CN210153939U - Decorative plate structure for steel plate radiator - Google Patents

Abstract

The utility model provides a decorative board structure for on steel sheet radiator, it includes couple, couple and decorative board down, the upper end of decorative board inwards and the downward bending extend the hem, and the lower extreme inwards and the upward bending extend hem down, it is corresponding with the upper and lower hem of decorative board respectively with couple down to go up the couple, the steel sheet radiator sets up the couple including the outer water road board of constituteing steel sheet radiator preceding curb plate on the outer water road board, and the last hem of decorative board is hung on rather than corresponding last couple, and the lower hem of decorative board hangs rather than corresponding lower couple, and the other end card of couple is in down the back of outer water road board. The decorative plate can be applied to all steel plate radiators, can be used for updating old radiators, and can also make changes in color and shape on the existing steel plate radiators so as to meet more and more personalized requirements of people.

Description

Decorative plate structure for steel plate radiator

Technical Field

The utility model relates to a supplementary decorative device technical field of heating equipment especially relates to a decorative board structure for on steel sheet radiator.

Background

The production process of the steel plate radiator adopts a mode of adding fins on a water channel body, the style is too single, and the color is white at all times. In the heating mode of the wall-mounted furnace and the radiator in the south, the steel plate radiator has 90% of market share in the heating system of the wall-mounted furnace due to the excellent radiating effect of the steel plate radiator. The automatic spraying production process of the existing steel plate radiator has great limitation on the production quantity of each batch of each color, and the steel plate radiator cannot be produced below a certain quantity. The demands of the market for various colors are inconsistent, so that stock cannot be prepared according to the market demands, if the types of the stock colors are more, a large amount of stock is bound to be generated, and finally, a lot of lost stock is generated, so that the waste of funds and resources is caused. Therefore, the existing users who install the steel plate radiator only have one color in the home, namely white, and a plurality of children rooms and living rooms strongly have the requirements for different colors. But the existing production process can not meet the requirements. After several years in a home where a radiator has been finished, the surface color becomes yellow and old, which greatly affects the beauty in the room, and many homes have to be re-purchased after a while because of appearance problems, resulting in a serious waste of resources and money. The invention of the decorative plate is used for solving the problems and meeting the pursuit of vast customers on beauty and individuation.

The utility model discloses a radiator with decorative board, it includes the radiator, is equipped with the radiator wing on the radiator, and the decorative board passes through the radiator wing setting on the radiator. The two sides of the decorative plate are provided with clamping grooves corresponding to the radiator wings on the radiator, and the decorative plate is arranged on the radiator through the mutual positioning of the clamping grooves and the radiator wings. The utility model discloses a connect radiator and decorative board through the radiator wing, the decorative board is dismantled and is assembled easily, but the radiator wing is not convenient for dismantle and the equipment, and the radiator wing centers on around the radiator, may cause the burden to the normal function of radiator.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a decorative board structure for on the steel sheet radiator makes things convenient for the dismantlement and the change of decorative board.

A decorative plate structure for steel plate radiator comprises an upper hook, a lower hook and a decorative plate, wherein the upper end of the decorative plate is inwards bent downwards to extend an upper folded edge, the lower end of the decorative plate is inwards bent upwards to extend a lower folded edge, the decorative plate is hung on the steel plate radiator through the upper hook and the lower hook, the steel plate radiator comprises a front side plate of the steel plate radiator formed by an outer water channel plate and an outer water channel plate, the outer water channel plate comprises a peripheral flat plate part and a protruding part which is positioned in the middle and protrudes out of the flat plate part, a plurality of longitudinally parallel grooves are pressed on the surface of the protruding part, the upper hook is S-shaped, one end of the upper hook is hung on the upper edge of the flat plate part, the horizontal distance between the other end of the upper hook and the surface of the flat plate part is smaller than the thickness of the protruding part protruding out of the flat plate part, the upper folded edge of the decorative plate is hung on the upper hook, the other end of the lower hook is clamped on the back of the outer water channel plate.

