Structure for reducing noise of motor
By adopting a multi-layer noise reduction structure in the wall breaker, soy milk machine and cooking machine, including motor hood, noise reduction bracket, noise reduction cotton and external noise reduction components, the problem of high noise reduction in existing motors is solved and significant Noise reduction effect.
Patent Information
- Application Number
- CN202420984311.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-09
AI Technical Summary
The existing wall breakers, soy milk machines and cooking machines have high motor noise, resulting in greater noise during use, affecting users and neighbors. The existing noise reduction method is single and has poor effect.
Using a multi-layer noise reduction structure, including a motor hood, noise reduction bracket, noise reduction cotton and external noise reduction components, the combination of the motor hood, noise reduction bracket and noise reduction cotton is used to form a multi-layer noise reduction effect and external noise reduction The components further reduce noise.
Multi-layer noise reduction treatment for motor noise is achieved, which significantly reduces the noise level and reduces the impact on users and neighbors.
Smart Images
Figure CN222484455U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of kitchen appliances, in particular to a structure for reducing motor noise. Background Art
[0002] At present, most of the known wall-breaking machines, soymilk machines and food processors are equipped with brushed motors, which have relatively high motor noise. The wall-breaking machines, soymilk machines and food processors have no noise reduction or a single noise reduction method, and the noise reduction effect is poor, so they will generate relatively high noise. The noise not only affects the user himself, but may also be transmitted to the neighbors' homes through walls, floors and other media, causing nuisance problems. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a structure for reducing motor noise with good noise reduction effect.
[0004] The utility model discloses a structure for reducing motor noise, comprising a motor cover, a motor, a buffer foam, an air duct, noise reduction cotton, a noise reduction bracket and an external noise reduction component, wherein the motor cover is installed on the motor, and the motor cover and the motor form a motor component, a noise reduction bracket is sleeved on the outside of the motor component, and the motor component cooperates with the air duct and the buffer foam to form an internal noise reduction system, and noise reduction cotton is arranged inside the noise reduction bracket, and the noise reduction bracket and the air duct form a closed space, and the motor cover, the motor, the buffer foam, the air duct, the noise reduction cotton and the noise reduction bracket are all on the inside of the external noise reduction component; when in use, the motor is started, the motor cover forms a first group of noise reduction layers for the noise generated by the motor, the inner side of the noise reduction bracket forms a second group of noise reduction layers, the noise reduction cotton forms a third group of noise reduction layers, the outer side of the noise reduction bracket forms a fourth group of noise reduction layers, and the external noise reduction component forms a fifth noise reduction layer, and the five groups of noise reduction layers cooperate with each other to reduce the noise generated by the motor.
[0005] Preferably, the external noise reduction component includes a main body shell and a base, the main body shell is installed in the base, and the motor cover, motor, buffer foam, air duct, noise reduction cotton and noise reduction bracket are all on the inner side of the main body shell; the main body shell and the base cooperate with each other to form a fifth noise reduction layer for the noise generated by the motor, thereby further reducing the noise generated by the motor.
[0006] Preferably, the motor cover and the motor are connected by snap-fitting; the motor cover and the motor are snap-fitted to improve the convenience of disassembly and installation.
[0007] Preferably, a sound-transmitting hole is provided on the inner side of the noise reduction bracket; the sound-transmitting hole is provided on the inner side of the noise reduction bracket, and the noise enters the noise reduction cotton through the sound-transmitting hole, thereby realizing the propagation of disturbing noise.
[0008] Preferably, the noise reduction cotton shown is a porous structure; the noise reduction cotton with a porous structure achieves a honeycomb noise reduction effect.
[0009] Preferably, the motor cover and the noise reduction bracket are fixed to the main housing by screws; the motor cover and the noise reduction bracket are fixed to the main housing by screws to improve the installation firmness.
[0010] Preferably, the sound-transmitting hole is a runway hole or a circular hole.
