CN204145181U - Polygonal mirror drive motor and comprise the laser printer of this motor - Google Patents
Polygonal mirror drive motor and comprise the laser printer of this motor Download PDFInfo
- Publication number
- CN204145181U CN204145181U CN201420496633.1U CN201420496633U CN204145181U CN 204145181 U CN204145181 U CN 204145181U CN 201420496633 U CN201420496633 U CN 201420496633U CN 204145181 U CN204145181 U CN 204145181U
- Authority
- CN
- China
- Prior art keywords
- polygonal mirror
- radial
- drive motor
- central shaft
- elastomeric element
- 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 - Fee Related
Links
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
Polygonal mirror drive motor and comprise the laser printer of this motor, this motor comprises: the rotor with axle, bearing, bearing cage and wheel hub; Stator; Rotor retainer; Magnet; Polygonal mirror; And elastomeric element; Wherein, wheel hub comprises: the first planar portions that axial height is roughly consistent; From the stage portion that the radial outer end of the first planar portions extends to axial downside; Be positioned at than stage portion closer to radial outside, and the second planar portions that axial height is roughly consistent; With the mounting portion loading polygonal mirror in the second planar portions, this polygonal mirror is by elastomeric element and mounting portion axially clamping, this elastomeric element has the exert pressure region of polygonal mirror applying towards the power of axial downside, and, from central shaft to the radial distance of the radial inner end of polygonal mirror mounting portion, be not less than the radial distance from central shaft to the radial inner end in region of exerting pressure, and be not more than the radial distance from central shaft to the radial outer end in region of exerting pressure.Structure can suppress the inclination of polygon facet thus.
Description
Technical field
The utility model relates to motor, particularly relates to a kind of polygonal mirror drive motor and comprises the laser printer of this motor.
Background technology
In the polygonal mirror drive motor being installed on laser printer, described in known document (JP 4789591 B2), the height of the linking part of rotating shaft and rotor hub is set to t, the height of lower end to the upper end of the fitting portion with polygonal mirror from upside linking part is set to s, wherein, s > t.By such structure, the deformation quantity of the polygonal mirror fitting portion of the rotor hub produced after rotating shaft is pressed into can be suppressed, arrive the effect of the chimeric tolerance reducing polygonal mirror and rotor hub.
But the position that internal side diameter and elastomeric element due to the polygonal mirror equipped section of rotor hub press polygonal mirror is different diametrically, can produce moment thus, thus cause polygonal mirror run-off the straight, have a strong impact on the press quality of this laser printer.
Utility model content
In order to solve the problem that background technology is pointed out, the utility model provides a kind of polygonal mirror drive motor and comprises the laser printer of this motor, to suppress the inclination of polygon facet.
According to the first aspect of the utility model embodiment, provide a kind of polygonal mirror drive motor, this motor comprises: rotor, it has axle, bearing, bearing cage and wheel hub, described axle supports as rotatable centered by the central shaft extended along the vertical direction by described bearing, described bearing cage keeps described bearing, and described wheel hub is fixed on described axle, and rotatable centered by described central shaft; Stator, it is fixed on described bearing cage; Rotor retainer, it is fixed on described wheel hub; Magnet, it is arranged at the inner peripheral surface of described rotor retainer, and with described stator diametrically contraposition; Polygonal mirror, it is fixed on described wheel hub; And elastomeric element, it is fixed on described axle, is axially applying pressure to described polygonal mirror; Wherein, described wheel hub comprises: the first planar portions that axial height is roughly consistent; From the stage portion that the radial outer end of described first planar portions extends to axial downside; Be positioned at than described stage portion closer to radial outside, and the second planar portions that axial height is roughly consistent; Described second planar portions loads the mounting portion of described polygonal mirror, described polygonal mirror is by described elastomeric element and the axially clamping of described mounting portion, wherein, described elastomeric element has the exert pressure region of described polygonal mirror applying towards the power of axial downside, and, from described central shaft to the radial distance of the radial inner end of described polygonal mirror mounting portion, be not less than the radial distance from described central shaft to the radial inner end in described region of exerting pressure, and be not more than the radial distance from described central shaft to the radial outer end in described region of exerting pressure.
According to the second aspect of the utility model embodiment, provide a kind of polygonal mirror drive motor as described in relation to the first aspect, wherein, identical with the radial distance from described central shaft to the radial inner end in described region of exerting pressure to the radial distance of the radial inner end of described polygonal mirror mounting portion from described central shaft.
According to the third aspect of the utility model embodiment, provide a kind of polygonal mirror drive motor as described in relation to the first aspect, wherein, identical with the radial distance from described central shaft to the radial outer end in described region of exerting pressure to the radial distance of the radial inner end of described polygonal mirror mounting portion from described central shaft.
According to the fourth aspect of the utility model embodiment, provide a kind of polygonal mirror drive motor as described in first aspect to third aspect either side, wherein, be circumferentially provided with groove portion on the shaft, described elastomeric element is fixed in described groove portion directly or indirectly.
According to the 5th aspect of the utility model embodiment, provide a kind of polygonal mirror drive motor as described in first aspect to third aspect either side, wherein, contacting with the described stage portion of described wheel hub at least partially of the inner peripheral surface of described polygonal mirror.
According to the 6th aspect of the utility model embodiment, provide a kind of polygonal mirror drive motor as described in the 5th aspect, wherein, one end of second planar portions of the close described wheel hub of the radially inner side of described polygonal mirror is taper, one end of the close described elastomeric element of the described stage portion of described wheel hub is taper, further, the incline direction of above-mentioned two tapers is consistent.
According to the 7th aspect of the utility model embodiment, provide a kind of polygonal mirror drive motor as described in first aspect to third aspect either side, wherein, the region contacted with described rotor retainer at the radial outside of described wheel hub is provided with otch.
According to the eighth aspect of the utility model embodiment, provide a kind of polygonal mirror drive motor as described in first aspect to third aspect either side, wherein, the axis below of described bearing cage is provided with cap member.
According to the 9th aspect of the utility model embodiment, provide a kind of polygonal mirror drive motor as described in eighth aspect, wherein, described bearing is sleeve bearing, described bearing cage has the lining of the bottomed cylindrical keeping described sleeve bearing within it, and described cap member is fixed on the region do not contacted with described sleeve bearing of lining.
According to the tenth aspect of the utility model embodiment, provide a kind of polygonal mirror drive motor as described in first aspect to third aspect either side, wherein, described elastomeric element, in the circumferential, with the upper surface ring-like contact of described polygonal mirror.
According to the 11 aspect of the utility model embodiment, provide a kind of polygonal mirror drive motor as described in first aspect to third aspect either side, wherein, described elastomeric element, in the circumferential, with the upper surface Multi-contact of described polygonal mirror.
According to the 12 aspect of the utility model embodiment, provide a kind of laser printer, wherein, described laser printer has the polygonal mirror drive motor described in aforementioned first aspect to the 11 aspect either side.
The beneficial effects of the utility model are: by the structure of motor of the present utility model, because the radial inner end of polygonal mirror mounting portion is positioned at roughly the same position diametrically with the region of exerting pressure of elastomeric element, therefore can not produce moment, the inclination of polygon facet can be suppressed.
With reference to explanation hereinafter and accompanying drawing, disclose in detail particular implementation of the present utility model, specifying principle of the present utility model can adopted mode.Should be appreciated that, thus execution mode of the present utility model is not restricted in scope.In the spirit of claims and the scope of clause, execution mode of the present utility model comprises many changes, amendment and is equal to.
Accompanying drawing explanation
Included accompanying drawing is used to provide the further understanding to the utility model embodiment, which constituting a part for specification, for illustrating execution mode of the present utility model, and coming together to explain principle of the present utility model with text description.Apparently, the accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the cutaway view of the motor involved by embodiment of the present utility model;
Fig. 2 is the close-up schematic view of the motor shown in Fig. 1;
Fig. 3 is the close-up schematic view in the groove portion of the motor shown in Fig. 1;
Fig. 4 is the schematic diagram of the disk like elastomeric element of C shape ring;
Fig. 5 is the schematic diagram of common disk like elastomeric element;
Fig. 6 is the schematic diagram of criss-cross disk like elastomeric element;
Fig. 7 is the schematic diagram of the disk like elastomeric element of star;
Fig. 8 is the polygonal mirror of the motor shown in Fig. 1 and the close-up schematic view of wheel hub;
Fig. 9 is the polygonal mirror of the motor shown in Fig. 1 and another close-up schematic view of wheel hub;
Figure 10 is the close-up schematic view of the otch of the wheel hub of the motor shown in Fig. 1;
Figure 11 is the close-up schematic view of the cap member of the motor shown in Fig. 1.
