CN208112380U - A kind of bearing-free dither motor - Google Patents
A kind of bearing-free dither motor Download PDFInfo
- Publication number
- CN208112380U CN208112380U CN201820719752.7U CN201820719752U CN208112380U CN 208112380 U CN208112380 U CN 208112380U CN 201820719752 U CN201820719752 U CN 201820719752U CN 208112380 U CN208112380 U CN 208112380U
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- Prior art keywords
- cover
- ring body
- rear cover
- free
- bearing
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Abstract
The utility model discloses a kind of bearing-free dither motor, it includes base, stator, rotor, shaft, front and rear cover;Shaft two axial ends bearing-free;The middle part of front and rear cover is arranged in annular protrusion to annular protrusion, tapered raceway is extended with;The outer end of front and rear cover is provided with cover, a cylindrical heat dissipation water cavity is formed between cover and front and rear cover, the inside of heat dissipation water cavity is coaxially arranged with the first ring body and the second ring body, first ring body and the second ring body are separately positioned on cover and front and rear cover, and a zigzag circulating water channel is formed between the first ring body and the second ring body;Water inlet pipe and outlet pipe are provided on cover;Sealing ring is provided between cover and front and rear cover.The purpose of the utility model is to provide a kind of bearing-free dither motors, and structure is simple, is easily installed, and are able to carry out rapid heat dissipation, improve heat dissipation effect, it is ensured that the normal operation of bearing-free dither motor further improves service life.
Description
Technical field
The utility model relates to a kind of vibrating motor, specially a kind of bearing-free dither motor.
Background technique
Vibrating motor is the exciting source that power source and vibration source are combined as a whole, and vibrating motor is respectively pacified at armature spindle both ends
One group of adjustable eccentric block is filled, obtains exciting force using the centrifugal force that axis and eccentric block high speed rotation generate.High-frequency vibration electricity at present
Machine has been widely used in industrial departments such as construction of hydropower facilities, thermal power generation, building, building materials, chemical industry, mining, coal, metallurgy, light industrys.
The patent No.:CN205304491U provides a kind of bearing-free planetary roller type dither motor, machine shaft two
Shaft end bearing-free, front and rear cover install a tapered raceway respectively, and shaft two axial ends outer surface is and tapered raceway angle of taper
The similar cone to match, shaft two axial ends are placed in tapered raceway, extend long service life, improve oscillation intensity and
Vibration frequency;At runtime, shaft high frequency motion in tapered raceway, shaft high-speed friction in tapered raceway, the position produce
Raw a large amount of heat, increases the temperature in vibrating motor rapidly, easily causes failure, and end uses an exhaust system,
It radiates to it, effect is undesirable;Therefore, which also needs to improve.
Utility model content
The purpose of this utility model is in view of the above problems, providing a kind of bearing-free dither motor, structure is simple, easily
In installation, it is able to carry out rapid heat dissipation, improves heat dissipation effect, it is ensured that the normal operation of bearing-free dither motor,
Further improve service life.
In order to achieve the above object, the technical solution adopted in the utility model is:It include base, stator, rotor, shaft,
Front and rear cover;Shaft two axial ends bearing-free;The center of front and rear cover is separately installed with the cone that an inner surface is cone
Shape raceway, both ends of the shaft outer surface are the similar cone to match to tapered raceway angle of taper, and shaft two axial ends are placed in cone
In shape raceway, stator winding uses double-winding structure, wherein a set of for starting winding;The middle part of front and rear cover is to being extended with annular
Protrusion, tapered raceway are arranged in annular protrusion;The outer end of front and rear cover is provided with cover, between cover and front and rear cover
A cylindrical heat dissipation water cavity is formed, the inside for the water cavity that radiates is coaxially arranged with the first ring body and the second ring body, the first ring body
It is separately positioned on cover and front and rear cover with the second ring body, forms a zigzag circulation between the first ring body and the second ring body
Aquaporin;Water inlet pipe and outlet pipe are provided on cover;Sealing ring is provided between cover and front and rear cover.
Further, the first ring body is welded and fixed with cover, front and rear cover respectively with the second ring body.
Further, it is semicircular longitudinal radiating groove, end that several cross sections are provided on the outer circumference surface of stator core
It covers and is provided with heat release hole, the ventilation opening being installed on the fan housing outside end cap is connected to exhaust system.
Further, rotor end ring position is equipped with big cooling fin.
The beneficial effects of the utility model:The utility model provides a kind of bearing-free dither motor, and structure is simple,
It is easily installed, is able to carry out rapid heat dissipation, improves heat dissipation effect, it is ensured that the normal fortune of bearing-free dither motor
Row, further improves service life.
The first ring body and the second ring body are coaxially arranged in the inside of heat dissipation water cavity in the utility model, the first ring body and the
Two ring bodies are separately positioned on cover and front and rear cover, and it is logical that a zigzag recirculated water is formed between the first ring body and the second ring body
Road, when operation, cold water is flowed into from water inlet pipe, is concentrated by zigzag circulating water channel and is inhaled the heat at annular protrusion
It is attached, flowed out of the water outlet pipe after heat absorption, achieve the effect that rapid cooling, it is ensured that bearing-free dither motor it is normal
Operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is cover and front and rear cover splicing structure schematic diagram in the utility model.
Label character described in figure is expressed as:1, base;2, stator;3, rotor;4, shaft;5, front and rear cover;6, taper
Raceway;7, fan housing;8, exhaust system;9, cover;10, sealing ring;11, outlet pipe;12, the first ring body;13, the second ring body;14,
Water inlet pipe;15, radiate water cavity;201, stator winding;501, heat release hole;502, annular protrusion;701, ventilation opening.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to the accompanying drawing to this reality
Be described in detail with novel, the description of this part be only it is exemplary and explanatory, should not be to the protection scope of the utility model
There is any restriction effect.
As Figure 1-Figure 2, the specific structure of the utility model is:It includes base 1, stator 2, rotor 3, shaft 4, preceding
Rear end cap 5;4 two axial ends bearing-free of shaft;The center of front and rear cover 5 is separately installed with the cone that an inner surface is cone
Shape raceway 6,4 both ends outer surface of shaft are the similar cone to match to 6 angle of taper of tapered raceway, and 4 two axial ends of shaft are set
In in tapered raceway 6, stator winding 201 uses double-winding structure, wherein a set of for starting winding;The middle part of front and rear cover 5 to
It is extended with annular protrusion 502, tapered raceway 6 is arranged in annular protrusion 502;The outer end of front and rear cover 5 is provided with cover
9, a cylindrical heat dissipation water cavity 15 is formed between cover 9 and front and rear cover 5, the inside of heat dissipation water cavity 15 is coaxially arranged with the
One ring body 12 and the second ring body 13, the first ring body 12 and the second ring body 13 are separately positioned on cover 9 and front and rear cover 5, and first
A zigzag circulating water channel is formed between ring body 12 and the second ring body 13;Water inlet pipe 14 and outlet pipe are provided on cover 9
11;Sealing ring 10 is provided between cover 9 and front and rear cover 5.
Preferably, the first ring body 12 is welded and fixed with cover 9, front and rear cover 5 respectively with the second ring body 13.
Preferably, it is semicircular longitudinal radiating groove, end cap that several cross sections are provided on the outer circumference surface of stator core
On be provided with heat release hole 501, the ventilation opening 701 on fan housing 7 being installed on outside end cap is connected to exhaust system 8.
Preferably, 3 end ring position of rotor is equipped with big cooling fin.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
Specific case used herein is expounded the principles of the present invention and embodiment, above example
Illustrate the method and its core concept for being merely used to help understand the utility model.The above is only the preferred of the utility model
Embodiment, it is noted that due to the finiteness of literal expression, and objectively there is unlimited specific structure, for this technology
For the those of ordinary skill in field, without departing from the principle of this utility model, several improvement, retouching can also be made
Or variation, above-mentioned technical characteristic can also be combined in the right way;These improve retouching, variation or combination, or not
It is improved that the conception and technical scheme of utility model are directly applied into other occasions, it is regarded as the protection of the utility model
Range.
Claims (4)
1. a kind of bearing-free dither motor, it includes base(1), stator(2), rotor(3), shaft(4), front and rear cover
(5);Shaft(4)Two axial ends bearing-free;Front and rear cover(5)Center be separately installed with an inner surface be cone cone
Shape raceway(6), shaft(4)Both ends outer surface is and tapered raceway(6)The similar cone that angle of taper matches, shaft(4)
Two axial ends are placed in tapered raceway(6)It is interior, stator winding(201)Using double-winding structure, wherein a set of for starting winding;Its feature
It is, front and rear cover(5)Middle part to being extended with annular protrusion(502), tapered raceway(6)It is arranged in annular protrusion
(502)It is interior;Front and rear cover(5)Outer end be provided with cover(9), cover(9)With front and rear cover(5)Between formed a cylinder
Heat dissipation water cavity(15), radiate water cavity(15)Inside be coaxially arranged with the first ring body(12)With the second ring body(13), the first ring
Body(12)With the second ring body(13)It is separately positioned on cover(9)And front and rear cover(5)On, the first ring body(12)With the second ring body
(13)Between formed a zigzag circulating water channel;Cover(9)On be provided with water inlet pipe(14)And outlet pipe(11);Cover(9)
With front and rear cover(5)Between be provided with sealing ring(10).
2. a kind of bearing-free dither motor according to claim 1, which is characterized in that the first ring body(12)With second
Ring body(13)Respectively with cover(9), front and rear cover(5)It is welded and fixed.
3. a kind of bearing-free dither motor according to claim 1, which is characterized in that stator(2)The outer circle of iron core
It is semicircular longitudinal radiating groove that several cross sections are provided on circumferential surface, is provided with heat release hole on end cap(501), it is installed on outside end cap
Fan housing(7)On ventilation opening(701)With exhaust system(8)Connection.
4. a kind of bearing-free dither motor according to claim 3, which is characterized in that rotor(3)End ring position peace
Equipped with big cooling fin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820719752.7U CN208112380U (en) | 2018-05-15 | 2018-05-15 | A kind of bearing-free dither motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820719752.7U CN208112380U (en) | 2018-05-15 | 2018-05-15 | A kind of bearing-free dither motor |
Publications (1)
Publication Number | Publication Date |
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CN208112380U true CN208112380U (en) | 2018-11-16 |
Family
ID=64114644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820719752.7U Expired - Fee Related CN208112380U (en) | 2018-05-15 | 2018-05-15 | A kind of bearing-free dither motor |
Country Status (1)
Country | Link |
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CN (1) | CN208112380U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112003421A (en) * | 2020-08-24 | 2020-11-27 | 淮阴工学院 | High-performance stator permanent magnet type bearingless motor |
-
2018
- 2018-05-15 CN CN201820719752.7U patent/CN208112380U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112003421A (en) * | 2020-08-24 | 2020-11-27 | 淮阴工学院 | High-performance stator permanent magnet type bearingless motor |
CN112003421B (en) * | 2020-08-24 | 2022-01-28 | 淮阴工学院 | High-performance stator permanent magnet type bearingless motor |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 Termination date: 20190515 |