CN202188093U - Pulley with bent axle one-way clutch used for accessory system of automobile engine - Google Patents
Pulley with bent axle one-way clutch used for accessory system of automobile engine Download PDFInfo
- Publication number
- CN202188093U CN202188093U CN2011202801487U CN201120280148U CN202188093U CN 202188093 U CN202188093 U CN 202188093U CN 2011202801487 U CN2011202801487 U CN 2011202801487U CN 201120280148 U CN201120280148 U CN 201120280148U CN 202188093 U CN202188093 U CN 202188093U
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- clutch
- wheel hub
- power wheel
- accessory system
- roller
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The utility model relates to a pulley with a bent axle one-way clutch used for an accessory system of an automobile engine. A one-way clutch device of the pulley comprises the device, wherein the device comprises a clutch annular cylinder, rolling columns, elastic pieces, a clutch inner ring and a holding bracket; 18 capacity grooves are axially and uniformly arranged on the wall of an inner cylinder of the clutch annular cylinder; the clutch annular cylinder, the holding bracket and the clutch inner ring are buckled together to form a whole body; the rolling columns and the elastic pieces are arranged in the capacity grooves, one end of each elastic piece is abut against the groove wall of the holding bracket, and the other end of each elastic piece is abut against each rolling column; the rolling columns are positioned on the side walls of radial oblique surfaces of the corresponding capacity grooves; and after the pulley with the bent axle one-way clutch is used, the fluctuation of the rotation speed of a drive hub is obviously improved, the noise of the accessory system is lowered, and the safety of the accessory system is improved.
Description
Technical field
The utility model belongs to the belt pulley in the belt transmission structure, is specifically related to be used for the overrunning clutch belt pulley of automobile engine crankshaft annex.
Background technique
Along with the continuous development of automotive engineering, motor car engine more and more demonstrates the characteristics of miniaturization, lightweight, high efficiency, each equipment in the engine accessory system, like the power consumption of generator, air condition compressor, mechanical supercharger etc. in continuous increase.But, the power of motor output is delivered to accessory device from bent axle still relies on belt and belt pulley to realize.The tradition crank pulley is mainly a transmission with wheel hub 9; This wheel hub 9 has center slotted eye 9b and bent axle transmission beam barrel 10 matches; Install through be threaded (like Fig. 5) or interference fit, on the outer circumferential face of wheel hub 9, have the parallel frictional groove 9a of multiple tracks.When the drivign belt that is formed with parallel teeth 11a on the inner side surface 11 is set on the outer circumferential face of power wheel hub 9, can cater in the frictional groove 9a of power wheel hub 9 with this parallel teeth 11a, produce bigger frictional force, thus transferring power smoothly.Other accessory devices also adopt same belt pulley to carry out transmission of power.In the using process of reality; Owing to exist vibration to make the rotating speed of bent axle have certain fluctuation in the time of motor running itself; Drive train for accessory device and annex; The fluctuation of rotating speed can make belt produce bigger spring, and the variation of speed makes belt pulley have rotating trend in addition, causes the speed fluctuation of accessory device.Here have following shortcoming: 1, belt exists bigger spring can cause the reduction of belt train transmission efficiency, and bigger in addition amplitude may produce the dislocation of belt and fly off, and has influenced the overall security of train transmission; 2, the fluctuation of rotating speed can influence the uniformity of accessory device running, makes the running of equipment produce bigger vibration, worsens its working state, influences working life; 3, simultaneously, the shake of belt, the vibration of accessory device can produce bigger noise, also are remarkable shortcomings of conventional belt wheel construction.It is thus clear that the vibration during engine running has produced very big influence to Security, durability and the applicability of accessory system and equipment, therefore reducing the influence of vibrating accessory belt train and equipment can address this problem significantly.
The model utility content
Vibration when solving engine running is to the influence of Security, durability and the applicability of accessory system and equipment, and the utility model provides a kind of bent axle overrunning clutch belt pulley that is used for engine accessory system.
It is following that concrete structure improves technological scheme:
The bent axle overrunning clutch belt pulley that is used for the motor car engine accessory system comprises power wheel hub 1 and transmission beam barrel 7, and power wheel hub 1 is axially connect discoid, and power wheel hub 1 outer circumferential face is provided with the frictional groove that cooperates with drivign belt; Be provided with overrunning clutch between said power wheel hub 1 and the transmission beam barrel 7, this overrunning clutch comprises clutch ring tube 2, roller 3, elastic component 4, clutch inner ring 5 and keeps support 8; Clutch ring tube 2, maintenance support 8 and clutch inner ring 5 spiral-locks are an integral body; Said clutch ring tube 2 inner tube walls are laid with 18 volume groove 2a vertically; Roller 3 and elastic component 4 are housed in every volume groove 2a; Elastic component 4 one ends are butted on the cell wall that keeps support 8, and the other end withstands roller 3, and the work surface of contact of roller 3 corresponding clutch ring tubes 2 is sidewall 2b; Overrunning clutch is located in the mesopore 1b of power wheel hub 1, is connected with power wheel hub 1 through clutch ring tube 2 interference fit, and its clutch inner ring 5 interference fit are connected with transmission beam barrel 7, and its axial both ends of the surface are respectively equipped with bearing.
Said maintenance support 8 is the disk tubular; Its barrel is laid with 18 roller fitting seats; Roller 3 places in the roller fitting seat that keeps support 8, cooperates to buckle in the volume groove 2a on the clutch ring tube.
The sidewall 2b of volume groove is the inclined-plane on the said clutch ring tube.
The utility model applies to overrunning clutch on the crank pulley of motor car engine accessory system; Its useful technique effect is to reduce to be caused, be delivered to the fluctuation of speed of engine accessory power rating parts through bent axle by engine running in the engine operation process, thereby the noise when reducing the motor operation, improves the working life of accessory system and equipment and reduce the oil consumption of car load.Concrete useful technique effect embodies in the following areas:
1, the running of accessory system and equipment is more steady, has reduced wearing and tearing and vibration that accessory system and equipment bring owing to the fluctuation of speed, thereby has reduced the noise of accessory system and equipment itself and prolonged its working life;
2, the energy loss that causes owing to the fluctuation of speed is absorbed by the elastic component in the belt pulley 4 greatly and returns to driving component, thereby reduces the energy consumption of motor, promotes the fuel economy of motor;
3, simultaneously; Because the fluctuation of speed of bent axle does not pass to accessory system and equipment through the accessory system crank pulley; Therefore the suffered reverse resistance of belt reduces, and makes that beating of belt obtained improving significantly, has reduced the noise of accessory system and its Security is got a promotion.
Description of drawings
Fig. 1 is the utility model STRUCTURE DECOMPOSITION figure.
Fig. 2 is the utility model structure sectional view.
Fig. 3 is the side sectional view of Fig. 2.
Fig. 4 is the action partial enlarged drawing of Fig. 2.
Fig. 5 is the mounting structure exploded view (scyewed joint) of traditional crank pulley.
Fig. 6 is the fluctuation of speed comparison diagram of speed of crankshaft and belt wheel hub.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further detailed description.
Embodiment:
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4; The bent axle overrunning clutch belt pulley that is used for engine accessory system comprises power wheel hub 1 and transmission beam barrel 7; Power wheel hub 1 is axially connect discoid; Power wheel hub 1 outer circumferential face is provided with the frictional groove 1a that cooperates with drivign belt 11, frictional groove 1a can with drivign belt 11 inboard parallel teeth 11a wedging mutually, by frictional force with transmission of power in each equipment of accessory system.
Between power wheel hub 1 and the transmission beam barrel 7 overrunning clutch is installed; This overrunning clutch comprises clutch ring tube 2; Clutch ring tube 2 inner tube walls are laid with 18 volume groove 2a vertically, and roller 3 and elastic component 4 are housed in every volume groove 2a, and elastic component 4 one ends are butted on the cell wall that keeps support 8; The other end withstands roller 3, is inclined-plane 2b with roller 3 corresponding volume groove 2a radial sidewalls.Clutch ring tube 2 places in the mesopore 1b of power wheel hub 1, is connected with power wheel hub 1 through interference fit; Its axial two end faces is separately installed with bearing 6a and bearing 6b, is interference fit between the outer peripheral surface of bearing 6a and bearing 6b and the inwall of power wheel hub 1.Clutch inner ring 5 is interference fitted on the transmission beam barrel 7, the coaxial clutch ring tube 2 that is positioned at, and for movingly.The inner peripheral surface interference fit of the outer peripheral surface of transmission beam barrel 7 and bearing 6a, bearing 6b.Under normal circumstances, there is the gap between the outer circumferential face of clutch inner ring 5 and the inner peripheral surface that keeps support 8 and clutch ring tube 2 and contacts with roller 3.Center slotted eye 7a on the transmission beam barrel 7 matches with the engine crankshaft output revolving shaft.
The working principle of the utility model is following:
When this overrunning clutch belt pulley moves with correct transmission direction; It is transmission beam barrel 7 clockwise direction when running in Fig. 2; The wedge surface locking that this moment, roller 3 was made up of the outer peripheral surface of inclined-plane 2b on the clutch ring tube 2 and clutch inner sleeve 5, thus power is passed to each parts of accessory system via power wheel hub 1 smoothly.
When the rotating speed of engine crankshaft fluctuates decline suddenly, the rotating speed of transmission beam barrel 7 will lower thereupon, because the trend that this moment, power wheel hub 1 moved before under action of inertia, also having; Therefore transmission beam barrel 7 will produce counterrotating with respect to power wheel hub 1; Be that transmission beam barrel 7 will be with respect to power wheel hub 1 rotation counterclockwise among Fig. 2, this moment, elastic component 4 was compressed, and roller 3 and the wedge surface of being made up of the outer peripheral surface of inclined-plane 2b and clutch inner sleeve 5 get loose; Like 3 ' position among Fig. 3; Be in " no power transmission state " between transmission beam barrel 7 and the power wheel hub 1 this moment, and power wheel hub 1 and accessory system will can not receive to compel to slow down, and be rotated further according to inertia; When the rotating speed of engine crankshaft from before the decline state that fluctuates become when ging up for fluctuation; Transmission this moment beam barrel 7 will move with respect to power wheel hub 1 clockwise; Lock thereby will be pushed in the wedge surface once more, drive power wheel hub 1 and accessory system motion thereby return " power transmission state " from the roller 3 that wedge surface gets loose.
In above fluctuation of speed process; Because relatively rotating between transmission beam barrel 7 and the power wheel hub 1, the fluctuation of speed that acts on power wheel hub 1 and the accessory system is absorbed by elastic component 4 to a great extent, so the operation of power wheel hub 1 and accessory system is comparatively steady; Vibrate also less; As shown in Figure 6, after having used the overrunning clutch belt pulley, power wheel hub 1 fluctuation of speed situation has obtained tangible improvement.
Claims (3)
1. the bent axle overrunning clutch belt pulley that is used for the motor car engine accessory system; Comprise power wheel hub (1) and transmission beam barrel (7); Power wheel hub (1) is axially connect discoid, and power wheel hub (1) outer circumferential face is provided with the frictional groove that cooperates with drivign belt; It is characterized in that: be provided with overrunning clutch between said power wheel hub (1) and the transmission beam barrel (7), this overrunning clutch comprises clutch ring tube (2), roller (3), elastic component (4), clutch inner ring (5) and keeps support (8); Clutch ring tube (2), maintenance support (8) and clutch inner ring (5) spiral-lock are an integral body; Said clutch ring tube (2) inner tube wall is laid with 18 volume groove (2a) vertically; Roller (3) and elastic component (4) are housed in every volume groove (2a); Elastic component (4) one ends are butted on the cell wall that keeps support (8); The other end withstands roller (3), and the work surface of contact of the corresponding clutch ring tube of roller (3) (2) is sidewall (2b); Overrunning clutch is located in the mesopore (1b) of power wheel hub (1); Be connected with power wheel hub (1) through clutch ring tube (2) interference fit; Its clutch inner ring (5) interference fit is connected with transmission beam barrel (7), and its axial both ends of the surface are respectively equipped with bearing.
2. the bent axle overrunning clutch belt pulley that is used for the motor car engine accessory system according to claim 1 is characterized in that: said maintenance support (8) is the disk tubular; Its barrel is laid with 18 roller fitting seats; Roller (3) places in the roller fitting seat that keeps support (8), cooperates to buckle in the volume groove (2a) on the clutch ring tube.
3. the bent axle overrunning clutch belt pulley that is used for the motor car engine accessory system according to claim 1 is characterized in that: the sidewall (2b) of volume groove is the inclined-plane on the said clutch ring tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202801487U CN202188093U (en) | 2011-08-04 | 2011-08-04 | Pulley with bent axle one-way clutch used for accessory system of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202801487U CN202188093U (en) | 2011-08-04 | 2011-08-04 | Pulley with bent axle one-way clutch used for accessory system of automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188093U true CN202188093U (en) | 2012-04-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202801487U Expired - Fee Related CN202188093U (en) | 2011-08-04 | 2011-08-04 | Pulley with bent axle one-way clutch used for accessory system of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188093U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968038A (en) * | 2014-04-24 | 2014-08-06 | 宁波腾隆户外用品有限公司 | Belt pulley |
| CN105257805A (en) * | 2014-07-14 | 2016-01-20 | 胜利工业股份有限公司 | Pulley for Alternator |
| CN109764070A (en) * | 2019-03-11 | 2019-05-17 | 江苏南方轴承股份有限公司 | A kind of I. C. engine crankshaft decoupler |
-
2011
- 2011-08-04 CN CN2011202801487U patent/CN202188093U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968038A (en) * | 2014-04-24 | 2014-08-06 | 宁波腾隆户外用品有限公司 | Belt pulley |
| CN103968038B (en) * | 2014-04-24 | 2016-09-14 | 宁波腾隆户外用品有限公司 | Belt pulley |
| CN105257805A (en) * | 2014-07-14 | 2016-01-20 | 胜利工业股份有限公司 | Pulley for Alternator |
| US9709153B2 (en) | 2014-07-14 | 2017-07-18 | Victory Industrial Corporation | Pulley for alternator |
| CN105257805B (en) * | 2014-07-14 | 2018-07-24 | 胜利工业股份有限公司 | Pulley for alternator |
| CN109764070A (en) * | 2019-03-11 | 2019-05-17 | 江苏南方轴承股份有限公司 | A kind of I. C. engine crankshaft decoupler |
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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: HEFEI JIASUN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HEFEI JIASUN PRECISION MACHINERY MANUFACTURING CO., LTD. Effective date: 20120712 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120712 Address after: Tianda high tech Zone 230088 Hefei Road, Anhui province No. 71 Huayi Science Park F building two floor Patentee after: Hefei Jiasun Technology Co., Ltd. Address before: 230088, No. 105, Anhui waterway, 252 hi tech Zone, Anhui, Hefei, Hefei automotive engineering technology research and Development Center Patentee before: Hefei Jiaxun Precision Machinery Manufacturing Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20180804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |