Motor shell structure with ventilation slots

By designing a ventilation slot structure with components such as filters and pressure bars in the motor housing, the problem of impurities and dust entering the motor housing during ventilation is solved, achieving effective filtration and convenient filter installation, ensuring normal motor operation.

CN223680866UActive Publication Date: 2025-12-16CHANGZHOU RUNNENG MECHANICAL & ELECTRICAL EQUIP CO LTD
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Patent Information

Application Number
CN202520225386.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2025-12-16
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

The existing motor housing is prone to impurities and dust entering during ventilation, which affects the normal operation of the motor.

Method used

A motor housing structure with ventilation slots was designed, using components such as a filter screen, pressure rod, rubber block, and torsion spring. The filter screen is detachable and easy to install. The design of guide slots and annular slots enables air filtration and stable installation.

Benefits of technology

It effectively prevents dust and impurities from entering the housing, ensuring the normal operation of the motor. The filter screen is easy to disassemble and install, improving assembly stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of motor shells, in particular to a motor shell structure with ventilation slots, one side of a shell is provided with a mounting plate, the middle part of the mounting plate is provided with a mounting cover, the middle part of the mounting cover is provided with an annular slot for assembling a filter screen, and the filter screen is arranged on a plurality of second ventilation slots arranged on the outer wall of the mounting cover in a covering manner. According to the air purifier, the filter screen can effectively block dust in air, the filter screen can be assembled and disassembled through the arrangement of the guide groove and the annular groove, meanwhile, the assembly stability of the filter screen is improved through the cooperation of the arrangement of the pressing rod and the rubber block, dust is effectively prevented from entering the shell, the disassembly process of the filter screen is convenient and fast, and use is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to motor casing technical field especially relates to motor casing structure with ventilation groove. BACKGROUND

[0002] The motor casing plays the protection of motor, the heat dissipation effect, in the prior art, the patent literature of authorized announcement CN 220934949 U of China, has disclosed "a heat dissipation motor casing structure with ventilation groove", including the casing, the inside of casing is set up and placed the groove, the one end of casing is installed with mounting panel, the sidewall of mounting panel is inlaid and is installed with the heat dissipation net, the sidewall of mounting panel away from casing side is connected with mounting bracket, and the motor is installed on the mounting bracket, the motor output end is connected with the fan blade through the shaft coupling, and the fan blade is located the heat dissipation net position, the buffer assembly is installed in the casing, and the utility model discloses the protection of motor body through casing, and through the setting of heat dissipation net, motor, fan blade and other components realizes the heat dissipation function of motor in the casing, but in the actual application process, because the use environment of motor is different, when the air enters the inside through the heat dissipation net, the impurities and dust will enter, and the normal operation of motor is affected. SUMMARY

[0003] The utility model discloses a motor casing structure with ventilation groove to solve the shortcoming of prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model discloses a technical scheme as follows:

[0005] The motor casing structure with ventilation groove includes a casing, a mounting plate is assembled on one side of the casing, a mounting cover is arranged in the middle of the mounting plate, a pair of annular grooves are symmetrically arranged in the middle of the mounting cover to assemble a filter screen, and the filter screen cover is arranged on a plurality of ventilation grooves two arranged on the outer wall of the mounting cover.

[0006] A plurality of pressing rods are rotatably arranged on the mounting cover, rubber blocks are arranged at the bottom of the pressing rods and are in extrusion contact with the outer wall of the filter screen, the other end of the pressing rod is clamped and arranged in the clamping groove arranged on the outer wall of the mounting cover, and each pressing rod is jointly constrained by a blocking ring.

[0007] In addition, preferably, a driving motor is arranged in the middle of the mounting cover.

[0008] In addition, preferably, a ventilation groove one is arranged in the middle of the mounting plate.

[0009] In addition, preferably, the filter screen is limitingly arranged in the annular groove.

[0010] In addition, preferably, one end of the pressing rod is provided with a wedge-shaped block to prevent displacement of the retaining ring, and a recess is formed in the upper wall of the pressing rod to match the retaining ring.

[0011] In addition, preferably, the ventilation groove is in communication with the inside of the mounting cover.

[0012] In addition, preferably, a pair of guide grooves are symmetrically formed in the middle of the mounting cover, and the guide grooves are inclined and connected with the annular groove.

[0013] In addition, preferably, a torsional spring is arranged at the rotating connection between the pressing rod and the mounting cover.

[0014] The beneficial effects of the present application are as follows:

[0015] In the present application, the filter screen can effectively block dust in the air, and the assembly and disassembly operation of the filter screen can be satisfied through the arrangement of the guide groove and the annular groove, and the filter screen is compressed through the arrangement of the pressing rod, the rubber block and the torsional spring, so that the assembly stability of the filter screen is improved, impurities and dust can be effectively prevented from entering the inside of the shell, and the disassembly process of the filter screen is convenient and fast, and the use is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a schematic diagram of the external structure of the motor shell structure with a ventilation groove according to the present application;

[0017] Figure 2 FIG. 2 is a schematic diagram of the structure at A according to the present application;

[0018] Figure 3 FIG. 3 is a schematic diagram of the assembly structure of the driving motor according to the present application;

[0019] Figure 4 FIG. 4 is a schematic diagram of the internal structure of the mounting cover according to the present application;

[0020] Figure 5 FIG. 5 is a schematic diagram of the mounting structure of the pressing rod according to the present application.

[0021] In the drawings: 1 shell, 2 mounting plate, 3 mounting cover, 4 ventilation groove one, 5 pressing rod, 51 wedge-shaped block, 52 rubber block, 6 filter screen, 7 retaining ring, 8 driving motor, 9 ventilation groove two, 10 annular groove, 11 guide groove, 12 torsional spring, 13 clamping groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments.

[0023] ReferenceFigures 1-5 The motor shell structure with ventilation slots comprises a shell 1, a mounting plate 2 is assembled on one side of the shell 1, a mounting cover 3 is arranged in the middle of the mounting plate 2, a pair of annular grooves 10 are symmetrically arranged in the middle of the mounting cover 3 to assemble a filter screen 6, and the filter screen 6 is arranged on a plurality of ventilation slots two 9 arranged on the outer wall of the mounting cover 3.

[0024] Further, a plurality of pressing rods 5 are rotatably arranged on the mounting cover 3, rubber blocks 52 are arranged on the bottom of the pressing rods 5 and are in extrusion contact with the outer wall of the filter screen 6, the other end of the pressing rod 5 is clamped and arranged in a clamping groove 13 arranged on the outer wall of the mounting cover 3, and each pressing rod 5 is jointly constrained by a blocking ring 7.

[0025] Further, a driving motor 8 is arranged in the middle of the mounting cover 3, and a fan blade is drivingly connected to the output end of the driving motor 8.

[0026] A ventilation slot one 4 is arranged in the middle of the mounting plate 2, the ventilation slot one 4 is used for discharging gas inside the shell 1, and a filter screen part is still arranged in the ventilation slot one 4 to avoid dust from entering, which is a conventional arrangement and will not be explained.

[0027] The filter screen 6 is limitingly arranged in the annular groove 10 on both sides, the annular groove 10 plays a guiding and limiting role for the filter screen 6, and can avoid the filter screen 6 from falling off the mounting cover 3.

[0028] One end of the pressing rod 5 is provided with a wedge-shaped block 51 to prevent the displacement of the blocking ring 7, and a groove is arranged on the upper wall of the pressing rod 5 to match the blocking ring 7.

[0029] The ventilation slot two 9 is connected to the inside of the mounting cover 3, and the ventilation slot two 9 is used for introducing air.

[0030] A pair of guide grooves 11 are symmetrically arranged in the middle of the mounting cover 3, the guide grooves 11 are arranged in an inclined manner and are connected to the annular grooves 10.

[0031] A torsional spring 12 is arranged at the rotating connection between the pressing rod 5 and the mounting cover 3, and the torsional force generated by the torsional spring 12 makes the pressing rod 5 press tightly on the filter screen 6.

[0032] In this embodiment, the filter screen 6 filters impurities and dust in the air, after the dust accumulates to a certain extent, the blocking ring 7 is removed and the filter screen 6 is taken out along the guide groove 11, the cleaned filter screen 6 is inserted into the guide groove 11, the filter screen 6 gradually enters the annular groove 10, and when the filter screen 6 is completely curled and wrapped around the outer wall of the mounting cover 3, the blocking ring 7 is re-sleeved on the pressing rod 5 to ensure the installation stability, and the pressing rod 5 is used to press the filter screen 6 to ensure the installation stability.

[0033] The rubber block 52 arranged at the bottom of the pressing rod 5 is in extrusion contact with the surface of the filter screen 6 to improve the installation stability of the filter screen 6.

[0034] The fan blade is driven by the driving motor 8 to rotate to generate flowing air, air enters from the air vent 9 and is discharged from the air vent 4 to achieve heat dissipation of the motor assembled in the shell 1.

[0035] The shell 1 is used for assembling the motor parts, and the specific assembling process is known to those skilled in the art and will not be explained.

[0036] The pressing rod 5 can be manually swung to rotate, so that the convenience of the filter screen 6 assembling process is improved.

[0037] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. Motor housing structure with ventilation slots, comprising a housing (1), characterized in that, The shell (1) is provided with a mounting plate (2) on one side, a mounting cover (3) is arranged in the middle of the mounting plate (2), a pair of annular grooves (10) are symmetrically arranged in the middle of the mounting cover (3) to assemble a filter screen (6), and the filter screen (6) is arranged on a plurality of ventilation grooves (9) arranged on the outer wall of the mounting cover (3). A plurality of pressing rods (5) are rotatably arranged on the mounting cover (3), rubber blocks (52) are arranged at the bottom of the pressing rods (5) and are in extrusion contact with the outer wall of the filter screen (6), the other end of the pressing rod (5) is clamped and arranged in a clamping groove (13) arranged on the outer wall of the mounting cover (3), and each pressing rod (5) is jointly constrained by a retaining ring (7).

2. The motor housing structure with a ventilation slot according to claim 1, characterized by, The middle of the mounting cover (3) is provided with a driving motor (8).

3. The motor housing structure with a ventilation slot according to claim 1, characterized by, The middle of the mounting plate (2) is provided with a ventilation groove (4).

4. The motor housing structure with a ventilation slot according to claim 1, characterized by, The filter screen (6) is limitedly arranged in the annular groove (10) on both sides.

5. The motor housing structure with a ventilation slot according to claim 1, characterized by, One end of the pressing rod (5) is provided with a wedge block (51) to prevent displacement of the retaining ring (7), and a groove is arranged on the upper wall of the pressing rod (5) to match the retaining ring (7).

6. The motor housing structure with a ventilation slot according to claim 1, wherein The ventilation groove (9) is connected with the inside of the mounting cover (3).

7. The motor housing structure with a ventilation slot according to claim 1, characterized by, A pair of guide grooves (11) are symmetrically arranged in the middle of the mounting cover (3), the guide grooves (11) are arranged in an inclined manner and are connected with the annular grooves (10).

8. The motor housing structure with a ventilation slot according to claim 1, characterized by, Torsion springs (12) are arranged at the rotating connection between the pressing rod (5) and the mounting cover (3).

Citation Information

Patent Citations

  • Heat dissipation motor shell structure with ventilation slots

    CN220934949U