CN201434023Y - Long-distance high-efficient constant-velocity transmission shaft - Google Patents
Long-distance high-efficient constant-velocity transmission shaft Download PDFInfo
- Publication number
- CN201434023Y CN201434023Y CN2009201187927U CN200920118792U CN201434023Y CN 201434023 Y CN201434023 Y CN 201434023Y CN 2009201187927 U CN2009201187927 U CN 2009201187927U CN 200920118792 U CN200920118792 U CN 200920118792U CN 201434023 Y CN201434023 Y CN 201434023Y
- Authority
- CN
- China
- Prior art keywords
- universal joint
- cage
- dust
- proof cover
- ectosphere cage
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model relates to an automobile transmission shaft, in particular to a long-distance high-efficient constant-velocity transmission shaft, which comprises an intermediate shaft and universaljoints arranged at both ends of the intermediate shaft. A universal joint at an engine end is a VL constant-velocity universal joint, a plurality of installing screw holes are uniformly and circumferentially distributed on the outer end face of an outer ball basket of the universal joint, a dust cover is arranged between the inner end face of the outer ball basket and the intermediate shaft, andan end cover is arranged in an outer shaft hole of the outer ball basket so as to seal an inner ball basket and a cage in the outer ball basket; and a universal joint at a differential end is an AC constant-velocity universal joint, a plurality of installing screw holes are uniformly and circumferentially distributed on the outer end face of the outer ball basket of the universal joint, a dust cover is arranged between the inner end face of the outer ball basket and the intermediate shaft, and an end cover is arranged in an outer shaft hole of the outer ball basket so as to seal an inner ballbasket and a cage in the outer ball basket. The transmission shaft has the advantages of steady transmission, long service life and easy processing.
Description
Technical field
The utility model relates to a kind of truck drive shaft, the efficient constant speed transmission shaft of particularly a kind of long distance.
Background technique
Current society is along with the high speed development of automotive industry, people get up high more to the usage requirement of vehicle, to travelling comfort, Security, recreational grade all has certain requirement, released the vehicle of the different kinds of drive for each big motor corporation that satisfies the demands, the automobile of front-mounted engine rear wheel drive and four-wheel drive wherein, because driving wheel and motor apart from each other, need a very long transmission shaft and connect transmission, hookes-type universal joint is mostly adopted at the connection transmission shaft two ends that produce both at home and abroad at present, hookes-type universal joint utilizes Hooke's joint to finish universal transmission agency, all there is variable speed in well-known Hooke's joint, there are speed discrepancy in driving shaft and driven shaft in certain rotation angle, along with its speed discrepancy of increase of pivot angle also will be big more, thereby cause vibrations and noise, transmission power consumption is also bigger.Length in the middle of the existing in addition hookes-type transmission shaft utilization cooperates apart from spline pair and realizes in the transmission process because the length compensation that vibrations produce, owing to will obtain corresponding slippage, internal spline length has to make more than the twice of external splines, and to realize that in transmission process slippage needs spline pair to be under the Spielpassung state, could slide flexibly, guarantee simultaneously the product circumferential clearance again, thus the processing of this spline is needed very high precision and wear resistance, so that difficulty of processing is very big.And through long running back spline pair matching gap with increasing, thereby cause the transmission efficiency will be more and more lower, noise is increasing.
The model utility content
The purpose of this utility model provides a kind of deficiency of transmission shaft, and provides a kind of stable drive, long service life, difficulty of processing the less relatively efficient constant speed transmission shaft of long distance.
The purpose of this utility model is achieved by the following technical solution: the efficient constant speed transmission shaft of a kind of long distance, include jack shaft and the universal joint that is installed in the jack shaft two ends, wherein a universal joint is used for connecting and composing motor end universal joint with the output terminal of motor, another universal joint and differential mechanism connect and compose differential mechanism end universal joint, it is characterized in that: described motor end universal joint is a VL type constant velocity universal joint, outside end face at the ectosphere cage of this universal joint was installed screw to being evenly equipped with several last week, was provided with dust-proof cover between the inner side end of ectosphere cage and jack shaft, thereby in the axis hole of the outside of ectosphere cage, be provided with end cap with internal spherical cage, retainer is sealed in the ectosphere cage; Described differential mechanism end universal joint is an AC type constant velocity universal joint, outside end face at the ectosphere cage of this universal joint was installed screw to being evenly equipped with several last week, thereby was provided with dust-proof cover between the inner side end of ectosphere cage and jack shaft, be provided with end cap in the axis hole of the outside of ectosphere cage internal spherical cage, retainer are sealed in the ectosphere cage.
Be arranged with a steel bushing on the external diameter of the close inner side end of the ectosphere cage of described AC shape constant velocity universal joint, this steel bushing is step-like, the bigger diameter end of steel bushing is set on the external diameter of ectosphere cage, the miner diameter end of steel bushing surpasses the inner side end of ectosphere cage, and the external diameter on the miner diameter end of this steel bushing is provided with groove, its cross section of described dust-proof cover is similar to " bow " font, the external annulus of this dust-proof cover is provided with inside annular boss and is fastened in the described groove, and fixedly on the ectosphere cage, the interior ring of described dust-proof cover is fixed on the jack shaft by another steel loop the outer shroud of dust-proof cover by steel loop; The shape and the mounting type of the dust-proof cover on the described VL shape constant velocity universal joint are identical with the shape and the mounting type of the dust-proof cover of AC shape constant velocity universal joint.
Also be provided with the step shaft part between the shaft part of the spline of the installation AC shape constant velocity universal joint of described jack shaft and installation dust-proof cover, be arranged with plastic mattress and butterfly spring on this step shaft part, this butterfly spring one end is pressed on the step surface, the other end is pressed on the plastic mattress, the front end of this plastic mattress is taper, the corresponding horn mouth that is provided with of the oral area of the splined hole of described internal spherical cage, the tapered end of this plastic mattress is nested with in horn mouth.
Beneficial effect: adopt VL type constant velocity universal joint with certain slippage owing to connect motor end universal joint, and the universal joint that connects the differential mechanism end adopts AC type constant velocity universal joint, so the vibrations that the variable speed reason that has solved the employing hookes-type universal joint causes are big, the defective of noise sound, do not need to utilize the spline between jack shaft to realize slippage in addition yet, so reduced the manufacturing difficulty of processing, guaranteed the stationarity and the working life of transmission shaft fortune axle.
Description of drawings
Fig. 1 is the utility model embodiment's a structure sectional view
Fig. 2 is the I place enlarged diagram of Fig. 1
Embodiment
Now in conjunction with the accompanying drawings mode of execution of the present utility model is further described:
As shown in the figure, a kind of embodiment who grows the efficient constant speed transmission shaft of distance of the utility model embodiment, include jack shaft 4 and the universal joint 1 that is installed in the jack shaft two ends, 5, wherein a universal joint 5 is used for connecting and composing motor end universal joint with the output terminal of motor, another universal joint 1 connects and composes differential mechanism end universal joint with differential mechanism, described motor end universal joint is a VL type constant velocity universal joint 5, outside end face at the ectosphere cage 51 of this universal joint 5 was installed screw 511 to being evenly equipped with several last week, was provided with dust-proof cover 3 between the inner side end of ectosphere cage 51 and jack shaft 4, thereby in the axis hole of the outside of ectosphere cage 5, be provided with end cap 9 with internal spherical cage 52, retainer 53 is sealed in the ectosphere cage 51; Described differential mechanism end universal joint is an AC type constant velocity universal joint 1, outside end face at the ectosphere cage 11 of this universal joint 1 was installed screw 111 to being evenly equipped with several last week, thereby was provided with dust-proof cover 3 between the inner side end of ectosphere cage 11 and jack shaft 4, be provided with end cap 9 in the axis hole of the outside of ectosphere cage 11 internal spherical cage 12, retainer 13 are sealed in the ectosphere cage 11.Adopt VL type constant velocity universal joint 5 owing to connect motor end universal joint with certain slippage, and the universal joint that connects the differential mechanism end adopts AC type constant velocity universal joint 1, so the vibrations that the variable speed reason that has solved the employing hookes-type universal joint causes are big, the defective of noise sound, do not need to utilize the spline between jack shaft to realize slippage in addition yet, so reduced the manufacturing difficulty of processing, guaranteed the stationarity and the working life of transmission shaft fortune axle.
In the diagram, be arranged with a steel bushing 2 on the external diameter of the close inner side end of the ectosphere cage 11 of described AC shape constant velocity universal joint 1, this steel bushing 2 is step-like, the bigger diameter end 21 of steel bushing 2 is set on the external diameter of ectosphere cage 11, the miner diameter end 22 of steel bushing 2 surpasses the inner side end of ectosphere cage 11, and the external diameter on the miner diameter end 22 of this steel bushing 2 is provided with groove 221, described dust-proof cover 3 its cross sections are similar to " bow " font, the external annulus 31 of this dust-proof cover 3 is provided with inside annular boss 311 and is fastened in the described groove 221, and the outer shroud 31 of dust-proof cover 33 is fixed on the ectosphere cage 11 by steel loop 8, and the interior ring 32 of described dust-proof cover 3 is fixed on the jack shaft 4 by another steel loop 8; As seen from the figure, the shape and the mounting type of the dust-proof cover 3 on the described VL shape constant velocity universal joint 5 are identical with the shape and the mounting type of the dust-proof cover 3 of AC shape constant velocity universal joint 1, describe no longer in addition at this.Present embodiment adopts the cross section to make it can guarantee to have enough stretchabilities for the dust-proof cover 3 of " bow " font, and simple in structure, profile is little, and dust-proof cover 3 is fixed on the ectosphere cage 11,51 by the mode that is installed on the steel bushing 2, also the profile of Shi Deing can be accomplished minimum (can make the enlarged diameter of its outer shroud and axial length extend on the ectosphere cage if directly be set in), thereby design brings bigger space to vehicle chassis.
In the illustrated embodiment, also be provided with step shaft part 42 between the shaft part of the spline 41 of the installation AC shape constant velocity universal joint 1 of described jack shaft 4 and installation dust-proof cover 3, be arranged with plastic mattress 6 and butterfly spring 7 on this step shaft part 42, these butterfly spring 7 one ends are pressed on the step surface, the other end is pressed on the plastic mattress 6, the front end 61 of this plastic mattress 6 is taper, the corresponding horn mouth 121 that is provided with of the oral area of the splined hole of described internal spherical cage 12, and the tapered end 61 of this plastic mattress 6 is nested with in horn mouth 121.Convenient when utilizing this jack shaft of mode 4 of butterfly spring 7 and plastic mattress 6 that AC shape constant velocity universal joints 1 are installed, and utilize the butterfly spring with the front end overhead of plastic mattress mouth end at the splined hole of internal spherical cage, the spline that helps jack shaft and AC save internal spherical cage spline installation to the peaceful stability of neutrality.
Those skilled in the art should be able to understand; though in conjunction with the accompanying drawings the utility model embodiment has been done detailed description; above embodiment only is a preferred implementation of the present utility model; and be not qualification to protection domain of the present utility model, any improvement of being done based on invention spirit of the present utility model is all naturally in the utility model protection domain.
Claims (3)
1. efficient constant speed transmission shaft of long distance, include jack shaft and the universal joint that is installed in the jack shaft two ends, wherein a universal joint is used for connecting and composing motor end universal joint with the output terminal of motor, another universal joint and differential mechanism connect and compose differential mechanism end universal joint, it is characterized in that: described motor end universal joint is a VL type constant velocity universal joint, outside end face at the ectosphere cage of this universal joint was installed screw to being evenly equipped with several last week, was provided with dust-proof cover between the inner side end of ectosphere cage and jack shaft, thereby in the axis hole of the outside of ectosphere cage, be provided with end cap with internal spherical cage, retainer is sealed in the ectosphere cage; Described differential mechanism end universal joint is an AC type constant velocity universal joint, outside end face at the ectosphere cage of this universal joint was installed screw to being evenly equipped with several last week, thereby was provided with dust-proof cover between the inner side end of ectosphere cage and jack shaft, be provided with end cap in the axis hole of the outside of ectosphere cage internal spherical cage, retainer are sealed in the ectosphere cage.
2. the efficient constant speed transmission shaft of long distance according to claim 1, it is characterized in that: be arranged with a steel bushing on the external diameter of the close inner side end of the ectosphere cage of described AC shape constant velocity universal joint, this steel bushing is step-like, the bigger diameter end of steel bushing is set on the external diameter of ectosphere cage, the miner diameter end of steel bushing surpasses the inner side end of ectosphere cage, and the external diameter on the miner diameter end of this steel bushing is provided with groove, its cross section of described dust-proof cover is similar to " bow " font, the external annulus of this dust-proof cover is provided with inside annular boss and is fastened in the described groove, and fixedly on the ectosphere cage, the interior ring of described dust-proof cover is fixed on the jack shaft by another steel loop the outer shroud of dust-proof cover by steel loop; The shape and the mounting type of the dust-proof cover on the described VL shape constant velocity universal joint are identical with the shape and the mounting type of the dust-proof cover of AC shape constant velocity universal joint.
3. the efficient constant speed transmission shaft of long distance according to claim 1 and 2, it is characterized in that: also be provided with the step shaft part between the shaft part of the spline of the installation AC shape constant velocity universal joint of described jack shaft and installation dust-proof cover, be arranged with plastic mattress and butterfly spring on this step shaft part, this butterfly spring one end is pressed on the step surface, the other end is pressed on the plastic mattress, the front end of this plastic mattress is taper, the corresponding horn mouth that is provided with of the oral area of the splined hole of described internal spherical cage, the tapered end of this plastic mattress is nested with in horn mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201187927U CN201434023Y (en) | 2009-04-29 | 2009-04-29 | Long-distance high-efficient constant-velocity transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201187927U CN201434023Y (en) | 2009-04-29 | 2009-04-29 | Long-distance high-efficient constant-velocity transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201434023Y true CN201434023Y (en) | 2010-03-31 |
Family
ID=42052832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201187927U Expired - Lifetime CN201434023Y (en) | 2009-04-29 | 2009-04-29 | Long-distance high-efficient constant-velocity transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201434023Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949418A (en) * | 2010-09-29 | 2011-01-19 | 浙江凯迪汽车部件工业有限公司 | Inner ball cage assembly component of constant velocity universal joint |
| CN102878219A (en) * | 2012-09-23 | 2013-01-16 | 浙江凯迪汽车部件工业有限公司 | Multifunctional non-differential universal joint assembly |
| CN106555824A (en) * | 2015-09-29 | 2017-04-05 | 长城汽车股份有限公司 | A kind of rzeppa joint, card gear and automobile |
| CN108105273A (en) * | 2018-01-11 | 2018-06-01 | 宁波万航实业有限公司 | A kind of constant velocity universal joint drive spindle assembly |
| CN110998115A (en) * | 2017-08-02 | 2020-04-10 | Thk株式会社 | Spline structure, speed reducing or increasing device and constant velocity universal joint |
-
2009
- 2009-04-29 CN CN2009201187927U patent/CN201434023Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949418A (en) * | 2010-09-29 | 2011-01-19 | 浙江凯迪汽车部件工业有限公司 | Inner ball cage assembly component of constant velocity universal joint |
| CN102878219A (en) * | 2012-09-23 | 2013-01-16 | 浙江凯迪汽车部件工业有限公司 | Multifunctional non-differential universal joint assembly |
| CN106555824A (en) * | 2015-09-29 | 2017-04-05 | 长城汽车股份有限公司 | A kind of rzeppa joint, card gear and automobile |
| CN106555824B (en) * | 2015-09-29 | 2019-04-16 | 长城汽车股份有限公司 | A kind of rzeppa joint, card gear and automobile |
| CN110998115A (en) * | 2017-08-02 | 2020-04-10 | Thk株式会社 | Spline structure, speed reducing or increasing device and constant velocity universal joint |
| CN110998115B (en) * | 2017-08-02 | 2022-07-15 | Thk株式会社 | Speed reducer or speed increasing device |
| US11493092B2 (en) | 2017-08-02 | 2022-11-08 | Thk Co., Ltd. | Speed-reducing or -increasing apparatus |
| CN108105273A (en) * | 2018-01-11 | 2018-06-01 | 宁波万航实业有限公司 | A kind of constant velocity universal joint drive spindle assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100331 |