CN203577581U - Air purifying device of large movable covered part - Google Patents
Air purifying device of large movable covered part Download PDFInfo
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- CN203577581U CN203577581U CN201320749866.3U CN201320749866U CN203577581U CN 203577581 U CN203577581 U CN 203577581U CN 201320749866 U CN201320749866 U CN 201320749866U CN 203577581 U CN203577581 U CN 203577581U
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Abstract
The utility model relates to an air purifying device, and particularly relates to an air purifying device of a large movable covered part. The air purifying device of the large movable covered part comprises an outer support, purifying racks, unidirectional compression mechanisms, bidirectional compression mechanisms, support modules, toxicity filters and air duct components, wherein two ends of the purifying racks are respectively provided with the unidirectional compression mechanisms by unidirectional compression supports; the middles of the purifying racks are provided with a plurality of bidirectional compression mechanisms by bidirectional compression supports; each air duct component is arranged between every two adjacent compression mechanisms on each purifying rack; each toxicity filter is installed between one compression mechanism and the corresponding air duct component on the corresponding purifying rack; top covers of the toxicity filters are connected with an air opening flange in a sealed mode; bottom covers of the toxicity filters are compressed by the pressing plates of the compression mechanisms; the bottoms of the purifying racks are provided with a plurality of support modules supporting the toxicity filters. The air purifying device of the large movable covered part is reasonable in design, is simple in structure, and achieves the functions of high air quantity, low resistance and long-term purification with the minimum occupied space.
Description
Technical field
The utility model relates to air cleaning facility, is specially the air cleaning equipment of the large-scale shelter of a kind of packaged type.
Background technology
Large-scale masked portion is fixed and portable two kinds, its air cleaning equipment of fixed large-scale shelter is connected and composed by many air purifying filters and pipeline, be arranged in gas-filtering room, its installing space is very large, the gas-filtering room of a protective unit is not less than 8 cubic metres, because being arranged on underground fortification without fastening, every air purifying filter only need be connected with pipeline with larynx hoop with rubber tube, but monomer whose volume is large, Heavy Weight, installation, replacing need aid, or the common operation of many people just can complete.
At present, China is also without portable large-scale shelter, and the existing portable shelter of China only has small-sized vehicle and removable shelter, and maximum volume is also no more than 40 cubic metres, personnel are no more than 15 people, air cleaning facility is unitary device, and its air quantity is little, resistance is high, guard time is short, and guard time only has 2% of portable large-scale shelter, resistance is its 10 times, maximum quantity of wind is only also its 1/4th, and its installation procedure is more, the time is long, and bolt is fixedly absolutely necessary.
Removable large-scale shelter is a kind of On-vehicle tent formula shelter, conventionally account paulin is incorporated in car and moves with car, arriving place to use is deployable use, protection can not only be provided in wartime, can be the air pollution episodes such as the toxic and harmful leakage of burst simultaneously, provide emergent the keeping away of personnel to protect place.Due to its air cleaning equipment installing space little (2.7 cubic metres of less thaies), protective zone large (nearly 300 cubic metres), guard time long (being fixed 12 times), protection object many (dual peacetimes), resistance little (being fixed 1/3), canister lightweight (being fixed 1/10), set-up time short (being fixed 1/10), only use a people, without any instrument, can realize these new propositions of installing and using requirement such as Fast Installation, replacing, it cannot be used and with reference to any existing equipment, need special development can meet its requirement.
Summary of the invention
It is the air cleaning equipment that portable shelter carries out air cleaning that the purpose of this utility model is to provide a kind of.
The utility model is to adopt following technical scheme to realize:
The large-scale shelter air cleaning equipment of packaged type, comprises support arm, purifies stand, one-way compression mechanism, Bidirectional compacting mechanism, supporting module, canister and ducting assembly.
Described one-way compression mechanism, comprises support, in described support, by guide rod shaft, puts two support guide rod of lower support, in support, between two support guide rod, is supported with square shaft; One end of described square shaft is connected with compression axis by shaft coupling, and described compression axis passes support by driving sleeve and is connected with handle; In described every support guide rod, slide is installed, on described slide, has the bar hole that makes slide have transverse horizontal stroke with respect to support guide rod, slide is arranged in support guide rod by bar hole; In described slide, back-moving spring is installed, one end of described back-moving spring is connected with slide inwall, the other end is connected with support guide rod; Described two slides are fixedly connected with a side of pressing plate jointly; The rear that is positioned at pressing plate on described square shaft is socketed with cam.
Described Bidirectional compacting mechanism, comprises support, in described support, by axle sleeve, supports a screw rod, and one end of screw rod is connected with compression axis by shaft coupling, and described compression axis passes support by axle sleeve and is connected with handle; Left and right two parts of described screw rod are processed with respectively the screw thread of opposite direction, on left and right two parts screw thread of screw rod, be rotary with respectively nut block corresponding to rotation direction, described each nut block is all hinged to one end of two connecting rods inserting with screw rod both sides level, and the other end of described four connecting rods is hinged by hinge between two respectively; Described two hinges are fixedly connected with respectively pressing plate.
Described canister, comprise housing, described housing comprises and on it, has the inner core of reticulated cell, has the middle cylinder of reticulated cell on it and on it, have the urceolus of reticulated cell, described inner core, middle cylinder are connected by the circular bottom that sealing is installed with the rear end of urceolus, the front end of inner core, middle cylinder and urceolus is provided with annular top cover, the interior round mouth of described annular top cover and inner core UNICOM, between described inner core and middle cylinder, be filled with the first active carbon layer that the first active carbon forms, between described middle cylinder and urceolus, be filled with the second active carbon layer that the second active carbon forms.
Described ducting assembly, comprises air channel, and the both sides in described air channel have air inlet, and described air inlet place is provided with air inlet flange;
The two ends of described purification stand are provided with one-way compression mechanism by one-way compression support respectively; The centre of described purification stand is provided with some Bidirectional compactings mechanism by Bidirectional compacting support; On described purification stand between one-way compression mechanism and Bidirectional compacting mechanism and ducting assembly is all installed between Bidirectional compacting mechanism between two; On described purification stand, one-way compression Agency And all and between ducting assembly is provided with canister to hold-down mechanism; Top cover opening and the tuyere flange of described canister are tightly connected, and the bottom of canister is compressed by the pressing plate of unidirectional hold-down mechanism or Bidirectional compacting mechanism; The bottom of described purification stand is provided with the supporting module of some support canisters.
In described support arm, be some layers of purification stand are longitudinally installed successively.
During use, support arm is fixed on car body with bolt; Purify that stand is that some layers is positioned in support arm and fastening up and down with bolt, the duct outlet on its ducting assembly and car body air outlet bolted, the air inlet UNICOM finally and in shelter.Canister is positioned over and purifies on stand, its air outlet is tightly connected with corresponding tuyere flange, at least every two canisters share an air channel, rotate respectively one-way compression Agency And and realize to the compression axis of hold-down mechanism the compression of canister with ratchet spanner (being handle); One-way compression mechanism only need rotate 90 ° by the handle on it can be by canister and air channel flange press seal, be that the in-house compression axis of one-way compression drives square shaft rotation by shaft coupling, cam is fixed on square shaft, groove in pin and axle sleeve that the position-limit mechanism rotating is stretched out by compression axis end face forms, two guide rod supports for slide, in slide, fixed taper spring, resetted when loosening.While clockwise rotating handle, can workpiece pressing, cam forwards to and compresses the pressing plate of naming a person for a particular job and push workpiece to, while realizing self-locking, the rotation of compression axis will be limited in axle sleeve, rotate counterclockwise 90 while spending, and loosen workpiece, slide is return original position under the effect of back-moving spring power, the distance of pulling open pressing plate and workpiece, is convenient for changing workpiece, and the rotation of compression axis simultaneously also will be limited in axle sleeve, in this process, when cam clockwise rotates, its profile contacts with clamp wire, along outline line workpiece pressing gradually, reaches limit point, thrust is increased gradually, in limit point self-locking.Clockwise rotate Bidirectional compacting mechanism compression axis a few can be by the canister of both sides and air channel flange press seal, rotate counterclockwise and loosen canister, the rotation that is compression axis in Bidirectional compacting mechanism reaches two screw rods, on screw rod, two nut block are carried out rectilinear motion in opposite directions, convert the pressing plate of hinge connection to along the rectilinear motion that advances or retreat perpendicular to screw rod by two hinges.While clockwise rotating handle, can push workpiece to seal face, while rotating counterclockwise handle, can loosen workpiece.When two screw pairs are at the uniform velocity adjacent to each other, the pressing plate at hinge place belongs to even deceleration rectilinear motion to the motion of workpiece pressing direction, and the thrust therefore workpiece being applied increases gradually, can save like this manual force.In addition, when two screw pairs are at the uniform velocity adjacent to each other or away from time more fast again than the translational speed of a screw pair, compress like this and the speed loosened has also improved nearly one times, and the direction of active force is all the time on the angular bisector of hinge angle.Finally, one-way compression Agency And is to pressing plate two canisters of press seal simultaneously of hold-down mechanism; By whole canister press seals.During work, contaminated air is entered by the housing urceolus of canister, through filtering poison layer by after toxic and harmful purification, through housing inner core, by the air outlet of ducting assembly, enters car body air outlet, then clean air is sent into shelter inside.
