Motor air duct structure capable of reducing temperature and noise and motor product

By using a combination of axial fan blades and anti-vibration sealing rings in the motor air duct structure, the problems of poor motor heat dissipation and high noise are solved, achieving lower temperature rise and noise levels, and making it suitable for a variety of motor products.

CN223527906UActive Publication Date: 2025-11-07SHENZHEN GERONG ELECTRICAL APPLIANCE CO LTD
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Patent Information

Application Number
CN202422895602.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-11-07
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

The existing motor has poor heat dissipation and is quite noisy.

Method used

A motor air duct structure with cooling and noise reduction is designed. An axial flow fan is installed on the outside of the air inlet of the fan cover, and a shock-absorbing sealing ring is fitted on the outside of the stator. The heat generated by the motor is removed by negative pressure. At the same time, the air outlet and duct structure are optimized to reduce noise.

Benefits of technology

Under the same conditions, the motor temperature rise is reduced by 15-20K and the noise is reduced by 8-10dB. It is suitable for motor-driven products such as juicers, food processors, blenders, high-speed blenders, grinders and choppers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of motors, in particular to a motor air duct structure capable of reducing temperature and noise and a motor product, the motor air duct structure comprises a fan cover used for covering the outer side of a motor, the motor comprises an output shaft, the top of the output shaft upwards penetrates through the top of the fan cover and extends out, and the bottom of the fan cover is provided with an air inlet. An axial-flow fan blade is arranged on the outer side of the air inlet, the bottom of the output shaft downwards penetrates through the air inlet to be fixedly connected with the axial-flow fan blade, air outlet pipelines are fixed to the two sides of the top of the fan cover, air outlets communicated with the interior of the fan cover are formed in the air outlet pipelines, the stator is sleeved with a shockproof sealing ring, and the outer side wall of the shockproof sealing ring is tightly attached to the inner side wall of the fan cover. Air outside the fan cover is compressed into the air duct cavity through the axial-flow fan blades, negative pressure is generated, the anti-vibration sealing ring outside the motor enables air flow to only pass through a gap between the stator and the rotor of the motor, heat generated by power consumption of the motor is forcibly brought out through the air outlets in the two sides of the fan cover, and the effect of forcibly cooling the motor is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field, concretely relates to a motor air duct structure and motor class product of cooling and noise reduction. BACKGROUND

[0002] Motor is widely used in various fields of life as a kind of driving device, and the motor in the prior art generally sets a fan at the tail end of the motor body to cool the motor body.

[0003] The utility model discloses a quick detachable motor of fan cover, including motor body and the fan cover of the tail end of the shell of motor body, the outer circumferential cover wall of fan cover is sleeved with a locking sleeve, wherein the right end of locking sleeve has the tendency of gradually expanding outward;The outer circumferential wall of fan cover has at least two groups of same fixed components, wherein the fixed component includes the channel vertically opened on the outer circumferential cover wall of fan cover, and the middle part of channel is wider than both ends;The movable rod is movably arranged in the channel;The middle rod wall of movable rod is fixedly connected with the baffle, and the baffle is located in the middle part of channel;The spring is also sleeved on the middle rod wall of movable rod;The shell of motor body has the clamping hole matched with the lower end of movable rod;The end face of fan cover has an air outlet, and the dustproof mechanism is arranged on the air outlet. The patent can play the effect of cooling motor, but the cooling effect is not good because the fan is installed in the fan cover. SUMMARY

[0004] In order to overcome the shortcomings and deficiencies existing in the prior art, the utility model aims at providing a motor air duct structure and motor class product of cooling and noise reduction.

[0005] The utility model discloses a motor air duct structure of cooling and noise reduction, including the fan cover for covering in the motor outside, and the motor includes the stator, the rotor of the sleeve set in the stator and the output shaft of the sleeve joint in the middle part of rotor, and the top of output shaft passes through the top of fan cover and extends upwards, and the bottom of fan cover is provided with the air inlet, and the outside of air inlet is provided with the axial flow fan blade, and the bottom of output shaft passes through air inlet and is fixedly connected with the axial flow fan blade, and the top of fan cover is fixed with the air outlet pipe on both sides, and the air outlet pipe is provided with the air outlet in the communication with the inside of fan cover, and the outside of stator is sleeved with the shockproof sealing ring, and the outside wall of shockproof sealing ring is close to the inside wall of fan cover.

[0006] Further, the fan cover includes oppositely arranged left fan cover and right fan cover, the left side of right fan cover is provided with annular lug, the right side of left fan cover is provided with annular edge slot matched with annular lug, and annular lug is embedded in annular edge slot.

[0007] Further, the right side of the left air baffle is fixed with a plurality of first mounting seats, the left side of the right air baffle is fixed with a second mounting seat corresponding to the position of each first mounting seat, each first mounting seat is provided with a mounting hole, each mounting hole is sleeved with a screw, and each second mounting seat is provided with a threaded groove.

[0008] Further, the air outlet pipeline is square, and the four corners of the inner side wall of the air outlet pipeline are provided with round corners.

[0009] Further, the air outlet pipeline is square, and the four corners of the inner side wall of the air outlet pipeline are provided with round corners.

[0010] Further, the air outlet pipeline is square, and the four corners of the inner side wall of the air outlet pipeline are provided with round corners.

[0011] Further, the air outlet pipeline is square, and the four corners of the inner side wall of the air outlet pipeline are provided with round corners.

[0012] Further, the air outlet pipeline is square, and the four corners of the inner side wall of the air outlet pipeline are provided with round corners.

[0013] Further, the air outlet pipeline is square, and the four corners of the inner side wall of the air outlet pipeline are provided with round corners.

[0014] Another purpose of the utility model is realized through the following technical scheme: a motor product, the motor product comprises the motor air duct structure.

[0015] The utility model discloses a motor air duct structure has the advantages that the motor air duct structure installs the axial flow fan blade to the outside of the air baffle air inlet, and the shockproof sealing ring that is close to the inner side wall of the air baffle is sleeved on the outside of the stator, the axial flow fan blade compresses the air outside the air baffle into this air duct cavity, generates negative pressure, and the shockproof sealing ring outside the motor makes the airflow only pass through the gap between the motor stator and rotor, forcibly carries out the heat generated by motor power consumption through the air outlet on the both sides of the air baffle, plays the role of strong cooling to the motor.

[0016] The motor air duct structure of the utility model can reduce the motor temperature rise by 15-20K under the same condition, and the noise of the motor can be reduced by 8-10dB, and can be widely applied to motor products with motors, such as juice machines, food processors, mixers, wall breaking machines, grinding machines and choppers. ACCURATE DRAWINGS

[0017] Figure 1 It is the perspective view of the utility model.

[0018] Figure 2 It is the perspective exploded view of the utility model.

[0019] Figure 3 is a sectional view of the utility model.

[0020] Figure 4 is a perspective view of the left wind cover.

[0021] The figure mark is: motor 1, stator 11, rotor 12, output shaft 13, wind cover 2, annular protrusion 20, air inlet 21, air outlet duct 22, air outlet 221, left wind cover 23, annular side groove 231, first mounting seat 232, mounting hole 233, right wind cover 24, annular protruding block 241, second mounting seat 242, screw groove 243, wind shield 25, air vent 251, accommodating hole 26, axial flow fan blade 3, shockproof sealing ring 4, annular recess 41, gasket 5, fixed support 6. Specific implementation

[0022] In order to facilitate the understanding of those skilled in the art, the following combining examples and attached Figures 1-4 Further illustrate the utility model, the content mentioned in the implementation is not the limitation of the utility model.

[0023] See Figures 1-4 A motor air duct structure of cooling and noise reduction, including wind cover 2 for covering on the outside of motor 1, motor 1 includes stator 11, rotor 12 of being set in stator 11 and output shaft 13 of being sleeved in the middle part of rotor 12, the top of output shaft 13 passes through the top of wind cover 2 and extends upwards, the bottom of wind cover 2 is provided with air inlet 21, the outside of air inlet 21 is provided with axial flow fan blade 3, the bottom of output shaft 13 passes through air inlet 21 and is fixedly connected with axial flow fan blade 3, both sides of the top of wind cover 2 are fixed with air outlet duct 22, air outlet duct 22 has air outlet 221 in communication with the inside of wind cover 2, the outside of stator 11 is sleeved with shockproof sealing ring 4, the outside wall of shockproof sealing ring 4 is close to the inside wall of wind cover 2.Specifically, the motor 1 of the utility model does not have a motor shell, the inside of stator 11 is wound with stator coil, the outside of rotor 12 is wound with rotor coil.Shockproof sealing ring 4 can be TPU and other soft rubber materials, and also can play the role of shockproof, the middle of the outside wall of shockproof sealing ring 4 is provided with annular recess 41, the inside wall of wind cover 2 is provided with annular protrusion 20 matched with annular recess 41, annular protrusion 20 is embedded in annular recess 41, so that the outside of shockproof sealing ring 4 and the close of the inside wall of wind cover 2 are more closely.Wind cover 2 is installed with gasket 5 at the position corresponding to axial flow fan blade 3.

[0024] The motor air duct structure of the utility model installs the axial flow fan blade 3 on the outside of the air inlet 21 of the fan cover 2, and the outside of the stator 11 is sleeved with the shockproof sealing ring 4 which is close to the inner side wall of the fan cover 2, the axial flow fan blade 3 compresses the air outside the fan cover 2 into the air duct cavity, generates negative pressure, the shockproof sealing ring 4 outside the motor 1 makes the airflow only pass through the gap between the stator coil and the rotor coil of the motor 1, forcibly takes out the heat generated by the power consumption of the motor 1 through the air outlet 221 on both sides of the fan cover 2, plays the role of strong cooling for the motor 1.

[0025] In the embodiment, the fan cover 2 comprises oppositely arranged left fan cover 23 and right fan cover 24, the left side of the right fan cover 24 is provided with annular protrusion 241, the right side of the left fan cover 23 is provided with annular side groove 231 matched with the annular protrusion 241, and the annular protrusion 241 is embedded in the annular side groove 231. The above-mentioned structure is convenient for dismounting and mounting the fan cover 2.

[0026] In the embodiment, the right side of the left fan cover 23 is fixed with a plurality of first mounting seat 232, the left side of the right fan cover 24 is fixed with second mounting seat 242 corresponding to the position of each first mounting seat 232, each first mounting seat 232 is provided with mounting hole 233, each mounting hole 233 is sleeved with screw (not shown in the figure), each second mounting seat 242 is provided with screw groove 243, and the tail end of each screw is screwed in the corresponding screw groove 243. The above-mentioned structure is convenient for mounting and fixing the fan cover 2.

[0027] In the embodiment, the air outlet pipeline 22 is square, and the four corners of the inner side wall of the air outlet pipeline 22 are provided with round corners. The round corner design of the air outlet 221 can reduce the high-frequency whistle sound generated by wind impact.

[0028] In the embodiment, the air outlet 221 is fixedly provided with wind baffle 25, and the wind baffle 25 is uniformly provided with a plurality of strip-shaped ventilation holes 251. The above-mentioned structure can reduce noise.

[0029] In the embodiment, the wind baffle 25 is inclined from top to bottom from inside to outside. The above-mentioned structure can reduce noise.

[0030] In the embodiment, the middle part of the ventilation hole 251 is square, and the two ends of the ventilation hole 251 are semicircular. The round corner design of the ventilation hole 251 can reduce the high-frequency whistle sound generated by wind impact.

[0031] In the embodiment, the top of the fan cover 2 is provided with accommodating hole 26 matched with the top of the motor 1, and the top of the motor 1 is embedded in the accommodating hole 26 in the top of the fan cover 2. The above-mentioned structure is convenient for mounting and fixing the fan cover 2.

[0032] In the embodiment, the top of the motor 1 is fixed with a fixing support 6, and the top of the fan cover 2 abuts against the bottom of the fixing support 6. The above structure facilitates the installation and fixation of the fan cover 2.

[0033] The motor product can be a juicer, a food processor, a blender, a blender, a grinder and a chopper, or other motor products with the motor 1.

[0034] The above embodiment is a preferred implementation scheme of the utility model, in addition, the utility model can be realized in other ways, and any obvious replacement without departing from the utility model concept is within the protection scope of the utility model.

Claims

1. A motor air duct structure capable of reducing temperature and noise, comprising an air cover for covering outside of a motor, the motor comprising a stator, a rotor sleeved in the stator, and an output shaft sleeved in a middle part of the rotor, a top part of the output shaft penetrating through a top part of the air cover upward and extending out, characterized in that: The bottom of the wind cover is provided with an air inlet, the outer side of the air inlet is provided with an axial fan blade, the bottom of the output shaft passes through the air inlet and is fixedly connected with the axial fan blade, the top of the wind cover is fixedly provided with an air outlet pipe, the air outlet pipe is provided with an air outlet communicated with the inside of the wind cover, the outer side of the stator is sleeved with a shockproof sealing ring, and the outer side wall of the shockproof sealing ring is tightly attached to the inner side wall of the wind cover.

2. The motor air duct structure capable of reducing temperature and noise according to claim 1, characterized in that: The wind cover comprises a left wind cover and a right wind cover arranged oppositely, the left side of the right wind cover is provided with an annular protrusion, and the right side of the left wind cover is provided with an annular side groove matched with the annular protrusion, and the annular protrusion is embedded in the annular side groove.

3. The motor air duct structure capable of reducing temperature and noise according to claim 2, characterized in that: The right side of the left wind cover is fixedly provided with a plurality of first mounting seats, the left side of the right wind cover is fixedly provided with a second mounting seat corresponding to the position of each first mounting seat, each first mounting seat is provided with a mounting hole, each mounting hole is sleeved with a screw, and each second mounting seat is provided with a threaded groove.

4. The motor air duct structure capable of reducing temperature and noise according to claim 1, characterized in that: The air outlet pipe is square, and the four corners of the inner side wall of the air outlet pipe are provided with round corners.

5. The motor air duct structure capable of reducing temperature and noise according to claim 1, characterized in that: The air outlet is fixedly provided with a baffle, and the baffle is uniformly provided with a plurality of strip-shaped ventilation holes.

6. The motor air duct structure capable of reducing temperature and noise according to claim 5, characterized in that: The baffle is arranged from top to bottom and from inside to outside.

7. The motor air duct structure capable of reducing temperature and noise according to claim 5, characterized in that: The middle part of the ventilation hole is square, and the two ends of the ventilation hole are semicircular.

8. The motor air duct structure capable of reducing temperature and noise according to claim 1, characterized in that: The top of the wind cover is provided with a containing hole matched with the top of the motor, and the top of the motor is embedded in the containing hole of the top of the wind cover.

9. The motor air duct structure of claim 1, wherein: The top of the motor is fixedly provided with a fixed support, and the top of the wind cover abuts against the bottom of the fixed support.

10. A motor class product, characterized by: The motor product comprises the motor air duct structure of any one of claims 1-9.

Citation Information

Patent Citations

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    CN207848051U