CN217347361U

CN217347361U - Automobile driving axle housing

Info

Publication number: CN217347361U
Application number: CN202221295270.6U
Authority: CN
Inventors: 宋明; 林存刚; 罗杰; 陶水江; 徐松
Original assignee: Qingling Motors Group Co Ltd; Chongqing Qingling Aluminium Casting Co Ltd
Current assignee: Qingling Motors Group Co Ltd; Chongqing Qingling Aluminium Casting Co Ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-09-02
Anticipated expiration: 2032-05-25

Abstract

The utility model provides an automobile drive axle housing belongs to the automobile parts field, including casing portion and tube body portion, casing portion is hollow casing, casing portion has hemispherical outer peripheral face and perpendicular to the installation face of outer peripheral face axis of revolution, tube body portion's one end integrated into one piece is in on the casing portion, and with casing portion's inside intercommunication, follow on the tube body portion's length direction is provided with first strengthening rib, first strengthening rib place plane is followed the installation face sets up first strengthening rib with casing portion's outer peripheral face links to each other, first strengthening rib with hookup location smooth transition between the casing portion. The utility model discloses can increase the intensity between somatic part and the somatic part in the direction that is on a parallel with the installation face, reduce the fracture risk of somatic part and somatic part hookup location.

Description

Automobile driving axle housing

Technical Field

The utility model belongs to the automobile parts field especially relates to an automobile drive axle housing.

Background

The function of the drive axle housing is to support and protect the final drive, differential and half shafts, etc. disposed therein. Meanwhile, the driving axle housing and the front axle bear the mass of the automobile together, so that the axial relative positions of the left driving wheel and the right driving wheel are fixed. When the automobile runs, the automobile bears the reaction force and bending moment transmitted by the driving wheel in all directions and the moment during braking, and transmits the reaction force and bending moment to the frame through the suspension. Among the prior art, some transaxle housings adopt split type structure, and casing portion and body portion assemble together after processing respectively, become transaxle housings, and some transaxle housings adopt the integral type structure, and casing portion and body portion integrated into one piece are processed into shape. However, the current integrated axle housing is limited by the strength of the material, and the joint of the housing part and the pipe body part has lower strength and is easy to crack, so that the quality and the service life of the product are influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims to provide an automobile drive axle housing for in solving prior art integral type axle housing, casing portion and the lower scheduling problem of pipe body portion junction intensity.

For realizing above-mentioned purpose and other relevant purposes, the utility model provides an automobile drive axle housing, including casing portion and barrel portion, casing portion is hollow casing, casing portion has hemispherical outer peripheral face and perpendicular to the installation face of outer peripheral face axis of revolution, the one end integrated into one piece of barrel portion is in on the casing portion, and with the inside intercommunication of casing portion, follow on the barrel portion the length direction of barrel portion is provided with first strengthening rib, first strengthening rib place plane is followed the installation face sets up, first strengthening rib with the outer peripheral face of casing portion links to each other, first strengthening rib with hookup location smooth transition between the casing portion.

Optionally, the first reinforcing rib has a top surface and side surfaces located on two sides of the top surface, a second reinforcing rib is further disposed on the first reinforcing rib corresponding to the top surface of the first reinforcing rib, and a plane where the second reinforcing rib is located intersects with a plane where the first reinforcing rib is located.

Optionally, the second reinforcing ribs protrude from two side surfaces of the first reinforcing rib respectively.

Optionally, a third reinforcing rib is arranged on a side surface of the first reinforcing rib, and an extending direction of the third reinforcing rib intersects with a length direction of the pipe body portion.

Optionally, the number of the third reinforcing ribs is two or more, and each of the third reinforcing ribs is sequentially arranged along the length direction of the pipe body portion.

Optionally, a fourth reinforcing rib is further arranged between the pipe body portion and the casing portion along the length direction of the pipe body portion, and a plane where the fourth reinforcing rib is located intersects with a plane where the first reinforcing rib is located.

Optionally, one end of the tube body portion is a connecting end, the tube body portion is connected to the shell portion through the connecting end, the other end of the tube body portion is a mounting end, and a connecting structure is arranged on the mounting end.

Optionally, the connecting structure is a flange.

Optionally, a plurality of connecting holes are formed in the mounting surface and uniformly arranged around the rotation center of the shell portion.

Optionally, a fifth reinforcing rib is further arranged between the pipe body portion and the casing portion, back to the mounting surface, and a plane where the fifth reinforcing rib is located intersects with a plane where the first reinforcing rib is located.

Optionally, the pipe body portion and the shell portion are integrally cast from aluminum alloy.

