CN103912568A - Assembly structure for ball cage main shaft of automobile - Google Patents
Assembly structure for ball cage main shaft of automobile Download PDFInfo
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- CN103912568A CN103912568A CN201410129885.5A CN201410129885A CN103912568A CN 103912568 A CN103912568 A CN 103912568A CN 201410129885 A CN201410129885 A CN 201410129885A CN 103912568 A CN103912568 A CN 103912568A
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- main shaft
- sleeve assembly
- connecting sleeve
- ball cage
- coupling sleeve
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Abstract
The invention belongs to the technical field of mechanical accessories and provides an assembly structure for a ball cage main shaft of an automobile. The assembly structure comprises a main shaft body, a flange connecting sleeve, a bearing seat assembly and a connecting sleeve assembly, wherein the aperture of the left end, connected with the main shaft body, of the connecting sleeve assembly is greater than that of the right end of the connecting sleeve assembly; an annular pressing block is further arranged on the connecting sleeve assembly, is positioned at the periphery of the connecting sleeve assembly and fixes the connecting sleeve assembly. The assembly structure for the ball cage main shaft of the automobile has the advantages that by reasonably assembling the main shaft with other parts, the torque of the main shaft is increased, and the defect that an original main shaft is likely to shake during rotation is overcome; meanwhile, the abrasion is alleviated, so that a driving shaft operates steadily, the certain working stability can be maintained under the condition of large transmission angle change, the main shaft can adapt to a complicated pavement state, the constant-speed transmission effect is good, and requirements on compaction of chassis space layout and light weight of a main engine plant are met as well.
Description
Technical field
The invention belongs to mechanical fitting technical field, relate to a kind of automobile ball cage spindle mounted structure.
Background technique
While driving the live axle that uses of automobile to install input end substantially do not have fixed structure or fixed structure unreasonable, along with the develop rapidly of automotive industry, to vehicle, indices requirement is more and more higher under steam, how to adapt to the development of automotive industry, will suitably improve orthodox car structure, existing drive shaft shell because of heaviness purchase cost high, and more and more do not meet the automotive light weight technology theory of people's pay attention to day by day, be unfavorable for the energy-saving and emission-reduction of automobile, be difficult to meet the automobile high-speed of people's pay attention to day by day, high pulling torque, the requirements such as travelling comfort, how optimizing torsional stiffness that in automobile driving axle, the structure of each component makes automobile driving axle can improve automobile driving axle has become person of ordinary skill in the field's a important subject, the main shaft of existing ball cage and other assembling parts are unreasonable, as main shaft and flange, the coupling such as protective ring is unreasonable, cause like this main shaft easily to occur when rotated rocking, simultaneously in intensity, driving torque and working life are all not ideal enough, can not adapt to complicated pavement state, cause running unstable.
Summary of the invention
Technical problem to be solved by this invention is the present situation for prior art, and provides a kind of simple and compact for structure, the automobile ball cage spindle mounted structure operating steadily.
The present invention solves the problems of the technologies described above adopted technological scheme: a kind of automobile ball cage spindle mounted structure, it is characterized in that, comprise main shaft, flange connecting sleeve, bearing block assembly and coupling sleeve assembly, described flange connecting sleeve is assembled on the left part of main shaft, described bearing block assembly is arranged on the other main shaft of flange connecting sleeve, the left part of described coupling sleeve assembly is assembled on the right part of main shaft, coupling sleeve assembly and the bore that is connected left part of main shaft are greater than the bore of the right part of coupling sleeve assembly, on described coupling sleeve assembly, be also provided with annular briquetting, annular briquetting is positioned at coupling sleeve assembly places and fixes coupling sleeve assembly outward.
The measure of taking for optimization such scheme specifically comprises:
In above-mentioned a kind of automobile ball cage spindle mounted structure, described bearing block assembly comprises bearing, bearing support, stop back-up ring and sealing protection circle, described sealing protection circle is between bearing and bearing support, and stop back-up ring is arranged on the gap location of bearing and main shaft.
In above-mentioned a kind of automobile ball cage spindle mounted structure, on the outer end, inner side of described coupling sleeve assembly and the joint of main shaft, be provided with the first protective ring, the outer end place between coupling sleeve assembly and annular briquetting is provided with the second protective ring.
