CN205070663U - Motor - Google Patents
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- CN205070663U CN205070663U CN201520856464.2U CN201520856464U CN205070663U CN 205070663 U CN205070663 U CN 205070663U CN 201520856464 U CN201520856464 U CN 201520856464U CN 205070663 U CN205070663 U CN 205070663U
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- bearing
- pipe
- half retainers
- grab
- fixed
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Abstract
The utility model provides a contractible strong and weak points degree, reduced size's motor, its spider includes first pipe and second pipe, first pipe cover is established outside the pivot, second pipe cover is established outside first pipe and integrated into one piece in first pipe, the second pipe is hollow and the both ends opening, space between the outer wall of the last bottom surface of first pipe or the inner wall of lower bottom surface and second pipe and pivot forms the bearing room, the bearing is installed at the bearing indoorly, the bearing cap sets up in the last bottom surface of bearing and first pipe under or between the bottom surface, the one end of end cover is fixed with the bearing, and the end cover other end is fixed with the casing, the rotor core cover is established outside the second pipe, and the stator core cover is established outside rotor core. The utility model has the advantages of change spider's structure, make it along the axial to the space of indent in order to have the holding bearing to install the inner space of rotor with the bearing, and then reduce motor's axial dimensions, reduce motor's volume.
Description
Technical field
The utility model relates to a kind of motor, specifically a kind of motor shortening length, reduce volume.
Background technology
At present, in vehicle and industrial technical field, the form of motor mechanism is varied, along with expanding economy, the progress of society, vehicle and industrial technical field increasing to power demand, need to adopt the larger motor of power or generator, especially in hybrid electric vehicle field, this application is more extensive, and heavy-duty motor or generator often volume ratio is larger, the shortcoming that length is longer, but in vehicle and industrial technical field often to volume and the limited length system of motor, especially in hybrid electric vehicle field, due to vehicle mounting structure limited space, need the length of motor more short better.The bearing of existing motor is installed on the two ends (as Fig. 1) of rotor, motor comprises stator core 1, rotor core 2, rotor field spider 3, rotating shaft 4, bearing 5, end cap 6, casing 7, bearing cap 8, due to the thickness of bearing, bearing cap and other installation accessories, add the total length of motor, limit the range of application of motor.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of motor shortening length, reduce volume.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of motor, comprise stator core, rotor core, rotor field spider, rotating shaft, bearing, end cap and casing, described stator core, rotor core, rotor field spider, rotating shaft, bearing, end cap are all arranged in casing, described rotor field spider and bearing are all set in rotating shaft, described bearing is provided with two and lays respectively at rotor field spider two ends, is provided with bearing cap between described bearing and rotor field spider;
Described rotor field spider comprises the first pipe and the second pipe, described first pipe is set in outside rotating shaft, it is outer and one-body molded on the first pipe that described second pipe is set in the first pipe, the higher primary school of described first pipe is in the second pipe, described first pipe comprises upper bottom surface and bottom surface, space between the inwall of the upper bottom surface of the first pipe or bottom surface and the second pipe and the outer wall of rotating shaft forms bearing chamber, described bearing is arranged in described bearing chamber, between the upper bottom surface that described bearing cap is arranged on bearing and the first pipe or bottom surface;
One end and the bearing of described end cap are fixed, and the end cap other end and casing are fixed;
Described rotor core is set in outside the second pipe, and described stator core is set in outside rotor core.
The beneficial effects of the utility model are: the structure changing rotor field spider, make it the space concaving vertically there is accommodating bearing, thus bearing is installed to inner space instead of the two ends of rotor field spider, and then reduce the axial dimension of motor, reduce the volume of motor.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the motor in background technology.
Fig. 2 is the cutaway view of the utility model embodiment 1 motor.
Fig. 3 is the cutaway view of the utility model embodiment 2 motor.
Fig. 4 is the cutaway view of the first half retainers in the utility model embodiment 1 or 2.
Fig. 5 is the structural representation of the first half retainers in the utility model embodiment 1 or 2.
Fig. 6 is the structural representation of the first half retainers in the utility model embodiment 1 or 2.
Label declaration:
1, stator core; 2, rotor core; 3, rotor field spider; 31, the first pipe; 32, the second pipe; 4, rotating shaft; 5, bearing; 51, inner ring; 52, outer ring; 53, steel ball; 541, the first half retainers; 5411, the first grab; 5412, the first bayonet socket; 542, the second half retainers; 5421, the second grab; 5422, the second bayonet socket; 543, pocket hole; 544, plane; 6, end cap; 61, Part I; 62, Part II; 63, Part III; 64, Part IV; 7, casing; 8, bearing cap.
Embodiment
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with execution mode.
The design of the utility model most critical is: the structure changing rotor field spider, make it the space concaving vertically there is accommodating bearing, thus bearing is installed to inner space instead of the two ends of rotor field spider, and then reduce the axial dimension of motor, reduce the volume of motor.
Please refer to Fig. 2 and Fig. 3, a kind of motor, comprise stator core 1, rotor core 2, rotor field spider 3, rotating shaft 4, bearing 5, end cap 6 and casing 7, described stator core, rotor core, rotor field spider, rotating shaft, bearing, end cap are all arranged in casing, described rotor field spider and bearing are all set in rotating shaft, described bearing is provided with two and lays respectively at rotor field spider two ends, is provided with bearing cap 8 between described bearing and rotor field spider;
Described rotor field spider comprises the first pipe 31 and the second pipe 32, described first pipe is set in outside rotating shaft, it is outer and one-body molded on the first pipe that described second pipe is set in the first pipe, the higher primary school of described first pipe is in the second pipe, described first pipe comprises upper bottom surface and bottom surface, space between the inwall of the upper bottom surface of the first pipe or bottom surface and the second pipe and the outer wall of rotating shaft forms bearing chamber, described bearing is arranged in described bearing chamber, between the upper bottom surface that described bearing cap is arranged on bearing and the first pipe or bottom surface;
One end and the bearing of described end cap are fixed, and the end cap other end and casing are fixed;
Described rotor core is set in outside the second pipe, and described stator core is set in outside rotor core.
From foregoing description, the beneficial effects of the utility model are: the structure changing rotor field spider, make it the space concaving vertically there is accommodating bearing, thus bearing is installed to inner space instead of the two ends of rotor field spider, and then reduce the axial dimension of motor, reduce the volume of motor.
Further, please refer to Fig. 2, described end cap comprises the Part I 61 connected successively, Part II 62 and Part III 63, described Part III is circular and its excircle and casing are fixed, described Part II is round table-like and both ends open, one end that the inner periphery of described Part III is larger with Part II opening is connected, described Part I is the hollow cylinder of both ends open and is arranged between bearing and rotor core, described bearing cap closes the one end open of Part I, the Part I other end has radially extended internally Part IV 64, described Part IV closes the other end opening of Part I, described bearing comprises inner ring 51 and outer ring 52, and described inner ring is fixed in rotating shaft, and described outer ring is fixed on the Part I of end cap.
Seen from the above description, in the utility model motor, end cover structure is made and as above improves, inner ring and the rotating shaft of bearing are fixed, outer ring and end cap are fixed, and rotor field spider is also fixed in rotating shaft, and rotor core is fixed on the second pipe of rotor field spider, stator core is set in outside rotor core, and electric machine structure is compacter.
Further, please refer to Fig. 3, described end cap comprises the Part I 61 connected successively, Part IV 64, Part II 62 and Part III 63, described Part III is circular and the excircle of Part III and casing are fixed, described Part II is round table-like and both ends open, one end that the inner periphery of described Part III is larger with Part II opening is connected, described Part I is the hollow cylinder of both ends open and is arranged between bearing and rotating shaft, described Part IV is circular and the excircle of Part IV one end less with Part II opening is connected, the inner periphery of Part IV is connected with Part I, described bearing comprises inner ring and outer ring, and described inner ring is fixed on the Part I of end cap, and described outer ring is fixed on the second pipe.
Seen from the above description, end cover structure can also as above improve, and now the inner ring of bearing and end cap are fixed, and the second pipe of outer ring and rotor field spider is fixed, and also can ensure that electric machine structure is compact.
Further, please refer to Fig. 4 to Fig. 6, described bearing also comprises steel ball 53 and ribbon retainer, described ribbon retainer comprises the first half retainers 541 and the second half retainers 542, described the first half retainers and the second half retainers include multiple pocket hole 543 and plane 544, the setting alternate with plane of described pocket hole, described pocket hole is connected by transition chamfering with plane, the plane of described the first half retainers is connected with the plane of the second half retainers to be made to form multiple spherical cavity between the first half retainers and the second half retainers, described steel ball is contained in spherical cavity, described steel ball abuts with outer ring and inner ring simultaneously, the plane of described the first half retainers is provided with the first grab 5411 and the first bayonet socket 5412, the plane of described the second half retainers is provided with the second bayonet socket 5422 and the second grab 5421, described second bayonet socket and the first grab suitable, described second grab and the first bayonet socket suitable, described first grab is shaped in the first half retainers, described second grab is shaped in the second half retainers, described the first half retainers and the second half retainers are by the first grab and the second bayonet socket, second grab was fixed with coordinating of the first bayonet socket.
Seen from the above description, two and half retainers are provided with grab and bayonet socket, are mutually fastened togather by two and half retainers by two pairs of grabs and bayonet socket, not only easy for installation, and sound construction, two and half retainers can not produce noise when bearing runs up; Steel ball is contained in spherical cavity, and steel ball abuts with outer ring and inner ring simultaneously, and spherical cavity can be used for storing grease simultaneously, to keep the lubrication of steel ball, reduces the noise of bearing when running up.
Further, the cross section of the head of described grab is trapezoidal.
Seen from the above description, the head due to grab is trapezoidal, and certain power pressing side retainer only need be used in buckle process to complete buckle, convenient and strength-saving; And after buckle completes difficult drop-off, both ensure that the fastening of buckle, additionally reduced the difficulty of buckle.
Further, the material of described ribbon retainer is nylon.
Seen from the above description, adopt nylon material to make ribbon retainer, can save production cost, the coefficient of friction of nylon material and rolling element is less, not only can improve the rotating speed of bearing, and noise is less.
Please refer to Fig. 2 and Fig. 4 ~ 6, embodiment 1 of the present utility model is:
A kind of motor, comprise stator core 1, rotor core 2, rotor field spider 3, rotating shaft 4, bearing 5, end cap 6 and casing 7, described stator core, rotor core, rotor field spider, rotating shaft, bearing, end cap are all arranged in casing, described rotor field spider and bearing are all set in rotating shaft, described bearing is provided with two and lays respectively at rotor field spider two ends, is provided with bearing cap 8 between described bearing and rotor field spider;
Described rotor field spider comprises the first pipe 31 and the second pipe 32, described first pipe is set in outside rotating shaft, it is outer and one-body molded on the first pipe that described second pipe is set in the first pipe, the higher primary school of described first pipe is in the second pipe, described first pipe comprises upper bottom surface and bottom surface, space between the inwall of the upper bottom surface of the first pipe or bottom surface and the second pipe and the outer wall of rotating shaft forms bearing chamber, described bearing is arranged in described bearing chamber, between the upper bottom surface that described bearing cap is arranged on bearing and the first pipe or bottom surface;
One end and the bearing of described end cap are fixed, and the end cap other end and casing are fixed;
Described rotor core is set in outside the second pipe, and described stator core is set in outside rotor core.
Described end cap comprises the Part I 61 connected successively, Part II 62 and Part III 63, described Part III is circular and its excircle and casing are fixed, described Part II is round table-like and both ends open, one end that the inner periphery of described Part III is larger with Part II opening is connected, described Part I is the hollow cylinder of both ends open and is arranged between bearing and rotor core, described bearing cap closes the one end open of Part I, the Part I other end has radially extended internally Part IV 64, described Part IV closes the other end opening of Part I, described bearing comprises inner ring 51 and outer ring 52, and described inner ring is fixed in rotating shaft, and described outer ring is fixed on the Part I of end cap.
Described bearing also comprises steel ball 53 and ribbon retainer, described ribbon retainer comprises the first half retainers 541 and the second half retainers 542, described the first half retainers and the second half retainers include multiple pocket hole 543 and plane 544, the setting alternate with plane of described pocket hole, described pocket hole is connected by transition chamfering with plane, the plane of described the first half retainers is connected with the plane of the second half retainers to be made to form multiple spherical cavity between the first half retainers and the second half retainers, described steel ball is contained in spherical cavity, described steel ball abuts with outer ring and inner ring simultaneously, the plane of described the first half retainers is provided with the first grab 5411 and the first bayonet socket 5412, the plane of described the second half retainers is provided with the second bayonet socket 5422 and the second grab 5421, described second bayonet socket and the first grab suitable, described second grab and the first bayonet socket suitable, described first grab is shaped in the first half retainers, described second grab is shaped in the second half retainers, described the first half retainers and the second half retainers are by the first grab and the second bayonet socket, second grab was fixed with coordinating of the first bayonet socket.The cross section of the head of described grab is trapezoidal.The material of described ribbon retainer is nylon.
Please refer to Fig. 3 and Fig. 4 ~ 6, embodiment 2 of the present utility model is: a kind of motor, comprise stator core 1, rotor core 2, rotor field spider, rotating shaft 4, bearing, end cap and casing 7, described stator core, rotor core, rotor field spider, rotating shaft, bearing, end cap are all arranged in casing, described rotor field spider and bearing are all set in rotating shaft, described bearing is provided with two and lays respectively at rotor field spider two ends, is provided with bearing cap 8 between described bearing and rotor field spider;
Described rotor field spider comprises the first pipe 31 and the second pipe 32, described first pipe is set in outside rotating shaft, it is outer and one-body molded on the first pipe that described second pipe is set in the first pipe, the higher primary school of described first pipe is in the second pipe, described first pipe comprises upper bottom surface and bottom surface, space between the inwall of the upper bottom surface of the first pipe or bottom surface and the second pipe and the outer wall of rotating shaft forms bearing chamber, described bearing is arranged in described bearing chamber, between the upper bottom surface that described bearing cap is arranged on bearing and the first pipe or bottom surface;
One end and the bearing of described end cap are fixed, and the end cap other end and casing are fixed;
Described rotor core is set in outside the second pipe, and described stator core is set in outside rotor core.
Described end cap comprises the Part I 61 connected successively, Part IV 64, Part II 62 and Part III 63, described Part III is circular and the excircle of Part III and casing are fixed, described Part II is round table-like and both ends open, one end that the inner periphery of described Part III is larger with Part II opening is connected, described Part I is the hollow cylinder of both ends open and is arranged between bearing and rotating shaft, described Part IV is circular and the excircle of Part IV one end less with Part II opening is connected, the inner periphery of Part IV is connected with Part I, described bearing comprises inner ring and outer ring, and described inner ring is fixed on the Part I of end cap, and described outer ring is fixed on the second pipe.
Described bearing also comprises steel ball 53 and ribbon retainer, described ribbon retainer comprises the first half retainers 541 and the second half retainers 542, described the first half retainers and the second half retainers include multiple pocket hole and plane, the setting alternate with plane of described pocket hole, described pocket hole is connected by transition chamfering with plane, the plane of described the first half retainers is connected with the plane of the second half retainers to be made to form multiple spherical cavity between the first half retainers and the second half retainers, described steel ball is contained in spherical cavity, described steel ball abuts with outer ring and inner ring simultaneously, the plane of described the first half retainers is provided with the first grab 5411 and the first bayonet socket 5412, the plane of described the second half retainers is provided with the second bayonet socket 5422 and the second grab 5421, described second bayonet socket and the first grab suitable, described second grab and the first bayonet socket suitable, described first grab is shaped in the first half retainers, described second grab is shaped in the second half retainers, described the first half retainers and the second half retainers are by the first grab and the second bayonet socket, second grab was fixed with coordinating of the first bayonet socket.The cross section of the head of described grab is trapezoidal.The material of described ribbon retainer is nylon.
In sum, the beneficial effect of the motor that the utility model provides is: the structure changing rotor field spider, make it the space concaving vertically there is accommodating bearing, thus bearing is installed to inner space instead of the two ends of rotor field spider, and then reduce the axial dimension of motor, reduce the volume of motor; To two kinds of improvement that end cover structure is made, electric machine structure all can be made compacter, reduce motor volume; To the improvement that the ribbon retainer of bearing is made, not only make the assembling of bearing more convenient, and the noise of bearing when running up can be reduced; Adopt nylon material to make ribbon retainer, can save production cost, the coefficient of friction of nylon material and rolling element is less, not only can improve the rotating speed of bearing, and noise is less.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model specification and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a motor, comprise stator core, rotor core, rotor field spider, rotating shaft, bearing, end cap and casing, described stator core, rotor core, rotor field spider, rotating shaft, bearing, end cap are all arranged in casing, described rotor field spider and bearing are all set in rotating shaft, described bearing lays respectively at rotor field spider two ends, is provided with bearing cap between described bearing and rotor field spider, and one end and the bearing of described end cap are fixed, the end cap other end and casing are fixed, and it is characterized in that:
Described rotor field spider comprises the first pipe and the second pipe, and described first pipe is set in outside rotating shaft, and it is outer and one-body molded on the first pipe that described second pipe is set in the first pipe,
The higher primary school of described first pipe is in the second pipe, described first pipe comprises upper bottom surface and bottom surface, space between the inwall of the upper bottom surface of the first pipe or bottom surface and the second pipe and the outer wall of rotating shaft forms bearing chamber, described bearing is arranged in described bearing chamber, between the upper bottom surface that described bearing cap is arranged on bearing and the first pipe or bottom surface;
Described rotor core is set in outside the second pipe, and described stator core is set in outside rotor core.
2. motor according to claim 1, it is characterized in that: described end cap comprises the Part I connected successively, Part II and Part III, described Part III is circular and its excircle and casing are fixed, described Part II is round table-like and both ends open, one end that the inner periphery of described Part III is larger with Part II opening is connected, described Part I is the hollow cylinder of both ends open and is arranged between bearing and rotor core, described bearing cap closes the one end open of Part I, the Part I other end has radially extended internally Part IV, described Part IV closes the other end opening of Part I,
Described bearing comprises inner ring and outer ring, and described inner ring is fixed in rotating shaft, and described outer ring is fixed on the Part I of end cap.
3. motor according to claim 1, it is characterized in that: described end cap comprises the Part I connected successively, Part IV, Part II and Part III, described Part III is circular and the excircle of Part III and casing are fixed, described Part II is round table-like and both ends open, one end that the inner periphery of described Part III is larger with Part II opening is connected, described Part I is the hollow cylinder of both ends open and is arranged between bearing and rotating shaft, described Part IV is circular and the excircle of Part IV one end less with Part II opening is connected, the inner periphery of Part IV is connected with Part I,
Described bearing comprises inner ring and outer ring, and described inner ring is fixed on the Part I of end cap, and described outer ring is fixed on the second pipe.
4. the motor according to any one of Claims 2 or 3, it is characterized in that: described bearing also comprises steel ball and ribbon retainer, described ribbon retainer comprises the first half retainers and the second half retainers, described the first half retainers and the second half retainers include multiple pocket hole and plane, the setting alternate with plane of described pocket hole, described pocket hole is connected by transition chamfering with plane, the plane of described the first half retainers is connected with the plane of the second half retainers to be made to form multiple spherical cavity between the first half retainers and the second half retainers, described steel ball is contained in spherical cavity, described steel ball abuts with outer ring and inner ring simultaneously, the plane of described the first half retainers is provided with the first grab and the first bayonet socket, the plane of described the second half retainers is provided with the second bayonet socket and the second grab, described second bayonet socket and the first grab suitable, described second grab and the first bayonet socket suitable, described first grab is shaped in the first half retainers, described second grab is shaped in the second half retainers, described the first half retainers and the second half retainers are by the first grab and the second bayonet socket, second grab was fixed with coordinating of the first bayonet socket.
5. motor according to claim 4, is characterized in that: the cross section of the head of described grab is trapezoidal.
6. motor according to claim 4, is characterized in that: the material of described ribbon retainer is nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520856464.2U CN205070663U (en) | 2015-10-30 | 2015-10-30 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520856464.2U CN205070663U (en) | 2015-10-30 | 2015-10-30 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070663U true CN205070663U (en) | 2016-03-02 |
Family
ID=55397164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520856464.2U Active CN205070663U (en) | 2015-10-30 | 2015-10-30 | Motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205070663U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226868A (en) * | 2015-10-30 | 2016-01-06 | 厦门市福工动力技术有限公司 | A kind of motor |
| WO2017220239A1 (en) * | 2016-06-20 | 2017-12-28 | Continental Automotive Gmbh | Rotor for an electric asynchronous machine with a cast cage rotor, electric machine, and production method |
-
2015
- 2015-10-30 CN CN201520856464.2U patent/CN205070663U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226868A (en) * | 2015-10-30 | 2016-01-06 | 厦门市福工动力技术有限公司 | A kind of motor |
| WO2017220239A1 (en) * | 2016-06-20 | 2017-12-28 | Continental Automotive Gmbh | Rotor for an electric asynchronous machine with a cast cage rotor, electric machine, and production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 361000, No. 123, Cao Tong Road, industrial concentration area, Tongan District, Fujian, Xiamen Patentee after: XIAMEN FUGONG POWER TECHNOLOGY CO., LTD. Address before: 361000 Fujian Province, Xiamen city Tongan Industrial Zone Chi Ping Road No. 2890 Patentee before: XIAMEN FUGONG POWER TECHNOLOGY CO., LTD. |
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| CP02 | Change in the address of a patent holder |