Noise-reduction food processor

Abstract

The utility model discloses a noise reduction food processor which comprises a main machine with a mounting cavity, the main machine is provided with a panel, a circuit board assembly is arranged in the mounting cavity and comprises a circuit board and a light gathering support, the light gathering support is provided with a plurality of axially-through guide columns, the circuit board is provided with a plurality of springs, the circuit board assembly further comprises a separator, and the separator is arranged on the panel. The isolation piece is clamped between the panel and the light gathering support and comprises a plurality of axially-through isolation columns, at least part of the guide columns and the springs are arranged in a one-to-one correspondence mode, the guide columns cover the outer sides of the springs, and the isolation columns are embedded in the inner sides of the guide columns to isolate the springs from the guide columns and isolate the springs from the panel. The spring and the condensation support and the spring and the panel are isolated through the isolation pieces, the situation that the spring collides with the condensation support and the panel to generate abnormal sound can be effectively prevented, the isolation pieces are small in size, few materials are used when soft rubber materials are adopted, and cost can be saved.

Description

Technical Field

[0001] The utility model relates to the field of food processing machines, in particular to a noise-reducing food processing machine. Background Art

[0002] The food processing machine generally has an operation area for users to operate on the main unit. Common configurations include light-touch buttons, touch buttons, etc. For example, for touch buttons, a circuit board and a focusing bracket adapted to the circuit board are provided on the inner side of the corresponding operation panel of the main unit. A spring (forming a key spring) is provided on the circuit board. When in use, the vibration of the spring will hit the focusing bracket and the panel to cause abnormal noise, which is not conducive to noise reduction.

[0003] In order to solve the above problems, the prior art, such as the solution disclosed in patent CN 211858041 U, has a display assembly including a circuit board and a light blocking member (equivalent to a focusing bracket), a spring is provided on the circuit board, and the light blocking member is made of plastic. The light blocking member is replaced with a soft rubber material as a whole. Although it can absorb the impact of the spring during use to reduce noise and alleviate abnormal noise, the light blocking member as a whole uses a lot of soft rubber material, which leads to increased costs and is not conducive to expanding production and improving product competitiveness. In addition, there is still the problem of the spring hitting the panel upward, resulting in increased noise, which is not conducive to noise reduction during machine operation. Utility Model Content

[0004] In order to solve the technical problems in the prior art that the focusing bracket is made of soft rubber material as a whole to avoid the spring from hitting the focusing bracket, resulting in high cost, and it is difficult to avoid the spring from hitting the panel, resulting in increased noise, the utility model provides a noise-reducing food processing machine, which uses an isolation piece to isolate the spring and the focusing bracket, the spring and the panel, and can effectively prevent the spring from hitting the focusing bracket and the panel to produce abnormal noise, and the isolation piece is relatively small in size, uses less material when using soft rubber material, and has low cost.

[0005] The utility model discloses a noise-reducing food processing machine, comprising a main machine formed with an installation cavity, the main machine being provided with a panel, a circuit board assembly being provided in the installation cavity, the circuit board assembly comprising a circuit board and a focusing bracket, the focusing bracket being provided with a plurality of axially penetrating guide posts, the circuit board being provided with a plurality of springs, the circuit board assembly further comprising an isolating member, the isolating member being clamped between the panel and the focusing bracket, the isolating member comprising a plurality of axially penetrating isolating posts, at least some of the guide posts being arranged in a one-to-one correspondence with the springs, the guide post cover being provided on the outer side of the spring, the isolating post being embedded in the inner side of the guide post to isolate the spring from the guide post and to isolate the spring from the panel.

[0006] The noise-reducing food processing machine of the utility model also has the following additional technical features:

[0007] Adjacent isolation columns are connected by connecting ribs.

[0008] The adjacent guide pillars are connected via a connecting groove, and the connecting ribs are plug-fitted into the connecting groove.

[0009] The isolation member comprises a plate body, and a plurality of isolation columns are protruded outwardly extending from one side of the plate body.

[0010] The plurality of isolation columns are independently arranged, and the top edge of each isolation column is provided with an annular rim extending radially outward, and the annular rim overlaps the top of the guide column.

[0011] The top of the isolation column is provided with a first opening, the first opening is provided with a flange extending inwardly, and the top end of the spring abuts against the flange.

[0012] The inner diameter of the isolation column increases from top to bottom, so that the spring is loosely matched with a portion of the inner wall of the isolation column.

[0013] The inner wall of the guide column is provided with a limiting portion protruding inwardly, and the bottom end of the isolation column abuts against the limiting portion.

[0014] The isolating member is a soft rubber member, and the hardness of the focusing bracket is greater than the hardness of the isolating member.

[0015] The circuit board is provided with a light-emitting component on the inner side of the spring, and a film is provided on the outer side of the panel. The light-emitting component is used to illuminate an icon on the film corresponding to the spring.

[0016] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0017] 1. The noise-reducing food processing machine of the utility model, in order to solve the technical problems in the prior art that the focusing bracket is made of soft rubber material as a whole to avoid the spring from hitting the focusing bracket, resulting in high cost, and it is difficult to avoid the spring from hitting the panel, resulting in increased noise, the application sets an isolation member between the panel and the focusing bracket, and the isolation member is located between the spring and the guide column at the same time, so that the spring can be prevented from hitting the focusing bracket and the panel at the same time. Using the isolation member to absorb vibration can effectively solve the problem of generating abnormal noise, and can enhance the user experience.

[0018] The isolating element is in the form of multiple isolating columns, which are small in size and use less material, thus reducing costs. The isolating columns can be arranged in accordance with the positions and numbers of the guide columns, and the use of isolating columns can be adaptively increased or decreased, thus improving the flexibility of the structural configuration.

[0019] 2. As a preferred embodiment, the adjacent isolation columns are connected by connecting ribs. Thus, two or more isolation columns are connected and arranged, which can simplify the assembly steps and is convenient to use compared with installing a single isolation column one by one.

[0020] As a preferred embodiment of the present embodiment, the adjacent guide posts are connected by a connecting groove, and the connecting rib is plugged into the connecting groove. By connecting two or more guide posts, processing is facilitated and the length of the focusing bracket is reduced. At the position of the connecting groove, the spring can be prevented from deviating from the axial direction and falling to one side of the connecting groove due to the shielding of the isolation column, which can cause the pressing failure. That is, the isolation column can play a role of radial limiting. At the same time, when there is a light-emitting part inside the spring after the isolation column is surrounded, light leakage at the position of the connecting groove can be avoided; when the isolation column is inserted, the position of the connecting groove can just avoid the connecting rib, so that the isolation column can be installed smoothly.

[0021] As a preferred embodiment of the present embodiment, the isolation member includes a plate body, and a plurality of isolation posts are protruded outwardly from one side of the plate body. In this embodiment, the isolation member is an integral structural member, and the plate body can not only overlap with the guide posts, but also improve the overall strength of the isolation member, prevent the spring from frequently hitting the isolation member and causing the installation position thereof to become loose, and improve the stability of its installation and use.

[0022] 3. As a preferred embodiment, the plurality of isolation columns are independently arranged, and the top edge of each isolation column is provided with an annular rim extending radially outward, and the annular rim overlaps the top of the guide column. In this embodiment, the plurality of isolation columns are independently arranged, which is convenient for arranging the isolation columns corresponding to the positions of the springs, and the isolation columns are flexibly allocated to minimize the usage, further saving costs, and the setting of the annular rim provides conditions for the installation of the isolation columns, which is conducive to maintaining the stability of the isolation columns in the axial direction and improving the reliability of use.

[0023] 4. As a preferred embodiment, the isolation column has a first opening at the top, and a flange extending inward is provided at the first opening, and the top end of the spring abuts against the flange. Thus, the panel and the spring can be isolated by the flange, and when the spring bounces upward, it will contact the flange, and the flange absorbs vibration to avoid the spring hitting the panel and generating abnormal noise, thereby improving the noise reduction effect.

[0024] 5. As a preferred embodiment, the inner diameter of the isolation column increases from top to bottom, so that the spring and part of the inner wall of the isolation column are in clearance. Therefore, during the spring's up and down bouncing, the narrow space inside the isolation column can be prevented from affecting the axial deformation of the spring and causing the spring to fail under pressure, ensuring that the spring can be extended and retracted freely; the spring does not completely fit the inner wall of the isolation column along the circumferential direction, which can avoid the frequent movement of the spring and excessive friction with the inner wall of the isolation column, causing the isolation column to loosen, and ensure the stability of the isolation column.

[0025] 6. As a preferred embodiment, the inner wall of the guide column is provided with a limit portion protruding inward, and the bottom end of the isolation column abuts against the limit portion. Thus, the axial installation position of the isolation column is limited by the limit portion, which can improve its installation stability, and the isolation column is supported on the limit portion to avoid falling off, and is reliable in use.

[0026] 7. As a preferred embodiment, the spacer is a soft rubber part, and the hardness of the focusing bracket is greater than that of the spacer. This application uses a soft rubber part for the relatively small spacer, which uses less material than the whole focusing bracket using soft rubber material, and can greatly reduce costs.

[0027] 8. As a preferred embodiment, the circuit board is provided with a light-emitting element on the inner side of the spring, and a film is provided on the outer side of the panel, and the light-emitting element is used to illuminate the icon on the film corresponding to the spring. The light-emitting element illuminates and displays the touch-input icon, which increases the visual effect and improves the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0029] Figure 1 A schematic diagram of the structure of a host in one implementation mode of the present application.

[0030] Figure 2 for Figure 1 An exploded diagram of the host and its internal structure.

[0031] Figure 3 This is a schematic structural diagram of a circuit board assembly according to one embodiment of the present application.

[0032] Figure 4 for Figure 3 Exploded diagram of a circuit board assembly.

[0033] Figure 5 This is a schematic diagram of the structure of a focusing bracket according to one embodiment of the present application.

[0034] Figure 6 This is a schematic diagram of the structure of an isolation element in one embodiment of the present application.

[0035] Figure 7 A schematic cross-sectional view of the interior of a host according to an embodiment of the present application.

[0036] Figure 8 for Figure 7 A magnified schematic diagram of the structure in the middle.

[0037] Reference numerals:

[0038] 10. Host; 11. Panel; 12. Circuit board assembly; 13. Circuit board; 14. Focusing bracket; 15. Isolation piece; 16. Guide column; 17. Spring; 18. Isolation column; 101. Upper shell; 102. Base; 103. Screw; 161. Connecting groove; 181. Connecting rib; 182. Plate; 183. Flanging; 162. Limiting part; 19. Film. DETAILED DESCRIPTION

[0039] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0040] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. 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.

[0041] It should be noted that many specific details are set forth in the following description 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.

[0042] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0044] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through a transition structure, but are only connected to form a whole through a connecting structure. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0045] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" 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 utility model. 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 may be combined in an appropriate manner in any one or more embodiments or examples.

[0046] like Figures 1 to 8 As shown, the present application provides a noise-reducing food processing machine, comprising a main unit 10 formed with an installation cavity, the main unit 10 being provided with a panel 11, a circuit board assembly 12 being provided in the installation cavity, the circuit board assembly 12 comprising a circuit board 13 and a focusing bracket 14, the focusing bracket 14 being provided with a plurality of axially penetrating guide posts 16, the circuit board 13 being provided with a plurality of springs 17, the circuit board assembly 12 further comprising an isolating member 15, the isolating member 15 being clamped between the panel 11 and the focusing bracket 14, the isolating member 15 comprising a plurality of axially penetrating isolating posts 18, at least some of the guide posts 16 being arranged in one-to-one correspondence with the springs 17, the guide posts 16 being covered on the outside of the springs 17, the isolating posts 18 being embedded in the inside of the guide posts 16 to isolate the springs 17 from the guide posts 16, and to isolate the springs 17 from the panel 11.

[0047] The noise-reducing food processing machine of the present invention solves the technical problems in the prior art that the focusing bracket 14 is made of soft rubber material as a whole to avoid the spring 17 from hitting the focusing bracket 14, resulting in high cost, and it is difficult to avoid the spring 17 from hitting the panel 11, resulting in increased noise. In this application, an isolation member 15 is set between the panel 11 and the focusing bracket 14. The isolation member 15 is located between the spring 17 and the guide column 16 at the same time, so that the spring 17 can be prevented from hitting the focusing bracket 14 and the panel 11 at the same time. The isolation member 15 is used to absorb vibration, which can effectively solve the problem of generating abnormal noise and enhance the user experience.

