CN114617450B - Low-noise food processor - Google Patents
Low-noise food processor Download PDFInfo
- Publication number
- CN114617450B CN114617450B CN202011434312.5A CN202011434312A CN114617450B CN 114617450 B CN114617450 B CN 114617450B CN 202011434312 A CN202011434312 A CN 202011434312A CN 114617450 B CN114617450 B CN 114617450B
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- cup
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- 238000003756 stirring Methods 0.000 claims abstract description 12
- 238000010298 pulverizing process Methods 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 17
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 210000005069 ears Anatomy 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 24
- 230000000694 effects Effects 0.000 description 18
- 239000004033 plastic Substances 0.000 description 13
- 229920003023 plastic Polymers 0.000 description 13
- 230000009467 reduction Effects 0.000 description 12
- 239000002184 metal Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 230000006698 induction Effects 0.000 description 10
- 238000007789 sealing Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000002035 prolonged effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000001902 propagating effect Effects 0.000 description 6
- 230000002238 attenuated effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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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
- A47J43/046—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side
-
- 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
- A47J43/0716—Parts or details, e.g. mixing tools, whipping tools for machines with tools driven from the lower side
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
The invention discloses a low-noise food processor, which comprises a machine base and a stirring cup arranged on the machine base, wherein the stirring cup comprises a cup body and a cup cover for covering the cup body, a crushing cavity is formed by the cup cover and the cup body, an air layer for containing air is formed inside the cup cover, the air layer surrounds the crushing cavity at least in the circumferential direction, and the thickness of the air layer is at least partially increased from inside to outside along the radial direction. The beneficial effects of the invention are as follows: the food processor can reduce noise of the food processor from being transmitted to the ears of a user, thereby enhancing the use experience of the food processor.
Description
Technical Field
The invention relates to a food processing technology, in particular to a low-noise food processor.
Background
The existing food processor includes a housing and a blender cup mounted to the housing. The stirring cup comprises a cup body and a cup cover for covering the cup body. The cup cover comprises a metal inner cover and a plastic outer cover surrounding the metal inner cover. The plastic outer cover is abutted with the metal inner cover and only surrounds the lower half section of the metal inner cover. The cup cover and the cup body enclose a crushing cavity, and the metal inner cover forms a part of the inner wall of the crushing cavity. The center of the metal inner cover is provided with a feeding channel and a feeding cover covering the feeding channel, and an exhaust channel is arranged in the feeding cover, so that a user can open the feeding cover to supplement food materials into the crushing cavity when needed. An exhaust channel for exhausting hot air in the crushing cavity is arranged in the feeding cover.
In the working process of the food processor, the crushing knife in the crushing cavity cuts the food materials for processing. And in the cutting process of the crushing cutter, the crushing cavity can generate harsh noise. Crushing intracavity noise can outwards propagate to user's ear through exhaust passage and passing metal inner cup generally, seriously influences the use experience of food processor, needs to solve.
Disclosure of Invention
The invention aims to provide a low-noise food processor. The food processor can reduce noise of the food processor from being transmitted to the ears of a user, thereby enhancing the use experience of the food processor.
The technical aim of the invention is realized by the following technical scheme:
the utility model provides a low noise food processor, includes the frame and installs the stirring cup on the frame, the stirring cup includes the bowl cover of cup and lid closed cup, the crushing chamber is enclosed into to bowl cover and cup, the inside air bed that holds the air that forms of bowl cover, the air bed encircles crushing chamber at least in the circumference, the thickness of air bed is from inside to outside at least part grow along radial direction.
Through adopting above-mentioned technical scheme, when smashing intracavity noise transmission to the crushing chamber that forms in the bowl cover inboard, noise can further be along radial transmission. When propagating in radial direction, noise needs to pass through the air layer inside the cup cover, since the air layer surrounds the pulverizing chamber at least in the circumferential direction. The air layer and the cup cover located on both sides of the air layer in the radial direction belong to two media, so that noise has a case that propagation media change when entering the air layer and leaving the air layer compared with the case that the noise passes through only the cup cover, so that the noise is attenuated when entering the air layer and leaving the air layer, thereby being beneficial to noise reduction. Meanwhile, compared with the cup cover, the air layer is arranged inside the cup cover, so that the noise propagation path is prolonged, and the effect of reducing the noise can be achieved.
Since the thickness of the air layer becomes at least partially large from inside to outside in the radial direction, when noise propagates in the air layer in the radial direction, the noise is likely to be reflected and interfered at the place where the thickness of the air layer varies, thereby further contributing to the noise reduction effect.
The invention is further provided with: the air layer includes a surrounding portion surrounding the pulverization chamber in a circumferential direction and a covering portion covering the pulverization chamber in an axial direction, the surrounding portion and the covering portion being in communication.
Through adopting above-mentioned technical scheme, when smashing the intracavity noise and spreading to the crushing chamber that forms in the bowl cover inboard, noise can further spread along the axial except along radial propagation. When propagating along the axial direction, noise needs to pass through the cover part positioned inside the cup cover because the cover part of the air layer covers the crushing cavity in the axial direction. The cover part and the cup covers axially positioned at two sides of the cover part belong to two media, so that compared with the situation that the noise only passes through the cup cover, the noise has a propagation medium change when entering the cover part and leaving the cover part in the axial direction, so that the noise can be attenuated when entering the cover part and leaving the cover part, and the noise is reduced. Meanwhile, compared with the fact that the cup cover only passes through the cup cover in the axial direction, the cover part is arranged inside the cup cover, so that the noise propagation path can be prolonged, and the effect of reducing the noise can be achieved. Similarly, the effect of reducing noise can be achieved when noise propagates further in the radial direction. Finally, the effect of reducing noise can be achieved when noise is further propagated in both radial and axial directions.
And the surrounding portion is communicated with the covering portion, it means that noise of the surrounding portion can be transmitted to the covering portion, and noise of the covering portion can be transmitted to the surrounding portion. Taking the noise of the surrounding part as an example, the resistance of the noise of the surrounding part transmitted to the covering part is smaller than the resistance of the noise of the surrounding part transmitted through the cup cover when leaving the surrounding part in the radial direction, so that most of the noise can be transmitted to the covering part, and the transmission path of the noise is prolonged. In the same way, most of noise in the cover part can be transmitted to the surrounding part, and the transmission path of the noise is prolonged. Finally, the noise is consumed in the repeated propagation process of the covering part and the surrounding part, and the effect of reducing the noise is achieved.
The invention is further provided with: the thickness of the surrounding portion is greater than the thickness of the covering portion.
Through adopting above-mentioned technical scheme, when the noise of cover portion was propagated from the cover portion to surrounding portion, because the thickness of surrounding portion is greater than the thickness of cover portion to noise takes place reflection and interference easily in surrounding portion and cover portion juncture, thereby further plays noise reduction's effect.
The invention is further provided with: the upper end of the surrounding part is higher than the upper end of the covering part.
Through adopting above-mentioned technical scheme, when smashing intracavity noise transmission to the crushing chamber that forms in the bowl cover inboard, noise further propagates to passing the cover along the axial. At this time, if noise passing through the cover portion propagates in the radial direction, the surrounding portion is blocked by a portion higher than the cover portion, thereby reducing noise.
The invention is further provided with: the radial width of the surrounding part is L1, and the radial width of the covering part is L2, wherein L1/L2=0.3-0.8:1.
By adopting the technical scheme, if L1/L2 is less than 0.3, the radial width of the surrounding part is too small, so that the surrounding part is easy to pass through by noise, and the noise reduction effect of the surrounding part is poor. If L1/L2 is more than 0.8, the radial width of the surrounding part is too large, so that the width of the cup cover is too large, the weight of the cup cover is too large, and the experience of consumers is affected. Therefore, the surrounding part can not only play a good role in noise reduction, but also avoid the overlarge width of the cup cover to influence the experience of consumers when the L1/L2=0.3-0.8:1.
The invention is further provided with: the cup cover includes a surrounding piece surrounding the pulverizing chamber in a circumferential direction and a cover piece covering the pulverizing chamber in an axial direction, and an air layer is formed between the surrounding piece and the cover piece.
By adopting the technical scheme, an air layer is formed between the surrounding piece and the covering piece, so that the propagation medium of noise changes when the noise enters and leaves the air layer, and the noise is attenuated.
The invention is further provided with: the surrounding piece comprises an outer surrounding piece and an inner surrounding piece positioned on the inner side of the outer surrounding piece, the outer end of the covering piece in the radial direction is higher than the inner end of the covering piece in the radial direction, and an air layer between the outer end of the covering piece in the radial direction and the outer surrounding piece is higher than an air layer between the inner end of the covering piece in the radial direction and the inner surrounding piece.
By adopting the technical scheme, the air layer between the outer end of the covering part in the radial direction and the outer ring winding piece is the surrounding part, and the air layer between the inner end of the covering part in the radial direction and the inner ring winding piece is the covering part. When the noise propagates in the radial direction after passing through the cover part in the axial direction, the noise is blocked by the outer end of the cover part in the radial direction, the surrounding part and the outer ring winding part in sequence, so that the noise is reduced.
The invention is further provided with: the covering piece is downwards in an arc-shaped concave.
The invention is further provided with: the surrounding member comprises an outer surrounding member and an inner surrounding member positioned inside the outer surrounding member, the inner surrounding member comprises a covering section which covers the crushing cavity in the axial direction and a surrounding section positioned below the covering section,
a surrounding part surrounding the crushing cavity is formed between the surrounding section and the outer ring winding piece; and/or
A covering part for covering the crushing cavity is formed between the covering section and the covering piece.
Through adopting above-mentioned technical scheme, when smashing intracavity noise propagation to forming in the inboard crushing chamber of bowl cover, noise need in proper order when propagating along radial and encircle section, encircle portion and outer loop around the piece, need in proper order when propagating along the axial through cover section, cover portion and covering, finally in radial and axial direction noise reduction.
The invention is further provided with: the cup cover is provided with a feeding channel and a feeding cover covering the feeding channel, an exhaust channel is arranged in the feeding cover, and the upper end of the surrounding piece is not lower than the upper end of the exhaust channel.
By adopting the technical scheme, compared with the way of penetrating the cup cover, noise is more easily transmitted from the exhaust channel. The upper end of the surrounding piece is not lower than the upper end of the exhaust channel, so that noise in the exhaust channel can be blocked by the surrounding piece when being transmitted radially, the noise in the exhaust channel is reduced, and the noise reduction effect is achieved.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of a cup cover according to embodiment 1 of the present invention;
FIG. 3 is a schematic view showing the structure of a cup cover according to embodiment 2 of the present invention;
FIG. 4 is a schematic view showing the structure of a cup cover according to embodiment 3 of the present invention;
FIG. 5 is a schematic view showing the structure of a cup cover according to embodiment 4 of the present invention;
FIG. 6 is a schematic view showing the structure of a cup cover according to embodiment 5 of the present invention;
FIG. 7 is a schematic view showing the structure of a cup cover according to embodiment 6 of the present invention;
FIG. 8 is a schematic diagram of the structure of embodiment 7 of the present invention;
fig. 9 is a schematic structural view of a cup cover according to embodiment 7 of the present invention.
Reference numerals: 1. a base; 2. a stirring cup; 3. a cup body; 4. a cup cover; 5. a crushing cavity; 6. an inner cover; 7. a surround; 8. a cover; 9. an air layer; 10. a surrounding portion; 101. a lower surrounding portion; 102. an upper surrounding portion; 11. a cover part; 12. an outer surrounding member; 13. an inner surrounding member; 14. a vertical portion; 15. a horizontal portion; 16. a cover section; 17. a surrounding section; 18. a feeding channel; 19. a feeding cover; 20. an exhaust passage; 21. the outer end welding part; 22. a welding part at the inner end; 23. a middle welding part; 24. a first seal; 25. a second through hole; 26. a rivet; 27. a third seal; 28. an annular groove; 29. a bump; 30. a buckle; 31. a clamping groove; 32. an O-ring; 33. a first through hole; 34. horseback; 35. a second seal; 36. foaming plastic; 37. a water tank; 38. and (5) a pulp receiving cup.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1 and 2, a low noise food processor includes a base 1 and a stirring cup 2 mounted to the base 1. The stirring cup 2 comprises a cup body 3 and a cup cover 4 for covering the cup body 3. The cup cover 4 and the cup body 3 enclose a crushing cavity 5, and a crushing knife is arranged at the bottom of the crushing cavity 5. The cap 4 includes an inner lid 6, a surround 7, and a cover 8. Wherein, inner cup 6 is the metal material, and surrounding piece 7 and covering piece 8 are plastics material, and inner cup 6 forms a part of crushing chamber 5 inner wall. An air layer 9 containing air is formed between the surrounding piece 7 and the cover 8. The air layer 9 includes a surrounding portion 10 and a covering portion 11 that are in communication. The inner lid 6 forms part of the inner wall of the crushing chamber 5 and is easily contacted with the food material. Compared with plastics, metals are not easily stained by food materials. Therefore, the inner cover 6 is made of metal, which is beneficial to prolonging the service time of the cup cover 4. Compared with the air layer 9 formed between the metal piece and the plastic piece, the air layer 9 is formed between the plastic surrounding piece 7 and the plastic covering piece 8, on one hand, the heat transfer performance of the plastic surrounding piece 7 is lower than that of the metal inner cover 6, so that the temperature rise of the air layer 9 is slowed down, on the other hand, the plastic surrounding piece 7 also has the heat insulation effect, and finally the temperature of the air layer 9 is lower, so that the air layer 9 is not easy to be heated and expanded. At this time, when the user washes the cap 4 with water after the food processor finishes working, the air layer 9 does not undergo a sudden decrease in air pressure to become a negative pressure state even when the cap 4 is washed, thereby reducing the occurrence of water being sucked into the air layer 9.
The surround 7 comprises an outer surround 12 and an inner surround 13. The inner and outer windings 13, 12 are radially distributed, the inner winding 13 being located inside the outer winding 12. The outer surrounding member 12 includes a vertical portion 14 and a horizontal portion 15, and the horizontal portion 15 is vertically connected to the lower end of the vertical portion 14, so that the outer surrounding member 12 is L-shaped as a whole. The inner surround 13 comprises a cover section 16 and a surround section 17. The cover section 16 covers the inner cap 6 in the axial direction, and the surrounding section 17 extends downward from the radially outer end of the cover section 16 and surrounds the inner cap 6. The horizontal portion 15 is integrally connected to the middle of the surrounding section 17. The cover 8 covers the inner cap 6 in the axial direction, the cover 8 is recessed downward in an arc shape and the outer end of the cover 8 in the radial direction is higher than the inner end of the cover 8 in the radial direction. A lower surrounding portion 101 surrounding the inner lid 6 in the circumferential direction is formed between the surrounding section 17 and the lower end of the outer surrounding member 12, and the lower surrounding portion 101 circumferentially surrounds the pulverizing chamber 5. When noise in the pulverizing chamber 5 propagates to the pulverizing chamber 5 formed inside the cup cover 4, the noise propagates further in the radial direction. As the lower surrounding portion 101 circumferentially surrounds the pulverizing chamber 5 while propagating in the radial direction, noise needs to pass through the surrounding section 17, the lower surrounding portion 101 and the outer ring-like member 12 in order. The lower surround 101 is of two media, namely the surround section 17 and the outer surround 12, so that noise enters the lower surround 101 in the radial direction and leaves the lower surround 101 with a change in propagation medium, compared to passing only the cap 4, so that noise is attenuated when entering the lower surround 101 and leaves the lower surround 101, thereby contributing to noise reduction. Meanwhile, compared with the fact that only the cup cover 4 is axially arranged, the lower surrounding portion 101 is arranged inside the cup cover 4, so that the noise propagation path can be prolonged, and the effect of reducing noise can be achieved. An upper circumferential portion 102 is formed between the radially outer end of the cover member 8 and the upper end of the outer circumferential member 12, and a covering portion 11 is formed between the radially inner end of the cover member 8 and the covering section 16 to cover the inner lid 6, the covering portion 11 covering the pulverizing chamber 5 in the axial direction. When noise in the pulverizing chamber 5 propagates to the pulverizing chamber 5 formed inside the cup cover 4, the noise propagates further in the axial direction in addition to the radial direction. As the cover 11 covers the crushing chamber 5 in the axial direction, noise needs to pass through the cover section 16, the cover 11 and the cover 8 in this order when propagating in the axial direction. The cover 11, the cover section 16 and the cover 8 belong to two media, so that noise has a change in propagation medium when entering the cover 11 and leaving the cover 11 in the axial direction compared with the case of only passing through the cup cover 4, so that noise is attenuated when entering the cover 11 and leaving the cover 11, thereby being beneficial to noise reduction. Meanwhile, compared with the fact that only the cup cover 4 is axially arranged, the cover 11 is arranged inside the cup cover 4, so that the noise propagation path can be prolonged, and the effect of reducing noise can be achieved. Finally, the effect of reducing noise can be achieved when noise is further propagated in both radial and axial directions. The upper surrounding portion 102 is higher than the covering portion 11, and the lower surrounding portion 101 is lower than the covering portion 11. When noise in the pulverizing chamber 5 propagates to the pulverizing chamber 5 formed inside the cup cover 4, the noise further propagates in the axial direction to pass through the covering portion 11. At this time, if the noise passing through the covering portion 11 propagates in the radial direction, the noise is blocked by the outer end in the radial direction of the cover 8, the upper surrounding portion 102, and the outer surrounding member 12, thereby reducing the noise. The upper surrounding portion 102 and the lower surrounding portion 101 communicate to constitute a complete surrounding portion 10, and the covering portion 11 communicates where the upper surrounding portion 102 and the lower surrounding portion 101 communicate. The surrounding portion 10 and the covering portion 11 are in communication, which means that noise of the surrounding portion 10 may propagate toward the covering portion 11, and noise of the covering portion 11 may propagate toward the surrounding portion 10. Taking the noise of the surrounding portion 10 as an example, the resistance that the noise of the surrounding portion 10 propagates to the covering portion 11 is smaller than the resistance that the noise of the surrounding portion 10 receives when leaving the surrounding portion 10 in the radial direction and passing through the cup cover 4, so that most of the noise can propagate to the covering portion 11, and the propagation path of the noise is prolonged. In the same way, most of the noise of the cover 11 can be transmitted to the surrounding portion 10, and the noise propagation path is extended. Finally, noise is consumed in the repeated propagation of the cover portion 11 and the surrounding portion 10, and an effect of reducing noise is achieved. Therefore, the thickness of the surrounding portion 10 is also larger than that of the covering portion 11. When the noise of the cover 11 propagates from the cover 11 to the surrounding portion 10, the surrounding portion 10 has a thickness greater than that of the cover 11, so that the noise is likely to be reflected and interfered at the boundary between the surrounding portion 10 and the cover 11, thereby further reducing the noise. The radial width of the surrounding portion 10 is L1, and the radial width of the covering portion 11 is L2, where L1/l2=0.3-0.8:1. Preferably, L1/l2=0.5. If L1/L2 < 0.3, the radial width of the surrounding portion 10 is too small, resulting in that the surrounding portion 10 is easily penetrated by noise, and the noise reduction effect of the surrounding portion 10 is poor. If L1/L2 > 0.8, the radial width of the circumferential portion 10 is too large, resulting in too large a width of the cap 4, and thus too large a weight of the cap 4, affecting consumer experience. Therefore, the surrounding portion 10 can not only achieve good noise reduction effect, but also avoid the overlarge width of the cup cover 4 to influence the consumer experience if L1/l2=0.3-0.8:1.
When the lid 4 is closed on the cup 3, the horizontal portion 15 of the outer surround 12 abuts the upper end of the cup 3, while the surrounding section 17 extends into the cup 3. Therefore, the lowest point of the air layer 9 is located at the lower surrounding portion 101, and the lower surrounding portion 101 is also higher than the horizontal portion 15 of the outer ring winding 12, so that the air layer 9 is located entirely above the cup 3.
The center of the cup cover 4 is provided with a feeding channel 18 and a feeding cover 19 covering the feeding channel 18. An exhaust passage 20 is provided in the charging cover 19, and the upper end of the outer circumferential member 12 is not lower than the upper end of the exhaust passage 20, preferably the upper end of the outer circumferential member 12 is flush with the upper end of the exhaust passage 20. Noise is more likely to be transmitted from the vent passage 20 than through the cap 4. The upper end of the outer ring winding member 12 is not lower than the upper end of the exhaust passage 20, so that the noise in the exhaust passage 20 can be blocked by the outer ring winding member 12 when the noise propagates radially, thereby reducing the noise in the exhaust passage 20 and playing a role in noise reduction.
The upper end of the outer surrounding member 12 and the outer end of the cover member 8 in the radial direction are joined by induction welding to form an outer end weld 21, and the inner end of the cover section 16 in the radial direction and the inner end of the cover member 8 in the radial direction are joined by induction welding to form an inner end weld 22. The central portion in the radial direction of the cover section 16 and the central portion in the radial direction of the cover 8 are joined by induction welding to form a central weld 23. A first sealing piece 24 is arranged between the inner end welding part 22 and the middle part welding part 23, and the first sealing piece 24 adopts silica gel. Of course, induction welding is only one way to achieve welding of the surround 7 and the cover 8, and other welding methods may be used. During operation of the food processor, moist hot gases generated in the comminution chamber 5 are discharged from the exhaust passage 20. The inner end welding part 22 is close to the exhaust passage 20, so that the wet and hot gas is easier to enter the air layer 9 from the inner end welding part 22, and the sealing performance can be enhanced by arranging the first sealing piece 24 between the inner end welding part 22 and the middle welding part 23, and the wet and hot gas is prevented from entering the air layer 9 from the inner end welding part 22. At the same time, the first seal 24 and the middle weld 23 also serve as heat insulation, reducing the likelihood of heat transfer between the hot and humid air and the air layer 9. If the surrounding member 7 and the cover member 8 are sealed with a gasket to form a sealed air layer 9 between the surrounding member 7 and the cover member 8, the air layer 9 is liable to be poor in sealing performance due to the insufficient mounting of the gasket, and water is liable to enter the air layer 9. And the surrounding piece 7 and the covering piece 8 are welded, so that the sealing performance of the air layer 9 is more reliable and stable, and the occurrence of water entering the air layer 9 is reduced.
The surrounding section 17 is provided with a second through hole 25 below the horizontal portion 15 and close to the handle, and the inner cover 6 is provided with a second through hole 25 below the horizontal portion 15 and close to the handle. A rivet 26 is inserted into the second through-hole 25, and the rivet 26 is inserted through the second through-hole 25 of the surrounding section 17 and the second through-hole 25 of the inner cap 6, so that the surrounding part 7 and the inner cap 6 are fixedly connected. At this time, the second through holes 25 are offset from the air layer 9, so that water cannot enter the air layer 9 through the second through holes 25, and the sealability of the air layer 9 is further ensured. At this time, a third seal member 27 is provided between the inner circumferential member 13 and the inner lid 6, and the third seal member 27 is made of silicone rubber.
Example 2
Embodiment 2 differs from embodiment 1 in that the manner of connection of the surrounding piece 7 and the inner cap 6 is different.
Referring to fig. 3, in embodiment 2, the side wall of the inner lid 6 is provided with an annular groove 28, and the surrounding section 17 is provided with a projection 29 which snaps into the annular groove 28. Finally, the cooperation of the projection 29 and the annular groove 28 is used for realizing the fixed connection of the surrounding piece 7 and the inner cover 6, so that the structure is simple, and the assembly is reliable.
Example 3
Referring to fig. 4, embodiment 3 differs from embodiment 2 in that the middle in the radial direction of the cover section 16 and the middle in the radial direction of the cover 8 are eliminated to form a middle welded portion 23 by induction welding.
Example 4
Referring to fig. 5, embodiment 4 differs from embodiment 1 in that the attachment manner of the surrounding piece 7 and the cover 8 is different, and the attachment manner of the surrounding piece 7 and the inner cover 6 is different.
In embodiment 4, the upper end of the outer ring winding member 12 and the radially outer end of the cover member 8 are joined by induction welding to form an outer end weld 21. The cover section 16 is provided with a catch 30 at its radially inner end and the cover 8 is provided with a catch groove 31 co-operating with the catch 30 at its radially inner end. The cooperation of the catch 30 and the catch groove 31 effects a fixed connection of the surround 7 and the cover 8. The joint of the buckle 30 and the clamping groove 31 is provided with an O-shaped ring 32 for sealing, and meanwhile, the waterproof effect is enhanced by adding silica gel. The cover section 16 is provided with a first through hole 33 at the middle in the radial direction, and the inner lid 6 is provided with a horseshoe 34 passing through the first through hole 33. The horse 34 is bent after passing through the first through hole 33, so that the fixing connection of the surrounding piece 7 and the covering piece 8 is realized. The first through hole 33 is located radially outside the junction of the catch 30 and the catch groove 31, so that the first through hole 33 can communicate with the air layer 9. Therefore, a silicone rubber is required to be provided at the horseshoe 34 as the second seal 35 to prevent water from entering the air layer 9 at the first through hole 33.
Example 5
Referring to fig. 6, embodiment 5 differs from embodiment 4 in that the middle in the radial direction of the cover section 16 and the middle in the radial direction of the cover 8 are joined by induction welding to form a middle weld 23. Meanwhile, the first through holes 33 of the cover section 16 are provided at the inner ends of the cover section 16 in the radial direction, and the corresponding pups 34 of the inner lid 6 are provided at the inner ends of the inner lid 6 in the radial direction. At this time, the first through hole 33 is located outside the air layer 9, and an H-shaped sealing ring is provided at the horseshoe 34 as the second sealing member 35.
Example 6
Referring to fig. 7, embodiment 6 differs from embodiment 5 in that in embodiment 4, the air layer 9 is filled with the foamed plastic 36, and the foamed plastic 36 functions to remove air in the air layer 9.
Example 7
Referring to fig. 8 and 9, a low noise food processor includes a base 1 and a stirring cup 2 mounted to the base 1. The stirring cup 2 comprises a cup body 3 and a cup cover 4 for covering the cup body 3. The cup cover 4 and the cup body 3 enclose a crushing cavity 5, and a crushing knife is arranged at the bottom of the crushing cavity 5. The housing 1 is provided with a water tank 37 for supplying water to the pulverizing chamber 5 and a slurry receiving cup 38 for receiving slurry discharged from the pulverizing chamber 5. The cap 4 includes an inner lid 6, a surround 7, and a cover 8. Wherein, inner cup 6 is the metal material, and surrounding piece 7 and covering piece 8 are plastics material, and inner cup 6 forms a part of crushing chamber 5 inner wall. An air layer 9 containing air is formed between the surrounding piece 7 and the cover 8. The air layer 9 includes a surrounding portion 10 and a covering portion 11 that are in communication.
The surround 7 comprises an outer surround 12 and an inner surround 13. The inner and outer windings 13, 12 are radially distributed, the inner winding 13 being located inside the outer winding 12. The outer surrounding member 12 includes a vertical portion 14 and a horizontal portion 15, and the horizontal portion 15 is vertically connected to the lower end of the vertical portion 14, so that the outer surrounding member 12 is L-shaped as a whole. The inner surround 13 comprises a cover section 16 and a surround section 17. The cover section 16 covers the inner cap 6 in the axial direction, and the surrounding section 17 extends downward from the radially outer end of the cover section 16 and surrounds the inner cap 6. The horizontal portion 15 is integrally connected to the lower end of the surrounding section 17. The cover 8 covers the inner cap 6 in the axial direction. A lower surrounding portion 101 surrounding the inner lid 6 in the circumferential direction is formed between the surrounding section 17 and the lower end of the outer surrounding member 12. An upper surrounding portion 102 is formed between the radially outer end of the cover 8 and the upper end of the outer surrounding member 12, and a covering portion 11 is formed between the radially inner end of the cover 8 and the covering section 16 to cover the inner lid 6. The upper surrounding portion 102 is flush with the cover portion 11, while the lower surrounding portion 101 is lower than the cover portion 11. The upper surrounding portion 102 and the lower surrounding portion 101 communicate to constitute a complete surrounding portion 10, and the covering portion 11 communicates with the upper surrounding portion 102. Therefore, the thickness of the surrounding portion 10 is also larger than that of the covering portion 11. The radial width of the surrounding portion 10 is L1, and the radial width of the covering portion 11 is L2, where L1/l2=0.3-0.8:1. Preferably, L1/l2=0.5.
When the cover 4 is covered on the cup body 3, the horizontal portion 15 of the outer ring winding member 12 abuts against the upper end of the cup body 3. Therefore, the lowest point of the air layer 9 is located at the lower surrounding portion 101, and the lower surrounding portion 101 is also higher than the horizontal portion 15 of the outer ring winding 12, so that the air layer 9 is located entirely above the cup 3.
The center of the cup cover 4 is provided with a feeding channel 18 and a feeding cover 19 covering the feeding channel 18. An exhaust passage 20 is provided in the charging cover 19.
The upper end of the outer surrounding member 12 and the outer end of the cover member 8 in the radial direction are joined by induction welding to form an outer end weld 21, and the inner end of the cover section 16 in the radial direction and the inner end of the cover member 8 in the radial direction are joined by induction welding to form an inner end weld 22. Of course, induction welding is only one way to achieve welding of the surround 7 and the cover 8, and other welding methods may be used.
The side wall of the inner cap 6 is provided with an annular groove 28 and the surrounding section 17 is provided with a projection 29 which snaps into the annular groove 28. Finally, the engagement of the projection 29 and the annular recess 28 results in a secure connection of the surround 7 and the inner cap 6.
The present embodiment is merely illustrative of the present invention and is not intended to be limiting, and modifications thereof without creative contribution can be made by those skilled in the art after reading the present specification, as long as they are protected by patent laws within the scope of claims of the present invention.
Claims (8)
1. The utility model provides a low noise food processor, includes the frame and installs the stirring cup on the frame, the stirring cup includes the bowl cover of cup and lid closed cup, characterized by: the cup cover and the cup body enclose a crushing cavity, an air layer for containing air is formed inside the cup cover, the air layer surrounds the crushing cavity at least in the circumferential direction, and the thickness of the air layer is at least partially increased from inside to outside along the radial direction; the air layer comprises a surrounding part surrounding the crushing cavity in the circumferential direction and a covering part covering the crushing cavity in the axial direction, and the surrounding part and the covering part are communicated; the thickness of the surrounding portion is greater than the thickness of the covering portion.
2. A low noise food processor according to claim 1, characterized in that: the upper end of the surrounding part is higher than the upper end of the covering part.
3. A low noise food processor according to claim 1, characterized in that: the radial width of the surrounding part is L1, and the radial width of the covering part is L2, wherein L1/L2=0.3-0.8:1.
4. A low noise food processor according to claim 1, characterized in that: the cup cover includes a surrounding piece surrounding the pulverizing chamber in a circumferential direction and a cover piece covering the pulverizing chamber in an axial direction, and an air layer is formed between the surrounding piece and the cover piece.
5. The low noise food processor of claim 4, wherein: the surrounding piece comprises an outer surrounding piece and an inner surrounding piece positioned on the inner side of the outer surrounding piece, the outer end of the covering piece in the radial direction is higher than the inner end of the covering piece in the radial direction, and an air layer between the outer end of the covering piece in the radial direction and the outer surrounding piece is higher than an air layer between the inner end of the covering piece in the radial direction and the inner surrounding piece.
6. The low noise food processor of claim 4, wherein: the covering piece is downwards in an arc-shaped concave.
7. The low noise food processor of claim 4, wherein: the surrounding member comprises an outer surrounding member and an inner surrounding member positioned inside the outer surrounding member, the inner surrounding member comprises a covering section which covers the crushing cavity in the axial direction and a surrounding section positioned below the covering section,
a surrounding part surrounding the crushing cavity is formed between the surrounding section and the outer ring winding piece; and/or
A covering part for covering the crushing cavity is formed between the covering section and the covering piece.
8. The low noise food processor of claim 4, wherein: the cup cover is provided with a feeding channel and a feeding cover covering the feeding channel, an exhaust channel is arranged in the feeding cover, and the upper end of the surrounding piece is not lower than the upper end of the exhaust channel.
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| CN202011434312.5A CN114617450B (en) | 2020-12-10 | 2020-12-10 | Low-noise food processor |
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| CN202011434312.5A CN114617450B (en) | 2020-12-10 | 2020-12-10 | Low-noise food processor |
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| CN114617450A (en) | 2022-06-14 |
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