CN115868855B - Brushless motor of direct current dust collector - Google Patents
Brushless motor of direct current dust collector Download PDFInfo
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- CN115868855B CN115868855B CN202211480164.XA CN202211480164A CN115868855B CN 115868855 B CN115868855 B CN 115868855B CN 202211480164 A CN202211480164 A CN 202211480164A CN 115868855 B CN115868855 B CN 115868855B
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Abstract
The invention discloses a brushless motor of a direct current dust collector, which relates to the technical field of dust collector motors and comprises a shell, wherein the inner surface of the shell is fixedly connected with a stabilizing device, the central position of the outer surface of the stabilizing device is rotationally connected with a rotor rotating shaft, the outer surface of the rotor rotating shaft is fixedly connected with a coil, the inner surface of the shell is fixedly connected with a stator near the coil, the left end of the rotor rotating shaft is fixedly connected with an air suction device, the inner surface of the shell is provided with a rotational flow device, the right end of a wheel body is provided with a ball head arc surface, the outer surface of the wheel body is fixedly connected with a blade device, and the outer surface of the wheel body is provided with a rotational flow groove near the blade device. The brushless motor of the direct current dust collector achieves the effect of strong adaptability, can increase the suction force, ensures that the suction force of the gas is quite sufficient, is not easy to be influenced by slightly larger particle sundries, reduces the limitation, is beneficial to the quick and effective suction of the sundries, and ensures that the suction of the sundries is quick and convenient.
Description
Technical Field
The invention relates to the technical field of dust collector motors, in particular to a brushless motor of a direct current dust collector.
Background
With the gradual maturity and perfection of industrialized production in various countries and the improvement of life quality and environmental requirements of people, the dust collector is used as a cleaning device important in the fields of industry and life cleaning. And the cleaner is a cleaning device commonly used in life. The dust collector uses a motor to drive a fan to rotate at a high speed, so that partial vacuum is formed in a dust collection chamber, air pressure difference is formed outside the dust collection chamber to generate air flow, dust is sucked into the dust collection chamber along with the air flow, and is filtered, so that the dust is reserved in the dust collection chamber, and clean air is discharged.
At present, the brushless motor structure of the existing direct current dust collector is too simple, and when the air suction is performed, only the fan blades are driven to rotate, so that air is sucked, the suction force is insufficient, and then some slightly large-particle impurities cannot be sucked, the adaptability is poor, and the dust collector is influenced to remove the impurities.
Disclosure of Invention
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a direct current dust collector brushless motor, includes the casing, the surface left end of casing passes through screw fixedly connected with housing, the internal surface fixedly connected with securing device of casing, the surface central point of securing device puts and rotates and be connected with the rotor pivot, the surface fixedly connected with coil of rotor pivot, the internal surface of casing and the position fixedly connected with stator that is close to the coil, the left end fixedly connected with induced draft device of rotor pivot, the internal surface of housing is provided with swirl device, the one end fixedly connected with air intake of housing is kept away from to the casing, the surface of housing and one side fixedly connected with safety net that keeps away from the casing;
the device that induced drafts includes the wheel body, the right-hand member and the left end fixed connection of rotor pivot of wheel body, the right-hand member of wheel body sets up to bulb arc surface, the surface fixedly connected with blade device of wheel body, the surface of wheel body just is close to the position of blade device and has seted up the whirl groove, support through fixing device to rotor pivot for rotor pivot operation is steady, and utilize the rotor pivot to drive the device that induced drafts and rotate, make the wheel body drive blade device and rotate fast, and then realize induced drafting, make gas be inhaled from the air intake, and utilize the whirl groove when rotating fast, not only make the air flow through, moreover can form the vortex between two adjacent devices that induced drafts, thereby improve brushless motor's suction efficiency, and utilize bulb arc surface to reduce the gas flow resistance, simultaneously utilize gas to flow fast, and under the effect of whirl device, make gas form the whirl, further make the effect of induced drafting, increased the wind power, and then help carrying out quick absorption with slightly bigger granule debris, make full use of self rotation, link together the structure.
Preferably, the blade devices and the swirl grooves are uniformly distributed on the outer surface of the wheel body, and the swirl grooves and the blade devices are staggered.
Preferably, the blade device includes the main blade, the surface edge of main blade and the surface of wheel body just are close to the fixed connection in position of whirl groove, the surface fixedly connected with first vice blade of main blade, the surface of main blade just is close to the fixed connection in position of first vice blade and is connected with the second vice blade, when the blade device wholly is driven by the wheel body and carries out fast rotation, the main blade that can utilize in the rotation blows the air in the housing, not only can realize induced drafting, can also drive first vice blade and second vice blade and rotate together, and utilize the surface of main blade to set up the position heliciform, and combine the direction of whirl groove to the air current, make gas between two adjacent main blades form the whirl, and then the flow of gas that accelerates, make the dust catcher increase to the suction of gas, and then help removing debris, simultaneously along with first vice blade and second vice blade are driven when rotating, the flaring of gas has been promoted, and then accelerate the air current again.
Preferably, the outer surface of the main blade is spiral, and the outer surface of the first auxiliary blade and the outer surface of the second auxiliary blade are both arc-shaped.
Preferably, the stabilizing device comprises a supporting rod and a cylindrical shell, the bottom of the supporting rod is fixedly connected with the outer surface of the cylindrical shell, the rotor rotating shaft penetrates through the center of the cylindrical shell, the outer surface of the rotor rotating shaft is rotationally connected with the cylindrical shell, one end of the supporting rod, which is far away from the cylindrical shell, is fixedly connected with a crescent ejector block, one end of the cylindrical shell, which is far away from the inner surface of the cylindrical shell, is fixedly connected with a stabilizing rod, the outer surface of the stabilizing rod is rotationally connected with a ball, the ball is supported by the crescent ejector block, the supporting point of the rotor rotating shaft is increased by the stabilizing rod, the outer surface of the ball is combined with the outer surface of the rotor rotating shaft in a laminating mode when the rotor rotating shaft rotates, the ball rolls when the rotor rotating shaft, friction force is reduced, and the rotor rotating shaft rotates smoothly.
Preferably, the outer surface of ball and the laminating of the surface of rotor pivot, ball evenly distributed is at the surface of stabilizing the stick, the surface of stabilizing the stick is seted up and is rolled the groove with ball looks adaptation.
Preferably, the cyclone device comprises a spiral groove and a dust collection box, the spiral groove is formed in the inner surface of the housing, the top of the dust collection box is fixedly connected with the bottom of the outer surface of the housing through a screw, a through hole is formed in the bottom of the housing and close to the spiral groove, a backflow preventing device is fixedly connected to the bottom of the housing and close to the through hole, a filter screen is fixedly connected to the bottom of the dust collection box, when air is blown by the main blade and under the action of the spiral groove, when the air flows, circumferential cyclone can be generated, the cyclone driving force can be enhanced, the air flow speed is increased, particle impurities remained in the air flow can be enabled to move along the inner surface of the housing under the guide action of the spiral groove, the particle impurities penetrate through the through hole and enter the backflow preventing device, and under the blowing action of the air flow, the air flow penetrates through the filter screen and filters the particle impurities.
Preferably, the perforations are uniformly distributed at the bottom of the housing and near the spiral groove, and the backflow prevention devices are uniformly distributed at the bottom of the housing.
Preferably, the backflow preventing device comprises a diversion bucket, the top of the diversion bucket is fixedly connected with the bottom of the housing, the bottom of the diversion bucket is provided with a horn mouth, the inner surface of the horn mouth is fixedly connected with an inner core, the outer surface of the inner core is provided with a rectangular hole, and meanwhile, the diversion bucket is utilized to guide flow in the dust box, so that particle impurities can smoothly enter the dust box, and the outer surface of the combined inner core is provided with an inverted cone-shaped curved surface, so that the dust box in the dust box can be effectively prevented from being refluxed, and residual particle impurities are timely removed.
Preferably, the outer surface of the inner core is an inverted conical curved surface, and the rectangular holes are uniformly distributed on the outer surface of the inner core.
The invention provides a brushless motor of a direct current dust collector. The beneficial effects are as follows:
1. this direct current dust catcher brushless motor is through the support of stabilizer to the rotor shaft for rotor shaft operation is steady, and utilize the rotor shaft to drive the device that induced drafts and rotate, make the wheel body drive blade device and rotate fast, and then realize induced drafting, make gas be inhaled from the air intake, and utilize the swirl groove when making the air flow through when rotating fast, can produce circumferential whirl, moreover can form the vortex between two adjacent devices that induced drafts, thereby improve brushless motor's suction efficiency, and utilize the bulb arc surface to reduce gas flow resistance, utilize gaseous fast flow simultaneously, and under the effect of swirl device, make gas form whirl, further make induced drafted effectually, increased the wind-absorbing power, and then help carrying out quick the suction with slightly large granule debris, make full use of self rotation, link the structure together.
2. This direct current dust collector brushless motor, when the blade device wholly is driven by the wheel body and carries out fast rotation, the air in the usable main blade to the housing in the rotation is blown, not only can realize induced drafting, can also drive first vice blade and second vice blade together and rotate, and utilize the surface of main blade to set up the position heliciform, and combine the direction of swirl groove to the air current, make gas formation whirl between two adjacent main blades, and then the gaseous flow of acceleration, make dust collector brushless motor increase the suction of gas, and then help removing debris, simultaneously along with first vice blade and second vice blade are driven when rotating, the flaring of gas has been promoted, and then the air current is accelerated again.
3. This DC dust collector brushless motor is along with the rotation of rotor pivot to utilize the support of crescent jack, and firm stick increase the strong point to the rotor pivot, make the rotor pivot more steady when rotating, combine the surface laminating of ball and rotor pivot simultaneously, make the ball roll when rotor pivot rotates, make firm stick roll support the rotor pivot, reduced frictional force, make rotor pivot rotate more smooth and easy.
4. This brushless motor of direct current dust catcher when gas is blown by the main blade to under the effect of helicla flute, when making the air flow, can produce circumferential whirl, not only can strengthen the production whirl driving force, make the gas velocity of flow increase, still can make the granule impurity that remains in the air current receive centrifugal force effect, can remove along the internal surface of housing, and under the direction effect of helicla flute, make the granule impurity pass from perforating the department, enter into anti-return device, and under the blowing of air current, enter into the dust bin, the air current passes the filter screen, and filter granule impurity down, utilize the water conservancy diversion in the water conservancy diversion fill to the dust bin simultaneously, make granule impurity can smoothly enter into the dust bin, and combine the surface setting of inner core to reverse conical curved surface, can effectively prevent to collect the dust bin internal reflux in the dust bin, and then clear away in time to remaining granule impurity, the interaction between the make full use of structure, ingenious link together the structure.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a brushless motor of a DC vacuum cleaner according to the present invention;
FIG. 2 is a schematic cross-sectional view of a brushless motor of the DC vacuum cleaner of the present invention;
FIG. 3 is a schematic diagram of the structure of the air suction device of the present invention;
FIG. 4 is a schematic view of a rotor shaft cut-off according to the present invention;
FIG. 5 is a schematic cross-sectional view of a stabilization device of the present invention;
FIG. 6 is a schematic cross-sectional view of a swirling device according to the present invention;
FIG. 7 is a schematic cross-sectional view of an anti-reflux apparatus of the present invention;
fig. 8 is an enlarged view of a portion of fig. 7 at a in accordance with the present invention.
In the figure: 1. a housing; 2. a housing; 3. a stabilizing device; 4. a rotor shaft; 5. a coil; 6. a stator; 7. an air suction device; 8. a swirling device; 9. an air inlet; 10. a safety barrier; 31. a support rod; 32. a cylindrical housing; 33. a crescent top block; 34. a stabilizing rod; 35. a ball; 71. a wheel body; 72. a round arc surface of the ball head; 73. a blade arrangement; 74. a swirl groove; 731. a main blade; 732. a first pair of blades; 733. a second auxiliary blade; 81. a spiral groove; 82. a dust collection box; 83. perforating; 84. a backflow prevention device; 85. a filter screen; 841. a diversion bucket; 842. a horn mouth; 843. an inner core; 844. rectangular holes.
Description of the embodiments
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a direct current dust catcher brushless motor, including casing 1, casing 1's surface left end is through screw fixedly connected with housing 2, casing 1's internal surface fixedly connected with stabilizer 3, stabilizer 3's surface central point puts and rotates and be connected with rotor pivot 4, rotor pivot 4's surface fixedly connected with coil 5, casing 1's internal surface and be close to coil 5's position fixedly connected with stator 6, rotor pivot 4's left end fixedly connected with suction device 7, housing 2's internal surface is provided with swirl device 8, housing 1 keeps away from housing 2's one end fixedly connected with air intake 9, housing 2's surface and one side fixedly connected with safety screen 10 that keeps away from housing 1;
the air suction device 7 comprises a wheel body 71, the right end of the wheel body 71 is fixedly connected with the left end of the rotor rotating shaft 4, the right end of the wheel body 71 is provided with a ball head arc surface 72, the outer surface of the wheel body 71 is fixedly connected with a blade device 73, and a swirl groove 74 is formed in the outer surface of the wheel body 71 and close to the blade device 73.
The blade device 73 and the swirl groove 74 are evenly distributed on the outer surface of the wheel body 71, the swirl groove 74 and the blade device 73 are arranged in a staggered manner, the rotor rotating shaft 4 is supported by the stabilizing device 3, the rotor rotating shaft 4 is enabled to run stably, the air suction device 7 is driven to rotate by the rotor rotating shaft 4, the wheel body 71 is enabled to drive the blade device 73 to rotate rapidly, air suction is achieved, air is sucked from the air inlet 9, the swirl groove 74 is utilized to enable air to flow through when the air rapidly, vortex flow can be formed between two adjacent air suction devices 7, accordingly, the air suction efficiency of the brushless motor is improved, the air flow resistance is reduced by the aid of the ball head arc surface 72, meanwhile, air flows rapidly, and under the action of the swirl device 8, the air cyclone is enabled to further enable the air suction effect to be good, the air suction force is increased, and further large particle sundries are enabled to be sucked rapidly, rotation of the air suction device is fully utilized, and the structure is connected together.
Examples
Referring to fig. 4-8, the present invention provides a technical solution:
the vane device 73 comprises a main vane 731, wherein the edge of the outer surface of the main vane 731 is fixedly connected with the outer surface of the wheel body 71 and is close to the position of the swirl groove 74, the outer surface of the main vane 731 is fixedly connected with a first auxiliary vane 732, and the outer surface of the main vane 731 is fixedly connected with a second auxiliary vane 733 close to the position of the first auxiliary vane 732.
The outer surface of the main blade 731 is set to be spiral, the outer surface of the first auxiliary blade 732 and the outer surface of the second auxiliary blade 733 are both set to be arc-shaped, when the blade device 73 is integrally driven by the wheel body 71 to rotate rapidly, the rotating main blade 731 can be utilized to blow air in the housing 2, not only suction can be realized, but also the first auxiliary blade 732 and the second auxiliary blade 733 can be driven to rotate together, the outer surface of the main blade 731 is set to be spiral, the air flow is guided by the swirl groove 74, so that the air between two adjacent main blades 731 forms swirl, and further the accelerated air flows, so that the suction force of the brushless motor of the dust collector to the air is increased, further sundries are helped to be sucked, and meanwhile, the air is promoted to be flaring and further accelerated again as the first auxiliary blade 732 and the second auxiliary blade 733 are driven to rotate.
The stabilizer 3 comprises a supporting rod 31 and a cylindrical shell 32, wherein the bottom end of the supporting rod 31 is fixedly connected with the outer surface of the cylindrical shell 32, a rotor rotating shaft 4 penetrates through the center of the cylindrical shell 32, the outer surface of the rotor rotating shaft 4 is rotationally connected with the cylindrical shell 32, one end of the supporting rod 31, which is far away from the cylindrical shell 32, is fixedly connected with the inner surface of the shell 1, a crescent ejector block 33 is fixedly connected with the inner surface of the cylindrical shell 32, one end of the cylindrical shell 32, which is far away from the inner surface of the cylindrical shell 32, is fixedly connected with a stabilizing rod 34, and the outer surface of the stabilizing rod 34 is in rolling connection with a ball 35.
The surface laminating of ball 35 and the surface of rotor pivot 4, ball 35 evenly distributed is at the surface of stabilizing stick 34, the rolling groove with ball 35 looks adaptation is seted up to the surface of stabilizing stick 34, along with the rotation of rotor pivot 4, and utilize the support of crescent jack 33, and stabilizing stick 34 increases the strong point to rotor pivot 4, make rotor pivot 4 more steady when rotating, combine the surface laminating of ball 35 and the surface of rotor pivot 4 simultaneously, make ball 35 roll when rotor pivot 4 rotates, make stabilizing stick 34 carry out rolling support to rotor pivot 4, the frictional force has been reduced, make rotor pivot 4 rotate more smoothly.
The cyclone device 8 comprises a spiral groove 81 and a dust collection box 82, wherein the spiral groove 81 is formed in the inner surface of the housing 2, the top of the dust collection box 82 is fixedly connected with the bottom of the outer surface of the housing 2 through a screw, a through hole 83 is formed in the bottom of the housing 2 and close to the position of the spiral groove 81, a backflow prevention device 84 is fixedly connected to the bottom of the housing 2 and close to the through hole 83, and a filter screen 85 is fixedly connected to the bottom of the dust collection box 82.
Perforations 83 are evenly distributed at the bottom of casing 2 and near the spiral groove 81, and backflow prevention devices 84 are evenly distributed at the bottom of casing 2.
The backflow preventing device 84 comprises a diversion bucket 841, the top of the diversion bucket 841 is fixedly connected with the bottom of the housing 2, the bottom of the diversion bucket 841 is provided with a horn mouth 842, the inner surface of the horn mouth 842 is fixedly connected with an inner core 843, and a rectangular hole 844 is formed in the outer surface of the inner core 843.
The surface of inner core 843 sets up to the back taper curved surface, rectangular hole 844 evenly distributed is in the surface of inner core 843, when gas is blown by main blade 731, and under the effect of helicla flute 81, when making the air flow, can produce circumferential whirl, not only can strengthen the whirl driving force that produces, make the gas velocity of flow increase, still can make the granule impurity that remains in the air current receive centrifugal force effect, can remove along the internal surface of housing 2, and under the direction effect of helicla flute 81, make the granule impurity pass from perforation 83, enter into anti-return device 84, and under the blowing of air current, enter into dust bin 82, the air current passes filter screen 85, and filter granule impurity down, utilize the water conservancy diversion of water conservancy diversion fill in to dust bin 82 simultaneously, make granule impurity can smoothly enter into dust bin 82, and combine the surface of inner core 843 to set up to the back taper curved surface, can effectively prevent the dust bin 82 internal reflux of collection in dust bin 82, and then clear away to remaining granule impurity, make full use of interaction between the structure and be in time, the structure is in the same.
When in use, the rotor rotating shaft 4 is supported by the stabilizing device 3, so that the rotor rotating shaft 4 runs stably, along with the rotation of the rotor rotating shaft 4, the support of the crescent ejector block 33 is utilized, the stabilizing rod 34 increases the support point of the rotor rotating shaft 4, so that the rotor rotating shaft 4 is more stable in rotation, the outer surface of the combining ball 35 is attached to the outer surface of the rotor rotating shaft 4, the ball 35 rolls when the rotor rotating shaft 4 rotates, the stabilizing rod 34 supports the rotor rotating shaft 4 in a rolling way, the friction force is reduced, the rotor rotating shaft 4 rotates more smoothly, when the whole blade device 73 is driven by the wheel body 71 to rotate rapidly, the rotating main blade 731 can be utilized to blow air in the housing 2, not only air suction can be realized, but also the first auxiliary blade 732 and the second auxiliary blade 733 can be driven together to rotate, the outer surfaces of the main blades 731 are arranged in a spiral shape, and the air flow is guided by the spiral grooves 74, so that the air between two adjacent main blades 731 forms rotational flow, and the accelerated air flows, so that the suction force of the brushless motor of the dust collector on the air is increased, thereby facilitating the suction of sundries, and simultaneously, when the first auxiliary blade 732 and the second auxiliary blade 733 are driven to rotate, the air is promoted to be moved, and the air flow is accelerated again, and when the air is blown by the main blades 731, and under the action of the spiral grooves 81, the air flows, circumferential rotational flow can be generated, so that the rotational flow driving force is enhanced, the air flow speed is increased, the particle impurities remained in the air flow can be moved along the inner surface of the housing 2 under the action of the centrifugal force, and under the guiding action of the spiral grooves 81, the particle impurities pass through the perforation 83 and enter the backflow preventing device 84, and under the blowing of the air flow, enter the dust box 82, the air flow passes through the filter screen 85 and filters the particle impurities, meanwhile, the flow guide hopper 841 is utilized to guide the flow in the dust box 82, so that the particle impurities can smoothly enter the dust box 82, the outer surface of the combined inner core 843 is set to be an inverted cone-shaped curved surface, the dust box 82 which is collected in the dust box 82 can be effectively prevented from flowing back, the residual particle impurities are removed in time, the interaction between the structures is fully utilized, and the structures are skillfully connected together.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (8)
1. The utility model provides a direct current dust catcher brushless motor, includes casing (1), its characterized in that: the novel air conditioner is characterized in that the left end of the outer surface of the casing (1) is fixedly connected with the casing (2) through a screw, the inner surface of the casing (1) is fixedly connected with the stabilizing device (3), the central position of the outer surface of the stabilizing device (3) is rotationally connected with the rotor rotating shaft (4), the outer surface of the rotor rotating shaft (4) is fixedly connected with the coil (5), the stator (6) is fixedly connected to the inner surface of the casing (1) and the position close to the coil (5), the air suction device (7) is fixedly connected to the left end of the rotor rotating shaft (4), the inner surface of the casing (2) is provided with the rotational flow device (8), one end, far away from the casing (2), of the casing (1) is fixedly connected with the air inlet (9), and one side, far away from the casing (1), of the outer surface of the casing (2) is fixedly connected with the safety barrier (10);
