CN220365750U - Dust collector fan convenient for heat dissipation - Google Patents

Dust collector fan convenient for heat dissipation Download PDF

Info

Publication number
CN220365750U
CN220365750U CN202322097224.6U CN202322097224U CN220365750U CN 220365750 U CN220365750 U CN 220365750U CN 202322097224 U CN202322097224 U CN 202322097224U CN 220365750 U CN220365750 U CN 220365750U
Authority
CN
China
Prior art keywords
sleeve
adjusting
main body
motor main
mounting sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322097224.6U
Other languages
Chinese (zh)
Inventor
朱云舫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xingdesheng Technology Suzhou Co ltd
Original Assignee
Xingdesheng Technology Suzhou Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xingdesheng Technology Suzhou Co ltd filed Critical Xingdesheng Technology Suzhou Co ltd
Priority to CN202322097224.6U priority Critical patent/CN220365750U/en
Application granted granted Critical
Publication of CN220365750U publication Critical patent/CN220365750U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The application relates to a dust collector fan convenient for heat dissipation, which relates to the technical field of dust collectors and comprises a motor main body, a negative pressure impeller and a wind scooper; the motor main body is sleeved with a mounting sleeve and an adjusting sleeve; the mounting sleeve is connected with the motor main body, and one end of the air guide cover is connected with the mounting sleeve in a sealing way; the adjusting sleeve is positioned at one side of the mounting sleeve far away from the negative pressure impeller, and air flowing intervals are arranged between the inner peripheral wall of the adjusting sleeve and the motor main body and between the inner peripheral wall of the mounting sleeve and the motor main body; a flexible air guide strip is arranged between the inner peripheral wall of the adjusting sleeve and the motor main body, one end of the flexible air guide strip is rotationally connected with the adjusting sleeve, and the other end of the flexible air guide strip is rotationally connected with the mounting sleeve; the mounting sleeve is provided with a support assembly for rotation of the adjustment sleeve about the axis of the mounting sleeve, the adjustment sleeve being movable relative to the mounting sleeve in the axial direction of the mounting sleeve. The inclination of this application adjustable flexible wind-guiding strip to improve the radiating efficiency of motor main part when high-speed rotation.

