CN207421173U - A kind of efficient lightweight double offset constant velocity cardan joint - Google Patents
A kind of efficient lightweight double offset constant velocity cardan joint Download PDFInfo
- Publication number
- CN207421173U CN207421173U CN201721467626.9U CN201721467626U CN207421173U CN 207421173 U CN207421173 U CN 207421173U CN 201721467626 U CN201721467626 U CN 201721467626U CN 207421173 U CN207421173 U CN 207421173U
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- shell
- constant velocity
- inner race
- cardan joint
- double offset
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Abstract
The utility model is related to universal joint technical fields, more particularly to a kind of efficient lightweight double offset constant velocity cardan joint, include shell, retainer, inner race from outside to inside, steel ball is equipped between the shell and inner race, several outer straight raceways are equipped in the shell, it is connected between straight raceway by circular arc spherical surface, corresponding outer straight raceway is equipped with interior straight raceway on the inner race, the steel ball is arranged between outer straight raceway and interior straight raceway, the circular arc spherical surface is adapted with retainer side and is bonded with it, and the contact angle of the steel ball and outer straight raceway is 29 31 degree.Shell ensures that transmission center is fixed using the integrated design of liner ball road and circular arc spherical surface, and under square one, the internal diameter of inner race can increase very much, realize minimize, lightweight, compared with traditional product can loss of weight more than 15%, while promote stock utilization.The contact angle of steel ball and outer straight raceway is 29 31 degree, preferably 30 degree, ensure that universal joint circumferential clearance, it can be achieved that running at high speed.
Description
Technical field
The utility model is related to universal joint technical fields, and in particular to a kind of efficient lightweight double offset constant velocity cardan joint.
Background technology
Constant velocity cardan joint is the important component in car drivetrain system, and effect is to pass the power of engine from speed changer
The driving wheel of automobile is delivered to, meets the requirement of Car Drive Shaft outer end corner.The power of engine steadily, is reliably passed to
Wheel, the bounce of compensation car inner end suspension, driving car is run at high speed, therefore uses inside(Gear-box side)Sliding, outside(Vehicle
Take turns side)Fixed cage composition.There are many type of constant velocity cardan joint, wherein, Rzeppa constant velocity joint and double-offset constant velocity
Being widely used for universal joint is general, both constant velocity cardan joints be separately employed in outside and inside, and be all by housing, retainer,
Inner sleeve and steel ball are formed.
Present development of automobile needs universal joint assembly that can bear large torque, miniaturization, lightweight, existing double offset etc.
Fast universal joint includes six raceway grooves, seven raceway grooves, eight raceway grooves, and the alley for being provided with steel ball is all arc-shaped, not enough meets big turn round
Square, miniaturization, light-weighted requirement.
The content of the invention
The utility model is in view of the above-mentioned problems, provide a kind of efficient lightweight double offset constant velocity cardan joint.
Technical solution adopted in the utility model is as follows:A kind of efficient lightweight double offset constant velocity cardan joint, by outside extremely
It is interior that steel ball is equipped between the shell and inner race including shell, retainer, inner race, it is equipped in the shell several outer straight
Raceway is connected by circular arc spherical surface between straight raceway, and corresponding outer straight raceway is equipped with interior straight raceway, the steel ball on the inner race
It is arranged between outer straight raceway and interior straight raceway, the circular arc spherical surface is adapted with retainer side and is bonded with it, the steel
The contact angle of ball and outer straight raceway is 29-31 degree.
8 outer straight raceways are equipped in the shell.
The bottom of the inner race is equipped with blanking cover.
Gasket is equipped between the blanking cover and inner race.
The blanking cover is fixed by rolling.
The shell is externally provided with the dirt-proof boot being connected with inner race periphery.
The dirt-proof boot is externally provided with protection cap, and the protection cap is fixedly connected with the shell.
The portion perimeter that the dirt-proof boot is connected with the inner race periphery is equipped with clip.
The shell is connected with spline shell by way of laser welding, and the spline shell internal thread is connected with bolt.
The spline shell is equipped with positioning sleeve, and the magnetic circles of ABS are fixed on the positioning sleeve.
The beneficial effects of the utility model are as follows:Shell ensures transmission using liner ball road and the integrated design of circular arc spherical surface
Center is fixed, and under square one, the internal diameter of inner race can increase very much, miniaturization, lightweight be realized, with traditional product phase
Than can loss of weight more than 15%, while promote stock utilization.The contact angle of steel ball and outer straight raceway is 29-31 degree, preferably 30
Degree, ensure that universal joint circumferential clearance, it can be achieved that running at high speed.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the dimensional structure diagram of shell.
Fig. 3 is the side view of shell.
Fig. 4 is the sectional view of shell.
Fig. 5 is the dimensional structure diagram of inner race.
Fig. 6 is the enlarged diagram of A in Fig. 1.
In figure, 1, bolt;2, blanking cover;3, gasket;4, positioning sleeve;5, ABS magnetic circles;6, shell;601, outer straight raceway;
602, circular arc spherical surface;7, steel ball;8, protection cap;9, dirt-proof boot;10, clip;11, spline shell;12, inner race;1201, interior straight rolling
Road;13, retainer.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model can be better described.
A kind of efficient lightweight double offset constant velocity cardan joint, from outside to inside including shell 6, retainer 13, inner race 12, institute
It states and steel ball 7 is equipped between shell 6 and inner race 12, several outer straight raceways 601 are equipped in the shell 6, are led between straight raceway 601
It crosses circular arc spherical surface 602 to be connected, corresponding outer straight raceway 601 is equipped with interior straight raceway 1201 on the inner race 12, and the steel ball 7 is set
Between outer straight raceway 601 and interior straight raceway 1201, the circular arc spherical surface 602 is adapted with 13 side of retainer and is pasted with it
It closes, the contact angle of the steel ball 7 and outer straight raceway 601 is 29-31 degree.Shell is integrally set using liner ball road and circular arc spherical surface
Meter ensures that transmission center is fixed, and under square one, the internal diameter of inner race can increase very much, realize miniaturization, lightweight,
Compared with traditional product can loss of weight more than 15%, while promote stock utilization.The contact angle of steel ball and outer straight raceway is 29-31
Degree, preferably 30 degree, ensure that universal joint circumferential clearance, it can be achieved that running at high speed.
8 outer straight raceways 601 are equipped in the shell 6.Transmission efficiency is promoted using the distribution of 8 alleys to greatest extent
The bottom of the inner race 12 is equipped with blanking cover 2.Ensure intracavity space sealing, while grease can be reduced and use 30%.
Gasket 3 is equipped between the blanking cover 2 and inner race 12.Improve sealing effect.
The blanking cover 2 is fixed by rolling.Improve sealing effect.
The shell 6 is externally provided with the dirt-proof boot 9 being connected with inner race periphery.Ensure that inner seal is not easy to be damaged by external force
It is bad.
The dirt-proof boot 9 is externally provided with protection cap 8, and the protection cap 8 is fixedly connected with the shell 6.The dirt-proof boot 9 with
The portion perimeter that 12 periphery of inner race is connected is equipped with clip 10.Dirt-proof boot is realized effectively fixed.
The shell 6 is connected with spline shell 11 by way of laser welding, and 11 internal thread of spline shell is connected with spiral shell
Bolt 1.It is designed using Split moduleization, is connected with spline shell using laser welding, also solderable various types connector and high speed
Transmission shaft, transmission torsion are high.
The spline shell 11 is equipped with positioning sleeve 4, and the magnetic circles 5 of ABS are fixed on the positioning sleeve 4.Using electromagnetic induction
ABS gear rings, it is ensured that the accuracy of system data acquisition, and meanwhile it is few by external disturbance.
The foregoing is merely a kind of embodiments of the utility model, are not used for limiting the scope of protection of the utility model;
The scope of protection of the utility model is limited by the claim in claims, and it is every made according to utility model it is equivalent
Variation and modification, all within the protection domain of the utility model patent.
Claims (10)
1. a kind of efficient lightweight double offset constant velocity cardan joint, from outside to inside including shell(6), retainer(13), inner race
(12), the shell(6)With inner race(12)Between be equipped with steel ball(7), it is characterised in that:The shell(6)It is interior be equipped with it is several
Outer straight raceway(601), straight raceway(601)Between pass through circular arc spherical surface(602)Linking, the inner race(12)Straight rolling outside upper correspondence
Road(601)Equipped with interior straight raceway(1201), the steel ball(7)It is arranged on outer straight raceway(601)With interior straight raceway(1201)Between,
The circular arc spherical surface(602)With retainer(13)Side is adapted and is bonded with it, the steel ball(7)With outer straight raceway(601)
Contact angle be 29-31 degree.
2. efficient lightweight double offset constant velocity cardan joint according to claim 1, it is characterised in that:The shell(6)It is interior
Equipped with 8 outer straight raceways(601).
3. efficient lightweight double offset constant velocity cardan joint according to claim 1, it is characterised in that:The inner race(12)
Bottom be equipped with blanking cover(2).
4. efficient lightweight double offset constant velocity cardan joint according to claim 3, it is characterised in that:The blanking cover(2)With
Inner race(12)Between be equipped with gasket(3).
5. the efficient lightweight double offset constant velocity cardan joint according to claim 3 or 4, it is characterised in that:The blanking cover(2)
It is fixed by rolling.
6. the efficient lightweight double offset constant velocity cardan joint according to claim 1 or 3, it is characterised in that:The shell(6)
It is externally provided with and inner race(12)The dirt-proof boot that periphery is connected(9).
7. efficient lightweight double offset constant velocity cardan joint according to claim 6, it is characterised in that:The dirt-proof boot(9)
It is externally provided with protection cap(8), the protection cap(8)With the shell(6)It is fixedly connected.
8. efficient lightweight double offset constant velocity cardan joint according to claim 6, it is characterised in that:The dirt-proof boot(9)
With the inner race(12)The portion perimeter that periphery is connected is equipped with clip(10).
9. efficient lightweight double offset constant velocity cardan joint according to claim 1, it is characterised in that:The shell(6)It is logical
The mode for crossing laser welding is connected with spline shell(11), the spline shell(11)Internal thread is connected with bolt(1).
10. efficient lightweight double offset constant velocity cardan joint according to claim 9, it is characterised in that:The spline shell
(11)It is equipped with positioning sleeve(4), the positioning sleeve(4)On be fixed with the magnetic circles of ABS(5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721467626.9U CN207421173U (en) | 2017-11-07 | 2017-11-07 | A kind of efficient lightweight double offset constant velocity cardan joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721467626.9U CN207421173U (en) | 2017-11-07 | 2017-11-07 | A kind of efficient lightweight double offset constant velocity cardan joint |
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Publication Number | Publication Date |
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CN207421173U true CN207421173U (en) | 2018-05-29 |
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CN201721467626.9U Active CN207421173U (en) | 2017-11-07 | 2017-11-07 | A kind of efficient lightweight double offset constant velocity cardan joint |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020232688A1 (en) * | 2019-05-23 | 2020-11-26 | 江苏格尔顿传动有限公司 | Lightweight wear-resistant universal joint |
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2017
- 2017-11-07 CN CN201721467626.9U patent/CN207421173U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020232688A1 (en) * | 2019-05-23 | 2020-11-26 | 江苏格尔顿传动有限公司 | Lightweight wear-resistant universal joint |
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