PCB convenient to clean

Abstract

The utility model relates to a PCB convenient to clean, which comprises a circuit board body, an electronic component and a printed circuit are integrally welded on the circuit board body, and the electronic component is connected with the printed circuit and is used for transmitting signals; the dustproof shell is rotationally connected to the circuit board body, the dustproof shell is provided with a receding groove, the dustproof shell has a covering state and an opening state, when the dustproof shell is in the covering state, the electronic element is arranged in the receding groove in a covering mode, and when the dustproof shell is in the opening state, the electronic element is arranged in the receding groove in a covering mode. And rotating to one side where the electronic component is opened. According to the circuit board, the electronic components on the circuit board main body are covered with the dust, so that the circuit board main body is not prone to dust accumulation, and inconvenience caused by cleaning can be reduced.

Description

Technical Field

[0001] The present application relates to the technical field of PCB circuit boards, and in particular to a PCB circuit board that is easy to clean. Background Art

[0002] PCB circuit board is a printed circuit board that can realize the transmission needs of different signals by printing corresponding circuits and electronic components on the PCB board. It is widely used in various electrical appliances.

[0003] In the related art, when the PCB circuit board and the electrical appliance are installed, the PCB circuit board is fixed inside the electrical appliance by multiple screws. During the use of the electrical appliance, external dust will enter the interior of the electrical appliance and cause the dust to gradually accumulate on the surface of the PCB board, affecting the heat dissipation effect of the PCB circuit board.

[0004] In the above-mentioned related technologies, when cleaning the PCB, since there are relatively many components on the PCB circuit board, special attention needs to be paid during the cleaning process, which makes the cleaning process inconvenient. Utility Model Content

[0005] In order to solve the above-mentioned problems in the related art, the present application provides a PCB circuit board that is easy to clean.

[0006] The present application provides a PCB circuit board that is easy to clean and adopts the following technical solution:

[0007] A PCB circuit board that is easy to clean, comprising:

[0008] A circuit board body, with electronic components and printed circuits welded integrally thereon, wherein the electronic components are connected to the printed circuits for transmitting signals;

[0009] A dustproof shell is rotatably connected to the circuit board body, the dustproof shell is provided with a clearance groove, and the dustproof shell has a covered state and an open state. When the dustproof shell is in the covered state, the electronic component cover is set in the clearance groove, and when the dustproof shell is in the open state, it is rotated to the side where the electronic component is exposed.

[0010] By adopting the above technical solution, when the dustproof shell switches from a covered state to an open state by rotation, the circuit board body can be opened, thereby facilitating cleaning by the staff, and when the dustproof shell switches to the covered state, the circuit board body can be shielded, so that external dust is not easy to accumulate and adhere to the surface of the circuit board body, reducing the tediousness and inconvenience caused by cleaning work.

[0011] Optionally, the dustproof shell includes a connecting part and a rotating shell, the connecting part is sleeved and fixed on the circumference of the circuit board body, the rotating shell is hinged to the connecting part, and when the rotating shell rotates in different directions around the hinge, it switches to a covered state or an open state.

[0012] By adopting the above technical solution, the connecting part and the circuit board body are sleeved and fixed, so that the rotating shell is switched to a covered state or an open state when relatively rotating, so that the electronic components can be dust-proofed or opened for cleaning.

[0013] Optionally, the shape of the inner wall of the clearance groove matches the shape of the peripheral outer wall of the circuit board body, and an elastic protrusion is fixedly provided on the inner wall of the clearance groove, and the elastic protrusion is pressed against the peripheral outer wall of the circuit board body.

[0014] By adopting the above technical solution, the clearance groove and the elastic protrusion cooperate with each other, so that when the clearance groove covers the peripheral side of the circuit board body, the elastic protrusion can be squeezed with the peripheral side outer wall of the circuit board body, thereby ensuring better connection firmness between the connecting part and the circuit board body, thereby stably preventing dust from the surface of the circuit board body.

[0015] Optionally, a heat sink is fixedly provided on the surface of the rotating shell, and the heat sink passes through the rotating shell and enters the clearance groove to absorb heat and dissipate heat toward the outside.

[0016] By adopting the above technical solution, the setting of the heat sink enables the rotating shell to absorb the heat in the give way groove and dissipate it toward the outside, thereby preventing the circuit board body from overheating due to the dustproof cover of the rotating shell on the circuit board body, which helps to keep the temperature of the circuit board body within a normal range.

[0017] Optionally, a clearance hole is opened on the diagonal surface of the rotating shell, and the clearance hole is aligned with the through hole on the circuit board body.

[0018] By adopting the above technical solution, the opening of the clearance hole can provide corresponding clearance space when the circuit board body is installed and fixed, so that the circuit board body is not easily obstructed when being installed and fixed.

[0019] Optionally, a gripping protrusion is fixedly provided on the surface of the rotating shell.

[0020] By adopting the above technical solution, the provision of the gripping protrusion enables the rotating shell to be gripped by a person, so that the person can have a better grip when driving the rotating shell, which facilitates the rotation of the driving shell.

[0021] Optionally, the dustproof shell is made of transparent material.

[0022] By adopting the above technical solution, the use of transparent materials allows the dustproof housing to clearly observe the specific conditions of the internal PCB circuit board, so as to know whether there is dust accumulation on the PCB circuit board, which is convenient for timely cleaning.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. When the dustproof housing is switched from the closed state to the open state by rotation, the circuit board body can be opened, so that it is convenient for the staff to clean it. When the dustproof housing is switched to the closed state, the circuit board body can be shielded, so that external dust is not easy to accumulate and adhere to the surface of the circuit board body, reducing the tediousness and inconvenience caused by the cleaning work;

[0025] 2. The clearance groove and the elastic protrusion cooperate with each other, so that when the clearance groove covers the peripheral side of the circuit board body, the elastic protrusion can be pressed against the peripheral side outer wall of the circuit board body, so that the connection between the connecting part and the circuit board body has a better connection firmness, so that the surface of the circuit board body can be stably dustproof;

[0026] 3. The setting of the heat sink enables the rotating shell to absorb the heat in the give way slot and dissipate it outward, thereby preventing the circuit board body from overheating due to the dust cover provided by the rotating shell on the circuit board body, and helping to keep the temperature of the circuit board body within a normal range. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is an exploded view of the circuit board body and the dustproof shell in this application.

[0028] Figure 2 It is a schematic diagram of the structure when the dustproof housing in the present application is in an open state.

[0029] Figure 3 It is an exploded view of the connecting part and the rotating shell in this application.

[0030] Figure 4 yes Figure 3 Enlarged view of point A in the middle.

[0031] Explanation of the reference numerals: 1. Circuit board body; 11. Printed circuit; 12. Electronic component; 13. Through hole; 2. Dustproof shell; 21. Connecting portion; 211. Clearance groove; 212. Elastic protrusion; 213. Inclined extrusion surface; 214. Hinge groove; 215. Hinge hole; 22. Rotating shell; 221. Hinge protrusion; 222. Hinge protrusion shaft; 223. Clearance hole; 24. Grip portion; 3. Heat sink. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] The present application embodiment discloses a PCB circuit board that is easy to clean. Figure 1 The PCB circuit board that is easy to clean includes a circuit board body 1 and a dustproof shell 2. Electronic components 12 and printed circuits 11 are welded on the circuit board body 1. The dustproof shell 2 is rotatably connected to one side of the PCB circuit board. When rotating, the dustproof shell 2 is covered or opened so that the circuit board body 1 can be covered for dust prevention or opened for dust cleaning. When the dustproof shell 2 covers the circuit board body 1, the probability of dust contacting and adhering to the circuit board body 1 can be reduced, the cleaning work can be reduced, and thus the tediousness and inconvenience caused by the cleaning work can be reduced.

[0034] Reference Figure 1 and Figure 2 The dustproof shell 2 includes a connecting portion 21 and a rotating shell 22. The connecting portion 21 is arranged in a ring shape. The rotating shell 22 is connected to the connecting portion 21 and can rotate in the vertical direction around the connecting portion 21. When rotating, the rotating shell 22 has a covering state and an opening state. When in the covering state, the rotating shell 22 and the connecting portion 21 are on the same plane. When the rotating shell 22 is in the opening state, the rotating shell 22 rotates to the side that does not block the circuit board body 1.

[0035] Among them, refer to Figure 2 and Figure 3 It should be further explained that the connection part 21 is provided with a clearance groove 211, and the inner wall shape of the clearance groove 211 is consistent with the outer wall shape of the peripheral side of the circuit board body 1, so that the clearance groove 211 can be set on the peripheral side of the circuit board body 1, and the inner wall of the clearance groove 211 is fixedly provided with an elastic protrusion 212, which is made of elastic plastic material and has a certain elastic deformation. When the connection part 21 is set on the peripheral side of the circuit board body 1, the elastic protrusion 212 and the adjacent side wall of the circuit board body 1 are squeezed, thereby generating a squeezing friction force, so that the connection part 21 and the circuit board body 1 are not easy to be separated, and have good connection firmness. Among them, the surface of the elastic protrusion 212 is provided with an inclined squeezing surface 213. When the circuit board body 1 is gradually embedded in the clearance groove 211, the squeezing force between the squeezing inclined surface and the circuit board body 1 gradually increases.

[0036] In addition, refer to Figure 3The connecting portion 21 is provided with a hinge groove 214, and a hinge protrusion 221 is fixedly provided on the side wall of the rotating shell 22 near the hinge groove 214. The two opposite side walls of the hinge protrusion 221 are integrally provided with hinge convex shafts 222. The two parallel inner walls of the hinge groove are provided with hinge holes 215. The hinge convex shafts 222 are embedded in and rotatably connected to the corresponding hinge holes 215, so that a rotational connection in the vertical direction is formed between the rotating shell 22 and the connecting portion 21.

[0037] Reference Figure 3 A gripping portion 24 is fixedly provided on the surface of the rotating shell 22 , and the gripping portion 24 is for a person to grasp, so as to facilitate applying a force to the rotating shell 22 to complete the rotation control of the rotating shell 22 .

[0038] Reference Figure 1 and Figure 2 When the rotating shell 22 covers the surface of the circuit board body, a heat sink 3 is fixedly provided on the surface of the rotating shell 22 away from the circuit board body 1. The heat sink 3 is made of a heat dissipating metal material, and the heat sink 3 passes through the rotating shell 22 and communicates with the give-way groove 211, so that the heat sink 3 can absorb the heat in the give-way groove 211 and transfer it to the outside of the give-way groove 211, so that the circuit board body 1 is not easy to overheat and cause aging of the electronic components 12. Among them, the circuit board body 1 is printed with a corresponding printed circuit 11 and welded with an electronic component 12, so that the circuit board body 1 can perform corresponding signal transmission and processing. The specific electronic component 12 is set by the staff according to the needs and actual conditions, and will not be described in detail in this embodiment. In addition, the rotating shell 22 is made of a transparent rubber material, so that the personnel can observe the surface of the internal circuit board body 1 through the rotating shell 22, so as to know in time whether the dust needs to be cleaned.

[0039] Reference Figure 1 The four diagonal portions of the circuit board body 1 are provided with corresponding through holes 13 for the screw rods to pass through and be threadedly connected with the corresponding electrical appliances. In order to facilitate the disassembly of the circuit board body 1, the four diagonal portions of the rotating shell 22 are provided with corresponding clearance holes 223. The number of the clearance holes 223 is aligned with the through holes 13 on the circuit board body 1, so that the screws can be directly screwed and disassembled.

[0040] The implementation principle of a PCB circuit board that is easy to clean in an embodiment of the present application is as follows: by switching the rotating shell 22 to a covering state, the rotating shell 22 can seal and cover the circuit board body 1, so that dust is not easy to adhere to and accumulate on the surface of the circuit board body 1, reducing the inconvenience caused by the cleaning work. When external dust enters through small gaps and accumulates on the surface of the circuit board body 1, the rotating shell 22 is rotated to an open state to open the circuit board body 1, so that the dust is convenient to clean.

[0041] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A PCB circuit board that is easy to clean, characterized in that: include: A circuit board body (1) having an electronic component (12) and a printed circuit (11) integrally welded thereto, wherein the electronic component (12) is connected to the printed circuit (11) for transmitting signals; A dustproof shell (2) is rotatably connected to the circuit board body (1); the dustproof shell (2) is provided with a clearance groove (211); the dustproof shell (2) has a closed state and an open state; when the dustproof shell (2) is in the closed state, the electronic component (12) is covered in the clearance groove (211); when the dustproof shell (2) is in the open state, the dustproof shell (2) is rotated to a side where the electronic component (12) is exposed.

2. The PCB circuit board that is easy to clean according to claim 1, characterized in that: The dustproof housing (2) comprises a connecting portion (21) and a rotating housing (22); the connecting portion (21) is sleeved and fixed on the peripheral side of the circuit board body (1); the rotating housing (22) is hinged to the connecting portion (21); when the rotating housing (22) rotates in different directions around the hinge, it switches to a closed state or an open state.

3. The PCB circuit board that is easy to clean according to claim 2, characterized in that: The shape of the inner wall of the clearance groove (211) matches the shape of the peripheral outer wall of the circuit board body (1), and an elastic protrusion (212) is fixedly provided on the inner wall of the clearance groove (211), and the elastic protrusion (212) is pressed against the peripheral outer wall of the circuit board body (1).

4. The PCB circuit board that is easy to clean according to claim 2, characterized in that: A heat sink (3) is fixedly provided on the surface of the rotating shell (22); the heat sink (3) passes through the rotating shell (22) and enters the clearance groove (211) to absorb heat and dissipate heat toward the outside.

5. The easy-to-clean PCB circuit board according to claim 2, characterized in that: A clearance hole (223) is provided on the diagonal surface of the rotating shell (22), and the clearance hole (223) is aligned with the through hole (13) on the circuit board body (1).

6. The easy-to-clean PCB circuit board according to claim 2, characterized in that: A gripping convex portion is fixedly arranged on the surface of the rotating shell (22).

7. The easy-to-clean PCB circuit board according to claim 1, characterized in that: The dustproof housing (2) is made of transparent material.

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