CN205417028U - Drive shaft assembly installing support, jackshaft assembly and drive shaft assembly - Google Patents
Drive shaft assembly installing support, jackshaft assembly and drive shaft assembly Download PDFInfo
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- CN205417028U CN205417028U CN201620172854.2U CN201620172854U CN205417028U CN 205417028 U CN205417028 U CN 205417028U CN 201620172854 U CN201620172854 U CN 201620172854U CN 205417028 U CN205417028 U CN 205417028U
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- steel ball
- drive shaft
- assembly
- connecting plate
- shaft assembly
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Abstract
The utility model provides a drive shaft assembly installing support, jackshaft assembly and drive shaft assembly, this drive shaft assembly installing support include support body, a plurality of steel ball, holder and inner circle, form a cylindrical through hole in the support body, be provided with the outer track of steel ball on cylindrical through hole's the inner wall, the inner circle hold in among the cylindrical through hole, the inner circle orientation the outer orbital one side of steel ball is provided with the interior track of steel ball, a plurality of steel ball settings are in between outer track of steel ball and the interior track of steel ball, the holder is arranged in cylindrical through hole's inner wall with between the inner circle, be used for keeping a plurality of the relative position of steel ball is fixed. This installing support does not have the fit -up gap with the jackshaft assembly, therefore has avoided the abnormal sound problem under assembly difficulty and the high rotational speed, can improve car NVH performance.
Description
Technical field
This utility model belongs to automobile driving axle technical field, particularly relates to a kind of drive shaft assembly mounting bracket, countershaft assembly and drive shaft assembly.
Background technology
At present, the constant velocity driving shaft assembly on market mainly has two-part and syllogic.Syllogic i.e. contains left axle, jackshaft and right axle, and jackshaft need to be installed on the engine by support.
Such as, the front driving shaft device of certain vehicle existing, it is made up of left driving shaft assembly, right driving axle assembly, support；Right driving axle assembly is with bearing；Support is installed on the engine by bolt.During assembling, being first bolted on electromotor by support, right driving axle assembly passes support, is connected with change speed gear box, and bearing coordinates with standoff gap simultaneously, and is connected with support by bolt.Bearing is minimum with support assorted gap, assembly technology difficulty.
The most such as, the front driving shaft device of another vehicle existing, it is made up of left driving shaft assembly, right driving axle assembly, support；Right driving axle assembly is with bearing, and with bearing spider on bearing, bearing spider is connected with support by bolt, and support is installed on the engine by bolt.Bearing and bearing spider interference fit, bearing spider coordinates with standoff gap, structure complexity, and bearing and the bigger gap of support make easily to cause under high rotating speed abnormal sound.
Therefore, it is provided with bearing between the jackshaft of existing syllogic constant velocity driving shaft assembly and support or is simultaneously provided with bearing spider, bearing is too small with the gap of support with support or bearing spider, then can cause assembling difficulty, and excesssive gap then easily causes abnormal sound at high speed；The problems such as meanwhile, bearing is affected by front deck heat radiation, easily occurs that oils and fats dries up, friction abnormal sound.
Utility model content
Technical problem to be solved in the utility model is to cause assembling difficult with support or bearing spider with the too small meeting in gap of support for existing its bearing of syllogic constant velocity driving shaft assembly, excesssive gap then easily causes the defect of abnormal sound at high speed, it is provided that a kind of drive shaft assembly mounting bracket.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is as follows:
A kind of drive shaft assembly mounting bracket is provided, including rack body, multiple steel ball, retainer and inner ring, described rack body is formed a cylindrical hole, steel ball outside track it is provided with on the inwall of described cylindrical hole, described inner ring is contained in described cylindrical hole, described inner ring is provided with steel ball inner orbit towards the side of described steel ball outside track, the plurality of steel ball is arranged between described steel ball outside track and steel ball inner orbit, described retainer is placed between the inwall of described cylindrical hole and described inner ring, for keeping the relative position of multiple described steel ball to fix.
Further, described rack body includes electromotor connecting plate, and described electromotor connecting plate offers installing hole, and described electromotor connecting plate is fixed on electromotor by the first bolt through described installing hole.
According to drive shaft assembly mounting bracket of the present utility model, by forming a cylindrical hole in rack body, and steel ball outside track is set on the inwall of cylindrical hole, so, utilize rack body to constitute the outer ring of bearing, relative to prior art, simplify the structure of drive shaft assembly mounting bracket, and, rolling friction between mounting bracket and steel ball, frictional resistance is little, it is possible to increase the durability of drive shaft assembly mounting bracket.Additionally, when assembling, the inner ring of this mounting bracket is that interference is on the movable joint housing of countershaft assembly, thus, this mounting bracket can integrally combine with countershaft assembly, and compared with prior art, this mounting bracket and countershaft assembly do not have fit-up gap, thus avoid the abnormal sound problem assembled under difficult and high rotating speed, auto NVH performance can be improved.
nullAdditionally，This utility model additionally provides a kind of countershaft assembly，It includes jackshaft、Movable joint and drive shaft assembly mounting bracket，Described movable joint includes movable joint housing，Described movable joint housing is connected to the outer end of described jackshaft，Described drive shaft assembly mounting bracket includes rack body、Multiple steel balls、Retainer and inner ring，Described rack body is formed a cylindrical hole，Steel ball outside track it is provided with on the inwall of described cylindrical hole，Described inner ring is contained in described cylindrical hole，Described inner ring is provided with steel ball inner orbit towards the side of described steel ball outside track，The plurality of steel ball is arranged between described steel ball outside track and steel ball inner orbit，Described retainer is placed between the inwall of described cylindrical hole and described inner ring，For keeping the relative position of multiple described steel ball to fix，Described inner ring interference is on described movable joint housing.
Further, described rack body includes electromotor connecting plate, and described electromotor connecting plate offers installing hole, and described electromotor connecting plate is fixed on electromotor by the first bolt through described installing hole.
Further, described countershaft assembly also includes jump ring, and described movable joint housing is provided with step surface and jump-ring slot, and described jump ring snaps in described jump-ring slot, the both sides end face of described inner ring respectively with described step surface and jump ring against.
Further, described rack body includes that drive shaft connecting plate, described cylindrical hole are formed at the middle part of described drive shaft connecting plate；Described countershaft assembly also includes heat shield, and the inner side end of described drive shaft connecting plate is provided with screwed hole, and described heat shield is bolted on described drive shaft connecting plate by screwing in described screwed hole second.
Further, described heat shield includes intermediate plate, the jackshaft side isolation section being connected to described intermediate plate side and is connected to the bearing side isolation section of described intermediate plate opposite side, the inner side end laminating of described intermediate plate and described drive shaft connecting plate, and be bolted on described drive shaft connecting plate by screwing in described screwed hole second.
Further, described countershaft assembly also includes being connected to the movable joint spline part that described jackshaft is inner.
Additionally, this utility model additionally provides a kind of drive shaft assembly, including left driving shaft assembly, right driving axle assembly and above-mentioned countershaft assembly, described countershaft assembly is connected between described right driving axle assembly and the right-hand member of automobile differential, and described left driving shaft assembly is connected to the left end of automobile differential.
Further, described left driving shaft assembly includes that be sequentially connected with moves left joint, left axle and left fixed knot, described in move left joint and be connected to the left end of automobile differential, the outer end of described left fixed knot is connected to automobile left side hub bearing；Described right driving axle assembly includes the right axle that is sequentially connected with and right fixed knot, and the inner of described right axle is connected to the movable joint of described countershaft assembly, and the outer end of described right fixed knot is connected to car right side hub bearing.
According to drive shaft assembly of the present utility model, the inner ring of mounting bracket is that interference is on the movable joint housing of countershaft assembly, thus, this mounting bracket can integrally combine with countershaft assembly, compared with prior art, this mounting bracket and countershaft assembly do not have fit-up gap, thus avoid the abnormal sound problem assembled under difficult and high rotating speed, can improve auto NVH performance.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the drive shaft assembly that this utility model one embodiment provides；
Fig. 2 is the exploded view of the drive shaft assembly that this utility model one embodiment provides；
Fig. 3 is the side view of the countershaft assembly that this utility model one embodiment provides；
Fig. 4 is the sectional view in Fig. 3 along A-A direction；
Fig. 5 is the axonometric chart of the drive shaft assembly mounting bracket that this utility model one embodiment provides；
Fig. 6 is the side view of the drive shaft assembly mounting bracket that this utility model one embodiment provides；
Fig. 7 is the sectional view in Fig. 6 along B-B direction.
Reference in Figure of description is as follows:
10, left driving shaft assembly；101, joint is moved left；102, left axle；103, left fixed knot；
20, right driving axle assembly；201, right axle；202, right fixed knot；
30, differential mechanism；
40, countershaft assembly；401, jackshaft；402, movable joint；4020, movable joint housing；4021, step surface；4022, jump-ring slot；403, drive shaft assembly mounting bracket；404, movable joint spline part；405, jump ring；406, heat shield；4061, intermediate plate；4062, jackshaft side isolation section；4063, bearing side isolation section；
1, rack body；11, electromotor connecting plate；111, installing hole；12, drive shaft connecting plate；121, screwed hole；2, steel ball；3, retainer；4, inner ring；5, cylindrical hole；6, steel ball outside track；7, steel ball inner orbit；8, the first bolt；9, the second bolt.
Detailed description of the invention
In order to make this utility model be solved the technical problem that, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, this utility model is described in further detail.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
As shown in Figures 1 to 7, the drive shaft assembly that this utility model one embodiment provides, including left driving shaft assembly 10, right driving axle assembly 20 and countershaft assembly 40.Described countershaft assembly 40 is connected between described right driving axle assembly 20 and the right-hand member of automobile differential 30, and described left driving shaft assembly 10 is connected to the left end of automobile differential 30.Differential mechanism 30 is also not drawn into entity structure, illustrates with dotted line in figure.
As shown in Figures 1 and 2, described left driving shaft assembly 10 includes that be sequentially connected with moves left joint 101, left axle 102 and left fixed knot 103, the described joint 101 that moves left is connected to the left end of described differential mechanism 30, and the outer end of described left fixed knot 103 is connected to automobile left side hub bearing.
As shown in Figures 1 to 4, described countershaft assembly 40 includes jackshaft 401, movable joint 402, drive shaft assembly mounting bracket 403 and movable joint spline part 404, described movable joint 402 includes movable joint housing 4020, described movable joint housing 4020 is connected to the outer end of described jackshaft 401 by friction welding (FW), and described movable joint spline part 404 is connected to the inner of described jackshaft 401 by friction welding (FW).Jackshaft 401 is hollow axle.
As shown in Figures 1 and 2, described right driving axle assembly 20 includes being sequentially connected with right axle 201 and right fixed knot 202, and the inner of described right axle 201 is connected to the movable joint 402 of described countershaft assembly, and the outer end of described right fixed knot 202 is connected to car right side hub bearing.Countershaft assembly 40 in Fig. 3 and Fig. 4 merely illustrates the movable joint housing 4020 of movable joint 402, and other parts illustrate at Fig. 1 and Fig. 2.
As shown in fig. 3 to 7, described drive shaft assembly mounting bracket 403 includes rack body 1, multiple steel balls 2, retainer 3 and inner ring 4, described rack body 1 is formed a cylindrical hole 5, it is provided with steel ball outside track 6 on the inwall of described cylindrical hole 5, described inner ring 4 is contained in described cylindrical hole 5, described inner ring 4 is provided with steel ball inner orbit 7 towards the side of described steel ball outside track 6, the plurality of steel ball 2 is arranged between described steel ball outside track 6 and steel ball inner orbit 7, described retainer 3 is placed between inwall and the described inner ring 4 of described cylindrical hole 5, for keeping the relative position of multiple described steel ball 2 to fix.The most multiple described steel balls 2 are limited, and can only be to roll in retainer and circumferentially rotate along the path that steel ball outside track 6 and steel ball inner orbit 7 limit.
Therefore, in the present embodiment, steel ball outside track 6, multiple steel ball 2, retainer 3 and inner ring 4 on rack body cylindrical hole 5 inwall constitute a bearing, and this bearing utilizes rack body 1 to constitute the outer ring of bearing, relative to prior art, simplify the structure of drive shaft assembly mounting bracket.Further, rolling friction between rack body 1 and the steel ball 2 of mounting bracket, frictional resistance is little, it is possible to increase the durability of drive shaft assembly mounting bracket.
In the present embodiment, steel ball 2 quantity is 12.
As shown in fig. 3 to 7, described rack body 1 includes electromotor connecting plate 11, and described electromotor connecting plate 11 offers installing hole 111, and described electromotor connecting plate 111 is fixed on electromotor by the first bolt 8 through described installing hole 111.
As shown in fig. 3 to 7, described rack body 1 also includes that drive shaft connecting plate 12, described cylindrical hole 5 are formed at the middle part of described drive shaft connecting plate 12.
As shown in Figure 3-4, described countershaft assembly 40 also includes jump ring 405, being provided with step surface 4021 and jump-ring slot 4022 on described movable joint housing 4020, described inner ring 4 interference is on the position between the step surface 4021 and jump-ring slot 4022 of described movable joint housing 4020.Described jump ring 405 snaps in described jump-ring slot 4022, the both sides end face of described inner ring 4 respectively with described step surface 4021 and jump ring 405 against, realize the axial location of inner ring 4 (drive shaft assembly mounting bracket 403) with this.
As shown in Figure 1-2, described countershaft assembly 40 also includes heat shield 406, and the inner side end of described drive shaft connecting plate 12 is provided with screwed hole 121.Described heat shield includes intermediate plate 4061, the jackshaft side isolation section 4062 being connected to described intermediate plate 4061 side and is connected to the bearing side isolation section 4063 of described intermediate plate 4061 opposite side, the inner side end laminating of described intermediate plate 4061 and described drive shaft connecting plate 12, and be fixed on described drive shaft connecting plate 12 by screwing in the second bolt 9 in described screwed hole 121.Heat shield 406 can protect parts of bearings (steel ball, inner ring and retainer) from front deck or the heat injury of exhaustor, can improve bearing service life.
As shown in Figure 3-4, described countershaft assembly 40 also includes the movable joint spline part 404 being connected to described jackshaft 401 the inner, for being connected with the side spline of automobile differential 30.
Drive shaft assembly according to this utility model above-described embodiment, the inner ring of mounting bracket is that interference is on the movable joint housing of countershaft assembly, thus, this mounting bracket can integrally combine with countershaft assembly, compared with prior art, this mounting bracket and countershaft assembly do not have fit-up gap, thus avoid the abnormal sound problem assembled under difficult and high rotating speed, can improve auto NVH performance.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (10)
1. a drive shaft assembly mounting bracket, it is characterized in that, including rack body, multiple steel balls, retainer and inner ring, described rack body is formed a cylindrical hole, steel ball outside track it is provided with on the inwall of described cylindrical hole, described inner ring is contained in described cylindrical hole, described inner ring is provided with steel ball inner orbit towards the side of described steel ball outside track, the plurality of steel ball is arranged between described steel ball outside track and steel ball inner orbit, described retainer is placed between the inwall of described cylindrical hole and described inner ring, for keeping the relative position of multiple described steel ball to fix.
Drive shaft assembly mounting bracket the most according to claim 1, it is characterized in that, described rack body includes electromotor connecting plate, and described electromotor connecting plate offers installing hole, and described electromotor connecting plate is fixed on electromotor by the first bolt through described installing hole.
3. a countershaft assembly, it is characterized in that, including jackshaft, movable joint and drive shaft assembly mounting bracket, described movable joint includes movable joint housing, described movable joint housing is connected to the outer end of described jackshaft, described drive shaft assembly mounting bracket includes rack body, multiple steel balls, retainer and inner ring, described rack body is formed a cylindrical hole, steel ball outside track it is provided with on the inwall of described cylindrical hole, described inner ring is contained in described cylindrical hole, described inner ring is provided with steel ball inner orbit towards the side of described steel ball outside track, the plurality of steel ball is arranged between described steel ball outside track and steel ball inner orbit, described retainer is placed between the inwall of described cylindrical hole and described inner ring, for keeping the relative position of multiple described steel ball to fix, described inner ring interference is on described movable joint housing.
Countershaft assembly the most according to claim 3, it is characterized in that, described rack body includes electromotor connecting plate, and described electromotor connecting plate offers installing hole, and described electromotor connecting plate is fixed on electromotor by the first bolt through described installing hole.
Countershaft assembly the most according to claim 3, it is characterized in that, described countershaft assembly also includes jump ring, and described movable joint housing is provided with step surface and jump-ring slot, described jump ring snaps in described jump-ring slot, the both sides end face of described inner ring respectively with described step surface and jump ring against.
Countershaft assembly the most according to claim 3, it is characterised in that described rack body includes that drive shaft connecting plate, described cylindrical hole are formed at the middle part of described drive shaft connecting plate；Described countershaft assembly also includes heat shield, and the inner side end of described drive shaft connecting plate is provided with screwed hole, and described heat shield is bolted on described drive shaft connecting plate by screwing in described screwed hole second.
Countershaft assembly the most according to claim 6, it is characterized in that, described heat shield includes intermediate plate, the jackshaft side isolation section being connected to described intermediate plate side and is connected to the bearing side isolation section of described intermediate plate opposite side, the inner side end laminating of described intermediate plate and described drive shaft connecting plate, and be bolted on described drive shaft connecting plate by screwing in described screwed hole second.
Countershaft assembly the most according to claim 3, it is characterised in that described countershaft assembly also includes being connected to the movable joint spline part that described jackshaft is inner.
9. a drive shaft assembly, it is characterized in that, including left driving shaft assembly, right driving axle assembly and the countershaft assembly described in claim 3-8 any one, described countershaft assembly is connected between described right driving axle assembly and the right-hand member of automobile differential, and described left driving shaft assembly is connected to the left end of automobile differential.
Drive shaft assembly the most according to claim 9, it is characterized in that, described left driving shaft assembly includes that be sequentially connected with moves left joint, left axle and left fixed knot, described in move left joint and be connected to the left end of automobile differential, the outer end of described left fixed knot is connected to automobile left side hub bearing；Described right driving axle assembly includes the right axle that is sequentially connected with and right fixed knot, and the inner of described right axle is connected to the movable joint of described countershaft assembly, and the outer end of described right fixed knot is connected to car right side hub bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620172854.2U CN205417028U (en) | 2016-03-04 | 2016-03-04 | Drive shaft assembly installing support, jackshaft assembly and drive shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620172854.2U CN205417028U (en) | 2016-03-04 | 2016-03-04 | Drive shaft assembly installing support, jackshaft assembly and drive shaft assembly |
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| Publication Number | Publication Date |
|---|---|
| CN205417028U true CN205417028U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620172854.2U Active CN205417028U (en) | 2016-03-04 | 2016-03-04 | Drive shaft assembly installing support, jackshaft assembly and drive shaft assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827952A (en) * | 2017-03-02 | 2017-06-13 | 奇瑞汽车股份有限公司 | A kind of hub bearing mechanism and vehicle |
| CN108561537A (en) * | 2018-06-01 | 2018-09-21 | 芜湖贝埃斯汽车部件有限公司 | It is a kind of to combine the versatility support of bearing up and down |
-
2016
- 2016-03-04 CN CN201620172854.2U patent/CN205417028U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827952A (en) * | 2017-03-02 | 2017-06-13 | 奇瑞汽车股份有限公司 | A kind of hub bearing mechanism and vehicle |
| CN108561537A (en) * | 2018-06-01 | 2018-09-21 | 芜湖贝埃斯汽车部件有限公司 | It is a kind of to combine the versatility support of bearing up and down |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |