Ceiling type ceiling keel
By using a ceiling-mounted joist design and employing suction cups and locking wedges, the problems of loose ceiling joists and manual support are solved, achieving efficient and stable ceiling installation.
Patent Information
- Application Number
- CN202423169590.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing ceiling joists are prone to loosening due to vibration during installation and require manual support, increasing installation difficulty and affecting installation efficiency.
A ceiling-mounted joist is designed, using lightweight aluminum alloy material. It is attached to the roof using suction cups, temporarily fixed by hangers and reinforcing ribs, and then secured with a pin and wedge structure to ensure the joist's stability and prevent loosening.
It improves the installation stability and efficiency of ceiling joists, reduces manpower consumption, eliminates the need for support frames, and ensures the stability and speed of installation.
Smart Images

Figure CN223548803U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of ceiling keel equipment, specifically a ceiling-mounted ceiling keel. Background Technology
[0002] To facilitate the installation and fixing of ceiling panels, ceiling keel equipment is often required. Utility model patent application number CN202323412322.0 discloses a ceiling keel structure with a connector as the main structural component. The connector is U-shaped, with U-shaped seats installed on both sides of its exterior. First spring plates are installed at both ends of both sides of the inner wall of the connector, and second spring plates are installed on both sides of the inner wall of the U-shaped seats. Downward-sloping pressure plates are installed on both sides of the outer surface of the connector. The main keel is inserted into both sides of the connector, and the secondary keel is inserted into the U-shaped seats. The keel and spring plates are then engaged. This system can fix the keel in place, facilitating the installation and disassembly of the main and secondary keels without drilling holes in them, thus ensuring that the structural strength of the keel is not affected. According to its publicly available technical solutions, existing ceiling keel equipment has several drawbacks. First, after installation and fixing, the fixing bolts between the ceiling keel and the roof are prone to loosening or even falling off due to vibration or loose mounting holes, which is not conducive to ensuring the installation firmness of the ceiling keel. Second, during the installation and fixing of the ceiling keel, it is often necessary to manually lift the ceiling keel or build a support frame, which increases manpower consumption and is not conducive to improving installation efficiency.
[0003] Therefore, how to design a ceiling-mounted joist has become the problem we need to solve. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a ceiling-mounted joist to solve the problems mentioned in the background technology. This utility model is reasonably designed, convenient to use, and suitable for installation and support of suspended ceilings.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a ceiling-mounted joist, comprising a ceiling joist and a hanger rod, wherein a connecting assembly is installed on the hanger rod, the connecting assembly comprising a reinforcing rib and a top plate, an installation assembly is installed on the top plate, the installation assembly comprising a lead screw and a rotating plate, a limiting assembly is installed on the lead screw, the limiting assembly comprising an outer sleeve and a slot, a locking assembly is installed on the inner side of the slot, the locking assembly comprising a locking pin and a first spring, and an anti-loosening assembly is installed on the rotating plate, the anti-loosening assembly comprising a wedge and a second spring.
[0006] Furthermore, the bottom end of the hanger is welded to the top of the ceiling joist, the top end of the hanger is welded to the bottom of the ceiling slab, the reinforcing ribs are welded to both sides of the hanger, and the reinforcing ribs are welded to the top of the ceiling joist.
[0007] Furthermore, the top of the top plate is adhered to the suction cup, the top plate has a threaded opening, and the top of the rotating plate is locked to the bottom of the top plate.
[0008] Furthermore, the bottom end of the lead screw is integrally formed on the top of the rotating plate, and the top end of the lead screw passes through the threaded opening and extends to the top of the top plate.
[0009] Furthermore, the outer sleeve is fitted onto the outer side of the lead screw, the slot is opened on the inner side of the lead screw, a sealing groove is opened on the inner side of the lead screw, and a piston is locked inside the sealing groove.
[0010] Furthermore, the outer side of the piston is engaged with the inner wall of the sealing groove, one end of the locking pin is integrally formed on the piston, and the other end of the locking pin passes through the locking groove and extends to the inner wall of the outer sleeve.
[0011] Furthermore, the piston is connected to the inner wall of the slot via a spring, and the inner diameter of the slot is larger than the diameter of the piston.
[0012] Furthermore, a wedge groove is provided on the top of the rotating plate, the bottom of the wedge is connected to the inner wall of the bottom of the wedge groove by a spring, and the top of the wedge passes through the wedge groove and extends to the top of the rotating plate.
[0013] Beneficial effects: 1. When using this ceiling-mounted joist, an installation hole is drilled in the roof. First, the outer sleeve on the screw is pulled out. The outer side of the piston is sealed by the groove, making it difficult for air to enter the inner side of the groove. This allows sufficient time for personnel to install the screw. After the screw is installed inside the installation hole by the rotating plate, the tension of spring one causes the piston to slowly move from the inner side of the groove to the inner side of the slot, thereby driving the locking pin to lock onto the inner wall of the installation hole. Spring two pushes the wedge block upward on the inner side of the wedge groove and locks it at the bottom of the ceiling. The wedge block allows the rotating plate to rotate clockwise only at the bottom of the ceiling. On the one hand, the locking pin prevents the screw from separating from the installation hole due to looseness. On the other hand, the wedge block prevents the screw and the rotating plate from rotating in the opposite direction under vibration and external force, thus effectively ensuring the installation firmness of the screw and the ceiling and preventing the ceiling joist from being installed loosely.
[0014] 2. When installing this ceiling-mounted joist on the roof, suction cups on multiple ceiling panels are first attached to the bottom of the roof. The ceiling joist is made of lightweight materials such as aluminum alloy. The suction cups are used to attach the ceiling panels to the bottom of the roof, so that the ceiling panels are temporarily suspended from the bottom of the roof by the hanging rods and reinforcing ribs. Then, the ceiling panels are fixed by threaded rods. There is no need for personnel to support it by hand for a long time, nor is there a need to build a support frame for support work. This saves manpower and improves the installation efficiency of the ceiling joist.
[0015] 3. This ceiling-mounted joist has a reasonable design, is efficient and convenient to use, and is suitable for installation and support of suspended ceilings. Attached Figure Description
[0016] Figure 1 This is a structural schematic diagram of a ceiling-mounted suspended ceiling keel according to the present invention;
[0017] Figure 2 This is a cross-sectional view of a ceiling-mounted suspended ceiling keel according to the present invention;
[0018] Figure 3 This is a schematic diagram of the threaded rod of a ceiling-mounted suspended ceiling keel according to the present invention;
[0019] In the diagram: 1. Ceiling joist; 2. Hanger rod; 3. Reinforcing rib; 4. Ceiling plate; 5. Suction cup; 6. Screw rod; 7. Rotating plate; 8. Outer sleeve; 9. Slot; 10. Pin; 11. Sealing groove; 12. Piston; 13. Spring 1; 14. Wedge groove; 15. Wedge block; 16. Spring 2. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figures 1 to 3This utility model provides a technical solution: a ceiling-mounted suspended ceiling keel, including a ceiling keel 1 and a suspension rod 2. A connecting assembly is installed on the suspension rod 2, the connecting assembly including a reinforcing rib 3 and a top plate 4. An installation assembly is installed on the top plate 4, the installation assembly including a lead screw 6 and a rotating plate 7. A limiting assembly is installed on the lead screw 6, the limiting assembly including an outer sleeve 8 and a slot 9. A locking assembly is installed inside the slot 9, the locking assembly including a locking pin 10 and a spring 13. An anti-loosening assembly is installed on the rotating plate 7, the anti-loosening assembly including a wedge 15 and a spring 16. The bottom end of the suspension rod 2 is welded to the top of the ceiling keel 1, the top end of the suspension rod 2 is welded to the bottom of the top plate 4, the reinforcing rib 3 is welded to both sides of the suspension rod 2, and the reinforcing rib 3 is welded to the ceiling keel... The top of the ceiling keel 1 and the top of the top plate 4 are attached to the suction cups 5. The top plate 4 has a threaded opening. The top of the rotating plate 7 is clipped to the bottom of the top plate 4. The bottom end of the screw rod 6 is integrally formed on the top of the rotating plate 7. The top end of the screw rod 6 passes through the threaded opening and extends to the top of the top plate 4. When installing the ceiling keel 1 on the roof, the suction cups 5 on multiple top plates 4 are first attached to the bottom of the roof. The ceiling keel 1 is made of lightweight materials such as aluminum alloy. The suction cups 5 are used to attach the top plates 4 to the bottom of the roof, so that the top plates 4 are temporarily suspended at the bottom of the roof by the hanging rods 2 and reinforcing ribs 3. Then the screw rod 6 is used to fix the top plates 4. There is no need for personnel to support them by hand for a long time, nor is there a need to build a support frame for support work. This saves manpower and improves the installation efficiency of the ceiling keel 1.
[0022] In this embodiment, the outer sleeve 8 is fitted onto the outer side of the lead screw 6, the slot 9 is formed on the inner side of the lead screw 6, and a sealing groove 11 is formed on the inner side of the lead screw 6. A piston 12 is fitted into the inner side of the sealing groove 11, and the outer side of the piston 12 is fitted onto the inner wall of the sealing groove 11. One end of the locking pin 10 is integrally formed onto the piston 12, and the other end of the locking pin 10 passes through the slot 9 and extends to the inner wall of the outer sleeve 8. The piston 12 is connected to the inner wall of the slot 9 by a spring 13. The inner diameter of the slot 9 is larger than the diameter of the piston 12. A wedge groove 14 is formed on the top of the rotating plate 7, and the bottom of the wedge block 15 is connected to the inner wall of the bottom of the wedge groove 14 by a spring 16. The top of the wedge block 15 passes through the wedge groove 14 and extends to the top of the rotating plate 7. In use, an installation hole is made on the roof, and the outer sleeve 8 on the lead screw 6 is first pulled out, and the outer side of the piston 12 is then... The sealing groove 11 makes it difficult for air to enter the inside of the sealing groove 11, allowing sufficient time for personnel to install the lead rod 6. After the lead rod 6 is installed inside the mounting hole by the rotating plate 7, the tension of the spring 19 causes the piston 12 to slowly move from the inside of the sealing groove 11 to the inside of the slot 9, thereby driving the locking pin 10 to lock onto the inner wall of the mounting hole. The spring 2 16 pushes the wedge block 15 upward inside the wedge groove 14 and locks it at the bottom of the top plate 4. The wedge block 15 allows the rotating plate 7 to rotate clockwise only at the bottom of the top plate 4. On the one hand, the locking pin 10 prevents the lead rod 6 from separating from the mounting hole due to loose mounting hole. On the other hand, the wedge block 15 prevents the lead rod 6 and the rotating plate 7 from rotating in the opposite direction under vibration and external force, thereby effectively ensuring the installation firmness of the lead rod 6 and the roof and preventing the ceiling joists 1 from being installed loosely.
[0023] When installing the ceiling joist 1 on the roof, the suction cups 5 on multiple ceiling panels 4 are first attached to the bottom of the roof. The ceiling joist 1 is made of lightweight materials such as aluminum alloy. The suction cups 5 are used to attach the ceiling panels 4 to the bottom of the roof, so that the ceiling panels 4 are temporarily suspended from the bottom of the roof by the hanging rods 2 and reinforcing ribs 3. Then, the ceiling panels 4 are fixed by the screw rods 6. There is no need for personnel to support them by hand for a long time, nor is there a need to build a support frame for support work. This saves manpower and improves the installation efficiency of the ceiling joist 1. The installation hole is opened in the roof. The outer sleeve 8 on the screw rod 6 is first pulled out. The outer side of the piston 12 is sealed by the sealing groove 11, making it difficult for air to enter the inner side of the sealing groove 11, allowing sufficient time for personnel to install the screw rod 6. During this process, after the lead screw 6 is installed inside the mounting hole via the rotating plate 7, the piston 12 is slowly moved from the inside of the sealing groove 11 to the inside of the slot 9 by the tension of the spring 1 9, thereby driving the locking pin 10 to lock onto the inner wall of the mounting hole. The spring 2 16 pushes the wedge block 15 upward on the inside of the wedge groove 14 and locks it at the bottom of the top plate 4. The wedge block 15 makes the rotating plate 7 only able to rotate clockwise at the bottom of the top plate 4. On the one hand, the locking pin 10 prevents the lead screw 6 from separating from the mounting hole due to loose mounting hole. On the other hand, the wedge block 15 prevents the lead screw 6 and the rotating plate 7 from rotating in the opposite direction under the action of vibration and external force, thereby effectively ensuring the installation firmness of the lead screw 6 and the roof and preventing the ceiling joists 1 from being installed loosely.
[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A ceiling-mounted joist, comprising a ceiling joist (1) and a hanger (2), wherein a connecting assembly is installed on the hanger (2), the connecting assembly comprising a reinforcing rib (3) and a top plate (4), and an mounting assembly is installed on the top plate (4), the mounting assembly comprising a threaded rod (6) and a rotating plate (7), characterized in that: A limiting component is installed on the lead screw (6). The limiting component includes an outer sleeve (8) and a slot (9). A locking component is installed on the inner side of the slot (9). The locking component includes a locking pin (10) and a spring (13). An anti-loosening component is installed on the rotating plate (7). The anti-loosening component includes a wedge (15) and a spring (16).
2. The ceiling-mounted suspended ceiling keel according to claim 1, characterized in that: The bottom end of the hanger (2) is welded to the top of the ceiling keel (1), the top end of the hanger (2) is welded to the bottom of the top plate (4), the reinforcing rib (3) is welded to both sides of the hanger (2), and the reinforcing rib (3) is welded to the top of the ceiling keel (1).
3. A ceiling-mounted suspended ceiling keel according to claim 2, characterized in that: The top of the top plate (4) is attached to the suction cup (5), and the top plate (4) has a threaded opening. The top of the rotating plate (7) is stuck to the bottom of the top plate (4).
4. A ceiling-mounted suspended ceiling keel according to claim 3, characterized in that: The bottom end of the lead screw (6) is integrally formed on the top of the rotating plate (7), and the top end of the lead screw (6) passes through the screw hole and extends to the top of the top plate (4).
5. A ceiling-mounted suspended ceiling keel according to claim 1, characterized in that: The outer sleeve (8) is fitted on the outer side of the lead screw (6), the slot (9) is opened on the inner side of the lead screw (6), the inner side of the lead screw (6) is provided with a sealing groove (11), and the inner side of the sealing groove (11) is fitted with a piston (12).
6. A ceiling-mounted suspended ceiling keel according to claim 5, characterized in that: The outer side of the piston (12) is engaged with the inner wall of the sealing groove (11), one end of the locking pin (10) is integrally formed on the piston (12), and the other end of the locking pin (10) passes through the locking groove (9) and extends to the inner wall of the outer sleeve (8).
7. A ceiling-mounted suspended ceiling keel according to claim 6, characterized in that: The piston (12) is connected to the inner wall of the slot (9) by a spring (13), and the inner diameter of the slot (9) is larger than the diameter of the piston (12).
8. A ceiling-mounted suspended ceiling keel according to claim 7, characterized in that: The top of the rotating plate (7) is provided with a wedge groove (14), the bottom of the wedge block (15) is connected to the inner wall of the bottom of the wedge groove (14) by a spring (16), and the top of the wedge block (15) passes through the wedge groove (14) and extends to the top of the rotating plate (7).
Citation Information
Patent Citations
Suspended ceiling joist structure
CN221989691U