CN210821196U - Easy-to-splice light precoated steel plate - Google Patents

Abstract

The utility model discloses an easy splicing light precoated steel plate, which comprises a carbon structural steel flat-plate-shaped steel plate body, wherein a plurality of perforations are arranged on the steel plate body, the ratio D of the perforated size D to the thickness size H of the steel plate body is 0.5-1.5, and the perforated area on the unit area of the steel plate body accounts for 40% -60%; the two adjacent sides of the steel plate body are provided with lap bottom edges, the two sides opposite to the two sides are provided with lap top edges, the lap bottom edges can be inserted into the lower parts of the lap top edges, magnets are embedded in the lap bottom edges, and the magnets are uniformly distributed along the length direction of the lap bottom edges; the upper side surface and the lower side surface of the steel plate body are sequentially provided with a passivation layer, an adhesive layer, an ABS (acrylonitrile butadiene styrene) seal film layer and a protection film layer from inside to outside. Adopt the utility model discloses an easily concatenation light steel sheet of precoating can not only have lighter quality when guaranteeing various steel sheet performance and rigidity, can also eliminate the joint gap between the adjacent various steel sheet, reduces use cost.

Description

Easy-to-splice light precoated steel plate

Technical Field

The utility model relates to a sheet metal especially relates to a color plate's improvement.

Background

The color steel plate is a section bar which is coated with organic materials on the surface of the steel plate to achieve the effects of corrosion resistance, attractiveness, high strength, convenient use and the like, besides being used as a plate for manufacturing various sheet metal housing parts, the color steel plate is widely applied to roofs and walls of buildings, particularly steel structure buildings, because the color steel plate takes the steel plate as a base material, the steel plate as the base material must have certain thickness in order to achieve certain rigidity, the color steel plate is relatively heavy, the load of a color steel plate supporting structure is large, the cost is increased in order to ensure the bearing capacity of the supporting structure in many use occasions, when the color steel plate is used on the buildings, the color steel plate is usually directly paved and used in a whole large area, the conventional color steel plate is usually rectangular, gaps naturally exist between the edges and the edges of the adjacent color steel plates, and the gaps are required to be covered, corresponding auxiliary materials and labor are needed, the material and labor cost is increased, and a long construction period is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an above-mentioned not enough to prior art exists provides an easy concatenation light steel sheet of precoating, and it can not only have lighter quality when guaranteeing various steel sheet performance and rigidity, can also eliminate the joint gap between the adjacent various steel sheet, reduces use cost.

In order to solve the technical problem, the utility model discloses an easily splice light steel sheet of precoating, including the steel sheet body, the steel sheet body is the carbon element structural steel flat board, is equipped with a plurality of perforation on the steel sheet body, and the ratio D of the trompil size D of this perforation and the thickness dimension H of steel sheet body is H0.5 ~ 1.5, and the perforation area on the unit area of steel sheet body accounts for 40% ~ 60%; the two adjacent sides of the steel plate body are provided with lapping bottom edges, the two sides opposite to the two sides are provided with lapping top edges, the lapping bottom edges can be inserted into the lower parts of the lapping top edges, the sum of the thicknesses of the lapping bottom edges and the lapping top edges is equal to the thickness of the steel plate body, magnets are embedded in the lapping bottom edges, and the magnets are uniformly distributed along the length direction of the lapping bottom edges; the upper side surface and the lower side surface of the steel plate body are sequentially provided with a passivation layer, an adhesive layer, an ABS (acrylonitrile butadiene styrene) seal film layer and a protection film layer from inside to outside.

In the structure, because the steel plate body is a carbon structural steel flat plate, a plurality of through holes are arranged on the steel plate body, the ratio D of the opening size D of the through hole to the thickness size H of the steel plate body is as follows: h is 0.5 to 1.5, the area of the perforation on the unit area of the steel plate body accounts for 40-60 percent, and the steel plate passes through the arranged perforation, compared with the steel plate body with the same thickness and without the perforation, the weight can be reduced by 40 to 60 percent, thereby reducing the load of the color steel plate supporting structure and the use cost, ensuring that the steel plate body can still keep certain rigidity after the perforation is arranged because the opening size D of the perforation is limited to 0.5-1.5 times of the thickness H of the steel plate body, the strength requirement of the color steel plate can be met through the relation between the opening size D and the thickness H of the steel plate body and the adjustment of the proportion of the perforated area on the unit area of the steel plate body.

