Dustproof and waterproof motor
By designing a multi-layer filtering structure and rotating scrapers in the motor to clean impurities, the corrosion and clogging problems of the motor in a humid and dusty environment are solved, effective dust and water proofing effects are achieved, and the service life and safety of the motor are extended.
Patent Information
- Application Number
- CN202422126999.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-08-30
AI Technical Summary
Motors in humid and dusty environments are susceptible to water vapor and dust, which can cause corrosion, block air ducts, and affect heat dissipation. They may also cause overheating, short circuits, or even burnout, threatening safety performance and service life.
A dustproof and waterproof motor was designed with a multi-layer filtering structure, including filter layer No. 1, filter layer No. 2 and filter layer No. 3. The fan blades and scrapers were driven by the rotating shaft to achieve air filtration and impurity cleaning, preventing impurities from entering the motor.
Effectively filter out dust and water vapor in the air, prevent motor corrosion, maintain smooth ventilation, extend service life and improve safety performance.
Smart Images

Figure CN223462882U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor technical field, specifically, relate to a dustproof and waterproof motor. BACKGROUND
[0002] In modern industry and daily life, as the key component of power conversion, the stability and service life of motor directly affect the operation efficiency and cost of the whole system, however, in the running process of motor, especially in the complex and changeable environment conditions, such as humid, dusty industrial workshop or outdoor environment, often face the invasion of water vapor and dust and other impurities, once these impurities enter the motor, not only will corrode the metal parts inside the motor, reduce the insulation performance, but also may block the motor air duct, affect the heat dissipation effect, and further cause motor overheating, short circuit and even burnout and other serious problems, greatly threaten the safety performance and service life of motor, therefore we put forward a dustproof and waterproof motor to solve the above problems. SUMMARY
[0003] The utility model discloses a dustproof and waterproof motor, solve the motor in the running process, especially in the complex and changeable environment conditions, such as humid, dusty industrial workshop or outdoor environment, often face the invasion of water vapor and dust and other impurities, once these impurities enter the motor, not only will corrode the metal parts inside the motor, reduce the insulation performance, but also may block the motor air duct, affect the heat dissipation effect, and further cause motor overheating, short circuit and even burnout and other serious problems, greatly threaten the safety performance and service life of motor.
[0004] To achieve the above object, the utility model takes the technical scheme that:
[0005] A dustproof and waterproof motor, including the shell, the inside movable through installation of the shaft in the shell, the shell with the one side installation of the shaft isolates the mechanism, the both ends of the shaft and the shell are installed with O type ring respectively, the inside installation of the shell has the stator, the pole body outside the shaft in the shell installs the rotor, the rotor movable installation is in the inside of the stator, the isolating mechanism includes the air outlet hole and the extension frame, a plurality of air outlet holes are through the one side of the shell, the inside installation of the air outlet hole has a filter layer, the extension frame is installed in the one side of the shell away from the air outlet hole, the inside movable through installation of the extension frame in the one end of the shaft, the inside installation of the extension frame has the fan blade, and the fan blade is connected between the shaft, the one side of the shell away from the air outlet hole is through a plurality of a air inlet, the inside installation of the air inlet has the filter layer, and a air inlet and the fan blade are parallel to each other.
[0006] As preferred, the outer side of the shell and away from the air outlet hole is provided with a first connecting groove, the surface of the first connecting groove is provided with threads, the inner wall of the extension frame is provided with threads, and one end of the extension frame is installed in the first connecting groove through threads.
[0007] As preferred, the one end of the rotation shaft inside the extension frame is installed with a limiting plate, the outer side of the shaft of the rotation shaft is installed with a movable fan, and the movable fan is attached to the limiting plate.
[0008] As preferred, the side of the extension frame away from the shell is installed with an extension block, the side of the extension frame close to the extension block is installed with an annular clamping frame, the side of the annular clamping frame close to the extension frame is provided with a second connecting groove, the inner wall of the second connecting groove is provided with threads, the outer side of the extension block is provided with threads, and the extension block is installed in the second connecting groove through threads.
[0009] As preferred, the side of the extension frame away from the shell is installed with a third filter layer, the side of the annular clamping frame close to the shell is provided with a clamping groove, and the outer end of the third filter layer is installed in the clamping groove.
[0010] As preferred, the outer side of the shaft of the rotation shaft away from the air outlet hole is provided with threads, and the shaft of the rotation shaft is installed with a rotating ring through threads, a plurality of scrapers are installed on the rotating ring, the surface of the scraper is attached to the third filter layer, and a plurality of second air inlets are arranged on the side of the extension frame close to the third filter layer.
[0011] Compared with the prior art, the utility model has the advantages of the following beneficial effects:
[0012] (1) In the utility model, when the rotation shaft rotates, the rotation shaft drives the fan to rotate, the fan guides the air outside to the inside of the shell through the filtering of the third filter layer and the second filter layer, the third filter layer and the second filter layer filter the water vapor and dust in the air, thereby avoiding the erosion caused by the impurities in the shell, and prolonging the service life of the whole.
[0013] (2) In the utility model, when the rotation shaft rotates, the scraper rotates, the scraper cleans the impurities on the surface of the third filter layer, thereby avoiding the blockage of the surface of the third filter layer, improving the filtering effect of the third filter layer, and keeping the third filter layer clean and unobstructed. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic view of the utility model of a dustproof and waterproof motor.
[0015] Figure 2The utility model discloses a front view structural schematic diagram of dustproof and waterproof motor,
[0016] Figure 3 The utility model discloses a side view structural schematic diagram of dustproof and waterproof motor,
[0017] Figure 4 The utility model discloses a dustproof and waterproof motor, Figure 3 The utility model discloses a section structure schematic diagram of A-A place in dustproof and waterproof motor,
[0018] Figure 5 The utility model discloses a dustproof and waterproof motor, Figure 4 The utility model discloses an enlarged structure schematic diagram of B place in dustproof and waterproof motor,
[0019] Figure 6 The utility model discloses a dustproof and waterproof motor, Figure 4 The utility model discloses an enlarged structure schematic diagram of C place in dustproof and waterproof motor.
[0020] In the drawing: 1, shell, 2, isolation mechanism, 201, air outlet, 202, no. 1 filter layer, 203, no. 1 connecting groove, 204, extension frame, 205, no. 1 air inlet, 206, no. 2 filter layer, 207, limiting plate, 208, fan blade, 209, bolt, 210, extension block, 211, annular clamping frame, 212, no. 2 connecting groove, 213, clamping groove, 214, no. 3 filter layer, 215, no. 2 air inlet, 216, rotary ring, 217, scraper, 3, rotating shaft, 4, rotor, 5, stator, 6, O ring. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described below in a clear and complete manner in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] For example, Figures 1 to 6As shown in the utility model embodiment, the dustproof and waterproof motor comprises a shell 1, a rotating shaft 3 movably penetrating and being installed in the shell 1, an isolation mechanism 2 installed on one side of the shell 1 and the rotating shaft 3, O-rings 6 respectively installed between the two ends of the rotating shaft 3 and the shell 1, a stator 5 installed in the shell 1, a rotor 4 installed on the outer side of the rod body of the rotating shaft 3 in the shell 1, the rotor 4 movably installed in the stator 5, the isolation mechanism 2 comprising air outlet holes 201 and an extension frame 204, the air outlet holes 201 penetratingly arranged on one side of the shell 1, a filter layer 202 No. installed in the air outlet holes 201 respectively, the extension frame 204 installed on the side of the shell 1 far away from the air outlet holes 201, one end of the rotating shaft 3 movably penetrating and being installed in the extension frame 204, a fan blade 208 installed in the extension frame 204, the fan blade 208 and the rotating shaft 3 being connected, a plurality of air inlets 205 No. penetratingly arranged on the side of the shell 1 far away from the air outlet holes 201, a filter layer 206 No. installed in the air inlets 205 No. respectively, and the air inlets 205 No. and the fan blade 208 being parallel to each other.
[0023] As Figures 4 to 6 shown, another embodiment of the utility model, the outer side of the shell 1 and the side far away from the air outlet hole 201 are provided with a connecting groove 203 No., the surface of the connecting groove 203 No. is provided with threads, the inner wall of the extension frame 204 is provided with threads, one end of the extension frame 204 is installed in the inside of the connecting groove 203 No. through threads, one end of the rotating shaft 3 located in the inside of the extension frame 204 is installed with a limiting plate 207, the fan blade 208 is movably sleeved and installed on the outer side of the rod body of the rotating shaft 3, the fan blade 208 and the limiting plate 207 are attached to each other, a plurality of bolts 209 are installed between the fan blade 208 and the limiting plate 207 through threads, the extension frame 204 is installed with an extension block 210 on the side far away from the shell 1, the extension frame 204 is installed with an annular clamping frame 211 on the side close to the extension block 210, the annular clamping frame 211 is provided with a connecting groove 212 No. on the side close to the extension frame 204, the inner wall of the connecting groove 212 No. is provided with threads, the outer side of the extension block 210 is provided with threads, and the extension block 210 is installed in the inside of the connecting groove 212 No. through threads, the extension frame 204 is installed with a filter layer 214 No. on the side far away from the shell 1, the annular clamping frame 211 is provided with a clamping groove 213 on the side close to the shell 1, the outer end of the filter layer 214 No. is clamped and installed in the inside of the clamping groove 213, the outer side of the rod body of the rotating shaft 3 far away from the air outlet hole 201 is provided with threads, the rod body of the rotating shaft 3 is installed with a rotating ring 216 through threads, a plurality of scrapers 217 are installed on the rotating ring 216, the surface of the scraper 217 and the filter layer 214 No. are attached to each other, and a plurality of air inlets 215 No. are penetratingly arranged on the side of the extension frame 204 close to the filter layer 214 No.
[0024] The user first sets the fan blade 208 on the outside of the shaft 3, and the fan blade 208 and the limiting plate 207 are in close contact, then the user can install the fan blade 208 and the limiting plate 207 through the bolt 209, then after the fan blade 208 is installed, the user can install the extension frame 204 through the thread, so that the fan blade 208 is located inside the extension frame 204, to realize the multi-layer filtering of the third filter layer 214 and the second filter layer 206, then after the extension frame 204 is installed, the user can put the third filter layer 214 into the clamping groove 213, then the user can install the annular clamping frame 211 through the thread, so that the annular clamping frame 211 cooperates with the extension frame 204 to clamp and position the third filter layer 214, then the user installs the rotating ring 216 through the thread, so that the rotating ring 216 can be connected with the shaft 3, and also drives the scraper 217 and the third filter layer 214 to be in close contact;
[0025] Then after the overall installation is completed, with the rotation of the shaft 3, the shaft 3 drives the fan blade 208 and the scraper 217 to rotate, and the fan blade 208 guides the air outside to flow, so that the air first enters the inside of the second air inlet 215, and is preliminarily filtered by the third filter layer 214, and then the airflow in the extension frame 204 enters the inside of the first air inlet 205, and then is filtered by the second filter layer 206 for the second time, to further improve the cleanliness of the airflow, and then the airflow can enter the inside of the shell 1 for cooling work, and then the airflow after cooling in the inside of the shell 1 can be discharged through the air outlet hole 201, and at the same time the shaft 3 drives the rotating ring 216 and the scraper 217 to rotate, so that the scraper 217 cleans the impurities on the surface of the third filter layer 214, to avoid the surface of the third filter layer 214 from being blocked;
[0026] The first filter layer 202, the second filter layer 206 and the third filter layer 214 are made of non-woven fabric material, which has the characteristics of fine fiber fineness and high porosity, so that it can effectively filter out dust, water vapor and other impurities in the air. When the outside air enters the motor through the air inlet hole, the non-woven filter layer can block most of the impurities to prevent them from entering the motor, thereby protecting the motor from erosion and improving the overall safety performance;
[0027] The first filter layer 202 located in the air outlet hole 201 is used to prevent dust, water vapor and other impurities from entering the inside of the shell 1 through the air outlet hole 201 when the motor does not work, to further improve the overall safety performance.
[0028] The working principle of the dustproof and waterproof motor is as follows:
[0029] In use, firstly, with the rotation of the rotating shaft 3, the rotating shaft 3 drives the fan blade 208 and the scraper 217 to rotate, the fan blade 208 guides the air outside to flow, so that the air enters the inside of the second air inlet 215 first, and is preliminarily filtered through the third filter layer 214, the third filter layer 214 filters the impurities and water vapor in the air, then the airflow in the extension frame 204 enters the inside of the first air inlet 205, and is secondarily filtered through the second filter layer 206, so that the cleanliness of the airflow is further improved, then the airflow can enter the inside of the shell 1 to perform cooling work, and the airflow after cooling in the shell 1 can be discharged through the air outlet hole 201, and the rotating shaft 3 drives the rotating ring 216 and the scraper 217 to rotate, so that the scraper 217 cleans the impurities on the surface of the third filter layer 214, and the surface of the third filter layer 214 is prevented from being blocked.
[0030] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the utility model embodiments, and for the ordinary skilled in the art, on the basis of the above description, other different forms of changes or changes can be made, all the embodiments cannot be exhausted here, and all the embodiments belong to the protection scope of the utility model.
Claims
1. A dust and water resistant electric motor comprising a housing (1), characterized in that: The inside of the shell (1) is movably provided with a rotating shaft (3), one side of the shell (1) and the rotating shaft (3) is provided with an isolation mechanism (2), the two ends of the rotating shaft (3) and the shell (1) are respectively provided with an O-shaped ring (6), the inside of the shell (1) is provided with a stator (5), the outside of the rod body of the rotating shaft (3) located in the inside of the shell (1) is provided with a rotor (4), the rotor (4) is movably arranged in the inside of the stator (5), the isolation mechanism (2) comprises air outlet holes (201) and an extension frame (204), a plurality of air outlet holes (201) are provided on one side of the shell (1), the inside of the air outlet hole (201) is respectively provided with a first filter layer (202), the extension frame (204) is arranged on the side of the shell (1) away from the air outlet hole (201), one end of the rotating shaft (3) is movably arranged in the inside of the extension frame (204), the inside of the extension frame (204) is provided with a fan blade (208), and the fan blade (208) and the rotating shaft (3) are connected, the side of the shell (1) away from the air outlet hole (201) is provided with a plurality of first air inlets (205), the inside of the first air inlet (205) is respectively provided with a second filter layer (206), and the first air inlet (205) and the fan blade (208) are parallel to each other.
2. A dust and water resistant electric motor according to claim 1, characterized in that: The outside of the shell (1) and the side away from the air outlet hole (201) are provided with a first connecting groove (203), the surface of the first connecting groove (203) is provided with threads, the inner wall of the extension frame (204) is provided with threads, and one end of the extension frame (204) is arranged in the inside of the first connecting groove (203) through threads.
3. A dust and water resistant electric motor according to claim 1, wherein: The end of the rotating shaft (3) located in the inside of the extension frame (204) is provided with a limiting plate (207), the fan blade (208) is movably arranged on the outside of the rod body of the rotating shaft (3), and the fan blade (208) and the limiting plate (207) are attached to each other, and a plurality of bolts (209) are arranged between the fan blade (208) and the limiting plate (207) through threads.
4. The dust and water resistant electric motor of claim 1, wherein: The side of the extension frame (204) away from the shell (1) is provided with an extension block (210), the side of the extension frame (204) close to the extension block (210) is provided with an annular clamping frame (211), the side of the annular clamping frame (211) close to the extension frame (204) is provided with a second connecting groove (212), the inner wall of the second connecting groove (212) is provided with threads, the outside of the extension block (210) is provided with threads, and the extension block (210) is arranged in the inside of the second connecting groove (212) through threads.
5. A dust and water resistant electric motor according to claim 4, wherein: The side of the extension frame (204) away from the shell (1) is provided with a third filter layer (214), the side of the annular clamping frame (211) close to the shell (1) is provided with a clamping groove (213), and the outer end of the third filter layer (214) is clamped and arranged in the inside of the clamping groove (213).
6. A dust and water resistant electric motor according to claim 5, wherein: The rotating shaft (3) is provided with a thread on the outer side of the rod body away from the air outlet hole (201), and the rotating shaft (3) is provided with a rotating ring (216) through the thread, a plurality of scrapers (217) are installed on the rotating ring (216), the scrapers (217) are attached to the surface of the third filter layer (214), and a plurality of second air inlets (215) are provided on the side of the extension frame (204) close to the third filter layer (214).