Selfie device PCBA mainboard with anti-electromagnetic interference function

Abstract

The utility model relates to the technical field of PCBA main boards, and discloses a self-timer PCBA main board with an anti-electromagnetic interference function, which comprises a substrate, the upper surface of the substrate is fixedly connected with a fixed frame, the top end of the fixed frame is provided with an electromagnetic shielding sheet, and the PCBA main board is arranged in the substrate. By arranging a clamping block, when a pull handle is held by a hand to pull a connecting plate to move, the clamping block can be pulled to move in a limiting block, at the moment, the bottom end of the clamping block can be far away from the edge of the PCBA main board, the elastic force of a first spring is applied to an inner column, and therefore the PCBA main board is ejected out, and the PCBA main board is convenient to disassemble; when the PCBA mainboard is fixedly installed, the PCBA mainboard is placed in the fixing frame and pressed, at the moment, the edge of the PCBA mainboard abuts against the inclined face of the clamping block, the clamping block can be squeezed to move in the limiting block, and when the PCBA mainboard moves to the position below the clamping block, the PCBA mainboard can be conveniently fixed to the fixing frame, and the PCBA mainboard can be conveniently fixed to the fixing frame.

Description

Technical Field

[0001] The utility model relates to the technical field of PCBA mainboards, in particular to a selfie device PCBA mainboard with an anti-electromagnetic interference function. Background Art

[0002] The PCBA motherboard is an important electronic component, a support for electronic components, and a provider of circuit connections for electronic components. The PCBA motherboard is an indispensable and important component in the selfie camera, which can ensure the installation of electronic components in the selfie camera.

[0003] In the process of implementing this application, the inventor found that there are at least the following problems in this technology:

[0004] (1) Since there are many electronic components on the PCBA motherboard, it is very inconvenient to repair one of the electronic components if it is damaged;

[0005] (2) The existing PCBA motherboard does not have the effect of resisting electromagnetic interference, which can easily cause it to be affected by external electromagnetic interference and affect its normal use, thereby affecting the operation of the equipment. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a selfie device PCBA mainboard with an anti-electromagnetic interference function, which is easy to repair and has the advantages of good anti-electromagnetic interference, thereby solving the problems raised in the background technology.

[0007] The utility model provides the following technical solution: a selfie device PCBA mainboard with an anti-electromagnetic interference function, comprising a substrate, a fixing frame fixedly connected to the upper surface of the substrate, an electromagnetic shielding sheet arranged on the top of the fixing frame, a PCBA mainboard arranged inside the substrate, a connecting port fixedly connected to the upper surface of the substrate, limiting blocks fixedly connected to both side surfaces of the fixing frame, a card block slidably plugged into one side surface of the limiting block, the card block slidably plugged into the side wall of the fixing frame, and the bottom end of the card block abuts against the edge of the upper surface of the PCBA mainboard.

[0008] Preferably, a second spring is fixedly connected to one side surface of the clamping block, and the other end of the second spring is fixedly connected to the inner wall of the limiting block.

[0009] Preferably, a connecting plate is fixedly connected to the side surface of the clamping block, and a handle is fixedly connected to one side surface of the connecting plate.

[0010] Preferably, a top column is fixedly connected to the upper surface of the substrate, an inner column is slidably inserted into the top end of the top column, a spring 1 is fixedly connected to the bottom end of the inner column, the bottom end of the spring 1 is fixedly connected to the upper surface of the substrate, and the top end of the inner column abuts against the lower surface of the PCBA mainboard.

[0011] Preferably, an inner groove is provided on one side surface of the limit block, an L-shaped plate is slidably engaged inside the inner groove, the top of the L-shaped plate is buckled with the edge of the electromagnetic shielding plate, a limit hole is provided on the surface of the L-shaped plate, and a bolt is threadedly connected to one side surface of the limit block, and the bolt and the limit hole have the same model and specification.

[0012] Preferably, ventilation slots are provided at both ends of the fixing frame, wherein a heat dissipation air group is fixedly connected to the inner wall of one of the ventilation slots, and a grid plate is fixedly connected to the inner wall of the other ventilation slot.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. By providing a card block, when a person holds the handle and pulls the connecting plate to move, the card block will be pulled to move inside the limit block. At this time, the bottom end of the card block will be away from the edge of the PCBA mainboard, and the elastic force of the spring one is applied to the inner column, so that the PCBA mainboard is pushed out, which is convenient for disassembly of the PCBA mainboard and maintenance of electronic components fixedly connected to the surface of the PCBA mainboard. When the PCBA mainboard is fixedly installed, the PCBA mainboard is placed into the interior of the fixed frame and pressed. At this time, the edge of the PCBA mainboard abuts against the inclined surface of the card block, which will squeeze the card block to move inside the limit block. When the PCBA mainboard moves to the bottom of the card block, the elastic force of the spring two is applied to the card block, so that the card block is clamped with the edge of the PCBA mainboard, thereby completing the fixed installation of the PCBA mainboard. The mechanism is used for rapid disassembly and assembly of the PCBA mainboard during use.

[0015] 2. By providing an electromagnetic shielding sheet, the positioning heads fixedly connected at the four corners of the bottom end of the electromagnetic shielding sheet are inserted into the four corners of the fixed frame, so that the electromagnetic shielding sheet can be fixed to the top of the fixed frame, and at the same time, the L-shaped plate is slid in the inner groove so that the top of the L-shaped plate is buckled at the edge of the electromagnetic shielding sheet, and the bolt is turned so that the end of the bolt passes through the side wall of the limit block and is inserted into the limit hole, thereby fixing the position of the L-shaped plate in the inner groove, so that the top of the L-shaped plate is fixedly buckled at the top of the electromagnetic shielding sheet, thereby completing the fixed installation of the electromagnetic shielding sheet, and the provision of the electromagnetic shielding sheet can enhance the anti-electromagnetic interference capability of the equipment, solves the problem that the device itself does not have an anti-electromagnetic interference effect, and is easy to disassemble and assemble, thereby enhancing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model device;

[0017] Figure 2 This is a schematic diagram of the internal structure of the fixed frame of the utility model;

[0018] Figure 3 This is a cross-sectional structural diagram of the fixed frame of the utility model;

[0019] Figure 4 This is a schematic diagram of the limit block structure of the utility model.

[0020] In the figure: 1. Base plate; 2. Fixing frame; 3. Electromagnetic shielding sheet; 4. PCBA main board; 5. Connecting port; 6. Top column; 7. Spring 1; 8. Inner column; 9. Limit block; 10. Block; 11. Spring 2; 12. Connecting plate; 13. Handle; 14. Inner groove; 15. L-shaped plate; 16. Bolt; 17. Limit hole; 18. Ventilation slot; 19. Heat dissipation air group; 20. Grid plate. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figure 1-4 A selfie device PCBA mainboard with an anti-electromagnetic interference function comprises a substrate 1, a fixed frame 2 is fixedly connected to the upper surface of the substrate 1, an electromagnetic shielding sheet 3 is arranged on the top of the fixed frame 2, a PCBA mainboard 4 is arranged inside the substrate 1, a connecting port 5 is fixedly connected to the upper surface of the substrate 1, both side surfaces of the fixed frame 2 are fixedly connected to limiting blocks 9, a card block 10 is slidably inserted into one side surface of the limiting block 9, the card block 10 is slidably inserted into the side wall of the fixed frame 2, and the bottom end of the card block 10 abuts against the edge of the upper surface of the PCBA mainboard 4.

[0023] A second spring 11 is fixedly connected to one side surface of the clamping block 10 , and the other end of the second spring 11 is fixedly connected to the inner wall of the limiting block 9 .

[0024] Among them, the side of the card block 10 is fixedly connected with a connecting plate 12, and a handle 13 is fixedly connected to the surface of one side of the connecting plate 12. The upper surface of the base plate 1 is fixedly connected with a top column 6, and the top of the top column 6 is slidably inserted with an inner column 8. The bottom end of the inner column 8 is fixedly connected with a spring 7, and the bottom end of the spring 7 is fixedly connected to the upper surface of the base plate 1, and the top of the inner column 8 abuts against the lower surface of the PCBA mainboard 4. When a person holds the handle 13 and pulls the connecting plate 12 to move, the card block 10 will be pulled to move inside the limit block 9. At this time, the bottom end of the card block 10 will be away from the edge of the PCBA mainboard 4, and the elastic force of the spring 7 is applied to the inner column 8, thereby ejecting the PCBA mainboard 4, which is convenient for disassembly of the PCBA mainboard 4.

[0025] Among them, an inner groove 14 is opened on one side surface of the limit block 9, and an L-shaped plate 15 is slidably clamped inside the inner groove 14. The top of the L-shaped plate 15 is buckled with the edge of the electromagnetic shielding sheet 3, and a limiting hole 17 is opened on the surface of the L-shaped plate 15. A bolt 16 is threadedly connected to the one side surface of the limit block 9. The model and specification of the bolt 16 and the limiting hole 17 are consistent. The position of the sliding L-shaped plate 15 in the inner groove 14 makes the top of the L-shaped plate 15 buckled at the edge of the electromagnetic shielding sheet 3, and after rotating the bolt 16, the end of the bolt 16 passes through the side wall of the limit block 9 and is inserted into the limiting hole 17, thereby fixing the position of the L-shaped plate 15 in the inner groove 14, so that the top of the L-shaped plate 15 is fixedly buckled on the top of the electromagnetic shielding sheet 3.

[0026] Among them, ventilation slots 18 are opened at both ends of the fixing frame 2, and the inner wall of one ventilation slot 18 is fixedly connected to a heat dissipation wind group 19, and the inner wall of the other ventilation slot 18 is fixedly connected to a grid plate 20, which greatly improves the heat dissipation effect of the PCBA mainboard 4.

[0027] Working principle: when the device is in use, when a person holds the handle 13 and pulls the connecting plate 12 to move, the card block 10 will be pulled to move inside the limit block 9. At this time, the bottom end of the card block 10 will be away from the edge of the PCBA mainboard 4, and the elastic force of the spring 1 7 is applied to the inner column 8, so that the PCBA mainboard 4 is ejected, which is convenient for disassembly of the PCBA mainboard 4 and maintenance of the electronic components fixedly connected to the surface of the PCBA mainboard 4. When the PCBA mainboard 4 is fixedly installed, the PCBA mainboard 4 is placed into the interior of the fixed frame 2 and the PCBA mainboard 4 is pressed. At this time, the edge of the PCBA mainboard 4 abuts against the inclined surface of the card block 10, which will squeeze the card block 10 to move inside the limit block 9. When the PCBA mainboard 4 moves to the bottom of the card block 10, the elastic force of the spring 11 is applied Add it to the card block 10, so that the card block 10 is engaged with the edge of the PCBA mainboard 4, thereby completing the fixed installation of the PCBA mainboard 4, and the positioning heads fixedly connected at the four corners of the bottom end of the electromagnetic shielding sheet 3 are inserted into the four corners of the fixed frame 2, so that the electromagnetic shielding sheet 3 can be fixed to the top of the fixed frame 2, and at the same time, the L-shaped plate 15 is slid in the position of the inner groove 14, so that the top of the L-shaped plate 15 is buckled at the edge of the electromagnetic shielding sheet 3, and after rotating the bolt 16, the end of the bolt 16 passes through the side wall of the limit block 9 and is inserted into the limit hole 17, thereby fixing the position of the L-shaped plate 15 in the inner groove 14, so that the top of the L-shaped plate 15 is fixedly buckled at the top of the electromagnetic shielding sheet 3, thereby completing the fixed installation of the electromagnetic shielding sheet 3, and the setting of the electromagnetic shielding sheet 3 can enhance the anti-electromagnetic interference capability of the equipment.

[0028] In the description, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A selfie device PCBA motherboard with anti-electromagnetic interference function, characterized in that: The invention comprises a base plate (1), the upper surface of the base plate (1) is fixedly connected to a fixing frame (2), the top of the fixing frame (2) is provided with an electromagnetic shielding sheet (3), a PCBA mainboard (4) is provided inside the base plate (1), the upper surface of the base plate (1) is fixedly connected to a connecting port (5), both side surfaces of the fixing frame (2) are fixedly connected to limiting blocks (9), a side surface of the limiting block (9) is slidably plugged with a card block (10), the card block (10) is slidably plugged with a side wall of the fixing frame (2), and the bottom end of the card block (10) abuts against the edge of the upper surface of the PCBA mainboard (4).

2. The selfie device PCBA mainboard with anti-electromagnetic interference function according to claim 1, characterized in that: A second spring (11) is fixedly connected to a surface of one side of the clamping block (10), and the other end of the second spring (11) is fixedly connected to the inner wall of the limiting block (9).

3. The selfie device PCBA mainboard with anti-electromagnetic interference function according to claim 1, characterized in that: A connecting plate (12) is fixedly connected to the side surface of the clamping block (10), and a pull handle (13) is fixedly connected to a side surface of the connecting plate (12).

4. The selfie device PCBA mainboard with anti-electromagnetic interference function according to claim 1, characterized in that: The upper surface of the substrate (1) is fixedly connected to a top column (6), the top end of the top column (6) is slidably plugged with an inner column (8), the bottom end of the inner column (8) is fixedly connected to a spring (7), the bottom end of the spring (7) is fixedly connected to the upper surface of the substrate (1), and the top end of the inner column (8) is in contact with the lower surface of the PCBA mainboard (4).

5. The selfie device PCBA mainboard with anti-electromagnetic interference function according to claim 1, characterized in that: An inner groove (14) is provided on one side surface of the limit block (9), an L-shaped plate (15) is slidably engaged inside the inner groove (14), the top end of the L-shaped plate (15) is buckled with the edge of the electromagnetic shielding sheet (3), a limit hole (17) is provided on the surface of the L-shaped plate (15), a bolt (16) is threadedly connected to one side surface of the limit block (9), and the bolt (16) and the limit hole (17) have the same model and specification.

6. The selfie device PCBA mainboard with anti-electromagnetic interference function according to claim 1, characterized in that: Both ends of the fixed frame (2) are provided with ventilation slots (18), the inner wall of one of the ventilation slots (18) being fixedly connected to a heat dissipation air group (19), and the inner wall of the other ventilation slot (18) being fixedly connected to a grid plate (20).

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