CN2201287Y - Noise silencing automotive transmission shaft - Google Patents
Noise silencing automotive transmission shaft Download PDFInfo
- Publication number
- CN2201287Y CN2201287Y CN 94229378 CN94229378U CN2201287Y CN 2201287 Y CN2201287 Y CN 2201287Y CN 94229378 CN94229378 CN 94229378 CN 94229378 U CN94229378 U CN 94229378U CN 2201287 Y CN2201287 Y CN 2201287Y
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- shaft
- noise silencing
- automobile
- joint
- 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 - Fee Related
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- Motor Power Transmission Devices (AREA)
Abstract
The utility model relates to a noise silencing transmission shaft of an automobile, comprising a main driving shaft with a universal joint, wherein, cross shaft type universal joints are welded on two ends of the universal joint. The cross shaft type universal joint on one end is hinged with a spline slide fork which can directly form a slide pair with the output shaft of a speed changer. The noise silencing transmission shaft of an automobile has easy processing, low manufacturing cost, and good noise silencing effect. The noise silencing transmission shaft of an automobile can lower noise, and the work reliability and the service life of the noise silencing transmission shaft of an automobile can be enhanced.
Description
The utility model relates to a kind of propeller-shaft that is used for light bus, particularly a kind of jeep and modification chassis thereof of being applicable to.
Propeller-shaft is the vitals in the automobile biography system, and it connects between change-speed box and the drive axle.Determining of transmission shaft basic specification by the automobile composition design decision, it must with the car load rational Match, could satisfy the vehicle performance requirement.The transmission shaft basic specification of different automobile types is different, and its basic structure is close.Existing transmission shaft often adopts cardan universal joint to form enclosed or open type universal-shaft drive.Transmission shaft generally adopts hollow central siphon for improving its critical speed, but the locating surface at existing central siphon and weld yoke pressing position is shorter, influences its service life.For guaranteeing propeller shaft length variable quantity, the sliding type type of belt drive that the main driving axle assembly often adopts the spline cliding yoke to match with castellated shaft.This version is complicated, safeguards inconvenience, can occur in some driving system resonance effect occurring under torsion oscillations and some operating mode, influences the transmission shaft normal operation.
The purpose of this utility model provides a kind of sound-absorbing formula propeller-shaft of structure uniqueness, and it is easy to processing, low cost of manufacture, and sound-absorbing effect is good, can reduce noise, improves functional reliability and service life.
The purpose of this utility model is achieved in that this device comprises the main driving axle that has universal-joint, wherein two ends are welded with in the hollow central siphon of cardan universal joint and are assembled with the sound-absorbing sleeve pipe, one end universal-joint be hinged with can be directly and transmission output shaft form the spline cliding yoke of sliding pair.
Because the utility model adopts and cardan universal joint pivotally attached spline sliding pair is direct and transmission output shaft joins, so can be when guaranteeing that transmission shaft has the sufficient length variable quantity, also to the functional reliability that improves transmission shaft critical speed and parts and good result is all arranged service life.This axle and car load coupling rationally satisfy the vehicle performance requirement fully.Because of its designs simplification, do not adopt the main driving axle of the sliding type type of belt drive of prior art, directly at central siphon two ends welding universal-joint, so handling ease, installation, maintenance is all very convenient, obviously cuts down finished cost.
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a kind of concrete structure scheme drawing of the present utility model.
Describe concrete structure of the present utility model in detail according to Fig. 1.This device is according to the decision of the general design on jeep and modification chassis thereof.It comprises spline cliding yoke 1, blanking cover 2, snap ring 3, cardan universal joint 4, weld yoke 5, hollow central siphon 6, sound-absorbing sleeve pipe 7.Wherein be assembled with sound-absorbing sleeve pipe 7 in the hollow central siphon 6 of main driving axle, cardan universal joint 4 is welded at central siphon 6 two ends respectively.Main driving axle one end universal-joint be hinged with can be directly and transmission output shaft form the spline cliding yoke 1 of sliding pair.Secondary little modulus, normal shift, the involute teeth of adopting of free-sliding spline is meshed.It has auto-centering, and the flank of tooth such as contacts at advantage.The main driving axle other end is connected with the drive axle imput shaft by universal joint cross-head.Also be assembled with blanking cover 2 on the spline cliding yoke 1.Universal-joint 4 adopts snap ring 3 to carry out the location, inboard.During installation, two cardan universal joints 4 must be in same plane, and should rotate flexibly.Above-mentioned spline cliding yoke 1, weld yoke 5 each part all adopt the forging manufacturing.The length of each part pressing spots localization face further improves the product in-use performance obviously greater than the length of respectively pitching the part locating surface in the prior art.
The utility model adopts above-mentioned brand new structure design, and it satisfies the vehicle performance requirement except that guaranteeing, has improved the functional reliability and the service life of parts preferably.Realized simultaneously cushioning the peak impact load in the transmission system effectively, reduced the torsion oscillations in the transmission system and eliminate the possibility that resonance effect takes place in some operating mode underdrive system.
Claims (2)
1, a kind of sound-absorbing formula propeller-shaft, comprise the main driving axle that has universal-joint, it is characterized in that two ends are welded with in the hollow central siphon of cardan universal joint is assembled with the sound-absorbing sleeve pipe, one end universal-joint be hinged with can be directly and transmission output shaft form the spline cliding yoke of sliding pair, be assembled with torsional balancer on the cliding yoke.
2, transmission shaft according to claim 1 is characterized in that secondary little modulus, normal shift, the involute teeth of adopting of free-sliding spline is meshed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94229378 CN2201287Y (en) | 1994-08-18 | 1994-08-18 | Noise silencing automotive transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94229378 CN2201287Y (en) | 1994-08-18 | 1994-08-18 | Noise silencing automotive transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2201287Y true CN2201287Y (en) | 1995-06-21 |
Family
ID=33841719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94229378 Expired - Fee Related CN2201287Y (en) | 1994-08-18 | 1994-08-18 | Noise silencing automotive transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2201287Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100522684C (en) * | 2002-08-14 | 2009-08-05 | 轴成型工程有限公司 | Longitudinal shaft |
| CN103244572A (en) * | 2012-02-14 | 2013-08-14 | 上海海马汽车研发有限公司 | Transmission shaft with anti-torque and vibration attenuation functions |
| CN101450617B (en) * | 2007-11-06 | 2013-10-30 | 通用汽车环球科技运作公司 | Hybrid vehicle driveline noise damper |
| CN103382795A (en) * | 2013-03-21 | 2013-11-06 | 陕西飞机工业（集团）有限公司 | Airplane cargo bridge door locking mechanism |
-
1994
- 1994-08-18 CN CN 94229378 patent/CN2201287Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100522684C (en) * | 2002-08-14 | 2009-08-05 | 轴成型工程有限公司 | Longitudinal shaft |
| CN101450617B (en) * | 2007-11-06 | 2013-10-30 | 通用汽车环球科技运作公司 | Hybrid vehicle driveline noise damper |
| CN103244572A (en) * | 2012-02-14 | 2013-08-14 | 上海海马汽车研发有限公司 | Transmission shaft with anti-torque and vibration attenuation functions |
| CN103244572B (en) * | 2012-02-14 | 2016-05-18 | 上海海马汽车研发有限公司 | Torsion damping power transmission shaft |
| CN103382795A (en) * | 2013-03-21 | 2013-11-06 | 陕西飞机工业（集团）有限公司 | Airplane cargo bridge door locking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |