WO2013040841A1

WO2013040841A1 - Ceiling panel and installation structure thereof

Info

Publication number: WO2013040841A1
Application number: PCT/CN2011/084875
Authority: WO
Inventors: 林立
Original assignee: 广州市广京装饰材料有限公司
Priority date: 2011-09-22
Filing date: 2011-12-29
Publication date: 2013-03-28
Also published as: CN102383558A

Abstract

A ceiling panel (31) comprising a panel body (1) and multiple sidebars (2). The multiple sidebars (2) respectively are arranged on the periphery of the panel body (1). Magnetic pieces (3) are arranged on at least two opposite sidebars (2). Also provided is an installation structure of the ceiling panel, comprising multiple ceiling panels (31) and an iron beam (22). The magnetic pieces (3) of the ceiling panels (31) are attracted to the iron beam (22), thereby connecting the ceiling panels (31) to the iron beam (22). The present invention allows for reduced difficulties in installation and maintenance and for improved installation quality.

Description

Ceiling and its mounting structure

The invention relates to a ceiling and its mounting structure. Background technique

The ceiling is very common in the decoration industry. The main purpose is to use aluminum ceilings, which include the plate body and the side rails. The side rails are integrally bent and formed with respect to the board body, and corresponding card positions are provided between the side rails and the keel ( Generally, it is a corresponding concave position and convex position. During installation, the side rail of the ceiling is slightly deformed and clamped to the keel. The existing ceiling and its mounting structure have the following defects:

1. The existing ceiling relies on the elastic force generated by its elastic deformation to achieve the clamping with the keel. After multiple deformations or after a long time, the elastic force will become smaller, which will affect the clamping between the ceiling and the keel. Force, easy to cause the ceiling to fall off;

2. Since the ceiling is locked with the keel by elastic deformation, it is necessary to apply a certain force to the ceiling during installation to install the ceiling, which is inconvenient to install and relatively difficult to maintain;

3. When installing the ceiling, it is necessary to apply an upward thrust to the ceiling to deform the ceiling, which affects the flatness of the ceiling installation and reduces the installation quality of the ceiling;

4. The side rail of the ceiling must be located at the periphery of the board. When installing, the ceiling needs to be fixed by the edge part and the keel. The relative position between the keel and the ceiling is strict, which affects the replacement of the ceiling. The existing ceilings are mostly rectangular structures, the structure is too simple, and the appearance is poor. Summary of the invention

SUMMARY OF THE INVENTION The object of the present invention is to overcome the deficiencies of the prior art and to provide a ceiling and a mounting structure thereof. The present invention can reduce the difficulty of installation and maintenance and improve the quality of installation.

The technical solution is as follows.

A ceiling comprises a plate body and a plurality of side rails, wherein the plurality of side rails are respectively located at the periphery of the board body, and at least two opposite side rails are provided with magnetic members.

The side rail includes at least a side flap and a top flap, and the panel body is bent upward to form the side flap, and the side flap is bent inward to form the top flap.

The side flap, the top flap and the plate body are integrally formed.

The magnetic member is disposed on the top flap, and each of the top flaps provided with the magnetic member is located on the same plane. Positioning grooves are provided on the two opposite side flaps, and the positions of the positioning grooves on the opposite side flaps correspond to each other. Both ends of each side flap are flush with the middle portion.

The positioning groove is disposed at both ends of the side flap.

The magnetic member is disposed on the top flap.

The magnetic member is a magnetic strip that is bonded to the top flap.

A recess is provided on the top flap, the magnetic member is a magnetic particle, and the magnetic member is placed in the recess.

The magnetic member is a magnetic block, and the magnetic member is disposed under the top flap. The middle portion of the magnetic member is provided with a first inner side surface and a second inner side surface, and the top flap is partially bent downward. The first flap and the second flap are folded, and the first flap and the second flap respectively press the first inner side surface and the second inner side surface.

The magnetic member is a magnetic block, the magnetic member is disposed under the top flap, and the magnetic member is provided with an opposite first outer side surface and a second outer side surface, wherein the top flap is partially bent downward The first flap and the second flap are folded, and the first flap and the second flap respectively press the first outer side surface and the second outer side surface.

The first outer side surface and the second outer side surface of the magnetic member are respectively provided with positioning holes, and the first flap and the second flap are respectively provided with positioning bosses, and the positioning bosses correspond to the positioning holes.

The first outer side surface, the second outer side surface, the first flap and the second flap of the magnetic member are respectively provided with corresponding positioning holes, and the positioning pin passes through the positioning hole to position the magnetic member.

An insertion groove is disposed on the top flap, and an elastic card is disposed at an end of the insertion groove, and the elastic card is integrally formed with the top flap, and the magnetic member is locked by the elastic card after being inserted into the insertion slot.

Guide grooves are provided on opposite sides of the magnetic member. When the magnetic members are inserted into the insertion grooves, the top flaps on both sides of the insertion groove are caught in the guide grooves on both sides of the magnetic member.

The magnetic member includes a magneto-optical block and a male magnet block, and the opposite sides of the magneto-magnetic block and the anode magnet block are opposite in magnetic orientation, and a corresponding positioning concave portion and a positioning convex portion are disposed between the cathode magnet block and the anode magnet block. The top flap is provided with a penetration hole, and the cathode block and the anode magnet block are respectively located at two sides of the top flap, and the positioning protrusion passes through the insertion hole and cooperates with the positioning recess.

The positioning recess and the positioning protrusion are at least two, and correspondingly, the through holes are also at least two.

The top flap is provided with a receiving groove, one end of the receiving groove is a limiting end, and the other end is a receiving end, and a limiting piece is disposed at the insertion end, and the limiting piece limits the magnetic piece.

A receiving groove is disposed on the top flap, and a limiting piece is disposed at both ends of the receiving groove, and the limiting piece limits the magnetic piece. A ceiling mounting structure comprising a plurality of ceilings and an iron keel, each ceiling comprises a plate body and a plurality of side rails, wherein the plurality of side rails are respectively located at the periphery of the board body, and at least two opposite side rails are provided with magnetic parts, magnetic parts and The iron keel is attached to connect the ceiling to the iron keel.

The side rail includes at least a side flap and a top flap, and the panel body is bent upward to form the side flap, and the side flap is bent inward to form the top flap, and the top flap abuts The lower part of the iron keel.

The side flap, the top flap and the plate body are integrally formed.

The magnetic member is disposed on the top flap, and each of the top flaps provided with the magnetic member is located on the same plane. Positioning grooves are provided on the two opposite side flaps, and the positions of the positioning grooves on the opposite side flaps correspond to each other.

The side flap includes two opposite positioning side pieces and two opposite fixed side pieces, and the magnetic piece is disposed at least on a top flap connected to the fixed side piece, and the positioning groove is disposed on two of the positioning side pieces. The end portion of the iron keel has a "door" type, and includes a horizontal top edge and two vertical sides, and two vertical sides are respectively located on two sides of the horizontal top edge; The fixed side panels of the ceiling are adjacent to each other, and the two vertical sides of the iron keel are respectively inserted into the positioning slots of the positioning side sheets of the two adjacent ceilings.

The cross section of the iron keel is in the form of a "door", which comprises a horizontal top edge and two vertical sides, two vertical sides respectively located on two sides of the horizontal top edge; The sheets are adjacent to each other, and the inner side edges of the top flaps of the two adjacent ceilings respectively abut against the inner sides of the two vertical sides.

The lower ends of the two vertical sides of the iron keel are inclined outward, so that the cross section of the iron keel is flared.

Each iron keel is connected with two hanging pieces, and the hanging piece includes an upper hook, a lower hook and a connecting arm between the upper hook and the lower hook; the lower hook is wrapped outside the iron keel, and the hanging hook is hung The cross section of the hook is also in the form of "door"; the upper hook, the lower hook and the connecting arm of the hanging piece are integrally formed.

The advantages or principles of the present invention are described below:

1. The ceiling is provided with magnetic parts. The ceiling is connected to the iron keel by magnetic parts. During installation, the ceiling is not required to be fixed by the elastic deformation of the ceiling, which improves the installation quality of the ceiling, and does not need to be deliberately installed during installation. The ceiling is pushed up to deform it, making installation and maintenance more convenient;

2. Since the ceiling is connected to the iron keel through the magnetic member, the structural requirements between the ceiling and the iron keel are relatively loose in the overall structure, and the ceiling can be more easily updated to improve the aesthetics of the ceiling;

3. The ceiling includes side flaps and top flaps. When splicing and mounting multiple ceilings, the side flaps of two adjacent ceilings can be pressed tightly to achieve accurate positioning of each ceiling, avoiding two adjacent ceilings. There is a gap between them; and the top flap is horizontal, which can be closely attached to the keel to improve the stability of the ceiling. After the magnetic piece is mounted on the top flap, the ceiling and the keel can be more closely adsorbed;

4. There are positioning grooves on the two side flaps opposite to the ceiling. When installing, the two vertical sides of the iron keel can be respectively inserted into the positioning slots of the adjacent two ceilings, thereby realizing two adjacent ceilings. Positioning, avoiding the movement of the adjacent two ceilings to create a gap;

5. In the absence of the positioning groove, the inner side edges of the top flaps of the adjacent two ceilings respectively abut the inner sides of the two vertical sides of the iron keel, and can also position the adjacent two ceilings. Avoid moving the gap between two adjacent ceilings to create a gap;

6. The lower ends of the two vertical sides of the iron keel are inclined outward to form a flared shape. When installed, the side panel of the ceiling can be more easily aligned with the iron keel, and the installation efficiency is high and the operation is more convenient;

7. The magnetic member can be a magnetic strip, a magnetic particle or a magnetic block, and the structure is not limited, such as: A. The top flap is provided with a first flap and a second flap, and the two opposite sides of the magnetic block are clamped by the first flap and the second flap, and the processing process is simple, and the positioning boss and the positioning hole are adopted. Cooperating, or using the positioning pin and the positioning hole, can further improve the reliability of the magnetic block fixing;

B. An insertion slot is disposed on the top flap, and an elastic card is disposed at an end of the insertion slot. The magnetic member is inserted through the insertion slot, and the elastic card inserted into the end of the slot can be returned to the original position and the magnetic member is restricted. Installation efficiency is very high;

C. A receiving groove is arranged on the top flap, and a limiting piece is arranged at one end or both ends of the receiving groove. When the magnetic piece is placed, the magnetic piece is restricted by the limiting piece. DRAWINGS

1 is a view showing a mounting structure of a ceiling and a keel in the first embodiment of the present invention;

Figure 2 is a side view of the mounting structure of the ceiling and the keel;

Figure 3 is a structural view of the hanging member;

Figure 4 is a partial enlarged view of Figure 2;

Figure 5 is a structural view of the ceiling;

Figure 6 is a partial enlarged view of Figure 5;

Figure 7 is a schematic view of the assembly of Figure 6;

Figure 8 is a view showing the mounting structure of the ceiling and the keel in the second embodiment of the present invention;

Figure 9 is a side view of the mounting structure of the ceiling and the keel;

Figure 10 is a partial enlarged view of Figure 9;

Figure 11 is a structural view of the ceiling;

Figure 12 is a partial enlarged view of Figure 11;

Figure 13 is a schematic view of the assembly of Figure 12;

Figure 14 is a view showing the installation structure of a ceiling and a keel in the third embodiment of the present invention;

Figure 15 is a side view of the mounting structure of the ceiling and the keel;

Figure 16 is a partial enlarged view of Figure 15;

Figure 17 is a structural view of a ceiling;

Figure 18 is a partial enlarged view of Figure 17;

Figure 19 is a schematic view of the assembly of Figure 18;

Figure 20 is a view showing the mounting structure of the ceiling and the keel in the fourth embodiment of the present invention;

Figure 21 is a side view of the mounting structure of the ceiling and the keel;

Figure 22 is a partial enlarged view of Figure 21;

Figure 23 is a structural view of the ceiling;

Figure 24 is a partial enlarged view of Figure 23; Figure 25 is a first assembly view of Figure 24; Figure 26 is a second assembly view of Figure 24;

Figure 27 is a view showing the mounting structure of the ceiling and the keel in the fifth embodiment of the present invention; and Figure 28 is a side view showing the mounting structure of the ceiling and the keel;

Figure 29 is a partial enlarged view of Figure 28;

Figure 30 is a structural view of the ceiling;

Figure 31 is a partial enlarged view of Figure 30;

Figure 32 is an assembled view of Figure 31;

Figure 33 is a view showing the mounting structure of the ceiling and the keel in the sixth embodiment of the present invention; and Figure 34 is a side view showing the mounting structure of the ceiling and the keel;

Figure 35 is a partial enlarged view of Figure 34;

Figure 36 is a structural view of the ceiling;

Figure 37 is a partial enlarged view of Figure 36;

Figure 38 is an assembled view of Figure 37;

Figure 39 is a view showing the mounting structure of the ceiling and the keel in the seventh embodiment of the present invention; and Figure 40 is a side view showing the mounting structure of the ceiling and the keel;

Figure 41 is a partial enlarged view of Figure 40;

Figure 42 is a structural view of a ceiling;

Figure 43 is a partial enlarged view of Figure 42;

Figure 44 is an assembled view of Figure 43;

Figure 45 is a view showing the mounting structure of the ceiling and the keel in the eighth embodiment of the present invention; and Figure 46 is a side view showing the mounting structure of the ceiling and the keel;

Figure 47 is a partial enlarged view of Figure 46;

Figure 48 is a structural view of a ceiling;

Figure 49 is a partial enlarged view of Figure 48;

Figure 50 is a schematic view of the assembly of Figure 49;

Figure 51 is a view showing the mounting structure of the ceiling and the keel in the ninth embodiment of the present invention; and Figure 52 is a side view showing the mounting structure of the ceiling and the keel;

Figure 53 is a partial enlarged view of Figure 52;

Figure 54 is a structural view of a ceiling;

Figure 55 is a partial enlarged view of Figure 54;

Figure 56 is an assembled view of Figure 55;

Figure 57 is a view showing the mounting structure of a ceiling and a keel in the tenth embodiment of the present invention; Figure 58 is a side view of the mounting structure of the ceiling and the keel;

Figure 59 is a partial enlarged view of Figure 58;

Figure 60 is a structural view of a ceiling;

Figure 61 is a partial enlarged view of Figure 60;

Figure 62 is an assembled view of Figure 61;

Figure 63 is a view showing the mounting structure of a ceiling and a keel in the eleventh embodiment of the present invention;

Figure 64 is a side view of the mounting structure of the ceiling and the keel;

Figure 65 is a partial enlarged view of Figure 64;

Figure 66 is a structural view of the ceiling;

Figure 67 is a partial enlarged view of Figure 66;

Figure 68 is a schematic view of the assembly of 67;

Description of the reference signs:

1. Plate body, 2. Side rail, 3. Magnetic parts, 4. Side flaps, 5. Top flaps, 6. Positioning groove, 7. Pit, 8. First flap, 9. Second flap, 10, positioning hole, 11, positioning pin, 12, insert slot, 13, elastic card, 14, guide groove, 15, yin magnetic block, 16, male magnetic block, 17, positioning convex, 18, positioning recess, 19, Through hole, 20, accommodating groove, 21, limit piece, 22, iron keel, 23, positioning side piece, 24, fixed side piece, 25, vertical side, 26, horizontal top edge, 27, hanging piece , 28, upper hook, 29, lower hook, 30, connecting arm, 31, ceiling. detailed description

The embodiments of the present invention are described in detail below.

Embodiment 1 As shown in FIG. 1 to FIG. 7 , a ceiling mounting structure includes a plurality of ceilings 31 and an iron keel 22 . Each ceiling 31 includes a panel body 1 and a plurality of side rails 2 , and a plurality of side rails 2 are respectively located on the panel body 1 . In the periphery, at least two opposite side rails 2 are provided with a magnetic member 3, and the magnetic member 3 is attracted to the iron keel 22 to connect the ceiling 31 with the iron keel 22.

The side rail 2 includes a side flap 4 and a top flap 5, and the panel body 1 is bent upward to form a side flap 4, and the side flap 4 is bent inward to form a top flap 5, the side flap 4 The top flap 5 and the plate body 1 are integrally formed, and the top flap 5 abuts against the lower portion of the iron keel 22. Positioning grooves 6 are provided at both end portions of the opposite side flaps 4, and the positions of the positioning grooves 6 on the opposite side flaps 4 correspond. The side flap 4 includes two opposite positioning side pieces 23 and two opposite fixed side pieces 24, and the magnetic piece 3 is disposed on the top flap 5 connected to the fixed side piece 24, and the positioning groove 6 is disposed on Positioning the two end portions of the side panel 23; the cross section of the iron keel 22 is a "door" type, which includes a horizontal top edge 26 and two vertical side edges 25, and the two vertical side edges 25 are respectively located at the horizontal top edge The two sides of the two ceilings 31 are adjacent to each other, and the two vertical side edges 25 of the iron keel 22 are respectively inserted into the positioning grooves 6 of the positioning side sheets 23 of the adjacent two ceilings 31. The magnetic member 3 is disposed on the top flap 5, and each of the top flaps 5 provided with the magnetic member 3 is located on the same plane. Each iron keel 22 is connected to two hanging members 27, and the hanging member 27 includes an upper hook 28, a lower hook 29, and an upper hook 28 and a lower hook 29 The connecting arm 30; the lower hook 29 is wrapped outside the iron keel 22, and the lower hook 29 is also in the form of a "door"; the upper hook 28, the lower hook 29 and the connecting arm 30 of the hanging member 27 are Body molding.

In this embodiment, the magnetic member 3 is a magnetic strip and is bonded to the top flap 5.

This embodiment has the following advantages:

1. The ceiling 31 is provided with a magnetic member 3, and the ceiling 31 is connected to the iron keel 22 via the magnetic member 3. When the installation is performed, the ceiling 31 is not required to be fixed by the elastic deformation of the ceiling 31, thereby improving the installation quality of the ceiling 31. It is also not necessary to deliberately push the ceiling 31 upwards to make it deform during installation, which is more convenient for installation and maintenance;

2. Since the ceiling 31 is connected to the iron keel 22 through the magnetic member 3, the structural requirement between the ceiling 31 and the iron keel 22 is relatively loose in the overall structure, and the ceiling 31 can be more easily updated to improve the appearance of the ceiling 31. Sex

3. The ceiling 31 includes a side flap 4 and a top flap 5. When the plurality of ceilings 31 are spliced and mounted, the side flaps 4 of the adjacent two ceilings 31 can be abutted to achieve accurate positioning of the ceilings 31. The gap between the two adjacent ceilings 31 is avoided; and the top flap 5 is horizontal, which can be closely attached to the keel to improve the stability of the ceiling 31. After the magnetic member 3 is mounted on the top flap 5, the ceiling can be made. 31 is more closely adsorbed with the keel;

4. Two positioning tabs 6 are arranged on the two side flaps 4 opposite to the ceiling 31. When installed, the two vertical side edges 25 of the iron keel 22 can be respectively inserted into the positioning slots 6 of the adjacent two ceilings 31. Thereby, the positioning of the adjacent two ceilings 31 is realized, and the distance between the adjacent two ceilings 31 is prevented from moving to generate a gap.

In the second embodiment, as shown in FIG. 8 to FIG. 13, in the embodiment, the top flap 5 is provided with a dimple 7, the magnetic member 3 is a magnetic particle, and the magnetic member 3 is placed in the dimple 7. The principle is the same as that of the first embodiment, and details are not described herein again.

As shown in FIG. 14 to FIG. 19, in the embodiment, the magnetic member 3 is a magnetic block, the magnetic member 3 is placed under the top flap 5, and the middle portion of the magnetic member 3 is provided with a first inner portion. The first flap 8 and the second flap 9 are formed by bending the first flap 8 and the second flap 9 respectively, and the first flap 8 and the second flap 9 respectively press the first inner side, Second inner side. The top flap 5 is provided with a first flap 8 and a second flap 9, and the two opposite sides of the magnetic block are clamped by the first flap 8 and the second flap 9, and the processing process is simple.

In the fourth embodiment, as shown in FIG. 20 to FIG. 26, in the embodiment, the magnetic member 3 is a magnetic block, the magnetic member 3 is placed under the top flap 5, and the magnetic member 3 is provided with a first outer portion. The first flap 8 and the second flap 9 are formed by bending the first flap 8 and the second flap 9 respectively, and the first flap 8 and the second flap 9 respectively press the first outer side surface, Second outer side. The first outer side surface, the second outer side surface, the first flap 8 and the second flap 9 of the magnetic member 3 are respectively provided with corresponding positioning holes 10, and the positioning pin 11 passes through the positioning hole 10 to position the magnetic member 3. . Compared with the third embodiment, the reliability of the magnetic block fixing can be further improved by the positioning boss being engaged with the positioning hole 10 or by the positioning pin 11 and the positioning hole 10.

In the fifth embodiment, as shown in FIG. 27 to FIG. 32, in the embodiment, the top flap 5 is provided with an insertion groove 12, and the end of the insertion groove 12 is provided with an elastic card 13, and the elastic card 13 and the top flap 5 are Body molding, the magnetic member 3 is inserted into the slot and is The elastic card 13 is limited. Guide grooves 14 are provided on the opposite sides of the magnetic member 3. After the magnetic members 3 are inserted into the insertion grooves, the top flaps 5 inserted into the sides of the grooves are caught in the guide grooves 14 on both sides of the magnetic member 3. The top flap 5 is provided with an insertion groove 12, and the end of the insertion groove 12 is provided with an elastic card 13, and the magnetic member 3 is inserted through the insertion groove 12, and the elastic card 13 inserted into the end of the groove 12 can be returned to the original position and The magnetic piece 3 is limited and the installation efficiency is very high.

Embodiment 6 As shown in FIG. 33 to FIG. 38, in the embodiment, the magnetic member 3 includes a magneto-optical block 15 and a male magnet block 16, and the opposite sides of the magneto-magnetic block 15 and the anode magnet block 16 have opposite magnetic properties. A corresponding positioning concave portion 18 and a positioning convex portion 17 are disposed between the magnetic block 15 and the male magnetic block 16. The top flap 5 is provided with a penetration hole 19, and the female magnetic block 15 and the male magnetic block 16 are respectively located at the top folding. Both sides of the sheet 5, and the positioning convex portion 17 passes through the insertion hole 19 to engage with the positioning recess 18. During assembly, the magneto-magnetic block 15 is affixed to the male magnet block 16 for easy assembly.

In the seventh embodiment, as shown in FIG. 39 to FIG. 44, in this embodiment, the positioning recess 18 and the positioning projection 17 are two compared with the seventh embodiment. Correspondingly, the penetration holes 19 are also two. Compared with the seventh embodiment, the cooperation between the female magnet block 15 and the male magnet block 16 is more reliable, and the relative movement is less likely to occur.

As shown in FIG. 45 to FIG. 50, the top flap 5 is provided with a receiving groove 20, one end of the receiving groove 20 is a limiting end, and the other end is a receiving end, and the receiving end is provided with a limit. Bit slice 21. In the assembly, the magnetic member 3 is first placed in the accommodating groove 20, and then the one end of the magnetic member 3 is restricted by the limiting piece 21.

As shown in FIG. 51 to FIG. 56, the top flap 5 is provided with a receiving groove 20, and both ends of the receiving groove 20 are provided with a limiting piece 21. In the assembly, the magnetic member 3 is first placed in the accommodating groove 20, and then the two limiting pieces 21 are pressed down and the two ends of the magnetic member 3 are restrained.

Embodiment 10 As shown in FIG. 57 to FIG. 62, in this embodiment, the cross section of the iron keel 22 is in the form of a "door", which includes a horizontal top edge 26 and two vertical side edges 25, and two vertical side edges 25 They are respectively located on two sides of the horizontal top edge 26; the side flaps 4 of the adjacent two ceilings 31 are close to each other, and the inner side edges of the top flaps 5 of the adjacent two ceilings 31 respectively abut against the two vertical sides 25 Inside. The inner side edges of the top flaps 5 of the adjacent two ceilings 31 respectively abut the inner sides of the two vertical side edges 25 of the iron keel 22, and can also position the adjacent two ceilings 31 to avoid the adjacent two The distance of the ceiling 31 moves to create a gap.

In the eleventh embodiment, as shown in Figs. 63 to 68, in the present embodiment, the lower ends of the two vertical side edges 25 of the iron keel 22 are inclined outward, so that the cross section of the iron keel 22 is flared. The lower ends of the two vertical sides 25 of the iron keel 22 are inclined outward to form a flared shape, and the side rail 2 of the ceiling 31 can be more easily aligned with the iron keel 22 during installation, and the installation efficiency is high and the operation is more convenient.

The above is only the specific embodiment of the present invention, and the scope of the present invention is not limited thereto; any substitutions and improvements made without departing from the inventive concept are within the scope of the present invention.

Claims

A ceiling, comprising a panel and a plurality of side rails, each of the plurality of side rails being located at a periphery of the panel body, wherein the magnetic member is provided on at least two opposite side rails. The ceiling according to claim 1, wherein the side rail comprises at least a side flap and a top flap, and the panel body is bent upward to form the side flap, and the side flap is bent inward to form a side panel. The top flap. The ceiling according to claim 2, wherein the side flap, the top flap and the plate body are integrally formed. The ceiling according to claim 3, wherein the magnetic member is disposed on the top flap, and each of the top flaps provided with the magnetic member is located on the same plane. The ceiling according to claim 3, wherein the two opposite side flaps are provided with positioning grooves, and the positions of the positioning grooves on the opposite side flaps correspond to each other. The ceiling according to claim 5, wherein both ends of each side flap are flush with the center. The ceiling according to claim 5, wherein the positioning groove is provided at both ends of the side flap. The ceiling according to any one of claims 2 to 7, wherein the magnetic member is provided on the top flap. The ceiling according to claim 8, wherein the magnetic member is a magnetic strip attached to the top flap. The ceiling according to claim 8, wherein the top flap is provided with a dimple, the magnetic member is a magnetic particle, and the magnetic member is placed in the dimple. The ceiling according to claim 8, wherein the magnetic member is a magnetic block, the magnetic member is disposed under the top flap, and the middle portion of the magnetic member is provided with a first inner side and a first The inner side of the top flap is partially bent downward to form a first flap and a second flap, and the first flap and the second flap respectively press the first inner side surface and the second inner side surface. 2. The ceiling according to claim 8, wherein the magnetic member is a magnetic block, the magnetic member is disposed under the top flap, and the magnetic member is provided with a first outer outer surface and a first The first outer side surface of the top flap is bent downward to form a first flap and a second flap. The first flap and the second flap respectively press the first outer side surface and the second outer side surface. The ceiling according to claim 12, wherein the first outer side surface and the second outer side surface of the magnetic member are respectively provided with positioning holes, and the first flap and the second flap are respectively provided with positioning convex portions. The positioning boss corresponds to the positioning hole. The ceiling according to claim 12, wherein the first outer side surface, the second outer side surface, the first flap and the second flap of the magnetic member are respectively provided with corresponding positioning holes, and the positioning pin The magnetic member is positioned after passing through the positioning hole. The ceiling according to claim 8, wherein the top flap is provided with an insertion groove, and the end of the insertion groove is provided with an elastic card, and the elastic card is integrally formed with the top flap, and the magnetic member card After being inserted into the slot, it is limited by the elastic card. The ceiling according to claim 15, wherein a guide groove is provided on two opposite sides of the magnetic member, and when the magnetic member is inserted into the insertion groove, the top flaps on both sides of the insertion groove are stuck to the magnetic member. Inside the guide groove on the side. The ceiling according to claim 8, wherein the magnetic member comprises a magneto-optical block and a male magnet block, and the opposite side of the magneto-optical block and the anode magnet block is opposite in magnetic polarity, and the between the magneto-magnetic block and the anode magnet block is disposed. Corresponding positioning recesses and positioning protrusions are disposed on the top flaps, and the female magnet blocks and the male magnet blocks are respectively located on opposite sides of the top flap, and the positioning convex portions pass through the through holes. After that, it cooperates with the positioning recess. The ceiling according to claim 8, wherein the positioning recess and the positioning protrusion are at least two, and correspondingly, the through holes are at least two. The ceiling according to claim 8, wherein the top flap is provided with a receiving groove, one end of the receiving groove is a limiting end, and the other end is a receiving end, and the limiting end is provided with a limit. a piece, the limiting piece limits the magnetic piece. The ceiling according to claim 8, wherein the top flap is provided with a receiving groove, and the limiting piece is disposed at both ends of the receiving groove, and the limiting piece limits the magnetic piece. A ceiling mounting structure comprising a plurality of ceilings and an iron keel, each ceiling comprising a plate body and a plurality of side rails, wherein the plurality of side rails are respectively located at a periphery of the board body, wherein the magnetic poles are provided on at least two opposite side rails Pieces, magnetic parts and iron keel are attached to connect the ceiling to the iron keel. The ceiling mounting structure according to claim 21, wherein the side rail comprises at least a side flap and a top flap, and the panel is bent upward to form the side flap, and the side flap is bent inwardly The top flap is formed, and the top flap abuts against a lower portion of the iron keel. The ceiling mounting structure according to claim 22, wherein the side flap, the top flap and the plate body are integrally formed. The ceiling mounting structure according to claim 23, wherein the magnetic member is disposed on the top flap, and each of the top flaps provided with the magnetic member is located on a same plane. The ceiling mounting structure according to claim 23, wherein the two opposite side flaps are provided Positioning grooves, and corresponding positions of the positioning grooves on the two side flaps correspond to each other. The ceiling mounting structure according to claim 25, wherein the side flap comprises two opposite positioning side pieces and two opposite fixed side pieces, and the magnetic piece is disposed at least connected to the fixed side piece. On the top flap, the positioning groove is disposed at two ends of the positioning side piece; the cross section of the iron keel is "door" type, and includes a horizontal top edge and two vertical sides, two vertical sides Two fixed sides of the two adjacent ceilings are adjacent to each other, and two vertical sides of the iron keel are respectively engaged with positioning of the positioning side pieces of two adjacent ceilings. Inside the slot. The ceiling mounting structure according to claim 23, wherein the iron keel has a "door" shape, and includes a horizontal top edge and two vertical sides, and the two vertical sides are respectively located at the horizontal top. The side flaps of the two adjacent ceilings are adjacent to each other, and the inner side edges of the top flaps of the two adjacent ceilings respectively abut against the inner sides of the two vertical sides. The ceiling mounting structure according to claim 27, wherein the lower ends of the two vertical sides of the iron keel are inclined outward, so that the cross section of the iron keel is flared. The ceiling mounting structure according to any one of claims 26 to 28, wherein each iron keel is connected to two hanging members, and the hanging member comprises an upper hook, a lower hook, and an upper hook and a lower hook. The connecting arm between the hooks; the lower hook is wrapped outside the iron keel, and the cross section of the lower hook is also a "door"type; the upper hook, the lower hook and the connecting arm of the hanging piece are integrally formed.