CN220985461U - Rotor structure of direct current, dry and wet dual-purpose fan - Google Patents
Rotor structure of direct current, dry and wet dual-purpose fan Download PDFInfo
- Publication number
- CN220985461U CN220985461U CN202320756226.9U CN202320756226U CN220985461U CN 220985461 U CN220985461 U CN 220985461U CN 202320756226 U CN202320756226 U CN 202320756226U CN 220985461 U CN220985461 U CN 220985461U
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- bearing
- rotor
- dry
- direct current
- rotor assembly
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- 239000000853 adhesive Substances 0.000 claims abstract description 17
- 230000001070 adhesive effect Effects 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000005856 abnormality Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a rotor structure of a direct current and dry and wet fan, which comprises a casing, wherein an upper bracket and a lower bracket which are connected with the upper end and the lower end of the casing are respectively arranged at the upper end and the lower end of the casing, a stator assembly and a rotor assembly are arranged in the casing, a stator impeller connected with the lower end of the rotor assembly is arranged at the lower end of the rotor assembly, and an oil seal is arranged at the upper end of the rotor assembly. The utility model has the beneficial effects that: the spring is replaced by a lower one, the shaft sleeve is arranged on the upper part of the rotating shaft, the upper end of the rotating shaft is coated with anaerobic adhesive and then is installed into the inner ring of the upper bracket bearing for standing and solidifying, the installation size of the bearing can be well controlled due to the existence of the shaft sleeve, after the upper end of the rotating shaft is solidified, the lower end of the rotor extends longer, after the spring is installed and the adhesive is coated, the rotating shaft can be preinstalled into the inner ring of the bearing before the whole machine is assembled, and a guide is provided when the motor is assembled, so that the motor abnormality caused by collision during the assembly of the bearing is avoided.
Description
Technical Field
The utility model relates to the technical field of electronic rotor structures, in particular to a rotor structure of a direct current dry-wet dual-purpose fan.
Background
The rotor structure of the existing direct-current brushless dry-wet dual-purpose fan and the floor washing machine can be generally divided into two types according to the rotating shaft structure: an optical axis structure and a stepped axis structure.
The step shaft is simple in structure, namely the step or snap spring on the rotating shaft is used for limiting the position movement of each part on the bearing or the rotor assembly in the rotating shaft, the size of the bearing gear is limited, and the optical axis structure can be divided into an inner ring interference structure or a spring structure according to the assembly mode of the rotating shaft and the inner ring of the bearing.
The existing spring structure is characterized in that a spring is arranged on the upper part and a shaft sleeve is arranged on the lower part of a rotor assembly, when the motor assembly is completed, the shaft sleeve is arranged at the lower end of the rotor assembly, anaerobic adhesive is coated at the mounting position of a lower bearing in advance, and then the lower support is arranged in the lower bearing, and the part is convenient to mount due to the fact that the extending length is long; the shorter end is required to be provided with a spring firstly, anaerobic adhesive is coated at the mounting position of the upper bearing, the upper bracket and the motor shell component are assembled, and the compression spring can provide pretightening force for the upper bearing and the lower bearing after the upper bracket and the motor shell component are mounted in place.
However, the upper bearing is often because the upper end shaft elongation is short, and when the motor is assembled, the rotor magnetic steel deflects to one side due to magnetic force, so that the centering and the assembling of the shaft and the bearing inner ring are difficult, and the bearing is damaged by the rotating shaft during the assembling, so that abnormal operation noise of the motor and abnormal service life of the motor are caused.
Disclosure of utility model
The utility model aims to provide a rotor structure of a direct current and dry and wet fan, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rotor structure of direct current, wet dual-purpose fan futilely, includes the casing, both ends are equipped with upper bracket and the lower carriage of being connected with it respectively about the casing, be equipped with stator module and rotor module in the casing, rotor module lower extreme is equipped with the stator vane wheel of being connected with it, and its upper end is equipped with the oil blanket.
Further preferably, the rotor assembly comprises an optical axis, a shaft sleeve is sleeved on the upper portion of the optical axis, magnetic steel is sleeved on the shaft sleeve, a spring sleeved on the optical axis is arranged on the lower portion of the magnetic steel, the spring is replaced by being arranged below and arranged above the shaft sleeve, and the extending part of the upper end of the rotating shaft is coated with anaerobic adhesive and then is installed in an inner ring of the upper support bearing for standing and fixing.
Further preferably, the optical axis is far away from the top of the other end of the spring is coated with anaerobic adhesive, and the anaerobic adhesive is kept still and solidified with the inner ring of the first bearing arranged in the upper bracket, and the installation size of the bearing can be well controlled due to the existence of the shaft sleeve.
Further preferably, the lower part of the optical axis is coated with anaerobic adhesive, and the anaerobic adhesive is fixedly arranged with the inner ring of the second bearing.
Further preferably, the optical axis is far away from the lower part of the shaft sleeve and the second bearing inner ring arranged in the lower bracket are fixedly installed, and a guide is provided when the motor is assembled, so that the motor abnormality caused by collision during the assembly of the bearing is avoided.
