CN219628104U

CN219628104U - Dustproof PCBA mainboard

Info

Publication number: CN219628104U
Application number: CN202320558485.0U
Authority: CN
Inventors: 谢钦华
Original assignee: Shenzhen Haohai Video Technology Co ltd
Current assignee: Shenzhen Haohai Video Technology Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-09-01
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a dustproof PCBA main board, which comprises a mounting box, a dust cover, a pull ring, a buffer plate, a PCBA main board, a mounting plate, a cleaning brush, a pull rod and a dust screen.

Description

Dustproof PCBA mainboard

Technical Field

The utility model relates to the technical field of dust-proof PCBA mainboards, in particular to a dust-proof PCBA mainboard.

Background

PCBA is also called a printed circuit board, and the printed circuit board is an important electronic component, is a supporting body of an electronic element, is a provider for connecting circuits of the electronic element, is called a printed circuit board because the PCBA is manufactured by adopting an electronic printing technology, and is connected directly by wires to form a complete circuit before the printed circuit board appears, and the circuit board exists only as an effective experimental tool at present, so that the printed circuit board has taken an absolute dominant position in the electronic industry, and is particularly important for controlling and improving the production qualification rate and controlling the detection work of quality stability.

Through retrieval, chinese patent No. 216565729U discloses a dustproof PCBA mainboard for a sound box, the dustproof PCBA mainboard comprises a mainboard, side frames are respectively installed on two symmetrical sides of the mainboard, clamping grooves are respectively formed in the two side frames, side grooves are respectively formed in one sides, close to the clamping grooves, of the two side frames, clamping frames are respectively installed in the two clamping grooves, a dust cover is installed between the two clamping frames, insertion holes are formed in one sides, close to the clamping grooves, of the clamping frames, and springs are installed in the side grooves. According to the utility model, the clamping frame is inserted into the clamping groove in the side frame, the spring in the side groove is used for pushing the inserting rod, so that the inserting rod is inserted into the inserting hole in the clamping frame, the clamping frame and the dust cover are fixed, when the dust cover is required to be disassembled, the inserting rod is only required to be pressed, when the dust cover is required to be disassembled, a great amount of time is not required to be wasted for cleaning soldering tin, the disassembly difficulty of the dust cover is greatly reduced, and the disassembly efficiency of the dust cover is improved.

The prior device has the following defects when in use: the existing PCBA mainboard can ensure the radiating effect of the PCBA mainboard and also can block dust from entering the mainboard by installing the dustproof net at the radiating opening, but after one end of use time of the dustproof net, the dustproof net is easy to be blocked by dust, so that the ventilation inside the PCBA mainboard is influenced, and the radiating effect of the PCBA mainboard is reduced.

Disclosure of Invention

The utility model aims to provide a dustproof PCBA main board so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dust protected PCBA mainboard, includes mounting box, shield, pull ring, buffer board, PCBA mainboard, mounting panel, cleaning brush, pull rod and dust screen, install the PCBA mainboard in the mounting box, install the shield on the mounting box, set up the heat dissipation window on the shield, install the dust screen on the heat dissipation window, the mounting panel is installed to the below that is located the dust screen in the shield, install the cleaning brush on the top surface of mounting panel, install the pull rod on the mounting panel, the pull ring is installed to the one end of pull rod, install spring B between mounting panel and the shield.

Preferably, the dust cover is provided with a slot, the slot is connected with the pull rod in a sliding way, and the diameter of the slot is smaller than that of the pull ring.

Preferably, an auxiliary rod is arranged on the mounting plate, and one end of the auxiliary rod is in sliding connection with a sliding groove formed in the dust cover.

Preferably, a spring A is arranged in the mounting box, a buffer plate is arranged at the top end of the spring A, and the top surface of the buffer plate abuts against the bottom surface of the PCBA main board.

Preferably, the brush on the cleaning brush is propped against the holes on the dust screen.

Preferably, the installation box is fixedly connected with the dust cover through a clamping groove.

Preferably, a heat conducting plate is mounted at the bottom of the mounting box.

Compared with the prior art, the utility model has the beneficial effects that: when the dust screen of installing on the heat dissipation window uses one end time to have the jam to need the clearance, at first inverts the installation box and makes the dust cover downwards, then outwards pulls the pull ring, drive the pull rod in the dust cover and remove, thereby make the mounting panel of pull rod one end remove, loosen pull ring cooperation spring B, make the mounting panel reset, the cleaning brush of installing on the mounting panel top surface can be in the below reciprocating motion of dust screen like this, cleaning brush cleans out the dust in the hole on the dust screen and falls outside, avoid the dust screen to be blocked up the problem that influences the inside air circulation of PCBA mainboard by the dust after using one end time, conveniently clear up the dust screen, the radiating effect of PCBA mainboard has been improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic elevational view of the present utility model.

Fig. 3 is a schematic cross-sectional structure of the present utility model.

Fig. 4 is a schematic side view of the present utility model.

