CN112957835B - But filter core substitution arc V type filter - Google Patents
But filter core substitution arc V type filter Download PDFInfo
- Publication number
- CN112957835B CN112957835B CN202110299939.2A CN202110299939A CN112957835B CN 112957835 B CN112957835 B CN 112957835B CN 202110299939 A CN202110299939 A CN 202110299939A CN 112957835 B CN112957835 B CN 112957835B
- Authority
- CN
- China
- Prior art keywords
- shaped
- filter
- trapezoidal
- trapezoidal plates
- filter element
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0004—Details of removable closures, lids, caps or filter heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
- B01D46/121—V-type arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an arc V-shaped filter with a replaceable filter element, which comprises an outer frame flange in a square frame shape, wherein two side walls of the outer frame flange are connected with symmetrical support frames, each support frame comprises a plurality of continuous trapezoidal plates, V-shaped grooves are formed in the inner side surfaces of the trapezoidal plates, and the openings of the V-shaped grooves face the outer frame flange; the bottom ends of the trapezoidal plates which are symmetrical at two sides are fixedly connected with a bottom plate, the top ends of the V-shaped grooves on the inner side surfaces of the trapezoidal plates which are symmetrical at two sides are detachably connected with a cover plate, two side edges of the filter element are respectively connected with the V-shaped grooves on the trapezoidal plates at two sides, and the top end and the bottom end of the filter element are respectively connected with the cover plate and the bottom plate; a plurality of continuous trapezoidal plates in the support frame are arranged in an arc shape; this application makes the air inlet face of filter change into the cambered surface from the plane, and the even filter core that passes through of amount of wind gets into to the filter, has reduced the high resistance that partial filter core leads to because of handling too much amount of wind, has improved the effective filter area of filter core, has reduced the holistic resistance of filter, has improved the holding amount of wind of filter.
Description
Technical Field
The invention relates to the technical field of V-shaped filters, in particular to an arc-shaped V-shaped filter with a replaceable filter element.
Background
The V-shaped filter is a high-load high-efficiency air filter, is suitable for constant airflow and variable airflow systems, has good bacteria and dust filtering performance, and can be widely applied to air purification systems in the fields of pharmaceutical industry, biological laboratories, hospital operating rooms, food industry, cosmetic industry and the like. The frame of the existing V-shaped filter consists of a cover plate and a support plate, and the filter element is fixed by using sealant after being installed; the filter cores are arranged in a V shape. Compared with a dense-pleated plate type filter without a partition plate, the V-shaped filter can process larger air volume and lower resistance than the filter without the partition plate.
The air inlet surface of the existing V-shaped filter is generally of a plane structure, and air enters the filter perpendicular to the air inlet surface, so that the air quantity which can be borne by the filter is limited, and the advantages of the V-shaped filter cannot be fully exerted. In addition, the existing V-shaped filter is a disposable consumable, the service life of the filter is reached after the filter reaches the final resistance, a new filter needs to be replaced, and the used filter is discarded and cannot be reused.
Disclosure of Invention
The invention aims to provide an arc V-shaped filter with a replaceable filter element, which aims to solve the problem that the filter in the prior art can bear limited air volume.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
an arc V-shaped filter with a replaceable filter element comprises an outer frame flange in a square frame shape, wherein two side walls of the outer frame flange are connected with symmetrical support frames, each support frame comprises a plurality of continuous trapezoidal plates, V-shaped grooves are formed in the inner side surfaces of the trapezoidal plates, and the openings of the V-shaped grooves face the outer frame flange;
the bottom ends of the trapezoidal plates which are symmetrical at two sides are fixedly connected with a bottom plate, the top ends of the V-shaped grooves on the inner side surfaces of the trapezoidal plates which are symmetrical at two sides are detachably connected with a cover plate, two side edges of the filter element are respectively connected with the V-shaped grooves on the trapezoidal plates at two sides, and the top end and the bottom end of the filter element are respectively connected with the cover plate and the bottom plate;
a plurality of continuous trapezoidal plates are the arc setting in the support frame, the angle of trapezoidal plate in the support frame is adjustable.
Furthermore, the filter element between two continuous trapezoidal plates is V-shaped, and the included angle of the filter element between two continuous trapezoidal plates is 20-25 degrees.
Further, the opening angle of the V-shaped groove can be adjusted.
Further, the trapezoidal plates comprise end trapezoidal plates and a middle trapezoidal plate, the end trapezoidal plates are fixed on two sides of the middle trapezoidal plate, and the angle of the middle trapezoidal plate can be adjusted;
the middle trapezoidal plate is provided with flower-shaped holes, and the middle trapezoidal plate is fixed on the support frame through the flower-shaped holes.
Furthermore, the flower-shaped hole comprises at least four adjusting spaces, a connector is fixed on the support frame, and the connector is connected in the adjusting spaces of the flower-shaped hole in an inserting mode.
Further, the number of the middle trapezoidal plate is two.
Further, be equipped with the draw-in groove on the apron, the medial surface of trapezoidal plate is equipped with the buckle, the apron pass through the draw-in groove with buckle joint on the trapezoidal plate is connected.
Furthermore, the outer frame flange is fixedly connected with the trapezoidal plate.
Furthermore, the depth of the V-shaped groove is 20-30 mm.
According to the technical scheme, the embodiment of the invention at least has the following effects:
1. according to the air filter, the continuous trapezoidal plates in the support frame are designed in an arc shape, so that the air inlet surface of the filter can be changed into an arc surface from a plane, and the air quantity uniformly enters the filter through the filter element, so that the high resistance of part of the filter element due to excessive air quantity treatment is reduced, the effective filtering area of the filter element is increased, the integral resistance of the filter is reduced, and the air bearing quantity of the filter is increased;
2. the cover plate which is detachably connected is designed, the filter does not need to be integrally replaced when the filter is replaced, the cover plate is only needed to be detached, then the filter element is replaced, devices such as the outer frame and the like can be repeatedly used, and the environment-friendly effect is achieved;
3. the opening angle of the V-shaped groove designed by the application can be adjusted, so that the V-shaped grooves with different openings can be arranged, and the filter element is arranged in the V-shaped grooves with different openings, so that the adjustment of the opening size of the filter element is realized; the radian of the trapezoidal plate is designed into an adjustable form, so that the device can be suitable for the conditions of different air intake volumes, and the uniformity of air intake is further ensured.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of FIG. 1 from a different perspective;
FIG. 3 is a front view of a support frame and its attachment members in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of the arrangement of the trapezoidal plates in the support frame according to the embodiment of the present invention;
FIG. 5 is a schematic view of another arrangement of the trapezoidal plates in the support frame according to the embodiment of the present invention;
FIG. 6 is another side view of FIG. 4;
fig. 7 is an enlarged view of a portion a in fig. 4.
Wherein: 1. an outer frame flange; 2. a support frame; 21. a trapezoidal plate; 211. an end trapezoidal plate; 212. an intermediate trapezoidal plate; 2121. a flower-shaped hole; 3. a base plate; 4. a cover plate; 5. a V-shaped groove; 6. and (5) buckling.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 7, an arc V-shaped filter with a replaceable filter element comprises an outer frame flange 1 in a square frame shape, wherein two side walls of the outer frame flange 1 are connected with symmetrical support frames 2, each support frame 2 comprises a plurality of continuous trapezoidal plates 21, V-shaped grooves 5 are formed in the inner side surfaces of the trapezoidal plates 21, and the openings of the V-shaped grooves 5 face the outer frame flange 1; the bottom ends of the trapezoidal plates 21 which are symmetrical on two sides are fixedly connected with the bottom plate 3, the top ends of the V-shaped grooves on the inner side surfaces of the trapezoidal plates which are symmetrical on two sides are detachably connected with the cover plate 4, two side edges of the filter element are respectively connected with the V-shaped grooves on the trapezoidal plates on two sides, and the top end and the bottom end of the filter element are respectively connected with the cover plate 4 and the bottom plate 3; a plurality of continuous trapezoidal plates 21 are arranged in an arc shape in the support frame, and the angle of the trapezoidal plates in the support frame can be adjusted.
This application is through being the arc design with continuous trapezoidal plate in support frame 2, can make the air inlet face of filter change into the cambered surface from the plane, makes the even filter core that passes through of amount of wind get into to the filter, has reduced the high resistance that partial filter core leads to because of handling too much amount of wind, has improved the effective filter area of filter core, has reduced the holistic resistance of filter, has improved the holding amount of wind of filter.
The outer frame flange 1 of this application is as shown in fig. 1 and fig. 2, and outer frame flange 1 is rectangle frame column structure, is equipped with a plurality of connecting holes on two lateral walls around, and this connecting hole supplies a plurality of continuous trapezoidal boards in support frame 2 to connect. The right ends (in the direction of fig. 1) of two trapezoidal plates 21 corresponding to the front and rear sides are connected with a bottom plate 3. The inner side surface of the trapezoidal plate 21 is provided with a V-shaped groove facing the outer frame flange 2, and the height of the V-shaped groove 5 is smaller than that of the trapezoidal plate 21. The left end of the V-shaped groove in the two trapezoidal plates 21 corresponding to the two sides is detachably connected with the cover plate 4.
In some embodiments, the cover plate 4 and the trapezoidal plate 21 are connected in a clamping manner, the buckle 6 is arranged on the inner side surface of the trapezoidal plate 21, and the cover plate 4 is provided with a clamping groove, so that the cover plate can be conveniently detached after the two are connected in the clamping manner. When the filter element is replaced, the cover plate is only required to be detached, then the filter element and the cover plate are installed again, the filter element can be replaced, the whole device is not required to be replaced, and the device is more environment-friendly.
In some embodiments, the opening angle of the V-shaped groove 5 can be adjusted, and the angle of the opening of the connected filter element can be changed by changing the opening of the V-shaped groove 5.
In some embodiments, the depth of the V-groove 5 is set to 20-30mm, which can ensure the connection effect between the filter paper and the V-groove in the trapezoidal plate 21.
In some embodiments, the angle of the filter element is designed to be 20-25 °. As shown in fig. 4, four continuous trapezoidal plates 21 are provided on the supporting frame 2, and three V-shaped filtering spaces are formed between the four trapezoidal plates. The opening size of the filtering space at the two sides is slightly smaller than that of the filtering space at the middle. The size adjustment through filter core angle can make the application scope of this device wider. The opening size is adjusted to reduce the filter resistance for different efficiency levels.
