Front and rear end covers of driving motor of electric light truck

By setting a partition layer, a spherical soft film and a fan blade structure inside the motor end cover, a small motor is used to drive the fan blade to achieve efficient heat dissipation and dust prevention of the motor. This solves the problem that traditional end covers cannot take into account both heat dissipation and sealing, and improves the operating performance of the motor.

CN223527904UActive Publication Date: 2025-11-07TIANTAI YINXING MECHANICAL CASTING
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422596915.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-11-07
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

Traditional motor end caps cannot effectively balance heat dissipation and sealing performance, resulting in poor heat dissipation and easy dust entry of the motor under high load.

Method used

Design a front and rear end cover for an electric light truck drive motor. The cover is detachable and contains a partition layer, a spherical soft sheet and a fan blade structure. The fan blade is driven by a small motor to achieve heat dissipation, and the spherical soft sheet seals the ventilation opening to prevent dust when the load is low.

Benefits of technology

It achieves effective heat dissipation under high load and dust prevention under low load, improving the motor's heat dissipation efficiency and sealing performance, and reducing dust ingress.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223527904U_ABST
    Figure CN223527904U_ABST
Patent Text Reader

Abstract

The utility model provides an electric light truck driving motor front and rear end cover comprising two cover bodies detachably arranged at two ends of a motor body, the two cover bodies are tightly attached to arc-shaped positions at two ends of the motor body, an inner wall of each cover body is provided with a separation layer, one side, close to the motor body, of each separation layer is provided with a spherical soft sheet, and the spherical soft sheet is provided with an opening. And fan blades are arranged on the other side of the separation layer. According to the front and rear end covers of the driving motor of the electric light truck, the small motor and the fan blades are arranged at the two ends of the motor body, when the working load of the motor body is high, the small motor is started, one end of the motor body enters air and the other end of the motor body exits air, heat dissipation and cooling are achieved, and when the working load of the motor body is low, the spherical soft sheet abuts against the ventilation opening in the partition layer. And the amount of dust entering the motor body through the partition layer is effectively reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to drive motor technical field, concretely is a kind of electric light truck drive motor front and rear end cover. BACKGROUND

[0002] The drive of electric new energy vehicle mainly relies on motor to provide kinetic energy, and the output shaft of the motor is connected to the gearbox to make the wheels rotate, thereby making the vehicle run stably. Generally speaking, the motor is composed of a motor housing, an end cover and an internal stator and rotor.

[0003] In the process of using the new energy drive motor end cover, the end cover needs to consider both heat dissipation and sealing performance, so as to achieve the purpose of heat dissipation and prevent dust from entering the motor. The traditional end cover cannot well consider both points.

[0004] In order to solve the above problems, the present case is born. INVENTION CONTENTS

[0005] (I) Technical problem solved

[0006] The utility model aims at providing a kind of electric light truck drive motor front and rear end cover, to solve the problems raised in the above background technology.

[0007] (II) Technical scheme

[0008] To achieve the above purpose, the utility model is realized by the following technical scheme: a kind of electric light truck drive motor front and rear end cover, including two cover bodies that can be detachably arranged at both ends of motor body, two the cover body is tightly attached to the arc-shaped part at both ends of motor body, the inner wall of the cover body is provided with a partition layer, the side of the partition layer close to motor body is provided with a spherical soft film, the other side of the partition layer is provided with a fan leaf.

[0009] Preferably, a small motor is provided on the partition layer, and the output end of the small motor is connected to the fan leaf.

[0010] Preferably, the side of the partition layer close to the motor body is further provided with a fixing column, the fixing column is connected to the spherical soft film, one end of the fixing column on one side of the motor body is fixed on the partition layer, the other end is fixedly connected to the convex surface of the spherical soft film, one end of the fixing column on the other side of the motor body is fixed on the motor body, and the other end is fixedly connected to the concave surface of the spherical soft film.

[0011] Preferably, the small motors at both ends of the motor body drive the fan leaves in the same direction.

[0012] Preferably, a ventilation opening is formed in the partition layer, and the projection of the spherical soft film on the partition layer completely covers the distribution area of the ventilation opening.

[0013] (III) Beneficial Effects

[0014] After adopting the above technical solution, this utility model has the following advantages compared with the prior art: The front and rear end covers of the electric light truck drive motor of this utility model are provided with small motors and fan blades at both ends of the motor body. When the working load of the motor body is high, the small motor starts, and the two ends of the motor body have one air inlet and one air outlet to achieve heat dissipation and cooling. When the working load of the motor body is low, the spherical soft sheet is close to the ventilation hole on the partition layer, which effectively reduces the amount of dust entering the motor body through the partition layer. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the present invention;

[0016] Figure 2 This is a schematic diagram showing the disassembled parts of this utility model;

[0017] In the diagram: 1 Motor body, 2 End cover, 21 Partition layer, 22 Ventilation opening, 3 Spherical soft film, 4 Fan blade, 5 Small motor, 6 Fixing column. Detailed Implementation

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0019] This utility model embodiment provides a front and rear end cover for an electric light truck drive motor, such as Figures 1-2 As shown, it includes two covers 2 detachably disposed at both ends of the motor body 1. Both covers 2 are tightly attached to the arc-shaped parts at both ends of the motor body 1. The inner wall of the cover 2 is provided with a partition layer 21. A spherical soft sheet 3 is provided on the side of the partition layer 21 near the motor body 1, and a fan blade 4 is provided on the other side of the partition layer 21.

[0020] Reference Appendix Figure 1 A small motor 5 is provided on the partition layer 21. The output end of the small motor 5 is connected to the fan blade 4. The fan blade 4 is driven by the small motor 5 to achieve heat dissipation and cooling of the motor body 1.

[0021] Reference Appendix Figures 1-2 The partition layer 21 is also provided with a fixing post 6 on the side near the motor body 1. The fixing post 6 is connected to the spherical soft sheet 3. One end of the fixing post 6 on the side of the motor body 1 is fixed to the partition layer 21, and the other end is fixedly connected to the convex surface of the spherical soft sheet 3. One end of the fixing post 6 on the other side of the motor body 1 is fixed to the motor body 1, and the other end is fixedly connected to the concave surface of the spherical soft sheet 3. When the fan blade 4 rotates, the airflow passes through the convex surface of the spherical soft sheet 3, and the spherical soft sheet 3 deforms, so that the two ends of the motor body 1 can realize the air duct with one end for air intake and the other end for air exhaust, thereby realizing the heat dissipation and cooling of the motor body 1.

[0022] It should be noted that the small motor 5 at both ends of the motor body 1 drives the fan blade 4 to rotate in the same direction, so that the motor body 1 at both ends realizes one end air inlet and one end air outlet, thereby taking away the heat inside the motor body 1.

[0023] With reference to the accompanying drawings Figures 1-2 The partition layer 21 is provided with a ventilation opening 22, and the distribution area of the ventilation opening 22 is completely covered by the projection of the spherical soft film 3 on the partition layer 21. When the fan blade 4 does not rotate, the spherical soft film 3 is close to the partition layer 21 and its projection completely blocks the ventilation opening, which can effectively prevent dust from entering.

[0024] The utility model discloses a kind of electric light truck drive motor front and rear end covers, small motor 5 and fan blade 4 are provided at both ends of motor body 1, when the working load of motor body 1 is higher, small motor 5 starts, one air inlet and one air outlet at both ends of motor body, realize heat dissipation cooling, when the working load of motor body 1 is lower, spherical soft film 3 is close to ventilation opening 22 on partition layer, effectively reduce the amount of dust through partition layer into motor body 1.

[0025] 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 deformations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A front and rear end cover of an electric light truck drive motor, comprising two cover bodies (2) detachably arranged at both ends of a motor body (1), characterized in that: Two said cover (2) are close to the arc-shaped part of the motor body (1) two ends, the inner wall of said cover (2) is equipped with a partition layer (21), the partition layer (21) is equipped with a spherical soft film (3) near the side of the motor body (1), the other side of the partition layer (21) is equipped with a fan blade (4).

2. The front and rear end cover of the electric drive motor of the light truck according to claim 1, characterized in that: The partition layer (21) is equipped with a small motor (5), and the output end of the small motor (5) is connected with the fan blade (4).

3. The front and rear end cover of the electric drive motor of the light electric truck according to claim 1, characterized in that: The partition layer (21) is equipped with a fixed column (6) near the side of the motor body (1), the fixed column (6) is connected with the spherical soft film (3), one end of the fixed column (6) on the side of the motor body (1) is fixed on the partition layer (21), the other end is fixedly connected with the convex surface of the spherical soft film (3), one end of the fixed column (6) on the other side of the motor body (1) is fixed on the motor body (1), the other end is fixedly connected with the concave surface of the spherical soft film (3).

4. The front and rear end cover of the electric drive motor of the light truck according to claim 2, characterized in that: The small motor (5) at both ends of the motor body (1) drives the fan blade (4) to rotate in the same direction.

5. The front and rear end cover of an electric drive motor for a light truck according to claim 1, characterized in that: The partition layer (21) is equipped with a ventilation opening (22), and the distribution area of the ventilation opening (22) is completely covered by the projection of the spherical soft film (3) on the partition layer (21).