CN213783030U - Wide-temperature range motor capable of eliminating influence of expansion with heat and contraction with cold - Google Patents
Wide-temperature range motor capable of eliminating influence of expansion with heat and contraction with cold Download PDFInfo
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- CN213783030U CN213783030U CN202023314353.9U CN202023314353U CN213783030U CN 213783030 U CN213783030 U CN 213783030U CN 202023314353 U CN202023314353 U CN 202023314353U CN 213783030 U CN213783030 U CN 213783030U
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- taper sleeve
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Abstract
A wide temperature motor capable of eliminating the effect of expansion with heat and contraction with cold in the technical field of motors comprises a motor shell, a motor shaft, a bearing wave washer, a motor rotor, a motor stator, a stator retainer ring, a stator taper sleeve and a stator wave washer; the bearing is arranged between the motor shaft and the bearing wave washer, the bearing wave washer is arranged between the bearing and the motor shell, and the bearing wave washer is used for absorbing and correcting a gap between the bearing and the motor shell; the stator taper sleeve is arranged between the motor stator and the motor shell and used for absorbing and correcting a gap between the motor stator and the motor shell. The utility model discloses can prevent between the spare part that the cooperation from changing because of coefficient of expansion's difference, prevent to lead to motor work to break down.
Description
Technical Field
The utility model relates to a wide warm electric machine in motor technical field, especially a wide warm electric machine that can eliminate expend with heat and contract with cold effect influence with stator tapering cover.
Background
Along with the rapid development of science and technology, the motor application field is widening constantly, and motor service environment is also diverse, and wide temperature motor is one of them, and its service environment temperature range is great relatively, has just so appeared because the difference in temperature span is big, and cause expend with heat and contract with cold effect, lead to the cooperation between the spare part to appear changing because of the difference of coefficient of expansion, lead to motor work to break down the scheduling problem. The most significant of them are: the problem of matching the bearing with the shell; the matching problem of the motor stator and the shell. The bearing material is bearing steel, and the shell generally chooses the aluminum alloy because of the light-weighted requirement of motor, and the coefficient of thermal expansion of these two kinds of materials differs great, satisfies the condition of motor low temperature operation, and the in-process problem of temperature rise will show gradually, for example original interference fit will become the transition, becomes the clearance, and the cooperation of bearing and shell becomes loose, and the cooperation of stator and shell becomes loose, otherwise the cooperation becomes tight, still probably appears because the too big problem such as shell fracture appears of magnitude of interference.
Disclosure of Invention
The utility model discloses to prior art's not enough, provide a can eliminate wide warm motor of expend with heat and contract with cold effect influence, through adding bearing wave form packing ring and stator tapering cover in motor element, can prevent to cooperate between the spare part because coefficient of expansion's difference and change appears, prevent to lead to motor work to break down.
The utility model is realized by the following technical proposal, the utility model comprises a motor shell, a motor shaft, a bearing wave washer, a motor rotor, a motor stator, a stator retainer ring, a stator taper sleeve and a stator wave washer; the motor shaft, the bearing wave washer and the motor shell are coaxially arranged and are uniformly distributed in the motor shell, the bearing is arranged between the motor shaft and the bearing wave washer, the bearing wave washer is arranged between the bearing and the motor shell, and the bearing wave washer is used for absorbing and correcting a gap between the bearing and the motor shell; the motor comprises a motor rotor, a motor stator, a stator retainer ring, a stator taper sleeve, a stator waveform gasket and a motor shaft, wherein the motor rotor, the motor stator, the stator retainer ring, the stator taper sleeve and the stator waveform gasket are coaxially arranged with the motor shaft and are uniformly distributed in a motor shell; the stator waveform gasket is arranged between the motor stator and the motor shell and is contacted with the outer side of the stator taper sleeve, and the stator waveform gasket is used for pushing the stator taper sleeve to axially slide; the stator retaining ring is embedded in the inner side wall of the motor shell and contacts with the outer side of the motor stator, and the stator retaining ring is used for preventing the motor stator from moving outwards.
Further, the utility model discloses in, the cross section of electric motor rotor, motor stator, stator retaining ring, stator tapering cover is the ring form.
Furthermore, in the present invention, the longitudinal section of the stator taper sleeve is tapered.
Compared with the prior art, the utility model discloses have following beneficial effect and do: the utility model relates to a rationally, bearing wave form packing ring can be used to absorb and revise the clearance between bearing and the motor housing, and stator tapering cover can be used to absorb and revise the clearance between motor stator and the motor housing, can prevent that the cooperation from changing because of coefficient of expansion's difference between the spare part, prevents to lead to motor work to break down.
Drawings
FIG. 1 is a schematic structural view of a wave washer portion of a bearing according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of section A-A in FIG. 1;
fig. 3 is a schematic structural view of a stator taper sleeve portion in an embodiment of the present invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 3;
the motor comprises a motor shell 1, a motor shell 2, a motor shaft 3, a bearing 4, a bearing wave washer 5, a motor rotor 6, a motor stator 7, a stator retainer ring 8, a stator taper sleeve 9 and a stator wave gasket.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments of the present invention are based on the technical solution of the present invention and provide detailed embodiments and specific operation processes, but the scope of the present invention is not limited to the following embodiments.