In some embodiments, the angle of the trapezoidal plate in the support frame is adjustable, as shown in particular in fig. 5 to 7. The trapezoidal plates in this embodiment include end trapezoidal plates 211 and middle trapezoidal plates 212, and in this embodiment, the number of middle trapezoidal plates 212 is two, which can be increased or decreased as required in actual production. The end trapezoidal plate 211 and the support frame are integrally designed, and the middle trapezoidal plate 212 is connected to the support frame through the flower-shaped holes 2121. The flower-shaped holes 2121 have four adjusting spaces, the support frame is provided with an oblong connector, and when the middle trapezoidal plate 212 is installed, the middle trapezoidal plate 212 can be installed by aligning and inserting the flower-shaped holes 2121 on the middle trapezoidal plate 212 into the connector. In the embodiment, the mounting and fixing of the middle trapezoidal plate 212 can be quickly and accurately realized through the matching of the flower-shaped holes and the connectors. Through the relative position of flower type hole on the connector, can adjust the angle of middle trapezoidal plate, and then the radian of adjustment air inlet face can make this device adapt to the condition of different intake rates, has guaranteed that the air inlet under the multiple intake rate condition is even.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (8)
1. An arc V-shaped filter with a replaceable filter element is characterized by comprising an outer frame flange in a square frame shape, wherein two side walls of the outer frame flange are connected with symmetrical support frames, each support frame comprises a plurality of continuous trapezoidal plates, V-shaped grooves are formed in the inner side surfaces of the trapezoidal plates, and the openings of the V-shaped grooves face the outer frame flange;
the bottom ends of the trapezoidal plates which are symmetrical at two sides are fixedly connected with a bottom plate, the top ends of the V-shaped grooves on the inner side surfaces of the trapezoidal plates which are symmetrical at two sides are detachably connected with a cover plate, two side edges of the filter element are respectively connected with the V-shaped grooves on the trapezoidal plates at two sides, and the top end and the bottom end of the filter element are respectively connected with the cover plate and the bottom plate;
a plurality of continuous trapezoidal plates in the support frame are arranged in an arc shape, and the angle of the trapezoidal plates in the support frame can be adjusted;
the trapezoidal plates comprise end trapezoidal plates and middle trapezoidal plates, the end trapezoidal plates are fixed on two sides of the middle trapezoidal plate, and the angle of the middle trapezoidal plate can be adjusted;
the middle trapezoidal plate is provided with flower-shaped holes, and the middle trapezoidal plate is fixed on the support frame through the flower-shaped holes.
2. The replaceable arc-shaped V-shaped filter element filter as claimed in claim 1, wherein the filter element between two consecutive trapezoidal plates is V-shaped, and the included angle of the filter element between two consecutive trapezoidal plates is 20-25 °.
3. The arc-shaped V-shaped filter with the replaceable filter element as recited in claim 1, wherein the opening angle of the V-shaped groove is adjustable.
4. The arc-shaped V-shaped filter with the replaceable filter element as claimed in claim 1, wherein the flower-shaped hole comprises at least four adjusting spaces, the support frame is fixed with a connector, and the connector is connected in the adjusting spaces of the flower-shaped hole in an inserting manner.
5. The replaceable arc-shaped V-shaped filter element as recited in claim 1, wherein the number of the intermediate trapezoidal plates is two.
6. The arc V-shaped filter with the replaceable filter element as claimed in claim 1, wherein a clamping groove is formed in the cover plate, a buckle is arranged on the inner side surface of the trapezoidal plate, and the cover plate is connected with the buckle on the trapezoidal plate in a clamping manner through the clamping groove.
7. The replaceable arc-shaped V-shaped filter element as recited in claim 1, wherein the outer frame flange is fixedly connected with the trapezoidal plate.
8. The replaceable arc-shaped V-shaped filter element filter according to claim 1, wherein the depth of the V-shaped grooves is 20-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110299939.2A CN112957835B (en) | 2021-03-22 | 2021-03-22 | But filter core substitution arc V type filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110299939.2A CN112957835B (en) | 2021-03-22 | 2021-03-22 | But filter core substitution arc V type filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112957835A CN112957835A (en) | 2021-06-15 |
| CN112957835B true CN112957835B (en) | 2022-04-01 |
Family
ID=76277972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110299939.2A Active CN112957835B (en) | 2021-03-22 | 2021-03-22 | But filter core substitution arc V type filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112957835B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856358A (en) * | 2021-09-29 | 2021-12-31 | 广州捷霖空气净化技术有限公司 | Filter convenient to change filter screen |
| NL2031675B1 (en) * | 2022-04-22 | 2023-09-05 | Afpro Filters B V | V-bank filter |
Family Cites Families (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2739815C3 (en) * | 1977-09-03 | 1979-12-06 | Ceagfilter Und Entstaubungstechnik Gmbh, 4600 Dortmund | Air filter cell |
| US5223011A (en) * | 1992-09-10 | 1993-06-29 | Farr Company | Air filter assembly |
| JP3273333B2 (en) * | 1993-03-16 | 2002-04-08 | ニッタ株式会社 | filter |
| US7585346B2 (en) * | 2005-07-13 | 2009-09-08 | Roseberry Jeffrey L | Media holding module |
| US8814994B2 (en) * | 2005-12-29 | 2014-08-26 | Environmental Management Confederation, Inc. | Active field polarized media air cleaner |
| JP2009154150A (en) * | 2007-12-06 | 2009-07-16 | Nitto Denko Corp | Air filter |
| GB2478515B (en) * | 2009-12-22 | 2014-05-07 | Greenwood Air Man Ltd | Filter holder |
| US8852310B2 (en) * | 2010-09-07 | 2014-10-07 | Cummins Filtration Ip Inc. | Filter and filter media having reduced restriction |
| GB2491581A (en) * | 2011-06-03 | 2012-12-12 | Aaf Ltd | Filter assembly |
| WO2013040010A1 (en) * | 2011-09-14 | 2013-03-21 | 3M Innovative Properties Company | Filter frame assembly with seal |
| WO2014040657A1 (en) * | 2012-09-12 | 2014-03-20 | Camfil Ab | A filter frame |
| US9205359B2 (en) * | 2012-10-09 | 2015-12-08 | W.L. Gore & Associates, Inc. | V-panel filters |
| US8852308B2 (en) * | 2012-11-19 | 2014-10-07 | Bha Altair, Llc | Reverse V-cell or minipleat filter with pleat pack mechanically sealed |
| CN203123705U (en) * | 2013-02-05 | 2013-08-14 | 康斐尔过滤设备(昆山)有限公司 | Combined medium-effect 4V filter |
| US9028578B2 (en) * | 2013-02-28 | 2015-05-12 | Bha Altair, Llc | Gas turbine inlet filter with replaceable media cartridges |
| CN203971603U (en) * | 2014-08-06 | 2014-12-03 | 武汉吉隆过滤技术有限公司 | A kind of combined type Wind Volume air cleaner |
| CA2962295C (en) * | 2014-09-25 | 2023-04-04 | Camfil Ab | V-type filter frame |
| MY195842A (en) * | 2014-09-25 | 2023-02-23 | Camfil Ab | V-Type Filter Frame |
| US9682338B2 (en) * | 2014-10-13 | 2017-06-20 | Bha Altair, Llc | Filter frame adapter |
| ITMI20150567A1 (en) * | 2015-04-20 | 2016-10-20 | Gvs Spa | FULLY REMOVABLE POCKET FILTER WITH RIGID FILTER PANELS |
| CN107580521A (en) * | 2015-05-15 | 2018-01-12 | 3M创新有限公司 | Collapsible V-type filter |
| US10967317B2 (en) * | 2015-08-18 | 2021-04-06 | W. L. Gore & Associates, Inc. | Filter assembly with curved inlet guide |
| CN105214388B (en) * | 2015-09-18 | 2017-07-28 | 广州金田瑞麟环境科技有限公司 | A kind of filter and the clarifier with the filter |
| CN108697960B (en) * | 2015-11-13 | 2021-07-06 | W.L.戈尔及同仁股份有限公司 | Support member for filtering pleated media |
| CN207071279U (en) * | 2017-08-04 | 2018-03-06 | 昆山恒清净化设备科技有限公司 | A kind of efficiently V-type filter frame |
| CN207266801U (en) * | 2017-09-19 | 2018-04-24 | 昆山恒清净化设备科技有限公司 | V-type filter |
| CN107715151A (en) * | 2017-11-13 | 2018-02-23 | 石狮市星火铝制品有限公司 | A kind of medical air sterilizing and purifying device and its air disinfection and purification system |
| CN108381938B (en) * | 2018-03-13 | 2020-06-16 | 上海超高环保科技股份有限公司 | Sintering filter screen with sterilization channel capable of being bent and formed freely and manufacturing method thereof |
| US10307703B1 (en) * | 2018-04-18 | 2019-06-04 | Daniel M. Dearden | Air filter housing |
| CN208287696U (en) * | 2018-04-19 | 2018-12-28 | 艾易西环境工程（上海）有限公司 | A kind of air purifier |
| CN108325336A (en) * | 2018-04-24 | 2018-07-27 | 福建万安华科电子科技有限公司 | Gas-particulate filter |
| CN209490607U (en) * | 2018-11-16 | 2019-10-15 | 安徽五湖滤材有限公司 | A kind of high temperature non-inductive windings V-type filter |
| CN109647068A (en) * | 2019-01-26 | 2019-04-19 | 瑞安市源霸机械制造有限公司 | A kind of air contaminant treatment engineering regenerative electric power equipment |
| CN210385205U (en) * | 2019-05-17 | 2020-04-24 | 美埃（中国）环境净化有限公司 | V-shaped air filter with replaceable filter element |
| CN110227309A (en) * | 2019-05-17 | 2019-09-13 | 美埃（中国）环境净化有限公司 | A kind of interchangeable V-type air filter of filter core |
| SE543814C2 (en) * | 2019-07-02 | 2021-08-03 | Camfil Ab | Air filter assembly with improved liquid drainage |
| CN210495626U (en) * | 2019-07-08 | 2020-05-12 | 广州信成净化设备有限公司 | General V-shaped dense-pleat filter |
| CN211676801U (en) * | 2019-12-20 | 2020-10-16 | 深圳市中建南方环境股份有限公司 | Detachable close pleat type chemical filter |
| CN111265949A (en) * | 2019-12-25 | 2020-06-12 | 董乐融 | Dust collector convenient to clean filtering component in real time |
-
2021
- 2021-03-22 CN CN202110299939.2A patent/CN112957835B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112957835A (en) | 2021-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112957835B (en) | But filter core substitution arc V type filter | |
| CN211581875U (en) | Hair-straightening accessory and hair shaping and nursing device | |
| US10767897B2 (en) | Window air conditioner | |
| EP4364857A1 (en) | Gluing nozzle and gluing device | |
| CN211854361U (en) | Air filtering equipment for fresh air system | |
| CN208692529U (en) | Concatenation unit and bookshelf | |
| CN210832505U (en) | New fan filter screen's fixed establishment | |
| CN217685833U (en) | 4V high-efficiency air filter plastic frame | |
| CN215930081U (en) | Combined outer frame for air purification device | |
| CN215295150U (en) | Air supply ceiling for operating room | |
| CN210610035U (en) | Assembly structure and controller casing | |
| CN212856189U (en) | Electrode plate connecting structure of purifier electric field | |
| CN219607824U (en) | Easily-disassembled condenser | |
| CN217480438U (en) | Easily assembled and disassembled plugboard | |
| CN215977889U (en) | Wallboard mounting assembly, wallboard mounting structure and bathroom structure thereof | |
| CN210107705U (en) | Heat exchanger mounting structure and air conditioner | |
| CN208779656U (en) | A kind of assembly type air conditioning exhausting frame | |
| CN208186672U (en) | Electrostatic precipitation module and air conditioner indoor unit | |
| CN210259367U (en) | Air conditioner cleaning equipment fixing device | |
| CN216620054U (en) | Filter screen assembly and air conditioner | |
| CN211503162U (en) | Air conditioner air inlet structure and have its seat machine of hanging | |
| CN214870343U (en) | Transmission rod supporting handle for dismounting device | |
| CN215002172U (en) | Bidirectional air inlet duct structure | |
| CN209991601U (en) | Cabinet air conditioner front shroud structure | |
| CN216346680U (en) | Air supply device for operating room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |