CN104948607B - The friction type one-way clutch - Google Patents
The friction type one-way clutch Download PDFInfo
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- CN104948607B CN104948607B CN201510368315.6A CN201510368315A CN104948607B CN 104948607 B CN104948607 B CN 104948607B CN 201510368315 A CN201510368315 A CN 201510368315A CN 104948607 B CN104948607 B CN 104948607B
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- spline
- endoporus
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- basin
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Abstract
The present invention provides a kind of the friction type one-way clutch, including elastic basin-shaped washer, adjustment packing ring, active wearing piece, driven friction disk, pre-tightening sleeve, pad, back-up ring, elastic spring, outer ring and central hub;Elastic basin-shaped washer endoporus is socketed on the left step step side face outer round surface of central hub, and elastic basin-shaped washer endoporus left comer offsets with the left step step end face of central hub and step week interfacial angle, and the elastic cylindrical right corner of basin-shaped washer offsets with adjustment packing ring left side;It is cylindrical that adjustment packing ring inner hole sleeve is connected to the straight spline of pre-tightening sleeve, and left side offsets with the cylindrical upper right corner of elasticity basin-shaped washer, and right side offsets with a piece of active friction plate left side;Active friction plate is radially fixed with the endoporus of outer ring, is in axial sliding connection;Central hub Excircle machining has the oblique spline of involute, and the oblique spline left end of involute is provided with a left step, and the cylindrical left and right two ends of oblique spline of central hub are socketed elastic basin-shaped washer and back-up ring respectively.Present invention engagement is reliable and stable, and moment of torsion is adjustable for different vehicles.
Description
Technical field
The present invention relates to a kind of one-way clutch, especially a kind of the friction type one-way clutch.
Background technology
At present, the one-way clutch produced in enormous quantities both at home and abroad is all roller, and its principle is provided with sleeve
Curved surface chute, by roller wedging, is delivered to the power on power transmission shaft on drive gear by sleeve and roller, and technique is multiple
It is miscellaneous, high cost, and easily failure mode.As a kind of constant energy of profile of the development need of auto industry can for different vehicles
Regulation torque, and simple structure, it is easy to use, engage reliable and stable one-way clutch.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided simple structure, low cost, engagement are reliable
And can be directed to different vehicle adjusting torque sizes a kind of the friction type one-way clutch.The technical solution adopted by the present invention
It is:
A kind of the friction type one-way clutch, including elastic basin-shaped washer, adjustment packing ring, active wearing piece, driven friction disk,
Pre-tightening sleeve, pad, back-up ring, elastic spring, outer ring and central hub;
Elastic basin-shaped washer endoporus is socketed on the left step step side face outer round surface of central hub, elastic basin-shaped washer endoporus
Left comer and the left step step end face of central hub and step week interfacial angle offset, the elastic cylindrical right corner of basin-shaped washer and adjustment packing ring
Left side offsets;
It is cylindrical that adjustment packing ring inner hole sleeve is connected to the straight spline of pre-tightening sleeve, left side and the elasticity cylindrical upper right corner phase of basin-shaped washer
Support, right side offsets with a piece of active friction plate left side;
Active friction plate is radially fixed with the endoporus of outer ring, is in axial sliding connection;
Driven friction disk is at least a piece of, and driven friction disk replaces assembling with active friction plate, and driven friction disk endoporus sets
There are several straight splines, the cylindrical several straight splines of pre-tightening sleeve step and energy are bumped into the several straight spline of driven friction disk endoporus
Slide axially;
The left inside hole machined of pre-tightening sleeve is into the cylindrical oblique spline engagement of oblique spline and central hub and can axially relatively slide, interior
The right step connecting end surface in hole offsets with pad left side, and left end Excircle machining has several straight splines, the cylindrical straight spline edge of left end
Enter the straight spline of driven friction disk endoporus and can axially relatively slide, cylindrical right connection end left side and a piece of driven friction disk
Right side offsets;
Pad endoporus is processed into oblique spline oblique spline cylindrical with central hub and is meshed and the axially opposed slip of energy, left end
Face offsets with the right endoporus connecting end surface of pre-tightening sleeve, and right side offsets with back-up ring left side;
Back-up ring left side offsets with pad right side, and it is cylindrical and be provided with a R groove, R that endoporus is socketed on central hub spline
Elastic spring is bumped into groove;
The upper lower half circle of elastic spring is bumped into back-up ring endoporus R grooves and central hub splined surfaces R grooves respectively;
Central hub Excircle machining has the oblique spline of involute, and the oblique spline left end of involute is provided with a left step, central shaft
The left step step end face of hub offsets with the angle of cut of step side face with elastic basin-shaped washer endoporus left comer;Outside the oblique spline of central hub
Circle left and right two ends are socketed elastic basin-shaped washer and back-up ring respectively, middle tiltedly spline respectively with hole deviation spline in pre-tightening sleeve and pad in
Hole deviation spline is connected and can axially relatively slide;It is cylindrical on the outside of the oblique spline of right-hand member of central hub to open a R groove for covering
Connect elastic spring.