Embodiment
With reference to accompanying drawing, by specification below, aforementioned and further feature of the present utility model will become obvious.In the specification and illustrated in the drawings, specifically disclose particular implementation of the present utility model, which show the some embodiments that wherein can adopt principle of the present utility model, will be appreciated that, the utility model is not limited to described execution mode, on the contrary, the utility model comprises the whole amendments fallen in the scope of claims, modification and equivalent.
Embodiment
The utility model embodiment provides a kind of polygonal mirror drive motor, and this motor comprises: rotor, stator, rotor retainer, magnet, polygonal mirror and elastomeric element etc.Fig. 1 is the cutaway view of this motor.
As shown in Figure 1, rotor 11 has axle 111, bearing 112, bearing cage 113 and wheel hub 114.Wherein, this axle 111 is supported for centered by the central shaft A to extend along the vertical direction rotatable by this bearing 112, and this bearing cage 113 keeps this bearing 112, and this wheel hub 114 is fixed on this axle 111, and it is rotatable centered by described central shaft.
Please refer to Fig. 1 again, stator 12 is fixed on this bearing cage 113, rotor retainer 13 is fixed on this wheel hub 114, magnet 14 is arranged at the inner peripheral surface of this rotor retainer 13, and with this stator 12 diametrically contraposition, polygonal mirror 15 is also fixed on this wheel hub 114, and elastomeric element 16 is fixed on axle 111, and is axially applying pressure to this polygonal mirror 15.
In the present embodiment, as shown in Figure 1, this wheel hub 114 comprises the first planar portions 1141, stage portion 1142, second planar portions 1143 and polygonal mirror mounting portion 1144, wherein, the axial height of this first planar portions 1141 is roughly consistent, this stage portion 1142 extends to form on the downside of axially from the radial outside of this first planar portions 1141, this second planar portions 1143 is positioned at than the position of this stage portion 1142 closer to radial outside, and its axial height is also roughly consistent, this polygonal mirror mounting portion 1144 is positioned in this second planar portions 1143, for loading this polygonal mirror 15.In the present embodiment, this polygonal mirror 15 is by this elastomeric element 16 and the axially clamping of this polygonal mirror mounting portion 1144.
In the present embodiment, as shown in Figure 1, this elastomeric element 16 has the region 161 of exerting pressure this polygonal mirror 15 being applied to the power on the downside of axis, and, from described central shaft A to the radial distance of the radial inner end of this polygonal mirror mounting portion 1144, be not less than the radial distance from described central shaft A to the radial inner end in this region 161 of exerting pressure, and be not more than the radial distance from described central shaft A to the radial outer end in this region 161 of exerting pressure.
The close-up schematic view that Fig. 2 is the motor shown in Fig. 1, as shown in Figure 2, from central shaft A to the radial distance of the radial inner end of polygonal mirror mounting portion 1144 be d1, radial distance from central shaft A to the radial inner end in region 161 of exerting pressure is d2, radial distance from central shaft A to the radial outer end in region 161 of exerting pressure is d3, then according to the present embodiment, d2≤d1≤d3.
Preferably, in one embodiment, identical with the radial distance from central shaft A to the radial inner end in region 161 of exerting pressure to the radial distance of the radial inner end of polygonal mirror mounting portion 1144 from central shaft A, also, d1=d2.
Preferably, in another embodiment, identical with the radial distance from central shaft A to the radial outer end in region 161 of exerting pressure to the radial distance of the radial inner end of polygonal mirror mounting portion 1144 from central shaft A, also, d1=d3.
By the said structure of the polygonal mirror drive motor of the present embodiment, because the inner of polygonal mirror mounting portion is positioned at roughly the same position with the region of exerting pressure of elastomeric element in radial direction, therefore can not produces moment, the inclination of polygon facet can be suppressed thus.
In the present embodiment, except forming above, this motor can also comprise motor chassis, end bracket, circuit board etc., and its 26S Proteasome Structure and Function is same as the prior art, repeats no more herein.
In an execution mode of the present embodiment, the axle of this rotor is circumferentially provided with groove portion, this elastomeric element is fixed in this groove portion directly or indirectly.Fig. 3 is another close-up schematic view of the motor shown in Fig. 1, as shown in Figure 3, the axle 111 of this rotor is circumferentially provided with groove portion 1111, this elastomeric element 16 is fixed in this groove portion 1111, and this elastomeric element 16 can be directly fixed in this groove portion 1111, also indirectly can be fixed in this groove portion 1111, such as, be fixed in this groove portion 1111 by a round clasp B.
Wherein, this elastomeric element can in the circumferential with the upper surface ring-like contact of this polygonal mirror, thus, owing to being applied with the uniform power of circumference to polygonal mirror, make polygonal mirror not yielding.
Wherein, this elastomeric element also can in the circumferential with the upper surface Multi-contact of this polygonal mirror, thus, make relating to of elastomeric element more flexible.
Wherein, this elastomeric element is middle porose disk like elastomeric element, Fig. 4-Fig. 7 is the schematic diagram of four examples of this elastomeric element, as shown in figs. 4-7, the left side is the front view of elastomeric element, and the right is the end view seen along the direction of M-O-N of elastomeric element, in the centre of this elastomeric element, there is hole, to be fixed on this axle 111, the shape in this hole can be circular, also can be other shape being convenient to be fixed on this axle 111.Wherein, Fig. 4 is the schematic diagram of the disk like elastomeric element of C shape ring, and Fig. 5 is the schematic diagram of common disk like elastomeric element, and Fig. 6 is the schematic diagram of criss-cross disk like elastomeric element, and Fig. 7 is the schematic diagram of the disk like elastomeric element of star.But the present embodiment is not in this, as restriction, in specific implementation process, this elastomeric element also can be other shape.
In an execution mode of the present embodiment, contacting with the stage portion of this wheel hub at least partially of the inner peripheral surface of this polygonal mirror.Fig. 8 is another close-up schematic view of the motor shown in Fig. 1, as shown in Figure 8, contacting with the stage portion 1142 of wheel hub 114 at least partially of the inner peripheral surface 151 of polygonal mirror 15, can shorten the axial width of this polygonal mirror drive motor thus, be conducive to the miniaturization of device.
In an execution mode of the present embodiment, one end of the second planar portions of the close wheel hub of the radially inner side of this polygonal mirror is taper, and one end of the close elastomeric element of the stage portion of this wheel hub is also taper, and the incline direction of above-mentioned two tapers is consistent.Fig. 9 is another close-up schematic view of the motor shown in Fig. 1, as shown in Figure 9, one end (the dotted line circle below shown in figure) of second planar portions 1143 of the close wheel hub 114 of the radially inner side of polygonal mirror 15 is taper, and one end of the close elastomeric element 16 of the stage portion 1142 of wheel hub 114 (the dotted line circle above shown in figure) is also taper, and the incline direction of these two tapers, also the angle namely tilted is consistent, thus when polygonal mirror is inserted from axial upside, by coordinating of the cone-shaped of wheel hub and the cone-shaped of polygonal mirror, the insertion of polygonal mirror can be guided.
In an execution mode of the present embodiment, the region contacted with above-mentioned rotor retainer at the radial outside of this wheel hub is provided with otch.Figure 10 is another close-up schematic view of the motor shown in Fig. 1, as shown in Figure 10, in the region that the radial outside of wheel hub 114 contacts with rotor retainer 13, (shown in dotted line circle) is provided with otch 1145, structure thus, when rotor retainer is pressed into, the burr of rotor retainer can be held in this incision, fall into motor internal to prevent burr.Wherein, the position of this otch 1145 is not limited to the position shown in figure, and in specific implementation process, it can be arranged at the position near polygonal mirror 15.
