CN200978944Y - Integral type pulley assembly for automobile AC generator - Google Patents
Integral type pulley assembly for automobile AC generator Download PDFInfo
- Publication number
- CN200978944Y CN200978944Y CN 200620126885 CN200620126885U CN200978944Y CN 200978944 Y CN200978944 Y CN 200978944Y CN 200620126885 CN200620126885 CN 200620126885 CN 200620126885 U CN200620126885 U CN 200620126885U CN 200978944 Y CN200978944 Y CN 200978944Y
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- mandrel
- outer ring
- needle roller
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- 239000000428 dust Substances 0.000 claims abstract description 42
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000004323 axial length Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract 1
- 208000032826 Ring chromosome 3 syndrome Diseases 0.000 description 15
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000297 inotrophic effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model relates to a whole trolley assembly used by a vehicle alternating current generator with an embedded one-way clutch, which is fixed on the end portion of the vehicle alternating current generator rotary shaft and drives the vehicle alternating current generator by equipping no junction belt between driving belt wheels on the end portion of a motor curved shaft. The utility model makes an inner ring and a mandrel of a one-way clutch in the original structure into an integrated type, solves the problem of the easy happening of sliding phenomenon between the one-way clutch and the mandrel, the outer ring of the one-way clutch, the outer ring of a front supporting bear and the outer ring of a back supporting bear are an integrated outer ring, the front portion of the mandrel is equipped with a convex shoulder used to axially locate the outer ring with a high location preciseness and effective length integration of the transmit torque, anti dust sealing elements are equipped between the mandrel and the driven belt wheel on the front end of the front supporting bear and the back end of the back supporting bear, with a high sealing performance and long using life, which is suitable for each kind of road condition.
Description
Technical field
The utility model relates to the AC generator for vehicle integral pulley assembly of built-in overrunning clutch, be fixed in the end of AC generator for vehicle running shaft, and be fixed between the drive pulley of engine crankshaft end, by hanging endless belt, drive above-mentioned AC generator for vehicle.
Background technique
In order to satisfy the powerful requirement of AC generator for vehicle, pulley assembly more and more obtains the concern of numerous main engine factory as the most feasible solution that realizes this function.At present, what domestic automobile current generator adopted is simple belt pulley, do not contain overrunning clutch, under the requirement that automobile electrical power increases, easily produce skidding, cause that car load can't proper functioning, main cause is to consider the whole train life-span of motor car engine periphery, comprise belt and idle pulley, motor drives generator work by train, when motor quits work, because whole train is a driven member, the belt pulley that comprises generator, and generator is because the effect of rotator inertia, still can be rotated further, in this case, the belt pulley that is used for transmission can be suddenly by tightly fluffing, like this, because the applying working condition of automobile, the state that has continual operation or stop, whole train is in all the time by tightly fluffing, become tight inotropic state by pine, very easily damage the idle pulley of belt and train, this situation is particularly evident in diesel engine, mainly be because since diesel engine to lack than petrol engine from the time that rated speed transfers to rapidly, impact is just big more like this, and simultaneously, the vibration of diesel engine is much larger than petrol engine.Because the power demand of generator increases, make the rotary inertia of generator also increase (rotor weight continues to increase), can't shut down in short time, but this moment, motor quit work, so also cause impact (belt pulley and the generator shaft that adopts is to be rigidly connected at present, the existence of no relative movement) to train.At the problems referred to above, in recent years, the such technological scheme of external proposition, when the travelling speed of endless belt is in certain or rising trend, can be freely from endless belt to the running shaft transferring power, and, the travelling speed of endless belt is in when descending tendency, driven pulley and running shaft can freely counterrotating alternator with the scheme of the pulley apparatus of built-in overrunning clutch, open clear 56-101353 as the Japan Patent spy, Te Kaiping 7-317807, same 8-61443, same 10-285873, special fair 7-72585, the spy opens 2001-82586, F.P. FR2726059A1 etc., and the such alternator of a part is actually used with the pulley apparatus of built-in overrunning clutch.The spy opens 2001-82586 disclosed " alternator with the belt pulley of built-in overrunning clutch ", it is the technological scheme that generating efficiency is higher and the endless belt life-span is long in the technique scheme, as shown in Figure 1, it adopts on the running shaft of alternator, outside suit fixing mandrel freely; This mandrel around with the concentric driven pulley that is provided with of this mandrel; Between the axial intermediate portion of the inner headed face of the axial intermediate portion of mandrel periphery and driven pulley, only this driven pulley with respect to above-mentioned mandrel when the defined direction is inclined in relative rotation, the overrunning clutch that can freely transmit of the rotatory force between driven pulley and the mandrel; At the state of clamping this overrunning clutch from axial two ends, between the inner headed face of the periphery of above-mentioned mandrel and driven pulley, supporting the radial load that loads on this driven pulley, can make this mandrel and driven pulley can freedom 1 pair of block bearing in relative rotation.Above-mentioned overrunning clutch and block bearing adopt the mode of interference fit to be sleeved on the mandrel, and the magnitude of interference of block bearing and driven pulley can directly have influence on the axially locating precision of train, thereby causes the effective length disunity of transmitting torque; Secondly, also be to adopt interference fit between overrunning clutch and mandrel, this structure can satisfy usage requirement when automobile running when road conditions are preferably on the highway, but, when automobile running is on the bad road of road conditions, such as rugged mountain path etc., failure phenomenon can appear skidding between overrunning clutch and mandrel; In addition, its block bearing outer end is not provided with dust seal, and the road conditions perfect condition, has dust and enters block bearing and influence working life when road conditions are comparatively abominable along using in the vehicle traveling process.
Summary of the invention
The technical problems to be solved in the utility model is: use in the pulley assembly owing to there is not axially locating reliably between overrunning clutch and block bearing and mandrel at existing AC generator for vehicle, and influence the axially locating precision of whole train, thereby cause the effective length disunity of transmitting torque; The failure phenomenon that skids can appear between overrunning clutch and mandrel; When road conditions are comparatively abominable, have dust in the vehicle traveling process and enter block bearing and influence deficiency such as working life.The utility model provides a kind of AC generator for vehicle pulley assembly, and the effective length of this pulley assembly transmitting torque is unified, failure phenomenon, long service life can not occur between unidirectional mechanism and mandrel.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of AC generator for vehicle integral pulley assembly, mandrel with the running shaft end that is fixedly set in alternator, outside the mandrel circumference with the concentric driven pulley that is provided with of this mandrel, between mandrel and driven pulley, be provided with overrunning clutch, preceding block bearing and rear trunnion hold, preceding block bearing and rear trunnion hold the front-end and back-end that are separately positioned on overrunning clutch, overrunning clutch, preceding block bearing and rear trunnion hold all outer ring and inner ring, the outer ring of overrunning clutch, before the outer ring of block bearing and outer ring that rear trunnion holds all with the driven pulley interference fit, the outer ring of overrunning clutch, the integral outer ring that the outer ring of preceding block bearing and the outer ring that rear trunnion holds are structure as a whole, there is the rib that is extended internally by integral outer ring at the integral outer ring two ends, the mandrel front portion is useful on the convex shoulder of integral outer ring's axially locating, the inner ring of overrunning clutch, the inner ring of preceding block bearing, inner ring and mandrel that rear trunnion holds are structure as a whole, and are respectively arranged with dust seal in the rear end that the front end and the rear trunnion of preceding block bearing holds between mandrel and driven pulley.The inner ring and the mandrel of the overrunning clutch in the original structure are made of one structure, thereby have avoided the failure phenomenon that skids between overrunning clutch and mandrel; The mandrel front portion is useful on the convex shoulder of integral outer ring's axially locating, axially locating precision height, and the effective length of transmitting torque is unified.
Aforesaid overrunning clutch has long needle roller and long cages for needle, long needle roller contacts with the inner headed face of integral outer ring and the periphery rolling of mandrel, long cages for needle is provided with the spring of the long needle roller of circumferencial direction elasticity pushing that equates with long needle roller quantity, be provided with the arc slope groove that equates with long needle roller quantity corresponding to long needle roller place on the mandrel periphery, arc slope groove axial length matches with long needle roller, and the radial spacing between the inner headed face of integral outer ring and the periphery of mandrel is at the diameter of non-arc slope groove less than long needle roller, at the diameter of arc slope groove groove depth biggest place greater than long needle roller; Supporting needle roller before block bearing has before aforesaid, aforesaid rear trunnion holds has back supporting needle roller, preceding supporting needle roller contacts with the inner headed face of integral outer ring and the periphery rolling of mandrel respectively with back supporting needle roller, the diameter of long needle roller is greater than the diameter of preceding supporting needle roller, and the diameter of back supporting needle roller is greater than the diameter of long needle roller.
Aforesaid dust seal comprises dust ring and dust ring, and the driven pulley inner ring has the dust ring mounting groove, and dust ring is fitted in the dust ring mounting groove, and dust ring is fitted in the dust ring inner ring, and the dust ring inner ring cooperates with stem seal.Improve sealability, avoided automobile running dust when abominable road conditions to enter bearing effectively, improved working life.
For further improving sealability, aforesaid dust ring has the end face seal lip.
The beneficial effects of the utility model are, AC generator for vehicle of the present utility model is made the inner ring of the overrunning clutch in original structure and mandrel with integral pulley assembly all-in-one-piece, has effectively avoided the skidding between overrunning clutch and mandrel; Axially locating precision height, the effective length of transmitting torque is unified, dust sealing performance height, long service life is applicable to various road conditions.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1.
1. mandrels among the figure, 11. convex shoulders, 12. arc slope grooves, 2. driven pulley, 3. integral outer ring, 4. dust seal, 41. dust rings, 42. dust rings, 5. long needle roller, 6. long cages for needle, 7. spring, 8. before supporting needle roller, 9. back supporting needle roller.
Embodiment
As Fig. 1, AC generator for vehicle integral pulley assembly of the present utility model shown in 2, be cylindrical-shaped structure on the whole, mandrel 1 with the running shaft end that is sleeved on alternator, on the mandrel 1 middle part inner headed face internal thread is arranged, be threaded with the running shaft of alternator, on the mandrel 1 front end inner headed face internal spline is arranged, cooperate with the instrument of head band external splines, the running shaft that is used for mandrel 1 and alternator assembles, outside mandrel 1 circumference with this mandrel 1 concentric driven pulley 2 that is provided with, between mandrel 1 and driven pulley 2, be provided with overrunning clutch, preceding block bearing and rear trunnion hold, preceding block bearing and rear trunnion hold the front-end and back-end that are separately positioned on overrunning clutch, overrunning clutch, preceding block bearing and rear trunnion hold all outer ring and inner ring, the outer ring of overrunning clutch, the integral outer ring 3 that the outer ring of preceding block bearing and the outer ring that rear trunnion holds are structure as a whole, integral outer ring 3 and driven pulley 2 interference fit, there is the rib that is extended internally by integral outer ring 3 at integral outer ring 3 two ends, mandrel 1 front portion is useful on the convex shoulder 11 of integral outer ring's 3 axially locating, the inner ring of overrunning clutch, the inner ring of preceding block bearing, inner ring that rear trunnion holds and mandrel 1 are structure as a whole, overrunning clutch also has long needle roller 5 and long cages for needle 6, long needle roller 5 contacts with the inner headed face of integral outer ring 3 and the periphery rolling of mandrel 1, long cages for needle 6 is provided with the spring 7 of the long needle roller 5 of circumferencial direction elasticity pushing that equates with long needle roller 5 quantity, each spring 7 is to the long needle roller 5 of same direction pushing, as shown in Figure 2, spring 7 pushes long needle roller 5 to counterclockwise; Be provided with the arc slope groove 12 that equates with long needle roller 5 quantity corresponding to long needle roller 5 places on mandrel 1 periphery, arc slope groove 12 axial lengths match with long needle roller 5, radial spacing between the periphery of the inner headed face of integral outer ring 3 and mandrel 1 is the diameter less than long needle roller 5 at groove 12 places, non-arc slope, at the diameter of groove 12 groove depth biggest places in arc slope greater than long needle roller 5, long cages for needle 6 can not relatively rotate with respect to mandrel 1, between driven pulley 2 and the alternator running shaft, can only transmit the rotatory force of prescribed direction, in Fig. 2, suppose that mandrel 1 is fixing, only integral outer ring 3 rotates, so when integral outer ring 3 when clockwise direction rotates, the power that long needle roller 5 is subjected to owing to the inner headed face from integral outer ring 3, elastic force with resistance spring 7, move to the position that arc slope groove 12 groove depths deepen, long needle roller 5 just become can be in arc slope groove 12 can rotary state, 1 of integral outer ring 3 and mandrel just can not carry out the transmission of rotatory force, have promptly become to surmount state.On the contrary, when integral outer ring 3 when counter clockwise direction is rotated, long needle roller 5 is because the power that is subjected to from the inner headed face of integral outer ring 3 and the elastic force effect of spring 7, move to the position that arc slope groove 12 groove depths shoal, wedge-like ground is by wedging, integral outer ring 3 and mandrel 1 are combined into one, and 1 of integral outer ring 3 and mandrel just can freely transmit rotatory force, promptly become lock state.2 rear ends of holding at the front end and the rear trunnion of preceding block bearing of mandrel 1 and driven pulley are respectively arranged with dust seal 4, dust seal 4 comprises dust ring 41 and dust ring 42, driven pulley 2 inner rings have the dust ring mounting groove, dust ring 41 is fitted in the dust ring mounting groove, dust ring 42 is fitted in dust ring 41 inner rings, dust ring 42 inner rings and mandrel 1 are sealed and matched, and dust ring 42 has the end face seal lip.
Claims (4)
1. AC generator for vehicle integral pulley assembly, mandrel (1) with the running shaft end that is fixedly set in alternator, outside mandrel (1) circumference with the concentric driven pulley (2) that is provided with of this mandrel (1), between mandrel (1) and driven pulley (2), be provided with overrunning clutch, preceding block bearing and rear trunnion hold, preceding block bearing and rear trunnion hold the front-end and back-end that are separately positioned on overrunning clutch, overrunning clutch, preceding block bearing and rear trunnion hold all outer ring and inner ring, the outer ring of overrunning clutch, before the outer ring of block bearing and outer ring that rear trunnion holds all with driven pulley (2) interference fit, it is characterized in that: the outer ring of overrunning clutch, the integral outer ring (3) that the outer ring of preceding block bearing and the outer ring that rear trunnion holds are structure as a whole, there is the rib that is extended internally by integral outer ring (3) at integral outer ring (3) two ends, mandrel (1) front portion is useful on the convex shoulder (11) of integral outer ring (3) axially locating, the inner ring of overrunning clutch, the inner ring of preceding block bearing, inner ring that rear trunnion holds and mandrel (1) are structure as a whole, and are respectively arranged with dust seal (4) in the rear end that the front end and the rear trunnion of preceding block bearing holds between mandrel (1) and driven pulley (2).
2. AC generator for vehicle integral pulley assembly according to claim 1, it is characterized in that: described overrunning clutch has long needle roller (5) and long cages for needle (6), long needle roller (5) contacts with the inner headed face of integral outer ring (3) and the periphery rolling of mandrel (1), long cages for needle (6) is provided with the spring (7) of the circumferencial direction elasticity long needle roller of pushing (5) that equates with long needle roller (5) quantity, locate to be provided with the arc slope groove (12) that equates with long needle roller (5) quantity corresponding to long needle roller (5) on mandrel (1) periphery, arc slope groove (12) axial length and long needle roller (5) match, and the radial spacing between the periphery of the inner headed face of integral outer ring (3) and mandrel (1) is located diameter less than long needle roller (5) at non-arc slope groove (12), at the diameter of arc slope groove (12) groove depth biggest place greater than long needle roller (5); Supporting needle roller (8) before block bearing has before described, described rear trunnion holds has back supporting needle roller (9), preceding supporting needle roller (8) contacts with the inner headed face of integral outer ring (3) and the periphery rolling of mandrel (1) respectively with back supporting needle roller (9), the diameter of long needle roller (5) is greater than the diameter of preceding supporting needle roller (8), and the diameter of back supporting needle roller (9) is greater than the diameter of long needle roller (5).
3. AC generator for vehicle integral pulley assembly according to claim 1, it is characterized in that: described dust seal (4) comprises dust ring (41) and dust ring (42), driven pulley (2) inner ring has the dust ring mounting groove, dust ring (41) is fitted in the dust ring mounting groove, dust ring (42) is fitted in dust ring (41) inner ring, and dust ring (42) inner ring and mandrel (1) are sealed and matched.
4. AC generator for vehicle integral pulley assembly according to claim 3 is characterized in that: described dust ring (42) has the end face seal lip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620126885 CN200978944Y (en) | 2006-10-25 | 2006-10-25 | Integral type pulley assembly for automobile AC generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620126885 CN200978944Y (en) | 2006-10-25 | 2006-10-25 | Integral type pulley assembly for automobile AC generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200978944Y true CN200978944Y (en) | 2007-11-21 |
Family
ID=38979320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620126885 Expired - Fee Related CN200978944Y (en) | 2006-10-25 | 2006-10-25 | Integral type pulley assembly for automobile AC generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200978944Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936348A (en) * | 2010-09-07 | 2011-01-05 | 江苏南方轴承股份有限公司 | Belt pulley of over-travel alternating current generator decoupler |
| CN102182770A (en) * | 2011-05-05 | 2011-09-14 | 浙江赖仕雷恩游艇有限公司 | Shaft connecting device for connecting motor and dynamometer |
| CN103234025A (en) * | 2013-05-09 | 2013-08-07 | 无锡市神力齿轮冷挤有限公司 | Positioning one-way belt pulley of automobile engine |
-
2006
- 2006-10-25 CN CN 200620126885 patent/CN200978944Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936348A (en) * | 2010-09-07 | 2011-01-05 | 江苏南方轴承股份有限公司 | Belt pulley of over-travel alternating current generator decoupler |
| CN101936348B (en) * | 2010-09-07 | 2012-07-11 | 江苏南方轴承股份有限公司 | Belt pulley of over-travel alternating current generator decoupler |
| CN102182770A (en) * | 2011-05-05 | 2011-09-14 | 浙江赖仕雷恩游艇有限公司 | Shaft connecting device for connecting motor and dynamometer |
| CN102182770B (en) * | 2011-05-05 | 2012-10-10 | 浙江赖仕雷恩游艇有限公司 | Shaft connecting device for connecting motor and dynamometer |
| CN103234025A (en) * | 2013-05-09 | 2013-08-07 | 无锡市神力齿轮冷挤有限公司 | Positioning one-way belt pulley of automobile engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUJIN NANFANG BEARING CO., LTD., CHANGZHOU Free format text: FORMER OWNER: SHI JIANWEI Effective date: 20080201 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080201 Address after: Spark North Road, hi tech Development Zone, Wujin District, Jiangsu, Changzhou Province, China: 213161 Patentee after: Changzhou Wujin Nanfang Bearing Co., Ltd. Address before: No. 1, Spark Road, hi tech Development Zone, Wujin District, Jiangsu, Changzhou: 213161 Patentee before: Shi Jianwei |
|
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU SOUTHERN BEARING CO., LTD. Free format text: FORMER NAME OR ADDRESS: WUJIN NANFANG BEARING CO., LTD., CHANGZHOU |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Spark North Road, hi tech Development Zone, Wujin District, Jiangsu, Changzhou Province, China: 213161 Patentee after: Jiangsu Nanfang Bearing Co., Ltd. Address before: Spark North Road, hi tech Development Zone, Wujin District, Jiangsu, Changzhou Province, China: 213161 Patentee before: Changzhou Wujin Nanfang Bearing Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071121 Termination date: 20091125 |