CN108006093A - Universal-joint cross trunnion - Google Patents
Universal-joint cross trunnion Download PDFInfo
- Publication number
- CN108006093A CN108006093A CN201711447233.6A CN201711447233A CN108006093A CN 108006093 A CN108006093 A CN 108006093A CN 201711447233 A CN201711447233 A CN 201711447233A CN 108006093 A CN108006093 A CN 108006093A
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- China
- Prior art keywords
- universal
- oil
- oil canal
- canal
- termination
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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
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
A kind of universal-joint cross trunnion provided by the invention, including:Criss-cross universal joint matrix, the end that universal joint matrix is four are respectively provided with termination；Universal joint intrinsic silicon also has longitudinal oil canal and horizontal oil canal, the centre of longitudinal oil canal perforation universal joint matrix and a pair of of termination of universal joint matrix longitudinal direction；The centre of horizontal oil canal perforation universal joint matrix and a pair of of termination of universal joint matrix transverse direction；The oil-through-hole of radial direction, the longitudinal oil canal of oil-through-hole connection or horizontal oil canal are additionally provided with termination.The present invention reduces the distance of flowing, resistance, oil consumption, and adds lubricant effect, reduce dry friction and caused by transmission shaft in the process of running, block, avoid motor-vehicle accident, the service life of universal-joint cross trunnion assembly is also extended.
Description
Technical field
The present invention relates to auto parts field, and in particular to a kind of universal-joint cross trunnion.
Background technology
Universal-joint cross trunnion, that is, universal joint, is the parts for realizing varied angle power transmission, for needing to change transmission shaft
The position in line direction, it is " joint " component of the universal driving device of automobile driving system.Universal-joint cross trunnion and transmission shaft
Combination, is known as universal-joint cross trunnion transmission device.On the vehicle of front engine rear wheel driving, universal-joint cross trunnion transmission
Device is installed between transmission output shaft and main reducing gear of drive axle input shaft；And the vehicle of front engine, front driving saves
Transmission shaft is omited, universal-joint cross trunnion, which is installed on, to be not only responsible for driving but also be responsible between the front axle half shaft and wheel of steering.
Existing Application No. CN200820231987.8's《Easy-to-dismount universal-joint cross axle structure》Patent document,
Universal-joint cross trunnion oil filler point is arranged on the middle part of universal-joint cross trunnion, and bearing bottom is being flowed into by oil canal, so that
Into needle roller group；It is there are the distance of lubricating oil flow is big, the defects of further resulting in resistance bigger.
The content of the invention
（One）Technical problems to be solved
The object of the present invention is to provide a kind of universal-joint cross trunnion, solves the road of existing universal-joint cross trunnion lubricating oil flow
The defects of Cheng great, resistance bigger.
（Two）Technical solution
In order to solve the above technical problem, the present invention provides a kind of universal-joint cross trunnion, including:Criss-cross universal joint base
Body, the end of the universal joint matrix four are respectively provided with termination；The universal joint intrinsic silicon also has longitudinal oil canal and horizontal stroke
To oil canal, the centre of the longitudinal direction oil canal perforation universal joint matrix and a pair of of termination of universal joint matrix longitudinal direction；
The centre of the transverse direction oil canal perforation universal joint matrix and a pair of of termination of universal joint matrix transverse direction；On the termination
It is additionally provided with the oil-through-hole of radial direction, the longitudinal oil canal of oil-through-hole connection or horizontal oil canal.The present invention in axle journal apart, four axis
Oilhole is got through at neck, is connected with oil canal, makes the lubricating oil of oil duct, is directly over oil-through-hole, into axle journal it is cylindrical with bearing in
Footpath coordinates at lubrication, directly lubricates.So lubricating oil reduces the distance flowed, resistance, oil consumption, and adds lubricant effect, subtracts
Lacked dry friction and caused by transmission shaft in the process of running, block, avoid motor-vehicle accident, universal-joint cross trunnion is total
Into service life also extended.
Preferably, longitudinal oil canal and horizontal oil canal intersect connection.
Preferably, wherein the longitudinal direction oil canal has to side depression with the cross one another connecting portion of horizontal oil canal
Conical tank.
Preferably, there be oil filler point, the oil filler point connection longitudinal direction oil canal and transverse direction in the centre of the section matrix
The cross one another connecting portion of oil canal.
Preferably, the oil filler point top is additionally provided with thread groove.
Preferably, the outer end end face of the termination has the scarf that frontal plane of projection is circular evagination.
Preferably, the scarf is when section attempts, the bevel edge of scarf and longitudinal oil canal or horizontal oil canal
The angle of central axes is 33 °.
Preferably, the outer end end face of the termination has the skew notch of taper type, the longitudinal oil canal of skew notch connection
With horizontal oil canal, the cone angle of the skew notch is 60 °.
Preferably, the termination and the junction of universal joint matrix have axle journal, and the axle journal has the chamfering of arc.
（Three）Beneficial effect
A kind of universal-joint cross trunnion provided by the invention, it has the following advantages：
1st, the present invention in axle journal apart, get through oilhole at four axle journals, connected with oil canal, make the lubricating oil of oil duct, be directly over
Oil-through-hole, coordinates at lubrication with bearing bore diameter into axle journal is cylindrical, directly lubricates.So lubricating oil reduces the distance of flowing, resistance
Power, oil consumption, and add lubricant effect, reduce dry friction and caused by transmission shaft in the process of running, block, avoid
Motor-vehicle accident occurs, and the service life of universal-joint cross trunnion assembly is also extended.
Brief description of the drawings
Fig. 1 is the structure diagram of the universal-joint cross trunnion of the embodiment of the present invention 2；
Fig. 2 is the cross-sectional view of the E-E of the universal-joint cross trunnion of the embodiment of the present invention 2；
Fig. 3 is the cross-sectional view of the universal-joint cross trunnion of the embodiment of the present invention 2；
Fig. 4 is the cross-sectional view of the universal-joint cross trunnion of the embodiment of the present invention 3；
Fig. 5 is the side partial enlargement structural representation of the male part of the universal-joint cross trunnion of the embodiment of the present invention 3.
1st, universal joint matrix；2nd, termination；3rd, longitudinal oil canal；4th, horizontal oil canal；5th, chamfering；6th, oil-through-hole；7th, circle
Cone tank；8th, oil filler point；9th, thread groove；10th, scarf；11st, skew notch；12nd, axle journal；13rd, male part；14th, water conservancy diversion block assembly；
15th, upper baffle；16th, lower baffle；17th, diversion cavity；A, cone angle；B, angle.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Following instance
For illustrating the present invention, but it is not limited to the scope of the present invention.
Embodiment 1：A kind of universal-joint cross trunnion provided by the invention, including:Criss-cross universal joint matrix 1, described ten thousand
Termination 2 is respectively provided with to the end of section matrix four；The universal joint intrinsic silicon also has longitudinal oil canal 3 and horizontal oil canal
4, the longitudinal direction oil canal penetrates through the centre of universal joint matrix and a pair of of termination of universal joint matrix longitudinal direction；The transverse direction
The centre of oil canal perforation universal joint matrix and a pair of of termination of universal joint matrix transverse direction；Footpath is additionally provided with the termination
To oil-through-hole 6, the longitudinal oil canal of oil-through-hole connection or horizontal oil canal.
Embodiment 2：As shown in Figure 1, 2, 3；A kind of universal-joint cross trunnion provided by the invention, including:It is criss-cross universal
Matrix is saved, the end of the universal joint matrix four is respectively provided with termination；The universal joint intrinsic silicon also has longitudinal oil canal
With horizontal oil canal, the centre of the longitudinal direction oil canal perforation universal joint matrix and a pair of end of universal joint matrix longitudinal direction
Head；The centre of the transverse direction oil canal perforation universal joint matrix and a pair of of termination of universal joint matrix transverse direction；The end
The oil-through-hole of radial direction, the longitudinal oil canal of oil-through-hole connection or horizontal oil canal are additionally provided with head.
The longitudinal direction oil canal and horizontal oil canal intersect connection.Wherein described longitudinal oil canal and horizontal oil canal
Cross one another connecting portion has to the concave conical tank 7 in side.There is oil filler point 8 in the centre of the section matrix,
The longitudinal oil canal of oil filler point connection and the cross one another connecting portion of horizontal oil canal.The oil filler point top is additionally provided with spiral shell
Groove 9.
The outer end end face of the termination has the scarf 10 that frontal plane of projection is circular evagination.The scarf is in section
When attempting, the angle b of the bevel edge of scarf and longitudinal oil canal or the central axes of horizontal oil canal is 33 °.Outside the termination
Hold end face that there is the skew notch 11 of taper type, the longitudinal oil canal of skew notch connection and horizontal oil canal, the skew notch
Cone angle a is 60 °.The termination and the junction of universal joint matrix have axle journal 12, and the axle journal has the chamfering 5 of arc.
Embodiment 3：As shown in Figure 4, Figure 5, a kind of universal-joint cross trunnion provided by the invention, including:It is criss-cross universal
Matrix is saved, the end of the universal joint matrix four is respectively provided with termination；The universal joint intrinsic silicon also has longitudinal oil canal
With horizontal oil canal, the centre of the longitudinal direction oil canal perforation universal joint matrix and a pair of end of universal joint matrix longitudinal direction
Head；The centre of the transverse direction oil canal perforation universal joint matrix and a pair of of termination of universal joint matrix transverse direction；The end
The oil-through-hole of radial direction, the longitudinal oil canal of oil-through-hole connection or horizontal oil canal are additionally provided with head；It is described longitudinal direction oil canal or
Horizontal oil canal and oil-through-hole face part, local be equipped with have smooth surface male part 13, and the male part outer surface is fixed
There are two groups of water conservancy diversion block assemblies 14, the water conservancy diversion block assembly includes the upper baffle 15 positioned at upper end and the lower baffle positioned at lower end
16, there is gap between the upper baffle and lower baffle, form by laterally closing on the another of oil filler point away from oil filler point one
Side progressively convergent diversion cavity 17；The male part reduces the cross section that fluid at this passes through, and produces Bernoulli effect so that should
The Fluid pressure at place reduces, and improves the flow velocity into the liquid of oil-through-hole, is more advantageous in the inflow oil-through-hole of liquid, and reducing should
Locate the resistance of fluid turnover；The flowing for the liquid that the diversion cavity limitation ring is flowed around male part, increase say male part to logical oil
The liquid volume of hole flowing.
The longitudinal direction oil canal and horizontal oil canal intersect connection.Wherein described longitudinal oil canal and horizontal oil canal
Cross one another connecting portion has to the concave conical tank 7 in side.It is described section matrix centre also have oil filler point 8,
The longitudinal oil canal of oil filler point connection and the cross one another connecting portion of horizontal oil canal.The oil filler point top is additionally provided with spiral shell
Groove 9.
The outer end end face of the termination has the scarf 10 that frontal plane of projection is circular evagination.The scarf is in section
When attempting, the angle b of the bevel edge of scarf and longitudinal oil canal or the central axes of horizontal oil canal is 33 °.Outside the termination
Hold end face that there is the skew notch 11 of taper type, the longitudinal oil canal of skew notch connection and horizontal oil canal, the skew notch
Cone angle a is 60 °.The termination and the junction of universal joint matrix have axle journal 12, and the axle journal has the chamfering 5 of arc.
When the embodiment of the present invention is installed, lubricating oil is flowed into via oil filler point, via longitudinal oil canal or horizontal oil canal
And oil-through-hole, flow on the outer end end face and outer end side wall of termination.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection mode etc. are all can be
Change, every equivalents carried out on the basis of technical solution of the present invention and improvement, should not exclude the present invention's
Outside protection domain.
Claims (9)
- A kind of 1. universal-joint cross trunnion, it is characterised in that including:Criss-cross universal joint matrix, the universal joint matrix four End be respectively provided with termination；The universal joint intrinsic silicon also has longitudinal oil canal and horizontal oil canal, and the longitudinal direction leads to oil The centre of road perforation universal joint matrix and a pair of of termination of universal joint matrix longitudinal direction；The transverse direction oil canal perforation is universal Save the centre of matrix and a pair of of termination of universal joint matrix transverse direction；The oil-through-hole of radial direction, institute are additionally provided with the termination State the longitudinal oil canal of oil-through-hole connection or horizontal oil canal.
- 2. universal-joint cross trunnion as claimed in claim 1, it is characterised in that the longitudinal direction oil canal and horizontal oil canal are mutual Interconnection.
- 3. universal-joint cross trunnion as claimed in claim 2, it is characterised in that wherein described longitudinal oil canal and horizontal oil canal Cross one another connecting portion has to the concave conical tank in side.
- 4. universal-joint cross trunnion as claimed in claim 2, it is characterised in that there be oiling in the centre of the section matrix Hole, the longitudinal oil canal of oil filler point connection and the cross one another connecting portion of horizontal oil canal.
- 5. universal-joint cross trunnion as claimed in claim 4, it is characterised in that the oil filler point top is additionally provided with thread groove.
- 6. the universal-joint cross trunnion as described in claim 1 to 5 any one claim, it is characterised in that the termination Outer end end face has the scarf that frontal plane of projection is circular evagination.
- 7. universal-joint cross trunnion as claimed in claim 6, it is characterised in that the scarf is when section attempts, scarf The angle of bevel edge and longitudinal oil canal or the central axes of horizontal oil canal be 33 °.
- 8. universal-joint cross trunnion as claimed in claim 6, it is characterised in that the outer end end face of the termination has taper type Skew notch, the longitudinal oil canal of skew notch connection and horizontal oil canal, the cone angle of the skew notch is 60 °.
- 9. such as the universal-joint cross trunnion as described in claim 1 to 5 any one claim, it is characterised in that the termination There is axle journal with the junction of universal joint matrix, the axle journal has the chamfering of arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447233.6A CN108006093B (en) | 2017-12-27 | 2017-12-27 | Universal joint cross axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447233.6A CN108006093B (en) | 2017-12-27 | 2017-12-27 | Universal joint cross axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108006093A true CN108006093A (en) | 2018-05-08 |
| CN108006093B CN108006093B (en) | 2020-02-21 |
Family
ID=62061930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711447233.6A Active CN108006093B (en) | 2017-12-27 | 2017-12-27 | Universal joint cross axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108006093B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201496416U (en) * | 2009-07-14 | 2010-06-02 | 杭州萧山中亚汽配有限公司 | Universal joint crossing shaft with planar root portion |
| CN201757138U (en) * | 2010-06-13 | 2011-03-09 | 杭州新世纪万向节有限公司 | Universal joint with high temperature resistance |
| CN102966676A (en) * | 2011-08-30 | 2013-03-13 | 日立汽车系统株式会社 | Universal joint and propeller shaft |
| CN203655929U (en) * | 2013-11-29 | 2014-06-18 | 泸州开士乐工程技术有限责任公司 | Universal joint |
| CN104315129A (en) * | 2014-10-17 | 2015-01-28 | 中国重汽集团济南动力有限公司 | Novel inter-axle differential device |
| CN204805369U (en) * | 2015-07-15 | 2015-11-25 | 徐和平 | Novel cross universal joint |
-
2017
- 2017-12-27 CN CN201711447233.6A patent/CN108006093B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201496416U (en) * | 2009-07-14 | 2010-06-02 | 杭州萧山中亚汽配有限公司 | Universal joint crossing shaft with planar root portion |
| CN201757138U (en) * | 2010-06-13 | 2011-03-09 | 杭州新世纪万向节有限公司 | Universal joint with high temperature resistance |
| CN102966676A (en) * | 2011-08-30 | 2013-03-13 | 日立汽车系统株式会社 | Universal joint and propeller shaft |
| CN203655929U (en) * | 2013-11-29 | 2014-06-18 | 泸州开士乐工程技术有限责任公司 | Universal joint |
| CN104315129A (en) * | 2014-10-17 | 2015-01-28 | 中国重汽集团济南动力有限公司 | Novel inter-axle differential device |
| CN204805369U (en) * | 2015-07-15 | 2015-11-25 | 徐和平 | Novel cross universal joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108006093B (en) | 2020-02-21 |
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