High-precision wear-resistant front axle gear

Abstract

The utility model discloses a high-precision wear-resistant front axle gear, which belongs to the technical field of gears, and comprises an outer hub body, an annular connecting piece and an inner hub body, a first cylindrical positioning groove is horizontally arranged on the rear side of the outer hub body, the outer side of the annular connecting piece is in sliding connection with the inner wall of the first cylindrical positioning groove, and the inner wall of the first cylindrical positioning groove is provided with a second cylindrical positioning groove. The outer side of the inner hub body is in sliding connection with the inner wall of the annular connecting piece. And the positioning mechanism comprises first positioning strips fixedly connected to the upper end and the lower end of the annular connecting piece correspondingly, and second positioning strips are fixedly connected to the inner walls of the left side and the right side of the annular connecting piece correspondingly. According to the equipment, aiming at the use problem, the outer hub body, the annular connecting piece and the inner hub body are designed in a split manner, and the positioning mechanism and the limiting assembly are matched, so that the assembly can be conveniently and selectively maintained and replaced, the actual maintenance cost is reduced, and the maintenance workload is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gears, in particular to a high-precision wear-resistant front axle gear. Background Art

[0002] The front axle gear is an important component in the vehicle's transmission system. It has the characteristics of high precision and wear resistance. It is usually installed in the front axle differential or front axle drive shaft. It can transmit the power generated by the engine to the front wheels, thereby driving the vehicle forward or backward.

[0003] After long-term use, the outer and inner teeth of the existing front axle gears tend to be worn to a certain extent. In order to ensure the normal operation of the entire system, they need to be maintained and replaced. However, since the overall design of the front axle gear is usually integrated, the entire front axle gear needs to be replaced, and the actual maintenance cost is high. Therefore, in order to solve this problem, we need to consider designing a high-precision, wear-resistant front axle gear. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a high-precision wear-resistant front axle gear. In terms of usage problems, the outer hub body, annular connector and inner hub body are designed in a split manner, and the positioning mechanism and limit assembly are used to conveniently carry out selective maintenance and replacement of the components, thereby reducing the actual maintenance cost and the maintenance workload.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A high-precision, wear-resistant front axle gear comprises an outer hub body, an annular connector and an inner hub body, a first cylindrical positioning groove is horizontally opened on the rear side of the outer hub body, the outer side of the annular connector is slidingly connected to the inner wall of the first cylindrical positioning groove, and the outer side of the inner hub body is slidingly connected to the inner wall of the annular connector; a positioning mechanism, the positioning mechanism comprises a first positioning strip fixedly connected to the upper and lower ends of the annular connector respectively, and a second positioning strip is fixedly connected to the left and right inner walls of the annular connector, the upper and lower ends of the first cylindrical positioning groove are both provided with a first positioning groove, and the left and right sides of the inner hub body are both provided with a second positioning groove; a limiting assembly, the limiting assembly is used to connect the outer hub body, the annular connector and the inner hub body.

[0007] Preferably, the two first positioning strips are both slidably connected to the corresponding first positioning grooves, and the two second positioning strips are both slidably connected to the corresponding second positioning grooves.

[0008] Preferably, a cylindrical mounting groove is horizontally provided on the front side of the outer hub body, and an annular mounting piece is fixedly connected to the rear side of the inner hub body, and two mounting through grooves are provided on the annular mounting piece.

[0009] Preferably, the limiting assembly includes bolts respectively passing through two installation slots, and the screw parts of the two bolts pass through the corresponding first positioning strip and the front inner wall of the first cylindrical positioning slot.

[0010] Preferably, two nuts are provided on the rear inner wall of the cylindrical mounting groove, and both nuts are threadedly connected to the threaded ends of the corresponding bolts.

[0011] Preferably, a plurality of external teeth are provided on the outer side of the outer hub body, and a plurality of internal teeth are provided on the inner side of the inner hub body.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] Through the split design of the outer hub body, annular connector and inner hub body, the components can be selectively replaced according to the actual wear conditions, thereby effectively reducing the maintenance cost and ensuring the normal use of the entire device. A positioning mechanism and a limit assembly are provided. Through two first positioning bars, two second positioning bars, two first positioning grooves and two second positioning grooves, in combination with two bolts and two nuts, the outer hub body and the inner hub body can be maintained and replaced quickly and conveniently, effectively reducing the actual maintenance workload. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of a high-precision wear-resistant front axle gear proposed by the utility model;

[0015] Figure 2 for Figure 1 Rear view;

[0016] Figure 3 It is a structural diagram of the outer hub body;

[0017] Figure 4 for Figure 3 Rear view;

[0018] Figure 5 It is a structural schematic diagram of the annular connector;

[0019] Figure 6 It is a structural diagram of the inner hub body.

[0020] In the figure: 1 outer hub body, 2 annular connecting member, 3 inner hub body, 4 first cylindrical positioning groove, 5 first positioning strip, 6 second positioning strip, 7 first positioning groove, 8 second positioning groove, 9 cylindrical mounting groove, 10 annular mounting member, 11 bolt, 12 nut, 13 outer teeth, 14 inner teeth. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Reference Figures 1-6 A high-precision, wear-resistant front axle gear comprises an outer hub body 1, an annular connector 2 and an inner hub body 3. A first cylindrical positioning groove 4 is horizontally opened on the rear side of the outer hub body 1. The outer side of the annular connector 2 is slidably connected to the inner wall of the first cylindrical positioning groove 4. The outer side of the inner hub body 3 is slidably connected to the inner wall of the annular connector 2. A cylindrical mounting groove 9 is horizontally opened on the front side of the outer hub body 1. An annular mounting member 10 is fixedly connected to the rear side of the inner hub body 3. Two mounting through grooves are opened on the annular mounting member 10. A plurality of external teeth 13 are provided on the outer side of the outer hub body 1, and a plurality of internal teeth 14 are provided on the inner side of the inner hub body 3.

[0023] Among them, it also includes a positioning mechanism, which includes first positioning strips 5 fixedly connected to the upper and lower ends of the annular connector 2, and second positioning strips 6 fixedly connected to the left and right inner walls of the annular connector 2. First positioning slots 7 are provided at the upper and lower ends of the first cylindrical positioning groove 4. The two first positioning strips 5 are slidably connected to the corresponding first positioning slots 7. By inserting the two first positioning strips 5 into the corresponding first positioning slots 7, the outer hub body 1 and the annular connector 2 can be pre-positioned before being fixed. Second positioning slots 8 are provided on the left and right sides of the inner hub body 3. The two second positioning strips 6 are slidably connected to the corresponding second positioning slots 8. By inserting the two second positioning strips 6 into the corresponding second positioning slots 8, the annular connector 2 and the inner hub body 3 can be pre-positioned before being fixed.

[0024] It also includes a limiting component, which is used to connect the outer hub body 1, the annular connector 2 and the inner hub body 3. The limiting component includes bolts 11 respectively inserted into the two mounting grooves. The ends of the screw parts of the two bolts 11 are provided with external threads. The screw parts of the two bolts 11 pass through the corresponding first positioning strip 5 and the front inner wall of the first cylindrical positioning groove 4. Two nuts 12 are provided on the rear inner wall of the cylindrical mounting groove 9. The two nuts 12 are threadedly connected to the threaded ends of the corresponding bolts 11.

[0025] In the present invention, when the outer hub body 1 and the inner hub body 3 need to be replaced, a tool is first used to release the threaded connection between the two nuts 12 and the corresponding bolts 11, and then the two bolts 11 are pulled out backwards. At this time, the outer hub body 1, the annular connector 2 and the inner hub body 3 can be separated;

[0026] After the separation is completed, take out the new outer hub body 1 and inner hub body 3 (which specific component to replace can be determined according to actual conditions), insert the annular connecting part 2 into the first cylindrical positioning groove 4 on the rear side of the new outer hub body 1, and ensure that the two first positioning strips 5 are inserted into the corresponding first positioning groove 7, then insert the new inner hub body 3 into the inner side of the annular connecting part 2, and ensure that the two second positioning strips 6 are inserted into the corresponding second positioning groove 8, so that pre-positioning before installation can be achieved, and then insert the two bolts 11 from the rear side of the annular mounting part 10 into the corresponding mounting through groove, so that the screw parts of the two bolts 11 pass through the corresponding first positioning strip 5 and the front inner wall of the first cylindrical positioning groove 4, and are inserted into the cylindrical mounting groove 9, and finally the two nuts 12 are threadedly connected to the threaded ends of the corresponding bolts 11. The entire replacement process is relatively convenient, and the outer hub body 1 and the inner hub body 3 can be selectively replaced, which reduces the cost of replacement and maintenance and ensures the normal operation of the entire system.

[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-precision wear-resistant front axle gear, characterized in that: include: An outer hub body (1), an annular connector (2) and an inner hub body (3), wherein a first cylindrical positioning groove (4) is horizontally opened on the rear side of the outer hub body (1), the outer side of the annular connector (2) is slidably connected to the inner wall of the first cylindrical positioning groove (4), and the outer side of the inner hub body (3) is slidably connected to the inner wall of the annular connector (2); A positioning mechanism, the positioning mechanism comprising first positioning strips (5) fixedly connected to the upper and lower ends of the annular connector (2), second positioning strips (6) fixedly connected to the left and right inner walls of the annular connector (2), first positioning slots (7) formed at the upper and lower ends of the first cylindrical positioning slot (4), and second positioning slots (8) formed on the left and right sides of the inner hub body (3); A limiting assembly is provided, wherein the limiting assembly is used to connect the outer hub body (1), the annular connecting piece (2) and the inner hub body (3).

2. A high-precision wear-resistant front axle gear according to claim 1, characterized in that: The two first positioning strips (5) are both slidably connected to the corresponding first positioning grooves (7), and the two second positioning strips (6) are both slidably connected to the corresponding second positioning grooves (8).

3. The high-precision wear-resistant front axle gear according to claim 1, characterized in that: A cylindrical mounting groove (9) is horizontally provided on the front side of the outer hub body (1), and an annular mounting member (10) is fixedly connected to the rear side of the inner hub body (3), wherein the annular mounting member (10) has two mounting through grooves.

4. The high-precision wear-resistant front axle gear according to claim 3, characterized in that: The limiting assembly comprises bolts (11) respectively penetrating two installation slots, and the screw rod portions of the two bolts (11) penetrate the corresponding first positioning strip (5) and the front inner wall of the first cylindrical positioning slot (4).

5. The high-precision wear-resistant front axle gear according to claim 4, characterized in that: Two nuts (12) are provided on the rear inner wall of the cylindrical mounting groove (9), and both nuts (12) are threadedly connected to the threaded ends of the corresponding bolts (11).

6. The high-precision wear-resistant front axle gear according to claim 1, characterized in that: The outer side of the outer hub body (1) is provided with a plurality of outer teeth (13), and the inner side of the inner hub body (3) is provided with a plurality of inner teeth (14).

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