Anti-loosening PCBA circuit board

Abstract

The utility model discloses an anti-loosening PCBA circuit board comprising bottom plates and a circuit board body, the two sides of the circuit board body are provided with the bottom plates, the bottom plates are provided with pressing grooves, the pressing grooves are provided with pressing plates, springs are arranged between the pressing plates and the pressing grooves, the circuit board body is installed on the pressing plates, the bottom of each pressing plate is rotatably connected with a connecting rod, and one end, far away from the corresponding pressing plate, of each connecting rod is provided with a clamping plate. According to the PCBA mainboard, the stability of the circuit board body during fixing is greatly enhanced through the automatically-fastened clamping plates, the durability and the maintenance convenience of the PCBA board are improved through the replaceable clamping plates, the heat conduction layer is arranged on the upper surface of the PCBA mainboard body, and the heat dissipation efficiency is improved; and meanwhile, the waterproof performance of the PCBA mainboard is improved through the arranged waterproof layer.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board equipment field, concretely is a kind of anti-loose PCBA circuit board. BACKGROUND

[0002] With the wide application of electronic equipment, PCBA circuit board realizes the function of electronic circuit by printing circuit on insulating substrate and installing electronic components on it, and the anti-interference design is the key to ensure the stability and reliability of electronic products. Reasonable layout design, selection of suitable materials, use of shielding technology and optimization of power supply design can effectively reduce electromagnetic interference and radio frequency interference and improve the anti-interference ability of circuit board.

[0003] The patent with publication number CN209930754U discloses a circuit board that prevents loosening and falling off, which includes a through hole formed on the circuit board; the through hole and the fixing sleeve are coaxially arranged; the positioning column passes through the fixing sleeve; the positioning column is provided with a concave ring on the column body; a rubber ring is arranged in the concave groove; a connecting strip is arranged on the rotating shaft; the connecting strip is rotationally connected with the rotating shaft; a small spring is arranged between the two connecting strips; a steel cable is fixed on the connecting strip; one of the steel cables passes through one of the wire holes and is fixedly connected with one of the small balls; the other steel cable passes through the other wire hole and is fixedly connected with the other small ball. When the utility model is used, in this structure, when the circuit board needs to be removed or installed, the screw thread structure does not need to be damaged again, which facilitates the repeated disassembly and assembly of the circuit board and the plastic shell and facilitates the maintenance of the circuit board.

[0004] As known from the above application, the traditional PCBA circuit board is prone to loosening when subjected to vibration or external force, which leads to unstable circuit connection and affects the normal operation of the equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of anti-loose PCBA circuit board to solve the technical problem that traditional PCBA circuit board is prone to loosening when subjected to vibration or external force, which leads to unstable circuit connection and affects the normal operation of the equipment.

[0006] To achieve the above-mentioned purpose, the utility model adopts the main technical scheme: an anti-loose PCBA circuit board, comprising a bottom plate and a circuit board body, the two sides of the circuit board body are provided with a bottom plate, a pressing groove is formed on the bottom plate, a pressing plate is arranged on the pressing groove, a spring is arranged between the pressing plate and the pressing groove, the circuit board body is installed on the pressing plate, a connecting rod is rotationally connected to the bottom of the pressing plate, and a clamping plate is arranged at the end of the connecting rod away from the pressing plate.

[0007] As a further scheme of the utility model, at least three connecting rods are arranged between the pressing plate and the clamping plate.

[0008] As a further scheme of the utility model, spring pins are arranged in the pressing grooves, and pin holes are arranged in the side walls of the pressing plates, and the spring pins are inserted into the pin holes when the pressing plates are pressed down.

[0009] As a further scheme of the utility model, the bottom of the clamping plate is provided with an antiskid pad, and the antiskid pad is a rubber antistatic antiskid pad.

[0010] As a preferred further scheme of the utility model, threaded holes are arranged on the bottom plate and the circuit board body, a fixing hole is arranged on the pressing plate, the fixing hole is communicated with the threaded holes, and the pressing plate is fixedly connected through screws.

[0011] As a preferred further scheme of the utility model, the clamping plate is a replaceable clamping plate.

[0012] As a further preferred scheme of the utility model, the surfaces of the bottom plate, the pressing plate, the clamping plate and the circuit board body are coated with a heat-conducting coating.

[0013] As a preferred scheme of the utility model, the surfaces of the bottom plate, the pressing plate, the clamping plate and the circuit board body are coated with a waterproof coating.

[0014] Compared with the prior art, the anti-loosening PCBA circuit board has the following beneficial effects: the clamping plate is automatically buckled, the stability of the circuit board body during fixing is greatly enhanced, the replaceable clamping plate improves the durability and maintenance convenience of the PCBA board, the heat-conducting layer arranged on the upper surface of the PCBA main plate body improves the heat dissipation efficiency, and the waterproof layer improves the waterproof performance of the PCBA main plate. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the application, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only cases of the embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Fig. 1 It is a side view structural schematic diagram of the utility model embodiment;

[0017] Fig. 2 It is a side view structural schematic diagram of the utility model embodiment when buckling;

[0018] Fig. 3 It is a top view structural schematic diagram of the utility model embodiment.

[0019] Reference numerals: 10, bottom plate; 11, pressing groove; 111, spring; 112, spring pin; 12, threaded hole; 20, pressing plate; 201, pin hole; 21, connecting rod; 22, clamping plate; 23, non-slip pad; 24, fixing hole; 30, circuit board body; 40, screw. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the embodiments of the present application are further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0021] In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "front", "back", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the embodiments of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0022] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, integrally connected, or detachably connected; it can be the communication between the two elements; it can be directly connected, or indirectly connected through an intermediate medium; for those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0023] Reference Figs. 1-3As shown, the utility model discloses a kind of anti-loosening PCBA circuit board, including bottom plate 10 and circuit board body 30, both sides of circuit board body 30 are equipped with bottom plate 10, bottom plate 10 is equipped with press groove 11, press groove 11 is equipped with pressing plate 20, spring 111 is equipped between pressing plate 20 and press groove 11, circuit board body 30 is installed on pressing plate 20, pressing plate 20 bottom rotation is connected with connecting rod 21, one end of connecting rod 21 away from pressing plate 20 is equipped with clamping plate 22, clamping plate 22 is replaceable clamping plate, clamping plate 22 bottom is equipped with antiskid pad 23, antiskid pad 23 is rubber anti-static antiskid pad, at least three connecting rods 21 are provided between pressing plate 20 and clamping plate 22, the stability of pressing plate 20 and clamping plate 22 connection is enhanced, spring pin 112 is equipped in press groove 11, pressing plate 20 side wall is equipped with pin hole 201, when pressing plate 20 is pressed, spring pin 112 is inserted into pin hole 201 correspondingly, thread hole 12 is equipped on bottom plate 10 and circuit board body 30, fixed hole 24 is equipped on pressing plate 20, fixed hole 24 is communicated with thread hole 12, and can be fixedly connected by screw 40, bottom plate 10, pressing plate 20, clamping plate 22 and circuit board body 30 surface are all coated with heat-conducting coating, bottom plate 10, pressing plate 20, clamping plate 22 and circuit board body 30 surface are all coated with waterproof coating.

[0024] When installing, circuit board body 30 presses pressing plate 20 and spring 111, and makes spring pin 112 insert into pin hole 201, and pressing plate 20 drives connecting rod 21 to rotate, so that clamping plate 22 presses and clamps circuit board body 30, and then is fixed by screw 40 through fixed hole 24 and thread hole 12.

[0025] The utility model discloses an automatic buckle's clamping plate 22, greatly enhance the stability of circuit board body 30 when fixed, replaceable clamping plate 22 improves the durability and maintenance convenience of PCBA board, and heat-conducting layer is arranged on the upper surface of PCBA main plate body, improves heat dissipation efficiency;Waterproof layer is arranged simultaneously, improves the waterproof performance of PCBA main plate.

[0026] Automatic buckle mechanism: when circuit board body 30 is placed on pressing plate 20, it presses pressing plate 20 and spring 111.This action makes that pressing plate 20 has certain elasticity under the action of spring, can adapt to the thickness change of circuit board body 30, and simultaneously, the downward movement of pressing plate 20 drives the rotation of connecting rod 21, and then makes clamping plate 22 press and clamp circuit board body 30.This automatic buckle mechanism not only simplifies installation process, but also greatly improves the stability of circuit board body 30 when fixed.

[0027] Spring pin locking: To further enhance the stability of the fixation, a spring pin 112 is provided inside the pressure groove 11. When the pressure plate 20 is pressed to a certain position, the spring pin 112 will correspondingly insert into the pin hole 201 on the side wall of the pressure plate 20, thereby locking the position of the pressure plate 20. This design not only prevents accidental movement of the pressure plate 20 under external force, but also improves the stability of the entire structure.

[0028] Screw fixation: In addition to the automatic buckling and spring pin locking mechanism described above, the design also further fixes through the screw 40 passing through the fixing hole 24 and the threaded hole 12. This multiple fixation method ensures the absolute stability of the circuit board body 30 during installation, avoiding circuit failure or damage due to looseness.

[0029] Replaceable clamping plate: The clamping plate 22 is designed to be replaceable, which not only improves the durability of the PCBA board, but also makes it easy to replace when the clamping plate is worn or damaged, thereby prolonging the service life of the entire circuit board.

[0030] Thermal conductive coating: Thermal conductive coating is a special coating specially used to improve the thermal conductivity of materials. In this design, thermal conductive coating is coated on the surface of the base plate 10, the pressure plate 20, the clamping plate 22 and the circuit board body 30. This coating is usually made of materials with high thermal conductivity, such as graphene, carbon nanotubes or thermal conductive silicone grease, etc. These materials can effectively transfer the heat generated by the circuit board during operation to the surrounding heat dissipation medium, thereby improving the heat dissipation efficiency and ensuring the stable operation of the circuit board.

[0031] Waterproof coating: Waterproof coating is a special coating that can prevent water from penetrating into the material. In this design, waterproof coating is also coated on the surface of the base plate 10, the pressure plate 20, the clamping plate 22 and the circuit board body 30. This coating is usually made of materials with excellent waterproof performance, such as polyurethane, acrylic or silicone rubber, etc. These materials can effectively prevent the penetration of water and moisture, thereby protecting the circuit board from water erosion and damage, and improving the waterproof performance of the PCBA mainboard.

[0032] In summary, the embodiments of the present application ensure the stability and durability of the circuit board body during installation and use, while improving the heat dissipation efficiency and waterproof performance.

[0033] The above shows and describes the basic principles of the present application, and the above is only the preferred embodiment of the present application, and does not limit the present application. The above embodiments and descriptions in the specification are only to illustrate the principles of the present application, and any modification, equivalent replacement and improvement made within the scope and spirit of the present application shall be included in the protection scope of the present application.

Claims

1. A loose-tight PCBA circuit board, characterized in that: Including the bottom plate (10) and circuit board body (30), both sides of the circuit board body (30) are provided with the bottom plate (10), the bottom plate (10) is provided with a pressing groove (11), the pressing groove (11) is provided with a pressing plate (20), the pressing plate (20) and the pressing groove (11) are provided with a spring (111), the circuit board body (30) is installed on the pressing plate (20), the bottom of the pressing plate (20) is rotatably connected with a connecting rod (21), and the connecting rod (21) is provided with a clamping plate (22) away from the pressing plate (20).

2. The anti-loosening PCBA circuit board according to claim 1, characterized in that: At least three connecting rods (21) are arranged between the pressing plate (20) and the clamping plate (22).

3. The anti-loosening PCBA circuit board according to claim 2, characterized in that: The pressing groove (11) is provided with a spring pin (112), and the side wall of the pressing plate (20) is provided with a pin hole (201); when the pressing plate (20) is pressed down, the spring pin (112) is inserted into the pin hole (201) correspondingly.

4. The anti-loosening PCBA circuit board according to claim 3, characterized in that: The bottom of the clamping plate (22) is provided with an antiskid pad (23), and the antiskid pad (23) is a rubber antistatic antiskid pad.

5. The anti-loosening PCBA circuit board according to claim 1, characterized in that: The bottom plate (10) and the circuit board body (30) are provided with threaded holes (12), the pressing plate (20) is provided with a fixing hole (24), the fixing hole (24) is communicated with the threaded hole (12), and the fixing hole (24) and the threaded hole (12) are fixedly connected through a screw (40).

6. The anti-loosening PCBA circuit board according to claim 1, characterized in that: The clamping plate (22) is a replaceable clamping plate.

7. The anti-loosening PCBA circuit board according to claim 6, characterized in that: The surfaces of the bottom plate (10), the pressing plate (20), the clamping plate (22) and the circuit board body (30) are coated with a heat-conducting coating.

8. The anti-loosening PCBA circuit board according to claim 1, characterized in that: The surfaces of the bottom plate (10), the pressing plate (20), the clamping plate (22) and the circuit board body (30) are coated with a waterproof coating.

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