CN107468040B - Sound insulation cover with vibration and noise reduction, vortex eliminating and flow guiding functions - Google Patents
Sound insulation cover with vibration and noise reduction, vortex eliminating and flow guiding functions Download PDFInfo
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- CN107468040B CN107468040B CN201710936853.XA CN201710936853A CN107468040B CN 107468040 B CN107468040 B CN 107468040B CN 201710936853 A CN201710936853 A CN 201710936853A CN 107468040 B CN107468040 B CN 107468040B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J19/00—Household machines for straining foodstuffs; Household implements for mashing or straining foodstuffs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
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Abstract
The invention discloses a sound insulation cover with the functions of damping, reducing noise and eliminating vortex and guiding flow, in particular to a sound insulation cover which is applicable to the inside of a cup body of a wall breaking cooking machine, has the functions of damping, reducing noise and eliminating vortex and guiding flow and has certain rigidity and flexibility, and comprises a sound insulation cover body with the functions of eliminating vortex and reducing noise and a buckle and a through hole arranged on the sound insulation cover body. The vortex-eliminating noise-reducing sound-insulating cover body is a cone frustum-shaped cylinder with a small upper part and a large lower part, and is fastened on a vortex rib on the inner wall of the cup body of the broken-wall food processor through a buckle; the through holes are through holes with a plurality of layers and a plurality of columns, and the through flow areas of the through holes are sequentially reduced from top to bottom. According to the invention, the vortex-eliminating noise-reducing sound-insulating cover is arranged in the body cup body similar to a wall-breaking food processor and the like, so that vibration and noise caused by food material impact can be greatly buffered and reduced, the food material cutting efficiency of a cutter is increased, the action time of the vibration and the noise is reduced, and the sound-insulating cover has the advantages of simple structure, convenience in installation, low cost and obvious noise-reducing and vibration-reducing effects.
Description
Technical Field
The invention relates to the technical field of vibration and noise control, in particular to a sound insulation cover with vibration damping, noise reduction, vortex eliminating and flow guiding functions.
Background
With the rapid development of economy and society, the living standard and the living quality of people are greatly improved, and meanwhile, the requirements of people on environment, self health, nutrition intake and the like are also higher. Today, there are a large number of food processing machines, in particular fine-nutrient food processing machines such as: soybean milk machines, mixers, juice presses, broken wall processors, etc. are increasingly appearing on the market, which makes the refinement and nutritional treatment of foods easier and more convenient for people, and therefore, these machines are favored by more and more consumers.
However, these machines also create a series of problems in providing people with convenient and more nutritious foods during operation, such as: and the processing process of the food materials generates great noise, pollutes the surrounding environment and the like. The broken food machine is taken as an example, but is not limited to the broken food machine. The wall breaking machine is a food processing product which adopts an ultra-high speed motor to drive a multi-blade stainless steel blade to cut, stir and crush the food materials in a cup body at an ultra-high speed, thereby breaking the cell walls of the cells in the food materials and fully releasing substances such as mineral substances, vitamins, proteins, phytochemicals, moisture and the like in the cells. As described above, the cutter of the broken food processor is driven by the ultra-high speed motor to stir, cut and break the wall of the food materials, and mechanical noise, stirring noise, radiation noise and the like can be generated in the process of the lines, which not only affects and damages the physical and mental health of consumers, but also pollutes the surrounding environment.
In order to achieve the purpose, the structure with the functions of vibration reduction, noise reduction, vortex elimination and flow guide in the machine is very necessary and urgent to design. Various schemes and structures for such noise problems have been disclosed in the prior art, such as: a silica gel pad is embedded between the motor and the bearing, between the motor and the rotating shaft, a noise damping pad is arranged between the cup body and the main body, and damping materials such as rubber and the like are adopted for the supporting part of the machine body support. Such structures and designs reduce noise to some extent, stability of the system is improved to some extent, but there are also disadvantages: the conventional design cannot reduce or even eliminate the following noise: noise generated by collision of the blade with food materials such as beans, fruits and the like, noise generated by collision of the food materials with the cup body and the turbulence ribs, fluid turbulence, noise generated by vortex formed by collision with the wall of the cup body, noise generated by excitation of the cup body by cutting fluid by the blade and the like, and the cutting processing time of the food materials is long, and the noise and vibration time are longer.
