Power supply box capable of optimizing production process and improving protection strength

Abstract

The utility model discloses a power supply box capable of optimizing production procedures and improving protection strength, which comprises a metal bottom shell internally provided with a power supply mounting position, a plastic inner shell arranged in the metal bottom shell, and a metal upper cover matched with the metal bottom shell to cover the plastic inner shell, the plastic inner shell is embedded into the power supply mounting position and is clamped and fixed with the inner shell clamping position through an outer inclined clamping plate, two buckling grooves in the left side and the right side of the metal upper cover are buckled with the upper cover buckles and cover the upper portion of the plastic inner shell to be fixed with the metal bottom shell, and the metal upper cover moves downwards corresponding to the limiting clamping edge to be in butt joint with the metal bottom shell and covers and protects the plastic inner shell. The metal upper cover is in butt joint with the limiting clamping edge along with downward movement of the limiting clamping edge, the buckling grooves in the metal upper cover are in buckling butt joint with the upper cover bodies on the two sides of the outer side of the limiting clamping edge, the effect of rapidly assembling the metal upper cover and the metal bottom shell is achieved, and the purposes of reducing assembling procedures of the power box and rapidly assembling the power box are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of lighting fixtures, in particular to a power supply box that optimizes the production process and improves the protection strength. Background Technique

[0002] In order to supply power to the embedded downlight category, it is necessary to assemble the power supply box when the embedded downlight is assembled at the use site. As Figure 1 shown, the existing embedded downlight category generally uses two upper and lower plastic inner shells 3 to fix the power supply board 9 to protect the power supply board, and then uses a structure in which the metal bottom shell 1 and the metal upper cover 4 are cooperatively wrapped. This power supply box structure requires many accessories during assembly, thus increasing the assembly process of the power supply box and reducing the assembly efficiency of the power supply box;

[0003] Another existing embedded downlight category uses a plastic inner shell 3 buckled on the inner shell clamping position 7 at the bottom of the metal bottom shell 1, resulting in a structure in which the outer inclined clamping plate 10 is exposed after being buckled with the inner shell clamping position 7. Among them, the power supply board 9 is fixed on the plastic inner shell 3 (as Figure 2 shown), and the clamping position of this structure is easily damaged outside the metal shell, and the plastic inner shell cannot be fixed on the metal shell, resulting in the power supply board losing protection;

[0004] Moreover, for the above two existing metal shell bending and splicing structures, the bending overlap protects the front and back directions of the shell, and the left and right directions have insufficient support strength. The installation of the plastic inner shell will cause the left and right sides of the metal shell to be squeezed, and there is a phenomenon that the metal shell is squeezed and turned out of shape by the plastic inner shell. At the same time, the anti-drop performance is poor, and it is necessary to thicken the metal sheet metal thickness to ensure the strength.

[0005] Therefore, the utility model provides a power supply box that optimizes the production process and increases the protection strength. Content of the Utility Model

[0006] The purpose of the utility model is to provide a power supply box that optimizes the production process and improves the protection strength, so as to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] A power supply box that optimizes the production process and improves the protection strength, including a metal bottom shell with a power supply installation position inside, a plastic inner shell arranged inside the metal bottom shell, and a metal upper cover that cooperates with the metal bottom shell to cover the plastic inner shell. A limit clamping edge is arranged on the inner side of the top end of the metal bottom shell, and an inner shell clamping position and an upper cover buckle are respectively arranged on the left and right sides of the limit clamping edge corresponding to the power supply installation position;

[0009] A power board is embedded in the installation groove of the plastic inner shell, and the left and right sides of the top of the plastic inner shell are respectively provided with outer inclined clamping plates that are clamped with the inner shell clamping position, and the plastic inner shell is embedded in the power installation position and is clamped and fixed with the inner shell clamping position through the outer inclined clamping plates;

[0010] Two buckle grooves on the left and right sides of the metal upper cover are buckled with the upper cover buckles and cover the upper part of the plastic inner shell and are fixed to the metal bottom shell.

[0011] Furthermore, there are two upper cover buckles on each side of the limit clamping edge, and the two upper cover buckles are respectively arranged on the front and rear sides opposite to the inner shell clamping position. The upper cover buckles are buckled with the two buckle grooves on the metal upper cover to achieve the purpose of quickly fixing the metal upper cover on the metal bottom shell.

[0012] Furthermore, the width of the outer side of the limiting card edge and the outer surface of the metal bottom shell is consistent with the thickness of the metal upper cover, the inner side of the metal upper cover and the limiting card edge and the outer surface of the metal upper cover and the outer surface of the metal bottom shell are on the same plane, the limiting card edge is inserted into the inner side of the metal upper cover, and while the metal bottom shell supports the metal upper cover, the outer side of the metal upper cover and the outer surface of the metal bottom shell are on the same plane, thereby maintaining the smoothness of the outer surface after the metal upper cover and the metal bottom shell are connected.

[0013] Furthermore, a groove is provided on one side where the plastic inner shell and the metal bottom shell are bonded, and an observation window is provided on the metal bottom shell corresponding to the groove, through which the status of the power board in the plastic inner shell can be checked, and the groove is a avoidance notch for the observation window.

[0014] Furthermore, the metal bottom shell includes a U-shaped base and two side panels respectively provided at the front and rear ends of the base, and docking slots are respectively provided in the middle of the two sides of the front and rear ends of the base, and two L-shaped bent edges on the left and right sides of the side panels are engaged with the docking slots. The L-shaped bent edges are inserted into the docking slots as the side panels and the base are assembled, thereby achieving the purpose of quick assembly of the metal bottom shell. At the same time, the left and right sides of the metal bottom shell are strengthened and fixed through the cooperation of the L-shaped bent edges and the docking slots, thereby avoiding the problem of deformation of the metal bottom shell caused by tension on the left and right sides of the metal bottom shell when the plastic inner shell is inserted into the power supply installation position.

[0015] Furthermore, the outer surface of the L-shaped bent edge is embedded in the docking slot to maintain the neatness of the outer surface of the metal bottom shell and prevent the L-shaped bent edge from protruding from the surface of the metal bottom shell and affecting the neatness of the outer surface of the metal bottom shell.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The power supply box that optimizes the production process and improves the protection strength is provided with an inner shell clamping position and an upper cover buckle on the limiting clamping edge at the top of the metal bottom shell for respectively fixing the plastic inner shell and the metal upper cover. After the power supply board is installed in the plastic inner shell, the plastic inner shell is embedded in the metal bottom shell corresponding to the power supply installation position in the metal bottom shell. The metal upper cover moves down corresponding to the limiting clamping edge and docks with the metal bottom shell to cover and protect the plastic inner shell. As the metal upper cover moves down and docks with the limiting clamping edge, the buckle grooves on the metal upper cover are docked with the two upper cover buckles on the outer sides of the limiting clamping edge, achieving the effect of quickly assembling the metal upper cover and the metal bottom shell, and achieving the purpose of reducing the assembly process of the power supply box and quickly assembling the power supply box;

[0018] On the outside of the power supply box, an L-shaped bending overlap is provided through the side plate and the base on the metal bottom shell. While fixing the side plate and the base through the L-shaped bending overlap, the left and right side walls of the base are supported and fixed through the L-shaped bending overlap, improving the strength when the left and right side walls of the base cooperate with the plastic inner shell and are inserted into the metal bottom shell, and avoiding the problem that the metal bottom shell deforms due to the insertion of the plastic inner shell. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of assembling the power supply board by two plastic shells, upper and lower, in the prior art;

[0020] Figure 2 It is a schematic structural diagram of assembling the power supply board by buckling the plastic inner shell on the metal outer shell with the buckle exposed in the prior art;

[0021] Figure 3 It is a schematic structural diagram of the present utility model;

[0022] Figure 4 For the present utility model Figure 3 Exploded structural diagram;

[0023] Figure 5 It is a schematic structural diagram of the metal bottom shell of the present utility model;

[0024] Figure 6 For the present utility model Figure 5 Enlarged structural diagram of part A.