[0048] The isolating member 15 is in the form of a plurality of isolating columns 18, which are small in size and require less material, thus reducing costs. The isolating columns 18 can be arranged in accordance with the positions and number of the guide columns 16, and the use of the isolating columns 18 can be adaptively increased or decreased, thus improving the flexibility of the structural configuration.

[0049] like Figure 2 As shown, the host 10 includes an upper shell 101 and a base 102. The upper shell 101 and the base 102 enclose an installation cavity, and a motor is arranged in the installation cavity. The food processor includes a cup assembly. When the cup assembly is placed in the host 10, the crushing cutter of the cup assembly is coupled with the motor to drive the crushing cutter to rotate and cut the food. The front end of the upper shell 101 is provided with a panel 11, and the panel 11 is provided with an operation area for user operation. The circuit board assembly 12 is arranged on the inner side of the panel 11 to sense user operation and provide display feedback. Figure 7 and Figure 8 As shown, the isolation member 15 is sandwiched between the panel 11 and the focusing bracket 14, and the lower end of the isolation column 18 extends into the guide column 16, so that the isolation column 18 can simultaneously isolate the spring 17 from the panel 11 and the spring 17 from the guide column 16. The isolation member 15 is made of soft rubber material, and the vibration of the spring 17 can be absorbed by the isolation member 15 when it bounces, so as to achieve noise reduction.

[0050] Further, at least part of the guide posts 16 and the springs 17 are arranged in a one-to-one correspondence, which means that only part of the guide posts 16 are provided with springs 17 inside, or all the guide posts 16 are provided with springs 17 inside, and the configuration is performed according to the required number of keys, for example, some guide posts 16 are provided with springs 17 inside, and the panels 11 corresponding to these guide posts 16 are provided with key icons, so that touch keys for user operation are formed at these positions; other guide posts 16 are not provided with springs 17 inside, and the guide posts 16 are provided with light-emitting parts inside, in which case the guide posts 16 play the role of focusing light and reducing light leakage. Further, multiple isolation posts 18 can be provided in one piece or in separate pieces, so as to minimize the usage according to actual needs.

[0051] like Figures 2 to 4As shown, the circuit board 13 and the focusing bracket 14 can be fixed by screws 103. After the isolation member 15 is inserted, the overall structure formed by the isolation member 15, the focusing bracket 14 and the circuit board 13 can be fixed to the inner surface of the panel 11 by screws 103.

[0052] As a preferred implementation, adjacent isolation columns 18 are connected via connecting ribs 181 .

[0053] Compared with installing a single isolation column 18 one by one, the connection arrangement of two or more isolation columns 18 can simplify the assembly steps and facilitate use.

[0054] like Figure 6 As shown, five isolation columns 18 are connected and arranged, and the isolation member 15 is an integral member, which can be inserted as a whole and is easy to operate.

[0055] Furthermore, the isolation member 15 includes a plate body 182, and a plurality of isolation columns 18 are protruded outwardly from one side of the plate body 182. In this embodiment, the isolation member 15 is an integral structural member. In addition to being able to overlap with the guide column 16, the plate body 182 can also improve the overall strength of the isolation member 15, prevent the spring 17 from frequently hitting the isolation member 15 and causing the installation position of the isolation member 15 to become loose, and improve its installation and use stability. Figure 3 and Figure 6 As shown, the plate body 182 is in the shape of an elongated strip and is integrally overlapped on the top of the guide column 16, so that it is securely installed. Moreover, the upper surface of the plate body 182 can increase the contact area with the panel 11, which is beneficial to improving the soft contact effect between components.

[0056] In one embodiment, adjacent guide pillars 16 are connected via a connecting groove 161 , and the connecting rib 181 is plug-fitted into the connecting groove 161 .

