CN210075014U

CN210075014U - Electric corrosion prevention motor and washing machine

Info

Publication number: CN210075014U
Application number: CN201921214227.0U
Authority: CN
Inventors: 何昌羲; 徐跃峰; 康宁; 漆凌君
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Kaibang Motor Manufacture Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Kaibang Motor Manufacture Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-02-14
Anticipated expiration: 2029-07-30

Abstract

The utility model provides a prevent electric erosion motor and washing machine prevents electric erosion motor, including pivot, at least bearing and casing, the bearing housing is established in the pivot. The two ends of the machine shell are provided with metal pieces, the machine shell is further provided with metal rods, the metal pieces are used for conducting the metal rods and the rotating shaft, and the metal pieces, the metal rods and the rotating shaft form a loop consuming induction potential. So as to prevent the formation of a loop inside the bearing, which leads to the occurrence of electric corrosion on the bearing and the surrounding parts. The utility model provides a prevent that electric erosion motor sets up the metalwork at the both ends of casing, sets up the metal pole on the casing, utilizes metalwork, metal pole and pivot to form the return circuit, consumes the induced electromotive force that rotor cutting magnetic induction line formed. So as to prevent the induced potential from being consumed by a loop formed inside the bearing alone, and the bearing and the surrounding parts thereof are damaged due to electric corrosion.

Description

Electric corrosion prevention motor and washing machine

Technical Field

The utility model belongs to the technical field of washing machine, more specifically say, relate to an prevent electric erosion motor and washing machine.

Background

Currently, a drum washing machine has a rotating drum, and transmits power of a motor to the rotating drum by means of a belt and a pulley.

In the working process of a motor in the washing machine, due to the relative rotation of a stator and a rotor, induction potential is easily generated by cutting magnetic induction lines, and induction current is easily generated after potential difference occurs in the motor.

The induced current generated in the motor is mostly induced static shaft current, and the static shaft current is easy to form a loop in the bearing, so that the phenomenon of electric corrosion of the bearing is caused, and the bearing and surrounding parts are easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent electric erosion motor and washing machine to solve the problem that the motor that exists among the prior art produces induced-current and damages bearing and spare part on every side easily.

In order to achieve the above object, the utility model adopts the following technical scheme: the electric corrosion prevention motor comprises a rotating shaft, at least one bearing sleeved on the rotating shaft and a shell; the both ends of casing be equipped with the metalwork that the pivot switched on, still be equipped with on the casing and connect the metal pole of metalwork, metal pole and the pivot forms the return circuit that consumes induced electromotive force.

Furthermore, the metal piece is a metal sheet arranged at one end of the shell and connected with the metal rod and the bearing, and a metal end cover arranged at the other end of the shell.

Furthermore, a support is further arranged on the machine shell, and the metal sheet is arranged on the support.

Furthermore, a groove for accommodating the metal sheet is formed at the joint of the shell and the bracket.

Furthermore, a metal ring is further arranged on the metal sheet, and the metal ring conducts the metal rod and the metal sheet.

Further, still include the installation room in the rotor, the bearing housing is established in the pivot, the bearing setting is in the installation room.

Further, a first bearing and a second bearing are sleeved on the rotating shaft, a first installation chamber and a second installation chamber which are used for installing the first bearing respectively are arranged in the rotor, the metal sheet is conducted with the first installation chamber, and the second installation chamber is conducted with the metal end cover.

Furthermore, the other end of the casing is also provided with an injection molding end cover opposite to the metal end cover, the first installation chamber is close to the injection molding end cover, the second installation chamber is close to the metal end cover, the metal end cover conducts the second bearing chamber and the metal rod, and the injection molding end cover is provided with the groove.

Furthermore, the metal end cover is provided with three fastening holes, the fastening holes are uniformly distributed on the metal end cover, and an included angle between the fastening holes is 120 degrees.

Another object of the present invention is to provide a washing machine, which includes the above-mentioned electric erosion preventing motor.

The utility model provides a beneficial effect of motor lies in: compared with the prior art, the utility model discloses set up the metalwork at the both ends of casing, set up the metal pole on the casing, utilize metalwork, metal pole and pivot to form the return circuit, consume the induced electromotive force that rotor cutting magnetic induction line formed. So as to prevent the induced potential from being consumed by a loop formed inside the bearing alone, and the bearing and the surrounding parts thereof are damaged due to electric corrosion.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an electric corrosion prevention motor according to an embodiment of the present invention;

fig. 2 is a schematic side view of an electric erosion preventing motor according to an embodiment of the present invention;

fig. 3 is a schematic bottom view of an anti-electrical erosion motor according to an embodiment of the present invention;

fig. 4 is a schematic sectional view of an electric corrosion prevention motor according to an embodiment of the present invention.

Wherein, in the drawings, the reference numerals are mainly as follows:

1. a rotating shaft; 2. a housing;

31. a metal sheet; 32. a metal end cap;

4. a metal rod; 5. a support; 6. a groove; 7. a metal ring; 8. a first installation chamber; 9. a second installation chamber; 10. injection molding an end cover; 11. a first bearing; 12. a second bearing.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, an electric corrosion prevention motor according to an embodiment of the present invention will be described. The electric erosion prevention motor comprises a rotating shaft 1, at least one bearing and a shell 2, wherein the bearing is sleeved on the rotating shaft 1. Both ends of casing 2 are provided with the metalwork, still are provided with metal pole 4 on the casing 2, and the metalwork is used for leading through metal pole 4 and pivot 1, and metalwork, metal pole 4 and pivot 1 form the return circuit that consumes induced electromotive force. So as to prevent the formation of a loop inside the bearing, which leads to the occurrence of electric corrosion on the bearing and the surrounding parts.

The utility model provides an prevent electric erosion motor compares with prior art, sets up the metalwork at the both ends of casing 2, sets up metal pole 4 on casing 2, utilizes metalwork, metal pole 4 and pivot 1 to form the return circuit, consumes the induced electromotive force that rotor cutting magnetic induction line formed. So as to prevent the induced potential from being consumed by a loop formed inside the bearing alone, and the bearing and the surrounding parts thereof are damaged due to electric corrosion.

Further, please refer to fig. 1 and fig. 4 together, as a specific embodiment of the electric corrosion motor of the present invention, the metal member includes a metal sheet 31 and a metal end cap 32, the metal sheet 31 is disposed at one end of the housing 2 and connects the metal rod 4 and the bearing, and the metal end cap 32 is disposed at the other end of the housing 2. The metal end cover 32 is detachably connected with the casing 2, so that the rotor can be conveniently disassembled and assembled.

Further, referring to fig. 1 and fig. 2, as a specific embodiment of the electric corrosion prevention motor provided by the present invention, a bracket 5 is disposed on the housing 2, and a metal sheet 31 is disposed on the bracket 5. The support 5 and the casing 2 are integrally formed, and the length of the support 5 is larger than the radial size of the casing 2, so that the metal sheet 31 is convenient to mount.

Further, referring to fig. 1 and fig. 2, as a specific embodiment of the electric corrosion prevention motor provided by the present invention, a groove 6 is formed at a joint of the casing 2 and the bracket 5, and the groove 6 is used for accommodating the metal sheet 31. So that the metal sheet 31 is placed in the groove 6, the upper surface of the metal sheet 31 is lower than the surface of the bracket 5, and the metal sheet 31 is embedded in the groove 6 by an external part conveniently to prevent electric shock.

Further, referring to fig. 1 and fig. 2, as a specific embodiment of the electric corrosion prevention motor provided by the present invention, the metal sheet 31 is further provided with a metal ring 7, the metal ring 7 connects the metal rod 4 and the metal sheet 31, since the contact area between the metal sheet 31 and the metal rod 4 is only the portion of the metal sheet 31 that needs to contact the circumferential surface of the metal rod 4, the contact area is small, and therefore, the metal ring 7 is added to increase the contact surface between the metal sheet 31 and the metal rod 4, so as to prevent poor contact in the electric conduction process.

Further, please refer to fig. 1 and fig. 4, as a specific embodiment of the electric erosion preventing motor provided by the present invention, the rotor further includes an installation chamber therein, the bearing housing is disposed on the rotating shaft 1, and the bearing is installed in the installation chamber, so that the bearing is limited in the bearing chamber.

Further, please refer to fig. 1 to 4, as a specific embodiment of the electric corrosion prevention motor provided by the present invention, a first bearing 11 and a second bearing 12 are sleeved on the rotating shaft 1, a first installation chamber 8 and a second installation chamber 9 are provided in the rotor, and the first bearing 11 and the second bearing 12 are respectively installed in the first installation chamber 8 and the second installation chamber 9. The metal sheet 31 is conducted with the first mounting chamber 8, and the second mounting chamber 9 is conducted with the metal end cap 32. Therefore, a loop of the metal rod 4, the metal sheet 31, the first mounting chamber 8, the first bearing 11, the rotating shaft 1, the second bearing 12, the second mounting chamber 9, the metal end cap 32, and the metal rod 4 is formed.

Further, referring to fig. 1 to 4, as a specific embodiment of the electric corrosion prevention motor provided by the present invention, the other end of the casing 2 is further provided with an injection molding end cap 10, and the injection molding end cap 10 is disposed at the other end of the casing 2 opposite to the metal end cap 32. The first mounting chamber 8 is closer to the injection molding end cover 10, the second mounting chamber 9 is closer to the metal end cover 32, the metal end cover 32 conducts the second bearing 12 chamber and the metal rod 4, and the injection molding end cover 10 is provided with a groove 6. In particular, the end cover 10 is injection molded to enhance the sealing performance and stability of the rotor encapsulated by the casing 2, and the metal end cover 32 is detachably connected with the casing 2 and is also conveniently communicated with the metal rod 4.

Further, referring to fig. 1 and fig. 3, as a specific embodiment of the electric erosion preventing motor of the present invention, three fastening holes are formed in the metal end cover 32, and the fastening holes are uniformly distributed on the metal end cover 32, and an included angle between the fastening holes is 120 °. The fastening holes are uniformly distributed, so that the metal rod 4 is firmer and more uniformly stressed when the machine shell 2 and the bracket 5 are fixed. Of course, the number and distribution positions of the fastening holes can be designed according to actual conditions and requirements.

The utility model also provides a washing machine, washing machine includes above-mentioned anti-electric erosion motor.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A motor comprises a rotating shaft, at least one bearing sleeved on the rotating shaft and a shell; the method is characterized in that: the both ends of casing be equipped with the metalwork that the pivot switched on, still be equipped with on the casing and connect the metal pole of metalwork, metal pole and the pivot forms the return circuit that consumes induced electromotive force.

2. The electric machine of claim 1, wherein: the metal piece is a metal sheet arranged at one end of the shell and connected with the metal rod and the bearing, and a metal end cover arranged at the other end of the shell.

3. The electric machine of claim 2, wherein: the casing is further provided with a support, and the metal sheet is arranged on the support.

4. The electric machine of claim 3, wherein: the joint of the shell and the bracket is provided with a groove for accommodating the metal sheet.

5. The electric machine of claim 3, wherein: and a metal ring is further arranged on the metal sheet and is used for communicating the metal rod with the metal sheet.

6. The electric machine of claim 4, wherein: still include the installation room in the casing, the bearing housing is established in the pivot, the bearing setting is in the installation is indoor.

7. The electric machine of claim 6, wherein: the rotating shaft is sleeved with a first bearing and a second bearing, a first installation chamber and a second installation chamber which are used for installing the first bearing respectively are arranged in the shell, the metal sheet is conducted with the first installation chamber, and the second installation chamber is conducted with the metal end cover.

8. The electric machine of claim 7, wherein: the other end of the casing is further provided with an injection molding end cover opposite to the metal end cover, the first installation chamber is close to the injection molding end cover, the second installation chamber is close to the metal end cover, the metal end cover conducts the second bearing chamber and the metal rod, and the injection molding end cover is provided with the groove.

9. The electric machine of claim 8, wherein: the metal end cover is provided with three fastening holes, the fastening holes are uniformly distributed on the metal end cover, and the included angle between the fastening holes is 120 degrees.

10. A washing machine characterized by: comprising an electric machine according to any of claims 1-9.