In above-mentioned a kind of automobile ball cage spindle mounted structure, on the joint of described main shaft and flange connecting sleeve, be provided with the first spline, the bond angle of the first spline is 45 °, after described main shaft and flange connecting sleeve are fixing by the first spline assembling, has three solder joints at main shaft end face circumference.
In above-mentioned a kind of automobile ball cage spindle mounted structure, on the joint of described main shaft and coupling sleeve assembly, be provided with the second spline, on the right part of coupling sleeve assembly, be provided with the 3rd spline, the bond angle of the second described spline is 45 °, and the bond angle of the 3rd described spline is 37.5 °.
In above-mentioned a kind of automobile ball cage spindle mounted structure, in described flange connecting sleeve, be provided with flange arrangement, this flange arrangement comprises main body and is arranged on the raceway groove in main body, described body interior is formed with cavity, described raceway groove comprises top portion, portion below, left side portion and right edge portion, described top portion entirety is put down to setting, on top on the neutral position of portion, there is oblique recess, described left side portion is bent downwardly from the left part of top portion and is formed with first and narrows groove, described right edge portion is bent downwardly from the right part of top portion and is formed with second and narrows groove, between being connected of described left side portion and following portion, be formed with the first enlarging groove, between being connected of described right edge portion and following portion, be formed with the second enlarging groove, described following portion is upwards formed with raised step.
In above-mentioned a kind of automobile ball cage spindle mounted structure, on the outside of described left side portion, there is the first outer arc circle, on the outside of right edge portion, there is the second outer arc circle.
In above-mentioned a kind of automobile ball cage spindle mounted structure, described left side portion and right edge portion are symplex structure.
In above-mentioned a kind of automobile ball cage spindle mounted structure, described oblique recess and the angle of transverse horizontal face are 30 °.
Compared with prior art, the invention has the advantages that by main shaft and other assembling parts are rationally arranged, make main shaft in strengthening moment of torsion, overcome original main shaft and easily occurred when rotated the defect of rocking, flange internal channel and main body part constructions are reasonably arranged, the inner chamber of flange and the distance of body are increased, strengthen the intensity of flange, extend the working life of whole ball cage, reduce wear simultaneously, make live axle smooth running, in the situation that driving angle changes greatly, also can keep certain working stability, can adapt to complicated pavement state, and constant speed transmission is effective, meet main engine factory simultaneously and arranged compacter requirement and lightweight requirements for space, chassis.
Brief description of the drawings
Fig. 1 is the schematic diagram of this automobile ball cage spindle mounted structure;
Fig. 2 is the schematic diagram of this flange arrangement.
Embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
In figure, main shaft 1; Flange connecting sleeve 2; Bearing block assembly 3; Coupling sleeve assembly 4; The first spline 5; Bearing 6; Bearing support 7; Stop back-up ring 8; Sealing protection circle 9; The second spline 10; Annular briquetting 11; The first protective ring 12; The second protective ring 13; The 3rd spline 14; Main body 15; Cavity 16; Raceway groove 17; Top portion 18; Portion 19 below; Left side portion 20; Right edge portion 21; Tiltedly recess 22; First narrows groove 23; Second narrows groove 24; The first outer arc circle 25; The second outer arc circle 26; The first enlarging groove 27; The second enlarging groove 28; Raised step 29.
As shown in Figure 1, this automobile ball cage spindle mounted structure, comprise main shaft 1, flange connecting sleeve 2, bearing block assembly 3 and coupling sleeve assembly 4, flange connecting sleeve 2 is assembled on the left part of main shaft 1, the joint of main shaft 1 and flange connecting sleeve 2 on be provided with the first spline 5, the bond angle of the first spline 5 is 45 °, make both connections more reliable by the first spline 5, also increase moment of torsion simultaneously, be pressed onto behind position by the first spline 5 assemblings at flange connecting sleeve 2 and main shaft 1, along these axial end even circumferential spot welding 3 points, in order to fixing (the unnecessary welding slag of end face goes to remove clean), after spot welding completes, this end face need spray pitch-dark processing, after fixing, just there are three solder joints at main shaft 1 end face circumference like this.
Bearing block assembly 3 is arranged on the other main shaft 1 of flange connecting sleeve 2; bearing block assembly 3 comprises bearing 6, bearing support 7, stop back-up ring 8 and sealing protection circle 9; sealing protection circle 9 is between bearing 6 and bearing support 7; can protect bearing 6 by sealing protection circle 9; stop back-up ring 8 is arranged on the gap location of bearing 6 and main shaft 1; facilitate main shaft 1 to rotate so on the one hand; the back-up ring of stop simultaneously 8 has increased sealing, prevents that the dust impurity of outside from running into rotating to the interior impact of bearing support 7.
The left part of coupling sleeve assembly 4 is assembled on the right part of main shaft 1, coupling sleeve assembly 4 and the bore that is connected left part of main shaft 1 are greater than the bore of the right part of coupling sleeve assembly 4, such bore is arranged so that in the time of assembling more convenient, on the joint of main shaft 1 and coupling sleeve assembly 4, be provided with the second spline 10, the bond angle of the second spline 10 is 45 °, make both connections more reliable by the second spline 10, also increase moment of torsion simultaneously, on coupling sleeve assembly 4, be also provided with annular briquetting 11, annular briquetting 11 is positioned at coupling sleeve assembly 4 places and fixes coupling sleeve assembly 4 outward, while preventing from rotating, easily there is the defect of rocking, in order to prevent interfering with other component, on the outer end, inner side of the joint of coupling sleeve assembly 4 and main shaft 1, be provided with the first protective ring 12, outer end place between coupling sleeve assembly 4 and annular briquetting 11 is provided with the second protective ring 13, on the right part of coupling sleeve assembly 4, be provided with the 3rd spline 14, the bond angle of the 3rd spline 14 is 37.5 °, just coupling sleeve assembly 4 can be linked together with other parts again by the 3rd spline 14.
As shown in Figure 2, in flange connecting sleeve, be provided with flange arrangement, this flange arrangement comprises main body 15 and is arranged on the raceway groove 17 in main body 15, and main body 15 inside are formed with cavity 16, and raceway groove 17 comprises top portion 18, portion 19, left side portion 20 and right edge portion 21 below.
Specifically, top portion 18 entirety are put down to setting, on top on the neutral position of portion 18, there is oblique recess 22, left side portion 20 is bent downwardly from the left part of top portion 18 and is formed with first and narrows groove 23, right edge portion 21 is bent downwardly from the right part of top portion 18 and is formed with second and narrows groove 24, here narrowing groove 23 and second by oblique recess 22, first respectively narrows groove 24 and makes can position restriction to it after ball cage assembly is installed into, in order to make effect better, tiltedly recess 22 is 30 ° with the angle of transverse horizontal face.On the outside of left side portion 20, there is the first outer arc circle 25, on the outside of right edge portion 21, there is the second outer arc circle 26, make like this to coordinate tightr with other parts.
Between being connected of left side portion 20 and following portion 19, be formed with the first enlarging groove 27, between being connected of right edge portion 21 and following portion 19, be formed with the second enlarging groove 28, make like this inner chamber of flange apart from increase, strengthen the intensity of flange, extended working life, reduced wear simultaneously, portion 19 is upwards formed with raised step 29 below, coordinate with other parts by raised step 29, make live axle smooth running.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from the defined scope of spirit of the present invention.
Claims (9)
1. an automobile ball cage spindle mounted structure, it is characterized in that, comprise main shaft, flange connecting sleeve, bearing block assembly and coupling sleeve assembly, described flange connecting sleeve is assembled on the left part of main shaft, described bearing block assembly is arranged on the other main shaft of flange connecting sleeve, the left part of described coupling sleeve assembly is assembled on the right part of main shaft, coupling sleeve assembly and the bore that is connected left part of main shaft are greater than the bore of the right part of coupling sleeve assembly, on described coupling sleeve assembly, be also provided with annular briquetting, annular briquetting is positioned at coupling sleeve assembly places and fixes coupling sleeve assembly outward.
2. a kind of automobile ball cage spindle mounted structure according to claim 1, it is characterized in that, described bearing block assembly comprises bearing, bearing support, stop back-up ring and sealing protection circle, described sealing protection circle is between bearing and bearing support, and stop back-up ring is arranged on the gap location of bearing and main shaft.
3. a kind of automobile ball cage spindle mounted structure according to claim 2, it is characterized in that, on the outer end, inner side of described coupling sleeve assembly and the joint of main shaft, be provided with the first protective ring, the outer end place between coupling sleeve assembly and annular briquetting is provided with the second protective ring.
4. a kind of automobile ball cage spindle mounted structure according to claim 3, it is characterized in that, on the joint of described main shaft and flange connecting sleeve, be provided with the first spline, the bond angle of the first spline is 45 °, after described main shaft and flange connecting sleeve are fixing by the first spline assembling, has three solder joints at main shaft end face circumference.
5. a kind of automobile ball cage spindle mounted structure according to claim 4, it is characterized in that, on the joint of described main shaft and coupling sleeve assembly, be provided with the second spline, on the right part of coupling sleeve assembly, be provided with the 3rd spline, the bond angle of the second described spline is 45 °, and the bond angle of the 3rd described spline is 37.5 °.
6. a kind of automobile ball cage spindle mounted structure according to claim 1, it is characterized in that, in described flange connecting sleeve, be provided with flange arrangement, this flange arrangement comprises main body and is arranged on the raceway groove in main body, described body interior is formed with cavity, described raceway groove comprises top portion, portion below, left side portion and right edge portion, described top portion entirety is put down to setting, on top on the neutral position of portion, there is oblique recess, described left side portion is bent downwardly from the left part of top portion and is formed with first and narrows groove, described right edge portion is bent downwardly from the right part of top portion and is formed with second and narrows groove, between being connected of described left side portion and following portion, be formed with the first enlarging groove, between being connected of described right edge portion and following portion, be formed with the second enlarging groove, described following portion is upwards formed with raised step.
7. a kind of automobile ball cage spindle mounted structure according to claim 6, is characterized in that, has the first outer arc circle on the outside of described left side portion, has the second outer arc circle on the outside of right edge portion.
8. a kind of automobile ball cage spindle mounted structure according to claim 7, is characterized in that, described left side portion and right edge portion are symplex structure.
9. a kind of automobile ball cage spindle mounted structure according to claim 6, is characterized in that, described oblique recess and the angle of transverse horizontal face are 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129885.5A CN103912568B (en) | 2014-04-02 | 2014-04-02 | A kind of automobile cage spindle mounted structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129885.5A CN103912568B (en) | 2014-04-02 | 2014-04-02 | A kind of automobile cage spindle mounted structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103912568A true CN103912568A (en) | 2014-07-09 |
| CN103912568B CN103912568B (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410129885.5A Active CN103912568B (en) | 2014-04-02 | 2014-04-02 | A kind of automobile cage spindle mounted structure |
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| CN (1) | CN103912568B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787406A (en) * | 2017-02-26 | 2017-05-31 | 丁国剑 | A kind of load-carrying power transmission shaft of motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2283801A (en) * | 1993-11-09 | 1995-05-17 | Acg France | Tripot universal joint |
| CN202971632U (en) * | 2012-11-28 | 2013-06-05 | 江苏威鹰机械有限公司 | Gate precision forging piece in constant velocity universal joint |
| CN203453316U (en) * | 2013-06-15 | 2014-02-26 | 芜湖佳先传动轴有限公司 | Eccentric four-point positioning type inner ball cage inner cavity |
| CN103603878A (en) * | 2013-10-21 | 2014-02-26 | 宁波纬尚汽车零部件有限公司 | Drive shaft assembly with spraying plastic layer |
| CN203770364U (en) * | 2014-04-02 | 2014-08-13 | 宁波纬尚汽车零部件有限公司 | Assembly structure of ball cage main shaft of automobile |
-
2014
- 2014-04-02 CN CN201410129885.5A patent/CN103912568B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2283801A (en) * | 1993-11-09 | 1995-05-17 | Acg France | Tripot universal joint |
| CN202971632U (en) * | 2012-11-28 | 2013-06-05 | 江苏威鹰机械有限公司 | Gate precision forging piece in constant velocity universal joint |
| CN203453316U (en) * | 2013-06-15 | 2014-02-26 | 芜湖佳先传动轴有限公司 | Eccentric four-point positioning type inner ball cage inner cavity |
| CN103603878A (en) * | 2013-10-21 | 2014-02-26 | 宁波纬尚汽车零部件有限公司 | Drive shaft assembly with spraying plastic layer |
| CN203770364U (en) * | 2014-04-02 | 2014-08-13 | 宁波纬尚汽车零部件有限公司 | Assembly structure of ball cage main shaft of automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787406A (en) * | 2017-02-26 | 2017-05-31 | 丁国剑 | A kind of load-carrying power transmission shaft of motor |
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| Publication number | Publication date |
|---|---|
| CN103912568B (en) | 2017-09-12 |
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