The steel plate radiator belongs to radiation convection radiator, and is made up by using radiation heat transfer and natural convection principle and mainly including water-passing portion and convection sheet. The water passing part is formed by welding two pressed steel plates, and hot air flows through the water channel plate to become a main heat radiation source. The convection sheets are directly welded on the back of the water channel plate to form rapid thermal expansion and rise of air in a plurality of convection cavities in the vertical direction, cold air below the convection cavities is immediately supplemented, strong convection airflow rushes out from the convection cavities through the discharge holes of the top grid, and the cold air can be heated in a short time to be rapidly heated in space. In order to achieve ideal radiation, the inner and outer water channel plates are thick in the middle and thin in the edge, namely, the inner and outer water channel plates comprise flat plate parts on the edge and a raised part in the middle, and the raised part in the middle is a folded convection sheet with a large surface area welded on the raised part. The utility model provides a decorative board is provided with upper and lower hem, because the thick edge is thin in the middle of the preceding curb plate that needs to decorate also being outer water channel board, then require the hem to the degree of depth of decorative board face be greater than the thickness of outer water channel board bellying, just so can let the decorative board utilize the hem hang on outer water channel board and keep the state parallel with the face of outer water channel board, so restricted the application scope of decorative board greatly for the decorative board can not use widely at various steel sheet radiators. Therefore, the utility model discloses newly increased and set up couple and couple down, utilized couple and couple down and be connected outer waterway board and decorative board. One end of the upper hook is hung on the upper edge of the outer water channel plate, and the other end of the upper hook is hung on the upper folded edge of the decorative plate, so that the decorative plate is hung on the outer water channel plate. In order to fix the outer water channel plate and the lower end of the decorative plate, one end of the lower hook is hung on the lower folded edge of the decorative plate, and the other end of the lower hook is tightly clamped on the back of the outer water channel plate. The decorative plate is combined with the outer waterway plate through the upper and lower hooks. When the decorative plate needs to be disassembled or replaced, the decorative plate and the upper and lower hooks are easy to disassemble. Under the action of the upper hook and the lower hook, the decorative plate can also be widely used in various steel plate radiators. Since the water channel plate is the main heat radiation source, if there is a gap between the outer water channel plate and the decorative plate, the air in the gap will also be heated, which is meaningless, further affecting the effect of radiation heat transfer of the radiator. To realize that no clearance exists between the outer water channel plate and the decorative plate, one side of the upper hook for hanging the decorative plate can not protrude out of the plane where the convex part is located, so that the horizontal distance between the end of the upper hook farthest away from the flat plate part and the surface of the flat plate part is less than the thickness of the convex part protruding out of the flat plate part, and the decorative plate is tightly attached to the outer water channel plate.

Furthermore, the steel plate radiator comprises an outer water channel plate and an inner water channel plate which are welded relatively, the upper surface of the decorative plate is higher than that of the outer water channel plate, a top grid is mounted at the upper end of the inner water channel plate and the upper end of the outer water channel plate, and the outer side of the top grid is in contact with the decorative plate. The decorative plate, the outer water channel plate and the inner water channel plate form a containing groove for containing the top grating, and the part of the decorative plate higher than the outer water channel plate plays a role in limiting the position of the top grating.

Further, the size of the decorative plate is the same as that of the outer water channel plate. Steel plate radiators have several basic sizes and models, and national industry standards also record these data. Therefore, the decorative plate is manufactured into a size which is completely matched with the outer water channel plate of the steel plate radiator, and the decorative plate is beneficial to batch production and use.

Furthermore, the decorative board is provided with the hem all around, leaves the gap between the edge of going up hem, lower hem and the decorative board, and the left side of decorative board inwards buckles to the right and extends left hem, and the right side of decorative board inwards buckles to the left and extends right hem, and the edge of left hem, right hem closely laminates seamless with the decorative board. The decorative plate is of a structure, the gap between the edge of the upper hem and the edge of the lower hem and the decorative plate is used for achieving the effect that the upper hem and the lower hem are hung on the hook, and the left hem and the right hem of the decorative plate do not need to be hung on the hook, so that the edge of the left hem and the right hem are attached to the decorative plate, and no gap exists.

Further, the lower hook includes a hook body and a pliable flap integrally formed with the hook body. The hook body is used for being hung on the lower folded edge of the decorative plate, and the easily-folded plate is bent to be clamped on the back of the outer water channel plate.

Furthermore, the flexible folded plate of the lower hook is provided with a strip-shaped through hole along the length direction of the flexible folded plate. The hook body is used for being hung on the lower folded edge of the decorative plate, and the easily-bendable folded plate is provided with a strip-shaped through hole along the length direction of the easily-bendable folded plate. In the process of bending, the part of the strip-shaped through hole is also bent, and the strength of the plate easy to bend can be reduced within a certain range by the arrangement of the through hole, so that the bending is facilitated.

Further, the lower hook is made of aluminum alloy materials. The aluminum alloy material is softer, and easy the buckling can tightly block in the back of outer water channel board.

Furthermore, the number of the upper hooks is two, and the number of the lower hooks is two. Considering the actual length and width of the steel plate radiator, an upper hook is respectively arranged on two sides of the outer water channel plate, and a lower hook is respectively clamped on two sides of the back surface, which is the best scheme.

Furthermore, a plurality of magnet stones are arranged in the groove of the bulge. The grooves of the protruding parts are used for placing the magnet, so that the close fit between the decorative plate and the outer water channel plate is not influenced, and the attraction of the magnet is also beneficial to the fit between the decorative plate and the outer water channel plate.

Furthermore, the decorative plate sequentially comprises a low-carbon steel layer, an acid-washing phosphating layer and a plastic spraying layer from inside to outside. The radiator decorative plate adopts low-carbon steel as a raw material; meanwhile, the base layer treatment is carried out by acid washing, phosphorization and electrophoresis, and then the surface plastic spraying and baking process is carried out. The molding powder can be selected according to requirements. And the color plate is made into a flat plate or a stripe shape according to the requirements of customers and markets, and comprises different colors.

Compared with the prior art, the beneficial effects of the utility model are that through magnet, couple and the last couple of certain size requirement down, closely laminate decorative board and outer waterway board, the setting of decorative board does not influence the original thermal radiation heat transfer effect of steel sheet radiator. When the decorative plate needs to be disassembled or replaced, the decorative plate and the upper and lower hooks are easy to disassemble. Due to the connection function of the upper hook and the lower hook, the decorative plate can be widely used on various steel plate radiators. The radiator decorative plate can be applied to all steel plate radiators, can be used for updating old radiators, and can also make changes in color and shape on the existing steel plate radiators so as to meet more and more personalized requirements of people. The method solves the problems of the color and individuation requirements of the steel radiator in the existing large-scale production process, including the problem of radiator renovation.

Drawings

Fig. 1 is a schematic structural view of the steel heat sink of the present invention.

Fig. 2 is a schematic view of the steel radiator before the decorative plate structure is installed.

Fig. 3 is a schematic view of the upper and lower hooks of the decorative plate of the present invention.

Fig. 4 is a schematic view of the left and right hooks of the decorative board of the present invention.

Fig. 5 is a comparison diagram of the sizes of the front side plate of the decorative plate and the steel radiator of the present invention.

Fig. 6 is a side view of the steel heat sink of the present invention after the decorative plate is installed.

Fig. 7 is a schematic structural view of the lower hook of the present invention.

The water channel plate comprises a radiator 1, an outer water channel plate 11, an inner water channel plate 12, a pipeline connecting piece 13, a convection sheet 14, a top grid 15, a side cover plate 16, a convex part 17, a flat plate part 18 and a groove 19; an upper hook 2; lower hook 3, through hole 31; a magnet 4; decorative panel 5, upper folded edge 51, lower folded edge 52, left folded edge 53, right folded edge 54.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, and it is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be considered as limiting.

As shown in fig. 1, the steel plate radiator includes an outer water channel plate 11 and an inner water channel plate 12 which are welded to each other, the outer water channel plate 11 and the inner water channel plate 12 are connected to an external water supply system through a pipe connection member 13, the outer water channel plate 11 forms a front side plate of the steel plate radiator, the inner water channel plate 12 forms a rear side plate of the steel plate radiator, a plurality of convection fins 14 are welded to inner sides of the outer water channel plate 11 and the inner water channel plate 12, a top grid 15 is installed at ends of the outer water channel plate 11 and the inner water channel plate 12, side cover plates 16 are installed at left and right sides of the outer water channel plate 11 and the inner water channel plate 12, a protruding portion 17 is welded to a middle of outer surfaces of the outer water channel plate 11 and the inner water channel plate 12, the protruding portion 17 is actually a folded convection fin, and the outer.

A steel plate type radiator belongs to a radiation convection type radiator, and adopts the principles of radiation heat transfer and natural convection, in the heat exchange process, 30 percent of heat is transferred to air by radiation, and 70 percent of heat is transferred to a space by hot air convection. It features high heat transfer efficiency and higher heat power in similar products. The steel plate radiator mainly comprises a water passing part and a convection sheet. The water passing part is formed by welding two steel plates which are formed by pressing, and the outer surface of the water passing part is welded with a folded convection sheet with a larger surface area. The hot gas flows through the water channel plate to become a main heat radiation source, and the outer surface of the water channel plate is flat and smooth, thereby playing an ideal radiation role. The convection sheets 14 are directly welded on the back of the water channel plate to form a plurality of convection cavities in the vertical direction, the air in the convection cavities rapidly expands and rises, the cold air below the convection cavities is immediately supplemented, strong convection air flows are flushed out from the convection cavities through the row holes of the top grid 15, and the cold air can be heated in a short time to be rapidly heated in the space. In terms of material, the steel plate type radiator takes steel as a raw material, a high-quality low-carbon cold-rolled strip steel plate is selected, the carbon content is less than or equal to 0.25%, and the material completely meets European standards such as EN10130 and EN 10131. The material has high plasticity and toughness, especially good cold deformation plasticity, smooth surface, fine and uniform pipe wall structure and high pressure resistance. The welding performance is excellent, and the corrosion resistance is excellent by using a non-carbonate nano treatment technology.

The outer water channel plate 11 and the inner water channel plate 12, namely the front and rear side plates, are thick at the middle and thin at the edges, and comprise flat plate parts 18 at the edges and convex parts 17 at the middle, and the middle convex part is formed by welding folded convection sheets with larger surface area. The surface of the convex part 17 is pressed with a plurality of grooves 19 which are parallel in the longitudinal direction. The utility model provides a decorative board 5 is provided with hem 51, hem 52 down, thick edge is thin in the middle of the outer water channel board 11 that needs to decorate, then require the hem to be greater than the thickness of outer water channel board bellying to the degree of depth of decorative board face, just so can let decorative board 5 utilize hem 51 hang on outer water channel board 11 and keep the state parallel with the face of outer water channel board 11, so restricted decorative board 5's application scope greatly, make decorative board 5 can not use at various steel sheet radiators extensively. Therefore, the utility model discloses newly-increased and set up couple 2 and couple 3 down, utilize couple 2 and couple 3 down to be connected outer waterway board 11 and decorative board 5.

As shown in fig. 2, a decorative plate structure for a steel plate radiator 1 includes an upper hook 2, a lower hook 3, and a magnet 4. A side view of the trim panel 5 is also included as shown in figure 3. The steel plate radiator 1 includes an outer water passage plate 11 constituting a steel plate radiating case. The upper end of the decorative plate 5 is bent inwards and downwards to extend out of an upper folding edge 51, and the lower end is bent inwards and upwards to extend out of a lower folding edge 52. Gaps are reserved between the edges of the upper folded edge 51 and the lower folded edge 52 and the decorative plate 5, and the gaps between the edges of the upper folded edge and the lower folded edge and the decorative plate 5 are used for achieving the effect that the upper folded edge and the lower folded edge are hung on the hook. As shown in fig. 4, the decorative panel 5 may be a structure folded around. The left side of the decorative plate 5 is bent inwards and rightwards to extend out of a left folded edge 53, the right side of the decorative plate 5 is bent inwards and leftwards to extend out of a right folded edge 54, and the edges of the left folded edge 53 and the right folded edge 54 are tightly attached to the decorative plate 5 without gaps. The structure of the decorative plate is that the left and right folded edges of the decorative plate do not need to be hung on the hook, so the edges of the left folded edge 53 and the right folded edge 54 are tightly attached to the decorative plate 5, and no gap exists. As shown in fig. 5, the decorative plate 5 is sized to completely fit the front side plate 11 of the front surface of the radiator 1. The steel plate radiator 1 has several basic sizes and models, and the national industry standards also record these data. Therefore, the decorative plate 5 is manufactured into a size which is completely matched with the outer water channel plate 11 of the steel plate radiator 1, and the batch production and use of the decorative plate 5 are facilitated.

As shown in fig. 6, the upper hook 2 and the lower hook 3 correspond to an upper folded edge 51 and a lower folded edge 52 of the decorative plate, respectively, and the decorative plate 5 is hung on the steel plate radiator 1 through the upper hook 2 and the lower hook 3. The upper hook is S-shaped, one end of the upper hook 2 is hung on the upper edge of the flat plate part 18, and the horizontal distance between the other end of the upper hook 2 and the surface of the flat plate part 18 is smaller than the thickness of the convex part 17 protruding out of the flat plate part 18. The upper folded edge 51 of the decorative plate 5 is hung on the corresponding upper hook 2, the lower folded edge 52 of the decorative plate is hung on the corresponding lower hook 3, and the other end of the lower hook 3 is clamped on the back of the outer waterway plate 11. One end of the upper hook 2 is hung on the upper edge of the outer water channel plate 11, and the other end is hung on the upper folded edge 51 of the decorative plate, so that the decorative plate 5 is hung on the outer water channel plate 11. In order to fix the lower end of the outer water passage plate 11 and the decorative plate 2, the utility model discloses use the lower couple 52, the lower hem 52 of decorative plate 5 catches the one end of lower couple 3, and the other end of lower couple 3 tightly blocks at the back of front side plate 11. The decorative plate 5 is combined with the outer waterway plate 11 by the upper and lower hooks 2 and 3. When the decorative plate 5 needs to be disassembled or replaced, the decorative plate 5 and the upper and lower hooks are easy to disassemble. The decorative plate 5 can be widely used for various steel plate radiators under the action of the upper hook 2 and the lower hook 3.

Since the water channel plate is the main heat radiation source, if there is a gap between the outer water channel plate 11 and the decorative plate 5, the air in the gap will also be heated, and this heating is meaningless, further affecting the effect of radiation heat transfer of the steel plate heat sink 1. To realize that no gap exists between the outer water channel plate 11 and the decorative plate 5, one side of the upper hook 2 hanging the decorative plate 5 can not protrude out of the plane of the convex part 17, so that the horizontal distance between the end of the upper hook 2 farthest from the flat plate part 18 and the surface of the flat plate part 18 is less than the thickness of the convex part 17 protruding out of the flat plate part 18, and the decorative plate 5 is tightly attached to the outer water channel plate 11.

The steel plate radiator includes outer water course board 11 and interior water course board 12 of relative welded, the upper surface of decorative board 5 is higher than the upper surface of outer water course board 11, and top grid 15 is equipped with on the board of interior outer water course, and the outside and the decorative board 5 contact of top grid 15, and the upper surface of top grid 15 and the upper surface of decorative board 5 are on same horizontal plane. The decorative plate 5, the outer waterway plate 11 and the inner waterway plate 12 form a containing groove for containing the top grating, and the part of the decorative plate 5 higher than the outer waterway plate 11 plays a role of limiting the position of the top grating 15.

As shown in fig. 3, a plurality of magnets 4 are disposed in the grooves 19 of the projection 17. The magnet 4 is placed by the groove 19 of the convex part 17, so that the close fit between the decorative plate 5 and the outer water channel plate 11 is not influenced, and the attraction force of the magnet contributes to the fit between the decorative plate and the outer water channel plate.

In one embodiment, as shown in fig. 7, the lower hanger 3 comprises a hook body for hanging on the lower folded edge 52 of the decorative plate 5 and a flexible folded plate connected to the hook body, and the flexible folded plate is provided with an elongated through hole 31 along the length direction thereof. The pliable flap is bent to be caught on the back surface of the outer waterway plate 11. In the bending process, the part of the strip-shaped through hole 31 is also bent, and the strength of the plate easy to bend can be reduced within a certain range due to the arrangement of the through hole 31, so that the bending is facilitated. Preferably, the lower hook 3 is made of aluminum alloy material. The aluminum alloy material is softer, and easy the buckling can block in the back of outer water channel board 11.

In consideration of the actual length and width of the steel plate radiator, two upper hooks 2 and two lower hooks 3 are preferred. The upper hooks 2 are respectively arranged on two sides of the outer waterway plate 11, and the lower hooks 3 are respectively clamped on two sides of the back surface, which is the best scheme.

The decorative plate 5 sequentially comprises a low-carbon steel layer, an acid-washing phosphating layer and a plastic-spraying layer from inside to outside. The radiator decorative plate 5 adopts low-carbon steel as a raw material; meanwhile, the base layer treatment is carried out by acid washing, phosphorization and electrophoresis, and then the surface plastic spraying and baking process is carried out. The molding powder can be selected according to requirements. And the color plate is made into a flat plate or a stripe shape according to the requirements of customers and markets, and comprises different colors.

When installing the trim panel 5, the top grid 15 and side cover 16 are removed in a first step. Secondly, the plate part 18 is provided with the hook 2, and the magnet 4 is placed in the groove 19 of the convex part 17. The upper folded edge 51 of the decorative plate 5 is hung on the upper hook 2. And a third part, a top grid 15 and a side cover plate 16 are installed. Fourthly, the hook body of the lower hook 3 is hung on the folding edge 52, and the easily bendable part is bent to be clamped on the back of the outer water channel plate 11. Thus, the installation is successful.

Compared with the prior art, the beneficial effects of the utility model are that through magnet 4, couple 3 and the last couple 2 of certain size requirement down, closely laminate decorative board 5 and outer waterway board 11, the setting of decorative board 5 does not influence the original thermal radiation heat transfer effect of steel sheet radiator 1. When the decorative plate 5 needs to be detached or replaced, the decorative plate 5, the upper hook 2 and the lower hook 3 are easy to detach. Due to the connection effect of the upper hook 2 and the lower hook 3, the decorative plate 5 can be widely used on various steel plate radiators 1. The radiator decorative plate 5 can be applied to all steel plate radiators 1, can be used for updating old radiators 1, and can also make changes in color and shape on the existing steel plate radiators 1 to meet more and more personalized requirements of people. The problem of the requirement on the color and individuation of the steel radiator 1 in the existing large-scale production process is solved, and the problem of renovation of the radiator 1 is solved.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A decorative board structure used on a steel plate radiator, the outer water way board of the steel plate radiator forms the front side board of the steel plate radiator, the outer water way board comprises a flat plate part around and a bulge part which is positioned in the middle and protrudes out of the flat plate part, the surface of the bulge part is pressed with a plurality of grooves which are longitudinally parallel, the decorative board structure is characterized by comprising an upper hook, a lower hook and a decorative board, the upper end of the decorative board is inwards bent downwards and extends out of an upper hem, the lower end of the decorative board is inwards bent upwards and extends out of a lower hem, the decorative board is hung on the steel plate radiator through the upper hook and the lower hook, the upper hook is S-shaped, one end of the upper hook is hung on the upper edge of the flat plate part, the horizontal distance between the other end of the upper hook and the surface of the flat plate part is less than the thickness of the bulge part protruding out of the flat plate part, the upper hem of the decorative board, the other end of the lower hook is clamped on the back of the outer water channel plate.

2. The structure of the decorative plate for a steel plate radiator as claimed in claim 1, wherein the steel plate radiator comprises an outer water channel plate and an inner water channel plate which are welded to each other, the upper surface of the decorative plate is higher than the upper surface of the outer water channel plate, a top grid is installed at the upper ends of the inner and outer water channel plates, and the outer side of the top grid is in contact with the decorative plate.

3. A decorative panel structure for use on a steel plate radiator as claimed in claim 1, wherein the size of the decorative panel is the same as the size of the outer raceway plate.

4. The decorative plate structure for steel plate radiators according to claim 1, wherein the decorative plate is provided with folded edges at the periphery, a gap is reserved between the edges of the upper folded edge and the lower folded edge and the decorative plate, the left side of the decorative plate is bent inwards and rightwards to extend out a left folded edge, the right side of the decorative plate is bent inwards and leftwards to extend out a right folded edge, and the edges of the left folded edge and the right folded edge are tightly attached to the decorative plate without a gap.

5. A decorative panel structure for use on a steel panel heat sink as recited in claim 1, wherein said lower hook comprises a hook body and a pliable flap integrally formed with the hook body.

6. The decorative plate structure for steel plate radiator as claimed in claim 5, wherein said flexible flap of said lower hook is provided with a through hole elongated along the length thereof.

7. The decorative plate structure for steel plate heat sink as claimed in claim 6, wherein said lower hook is made of aluminum alloy material.

8. The decorative plate structure for steel plate radiator as claimed in claim 1, wherein the number of the upper hooks is two, and the number of the lower hooks is two.

9. The decorative plate structure for steel plate radiator as claimed in claim 1, wherein a plurality of magnets are disposed in the grooves of the protrusions.

10. The decorative plate structure for steel plate radiator as claimed in claim 1, wherein the decorative plate comprises a low carbon steel layer, a pickling phosphating layer and a plastic spraying layer in sequence from inside to outside.

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