Household energy storage top cover and case fixing structure and household energy storage power supply

Abstract

The utility model relates to a household energy storage top cover and case fixing structure and a household energy storage power supply, the household energy storage top cover and case fixing structure is used for fixing a top cover and a case, the case is provided with an upper edge, the household energy storage top cover and case fixing structure comprises a bending edge part formed by bending the upper edge of the case, the bending edge part is bent inwards and then is bent outwards, and the bending edge part is provided with an opening. The bent edge portion comprises an inward bent portion and an outward bent portion, a stud aluminum sleeve is arranged on the bottom face of the outward bent portion, an upper through hole is formed in the edge of the top cover, a lower through hole is formed in the outward bent portion, the stud aluminum sleeve is provided with sleeve holes, and the sleeve holes correspond to the upper through hole and the lower through hole respectively so that a fastening assembly can be installed in the sleeve holes. And the top cover is fixed on the case through a fastening assembly. The structure is compact and firm, a space is formed through inward and outward bending, the size of the case can be reduced, the strength of the case is improved through the stud aluminum sleeves, meanwhile, water seepage can be effectively prevented through multiple bending, dust can be prevented, and the case is suitable for household scenes.

Description

Technical Field

[0001] The utility model relates to the technical field of household energy storage power supplies, and in particular to a household energy storage top cover and chassis fixing structure and a household energy storage power supply. Background Art

[0002] With the development of new energy, some new energy equipment has also entered the home. For example, by arranging photovoltaic cells, wind turbines and other power generation devices in the home scene to generate electricity, supply power and store energy for home loads. The home energy storage system is a system that includes these power generation devices and energy storage converters.

[0003] Since household energy storage power supplies are used indoors, unlike industrial applications, household energy storage power supplies are often exposed to dust or smoke for long periods of time, so sealing and waterproofing are very important. For example, Figure 1 and 2 The present invention discloses a chassis 1 of an existing household energy storage power supply, wherein the edge of the chassis 1 is an outer flange 2, and a sealing sheet is added when the top cover is covered, and the top cover presses the outer flange 3. The outer flange 3 can provide a large contact area, and the chassis outer flange 3 can be formed by a sheet metal chassis bending method with an open drawing die. However, this structure cannot reduce the size of the chassis to the maximum extent, and the strength is relatively weak. Utility Model Content

[0004] In view of this, a household energy storage top cover and chassis fixing structure and a household energy storage power supply are provided which have a compact and firm structure and can reduce the size of the chassis and increase the strength of the chassis.

[0005] A household energy storage top cover and chassis fixing structure is used to fix the top cover to the chassis, the chassis has an upper edge, the household energy storage top cover and chassis fixing structure includes a bent edge formed by bending the upper edge of the chassis, the bent edge is bent inward and then bent outward, the bent edge includes an inward bending portion and an outward bending portion, the bottom surface of the outward bending portion is provided with a stud aluminum sleeve, the top cover edge is provided with an upper through hole, the outward bending portion is provided with a lower through hole, the stud aluminum sleeve has sleeve holes corresponding to the upper and lower through holes respectively for loading fastening components, and the top cover is fixed to the chassis through the fastening component.

[0006] Specifically, the stud aluminum sleeve is in the shape of a nut with a hole or a long slot with a hole.

[0007] Specifically, the fastening assembly includes a riveted stud and a screw. The riveted stud is in a nut shape and penetrates the upper through hole and the lower through hole. The screw passes through the lower through hole of the outward bending portion and is threadedly connected to the inner screw hole of the riveted stud.

[0008] In some preferred embodiments, the lower end of the riveted stud extends out of the lower through hole and contacts or is close to the sleeve hole of the stud aluminum sleeve, and the top surface of the riveted stud sinks to be flush with or slightly lower than the top cover surface.

[0009] In some specific embodiments, the stud aluminum sleeve is pressed against the edge of the lower through hole under the pressure of the fastening assembly.

[0010] In some preferred embodiments, the outermost edge of the outwardly bent portion is bent downward, and the edge of the top cover is bent downward accordingly so that the two outermost downwardly bent portions are parallel or close to each other.

[0011] Preferably, a gasket is provided between the stud aluminum sleeve and the screw, and the gasket includes a metal gasket and / or a plastic gasket.

[0012] Furthermore, there are a plurality of pairs of the upper through holes and the lower through holes, and the plurality of pairs of the upper through holes and the lower through holes are evenly distributed on the edge of the top cover and the upper edge of the chassis.

[0013] Preferably, a waterproof foam glue is provided between the edge of the top cover and the upper edge of the chassis, and the waterproof foam glue is located on the inner side of the upper and lower through holes.

[0014] Also, a household energy storage power supply is provided, which includes a top cover, a chassis, and a PCB board, a radiator and an inductor installed in the chassis. The top cover and the chassis are connected and fixed to each other using the household energy storage top cover and chassis fixing structure as described above.

[0015] In the above-mentioned household energy storage top cover and chassis fixing structure and household energy storage power supply, the upper edge of the chassis is bent to form an inward bending portion and an outward bending portion, and the bottom surface of the outward bending portion is provided with a stud aluminum sleeve, and the stud aluminum sleeve is fastened to the top cover and the upper edge of the chassis by a fastening assembly, which has a compact structure and a solid and stable structure, thereby enhancing the safety of electronic products and improving the service life of products. Since the inward bending portion is first formed and then the outward bending portion is formed, the stud aluminum sleeve is retracted to a certain size relative to the outward-turned edge, and the stud aluminum sleeve can be hidden in the bending space, which not only reduces the size of the chassis, but also increases the strength of the chassis by adding the stud aluminum sleeve, and multiple bends can form a curved joint gap at the junction of the top cover and the upper edge of the chassis, effectively preventing dust or water from entering, suitable for use in a home environment, and has a wide range of application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the existing household energy storage top cover and chassis fixing structure.

[0017] Figure 2 yes Figure 1 Top view of the structure in.

[0018] Figure 3 It is a three-dimensional structural schematic diagram of a household energy storage power supply provided by an embodiment of the utility model.

[0019] Figure 4 It is a schematic diagram of the structure in which the top cover and the main body are separated in the household energy storage power supply provided by an embodiment of the utility model.

[0020] Figure 5 It is a schematic diagram of the internal structure of a household energy storage power supply and the fixing structure of the top cover and the chassis provided by an embodiment of the utility model.

[0021] Figure 6 It is a structural schematic diagram of a household energy storage chassis provided by an embodiment of the utility model.

[0022] Figure 7 It is a top view structural schematic diagram of the household energy storage top cover and chassis fixing structure provided by an embodiment of the utility model.

[0023] Figure 8 It is a partial enlarged view of the connection between the household energy storage top cover and the edge of the chassis provided by the embodiment of the utility model.

[0024] In the attached figure:

[0025] 100. Household energy storage power supply; 101. PCB board; 102. Radiator; 103. Inductor slot; 10. Chassis; 18. Upper through hole; 28. Lower through hole; 20. Top cover; 22. Top cover edge; 222. Top cover surface; 23. Upper edge; 25. Bending edge; 26. Inward bending portion; 27. Outward bending portion; 30. Fastening assembly; 31. Screw; 32. Gasket; 33. Riveted stud; 35. Waterproof foam glue; 41. Stud aluminum sleeve; 42. Sleeve hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0027] See also Figures 3 to 8, showing a household energy storage top cover and chassis fixing structure and a household energy storage power supply 100 provided by an embodiment of the utility model, the fixing structure is used to fix the top cover 20 to the chassis 10, the chassis 10 has an upper edge 23, the fixing structure includes a bent edge 25 formed by bending the upper edge 23 of the chassis 10, the bent edge 25 is bent inward and then bent outward, the bent edge 25 includes an inward bending portion 26 and an outward bending portion 27, the bottom surface of the outward bending portion 27 is provided with a stud aluminum sleeve 41, the edge 22 of the top cover 20 is provided with an upper through hole 18, the outward bending portion 27 is provided with a lower through hole 28, the stud aluminum sleeve 41 has sleeve holes 42 corresponding to the upper and lower through holes 18, 28 respectively for loading the fastening assembly 30, and the top cover 20 is fixed to the chassis 10 by the fastening assembly 30. Specifically, the stud aluminum sleeve 41 is in the shape of a nut with a hole or a long slot with a hole.

[0028] Specifically, the fastening assembly 30 includes a rivet stud 33 and a screw 31. The rivet stud 33 is in the shape of a nut and penetrates into the upper through hole 18 and the lower through hole 28. The screw 31 passes through the lower through hole 28 of the outward bending portion 27 and is threadedly connected to the inner screw hole of the rivet stud 33.

[0029] In some preferred embodiments, the lower end of the riveted stud 33 extends out of the lower through hole 28 and contacts or is close to the sleeve hole 42 of the stud aluminum sleeve 41, and the top surface of the riveted stud 33 sinks to be flush with the surface 222 of the top cover 20 or slightly lower than the surface 222 of the top cover 20, thereby not affecting the appearance of the top cover 20 and the entire product surface.

[0030] Preferably, the stud aluminum sleeve 41 is pressed against the edge of the lower through hole 28 under the pressure of the fastening assembly 30, thereby fastening the top cover and the upper edge of the chassis, with a compact structure and a firm and stable structure, thereby enhancing the safety of electronic products and increasing product service life.

[0031] Preferably, the outermost edge of the outward bending portion 27 is bent downward, and the edge of the top cover 20 is bent downward accordingly so that the two outermost downwardly bent portions are parallel or close to each other, thereby forming a further bending gap at the junction of the top cover 20 and the upper edge of the chassis 10, so as to further enhance the dustproof and waterproof functions.

[0032] In some preferred embodiments, a gasket 32 ​​is provided between the stud aluminum sleeve 41 and the screw 31. The gasket 32 ​​includes a metal gasket and / or a plastic gasket. In the illustrated embodiment, two layers of gaskets are used simultaneously to enhance the fastening and sealing effects.

[0033] Furthermore, the top of the stud aluminum sleeve 41 further extends into the lower through hole 28 of the outward bending portion 27 and is clamped on the outer edge of the lower through hole 28, which not only strengthens the fastening and close connection effect, but also makes the structure more compact. Figure 6 , 6 As shown in FIG. 7 , there are multiple pairs of the upper through holes 18 and the lower through holes 28 , and the multiple pairs of the upper through holes 18 and the lower through holes 28 are evenly distributed on the edge 22 of the top cover 20 and the upper edge 23 of the chassis 10 .

[0034] Preferably, a waterproof foam glue 35 is provided between the edge 22 of the top cover 20 and the upper edge 23 of the chassis 10 , and the waterproof foam glue 35 is located on the inner side of the upper and lower through holes 18 , 28 to enhance the waterproof effect.

[0035] In addition, if Figures 3 to 5 As shown, the household energy storage power supply 100 provided by the embodiment of the utility model includes a top cover 20, a chassis 10, and a PCB board 101, a heat sink 102 and an inductor 103 installed in the chassis 10. The inductor is installed in the inductor slot 103. The top cover 20 and the chassis 10 are connected and fixed to each other using the household energy storage top cover 20 and the chassis fixing structure 100 as described above. In the household energy storage power supply 100, an inward bending portion 26 and an outward bending portion 27 are formed by bending the upper edge 2323 of the chassis 10, and a stud aluminum sleeve 41 is provided on the bottom surface of the outward bending portion 27 to enhance the fastening effect, thereby enhancing the safety of electronic products and improving the service life of the products. Due to the inward bending portion 26 and then the outward bending portion 27, compared with the traditional all-outer flange, the flange of the product is shrunk by a certain size, and the stud aluminum sleeve 41 can be hidden in the bending space, which not only reduces the size of the chassis 10, but also increases the strength of the chassis 10 by adding the stud aluminum sleeve 41, and multiple bends can form a curved joint gap at the junction of the top cover 20 and the upper edge 23 of the chassis, effectively preventing dust or water from entering, is suitable for use in a home environment, and has broad application prospects.

[0036] It should be noted that the present invention is not limited to the above-mentioned embodiments. According to the creative spirit of the present invention, those skilled in the art may also make other changes. These changes made according to the creative spirit of the present invention should be included in the scope of protection required by the present invention.

Claims

1. A household energy storage top cover and chassis fixing structure, used to fix the top cover to the chassis, the chassis has an upper edge, characterized in that: The household energy storage top cover and chassis fixing structure includes a bent edge formed by bending the upper edge of the chassis, the bent edge is bent inward and then bent outward, the bent edge includes an inward bending portion and an outward bending portion, the bottom surface of the outward bending portion is provided with a stud aluminum sleeve, the edge of the top cover is provided with an upper through hole, the outward bending portion is provided with a lower through hole, the stud aluminum sleeve has sleeve holes corresponding to the upper and lower through holes respectively to install fastening components, and the top cover is fixed to the chassis through the fastening components.

2. The household energy storage top cover and chassis fixing structure according to claim 1, characterized in that: The stud aluminum sleeve is in the shape of a nut with a hole, a long slot with a hole, or a long slot with a hole.

3. The household energy storage top cover and chassis fixing structure according to claim 1, characterized in that: The fastening assembly includes a riveted stud and a screw. The riveted stud is in a nut shape and penetrates the upper through hole and the lower through hole. The screw passes through the lower through hole of the outward bending portion and is threadedly connected to the inner screw hole of the riveted stud.

4. The household energy storage top cover and chassis fixing structure as claimed in claim 3, characterized in that: The lower end of the riveted stud extends out of the lower through hole and contacts or is close to the sleeve hole of the stud aluminum sleeve, and the top surface of the riveted stud sinks to be flush with the top cover surface or slightly lower than the top cover surface.

5. The household energy storage top cover and chassis fixing structure as claimed in claim 3, characterized in that: The stud aluminum sleeve is pressed against the edge of the lower through hole under the pressure of the fastening assembly.

6. The household energy storage top cover and chassis fixing structure according to claim 1, characterized in that: The outermost edge of the outwardly bent portion is bent downward, and the edge of the top cover is bent downward correspondingly so that the two outermost downwardly bent portions are parallel to or close to each other.

7. The household energy storage top cover and chassis fixing structure as claimed in claim 3, characterized in that: A gasket is arranged between the stud aluminum sleeve and the screw, and the gasket includes a metal gasket and / or a plastic gasket.

8. The household energy storage top cover and chassis fixing structure according to claim 1, characterized in that: There are multiple pairs of the upper through holes and the lower through holes, and the multiple pairs of the upper through holes and the lower through holes are evenly distributed on the edge of the top cover and the upper edge of the chassis.

9. The household energy storage top cover and chassis fixing structure according to claim 1, characterized in that: A waterproof foam glue is provided between the edge of the top cover and the upper edge of the chassis, and the waterproof foam glue is located at the inner side of the upper and lower through holes.

10. A household energy storage power supply, comprising a top cover, a chassis, and a PCB board, a radiator and an inductor installed in the chassis, characterized in that: The top cover and the chassis are connected and fixed to each other using the household energy storage top cover and chassis fixing structure as described in any one of claims 1-9.

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