CN215452660U

CN215452660U - Electric machine

Info

Publication number: CN215452660U
Application number: CN202122065630.5U
Authority: CN
Inventors: 袁锦豹
Original assignee: Shanghai Haozun Industrial Co ltd
Current assignee: Shanghai Haozun Industrial Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-07
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to an electric machine comprising: shell, runner assembly and sealing washer, through fixing the sealing washer in the second lid, and the sealing washer cover is established and is served at the second of axis of rotation, the outside of sealing washer and the inside wall butt of second lid can block inside liquid gets into the motor, have fine water-proof effects, be provided with the becket in the cooperation sealing washer for the intensity of sealing washer promotes by a wide margin, non-deformable, thereby make the motor under the high rotational speed condition of liquid operational environment, can have good sealed effect.

Description

Electric machine

Technical Field

The utility model relates to the technical field of motors, in particular to a motor.

Background

With the development of modernization and the progress of industrialization level, mechanical equipment used in industrial production tends to be more and more automatic and intelligent, so that a large amount of manual work can be replaced for automatic production, the investment of labor cost is greatly saved, a motor is a common driving device and is a common power source for the mechanical equipment in industrial production, the motor is used as a power basis for controlling the mechanical equipment, the application is wide, the motor is various and can be selected according to different production requirements, generally, the motor refers to an electromagnetic device for realizing the conversion or transmission of electric energy according to the law of electromagnetic induction, the electric energy can be converted into mechanical energy, the mechanical equipment is driven, and motor products are also developing towards the aspects of speciality, particularity and individuation.

The rotating stator of the existing propeller motor is generally immersed in liquid, and a sealing ring is added on a motor shaft in order to avoid damage caused by direct contact of the internal structure of the motor and the liquid. However, the existing motor has large revolution, when a motor shaft rotates, the sealing ring is easy to wear and deform, so that sealing failure is caused, and liquid corrodes the internal structure of the motor, so that the service life of the motor is shortened rapidly.

SUMMERY OF THE UTILITY MODEL

Based on this, there is a need for an electric machine.

The technical scheme for solving the technical problems is as follows:

an electric machine comprising: the rotary component comprises a shell, a rotary component and a sealing ring;

the housing includes: the portable electronic device comprises a shell main body, a first cover body and a second cover body, wherein one end of the shell main body is detachably connected with the first cover body, the other end of the shell main body is detachably connected with the second cover body, and the second cover body is provided with a rotating hole;

the rotating assembly includes: the stator is arranged on the inner side wall of the shell main body, the rotor is rotatably arranged in the shell main body, the rotating shaft is arranged on the rotor, a first end of the rotating shaft is rotatably connected with the first cover body, a second end of the rotating shaft is rotatably connected with the second cover body, and at least part of the second end of the rotating shaft protrudes out of the rotating hole;

the sealing ring is fixed in the second cover body, the sealing ring is sleeved on the second end of the rotating shaft, the outer side of the sealing ring is abutted against the inner side wall of the second cover body, and a metal ring is arranged in the sealing ring.

In one embodiment, a plurality of arc-shaped grooves are formed in one surface, facing the rotating shaft, of the sealing ring.

In one embodiment, a first waterproof ring is disposed on the housing main body and the first cover body.

In one embodiment, a second waterproof ring is disposed on the housing main body and the second cover body.

In one embodiment, the housing is provided with a plating layer thereon.

In one embodiment, the electroplated layer is provided with an electrocoat layer.

In one embodiment, a first bearing is disposed at a first end of the rotating shaft, a first accommodating groove is formed in the first cover, and an outer side surface of the first bearing is connected with an inner side wall of the first accommodating groove.

In one embodiment, a second bearing is disposed at the second end of the rotating shaft, a second receiving groove is formed in the second cover, and an outer side surface of the second bearing is connected with an inner side wall of the second receiving groove.

The utility model has the beneficial effects that: according to the motor provided by the utility model, the sealing ring is fixed in the second cover body, the sealing ring is sleeved on the second end of the rotating shaft, the outer side of the sealing ring is abutted against the inner side wall of the second cover body, so that liquid can be prevented from entering the motor, a good waterproof effect is achieved, the metal ring is arranged in the sealing ring in a matched manner, the strength of the sealing ring is greatly improved, the sealing ring is not easy to deform, and the motor can have a good sealing effect under the condition of high rotating speed in a liquid working environment.

Drawings

FIG. 1 is a schematic diagram of a motor according to one embodiment;

FIG. 2 is a schematic cross-sectional view of an exemplary electric machine;

fig. 3 is a schematic cross-sectional view of a seal ring according to an embodiment.

In the attached drawings, 10, a motor; 110. a housing main body; 120. a first cover body; 130. a second cover body; 210. a rotating shaft; 220. a rotor; 230. a stator; 300. a seal ring; 310. a metal ring; 320. a rubber ring; 410. a first bearing; 420. a second bearing.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The technical solutions of the present invention will be further described below with reference to the accompanying drawings of the embodiments of the present invention, and the present invention is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the patent, and the specific meanings of the terms will be understood by those skilled in the art according to specific situations.

In one embodiment, as shown in fig. 1 and 2, an electric machine 10 includes: housing, rotating assembly and seal ring 300; the housing includes: the portable electronic device comprises a shell main body 110, a first cover body 120 and a second cover body 130, wherein one end of the shell main body 110 is detachably connected with the first cover body 120, the other end of the shell main body 110 is detachably connected with the second cover body 130, and the second cover body 130 is provided with a rotating hole; the rotating assembly includes: the stator 230 is disposed on an inner sidewall of the case main body 110, the rotor 220 is rotatably disposed in the case main body 110, the rotating shaft 210 is disposed on the rotor 220, a first end of the rotating shaft 210 is rotatably connected to the first cover 120, a second end of the rotating shaft 210 is rotatably connected to the second cover 130, and at least a portion of the second end of the rotating shaft 210 protrudes out of the rotating hole; the sealing ring 300 is fixed in the second cover 130, the sealing ring 300 is sleeved on the second end of the rotating shaft 210, the outer side of the sealing ring 300 is abutted against the inner side wall of the second cover 130, and a metal ring 310 is arranged in the sealing ring 300.

In this embodiment, the case main body 110 is a housing structure having a containing cavity, the first cover 120 and the second cover 130 respectively cover two ends of the case main body 110, and are detachably connected to two ends of the case main body 110, so as to movably close the case main body 110, thereby forming a housing structure, and the stator 230 includes: two sets of magnets, two sets of magnets are opposite magnets respectively, and each set of magnets is provided with a plurality of magnets, two sets of magnets are symmetrically arranged on the inner side wall of the shell main body 110 relative to the central axis of the shell main body 110, so as to generate a magnetic field in the shell main body 110, the rotor 220 is matched with the rotor 220, a coil is wound on the rotor 220, and the coil is electrified, so as to generate electromagnetic induction with the magnetic field, thereby driving the rotor 220 to rotate, a through hole is formed in the rotor 220, the rotating shaft 210 is partially penetrated on the rotor 220 through the through hole, and is fixedly connected with the rotor 220, a rotating hole is formed in the second cover body 130, the second end of the rotating shaft 210 extends out of the shell main body 110 through the rotating hole, protrudes out of the shell main body 110, and rotates through the rotor 220, thereby driving the rotating shaft 210 to rotate, the second end of the rotating shaft 210 is used for being connected with an external component to be driven, thereby being used for driving the component to move, the driving function of the motor 10 is realized.

In this embodiment, as shown in fig. 3, the sealing ring 300 includes a rubber ring 320 and a metal ring 310, the rubber ring 320 is coated on the outer surface of the metal ring 310, the sealing ring 300 is fixed in the second cover 130, and the sealing ring 300 is sleeved on the second end of the rotating shaft 210, an annular groove is formed in the inner side wall of the second cover 130, the outer side of the sealing ring 300 is abutted to the side wall of the annular groove in the second cover 130, so that the sealing ring 300 can be fixed in the second cover 130, and can block liquid from entering the motor 10, thereby having a good waterproof effect, the metal ring 310 is provided in the sealing ring 300, so that the strength of the sealing ring 300 is greatly improved, and is not easy to deform, thereby making the motor 10 under the condition of high rotating speed in the liquid working environment, and having a good sealing effect.

In one embodiment, the second cover 130 is shaped like a funnel or a cone, the end of the second cover 130 with a larger width is detachably connected to the housing main body 110, the rotation hole is formed at the end of the second cover 130 with a smaller width, and the sealing ring 300 is disposed in the end of the second cover 130 with a smaller width, so that the size of the opening communicating with the outside can be reduced, the volume of the sealing ring 300 can be reduced, and the sealing ring 300 is less prone to deformation under a certain strength.

In one embodiment, the sealing ring 300 has a plurality of arc-shaped grooves on a surface facing the rotating shaft 210. Specifically, each arc-shaped groove is provided on the circumferential surface of the seal ring 300 at regular intervals, and each arc-shaped groove is used for accommodating lubricating grease, for example, the lubricating grease can be preferably non-hydrophilic lubricating grease, which not only plays a role of accommodating lubricating grease, but also can lubricate the rotating shaft 210 when the seal ring 300 rotates, thereby reducing the friction force between the rotating shaft 210 and the seal ring 300 and reducing the friction loss of the seal ring 300.

In order to improve the waterproof effect of the motor 10, in one embodiment, a first waterproof ring is disposed on the housing main body 110 and the first cover 120. Specifically, one end of the shell main body 110 is provided with a first external thread, the first cover body 120 is provided with a first internal thread, the first external thread is matched with the first internal thread, the first cover body 120 is in threaded connection with the shell main body 110, the first waterproof ring is sleeved on one end of the shell main body 110, and when the first cover body 120 is in threaded connection with the shell main body 110, the side wall of the first cover body 120 is abutted against the first waterproof ring, so that the waterproof effect of the joint of the shell main body 110 and the first cover body 120 can be improved. In one embodiment, the first cover 120 is screwed to the case main body 110 by forming a first mounting through hole through which a first screw is inserted, so that the first cover 120 is more stably mounted to one end of the case main body 110.

Further, a second waterproof ring is disposed on the case main body 110 and the second cover 130. Specifically, one end of the shell main body 110 is provided with a second external thread, the second cover body 130 is provided with a second internal thread, the second external thread is matched with the second internal thread, the second cover body 130 is in threaded connection with the shell main body 110, the second waterproof ring is sleeved on one end of the shell main body 110, and when the second cover body 130 is in threaded connection with the shell main body 110, the side wall of the second cover body 130 is abutted to the second waterproof ring, so that the waterproof effect of the joint of the shell main body 110 and the second cover body 130 can be improved. In one embodiment, the second cover 130 is screwed to the case main body 110 by forming a second mounting through hole through which a second screw is inserted, so that the second cover 130 is more stably mounted to one end of the case main body 110.

In order to improve the rust prevention effect of the housing, in one embodiment, the housing is provided with a plating layer. Specifically, the electroplated layer uniformly covers the outer shell, that is, the outer side surfaces of the shell main body 110, the first cover body 120 and the second cover body 130, and the electroplated layer is a nickel-plated layer, so that the outer shell made of a metal material can be well protected, and thus, the outer shell has metal texture and a high brightness effect, and meanwhile, the corrosion resistance of the outer shell is improved, and the heat dissipation effect and the impact resistance are good.

Further, an electrophoretic coating layer is arranged on the electroplated layer. Specifically, the electrophoresis application layer evenly covers on the plating layer, evenly cover at shell main part 110 promptly, the outside of the plating layer on first lid 120 and the second lid 130 is on the surface, the electrophoresis application layer can be low temperature electrophoresis lacquer layer, the thickness on electrophoresis application layer is greater than the thickness of plating layer, for example, the thickness of plating layer can be 3um-5um, the thickness on electrophoresis application layer is 5um-10um, and like this, the plating layer that is located the inlayer has protected metal material's shell well, avoid it to rust, and the plating layer has been protected well again to the outer thicker electrophoresis layer, the rust-resistant ability of shell has further been improved.

In one embodiment, as shown in fig. 2, a first bearing 410 is disposed on a first end of the rotating shaft 210, a first receiving groove is formed on the first cover 120, an outer side surface of the first bearing 410 is connected to an inner side wall of the first receiving groove, a second bearing 420 is disposed on a second end of the rotating shaft 210, a second receiving groove is formed on the second cover 130, and an outer side surface of the second bearing 420 is connected to an inner side wall of the second receiving groove. Specifically, both ends of the rotating shaft 210 are respectively provided with a first bearing 410 and a second bearing 420, the rotating shaft 210 is rotatably connected with the first cover body 120 and the second cover body 130 through the first bearing 410 and the second bearing 420, the bearings can play a role in supporting and lubricating, friction is reduced, the rotating shaft 210 and the rotor 220 can better rotate in the shell main body 110, and the installation effect is good.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An electric machine, comprising: the rotary component comprises a shell, a rotary component and a sealing ring;

2. The motor of claim 1, wherein a surface of the seal ring facing the shaft defines a plurality of arcuate grooves.

3. The electric machine of claim 1, wherein a first waterproof ring is disposed over the housing body and the first cover.

4. The electric machine of claim 3, wherein a second waterproof ring is provided over the housing body and the second cover.

5. The machine of claim 1 wherein said housing is provided with a plating.

6. The electric machine of claim 5, wherein the electroplated layer is provided with an electrocoat layer.

7. The motor of claim 1, wherein a first bearing is disposed at a first end of the rotating shaft, a first receiving groove is formed in the first cover, and an outer side surface of the first bearing is connected to an inner side wall of the first receiving groove.

8. The motor of claim 7, wherein a second bearing is disposed at a second end of the rotating shaft, a second receiving groove is formed in the second cover, and an outer side surface of the second bearing is connected to an inner side wall of the second receiving groove.