Fireproof environment-friendly curtain box mounting structure
By using a curtain box installation structure with galvanized steel sheets and light steel keel components, the environmental protection and fire prevention issues of existing curtain boxes are solved, achieving high strength, easy installation, and aesthetic appeal.
Patent Information
- Application Number
- CN202422918397.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Existing curtain box structures suffer from problems such as failing to meet environmental protection standards, having low fire resistance ratings, and being prone to deformation, leading to difficulties in maintenance.
The curtain box adopts a fire-resistant and environmentally friendly installation structure, using galvanized steel plates and light steel keel components, combined with gypsum board and sealant to form a stable installation frame, avoiding the use of wooden base layers.
It meets environmental protection and fire prevention requirements, has high structural strength, is not easily deformed, is easy to install, and enhances the visual effect.
Smart Images

Figure CN223497416U_ABST
Abstract
Description
[Technical Field]
[0001] This utility model relates to the field of building decoration technology, specifically a fireproof and environmentally friendly curtain box installation structure. [Background Technology]
[0002] Curtain boxes are an important part of interior ceiling decoration, serving as crucial facilities for concealing the upper valance of curtains. When designing the ceiling, a matching curtain box design should be incorporated to enhance the overall decorative effect. Existing traditional curtain box structures primarily use a wooden base; however, wooden bases have the following drawbacks: relatively high formaldehyde content, failing to meet environmental protection requirements; low fire resistance, increasing the risk of fire; and low material strength, making them prone to deformation over time and difficult to repair.
[0003] Therefore, in order to solve the above problems, it would be of great significance to propose a new curtain box installation structure that can solve the problems of conventional curtain boxes failing to meet environmental protection and fire prevention requirements, being prone to deformation, and being easy to install. [Utility Model Content]
[0004] The purpose of this utility model is to overcome the above-mentioned shortcomings and provide a fireproof and environmentally friendly curtain box installation structure that meets environmental protection and fire prevention requirements, is not easily deformed, is easy to install, and enhances the visual effect of the curtain box.
[0005] To achieve the above objectives, a fireproof and environmentally friendly curtain box installation structure is designed, including a building floor slab 1. A rear steel plate 3, an angle bracket 4, and a hanging rod 5 are fixed to the bottom surface of the building floor slab 1 via expansion bolts 2. A vertically arranged vertical steel frame 6 is fixed to the rear steel plate 3. An inclined steel frame 7 is fixed to the angle bracket 4. The other end of the inclined steel frame 7 is fixedly connected to the vertical steel frame 6. A horizontally arranged horizontal steel frame 8 is welded and fixed to the vertical steel frame 6. A galvanized steel plate 12 is fixed to the bottom surface of the horizontal steel frame 8 and the sides of the vertical steel frame 6. A large hanger 9 is fixed to the bottom of the hanging rod 5. A main keel 10 is installed inside the large hanger 9. A secondary keel 11 is fixed to the bottom of the main keel 10. Gypsum board 13 is fixed to both the galvanized steel plate 12 and the secondary keel 11. A curtain box is installed on the gypsum board 13 connected to the bottom surface of the horizontal steel frame 8.
[0006] Furthermore, the galvanized steel plate 12 is L-shaped and is fixed to the side of the vertical steel frame 6 and the bottom of the horizontal steel frame 8 with flat-head self-drilling screws 17. This not only makes installation simple and quick, but also ensures high overall structural strength, resistance to deformation, and durability.
[0007] Furthermore, the galvanized steel plate 12 has folded edges at both ends, with one end of the folded edge fixed to the secondary keel 11 and the other end of the folded edge connected to the curtain wall sealing plate 19, which further enhances the stability of the structure and facilitates the concealed acceptance of the curtain box base.
[0008] Furthermore, the distance between the gypsum board 13 and the curtain wall metal frame 15 is 10-15mm, the gap between the gypsum board 13 and the curtain wall metal frame 15 is filled with sealant 16, and the gypsum board 13 is coated with paint 14.
