CN201593568U - Ball basket type universal joint - Google Patents
Ball basket type universal joint Download PDFInfo
- Publication number
- CN201593568U CN201593568U CN2010203004124U CN201020300412U CN201593568U CN 201593568 U CN201593568 U CN 201593568U CN 2010203004124 U CN2010203004124 U CN 2010203004124U CN 201020300412 U CN201020300412 U CN 201020300412U CN 201593568 U CN201593568 U CN 201593568U
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- Prior art keywords
- cage
- outer race
- internal spherical
- ectosphere
- universal joint
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Abstract
The utility model relates to a transmission mechanism, in particular to a ball basket type universal joint, which is achieved through the technical solution that the ball basket type universal joint comprises an inner ball basket, an outer ball basket, a power input shaft, a power output shaft and a middle shaft, wherein the inner and the outer ball baskets are provided with a bell-shaped shell, a cage, a steel ball and a star like sleeve, the bell-shaped shell of the inner ball basket is connected with the power input shaft, the star like sleeve of the inner ball basket is connected with a spline which is arranged on one end of a middle shaft, the other end of the middle shaft is connected with the spline of the start like sleeve of the outer ball basket, the bell-shaped shell of the outer ball basket is connected with the power output shaft, and a position of the bell-shaped shell of the outer ball basket, which is close to the power output shaft is provided with an anti-lock brake structure. An opening on the inner wall of the bell-shaped shell of the inner ball basket is provided with a chamfer, and an inward part on an opening of the inner wall of the bell-shaped shell of the inner ball basket is parallel to the middle shaft of the inner ball basket.
Description
Technical field
The utility model relates to driving mechanism, particularly a kind of rzeppa universal joint.
Background technique
Universal joint is when master and slave moving axis has angular displacement, can transmitting movement and the mechanism of torque.
For making the automobile power transmission, no matter be forerunner or rear-guard, or use independent suspension, all can use universal joint, what employing was maximum at present is rzeppa universal joint, all solved constant speed transmission problem preferably no matter this kind universal joint is circular arc alley or liner ball road, and it is big to transmit operating angle, the efficient height.But automobile on the way travels, the situation of running into is quite complicated and changeable, universal joint as actuating unit not only needs working stability, efficient height, also need to adapt to more complicated transmission situation, present universal joint can only make universal joint do certain change on driving angle with the ball cage, can not adapt to more complicated situation, for example, the transmission on universal joint is promptly axial in the horizontal direction.
And the ectosphere basket structure of rzeppa universal joint of the prior art is that outer race and star sleeve are equipped with six raceway grooves, and six groove curvature centers of outer race and six groove curvature centers of star sleeve, be positioned at both sides, Rzeppa type retainer internal and external spherical surfaces center respectively, and throw of eccentric all equates, such raceway groove is provided with following deficiency: outer race and star sleeve all have six equally distributed raceway grooves on circumference, six steel ball work are arranged in rzeppa universal joint, do not make full use of enough inner spaces, bearing stress is lower; Six groove curvature centers of outer race and star sleeve all overlap, and when the universal joint transfer high torque, Rzeppa type retainer and steel ball can bear sizable stress because of the raceway groove biasing, cause breaking, and have shortened working life.
Moreover, prior art, it as the patent No. 200820150986.0,200820151703.4 the disclosed rzeppa universal joint of Chinese patent, above-mentioned rzeppa universal joint is not all established safeguard construction, when braking on wet and slippery road surface or in emergency braking, wheel surpasses the safe locking of frictional force on tire and ground easily because of braking force.
The model utility content
The purpose of this utility model provides a kind ofly can adapt to complex road condition, can prevent wheel lock up and the big rzeppa universal joint of bearing capacity.
Above-mentioned technical purpose of the present utility model is achieved by the following technical programs: a kind of rzeppa universal joint, comprise internal spherical cage, the ectosphere cage, power input shaft, pto and jack shaft, in, the ectosphere cage all is provided with outer race, retainer, steel ball and star sleeve, the internal spherical cage outer race is connected with power input shaft, the internal spherical cage star sleeve is connected with an end spline of jack shaft, the other end of jack shaft is connected with ectosphere cage star sleeve spline, ectosphere cage outer race is connected with pto, and described ectosphere cage outer race is provided with ABS anti-lock brake structure near the pto place; Described internal spherical cage outer race inwall opening is provided with chamfering, and inside part of the opening of internal spherical cage outer race inwall and internal spherical cage central axes.Because the transmission on the structure setting of internal spherical cage outer race inwall, the universal energy-conservation realization universal joint of this kind are promptly axial in the horizontal direction makes universal energy-conservation flexible communication torque of this kind and moment of torsion; Pto on the ectosphere cage outer race is connected with wheel skeleton spline, and ectosphere cage star sleeve is located in the ectosphere cage retainer, and the two ends of jack shaft are respectively equipped with jump ring, and jack shaft is connected the back by corresponding jump ring locking with interior ectosphere cage star sleeve spline; The stability of direction during braking still can be travelled by the track of assigned direction when being meant automobile brake; If because the emergency braking of automobile when especially running at high speed, and makes the complete locking of wheel, that is breakneck; If the front-wheel locking will make automobile lose steering capability; If whipping or tune will appear in rear lock, for example, sideslip or sideslip especially under the wet and slippery situation in road surface, are caused great harm to traffic safety; The braking force of automobile depends on the frictional force of break, but the braking force that automobile brake is slowed down also is subjected to the restriction of ground attaching coefficient; When the braking force of break generation increases to certain value, slippage will appear in automobile tire on the ground, and its slip rate is as follows:
δ＝(Vt-Va)/Vt×100％；
In the formula: δ--slip rate;
The theoretical velocity of Vt--automobile;
The actual velocity of Va--automobile;
Confirm according to test,, therefore,, must control its slip rate in 15% to 20% scope in order to obtain best braking effect when wheel slip δ reaches maximum value at 15% coefficient of attachment between 20% time; The function of ABS anti-lock brake structure promptly when wheel will locking, reduces braking force, and can not increase braking force during locking when wheel, and perseveration like this makes braking effect the best.
As of the present utility model preferred, ectosphere cage outer race and ectosphere cage star sleeve all are provided with eight raceway grooves, with the quantity of ectosphere cage steel ball in the ectosphere cage retainer that ectosphere cage outer race, ectosphere cage star sleeve match is eight, and ectosphere cage outer race is corresponding one by one with the raceway groove of ectosphere cage star sleeve.Be fully used in the inner space that is arranged so that the ectosphere cage of eight raceway grooves and eight steel balls, the also corresponding bearing capacity that improves this kind universal joint simultaneously prolongs working life of this kind universal joint.
As of the present utility model preferred, internal spherical cage outer race inwall and internal spherical cage star sleeve outer wall are equipped with three raceway grooves, with the internal spherical cage steel ball number in the internal spherical cage retainer that internal spherical cage outer race, internal spherical cage star sleeve match is three, and the raceway groove of internal spherical cage outer race is corresponding one by one with the raceway groove of internal spherical cage star sleeve.
As of the present utility model preferred, described ABS anti-lock brake structure is the gear ring assembly.
As of the present utility model preferred, all be provided with dust-proof cover between ectosphere cage outer race, internal spherical cage outer race and the jack shaft, dust-proof cover is fixed on corresponding outer race and the jack shaft by clip.Dust-proof cover is tightly connected with corresponding outer race and jack shaft after fixing by clip, forms airtight space between promptly corresponding outer race and the dust-proof cover, is marked with lubricant oil in this space, makes the universal energy-conservation transmitting movement neatly of this kind.
As of the present utility model preferred, be arranged with ball bearing near on the power input shaft at internal spherical cage outer race place.
In sum, the utlity model has following beneficial effect:
1, because the structure setting of internal spherical cage outer race inwall, therefore internal spherical cage star sleeve, internal spherical cage retainer can be done axial motion with the internal spherical cage steel ball in the internal spherical cage outer race, make and not only can change axial angle between the jack shaft on power input shaft and the universal joint, can also do the straight reciprocating motion on the axial distance within the specific limits, make and use the more complicated road conditions of the universal energy-conservation adaptation of this kind;
2, strengthen control to vehicle: be equipped with the automobile of ABS anti-lock brake structure, it is handling significantly that the driver still can keep in the emergency braking process, can in time adjust direction, and the obstacle or the dangerous situation of front are made timely, necessary hiding;
3, reduce hydro-planing: ABS anti-lock brake structure decrease the chance of wheel lock up, therefore also reduced and occurred slick and frivolous chance in the braking process;
4, effectively shorten stopping distance: under emergency braking condition, ABS anti-lock brake structure can make wheel be in the situation of not only rolling but also dragging, experimental results show that the ratio that drags accounts for about 20%, the frictional force maximum on tire and ground at this moment, promptly so-called best braking point or zone;
5, alleviated Tyte Wear: use ABS anti-lock brake structure to avoid the phenomenon of wheel lock up in the emergency braking process, avoided making tire to suffer the damage that to repair simultaneously, promptly avoided forming the possibility of flat spot at surface of tyre;
6, the distribution mode of channel structure on the utility model ectosphere cage and ectosphere cage steel ball has made full use of the space in the ectosphere cage, has also improved the universal joint bearing capacity simultaneously, prolongs its working life.
Description of drawings
Fig. 1 is that the utility model structure is dissected schematic representation;
Among the figure, 1, nut, 2, ectosphere cage outer race, 3, jump ring, 4, ectosphere cage retainer, 5, ectosphere cage star sleeve, 6, ectosphere cage steel ball, 7, clip, 8, dust-proof cover, 9, the gear ring assembly, 10, jack shaft, 11, the internal spherical cage star sleeve, 12, internal spherical cage outer race, 13, the internal spherical cage steel ball, 14, the internal spherical cage retainer, 15, circlip for hole, 16, ball bearing, 17, circlip for shaft, 18, guard ring, 19, pto, 20, power input shaft.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
This specific embodiment only is to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this specification, but as long as all are subjected to the protection of Patent Law in claim scope of the present utility model.
A kind of rzeppa universal joint, as shown in Figure 1, comprise internal spherical cage, the ectosphere cage, power input shaft 20, pto 19 and jack shaft 10, in, the ectosphere cage all is provided with outer race, retainer, steel ball and star sleeve, internal spherical cage outer race 12 is connected with power input shaft 20, internal spherical cage star sleeve 11 is connected with an end spline of jack shaft 10, the other end of jack shaft 10 is connected with ectosphere cage star sleeve 5 splines, and jack shaft 10 is locked by jump ring 3 with corresponding star sleeve spline joint, ectosphere cage outer race 2 is connected with pto 19, pto 19 is connected with automotive wheel skeleton spline, and locked by nut 1, ectosphere cage outer race 2 is provided with ABS anti-lock brake structure near pto 19 places, and described ABS anti-lock brake structure is a gear ring assembly 9; Ectosphere cage outer race 2 and ectosphere cage star sleeve 5 all are provided with eight raceway grooves, the quantity of the ectosphere cage steel ball 6 in the ectosphere cage retainer 4 that matches with ectosphere cage outer race 2, ectosphere cage star sleeve 5 is eight, the center of eight raceway grooves of ectosphere cage outer race 2 and inner ball surface centres and five equilibrium are arranged, eight raceway groove centers of ectosphere cage star sleeve 5 and outer spherical surface centres and five equilibrium are arranged, and ectosphere cage outer race 2 is corresponding one by one with the raceway groove of ectosphere cage star sleeve 5.
Internal spherical cage outer race 12 inwall openings are provided with chamfering, and the opening of internal spherical cage outer race 12 inwalls is part and internal spherical cage central axes inwardly, internal spherical cage outer race 12 inwalls and internal spherical cage star sleeve 11 outer walls are equipped with three raceway grooves, with internal spherical cage outer race 12, internal spherical cage steel ball 13 quantity in the internal spherical cage retainer 14 that internal spherical cage star sleeve 11 matches are three, the center of three raceway grooves of internal spherical cage outer race 12 and inner ball surface centres and five equilibrium are arranged, three raceway groove centers of internal spherical cage star sleeve 11 and outer spherical surface centres and five equilibrium are arranged, and the raceway groove of internal spherical cage outer race 12 is corresponding one by one with the raceway groove of internal spherical cage star sleeve 11; Be arranged with ball bearing 16 near on the power input shaft 20 at internal spherical cage outer race 12 places, be provided with circlip for hole 15 between ball bearing 16 and the internal spherical cage outer race 12, close ball bearing 16 is provided with guard ring 18 away from the power input shaft 20 of a side of internal spherical cage outer race 12, and also is provided with circlip for shaft 17 between ball bearing 16 and the guard ring 18.
All be provided with dust-proof cover 8 between ectosphere cage outer race 2, internal spherical cage outer race 12 and the jack shaft 10, dust-proof cover 8 is fixed on corresponding outer race and the jack shaft 10 by clip 7, form airtight space between corresponding outer race and the dust-proof cover 8, be marked with lubricant oil in this space, make the universal energy-conservation transmitting movement neatly of this kind.
Claims (6)
1. rzeppa universal joint, comprise internal spherical cage, ectosphere cage, power input shaft, pto and jack shaft, inside and outside ball cage all is provided with outer race, retainer, steel ball and star sleeve, the internal spherical cage outer race is connected with power input shaft, the internal spherical cage star sleeve is connected with an end spline of jack shaft, the other end of jack shaft is connected with ectosphere cage star sleeve spline, ectosphere cage outer race is connected with pto, it is characterized in that: described ectosphere cage outer race is provided with ABS anti-lock brake structure near the pto place; Described internal spherical cage outer race inwall opening is provided with chamfering, and inside part of the opening of internal spherical cage outer race inwall and internal spherical cage central axes.
2. a kind of rzeppa universal joint according to claim 1, it is characterized in that: ectosphere cage outer race and ectosphere cage star sleeve all are provided with eight raceway grooves, with the quantity of ectosphere cage steel ball in the ectosphere cage retainer that ectosphere cage outer race, ectosphere cage star sleeve match is eight, and ectosphere cage outer race is corresponding one by one with the raceway groove of ectosphere cage star sleeve.
3. a kind of rzeppa universal joint according to claim 1, it is characterized in that: internal spherical cage outer race inwall and internal spherical cage star sleeve outer wall are equipped with three raceway grooves, with the internal spherical cage steel ball number in the internal spherical cage retainer that internal spherical cage outer race, internal spherical cage star sleeve match is three, and the raceway groove of internal spherical cage outer race is corresponding one by one with the raceway groove of internal spherical cage star sleeve.
4. root a kind of rzeppa universal joint according to claim 1, it is characterized in that: described ABS anti-lock brake structure is the gear ring assembly.
5. a kind of rzeppa universal joint according to claim 1 is characterized in that: all be provided with dust-proof cover between ectosphere cage outer race, internal spherical cage outer race and the jack shaft, dust-proof cover is fixed on corresponding outer race and the jack shaft by clip.
6. a kind of rzeppa universal joint according to claim 1 is characterized in that: be arranged with ball bearing near on the power input shaft at internal spherical cage outer race place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203004124U CN201593568U (en) | 2010-01-11 | 2010-01-11 | Ball basket type universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203004124U CN201593568U (en) | 2010-01-11 | 2010-01-11 | Ball basket type universal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201593568U true CN201593568U (en) | 2010-09-29 |
Family
ID=42775634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203004124U Expired - Fee Related CN201593568U (en) | 2010-01-11 | 2010-01-11 | Ball basket type universal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201593568U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114479A (en) * | 2015-09-14 | 2015-12-02 | 温州聚泉汽车部件有限公司 | Constant-velocity universal joint transmission shaft |
| CN108061104A (en) * | 2018-01-11 | 2018-05-22 | 宁波万航实业有限公司 | A kind of constant speed universal-joint semi-shaft assembly |
-
2010
- 2010-01-11 CN CN2010203004124U patent/CN201593568U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114479A (en) * | 2015-09-14 | 2015-12-02 | 温州聚泉汽车部件有限公司 | Constant-velocity universal joint transmission shaft |
| CN108061104A (en) * | 2018-01-11 | 2018-05-22 | 宁波万航实业有限公司 | A kind of constant speed universal-joint semi-shaft assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20160111 |