CN210431208U

CN210431208U - Switching power supply with dust removal structure

Info

Publication number: CN210431208U
Application number: CN201921829598.XU
Authority: CN
Inventors: 蒋睿; 仇飞
Original assignee: Nanjing Xiaozhuang University
Current assignee: Nanjing Xiaozhuang University
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-04-28
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a switching power supply with dust removal structure, which comprises an outer shell, the inside of shell is provided with internals, internals's front side and rear side are provided with reciprocal lead screw and slide bar respectively, the surface threaded connection of reciprocal lead screw has the lead screw seat, and the left end fixedly connected with pivot of reciprocal lead screw, and the surface of pivot has cup jointed the bearing. The utility model discloses in, through setting up the deashing roller, the deashing roller can remove about the upper surface of internal component, and through setting up gear and rack, under the effect of gear and rack, rotatory condition can appear at the in-process that removes in the deashing roller, thereby can effectually clear up the dust on the internal component surface, through setting up the brush hair, the in-process that removes in the backup pad can drive the brush hair and clear up the dust that internal component openly and the back, thereby make the cleaning effect of dust fine, can effectively reduce the coverage rate of dust, improve the radiating effect of dust.

Description

Switching power supply with dust removal structure

Technical Field

The utility model relates to a switching power supply technical field especially relates to a switching power supply with dust removal structure.

Background

The switching power supply is a power supply which utilizes modern power electronic technology to control the on-off time ratio of a switching tube and maintain stable output voltage, generally comprises a Pulse Width Modulation (PWM) control IC and a MOSFET, and is continuously innovated along with the development and innovation of the power electronic technology.

The 'novel switching power supply's heat abstractor '(CN 201721048759.2) that china patent provided, this patent is through being provided with heat radiation structure in switching power supply to reach for switching power supply radiating effect, nevertheless need the heat dissipation then need set up the louvre on switching power supply's shell, the in-process dust of using for a long time can get into through the louvre, and cover on switching power supply inner structure's surface, can seriously influence switching power supply's heat dissipation like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the switch power supply with the dust removal structure is provided for solving the problem that the heat dissipation of the internal structure is influenced because dust enters the switch power supply through the heat dissipation holes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a switching power supply with a dust removal structure comprises a shell, wherein an internal element is arranged inside the shell, a reciprocating screw rod and a sliding rod are respectively arranged on the front side and the rear side of the internal element, the outer surface of the reciprocating screw rod is in threaded connection with a screw rod seat, the left end of the reciprocating screw rod is fixedly connected with a rotating shaft, the outer surface of the rotating shaft is sleeved with a bearing, the bearing is clamped on the left side surface of the inner wall of the shell in a clamping manner, the right end of the reciprocating screw rod is positioned in a through hole formed in the right side surface of the shell and is fixedly connected with an output shaft of a motor, the motor is fixedly connected in the shell and is electrically connected with an external control switch, the shell is fixedly connected on the right side surface of the shell, the outer surface of the sliding rod is sleeved with a sliding sleeve, the upper surfaces of the sliding sleeve and, the surface joint of fixed axle has the deashing roller, and the deashing roller laminating is at the surface of internal component, the upper surface joint of shell has four exhaust fans, and four exhaust fans set up the four corners department at the shell upper surface respectively, and exhaust fan and external control switch electric connection.

As a further description of the above technical solution:

the outer surface joint of fixed axle has the gear, and gear and rack toothing, and rack fixed connection is at the upper surface of shell inner wall.

As a further description of the above technical solution:

the number of the ash removing rollers is two, and the two ash removing rollers are respectively arranged on the front side and the rear side of the gear.

As a further description of the above technical solution:

the lateral fixedly connected with mounting panel of deashing roller is kept away from to the backup pad, the equal joint in the positive left and right sides of mounting panel has miniature fan, and miniature fan and external control switch electric connection.

As a further description of the above technical solution:

one side face, close to the internal element, of the supporting plate is fixedly connected with bristles, and the bristles are attached to the outer side of the internal element.

As a further description of the above technical solution:

the upper surface of exhaust fan and the lower surface laminating of apron, and the top of apron is provided with the bolt, the bolt runs through the apron and extends to in the shell, and the bolt is located between four exhaust fans.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up the deashing roller, the deashing roller can remove about the upper surface of internal component, and through setting up gear and rack, under the effect of gear and rack, rotatory condition can appear at the in-process that removes in the deashing roller, thereby can effectually clear up the dust on the internal component surface, through setting up the brush hair, the in-process that removes in the backup pad can drive the brush hair and clear up the dust that internal component openly and the back, thereby make the cleaning effect of dust fine, can effectively reduce the coverage rate of dust, improve the radiating effect of dust.

2. The utility model discloses in, through setting up miniature fan, miniature fan during operation can be blown the dust that is cleaned off for the dust can be diffused in the shell, and through setting up the exhaust fan, the exhaust fan during operation can avoid the dust to cover the surface at inside component once more with the effectual discharge of the dust that diffuses in the shell.

Drawings

Fig. 1 is a schematic structural diagram of a switching power supply with a dust removing structure provided by the present invention;

fig. 2 is a schematic view of a front-view cross-sectional structure of a switching power supply with a dust removing structure provided by the present invention;

fig. 3 is a schematic view of a local overlooking section structure of a switching power supply with a dust removal structure provided by the present invention.

Illustration of the drawings:

1. a housing; 2. a cover plate; 3. a bolt; 4. an exhaust fan; 5. a support plate; 6. a lead screw seat; 7. brushing; 8. a reciprocating screw; 9. mounting a plate; 10. a micro fan; 11. a rack; 12. a through hole; 13. a motor; 14. A sliding sleeve; 15. a slide bar; 16. an ash removal roller; 17. a gear; 18. an internal element; 19. a housing.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a switch power supply with a dust removal structure comprises a shell 1, an internal element 18 is arranged inside the shell 1, a reciprocating lead screw 8 and a slide rod 15 are respectively arranged on the front side and the rear side of the internal element 18, a lead screw seat 6 is connected to the outer surface of the reciprocating lead screw 8 in a threaded manner, the reciprocating lead screw 8 and the lead screw seat 6 are arranged, the lead screw seat 6 can be driven to move left and right in the rotating process of the reciprocating lead screw 8, so that a dust cleaning roller 16 can be well driven to move left and right to clean dust on the upper surface of the internal element 18, a rotating shaft is fixedly connected to the left end of the reciprocating lead screw 8, a bearing is sleeved on the outer surface of the rotating shaft and clamped on the left side surface of the inner wall of the shell 1, the right end of the reciprocating lead screw 8 is positioned in a through hole 12 formed in the right side surface of the shell 1, the right end of the reciprocating lead screw 8 is fixedly connected with an, casing 19 fixed connection is at the right flank of shell 1, sliding sleeve 14 has been cup jointed to slide bar 15's surface, through setting up sliding sleeve 14 and slide bar 15, under sliding sleeve 14 and slide bar 15's effect, the drive backup pad 5 that lead screw seat 6 can be stable removes about, and the condition that the backup pad 5 rocked can not appear at the in-process that removes, the equal fixedly connected with backup pad 5 of upper surface of sliding sleeve 14 and lead screw seat 6, and rotate between two backup pads 5 and be connected with the fixed axle, the surface joint of fixed axle has deashing roller 16, and the laminating of deashing roller 16 is at the surface of internal component 18, the upper surface joint of shell 1 has four exhaust fan 4, and four exhaust fan 4 set up the four corners department at the shell 1 upper surface respectively, and exhaust fan 4 and external control switch electric connection.

Specifically, as shown in fig. 2-3, a gear 17 is clamped on the outer surface of the fixed shaft, the gear 17 is meshed with the rack 11, and the rack 11 is fixedly connected to the upper surface of the inner wall of the housing 1; through setting up gear 17 and rack 11, backup pad 5 can drive gear 17 when driving deashing roller 16 and remove, and gear 17 can rotate under the effect of rack 11, drives two deashing rollers 16 simultaneously and rotates to the dust of the clearance that can be fine 18 upper surfaces of internal component.

Specifically, as shown in fig. 3, the number of the ash removing rollers 16 is two, and the two ash removing rollers 16 are respectively arranged on the front side and the rear side of the gear 17; by providing two cleaning rollers 16, the dust on the upper surface of the inner member 18 can be cleaned well.

Specifically, as shown in fig. 2, a mounting plate 9 is fixedly connected to one side surface of the support plate 5 away from the dusting roller 16, micro fans 10 are clamped to the left and right sides of the front surface of the mounting plate 9, and the micro fans 10 are electrically connected with an external control switch; by providing the micro fan 10, the micro fan 10 can blow up the dust cleaned when operating, so that the dust can be diffused in the housing 1.

Specifically, as shown in fig. 2, one side surface of the supporting plate 5 close to the inner element 18 is fixedly connected with bristles 7, and the bristles 7 are attached to the outer side of the inner element 18; through setting up brush hair 7, the in-process that backup pad 5 removed can drive brush hair 7 and clear up the dust at the front and the back of internal element 18 to make the clearance effect of dust fine, can effectively reduce the coverage of dust, improve the radiating effect of dust.

Specifically, as shown in fig. 1-2, the upper surface of each exhaust fan 4 is attached to the lower surface of the cover plate 2, a bolt 3 is arranged above the cover plate 2, the bolt 3 penetrates through the cover plate 2 and extends into the housing 1, and the bolt 3 is located between the four exhaust fans 4; through setting up bolt 3 and apron 2, exhaust fan 4 can be plugged up to apron 2, avoids in the in-process dust that need not use can get into shell 1 through exhaust fan 4, and bolt 3 can fix apron 2, makes things convenient for the workman to dismantle and install apron 2.

The working principle is as follows: when the dust cleaner is used, when dust in the shell 1 needs to be cleaned, a worker loosens the bolt 3 to open the cover plate 2, then the exhaust fan 4, the micro fan 10 and the motor 13 are controlled to work, the motor 13 can drive the reciprocating screw 8 to rotate during work, the screw seat 6 can drive the supporting plate 5 to move left and right, the supporting plate 5 can drive the gear 17 to move, the gear 17 can drive the dust cleaning roller 16 to rotate under the action of the rack 11, the dust cleaning roller 16 can rotate to clean dust on the upper surface of the internal element 18 during left and right movement, the bristles 7 can be driven to move during movement of the supporting plate 5, so that the bristles 7 can clean dust on the front surface and the back surface of the internal element 18, the micro fan 10 can blow the cleaned dust during work, so that the dust can permeate in the shell 1, the exhaust fan 4 can effectively exhaust the diffused dust in the shell 1, after the dust is cleaned, the exhaust fan 4, the micro fan 10 and the motor 13 are controlled to stop working, and finally the bolt 3 is screwed again to fix the cover plate 2.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The switch power supply with the dust removal structure comprises a shell (1) and is characterized in that an internal element (18) is arranged inside the shell (1), a reciprocating lead screw (8) and a sliding rod (15) are respectively arranged on the front side and the rear side of the internal element (18), the outer surface of the reciprocating lead screw (8) is in threaded connection with a lead screw seat (6), the left end of the reciprocating lead screw (8) is fixedly connected with a rotating shaft, the outer surface of the rotating shaft is sleeved with a bearing, the bearing is clamped on the left side surface of the inner wall of the shell (1), the right end of the reciprocating lead screw (8) is positioned in a through hole (12) formed in the right side surface of the shell (1), the right end of the reciprocating lead screw (8) is fixedly connected with an output shaft of a motor (13), the motor (13) is fixedly connected into a shell (19), the motor (13) is electrically connected with an external control switch, the shell (19) is fixedly connected with the right side, sliding sleeve (14) have been cup jointed to the surface of slide bar (15), the equal fixedly connected with backup pad of upper surface (5) of sliding sleeve (14) and lead screw seat (6), and rotate between two backup pad (5) and be connected with the fixed axle, the surface joint of fixed axle has deashing roller (16), and deashing roller (16) laminating in the surface of internal component (18), the upper surface joint of shell (1) has four exhaust fan (4), and four exhaust fan (4) set up respectively in the four corners department of shell (1) upper surface, and exhaust fan (4) and external control switch electric connection.

2. The switching power supply with the dust removing structure according to claim 1, wherein the outer surface of the fixed shaft is clamped with a gear (17), the gear (17) is meshed with the rack (11), and the rack (11) is fixedly connected to the upper surface of the inner wall of the housing (1).

3. The switching power supply with the dust removing structure as claimed in claim 1, wherein the number of the dust removing rollers (16) is two, and the two dust removing rollers (16) are respectively arranged at the front side and the rear side of the gear (17).

4. The switching power supply with the dust removing structure is characterized in that a mounting plate (9) is fixedly connected to one side face, far away from the dust removing roller (16), of the supporting plate (5), miniature fans (10) are clamped to the left side and the right side of the front face of the mounting plate (9), and the miniature fans (10) are electrically connected with an external control switch.

5. The switching power supply with the dust removing structure according to claim 1, wherein the brush hair (7) is fixedly connected to one side surface of the supporting plate (5) close to the inner element (18), and the brush hair (7) is attached to the outer side of the inner element (18).

6. The switching power supply with the dust removal structure according to claim 1, wherein the upper surface of the exhaust fan (4) is attached to the lower surface of the cover plate (2), a bolt (3) is arranged above the cover plate (2), the bolt (3) penetrates through the cover plate (2) and extends into the housing (1), and the bolt (3) is located between the four exhaust fans (4).