Keel frame for preventing folding edge of suspended ceiling access hole from cracking
By designing a keel that prevents the edge cracking of the ceiling maintenance port, and using the clamping plate, slide rod and spring column structure, the ceiling deformation problem caused by the gravity of the maintenance frame is solved, and the stability and construction efficiency of the ceiling system are improved.
Patent Information
- Application Number
- CN202421625519.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-07-10
AI Technical Summary
The maintenance frame of the ceiling maintenance entrance is subjected to gravity for a long time, causing slight deformation of the ceiling structure, causing cracks in the edges of the gypsum board.
A keel skeleton is designed to prevent the edge cracking of the ceiling maintenance port. Through the connection of the sled plate and slot between the two sets of keels, combined with the structure of the slide rod, screw and spring column, it can achieve rapid installation and disassembly, share the gravity of the maintenance frame, and improve overall stability and load-bearing capacity.
It effectively reduces the slight deformation and displacement of the maintenance frame, reduces the cracking of the edge of the gypsum board, improves the stability and construction efficiency of the ceiling system, and enhances the safety and service life of the installation.
Smart Images

Figure CN223151464U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of building decoration, and specifically relates to a keel framework for preventing the edge of a ceiling inspection opening from cracking. Background Technique
[0002] Ceiling keels are the frameworks of ceilings and are a main structural material in ceiling construction. They are usually made of metals such as light steel or aluminum alloy and can bear ceiling panels and items mounted on the ceiling, such as ceiling boards, lamps, etc.
[0003] Ceiling inspection openings, commonly known as inspection holes or access openings, are usually located inside the ceiling to facilitate the inspection and maintenance of the internal structure, equipment, etc. of the ceiling. In common construction, most inspection frames are tightly connected to the ceiling board, and the ceiling board provides support for the inspection frame to ensure the stability and safety of the ceiling structure.
[0004] Over a long period of time, the inspection frame and the materials on it will continuously exert a certain gravitational force on the ceiling board. The long-term gravitational force is likely to cause slight deformation of the nearby ceiling structure, resulting in the edges of the gypsum board being squeezed or stretched, thereby causing cracking at the edges of the gypsum board. Content of the Utility Model
[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background technique, the utility model provides a keel framework for preventing the edge of a ceiling inspection opening from cracking.
[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: A keel framework for preventing the edge of a ceiling inspection opening from cracking according to the utility model includes two groups of keel frameworks, and an inspection frame is provided between the two groups of keel frameworks. A clamping plate slidably penetrates through the inside of the keel framework, and a clamping groove is correspondingly opened inside the outer side of the inspection frame; A plurality of mounting plates are fixedly connected to the middle part inside the keel framework, and a screw rod threadedly penetrates through the mounting plate located at the middle of the keel framework; One end of the screw rod is rotatably connected to the clamping plate, and a sliding rod slidably penetrates through the mounting plates at both ends of the keel framework; One end of the sliding rod is connected to the clamping plate.
[0007] Preferably, an inspection plate is provided inside the inspection frame; Sliding grooves are opened at both ends inside the inspection plate, and a sliding plate is elastically connected to the inside of the sliding groove through a spring; One end of the sliding plate is fixedly connected to an insertion plate, and the other end of the insertion plate slidably penetrates through the inside of the inspection plate; A slot is correspondingly opened inside the inspection frame.
[0008] Preferably, a through hole is opened at one end of the screw rod; A spring column is installed at the middle of the inside of the keel framework, and the elastic end of the spring column slidably penetrates through the through hole.
[0009] Preferably, a fixing rod is fixedly connected to one side of the sliding plate; a tenon head is provided at one end of the fixing rod, and a mortise groove is correspondingly formed inside one end of the sliding groove.
[0010] Preferably, limiting plates are symmetrically and fixedly connected to the outer wall of one side of the keel frame, and the limiting plates are L-shaped; the inner sides of the limiting plates are attached to the four corners of the outer wall of the maintenance frame.
[0011] Preferably, a square frame is installed on the maintenance board, and the thickness of the square frame is the same as the inner thickness of the maintenance frame.
[0012] Preferably, a rubber pad is provided at one end of the sliding plate, and the rubber pad has the same shape as one end of the sliding plate.
[0013] The beneficial effects of the present utility model are as follows:
[0014] 1. The present utility model provides a keel frame for preventing the edge of a ceiling maintenance opening from cracking. By placing the maintenance frame between two groups of keel frames and rotating the adjusting screw forward and backward, the clamping plate can be inserted into the clamping groove, so as to fix the maintenance frame to the two groups of keel frames, achieving rapid installation and simplifying the installation process, facilitating subsequent maintenance and disassembly work. The keel frame is the main load-bearing structure of the ceiling, having excellent load-bearing capacity and stability, which can reduce the minor deformation or displacement caused by the gravity of the maintenance frame, so as to improve the overall stability of the ceiling system and reduce the phenomenon of cracking at the edge of the gypsum board. The two sliding rods play a role in limiting and guiding the clamping plate, and can share the force received by the screw for supporting the clamping plate, reducing the phenomenon of frequent deformation of the screw and improving its service life.
[0015] 2. The present utility model provides a keel frame for preventing the edge of a ceiling maintenance opening from cracking. The elastic end of the spring column can simply fix one end of the screw, which can reduce the phenomenon of loosening of the screw due to external factors, etc., reducing the potential risk of detachment between the maintenance frame and the keel frame, and improving the stability and safety of the maintenance frame after installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The drawings described herein are used to provide a further understanding of the present utility model, and constitute a part of this application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:
[0017] Figure 1 is the three-dimensional view of the present utility model;
[0018] Figure 2 is the exploded view of the present utility model;
[0019] Figure 3 is the three-dimensional view of the keel frame in the present utility model;
[0020] Figure 4 It is a three-dimensional view of the clamping plate in the present utility model;
[0021] Figure 5 It is a cross-sectional view of the maintenance plate in the present utility model.
[0022] Legend:
[0023] 1. Keel frame; 2. Maintenance frame; 3. Clamping plate; 4. Card slot; 5. Mounting plate; 6. Screw; 7. Slide bar; 8. Maintenance plate; 9. Slide groove; 10. Slide plate; 11. Spring; 12. Insertion plate; 13. Insertion slot; 14. Spring column; 15. Through hole; 16. Limiting plate; 17. Square frame; 18. Fixed rod. Specific embodiments
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.
[0025] The following gives specific embodiments.
[0026] Please refer to Figures 1 - 5 , the present utility model provides a keel frame for preventing the edge of a ceiling maintenance opening from cracking, including two groups of keel frames 1, and a maintenance frame 2 is arranged between the two groups of keel frames 1. A clamping plate 3 slides through the inside of the keel frame 1, and a card slot 4 is correspondingly opened inside the outer side of the maintenance frame 2; a plurality of mounting plates 5 are fixedly connected to the middle part inside the keel frame 1, and a screw 6 is threadedly penetrated through the inside of the mounting plate 5 located at the middle of the keel frame 1; one end of the screw 6 is rotatably connected to the clamping plate 3, and a slide bar 7 slides through the inside of the mounting plates 5 located at both ends of the keel frame 1; one end of the slide bar 7 is connected to the clamping plate 3.
[0027] During operation, by placing the maintenance frame 2 between the two groups of keel frames 1 and rotating the adjusting screw 6 forward and backward, the clamping plate 3 is inserted into the card slot 4, so that the maintenance frame 2 can be fixed to the two groups of keel frames 1, achieving rapid installation and simplifying the installation process, facilitating subsequent maintenance and disassembly work. The keel frame 1 is the main load-bearing structure of the ceiling, having excellent load-bearing capacity and stability, which can reduce the minor deformation or displacement caused by the gravity of the maintenance frame 2, so as to improve the overall stability of the ceiling system and reduce the phenomenon of cracking at the edge of the gypsum board. The two slide bars 7 play a role in limiting and guiding the clamping plate 3, and can share the force received by the screw 6 to support the clamping plate 3, reducing the phenomenon of frequent deformation of the screw 6 and improving its service life.
[0028] Please refer toFigures 1 - 5 , an inspection board 8 is provided inside the inspection frame 2; both ends inside the inspection board 8 are provided with chutes 9, and a sliding plate 10 is elastically connected inside the chute 9 through a spring 11; one end of the sliding plate 10 is fixedly connected with an insertion plate 12, and the other end of the insertion plate 12 slides through the inside of the inspection board 8; a slot 13 is correspondingly opened inside the inspection frame 2; during work, by pulling the sliding plate 10, the sliding plate 10 slides towards the middle of the inspection board 8, and the insertion plate 12 can be quickly pulled out from the inside of the slot 13, so as to achieve the purpose of disassembling the inspection board 8. Conversely, the inspection board 8 can be quickly installed, providing convenience for subsequent maintenance and installation, and improving the construction efficiency.
[0029] Please refer to Figures 1 - 4 , a through hole 15 is opened at one end of the screw rod 6; a spring column 14 is installed in the middle of the keel frame 1, and the elastic end of the spring column 14 slides through the through hole 15; during work, the elastic end of the spring column 14 can simply fix one end of the screw rod 6, which can reduce the phenomenon that the screw rod 6 loosens due to external factors, etc., and reduce the potential danger of the inspection frame 2 and the keel frame 1 becoming disengaged, improving the stability and safety of the inspection frame 2 after installation.
[0030] Please refer to Figures 1 - 5 , a fixing rod 18 is fixedly connected to one side of the sliding plate 10; a tenon is provided at one end of the fixing rod 18, and a mortise is correspondingly opened inside one end of the chute 9; during work, when the sliding plate 10 moves to one end of the chute 9, through the mortise and tenon connection of the tenon and the mortise, one end of the fixing rod 18 can be simply fixed to the inside of one end of the chute 9, so as to limit the position of the sliding plate 10 and reduce the influence of the automatic reset of the sliding plate 10 due to the elastic force of the spring 11 on the installation or disassembly work.
[0031] Please refer to Figures 1 - 3 , symmetrically fixed limit plates 16 are fixedly connected to the outer wall of one side of the keel frame 1, and the limit plates 16 are L-shaped; the inner sides of the limit plates 16 are attached to the four corners of the outer wall of the inspection frame 2; during work, the four groups of limit plates 16 can position the four corners of the outer wall of the inspection frame 2, reducing the phenomenon that the inspection frame 2 shakes randomly after installation, and further improving the stability of the inspection frame 2.
[0032] Please refer to Figures 1 - 3 , a square frame 17 is installed on the inspection board 8, and the thickness of the square frame 17 is the same as the inner thickness of the inspection frame 2; during work, through the square frame 17, when the inspection board 8 is pulled open, the dust accumulated and attached to one side surface of the inspection board 8 can be limited, reducing the impurities from slipping off its surface to the ground, thereby causing pollution to the external environment.
[0033] Please refer to Figures 1 - 3, one end of the skateboard 10 is provided with a rubber pad, and the rubber pad is consistent with the shape of one end of the skateboard 10; during operation, the friction force at one end of the skateboard 10 can be increased through the rubber pad, and the stability when pulling the skateboard 10 can be improved.
[0034] Working principle: By placing the maintenance frame 2 between the two sets of ceiling frames 1 and rotating the adjustment screw 6 forward and backward, the clamping plate 3 can be inserted into the internal slot 4, so as to fix the maintenance frame 2 and the two sets of ceiling frames 1, achieving rapid installation and simplifying the installation process, facilitating subsequent maintenance and disassembly work. The ceiling frame 1 is the main load-bearing structure of the ceiling, with excellent load-bearing capacity and stability, which can reduce the minor deformation or displacement caused by the gravity of the maintenance frame 2, so as to improve the overall stability of the ceiling system and reduce the phenomenon of cracking at the edge of the gypsum board. The two sets of slide rods 7 play a role in limiting and guiding the clamping plate 3, and can share the force received by the screw 6 to support the clamping plate 3, reducing the phenomenon of frequent deformation of the screw 6 and improving its service life; by pulling the skateboard 10, the skateboard 10 slides towards the middle of the maintenance board 8, and the insertion plate 12 can be quickly pulled out from the internal slot 13, so as to achieve the purpose of disassembling the maintenance board 8. Conversely, the maintenance board 8 can be quickly installed, providing convenience for subsequent maintenance and installation and improving the construction efficiency; the elastic end of the spring column 14 can simply fix one end of the screw 6, reducing the phenomenon that the screw 6 loosens due to external factors, etc., reducing the potential risk of the separation between the maintenance frame 2 and the ceiling frame 1, and improving the stability and safety of the maintenance frame 2 after installation; when the skateboard 10 moves to one end of the chute 9, through the mortise and tenon connection of the tenon and mortise groove, one end of the fixing rod 18 can be simply fixed to one end inside the chute 9, so as to play a role in limiting the position of the skateboard 10, reducing the influence of the automatic reset of the skateboard 10 due to the elastic force of the spring 11 on the development of installation or disassembly work; the four groups of limiting plates 16 can position the four corners of the outer wall of the maintenance frame 2, reducing the phenomenon that the maintenance frame 2 shakes randomly after installation, and further improving the stability of the maintenance frame 2; through the square frame 17, the dust accumulated and attached to one side surface of the maintenance board 8 can be limited when the maintenance board 8 is pulled open, reducing the impurities from slipping from its surface to the ground, thereby causing pollution to the external environment; the friction force at one end of the skateboard 10 can be increased through the rubber pad, and the stability when pulling the skateboard 10 can be improved.
[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.
Claims
1. A ceiling joist structure for preventing the cracking of the edge of the inspection opening, comprising two groups of joist structures (1), and an inspection frame (2) is arranged between the two groups of joist structures (1), characterized in that: A clamping plate (3) slides through the inside of the keel frame (1), and a clamping groove (4) is correspondingly formed in the inner part of the outer side of the maintenance frame (2); A plurality of mounting plates (5) are fixedly connected to the middle part of the inside of the keel frame (1), and a screw rod (6) is threadedly penetrated through the inside of the mounting plate (5) located at the middle of the keel frame (1); One end of the screw rod (6) is rotatably connected to the clamping plate (3), and a slide rod (7) slides through the inside of the mounting plates (5) at both ends of the keel frame (1); One end of the slide rod (7) is connected to the clamping plate (3).
2. The keel framework for preventing the cracking of the edge of the ceiling inspection opening according to claim 1, wherein: A maintenance plate (8) is arranged on the inner side of the maintenance frame (2); Chute (9) are formed at both ends of the inside of the maintenance plate (8), and a sliding plate (10) is elastically connected to the inside of the chute (9) through a spring (11); One end of the sliding plate (10) is fixedly connected with a plug board (12), and the other end of the plug board (12) slides through the inside of the maintenance plate (8); A slot (13) is correspondingly formed in the inside of the maintenance frame (2).
3. A keel frame for preventing the edge of a ceiling inspection opening from cracking as described in claim 1, characterized in that: A through hole (15) is formed at one end of the screw rod (6); A spring column (14) is installed in the middle of the inside of the keel frame (1), and the elastic end of the spring column (14) slides through the through hole (15).
4. The keel frame for preventing the edge of the ceiling inspection opening from cracking according to claim 2, wherein: A fixing rod (18) is fixedly connected to one side of the sliding plate (10); A tenon head is arranged at one end of the fixing rod (18), and a mortise is correspondingly formed in the inside of one end of the chute (9).
5. The ceiling joist for preventing the edge of the ceiling inspection opening from cracking as claimed in claim 1, characterized in that: Limiting plates (16) are symmetrically and fixedly connected to the outer wall of one side of the keel frame (1), and the limiting plates (16) are arranged in an L shape; The inner sides of the limiting plates (16) are attached to the four corners of the outer wall of the maintenance frame (2).
6. The keel frame for preventing the edge of the ceiling inspection opening from cracking as described in claim 2, wherein: A square frame (17) is installed on the maintenance plate (8), and the thickness of the square frame (17) is the same as the inner thickness of the maintenance frame (2).
7. The keel framework for preventing the edge of the ceiling inspection opening from cracking according to claim 2, characterized in that: A rubber pad is arranged at one end of the sliding plate (10), and the rubber pad has the same shape as one end of the sliding plate (10).