Suspended ceiling mounting structure

By introducing keel components and height adjustment structures into the ceiling installation structure, the position of the sub-keel is slidingly adjusted, and the installation inconvenience caused by the offset of the aluminum plate and the keel is solved, and efficient installation of honeycomb aluminum plates is achieved, labor saving and installation efficiency is improved .

CN222275904UActive Publication Date: 2024-12-31HANGZHOU ZENCOOL NEW MATERIALS TECH CO LTD
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Patent Information

Application Number
CN202420257894.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-02
Publication Date
2024-12-31
Estimated Expiration
2034-02-02

AI Technical Summary

Technical Problem

In the prior art, the relative positional offset between the aluminum plate and the keel causes a large gap or failure to install adjacent aluminum plates, resulting in inconvenient installation and time-consuming and labor-intensive.

Method used

A ceiling installation structure is designed, including a keel assembly and a height adjustment structure. Through the movable connection between the female keel and the child keel and the cooperation of the shaped and L-shaped mounting parts, the position of the child keel is slid to ensure the fit of the honeycomb aluminum plate. Avoid gaps and misalignment.

Benefits of technology

It realizes convenient installation of honeycomb aluminum plates, saves labor, improves work efficiency, and avoids the removal and reinstallation process of aluminum plates and keels.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a suspended ceiling installation structure which comprises a keel assembly, a height adjusting structure installed on the top of the keel assembly and a honeycomb aluminum plate installed on the keel assembly, and a pair of parallel side faces of the honeycomb aluminum plate are provided with inserting grooves matched with the keel assembly. Through the arrangement of the keel assembly, the primary keel and the secondary keel are movably connected, and the position of the secondary keel on the primary keel can be adjusted in cooperation with the U-shaped mounting part and the L-shaped mounting part, so that the honeycomb aluminum plate connected to the secondary keel can be adjusted, and the honeycomb aluminum plate is attached to the honeycomb aluminum plate on the primary keel; the situation that the adjacent honeycomb aluminum plates on the adjacent mother keels and son keels have large gaps and cannot be installed is avoided, so that the situation that the aluminum plates and the keels need to be dismantled and reinstalled is avoided, the honeycomb aluminum plates are installed more conveniently, labor is saved, and working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of interior decoration, and particularly relates to a ceiling installation structure. Background Art

[0002] A ceiling refers to a kind of decoration for the top decoration of a house living environment. The ceiling has the functions of heat preservation, heat insulation, sound insulation and sound absorption, and is also a concealed layer for projects such as electrical appliances, ventilation and air conditioning, communication, fire prevention, and alarm pipeline equipment.

[0003] Honeycomb aluminum panel is a series of metal composite panel products developed by combining the composite honeycomb panel technology of the aviation industry; this product adopts a "honeycomb sandwich" structure, that is, a high-strength alloy aluminum plate with a decorative coating with excellent weather resistance on the surface is used as the top and bottom plates, and is compounded with an aluminum honeycomb core under high temperature and high pressure to form a composite plate, which is widely used in the fields of civil architecture, vehicle and ship decoration, etc. Therefore, more and more people choose to use honeycomb aluminum panels as ceilings.

[0004] The prior art is to install the aluminum plate on the keel, and then install the keel at the top position in the room. However, there is a deviation in the installation position between the aluminum plate and the keel, that is, the relative position between the keel and the aluminum plate is offset, which will cause a large gap or misalignment between adjacent aluminum plates and make installation impossible. At this time, the installation plate needs to be removed and reinstalled, which is time-consuming and laborious and very inconvenient to use.

[0005] Therefore, the utility model proposes a ceiling installation structure. Summary of the Utility Model

[0006] The purpose of the utility model is to propose a ceiling installation structure to solve the problem that when installing the existing aluminum plate in the background art, there is an offset in the relative position between the keel and the aluminum plate, resulting in a large gap between adjacent aluminum plates or impossible installation.

[0007] To achieve the above purpose, the utility model proposes a ceiling installation structure, which includes a keel assembly, a height adjustment structure installed on the top of the keel assembly, and a honeycomb aluminum panel installed on the keel assembly. A pair of parallel sides of the honeycomb aluminum panel are provided with slots that cooperate with the keel assembly.

[0008] Optionally, the keel assembly includes a mother keel for installing the honeycomb aluminum panel and a son keel connected to another honeycomb aluminum panel; the mother keel includes an L-shaped installation part, and the son keel includes a C-shaped installation part. The C-shaped installation part is movably connected to the L-shaped installation part, and the C-shaped installation part can slide at the L-shaped installation part to adjust the cooperation of the two honeycomb aluminum panels.

[0009] Optionally, the main keel further includes a first vertical plate, a first connecting top plate installed at the top of the first vertical plate and connected to the height adjustment structure, a first insertion plate installed at the bottom of the first vertical plate, and a first fitting plate installed on the first vertical plate between the first connecting top plate and the first insertion plate; the L-shaped installation part for installing the sub-keel is also installed on the first vertical plate; the first insertion plate is adapted to the slot.

[0010] Optionally, the first connecting top plate, the first insertion plate, the first fitting plate and the L-shaped installation part are all installed on two parallel side surfaces of the first vertical plate; wherein, the first connecting top plate, the first insertion plate and the first fitting plate are all located on one of the parallel side surfaces, and the L-shaped installation part is located on the other parallel side surface.

[0011] Optionally, a support cross plate is provided at the top of the L-shaped installation part, the support cross plate is located in the U-shaped groove of the U-shaped installation part, and an avoidance groove is formed between the end of the support cross plate and the first vertical plate.

[0012] Optionally, the sub-keel further includes a bent part installed at the bottom of the U-shaped installation part, a second fitting plate installed at the bottom of the bent part, and a second insertion plate installed at the bottom of the second fitting plate, the second insertion plate is adapted to the slot; the bottom surfaces of the first fitting plate and the second fitting plate are both in contact with the top surface of the honeycomb aluminum plate.

[0013] Optionally, the bending direction of the bent part is the same as the opening direction of the honeycomb aluminum plate slot installed on the sub-keel.

[0014] Optionally, limit bolts connected to the honeycomb aluminum plate are installed on the top surfaces of the second fitting plate and the first fitting plate; anti-loosening structures are provided on both the second insertion plate and the first insertion plate.

[0015] Optionally, the height adjustment structure includes a lead screw, an expansion bolt installed at the top of the lead screw, and two positioning nuts installed on the lead screw; the first connecting top plate is movably connected to the lead screw, and the first connecting top plate is located between the two positioning nuts.

[0016] Optionally, the height adjustment structure includes a lead screw, an expansion bolt installed at the top of the lead screw, a connecting frame installed at the bottom end of the lead screw, a main keel installed in the connecting frame, a keel group hanging member installed on the main keel, and the main keel is installed on the keel group hanging member.

[0017] Optionally, the main keel is connected to a plurality of keel group hanging members; the keel group hanging member includes a connecting part installed on the main keel, a hanging part installed at the bottom of the connecting part, and a hanging groove is provided on the hanging part; the main keel further includes a second vertical plate installed at the other end of the first fitting plate, and a second connecting top plate installed at the top of the second vertical plate, and hanging plates corresponding to the hanging groove are provided on both the second connecting top plate and the first connecting top plate.

[0018] Compared with the prior art, the utility model provides a ceiling installation structure, which has the following beneficial effects:

[0019] In the ceiling installation structure, through the arrangement of the keel assembly, the mother keel and the son keel are movably connected. With the cooperation of the U-shaped installation part and the L-shaped installation part, the position of the son keel on the mother keel can be adjusted, so that the honeycomb aluminum plate connected to the son keel can be adjusted, making the honeycomb aluminum plate fit with the honeycomb aluminum plate on the mother keel, avoiding large gaps and impossible installation between adjacent honeycomb aluminum plates on adjacent mother keels and son keels, thus avoiding the need to remove and reinstall the aluminum plate and the keel, making the installation of the honeycomb aluminum plate more convenient, saving labor and improving work efficiency. Description of the Drawings

[0020] Figure 1 is a schematic diagram of the ceiling installation structure in Embodiment 1 of the utility model.

[0021] Figure 2 is the utility model Figure 1 Partial enlarged view of A in

[0022] Figure 3 is the utility model Figure 1 Partial enlarged view of B in

[0023] Figure 4 is the utility model Figure 1 Partial enlarged view of C in

[0024] Figure 5 is a schematic diagram of the structure of the honeycomb aluminum plate of the utility model.

[0025] Figure 6 is a schematic diagram of the structure of the keel assembly in Embodiment 1 of the utility model.

[0026] Figure 7 is a schematic diagram of the structure of the son keel in the utility model.

[0027] Figure 8 is a schematic diagram of the ceiling installation structure in Embodiment 2 of the utility model.

[0028] Fig. 9 is a schematic diagram of the structure of the keel assembly in Embodiment 2 of the utility model.

[0029] Fig.10 is a schematic diagram of the structure of the keel group hanger in Embodiment 2 of the utility model.

[0030] Identifications in the figure: 1. Keel assembly; 11. Female keel; 111. L-shaped mounting part; 112. First vertical plate; 113. First connecting top plate; 114. First insertion plate; 115. First mating plate; 116. Support cross plate; 117. Avoidance groove; 118. Second vertical plate; 119. Second connecting top plate; 12. Male keel; 121. C-shaped mounting part; 122. Bending part; 123. Second mating plate; 124. Second insertion plate; 2. Height adjustment structure; 21. Lead screw; 22. Expansion bolt; 23. Locking nut; 24. Connecting frame; 25. Main keel; 26. Keel group hanger; 261. Connecting part; 262. Hanging part; 263. Hanging groove; 264. Hanging plate; 3. Honeycomb aluminum panel; 31. Insertion slot; 4. Limit bolt; 5. Anti-loosening structure. Detailed implementation manners

[0031] The following will be described in detail in combination with the drawings and specific implementations. Many specific details are set forth in the following description in order to provide a thorough understanding of the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0032] A ceiling installation structure of the present application can be applicable to occasions such as hoisting honeycomb aluminum panels, and of course can also be used in other similar application scenarios. The following will describe a ceiling installation structure in detail.

[0033] Refer to the attached Figure 1 — Figure 7 As shown in the figure, a structural schematic diagram of a preferred embodiment of a ceiling installation structure of the present application is shown. The ceiling installation structure includes a keel assembly 1, a height adjustment structure 2 installed on the top of the keel assembly 1, and a honeycomb aluminum panel 3 installed on the keel assembly 1. The honeycomb aluminum panel 3 is provided with insertion slots 31 on a pair of parallel side surfaces that cooperate with the keel assembly 1; the keel assembly 1 includes a female keel 11 for installing the honeycomb aluminum panel 3 and a male keel 12 connected to another honeycomb aluminum panel 3; wherein, the female keel 11 includes an L-shaped mounting part 111, and the male keel 12 includes a C-shaped mounting part 121. The C-shaped mounting part 121 is movably connected to the L-shaped mounting part 111, and the C-shaped mounting part 121 can slide at the L-shaped mounting part 111.

[0034] The utility model can adjust the height of the keel assembly 1 through the arrangement of the height adjustment structure 2, and can adjust the height of the honeycomb aluminum plate 3 according to the floor height of the room and the needs of users, so as to expand the scope of use and meet the user's needs. Through the arrangement of the keel assembly 1, the keel assembly 1 is divided into a female keel 11 and a male keel 12, and a honeycomb aluminum plate 3 is installed on both the female and male keels. By adjusting the positions of the female and male keels, the position of the honeycomb aluminum plate 3 is adjusted, so as to facilitate the adjustment of adjacent honeycomb aluminum plates 3 and avoid large gaps or misalignments between adjacent honeycomb aluminum plates 3. Through the arrangement of the L-shaped installation part 111 of the female keel 11 and the U-shaped installation part 121 of the male keel 12, the male keel 12 slides and adjusts along the L-shaped installation part 111 of the female keel 11 through the U-shaped installation part 121, so that the honeycomb aluminum plate 3 connected to the male keel 12 can be adaptively adjusted, that is, adjacent honeycomb aluminum plates 3 can be adjusted, thereby avoiding large gaps or misalignments between adjacent honeycomb aluminum plates 3, ensuring the normal installation of the honeycomb aluminum plate 3, and enabling the honeycomb aluminum plate 3 not to be disassembled from the keel, thereby improving the installation efficiency and reducing the labor intensity of workers.

[0035] Refer to the appendix Figure 6 and Figure 7 As shown in the figure, in the utility model, the female keel 11 further includes a first vertical plate 112, a first connecting top plate 113 installed at the top of the first vertical plate 112 and connected to the height adjustment structure 2, a first plug board 114 installed at the bottom of the first vertical plate 112, and a first matching plate 115 installed on the first vertical plate 112 between the first connecting top plate 113 and the first plug board 114; the L-shaped installation part 111 is also installed on the first vertical plate 112; the first plug board 114 is adapted to the slot 31.

[0036] Through the arrangement of the first vertical plate 112, the utility model provides an installation position for the first connecting top plate 113, the first plug board 114, the first matching plate 115 and the L-shaped installation part 111; through the arrangement of the first connecting top plate 113, the female keel 11 can be movably installed on the height adjustment structure 2, and the height of the honeycomb aluminum plate 3 can be adjusted according to the user's needs; through the arrangement of the first plug board 114, the female keel can be connected and matched with a honeycomb aluminum plate 3, and the honeycomb aluminum plate 3 can be hoisted and fixed; through the arrangement of the first matching plate 115, the bottom surface of the first matching plate 115 is in contact with the top surface of the honeycomb aluminum plate 3, so as to limit the position of the honeycomb aluminum plate 3 and ensure that the relative position of the honeycomb aluminum plate 3 and the keel will not shift.

[0037] It should be particularly noted that the honeycomb aluminum plate 3 includes an aluminum plate, an installation groove provided on the aluminum plate, a honeycomb plate filled in the installation groove, and the slot 31 is provided on the honeycomb plate.

[0038] Refer to the appendix Figure 6 and Figure 7 As shown, in the present utility model, the first connecting top plate 113, the first plug plate 114, the first mating plate 115 and the L-shaped mounting portion 111 are all mounted on two parallel side surfaces of the first vertical plate 112; the first connecting top plate 113, the first plug plate 114 and the first mating plate 115 are all located on one of the parallel side surfaces, and the L-shaped mounting portion is located on the other parallel side surface.

[0039] In the present utility model, by arranging the first connecting top plate 113, the first plug plate 114 and the first mating plate 115 on one side surface of the first vertical plate 112, the honeycomb aluminum plate 3 is located on one side surface of the main keel 11, and by arranging the L-shaped mounting portion 111 on the other side surface of the first vertical plate 112 that is parallel to the aforementioned side surface, the honeycomb aluminum plate 3 on the secondary keel 12 is located on the other side surface of the main keel 11, thus avoiding interference between the two honeycomb aluminum plates 3.

[0040] Refer to the appendix Figure 6 and Figure 7 As shown, in the present utility model, the L-shaped mounting portion 111 is provided with a support cross plate 116. The support cross plate 116 is located in the U-shaped groove of the U-shaped mounting portion 121, and an avoidance groove 117 is formed between the end of the support cross plate 116 and the first vertical plate 112. Through the arrangement of the support cross plate 116 in the present utility model, the contact area between the L-shaped mounting portion 111 and the U-shaped mounting portion 121 is increased, making the cooperation between the U-shaped mounting portion 121 and the L-shaped mounting portion 111 more stable, and making the cooperation between the secondary keel 12 and the main keel 11 more stable; through the arrangement of the avoidance groove 117, one side of the U-shaped mounting portion 121 is avoided, enabling the support cross plate 116 to enter the U-shaped groove of the U-shaped mounting portion 121; it should be particularly noted that the groove width of the U-shaped groove is greater than the width of the support cross plate 116, and both the width of the support cross plate 116 and the groove width of the U-shaped groove refer to the transverse width. The thickness of one side of the U-shaped mounting portion 121 is less than the groove width of the avoidance groove 117. Through the above limitations, it is ensured that the secondary keel 12 can move horizontally, and since the longitudinal directions of the L-shaped mounting portion 111 and the U-shaped mounting portion 121 are not limited, the secondary keel 12 can be longitudinally adjusted, so that the honeycomb aluminum plate 3 on the secondary keel 12 can be adjusted based on the honeycomb aluminum plate 3 on the main keel 11.

[0041] Refer to the appendix Figure 6 and Figure 7As shown in the figure, in the present utility model, the secondary keel 12 further includes a bent portion 122 installed at the bottom of the C-shaped installation portion 121, a second mating plate 123 installed at the bottom of the bent portion 122, and a second insertion plate 124 installed at the bottom of the second mating plate 123. The second insertion plate 124 is adapted to the slot 31; the bottom surfaces of the first mating plate 115 and the second mating plate 123 are both in contact with the top surface of the honeycomb aluminum plate 3; wherein, the bending direction of the bent portion 122 is the same as the opening direction of the slot 31 of the honeycomb aluminum plate 3 installed on the secondary keel 12.

[0042] Through the setting of the bent portion 122 in the present utility model, combined with the limitation of the bending direction of the bent portion 122, the limit bolt 4 is avoided, which is convenient for the staff to screw the limit bolt 4; through the setting of the second mating plate 123, combined with the contact between the bottom surface of the second mating plate 123 and the top surface of the honeycomb aluminum plate 3, the honeycomb aluminum plate 3 on the secondary keel 12 can be restricted, ensuring the accuracy of the installation position of the honeycomb aluminum plate 3 and ensuring the relative position between the honeycomb aluminum plate 3 and the secondary keel 12 is consistent.

[0043] Refer to the appendix Figure 1 — Figure 4 As shown in the figure, in the present utility model, limit bolts 4 connected to the honeycomb aluminum plate 3 are installed on the top surfaces of both the second mating plate 123 and the first mating plate 115; anti-loosening structures 5 are provided on both the second insertion plate 124 and the first insertion plate 114. Through the setting of the limit bolts 4 in the present utility model, the firmness of the connection between the main and secondary keels and the honeycomb aluminum plate 3 is further enhanced; through the setting of the anti-loosening structures 5, it is prevented that the first insertion plate 114 and the second insertion plate 124 slide out after being inserted into the slot 31 on the honeycomb aluminum plate 3, which is convenient for inserting the honeycomb aluminum plate 3 into the slot 31. It should be particularly noted that the anti-loosening structure 5 is provided with barbs on the mating surface of the insertion plate and the slot 31, and glue is applied to the barbs during installation, so as to ensure that the insertion plate and the slot 31 will not slide out after being mated; since the distance between the main keel 11 and the secondary keel 12 in this application can be adjusted, it is ensured that the honeycomb aluminum plate 3 can be fitted to the wall surface.

[0044] Refer to the appendix Figure 1 — Figure 4 As shown in the figure, in the present utility model, the height adjustment structure 2 includes a lead screw 21, an expansion bolt 22 installed at the top of the lead screw 21, and two positioning nuts 23 installed on the lead screw 21; the first connection top plate 113 is movably connected to the lead screw 21, and the first connection top plate 113 is located between the two positioning nuts 23. Through the setting of the expansion bolt 22 in the present utility model, the lead screw 21 can be installed on the top of the room; through the setting of the positioning nuts 23, the main keel 11 can be positioned and limited, that is, the position of the main keel 11 on the lead screw 21 is limited.

[0045] Embodiment 2

[0046] See attached Figure 8 — Fig.10 As shown, the difference between this embodiment and embodiment 1 is that, in this embodiment, the height adjustment structure 2 includes a screw rod 21, an expansion bolt 22 installed on the top of the screw rod 21, a connecting frame 24 installed on the bottom end of the screw rod 21, a main keel 25 installed in the connecting frame 24, a keel assembly hanger 26 installed on the main keel 25, and the mother keel 11 is installed on the keel assembly hanger 26; wherein, the keel assembly hanger 26 includes a connecting portion 261 installed on the main keel 25, a hanging portion 262 installed at the bottom of the connecting portion 261, and a hanging groove 263 is provided on the hanging portion 262; the mother keel 11 also includes a second vertical plate 118 installed on the other end of the first matching plate 115, and a second connecting top plate 119 installed on the top of the second vertical plate 118, and the second connecting top plate 119 and the first connecting top plate 113 are both provided with a hanging plate 264 corresponding to the hanging groove 263.

[0047] In this embodiment, the main keel assembly hanger 26 is provided, and the hanging plate 264 is added to the mother keel 11, so that the mother keel 11 is installed on the keel assembly hanger 26 in the form of hanging, instead of limiting the mother keel 11 by two positioning nuts 23, and the main keel 25 can be further matched with the wall by bolts, etc., so as to enhance the firmness and increase the load-bearing capacity of the height adjustment structure 2; in addition, the mother keel can also be moved along the keel assembly hanger 26, so as to further enhance the adjustability of the honeycomb aluminum plate, and further avoid the occurrence of large gaps or misalignment between adjacent honeycomb aluminum plates 3. It should be particularly noted that the top of the keel assembly hanger 26 is provided with an opening, which is convenient for installing the keel assembly hanger 26 on the main keel 25, and the keel assembly hanger 26 is installed on the main keel 25 by bolts and other connection methods.

[0048] The above embodiments are intended to illustrate the present application, not to limit the present application. Any solution that is a simple transformation of the present application falls within the protection scope of the present application.

Claims

1. A ceiling installation structure, characterized in that: It includes a keel assembly (1), a height adjustment structure (2) installed on the top of the keel assembly (1), and a honeycomb aluminum plate (3) installed on the keel assembly (1). Slots (31) that cooperate with the keel assembly (1) are provided on a pair of parallel sides of the honeycomb aluminum plate (3). The keel assembly (1) includes a main keel (11) for installing the honeycomb aluminum plate (3) and a sub - keel (12) connected to another honeycomb aluminum plate (3). The main keel (11) includes an L - shaped installation part (111), and the sub - keel (12) includes a U - shaped installation part (121). The U - shaped installation part (121) is movably connected to the L - shaped installation part (111), and the U - shaped installation part (121) can slide at the L - shaped installation part (111) to adjust the cooperation of the two honeycomb aluminum plates.

2. The ceiling installation structure according to claim 1, characterized in that: The main keel (11) further includes a first vertical plate (112), a first connection top plate (113) installed at the top of the first vertical plate (112) and connected to the height adjustment structure (2), a first insertion plate (114) installed at the bottom of the first vertical plate (112), and a first cooperation plate (115) installed on the first vertical plate (112) between the first connection top plate (113) and the first insertion plate (114). The L - shaped installation part (111) for installing the sub - keel (12) is also installed on the first vertical plate (112). The first insertion plate (114) is adapted to the slot (31).

3. The ceiling installation structure according to claim 2, characterized in that: The first connection top plate (113), the first insertion plate (114), the first cooperation plate (115), and the L - shaped installation part (111) are all installed on two parallel sides of the first vertical plate (112). Among them, the first connection top plate (113), the first insertion plate (114), and the first cooperation plate (115) are all located on one of the parallel sides, and the L - shaped installation part (111) is located on the other parallel side.

4. The ceiling installation structure according to claim 3, characterized in that: A support cross - plate (116) is provided at the top of the L - shaped installation part (111). The support cross - plate (116) is located in the U - shaped groove of the U - shaped installation part (121), and an avoidance groove (117) is formed between the end of the support cross - plate (116) and the first vertical plate (112).

5. The ceiling installation structure according to claim 2, characterized in that: The sub - keel (12) further includes a bending part (122) installed at the bottom of the U - shaped installation part (121), a second cooperation plate (123) installed at the bottom of the bending part (122), and a second insertion plate (124) installed at the bottom of the second cooperation plate (123). The second insertion plate (124) is adapted to the slot (31). The bottom surfaces of the first cooperation plate (115) and the second cooperation plate (123) are both in contact with the top surface of the honeycomb aluminum plate (3).

6. The ceiling installation structure according to claim 5, characterized in that: The bending direction of the bending part (122) is the same as the opening direction of the slot (31) of the honeycomb aluminum plate (3) installed on the sub - keel (12).

7. The ceiling installation structure according to claim 5, characterized in that: Limit bolts (4) connected to the honeycomb aluminum plate (3) are installed on the top surfaces of the second cooperation plate (123) and the first cooperation plate (115). Anti - loosening structures (5) are provided on both the second insertion plate (124) and the first insertion plate (114).

8. The ceiling installation structure according to claim 2, characterized in that: The height adjustment structure (2) comprises a screw rod (21), an expansion bolt (22) mounted on the top of the screw rod (21), and two positioning nuts (23) mounted on the screw rod (21); the first connecting top plate (113) is movably connected to the screw rod (21), and the first connecting top plate (113) is located between the two positioning nuts (23).

9. The ceiling installation structure according to claim 2, characterized in that: The height adjustment structure (2) comprises a screw rod (21), an expansion bolt (22) mounted on the top of the screw rod (21), a connection frame (24) mounted on the bottom of the screw rod (21), a main keel (25) mounted in the connection frame (24), and a keel assembly hanger (26) mounted on the main keel (25), wherein the mother keel (11) is mounted on the keel assembly hanger (26).

10. The ceiling installation structure according to claim 9, characterized in that: The main keel (25) is connected to a plurality of keel assembly hangers (26); The keel assembly hanging member (26) comprises a connecting portion (261) mounted on the main keel (25), and a hanging portion (262) mounted on the bottom of the connecting portion (261), wherein a hanging groove (263) is provided on the hanging portion (262); The female keel (11) further comprises a second vertical plate (118) mounted on the other end of the first matching plate (115), and a second connecting top plate (119) mounted on the top of the second vertical plate (118), wherein the second connecting top plate (119) and the first connecting top plate (113) are both provided with hanging plates (264) corresponding to the hanging grooves (263).