Motor end cover with good sealing effect

By designing a motor end cover that includes multiple components, the problems of complex structure and poor sealing effect of existing motor end covers are solved, achieving convenient installation and good sealing effect, and improving the assembly portability and sealing performance of the motor.

CN223625674UActive Publication Date: 2025-12-02TAICANG HONGXIN PRECISION DIE-CASTING CO LTD
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Patent Information

Application Number
CN202423107710.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-02
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

The existing motor end cover has a complex structure, is inconvenient to install, and has poor sealing performance.

Method used

A motor end cover was designed, comprising a main mounting cover, a housing connection assembly, a PCB board fixing assembly, an auxiliary connection assembly, a sealing assembly, a bearing mounting assembly, and a reinforcing assembly. The ingenious design of these components enables convenient installation and a good sealing effect.

Benefits of technology

This design enables convenient installation of the motor end cover and provides excellent sealing performance, ensuring the ease of assembly, portability, and sealing of the motor.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223625674U_ABST
    Figure CN223625674U_ABST
Patent Text Reader

Abstract

The utility model discloses a motor end cover with a good sealing effect, which comprises a main mounting cover body, a plurality of casing connecting assemblies are arranged on the outer side of the main mounting cover body, and a plurality of PCB (printed circuit board) fixing assemblies are arranged on the outer end surface of the main mounting cover body. A PCB positioning assembly is arranged on the outer end face, located on one side of two PCB fixing assemblies, of the main mounting cover body, an auxiliary connecting assembly is arranged on the main mounting cover body, a sealing assembly is arranged on the auxiliary connecting assembly, a bearing mounting assembly is arranged in the main mounting cover body, and a sealing assembly is arranged on the sealing assembly. And a plurality of reinforcing assemblies are arranged on the outer side of the bearing mounting assembly. The motor end cover has the beneficial effects that the motor end cover of the technical scheme is ingenious in structural design, relatively strong in practicability, convenient to install and good in sealing effect, and by applying the motor end cover, the sealing performance of a motor is effectively ensured, and meanwhile, the assembling portability of the motor is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of motor end cover technology, and in particular to a motor end cover with excellent sealing effect. Background Technology

[0002] Electric motors are widely used in household appliances such as electric fans, refrigerators, washing machines, air conditioners, hair dryers, vacuum cleaners, range hoods, dishwashers, electric sewing machines, and food processing machines, as well as various power tools and small electromechanical equipment.

[0003] An electric motor consists of a stator, rotor, bearings, housing, end cover, etc. The end cover is a rear cover installed behind the motor housing, commonly known as an "end cover". Existing end covers have complex structures, are inconvenient to install, and have poor sealing effects. Therefore, a motor end cover with better sealing effect has been designed. Utility Model Content

[0004] The purpose of this invention is to solve the above-mentioned problems by designing a motor end cover with excellent sealing effect.

[0005] To achieve the above objectives, the technical solution of this utility model is a motor end cover with excellent sealing effect, comprising a main mounting cover body, a plurality of housing connecting components arranged on the outer side of the main mounting cover body, a plurality of PCB board fixing components arranged on the outer end face of the main mounting cover body, a PCB board positioning component arranged on one side of two of the PCB board fixing components on the outer end face of the main mounting cover body, an auxiliary connecting component arranged on the main mounting cover body, a sealing component arranged on the auxiliary connecting component, a bearing mounting component arranged inside the main mounting cover body, and a plurality of reinforcing components arranged on the outer side of the bearing mounting component.

[0006] As a further description of this technical solution, the housing connection assembly includes a plurality of housing connection ears disposed on the outside of the main mounting cover, and the housing connection ears are provided with connection holes.

[0007] As a further description of this technical solution, the PCB board fixing assembly includes a plurality of PCB board fixing holes disposed on the outer end face of the main mounting cover.

[0008] As a further description of this technical solution, the PCB board positioning assembly includes PCB board positioning holes disposed on the outer end face of the main mounting cover, located on one side of two of the PCB board fixing assemblies.

[0009] As a further description of this technical solution, the auxiliary connection assembly includes an auxiliary connection cylinder disposed on the main mounting cover, and a sealing assembly is disposed on the auxiliary connection cylinder.

[0010] As a further description of this technical solution, the sealing assembly includes a sealing groove disposed on the auxiliary connecting assembly, and a sealing ring is disposed in the sealing groove.

[0011] As a further description of this technical solution, the bearing mounting assembly includes a bearing mounting cylinder disposed inside the main mounting housing, and the bearing mounting cylinder is provided with a bearing hole.

[0012] As a further description of this technical solution, the reinforcing component includes several reinforcing ribs disposed on the outside of the bearing mounting component.

[0013] Its beneficial effects are that the motor end cover of this technical solution has a clever structural design, strong practicality, convenient installation, and good sealing effect. Using this motor end cover effectively ensures the sealing performance of the motor, while also ensuring the portability of motor assembly. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the overall structure of this utility model from another perspective;

[0016] Figure 3 This is a schematic diagram of the sealing assembly of this utility model;

[0017] In the diagram, 1. Main mounting cover; 2. Housing connection assembly; 3. PCB board fixing assembly; 4. PCB board positioning assembly; 5. Auxiliary connection assembly; 6. Sealing assembly; 7. Bearing mounting assembly; 8. Reinforcing assembly; 9. Housing connecting lug; 10. Connecting hole; 11. PCB board fixing hole; 12. PCB board positioning hole; 13. Auxiliary connecting cylinder; 14. Sealing groove; 15. Bearing mounting cylinder; 16. Bearing hole; 17. Reinforcing rib. Detailed Implementation

[0018] The present invention will now be described in detail with reference to the accompanying drawings, such as... Figures 1-3 As shown, a motor end cover with good sealing effect includes a main mounting cover 1. In order to facilitate connection and fixation with the motor housing, a number of housing connection components 2 are provided on the outside of the main mounting cover 1. The housing connection components 2 will be described in detail below. The housing connection components 2 include a number of housing connection ears 9 provided on the outside of the main mounting cover 1. The housing connection ears 9 are provided with connection holes 10.

[0019] To facilitate the fixing of the PCB board, a number of PCB board fixing components 3 are provided on the outer end face of the main mounting cover 1. The PCB board fixing components 3 will be described in detail below. The PCB board fixing components 3 include a number of PCB board fixing holes 11 provided on the outer end face of the main mounting cover 1.

[0020] To facilitate the positioning of the PCB board, a PCB board positioning component 4 is provided on the outer end face of the main mounting cover 1 on one side of two of the PCB board fixing components 3. The PCB board positioning component 4 will be described in detail below. The PCB board positioning component 4 includes PCB board positioning holes 12 provided on the outer end face of the main mounting cover 1 on one side of two of the PCB board fixing components 3.

[0021] To facilitate connection with the motor housing, an auxiliary connection component 5 is provided on the main mounting cover 1. The auxiliary connection component 5 will be described in detail below. The auxiliary connection component 5 includes an auxiliary connection cylinder 13 provided on the main mounting cover 1, and a sealing component 6 is provided on the auxiliary connection cylinder 13.

[0022] To ensure the airtightness of the connection between the motor housing and the motor end cover, a sealing component 6 is provided on the auxiliary connection component 5. The sealing component 6 will be described in detail below. The sealing component 6 includes a sealing groove 14 provided on the auxiliary connection component 5, and a sealing ring is provided in the sealing groove 14.

[0023] To facilitate bearing installation, a bearing mounting assembly 7 is provided inside the main mounting cover 1. The bearing mounting assembly 7 will be described in detail below. The bearing mounting assembly 7 includes a bearing mounting cylinder 15 disposed inside the main mounting housing, and a bearing hole 16 is provided on the bearing mounting cylinder 15.

[0024] To ensure the strength of the end cap, several reinforcing components 8 are provided on the outside of the bearing mounting assembly 7. The reinforcing components 8 will be described in detail below. The reinforcing components 8 include several reinforcing ribs 17 provided on the outside of the bearing mounting assembly 7.

[0025] The specific structure of this utility model has been described in detail above. The working principle of this utility model will be explained below: During installation, the sealing ring is installed in the sealing groove 14, the bearing is installed in the bearing hole 16 on the bearing mounting cylinder 15, and the end cover is installed on the motor housing. The auxiliary connecting cylinder 13 and the sealing component 6 are connected to the inner ring of the motor housing. The connection and fixation are achieved through the housing connecting ear 9. The PCB board is positioned through the PCB board positioning hole 12. After positioning, it is connected to the PCB board positioning hole 12 through the fixing component to fix the PCB board. The motor end cover of this technical solution has a clever structural design, strong practicality, convenient installation, and good sealing effect. Using this motor end cover effectively ensures the sealing performance of the motor and at the same time ensures the portability of the motor assembly.

[0026] The above technical solution only embodies the preferred technical solution of this utility model. Any changes that may be made by those skilled in the art to certain parts of it embody the principle of this utility model and fall within the protection scope of this utility model.

Claims

1. A motor end cover with excellent sealing effect, characterized in that, The system includes a main mounting cover (1), with several housing connection components (2) on the outside of the main mounting cover (1), several PCB board fixing components (3) on the outer end face of the main mounting cover (1), PCB board positioning components (4) on one side of two of the PCB board fixing components (3) on the outer end face of the main mounting cover (1), auxiliary connection components (5) on the main mounting cover (1), sealing components (6) on the auxiliary connection components (5), bearing mounting components (7) inside the main mounting cover (1), and several reinforcing components (8) on the outside of the bearing mounting components (7).

2. The motor end cover with excellent sealing effect according to claim 1, characterized in that, The housing connection assembly (2) includes a plurality of housing connection ears (9) disposed on the outside of the main mounting cover (1), and the housing connection ears (9) are provided with connection holes (10).

3. The motor end cover with excellent sealing effect according to claim 1, characterized in that, The PCB board fixing assembly (3) includes a plurality of PCB board fixing holes (11) disposed on the outer end face of the main mounting cover (1).

4. The motor end cover with excellent sealing effect according to claim 1, characterized in that, The PCB positioning assembly (4) includes PCB positioning holes (12) located on one side of two PCB fixing assemblies (3) on the outer end face of the main mounting cover (1).

5. A motor end cover with excellent sealing effect according to claim 1, characterized in that, The auxiliary connection assembly (5) includes an auxiliary connection cylinder (13) disposed on the main mounting cover (1), and a sealing assembly (6) is disposed on the auxiliary connection cylinder (13).

6. A motor end cover with excellent sealing effect according to claim 1, characterized in that, The sealing assembly (6) includes a sealing groove (14) disposed on the auxiliary connection assembly (5), and a sealing ring is disposed in the sealing groove (14).

7. A motor end cover with excellent sealing effect according to claim 1, characterized in that, The bearing mounting assembly (7) includes a bearing mounting cylinder (15) disposed inside the main mounting housing, and the bearing mounting cylinder (15) is provided with a bearing hole (16).

8. A motor end cover with excellent sealing effect according to claim 1, characterized in that, The reinforcing component (8) includes several reinforcing ribs (17) disposed on the outside of the bearing mounting component (7).