CN112360050A

CN112360050A - Suspended ceiling structure

Info

Publication number: CN112360050A
Application number: CN202011179816.7A
Authority: CN
Inventors: 周海天; 吴晓晔; 卓青略; 曹龙福
Original assignee: Zhejiang Yunyi Decoration Co ltd
Current assignee: Zhejiang Yunyi Decoration Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-02-12
Anticipated expiration: 2040-10-29
Also published as: CN112360050B

Abstract

The utility model relates to a suspended ceiling structure, relate to housing construction's technical field, it includes fossil fragments subassembly and a plurality of buckle, the fossil fragments subassembly includes a plurality of main joist that are parallel to each other, be provided with a plurality of false keel between two adjacent main joist, the lower terminal surface of false keel is vertical to be provided with the installation pipe, two pairs of outer walls of installation pipe level rotation respectively are provided with the installation axle, every installation epaxial all is provided with the couple, be provided with the two spring of turning round that are used for driving the couple to overturn upwards between installation axle and the installation pipe, the buckle includes that two carry out articulated decorative board through the hinge, the up end of every decorative board all is provided with the link that supplies corresponding. The buckle plate is driven to stretch by utilizing the movement of the hook, the buckle plate can be installed and folded, the hook and the hanging ring are separated, the buckle plate can be detached, the buckle plate can be quickly disassembled, and the buckle plate disassembling and assembling efficiency can be improved.

Description

Suspended ceiling structure

Technical Field

The application relates to the field of house construction, in particular to a suspended ceiling structure.

Background

The suspended ceiling refers to a decoration of the top decoration of the residential environment of a house, and in a simple way, refers to the decoration of a ceiling. The suspended ceiling occupies a very important position in the whole room decoration, not only can beautify the indoor environment, but also can create a colorful indoor space artistic image.

Related art ceiling structures typically utilize a plurality of trim nails to connect the studs and the retaining plates. When the buckle plate is disassembled and assembled, the disassembly and the assembly of the buckle plate can be realized only by performing independent unscrewing or screwing operation on a plurality of decoration nails, and the time is wasted.

In the related art described above, the inventors consider that there is a drawback in that the mounting and dismounting efficiency is low.

Disclosure of Invention

In order to save the dismouting time of buckle, this application provides a furred ceiling structure.

The application provides a furred ceiling structure adopts following technical scheme:

the utility model provides a ceiling structure, includes fossil fragments subassembly and a plurality of buckle, the fossil fragments subassembly includes a plurality of main joist that are parallel to each other, is provided with a plurality of false keels between two adjacent main joist, the vertical installation pipe that is provided with of lower terminal surface of false keel, two pairs of outer walls of installation pipe level rotation respectively are provided with the installation axle, every install the epaxial couple that all is provided with, install the axle with be provided with between the installation pipe and be used for the drive couple two torsional spring of upset upwards, the buckle includes that two carry out articulated decorative board, every through the hinge the up end of decorative board all is provided with and supplies correspondingly the link that the couple was hooked.

Through adopting above-mentioned technical scheme, pulling two decorative boards and overturning downwards to make two decorative boards be close to each other, recycle the couple and hook the link. The decorative plates are loosened, the hook drives the corresponding decorative plates to turn upwards under the action of the elastic force of the double torsion springs, and the two decorative plates are unfolded to be in a horizontal state, so that the installation of the pinch plate is realized. The middle position of the pinch plate is pushed upwards, and the two decorative plates are close to each other. At the moment, the hook is driven by the decorative plate to turn downwards. Subsequently, the hook and the hanging ring are separated, and the buckle plate can be detached. This design benefit to the operation is convenient, thereby realizes the quick assembly disassembly of buckle, and then has the advantage that improves buckle dismouting efficiency. Simultaneously, this design makes the user can carry out quick assembly disassembly alone to the buckle indoor. Therefore, the buckle plate can be maintained and replaced independently by a user, the maintenance convenience can be improved, and the maintenance cost can be saved.

Optionally, the upper end face of decorative board is provided with elastic lower latch hook, vertical sliding connection has the bracing piece in the installation pipe, the lower extreme of bracing piece be provided with lower latch hook matched with elastic upper latch hook, be provided with on the installation pipe and be used for the drive bracing piece kinematic actuating mechanism.

By adopting the technical scheme, when the pinch plate is unfolded, the driving mechanism is utilized to drive the supporting rod to drive the upper latch hook to move downwards. When the pinch plate is completely unfolded, the upper lock hook and the lower lock hook are matched. Thereby realize the hoist and mount of buckle middle part position, avoid the condition that the middle part position of buckle appears collapsing. The flatness of the pinch plate can be improved, and the use stability of the pinch plate can be improved. Meanwhile, the supporting rod drives the upper lock hook to move upwards, and sufficient space is provided for the movement of the decorative plate. Make whole furred ceiling structure compacter to can reduce the overall dimension of furred ceiling structure, thereby save the assembly space of furred ceiling structure.

Optionally, the driving mechanism includes a gear disposed on the mounting shaft, a mounting hole communicated with the inside of the mounting pipe is formed through the outer wall of the mounting pipe, the gear penetrates through the mounting hole and extends to the inside of the mounting pipe, and racks engaged with the gear are vertically disposed on the side wall of the supporting rod.

Through adopting above-mentioned technical scheme, the couple upwards overturns and drives gear revolve, and afterwards, the rack drives bracing piece and last latch hook downstream under the drive of gear. The hook is turned downwards and drives the gear to rotate reversely, and then the rack drives the support rod and the upper hook to move upwards under the driving of the gear. Through setting up that the structure is ingenious, the drive effect is stable and carry out the actuating mechanism who links with the couple, can improve the motion stationarity of bracing piece and last hook, can improve the linkage nature between each part again to improve the practicality.

Optionally, a limiting plate is arranged on the auxiliary keel, and the hook is abutted after being turned upwards correspondingly.

Through adopting above-mentioned technical scheme, upwards overturn when the couple to when two decorative boards all were in the horizontality, the couple was contradicted with corresponding limiting plate. Through setting up the limiting plate, realize the limited of couple maximum distance that overturns upwards. Avoid two decorative boards to excessively turn over under the drive of two couples and turn over to avoid the hinge to damage or the problem that the decorative board warp appears, and then improve the stability in use of decorative board.

Optionally, two of the hooks on the same installation pipe are respectively provided with a positioning plate, and the two positioning plates can be connected through screws.

Through adopting above-mentioned technical scheme, when couple and link are separately, utilize the screw to fix two locating plates to realize the fixed of two couples. After the buckle plate is detached, the two hooks are prevented from being overturned upwards under the driving of the corresponding double torsion springs. When a user assembles the new buckle plate, the hook is positioned at a lower position. Thereby convenience of customers assembles new buckle, and then improves the convenience of use.

Optionally, the false keel is detachably connected with the corresponding two main keels, and a locking mechanism for fixing the false keel is arranged between the two main keels.

Through adopting above-mentioned technical scheme, through setting up modular fossil fragments subassembly, realize the independent transportation and the modularization transportation of main joist and false keel to improve the transportation convenience of fossil fragments subassembly. Meanwhile, the keel assembly convenient to assemble can effectively improve the assembly efficiency of the keel assembly, and further improve the assembly efficiency of the suspended ceiling.

Optionally, locking mechanical system includes that two slip covers establish locking pipe on the false keel, two locking pipe distribute in the both ends tip of false keel, adjacent two the terminal surface that the main joist is close to each other is seted up respectively and is supplied corresponding the locking groove of locking pipe grafting embedding, the both ends of false keel are provided with the collar respectively, every the collar is with corresponding all be provided with compression spring between the locking pipe.

Through adopting above-mentioned technical scheme, when the installation false keel, promote two locking pipes and be close to each other, then put the false keel between two adjacent main joist. The two locking pipes are respectively released, and the two locking pipes slide under the elastic force of the corresponding compression springs. When the end parts of the two locking pipes which are far away from each other are respectively inserted into the corresponding locking grooves, the installation of the auxiliary keel can be realized. Otherwise, the auxiliary keel is disassembled. Through setting up the false keel that can dismantle and conveniently dismantle for the user can maintain and change the false keel alone, can improve the maintenance convenience, can reduce cost of maintenance again. Through setting up simple structure, simple operation, the locking mechanical system of convenient locking and unblock, realize the quick unblock and the locking of false keel to work efficiency when carrying out the dismouting to the false keel improves.

Optionally, the end portions of the two locking tubes close to each other are respectively bent inward to form inner edges, and the end portions of the two ends of the cross keel are respectively bent outward to form outer edges against which the corresponding inner edges abut.

By adopting the technical scheme, the limitation of the maximum sliding distance of the locking pipe is realized through the mutual matching of the outer edge and the inner edge. When avoiding the false keel to dismantle or transport, the locking pipe breaks away from the false keel to improve stability in use.

Optionally, a cavity is formed in the decorative plate, and a heat insulation plate made of foam is arranged in the cavity.

Through adopting above-mentioned technical scheme, through setting up foam material's heated board, improve the heat preservation and the thermal-insulated effect of decorative board to improve the practicality of decorative board. Meanwhile, the foam material insulation board has a good sound insulation effect, and the practicability of the decorative board is further improved.

Optionally, the lateral wall all around of decorative board is provided with the sound cotton of round of inhaling.

Through adopting above-mentioned technical scheme, inhale the sound cotton through the setting, have good sound effect of inhaling, the noise of avoiding the roof top spreads into indoorly through the decorative board to further improve the practicality of decorative board.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the buckle plate can be installed by utilizing the movement of the hook to drive the decorative plates to stretch, the two decorative plates are folded in half, and the hook and the hanging ring are separated, so that the buckle plate can be disassembled, the buckle plate can be quickly disassembled, and the buckle plate has the advantage of improving the disassembling and assembling efficiency of the buckle plate;

2. by arranging the driving mechanism which has an ingenious structure and stable driving effect and is linked with the hook, the motion stability of the supporting rod can be improved, and the linkage between each part can be improved, so that the practicability is improved;

3. through setting up simple structure, simple operation, the locking mechanical system of convenient locking and unblock, realize the quick unblock and the locking of false keel to work efficiency when carrying out the dismouting to the false keel improves.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a cross-sectional view of an embodiment of the present application.

Fig. 3 is an enlarged schematic view of region a in fig. 1.

Fig. 4 is an enlarged schematic view of the region B in fig. 2.

Description of reference numerals: 1. an inner edge; 2. an outer edge; 3. a keel assembly; 31. a main keel; 32. a false keel; 4. buckling the plate; 41. a decorative plate; 42. a hinge; 5. a locking mechanism; 51. locking the tube; 52. a compression spring; 6. a locking groove; 7. a mounting ring; 8. installing a pipe; 9. installing a shaft; 10. a hinge ear; 11. hooking; 12. a double torsion spring; 13. a cavity; 14. a thermal insulation board; 15. sound-absorbing cotton; 16. hanging a ring; 17. a limiting plate; 18. positioning a plate; 19. a threaded hole; 20. a screw; 21. a lower latch hook; 22. a support bar; 23. an upper latch hook; 24. a guide surface; 25. a drive mechanism; 251. a gear; 252. a rack; 26. mounting holes; 27. and (6) chamfering.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses furred ceiling structure. Referring to fig. 1, the ceiling structure includes a keel assembly 3 and a plurality of fastening plates 4, the keel assembly 3 includes a plurality of main keels 31 parallel to each other, and a plurality of cross keels 32 are detachably connected between two adjacent main keels 31.

Referring to fig. 1 and 2, the number of the cross keels 32 is equal to that of the buckling plates 4, and meanwhile, a plurality of the cross keels 32 are parallel to each other and are uniformly distributed along the length direction of the main keel 31. And a locking mechanism 5 for fixing the corresponding auxiliary keel 32 is arranged between two adjacent main keels 31.

When the suspended ceiling is installed, the main keels 31 are respectively and fixedly connected with the ceiling, and the main keels 31 are parallel to each other. Meanwhile, the distance between two adjacent main keels 31 is ensured to be equal, and the distance between two adjacent main keels 31 is equal to the length of the cross keel 32.

Then, the auxiliary keels 32 are respectively placed between the two corresponding main keels 31, and the auxiliary keels 32 are connected with the corresponding main keels 31 by using the locking mechanisms 5, so that the assembly of the keel assembly 3 is realized. Subsequently, the buckle plate 4 can be connected with the auxiliary keel 32, and then the assembly of the suspended ceiling is realized.

Referring to fig. 2, the locking mechanism 5 includes two locking tubes 51 slidably fitted over the cross runner 32, and the two locking tubes 51 are distributed at both end portions of the cross runner 32. The adjacent end surfaces of the two adjacent main keels 31 are respectively provided with an annular locking groove 6 for inserting the corresponding locking pipe 51.

Referring to fig. 2, the mutually adjacent ends of the two locking tubes 51 are respectively bent inward to form inner edges 1, and the ends of the cross runners 32 are respectively bent outward to form outer edges 2 against which the corresponding inner edges 1 abut. Meanwhile, the locking tube 51 and the auxiliary keel 32 are both rectangular, and the peripheral side walls of the outer edge 2 are attached to the peripheral inner walls of the locking tube 51.

Referring to fig. 2, two ends of the cross runner 32 are respectively and fixedly sleeved with mounting rings 7, and the two mounting rings 7 are located between the two locking pipes 51. Meanwhile, the cross runner 32 is sleeved with two compression springs 52, and each compression spring 52 is located between a corresponding mounting ring 7 and a corresponding locking tube 51. One end of the compression spring 52 is fixedly connected to the respective inner rim 1 and the other end is fixedly connected to the respective locking tube 51.

When the cross runner 32 is installed, the two locking tubes 51 are pushed toward each other and both end portions of the cross runner 32 are exposed. The cross runners 32 are then placed between two adjacent main runners 31 with the end surfaces of the cross runners 32 abutting the side walls of the main runners 31. At this time, the compression spring 52 is in a compressed state.

Then, the two locking pipes 51 are released, respectively, and the two locking pipes 51 are reversely moved by the elastic force of the corresponding compression springs 52. When the end portions of the two locking pipes 51 far away from each other are inserted into the corresponding locking grooves 6, respectively, and the outer edge 2 abuts against the inner edge 1, the installation of the cross runner 32 is achieved.

When the cross runner 32 is removed, the two locking tubes 51 are pushed toward each other and the ends of the two locking tubes 51 that are far from each other are respectively released from the corresponding locking grooves 6. The cross runners 32 are then pulled to move and the cross runners 32 are allowed to disengage from the two main runners 31, thereby allowing the cross runners 32 to be removed.

Referring to fig. 3 and 4, the middle position of the lower end face of each cross keel 32 is vertically and fixedly connected with a mounting tube 8, two pairs of outer walls of the mounting tubes 8 are respectively and horizontally provided with mounting shafts 9, and the axes of the two mounting shafts 9 are located on the same horizontal plane.

Referring to fig. 3, a pair of hinge lugs 10 is fixedly connected to the outer wall of the mounting tube 8 where the mounting shaft 9 is located, and both end portions of the mounting shaft 9 are respectively inserted into the corresponding hinge lugs 10. Meanwhile, the end parts of the two ends of the mounting shaft 9 are respectively in horizontal rotation fit with the corresponding hinge lugs 10 through bearings.

Referring to fig. 3 and 4, a hook 11 is fixedly connected to a side wall of each mounting shaft 9, and a double torsion spring 12 for driving the hook 11 to turn upward is sleeved on the mounting shaft 9. Two support legs of the double-torsion spring 12 are fixedly connected with the outer wall of the mounting tube 8, and a torsion handle of the double-torsion spring 12 is abutted against the side wall of the lower end of the hook 11.

Referring to fig. 2, the gusset 4 includes two horizontally disposed rectangular decorative plates 41, and end surfaces of the two decorative plates 41 adjacent to each other abut against each other. Meanwhile, the two decorative plates 41 are hinged by hinges 42, and the hinges 42 are embedded in the lower end surfaces of the end portions of the two decorative plates 41 close to each other.

Referring to fig. 2 and 3, an upper end surface of each decorative plate 41 is provided with a hanging ring 16 to which the corresponding hanger 11 is hooked. A cavity 13 is formed in the decorative plate 41, and a heat insulation plate 14 made of foam is fixedly embedded in the cavity 13. Meanwhile, a circle of sound absorbing cotton 15 is fixedly connected to the peripheral side wall of the decorative plate 41, and arc-shaped chamfers 27 are arranged at the peripheral positions of the upper end face of the sound absorbing cotton 15.

When the buckle 4 is installed, the two hooks 11 are pulled to turn downwards, and the two hooks 11 are made to approach each other. And then respectively pull the ends of the two decorative plates 41, which are away from each other, to move downward and turn the two decorative plates 41 downward about the hinge shafts 42 of the hinges, thereby bringing the two decorative plates 41 close to each other.

Subsequently, the two hooks 11 are connected with the corresponding suspension loops 16, respectively. The decorative plate 41 is released again, and at this time, the hook 11 is turned upward by the elastic force of the corresponding double torsion spring 12. Subsequently, the decorative panel 41 is turned upward by the corresponding hook 11. When the two decorative plates 41 are both in a horizontal state, the installation of the pinch plate 4 can be realized.

When the pinch plate 4 is disassembled, the middle position of the pinch plate 4 is pushed upwards. At this time, the two decorative panels 41 are turned downward, and the two decorative panels 41 are brought close to each other. At this time, the hook 11 is turned downward by the decorative plate 41. Then, the hook 11 is separated from the hanging ring 16, and the buckle plate 4 can be detached.

Referring to fig. 2 and 3, the lower end surface of the false keel 32 is vertically and fixedly connected with a limiting plate 17, and the limiting plate 17 is abutted after the corresponding hook 11 is turned upwards. The side walls of the two hooks 11 on the same mounting pipe 8 are respectively hinged with positioning plates 18 through universal shafts, and threaded holes 19 penetrate through the surfaces of the two positioning plates 18.

Referring to fig. 2 and 3, after the two hooks 11 approach each other, the threaded holes 19 of the two positioning plates 18 can be aligned with each other. Meanwhile, a screw 20 is arranged between the two positioning plates 18, and the screw 20 passes through the two threaded holes 19 and forms a threaded connection with the two threaded holes 19.

When the two hooks 11 are turned downward and approach each other, the two positioning plates 18 approach each other by the two hooks 11. When the two threaded holes 19 are aligned with each other, the screw 20 is tightened and the screw 20 is brought into threaded connection with the two threaded holes 19. Thereby realize two locating plate 18 fixed, and then realize two couple 11 fixed, avoid couple 11 upwards to overturn. Subsequently, the buckle 4 can be repaired.

When a new gusset 4 is installed, the screw 20 is unscrewed and the end of the screw 20 is removed from one of the threaded holes 19. Thereby realizing the unlocking of the two positioning plates 18 and further realizing the unlocking of the two hooks 11. Subsequently, the hook 11 can be connected with the hanging ring 16, and the buckle plate 4 can be hoisted through the hook 11. When both the decorative plates 41 are in the horizontal state, the hook 11 interferes with the corresponding limiting plate 17, so that the limitation of the maximum overturning formation of the hook 11 is realized.

Referring to fig. 3 and 4, the upper end surface of the decorative plate 41 is fixedly connected with a lower latch hook 21 made of spring steel, and the lower latch hook 21 is disposed in an L shape. A supporting rod 22 is vertically and slidably connected in the mounting tube 8, and an upper locking hook 23 matched with the corresponding lower locking hook 21 is fixedly connected to the lower end surface of the supporting rod 22.

Referring to fig. 3 and 4, the upper latch hook 23 is also provided in an L shape, and the upper latch hook 23 is also made of a spring steel material, and arc-shaped guide surfaces 24 are provided at both end portions of the upper latch hook 23 and the lower latch hook 21 that are hooked to each other. Meanwhile, a driving mechanism 25 for driving the support rod 22 to move is provided on the mounting tube 8.

Referring to fig. 3 and 4, the driving mechanism 25 includes a gear 251 fixedly secured to the mounting shaft 9, and the gear 251 is disposed in a vertical shape. The outer wall of the mounting pipe 8 is penetrated with a mounting hole 26 communicating with the inside thereof, and the gear 251 passes through the mounting hole 26 and extends to the inside of the mounting pipe 8. Meanwhile, a rack 252 engaged with the gear 251 is vertically and fixedly embedded in the side wall of the support rod 22.

When the hook 11 is turned upwards and drives the mounting shaft 9 to rotate, the gear 251 is driven by the mounting shaft 9 to rotate. At this time, the rack 252 drives the supporting bar 22 and the two upper locking hooks 23 to move vertically downward under the driving of the gear 251. At the same time, the two decorative panels 41 are turned upward by the corresponding hooks 11. Meanwhile, the two lower latch hooks 21 are moved synchronously by the corresponding decorative plate 41.

When the two decorative plates 41 are brought into a horizontal state, the upper latch hook 23 and the lower latch hook 21 are abutted against each other, and the upper latch hook 23 and the lower latch hook 21 are elastically deformed. When the two decorative plates 41 are completely in a horizontal state, the upper latch hook 23 and the lower latch hook 21 are reset under the action of respective elastic forces, and the upper latch hook 23 and the lower latch hook 21 are hooked tightly, so that the middle position of the pinch plate 4 is lifted.

When the middle position of the buckle plate 4 is pushed upwards and the two decorative plates 41 are turned downwards, the two lower locking hooks 21 are driven by the corresponding decorative plates 41 to synchronously move, and the upper locking hooks 23 and the lower locking hooks 21 are separated. At the same time, the hook 11 drives the mounting shaft 9 and the gear 251 to rotate reversely under the driving of the decorative plate 41. Subsequently, the rack 252 drives the supporting bar 22 and the two upper locking hooks 23 to move vertically upward under the driving of the gear 251, so that the supporting bar 22 and the upper locking hooks 23 are reset.

The implementation principle of a furred ceiling structure of the embodiment of this application does: the two hooks 11 are pulled to turn downwards, the two decorative plates 41 are pulled to turn downwards, and then the two hooks 11 are respectively connected with the corresponding hanging rings 16. The decorative plate 41 is loosened, and the hook 11 drives the decorative plate 41 to turn upwards under the elastic force of the corresponding double-torsion spring 12. At this time, the gear 251 rotates with the mounting shaft 9 and drives the rack 252 to move the support rod 22 and the upper latch hook 23 downward. When the two decorative plates 41 are both in a horizontal state, the upper latch hook 23 and the lower latch hook 21 are hooked, and then the installation of the buckle plate 4 is realized. The middle position of the buckle plate 4 is pushed upwards, and the two decorative plates 41 are overturned downwards, so that the upper locking hook 23 and the lower locking hook 21 are separated. At this time, the hook 11 drives the mounting shaft 9 and the gear 251 to rotate reversely by the decorative plate 41. Subsequently, the rack 252 drives the supporting bar 22 and the two upper locking hooks 23 to move vertically upward under the driving of the gear 251, so that the supporting bar 22 and the upper locking hooks 23 are reset. Then the hook 11 and the hanging ring 16 are separated, and the buckle plate 4 can be detached.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a ceiling structure, includes fossil fragments subassembly (3) and a plurality of buckle (4), its characterized in that: fossil fragments subassembly (3) include a plurality of main joist (31) that are parallel to each other, are provided with a plurality of false keel (32) between two adjacent main joist (31), the lower terminal surface of false keel (32) is vertical to be provided with installation pipe (8), two pairs of outer walls of installation pipe (8) are horizontal rotation respectively and are provided with installation axle (9), every all be provided with couple (11) on installation axle (9), installation axle (9) with be provided with between installation pipe (8) and be used for the drive couple (11) two torsional spring (12) of upwards overturning, buckle (4) include two carry out articulated decorative board (41), every through hinge (42) the up end of decorative board (41) all is provided with and supplies correspondingly couple (11) hooked link (16).

2. A suspended ceiling structure according to claim 1, wherein: the up end of decorative board (41) is provided with elastic latch hook (21) down, vertical sliding connection has bracing piece (22) in installation pipe (8), the lower extreme of bracing piece (22) be provided with latch hook (21) matched with elastic last latch hook (23) down, be provided with on installation pipe (8) and be used for the drive actuating mechanism (25) of bracing piece (22) motion.

3. A suspended ceiling structure according to claim 2, wherein: the driving mechanism (25) comprises a gear (251) arranged on the mounting shaft (9), a mounting hole (26) communicated with the inside of the mounting pipe (8) penetrates through the outer wall of the mounting pipe (8), the gear (251) penetrates through the mounting hole (26) and extends to the inside of the mounting pipe (8), and a rack (252) meshed with the gear (251) is vertically arranged on the side wall of the supporting rod (22).

4. A suspended ceiling structure according to claim 1, wherein: and a limiting plate (17) for abutting against the hook (11) after the hook is turned upwards is arranged on the auxiliary keel (32).

5. A suspended ceiling structure according to claim 4, wherein: two hooks (11) on the same installation pipe (8) are respectively provided with a positioning plate (18), and the two positioning plates (18) can be connected through screws (20).

6. A suspended ceiling structure according to claim 1, wherein: the false keel (32) is detachably connected with the corresponding two main keels (31), and a locking mechanism (5) used for fixing the false keel (32) is arranged between the two main keels (31).

7. A suspended ceiling structure according to claim 6, wherein: locking mechanical system (5) are established including two slip covers locking pipe (51) on false keel (32), two locking pipe (51) distribute in the both ends tip of false keel (32), adjacent two the terminal surface that main joist (31) are close to each other has been seted up respectively and has been supplied corresponding locking groove (6) of locking pipe (51) grafting embedding, the both ends of false keel (32) are provided with collar (7), every collar (7) and corresponding all be provided with compression spring (52) between locking pipe (51).

8. A suspended ceiling structure according to claim 7, wherein: the end parts, close to each other, of the two locking pipes (51) are bent inwards respectively to form inner edges (1), and the end parts of the two ends of the auxiliary keel (32) are bent outwards respectively to form outer edges (2) which are abutted by the corresponding inner edges (1).

9. A suspended ceiling structure according to claim 1, wherein: a cavity (13) is formed in the decorative plate (41), and a heat insulation plate (14) made of foam is arranged in the cavity (13).

10. A suspended ceiling structure according to claim 9, wherein: the side wall all around of decorative board (41) is provided with round sound absorption cotton (15).