CN117559700B - Dustproof motor - Google Patents
Dustproof motor Download PDFInfo
- Publication number
- CN117559700B CN117559700B CN202410044325.3A CN202410044325A CN117559700B CN 117559700 B CN117559700 B CN 117559700B CN 202410044325 A CN202410044325 A CN 202410044325A CN 117559700 B CN117559700 B CN 117559700B
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- China
- Prior art keywords
- rotor shaft
- shell
- ring
- cylinder
- connecting cylinder
- 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.)
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Links
- 230000001681 protective effect Effects 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims description 58
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 4
- -1 polytetrafluoroethylene ring Polymers 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 229920006327 polystyrene foam Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 26
- 239000003921 oil Substances 0.000 description 18
- 239000012535 impurity Substances 0.000 description 13
- 239000002245 particle Substances 0.000 description 12
- 239000002184 metal Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention provides a dustproof motor, and relates to the technical field of motors. The dustproof motor includes: a large housing and a rear housing cover connected to each other; the front end and the rear end of the rotor shaft are respectively and rotatably connected with the large shell and the rear shell; the protective shell is arranged outside the large shell; the air inlets are arranged on the protective shell; the filter layer is arranged in the air inlet hole; the support blocks are arranged between the protective shell and the large shell; the protective cylinder is detachably connected to the protective shell and is arranged outside the front end of the rotor shaft; the connecting cylinder is coaxially arranged on the rotor shaft in the protective cylinder; the connecting cylinder is provided with a plurality of blades, and the end part of the connecting cylinder, which is close to the large shell, is provided with an enclosure which is in sliding contact with the large shell at the periphery of the rotor shaft. The invention can avoid dust from adhering to the joint of the rotor shaft and the shell, thereby preventing dust from entering the motor.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a dustproof motor.
Background
The direct current torque motor is one of torque motors, and takes direct current as a power supply. It is a special motor with soft mechanical property and wide speed regulation range. The shaft of such a motor outputs power not at constant power but at constant torque. The direct current torque motor can have smaller output torque and higher output rotating speed, the output torque and the rotating speed are independently adjusted, the direct current torque motor is convenient to use and simple to operate, and has higher operability than a general alternating current torque motor.
At present, the torque output end of a common direct current torque motor is easy to leak out the lubricating oil of a rotor shaft due to insufficient sealing, the connection part of the rotor shaft and a shell is easy to be stuck with dust to cause the rotation resistance to be increased, the output torque is reduced, the motor load is increased, and finally the coil and the like are burnt out.
Disclosure of Invention
The invention aims to develop a dustproof motor which can prevent dust from adhering to the joint of a rotor shaft and a shell, thereby preventing the dust from entering the motor.
The invention is realized by the following technical scheme:
a dust-proof motor comprising:
a large housing and a rear housing cover connected to each other;
the front end and the rear end of the rotor shaft are respectively and rotatably connected with the large shell and the rear shell;
the protective shell is arranged outside the large shell;
the air inlets are arranged on the protective shell;
the filter layer is arranged in the air inlet hole;
the support blocks are arranged between the protective shell and the large shell;
the protective cylinder is detachably connected to the protective shell and is arranged outside the front end of the rotor shaft;
the connecting cylinder is coaxially arranged on the rotor shaft in the protective cylinder;
the end part of the connecting cylinder, which is close to the large shell, is provided with an enclosure which is in sliding contact with the large shell at the periphery of the rotor shaft.
Optionally, be equipped with cylindric bellying on the big casing, bellying edge is the fillet, coaxial shaft hole that is equipped with in the bellying, be equipped with the first bearing of being connected with the rotor shaft rotation in the shaft hole, the lateral part that back cover was kept away from to first bearing is equipped with the fender oil gasket, the fender oil gasket is located in the shaft hole and is established on the rotor shaft in the cover, the shape and the big casing adaptation of protective housing.
Optionally, the cover is loudspeaker-shaped, the smaller end of the cover is sleeved on the connecting cylinder, and the larger end of the cover is in sliding contact with the protruding part.
Optionally, the bellying edge is equipped with the annular seal groove of the great end complex of seal cover, the seal groove outside is equipped with the annular clamping ring of detachable connection with the bellying, the clamping ring cross-section is the water droplet form and great end is in the inner arc side, the great end of seal cover slide in between seal groove and the clamping ring.
Optionally, graphite rings in sliding contact with each other are respectively arranged on the larger end of the sealing cover and the sealing groove.
Optionally, an elastic ring and a sealing ring are sequentially arranged on the inner wall of the compression ring, which is close to the larger end of the sealing cover.
Optionally, the elastic ring is an air cushion ring or a rubber ring, and the sealing ring is a polytetrafluoroethylene ring.
Optionally, a plurality of the blade evenly sets up in the circumferencial direction of connecting cylinder outer wall equidistant, the blade sets up on the connecting cylinder outer wall spiral, its rotation can produce and keep off the air current of oil gasket.
Optionally, the rotor shaft outer wall in the protective barrel is located to the connecting cylinder slip cap, the rotor shaft outer wall in the protective barrel is the regular prism form, the connecting cylinder inner wall is the regular prism form with the rotor shaft adaptation in the protective barrel, can dismantle on the rotor shaft in the protective barrel outside and be connected with the go-between, the cover is equipped with the spring on the rotor shaft between go-between and the connecting cylinder.
Optionally, the supporting block is polystyrene foam plastic, and the filter layer is high-efficiency air filter cotton.
The beneficial effects of the invention are as follows:
the oil retaining gasket can prevent dust and impurity particles from entering the first bearing, can also prevent lubricating oil from leaking out of the first bearing, can prevent the rotor shaft from being stuck with dust to cause the rotation resistance to be increased, can prevent the dust and the impurities from entering the motor, can reduce the pollution and corrosion in the motor, can protect the internal parts of the motor, can prolong the service life of the internal parts of the motor, can reduce the maintenance work in the motor, can reduce the maintenance cost and the downtime, and can ensure the work efficiency;
the motor can be protected in an anti-collision way by the cooperation of the protective shell and the supporting block, the air flow sprayed out by the protective cylinder is generated between the protective shell and the large shell through the blades which synchronously rotate along with the rotor shaft, the motor can be cooled by the air flow, dust and impurity particles cannot enter the protective cylinder, and the dust and impurity particles are fundamentally prevented from entering the first bearing and the motor from the rotating connection part of the rotor shaft and the large shell;
the seal cover is matched with the bulge, so that tiny dust in air flow can be prevented from entering the oil baffle gasket, the seal cover is provided with two dust-proof sealing measures on the bulge, the dust-proof effect is greatly improved, the spring and the elastic force of the elastic ring can respectively make the two dust-proof sealing measures automatically compensate and keep dust-proof sealing performance along with gradual abrasion and consumption of the graphite ring as a sealing part, and graphite powder generated by abrasion and consumption of the graphite ring can also be used as a lubricant of the oil baffle gasket to protect the oil baffle gasket.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of a rotor shaft;
FIG. 3 is an enlarged view of FIG. 1 at A;
fig. 4 is an enlarged view at B in fig. 3.
Reference numerals: 1. a large housing; 101. a boss; 2. a rear cover; 3. a rotor shaft; 4. a protective shell; 401. an air inlet hole; 402. a support block; 5. an oil-blocking gasket; 6. a first bearing; 7. a magnet clamping needle; 8. a permanent magnet; 9. a magnetic flux sheet; 10. a commutator; 11. a brush; 12. a second bearing; 13. a protective barrel; 14. a connecting cylinder; 15. a blade; 16. an enclosure; 17. a connecting ring; 18. a spring; 19. a compression ring; 20. an elastic ring; 21. a seal ring; 22. sealing the groove; 23. a graphite ring.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those skilled in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the invention discloses a dustproof motor, which comprises a large machine shell 1 and a rear machine cover 2 which are connected with each other, wherein the large machine shell 1 is provided with two symmetrical intrados, two intrados are respectively provided with a permanent magnet 8, a U-shaped magnet clamping needle 7 is arranged between the two permanent magnets 8, and the magnet clamping needle 7 is clamped between the large machine shell 1 and the rear machine cover 2.
The large machine shell 1 and the rear machine cover 2 are rotatably provided with a rotor shaft 3, the rotor shaft 3 is provided with 16 magnetic flux pieces 9, the tail ends of the magnetic flux pieces 9 are provided with commutators 10, and electric core wires are wound on the magnetic flux pieces 9 according to a certain sequence.
The commutator 10 comprises three metal commutator segments and a plastic bushing, wherein the plastic bushing is arranged on the rotor shaft 3, the metal commutator segments are arranged on the plastic bushing, an electric core wire is connected to the metal commutator segments, and current flows into the metal commutator segments and then flows into the windings to generate a magnetic field to drive the rotor to rotate.
