CN100384063C - Bearing fixture conjunction structure of dynamo - Google Patents
Bearing fixture conjunction structure of dynamo Download PDFInfo
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- CN100384063C CN100384063C CNB031443702A CN03144370A CN100384063C CN 100384063 C CN100384063 C CN 100384063C CN B031443702 A CNB031443702 A CN B031443702A CN 03144370 A CN03144370 A CN 03144370A CN 100384063 C CN100384063 C CN 100384063C
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- bearing
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- carriage
- motor
- fixer
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Abstract
The present invention relates to a bearing fixing and combining structure of a motor, which comprises a rotary shaft, a bearing, a supporting frame, a bearing fixing device and a bearing cover, whereinthe rotary shaft is arranged in a box body of a motor and is pressed on a rotating rotor to obtain the rotary force of the rotor for rotation, the bearing can support the rotary shaft in a rotating mode, and the supporting frame is provided with a bearing supporting groove used for inserting into one side of the supporting bearing to fix the bearing on the box body. The bearing fixing device is fixed at the inner side of the supporting frame to fix the other side of the bearing, and the bearing cover can support the bearing fixing device to make the bearing fixing device tightly combine with the bearing. The bearing cover can support the bearing fixing device, and simultaneously, is provided with a protrusion formed according to a certain height to combine the bearing cover on the supporting frame. A combining groove which is concavely arranged at the position corresponding to the protrusion is formed on the supporting frame to weld and fix the protrusion by ultrasonic. The present invention has the advantages of simple structure, light weight and low manufacturing cost.
Description
Technical field
The present invention relates to a kind of fixed structure of motor bearings.Or rather, be to be used for fixing material and shape in conjunction with the carriage and the bearing cap of bearing by change, make the rotatably rotating shaft of support motor of its bearing, with weight reduction, reduce the invention of bearing fixing integrated structure aspect of the motor of manufacturing cost.
Background technology
In general, bearing (Bearing) is rotated or carries out the axle of back and forth movement, the loading of role-taking on axle as support.Particularly, oilless bearing (OILLESS BEARING) refers to, by thermal expansion, qualitative reduction and the surface tension effect etc. that the temperature in the use rises and produces, make machine oil invade the lubrication friction face, until need not fuel feeding till the machine oil exhaustion of packing into.
So above-mentioned oilless bearing mainly uses on small-sized driving means, such as, as be used for direct current (DC) motor of portable (HANDY) dust catcher of cleaning vehicle inside.
Fig. 1 is the sectional drawing of the bearing fixing integrated structure of prior art motor.Fig. 2 is the part cross-sectional side view of the carriage fixed structure mechanism of Fig. 1.
As shown in Figure 1, 2, the bearing fixing integrated structure of prior art motor includes following structure: stator 111, rotor 112, rotating shaft 113 and bearing 114.Said stator 111 can be fixed on the inboard outer peripheral face of motor case body 110 contiguously; Above-mentioned rotor 112 rotatably is fixed on the inboard of said stator 111; Above-mentioned rotating shaft 113 is pressed into the inboard that is fixed on above-mentioned rotor 112; Above-mentioned bearing 114 rotatably supports the both sides of above-mentioned rotating shaft 113 respectively.
The motor of prior art includes following structure: carriage 120, bearing fixer 121, bearing cap 122 and oily absorption piece 123.One side open end of the above-mentioned casing 110 of carriage 120 sealings, central part possesses bearings groove 120a is arranged, and above-mentioned bearings groove 120a is used for inserting in conjunction with above-mentioned bearing 114; Above-mentioned bearing fixer 121 is used for fixing the bearing in the bearings groove 120a that is inserted in above-mentioned carriage 120; Above-mentioned bearing cap 122 is combined in the outside of above-mentioned bearing fixer 121; Above-mentioned oily absorption piece 123 inserts to fixedly install along the inner peripheral surface of above-mentioned bearing fixer 121 and above-mentioned bearing cap 122 and forms.
By said structure, bearing 114 rotatably is fixed for transmitting the rotating shaft 113 of rotor 112 rotations, and above-mentioned rotor 112 is rotated by the magnetic force magnetic flux that applies the power supply generation between said stator 111 and rotor 112.Be used for bearing 114 respectively the secure bond structure of secure bond on above-mentioned casing 110 both sides include following structure: carriage 120, bearing fixer 121 and rivet (RIVER) 130.Above-mentioned carriage 120 is used for above-mentioned bearing 114 insertions are combined in the above-mentioned bearings groove 120a; Above-mentioned bearing fixer 121 is used for fixing insertion and is combined in the interior bearing 114 of above-mentioned bearings groove 120a; Above-mentioned a plurality of rivet 130 is positioned at the bearing cap 122 in above-mentioned bearing fixer 121 outsides along the periphery secure bond of the above-mentioned carriage 120 with certain radius.
But the secure bond structure that is used for fixing above-mentioned bearing 114 has following shortcoming.
That is to say, in being used for fixing the secure bond structure of above-mentioned bearing 114, owing to adopted carriage 120 and bearing fixer 121 and as the rivet 130 that is used for fixing in conjunction with the secure bond parts of bearing cap 122, improved production cost, and the flow chart that is appended because of the secure bond rivet has reduced production efficiency, while moves about because of rivet secure bond part, has produced vibration and noise.
This shows that the fixed structure of above-mentioned existing motor bearings still has many defectives, and the assistant officer waits to be improved.
Because the defective that the fixed structure of above-mentioned prior motor bearing exists, the design people is based on being engaged in this type of product design manufacturing for many years, amassing has abundant practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of bearing fixing integrated structure that improves the motor of molding structure, can improve the general molding structure of the fixed structure of existing conventional motor bearings on the market, make it have more competitiveness.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the defective of the fixed structure existence of prior motor bearing, and provide a kind of bearing fixing integrated structure of motor of new structure, make it by improving the secure bond structure of bearing, reduce unnecessary parts, make it simple in structure, reduce manufacturing cost.
The present invention solves its technical problem underlying and realizes by the following technical solutions.The bearing fixing integrated structure of the motor that proposes according to the present invention is characterized in that: include rotating shaft, bearing, carriage, bearing fixer and bearing cap; The box house that above-mentioned rotating shaft is formed on motor is pressed on the rotor rotated, and the revolving force that obtains above-mentioned rotor is rotated; Above-mentioned bearing rotatably supports above-mentioned rotating shaft; Above-mentioned carriage possesses the bearings groove is arranged, and above-mentioned bearings groove is used to insert a side that supports above-mentioned bearing, and above-mentioned bearing fixing is on above-mentioned casing; Above-mentioned bearing fixer is fixed on the inboard of above-mentioned carriage, is used for fixing the opposite side of bearing; Above-mentioned bearing cap spring bearing fixture makes above-mentioned bearing fixer combine closely on bearing; When above-mentioned bearing cap supported above-mentioned bearing fixer, above-mentioned bearing cap possesses to be had according to the outstanding protuberance that forms of certain altitude, makes can be combined on the above-mentioned carriage; On above-mentioned carriage, be formed with engagement groove, engagement groove hollowly form with the corresponding position of above-mentioned protuberance on, make above-mentioned protuberance can ultrasonic waves welding fix.
The present invention solves its technical problem and can also adopt following technical measures further to realize.
Preceding described bearing cap has the circular slab shape, and central portion is formed with the hole of running through rotating shaft, and its outer peripheral face prolongs along vertical direction and forms outstanding protuberance.
Preceding described carriage and bearing cap are formed by plastic material.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the bearing fixing integrated structure of motor of the present invention, because after the protuberance of the bearing cap of plastic material being inserted in the engagement groove of carriage, fix by the ultrasonic waves weld job, it is compared with the structure of prior art alleviated weight, reduce the required component count that is used for fixing in conjunction with bearing, reduced manufacturing cost.
The present invention is on the practicality and cost benefit of structural design, use, really it is required to meet industry development fully, and disclosed structure is unprecedented innovative design, it does not see any publication, do not see more that before application that identical architectural feature is arranged is known, formerly public, and also not seeing on the market has similar products like, and has novelty really.
Structure of the present invention really has more technological progress than the fixed structure of prior motor bearing, and its particular structure feature reaches the fixed structure that more can also be far from the prior motor bearing and can compare, fixed structure than the prior motor bearing has more technical progress, and have the multinomial effect of enhancement, and creative really.
Designer of the present invention studies this series products experience of existing ten several years, quite understand for existing problem of the fixed structure of prior motor bearing and defective, and the present invention founds according to above-mentioned Study of Defects exploitation, it can reach its intended purposes and effect really, not only on the kenel of space, really belong to innovation, and suitable enhancement effect is arranged than the true accessory of the fixed structure of prior motor bearing, and existing known product has more technological progress and practicality, and produced handy and practical good effect, and have practicality really.
In sum, the present invention really belongs to innovation on the kenel of space, and has the multinomial effect of enhancement than existing product, and simple in structure, is suitable for practicality, has the extensive value of industry.It is in limited field, technical development space, no matter structurally or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction partly of technical solution of the present invention feature, for making the professional and technical personnel can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the sectional drawing of the bearing fixing integrated structure of prior art motor.
Fig. 2 is the part cross-sectional side view of the carriage fixed structure mechanism of Fig. 1.
Fig. 3 is the sectional drawing of the bearing fixing integrated structure of motor of the present invention.
The number in the figure explanation:
13: rotating shaft 14: bearing
20: carriage (BRACKER) 20a: bearings groove
20b: engagement groove 21: bearing fixer (HOLDER)
22: bearing cap (COVER) 22a: protuberance
Embodiment
See also shown in Figure 3ly, the bearing fixing integrated structure of motor of the present invention includes following structure: stator, rotor, rotating shaft 13 and bearing 14.Said stator can be fixed on the inboard outer peripheral face of motor case body contiguously; Above-mentioned rotor rotatably is fixed on the inboard of said stator; Above-mentioned rotating shaft 13 is pressed into the inboard that is fixed on above-mentioned rotor; Above-mentioned bearing 14 rotatably supports the both sides of above-mentioned rotating shaft 13 respectively.
Motor of the present invention includes following structure: carriage 20, bearing fixer 21, bearing cap 22 and oily absorption piece 23.When above-mentioned carriage 20 sealed a side open end of above-mentioned casing, central part possessed bearings groove 20a is arranged, and above-mentioned bearings groove 20a is used for inserting in conjunction with above-mentioned bearing 14; Above-mentioned bearing fixer 21 is fixed on the inboard of above-mentioned carriage 20, is used for fixing the opposite side of bearing 14; Above-mentioned bearing cap 22 spring bearing fixtures 21 make above-mentioned bearing fixer 21 combine closely on bearing 14; Above-mentioned oily absorption piece 23 inserts to fixedly install along the inner peripheral surface of above-mentioned bearing fixer 21 and above-mentioned bearing cap 22 and forms.
Above-mentioned bearing cap 22 has the circular slab shape, and central portion is formed with the hole of running through rotating shaft 13, and its outer peripheral face prolongs along vertical direction and forms outstanding protuberance 22a, makes above-mentioned bearing cap 22 be combined on the above-mentioned carriage 20; Above-mentioned bearing cap 22 spring bearing fixtures 21 make above-mentioned bearing fixer 21 combine closely on bearing 14.On above-mentioned carriage 20, be formed with engagement groove 20b, above-mentioned engagement groove 20b hollowly form with the corresponding position of above-mentioned protuberance 22a on, make above-mentioned protuberance 22a can ultrasonic waves welding fix.Above-mentioned carriage 20 and bearing cap 22 are formed by plastics (PLASTIC) material.
In the bearing fixing integrated structure of motor with said structure, because after the protuberance 22a of the bearing cap 22 of plastic material being inserted in the engagement groove 20b of carriage 20, fix by the ultrasonic waves welding, so reduced the required component count that is used for fixing in conjunction with bearing, reduce manufacturing cost, alleviated weight.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (3)
1. the bearing fixing integrated structure of a motor is characterized in that: include rotating shaft, bearing, carriage, bearing fixer and bearing cap; The box house that above-mentioned rotating shaft is formed on motor is pressed on the rotor rotated, and the revolving force that obtains above-mentioned rotor is rotated; Above-mentioned bearing rotatably supports above-mentioned rotating shaft; Above-mentioned carriage possesses the bearings groove is arranged, and above-mentioned bearings groove is used to insert a side that supports above-mentioned bearing, and above-mentioned bearing fixing is on above-mentioned casing; Above-mentioned bearing fixer is fixed on the inboard of above-mentioned carriage, is used for fixing the opposite side of bearing; Above-mentioned bearing cap spring bearing fixture makes above-mentioned bearing fixer combine closely on bearing; When above-mentioned bearing cap supported above-mentioned bearing fixer, above-mentioned bearing cap possesses to be had according to the outstanding protuberance that forms of certain altitude, makes can be combined on the above-mentioned carriage; On above-mentioned carriage, be formed with engagement groove, above-mentioned engagement groove hollowly form with the corresponding position of above-mentioned protuberance on, make above-mentioned protuberance can ultrasonic waves welding fix.
2. the bearing fixing integrated structure of motor according to claim 1 is characterized in that described bearing cap has the circular slab shape, and central portion is formed with the hole of running through rotating shaft, and its outer peripheral face prolongs along vertical direction and forms outstanding protuberance.
3. the bearing fixing integrated structure of motor according to claim 1 is characterized in that wherein said carriage and bearing cap are formed by plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031443702A CN100384063C (en) | 2003-09-25 | 2003-09-25 | Bearing fixture conjunction structure of dynamo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031443702A CN100384063C (en) | 2003-09-25 | 2003-09-25 | Bearing fixture conjunction structure of dynamo |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1601861A CN1601861A (en) | 2005-03-30 |
| CN100384063C true CN100384063C (en) | 2008-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031443702A Expired - Fee Related CN100384063C (en) | 2003-09-25 | 2003-09-25 | Bearing fixture conjunction structure of dynamo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100384063C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165204B (en) * | 2020-10-15 | 2021-11-23 | 江苏万顺新能源科技有限公司 | Bearing inner and outer cover for wind driven generator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0678488A (en) * | 1992-08-27 | 1994-03-18 | Hitachi Ltd | Bearing retainer for motor |
| JPH11146598A (en) * | 1997-11-06 | 1999-05-28 | Kitashiba Electric Co Ltd | Electric motor having bearing fixing plate |
| KR20010111963A (en) * | 2000-06-14 | 2001-12-20 | 구자홍 | End bracket for applying oilless bearing |
| JP2002010565A (en) * | 2000-06-27 | 2002-01-11 | Nidec Shibaura Corp | Motor |
| CN1436284A (en) * | 2000-07-27 | 2003-08-13 | 松下电器产业株式会社 | Bearing device and motor with same |
| CN2574288Y (en) * | 2002-10-23 | 2003-09-17 | 广东美的集团股份有限公司 | Iron case motor |
-
2003
- 2003-09-25 CN CNB031443702A patent/CN100384063C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0678488A (en) * | 1992-08-27 | 1994-03-18 | Hitachi Ltd | Bearing retainer for motor |
| JPH11146598A (en) * | 1997-11-06 | 1999-05-28 | Kitashiba Electric Co Ltd | Electric motor having bearing fixing plate |
| KR20010111963A (en) * | 2000-06-14 | 2001-12-20 | 구자홍 | End bracket for applying oilless bearing |
| JP2002010565A (en) * | 2000-06-27 | 2002-01-11 | Nidec Shibaura Corp | Motor |
| CN1436284A (en) * | 2000-07-27 | 2003-08-13 | 松下电器产业株式会社 | Bearing device and motor with same |
| CN2574288Y (en) * | 2002-10-23 | 2003-09-17 | 广东美的集团股份有限公司 | Iron case motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1601861A (en) | 2005-03-30 |
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Granted publication date: 20080423 Termination date: 20091026 |