CN209012283U - Three ball pin style constant speed universal joint - Google Patents
Three ball pin style constant speed universal joint Download PDFInfo
- Publication number
- CN209012283U CN209012283U CN201790000546.4U CN201790000546U CN209012283U CN 209012283 U CN209012283 U CN 209012283U CN 201790000546 U CN201790000546 U CN 201790000546U CN 209012283 U CN209012283 U CN 209012283U
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- China
- Prior art keywords
- outer ring
- roller track
- lateral surface
- axle journal
- constant speed
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Classifications
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- 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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/12—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted for accumulation of energy to absorb shocks or vibration
-
- 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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
-
- 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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/221—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being located in sockets in one of the coupling parts
-
- 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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The three ball pin style constant speed universal joint of the utility model includes: external head, has the chamber extended along its length and three roller tracks;Inscribed head, three axle journals for having centerbody and being protruded in the centerbody along radial direction;And three idler wheel assemblies, it is fastened respectively to three axle journals and is respectively arranged at three roller tracks.The idler wheel assembly includes the inner ring for being anchored on the axle journal, with around the inner ring and the outer ring that the mode opposed with the side of the roller track configures and the bearing being configured between the inner ring and the outer ring.The side of the roller track is formed as convex, and the lateral surface of the outer ring is corresponding with the side of the convex of the roller track and is formed as concavity.
Description
Technical field
The utility model relates to a kind of three ball pin style constant speed universal joints for being used in vehicle.
Background technique
There is vehicle necessary vibration and noise regulation to need to improve the GAF and NVH of vehicle to meet the regulation
Energy.
The output power of the speed changer of vehicle is transferred to drive shaft assembly (the drive shaft of driving wheel
Assembly) (or half axle assembly (half shaft assembly)) is also one of induced vibration and the component of noise, and is needed
It will be in the noise of drive shaft and vibration regulation in the desired range.
The constant velocity cardan joint that drive shaft assembly has in its two sides by drive shaft and respectively is constituted.At this point, claiming to be configured at change
The constant velocity cardan joint of fast device side is inner constant velocity joint, and the constant velocity cardan joint for being configured at driven wheel side is referred to as outside constant velocity universal
Section, it is main to use the three ball pin style constant speed universal joint for being able to carry out axial displacement as inner constant velocity joint.
Three ball pin style constant speed universal joint includes that the inscribed head for having three axle journals, the idler wheel for being assembled in axle journal respectively are total
At and accommodate idler wheel assembly external head.At this point, the idler wheel assembly of various structures is described, as its an example, by inner ring
(inner ring), Needle bearing (needle outer ring (outer ring) and be configured between these inner ring and outer ring
Bearing the idler wheel assembly) constituted is known.
The vibration and noise for reducing previous three ball pin style constant speed universal joint becomes main technical problem.
Existing technical literature 1: Korean Patent Laid 10-2017-0068498 (publication date: on 07 02nd, 2007)
Existing technical literature 2: Japanese Laid-Open Patent Publication Laid-Open 2006-162056 (publication date: on 06 22nd, 2006)
Existing technical literature 3: Korean Patent Laid 10-2004-0036572 (publication date: 04 month 2004 30
Day)).
Utility model content
Technical task
The utility model exports in order to solve the above problem, and the project that the utility model aims to solve the problem that is, provides one kind
It is capable of the three ball pin style constant speed universal joint of effectively regulation noise and vibration.
Technical solution
The three ball pin style constant speed universal joint of the embodiments of the present invention includes: external head, is had along its length
The chamber of extension and three roller tracks;Inscribed head, three for having centerbody and being protruded in the centerbody along radial direction
Axle journal;And three idler wheel assemblies, it is fastened respectively to three axle journals and is respectively arranged at three roller tracks.It is described
Idler wheel assembly includes the inner ring for being anchored on the axle journal, to surround the inner ring and the mode opposed with the side of the roller track
The outer ring of configuration and the bearing being configured between the inner ring and the outer ring.The side of the roller track is formed as convex,
The lateral surface of the outer ring is corresponding with the side of the convex of the roller track and is formed as concavity.
It can be, the side of the lateral surface of the outer ring and the roller track is formed as the two-point contact on section.
It can be, be formed as existing in the position that the lateral surface of the outer ring and the side of the roller track contact with each other and swim
Gap (clearance) has a rounded portion in the radial direction inner side and outer side end of the lateral surface of the outer ring respectively, and
The radial direction inner side and outer side end of the side of the roller track opposed with the rounded portion has planar section respectively,
Spacing between the rounded portion and the planar section is formed larger than the clearance.
It can be, the top surface of the roller track is formed as concavity.
It can be, the lateral surface of the axle journal is formed as curved surface, by the of the center of curvature of the lateral surface of the axle journal
One Central Line relative to by the roller track side the center of curvature length direction from the second Central Line to the axle journal
Outside biases (offset).
On the other hand, the three ball pin style constant speed universal joint of another embodiment of the utility model includes: external head, tool
The standby chamber and three roller tracks extended along its length;Inscribed head, has centerbody and in the centerbody along radius side
To three axle journals of protrusion;And three idler wheel assemblies, it is fastened respectively to three axle journals and is respectively arranged at described three
A roller track, the idler wheel assembly include the inner ring for being anchored on the axle journal, with around the inner ring and with the roller track
The outer ring that the opposed mode in side configures and the Needle bearing being configured between the inner ring and the outer ring.The idler wheel
The side of rail is formed as convex, and the lateral surface of the outer ring is corresponding with the side of the convex of the roller track and is formed as concavity.
The side of the lateral surface of the outer ring and the roller track is formed as the two-point contact on section.The lateral surface shape of the axle journal
As the curved surface including convex, the medial surface of the inner ring is corresponding with the lateral surface of the convex of the axle journal and is formed as including recessed
The curved surface of shape.The medial surface of the lateral surface of the inner ring and the outer ring is formed as respectively including cylinder shape, the Needle bearing
By respectively with the inside face contact of the cylinder shape of the lateral surface of the cylinder shape of the inner ring and the outer ring in a manner of be situated between and be institute
It states between inner ring and the outer ring, the outer ring and the Needle bearing can be along the side of the length direction with the axle journal side by side
To relative movement.By the lateral surface of the axle journal the center of curvature while perpendicular to the axle journal length direction first
Perpendicular to the of the length direction of the axle journal while Central Line is relative to the center of curvature by the side of the roller track
Length direction outside biasing of two Central Lines to the axle journal.
The effect of utility model
According to the utility model, the side of roller track is formed as convex, the side of the convex of the lateral surface and roller track of outer ring
Face is corresponding and is formed as concavity, reduces noise and vibration so as to limit the movement of outer ring.
Detailed description of the invention
Fig. 1 is the perspective view schematically of the three ball pin style constant speed universal joint of the embodiments of the present invention.
Fig. 2 is the cross-sectional view splitted along II-II line of Fig. 1.
Fig. 3 is to show the inscribed head of the three ball pin style constant speed universal joint of the embodiments of the present invention and be anchored on its
The perspective view of a state being decomposed in idler wheel assembly.
Fig. 4 is the pass for the outer ring and roller track that illustrate the three ball pin style constant speed universal joint of the embodiments of the present invention
The enlarged cross-sectional view of system.
Fig. 5 is the center for the outside for the axle journal for illustrating the three ball pin style constant speed universal joint of the embodiments of the present invention
The figure of the biasing of the Central Line of the side of line and roller track.
Fig. 6 is for illustrating the axis in the three ball pin style constant speed universal joint of the embodiments of the present invention under dog-ear state
The figure of moment loading when the movement of neck.
Fig. 7 be by the Central Line of the outside of the axle journal of the three ball pin style constant speed universal joint of the embodiments of the present invention and
The figure of the dispersion of the power of the biasing of the Central Line of the side of roller track.
Specific embodiment
The embodiments of the present invention are described in detail with reference to the accompanying drawings.
Referring to Fig.1, the three ball pin style constant speed universal joint of the embodiments of the present invention includes external head 10 and nipple
Part 20.
Referring to Figures 1 and 2, external head 10 has longitudinal axis OLA, and has the center cavity extended along its length
11 and three roller tracks 12.
Center cavity 11 can have substantially cylinder shape, and roller track 12 has in center cavity 11 to being recessed on the outside of radial direction
Groove (recess) form, and extend along its length.At this point, three roller tracks 12 along the circumferential direction can equally spacedly match
It sets.
Inscribed head 20 is configured in the chamber 11 of external head 10.
Inscribed head 20 include centerbody 21 and in centerbody 21 to three axle journals 22 protruded on the outside of radial direction.
At this point, as illustrated in Figure 2, three axle journals 22 along the circumferential direction equally spacedly configure, and are respectively arranged at the rolling of external head 10
In wheel track 12.
Axis 23 is anchored on centerbody 21, and axis 23 has longitudinal axis ILA.Axis 23 can be to revolve together with centerbody 21
The mode turned fastens, for example, can be anchored on centerbody 21 in a manner of spline (spline).
Three idler wheel assemblies 30 are fastened respectively to three axle journals 22.As illustrated in Fig. 1 and Fig. 2, idler wheel assembly 30 is to fasten
The roller track 12 of external head 10 is configured in the state of the axle journal 22 of inscribed head 20.
At this point, the longitudinal axis ILA of adapter piece 20 can be relative to the length of external head 10 within idler wheel assembly 30
The mode of axis of orientation OLA dog-ear is anchored on axle journal 22.In addition, idler wheel assembly 30 is can carry out edge and length side along roller track 12
Roller track 12 is configured to the mode of the displacement in the direction of axis OLA side by side.
Each idler wheel assembly 30 includes inner ring 31, outer ring 32 and bearing 33.
Inner ring 31 and outer ring 32 are respectively provided with annular state, and inner ring 31 is anchored on axle journal 22, and outer ring 32 is around inner ring 31
State configuration.The lateral surface 221 of axle journal 22 and the medial surface 311 of inner ring 31 can be respectively formed as curved surface, and can be with mutual
The mode of contact arranges.For example, the lateral surface 221 of axle journal 22 and the medial surface 311 of inner ring 31 can be respectively formed as spherical surface, by
This, axle journal 22 and inner ring 31 will be acted together along radial direction, the i.e. length direction of axle journal.In addition, the outside of outer ring 32
Face 321 and the side of roller track 12 121 can be respectively formed as curved surface, and can be arranged in mutually opposed mode, thus limit
Make the movement on the length direction direction side by side relative to roller track 12 and the axle journal 22 of outer ring 32.
Referring to Fig. 2 and Fig. 3, bearing 33 is configured between inner ring 31 and outer ring 32, for example, bearing 33 can be it is needle-shaped
(needle) bearing.As illustrated in Figure 2, the lateral surface 312 of inner ring 31 and the medial surface 322 of outer ring 32 can be respectively provided with cylinder
Form, bearing 33 can be configured at interior in a manner of contacting respectively with the medial surface 322 of the lateral surface 312 of inner ring 31 and outer ring 32
Between ring 31 and outer ring 32.At this point it is possible to the inner side and outer side end of the lateral surface 312 of inner ring 31 be respectively formed protrusion 313,
314, Needle bearing 33 can be limited by the protrusion 313,314 and acted along radial direction.
Since the medial surface 322 of outer ring 32 has cylinder form, and configured in such a way that Needle bearing 33 is closely attached on this, thus
It is relatively moved between Needle bearing 33 and the medial surface 322 of outer ring 32.Specifically, referring to Fig. 6, when in dog-ear state
(reference arrow) must be acted with the radial direction of axle journal 22 when lower progress torque transmitting, and implementation according to the present utility model
Example, can only be carried out between the inner face and axle journal 22 of inner ring 31 it is such contact rotation, and in Needle bearing 33 and outer ring 32
It is relatively moved between medial surface 322.In this way, in the embodiments of the present invention, due to the opposite shifting under dog-ear state
Move the contact surface of outer ring and Needle bearing carry out, thus in axle journal compared with the case where being made a relative move between inner ring,
It can reduce because between the side of the roller track 12 of outer ring 32 and external head 10 that the power that contact surface application acts on induces
Frictional force.In other words, the power edge due to frictional force between the component relatively moved when the rotation for transmitting power
Inclined direction application effect, the power induce the torque of the side for the roller track 12 for making outer ring 32 be closely attached on external head 10, and
It is not the structure as relatively moved between axle journal and inner ring in the past in the embodiments of the present invention, but
It is relatively moved between Needle bearing 33 and outer ring 32, to reduce the position of the power application effect for the reason of becoming torque
The position that (that is, the position relatively moved) is acted on torque application is (that is, the side of the outside and roller track of outer ring connects
The distance between touch position), thus reduce torque.The reduction of torque brings the reduction of frictional force, is achieved in and reduces noise, mentions
High-durability such as improves efficiency at the technical effects.In addition, embodiment according to the present utility model, make the interior of axle journal 22 and inner ring 31
The relative movement of relative rotation (rotation in curve arrow direction in Fig. 6) between face and the movement for axle journal 22 mutually divides
From so as to prevent that excessive frictional force occurs between inner ring 31 and axle journal 22.
The three ball pin style constant speed universal joint of the embodiments of the present invention is by structure as described above, with idler wheel assembly 30
The torque transfer function between external head 10 and inscribed head 20 is played for medium.
Referring to Fig. 2 and Fig. 3, the side 121 of roller track 12 is formed as convex, the lateral surface 321 and roller track 12 of outer ring 32
Convex side 121 it is corresponding and be formed as concavity.In previous three ball pin style constant speed universal joint, the lateral surface of outer ring is formed
For convex, the side of roller track is formed as concavity, but in the embodiments of the present invention, in contrast, the side of roller track 12
Face 121 is formed as convex, and the lateral surface 321 of outer ring 32 is formed as concavity, so as to more stably place outer ring 32, thus, it is possible to
Enough reduce the shaking in the front-back direction of outer ring 32.
Referring to Fig. 4, the lateral surface 321 of outer ring 32 and the side 121 of roller track 12 can be formed as the two o'clock on section
CP contact.
Embodiment according to the present utility model is formed as 121 phase of side of the lateral surface 321 and roller track 12 in outer ring 32
There are clearance CL (clearance) for the position mutually contacted.In the assembling process of three ball pin style constant speed universal joint, idler wheel assembly 30
The inscribed head 20 of fastening should be inserted in external head 10, and in order to be inserted into, in the lateral surface 321 and roller track 12 of outer ring 32
The position that contacts with each other of side 121 should have clearance (clearance).When considering such clearance, contact position will refer to
The position that outer ring 32 is initially contacted with the side 121 of roller track 12 when transversely (left and right directions in Fig. 4) is mobile.
On the other hand, has rounded portion respectively in the radial direction inner side and outer side end of the lateral surface 321 of outer ring 32
322, have respectively in the radial direction inner side and outer side end of the side 121 of the roller track 12 opposed with rounded portion 322 flat
Face part 122.At this point, the space D 2 between rounded portion 322 and planar section 122 is formed larger than outer ring 32 referring to Fig. 4
Lateral surface 321 and roller track 12 the position that contacts with each other of side 121 on clearance CL.
When three ball pin style constant speed universal joint is worked, the rounded portion 322 of outer ring 32 and the planar portions of roller track 12
122 are divided to contact with each other and play the function of preventing 32 double swerve of outer ring, at this point, by making rounded portion 322 and planar section
The clearance on position that the side 121 of lateral surface 321 and roller track 12 that space D 2 between 122 is greater than outer ring 32 contacts with each other
When constant velocity cardan joint is worked in typical working conditions outer ring 32 and roller track 12 can connect CL two positions
Touching.
On the other hand, the top surface 123 of roller track 12 can be formed as concavity, and thereby, it is possible to prevent the radius side of outer ring 32
Outside side and the top surface 123 of roller track 12 are collided.
On the other hand, referring to Fig. 5, the axle journal 22 of the three ball pin style constant speed universal joint of the embodiments of the present invention it is outer
Side 221 can be formed as curved surface, by the lateral surface 221 of axle journal 22 center of curvature CJ Central Line CJL relative to process
Length direction (in Fig. 5 up and down direction) of the Central Line CRL of the center of curvature CRT of the side 121 of roller track 12 to axle journal 22
Outside biases (offset).
Referring to Fig. 7, the Central Line CJL of axle journal 22 relative to the side 121 of roller track 12 pickup wire CRL to radius
Biasing on the outside of direction, the effect of the power of the side 121 of roller track 12 is applied to thus to obtain dispersion by outer ring 32.Specifically,
As illustrated in figure 7, for transmitting power and when being rotated with the direction of rotation (in figure counterclockwise) of arrows,
The power of effect will concentrate (power of arrow direction) between the side 121 of the roller track 12 of external head 10 and the outside of outer ring 32
Two contact point CP in inside contact point, and by making the center of curvature of axle journal 22 relative to the side of roller track 12
121 center of curvature biases outward, will finally be acted in the position application of more lateral by the power of axle journal effect, thus will
More dissipation of ferees outward.Thereby, it is possible to reduce frictional force caused by the concentration of active force, subtract thus, it is possible to realize
Few noise improves durability, improves efficiency.
Although the embodiments of the present invention are illustrated above, the interest field of the utility model is not limited to
This, but including being held from the embodiments of the present invention by the general technical staff in the utility model technical field
Easily change and be considered as having altered and correcting for impartial range.
Industrial utilization possibility
The utility model relates to a kind of three ball pin style constant speed universal joints, can be applied to the drive system of vehicle, thus have
There is industrial utilization possibility.
Claims (8)
1. a kind of three ball pin style constant speed universal joint characterized by comprising
External head has the chamber extended along its length and three roller tracks;
Inscribed head, three axle journals for having centerbody and being protruded in the centerbody along radial direction;And
Three idler wheel assemblies are fastened respectively to three axle journals and are respectively arranged at three roller tracks,
The idler wheel assembly includes the inner ring for being anchored on the axle journal, with the side pair around the inner ring and with the roller track
The outer ring that the mode set configures and the bearing being configured between the inner ring and the outer ring,
The side of the roller track is formed as convex,
The lateral surface of the outer ring is corresponding with the side of the convex of the roller track and is formed as concavity.
2. three ball pin style constant speed universal joint according to claim 1, which is characterized in that
The side of the lateral surface of the outer ring and the roller track is formed as the two-point contact on section.
3. three ball pin style constant speed universal joint according to claim 2, which is characterized in that
Be formed as in the position that the lateral surface of the outer ring and the side of the roller track contact with each other there are clearance,
Have rounded portion respectively in the radial direction inner side and outer side end of the lateral surface of the outer ring, and with the rounding
The radial direction inner side and outer side end of the side of the opposed roller track in part has planar section, the radius respectively
The spacing between the planar section is divided to be formed larger than the clearance.
4. three ball pin style constant speed universal joint according to claim 3, which is characterized in that
The top surface of the roller track is formed as concavity.
5. three ball pin style constant speed universal joint according to claim 1, which is characterized in that
The lateral surface of the axle journal is formed as curved surface,
By the lateral surface of the axle journal the center of curvature the first Central Line relative to by the roller track side song
Length direction outside biasing of second Central Line at rate center to the axle journal.
6. a kind of three ball pin style constant speed universal joint characterized by comprising
External head has the chamber extended along its length and three roller tracks;
Inscribed head, three axle journals for having centerbody and being protruded in the centerbody along radial direction;And
Three idler wheel assemblies are fastened respectively to three axle journals and are respectively arranged at three roller tracks,
The idler wheel assembly includes the inner ring for being anchored on the axle journal, with the side pair around the inner ring and with the roller track
The outer ring that the mode set configures and the Needle bearing being configured between the inner ring and the outer ring,
The side of the roller track is formed as convex,
The lateral surface of the outer ring is corresponding with the side of the convex of the roller track and is formed as concavity,
The side of the lateral surface of the outer ring and the roller track is formed as the two-point contact on section,
The lateral surface of the axle journal be formed as include convex curved surface, the convex of the medial surface of the inner ring and the axle journal it is outer
Side is corresponding and is formed as including concave curved surface,
The medial surface of the lateral surface of the inner ring and the outer ring is formed as respectively including cylinder shape, and the Needle bearing is with respectively
It is situated between with the mode of the inside face contact of the cylinder shape of the lateral surface and outer ring of the cylinder shape of the inner ring and is the inner ring
Between the outer ring, the outer ring and the Needle bearing can be along opposite with the direction of the length direction of the axle journal side by side
It is mobile,
By the lateral surface of the axle journal the center of curvature while perpendicular to the axle journal length direction the first Central Line
Perpendicular to the second center of the length direction of the axle journal while center of curvature of side relative to the process roller track
Length direction outside biasing of the line to the axle journal.
7. three ball pin style constant speed universal joint according to claim 6, which is characterized in that
Be formed as in the position that the lateral surface of the outer ring and the side of the roller track contact with each other there are clearance,
Have rounded portion respectively in the radial direction inner side and outer side end of the lateral surface of the outer ring, and with the rounding
The radial direction inner side and outer side end of the side of the opposed roller track in part has planar section, the radius respectively
The spacing between the planar section is divided to be formed larger than the clearance.
8. three ball pin style constant speed universal joint according to claim 7, which is characterized in that
The top surface of the roller track is formed as concavity.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/KR2017/014118 WO2019112077A1 (en) | 2017-12-05 | 2017-12-05 | Tripod constant velocity joint |
Publications (1)
Publication Number | Publication Date |
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CN209012283U true CN209012283U (en) | 2019-06-21 |
Family
ID=66750233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201790000546.4U Active CN209012283U (en) | 2017-12-05 | 2017-12-05 | Three ball pin style constant speed universal joint |
Country Status (2)
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CN (1) | CN209012283U (en) |
WO (1) | WO2019112077A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2819863B1 (en) * | 2001-01-23 | 2003-06-13 | Gkn Glaenzer Spicer | HOMOCINETIC TRANSMISSION JOINT AND MECHANICAL TRANSMISSION MEMBER FOR SUCH A JOINT |
TWI298767B (en) * | 2002-10-25 | 2008-07-11 | Ntn Toyo Bearing Co Ltd | Tripod type constant velocity joint |
JP2006162056A (en) * | 2004-11-11 | 2006-06-22 | Jtekt Corp | Constant-velocity joint |
KR20120011382A (en) * | 2010-07-29 | 2012-02-08 | 한국프랜지공업 주식회사 | Low vibration constant velocity joint for vehicle |
KR101599640B1 (en) * | 2014-10-31 | 2016-03-03 | 현대위아 주식회사 | Tripod type constant velocity joint |
-
2017
- 2017-12-05 CN CN201790000546.4U patent/CN209012283U/en active Active
- 2017-12-05 WO PCT/KR2017/014118 patent/WO2019112077A1/en active Application Filing
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WO2019112077A1 (en) | 2019-06-13 |
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