In the figure: 1. a mounting box; 2. a dust cover; 3. a heat conductive plate; 4. a pull ring; 5. a spring A; 6. a buffer plate; 7. PCBA main board; 8. a spring B; 9. a mounting plate; 10. an auxiliary lever; 11. cleaning a brush; 12. a pull rod; 13. a slot hole; 14. a heat dissipation window; 15. a dust screen; 16. and a sliding groove.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3 and 4, in an embodiment of the present utility model, a dust-proof PCBA motherboard includes a mounting box 1, a dust cover 2, a pull ring 4, a buffer plate 6, a PCBA motherboard 7, a mounting plate 9, a cleaning brush 11, a pull rod 12 and a dust screen 15, wherein the PCBA motherboard 7 is mounted in the mounting box 1, the dust cover 2 is mounted on the mounting box 1, a heat dissipation window 14 is provided on the dust cover 2, the dust screen 15 is mounted on the heat dissipation window 14, the mounting plate 9 is mounted below the dust screen 15 in the dust cover 2, the cleaning brush 11 is mounted on the top surface of the mounting plate 9, the pull rod 12 is mounted on the mounting plate 9, the pull ring 4 is mounted at one end of the pull rod 12, the spring B8 is mounted between the mounting plate 9 and the dust cover 2, when the dust screen 15 mounted on the heat dissipation window 14 is blocked and needs cleaning when one end of the dust screen 15 is used, firstly, the installation box 1 is inverted to enable the dust cover 2 to be downward, then the pull ring 4 is pulled outwards to drive the pull rod 12 in the dust cover 2 to move, so that the installation plate 9 at one end of the pull rod 12 moves, the pull ring 4 is loosened to be matched with the spring B8 to reset the installation plate 9, thus the cleaning brush 11 arranged on the top surface of the installation plate 9 can reciprocate below the dust screen 15, the cleaning brush 11 cleans dust in holes on the dust screen 15 to fall outside, the problem that the dust screen 15 is blocked by the dust to influence the ventilation in the PCBA main board after one end of use time is avoided, the cleaning of the dust screen 15 is facilitated, the heat dissipation effect of the PCBA main board is improved, the slotted hole 13 is formed in the dust cover 2 and is in sliding connection with the pull rod 12, the diameter of the slotted hole 13 is smaller than the diameter of the pull ring 4, the auxiliary rod 10 is arranged on the installation plate 9, the utility model discloses a dust-proof device for a dust-proof device, including installation box 1, buffer plate 6 is installed on the top of spring A5, the top surface of buffer plate 6 offsets with the bottom surface of PCBA mainboard 7, brush on the cleaning brush 11 offsets with the hole on the dust screen 15, through buckle draw-in groove fixed connection between installation box 1 and the dust cover 2, heat-conducting plate 3 is installed to the bottom of installation box 1, spout 16 sliding connection that sets up on auxiliary rod 10 one end and the dust cover 2, install spring A5 in the installation box 1.

The working principle of the utility model is as follows: when the dust screen 15 installed on the heat dissipation window 14 is blocked and needs to be cleaned in one end, the installation box 1 is inverted to enable the dust cover 2 to be downward, then the pull ring 4 is pulled outwards to drive the pull rod 12 in the dust cover 2 to move, so that the installation plate 9 at one end of the pull rod 12 moves, the pull ring 4 is loosened to be matched with the spring B8 to reset the installation plate 9, the cleaning brush 11 installed on the top surface of the installation plate 9 can reciprocate below the dust screen 15, and therefore dust in holes on the dust screen 15 is cleaned out and falls outside by the cleaning brush 11, the problem that the dust screen 15 is blocked by the dust after one end of use to influence the air circulation inside a PCBA main board is avoided, cleaning of the dust screen 15 is facilitated, and the heat dissipation effect of the PCBA main board is improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a dust protected PCBA mainboard, includes mounting box (1), shield (2), pull ring (4), buffer board (6), PCBA mainboard (7), mounting panel (9), cleaning brush (11), pull rod (12) and dust screen (15), its characterized in that: install PCBA mainboard (7) in installation box (1), install shield (2) on installation box (1), set up heat dissipation window (14) on shield (2), install dust screen (15) on heat dissipation window (14), install mounting panel (9) in the below that is located dust screen (15) in shield (2), install cleaning brush (11) on the top surface of mounting panel (9), install pull rod (12) on mounting panel (9), pull ring (4) are installed to one end of pull rod (12), install spring B (8) between mounting panel (9) and shield (2).

2. A dust protected PCBA motherboard as claimed in claim 1, wherein: the dustproof cover (2) is provided with a slotted hole (13), the slotted hole (13) is in sliding connection with the pull rod (12), and the diameter of the slotted hole (13) is smaller than that of the pull ring (4).

3. A dust protected PCBA motherboard as claimed in claim 1, wherein: an auxiliary rod (10) is arranged on the mounting plate (9), and one end of the auxiliary rod (10) is in sliding connection with a sliding groove (16) formed in the dust cover (2).

4. A dust protected PCBA motherboard as claimed in claim 1, wherein: install spring A (5) in installation box (1), buffer board (6) are installed on the top of spring A (5), the top surface of buffer board (6) offsets with the bottom surface of PCBA mainboard (7).

5. A dust protected PCBA motherboard as claimed in claim 1, wherein: the brush on the cleaning brush (11) is propped against the holes on the dustproof net (15).

6. A dust protected PCBA motherboard as claimed in claim 1, wherein: the mounting box (1) is fixedly connected with the dust cover (2) through a clamping groove.

7. A dust protected PCBA motherboard as claimed in claim 1, wherein: the bottom of the installation box (1) is provided with a heat conducting plate (3).