CN101165995A - Motor bearing positioning structure - Google Patents
Motor bearing positioning structure Download PDFInfo
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- CN101165995A CN101165995A CNA2006101502797A CN200610150279A CN101165995A CN 101165995 A CN101165995 A CN 101165995A CN A2006101502797 A CNA2006101502797 A CN A2006101502797A CN 200610150279 A CN200610150279 A CN 200610150279A CN 101165995 A CN101165995 A CN 101165995A
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- central siphon
- bearing
- location structure
- keeper
- motor bearing
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Abstract
This invention relates to a locating structure of a motor bearing including: a shaft tube containing at least a bearing and including at least one locked part, a locating piece set with a pressure valve part and a clamp part, which locks the locked part of the shaft tube to combine the locating piece to the tube firmly and presses the bearing in the shaft tube by the pressure valve part of the locating piece.
Description
Technical field
The present invention relates to a kind of location structure of motor bearing, be meant especially a kind of can be (for example: the location structure of the motor bearing in the firm central siphon that is positioned pedestal bearing etc.) with at least one motor component.
Background technology
Commonly use the location structure of motor bearing, as shown in Figure 1, wherein a motor 1 comprises a pedestal 11, stator group 12, a top bracing member 13, a bearing 14, positioning piece 15 and a rotor 16.Pedestal 11 has a central siphon 111, for ccontaining bearing 14.Stator pack 12 has a coil groups 121.Top bracing member 13 utilizes the modes of closely cooperating to be positioned an end of central siphon 111, and it is provided with a wear-resistant gasket 131 and a spacing protuberance 132, and wear-resistant gasket 131 is fixedly arranged on the bottom of top bracing member 13, for an end of the rotation axis 161 of rotor 16 against.Spacing protuberance 132 is relatively arranged on the top of top bracing member 13, in order to clip location rotation axis 161.Bearing 14 is installed in the top of top bracing member 13 in regular turn, and it is used to accept rotation axis 161.Keeper 15 correspondences are arranged at the top of bearing 14, and the central siphon 111 arbitrarily loosening displacements to avoid bearing 14 relative pedestals 11 cause quality bad.
Again as shown in Figure 1, when motor 1 is commonly used in assembling, top bracing member 13, bearing 14 and keeper 15 are assembled in the central siphon 111 of pedestal 11 in regular turn, and are positioned two ends of central siphon 111 by top bracing member 13 and keeper 15 in the mode of closely cooperating, and then bearing 14 is limited in the central siphon 111.Top bracing member 13, bearing 14 and keeper 15 all have a through hole (not shown in the figures), form an axis hole (not shown in the figures) by the through hole of top bracing member 13, bearing 14 and keeper 15 is corresponding, so that rotation axis 161 correspondences of rotor 16 are arranged in this axis hole.
As shown in Figure 1, when motor 1 rotates, because the diameter of the through hole of the spacing protuberance 132 of top bracing member 13 tops is less than the diameter of an end of rotation axis 161, and spacing protuberance 132 proper corresponding clips are in a necking part (not shown in the figures) of rotation axis 161, in case spline 16 breaks away from bearing 14 arbitrarily.Moreover keeper 15 utilizes the mode of closely cooperating to be positioned an end of the central siphon 111 of pedestal 11, and presses the top of bearing 14 bottom it, and is loosening in central siphon 111 to avoid bearing 14.Thus, firm bearing 14 and rotor 16 are incorporated on the pedestal 11.
Generally speaking, the above-mentioned location structure of commonly using motor bearing has following shortcoming: motor 1 is after long-time the use, owing to expand with heat and contract with cold and the factors such as stress of the time generation of turn round, make central siphon 111 be easy to generate distortion, what cause that top bracing member 13 and keeper 15 can't be firm is closely tied in the central siphon 111, therefore can't be firm press location bearing 14, and then cause bearing 14 loosening displacement central siphon 111 in, thus the useful life of shortening motor 1.For these reasons, be necessary further to improve the above-mentioned location structure of commonly using motor bearing.
Summary of the invention
At the problems referred to above, main purpose of the present invention is to provide a kind of location structure of motor bearing, and it is by the mode that clamping part and a central siphon or stator group fasten mutually, reaches lifting in conjunction with reliability and the effect that increases the service life.
Secondary objective of the present invention is to provide a kind of location structure of motor bearing, and it can avoid causing keeper to break away from central siphon arbitrarily because of expanding with heat and contract with cold, and reaches the effect of lifting in conjunction with reliability and useful life.
Another object of the present invention is to provide a kind of location structure of motor bearing, it can prevent that dust or impurity from entering between a rotor and the bearing, reaches the dustproof effect that promotes useful life that reaches.
For achieving the above object, the location structure of a kind of motor bearing provided by the present invention is characterized in that comprising: a central siphon be installed with at least one bearing in the described central siphon, and described central siphon has a buckling parts; Positioning piece, it is provided with a compression part and a clamping part; The clamping part correspondence of described keeper is fastened on the buckling parts of described central siphon, described keeper is combined with described central siphon is firm, and the compression part by described keeper compresses described bearing and is positioned in the described central siphon.
In the technical scheme of the invention described above, described clamping part extends the bottom that is arranged at described keeper, and described clamping part correspondence is fastened on the buckling parts of described central siphon.
In the above technical scheme of the present invention, described compression part is for axially being convexly set in the bottom surface at a top of described keeper.
In the above technical scheme of the present invention, described clamping part is set to a kind of in snap hook or the buckle slot.
In the above technical scheme of the present invention, other is provided with a locating part, and its correspondence is placed in the described central siphon, in order to the axial displacement of the rotation axis that limits a rotor.
In the above technical scheme of the present invention, described buckling parts is a flange.
In the above technical scheme of the present invention, the flange of described central siphon is provided with a guiding incline, is fastened on the flange of described central siphon with the clamping part correspondence of guiding described keeper.
In the above technical scheme of the present invention, the extension of a top of described keeper is provided with a protuberance, and the ora terminalis of described protuberance is near the medial surface of a rotor.
The present invention also can adopt second technical scheme: a kind of location structure of motor bearing is characterized in that comprising: a central siphon, and it is used for a ccontaining bearing; Stator group, it is provided with one first buckling parts; Positioning piece, it is provided with a compression part and a clamping part; The first buckling parts correspondence of described stator pack is fastened on the clamping part of described keeper, with described keeper firm be assembled in described central siphon one end, and the compression part of described keeper compresses described bearing and is positioned in the described central siphon.
In the invention described above second technical scheme, described clamping part extends the bottom that shape is arranged at described keeper.
In the above the present invention's second technical scheme, described compression part is for axially being convexly set in the bottom surface at a top of described keeper.
In the above the present invention's second technical scheme, described clamping part is set to a kind of in snap hook or the buckle slot.
In the above the present invention's second technical scheme, other is provided with a locating part, and its correspondence is placed in the described central siphon, in order to the axial displacement of the rotation axis that limits a rotor.
In the above the present invention's second technical scheme, the extension of a top of described keeper is provided with a protuberance, and the ora terminalis of described protuberance is near the medial surface of a rotor.
In the above the present invention's second technical scheme, described stator pack is provided with one second buckling parts in addition, and described central siphon is provided with a buckle end in addition, and the described second buckling parts correspondence is fastened on described buckle end, and described stator pack is incorporated on the described central siphon.
In the above the present invention's second technical scheme, described first buckling parts is a grab.
Adopt above technical scheme, the present invention is by being provided with a clamping part and a compression part in positioning piece, keeper is selected to fasten mutually with a central siphon or stator group via clamping part, and by compression part with firm being positioned in the central siphon of bearing, can avoid causing keeper to break away from central siphon arbitrarily, make the present invention have lifting in conjunction with reliability and the effect that increases the service life because of expanding with heat and contract with cold.Moreover the top of keeper extends upward a protuberance is set, and the apical margin of protuberance can prevent that near the medial surface of a rotor dust or impurity from entering between rotor and the bearing.Thus, the present invention can effectively promote the assembling reliability of motor really, and prolongs the useful life of motor.
Description of drawings
Fig. 1 is an assembled sectional view of commonly using the location structure of motor bearing;
Fig. 2 is the three-dimensional exploded view of first embodiment of the invention;
Fig. 3 is the assembled sectional view of first embodiment of the invention;
Fig. 4 is the assembled sectional view of second embodiment of the invention;
Fig. 5 is the three-dimensional exploded view of third embodiment of the invention;
Fig. 6 is the assembled sectional view of third embodiment of the invention.
Embodiment
For the effect that is illustrated more clearly in structure of the present invention, feature and is reached, existing following preferred embodiment of act and conjunction with figs. are described in detail as follows.
