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CN-224204869-U - Water pump motor with dynamic dustproof heat radiation structure

CN224204869UCN 224204869 UCN224204869 UCN 224204869UCN-224204869-U

Abstract

A water pump motor with a dynamic dustproof heat dissipation structure comprises a motor shell and a motor shaft, wherein a plurality of holes communicated with the inner space of the motor shell are formed in the right end face of the motor shell, a heat dissipation sleeve matched with the motor shell is sleeved outside the right end face of the motor shell, an end cover attached to the heat dissipation sleeve is arranged on the right end face of the heat dissipation sleeve, the right end of the motor shaft penetrates into the heat dissipation sleeve rightwards and is provided with a heat dissipation fan blade, an annular groove is formed in the inner wall of the right portion of the heat dissipation sleeve, a plurality of dustproof holes which are uniformly distributed in the circumference are formed in the left end face of the heat dissipation sleeve, a plurality of air outlet holes communicated with the bottoms of the dustproof holes are formed in the groove wall of the left side of the groove, and sealing pistons matched with the bottoms of the dustproof holes are formed in the bottoms of the dustproof holes. The water pump motor with the dynamic dustproof heat dissipation structure can realize rapid heat dissipation of the motor, prevent external impurities from entering the motor shell, and effectively protect components inside the motor.

Inventors

  • HUANG HAIBING

Assignees

  • 江苏斯莱特水泵股份有限公司

Dates

Publication Date
20260505
Application Date
20250603

Claims (6)

  1. 1. A water pump motor with a dynamic dustproof heat dissipation structure comprises a motor shell and a motor shaft, wherein a plurality of holes communicated with the inner space of the motor shell are formed in the right end face of the motor shell, a heat dissipation sleeve matched with the motor shell is sleeved outside the right end of the motor shell, an end cover matched with the heat dissipation sleeve is arranged on the right end face of the heat dissipation sleeve, a heat dissipation fan blade penetrates right into the heat dissipation sleeve, an annular groove is formed in the inner wall of the right part of the heat dissipation sleeve, a plurality of dustproof holes which are uniformly distributed in circumference are formed in the left end face of the heat dissipation sleeve, a plurality of air outlet holes communicated with the bottoms of the dustproof holes are formed in the left end face of the groove, sealing pistons matched with the dustproof holes are arranged at the bottoms of the dustproof holes, the left end holes of the air outlet holes are blocked and sealed by the sealing pistons, a spring is arranged between the limiting plugs and the sealing pistons, a plurality of heat dissipation holes which are uniformly distributed in the axial direction are formed in the outer wall of the heat dissipation sleeve, the heat dissipation holes are communicated with the dustproof holes, and the heat dissipation holes located on the right side are located on the left side of the piston.
  2. 2. The water pump motor with the dynamic dustproof heat dissipation structure according to claim 1 is characterized in that an annular fixing plate is arranged on the inner wall of the heat dissipation sleeve and is positioned on the right side of the motor shell, a wind shield cover is arranged on the right side wall of the fixing plate and is sleeved outside a motor shaft, the wind shield cover is in a horn shape, the outer diameter of the wind shield cover gradually decreases from left to right, the outer diameter of the right end of the wind shield cover is smaller than the outer diameter of the heat dissipation fan blade, and the wind shield cover is positioned on the left side of the heat dissipation fan blade.
  3. 3. The water pump motor with the dynamic dustproof heat dissipation structure of claim 2, wherein the wind shield and the fixed plate, the end cover and the heat dissipation sleeve and the motor shell are all fixed through a plurality of screws.
  4. 4. The water pump motor with the dynamic dustproof heat dissipation structure according to claim 1, wherein the outer edge of the left end face of the sealing piston is provided with a ring-shaped dust removing part, the dust removing part is sleeved outside the right end of the spring, and the inner wall of the dust removing part is provided with a dust removing conical surface with wide left and narrow right.
  5. 5. The water pump motor with the dynamic dustproof heat dissipation structure of claim 1, wherein the left end of the limiting plug is provided with a rotating part attached to the left end face of the heat dissipation sleeve, the center of the right end face of the limiting plug is provided with a limiting part, and the left end of the spring is sleeved outside the limiting part.
  6. 6. The water pump motor with the dynamic dustproof heat dissipation structure according to claim 1 is characterized in that a plurality of auxiliary holes vertically penetrating through the left end of the air outlet hole are formed in the outer wall of the heat dissipation sleeve, plug plugs matched with the auxiliary holes are screwed on the outer end holes of the auxiliary holes, and a pressing hole penetrating through the auxiliary holes is formed in the center of the bottom of each dustproof hole.

