CN108302131A - It is a kind of can axial rolling constant velocity shaft assembly - Google Patents
It is a kind of can axial rolling constant velocity shaft assembly Download PDFInfo
- Publication number
- CN108302131A CN108302131A CN201810335133.2A CN201810335133A CN108302131A CN 108302131 A CN108302131 A CN 108302131A CN 201810335133 A CN201810335133 A CN 201810335133A CN 108302131 A CN108302131 A CN 108302131A
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- China
- Prior art keywords
- shaft
- rollaway nest
- interior
- nest
- raceway
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- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
- F16D7/005—Slip couplings, e.g. slipping on overload, for absorbing shock the torque being transmitted and limited by rolling friction, e.g. ball bearings axially loaded
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses it is a kind of can axial rolling constant velocity shaft assembly, including inside and outside end fixing type equal speed universal joint and the shaft including interior rollaway nest shaft, retainer, multiple steel balls and outer rollaway nest shaft；The one end of inside and outside raceway shaft is separately connected outside, in the inner ring of inner end fixing type equal speed universal joint；The interior rollaway nest of interior rollaway nest shaft the other end and the outer rollaway nest of outer rollaway nest shaft the other end have multiple points of raceways of circumferential decile respectively；It is each to arrange the steel ball each point of raceway contact with the outer rollaway nest on each point of raceway and outer rollaway nest shaft of the interior rollaway nest of interior rollaway nest shaft respectively；There are steel ball blowout patche position limiting structure in axial sliding in the interior rollaway nest end of interior rollaway nest shaft and the outer rollaway nest end of outer rollaway nest shaft；The interior rollaway nest of interior rollaway nest shaft and the outer rollaway nest of outer rollaway nest shaft overlapped end part seal.The axial direction that the present invention significantly reduces derives from power GAF, and the vibration that vehicle generates in low speed accelerator is extremely low, sideway is minimum.
Description
Technical field
The invention belongs to auto parts and components field, be related to it is a kind of can axial rolling constant velocity shaft assembly.
Background technology
The high-performance constant velocity shaft assembly of passenger car is usually by fixed joint, sliding universal joint and connection
Jackshaft between universal joint is constituted.Generally there are three types of structures for jackshaft, and one is solid axle construction, are axis one is both ends
Centriciput is that hollow pipe, spindle nose and hollow pipe are attached using friction welding (FW).Also one is the axis using technique processing of swaging
Bar, centre are hollow structure, and each local wall thickness of entire shaft is different, and mid diameter is big, and wall thickness is small, and both ends diameter is small, wall thickness
Greatly.Sliding universal joint includes tripod and six ball-type, and tripod has the structure of various modifications, six ball-type mainly to have fork pockets
Formula and double eccentric-pieces.There are three ranks to vibrate for three ball pin style constant speed universal joint and cross groove type constant velocity joint, accelerates in vehicle low speed
In dither process, vehicle jitter problem can occur under specific engine speed and speed, in operator seat and co-driver, sense
Feel that sensitive driver and passenger can perceive.With automobile market mature, user gets over the NVH performance requirements of vehicle
Come it is higher, how preferably control vehicle avoid that apparent vehicle jitter problem occurs, be an important issue and need
Want key problems-solving.
Invention content
The purpose of the present invention is exactly to solve the above-mentioned problems in the prior art, provides a kind of vehicle and accelerated in low speed
The vibration that is generated in journey is extremely low, anti-jitter ability that sideway is minimum is strong can axial rolling constant velocity shaft assembly.
To achieve the above object, technical solution of the invention is：It is a kind of can axial rolling constant velocity shaft
Shaft that can be axially retractable among assembly, including inside and outside end fixing type equal speed universal joint and the two；The shaft includes
Interior rollaway nest shaft, retainer, multiple steel balls and outer rollaway nest shaft；Multiple steel balls are distributed multiple rows of and circumferentially distributed multiple row according to axial
Arrangement be evenly distributed in retainer；The outer end face of the one end of inside and outside raceway shaft be and outer, inner end fixed-type constant-velocity ten thousand
The involute spline to match to the inner ring of section is separately connected outside, in the inner ring of inner end fixing type equal speed universal joint；Interior rollaway nest
Promising each row's steel ball slides axially offer respectively for the interior rollaway nest of shaft the other end and the outer rollaway nest of outer rollaway nest shaft the other end
Multiple points of raceways of the circumferential decile of raceway；The interior rollaway nest of interior rollaway nest shaft is sleeved in the outer rollaway nest of outer rollaway nest shaft, retainer
Be placed between inside and outside raceway, it is each arrange steel ball respectively on each point of raceway and outer rollaway nest shaft of the interior rollaway nest of interior rollaway nest shaft
Each point of raceway contact of outer rollaway nest；The interior rollaway nest end of interior rollaway nest shaft and the outer rollaway nest end of outer rollaway nest shaft have steel ball axial
The retainer ring spacing structure of sliding；The interior rollaway nest of interior rollaway nest shaft and the outer rollaway nest of outer rollaway nest shaft overlapped end part seal.
It is further preferred that the interior rollaway nest of the interior rollaway nest shaft and the outer rollaway nest of outer rollaway nest shaft all use arc raceway
Or duplex circular ares profile race, radius of curvature are slightly larger than the radius of steel ball, the radius ratio of the radius and steel ball of circular arc or bicircular arcs is
1.003~1.005。
It is further preferred that protrusion has circular arc shaped rib on the inner wall at the retainer both ends, after assembly, this is arc-shaped convex
Rib is contacted with the outer cylinder of outer rollaway nest shaft, the outer wall of the retainer and the inner cylinder face clearance fit of interior rollaway nest shaft, this
Sample can both position when inside and outside raceway shaft slides relatively, and the frictional force of generation is again small, further reduced axial derivation power.
In addition, retainer surface is fixed with one layer of Friction-Reducing Coating, further bi-directional friction power when being axially moved.
It is further preferred that the interior rollaway nest shaft is using shaft of swaging, it is hollow among whole shaft, with outer end
The part shaft diameter of fixing type equal speed universal joint inner ring connection is small, and wall thickness is big；Interior rollaway nest is directly made by spinning process.
It is further preferred that the interior rollaway nest shaft uses friction welding shaft, with outer end fixing type equal speed universal joint
The end of inner ring connection is spindle nose, and middle section is the hollow pipe bigger than spindle nose diameter, the part for having interior rollaway nest of the other end
Friction welding is used with the pipe of middle section.
It is further preferred that the interior rollaway nest shaft uses assembly type shaft；During intermediate shaft and both ends shaft are all
Hollow structure, both ends shaft connect with intermediate shaft and are connected by spline fitted pair, and axial snap ring carries out axially position.
It is further preferred that overlapped that end is close for the outer rollaway nest of the interior rollaway nest of the interior rollaway nest shaft and outer rollaway nest shaft
Seal structure is：Should overlapped end sealed by O-ring seal or end-face seal ring seals.
It is further preferred that overlapped that end is close for the outer rollaway nest of the interior rollaway nest of the interior rollaway nest shaft and outer rollaway nest shaft
Seal structure is：Overlapped the end is sealed by the seal closure of inner end fixing type equal speed universal joint.
It is further preferred that the inner end fixing type equal speed universal joint maximum functional angle is no more than 26 °.
Both ends of the present invention all use fixing type equal speed universal joint, eliminate sliding universal joint, will be axially moved by sliding
It completes to be transferred to inside formula universal joint to complete by shaft, shaft is divided into the inside and outside raceway shaft for capableing of opposite sliding；This
It invents axial the power GAF, GAF of deriving from significantly reduced and reduces to 1/10 or less existing constant velocity shaft assembly；Vehicle
The vibration that is generated in low speed accelerator is extremely low, sideway is minimum, significantly reduces or eliminates since the axial power GAF that derives from causes
Vehicle jitter problem.
Description of the drawings
Fig. 1 is stretched to structural schematic diagram when maximum for the inside and outside raceway shaft of the first embodiment of the invention；
Fig. 2 is stretched to structural schematic diagram when maximum for the inside and outside raceway shaft of second of embodiment of the invention；
Fig. 3 is stretched to structural schematic diagram when maximum for the inside and outside raceway shaft of the third embodiment of the invention；
Fig. 4 is stretched to structural schematic diagram when maximum for the inside and outside raceway shaft of the 4th kind of embodiment of the invention；
Fig. 5 is the 4th kind of embodiment central shaft rod of the invention（When inside and outside raceway shaft is stretched to centre）Structural schematic diagram；
Fig. 6 is the front view of the interior rollaway nest shaft by sealing ring sealing in the present invention；
By the left view of the interior rollaway nest shaft of sealing ring sealing in Fig. 7 present invention；
Fig. 8 is the front view of the outer rollaway nest shaft by sealing ring sealing in the present invention；
By the left view of the outer rollaway nest shaft of sealing ring sealing in Fig. 9 present invention；
Figure 10 is the front view of retainer in the present invention；
Figure 11 is the left view of retainer in the present invention；
Figure 12 is the front view for the interior rollaway nest shaft that the seal closure in the present invention by inner end fixing type equal speed universal joint seals；
Figure 13 is the left view for the interior rollaway nest shaft that the seal closure in the present invention by inner end fixing type equal speed universal joint seals；
Figure 14 is the front view for the outer rollaway nest shaft that the seal closure in the present invention by inner end fixing type equal speed universal joint seals；
Figure 15 is the left view for the outer rollaway nest shaft that the seal closure in the present invention by inner end fixing type equal speed universal joint seals.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments.
Embodiment 1 as shown in Fig. 1, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, the present embodiment include that inside and outside end is fixed
Shaft that can be axially retractable among formula constant velocity cardan joint 9,1 and the two.The shaft includes interior rollaway nest shaft 3, keeps
Frame 6, multiple steel balls 5 and outer rollaway nest shaft 8.Multiple steel balls 5 are multiple rows of according to axial distribution（The present embodiment is 10 rows）With circumferential point
Cloth multiple row（The present embodiment is 6 row）Arrangement be evenly distributed in retainer 6.The outer end of the one end of inside and outside raceway shaft 3,8
Face is the involute spline to match with outer, inner end fixing type equal speed universal joint 1,9 inner ring, be separately connected outside, inner end it is solid
In the inner ring of fixed pattern constant velocity cardan joint 1,9.8 the other end of interior rollaway nest and outer rollaway nest shaft of 3 the other end of interior rollaway nest shaft
Outer rollaway nest respectively promising each row's steel ball 5 slide axially provide raceway circumferential decile multiple points of raceways 22 and 23.Interior rollaway nest axis
The interior rollaway nest of bar 3 is sleeved in the outer rollaway nest of outer rollaway nest shaft 8, and retainer 6 is placed between inside and outside raceway, it is each arrange steel ball 5 respectively with
Each point of raceway of the interior rollaway nest of interior rollaway nest shaft 3 and each point of raceway contact of the outer rollaway nest on outer rollaway nest shaft 8.Interior rollaway nest shaft
There are steel ball retainer ring spacing structure in axial sliding, the retainer ring spacing in 3 interior rollaway nest end and the outer rollaway nest end of outer rollaway nest shaft 8
Structure is：The interior rollaway nest end of interior rollaway nest shaft 3 and the outer rollaway nest end of outer rollaway nest shaft 8 have 11 He of annular slot
12；The different baffle ring 20,21 of two diameters is fixed on respectively in annular slot 11 and 12；Two baffle rings, 20,21 pairs of steel balls 5
It slides axially and is limited.Preferably, protrusion has circular arc shaped rib 13 on the inner wall at 6 both ends of the retainer, after assembly,
The circular arc shaped rib 13 is contacted with the outer cylinder of outer rollaway nest shaft 8, the inner prop of the outer wall and interior rollaway nest shaft 3 of the retainer 6
Face clearance fit；6 surface of retainer is fixed with one layer of Friction-Reducing Coating.The interior rollaway nest shaft 3 uses assembly type shaft；It is intermediate
Shaft 10 and both ends shaft 2,4 are all hollow structure, and the connection of both ends shaft 2,4 and intermediate shaft 10 is coordinated by spline pair to be connected
It connects, axial snap ring 25 carries out axially position.The interior rollaway nest of the interior rollaway nest shaft 3 and the outer rollaway nest of outer rollaway nest shaft 8 all use
Arc raceway or duplex circular ares profile race, radius of curvature are slightly larger than the radius of steel ball 5, and the half of the radius and steel ball of circular arc or bicircular arcs
Diameter ratio is 1.003 ~ 1.005.The 9 maximum functional angle of inner end fixing type equal speed universal joint is no more than 26 °.Interior rollaway nest shaft
3 interior rollaway nest and the outer rollaway nest of outer rollaway nest shaft 8 overlapped end part seal：Its structure is, should overlapped end by O-ring seal
7 sealings（End-face seal ring sealing can also be used）, 24 be the receiving position of O-ring seal 7 on interior rollaway nest shaft 3.
Embodiment 2 as shown in Fig. 2, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, the other structures of the present embodiment are the same as implementation
Example 1, only interior rollaway nest shaft 3 is hollow among whole shaft, with outer end fixing type equal speed universal joint 1 using shaft of swaging
15 diameter of part shaft of inner ring connection is small, and wall thickness is big；Interior rollaway nest is directly made by spinning process.
The embodiment 3 as shown in 3, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, the same embodiment of other structures of the present embodiment
1, only the interior rollaway nest shaft 3 is using friction welding shaft, the end being connect with 1 inner ring of outer end fixing type equal speed universal joint
For spindle nose 18, middle section 16 is the big pipe of hollow ratio 18 diameters of spindle nose, the part 17 and centre for having interior rollaway nest of the other end
The pipe of part 16 uses friction welding.
Such as Fig. 4, Fig. 5, Figure 12, Figure 13, Figure 14 and embodiment shown in figure 15 4, the other structures of the present embodiment are the same as implementation
Example 3, only outer rollaway nest shaft 8 is shorter；Overlapped that there is sealing in end with outer rollaway nest shaft 8 on the outer cylinder of interior rollaway nest shaft 3
Cover the interior clamping friction tongue and groove 19 of 14 small nose circles；The interior rollaway nest and the outer rollaway nest of outer rollaway nest shaft 8 of the interior rollaway nest shaft 3 are taken
The structure of the end part seal connect is, should be sealed by the seal closure 14 of inner end fixing type equal speed universal joint 9 outside overlapped end.
Embodiment described above be only preferably with example shape, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. it is a kind of can axial rolling constant velocity shaft assembly, which is characterized in that it is universal including inside and outside end fixed-type constant-velocity
Shaft that can be axially retractable among section and the two；The shaft includes interior rollaway nest shaft, retainer, multiple steel balls and outer
Raceway shaft；Multiple steel balls are evenly distributed on according to the axial arrangement for being distributed multiple rows of and circumferentially distributed multiple row in retainer；It is inside and outside
The outer end face of the one end of raceway shaft is the involute spline to match with outer, inner end fixing type equal speed universal joint inner ring,
It is separately connected outside, in the inner ring of inner end fixing type equal speed universal joint；The interior rollaway nest and outer rollaway nest of interior rollaway nest shaft the other end
The outer rollaway nest of shaft the other end respectively promising each row's steel ball slide axially provide raceway circumferential decile multiple points of raceways；It is interior
The interior rollaway nest of raceway shaft is sleeved in the outer rollaway nest of outer rollaway nest shaft, and holding is placed between inside and outside raceway, each to arrange steel ball difference
With each point of raceway contact of the outer rollaway nest on each point of raceway and outer rollaway nest shaft of the interior rollaway nest of interior rollaway nest shaft；Interior rollaway nest shaft
Interior rollaway nest end and the outer rollaway nest end of outer rollaway nest shaft have steel ball retainer ring spacing structure in axial sliding；Interior rollaway nest shaft
The outer rollaway nest of interior rollaway nest and outer rollaway nest shaft overlapped end part seal.
2. it is according to claim 1 can axial rolling constant velocity shaft assembly, which is characterized in that the interior rolling
Road shaft is part that is hollow, being connect with outer end fixing type equal speed universal joint inner ring among whole shaft using shaft of swaging
Shaft diameter is small, and wall thickness is big；Interior rollaway nest is directly made by spinning process.
3. it is according to claim 1 can axial rolling constant velocity shaft assembly, which is characterized in that the interior rolling
It is spindle nose that road shaft, which uses friction welding shaft, the end being connect with outer end fixing type equal speed universal joint inner ring, and middle section is
The hollow pipe bigger than spindle nose diameter, the other end have the part of interior rollaway nest to use friction welding with the pipe of middle section.
4. it is according to claim 1 can axial rolling constant velocity shaft assembly, which is characterized in that the interior rolling
Road shaft uses assembly type shaft；Intermediate shaft and both ends shaft are all hollow structure, and both ends shaft connect logical with intermediate shaft
The mating connection of spline fitted pair is crossed, axial snap ring carries out axially position.
5. according to one of them in Claims 1-4 can axial rolling constant velocity shaft assembly, feature exists
In the interior rollaway nest of the interior rollaway nest shaft and the outer rollaway nest of outer rollaway nest shaft all use arc raceway or duplex circular ares profile race, bent
Rate radius is slightly larger than the radius of steel ball, and the radius ratio of the radius and steel ball of circular arc or bicircular arcs is 1.003 ~ 1.005.
6. according to one of them in claim 5 can axial rolling constant velocity shaft assembly, which is characterized in that
Protrusion has circular arc shaped rib on the inner wall at the retainer both ends, after assembly, the column jacket of the circular arc shaped rib and outer rollaway nest shaft
Face contacts, the outer wall of the retainer and the inner cylinder clearance fit of interior rollaway nest shaft.
7. it is according to claim 6 can axial rolling constant velocity shaft assembly, which is characterized in that the holding
Frame surface is fixed with one layer of Friction-Reducing Coating.
8. it is according to claim 7 can axial rolling constant velocity shaft assembly, which is characterized in that the inner end
Fixing type equal speed universal joint maximum functional angle is no more than 26 °.
9. it is according to claim 8 can axial rolling constant velocity shaft assembly, which is characterized in that the interior rolling
Overlapped that end seal structure is for the outer rollaway nest of the interior rollaway nest of road shaft and outer rollaway nest shaft：Should overlapped end by O-shaped sealing
Circle sealing or end-face seal ring sealing.
10. it is according to claim 8 can axial rolling constant velocity shaft assembly, which is characterized in that described is interior
Overlapped that end seal structure is for the outer rollaway nest of the interior rollaway nest of raceway shaft and outer rollaway nest shaft：It should overlapped that end is consolidated by inner end
The seal closure of fixed pattern constant velocity cardan joint seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335133.2A CN108302131A (en) | 2018-04-15 | 2018-04-15 | It is a kind of can axial rolling constant velocity shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335133.2A CN108302131A (en) | 2018-04-15 | 2018-04-15 | It is a kind of can axial rolling constant velocity shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108302131A true CN108302131A (en) | 2018-07-20 |
Family
ID=62847397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810335133.2A Pending CN108302131A (en) | 2018-04-15 | 2018-04-15 | It is a kind of can axial rolling constant velocity shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108302131A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821978A (en) * | 2019-12-18 | 2020-02-21 | 耐世特凌云驱动系统(涿州)有限公司 | Eight steel ball rzeppa constant velocity joints of wide-angle high efficiency |
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| CN202228553U (en) * | 2011-10-12 | 2012-05-23 | 浙江向隆机械有限公司 | Constant speed drive shaft |
| DE102010036989A1 (en) * | 2010-08-13 | 2012-09-13 | Gkn Driveline Deutschland Gmbh | Multipart driveshaft assembly for use in drive train of motor car, has shaft pin rotatably mounted around rotatable axis in intermediate bearing that is arranged between constant velocity joint and longitudinal displacement unit |
| CN202867607U (en) * | 2012-09-05 | 2013-04-10 | 镇江宇航重工机械有限公司 | Ball spline type ball cage constant speed universal coupling |
| CN202986677U (en) * | 2012-12-07 | 2013-06-12 | 温州市冠盛汽车零部件集团股份有限公司 | Semi-axis sliding driving shaft assembly with fixed dust-proof sleeves |
| CN205064558U (en) * | 2015-09-21 | 2016-03-02 | 宁波珈多利机械有限公司 | Universal joint connecting rod of automatic shrink of axial |
| CN206246555U (en) * | 2016-08-22 | 2017-06-13 | 杭州鑫凯传动机械有限公司 | Slide flange-type cage |
| KR20170142735A (en) * | 2016-06-20 | 2017-12-28 | 이래에이엠에스 주식회사 | Plunging assembly for driveshaft and driveshaft including same |
| CN208734754U (en) * | 2018-04-15 | 2019-04-12 | 耐世特凌云驱动系统(涿州)有限公司 | It is a kind of can axial rolling constant velocity shaft assembly |
-
2018
- 2018-04-15 CN CN201810335133.2A patent/CN108302131A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010036989A1 (en) * | 2010-08-13 | 2012-09-13 | Gkn Driveline Deutschland Gmbh | Multipart driveshaft assembly for use in drive train of motor car, has shaft pin rotatably mounted around rotatable axis in intermediate bearing that is arranged between constant velocity joint and longitudinal displacement unit |
| CN202228553U (en) * | 2011-10-12 | 2012-05-23 | 浙江向隆机械有限公司 | Constant speed drive shaft |
| CN202867607U (en) * | 2012-09-05 | 2013-04-10 | 镇江宇航重工机械有限公司 | Ball spline type ball cage constant speed universal coupling |
| CN202986677U (en) * | 2012-12-07 | 2013-06-12 | 温州市冠盛汽车零部件集团股份有限公司 | Semi-axis sliding driving shaft assembly with fixed dust-proof sleeves |
| CN205064558U (en) * | 2015-09-21 | 2016-03-02 | 宁波珈多利机械有限公司 | Universal joint connecting rod of automatic shrink of axial |
| KR20170142735A (en) * | 2016-06-20 | 2017-12-28 | 이래에이엠에스 주식회사 | Plunging assembly for driveshaft and driveshaft including same |
| CN206246555U (en) * | 2016-08-22 | 2017-06-13 | 杭州鑫凯传动机械有限公司 | Slide flange-type cage |
| CN208734754U (en) * | 2018-04-15 | 2019-04-12 | 耐世特凌云驱动系统(涿州)有限公司 | It is a kind of can axial rolling constant velocity shaft assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821978A (en) * | 2019-12-18 | 2020-02-21 | 耐世特凌云驱动系统(涿州)有限公司 | Eight steel ball rzeppa constant velocity joints of wide-angle high efficiency |
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