CN219572600U - Air-drying device convenient to adjust - Google Patents
Air-drying device convenient to adjust Download PDFInfo
- Publication number
- CN219572600U CN219572600U CN202320476098.2U CN202320476098U CN219572600U CN 219572600 U CN219572600 U CN 219572600U CN 202320476098 U CN202320476098 U CN 202320476098U CN 219572600 U CN219572600 U CN 219572600U
- Authority
- CN
- China
- Prior art keywords
- protection casing
- air
- setting
- bull sticks
- convenient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to the technical field of konjak knots air-drying, and discloses an air-drying device convenient to adjust. Through setting up the motor, the starter motor drives a bull stick rotation, a bull stick rotation drives the fan and rotates, the cooperation heating rod is convenient for blow in the protection casing with hot-blast, thereby be convenient for air-dry the konjaku silk knot of carrying to the protection casing inside, through setting up two sprocket cooperation chain transmissions, it rotates to drive No. two bull sticks when a bull stick rotates, through setting up two bevel gear transmissions, no. two bull sticks rotate and drive No. three bull sticks and rotate, no. three bull sticks rotate and make the exhaust fan rotate, thereby be convenient for air-dry the produced moisture quick discharge with konjaku silk knot in the protection casing.
Description
Technical Field
The utility model relates to the technical field of konjak knots air-drying, in particular to an air-drying device convenient to adjust.
Background
The konjak cake product is formed by extruding konjak gel into a thread shape through a die, and packaging the konjak cake in an alkali liquor packing box, and in order to ensure sanitation and safety, the product needs to be pasteurized before delivery, and the sterilization process is usually that the product is sterilized at high temperature through high temperature water, then the packing box is conveyed to a screen conveying chain plate, and in the conveying process, the water on the surface of the packing box needs to be dried by adopting a blowing device.
The publication number is: the convenient-to-adjust air-drying device of the konjak thread knot Barbary disinfection production line disclosed in CN212829497U can conveniently adjust the height of the device, further ensure the air-drying effect, conveniently adjust the height of the lifting transverse plate through the guide structure, and further adjust the height of the air blowing device to reach the optimal height. Can realize stable lift regulation through adopting first regulation spout and second regulation spout, can realize high regulation through foretell lift adjustment mechanism through screw-thread fit, in the regulation process, through rotating adjust knob, through adjust knob drive lifting screw, and then through the height of lifting screw regulation lifting diaphragm, can realize blowing air-dry operation through foretell blast apparatus. In the working process, the fan blades are driven by the motor, and air blowing is generated in the centrifugal fan cover through the fan blades, so that the air is blown out of the conical air outlet cover, and further the air blowing and drying action is realized.
However, this prior art only air-dries through the fan bloies when using, and air-drying efficiency is lower.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an air drying device convenient to adjust. Its advantage lies in through setting up air-drying mechanism, a bull stick rotates and drives the fan and rotate, and the cooperation heating rod is convenient for blow in the protection casing with hot-blast to be convenient for air-dry the konjaku silk knot that carries to the protection casing inside, thereby promote air-dry speed.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an air-dry device convenient to adjust, includes the conveyer belt, the backup pad is installed to the both sides of conveyer belt, two the supporting leg is installed respectively to the bottom of backup pad, two the top fixed mounting of backup pad has the protection casing, the both ends of protection casing are the opening setting, the opening has been seted up at the top of protection casing, opening department fixed mounting has the mounting box, be provided with air-dry mechanism in the mounting box, the exhaust hole has been seted up to the back of protection casing, exhaust hole department is provided with circulation energy-saving mechanism. Through setting up the conveyer belt, be convenient for carry konjaku silk knot through the conveyer belt and air-dry in the protection casing.
Preferably, the bottom of installation case sets up for the opening, air-drying mechanism includes: the machine case, machine case fixed mounting is at the top of installing the case, the inside fixed mounting of machine case has the motor, the output of motor passes through shaft coupling fixedly connected with bull stick No. one, fixed cover is equipped with the fan on the outer wall of bull stick No. one, the inside of installing the case is provided with the heating rod, the both ends of heating rod respectively with the both sides inner wall fixed connection of installing the case, just the heating rod is located the below of fan. Through setting up the motor, the starter motor drives a bull stick rotation, and a bull stick rotation drives the fan and rotates, and the cooperation heating rod is convenient for blow in the protection casing with hot-blast to be convenient for air-dry to carrying to the konjaku silk knot of protection casing inside.
Preferably, the top of protection casing is connected with No. two bull sticks through the bearing rotation, fixed cover is equipped with the sprocket respectively on the outer wall of No. one bull stick and No. two bull sticks, two the sprocket passes through chain drive and connects, the back of protection casing is connected with No. three bull sticks through the bearing rotation, fixed cover is equipped with the bevel gear respectively on the outer wall of No. three bull sticks and No. two bull sticks, two bevel gear intermeshing connects, fixed cover is equipped with the exhaust fan on the outer wall of No. three bull sticks, just the exhaust fan is located exhaust hole department. Through setting up two sprocket cooperation chain transmission, drive No. two bull sticks and rotate when a bull stick rotates, through setting up two bevel gear transmissions, no. two bull sticks rotate and drive No. three bull sticks and rotate, no. three bull sticks rotate and make the exhaust fan rotate to be convenient for with the quick discharge of konjaku silk knot air-dries produced moisture in the protection casing.
Preferably, the circulation energy-saving mechanism includes: the heat collection cover is fixedly arranged on the back of the protective cover, the purifying box is fixedly arranged on the back of the protective cover, a first gas pipe is communicated and connected between the protective cover and the purifying box, and a second gas pipe is communicated and connected between the purifying box and the mounting box. Can collect exhaust hot moisture in the protection casing through setting up the heat-collecting cover, be convenient for carry hot moisture to the purifying box in through the heat-collecting cover through setting up a gas-supply pipe and dehumidify the purification, be convenient for carry the steam after purifying again to the installation incasement through setting up No. two gas-supply pipes to the heat that uses when reducing the heating has improved the heating effect, has not only played air-dried effect, has still realized energy-concerving and environment-protective.
Preferably, the front of the purifying box is hinged with a box door through two hinges, two ventilation partition boards are fixedly arranged in the purifying box, active carbon is arranged at the top of each ventilation partition board at the bottom of the purifying box, and quicklime is arranged above each active carbon. Can play separation and ventilative effect to dehumidification material through setting up two ventilative baffles, can carry out preliminary absorption to the moisture in the hot moisture through setting up the active carbon, can further get rid of the moisture in the hot moisture through setting up quick lime, through setting up the chamber door, be convenient for the change of active carbon and quick lime.
Preferably, the heat insulation curtains are fixedly installed at the openings at the two sides of the protective cover, the rectangular groove is formed in the front face of the protective cover, the observation window is fixedly installed in the rectangular groove, and the control panel is fixedly installed on the front face of the protective cover. The heat insulation curtains are arranged at the openings at the two sides of the protective cover, so that the emission of hot air in the protective cover can be avoided, and the energy-saving effect is achieved.
(III) beneficial effects
Compared with the prior art, the utility model provides an air drying device convenient to adjust, which has the following beneficial effects:
1. this air-drying device convenient to adjust, through setting up the motor, the starter motor drives a bull stick rotation, a bull stick rotation drives the fan and rotates, the cooperation heating rod is convenient for blow in the protection casing with hot-blast, thereby be convenient for air-dry the konjaku silk knot that carries to the protection casing inside, through setting up two sprocket cooperation chain transmissions, it rotates to drive No. two bull sticks when a bull stick rotates, through setting up two bevel gear transmissions, no. two bull sticks rotate and drive No. three bull sticks and rotate, no. three bull sticks rotate and make the exhaust fan rotate, thereby be convenient for air-dry the moisture that produces with konjaku silk knot in the protection casing quick discharge.
2. This air-drying device convenient to adjust can collect exhaust hot moisture in the protection casing through setting up the heat-collecting cover, be convenient for carry hot moisture to the purifying box through the heat-collecting cover through setting up a gas-supply pipe, can play separation and ventilative effect to dehumidification material through setting up two ventilative baffles, through setting up activated carbon, can carry out preliminary absorption to the moisture in the hot moisture, can further get rid of the moisture in the hot moisture through setting up quick lime, be convenient for carry the steam after purifying again to the installing box in through setting up No. two gas-supply pipes, thereby heat that uses when reducing the heating has improved the heating effect, not only play air-dried effect, still realized energy-concerving and environment-protective, can avoid the giving off of the inside steam of protection casing through setting up heat-insulating curtain in the both sides opening of protection casing, play energy-conserving effect.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a front view of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic view showing the internal structure of the purifying box of the present utility model.
In the figure: 1. a conveyor belt; 2. a support plate; 3. a protective cover; 4. a mounting box; 5. an air drying mechanism; 501. a chassis; 502. a first rotating rod; 503. a fan; 504. a heating rod; 505. a second rotating rod; 506. a sprocket; 507. a third rotating rod; 508. bevel gears; 509. an exhaust fan; 6. a circulating energy-saving mechanism; 601. a heat collecting cover; 602. a purifying box; 603. a first gas pipe; 604. a second gas pipe; 605. a door; 606. a breathable separator; 607. activated carbon; 608. quicklime; 7. a thermal insulation curtain; 8. an observation window; 9. and a control panel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
As shown in fig. 1-3, the utility model provides an air drying device convenient to adjust, which comprises a conveyer belt 1, wherein two sides of the conveyer belt 1 are provided with support plates 2, the bottoms of the two support plates 2 are respectively provided with support legs, the tops of the two support plates 2 are fixedly provided with a protective cover 3, two ends of the protective cover 3 are provided with openings, the top of the protective cover 3 is provided with a through hole, the through hole is fixedly provided with a mounting box 4, an air drying mechanism 5 is arranged in the mounting box 4, the back of the protective cover 3 is provided with an exhaust hole, the exhaust hole is provided with a circulating energy-saving mechanism 6, and the konjak knots are conveniently conveyed into the protective cover 3 through the conveyer belt 1 to be air-dried by arranging the conveyer belt 1, the bottom of the mounting box 4 is provided with an opening, and the air drying mechanism 5 comprises: the top at install bin 4 of quick-witted case 501 fixed mounting, the inside fixed mounting of quick-witted case 501 has the motor, the output of motor passes through shaft coupling fixedly connected with bull stick 502, fixed cover is equipped with fan 503 on the outer wall of bull stick 502, the inside of install bin 4 is provided with heating rod 504, the both ends of heating rod 504 are connected with bull stick 507 respectively with the both sides inner wall fixed connection of install bin 4, and heating rod 504 is located the below of fan 503, through setting up the motor, drive bull stick 502 rotation in the starter motor, first bull stick 502 rotates and drives fan 503 and rotate, the cooperation heating rod 504, be convenient for blow into protection casing 3, thereby be convenient for carry the konjaku silk knot to the inside of protection casing 3 and air-dry, the top of protection casing 3 is connected with bull stick 505 No. two through the bearing rotation, fixed cover is equipped with sprocket 506 on the outer wall of bull stick 502 No. two bull sticks 505 respectively, two sprocket 506 pass through the chain transmission connection, the back of protection casing 3 is connected with bull stick 507 through the bearing rotation, fixed cover is equipped with the bull stick 508 on the outer wall of No. 507 and No. two bull stick 505 respectively, two bevel gears 508 intermeshing connect, be equipped with the rotation of fan 509 on the outer wall of No. 507, no. 507 and No. two fan 509 rotate and No. 505 rotate through the exhaust fan and No. two exhaust fan rotation is located the exhaust fan and rotate the exhaust fan is set up through No. 505, no. two exhaust fan rotation and No. 505 and is convenient for rotate and exhaust fan No. 505.
In this embodiment, through setting up the motor, the starter motor drives a bull stick 502 rotation, a bull stick 502 rotation drives fan 503 rotation, cooperation heating rod 504, be convenient for blow in protection casing 3 with hot-blast, thereby be convenient for air-dry the konjaku silk knot that carries to the protection casing 3 inside, through setting up two sprocket 506 cooperation chain drive, it rotates to drive No. two bull sticks 505 when a bull stick 502 rotates, through setting up two bevel gears 508 transmission, no. two bull sticks 505 rotation drives No. three bull sticks 507 rotation, no. three bull sticks 507 rotation makes exhaust fan 509 rotate, thereby be convenient for air-dry the produced moisture quick discharge with konjaku silk knot in the protection casing 3.
Example 2
As shown in fig. 1-3, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the circulation economizer mechanism 6 includes: the heat-collecting cover 601 fixed mounting is in the back of protection casing 3, the back of protection casing 3 still fixed mounting has purifying box 602, communicate with each other between protection casing 3 and the purifying box 602 and be connected with No. one gas-supply pipe 603, communicate with each other between purifying box 602 and the mounting box 4 and be connected with No. two gas-supply pipes 604, can collect the interior exhaust hot moisture of protection casing 3 through setting up heat-collecting cover 601, be convenient for carry hot moisture to the purifying box 602 in through setting up No. one gas-supply pipe 603 and carry out dehumidification purification, be convenient for carry the steam after purifying again to the mounting box 4 in through setting up No. two gas-supply pipe 604, thereby reduce the heat that uses when heating, the heating effect has been improved, not only play the effect of air-drying, still realized energy-conserving environmental protection, the front of purifying box 602 articulates there is chamber door 605 through two hinges, the inside fixed mounting of purifying box 602 has two ventilative baffles 606, the top of bottom ventilative baffle 606 is provided with active carbon 607, the top of active carbon is provided with quick lime 608, can play separation and ventilative effect to the dehumidification material through setting up No. two ventilative baffles 606, can carry out dehumidification material through setting up the moisture removal through setting up No. two ventilative baffles 606, can carry out the moisture removal to the moisture in the protection casing 3, can be further set up the moisture in the front of the protection casing 3, the front is set up the front of the protection casing is provided with a rectangular window 7, and is further through setting up the moisture-shaped box 7, and is further has a moisture-permeable window 7, and has a moisture-absorbing device is mounted in the front 3, and has a moisture-absorbing device is mounted, and has a moisture-absorbing device, and is opened, and is used 3, and can be opened, and is used.
In this embodiment, can collect exhaust hot moisture in the protection casing 3 through setting up heat collecting cover 601, be convenient for carry hot moisture to purifying box 602 through setting up the gas-supply pipe 603 in, can play separation and ventilative effect to dehumidification material through setting up two ventilative baffles 606, through setting up activated carbon 607, can carry out preliminary absorption to the moisture in the hot moisture, can further get rid of the moisture in the hot moisture through setting up quick lime 608, be convenient for carry the steam after purifying again to the installation incasement 4 through setting up No. two gas-supply pipe 604, thereby reduce the heat that uses when heating, the heating effect has been improved, not only play the effect of air-drying, still realized energy-concerving and environment-protective, can avoid the giving off of the inside steam of protection casing 3 through setting up heat insulating curtain 7 in the both sides opening of protection casing 3, play energy-conserving effect.
The working principle of the air drying device convenient to adjust is specifically described below.
When using, as shown in fig. 1-3, through setting up conveyer belt 1, be convenient for carry konjaku silk knot through conveyer belt 1 to air-dry in the protection casing 3, through setting up the motor, start-up motor drives a bull stick 502 rotation, a bull stick 502 rotates and drives fan 503 rotation, the cooperation heating rod 504, be convenient for blow in the protection casing 3 with hot-blast, thereby be convenient for carry to the konjaku silk knot of protection casing 3 inside air-dry, through setting up two sprocket 506 cooperation chain drive, drive No. two bull sticks 505 and rotate when No. one bull stick 502 rotates, through setting up two bevel gears 508 transmission, no. two bull sticks 505 rotate and drive No. three bull sticks 507 rotation, no. three bull sticks 507 rotate and make exhaust fan 509 rotate, thereby be convenient for air-dry the quick discharge of produced moisture with konjaku silk knot in the protection casing 3, can collect the hot gas of exhaust in the protection casing 3 through setting up the heat-collecting cover 601, be convenient for carry to the purifying box 602 through setting up a hot gas pipe 603, can play separation and ventilation effect to dehumidification material, through setting up active carbon 607, can carry out the effect of energy-conserving heat pipe 608 in the heat-conserving box that can be further through setting up the energy-conserving through setting up in the energy-conserving box that sets up in the heat-conserving box that can be further heat-conserving noise-conserving box that sets up in the protection casing 3, the energy-conserving effect is realized, the heat can be further has been reduced through setting up the energy-conserving effect of setting up in the energy-conserving air-conserving box that can be more than 1 to be more than the protection casing, and can realize the heat-conserving air-conserving effect is convenient to be more than set up in the inside in the protection casing is convenient to be more than has set up in the protection casing is convenient to be set up.
Claims (6)
1. Air-drying device convenient to adjust, including conveyer belt (1), its characterized in that: the utility model discloses a conveyer belt, including conveyer belt (1) and protection casing (6), backup pad (2) are installed to both sides of conveyer belt (1), two supporting leg is installed respectively to the bottom of backup pad (2), two the top fixed mounting of backup pad (2) has protection casing (3), the both ends of protection casing (3) are the opening setting, the opening has been seted up at the top of protection casing (3), opening department fixed mounting has install case (4), be provided with air-dry mechanism (5) in install case (4), the exhaust hole has been seted up at the back of protection casing (3), exhaust hole department is provided with circulation energy-saving mechanism (6).
2. An air drying apparatus for facilitating adjustment according to claim 1, wherein: the bottom of install bin (4) is the opening setting, air-dry mechanism (5) include: the novel electric heating cabinet comprises a cabinet (501), wherein the cabinet (501) is fixedly arranged at the top of a mounting cabinet (4), a motor is fixedly arranged in the cabinet (501), the output end of the motor is fixedly connected with a first rotating rod (502) through a coupling, a fan (503) is fixedly sleeved on the outer wall of the first rotating rod (502), a heating rod (504) is arranged in the mounting cabinet (4), two ends of the heating rod (504) are respectively fixedly connected with two side inner walls of the mounting cabinet (4), and the heating rod (504) is located below the fan (503).
3. An air drying apparatus for facilitating adjustment according to claim 2, wherein: the top of protection casing (3) is connected with No. two bull sticks (505) through the bearing rotation, fixed cover is equipped with sprocket (506) respectively on the outer wall of No. one bull stick (502) and No. two bull sticks (505), two sprocket (506) are connected through the chain drive, the back of protection casing (3) is connected with No. three bull sticks (507) through the bearing rotation, no. three fixed cover is equipped with bevel gear (508) respectively on the outer wall of No. three bull sticks (507) and No. two bull sticks (505), two bevel gear (508) intermeshing connects, fixed cover is equipped with exhaust fan (509) on the outer wall of No. three bull sticks (507), just exhaust fan (509) are located exhaust hole department.
4. An air drying apparatus for facilitating adjustment according to claim 1, wherein: the circulation energy-saving mechanism (6) comprises: the heat collection cover (601), heat collection cover (601) fixed mounting is at the back of protection casing (3), the back of protection casing (3) still fixed mounting has purifying box (602), communicate with each other between protection casing (3) and purifying box (602) and be connected with gas-supply pipe (603) No. one, communicate with each other between purifying box (602) and install box (4) and be connected with gas-supply pipe (604) No. two.
5. An air drying apparatus for facilitating adjustment according to claim 4, wherein: the front of purifying box (602) is articulated through two hinges have chamber door (605), the inside fixed mounting of purifying box (602) has two ventilative baffle (606), the bottom the top of ventilative baffle (606) is provided with active carbon (607), the top of active carbon (607) is provided with quick lime (608).
6. An air drying apparatus for facilitating adjustment according to claim 1, wherein: the heat insulation curtain is characterized in that heat insulation curtains (7) are fixedly installed at openings at two sides of the protective cover (3), rectangular grooves are formed in the front face of the protective cover (3), observation windows (8) are fixedly installed in the rectangular grooves, and a control panel (9) is fixedly installed on the front face of the protective cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320476098.2U CN219572600U (en) | 2023-03-13 | 2023-03-13 | Air-drying device convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320476098.2U CN219572600U (en) | 2023-03-13 | 2023-03-13 | Air-drying device convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219572600U true CN219572600U (en) | 2023-08-22 |
Family
ID=87656945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320476098.2U Active CN219572600U (en) | 2023-03-13 | 2023-03-13 | Air-drying device convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219572600U (en) |
-
2023
- 2023-03-13 CN CN202320476098.2U patent/CN219572600U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110025227B (en) | Oven with automatic dehumidifying and drying functions | |
| CN110108098A (en) | A kind of multipurpose heat pump barn | |
| CN109059471A (en) | A kind of device of instant feedstuff flash baking | |
| CN110849133A (en) | Energy-conserving gynostemma pentaphylla drying furnace | |
| CN110148898A (en) | A kind of porous power matching network cross-connecting box of high security | |
| CN115626754A (en) | Hot gas circulation type sludge heat pump drying device | |
| CN219572600U (en) | Air-drying device convenient to adjust | |
| CN219776252U (en) | Speed-changing unidirectional roller of dryer for gypsum board production line | |
| CN213300801U (en) | Food processing drying device | |
| CN208238461U (en) | Circulation drying device is used in a kind of production of desiccant | |
| CN213543058U (en) | Desiccator for chemical industry | |
| CN210832851U (en) | Self-adjusting spiral roller infrared drying equipment | |
| CN206895736U (en) | A kind of tealeaves sterilizing, drying device | |
| CN2471120Y (en) | Steam tea processing apparatus | |
| CN209106269U (en) | A kind of cylinder vegetable drying machine | |
| CN112361722A (en) | Microwave drying sterilization for bamboo chopstick processing | |
| CN220959358U (en) | Ceramic blank drying device | |
| CN219735860U (en) | Multifunctional fire-resistant high-temperature-resistant hollow brick drying box | |
| CN220417965U (en) | Intelligent oven with safety monitoring function | |
| CN209541368U (en) | A kind of modular oily skin of beancurd drying unit | |
| CN216668197U (en) | Heating mechanism of drying machine | |
| CN214690792U (en) | Jar is deposited to konjaku convenient to inside drying | |
| CN220524526U (en) | Drying device is used in refractory material processing | |
| CN210892598U (en) | Drying device for preparing glucosamine | |
| CN220338975U (en) | Drying mechanism with dustproof function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |