CN210128055U

CN210128055U - Driving gear flange plate, main reducer assembly and automobile

Info

Publication number: CN210128055U
Application number: CN201920924592.4U
Authority: CN
Inventors: 张电; 肖军; 徐进金; 梁雅楠; 周渝; 胡颂韩; 吴祥超
Original assignee: Beijing Automotive Group Off Road Vehicle Co Ltd
Current assignee: BAIC Group ORV Co ltd; Beijing Automotive Group Off Road Vehicle Co Ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-03-06
Anticipated expiration: 2029-06-19

Abstract

The utility model provides a driving gear ring flange, main reducer assembly and car, this driving gear ring flange includes: a driving gear flange plate body; the first end of the driving gear flange plate body is columnar and is attached to a bearing, wherein a chamfer is arranged at the end part of the first end, a first fillet is formed at the joint of an inclined plane formed by the chamfer and the outer side wall of the first end, and a second fillet is formed at the joint of the inclined plane formed by the chamfer and the end face of the first end. The utility model discloses a set up first fillet and second fillet, avoided the closed angle that driving gear flange body formed when seting up the chamfer, reduced the risk of main tooth oil blanket by the fish tail.

Description

Driving gear flange plate, main reducer assembly and automobile

Technical Field

The utility model relates to a main reducer assembly field, in particular to driving gear ring flange, main reducer assembly and car.

Background

For a traditional power vehicle type, no matter a passenger vehicle or a commercial vehicle, a power assembly and a transmission system such as an engine, a transmission and a drive axle cannot be driven, the systems need to be lubricated by oil during operation, and therefore, each large vehicle enterprise can ensure that the lubricating oil cannot leak in the service life of the vehicle in the design process of the vehicle so as to ensure the performance of the vehicle.

The main component of the drive axle assembly, the main reducer assembly, is used as the core component at the end of the transmission system, and during the working process, the gears, the bearings and other parts need to be lubricated by gear oil, in order to prevent the leakage of the gear oil, the end of the main reducer can be provided with a main gear oil seal for sealing, as shown in fig. 1, the main gear oil seal is a partial schematic diagram of the main gear oil seal, and comprises: a main dust lip 221, a hold-down spring 222, a seal lip 223, and an auxiliary dust lip 224; when the main gear oil seal is installed, the main gear oil seal sleeve is required to be arranged on the driving gear flange.

However, the end part of the driving gear flange plate has a sharp corner, so that the main gear oil seal has the risk of scratching; if the main gear oil seal is scratched, oil leakage can be caused. The appearance of a vehicle chassis can be influenced by slight oil leakage of the main gear oil seal, and serious faults such as ablation, tooth punching and the like of a transmission system can occur due to the loss of lubricating oil of a drive axle under a serious condition, so that the vehicle cannot run, and a driver and passengers are seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a driving gear flange, main reducer assembly and car for solve the easy problem of fish tail owner tooth oil blanket of driving gear flange among the prior art.

In order to solve the technical problem, the utility model discloses a following technical scheme:

according to the utility model discloses an aspect provides a driving gear flange, include:

a driving gear flange plate body;

the first end of the driving gear flange plate body is columnar and is attached to a bearing, wherein a chamfer is arranged at the end part of the first end, a first fillet is formed at the joint of an inclined plane formed by the chamfer and the outer side wall of the first end, and a second fillet is formed at the joint of the inclined plane formed by the chamfer and the end face of the first end.

Further, the chamfer is annular and is arranged at the joint of the outer side wall of the first end and the end face.

Further, the length a of the chamfer is within a first preset length range.

Further, the angle b of the chamfer is within a preset angle range.

Further, the radius of the first round angle is within a second preset length range.

Further, the radius of the second fillet is within a third preset length range.

According to another aspect of the present invention, there is provided a main reducer assembly, including: the driving gear and the main gear oil seal and the driving gear flange plate are arranged;

the driving gear flange plate is sleeved on the driving gear, and the main gear oil seal sleeve is arranged at the first end of the driving gear flange plate body.

According to yet another aspect of the present invention, there is provided an automobile including a final drive assembly as described above.

The utility model has the advantages that:

according to the technical scheme, the chamfer angle is arranged at the end part of the first end of the driving gear flange plate body, so that the operation is convenient when the main gear oil seal is assembled; the junction of the inclined plane that the chamfer formed and the lateral wall of this first end is formed with first fillet, and the inclined plane that the chamfer formed and the junction of the terminal surface of this first end are formed with the second fillet, through setting up this first fillet and second fillet, form the closed angle when avoiding seting up the chamfer, have reduced the risk that the main tooth oil blanket was by the fish tail.

Drawings

FIG. 1 is a partial schematic view of a prior art main tooth oil seal;

fig. 2 is a schematic view of a driving gear flange according to an embodiment of the present invention;

fig. 3 is a schematic view showing a partial enlarged view of a driving gear flange according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a main reducer assembly according to an embodiment of the present invention.

Description of reference numerals:

1. a driving gear flange plate body; 11. chamfering; 12. a bevel; 13. an outer sidewall; 14. a first rounded corner; 15. an end face; 16. a second rounded corner; 21. a driving gear; 22. a main gear oil seal; 221. a primary dust lip; 222. a compression spring; 223. a sealing lip; 224. an auxiliary dust lip; 23. a driving gear flange.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

As shown in fig. 2 and 3, an embodiment of the present invention provides a driving gear flange, which includes:

a driving gear flange plate body 1;

the first end of driving gear ring flange body 1 is the column, with the bearing laminating, wherein the tip of first end is provided with chamfer 11, and the inclined plane 12 that chamfer 11 formed is formed with first fillet 14 with the junction of the lateral wall 13 of first end, and the inclined plane 12 that chamfer 11 formed is formed with second fillet 16 with the junction of the terminal surface 15 of first end.

It should be noted that the first end of the driving gear flange body 1 is cylindrical and the main gear oil seal is annular, and preferably, the chamfer 11 is annular and is disposed at the junction of the outer side wall 13 and the end face 15 of the first end.

In the embodiment of the utility model, the end part of the first end of the driving gear flange plate body 1 is provided with the chamfer 11, so that the operation is convenient when the main gear oil seal is assembled; the junction of the inclined plane 12 that chamfer 11 formed and the lateral wall 13 of this first end is formed with first fillet 14, and the junction of the inclined plane 12 that chamfer 11 formed and the terminal surface 15 of this first end is formed with second fillet 16, through setting up this first fillet 14 and second fillet 16, forms the closed angle when avoiding seting up chamfer 11, has reduced the risk that the main teeth oil blanket was by the fish tail.

On the basis of the embodiment of the utility model, in the embodiment of the utility model, the length a of chamfer 11 is in first predetermined length within range.

It should be noted that the chamfer 11 is used to facilitate the installation of the main gear oil seal, and the length of the chamfer 11 may be determined according to the specific model of different vehicle models, for example, may be 4mm, but is not limited thereto; and the angle b of the chamfer 11 is within a preset angle range, which may be 15 ° to 25 °, but is not limited thereto, and the angle b of the chamfer 11 may also be determined according to specific models of different vehicle models. Through the length a and the angle b of reasonable setting chamfer 11, can further make things convenient for the installation of main tooth oil blanket to avoid the seal lip of main tooth oil blanket to turn up and lead to the emergence that compression spring drops.

On the basis of the embodiment of the utility model, in the embodiment of the utility model, the radius of first fillet 14 is in the second preset length within range.

It should be noted that the radii of the first rounded corner 14 and the second rounded corner 16 may be the same or different, and the second predetermined length may range from 0.4mm to 0.6mm, and preferably, the diameter of the first rounded corner 14 is 0.5 mm; the radius of the second rounded corner 16 is within a third predetermined length range, which may be 0.4mm to 0.6mm, and preferably, the diameter of the second rounded corner 16 is 0.5 mm.

As shown in fig. 4, according to another aspect of the present invention, a main reducer assembly is provided, which includes a driving gear 21 and a main gear oil seal 22, and further includes a driving gear flange 23 provided in the embodiments of the present invention;

wherein the driving gear flange 23 is sleeved on the driving gear 21, and the main gear oil seal 22 is sleeved on the first end of the driving gear flange body.

It should be noted that the driving gear 21 and the main gear oil seal 22 may adopt the existing design, and the driving gear flange 23 provided by the above embodiments of the present invention is matched with the driving gear 21 and the main gear oil seal 22 to form the main reducer assembly.

In the embodiment of the utility model, the end part of the first end of the driving gear flange plate body is provided with the chamfer, so that the operation is convenient when the main gear oil seal is assembled; the junction of the inclined plane that the chamfer formed and the lateral wall of this first end is formed with first fillet, and the inclined plane that the chamfer formed and the junction of the terminal surface of this first end are formed with the second fillet, through setting up this first fillet and second fillet, form the closed angle when avoiding seting up the chamfer, have reduced the risk that the main tooth oil blanket was by the fish tail.

According to the utility model discloses a still another aspect provides an automobile, including the final drive assembly that each utility model embodiment provided above provided.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.

Claims

1. A drive gear flange plate, comprising:

a driving gear flange plate body (1);

the first end of driving gear ring flange body (1) is the column, with the bearing laminating, wherein the tip of first end is provided with chamfer (11), inclined plane (12) that chamfer (11) formed with the junction of lateral wall (13) of first end is formed with first fillet (14), inclined plane (12) that chamfer (11) formed with the junction of terminal surface (15) of first end is formed with second fillet (16).

2. The drive gear flange according to claim 1, wherein the chamfer (11) is annular and is disposed at a junction between the outer side wall (13) and the end face (15) of the first end.

3. The driving gear flange according to claim 1, wherein the length a of the chamfer (11) is within a first predetermined length range.

4. The driving gear flange according to claim 1, wherein the angle b of the chamfer (11) is within a predetermined angular range.

5. The drive gear flange according to claim 1, wherein the radius of the first fillet (14) is within a second predetermined length range.

6. The drive gear flange according to claim 1, wherein the radius of the second fillet (16) is within a third predetermined length range.

7. A final drive assembly comprising a drive gear (21) and a primary tooth oil seal (22), characterised by further comprising a drive gear flange (23) according to any one of claims 1 to 6;

the driving gear flange plate (23) is sleeved on the driving gear (21), and the main gear oil seal (22) is sleeved at the first end of the driving gear flange plate body.

8. An automobile comprising the final drive assembly of claim 7.