As above, the utility model discloses an automobile driving axle housing has following beneficial effect: because the length direction along the somatic part is provided with first strengthening rib on the somatic part, casing portion and somatic part are connected respectively to first strengthening rib, just first strengthening rib place plane is followed the extension direction setting of installation face, first strengthening rib has increased the intensity between somatic part and the somatic part on the direction that is on a parallel with the installation face, reduces the fracture risk of somatic part and somatic part hookup location.

Drawings

Fig. 1 is one of the schematic perspective views of the driving axle housing of the embodiment of the present invention.

Fig. 2 is the embodiment of the present invention, which is a second schematic perspective view of an automotive driving axle housing.

Fig. 3 is the embodiment of the utility model provides an in the embodiment of the three-dimensional schematic diagram of automobile drive axle housing.

Fig. 4 is a fourth schematic perspective view of the automotive axle housing in the embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of a first reinforcing rib according to an embodiment of the present invention.

Description of reference numerals: the shell comprises a pipe body part 1, a shell part 2, a first reinforcing rib 3, a second reinforcing rib 4, a third reinforcing rib 5, a fourth reinforcing rib 6, a mounting surface 7, a connecting structure 8, a mounting hole group 9 and a fifth reinforcing rib 10.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. In addition, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are used for clarity of description only, and are not used to limit the scope of the present invention, and the relative relationship between the terms may be changed or adjusted without substantial technical changes.

Referring to fig. 1 to 5, the present embodiment provides an automotive axle housing, which includes a housing portion 2 and a tube portion 1, where the housing portion 2 is a hollow housing for accommodating a main speed reducer of an automobile. The housing portion 2 has a hemispherical outer peripheral surface and a mounting surface 7, and the mounting surface 7 is perpendicular to the axis of rotation of the outer peripheral surface of the housing portion 2. The mounting surface 7 is used for connecting a transmission shaft of an automobile and is matched and connected with a shell of the transmission shaft. One end of the tube 1 is integrally formed with the housing 2 and communicates with the inside of the housing 2.

The pipe body part 1 is provided with a first reinforcing rib 3 along the length direction of the pipe body part 1, the plane where the first reinforcing rib 3 is located is arranged along the mounting surface 7, the first reinforcing rib 3 is connected with the outer peripheral surface of the shell part 2, and the connecting position between the first reinforcing rib 3 and the shell part 2 is smooth and transitional. The first reinforcing ribs 3 can increase the strength between the pipe body portion 1 and the pipe body portion 1 in a direction parallel to the mounting surface 7, and reduce the risk of cracking at the connecting position of the pipe body portion 1 and the pipe body portion 1. In this embodiment, the housing 2 is further provided with a mounting hole group 9 with respect to the pipe body 1, and the mounting hole group 9 is used for connecting a half-shaft bushing.

In this embodiment, the first reinforcing rib 3 has a top surface and side surfaces located at both sides of the top surface, wherein the top surface of the first reinforcing rib 3 is an edge of the first reinforcing rib 3. The first reinforcing rib 3 is also provided with a second reinforcing rib 4 corresponding to the top surface of the first reinforcing rib 3, and the plane where the second reinforcing rib 4 is located is intersected with the plane where the first reinforcing rib 3 is located. In this embodiment, the plane of the second rib 4 is perpendicular to the plane of the first rib 3. The second strengthening rib 4 can increase the intensity between body portion 1 and the body portion 1 in the extension direction of second strengthening rib 4, also can increase first strengthening rib 3 edge simultaneously, the intensity of first strengthening rib 3 top surface promptly reduces the risk of the top surface fracture of first strengthening rib 3. In this embodiment, the second reinforcing ribs 4 protrude from two side surfaces of the first reinforcing ribs 3, so that the upper and lower sides of the edge of the first reinforcing ribs 3 can be reinforced.

In this embodiment, the third beads 5 are provided on the side surfaces of the first beads 3, and the extending direction of the third beads 5 intersects with the longitudinal direction of the pipe body 1. The third strengthening rib 5 can increase the intensity of first strengthening rib 3 itself, reduces the risk of splitting and warping behind the first strengthening rib 3 atress too big.

The number of the third beads 5 may be two or more, so that the first beads 3 are sufficiently reinforced in the longitudinal direction. When the number of the third beads 5 is plural, the third beads 5 are arranged in order along the longitudinal direction of the pipe body 1. In this embodiment, the number of the third reinforcing ribs 5 is 3.

In this embodiment, a fourth rib 6 is further provided between the tube body 1 and the housing 2, the fourth rib 6 is provided along the longitudinal direction of the tube body 1, and the plane on which the fourth rib 6 is provided intersects the plane on which the first rib 3 is provided. The fourth reinforcing rib 6 can reinforce the connecting position between the body portion 1 and the case portion 2 in the direction intersecting the plane in which the first reinforcing rib 3 is located.

A fifth strengthening rib 10 is further arranged between the tube body part 1 and the shell body part 2 back to the mounting surface 7, and the plane where the fifth strengthening rib 10 is located is intersected with the plane where the first strengthening rib 3 is located. The fifth reinforcing ribs 10 can increase the connection strength between the housing portion 2 and the tube body portion 1 at the position opposite to the first reinforcing ribs 3, and further reduce the risk of cracking at the connection position between the housing portion 2 and the tube body portion 1.

One end of the pipe body part 1 is a connecting end, the pipe body part 1 is connected to the casing part 2 through the connecting end, the other end of the pipe body part 1 is a mounting end, and a connecting structure 8 is arranged on the mounting end. Specifically, in this embodiment, the connecting structure 8 is a flange. In this embodiment, the mounting surface 7 is provided with a plurality of connection holes, and the plurality of connection holes are uniformly arranged around the rotation center of the housing portion 2. In this embodiment, the connection hole is a threaded hole, and the housing of the transmission shaft may be connected to the housing portion 2 by a bolt.

In this embodiment, body portion 1 and casing portion 2 all adopt the integrative casting of aluminum alloy to form, and under the same strength, aluminum alloy's transaxle shell quality is lighter, is favorable to the lightweight of car, and simultaneously, the production efficiency of integrative casting forming technology is higher, also environmental protection more.

In summary, the automobile drive axle housing in this embodiment, because be provided with first strengthening rib 3 along the length direction of body portion 1 on body portion 1, casing portion 2 and body portion 1 are connected respectively to first strengthening rib 3, just first strengthening rib 3 place plane is followed the extension direction setting of installation face 7, first strengthening rib 3 is on a direction that is on a parallel with installation face 7, has increased the intensity between body portion 1 and body portion 1, reduces the fracture risk of body portion 1 and body portion 1 hookup location.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. It will be apparent to those skilled in the art that modifications and variations can be made to the above-described embodiments without departing from the spirit or scope of the invention and it is intended that all such equivalent modifications and variations be considered within the scope of the appended claims without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an automobile driving axle housing which characterized in that: including casing portion and barrel portion, casing portion is hollow casing, casing portion has hemispherical outer peripheral face and perpendicular to the installation face of outer peripheral face axis of revolution, one end integrated into one piece of barrel portion is in on the casing portion, and with the inside intercommunication of casing portion, follow on the barrel portion the length direction of barrel portion is provided with first strengthening rib, first strengthening rib place plane is followed the installation face sets up, first strengthening rib with the outer peripheral face of casing portion links to each other, first strengthening rib with hookup location smooth transition between the casing portion.

2. An automotive transaxle case according to claim 1, wherein: the first reinforcing rib is provided with a top surface and side surfaces positioned on two sides of the top surface, a second reinforcing rib is further arranged on the first reinforcing rib corresponding to the top surface of the first reinforcing rib, and the plane where the second reinforcing rib is located is intersected with the plane where the first reinforcing rib is located.

3. An automotive transaxle case according to claim 2, wherein: the second reinforcing ribs respectively protrude out of two side faces of the first reinforcing ribs.

4. An automotive transaxle case according to claim 2, wherein: and a third reinforcing rib is arranged on the side surface of the first reinforcing rib, and the extending direction of the third reinforcing rib is intersected with the length direction of the pipe body part.

5. An automotive transaxle case according to claim 4, wherein: the third reinforcing ribs are two or more, and are arranged along the length direction of the pipe body part in sequence.

6. An automotive transaxle case according to claim 1, wherein: the pipe body part with still follow between the casing part the length direction of pipe body part is provided with the fourth strengthening rib, fourth strengthening rib place plane with first strengthening rib place plane is crossing.

7. An automotive transaxle case according to claim 1, wherein: one end of the pipe body part is a connecting end, the pipe body part is connected to the casing part through the connecting end, the other end of the pipe body part is a mounting end, and a connecting structure is arranged on the mounting end.

8. An automotive transaxle case according to claim 7, wherein: the connecting structure is a flange plate.

9. An automotive transaxle case according to claim 1, wherein: the mounting surface is provided with a plurality of connecting holes which are uniformly arranged around the rotation center of the shell part.

10. The automotive transaxle case of claim 1, wherein: the pipe body part and the shell part back to the mounting surface are further provided with fifth reinforcing ribs, and planes where the fifth reinforcing ribs are located are intersected with planes where the first reinforcing ribs are located.