CN221272428U - Rear cover of drive axle, drive axle and vehicle - Google Patents
Rear cover of drive axle, drive axle and vehicle Download PDFInfo
- Publication number
- CN221272428U CN221272428U CN202323276774.0U CN202323276774U CN221272428U CN 221272428 U CN221272428 U CN 221272428U CN 202323276774 U CN202323276774 U CN 202323276774U CN 221272428 U CN221272428 U CN 221272428U
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- China
- Prior art keywords
- rear cover
- transaxle
- drive axle
- spherical surface
- cover
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- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000003921 oil Substances 0.000 description 42
- 239000010687 lubricating oil Substances 0.000 description 13
- 238000007789 sealing Methods 0.000 description 9
- 230000001050 lubricating effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a rear cover of a drive axle, the drive axle and a vehicle with the same, wherein the rear side surface of the rear cover of the drive axle comprises: a spherical surface portion forming a spherical surface and covering a rear side of the transaxle case; the plane part, plane part forms the plane, sphere part encircle and connect in plane part, plane part structure has oilhole and volume scale mark, the volume scale mark is arranged along the direction of height, the oilhole is suitable for communicating to inside the transaxle housing, the oilhole with the volume scale mark corresponds the setting. The rear cover of the drive axle has the advantages of good tightness, convenient operation, high recognition degree, high production efficiency and the like.
Description
Technical Field
The utility model relates to the technical field of vehicle parts, in particular to a rear cover of a drive axle, the drive axle and a vehicle with the rear cover.
Background
The rear cover of the drive axle of the vehicle in the related art is generally constructed into a curved surface structure, when the oil filling hole is plugged, a curved surface is formed outside the oil filling hole due to the rear cover of the drive axle, a certain gap is formed between the curved surface at the edge of the installation hole and the plane structure for installing the sealing element, good sealing cannot be formed, the risk of oil leakage exists in the vehicle, and the perforation difficulty of the oil filling hole is large due to the fact that the rear cover is of the curved surface structure, the perforation position is difficult to determine, the oil filling quantity corresponding to the position of the oil filling hole cannot be accurately judged, and the oil filling quantity is difficult to accurately control.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a rear cover of a driving axle, which has the advantages of good tightness, convenient operation, high recognition degree, high production efficiency, etc.
A second aspect of an embodiment of the present utility model provides a drive axle having a drive axle rear cover.
A third aspect of an embodiment of the present utility model provides a vehicle having a transaxle.
In order to achieve the above object, according to an embodiment of the present utility model, there is provided a rear cover of a transaxle, a rear side surface of the rear cover of the transaxle including: a spherical surface portion forming a spherical surface and covering a rear side of the transaxle case; the plane part, plane part forms the plane, sphere part encircle and connect in plane part, plane part structure has oilhole and volume scale mark, the volume scale mark is arranged along the direction of height, the oilhole is suitable for communicating to inside the transaxle housing, the oilhole with the volume scale mark corresponds the setting.
The rear cover of the drive axle has the advantages of good tightness, convenient operation, high recognition degree, high production efficiency and the like.
According to some embodiments of the utility model, the transaxle rear cover is configured with a boss protruding from the spherical portion, and the planar portion is formed at a rear side of the boss.
According to some embodiments of the utility model, the boss is configured as a cuboid, the length of the boss extending in the height direction.
According to some embodiments of the utility model, a chamfer is formed at the junction of the edge of the boss and the spherical portion.
According to some embodiments of the utility model, the axis of the oil hole is perpendicular to the plane portion.
According to some embodiments of the utility model, the oil hole is configured as an internally threaded hole, and the oil hole is closed by screwing the oil hole plug screw to the internally threaded hole.
According to some embodiments of the utility model, the rear axle cover is configured with a recess portion recessed toward the spherical surface portion, the recess portion being connected to the spherical surface portion, the recess portion extending in a vertical direction and being located on both sides of the planar portion in a horizontal direction.
According to some embodiments of the utility model, the recess comprises: the first concave part extends along the vertical direction and is adjacent to two sides of the rear cover of the drive axle in the horizontal direction; the second concave part is arranged in parallel with the first concave part, the second concave part is positioned on one side of the first concave part facing the plane part, and the joint of the second concave part and the spherical part is formed with the transitional cambered surface.
An embodiment according to a second aspect of the present utility model provides a drive axle comprising a drive axle housing adapted for mounting therein a final drive, a half shaft and a differential; the rear cover of the drive axle of the embodiment is arranged at the rear side of the drive axle housing and seals the drive axle housing.
The rear cover of the drive axle has the advantages of good tightness, convenient operation, high identification degree, high production efficiency and the like.
An embodiment according to a third aspect of the present utility model proposes a vehicle comprising a drive axle according to the above-described embodiment of the present utility model.
According to the vehicle disclosed by the embodiment of the utility model, the driving axle disclosed by the embodiment of the utility model has the advantages of good tightness, convenience in operation, high recognition degree, high production efficiency and the like.
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 foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of a rear cover of a transaxle according to an embodiment of the present utility model;
FIG. 2 is a side view of a rear axle cover according to an embodiment of the present utility model;
Fig. 3 is a schematic structural view of a planar portion according to an embodiment of the present utility model.
Reference numerals:
Rear cover 1 of drive axle, spherical surface part 100, plane part 200, boss 300, concave part 400, oil hole 210,
Volume graduation mark 220, chamfer 310, first recess 410, second recess 420.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.
In the description of the utility model, "a plurality" means two or more, and "a number" means one or more.
A transaxle rear cover 1 according to an embodiment of the present utility model is described below with reference to the drawings.
As shown in fig. 1 to 3, the rear side surface of the transaxle rear cover 1 according to the embodiment of the present utility model includes a spherical surface portion 100 and a planar surface portion 200.
The spherical surface portion 100 forms a spherical surface and covers the rear side of the transaxle case. The plane part 200 forms a plane, the spherical surface part 100 surrounds and is connected to the plane part 200, the plane part 200 is configured with oil holes 210 and volume graduation marks 220, the volume graduation marks 220 are arranged along the height direction, the oil holes 210 are suitable for being communicated to the inside of the driving axle housing, and the oil holes 210 are correspondingly arranged with the volume graduation marks 220.
For example, the cross section of the rear cover 1 of the driving axle is configured in an arc shape, the rear side surface of the rear cover 1 of the driving axle protrudes backward to form a spherical surface part 100, a plane part 200 is configured at the center of the spherical surface part 100, and the volume graduation marks 220 are respectively formed at different heights, for example, the volume graduation marks 220 are respectively formed at the corresponding positions of the volumes of 10L, 11L and 12L in the driving axle. The oil hole 210 can be formed at a proper liquid level, so that the volume of the lubricating oil in the drive axle is moderate, and the completion of filling of the lubricating oil can be ensured when the liquid level of the lubricating oil is approximately level with the lowest point of the oil hole 210.
According to the rear cover of the drive axle, the oil hole 210 is communicated with the inside of the drive axle housing, lubricating oil can be added into the inside of the drive axle housing, the oil hole 210 is formed in the plane portion 200, when the oil hole 210 needs to be plugged, the surface of the rear cover 1 of the drive axle, which is arranged outside the oil hole 210, and the surface of the sealing element can be sealed in a plane, so that the bonding degree between the outside of the oil hole 210 and the sealing element is higher, the better sealing performance is achieved, and the possibility of oil leakage is reduced. Moreover, at one side of the oil hole 210, the plane part 200 is provided with a volume scale mark 220, and through the volume scale mark 220, a user can intuitively and accurately judge the oil quantity required by the drive axle through the volume scale mark 220, and the operation of adding the lubricating oil can be completed only by adding quantitative lubricating oil according to the volume scale mark 220, so that the operation flow is simplified, the convenience and the efficiency of operation are improved, and the use experience of the user is improved.
In addition, in the production process of the rear cover 1 of the drive axle, the position of the oil hole 210 is not kept at a fixed position, different types of drive axles have different design and size requirements, the position of the oil hole 210 can be adjusted according to specific drive axle structures and installation requirements, and through the marking of the volume scale mark 220, punching operation is performed at a proper volume position, so that the position of the oil hole 210 exactly corresponds to a proper lubricating oil level position, and a good lubricating effect is ensured. And because the plane part 200 forms a plane, the punching operation of the oil hole 210 is more facilitated, and the production efficiency is further improved.
Therefore, the rear cover 1 of the drive axle has the advantages of good tightness, convenient operation, high recognition degree, high production efficiency and the like.
In some embodiments of the present utility model, as shown in fig. 1 and 2, the transaxle rear cover 1 is configured with a boss 300 protruding from the spherical surface part 100, and a planar part 200 is formed at the rear side of the boss 300. The boss 300 is a protruding portion of the rear cover 1 of the drive axle, increases the structural strength of the rear cover 1 of the drive axle, provides additional support for the rear cover 1 of the drive axle by increasing the thickness of the material, is beneficial to better bearing load of the rear cover 1 of the drive axle in the oiling process, improves the connection strength of a sealing element for plugging the oil hole 210, and enhances the sealing property and convenience of the integral structure of the rear cover 1 of the drive axle.
In some embodiments of the present utility model, as shown in fig. 1 and 2, the boss 300 is configured as a rectangular parallelepiped, and the length of the boss 300 extends in the height direction. By constructing the boss 300 as a rectangular parallelepiped, the operator can more easily recognize the volume tick marks 220 by providing a longer long side corresponding to the shape in which the volume tick marks 220 are arranged.
In some embodiments of the present utility model, as shown in fig. 2, a chamfer 310 is configured at the junction of the edge of the boss 300 and the spherical portion 100. Chamfer 310 surrounds around boss 300, through the transitional coupling with sphere portion 100, makes stress distribution more mild, under the circumstances of bearing great load or pressure, reduces metal fatigue or fracture's possibility, has improved the fatigue degree and the life of transaxle back cover 1. At the same time, chamfer 310 makes rear cover 1 of the drive axle smoother and more attractive to see, eliminating sharp edges, so that the overall structure of rear cover 1 of the drive axle is more harmonious and unified.
In some embodiments of the present utility model, as shown in fig. 1, the axis of the oil hole 210 is perpendicular to the planar portion 200.
The axis through the oil hole 210 is perpendicular to the plane 200, and when the oil hole 210 needs to be sealed, the sealing member can be better attached to the plane outside the oil hole 210, so that good sealing performance at the oil hole 210 is ensured. In addition, when the oil hole 210 is perforated, the axis of the oil hole 210 is perpendicular to the plane 200, and the perforation operation is more convenient.
In some embodiments of the present utility model, the oil hole 210 is configured as an internally threaded hole, and the oil hole 210 is closed by screwing an oil hole plug with the internally threaded hole. The closed cavity is formed by connecting the oil hole screw plug with the internal thread, and lubricating oil can enter the driving axle housing through the oil hole 210 to lubricate key parts and positions such as gears, reduce friction and abrasion, and improve the service life and efficiency of the driving axle. And the external thread through the oilhole plug screw and the internal thread spiro union of oilhole 210, it is more convenient to dismantle, change lubricating oil that can be convenient, when needs change and add lubricating oil, only need open oilhole 210 through the oilhole plug screw, has improved work efficiency, has practiced thrift time and cost.
In some embodiments of the present utility model, as shown in fig. 1 and 3, the transaxle rear cover 1 is configured with a recess 400 recessed toward the spherical surface part 100, the recess 400 being connected to the spherical surface part 100, the recess 400 extending in a vertical direction and being located on both sides of the planar part 200 in a horizontal direction. The spherical surface part 100 is recessed inwards to form a groove shape, so that interference between the rear cover 1 of the drive axle and other parts is effectively avoided. By recessing the recess 400 into the inside of the transaxle case, the inside space of the transaxle case is reduced to some extent, and the supply amount of lubricating oil can be reduced. The concave portion 400 is connected to the spherical surface portion 100, so that the rear cover 1 of the transaxle is formed into a concave-convex contour, and the structural strength of the rear cover 4 of the transaxle is also improved. In addition, the concave portions 400 are located at both sides of the plane portion 200, for example, the concave portions 400 at both sides are symmetrically disposed, and the distribution of the lubricating oil in the transaxle case is more uniform, thereby lubricating the internal structure more uniformly.
In some embodiments of the present utility model, as shown in fig. 1, the recess 400 includes a first recess 410 and a second recess 420. The first concave portion 410 extends in the vertical direction, and the first concave portion 410 is adjacent to both sides of the transaxle rear cover 1 in the horizontal direction. The second concave portion 420 is arranged in parallel with the first concave portion 410, the second concave portion 420 is located at one side of the first concave portion 410 facing the plane portion 200, and a transitional cambered surface 10 is formed at the connection position of the second concave portion 420 and the spherical surface portion 100. The first concave part 410 and the second concave part 420 are in smooth transitional connection with the spherical surface part 200 through the transitional cambered surface 10, so that the shape of the rear cover 1 of the drive axle is more round, stress concentration is reduced, the connection strength of the connection parts of the spherical surface parts of the second concave part 420 is ensured, and the stability and the integrity of the rear cover 1 of the drive axle are improved.
A second aspect of the embodiment of the present utility model proposes a transaxle including a transaxle case and the transaxle rear cover 1 of the above-described embodiment. The driving axle housing is internally suitable for installing a main speed reducer, a half axle and a differential mechanism. The transaxle rear cover 1 is installed at the rear side of the transaxle case and encloses the transaxle case.
When the driving axle starts to work, the driving force is transmitted to the main speed reducer, the main speed reducer transmits the driving force to the wheels through the half shafts, the differential mechanism is used as a steering device between the driving axle and the wheels, and the rotation speed difference of the left wheels and the right wheels can be adjusted according to the turning condition of the vehicle, so that the vehicle can stably run. And the driving axle rear cover 1 seals the driving axle housing, so that the main speed reducer, the half shaft and the differential mechanism can be effectively protected, foreign matters are prevented from entering, and the damage to the inside is reduced. And meanwhile, the lubricating device is connected with a lubricating system, so that circulation and supply of internal lubricating oil are ensured, the lubrication and cooling of the inside of the drive axle are maintained, and the service life of the drive axle is prolonged.
The drive axle according to the embodiment of the utility model has the advantages of good tightness, convenient operation, high recognition degree, high production efficiency and the like by utilizing the drive axle rear cover 1 according to the embodiment of the utility model.
A vehicle according to an embodiment of the present utility model is described below.
A vehicle according to an embodiment of the present utility model includes a transaxle according to the above-described embodiment of the present utility model.
According to the vehicle disclosed by the embodiment of the utility model, the driving axle disclosed by the embodiment of the utility model has the advantages of good tightness, convenience in operation, high recognition degree, high production efficiency and the like.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A rear axle cover, wherein the rear side of the rear axle cover comprises:
A spherical surface portion forming a spherical surface and covering a rear side of the transaxle case;
The plane part, plane part forms the plane, sphere part encircle and connect in plane part, plane part structure has oilhole and volume scale mark, the volume scale mark is arranged along the direction of height, the oilhole is suitable for communicating to inside the transaxle housing, the oilhole with the volume scale mark corresponds the setting.
2. The transaxle rear cover of claim 1, wherein the transaxle rear cover is configured with a boss protruding from the spherical surface portion, the planar portion being formed at a rear side of the boss.
3. The transaxle rear cover of claim 2 wherein the boss is configured as a cuboid with a long dimension extending in a height direction.
4. The rear axle cover of claim 2, wherein a chamfer is configured at a junction of an edge of the boss and the spherical portion.
5. The transaxle rear cover of claim 1, wherein the axis of the oil hole is perpendicular to the planar portion.
6. The rear axle cover of claim 5, wherein the oil hole is configured as an internally threaded hole, and the oil hole is closed by an oil hole plug screw threaded with the internally threaded hole.
7. The transaxle rear cover of claim 1, wherein the transaxle rear cover is configured with a recess portion recessed toward the spherical surface portion, the recess portion being connected to the spherical surface portion, the recess portion extending in a vertical direction and being located on both sides of the planar portion in a horizontal direction.
8. The transaxle rear cover of claim 7, wherein the recess comprises:
the first concave part extends along the vertical direction and is adjacent to two sides of the rear cover of the drive axle in the horizontal direction;
the second concave part is arranged in parallel with the first concave part, the second concave part is positioned on one side of the first concave part facing the plane part, and a transitional cambered surface is formed at the joint of the second concave part and the spherical part.
9. A drive axle, comprising:
the driving axle housing is internally provided with a main speed reducer, a half shaft and a differential mechanism;
The transaxle rear cover according to any one of claims 1 to 8, which is mounted to a rear side of the transaxle case and closes the transaxle case.
10. A vehicle, characterized by comprising: the drive axle of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323276774.0U CN221272428U (en) | 2023-12-01 | 2023-12-01 | Rear cover of drive axle, drive axle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323276774.0U CN221272428U (en) | 2023-12-01 | 2023-12-01 | Rear cover of drive axle, drive axle and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221272428U true CN221272428U (en) | 2024-07-05 |
Family
ID=91694772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323276774.0U Active CN221272428U (en) | 2023-12-01 | 2023-12-01 | Rear cover of drive axle, drive axle and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221272428U (en) |
-
2023
- 2023-12-01 CN CN202323276774.0U patent/CN221272428U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |