CN210316174U

CN210316174U - Suspended ceiling structure easy to assemble and disassemble

Info

Publication number: CN210316174U
Application number: CN201920902481.3U
Authority: CN
Inventors: 黄令环; 黄耀; 郑通; 彭伟华
Original assignee: Guangdong Art & Design Decoration Co ltd
Current assignee: Guangdong Art & Design Decoration Co ltd
Priority date: 2019-06-15
Filing date: 2019-06-15
Publication date: 2020-04-14
Anticipated expiration: 2029-06-15

Abstract

The utility model relates to a ceiling structure easy to assemble and disassemble, which comprises a main keel and an auxiliary keel, wherein the auxiliary keel is fixed on the lower end surface of the main keel and is vertically arranged relative to the main keel; the auxiliary keel consists of a plurality of auxiliary bone units which are spliced end to end along the length direction; the main keel and the auxiliary keel are hung by the hanging rod; a plurality of decorative plates can be detachably arranged below the auxiliary keel. Through the setting, hang main joist and false keel simultaneously through the jib, and every main bone unit of group and false bone unit all hang through a set of jib to main bone unit and false bone unit can be assembled under the state of hanging gradually, realize quick installation and the effect of using manpower sparingly. Wherein can dismantle below the false keel and install a plurality of plaque, realized making things convenient for the function of dismouting, improved the maintenance adaptability of whole furred ceiling.

Description

Suspended ceiling structure easy to assemble and disassemble

Technical Field

The utility model belongs to the technical field of the technique of furred ceiling and specifically relates to a furred ceiling structure that easily installs and removes is related to.

Background

The suspended ceiling is a decoration of the top decoration of the residential environment of a house, in short, the ceiling decoration is one of important components of indoor decoration, and the suspended ceiling usually comprises a plurality of main keels and auxiliary keels which are vertically and horizontally arranged and fixed with each other, and decorative plates connected with the main keels or the auxiliary keels. The furred ceiling has the effect of heat preservation, thermal-insulated, sound insulation, also is the hidden layer of engineering such as electricity, air pipe, communication, fire prevention warning pipeline equipment, so various pipeline equipment of often needing to overhaul the furred ceiling top, especially indoor corridor furred ceiling top, often are provided with a large amount of long distance pipeline equipment.

Current indoor suspended ceiling adopts the longer main joist of whole length and false keel usually, and adaptability is relatively poor to be connected through the jib between main joist and the roof, through welding or bolted connection between main joist and the false keel, installation procedure is loaded down with trivial details, and longer main joist, false keel weight are great at the in-process of installation, are difficult for the user to install or dismantle, have the improvement space.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an easily install and remove furred ceiling structure has the reduction main joist, the false keel installation degree of difficulty, is convenient for install and remove the effect of furred ceiling.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a suspended ceiling structure easy to assemble and disassemble comprises a main keel and a secondary keel, wherein the secondary keel is fixed to the lower end face of the main keel and is vertically arranged relative to the main keel, a plurality of hanging rods fixedly connected with a roof are arranged above the main keel, the main keel consists of a plurality of main keel units, and the main keel units are spliced end to end along the length direction; the auxiliary keel consists of a plurality of auxiliary bone units, and the auxiliary bone units are spliced end to end along the length direction; the hanging rod hangs the main keel and the auxiliary keel; a plurality of decorative plates are detachably mounted below the auxiliary keel.

Through the aforesaid setting, distribute with great ease between a plurality of main joist and a plurality of false keel, the main joist forms through the concatenation of a plurality of main bone unit extension degree directions, the false keel forms through the concatenation of a plurality of false bone units along length direction, thereby need not directly to hang longer whole root main joist and false keel and fix when installation main joist and false keel, can be through progressively installing main bone unit and false bone unit, progressively again with a plurality of main bone units, the false bone unit splices into main joist and false keel respectively, the weight of hanging when having reduced installation main joist and false keel, the security has been improved and the installation effectiveness has been improved. When this furred ceiling is dismantled to needs, dismantle through the step opposite with the installation order, the holding power that need exert simultaneously when having reduced dismantlement main joist and false keel equally has improved security and dismantlement efficiency. Hang main joist and false keel simultaneously through the jib, and every main bone unit of group and false bone unit all hang through a set of jib to main bone unit and false bone unit can be assembled under the state of hanging gradually, realize quick installation and the effect of using manpower sparingly. Wherein can dismantle below the false keel and install a plurality of plaque, realized making things convenient for the function of dismouting, improved the maintenance adaptability of whole furred ceiling.

