CN214367375U - Improved generation freewheel clutch assembly - Google Patents
Improved generation freewheel clutch assembly Download PDFInfo
- Publication number
- CN214367375U CN214367375U CN202022937884.7U CN202022937884U CN214367375U CN 214367375 U CN214367375 U CN 214367375U CN 202022937884 U CN202022937884 U CN 202022937884U CN 214367375 U CN214367375 U CN 214367375U
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- CN
- China
- Prior art keywords
- input shaft
- clutch assembly
- middle input
- fixedly arranged
- inner ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The utility model discloses an improved generation freewheel clutch assembly, including middle input shaft, middle input shaft one side is through a plurality of bolts, nut fixedly connected with inner ring cam, the outer loop cam external fixation is provided with outer ring gear, fixed cylindrical roller bearing and the third ball bearing of being provided with between outer ring gear and the middle input shaft to form a rotatable whole relatively, middle input shaft outer wall is the fixed first ball bearing that is provided with in the cylindrical roller bearing outside, middle input shaft outer wall is fixed the jump ring groove of having seted up between cylindrical roller bearing and first ball bearing. The utility model discloses an improved generation freewheel clutch assembly can avoid appearing outer ring gear and NJ210 bearing and can follow middle input shaft spline end roll-off, leads to the phenomenon that inside roller, spring holder and spring drop, prevents that freewheel clutch assembly from becoming invalid and scrapping, makes stability, the support nature of this assembly better simultaneously, and the structure is compacter, and the transmission is more steady.
Description
Technical Field
The utility model relates to a clutch technical field especially relates to an improved generation freewheel clutch assembly.
Background
The overrunning clutch assembly is a clutch which utilizes the wedging action of a sliding column and an inner ring cam to transmit motion or torque in a single direction, is an important component of a loader gearbox, and the key part spring seat of the overrunning clutch assembly is required to have high pollution resistance.
The existing overrunning clutch assembly has obvious defects, because the input shaft and the input gear have accumulated errors in the processing process, and the individual and material performance difference of the mutually fixed connecting parts and the problems of reasonability, reliability and stability of the connecting structure of the spline type connecting device of the gear and the shaft cause certain uncertainty of the stability of connection and fixation, when the shaft head has large bounce after the assembly of the overrunning clutch assembly, the matched part of the shaft head and the journal of a box body rotates, abnormal abrasion occurs, the lubricating oil pressure of a gearbox is reduced, the operation stability is reduced, the failure of the overrunning clutch assembly can be caused, and in the assembling, maintaining and disassembling processes of the overrunning clutch assembly, the outer ring gear and an NJ210 bearing can slide out along the spline end of the middle input shaft, the inner roller and the spline end of the NJ210 bearing can slide out, and the internal roller, The spring seat and the spring fall off, so that the overrunning clutch assembly is invalid and scrapped.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an improved overrunning clutch assembly.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an improved overrunning clutch assembly comprises a middle input shaft, wherein one side of the middle input shaft is fixedly connected with an inner ring cam through a plurality of bolts and nuts, an outer ring gear is fixedly arranged outside the inner ring cam, a cylindrical roller bearing and a third ball bearing are fixedly arranged between the outer ring gear and the middle input shaft and form a relatively rotatable whole, a first ball bearing is fixedly arranged on the outer wall of the middle input shaft outside the cylindrical roller bearing, a clamp spring groove is fixedly arranged on the outer wall of the middle input shaft between the cylindrical roller bearing and the first ball bearing, a shaft elastic check ring is fixedly arranged inside the clamp spring groove, a plurality of inclined plane tooth grooves are milled on the outer circumferential surface of the inner ring cam, rollers are arranged in wedge-shaped cavities formed by the inclined plane tooth grooves and the inner circumferential surface of the outer ring gear, and a roller left check ring is fixedly arranged on the left side of the plurality of the rollers, and the right sides of the rollers are fixedly provided with right roller check rings, small holes are drilled in a plurality of inclined plane tooth grooves on the outer circumference of the inner ring cam, a plurality of spring seats are fixedly arranged in the small holes, and springs are fixedly arranged in the spring seats.
As a further description of the above technical solution:
and a middle oil hole is formed in the middle input shaft in a penetrating manner.
As a further description of the above technical solution:
and an isolating sleeve is fixedly arranged between the cylindrical roller bearing and the third ball bearing, and one end, close to the third ball bearing, of the outer wall of the isolating sleeve is fixedly provided with a check ring for holes.
As a further description of the above technical solution:
and a first oil hole is fixedly formed in the position, close to the hole retainer ring, of the middle input shaft.
As a further description of the above technical solution:
and the outer wall of the end part of the middle input shaft is fixedly connected with a second ball bearing.
As a further description of the above technical solution:
the middle input shaft and the inner ring cam are fixedly connected through a plurality of connecting bolts and fixing nuts.
As a further description of the above technical solution:
a plurality of pins are fixedly arranged inside the periphery of the inner ring cam.
As a further description of the above technical solution:
and a second oil hole which is obliquely arranged is fixedly formed in the position, close to the isolation sleeve, of the inner ring cam.
As a further description of the above technical solution:
an oil groove with the width of 1.5mm and the length of 7mm is fixedly formed in the side wall of the spring seat, and a third oil hole with the diameter phi of 2.2mmm and the depth of 3.5mm is fixedly formed in the middle of the spring seat.
The utility model discloses following beneficial effect has:
the utility model provides an improved generation freewheel clutch assembly, through division jump ring groove on the middle input shaft, and use the axle to fix a position with circlip, avoid appearing outer ring gear and NJ210 bearing and can follow middle input shaft spline end roll-off, lead to inside roller, the phenomenon that spring holder and spring drop, prevent that freewheel clutch assembly from becoming invalid and scrapping, and simultaneously, adopt the cylinder roller bearing that the bearing capacity is bigger, the relative ball bearing area of contact of cylinder roller bearing is longer, in the time of outer ring gear atress, stability, the support nature is better, outer ring gear is avoided appearing, the possibility of roller beat, improve torque output's stationarity.
The utility model provides an improved generation freewheel clutch assembly, adopt diameter 20's roller to replace original diameter 15 rollers, increase the diameter of roller, the bearing capacity of assembly has been improved, and under the condition that does not influence external connection size, corresponding adjustment has also been done to the annular ring and the exterior structure of outer loop gear, make the freewheel clutch assembly after improving, bearing capacity is bigger, work is more steady, adopt NJ type bearing, can adapt to the change of axle and shell relative position because of thermal energy or installation error arouse, guarantee that the transmission is more reliable, and is steady.
The utility model provides an improved generation freewheel clutch assembly, inside adoption screw thread and round pin connection replace traditional screw thread connection, and the structure is compacter, and the transmission is more steady, avoids starting in the twinkling of an eye, produces the shearing force on the screw thread, influences driven reliability.
Drawings
Fig. 1 is a schematic view of a main structure of an improved overrunning clutch assembly according to the present invention;
FIG. 2 is a schematic view of the spring seat and spring assembly of an improved overrunning clutch assembly according to the present invention;
FIG. 3 is an enlarged view of FIG. 1-A in accordance with the present invention;
fig. 4 is a schematic diagram of a spring seat structure of an improved overrunning clutch assembly according to the present invention.
Illustration of the drawings:
1. an intermediate input shaft; 2. a middle oil hole; 3. an inner ring cam; 4. an outer ring gear; 5. a cylindrical roller bearing; 6. a first ball bearing; 7. a first oil hole; 8. a retainer ring for a bore; 9. a second ball bearing; 10. a connecting bolt; 11. fixing a nut; 12. a roller left retainer ring; 13. a roller; 14. a roller right retainer ring; 15. an inclined plane gullet; 16. a small hole; 17. a spring seat; 18. a spring; 19. a pin; 20. a third ball bearing; 21. an isolation sleeve; 22. a second oil hole; 23. a clamp spring groove; 24. a circlip for the shaft; 25. an oil sump; 26. and a third oil hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: an improved overrunning clutch assembly comprises a middle input shaft 1, an inner ring cam 3 is fixedly connected to one side of the middle input shaft 1 through a plurality of bolts and nuts, an outer ring gear 4 is fixedly arranged outside the inner ring cam 3, a cylindrical roller bearing 5 and a third ball bearing 20 are fixedly arranged between the outer ring gear 4 and the middle input shaft 1 and form a relatively rotatable whole, a first ball bearing 6 is fixedly arranged on the outer wall of the middle input shaft 1 outside the cylindrical roller bearing 5, a clamp spring groove 23 is fixedly arranged on the outer wall of the middle input shaft 1 between the cylindrical roller bearing 5 and the first ball bearing 6, an elastic check ring 24 for a shaft is fixedly arranged inside the clamp spring groove 23, a plurality of inclined plane tooth grooves 15 are milled on the outer circumferential surface of the inner ring cam 3, rollers 13 are arranged in wedge-shaped cavities formed by the inclined plane tooth grooves 15 and the inner circumferential surface of the outer ring gear 4, a left check ring 12 for the rollers is fixedly arranged on the left side of the plurality of the rollers 13, a roller right retainer ring 14 is fixedly arranged on the right side of the plurality of rollers 13, small holes 16 are drilled in a plurality of inclined plane tooth grooves 15 on the outer circumference of the inner ring cam 3, spring seats 17 are fixedly arranged in the small holes 16, and springs 18 are fixedly arranged in the spring seats 17.
The middle oil hole 2 is formed in the middle of the middle input shaft 1 in a penetrating mode, an isolation sleeve 21 is fixedly arranged between the cylindrical roller bearing 5 and the third ball bearing 20, one end, close to the third ball bearing 20, of the outer wall of the isolation sleeve 21 is fixedly provided with a hole check ring 8, the position, close to the hole check ring 8, of the middle input shaft 1 is fixedly provided with a first oil hole 7, the outer wall of the end portion of the middle input shaft 1 is fixedly connected with a second ball bearing 9, the middle input shaft 1 and the inner ring cam 3 are fixedly connected through a plurality of connecting bolts 10 and fixing nuts 11, a plurality of pins 19 are fixedly arranged inside the periphery of the inner ring cam 3, the position, close to the isolation sleeve 21, of the inner ring cam 3 is fixedly provided with a second oil hole 22 which is obliquely arranged, the side wall of the spring seat 17 is fixedly provided with an oil groove 25 which is 1.5mm wide and 7mm long, and the middle of the spring seat 17 is fixedly provided with a third oil hole 26 which is 2.2mm in diameter and 3.5mm deep.
The working principle is as follows: when the improved overrunning clutch assembly is used, when the middle input shaft 1 rotates anticlockwise, namely the inner ring cam 3 rotates forward relative to the outer ring gear 4, the roller 13 presses the spring 18 and the spring seat 17 under the action of friction force, the roller is wedged at the narrow groove part between the inner ring cam 3 and the outer ring gear 4 and drives the outer ring gear 4 to rotate simultaneously, so that the clutch is jointed, when the middle input shaft 1 rotates clockwise, namely the inner ring cam 3 rotates reversely relative to the outer ring gear 4, due to the action of friction force, the spring 18 pushes the spring seat 17 to push the roller 13 to the wide groove part between the inner ring cam 3 and the outer ring gear 4, the inner ring cam 3 and the outer ring gear 4 are separated, so that the clutch is separated, when the outer ring gear 4 is driven by the gearbox gear to rotate in the same direction with the middle input shaft 1, if the rotating speed of the outer ring gear 4 is higher than that of the middle input shaft 1, the clutch then autosegregation, set up jump ring groove 23 on middle input shaft 1, and use the axle to fix a position with circlip 24, avoid appearing outer ring gear 4 and NJ210 bearing and can follow middle input shaft 1 spline end roll-off, lead to inside roller 13, the phenomenon that spring holder 17 and spring 18 drop, prevent that the freewheel clutch assembly from becoming invalid and scrapped, adopt the cylinder roller bearing 5 that the bearing capacity is bigger, the cylinder roller bearing 5 is longer relative to ball bearing area of contact, when outer ring gear 4 atress, stability, the support nature is better, avoid appearing outer ring gear 4, the possibility of roller 13 beat, improve torque output's stationarity.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (9)
1. An improved overrunning clutch assembly comprising an intermediate input shaft (1), characterized in that: the inner ring gear is characterized in that an inner ring cam (3) is fixedly connected to one side of the middle input shaft (1) through a plurality of bolts and nuts, an outer ring gear (4) is fixedly arranged on the outer portion of the inner ring cam (3), a cylindrical roller bearing (5) and a third ball bearing (20) are fixedly arranged between the outer ring gear (4) and the middle input shaft (1), a relatively rotatable whole is formed, a first ball bearing (6) is fixedly arranged on the outer wall of the middle input shaft (1) outside the cylindrical roller bearing (5), a clamp spring groove (23) is fixedly formed in the outer wall of the middle input shaft (1) between the cylindrical roller bearing (5) and the first ball bearing (6), an elastic check ring (24) for a shaft is fixedly arranged in the clamp spring groove (23), a plurality of inclined plane tooth grooves (15) are milled in the outer circumferential surface of the inner ring cam (3), and a plurality of roller rollers (13) are arranged in wedge-shaped cavities formed by the inclined plane tooth grooves (15) and the inner circumferential surface of the outer ring gear (4) ) The inner ring cam is characterized in that a roller left retainer ring (12) is fixedly arranged on the left side of the roller (13), a roller right retainer ring (14) is fixedly arranged on the right side of the roller (13), small holes (16) are drilled in a plurality of inclined plane tooth grooves (15) on the outer circumference of the inner ring cam (3), a spring seat (17) is fixedly arranged in each small hole (16), and a spring (18) is fixedly arranged in each spring seat (17).
2. An improved overrunning clutch assembly according to claim 1 wherein: the middle input shaft (1) is internally provided with a middle oil hole (2) in a through mode.
3. An improved overrunning clutch assembly according to claim 1 wherein: an isolating sleeve (21) is fixedly arranged between the cylindrical roller bearing (5) and the third ball bearing (20), and a hole retainer ring (8) is fixedly arranged at one end, close to the third ball bearing (20), of the outer wall of the isolating sleeve (21).
4. An improved overrunning clutch assembly according to claim 1 wherein: and a first oil hole (7) is fixedly formed in the position, close to the hole retainer ring (8), of the middle input shaft (1).
5. An improved overrunning clutch assembly according to claim 1 wherein: and the outer wall of the end part of the middle input shaft (1) is fixedly connected with a second ball bearing (9).
6. An improved overrunning clutch assembly according to claim 1 wherein: the middle input shaft (1) and the inner ring cam (3) are fixedly connected through a plurality of connecting bolts (10) and fixing nuts (11).
7. An improved overrunning clutch assembly according to claim 1 wherein: the inner ring cam (3) is fixedly provided with a plurality of pins (19) in the periphery.
8. An improved overrunning clutch assembly according to claim 1 or 3 wherein: and a second oil hole (22) which is obliquely arranged is fixedly formed in the position, close to the isolation sleeve (21), of the inner ring cam (3).
9. An improved overrunning clutch assembly according to claim 1 or 3 wherein: an oil groove (25) with the width of 1.5mm and the length of 7mm is fixedly formed in the side wall of the spring seat (17), and a third oil hole (26) with the diameter phi of 2.2mmm and the depth of 3.5mm is fixedly formed in the middle of the spring seat (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022937884.7U CN214367375U (en) | 2020-12-10 | 2020-12-10 | Improved generation freewheel clutch assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022937884.7U CN214367375U (en) | 2020-12-10 | 2020-12-10 | Improved generation freewheel clutch assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214367375U true CN214367375U (en) | 2021-10-08 |
Family
ID=77982253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022937884.7U Expired - Fee Related CN214367375U (en) | 2020-12-10 | 2020-12-10 | Improved generation freewheel clutch assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214367375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017449A (en) * | 2021-11-03 | 2022-02-08 | 泉州恒毅机械有限公司 | Bidirectional overrunning clutch and transmission mode |
-
2020
- 2020-12-10 CN CN202022937884.7U patent/CN214367375U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017449A (en) * | 2021-11-03 | 2022-02-08 | 泉州恒毅机械有限公司 | Bidirectional overrunning clutch and transmission mode |
| CN114017449B (en) * | 2021-11-03 | 2024-05-17 | 泉州恒毅机械有限公司 | Bidirectional overrunning clutch and transmission mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 Termination date: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |