CN101338799B - Cam push rod type gear overrunning clutch - Google Patents
Cam push rod type gear overrunning clutch Download PDFInfo
- Publication number
- CN101338799B CN101338799B CN2007100786989A CN200710078698A CN101338799B CN 101338799 B CN101338799 B CN 101338799B CN 2007100786989 A CN2007100786989 A CN 2007100786989A CN 200710078698 A CN200710078698 A CN 200710078698A CN 101338799 B CN101338799 B CN 101338799B
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- Prior art keywords
- push rod
- roller
- engagement
- ring
- overrunning clutch
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- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 230000008859 change Effects 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The present invention discloses a cam push rod type gear overrunning clutch, which comprises a driven cam shaft; wherein, radial grooves, the number of which is equal to the number of push rods and which are in accordance with the rotating direction of the driven cam shaft, are evenly arranged from the high position to the low position on the outer circumference of the driven cam shaft; a meshing roller pushing ring is provided with meshing holes; through the meshing holes, meshing rollers are arranged in the radial grooves of the driven cam shaft; the push rods are inserted into the meshing holes on the meshing roller pushing ring to push the meshing rollers; the other ends of the push rods push overrunning clutch rollers which maintain an overrunning meshing relation with a quick blocking overrunning clutch gear; the outer circles of a left bearing supporter and a right bearing supporter are respectively arranged on the left and the right sides of the push rods and the overrunning clutch rollers; the outer and the inner circles of the left and the right bearing supporters are fitted with the outer circle of the meshing roller pushing ring in a rolling way by variable-speed rollers. According to the running resistance, the cam push rod type gear overrunning clutch can be manually or automatically disengaged or meshed in time without cutting off driving force, so that a vehicle can always be in a steady state, and moreover, the cam push rod type gear overrunning clutch has the advantages of simple structure and low fabrication cost.
Description
Technical field
The present invention relates to a kind of clutch of Motor Vehicle, particularly a kind of cam push rod type gear overrunning clutch.
Background technique
Clutch is the main member of Motor Vehicle, if there is not clutch, all movement parts will produce very big moment of inertia, and power train is caused load above its bearing capacity, and parts are damaged.Clutch has been arranged, just can rely between clutch active part and the secondary part issuable relative movement to eliminate this danger.In the prior art, the common clutch that adopts of Motor Vehicle is friction disk clutch and common free wheel device normally, though common free wheel device is almost not loss of energy when engagement driving, but can not carry out clutch as required, more can not come clutch according to the relation between resistance to motion and the driving force.Friction clutcch borrows the rubbing action between surface of contact to carry out transmission by active part and secondary part, by separating of active part and secondary part, the operator can operate also fairly simple according to the motor-driven vehicle going situation from chief commander's clutch separation or engagement.But, this clutch is to carry out transmission by friction, and energy loss is bigger, loses revolution, and, the driver rule of thumb operates, and separates the back and adopts the gearshift action, because clutch separation, shift gears after cutting off driving force, the driver has tangible pause and transition in rhythm or melody sense, makes the locomotive operation shakiness, reduces Security.Existing a lot of patent has been carried out many improvement to above two kinds of clutches, but above shortcoming is not all had the elimination of essence.
Therefore, need a kind ofly can to cut off the clutch that driving force just can be carried out clutch shifting at needs not, motor vehicle are operated steadily, raising Security and stability according to the locomotive operation situation.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of cam push rod type gear overrunning clutch, not cutting off driving force under the situation of automatic or manual separates automatically or meshes, cooperate with other members, finish the gearshift action, can satisfy under mountain area, hills and the heavy load conditions and use, the speed of a motor vehicle changes steady slow, it is mild that motor or motor load are changed, thereby motor vehicle are operated steadily, and improves Security and stability.
Cam push rod type gear overrunning clutch of the present invention comprises driven shaft;
A. comprise also that overdrive clutch gear, one are with upper ejector pin, the engagement roller identical with push rod quantity, left bearing holder outer ring that axial cross section is T shape and right bearing holder outer ring, overdrive clutch roller, engagement roller ring, speed change roller;
B. described driven shaft is the inverted cam axle, uniformly on the inverted cam axle excircle be provided with identical with push rod quantity and the consistent radial groove from high to low of inverted cam axle sense of rotation, engagement roller ring cylindrical is provided with ring ring annular boss, uniformly on the ring annular boss circumference be provided with the radially engagement through hole identical with push rod quantity, the engagement roller is put into the radial groove of inverted cam axle by engaging hole, push rod penetrates the engaging hole on the engagement roller ring, withstand the engagement roller, the push rod the other end withstands with fast retaining overdrive clutch gear and keeps surmounting the fast retaining overdrive clutch roller that meshes contact condition;
C. fast gear shaft retainer ring in a left side and right fast gear shaft retainer ring are arranged at push rod respectively and keep off the overdrive clutch roller left and right sides soon in the outside mode of T shape end face, left and right fast gear shaft retainer ring cylindrical is held fast retaining overdrive clutch roller, cooperates by the rolling of fast retaining speed change roller between interior circle and the engagement roller ring cylindrical.
Further, the radial cross section of described push rod is a T shape, and the jogger hole radial cross section on the engagement roller ring should be T shape with it relatively;
Further, the radial groove on the described inverted cam axle is for seeing along clockwise direction involute shape from high to low from left to right;
Further, described engagement roller ring left end is provided with spline;
Further, the quantity of described push rod is 6.
The invention has the beneficial effects as follows: cam push rod type gear overrunning clutch of the present invention, can under the situation of automatic or manual, not cut off driving force and separate automatically or mesh, cooperate with other members, finishing the gearshift action; Be quick on the draw, and simple in structure, low cost of manufacture; Satisfy under mountain area, hills and the heavy load conditions and use, the speed of a motor vehicle changes steady slow, and it is mild that motor or motor load are changed, and motor vehicle are operated steadily, and improves Security.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is an axial section structural representation of the present invention;
Fig. 2 be Fig. 1 along A-A to sectional view;
Fig. 3 is an engagement roller ring axial section structural representation of the present invention;
Fig. 4 is that the inverted cam diameter of axle is to the groove longitudinal section view.
Embodiment
Fig. 1 is a structural representation of the present invention, as shown in the figure, cam push rod type gear overrunning clutch comprises that left bearing holder outer ring 7 that inverted cam axle 1,6,6 T shape push rods of overdrive clutch gear 4,6 engagement rollers 5, axial cross sections are T shape and right bearing filler ring 7a, 6 overdrive clutch rollers 3, left end are provided with the engagement roller ring 8 of spline, a plurality of speed change roller 2;
On inverted cam axle 1 excircle uniform be provided with 6 clockwise directions from high to low radial cross section be the radial groove of involute shape, engagement roller ring 8 is enclosed within inverted cam axle 1 cylindrical, engagement roller ring 8 cylindricals are provided with annular boss 8a, uniformly on the annular boss 8a circumference be provided with the radially engagement through hole 8b that 6 radial cross sections are T shape, match with T shape push rod 4, engagement roller 5 is put into the radial groove of inverted cam axle 1 by engaging hole, T shape push rod 4 little head ends penetrate the engaging hole on the engagement roller ring 8, withstand engagement roller 5, T shape push rod 4 the other ends withstand with fast retaining overdrive clutch gear 6 and keep surmounting the overdrive clutch roller 3 that meshes contact condition; Axial cross section is that the left bearing filler ring 7 and the right bearing filler ring 7a of T shape is arranged at the push rod 4 and overdrive clutch roller 3 left and right sides respectively in the outside mode of T shape end face, left and right fast gear shaft retainer ring cylindrical is held fast retaining overdrive clutch roller 3, cooperates by 2 rollings of speed change roller between interior circle and engagement roller ring 8 cylindricals.
Certainly, more than the effect that can clearly demonstrate the present invention is just played in explanation, is not to be limitation of the present invention, and above technical characteristics can change according to reality.Such as, the radial cross section of push rod 4 is not limited to T shape, also can be other shapes; Engagement roller ring 8 is according to the situation that matches with other mechanisms, and left end can not be provided with spline.
This clutch is when operation, provide power by manual or automechanism, engagement roller ring 8 is rotated counterclockwise several angle, engagement roller 5 is risen along inverted cam axle 1 cam groove cam, support T type push rod 4 and clutch roller 3 and 6 engagements of overdrive clutch gear, overdrive clutch gear 6 and initiatively driving gear maintenance engagement, transferring power.In the present embodiment, according to travel situations, when resistance to motion was big, engagement roller ring 8 provided under the situation of power at manual or automechanism, along clockwise mobile several angle, engagement roller 5 descends along inverted cam axle 1 involute groove, and T type push rod 4 loses support, and overdrive clutch roller 3 breaks away from engagement with fast retaining overdrive clutch gear 6, synchronously, other surmount gear mechanism and continue transmission of drive force with the driving gear engagement, therefore, reach the purpose of not cutting off the driving force clutch shifting.
When running resistance reduces, provide power that engagement roller ring 8, engagement roller 5 are rotated counterclockwise along inverted cam axle 1 cam line by manual or automechanism, and inverted cam axle 1 groove heads on 4 risings of T type push rod in face of roller 5 clockwise relatively, withstand overdrive clutch roller 3 until T type push rod 4, overdrive clutch roller 3 pins fast shelves free wheel device gear 6.
Therefore, cam push rod type gear overrunning clutch of the present invention is realized the clutch variable block not needing to cut off under the situation of driving force, make whole locomotive operation steady, safe and low consumption.
Fig. 2 be Fig. 1 along A-A to sectional view, as shown in the figure, the push rod 4 that six radial cross sections are T shape, with six engagement rollers 5, clutch rollers 3 with keep off roller ring 8 soon and roller 2, inverted cam axle 1 excircle is provided with six clockwise by the involute connected in star of height to low drop-out to uniform, engagement roller 5 passes the groove that the engaging hole that meshes on the roller ring 8 annular boss 8a is put into inverted cam axle 1, and engagement roller 5 radial outsides are disposed with T shape push rod 4, clutch roller 3 and keep off overdrive clutch gear 6 soon.
Fig. 3 is an engagement roller ring axial section structural representation of the present invention, and in conjunction with Fig. 2, engagement roller ring 8 cylindricals are provided with annular boss 8a, uniformly on the annular boss 8a circumference is provided with the radially engagement through hole 8b that 6 radial cross sections are T shape.
Fig. 4 be the inverted cam diameter of axle to the groove longitudinal section view, uniform six clockwise directions radial cross section from high to low that is provided with is the radial groove 1b of involute shape on inverted cam axle 1 excircle.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (4)
1. a cam push rod type gear overrunning clutch comprises driven shaft, it is characterized in that:
A. also comprise overdrive clutch gear (6), one with upper ejector pin (4), engagement roller (5), the axial cross section identical with push rod quantity be the fast gear shaft retainer ring (7) in a left side of T shape and right fast gear shaft retainer ring (7a), soon keep off overdrive clutch roller (3), be enclosed within engagement roller ring (8) on the inverted cam axle (1), keep off speed change roller (2) soon;
B. described driven shaft is inverted cam axle (1), uniformly on inverted cam axle (1) excircle be provided with identical with push rod (4) quantity and the corresponding to radial groove (1b) from high to low of inverted cam axle (1) sense of rotation, engagement roller ring (8) cylindrical is provided with ring annular boss (8a), uniformly on ring annular boss (8a) circumference be provided with the radially engagement through hole (8b) identical with push rod quantity, engagement roller (5) is put into the radial groove (1b) of inverted cam axle (1) by the engagement through hole, push rod (4) penetrates the engagement through hole on the engagement roller ring (8), withstand engagement roller (5), push rod (4) the other end withstands with overdrive clutch gear (6) and keeps surmounting the fast retaining overdrive clutch roller (3) that meshes contact condition;
C. fast gear shaft retainer ring (7) in a left side and right fast gear shaft retainer ring (7a) are arranged at push rod (4) respectively and keep off overdrive clutch roller (3) left and right sides soon in the outside mode of T shape end face, left and right fast gear shaft retainer ring cylindrical is held fast retaining overdrive clutch roller (3), cooperates by fast retaining speed change roller (2) rolling between interior circle and engagement roller ring (8) cylindrical.
2. cam push rod type gear overrunning clutch according to claim 1 is characterized in that: the radial cross section of described push rod (4) is a T shape, and the jogger hole radial cross section on the engagement roller ring (8) should be T shape with it relatively.
3. cam push rod type gear overrunning clutch according to claim 1 and 2 is characterized in that: the radial groove (1b) on the described inverted cam axle (1) is for seeing along clockwise direction involute shape from high to low from left to right.
4. cam push rod type gear overrunning clutch according to claim 1 and 2 is characterized in that: described engagement roller ring (8) left end is provided with spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100786989A CN101338799B (en) | 2007-07-06 | 2007-07-06 | Cam push rod type gear overrunning clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100786989A CN101338799B (en) | 2007-07-06 | 2007-07-06 | Cam push rod type gear overrunning clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101338799A CN101338799A (en) | 2009-01-07 |
| CN101338799B true CN101338799B (en) | 2010-06-23 |
Family
ID=40212935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100786989A Expired - Fee Related CN101338799B (en) | 2007-07-06 | 2007-07-06 | Cam push rod type gear overrunning clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101338799B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377217B (en) * | 2007-08-31 | 2010-10-13 | 西南大学 | Inner star wheel cam post rod type overrunning clutch |
| CN103557226B (en) * | 2013-11-07 | 2016-02-10 | 吉林大学 | A kind of combined variable displacement engine bent axle and camshaft matching used with it |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB435099A (en) * | 1935-04-16 | 1935-09-13 | Samuel Bartlett Mckenzie | Improvements in and relating to power transmission clutches |
| US6409001B1 (en) * | 1997-11-26 | 2002-06-25 | Ker-Train Holdings Ltd | Full-complement multi-directional coupling |
| CN2767749Y (en) * | 2005-01-26 | 2006-03-29 | 王月忠 | Roller type monodirectional device |
-
2007
- 2007-07-06 CN CN2007100786989A patent/CN101338799B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB435099A (en) * | 1935-04-16 | 1935-09-13 | Samuel Bartlett Mckenzie | Improvements in and relating to power transmission clutches |
| US6409001B1 (en) * | 1997-11-26 | 2002-06-25 | Ker-Train Holdings Ltd | Full-complement multi-directional coupling |
| CN2767749Y (en) * | 2005-01-26 | 2006-03-29 | 王月忠 | Roller type monodirectional device |
Non-Patent Citations (2)
| Title |
|---|
| JP昭59-144826A 1984.08.20 |
| JP特开平8-177888A 1996.07.12 |
Also Published As
| Publication number | Publication date |
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| CN101338799A (en) | 2009-01-07 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 |