CN216715154U - Differential mechanism, drive axle assembly and vehicle - Google Patents
Differential mechanism, drive axle assembly and vehicle Download PDFInfo
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- CN216715154U CN216715154U CN202220404060.XU CN202220404060U CN216715154U CN 216715154 U CN216715154 U CN 216715154U CN 202220404060 U CN202220404060 U CN 202220404060U CN 216715154 U CN216715154 U CN 216715154U
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- gasket
- positioning groove
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Abstract
The utility model discloses a differential mechanism, a drive axle assembly and a vehicle, wherein the differential mechanism comprises: the inner wall of the shell is provided with one of a positioning groove and a positioning bulge; the half shaft gear is arranged in the shell; a spacer located between the side gear and the inner wall of the case, the outer peripheral surface of the spacer being provided with the other of the positioning groove and the positioning projection, the positioning projection being adapted to be inserted into the positioning groove, the positioning projection cooperating with the positioning groove to restrict the relative position of the spacer and the case in the circumferential direction of the spacer. The differential mechanism provided by the embodiment of the utility model can avoid the rotation between the gasket and the shell, and has the advantages of simple structure, stable matching, low maintenance cost and the like.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a differential mechanism, a drive axle assembly and a vehicle.
Background
Differential mechanism among the correlation technique usually includes casing, side gear and gasket, and the in-process of high-speed rotation at side gear can drive the gasket rotatory, can appear relatively rotating between gasket and the casing to lead to the casing wearing and tearing, and then influence gear engagement clearance, cause the abnormal sound, beat quality problems such as tooth or differential mechanism functional failure, in addition, when maintaining differential mechanism, if casing wearing and tearing are great, need change the casing, cost of maintenance is higher.
The gasket of the differential mechanism in some technologies is provided with a positioning protrusion on one axial side face, and the positioning protrusion is matched with the oil groove of the shell to limit relative rotation between the shell and the gasket, but the positioning protrusion can block part of the oil groove to influence the filling of lubricating oil, and moreover, the matching tightness of the protrusion and the oil groove is low, so that the problems of matching failure and the like can be easily caused.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a differential mechanism, which can prevent the rotation between the gasket and the housing, and has the advantages of simple structure, stable fit, low maintenance cost, etc.
The utility model also provides a drive axle assembly with the differential mechanism.
The utility model also provides a vehicle with the drive axle assembly.
To achieve the above object, according to a first aspect of the present invention, there is provided a differential including: the inner wall of the shell is provided with one of a positioning groove and a positioning bulge; a side gear disposed within the housing; a spacer located between the side gear and the inner wall of the case, the outer peripheral surface of the spacer being provided with the other of the positioning groove and the positioning projection, the positioning projection being adapted to be inserted into the positioning groove, the positioning projection cooperating with the positioning groove to restrict the relative position of the spacer and the case in the circumferential direction of the spacer.
The differential mechanism provided by the embodiment of the utility model can avoid the rotation between the gasket and the shell, and has the advantages of simple structure, stable matching, low maintenance cost and the like.
According to some embodiments of the utility model, the outer circumferential surface of the gasket is provided with the positioning projection, and the inner wall of the housing is provided with the positioning groove.
According to some embodiments of the present invention, the positioning groove is provided in plurality at intervals in a circumferential direction of the housing, the positioning protrusion is provided in plurality at intervals in a circumferential direction of the gasket, and the plurality of positioning protrusions are inserted into the plurality of positioning grooves in a one-to-one correspondence.
According to some embodiments of the present invention, the plurality of positioning grooves includes a first positioning groove and a second positioning groove, the first positioning groove and the second positioning groove are respectively disposed at two opposite sides of the housing in a radial direction; the positioning bulges comprise first positioning bulges and second positioning bulges, and the first positioning bulges and the second positioning bulges are respectively arranged on two opposite sides of the gasket in the radial direction; wherein the first positioning protrusion is adapted to be inserted into the first positioning groove, and the second positioning protrusion is adapted to be inserted into the second positioning groove.
