Circuit board fixing assembly for power adapter

Abstract

The utility model discloses a circuit board fixing assembly for a power adapter, which belongs to the technical field of power adapters, and is characterized by comprising a shell assembly, a limiting assembly fixedly connected in the shell assembly, a positioning assembly fixedly connected in the shell assembly, and a circuit board body clamped in the limiting assembly. The limiting assembly comprises a limiting plate, a mounting hole and a movable hole, firstly, the working position of the limiting assembly is fixed through the shell assembly, the effect of limiting the working position of the circuit board body is achieved through the limiting assembly, the circuit board body is prevented from moving at will, and then the positioning assembly is matched with the limiting assembly. Therefore, the circuit board body is convenient to maintain while being fixed, finally, the working effect of the power adapter is achieved through the circuit board body, the working position of the limiting plate is fixed through the shell assembly, and then the working position of the circuit board body is limited through mutual cooperation of the mounting hole and the movable hole formed in the limiting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of power adapters, in particular to a circuit board fixing component for a power adapter. Background Art

[0002] A power adapter is a power conversion device for small portable electronic devices and electronic appliances. It is generally composed of components such as a casing, a transformer, an inductor, a capacitor, a control IC, and a PCB board. Its working principle is to convert AC input into DC output. It can be divided into wall-mounted and desktop types according to the connection method.

[0003] In a Chinese utility model with announcement number CN215991368U, a power adapter circuit board body component is disclosed, the circuit board body component includes: a PCB board, an electrolytic capacitor, which is suspended on the side of the PCB board, the electrolytic capacitor is welded to the PCB board through pins, the upper edge or lower edge of the electrolytic capacitor is flush with the upper surface or lower surface of the highest component on the upper end surface or lower end surface of the PCB board, a first support member and a second support member, one end of the first support member or the second support member is installed on the upper end surface or the lower end surface of the PCB board, and the other end of the first support member or the second support member is supported on the upper edge or lower edge of the electrolytic capacitor adjacent to the PCB. The design of the circuit board body component not only reduces the overall thickness of the power adapter but also reduces the cost, and has the value of promotion and application.

[0004] Currently, most power adapters on the market use bolts to fix the circuit board. The power adapter needs to be tested during the production process. When the circuit board that needs maintenance is fixed with bolts, it is inconvenient to disassemble it during the maintenance process, which affects the maintenance effect. Utility Model Content

[0005] The utility model provides a circuit board fixing assembly for a power adapter, aiming to solve the problem that in the existing power adapter, the circuit board is mostly fixed by bolts, the power adapter needs to be tested during the production process, and the circuit board that needs to be maintained is inconvenient to be disassembled during the maintenance process when it is fixed by bolts, which affects the maintenance effect.

[0006] The utility model is implemented as follows: a circuit board fixing assembly for a power adapter comprises a housing assembly, a limiting assembly is fixedly connected inside the housing assembly, a positioning assembly is fixedly connected inside the housing assembly, and a circuit board body is clamped inside the limiting assembly;

[0007] The limiting assembly includes a limiting plate, a mounting hole and a movable hole. The limiting plate is fixedly connected to the inside of the shell assembly, the mounting hole is opened inside the limiting plate, the movable hole is opened inside the limiting plate, and the mounting hole and the movable hole are connected to each other.

[0008] In order to achieve the effect of protecting the circuit board body, as a preferred circuit board fixing assembly for a power adapter of the utility model, the shell assembly includes a bottom shell, a connecting shell and a shell cover, the bottom shell is fixedly connected to the bottom of the limiting plate, the connecting shell is fixedly connected to the surface of the bottom shell, and the shell cover is clamped on the top of the connecting shell.

[0009] In order to achieve the effect of fixing the circuit board body with the limiting assembly, a circuit board fixing assembly for a power adapter of the utility model is preferably used, wherein the positioning assembly includes a spring, a positioning plate and a limiting column, the spring is fixedly connected to the rear side of the connecting shell, the positioning plate is fixedly connected to the rear side of the spring, the limiting column is fixedly connected to the bottom of the positioning plate, and the limiting column is movably connected to the inside of the limiting plate.

[0010] In order to facilitate the support and fixation of the circuit board body, a circuit board fixing assembly for a power adapter of the utility model is preferably provided with a connecting hole inside the circuit board body, a connecting rod is movably connected inside the connecting hole, a screw cap is threadedly connected to the top of the connecting rod, a clamping ring used in conjunction with a limit plate is fixedly connected to the bottom of the connecting rod, and the clamping ring is clamped inside the limit plate.

[0011] In order to achieve the effect of assisting in fixing the circuit board body, as a preferred circuit board fixing component for a power adapter of the utility model, the interior of the connecting shell is fixedly connected with a card block, the number of the card blocks is set to two, the circuit board body is clamped in the interior of the card block, the bottom of the shell cover is fixedly connected with a gasket, and the bottom of the gasket is fixedly connected with a clamping column.

[0012] In order to achieve the effect of supporting the circuit board body and fixing the circuit board body with a clamping ring, as a preferred circuit board fixing component for a power adapter of the utility model, a support pad is fixedly connected to the surface of the connecting rod, and the support pad is arranged on the top of the clamping ring. The support pad is used in conjunction with the clamping ring, and a clamping groove is opened inside the connecting rod for use with a clamping column.

[0013] In order to prevent the limit column from leaving the working position, as a preferred circuit board fixing component for a power adapter of the utility model, the limit plate is provided with a limit groove used in conjunction with the limit column, the limit column is movably connected to the inside of the limit groove, and the bottom of the limit plate is fixedly connected to a support column, and the support column is fixedly connected to the top of the bottom shell.

[0014] In order to achieve the effect of improving the sealing of the shell, as a preferred circuit board fixing assembly for a power adapter of the utility model, the bottom shell and the top of the connecting shell are fixedly connected with connecting pieces, the inside of the shell cover is provided with a connecting groove used in conjunction with the connecting piece, and the bottom of the shell cover is fixedly connected with a sealing ring used in conjunction with the connecting piece.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The circuit board fixing component for the power adapter first fixes the working position of the limit component through the shell component, and achieves the effect of limiting the working position of the circuit board body through the limit component to prevent the circuit board body from moving at will, and then the positioning component cooperates with the limit component to fix the circuit board body and facilitate the maintenance of the circuit board body, and finally the power adapter works through the circuit board body, the working position of the limit plate is fixed by the shell component, and then the mounting hole and the movable hole opened inside the limit plate cooperate with each other to limit the working position of the circuit board body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall structural diagram of a circuit board fixing assembly for a power adapter of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the housing assembly in the utility model;

[0019] Figure 3 It is a structural schematic diagram of the limit assembly in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the positioning component in the utility model;

[0021] Figure 5 This is a schematic diagram of the connection of the circuit board body in the utility model;

[0022] Figure 6 It is a structural schematic diagram of the shell cover in the utility model.

[0023] In the figure, 1. shell assembly; 101. bottom shell; 102. connecting shell; 103. shell cover; 2. limit assembly; 201. limit plate; 202. mounting hole; 203. movable hole; 3. positioning assembly; 301. spring; 302. positioning plate; 303. limit column; 4. circuit board body; 5. connecting hole; 6. connecting rod; 7. screw cap; 8. clamping ring; 9. clamping block; 10. gasket; 11. clamping column; 12. support pad; 13. clamping groove; 14. limit groove; 15. support column; 16. connecting piece; 17. connecting groove; 18. sealing ring. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0026] See also Figure 1-6 The utility model provides a technical solution: a circuit board fixing assembly for a power adapter, comprising a housing assembly 1, a limiting assembly 2 is fixedly connected inside the housing assembly 1, a positioning assembly 3 is fixedly connected inside the housing assembly 1, and a circuit board body 4 is clamped inside the limiting assembly 2;

[0027] The limiting assembly 2 includes a limiting plate 201, a mounting hole 202 and a movable hole 203. The limiting plate 201 is fixedly connected to the inside of the shell assembly 1, the mounting hole 202 is opened inside the limiting plate 201, and the movable hole 203 is opened inside the limiting plate 201. The mounting hole 202 and the movable hole 203 are connected to each other.

[0028] In this embodiment: first, the working position of the limiting component 2 is fixed by the shell component 1, and the limiting component 2 is used to limit the working position of the circuit board body 4 to prevent the circuit board body 4 from moving at will, and then the positioning component 3 cooperates with the limiting component 2 to fix the circuit board body 4 while facilitating the maintenance of the circuit board body 4, and finally the circuit board body 4 is used to achieve the effect of the power adapter working, the working position of the limiting plate 201 is fixed by the shell component 1, and then the mounting hole 202 and the movable hole 203 opened inside the limiting plate 201 cooperate with each other to limit the working position of the circuit board body 4.

[0029] As a technical optimization solution of the utility model, the shell assembly 1 includes a bottom shell 101, a connecting shell 102 and a shell cover 103. The bottom shell 101 is fixedly connected to the bottom of the limiting plate 201, the connecting shell 102 is fixedly connected to the surface of the bottom shell 101, and the shell cover 103 is clamped on the top of the connecting shell 102.

[0030] In this embodiment: the working position of the bottom shell 101 is fixed by the limiting plate 201, and then the working position of the connecting shell 102 is fixed by the bottom shell 101, and the working position of the shell cover 103 is fixed by the connecting shell 102, so that the internal circuit board body 4 is protected by the shell cover 103 and the connecting shell 102.

[0031] As a technical optimization solution of the utility model, the positioning assembly 3 includes a spring 301, a positioning plate 302 and a limiting column 303. The spring 301 is fixedly connected to the rear side of the connecting shell 102, the positioning plate 302 is fixedly connected to the rear side of the spring 301, the limiting column 303 is fixedly connected to the bottom of the positioning plate 302, and the limiting column 303 is movably connected to the inside of the limiting plate 201.

[0032] In this embodiment: the working position of the spring 301 is fixed by the connecting shell 102, and then the working position of the positioning plate 302 is fixed by the spring 301, and the spring 301 achieves a resetting effect on the positioning plate 302, and then the working position of the limiting column 303 is fixed by the positioning plate 302, and the circuit board body 4 is fixed by the positioning plate 302, and finally the limiting column 303 is used to prevent the positioning plate 302 from leaving the working position.

[0033] As a technical optimization solution of the utility model, a connecting hole 5 is opened inside the circuit board body 4, and a connecting rod 6 is movably connected inside the connecting hole 5. A screw cap 7 is threadedly connected to the top of the connecting rod 6, and a clamping ring 8 used in conjunction with the limit plate 201 is fixedly connected to the bottom of the connecting rod 6. The clamping ring 8 is clamped inside the limit plate 201.

[0034] In this embodiment: the working position of the connecting rod 6 is limited by the connecting hole 5 opened inside the circuit board body 4, and the working position of the screw cap 7 is limited by the connecting rod 6, and the circuit board body 4 is fixed by the screw cap 7 and the connecting rod 6, and then the working position of the clamping ring 8 is fixed by the connecting rod 6, and the circuit board body 4 is fixed by the clamping ring 8 and the limiting plate 201.

[0035] As a technical optimization solution of the utility model, a card block 9 is fixedly connected to the inside of the connecting shell 102, the number of the card blocks 9 is set to two, the circuit board body 4 is clamped in the inside of the card block 9, the bottom of the shell cover 103 is fixedly connected to a gasket 10, and the bottom of the gasket 10 is fixedly connected to a clamping column 11.

[0036] In this embodiment: the working position of the card block 9 is fixed by the connecting shell 102, and the card block 9 is set as two so as to cooperate with each other to fix the circuit board body 4, and then the working position of the gasket 10 is fixed by the shell cover 103, and the card column 11 is fixed by the gasket 10, so as to fix the circuit board body 4.

[0037] As a technical optimization solution of the utility model, a support pad 12 is fixedly connected to the surface of the connecting rod 6, and the support pad 12 is arranged on the top of the clamping ring 8. The support pad 12 is used in conjunction with the clamping ring 8, and a clamping groove 13 is opened inside the connecting rod 6 for use in conjunction with the clamping column 11.

[0038] In this embodiment: the working position of the support pad 12 is fixed by the connecting column, and then the support pad 12 is used to support the circuit board body 4, and cooperates with the clamping ring 8 to fix the circuit board body 4 inside the limiting plate 201, and finally cooperates with the clamping column 11 through the clamping groove 13 opened inside the clamping column 11, so as to facilitate the fixing of the connecting rod 6.

[0039] As a technical optimization solution of the utility model, a limiting groove 14 is opened inside the limiting plate 201 for use with the limiting column 303, and the limiting column 303 is movably connected inside the limiting groove 14. The bottom of the limiting plate 201 is fixedly connected with a support column 15, and the support column 15 is fixedly connected to the top of the bottom shell 101.

[0040] In this embodiment: the limiting groove 14 opened inside the limiting plate 201 cooperates with the limiting column 303 to prevent the limiting column 303 from leaving the working position, and then the working position of the support column 15 is fixed by the limiting plate 201, so that the limiting plate 201 is fixed by the support column 15.

[0041] As a technical optimization solution of the utility model, the tops of the bottom shell 101 and the connecting shell 102 are fixedly connected with connecting pieces 16, the interior of the shell cover 103 is provided with connecting grooves 17 used in conjunction with the connecting pieces 16, and the bottom of the shell cover 103 is fixedly connected with a sealing ring 18 used in conjunction with the connecting pieces 16.

[0042] In this embodiment: the working position of the connecting piece 16 is fixed by the bottom shell 101 and the connecting shell 102, and the connecting groove 17 opened inside the shell cover 103 cooperates with the connecting piece 16, so as to facilitate the connection of the shell cover 103 with it, and then the working position of the sealing ring 18 is fixed by the shell cover 103, and the sealing ring 18 is used to protect the internal circuit board body 4.

[0043] Working principle: first, insert the connecting rod 6 through the connecting hole 5 opened inside the circuit board body 4, and then fix the circuit board body 4 by tightening the screw cap 7 and cooperating with the support pad 12, and then push the positioning plate 302 to make the spring 301 contract and insert the circuit board body 4 into the mounting hole 202 opened in the limit plate 201 through the clamping ring 8, and then reset the positioning plate 302 through the elastic force of the spring 301 itself and push the circuit board body 4 to make the connecting rod 6 move to the movable hole 203, and fix the circuit board body 4 by cooperating with the clamping ring 8 and the limit plate 201, and at the same time, the circuit board body 4 is clamped into the two clamping blocks 9 to complete the fixation of the circuit board body 4 and achieve the effect of easy disassembly and assembly.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A circuit board fixing assembly for a power adapter, comprising a housing assembly (1), characterized in that: The housing component (1) is fixedly connected to a limiting component (2), the housing component (1) is fixedly connected to a positioning component (3), and the limiting component (2) is clamped to a circuit board body (4); The limiting assembly (2) comprises a limiting plate (201), a mounting hole (202) and a movable hole (203); the limiting plate (201) is fixedly connected to the interior of the housing assembly (1); the mounting hole (202) is provided in the interior of the limiting plate (201); the movable hole (203) is provided in the interior of the limiting plate (201); and the mounting hole (202) and the movable hole (203) are in communication with each other.

2. A circuit board fixing assembly for a power adapter according to claim 1, characterized in that: The housing assembly (1) comprises a bottom shell (101), a connecting shell (102) and a shell cover (103); the bottom shell (101) is fixedly connected to the bottom of a limiting plate (201); the connecting shell (102) is fixedly connected to the surface of the bottom shell (101); and the shell cover (103) is snap-fitted to the top of the connecting shell (102).

3. A circuit board fixing assembly for a power adapter according to claim 2, characterized in that: The positioning assembly (3) comprises a spring (301), a positioning plate (302) and a limiting column (303); the spring (301) is fixedly connected to the rear side of the connecting shell (102); the positioning plate (302) is fixedly connected to the rear side of the spring (301); the limiting column (303) is fixedly connected to the bottom of the positioning plate (302); and the limiting column (303) is movably connected to the inside of the limiting plate (201).

4. The circuit board fixing assembly for a power adapter according to claim 2, characterized in that: A connecting hole (5) is provided inside the circuit board body (4), a connecting rod (6) is movably connected inside the connecting hole (5), a screw cap (7) is threadedly connected to the top of the connecting rod (6), a clamping ring (8) used in conjunction with the limiting plate (201) is fixedly connected to the bottom of the connecting rod (6), and the clamping ring (8) is clamped inside the limiting plate (201).

5. A circuit board fixing assembly for a power adapter according to claim 4, characterized in that: A card block (9) is fixedly connected to the interior of the connection shell (102), the number of the card blocks (9) is set to two, the circuit board body (4) is clamped inside the card block (9), the bottom of the shell cover (103) is fixedly connected to a gasket (10), and the bottom of the gasket (10) is fixedly connected to a clamping column (11).

6. A circuit board fixing assembly for a power adapter according to claim 5, characterized in that: A support pad (12) is fixedly connected to the surface of the connecting rod (6), and the support pad (12) is arranged on the top of the clamping ring (8). The support pad (12) is used in conjunction with the clamping ring (8), and a clamping groove (13) is provided inside the connecting rod (6) for use in conjunction with the clamping column (11).

7. The circuit board fixing assembly for a power adapter according to claim 3, characterized in that: The limiting plate (201) is provided with a limiting groove (14) for use with the limiting column (303), the limiting column (303) is movably connected inside the limiting groove (14), the bottom of the limiting plate (201) is fixedly connected with a supporting column (15), and the supporting column (15) is fixedly connected to the top of the bottom shell (101).

8. The circuit board fixing assembly for a power adapter according to claim 2, characterized in that: The tops of the bottom shell (101) and the connecting shell (102) are both fixedly connected with a connecting piece (16); a connecting groove (17) for use with the connecting piece (16) is provided inside the shell cover (103); and a sealing ring (18) for use with the connecting piece (16) is fixedly connected to the bottom of the shell cover (103).

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