In an execution mode of the present embodiment, the axis below of this bearing cage is provided with cap member.Figure 11 is another close-up schematic view of the motor shown in Fig. 1, as shown in figure 11, the axis below of bearing cage 113 is provided with cap member 17, can improves the precision of the lower end of the bearing cage of motor thus, improve precision during real machine assembling.
Wherein, this bearing 112 can be sleeve bearing, and this bearing cage 113 has the lining 1131 of the bottomed cylindrical keeping this sleeve bearing within it, and this cap member is fixed on the region do not contacted with this sleeve bearing of this lining 1131.Thus, the distortion of sleeve bearing can not be caused when locking cap parts.
By the structure of polygonal mirror drive motor of the present utility model, the inclination of polygon facet can be suppressed, guarantee the press quality of laser printer.
Embodiment 2
The utility model embodiment still provides a kind of laser printer, this laser printer has the polygonal mirror drive motor described in embodiment 1, due in embodiment 1, has been described in detail the structure of this polygonal mirror drive motor, its content is contained in this, does not repeat them here.
By the structure of the polygonal mirror drive motor of the laser printer of the present embodiment, the inclination of polygon facet can be suppressed, guarantee the press quality of laser printer.
More than being described the utility model in conjunction with concrete execution mode, but it will be apparent to those skilled in the art that these descriptions are all exemplary, is not the restriction to the utility model protection range.Those skilled in the art can make various variants and modifications according to spirit of the present utility model and principle to the utility model, and these variants and modifications are also in scope of the present utility model.
Claims (12)
1. a polygonal mirror drive motor, comprising:
Rotor, it has axle, bearing, bearing cage and wheel hub, and described axle is supported as rotatable centered by the central shaft extended along the vertical direction by described bearing, and described bearing cage keeps described bearing, described wheel hub is fixed on described axle, and rotatable centered by described central shaft;
Stator, it is fixed on described bearing cage;
Rotor retainer, it is fixed on described wheel hub;
Magnet, it is arranged at the inner peripheral surface of described rotor retainer, and with described stator diametrically contraposition;
Polygonal mirror, it is fixed on described wheel hub; And
Elastomeric element, it is fixed on described axle, is axially applying pressure to described polygonal mirror;
It is characterized in that:
Described wheel hub comprises:
The first planar portions that axial height is roughly consistent;
From the stage portion that the radial outer end of described first planar portions extends to axial downside;
Be positioned at than described stage portion closer to radial outside, and the second planar portions that axial height is roughly consistent; And
Described second planar portions loads the mounting portion of described polygonal mirror,
Described polygonal mirror is axially clamped by described elastomeric element and described mounting portion,
Wherein, described elastomeric element has the exert pressure region of described polygonal mirror applying towards the power of axial downside, and, from described central shaft to the radial distance of the radial inner end of described polygonal mirror mounting portion, be not less than the radial distance from described central shaft to the radial inner end in described region of exerting pressure, and be not more than the radial distance from described central shaft to the radial outer end in described region of exerting pressure.
2. polygonal mirror drive motor according to claim 1, is characterized in that,
Identical with the radial distance from described central shaft to the radial inner end in described region of exerting pressure to the radial distance of the radial inner end of described polygonal mirror mounting portion from described central shaft.
3. polygonal mirror drive motor according to claim 1, is characterized in that,
Identical with the radial distance from described central shaft to the radial outer end in described region of exerting pressure to the radial distance of the radial inner end of described polygonal mirror mounting portion from described central shaft.
4. polygonal mirror drive motor according to any one of claim 1 to 3, is characterized in that, is circumferentially provided with groove portion on the shaft, and described elastomeric element is fixed in described groove portion directly or indirectly.
5. polygonal mirror drive motor according to any one of claim 1 to 3, is characterized in that, contacting with the described stage portion of described wheel hub at least partially of the inner peripheral surface of described polygonal mirror.
6. polygonal mirror drive motor according to claim 5, it is characterized in that, one end of second planar portions of the close described wheel hub of the radially inner side of described polygonal mirror is taper, one end of the close described elastomeric element of the described stage portion of described wheel hub is taper, further, the incline direction of above-mentioned two tapers is consistent.