Therefore, the sound insulation cover with the functions of vibration reduction, noise reduction, vortex elimination and flow guide is provided for solving the problems of the machine and the defects of the existing scheme structure.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a sound insulation cover with the functions of vibration reduction, noise reduction, vortex elimination and flow guide, which can be used in common food processing machines such as soybean milk machines, mixers, juicers, wall-breaking food processors and the like. The noise-reducing and vortex-eliminating sound-insulating cover not only has the advantages of the traditional scheme structure, but also can reduce and even eliminate the following noise: noise generated by collision of the blade with food materials such as beans, fruits and the like, noise generated by collision of the food materials with the cup body and the turbulence ribs, fluid turbulence, noise generated by vortex formation with collision of the food materials with the cup wall, noise generated by excitation of the cup body by cutting fluid by the blade and the like are greatly reduced, probability of the food materials impacting the cup wall is also greatly reduced, cutting time of the food materials is shortened, and noise and vibration time are also reduced.
The aim of the invention is achieved by the following technical scheme: a sound insulation cover with functions of damping, reducing noise and eliminating vortex and guiding flow comprises a sound insulation cover body with the functions of eliminating vortex and reducing noise, and a chute buckle and a through hole which are arranged on the sound insulation cover body.
The vortex-eliminating noise-reducing sound-insulating cover body is a conical frustum-shaped cylinder with a small upper part and a large lower part, the body has certain rigidity to resist vibration and impact of water flow and food materials when the broken wall food processor works, and has certain flexibility to buffer and reduce vibration and impact of the water flow and the food materials when the broken wall food processor works.
The maximum diameter of the cup body of the broken food processor is R, the minimum diameter is R, the maximum diameter of the vortex-eliminating noise-reducing sound-insulating cover is 0.4R-0.7R, and the minimum diameter is 0.3R-0.8R.
The through holes are through holes with a plurality of layers, a plurality of columns and sequentially reduced through flow areas from top to bottom; and the opening direction of the through hole is vertical to the outer wall of the vortex-eliminating noise-reducing sound-insulating cover or vertical to the axis of the vortex-eliminating noise-reducing sound-insulating cover. The through holes are arranged on the sound insulation cover according to the following rules: the aperture of the 1 st row of holes is R ', the minimum diameter of the sound insulation cover is R ', R ' =0.12R ' -0.15R ', and the row spacing and the line spacing (calculated by the center distance of circles of two adjacent through holes) of the through holes are 3R ' -3.5R '; the aperture of the 1 st row of holes is r', the 1 st row of holesThe aperture of the n rows of holes is 0.8 (n-1) r’-0.9 (n-1) r'. Through detection, compared with the sound insulation covers with through holes which are sequentially reduced in shape and are not specially arranged, the sound insulation covers with the through holes arranged according to the distribution rules can change the flow state of a slurry turbulence layer more effectively, and the noise reduction can be improved by 12%.
The height of the cup body of the wall-breaking food processor is H, and the height of the vortex-eliminating noise-reducing sound-insulating cover is 0.4H-0.8H. Experiments show that the larger the size of the sound insulation cover is, the higher the energy consumption output of the food processor is, but the noise reduction effect is in a wave crest change form along with the size increase of the sound insulation cover, so that the maximum diameter of the sound insulation cover is set to be 0.4R-0.7R, the minimum diameter is set to be 0.3R-0.8R, the height is set to be 0.4H-0.8H, and the energy consumption output can be controlled within 1.2 multiplying power while the noise reduction effect is ensured to be more than 15 dB.
The buckle structure is a sliding chute type buckle, a direct press-in type buckle or a rotary buckle.
The buckles are arranged at the lower ports of the vortex-eliminating noise-reducing sound-insulating cover, and the number of the buckles is not less than three.
The chute type buckle comprises a concave few hemispherical through hole and a stepped groove through hole with a splayed portable inlet at one end, the vortex-eliminating noise-reducing sound insulation cover body can be fastened on the vortex bar of the inner wall of the cup body of the wall-breaking cooking machine through the chute type buckle in a sliding manner, and the vortex-eliminating noise-reducing sound insulation cover body can also smoothly slide out from the vortex bar of the inner wall of the cup body of the wall-breaking cooking machine along the cross concave part formed by the stepped groove through hole and the concave few hemispherical wall surface so as to facilitate cleaning of the vortex-eliminating noise-reducing sound insulation cover.
The edge of the upper end of the vortex-eliminating noise-reducing sound-insulating cover body is a semicircular edge, and the edge of the lower end of the vortex-eliminating noise-reducing sound-insulating cover body is a semicircular edge.
The sound insulation cover with the vibration reduction, noise reduction and vortex reduction and flow guide functions keeps the advantages of the existing scheme and the structure, is simple in structure, convenient to replace and overhaul, can reduce noise and improves the stability of a system to a certain extent, and has the following different beneficial technical effects:
(1) At present, the research and design for the problem are basically carried out on the structure design outside the cup body, and few researches are carried out on noise in the cup, such as: the sound insulation cover with the vibration reduction, noise reduction and vortex elimination and flow guide functions can effectively reduce and even eliminate the noise, and has the advantages of extremely low energy consumption and obvious crushing effect and efficiency.
(2) According to the sound insulation cover with the vibration reduction, noise reduction and vortex reduction flow guide functions, the space separation principle is fully utilized, the whole cup volume is not changed greatly, meanwhile, the cup inner space is divided into the inner space and the outer space, the collision between a blade and food materials such as beans and fruits and the collision between the food materials and the sound insulation cover and the collision between the food materials and the vortex bar occur in the inner space, the collision and vibration can be greatly attenuated in each layer in the transmission process of water flow passing through the sound insulation cover, the inner space and the outer space and the cup body, in addition, in the food material processing process, the food materials directly impact the sound insulation cover with certain flexibility, not the cup body with high strength, and further the generated noise and vibration are greatly attenuated, so that the noise is greatly reduced or even eliminated.
(3) The sound insulation cover with vibration reduction, noise reduction, vortex reduction and flow guide functions has the following other advantages that the whole cup inner space is divided into an inner layer space and an outer layer space: the sound insulation cover can reduce fluid turbulence, noise generated by vortex formed by collision with the wall of the cup, noise generated by excitation of the fluid by the blade cutting on the cup body, and the like, plays roles in eliminating vortex and guiding water flow, the movement space of food materials in the inner space is relatively smaller, the probability of collision between the food materials and the cutter is increased, the cutting efficiency of the food materials is greatly increased, and the action time of vibration and noise is shortened.
(4) The distribution form of the through holes of the sound insulation cover adopted by the invention can effectively change the flow state of the slurry turbulence layer, and can improve the noise reduction effect by 12%; the size design of the sound insulation cover adopted by the invention can ensure the noise reduction effect to be more than 15 dB and control the energy consumption output to be within 1.2 multiplying power.
(5) The sound insulation cover body can be provided with the buckle structures in different structural forms, so that the sound insulation cover body is matched with wall breaking food processors with different shape turbulence ribs, and can be matched with most types of wall breaking food processors. And the sound insulation cover is fastened on the turbulence bars on the inner wall of the cup body through the fastening structure, and the sound insulation cover has the advantages of simple structure, low cost and convenience in installation, disassembly and cleaning.
Drawings
Fig. 1 is a front view showing the installation of the sound insulation cover in the cup body in the present invention.
Fig. 2 is a top view showing the installation of the sound insulation cover in the cup body in the present invention.
Fig. 3 is a schematic view showing the shape and structure of the sound insulation cover in the present invention.
Fig. 4 is a partial enlarged view of the slide type snap structure of the snap structure embodiment 1 of fig. 1.
Fig. 5 is a partial enlarged view of the snap structure of embodiment 2 of the snap structure of fig. 1 a.
Fig. 6 is an enlarged view of a portion of the snap structure of embodiment 3 of the snap structure of fig. 1 a.
Reference numerals: 1-cup, 2-vortex-eliminating noise-reducing sound-insulating cover, 21-sound-insulating cover body, 22-through holes, 23-chute-type buckles, 231-concave few hemisphere through holes, 232-concave few hemisphere wall surfaces, 233-portable outlets, 234-stepped groove through holes, 235-splayed portable inlets, 24-direct press-in buckles, 241-multi-hemispherical buckle holes, 242-portable outlets, 243-deformation parts, 244-portable inlets, 25-rotary buckles, 251-buckle through holes, 252-portable outlets, 253-deformation parts, 254-portable inlets, 3-turbulent ribs, 4-ultra-high speed fine steel cutters and 5-cutter support frames.
Detailed Description
The technical solutions of the embodiments of the present invention will be specifically and clearly described below with reference to the drawings and the embodiments, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments described herein, all other embodiments similar to the present invention that would be apparent to one of ordinary skill in the art without the need for inventive faculty are within the scope of the present invention.
Example 1
As shown in fig. 1 and 2, the sound insulation cover with vibration damping, noise reduction, vortex eliminating and flow guiding functions provided by the invention is installed in a cup body in front view and top view, and comprises: the vortex-eliminating noise-reducing sound-insulating cover comprises a cup body 1, a vortex-eliminating noise-reducing sound-insulating cover 2, a through hole 22, a chute buckle 23, a vortex bar 3, an ultra-high-speed precise steel cutter 4 and a cutter supporting frame 5. The general working principle of the structure diagram is as follows: the ultra-high-speed motor drives an ultra-high-speed precise steel cutter 4 fastened on a cutter supporting frame 5 through a transmission shaft to conduct ultra-high-speed cutting, crushing and wall breaking processing on food materials, the vortex-eliminating noise-reducing sound insulation cover 2 is arranged in the inner cavity of the cup body 1, and the vortex-eliminating noise-reducing sound insulation cover is fixed on the vortex bar 3 through a sliding buckle 23. The structure can greatly reduce or even eliminate the following noise due to the introduction of the vortex-eliminating noise-reducing sound-insulating cover 2: noise generated by collision of the blade with food materials such as beans, fruits and the like, noise generated by collision of the food materials with the cup body and the turbulence bars, fluid turbulence, noise generated by vortex formation with the collision cup wall, noise generated by cutting the fluid by the blade to excite the cup body, noise generated by reducing fluid turbulence and vortex formation with the collision cup wall by the sound insulation cover, noise generated by cutting the fluid by the blade to excite the cup body and the like.
The maximum diameter of the cup body 1 of the broken food processor is R, the minimum diameter is R, the maximum diameter of the vortex-eliminating noise-reducing sound-insulating cover 2 is 0.6R, and the minimum diameter is 0.5R.
The through holes are through holes with a plurality of layers, a plurality of columns and sequentially reduced through flow areas from top to bottom; and the opening direction of the through hole is vertical to the outer wall of the vortex-eliminating noise-reducing sound-insulating cover or vertical to the axis of the vortex-eliminating noise-reducing sound-insulating cover. The through holes are arranged on the sound insulation cover according to the following rules: the aperture of the 1 st row of holes is R ', the minimum diameter of the sound insulation cover is R ', R ' =0.12R ' -0.15R ', and the row spacing and the column spacing of the through holes (in order toA circular center distance meter of two adjacent through holes) is 3r '-3.5r'; the aperture of the 1 st row of holes is r', and the aperture of the n th row of holes is 0.8 (n-1) r’-0.9 (n-1) r’。
The height of the cup body 1 of the wall-breaking food processor is H, and the height of the vortex-eliminating noise-reducing sound-insulating cover 2 is 0.7H.
As shown in fig. 3, the shape and structure schematic diagram of the sound insulation cover with vibration damping, noise reduction and vortex eliminating and flow guiding functions comprise a vortex eliminating, noise reducing sound insulation cover body 2, a chute type buckle 23 and a through hole 22 arranged on the sound insulation cover body.
The vortex-eliminating noise-reducing sound-insulating cover body 2 is a conical frustum-shaped cylinder with a small upper part and a large lower part, has certain rigidity to resist vibration and impact of water flow and food materials when the wall-breaking food processor works, and has certain flexibility to buffer and reduce vibration and impact of the water flow and the food materials when the wall-breaking food processor works.
The chute type buckle 23 consists of a concave few hemispherical through hole 231 and a stepped groove through hole 234 with a splayed portable inlet 235 at one end, the vortex-eliminating noise-reducing sound-insulating cover body 21 can be fastened on the vortex bar 3 of the inner wall of the cup body of the wall breaking machine through the chute type buckle 23 in a sliding buckle manner, and the vortex-eliminating noise-reducing sound-insulating cover body 21 can also smoothly slide out from the vortex bar 3 of the inner wall of the cup body of the wall breaking machine along the stepped groove through hole 234 so as to facilitate cleaning of the vortex-eliminating noise-reducing sound-insulating cover 2.
The through holes 22 are through holes with sequentially reduced through areas from top to bottom in a plurality of layers and a plurality of columns; and the opening direction of the through-flow hole 22 is perpendicular to the axis of the vortex-eliminating noise-reducing sound-insulating cover.
The shape of the vortex-eliminating noise-reducing sound-insulating cover 2 can be a cone frustum-shaped cylinder with a small upper part and a large lower part.
The edge of the upper end of the vortex-eliminating noise-reducing sound-insulating cover body 21 is a semicircular edge.
The edge of the lower end of the vortex-eliminating noise-reducing sound-insulating cover body 21 is a semicircular edge.
The through-flow hole 22 is circular in shape.
The adjacent two layers of through holes 22 are arranged in a one-to-one correspondence. The fastening structure of the sound isolation cover in this embodiment, as shown in fig. 4, the chute-type fastening structure is formed by a concave less hemispherical through hole 231 and a stepped groove through hole 234 with a splayed portable inlet 235 at one end, the sound isolation cover body 21 can enter through the splayed portable inlet 235 of the chute-type fastening structure 23, and is fastened on the vortex bar 3 on the inner wall of the cup body of the wall breaking machine through the stepped groove through hole 234 and the final sliding fastening, and the outer wall surface of the vortex bar 3 is mutually matched with the concave less hemispherical wall surface 232 and the concave less hemispherical through hole 231 to ensure the stability and reliability of the sound isolation cover 2 in the working process of the wall breaking machine; the vortex-eliminating noise-reducing sound-insulating cover body 21 can also smoothly slide out of the vortex-eliminating noise-reducing sound-insulating cover 2 along the cross concave part formed by the stepped groove through hole 234 and the concave less hemispherical through hole 231, namely the shortcut outlet 233, so that the vortex-eliminating noise-reducing sound-insulating cover 2 can be conveniently cleaned.
The sliding chute type buckles 23 are arranged at the lower ports of the vortex-eliminating noise-reducing sound-insulating cover 2, and the number of the sliding chute type buckles is not less than three.
Example 2
In this embodiment, the structure of the sound insulation cover body is the same as that of embodiment 1, but the fastening structure is different from that of embodiment 1, and the fastening structure is a direct press-in fastening structure as shown in fig. 5, where the direct press-in fastening 24 is composed of a multiple hemispherical fastening hole 241, a portable inlet 244 with an outer convex arc shape, and a strip deformation portion 243 with a portable outlet 242 with an inner concave arc shape and two sides of the inlet, where the strip deformation portion 243 on two sides of the inlet is convenient for pressing in and pulling out the sound insulation cover 2 with vortex and noise reduction, and the strip deformation portion provides a deformation allowance for the fastening hole. The vortex-eliminating noise-reducing sound-insulating cover body 21 can be directly pressed into the vortex-eliminating noise-reducing sound-insulating cover body through the convex arc-shaped convenient inlet 244 of the direct pressing-in buckle 24 to be fastened on the vortex bar 3 on the inner wall of the cup body of the wall-breaking food processor, and the vortex-eliminating noise-reducing sound-insulating cover body 21 can be smoothly pulled out from the vortex bar 3 on the inner wall of the cup body of the wall-breaking food processor along the concave arc-shaped convenient outlet 242 so as to facilitate the cleaning of the vortex-eliminating noise-reducing sound-insulating cover 2.
The direct press-in type buckles 24 are arranged at the lower ports of the vortex-eliminating noise-reducing sound-insulating cover 2, and the number of the direct press-in type buckles is not less than three.
Example 3
In this embodiment, the structure of the sound insulation cover body is the same as that of embodiment 1, but the fastening structure is different from that of embodiment 1, and the fastening structure is a rotary fastening structure, as shown in fig. 6, the rotary fastening 25 is composed of a fastening through hole 251 with a semicircular arc at one end, a portable inlet 254 with a convex arc, a portable outlet 252 with a concave arc, and a strip deformation portion 253 at one side of the inlet, where the strip deformation portion 253 at one side of the inlet is convenient for pressing in and pulling out the sound insulation cover 2 with vortex and noise reduction, and the strip deformation portion provides a margin for deformation of the fastening through hole. The wall breaking cooking machine cup inner wall vortex rib can directly slide into the buckle through hole 251 through the convex arc-shaped portable inlet 254 of the rotary buckle 25, and after the sound insulation cover body rotates, the semicircular arc-shaped buckle through hole 251 of the rotary buckle 25 is fastened on the vortex rib. The vortex-eliminating noise-reducing sound-insulating cover body 21 can be smoothly rotated and pulled out from the vortex bar 3 on the inner wall of the cup body of the wall-breaking food processor along the concave arc-shaped portable outlet 252 so as to clean the vortex-eliminating noise-reducing sound-insulating cover 2, and the ultra-high speed fine steel tool 4 drives food and water flow to flow unidirectionally along one direction, the semicircular arc end of the clamping hole 251 points to the same direction as the food and the water flow, and the rotary buckle is fastened under the action of the external force of the water flow and the food in the working process, and the rotary buckle 25 firmly buckles the vortex-eliminating noise-reducing sound-insulating cover 2 inside the cup body 1 by means of the water flow and the vortex bar 3.
