CN203039539U - Single-phase asynchronous motor - Google Patents
Single-phase asynchronous motor Download PDFInfo
- Publication number
- CN203039539U CN203039539U CN 201220754387 CN201220754387U CN203039539U CN 203039539 U CN203039539 U CN 203039539U CN 201220754387 CN201220754387 CN 201220754387 CN 201220754387 U CN201220754387 U CN 201220754387U CN 203039539 U CN203039539 U CN 203039539U
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- machine barrel
- rotating shaft
- cavity
- bearing
- asynchronous motor
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides a single-phase asynchronous motor and pertains to the technical field of motors, so as to solve the problems the motor in the prior art is unreasonable in design and poor in heat radiation effect. The single-phase asynchronous motor comprises a base, a cylindrical machine barrel arranged on the base, and a rotary shaft arranged inside the machine barrel and extending axially along the machine barrel, wherein two ends of the machine barrel are respectively provided with a front end cover and a back end cover; the front end of the rotary shaft passes through the front end cover; a rotor is sleeved on the rotary shaft; the machine barrel is internally provided with a stator distributed circumferentially along the rotor; the back end cover is sunk towards the inner part of the machine barrel to form a cavity; the back end of the rotary shaft passes through and is arranged at the bottom of the cavity; a centrifugal switch is arranged inside the cavity; and a back cover for sealing the cavity is arranged at the opening of the cavity. The single-phase asynchronous motor has the advantage that the structure is reasonably designed, the heat radiation effect is good and the like.
Description
Technical field
The utility model belongs to technical field of motors, relates to a kind of monopole asynchronous motor.
Background technology
Along with progress and the expanding economy in epoch, the economic construction develop rapidly, motor as the power source application more and more widely, asynchronous motor be most widely used in all kinds of motor, that requirement is maximum is a kind of.In China, the power consumption of asynchronous motor accounts for more than 60% of total load, generally is applied on the large industry equipment, and the high power epistasis of power can be stablized and obtained generally assert, for huge contribution has been made in economic development.
On existing monopole asynchronous motor centrifugal switch is not set, even be provided with centrifugal switch, then switch also is arranged on the motor field frame outside, in use very easily is subjected to extraneous damage, and reduced its useful life.And when work, the heating of asynchronous electric chance, this just need install radiator structure additional at motor, otherwise the motor insulating barrier of at high temperature working for a long time can be accelerated the burn-in effects electrical machinery life, even motor is burnt.In order to give the motor cooling, the asynchronous machine temperature all is to dispel the heat by setting up radiating ribs at housing, install fan additional in motor one side and strengthen radiating rate, because its structural design is unreasonable, badly influenced the radiating effect of motor, influence is bigger when particularly working under hot environment.Therefore, need improve this radiator structure, to improve the service behaviour of asynchronous motor.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed the monopole asynchronous motor of a kind of good heat dissipation effect, long service life.
The purpose of this utility model can realize by following technical proposal:
A kind of monopole asynchronous motor, comprise base, be located at the tubular machine barrel on the base and be located in this machine barrel along the axially extended rotating shaft of this machine barrel, the two ends of described machine barrel are respectively equipped with front end housing and rear end cap, the front end of above-mentioned rotating shaft passes front end housing, be arranged with rotor in the described rotating shaft, be provided with the stator that distributes along this periphery of rotor in the described machine barrel, it is characterized in that, described rear end cap forms cavity to the machine barrel inner recess, the rear end of above-mentioned rotating shaft is located in the bottom of this cavity, be provided with centrifugal switch in the described cavity, and the opening part of described cavity is provided with the back cover for this cavity of sealing.
In above-mentioned monopole asynchronous motor, also be provided with the fan blade that is set in the rotating shaft in the described machine barrel, described fan blade has air outlet on the described front end housing between front end housing and rotor, have air inlet on the described machine barrel.Fan blade is arranged on the front end place of motor, can effectively saves the space, the structure of reasonable Arrangement motor.
In above-mentioned monopole asynchronous motor, the outside of described cavity bottom is provided with bearing mount pad one, is provided with bearing in the described bearing mount pad one, and above-mentioned rotating shaft is located in this bearing, described bearing and this rotating shaft tight fit.
Bearing mount pad one can play fixation to bearing, in the motor rotation process, can guarantee the stability that rotating shaft is rotated.
In above-mentioned monopole asynchronous motor, the inboard of described front end housing has bearing mount pad two, is provided with bearing in the described bearing mount pad two, and above-mentioned rotating shaft is located in this bearing, described bearing and this rotating shaft tight fit.Bearing mount pad two can play fixation to bearing, in the motor rotation process, can guarantee the stability that rotating shaft is rotated.
In above-mentioned monopole asynchronous motor, the described machine barrel outside is provided with electric capacity.
Compared with prior art, this monopole asynchronous motor has the following advantages:
The good heat dissipation effect of this motor, can be effectively to the cooling of dispelling the heat of its inside, can effectively reduce the problem of motor interior, in the useful life of improving motor, prevent that internal structure from being burnt out; Reasonable in design is arranged on the front end of motor with fan blade, and centrifugal switch is arranged on the rear end of motor, rationally utilizes the space; Between rotating shaft and front end housing and rear end cap, be provided with bearing, improve the flexibility that rotating shaft is rotated, reduce wearing and tearing, improve the useful life of rotating shaft.
Description of drawings
Fig. 1 is the explosive view of a kind of preferred embodiment of providing of the utility model.
Fig. 2 is the cutaway view of a kind of preferred embodiment of providing of the utility model.
Among the figure, 1, base; 2, machine barrel; 3, rotating shaft; 4, front end housing; 5, rear end cap; 6, rotor; 7, stator; 8, cavity; 9, centrifugal switch; 10, back cover; 11, fan blade; 12, the bearing mount pad one; 13, the bearing mount pad two; 14, electric capacity.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Monopole asynchronous motor as shown in Figure 1, it comprises base 1, be located at the tubular machine barrel 2 on the base 1 and be located in this machine barrel 2 along these machine barrel 2 axially extended rotating shafts 3, the two ends of machine barrel 2 are respectively equipped with front end housing 4 and rear end cap 5, and the front end of rotating shaft 3 passes front end housing 4.As depicted in figs. 1 and 2, be arranged with rotor 6 in rotating shaft 3, be provided with the stator 7 that circumferentially distributes along this rotor 6 in the machine barrel 2.
As shown in Figure 2, this rear end cap 5 forms cavity 8 to machine barrel 2 inner recess, and the rear end of rotating shaft 3 is located in the bottom of this cavity 8, is provided with centrifugal switch 9 in the cavity 8, and the opening part of cavity 8 is provided with the back cover 10 for this cavity 8 of sealing.As depicted in figs. 1 and 2, in machine barrel 2, also be provided with the fan blade 11 that is set in the rotating shaft 3, fan blade 11 is between front end housing 4 and rotor 6, has air outlet on the front end housing 4, has air inlet on the machine barrel 2, fan blade 11 is arranged on the front end place of motor, can effectively saves the space, the structure of reasonable Arrangement motor.
Concrete, as depicted in figs. 1 and 2, be provided with bearing mount pad 1 in the outside of cavity 8 bottoms, be provided with bearing in the bearing mount pad 1, rotating shaft 3 is located in this bearing, bearing and this rotating shaft 3 tight fits.Bearing mount pad 1 can play fixation to bearing, in the motor rotation process, can guarantee the stability that rotating shaft 3 is rotated.
As shown in Figure 2, have bearing mount pad 2 13 in the inboard of front end housing 4, be provided with bearing in the bearing mount pad 2 13, rotating shaft 3 is located in this bearing, bearing and this rotating shaft 3 tight fits.Bearing mount pad 2 13 can play fixation to bearing, in the motor rotation process, can guarantee the stability that rotating shaft 3 is rotated.
As shown in Figure 1, be provided with electric capacity 14 in machine barrel 2 outsides.
The good heat dissipation effect of this monopole asynchronous motor, can be effectively to the cooling of dispelling the heat of its inside, can effectively reduce the problem of motor interior, in the useful life of improving motor, prevent that internal structure from being burnt out; Reasonable in design is arranged on the front end of motor with fan blade 11, and centrifugal switch 9 is arranged on the rear end of motor, rationally utilizes the space; Between rotating shaft 3 and front end housing 4 and rear end cap 5, be provided with bearing, improve the flexibility that rotating shaft 3 is rotated, reduce wearing and tearing, improve the useful life of rotating shaft 3.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as base 1, machine barrel 2, rotating shaft 3, front end housing 4, rear end cap 5, rotor 6, stator 7, cavity 8, centrifugal switch 9, back cover 10, fan blade 11, bearing mount pad 1, bearing mount pad 2 13, electric capacity 14 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (5)
1. monopole asynchronous motor, comprise base (1), be located at the tubular machine barrel (2) on the base (1) and be located in this machine barrel (2) along the axially extended rotating shaft of this machine barrel (2) (3), the two ends of described machine barrel (2) are respectively equipped with front end housing (4) and rear end cap (5), the front end of above-mentioned rotating shaft (3) passes front end housing (4), be arranged with rotor (6) in the described rotating shaft (3), be provided with the stator (7) that circumferentially distributes along this rotor (6) in the described machine barrel (2), it is characterized in that, described rear end cap (5) forms cavity (8) to machine barrel (2) inner recess, the rear end of above-mentioned rotating shaft (3) is located in the bottom of this cavity (8), be provided with centrifugal switch (9) in the described cavity (8), and the opening part of described cavity (8) is provided with the back cover (10) for this cavity of sealing (8).
2. a kind of monopole asynchronous motor according to claim 1, it is characterized in that, also be provided with the fan blade (11) that is set in the rotating shaft (3) in the described machine barrel (2), described fan blade (11) is positioned between front end housing (4) and the rotor (6), described front end housing has air outlet on (4), and described machine barrel has air inlet on (2).
3. a kind of monopole asynchronous motor according to claim 1 and 2, it is characterized in that, the outside of described cavity (8) bottom is provided with bearing mount pad one (12), be provided with bearing in the described bearing mount pad one (12), above-mentioned rotating shaft (3) is located in this bearing, described bearing and this rotating shaft (3) tight fit.
4. a kind of monopole asynchronous motor according to claim 3, it is characterized in that, the inboard of described front end housing (4) has bearing mount pad two (13), be provided with bearing in the described bearing mount pad two (13), above-mentioned rotating shaft (3) is located in this bearing, described bearing and this rotating shaft (3) tight fit.
5. a kind of monopole asynchronous motor according to claim 1 and 2 is characterized in that, described machine barrel (2) outside is provided with electric capacity (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220754387 CN203039539U (en) | 2012-12-24 | 2012-12-24 | Single-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220754387 CN203039539U (en) | 2012-12-24 | 2012-12-24 | Single-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203039539U true CN203039539U (en) | 2013-07-03 |
Family
ID=48691624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220754387 Expired - Fee Related CN203039539U (en) | 2012-12-24 | 2012-12-24 | Single-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203039539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107026546A (en) * | 2017-05-29 | 2017-08-08 | 苏州固特斯电子科技有限公司 | A kind of monopole asynchronous motor |
-
2012
- 2012-12-24 CN CN 201220754387 patent/CN203039539U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107026546A (en) * | 2017-05-29 | 2017-08-08 | 苏州固特斯电子科技有限公司 | A kind of monopole asynchronous motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20131224 |