CN212157549U - Air barrier - Google Patents

Air barrier Download PDF

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Publication number
CN212157549U
CN212157549U CN202020603425.2U CN202020603425U CN212157549U CN 212157549 U CN212157549 U CN 212157549U CN 202020603425 U CN202020603425 U CN 202020603425U CN 212157549 U CN212157549 U CN 212157549U
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CN
China
Prior art keywords
air
casing
air outlet
shell
rotary cylinder
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Expired - Fee Related
Application number
CN202020603425.2U
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Chinese (zh)
Inventor
彭战
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Sixian Hengxing Tanghua Machinery Co ltd
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Sixian Hengxing Tanghua Machinery Co ltd
Priority date (The priority date 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 date listed.)
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Priority to CN202020603425.2U priority Critical patent/CN212157549U/en
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Publication of CN212157549U publication Critical patent/CN212157549U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses an air barrier device, which comprises a shell, a fan component, a first rotary cylinder, a second rotary cylinder, a filter element and a power supply device, wherein the first rotary cylinder can be rotatably sleeved at one end of the shell, the second rotary cylinder can be rotatably sleeved at the other end of the shell, and the fan component is fixed inside the shell; the casing includes air inlet casing, air-out casing, and the one end of air inlet casing can the pivoted be connected with the one end of air-out casing, has the air intake on the air inlet casing, has the air outlet on the air-out casing, and the fan subassembly is connected with power supply unit. The utility model has the advantages that: realizes air purification, temperature regulation, saliva obstruction, spray and other impurities, and is more suitable for outdoor use.

Description

Air barrier
Technical Field
The utility model relates to an air optimization equipment especially relates to an air barrier ware.
Background
The existing air purification is often limited indoors, and for some outdoor activities, such as people who love sports and sweat in summer with burning sun and heat, people who love traveling worry about the sun radiation to blacken your skin, people who are pollen allergic worry about the season of spending flowers, people who talk with people worry about inhaling droplets and the like, the effects of purification, temperature regulation and the like cannot be achieved, and the outdoor use condition cannot be met. And the indoor air optimizing equipment can only achieve the functions of purification or sterilization, and the functions are single.
As in application No.: 201921196443.7, discloses an air purification, oxygen exchange and temperature regulation integrated machine, which comprises an outdoor hanging machine (1), an indoor air filter (2) and an indoor hanging machine (6), and is characterized in that the outdoor hanging machine (1) comprises a sealed shell (1.1), the sealed shell (1.1) is provided with an air inlet (1.2) and an air exhaust and supply integrated machine (1.3) is arranged in the sealed shell (1.1), the air inlet (1.2) is connected with the indoor air filter (2) through a first air supply pipeline (3), the indoor air filter (2) is connected with an air exhaust port of the air exhaust and supply integrated machine (1.3) through a second air supply pipeline (4), an air supply port of the air exhaust and supply integrated machine (1.3) is connected with the indoor hanging machine (6) through a third air supply pipeline (5), the indoor hanging machine (6) comprises a shell (6.1), the shell (6.1) is provided with an air inlet (6.2) and an air outlet (6.3), the refrigerator is characterized in that a temperature sensor (6.4), an electric heater (6.5) and a refrigerator (6.6) are arranged in the shell (6.2), a controller (6.7) is arranged on the outer side of the shell (6.1), and the temperature sensor (6.4), the electric heater (6.5) and the refrigerator (6.6) are connected with the controller (6.7). Although the patent can realize the functions of purification, oxygen exchange, temperature regulation and the like, the air purifier is not suitable for the outdoor and cannot meet the requirement of the outdoor on the air.
In the prior art, a handheld fan is mainly adopted for cooling outdoors, but the equipment needs to be handheld, and the fatigue is multiplied after the equipment is used for a period of time; aiming at worrying about pollen allergy and the like, the mask is worn, but the wearing time of the mask is long, the feeling is stuffy, and the comfortable feeling is poor. In summary, there is a lack of a portable device that can achieve temperature regulation outdoors, isolate bad air, and be portable.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: how to solve the problem that the prior art can not meet the requirement of people on air quality outdoors.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
the air barrier device comprises a shell, a fan assembly, a first rotary cylinder, a second rotary cylinder, a filter element and a power supply device, wherein the first rotary cylinder can be rotatably sleeved at one end of the shell, the second rotary cylinder can be rotatably sleeved at the other end of the shell, and the fan assembly is fixed in the shell; the casing includes air inlet casing, air-out casing, and the one end of air inlet casing can the pivoted be connected with the one end of air-out casing, has the air intake on the air inlet casing, has the air outlet on the air-out casing, and the fan subassembly is connected with power supply unit.
The utility model introduces wind from the air inlet through the fan component, and after the wind is filtered by the filtering piece, micro particles such as haze, virus, bacteria, pollen and the like in the air can be effectively filtered and blown out from the air outlet, and the air barrier device is placed around the face or the neck for rapid cooling, thereby playing the roles of purifying and adjusting the temperature; the first rotary cylinder and the second rotary cylinder are fixed on the cap, the first rotary cylinder and the second rotary cylinder can rotate with the shell, and the first rotary cylinder and the second rotary cylinder are connected with the air outlet shell in a rotating mode in combination with the air inlet shell, so that the angle adjustment of the air inlet and the air outlet is realized, and when the face does not need to be cooled, a layer of invisible air barrier wall can be formed at the position of about 10 centimeters of the face to separate saliva, spray and other impurities in the air; therefore, the utility model discloses can realize air-purifying, temperature regulation, hinder saliva, droplet and other impurity, be fit for outdoor use more.
Preferably, the air inlet casing with the air-out casing is the cylinder structure, the one end of air inlet casing has circumferencial direction's recess or flange, the one end of air-out casing has circumferencial direction's flange or recess, the air inlet casing passes through the flange card with the air-out casing and goes into the recess internal connection. Through the connected mode of flange and recess, realize the joint of the two on the one hand, spacing, on the other hand realizes rotating the connection, and is simple reliable.
Preferably, the solar energy heat collector further comprises a solar cell panel, the first rotating cylinder and the second rotating cylinder are provided with buckles, the solar cell panel is fixed on the buckles, and the solar cell panel is connected with the power supply device. Through the buckle joint on the brim of a hat, small, convenient to use, solar cell panel can charge power supply unit in the open air, maintains the live time.
Preferably, the power supply device comprises a battery box and a battery, the battery box is arranged in the air outlet casing, the battery is arranged in the battery box, and the battery is connected with the fan.
Preferably, the fan subassembly includes fan, rotation axis, and rotation axis fixed mounting is in the air inlet casing, and the fan can the pivoted be installed on the rotation axis. The fan has two types, namely a straight fan blade and a double-turbine fan blade.
Preferably, still include the air-out sleeve, the air-out sleeve can the pivoted cup joint outside air-out casing, and the air-out sleeve has the opening, forms the air-out passageway when opening and air outlet coincidence or partial coincidence. The air-out sleeve can rotate with the air-out casing and be connected for the degree that opening and air outlet realization coincidence decide actual air-out area, adjust the air-out size.
Preferably, the air conditioner further comprises a heating device, the heating device is installed in the air outlet shell, and the heating device is connected with the power supply device. The temperature adjustment is realized through the heating wires, and warm air can be blown out actively in cold.
Preferably, the air conditioner also comprises a sachet groove, the sachet groove is arranged in the air outlet shell, and a sachet is arranged in the sachet groove. The use of sachets adds a scent to the air.
Preferably, still include the audio amplifier subassembly, the audio amplifier subassembly includes audio amplifier storehouse, audio amplifier, and audio amplifier storehouse fixed mounting is on the casing, and the audio amplifier is installed inside the audio amplifier storehouse, and the audio amplifier is connected with power supply unit. The sound box can be a Bluetooth sound box and is used for playing audio.
Preferably, the filter element is PM2.5 filter cotton. Can effectively filter the tiny particles such as haze, virus, bacteria, pollen and the like in the air and purify the air.
The utility model has the advantages that:
(1) the utility model introduces wind from the air inlet through the fan component, and after the wind is filtered by the filtering piece, micro particles such as haze, virus, bacteria, pollen and the like in the air can be effectively filtered and blown out from the air outlet, and the air barrier device is placed around the face or the neck for rapid cooling, thereby playing the roles of purifying and adjusting the temperature; the first rotary cylinder and the second rotary cylinder are fixed on the cap, the first rotary cylinder and the second rotary cylinder can rotate with the shell, and the first rotary cylinder and the second rotary cylinder are connected with the air outlet shell in a rotating mode in combination with the air inlet shell, so that the angle adjustment of the air inlet and the air outlet is realized, and when the face does not need to be cooled, a layer of invisible air barrier wall can be formed at the position of about 10 centimeters of the face to separate saliva, spray and other impurities in the air; therefore, the utility model discloses can realize air-purifying, temperature regulation, hinder saliva, droplet and other impurity, be fit for outdoor use more.
(2) The flange and the groove are connected, so that the clamping and the limiting of the flange and the groove are realized on the one hand, and the rotary connection is realized on the other hand, so that the structure is simple and reliable;
(3) the air outlet sleeve and the air outlet shell can be rotatably connected, so that the degree of coincidence of the opening and the air outlet is realized, the actual air outlet area is determined, and the size of the outlet air is adjusted;
(4) the temperature is adjusted by the heating wires, and warm air can be blown out actively in cold; the sound box for adding fragrance to the air through the use of the sachet can be a Bluetooth sound box and is used for playing audio; can realize multiple functions;
(5) can be with the utility model discloses the joint is on the brim of a hat for outdoor activities, or place on the desktop, or be used for in the car, the volume is less, and the using-way is numerous, can satisfy different occasions, different crowds' demand.
Drawings
FIG. 1 is a schematic structural view of an air barrier according to an embodiment of the present invention;
FIG. 2 is an exploded view of an air barrier according to an embodiment of the present invention;
FIG. 3 is a front view of an air barrier according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is an exploded view of the intake housing;
fig. 6 is a schematic structural view of the air outlet housing;
FIG. 7 is a schematic structural view of a fan in the third embodiment;
fig. 8 is a schematic structural view of the air outlet sleeve;
FIG. 9 is a schematic view of air outlet;
fig. 10 is a schematic view of forming an air barrier.
Reference numbers in the figures: the air-conditioning cabinet comprises a housing 1, an air inlet housing 11, an air inlet barrel 111, an air inlet bottom plate 112, an air outlet housing 12, a cavity 121, a sachet groove 122, a fan assembly 2, a fan 21, a first rotary barrel 3, a buckle 31, a second rotary barrel 4, a filter piece 5, a power supply device 6, a battery 61, a battery groove sealing plate 62, a sound box assembly 7, a sound box bin 71, a sound box 72, a cylinder 711, a cover plate 712, a solar cell panel 8, an air outlet sleeve 9 and an opening 91.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 2, the air barrier includes a housing 1, a fan assembly 2, a first rotary cylinder 3, a second rotary cylinder 4, a filter element 5, a power supply device 6, and a speaker assembly 7, wherein the first rotary cylinder 3 is rotatably sleeved at one end of the housing 1, the second rotary cylinder 4 is rotatably sleeved at the other end of the housing 1, and the fan assembly 2 is fixed inside the housing 1; fan subassembly 2 is connected with power supply unit 6, filters piece 5 and installs in air intake department, and audio amplifier subassembly 7 is installed in casing 1.
As shown in fig. 2 and in combination with fig. 4, the casing 1 includes an air inlet casing 11 and an air outlet casing 12, the air inlet casing 11 and the air outlet casing 12 are both cylindrical structures, the top end of the air inlet casing 11 is provided with a groove along the circumferential direction, as shown in combination with fig. 5, the groove is arranged on the inner side surface of the air inlet casing 11, the groove is formed by two annular structures protruding out of the air inlet casing body at intervals, the bottom end of the air outlet casing 12 is provided with a flange along the circumferential direction, as shown in combination with fig. 6, the flange is arranged on the outer side of the air outlet casing 12, and the air inlet casing 11 and the air outlet casing 12 are connected by; the distance between the grooves is equal to or slightly less than the thickness of the flange, certain friction force is guaranteed, the flange and the grooves are connected in a clamped mode and limited, the rotary connection is achieved on the other hand, and the rotary connection is simple and reliable.
As shown in fig. 5, with reference to fig. 2 and 4, the air inlet casing 11 includes an air inlet cylinder 111 and an air inlet bottom plate 112, the air inlet cylinder 111 is a cylindrical structure with openings at two ends, the air inlet cylinder 111 is provided with a plurality of air inlets in an array, the air inlet bottom plate 112 is a disc-shaped structure, the disc-shaped structure is provided with grid-shaped air inlets, the top end of the air inlet cylinder 111 is provided with a groove, the bottom end of the air inlet cylinder 111 is provided with a step structure, the air inlet bottom plate 112 is provided with a boss butted with the step structure, the step structure is exactly clamped with the boss, the air inlet cylinder 111 can be connected with the air inlet bottom plate 112 by welding, clamping, screwing, etc., the filter element 5 is installed on the top surface of the air inlet bottom plate 112, the filter element 5 is cut into a circle.
As shown in fig. 6, the air outlet casing 12 is a cylindrical structure, the air outlet casing 12 has a plurality of arrays of air outlets and a cavity 121 for accommodating a battery, the arrays of air outlets are disposed opposite to the cavity 121, and the top end and the bottom end of the air outlet casing 12 both have flanges.
In this embodiment, as shown in fig. 2, the fan assembly 2 includes a fan 21 and a rotating shaft (not shown in the figure), the rotating shaft is fixedly installed in the air intake casing 11, specifically, the rotating shaft can be horizontally fixed on the top surface of the air intake bottom plate 112, the fan 21 can be rotatably installed on the rotating shaft through a bearing, and the fan 21 in this embodiment is a straight fan blade.
As shown in fig. 2 and in combination with fig. 4, the speaker assembly 7 includes a speaker chamber 71 and a speaker 72, the speaker chamber 71 includes a cylinder 711 and a cover plate 712, two ends of the cylinder 711 are hollow cylindrical structures, a bottom end of the cylinder 711 has inward and radial folded edges, the folded edges are circular rings, a top end of the corresponding air outlet casing 12 has an outward and radial flange, the flange is circular rings, a top end of the air outlet casing 12 is lap-welded to a bottom end of the cylinder 711, the cover plate 712 is connected to the top end of the cylinder 711 by welding, clamping, screwing, and the like, the speaker 72 is fixedly mounted on a bottom surface of the cover plate 712, the speaker 72 is mounted inside the speaker chamber 71, the speaker 72 is connected to the power supply device 6, and the speaker 72 may be a bluetooth. It should be noted that, if the sound box assembly is not used, the cover plate 712 may be directly connected to the top end of the air outlet casing 12, and the second rotary cylinder 4 is sleeved on the outer top end of the air outlet casing 12.
As shown in fig. 2, the first rotary cylinder 3 and the second rotary cylinder 4 are both cylindrical structures, the first rotary cylinder 3 can be rotatably sleeved at the bottom end outside the air inlet cylinder 111, the second rotary cylinder 4 can be rotatably sleeved at the top end outside the cylinder 711, the first rotary cylinder 3 and the second rotary cylinder 4 are distributed at two ends of the whole device, the rotating mode can be groove and flange mode, or threaded connection, or directly gap connection mode, and when certain friction force is ensured, the rotary cylinder can rotate, the friction force is ensured to be too loose, and after the shell 1 is rotated to a certain angle as far as possible, the state can be kept from sliding. The first rotating cylinder 3 and the second rotating cylinder 4 are provided with the buckle 31, and can be used for being fixed on a visor or other places, the buckle 31 is fixed on the first rotating cylinder 3 and the second rotating cylinder 4 in a bonding mode, a screw connection mode and the like, and when the buckle 31 is not needed, the buckle 31 can be detached.
The filtering piece 5 is made of PM2.5 filtering cotton. Can effectively filter the tiny particles such as haze, virus, bacteria, pollen and the like in the air and purify the air.
The working process of the embodiment is as follows:
air is introduced from the air inlet through the fan assembly 2 and is filtered by the filter piece 5, so that fine particles such as haze, viruses, bacteria, pollen and the like in the air can be effectively filtered and blown out from the air outlet, as shown in fig. 9, the air barrier device is placed around the face or the neck to be rapidly cooled, and the effects of purifying and adjusting the temperature are achieved; the first rotary cylinder 3 and the second rotary cylinder 4 are fixed on the cap, the first rotary cylinder 3 and the second rotary cylinder 4 can rotate with the shell 1, and the air inlet shell can be rotatably connected with the air outlet shell, so that the angle adjustment of the air inlet and the air outlet is realized, and when the face does not need to be cooled, as shown in fig. 10, a layer of invisible air barrier wall can be formed at the position of about 10 centimeters of the face to separate saliva, spray and other impurities in the air; the air purifier can also be applied indoors, and can be placed on a table top to purify ambient air and reduce temperature.
Therefore, the present embodiment can achieve air purification, temperature regulation, saliva blocking, droplet and other impurities, and is suitable for outdoor and indoor use.
Example two:
as shown in fig. 2 and 4, with reference to fig. 6, on the basis of the first embodiment, the power supply device 6 in this embodiment includes a battery 61 and a battery container sealing plate 62, the battery 61 is installed in the battery container, in this embodiment, the battery container is composed of the air outlet housing 12 and the battery container sealing plate 62, the air outlet of the air outlet housing 12 has an inward cavity 121, the cavity has an opening facing outward, the battery container sealing plate 62 is sealed at the opening, and a space (i.e., a battery container) for accommodating the battery is formed inside the cavity. The battery 61 may be a secondary battery that may be equipped with a 12V quick charger while supporting USB charging.
In addition, the air barrier device also comprises a solar cell panel 8, the solar cell panel 8 is fixed on the buckles 31 at the two ends, the solar cell panel 8 is connected with the power supply device 6, and the solar cell panel 8 can charge the battery 61 outdoors to maintain the service time.
Example three:
as shown in fig. 7, the blower 21 in the present embodiment is different from the blower in the first embodiment;
in this embodiment, the fan with two turbine blades is adopted, and in order to ensure the installation stability, a support may be disposed on the air inlet casing 11, and two ends of the rotating shaft are respectively fixed on the top surface of the air inlet bottom plate 112 and the support.
Example four:
as shown in fig. 8, the air barrier device further includes an air outlet sleeve 9, the air outlet sleeve 9 can be rotatably sleeved outside the air outlet housing 12, the air outlet sleeve 9 has an opening 91, an air outlet channel is formed when the opening 91 coincides with the air outlet or partially coincides with the air outlet, the air outlet sleeve 9 can be rotatably connected with the air outlet housing 12, so that the coincidence degree of the opening 91 and the air outlet is realized, the actual air outlet area is determined, and the air outlet size is adjusted. The opening 91 is rotated to the battery slot, and the battery can be replaced.
The rotary connection between the outlet sleeve 9 and the outlet casing 12 may be in the form of a groove and a protrusion, or in the form of a threaded connection.
The shape of the opening 91 is not limited, and it is set according to the requirement, in this embodiment, it is a horizontal convex opening, as shown in fig. 1, the opening 91 overlaps with the rectangular outlet portion of the array on the outlet casing 12.
Example five:
on the basis of any one of the first embodiment to the fourth embodiment, the air barrier further comprises a heating device, the heating device is installed in the air outlet shell 12 and connected with the power supply device 6, the heating device is a heating wire, temperature adjustment is achieved through the heating wire, and warm air can be blown out in cold weather.
As shown in fig. 4 and 6, the air barrier further includes a sachet groove 122, the sachet groove 122 is installed in the air outlet casing 12, the sachet groove 122 is a rectangular or circular cavity with a gap or a hole, and a sachet is placed in the sachet groove 122, and for easy replacement, a detachable cover may be provided in the sachet groove 122. The use of sachets adds a scent to the air.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The air barrier device is characterized by comprising a shell, a fan assembly, a first rotary cylinder, a second rotary cylinder, a filter element and a power supply device, wherein the first rotary cylinder can be rotatably sleeved at one end of the shell, the second rotary cylinder can be rotatably sleeved at the other end of the shell, and the fan assembly is fixed in the shell; the casing includes air inlet casing, air-out casing, and the one end of air inlet casing can the pivoted be connected with the one end of air-out casing, has the air intake on the air inlet casing, has the air outlet on the air-out casing, and the fan subassembly is connected with power supply unit.
2. The air barrier device of claim 1, wherein the air inlet casing and the air outlet casing are both cylindrical structures, one end of the air inlet casing is provided with a groove or a flange in the circumferential direction, one end of the air outlet casing is provided with a flange or a groove in the circumferential direction, and the air inlet casing and the air outlet casing are clamped into the groove through the flange and connected.
3. The air barrier of claim 1, further comprising a solar panel, wherein the first rotating cylinder and the second rotating cylinder are provided with buckles, the solar panel is fixed on the buckles, and the solar panel is connected with a power supply device.
4. The air barrier of claim 1, wherein the power supply device comprises a battery box and a battery, the battery box is installed in the air outlet casing, the battery is arranged in the battery box, and the battery is connected with the fan.
5. An air barrier according to claim 1 wherein the fan assembly comprises a fan, a rotatable shaft, the rotatable shaft being fixedly mounted within the air intake housing, the fan being rotatably mounted on the rotatable shaft.
6. The air barrier device of claim 1, further comprising an air outlet sleeve rotatably sleeved outside the air outlet housing, wherein the air outlet sleeve has an opening, and the opening and the air outlet overlap or partially overlap to form an air outlet channel.
7. The air barrier of claim 1, further comprising a heating device mounted within the outlet housing, the heating device being connected to the power supply.
8. The air barrier of claim 1, further comprising a sachet groove, wherein the sachet groove is installed in the air outlet housing, and a sachet is arranged in the sachet groove.
9. The air barrier according to claim 1, further comprising a speaker assembly, wherein the speaker assembly comprises a speaker chamber and a speaker, the speaker chamber is fixedly mounted on the housing, the speaker is mounted inside the speaker chamber, and the speaker is connected to the power supply device.
10. An air barrier according to claim 1 wherein the filter element is PM2.5 filter cotton.
CN202020603425.2U 2020-04-21 2020-04-21 Air barrier Expired - Fee Related CN212157549U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020603425.2U CN212157549U (en) 2020-04-21 2020-04-21 Air barrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020603425.2U CN212157549U (en) 2020-04-21 2020-04-21 Air barrier

Publications (1)

Publication Number Publication Date
CN212157549U true CN212157549U (en) 2020-12-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020603425.2U Expired - Fee Related CN212157549U (en) 2020-04-21 2020-04-21 Air barrier

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114909735A (en) * 2022-03-25 2022-08-16 北京小米移动软件有限公司 Desktop air conditioner
WO2022256645A1 (en) * 2021-06-03 2022-12-08 D. Wheatley Enterprises, Inc. Modular, adjustable powered air purifying respirator system
US11883693B2 (en) 2019-08-20 2024-01-30 D. Wheatley Enterprises, Inc. Modular, integrated powered air purifying respirator system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11883693B2 (en) 2019-08-20 2024-01-30 D. Wheatley Enterprises, Inc. Modular, integrated powered air purifying respirator system
WO2022256645A1 (en) * 2021-06-03 2022-12-08 D. Wheatley Enterprises, Inc. Modular, adjustable powered air purifying respirator system
CN114909735A (en) * 2022-03-25 2022-08-16 北京小米移动软件有限公司 Desktop air conditioner
CN114909735B (en) * 2022-03-25 2024-05-14 北京小米移动软件有限公司 Desktop air conditioner

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