CN204387157U - With the overrunning clutch of planetary gear speed reducing mechanism - Google Patents
With the overrunning clutch of planetary gear speed reducing mechanism Download PDFInfo
- Publication number
- CN204387157U CN204387157U CN201520013943.8U CN201520013943U CN204387157U CN 204387157 U CN204387157 U CN 204387157U CN 201520013943 U CN201520013943 U CN 201520013943U CN 204387157 U CN204387157 U CN 204387157U
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- China
- Prior art keywords
- sleeve
- endoporus
- cylindrical
- curved discs
- spline
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Abstract
The utility model provides a kind of overrunning clutch with planetary gear speed reducing mechanism, comprising: planet curved discs assembly, roller, back-up ring, seal ring, cover cap, sleeve, output shaft, spring, axle bush and rolling bearing; Planet curved discs assembly comprises curved discs and is arranged on curved discs left surface several planet pins circumferentially; The cylindrical right-hand member socket cover cap endoporus of curved discs; The endoporus of curved discs has two steps at least, the curved discs endoporus first step in left side and the curved discs endoporus second step on right side, edge axle bush in curved discs endoporus first step, and axle bush inner hole sleeve connects excircle of sleeve first step; Curved discs endoporus second step be processed with the eccentric arc slideway of several connection and spring housing and in eccentric arc slideway and spring housing, roller and spring be housed respectively; Sleeve has excircle of sleeve first step, excircle of sleeve second step, excircle of sleeve the 3rd step and excircle of sleeve the 4th step.This overrunning clutch compact structure, life-span are long.
Description
Technical field
The utility model relates to the overrunning clutch that a kind of automobile starter unidirectional delivery power reverse is skidded, specifically a kind of overrunning clutch with planetary gear speed reducing mechanism.
Background technique
Through the development of many decades, China's automobile industry has had larger development, high power engine demand is increasing, and in the starting process of the starter motor of high power engine, need the powerful actuating motor matched, in order to realize the object increasing starting power, usually increase motor output torque with planetary gear speed reducing mechanism to achieve the goal, original overrunning clutch structure as illustrated in figs. ia and ib, (Fig. 1 a) is separated with overrunning clutch (Fig. 1 b) for planetary mechanism and planet axis, motor power increases moment of torsion through planetary mechanism and is delivered to planet axis, planet axis is delivered to overrunning clutch by spline 20, overrunning clutch actuation gear engages with engine ring gear, power is added to engine ring gear to realize starting.Planetary mechanism and planet axis are separated with overrunning clutch, complex structure, volume is large, cost is high, and there is gap in overrunning clutch output shaft endoporus axle bush j and planet axis axle head h, long-time use back bushing serious wear, one-way element clutch axis deviation planet axis axle center, can not slide when proceed-to-send overrunning clutch retreats, ring gear drives the heating of overrunning clutch High Rotation Speed, grease is dry buys inefficacy.Be difficult to reach life requirements.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, the overrunning clutch of the band planetary gear speed reducing mechanism providing a kind of compact structure, low cost of manufacture, life-span long, and the technical solution adopted in the utility model is:
With an overrunning clutch for planetary gear speed reducing mechanism, comprising: planet curved discs assembly, roller, back-up ring, seal ring, cover cap, sleeve, output shaft, spring, axle bush and rolling bearing;
Described planet curved discs assembly comprises curved discs and is arranged on curved discs left surface circumferentially several for being socketed planetary planet pin;
The cylindrical right-hand member socket cover cap endoporus of curved discs; The endoporus of curved discs has two steps at least, the curved discs endoporus first step in left side and the curved discs endoporus second step on right side, edge axle bush in curved discs endoporus first step, and axle bush inner hole sleeve connects excircle of sleeve first step; Curved discs endoporus second step be processed with the eccentric arc slideway of several connection and spring housing and in eccentric arc slideway and spring housing, roller and spring be housed respectively;
The two sides crest line of roller becomes linear contact lay with the eccentric arc slideway of curved discs endoporus second step and excircle of sleeve second step respectively;
Back-up ring cylindrical and cover cap endoporus offset, and endoporus and excircle of sleeve the 3rd step offset, and left surface and curved discs right flank and excircle of sleeve second step and excircle of sleeve the 3rd step connecting end surface offset, and right flank and seal ring left surface offset;
Seal ring with outer and cover cap endoporus offset, and endoporus and excircle of sleeve the 3rd step offset, and left surface and back-up ring right flank offset, and right flank and cover cap bottom plane offset;
Cover cap hitch is connected to the cylindrical right-hand member of curved discs, is enclosed in cover cap by back-up ring and seal ring;
Sleeve has four cylindrical steps, is excircle of sleeve first step, excircle of sleeve second step, excircle of sleeve the 3rd step and excircle of sleeve the 4th step from left to right respectively; Excircle of sleeve first step is socketed in curved discs endoporus first step axle bush endoporus, excircle of sleeve second step becomes linear contact lay for unidirectional delivery power with roller, excircle of sleeve first step and excircle of sleeve second step connecting end surface and curved discs endoporus first step and curved discs endoporus second step connecting end surface offset, excircle of sleeve the 4th step socket rolling bearing; The left step of hub internal bore is cylindrical hole, and the right step of hub internal bore is the m tooth spline matched with output shaft first step, m≤2;
First step on the left of output shaft is processed into spline, first step spline intermediate section has groove, the groove right side is 2m tooth spline, and the groove left side is m tooth spline, through before and after the odd number spline in the spline on the groove left side and the 2m tooth spline on the groove right side.
Further, the cylindrical right-hand member of curved discs has several curve baths, and after the extruding of cover cap cylindrical, endoporus riveting is buckled in curved discs cylindrical right-hand member and curve bath.
Further, the spline of the right step of hub internal bore is the oblique spline of involute, and correspondingly, the output shaft first step groove left side is the oblique spline of involute, and the right side is the oblique spline of involute.
Further, output shaft second step is smooth, cylindrical peripheral surface, and the end cylindrical that keeps left is socketed with the joining mobile lining with engine shift fork, and right-hand member is socketed on starter motor axle bush endoporus.
Further, output shaft the 3rd step Excircle machining has the straight spline of involute profile, cylindrical socket actuation gear.
The utility model has the advantage of: planetary mechanism and planet axis and overrunning clutch two assemblies are combined, compact structure, eliminate the structure of overrunning clutch output shaft endoporus axle bush and planet axis axle head Relative sliding, eliminate because back skating after overrunning clutch does not go out to cause High Rotation Speed to generate heat, grease is dry to be bought, the phenomenon of service life reduction; And sleeve two ends are provided with support, during engagement, sleeve is not eccentric, and roller is also not easily toppled over and the stuck one-way element clutch that makes lost efficacy, and substantially increases the life-span of one-way element.
Accompanying drawing explanation
Fig. 1 a is existing planetary mechanism and planet axis schematic diagram.
Fig. 1 b is existing overrunning clutch schematic diagram.
Fig. 2 is structural representation schematic diagram of the present utility model.
Fig. 3 is C-C sectional view of Fig. 2.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figures 2 and 3, the overrunning clutch of the band planetary gear speed reducing mechanism that the utility model proposes, primarily of compositions such as planet curved discs assembly 1, roller 2, back-up ring 3, seal ring 4, cover cap 5, sleeve 6, output shaft 7, spring 8, axle bush 9, rolling bearings 10.
Described planet curved discs assembly 1 comprises curved discs 101 and is arranged on curved discs 101 left surface circumferentially several for being socketed planetary planet pin 102; Curved discs 101 is disc parts, and the cylindrical right-hand member of curved discs 101 has 3 ~ 4 curve baths (R groove) and is socketed on cover cap 5 endoporus; The endoporus of curved discs 101 as shown in Figure 2, have 4 steps, wherein the curved discs endoporus first step 1011 in left side and the curved discs endoporus second step 1012 on right side have the effect of outbalance, and two steps on the left of curved discs endoporus first step 1011 just play the effect avoiding other parts peripheral on the left of clutch.Edge copper-iron alloy axle bush 9 in curved discs endoporus first step 1011, axle bush 9 inner hole sleeve female connector cylinder 6 cylindrical first step 601; Curved discs endoporus second step 1012 be processed with 5 ~ 6 eccentric arc slideways and L-type spring housing be communicated with and in eccentric arc slideway and L-type spring housing, roller 2 and spring 8 be housed respectively, roller 2 is arranged in eccentric arc slideway, makes, between curved discs 101 and sleeve 6, unidirectional relatively rotating to occur.Curved discs 101 right flank and back-up ring 3 offset, and left surface circumferentially has 3 or 4 planet pin mounting holes, and in planet pin mounting hole, installation 3 or 4 planet pins 102 are for being socketed planetary pinion.
Roller 2 is cylindrical component, and two sides crest line is used for transmitting torque with the eccentric arc slideway of curved discs endoporus second step 1012 and sleeve 6 cylindrical second step 602 one-tenth linear contact lay respectively.
Back-up ring 3 is ring-shape accessory, cylindrical and cover cap 5 endoporus offset, endoporus and sleeve 6 cylindrical the 3rd step 603 offset, and left surface and curved discs 101 right flank and sleeve 6 cylindrical second step 602 offset with sleeve 6 cylindrical the 3rd step 603 connecting end surface, and right flank and seal ring 4 left surface offset.
Seal ring 4 is ring-shape accessory, and cylindrical and cover cap 5 endoporus offset, and endoporus and sleeve 6 cylindrical the 3rd step 603 offset, and left surface and back-up ring 3 right flank offset, and right flank and cover cap 5 bottom plane offset.Seal ring 4 can adopt rubber ring.
Cover cap 5 is barrel-shaped part, and after cylindrical extruding, endoporus riveting is buckled in curved discs 101 cylindrical right-hand member and curve bath, and endoporus offsets with back-up ring 3 cylindrical, seal ring 4 cylindrical respectively, and bottom plane and seal ring 4 right flank offset.
Sleeve 6 is cover parts, there are four cylindrical steps, be sleeve 6 cylindrical first step 601 from left to right respectively, sleeve 6 cylindrical second step 602, sleeve 6 cylindrical the 3rd step 603 and sleeve 6 cylindrical the 4th step 604, four step cylindricals are smooth, cylindrical peripheral surface.Sleeve 6 cylindrical first step 601 is socketed in curved discs endoporus first step 1011 axle bush 9 endoporus, sleeve 6 cylindrical second step 602 is used for unidirectional delivery power with roller 2 one-tenth linear contact lay, sleeve 6 cylindrical first step 601 offsets with curved discs endoporus second step 1012 connecting end surface with sleeve 6 cylindrical second step 602 connecting end surface and curved discs endoporus first step 1011, sleeve 6 cylindrical second step 602 offsets with sleeve 6 cylindrical the 3rd step 603 connecting end surface and back-up ring 3 left surface, and sleeve 6 cylindrical the 4th step 604 is socketed rolling bearing 10.Sleeve 6 has 2 endoporus steps, the left step of sleeve 6 endoporus is smooth cylindrical hole, the right step of sleeve 6 endoporus is the oblique spline of 5 tooth involute matched with output shaft 7 first step, and in other embodiments, the oblique spline of the right step of sleeve 6 endoporus also can be 3 teeth, 4 teeth, 6 teeth ... 40 teeth etc.;
Output shaft 7 is longaxones parts, and in Fig. 2, output shaft 7 has three steps from left to right successively, output shaft 7 first step, output shaft 7 second step and output shaft 7 the 3rd step; Output shaft 7 first step is processed into the oblique spline of involute, and the oblique spline intermediate section of involute has groove 701, and groove 701 is preferably dovetail groove; Groove 701 right side is the oblique spline of 10 tooth involute (number of teeth is 2 times of the oblique spline tooth number of the right step of sleeve 6 endoporus), groove 701 left side is that 5 tooth involute oblique spline 702(groove number equals the oblique spline tooth number of the right step of sleeve 6 endoporus), through before and after the oblique spline of involute 702 on groove 701 left side and odd number (or even number) spline in the oblique spline of 10 tooth involute on groove 701 right side, as through before and after the groove d in Fig. 2 and groove b.Output shaft 7 second step is smooth, cylindrical peripheral surface, and the end cylindrical that keeps left is socketed with the joining mobile lining e with engine shift fork, and right-hand member is socketed on starter motor axle bush f endoporus; Output shaft 7 the 3rd step Excircle machining has the straight spline of involute profile, cylindrical socket actuation gear g.
During assembling, the spline of the right step of sleeve 6 endoporus first keyway db through before and after output shaft 7 enters, all went here and there to turn over after output shaft 7 spline a key again rollback some, spline enters groove a, and groove a is just meshed with sleeve 6 internal spline; Note now also unassembled curved discs 101, output shaft 7 can stretch in sleeve 6, turns over a key when the spline of output shaft 7 is relative with sleeve 6 endoporus left step smooth cylindrical hole.After the spline of the right step of sleeve 6 endoporus enters a groove, such output shaft 7 move forward (to the right) time sleeve 6 internal spline left side and offset can axially locating at output shaft 7 first step spline intermediate groove 701 end face c place.
The utility model changes original structure, original planetary mechanism and overrunning clutch two assemblies is combined, compact structure.Its working principle: motor power is delivered to roller 3, sleeve 6 and output shaft 7 by planet curved discs assembly 1 increase of slowing down, drive actuation gear to rotate, motor is started.And eliminate the structure of overrunning clutch output shaft endoporus axle bush j and planet axis axle head h Relative sliding, therefore can eliminate because back skating after overrunning clutch does not go out to cause High Rotation Speed to generate heat, grease is dry to be bought, the phenomenon of service life reduction.And sleeve 6 two ends are provided with support, and (namely curved discs endoporus first step 1011 is together with the axle bush 9 of interior edge, and rolling bearing 10), during engagement, sleeve is not eccentric, and roller is also not easily toppled over and the stuck one-way element clutch that makes lost efficacy, and improves the life-span of overrunning clutch.
Claims (5)
1. the overrunning clutch with planetary gear speed reducing mechanism, it is characterized in that, comprising: planet curved discs assembly (1), roller (2), back-up ring (3), seal ring (4), cover cap (5), sleeve (6), output shaft (7), spring (8), axle bush (9) and rolling bearing (10);
Described planet curved discs assembly (1) comprises curved discs (101) and is arranged on curved discs (101) left surface circumferentially several for being socketed planetary planet pin (102);
Cylindrical right-hand member socket cover cap (5) endoporus of curved discs (101); The endoporus of curved discs (101) has two steps at least, the curved discs endoporus first step (1011) in left side and the curved discs endoporus second step (1012) on right side, edge axle bush (9) in curved discs endoporus first step (1011), axle bush (9) inner hole sleeve female connector cylinder (6) cylindrical first step (601); Curved discs endoporus second step (1012) is processed with the eccentric arc slideway of several connection and spring housing and roller (2) and spring (8) are housed respectively in eccentric arc slideway and spring housing;
The two sides crest line of roller (2) becomes linear contact lay with the eccentric arc slideway of curved discs endoporus second step (1012) and sleeve (6) cylindrical second step (602) respectively;
Back-up ring (3) cylindrical and cover cap (5) endoporus offset, endoporus and sleeve (6) cylindrical the 3rd step (603) offset, left surface and curved discs (101) right flank and sleeve (6) cylindrical second step (602) offset with sleeve (6) cylindrical the 3rd step (603) connecting end surface, and right flank and seal ring (4) left surface offset;
Seal ring (4) cylindrical and cover cap (5) endoporus offset, endoporus and sleeve (6) cylindrical the 3rd step (603) offset, left surface and back-up ring (3) right flank offset, and right flank and cover cap (5) bottom plane offset;
Cover cap (5) hitch is connected to the cylindrical right-hand member of curved discs (101), is enclosed in cover cap (5) by back-up ring (3) and seal ring (4);
Sleeve (6) has four cylindrical steps, is sleeve (6) cylindrical first step (601), sleeve (6) cylindrical second step (602), sleeve (6) cylindrical the 3rd step (603) and sleeve (6) cylindrical the 4th step (604) from left to right respectively, sleeve (6) cylindrical first step (601) is socketed in curved discs endoporus first step (1011) axle bush (9) endoporus, sleeve (6) cylindrical second step (602) becomes linear contact lay to be used for unidirectional delivery power with roller (2), sleeve (6) cylindrical first step (601) offsets with curved discs endoporus second step (1012) connecting end surface with sleeve (6) cylindrical second step (602) connecting end surface and curved discs endoporus first step (1011), sleeve (6) cylindrical the 4th step (604) socket rolling bearing (10), the left step of sleeve (6) endoporus is cylindrical hole, and the right step of sleeve (6) endoporus is the m tooth spline matched with output shaft (7) first step, m≤2,
The first step in output shaft (7) left side is processed into spline, first step spline intermediate section has groove (701), groove (701) right side is 2m tooth spline, groove (701) left side is m tooth spline (702), through before and after the odd number spline in the spline (702) on groove (701) left side and the 2m tooth spline on groove (701) right side.
2. the overrunning clutch of band planetary gear speed reducing mechanism as claimed in claim 1, is characterized in that:
The cylindrical right-hand member of curved discs (101) has several curve baths, and after the extruding of cover cap (5) cylindrical, endoporus riveting is buckled in curved discs (101) cylindrical right-hand member and curve bath.
3. the overrunning clutch of band planetary gear speed reducing mechanism as claimed in claim 1, is characterized in that:
The spline of the right step of sleeve (6) endoporus is the oblique spline of involute, and correspondingly, output shaft (7) first step groove (701) left side is the oblique spline of involute, and the right side is the oblique spline of involute.
4. the overrunning clutch of band planetary gear speed reducing mechanism as claimed in claim 1, is characterized in that:
Output shaft (7) second step is smooth, cylindrical peripheral surface, and the end cylindrical that keeps left is socketed with the joining mobile lining (e) with engine shift fork, and right-hand member is socketed on starter motor axle bush (f) endoporus.
5. the overrunning clutch of band planetary gear speed reducing mechanism as claimed in claim 1, is characterized in that:
Output shaft (7) the 3rd step Excircle machining has the straight spline of involute profile, cylindrical socket actuation gear (g).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520013943.8U CN204387157U (en) | 2015-01-08 | 2015-01-08 | With the overrunning clutch of planetary gear speed reducing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520013943.8U CN204387157U (en) | 2015-01-08 | 2015-01-08 | With the overrunning clutch of planetary gear speed reducing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204387157U true CN204387157U (en) | 2015-06-10 |
Family
ID=53359879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520013943.8U Expired - Fee Related CN204387157U (en) | 2015-01-08 | 2015-01-08 | With the overrunning clutch of planetary gear speed reducing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204387157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565123A (en) * | 2015-01-08 | 2015-04-29 | 无锡市神力齿轮冷挤有限公司 | One-way clutch with planetary speed reduction mechanism |
-
2015
- 2015-01-08 CN CN201520013943.8U patent/CN204387157U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565123A (en) * | 2015-01-08 | 2015-04-29 | 无锡市神力齿轮冷挤有限公司 | One-way clutch with planetary speed reduction mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20190108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |