Lightweight intermediate axle housing assembly
By designing structures such as shaft tubes, positioning weight-reducing grooves, and reinforced side plates on the middle axle housing assembly, a lightweight design is achieved, solving the problem of high energy consumption caused by the heavy weight of the middle axle housing assembly, and achieving the effects of lightweighting and safe connection.
Patent Information
- Application Number
- CN202520630189.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-04-03
AI Technical Summary
The existing axle housing assembly has a complex structure, resulting in a large weight that cannot meet the requirements for lightweighting, increases vehicle energy consumption, and does not meet stringent emission requirements.
A lightweight axle housing assembly is designed by symmetrically connecting and fixing shaft tubes on the central housing, and fixing and reinforcing side plates in positioning and weight-reducing grooves on the shaft tubes. Fixing holes are provided on the lower and upper fixing plates. Combined with flanges and bearing tubes, the connection and fixation are enhanced by hangers and central hangers, thus achieving a lightweight design.
Without compromising structural strength, the weight is significantly reduced, connection and fixation safety is improved, lightweight requirements are met, energy consumption is reduced, and emission requirements are satisfied.
Smart Images

Figure CN223864628U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile parts, and specifically relates to a light-weight middle axle housing assembly. BACKGROUND
[0002] The axle housing is a base body for assembling the main reducer, differential, half shaft and wheel, and mainly functions to support and protect the main reducer, differential and half shaft; generally, the ordinary non-disconnect drive axle housing is a rigid hollow beam supported on the left and right drive wheels, and the main reducer, differential, half shaft and other transmission components are all assembled therein, and the axle housing is connected with the frame or the vehicle compartment through the longitudinally arranged steel plate spring.
[0003] The utility model discloses a kind of automobile middle axle housings, belong to the technical field of automobile accessories, including middle axle housing body, the right side surface of the middle axle housing body is equipped with reducer installation hole, the lower of the middle axle housing body is equipped with protective plate, the upper surface of the protective plate is fixedly installed with two groups of buffer springs, the bottom surface of the middle axle housing body is fixedly installed with two mounting pieces, the side surface of two the mounting pieces mutually close is all fixedly connected with fixed plate, the top of two groups of the buffer springs is respectively fixedly connected with the bottom surface of two fixed plates, the front and rear ends of the middle axle housing body are all fixedly installed with connecting disc, the end of two the connecting disc mutually far away is all fixedly installed with half shaft sleeve, the left and right side surface of the protective plate is all fixedly connected with support plate, the upper surface of two the support plates is all fixedly installed with micro-damper.The automobile middle axle housing reaches the effect of buffering protection to the bottom of middle axle housing body, improves the use effect of middle axle housing body in automobile.
[0004] But the above-mentioned disclosed scheme has the following shortcomings: the middle axle housing assembly of prior art, in order to achieve design structural strength, the structure designed is complex, leading to overall weight, unable to meet the demand of light weight, leading to the energy consumption of automobile increases, not in line with increasingly stringent emission requirements. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the technical problems of the middle axle housing assembly of prior art, in order to achieve design structural strength, the structure designed is complex, leading to overall weight, unable to meet the demand of light weight, leading to the energy consumption of automobile increases, not in line with increasingly stringent emission requirements, and provides a light-weight middle axle housing assembly.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions to achieve it.
[0007] The present invention discloses a lightweight axle housing assembly, comprising a central housing; a shaft tube symmetrically connected and fixed to the central housing; a positioning and weight reduction groove symmetrically opened on the shaft tube; a reinforcing side plate fixedly connected in the positioning and weight reduction groove; a lower fixing plate and an upper fixing plate respectively fixedly connected to the upper and lower ends of the reinforcing side plate; and fixing holes opened on the lower fixing plate and the upper fixing plate.
[0008] Furthermore, a flange is fixedly connected to the end of the shaft tube; a bearing tube is connected and fixedly connected to the flange; and multiple flange holes are provided on the flange.
[0009] Furthermore, two hanging rods are symmetrically fixed to the shaft tube.
[0010] Furthermore, a central hanger rod is fixed to the upper surface of the central housing.
[0011] The lightweight mid-bridge housing assembly provided by this utility model has the following beneficial effects:
[0012] 1. This utility model features a central housing; a shaft tube is symmetrically connected and fixed to the central housing; the shaft tube is symmetrically provided with positioning and weight-reducing grooves; a reinforcing side plate is fixedly connected to the positioning and weight-reducing groove; a lower fixing plate and an upper fixing plate are respectively fixed to the upper and lower ends of the reinforcing side plate; fixing holes are provided on the lower and upper fixing plates. By providing multiple positioning and weight-reducing grooves on the shaft tube, the weight is reduced while the reinforcing side plate is inserted into the positioning and weight-reducing groove and welded and fixed, thereby enhancing the structural strength of the shaft tube. At the same time, the fixing position of the reinforcing side plate is accurate, and the lower and upper fixing plates at the upper and lower ends are accurately positioned. The volume of the lower and upper fixing plates is also reduced, further reducing the overall weight. The weight is reduced without reducing the overall strength, achieving the purpose of lightweight bridge housing design.
[0013] 2. This utility model reduces the weight of the flange by using multiple flange holes, while allowing for external bolts to be used for fixed connections with other objects; the drive shaft can be connected through the bearing tube; and more structures on the vehicle chassis can be connected through the side hangers, making the connection and fixation safer. Attached Figure Description
[0014] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings;
[0015] Fig. 1 This is a schematic diagram of the first isometric structure of this utility model;
[0016] Fig. 2 This is a schematic diagram of the second isometric structure of this utility model;
[0017] Fig. 3 This is a front view structural diagram of the present invention.
[0018] The following are the labels in the diagram: 1. Central housing; 2. Shaft tube; 3. Flange; 4. Bearing tube; 5. Positioning and weight reduction groove; 6. Reinforcing side plate; 7. Lower fixing plate; 8. Upper fixing plate; 9. Fixing hole; 10. Side hangers; 11. Central hanger; 12. Mounting groove; 13. Mounting hole; 14. Clearance groove; 15. Flange hole. Detailed Implementation
[0019] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
[0020] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0021] It should be noted that all directional indications (such as up-down-left-right-forward-backward...) in the embodiments of this utility model are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly. The connection can be a direct connection or an indirect connection.
[0022] Please see Figs. 1-3 As shown, a lightweight axle housing assembly includes a central housing 1; a shaft tube 2 is symmetrically connected and fixed to the central housing 1; the shaft tube 2 is symmetrically provided with positioning and weight reduction grooves 5; a reinforcing side plate 6 is fixedly connected within the positioning and weight reduction grooves 5; a lower fixing plate 7 and an upper fixing plate 8 are respectively fixed to the upper and lower ends of the reinforcing side plate 6; fixing holes 9 are provided on the lower fixing plate 7 and the upper fixing plate 8. By providing multiple positioning and weight reduction grooves 5 on the shaft tube 2, the weight is reduced while the reinforcing side plate 6 is inserted into the positioning and weight reduction grooves 5 and welded and fixed, thereby enhancing the structural strength of the shaft tube 2. At the same time, the fixing position of the reinforcing side plate 6 is accurate, and the lower fixing plate 7 and the upper fixing plate 8 fixed at the upper and lower ends are accurately positioned, and the volume of the lower fixing plate 7 and the upper fixing plate 8 is reduced, further reducing the overall weight. The weight is reduced without reducing the overall strength, achieving the purpose of lightweight axle housing design.
[0023] A flange 3 is fixedly connected to the end of the shaft tube 2; a bearing tube 4 is connected and fixedly connected to the flange 3; multiple flange holes 15 are opened on the flange 3, which can reduce the weight of the flange 3 while allowing bolts to be connected to other objects for fixed connection; the drive shaft can be connected through the bearing tube 4.
[0024] Two side hangers 10 are symmetrically fixed to the axle tube 2. More structures on the vehicle chassis can be connected through the two side hangers 10, making the connection and fixation safer.
[0025] A central hanger 11 is fixed to the upper surface of the central housing 1. The central hanger 11 makes it easier to lift and move the axle housing during processing. It also provides an additional connection point to the vehicle chassis during installation, thus increasing the connection strength.
[0026] The central housing 1 has a mounting groove 12; multiple mounting holes 13 are provided around the mounting groove 12 on the central housing 1, and multiple bolts can be connected through the mounting holes 13 to cooperate with the reducer housing for sealing and fixing.
[0027] The mounting slot 12 has a clearance slot 14, which can reduce weight and accommodate parts placed in the bridge housing.
[0028] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A lightweight mid-bridge housing assembly, characterized in that; It includes a central shell (1); a shaft tube (2) is symmetrically connected and fixed to the central shell (1); the shaft tube (2) is symmetrically provided with positioning and weight reduction grooves (5); a reinforcing side plate (6) is fixedly connected in the positioning and weight reduction groove (5); a lower fixing plate (7) and an upper fixing plate (8) are respectively fixedly connected to the upper and lower ends of the reinforcing side plate (6); and fixing holes (9) are provided on the lower fixing plate (7) and the upper fixing plate (8).
2. The lightweight mid-bridge housing assembly according to claim 1, characterized in that: A flange (3) is fixedly connected to the end of the shaft tube (2); a bearing tube (4) is connected and fixedly connected to the flange (3); and multiple flange holes (15) are opened on the flange (3).
3. The lightweight mid-bridge housing assembly according to claim 1, characterized in that: Two hanging rods (10) are symmetrically fixed to the shaft tube (2).
4. The lightweight mid-bridge housing assembly according to claim 1, characterized in that: A central hanger (11) is fixed to the upper surface of the central housing (1).
5. The lightweight mid-bridge housing assembly according to claim 1, characterized in that: The central housing (1) is provided with a mounting groove (12); the central housing (1) is provided with a plurality of mounting holes (13) around the mounting groove (12).
6. The lightweight mid-bridge housing assembly according to claim 5, characterized in that: An avoidance groove (14) is provided in the mounting groove (12).
Citation Information
Patent Citations
Automobile intermediate axle housing
CN221642225U