Scratch-proof structure of coated steel plate
Through multi-layer structure design and material selection, the problem of easy scratching on the surface of color-coated steel plates is solved, and coated steel plates that significantly improve scratch and collision resistance are achieved, which enhances corrosion resistance and wear resistance and ensures coating Stability and scratch resistance of the layer.
Patent Information
- Application Number
- CN202420876883.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-25
AI Technical Summary
The surface coating of existing color-coated steel plates is prone to scratches and damage during use, resulting in corrosion of the internal structure and poor anti-scratch effect.
Adopt a multi-layer structural design, including steel plate body, galvanized layer, chemical conversion layer, coating, chute, moving block and protective cover, improve corrosion resistance and wear resistance through zinc-chromium materials and phosphate films, and through Polyamide-modified polyester resin material enhances the hardness and adhesion of the coating, combined with the movable frame, compression spring and rope pull mechanism to form a protective cover to improve scratch and collision resistance.
It significantly improves the scratch and collision resistance of the steel plate, enhances corrosion resistance and wear resistance, ensures the stability and scratch resistance of the coating, and has high heat resistance and high friction reduction.
Smart Images

Figure CN222182444U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of steel plates, in particular to an anti-scratch structure of a coated steel plate. Background Art
[0002] Color coated steel plate is a product made of cold rolled steel plate, electro galvanized steel plate, hot dip galvanized steel plate or aluminum zinc coated steel plate as the substrate. After surface degreasing, phosphating and chromating, it is coated with organic coating and baked. Color coated steel plate is a product that has been widely used in home appliances and indoor and outdoor architectural decoration in recent years.
[0003] The surface coating of the existing color coated steel plate is easily scratched and damaged during use, causing corrosion of the internal structure. Therefore, it is necessary to design and modify the anti-scratch structure of the coated steel plate to effectively prevent the phenomenon of poor anti-scratch effect. Utility Model Content
[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide an anti-scratch structure for a coated steel plate, which has the advantage of good anti-scratch effect and solves the problem that the surface coating of the existing color coated steel plate is easily scratched and damaged during use, causing corrosion of the internal structure.
[0005] The utility model provides the following technical scheme: an anti-scratch structure of a coated steel plate, comprising a steel plate body, a first galvanized layer is fixedly connected to the top of the steel plate body, a first chemical conversion layer is fixedly connected to the top of the first galvanized layer, a first surface coating is fixedly connected to the top of the first chemical conversion layer, a second galvanized layer is fixedly connected to the bottom of the steel plate body, a second chemical conversion layer is fixedly connected to the bottom of the second galvanized layer, a second surface coating is fixedly connected to the bottom of the second chemical conversion layer, the thickness of the first galvanized layer and the second galvanized layer is greater than the thickness of the first chemical conversion layer and the second chemical conversion layer, the thickness of the first chemical conversion layer and the second chemical conversion layer is greater than the thickness of the first surface coating and the second surface coating, a slide groove is provided on the front and back sides of the steel plate body, and a movable block is movably connected to the inside of the slide groove, a protective cover is fixedly connected to the surface of the movable block, the steel plate body, the first galvanized layer, the first chemical conversion layer, the first The top coating, the second galvanized layer, the second chemical conversion layer and the second top coating are all located inside the protective cover, the front and rear sides of the top of the protective cover are provided with movable grooves, and the movable grooves are movably connected to a movable frame inside, the top of the protective cover is provided with a first opening on both sides, the bottom of the inner wall of the protective cover is provided with a card slot on both sides, and the card slots are movably connected to a limit plate inside, the top of the limit plate passes through the first opening, the surface of the limit plate is provided with a second opening, the movable frame is movably connected to the second opening, and a compression spring is fixedly connected between the two movable frames, the number of the compression springs is two, the top of the protective cover is movably connected to a winding wheel, the surface of the movable frame is fixedly connected to a pull rope, the pull rope is movably connected to the winding wheel, the top of the winding wheel is fixedly connected to a turning handle, the surface of the turning handle is provided with anti-slip patterns, the surface of the turning handle is fixedly connected to an anti-slip sleeve, and the anti-slip sleeve is made of silicone material, and the pull rope is woven from multiple sub-steel ropes.
[0006] The beneficial effects of the utility model are as follows:
[0007] 1. The utility model adopts the device to improve the anti-scratch performance of the steel plate body by setting the first galvanized layer, the first chemical conversion layer, the first surface coating, the second galvanized layer, the second chemical conversion layer and the second surface coating. When the steel plate body is transported or not in use, the operator can cover the movable block and the protective cover on the surface of the steel plate body, thereby greatly improving the anti-scratch and anti-collision effects of the steel plate body. The device has the advantage of good anti-scratch effect.
[0008] 2. The utility model has the advantages of corrosion resistance, high heat resistance, high adhesion, high friction reduction, high weather resistance, high chemical resistance stability and no environmental pollution through the first galvanized layer and the second galvanized layer made of zinc-chromium material. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1It is a schematic diagram of the structure of the utility model.
[0010] Figure 2 This is a schematic diagram of the steel plate body structure of the utility model.
[0011] Figure 3 It is a top view schematic diagram of the protective cover structure of the utility model.
[0012] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure in the middle. DETAILED DESCRIPTION
[0013] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0014] like Figures 1 to 4 As shown, the anti-scratch structure of the coated steel plate in this embodiment includes a steel plate body 1, a first galvanized layer 2 is fixedly connected to the top of the steel plate body 1, a first chemical conversion layer 3 is fixedly connected to the top of the first galvanized layer 2, a first surface coating 4 is fixedly connected to the top of the first chemical conversion layer 3, a second galvanized layer 5 is fixedly connected to the bottom of the steel plate body 1, a second chemical conversion layer 6 is fixedly connected to the bottom of the second galvanized layer 5, a second surface coating 7 is fixedly connected to the bottom of the second chemical conversion layer 6, the thickness of the first galvanized layer 2 and the second galvanized layer 5 is greater than the thickness of the first chemical conversion layer 3 and the second chemical conversion layer 6, the thickness of the first chemical conversion layer 3 and the second chemical conversion layer 6 is greater than the thickness of the first surface coating 4 and the second surface coating 7, a slide groove is provided on the front and back of the steel plate body 1, and a movable block 8 is movably connected to the inside of the slide groove, and a protective cover 9 is fixedly connected to the surface of the movable block 8, the steel plate body 1, the first galvanized layer 2, the first chemical conversion layer 3, the first surface coating 4, the second galvanized layer 5, the second chemical conversion layer 6 The conversion layer 6 and the second surface coating 7 are both located inside the protective cover 9. The front and rear sides of the top of the protective cover 9 are both provided with movable grooves, and the movable grooves are internally movably connected to a movable frame 13. The top of the protective cover 9 is provided with a first opening 10. The bottom of the inner wall of the protective cover 9 is provided with a card slot on both sides, and the card slot is internally movably connected to a limit plate 11. The top of the limit plate 11 passes through the first opening 10. The surface of the limit plate 11 is provided with a second opening 12. The movable frame 13 is movably connected to the second opening 12. The protective cover 9 is movably connected, and a compression spring 14 is fixedly connected between the two movable frames 13, the number of the compression springs 14 is two, the top of the protective cover 9 is movably connected to a winding wheel 15, the surface of the movable frame 13 is fixedly connected to a pull rope 16, the pull rope 16 is movably connected to the winding wheel 15, the top of the winding wheel 15 is fixedly connected to a turning handle 17, the surface of the turning handle 17 is provided with anti-skid patterns, the surface of the turning handle 17 is fixedly connected to an anti-skid cover, and the anti-skid cover is made of silicone material, and the pull rope 16 is woven from multiple steel wire ropes.
[0015] refer to Figure 1 , Figure 2 and Figure 4 The first galvanized layer 2 and the second galvanized layer 5 are both made of zinc-chromium material.
[0016] The first galvanized layer 2 and the second galvanized layer 5 made of zinc-chromium material in this embodiment have the advantages of corrosion resistance, high heat resistance, high adhesion, high friction reduction, high weather resistance, high chemical resistance stability and no environmental pollution.
[0017] refer to Figure 1 , Figure 2 and Figure 4 , the first chemical conversion layer 3 and the second chemical conversion layer 6 are both made of phosphate films.
[0018] In this embodiment, the first chemical conversion layer 3 and the second chemical conversion layer 6 made of phosphate film have high wear resistance, corrosion inhibition, and heat resistance, and at the same time enhance the adhesion of the coating.
[0019] refer to Figure 1 , Figure 2 and Figure 4 The first coating layer 4 and the second coating layer 7 are both made of polyamide-modified polyester resin material.
[0020] In this embodiment, the first surface coating 4 and the second surface coating 7 made of polyamide-modified polyester resin material have high hardness and sand surface effect, so that the topcoat coating has good scratch resistance and wear resistance.
[0021] refer to Figure 1 A protective cover 18 is fixedly connected to the top of the protective cover 9, a third opening is opened on the top of the protective cover 9, the top of the winding wheel 15 passes through the third opening, fourth openings are opened on both sides of the protective cover 9, and the movable frame 13 is movably connected to the fourth opening.
[0022] In this embodiment, the protective cover 18 is provided to prevent the operator from being injured due to accidentally touching the winding wheel 15 or the movable frame 13 .
[0023] refer to Figure 3 A bearing is fixedly connected to the interior of the protective cover 9, and the bearing is fixedly connected to the winding wheel 15, and lubricating oil is provided inside the bearing, and a sealing shaft cover is provided inside the bearing, and the number of the sealing shaft covers is two.
[0024] In this embodiment, the friction between the protective cover 9 and the winding wheel 15 can be reduced by setting the bearing, thereby facilitating the rotation of the winding wheel 15.
[0025] The utility model can improve the anti-scratch performance of the steel plate body 1 by arranging the first galvanized layer 2, the first chemical conversion layer 3, the first surface coating 4, the second galvanized layer 5, the second chemical conversion layer 6 and the second surface coating 7. When the steel plate body 1 is transported or not in use, the operator can cover the movable block 8 and the protective cover 9 on the surface of the steel plate body 1, and then the operator rotates the winding wheel 15 to wind up the pull rope 16, so that the two movable frames 13 are close to each other, and then the limiting plate 11 is inserted into the inside of the first opening 10, so that the limiting plate 11 is movably connected with the card slot, and then the operator releases the winding wheel 15, and under the action of the compression spring 14, the two movable frames 13 move away from each other until the movable frame 13 is movably connected with the second opening 12, and under the action of the limiting plate 11, the steel plate body 1 is prevented from separating from the protective cover 9, and under the action of the protective cover 9, the anti-scratch and anti-collision effects of the steel plate body 1 are greatly improved.
Claims
1. A scratch-proof structure for a coated steel plate, comprising a steel plate body (1), characterized in that: The top of the steel plate body (1) is fixedly connected with a first galvanized layer (2), the top of the first galvanized layer (2) is fixedly connected with a first chemical conversion layer (3), the top of the first chemical conversion layer (3) is fixedly connected with a first top coating (4), the bottom of the steel plate body (1) is fixedly connected with a second galvanized layer (5), the bottom of the second galvanized layer (5) is fixedly connected with a second chemical conversion layer (6), the bottom of the second chemical conversion layer (6) is fixedly connected with a second top coating (7), the thickness of the first galvanized layer (2) and the second galvanized layer (5) is greater than the thickness of the first galvanized layer (2). The thickness of the chemical conversion layer (3) and the second chemical conversion layer (6) is greater than the thickness of the first surface coating (4) and the second surface coating (7), the front and back sides of the steel plate body (1) are both provided with a slide groove, and the interior of the slide groove is movably connected to a movable block (8), and the surface of the movable block (8) is fixedly connected to a protective cover (9), the steel plate body (1), the first galvanized layer (2), the first chemical conversion layer (3), the first surface coating (4), the second galvanized layer (5), the second chemical conversion layer (6) and the first The coatings (7) on both sides are located inside the protective cover (9); the front side and the rear side of the top of the protective cover (9) are both provided with movable grooves, and the movable grooves are internally movably connected to a movable frame (13); the top of the protective cover (9) is provided with first openings (10); the bottom of the inner wall of the protective cover (9) is provided with card slots on both sides, and the card slots are internally movably connected to a limit plate (11); the top of the limit plate (11) passes through the first opening (10); the surface of the limit plate (11) is provided with a second opening (12); the movable frame (13) is connected to the second opening (12); ) are movably connected, and a compression spring (14) is fixedly connected between the two movable frames (13), the number of the compression springs (14) is two, the top of the protective cover (9) is movably connected to a winding wheel (15), the surface of the movable frame (13) is fixedly connected to a pull rope (16), the pull rope (16) is movably connected to the winding wheel (15), the top of the winding wheel (15) is fixedly connected to a rotating handle (17), the surface of the rotating handle (17) is provided with anti-skid patterns, the surface of the rotating handle (17) is fixedly connected to an anti-skid sleeve, and the pull rope (16) is woven from a plurality of steel wire ropes.
2. The anti-scratch structure of a coated steel plate according to claim 1, characterized in that: The first galvanized layer (2) and the second galvanized layer (5) are both made of zinc-chromium material.
3. The anti-scratch structure of a coated steel plate according to claim 2, characterized in that: The top of the protective cover (9) is fixedly connected to a protective cover (18), the top of the protective cover (9) is provided with a third opening, the top of the winding wheel (15) passes through the third opening, both sides of the protective cover (9) are provided with fourth openings, and the movable frame (13) is movably connected to the fourth opening.
4. The anti-scratch structure of a coated steel sheet according to claim 1, 2 or 3, characterized in that: A bearing is fixedly connected inside the protective cover (9), and the bearing is fixedly connected to the winding wheel (15), and lubricating oil is provided inside the bearing, and a sealing shaft cover is provided inside the bearing, and the number of the sealing shaft covers is two.