The rotary buckles 25 are all arranged at the lower ports of the vortex-eliminating noise-reducing sound-insulating cover 2, and the number of the rotary buckles is not less than three.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (6)
1. The utility model provides a sound insulation cover with vibration/noise reduction, vortex that disappears water conservancy diversion function sets up on broken wall cooking machine cup, its characterized in that includes vortex that disappears and falls sound insulation cover body and sets up buckle and the through-hole above that:
the sound-insulating cover body is a cone frustum-shaped cylinder with a small upper part and a large lower part, has certain rigidity to resist the vibration and impact of water flow and food materials when breaking and crushing the food materials, and has certain flexibility to buffer and reduce the vibration and impact of the water flow and the food materials when working;
the through holes are through holes with a plurality of layers, a plurality of columns and sequentially reduced through flow areas from top to bottom; the opening direction of the through hole is vertical to the outer wall of the vortex-eliminating noise-reducing sound-insulating cover or vertical to the axis of the vortex-eliminating noise-reducing sound-insulating cover;
the maximum diameter of the cup body of the wall breaking cooking machine is R, the minimum diameter of the cup body is R, the maximum diameter of the vortex-eliminating noise-reducing sound-insulating cover is 0.4R-0.7R, and the minimum diameter of the cup body is 0.3R-0.8R;
the through holes are arranged on the sound insulation cover according to the following rules: the aperture of the 1 st row of holes is R ', the minimum diameter of the sound insulation cover is R ', R ' =0.12R ' -0.15R ', and the row spacing and the column spacing of the through holes are 3R ' -3.5R ' according to the circle center spacing of two adjacent through holes; the aperture of the 1 st row of holes is r', and the aperture of the n th row of holes is 0.8 (n-1) r’-0.9 (n-1) r’。
2. The sound insulation cover with the functions of shock absorption, noise reduction and vortex elimination and flow guide according to claim 1, wherein the sound insulation cover is characterized in that: the height of the cup body of the wall-breaking food processor is H, and the height of the vortex-eliminating noise-reducing sound-insulating cover is 0.4H-0.8H.
3. The sound insulation cover with the functions of shock absorption, noise reduction and vortex elimination and flow guide according to claim 1, wherein the sound insulation cover is characterized in that: the buckle structure is a sliding chute type buckle, a direct press-in type buckle or a rotary buckle.
4. A sound insulation cover with vibration and noise reduction and vortex elimination and flow guide functions according to claim 3, which is characterized in that: the chute type buckle comprises a concave less hemispherical through hole and a stepped groove through hole with a splayed portable inlet at one end, the periphery of the concave less hemispherical through hole is provided with a concave less hemispherical wall surface, the vortex-eliminating noise-reducing sound insulation cover body can be fastened on a vortex bar on the inner wall of the cup body of the wall breaking cooking machine through the chute type buckle sliding buckle, and the vortex-eliminating noise-reducing sound insulation cover body can also smoothly slide out from the vortex bar on the inner wall of the cup body of the wall breaking cooking machine along the cross concave part formed by the stepped groove through hole and the concave less hemispherical wall surface so as to facilitate the cleaning of the vortex-eliminating noise-reducing sound insulation cover.
5. A sound insulation cover with vibration and noise reduction and vortex elimination and flow guide functions according to claim 3, which is characterized in that: the buckles are arranged at the lower ports of the vortex-eliminating noise-reducing sound-insulating cover, and the number of the buckles is not less than three.
6. The sound insulation cover with the functions of shock absorption, noise reduction and vortex elimination and flow guide according to claim 1, wherein the sound insulation cover is characterized in that: the edge of the upper end of the vortex-eliminating noise-reducing sound-insulating cover body is a semicircular edge, and the edge of the lower end of the vortex-eliminating noise-reducing sound-insulating cover body is a semicircular edge.
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| CN110179367B (en) * | 2019-06-10 | 2022-06-14 | 九阳股份有限公司 | Food preparation machine with good noise reduction effect |
| CN110960118A (en) * | 2019-11-22 | 2020-04-07 | 青岛乐家电器有限公司 | Broken wall machine cup and broken wall machine |
| CN111053478B (en) * | 2019-12-17 | 2021-05-04 | 中国科学院广州能源研究所 | Bowl cover subassembly of making an uproar falls in broken wall machine |
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| CN204889635U (en) * | 2015-06-08 | 2015-12-23 | 九阳股份有限公司 | Soybean milk machine of making an uproar falls |
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| CN107468040A (en) | 2017-12-15 |
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