Noise reduction structure and home appliances

Abstract

The present invention provides a noise reduction structure and household appliance for electric motors. The noise reduction structure includes: a first shell; a second shell, which is arranged in the first shell, and the second shell is provided with a receiving cavity, and the receiving cavity can receive the electric motor; a connecting component, the first end of the connecting component is connected to the second shell, and the second end of the connecting component is connected to the first shell, and the connecting component can reduce the vibration transmitted from the second shell to the first shell. By setting the connecting component to connect the second shell with the first shell, the vibration generated by the electric motor is transmitted to the first shell, and the vibration at the first shell is transmitted to the second shell through the connecting component. The energy of the vibration will be weakened during the transmission process of the connecting component, thereby reducing the vibration transmitted to the first shell and reducing the noise generated by the vibration of the electric motor.

Description

Technical Field

[0001] The present invention relates to the technical field of noise reduction, and in particular to a noise reduction structure and household electrical appliances. Background Art

[0002] At present, handheld vacuum cleaners in household appliances are commonly used cleaning tools, which are light, easy to store and easy to use. However, during use, as the motor power increases, handheld vacuum cleaners often have a problem of high noise during operation due to the influence of motor vibration, which reduces the user experience. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

[0004] Therefore, an object of the present invention is to provide a noise reduction structure.

[0005] Another object of the present invention is to provide a household appliance including the above-mentioned noise reduction structure.

[0006] In view of this, according to the first aspect of the present invention, a noise reduction structure is provided for an electric motor, comprising a first shell; a second shell, arranged in the first shell, the second shell is provided with a accommodating cavity, and the accommodating cavity can accommodate the electric motor; a connecting component, the first end of the connecting component is connected to the second shell, and the second end of the connecting component is connected to the first shell, and the connecting component can reduce the vibration transmitted from the second shell to the first shell.

[0007] The noise reduction component provided by the present invention includes a first shell, a second shell and a connecting component. The second shell is provided with a receiving cavity for receiving the motor. The two ends of the connecting component are respectively connected to the first shell and the second shell, so that the first shell and the second shell are connected through the connecting component. Specifically, the motor is arranged inside the second shell, and the motor will generate certain vibration and noise when in operation. By arranging the motor inside the second shell, the noise, the noise vibration generated by the motor can be partially offset by the second shell, and the airflow flowing out of the motor will not directly act on the first shell, thereby reducing the vibration of the first shell driven by the motor, thereby reducing the generation of noise.

[0008] The second shell is connected to the first shell by setting a connecting component, and the vibration generated by the motor is transmitted to the first shell. The vibration at the first shell is transmitted to the second shell through the connecting component. The energy of the vibration will be weakened during the transmission process of the connecting component, thereby reducing the vibration transmitted to the first shell and reducing the noise generated by the vibration of the motor.

[0009] Specifically, the present application sets a first shell and a second shell, two shell structures, so that the vibration is partially offset during the transmission process. Compared with the related art in which the motor is directly wrapped by the outer shell, the present application sets two shells to achieve better sound insulation effect. Moreover, the present application sets a connecting component to offset part of the vibration and noise during the transmission process, thereby achieving a certain noise reduction and shock absorption effect by setting the connecting component.

[0010] It is understandable that the second shell has a certain cavity structure in the structure for accommodating the motor. Due to the existence of the cavity structure, the vibration and noise generated by the operation of the motor are partially offset in the cavity of the second shell. The first shell is arranged outside the second shell, and there is a cavity structure between the first shell and the second shell, wherein the first shell and the second shell are connected by a connecting member, and the connecting member is located in the cavity structure of the first shell. The vibration of the motor drives the second shell to vibrate, and then the connecting component vibrates together, and the connecting component is arranged in the cavity structure of the first shell, so that the amount of vibration transmitted is reduced during the transmission process, so as to reduce the vibration transmitted to the first shell, thereby reducing the noise emitted. Therefore, by setting the connecting component, the amount of vibration transmitted to the first shell can be effectively reduced, and the noise reduction effect of the noise reduction structure is guaranteed.

[0011] like Figure 1 The figure shows a schematic diagram of the noise reduction structure in the present application. The noise reduction structure can prevent sound waves and airflow from directly exciting the motor housing, reducing airflow noise and low-frequency noise. Specifically, the noise reduction structure can reduce the impact of motor vibration on housing vibration and noise, and prevent concentrated frequency energy from generating abnormal noise.

[0012] In addition, the noise reduction structure provided by the above technical solution of the present invention also has the following additional technical features:

[0013] In one possible design, a slot is provided on the first shell, and the connecting assembly includes: a connecting rod assembly, a first end of the connecting rod assembly is connected to the second shell; a connecting piece, the connecting piece is provided at the second end of the connecting rod assembly, and the connecting rod assembly is connected to the first shell via the connecting piece and the slot.

[0014] In this design, the connection assembly includes a connecting rod assembly and a connecting piece. One end of the connecting rod assembly is connected to the second housing, the second end of the connecting rod is provided with a connecting piece, and a matching slot is provided at a corresponding position of the first housing, so that the connecting assembly can be connected to the first housing through the connecting piece, thereby ensuring that the first housing and the second housing can be connected through the connecting rod assembly.

[0015] In a specific embodiment, the connecting component is made of plastic material. During the vibration of the motor, the connecting component can produce a certain elastic deformation. It is not a completely rigid connection, and part of the vibration is offset during the elastic deformation of the connecting component, thereby achieving a noise reduction effect.

[0016] Specifically, the connection component and the second shell adopt an integrally formed structure, which satisfies the structural strength and connection strength of the connection component, so that the connection component and the second shell have good mechanical properties and can play a role in noise reduction during the vibration transmission process.

[0017] In a possible design, the connecting rod assembly includes: at least two first connecting rods, the at least two first connecting rods are arranged on the second housing, and every two first connecting rods of the at least two first connecting rods are arranged at intervals from each other.

[0018] In this design, the connecting rod assembly includes a first connecting rod, and the number of the first connecting rods is at least two. At least two first connecting rods are arranged on the second housing, so that the vibration of the motor can be transmitted to the at least two connecting rods through the second housing, wherein each two connecting rods of the at least two first connecting rods are arranged at intervals, so that there is a certain gap between each two connecting rods, so that in the process of transmitting vibration, the vibration can be transmitted to the second housing through the gap between each two connecting rods, and part of the vibration amount is reduced in the process of transmission, and then the at least two first connecting rods arranged at intervals can play a certain role in reducing vibration. Moreover, the present application can reduce or attenuate part of the vibration energy through at least two first connecting members in the process of transmitting vibration and noise by setting at least two first connecting rods, so as to offset part of the vibration and noise, so that the connecting assembly can play a certain effect of noise reduction and shock absorption.

[0019] Specifically, the number of at least two first connecting rods should not be too large, as too many first connecting rods will increase unnecessary product costs. Similarly, the number of at least two first connecting rods should not be too small, as too few connecting rods cannot ensure the connection strength between the connecting assembly and the second shell, thereby affecting the connection strength between the first shell and the second shell. The number of first connecting rods is reasonably set so that the connecting assembly can achieve a good noise reduction effect while ensuring the connection strength.

[0020] In a possible design, the number of the connecting members is at least two, and the connecting member is disposed at an end of the first connecting rod away from the second shell.

[0021] In this design, the connecting member is arranged at one end of the connecting assembly away from the second housing, and the connecting assembly and the first housing are connected through the connecting member, so that the vibration generated by the motor during operation is transmitted from the second housing to the first housing, and then transmitted from the connecting rod assembly to the connecting member, and then reaches the first housing. Since the connecting member is arranged at one end away from the second housing, there is a certain distance, and a certain amount of vibration can be consumed during the transmission of the vibration, thereby achieving a certain noise reduction effect. The number of connecting members is at least two. Specifically, the number of connecting members is not easy to set too much, so as to avoid too many connecting members leading to an increase in product costs. Similarly, the number of connecting members is not easy to set or is small, so as to avoid the number of connecting members affecting the connection strength between the connecting assembly and the first housing. On the premise of ensuring the connection strength between the connecting assembly and the first housing, the number of connecting members is reasonably set. The number of connecting members is set to at least two, three connecting members can be set, and four connecting members can also be set, and the same number of slots as the connecting members are set at the same time, so as to ensure the connection strength between the first housing and the connecting assembly.

[0022] In a possible design, the connecting rod assembly further includes: a second connecting rod connected to an end of the first connecting rod away from the second shell; and a connecting member disposed on the second connecting rod.

[0023] In this design, the connecting rod assembly also includes a second connecting rod, and the connecting member is arranged on the second connecting rod. The second connecting rod is connected to the end of the first connecting rod away from the second housing, so that the vibration of the motor during operation is transmitted from the second housing to the first connecting rod and then reaches the second connecting rod. Since the connecting member on the second connecting rod is connected to the slot of the first housing, the vibration generated by the motor is transmitted from the second housing to the first housing. It is first transmitted from the second housing to the first connecting rod and then reaches the second connecting rod, and then from the second connecting rod to the connecting member and reaches the first housing, so that the vibration is reduced in the process of transmission, thereby gradually reducing the amount of noise, thereby achieving a noise reduction effect. Moreover, the connecting member is arranged on the second connecting rod, providing an installation space for the connecting member. Similarly, the second connecting rod is connected to the first connecting rod, which ensures the connection strength of the connecting assembly.

[0024] It is understandable that in the process of transmitting vibration between the first connecting rod and the second connecting rod, a certain elastic deformation can be generated, and a part of the vibration and noise can be offset in the process of generating the elastic deformation. By providing two connecting rod structures of the first connecting rod and the second connecting rod, a part of the vibration and noise can be offset in the process of transmitting vibration and noise, so that a certain noise reduction and vibration reduction effect can be achieved by providing a connecting assembly.

[0025] Specifically, the first connecting member and the second connecting member adopt an integrally formed structure, which satisfies the structural strength and connection strength of the connecting component, so that the connecting component and the first shell have good mechanical properties and can achieve a noise reduction effect during the vibration transmission process.

[0026] In a specific embodiment, the first connecting rod and the second connecting rod adopt a multi-rod parallel elastic support form to transmit the vibration of the motor, the airflow and the vibration of the sound wave radiation to a structure with high rigidity, thereby reducing the noise of the motor and achieving a noise reduction effect.

[0027] In a possible design, the noise reduction structure further includes: a shock absorbing component, which is arranged in the accommodating cavity, and the shock absorbing component is located between the second shell and the motor.

[0028] In this design, the noise reduction component also includes a shock absorbing component. Specifically, the shock absorbing component is arranged in the accommodating cavity, between the second shell and the motor, so that the vibration generated by the motor in the working state is transmitted to the second shell through the shock absorbing component. The shock absorbing component can reduce the vibration generated by the motor, thereby playing a shock absorbing role in the process of transmitting the vibration to the second shell, thereby achieving a noise reduction effect.

[0029] In a specific embodiment, the shock absorbing component is made of an elastic material, so that after the vibration is transmitted to the shock absorbing component, the shock absorbing component generates elastic deformation, and offsets a certain amount of vibration during the elastic deformation process, thereby playing a role in shock absorption and achieving a noise reduction effect. Specifically, by providing the shock absorbing component, broadband noise is further reduced.

[0030] In one possible design, the second shell includes a first sub-shell and a second sub-shell, and the first sub-shell and the second sub-shell are detachably connected, and the shock absorbing assembly includes: a first shock absorbing member, the first shock absorbing member is located between the first sub-shell and one end of the motor, and the first shock absorbing member is in contact with the first sub-shell and one end of the motor; a second shock absorbing member, the second shock absorbing member is located between the second sub-shell and the other end of the motor, and the second shock absorbing member is in contact with the second sub-shell and the other end of the motor.

[0031] In this design, the second housing includes a first sub-housing and a second sub-housing. The shock absorbing assembly includes a first shock absorbing member and a second shock absorbing member, and the first shock absorbing member is arranged between the first sub-housing and one end of the motor so that the vibration generated by the motor during operation is transmitted from one end of the motor to the first sub-housing after being damped by the first shock absorbing member. The second shock absorbing member is arranged between the second sub-housing and the other end of the motor so that the vibration generated by the motor during operation is transmitted from the other end of the motor to the second sub-housing after being damped by the second shock absorbing member. Therefore, by arranging the first shock absorbing member and the second shock absorbing member at both ends of the motor, the vibration amount can be reduced from the source, and the noise reduction effect is further ensured.

[0032] In a specific embodiment, the first shock absorber and the second shock absorber are made of elastic material. The first shock absorber is arranged between the first sub-shell and one end of the motor, and the motor and the first sub-shell are squeezed together by the first shock absorber. Since the elastic material can produce elastic deformation, the first shock absorber can undergo elastic deformation during the vibration and squeezing of the motor, and offset part of the vibration during the squeezing and buffering process, thereby achieving a noise reduction effect. Similarly, the second shock absorber and the first shock absorber use the same principle to offset vibration. Specifically, by arranging the first shock absorber and the second shock absorber, broadband noise is further reduced.

[0033] In a possible design, the first shock absorber is provided with a first shock absorber cavity; the shock absorber assembly also includes: a sleeve, which is arranged in the first shock absorber cavity, the sleeve is connected to the first shock absorber, the sleeve is connected to the motor, and a gap is provided between the sleeve and the first shock absorber.

[0034] In this design, it is specifically defined that the first shock-absorbing member is provided with a first shock-absorbing cavity, and the motor is located in the first shock-absorbing cavity of the first shock-absorbing member. Since the first shock-absorbing cavity is a cavity structure, the vibration generated by the motor during operation is transmitted from one end of the motor to the first vibration cavity, wherein the sleeve is arranged in the first vibration cavity and connected to the first shock-absorbing member, and a gap is arranged between the sleeve and the first shock-absorbing member, thereby ensuring that the vibration is transmitted from the first shock-absorbing member to the first shock-absorbing cavity during the transmission process, and the first shock-absorbing cavity drives the sleeve to vibrate. It is precisely because of the gap between the sleeve and the first shock-absorbing member that the sleeve and the first shock-absorbing member can offset part of the vibration amount through the gap during the vibration process, thereby playing a role of shock absorption and achieving the effect of reducing noise. Specifically, the first shock-absorbing member is provided with a first shock-absorbing cavity, and one end of the motor is arranged in the first shock-absorbing cavity, so that the vibration inside the cavity can offset part of the vibration amount, play a role of shock absorption and achieve the effect of reducing noise.

[0035] In a specific embodiment, the sleeve is made of elastic material. The sleeve is elastically deformed during the vibration transmission process, and in the process of elastic deformation, part of the vibration generated by the motor is offset to achieve a noise reduction effect. Specifically, the sleeve and the first shock absorbing chamber are integrally formed, that is, the connection assembly and the structural strength and connection strength are met, thereby ensuring the shock absorbing effect of the first shock absorbing member during the vibration transmission process and achieving a noise reduction effect.

[0036] Specifically, the axial length of the first shock absorber is greater than the length of one end of the motor in contact with the first shock absorber, so that the length of the first shock absorber cavity is greater than the length of one end of the motor connected to the first shock absorber, thereby ensuring that one end of the motor is located in the first shock absorber cavity and the motor will not directly contact the second shell. Therefore, when the motor is in working state, a certain space is reserved to offset part of the vibration generated by the motor, thereby achieving the purpose of shock absorption and achieving the noise reduction effect.

[0037] like Figure 2 The figure shows the structure of the first shock absorbing component.

[0038] In a possible design, the shock absorbing assembly further includes: a first positioning portion, which is arranged on the first shock absorbing member, and the first positioning portion abuts against the first sub-shell.

[0039] In this design, it is specifically defined that the first shock absorbing member is provided with a first positioning portion, and the first positioning portion abuts against the first sub-shell. Specifically, the first shock absorbing member abuts against the first sub-shell through the first positioning portion, so that the vibration generated by the motor in the working state is prevented from affecting the abutting relationship between the first shock absorbing member and the first sub-shell during the process of the first shock absorbing member being transmitted to the first sub-shell, thereby ensuring the shock absorbing effect of the first shock absorbing member. In the process of transmitting the vibration to the second shell, it is partially offset by the first shock absorbing member, thereby achieving the purpose of shock absorption and achieving the noise reduction effect.

[0040] In a possible design, the second sub-shell is provided with a positioning hole, and the shock absorbing assembly further includes at least two second positioning portions, which are provided on the second shock absorbing member, and the second positioning portions are plugged into the positioning hole.

[0041] In this design, at least two second positioning parts are provided on the second shock absorber, and a positioning hole is provided on the adapted second housing, wherein the positioning hole matches the shape of the at least two second positioning parts so that the second positioning part can be inserted into the positioning hole, and plays a positioning role on the second shock absorber, thereby ensuring the connection between the second shock absorber and the second sub-housing, thereby avoiding the unstable connection between the second shock absorber and the second sub-housing, resulting in relative displacement between the second shock absorber and the second sub-housing. Specifically, the number of second positioning parts is the same as the number of positioning holes. It is not easy to set too many positioning holes to avoid too many positioning holes affecting the structural strength of the second sub-housing. Similarly, it is not easy to set too few positioning holes to avoid too few positioning holes failing to stably connect the second shock absorber and the second housing. Under the premise of ensuring the connection strength, the proficiency of the second positioning parts and the positioning holes is reasonably set. The number of second positioning parts is at least two, and the number of positioning holes is also at least two. The number of second positioning parts can be three, and the number of positioning holes is three; the number of second positioning parts can be four, and the number of positioning holes is four.

[0042] Specifically, at least two second shock absorbing parts and the second shock absorbing element adopt an integrally formed structure, which satisfies the structural strength and connection strength of the second shock absorbing element, and enables the second shock absorbing element and the second shock absorbing part to have good mechanical properties and to achieve shock absorption and noise reduction effects during vibration transmission.

[0043] In a possible design, the shock absorbing assembly includes a second shock absorbing chamber disposed in the second positioning portion.

[0044] In this design, it is specifically defined that the second positioning portion is provided with a second shock-absorbing cavity, so that the second positioning portion has a cavity structure. When the motor generates vibration in a working state and the vibration is transmitted to the second sub-shell via the second vibrating member, the vibration is transmitted to the second sub-shell through the second positioning portion with the second shock-absorbing cavity. Since the second positioning portion is provided with the second shock-absorbing cavity structure, a certain elastic deformation can be generated during the vibration transmission and the squeezing process, thereby avoiding the rigid connection between the second positioning portion and the second sub-shell, thereby better offsetting part of the vibration amount during the vibration transmission process and achieving the noise reduction effect.

[0045] In a possible design, the noise reduction structure further includes: an exhaust hole, which is arranged in the second shell, and the axis of the exhaust hole is parallel to the axis of the output shaft of the motor.

[0046] In this design, it is specifically defined that the second housing is provided with an exhaust hole for exhausting air, so that the wind generated by the motor during operation can be discharged through the exhaust hole to achieve a heat dissipation effect. Moreover, the axis of the exhaust hole is parallel to the output axis of the motor, and the direction of the air flow can be adjusted.

[0047] The motor drives the air to flow, and the air inside the motor flows out from the side wall of the motor and flows along the inner wall of the second housing in the direction of the exhaust hole, so that the flowing air is discharged from the exhaust hole. During the air flow, it will not contact the inside of the first housing, reducing the noise generated by the vibration of the first housing driven by the air flow.

[0048] The airtightness is improved to prevent the airflow from returning to the second shell and causing airflow noise. Under the premise of ensuring the heat dissipation effect of the motor, the noise is further reduced and the stability of the noise reduction structure is improved.

[0049] In a possible design, the first shell includes: a third sub-shell; an exhaust hood detachably connected to the third sub-shell, and the second end of the connecting assembly is connected to the third sub-shell and / or the exhaust hood.

[0050] In this design, the first shell includes a third sub-shell and an exhaust hood, and the second end of the connecting component is connected to the third sub-shell and the exhaust hood, so that the vibration generated by the motor in the working state is transmitted to the third sub-shell and the exhaust hood via the connecting component, so that the vibration is partially offset during the transmission process, which plays a shock-absorbing role and achieves a noise reduction effect.

[0051] The second end of the connecting component is connected to the third sub-shell or the exhaust hood, so that the vibration generated by the motor in the working state is transmitted to the third sub-shell or the exhaust hood via the connecting component, so that the vibration is partially offset during the transmission process, playing a shock-absorbing role, thereby achieving a noise reduction effect.

[0052] Specifically, by adopting a multi-section form of the shock absorbing assembly at both ends of the motor, the shock absorbing assembly is free of rigid connection with the exhaust cover of the motor, thereby improving the axial shock absorbing performance of the motor.

[0053] Furthermore, the exhaust hood has a certain cavity and forms a ventilation structure, so that during the transmission of vibration, the exhaust hood can ventilate and dissipate heat while the cavity can offset part of the vibration, thereby achieving the effect of reducing noise by offsetting the vibration.

[0054] A second aspect of the present invention provides a household appliance.

[0055] According to a second aspect of the present invention, there is provided a household appliance, such as the noise reduction structure provided by any of the above technical solutions, which has all the beneficial technical effects of the noise reduction structure and will not be described in detail here.

[0056] In one possible design, the household appliance includes a motor, and the noise reduction structure is connected to the motor.

[0057] In this design, the noise reduction component and the motor reduce the noise generated by the motor during operation through the noise reduction component, thereby achieving the purpose of noise reduction, improving user experience, and increasing product market competitiveness.

[0058] In one possible design, the household appliances include a vacuum cleaner, a blender, and a fan.

[0059] It is understandable that the above-mentioned selection of household appliances is not restrictive. Without departing from the spirit of the present application and the scope of protection of the claims, the household appliances can also be configured in other forms, all of which are within the protection of the present application.

[0060] Additional aspects and advantages according to the present invention will be given in part in the following description, and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0061] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0062] Figure 1 A schematic structural diagram of a noise reduction structure according to an embodiment of the present invention is shown;

[0063] Figure 2 A schematic structural diagram of a noise reduction structure according to another embodiment of the present invention is shown;

[0064] Figure 3 An exploded view of a noise reduction structure according to an embodiment of the present invention is shown;

[0065] Figure 4A schematic structural diagram of a first shock absorbing member according to an embodiment of the present invention is shown;

[0066] Figure 5 A schematic structural diagram of a second shock absorbing member according to an embodiment of the present invention is shown;

[0067] Figure 6 A schematic structural diagram of a connection assembly according to an embodiment of the present invention is shown;

[0068] in, Figures 1 to 6 The corresponding relationship between the reference numerals and the component names is as follows:

[0069] 120 first shell, 122 third sub-shell, 124 exhaust hood, 140 second shell, 142 first sub-shell, 144 second sub-shell, 160 connecting assembly, 162 connecting rod assembly, 1622 first connecting rod, 1624 second connecting rod, 164 connecting member, 180 shock absorbing assembly, 182 first shock absorbing member, 1822 sleeve, 1824 first positioning portion, 184 second shock absorbing member, 1842 second positioning portion, 1844 second shock absorbing chamber. DETAILED DESCRIPTION

[0070] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0071] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0072] Refer to the following Figures 1 to 6 To describe the noise reduction structure provided according to some embodiments of the present invention.

[0073] Embodiment 1

[0074] like Figure 1 and Figure 3 As shown, a noise reduction structure is provided in the first embodiment of the present invention for an electric motor, comprising a first shell 120; a second shell 140, which is arranged in the first shell 120, and the second shell 140 is provided with an accommodating cavity, which can accommodate the electric motor; a connecting component 160, wherein the first end of the connecting component 160 is connected to the second shell 140, and the second end of the connecting component 160 is connected to the first shell 120, and the connecting component 160 can reduce the vibration transmitted from the second shell 140 to the first shell 120.

[0075] In this embodiment, the noise reduction component includes a first shell 120, a second shell 140 and a connecting component 160. The second shell 140 is provided with a receiving cavity for receiving the motor. The two ends of the connecting component 160 are respectively connected to the first shell 120 and the second shell 140, so that the first shell 120 and the second shell 140 are connected through the connecting component 160. Specifically, the motor is arranged inside the second shell 140, and the motor will generate certain vibration and noise in the working state. By arranging the motor inside the second shell 140, the noise, the noise vibration generated by the motor can be partially offset by the second shell 140, and the airflow flowing out of the motor will not directly act on the first shell 120, reducing the vibration of the first shell 120 driven by the motor, thereby reducing the generation of noise, and then playing the effect of reducing noise.

[0076] By setting up a connecting component 160 to connect the second shell 140 with the first shell 120, the vibration generated by the motor is transmitted to the first shell 120, and the vibration at the first shell 120 is transmitted to the second shell 140 through the connecting component 160. The energy of the vibration will be weakened during the transmission process of the connecting component 160, thereby reducing the vibration transmitted to the first shell 120 and reducing the noise generated by the vibration of the motor.

[0077] Specifically, the present application sets a first shell 120 and a second shell 140, two shell structures, so that the vibration is partially offset during the transmission process. Compared with the related art in which the motor is directly wrapped by the outer shell, the present application sets two shells to achieve better sound insulation effect. Moreover, the present application sets a connecting component 160 to offset part of the vibration and noise during the transmission process, thereby achieving a certain noise reduction and shock absorption effect by setting the connecting component 160.

[0078] It can be understood that the second housing 140 has a certain cavity structure in the structure for accommodating the motor. Due to the existence of the cavity structure, the vibration and noise generated by the motor at work are partially offset in the cavity of the second housing 140. The first housing 120 is arranged outside the second housing 140, and there is a cavity structure between the first housing 120 and the second housing 140, wherein the first housing 120 and the second housing 140 are connected by a connecting member 164, and the connecting member 164 is located in the cavity structure of the first housing 120. Since the vibration of the motor drives the second housing 140 to vibrate, the connecting assembly 160 is vibrated together, and the connecting assembly 160 is arranged in the cavity structure of the first housing 120, so that the amount of vibration transmitted is reduced during the transmission process, so as to reduce the vibration transmitted to the first housing 120, thereby reducing the noise emitted. Therefore, by setting the connecting assembly 160, the amount of vibration transmitted to the first housing 120 can be effectively reduced, and the noise reduction effect of the noise reduction structure is guaranteed.

[0079] Embodiment 2

[0080] like Figure 2 , Figure 3 and Figure 6 As shown, a noise reduction structure is provided in the first embodiment of the present invention for an electric motor, including a first shell 120, a second shell 140 and a connecting assembly 160, wherein the accommodating cavity in the second shell 140 can accommodate the electric motor; the two ends of the connecting assembly 160 are connected to the first shell 120 and the second shell 140, and the connecting assembly 160 can reduce the vibration transmitted from the second shell 140 to the first shell 120.

[0081] like Figure 6 As shown, a slot is provided on the first shell 120, and the connecting assembly 160 includes: a connecting rod assembly 162, a first end of the connecting rod assembly 162 is connected to the second shell 140; a connecting member 164, the connecting member 164 is provided at the second end of the connecting rod assembly 162, and the connecting rod assembly 162 is connected to the first shell 120 via the connecting member 164 and the slot.

[0082] In this embodiment, the connecting assembly 160 includes a connecting rod assembly 162 and a connecting member 164. One end of the connecting rod assembly 162 is connected to the second housing 140, and the second end of the connecting rod assembly 162 is provided with the connecting member 164, and a matching slot is provided at a corresponding position of the first housing 120, so that the connecting assembly 160 can be connected to the first housing 120 through the connecting member 164, thereby ensuring that the first housing 120 and the second housing 140 can be connected through the connecting rod assembly 162.

[0083] In a specific embodiment, the connection component 160 is made of plastic material. During the vibration of the motor, the connection component 160 can produce a certain elastic deformation. It is not a completely rigid connection, and part of the vibration is offset during the elastic deformation of the connection component 160, thereby achieving a noise reduction effect.

[0084] Specifically, the connection component 160 and the second shell 140 adopt an integrally formed structure, which satisfies the structural strength and connection strength of the connection component 160, so that the connection component 160 and the second shell 140 have good mechanical properties and can play a role in noise reduction during the vibration transmission process.

[0085] In one embodiment of the present invention, Figure 6 As shown, the connecting rod assembly 162 includes: at least two first connecting rods 1622, the at least two first connecting rods 1622 are disposed on the second housing 140, and every two first connecting rods 1622 of the at least two first connecting rods 1622 are spaced apart from each other.

[0086] In this embodiment, the connecting rod assembly 162 includes a first connecting rod 1622, and the number of the first connecting rods 1622 is at least two. At least two first connecting rods 1622 are arranged on the second housing 140, so that the vibration of the motor can be transmitted to at least the first connecting rod 1622 through the second housing 140, wherein each two connecting rods of the at least two first connecting rods 1622 are arranged at intervals, so that there is a certain gap between each first connecting rod 1622, so that in the process of transmitting vibration, the vibration can be transmitted to the second housing 140 through the gap between each first connecting rod 1622, and part of the vibration amount is reduced in the process of transmission, and then the at least two first connecting rods 1622 arranged at intervals can play a certain role in reducing vibration. Moreover, the present application can reduce or attenuate part of the vibration energy through at least two first connecting members 164 in the process of transmitting vibration and noise by setting at least two first connecting rods 1622, so as to offset part of the vibration and noise, so that the connecting assembly 160 can play a certain effect of noise reduction and shock absorption.

[0087] Specifically, the number of at least two first connecting rods 1622 should not be too large, as too many first connecting rods 1622 will increase unnecessary product costs. Similarly, the number of at least two first connecting rods 1622 should not be too small, as too few connecting rods cannot ensure the connection strength between the connecting assembly 160 and the second shell 140, thereby affecting the connection strength between the first shell 120 and the second shell 140. The number of first connecting rods 1622 is reasonably set so that the connecting assembly 160 can achieve a good noise reduction effect while ensuring the connection strength. It is understandable that the number of specific connecting assemblies 160 can be adjusted accordingly according to actual conditions.

[0088] In one embodiment of the present invention, the number of the connecting members 164 is at least two, and the connecting member 164 is disposed at an end of the first connecting rod 1622 away from the second shell 140 .

[0089] In this embodiment, the connecting member 164 is arranged at one end of the connecting assembly 160 away from the second housing 140, and the connecting assembly 160 and the first housing 120 are connected by the connecting member 164, so that the vibration generated by the motor during operation is transmitted from the second housing 140 to the first housing 120, and then transmitted to the connecting member 164 by the connecting rod assembly 162, and then reaches the first housing 120. Since the connecting member 164 is arranged at one end away from the second housing 140, there is a certain distance, and a certain amount of vibration can be consumed during the transmission of the vibration, thereby achieving a certain noise reduction effect. The number of the connecting members 164 is at least two. Specifically, the number of the connecting members 164 is not easy to be set too much, so as to avoid too many connecting members 164 causing an increase in product costs. Similarly, the number of the connecting members 164 is not easy to be set or is small, so as to avoid the number of connecting members 164 affecting the connection strength between the connecting assembly 160 and the first housing 120. On the premise of ensuring the connection strength between the connecting assembly 160 and the first housing 120, the number of the connecting members 164 is reasonably set. The number of the connecting members 164 is set to at least two, three connecting members 164 can be provided, and four connecting members 164 can also be provided, and the same number of slots as the connecting members 164 are provided, so as to ensure the connection strength between the first housing 120 and the connecting assembly 160. It can be understood that the number of specific connecting members 164 and slots can be adjusted accordingly according to actual conditions.

[0090] In one embodiment of the present invention, the connecting rod assembly 162 further includes: a second connecting rod 1624 connected to an end of the first connecting rod 1622 away from the second shell 140 ; ​​and a connecting member 164 is disposed on the second connecting rod 1624 .

[0091] In this embodiment, the connecting rod assembly 162 also includes a second connecting rod 1624, and the connecting member 164 is arranged on the second connecting rod 1624. The second connecting rod 1624 is connected to the end of the first connecting rod 1622 away from the second shell 140, so that the vibration of the motor during operation is transmitted from the second shell 140 to the first connecting rod 1622 and then reaches the second connecting rod 1624. Since the connecting member 164 on the second connecting rod 1624 is connected to the slot of the first shell 120, the vibration generated by the motor is transmitted from the second shell 140 to the first shell 120. First, it is transmitted from the second shell 140 to the first connecting rod 1622 and then reaches the second connecting rod 1624. Then, it is transmitted from the second connecting rod 1624 to the connecting member 164 and then reaches the first shell 120, so that the vibration is reduced in the process of transmission, thereby gradually reducing the amount of noise, thereby achieving a noise reduction effect. Moreover, the connecting member 164 is arranged on the second connecting rod 1624 , which provides an installation space for the connecting member 164 . Similarly, the second connecting rod 1624 is connected to the first connecting rod 1622 , which ensures the connection strength of the connecting assembly 160 .

[0092] It is understandable that in the process of transmitting vibration, a certain elastic deformation can be generated by the first connecting rod 1622 and the second connecting rod 1624, and a part of the vibration and noise can be offset in the process of generating the elastic deformation. By providing two connecting rod structures, the first connecting rod 1622 and the second connecting rod 1624, a part of the vibration and noise can be offset in the process of transmitting vibration and noise, so that a certain noise reduction and vibration reduction effect can be achieved by providing the connecting assembly 160.

[0093] Specifically, the first connecting member 164 and the second connecting member 164 adopt an integrally formed structure, which satisfies the structural strength and connection strength of the connecting component 160, so that the connecting component 160 and the first shell 120 have good mechanical properties and can achieve a noise reduction effect during the vibration transmission process.

[0094] In a specific embodiment, the first connecting rod 1622 and the second connecting rod 1624 adopt a multi-rod parallel elastic support form to transmit the vibration of the motor, the airflow and the vibration of the sound wave radiation to a structure with high rigidity, thereby reducing the noise of the motor and achieving a noise reduction effect.

[0095] Embodiment 3

[0096] like Figure 3 , Figure 4 and Figure 5 As shown, a noise reduction structure is provided in the third embodiment of the present invention for an electric motor, comprising a first shell 120, a second shell 140 and a connecting assembly 160, wherein the accommodating cavity in the second shell 140 can accommodate the electric motor; both ends of the connecting assembly 160 are connected to the first shell 120 and the second shell 140, and the connecting assembly 160 can reduce the vibration transmitted from the second shell 140 to the first shell 120.

[0097] like Figure 3 As shown, the noise reduction structure further includes a shock absorbing assembly 180 disposed in the accommodating cavity, and the shock absorbing assembly 180 is located between the second housing 140 and the motor.

[0098] In this embodiment, the noise reduction component also includes a shock absorbing component 180. Specifically, the shock absorbing component 180 is arranged in the accommodating cavity, between the second shell 140 and the motor, so that the vibration generated by the motor in the working state is transmitted to the second shell 140 through the shock absorbing component 180. The shock absorbing component 180 can reduce the vibration generated by the motor, thereby playing a shock absorbing role in the process of transmitting the vibration to the second shell 140, thereby achieving a noise reduction effect.

[0099] In a specific embodiment, the shock absorbing component 180 is made of an elastic material, so that after the vibration is transmitted to the shock absorbing component 180, the shock absorbing component 180 generates elastic deformation, and offsets a certain amount of vibration during the elastic deformation process, thereby playing a role in shock absorption and achieving a noise reduction effect. Specifically, by providing the shock absorbing component 180, broadband noise is further reduced, thereby achieving a noise reduction effect.

[0100] like Figure 3 As shown, in one embodiment of the present invention, the second shell 140 includes a first sub-shell 142 and a second sub-shell 144, and the first sub-shell 142 and the second sub-shell 144 are detachably connected, and the shock absorbing assembly 180 includes: a first shock absorbing member 182, the first shock absorbing member 182 is located between the first sub-shell 142 and one end of the motor, and the first shock absorbing member 182 is in contact with the first sub-shell 142 and one end of the motor; a second shock absorbing member 184, the second shock absorbing member 184 is located between the second sub-shell 144 and the other end of the motor, and the second shock absorbing member 184 is in contact with the second sub-shell 144 and the other end of the motor.

[0101] In this embodiment, the second housing 140 includes a first sub-housing 142 and a second sub-housing 144. The shock absorbing assembly 180 includes a first shock absorbing member 182 and a second shock absorbing member 184. The first shock absorbing member 182 is arranged between the first sub-housing 142 and one end of the motor, so that the vibration generated by the motor during operation is transmitted from one end of the motor to the first sub-housing 142 after being damped by the first shock absorbing member 182. The second shock absorbing member 184 is arranged between the second sub-housing 144 and the other end of the motor, so that the vibration generated by the motor during operation is transmitted from the other end of the motor to the second sub-housing 144 after being damped by the second shock absorbing member 184. Therefore, by arranging the first shock absorbing member 182 and the second shock absorbing member 184 at both ends of the motor, the vibration amount can be reduced from the source, thereby further ensuring the noise reduction effect by reducing the vibration amount.

[0102] In a specific embodiment, the first shock absorber 182 and the second shock absorber 184 can be arranged at both ends of the axial direction of the motor to reduce the amount of noise generated in the axial direction of the motor. The first shock absorber 182 and the second shock absorber 184 are made of elastic material. The first shock absorber 182 is arranged between the first sub-housing 142 and one end of the motor, and the motor and the first sub-housing 142 are squeezed together by the first shock absorber 182. Since the elastic material can produce elastic deformation, the first shock absorber 182 can undergo elastic deformation during the vibration and extrusion of the motor, and offset part of the vibration during the extrusion and buffering process, thereby achieving the effect of noise reduction. Similarly, the second shock absorber 184 and the first shock absorber 182 use the same principle to offset vibration. Specifically, by setting the first shock absorber 182 and the second shock absorber 184, the broadband noise is further reduced, thereby achieving the effect of reducing noise. Thus, by setting the first shock absorber 182 and the second shock absorber 184 to achieve the effect of shock absorption, the amount of noise generated by the motor is reduced, the market competitiveness of the product is improved, and the user experience is improved.

[0103] like Figure 4 As shown, in one embodiment of the present invention, the first shock absorber 182 is provided with a first shock absorber cavity; the shock absorbing assembly 180 also includes: a sleeve 1822, which is arranged in the first shock absorber cavity, the sleeve 1822 is connected to the first shock absorber 182, the sleeve 1822 is connected to the motor, and a gap is provided between the sleeve 1822 and the first shock absorber 182.

[0104] In this embodiment, it is specifically defined that the first shock-absorbing member 182 is provided with a first shock-absorbing cavity, and the motor is located in the first shock-absorbing cavity of the first shock-absorbing member 182. Since the first shock-absorbing cavity is a cavity structure, the vibration generated by the motor during operation is transmitted from one end of the motor to the first vibration cavity, wherein the sleeve 1822 is arranged in the first vibration cavity and connected to the first shock-absorbing member 182, and a gap is provided between the sleeve 1822 and the first shock-absorbing member 182, thereby ensuring that the vibration is transmitted from the first shock-absorbing member 182 to the first shock-absorbing cavity during the transmission process, and the first shock-absorbing cavity drives the sleeve 1822 to vibrate. It is precisely because of the gap between the sleeve 1822 and the first shock-absorbing member 182 that the sleeve 1822 and the first shock-absorbing member 182 can offset part of the vibration through the gap during the vibration process, thereby playing a shock-absorbing role and achieving the effect of reducing noise. Specifically, the first shock absorbing member 182 is provided with a first shock absorbing cavity, and one end of the motor is arranged in the first shock absorbing cavity, so that the vibration inside the cavity can offset part of the vibration amount, thereby playing a shock absorbing role by reducing the vibration amount and achieving a noise reduction effect.

[0105] In a specific embodiment, the sleeve 1822 is made of an elastic material. Due to the elastic properties of the elastic material, the sleeve 1822 undergoes elastic deformation during the process of transmitting vibration, and in the process of elastic deformation, it offsets part of the vibration generated by the motor, thereby achieving a noise reduction effect by offsetting the vibration amount. Specifically, the sleeve 1822 and the first shock absorbing chamber adopt an integrally formed structure, that is, the connection assembly 160 and the structural strength and connection strength are met, thereby ensuring the shock absorbing effect of the first shock absorbing member 182 during the process of transmitting vibration, and achieving a noise reduction effect.

[0106] Specifically, the axial length of the first shock absorber 182 is greater than the length of one end of the motor in contact with the first shock absorber 182, so that the length of the first shock absorber cavity is greater than the length of one end of the motor connected to the first shock absorber 182, thereby ensuring that one end of the motor is located in the first shock absorber cavity, and the motor will not be in direct contact with the second shell 140, so that when the motor is in working state, a certain space is reserved to offset part of the vibration generated by the motor, thereby achieving the purpose of vibration reduction, thereby achieving the effect of shock reduction by reducing the vibration amount and achieving the effect of noise reduction.

[0107] like Figure 5 As shown, in one embodiment of the present invention, the shock absorbing assembly 180 further includes: a first positioning portion 1824 disposed on the first shock absorbing member 182 , and the first positioning portion 1824 abuts against the first sub-shell 142 .

[0108] In this embodiment, it is specifically defined that the first shock absorbing member 182 is provided with a first positioning portion 1824, and the first positioning portion 1824 abuts against the first sub-housing 142. Specifically, the first shock absorbing member 182 abuts against the first sub-housing 142 through the first positioning portion 1824, so that the vibration generated by the motor in the working state is transmitted from the first shock absorbing member 182 to the first sub-housing 142, and the vibration of the first shock absorbing member 182 is prevented from affecting the abutting relationship between the first sub-housing 142, thereby ensuring the shock absorbing effect of the first shock absorbing member 182. In the process of transmitting the vibration to the second housing 140, it is partially offset by the first shock absorbing member 182, thereby achieving the purpose of shock absorption and achieving the effect of noise reduction.

[0109] In one embodiment of the present invention, the second sub-shell 144 is provided with a positioning hole, and the shock absorbing assembly 180 further includes at least two second positioning portions 1842 disposed on the second shock absorbing member 184 , and the second positioning portions 1842 are plugged into the positioning hole.

[0110] In this embodiment, at least two second positioning parts 1842 are provided on the second shock absorber 184, and a positioning hole is provided on the adapted second housing 140, wherein the positioning hole matches the shape of the at least two second positioning parts 1842, so that the second positioning part 1842 can be inserted into the positioning hole, and the second shock absorber 184 is positioned, thereby ensuring the connection between the second shock absorber 184 and the second sub-housing 144, thereby avoiding the unstable connection between the second shock absorber 184 and the second sub-housing 144, resulting in relative displacement between the second shock absorber 184 and the second sub-housing 144. Specifically, the number of the second positioning parts 1842 is the same as the number of the positioning holes. It is not easy to set too many positioning holes to avoid too many positioning holes affecting the structural strength of the second sub-housing 144. Similarly, it is not easy to set too few positioning holes to avoid too few positioning holes failing to stably connect the second shock absorber 184 and the second housing 140. Under the premise of ensuring the connection strength, the proficiency of the second positioning parts 1842 and the positioning holes is reasonably set. The number of the second positioning parts 1842 is at least two, and the number of the positioning holes is also at least two. The number of the second positioning parts 1842 can be three, and the number of the positioning holes can be three; the number of the second positioning parts 1842 can be four, and the number of the positioning holes can be four. It is understandable that the second positioning parts 1842 and the positioning holes can also be set to other numbers, and the specific number can be adjusted accordingly according to actual conditions.

[0111] Specifically, at least two second shock absorbing parts and the second shock absorbing member 184 adopt an integrally formed structure, which satisfies the structural strength and connection strength of the second shock absorbing member 184, and enables the second shock absorbing member 184 and the second shock absorbing part to have good mechanical properties and can achieve shock absorption and noise reduction effects during vibration transmission.

[0112] In one embodiment of the present invention, the shock absorbing assembly 180 includes a second shock absorbing chamber 1844 disposed in the second positioning portion 1842 .

[0113] In this embodiment, it is specifically defined that the second positioning portion 1842 is provided with a second shock absorbing cavity 1844, so that the second positioning portion 1842 has a cavity structure. When the motor generates vibration in a working state and the vibration is transmitted to the second sub-shell 144 via the second vibrating member, the vibration is transmitted to the second sub-shell 144 through the second positioning portion 1842 having the second shock absorbing cavity 1844. Since the second positioning portion 1842 is provided with the second shock absorbing cavity 1844 structure, a certain elastic deformation can be generated during the vibration transmission and the squeezing process, thereby avoiding the rigid connection between the second positioning portion 1842 and the second sub-shell 144, thereby better offsetting part of the vibration amount during the vibration transmission process and achieving the noise reduction effect.

[0114] In one embodiment of the present invention, the noise reduction structure further includes: an exhaust hole, which is disposed in the second housing 140, and the axis of the exhaust hole is parallel to the axis of the output shaft of the motor.

[0115] In this embodiment, it is specifically defined that the second housing 140 is provided with an exhaust hole for exhausting air, so that the airflow generated by the motor during operation can be discharged through the exhaust hole to achieve a heat dissipation effect. Moreover, the axis of the exhaust hole is parallel to the output axis of the motor, so that the flow direction of the airflow can be adjusted.

[0116] The motor will drive the air flow, and the air inside the motor will flow out from the side wall of the motor and flow along the inner wall of the second shell 140 in the direction of the exhaust hole, so that the flowing air is discharged from the exhaust hole. During the air flow, it will not contact the inside of the first shell 120, reducing the noise generated by the vibration of the first shell 120 driven by the air flow. In addition, the first shell 120 and the second shell 140 are connected by a connecting assembly 160, and the vibration of the first shell 120 is transmitted to the second shell 140 through the connecting assembly 160, which improves the airtightness and avoids the airflow from returning to the second shell 140 to cause airflow noise. Under the premise of ensuring the heat dissipation effect of the motor, the noise is further reduced and the stability of the noise reduction structure is improved.

[0117] Embodiment 4

[0118] like Figure 2 As shown, a noise reduction structure is provided in the fourth embodiment of the present invention for an electric motor, comprising a first shell 120, a second shell 140 and a connecting assembly 160, wherein the accommodating cavity in the second shell 140 can accommodate the electric motor; both ends of the connecting assembly 160 are connected to the first shell 120 and the second shell 140, and the connecting assembly 160 can reduce the vibration transmitted from the second shell 140 to the first shell 120.

