CN104948607A - Friction type one-way clutch - Google Patents
Friction type one-way clutch Download PDFInfo
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- CN104948607A CN104948607A CN201510368315.6A CN201510368315A CN104948607A CN 104948607 A CN104948607 A CN 104948607A CN 201510368315 A CN201510368315 A CN 201510368315A CN 104948607 A CN104948607 A CN 104948607A
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- spline
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- endoporus
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Abstract
The invention provides a friction type one-way clutch. The friction type one-way clutch comprises an elastic pot-shaped gasket, an adjusting gasket, a drive friction plate, a driven friction plate, a pre-tightening sleeve, a gasket, a check ring, a steel wire check ring, an outer ring and a center hub. An inner hole of the elastic pot-shaped gasket is connected to the outer circle surface of a step circumferential face of a left step of the center hub in a sleeving mode, a left corner of the inner hole of the elastic pot-shaped gasket abuts against the crossed corner of the step end face and the step circumferential face of the left step of the center hub, and the outer circle right corner of the elastic pot-shaped gasket abuts against the left end face of the adjusting gasket. An inner hole of the adjusting gasket is connected to the outer circle of a straight spline of the pre-tightening sleeve, the left end face abuts against the upper right corner of the outer circle of the elastic pot-shaped gasket, and the right end face abuts against the left end face of the drive friction plate. The drive friction plate and the inner hole of the outer ring are fixed in the radial direction and are in sliding connection in the axial direction. An involute inclined spline is machined in the outer circle of the center hub, a left step is arranged at the left end of the involute inclined spline, and the left end and the right end of the outer circle of the inclined spline of the center hub are sleeved with the elastic pot-shaped gasket and the check ring. According to the friction type one-way clutch, meshing is stable and reliable, and torque can be adjusted according to different car types.
Description
Technical field
The present invention relates to a kind of overrunning clutch, especially a kind of the friction type overrunning clutch.
Background technique
At present, the overrunning clutch produced in enormous quantities is both at home and abroad all roller type, and its principle is in sleeve, be provided with curved surface chute, by roller wedging, the power on transmission shaft is delivered on actuation gear by sleeve and roller, complex process, cost is high, and easy failure mode.A kind of profile of development need along with automotive industry is constant can for different vehicle adjusting torque sizes, and structure is simple, easy to use, engage reliable and stable overrunning clutch.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide that structure is simple, cost is low, engagement is reliable and can for a kind of the friction type overrunning clutch of different vehicle adjusting torque sizes.The technical solution used in the present invention is:
A kind of the friction type overrunning clutch, comprises elasticity basin-shaped washer, adjustment packing ring, initiatively wearing piece, driven friction disk, pre-tightening sleeve, pad, back-up ring, Steel Cable Baffle Ring, outer ring and central hub;
Elasticity basin-shaped washer inner hole sleeve is connected to central hub left step step side face outer round surface, elasticity basin-shaped washer endoporus left comer and the left step step end face of central hub and step week interfacial angle offset, elasticity basin-shaped washer cylindrical right corner offsets with adjustment packing ring left side;
Adjustment packing ring inner hole sleeve is connected to the straight spline cylindrical of pre-tightening sleeve, and left side and the elasticity basin-shaped washer cylindrical upper right corner offset, and right side and a slice active friction plate left side offset;
The internal orifice dimension of active friction plate and outer ring, to fixing, is in axial sliding connection;
Driven friction disk has a slice at least, and driven friction disk and active friction plate alternately assemble, and driven friction disk endoporus is provided with several straight spline, is bumped into the several straight spline of pre-tightening sleeve step cylindrical and can slides axially in the several straight spline of driven friction disk endoporus;
The left inside hole machined of pre-tightening sleeve becomes oblique spline with the oblique spline engagement of central hub cylindrical and can relatively slide axially, the right step connecting end surface of endoporus and pad left side offset, left end Excircle machining has several straight spline, the straight spline of left end cylindrical is bumped into the straight spline of driven friction disk endoporus and can relatively slides axially, and offsets on the left of the right connecting end portion of cylindrical with a slice driven friction disk right side;
Pad endoporus is processed into oblique spline and is meshed with the oblique spline of central hub cylindrical and can relative sliding vertically, and left side and pre-tightening sleeve right inside hole connecting end surface offset, and right side and back-up ring left side offset;
Back-up ring left side and pad right side offset, and inner hole sleeve is connected to central hub spline cylindrical and has a R groove, is bumped into Steel Cable Baffle Ring in R groove;
The upper lower semi-circle of Steel Cable Baffle Ring is bumped in back-up ring endoporus R groove and central hub splined surfaces R groove respectively;
Central hub Excircle machining has the oblique spline of involute, and involute oblique spline left end is provided with a left step, and the angle of cut and the elasticity basin-shaped washer endoporus left comer of the left step step end face of central hub and step side face offset; The two ends, oblique spline cylindrical left and right of central hub are socketed elasticity basin-shaped washer and back-up ring respectively, and middle tiltedly spline is connected with hole deviation spline in hole deviation spline in pre-tightening sleeve and pad respectively and can relatively slides axially; Outside the oblique spline of right-hand member of central hub, cylindrical opens a R groove for being socketed Steel Cable Baffle Ring.
Further, the shape of active friction plate is that thin slice is square, and four angles are designed to rectangular slot, and four rectangular slots are bumped into outer ring endoporus four rectangular fins and can slide axially.
Further, several trapezoidal pit be centrally circular layout is provided with in the both ends of the surface of active friction plate.
The invention has the advantages that:
1) structure is relatively simple, and processing cost is low.
2) moment of torsion is large, and adjusting torque.
3) engage reliable and stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is A-A partial cross sectional views of the present invention.
Fig. 3 is active wearing piece B place of the present invention partial structurtes schematic diagram.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
A kind of the friction type overrunning clutch that the present invention proposes, as depicted in figs. 1 and 2, comprises elasticity basin-shaped washer 1, adjustment packing ring 2, initiatively wearing piece 3, driven friction disk 4, pre-tightening sleeve 5, pad 6, back-up ring 7, Steel Cable Baffle Ring 8, outer ring 9 and central hub 10;
Elasticity basin-shaped washer 1 inner hole sleeve is connected to central hub 10 left step step side face 102 outer round surface, elasticity basin-shaped washer 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, and elasticity basin-shaped washer cylindrical right corner 104 offsets with adjustment packing ring 2 left side; This part shape is basin shape, compressing with the punching press of 50CrVA Steel Spring Plate, needs, through heat-treatment quenching and surface treatment, to be then heated to 180 DEG C after compressing, does 300,000 fatigue tests, must not be out of shape and be greater than 10% after test.
Adjustment packing ring 2 is ring-shape accessory, inner hole sleeve is connected to the straight spline cylindrical of pre-tightening sleeve 5, left side and the elasticity basin-shaped washer cylindrical upper right corner 104 offset, right side and a slice active friction plate 3 left side offset, during design when needs increase transmitting torque, the quantity of initiatively wearing piece 3 and driven friction disk 4 can be increased, the thickness T reducing adjustment packing ring 2 realizes, during design when needs reduce transmitting torque, can reduce the quantity of initiatively wearing piece 3 and driven friction disk 4, the thickness T increasing adjustment packing ring 2 realizes.
Active friction plate 3 has a slice at least, shape is that thin slice is square, four angles are designed to rectangular slot 105, four rectangular slots 105 are bumped into outer ring 9 endoporus four rectangular fins and can slide axially, in order to increase end-face friction, at the trapezoidal pit 106 be centrally circular layout of the both ends of the surface punching press some of active friction plate 3, as shown in Figure 3.
Driven friction disk 4 has a slice at least, shape is thin slice ring, driven friction disk 4 and active friction plate 3 alternately assemble, driven friction disk 4 endoporus is provided with the straight spline 107 of several rectangular, is bumped into the several straight spline of pre-tightening sleeve 5 step cylindrical and can slides axially in the straight spline of several rectangular 107;
Pre-tightening sleeve 5 is cover parts, left inside hole machined becomes oblique spline with the oblique spline engagement of central hub 10 cylindrical and can relatively slide axially, the right step connecting end surface of endoporus and pad 6 left side offset, left end Excircle machining becomes the straight spline of several rectangular, the straight spline of rectangular is bumped into driven friction disk 4 endoporus spline and can relatively slides axially, and offsets on the left of the right connecting end portion of cylindrical with a slice driven friction disk 4 right side;
Pad 6 endoporus is processed into oblique spline and is meshed with the oblique spline of central hub 10 cylindrical and can relative sliding vertically, and left side and pre-tightening sleeve 5 right inside hole connecting end surface offset, and right side and back-up ring 7 left side offset;
Back-up ring 7 is cover parts, and left side and pad 6 right side offset, and inner hole sleeve is connected to central hub 10 spline cylindrical and has a R groove, is bumped into Steel Cable Baffle Ring 8 in R groove;
Steel Cable Baffle Ring 8 is ring-shape accessory, and upper lower semi-circle is bumped in back-up ring 7 endoporus R groove and central hub 10 splined surfaces R groove respectively.
Outer ring 9 endoporus is provided with four rectangular fins, and four rectangular fins are bumped in several active friction plate 3 four jiaos of rectangular slots 105.
Central hub 10 Excircle machining has the oblique spline 109 of involute, and involute oblique spline 109 left end is provided with a left step 108, and the angle of cut and the elasticity basin-shaped washer 1 endoporus left comer 101 of central hub left step 108 step end face 103 and step side face 102 offset; The two ends, oblique spline cylindrical left and right of central hub 10 are socketed elasticity basin-shaped washer 1 and back-up ring 7 respectively, middle tiltedly spline is connected with hole deviation spline in hole deviation spline in pre-tightening sleeve 5 and pad 6 respectively and can relatively slides axially, outside the oblique spline of right-hand member of central hub 10, cylindrical is opened in R groove 110, a R groove and is socketed a Steel Cable Baffle Ring 8 for axial restraint elasticity basin-shaped washer 1, pre-tightening sleeve 5, pad 6 and back-up ring 7.
Working principle: when transferring power, elasticity basin-shaped washer 1 is out of shape generation end thrust clamping adjustment packing ring 2, initiatively wearing piece 3, driven friction disk 4, pre-tightening sleeve 5 and pad 6, initiatively wearing piece 3, driven friction disk 4 end face are fitted tightly together, thus ensures that power is delivered to central hub 10 from outer ring 9;
When oppositely skidding, central hub 10 counterrotating drives pre-tightening sleeve 5 to move axially left, central hub 10 moves right relative to pre-tightening sleeve 5, the left step step end face 103 of central hub applies active force to elasticity basin-shaped washer 1 inner ring to the right, promote elasticity basin-shaped washer 1 to be out of shape, elasticity basin-shaped washer 1 cylindrical right corner 104 is unclamped with adjustment packing ring 2 left side, thus unclamp adjustment packing ring 2, initiatively wearing piece 3, driven friction disk 4, the end contact of pre-tightening sleeve 5 and pad 6, initiatively wearing piece 3, driven friction disk 4 end face no longer fits tightly, outer ring 9 and central hub 10 run out of steam and transmit.
Claims (4)
1. a friction type overrunning clutch, it is characterized in that, comprise elasticity basin-shaped washer (1), adjustment packing ring (2), initiatively wearing piece (3), driven friction disk (4), pre-tightening sleeve (5), pad (6), back-up ring (7), Steel Cable Baffle Ring (8), outer ring (9) and central hub (10);
Elasticity basin-shaped washer (1) inner hole sleeve is connected to central hub (10) left step step side face (102) outer round surface, elasticity basin-shaped washer 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, and elasticity basin-shaped washer cylindrical right corner (104) offsets with adjustment packing ring (2) left side;
Adjustment packing ring (2) inner hole sleeve is connected to the straight spline cylindrical of pre-tightening sleeve (5), and left side and the elasticity basin-shaped washer cylindrical upper right corner (104) offset, and right side and a slice active friction plate (3) left side offset;
The internal orifice dimension of active friction plate (3) and outer ring (9), to fixing, is in axial sliding connection;
Driven friction disk (4) has a slice at least, driven friction disk (4) and active friction plate (3) alternately assemble, driven friction disk (4) endoporus is provided with several straight spline, is bumped into the several straight spline of pre-tightening sleeve (5) step cylindrical and can slides axially in the several straight spline of driven friction disk (4) endoporus;
Pre-tightening sleeve (5) left inside hole machined becomes oblique spline with the oblique spline engagement of central hub (10) cylindrical and can relatively slide axially, the right step connecting end surface of endoporus and pad (6) left side offset, left end Excircle machining has several straight spline, the straight spline of left end cylindrical is bumped into the straight spline of driven friction disk (4) endoporus and can relatively slides axially, and offsets on the left of the right connecting end portion of cylindrical with a slice driven friction disk (4) right side;
Pad (6) endoporus is processed into oblique spline and is meshed with the oblique spline of central hub (10) cylindrical and can relative sliding vertically, left side and pre-tightening sleeve (5) right inside hole connecting end surface offset, and right side and back-up ring (7) left side offset;
Back-up ring (7) left side and pad (6) right side offset, and inner hole sleeve is connected to central hub (10) spline cylindrical and has a R groove, is bumped into Steel Cable Baffle Ring (8) in R groove;
The upper lower semi-circle of Steel Cable Baffle Ring (8) is bumped in back-up ring (7) endoporus R groove and central hub (10) splined surfaces R groove respectively;
Central hub (10) Excircle machining has the oblique spline of involute (109), the oblique spline of involute (109) left end is provided with a left step (108), and the angle of cut and elasticity basin-shaped washer (1) the endoporus left comer (101) of the left step of central hub (108) step end face (103) and step side face (102) offset; The two ends, oblique spline cylindrical left and right of central hub (10) are socketed elasticity basin-shaped washer (1) and back-up ring (7) respectively, and middle tiltedly spline is connected with pre-tightening sleeve (5) interior hole deviation spline and pad (6) interior hole deviation spline respectively and can relatively slides axially; Outside the oblique spline of right-hand member of central hub (10), cylindrical opens a R groove for being socketed Steel Cable Baffle Ring (8).
2. the friction type overrunning clutch as claimed in claim 1, is characterized in that:
The shape of active friction plate (3) is that thin slice is square, and four angles are provided with rectangular slot (105), and four rectangular slots (105) are bumped into outer ring (9) endoporus four rectangular fins and can slide axially.
3. the friction type overrunning clutch as claimed in claim 1, is characterized in that:
Several trapezoidal pit (106) be centrally circular layout is provided with in the both ends of the surface of active friction plate (3).
4. the friction type overrunning clutch as claimed in claim 1, is characterized in that:
The straight spline of pre-tightening sleeve (5) left end cylindrical is the straight spline of rectangular, and correspondingly, driven friction disk (4) endoporus is provided with the straight spline of several rectangular (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368315.6A CN104948607B (en) | 2015-06-29 | 2015-06-29 | The friction type one-way clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368315.6A CN104948607B (en) | 2015-06-29 | 2015-06-29 | The friction type one-way clutch |
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| Publication Number | Publication Date |
|---|---|
| CN104948607A true CN104948607A (en) | 2015-09-30 |
| CN104948607B CN104948607B (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510368315.6A Active CN104948607B (en) | 2015-06-29 | 2015-06-29 | The friction type one-way clutch |
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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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| Publication number | Publication date |
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| CN104948607B (en) | 2017-06-30 |
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