Advantageous effects
According to the rotor structure of the direct current and dry and wet fan, the spring is replaced by the lower position, the shaft sleeve is arranged upwards, the extension part of the upper end of the rotating shaft is coated with anaerobic adhesive and then is installed into the inner ring of the upper bracket bearing for standing and solidification, the installation size of the bearing can be well controlled due to the existence of the shaft sleeve, after the upper end is fixed, the lower end of the rotor extends to be longer, after the spring is installed and the adhesive is coated, the rotating shaft can be preinstalled into the inner ring of the bearing before the whole fan is assembled, and a guide is provided when the motor is assembled, so that the motor abnormality caused by collision during the assembly of the bearing is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a rotor assembly according to the present utility model;
FIG. 3 is a schematic diagram of the overall structure of the prior art;
Fig. 4 is a schematic diagram of a prior art rotor assembly.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Examples
As shown in fig. 1-2, a rotor structure of a direct current, dry and wet fan is characterized in that: the motor comprises a machine shell 1, wherein an upper bracket 2 and a lower bracket 3 which are connected with the machine shell are respectively arranged at the upper end and the lower end of the machine shell 1, a stator assembly 4 and a rotor assembly 5 are arranged in the machine shell 1, a stator impeller 6 which is connected with the rotor assembly 5 is arranged at the lower end of the rotor assembly 5, and an oil seal 7 is arranged at the upper end of the rotor assembly.
In the embodiment, the rotor assembly 5 comprises an optical axis 8, a shaft sleeve 9 is sleeved on the upper part of the optical axis 8, magnetic steel 10 is sleeved on the shaft sleeve 9, a spring 11 sleeved on the optical axis 8 is arranged on the lower part of the magnetic steel 10, anaerobic adhesive is coated on the top of the other end of the optical axis 8, which is far away from the spring 11, and is static-cured with a first bearing inner ring arranged in the upper bracket 2, anaerobic adhesive is coated on the lower part of the optical axis 8, which is far away from the lower part of the shaft sleeve 9, is fixedly mounted with a second bearing inner ring arranged in the lower bracket 3, the spring is arranged below and is arranged above the shaft sleeve, and the extending part of the upper end of the rotating shaft is coated with the anaerobic adhesive and is then mounted in the bearing inner ring of the upper bracket for static-curing; after the upper end is solidified, as the lower end of the rotor extends longer, after the spring is installed and the glue is applied, the rotating shaft can be preinstalled into the bearing inner ring before the whole machine is assembled, and then a guide is provided when the motor is assembled, so that the motor abnormality caused by collision during the assembly of the bearing is avoided;
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the summary of the present utility model within the scope of the present utility model.
Claims (5)
1. A rotor structure of a direct current, dry and wet dual-purpose fan is characterized in that: the novel motor stator is characterized by comprising a machine shell (1), wherein an upper support (2) and a lower support (3) which are connected with the machine shell are respectively arranged at the upper end and the lower end of the machine shell (1), a stator assembly (4) and a rotor assembly (5) are arranged in the machine shell (1), a stator impeller (6) connected with the rotor assembly is arranged at the lower end of the rotor assembly (5), and an oil seal (7) is arranged at the upper end of the rotor assembly.
2. The rotor structure of a direct current, dry and wet dual-purpose fan according to claim 1, wherein: the rotor assembly (5) comprises an optical axis (8), a shaft sleeve (9) is sleeved on the upper portion of the optical axis (8), magnetic steel (10) is sleeved on the shaft sleeve (9), and a spring (11) sleeved on the optical axis (8) is arranged on the lower portion of the magnetic steel (10).
3. The rotor structure of a direct current, dry and wet dual-purpose fan according to claim 2, wherein: the optical axis (8) is far away from the top of the other end of the spring (11) and is coated with anaerobic adhesive, and the anaerobic adhesive and a first bearing inner ring arranged inside the upper bracket (2) are kept still and solidified.
4. The rotor structure of a direct current, dry and wet dual-purpose fan according to claim 2, wherein: the lower part of the optical axis (8) is coated with anaerobic adhesive.
5. The rotor structure of a direct current, dry and wet dual-purpose fan according to claim 2, wherein: the optical axis (8) is far away from the lower part of the shaft sleeve (9) and is fixedly installed on the inner ring of the second bearing arranged in the lower bracket (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320756226.9U CN220985461U (en) | 2023-04-07 | 2023-04-07 | Rotor structure of direct current, dry and wet dual-purpose fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320756226.9U CN220985461U (en) | 2023-04-07 | 2023-04-07 | Rotor structure of direct current, dry and wet dual-purpose fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220985461U true CN220985461U (en) | 2024-05-17 |
Family
ID=91063877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320756226.9U Active CN220985461U (en) | 2023-04-07 | 2023-04-07 | Rotor structure of direct current, dry and wet dual-purpose fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220985461U (en) |
-
2023
- 2023-04-07 CN CN202320756226.9U patent/CN220985461U/en active Active
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| GR01 | Patent grant |