CN217160181U

CN217160181U - Dustproof printed circuit board

Info

Publication number: CN217160181U
Application number: CN202123399498.8U
Authority: CN
Inventors: 黄山; 赵政华
Original assignee: Sichuan Meijiesen Circuit Technology Co ltd
Current assignee: Sichuan Meijiesen Circuit Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-09
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a dustproof printed circuit board, which belongs to the technical field of printed circuit boards and comprises a shell, wherein the bottom of the inner cavity of the shell is slidably connected with a circuit board body, one side of the inner cavity of the shell is provided with a servo motor, an output shaft of the servo motor is provided with a lead screw, and one end of the lead screw is rotatably connected with the other side of the inner cavity of the shell through a bearing seat; through servo motor, the lead screw, the movable block, clean brush and elevating system's setting, when needing to carry out the dust clearance to the circuit board body, drive the circuit board body through elevating system and remove, make the top of circuit board body and the bottom laminating of clean brush, then start servo motor through peripheral hardware controller, servo motor passes through the lead screw, the movable block drives clean brush and carries out reciprocating motion, clean brush can carry out the dust clearance to the top of circuit board body and the top of shell inner chamber, the efficiency of dust clearance has been improved.

Description

Dustproof printed circuit board

Technical Field

The utility model relates to a printed circuit board technical field specifically is a dustproof printed circuit board.

Background

Printed circuit boards, also known as printed circuit boards, are providers of electrical connections for electronic components and are classified into single-sided boards, double-sided boards, four-sided boards, six-sided boards, and other multi-layered boards according to the number of layers of the boards.

CN212259645U discloses a dustproof printed circuit board, comprising: a substrate; the dustproof plate is provided with a plurality of radiating holes; a dust removal assembly, the dust removal assembly comprising: a fixed plate, a movable plate, a spring, and a cleaning block. The utility model discloses in, the dust guard is installed and can be prevented that the dust from piling up on the circuit board surface in the base plate top, and the detachable dust guard can conveniently be dismantled after long-time the use and get off cleanly, through the slip fly leaf, drives clean piece and scrapes the clear ash on the dust guard surface, and the fly leaf is automatic re-setting under the elastic force effect of spring after the clear dust is accomplished, convenient and fast, and the heat dissipation of the louvre circuit board of being convenient for on the dust guard simultaneously guarantees the circuit board performance.

In the above-mentioned patent, when carrying out the dust clearance to the circuit board, then need artifical manual slip fly leaf, drive the cleaning block through the fly leaf and scrape at the dust guard surface and sweep the clear ash, and the cleaning block can only scrape the dust of sweeping the dust guard top, can only clear up through dismantling the dust guard at the dust guard of dust guard bottom, wastes time and energy, has reduced the efficiency of circuit board dust clearance, and consequently, we need propose a dustproof printed circuit board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dustproof printed circuit board possesses the advantage that can carry out the dust clearance to the circuit board automatically to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dustproof printed circuit board, includes the shell, the bottom sliding connection of shell inner chamber has the circuit board body, servo motor is installed to one side of shell inner chamber, the lead screw is installed to servo motor's output shaft, the one end of lead screw passes through the bearing frame with the opposite side of shell inner chamber and rotates to be connected, the surperficial threaded connection of lead screw has the movable block, clean brush is all installed to the top and the bottom of movable block, both ends all are provided with elevating system around the shell inner chamber both sides, the both sides at shell top all are provided with heat dissipation mechanism.

Preferably, the heat dissipation mechanism includes a fixed pipe, the bottom of the fixed pipe is communicated with the top of the shell, and the inner cavity of the fixed pipe is provided with the heat dissipation fan.

Preferably, elevating system includes electric telescopic handle, electric telescopic handle's top is connected with the top of shell inner chamber, the connecting plate is installed to electric telescopic handle's flexible end, bolt fixed connection is passed through with the top of circuit board body in the bottom of connecting plate.

Preferably, the top of fixed pipe has seted up the louvre at the equidistance, the top of shell just is located the corresponding department of fixed pipe and inlays and be equipped with the filter screen.

Preferably, the slider is all installed at the front and back both ends of circuit board body both sides, the both sides of shell inner chamber and the department that corresponds that is located the slider have seted up the spout, the surface of slider and the inner chamber sliding connection of spout.

Preferably, the top of the moving block is provided with a limiting block, the top end of the limiting block penetrates through the top of the moving block and the cleaning brush and extends to the outside of the cleaning brush, a limiting groove is formed in the top of the shell and located at the corresponding position of the limiting block, and the surface of the limiting block is in sliding connection with the inner cavity of the limiting groove.

Preferably, the bottom of shell both sides all installs the fixed plate, the fixed orifices has all been seted up to both sides around the fixed plate top.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting of servo motor, lead screw, movable block, cleaning brush and elevating system, when needing to carry out dust clearance to the circuit board body, drive the circuit board body through elevating system and remove, make the top of circuit board body and the bottom laminating of cleaning brush, then start servo motor through the peripheral hardware controller, servo motor drives cleaning brush through lead screw, movable block and carries out reciprocating motion, cleaning brush can carry out dust clearance to the top of circuit board body and the top of shell inner chamber, has improved the efficiency of dust clearance;

2. the utility model discloses a setting of heat dissipation mechanism, when the dust clearance, through the peripheral hardware controller start-up heat dissipation fan simultaneously, rotatory heat dissipation fan is through fixed pipe discharge shell inner chamber to shell inner chamber's dust, can discharge the dust.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the front cross-sectional structure of the fixing tube of the present invention;

FIG. 4 is a schematic view of the structure of the cleaning brush of the present invention;

fig. 5 is an enlarged schematic view of the lifting mechanism of the present invention.

In the figure: 1. a housing; 2. a circuit board body; 3. a servo motor; 4. a screw rod; 5. a moving block; 6. cleaning the brush; 7. a lifting mechanism; 8. a heat dissipation mechanism; 9. a fixed tube; 10. a heat dissipation fan; 11. an electric telescopic rod; 12. a connecting plate; 13. and (5) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a dustproof printed circuit board comprises a shell 1, a circuit board body 2 is connected to the bottom of an inner cavity of the shell 1 in a sliding mode, a servo motor 3 is fixedly installed on one side of the inner cavity of the shell 1, a lead screw 4 is fixedly installed on an output shaft of the servo motor 3, one end of the lead screw 4 is rotatably connected with the other side of the inner cavity of the shell 1 through a bearing seat, a moving block 5 is connected to the surface of the lead screw 4 in a threaded mode, cleaning brushes 6 are fixedly installed on the top portion and the bottom portion of the moving block 5, lifting mechanisms 7 are arranged at the front end and the rear end of the two sides of the inner cavity of the shell 1, the circuit board body 2 is driven to move through the lifting mechanisms 7 when the circuit board body 2 needs to be cleaned of dust, the top portion of the circuit board body 2 is attached to the bottom portion of the cleaning brushes 6, and then the servo motor 3 is started through an external controller, the servo motor 3 drives the cleaning brush 6 to reciprocate through the lead screw 4 and the moving block 5, and the cleaning brush 6 can clean dust on the top of the circuit board body 2 and the top of the inner cavity of the shell 1, so that the dust cleaning efficiency is improved;

both sides at 1 top of shell all are provided with heat dissipation mechanism 8, and through the setting of heat dissipation mechanism 8, when the dust clearance, through the peripheral hardware controller start heat dissipation fan 10, rotatory heat dissipation fan 10 passes through the fixed pipe 9 discharge shell 1 inner chamber to the dust of 1 inner chamber of shell, can discharge the dust.

Referring to fig. 2, 3, 4 and 5, the heat dissipation mechanism 8 includes a fixed tube 9, the bottom of the fixed tube 9 is communicated with the top of the housing 1, a heat dissipation fan 10 is fixedly installed in the inner cavity of the fixed tube 9, when dust does not need to be cleaned, the heat dissipation fan 10 can be rotated to dissipate heat from the surface of the circuit board body 2, the lifting mechanism 7 includes an electric telescopic rod 11, the top of the electric telescopic rod 11 is fixedly connected with the top of the inner cavity of the housing 1, a connection plate 12 is fixedly installed at the telescopic end of the electric telescopic rod 11, the bottom of the connection plate 12 is fixedly connected with the top of the circuit board body 2 through a bolt, when dust is required to be cleaned, the electric telescopic rod 11 is lifted, the telescopic end of the electric telescopic rod 11 drives the connection plate 12 to move, the connection plate 12 drives the circuit board body 2 to move, so that the circuit board body moves to the corresponding position of the cleaning brush 6, thereby facilitating dust cleaning of the top of the circuit board body 2, the function of moving the circuit board body 2 is achieved;

radiating holes are formed in the top of the fixed pipe 9 at equal intervals, dust is convenient to discharge through the radiating holes, a filter screen is embedded in the top of the shell 1 and is positioned at a corresponding position of the fixed pipe 9, the dust with larger volume can be filtered, the dust with larger volume is prevented from being carried in the shell 1, and therefore the normal work of the circuit board body 2 in the inner cavity of the shell 1 is influenced, sliding blocks are fixedly installed at the front end and the rear end of each of two sides of the circuit board body 2, sliding grooves are formed in the two sides of the inner cavity of the shell 1 and are positioned at corresponding positions of the sliding blocks, the surfaces of the sliding blocks are in sliding connection with the inner cavity of the sliding grooves, the circuit board body 2 can be limited, and the circuit board body 2 is prevented from being deviated when the cleaning brush 6 is used for cleaning the dust on the circuit board body 2, so that the cleaning brush 6 is influenced for cleaning the dust on the circuit board body 2;

the stopper is installed at the top of movable block 5, the top of stopper runs through the clean brush 6 in movable block 5 top and extends to the outside of clean brush 6, the spacing groove has been seted up at the top of shell 1 and the department that corresponds that is located the stopper, the surface of stopper and the inner chamber sliding connection of spacing groove, can be spacing to movable block 5, prevent that lead screw 4 from driving movable block 5 skew when rotatory, thereby influence the dust clearance at clean brush 6 2 tops of circuit board body, the equal fixed mounting in bottom of shell 1 both sides has fixed plate 13, the fixed orifices has all been seted up to both sides around the fixed plate 13 top, be convenient for fix shell 1 through fixed orifices and fixed plate 13.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dustproof printed circuit board comprises a shell (1), and is characterized in that: the improved structure of the LED lamp is characterized in that the circuit board body (2) is slidably connected to the bottom of the inner cavity of the shell (1), the servo motor (3) is installed on one side of the inner cavity of the shell (1), the lead screw (4) is installed on an output shaft of the servo motor (3), one end of the lead screw (4) is rotatably connected with the other side of the inner cavity of the shell (1) through the bearing seat, a moving block (5) is connected to the surface of the lead screw (4) in a threaded mode, cleaning brushes (6) are installed at the top and the bottom of the moving block (5), lifting mechanisms (7) are arranged at the front end and the rear end of the two sides of the inner cavity of the shell (1), and heat dissipation mechanisms (8) are arranged on the two sides of the top of the shell (1).

2. The dustproof printed circuit board according to claim 1, wherein: the heat dissipation mechanism (8) comprises a fixed pipe (9), the bottom of the fixed pipe (9) is communicated with the top of the shell (1), and a heat dissipation fan (10) is installed in the inner cavity of the fixed pipe (9).

3. The dustproof printed circuit board according to claim 1, wherein: elevating system (7) include electric telescopic handle (11), the top of electric telescopic handle (11) is connected with the top of shell (1) inner chamber, connecting plate (12) are installed to the flexible end of electric telescopic handle (11), bolt fixed connection is passed through with the top of circuit board body (2) in the bottom of connecting plate (12).

4. The dustproof printed circuit board according to claim 2, wherein: the top equidistance of fixed pipe (9) has seted up the louvre, the top of shell (1) just is located the corresponding department of fixed pipe (9) and inlays and be equipped with the filter screen.

5. The dustproof printed circuit board according to claim 1, wherein: the slider is all installed at both ends around circuit board body (2) both sides, the spout has been seted up in the both sides of shell (1) inner chamber and the corresponding department that is located the slider, the surface of slider and the inner chamber sliding connection of spout.

6. The dustproof printed circuit board according to claim 1, wherein: the top of the moving block (5) is provided with a limiting block, the top end of the limiting block penetrates through the top of the moving block (5) and the cleaning hairbrush (6) and extends to the outside of the cleaning hairbrush (6), a limiting groove is formed in the position, corresponding to the limiting block, of the top of the shell (1), and the surface of the limiting block is in sliding connection with the inner cavity of the limiting groove.

7. The dustproof printed circuit board according to claim 1, wherein: fixed plate (13) are all installed to the bottom of shell (1) both sides, the fixed orifices has all been seted up to both sides around fixed plate (13) top.