Description

Dust collector fan convenient for heat dissipation
Technical Field
The application relates to the technical field of dust collectors, in particular to a dust collector fan convenient for heat dissipation.
Background
The fan is used as a key component in the dust collector, and the fan is used for driving the impeller to rotate through the motor so as to enable the inside of the dust collector to form negative pressure, thereby being capable of sucking sundries such as dust into the dust collector.
In order to ensure the negative pressure effect, the rotating speed of the motor of the dust collector is generally more than 10000 revolutions per minute, sometimes even more than 10 ten thousand revolutions per minute, so that more heat is generated in the motor; when the vacuum cleaner continuously operates for a long time, components inside the motor are damaged due to high temperature. In order to facilitate rapid heat dissipation in the motor, a common technical scheme is that a radiating fin is fixedly arranged on the peripheral wall of a shell of the motor; when the motor drives the impeller to rotate, air flow generated by the impeller flows through the radiating fins, so that heat of the radiating fins can be taken away, and the heat of the interior of the motor is reduced.
With respect to the related art, the dust collector provides different gears for different types of sundries or use scenes so that the motor of the dust collector can operate at different rotating speeds. In order to ensure the smoothness of the air flow of the dust collector under the condition of low rotation speed of the motor, the length direction of the radiating fins is generally arranged along the axial direction of the impeller; however, when the motor drives the impeller to rotate at a high speed, the air flow speed is high, and the air is difficult to fully contact with the cooling fins, so that the heat exchange efficiency between the air and the cooling fins is reduced, and the heat dissipation effect is poor, so that improvement is needed.
Disclosure of Invention
The utility model provides a dust catcher fan convenient to heat dissipation to improve the radiating efficiency when motor high-speed rotation.
The application provides a dust catcher fan convenient to heat dissipation adopts following technical scheme:
a dust collector fan convenient for heat dissipation comprises a motor main body, a negative pressure impeller connected with an output shaft of the motor main body, and a wind guide cover for covering the negative pressure impeller; the motor main body is sleeved with a mounting sleeve and an adjusting sleeve; the mounting sleeve is connected with the motor main body, and one end of the air guide cover is connected with the mounting sleeve in a sealing way; the adjusting sleeve is positioned at one side of the mounting sleeve far away from the negative pressure impeller, and intervals for gas flow are arranged between the inner peripheral wall of the adjusting sleeve and the motor main body and between the inner peripheral wall of the mounting sleeve and the motor main body; a flexible air guide strip is arranged between the inner peripheral wall of the adjusting sleeve and the motor main body, one end of the flexible air guide strip is rotationally connected with the adjusting sleeve, and the other end of the flexible air guide strip is rotationally connected with the mounting sleeve; the mounting sleeve is provided with a support assembly for rotation of the adjustment sleeve about the axis of the mounting sleeve itself, the adjustment sleeve being movable relative to the mounting sleeve in the axial direction of the mounting sleeve.
Through adopting above-mentioned technical scheme, rotate adjusting sleeve and follow installation telescopic axial displacement adjusting sleeve, can adjust the inclination of flexible wind-guiding strip. When the negative pressure impeller rotates at a low speed, the length direction of the flexible air guide strip can be arranged along the axial direction of the mounting sleeve, so that the smoothness of gas flow is ensured, and the heat of the main body of the power supply can be rapidly dissipated; when the negative pressure impeller rotates at a high speed, the length direction of the flexible air guide strip can incline relative to the axial direction of the mounting sleeve so as to slow down the flowing speed of the air in the adjusting sleeve, so that the air is fully contacted with the motor main body, and the heat of the motor main body can be rapidly dispersed along with the flowing of the air, namely, the heat dissipation efficiency of the motor main body under the condition of high-speed rotation is improved.
Preferably, the flexible wind guide strip has elasticity; the motor main body is provided with an adjusting component for driving the adjusting sleeve to rotate, and the adjusting component is used for being controlled by a controller of the dust collector.
Through adopting above-mentioned technical scheme, accessible controller control adjusting part to make the adjusting sleeve rotate, easy operation, convenient. The flexible air guide strip is deformed and recovered under the self elastic action, so that the adjusting sleeve automatically moves along the axial direction of the mounting sleeve, and the flexible air guide strip can be kept in a relatively straight state, so that the smoothness of gas flow is ensured, and the rapid dissipation of heat is facilitated.
Preferably, the adjusting assembly comprises a driving gear rotationally connected with the motor main body, a driven toothed ring connected with the adjusting sleeve and an adjusting motor for driving the driving gear to rotate; the driven gear ring is meshed with the driving gear, and the adjusting motor is connected with the motor main body; the adjusting motor is used for being controlled by a controller of the dust collector.
By adopting the technical scheme, the driving gear is driven by the adjusting motor to rotate so that the driving gear drives the driven gear ring to rotate, and the adjusting sleeve is driven to rotate; the driven toothed ring can be always kept in a meshed state with the driving gear in the axial movement process of the adjusting sleeve along with the mounting sleeve, so that the adjusting motor can drive the adjusting sleeve to rotate, and the stability of the rotation of the adjusting sleeve can be improved.
Preferably, the end wall of the flexible air guide strip, which is close to one end of the mounting sleeve, is obliquely provided with a guide surface.
By adopting the technical scheme, the guide surface is favorable for the flexible air guide strip to block the air flow, so that the air can flow into the adjusting sleeve conveniently.
Preferably, the mounting sleeve comprises a fixing sleeve and a connecting sleeve which is in plug-in fit with the fixing sleeve, and the fixing sleeve is connected with the motor main body and the air guide cover; the flexible wind guide strip and the supporting component are connected with the connecting sleeve.
Through adopting above-mentioned technical scheme, can be earlier with adjusting sleeve, flexible wind-guiding strip, supporting component and connecting sleeve equipment each other, then with connecting sleeve and fixed sleeve grafting cooperation, simple structure, convenient dismouting, maintenance.
Preferably, the support assembly comprises a support cylinder connected with the mounting sleeve, and the adjusting sleeve is provided with a support ring groove in plug-in fit with the support cylinder.
Through adopting above-mentioned technical scheme, support drum and support ring groove cooperation, can supply adjusting sleeve to rotate and can supply adjusting sleeve along installing sleeve's axial displacement for installing sleeve, simple structure, convenient dismouting.
Preferably, the adjusting sleeve and the mounting sleeve are internally provided with supporting rings, and each end of the flexible air guide strip is positioned between the corresponding adjusting sleeve and the supporting ring; each end of the flexible wind guide strip is rotationally connected with the corresponding support ring.
By adopting the technical scheme, the support ring can support the flexible air guide strip so as to improve the stability of fixing the position of the flexible air guide strip.
Preferably, the motor main body comprises a front end cover, a rear end cover, a stator arranged between the front end cover and the rear end cover, and a rotor rotationally connected with the stator, wherein the front end cover and the rear end cover are both connected with the stator; the installation sleeve is connected with the front end cover, and the negative pressure impeller is connected with the rotor.
Through adopting above-mentioned technical scheme, compare with conventional motor, the shell that the motor main part reduces can supply the wind-guiding strip to direct the gas to stator and rotor to can supply gas and structure direct contact such as stator, rotor, thereby further be favorable to the heat to give off fast.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the adjusting sleeve is rotated and moved along the axial direction of the mounting sleeve, so that the inclination angle of the flexible air guide strip can be adjusted, the length direction of the flexible air guide strip is inclined relative to the axial direction of the mounting sleeve, the flowing speed of gas in the adjusting sleeve is slowed down, the gas is fully contacted with the motor main body, and the heat of the motor main body can be rapidly emitted along with the flowing of the gas, so that the heat dissipation efficiency of the motor main body under the condition of high-speed rotation is improved;
2. the driving gear is driven by the adjusting motor to rotate so as to drive the driven gear ring to rotate by the driving gear, thereby driving the adjusting sleeve to rotate; the driven toothed ring can be always kept in a meshed state with the driving gear in the axial movement process of the adjusting sleeve along with the mounting sleeve, so that the adjusting motor drives the adjusting sleeve to rotate, and the stability of the rotation of the adjusting sleeve is improved;
3. the front end cover, the rear end cover, the stator and the rotor are mutually matched so that the rotor drives the negative pressure impeller to rotate, and gas can be directly contacted with structural members such as the stator and the rotor, thereby further facilitating rapid heat dissipation.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a vacuum cleaner fan with heat dissipation convenience according to an embodiment of the present application.
Fig. 2 is an exploded schematic view for showing the main structure of the motor.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an exploded schematic view for showing a connection structure between the flexible wind guiding strip and the adjusting sleeve.
In the figure, 1, a motor main body; 11. a front end cover; 12. a rear end cover; 13. a stator; 131. a mounting hole; 14. a rotor; 2. a negative pressure impeller; 3. a wind scooper; 4. a mounting sleeve; 41. a fixed sleeve; 411. a wind-repellent plate; 412. a butt joint sleeve; 4121. a limiting block; 42. a connecting sleeve; 421. a limit groove; 5. an adjustment sleeve; 51. a support ring groove; 52. a flexible wind guiding strip; 521. a flow guiding surface; 6. a support cylinder; 7. a support ring; 71. a connecting block; 8. an adjustment assembly; 81. a drive gear; 82. a driven toothed ring; 83. and (5) adjusting the motor.
Detailed Description
The present application is described in further detail below with reference to fig. 1-4.
A dust collector fan convenient for heat dissipation, referring to fig. 1 and 2, comprises a motor main body 1, a negative pressure impeller 2 and a wind scooper 3. The motor main body 1 comprises a front end cover 11, a rear end cover 12, a stator 13 and a rotor 14, wherein the stator 13 is positioned between the front end cover 11 and the rear end cover 12, and the rotor 14 is rotationally connected with an inner cavity of the stator 13 through a bearing; the front end cover 11 and the rear end cover 12 are fixedly connected with the end wall of the corresponding end of the stator 13 through screws respectively, and one end of the rotor 14 penetrates through the front end cover 11; the negative pressure impeller 2 is located at one side of the front end cover 11 far away from the stator 13, and the negative pressure impeller 2 is fixedly installed on the rotor 14, so that the rotor 14 drives the negative pressure impeller 2 to rotate, and gas is driven to flow along the axial direction of the rotor 14 towards the rear end cover 12.
Referring to fig. 1 and 2, the front end cover 11 is provided with a mounting sleeve 4, the mounting sleeve 4 including a fixing sleeve 41 and a connecting sleeve 42, the fixing sleeve 41 and the connecting sleeve 42 being cylindrical. The front end cover 11 is located to fixed sleeve 41 cover, and integrated into one piece has the wind-dispelling board 411 between the inner peripheral wall of fixed sleeve 41 and the week wall of front end cover 11, and the wind-dispelling board 411 is provided with a plurality ofly along fixed sleeve 41's circumference interval in proper order to form the interval between the inner peripheral wall of fixed sleeve 41 and the week wall of front end cover 11, in order for the air current to pass through. The air guide cover 3 is hollow and two ends of the air guide cover penetrate through the air guide cover; the air guide cover 3 covers the negative pressure impeller 2, one end of the air guide cover 3, which is close to the fixed sleeve 41, is sleeved on the outer peripheral wall of the fixed sleeve 41, and the air guide cover 3 is in interference fit with the fixed sleeve 41, so that the stability of the air flowing into the fixed sleeve 41 is improved.
Referring to fig. 1 and 2, the fixing sleeve 41 is integrally formed with a docking sleeve 412, the docking sleeve 412 is coaxial with the fixing sleeve 41, and the docking sleeve 412 is located at a side of the fixing sleeve 41 away from the negative pressure impeller 2. The connecting sleeve 42 is located on one side of the fixed sleeve 41 away from the negative pressure impeller 2, one end of the connecting sleeve 42, which is close to the fixed sleeve 41, is sleeved on the butt joint sleeve 412, and the connecting sleeve 42 is in interference fit with the butt joint sleeve 412 so that the connecting sleeve 42 can be detached. In this embodiment, the outer peripheral wall of the docking sleeve 412 is integrally formed with a limiting block 4121, and the end wall of the connecting sleeve 42 near one end of the fixing sleeve 41 is integrally formed with a limiting groove 421, and the limiting groove 421 is in plug-in fit with the limiting block 4121 to limit the rotation of the connecting sleeve 42 relative to the fixing sleeve 41, thereby being beneficial to improving the stability of the connection between the connecting sleeve 42 and the fixing sleeve 41.
Referring to fig. 3 and 4, the stator 13 is sleeved with an adjusting sleeve 5, and a supporting component is arranged between the adjusting sleeve 5 and a connecting sleeve 42; the support assembly comprises a support cylinder 6, the support sleeve is coaxial with a connecting sleeve 42, and the support cylinder 6 is integrally connected with one end of the connecting sleeve 42 away from a fixed sleeve 41. The end wall integrated into one piece that is close to one end of connecting sleeve 42 of adjusting sleeve 5 has support ring 7 groove 51, and support ring 7 groove 51 and support drum 6 grafting cooperation, and support drum 6's periphery wall and support ring 7 groove 51's inner peripheral wall laminating for adjusting sleeve 5 rotates around the axis of connecting sleeve 42, and can supply adjusting sleeve 5 to move along the axial of connecting sleeve 42 for connecting sleeve 42, can make simultaneously between adjusting sleeve 5's the inner peripheral wall and the periphery wall of stator 13 produce the interval, in order to the air feed flow to pass through.
Referring to fig. 3 and 4, the inside of the adjustment sleeve 5 is provided with flexible air guide strips 52, the flexible air guide strips 52 have elasticity, and the flexible air guide strips 52 are sequentially provided with a plurality of air guide strips at intervals along the circumferential direction of the adjustment sleeve 5. One end of the flexible air guide strip 52 is rotationally connected with the adjusting sleeve 5 through a rotating shaft, and the other end of the flexible air guide strip 52 is rotationally connected with the connecting sleeve 42 through a rotating shaft. The flexible wind-guiding strip 52 can be driven to rotate relative to the connecting sleeve 42 by rotating the adjusting sleeve 5 or moving the adjusting sleeve 5 along the axial direction of the connecting sleeve 42 so as to adjust the flow direction of the air flow in the adjusting sleeve 5, thereby enabling the air to flow towards the stator 13, and facilitating the rapid dissipation of the heat generated by the stator 13 and the rotor 14. In another embodiment, the flexible air guiding strip 52 may be made of rubber or other flexible material with elasticity.
Referring to fig. 4, the end wall of the flexible air guiding strip 52 near one end of the connecting sleeve 42 is integrally formed with a guiding surface 521, and the guiding surface 521 is obliquely arranged so that the air flows along the flexible air guiding strip 52. The supporting ring 7 is integrally formed in the adjusting sleeve 5 and the connecting sleeve 42, the connecting block 71 is integrally formed between the outer peripheral wall of the supporting ring 7 and the inner peripheral wall of the corresponding adjusting sleeve 5 or connecting sleeve 42, and the rotating shaft of the flexible air guiding strip 52 is rotationally connected with the corresponding supporting ring 7, so that the stability of the flexible air guiding strip 52 is improved.
Referring to fig. 1 and 4, the stator 13 is provided with an adjustment assembly 8, and the adjustment assembly 8 includes a driving gear 81, a driven ring gear 82, and an adjustment motor 83. The stator 13 is integrally formed with a mounting hole 131; the housing of the adjustment motor 83 is in interference fit with the mounting hole 131 for fixedly connecting the adjustment motor 83 with the stator 13. The output shaft of the adjusting motor 83 of the driving gear 81 is fixedly connected, so that the adjusting motor 83 drives the driving gear 81 to rotate. The driven gear ring 82 is integrally connected with the adjusting sleeve 5, and the driving gear 81 is meshed with the driven gear ring 82, so that the driving gear 81 drives the driven gear ring 82 to rotate, and the adjusting sleeve 5 rotates synchronously. In this embodiment, the adjusting motor 83 is electrically connected to the controller of the vacuum cleaner through a wire, so that the controller can adjust the position of the adjusting sleeve 5 according to the rotation speed of the rotor 14, thereby adjusting the inclination state of the flexible air guiding strip 52.
The implementation principle of the embodiment of the application is as follows:
when the negative pressure impeller 2 rotates at a high speed, the adjusting motor 83 is electrified to rotate the adjusting sleeve 5, so that the inclination angle of the flexible air guide strip 52 can be adjusted, the inclination angle of the length direction of the flexible air guide strip 52 relative to the axial direction of the mounting sleeve 4 can be increased, the flowing speed of gas in the adjusting sleeve 5 can be slowed down, the gas can be fully contacted with the stator 13, and therefore heat generated by the stator 13 and the rotor 14 can be rapidly dissipated along with the flowing of the gas, namely, the heat dissipation efficiency of the motor main body 1 under the condition of high-speed rotation can be improved.
The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. A dust collector fan convenient for heat dissipation comprises a motor main body (1), a negative pressure impeller (2) connected with an output shaft of the motor main body (1), and a wind guide cover (3) covering the negative pressure impeller (2); the method is characterized in that: the motor main body (1) is sleeved with a mounting sleeve (4) and an adjusting sleeve (5); the mounting sleeve (4) is connected with the motor main body (1), and one end of the air guide cover (3) is connected with the mounting sleeve (4) in a sealing way; the adjusting sleeve (5) is positioned at one side of the mounting sleeve (4) far away from the negative pressure impeller (2), and a space for flowing gas is arranged between the inner peripheral wall of the adjusting sleeve (5) and the motor main body (1) and between the inner peripheral wall of the mounting sleeve (4) and the motor main body (1); a flexible air guide strip (52) is arranged between the inner peripheral wall of the adjusting sleeve (5) and the motor main body (1), one end of the flexible air guide strip (52) is rotationally connected with the adjusting sleeve (5), and the other end of the flexible air guide strip is rotationally connected with the mounting sleeve (4); the mounting sleeve (4) is provided with a support assembly for rotating the adjusting sleeve (5) around the axis of the mounting sleeve (4), and the adjusting sleeve (5) can move relative to the mounting sleeve (4) along the axial direction of the mounting sleeve (4).
2. The vacuum cleaner fan for facilitating heat dissipation according to claim 1, wherein: the flexible wind guide strip (52) has elasticity; the motor main body (1) is provided with an adjusting component (8) for driving the adjusting sleeve (5) to rotate, and the adjusting component (8) is used for being controlled by a controller of the dust collector.
3. The vacuum cleaner fan for facilitating heat dissipation according to claim 2, wherein: the adjusting assembly (8) comprises a driving gear (81) rotationally connected with the motor main body (1), a driven toothed ring (82) connected with the adjusting sleeve (5) and an adjusting motor (83) for driving the driving gear (81) to rotate; the driven gear ring (82) is meshed with the driving gear (81), and the adjusting motor (83) is connected with the motor main body (1); the adjusting motor (83) is used for being controlled by a controller of the dust collector.
4. The vacuum cleaner fan for facilitating heat dissipation according to claim 1, wherein: the end wall of the flexible air guide strip (52) close to one end of the mounting sleeve (4) is obliquely provided with a guide surface (521).
5. The vacuum cleaner fan for facilitating heat dissipation according to claim 1, wherein: the mounting sleeve (4) comprises a fixing sleeve (41) and a connecting sleeve (42) which is in plug-in fit with the fixing sleeve (41), and the fixing sleeve (41) is connected with the motor main body (1) and the air guide cover (3); the flexible wind guide strips (52) and the supporting components are connected with the connecting sleeve (42).
6. The vacuum cleaner fan for facilitating heat dissipation according to claim 1, wherein: the support assembly comprises a support cylinder (6) connected with the mounting sleeve (4), and the adjusting sleeve (5) is provided with a support ring (7) groove (51) which is in plug-in fit with the support cylinder (6).
7. The vacuum cleaner fan for facilitating heat dissipation according to claim 1, wherein: the inside of the adjusting sleeve (5) and the inside of the mounting sleeve (4) are respectively provided with a supporting ring (7), and each end of the flexible air guide strip (52) is positioned between the corresponding adjusting sleeve (5) and the supporting ring (7); each end of the flexible wind guide strip (52) is rotationally connected with the corresponding support ring (7).
8. The vacuum cleaner fan for facilitating heat dissipation according to claim 1, wherein: the motor main body (1) comprises a front end cover (11), a rear end cover (12), a stator (13) arranged between the front end cover (11) and the rear end cover (12) and a rotor (14) rotationally connected with the stator (13), wherein the front end cover (11) and the rear end cover (12) are connected with the stator (13); the mounting sleeve (4) is connected with the front end cover (11), and the negative pressure impeller (2) is connected with the rotor (14).
CN202322097224.6U 2023-08-04 2023-08-04 Dust collector fan convenient for heat dissipation Active CN220365750U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322097224.6U CN220365750U (en) 2023-08-04 2023-08-04 Dust collector fan convenient for heat dissipation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322097224.6U CN220365750U (en) 2023-08-04 2023-08-04 Dust collector fan convenient for heat dissipation

Publications (1)

Publication Number Publication Date
CN220365750U true CN220365750U (en) 2024-01-19

Family

ID=89516891

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322097224.6U Active CN220365750U (en) 2023-08-04 2023-08-04 Dust collector fan convenient for heat dissipation

Country Status (1)

Country Link
CN (1) CN220365750U (en)

Similar Documents

Publication Publication Date Title
US11197943B1 (en) Fan for improving air quality
CN113629948A (en) From heat dissipation new energy automobile motor
CN220365750U (en) Dust collector fan convenient for heat dissipation
IT1309310B1 (en) ELECTRO.
LU503723B1 (en) Alternating-current generator brush holder
CN115768068A (en) Heat radiation structure of set top box
CN212225459U (en) Wind turbine generator system cabin cover with multiple protection functions
CN212381072U (en) Heat radiation structure of graphite alkene rotor
CN210197692U (en) Hot air gun
CN113417873A (en) Noise-reduction axial flow fan
CN219124031U (en) Brushless motor convenient to heat dissipation
CN219812051U (en) Wind power generation becomes oar back casing
CN214661009U (en) Speed regulating device for condenser fan of air-cooled refrigerating unit
CN221058112U (en) High-efficient radiating motor
CN220492724U (en) Rotor winding rotating shaft
CN220929796U (en) Self-cleaning motor and dust collector using same
CN212811448U (en) Micro motor
CN217558636U (en) Air guide device, fan device and electrical equipment
CN114046263B (en) Bending and sweeping combined orthogonal axial fan capable of automatically removing dust
CN115173614B (en) Heat radiation structure of generator set and generator with heat radiation structure
CN112594205B (en) Desktop surrounding type fan
CN110145866B (en) Hot air gun
CN116633075B (en) High-speed permanent magnet motor of air suspension centrifugal blower and working method thereof
CN217445178U (en) Automobile-used starter motor that radiating effect is good
CN116505714B (en) Motor with two cooling modes

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant