CN204344750U - A kind of fluid torque converter overrunning clutch - Google Patents
A kind of fluid torque converter overrunning clutch Download PDFInfo
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- CN204344750U CN204344750U CN201420826148.6U CN201420826148U CN204344750U CN 204344750 U CN204344750 U CN 204344750U CN 201420826148 U CN201420826148 U CN 201420826148U CN 204344750 U CN204344750 U CN 204344750U
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- roller
- outer ring
- wedge
- shaped impression
- overrunning clutch
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Abstract
The utility model discloses a kind of fluid torque converter overrunning clutch, comprising: inner ring is set on fixed sleeving; Outer ring sleeve is located on inner ring, and inner surface offers multiple wedge-shaped impression, and wedge-shaped impression gradually changes in the circumferentially size of outer ring, and multiple groove and inner ring outer surface form multiple wedge shape space; Group of rollers comprises multiple roller, and multiple roller respectively correspondence is located in multiple wedge shape space; The diameter of roller is greater than the smallest radial width of wedge-shaped impression, is less than the maximum radial width of wedge-shaped impression; Multiple torsion spring respectively correspondence is arranged in multiple wedge shape space, is positioned at one end that wedge shape space is wider, and one end of torsion spring is fixed on outer ring, and the other end props up roller.This overrunning clutch makes the force-bearing situation between spring and roller improve, and avoids roller unbalance stress and causes clamping stagnation, reduces spring action in the pressure of roller, effectively alleviates the wearing and tearing of roller, improve product performance, improve the reliability of product.
Description
Technical field
The utility model relates to hydraudynamic drive technical field, particularly a kind of fluid torque converter overrunning clutch.
Background technique
Overrunning clutch, as the unidirectional force transfer element in converter coupling, can improve the transmission efficiency of torque-converters greatly, uses extensively in hydraulic mechanical.Mainly contain free wheeling sprag clutch at present, because roller-type one way clutch structure is simple, easy to manufacture, using and satisfied is convenient, and work sensitive, noise is low, and reliable operation is used widely in Practical Project.
Critical component pushing top spring in prior art in roller-type one way clutch generally adopts helical spring or turriform spring, but present inventor is in the process realizing invention technological scheme in the embodiment of the present application, find that above-mentioned technology at least exists following technical problem:
Spring be applied on roller to put forth effort area less; ball unbalance stress may be caused; and in groove, cause clamping stagnation; cannot normal return, cause transmission system to lose efficacy, the pressure that spring-compressed is formed directly puts on roller; pressure is larger; roller wear is comparatively large, and even roller cannot reliably wedging, makes overrunning clutch disabler.
Model utility content
The embodiment of the present application is by providing a kind of fluid torque converter overrunning clutch; solve pushing top spring in prior art be applied on roller to put forth effort area less; clamping stagnation is caused in groove; cannot normal return; cause the problem that transmission system lost efficacy; achieve the improvement of the force-bearing situation between spring and roller; avoid roller unbalance stress and the clamping stagnation caused; reduce spring action in the pressure of roller; effectively alleviate the wearing and tearing of roller; improve product performance, improve the reliability of product.
The embodiment of the present application provides a kind of fluid torque converter overrunning clutch, and described overrunning clutch comprises:
Inner ring, is set on fixed sleeving;
Outer ring, is set on described inner ring; Described inner surface offers multiple wedge-shaped impression; Each wedge-shaped impression in described multiple wedge-shaped impression gradually changes in the circumferentially size of described outer ring; Multiple described wedge-shaped impression and described inner ring outer surface form multiple wedge shape space;
Group of rollers, comprises multiple roller; Multiple described roller respectively correspondence is located in multiple described wedge shape space; The diameter of described roller is greater than the smallest radial width of described wedge-shaped impression on the radius of described outer ring, is less than the maximum radial width of described wedge-shaped impression on the radius of described outer ring;
Multiple torsion spring, is separately positioned in multiple described wedge shape space, is positioned at one end that described wedge shape space radial dimension is wider; One end of described torsion spring is fixed on described outer ring, and the other end props up described roller;
Wherein, described outer ring is fixedly connected with guide wheel; When the direction from the wider one end of described wedge-shaped impression toward narrower one end under the effect of described guide wheel at hydraulic oil rotates, drive described outer ring rotating Vortex, described outer ring drives described roller to rotate, make described roller gradually to the end motion that described wedge shape space is narrower, until described roller is squeezed between described inner ring and outer ring, described outer ring stops operating under the squeezing action of described roller, and then realizes the hydraulic moment changeable operating mode of fluid torque converter; When the direction from the narrower one end of described wedge-shaped impression toward wider one end under the effect of described guide wheel at hydraulic oil rotates, drive described outer ring rotating Vortex, described outer ring drives described roller to rotate, make described roller continue to rotate in one end that described wedge shape space is wider, and then realize the coupling operating mode of described fluid torque converter.