the air suction device (7) comprises a wheel body (71), the right end of the wheel body (71) is fixedly connected with the left end of the rotor rotating shaft (4), the right end of the wheel body (71) is provided with a ball head arc surface (72), the outer surface of the wheel body (71) is fixedly connected with a blade device (73), and a swirl groove (74) is formed in the outer surface of the wheel body (71) and close to the blade device (73);
the cyclone device (8) comprises a spiral groove (81) and a dust collection box (82), wherein the spiral groove (81) is formed in the inner surface of the housing (2), the top of the dust collection box (82) is fixedly connected with the bottom of the outer surface of the housing (2) through a screw, a perforation (83) is formed in the bottom of the housing (2) and close to the position of the spiral groove (81), a backflow preventing device (84) is fixedly connected to the bottom of the housing (2) and close to the perforation (83), and a filter screen (85) is fixedly connected to the bottom of the dust collection box (82);
the backflow prevention device (84) comprises a diversion bucket (841), the top of the diversion bucket (841) is fixedly connected with the bottom of the housing (2), the bottom of the diversion bucket (841) is provided with a horn mouth (842), an inner core (843) is fixedly connected to the inner surface of the horn mouth (842), and a rectangular hole (844) is formed in the outer surface of the inner core (843).
2. A brushless dc cleaner motor as claimed in claim 1, wherein: the vane devices (73) and the swirl grooves (74) are uniformly distributed on the outer surface of the wheel body (71), and the swirl grooves (74) and the vane devices (73) are staggered.
3. A brushless dc cleaner motor as claimed in claim 1, wherein: the blade device (73) comprises a main blade (731), the outer surface edge of the main blade (731) is fixedly connected with the outer surface of the wheel body (71) and is close to the position of the swirl groove (74), the outer surface of the main blade (731) is fixedly connected with a first auxiliary blade (732), and the outer surface of the main blade (731) is fixedly connected with a second auxiliary blade (733) close to the position of the first auxiliary blade (732).
4. A brushless dc cleaner motor as claimed in claim 3, wherein: the outer surface of the main blade (731) is provided in a spiral shape, and the outer surface of the first sub blade (732) and the outer surface of the second sub blade (733) are both provided in an arc shape.
5. A brushless dc cleaner motor as claimed in claim 1, wherein: the utility model provides a stabilizing device (3) includes bracing piece (31) and cylinder casing (32), the bottom of bracing piece (31) and the surface fixed connection of cylinder casing (32), rotor pivot (4) pass from the center of cylinder casing (32), rotate between the surface of rotor pivot (4) and cylinder casing (32) and be connected, the one end and the internal surface fixed connection of casing (1) of cylinder casing (32) are kept away from to bracing piece (31), the internal surface fixedly connected with crescent jack (33) of cylinder casing (32), the one end fixedly connected with firm stick (34) of cylinder casing (32) internal surface are kept away from to cylinder casing (32), the surface roll connection of firm stick (34) has ball (35).
6. A brushless dc cleaner motor as defined in claim 5, wherein: the outer surface of ball (35) is laminated with the surface of rotor pivot (4), ball (35) evenly distributed is at the surface of stabilizing stick (34), the rolling groove with ball (35) looks adaptation is seted up to the surface of stabilizing stick (34).
7. A brushless dc cleaner motor as claimed in claim 1, wherein: the perforations (83) are uniformly distributed at the bottom of the housing (2) and are close to the spiral groove (81), and the backflow prevention devices (84) are uniformly distributed at the bottom of the housing (2).
8. A brushless dc cleaner motor as claimed in claim 1, wherein: the outer surface of the inner core (843) is provided with an inverted conical curved surface, and the rectangular holes (844) are uniformly distributed on the outer surface of the inner core (843).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211480164.XA CN115868855B (en) | 2022-11-24 | 2022-11-24 | Brushless motor of direct current dust collector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211480164.XA CN115868855B (en) | 2022-11-24 | 2022-11-24 | Brushless motor of direct current dust collector |
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| CN115868855B true CN115868855B (en) | 2023-10-20 |
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| CN116379015B (en) * | 2023-04-21 | 2024-01-23 | 浙江明新风机有限公司 | Cooling fan |
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| CN115868855A (en) | 2023-03-31 |
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