Multi-mounting-distance motor support structure of electric drive axle
By designing a motor bracket structure with multiple installation distances, using the combination of bending bracket and T-shaped mount, the problem of high replacement cost caused by changes in motor length is solved, and the flexible adaptation and installation convenience of the motor are achieved.
Patent Information
- Application Number
- CN202422919922.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-11-28
AI Technical Summary
The motor brackets of existing electric drive axles need to be replaced according to different motor lengths and sizes, resulting in high cost and inconvenience.
A motor bracket structure with multiple installation distances is designed. Through the adjustable connection between the bending bracket and the mounting base, it adapts to four common motor lengths. It adopts a combined structure of a T-shaped mounting base and a bending bracket, and uses bolt connections to achieve flexible installation.
It realizes flexible adaptation of different motor lengths, reduces replacement costs, and improves installation convenience and production efficiency.
Smart Images

Figure CN223278883U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile accessories, in particular to a multi-installation distance motor bracket structure for an electric drive bridge. Background Art
[0002] New energy vehicles are mainly composed of power supply systems, electric drive systems and auxiliary systems. The electric drive system can be called the heart of new energy vehicles. In the electric drive system, the electric drive axle is an indispensable part.
[0003] Most existing electric axles utilize external motors. Depending on the vehicle model and configuration, the same electric axle may require motors of varying lengths. Traditionally, each motor bracket is designed to match each motor, with the bracket's mounting base welded and fixed, making it non-adjustable. This requires replacing the corresponding bracket and mounting system for different motor lengths, resulting in high costs. Utility Model Content
[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:
[0005] A multi-mounting distance motor bracket structure for an electric drive bridge, the electric drive bridge comprising an electric drive bridge body, a reducer arranged on the electric drive bridge body, and a motor connected to the reducer; the motor bracket comprising a mounting base fixed to the electric drive bridge body, and a bending bracket for connecting the motor and the mounting base; the mounting base is provided with a first mounting surface facing away from the motor and a second mounting surface facing the motor, one of the two surfaces of one end of the bending bracket can be optionally assembled on the first mounting surface or the second mounting surface of the mounting base, and the other end of the bending bracket is connected to the motor.
[0006] Furthermore, the bending bracket is a vertical folding structure, and the bending bracket includes a first mounting end connected to the mounting seat, a second mounting end connected to the motor, and a bending connection portion for connecting the first mounting end and the second mounting end.
[0007] Furthermore, the second mounting end is in an inverted V-shaped structure, and the first mounting end, the bent connecting portion, and the second mounting end form an integrally formed herringbone structure.
[0008] Furthermore, the mounting seat is a T-shaped structure, the T-shaped top surface of the mounting seat is fixedly connected to the electric drive bridge body, and mounting grooves for matching the first mounting end of the bent bracket are respectively formed on both sides of the mounting seat.
[0009] Furthermore, the bending bracket and the mounting seat are screwed together by a first bolt, and the bending bracket and the mounting seat are respectively provided with a plurality of first screw holes for assembling the first bolt.
[0010] Furthermore, the motor is provided with two extensions for connecting to the bending bracket; the bending bracket and the extension are screwed together by second bolts, and the extension and the bending bracket are respectively provided with a plurality of second screw holes for assembling the second bolts.
[0011] Compared with the prior art, the beneficial effects produced by the present invention are:
[0012] 1. The motor of the present invention is connected to the electric drive bridge body through a bending bracket and a mounting seat, wherein the mounting seat is provided with a first mounting surface facing away from the motor and a second mounting surface facing the motor. One of the two surfaces of one end of the bending bracket can be optionally assembled on the first mounting surface or the second mounting surface of the mounting seat, so that under the premise that the position of the mounting seat does not change, the bending bracket can be suitable for four commonly used motors of different lengths, avoiding the need to replace the corresponding bracket every time a motor of a different specification is replaced.
[0013] 2. The mounting base of the present invention is a T-shaped structure with mounting grooves formed on both sides, which can match the shape of the first mounting end of the bent bracket during assembly.
[0014] 2. The utility model has a simple structure, is easy to install, has a low cost, high production efficiency, and improves economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a three-dimensional diagram of the first installation state of the utility model.
[0016] Figure 2 for Figure 1 Schematic diagram of the decomposition.
[0017] Figure 3 for Figure 1 main view.
[0018] Figure 4 This is a structural diagram of the mounting base of the utility model.
[0019] Figure 5 This is a structural diagram of the bending bracket of the utility model.
[0020] Figure 6 This is a three-dimensional diagram of the second installation state of the utility model.
[0021] Figure 7 for Figure 6 main view.
[0022] Figure 8 This is a three-dimensional diagram of the third installation state of the utility model.
[0023] Figure 9 for Figure 8 main view.
[0024] Figure 10 This is a front view of the fourth installation state of the utility model.
[0025] Among them, the numbers in the figure are: electric drive bridge body 10, reducer 11, mounting seat 20, first mounting surface 21, second mounting surface 22, mounting groove 23, bent bracket 30, first mounting end 31, second mounting end 32, bent connecting part 33, protruding mounting surface 34, recessed mounting surface 35, motor 40, extension part 41, first bolt 51, second bolt 52, first screw hole 53, second screw hole 54. DETAILED DESCRIPTION
[0026] The specific implementation of the present utility model will be described below with reference to the accompanying drawings.
[0027] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "top," and "bottom" appear to indicate orientation or positional relationships, these are based on the orientation or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, if terms such as "first" and "second" appear, they are used solely for descriptive purposes and should not be construed as indicating or implying relative importance.
[0028] Reference Figures 1-10 A multi-mounting distance motor bracket structure for an electric drive axle includes an electric drive axle body 10, a reducer 11 mounted on the electric drive axle body 10, and a motor 40 connected to the reducer 11. The motor bracket structure includes a mounting base 20 fixedly mounted to the electric drive axle body 10, and a bent bracket 30 for connecting the motor 40 to the mounting base 20. Specifically, the mounting base 20 has a first mounting surface 21 facing away from the motor 40 and a second mounting surface 22 facing the motor 40. The bent bracket 30 can be assembled to either the first mounting surface 21 or the second mounting surface 22 of the mounting base 20 on either side.
[0029] Reference Figure 2 、 Figure 4 and Figure 5The mounting base 20 and the bending bracket 30 are detachably connected by two first bolts 51; the mounting base 20 is a T-shaped structure, and its top surface (not shown in the figure) is fixedly connected to the electric drive bridge body 10, with a first mounting surface 21, a second mounting surface 22 and two mounting grooves 23 formed on both sides. The bending bracket 30 is a vertical folding vertical structure, including a first mounting end 31 assembled with the mounting base 20 and a second mounting end 32 connected to the motor 40, and a bending connection portion 33 provided between the first mounting end 31 and the second mounting end 32. The first mounting end 31, the bending connection portion 33 and the second mounting end 32 are integrally formed into a herringbone structure from top to bottom, with a convex mounting surface 34 and a concave mounting surface 35 on the front and back sides respectively; the bending bracket 30 is assembled with the mounting base 20 by the first bolt 51, and the mounting base 20 and the first mounting end 31 are respectively provided with a first screw hole 53 for assembling the first bolt 51. An extension portion 41 is provided on the side of the motor 40 facing the mounting base 20 for assembly with the bending bracket 30. The bending bracket 30 and the extension portion 41 are assembled by a second bolt 52. The extension portion 41 and the second mounting end 32 are respectively provided with a second screw hole 54 for assembling the second bolt 52.
[0030] Reference Figure 1 、 Figure 2 、 Figure 3 The first installation state of the present invention is: the concave mounting surface 35 of the bending bracket 30 faces the extension portion 41 of the motor 40 and is assembled with it, and the first mounting end 31 of the bending bracket 30 is assembled in the mounting groove 23 of the first mounting surface 21 of the mounting base 20, which can adapt to the motor 40 with the longest length among the four installation states.
[0031] Reference Figure 5 、 Figure 6 and Figure 7 The second installation state of the present invention is: the protruding mounting surface 34 of the bending bracket 30 faces the extension portion 41 of the motor 40 and is assembled with it, and the first mounting end 31 of the bending bracket 30 is assembled in the mounting groove 23 of the first mounting surface 21 of the mounting base 20, which can adapt to the motor 40 with the second longest length among the four installation states.
[0032] Reference Figure 5 、 Figure 8 、 Figure 9 The third installation state of the present invention is: the first mounting end 31 of the bending bracket 30 is assembled in the mounting groove 23 of the second mounting surface 22 of the mounting seat 20, and the extension portion 41 of the motor 40 is assembled with the concave surface of the second mounting end 32 of the bending bracket 30, which can adapt to the motor 40 with the second shortest length among the four installation states.
[0033] Reference Figure 4 、 Figure 5 and Figure 10The fourth installation state of the present invention is: the first mounting end 31 of the bending bracket 30 is assembled in the mounting groove 23 of the second mounting surface 22 of the mounting seat 20, and the extension portion 41 of the motor 40 is assembled with the protruding surface of the second mounting end 32 of the bending bracket 30, which can adapt to the motor 40 with the shortest length among the four installation states.
[0034] The above is only a specific implementation method of the present invention, but the design concept of the present invention is not limited to this. Any non-substantial changes to the present invention using this concept shall be deemed as an infringement of the protection scope of the present invention.
Claims
1. A multi-mounting distance motor bracket structure for an electric drive axle, the electric drive axle comprising an electric drive axle body, a reducer disposed on the electric drive axle body, and a motor connected to the reducer, characterized in that: The motor bracket structure includes a mounting base fixed to the electric drive bridge body, and a bending bracket for connecting the motor and the mounting base; the mounting base is provided with a first mounting surface facing away from the motor and a second mounting surface facing the motor, and one of the two surfaces of one end of the bending bracket can be optionally assembled on the first mounting surface or the second mounting surface of the mounting base, and the other end of the bending bracket is connected to the motor.
2. The multi-mounting distance motor bracket structure of an electric drive axle according to claim 1, characterized in that: The bending bracket is a vertical folding structure, and the bending bracket includes a first mounting end connected to the mounting seat, a second mounting end connected to the motor, and a bending connection portion for connecting the first mounting end and the second mounting end.
3. The multi-mounting distance motor bracket structure of an electric drive axle according to claim 2, characterized in that: The second mounting end is in an inverted V-shaped structure, and the first mounting end, the bent connecting portion, and the second mounting end form an integrally formed herringbone structure.
4. The multi-mounting distance motor bracket structure of an electric drive axle according to claim 2, characterized in that: The mounting seat is a T-shaped structure, the T-shaped top surface of the mounting seat is fixedly connected to the electric drive bridge body, and mounting grooves for matching the first mounting end of the bent bracket are respectively formed on both sides of the mounting seat.
5. The multi-mounting distance motor bracket structure of an electric drive axle according to claim 1, characterized in that: The bending bracket and the mounting seat are screwed together by first bolts, and the bending bracket and the mounting seat are respectively provided with a plurality of first screw holes for assembling the first bolts.
6. The multi-mounting distance motor bracket structure of an electric drive axle according to claim 1, characterized in that: The motor is provided with two extensions for connecting to the bending bracket, the bending bracket and the extension are screwed together by second bolts, and the extension and the bending bracket are respectively provided with a plurality of second screw holes for assembling the second bolts.
Citation Information
Cited By
An electric drive axle with adjustable mounting distance
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