Ceiling system

Abstract

The present invention discloses a ceiling system, the ceiling system having a concave structure, the concave structure being surrounded by a plurality of stepped structures, each stepped structure including: a hanging member having a horizontal side at the bottom and a vertical side at the side that are perpendicular to each other; a top plate keel, the horizontal side and the vertical side of the hanging member being provided with the top plate keel; a top plate including at least a vertical top plate and a first horizontal top plate, the vertical top plate being configured to be installed on the top plate keel located on the vertical side of the hanging member, and the first horizontal top plate being configured to be installed on the top plate keel located on the horizontal side of the hanging member; a suspension rod at least for hoisting the hanging member. By providing the hanging member in the stepped structure surrounding the concave structure, a definite assembly and positioning relationship is formed between the top plate keels for installing the horizontal top plate and the vertical top plate, and the stepped structure has relatively high stiffness and strength.

Description

Technical Field

[0001] The present invention relates to the technical field of decoration, and particularly to a ceiling system Background Art

[0002] In a ceiling system with a concave structure, the concave structure is surrounded by a stepped structure. However, in the prior art, there is no mutual positioning or assembly relationship between the keels for vertically installing the ceiling board and the keels for horizontally installing the ceiling board that make up the stepped structure. This causes trouble in the installation of the ceiling board, affects the installation accuracy of the ceiling board, and the strength at the stepped structure is relatively poor Summary of the Invention

[0003] In view of the above technical problems existing in the prior art, an embodiment of the present invention provides a ceiling system

[0004] To solve the above technical problems, the technical solution adopted in the embodiment of the present invention is as follows

[0005] A ceiling system, the ceiling system has a concave structure, the concave structure is surrounded by a plurality of stepped structures, and each stepped structure includes

[0006] A hanging member, which has a horizontal side at the bottom and a vertical side at the side that are perpendicular to each other

[0007] A ceiling board keel, the horizontal side and the vertical side of the hanging member are both provided with the ceiling board keel

[0008] A ceiling board, which at least includes a vertical ceiling board and a first horizontal ceiling board. The vertical ceiling board is used to be installed on the ceiling board keel located on the vertical side of the hanging member, and the first horizontal ceiling board is used to be installed on the ceiling board keel on the horizontal side of the hanging member

[0009] A suspender, which is at least used to hoist the hanging member

[0010] Preferably, sliding card portions are formed on both the horizontal side and the vertical side of the hanging member; wherein

[0011] The ceiling board keel is formed with a sliding groove, and the ceiling board keel is connected to the hanging member through the sliding fit of the sliding card portion of the hanging member and the sliding groove

[0012] Preferably, the room for installing the ceiling system has opposite first and second walls, and opposite third and fourth walls; the stepped structure includes a first stepped structure, a second stepped structure, a third stepped structure, and a fourth stepped structure corresponding to the first wall, the second wall, the third wall, and the fourth wall respectively; wherein

[0013] The distance between the first wall and the second wall is less than the distance between the third wall and the fourth wall.

[0014] The hanging members include a first hanging member and a second hanging member corresponding to the first stepped structure and the second stepped structure respectively, and a third hanging member and a fourth hanging member corresponding to the third stepped structure and the second stepped structure respectively.

[0015] Preferably, a limiting groove is formed on the horizontal side of the fourth hanging member; the fourth stepped structure further includes a first bearing keel;

[0016] The first bearing keel penetrates through the limiting groove of the fourth hanging member, and the end of the roof keel of the fourth stepped structure is connected to the first bearing keel and is perpendicular to the first bearing keel.

[0017] Preferably, the first bearing keel has a sliding clamping part, and the roof keel of the fourth stepped structure is connected to the first bearing keel by means of the cooperation between the sliding groove thereon and the sliding clamping part of the first bearing keel.

[0018] Preferably, both the first hanging member and the second hanging member are constructed into an L-shaped structure by a vertical plate body and a horizontal plate body; a first connecting part is movably connected to the end of the horizontal plate body to be correspondingly connected to the first wall and the second wall by means of the first connecting part.

[0019] Preferably, the concave structure further has a top structure; the top structure includes:

[0020] A second bearing keel, and the suspension rod is also used for hanging the second bearing keel;

[0021] A roof keel, which is connected to the second bearing keel;

[0022] A second horizontal roof plate, which is used to be installed on the roof keel of the top structure.

[0023] Preferably, the second bearing keel has a sliding clamping part, and the roof keel of the top structure is connected to the second bearing keel by means of the cooperation between the sliding groove thereon and the sliding clamping part of the second bearing keel.

[0024] The third stepped structure further includes a curtain box horizontal keel, a curtain box vertical keel, a curtain box horizontal enclosing board, and a curtain box vertical enclosing board; the third hanging member includes: a vertical stepped structure plate body, a vertical curtain box structure plate body, a horizontal stepped structure plate body connected between the bottoms of the vertical stepped structure plate body and the vertical curtain box structure plate body, and a horizontal curtain box structure plate body connected to the vertical curtain box structure plate body and facing the third wall;

[0025] Part of the top plate keels of the third stepped structure are respectively installed on the vertical side edges outside the plate body of the vertical stepped structure and the horizontal side edges at the bottom of the plate body of the horizontal stepped structure.

[0026] The other part of the top plate keels of the third stepped structure are respectively installed on the vertical side edges outside the plate body of the vertical curtain box structure and the horizontal side edges at the bottom of the plate body of the horizontal curtain box structure.

[0027] Preferably, the ceiling system further includes a second connecting member and a third connecting member. The top plate keel has a chute, and the second connecting member and the third connecting member have sliding parts that cooperate with the chute of the top plate keel. Both the second connecting member and the third connecting member are used to connect the top plate keel close to the wall to the wall.

[0028] Compared with the prior art, the beneficial effects of the ceiling system disclosed by the present invention are:

[0029] By arranging hanging members in the stepped structure that encloses the concave structure, a definite assembly and positioning relationship is formed between the top plate keels for installing the horizontal top plate and the vertical top plate, and the stepped structure has relatively high stiffness and strength.

[0030] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not intended to limit the present invention.

[0031] An overview of various implementations or examples of the technology described in the present invention is not an exhaustive disclosure of the entire scope of the disclosed technology or all features. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In the drawings which are not necessarily drawn to scale, the same reference numerals may describe similar components in different views. The same reference numerals with alphabetical suffixes or different alphabetical suffixes may represent different instances of similar components. The drawings generally illustrate various embodiments by way of example and not limitation, and are used together with the description and the claims to illustrate the embodiments of the invention. Where appropriate, the same reference numerals are used throughout the drawings to refer to the same or similar parts. Such embodiments are illustrative and are not intended to be an exhaustive or exclusive embodiment of the apparatus or method.

[0033] Figure 1 A perspective structural view of the ceiling system provided by an embodiment of the present invention (showing the indoor wall).

[0034] Figure 2 Another perspective structural view of the ceiling system provided by an embodiment of the present invention (hiding the indoor wall).

[0035] Figure 3 Structural schematic diagram of another perspective of the ceiling system provided by the embodiment of the present invention (the indoor wall is hidden).

[0036] Figure 4 For Figure 3 Enlarged view of partial A of

[0037] Figure 5 For Figure 3 Enlarged view of partial B of

[0038] Figure 6 For Figure 3 Enlarged view of partial C of

[0039] Figure 7 For Figure 3 Enlarged view of partial D of

[0040] Reference numerals:

[0041] 10 - First stepped structure; 11 - First hanging member; 111 - Horizontal plate body; 112 - Vertical plate body; 20 - Second stepped structure; 21 - Second hanging member; 22 - First connecting member; 30 - Third stepped structure; 31 - Third hanging member; 311 - Vertical stepped structure plate body; 312 - Horizontal stepped structure plate body; 313 - Vertical curtain box structure plate body; 314 - Horizontal curtain box structure plate body; 40 - Fourth stepped structure; 41 - Fourth hanging member; 411 - Sliding card portion; 42 - Limiting groove; 51 - Top plate keel; 511 - Chute; 61 - First receiving keel; 62 - Second receiving keel; 63 - Sliding card portion; 70 - Suspension rod; 81 - First horizontal top plate; 82 - Vertical top plate; 83 - Second horizontal top plate; 84 - Vertical curtain box enclosure panel; 85 - Horizontal curtain box enclosure panel; 90 - Top structure; 101 - First wall; 102 - Second wall; 103 - Third wall; 110 - Second connecting member; 1101 - Sliding card portion; 120 - Third connecting member; 1201 - Sliding card portion. Detailed implementation manners

[0042] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present invention.

[0043] Unless otherwise defined, the technical terms or scientific terms used in this invention shall have the ordinary meanings as understood by those of ordinary skill in the art to which this invention pertains. The terms "first", "second" and similar words used in this invention do not denote any order, quantity or importance, but are only used to distinguish different components. Words such as "comprising" or "including" mean that the elements or objects appearing before this word cover the elements or objects listed after this word and their equivalents, without excluding other elements or objects. Words such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Upper", "lower", "left", "right", etc. are only used to represent relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0044] To keep the following description of the embodiments of the present invention clear and concise, detailed descriptions of known functions and known components are omitted in the present invention.

[0045] As Figures 1 to 7 shown, an embodiment of the present invention discloses a ceiling system, which has a concave structure. The ceiling system is particularly suitable for being installed indoors where the distance between the opposite first wall 101 and the second wall 102 is less than the distance between the opposite third wall 103 and the fourth wall (not shown), and the concave structure of the ceiling system is closer to the third wall 103 provided with a window, and a curtain box structure is constructed in the area close to the third wall 103.

[0046] As Figures 1 to 3 shown, the concave structure is surrounded by four stepped structures and a top structure 90, that is, surrounded by a first stepped structure 10, a second stepped structure 20, a third stepped structure 30, and a fourth stepped structure 40 corresponding to the first wall 101, the second wall 102, the third wall 103, and the fourth wall respectively, and the top structure 90.

[0047] The above-mentioned stepped structures and the top structure 90 need to be constructed by a ceiling main runner 51, which is used for installing a ceiling board to obtain the ceiling system.

[0048] In the present invention, the components for constructing the stepped structures and the top structure 90, in addition to the ceiling main runner 51 and the ceiling board, also include hanging members and bearing runners. Generally, the hanging members have vertical side edges located on the sides and horizontal side edges located at the bottom for installing the ceiling main runner 51, and the ceiling main runner 51 is respectively installed on the vertical side edges and the horizontal side edges of the hanging members, so that there is a definite assembly relationship between the ceiling main runners 51.

[0049] In the present invention, the top plate keel 51 is configured to have a chute 511, and a sliding clamping portion 411 is formed on the hanging member. The top plate keel 51 is installed on the hanging member by means of the cooperation of its chute 511 and the sliding clamping portion 411.

[0050] As Figure 3 and in combination with Figure 5 shown, specifically, the first stepped structure 10 includes: a plurality of first hanging members 11, a plurality of the above-mentioned top plate keels 51, a vertical top plate 82, and a first horizontal top plate 81. The second stepped structure 20 is substantially the same as the first stepped structure 10. The second stepped structure 20 includes a plurality of second hanging members 21, a plurality of the above-mentioned top plate keels 51, a vertical top plate 82, and a first horizontal top plate 81. The first hanging members 11 in the first stepped structure 10 and the second hanging members 21 in the second stepped structure 20 have the same structure. That is, both the first hanging member 11 and the second hanging member 21 are constructed into an L-shaped structure by a vertical plate body 112 and a horizontal plate body 111. The outer side of the vertical plate body 112 is a vertical side for installing the top plate keel 51, and the lower side of the horizontal plate body 111 is a horizontal side for installing the top plate keel 51. The sliding clamping portion 411 is formed on both the vertical side and the horizontal side. A plurality of the above-mentioned first hanging members 11 and a plurality of second hanging members 21 are arranged at intervals in sequence. The top plate keel 51 is installed on the vertical side and the horizontal side by means of the cooperation of its chute 511 and the sliding clamping portion 411 on the vertical side and the horizontal side. The vertical top plate 82 and the first horizontal top plate 81 are respectively installed on the top plate keels 51 on the vertical side and the horizontal side.

[0051] In addition, as Figure 3 shown, a first connecting member 22 is connected to the end of the horizontal plate body 111. Long circular holes are formed in both the first connecting member 22 and the horizontal plate body 111. A bolt passes through the long circular holes of both to movably connect the first connecting member 22 to the end of the horizontal plate body 111. The first connecting member 22 is fixed to the first wall body 101 and the second wall body 102 by means of screws.

[0052] In addition, each of the above-mentioned first hanging members 11 and each second hanging member 21 are hung by a suspension rod 70.

[0053] As Figure 4 and in combination with Figure 3As shown, the fourth stepped structure 40 includes: a plurality of fourth hanging members 41, a plurality of the above-mentioned top plate keels 51, a plurality of first bearing keels 61, a vertical top plate 82, and a first horizontal top plate 81. Each fourth hanging member 41 is also generally in an L-shaped structure. Sliding card portions 411 are formed on the vertical side on the inner side and the horizontal side at the bottom of the fourth hanging member 41. The above-mentioned plurality of first hanging members 11 are also arranged at intervals in sequence. The top plate keel 51 is installed on the vertical side and the horizontal side through the cooperation of the sliding groove 511 thereon and the sliding card portions 411 on the vertical side and the horizontal side.

[0054] A limiting groove 42 is opened on one side of the sliding card portion 411 on the horizontal side at the bottom of each fourth hanging member 41. The cross-section of the first bearing keel 61 generally matches the limiting groove 42. There are a plurality of the first bearing keels 61, and the plurality of first bearing keels 61 are arranged in parallel at intervals. The first bearing keel 61 located on the innermost side penetrates through the limiting grooves 42 of all the fourth hanging members 41.

[0055] Each bottom of the first bearing keel 61 has a plurality of sliding card portions 63 similar to the sliding card portions 411 on the above-mentioned hanging members, and the plurality of sliding card portions 63 are arranged in sequence along the length of the first bearing keel 61.

[0056] A part of the above-mentioned top plate keel 51 is installed on the vertical side and the horizontal side of the fourth hanging member 41 through the cooperation of the sliding card portion 411 and the sliding groove 511 on the fourth hanging member 41; another part of the top plate keel 51 is arranged in parallel at intervals and is perpendicular to the first bearing keel 61, and this part of the top plate keel 51 is connected to the first bearing keel 61 through the cooperation of the sliding groove 511 and the sliding card portion 63 on the first bearing keel 61. Moreover, the end of the top plate keel 51 is connected to the first bearing keel 61 on the innermost side through the cooperation of the sliding card portion 63 and the sliding groove 511.

[0057] All the above-mentioned first bearing keels 61 are hung by suspension rods 70, and a plurality of suspension rods 70 are arranged at intervals on each first bearing keel 61.

[0058] As Figure 3 And in combination with Figure 5As shown, the third stepped structure 30 includes: a plurality of third hanging members 31, a plurality of top plate keels 51, a vertical top plate 82, and a horizontal top plate. Since the third stepped structure 30 is close to the third wall 103 where a window is installed, generally, a curtain box structure needs to be constructed in the area close to this side wall. Therefore, the third hanging member 31 also needs to be provided with a structure that can form a curtain box structure. Specifically, each third hanging member 31 includes a vertical stepped structure plate body 311, a vertical curtain box structure plate body 313, a horizontal stepped structure plate body 312 connected between the bottoms of the vertical stepped structure plate body 311 and the vertical curtain box structure plate body 313, and a horizontal curtain box structure plate body 314 connected to the vertical curtain box structure plate body 313 and facing the third wall 103; sliding clamping portions 411 are formed on the vertical side edges on the outer side of the horizontal stepped structure plate body 312, the horizontal side edges at the bottom of the horizontal stepped structure plate body 312, the vertical side edges on the outer side of the vertical curtain box structure plate body 313, and the horizontal side edges at the bottom of the horizontal curtain box structure plate body 314, and the above-mentioned plurality of top plate keels 51 are all installed on the above-mentioned side edges through the cooperation of the sliding clamping portions 411 and the sliding grooves 511. Since the applications of the curtain box structure and the stepped structure are different, therefore, the top plates installed on the top plate keels 51 for the horizontal curtain box plate body and the vertical curtain box plate body may be called the curtain box horizontal enclosing plate 85 and the curtain box vertical enclosing plate 84. In this way, the curtain box vertical enclosing plate 84, the curtain box horizontal enclosing plate 85 and the third wall 103 enclose a curtain box structure.

[0059] As Figures 1 to 3 shown, the top structure 90 includes a plurality of second receiving keels 62, a plurality of top plate keels 51, and a second horizontal top plate 83. The plurality of second receiving keels 62 are arranged in parallel at intervals, and the structure of each second receiving keel 62 is the same as that of the first receiving keel 61, that is, sliding clamping portions 63 arranged at intervals are formed; the plurality of top plate keels 51 are arranged in parallel at intervals and are perpendicular to the second receiving keels 62, and the top plate keels 51 are connected to the second receiving keels 62 through the cooperation of the sliding grooves 511 on them and the sliding clamping portions 63 on the second receiving keels 62. A plurality of hanging rods 70 arranged at intervals are installed on each second receiving keel 62, and the second receiving keel 62 is hung by the hanging rods 70.

[0060] Since the fourth stepped structure 40 is far from the fourth wall, and the two ends of the first receiving keel 61 used to connect to the top plate keel 51 cannot be set too long, this makes the top plate keels 51 close to the first wall 101 and the second wall 102 unable to be connected to the first receiving keel 61, and in the present invention, as Figure 3 and Figure 6As shown, the top plate keel 51 is connected to the first wall 101 and the second wall 102 by means of the second connecting member 110. Specifically, the second connecting member 110 includes two movably connected members. One of the members is formed with a sliding card portion 1101, and the sliding card portion 1101 cooperates with the chute 511 of the top plate keel 51. The other member is fixedly attached to the first wall 101 and the second wall 102 by means of fasteners. In this way, the top plate keel 51 in this area is installed and positioned.

[0061] The ends of some of the above-mentioned top plate keels 51 need to be installed and positioned. In the present invention, the top plate keel 51 is installed and positioned by means of the third connecting member 120. The difference between the third connecting member 120 and the above-mentioned second connecting member 110 is that the second connecting member 110 is only one member, and the third connecting member 120 is also formed with a sliding card portion 1201. The sliding card portion 1201 cooperates with the chute 511 of the top plate keel 51 and is connected to the end of the top plate keel 51. The third connecting member 120 forms an attaching plate by bending, and the attaching plate is fixed to the wall by means of fasteners so that the end of the top plate keel 51 is installed and positioned.

[0062] The advantages of the ceiling system provided by the present invention are as follows:

[0063] By arranging the hanging members in the stepped structure that encloses the concave structure, a definite assembly and positioning relationship is formed between the top plate keels 51 for installing the horizontal top plate and the vertical top plate 82, and the stiffness and strength of the stepped structure are relatively strong.

[0064] In addition, although exemplary embodiments have been described in the present invention, the scope includes any and all embodiments based on the present invention having equivalent elements, modifications, omissions, combinations (e.g., solutions that cross various embodiments), adaptations, or changes. The elements in the claims will be broadly interpreted based on the language used in the claims and are not limited to the examples described in this specification or during the implementation of this application. The examples will be interpreted as non-exclusive. Therefore, this specification and the examples are only to be considered as examples, and the true scope and spirit are indicated by the following claims and the full scope of their equivalents.

[0065] The above description is intended to be illustrative and not restrictive. For example, the above examples (or one or more aspects thereof) may be used in combination with each other. For example, those of ordinary skill in the art may use other embodiments when reading the above description. Additionally, in the above detailed description, various features may be grouped together to simplify the present invention. This should not be construed as an intention that the disclosed features not claimed are necessary for any claim. On the contrary, the subject matter of the present invention may be less than all of the features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, where each claim stands on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations. The scope of the present invention should be determined with reference to the appended claims and the full scope of equivalents to which those claims are entitled.

[0066] The above embodiments are only exemplary embodiments of the present invention and are not used to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements within the essence and protection scope of the present invention, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present invention.

Claims

1. A ceiling system, characterized in that, The ceiling system has a concave structure, which is surrounded by a plurality of stepped structures. Each stepped structure includes: A hanging member having a horizontal side at the bottom and a vertical side at the side that are perpendicular to each other; A top plate keel, and the top plate keel is installed on both the horizontal side and the vertical side of the hanging member; A top plate, which at least includes a vertical top plate and a first horizontal top plate. The vertical top plate is used to be installed on the top plate keel located on the vertical side of the hanging member, and the first horizontal top plate is used to be installed on the top plate keel located on the horizontal side of the hanging member; A suspender, which is at least used to hoist the hanging member; The interior for installing the ceiling system has opposite first and second walls, and opposite third and fourth walls; the stepped structure includes a first stepped structure, a second stepped structure, a third stepped structure, and a fourth stepped structure corresponding to the first wall, the second wall, the third wall, and the fourth wall respectively; where: The distance between the first wall and the second wall is less than the distance between the third wall and the fourth wall; The hanging members include a first hanging member and a second hanging member corresponding to the first stepped structure and the second stepped structure respectively, and a third hanging member and a fourth hanging member corresponding to the third stepped structure and the second stepped structure respectively; Both the first hanging member and the second hanging member are constructed into an L-shaped structure by a vertical plate body and a horizontal plate body; a first connecting component is movably connected to the end of the horizontal plate body to be correspondingly connected to the first wall and the second wall by means of the first connecting component; Sliding clamping parts are formed on both the horizontal side and the vertical side of the hanging member; where: The top plate keel is formed with a sliding groove, and the top plate keel is connected to the hanging member by the sliding fit of the sliding clamping part of the hanging member and the sliding groove.

2. The ceiling system according to claim 1, characterized in that A limiting groove is opened on the horizontal side of the fourth hanging member; the fourth stepped structure further includes a first bearing keel; The first bearing keel penetrates through the limiting groove of the fourth hanging member, and the end of the top plate keel of the fourth stepped structure is connected to the first bearing keel and is perpendicular to the first bearing keel.

3. The ceiling system according to claim 2, wherein The first bearing keel has a sliding clamping part, and the top plate keel of the fourth stepped structure is connected to the first bearing keel by the cooperation of the sliding groove on it and the sliding clamping part of the first bearing keel.

4. The ceiling system according to claim 1, wherein The concave structure also has a top structure; the top structure includes: A second bearing keel, and the suspender is also used to hoist the second bearing keel; A top plate keel, which is connected to the second bearing keel; A second horizontal top plate, which is used to be installed on the top plate keel of the top structure.

5. The ceiling system according to claim 4, characterized in that, The second bearing keel has a sliding clamping part, and the top plate keel of the top structure is connected to the second bearing keel by the cooperation of the sliding groove on it and the sliding clamping part of the second bearing keel.

6. The ceiling system according to claim 1, characterized in that, The third stepped structure further includes a horizontal keel of the curtain box, a vertical keel of the curtain box, a horizontal enclosing board of the curtain box, and a vertical enclosing board of the curtain box; the third hanging member includes: a vertical stepped structure plate body, a vertical curtain box structure plate body, a horizontal stepped structure plate body connected between the bottom of the vertical stepped structure plate body and the vertical curtain box structure plate body, and a horizontal curtain box structure plate body connected to the vertical curtain box structure plate body and facing the third wall. A part of the top plate keels of the third stepped structure are respectively installed on the vertical side edges outside the vertical stepped structure plate body and the horizontal side edges at the bottom of the horizontal stepped structure plate body. Another part of the top plate keels of the third stepped structure are respectively installed on the vertical side edges outside the vertical curtain box structure plate body and the horizontal side edges at the bottom of the horizontal curtain box structure plate body.

7. The ceiling system according to claim 1, wherein, The ceiling system further includes a second connecting component and a third connecting component. The top plate keel has a chute, and the second connecting component and the third connecting component have sliding card parts that cooperate with the chute of the top plate keel. Both the second connecting component and the third connecting component are used to connect the top plate keel close to the wall to the wall.

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