CN112675995A - Kitchen waste treatment device - Google Patents
Kitchen waste treatment device Download PDFInfo
- Publication number
- CN112675995A CN112675995A CN202011641311.8A CN202011641311A CN112675995A CN 112675995 A CN112675995 A CN 112675995A CN 202011641311 A CN202011641311 A CN 202011641311A CN 112675995 A CN112675995 A CN 112675995A
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- outer rotor
- rotor frame
- motor
- motor shaft
- crushing
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- 239000010806 kitchen waste Substances 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000003756 stirring Methods 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims abstract description 17
- 239000011810 insulating material Substances 0.000 claims abstract description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 7
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 19
- 238000000227 grinding Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- Crushing And Pulverization Processes (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a kitchen waste treatment device which comprises a waste treatment tank, wherein a crushing and stirring mechanism in the waste treatment tank is connected with a rare earth permanent magnet brushless driving motor, the driving motor comprises an outer rotor frame body, a magnetic conduction ring and magnetic steel are arranged on the inner circumferential surface of the outer rotor frame body, a brushless motor stator winding is fixedly arranged in the center of the outer rotor frame body, the outer rotor frame body is coaxially and fixedly connected with a motor shaft, and the motor shaft is connected with the crushing and stirring mechanism. Because the outer rotor frame body is made of insulating materials, direct conducting substances do not contact between the outer rotor frame, the motor shaft and other parts and the stator winding of the brushless motor, and the leakage condition can not occur during water leakage; the brushless motor is used as a drive, and no reversing spark is generated during operation, so that the explosion-proof effect is achieved. The rare earth permanent magnet brushless motor is used for driving, so that the weight of the driving motor under the same output power is 15% lighter than that of a traditional brush structure motor, and meanwhile, the kitchen garbage treatment device adopts triple waterproof measures, so that the device has the advantages of safety, durability, long service life, good light weight effect and the like.
Description
Technical Field
The invention relates to a garbage disposal device, in particular to a device for crushing kitchen garbage in a kitchen.
Background
With the continuous improvement of the environmental protection requirements of people, more and more attention has been paid to how to carry out garbage treatment more reasonably. At present, the main garbage generated in life is kitchen garbage, and each household generates a large amount of kitchen garbage every day, so that how to treat the garbage is also a problem of important attention of people. At present, some kitchens are provided with kitchen waste smashing devices, kitchen waste is smashed firstly and then is discharged through a sewer, and the kitchen waste smashing device is not blocked by the sewer in the mode and is convenient to use, so that the kitchen waste treatment device is more and more popular with people.
The utility model (patent number: 201320196058.9) discloses a kitchen garbage disposer, which comprises a housing, a screw, an O-shaped sealing ring, an upper cover, a hexagon socket screw, a pressing plate, a vertical cutting blade, a transverse cutting blade, a stirring impeller, a filter screen, an oil seal, a bearing, a stator core with a winding, a rotor assembly, a lower cover, a screw, a wire outlet nozzle and a plug, wherein the upper part of the housing is a garbage crushing chamber, the lower part of the housing is a motor housing, a groove is arranged on the upper end surface of the upper garbage crushing chamber for installing an O-shaped sealing ring, a processing surface is arranged at the step of an inner hole in the middle of the crushing chamber for placing a filter screen, a partition layer is arranged between the upper crushing chamber and the lower motor shell, and the garbage entering the processor is crushed by a vertical cutting blade, a transverse cutting blade and a stirring impeller, filtered by a filter screen and directly discharged to a city sewer through a discharge port.
The kitchen waste disposer drives the blade and the stirring impeller to rotate through the motor to crush the waste, but has certain great defects, because the kitchen waste disposer is arranged in a kitchen and is inevitably contacted with water, the kitchen waste has a large amount of moisture, in order to prevent electric leakage, the kitchen waste disposer is generally provided with a sealing mechanism, but the sealing mechanism is worn along with long-time use, so that the risk of electric leakage still exists, and the harm is caused to the health of users. Moreover, the kitchen garbage disposer is mostly arranged in a lower cabinet at the bottom of a dish washing groove of a kitchen, and gas pipeline interfaces of common families are arranged in the places; when the gas pipeline leaks, if the processor is not explosion-proof, serious potential safety hazard exists; the most used motors in the market at present are non-explosion-proof brush motors, electric sparks are very serious when the brush motors run, and leaked fuel gas is easily detonated by the electric sparks to cause serious safety accidents. The bearing capacity of the built-in sink in the kitchen is not very large, and when the kitchen waste processor is heavy, the sink is likely to fall off and break down; there is therefore a need for further improvements in such kitchen waste disposers.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to design a kitchen waste treatment device with a light weight structure, which has the functions of electric leakage prevention, explosion prevention and water prevention.
The kitchen waste treatment device comprises a waste treatment tank, wherein a crushing and stirring mechanism is arranged in the waste treatment tank and connected with a driving motor, the driving motor is a rare earth permanent magnet brushless motor, the driving motor comprises an outer rotor frame body, a magnetic conduction ring and magnetic steel are arranged on the inner peripheral surface of the outer rotor frame body, a brushless motor stator winding is fixedly arranged in the center of the outer rotor frame body, the outer rotor frame body is fixedly connected with a motor shaft in a coaxial mode, and the motor shaft is connected with the crushing and stirring mechanism.
Preferably, the garbage disposal groove comprises a disposal groove shell and a central fixing seat arranged at the center of the disposal groove shell, the central fixing seat comprises an upper extending part, the upper extending part extends into the garbage disposal groove shell, the motor shaft penetrates through the central fixing seat to be connected with the crushing and stirring mechanism, and a water sealing structure is arranged between the central fixing seat and the motor shaft.
Preferably, smash rabbling mechanism includes one and smashes the blade disc, smash the blade disc with the motor shaft is connected, the lower surface of smashing the blade disc is equipped with a buckler, smash the blade disc with go up the extension position and correspond, the buckler opening covers down go up the up end of extension.
Preferably, the crushing and stirring mechanism further comprises a grinding ring, and the grinding ring is connected with the crushing cutter head.
Preferably, a bearing is arranged between the motor shaft and the inner peripheral surface of the central fixed seat, the bearing is arranged at two ends of the motor shaft, a bearing chamber is formed between the water sealing structure and the adjacent bearing, a water drainage hole is arranged in the bearing chamber, the water drainage hole penetrates through the central fixed seat, and an opening at the lower end of the water drainage hole is positioned in the outer rotor frame.
Preferably, the central stationary base further includes a lower extension extending downwardly into the outer rotor frame, the motor shaft being located within the lower extension, the upper extension.
Preferably, the brushless motor stator winding is fixed to the lower extension.
Preferably, the outer rotor frame is connected with the motor shaft in an insulating manner.
Preferably, smash rabbling mechanism including smashing blade disc, grinding circle, smash the blade disc with the motor shaft is connected, grinding circle with smash the blade disc and connect.
Preferably, the outer rotor frame is made of an insulating material.
Preferably, the processing tank is made of an insulating material.
The technical scheme has the following beneficial effects: the driving motor of the kitchen garbage treatment device is an outer rotor rare earth permanent magnet brushless motor, so that the weight of the driving motor is 15% lighter than that of a traditional brush structure motor under the same output power; therefore, the risk that the embedded water tank falls off after the kitchen waste disposer is installed can be greatly reduced; the crushing and stirring mechanism is connected with the outer rotor frame through the motor shaft, so that even if water leaks into the motor due to damage of the sealing structure, the outer rotor frame, the motor shaft and other parts are not in contact with a stator winding of the brushless motor, the electric leakage condition cannot occur, and the device adopts the brushless motor, so that the device cannot generate reversing sparks during operation and has an explosion-proof function. Meanwhile, the kitchen waste treatment device adopts triple waterproof measures, so that the situation that the motor is damaged due to water leakage can be effectively prevented, and the kitchen waste treatment device has the advantages of safety, durability, light weight, long service life and the like.
Drawings
Fig. 1 is an overall structural view of an embodiment of the present invention.
FIG. 2 is a schematic structural view of a processing bath according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an outer rotor frame in an embodiment of the invention.
Element number description: 1. a charging barrel; 2. grinding rings; 3. a crushing cutter head; 4. a turntable; 5. an upper extension; 6. a treatment tank housing; 7. a refuse disposal tank; 8. a lower extension; 9. a magnetic conductive ring; 10. magnetic steel; 11. a motor shaft; 12. a drain hole; 13. a bearing; 14. an outer rotor frame; 15. a brushless motor stator winding; 16. a stator winding wire; 17. a drain hole; 18 waterproof sealing ring; 19. a waterproof cover; 20. a central fixed seat; 21. a fixed seat.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the invention.
As shown in fig. 1, the present patent discloses a kitchen waste treatment device, which includes a waste treatment tank 7, a crushing and stirring mechanism disposed in the waste treatment tank 7, the crushing and stirring mechanism is connected to a driving motor, the driving motor is an outer rotor rare earth permanent magnet brushless motor, and the driving motor drives the crushing and stirring mechanism to crush and stir waste. As a specific embodiment, the crushing and stirring mechanism comprises a crushing cutter disk 3 and a grinding ring 2, wherein a rotary disk 4 of the crushing cutter disk 3 is connected with a motor shaft 11 of a driving motor, and the grinding ring 2 is used for filtering. The driving motor comprises an outer rotor frame body 14, the outer rotor frame body 14 is arranged below the garbage disposal groove 7, a magnetic conduction ring 9 and magnetic steel 10 are arranged on the inner circumferential surface of the outer rotor frame body 14, a brushless motor stator winding 15 is fixedly arranged in the center of the outer rotor frame body 14, and a lead 16 of the brushless motor stator winding 15 extends out of a gap between the outer rotor frame body 14 and the garbage disposal groove 7 and is connected with an external power supply. The outer rotor frame body 14 is coaxially and fixedly connected with a motor shaft 11, and the motor shaft 11 is connected with a crushing and stirring mechanism.
This structure adopts outer rotor tombarthite permanent magnetism brushless motor drive to smash the rabbling mechanism action, and metal parts such as motor shaft 11, crushing blade disc 3 and grinding ring 2 do not contact with the brushless motor stator winding 15 of circular telegram completely, even the situation of leaking appears like this, and water enters into brushless motor stator winding 15 and also can not outwards electrically conduct through motor shaft 11, crushing blade disc 3 and grinding ring 2, prevents that the electric leakage from producing, can effectively ensure user's personal safety. The weight of the driving motor is 15% lighter than that of the traditional brush structure motor under the same output power; therefore, the risk that the embedded water tank falls off after the kitchen waste disposer is installed can be greatly reduced.
In a preferred embodiment, the motor shaft 11 and the outer rotor frame 14 should be connected in an insulating manner. As a specific embodiment, the outer rotor frame 14 may be made of a polymer insulating material, which can effectively reduce the weight of the whole garbage disposal device, and thus can prevent the embedded sink from collapsing due to the overweight of the garbage disposal device. Because the outer rotor frame body is made of insulating materials, even if the kitchen garbage treatment device is damaged due to the sealing structure after being used for a long time, water leaks into the motor, and because no direct conducting substance is in contact with the components such as the outer rotor frame, the motor shaft and the like and the stator winding of the brushless motor, the situation of electric leakage can not occur during water leakage.
As shown in fig. 2, in order to achieve a better waterproof effect, the garbage disposal groove 7 can be disposed as two parts, namely a garbage disposal groove housing 6 and a central fixing seat 20, the central fixing seat 20 is disposed at the center of the garbage disposal groove housing 6, and the central fixing seat 20 is of a hollow structure. Motor shaft 11 passes central fixing base 6 and smashes rabbling mechanism and is connected central fixing base 6 and include extension 5 on, goes up extension 5 and stretches into in refuse treatment groove shell 6, goes up the top of extension 5 and is higher than the bottom surface of refuse treatment groove 7 like this, prevents that 7 ponding of refuse treatment groove from along motor shaft 11 infiltration to the motor in. In order to achieve better waterproof effect, a water sealing structure, such as a waterproof sealing ring, may be disposed between the central fixing base 20 and the motor shaft 11.
