CN203896063U - Rotor - Google Patents
Rotor Download PDFInfo
- Publication number
- CN203896063U CN203896063U CN201420279810.0U CN201420279810U CN203896063U CN 203896063 U CN203896063 U CN 203896063U CN 201420279810 U CN201420279810 U CN 201420279810U CN 203896063 U CN203896063 U CN 203896063U
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- CN
- China
- Prior art keywords
- rotor
- rotating shaft
- bearings
- bearing
- fan blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 25
- 239000000853 adhesive Substances 0.000 claims abstract description 12
- 230000001070 adhesive effect Effects 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 230000036316 preload Effects 0.000 abstract 5
- 238000003754 machining Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a rotor applied to a dust collector motor. The rotor comprises a rotating shaft, rotor magnetic steel, a load fan blade, two bearings arranged between the rotor magnetic steel and the load fan blade, and a preload spring respectively providing a preload force for the bearings at two sides. According to the rotor, the bearings are arranged between the load fan blade and the rotor magnetic steel so that the structure of the motor is simplified, the integral size of the motor is reduced, and the machining manufacture of the dust collector motor is facilitated; the preload spring is arranged between the two bearings so that the effect of the preload force enables the bearings to be close to the load fan blade as much as possible, the end swing vibration of the rotor is reduced, and the noise is reduced; the two bearings and the preload spring cooperate with each other so that the stable operation is guaranteed, and materials are effectively saved; the outside of the rotating shaft is provided with grooves so that adhesives can be filled in the grooves, and the rotating shaft and parts arranged on the rotating shaft are fixed; besides, the grooves can prevent the overflow of the adhesives so that the stability of the connection between the rotating shaft and the parts arranged on the rotating shaft is guaranteed.
Description
Technical field
The utility model belongs to the processing and manufacturing technical field of motor of dust collector rotor, is specifically related to a kind of rotor.
Background technology
Dust catcher is to utilize driven by motor blade High Rotation Speed, in the housing of sealing, produces air negative pressure, thereby dirt bits are sucked to the cleaning appliance in dust bag, and dust catcher generally can be divided into vertical, horizontal and portable etc. by structure composition.Along with dust catcher is to miniaturization, portability development, motor of dust collector is as the core component of dust catcher, and the improvement of its structural volume also receives much concern.
Conventional motor of dust collector is generally made up of stator core and rotor, rotor is fixed on output revolving shaft, in rotating shaft, be also fixedly installed load fan blade, it is the two ends of rotating shaft that the bearing of rotating shaft is placed on outside load fan blade and rotor, and such bearing arrangement is compact not, in the time of rigid bearing, one of them bearing is fixed by motor cover, another bearing need to arrange in addition an end cap and fix, and structure is more complicated, and volume is larger; Simultaneously, adopt this structure generally by larger that shelves do of opening of bearing, in running, vibration is obvious, noise is high, affects the normal use of dust catcher can to cause like this motor, easily cause the too early damage of each parts in motor of dust collector, aging, the useful life of reducing dust catcher.
For fear of the structural limitations problem of conventional cleaners motor, one electric machine structure is disclosed in prior art, this electric machine structure adopts a bearing, and bearing is fixed on the mid portion of rotating shaft, and load and rotor are arranged at the two ends of rotating shaft, like this in the time of rigid bearing, can directly bearing be fixed in motor cover, without parts location bearing is set in addition, simplify the structure of motor, make motor complete machine comparatively compact, reduce volume.But in order to ensure stability and the balance of motor rotation, it is longer that general bearing need to do, and will cause the material cost of bearing higher like this, increased the production cost of motor of dust collector.
Therefore, in view of above problem, be necessary to propose a kind of novel rotor structure, to simplify electric machine structure, to reduce motor overall volume, make bearing as much as possible near load, subtract trochantinian end pendular oscillation, reduce noise, in the useful life of improving motor, the use of simultaneously saving material, reduces production costs.
Utility model content
In view of this, the utility model provides a kind of rotor, effectively solves structural limitations of the prior art by bearing being arranged between load fan blade and rotor magnetic steel, has simplified electric machine structure, has reduced motor overall volume; By preloading spring is set between two bearings, make bearing as much as possible near load fan blade, subtract trochantinian end pendular oscillation, reduce noise, in the useful life of improving motor, adopt being used in conjunction with of two bearings and preloading spring, when guarantee is stable, the use of effectively having saved material, reduces production costs.
A kind of rotor proposing according to the purpose of this utility model, be applied on motor of dust collector, described rotor comprises two bearings between rotating shaft, rotor magnetic steel, load fan blade and rotor magnetic steel and load fan blade, and the preloading spring of precompression is provided to the bearing of both sides respectively.
Preferably, described rotor magnetic steel, load fan blade and the equal fixed cover of bearing are located in described rotating shaft.
Preferably, on the circumference corresponding with described rotor magnetic steel, load fan blade and bearing of described rotating shaft outside, offer groove, in described groove, be filled with adhesive.
Preferably, described groove is concave point or groove, and described concave point is arrange along shaft circumference direction one or more, and described groove is one or more snippets setting along shaft circumference direction.
Preferably, described groove is the cannelure arranging along shaft circumference direction, and described cannelure is one or more, and many cannelures be arranged in parallel, and between adjacent two cannelures, spacing equates.
Preferably, rectangular, the arc of the cross section of described groove, U-shaped or polygonized structure.
Preferably, described preloading spring is at least one section that is pressed between two bearings, and in the time adopting multistage preloading spring, multistage preloading spring is set up in parallel.
Preferably, the two ends of described preloading spring are pressed on the outer ring of described bearing.
Preferably, in the opposing side of two bearings, be respectively arranged with for dustproof back-up ring.
Compared with prior art, the advantage of the disclosed rotor of the utility model is:
1, effectively solve structural limitations of the prior art by bearing being arranged between load fan blade and rotor magnetic steel, simplified electric machine structure, reduced motor overall volume, be convenient to the processing and manufacturing of motor of dust collector.
2,, by preloading spring is set between two bearings, the pretightning force effect of preloading spring makes bearing as much as possible near load fan blade, subtracts trochantinian end pendular oscillation, reduces noise, reduces the damage of motor, improves the useful life of motor.
3, adopt the mating reaction of two bearings and preloading spring, when guarantee is stable, the use of effectively having saved material, reduces production costs.
4, on the circumference corresponding with rotor magnetic steel, load fan blade and bearing of rotating shaft outside, offer groove, by filling adhesive in groove, realize fixing of rotating shaft and upper-part thereof; Meanwhile, groove is set and also can avoids overflowing of adhesive, ensure the stability that rotating shaft is connected with its upper-part.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed a kind of rotor of the utility model.
Fig. 2 is the structural representation of rotating shaft.
The title of the numeral in figure or the corresponding component of alphabetical representative:
1, rotating shaft 2, rotor magnetic steel 3, load fan blade 4, upper bearing (metal) 5, lower bearing 6, preloading spring 7, back-up ring 11, groove
Embodiment
The bearing of conventional motor of dust collector is placed on the two ends of rotating shaft, and such bearing arrangement is compact not, and structure is more complicated, and volume is larger; Meanwhile, because bearing leaves shelves and causes greatly motor vibration is large in running, noise is high, affect the normal use of dust catcher, the useful life of reduction dust catcher.In prior art, disclosed electric machine structure adopts a bearing to be fixed on the mid portion of main shaft, load and rotor are arranged at the two ends of rotating shaft, but in order to ensure stability and the balance of motor rotation, it is longer that bearing generally need to do, the material cost of bearing is higher, thereby has increased the production cost of motor of dust collector.
The utility model, for deficiency of the prior art, provides a kind of rotor, effectively solves structural limitations of the prior art by bearing being arranged between load fan blade and rotor magnetic steel, has simplified electric machine structure, has reduced motor overall volume; By preloading spring is set between two bearings, make bearing as much as possible near load fan blade, subtract trochantinian end pendular oscillation, reduce noise, in the useful life of improving motor, adopt being used in conjunction with of two bearings and preloading spring, when guarantee is stable, the use of effectively having saved material, reduces production costs.
To be clearly and completely described the technical solution of the utility model by embodiment below.Obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of rotor, be applied on motor of dust collector, rotor comprise rotating shaft 1, with sheathed rotor magnetic steel 2, the load fan blade 3 being fixed in rotating shaft 1, and two bearings between rotor magnetic steel 2 and load fan blade 3, be respectively upper bearing (metal) 4 and lower bearing 5, and be positioned between two bearings and the preloading spring 6 of precompression is provided to the bearing of both sides respectively.
By bearing being arranged between load fan blade 3 and rotor magnetic steel 2, make the overall structure of motor comparatively compact, simplify the structure of motor, reduce volume, effectively solve structural limitations of the prior art, be convenient to the processing and manufacturing of motor of dust collector, enhanced productivity.
By preloading spring 6 is set between two bearings, the precompression to both sides producing by preloading spring 6 makes bearing as much as possible near load fan blade, subtracts trochantinian end pendular oscillation, reduces noise, reduces the damage of motor, improves the useful life of motor.
Two bearings coordinate an entirety of formation with preloading spring, whole long bearing of more traditional employing compared, and materials'use amount is few, has effectively saved the use of material, reduces production costs.And the overall length of this combination is longer, general about 1/3 part that occupies rotating shaft, balance and stability can effectively ensure rotating shaft operation time.Wherein, the pretension parts between two bearings, except adopting preloading spring, also can adopt the flexible members such as rubber, specifically do not limit.
Preloading spring 6 can be at least one section that is pressed between two bearings, and in the time adopting multistage preloading spring, multistage preloading spring is set up in parallel, and ensures that the external diameter size of each section of preloading spring approaches, and effectively ensures the pretightning force of spring.
The two ends of preloading spring 6 are pressed on the outer ring of bearing.The external diameter equal and opposite in direction of the external diameter of preloading spring and bearing outer ring or be slightly less than its external diameter, ensures that preloading spring effectively contacts with bearing outer ring, and specifically size does not limit.
As shown in Figure 2, on the circumference corresponding with rotor magnetic steel 2, load fan blade 3 and bearing of rotating shaft 1 outside, offer groove 11, by filling adhesive in groove, realize the fixing of rotating shaft and upper-part thereof; Meanwhile, groove is set and also can avoids adhesive to overflow, ensure the stability that rotating shaft is connected with its upper-part.Wherein, adhesive can be glue etc.
Wherein, groove 11 can be concave point or groove, and concave point or groove are the multiple or multistage arranging along rotating shaft 1 circumferencial direction.Multiple grooves can be arranged on same circumference, and evenly arrange, and ensure the stability connecting.
Wherein, groove 11 is along one or more of shaft circumference direction setting, can effectively ensure to be connected and fixed, and concrete quantity does not limit.Many groove can be arranged in parallel, and between two grooves, spacing equates, does not specifically limit.
In the opposing side of two bearings, be respectively arranged with for dustproof back-up ring 7.
A method for processing and assembling for rotor, concrete steps are as follows:
(1), machine-shaping rotating shaft, determine the position of rigid bearing in rotating shaft, rotor magnetic steel and load fan blade, and at each bearing machine-shaping at least one groove respectively;
(2), to filling adhesive in groove;
(3), successively load fan blade, back-up ring, upper bearing (metal), preloading spring, lower bearing, back-up ring, rotor magnetic steel are individually fixed in rotating shaft, ensure that preloading spring is in impaction state simultaneously.
The utility model discloses a kind of rotor, be applied on motor of dust collector, this rotor comprises rotating shaft, rotor magnetic steel, load fan blade, and two bearings between rotor magnetic steel and load fan blade, and the preloading spring of precompression is provided to the bearing of both sides respectively.Effectively solve structural limitations of the prior art by bearing being arranged between load fan blade and rotor magnetic steel, simplified electric machine structure, reduced motor overall volume, be convenient to the processing and manufacturing of motor of dust collector.
By preloading spring is set between two bearings, the pretightning force effect of preloading spring makes bearing as much as possible near load fan blade, subtracts trochantinian end pendular oscillation, reduces noise, reduces the damage of motor, improves the useful life of motor.
Adopt the mating reaction of two bearings and preloading spring, when guarantee is stable, the use of effectively having saved material, reduces production costs.
On the circumference corresponding with rotor magnetic steel, load fan blade and bearing of rotating shaft outside, offer groove, by filling adhesive in groove, realize fixing of rotating shaft and upper-part thereof; Meanwhile, groove is set and also can avoids overflowing of adhesive, ensure the stability that rotating shaft is connected with its upper-part.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a rotor, is applied on motor of dust collector, it is characterized in that, described rotor comprises two bearings between rotating shaft, rotor magnetic steel, load fan blade and rotor magnetic steel and load fan blade, and the preloading spring of precompression is provided to the bearing of both sides respectively.
2. rotor as claimed in claim 1, is characterized in that, described rotor magnetic steel, load fan blade and the equal fixed cover of bearing are located in described rotating shaft.
3. rotor as claimed in claim 2, is characterized in that, on the circumference corresponding with described rotor magnetic steel, load fan blade and bearing of described rotating shaft outside, offers groove, in described groove, is filled with adhesive.
4. rotor as claimed in claim 3, is characterized in that, described groove is concave point or groove, and described concave point is arrange along shaft circumference direction one or more, and described groove is one or more snippets setting along shaft circumference direction.
5. rotor as claimed in claim 3, is characterized in that, described groove is the cannelure arranging along shaft circumference direction, and described cannelure is one or more, and many cannelures be arranged in parallel, and between adjacent two cannelures, spacing equates.
6. the rotor as described in claim 3-5 any one, is characterized in that, the cross section of described groove is rectangular, arc, U-shaped or polygonized structure.
7. rotor as claimed in claim 1, is characterized in that, described preloading spring is at least one section that is pressed between two bearings, and in the time adopting multistage preloading spring, multistage preloading spring is set up in parallel.
8. rotor as claimed in claim 1, is characterized in that, the two ends of described preloading spring are pressed on the outer ring of described bearing.
9. rotor as claimed in claim 1, is characterized in that, in the opposing side of two bearings, is respectively arranged with for dustproof back-up ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420279810.0U CN203896063U (en) | 2014-05-28 | 2014-05-28 | Rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420279810.0U CN203896063U (en) | 2014-05-28 | 2014-05-28 | Rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203896063U true CN203896063U (en) | 2014-10-22 |
Family
ID=51722418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420279810.0U Expired - Lifetime CN203896063U (en) | 2014-05-28 | 2014-05-28 | Rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203896063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015180557A1 (en) * | 2014-05-28 | 2015-12-03 | 莱克电气股份有限公司 | Rotor and processing and assembling method therefor |
-
2014
- 2014-05-28 CN CN201420279810.0U patent/CN203896063U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015180557A1 (en) * | 2014-05-28 | 2015-12-03 | 莱克电气股份有限公司 | Rotor and processing and assembling method therefor |
| US10454336B2 (en) | 2014-05-28 | 2019-10-22 | Kingclean Electric Co., Ltd. | Rotor and processing and assembling method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |
|
| CX01 | Expiry of patent term |