Fabricated suspended ceiling vertical plate enclosing structure

Abstract

This invention relates to the field of prefabricated ceiling technology, specifically to a prefabricated ceiling panel enclosure structure, including a long frame plate and a short frame plate. The long frame plate has corner fasteners at both ends, and the short frame plate has corner clips at both ends that are compatible with the corner fasteners. Each corner clip includes a main plate, and the corner fastener is a bent structure. The corner fastener connects to both the long frame plate and the main plate simultaneously. The corner clip also has a protruding column on the surface of the main plate. The corner fastener has a recessed notch that slides and engages with the protruding column. The recessed notch is narrowed downwards on the surface of the corner fastener, and its downward direction is inclined downwards along the vertical direction. The corner clip also has a locking device for limiting the movement of the protruding column and the recessed notch along the direction of the long frame plate. This panel enclosure structure solves the technical problem of difficult subsequent decoration in practical applications of existing technologies, and offers higher structural stability and safety.

Description

Technical Field

[0001] This invention relates to the field of prefabricated ceiling technology, and more specifically to a prefabricated ceiling panel enclosure structure. Background Technology

[0002] Prefabricated decoration is a decoration method that combines and installs factory-produced components on-site. It mainly includes dry construction flooring, integrated kitchens, integrated bathrooms, and separation of pipelines and structures. Compared with traditional decoration, prefabricated decoration has lower on-site pollution, lower requirements for finished product protection, and high installation quality due to mass production in factories. Meanwhile, traditional decoration is time-consuming, labor-intensive, and costly.

[0003] Prefabricated decoration, in particular, commonly uses aluminum panels for ceiling installation. This method is only suitable for small spaces and can only be used as a flat ceiling structure. After installation, the appearance is not good due to the conventional spraying process.

[0004] Common prefabricated ceilings typically employ support clip ceilings, 38-clip ceilings, suspended ceilings, or hook-on ceiling structures. Hook-on panel installations, however, are only suitable for flat ceilings and cannot accommodate more complex ceiling designs. Traditional installations of stepped frame sections risk cracking at the corners, which is typically covered with putty. For the lower panel sections, gypsum board is usually cut with notches for installation and corner reinforcement is required. Furthermore, the gap control at the joints of the stepped frame sections is poor, resulting in uneven gaps. Additionally, the traditional prefabricated installation of stepped frame panels requires prolonged lifting, placing high demands on the installers' physical abilities.

[0005] Based on this, Chinese utility model patent CN202220661767.9 discloses a prefabricated ceiling panel enclosure structure. By setting mating openings and splicing parts on the corner splicing parts and snap-fit ​​parts respectively, the structural connection at the corner splicing of the long side and the short side can be realized, which can improve the overall enclosure structure's sturdiness to a certain extent. However, in practical applications, when installing low-level panels around the lower perimeter of the enclosure structure, the deviation between the mating openings and splicing parts is amplified. Specifically, the low-level panels at the lower end of the enclosure structure cannot be kept on the same horizontal plane, resulting in unevenness. This also increases the difficulty of further fixing the perimeter of the low-level panels, leading to low stability and safety of the device. Summary of the Invention

[0006] The present invention aims to overcome the defects in the prior art and provide a novel prefabricated ceiling panel enclosure structure to solve the technical problem of subsequent decoration difficulties in the practical application of the prior art, and the structure has higher stability and safety.

[0007] To achieve the above-mentioned objectives, the present invention adopts the following technical solution:

[0008] The first objective of this invention is to provide a prefabricated ceiling panel enclosure structure, comprising: a long frame plate and a short frame plate arranged opposite each other, the long frame plate and the short frame plate being connected sequentially to form a frame structure, the short frame plate being located between the long frame plates, the long frame plate having corner fasteners at both ends, and the short frame plate having corner clips adapted to the corner fasteners at both ends, the corner clips including a main plate, the corner fastener having a bent structure, the corner fastener being connected to the main plate at the same time as the long frame plate, the corner clips also having protruding columns on the surface of the main plate, the corner fastener having a recessed notch for sliding engagement with the protruding columns, the recessed notch being recessed and narrowed on the surface of the corner fastener, its recessed direction being inclined downward along the vertical direction, the corner clips also having a locking device for limiting the protruding columns and the recessed notch along the direction of the long frame plate.

