CN108953403B - Rolling type tripod universal joint assembly - Google Patents
Rolling type tripod universal joint assembly Download PDFInfo
- Publication number
- CN108953403B CN108953403B CN201810864974.2A CN201810864974A CN108953403B CN 108953403 B CN108953403 B CN 108953403B CN 201810864974 A CN201810864974 A CN 201810864974A CN 108953403 B CN108953403 B CN 108953403B
- Authority
- CN
- China
- Prior art keywords
- rolling
- arc
- pin
- universal joint
- ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 53
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
A rolling type three-ball pin universal joint assembly comprises a three-pin shaft fork and three-ball pins. Three sliding grooves are uniformly distributed on the three-pin shaft fork, and the side surfaces of two sliding grooves of each sliding groove are arc-shaped side surfaces. The three ball pins are provided with three foot shaft mounting planes, one ends of two mutually parallel foot shafts extend into the sliding groove, and the other ends of the two mutually parallel foot shafts are fixedly connected with the corresponding foot shaft mounting planes. The foot shafts extending into the sliding grooves respectively pass through one rolling ring, the outer surfaces of the rolling rings comprise an arc-shaped surface, the arc-shaped surfaces of the two rolling rings are contacted with the corresponding side surfaces of the sliding grooves, the arc-shaped surfaces of the rolling rings in the same sliding groove are contacted with each other, and a gap is reserved between the two end surfaces outside the arc-shaped surfaces of the rolling rings and the corresponding surfaces of the three-pin shaft fork and the three-ball pin respectively. The advantages are that: the three-ball-pin universal joint has reasonable integral structure, can lighten the weight of the three-ball-pin universal joint assembly by more than 5 percent, meets the requirement of industry light weight, and effectively reduces the problem that corresponding components of the three-ball-pin universal joint assembly are easy to wear due to sliding friction in use.
Description
Technical Field
The invention relates to a part of an automobile transmission system, in particular to a novel three-ball-pin universal joint assembly.
Background
The tripod universal joint assembly is an important structure for use in automobiles. In the traditional three-ball-pin universal joint assembly, the total number of rolling rings is three, more sliding friction often occurs after assembly, the problem of abrasion easily occurs, and the three-ball-pin universal joint assembly has adverse effects on maintenance and use cost of automobiles. Therefore, it is an important issue in the industry to find a tripod joint assembly that is not prone to wear during use.
Disclosure of Invention
The invention mainly aims to provide a three-ball-pin universal joint assembly which is not easy to wear.
The technical scheme adopted by the invention is as follows: a rolling type tripod universal joint assembly comprises a tripod shaft yoke, a tripod pin, a foot shaft and a rolling ring. Three sliding grooves are uniformly distributed on the three-pin shaft fork, and the side surfaces of two sliding grooves of each sliding groove are arc-shaped side surfaces. Correspondingly, three pin shaft mounting surfaces are arranged on the three ball pins, one ends of two pin shafts which are parallel to each other extend into the sliding groove, and the other ends of the two pin shafts are fixedly connected with the corresponding pin shaft mounting surfaces. The foot shafts extending into the sliding grooves respectively pass through one rolling ring, the outer surfaces of the rolling rings comprise an arc-shaped surface, the arc-shaped surfaces of the two rolling rings are contacted with the corresponding side surfaces of the sliding grooves, the arc-shaped surfaces of the rolling rings in the same sliding groove are contacted with each other, and a gap is reserved between the two end surfaces outside the arc-shaped surfaces of the rolling rings and the corresponding surfaces of the three-pin shaft fork and the three-ball pin respectively.
According to the invention, the matching between the corresponding arc surfaces of the sliding groove and the rolling ring has a positioning function, and the two end surfaces except the arc surface of the rolling ring are further matched with the structural characteristics of gaps between the corresponding surfaces of the three-pin shaft fork and the three-ball pin, so that sliding friction is not easy to occur in the three-pin shaft fork and three-ball pin connecting structure, so that serious abrasion is not easy to occur, the weight of the three-ball pin universal joint assembly is reduced by more than 5%, the requirement of industry light weight is met, the driving cost of an automobile is reduced, and the three-pin universal joint assembly has good influence on the maintenance and use cost of the automobile as a whole. In particular to a unique matching structure of the arc-shaped side surfaces of two sliding grooves of the sliding groove and the arc-shaped surface of the rolling ring, and the clearance between the two end surfaces outside the arc-shaped surface of the rolling ring and the corresponding surfaces of the three-pin shaft fork and the three-ball pin is easily ensured. Accordingly, the present invention is a three ball and socket joint assembly of great priority.
Preferably, the foot axle mounting surface is a planar surface. The preferable scheme has the advantages of simple structure, easy processing and manufacturing and low processing and manufacturing cost.
Preferably, the bottom of the chute is an arc cylindrical surface. Further preferably a circular arc cylindrical surface. The preferable scheme has reasonable structure and easy processing and manufacturing.
Preferably, the end surface of the foot shaft far away from the tripod is an arc-shaped surface. The preferable scheme has reasonable structure and easy processing and manufacturing.
Preferably, the device also comprises a clamp and a gasket; the foot shaft extends out of the rolling ring, a ring groove is arranged on the part of the foot shaft extending out of the rolling ring, the clamp is arranged on the ring groove, and the gasket is arranged between the clamp and the corresponding end part of the rolling ring. According to the preferred scheme, the rolling ring is firstly arranged on the corresponding foot shaft, then the clamp and the gasket are arranged, and then the tripod pin and foot shaft assembly with the rolling ring, the clamp and the gasket are arranged on the tripod shaft fork, so that the installation speed block is high, and the quality is high.
Preferably, a copper sleeve is arranged between the foot shaft and the rolling ring. The preferable scheme is not seen before, the corresponding motion friction resistance can be further reduced, and the advancement of the three-pin shaft fork and three-ball pin connecting structure is improved.
In summary, the beneficial effects of the invention are as follows: the three-pin universal joint has reasonable integral structure, can lighten the weight of the three-ball pin universal joint assembly by more than 5 percent, meets the requirement of industry light weight, and effectively reduces the problem that corresponding components of the three-pin shaft fork and three-ball pin connecting structure are easy to wear due to sliding friction in use, thereby reducing corresponding use and maintenance cost and prolonging corresponding service life. The present invention is therefore a very excellent tripod joint assembly.
Drawings
Fig. 1: a schematic structural diagram of a first embodiment of the present invention;
in the figure: three-pin shaft yoke 1, a sliding groove 1.1, a sliding groove side surface 1.2, a groove bottom 1.3, three-ball pins 2, a foot shaft mounting surface 2.1, a foot shaft 3, a rolling ring 4, a clamp 5 and a gasket 6.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
Embodiment one:
As shown in fig. 1, the present invention includes a tripod shaft yoke 1, a tripod pin 2, a foot shaft 3, a rolling ring 4, a yoke 5, and a washer 6. Three sliding grooves 1.1 are uniformly distributed on the three-pin shaft fork 1, and two sliding groove side surfaces 1.2 of each sliding groove 1.1 are arc-shaped side surfaces; correspondingly, three pin shaft mounting surfaces 2.1 are arranged on the three ball pins 2, one ends of two pin shafts 3 which are parallel to each other extend into the sliding groove 1.1, and the other ends of the two pin shafts are fixedly connected with the corresponding pin shaft mounting surfaces 2.1. Preferably, in this embodiment, the mounting surface 2.1 of the foot shaft is a plane, the groove bottom 1.3 of the chute 1.1 is an arc cylindrical surface, and the end surface of the foot shaft 3 far away from the tripod head 2 is an arc surface. The foot shafts 3 extending into the sliding grooves 1.1 respectively pass through one rolling ring 4, the outer surfaces of the rolling rings 4 comprise an arc-shaped surface, the arc-shaped surfaces of the two rolling rings 4 are contacted with the corresponding sliding groove side surfaces 1.2, and the arc-shaped surfaces of the rolling rings 4 in the same sliding groove 1.1 are contacted with each other; the two end surfaces of the rolling ring 4, except the arc-shaped surface, are respectively provided with gaps with the corresponding surfaces of the three-pin shaft fork 1 and the three-ball pin 2. Preferably, the foot shaft 3 extends out of the rolling ring 4, the portion of the foot shaft 3 extending out of the rolling ring 4 is provided with a ring groove, the clip 5 is mounted on the ring groove, and the washer 6 is provided between the clip 5 and the corresponding end of the rolling ring 4.
Embodiment two:
The second embodiment is different from the first embodiment in that a copper sleeve is provided between the foot shaft 3 and the rolling ring 4 in the second embodiment. Preferably, the copper sleeve is a graphite copper sleeve, so that friction resistance is reduced, and the service life is prolonged.
The above embodiments are merely preferred embodiments of the present invention, and are not intended to limit the specific structures and the scope of the present invention. Indeed, equivalent variations on the shape, construction and design purposes described in accordance with the present invention may be made. Therefore, all changes in shape, structure and design that come within the meaning and range of equivalency of the invention are to be embraced within their scope.
Claims (5)
1. A rolling type three-ball pin universal joint assembly comprises a three-pin shaft fork (1) and a three-ball pin (2); the method is characterized in that: the utility model also comprises a plurality of foot shafts (3) and rolling rings (4); three sliding grooves (1.1) are uniformly distributed on the three-pin shaft fork (1), and two sliding groove side surfaces (1.2) of each sliding groove (1.1) are arc-shaped side surfaces; correspondingly, three pin shaft mounting surfaces (2.1) are arranged on the three ball pins (2), one ends of two mutually parallel pin shafts (3) extend into the sliding groove (1.1), and the other ends of the two mutually parallel pin shafts are fixedly connected with the corresponding pin shaft mounting surfaces (2.1); the foot shafts (3) extending into the sliding grooves (1.1) respectively pass through one rolling ring (4), the outer surfaces of the rolling rings (4) comprise an arc-shaped surface, the arc-shaped surfaces of the two rolling rings (4) are contacted with the corresponding sliding groove side surfaces (1.2), and the arc-shaped surfaces of the rolling rings (4) in the same sliding groove (1.1) are contacted with each other; the two end faces outside the arc-shaped surface of the rolling ring (4) are respectively provided with gaps with corresponding surfaces of the three-pin shaft fork (1) and the three-ball pin (2), a copper sleeve is arranged between the foot shaft (3) and the rolling ring (4), the copper sleeve is a graphite copper sleeve, and the matching between corresponding arc-shaped surfaces of the sliding groove (1.1) and the rolling ring (4) has a positioning effect.
2. A rolling tripod universal joint assembly as defined in claim 1, wherein: the foot axle mounting surface (2.1) is a plane.
3. A rolling tripod universal joint assembly as defined in claim 1, wherein: the groove bottom (1.3) of the chute (1.1) is an arc cylindrical surface.
4. A rolling tripod universal joint assembly as defined in claim 1, wherein: the end face of the foot shaft (3) far away from the tripod (2) is an arc-shaped surface.
5. A rolling tripod universal joint assembly as defined in claim 1, wherein: the device also comprises a clamp (5) and a gasket (6); the foot shaft (3) extends out of the rolling ring (4), a ring groove is formed in the part, extending out of the rolling ring (4), of the foot shaft (3), the clamp (5) is installed on the ring groove, and the gasket (6) is arranged between the clamp (5) and the corresponding end part of the rolling ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810864974.2A CN108953403B (en) | 2018-08-01 | 2018-08-01 | Rolling type tripod universal joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810864974.2A CN108953403B (en) | 2018-08-01 | 2018-08-01 | Rolling type tripod universal joint assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108953403A CN108953403A (en) | 2018-12-07 |
| CN108953403B true CN108953403B (en) | 2024-05-14 |
Family
ID=64465826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810864974.2A Active CN108953403B (en) | 2018-08-01 | 2018-08-01 | Rolling type tripod universal joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953403B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5569089A (en) * | 1993-10-28 | 1996-10-29 | Signorelli; Richard L. | Universal joint construction |
| US5895322A (en) * | 1995-01-11 | 1999-04-20 | Gkn Automotive Ag | Sliding universal joint having an anti-vibration assembly between a spherical roller and a runway |
| JP2006220250A (en) * | 2005-02-14 | 2006-08-24 | Ntn Corp | Tripod type constant velocity joint |
| KR20110032160A (en) * | 2009-09-22 | 2011-03-30 | 주식회사 코우 | Slidable shafts type power transmission device and its designing method |
| CN105570330A (en) * | 2016-01-29 | 2016-05-11 | 万向钱潮股份有限公司 | Manufacturing method for preventing inner component from getting out |
| CN107120356A (en) * | 2017-06-28 | 2017-09-01 | 上海纳铁福传动系统有限公司 | Double rollers three pin-type moves universal joint |
| CN208734748U (en) * | 2018-08-01 | 2019-04-12 | 浙江德福精密驱动制造有限公司 | A kind of roller tripod universal joint assembly |
-
2018
- 2018-08-01 CN CN201810864974.2A patent/CN108953403B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5569089A (en) * | 1993-10-28 | 1996-10-29 | Signorelli; Richard L. | Universal joint construction |
| US5895322A (en) * | 1995-01-11 | 1999-04-20 | Gkn Automotive Ag | Sliding universal joint having an anti-vibration assembly between a spherical roller and a runway |
| JP2006220250A (en) * | 2005-02-14 | 2006-08-24 | Ntn Corp | Tripod type constant velocity joint |
| KR20110032160A (en) * | 2009-09-22 | 2011-03-30 | 주식회사 코우 | Slidable shafts type power transmission device and its designing method |
| CN105570330A (en) * | 2016-01-29 | 2016-05-11 | 万向钱潮股份有限公司 | Manufacturing method for preventing inner component from getting out |
| CN107120356A (en) * | 2017-06-28 | 2017-09-01 | 上海纳铁福传动系统有限公司 | Double rollers three pin-type moves universal joint |
| CN208734748U (en) * | 2018-08-01 | 2019-04-12 | 浙江德福精密驱动制造有限公司 | A kind of roller tripod universal joint assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108953403A (en) | 2018-12-07 |
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