7. polygonal mirror drive motor according to any one of claim 1 to 3, is characterized in that, the region contacted with described rotor retainer at the radial outside of described wheel hub is provided with otch.
8. polygonal mirror drive motor according to any one of claim 1 to 3, is characterized in that, the axis below of described bearing cage is provided with cap member.
9. polygonal mirror drive motor according to claim 8, it is characterized in that, described bearing is sleeve bearing, described bearing cage has the lining of the bottomed cylindrical keeping described sleeve bearing within it, and described cap member is fixed on the region do not contacted with described sleeve bearing of described lining.
10. polygonal mirror drive motor according to any one of claim 1 to 3, is characterized in that, described elastomeric element, in the circumferential, with the upper surface ring-like contact of described polygonal mirror.
11. polygonal mirror drive motors according to any one of claim 1 to 3, is characterized in that, described elastomeric element, in the circumferential, with the upper surface Multi-contact of described polygonal mirror.
12. 1 kinds of laser printers, is characterized in that, described laser printer has the polygonal mirror drive motor described in any one of claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496633.1U CN204145181U (en) | 2014-08-29 | 2014-08-29 | Polygonal mirror drive motor and comprise the laser printer of this motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496633.1U CN204145181U (en) | 2014-08-29 | 2014-08-29 | Polygonal mirror drive motor and comprise the laser printer of this motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204145181U true CN204145181U (en) | 2015-02-04 |
Family
ID=52421845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420496633.1U Expired - Fee Related CN204145181U (en) | 2014-08-29 | 2014-08-29 | Polygonal mirror drive motor and comprise the laser printer of this motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204145181U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983415A (en) * | 2017-05-30 | 2018-12-11 | 日本电产株式会社 | Rotation drive device |
| CN110398835A (en) * | 2018-04-24 | 2019-11-01 | 佳能株式会社 | Polygonal mirror and its manufacturing method, deflector, optical scanner and imaging device |
-
2014
- 2014-08-29 CN CN201420496633.1U patent/CN204145181U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983415A (en) * | 2017-05-30 | 2018-12-11 | 日本电产株式会社 | Rotation drive device |
| CN108983415B (en) * | 2017-05-30 | 2021-12-28 | 日本电产株式会社 | Rotary driving device |
| CN110398835A (en) * | 2018-04-24 | 2019-11-01 | 佳能株式会社 | Polygonal mirror and its manufacturing method, deflector, optical scanner and imaging device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104184248B (en) | Motor and its bearing with end cover connection structure | |
| CN205043433U (en) | Floating pressure equipment head | |
| CA2804496C (en) | Ball joint and method for manufacturing the same | |
| CN204145181U (en) | Polygonal mirror drive motor and comprise the laser printer of this motor | |
| JP2007318961A (en) | Brushless motor and its manufacturing method | |
| US8212459B2 (en) | Motor | |
| CN203717640U (en) | Low-noise needle bearing for automobile steering knuckle | |
| CN107565777B (en) | Rotor installation tool of permanent magnet motor | |
| US9024492B2 (en) | Laser-welded joint structure between insulation frame and bearing cup of fan and method of forming same | |
| KR20160026716A (en) | Rolling bearing | |
| US9987692B2 (en) | Centering device | |
| CN206211688U (en) | A kind of motor stator punching and apply its motor | |
| CN112324810B (en) | Positioning and anti-loosening device for rotating shaft and mounting method | |
| CN105817879B (en) | With shaft-assembling structure and its assembly method | |
| CN203761727U (en) | Circuit board fixing element and electronic control unit | |
| CN204392057U (en) | Motor | |
| US9097260B2 (en) | Fan bearing retaining structure | |
| CN213585449U (en) | Brushless external rotor motor and device with fan blades | |
| CN204392058U (en) | Structure is strengthened in a kind of stepping motor damping | |
| CN108988556A (en) | Fan motor device and its manufacturing method | |
| CN206259830U (en) | Assembled fixture | |
| CN205051484U (en) | Automobile oil pump motor connects end cover | |
| JP2010001900A (en) | Antivibration device | |
| CN206280392U (en) | Assembled fixture | |
| JP2009241616A (en) | Wheel bearing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150204 Termination date: 20210829 |