New energy automobile driving motor shell

Abstract

The utility model relates to the technical field of driving motor shells, in particular to a new energy automobile driving motor shell which comprises a bottom plate, a shell, a front end cover and a rear end cover, the shell is fixedly installed on the bottom plate through an inclined support, and internal thread through holes are formed in the middles of installation pieces at the openings of the two ends of the shell. The inner threaded through holes are detachably provided with a front end cover and a rear end cover through bolts, a plurality of cavities are symmetrically formed in the inner wall of the shell, filling materials are arranged in the cavities, and a plurality of sets of cooling fins are symmetrically arranged on the outer side of the shell. According to the utility model, the inner wall of the housing is provided with the cavity, the cavity is also internally provided with the filling material made of silica gel, and the cooling fins coated with the graphene layers are arranged at the outer side of the housing, so that the materials all have a good heat conduction effect, and the heat dissipation performance of the driving motor housing is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drive motor shells, in particular to a drive motor shell for a new energy vehicle. Background Art

[0002] At present, the actual power of the drive motor of new energy vehicles is relatively large during use, which generates a lot of heat. Therefore, the heat dissipation problem of the drive motor housing has become the main research direction. The current drive motor housing is generally made of metal material, but due to its simple structure and general heat dissipation performance, there are certain defects. In view of this, it is necessary to improve the current drive motor housing to solve the above problems;

[0003] The above information disclosed in this Background section is only for understanding the background of the present inventive concept and therefore it may contain information that does not constitute prior art. Utility Model Content

[0004] The purpose of the utility model is to provide a new energy vehicle drive motor housing to solve the problems raised in the above background technology.

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

[0006] A new energy vehicle drive motor housing comprises a bottom plate, a housing, a front cover and a rear cover, wherein a plurality of oblique supports are symmetrically arranged on both sides of the top surface of the bottom plate, and a housing is fixedly installed between the oblique supports;

[0007] The two ends of the shell are set to be open, and at least four mounting plates are symmetrically arranged at the open ends of the shell, and an internal threaded through hole is opened in the middle of each mounting plate, wherein the internal threaded through holes of the mounting plates at the two open ends are detachably mounted with a front cover and a rear cover by bolts respectively;

[0008] The inner wall of the shell is symmetrically provided with a plurality of cavities with the center of the shell as the center of the circle, and fillers are provided in the cavities;

[0009] The outer side of the shell is symmetrically provided with a plurality of groups of heat dissipation fins with the center of the shell as the center of the circle;

[0010] In addition, a preferred structure is that the filler is made of silica gel.

[0011] In addition, a preferred structure is that a graphene layer is coated on the heat dissipation fins.

[0012] In addition, a preferred structure is that the inner wall of the oblique support is welded with a reinforcing rib, wherein the upper portion of the reinforcing rib is fixedly connected to the bottom wall of the shell, and the lower portion of the reinforcing rib is fixedly connected to the top end surface of the bottom plate.

[0013] In addition, a preferred structure is that the heat dissipation fins arranged on the outer side of the shell are spaced apart from the mounting plate.

[0014] The beneficial effects of the utility model are:

[0015] In the utility model, a cavity is provided on the inner wall of the shell, and a filler made of silicone material is also provided in the cavity, and heat dissipation fins coated with a graphene layer are provided on the outer side of the shell. The above materials have good thermal conductivity, which further improves the heat dissipation performance of the drive motor shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of a new energy vehicle drive motor housing proposed by the utility model;

[0017] Figure 2 This is a side view of a new energy vehicle drive motor housing proposed by the utility model;

[0018] Figure 3 A new energy vehicle drive motor housing proposed by the utility model Figure 1 A is an enlarged view of the middle image.

[0019] In the figure: 1 bottom plate, 2 oblique support, 31 shell, 32 cavity, 4 filling material, 51 front cover, 52 rear cover, 61 mounting plate, 62 internal threaded through hole, 7 heat dissipation fin, 8 reinforcing rib, 9 bolt. DETAILED DESCRIPTION

[0020] 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 of the embodiments.

[0021] Reference Figure 1-3 A new energy vehicle drive motor housing comprises a base plate 1, a housing 31, a front cover 51 and a rear cover 52. A plurality of oblique supports 2 are symmetrically arranged on both sides of the top surface of the base plate 1, and a housing 31 is fixedly installed between the oblique supports 2.

[0022] In other embodiments, the inner wall of the oblique support 2 is welded with a reinforcing rib 8, wherein the upper portion of the reinforcing rib 8 is fixedly connected to the bottom wall of the shell 31, and the lower portion of the reinforcing rib 8 is fixedly connected to the top surface of the bottom plate 1;

[0023] Through this design, the reinforcing rib 8 is arranged on one side of the oblique support 2. By arranging the reinforcing rib 8, the strength of the oblique support 2 can be improved, thereby better improving the connection strength between the bottom plate 1 and the shell 31;

[0024] Both ends of the housing 31 are set to be open, and at least four mounting plates 61 are symmetrically arranged at the open ends of the housing 31, and an internal threaded through hole 62 is opened in the middle of each mounting plate 61, wherein the internal threaded through holes 62 of the mounting plates 61 at the open ends are respectively detachably mounted with a front cover 51 and a rear cover 52 by bolts 9, and a plurality of groups of heat dissipation fins 7 are symmetrically arranged on the outer side of the housing 31 with the center of the housing 31 as the center of the circle;

[0025] With this design, mounting plates 61 with internal threaded through holes 62 are respectively provided on both sides of the housing 31, thereby facilitating the operator to disassemble and assemble the front cover 51 and the rear cover 52;

[0026] In other embodiments, the heat dissipation fins 7 disposed outside the housing 31 are spaced apart from the mounting sheet 61, and a graphene layer is coated on the heat dissipation fins 7;

[0027] Through this design, the graphene layer is coated on the outer side of the heat dissipation fin 7, and the graphene layer has a good heat conduction effect, thereby improving the subsequent heat dissipation performance;

[0028] A plurality of cavities 32 are symmetrically arranged in the inner wall of the shell 31 with the center of the shell 31 as the center of the circle, and a filler 4 is arranged in the cavity 32;

[0029] In other embodiments, the filler 4 is made of silicone;

[0030] Through this design, the silicone filler 4 is arranged in the cavity 32 located on the inner wall of the housing 31, wherein the silicone filler also has a good thermal conductivity, thereby better conducting and dissipating the heat inside the housing 31;

[0031] In this embodiment, a cavity is provided on the inner wall of the shell, and a filler made of silicone material is provided in the cavity, and heat dissipation fins coated with a graphene layer are provided on the outer side of the shell. The above materials have good thermal conductivity, which further improves the heat dissipation performance of the drive motor shell.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A new energy vehicle drive motor housing, comprising a base plate (1), a housing (31), a front end cover (51) and a rear end cover (52), characterized in that: A plurality of oblique supports (2) are symmetrically arranged on both sides of the top surface of the bottom plate (1), and a shell (31) is fixedly installed between the oblique supports (2). The two ends of the shell (31) are arranged to be open, and at least four mounting plates (61) are symmetrically arranged at the open part of the shell (31), and an internal threaded through hole (62) is opened in the middle of each mounting plate (61), wherein the internal threaded through holes (62) of the mounting plates (61) at the open ends are respectively detachably mounted with a front cover (51) and a rear cover (52) by bolts (9), and a plurality of cavities (32) are symmetrically arranged in the inner wall of the shell (31) with the center of the shell (31) as the center of the circle, and a filling material (4) is arranged in the cavity (32), and a plurality of groups of heat dissipation fins (7) are symmetrically arranged on the outer side of the shell (31) with the center of the shell (31) as the center of the circle.

2. A new energy vehicle drive motor housing according to claim 1, characterized in that: The material of the filler (4) is silica gel.

3. The new energy vehicle drive motor housing according to claim 1, characterized in that: A graphene layer is coated on the heat dissipation fins (7).

4. The new energy vehicle drive motor housing according to claim 1, characterized in that: The inner wall of the oblique support (2) is welded with a reinforcing rib (8), wherein the upper portion of the reinforcing rib (8) is fixedly connected to the bottom wall of the shell (31), and the lower portion of the reinforcing rib (8) is fixedly connected to the top end surface of the bottom plate (1).

5. The new energy vehicle drive motor housing according to claim 1, characterized in that: The heat dissipation fins (7) arranged on the outside of the housing (31) are spaced apart from the mounting plate (61).

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