As Fig. 2, shown in Figure 3, the location structure of the motor bearing that first embodiment of the invention provided comprises a pedestal 2, a locating part 3, a bearing 4, positioning piece 5 and a rotor 6.Pedestal 2 is combined with a central siphon 21 and stator group 22, and central siphon 21 is used to be installed with motor components such as locating part 3, bearing 4 and keeper 5 for assembling or being shaped on the pedestal 2.Stator pack 22 can select to adopt the stator structure of radial windings type or axial winding-type.Locating part 3 is used for the axial displacement of a rotation axis 61 relative central siphons 21 of restrict rotor 6.Optional a kind of in bearings such as oiliness bearing, ball bearing and hydrodynamic bearing of bearing 4, it can supply rotation axis 61 rotating plugging.Keeper 5 correspondences are fastened on central siphon 21, so that with bearing 4 firm being positioned in the central siphon 21.
Locating part 3 is provided with a plurality of spacing protuberances 31, a plurality of groove 32 and a through hole 33.Spacing protuberance 31 for by the ring periphery of locating part 3 towards radially the extending to form of through hole 33, be used for the axial displacement of clip restriction rotation axis 61.Groove 32 is arranged between each spacing protuberance 31, to increase the elastic deformability of spacing protuberance 31.Through hole 33 by spacing protuberance 31 around the center that is arranged at locating part 3, for rotation axis 61 wear by.
The shaped slightly of the preferably corresponding central siphon 21 of keeper 5 is a ring body, and it is provided with a through hole 50, a top 51, a compression part 52 and a clamping part 53.Through hole 50 is opened in the center of keeper 5, for the rotation axis 61 of rotor 6 wear by.Compression part 52 extends axially the bottom surface that is arranged at top 51, is used for bearing 4 pressed being positioned in the central siphon 21.Clamping part 53 can adopt a snap hook or a buckle slot, and in the present embodiment, clamping part 53 is a snap hook, and clamping part 53 is arranged at the bottom of keeper 5, is used for the buckling parts 211 of corresponding fastener in central siphon 21.
When assembling the motor component of first embodiment of the invention, at first locating part 3 correspondences are inserted in the central siphon 21, and between the bottom of locating part 3 and central siphon 21, a wear-resistant gasket a is set, directly pedestal 2 is produced friction with the rotation axis 61 that reduces rotor 6 and damage.Then, bearing 4 correspondences are inserted in the central siphon 21, and an end face of bearing 4 is resisted against the top of locating part 3.At this moment, keeper 5 utilizes clamping part 53 to be positioned central siphon 21 along the assembling of the guiding incline of buckling parts 211, so that the firm end that is fastened on central siphon 21 of keeper 5.Simultaneously, the compression part 52 of keeper 5 also is resisted against the other end of bearing 4, makes bearing 4 firm being placed in the central siphon 21.In addition, preferably be provided with at least one packing ring b between the end face of bearing 4 and the compression part 52, an elastic washer and an abrasionproof packing ring preferably are set.
Fig. 2, shown in Figure 3 for another example, the through hole (not shown) of the through hole 33 of locating part 3, the through hole 40 of bearing 4, packing ring b and the through hole of the keeper 5 50 corresponding axis hole (not shown) that form, rotation axis 61 correspondences wear by this axis hole.Yet, because the aperture of the through hole 33 of locating part 3 is slightly less than the diameter of an end 611 of rotation axis 61, therefore must be 611 apply an external force in the end, force spacing protuberance 31 to produce deformation and through hole 33 is enlarged by groove 32, so that end 611 is by through hole 33.Moreover after through hole 33 was passed through in end 611,31 of spacing protuberances were replied clips rapidly in a necking part 612 of rotation axis 61, further limit the axial displacement of rotation axis 61 relative central siphons 21.
As Fig. 2, shown in Figure 3, when the rotor 6 of first embodiment of the invention rotated, rotation axis 61 was for to rotate in locating part 3, bearing 4 and keeper 5 formed axis holes.Oppress an end face of bearings 4 by the compression part 52 of keeper 5, and keeper 5 utilizes the firm buckling parts that is fastened on central siphon 21 211 of clamping part 53, make bearing 4 firm be positioned in the central siphon 21 unlikely looseningly, and then promote the assembling reliability of motor sub-assembly, and prolong the useful life of motor.
As shown in Figure 4, be the location structure of the motor bearing that second embodiment of the invention provided.Than first embodiment, the keeper 5 of second embodiment further is provided with a protuberance 54, and protuberance 54 is for being convexly set in the outer surface at the top 51 of keeper 5 vertically, and the ora terminalis of protuberance 54 is preferably near the medial surface of rotor 6.Thus, the air-flow that produces in the time of can avoiding rotor 6 to rotate imports dust or impurity between the rotation axis 61 and bearing 4 of rotor 6, damages bearing 4 or other member to prevent that action because of rotor 6 from having some setbacks, and then prolongs the useful life of motor.
As Fig. 5, shown in Figure 6, be the location structure of the motor bearing that third embodiment of the invention provided.Than second embodiment, the stator pack 22 of the 3rd embodiment further is provided with one first buckling parts 221, first buckling parts 221 is arranged at the top of stator pack 22, and it is used for the corresponding clamping part 53 that fastens keeper 5, so that keeper 5 is by the firm end that is positioned central siphon 21 of stator pack 22.In addition, the clamping part 53 of keeper 5 preferably is set to a buckle slot, and for first buckling parts, 221 buckles, and clamping part 53 is located on the periphery at the top 51 of keeper 5.
Moreover, as Fig. 5, shown in Figure 6, the stator pack 22 that third embodiment of the invention provided adopts the assembling mode of buckle to be incorporated on the central siphon 21, so stator pack 22 is provided with one second buckling parts 222 in addition, it is arranged at the bottom of stator pack 22, be used for a corresponding buckle end 212 that fastens central siphon 21, so as stator pack 22 firm in conjunction with central siphon 21.In addition, buckle end 212 is arranged at the outer peripheral face of central siphon 21 for the position of relative second buckling parts 222.And first buckling parts 221 and second buckling parts 222 preferably are set to a grab.
Fig. 5, shown in Figure 6 when the assembling motor component that third embodiment of the invention provided, at first is placed in locating part 3, bearing 4 and keeper 5 in the central siphon 21 in regular turn for another example.Then, with first buckling parts 221 of stator pack 22 and second buckling parts 222 respectively fastener be positioned the clamping part 53 of keeper 5 and the buckle end 212 of central siphon 21, make stator pack 22 firm combinations be fixed on the central siphon 21.Thus, the compression part 52 of keeper 5 is for being resisted against an end face of bearing 4 closely, and combines with the buckle of 5 of keepers by stator pack 22, makes the end that is incorporated into central siphon 21 that keeper 5 is firm, further promote the assembling reliability of motor, and increase the service life.
As mentioned above, than the location structure of commonly using motor bearing shown in Figure 1, owing to expand with heat and contract with cold and the factors such as stress that produce when turning round for a long time, make a central siphon 111 that is installed with at least one bearing 14 be easy to generate distortion, cause pressing being closely tied in the central siphon 111 that the keeper 15 of bearing 14 can't be firm, and then cause the bearing 14 in the central siphon 111 to become flexible shortcomings such as skews easily, the present invention shown in Figure 2 is by being provided with compression part 52 and clamping part 53 at keeper 5, keeper 5 is selected to combine with the buckling parts 211 of central siphon 21 or first buckling parts, the 221 mutual buckles of stator pack 22 by clamping part 53, and by compression part 52 bearing 4 firm pressing is positioned in the central siphon 21.Moreover the top 51 of keeper 5 extends upward and is provided with protuberance 54, can prevent that dust or impurity from entering between the rotation axis 61 and bearing 4 of rotor 6.Thus, the present invention can effectively promote the assembling reliability of motor really, and prolongs the useful life of motor.
Though the present invention has utilized above-mentioned preferred embodiment to be illustrated; yet above-mentioned explanation is not to be used to limit the present invention; anyly have the knack of this skill person; do not breaking away within the spirit and scope of the present invention; all can make various changes and modification, so protection scope of the present invention should be as the criterion with the scope that claims of the present invention were defined.
Claims (16)
1. the location structure of a motor bearing is characterized in that comprising:
One central siphon be installed with at least one bearing in the described central siphon, and described central siphon has a buckling parts;
Positioning piece, it is provided with a compression part and a clamping part;
The clamping part correspondence of described keeper is fastened on the buckling parts of described central siphon, described keeper is combined with described central siphon is firm, and the compression part by described keeper compresses described bearing and is positioned in the described central siphon.
2. the location structure of motor bearing as claimed in claim 1 is characterized in that: described clamping part extends the bottom that is arranged at described keeper, and described clamping part correspondence is fastened on the buckling parts of described central siphon.
3. the location structure of motor bearing as claimed in claim 1 is characterized in that: described compression part is for axially being convexly set in the bottom surface at a top of described keeper.
4. the location structure of motor bearing as claimed in claim 1 is characterized in that: described clamping part is set to a kind of in snap hook or the buckle slot.
5. the location structure of motor bearing as claimed in claim 1, it is characterized in that: other is provided with a locating part, and its correspondence is placed in the described central siphon, in order to the axial displacement of the rotation axis that limits a rotor.
6. the location structure of motor bearing as claimed in claim 1, it is characterized in that: described buckling parts is a flange.
7. the location structure of motor bearing as claimed in claim 6, it is characterized in that: the flange of described central siphon is provided with a guiding incline, is fastened on the flange of described central siphon with the clamping part correspondence of guiding described keeper.
8. the location structure of motor bearing as claimed in claim 1 is characterized in that: a top of described keeper is extended a protuberance is set, and the ora terminalis of described protuberance is near the medial surface of a rotor.
9. the location structure of a motor bearing is characterized in that comprising:
One central siphon, it is used for a ccontaining bearing;
Stator group, it is provided with one first buckling parts;
Positioning piece, it is provided with a compression part and a clamping part;
The first buckling parts correspondence of described stator pack is fastened on the clamping part of described keeper, with described keeper firm be assembled in described central siphon one end, and the compression part of described keeper compresses described bearing and is positioned in the described central siphon.
10. the location structure of motor bearing as claimed in claim 9 is characterized in that: described clamping part extends the bottom that shape is arranged at described keeper.
11. the location structure of motor bearing as claimed in claim 9 is characterized in that: described compression part is for axially being convexly set in the bottom surface at a top of described keeper.
12. the location structure of motor bearing as claimed in claim 9 is characterized in that: described clamping part adopts a kind of in snap hook or the buckle slot.
13. the location structure of motor bearing as claimed in claim 9 is characterized in that: other is provided with a locating part, and its correspondence is placed in the described central siphon, in order to the axial displacement of the rotation axis that limits a rotor.
14. the location structure of motor bearing as claimed in claim 9 is characterized in that: the top extension of described keeper is provided with a protuberance, and the ora terminalis of described protuberance is near the medial surface of a rotor.
15. the location structure of motor bearing as claimed in claim 9, it is characterized in that: described stator pack is provided with one second buckling parts in addition, and described central siphon is provided with a buckle end in addition, and the described second buckling parts correspondence is fastened on described buckle end, and described stator pack is incorporated on the described central siphon.
16. the location structure of motor bearing as claimed in claim 9 is characterized in that: described first buckling parts is a grab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101502797A CN101165995B (en) | 2006-10-16 | 2006-10-16 | Motor bearing positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101502797A CN101165995B (en) | 2006-10-16 | 2006-10-16 | Motor bearing positioning structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101165995A true CN101165995A (en) | 2008-04-23 |
| CN101165995B CN101165995B (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101502797A Active CN101165995B (en) | 2006-10-16 | 2006-10-16 | Motor bearing positioning structure |
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| Country | Link |
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| CN (1) | CN101165995B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227116B (en) * | 2007-01-19 | 2010-05-19 | 建凖电机工业股份有限公司 | Motor structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2435549Y (en) * | 2000-07-31 | 2001-06-20 | 协禧电机股份有限公司 | Fastening device for fan |
| CN100394675C (en) * | 2004-11-25 | 2008-06-11 | 台达电子工业股份有限公司 | Motor |
| CN100481681C (en) * | 2005-05-31 | 2009-04-22 | 台达电子工业股份有限公司 | Fan motor, and oil sealing bearing system thereof |
-
2006
- 2006-10-16 CN CN2006101502797A patent/CN101165995B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227116B (en) * | 2007-01-19 | 2010-05-19 | 建凖电机工业股份有限公司 | Motor structure |
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| Publication number | Publication date |
|---|---|
| CN101165995B (en) | 2011-01-19 |
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Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296 Patentee after: Jianzhun Dynamo Ind Co., Ltd. Address before: Are Chinese Taiwan 802 Kaohsiung City No. 120 Lingya District 12 floor Patentee before: Jianzhun Dynamo Ind Co., Ltd. |