A suspended ceiling structure which is easy to install and remove

Abstract

The application relates to the technical field of suspended ceiling construction, and particularly discloses a suspended ceiling structure convenient to install and disassemble, which comprises a main keel, a sub-keel and a suspended ceiling plate, further comprises a plurality of groups of mounting seats installed on the suspended ceiling plate corresponding to the sub-keels, a quick connecting structure is arranged between each mounting seat and the suspended ceiling plate, a plurality of groups of quick locking mechanisms for quickly fixing the suspended ceiling plate on the corresponding sub-keel are arranged in each mounting seat, and the quick locking mechanisms can realize quick connection and disassembly between the suspended ceiling plate and the corresponding sub-keel. The suspended ceiling plate is an integral piece, when the integral suspended ceiling plate is installed, first, the mounting seats are fixed at the corresponding positions of the suspended ceiling plate, then the suspended ceiling plate is aligned with the sub-keel, the suspended ceiling plate is pushed upward and pressed, and the fixed installation of the suspended ceiling plate is completed. When the suspended ceiling plate needs to be disassembled, the suspended ceiling plate can be quickly taken down by continuously pressing the suspended ceiling plate upward.

Description

Technical Field

[0001] This application relates to the field of ceiling construction technology, and in particular to a ceiling structure that is easy to install and disassemble. Background Technology

[0002] A suspended ceiling is a type of decoration applied to the top of a living space. It serves to insulate, heat-insulate, sound-insulate, and absorb sound, and also conceals electrical, ventilation, air conditioning, communication, fire protection, and alarm wiring and equipment. Simply put, a suspended ceiling is the decoration of the ceiling and is an important part of interior decoration.

[0003] In home decoration ceiling structures, light steel keel is often used to install and fix the ceiling panels. The light steel keel includes main keel and secondary keel. The main keel is installed on the ceiling through hangers, and the secondary keel is installed below the main keel through connectors. The ceiling panels are snapped together between adjacent secondary keels.

[0004] The above-mentioned ceiling installation technology has the following drawbacks:

[0005] First: After the main keel and secondary keel are installed, multiple ceiling panels need to be snapped together between two adjacent secondary keels in sequence, which is a rather complicated installation process;

[0006] Second: Due to the influence of installation process and the installation skills of the decorators, it is impossible to guarantee that all the ceiling panels are on the same plane after installation. The ceiling panels that are not on the same plane are staggered in height, which seriously affects the aesthetics of the construction and the integrity of the ceiling.

[0007] Third: Because the ceiling panels are installed between two adjacent keels by snap-fit, and the gap between adjacent ceiling panels after installation is small, when one of the ceiling panels is damaged and needs to be replaced later, it is difficult for maintenance personnel to quickly remove the ceiling panel for replacement. Usually, they use force to remove it. This removal method will not only affect the stability of adjacent ceiling panels, but also the installation stability of the main keel and the secondary keel.

[0008] In conclusion, the ceiling installation structure described above needs to be improved. Summary of the Invention

[0009] To facilitate the installation and disassembly of ceiling panels, this application provides a ceiling structure that is easy to install and disassemble.

[0010] This application provides a ceiling structure that is easy to install and disassemble, employing the following technical solution:

[0011] A ceiling structure that is easy to install and disassemble includes a main keel, a secondary keel, and a ceiling panel. It also includes multiple sets of mounting seats installed on the ceiling panel corresponding to each of the secondary keels. Each mounting seat and the ceiling panel are provided with a quick connection structure. Each mounting seat is provided with multiple sets of quick locking mechanisms for quickly fixing the ceiling panel to the corresponding secondary keel. The quick locking mechanisms enable quick connection and disassembly between the ceiling panel and the corresponding secondary keel.

[0012] By adopting the above technical solution, the ceiling panel is a single piece. When installing the entire ceiling panel, the mounting brackets are first fixedly installed in the corresponding positions on the ceiling panel through the quick connection structure. Then, the ceiling panel is aligned with the secondary keel, and the ceiling panel is pushed and pressed upward. The quick locking mechanism quickly locks the mounting brackets to the corresponding secondary keel, thereby completing the fixed installation of the ceiling panel.

[0013] When a malfunction requires repair or maintenance of the electrical equipment above the ceiling panel, simply continue pressing the ceiling panel upwards. When the pressing force reaches a certain level, the quick-locking mechanism will unlock, allowing the ceiling panel to be quickly removed.

[0014] The ceiling panel in this application is a single piece, which provides a high degree of integration and aesthetics after installation. It eliminates the need for repeated clamping and fixing of the ceiling panel during installation and removal, significantly reducing the tedious work for construction workers. It also facilitates the disassembly and repair of the ceiling panel and makes maintenance easy.

[0015] Optionally, the quick-connect structure includes multiple receiving slots formed in the ceiling panel and a snap-fit ​​component that is movably snapped onto the mounting base. The snap-fit ​​component can extend into the receiving slots and achieve rotational snap-fit.

[0016] By adopting the above technical solution, when it is necessary to fix the mounting base on the ceiling panel, the snap-fit ​​component is inserted into the receiving groove, and the snap-fit ​​component is rotated so that the end of the snap-fit ​​component is engaged in the receiving groove, thereby realizing the installation and fixation of the mounting base.

[0017] Optionally, the end of the snap-fit ​​component is provided with a screwing part for easy screwing.

[0018] By adopting the above technical solution, the screwing part makes it easier for construction personnel to snap and fix the snap-fit ​​parts, making the installation of the mounting base more convenient.

[0019] Optionally, the height of the inner cavity of the receiving groove gradually narrows along the rotation direction of the snap-fit ​​member.

[0020] By adopting the above technical solution, as the snap-fit ​​component rotates in the receiving groove, the more it rotates, the more firmly it is snapped in place.

[0021] Optionally, the mounting base includes a base and a snap-fit ​​seat fixed to the base, and a set of quick-locking mechanisms are symmetrically arranged in both snap-fit ​​seats.

[0022] By adopting the above technical solution, the two sets of quick-locking mechanisms symmetrically arranged in the card holder can more stably realize the connection and fixation between the ceiling panel and the corresponding secondary keel, making the installation of the ceiling panel more secure.

[0023] Optionally, the quick-locking mechanism includes a snap-fit ​​structure disposed within the snap-fit ​​seat and snap-fitting with the secondary keel, and a limiting structure for locking and unlocking the snap-fit ​​structure.

[0024] By adopting the above technical solution, when the ceiling panel is pressed, the snap-fit ​​structure in the quick-locking mechanism can realize the connection and fixation between the ceiling panel and the corresponding secondary keel. When the ceiling panel needs to be disassembled, the limiting structure can unlock the snap-fit ​​structure, so that the ceiling panel can be quickly removed from the secondary keel, which facilitates the quick disassembly and maintenance of the ceiling panel.

[0025] Optionally, the snap-fit ​​structure includes a slide rail extending from the snap-fit ​​seat to the base, a sliding block partially slidably disposed in the slide rail, an elastic member, and a plug rod rotatably mounted on the sliding block. One end of the elastic member is connected to the sliding block, and the other end is connected to the inner wall of the slide rail. The sliding block moves away from the base under the elastic force of the elastic member.

[0026] The secondary keel has a corresponding slot for the insertion rod; when the sliding block moves towards the base, the end of the insertion rod extends out of the locking seat and into the slot; when the sliding block moves away from the base, the end of the insertion rod moves out of the slot and retracts into the locking seat.

[0027] By adopting the above technical solution, when the ceiling panel is pressed, the secondary keel pushes the sliding block to move along the slide rail. The movement of the sliding block causes the end of the insert rod to rotate, so that the end of the insert rod rotates out of the locking seat and engages with the locking slot. At this time, the connection and fixation between the locking seat and the corresponding secondary keel can be achieved. Under the action of gravity, the ceiling panel will tend to separate from the secondary keel, but due to the limiting effect of the limiting structure, the end of the insert rod will be stably inserted into the corresponding locking slot, thereby achieving a stable connection of the ceiling panel.

[0028] Optionally, the limiting structure includes a limiting rod that rotates within the locking seat, a first limiting groove, a second limiting groove, and a third limiting groove formed on the sliding block;

[0029] The middle section of the first limiting groove is connected to one end of the third limiting groove, and the other end of the third limiting groove is connected to one end of the second limiting groove. The height of the end of the third limiting groove near the middle section of the first limiting groove is higher than the middle section of the first limiting groove, and the height of the end of the third limiting groove away from the middle section of the first limiting groove is less than or equal to the height of the end of the second limiting groove connected to it.

[0030] One end of the first limiting groove is connected to the end of the second limiting groove that is away from the third limiting groove, and the height of the end of the first limiting groove is higher than the height of the end of the second limiting groove;

[0031] The limiting end of the limiting rod can slide sequentially along the first limiting groove, the second limiting groove, and the third limiting groove;

[0032] The second limiting groove has a curved section in the middle. When the snap-fit ​​seat and the secondary keel are snapped together, the limiting end of the limiting rod can be snapped into the curved section of the second limiting groove.

[0033] By adopting the above technical solution, during the process of fixing the ceiling panel and the secondary keel to each other, the secondary keel will push the sliding block, and the sliding block will cause the limiting end of the limiting rod to move along the first limiting groove to the second limiting groove. When the insertion rod is inserted into the slot, the limiting end of the limiting rod slides to the curved section of the second limiting groove. At this time, the limiting end of the limiting rod limits the rotation of the insertion rod, so that the insertion rod can be stably inserted into the slot, thereby achieving a stable connection between the ceiling panel and the secondary keel.

[0034] When it is necessary to remove the ceiling panel, continue to press the ceiling panel upwards. At this time, the limiting end of the limiting rod slides from the second limiting groove to the third limiting groove. Under the pulling force of the elastic element, the limiting end of the limiting rod slides from the third limiting groove into the first limiting groove. At this time, the limiting end of the limiting rod no longer restricts the movement of the sliding block, and the ceiling panel can be removed downwards. During the removal process, the elastic element will pull the sliding block, causing the end of the insert rod to disengage from the slot. At this time, the insert rod no longer restricts the connection between the ceiling panel and the secondary keel, and the ceiling panel can be quickly removed.

[0035] Optionally, a torsion spring is sleeved on the rotating shaft of the limiting rod, and the torsion spring is used to drive the limiting end of the limiting rod to move from the second limiting groove to the third limiting groove.

[0036] By adopting the above technical solution, the torsion spring can restrict the rotation of the limiting end of the limiting rod, making it easier for the limiting rod to slide from the second limiting groove into the third limiting groove, thus making the disassembly process of the ceiling panel smoother.

[0037] Optionally, the perimeter of the secondary keel is further provided with side keels for stabilizing each of the secondary keels.

[0038] By adopting the above technical solution, the side keel can support and stabilize multiple secondary keels, making the entire secondary keel structure more robust.

[0039] In summary, this application includes at least one of the following beneficial technical effects:

[0040] 1. The ceiling panel is a single piece. When installing the entire ceiling panel, first use the quick-connect structure to fix each mounting bracket in the corresponding position on the ceiling panel. Then, align the ceiling panel with the secondary keel, push and press the ceiling panel upwards, and the quick-locking mechanism will quickly lock the mounting bracket with the corresponding secondary keel, thereby completing the fixed installation of the ceiling panel.

[0041] 2. When a fault requires repair or maintenance of the electrical equipment above the ceiling panel, simply continue pressing the ceiling panel upwards. When the pressing force reaches a certain level, the quick-locking mechanism will unlock, allowing the ceiling panel to be quickly removed. Attached Figure Description

[0042] Figure 1 This is a schematic diagram of the overall structure of the suspended ceiling structure in the embodiments of this application.

[0043] Figure 2 yes Figure 1 A partial structural diagram of the suspended ceiling structure.

[0044] Figure 3 yes Figure 1 A schematic diagram of the structure at the mounting base.

[0045] Figure 4 yes Figure 3 A sectional view of the mounting base.

[0046] Figure 5 yes Figure 4 Enlarged view of point B in the middle.

[0047] Figure 6 yes Figure 2 Enlarged view of point A in the middle.

[0048] Reference numerals: 1. Main keel; 2. Secondary keel; 21. Side keel; 22. Slot; 3. Ceiling panel; 4. Mounting base; 41. Base; 411. Strip groove; 42. Snap-fit ​​seat; 421. Groove; 5. Quick connection structure; 51. Snap-fit ​​part; 511. Snap-fit ​​plate; 512. Connecting column; 513. Twisting part; 5131. Internal hexagonal groove; 6. Quick locking mechanism; 61. Snap-fit ​​structure; 611. Slide rail; 612. Sliding block; 613. Elastic element; 614. Insert rod; 62. Limiting structure; 621. Limiting rod; 622. First limiting groove; 623. Second limiting groove; 624. Third limiting groove. Detailed Implementation

[0049] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail below.

[0050] This application discloses a ceiling structure that is easy to install and disassemble.

[0051] Reference Figure 1 A ceiling structure that is easy to install and disassemble includes a main keel 1, a secondary keel 2, a side keel 21, and a ceiling panel 3.

[0052] Reference Figure 1 and Figure 2 The main keel 1 is fixed and suspended below the ceiling by a hanger rod, and the secondary keel 2 is fixed below the main keel 1 by a connector. There are multiple main keels 1 and secondary keels 2. The multiple main keels 1 and secondary keels 2 overlap each other to form a "well" shape. The edge keel 21 is fixed around the edge of the secondary keel 2 and fixed to the surrounding walls.

[0053] The ceiling panel 3 is an integrated ceiling panel 3. The difference between the ceiling panel 3 and the traditional ceiling panel 3 is that the ceiling panel 3 is a whole piece of board. Compared with the traditional ceiling panel 3 structure that is clipped and installed between adjacent secondary keels 2, there is no need to worry about the situation where multiple ceiling panels 3 are misaligned after installation due to the different construction skills of the installers. The ceiling panel 3 in this application can be fixed to the secondary keel 2 by simply pressing it during installation, thus realizing the installation and fixation of the ceiling panel 3.

[0054] In order to achieve rapid installation and disassembly of the ceiling panel 3 and greatly reduce the complicated operations during construction, this application provides multiple sets of mounting seats 4 on the ceiling panel 3. The positions of the multiple sets of mounting seats 4 are adapted to the positions of the corresponding secondary keel 2. A quick connection structure 5 for quick connection between each mounting seat 4 and the ceiling panel 3 is provided. Each mounting seat 4 is provided with multiple sets of quick locking mechanisms 6 for quickly fixing the ceiling panel 3 to the corresponding secondary keel 2. The quick locking mechanism 6 can realize the quick connection and disassembly between the ceiling panel 3 and the corresponding secondary keel 2.

[0055] like Figure 2 and Figure 3 As shown, the mounting base 4 includes a base 41 and two snap-fit ​​seats 42 integrally connected to the base 41. The two snap-fit ​​seats 42 are rectangular boxes and are arranged parallel to each other. The space between the two snap-fit ​​seats 42 is used for interlocking with the secondary keel 2. Each snap-fit ​​seat 42 is provided with a set of quick-locking mechanisms 6. The two sets of quick-locking mechanisms 6 can more stably connect and fix the two during the interlocking process of the snap-fit ​​seat 42 and the secondary keel 2.

[0056] During installation, the main keel 1, secondary keel 2 and edge keel 21 are first installed and fixed, and then each mounting base 4 is fixed by the quick connection structure 5. Specifically, the quick connection structure 5 includes multiple receiving slots opened in the ceiling panel 3 and a snap-fit ​​component 51 that is movably snapped onto the mounting base 4. The snap-fit ​​component 51 includes a long strip snap-fit ​​plate 511, a connecting post 512 integrally connected to the surface of the snap-fit ​​plate 511, and a screwing part 513 integrally connected to the end of the connecting post 512 away from the snap-fit ​​plate 511.

[0057] In this application, an internal hexagonal groove 5131 is provided at the center of the end of the screwing part 513. The internal hexagonal groove 5131 facilitates the screwing of the external hexagonal wrench. In other embodiments, the outer peripheral wall of the screwing part 513 can also be set as an external hexagon, which also facilitates the screwing of the screwing part 513 with the wrench.

[0058] like Figure 3 As shown, two strip grooves 411 are provided on a base 41. The shape of the strip grooves 411 is adapted to the shape of the snap-fit ​​plate 511, so that the snap-fit ​​plate 511 can pass through the strip grooves 411. The shape of the opening of the receiving groove is also adapted to the snap-fit ​​plate 511. When it is necessary to fix the mounting base 4, align the opening of the strip grooves 411 and the receiving groove on the base 41, and then insert the snap-fit ​​plate 511 of the snap-fit ​​member 51 through the strip grooves 411 into the opening of the receiving groove. Then rotate the snap-fit ​​member 51 to make the snap-fit ​​plate 511 rotate in the receiving groove, so that the snap-fit ​​plate 511 and the opening of the receiving groove are misaligned, so that the snap-fit ​​plate 511 can be fixed in the receiving groove.

[0059] In order to make the snap-fit ​​plate 511 more stably snap-fitted in the receiving groove, the inner cavity height of the receiving groove gradually narrows along the rotation direction of the snap-fit ​​member 51. That is, the snap-fit ​​plate 511 is increasingly limited by the receiving groove during the rotation process, so as to realize the limiting and fixing of the snap-fit ​​plate 511, thereby enabling the mounting base 4 to be stably installed on the ceiling plate 3.

[0060] The quick-locking mechanism 6 includes a locking structure 61 disposed in the locking seat 42 and locking with the secondary keel 2, and a limiting structure 62 for locking and unlocking the locking structure 61.

[0061] like Figure 3 , Figure 4 and Figure 5As shown, the snap-fit ​​structure 61 includes a slide 611 extending from the snap-fit ​​seat 42 to the base 41, a sliding block 612 partially slidably snapped into the slide 611, an elastic element 613, and a plug rod 614 rotatably mounted on the sliding block 612. The elastic element 613 is a spring, one end of which is connected to the sliding block 612 and the other end is connected to the inner wall of the slide 611. Under the elastic force of the spring, the sliding block 612 moves away from the base 41.

[0062] One end of the insertion rod 614 is rotatably mounted on the sliding block 612. A groove 421 is provided on the locking seat 42 for rotating and guiding the other end of the insertion rod 614. Under the pull of the spring, the sliding block 612 moves away from the base 41. The sliding block 612, in conjunction with the groove 421, retracts the end of the insertion rod 614 into the locking seat 42. When the sliding block 612 moves closer to the base 41, the sliding block 612, in conjunction with the groove 421, causes the end of the insertion rod 614 to extend out of the locking seat 42.

[0063] like Figure 2 , Figure 5 and Figure 6 As shown, a slot 22 is provided on the secondary keel 2 corresponding to the insertion rod 614. During the insertion process of the secondary keel 2 into the space between the two locking seats 42, the secondary keel 2 will drive the sliding block 612 to move towards the base 41. At this time, the sliding block 612 drives one end of the insertion rod 614 to move, and the other end of the insertion rod 614 moves outward from the locking seat 42 under the guidance of the groove 421, so that the end of the insertion rod 614 extends into the slot 22, thereby achieving the locking and fixing with the secondary keel 2.

[0064] At this time, the ceiling panel 3 is fixed to the secondary keel 2. During this process, the limiting structure 62 will stabilize the connection between the ceiling panel 3 and the secondary keel 2. Specifically, as follows: Figure 1 , Figure 2 and Figure 5 As shown, the limiting structure 62 includes a limiting rod 621, a first limiting groove 622, a second limiting groove 623, and a third limiting groove 624. One end of the limiting rod 621 rotates on the base 41 inside the snap-fit ​​seat 42. A torsion spring is sleeved on the rotating shaft of the limiting rod 621. The first limiting groove 622, the second limiting groove 623, and the third limiting groove 624 are all opened on the sliding block 612.

[0065] like Figure 5As shown, the middle section of the first limiting groove 622 is connected to one end of the third limiting groove 624, and the other end of the third limiting groove 624 is connected to one end of the second limiting groove 623. The height of the end of the third limiting groove 624 near the middle section of the first limiting groove 622 is higher than the middle section of the first limiting groove 622, and the height of the end of the third limiting groove 624 away from the middle section of the first limiting groove 622 is less than or equal to the height of the end of the second limiting groove 623 connected to it.

[0066] In this embodiment, the end height of the third limiting groove 624 away from the middle section of the first limiting groove 622 is flush with the end height of the second limiting groove 623 connected to it; one end of the first limiting groove 622 is connected to the end of the second limiting groove 623 away from the third limiting groove 624, and the end height of the first limiting groove 622 is higher than the end height of the second limiting groove 623, so the limiting rod 621 can slide sequentially along the first limiting groove 622 to the second limiting groove 623 and the third limiting groove 624.

[0067] When the ceiling panel 3 is pressed onto the secondary keel 2, the sliding block 612 moves toward the base 41, and the end of the insert rod 614 is inserted into the slot 22, thus achieving the connection and fixation between the card seat 42 and the secondary keel 2.

[0068] The second limiting groove 623 has a curved section in the middle. When the locking seat 42 and the secondary keel 2 are locked together, the limiting end of the limiting rod 621 slides from the first limiting groove 622 and engages with the curved section of the second limiting groove 623. Under the action of the torsion spring, the limiting end of the limiting rod 621 tends to move from the second limiting groove 623 to the third limiting groove 624. At this time, the end of the insert rod 614 can stably extend out of the locking seat 42, so that the ceiling panel 3 and the secondary keel 2 can maintain a stable connection.

[0069] When it is necessary to remove the ceiling panel 3 from the secondary keel 2, simply press the ceiling panel 3 firmly to move it further towards the secondary keel 2. At this time, the limiting end of the limiting rod 621 moves from the curved section of the second limiting groove 623 along the second limiting groove 623 to the third limiting groove 624.

[0070] When the limiting end of the limiting rod 621 moves into the third limiting groove 624, the sliding block 612 moves away from the base 41 under the pull of the spring. At this time, the limiting end of the limiting rod 621 moves along the third limiting groove 624 into the first limiting groove 622. Driven by the sliding block 612, the end of the insert rod 614 extends out from the slot 22. The insert rod 614 no longer restricts the connection between the secondary keel 2 and the ceiling panel 3, so the ceiling panel 3 can be removed from the secondary keel 2.

[0071] The implementation principle of a ceiling structure that is easy to install and disassemble according to an embodiment of this application is as follows: When it is necessary to install the ceiling panel 3, the mounting base 4 is fixedly installed on the corresponding position on the ceiling panel 3, and then the ceiling panel 3 is pressed so that the ceiling panel 3 is snapped onto each secondary keel 2, thereby completing the quick installation of the ceiling panel 3.

[0072] When it is necessary to disassemble the ceiling panel 3, continue to press the ceiling panel 3 upwards. At this time, the ceiling panel 3 can be removed from each sub-keel 2, realizing the quick disassembly of the ceiling panel 3.

[0073] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A suspended ceiling structure which is easy to install and dismount, comprising a main runner (1), a sub-runner (2) and a suspended ceiling panel (3), characterized in that: It also includes multiple sets of mounting seats (4) installed on the ceiling panel (3) corresponding to each of the secondary keels (2). Each mounting seat (4) and the ceiling panel (3) are provided with a quick connection structure (5). Each mounting seat (4) is provided with multiple sets of quick locking mechanisms (6) for quickly fixing the ceiling panel (3) to the corresponding secondary keel (2). The quick locking mechanism (6) can realize the quick connection and disassembly between the ceiling panel (3) and the corresponding secondary keel (2). The quick-connect structure (5) includes multiple receiving slots opened in the ceiling plate (3) and a snap-fit ​​member (51) that is movably snapped onto the mounting base (4). The snap-fit ​​member (51) can extend into the receiving slot and achieve rotational snap-fit. The end of the snap-fit ​​(51) is provided with a screwing part (513) for easy screwing. The height of the inner cavity of the receiving groove gradually narrows along the rotation direction of the snap-fit ​​member (51); The mounting base (4) includes a base (41) and a snap-fit ​​seat (42) fixed on the base (41). A set of quick-locking mechanisms (6) are symmetrically arranged in both snap-fit ​​seats (42). The quick locking mechanism (6) includes a snap-fit ​​structure (61) disposed in the snap-fit ​​seat (42) and snap-fitted to the secondary keel (2), and a limiting structure (62) for locking and unlocking the snap-fit ​​structure (61). The snap-fit ​​structure (61) includes a slide (611) extending from the snap-fit ​​seat (42) toward the base (41), a sliding block (612) partially slidably disposed in the slide (611), an elastic element (613), and a plug (614) rotatably mounted on the sliding block (612). One end of the elastic element (613) is connected to the sliding block (612), and the other end is connected to the inner wall of the slide (611). Under the elastic force of the elastic element (613), the sliding block (612) moves away from the base (41). The secondary keel (2) has a corresponding slot (22) for the insert rod (614); when the sliding block (612) moves toward the base (41), the end of the insert rod (614) extends out of the locking seat (42) and into the slot (22); when the sliding block (612) moves away from the base (41), the end of the insert rod (614) moves out of the slot (22) and back into the locking seat (42).

2. A suspended ceiling structure according to claim 1, wherein: The limiting structure (62) includes a limiting rod (621) that rotates within the locking seat (42), a first limiting groove (622), a second limiting groove (623), and a third limiting groove (624) formed on the sliding block (612). The middle section of the first limiting groove (622) is connected to one end of the third limiting groove (624), and the other end of the third limiting groove (624) is connected to one end of the second limiting groove (623). The height of the end of the third limiting groove (624) near the middle section of the first limiting groove (622) is higher than the middle section of the first limiting groove (622), and the height of the end of the third limiting groove (624) away from the middle section of the first limiting groove (622) is less than or equal to the height of the end of the second limiting groove (623) connected to it. One end of the first limiting groove (622) is connected to the end of the second limiting groove (623) away from the third limiting groove (624), and the height of the end of the first limiting groove (622) is higher than the height of the end of the second limiting groove (623); The limiting end of the limiting rod (621) can slide sequentially along the first limiting groove (622), the second limiting groove (623) and the third limiting groove (624); The second limiting groove (623) has a curved section in the middle. When the snap-fit ​​seat (42) and the secondary keel (2) are snapped together, the limiting end of the limiting rod (621) can be snapped into the curved section of the second limiting groove (623).

3. A suspended ceiling construction according to claim 2, wherein: A torsion spring is sleeved on the rotating shaft of the limiting rod (621), and the torsion spring is used to drive the limiting end of the limiting rod (621) to move from the second limiting groove (623) to the third limiting groove (624).

4. A suspended ceiling structure according to any one of claims 1 to 3, wherein: The periphery of the secondary keel (2) is also provided with side keels (21) for stabilizing each of the secondary keels (2).

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