[0025] In the figure: 1. Power supply installation position; 2. Metal bottom shell; 3. Plastic inner shell; 4. Metal upper cover; 5. Limiting clamping edge; 6. Upper cover buckle; 7. Inner shell clamping position; 8. Installation groove; 9. Power supply board; 10. Outer inclined clamping plate; 11. Buckle groove; 12. Groove; 13. Base; 14. Side plate; 15. Observation window; 16. Docking card slot; 17. L-shaped bending overlap. Detailed Description of the Invention

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 3 - 6 , the utility model provides a technical solution:

[0028] A power supply box with optimized production process and improved protection strength, comprising a metal bottom shell 2 with a power supply installation position 1, a plastic inner shell 3 arranged in the metal bottom shell 2, and a metal upper cover 4 that cooperates with the metal bottom shell 2 to cover the plastic inner shell 3, the metal bottom shell 2 is used to cooperate and fix a power board 9 in the plastic inner shell 3, a limiting clamping edge 5 is arranged on the inner side of the top of the metal bottom shell 2, and the limiting clamping edge 5 is respectively provided with an inner shell clamping position 7 and an upper cover buckle 6 on the left and right sides corresponding to the power supply installation position 1;

[0029] A power board 9 is embedded in the mounting groove 8 of the plastic inner shell 3, and the left and right sides of the top of the plastic inner shell 3 are respectively provided with outer inclined card plates 10 that are clamped with the inner shell clamping position 7. The distance between the bottom of the outer inclined card plate 10 and the bottom of the plastic inner shell 3 is consistent with the distance between the inner shell clamping position 7 and the bottom surface of the power installation position 1. The plastic inner shell 3 is embedded in the power installation position 1 and is clamped and fixed with the inner shell clamping position 7 through the outer inclined card plate 10;

[0030] Two buckle grooves 11 on the left and right sides of the metal upper cover 4 are buckled with the upper cover buckles 6 and cover the upper part of the plastic inner shell 3 and are fixed to the metal bottom shell 2 .

[0031] There are two upper cover buckles 6 on each side of the limiting clamping edge 5, and the two upper cover buckles 6 are respectively arranged on the front and rear sides opposite to the inner shell clamping position 7. The upper cover buckles 6 are buckled with the two buckle grooves 11 on the metal upper cover 4 to achieve the purpose of quickly fixing the metal upper cover 4 on the metal bottom shell 2.

[0032] The width of the outer side of the limiting card edge 5 and the outer surface of the metal bottom shell 2 is consistent with the thickness of the metal upper cover 4. The inner side of the metal upper cover 4 and the limiting card edge 5 and the outer surface of the metal upper cover 4 are on the same plane with the outer surface of the metal bottom shell 2. The limiting card edge 5 is inserted into the inner side of the metal upper cover 4, and while the metal bottom shell 2 supports the metal upper cover 4, the outer side of the metal upper cover 4 and the outer surface of the metal bottom shell 2 are on the same plane, so as to maintain the smoothness of the outer surface after the metal upper cover 4 and the metal bottom shell 2 are connected.

[0033] One side of the plastic inner shell 3 that fits with the metal bottom shell 2 is provided with a groove 12, and the metal bottom shell 2 is provided with an observation window 15 corresponding to the groove 12. The state of the power board 9 installed in the plastic inner shell 3 is viewed through the observation window 15, and the groove 12 serves as an avoidance notch for the observation window 15.

[0034] As Figure 6 shown, the metal bottom shell 2 includes a U-shaped base 13 and two side plates 14 respectively provided at the front and rear ends of the base 13. Docking card slots 16 are respectively provided in the middle of both sides at the front and rear ends of the base 13. Two L-shaped bending and overlapping edges 17 on the left and right sides of the side plates 14 are snap-fitted with the docking card slots 16. As the side plates 14 are assembled with the base 13, the L-shaped bending and overlapping edges 17 are snapped into the docking card slots 16. While achieving the purpose of quickly assembling the metal bottom shell 2, the cooperation between the L-shaped bending and overlapping edges 17 and the docking card slots 16 strengthens the fixation of the left and right sides of the metal bottom shell 2, avoiding the problem that when the plastic inner shell 3 is snapped into the power installation position 1, the left and right sides of the metal bottom shell 2 are tightened and deformed.

[0035] The outer surface of the L-shaped bending and overlapping edge 17 is embedded in the docking card slot 16 to keep the outer surface of the metal bottom shell 2 neat, and to prevent the L-shaped bending and overlapping edge 17 from protruding from the surface of the metal bottom shell 2 and affecting the neatness of the outer surface of the metal bottom shell 2.

[0036] For the power box that optimizes the production process and improves the protection strength, an inner shell clamping position 7 and an upper cover buckle 6 for respectively fixing the plastic inner shell 3 and the metal upper cover 4 are provided on the limit clamping edge 5 at the top of the metal bottom shell 2. After the power board 9 is installed in the plastic inner shell 3, the plastic inner shell 3 is embedded in the metal bottom shell 2 corresponding to the power installation position 1 in the metal bottom shell 2. The metal upper cover 4 moves downward corresponding to the limit clamping edge 5 and docks with the metal bottom shell 2 to cover and protect the plastic inner shell 3. As the metal upper cover 4 moves downward and docks with the limit clamping edge 5, the buckle slots 11 on the metal upper cover 4 are docked with the two upper cover buckles 6 on the outer sides of the limit clamping edge 5, achieving the effect of quickly assembling the metal upper cover 4 and the metal bottom shell 2, and achieving the purpose of reducing the assembly process of the power box and quickly assembling the power box.

[0037] On the outside of the power box, L-shaped bending and overlapping edges 17 are provided through the cooperation of the side plates 14 and the base 13 on the metal bottom shell 2. While fixing the side plates 14 and the base 13 through the L-shaped bending and overlapping edges 17, the left and right side walls of the base 13 are supported and fixed by the L-shaped bending and overlapping edges 17, improving the strength when the left and right side walls of the base 13 cooperate with the plastic inner shell 3 to be snapped into the metal bottom shell 2, and avoiding the problem that the metal bottom shell 2 is deformed due to the snapping of the plastic inner shell 3.

[0038] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A power supply box for optimizing production processes and enhancing protection intensity, comprising a metal bottom shell (2) with a power supply installation position (1) provided therein, a plastic inner shell (3) disposed within the metal bottom shell (2), and a metal upper cover (4) that cooperates with the metal bottom shell (2) to cover the plastic inner shell (3), characterized in that: A limiting card edge (5) is provided inside the top end of the metal bottom shell (2), and an inner shell clamping position (7) and an upper cover buckle (6) are respectively provided on the left and right sides of the limiting card edge (5) corresponding to the power supply installation position (1); A power supply board (9) is embedded in the installation groove (8) of the plastic inner shell (3), and outer inclined clamping plates (10) that are respectively clamped with the inner shell clamping positions (7) are provided on the left and right sides of the top end of the plastic inner shell (3). The plastic inner shell (3) is embedded in the power supply installation position (1) and is fixedly clamped through the outer inclined clamping plates (10) and the inner shell clamping positions (7); Two buckle grooves (11) on the left and right sides of the metal upper cover (4) are buckled with the upper cover buckle (6) and cover above the plastic inner shell (3) to be fixed with the metal bottom shell (2).

2. The power supply box for optimizing the production process and improving the protection intensity according to claim 1, wherein: Two upper cover buckles (6) are respectively provided on each side of the limiting card edge (5), and the two upper cover buckles (6) are respectively arranged on the front and back sides opposite to the inner shell clamping position (7).

3. The power supply box for optimizing production processes and enhancing protection strength according to claim 2, wherein: The width of the outer side of the limiting card edge (5) and the outer surface of the metal bottom shell (2) is the same as the thickness of the metal upper cover (4), and the inner side of the metal upper cover (4) is flush with the limiting card edge (5), and the outer surface of the metal upper cover (4) is on the same plane as the outer surface of the metal bottom shell (2).

4. A power supply box for optimizing production processes and enhancing protection intensity according to claim 1, characterized in that: A groove (12) is provided on one side of the plastic inner shell (3) that fits with the metal bottom shell (2), and an observation window (15) is provided on the metal bottom shell (2) corresponding to the groove (12).

5. A power supply box for optimizing production processes and enhancing protection strength according to claim 1, characterized in that: The metal bottom shell (2) includes a U-shaped base (13) and two side plates (14) respectively provided at the front and rear ends of the base (13). Docking card slots (16) are respectively provided in the middle of the two sides at the front and rear ends of the base (13), and two L-shaped bending and overlapping edges (17) on the left and right sides of the side plates (14) are clamped with the docking card slots (16).

6. The power supply box for optimizing production processes and enhancing protection strength according to claim 5, characterized in that: The outer surface of the L-shaped bending and overlapping edge (17) is embedded in the docking card slot (16).

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