CN113803830B - Air outlet net for air purifier and processing technology - Google Patents
Air outlet net for air purifier and processing technology Download PDFInfo
- Publication number
- CN113803830B CN113803830B CN202110985285.9A CN202110985285A CN113803830B CN 113803830 B CN113803830 B CN 113803830B CN 202110985285 A CN202110985285 A CN 202110985285A CN 113803830 B CN113803830 B CN 113803830B
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- welding
- iron wire
- grid
- wire
- air outlet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K13/00—Welding by high-frequency current heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
- F24F13/084—Grilles, registers or guards with mounting arrangements, e.g. snap fasteners for mounting to the wall or duct
Abstract
The invention provides an air outlet net for an air purifier, which belongs to the technical field of air purifiers and comprises the following components: a base; welding iron wires; the grids are welded on the clamping grooves through the welding iron wires. Secondly, the invention also provides a processing technology, which belongs to the technical field of purifier processing, and comprises the following steps: s1: respectively embedding the first welding iron wire, the second welding iron wire and the third welding iron wire into three clamping grooves of the matrix; s2: respectively embedding the first grating, the second grating and the third grating into three clamping grooves of the matrix; s3: and (5) placing the assembled air outlet net into a high-frequency welding machine. The beneficial effects of the invention are as follows: the high-frequency welding machine is used for generating a high-frequency magnetic field, each welding iron wire heats and melts through the eddy effect, each grid is welded with each clamping groove of the base body, and the combination of the grids and the clamping grooves is tight and not easy to fall off, so that the welding machine is very firm.
Description
Technical Field
The invention belongs to the technical field of air purifiers, relates to an air outlet net for an air purifier, and further relates to a processing technology.
Background
The air purifier carries out the air-out through the air outlet, and current air purifier's air-out net all is provided with the grating board that is favorable to the guide air current, and the mounting means of grating board does not fix unified standard, consequently in order to accelerate manufacturing production efficiency, some air purifier often judges the installation position through the naked eye of people, again directly welds the grating board on the air-out net.
The simple and rough installation mode cannot ensure that whether each welding point is uniform, the installed grating plates are not firm enough, so that the grating plates are easy to fall off, and the grating plates are inclined in installation, so that the air guiding performance of the air purifier during air outlet can be reduced, and the air outlet net for the air purifier has a large improvement space.
Disclosure of Invention
The invention aims at solving the problems in the prior art and provides an air outlet net for an air purifier and a processing technology.
The aim of the invention can be achieved by the following technical scheme:
an air outlet net for an air purifier, comprising:
the base body is provided with at least two clamping grooves, and the clamping grooves are concentrically arranged along the base body from inside to outside in sequence from small to large;
a welding iron wire arranged in the clamping groove;
and a grill which is inserted into the clamping groove and covers the welding wire so as to limit the welding wire in the clamping groove, and is welded on the clamping groove through the welding wire.
Preferably, the base body comprises an inner ring, an outer ring and a connecting strip, the inner ring is concentrically arranged in the outer ring, one end of the connecting strip is connected with the inner ring, the other end of the connecting strip is connected with the outer ring, and the clamping groove is connected with the connecting strip.
Preferably, the base body, the clamping groove, the welding iron wires and the grille are all of polygonal structures.
Secondly, a processing technology is provided, comprising the air outlet net for the air purifier, and further comprising the following steps:
s1: respectively embedding the first welding iron wire, the second welding iron wire and the third welding iron wire into three clamping grooves of the matrix;
s2: respectively embedding the first grating, the second grating and the third grating into three clamping grooves of the matrix, wherein the first grating covers the first welding iron wire, the second grating covers the second welding iron wire and the third grating covers the third welding iron wire;
s3: the assembled air outlet net is placed in a high-frequency welding machine, a high-frequency magnetic field is generated through the high-frequency welding machine, the first welding iron wire, the second welding iron wire and the third welding iron wire are heated and melted through eddy effect, and the first grille, the second grille and the third grille are welded with three clamping grooves of the matrix respectively.
Preferably, in step S2, the first grid, the second grid and the third grid are sequentially embedded into the three slots of the substrate from small to large, and when each grid is embedded into the slot, each welding wire is fixed by each grid, so that the welding wire is prevented from being ejected.
Preferably, in step S1, before the first welding wire, the second welding wire and the third welding wire are respectively embedded into the three clamping grooves of the substrate, each welding wire needs to be bent and enclosed to form a regular pentagon structure, and each welding wire is concentrically arranged, in step S2, before the first grid, the second grid and the third grid are respectively embedded into the three clamping grooves of the substrate, each grid needs to be bent and enclosed to form a regular pentagon structure, and each grid is concentrically arranged.
Preferably, in step S1, the matrix and each welding wire are self-inspected, deformation of the matrix and the welding wires is avoided, each welding wire is pre-assembled, the welding wires can be embedded into the clamping grooves through manual adjustment, in step S2, each grid is self-inspected, missing or breakage of the grid is avoided, each grid is pre-assembled, and the grids can be embedded into the clamping grooves through manual adjustment.
Preferably, in step S3, after the assembled air outlet net is placed flatly, the two hands are retracted after pressing the switch of the high-frequency welding machine, and the high-frequency welding machine automatically completes the welding and completely lifts up and then takes out the welded air inlet net.
Preferably, the method further comprises step S4: and (3) checking the welding completion condition of the air outlet net, putting the air outlet net with the glue overflow or iron wire deviation condition into a defective frame, and putting other air outlet nets into a finished frame.
Compared with the prior art, the invention has the beneficial effects that:
1. the thickness of each section of welding iron wire is even, and when welding iron wire melts, the grid passes through welding iron wire and draw-in groove fixed connection, and the combination of grid and draw-in groove is inseparable difficult for droing, and is very firm, and the welding of grid is even, consequently can not appear installing crooked condition.
2. The high-frequency welding machine is used for generating a high-frequency magnetic field, each welding iron wire heats and melts through the eddy effect, each grid is welded with each clamping groove of the base body, and the combination of the grids and the clamping grooves is tight and not easy to fall off, so that the welding machine is very firm.
3. When each grid is embedded into the clamping groove, each welding iron wire is fixed by each grid so as to avoid the spring out of the welding iron wire, if the welding iron wire springs out, the contact between the grids and the clamping groove is insufficient, so that the welding is not firm, and the situation that the grids are askew possibly occurs.
4. The welding iron wires and the grids are required to be pre-assembled and manually adjusted in sequence, so that the welding iron wires and the grids can be just embedded into the clamping grooves, and the situation that the iron wires are deviated or the grids are inclined due to forced assembly during formal assembly is prevented.
5. After the switch of the high-frequency welding machine is pressed by the two hands, the two hands are retracted, so that the accident caused by the fact that the two hands touch the air outlet net or the welding area is prevented, and the high-frequency welding machine automatically completes the welding and completely lifts up the welding and then takes out the welded air inlet net.
Drawings
Fig. 1 is an exploded view of the air outlet net of the present invention.
Fig. 2 is a schematic structural diagram of the air outlet network of the present invention.
Fig. 3 is a processing diagram of the air outlet net of the present invention.
110, an inner ring; 120. an outer ring; 130. a connecting strip; 131. a clamping groove; 210. a first welding wire; 220. a second welding wire; 230. a third welding iron wire; 310. a first grid; 320. a second grid; 330. and a third grid.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
As shown in fig. 1, 2 and 3, an air outlet net for an air purifier includes: the base body is provided with at least two clamping grooves 131, and the clamping grooves 131 are concentrically arranged along the base body from inside to outside in sequence from small to large; a welding iron wire disposed in the clamping groove 131; a grill which is inserted into the card slot 131 and covers the welding wire so as to restrict the welding wire within the card slot 131, the grill being welded to the card slot 131 by the welding wire.
Wherein, the base member is network structure, and draw-in groove 131's quantity is three in fact, and three draw-in groove 131 is the concentric setting from inside to outside in proper order along the base member according to from little to big, and welding iron wire and grid inlay in proper order and establish in draw-in groove 131, and grid and welding iron wire just can insert in the draw-in groove 131.
The height of draw-in groove 131 is greater than the diameter of welding iron wire, thereby the grid covers the welding iron wire and restrict welding iron wire in draw-in groove 131 when the grid inserts draw-in groove 131, thereby the grid removal is restricted to the part that draw-in groove 131 exceeded the welding iron wire can be cliied to the grid.
In this embodiment, the thickness of every section of welding wire is even, and when the welding wire melted, the grid passes through welding wire and draw-in groove 131 fixed connection, and the combination of grid and draw-in groove 131 is inseparable difficult for droing, and is very firm, and the welding of grid is even, consequently can not appear installing crooked condition.
As shown in fig. 2 and 3, in the above embodiment, the base body includes an inner ring 110, an outer ring 120, and a connecting strip 130, the inner ring 110 is concentrically disposed in the outer ring 120, one end of the connecting strip 130 is connected to the inner ring 110, the other end is connected to the outer ring 120, and the clamping groove 131 is connected to the connecting strip 130.
In this embodiment, the inner ring 110 and the outer ring 120 have the same shape but different sizes, the inner ring 110 and the outer ring 120 have regular pentagonal structures, the hollow part of the inner ring 110 can be used for installing other components of an air purifier such as a control panel, the number of the connecting strips 130 is plural, and the connecting strips 130 are uniformly arranged around the inner ring 110 at intervals.
As shown in fig. 2 and 3, on the basis of the above embodiment, the base, the clamping groove 131, the welding wires and the grille are all of polygonal structures, and in this embodiment, the air outlet net is of a regular pentagonal structure, and the clamping groove 131, the welding wires and the grille are sequentially arranged at uniform intervals from inside to outside along the base in order from small to large.
As shown in fig. 1, 2 and 3, a processing technology of an air outlet net comprises the air outlet net for an air purifier, and further comprises the following steps:
s1: the first welding wire 210, the second welding wire 220 and the third welding wire 230 are respectively embedded into three clamping grooves 131 of the base body;
s2: the first, second and third grids 310, 320 and 330 are respectively inserted into the three clamping grooves 131 of the base body, and the first grid 310 covers the first welding wire 210, the second grid 320 covers the second welding wire 220, and the third grid 330 covers the third welding wire 230;
s3: the assembled air outlet net is placed in a high-frequency welding machine, a high-frequency magnetic field is generated by the high-frequency welding machine, the first welding iron wire 210, the second welding iron wire 220 and the third welding iron wire 230 are heated and melted through the eddy effect, and the first grille 310, the second grille 320 and the third grille 330 are welded with the three clamping grooves 131 of the base body respectively.
The high-frequency welding machine is a heating tool, which is converted into a high-frequency magnetic field by using an electromagnetic induction principle after a high-frequency current is applied to an induction coil, and acts on a metal object in the magnetic field, generates an induced current proportional to the intensity of the magnetic field in the metal object by using an eddy current effect, and generates heat in the metal object by using a current thermal effect principle by means of an inherent resistance value in the metal object.
In this embodiment, a high-frequency magnetic field is generated by a high-frequency welding machine, each welding iron wire heats and melts by an eddy effect, each grille and each clamping groove 131 of the base body are welded together respectively, the combination of the grille and the clamping groove 131 is tight and not easy to fall off, the welding of the grille is very firm, and therefore, the situation of oblique installation cannot occur.
As shown in fig. 2 and 3, in the above embodiment, in step S2, the first grid 310, the second grid 320 and the third grid 330 are respectively inserted into the three slots 131 of the base body in order from small to large, and each grid fixes each welding wire when each grid is inserted into the slot 131 so as to prevent the welding wire from being ejected.
In this embodiment, each of the grids fixes each of the welding wires when each of the grids is inserted into the card slot 131 so as to prevent the welding wires from being ejected, and if the welding wires are ejected, the contact between the grids and the card slot 131 is insufficient to cause weak welding, and the distortion of the grids may occur.
As shown in fig. 2 and 3, in the above embodiment, before the first welding wire 210, the second welding wire 220, and the third welding wire 230 are respectively inserted into the three clamping grooves 131 of the base body in step S1, the welding wires are required to be bent and folded to form a regular pentagon structure, and the welding wires are concentrically arranged, and in step S2, the grids are required to be bent and folded to form a regular pentagon structure, and the grids are required to be concentrically arranged, before the first grid 310, the second grid 320, and the third grid 330 are respectively inserted into the three clamping grooves 131 of the base body.
In this embodiment, three welding wires and three grids are bent and enclosed to form a regular pentagon, and the regular pentagon is matched with the shape of the clamping groove 131, and the clamping groove 131, the welding wires and the grids are arranged in sequence from small to large along the matrix from inside to outside at uniform intervals.
As shown in fig. 2 and 3, based on the above embodiment, in step S1, the base and each welding wire are self-inspected, deformation of the base and each welding wire is avoided, each welding wire is pre-assembled, the welding wire can be inserted into the clamping groove 131 by manual adjustment, in step S2, each grid is self-inspected, missing or breakage of the grid is avoided, each grid is pre-assembled, and the grid can be inserted into the clamping groove 131 by manual adjustment.
In this embodiment, each welding wire and the grille need to be pre-assembled and manually adjusted in sequence, so that the welding wires and the grille can be just embedded into the clamping groove 131, and the situation that the wires are deviated or the grille is askew due to forced loading during formal assembly is prevented.
As shown in fig. 2 and 3, based on the above embodiment, in step S3, after the assembled air outlet net is placed flat, the two hands are retracted after pressing the switch of the high-frequency welding machine, and the high-frequency welding machine automatically completes the welding and lifts up completely, and then the welded air inlet net is taken out.
Specifically, the high-frequency welding machine has an operation time of 1.3 seconds delay time, a welding time of 1.5 seconds, a hardening time of 6 seconds, a heating time of 43 seconds, a heat preservation time of 53 seconds, a cooling time of 2 seconds, and an error value of the whole process of not more than 1 second.
In this embodiment, press the switch of high frequency welding machine back with both hands and withdraw, prevent that both hands from touching air-out net or welding area and leading to unexpected emergence, take out the air inlet net that the welding was accomplished again after the welding was accomplished to the high frequency welding machine automation was lifted up completely, need ensure to cool off and accomplish and just can take out the air inlet net during the operation.
As shown in fig. 2 and 3, the method further includes step S4: and (3) checking the welding completion condition of the air outlet net, putting the air outlet net with the glue overflow or iron wire deviation condition into a defective frame, and putting other air outlet nets into a finished frame.
In this embodiment, if the welded air outlet net has glue overflow or iron wire deviation, the grid of the air outlet net is inclined, and the produced air outlet net has poor air guiding performance and low firmness, so that the air outlet net needs to be treated as a defective product.
From the general process flow, each welding iron wire is bent and enclosed to form a regular pentagon structure, and is arranged concentrically, so that the base body and each welding iron wire are subjected to self-inspection, deformation of the base body and the welding iron wires is avoided, each welding iron wire is subjected to pre-test, the welding iron wires can be embedded into the clamping groove 131 through manual adjustment, and the first welding iron wire 210, the second welding iron wire 220 and the third welding iron wire 230 are respectively embedded into the three clamping grooves 131 of the base body;
then, bending and closing each grid to form a regular pentagon structure, and performing self-checking on each grid to avoid missing or breakage of the grids, pre-fitting each grid, enabling the grids to be embedded into the clamping grooves 131 through manual adjustment, enabling the first grid 310, the second grid 320 and the third grid 330 to be respectively embedded into the three clamping grooves 131 of the base body, enabling the first grid 310 to cover the first welding iron wires 210, enabling the second grid 320 to cover the second welding iron wires 220, enabling the third grid 330 to cover the third welding iron wires 230, and fixing each welding iron wire when each grid is embedded into the clamping groove 131 to avoid the welding iron wires from being popped up;
secondly, placing the assembled air outlet net into a high-frequency welding machine, after the assembled air outlet net is placed flatly, pressing a switch of the high-frequency welding machine by two hands, then withdrawing the two hands, generating a high-frequency magnetic field through the high-frequency welding machine, heating and melting the first welding iron wire 210, the second welding iron wire 220 and the third welding iron wire 230 through the eddy effect, respectively welding the first grid 310, the second grid 320 and the third grid 330 with three clamping grooves 131 of a base body, and taking out the welded air inlet net after the high-frequency welding machine automatically finishes the welding and completely lifts up;
finally, checking the welding completion condition of the air outlet net, putting the air outlet net with the glue overflow or iron wire deviation condition into a defective frame, and putting other air outlet nets into a finished frame.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. An air outlet net processing technology for an air purifier is characterized by comprising the following steps:
the base body is provided with at least two clamping grooves, and the clamping grooves are concentrically arranged along the base body from inside to outside in sequence from small to large;
a welding iron wire arranged in the clamping groove;
a grill inserted into the clamping groove and covering the welding wire so as to restrict the welding wire within the clamping groove, the grill being welded to the clamping groove by the welding wire;
the height of the clamping groove is larger than the diameter of the welding iron wire, when the grille is inserted into the clamping groove, the grille covers the welding iron wire so as to limit the welding iron wire in the clamping groove, and the part of the clamping groove exceeding the welding iron wire can clamp the grille so as to limit the grille to move;
the base body comprises an inner ring, an outer ring and connecting strips, wherein the inner ring is concentrically arranged in the outer ring, one end of each connecting strip is connected with the inner ring, the other end of each connecting strip is connected with the outer ring, and the clamping grooves are connected with the connecting strips;
the base body, the clamping groove, the welding iron wires and the grille are all polygonal structures;
the method comprises the following steps:
s1: respectively embedding the first welding iron wire, the second welding iron wire and the third welding iron wire into three clamping grooves of the matrix;
s2: respectively embedding the first grating, the second grating and the third grating into three clamping grooves of the matrix, wherein the first grating covers the first welding iron wire, the second grating covers the second welding iron wire and the third grating covers the third welding iron wire;
s3: the assembled air outlet net is placed in a high-frequency welding machine, a high-frequency magnetic field is generated through the high-frequency welding machine, the first welding iron wire, the second welding iron wire and the third welding iron wire are heated and melted through eddy effect, and the first grille, the second grille and the third grille are welded with three clamping grooves of the matrix respectively.
2. The process for processing an air outlet net of an air purifier as set forth in claim 1, wherein: in step S2, the first grid, the second grid and the third grid are sequentially embedded into the three clamping grooves of the base body in order from small to large, and when each grid is embedded into the clamping groove, each welding iron wire is fixed by each grid, so that the welding iron wires are prevented from being ejected.
3. An air outlet net processing technology for an air purifier as set forth in claim 2, wherein: in step S1, before the first welding wire, the second welding wire and the third welding wire are respectively embedded into the three clamping grooves of the substrate, each welding wire needs to be bent and enclosed to form a regular pentagon structure, and each welding wire is concentrically arranged, in step S2, before the first grid, the second grid and the third grid are respectively embedded into the three clamping grooves of the substrate, each grid needs to be bent and enclosed to form a regular pentagon structure, and each grid is concentrically arranged.
4. A process for manufacturing an air outlet net for an air purifier as defined in claim 3, wherein: in step S1, carry out the self-checking to base member and each welding iron wire, avoid base member and welding iron wire to take place deformation, each welding iron wire carries out the pre-test dress, makes the welding iron wire can imbed the draw-in groove through manual regulation, in step S2, carries out the self-checking to each grid, avoids the grid to take place to miss or damage, and each grid carries out the pre-test dress, makes the grid can imbed the draw-in groove through manual regulation.
5. The process for processing an air outlet net of an air purifier as set forth in claim 1, wherein: in step S3, after the assembled air outlet net is placed flatly, the two hands are retracted after pressing the switch of the high-frequency welding machine, and the high-frequency welding machine automatically completes the welding and completely lifts up and then takes out the welded air inlet net.
6. The process for processing an air outlet net of an air purifier as set forth in claim 5, wherein: further comprising step S4: and (3) checking the welding completion condition of the air outlet net, putting the air outlet net with the glue overflow or iron wire deviation condition into a defective frame, and putting other air outlet nets into a finished frame.
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| CN202110985285.9A CN113803830B (en) | 2021-08-26 | 2021-08-26 | Air outlet net for air purifier and processing technology |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737351A (en) * | 2016-04-13 | 2016-07-06 | 海信（山东）空调有限公司 | Air outlet grid used for air purifier and air purifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56111632A (en) * | 1980-02-09 | 1981-09-03 | Kasai Kogyo Co Ltd | Production of speaker grille in automotive interior part |
| GB2079216A (en) * | 1980-07-09 | 1982-01-20 | Honma Fuyuji Kogyo Co | Basket |
| JPS5936497A (en) * | 1982-08-23 | 1984-02-28 | Mitsuyoshi Sangyo Kk | Method for fitting a metallic grill to plastic grill frame mounted on front surface of sound equipment |
| CN1215200C (en) * | 2003-04-02 | 2005-08-17 | 徐文新 | Welding method for cathode netted bag of electrolyzer |
| CN103551713B (en) * | 2013-09-30 | 2016-06-22 | 湖北侨光石化机械有限责任公司 | Polyester raw material adsorption tower internals Grilte manufacturing method |
| CN209112175U (en) * | 2018-10-20 | 2019-07-16 | 张馨悦 | EMU skirtboard strainer |
| CN209078123U (en) * | 2018-10-30 | 2019-07-09 | 四川中乙制冷设备有限公司 | Air outlet net weld mold for cooling tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105737351A (en) * | 2016-04-13 | 2016-07-06 | 海信（山东）空调有限公司 | Air outlet grid used for air purifier and air purifier |
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Address after: 315400 Industrial Park, Simen Town, Yuyao City, Ningbo City, Zhejiang Province Applicant after: Ningbo Tianrui Intelligent Technology Co.,Ltd. Address before: 315400 Industrial Park, Simen Town, Yuyao City, Ningbo City, Zhejiang Province Applicant before: NINGBO TALLER ELECTRICAL APPLIANCE Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |