing bars 31. By adding horizontal and vertical structural reinforcement in the side walls, the structural stability and load-bearing capacity are enhanced, thereby improving the practicality of the device.
[0032] The base plate 11 is equipped with a cantilever beam 8, and the aluminum alloy formwork 1 is filled with concrete 4. By adding a cantilever beam 8 at the bottom, an effective anchoring connection is formed with the shear wall at the support end, thereby improving the overall rigidity and safety of the bay window and enhancing the practicality of the device.
[0033] Working Principle: By replacing the traditional brick and mortar structure with a precast assembled monolithic concrete structure, horizontal and vertical structural reinforcement is added to the side walls to enhance structural stability and load-bearing capacity. Furthermore, a cantilever beam 8 is added at the bottom to form an effective anchoring connection with the shear wall at the support end, improving the overall rigidity and safety of the bay window. Simultaneously, a precast cover plate 2 with a lifting mechanism 7 is added to the opposite wall. During bay window cover plate installation, the precast bay window cover plate is lifted by the lifting mechanism 7. After the precast cover plate 2 is installed, the L-shaped rod 73 is concealed within the wall and the precast cover plate.
[0034] Between the slab bodies, specific construction, after the drawings were optimized, the aluminum alloy formwork 1 was immediately adapted and adjusted accordingly. During the construction process, the steel reinforcement was tied according to the guidance of the structural detail drawings. Then, the formwork was precisely assembled according to the aluminum formwork numbering diagram. After the acceptance process confirmed that it was qualified, the concrete 4 was poured. After the aluminum formwork was disassembled, it was allowed to cure to the strength required by the design. Then, the prefabricated cover plate was laid flat on the top of the bay window, and the joints were sealed tightly with fine stone concrete 5 with added micro-expansion agent to ensure that it was tight and without gaps. At this point, the construction of the bay window was completed.
[0035] This construction method utilizes prefabricated assembly technology, enabling the green and convenient application of prefabricated cover plates without formwork. Rigid connections are used at the nodes to construct a prefabricated assembly structure, effectively reducing the amount of formwork used, significantly improving construction efficiency, and shortening the construction period.
[0036] The above are merely preferred embodiments of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and the inventive concept of this application, should be included within the scope of protection of this application.
Claims
1. A prefabricated bay window cavity construction comprising an aluminium alloy formwork (1) and a prefabricated cover panel (2), characterized in that, The aluminum alloy template (1) includes a base plate (11) and side plates (12). A precast cover plate (2) is provided between the two side plates (12) and above the base plate (11). Fine stone concrete (5) is provided at the joint between the precast cover plate (2) and the two side plates (12). Multiple grooves (6) are provided inside the precast cover plate (2).
2. A prefabricated bay window cavity structure according to claim 1, wherein, Each of the grooves (6) is provided with a lifting mechanism (7), which includes a third steel bar (71), a collar (72), an L-shaped rod (73), and a slot (74).
3. A prefabricated bay window cavity structure according to claim 2, wherein, Each of the third reinforcing bars (71) is provided inside the groove (6), and each of the third reinforcing bars (71) is provided with a collar (72) outside the groove (6), and two L-shaped rods (73) are symmetrically arranged outside each collar (72).
4. A prefabricated bay window cavity structure according to claim 3, wherein, The prefabricated cover plate (2) has multiple slots (74) inside, and the top of each L-shaped rod (73) extends to the outside of the slot (74).
5. A prefabricated bay window cavity structure according to claim 1, wherein, The two side plates (12) are each provided with a bearing mechanism (3). The bearing mechanism (3) includes multiple sets of first reinforcing bars (31) and multiple sets of second reinforcing bars (32). Each set of first reinforcing bars (31) is provided at the upper and lower ends inside the side plate (12). A set of second reinforcing bars (32) is provided inside the two side plates (12) and between each set of first reinforcing bars (31).
6. A prefabricated bay window cavity structure according to claim 1, wherein, The base plate (11) is provided with a cantilever beam (8), and the aluminum alloy formwork (1) is filled with concrete (4).