The crushing cutter head 3 is arranged in the middle of the garbage disposal groove 7, when the processor crushes the kitchen garbage, the water sealing structure is damaged after being used for a long time, and the flushing water can penetrate through the risk of the bearing water sealing. The kitchen waste treatment device is characterized in that a bearing 13 is arranged between a motor shaft and the inner peripheral surface of the central fixed seat, the bearing 13 is arranged at two ends of the motor shaft 11, a bearing chamber is formed between the waterproof sealing ring and the adjacent bearing 13, a drain hole 17 can be arranged in the bearing chamber, the drain hole 17 penetrates through the central fixed seat, and the lower end opening of the drain hole 17 is positioned in the outer rotor frame 14. Thus, when water permeates through the water sealing structure, harmful water seepage is outwardly discharged through the water discharge holes 17.
In order to achieve better waterproof effect, a waterproof cover 19 can be arranged on the lower surface of the rotating disc 4, the waterproof cover 19 corresponds to the position of the upper extending part, and the opening of the waterproof cover 19 covers the upper end surface of the upper extending part 5 downwards. The waterproof cover 19 is reversely buckled, when water accumulated in the garbage disposal groove 7 exceeds the lower edge of the waterproof cover 19, a part of gas can be sealed in the waterproof cover 19, so that a gas sealing structure is formed, and the water accumulated in the motor can be prevented from permeating into the motor along the motor shaft 11.
Preferably, the central fixing base 20 further includes a lower extension portion 8, the lower extension portion 8 extends downward into the outer rotor frame body 14, the water drain hole 17 penetrates through the central fixing base 20 from top to bottom, and the outer rotor frame body 14 is also provided with a water drain opening 12 corresponding to the water drain hole 17. Thus, even if water enters the bearing chamber, it is directly discharged through the water discharge hole 17 without penetrating into the motor downward along the motor shaft.
As an embodiment of this patent, the garbage disposal tank is made of an insulating material, and the brushless motor stator winding 15 is directly fixed on the lower extension 8 of the garbage disposal tank 7, so that the insulating material can prevent the leakage of electricity and further reduce the weight of the whole device. In order to achieve a better protection effect, a fixing seat 21 (as shown in fig. 3) may be further disposed in the center of the outer rotor frame 14, and the fixing seat 21 is used for being fixedly connected with the motor shaft 11, so that a contact area between the outer rotor frame 14 and the motor shaft 11 may be increased, and a transmission effect is better. Meanwhile, the upper end of the fixing seat 21 also extends into the central fixing seat 20, so that the whole motor shaft 11 is completely sealed, and the condition of outward electric leakage through the motor shaft can be effectively prevented.
The driving motor of the kitchen garbage disposal device is an outer rotor brushless motor, and the crushing and stirring mechanism is connected with the outer rotor frame through the motor shaft, so that even if water leaks into the motor due to damage of the sealing structure, because output components such as the outer rotor frame body and the motor shaft are not in direct contact with a stator winding of the brushless motor, the electric leakage condition can not occur; the device adopts the rare earth permanent magnet brushless motor, so that no reversing spark is generated during operation, and the device also has an explosion-proof effect. Meanwhile, the kitchen garbage disposal device adopts triple waterproof measures, can effectively prevent the motor from being damaged due to water leakage, and has the advantages of safety, durability, long service life, good light weight effect and the like.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a surplus refuse treatment device in kitchen, includes the refuse treatment groove, be equipped with crushing rabbling mechanism in the refuse treatment groove, it is connected its characterized in that to smash rabbling mechanism and driving motor: the drive motor is a rare earth permanent magnet brushless motor, the drive motor comprises an outer rotor frame body, a magnetic conduction ring and magnetic steel are arranged on the inner circumferential surface of the outer rotor frame body, a brushless motor stator winding is fixedly arranged in the center of the outer rotor frame body, the outer rotor frame body is coaxially and fixedly connected with a motor shaft, and the motor shaft is connected with the crushing and stirring mechanism.
2. The kitchen waste disposal device according to claim 1, wherein: the garbage disposal groove comprises a disposal groove shell and a central fixing seat arranged at the center of the disposal groove shell, the central fixing seat comprises an upper extending part, the upper extending part extends into the garbage disposal groove shell, the motor shaft penetrates through the central fixing seat to be connected with the crushing and stirring mechanism, and a water sealing structure is arranged between the central fixing seat and the motor shaft.
3. The kitchen waste disposal device according to claim 2, wherein: the crushing and stirring mechanism comprises a crushing cutter head, the crushing cutter head is connected with the motor shaft, a waterproof cover is arranged on the lower surface of the crushing cutter head, the crushing cutter head corresponds to the upper extending part, and the opening of the waterproof cover covers the upper end face of the upper extending part downwards.
4. The kitchen waste disposal device according to claim 3, wherein: the crushing and stirring mechanism further comprises a grinding ring, and the grinding ring is connected with the crushing cutter head.
5. The kitchen waste disposal device according to claim 2, wherein: the bearing is arranged between the motor shaft and the inner peripheral surface of the central fixed seat, the bearings are arranged at two ends of the motor shaft, a bearing chamber is formed between the water sealing structure and the adjacent bearing, a drain hole is arranged in the bearing chamber, the drain hole penetrates through the central fixed seat, and an opening at the lower end of the drain hole is positioned in the outer rotor frame.
6. The kitchen waste disposal device according to claim 2, wherein: the central stationary seat further includes a lower extension extending downwardly into the outer rotor frame, the motor shaft being located within the lower extension, the upper extension.
7. The kitchen waste disposal device according to claim 6, wherein: the brushless motor stator winding is fixed to the lower extension.
8. The kitchen waste disposal device according to claim 1, wherein: the outer rotor frame is connected with the motor shaft in an insulating mode.
9. The kitchen waste disposal device according to any one of claims 1 to 8, wherein: the outer rotor frame is made of insulating materials.
10. The kitchen waste treatment apparatus according to any one of claims 1 to 9, wherein: the processing tank is made of insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011641311.8A CN112675995A (en) | 2020-12-31 | 2020-12-31 | Kitchen waste treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011641311.8A CN112675995A (en) | 2020-12-31 | 2020-12-31 | Kitchen waste treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112675995A true CN112675995A (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011641311.8A Pending CN112675995A (en) | 2020-12-31 | 2020-12-31 | Kitchen waste treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112675995A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2011100575A4 (en) * | 2011-02-23 | 2011-06-23 | Emerson Electric Co. | Battery powered food waste disposer |
| CN203209132U (en) * | 2013-04-18 | 2013-09-25 | 咸宁市凤凰机电产业技术研发有限公司 | Kitchen waste processor |
| CN107916702A (en) * | 2016-09-13 | 2018-04-17 | 芜湖广盈实业有限公司 | A kind of intelligent food waste disposer |
| CN210372005U (en) * | 2019-09-14 | 2020-04-21 | 张家港市华祥离心机制造有限公司 | Transmission waterproof structure of flat centrifuge |
| CN214439708U (en) * | 2020-12-31 | 2021-10-22 | 苏州睿动电气科技有限公司 | Kitchen waste treatment device |
-
2020
- 2020-12-31 CN CN202011641311.8A patent/CN112675995A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2011100575A4 (en) * | 2011-02-23 | 2011-06-23 | Emerson Electric Co. | Battery powered food waste disposer |
| CN203209132U (en) * | 2013-04-18 | 2013-09-25 | 咸宁市凤凰机电产业技术研发有限公司 | Kitchen waste processor |
| CN107916702A (en) * | 2016-09-13 | 2018-04-17 | 芜湖广盈实业有限公司 | A kind of intelligent food waste disposer |
| CN210372005U (en) * | 2019-09-14 | 2020-04-21 | 张家港市华祥离心机制造有限公司 | Transmission waterproof structure of flat centrifuge |
| CN214439708U (en) * | 2020-12-31 | 2021-10-22 | 苏州睿动电气科技有限公司 | Kitchen waste treatment device |
Non-Patent Citations (1)
| Title |
|---|
| 唐定骧等: "《稀土金属材料》", vol. 1, 31 August 2011, 北京：冶金工业出版社, pages: 159 - 160 * |
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Address after: 215000 No.88 shidaolu, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province Applicant after: SUZHOU RUIDONG ELECTRIC TECHNOLOGY CO.,LTD. Address before: 215000 F1-F2, Jinmao Industrial Park, 8 Dongshan Avenue, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province Applicant before: SUZHOU RUIDONG ELECTRIC TECHNOLOGY CO.,LTD. |
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