CN111255812A - Ball head type tripod universal joint with composite structure - Google Patents
Ball head type tripod universal joint with composite structure Download PDFInfo
- Publication number
- CN111255812A CN111255812A CN202010186490.4A CN202010186490A CN111255812A CN 111255812 A CN111255812 A CN 111255812A CN 202010186490 A CN202010186490 A CN 202010186490A CN 111255812 A CN111255812 A CN 111255812A
- Authority
- CN
- China
- Prior art keywords
- ring
- inner ring
- tripod
- universal joint
- bearing
- 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.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 10
- 210000003739 neck Anatomy 0.000 claims abstract description 9
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000001050 lubricating effect Effects 0.000 abstract description 4
- 239000004519 grease Substances 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- F16D3/16—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
- F16D3/202—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 one coupling part having radially projecting pins, e.g. tripod joints
- F16D3/205—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 one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
- F16D3/2055—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 one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part having three pins, i.e. true tripod joints
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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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
-
- 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
- F16N—LUBRICATING
- F16N15/00—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions
-
- 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
- F16D2300/00—Special features for couplings or clutches
- F16D2300/06—Lubrication details not provided for in group F16D13/74
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a ball head type tripod universal joint with a composite structure, which mainly comprises a tripod head, an inner ring, an outer ring, a retainer ring and a bearing, wherein the bearing is arranged on three shaft necks of the tripod head, the inner ring of the bearing is sleeved on the shaft necks of the tripod head in a matching way, the outer diameter of the inner ring is arranged on the outer ring in a matching way, the outer diameter of the inner ring is in matching contact with the inner diameter of the outer ring to realize circumferential fixation, and the two ends of the inner ring are axially positioned through the retainer ring fixed on the outer. Grooves are designed on the inner hole wall of the outer ring and the outer hole wall of the inner ring. The groove is filled with solid lubricant. The invention realizes the low part of the constant-speed transmission shaft, and cancels parts such as three-ball pin universal joint roller pin and the like and lubricating grease between the ball ring and the roller pin; the structure is simple and the self-lubricating function is realized; the tripod universal joint has the advantages that the roller pins are omitted, the shaft diameter of the tripod is increased, the structure of the tripod universal joint is simplified, the technical requirement is low, the assembling is convenient, the manufacturing difficulty and the manufacturing cost are reduced, and the strength and the service life of the tripod universal joint are improved.
Description
Technical Field
The invention relates to the field of universal joints, in particular to a ball head type tripod universal joint with a composite structure.
Background
The constant velocity universal joint is a device which connects two shafts with an included angle or a changed mutual position between the shafts and enables the two shafts to transmit power at the same angular velocity, and can overcome the problem of non-constant velocity of the common cross shaft type universal joint. Ball head type tripod balls are commonly used because they work well at large pivot angles. The main structure of the ball head type tripod universal joint in the prior art is shown in the first attached drawing, and mainly comprises: the three-ball pin assembling device comprises a three-pin frame 1, a roller pin retainer ring 2, an original inner ring 3, a roller pin 4, an original outer ring 5 and a small bearing assembly 6, wherein in order to ensure that the needle does not fall off or clamp during assembling and working of the three-ball pin, the roller pin retainer ring 2 is required to be used, and proper amount of lubricating grease is coated among the original outer ring 5, the roller pin 4 and the original inner ring 3 during assembling, so that the effects of reducing friction and prolonging the service life are achieved. Meanwhile, the circumferential clearance among the roller pins 4, the radial clearance formed by the matching of the original outer ring 5, the original inner ring 3 and the roller pins 4, the axial clearance between the original inner ring 3 and the roller pin retainer ring 2, the axial clearance between the roller pin retainer ring 2 and the roller pins 4 and the like meet the technical requirements, so that the performance requirement is high, the manufacturing and assembling difficulty is high, and the manufacturing cost is high. In addition, because the needle roller 4 is stressed greatly and the space of the original outer ring 5 and the original inner ring 3 is limited, the needle roller 4 is fragile in the working environment with high strength, the function of the tripod universal joint is reduced or failed, and the service life of the ball ring assembly is limited.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a ball head type tripod universal joint with a composite structure.