Further, active friction plate is shaped as that thin slice is square, and four angles are designed to rectangular slot, four rectangular slots
It is bumped into four rectangle fins of outer ring endoporus and can slides axially.
Further, the both ends of the surface in active friction plate are provided with several trapezoidal pits arranged along center annular.
The advantage of the invention is that:
1)Structure is relatively easy, and processing cost is low.
2)Moment of torsion is big, and adjusting torque.
3)Engagement is reliable and stable.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is A-A partial cross sectional views of the invention.
Fig. 3 is partial structural diagram at active wearing piece B of the invention.
Specific embodiment
With reference to specific drawings and Examples, the invention will be further described.
A kind of the friction type one-way clutch proposed by the present invention, as depicted in figs. 1 and 2, including elastic basin-shaped washer 1, tune
Whole packing ring 2, active wearing piece 3, driven friction disk 4, pre-tightening sleeve 5, pad 6, back-up ring 7, elastic spring 8, outer ring 9 and central hub
10;
The endoporus of elastic basin-shaped washer 1 is socketed on the left outer round surface of step step side face 102 of central hub 10, elastic basin shape pad
Circle endoporus left comer 101 offsets with the left step step end face 103 of central hub 10 and the angle of cut of step side face 102, elastic basin-shaped washer
Cylindrical right corner 104 offsets with adjustment packing ring 2 left side;The part is shaped as basin shape, compressing with 50CrVA steel spring plate punching presses,
Needed after compressing by heat-treatment quenching and surface treatment, be then heated to 180 DEG C, make 300,000 fatigue tests, after experiment
Deformation cannot be greater than 10%.
Adjustment packing ring 2 is ring-shape accessory, and it is cylindrical that endoporus is socketed on the straight spline of pre-tightening sleeve 5, left side and elastic basin shape pad
Enclose the cylindrical upper right corner 104 to offset, right side offsets with the left side of a piece of active friction plate 3, when needs increase transmission is turned round during design
During square, the quantity of active wearing piece 3 and driven friction disk 4 can be increased, reduce the thickness T of adjustment packing ring 2 to realize, during design
When needing to reduce transmitting torque, it is possible to reduce the quantity of active wearing piece 3 and driven friction disk 4, the thickness of increase adjustment packing ring 2
T is spent to realize.
Active friction plate 3 is at least a piece of, is shaped as that thin slice is square, and four angles are designed to rectangular slot 105, and four rectangular
Shape groove 105 is bumped into 9 endoporus of outer ring, four rectangle fins and can slide axially, and in order to increase end-face friction, is rubbed in active
The a number of trapezoidal pit 106 arranged along center annular of both ends of the surface punching press of pad 3, as shown in Figure 3.
Driven friction disk 4 is at least a piece of, is shaped as thin slice annular, and driven friction disk 4 replaces dress with active friction plate 3
Match somebody with somebody, the endoporus of driven friction disk 4 is provided with the straight spline 107 of several rectangles, several straight splines 107 of rectangle and is bumped into pre-tightening sleeve
The cylindrical several straight splines of 5 steps can simultaneously slide axially;
Pre-tightening sleeve 5 is cover parts, and left inside hole machined simultaneously can phase into oblique spline oblique spline engagement cylindrical with central hub 10
To sliding axially, the right step connecting end surface of endoporus offsets with the left side of pad 6, and left end Excircle machining is directly spent into several rectangles
Key, the straight spline of rectangle is bumped into the endoporus spline of driven friction disk 4 and can axially relatively slide, cylindrical right connection end left side
Offseted with the right side of a piece of driven friction disk 4;
The endoporus of pad 6 is processed into oblique spline oblique spline cylindrical with central hub 10 and is meshed and the axially opposed slip of energy,
Left side offsets with the right endoporus connecting end surface of pre-tightening sleeve 5, and right side offsets with the left side of back-up ring 7;
Back-up ring 7 is cover parts, and left side offsets with the right side of pad 6, and it is cylindrical that endoporus is socketed on the spline of central hub 10
And a R groove is provided with, elastic spring 8 is bumped into R grooves;
Elastic spring 8 is ring-shape accessory, and upper lower half circle is bumped into the endoporus R grooves of back-up ring 7 and the spline table of central hub 10 respectively
In the R grooves of face.
The endoporus of outer ring 9 is provided with four rectangle fins, and four rectangle fins are bumped into the angular length of several active friction plates 3 four
In square groove 105.
The Excircle machining of central hub 10 has the oblique spline 109 of involute, and the oblique left end of spline 109 of involute is provided with a left step
108, the angle of cut and the elastic endoporus left comer 101 of basin-shaped washer 1 of the step end face 103 of the left step of central hub 108 and step side face 102
Offset;The cylindrical left and right two ends of oblique spline of central hub 10 are socketed elastic basin-shaped washer 1 and back-up ring 7, middle tiltedly spline point respectively
It is not connected and can axially relatively slides with hole deviation spline in hole deviation spline in pre-tightening sleeve 5 and pad 6, the right side of central hub 10
Hold it is cylindrical on the outside of oblique spline open a R groove 110, in R grooves one elastic spring 8 of socket be used for axial restraint elasticity basin-shaped washer 1,
Pre-tightening sleeve 5, pad 6 and back-up ring 7.
Operation principle:When transmission power, the deformation of elastic basin-shaped washer 1 produces axial thrust to clamp adjustment packing ring 2, active
Wearing piece 3, driven friction disk 4, pre-tightening sleeve 5 and pad 6, make active wearing piece 3, the end face of driven friction disk 4 be fitted tightly over one
Rise, so as to ensure that power is delivered in central hub 10 from outer ring 9;
When reversely skidding, central hub 10 is reversely rotated and drives pre-tightening sleeve 5 to move axially to the left, and central hub 10 is relative
Moved right in pre-tightening sleeve 5, the left step step end face 103 of central hub applies active force to the inner ring of elastic basin-shaped washer 1 to the right,
Elastic basin-shaped washer 1 is promoted to deform so that the cylindrical right corner 104 of elastic basin-shaped washer 1 is unclamped with adjustment packing ring 2 left side, so that
Unclamp adjustment packing ring 2, active wearing piece 3, driven friction disk 4, the end contact of pre-tightening sleeve 5 and pad 6, active wearing piece 3, from
The end face of movable friction plate 4 is no longer brought into close contact, and outer ring 9 and central hub 10 run out of steam transmission.
Claims (4)
1. a kind of the friction type one-way clutch, it is characterised in that including elastic basin-shaped washer (1), adjustment packing ring (2), actively grind
Pad (3), driven friction disk (4), pre-tightening sleeve (5), pad (6), back-up ring (7), elastic spring (8), outer ring (9) and central hub
(10);
Elastic basin-shaped washer (1) endoporus is socketed on left step step side face (102) outer round surface of central hub (10), elastic basin shape
Packing ring endoporus left comer (101) offsets with the left step step end face (103) of central hub (10) and step side face (102) angle of cut, bullet
Property the cylindrical right corner of basin-shaped washer (104) with adjustment packing ring (2) left side offset;
It is cylindrical that adjustment packing ring (2) endoporus is socketed on the straight spline of pre-tightening sleeve (5), left side and the cylindrical right corner of elastic basin-shaped washer
(104) offset, right side offsets with a piece of active friction plate (3) left side;
Active friction plate (3) is radially fixed with the endoporus of outer ring (9), is in axial sliding connection;
Driven friction disk (4) is at least a piece of, and driven friction disk (4) replaces assembling, driven friction disk with active friction plate (3)
(4) endoporus is provided with several straight splines, is bumped into the several straight spline of driven friction disk (4) endoporus outside pre-tightening sleeve (5) step
The several straight splines of circle can simultaneously slide axially;
Pre-tightening sleeve (5) left inside hole machined is into oblique spline and the cylindrical oblique spline engagement of central hub (10) and can axially relatively slide
Dynamic, the right step connecting end surface of endoporus offsets with pad (6) left side, and left end Excircle machining has several straight splines, and left end is cylindrical
Straight spline is bumped into the straight spline of driven friction disk (4) endoporus and can axially relatively slide, cylindrical right connection end left side and
Piece driven friction disk (4) right side offsets;
Pad (6) endoporus is processed into oblique spline and is meshed with the cylindrical oblique spline of central hub (10) and the axially opposed slip of energy,
Left side offsets with the right endoporus connecting end surface of pre-tightening sleeve (5), and right side offsets with back-up ring (7) left side;
Back-up ring (7) left side offsets with pad (6) right side, and it is cylindrical and be provided with one that endoporus is socketed on central hub (10) spline
R grooves, are bumped into elastic spring (8) in R grooves;
The upper lower half circle of elastic spring (8) is bumped into back-up ring (7) endoporus R grooves and central hub (10) splined surfaces R grooves respectively;
Central hub (10) Excircle machining has the oblique spline of involute (109), and involute oblique spline (109) left end is provided with one left
The angle of cut of rank (108), central hub left step (108) step end face (103) and step side face (102) and elastic basin-shaped washer
(1) endoporus left comer (101) offsets;The cylindrical left and right two ends of oblique spline of central hub (10) are socketed elastic basin-shaped washer (1) respectively
And back-up ring (7), middle tiltedly spline is connected with the interior hole deviation spline of pre-tightening sleeve (5) and the interior hole deviation spline of pad (6) respectively simultaneously can phase
To sliding axially;It is cylindrical on the outside of the oblique spline of right-hand member of central hub (10) to open a R groove for being socketed elastic spring (8).
2. the friction type one-way clutch as claimed in claim 1, it is characterised in that:
Active friction plate (3) to be shaped as thin slice square, four angles are provided with rectangular slot (105), four rectangular slots (105) edges
Enter four rectangle fins of outer ring (9) endoporus and can slide axially.
3. the friction type one-way clutch as claimed in claim 1, it is characterised in that:
In active friction plate(3)Both ends of the surface be provided with it is several along center annular arrange trapezoidal pits(106).
4. the friction type one-way clutch as claimed in claim 1, it is characterised in that:
The cylindrical straight spline of pre-tightening sleeve (5) left end is the straight spline of rectangle, and correspondingly, driven friction disk (4) endoporus is provided with several
The straight spline of rectangle (107).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510368315.6A CN104948607B (en) | 2015-06-29 | 2015-06-29 | The friction type one-way clutch |
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CN201510368315.6A CN104948607B (en) | 2015-06-29 | 2015-06-29 | The friction type one-way clutch |
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CN104948607A CN104948607A (en) | 2015-09-30 |
CN104948607B true CN104948607B (en) | 2017-06-30 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3614398B2 (en) * | 2001-12-13 | 2005-01-26 | アイシン・エィ・ダブリュ株式会社 | Automatic transmission |
CN1752474A (en) * | 2004-09-22 | 2006-03-29 | 韩文明 | Improved face contact type unidirectional clutch |
CN2837603Y (en) * | 2004-12-15 | 2006-11-15 | 陈萌 | External gear decelerating and friction disk type one-way clutch |
CN101270787A (en) * | 2008-05-15 | 2008-09-24 | 宁波宏协机械制造有限公司 | Surface contact type unidirectional clutch |
US8186492B2 (en) * | 2008-10-24 | 2012-05-29 | Schaeffler Technologies AG & Co. KG | One way clutch |
CN203257932U (en) * | 2013-05-06 | 2013-10-30 | 宁波科纳电器有限公司 | Friction type one-way clutch |
CN204729509U (en) * | 2015-06-29 | 2015-10-28 | 无锡市神力齿轮冷挤有限公司 | Friction type one way clutch |
-
2015
- 2015-06-29 CN CN201510368315.6A patent/CN104948607B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3614398B2 (en) * | 2001-12-13 | 2005-01-26 | アイシン・エィ・ダブリュ株式会社 | Automatic transmission |
CN1752474A (en) * | 2004-09-22 | 2006-03-29 | 韩文明 | Improved face contact type unidirectional clutch |
CN2837603Y (en) * | 2004-12-15 | 2006-11-15 | 陈萌 | External gear decelerating and friction disk type one-way clutch |
CN101270787A (en) * | 2008-05-15 | 2008-09-24 | 宁波宏协机械制造有限公司 | Surface contact type unidirectional clutch |
US8186492B2 (en) * | 2008-10-24 | 2012-05-29 | Schaeffler Technologies AG & Co. KG | One way clutch |
CN203257932U (en) * | 2013-05-06 | 2013-10-30 | 宁波科纳电器有限公司 | Friction type one-way clutch |
CN204729509U (en) * | 2015-06-29 | 2015-10-28 | 无锡市神力齿轮冷挤有限公司 | Friction type one way clutch |
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