CN205663784U - Built -in three ball pin assembly of big kingpin of two balls of integrated combined type - Google Patents
Built -in three ball pin assembly of big kingpin of two balls of integrated combined type Download PDFInfo
- Publication number
- CN205663784U CN205663784U CN201620527270.2U CN201620527270U CN205663784U CN 205663784 U CN205663784 U CN 205663784U CN 201620527270 U CN201620527270 U CN 201620527270U CN 205663784 U CN205663784 U CN 205663784U
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- Prior art keywords
- ball
- needle roller
- interior
- big
- combined type
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 56
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 235000013569 fruit product Nutrition 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000020347 spindle assembly Effects 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a built -in three ball pin assembly of big kingpin of two balls of integrated combined type which includes three balls round pin component with to the outstanding three foot axle of direction of radius, two ball units, its have the ectosphere ring sum with this ectosphere ring bearing for rotatory interior ball freely, interior ball outer peripheral face is the curved surface, and should in ball outer peripheral face in the direction of axis quadrature with the global counterbalance of ectosphere intra -annular, interior ball overcoat in the foot axle be equipped with the kingpin between foot axle and the interior ball, the kingpin inner peripheral surface in the direction with the axis quadrature with the global contact of foot off -axial. Adopt two ball units, adopt conical contact between outer ball and the interior ball for outer ball is internal ball free swing mutually, and the hunting range is big, and self swinging of outer ball can reach 30, thereby it slides greatly to make three ball pin assembly have, big wobbling characteristics.
Description
Technical field
This utility model relates to a kind of auto parts machinery, particularly to double built-in big needle roller three ball of ball of a kind of integrated combined type
Pin assembly.
Background technology
It is vapour for the constant velocity universal joint drive spindle assembly as the actuating unit between automobile engine and wheel
The important component part of car drive system, it can realize power shaft and constant angular velocity transmission time output shaft angle is not zero.
A lot of f-w-d cars are all (poor by a pair fixing type equal speed universal joint (hub end) and axial slip formula constant velocity cardan joint
Speed device end) transmit moment of torsion and motion.But the most several situation of traditional three ball pins (such as Fig. 1):
Three the most traditional ball pin assembly needle rollers are to be all leptosomatic, and bearing capacity is low, and fatiguability weares and teares, and is weak to instantaneous punching
Hitting load, not with small product size, born load increases and increases, and as fruit product is very big, needs the load of sufficient intensity
When lotus and temporary impact load, leptosomatic needle roller causes needle roller to rupture because meeting the enough bearing capacitys of offer, leads
Cause three ball pin assemblies to lose efficacy.
2. the needle roller of traditional elongate type needs axially to position restriction by back-up ring and circlip, then need at bearing pin
Upper processing escape and jump-ring slot, not only increase operation, causes process cost to increase, and too increases manufacture back-up ring and elastic gear
The expense of circle, also needs back-up ring and circlip location because of each parts, causes manual assembly and dismounting difficulty, work as ball when assembling
Ring is in three post grooves when axial slip and angular displacement, and ball blocks with back-up ring when sliding, it is impossible to returns to original position, causes
The stuck inefficacy in pot shell of three ball pin assemblies is destroyed, and whole is replaced.
3. ball and pot shell belong to single arc contact, and gap is big, and skid resistance is big, serious wear, thus three ball pin assemblies
Lost efficacy.
4. ball slippage on bearing pin is little, and pivot angle is the least, is usually no more than 23 °, it is impossible to meet customer need.
Utility model content
In order to overcome the deficiency of background technology, this utility model provides a kind of integrated combined type double built-in big needle roller three of ball
Ball pin assembly.
This utility model be the technical scheme is that double built-in big needle roller three ball pin of ball of a kind of integrated combined type is total
Becoming, it includes three ball pin components, and it has three the foot axles prominent to radial direction；Double ball unit, its have outer ball and
Being rotatable interior ball by this ectosphere ring bearing, described interior ball outer peripheral face is the conical surface, and this interior ball outer peripheral face is at axle
Offseting with outer ball inner peripheral surface on the direction that line is orthogonal, described interior ball is coated at described foot axle, at described foot axle and interior ball
Between be provided with needle roller, needle roller inner peripheral surface is contacting with described foot axle outer peripheral face with on the direction of orthogonal axe.
It is the angle a of 10 ° with an angle between described outer ball inner peripheral surface and described interior ball outer peripheral face.
The two ends up and down of described interior ball each extend along the radial direction of interior ball to centre of sphere direction constitute a upper annulus and
Lower annulus, described upper annulus, described lower annulus and interior ball inner peripheral surface constitute a chamber accommodating needle roller.
Described needle roller is at a diameter of 2-4mm in direction orthogonal to the axial direction.
Needle roller inner peripheral surface and needle roller outer peripheral face are plane, and needle roller upper surface and needle roller lower surface are arcwall face.
Needle roller upper surface has space on the direction parallel with axis and between upper annulus inner peripheral surface；Needle roller lower surface exists
On the direction parallel with axis and between lower annulus inner peripheral surface, there is space.
Described foot axle has a cervical region in the junction with three ball pin components, and this cervical region has a cervical region male cone (strobilus masculinus).
Cervical region male cone (strobilus masculinus) constitutes 10 ° of angle b with interior ball bottom surface.
The beneficial effects of the utility model are: this utility model uses double ball unit, adopts between outer ball and interior ball
With taper-face contact so that outer ball can freely swing by internal ball mutually, and hunting range is big, and self swinging of outer ball can reach
30 °, so that three ball pin assemblies have big sliding, the big feature swung.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional three ball pins.
Fig. 2 is the structural representation of this utility model three ball pin assembly.
Fig. 3 is the enlarged diagram in Fig. 2 at A.
Fig. 4 is the schematic diagram of all angles in this utility model.
1-tri-ball pin component, 2-foot axle, 21-foot axle outer peripheral face, the outer ball of 3-, the outer ball inner peripheral surface of 31-, ball in 4-,
Ball outer peripheral face in 41-, the upper annulus of 42-, 421-upper annulus inner peripheral surface, annulus under 43-, annulus inner peripheral surface under 431-, ball in 44-
Ring inner peripheral surface, 45-chamber, ball bottom surface in 46-, 5-needle roller, 51-needle roller inner peripheral surface, 52-needle roller outer peripheral face, on 53-needle roller
End face, 54-needle roller lower surface, 6-cervical region, 61-cervical region male cone (strobilus masculinus).
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model embodiment is described further:
As it can be seen, double built-in big needle roller three ball pin assembly of ball of a kind of integrated combined type, it includes three ball pin components 1,
It has three the foot axles 2 prominent to radial direction；Double ball unit, it has outer ball 3 and is supported by this outer ball 3 and be
Rotatable interior ball 4, described interior ball outer peripheral face 41 is the conical surface, and this interior ball outer peripheral face 41 is in the direction of orthogonal axe
Above offseting with outer ball inner peripheral surface 31, described interior ball 4 is coated at described foot axle 2, sets between described foot axle 2 and interior ball 4
Having needle roller 5, needle roller inner peripheral surface 51 is contacting with described foot axle outer peripheral face 21 with on the direction of orthogonal axe, uses double ball list
Unit, uses taper-face contact between outer ball 3 and interior ball 4 so that outer ball 3 can freely swing by internal ball 4 mutually, and swings model
Enclosing big, self swing of outer ball 3 can reach the angle c of 30 °, so that three ball pin assemblies have big sliding, greatly swing
Feature.
Using between described outer ball inner peripheral surface 31 and described interior ball outer peripheral face 41 is the angle of 10 ° with an angle
A, when outer ball 3 is along interior ball outer peripheral face 41 sliding, when outer ball 3 starts sliding, outer ball inner peripheral surface 31 only with interior ball
The cone point cantact of ring outer peripheral face 41, the contact of the two composition point, its skid resistance is little, after outer ball 3 starts sliding, ectosphere
Within ring 3 meeting, the cone point of ball outer peripheral face 41 is fulcrum, and ball inner peripheral surface 31 is leverage surface in addition, and the two matches thus promotes
The sliding of outer ball 3, after the slippage of outer ball 3 is more than 10 °, the cone of outer ball inner peripheral surface 31 and interior ball outer peripheral face 41
Fitting in face, now under external force and self gravitation effect, outer ball 3 can continue sliding along interior ball outer peripheral face 41, to maximum
During slippage, self pendulum angle of outer ball 3 reaches 30 °, and in slipping, one end of outer ball 3 is parallel with axis
The downward sliding in direction, the other end will upwarp therewith, and the two ends of outer ball 3 can be in the two of 4 liang of end cone points of interior ball all the time
Side, thus ensure that outer ball 3 does not falls out.
The two ends up and down of described interior ball 4 each constitute a upper annulus along the radial direction of interior ball 4 to the extension of centre of sphere direction
42 and lower annulus 43, described upper annulus 42, described lower annulus 43 and interior ball inner peripheral surface 44 constitute a chamber accommodating needle roller 5
Room 45, upper annulus 42 and lower annulus 43 limit needle roller 5 with the displacement on the direction of orthogonal axe, i.e. go up annulus 42 and lower annulus
The setting of 43 instead of back-up ring and circlip, relative, it is no longer necessary to machining clamp spring slot and fall back on groove, saves processing cost
And the production time.
Needle roller upper surface 53 and needle roller lower surface 54 are arcwall face, straight in direction orthogonal to the axial direction of described needle roller 5
Footpath is 2-4mm, and it is tubbiness type that the most described needle roller 5 has the part of substantially elliptical on the cross section parallel with axis, tubbiness type
Its bearing capacity of needle roller 5 big compared with slender type needle roller, indefatigability is worn and torn, and on the premise of product is very big, the rolling of tubbiness type
Pin 5 is also provided that enough bearing capacitys, it is ensured that needle roller 5 will not rupture and cause three ball pin assemblies to lose efficacy.
Needle roller outer peripheral face 52 is contacting with described interior ball inner peripheral surface 44 with on the direction of orthogonal axe, and interior ball 4 is along rolling
Pin 5 rotates in a circumferential direction, and the active force of outer ball 3 is delivered to needle roller outer peripheral face 52 by interior ball 4, and the needle roller 5 of tubbiness type is because being difficult to
Fracture, so bigger temporary impact load can be born, and has higher endurance wearing character.
Needle roller upper surface 53 has space on the direction parallel with axis and between upper annulus inner peripheral surface 421；Under needle roller
End face 54 has space on the direction parallel with axis and between lower annulus inner peripheral surface 431, and arranging of space allows interior ball 4
Having the amplitude of oscillation of trace on the direction parallel with axis, the external ball of the amplitude of oscillation 3 of this trace has a cushioning effect, thus
Alleviate the vibration of outer ball 3.
Described foot axle 2 has a cervical region 6 in the junction with three ball pin components 1, and this cervical region 6 is a conical surface, can have
Effect improves the performance of three ball pin cervical regions, the problem solving cervical region frangibility.
Cervical region male cone (strobilus masculinus) 61 and interior ball bottom surface 46 constitute 10 ° of angle b, and this cervical region 6 is a cone the mildest
Face, when receiving instant impact, impulsive force is passed to interior ball 4 by outer ball 3, and interior ball 4 carries out unloading power by needle roller 5,
Meanwhile, by interior ball 4 and the effect of cervical region male cone (strobilus masculinus) 61, carrying out unloading power, many places carry out unloading power simultaneously, so that this three ball
Pin has the ability of stronger resistance to temporary impact load, and the cervical region male cone (strobilus masculinus) 61 of interior ball 4 effect is not the diameter of this cervical region 6
The narrowest place, thus this cervical region 6 is not easy to fracture.