The large shell 1 is provided with a cylindrical protruding part 101, the edge of the protruding part 101 is a round angle, a shaft hole for the front end of the rotor shaft 3 to pass through is coaxially arranged in the protruding part 101, a first bearing 6 which is rotationally connected with the rotor shaft 3 is arranged in the shaft hole, the side part of the first bearing 6, which is far away from the rear cover 2, is provided with an oil blocking gasket 5, and the oil blocking gasket 5 is arranged in the shaft hole and sleeved on the rotor shaft 3. The oil retaining gasket 5 not only prevents dust and foreign particles from entering the first bearing 6, but also prevents lubricating oil from leaking out of the first bearing 6, so that the first bearing 6 is kept clean to avoid adhesion of dust.
The rear cover 2 is provided with a second bearing 12 which is rotationally connected with the rear end of the rotor shaft 3, the end part of the rotor shaft 3, which is far away from the rear cover 2, is coaxially provided with an output gear, and two electric brushes 11 which are rotationally contacted with the metal reversing sheets of the reverser 10 are arranged in the rear cover 2.
The outside of the large shell 1 is provided with a protective shell 4, the shape of the protective shell 4 is matched with the large shell 1, a gap exists between the protective shell 4 and the large shell 1, a plurality of air inlets 401 are uniformly formed in the protective shell 4, the rear end opening of the protective shell 4 extends to the joint of the large shell 1 and the rear machine cover 2, and the front end opening of the protective shell 4 extends to the outer side of the protruding part 101 of the large shell 1.
Filter layers are arranged between the rear end opening of the protective shell 4 and the large shell 1 and in the air inlet holes 401, the filter layers can filter larger dust and impurity particles, and the filter layers can be high-efficiency air filter cotton. A plurality of supporting blocks 402 are uniformly arranged between the protective shell 4 and the large machine shell 1, the supporting blocks 402 are made of polystyrene foam plastics, and the supporting blocks 402 are adhered to the protective shell 4 and the large machine shell 1. The supporting blocks 402 not only play a role in fixing the protective shell 4 on the large shell 1, but also play a role in buffering when the motor is impacted and the protective shell 4 is stressed, so that the protective shell 4 forms impact protection for the motor, and the motor is prevented from being damaged due to deformation of the large shell 1 of the motor. The coverage area of the protective casing 4 on the large casing 1 can be adjusted according to the installation condition of the motor, and the rear end opening of the protective casing 4 can move towards the front end opening so as to shorten the length of the protective casing 4.
The front end opening of the casing 4 is connected with a casing 13 in a threaded manner, and the casing 13 is cylindrical coaxial with the rotor shaft 3. The outer wall of the rotor shaft 3 in the protective cylinder 13 is in a regular hexagonal prism shape, and a connecting cylinder 14 is sleeved on the outer wall of the rotor shaft 3 in the protective cylinder 13. The inner wall of the connecting cylinder 14 is in a regular hexagonal prism shape matched with the rotor shaft 3 in the protective cylinder 13, and the outer wall of the connecting cylinder 14 is in a cylinder shape coaxial with the rotor shaft 3.
A plurality of blades 15 are uniformly arranged on the outer wall of the connecting cylinder 14 at equal intervals in the circumferential direction, and the blades 15 are spirally arranged on the outer wall of the connecting cylinder 14 and rotate to generate air flow far away from the oil baffle gasket 5. The end of the connecting cylinder 14 near the large shell 1 is provided with a cover 16, the cover 16 is in a horn shape, and the smaller end of the cover 16 is sleeved on the connecting cylinder 14. The edge of the protruding part 101 on the outer side of the oil retaining gasket 5 is provided with a circular sealing groove 22 matched with the larger end of the sealing cover 16, the outer side of the sealing groove 22 is provided with a circular pressing ring 19 connected with the protruding part 101 through bolts, and the larger end of the sealing cover 16 is arranged between the pressing ring 19 and the sealing groove 22. When the air flows through the compression ring 19 from the outer side of the protruding portion 101, the side surface of the compression ring 19 away from the seal groove 22 is air flow guiding, so that the air flow flows in the direction away from the seal groove 22, and the air flow directly enters the spiral duct formed by the protective cylinder 13, the connecting cylinder 14 and the blades 15.
The larger end of the sealing cover 16 and the sealing groove 22 are respectively provided with a graphite ring 23 which is in sliding contact with each other, the inner wall of the compression ring 19 close to the larger end of the sealing cover 16 is sequentially provided with an elastic ring 20 and a sealing ring 21, and the sealing ring 21 is kept in sliding contact with the larger end of the sealing cover 16 through the elastic force of the elastic ring 20. The elastic ring 20 is an air cushion ring or a rubber ring, and the seal ring 21 is a polytetrafluoroethylene ring.
The rotor shaft 3 outside the protective cylinder 13 is sleeved with the connecting ring 17, the connecting ring 17 is connected with the rotor shaft 3 through bolts, and the bolts are arranged at equal intervals in the circumferential direction of the connecting ring 17 and the rotor shaft 3, so that the influence on the dynamic balance of the rotation of the rotor shaft 3 is avoided. A spring 18 serving as an elastic piece is sleeved on the rotor shaft 3 between the connecting ring 17 and the connecting cylinder 14, and a circle of grooves for accommodating and fixing the end parts of the spring 18 are respectively arranged on the side walls of the edges of the connecting ring 17 and the connecting cylinder 14, which are close to each other.
When the motor runs and the rotor shaft 3 rotates, the connecting cylinder 14 rotates synchronously with the rotor shaft 3, the blades 15 rotate, external air enters a gap between the protecting shell 4 and the large shell 1 through the air inlet 401 on the protecting shell 4 and the rear end opening after being filtered by the filter layer, the air in the gap is collected to the outer side of the protruding part 101 and sprayed out by the protecting cylinder 13, external dust and impurity particles are difficult to enter through the protecting cylinder 13, the dust and impurity particles can be filtered by the set filter layer, the air flow flowing in the gap basically does not contain dust and impurity particles, and the dust and impurity particles do not enter the motor.
In the rotating process of the connecting cylinder 14, the sealing cover 16 rotates in the sealing groove 22, the elastic force of the elastic ring 20 enables the sealing ring 21 to keep sliding contact with the sealing cover 16, sliding sealing between the sealing ring 21 and the sealing cover 16 serves as a first dust-proof sealing measure, the elastic force of the spring 18 pushes the connecting cylinder 14 to slide towards the protruding portion 101, the sealing cover 16 and the graphite ring 23 on the sealing groove 22 keep close sliding contact to serve as a second dust-proof sealing measure, the polytetrafluoroethylene friction coefficient is small, the friction coefficient between the graphite rings 23 is small, the rotating resistance of the sealing cover 16 is small, and excessive consumption of motor power is avoided.
The graphite ring 23 is gradually worn and consumed in the rotation process, and the generated graphite powder falls onto the oil baffle gasket 5, so that the effect of keeping the oil baffle gasket 5 lubricated is achieved. The two graphite rings 23 are gradually thinned after being consumed, the connecting cylinder 14 slides towards the direction close to the protruding part 101 under the pushing of the elastic force of the spring 18, the sealing cover 16 slides along with the connecting cylinder, so that the two graphite rings 23 are kept in close contact to realize automatic compensation, the sealing between the sealing cover 16 and the sealing groove 22 is kept, and the failure of the second dust sealing measure is avoided. After the cover 16 slides towards the inner side of the sealing groove 22, the elastic ring 20 pushes the sealing ring 21 to keep close sliding contact with the cover 16, so that automatic compensation is realized, and the failure of the first dust sealing measure is avoided.
The flowing air current existing in the gap between the protective shell 4 and the large shell 1 can radiate heat of the motor, so that the motor is prevented from being overheated. The protecting shell 4 and the protecting barrel 13 can protect the motor from collision and deformation. The graphite ring 23 can be replaced after being excessively worn, the motor is stopped, the protective cylinder 13 is taken down, the compression ring 19 and the connecting ring 17 are sequentially taken down, and the graphite ring 23 in the sealing cover 16 and the sealing groove 22 can be replaced by sliding out the connecting cylinder 14 from the rotor shaft 3.
The beneficial effects of the invention are as follows:
the oil retaining gasket 5 can prevent dust and impurity particles from entering the first bearing 6, and can also prevent lubricating oil from leaking out of the first bearing 6, so that the rotor shaft 3 and the first bearing 6 are prevented from being stuck with dust to cause the rotation resistance to be increased, the dust and the impurities from entering the motor, the pollution and corrosion in the motor are reduced, the parts in the motor are protected, the service life of the parts in the motor is prolonged, the maintenance work in the motor is reduced, the maintenance cost and the downtime are reduced, and the work efficiency is ensured;
the protection shell 4 and the supporting block 402 are matched to perform anti-collision protection on the motor, the blades 15 synchronously rotating along with the rotor shaft 3 enable the protection shell 4 and the large machine shell 1 to generate air flow sprayed by the protection cylinder 13, the air flow can not only radiate and cool the motor, but also prevent dust and impurity particles from entering the protection cylinder 13, and the dust and impurity particles are fundamentally prevented from entering the first bearing 6 and the inside of the motor from the rotating connection part of the rotor shaft 3 and the large machine shell 1;
the seal cover 16 is matched with the bulge 101, so that tiny dust in air flow can be prevented from entering the oil baffle gasket 5, the seal cover 16 is provided with two dust-proof sealing measures on the bulge 101, the dust-proof effect is greatly improved, the elastic force of the spring 18 and the elastic ring 20 can respectively enable the two dust-proof sealing measures to be automatically compensated to keep dust-proof sealing performance along with gradual abrasion and consumption of the graphite ring 23 serving as a sealing part, and graphite powder generated by abrasion and consumption of the graphite ring 23 can also serve as a lubricant of the oil baffle gasket 5 to protect the oil baffle gasket 5.
The above embodiments are only preferred embodiments of the present invention, and are not limiting to the technical solutions of the present invention, and any technical solution that can be implemented on the basis of the above embodiments without inventive effort should be considered as falling within the scope of protection of the patent claims of the present invention.
Claims (5)
1. A dust-proof motor, comprising:
a large housing and a rear housing cover connected to each other;
the front end and the rear end of the rotor shaft are respectively and rotatably connected with the large shell and the rear shell;
the protective shell is arranged outside the large shell;
the air inlets are arranged on the protective shell;
the filter layer is arranged in the air inlet hole;
the support blocks are arranged between the protective shell and the large shell;
the protective cylinder is detachably connected to the protective shell and is arranged outside the front end of the rotor shaft;
the connecting cylinder is coaxially arranged on the rotor shaft in the protective cylinder;
the end part of the connecting cylinder, which is close to the large shell, is provided with an enclosure which is in sliding contact with the large shell at the periphery of the rotor shaft;
the large shell is provided with a cylindrical protruding part, the edge of the protruding part is a round angle, a shaft hole is coaxially formed in the protruding part, a first bearing which is rotationally connected with the rotor shaft is arranged in the shaft hole, the side part of the first bearing, which is far away from the rear machine cover, is provided with an oil blocking gasket, the oil blocking gasket is arranged in the shaft hole and sleeved on the rotor shaft, and the shape of the protective shell is matched with the large shell;
the cover is in a horn shape, the smaller end of the cover is sleeved on the connecting cylinder, and the larger end of the cover is in sliding contact with the protruding part;
the edge of the bulge is provided with a circular sealing groove matched with the larger end of the sealing cover, the outer side of the sealing groove is provided with a circular compression ring detachably connected with the bulge, the section of the compression ring is in a water drop shape, the larger end of the compression ring is positioned on the inner arc side, and the larger end of the sealing cover slides between the sealing groove and the compression ring;
graphite rings which are in sliding contact with each other are respectively arranged at the larger end of the sealing cover and the sealing groove;
the inner wall of the compression ring, which is close to the larger end of the sealing cover, is sequentially provided with an elastic ring and a sealing ring.
2. The dustproof motor of claim 1, wherein the elastic ring is an air cushion ring or a rubber ring, and the sealing ring is a polytetrafluoroethylene ring.
3. A dustproof motor according to claim 1 or 2, wherein a plurality of the blades are uniformly arranged at equal intervals in the circumferential direction of the outer wall of the connecting cylinder, and the blades are spirally arranged on the outer wall of the connecting cylinder, and the rotation of the blades can generate air flow far away from the oil baffle gasket.
4. The dustproof motor according to claim 1 or 2, wherein the connecting cylinder is slidably sleeved on the outer wall of the rotor shaft in the protecting cylinder, the outer wall of the rotor shaft in the protecting cylinder is in a regular prism shape, the inner wall of the connecting cylinder is in a regular prism shape matched with the rotor shaft in the protecting cylinder, the rotor shaft on the outer side of the protecting cylinder is detachably connected with a connecting ring, and a spring is sleeved on the rotor shaft between the connecting ring and the connecting cylinder.
5. The dustproof motor of claim 1 or 2, wherein the support block is polystyrene foam, and the filter layer is high-efficiency air filter cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410044325.3A CN117559700B (en) | 2024-01-12 | 2024-01-12 | Dustproof motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410044325.3A CN117559700B (en) | 2024-01-12 | 2024-01-12 | Dustproof motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117559700A CN117559700A (en) | 2024-02-13 |
| CN117559700B true CN117559700B (en) | 2024-03-22 |
Family
ID=89811493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410044325.3A Active CN117559700B (en) | 2024-01-12 | 2024-01-12 | Dustproof motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117559700B (en) |
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