[0009] Furthermore, the upper end of the inclined steel frame 7 is welded and fixed to the corner bracket 4, the lower end of the inclined steel frame 7 is welded and fixed to the vertical steel frame 6, the horizontal steel frame 8 is welded and fixed to the vertical steel frame 6, and the top surface of the horizontal steel frame 8 is tightly attached to the curtain wall sealing plate 19, thereby further achieving the effect of reinforcement.
[0010] Furthermore, the gypsum board 13 is a double-layered paper-faced gypsum board, and the gypsum board 13 is fixed to the galvanized steel plate 12 and the secondary keel 11 by flat-head self-drilling screws 18.
[0011] Furthermore, the secondary keel 11 is arranged horizontally in the transverse direction, and one end of the secondary keel 11 is fixed to the bottom end of the vertical steel frame 6 and is flush with the vertical steel frame 6.
[0012] Furthermore, the vertical steel frame 6 is welded and fixed to the rear steel plate 3. Both the vertical steel frame 6 and the horizontal steel frame 8 are made of square steel, and the diagonal steel frame 7 is made of angle steel.
[0013] Furthermore, the main keel 10 is fixed inside the large crane 9 by means of bolts and nuts. The main keel 10 is a 60 series light steel keel, and the secondary keel 11 is a 50 series light steel keel.
[0014] Furthermore, the curtain box is fixed to the galvanized steel plate 12 with flat-head self-drilling screws 18, and the entire ceiling is fixed to the secondary keel 11 with flat-head self-drilling screws 18.
[0015] Compared with the prior art, this utility model has the following advantages:
[0016] (1) This utility model can meet the requirements of environmental protection and fire prevention, and is not easily deformed. It is easy to install and improves the visual effect of the curtain box.
[0017] (2) The fireproof and environmentally friendly curtain box structure of this utility model does not use wood base board, has low formaldehyde content, and effectively achieves fireproof effect while being more environmentally friendly.
[0018] (3) This utility model provides an L-shaped galvanized steel plate component that is easy and quick to install, has high overall structural strength, is not easily deformed, and is durable. [Image Description]
[0019] Figure 1 This is a schematic diagram of the structure of this utility model;
[0020] Figure 2 This is a utility model Figure 1 Enlarged view of a portion of point A in the middle;
[0021] Figure 3 This is a utility model Figure 1 Enlarged view of a section at point B in the middle;
[0022] Figure 4 This is a utility model Figure 1 Enlarged view of a section at point C;
[0023] In the diagram: 1. Building floor slab; 2. Expansion bolt; 3. Post-installed steel plate; 4. Angle bracket; 5. Hanger rod; 6. Vertical steel frame; 7. Diagonal steel frame; 8. Horizontal steel frame; 9. Main hoist; 10. Main keel; 11. Secondary keel; 12. Galvanized steel plate; 13. Gypsum board; 14. Paint; 15. Curtain wall metal frame; 16. Sealant; 17. Flat-head self-drilling screw one; 18. Flat-head self-drilling screw two; 19. Curtain wall sealing plate. [Detailed Implementation]
[0024] As attached Figure 1 To be continued Figure 4 As shown, this utility model provides a fireproof and environmentally friendly curtain box installation structure, including a building floor slab 1. The bottom surface of the building floor slab 1 is fixed with a rear steel plate 3, an angle bracket 4, and a hanging rod 5 by expansion bolts 2. A vertically arranged vertical steel frame 6 is fixed on the rear steel plate 3. An inclined steel frame 7 is fixed on the angle bracket 4. The other end of the inclined steel frame 7 is fixedly connected to the vertical steel frame 6. A horizontally arranged horizontal steel frame 8 is welded and fixed on the vertical steel frame 6. A galvanized steel plate 12 is fixed on the bottom surface of the horizontal steel frame 8 and the side surface of the vertical steel frame 6. A large hanger 9 is fixed at the bottom of the hanging rod 5. A main keel 10 is installed inside the large hanger 9. A secondary keel 11 is fixed at the bottom of the main keel 10. A gypsum board 13 is fixed on both the galvanized steel plate 12 and the secondary keel 11. A curtain box is installed on the gypsum board 13 connected to the bottom surface of the horizontal steel frame 8.
[0025] The galvanized steel plate 12 is L-shaped and fixed to the sides of the vertical steel frame 6 and the bottom of the horizontal steel frame 8 using flat-head self-drilling screws 17. This design not only makes installation simple and quick but also ensures high overall structural strength, resistance to deformation, and durability. Both ends of the galvanized steel plate 12 have folded edges; one edge is fixed to the secondary keel 11, and the other edge connects to the curtain wall sealing plate 19, further enhancing structural stability and facilitating the concealed inspection of the curtain box base. The curtain box is fixed to the galvanized steel plate 12 using flat-head self-drilling screws 18, and the entire ceiling is fixed to the secondary keel 11 using flat-head self-drilling screws 18.
[0026] The gap between the gypsum board 13 and the curtain wall metal frame 15 is 10-15mm. The gap between the gypsum board 13 and the curtain wall metal frame 15 is filled with sealant 16. The gypsum board 13 is coated with paint 14. The gypsum board 13 is a double-layered paper-faced gypsum board. The gypsum board 13 is fixed to the galvanized steel plate 12 and the secondary keel 11 with flat-head self-drilling screws 18. The secondary keel 11 is arranged horizontally in the transverse direction. One end of the secondary keel 11 is fixed to the bottom of the vertical steel frame 6 and is flush with the vertical steel frame 6. The vertical steel frame 6 is welded and fixed to the rear steel plate 3. The vertical steel frame 6 and the horizontal steel frame 8 are both made of square steel, and the diagonal steel frame 7 is made of angle steel. The upper end of the diagonal steel frame 7 is welded and fixed to the corner bracket 4. The lower end of the diagonal steel frame 7 is welded and fixed to the vertical steel frame 6. The horizontal steel frame 8 is welded and fixed to the vertical steel frame 6. The top surface of the horizontal steel frame 8 is close to the curtain wall sealing plate 19.
[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:
[0028] A fireproof and environmentally friendly curtain box structure includes a building floor slab 1, multiple expansion bolts 2 passing through the building floor slab 1, a rear steel plate 3, an angle bracket 4, and a hanger 5 fixed to the bottom of the expansion bolts 2, a vertical steel frame 6 fixed to the rear steel plate 3, a diagonal steel frame 7 fixed to the angle bracket 4, a horizontal steel frame 8 and a diagonal steel frame 7 welded and fixed to the vertical steel frame 6, a large hanger 9 fixed to the bottom of the hanger 5, a main keel 10 installed inside the large hanger 9, a secondary keel 11 fixed to the bottom of the main keel 10, a galvanized steel plate 12 fixed to the vertical steel frame 6 and the horizontal steel frame 8, a gypsum board 13 fixed to the galvanized steel plate 12 and the secondary keel 11, paint 14 applied to the gypsum board 13, and sealant 16 filled between the gypsum board 13 and the curtain wall metal frame 15. The upper end of the diagonal steel frame 7 is welded and fixed to the corner bracket 4, and the lower end is welded and fixed to the vertical steel frame 6 to achieve a reinforcement effect; the horizontal steel frame 8 is welded and fixed to the vertical steel frame 6 and closely attached to the curtain wall sealing plate 19; the galvanized steel plate 12 is L-shaped, 1.2mm thick, with folded edges at both ends, and is fixed to the vertical steel frame 6 and the horizontal steel frame 8 with several M4*20 flat-head self-drilling screws; the gypsum board 13 is a double-layer 9.5mm thick paper-faced gypsum board, and is fixed to the galvanized steel plate 12 and the secondary keel 11 with several M4*30 flat-head self-drilling screws; the gap between the gypsum board 13 and the curtain wall metal frame 15 is 10-15mm, and the gap is filled with sealant 16.
[0029] The building floor slab 1 is an original reinforced concrete floor slab. Multiple sets of expansion bolts 2 are installed on the building floor slab 1, using M8*80 galvanized expansion bolts. The rear-mounted steel plate 3, angle bracket 4, and hanger 5 are fixed to the bottom of the expansion bolts 2. The rear-mounted steel plate 3 is 100*100*10mm in size, the angle bracket 4 is 40*40mm, and the hanger 5 is an M8 fully threaded series. The vertical steel frame 6 is welded and fixed to the rear-mounted steel plate 3, using 40*40*3mm square steel. The upper end of the diagonal steel frame 7 is welded and fixed to the angle bracket 4, and the lower end is welded and fixed to the vertical steel frame 6, using 40*40*3mm angle steel. The horizontal steel frame 8 is tightly attached to the curtain wall sealing plate 19 and welded and fixed to the vertical steel frame 6, using 40*40*3mm square steel. The large crane 9 is fixed to the bottom of the hanger 5, and the main keel 10 is fixed inside the large crane 9 using bolts and nuts. The main keel 10 is a 60 series light steel keel. Secondary keel 11 is fixed to the bottom of main keel 10. Secondary keel 11 is a 50 series light steel keel. Galvanized steel plate 12 is L-shaped, 1.2mm thick, with folded edges at both ends, and fixed to vertical steel frame 6 and horizontal steel frame 8 with several M4*20 flathead self-drilling screws. Gypsum board 13 is 9.5mm paper-faced gypsum board, double-layered. It is fixed to galvanized steel plate 12 at the curtain box with several M4*30 flathead self-drilling screws, and fixed to secondary keel 11 at the overall suspended ceiling with several M4*30 flathead self-drilling screws. Paint 14 is inorganic paint, applied three times with putty and three times with paint, evenly applied to gypsum board 13. The gap between gypsum board 13 fixed to the curtain box and metal frame 15 of the curtain wall is 10-15mm, and the gap is filled with sealant 16.
[0030] In this embodiment, the galvanized steel sheet can be made from 1.2mm galvanized steel sheet according to the actual dimensions on site. It is fixed integrally to the steel frame, offering high strength, resistance to deformation, and preventing cracking after gypsum board installation, thus ensuring durability. Replacing the wooden base layer improves fire resistance while meeting environmental protection requirements. The construction steps are as follows:
[0031] (1) On-site measurement and layout to determine the location of the curtain box, and process galvanized steel plate custom components according to the actual size. The galvanized steel plate is cut with a plasma cutting machine with built-in air pump to ensure accuracy.
[0032] (2) Conduct a pull-out test on the expansion bolts; construction can only proceed if the design value is achieved.
[0033] (3) Erect scaffolding, drill holes in the building floor slab, insert expansion bolts into the holes, and tighten the nuts clockwise with a wrench until the sleeve expands to achieve the fixing effect;
[0034] (4) Fix the rear steel plate, angle bracket, and hanger to the bottom of the expansion bolts respectively;
[0035] (5) Weld the vertical steel frame to the rear steel plate at a spacing of 600mm. Weld the upper end of the inclined steel frame to the corner bracket and the lower end to the vertical steel frame. Weld the horizontal steel frame to the curtain wall sealing plate and then weld it to the vertical steel frame. All welding points should have full welds. After welding, apply anti-rust paint and silver paint.
[0036] (6) The main keel is screwed to the bottom of the boom by means of nuts. The main keel is inserted into the hollow rectangle of the main keel and fixed to the main keel by means of bolts and nuts. The secondary keel is also fixed to the bottom of the main keel by means of bolts and nuts.
[0037] (7) Fix the galvanized steel plate custom components to the vertical and horizontal steel frames with several M4*20 flathead self-drilling screws, fix the folded edges to the secondary keel, and conduct concealed acceptance of the curtain box base layer.
[0038] (8) After the concealed acceptance is passed, fix the gypsum board to the galvanized steel plate custom component at the curtain box with several M4*30 flat-head self-drilling screws, and fix it to the secondary keel at the overall ceiling with several M4*30 flat-head self-drilling screws.
[0039] (9) Fill nail holes in the plasterboard, apply three coats of putty, and paint three coats of paint;
[0040] (10) Fill the 10-15mm gap between the plasterboard on the reserved curtain box and the metal frame of the curtain wall with sealant;
[0041] (11) After the construction is completed, the curtain box of the decoration and renovation details shall be inspected.
[0042] The contents not described in detail in this specification are existing technologies known to those skilled in the art. The standard parts used can be purchased from the market, and the irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the circuit connection adopts conventional connection methods in the existing technology, which will not be described in detail here.
[0043] This utility model is not limited to the above-described embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of this utility model shall be considered equivalent substitutions and shall be included within the protection scope of this utility model.
Claims
1. A fireproof and environmentally friendly curtain box installation structure, comprising a building floor slab (1), characterized in that: The bottom surface of the building floor slab (1) is fixed with a rear steel plate (3), an angle bracket (4), and a hanger (5) respectively by expansion bolts (2). A vertically arranged vertical steel frame (6) is fixed on the rear steel plate (3), and an inclined steel frame (7) is fixed on the angle bracket (4). The other end of the inclined steel frame (7) is fixedly connected to the vertical steel frame (6). A horizontally arranged horizontal steel frame (8) is welded and fixed on the vertical steel frame (6). Galvanized steel plates (12) are fixed to the bottom surface of the frame (8) and the sides of the vertical steel frame (6). A large hanger (9) is fixed to the bottom of the hanging rod (5). A main keel (10) is installed inside the large hanger (9). A secondary keel (11) is fixed to the bottom of the main keel (10). Plasterboard (13) is fixed on both the galvanized steel plate (12) and the secondary keel (11). A curtain box is installed on the plasterboard (13) connected to the bottom surface of the horizontal steel frame (8).
2. The fireproof and environmentally friendly curtain box installation structure as described in claim 1, characterized in that: The galvanized steel plate (12) is L-shaped and is fixed to the side of the vertical steel frame (6) and the bottom of the horizontal steel frame (8) by flat-head self-drilling screws (17).
3. The fireproof and environmentally friendly curtain box installation structure as described in claim 2, characterized in that: The galvanized steel sheet (12) has folded edges at both ends, one end of which is fixed to the secondary keel (11), and the other end of which is connected to the curtain wall panel (19).
4. The fireproof and environmentally friendly curtain box installation structure as described in claim 1, characterized in that: The distance between the gypsum board (13) and the curtain wall metal frame (15) is 10-15mm. The gap between the gypsum board (13) and the curtain wall metal frame (15) is filled with sealant (16). The gypsum board (13) is coated with paint (14).
5. The fireproof and environmentally friendly curtain box installation structure as described in claim 1, characterized in that: The upper end of the inclined steel frame (7) is welded and fixed to the corner bracket (4), the lower end of the inclined steel frame (7) is welded and fixed to the vertical steel frame (6), the horizontal steel frame (8) is welded and fixed to the vertical steel frame (6), and the top surface of the horizontal steel frame (8) is tightly attached to the curtain wall sealing plate (19).
6. The fireproof and environmentally friendly curtain box installation structure as described in claim 1, characterized in that: The gypsum board (13) is a double-layered paper-faced gypsum board. The gypsum board (13) is fixed to the galvanized steel plate (12) and the secondary keel (11) by flat-head self-drilling screws (18).
7. The fireproof and environmentally friendly curtain box installation structure as described in claim 1, characterized in that: The secondary keel (11) is arranged horizontally in the transverse direction. One end of the secondary keel (11) is fixed to the bottom end of the vertical steel frame (6) and is flush with the vertical steel frame (6).
8. The fireproof and environmentally friendly curtain box installation structure as described in claim 1, characterized in that: The vertical steel frame (6) is welded and fixed on the rear steel plate (3). Both the vertical steel frame (6) and the horizontal steel frame (8) are made of square steel, and the diagonal steel frame (7) is made of angle steel.
9. The fireproof and environmentally friendly curtain box installation structure as described in claim 1, characterized in that: The main keel (10) is fixed inside the large crane (9) by means of bolts and nuts. The main keel (10) is a 60 series light steel keel, and the secondary keel (11) is a 50 series light steel keel.
10. The fireproof and environmentally friendly curtain box installation structure as described in any one of claims 1 to 9, characterized in that: The curtain box is fixed to the galvanized steel plate (12) with flat-head self-drilling screws (18), and the entire ceiling is fixed to the secondary keel (11) with flat-head self-drilling screws (18).