The utility model is reasonable in design, simple in structure, utilize minimum taking up room, realized Wind Volume, lower resistance, long-time purification function, and can realize Fast Installation, replacing by light, simple and direct mode, and integrated optimization has been carried out in air-out air channel, by original air channel of a filter, change many canisters into and share same air channel, not only saved space, saved air channel, also being convenient to the connection of vent passages, is that current air cleaning equipment is difficult to realize.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present utility model.
Fig. 2 is the single layer structure schematic diagram of Fig. 1.
Fig. 3 is supporting construction schematic diagram of the present invention.
Fig. 4 is the structural representation of ducting assembly.
The schematic diagram of Tu5Shi one-way compression mechanism.
The rear pseudosection of Tu6Shi one-way compression mechanism.
The top view of Tu7Shi one-way compression mechanism.
The cut-away diagram of Tu8Shi one-way compression mechanism.
The schematic diagram of Tu9Shi Bidirectional compacting mechanism.
Figure 10 is the structural representation of canister.
Figure 11 is the structural representation of supporting module.
In figure, 1-support arm, 2-shaft coupling, 3-handle, 4-axle sleeve, 5-power transmission shaft, 100-purifies stand, 200-one-way compression mechanism, 300-Bidirectional compacting mechanism, 400-supporting module, 500-canister, 600-ducting assembly, 201-one-way compression support, 202-one-way compression axle, 203-square shaft, 204-support guide rod, 205-slide, the unidirectional pressing plate of 206-, 207-back-moving spring, 208-cam, 301-Bidirectional compacting support, 302-Bidirectional pressure mandrel, 303-nut block, 304-screw rod, 305-hinge, 306-connecting rod, the two-way pressing plate of 307-, 401-jackshaft, 402-bearing, 403-rubber part, 404-rubber parts, 405-clamp nut, 501-housing, 502-the first active carbon layer, 503-the second active carbon layer, 504-top cover, 505-bottom, 601-air channel, 602-regulates sealing gasket, 603-tuyere flange, 604-seal gasket.
The specific embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
The large-scale shelter air cleaning equipment of packaged type, comprises support arm 1, purifies stand 100, one-way compression mechanism 200, Bidirectional compacting mechanism 300, supporting module 400, canister 500 and ducting assembly 600, as shown in Figure 1.
As shown in Figure 5, described one-way compression mechanism 200, comprises one-way compression support 201, in described one-way compression support 201, by two support guide rod 204 of lower support on axle sleeve 4, is supported with square shaft 203 in one-way compression support 201 between two support guide rod 204; One end of described square shaft 203 is connected with one-way compression axle 202 by shaft coupling 2, and described one-way compression axle 202 passes one-way compression support 201 by axle sleeve 4 and is connected with handle; In described every support guide rod 204, slide 205 is installed, on described slide 205, has the bar hole that makes slide 205 have transverse horizontal stroke with respect to support guide rod 204, slide 205 is arranged in support guide rod 204, as shown in Figure 7 by bar hole.
In described slide 205, back-moving spring 207 is installed, one end of described back-moving spring 207 is connected with slide 205 inwalls, the other end is connected with support guide rod 204; When unidirectional pressing plate 206 presses to workpiece, back-moving spring 207 is compressed; After handle rotates counterclockwise, slide 205 sets back under the effect of back-moving spring 207.
The rear that is positioned at unidirectional pressing plate 206 on described square shaft 203 is socketed with cam 208, and described cam 209 contacts with the rear side upper thread of unidirectional pressing plate 207, as shown in Figure 8.The other end of described square shaft 203 is connected with power transmission shaft 5, and by one-way compression support 201, along the axial modularization assemble of power transmission shaft 5 and be connected with shaft coupling with power transmission shaft and can expand multiple compression points, realization is to the compression of multi-work piece more.
As shown in Figure 9, described Bidirectional compacting mechanism 300, comprise Bidirectional compacting support 301, in described Bidirectional compacting support 301, by axle sleeve 4, support a screw rod 304, one end of screw rod 304 is connected with Bidirectional pressure mandrel 302 by shaft coupling 2, and described Bidirectional pressure mandrel 302 passes Bidirectional compacting support 301 by axle sleeve 4 and is connected with handle 3; Left and right two parts of described screw rod 304 are processed with respectively the screw thread of opposite direction, on left and right two parts screw thread of screw rod 304, be rotary with respectively nut block corresponding to rotation direction 303, described each nut block 303 is all hinged to one end of two connecting rods 306 inserting with screw rod 304 both sides levels, and the other end of described four connecting rods 306 is hinged by hinge 305 between two respectively; Described two hinges 305 are fixedly connected with respectively two-way pressing plate 307.Four isometric connecting rod head and the tail connections between two, article one, two summits on diagonal replace by two nut block, and through a screw rod, form two screw pairs, with four connecting rod composition quadric chains, drive two hinges freely to change the size of angle, swaying of screw rod is converted to the rectilinear motion perpendicular to axle.This mechanism structure compactness, institute takes up space little.Two screw pairs can drive two to compress point, at the other end of power transmission shaft, join again two screw pairs, by that analogy, while carrying out modularization assemble, the other end of screw rod is connected with power transmission shaft by shaft coupling, for connecting another module, can expand multiple compression points, realization, to the compression of multi-work piece more, realizes " generation is many ", compresses multiple workpiece simultaneously.
As shown in figure 10, described canister 500, comprise housing 501, described housing 501 comprises the inner core that has reticulated cell on it, on it, have the middle cylinder of reticulated cell and on it, have the urceolus of reticulated cell, described inner core, middle cylinder is connected by the circular bottom 505 that sealing is installed with the rear end of urceolus, inner core, the front end of middle cylinder and urceolus is provided with annular top cover 504, the interior round mouth of described annular top cover 504 and inner core UNICOM, between described inner core and middle cylinder, be filled with the first active carbon layer 502 that the first active carbon forms, between described middle cylinder and urceolus, be filled with the second active carbon layer 503 that the second active carbon forms, during use, described the first active carbon layer 502 is WG Immesion active carbon, and described the second active carbon layer 503 is ZH Immesion active carbon.WG Immesion active carbon protects mainly for 11 kinds of gas of five classes of classics, and ZH Immesion active carbon is mainly to protect for other toxic and harmful, therefore that canister can be put down, be fought is dual-purpose.
As shown in Figure 4, described ducting assembly 600 comprises air channel 601, the both sides in described air channel 601 have air inlet, described air inlet place is provided with air inlet flange 603, in described ducting assembly 600, between air inlet and air inlet flange 603, be provided with and regulate sealing gasket 602, on described air inlet flange 603, be pasted with seal gasket 604.
As shown in figure 11, described supporting module 400 comprises jackshaft 401, the two ends of described jackshaft 401 are separately installed with bearing 402, between described two bearings 402, are installed with rubber part 403, and the periphery sulfuration of described rubber part 403 has rubber parts 404; One end of described jackshaft 401 is provided with clamp nut 405; The other end of described jackshaft 401 is arranged on the bottom that purifies stand 100.Described rubber parts 404 wraps bearing 402.
As shown in Figure 2,3, the two ends of described purification stand 100 are provided with one-way compression mechanism 200 by one-way compression support 201 respectively; The centre of described purification stand 100 is provided with some Bidirectional compactings mechanism 300 by Bidirectional compacting support 301; On described purification stand 100 between one-way compression mechanism 200 and Bidirectional compacting mechanism 300 and ducting assembly 600 is all installed between Bidirectional compacting mechanism 300 between two; On described purification stand 100, one-way compression mechanism 200 and Bidirectional compacting mechanism 300 all and between ducting assembly are provided with canister 500; The outer round mouth of top cover 505 boss and the tuyere flange 603 of described canister 500 are tightly connected by seal gasket 604, and the bottom 504 of canister 500 is compressed by the pressing plate of unidirectional hold-down mechanism 200 or Bidirectional compacting mechanism 300; The bottom of described purification stand 100 is provided with the supporting module 400 of some support canisters 500.
As Fig. 1 shows, in described support arm 1, be some layers of purification stand 100 are longitudinally installed successively.
During concrete enforcement, described support arm consists of aluminium section bar, chamfered groove connector, screw special and specialized nut, specialized nut be positioned over the tactile section groove of clean bench bridge joint in, in order to purify stand fastening.
With special chamfered groove connector and screw, be connected to and purify stand two ends, two compression modules are equally distributed on and purify in the middle of stand, are connected with special chamfered groove connector with screw; Outer crossbeam inner side, interior crossbeam both sides that supporting module is arranged on the purification stand bottom between compression module and air channel are connected fastening with specialized nut in section bar; Ducting assembly is arranged on the purification stand crossbeam top between two compression modules, by air channel compressing member, with bolt, fix, and on the air outlet flange in air channel adhesive seal rubber cushion, it is connected with bolt with car body air outlet.Purifying stand consists of aluminium section bar, chamfered groove connector screw special.
The present invention has adopted modular construction form, and it is convenient especially for different air quantity, to select with outfit, without redesign, can easily realize by increasing or reduce clean bench frame module quantity, and its extending space is large; Each module all can be applied separately, its applied range.
Brand-new modular layer dress bent structure, by single, double, to hold-down mechanism, combine together in support, damping, hermetically-sealed construction and integrated air channel, in its limited space, realized Wind Volume, lower resistance, long-time purification function.
Claims (8)
1. the large-scale shelter air cleaning equipment of packaged type, is characterized in that: comprise support arm (1), purify stand (100), one-way compression mechanism (200), Bidirectional compacting mechanism (300), supporting module (400), canister (500) and ducting assembly (600);
Described one-way compression mechanism (200), comprise one-way compression support (201), by upper two support guide rod of lower support (204) of axle sleeve (4), in one-way compression support (201), be positioned at and between two support guide rod (204), be supported with square shaft (203) in described one-way compression support (201); One end of described square shaft (203) is connected with one-way compression axle (202) by shaft coupling (2), and described one-way compression axle (202) passes one-way compression support (201) by axle sleeve (4) and is connected with handle; Slide (205) is installed in described every support guide rod (204), be on described slide (205), to have the bar hole that makes slide (205) have transverse horizontal stroke with respect to support guide rod (204), slide (205) is arranged in support guide rod (204) by bar hole; Back-moving spring (207) is installed in described slide (205), and one end of described back-moving spring (207) is connected with slide (205) inwall, the other end is connected with support guide rod (204); Described two slides (205) are fixedly connected with a side of unidirectional pressing plate (206) jointly; The rear that is positioned at unidirectional pressing plate (206) on described square shaft (203) is socketed with cam (208);
Described Bidirectional compacting mechanism (300), comprise Bidirectional compacting support (301), in described Bidirectional compacting support (301), by axle sleeve (4), support a screw rod (304), one end of screw rod (304) is connected with Bidirectional pressure mandrel (302) by shaft coupling (2), and described Bidirectional pressure mandrel (302) passes Bidirectional compacting support (301) by axle sleeve (4) and is connected with handle (3); Left and right two parts of described screw rod (304) are processed with respectively the screw thread of opposite direction, on left and right two parts screw thread of screw rod (304), be rotary with respectively nut block corresponding to rotation direction (303), described each nut block (303) is all hinged to one end of two connecting rods (306) of inserting with screw rod (304) both sides level, and the other end of described four connecting rods (306) is hinged by hinge (305) between two respectively; Described two hinges (305) are fixedly connected with respectively two-way pressing plate (307);
Described canister (500), comprise housing (501), described housing (501) comprises the inner core that has reticulated cell on it, on it, have the middle cylinder of reticulated cell and on it, have the urceolus of reticulated cell, described inner core, middle cylinder is connected by the circular bottom (505) that sealing is installed with the rear end of urceolus, inner core, the front end of middle cylinder and urceolus is provided with annular top cover (504), the interior round mouth of described annular top cover (504) and inner core UNICOM, between described inner core and middle cylinder, be filled with the first active carbon layer (502) that the first active carbon forms, between described middle cylinder and urceolus, be filled with the second active carbon layer (503) that the second active carbon forms,
Described ducting assembly (600), comprises air channel (601), and the both sides of described air channel (601) have air inlet, and described air inlet place is provided with air inlet flange (603);
The two ends of described purification stand (100) are provided with one-way compression mechanism (200) by one-way compression support (201) respectively; The centre of described purification stand (100) is provided with some Bidirectional compacting mechanisms (300) by Bidirectional compacting support (301); Described purification stand (100) is gone up between one-way compression mechanism (200) and Bidirectional compacting mechanism (300) and ducting assembly (600) is all installed between Bidirectional compacting mechanism (300) between two; The upper one-way compression mechanism (200) of described purification stand (100) and Bidirectional compacting mechanism (300) all and between ducting assembly are provided with canister (500); The outer round mouth of top cover (505) and the tuyere flange (603) of described canister (500) are tightly connected, and the bottom (504) of canister (500) is compressed by the pressing plate of unidirectional hold-down mechanism (200) or Bidirectional compacting mechanism (300); The bottom of described purification stand (100) is provided with the supporting module (400) of some support canisters (500);
In described support arm (1), be some layers of purification stand (100) are longitudinally installed successively.
2. the large-scale shelter air cleaning equipment of packaged type according to claim 1, it is characterized in that: described supporting module (400) comprises jackshaft (401), the both sides of described jackshaft (401) are separately installed with bearing (402), between described two bearings (402), be installed with rubber part (403), the periphery sulfuration of described rubber part (403) has rubber parts (404), and one end of described jackshaft (401) is provided with clamp nut (405);
The other end of described jackshaft (401) is arranged on the bottom that purifies stand (100).
3. the large-scale shelter air cleaning equipment of packaged type according to claim 1 and 2, is characterized in that: the other end of the described screw rod (304) in described Bidirectional compacting mechanism (300) is connected with the power transmission shaft (5) that passes Bidirectional compacting support (301) by shaft coupling (2).
4. the large-scale shelter air cleaning equipment of packaged type according to claim 3, is characterized in that: the other end of the described square shaft (203) in described one-way compression mechanism (200) is connected with the power transmission shaft (5) that passes one-way compression support (201).
5. the large-scale shelter air cleaning equipment of packaged type according to claim 4, it is characterized in that: described the first active carbon layer (502) in described canister (500) is WG Immesion active carbon, and described the second active carbon layer (503) is ZH Immesion active carbon.
6. the large-scale shelter air cleaning equipment of packaged type according to claim 5, it is characterized in that: in the slide (205) in described one-way compression mechanism (200), back-moving spring (207) is installed, one end of described back-moving spring (207) is connected with slide (205) inwall, the other end is connected with support guide rod (204).
7. the large-scale shelter air cleaning equipment of packaged type according to claim 5, is characterized in that: in described ducting assembly (600), be provided with and regulate sealing gasket (602) between air inlet and air inlet flange (603).
8. the large-scale shelter air cleaning equipment of packaged type according to claim 6, is characterized in that: in described ducting assembly (600), be provided with and regulate sealing gasket (602) between air inlet and air inlet flange (603).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320749866.3U CN203577581U (en) | 2013-11-25 | 2013-11-25 | Air purifying device of large movable covered part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320749866.3U CN203577581U (en) | 2013-11-25 | 2013-11-25 | Air purifying device of large movable covered part |
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| Publication Number | Publication Date |
|---|---|
| CN203577581U true CN203577581U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320749866.3U Withdrawn - After Issue CN203577581U (en) | 2013-11-25 | 2013-11-25 | Air purifying device of large movable covered part |
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| CN (1) | CN203577581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103721521A (en) * | 2013-11-25 | 2014-04-16 | 山西新华化工有限责任公司 | Air purification equipment of movable type large shelter |
-
2013
- 2013-11-25 CN CN201320749866.3U patent/CN203577581U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103721521A (en) * | 2013-11-25 | 2014-04-16 | 山西新华化工有限责任公司 | Air purification equipment of movable type large shelter |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140507 Effective date of abandoning: 20150812 |
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| RGAV | Abandon patent right to avoid regrant |