Rear axle assembly hub oil seal press fitting tool

Abstract

The utility model discloses a rear axle assembly hub oil seal press-fitting tool, which relates to the technical field of hub oil seals and comprises a pressing seat, an oil seal cylinder and an independently arranged stud. The stud is connected with the rear axle assembly mounting surface; the pressing seat mounting surface is used for mounting a hub oil seal and is matched with the rear axle assembly mounting surface in structure; an oil seal cylinder is vertically arranged on the top face of the pressing base so that the pressing base can move downwards along the stud and press the hub oil seal into the hub oil seal installation position of the rear axle assembly installation face. According to the position and structural characteristics of the hub oil seal of the rear axle assembly of the agricultural automobile, the hub oil seal press-fitting tool with high adaptability is arranged, the hub oil seal assembly efficiency and quality are improved, the oil leakage phenomenon of the oil seal is solved, and the hub oil seal press-fitting tool has high use value.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel hub oil seals, in particular to a rear axle assembly wheel hub oil seal press-fitting tool. Background Art

[0002] The wheel hub oil seal is one of the most commonly used accessories in automobile maintenance. It is also called an oil retaining ring and is widely used in rolling bearings or sliding bearings of automobiles. Its main function is to prevent lubricating oil or other oils from leaking. Oil seal leakage is prone to occur in mechanical manufacturing. The specific installation position of the wheel hub oil seal on the rear axle assembly of agricultural vehicles is shown in the attached figure. Figure 3 shown.

[0003] The installation of the wheel hub oil seal is mostly achieved by using an oil seal pressing tool. After the traditional oil seal pressing tool is used to install the wheel hub oil seal, oil leakage will occur in the wheel hub oil seal part, and it is more troublesome to align the position during the installation process. Therefore, a rear axle assembly wheel hub oil seal pressing tool is needed to improve the quality of the assembled wheel hub oil seal and improve the assembly efficiency. Utility Model Content

[0004] The purpose of the utility model is to solve the problems raised in the above background technology, and then proposes a rear axle assembly wheel hub oil seal pressing tool.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A rear axle assembly wheel hub oil seal press-fitting tool comprises a press seat, an oil seal cylinder and independently arranged stud bolts; the stud bolts are connected to the rear axle assembly mounting surface; the press seat mounting surface is used to install the wheel hub oil seal and matches the rear axle assembly mounting surface structure; an oil seal cylinder is vertically arranged on the top surface of the press seat, so that the press seat moves downward along the stud bolts and presses the wheel hub oil seal into the wheel hub oil seal mounting position of the rear axle assembly mounting surface.

[0007] Furthermore, there are four stud bolts, and the four stud bolts form a pair of guide cavities for limiting and guiding the pressure seat, so as to perform initial positioning during the docking process between the pressure seat and the rear axle assembly mounting surface.

[0008] Furthermore, the oil seal cylinder is welded to the top surface of the pressure seat to improve the stability of both.

[0009] Furthermore, the pressure seat, oil seal cylinder and stud bolts are all subjected to quenching and tempering treatment to improve their durability.

[0010] Furthermore, the pressure seat includes an upper pressure platform, a middle pressure platform, a bottom pressure platform, an oil seal mounting hole, a center hole and a guide hole; the upper pressure platform, the middle pressure platform and the bottom pressure platform are arranged in a stepped manner, and the edge of the upper pressure platform is provided with four semicircular structure guide holes for connecting with stud bolts, the bottom pressure platform is provided with an oil seal mounting hole, and the oil seal mounting hole is provided with a center hole connected to the oil seal cylinder.

[0011] Furthermore, the middle pressure platform, the bottom pressure platform and the oil seal mounting hole form a hub oil seal position for mounting the hub oil seal to determine the hub oil seal mounting position.

[0012] Furthermore, the upper pressing platform, the middle pressing platform and the bottom pressing platform are integrally formed.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model analyzes the process of assembling the wheel hub oil seal of the rear axle assembly of an agricultural vehicle according to the position and structural characteristics of the wheel hub oil seal of the rear axle assembly, and provides a wheel hub oil seal pressing tool with a high degree of matching. Through the matching arrangement of a pressing seat, an oil seal cylinder and independently arranged stud bolts, the assembly efficiency and quality of the wheel hub oil seal are improved, the oil leakage problem of the oil seal is solved, the requirements of the market are met, the progress of the industry is promoted, and the competitiveness of the same industry is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a bottom view of the utility model;

[0017] Figure 3 It is a schematic diagram of the structure of the wheel hub oil seal of the rear axle assembly;

[0018] Figure 4 It is a schematic diagram of the working state of the utility model;

[0019] Among them: 1. pressure seat; 11. upper pressure platform; 12. middle pressure platform; 13. bottom pressure platform; 14. oil seal installation hole; 15. center hole; 16. guide hole; 2. oil seal cylinder; 3. stud bolt. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. The utility model is further described in combination with the drawings and embodiments:

[0021] See attached Figure 1 -Attached Figure 4 As shown, a rear axle assembly wheel hub oil seal press tool includes a press seat 1, an oil seal cylinder 2 and independently arranged stud bolts 3; the press seat 1, the oil seal cylinder 2 and the stud bolts 3 are all subjected to quenching and tempering treatment to improve their durability;

[0022] There are four stud bolts 3 connected to the rear axle assembly mounting surface to form a guide cavity. The four stud bolts 3 serve as a guide and limit structure for the press seat 1 to achieve initial positioning during the docking process between the press seat 1 and the rear axle assembly mounting surface.