According to some embodiments of the utility model, the inner wall of the housing is protruded radially inward thereof to form a positioning boss, and the positioning groove is formed at a tip of the positioning boss.
According to some embodiments of the utility model, the positioning boss and the housing are integrally formed; and/or the positioning protrusion and the gasket are integrally formed.
According to some embodiments of the utility model, the width of the positioning projection is gradually reduced from one axial end of the spacer to the other axial end of the spacer.
According to some embodiments of the utility model, the positioning projection has a dimension in the axial direction of the spacer not greater than the axial length of the spacer.
There is also provided in accordance with a second aspect embodiment of the present invention a drive axle assembly, including: the differential according to the embodiment of the first aspect of the utility model.
According to the drive axle assembly of the embodiment of the second aspect of the utility model, by utilizing the differential mechanism of the embodiment of the first aspect of the utility model, the rotation between the gasket and the shell can be avoided, and the drive axle assembly has the advantages of simple structure, stable matching, low maintenance cost and the like.
There is also provided, in accordance with an embodiment of the third aspect of the present invention, a vehicle including: the drive axle assembly is provided according to the embodiment of the second aspect of the utility model.
According to the vehicle of the embodiment of the third aspect of the utility model, by utilizing the drive axle assembly of the embodiment of the second aspect of the utility model, the rotation between the gasket and the shell can be avoided, and the advantages of simple structure, stable matching, low maintenance cost and the like are achieved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a cross-sectional view of a differential according to an embodiment of the present invention.
FIG. 2 is a schematic illustration of the assembly of the housing and spacer of the differential according to an embodiment of the present invention.
FIG. 3 is a schematic structural view of a housing of the differential according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a gasket according to an embodiment of the present invention.
Reference numerals:
a differential mechanism 1,
The gasket 300, a positioning protrusion 310, a first positioning protrusion 311, and a second positioning protrusion 312.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more, and "several" means one or more.
A differential 1 according to an embodiment of the utility model is described below with reference to the drawings.
As shown in fig. 1 to 4, the differential 1 according to the embodiment of the utility model includes a case 100, a side gear 200, and a spacer 300.
The inner wall of the case 100 is provided with one of a positioning groove 120 and a positioning projection 310, the side gear 200 is provided in the case 100, the spacer 300 is located between the side gear 200 and the inner wall of the case 100, the outer peripheral surface of the spacer 300 is provided with the other of the positioning groove 120 and the positioning projection 310, the positioning projection 310 is adapted to be inserted into the positioning groove 120, and the positioning projection 310 cooperates with the positioning groove 120 to restrict the relative positions of the spacer 300 and the case 100 in the circumferential direction of the spacer 300.
According to the differential 1 of the embodiment of the utility model, by providing one of the positioning groove 120 and the positioning projection 310 on the inner wall of the case 100, the side gear 200 is provided in the case 100, the spacer 300 is located between the side gear 200 and the inner wall of the case 100, the outer peripheral surface of the spacer 300 is provided with the other of the positioning groove 120 and the positioning projection 310, and the positioning projection 310 is adapted to be inserted into the positioning groove 120.
Thus, the spacer 300 can be clamped together by the matching of the positioning protrusion 310 and the positioning groove 120 to limit the rotation of the spacer 300 relative to the case 100, when the differential 1 works, the side gear 200 rotates, the spacer 300 cannot rotate along with the side gear 200, i.e., the relative rotation occurs between the side gear 200 and the spacer 300, thereby avoiding the abrasion of the spacer 300 to the case 100, avoiding the gear meshing gap, causing the quality problems of abnormal sound, gear beating or the functional failure of the differential 1, and when the differential 1 is maintained, if the spacer 300 is worn greatly, the spacer 300 can be directly replaced, avoiding the operation of replacing the case 100, and the maintenance cost of the spacer 300 is lower than that of the case 100, thereby reducing the maintenance cost of the differential 1.
Moreover, the positioning protrusion 310 and the positioning groove 120 are respectively arranged on the gasket 300 and the housing 100, compared with the differential in the prior art, the positioning protrusion is arranged on the gasket to be matched with the oil groove, and the positioning protrusion can affect the oil passing of the oil groove.
In addition, the positioning protrusion 310 or the positioning groove 120 is disposed on the outer circumferential surface of the gasket 300, the positioning protrusion 310 may protrude from the outer circumferential surface of the gasket 300 along the radial direction of the gasket 300, and the positioning protrusion 310 extends along the thickness direction of the gasket 300, so that the size of the positioning protrusion 310 extending along the thickness direction of the gasket 300 may be larger, and the thickness of the gasket 300 may not be increased additionally, which may not only affect the normal assembly of the gasket 300, but also stabilize the cooperation between the positioning protrusion 310 and the positioning groove 120, even if the position of the gasket 300 is slightly changed, the positioning protrusion 310 may not be separated from the positioning groove 120, and the assembly may be more stable.
Thus, the differential 1 according to the embodiment of the present invention can prevent the spacer 300 and the housing 100 from rotating, and has the advantages of simple structure, stable matching, low maintenance cost, etc.
According to some embodiments of the present invention, as shown in fig. 2 and 4, the positioning protrusion 310 is disposed on the outer circumferential surface of the spacer 300, the positioning groove 120 is disposed on the inner wall of the housing 100, the relative rotation between the spacer 300 and the housing 100 can be stably limited by the insertion fit between the positioning protrusion 310 and the positioning groove 120, and the positioning protrusion 310 is disposed on the spacer 300, so that the thickness of the spacer 300 is not reduced, and the isolation effect and the buffering effect of the spacer 300 between the housing 100 and the side gear 200 can be ensured.
According to some embodiments of the present invention, as shown in fig. 2 and 4, the positioning grooves 120 are provided in plurality at intervals in the circumferential direction of the housing 100, the positioning protrusions 310 are provided in plurality at intervals in the circumferential direction of the gasket 300, and the plurality of positioning protrusions 310 are inserted into the plurality of positioning grooves 120 in a one-to-one correspondence.
From this, a plurality of positioning groove 120 and a plurality of positioning protrusion 310 cooperate with one-to-one, can further improve the reliability of the assembly between gasket 300 and casing 100, make a plurality of angles of the circumference of gasket 300 both can be fixed, make the fixed between gasket 300 and casing 100 more stable, avoid gasket 300 to take place to shift more effectively, and in addition, the atress can be shared in a plurality of positioning protrusion 310 and a plurality of positioning groove 120 cooperation, avoid single positioning protrusion 310 or single positioning groove 120 to take place structural damage.
Further, as shown in fig. 2 and 3, the plurality of positioning grooves 120 includes a first positioning groove 121 and a second positioning groove 122.
The first positioning groove 121 and the second positioning groove 122 are respectively disposed on two opposite sides of the housing 100 in the radial direction, the plurality of positioning protrusions 310 include a first positioning protrusion 311 and a second positioning protrusion 312, the first positioning protrusion 311 and the second positioning protrusion 312 are respectively disposed on two opposite sides of the gasket 300 in the radial direction, wherein the first positioning protrusion 311 is suitable for being inserted into the first positioning groove 121, and the second positioning protrusion 312 is suitable for being inserted into the second positioning groove 122.
The structure of the first positioning protrusion 311 and the structure of the second positioning protrusion 312 may be the same, and the structure of the first positioning groove 121 and the structure of the second positioning groove 122 may be the same, so as to simplify the manufacturing process of the gasket 300 and the housing 100.
Moreover, first positioning groove 121 and second positioning groove 122 are respectively arranged at two radial opposite sides of casing 100, first positioning protrusion 311 and second positioning protrusion 312 are respectively arranged at two radial opposite sides of gasket 300, the positions of first positioning groove 121 and second positioning groove 122 on casing 100 are easier to determine, and the positions of first positioning protrusion 311 and second positioning protrusion 312 on gasket 300 are easier to determine, which is beneficial to simplifying processing steps of gasket 300 and casing 100, and the steps during assembly are simpler, the fixing force applied to gasket 300 is more uniform, and the relative position between gasket 300 and casing 100 is easy to ensure to be stable.
For example, when the first positioning projection 311 is inserted into the first positioning groove 121 and the second positioning projection 312 is inserted into the second positioning groove 122, the gasket 300 may be assembled with the housing 100, and when the gasket 300 is rotated 180 ° in the axial direction thereof, the first positioning projection 311 may be inserted into the second positioning groove 122 and the second positioning projection 312 may be inserted into the first positioning groove 121, simplifying the assembling process of the gasket 300.
According to some embodiments of the present invention, as shown in fig. 2 and 3, the inner wall of the housing 100 is protruded radially inward therealong to form the positioning boss 110, and the positioning groove 120 is formed at the tip of the positioning boss 110.
The top end of the positioning boss 110 is the end of the positioning boss 110 facing the axis of the housing 100, and the positioning groove 120 is recessed inwards from the top end of the positioning boss 110. Like this, through addding location boss 110, be convenient for set up positioning groove 120 on the one hand, reserved the processing space for positioning groove 120's setting, on the other hand can avoid setting up positioning groove 120 and lead to the local thickness attenuation of casing 100, is favorable to guaranteeing the structural strength of casing 100, avoids casing 100 to damage.
According to some embodiments of the present invention, the positioning boss 110 and the housing 100 are integrally formed, which may simplify the processing steps of the housing 100, facilitate to improve the production efficiency of the housing 100, facilitate to improve the connection strength of the positioning boss 110 and the housing 100, and improve the overall structural strength of the housing 100.
In addition, the positioning protrusion 310 and the gasket 300 are integrally formed, so that the processing steps of the gasket 300 can be simplified, the production efficiency of the gasket 300 can be improved, the connection strength of the positioning protrusion 310 and the gasket 300 can be improved, and the overall structural strength of the gasket 300 can be improved.
According to some embodiments of the present invention, the width of the positioning projection 310 is gradually reduced from one axial end of the spacer 300 to the other axial end of the spacer 300.
For example, after the differential 1 is assembled, one axial end of the spacer 300 faces the side gear 200 and the other axial end faces the case 100, the spacer 300 needs to face the other axial end of the spacer 300 to the case 100 first in the process of assembling the spacer 300 to the case 100, then the spacer 300 is pressed to insert the positioning protrusion 310 into the positioning groove 120, and by setting the width of the positioning protrusion 310 facing the end of the case 100 to be small, a certain guiding effect can be achieved, the assembling between the spacer 300 and the case 100 is facilitated, and the assembling process is further simplified.
In addition, the width of the positioning groove 120 may gradually decrease from the side of the positioning groove 120 facing the gasket 300 to the side away from the gasket 300, so that after the positioning protrusion 310 is completely inserted into the positioning groove 120, the positioning protrusion 310 and the positioning groove 120 can be attached more tightly, and the connection is more stable.
According to some embodiments of the present invention, as shown in fig. 4, the positioning boss 310 has a dimension in the axial direction of the spacer 300 not greater than the axial length of the spacer 300.
For example, the axial dimension of the positioning protrusion 310 in the gasket 300 may be equal to the axial length of the gasket 300, so that the axial dimension of the positioning protrusion 310 in the gasket 300 is larger, thereby increasing the contact area between the positioning protrusion 310 and the positioning groove 120, and the positioning effect of the positioning protrusion 310 on the gasket 300 is better, and the axial dimension of the positioning protrusion 310 in the gasket 300 is not greater than the axial length of the gasket 300, and the gasket 300 can support the positioning protrusion 310 as a whole, and the structural strength of the positioning protrusion 310 is higher.
Alternatively, the dimension of the positioning protrusion 310 in the axial direction of the gasket 300 may be smaller than the axial length of the gasket 300, so that the positioning protrusion 310 may be set to be smaller, which facilitates the processing of the gasket 300 on the one hand, and on the other hand, the fixing structure of the gasket 300 and the housing 100 does not occupy a larger space inside the housing 100, which is more convenient for arrangement.
A drive axle assembly according to an embodiment of the present invention, which includes the differential 1 according to the above-described embodiment of the present invention, is described below with reference to the drawings.
According to the drive axle assembly of the embodiment of the utility model, by using the differential 1 of the above embodiment of the utility model, the rotation between the gasket 300 and the housing 100 can be avoided, and the drive axle assembly has the advantages of simple structure, stable matching, low maintenance cost and the like.
A vehicle according to an embodiment of the present invention, which includes a drive axle assembly according to the above-described embodiment of the present invention, is described below with reference to the drawings.
According to the vehicle provided by the embodiment of the utility model, the drive axle assembly provided by the embodiment of the utility model can prevent the gasket 300 and the shell 100 from rotating, and has the advantages of simple structure, stable matching, low maintenance cost and the like.
Other constructions and operations of the differential 1, the transaxle assembly, and the vehicle according to the embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of "a particular embodiment," "a particular example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A differential, comprising:
the inner wall of the shell is provided with one of a positioning groove and a positioning bulge;
the half shaft gear is arranged in the shell;
a spacer located between the side gear and the inner wall of the case, the outer peripheral surface of the spacer being provided with the other of the positioning groove and the positioning projection, the positioning projection being adapted to be inserted into the positioning groove, the positioning projection cooperating with the positioning groove to restrict the relative position of the spacer and the case in the circumferential direction of the spacer.
2. The differential of claim 1, wherein the outer peripheral surface of the spacer is provided with the positioning projection, and the inner wall of the case is provided with the positioning groove.
3. The differential of claim 1, wherein the positioning grooves are provided in plurality at intervals in the circumferential direction of the housing, the positioning protrusions are provided in plurality at intervals in the circumferential direction of the spacer, and the positioning protrusions are inserted into the positioning grooves in a one-to-one correspondence.
4. The differential of claim 3, wherein said plurality of detent recesses includes a first detent recess and a second detent recess, said first detent recess and said second detent recess being disposed on diametrically opposite sides of said housing;
the positioning bulges comprise first positioning bulges and second positioning bulges, and the first positioning bulges and the second positioning bulges are respectively arranged on two opposite sides of the gasket in the radial direction;
wherein the first positioning protrusion is adapted to be inserted into the first positioning groove, and the second positioning protrusion is adapted to be inserted into the second positioning groove.
5. The differential of claim 1, wherein the inner wall of the housing projects radially inwardly therealong to form a locating boss, the locating groove being formed at a top end of the locating boss.
6. The differential of claim 5, wherein the locating boss is integrally formed with the housing; and/or
The positioning protrusion and the gasket are integrally formed.
7. The differential of claim 2, wherein the width of the positioning projection gradually decreases from one axial end of the spacer to the other axial end of the spacer.
8. The differential of claim 2, wherein the positioning projection has a dimension in the axial direction of the spacer that is no greater than the axial length of the spacer.
9. A drive axle assembly, comprising: the differential of any one of claims 1-8.
10. A vehicle, characterized by comprising: the drive axle assembly of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220404060.XU CN216715154U (en) | 2022-02-25 | 2022-02-25 | Differential mechanism, drive axle assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220404060.XU CN216715154U (en) | 2022-02-25 | 2022-02-25 | Differential mechanism, drive axle assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216715154U true CN216715154U (en) | 2022-06-10 |
Family
ID=81875299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220404060.XU Active CN216715154U (en) | 2022-02-25 | 2022-02-25 | Differential mechanism, drive axle assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216715154U (en) |
-
2022
- 2022-02-25 CN CN202220404060.XU patent/CN216715154U/en active Active
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