It is only preferred implementation of the present utility model above in association with the embodiment described by accompanying drawing, and not to this practicality
The restriction of novel protection domain, any improvement done based on this utility model spirit all ought to protect model at this utility model
Within enclosing.
Claims (8)
1. double built-in big needle roller three ball pin assembly of ball of integrated combined type, it includes three ball pin components (1), and it has to half
Three foot axles (2) that direction, footpath is prominent；It is characterized in that:
Double ball unit, it has outer ball (3) and the interior ball (4) rotatably supported by this outer ball (3), described interior
Ball outer peripheral face (41) is the conical surface, and this interior ball outer peripheral face (41) on the direction of orthogonal axe with outer ball inner peripheral surface (31)
Offset,
Described interior ball (4) is coated at described foot axle (2), is provided with needle roller (5) between described foot axle (2) and interior ball (4), rolling
Pin inner peripheral surface (51) is contacting with described foot axle outer peripheral face (21) with on the direction of orthogonal axe.
Double built-in big needle roller three ball pin assembly of ball of integrated combined type the most according to claim 1, it is characterised in that: described
It is the angle a of 10 ° with an angle between outer ball inner peripheral surface (31) and described interior ball outer peripheral face (41).
Double built-in big needle roller three ball pin assembly of ball of integrated combined type the most according to claim 1 and 2, it is characterised in that:
The two ends up and down of described interior ball (4) each constitute a upper annulus (42) along the radial direction of interior ball (4) to the extension of centre of sphere direction
With lower annulus (43), described upper annulus (42), described lower annulus (43) and interior ball inner peripheral surface (44) constitute one and accommodate rolling
The chamber (45) of pin (5).
Double built-in big needle roller three ball pin assembly of ball of integrated combined type the most according to claim 1, it is characterised in that: described
Needle roller (5) is at a diameter of 2-4mm in direction orthogonal to the axial direction.
Double built-in big needle roller three ball pin assembly of ball of integrated combined type the most according to claim 1, it is characterised in that: needle roller
Outer peripheral face (52) is contacting with described interior ball inner peripheral surface (44) with on the direction of orthogonal axe.
Double built-in big needle roller three ball pin assembly of ball of integrated combined type the most according to claim 3, it is characterised in that: needle roller
Upper surface (53) has space on the direction parallel with axis and between upper annulus inner peripheral surface (421)；Needle roller lower surface (54)
On the direction parallel with axis and between lower annulus inner peripheral surface (431), there is space.
Double built-in big needle roller three ball pin assembly of ball of integrated combined type the most according to claim 1, it is characterised in that: described
Foot axle (2) has a cervical region (6) in the junction with three ball pin components (1), and this cervical region (6) has a cervical region male cone (strobilus masculinus)
(61).
Double built-in big needle roller three ball pin assembly of ball of integrated combined type the most according to claim 7, it is characterised in that: cervical region
Male cone (strobilus masculinus) (61) constitutes 10 ° of angle b with interior ball bottom surface (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620527270.2U CN205663784U (en) | 2016-06-02 | 2016-06-02 | Built -in three ball pin assembly of big kingpin of two balls of integrated combined type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620527270.2U CN205663784U (en) | 2016-06-02 | 2016-06-02 | Built -in three ball pin assembly of big kingpin of two balls of integrated combined type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205663784U true CN205663784U (en) | 2016-10-26 |
Family
ID=57159097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620527270.2U Expired - Fee Related CN205663784U (en) | 2016-06-02 | 2016-06-02 | Built -in three ball pin assembly of big kingpin of two balls of integrated combined type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205663784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113195915A (en) * | 2018-12-27 | 2021-07-30 | Ntn株式会社 | Tripod type constant velocity universal joint |
-
2016
- 2016-06-02 CN CN201620527270.2U patent/CN205663784U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113195915A (en) * | 2018-12-27 | 2021-07-30 | Ntn株式会社 | Tripod type constant velocity universal joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 |