Description

Water pump motor with dynamic dustproof heat radiation structure Technical Field The utility model relates to the field of water pumps, in particular to a water pump motor with a dynamic dustproof heat dissipation structure. Background When the water pump operates, the impeller in the water pump body is driven to rotate mainly by the motor shaft of the water pump motor, so that the water delivery function is realized, when the water pump motor operates, heat can be inevitably generated in the water pump motor, the traditional water pump motor usually adopts a static perforated heat dissipation design, a through hole is formed in the tail part of the motor shell, and natural convection heat dissipation is relied on. However, the heat dissipation mode has serious problems, and because the holes are directly communicated with the inside of the motor shell, dust and water vapor are extremely easy to invade during outdoor operation, so that faults such as winding short circuit and bearing abrasion are caused, the normal use of the motor shell is affected, and finally the service life of the water pump motor is shortened. Disclosure of Invention The utility model aims to solve the technical problem of the prior art and provide the water pump motor with the dynamic dustproof heat dissipation structure, which not only can realize quick heat dissipation of the motor, but also can prevent external impurities from entering the motor shell and effectively protect components inside the motor. The technical scheme adopted for solving the technical problems is as follows: The utility model discloses a water pump motor with a dynamic dustproof heat dissipation structure, which comprises a motor shell and a motor shaft, wherein a plurality of holes communicated with the inner space of the motor shell are formed in the right end face of the motor shell, a heat dissipation sleeve matched with the motor shell is sleeved outside the right end face of the motor shell, an end cover attached to the heat dissipation sleeve is arranged on the right end face of the heat dissipation sleeve, a heat dissipation fan blade penetrates right into the heat dissipation sleeve, an annular groove is formed in the inner wall of the right part of the heat dissipation sleeve, a plurality of dustproof holes which are uniformly distributed in circumference are formed in the left end face of the heat dissipation sleeve, a plurality of air outlet holes communicated with the bottoms of the dustproof holes are formed in the left end face of the groove, a sealing piston matched with the bottoms of the dustproof holes is arranged at the bottoms of the dustproof holes, a limit plug matched with the bottoms of the dustproof holes is sleeved outside the bottoms of the holes of the dustproof holes, a spring is arranged between the limit plug and the sealing piston, a plurality of the heat dissipation holes which are uniformly distributed in the axial direction are formed in the outer wall of the heat dissipation sleeve, the heat dissipation hole is communicated with the dustproof holes, and the heat dissipation hole is positioned at the left side of the right side of the sealing piston. The inner wall of the heat dissipation sleeve is provided with an annular fixing plate, the fixing plate is positioned on the right side of the motor shell, the side wall of the right side of the fixing plate is provided with a wind shield sleeved outside the motor shaft, the wind shield is in a horn shape, the outer diameter of the wind shield gradually decreases from left to right, the outer diameter of the right end of the wind shield is smaller than the outer diameter of the heat dissipation fan blade, and the wind shield is positioned on the left side of the heat dissipation fan blade. The wind shield is fixed with the fixed plate, the end cover is fixed with the heat dissipation sleeve, and the heat dissipation sleeve is fixed with the motor shell through a plurality of screws. The outer edge of the left end face of the sealing piston is provided with a ring-shaped dust removing part which is sleeved outside the right end of the spring, and the inner wall of the dust removing part is provided with a dust removing conical surface which is wide in left and narrow in right. The left end of the limiting plug is provided with a rotating part which is attached to the left end face of the heat dissipation sleeve, the center of the right end face of the limiting plug is provided with a limiting part, and the left end of the spring is sleeved outside the limiting part. The outer wall of the heat dissipation sleeve is provided with a plurality of auxiliary holes vertically communicated with the left end of the air outlet hole, the orifice of the outer end of the auxiliary hole is in threaded connection with a plug screw plug matched with the auxiliary hole, and the center of the bottom of the dustproof hole is provided with a pressing hole communicated with the auxiliary hole. The