CN217455528U

CN217455528U - Automobile rear axle structure with strong pressure resistance

Info

Publication number: CN217455528U
Application number: CN202221800821.XU
Authority: CN
Inventors: 刘鹏飞
Original assignee: Hefei Chuangzhi Automobile Technology Development Co ltd
Current assignee: Hefei Chuangzhi Automobile Technology Development Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-09-20
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses an automobile rear axle structure with strong compressive resistance, which comprises an upper axle housing and a lower axle housing, wherein a rear axle is welded between the upper axle housing and the lower axle housing, a containing cavity is formed in the middle of the upper axle housing and the lower axle housing, and annular connecting frames are welded on two sides of the middle of the upper axle housing and the lower axle housing; the outer surface of one of the annular connecting frames is welded with a front cover, two sides of the front cover are connected with U-shaped reinforcing seats through connecting pieces, and the U-shaped reinforcing seats are welded on the surfaces of the upper axle housing and the lower axle housing; relates to the technical field of automobile rear axles. The utility model discloses a seat welding is strengthened to the U-shaped on the surface of last axle housing and lower axle housing, can guarantee the intensity of hookup location between axle housing and the lower axle housing, and axle housing and lower axle housing middle part position connection's intensity can be guaranteed to the front shroud welding simultaneously at the surface of annular connection frame.

Description

Automobile rear axle structure with strong pressure resistance

Technical Field

The utility model belongs to the technical field of the car rear axle, especially, relate to a car rear axle structure that compressive resistance is strong.

Background

The automobile rear axle is the rear axle of the automobile. In the case of a front-axle driven vehicle, the rear axle is only a trailing axle and only plays a role of load bearing. A transfer case is also typically provided in front of the rear axle. The rear axle also includes a drive shaft, a transmission gear, etc. The rear part of the multi-axle truck is also provided with a driving rear axle and a non-driving rear axle, the non-driving rear axle is not connected with a transmission shaft, does not belong to the driving wheel, and generally has a heavy truck and a traction vehicle head with more than 3 axles.

Present automobile rear axle has certain defect, and the rigidity of rear axle is not enough, and compressive capacity is relatively poor to lead to the automobile to appear warping easily in the both sides of the in-process rear axle that traveles, the both sides of time rear axle are not on same straight line, the cracked phenomenon takes place even, and factor of safety is lower, for this reason the utility model provides a strong automobile rear axle structure of compressive resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car rear axle structure that compressive resistance is strong has solved the problem in the above-mentioned technical background.

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

the utility model relates to a car rear axle structure that compressive resistance is strong, including upper axle housing and lower axle housing, weld between upper axle housing and the lower axle housing and form the rear axle, the middle part of upper axle housing and lower axle housing forms and holds the chamber, the annular connection frame has all been welded to the both sides at upper axle housing and lower axle housing middle part;

the outer surface of one of the annular connecting frames is welded with a front cover, two sides of the front cover are connected with U-shaped reinforcing seats through connecting pieces, and the U-shaped reinforcing seats are welded on the surfaces of the upper axle housing and the lower axle housing;

the outer skin welding of another annular connecting frame has the back lid, the both sides of back lid all are connected with the triangle reinforcement through the connecting piece, the triangle reinforcement welds the surface at upper axle housing and lower axle housing.

Further, a plurality of spacing jacks have evenly been seted up to the both sides of the front side surface of going up axle housing and lower axle housing, the inboard fixedly connected with of seat and the enhancement bolt of spacing jack looks adaptation are strengthened to the U-shaped.

Further, thrust rod supports are mounted on two sides of the rear side surfaces of the upper axle housing and the lower axle housing.

Further, annular grooves are formed in the front side and the rear side of the middle of the upper axle housing and the middle of the lower axle housing, and reinforcing rings are welded inside the annular grooves.

Further, the interior of the upper axle housing and the interior of the lower axle housing are respectively composed of a stainless steel layer, an aluminum alloy layer and a low-carbon steel layer.

The utility model discloses following beneficial effect has:

the utility model discloses a seat welding is strengthened to the U-shaped on the surface of last axle housing and lower axle housing, can guarantee the intensity of hookup location between axle housing and the lower axle housing, the front shroud welding is at the surface of annular connection frame simultaneously, can guarantee the intensity of axle housing and lower axle housing middle part position connection, and strengthen the seat through the connecting piece with the U-shaped and link into an integrated entity with the front shroud, can make the U-shaped strengthen the seat and can integrative synchronous installation with the front shroud, and can guarantee that axle housing and lower axle housing are in on the same straight line always, avoid the car to take place to warp in the both sides of the in-process upper axle housing and lower axle housing that travel.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an automobile rear axle structure with high pressure resistance.

Fig. 2 is a schematic view of a first explosion structure of a rear axle structure of a vehicle with high pressure resistance.

Fig. 3 is a schematic diagram of a second explosion structure of a rear axle structure of a vehicle with high pressure resistance.

Fig. 4 is a schematic structural diagram of the interior of an upper axle housing in a rear axle structure of an automobile with high pressure resistance.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an upper axle housing; 2. a lower axle housing; 3. an annular connecting frame; 4. a front cover; 5. a U-shaped reinforcement seat; 6. a rear cover; 7. limiting the jacks; 8. a triangular reinforcement; 9. reinforcing the bolt; 10. a thrust rod support; 11. an annular groove; 12. a reinforcement ring; 13. a stainless steel layer; 14. an aluminum alloy layer; 15. low carbon steel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the utility model relates to an automobile rear axle structure with strong compressive resistance, which comprises an upper axle housing 1 and a lower axle housing 2, wherein a rear axle is welded between the upper axle housing 1 and the lower axle housing 2, a containing cavity is formed in the middle of the upper axle housing 1 and the lower axle housing 2, and annular connecting frames 3 are welded on two sides of the middle of the upper axle housing 1 and the lower axle housing 2;

the outer surface of one of the annular connecting frames 3 is welded with a front cover 4, two sides of the front cover 4 are connected with U-shaped reinforcing seats 5 through connecting pieces, and the U-shaped reinforcing seats 5 are welded on the surfaces of the upper axle housing 1 and the lower axle housing 2;

seat 5 welding is strengthened on the surface of upper axle housing 1 and lower axle housing 2 in the U-shaped, can guarantee the intensity of hookup location between upper axle housing 1 and the

lower axle housing

2, 4 welding of protecgulum are at the surface of annular connection frame 3 simultaneously, can guarantee the intensity of

axle housing

1 and 2 middle part position connections of lower axle housing, and strengthen seat 5 and protecgulum 4 through the connecting piece with the U-shaped and link into an integrated entity, can make the U-shaped strengthen seat 5 and protecgulum 4 and can integrative synchronous installation, and can guarantee that upper axle housing 1 and lower axle housing 2 are in on the same straight line always, avoid the automobile in the in-process upper axle housing 1 and lower axle housing 2 both sides to take place to warp.

The outer surface welding of another annular linking frame 3 has back lid 6, and the both sides of back lid 6 all are connected with triangle reinforcement 8 through the connecting piece, and triangle reinforcement 8 welds the surface at upper axle housing 1 and lower axle housing 2.

Triangle reinforcement 8 links together through connecting piece and back lid 6, and first can make triangle reinforcement 8 and back lid 6 can integrative synchronous installation, improves the installation convenience, further improves the intensity of upper axle housing 1 and lower axle housing 2 simultaneously, improves holistic tensile strength to the shape of triangle reinforcement 8 itself has stability.

In another preferred embodiment, referring to fig. 2 and 3, a plurality of limiting insertion holes 7 are uniformly formed in two sides of the front side surfaces of the upper axle housing 1 and the lower axle housing 2, and reinforcing bolts 9 matched with the limiting insertion holes 7 are fixedly connected to the inner sides of the U-shaped reinforcing seats 5.

When seat 5 is strengthened in the installation U-shaped, strengthen in bolt 9 inserts corresponding spacing jack 7 respectively, further improve the joint strength between upper axle housing 1 and the lower axle housing 2, it is that the car rear axle is more firm, difficult emergence fracture.

In another preferred embodiment, referring to fig. 2, thrust rod brackets 10 are mounted on both sides of the rear side surfaces of the upper and

lower casings

1, 2.

The provision of the thrust rod bracket 10 facilitates attachment of the thrust rod.

In another preferred embodiment, referring to fig. 2, the front and rear sides of the middle portions of the upper axle housing 1 and the lower axle housing 2 are both provided with annular grooves 11, and reinforcing rings 12 are welded inside the annular grooves 11.

During the installation, with the reinforcing ring 12 welding in the inside of annular groove 11, avoid taking place the dislocation between upper axle housing 1 and the lower axle housing 2, improve the stability of rear axle.

In another preferred embodiment, referring to FIG. 4, the interior of the upper and

lower axle housings

1 and 2 are each composed of a stainless steel layer 13, an aluminum alloy layer 14 and a low carbon steel layer 15.

The stainless steel layer 13, the aluminum alloy layer 14 and the low-carbon steel 15 can improve the hardness of the whole rear axle and are not easy to break.

In the description herein, references to the description of the terms "one embodiment," "an example," "a specific example" or the like 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a car rear axle structure that compressive resistance is strong, includes upper axle housing (1) and lower axle housing (2), its characterized in that: the rear axle is formed by welding the upper axle housing (1) and the lower axle housing (2), an accommodating cavity is formed in the middle of the upper axle housing (1) and the lower axle housing (2), and annular connecting frames (3) are welded on two sides of the middle of the upper axle housing (1) and the lower axle housing (2);

the outer surface of one of the annular connecting frames (3) is welded with a front cover (4), two sides of the front cover (4) are connected with U-shaped reinforcing seats (5) through connecting pieces, and the U-shaped reinforcing seats (5) are welded on the surfaces of the upper axle housing (1) and the lower axle housing (2);

the outer skin welding of another annular connecting frame (3) has back lid (6), the both sides of back lid (6) all are connected with triangle reinforcement (8) through the connecting piece, triangle reinforcement (8) weld on the surface of upper axle housing (1) and lower axle housing (2).

2. The automobile rear axle structure with high pressure resistance as claimed in claim 1, wherein a plurality of limiting jacks (7) are uniformly formed in two sides of the front side surfaces of the upper axle housing (1) and the lower axle housing (2), and reinforcing bolts (9) matched with the limiting jacks (7) are fixedly connected to the inner sides of the U-shaped reinforcing seats (5).

3. The automobile rear axle structure with high pressure resistance as claimed in claim 1, characterized in that thrust rod brackets (10) are mounted on both sides of the rear side surfaces of the upper axle housing (1) and the lower axle housing (2).

4. The automobile rear axle structure with strong pressure resistance as claimed in claim 1, wherein annular grooves (11) are formed in the front side and the rear side of the middle portions of the upper axle housing (1) and the lower axle housing (2), and reinforcing rings (12) are welded in the annular grooves (11).

5. A strong compression resistant automotive rear axle construction as claimed in claim 1 wherein the interior of said upper (1) and lower (2) axle housings are each comprised of a stainless steel layer (13), an aluminum alloy layer (14) and a low carbon steel (15) layer.