[0119] The first shell 120 includes: a third sub-shell 122; and an exhaust hood 124 detachably connected to the third sub-shell 122. The second end of the connecting assembly 160 is connected to the third sub-shell 122 and / or the exhaust hood 124.

[0120] In this embodiment, the first shell 120 includes a third sub-shell 122 and an exhaust hood 124, and the second end of the connecting component 160 is connected to the third sub-shell 122 and the exhaust hood 124, so that the vibration generated by the motor in the working state is transmitted to the third sub-shell 122 and the exhaust hood 124 via the connecting component 160, so that the vibration is partially offset during the transmission process, which plays a shock-absorbing role, thereby achieving a noise reduction effect.

[0121] The second end of the connecting component 160 is connected to the third sub-housing 122 or the exhaust cover 124, so that the vibration generated by the motor in the working state is transmitted to the third sub-housing 122 or the exhaust cover 124 via the connecting component 160, so that the vibration is partially offset during the transmission process, playing a shock-absorbing role, thereby achieving a noise reduction effect. Figure 2 As shown, the exhaust air flow direction of the exhaust hood 124 is shown.

[0122] Specifically, by using multiple sections of the shock absorbing assembly 180 at both ends of the motor, there is no rigid connection between the shock absorbing assembly 180 and the exhaust cover 124 of the motor, thereby improving the axial shock absorbing performance of the motor.

[0123] Furthermore, the exhaust cover 124 has a certain cavity and forms a ventilation structure, so that during the transmission of vibration, the exhaust cover 124 can ventilate and dissipate heat while the cavity can offset part of the vibration. Thus, the purpose of shock absorption is achieved by offsetting the vibration, thereby reducing the effect of noise, further reducing noise, improving the market competitiveness of the product, and improving the user experience.

[0124] like Figure 3 The figure shows an exploded view of the noise reduction structure in the present application. The noise reduction structure can prevent sound waves and airflow from directly exciting the motor housing, reducing airflow noise and low-frequency noise. Specifically, the noise reduction structure can reduce the impact of motor vibration on housing vibration and noise, and prevent concentrated frequency energy from generating abnormal noise.

[0125] Embodiment 5

[0126] A fifth embodiment of the present invention provides a household appliance, that is, the household appliance includes the noise reduction structure provided in any of the above embodiments, and thus has all the beneficial technical effects of the noise reduction structure, which will not be described in detail here.

[0127] In one embodiment of the present invention, the household appliance includes a motor, and the noise reduction structure is connected to the motor.

[0128] In this embodiment, the noise reduction component and the motor reduce the noise generated during the operation of the motor through the noise reduction component, thereby achieving the purpose of noise reduction, improving user experience, and enhancing product market competitiveness.

[0129] In one embodiment of the present invention, the household electrical appliances include a vacuum cleaner, a blender, and a fan.

[0130] It is understandable that the above-mentioned selection of household appliances is not restrictive. Without departing from the spirit of the present application and the scope of protection of the claims, the household appliances can also be configured in other forms, all of which are within the protection of the present application.

[0131] Additional aspects and advantages according to the present invention will be given in part in the following description, and in part will be obvious from the following description, or will be learned through practice of the present invention.

[0132] In the present invention, the term "plurality" refers to two or more than two, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0133] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0134] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A noise reduction structure for an electric motor, characterized in that: include: a first shell; A second housing is disposed inside the first housing, the second housing is provided with a receiving cavity, and the receiving cavity can receive the motor; a connecting component, wherein a first end of the connecting component is connected to the second shell, a second end of the connecting component is connected to the first shell, and the connecting component can reduce vibration transmitted from the second shell to the first shell; The first housing is provided with a slot, and the connecting assembly comprises: a connecting rod assembly, a first end of the connecting rod assembly being connected to the second housing; A connecting member, the connecting member being arranged at the second end of the connecting rod assembly, the connecting rod assembly being connected to the first housing through the connecting member and the slot; Wherein, the connecting assembly and the second shell adopt an integrally formed structure; The connecting rod assembly comprises: At least two first connecting rods, the at least two first connecting rods are arranged on the second shell, and every two first connecting rods of the at least two first connecting rods are arranged at intervals from each other; The number of the connecting members is at least two, and the connecting members are arranged at one end of the first connecting rod away from the second shell; The connecting rod assembly also includes: a second connecting rod, the second connecting rod being connected to an end of the first connecting rod away from the second housing, the second connecting rod and the first connecting rod being integrally formed; The connecting member is arranged on the second connecting rod.

2. The noise reduction structure according to claim 1, characterized in that: The noise reduction structure also includes: The shock absorbing assembly is arranged in the accommodating cavity, and the shock absorbing assembly is located between the second shell and the motor.

3. The noise reduction structure according to claim 2, characterized in that: The second housing includes a first sub-housing and a second sub-housing, the first sub-housing and the second sub-housing are detachably connected, and the shock absorbing assembly includes: a first shock absorbing member, the first shock absorbing member being located between the first sub-housing and one end of the motor, the first shock absorbing member being in contact with the first sub-housing and one end of the motor; A second shock absorbing member is located between the second sub-housing and the other end of the motor, and the second shock absorbing member is in contact with the second sub-housing and the other end of the motor.

4. The noise reduction structure according to claim 3, characterized in that: The first shock absorbing member is provided with a first shock absorbing cavity; The shock absorbing assembly also includes: A sleeve is arranged in the first shock absorbing cavity, the sleeve is connected to the first shock absorbing member, the sleeve is connected to the motor, and a gap is arranged between the sleeve and the first shock absorbing member.

5. The noise reduction structure according to claim 4, characterized in that: The shock absorbing assembly also includes: The first positioning portion is arranged on the first shock absorbing member, and the first positioning portion abuts against the first sub-shell.

6. The noise reduction structure according to claim 3, characterized in that: The second sub-housing is provided with a positioning hole, and the shock absorbing assembly further comprises: At least two second positioning parts are arranged on the second shock absorbing member, and the second positioning parts are plugged into the positioning holes.

7. The noise reduction structure according to claim 6, characterized in that: The shock absorbing assembly comprises: The second shock absorbing chamber is arranged in the second positioning portion.

8. The noise reduction structure according to claim 1, characterized in that: The noise reduction structure also includes: An exhaust hole is arranged in the second shell, and the axis of the exhaust hole is parallel to the axis of the output shaft of the motor.

9. The noise reduction structure according to claim 1, characterized in that: The first housing comprises: The third subshell; An exhaust hood is detachably connected to the third sub-shell, and the second end of the connecting assembly is connected to the third sub-shell and / or the exhaust hood.

10. A household appliance, characterized in that: include: Electric motor; The noise reduction structure according to any one of claims 1 to 9, wherein the noise reduction structure is connected to the motor.

11. The household appliance according to claim 10, characterized in that: The household electrical appliances include vacuum cleaners, blenders, and fans.

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