CN104455076A - One-way clutch compact in structure - Google Patents
One-way clutch compact in structure Download PDFInfo
- Publication number
- CN104455076A CN104455076A CN201410500717.2A CN201410500717A CN104455076A CN 104455076 A CN104455076 A CN 104455076A CN 201410500717 A CN201410500717 A CN 201410500717A CN 104455076 A CN104455076 A CN 104455076A
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- CN
- China
- Prior art keywords
- elliposoidal
- roller
- inner ring
- rollers
- outer ring
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Abstract
The invention discloses a one-way clutch compact in structure. The one-way clutch comprises a rolling bearing. The rolling bearing comprises an inner ring (02), an outer ring (01), a cage (46) and rolling bodies (04). The rolling bodies and ellipsoidal rollers (86) inside the cage are distributed in a staggered mode, the ellipsoidal rollers are arranged in an inclined mode, the two ends of the long axis of each ellipsoidal roller make contact with the inner ring and the outer ring respectively, open slots are formed in the positions, making contact with the inner ring, of the ellipsoidal rollers, and springs (89) are arranged inside the open slots and connected with the ellipsoidal rollers. When the ellipsoidal rollers move to the springs, the one-way clutch rotates freely, and when the ellipsoidal rollers move away from the springs, the inner ring and the outer ring are locked to lock the one-way clutch. The one-way clutch compact in structure has the advantages that the one-way rollers are moved into the rolling bearing and connected with the cage and the rolling bodies of the rolling bearing into a whole, in this way, finish machining and surface treatment do not need to be performed on the inner circle of a shell, the number of technological processes is reduced, and the cost is lowered; the material and structural design of original one-way rollers are changed, the structure is compact, and the using cost is lowered.
Description
Technical field
The present invention relates to overrunning clutch, particularly relate to compact type overrunning clutch.
Background technique
The appearance of automatic catch car meets user greatly to car steering fragrance and the requirement of driving simplification, and the core component of automatic catch car is automatic transmission.The automatic gear change function of automatic transmission case is realized by hydraulic control system and the acting in conjunction of epicyclic train transmission system, and in planet gear train system, requisite critical component is overrunning clutch.Overrunning clutch makes connected gear or wheel case one direction rotate, thus realizes self-shifting needs.Existing overrunning clutch comprises housing inner circle (with clutch engagement part), needs fine grinding and surface treatment; Single-direction roll assembly, comprises locking roller, retainer, spring system; Single-direction roll assembly inner ring one; Rolling bearing is a set of, and as shown in Figure 1, the design of its seal ring as shown in Figure 2 for concrete outcome.There is following defect in this structure:
1, the required precision of housing installation inner circle is high, and difficulty of processing is large, and processing cost is high.
2, single-direction roll assembly Component are tiny, and assembling difficulty is large, and cost is high.
3, single-direction roll assembly easily falls apart when gearbox assembles, and assembling mortality is high, and cost is high.
4, single-direction roll assembly easily falls apart in transport handling process, and cost of transportation is high.
5, the general assembly of whole clutch coordinates required precision high, higher to the skill set requirements of assembler.
6, failure rate is high after sale to assemble the gearbox of single-direction roll assembly, and maintenance cost is high.
Summary of the invention
The technical problem to be solved in the present invention is existing overrunning clutch complex structure, component are more, single-direction roll assembly difficulty is transported, difficult installation, failure rate is high, provides a kind of a kind of compact type overrunning clutch single-direction roll assembly and rolling bearing organically combined for this reason.
Technological scheme of the present invention is: compact type overrunning clutch, it comprises rolling bearing, described rolling bearing comprises inner ring, outer ring, retainer and rolling element, in described retainer, rolling element and elliposoidal roller are interspersed, described elliposoidal roller inclination is arranged, its major axis two ends contact inner ring and outer ring respectively, itself and inner ring contacting point are provided with opening slot, the spring be connected with elliposoidal roller is provided with in described opening slot, when elliposoidal roller moves to spring, overrunning clutch freely rotates, when elliposoidal roller moves to the direction away from spring, locked inner ring and outer ring make overrunning clutch locking.
The improvement of such scheme is that described retainer is connected with seal ring, described seal ring comprises circumferential base and rolling element sealed department from circumferential base to inner ring that extend from and elliposoidal roller sealed department, described rolling element sealed department and rolling element are sealed and matched, and described elliposoidal roller sealed department and elliposoidal roller are sealed and matched.
The invention has the beneficial effects as follows and single-direction roll is moved to rolling bearing inside, be connected with the retainer of rolling bearing, rolling element group, make housing inner circle not need to carry out fine finishing and surface treatment like this, shortened process reduces costs; Change the materials and structures design of original single-direction roll, decrease a retainer, reduce accident rate, integrated design avoids two retainers and coordinates a series of failure modes caused.Compact structure, size reduces, and improves performance, reduces user cost; Seal ring is directly fixed on retainer by special structural design, and follow retainer and rotate the circulation that effectively can drive lubricant oil, the product added lubricates, and reduces fretting wear, improves the working life of product.
Accompanying drawing explanation
Fig. 1 is the overrunning clutch schematic diagram of existing automatic catch car;
Fig. 2 is the seal ring schematic diagram in the overrunning clutch of existing automatic catch car;
Fig. 3 is overrunning clutch schematic diagram of the present invention;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is seal ring schematic diagram of the present invention;
Fig. 6 is retainer schematic diagram of the present invention;
In figure, 01, outer ring, 02, inner ring, 04, rolling element, 46, retainer, 16, retainer lid, 68, seal ring, 86, elliposoidal roller, 89, spring.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
As Fig. 3, shown in Fig. 4, the present invention includes rolling bearing, described rolling bearing comprises inner ring 02, outer ring 01, retainer 46 and rolling element 04, in described retainer, rolling element and elliposoidal roller 86 are interspersed, described elliposoidal roller inclination is arranged, its major axis two ends contact inner ring and outer ring respectively, itself and inner ring contacting point are provided with opening slot, the spring 89 be connected with elliposoidal roller is provided with in described opening slot, when elliposoidal roller moves to spring, overrunning clutch freely rotates, when elliposoidal roller moves to the direction away from spring, locked inner ring and outer ring make overrunning clutch locking.Retainer is by retainer lid 16 fixed position.
Owing to adding the elliposoidal roller be obliquely installed in rolling bearing, achieve the function of the one-way clutch reverse locking of rolling bearing, achieve function modoularization, the various assemblings eliminating existing overrunning clutch coordinate requirement.
Original single-direction roll retainer and bearing cage disjunctor are designed, as shown in Figure 6, the once-through of strengthening nylon material die casting, decreases a retainer, reduce accident rate, integrated design avoids two retainers and coordinates a series of failure modes caused.Compact structure, size reduces, and improves performance, reduces user cost.
In the present invention, the true dip direction of elliposoidal roller can design as required, such as counter clockwise direction as shown in Figure 3, Figure 4 tilts, at this moment spring is positioned at the right side of elliposoidal roller, also can be counterclockwise tilt, at this moment spring is positioned at the left side of elliposoidal roller, and rolling element can be spherical or cylindricality.The holddown spring when elliposoidal roller moves counterclockwise, its two ends are thrown off with inner ring and outer ring gradually, when elliposoidal roller moves clockwise its two ends gradually push against with inner ring and outer ring realize locked.
Normal rotation realization is divided into three steps clockwise:
1, when the gear with inner ring consolidation turns clockwise, bearing inner race also turns clockwise,
2, the elliposoidal roller of locking in roller and the present invention is rotated counterclockwise under the drive of inner ring cylindrical, after being rotated counterclockwise, namely the elliposoidal roller in the present invention constantly tilts to cause radial length to shorten between inner ring and outer ring, at bearing outer ring, inner ring, between elliposoidal roller, there is gap all the time.
3, bearing inner race normally rotates clockwise, and the formula that comes in contact between inner ring, outer ring, elliposoidal roller is slided.
Counterclockwise locking realization is divided into three steps:
1, when the gear with inner ring consolidation is rotated counterclockwise, inner ring is also rotated counterclockwise,
2, the elliposoidal roller of locking in roller and the present invention turns clockwise under the drive of inner ring cylindrical, after turning clockwise, namely the elliposoidal roller in the present invention constantly tilts to cause radial length elongated between inner ring and outer ring, elliposoidal roller, at bearing outer ring, clamps between inner ring.
3, bearing inner race tilts to be locked together with outer ring by continuous between inner ring and outer ring, and cannot be rotated counterclockwise, bearing realizes one-way locking function.
Preference of the present invention is on retainer, be connected with seal ring 68, as shown in Figure 5, described seal ring comprises circumferential base and rolling element sealed department from circumferential base to inner ring that extend from and elliposoidal roller sealed department, described rolling element sealed department and rolling element are sealed and matched, and described elliposoidal roller sealed department and elliposoidal roller are sealed and matched.
Seal ring is directly fixed on retainer by special structural design, effectively reduce the size of product, retainer can be followed rotate, reliable and stable sealing is provided to rolling element and elliposoidal roller, effectively can drive the circulation of lubricant oil, the product lubrication added, reduces fretting wear, improves the working life of product.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technological scheme is carried out; or design of the present invention and technological scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (2)
1. compact type overrunning clutch, it comprises rolling bearing, described rolling bearing comprises inner ring (02), outer ring (01), retainer (46) and rolling element (04), it is characterized in that in described retainer, rolling element and elliposoidal roller (86) are interspersed, described elliposoidal roller inclination is arranged, its major axis two ends contact inner ring and outer ring respectively, itself and inner ring contacting point are provided with opening slot, the spring (89) be connected with elliposoidal roller is provided with in described opening slot, when elliposoidal roller moves to spring, overrunning clutch freely rotates, when elliposoidal roller moves to the direction away from spring, locked inner ring and outer ring make overrunning clutch locking.
2. compact type overrunning clutch as claimed in claim 1, it is characterized in that described retainer being connected with seal ring (68), described seal ring comprises circumferential base and rolling element sealed department from circumferential base to inner ring that extend from and elliposoidal roller sealed department, described rolling element sealed department and rolling element are sealed and matched, and described elliposoidal roller sealed department and elliposoidal roller are sealed and matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500717.2A CN104455076A (en) | 2014-09-26 | 2014-09-26 | One-way clutch compact in structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500717.2A CN104455076A (en) | 2014-09-26 | 2014-09-26 | One-way clutch compact in structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104455076A true CN104455076A (en) | 2015-03-25 |
Family
ID=52901635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410500717.2A Pending CN104455076A (en) | 2014-09-26 | 2014-09-26 | One-way clutch compact in structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104455076A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782283A (en) * | 2016-05-10 | 2016-07-20 | 苏州盛亿电机有限公司 | High-stability overrun clutch of electric bicycle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2830770Y (en) * | 2005-08-08 | 2006-10-25 | 杭州耐斯特轴承有限公司 | One-way running bearing |
| CN101666361A (en) * | 2009-09-28 | 2010-03-10 | 胡国贤 | Stress unilateral bearing |
| KR101180824B1 (en) * | 2009-09-14 | 2012-09-07 | (주)유티글로벌 | One-way clutch |
| US20140197002A1 (en) * | 2013-01-14 | 2014-07-17 | Schaeffler Technologies AG & Co. KG | Symmetrical strut for rocker one-way clutch |
-
2014
- 2014-09-26 CN CN201410500717.2A patent/CN104455076A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2830770Y (en) * | 2005-08-08 | 2006-10-25 | 杭州耐斯特轴承有限公司 | One-way running bearing |
| KR101180824B1 (en) * | 2009-09-14 | 2012-09-07 | (주)유티글로벌 | One-way clutch |
| CN101666361A (en) * | 2009-09-28 | 2010-03-10 | 胡国贤 | Stress unilateral bearing |
| US20140197002A1 (en) * | 2013-01-14 | 2014-07-17 | Schaeffler Technologies AG & Co. KG | Symmetrical strut for rocker one-way clutch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782283A (en) * | 2016-05-10 | 2016-07-20 | 苏州盛亿电机有限公司 | High-stability overrun clutch of electric bicycle |
| CN105782283B (en) * | 2016-05-10 | 2019-02-22 | 苏州盛亿电机有限公司 | Electric bicycle high stable type freewheel clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |