CN218933577U

CN218933577U - Keel suspended ceiling structure

Info

Publication number: CN218933577U
Application number: CN202320214039.8U
Authority: CN
Inventors: 张严
Original assignee: Sichuan Huiyi Engineering Technology Co ltd
Current assignee: Sichuan Huiyi Engineering Technology Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-04-28
Anticipated expiration: 2033-02-10

Abstract

The utility model belongs to the technical field of suspended ceiling keels, and discloses a keel suspended ceiling structure which comprises side keels, transverse keels, vertical keels and top keels, wherein the cross sections of the side keels, the transverse keels, the vertical keels and the top keels are U-shaped; the two side keels are symmetrically arranged and parallel to each other, and the notch of the two side keels are oppositely arranged; the side keel is provided with a top edge and a bottom edge, the bottom edge is provided with a positioning convex part which protrudes upwards along the width direction and enables the bottom surface of the bottom edge to form a caulking groove, and the positioning convex part is provided with at least one first connecting hole; the transverse keel is provided with a first end and a second end, the first end is connected with a transverse connecting piece, and the bottom of the transverse connecting piece is provided with a first positioning groove which is in embedded fit with the positioning convex part. After the gypsum board is connected, the fastener does not protrude out of the bottom surface of the side keel, so that the horizontal installation of the gypsum board is not affected, the connecting piece and the side keel can be conveniently and rapidly installed and positioned, the installation is more accurate, and the structural design is reasonable and more practical.

Description

Keel suspended ceiling structure

Technical Field

The utility model belongs to the technical field of suspended ceiling keels, and particularly relates to a keel suspended ceiling structure.

Background

With the rapid development of society, the living standard of people is improved, and the requirements of people on living environment and working environment are also higher and higher. Suspended ceilings are indispensable in decoration engineering, whether home decoration or tooling.

In light gauge steel gypsum board furred ceiling, can use the connection plug-in components that turns to in limit top portion usually, can connect horizontal fossil fragments, limit fossil fragments and vertical joist, such connection plug-in components mainly have two parts, be vertical link and lateral link and two link respectively and be the cell type structure in order to realize with the grafting of horizontal fossil fragments and vertical joist and be connected, in such structure, limit fossil fragments are mostly L shape fossil fragments and U-shaped fossil fragments, L shape fossil fragments are used more and can be better realization horizontal fossil fragments and vertical joist's connection, but it only the base carries out the atress to horizontal fossil fragments, vertical joist and connection plug-in components and supports, for unilateral atress and atress are great, be out of shape easily after long-term use, the steadiness of structure is relatively poor.

Moreover, the connection of the L-shaped side keels, the transverse keels and the connecting plug-ins is mostly realized through rivets, and the rivet heads have a certain thickness, so that the bottom surfaces of the side keels are provided with parts protruding out of the bottom surfaces of the side keels, the bottom surfaces of the side keels cannot be horizontal, and the horizontal installation of gypsum boards is affected.

Disclosure of Invention

Accordingly, the present utility model is directed to a ceiling structure for a keel, which solves the problem that the horizontal installation of gypsum boards is affected due to the effect of the side keels, the cross keels and the connecting inserts on the bottom level after the side keels, the cross keels and the connecting inserts are connected by rivets.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a keel suspended ceiling structure comprises side keels, transverse keels, vertical keels and top keels, wherein the cross sections of the side keels, the transverse keels, the vertical keels and the top keels are U-shaped;

the two side keels are symmetrically arranged and parallel to each other, and the notch of the two side keels are oppositely arranged; the side keel is provided with a top edge and a bottom edge, the bottom edge is provided with a positioning convex part which protrudes upwards along the width direction and enables the bottom surface of the bottom edge to form a caulking groove, and the positioning convex part is provided with at least one first connecting hole; the transverse keel is provided with a first end and a second end, the first end is connected with a transverse connecting piece, the bottom of the transverse connecting piece is provided with a first positioning groove which is in jogged fit with the positioning convex part, the first positioning groove is provided with a second connecting hole corresponding to the first connecting hole, and the second connecting hole is connected with the first connecting hole through a fastener;

the second end of the transverse keel is connected with the side keel and the vertical keel on the corresponding side through the steering connecting piece, and the top end of the vertical keel is connected with the top keel.

In a possible implementation manner, the cross section of the transverse connecting piece is U-shaped and is provided with a first connecting end and a second connecting end, the bottom of the first connecting end is provided with the first positioning groove, and the second connecting end is inserted into the inner side of the second end of the transverse keel and is telescopic and adjustable in the length direction.

In a possible implementation manner, at least one row of third connecting holes are formed in the length direction of the two side edges of the second connecting end, and at least one row of fourth connecting holes are formed in the length direction of the two side edges of the first end of the transverse keel and fixedly connected with the third connecting holes through fasteners.

In a possible implementation manner, the first positioning groove is formed by pressing and penetrates through the bottom of the transverse connecting piece along the width direction of the transverse connecting piece, and correspondingly, the positioning protruding portions are distributed along the length direction of the edge keels.

In a possible implementation manner, the first connecting hole is provided with a plurality of waist-shaped holes along the length direction of the positioning convex part, and the second connecting hole is provided with a plurality of round holes along the width direction of the first positioning groove.

In a possible implementation manner, the positioning convex part is formed by bending the bottom edge of the side keel upwards, and the concave embedding groove is formed on the bottom surface of the side keel.

In a possible implementation manner, the steering connecting piece comprises a vertical connecting end and a transverse connecting end which are both U-shaped in section, wherein the vertical connecting end is connected with the vertical keel and is in clamping fit with the top edge of the edge keel, and the transverse connecting end is connected with the second end of the transverse keel;

the vertical connecting end with be equipped with intermediate junction portion between the transverse connecting end, intermediate junction portion have in its bottom be formed with the transverse connection section of second constant head tank and with transverse connection section vertically vertical connecting section, transverse connection section pass through the second constant head tank with correspond the side fossil fragments the location convex part gomphosis cooperation and can dismantle the connection, vertical connecting section highly be greater than or equal to the difference in height of side fossil fragments's location convex part top surface and side fossil fragments topside to two side standing edges and vertical connecting section of vertical connecting end constitute the draw-in groove structure that can supply side fossil fragments topside to support in it.

In a possible implementation manner, at least one row of fifth connecting holes are distributed on the two side vertical plates of the transverse connecting end along the length, and the fifth connecting holes are connected with the two side vertical plates of the transverse keel through fasteners;

and at least one row of sixth connecting holes are formed in the two side vertical plates of the vertical connecting end along the height direction, and the sixth connecting holes are connected with the vertical keels through fasteners.

In a possible implementation manner, the cross section of the vertical keel is U-shaped, the bottom end of the vertical keel is in plug-in fit with the vertical connecting end of the steering connecting piece, and the top end of the vertical keel is connected with the top keel through the vertical connecting piece;

the vertical connecting piece is consistent with the transverse connecting piece in structure, and the top keel is consistent with the side keel in structure.

In a possible implementation manner, the side keels, the cross keels, the vertical keels, the top keels, the transverse connectors and the steering connectors are all made of light steel.

Compared with the prior art, the utility model has the following beneficial effects:

according to the keel suspended ceiling structure, the transverse keels can be conveniently connected with the side keels through the transverse connecting pieces, the positioning convex parts of the side keels can enable the bottoms to form the caulking grooves which are convenient for embedding the fastening pieces such as the anchor rivets, after connection, the fastening pieces cannot protrude out of the bottom surfaces of the side keels, so that the horizontal installation of gypsum boards is not affected, and the connecting pieces and the side keels can be conveniently and rapidly installed and positioned through the matching of the positioning convex parts and the first positioning grooves, so that the installation is more accurate, and the structure design is reasonable and practical.

Moreover, the corner connecting piece also has the connection structure that can make the fastener not protrude in the side fossil fragments ground to can be connected with the location convex part of side fossil fragments through intermediate junction, can realize connecting and atress support through the topside joint cooperation of vertical link and side fossil fragments again, but make full use of side fossil fragments's structure like this, the atress is more balanced, can effectively avoid the problem of being out of shape easily, and the steadiness is better, and also provides such new connection structure, be different from current fossil fragments connection structure greatly, novel structure and reasonable in design.

Simultaneously, limit fossil fragments, vertical joist, top fossil fragments and transverse connection spare and corner connecting piece are double hole structure, can realize with vertical joist, horizontal fossil fragments and limit fossil fragments's adjustable connection, also have better joint strength, more convenient, practical.

In addition, through transverse connection spare and corner connecting piece, can be with limit fossil fragments, vertical joist and horizontal fossil fragments, top fossil fragments connect and constitute furred ceiling structure, every part of such structure is light steel matter, can do benefit to the full light steel of accomplishing the furred ceiling from this, also can be applied to limit top furred ceiling and flat top furred ceiling to every part can be convenient for make standardized part, with this can do benefit to realization standardization, modularization construction and quick construction.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application at a first viewing angle;

FIG. 2 is a schematic structural diagram of an embodiment of the present application at a second view angle;

FIG. 3 is a schematic view of a connection structure of a side keel, a transverse connector and a cross keel according to an embodiment of the present application;

fig. 4 is a schematic structural view of an edge runner according to an embodiment of the present application;

FIG. 5 is a schematic view of a cross-connect member according to an embodiment of the present application;

fig. 6 is a schematic structural view of a cross runner according to an embodiment of the present application;

FIG. 7 is a schematic view of the connection structure of the side runners, corner connectors, and cross runners and vertical runners of an embodiment of the present application;

FIG. 8 is a schematic structural view of a corner connector according to an embodiment of the present disclosure;

fig. 9 is a schematic structural diagram of the embodiment of the present application when a single hole array structure is adopted.

In the figure: 1-edge keels; 11-positioning convex parts; 12-fixing holes; 13-caulking groove; 14-a first connection hole; 15-lap zone; 2-a transverse connector; 21-a first positioning groove; 22-a second connection hole; 23-lap; 24-a third connecting hole; 3-a transverse keel; 31-fourth connecting holes; 32-guiding protrusions; 4-connecting plug-ins; 41-vertical connection ends; 411-sixth connecting holes; 42-transverse connection ends; 421-V shaped guide slots; 422-fifth connecting holes; 43-transverse connection section; 44-a vertical connection section; 45-seventh connecting holes; 5-vertical keels; 6-top keel.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

The utility model is further described with reference to the drawings and specific examples.

Referring to fig. 1-9, an embodiment of the present application provides a suspended ceiling structure of a keel, including side keels 1, cross keels 3, vertical keels 5 and top keels 6, and all have U-shaped cross sections;

the two side keels 1 are symmetrically arranged and parallel to each other, and the notch of the two side keels 1 are oppositely arranged; the side keel 1 is provided with a top edge and a bottom edge, the bottom edge is provided with a positioning convex part 11 which protrudes upwards along the width direction and enables the bottom surface of the bottom edge to form a caulking groove 13, and the positioning convex part 11 is provided with at least one first connecting hole 14; the transverse keel 3 is provided with a first end and a second end, the first end is connected with a transverse connecting piece 2, the bottom of the transverse connecting piece 2 is provided with a first positioning groove 21 which is jogged and matched with the positioning convex part 11, the first positioning groove 21 is provided with a second connecting hole 22 corresponding to the first connecting hole 14, and the second connecting hole 22 is connected with the first connecting hole 14 through a fastener;

the second end of the transverse keel 3 is connected with the side keel 1 and the vertical keel 5 on the corresponding sides simultaneously through steering connectors, and the top end of the vertical keel 5 is connected with the top keel 6.

Through foretell technical scheme, can make horizontal fossil fragments 3 be more convenient for be connected with limit fossil fragments 1 through transverse connection piece 2, the location convex part 11 of limit fossil fragments 1 can make the bottom form the caulking groove 13 that fastener such as anchor rivet of being convenient for imbeds, after connecting, the fastener can not protrude in the bottom surface of limit fossil fragments 1 to reach the horizontal installation that does not influence the gypsum board, and through the cooperation of location convex part 11 and first constant head tank 21, make connecting piece and limit fossil fragments 1 can be convenient for install the location fast, the installation is also more accurate, structural design is reasonable, more practical.

In an embodiment, the cross section of the transverse connector 2 is U-shaped and has a first connection end and a second connection end, the bottom of the first connection end is provided with the first positioning groove 21, and the second connection end is inserted into the inner side of the second end of the transverse keel 3 and is telescopic and adjustable in the length direction.

The transverse connection 2 has a U-shaped structure, which can be adapted to the cross runner 3 and is connected in a plug-in manner. The first positioning groove 21 can enable the transverse connecting piece 2 to be in embedded fit with the positioning convex part 11 of the edge keel 1, so that quick positioning and installation are realized. The second connecting end of the horizontal keel is connected with the second end of the horizontal keel 3 in a telescopic and adjustable mode, adjustment can be conveniently carried out according to actual conditions, and the horizontal keel is more convenient.

Further, in order to improve the connection strength between the transverse connecting piece 2 and the transverse keel 3, at least one row of third connecting holes 24 are formed in the length direction of the two side edges of the second connecting end, at least one row of fourth connecting holes 31 are formed in the length direction of the two side edges of the first end of the transverse keel 3, and the fourth connecting holes 31 are fixedly connected with the third connecting holes 24 through fasteners. The third connecting holes 24 and the fourth connecting holes 31 can be arranged in one row or two rows, and the structure of two rows of holes is preferable in the implementation process, so that the connection strength between the keels and the connecting pieces can be improved, and the connection is firmer.

Further, for better positioning of the transverse connector 2 and movable adjustment during installation, the first positioning groove 21 is formed by pressing, and the first positioning groove 21 penetrates through the bottom of the transverse connector 2 along the width direction of the transverse connector 2, and correspondingly, the positioning convex parts 11 are distributed along the length direction of the edge keel 1. In this way, the transverse connecting piece 2 can be directly placed on the positioning convex part 11 through the first positioning groove 21, and preliminary positioning and installation can be realized without excessive adjustment and alignment, so that the transverse connecting piece is more convenient.

In a specific implementation process, the first connecting hole 14 is provided with a plurality of kidney-shaped holes along the length direction of the positioning protrusion 11, and the second connecting hole 22 is provided with a plurality of circular holes along the width direction of the first positioning groove 21. Through waist shape hole and circular hole cooperation, can realize the adjustable installation of certain degree.

Specifically, the positioning protruding portion 11 is formed by bending the bottom edge of the edge keel 1 upwards, and the concave caulking groove 13 is formed on the bottom surface of the edge keel 1. The bending can be performed by pressing or bending by bending equipment, so that the positioning convex part 11 formed by bending has better bearing strength. Meanwhile, a lap joint area 15 lower than the top surface of the positioning convex part 11 is formed on the upper surface of the bottom edge of the edge keel 1, and the lap joint area 15 can be used for placing and bearing a lap joint part 23 formed by extending the transverse connecting piece 2, so that the supporting performance is improved.

In the practical implementation process, a plurality of fixing holes 12 are further formed in the length direction of the side edges of the edge keels 1, so that the edge keels 1 are fixed on the wall body.

In the embodiment of the application, the steering connecting piece comprises a vertical connecting end 41 and a transverse connecting end 42 which are both U-shaped in cross section, wherein the vertical connecting end 41 is connected with the vertical keel 5 and is in clamping fit with the top edge of the edge keel 1, and the transverse connecting end 42 is connected with the second end of the transverse keel 3; the vertical connecting end 41 with be equipped with intermediate junction between the transverse connecting end 42, intermediate junction has the transverse connection section 43 that is formed with the second constant head tank in its bottom and with transverse connection section 43 vertically vertical connecting section 44, transverse connection section 43 through the second constant head tank with correspond side fossil fragments 1's location convex part 11 gomphosis cooperation and can dismantle the connection, vertical connecting section 44 highly be greater than or equal to the difference in height of side fossil fragments 1's location convex part 11 top surface and side fossil fragments 1 topside top surface to make two side standing edges of vertical connecting end 41 constitute the draw-in groove structure that can supply side fossil fragments 1 topside to support in it with vertical connecting section 44.

The steering connecting piece can be connected with the transverse keel 3, the second positioning groove of the middle connecting part can be connected with the positioning convex part 11 of the edge keel 1, and the vertical connecting end 41 can be matched with the top edge of the edge keel 1 in a clamping manner, so that the structure of the edge keel 1 can be fully utilized to realize connection and stress support, the stress is more balanced, the problem of easy deformation can be effectively avoided, the stability is better, and the novel connecting structure is also provided, so that the novel connecting structure is greatly different from the existing keel connecting structure, and the novel connecting structure is novel in structure and reasonable in design. A seventh coupling hole 45 is provided in the length direction of the transverse coupling section 43, and the seventh coupling hole 45 is used for coupling with the first coupling hole 14 of the side keel 1.

Further, at least one row of fifth connecting holes 422 are distributed on the two side uprights of the transverse connecting end 42 along the length, and the fifth connecting holes 422 are connected with the two side uprights of the transverse keel 3 through fasteners; the two side vertical plates of the vertical connection end 41 are respectively provided with at least one row of sixth connection holes 411 along the height direction, and the sixth connection holes 411 are connected with the vertical keel 5 through fasteners.

The transverse connection end 42 and the vertical connection end 41 can be provided with one row or two rows of connection holes, and two rows are preferably arranged in a specific implementation process, so that the connection strength and the stability of the steering connection piece and the transverse keels 3 and the vertical keels 5 can be improved. Meanwhile, in order to facilitate more convenient connection and more accurate installation between each keel and the corresponding connecting piece, the two side edges of each keel are provided with V-shaped guide grooves 421 and guide protrusions 32 matched with the V-shaped guide grooves 421 of the adjacent keels are formed on the inner sides, so that connection can be facilitated.

Further, the cross section of the vertical keel 5 is U-shaped, the bottom end of the vertical keel is in plug-in fit with the vertical connecting end 41 of the steering connecting piece, and the top end of the vertical keel 5 is connected with the top keel 6 through the vertical connecting piece; the vertical connecting piece is consistent with the transverse connecting piece 2 in structure, and the top keel 6 is consistent with the side keel 1 in structure. In this way, the vertical keel 5 can be better and more conveniently connected to the top keel 6 and the steering linkage.

In the embodiment of the application, the side keels 1, the cross keels 3, the vertical keels 5, the top keels 6, the transverse connectors 2 and the steering connectors are all made of light steel.

The utility model provides a fossil fragments furred ceiling structure, has following beneficial effect:

the horizontal keel 3 can be more convenient to be connected with the side keel 1 through the transverse connecting piece 2, the locating convex part 11 of the side keel 1 can enable the bottom to form the caulking groove 13 which is convenient for the embedding of fasteners such as anchor rivets, and the fasteners can not protrude out of the bottom surface of the side keel 1 after connection, so that the horizontal installation of gypsum boards is not affected, and the connecting piece and the side keel 1 can be conveniently and rapidly installed and positioned through the matching of the locating convex part 11 and the first locating groove 21, so that the installation is more accurate, and the structural design is reasonable and practical.

Moreover, the corner connecting piece also has the connection structure that can make the fastener not protrude in limit fossil fragments 1 ground to can be connected with the location convex part 11 of limit fossil fragments 1 through intermediate junction, can pass through the top limit joint cooperation of vertical link 41 and limit fossil fragments 1 again, can make full use of limit fossil fragments 1's structure realization connect and atress support like this, the atress is more balanced, can effectively avoid easy problem of warping, the steadiness is better, and also provide such new connection structure, be greatly different from current fossil fragments connection structure, novel structure and reasonable in design.

Simultaneously, limit fossil fragments 1, vertical joist 5, top fossil fragments 6 and transverse connection spare 2 and corner connecting piece are double hole structure, can realize with vertical joist 5, horizontal fossil fragments 3 and the adjustable connection of limit fossil fragments 1, also have better joint strength, more convenient, practical.

In addition, through transverse connection piece 2 and corner connecting piece, can be with limit fossil fragments 1, vertical joist 5 and horizontal fossil fragments 3, top fossil fragments 6 connect and constitute furred ceiling structure, every part of such structure is light steel matter, can do benefit to the full light steel of accomplishing the furred ceiling from this to every part can be convenient for make standardized part, with this can do benefit to realization standardization, modularization construction and quick construction.

Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Fossil fragments furred ceiling structure, its characterized in that: comprises side keels (1), transverse keels (3), vertical keels (5) and top keels (6), and the cross sections of the side keels are U-shaped;

two side keels (1) are symmetrically arranged and are parallel to each other, and the notch of each side keel (1) is arranged oppositely; the side keel (1) is provided with a top edge and a bottom edge, the bottom edge is provided with a positioning convex part (11) which protrudes upwards along the width direction and enables the bottom surface of the bottom edge to form a caulking groove (13), and the positioning convex part (11) is provided with at least one first connecting hole (14); the transverse keel (3) is provided with a first end and a second end, the first end is connected with a transverse connecting piece (2), a first positioning groove (21) which is in embedded fit with the positioning convex part (11) is formed in the bottom of the transverse connecting piece (2), a second connecting hole (22) corresponding to the first connecting hole (14) is formed in the first positioning groove (21), and the second connecting hole (22) is connected with the first connecting hole (14) through a fastener;

the second end of the transverse keel (3) is connected with the side keel (1) and the vertical keel (5) at the corresponding side simultaneously through the steering connecting piece, and the top end of the vertical keel (5) is connected with the top keel (6).

2. The keel ceiling structure of claim 1, wherein: the cross section of the transverse connecting piece (2) is U-shaped and is provided with a first connecting end and a second connecting end, the bottom of the first connecting end is provided with a first positioning groove (21), and the second connecting end is inserted into the inner side of the second end of the transverse keel (3) and is telescopic and adjustable in the length direction.

3. The keel ceiling structure of claim 2, wherein: at least one row of third connecting holes (24) are formed in the length direction of the two side edges of the second connecting end, at least one row of fourth connecting holes (31) are formed in the length direction of the two side edges of the first end of the transverse keel (3), and the fourth connecting holes (31) are fixedly connected with the third connecting holes (24) through fasteners.

4. The keel ceiling structure of claim 1, wherein: the first positioning groove (21) is formed by pressing, the first positioning groove (21) penetrates through the bottom of the transverse connecting piece (2) along the width direction of the transverse connecting piece (2), and correspondingly, the positioning convex parts (11) are distributed along the length direction of the edge keels (1).

5. The keel ceiling structure of claim 4, wherein: the first connecting holes (14) are provided with a plurality of waist-shaped holes along the length direction of the positioning convex parts (11), and the second connecting holes (22) are provided with a plurality of round holes along the width direction of the first positioning grooves (21).

6. The keel ceiling structure of claim 1, wherein: the positioning convex part (11) is formed by bending the bottom edge of the side keel (1) upwards, and the concave caulking groove (13) is formed on the bottom surface of the side keel (1).

7. A keel ceiling structure according to any of the claims 1-6, wherein: the steering connecting piece comprises a vertical connecting end (41) and a transverse connecting end (42), wherein the vertical connecting end (41) and the vertical keel (5) are connected and matched with the top edge of the side keel (1) in a clamping manner, and the transverse connecting end (42) is connected with the second end of the transverse keel (3);

the vertical connecting end (41) with be equipped with intermediate junction between transverse connection end (42), intermediate junction have in its bottom be formed with transverse connection section (43) of second constant head tank and with transverse connection section (43) vertically vertical connecting section (44), transverse connection section (43) pass through second constant head tank and correspond side fossil fragments (1) location convex part (11) gomphosis cooperation and detachable connection, vertical connecting section (44) highly be greater than or equal to the difference in height of side fossil fragments (1) location convex part (11) top surface and side fossil fragments (1) topside to make two side standing edges of vertical connecting end (41) constitute the draw-in groove structure that can supply side fossil fragments (1) topside to support in it with vertical connecting section (44).

8. The keel ceiling structure of claim 7, wherein: at least one row of fifth connecting holes (422) are distributed on the two side vertical plates of the transverse connecting end (42) along the length, and the fifth connecting holes (422) are connected with the two side vertical plates of the transverse keel (3) through fasteners;

two side vertical plates of the vertical connecting end (41) are respectively provided with at least one row of sixth connecting holes (411) along the height direction, and the sixth connecting holes (411) are connected with the vertical keels (5) through fasteners.

9. The keel ceiling structure of claim 8, wherein: the cross section of the vertical keel (5) is U-shaped, the bottom end of the vertical keel is in plug-in fit with the vertical connecting end (41) of the steering connecting piece, and the top end of the vertical keel (5) is connected with the top keel (6) through the vertical connecting piece;

the vertical connecting piece is consistent with the transverse connecting piece (2) in structure, and the top keel (6) is consistent with the side keel (1) in structure.

10. The keel ceiling structure of claim 1, wherein: the side keels (1), the transverse keels (3), the vertical keels (5), the top keels (6), the transverse connecting pieces (2) and the steering connecting pieces are all made of light steel materials.