CN201043575Y - Roller-type one-way clutch preventing pressure spring being rolled - Google Patents
Roller-type one-way clutch preventing pressure spring being rolled Download PDFInfo
- Publication number
- CN201043575Y CN201043575Y CNU2007201063944U CN200720106394U CN201043575Y CN 201043575 Y CN201043575 Y CN 201043575Y CN U2007201063944 U CNU2007201063944 U CN U2007201063944U CN 200720106394 U CN200720106394 U CN 200720106394U CN 201043575 Y CN201043575 Y CN 201043575Y
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- China
- Prior art keywords
- roller
- stage clip
- pressing spring
- gear
- hollow shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a roller type unidirectional clutch which can prevent a pressing spring from being crushed. The utility model is respectively composed of a hollow shaft, a gear arc deflection sleeve, rollers and pressing springs, wherein, the hollow shaft is nested in the gear arc deflection sleeve, arc deflection slots are arranged between the outer wall of the hollow shaft and the inner wall of the gear arc deflection sleeve, the rollers and the pressing springs are mounted in the arc deflection slots, and the utility model is characterized in that a pressing spring protection sleeve is arranged between each pressing spring and each roller. Because the T-shaped pressing spring protection sleeve is arranged between each pressing spring and each roller, the spring in the course of motion is not affected by the radial force. Moreover, the end surface of the pressing spring protection sleeve is designed as the shape of an arc, the end surface of the pressing spring protection sleeve and the arc-shaped surface of the roller have the same radian, so, under the functions of the expansion force of the pressing spring, the outer arc-shaped surface of the pressing spring protection sleeve and the arc roundness of the roller, the axis of the pressing spring always points to the axis of the roller, thus effectively restricting the motion of the pressing spring protection sleeve in a vertical direction and therefore realizing the purpose of the design of the utility model.
Description
Technical field
The utility model relates to a kind of overrunning clutch, refers more particularly to a kind of roller-type one way clutch.
Background technique
Roller-type one way clutch is a kind of important component on a kind of starter motor that extensively applies to machinery equipments such as automobile, lathe and aircraft.Roller-type one way clutch commonly used generally is made up of parts such as hollow shaft, the inclined to one side arc sleeve of gear, roller, stage clips, and the inclined to one side arc sleeve of gear is provided with inclined to one side arc fluting, and roller is press-fited in this by stage clip.Generally, with the hollow shaft is driving wheel, because the effect of inertia and stage clip elastic pressure, roller will be by wedging at the narrow place of wedge angle, the inclined to one side arc sleeve of gear is together rotated with the active hollow shaft, at this moment overrunning clutch is in coupled condition, by the inclined to one side arc sleeve of gear rotation torque is passed to miscellaneous part.And when the hollow shaft counterrotating, roller just is rolled into the spacious part of key groove, therefore can not rotate with hollow shaft by the inclined to one side arc sleeve of driven gear.
Because existing this roller-type one way clutch is limit by the structural type of itself, in the working procedure of reality, stage clip directly and roller contact, when the rotating speed of driven member surpasses the rotating speed of driving link, roller is contracting after the stage clip direction, be subjected to the effect of the friction between driven member and the roller, roller has a circular movement opposite with hollow shaft simultaneously, be subjected to the effect of this power, cause stage clip to be drawn in by roller in the gap of inclined to one side arc fluting and be subjected to rolling, make spring the crooked phenomenon of damaging occur, badly damaged each parts cause the inefficacy of roller-type one way clutch.
At above technological deficiency; China's utility model patent 03242076.5 discloses a kind of " slide block protection spring roller type automobile starter overrunning clutch "; it is characterized in that: " be provided with the slide block protector between divider wall and the roller, the compression leg spring is arranged among the slide block protector.Though " this technological scheme solved the compression leg spring in compression process owing to produce that distortion occurs with the hollow shaft phenomenon of swiping, working life of having improved the compression leg spring.Yet; in actual application; this structure exists very big restriction in actual applications; because arc fluting is a narrow space partially; utilize the slide block protector that spring is protected; if guarantee the intensity of slide block protector; then require the sidewall of slide block protector that certain thickness will be arranged; must dwindle the diameter of used spring; this will directly influence the work effect of spring; if the sidewall of slide block protector is thin excessively; because this slide block protector and surface of contact between the roller are the planes and the combining of curved surface, be subjected to the effect of the radial force that roller produces in rolling process, the slide block protector also can cause being out of shape because of strength deficiency; thereby lose the work effect of stage clip, cause overrunning clutch to lose efficacy.
The model utility content
The purpose of this utility model is the above deficiency at prior art, and a kind of roller-type one way clutch that protection can be provided stage clip is provided.
The utility model is realized by following manner:
The roller-type one way clutch that a kind of anti-stage clip is rolled; it is made of hollow shaft, the inclined to one side arc sleeve of gear, roller, stage clip respectively; hollow mandrel is set among the inclined to one side arc sleeve of gear; on the inwall of the inclined to one side arc sleeve of gear, be provided with inclined to one side arc fluting; interior roller and the stage clip installed is characterized in that: be provided with the stage clip protecting jacket between stage clip and the roller.
Described stage clip protecting jacket is T-shaped, and the long foot of its T shape is inserted in the inner chamber of stage clip, and the end face of stage clip protecting jacket contacts with roller.
Surface of contact between described stage clip protecting jacket and the roller is curved.
The stage clip protecting jacket that T shape is set between stage clip and roller; be inserted in the inner chamber of stage clip by the long foot of its T shape; make that stage clip is former directly to contact the mediate contact that becomes by the stage clip protecting jacket with roller, on the one hand, eliminated the radial pull that produces in rolling process by roller on the stage clip.On the other hand; the stage clip protecting jacket inserts the stage clip inner chamber; not only do not change the original intensity of stage clip; terminal number circle steel wire before the stage clip can be placed on the long pin of T shape of stage clip protecting jacket on the contrary; make spring can only be on the outer wall of the long pin of T shape telescopic movable, guaranteed that spring can not produce radially shear in course of action.In addition; the end face of stage clip protecting jacket is designed to arc; and the end face radian of its arc is identical with the radian of roller cambered surface; under the effect of stage clip expansionary force and stage clip protecting jacket appearance cambered surface and roller arc circle; make the axle core of stage clip remain the axle center of pointing to roller; limit the motion of the Vertical direction of stage clip protecting jacket effectively, thereby realized purpose of design of the present utility model effectively.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of ∏ shape stage clip protecting jacket of the present utility model;
Fig. 3 is the structural representation of T shape stage clip protecting jacket of the present utility model;
Embodiment
As shown in the figure: constitute the roller 2 formula overrunning clutchs that a kind of anti-stage clip is rolled by hollow shaft 5, the inclined to one side arc sleeve 1 of gear, roller 2, stage clip 4; its hollow mandrel 5 is set among the inclined to one side arc sleeve 1 of gear; between hollow shaft 5 outer walls and inclined to one side arc sleeve 1 inwall of gear, be provided with inclined to one side arc fluting; roller 2 and stage clip 4 are installed in it, between stage clip 4 and roller 2, stage clip protecting jacket 3 are set.Stage clip protecting jacket 3 is made T shape shown in Fig. 2,3 by working of plastics, and the stage clip protecting jacket 3 and the outer surface of roller 2 contacting points are made the identical cambered surface of radian with the round appearance of roller 2.In installation process; long pin 7 ends of T shape of stage clip protecting jacket 3 are inserted in the inner chamber of stage clip 4; make stage clip 4 directly contact the mediate contact that becomes by stage clip protecting jacket 3 with roller 2; on the one hand; eliminated that stage clip 4 born; the influence of the radial force that in rolling process, produces by roller 2; on the other hand; stage clip protecting jacket 3 inserts stage clip 4 inner chambers; not only do not change stage clip 4 original intensity; terminal number circle steel wire before the stage clip 4 can be placed on the long pin of T shape of stage clip protecting jacket 3 on the contrary; the telescopic movable of spring is limited in run parallel on the outer wall of the long pin 7 of T shape of stage clip protecting jacket 3, has guaranteed that spring is not subjected to the influence of radial force in movement process.The end face of stage clip protecting jacket 3 is designed to arc 6; and the radian of its arc 6 end faces is identical with the radian of roller 2 cambered surfaces; under the effect of stage clip 4 expansionary forces and stage clip protecting jacket 3 appearance cambered surfaces and roller 2 arcs circle; make the axle core of stage clip 4 remain the axle center of pointing to roller 2; limit the motion of the Vertical direction of stage clip protecting jacket 3 effectively, limited the motion of the Vertical direction of stage clip protecting jacket 3 effectively.
When the inclined to one side arc sleeve 1 of gear is a driving link; during the clockwise direction rotary work; be arranged on the elastic pressure that the stage clip 4 between divider wall and the roller 2 produces; produce working thrust by 3 pairs of rollers of stage clip 4 protecting jackets 2; push roller 2 to wedge angle working surface wedging friction points; the roller 2 of this moment is subjected to the friction of inclined to one side arc sleeve 1 of gear and hollow shaft 5 and the inertial force that the inclined to one side arc sleeve 1 of gear rotates suddenly; roller 2 is to the reverse stressed rolling of the direction of arrow; wedge angle working surface wedging point squeezes and goes between inclined to one side arc sleeve 1 of gear and hollow shaft 5; and crowded more tight more, make inclined to one side arc sleeve 1 of gear and hollow shaft 5 form the one rotary work at last.
When hollow shaft 5 obtains identical with inclined to one side arc sleeve 1 sense of rotation of gear from another transmission system; but rotating speed is big and when surmounting the rotating speed of the inclined to one side arc sleeve 1 of gear; roller 2 is subjected to hollow shaft 5 to surmount the drive of rotating speed power; be rolled to the wedge angle the widest position between inclined to one side arc sleeve 1 of gear and the hollow shaft 5; at this moment the inclined to one side arc sleeve 1 of gear and hollow shaft 5 each rotary speed movement with oneself; the drive that roller 2 is subjected to hollow shaft 5 to surmount rotating speed power causes rolling impact power to stage clip protecting jacket 3, causes stage clip 4 to shrink.And when inclined to one side arc sleeve 1 counterrotating of driving gear, roller 2 just is rolled into the spacious part of wedge angle, therefore can not drive hollow shaft 5 with inclined to one side arc sleeve 1 rotation of gear, has realized the working procedure of overrunning clutch thus.
Claims (3)
1. roller-type one way clutch that anti-stage clip is rolled; it is made of hollow shaft, the inclined to one side arc sleeve of gear, roller, stage clip respectively; hollow shaft is loaded among the inclined to one side arc sleeve of gear; on the inclined to one side arc sleeve lining of gear, be provided with inclined to one side arc fluting; roller and stage clip are installed in it, are it is characterized in that: be provided with the stage clip protecting jacket between stage clip and the roller.
2. the roller-type one way clutch that anti-stage clip as claimed in claim 1 is rolled, its feature are that also described stage clip protecting jacket is T-shaped, and the long foot of its T shape is inserted in the inner chamber of stage clip, and the end face and the roller of stage clip protecting jacket are close to.
3. the roller-type one way clutch that anti-stage clip as claimed in claim 1 or 2 is rolled is characterized in that the surface of contact between described stage clip protecting jacket and the roller is curved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201063944U CN201043575Y (en) | 2007-02-07 | 2007-02-07 | Roller-type one-way clutch preventing pressure spring being rolled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201063944U CN201043575Y (en) | 2007-02-07 | 2007-02-07 | Roller-type one-way clutch preventing pressure spring being rolled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201043575Y true CN201043575Y (en) | 2008-04-02 |
Family
ID=39258469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201063944U Expired - Lifetime CN201043575Y (en) | 2007-02-07 | 2007-02-07 | Roller-type one-way clutch preventing pressure spring being rolled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201043575Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537281A (en) * | 2010-12-24 | 2012-07-04 | 杨苏淑宽 | Sopping part of siding blocks for variable-speed structure |
| CN102628482A (en) * | 2012-04-19 | 2012-08-08 | 无锡江南奕帆电力传动科技股份有限公司 | One-way overrunning clutch |
| JP2017145877A (en) * | 2016-02-17 | 2017-08-24 | 株式会社エクセディ | One-way clutch |
| CN107630949A (en) * | 2017-11-01 | 2018-01-26 | 重庆市力波机械制造有限公司 | Six post roller-type overrunning clutches |
| JP2023001010A (en) * | 2021-06-17 | 2023-01-04 | 和碩聯合科技股▲ふん▼有限公司 | Drive device |
-
2007
- 2007-02-07 CN CNU2007201063944U patent/CN201043575Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537281A (en) * | 2010-12-24 | 2012-07-04 | 杨苏淑宽 | Sopping part of siding blocks for variable-speed structure |
| CN102628482A (en) * | 2012-04-19 | 2012-08-08 | 无锡江南奕帆电力传动科技股份有限公司 | One-way overrunning clutch |
| JP2017145877A (en) * | 2016-02-17 | 2017-08-24 | 株式会社エクセディ | One-way clutch |
| CN107630949A (en) * | 2017-11-01 | 2018-01-26 | 重庆市力波机械制造有限公司 | Six post roller-type overrunning clutches |
| JP2023001010A (en) * | 2021-06-17 | 2023-01-04 | 和碩聯合科技股▲ふん▼有限公司 | Drive device |
| JP7353408B2 (en) | 2021-06-17 | 2023-09-29 | 和碩聯合科技股▲ふん▼有限公司 | drive device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: LISHUI XINYI STARTER DRIVER CO., LTD. Assignor: Chen Meng Contract record no.: 2010330001492 Denomination of utility model: Roller-type one-way clutch preventing pressure spring being rolled Granted publication date: 20080402 License type: Exclusive License Record date: 20100729 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080402 |