Motor with dust protection function
By designing a dustproof mechanism on the motor, utilizing a gear system and a movable cover, the problem of dust entering the existing motor is solved, achieving stable motor operation and reducing maintenance costs.
Patent Information
- Application Number
- CN202422685101.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-11-05
AI Technical Summary
The existing motors lack dust protection devices, which causes dust to enter the connection between the main shaft and the machine body, mix with the lubricating oil, and affect the stability of motor operation and equipment performance.
A dustproof mechanism including a protective cover, a gear system, and a movable cover was designed. It uses fan blades and scrapers to remove dust and covers the heat dissipation grille when not in use to prevent dust from entering.
It effectively prevents dust from entering the connection between the spindle and the machine body, maintains stable motor operation, reduces the frequency of cleaning and maintenance, and lowers labor costs.
Smart Images

Figure CN223553160U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electric motor technology, specifically to an electric motor with dust protection function. Background Technology
[0002] An electric motor is a device that converts electrical energy into mechanical energy. It uses an energized coil to generate a rotating magnetic field, which acts on the rotor to form a magnetoelectric torque. Electric motors are classified into DC motors and AC motors according to the power source they use. Most motors in power systems are AC motors, which can be synchronous motors or asynchronous motors.
[0003] The existing motors are not equipped with dust protection devices, which allows dust to enter the connection between the spindle and the machine body, mixing with lubricating oil and other substances. This causes the motor to run unevenly, affecting the overall performance of the equipment and reducing production efficiency. Utility Model Content
[0004] To overcome the above deficiencies, this utility model provides an electric motor with dust protection function that overcomes or at least partially solves the above technical problems.
[0005] This utility model is implemented as follows:
[0006] This utility model provides an electric motor with dust protection function, including a body, a main shaft mounted on the side of the body, and a dustproof mechanism mounted on the side of the body. The dustproof mechanism includes:
[0007] A protective cover is fixedly installed on the side of the machine body, and heat dissipation grilles are provided on both sides of the protective cover;
[0008] The first gear is fixedly mounted on the surface of the main shaft;
[0009] A gear ring is rotatably mounted on the side of the machine body. The inner side of the gear ring has a tooth groove that meshes with the first gear.
[0010] The second gear is rotatably mounted on the side of the machine body. There are two second gears, and both second gears mesh with the gear ring.
[0011] In one embodiment of this utility model, mounting shafts are fixedly installed on the sides of both second gears, and fan blades are fixedly installed at the ends of the mounting shafts, with multiple fan blades provided.
[0012] In one embodiment of this utility model, a third gear is rotatably mounted on the side of the body, and multiple third gears are provided, each of which meshes with a second gear.
[0013] In one embodiment of this utility model, an eccentric plate is rotatably mounted on the eccentric part of a plurality of third gears, a reciprocating rod is rotatably mounted on the end of the eccentric plate, a support is fixedly mounted on the side of the machine body, and the reciprocating rod is slidably connected to the support.
[0014] In one embodiment of this utility model, a scraper is slidably installed inside the heat dissipation grille. Two scrapers are provided, and a connecting plate is fixedly installed at the bottom of each scraper. The connecting plate is fixedly connected to the reciprocating rod.
[0015] In one embodiment of this utility model, protective mechanisms are installed on both the upper and lower sides of the body. The protective mechanisms include mounting plates, which are fixedly installed on the side of the body.
[0016] In one embodiment of this utility model, a slide rail is provided on the side of the mounting plate, a threaded rod is rotatably mounted inside the slide rail, and a cover plate is threadedly mounted on the surface of the threaded rod.
[0017] In one embodiment of this utility model, the threaded rod extends through to the top of the mounting plate, a rotating disk is fixedly mounted on the top of the threaded rod, a rotating handle is fixedly mounted on the top of the rotating disk, a limiting hole is formed on the surface of the rotating disk, the limiting hole extends through to the surface of the machine body, and a pin is slidably installed inside the limiting hole.
[0018] The present invention provides an electric motor with dust protection function, the beneficial effects of which include:
[0019] 1. With the dustproof mechanism in place, the fan blades can rotate while the motor is working, which can blow away the dust inside the entire protective cover. Through the action of blowing, the dust from the outside is kept away from the connection between the motor body and the main shaft, thus preventing the dust from damaging the main shaft.
[0020] 2. By setting up a protective mechanism, the connection between the motor and the spindle can be protected when the motor is not in use, preventing dust from damaging the inside of the motor when the dustproof mechanism is not working, avoiding frequent cleaning and maintenance of the motor, and reducing labor costs and maintenance time. Attached Figure Description
[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.
[0022] Figure 1This is a schematic diagram of the overall structure provided by an embodiment of the present utility model;
[0023] Figure 2 A schematic diagram of the internal structure of the protective cover provided for an embodiment of this utility model;
[0024] Figure 3 A schematic diagram of the dustproof mechanism provided for an embodiment of this utility model;
[0025] Figure 4 Provided for the embodiments of this utility model Figure 3 Enlarged structural diagram of section A in the middle.
[0026] In the diagram: 1. Body; 2. Main shaft; 3. Dustproof mechanism; 301. Protective cover; 302. Heat dissipation grille; 303. First gear; 304. Gear ring; 305. Second gear; 306. Mounting shaft; 307. Fan blade; 308. Third gear; 309. Eccentric plate; 310. Reciprocating rod; 311. Support; 312. Scraper; 313. Connecting plate; 314. Gear groove; 4. Protective mechanism; 401. Mounting plate; 402. Slide rail; 403. Threaded rod; 404. Cover plate; 405. Rotating disk; 406. Rotating handle; 407. Limiting hole; 408. Pin. Detailed Implementation
[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Example
[0028] Reference Figures 1-4This technical solution provides an electric motor with dust protection function, comprising a body 1, a main shaft 2 mounted on the side of the body 1, and a dustproof mechanism 3 mounted on the side of the body 1. The dustproof mechanism 3 includes a protective cover 301, a first gear 303, a gear ring 304, and a second gear 305. The protective cover 301 is fixedly installed on the side of the body 1, and heat dissipation grilles 302 are provided on both sides of the protective cover 301. The heat dissipation grilles 302 can dissipate the heat generated by the motor. However, the presence of the heat dissipation grilles 302 also allows external dust to enter the connection between the body 1 and the main shaft 2, affecting the main shaft 2. The first gear 303 is fixedly installed on the surface of the main shaft 2. A gear ring 304 is rotatably mounted on the side of the machine body 1. A toothed groove 314 is formed on the inner side of the gear ring 304, meshing with the first gear 303. Two second gears 305 are rotatably mounted on the side of the machine body 1, both meshing with the gear ring 304. A mounting shaft 306 is fixedly mounted on the side of each of the two second gears 305. Multiple fan blades 307 are fixedly mounted on the end of the mounting shaft 306. When the motor is turned on, the main shaft 2 rotates, driving the first gear 303 to rotate, which in turn drives the gear ring 304 to rotate. The second gear 305 can rotate, and driven by the second gear 305, the fan blade 307 rotates. The rotation of the fan blade 307 can not only blow out the dust that enters from the heat dissipation grille 302, but also dissipate heat from the main shaft 2 and the machine body 1. A third gear 308 is rotatably mounted on the side of the machine body 1. Multiple third gears 308 are provided, and all of them mesh with the second gear 305. An eccentric plate 309 is rotatably mounted on the eccentric part of the multiple third gears 308. A reciprocating rod 310 is rotatably mounted on the end of the eccentric plate 309. A support 311 is fixedly mounted on the side of the machine body 1, and the reciprocating rod 310 is slidably connected to the support 311. A scraper 312 is slidably installed inside the heat dissipation grille 302. There are two scrapers 312, and a connecting plate 313 is fixedly installed at the bottom of each scraper 312. The connecting plate 313 is fixedly connected to the reciprocating rod 310. The rotation of the second gear 305 can drive the third gear 308 to rotate, thereby causing the eccentric plate 309 to rotate. This, in turn, can drive the reciprocating rod 310 to slide back and forth inside the support 311. This can also cause the connecting plate 313 and the scraper 312 to slide back and forth inside the heat dissipation grille 302, thereby clearing the dust clogging inside the heat dissipation grille 302 and preventing it from affecting the heat dissipation effect of the entire body 1.
[0029] Reference Figures 1-4Based on the same concept as Embodiment 1 above, this embodiment also proposes that protective mechanisms 4 are installed on both the upper and lower sides of the fuselage 1. The protective mechanism 4 includes a mounting plate 401, which is fixedly installed on the side of the fuselage 1. A slide rail 402 is provided on the side of the mounting plate 401. A threaded rod 403 is rotatably installed inside the slide rail 402. A cover plate 404 is threadedly installed on the surface of the threaded rod 403. The threaded rod 403 extends to the top of the mounting plate 401. A rotating disk 405 is fixedly installed on the top of the threaded rod 403. A rotating disk 405 is fixedly installed on the top of the rotating disk 405. There is a rotating handle 406, and a limiting hole 407 is opened on the surface of the rotating disk 405. The limiting hole 407 extends through to the surface of the machine body 1. A pin 408 is slidably installed inside the limiting hole 407. When the entire motor is not working, the operator can rotate the rotating disk 405 to drive the threaded rod 403 to rotate, which can make the cover plate 404 move up and down. The cover plate 404 can cover the entire heat dissipation grille 302 to prevent dust from entering the surface of the spindle 2 through the heat dissipation grille 302 when the motor is not in use, thus preventing it from affecting the operation of the motor.
[0030] Specifically, the working process or principle of this dust protection motor is as follows: When the motor is working, the main shaft 2 rotates, which drives the first gear 303 to rotate. The rotating first gear 303 drives the gear ring 304 to rotate, which in turn drives the second gear 305 to rotate. Under the drive of the second gear 305, the fan blades 307 rotate. The rotation of the fan blades 307 not only blows out the dust entering from the heat dissipation grille 302, but the rotation of the second gear 305 also drives the third gear 308 to rotate. This allows the eccentric plate 309 to rotate, which in turn drives the reciprocating rod 310 to slide back and forth inside the support 311. This, in turn, drives the connecting plate 313 and the scraper 312 to slide back and forth inside the heat dissipation grille 302. When the entire motor is not working, the operator can rotate the rotating disk 405 to drive the threaded rod 403 to rotate, which in turn allows the cover plate 404 to move up and down. The cover plate 404 can cover the entire heat dissipation grille 302, preventing dust from entering the surface of the main shaft 2 through the heat dissipation grille 302 when the motor is not in use.
Claims
1. An electric motor with dust protection function, comprising a casing (1), characterized in that, A main shaft (2) is mounted on the side of the fuselage (1), and a dustproof mechanism (3) is mounted on the side of the fuselage (1). The dustproof mechanism (3) includes: A protective cover (301) is fixedly installed on the side of the body (1), and heat dissipation grilles (302) are provided on both sides of the protective cover (301). The first gear (303) is fixedly mounted on the surface of the main shaft (2); A gear ring (304) is rotatably mounted on the side of the body (1). A tooth groove (314) is provided on the inner side of the gear ring (304), and the tooth groove (314) meshes with the first gear (303). The second gear (305) is rotatably mounted on the side of the body (1). There are two second gears (305), and both second gears (305) mesh with the gear ring (304).
2. The electric motor with dust protection function according to claim 1, characterized in that, The two second gears (305) are each fixedly mounted with a mounting shaft (306) on their sides, and a fan blade (307) is fixedly mounted at the end of the mounting shaft (306), and multiple fan blades (307) are provided.
3. The electric motor with dust protection function according to claim 2, characterized in that, A third gear (308) is rotatably mounted on the side of the fuselage (1). Multiple third gears (308) are provided, and each of the multiple third gears (308) meshes with a second gear (305).
4. The electric motor with dust protection function according to claim 3, characterized in that, An eccentric plate (309) is rotatably mounted on the eccentric part of a plurality of the third gears (308), and a reciprocating rod (310) is rotatably mounted on the end of the eccentric plate (309). A support (311) is fixedly mounted on the side of the body (1), and the reciprocating rod (310) is slidably connected to the support (311).
5. The electric motor with dust protection function according to claim 4, characterized in that, The heat dissipation grille (302) has a scraper (312) slidably installed inside. There are two scrapers (312), and a connecting plate (313) is fixedly installed at the bottom of each scraper (312). The connecting plate (313) is fixedly connected to the reciprocating rod (310).
6. The electric motor with dust protection function according to claim 5, characterized in that, The upper and lower sides of the fuselage (1) are equipped with protective mechanisms (4), the protective mechanisms (4) include mounting plates (401), and the mounting plates (401) are fixedly installed on the side of the fuselage (1).
7. The electric motor with dust protection function according to claim 6, characterized in that, The mounting plate (401) has a slide rail (402) on its side, and a threaded rod (403) is rotatably mounted inside the slide rail (402). A cover plate (404) is threaded onto the surface of the threaded rod (403).
8. The electric motor with dust protection function according to claim 7, characterized in that, The threaded rod (403) extends through to the top of the mounting plate (401). A rotating disk (405) is fixedly installed on the top of the threaded rod (403). A rotating handle (406) is fixedly installed on the top of the rotating disk (405). A limiting hole (407) is opened on the surface of the rotating disk (405). The limiting hole (407) extends through to the surface of the machine body (1). A pin (408) is slidably installed inside the limiting hole (407).