CN209146167U - A kind of three ball pins - Google Patents
A kind of three ball pins Download PDFInfo
- Publication number
- CN209146167U CN209146167U CN201822006059.8U CN201822006059U CN209146167U CN 209146167 U CN209146167 U CN 209146167U CN 201822006059 U CN201822006059 U CN 201822006059U CN 209146167 U CN209146167 U CN 209146167U
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- ball
- interior
- seat
- lateral surface
- needle roller
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Abstract
The utility model provides a kind of three ball pins, belongs to field of mechanical technique.It solves the problems such as existing three ball pin can reduce the stability of work.This three ball pin, including ontology, there is pin shaft on ontology, being set on pin shaft can be along the interior ball axially slid, the ball seat that can be swung on interior ball is set on interior ball, the outer ball that can be rotated around ball seat is set on ball seat, needle roller is provided between the medial surface of outer ball and the lateral surface of ball seat, the lateral surface of interior ball is spherical, there is the plane of oscillation cooperated with the lateral surface of interior ball on medial surface in the middle part of ball seat, there is flaring face on the medial surface of ball seat inner end, oil storage window is offered on the medial surface of ball seat, oil storage window extends through the lateral surface of ball seat, oil storage window includes the window portion one being arranged on plane of oscillation and the window portion two being arranged on flaring face, the axial height of window portion one is less than the axial height of needle roller.This three ball pin can be improved the stability of work.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of three ball pins.
Background technique
Universal joint, that is, universal joint is the parts for realizing the transmitting of varied angle power, for needing to change transmission axis direction
Position, it is " joint " component of the universal driving device of automobile driving system.Universal joint includes nonconstant velocity universal joint, standard etc.
Fast universal joint and constant velocity cardan joint etc., tripod universal joint are exactly a kind of constant velocity cardan joint, including clutch can, three ball pins, company
Spindle and seal closure etc..
Chinese patent literature data, which discloses, proposes a kind of three ball pin assemblies [application number: CN201310212133.0；It is open
Number: 103335028A], including spider is set on spider there are three pin shaft, is arranged with ball assembly, ball on each pin shaft
Ring assembly includes inner ring, outer ring and ball, and needle roller is equipped between outer ring and ball, and outer ring is equipped with the gear to needle roller axial limiting
The outer wall of circle, interior ring cross-section is arc, and outer ring inner wall is adapted with interior ring outer wall.
Three ball pin assemblies are installed in clutch can, and can be filled with lubricant grease in clutch can.When three ball pin assemblies work,
Ball is swung around outer ring rotating, outer ring around inner ring, the medial surface of ball and the outside of outer ring smooth in order to rotate and swing
It is to need lubricant grease at needle roller between face, is also required for lubricant grease between the medial surface of outer ring and the lateral surface of inner ring.
During ball rotation, the lubricant grease between the medial surface of ball and the lateral surface of outer ring can be extruded a part, and
During outer ring is swung, lubricant grease can also be extruded a part between the medial surface of outer ring and the lateral surface of inner ring, profit
Lubricating oil rouge but cannot be supplemented timely after being extruded, and cause lubricating action insufficient, so that under the stability of three ball pins work
Drop.
Summary of the invention
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, to propose a kind of three ball pins, solution
Technical problem is how to improve the stability of three ball pins work.
The purpose of this utility model can be realized by the following technical scheme:
A kind of three ball pins, including ontology, for tool there are three pin shaft, being set on the pin shaft can be along axial direction on the ontology
The interior ball of sliding is set with the ball seat that can be swung on interior ball on the interior ball, is set on the ball seat
The outer ball that can be rotated around ball seat, is provided with needle roller between the medial surface of the outer ball and the lateral surface of ball seat, institute
The lateral surface for stating interior ball is spherical, has the pendulum cooperated with the lateral surface of interior ball on the medial surface in the middle part of the ball seat
Dynamic face has flaring face on the medial surface of ball seat inner end, which is characterized in that offer on the medial surface of the ball seat
Oil storage window, the oil storage window extend through the lateral surface of ball seat, and the oil storage window includes the window being arranged on plane of oscillation
Oral area one and the window portion two being arranged on flaring face, the axial height of the window portion one are less than the axial height of needle roller.
The axial height of window portion one is less than the axial height of needle roller, and needle roller is avoided to drop out from oil storage window.Lubricating oil
Rouge can enter window portion two from window portion one, and the lubricant grease at window portion two can directly contact the outer of interior ball
Side and needle roller, lubricant grease ball seat swing during constantly enter interior ball lateral surface and mating surface between into
Adequately lubrication, lubricant grease enter the medial surface and ball of outer ball to row during outer ball rotates and needle roller rolls
Needle roller is adequately lubricated between the lateral surface of seat, lubrication caused by cannot being replenished in time after avoiding lubricant grease from being extruded
Effect is insufficient, to improve the stability of three ball pins work.
In three above-mentioned ball pins, there are two the oil storage windows and is symmetrical arranged.Supplement lubricant grease sufficiently
And supplement is uniformly, is conducive to the stability for improving the work of three ball pins.
In three above-mentioned ball pins, there is the baffle ring of protrusion on the lateral surface of ball seat inner end, the outer ball
Inner face is resisted against on baffle ring, and retainer ring, the inner face and ectosphere of the retainer ring are fixed on the lateral surface of ball seat outer end
Against gasket is provided between the outer end face of ring, the both ends of the needle roller all have ballhead, the ballhead of the needle roller inner end
It can be resisted against on baffle ring, the ballhead of the needle roller outer end can be resisted against on gasket.It will be outer by baffle ring, retainer ring and gasket
Ball is axially fixed on ball seat, and ballhead is arranged in the both ends of needle roller, when ballhead against when generate is a face contact,
The resistance that needle roller is subject to is reduced, the stability for improving the work of three ball pins is conducive to.
In three above-mentioned ball pins, between the medial surface of the interior ball and the outer end face of interior ball and interior ball it is interior
Chamfering is provided between side and the inner face of interior ball.
Interior ball on pin shaft axially slide during, lubricant grease by chamfering can successfully in ball inside
It between face and the lateral surface of pin shaft, lubricates the sliding of interior ball preferably, is conducive to the stabilization for improving the work of three ball pins
Property.
In three above-mentioned ball pins, annular groove, the annular are provided at baffle ring on the lateral surface of the ball seat
Slot is connected to oil storage window.Lubricating oil can be stored at annular groove, advantageously ensures that the sufficient lubrication of needle roller, be conducive to raising three
The stability of ball pin work.
Compared with prior art, the utility model has the advantage that
Oil storage window is set on the medial surface of ball seat, and oil storage window includes one He of window portion being arranged on plane of oscillation
Window portion two on flaring face is set, and the axial height of window portion one is less than the axial height of needle roller, makes at needle roller and ball
It can fully obtain lubrication between ring seat and interior ball, improve the stability of three ball pins work.The both ends of needle roller have ballhead,
Friction is reduced, the stability for improving the work of three ball pins is conducive to.Chamfering is set at the both ends of interior ball medial surface, lubricant grease is logical
It crosses chamfering to enter between interior ball and pin shaft, lubricates the sliding of interior ball preferably, be conducive to improve three ball pin works
The stability of work.
Detailed description of the invention
Fig. 1 is the cross-sectional view of this three ball pin；
Fig. 2 is the cross-sectional view of ball seat in this three ball pin；
Fig. 3 is the front view of needle roller in this three ball pin.
In figure, 1, ontology；1a, pin shaft；2, interior ball；3, ball seat；3a, plane of oscillation；3b, flaring face；3c, oil storage window
Mouthful；3c1, window portion one；3c2, window portion two；3d, baffle ring；3e, annular groove；4, outer ball；5, needle roller；5a, ballhead；6, block
Circle；7, gasket.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one
As shown in Figure 1-Figure 3, a kind of three ball pins, including ontology 1, tool is set with there are three pin shaft 1a on pin shaft 1a on ontology 1
There is interior ball 2, interior ball 2 can be set in axial sliding, interior ball 2 on pin shaft 1a and can swing on interior ball 2
Ball seat 3, the outer ball 4 that can be rotated around ball seat 3, the medial surface and ball seat 3 of outer ball 4 are set on ball seat 3
Lateral surface between be provided with needle roller 5.There is the baffle ring 3d of protrusion, the inner face of outer ball 4 on the lateral surface of 3 inner end of ball seat
It is resisted against on baffle ring 3d.It is provided with card slot on the lateral surface of 3 outer end of ball seat, retainer ring 6, retainer ring 6 and ectosphere are fixed in card slot
Gasket 7 is provided between ring 4, the outer end face of gasket 7 is resisted against on retainer ring 6, and the inner face of gasket 7 is resisted against the outer of outer ball 4
On end face.The both ends of needle roller 5 all have ballhead 5a, and the ballhead 5a of 5 inner end of needle roller can be resisted against on baffle ring 3d, needle roller 5
The ballhead 5a of outer end can be resisted against on gasket 7.
Between the medial surface of interior ball 2 and the outer end face of interior ball 2 and the medial surface of interior ball 2 and interior ball 2 it is interior
Chamfering is provided between end face.The lateral surface of interior ball 2 is spherical, and the medial surface at 3 middle part of ball seat has and interior ball 2
Lateral surface cooperation plane of oscillation 3a, there is on the medial surface of 3 inner end of ball seat flaring face 3b, the medial surface of 3 outer end of ball seat
For cylindrical surface.Oil storage window 3c is offered on the medial surface of ball seat 3, oil storage window 3c extends through the lateral surface of ball seat 3, storage
Oily window 3c include one 3c1 of window portion being arranged on plane of oscillation 3a and be arranged in flaring face 3b on two 3c2 of window portion, window
The axial height of one 3c1 of portion is less than the axial height of needle roller 5.There are two oil storage window 3c and is symmetrical arranged.The outside of ball seat 3
It is provided with annular groove 3e at baffle ring 3d on face, annular groove 3e is connected to oil storage window 3c.
Lubricant grease can enter two 3c2 of window portion from one 3c1 of window portion, and lubricant grease stores up in oil storage window 3c
It deposits.Lubricant grease at two 3c2 of window portion can directly contact the lateral surface and needle roller 5 of interior ball 2, and lubricant grease is in ball
It constantly enters during the swing of ring seat 3 between the lateral surface and mating surface of interior ball 2 and is adequately lubricated, lubricant grease
It is right between the medial surface of outer ball 4 and the lateral surface of ball seat 3 to enter during the rotation of outer ball 4 and needle roller 5 roll
Needle roller 5 is adequately lubricated, and lubricating action caused by cannot being replenished in time after avoiding lubricant grease from being extruded is insufficient, to mention
The stability of high three ball pins work.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (5)
1. a kind of three ball pins, including ontology (1), tool is set with there are three pin shaft (1a) on the pin shaft (1a) on the ontology (1)
The ball that can be swung on interior ball (2) can be set on the interior ball (2) axially slid, the interior ball (2) by having
Seat (3) is set with the outer ball (4) that can be rotated around ball seat (3), the inside of the outer ball (4) on the ball seat (3)
It is provided between face and the lateral surface of ball seat (3) needle roller (5), the lateral surface of the interior ball (2) is spherical, the ball
There is the plane of oscillation (3a) cooperated with the lateral surface of interior ball (2), ball seat (3) inner end on medial surface in the middle part of seat (3)
Medial surface on have flaring face (3b), which is characterized in that offer oil storage window on the medial surface of the ball seat (3)
(3c), the oil storage window (3c) extend through the lateral surface of ball seat (3), and the oil storage window (3c) includes being arranged in plane of oscillation
The window portion two (3c2) of window portion one (3c1) and setting in flaring face (3b) on (3a), the window portion one (3c1)
Axial height is less than the axial height of needle roller (5).
2. three ball pin according to claim 1, which is characterized in that there are two the oil storage windows (3c) and is symmetrical arranged.
3. three ball pin according to claim 1, which is characterized in that have on the lateral surface of ball seat (3) inner end convex
The inner face of baffle ring (3d) out, the outer ball (4) is resisted against on baffle ring (3d), the lateral surface of ball seat (3) outer end
On be fixed with retainer ring (6), against being provided with gasket (7) between the inner face of the retainer ring (6) and the outer end face of outer ball (4),
The both ends of the needle roller (5) all have ballhead (5a), and the ballhead (5a) of needle roller (5) inner end can be resisted against baffle ring
On (3d), the ballhead (5a) of needle roller (5) outer end can be resisted against on gasket (7).
4. three ball pin according to claim 1 to 3, which is characterized in that the medial surface and interior ball of the interior ball (2)
Chamfering is provided between the outer end face of ring (2) and between the medial surface of interior ball (2) and the inner face of interior ball (2).
5. three ball pin according to claim 2, which is characterized in that close to baffle ring on the lateral surface of the ball seat (3)
It is provided at (3d) annular groove (3e), the annular groove (3e) is connected to oil storage window (3c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006059.8U CN209146167U (en) | 2018-11-30 | 2018-11-30 | A kind of three ball pins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006059.8U CN209146167U (en) | 2018-11-30 | 2018-11-30 | A kind of three ball pins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209146167U true CN209146167U (en) | 2019-07-23 |
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ID=67288526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822006059.8U Active CN209146167U (en) | 2018-11-30 | 2018-11-30 | A kind of three ball pins |
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| Country | Link |
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| CN (1) | CN209146167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030964A (en) * | 2021-03-05 | 2022-09-09 | 上海纳铁福传动系统有限公司 | Novel constant-speed movable joint three-pin joint roller bearing |
-
2018
- 2018-11-30 CN CN201822006059.8U patent/CN209146167U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030964A (en) * | 2021-03-05 | 2022-09-09 | 上海纳铁福传动系统有限公司 | Novel constant-speed movable joint three-pin joint roller bearing |
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