The utility model discloses further set up, adjacent two the cross-over connection has a plurality of horizontal poles between the false keel, the slope of false bone unit up end is opened there is the draw-in groove, the draw-in groove supplies the horizontal pole slides in and the joint cooperation, horizontal pole below middle part is connected with the connecting rod, the connecting rod with plaque up end center is connected, the length of horizontal pole is less than the length of side of plaque.

Through the arrangement, the center of the upper end face of the decorative plate is vertically connected with a connecting rod, and a horizontal cross rod is fixed at the upper end of the connecting rod; a plurality of clamping grooves are formed in the auxiliary bone units in an inclined mode, wedge-shaped surfaces matched with the side walls of the clamping grooves are arranged on the upper end faces of the cross rods, the size of each clamping groove is matched with the corresponding cross rod to enable the cross rods to slide in, the cross rods are placed on the auxiliary bone units which are adjacent and parallel, and the cross rods slide in the clamping grooves in the corresponding positions of the two adjacent auxiliary bone units. Realize spacing to the horizontal pole through the draw-in groove, and then spacing to the plaque, make the plaque can not rotate around the axis of connecting rod to do not connect plaque and vice bone unit through the connecting piece, make the plaque stable under the action of gravity on vice bone unit, can the person of facilitating the use install the plaque of furred ceiling. Through the setting of slope draw-in groove, need overhaul the various pipeline equipment of furred ceiling top when the user in the furred ceiling below, when needing to open the plaque, can be in the direct single plaque that upwards promotes in furred ceiling below, with the lateral wall butt of the wedge profile of horizontal pole and draw-in groove, with the plaque along the draw-in groove roll-off, and place on vice bone unit, thereby realize conveniently dismantling the function of plaque, thereby make the furred ceiling form the space of a plaque size and supply the user to overhaul the pipeline setting of furred ceiling top, and each plaque all can install the dismantlement in the same mode of accessible on the furred ceiling, realized making things convenient for the function of dismouting furred ceiling plaque, the convenient maintenance ability of whole furred. When needs are dismantled whole plaque, earlier with horizontal pole and draw-in groove separation, this plaque is higher than adjacent plaque this moment, then rotates plaque 90 because the length of horizontal pole is less than the length of side of plaque, can pass the horizontal pole between two adjacent false keels, and then makes plaque and furred ceiling separation, realizes the dismantlement to the plaque.

The utility model discloses further set up, be connected with height adjustment mechanism between main joist and the jib, height adjustment mechanism includes the connecting rod, be provided with the swivel nut between connecting rod and the jib, connecting rod and jib all open the external screw thread, the connecting rod with the external screw thread of jib is opposite to, the swivel nut is opened has with jib and connecting rod screw thread fit's internal thread, the swivel nut with jib, connecting rod threaded connection; and the threaded sleeve is provided with a jackscrew which tightly abuts against the connecting rod and the suspender in a penetrating way.

Through the arrangement, the main keel is connected with the hanging rod through the height adjusting mechanism, so that when the height difference of the roof in a certain range is achieved through the height adjusting mechanism, the main keel and the auxiliary keel are leveled, a user can hoist the main keel and the auxiliary keel, and the cost for producing hanging frames with different heights is reduced. The height adjusting mechanism comprises a connecting rod fixed with the upper end face of the main keel, an internal thread sleeve is arranged between the connecting rod and the suspender, external threads are arranged on the connecting rod and the suspender, the connecting rod is opposite to the external thread direction of the suspender, the thread sleeves are in thread fit with the suspender and the connecting rod respectively, and the suspender and the connecting rod are connected through thread sleeve bearing force. When adjusting the height of main joist, through rotating the swivel nut, can realize jib and screw rod and be close to each other or keep away from to the realization is to the regulation of the relative position of jib and branch, can adjust the distance between main joist and the roof in the certain extent, adjusts conveniently and for electrodeless regulation, and application scope is bigger. The screw sleeve is communicated with a jackscrew, the jackscrew is in threaded connection with the screw sleeve and is used for tightly abutting against the connecting rod and the suspender respectively, so that the relative positions of the connecting rod and the suspender are fixed, and the adjustment of the distance between the main keel and the roof is realized.

The utility model discloses further set up, main bone unit one end protrusion has first lug, and the other end is sunken to have with first slot of first lug complex, vice bone unit one end protrusion has the second lug, and the other end is sunken to have with the second slot of second lug complex, the concatenation department intersection of main bone unit and vice bone unit sets up; the connecting rod link up main bone unit and vice bone unit, connecting rod lower extreme threaded connection has support piece, support piece be fixed with the first spacing piece of vice bone unit lower extreme facial features butt, the connecting rod outer peripheral face is fixed with the diameter and is greater than the spacing piece of second of connecting rod, the spacing piece of second with main bone unit up end butt.

Through the arrangement, the main keel units are spliced into the main keel along the length direction through the insertion between the first convex block and the first slot, and the auxiliary keel has the same principle; the main keel and the auxiliary keel are mutually perpendicular, the joint of the main keel unit and the joint of the auxiliary keel unit are crossed, the connecting rod is used for simultaneously penetrating through the first lug, the first slot, the second lug and the second slot, the lower end of the connecting rod is in threaded connection with the supporting piece, the supporting piece is fixed with the first limiting piece with the diameter larger than that of the connecting rod, the main keel unit and the auxiliary keel unit are tightly clamped through the first limiting piece and the second limiting piece, the main keel unit and the auxiliary keel unit are connected, and the main keel unit and the auxiliary keel unit are hung.

The utility model discloses further set up, open the draw-in groove bottom has vertical decurrent recess, the recess with the horizontal pole cooperation.

Through the setting, it has vertical decurrent recess to open in the draw-in groove bottom, thereby after the horizontal pole slips into the draw-in groove, the horizontal pole can fall into the recess of draw-in groove bottom, recess and horizontal pole cooperation to play further circumference limiting displacement to the horizontal pole, reduce rocking of horizontal pole, and then reduce rocking of plaque, make the furred ceiling more stable, can not slide in the draw-in groove easily because of external factors such as slight touching or wind. And the user still makes upwards promoting when opening the plaque, and the plaque is jack-up gradually through the guide effect of draw-in groove to the lateral wall butt of the wedge profile of horizontal pole and draw-in groove, realizes dismantling the function of plaque.

The utility model discloses further set up, main bone unit side is fixed with magnet, magnet with false keel up end butt, magnet sets up the side of draw-in groove opening slope orientation.

Through the setting, the side of the main bone unit of draw-in groove opening orientation is fixed with magnet, magnet and false keel up end butt to highly can with the horizontal pole butt, can the person of facilitating the use upwards promote the plaque make horizontal pole roll-off draw-in groove when, the horizontal pole can be placed on adjacent vice bone unit and attracted by magnet, it is fixed with horizontal pole and plaque through the attraction of magnet, the person of facilitating the use carries out follow-up maintenance work, and need not artificially keep the stability of horizontal pole always.

The utility model discloses further set up, the horizontal pole lower extreme face is fixed with two baffles, two the baffle sets up two adjacent between the vice bone unit, two the baffle respectively with two the relative side butt of vice bone unit.

Through the setting, the terminal surface is fixed with two baffles under the horizontal pole, and the plane at horizontal pole perpendicular to baffle place, two baffles all set up between two adjacent false keel placing the horizontal pole, the side butt of baffle and close false keel to play spacingly through two baffles to horizontal pole axis direction, reduce the possibility that the horizontal pole drops between two false keels, improved the security of furred ceiling.

The utility model discloses further set up, terminal surface is fixed with the reinforced rib plate along length direction under the vice bone unit, the reinforced rib plate sets up the recess below.

Through the arrangement, the reinforcing rib plate is arranged below the groove, the end face of the reinforcing rib plate is fixed with the lower end face of the auxiliary rib unit, the bearing capacity of the auxiliary keel is reduced due to the fact that the groove and the clamping groove are formed in the auxiliary rib unit, the reinforcing rib plate reinforces the weak stress position of the auxiliary rib unit, and the safety of a suspended ceiling is improved.

The utility model discloses further set up, draw-in groove and recess link up vice bone unit, the less lateral wall of draw-in groove opening part contained angle has the fillet.

Through the setting, link up vice bone unit setting with draw-in groove, recess, can conveniently process, the less lateral wall of draw-in groove opening part contained angle has the fillet to make the horizontal pole insert the in-process of draw-in groove, and the rounding off must get into the draw-in groove more, reduces the direct collision with the draw-in groove, improves horizontal pole and draw-in groove complex smoothness nature.

The utility model discloses further set up, plaque up end is fixed with the spliced pole, the connecting rod lower extreme rotates and is connected with the nut, the nut with spliced pole threaded connection.

Through the arrangement, the connecting column provided with the external thread is fixed on the upper end face of the decorative plate, the lower end of the connecting rod is rotatably connected with the nut in threaded connection with the connecting column, so that the connecting rod and the decorative plate are connected through the threaded connection, the mounting and dismounting are more convenient, the transportation and the hoisting of the decorative plate and the connecting rod can be facilitated, the horizontal rod and the connecting rod can be assembled and placed on the auxiliary keel when the suspended ceiling structure is installed, the decorative plate is fixed with the connecting rod, and the installation efficiency is improved.

To sum up, the utility model discloses following beneficial effect has:

1. the main keel and the auxiliary keel are spliced, the splicing positions of the main bone units and the splicing positions of the auxiliary bone units are arranged in an intersecting manner, and the connecting rod simultaneously penetrates through the first convex block and the first slot of the adjacent main bone units and the second convex block and the second slot of the adjacent auxiliary bone units, so that the weight of lifting simultaneously is reduced during installation and suspension, the safety is improved, the connection and the support of the main bone units and the auxiliary bone units can be quickly realized, and the construction efficiency is improved;

2. the connecting rod and the suspender are provided with external threads with opposite screw directions, and the thread is connected with the thread sleeve between the connecting rod and the suspender, so that the connecting rod and the suspender can be close to or far away from each other by rotating the thread sleeve, the relative distance between the connecting rod and the suspender is adjusted, the height of the main keel is adjusted, a user can level conveniently when installing the main keel, and the connecting rod and the suspender are tightly abutted by jackscrews penetrating through the thread sleeve to fix the relative positions;

3. through setting up the plaque and the connecting rod passes through the spliced pole and the dismantlement of nut is connected, can reduce the occupation space of this furred ceiling in transportation, accomodate the plaque to can change the plaque of different decoration styles according to user hobby, improve the practicality of this furred ceiling structure.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a partial exploded view of the strut and link in this embodiment;

FIG. 4 is an enlarged view at B in FIG. 3;

fig. 5 is an exploded view of the nut and screw in this embodiment.

Reference numerals: 1. a roof; 11. a boom; 12. a connecting rod; 13. a threaded sleeve; 14. carrying out top thread; 15. a support member; 151. a first limiting sheet; 16. a second limiting sheet; 2. a main keel; 21. a main bone unit; 22. a first slot; 23. a magnet; 24. a first bump; 3. a false keel; 31. a secondary bone unit; 32. a card slot; 33. a groove; 34. a reinforcing rib plate; 35. a second bump; 36. a second slot; 4. a plaque; 41. connecting columns; 5. a connecting rod; 51. a nut; 6. a cross bar; 61. a baffle plate; 62. a wedge profile.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 2, the utility model discloses a suspended ceiling structure who easily installs and removes, including a plurality of jibs 11 fixed with roof 1, jib 11 is fixed with roof 1 through the inflation screw, jib 11 below is provided with a plurality of

main joist

2, 2 up end of main joist are fixed with connecting rod 12, jib 11 and connecting rod 12 all are provided with the external screw thread, jib 11 and connecting rod 12's external screw thread spiral shell is opposite, be provided with swivel nut 13 between jib 11 and the connecting rod 12, swivel nut 13 be provided with jib 11 and connecting rod 12 screw-thread fit's internal thread, swivel nut 13 both ends and connecting rod 12 and jib 11 threaded connection. Thereby can control jib 11 and connecting rod 12 when rotating swivel nut 13 and be close to each other or keep away from to the realization is to the regulation of relative position between jib 11 and the connecting rod 12, and then realizes the regulation to main joist 2 and roof 1 relative position, has the function of conveniently leveling when installation main joist 2, can adapt to the roof 1 of unevenness.