[0011] Compared with the prior art, the utility model has the following beneficial effects: when in use, the motor is started, the motor cover forms a first group of noise reduction layers for the noise generated by the motor, the inner side of the noise reduction bracket forms a second group of noise reduction layers, the noise reduction cotton forms a third group of noise reduction layers, the outer side of the noise reduction bracket forms a fourth group of noise reduction layers, and the external noise reduction component forms a fifth noise reduction layer. The five groups of noise reduction layers cooperate with each other to reduce the noise generated by the motor. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the first explosion structure of the utility model;
[0013] Figure 2 It is a schematic diagram of the second explosion structure of the utility model;
[0014] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;
[0015] Figure 4 It is an enlarged structural diagram of structures such as noise reduction bracket and noise reduction cotton.
[0016] Markings in the attached figure: 1. hot cup assembly; 2. soft rubber head; 3. lower connecting head; 4. main unit housing; 5. motor cover; 6. motor; 7. cushioning foam; 8. air duct; 9. noise reduction cotton; 10. noise reduction bracket; 11. base; 12. circuit board; 13. circuit board bracket; 14. display mask; 15. sound hole. DETAILED DESCRIPTION
[0017] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0018] Example 1
[0019] like Figures 1 to 4As shown, a structure for reducing motor noise of the utility model comprises a motor cover 5, a motor 6, a buffer foam 7, an air duct 8, a noise reduction cotton 9, a noise reduction bracket 10 and an external noise reduction component, wherein the motor cover 5 is mounted on the motor 6, and the motor cover 5 and the motor 6 form a motor component, and a noise reduction bracket 10 is sleeved on the outside of the motor component, and the motor component cooperates with the air duct 8 and the buffer foam 7 to form an internal noise reduction system, and noise reduction cotton 9 is arranged inside the noise reduction bracket 10, and the noise reduction bracket 10 and the air duct 8 form a closed space, and the motor cover 5, the motor 6, the buffer foam 7, the air duct 8, the noise reduction cotton 9 and the noise reduction bracket 10 are all on the inner side of the external noise reduction component;
[0020] The external noise reduction component includes a main housing 4 and a base 11 . The main housing 4 is installed in the base 11 . The motor cover 5 , the motor 6 , the buffer foam 7 , the air duct 8 , the noise reduction cotton 9 and the noise reduction bracket 10 are all on the inner side of the main housing 4 .
[0021] In this embodiment, when in use, start the motor 6, the motor cover 5 forms a first group of noise reduction layers for the noise generated by the motor 6, the inner side of the noise reduction bracket 10 forms a second group of noise reduction layers, the noise reduction cotton 9 forms a third group of noise reduction layers, the outer side of the noise reduction bracket 10 forms a fourth group of noise reduction layers, the external noise reduction component forms a fifth noise reduction layer, the main housing 4 and the base 11 cooperate with each other to form a fifth noise reduction layer for the noise generated by the motor 6, thereby further reducing the noise generated by the motor 6.
[0022] Example 2
[0023] like Figures 1 to 4 As shown, a structure for reducing motor noise of the utility model comprises a motor cover 5, a motor 6, a buffer foam 7, an air duct 8, a noise reduction cotton 9, a noise reduction bracket 10 and an external noise reduction component, wherein the motor cover 5 is mounted on the motor 6, and the motor cover 5 and the motor 6 form a motor component, and a noise reduction bracket 10 is sleeved on the outside of the motor component, and the motor component cooperates with the air duct 8 and the buffer foam 7 to form an internal noise reduction system, and noise reduction cotton 9 is arranged inside the noise reduction bracket 10, and the noise reduction bracket 10 and the air duct 8 form a closed space, and the motor cover 5, the motor 6, the buffer foam 7, the air duct 8, the noise reduction cotton 9 and the noise reduction bracket 10 are all on the inner side of the external noise reduction component;
[0024] The external noise reduction component includes a main housing 4 and a base 11, the main housing 4 is installed in the base 11, and the motor cover 5, the motor 6, the buffer foam 7, the air duct 8, the noise reduction cotton 9 and the noise reduction bracket 10 are all inside the main housing 4;
[0025] The connection between the motor cover 5 and the motor 6 is a snap fit;
[0026] The noise reduction bracket 10 is provided with a sound-transmitting hole 15 inside;
[0027] The noise reduction cotton 9 shown is a porous structure;
[0028] The motor cover 5 and the noise reduction bracket 10 are fixed to the main housing 4 by screws;
[0029] The sound-transmitting hole 15 is a racetrack hole or a circular hole.
[0030] In this embodiment, when in use, the motor 6 is started, and the motor cover 5 forms a first group of noise reduction layers for the noise generated by the motor 6, a second group of noise reduction layers is formed on the inner side of the noise reduction bracket 10, the noise reduction cotton 9 forms a third group of noise reduction layers, a fourth group of noise reduction layers is formed on the outer side of the noise reduction bracket 10, and the external noise reduction component forms a fifth noise reduction layer. The main housing 4 and the base 11 cooperate with each other to form a fifth noise reduction layer for the noise generated by the motor 6, thereby further reducing the noise generated by the motor 6. The motor cover 5 is snap-fitted with the motor 6, and the sound-transmitting hole 15 is set on the inner side of the noise reduction bracket 10. The noise enters the noise reduction cotton 9 through the sound-transmitting hole 15, thereby realizing the propagation of disturbing noise.
[0031] The utility model discloses a structure for reducing motor noise, wherein the functional accessories include a hot cup assembly 1, a soft rubber head 2, a lower connecting head 3, a circuit board 12, a circuit board bracket 13 and a display mask 14; the motor 6 of the utility model discloses a structure for reducing motor noise is purchased on the market, and technicians in the industry only need to install and operate it according to the accompanying instruction manual, without the need for creative labor by technicians in this field.
[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A structure for reducing motor noise, comprising a motor cover (5), a motor (6), a buffer foam (7), an air duct (8), a noise reduction foam (9), a noise reduction bracket (10) and an external noise reduction component, wherein the motor cover (5) is mounted on the motor (6), the motor cover (5) and the motor (6) form a motor component, and the noise reduction bracket (10) is mounted on the outside of the motor component, characterized in that: The motor assembly cooperates with the air duct (8) and the buffer foam (7) to form an internal noise reduction system; the noise reduction bracket (10) is provided with noise reduction foam (9); the noise reduction bracket (10) and the air duct (8) form a closed space; the motor cover (5), the motor (6), the buffer foam (7), the air duct (8), the noise reduction foam (9) and the noise reduction bracket (10) are all located on the inner side of the external noise reduction assembly.
2. A structure for reducing motor noise as claimed in claim 1, characterized in that: The external noise reduction component comprises a main housing (4) and a base (11), wherein the main housing (4) is installed in the base (11), and the motor cover (5), the motor (6), the buffer foam (7), the air duct (8), the noise reduction cotton (9) and the noise reduction bracket (10) are all located inside the main housing (4).
3. A structure for reducing motor noise as claimed in claim 1, characterized in that: The motor cover (5) and the motor (6) are connected in a snap-fit manner.
4. A structure for reducing motor noise as claimed in claim 1, characterized in that: A sound-transmitting hole (15) is arranged inside the noise reduction bracket (10).
5. A structure for reducing motor noise as claimed in claim 1, characterized in that: The noise reduction cotton (9) shown is a porous structure.
6. A structure for reducing motor noise as claimed in claim 1, characterized in that: The motor cover (5) and the noise reduction bracket (10) are fixed to the main machine housing (4) by screws.
7. A structure for reducing motor noise as claimed in claim 4, characterized in that: The sound-transmitting hole (15) is a racetrack hole or a circular hole.