The overlapped bottom edges are arranged on the two adjacent edges of the steel plate body, the overlapped top edges are arranged on the two opposite edges of the two edges, the overlapped bottom edges can be inserted into the lower parts of the overlapped top edges, the sum of the thicknesses of the overlapped bottom edges and the overlapped top edges is equal to the thickness of the steel plate body, the magnets are embedded in the overlapped bottom edges and are uniformly distributed along the length direction of the overlapped bottom edges, the overlapped top edges arranged on one color steel plate can cover the overlapped bottom edges of the other color steel plate, no connecting gap is formed between the adjacent color steel plates, the sum of the thicknesses of the overlapped bottom edges and the overlapped top edges is equal to the thickness of the steel plate body, the thickness of each color steel plate is still kept consistent after overlapping, the magnets embedded in the overlapped bottom edges generate suction to the overlapping of the steel plate body of the carbon structural steel, the overlapped top edges and the overlapped bottom edges are naturally, the mounting and connecting materials are saved, the mounting labor is saved, the mounting and the dismounting are convenient, the color steel plate can be repeatedly used, and the use cost is further reduced.

The upper side surface and the lower side surface of the steel plate body are sequentially provided with the passivation layer, the adhesive layer, the ABS sealing film layer and the protective film layer from inside to outside, so that the through holes in the steel plate body can be sealed and covered by the steel plate body through the adhesion and covering of the ABS sealing film layers on the upper surface and the lower surface, the overall visual effect is consistent with that of a conventional color steel plate, and the functions are not different, but the overall formed color steel plate has lighter mass while the performance and the rigidity of the color steel plate are ensured, the load of a color steel plate supporting structure is reduced, the cost of the color steel plate supporting structure is saved, and the using effect is better; the arranged passivation layer enables the surface of the steel plate body to be passivated, so that the corrosion resistance can be improved; the protection film layer can provide a layer of antifouling and damage-proof protection for the ABS sealing film layer so as to prolong the service life of the color steel plate.

Therefore, the light pre-coated steel plate easy to splice not only can ensure the performance and rigidity of the color steel plate, but also has lighter quality, can eliminate a connecting gap between adjacent color steel plates, and reduces the use cost.

The utility model discloses a preferred embodiment, the perforation is the round hole, and the trompil size D of this round hole is the diameter of round hole. By adopting the embodiment, the round hole is used as the through hole, the stress concentration possibly generated by the square hole at the corner between the adjacent edges can not be generated at the through hole part in the using process, and the service life is long.

The utility model discloses a another kind of preferred embodiment, it is polygonal hole to perforate, and the trompil size D in this polygonal hole is polygonal circumscribed circle diameter. By adopting the embodiment, the polygonal hole can also achieve the effect of reducing the weight.

In another preferred embodiment of the present invention, the magnet is a disk-shaped permanent magnet. By adopting the embodiment, the disk-shaped permanent magnet can keep magnetism for a long time, reliable lap joint between the color steel plates can be ensured, and the disk-shaped permanent magnet is convenient to manufacture.

In a further preferred embodiment of the present invention, the thickness of the magnet is the same as the thickness of the lap bottom side. By adopting the embodiment, the appearance is ensured, the volume of the magnet is as large as possible, and the magnetic performance is maximized.

The utility model discloses another further preferred embodiment, ABS seals the rete and is the colored rete that ABS engineering plastics made. By adopting the embodiment, the ABS engineering plastic is a tough, hard and rigid material which has the advantages of easily obtained raw materials, good comprehensive performance, low price and wide application, and the colored film prepared by the ABS engineering plastic is stuck on the steel plate body to play a better decorative and protective effect than the conventional spray paint coating.

In a further preferred embodiment of the present invention, the protective film layer is a removable transparent PE protective film layer. By adopting the embodiment, the transparent PE protective film layer can protect the ABS sealing film layer, the attractive effect of the surface of the ABS sealing film layer can not be influenced, and the color steel plate can be directly uncovered to keep good appearance when the ABS sealing film layer is polluted and damaged.

Drawings

The easy-to-splice light precoated steel plate of the present invention is further described in detail with reference to the accompanying drawings and specific examples.

FIG. 1 is a schematic structural view of one embodiment of the easily spliced light precoated steel sheet of the present invention;

FIG. 2 is a schematic surface view of the steel plate body of the structure shown in FIG. 1;

fig. 3 is a cross-sectional view taken along line a-a of fig. 2.

In the figure: 1-steel plate body, 2-perforation, 3-passivation layer, 4-adhesive layer, 5-ABS film sealing layer, 6-protective film layer, 7-lap top edge, 8-lap bottom edge and 9-magnet.

Detailed Description

In the easy splicing light precoated steel plate shown in fig. 1 and fig. 2, a steel plate body 1 is a carbon structural steel rectangular flat plate, a plurality of through holes 2 are arranged on the steel plate body 1, the through holes 2 are regularly arranged on the surface of the steel plate body 1 in rows and columns, the ratio D of the opening size D of the through holes 2 to the thickness size H of the steel plate body 1 is 0.5-1.5, the area ratio of the through holes 2 in unit area of the steel plate body 1 is 40-60%, the through holes 2 are round holes, and the opening size D of the round holes is the diameter of the round holes; the two adjacent sides of the steel plate body 1 are provided with lap bottom edges 8, the two sides opposite to the two sides are provided with lap top edges 7, the lap bottom edges 8 can be inserted into the lower parts of the lap top edges 7, referring to fig. 3, the sum of the thicknesses of the lap bottom edges 8 and the lap top edges 7 is equal to the thickness of the steel plate body 1, magnets 9 are embedded in the lap bottom edges 8, the magnets 9 are uniformly distributed along the length direction of the lap bottom edges 8, the magnets 9 are disk-shaped permanent magnets, and the thickness of the magnets 9 is the same as that of the lap bottom edges 8; each surface of upside and each surface of downside at steel sheet body 1 all are equipped with passivation layer 3, adhesive linkage 4, ABS in proper order from inside to outside seals rete 5, protection rete 6, passivation layer 3 can be steel bonderizing layer commonly used, and ABS seals rete 5 for the colored rete that ABS engineering plastics made, and its thickness generally is 20 microns ~80 microns, and ABS seals the rete and forms surface passivation layer 3's steel sheet body 1 hot-pressing bonding through the adhesive in the bond line 4 with through bonderizing, and protection rete 6 is for covering can taking off transparent PE protection rete on ABS seals rete 5.

The above description has been presented only for the purpose of illustrating certain preferred embodiments of the invention, and it is not to be taken as a limitation on the invention, as many modifications and variations are possible. For example, the through hole 2 may be a polygonal hole instead of a circular hole, and the opening size D of the polygonal hole is the diameter of the circumscribed circle of the polygon; the thickness of the ABS film sealing layer 5 is not 20-80 microns, but less than 20 microns or more than 80 microns; the magnet 9 may be a square plate-shaped permanent magnet instead of a disc-shaped permanent magnet. Therefore, any improvement and changes made on the basis of the basic principle of the present invention should be considered as falling within the protection scope of the present invention.

Claims (7)

1. The utility model provides an easy concatenation light steel sheet of precoating, includes steel sheet body (1), its characterized in that: the steel plate body (1) is a carbon structural steel flat plate, a plurality of through holes (2) are arranged on the steel plate body (1), the ratio D of the opening size D of the through holes (2) to the thickness size H of the steel plate body (1) is 0.5-1.5, and the area of the through holes (2) in the unit area of the steel plate body (1) accounts for 40% -60%; two adjacent sides of the steel plate body (1) are provided with lapping bottom edges (8), two sides opposite to the two sides are provided with lapping top edges (7), the lapping bottom edges (8) can be inserted into the lower parts of the lapping top edges (7), the sum of the thicknesses of the lapping bottom edges (8) and the lapping top edges (7) is equal to the thickness of the steel plate body (1), magnets (9) are embedded in the lapping bottom edges (8), and the magnets (9) are uniformly distributed along the length direction of the lapping bottom edges (8); the upper side surface and the lower side surface of the steel plate body (1) are sequentially provided with a passivation layer (3), an adhesive layer (4), an ABS (acrylonitrile butadiene styrene) seal film layer (5) and a protection film layer (6) from inside to outside.

2. The easy-splice light precoated steel sheet according to claim 1, wherein: the through hole (2) is a round hole, and the opening size D of the round hole is the diameter of the round hole.

3. The easy-splice light precoated steel sheet according to claim 1, wherein: the through hole (2) is a polygonal hole, and the opening size D of the polygonal hole is the diameter of a circumscribed circle of a polygon.

4. The easy-splice light precoated steel sheet according to claim 1, wherein: the magnet (9) is a disk-shaped permanent magnet.

5. The easy-to-splice light pre-coated steel sheet according to claim 1 or 4, wherein: the thickness of the magnet (9) is the same as that of the lapping bottom edge (8).

6. The easy-splice light precoated steel sheet according to claim 1, wherein: the ABS seal film layer (5) is a color film layer made of ABS engineering plastics.

7. The easy-splice light precoated steel sheet according to claim 1, wherein: the protective film layer (6) is a transparent PE protective film layer which can be uncovered.

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