Motor with noise reduction function

Abstract

The utility model discloses a motor with a noise reduction function, which comprises a main body shell and a motor body, a cylindrical noise reduction plate is arranged in the main body shell, a through hole is arranged on the main body shell, the through hole extends inwards to penetrate through the noise reduction plate, the through hole is obliquely arranged, a heat conduction plate is arranged on the main body shell in a penetrating manner, and the heat conduction plate is arranged on the main body shell in a penetrating manner. Sound absorption cotton with good air permeability is laid on the inner wall of the noise reduction plate, through holes in the main body shell, the heat conduction plate and the sound absorption cotton on the inner wall of the noise reduction plate are designed, and the inclined through holes are matched with the sound absorption cotton, so that the movement of noise in the device is weakened when the noise is transmitted outwards; and the device obtains a good noise reduction function on the basis of keeping heat dissipation.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a motor with a noise reduction function. Background Art

[0002] A motor is an electromagnetic device that converts or transmits electric energy according to the law of electromagnetic induction. During use, the motor will generate different noises such as electromagnetic noise and mechanical noise. In order to ensure the user experience of the motor, its noise needs to be processed;

[0003] For example, a motor with noise reduction function disclosed in the utility model with authorization announcement number CN215772798U relates to the field of motor technology, including a motor base, a motor body detachably mounted in the middle of the top surface of the motor base through a bolt group, a soundproof and noise reduction housing detachably mounted on the outside of the motor body connected to the top surface of the motor base by snap-fit, a dustproof and heat dissipation window inlaid in the middle of the right side of the soundproof and noise reduction housing, and two groups of filter element heat dissipation fans symmetrically arranged on the top surface of the soundproof and noise reduction housing are fixedly mounted. The dustproof and heat dissipation windows and heat dissipation windows on the device will cause the internal noise of the device to be directly transmitted, and the noise reduction effect will be weakened, thereby affecting the overall noise reduction effect of the device. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a motor with a noise reduction function. By designing through holes and a heat conduction plate on the main shell and sound-absorbing cotton on the inner wall of the noise reduction plate, the inclined through holes are combined with the sound-absorbing cotton to weaken the internal noise of the device when it is transmitted outward, so that the device can obtain good noise reduction function while maintaining heat dissipation.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a motor with noise reduction function, comprising a main shell and a motor body, a cylindrical noise reduction plate is arranged inside the main shell, a through hole is opened on the main shell, the through hole extends inwardly through the noise reduction plate, the through hole is arranged at an angle, a heat conducting plate is passed through the main shell, and sound-absorbing cotton with good air permeability is laid on the inner wall of the noise reduction plate.

[0006] As a preferred technical solution of the utility model, the through holes are arranged and distributed in a front-to-back direction along the main shell and in a circumferential array along the main shell.

[0007] As a preferred technical solution of the utility model, the outer end of the heat conducting plate contacts the air, and the inner end of the heat conducting plate contacts the noise reduction plate located inside.

[0008] As a preferred technical solution of the utility model, a mounting base is formed on the bottom wall of the noise reduction plate inside, a shock absorbing plate is laid on the mounting base, a motor body is provided on the shock absorbing plate, and the motor body is connected to the mounting base by bolts passing through the mounting plate and the shock absorbing plate below it.

[0009] As a preferred technical solution of the utility model, clamping blocks with shock-absorbing pads are arranged on both sides of the motor body, and a rotatable screw is connected to the outside of the clamping block, and the screw passes through the main shell, the noise reduction plate, and the sound-absorbing cotton.

[0010] As a preferred technical solution of the utility model, a fixing frame is provided below the outer side wall of the main shell, and a cover plate screwed to the inside of the main shell is connected to the front port of the main shell.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] By designing through holes and heat conduction plates on the main shell and sound-absorbing cotton on the inner wall of the noise reduction plate, the internal noise of the device is weakened when it is transmitted outward by using inclined through holes and sound-absorbing cotton, so that the device can obtain good noise reduction function while maintaining heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model in a top view;

[0015] Figure 3 This is a schematic diagram of the distribution of noise reduction panels of the utility model;

[0016] Figure 4 This is a schematic diagram of the distribution of the sound-absorbing cotton of the utility model;

[0017] Among them: 1. Main shell; 2. Through hole; 3. Heat conduction plate; 4. Fixing frame; 5. Screw; 6. Clamping block; 7. Motor body; 8. Mounting plate; 9. Shock-absorbing plate; 10. Mounting base; 11. Sound-absorbing cotton; 12. Noise reduction plate; 13. Cover plate. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0019] Example

[0020] Please refer to Figure 1 - Figure 4 As shown, the utility model provides a motor with noise reduction function, a main body shell 1, a motor body 7, a mounting base 10 is formed on the bottom wall of the noise reduction plate 12 inside, a shock absorbing plate 9 is laid on the mounting base 10, and the shock absorbing plate 9 is used to reduce the mechanical noise caused by the collision between the motor body 7 and the mounting base 10 when the motor body 7 is in operation, and the motor body 7 is provided on the shock absorbing plate 9, and the motor body 7 is connected to the mounting base 10 by bolts penetrating the mounting plate 8 and the shock absorbing plate 9 below it. Clamping blocks 6 with shock absorbing pads are arranged on both sides of the motor body 7 to further improve the stability of the installation of the motor body 7, and a rotatable screw is connected to the outer side of the clamping block 6. Rod 5, screw rod 5 passes through the main housing 1, noise reduction plate 12, sound-absorbing cotton 11, a fixing frame 4 is provided below the outer side wall of the main housing 1, and a cover plate 13 screwed to the inside of the main housing 1 is connected to the front port of the main housing 1, which is convenient for disassembly of the motor body 7. The cover plate 13 is opened before use, and the motor body 7 is placed on the shock-absorbing plate 9 on the mounting base 10 and fixed to the mounting base 10 with bolts, and the screw rod 5 is screwed into the main housing 1, so that the clamping block 6 is close to the motor body 7, and the inner side of the clamping block 6 is pressed against the motor body 7. When the motor body 7 is running, the shock-absorbing plate 9 buffers the noise caused by the internal rotation of the motor body 7;

[0021] like Figure 1 - Figure 4 As shown, a cylindrical noise reduction plate 12 is arranged inside the main shell 1, a through hole 2 is opened on the main shell 1, the through hole 2 extends inwardly through the noise reduction plate 12, the through hole 2 is inclined, a heat conduction plate 3 is passed through the main shell 1, and a sound-absorbing cotton 11 with good air permeability is laid on the inner wall of the noise reduction plate 12. The through holes 2 are arranged in a front-to-back direction along the main shell 1 and in a circumferential array along the main shell 1, so that the device can be ventilated. The through holes 2 are inclined to extend the noise propagation distance and cooperate with the noise reduction plate 12 and the sound-absorbing cotton 11 to transmit The noise is weakened, so that the device can maintain the heat dissipation function while reducing noise. The outer end of the heat conducting plate 3 contacts the air, and the inner end of the heat conducting plate 3 contacts the noise reduction plate 12 on the inner side. The outer end of the heat conducting plate 3 contacts the air to extract the internal heat, accelerate the heat dissipation, and protect the motor body 7. When the motor body 7 is running, noise is generated. When the noise is transmitted, it passes through the through hole 2. The noise reduction plate 12 and the sound-absorbing cotton 11 weaken the transmitted noise. At the same time, the through hole 2 maintains the air permeability of the device, which is convenient for cooperating with the heat conducting plate 3 to accelerate the heat dissipation of the device;

[0022] Specific working principle:

[0023] When using the device, open the cover 13, place the motor body 7 on the shock-absorbing plate 9 on the mounting base 10 and fix it to the mounting base 10 with bolts, turn the screw 5 to screw into the main shell 1, so that the clamping block 6 is close to the motor body 7, and the inner side of the clamping block 6 is pressed against the motor body 7. When the motor body 7 is running, the shock-absorbing plate 9 buffers the noise caused by the internal rotation of the motor body 7. When the noise is transmitted, it passes through the through hole 2, and the noise reduction plate 12 and the sound-absorbing cotton 11 weaken the transmitted noise. At the same time, the through hole 2 maintains the air permeability of the device, which is convenient for cooperating with the heat conducting plate 3 to accelerate the heat dissipation of the device.

[0024] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A motor with noise reduction function, comprising a main housing (1) and a motor body (7), characterized in that: A cylindrical noise reduction plate (12) is arranged inside the main shell (1), a through hole (2) is opened on the main shell (1), the through hole (2) extends inwardly and penetrates the noise reduction plate (12), the through hole (2) is arranged obliquely, a heat conduction plate (3) is passed through the main shell (1), and sound-absorbing cotton (11) with good air permeability is laid on the inner wall of the noise reduction plate (12).

2. The motor with noise reduction function according to claim 1, characterized in that: The through holes (2) are arranged in a front-to-back direction along the main shell (1) and are distributed in a circumferential array along the main shell (1).

3. The motor with noise reduction function according to claim 1, characterized in that: The outer end of the heat conducting plate (3) contacts the air, and the inner end of the heat conducting plate (3) contacts the noise reduction plate (12) located inside.

4. The motor with noise reduction function according to claim 1, characterized in that: A mounting base (10) is formed on the bottom wall of the noise reduction plate (12) located inside, a shock absorbing plate (9) is laid on the mounting base (10), a motor body (7) is arranged on the shock absorbing plate (9), and the motor body (7) is connected to the mounting base (10) by bolts penetrating the mounting plate (8) and the shock absorbing plate (9) below the motor body (7).

5. The motor with noise reduction function according to claim 4, characterized in that: Clamping blocks (6) with shock-absorbing pads are arranged on both sides of the motor body (7), and a rotatable screw rod (5) is connected to the outer side of the clamping block (6), and the screw rod (5) passes through the main body shell (1), the noise reduction plate (12), and the sound-absorbing cotton (11).

6. The motor with noise reduction function according to claim 1, characterized in that: A fixing frame (4) is provided below the outer side wall of the main shell (1), and a cover plate (13) screwed to the inside of the main shell (1) is connected to the front port of the main shell (1).

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