Fabricated suspended ceiling structure

Abstract

The utility model discloses an assembly type suspended ceiling structure which comprises a keel frame and a plurality of decorative plates, and is characterized in that every two adjacent decorative plates are connected through a connecting profile piece; grooves are symmetrically formed in the two side walls of the decorative plate; the connecting profile piece is provided with an inserting plate part, a vertical plate part, a pressing plate part, a left wing plate part and a right wing plate part; the insertion plate part, the vertical plate part and the clamping plate part are combined to form an I shape; wherein the two ends of the plate inserting part are inserted into the grooves of the two decorative plates respectively; the two ends of the pressing plate part are respectively pressed against the upper surfaces of the two decorative plates; the left wing plate part and the right wing plate part are used for supporting the keel frame; the right wing plate part is fixedly connected with the keel frame through a screw; and a screw head sinking groove is formed in the lower side of the right wing plate part. According to the utility model, the operation is simpler, more labor-saving and safer when the suspended ceiling is assembled, the assembly efficiency of the decorative plate can be improved, the decorative plate cannot be damaged, and the reversible installation requirement can be met.

Description

Technical Field

[0001] The utility model relates to an assembled ceiling structure. Background Art

[0002] Prefabricated ceiling (or integrated ceiling) is a ceiling that can meet various functions by assembling prefabricated products in the factory at the construction site according to the design requirements to complete the base and surface integration. The closest prior art to this application is a prefabricated ceiling (such as the authorization number CN211473038U), which has the following deficiencies and is analyzed as follows:

[0003] First, when the decorative panels of the above-mentioned existing assembled ceilings are assembled and fixed, the screws (or screws) will be directly driven into the decorative panels, and the thickness of the decorative panels is small. When the first screws or screws are driven in, the decorative panels may be swollen, cracked, deformed, etc., affecting the quality; at the same time, the decorative panels will no longer be complete, affecting the recycling and secondary use (such as sample rooms, etc.), and become irreversible installation;

[0004] Second, the decorative panels of the above-mentioned existing assembled ceilings (such as CN211473038U) are screwed downwards during assembly, which requires the operator to have his head higher than the keel and turn his head over the keel to screw, which is very inconvenient and has low assembly efficiency. For example, in the first embodiment, when the decorative panels are assembled from left to right, screwing on the left side of the connecting piece is very difficult and inconvenient. Utility Model Content

[0005] The utility model provides an assembled ceiling structure to solve the problems of the existing ceiling structure that the decorative panels are difficult to assemble, the assembly efficiency is low, the decorative panels may be damaged, and the installation is irreversible.

[0006] In order to achieve the above object, the solution of the utility model is: an assembled ceiling structure, including a keel frame and a plurality of decorative panels, characterized in that: two adjacent decorative panels are connected by a connecting profile; grooves are symmetrically provided on the two side walls of the decorative panels;

[0007] The connecting profile comprises a plug plate portion, a vertical plate portion, a pressure plate portion, a left wing plate portion and a right wing plate portion; the plug plate portion, the vertical plate portion and the pressure plate portion are combined to form an I shape;

[0008] Among them, the two ends of the plug plate part are respectively inserted into the grooves of the two decorative panels; the two ends of the pressure plate part are respectively pressed against the upper surfaces of the two decorative panels; the left wing plate part and the right wing plate part are used to support the keel frame; the right wing plate part is fixedly connected to the keel frame by a first screw; and a screw head groove is provided on the lower side of the right wing plate part.

[0009] With the above scheme, when assembling the decorative panels from left to right, first plug the left side of the connecting profile into position with the right part of the left decorative panel and make the left and right wing panels of the connecting profile support the keel frame, then drive the first screw upwards into the screw head groove of the connecting profile to fix the right wing panel and the keel frame together, then plug the left part of the right decorative panel into position with the right side of the connecting profile, and then complete the fixed assembly between the two adjacent decorative panels. Then, the above operations are repeated to complete the ceiling assembly of all decorative panels. This technical solution has the following features and is analyzed as follows:

[0010] First, during assembly, both sides of the connecting profile and the two adjacent decorative panels are plug-in-matched, which can achieve quick splicing, simple operation, and can maintain mutual stability and flatness;

[0011] Second, during assembly, since the connecting profile is fixed to the keel frame by driving the first screw upward, the operator is located below the keel frame and operates at a low position, which makes assembly more labor-saving and safer. The driving position and driving state of the first screw can be directly observed, which makes the operation simple and convenient for alignment, thereby improving the driving efficiency of the screw.

[0012] Third, during assembly, the screw head of the first screw is located in the screw head recess and after assembly, the screw head will not hit the upper surface of the decorative plate, thus avoiding interference;

[0013] Fourth, since each decorative panel will not be damaged after assembly and maintains integrity, it is detachable and reusable and conforms to reversible installation to maximize the utilization of resources;

[0014] In summary, the above technical solution can solve the problems of the existing ceiling structure that the decorative panels are difficult to assemble, the assembly efficiency is low, the decorative panels may be damaged, and the installation is irreversible.

[0015] Furthermore, the left and right side walls of the decorative panel each have an upper side wall portion, a groove and a lower side wall portion; and the lower side wall portion protrudes outward from the upper side wall portion and the protruding distance is exactly equal to half the thickness of the vertical plate portion.

[0016] Furthermore, a lower plate portion extending downward is provided in the middle of the plug plate portion; the lower plate portion, the plug plate portion, the vertical plate portion and the pressing plate portion are combined to form an inverted "earth" shape; the lower end surface of the lower plate portion is flush with the lower surface of the decorative plate.

[0017] Preferably, the connecting profile is made of stainless steel, aluminum alloy or plastic.

[0018] Preferably, the right wing plate portion is in an inverted V-shaped plate or in an inverted U-shaped plate.

[0019] Preferably, the screws are self-tapping screws.

[0020] Furthermore, the decorative panel has a fireproof layer and / or a sound insulation layer and / or a heat preservation layer.

[0021] Preferably, the keel frame includes a plurality of longitudinal bone beams arranged side by side at equal intervals and a plurality of transverse bone beams arranged side by side at equal intervals; the intersections between each of the longitudinal bone beams and each of the transverse bone beams are connected by a polygonal plate; and the right wing plate is fixedly connected to the longitudinal bone beams by a first screw.

[0022] Furthermore, the upper end surfaces of the left wing plate portion and the right wing plate portion are both higher than the upper surface of the pressing plate portion, so that there is an avoidance gap between the pressing plate portion and the longitudinal bone beam.

[0023] Preferably, the transverse bone beam cross-section is C-shaped, rectangular or U-shaped.

[0024] Preferably, the longitudinal bone beam has a U-shaped cross-section.

[0025] Beneficial effects of the utility model:

[0026] First, the utility model adopts a different structural design from the existing one, which can solve the problems of the existing ceiling structure in that the decorative panels are difficult to assemble, the assembly efficiency is low, the decorative panels will be damaged, and the installation is irreversible;

[0027] Second, the utility model can realize quick splicing, simple operation, and can maintain mutual stability and flatness because both sides of the connecting profile are plug-in-matched with the two adjacent decorative panels;

[0028] Third, since the connecting profile of the utility model is fixed with the keel frame by driving the first screw upward, the operator is located below the keel frame and operates at a low position, which makes assembly more labor-saving and safer, and the driving position and driving state of the first screw can be directly observed, which is simple to operate and convenient for alignment, thereby improving the driving efficiency of the screw;

[0029] Fourthly, in the present invention, since the screw head of the first screw is located in the screw head recess, the screw head will not hit the upper surface of the decorative plate after assembly;

[0030] Fifth, the utility model does not damage the decorative panels after assembly and maintains integrity. It is detachable and reusable and can be reversibly installed to maximize the use of resources.

[0031] Sixth, in the utility model, since the left and right side walls of the decorative panel both have an upper side wall portion, a groove and a lower side wall portion; and the lower side wall portion protrudes outward from the upper side wall portion and the protruding distance is exactly equal to half the thickness of the vertical plate portion, when two adjacent decorative panels are plugged into and matched with the connecting profiles, the lower side wall portions of the two decorative panels are just in contact and aligned, which can achieve a seamless splicing and completely flat effect, and can improve the appearance quality; since there is no relative displacement and loose gap, the matching stability is improved, and dust will not enter, which is easy to clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a front view of an assembled ceiling structure in the first embodiment of the utility model.

[0033] Figure 2 It is a three-dimensional diagram of an assembled ceiling structure in the first embodiment of the utility model.

[0034] Figure 3 yes Figure 1 Enlarged view of point A in the middle.

[0035] Figure 4 yes Figure 2 Enlarged view of point B in the middle.

[0036] Figure 5 yes Figure 4 Enlarged view of center C.

[0037] Figure 6 It is a cross-sectional view of a connecting profile member in the first embodiment of the utility model.

[0038] Figure 7 It is a three-dimensional diagram of a connecting profile member in the first embodiment of the utility model.

[0039] Figure 8 It is a three-dimensional diagram of a decorative plate in the first embodiment of the present utility model.

[0040] Fig. 9 yes Figure 8 Enlarged view of point D in the middle.

[0041] Fig.10 It is a partial front view of an assembled ceiling structure in Example 2 of the utility model.

[0042] Fig.11 It is a front view of a decorative panel in the second embodiment of the present utility model.

[0043] Fig.12 It is a partial front view of an assembled ceiling structure in Example 3 of the utility model.

[0044] Fig.13It is a cross-sectional view of a decorative panel in the fourth embodiment of the present utility model. DETAILED DESCRIPTION

[0045] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0046] Example 1: See Figure 1-2 , an assembled ceiling structure, including a keel frame 2 and a plurality of decorative panels 3.

[0047] See also Figure 1-5 In this embodiment, the keel frame 2 includes a plurality of longitudinal beams 2-1 arranged side by side at equal intervals and a plurality of transverse beams 2-2 arranged side by side at equal intervals; the intersections between the longitudinal beams 2-1 and the transverse beams 2-2 are connected by a shaped plate 2-3. The transverse beams 2-2 are mounted on the shaped plates 2-3 and fixed together (such as by welding or bolting); and during assembly, the bottom edges 2-31 on both sides of the shaped plates 2-3 are fixed to the longitudinal beams 2-1 by second screws 2-4 (preferably self-tapping screws).

[0048] See also Figure 3-5 In addition, the upper end surface of the left wing plate portion 4-4 and the upper end surface of the right wing plate portion 4-5 are higher than the upper surface of the pressing plate portion 4-3, so that there is a clearance gap K between the pressing plate portion 4-3 and the longitudinal bone beam 2-1. When the tip of the second screw 2-4 (such as a self-tapping screw) is self-drilled and sequentially passes through the side bottom edge 2-31 of the shaped plate 2-3 and the longitudinal bone beam 2-1, and then enters the clearance gap K for avoidance after passing out, compared with the conventional one that does not pass out, this embodiment increases the effective thread matching length of the second screw 2-4, which can improve the connection strength.

[0049] See also Figure 1-2 During assembly, a row of suspension rods 1 are fixedly mounted on each transverse beam 2-2 of the keel frame 2, and the suspension rods 1 are used to connect to the top of the wall. The lower end of the suspension rod 1 is detachably fixed to the transverse beam 2-2 by a hanger (which belongs to the existing conventional structure, so it is not described in detail).

[0050] See also Figure 3-5 In this embodiment, the cross section of the transverse bone beam 2-2 is C-shaped, rectangular, U-shaped, etc.

[0051] See also Figure 3-5 In this embodiment, the cross section of the longitudinal bone beam 2-1 is U-shaped. During assembly, the bottom edges 2-31 of the two sides of the shaped plate 2-3 are located inside the longitudinal bone beam 2-1 and keep contact with the inner bottom surface of the longitudinal bone beam 2-1 and then fixed by the second self-tapping screw 2-4. The second self-tapping screw 2-4 is driven downward with the head facing upward.

[0052] See also Figure 1-2 , and the two adjacent decorative panels 3 are connected by the connecting profile 4.

[0053] See also Figure 8-9 The decorative plate 3 has grooves 3 - 1 symmetrically arranged on both side walls.

[0054] See also Figure 6-7 In this embodiment, the connecting profile 4 has an insert plate portion 4-1, a vertical plate portion 4-2, a pressure plate portion 4-3, a left wing plate portion 4-4 and a right wing plate portion 4-5; the insert plate portion 4-1, the vertical plate portion 4-2 and the clamping plate portion 4-3 are combined to form an I-shape, and a screw head countersunk groove 4-51 is provided on the lower side of the right wing plate portion 4-5.

[0055] See also Figure 3-5 After assembly, both ends of the plug-in plate portion 4 - 1 are respectively inserted into the grooves 3 - 1 of the two decorative panels 3 .

[0056] Preferably, the thickness of the inserting plate portion 4-1 matches the width of the groove 3-1 and an interference fit is adopted, which can prevent loosening and make the assembly of two adjacent decorative plates 3 smoother.

[0057] See also Figure 3-5 After assembly, the two ends of the pressing plate part 4-3 are respectively pressed against the upper surfaces of the two decorative panels 3; the plug plate part 4-1 and the pressing plate part 4-3 are combined to clamp the upper side parts of the two decorative panels 3, which can further restrain the force, make it more firm and stable, and at the same time, the positioning is more accurate, the matching accuracy is higher, and the splicing state is better.

[0058] See also Figure 3-5 The left wing plate portion 4-4 and the right wing plate portion 4-5 are used to support the keel frame 2, and the right wing plate portion 4-5 is fixedly connected to the keel frame 2 by a first screw 5; the left and right supports are adopted, and the force effect is better, which can improve the stability of the connecting profile 4 after being fixed to the keel frame 2, and can avoid the loosening and deformation of the connecting profile 4 under force.

[0059] See also Figure 6-7 Specifically, the right wing plate portion 4-5 may be an inverted V-shaped plate or an inverted U-shaped plate. In this way, the lower side of the right wing plate portion 4-5 has a screw head countersunk groove 4-51. The depth of the screw head countersunk groove 4-3 is greater than the height of the screw head of the first screw 5. Figure 3-4 During assembly, the screw head of the first screw 5 is located in the screw head recess 4 - 51 and the screw head will not hit the upper surface of the decorative panel 3 after assembly.

[0060] Specifically, the left wing plate portion 4 - 4 may be an inverted V-shaped plate or an inclined plate.

[0061] Preferably, the connecting profile member 4 is made of stainless steel, aluminum alloy or plastic.

[0062] Preferably, the first screw 5 is a self-tapping screw, which is easy to install, reliable in firmness, not easy to fall off, and can better grasp the fixed object.

[0063] See also Figure 1-5 , the assembly method of this embodiment is as follows:

[0064] The first step is to hang the keel frame 2 on the top of the wall: first, a plurality of transverse beams 2-2 are connected and fixed to the roof through the hanger 1 and spaced apart; then a plurality of longitudinal beams 2-1 and a plurality of transverse beams 2-2 are distributed in a well shape; and the intersections between the longitudinal beams 2-1 and the transverse beams 2-2 are connected by a shaped plate 2-3 and fixed by a second screw 2-4 (i.e., a self-tapping screw), and the longitudinal beams 2-1 are required to be distributed at equal intervals (see Figure 1-2 );

[0065] The second step is to install each decorative panel 3 on the keel frame 2 (for example, assembling the decorative panel 3 from the left to the right): first, plug the left side of the connecting profile 4 into place with the right part of the left decorative panel 3, and make the left wing plate part 4-4 and the right wing plate part 4-5 of the connecting profile 4 keep supporting the keel frame 2, and then drive the first screw 5 (i.e., self-tapping screw) upward into the screw head groove 4-51 of the connecting profile 4 to fix the right wing plate part 4-5 and the keel frame 2 together, and then plug the left part of the right decorative panel 3 into place with the right side of the connecting profile 4, thereby completing the fixed assembly between the two adjacent decorative panels 3 (see Figure 3-5 ); and then complete the ceiling assembly of all decorative panels 3 by repeating the operation (see Figure 1-2 ).

[0066] This embodiment has the following characteristics and is analyzed as follows:

[0067] First, during assembly, both sides of the connecting profile 4 and the two adjacent decorative panels 3 are plug-fitted, which can achieve rapid splicing, simple operation, and can maintain mutual stability and flatness;

[0068] Second, during assembly, since the connecting profile 4 is fixed to the keel frame 2 by driving the first screw 5 upward, the operator is located below the keel frame 2 and operates at a low position, which makes assembly more labor-saving and safer. The driving position and driving state of the screw 5 can be directly observed, which makes the operation simple and convenient for alignment, thereby improving the driving efficiency of the screw.

[0069] Third, during assembly, the screw head of the first screw 5 is located in the screw head recess 4 - 51 and after assembly, the screw head will not hit the upper surface of the decorative plate 3 ;

[0070] Fourth, since each decorative panel remains intact without being damaged after assembly, it is detachable, reusable, and meets the requirements of reversible installation, thus maximizing the utilization of resources.

[0071] Therefore, this embodiment can solve the problems of the existing ceiling structure, such as difficult operation during the assembly of decorative panels, low assembly efficiency, damage to decorative panels, and irreversible installation. This embodiment makes the operation during ceiling assembly simpler, more labor-saving and safe, improves the assembly efficiency of decorative panels, does not damage decorative panels, and can meet the requirements of reversible installation.

[0072] Embodiment 2: This embodiment is basically the same as Embodiment 1, except that:

[0073] See Figure 10-11 , both the left and right side walls of the decorative panel 3 have an upper side wall portion 3-2, a groove 3-1, and a lower side wall portion 3-3; and the lower side wall portion 3-3 protrudes outward from the upper side wall portion 3-2, and the protruding distance is exactly half of the thickness value h of the vertical plate portion 4-2. In this way, when the two decorative panels 3 on the left and right are inserted and matched with the connecting profile member 4, the lower side wall portions 3-3 of the two decorative panels 3 just come into contact and align, achieving a seamless splicing and completely flat effect, which can improve the appearance quality; since there is no relative displacement and loose gap, the matching stability is improved, and no dust will enter, making it easy to clean.

[0074] Embodiment 3: This embodiment is basically the same as Embodiment 1, except that:

[0075] See Fig.12 , in this embodiment, a lower plate portion 4-6 extending downward is provided in the middle of the insertion plate portion 4-1; the lower plate portion 4-6, the insertion plate portion 4-1, the vertical plate portion 4-2, and the pressing plate portion 4-3 are combined to form an inverted "soil" character shape; the lower end surface of the lower plate portion 4-6 is flush with the lower surface of the decorative panel 3.

[0076] In this way, when the two decorative panels 3 on the left and right are inserted and matched with the connecting profile member 4, the lower end surfaces of their lower plate portions 4-6 are flush with the lower surfaces of the two decorative panels 3 on the left and right at the same time, achieving a seamless splicing and completely flat effect, which can improve the appearance quality; since there is no relative displacement and loose gap, the matching stability is improved, and no dust will enter, making it easy to clean.

[0077] Embodiment 4: This embodiment is basically the same as Embodiment 1 or 2 or 3, except that:

[0078] See Fig.13 , in this embodiment, the decorative panel 3 includes a decorative layer 301 and a functional layer 302; the functional layer 302 can be a fireproof layer, a sound insulation layer, a heat insulation layer, or any combination of at least two. In this way, the decorative panel 3 can meet different effects and usage requirements according to the different performances of the functional layer.

[0079] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. An assembled ceiling structure, comprising a keel frame (2) and a plurality of decorative panels (3), characterized in that: Two adjacent decorative plates (3) are connected by a connecting profile member (4); symmetric grooves (3-1) are provided on both side walls of the decorative plate (3). The connecting profile member (4) has an insertion plate portion (4-1), a vertical plate portion (4-2), a pressing plate portion (4-3), a left wing plate portion (4-4) and a right wing plate portion (4-5); the insertion plate portion (4-1), the vertical plate portion (4-2) and the pressing plate portion (4-3) are combined to form an I-shaped structure. Wherein, both ends of the insertion plate portion (4-1) are respectively inserted into the grooves (3-1) of the two decorative plates (3); both ends of the pressing plate portion (4-3) are respectively pressed against the upper surfaces of the two decorative plates (3); the left wing plate portion (4-4) and the right wing plate portion (4-5) are used to support the keel frame (2); the right wing plate portion (4-5) is fixedly connected to the keel frame (2) by a first screw (5); a screw head counterbore (4-51) is provided on the lower side of the right wing plate portion (4-5).

2. The assembled ceiling structure according to claim 1, characterized in that: Both the left and right side walls of the decorative plate (3) have an upper side wall portion (3-2), a groove (3-1) and a lower side wall portion (3-3); and the lower side wall portion (3-3) protrudes outward from the upper side wall portion (3-2) by a distance exactly equal to half of the thickness of the vertical plate portion (4-2).

3. The assembled ceiling structure according to claim 1, characterized in that: A lower plate portion (4-6) extending downward is provided in the middle of the insertion plate portion (4-1); the lower plate portion (4-6), the insertion plate portion (4-1), the vertical plate portion (4-2) and the pressing plate portion (4-3) are combined to form an inverted "tu" character shape; the lower end surface of the lower plate portion (4-6) is flush with the lower surface of the decorative plate (3).

4. The assembled ceiling structure according to claim 1, characterized in that: The right wing plate portion (4-3) is in the shape of an inverted V-shaped plate or an inverted U-shaped plate.

5. The assembled ceiling structure according to claim 1, characterized in that: The screw (4) is a self-tapping screw.

6. The assembled ceiling structure according to claim 1, characterized in that: The decorative plate (3) has a fireproof layer or / and a sound insulation layer or / and a heat insulation layer.

7. The assembled ceiling structure according to claim 1, characterized in that: The keel frame (2) includes a plurality of longitudinally arranged bone beams (2-1) arranged side by side at equal intervals and a plurality of transversely arranged bone beams (2-2) arranged side by side at equal intervals; the intersections between the longitudinally arranged bone beams (2-1) and the transversely arranged bone beams (2-2) are connected by L-shaped plates (2-3); the right wing plate portion (4-5) is fixedly connected to the longitudinally arranged bone beam (2-1) by a first screw (5).

8. The assembled ceiling structure according to claim 7, characterized in that: The upper end surfaces of the left wing plate portion (4-4) and the right wing plate portion (4-5) are both higher than the upper surface of the pressing plate portion (4-3), so that there is a clearance gap (K) between the pressing plate portion (4-3) and the longitudinally arranged bone beam (2-1).

9. An assembled ceiling structure according to claim 7 or 8, characterized in that: The cross-section of the transversely arranged bone beam (2-2) is C-shaped or rectangular or U-shaped.

10. An assembled ceiling structure according to claim 7 or 8, characterized in that: The cross-section of the longitudinally arranged bone beam (2-1) is U-shaped.

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