As preferably, the shape of described torsion spring turns round shape spring for two, and end is set to ellipse;
Both sides, described outer ring end face offers fixed groove respectively; Described two two torque arm turning round shape spring are separately fixed in two described fixed grooves; Described two end turning round shape spring is close to the outer surface of described roller, to described roller applied thrust.
As preferably, described overrunning clutch comprises: two described outer rings, the two described group of rollers of cover and described inner rings; Two described outer ring sleeves are located on described inner ring; The described group of rollers of two covers is separately positioned in the wedge-shaped impression of two described outer rings;
Described overrunning clutch also comprises: spacer ring; Described spacer ring is set on described inner ring, the position between two described outer rings.
The one or more technological schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
1, owing to have employed torsion spring as goring push spring, torsion spring is arranged on the wider one end of wedge shape space simultaneously, torque arm and the outer ring of torsion spring are fixed, the end of torsion spring is close to the outer surface of roller, to roller applied thrust, effectively improve the stressed mode of action between torsion spring and roller, the terminal end shape of torsion spring coordinates with roller simultaneously, the area of contact between torsion spring and roller can be increased, reduce the pressure that torsion spring puts on roller local location, roller unbalance stress is avoided to occur clamping stagnation, effectively alleviate the wearing and tearing of roller, improve product reliability.
2, owing to have employed, two outer ring sleeves are located on an inner ring, then are arranged on corresponding respectively for two group of rollers in the wedge shape space of two outer rings.Like this, when fluid torque converter is in hydraulic moment changeable operating mode, two group of rollers can provide larger moment of torsion, and then the fluid torque converter overrunning clutch achieving the embodiment of the present application and provide can meet the job requirement of high-power torque converter.
Accompanying drawing explanation
Fig. 1 is the erection drawing of the fluid torque converter overrunning clutch that provides of the embodiment of the present application and guide wheel;
Fig. 2 is the partial schematic diagram of roller position in the fluid torque converter overrunning clutch that provides of the embodiment of the present application;
Fig. 3 is the plan view of torsion spring in the fluid torque converter overrunning clutch that provides of the embodiment of the present application;
Fig. 4 is the plan view of torsion spring in the fluid torque converter overrunning clutch that provides of the embodiment of the present application;
Fig. 5 is the left view of torsion spring in the fluid torque converter overrunning clutch that provides of the embodiment of the present application;
Fig. 6 is the plan view of outer ring in the fluid torque converter overrunning clutch that provides of the embodiment of the present application;
Fig. 7 is the generalized section of outer ring in the fluid torque converter overrunning clutch that provides of the embodiment of the present application.
(wherein, the parts of each label representative are followed successively by: 1 spacer ring, 2 outer rings, 3 inner rings, 4 torsion springs, 5 rollers, 6 guide wheels, 7 linings, 8 bearings, D first torque arm, E second torque arm, C end, M first fixed groove, N second fixed groove)
Embodiment
The embodiment of the present application is by providing a kind of fluid torque converter overrunning clutch, solve goring push spring in prior art be applied on roller to put forth effort area less, ball unbalance stress may be caused, and in groove, cause clamping stagnation, cannot normal return, transmission system is caused to lose efficacy, the pressure that goring push spring compression is formed directly puts on roller, pressure is larger, roller wear is larger, make roller cannot reliably wedging, and make the problem of overrunning clutch disabler, two the torsion spring of shape is turned round as goring push spring by using, achieve the improvement of force-bearing situation between torsion spring and roller, avoid roller unbalance stress and the clamping stagnation caused, reduce the pressure of end effect in roller of torsion spring, effectively alleviate the wearing and tearing of roller, improve product performance, improve the reliability of product.
See accompanying drawing 1, the utility model provides a kind of fluid torque converter overrunning clutch, comprising: inner ring 3, outer ring 2, group of rollers and multiple torsion spring 4.Inner ring 3 is set on fixed sleeving, and inner ring 3 and fixed sleeving are fixed, and cannot rotate.Outer ring 2 is set on inner ring 3, and outer ring 2 can around the axis rotation of inner ring 3.
See accompanying drawing 6 and 7, outer ring 2 internal surface offers multiple wedge-shaped impression, and wedge-shaped impression gradually changes in the circumferentially size of outer ring 2, and multiple wedge-shaped impression and inner ring 3 outer surface form multiple wedge shape space.Group of rollers comprises multiple roller 4, multiple roller 4 respectively correspondence is located in multiple wedge shape space, the diameter of roller 4 is greater than the smallest radial width of wedge-shaped impression on the radius of outer ring 2, be less than the maximum radial width of wedge-shaped impression on the radius of outer ring 2, when such roller 5 is rolled to wedge-shaped impression width less one end, cannot move between the outer wall that roller 5 can be compressed in outer ring 2 inwall and inner ring 3, frictional force between roller 5 and outer ring 2 makes outer ring 2 to rotate, and namely realizes the monodirectional locking of guide wheel 6.As a kind of preferred embodiment, in outer ring 2, the initial wedging angle of wedge shape space is designed to 8 °, and the quantity of wedge shape space controls to be 10, and the circumferential inner wall along outer ring 2 is uniformly distributed.The initial wedging angle of 8 ° can ensure roller 5 reliably wedging, serious sliding friction can not be produced between roller 5 and inner ring 3 and outer ring 2 surface of contact, stationarity is good, can ensure that again in separation process, roller 5 can be separated automatically, and have the ability of transmitting large torque.The quantity of wedge shape space is determined according to the setting size of moment of torsion and the internal diameter of outer ring 2, control is 10, the moment of torsion that the very few fluid torque converter overrunning clutch causing the embodiment of the present application to provide of quantity can provide is smaller, cannot meet high-power torque converter requirement; Quantity too much can exceed the limit quantity slotted in outer ring 2, reduces the intensity of outer ring 2 itself simultaneously, is unfavorable for the stability of structure.
See accompanying drawing 2, multiple torsion spring 4 respectively correspondence is arranged in multiple wedge shape space, is positioned at one end that wedge shape space radial dimension is wider; One end of torsion spring 4 is fixed on outer ring 2, and the other end props up roller 5.Torque arm and the outer ring 2 of torsion spring 4 are fixed, the end C of torsion spring 4 is close to the outer surface of roller 5, to roller 5 applied thrust, effectively improve the stressed mode of action between torsion spring 4 and roller 5, the end C shape of torsion spring 4 coordinates with roller 5 simultaneously, can increase the area of contact between torsion spring 4 and roller 5, reduce the pressure that torsion spring 4 puts on roller 5 local location, avoid roller 5 unbalance stress to occur clamping stagnation, effectively alleviate the wearing and tearing of roller 5, improve product reliability.As a kind of preferred embodiment, the quantity of torsion spring 4 controls to be 10, and correspondence is arranged in 10 wedge shape spaces respectively.
Wherein, see accompanying drawing 1, outer ring 2 and guide wheel 6 are connected, and guide wheel 6 rotates and drives outer ring 2 around axis rotation.From the direction of diagram 6, wedge-shaped impression gradually changes in the radial width of the circumferencial direction of outer ring; When the direction from the wider one end of wedge-shaped impression toward narrower one end under the effect of guide wheel 6 at hydraulic oil rotates, drive outer ring 2 rotating Vortex, outer ring 2 drives roller 5 to rotate, make roller 5 gradually to the end motion that wedge shape space is narrower, until roller 5 is squeezed between inner ring 3 and outer ring 2, outer ring 2 stops operating under the squeezing action of roller 5, and then realizes the hydraulic moment changeable operating mode of fluid torque converter; When the direction from the narrower one end of wedge-shaped impression toward wider one end under the effect of guide wheel 6 at hydraulic oil rotates, drive outer ring 2 rotating Vortex, outer ring 2 drives roller 5 to rotate, and makes roller 5 continue to rotate in one end that wedge shape space is wider, and then realizes the coupling operating mode of fluid torque converter.
See accompanying drawing 3 ~ 5, as preferably, the shape of torsion spring 4 turns round shape spring for two, and end C is set to ellipse; Both sides, outer ring 2 end face offers the first fixed groove M and the second fixed groove N respectively, and the first fixed groove M and the second fixed groove N is positioned at outer ring 2 end face of the wider one end of wedge shape space.Two two torque arm turning round shape spring are separately fixed in two fixed grooves, and end C props up roller 5.Two torque arm are respectively the first torque arm D and the second torque arm E, and as a kind of preferred embodiment, the angular range of the first torque arm D and the second torque arm E is 55 ° ~ 65 °.Two end C turning round shape spring are close to the outer surface of roller 5, and to roller 5 applied thrust, end C adopts ellipsoidal structure design, can increase the area of contact between torsion spring 4 and roller 5, avoid roller 5 unbalance stress to occur clamping stagnation; Reduce the pressure that torsion spring 4 puts on roller 5 simultaneously, effectively can alleviate the wearing and tearing of roller 5, improve product reliability.
See accompanying drawing 1, as preferably, overrunning clutch comprises: group of rollers and an inner ring 3 are overlapped in two outer rings 2, two; Two outer rings 2 are set on inner ring 3, arrange spacer ring 1 between two outer rings 2, and spacer ring 1 is set on inner ring 3, left and right play in preventing two row's rollers 5 from rotating.The left and right sides, two outer rings 2 arranges a bearing 8 respectively, two bearings 8 are all set on fixed sleeving, on two bearings 8, correspondence arranges two linings 7, the lining 7 of both sides, outer ring 2 can prevent outer ring 2 from axial displacement occurring, can weaken wearing and tearing when outer ring 2 is rotated, bearing 8 pairs of linings 7 of lining 7 both sides carry out spacing simultaneously.Two cover group of rollers are separately positioned in the wedge-shaped impression of two outer rings 2, when fluid torque converter is in hydraulic moment changeable operating mode, two group of rollers can provide larger moment of torsion, and then the fluid torque converter overrunning clutch achieving the embodiment of the present application and provide can meet the job requirement of high-power torque converter.As a kind of preferred embodiment, each outer ring 2 arranges 10 wedge shape spaces, and 10 rollers 5 are placed in 10 wedge shape spaces.
The one or more technological schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
1, owing to have employed torsion spring 4 as goring push spring, torsion spring 4 is arranged on the wider one end of wedge shape space simultaneously, torque arm and the outer ring 2 of torsion spring 4 are fixed, the end C of torsion spring 4 is close to the outer surface of roller 5, to roller 5 applied thrust, effectively improve the stressed mode of action between torsion spring 4 and roller 5, the end C shape of torsion spring 4 coordinates with roller 5 simultaneously, the area of contact between torsion spring 4 and roller 5 can be increased, reduce the pressure that torsion spring 4 puts on roller 5 local location, roller 5 unbalance stress is avoided to occur clamping stagnation, effectively alleviate the wearing and tearing of roller 5, improve product reliability.
2, owing to have employed, two outer rings 2 are set on an inner ring 3, then are arranged on corresponding respectively for two group of rollers in the wedge shape space of two outer rings 2.Like this, when fluid torque converter is in hydraulic moment changeable operating mode, two group of rollers can provide larger moment of torsion, and then the fluid torque converter overrunning clutch achieving the embodiment of the present application and provide can meet the job requirement of high-power torque converter.
It should be noted last that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to example, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (3)
1. a fluid torque converter overrunning clutch, is characterized in that, described overrunning clutch comprises:
Inner ring, is set on fixed sleeving;
Outer ring, is set on described inner ring; Described inner surface offers multiple wedge-shaped impression; Each wedge-shaped impression in described multiple wedge-shaped impression gradually changes in the circumferentially size of described outer ring; Multiple described wedge-shaped impression and described inner ring outer surface form multiple wedge shape space;
Group of rollers, comprises multiple roller; Multiple described roller respectively correspondence is located in multiple described wedge shape space; The diameter of described roller is greater than the smallest radial width of described wedge-shaped impression on the radius of described outer ring, is less than the maximum radial width of described wedge-shaped impression on the radius of described outer ring;
Multiple torsion spring, is separately positioned in multiple described wedge shape space, is positioned at one end that described wedge shape space radial dimension is wider; One end of described torsion spring is fixed on described outer ring, and the other end props up described roller;
Wherein, described outer ring is fixedly connected with guide wheel; When the direction from the wider one end of described wedge-shaped impression toward narrower one end under the effect of described guide wheel at hydraulic oil rotates, drive described outer ring rotating Vortex, described outer ring drives described roller to rotate, make described roller gradually to the end motion that described wedge shape space is narrower, until described roller is squeezed between described inner ring and outer ring, described outer ring stops operating under the squeezing action of described roller, and then realizes the hydraulic moment changeable operating mode of fluid torque converter; When the direction from the narrower one end of described wedge-shaped impression toward wider one end under the effect of described guide wheel at hydraulic oil rotates, drive described outer ring rotating Vortex, described outer ring drives described roller to rotate, make described roller continue to rotate in one end that described wedge shape space is wider, and then realize the coupling operating mode of described fluid torque converter.
2. overrunning clutch as claimed in claim 1, is characterized in that:
The shape of described torsion spring turns round shape spring for two, and end is set to ellipse;
Both sides, described outer ring end face offers fixed groove respectively; Described two two torque arm turning round shape spring are separately fixed in two described fixed grooves; Described two end turning round shape spring is close to the outer surface of described roller, to described roller applied thrust.
3. overrunning clutch as claimed in claim 1, is characterized in that:
Described overrunning clutch comprises: two described outer rings, the two described group of rollers of cover and described inner rings; Two described outer ring sleeves are located on described inner ring; The described group of rollers of two covers is separately positioned in the wedge-shaped impression of two described outer rings;
Described overrunning clutch also comprises: spacer ring; Described spacer ring is set on described inner ring, the position between two described outer rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826148.6U CN204344750U (en) | 2014-12-23 | 2014-12-23 | A kind of fluid torque converter overrunning clutch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826148.6U CN204344750U (en) | 2014-12-23 | 2014-12-23 | A kind of fluid torque converter overrunning clutch |
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| Publication Number | Publication Date |
|---|---|
| CN204344750U true CN204344750U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420826148.6U Active CN204344750U (en) | 2014-12-23 | 2014-12-23 | A kind of fluid torque converter overrunning clutch |
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| CN (1) | CN204344750U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533635A (en) * | 2018-06-07 | 2018-09-14 | 同济大学 | Torsional spring is tensioned freewheel clutch |
| CN108561455A (en) * | 2018-07-23 | 2018-09-21 | 许弟彬 | A kind of torsion spring type freewheel clutch |
| CN109296673A (en) * | 2018-11-21 | 2019-02-01 | 上海申赛机电控制技术有限公司 | Cantilever flat spring reset overrunning clutch |
| CN109667850A (en) * | 2018-12-29 | 2019-04-23 | 潍柴动力股份有限公司 | One-way clutch and fluid torque-converter for fluid torque-converter |
-
2014
- 2014-12-23 CN CN201420826148.6U patent/CN204344750U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533635A (en) * | 2018-06-07 | 2018-09-14 | 同济大学 | Torsional spring is tensioned freewheel clutch |
| CN108561455A (en) * | 2018-07-23 | 2018-09-21 | 许弟彬 | A kind of torsion spring type freewheel clutch |
| CN108561455B (en) * | 2018-07-23 | 2024-03-29 | 重庆耐迪机电有限公司 | Torsional spring type overrunning clutch |
| CN109296673A (en) * | 2018-11-21 | 2019-02-01 | 上海申赛机电控制技术有限公司 | Cantilever flat spring reset overrunning clutch |
| CN109667850A (en) * | 2018-12-29 | 2019-04-23 | 潍柴动力股份有限公司 | One-way clutch and fluid torque-converter for fluid torque-converter |
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