CN103047304A - Three-pin assembly combined by joint bearing and sliding bearing and universal joint thereof - Google Patents
Three-pin assembly combined by joint bearing and sliding bearing and universal joint thereof Download PDFInfo
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- CN103047304A CN103047304A CN2013100119317A CN201310011931A CN103047304A CN 103047304 A CN103047304 A CN 103047304A CN 2013100119317 A CN2013100119317 A CN 2013100119317A CN 201310011931 A CN201310011931 A CN 201310011931A CN 103047304 A CN103047304 A CN 103047304A
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- bearing
- pin
- joint
- sliding bearing
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Abstract
The invention discloses a three-pin assembly combined by a joint bearing and a sliding bearing. The three-pin assembly comprises a three-pin support, a sliding bearing sleeves every pin of the three-pin support, the sliding bearing and a three-pin are in an interference fit, a joint bearing sleeves outside every sliding bearing, and joint bearing and the sliding bearing are in an interference fit. A three-pin constant velocity universal joint is also disclosed. The three-pin constant velocity universal joint comprises a driving shaft, a driven shaft, a casing and the three-pin assembly mentioned above, wherein the driving shaft and the three-pin support are in spline connection, a channel which matches with the joint bearing is arranged inside one end of the casing, and the other end of the casing is connected with the driven shaft. The three-pin assembly combined by joint bearing and sliding bearing and universal joint thereof have less parts, low manufacturing cost, high assembly efficiency, high load capacity and long service life.
Description
Technical field
The present invention relates to three Assembly of pin, specifically three Assembly of pin of a kind of joint shaft bearing and sliding bearing combination; Also relate to simultaneously the universal joint that has adopted this three Assembly of pin.
Background technique
Three Assembly of pin of conventional construction comprise spider and ball, and the axis of three bearing pins is distributed on the same plane on the spider; Ball is symmetrical outer spherical surface, and the ball internal diameter is by completely filling on the needle roller assembling bearing pin, and ball can rotate around bearing pin.
The internal spline of spider is connected with splined shaft, and splined shaft is driving shaft; Three Assembly of pin are placed in the pot shell, and pot shell is connected with driven shaft; Driving shaft drives driven shaft by three Assembly of pin and rotates.
For preventing that needle roller and ball from coming off at work, specialized designs three opening jump rings, place respectively three jump-ring slots at three bearing pin tops of spider, more corresponding structure of joining three punching press back-up rings.
Show that through use following deficiency is arranged:
(1) three Assembly of pin parts of conventional construction are too many, and manufacture cost is high, and assembly process is many and complicated, and efficiency of assembling is low.
(2) the conventional construction ball is undersized, and bearing capacity reduces.
(3) very high to physical dimension, precision, intensity and the toughness reguirements of punching press back-up ring, owing to be sheet stamping, be prone to crackle and breakage causes needle roller to come off.
(4) because three bearing pins of spider must grinding, and each axle journal place all will process a grinding wheel groove, each top also will process a jump-ring slot, has increased the operation process of spider, has also increased the difficulty of cost and quality control.
(5) because needle roller is that line contacts with ball, and bearing capacity is low, and needle roller very easily damages, these three Assembly of pin life-spans that show conventional construction are low.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention discloses three Assembly of pin of a kind of joint shaft bearing and sliding bearing combination, this Assembly of pin part is few, low cost of manufacture, efficiency of assembling high, bearing capacity is strong, long service life.
The present invention has adopted following technological scheme:
Three Assembly of pin of joint shaft bearing and sliding bearing combination comprise spider, and the bearing pin of spider is arranged with respectively a sliding bearing outward, sliding bearing and three bearing pin interference fit; Sliding bearing is arranged with respectively a joint shaft bearing outward, joint shaft bearing and sliding bearing Spielpassung.
Three sliding bearings are pressed into respectively on three bearing pins of spider, then three joint shaft bearings are installed to respectively on the external diameter of sliding bearing, form three Assembly of pin of the present invention.
The invention also discloses a kind of three bearing pin constant velocity universal joints, comprise driving shaft, driven shaft, pot shell and aforesaid three Assembly of pin, driving shaft and spider spline joint; Pot shell one end inside is provided with the raceway groove that cooperates with joint shaft bearing, and the pot shell the other end is connected with driven shaft.
Three Assembly of pin are inserted in the spider, again three Assembly of pin are placed in the pot shell, thereby consist of constant velocity universal joint.
The present invention has cancelled jump ring, punching press back-up ring and the needle roller of three Assembly of pin of conventional construction, replaces three groups with three sliding bearings and completely fills needle roller, replaces three balls with three joint shaft bearings.
The invention has the beneficial effects as follows: can not only steadily, flexibly, reliably and accurately transmit motion and moment of torsion, and also compact structure, reasonable, improve bearing capacity, be convenient to processing and check, improve and process and efficiency of assembling.
Description of drawings
Fig. 1 is plan view of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Number in the figure: 1-joint shaft bearing, 2-sliding bearing, 3-spider, 4-bearing pin, 5-internal spline.
Embodiment
Below in conjunction with drawings and Examples invention is described further:
As depicted in figs. 1 and 2, three Assembly of pin of joint shaft bearing and sliding bearing combination comprise spider 3, bearing pin 4 an outer sliding bearing 2, sliding bearing and the three bearing pin interference fit of being arranged with respectively of spider; Sliding bearing is arranged with respectively a joint shaft bearing 1 outward, joint shaft bearing and sliding bearing Spielpassung; The spider inwall is provided with internal spline 5.
A kind of three bearing pin constant velocity universal joints comprise driving shaft, driven shaft, pot shell and aforesaid three Assembly of pin, and driving shaft is provided with the external splines that cooperates with the internal spline of spider; Pot shell one end inside is provided with the raceway groove that cooperates with joint shaft bearing, and the pot shell the other end is connected with driven shaft.Behind driving shaft and the spider spline joint, the raceway groove with in the three Assembly of pin insertion pot shell namely forms universal joint.
This patent product loads moment of torsion and has improved 13.3% than industry standard through test, and frequency accelerates 50%, and product is without any damage; Durability (life-span) improves more than 17%.Series of experimental results shows that the reliability of this patent product and life-span have had significantly improves.
Claims (2)
1. three Assembly of pin of joint shaft bearing and sliding bearing combination is characterized in that comprise spider, the bearing pin of spider is arranged with respectively a sliding bearing outward, sliding bearing and three bearing pin interference fit; Sliding bearing is arranged with respectively a joint shaft bearing outward, joint shaft bearing and sliding bearing Spielpassung.
2. a bearing pin constant velocity universal joint is characterized in that, comprises driving shaft, driven shaft, pot shell and three Assembly of pin as claimed in claim 1, driving shaft and spider spline joint; Pot shell one end inside is provided with the raceway groove that cooperates with joint shaft bearing, and the pot shell the other end is connected with driven shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100119317A CN103047304A (en) | 2013-01-14 | 2013-01-14 | Three-pin assembly combined by joint bearing and sliding bearing and universal joint thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100119317A CN103047304A (en) | 2013-01-14 | 2013-01-14 | Three-pin assembly combined by joint bearing and sliding bearing and universal joint thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103047304A true CN103047304A (en) | 2013-04-17 |
Family
ID=48060080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100119317A Pending CN103047304A (en) | 2013-01-14 | 2013-01-14 | Three-pin assembly combined by joint bearing and sliding bearing and universal joint thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103047304A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192154A (en) * | 1976-10-27 | 1980-03-11 | Hitachi Construction Machinery Co., Ltd. | Constant velocity universal joint |
| US4505688A (en) * | 1981-02-12 | 1985-03-19 | Barry Wright Corporation | Constant velocity coupling having laminated elastomeric bearings |
| JP2000240674A (en) * | 1999-02-23 | 2000-09-05 | Ntn Corp | Tripod type constant velocity universal joint |
| CN101363481A (en) * | 2008-08-18 | 2009-02-11 | 石宝枢 | Three-knuckle bearing type cardan joint |
| CN201779166U (en) * | 2010-07-27 | 2011-03-30 | 比亚迪股份有限公司 | Ball pin type constant speed universal joint |
| CN203098611U (en) * | 2013-01-14 | 2013-07-31 | 浙江威邦机电科技有限公司 | Three-pin shaft assembly with combined knuckle bearings and sliding bearings and universal joint thereof |
-
2013
- 2013-01-14 CN CN2013100119317A patent/CN103047304A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192154A (en) * | 1976-10-27 | 1980-03-11 | Hitachi Construction Machinery Co., Ltd. | Constant velocity universal joint |
| US4505688A (en) * | 1981-02-12 | 1985-03-19 | Barry Wright Corporation | Constant velocity coupling having laminated elastomeric bearings |
| JP2000240674A (en) * | 1999-02-23 | 2000-09-05 | Ntn Corp | Tripod type constant velocity universal joint |
| CN101363481A (en) * | 2008-08-18 | 2009-02-11 | 石宝枢 | Three-knuckle bearing type cardan joint |
| CN201779166U (en) * | 2010-07-27 | 2011-03-30 | 比亚迪股份有限公司 | Ball pin type constant speed universal joint |
| CN203098611U (en) * | 2013-01-14 | 2013-07-31 | 浙江威邦机电科技有限公司 | Three-pin shaft assembly with combined knuckle bearings and sliding bearings and universal joint thereof |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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Application publication date: 20130417 |