[0057] By connecting two or more guide pillars 16, it is easy to process and helps to reduce the length of the focusing bracket 14. At the position of the connecting groove 161, due to the obstruction of the isolation column 18, the spring 17 can be prevented from deviating from the axial direction and leaning toward the side of the connecting groove 161 to cause pressing failure, that is, the isolation column 18 can play a role of radial limiting. At the same time, after the isolation column 18 is surrounded, when there is a light-emitting part on the inner side of the spring 17, light leakage at the position of the connecting groove 161 can be avoided; when the isolation column 18 is inserted, the position of the connecting groove 161 can just avoid the connecting rib 181, so that the isolation column 18 can be installed smoothly.

[0058] like Figure 4 and Figure 5As shown, the focusing bracket 14 is provided with five guide posts 16 arranged along its length direction, and the five guide posts 16 are connected to each other, which can reduce the gap between adjacent guide posts 16, and is conducive to reducing the overall length of the focusing bracket 14. Each guide post 16 forms a notch at the position of the connecting groove 161 in the circumferential direction to reduce the contact area with the spring 17, and the isolation column 18 is a continuous structure in the circumferential direction and can surround the spring 17 in the circumferential direction, which not only plays the role of guiding the movement of the spring 17, but also can fully isolate the spring 17 and the guide post 16. Among them, multiple isolation columns 18 can adopt an integrated structure to be inserted as a whole, or multiple isolation columns 18 can be independently arranged one by one to be inserted into the corresponding guide column 16 individually.

[0059] As a preferred implementation, the plurality of isolation columns 18 are independently arranged, and the top edge of each isolation column 18 is provided with an annular rim extending radially outward, and the annular rim overlaps the top of the guide column 16 .

[0060] In this embodiment, multiple isolation columns 18 are independently arranged to facilitate the arrangement of isolation columns 18 corresponding to the position of spring 17, so as to flexibly distribute isolation columns 18 to minimize usage and further save costs. The setting of the annular edge provides conditions for the installation of isolation columns 18, which is beneficial to maintaining the stability of isolation columns 18 in the axial direction and improving the reliability of use.

[0061] Exemplarily, the focusing bracket 14 is provided with five guide pillars 16. When the inner sides of the five guide pillars 16 are all provided with springs 17, five isolation pillars 18 are also provided, which are respectively provided in a one-to-one correspondence with the five guide pillars 16. Alternatively, in other examples, the focusing bracket 14 is provided with five guide pillars 16, the inner side of the middle guide pillar 16 is not provided with a spring 17, and four isolation pillars 18 are provided, which are respectively provided in a one-to-one correspondence with the four guide pillars 16 provided with springs 17. Alternatively, in other examples, the focusing bracket 14 is provided with five guide pillars 16, the inner sides of the two guide pillars 16 at the ends and the middle guide pillar 16 are provided with springs 17, and three isolation pillars 18 are provided, which are respectively provided in a one-to-one correspondence with the three guide pillars 16 provided with springs 17. That is, the number and distribution of the isolation pillars 18 can be adjusted according to actual needs, and can be used flexibly.

[0062] As a preferred embodiment, a first opening is provided at the top of the isolation column 18 , and a flange 183 extending inward is provided at the first opening, and the top end of the spring 17 abuts against the flange 183 .

[0063] like Figure 8 As shown, the panel 11 and the spring 17 can be isolated by the flange 183. When the spring 17 bounces upward, it will contact the flange 183. The flange 183 absorbs vibration to prevent the spring 17 from hitting the panel 11 and producing abnormal noise, thereby improving the noise reduction effect.

[0064] As a preferred implementation, the inner diameter of the isolation column 18 increases from top to bottom, so that the spring 17 is clearance-matched with a portion of the inner wall of the isolation column 18 .

[0065] During the up and down bouncing process of the spring 17, the narrow internal space of the isolation column 18 can be prevented from affecting the axial deformation of the spring 17 and causing pressing failure, thereby ensuring that the spring 17 can be freely extended and retracted; the spring 17 does not completely fit the inner wall of the isolation column 18 along the circumferential direction, thereby preventing the frequent movement of the spring 17 and excessive friction with the inner wall of the isolation column 18 causing the isolation column 18 to loosen, thereby ensuring the stability of the isolation column 18.

[0066] As a preferred embodiment, the inner wall of the guide column 16 is provided with a limiting portion 162 protruding inwardly, and the bottom end of the isolation column 18 abuts against the limiting portion 162 .

[0067] like Figure 8 As shown, limiting the axial installation position of the isolation column 18 by the limiting portion 162 can improve its installation stability, and the isolation column 18 is supported on the limiting portion 162 to avoid falling off, and is reliable in use.

[0068] As a preferred embodiment, the isolating member 15 is a soft rubber member, and the hardness of the focusing bracket 14 is greater than the hardness of the isolating member 15. In the present application, the relatively small isolating member 15 is made of a soft rubber member, which uses less material than the focusing bracket 14, and can greatly reduce the cost. The focusing bracket 14 is made of, for example, plastic material, and its hardness is greater than that of the isolating member 15.

[0069] As a preferred embodiment, the circuit board 13 is provided with a light-emitting element on the inner side of the spring 17 , and the panel 11 is provided with a film 19 on the outer side, and the light-emitting element is used to illuminate an icon on the film 19 corresponding to the spring 17 .

[0070] like Figure 2 As shown, when the light-emitting element is lit, its light can pass through the guide column 16 of the focusing bracket 14 and through the panel 11 to the corresponding icon on the film 19, which adds visual feedback to the user's operation and improves the user's experience. For example, initially, all buttons corresponding to the icons are in the same color. When the user presses a button, the color of the icon corresponding to the button changes, so that the user can more intuitively determine the operation to be performed according to the color change, which has the effect of reminding the user and ensuring that the user selects the required working mode.

[0071] The technical solution protected by the present utility model is not limited to the above-mentioned embodiments. It should be pointed out that the combination of the technical solution of any embodiment with the technical solution of one or more other embodiments is within the protection scope of the present utility model. Although the present utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to it based on the present utility model. Therefore, these modifications or improvements made without departing from the spirit of the present utility model are within the scope of protection claimed by the present utility model.

Claims

1. A noise-reducing food processor, comprising a main machine with a mounting cavity, the main machine having a panel, a circuit board assembly in the mounting cavity, the circuit board assembly comprising a circuit board and a focusing bracket, the focusing bracket having a plurality of axially penetrating guide posts, the circuit board having a plurality of springs, characterized in that: The circuit board assembly also includes an isolating member, which is clamped between the panel and the focusing bracket. The isolating member includes a plurality of axially penetrating isolating columns, at least some of the guide columns are arranged in a one-to-one correspondence with the springs, the guide column cover is arranged on the outside of the spring, and the isolating column is embedded on the inside of the guide column to isolate the spring from the guide column and the spring from the panel.

2. A noise-reducing food processor according to claim 1, characterized in that: Adjacent isolation columns are connected by connecting ribs.

3. A noise-reducing food processor according to claim 2, characterized in that: The adjacent guide pillars are connected via a connecting groove, and the connecting ribs are plug-fitted into the connecting groove.

4. A noise-reducing food processor according to claim 2, characterized in that: The isolation member comprises a plate body, and a plurality of isolation columns are protruded outwardly extending from one side of the plate body.

5. A noise-reducing food processor according to claim 1, characterized in that: The plurality of isolation columns are independently arranged, and the top edge of each isolation column is provided with an annular rim extending radially outward, and the annular rim overlaps the top of the guide column.

6. A noise-reducing food processing machine according to claim 1, characterized in that: The top of the isolation column is provided with a first opening, the first opening is provided with a flange extending inwardly, and the top end of the spring abuts against the flange.

7. A noise-reducing food processor according to claim 1, characterized in that: The inner diameter of the isolation column increases from top to bottom, so that the spring is loosely matched with a portion of the inner wall of the isolation column.

8. The noise-reducing food processing machine according to claim 1, characterized in that: The inner wall of the guide column is provided with a limiting portion protruding inwardly, and the bottom end of the isolation column abuts against the limiting portion.

9. The noise-reducing food processing machine according to claim 1, characterized in that: The isolating member is a soft rubber member, and the hardness of the focusing bracket is greater than the hardness of the isolating member.

10. The noise-reducing food processing machine according to claim 1, characterized in that: The circuit board is provided with a light-emitting component on the inner side of the spring, and a film is provided on the outer side of the panel. The light-emitting component is used to illuminate an icon on the film corresponding to the spring.

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