Differential case with high wear resistance

Abstract

The utility model relates to the technical field of automobile parts, and discloses a differential case with strong wear resistance, which comprises a differential case, an outer shell is arranged on the outer side of the differential case, bolts are arranged on the upper portions of the differential case and the outer shell, the differential case and the outer shell are fixedly connected through the bolts, and fixing seats are fixedly connected to two sides of the lower portion of the outer shell. The outer side of the differential case is protected through the outer shell and the protective shell, the problem that an existing differential case is prone to falling off due to long-time use is solved, the differential case is not prone to falling off due to long-time use, and the service life of the differential case is prolonged, so that the service life of the differential case is prolonged, and the service life of the differential case is prolonged. The problems that the abrasion degree of the shell is high, the service life of the shell is affected, the overall service life of the differential mechanism is greatly shortened, and the stability and safety of the differential mechanism under various working conditions are reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a differential case with strong wear resistance. Background Art

[0002] An automobile differential is a mechanism that enables the left and right drive wheels to rotate at different speeds. It mainly consists of left and right half-axle gears, two planetary gears and a gear carrier. Its function is to make the left and right wheels roll at different speeds when the automobile turns or drives on an uneven road surface, that is, to ensure that the two drive wheels make pure rolling motion.

[0003] Due to long-term use, the existing differential case has a high wear degree of the case body, which affects its service life, greatly reduces the overall service life of the differential, and reduces the stability and safety of the differential under various working conditions. Summary of the Utility Model

[0004] The utility model provides a differential case with strong wear resistance to solve the above problems, avoiding the problems that the existing differential case has a high wear degree of the case body due to long-term use, affecting its service life, greatly reducing the overall service life of the differential, and reducing the stability and safety of the differential under various working conditions.

[0005] To solve the above technical problems, the technical solution provided by the utility model is: a differential case with strong wear resistance, including a differential case, an outer shell is arranged outside the differential case, bolts are arranged between the upper parts of the differential case and the outer shell, the differential case and the outer shell are fixedly connected by bolts, fixed seats are fixedly connected to both sides of the lower part of the outer shell, screws are arranged on both sides inside the fixed seats, a connecting structure is connected to the outside of the screws, and a protective shell is connected to one end of the connecting structure away from the screws.

[0006] As an improvement, the connecting structure includes a moving block penetrated by the screw, a connecting rod is fixedly connected to the lower side of the moving block, and a fixed block is connected to one end of the connecting rod away from the moving block.

[0007] As an improvement, a threaded hole is arranged in the middle of the moving block, and the screw is threadedly connected to the moving block.

[0008] As an improvement, chutes are arranged on both sides of the inside of the fixed seat close to the connecting rod.

[0009] As an improvement, a groove is arranged on one side of the fixed seat.

[0010] As an improvement, lithium-based grease layers are arranged on the inner sides of the outer shell and the protective shell.

[0011] The advantages of the present utility model compared with the prior art are as follows: The outer side of the differential case is protected by the outer shell and the protective shell, avoiding the problem that the existing differential case has a high wear degree of the shell due to long-term use, affecting its service life, greatly reducing the overall service life of the differential, and reducing the stability and safety of the differential under various working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model.

[0013] Figure 2 is a schematic diagram of a partial structure of the present utility model.

[0014] As shown in the figure: 1, differential case; 2, outer shell; 3, bolt; 4, fixed seat; 5, screw rod; 6, connection structure; 601, moving block; 602, connecting rod; 603, fixed block; 7, protective shell. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The present utility model will be further described in detail below with reference to the accompanying drawings.

[0016] When the present utility model is specifically implemented, in combination with Figures 1 to 2 A differential case with strong wear resistance, including a differential case 1, an outer shell 2 is arranged on the outer side of the differential case 1, bolts 3 are arranged on the upper parts of the differential case 1 and the outer shell 2, the differential case 1 and the outer shell 2 are fixedly connected by the bolts 3, both sides of the lower part of the outer shell 2 are fixedly connected with fixed seats 4, a groove is arranged on one side of the fixed seat 4, screw rods 5 are arranged on both sides inside the fixed seat 4, a connection structure 6 is connected to the outer side of the screw rod 5, the end of the connection structure 6 far from the screw rod 5 is connected with a protective shell 7, and lithium grease layers are arranged on the inner sides of the outer shell 2 and the protective shell 7;

[0017] During the implementation process of the present utility model, the outer shell 2 is fixed on the outer side of the differential case 1 by the bolts 3 for protection to prevent the differential case 1 from being worn, and the lower part of the differential case 1 is protected by the protective shell 7.

[0018] The connection structure 6 includes a moving block 601 penetrated by the screw rod 5, a threaded hole is arranged in the middle of the moving block 601, the screw rod 5 is threadedly connected with the moving block 601, a connecting rod 602 is fixedly connected to the lower side of the moving block 601, chutes are arranged on both sides inside the fixed seat 4 close to the connecting rod 602, and a fixed block 603 is connected to the end of the connecting rod 602 far from the moving block 601;

[0019] During the implementation process of the present utility model, by rotating the screw rod 5, the moving block 601 connected by threads moves, driving the fixed block 603 fixedly connected by the connecting rod 602 to move, so that the fixed block 603 drives the protective shell 7 to move towards the side close to the differential case 1 to clamp and fix the lower part of the differential case 1.

[0020] The above description is about the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the gist of the creation of the present utility model, design similar structural modes and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the present utility model.

Claims

1. A differential case with strong wear resistance, characterized in that: The invention comprises a differential case (1), wherein an outer shell (2) is arranged on the outer side of the differential case (1), bolts (3) are arranged on the upper parts of the differential case (1) and the outer shell (2), the differential case (1) and the outer shell (2) are fixedly connected by the bolts (3), both sides of the lower part of the outer shell (2) are fixedly connected with a fixing seat (4), both sides of the inner part of the fixing seat (4) are provided with screws (5), the outer side of the screw (5) is connected with a connecting structure (6), and the end of the connecting structure (6) away from the screw (5) is connected with a protective shell (7).

2. A differential case with strong wear resistance according to claim 1, characterized in that: The connection structure (6) comprises a moving block (601) through which the screw rod (5) passes, a connecting rod (602) being fixedly connected to the lower side of the moving block (601), and a fixed block (603) being connected to one end of the connecting rod (602) away from the moving block (601).

3. A differential case with strong wear resistance according to claim 2, characterized in that: A threaded hole is provided in the middle of the moving block (601), and the screw rod (5) is threadedly connected to the moving block (601).

4. A differential case with strong wear resistance according to claim 2, characterized in that: Sliding grooves are arranged inside the fixing seat (4) near both sides of the connecting rod (602).

5. A differential case with strong wear resistance according to claim 1, characterized in that: A groove is provided on one side of the fixing seat (4).

6. A differential case with strong wear resistance according to claim 1, characterized in that: The outer shell (2) and the protective shell (7) are both provided with a lithium-based lubricating grease layer on their inner sides.

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