The purpose of the invention is achieved by the following technical scheme: the ball-head type tripod universal joint with the composite structure mainly comprises a tripod head, an inner ring, an outer ring, a retainer ring and a bearing, wherein the bearing is arranged on three shaft necks of the tripod head, the inner ring of the bearing is sleeved on the shaft necks of the tripod head in a matched mode, the outer ring is arranged on the outer diameter of the inner ring in a matched mode, the outer diameter of the inner ring is in matched contact with the inner diameter of the outer ring to achieve circumferential fixation, and the two ends of the inner ring are axially positioned through the retainer ring fixed on the outer.
And a groove A is designed on the inner hole wall of the outer ring, and the groove A is filled with a solid lubricant.
And a groove B is designed on the wall of the outer hole of the inner ring, and the groove B is filled with a solid lubricant.
The invention has the beneficial effects that: the invention realizes the low part of the constant-speed transmission shaft, and cancels parts such as three-ball pin universal joint roller pin and the like and lubricating grease between the ball ring and the roller pin; the structure is simple and the self-lubricating function is realized; the tripod universal joint has the advantages that the roller pins are omitted, the shaft diameter of the tripod is increased, the structure of the tripod universal joint is simplified, the technical requirement is low, the assembling is convenient, the manufacturing difficulty and the manufacturing cost are reduced, and the strength and the service life of the tripod universal joint are improved.
Drawings
Fig. 1 is a schematic structural diagram of the prior art.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic view of the outer ring of the present invention.
Fig. 4 is a schematic view of the inner ring of the present invention.
Fig. 5 is a schematic view of embodiment 2 of the present invention.
Fig. 6 is a schematic view of embodiment 3 of the present invention.
Description of reference numerals: the novel roller pin bearing comprises a tripod 1, a roller pin retainer ring 2, an original inner ring 3, a roller pin 4, an original outer ring 5, a small bearing assembly 6, an outer ring 7, a retainer ring 8, a bearing 9, an inner ring 10, a groove A11 and a groove B12.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example 1: as shown in fig. 2, the ball-end type tripod universal joint with the composite structure mainly comprises a tripod 1, an inner ring 10, an outer ring 7, a retainer ring 8 and a bearing 9, wherein the bearing 9 is installed on three shaft necks of the tripod 1, the inner ring 10 of the bearing 9 is sleeved on the shaft neck of the tripod 1 in a matching way, the outer ring 7 is installed on the outer diameter of the inner ring 10 in a matching way, the outer diameter of the inner ring 10 is in matching contact with the inner diameter of the outer ring 7 to realize circumferential fixation, and the two ends of the inner ring 10 are axially positioned through the retainer ring 8 fixed on the outer ring 7. The inner hole wall of the outer ring 7 and the outer hole wall of the inner ring 10 are respectively provided with a groove A11 and a groove B12. The grooves 11 and B12 may also be circular holes. The number and size of the grooves 11 and the grooves B12 are determined according to specific working conditions and structures. The grooves 11 and B12 are filled with a solid lubricant. When the inner hole of the outer ring 7 and the outer diameter surface of the inner ring 10 move relatively, a thin lubricating film is rapidly formed between the generated friction surfaces due to the filled solid lubricant, and because the shearing strength is low, the adhered shearing is generated in the film during sliding, and the friction between metals is changed into the friction between the solid lubricants, thereby playing a role in lubrication.
According to the invention, the roller pin 4 is eliminated, and the technical requirements such as the size of the inner diameter of the outer ring 7, the size of the outer diameter of the inner ring 10 and the size of the shaft neck of the tripod 1 are only required to be considered, and the technical requirements such as the circumferential clearance of the roller pin 4, the radial clearance of the original inner ring 3, the original outer ring 5 and the roller pin 4, the axial clearance of the original inner ring 3 and the roller pin retainer 2, the axial clearance of the roller pin retainer 2 and the roller pin 4 and the.
Example 2: as shown in fig. 5, in embodiment 1, only the inner hole wall of the outer ring 7 is provided with a groove a 11. The outer bore wall of the inner race 10 is free of the groove B12.
Example 3: as shown in fig. 6, on the basis of embodiment 1, only 10 outer hole walls are provided with grooves B12. The inner hole wall of the outer ring 7 is not provided with a groove A11 on the inner ring.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (3)
1. The utility model provides a ball head type tripod universal joint of composite construction which characterized in that: the three-pin bearing mainly comprises a three-pin frame (1), an inner ring (10), an outer ring (7), a check ring (8) and a bearing (9), wherein the bearing (9) is installed on three shaft necks of the three-pin frame (1), the inner ring (10) of the bearing (9) is sleeved on the shaft necks of the three-pin frame (1) in a matched mode, the outer ring (7) is installed in an outer diameter matched mode through the inner ring (10), the outer diameter of the inner ring (10) is in contact with the inner diameter of the outer ring (7) in a matched mode to achieve circumferential fixation, and the two ends of the inner ring (10) are axially.
2. A composite structural ball-nose tripod joint according to claim 1, wherein: a groove A (11) is designed on the inner hole wall of the outer ring (7), and the groove A (11) is filled with solid lubricant.
3. A composite structural ball-nose tripod joint according to claim 1, wherein: a groove B (12) is designed on the wall of the outer hole of the inner ring (10), and the groove B (12) is filled with a solid lubricant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010186490.4A CN111255812A (en) | 2020-03-17 | 2020-03-17 | Ball head type tripod universal joint with composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010186490.4A CN111255812A (en) | 2020-03-17 | 2020-03-17 | Ball head type tripod universal joint with composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111255812A true CN111255812A (en) | 2020-06-09 |
Family
ID=70951504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010186490.4A Pending CN111255812A (en) | 2020-03-17 | 2020-03-17 | Ball head type tripod universal joint with composite structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111255812A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378681A (en) * | 2020-12-04 | 2021-02-19 | 万向钱潮股份有限公司 | Device and method for detecting functional area of three-pin-frame journal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202851714U (en) * | 2012-10-11 | 2013-04-03 | 马保国 | Sliding bearing cross package of entire fork cross axle universal coupling |
| CN205036745U (en) * | 2015-09-07 | 2016-02-17 | 万向钱潮股份有限公司 | Three balls of flat spindle nose round pin universal joint |
| CN108443340A (en) * | 2018-04-26 | 2018-08-24 | 华南理工大学 | A kind of combined three ball pin style constant speed universal joint of ball steel ball |
| CN207879884U (en) * | 2018-01-12 | 2018-09-18 | 万向钱潮股份有限公司 | A kind of long-life tripod universal joint with big swing angle |
| CN212155526U (en) * | 2020-03-17 | 2020-12-15 | 万向钱潮股份有限公司 | Ball head type tripod universal joint with composite structure |
-
2020
- 2020-03-17 CN CN202010186490.4A patent/CN111255812A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202851714U (en) * | 2012-10-11 | 2013-04-03 | 马保国 | Sliding bearing cross package of entire fork cross axle universal coupling |
| CN205036745U (en) * | 2015-09-07 | 2016-02-17 | 万向钱潮股份有限公司 | Three balls of flat spindle nose round pin universal joint |
| CN207879884U (en) * | 2018-01-12 | 2018-09-18 | 万向钱潮股份有限公司 | A kind of long-life tripod universal joint with big swing angle |
| CN108443340A (en) * | 2018-04-26 | 2018-08-24 | 华南理工大学 | A kind of combined three ball pin style constant speed universal joint of ball steel ball |
| CN212155526U (en) * | 2020-03-17 | 2020-12-15 | 万向钱潮股份有限公司 | Ball head type tripod universal joint with composite structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378681A (en) * | 2020-12-04 | 2021-02-19 | 万向钱潮股份有限公司 | Device and method for detecting functional area of three-pin-frame journal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant after: Wanxiang Qianchao Co.,Ltd. Applicant after: WANXIANG GROUP Co.,Ltd. Address before: No.1 Wanxiang Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Applicant before: WANXIANG QIANCHAO Co.,Ltd. Applicant before: WANXIANG GROUP Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200609 |
|
| RJ01 | Rejection of invention patent application after publication |