[0009] The inventors discovered that when using existing ceiling panel enclosure structures for subsequent installation of lower panels, the panels on all four sides cannot be kept level, making it difficult to fix them to the wall during later decoration. To address this, the inventors improved upon the existing enclosure structure by addressing the installation difficulties, uneven ceilings, and unsightly appearance. Firstly, by incorporating a recessed notch and a corresponding protruding column, the inventors limited the movement of the short and long panels of the frame along both the short and longitudinal directions. Specifically, because the recessed notch is angled, after the protruding column slides and engages with the bottom of the notch, the short panel fixed by the protruding column is longitudinally limited because the upper part of the column contacts the surface of the recessed notch. Furthermore, because the recessed notch is narrowed, the short panel fixed by the protruding column will not wobble along its longitudinal direction. On the other hand, by further adding a locking device to the corner clip, the inventor ensures that the short frame plate will not move relative to the long frame plate along the direction of the long frame plate. This invention effectively locks the positional relationship between the short and long frame plates through the above technical solution, resulting in a tighter enclosure structure. When further decoration is carried out based on this enclosure structure, especially when installing the low-level plate at its lower end, the surface of the low-level plate can remain horizontal. Therefore, the folded edges perpendicular to the surface of the low-level plate, used to fix the low-level plate to the wall, can fit snugly against the wall, providing operational convenience for further fixing. Furthermore, the overall ceiling structure exhibits higher safety and aesthetics.

[0010] Preferably, the locking device includes a boss disposed on the surface of the main board, the boss being used to abut against the surface of the corner fastener.

[0011] In this invention, the long plate of the upright frame is the main locking device compared to the short plate. It provides corner fasteners to achieve the locking function of the short plate. However, in this technical solution, a protruding boss is also provided on the corner fastener as a locking device. By cooperating with the corner fastener, the short plate and the long plate of the upright frame can have a tighter contact along the direction of the long plate. The connection between the corner fastener and the corner fastener is as follows: the protruding column is slidably engaged at the bottom of the recessed notch, and the boss is in contact with the surface of the corner fastener. At this time, the relative position between the short plate and the long plate of the upright frame is not easy to change, and compared with the prior art, the short plate will not be tilted in the vertical direction. Therefore, it is more convenient to install and fix the lower plate later.

[0012] Preferably, the convex post includes a post and an end ring for contacting the surface of the corner fastener.

[0013] The protruding column achieves a sliding connection between itself and the recessed notch through the column, and achieves a snap-fit ​​connection between itself and the surface of the external corner fastener through the end ring.

[0014] As a further preferred embodiment, the locking device includes a concave ring disposed on the surface of the column for engaging with a recessed notch.

[0015] In this technical solution, the complexity of the locking device is further simplified. The height variation of the column and the concave ring are fully utilized to realize the function of locking the relative positional relationship between the long plate and the short plate of the frame along the long plate direction. Specifically, a connection is formed between the concave ring and the recessed notch. Based on the snap-fit ​​relationship between the concave ring and the recessed notch, by increasing the height of the column below the concave ring, the tight relationship between the corner clip and the corner fastener along the long plate direction of the frame can be increased.

[0016] Preferably, the locking device includes a retaining edge protruding on two or four sides of the main board, the retaining edge protruding in the same direction as the outward-protruding column, and the protruding end of the retaining edge abutting against the surface of the external corner fastener.

[0017] In this technical solution, by utilizing the height difference between the protruding column and the retaining edge, the connection tightness between the protruding column and the recessed notch can be effectively improved. Specifically, the protruding column and the recessed notch are interlocked, and the retaining edge abuts against the inner surface of the external corner fastener.

[0018] Preferably, both the long and short plates of the upright frame have cavities inside, and both the long and short plates of the upright frame have ribs inside.

[0019] In this technical solution, the cavity has a good heat insulation effect, and the cavity design can save materials to achieve the purpose of lightweighting; the ribs can not only improve the overall strength of the plate, but also provide better nail holding force for the plate.

[0020] Preferably, the external corner fastener includes a fixed surface and a mating surface that are bent and set. The fixed surface contacts the long plate of the upright frame, and the mating surface contacts the main plate. The long plate of the upright frame is provided with a locking screw that is connected to the fixed surface.

[0021] As a further preferred embodiment, the external corner fastener also includes a boss structure located between the fixed surface and the mating surface. The boss structure includes a first boss plate with one end perpendicular to the fixed surface and a second boss plate with one end perpendicular to the mating surface. The other ends of the first boss plate and the second boss plate are connected and perpendicular to each other.

[0022] Preferably, the first plate of the boss is connected to the end of the long plate of the upright frame, and the end of the short plate of the upright frame is connected to the long plate of the upright frame.

[0023] Although the aforementioned corner fasteners, consisting of bent fixing and mating surfaces, allow for a tight connection between the long and short upright panels, facilitating subsequent installation of the lower panel, the following drawbacks still exist during the connection process: First, taking external splicing as an example, where the corner fastener is fixed to the outer surface of the long upright panel and the corner clip is fixed to the outer surface of the short upright panel, during the connection process, because the corner fasteners and corner clips themselves have a certain thickness, taking the end of the long upright panel as a reference, the outermost surface of the short upright panel still differs from the end of the long upright panel by the thickness of one corner clip. That is, in the case of external splicing... There is a technical problem at the joint between the long and short panels of the vertical frame that the ends of the short and long panels are not flush. Secondly, taking internal splicing as an example, internal splicing refers to the fixing surface of the corner fastener being fixed to the inner surface of the long panel of the vertical frame, and the corner clip being fixed to the inner surface of the short panel of the vertical frame. During the connection process, in order to achieve a seamless connection between the ends of the long and short panels of the vertical frame, the positions of the corner clips on the short panel and the corner fasteners on the long panel of the vertical frame need to be accurately confirmed, taking into account the thickness of the corner clips and corner fasteners. Therefore, although the technical problem of difficult end alignment can be solved in internal splicing, its operation is slightly cumbersome.

[0024] Based on this, the present invention, by setting the aforementioned boss structure including a first boss plate and a second boss plate, forms a "W"-shaped external corner fastener, which can effectively solve the technical problems of difficulty in aligning the short and long plates of the upright frame, and even the cumbersome operation. This "W"-shaped external corner fastener is suitable not only for external splicing but also for internal splicing. Taking external splicing as an example, the first boss plate connects to the end of the long plate of the upright frame, the end of the short plate of the upright frame connects to the long plate, and the second boss plate provides accommodating space for the thickness of the external corner fastener. At this time, a complete frame structure can be formed between the short and long plates of the upright frame. The same principle applies to internal splicing.

[0025] The second objective of this invention is to provide an installation method for any of the above-mentioned prefabricated ceiling panel enclosure structures, comprising the following steps:

[0026] Step A: Select and design the required dimensions of the long and short uprights according to actual needs;

[0027] Step B: Install corner fasteners at both ends of the long upright board and corner clips at both ends of the short upright board, ensuring that the positions of the corner clips correspond to the positions of the corner fasteners;

[0028] Step C: By connecting and assembling the corner clips and corner fasteners, all the protruding columns are set in the corresponding recessed notches;

[0029] Step D: Connect each long and short frame plate in sequence, so that the long and short frame plates form a frame structure under the action of the corner fasteners and corner clips.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] (1) By setting out the protruding column, the recessed notch and the locking device, the present invention can effectively lock the positional relationship between the short plate and the long plate of the frame, so the enclosed structure formed is tighter. When further decoration is carried out based on the enclosed structure, especially when the low plate is installed at the lower end, the surface of the low plate can be kept horizontal. Therefore, the folded edge that is perpendicular to the surface of the low plate and is used to fix the low plate to the wall can be closely abutted against the wall, which provides operational convenience for further fixing. The overall ceiling is safer and more aesthetically pleasing.

[0032] (2) By setting a boss structure including a first boss plate and a second boss plate, the present invention forms a "W"-shaped external corner fastener, which can effectively solve the technical problems of difficult alignment of the short and long plates of the upright frame and even complicated installation. The use of this type of external corner fastener is not only suitable for external splicing, but also suitable for internal splicing. Attached Figure Description

[0033] The accompanying drawings of this invention will now be briefly described:

[0034] Figure 1 This is a schematic diagram of the overall structure of the vertical plate enclosure structure of the present invention;

[0035] Figure 2 This is a schematic diagram of the connection between the long plate and the short plate of the vertical frame in the vertical plate enclosure structure of the present invention.

[0036] Figure 3 This is a schematic diagram of the external corner fastener with a boss structure according to the present invention;

[0037] Figure 4 This is a top view of the external corner fastener with a boss structure according to the present invention;

[0038] Figure 5 This is a schematic diagram of the external corner clip with a boss according to the present invention;

[0039] Figure 6 This is a left view of the corner bracket with a boss according to the present invention;

[0040] Figure 7 This is a schematic diagram of the external corner clip with a concave ring according to the present invention;

[0041] Figure 8 This is a top view of the external corner clip with a concave ring according to the present invention;

[0042] Figure 9 This is a schematic diagram of the external corner clip with a long edge of the present invention;

[0043] Figure 10 This is a top view of the external corner clip with a long edge of the present invention;

[0044] Figure 11 This is a schematic diagram of the structure of the external corner fastener with a boss connecting the long plate and the short plate of the upright frame according to the present invention.

[0045] Figure 12 This is a schematic diagram of the vertical plate enclosure structure of the present invention installed at the lower end of a high-level flat roof.

[0046] Figure 13 This is a cross-sectional view of the suspended ceiling after the lower panel has been installed.

[0047] Reference numerals: 1. Long frame plate; 2. Short frame plate; 3. Corner fastener; 31. Fixing surface; 32. Mating surface; 321. Recessed notch; 4. Corner clip; 41. Outwardly protruding column; 411. End ring; 421. Boss; 422. Edge retainer; 423. Main plate; 5. Boss structure; 51. First boss plate; 52. Second boss plate; 6. Cavity; 7. Rib; 8. High-level flat top; 9. Low-level plate. Detailed Implementation

[0048] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Those skilled in the art will be able to implement the present invention based on these descriptions. Furthermore, the embodiments of the present invention described below are generally only some, not all, of the embodiments of the present invention. Therefore, all other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention.

[0049] Example 1

[0050] Please see Figure 1 , 2 5, 6. A prefabricated ceiling panel enclosure structure according to this embodiment includes a long frame plate 1 and a short frame plate 2 arranged opposite to each other. The long frame plate 1 and the short frame plate 2 are connected sequentially to form a frame structure. The short frame plate 2 is located between the long frame plates 1. The long frame plate 1 has corner fasteners 3 at both ends, and the short frame plate 2 has corner clips 4 adapted to the corner fasteners 3 at both ends. Both the long frame plate 1 and the short frame plate 2 have cavities 6 inside, and both have ribs 7 inside.

[0051] The external corner fastener 3 includes a fixed surface 31 and a mating surface 32 that are bent and set. The fixed surface 31 is in contact with the outer surface of the vertical frame plate 1, and the mating surface 32 is in contact with the end of the vertical frame plate 1. The vertical frame plate 1 is provided with a locking screw connected to the fixed surface 31. The mating surface 32 is provided with a recessed notch 321. The recessed notch 321 is set in a recessed narrowing on the surface of the external corner fastener 3, and its recessed direction is inclined downward along the vertical direction.

[0052] The corner bracket 4 includes a main board 43, which is connected to the short plate 2 of the upright frame via locking screws. The corner bracket 4 also includes a protruding post 41 located on the surface of the main board 43 and a locking device. In this embodiment, the locking device adopts... Figure 5 , 6The boss 421 is located on the surface of the main board 43. The protrusion direction of the boss 421 is consistent with that of the protruding column 41, but the vertical distance between the farthest point of the boss 421 and the main board 43 is smaller than that between the farthest point of the protruding column 41 and the main board 43. Through the above arrangement, the difference in the protrusion distance between the protruding column 41 and the boss 421 on the surface of the main board 43 can be used to reduce the situation where the connection between the main board 43 and the mating surface 32 is not tight along the direction of the frame length plate 1 when simply using the protruding column 41 to connect the corner fastener 3 and the corner clip 4. This is because the connection between the protruding column 41 and the recessed notch 321 is mismatched. Specifically, the connection relationship between the corner clip 4 and the corner fastener 3 is as follows: the protruding column 41 is slidably engaged at the bottom of the recessed notch 321, and the boss 421 is in contact with the inner surface of the corner fastener 3.

[0053] Example 2

[0054] Please see Figure 1 , 2 7, 8. A prefabricated ceiling panel enclosure structure according to this embodiment includes a long frame plate 1 and a short frame plate 2 arranged opposite to each other. The long frame plate 1 and the short frame plate 2 are connected sequentially to form a frame structure. The short frame plate 2 is located between the long frame plates 1. The long frame plate 1 has corner fasteners 3 at both ends, and the short frame plate 2 has corner clips 4 adapted to the corner fasteners 3 at both ends. Both the long frame plate 1 and the short frame plate 2 have cavities 6 inside, and both have ribs 7 inside.

[0055] The external corner fastener 3 includes a fixed surface 31 and a mating surface 32 that are bent and set. The fixed surface 31 is in contact with the surface of the vertical frame plate 1, and the mating surface 32 is in contact with the end of the vertical frame plate 1. The vertical frame plate 1 is provided with a locking screw connected to the fixed surface 31. The mating surface 32 is provided with a recessed notch 321. The recessed notch 321 is set in a recessed narrowing on the surface of the external corner fastener 3, and its recessed direction is inclined downward along the vertical direction.

[0056] The corner bracket 4 includes a main board 43, which is connected to the short plate 2 of the upright frame via locking screws. The corner bracket 4 also includes a protruding post 41 and a locking device located on the surface of the main board 43. The protruding post 41 includes a post 411 and an end ring 412 for contacting the mating surface 32. In addition, a concave ring 422 is provided on the surface of the post 411 for engaging with the recessed notch 321. This embodiment further simplifies the complexity of the locking device. By fully utilizing the height variation of the column 411 and the concave ring 422, the present invention achieves the function of locking the relative positional relationship between the long plate 1 and the short plate 2 of the frame along the direction of the long plate 1. Specifically, the concave ring 422 is connected to the recessed notch 321. Based on the snap-fit ​​relationship between the concave ring 422 and the recessed notch 321, by increasing the height of the column 411 below the concave ring 422, the tight relationship between the corner clip 4 and the corner fastener 3 along the direction of the long plate 1 of the frame can be increased.

[0057] Example 3

[0058] Please see Figure 1 , 2 9, 10. A prefabricated ceiling panel enclosure structure according to this embodiment includes a long frame plate 1 and a short frame plate 2 arranged opposite to each other. The long frame plate 1 and the short frame plate 2 are connected in sequence to form a frame structure. The short frame plate 2 is located between the long frame plates 1. The long frame plate 1 is provided with corner fasteners 3 at both ends, and the short frame plate 2 is provided with corner clips 4 that are adapted to the corner fasteners 3 at both ends. Both the long frame plate 1 and the short frame plate 2 have cavities 6 inside, and both the long frame plate 1 and the short frame plate 2 have ribs 7 inside.

[0059] The external corner fastener 3 includes a fixed surface 31 and a mating surface 32 that are bent and set. The fixed surface 31 is in contact with the outer surface of the vertical frame plate 1, and the mating surface 32 is in contact with the end of the vertical frame plate 1. The vertical frame plate 1 is provided with a locking screw connected to the fixed surface 31. The mating surface 32 is provided with a recessed notch 321. The recessed notch 321 is set in a recessed narrowing on the surface of the external corner fastener 3, and its recessed direction is inclined downward along the vertical direction.

[0060] The corner clip 4 includes a main board 43, which is connected to the short plate 2 of the upright frame via locking screws. The corner clip 4 also includes a protruding post 41 and a locking device located on the surface of the main board 43. Furthermore, the locking device consists of a retaining rib 423 protruding from the two long sides of the main board 43. The protruding direction of the retaining rib 423 is consistent with the protruding direction of the protruding post 41, and the protruding end of the retaining rib 423 is in contact with the inner surface of the corner clip 3. In this embodiment, by utilizing the height difference between the protruding post 41 and the retaining rib 423, the connection tightness between the protruding post 41 and the recessed notch 321 can be effectively improved. Specifically, the protruding post 41 and the recessed notch 321 are engaged, and the retaining rib 423 abuts against the inner surface of the corner clip 3.

[0061] Example 4

[0062] Please see Figure 9-11 This embodiment of a prefabricated ceiling panel enclosure structure includes a long frame plate 1 and a short frame plate 2 arranged opposite to each other. The long frame plate 1 and the short frame plate 2 are connected sequentially to form a frame structure. The short frame plate 2 is located between the long frame plates 1. The long frame plate 1 is provided with corner fasteners 3 at both ends, and the short frame plate 2 is provided with corner clips 4 that are adapted to the corner fasteners 3 at both ends. Both the long frame plate 1 and the short frame plate 2 have cavities 6 inside, and both the long frame plate 1 and the short frame plate 2 have ribs 7 inside.

[0063] The external corner fastener 3 includes a fixing surface 31 and a mating surface 32, and a boss structure 5 located between the fixing surface 31 and the mating surface 32. The boss structure 5 includes a first boss plate 51 with one end perpendicular to the fixing surface 31 and a second boss plate 52 with one end perpendicular to the mating surface 32. The other ends of the first boss plate 51 and the second boss plate 52 are connected and perpendicular to each other. The fixing surface 31 is in contact with the outer surface of the long frame plate 1, the first boss plate 51 is in contact with the end of the long frame plate 1, and the end of the short frame plate 2 is in contact with the inner surface of the long frame plate 1. In order to make the outer surface of the short frame plate 2 and the end of the long frame plate 1 at the same horizontal line and form a good frame structure, in this embodiment, the space formed between the second boss plate 52, the short frame plate 2, and the mating surface 32 can just accommodate the external corner fastener 4. The external corner fastener 3 also includes a recessed notch 321. In order to form a good connection between the long plate 1 and the short plate 2 of the vertical frame, the recessed notch 321 is set in a recessed narrowing on the surface of the external corner fastener 3, and its recessed direction is inclined downward along the vertical direction.

[0064] The corner clip 4 includes a main board 43, which is connected to the outer surface of the short frame 2 via locking screws. The corner clip 4 also includes a protruding post 41 and a locking device located on the surface of the main board 43. Furthermore, the locking device consists of a retaining rib 423 protruding from the two long sides of the main board 43. The protruding direction of the retaining rib 423 is consistent with the protruding direction of the protruding post 41, and the protruding end of the retaining rib 423 is connected to the inner surface of the corner clip 3. In this embodiment, by utilizing the height difference between the protruding post 41 and the retaining rib 423, the connection tightness between the protruding post 41 and the recessed notch 321 can be effectively improved. Specifically, the protruding post 41 and the recessed notch 321 are engaged, and the retaining rib 423 abuts against the inner surface of the corner clip 3.

[0065] Example 5

[0066] Please see Figure 7 , 8 11. A prefabricated ceiling panel enclosure structure according to this embodiment includes a long frame plate 1 and a short frame plate 2 arranged opposite to each other. The long frame plate 1 and the short frame plate 2 are connected in sequence to form a frame structure. The short frame plate 2 is located between the long frame plates 1. The long frame plate 1 is provided with external corner fasteners 3 at both ends, and the short frame plate 2 is provided with external corner clips 4 adapted to the external corner fasteners 3 at both ends. Both the long frame plate 1 and the short frame plate 2 have cavities 6 inside, and both the long frame plate 1 and the short frame plate 2 have ribs 7 inside.

[0067] The external corner fastener 3 includes a fixing surface 31 and a mating surface 32, and a boss structure 5 located between the fixing surface 31 and the mating surface 32. The boss structure 5 includes a first boss plate 51 with one end perpendicular to the fixing surface 31 and a second boss plate 52 with one end perpendicular to the mating surface 32. The other ends of the first boss plate 51 and the second boss plate 52 are connected and perpendicular to each other. The fixing surface 31 is in contact with the outer surface of the long frame plate 1, the first boss plate 51 is in contact with the end of the long frame plate 1, and the end of the short frame plate 2 is in contact with the inner surface of the long frame plate 1. In order to make the outer surface of the short frame plate 2 and the end of the long frame plate 1 at the same horizontal line and form a good frame structure, in this embodiment, the space formed between the second boss plate 52, the short frame plate 2, and the mating surface 32 can just accommodate the external corner fastener 4. The external corner fastener 3 also includes a recessed notch 321. In order to form a good connection between the long plate 1 and the short plate 2 of the vertical frame, the recessed notch 321 is set in a recessed narrowing on the surface of the external corner fastener 3, and its recessed direction is inclined downward along the vertical direction.

[0068] The corner bracket 4 includes a main board 43, which is connected to the short plate 2 of the upright frame via locking screws. The corner bracket 4 also includes a protruding post 41 and a locking device located on the surface of the main board 43. The protruding post 41 includes a post 411 and an end ring 412 for contacting the mating surface 32. In addition, a concave ring 422 is provided on the surface of the post 411 for engaging with the recessed notch 321. This embodiment further simplifies the complexity of the locking device. By fully utilizing the height variation of the column 411 and the concave ring 422, the present invention achieves the function of locking the relative positional relationship between the long plate 1 and the short plate 2 of the frame along the direction of the long plate 1. Specifically, the concave ring 422 is connected to the recessed notch 321. Based on the snap-fit ​​relationship between the concave ring 422 and the recessed notch 321, by increasing the height of the column 411 below the concave ring 422, the tight relationship between the corner clip 4 and the corner fastener 3 along the direction of the long plate 1 of the frame can be increased.

[0069] Example 6

[0070] Please see Figure 5 , 6 11. A prefabricated ceiling panel enclosure structure according to this embodiment includes a long frame plate 1 and a short frame plate 2 arranged opposite to each other. The long frame plate 1 and the short frame plate 2 are connected in sequence to form a frame structure. The short frame plate 2 is located between the long frame plates 1. The long frame plate 1 is provided with external corner fasteners 3 at both ends, and the short frame plate 2 is provided with external corner clips 4 adapted to the external corner fasteners 3 at both ends. Both the long frame plate 1 and the short frame plate 2 have cavities 6 inside, and both the long frame plate 1 and the short frame plate 2 have ribs 7 inside.

[0071] The external corner fastener 3 includes a fixing surface 31 and a mating surface 32, and a boss structure 5 located between the fixing surface 31 and the mating surface 32. The boss structure 5 includes a first boss plate 51 with one end perpendicular to the fixing surface 31 and a second boss plate 52 with one end perpendicular to the mating surface 32. The other ends of the first boss plate 51 and the second boss plate 52 are connected and perpendicular to each other. The fixing surface 31 is in contact with the outer surface of the long frame plate 1, the first boss plate 51 is in contact with the end of the long frame plate 1, and the end of the short frame plate 2 is in contact with the inner surface of the long frame plate 1. In order to make the outer surface of the short frame plate 2 and the end of the long frame plate 1 at the same horizontal line and form a good frame structure, in this embodiment, the space formed between the second boss plate 52, the short frame plate 2, and the mating surface 32 can just accommodate the external corner fastener 4. The external corner fastener 3 also includes a recessed notch 321. In order to form a good connection between the long plate 1 and the short plate 2 of the vertical frame, the recessed notch 321 is set in a recessed narrowing on the surface of the external corner fastener 3, and its recessed direction is inclined downward along the vertical direction.

[0072] The corner bracket 4 includes a main board 43, which is connected to the outer surface of the vertical frame short plate 2 by locking screws. The corner bracket 4 also has a protruding post 41 located on the surface of the main board 43 and a locking device. In this embodiment, the locking device adopts... Figure 5 , 6 The boss 421 is located on the surface of the main board 43. The protrusion direction of the boss 421 is consistent with that of the protruding column 41, but the vertical distance between the farthest point of the boss 421 and the main board 43 is smaller than that between the farthest point of the protruding column 41 and the main board 43. Through the above arrangement, the difference in the protrusion distance between the protruding column 41 and the boss 421 on the surface of the main board 43 can be used to reduce the situation where the connection between the main board 43 and the mating surface 32 is not tight along the direction of the frame length plate 1 when simply using the protruding column 41 to connect the corner fastener 3 and the corner clip 4. This is because the connection between the protruding column 41 and the recessed notch 321 is mismatched. Specifically, the connection relationship between the corner clip 4 and the corner fastener 3 is as follows: the protruding column 41 is slidably engaged at the bottom of the recessed notch 321, and the boss 421 is in contact with the inner surface of the corner fastener 3.

[0073] Example 7

[0074] Please refer to Figure 1 , 2 This embodiment describes the installation of the vertical panel enclosure structure of Embodiment 1 of the present invention. The specific installation steps are as follows: Step A: Select and design the required dimensions of the long frame plate 1 and the short frame plate 2 according to actual needs;

[0075] Step B: Install corner fasteners 3 at both ends of the long plate 1 of the vertical frame, and install corner clips 4 at both ends of the short plate 2 of the vertical frame, ensuring that the position of the corner clips 4 corresponds to the position of the corner fasteners 3;

[0076] Step C: By connecting and assembling the external corner clip 4 and the external corner fastener 3, the protruding columns 41 are all set in the corresponding recessed notches 321;

[0077] Step D: Connect each of the long and short frame plates 1 and 2 in sequence, so that the long and short frame plates 1 and 2 form a frame structure under the action of the corner fasteners 3 and corner clips 4.

[0078] Step F: Lift the overall vertical panel enclosure structure, and during the lifting process, make contact with only the vertical frame long panel 1 as much as possible, and fix it to the perimeter of the high-level flat roof 8;

[0079] Step G: Install the low plate 9 at the lower end of the long plate 1 and the short plate 2 of the vertical frame.

Claims

1. A prefabricated ceiling panel enclosure structure, comprising a long frame plate (1) and a short frame plate (2) arranged opposite to each other, the long frame plate (1) and the short frame plate (2) being connected in sequence to form a frame structure, the short frame plate (2) being located between the long frame plates (1), the long frame plate (1) being provided with corner fasteners (3) at both ends, and the short frame plate (2) being provided with corner clips (4) adapted to the corner fasteners (3) at both ends, the corner clips (4) including a main plate (43), the corner fasteners (3) being a bent structure, the corner fasteners (3) being connected to the long frame plate (1) and simultaneously connected to the main plate (43), characterized in that, The corner clip (4) is also provided with an outwardly protruding column (41) on the surface of the main board (43). The corner fastener (3) is provided with a recessed notch (321) that slides and engages with the outwardly protruding column (41). The recessed notch (321) is recessed and narrowed on the surface of the corner fastener (3). Its recessed direction is inclined downward along the vertical direction. The corner clip (4) is also provided with a locking device for limiting the outwardly protruding column (41) and the recessed notch (321) along the direction of the frame long plate (1). The locking device includes a boss (421) disposed on the surface of the main board (43), the boss (421) being used to abut against the surface of the corner fastener (3); or, The protruding post (41) includes a post (411) and an end ring (412) for contacting the surface of the corner fastener (3). The locking device includes a recessed ring (422) disposed on the surface of the post (411) for engaging with the recessed notch (321); or, The locking device includes a locking edge (423) protruding on two or four sides of the main board (43). The protruding direction of the locking edge (423) is consistent with the protruding direction of the outward-protruding column (41), and the protruding end of the locking edge (423) abuts against the surface of the corner fastener (3).

2. The prefabricated ceiling panel enclosure structure according to claim 1, characterized in that, Both the long plate (1) and the short plate (2) of the vertical frame have cavities (6) inside, and both the long plate (1) and the short plate (2) of the vertical frame have ribs (7) inside.

3. The prefabricated ceiling panel enclosure structure according to claim 1, characterized in that, The external corner fastener (3) includes a fixed surface (31) and a mating surface (32) that are bent and set. The fixed surface (31) is in contact with the vertical frame plate (1), and the mating surface (32) is in contact with the main plate (43). The vertical frame plate (1) is provided with a locking screw that is connected to the fixed surface (31).

4. The prefabricated ceiling panel enclosure structure according to claim 3, characterized in that, The external corner fastener (3) also includes a boss structure (5) located between the fixed surface (31) and the mating surface (32). The boss structure (5) includes a first boss plate (51) with one end perpendicular to the fixed surface (31) and a second boss plate (52) with one end perpendicular to the mating surface (32). The other ends of the first boss plate (51) and the second boss plate (52) are connected and perpendicular to each other.

5. The prefabricated ceiling panel enclosure structure according to claim 4, characterized in that, The first plate (51) of the protrusion is connected to the end of the long plate (1) of the vertical frame, and the end of the short plate (2) of the vertical frame is connected to the long plate (1) of the vertical frame.

6. The installation method of the prefabricated ceiling panel enclosure structure according to any one of claims 1-5, characterized in that, Includes the following steps: Step A: Select and design the required dimensions of the long frame plate (1) and short frame plate (2) according to actual needs; Step B: Install corner fasteners (3) at both ends of the long plate (1) of the vertical frame, and install corner clips (4) at both ends of the short plate (2) of the vertical frame, ensuring that the position of the corner clips (4) corresponds to the position of the corner fasteners (3); Step C: By connecting the corner clip (4) and the corner fastener (3), the protruding columns (41) are all set in the corresponding recessed notches (321); Step D: Connect each of the long and short uprights (1) and the short uprights (2) in sequence, so that the long uprights (1) and the short uprights (2) form a frame structure under the action of the corner fasteners (3) and the corner clips (4).

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