The side wall of the threaded sleeve 13 is provided with a plurality of jackscrews 14 in a penetrating manner, the jackscrews 14 are in threaded connection with the threaded sleeve 13, one end of each jackscrew 14 facing the threaded sleeve 13 is in abutting fit with the connecting rod 12 or the suspension rod 11, and the suspension rod 11 or the connecting rod 12 is abutted by the jackscrew 14 to fix the relative position of the suspension rod 11 and the connecting rod 12.

The lower terminal surface of main joist 2 is fixed with a plurality of false joists 3, and main joist 2 and false joists 3 are parallel with roof 1, set up perpendicularly between main joist 2 and the false joists 3, and the main joist 2 and the 3 cross-sections of false joists all are the rectangle.

The main keel 2 is formed by splicing a plurality of main bone units 21 end to end along the length direction, and the auxiliary keel 3 is formed by splicing a plurality of auxiliary bone units 31 end to end along the length direction.

As shown in fig. 2 to 4, a first protrusion 24 protrudes from one end of each main frame unit 21, a first slot 22 matching with the first protrusion 24 is recessed from the other end of each main frame unit 21, and the adjacent main frame units 21 are connected with the first slots 22 through the first protrusions 24 in an inserting manner to form the main keel 2; one end of each auxiliary bone unit 31 is protruded with a second bump 35, the other end is recessed with a second slot 36 matched with the second bump 35, and the adjacent auxiliary bone units 31 are spliced with the second slots 36 through the second bumps 35 to form the auxiliary keels 3. Wherein the joints between the main bone units 21 and the joints between the auxiliary bone units 31 are intersected and pass through the first projection 24 and the first slot 22 of the main bone unit 21 and the second projection 35 and the second slot 36 of the auxiliary bone unit 31 through the connecting rod 12. Wherein the lower extreme threaded connection of connecting rod 12 has support piece 15, and support piece 15 periphery is fixed with the first spacing piece 151 that the diameter is greater than connecting rod 12, and first spacing piece 151 and the lower terminal surface butt of vice bone unit 31 are fixed with the second spacing piece 16 that the diameter is greater than connecting rod 12 on the connecting rod 12 outer peripheral face, and the upper end face butt of second spacing piece 16 and main bone unit 21. During the process of connecting the support member 15 with the connecting rod 12, the first and

second stopper pieces

151 and 16 clamp the main bone unit 21 and the sub-bone unit 31, and connect and suspend-support the main bone unit 21 and the sub-bone unit 31 to each other.

As shown in fig. 2 and 5, the corridor suspended ceiling structure further comprises a cross rod 6 placed on two adjacent auxiliary keels 3, the cross rod 6 is in a long strip shape, a connecting rod 5 is welded and fixed to the lower end of the cross rod 6, the lower end of the connecting rod 5 is connected with a rectangular decorative plate 4, the upper end face of the connecting rod 5 is fixed to the center of the cross rod 6, a nut 51 is connected to the lower end of the connecting rod 5 in a rotating mode, a connecting column 41 with an external thread is fixed to the center of the decorative plate 4, and the connecting column 41 is in threaded connection with the nut 51.

Two auxiliary keels 3 are arranged in the width of the single decorative plate 4, and the cross rod 6 is supported through the auxiliary keels 3. The length of the cross rod 6 is larger than the distance between the adjacent side surfaces of the two adjacent auxiliary keels 3, and the length of the cross rod 6 is smaller than the side length of the decorative plate 4. The lower end face of the cross rod 6 is further fixed with two vertically downward baffles 61, the baffles 61 are close to two ends of the cross rod 6 respectively, the two baffles 61 are arranged between the adjacent false keels 3, and the two baffles 61 are abutted to the side walls, close to the adjacent false keels 3, of each other respectively.

The upper end face of the auxiliary bone unit 31 is provided with a clamping groove 32 inclining downwards, the opening of the clamping groove 32 is large and small for the cross rod 6 to pass through, the bottom of the clamping groove 32 is vertically downwards provided with a groove 33, the groove 33 can be clamped with the cross rod 6, and the upper end face of the cross rod 6 is provided with a wedge-shaped surface 62 abutted against the side wall of the clamping groove 32. The clamping groove 32 and the groove 33 are arranged to penetrate through the side face of the auxiliary keel 3, wherein a round angle is arranged on the side wall with a smaller included angle at the opening of the clamping groove 32, so that the cross rod 6 can be more smoothly led into the clamping groove 32, the lower end face of the auxiliary keel 3 is fixedly provided with the reinforcing rib plate 34 arranged along the length direction of the auxiliary keel 3, and the reinforcing rib plate 34 is arranged below the groove 33.

The side of main joist 2 is fixed with magnet 23, and magnet 23 and false keel 3 up end butt, magnet 23 set up the side of draw-in groove 32 opening slope orientation. The magnet 23 is used for attracting the cross rod 6 arranged on the upper end surface of the auxiliary keel 3, thereby fixing the cross rod 6 arranged on the upper end surface of the auxiliary keel 3.

The implementation principle of the embodiment is as follows:

when installing this furred ceiling structure of easily installing and removing, measure the interval earlier, it is fixed with roof 1 through expansion screw with jib 11, then pass through

swivel nut

13 and 11 threaded connection of jib with connecting rod 12 of main joist 2 to make level main joist 2 through swivel nut 13, then support tight jib 11 and connecting rod 12 through jackscrew 14 and carry out the height-fixing.

And then the main bone unit 21 and the auxiliary bone unit 31 are connected with the connecting rod 12, the main bone unit 21 and the auxiliary bone unit 31 are connected and supported by matching the supporting piece 15 with the connecting rod 12, a plurality of main bone units 21 and auxiliary bone units 31 are sequentially installed, and the adjacent main bone units 21 and auxiliary bone units 31 are spliced to form the main keel 2 and the auxiliary keel 3 respectively. Then it is fixed with horizontal pole 6 and connecting rod 5 to place horizontal pole 6 on false keel 3, the fixed two sides baffle 61 in horizontal pole 6 bottom this moment respectively with adjacent false keel 3's lateral wall butt spacing, slide in draw-in groove 32 with horizontal pole 6 again, and advance horizontal pole 6 joint into the recess 33 of draw-in groove 32 bottom, realize the circumference and axial spacing to horizontal pole 6, vertical direction then through its self gravity vertical downwards, realize spacing to horizontal pole 6. Finally, the decorative plate 4 is connected with the connecting rod 5 through threads, the decorative plate 4 is installed, and all the cross rods 6, the connecting rods 5 and the decorative plate 4 are placed and installed, so that the suspended ceiling structure is installed.

When carrying out daily dismantlement and overhaul the pipeline equipment of furred ceiling top, push up the plaque 4 is vertical, make horizontal pole 6 break away from recess 33, then with the wedge profile 62 of horizontal pole 6 and draw-in groove 32 lateral wall butt along draw-in groove 32 upwards sliding, attract until horizontal pole 6 and magnet 23 butt, make plaque 4 temporarily fixed to can the person of facilitating the use vacate the space that both hands follow plaque 4 and carry out the pipeline equipment and overhaul.

When plaque 4 need be taken off, with plaque 4 vertical upwards push up until the lateral wall butt of the wedge profile 62 of horizontal pole 6 and draw-in groove 32, lead through draw-in groove 32 horizontal pole 6 until horizontal pole 6 and draw-in groove 32 separation, this plaque 4 is higher than adjacent plaque 4 this moment, then rotate this plaque 4 ninety degrees, make horizontal pole 6 pass in can following adjacent false keel 3, take off plaque 4 again, accomplish the dismantlement to plaque 4, convenient and fast.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a furred ceiling structure that easily installs and removes, including main joist (2), with under main joist (2) terminal surface is fixed and counter keel (3) of relative main joist (2) perpendicular setting, main joist (2) top is provided with a plurality of jib (11) with roof (1) fixed connection, characterized by: the main keel (2) is composed of a plurality of main bone units (21), and the main bone units (21) are spliced end to end along the length direction; the auxiliary keel (3) consists of a plurality of auxiliary bone units (31), and the auxiliary bone units (31) are spliced end to end along the length direction; the main keel (2) and the auxiliary keel (3) are suspended by the suspension rod (11); a plurality of decorative plates (4) can be detachably arranged below the auxiliary keel (3).

2. An easily assembled and disassembled ceiling structure as set forth in claim 1, wherein: two adjacent a plurality of horizontal poles (6) have in the cross-over connection between false keel (3), the slope of vice bone unit (31) up end is opened there is draw-in groove (32), draw-in groove (32) confession horizontal pole (6) slide in and the joint cooperation, horizontal pole (6) below middle part is connected with connecting rod (5), connecting rod (5) with plaque (4) up end center is connected, the length of horizontal pole (6) is less than the length of side of plaque (4).

3. An easily assembled and disassembled ceiling structure as set forth in claim 1, wherein: a height adjusting mechanism is connected between the main keel (2) and the suspension rod (11), the height adjusting mechanism comprises a connecting rod (12), a threaded sleeve (13) is arranged between the connecting rod (12) and the suspension rod (11), external threads are formed on both the connecting rod (12) and the suspension rod (11), the thread directions of the external threads of the connecting rod (12) and the suspension rod (11) are opposite, internal threads in threaded fit with the suspension rod (11) and the connecting rod (12) are formed on the threaded sleeve (13), and the threaded sleeve (13) is in threaded connection with the suspension rod (11) and the connecting rod (12); the threaded sleeve (13) is provided with a jackscrew (14) which tightly abuts against the connecting rod (12) and the suspender (11) in a penetrating way.

4. An easily assembled and disassembled ceiling structure as set forth in claim 3, wherein: a first convex block (24) is protruded at one end of the main bone unit (21), a first slot (22) matched with the first convex block (24) is sunken at the other end of the main bone unit, a second convex block (35) is protruded at one end of the auxiliary bone unit (31), a second slot (36) matched with the second convex block (35) is sunken at the other end of the auxiliary bone unit, and splicing parts of the main bone unit (21) and the auxiliary bone unit (31) are arranged in an intersecting manner; connecting rod (12) link up main bone unit (21) and vice bone unit (31), connecting rod (12) lower extreme threaded connection has support piece (15), support piece (15) be fixed with first spacing piece (151) of vice bone unit (31) lower terminal surface butt, connecting rod (12) outer peripheral face is fixed with the diameter and is greater than spacing piece (16) of second of connecting rod (12), spacing piece (16) of second with main bone unit (21) up end butt.

5. An easily assembled and disassembled ceiling structure as set forth in claim 2, wherein: the bottom of the clamping groove (32) is provided with a vertical downward groove (33), and the groove (33) is matched with the cross rod (6).

6. An easily assembled and disassembled ceiling structure as set forth in claim 2, wherein: the main bone unit (21) side is fixed with magnet (23), magnet (23) with false keel (3) up end butt, magnet (23) set up draw-in groove (32) opening slope side towards.

7. An easily assembled and disassembled ceiling structure as set forth in claim 2, wherein: two baffles (61) are fixed on the lower end face of the cross rod (6), the two baffles (61) are arranged between the two adjacent auxiliary bone units (31), and the two baffles (61) are respectively abutted against the opposite side faces of the two auxiliary bone units (31).

8. An easily assembled and disassembled ceiling structure as set forth in claim 5, wherein: a reinforcing rib plate (34) is fixed to the lower end face of the auxiliary rib unit (31) along the length direction, and the reinforcing rib plate (34) is arranged below the groove (33).

9. An easily assembled and disassembled ceiling structure as set forth in claim 5, wherein: draw-in groove (32) and recess (33) link up vice bone unit (31), the less lateral wall of draw-in groove (32) opening part contained angle has the fillet.

10. An easily assembled and disassembled ceiling structure as set forth in claim 5, wherein: a connecting column (41) is fixed on the upper end face of the decorative plate (4), a nut (51) is rotatably connected to the lower end of the connecting rod (5), and the nut (51) is in threaded connection with the connecting column (41).