Examples
As shown in fig. 1 to 5, the present invention includes a motor housing 1, a motor shaft 2, a bearing 3, a bearing wave washer 4, a motor rotor 5, a motor stator 6, a stator retainer ring 7, a stator taper sleeve 8, and a stator wave washer 9; the motor shaft 2, the bearing 3, the bearing wave washer 4 and the motor shell 1 are coaxially arranged and are all arranged in the motor shell 1, the bearing 3 is arranged between the motor shaft 2 and the bearing wave washer 4, the bearing wave washer 4 is arranged between the bearing 3 and the motor shell 1, and the bearing wave washer 4 is used for absorbing and correcting a gap between the bearing 3 and the motor shell 1; the motor rotor 5, the motor stator 6, the stator retainer ring 7, the stator taper sleeve 8, the stator waveform gasket 9 and the motor shaft 2 are coaxially arranged and are uniformly distributed in the motor shell 1, the motor rotor 5 is connected with the motor shaft 2, the motor stator 6 is arranged between the motor rotor 5 and the stator taper sleeve 8, the stator taper sleeve 8 is arranged between the motor stator 6 and the motor shell 1, and the stator taper sleeve 8 is used for absorbing and correcting a gap between the motor stator 6 and the motor shell 1; the stator waveform gasket 9 is arranged between the motor stator 6 and the motor shell 1 and is contacted with the outer side of the stator taper sleeve 8, and the stator waveform gasket 9 is used for pushing the stator taper sleeve 8 to axially slide; stator retaining ring 7 inlays at the inside wall of motor housing 1 and contacts with motor stator 6's outside, and stator retaining ring 7 is used for preventing motor stator 6 from outwards moving. The cross sections of the motor rotor 5, the motor stator 6, the stator retainer ring 7 and the stator taper sleeve 8 are all circular rings, and the longitudinal section of the stator taper sleeve 8 is conical.
The utility model discloses in, use intermediate temperature as the benchmark, when operational environment deviates from intermediate temperature, clearance or increase or reduction between the fitting piece (bearing 3 and motor housing 1) of the inside and outside of bearing wave washer 4, this increase or the clearance that reduces lean on bearing wave washer 4 to absorb and revise, guarantee two relative tight fits. Similarly, when the working environment deviates from the intermediate temperature, the gap between the mating pieces (the motor stator 6 and the motor housing 1) inside and outside the stator taper sleeve 8 is increased or decreased by taking the intermediate temperature as a reference, and the increased or decreased gap pushes the stator taper sleeve 8 to absorb and correct by the waveform gasket 9, so that the two pieces of relative tight fit is ensured.
In the implementation process of the utility model, the outer ring of the bearing 3, the bearing wave washer 4 and the motor shell 1 are in interference fit, and are relatively static except for the effect of expansion with heat and contraction with cold and correction caused by temperature change; the motor stator 6, the stator taper sleeve 8 and the motor shell 1 are in interference fit, and are relatively static except for thermal expansion and cold contraction effects and correction caused by temperature change.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (3)
1. A wide temperature range motor capable of eliminating the effect of expansion with heat and contraction with cold comprises a motor shell, a motor shaft and a bearing, and is characterized by also comprising a bearing wave washer, a motor rotor, a motor stator, a stator retainer ring, a stator taper sleeve and a stator wave gasket;
the motor shaft, the bearing wave washer and the motor shell are coaxially arranged and are uniformly distributed in the motor shell, the bearing is arranged between the motor shaft and the bearing wave washer, the bearing wave washer is arranged between the bearing and the motor shell, and the bearing wave washer is used for absorbing and correcting a gap between the bearing and the motor shell;
the motor rotor, the motor stator, the stator retainer ring, the stator taper sleeve, the stator waveform gasket and the motor shaft are coaxially arranged and are uniformly distributed in the motor shell, the motor rotor is connected with the motor shaft together, the motor stator is arranged between the motor rotor and the stator taper sleeve, the stator taper sleeve is arranged between the motor stator and the motor shell, and the stator taper sleeve is used for absorbing and correcting a gap between the motor stator and the motor shell;
the stator waveform gasket is arranged between the motor stator and the motor shell and is contacted with the outer side of the stator taper sleeve, and the stator waveform gasket is used for pushing the stator taper sleeve to axially slide;
the stator retaining ring is embedded in the inner side wall of the motor shell and contacts with the outer side of the motor stator, and the stator retaining ring is used for preventing the motor stator from moving outwards.
2. The wide temperature range motor capable of eliminating the effects of expansion with heat and contraction with cold according to claim 1, wherein the cross sections of the motor rotor, the motor stator, the stator retainer ring and the stator taper sleeve are all circular rings.
3. The wide temperature range motor capable of eliminating the effects of expansion with heat and contraction with cold as claimed in claim 1, wherein the longitudinal section of the tapered stator sleeve is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023314353.9U CN213783030U (en) | 2020-12-30 | 2020-12-30 | Wide-temperature range motor capable of eliminating influence of expansion with heat and contraction with cold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023314353.9U CN213783030U (en) | 2020-12-30 | 2020-12-30 | Wide-temperature range motor capable of eliminating influence of expansion with heat and contraction with cold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213783030U true CN213783030U (en) | 2021-07-23 |
Family
ID=76900737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023314353.9U Active CN213783030U (en) | 2020-12-30 | 2020-12-30 | Wide-temperature range motor capable of eliminating influence of expansion with heat and contraction with cold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213783030U (en) |
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2020
- 2020-12-30 CN CN202023314353.9U patent/CN213783030U/en active Active
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