Lightweight axle housing middle section
By designing an airflow channel and a wind-collecting shroud structure in the middle section of the axle housing, the problem of difficult heat dissipation of the axle housing is solved by utilizing the wind force of vehicle movement, thereby improving the heat dissipation effect and lifespan of the lubricating oil.
Patent Information
- Application Number
- CN202520016653.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-06
AI Technical Summary
The existing axle housing has difficulty dissipating heat effectively during high-speed driving, resulting in excessively high lubricating oil temperature and poor lubrication performance.
Design a lightweight axle housing midsection that includes a heat dissipation mechanism. Airflow channels are provided on the front and rear sides of the rear axle housing, and an air collection shroud connects the air inlet and outlet, utilizing the airflow channels during vehicle movement for heat dissipation.
It effectively reduces the temperature inside the axle housing, improves the heat dissipation effect of the lubricating oil, and extends the life of the lubricating oil.
Smart Images

Figure CN223631319U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge housing technical field, concretely is a lightweight bridge housing middle section. BACKGROUND
[0002] Bridge housing is the basic piece of installing main reducer, differential mechanism, half axle, wheel hub and suspension, and its main function is to support and protect main reducer, differential mechanism and half axle etc. Meanwhile, bridge housing is one of the main components of driving system. Driving bridge housing should have enough strength and rigidity, small mass, and be convenient for the disassembly and adjustment of main reducer.
[0003] The current bridge housing has considerable thickness in order to meet the rigidity requirement, which leads to the rear bridge housing to follow the rapid driving of the vehicle, but the wind blowing through the surface is difficult to reduce the temperature in the bridge housing, and then the bridge housing is easy to heat, causing the oil temperature to be too high, and then the viscosity of the oil is reduced and the lubrication effect is poor. SUMMARY
[0004] The utility model aims at solving one of the technical problems existing in prior art or related art.
[0005] Therefore, the utility model adopts the technical scheme that:
[0006] A lightweight bridge housing middle section, comprising a heat dissipation mechanism, the heat dissipation mechanism comprises a rear bridge housing, a plurality of air flow channels opened on the front and rear sides of the rear bridge housing, two wind collector cover shells connected with the rear bridge housing, an air inlet opened on the wind collector cover shell, a plurality of air outlets opened on the bottom of the wind collector cover shell, and the plurality of air outlets are respectively located on the top of the plurality of air flow channels.
[0007] Through the above technical scheme, the rear bridge housing is installed at the bottom of the vehicle, and then when the rear bridge housing follows the driving of the vehicle, the howling wind flows into the interior of the wind collector cover shell through the air inlet, and then is shunted into the interior of the air flow channel through the plurality of air outlets, and then the cool wind indirectly takes away the heat in the rear bridge housing, and compared with the ordinary bridge housing, the heat dissipation effect of the structure is better, and the service life of the lubricating oil is effectively maintained.
[0008] In a preferred example, the utility model can be further configured as: the outer edges of the top end and the bottom end of the air flow channel are both arc surfaces.
[0009] In a preferred example, the utility model can be further configured as: a plurality of supporting rods are installed in the air flow channel, and the supporting rods are made of steel material.
[0010] In a preferred example, the utility model can be further configured as: a plurality of mounting seats are installed on the top of the rear bridge housing, the mounting seats are arranged in two groups, and the two groups of mounting seats are vertically symmetrical about the vertical center surface of the rear bridge housing.
[0011] The utility model discloses in a preferable example can be further configured as: two protective shells are sleeved with the rear axle housing bottom, and two protective shells are located at the bottom of two groups of mounting seat respectively.
[0012] The utility model discloses in a preferable example can be further configured as: a plurality of openings are set up on the protective shell, and the plurality of openings are arranged in matrix.
[0013] By adopting the above technical scheme, the utility model has the beneficial effects of:
[0014] 1. In the utility model, the rear axle housing is installed at the bottom of the vehicle, then when the rear axle housing walks along with the vehicle, the whistling wind flows into the wind collecting cover shell inside through the air inlet, then the cool wind indirectly takes away the heat in the rear axle housing through the air outlet shunt into the air flow channel inside, compared with the ordinary axle housing, the structure has better heat dissipation effect, and effectively maintains the lubricating oil life.
[0015] 2. In the utility model, a plurality of air flow channels are set up at the center position of the rear axle housing, so that the wall thickness of the center position of the rear axle housing is reduced, and the purpose of light weight of the rear axle housing is realized. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the overall structure perspective view of the utility model;
[0017] Figure 2 It is the overall structure rear view of the utility model;
[0018] Figure 3 It is the rear section view of the heat dissipation mechanism of the utility model;
[0019] Figure 4 It is the wind collecting cover shell perspective view of the utility model.
[0020] Reference signs:
[0021] 100, heat dissipation mechanism; 110, rear axle housing; 120, air flow channel; 130, wind collecting cover shell; 140, air inlet; 150, air outlet;
[0022] 200, support rod;
[0023] 300, mounting seat;
[0024] 400, protective shell. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific implementation manners and with reference to the drawings. It should be explained that the embodiment of the utility model and the features in the embodiment can be combined mutually without conflict.
[0026] It is to be understood that the descriptions are only exemplary and are not intended to limit the scope of the present application.
[0027] Some embodiments of the present application provide a lightweight bridge shell middle section.
[0028] Embodiment one:
[0029] In combination Figures 1-4 The present application provides a lightweight bridge shell middle section, which comprises a heat dissipation mechanism 100, the heat dissipation mechanism 100 comprises a rear axle housing 110, a plurality of air flow channels 120 opened on the front and rear sides of the rear axle housing 110, two wind collecting cover housings 130 connected with the rear axle housing 110, an air inlet 140 opened on the wind collecting cover housing 130, a plurality of air outlets 150 opened on the bottom of the wind collecting cover housing 130, and the plurality of air outlets 150 are respectively located on the top of the plurality of air flow channels 120.
[0030] Further, a plurality of mounting seats 300 are mounted on the top of the rear axle housing 110, the plurality of mounting seats 300 are arranged in two groups, the two groups of mounting seats 300 are vertically symmetrical about the vertical center plane of the rear axle housing 110, the mounting seat 300 is arranged to facilitate the connection of the rear axle housing 110 with the external vehicle.
[0031] Further, two protective shells 400 are sleeved on the bottom of the rear axle housing 110, the two protective shells 400 are respectively located on the bottom of the two groups of mounting seats 300, the protective shell 400 is arranged to protect the bottom of the rear axle housing 110 and avoid the rear axle housing 110 from being damaged by obstacles during the running process.
[0032] Further, a plurality of openings are opened on the protective shell 400, the plurality of openings are arranged in a matrix, and the openings are arranged to provide conditions for the wind to enter the wind collecting cover housing 130.
[0033] Embodiment two:
[0034] In combination Figures 1-3 On the basis of embodiment one, the outer edges of the top and bottom ends of the air flow channel 120 are arranged as arc surfaces, and the shape design of the air flow channel 120 makes it easy for cold air to enter the air flow channel 120.
[0035] Embodiment three:
[0036] In combination Figure 3 In the above embodiments, a plurality of support rods 200 are mounted inside the air flow channel 120, the support rod 200 is made of steel material, and the support rod 200 is arranged to strengthen the structural strength of the rear axle housing 110.
[0037] The working principle and use flow of the utility model: the device uses before, the rear axle housing 110 center position is provided with a plurality of airflow passages 120, like this reduced the rear axle housing 110 center position's wall thickness, realized the rear axle housing 110 light weight's purpose, then the device is put into actual use, the rear axle housing 110 is installed at the bottom of the vehicle, then the rear axle housing 110 follows the vehicle walking, the howling wind flows into the wind collecting cover shell 130 inside through the air inlet 140, then again through a plurality of air outlets 150 shunt intake airflow passage 120 inside, then the cool wind indirectly takes away the heat in the rear axle housing 110.
[0038] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.
Claims
1. A lightweight bridge shell mid-section, characterized by, Include: Heat dissipation mechanism (100), the heat dissipation mechanism (100) includes rear axle housing (110), multiple air flow passages (120) are opened in the front and back of rear axle housing (110), two wind collector cover shells (130) are connected with rear axle housing (110), air inlet (140) is opened in the wind collector cover shell (130), multiple air outlets (150) are opened in the bottom of the wind collector cover shell (130), multiple air outlets (150) are located at the top of multiple air flow passages (120) respectively.
2. The lightweight axle housing mid-section of claim 1, wherein, The outer edge of the top end and the bottom end of the air flow passage (120) is set as an arc surface.
3. The lightweight axle housing mid-section of claim 1, wherein, Multiple support rods (200) are installed inside the air flow passage (120), the support rod (200) is made of steel material.
4. The lightweight axle housing mid-section of claim 1, wherein, Multiple mounting seats (300) are installed on the top of the rear axle housing (110), multiple mounting seats (300) are set as two groups, two groups of mounting seats (300) are vertically symmetrical about the vertical center plane of the rear axle housing (110).
5. The lightweight bridge shell mid-section of claim 4, wherein, Two protective shells (400) are sleeved on the bottom of the rear axle housing (110), two protective shells (400) are located at the bottom of two groups of mounting seats (300) respectively.
6. The lightweight axle housing mid-section of claim 5, wherein, Multiple openings are opened on the protective shell (400), and multiple openings are arranged in a matrix.