Hidden high-strength plate splicing structure

Abstract

The utility model provides a hidden type high-strength plate splicing structure which comprises a special notch structure and a hidden type reinforcing splicing piece, the special notch structure comprises an upper notch structure and a lower notch structure, the upper notch structure is arranged on one side of a first plate, the lower notch structure is arranged on one side of a second plate, and the hidden type reinforcing splicing piece is arranged on the first plate. The upper notch structure is in butt joint with the lower notch structure, and the hidden reinforced splicing piece is inserted between the upper notch structure and the lower notch structure; the upper notch structure and the lower notch structure are provided with an upper clamping groove and a lower clamping groove respectively, the hidden reinforced splicing piece is provided with a first positioning protrusion structure and a second positioning protrusion structure, the first positioning protrusion structure is connected with the upper clamping groove in a clamped mode, and the second positioning protrusion structure is connected with the lower clamping groove in a clamped mode. The utility model has the advantages of attractive appearance, high splicing strength, convenience in processing the notch of the plate, long service life, convenience in installation, convenience in maintenance, wide application range, high comprehensive cost performance and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of plate materials, and in particular to a hidden high-strength plate splicing structure. Background Art

[0002] Elastic sheet products are increasingly being used in the market. They are environmentally friendly, slip-resistant, wear-resistant, anti-deformation, and easy to install, making them a type of decorative product with great development prospects. Traditional sheet paving generally adopts a direct docking and splicing structure, which has insufficient plug-in strength and is easy to disengage. It cannot better meet the use requirements when high-strength paving is required. There are also certain deficiencies in splicing stability. After splicing, the splicing seams are prone to deformation or warping, affecting the aesthetics and performance of the product after paving, and have certain limitations in use. In terms of installation, traditional splicing also has low assembly efficiency, which affects the efficiency of sheet installation work and also greatly affects the performance and aesthetics of the sheet. Traditional splicing has problems such as complicated grooving process and difficult quality control when grooving the floor production. Utility Model Content

[0003] In response to the above technical problems, a hidden high-strength plate splicing structure is provided. The technical means adopted by this utility model are as follows:

[0004] A hidden high-strength plate splicing structure includes: a dedicated notch structure and a hidden reinforced splicing piece, the dedicated notch structure includes an upper notch structure and a lower notch structure, the upper notch structure is arranged on one side of a first plate, the lower notch structure is arranged on one side of a second plate, the upper notch structure and the lower notch structure are butted together, and the hidden reinforced splicing piece is inserted between the upper notch structure and the lower notch structure to achieve high-strength splicing between the first plate and the second plate;

[0005] The upper notch structure and the lower notch structure are respectively provided with an upper snap-fit groove and a lower snap-fit groove, and the hidden reinforced splicing piece is provided with a first positioning protrusion structure and a second positioning protrusion structure. The first positioning protrusion structure is snap-connected to the upper snap-fit groove, and the second positioning protrusion structure is snap-connected to the lower snap-fit groove.

[0006] Furthermore, the hidden reinforced splicing piece also includes a connecting rod, the first positioning protrusion structure is connected above one end of the connecting rod, and the second positioning protrusion structure is connected below the other end of the connecting rod.

[0007] Furthermore, the first positioning protrusion structure is flush with one end of the connecting rod, and the second positioning protrusion structure is flush with the other end of the connecting rod, forming an edge protrusion structure;

[0008] Alternatively, the first positioning convex structure is disposed at a position near one end of the connecting rod, and the second positioning convex structure is disposed at a position near the other end of the connecting rod, forming an edge-upward turning structure.

[0009] Further, both the first positioning convex structure and the second positioning convex structure are single-arm structures, and the single-arm structure is a rectangular structure, an arc-shaped hook structure or an irregular structure.

[0010] Further, the lengths of both the first positioning convex structure and the second positioning convex structure are 0.5 - 15 mm.

[0011] Further, the upper clamping groove is an arc-shaped structure, a rectangular structure or an irregular structure;

[0012] The groove depth of the upper clamping groove is 0.5 - 6.0 mm, and the groove width is 0.5 - 15 mm.

[0013] Further, the lower clamping groove is an arc-shaped structure, a rectangular structure or an irregular structure;

[0014] The groove depth of the lower clamping groove is 0.5 - 6.0 mm, and the groove width is 0.5 - 15 mm.

[0015] Further, the width of the upper notch structure is 2 - 50 mm, and the thickness is 1.5 - 25 mm; the width of the lower notch structure is 2 - 50 mm, and the thickness is 1.5 - 25 mm.

[0016] Further, after the upper notch structure and the lower notch structure are spliced, a tight splicing structure, a chamfer structure or a sealant structure is formed between the upper right side surface above the upper notch structure and the upper left side surface above the lower notch structure.

[0017] Further, the material of the hidden enhanced splicing member is metal or plastic.

[0018] Compared with the prior art, the present utility model has the following advantages:

[0019] 1. Beautiful appearance

[0020] The product adopting this kind of hidden high-strength plate splicing structure has a beautiful appearance and strong decoration.

[0021] 2. High splicing strength

[0022] The product adopting this kind of hidden high-strength plate splicing structure uses a special enhanced splicing member for clamping and splicing, effectively improving the splicing strength of the plates.

[0023] 3. Convenient processing of the plate notch

[0024] Products using this type of hidden high-strength plate splicing structure have convenient notch processing and high production efficiency.

[0025] 4. Long service life

[0026] Products using this type of hidden high-strength plate splicing structure have a long overall service life.

[0027] 5. Convenient installation

[0028] This type of concealed high-strength panel splicing structure allows for easy installation and better meets usage needs. It is more suitable for large-plate floor and wall installation.

[0029] 6. Easy maintenance

[0030] Products using this type of hidden high-strength plate splicing structure have smooth joints without grooves after paving, making dust cleaning and maintenance easy.

[0031] 7. Wide range of applications

[0032] The utility model has a scientific and reasonable structure and can be applied to various elastic floor products, providing a wider range of uses.

[0033] 8. High comprehensive cost performance

[0034] Products using this type of hidden panel high-strength splicing structure have high overall cost-effectiveness, are conducive to their popularization or mass adoption, and open up market space for panels.

[0035] Based on the above reasons, the present invention can be widely promoted in fields such as construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0037] Figure 1 This is a structural diagram of a hidden high-strength plate splicing structure of the utility model.

[0038] Figure 2 This is a schematic diagram of the upper notch structure with an arc-shaped upper clamping groove of the utility model.

[0039] Figure 3 It is a schematic diagram of the upper notch structure with a rectangular upper clamping groove of the utility model.

[0040] Figure 4Schematic diagram of the upper notch structure with an irregular upper clamping groove of the present utility model.

[0041] Figure 5 Schematic diagram of the lower notch structure with an arc-shaped lower clamping groove of the present utility model.

[0042] Figure 6 Schematic diagram of the lower notch structure with a rectangular lower clamping groove of the present utility model.

[0043] Figure 7 Schematic diagram of the lower notch structure with an irregular lower clamping groove of the present utility model.

[0044] Figure 8 First schematic diagram of the hidden enhanced splicing part with a single-arm rectangular positioning protrusion structure of the present utility model.

[0045] Figure 9 Second schematic diagram of the hidden enhanced splicing part with a single-arm rectangular positioning protrusion structure of the present utility model.

[0046] Figure 10 First schematic diagram of the hidden enhanced splicing part with a single-arm hooked positioning protrusion structure of the present utility model.

[0047] Figure 11 Second schematic diagram of the hidden enhanced splicing part with a single-arm hooked positioning protrusion structure of the present utility model.

[0048] Figure 12 First schematic diagram of the hidden enhanced splicing part with a single-arm irregular structure positioning protrusion structure of the present utility model.

[0049] Figure 13 Second schematic diagram of the hidden enhanced splicing part with a single-arm irregular structure positioning protrusion structure of the present utility model.

[0050] Figure 14 Schematic diagram of the splicing part with a tight splicing structure of the present utility model.

[0051] Figure 15 Schematic diagram of the splicing part with a chamfered splicing structure of the present utility model.

[0052] Figure 16 Schematic diagram of the splicing part with a sealant structure of the present utility model.

[0053] In the figure: 1. Special slot structure; 11. Upper clamping groove; 12. Lower clamping groove; 13. Close-fitting structure; 14. Chamfer structure; 15. Caulking agent structure; 2. Hidden enhanced splicing piece; 21. First positioning convex structure; 22. Connecting rod; 23. Second positioning convex structure; 3. First board; 4. Second board; 5. Color film layer; 6. Substrate layer. Detailed implementation manners

[0054] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in 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. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0055] The present utility model provides a hidden high-strength board splicing structure, belonging to a building floor material.

[0056] The hidden high-strength board splicing structure of the present utility model mainly includes a board substrate layer 6, a color film layer 5, a wear-resistant layer, a paving base layer, etc. It also includes a special slot structure 1 for convenient high-strength splicing of boards and a hidden enhanced splicing piece 2. The special slot structure 1 for convenient high-strength splicing of boards includes an upper slot structure provided on one side of the first board 3 and a lower slot structure provided on one side of the second board 4. An upper clamping groove 11 and a lower clamping groove 12 for cooperating with the hidden enhanced splicing piece 2 are respectively provided on the upper slot structure and the lower slot structure. The hidden enhanced splicing piece 2 is provided with an enhanced fixing and positioning structure (positioning convex structure). The hidden enhanced splicing piece 2 is provided with a first positioning convex structure 21 and a second positioning convex structure 23. The first positioning convex structure 21 is clamped and connected with the upper clamping groove 11, and the second positioning convex structure 23 is clamped and connected with the lower clamping groove 12. The boards are inserted into the hidden enhanced splicing piece 2 when the upper slot structure and the lower slot structure cooperate to complete high-strength splicing, realizing high-strength paving of the boards. This embodiment takes the splicing between two boards (the first board 3 and the second board 4) as an example. During actual splicing, the structure of the present utility model is applied between adjacent boards to be paved.

[0057] As a preferred embodiment, the upper slot structure and the lower slot structure of the plate are provided with clamping grooves (upper clamping groove 11, lower clamping groove 12), the groove depth dimension ranges from 0.5 to 6.0 mm, and the groove width dimension ranges from 0.5 to 15 mm. Among them, the groove depth dimension d of the upper clamping groove 11 ranges from 0.5 to 6.0 mm, and the groove width f dimension ranges from 0.5 to 15 mm. The groove depth dimension d1 of the lower clamping groove 12 ranges from 0.5 to 6.0 mm, and the groove width f1 dimension ranges from 0.5 to 15 mm.

[0058] As a preferred embodiment, the clamping groove structure is an arc-shaped structure.

[0059] As a preferred embodiment, the clamping groove structure is a near-rectangular structure.

[0060] As a preferred embodiment, the clamping groove structure is an irregular structure.

[0061] As a preferred embodiment, the widths of the upper slot structure and the lower slot structure of the plate are 2 - 50 mm, and the thickness dimensions are 1.5 - 25 mm. Among them, the width e of the upper slot structure is 2 - 50 mm, and the thickness g dimension is 1.5 - 25 mm. The width e1 of the lower slot structure is 2 - 50 mm, and the thickness g1 dimension is 1.5 - 25 mm.

[0062] As a preferred embodiment, the hidden enhanced splicing member is provided with positioning protrusion structures (first positioning protrusion structure 21, second positioning protrusion structure 23), and the protrusion size is 0.5 - 15 mm. Among them, the size a of the first positioning protrusion structure 21 is 0.5 - 15 mm. The size b of the second positioning protrusion structure 23 is 0.5 - 15 mm.

[0063] As a preferred embodiment, the hidden enhanced splicing member 2 further includes a connecting rod 22. The first positioning protrusion structure 21 is connected above one end of the connecting rod 22 (an L-shaped structure can be formed between the first positioning protrusion structure 21 and the connecting rod 22), and the second positioning protrusion structure 23 is connected below the other end of the connecting rod 22 (an L-shaped structure can be formed between the second positioning protrusion structure 23 and the connecting rod 22).

[0064] As a preferred embodiment, the positioning protrusion structure of the hidden enhanced splicing member 2 is an edge upward-turning structure. The first positioning protrusion structure 21 is arranged at a position close to the end of one end of the connecting rod 22, and the second positioning protrusion structure 23 is arranged at a position close to the end of the other end of the connecting rod 22, forming an edge upward-turning structure.

[0065] As a preferred embodiment, the hidden reinforcement splicing member 2 has a positioning convex structure which is a side convex structure. The first positioning convex structure 21 is flush with one end of the connecting rod 22, and the second positioning convex structure 23 is flush with the other end of the connecting rod 22, forming a side convex structure.

[0066] As a preferred embodiment, both the first positioning convex structure 21 and the second positioning convex structure 23 are single-arm structures.

[0067] As a preferred embodiment, the hidden reinforcement splicing member 2 has a positioning convex structure which is a rectangular structure.

[0068] As a preferred embodiment, the hidden reinforcement splicing member 2 has a positioning convex structure which is an arc-shaped hook structure.

[0069] As a preferred embodiment, the hidden reinforcement splicing member 2 has a positioning convex structure which is an irregular structure.

[0070] As a preferred embodiment, the hidden reinforcement splicing member 2 has one or more positioning convex structures.

[0071] As a preferred embodiment, the hidden reinforcement splicing member 2 is without adhesive or has an adhesive structure.

[0072] As a preferred embodiment, the hidden reinforcement splicing member 2 is in a length equal to the splicing seam of the board or in the form of a single piece.

[0073] As a preferred embodiment, the material of the hidden reinforcement splicing member 2 is metal or plastic.

[0074] As a preferred embodiment, after the upper slot structure and the lower slot structure of the board are spliced, the surface structure is a close-fitting structure 13. Among them, the upper right side of the upper slot structure and the upper left side of the lower slot structure are both flat surfaces, and a close-fitting structure 13 is formed after contact.

[0075] As a preferred embodiment, after the upper slot structure and the lower slot structure of the board are spliced, the surface structure is a chamfered structure 14. Among them, the tops of the upper right side of the upper slot structure and the upper left side of the lower slot structure both have chamfers, and a chamfered structure 14 is formed after contact.

[0076] As a preferred embodiment, after the upper slot structure and the lower slot structure of the board are spliced, the surface structure is a sealant structure 15. Among them, sealant is filled between the upper right side of the upper slot structure and the upper left side of the lower slot structure, forming a sealant structure 15.

[0077] Example 1

[0078] A concealed high-strength board splicing structure mainly includes a board substrate layer, a color film layer, a wear-resistant layer, a paving base layer, etc. It also includes a special notch for convenient and high-strength splicing of boards and a concealed enhanced splicing part. The special notch structure for convenient and high-strength splicing of boards includes an upper notch structure and a lower notch structure. The upper notch structure and the lower notch structure are provided with clamping grooves for mating connection with the concealed enhanced splicing part. The enhanced splicing part is provided with an enhanced fixing and positioning structure. The boards are inserted into the enhanced splicing part through the cooperation of the upper notch structure and the lower notch structure to complete high-strength splicing, realizing high-strength paving of the boards. The upper notch structure and the lower notch structure of the boards are provided with clamping grooves for mating connection with the concealed enhanced splicing part, and the groove depth dimensions are all 2.0 mm, and the groove width dimensions are all 3.5 mm. The clamping groove structures for mating connection with the concealed enhanced splicing part are all arc-shaped structures. The widths of the upper notch structure and the lower notch structure of the boards are both 10 mm, and the thickness dimensions are both 3 mm. The concealed enhanced splicing part is provided with a positioning convex structure, the structure is a single-arm rectangle, the convex size is 2.0 mm, the structure is an edge-upward structure, the number is 2, and it is provided with an adhesive structure, is made of metal, and is in the same length as the board splicing seam. After the upper notch structure and the lower notch structure of the boards are spliced, the surface structure is a close-fitting structure.

[0079] Example 2

[0080] Different from Example 1, in this example, the groove depth dimension ranges of the clamping grooves are 0.5 mm, 3.2 mm or 6.0 mm, and the groove width dimension ranges are 0.5 mm, 7.7 mm or 15 mm. The clamping groove structures are all near-rectangular structures or irregular structures.

[0081] The widths of the upper notch structure and the lower notch structure are 2 mm, 26 mm or 50 mm, and the thickness dimensions are 1.5 mm, 13.2 mm or 25 mm.

[0082] The concealed enhanced splicing part is provided with a positioning convex structure, the structure is an arc-shaped hook structure or an irregular structure, the convex size is 0.5 mm, 7.8 mm or 15 mm, the structure is an edge convex structure, without an adhesive structure, is made of plastic, and is in the form of a single piece for the board splicing seam. After the upper notch structure and the lower notch structure of the boards are spliced, the surface structure is a chamfer structure or a sealant structure.

[0083] Example 3

[0084] A concealed high-strength board splicing structure mainly includes a board base material layer, a color film layer, a wear-resistant layer, a paving base layer, etc. It also includes a special slot for convenient and high-strength splicing of boards and a concealed enhanced splicing part. The special slot structure for convenient and high-strength splicing of boards includes an upper slot structure and a lower slot structure. The upper slot structure and the lower slot structure are provided with clamping slots for cooperating and connecting with the concealed enhanced splicing part. The enhanced splicing part is provided with an enhanced fixed positioning structure. When the upper slot structure and the lower slot structure of the board cooperate, the board is inserted into the enhanced splicing part to complete high-strength splicing, realizing high-strength paving of the board. The upper slot structure and the lower slot structure of the board are provided with clamping slots for cooperating and connecting with the concealed enhanced splicing part. The slot depth dimension is 3.0 mm, and the slot width dimension is 5.5 mm. The clamping slot structure for cooperating and connecting with the concealed enhanced splicing part is a rectangular structure. The width of the upper slot structure and the lower slot structure of the board is 15 mm, and the thickness dimension is 4 mm. The concealed enhanced splicing part is provided with a positioning convex structure, which is rectangular, the convex dimension is 2.5 mm, the structure is an edge-upward structure, the number is 2, and it is provided with an adhesive structure, is made of plastic, and is in the form of a single piece. After the upper slot structure and the lower slot structure of the board are spliced, the surface structure is a close-fitting structure.

[0085] Example 4

[0086] A concealed high-strength board splicing structure mainly includes a board base material layer, a color film layer, a wear-resistant layer, a paving base layer, etc. It also includes a special slot for convenient and high-strength splicing of boards and a concealed enhanced splicing part. The special slot structure for convenient and high-strength splicing of boards includes an upper slot structure and a lower slot structure. The upper slot structure and the lower slot structure are provided with clamping slots for cooperating and connecting with the concealed enhanced splicing part. The enhanced splicing part is provided with an enhanced fixed positioning structure. When the upper slot structure and the lower slot structure of the board cooperate, the board is inserted into the enhanced splicing part to complete high-strength splicing, realizing high-strength paving of the board. The upper slot structure and the lower slot structure of the board are provided with clamping slots for cooperating and connecting with the concealed enhanced splicing part. The slot depth dimension is 2.5 mm, and the slot width dimension is 2.5 mm. The clamping slot structure for cooperating and connecting with the concealed enhanced splicing part is an arc-shaped structure. The width of the upper slot structure and the lower slot structure of the board is 12 mm, and the thickness dimension is 4 mm. The concealed enhanced splicing part is provided with a positioning convex structure, which is rectangular, the convex dimension is 2.2 mm, the structure is an edge convex structure, the number is 2, and it is not provided with an adhesive structure, is made of plastic, and is in the form of a single piece. After the upper slot structure and the lower slot structure of the board are spliced, the surface structure is a chamfered structure.

[0087] Example 5

[0088] A concealed high-strength sheet splicing structure mainly includes a sheet substrate layer, a color film layer, a wear-resistant layer, a paving base layer, etc. It also includes a special notch for convenient and high-strength splicing of sheets and a concealed enhanced splicing part. The special notch structure for convenient and high-strength splicing of sheets includes an upper notch structure and a lower notch structure. The upper notch structure and the lower notch structure are provided with clamping grooves for cooperating and connecting with the concealed enhanced splicing part. The enhanced splicing part is provided with an enhanced fixing and positioning structure. When the upper notch structure and the lower notch structure of the sheet cooperate, the enhanced splicing part is inserted to complete high-strength splicing, realizing high-strength paving of the sheet. The upper notch structure and the lower notch structure of the sheet are provided with clamping grooves for cooperating and connecting with the concealed enhanced splicing part. The groove depth dimension is 3.0 mm, and the groove width dimension is 4.5 mm. The clamping groove structure for cooperating and connecting with the concealed enhanced splicing part is an irregular structure. The width of the upper notch structure and the lower notch structure of the sheet is 15 mm, and the thickness dimension is 6 mm. The concealed enhanced splicing part is provided with a positioning convex structure, which is irregular in shape, the convex dimension is 2.5 mm, the structure is an upward-turning structure at the edge, the number is 3, and it is provided with an adhesive structure, is made of metal, and is in the form of a single piece. After the upper notch structure and the lower notch structure of the sheet are spliced, the surface structure is a sealant structure.

[0089] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A concealed high-strength sheet splicing structure, characterized in that, Comprising: A special notch structure (1) and a hidden enhanced splicing member (2), the special notch structure (1) includes an upper notch structure and a lower notch structure, the upper notch structure is arranged on one side of the first plate (3), the lower notch structure is arranged on one side of the second plate (4), the upper notch structure is docked with the lower notch structure, and the hidden enhanced splicing member (2) is inserted between the upper notch structure and the lower notch structure to achieve high-strength splicing between the first plate (3) and the second plate (4); The upper notch structure and the lower notch structure are respectively provided with an upper clamping groove (11) and a lower clamping groove (12), the hidden enhanced splicing member (2) is provided with a first positioning convex structure (21) and a second positioning convex structure (23), the first positioning convex structure (21) is clamped and connected with the upper clamping groove (11), and the second positioning convex structure (23) is clamped and connected with the lower clamping groove (12).

2. The concealed high-strength sheet splicing structure according to claim 1, characterized in that The hidden enhanced splicing member (2) further includes a connecting rod (22), the first positioning convex structure (21) is connected above one end of the connecting rod (22), and the second positioning convex structure (23) is connected below the other end of the connecting rod (22).

3. The hidden high-strength sheet splicing structure according to claim 2, characterized in that, The first positioning convex structure (21) is flush with one end of the connecting rod (22), and the second positioning convex structure (23) is flush with the other end of the connecting rod (22) to form an edge convex structure; Or, the first positioning convex structure (21) is arranged at a position close to one end of the connecting rod (22), and the second positioning convex structure (23) is arranged at a position close to the other end of the connecting rod (22) to form an edge up-turning structure.

4. The concealed high-strength sheet splicing structure according to claim 2, wherein Both the first positioning convex structure (21) and the second positioning convex structure (23) are single-arm structures, and the single-arm structure is a rectangular structure, a circular arc hook structure or an irregular structure.

5. The concealed high-strength sheet splicing structure according to claim 2, characterized in that, The lengths of both the first positioning convex structure (21) and the second positioning convex structure (23) are 0.5 - 15 mm.

6. The concealed high-strength sheet splicing structure according to claim 1, wherein The upper clamping groove (11) is a circular arc structure, a rectangular structure or an irregular structure; The groove depth of the upper clamping groove (11) is 0.5 - 6.0 mm, and the groove width is 0.5 - 15 mm.

7. The hidden high-strength sheet splicing structure according to claim 1, characterized in that, The lower clamping groove (12) is a circular arc structure, a rectangular structure or an irregular structure; The groove depth of the lower clamping groove (12) is 0.5 - 6.0 mm, and the groove width is 0.5 - 15 mm.

8. The concealed high-strength sheet splicing structure according to claim 1, characterized in that, The width of the upper notch structure is 2 - 50 mm, and the thickness is 1.5 - 25 mm; the width of the lower notch structure is 2 - 50 mm, and the thickness is 1.5 - 25 mm.

9. The concealed high-strength sheet splicing structure according to claim 1, characterized in that, After the upper notch structure and the lower notch structure are spliced, a tight-fitting structure (13), a chamfer structure (14) or a caulking agent structure (15) is formed between the upper right side surface of the upper notch structure and the upper left side surface of the lower notch structure.

10. The concealed high-strength sheet splicing structure according to claim 1, wherein, The material of the hidden enhanced splicing member (2) is metal or plastic.

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