Differential mechanism shell structure formed through high-precision cutting

By adding reinforcing plates and heat dissipation components to the differential housing, the wear problem caused by friction and heat in traditional differential housings is solved. High-precision machining is achieved, which improves the strength and heat dissipation of the housing and extends its service life.

CN223868510UActive Publication Date: 2026-02-03HANGZHOU JILI MACHINERY
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Patent Information

Application Number
CN202521350405.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-30
Publication Date
2026-02-03
Estimated Expiration
2035-06-30

AI Technical Summary

Technical Problem

Traditional differential housings experience severe wear due to friction and heat generated by the rotation of internal gears during use, which affects gear stability and housing lifespan.

Method used

By adding reinforcing plates and heat dissipation components to the differential housing structure, and by creating mounting grooves on the inner wall and polishing them, combined with a toothed engagement structure and a sealing groove design, the strength of the connection parts and the heat dissipation effect are enhanced.

Benefits of technology

It improves the strength and stability of the connection parts, reduces friction and wear, enhances the heat dissipation capacity of the housing, and extends the service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223868510U_ABST
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Abstract

The utility model relates to the technical field of differential mechanism shell structures, and discloses a high-precision cutting forming differential mechanism shell structure which comprises a first shell, reinforcing plates are integrally installed on the two sides of the first shell, and heat dissipation parts are arranged on the outer surfaces of the reinforcing plates. A mounting groove is formed in the position, corresponding to the heat dissipation part, of the inner wall of the first shell, and a first shaft sleeve is integrally mounted at one end of the first shell; and the second shell is arranged at one end of the first shell. The reinforcing plate is additionally arranged at the rotating connecting part of the gear, so that the strength of the connecting part is improved, the mounting groove for mounting the gear is formed in the reinforcing inner wall, polishing treatment is adopted, abrasion caused by friction generated by rotation is reduced, and the stability of the gear in the transmission process is further improved; and meanwhile, the corresponding outer side of the mounting groove is provided with the heat dissipation part through cutting, and the heat dissipation strips are arranged, so that the heat dissipation effect can be improved when the connecting part rotates.
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Description

TECHNICAL FIELD

[0001] The utility model relates to differential mechanism shell structure technical field, concretely to a high precision cutting forming's differential mechanism shell structure. BACKGROUND

[0002] The shape of the differential mechanism shell is determined according to different vehicle models and the structure of the differential mechanism, and there are left and right cover folding type, flower blue type and the like, the differential mechanism shell is the framework of differential gear and half shaft gear and cross shaft and the like, the differential mechanism shell combines them together, and the outside is connected with big eight character gear or outer tooth ring, the differential mechanism shell is equipped with the rolling cone thrust bearing at both ends.

[0003] For example, the differential mechanism shell of the reinforced bearing structure disclosed in Chinese patent CN218971773U includes a differential mechanism shell, a first shaft ring is fixedly installed at one end of the differential mechanism shell, an installation disc is fixedly installed at the end of the differential mechanism shell away from the first shaft ring, a second shaft ring is fixedly installed in the middle of the side of the installation disc away from the differential mechanism shell, and six connecting plates are fixedly installed on the side of the installation disc away from the differential mechanism shell. In the utility model, one row of proportionally reduced support blocks are fixedly installed on the side of each adjacent two support plates, each support block is fixedly connected with the corresponding connecting plate, each support block is located between the adjacent two circular holes, the support block is a right triangle plate, the support block can increase the bearing capacity of the support plate, the circular hole can reduce the influence of air resistance during rotation, thereby the overall bearing capacity is strengthened, deformation is prevented, and the normal operation of the differential mechanism is affected. However, the traditional differential mechanism shell structure produces more friction between the internal gear rotation transmission and the shell itself during use, which causes certain wear and generates certain heat, so that the connection part is prone to serious wear, the gear rotation stability is affected, and the service life of the shell is further affected, so that the high-precision cutting forming differential mechanism shell structure is proposed to solve the above problems. Utility model content

[0004] (I) Technical problem solved

[0005] In view of the deficiencies in the prior art, the utility model provides a high-precision cutting forming differential mechanism shell structure, which has the advantages of strengthening the thickness of the connection part and the heat dissipation effect, and solves the problem of large shell wear in the traditional use process.

[0006] (II) Technical scheme

[0007] To achieve the above-mentioned purpose of strengthening the thickness of the connection part and the heat dissipation effect, the utility model provides the following technical scheme: a high-precision cutting forming differential mechanism shell structure, comprising:

[0008] The first shell is integrally provided with a reinforcing plate on both sides, the outer surface of the reinforcing plate is provided with a heat dissipation part, the inner wall of the first shell is provided with a mounting groove at the position corresponding to the heat dissipation part, and one end of the first shell is integrally provided with a first shaft sleeve.

[0009] The second shell is provided at one end of the first shell, and one end of the second shell is integrally connected with a second shaft sleeve.

[0010] Preferably, the inner part of the first shaft sleeve and the second shaft sleeve is provided with a bearing groove, the bearing groove needs to be polished and polished to facilitate the installation of the bearing, and the inner wall of the bearing groove is provided with a sealing groove at one end, the sealing groove is cut on the inner wall of the bearing groove for installing a sealing ring, and the sealing of the bearing is protected by the sealing ring.

[0011] Preferably, the other end of the second shell is integrally provided with a first flange, and the outer surface of one side of the first flange is integrally provided with a plurality of bolt seats, which are fixed by installing bolts in the bolt seats.

[0012] Preferably, the other end of the second shell is provided with a second flange, the outer surface of one side of the first flange and the second flange is provided with a tooth, and the first flange and the second flange are connected through the engagement of the tooth, so that the first flange and the second flange are connected through the engagement of the tooth, which is convenient for positioning and installation, and improves the firmness of the installation.

[0013] Preferably, the heat dissipation part is formed by cutting a plurality of heat dissipation strips, which can increase the heat dissipation effect when the connecting part rotates.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the differential mechanism shell structure formed by high-precision cutting has the following beneficial effects:

[0016] The reinforcing plate is arranged on the connecting part of the gear rotation, the strength of the connecting part is increased, the mounting groove for installing the gear is arranged on the inner wall of the reinforcing plate, the polishing treatment is adopted, the abrasion caused by friction during rotation is reduced, the stability during gear transmission is further increased, and the outer side corresponding to the mounting groove is provided with a heat dissipation part through cutting processing, a plurality of heat dissipation strips are arranged, and the heat dissipation effect when the connecting part rotates is increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structural schematic diagram of the utility model;

[0018] Fig. 2 It is an overall structure explosion diagram of the utility model;

[0019] Fig. 3The first shell structure schematic view of the utility model.

[0020] In the figure: 1, first shell;11, first flange;12, bolt seat;13, first shaft sleeve;14, reinforcing plate;15, heat dissipation part;16, mounting groove;2, second shell;21, second flange;22, second shaft sleeve;23, bearing groove;24, sealing groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figs. 1-3 The utility model provides the following technical scheme: a high-precision cutting forming differential mechanism shell structure, include: first shell 1, the both sides of first shell 1 integrative mounting has reinforcing plate 14, the outer surface of reinforcing plate 14 is provided with heat dissipation part 15, the inner wall of first shell 1 is correspondingly located with heat dissipation part 15 and is equipped with mounting groove 16, one end of first shell 1 integrative mounting has first shaft sleeve 13, heat dissipation part 15 is by cutting to form several heat dissipation strips, can increase the heat dissipation effect when rotating the connecting part;

[0023] In the example, the inside of the first shaft sleeve 13 and the second shaft sleeve 22 is provided with a bearing groove 23, and the bearing groove 23 in the first shaft sleeve 13 and the second shaft sleeve 22 needs to be polished and polished to facilitate bearing installation, and the inner wall of the bearing groove 23 is provided with a sealing groove 24 at one end, and the sealing groove 24 for installing the sealing ring is cut in the inner wall of the bearing groove 23, and the bearing is protected by installing the sealing ring 24.

[0024] Wherein, the other end of the second shell 2 integrative mounting has first flange 11, the outer surface of one side of first flange 11 integrative mounting has a plurality of bolt seats 12, and the bolt is fixed by installing the bolt in the bolt seat 12

[0025] In the example, the second shell 2 is arranged at one end of the first shell 1, one end of the second shell 2 is integrally connected with the second shaft sleeve 22, the other end of the second shell 2 is provided with the second flange 21, the outer surface of one side of the first flange 11 and the second flange 21 is provided with a tooth, and the first flange 11 and the second flange 21 are connected by the tooth engagement, the first flange 11 and the second flange 21 are connected by the tooth engagement structure, which is convenient for positioning and installation, and improves the firmness of installation.

[0026] The working principle of the embodiment is as follows:

[0027] When the shell is processed, the bearing groove 23 in the first shaft sleeve 13 and the second shaft sleeve 22 needs to be polished for bearing installation, and the sealing groove 24 for installing the sealing ring is cut on the inner wall of the bearing groove 23, the bearing sealing is protected by installing the sealing ring 24, the first flange 11 and the second flange 21 are connected by the tooth engagement structure, which is convenient for positioning and installation, and improves the firmness of the installation;

[0028] The reinforcing plate 14 is added to the connecting part of the gear rotation, the strength of the connecting part is increased, the mounting groove 16 for installing the gear is opened in the reinforced inner wall, the polishing treatment is adopted, the abrasion caused by friction during rotation is reduced, the stability during gear transmission is further increased, and the outer side corresponding to the mounting groove 16 is cut and processed to have the heat dissipation part 15, a plurality of heat dissipation strips are arranged, and the heat dissipation effect during rotation of the connecting part is increased.

[0029] It should be noted that in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such a process, method, article or apparatus. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or apparatus including the element.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A differential housing structure formed by high-precision machining, characterized in that, include: The first housing (1) has reinforcing plates (14) integrally installed on both sides. The outer surface of the reinforcing plates (14) is provided with heat dissipation parts (15). The inner wall of the first housing (1) is provided with mounting grooves (16) corresponding to the heat dissipation parts (15). The first housing (1) has a first bushing (13) integrally installed at one end. The second housing (2) is disposed at one end of the first housing (1), and a second bushing (22) is integrally connected to one end of the second housing (2).

2. The differential housing structure formed by high-precision machining according to claim 1, characterized in that: Both the first bushing (13) and the second bushing (22) have bearing grooves (23) inside.

3. The differential housing structure formed by high-precision machining according to claim 2, characterized in that: A sealing groove (24) is provided at one end of the inner wall of the bearing groove (23).

4. The differential housing structure formed by high-precision machining according to claim 1, characterized in that: The other end of the second housing (2) is integrally mounted with a first flange (11), and a number of bolt seats (12) are integrally mounted on one side of the outer surface of the first flange (11).

5. The differential housing structure formed by high-precision machining according to claim 4, characterized in that: The other end of the second housing (2) is provided with a second flange (21). The outer surface of the first flange (11) and the second flange (21) is provided with a locking tooth, and the first flange (11) and the second flange (21) are connected by the locking tooth meshing.

6. The differential housing structure formed by high-precision machining according to claim 1, characterized in that: The heat dissipation part (15) is formed by cutting several heat dissipation strips.

Citation Information

Patent Citations

  • Differential shell with reinforced bearing structure

    CN218971773U