[0023] The mounting surface of the pressure seat 1 is used to install the wheel hub oil seal and matches the mounting surface structure of the rear axle assembly. An oil seal cylinder 2 is vertically welded to the top surface of the pressure seat 1 so that the pressure seat 1 moves downward along the guide cavity and presses the wheel hub oil seal into the wheel hub oil seal mounting position of the mounting surface of the rear axle assembly.

[0024] Specifically, in the above solution, the structure of the pressure seat 1 is as follows:

[0025] See attached Figure 2 As shown, the pressing seat 1 includes an upper pressing platform 11, a middle pressing platform 12, a bottom pressing platform 13, an oil seal mounting hole 14, a center hole 15 and a guide hole 16; the upper pressing platform 11, the middle pressing platform 12 and the bottom pressing platform 13 are integrally formed and arranged in a stepped manner, and the edge of the upper pressing platform 11 is provided with four semicircular guide holes 16 for connecting with the stud bolts 3, the bottom pressing platform 13 is provided with an oil seal mounting hole 14, and the oil seal mounting hole 14 is provided with a center hole 15 connected to the oil seal cylinder 2;

[0026] Among them, the middle pressure platform 12, the bottom pressure platform 13 and the oil seal installation hole 14 form a hub oil seal position for installing the hub oil seal to determine the hub oil seal installation position. When the bottom pressure platform 13 and the oil seal installation hole 14 are connected to the hub oil seal, the middle pressure platform 12 guides the hub oil seal to ensure that the hub oil seal is installed in the correct position;

[0027] Among them, the connection between the intermediate pressure platform 12 and the mounting surface of the rear axle assembly can play a guiding role, ensuring that the wheel hub oil seal and the rear axle assembly are installed correctly and in place.

[0028] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A rear axle assembly wheel hub oil seal press tool, characterized in that: It comprises a pressure seat (1), an oil seal cylinder (2) and independently arranged stud bolts (3); The stud bolt (3) is connected to the mounting surface of the rear axle assembly; The mounting surface of the pressure seat (1) is used for mounting the wheel hub oil seal and matches the mounting surface structure of the rear axle assembly; An oil seal cylinder (2) is vertically arranged on the top surface of the pressure seat (1) so that the pressure seat (1) moves downward along the stud bolt (3) and presses the wheel hub oil seal into the wheel hub oil seal installation position of the rear axle assembly installation surface.

2. The rear axle assembly hub oil seal press tool according to claim 1, characterized in that: There are four stud bolts (3), and the four stud bolts (3) form a guide cavity for a pair of pressure seats (1) to perform position limiting guidance.

3. The rear axle assembly hub oil seal press tool according to claim 1, characterized in that: The oil seal cylinder (2) is connected to the top surface of the pressure seat (1) by welding.

4. The rear axle assembly hub oil seal press tool according to claim 1, characterized in that: The pressure seat (1), the oil seal cylinder (2) and the stud bolt (3) are all subjected to quenching and tempering treatment.

5. A rear axle assembly hub oil seal press tool according to claim 1 or 2, characterized in that: The pressure seat (1) comprises an upper pressure platform (11), a middle pressure platform (12), a lower pressure platform (13), an oil seal mounting hole (14), a center hole (15) and a guide hole (16); The upper pressing platform (11), the middle pressing platform (12) and the bottom pressing platform (13) are arranged in a stepped manner, and a guide hole (16) having a semicircular structure and used for connecting with the stud bolt (3) is arranged on the edge of the upper pressing platform (11), and an oil seal mounting hole (14) is arranged on the bottom pressing platform (13), and a center hole (15) connected with the oil seal cylinder (2) is arranged in the oil seal mounting hole (14).

6. The rear axle assembly hub oil seal press tool according to claim 5, characterized in that: The middle pressure platform (12), the bottom pressure platform (13) and the oil seal mounting hole (14) form a wheel hub oil seal position for mounting a wheel hub oil seal.

7. The rear axle assembly hub oil seal press tool according to claim 5, characterized in that: The upper pressing platform (11), the middle pressing platform (12) and the bottom pressing platform (13) are integrally formed.

Images