CN111364889A - Revolving door that possesses automatic dust removal function - Google Patents
Revolving door that possesses automatic dust removal function Download PDFInfo
- Publication number
- CN111364889A CN111364889A CN202010176416.4A CN202010176416A CN111364889A CN 111364889 A CN111364889 A CN 111364889A CN 202010176416 A CN202010176416 A CN 202010176416A CN 111364889 A CN111364889 A CN 111364889A
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- Prior art keywords
- sliding plug
- door frame
- dust
- cavity
- wall
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- 239000000428 dust Substances 0.000 title claims abstract description 82
- 230000006698 induction Effects 0.000 claims abstract description 20
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000036541 health Effects 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/90—Revolving doors; Cages or housings therefor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L1/00—Cleaning windows
- A47L1/02—Power-driven machines or devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/32—Carpet-sweepers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/32—Carpet-sweepers
- A47L11/33—Carpet-sweepers having means for storing dirt
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/02—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids with driven tools for special purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
- B08B5/023—Cleaning travelling work
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses a revolving door with an automatic dust removal function, which comprises a cylindrical door frame, wherein the inner wall of the cylindrical door frame is rotatably connected with a rotating shaft, the side wall of the rotating shaft is uniformly and fixedly connected with a plurality of rotating door frames, the side wall of each rotating door frame, which is close to the rotating shaft, is provided with a sliding plug cavity, the top in the sliding plug cavity is elastically connected with a sliding plug through a conductive spring, the lower end of the cylindrical door frame is provided with an annular groove, and a driving device for driving the sliding plug to move in the inner wall of the sliding plug cavity. When the rotary door frame rotates ceaselessly, the magnetic column reciprocates up and down in the annular groove, so that induction current is generated on the induction coil, the conductive spring is electrified and contracted to drive the sliding plug to move upwards, the space below the sliding plug cavity is enlarged, the pressure intensity is reduced, dust on the floor mat is sucked into the dust suction cavity through the one-way dust suction hole, and the phenomenon that the dust is scattered along with the walking of people and the excessive dust is sucked by the people to harm the health of the people is avoided.
Description
Technical Field
The invention relates to the technical field of revolving doors, in particular to a revolving door with an automatic dust removal function.
Background
Because the revolving door integrates the advantages of various door bodies, the revolving door is adopted as the door surface in various large-scale shopping malls and office buildings.
When the large-scale market is great with office building hall traffic, the crowd who comes and goes often can carry a large amount of dust, make on the ground of revolving door lower extreme can a large amount of dusts of adhesion, and these dusts can fly away along with people's walking, make people inhale too much dust, harm people's healthy, in addition, for the normal operating of large-scale market and office building, the revolving door is generally rotatory ceaselessly daytime, make the dust to on the ground mat can't carry out effectual clearance, make inside ground of large-scale market and office building can become dirty because the dust flies away, personnel's work load of keeping a public place clean has been increased, the inside pleasing to the eye of market and office building has also been influenced simultaneously.
Therefore, we propose a revolving door with automatic dust removal function to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a revolving door with an automatic dust removal function.
In order to achieve the purpose, the invention adopts the following technical scheme:
a revolving door with automatic dust removal function comprises a cylindrical door frame, the inner wall of the cylindrical door frame is rotatably connected with a rotating shaft, a plurality of rotating door frames are uniformly and fixedly connected with the side wall of the rotating shaft, a sliding plug cavity is arranged on the side wall of the rotating door frame close to the rotating shaft, the top part in the sliding plug cavity is elastically connected with a sliding plug through a conductive spring, the sliding plug is connected with the inner wall of the sliding plug cavity in a sliding way, the lower end of the rotating door frame is provided with a dust absorption cavity, the inner wall of the dust collection cavity is communicated with the sliding plug cavity through the air inlet cavity, the bottom in the dust collection cavity is provided with a plurality of one-way dust collection holes communicated with the lower end of the rotary door frame, the side wall of the rotating door frame far away from the rotating shaft is provided with a dust storage cavity, the bottom in the dust storage cavity is connected with a dust suction cavity through a one-way dust outlet cavity, the lower end of the cylindrical door frame is provided with an annular groove, and a driving device for driving the sliding plug to move on the inner wall of the sliding plug cavity is installed in the annular groove.
Preferably, drive arrangement includes the permanent magnet at top in the ring channel of a plurality of fixed connection, and is a plurality of the magnetism variation in size of permanent magnet, rotatory door frame upper end has seted up the recess, the recess is just to setting up with the ring channel, there is the magnetic pillar at top in the recess through spring elastic connection, the ring channel inner wall inlays the induction coil who is equipped with non-equidistance setting, just induction coil passes through switch circuit module and is connected with the conductive spring coupling.
Preferably, an annular air bag is fixedly connected between the upper end of the sliding plug and the top of the cavity of the sliding plug, an air outlet cavity is formed in the upper end of the rotating door frame, the side wall of the annular air bag is connected with the air outlet cavity through a one-way air outlet pipe, an air jet hole communicated with the air outlet cavity is formed in the top of the rotating door frame, and the side wall of the annular air bag is connected with a one-way air suction pipe.
The invention has the following beneficial effects:
1. by arranging the magnet, the magnetic column, the spring, the induction coil, the conductive spring and the sliding plug, when the rotary door frame rotates ceaselessly, due to the fact that the magnetism of the magnet is different in size, the magnetic column can move up and down in the annular groove under the action of the magnetic attraction of the magnet and the pulling force of the spring, magnetic induction lines are cut, induced current is generated on the induction coil, the conductive spring is electrified, the conductive spring is contracted after being electrified to drive the sliding plug to move up, the space below the sliding plug cavity is enlarged, the pressure intensity is reduced, dust on the floor mat is sucked into the dust suction cavity through the one-way dust suction hole, the dust is prevented from floating along with the walking of people, the people can suck too much dust, and the health of the people is harmed;
2. by arranging the annular air bag, the air outlet cavity, the air ejecting hole and the one-way air outlet pipe, when the conductive spring is electrified to drive the sliding plug to move upwards, the sliding plug compresses the annular air bag, so that air in the annular air bag enters the air outlet cavity through the one-way air outlet pipe and is ejected out of the air ejecting hole to clean dust on glass on a rotating door frame, and the dust is prevented from being accumulated on the glass due to flying and scattering, and the attractiveness of the rotating door is prevented from being influenced;
3. rotate through rotatory door frame and make induction current that produces on the induction coil for the sliding plug moves upward and clears up the dust on the ground mat, need not other equipment and drives, accords with the environmental protection concept, has avoided simultaneously that the dust that wafts leads to ground in shopping mall and the office building to become dirty, thereby has reduced personnel's that keep a public place clean work load.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
fig. 3 is an enlarged view of the structure at a in fig. 2.
In the figure: 1 cylindrical door frame, 2 revolving door frames, 3 ring grooves, 4 magnets, 5 induction coils, 6 grooves, 7 magnetic columns, 8 springs, 9 sliding plug cavities, 10 conductive springs, 11 sliding plugs, 12 dust suction cavities, 13 one-way dust suction holes, 14 dust storage cavities, 15 one-way dust outlet cavities, 16 ring-shaped air bags, 17 air outlet cavities, 18 air injection holes, 19 one-way air outlet pipes and 20 one-way air suction pipes.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example one
Referring to fig. 1, a revolving door with automatic dust removing function, comprising a cylindrical door frame 1, the inner wall of the cylindrical door frame 1 is rotatably connected with a rotating shaft, the rotating shaft is driven by an external driving motor, as in the prior art, the side wall of the rotating shaft is uniformly and fixedly connected with a plurality of rotating door frames 2, the inner walls of the cylindrical door frame 1 and the rotating door frames 2 are both fixedly connected with glass, the side wall of the rotating door frame 2 close to the rotating shaft is provided with a sliding plug cavity 9, the top part in the sliding plug cavity 9 is elastically connected with a sliding plug 11 through a conductive spring 10, the sliding plug 11 is slidably connected with the inner wall of the sliding plug cavity 9, a through hole communicated with the outside is arranged above the inner wall of the sliding plug cavity 9 for balancing the pressure of the sliding plug 11 when the inner wall of the sliding plug cavity 9 moves, the lower end of the rotating door frame 2 is provided with a dust absorbing cavity 12, the inner wall of the dust absorbing cavity 12, the side wall of the rotary door frame 2 far away from the rotating shaft is provided with a dust storage cavity 14, the bottom in the dust storage cavity 14 is connected with a dust suction cavity 12 through a one-way dust outlet cavity 15, the bottom in the dust storage cavity 14 is provided with a through hole communicated with the outside, the inner wall of the dust storage cavity 14 is provided with a dust removal port, dust accumulated in the dust storage cavity 14 is convenient to clean, further, the one-way dust suction hole 13 only allows dust to enter the dust suction cavity 12 from the outside, the one-way dust outlet cavity 15 only allows dust to enter the dust storage cavity 14 from the dust suction cavity 12, the one-way dust suction hole 13 and the one-way dust outlet cavity 15 can be internally provided with a one-way valve to realize functions, further, the inner wall of the dust suction cavity 12 close to the sliding plug cavity 9 and the upper part of the inner wall of the dust storage cavity 14 are fixedly connected with filter screens, dust outflow is avoided, the lower end of the cylindrical door frame 1 is provided with a ring-.
The driving device comprises a plurality of permanent magnets 4 fixedly connected to the inner top of the annular groove 3, the plurality of permanent magnets 4 have different magnetic sizes, the upper end of the rotating door frame 2 is provided with a groove 6, the groove 6 is arranged opposite to the annular groove 3, the inner top of the groove 6 is elastically connected with a magnetic column 7 through a spring 8, the inner wall of the annular groove 3 is embedded with an induction coil 5 which is arranged in a non-equidistant way, when the rotating door frame 2 rotates, the magnetic column 7 can reciprocate up and down on the inner wall of the annular groove 3 under the action of the permanent magnets 4 with different magnetic sizes and the spring 8, so that the magnetic column 7 cuts magnetic induction lines, induction current is generated on the induction coil 5, the induction coil 5 is coupled with the conductive spring 10 through a switching circuit module, further, the switching circuit module is a rectangular wave generation module, high level and low level are alternately output, when high level is output, the conductive spring, when the output is low, i.e. zero, the conductive spring 10 is de-energized, which is prior art.
In this embodiment, when the rotating doorframe 2 rotates continuously under the action of the rotating shaft, because the permanent magnet 4 fixedly connected to the inner top of the annular groove 3 has different magnetic properties, the magnetic pillar 7 fixedly connected to the inner bottom of the groove 6 through the spring 8 can reciprocate up and down in the annular groove 3 under the magnetic attraction of the permanent magnet 4, so that the magnetic pillar 7 cuts the magnetic induction line, thereby generating an induced current on the induction coil 5, so that the induction coil 5 intermittently inputs the induced current to the conductive spring 10 through the switch circuit module, when the conductive spring 10 is energized, the conductive spring 10 contracts to drive the sliding plug 11 fixedly connected with the lower end of the conductive spring to move up on the inner wall of the sliding plug cavity 9, so that the space below the sliding plug 11 is increased, the air pressure is reduced, so that the one-way dust suction hole 13 arranged on the inner wall of the dust suction cavity 12 generates suction, and dust on the floor mat is absorbed, after the power on the conductive spring 10 is cut off, the conductive spring 10 returns to the original state, and pushes the sliding plug 11 to move downwards, so that the space below the sliding plug 11 is reduced, the air pressure is increased, and the dust sucked into the dust suction cavity 12 enters the dust storage cavity 14 through the one-way dust outlet cavity 15 to store the dust.
Example two
Referring to fig. 2-3, the difference from the first embodiment is that an annular air bag 16 is fixedly connected between the upper end of the sliding plug 11 and the top of the sliding plug cavity 9, an air outlet cavity 17 is formed at the upper end of the rotating door frame 2, the side wall of the annular air bag 16 is connected with the air outlet cavity 17 through a one-way air outlet pipe 19, an air vent 18 communicated with the air outlet cavity 17 is formed at the top of the rotating door frame 2, a one-way air suction pipe 20 is connected to the side wall of the annular air bag 16, further, the one-way air outlet pipe 19 only allows air to enter the air outlet cavity 17 from the annular air bag 16, the one-way air suction pipe 20 only allows air to enter the annular air bag 16 from the outside, and the.
In this embodiment, after the circular telegram shrink on conductive spring 10, make sliding plug 11 move up and extrude annular gasbag 16, make the gas in the annular gasbag 16 get into in the air outlet chamber 17 through one-way outlet duct 19, and spout from fumarole 18, clear up the dust of installing on rotatory door frame 2 glass, after conductive spring 10 outage extension, sliding plug 11 moves down and stretches annular gasbag 16, make annular gasbag 16 breathe in through one-way breathing pipe 20, prepare for next time jet-propelled, avoid the dust to fly away and lead to the dust of gathering on the glass, influence the pleasing to the eye of revolving door.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The utility model provides a revolving door that possesses automatic dust removal function, includes cylindrical door frame (1), cylindrical door frame (1) inner wall rotates and is connected with the pivot, a plurality of rotatory door frame (2) of pivot lateral wall equipartition fixedly connected with, its characterized in that, rotatory door frame (2) are close to the lateral wall of pivot and have seted up sliding plug chamber (9), top has sliding plug (11) through conducting spring (10) elastic connection in sliding plug chamber (9), just sliding plug (11) and sliding plug chamber (9) inner wall sliding connection, rotatory door frame (2) lower extreme has seted up dust absorption chamber (12), dust absorption chamber (12) inner wall communicates with sliding plug chamber (9) through the chamber of admitting air, dust absorption chamber (12) interior bottom is seted up a plurality of one-way dust absorption hole (13) that communicate with rotatory door frame (2) lower extreme, rotatory door frame (2) keep away from the lateral wall of pivot and have seted up storage chamber (14), the bottom in the dust storage cavity (14) is connected with the dust absorption cavity (12) through a one-way dust outlet cavity (15), the lower end of the cylindrical door frame (1) is provided with an annular groove (3), and a driving device for driving the sliding plug (11) to move on the inner wall of the sliding plug cavity (9) is installed in the annular groove (3).
2. The revolving door with the automatic dust removing function according to claim 1, wherein the driving device comprises a plurality of permanent magnets (4) fixedly connected to the inner top of the annular groove (3), the permanent magnets (4) have different magnetic sizes, a groove (6) is formed in the upper end of the revolving door frame (2), the groove (6) is arranged opposite to the annular groove (3), the inner top of the groove (6) is elastically connected with a magnetic column (7) through a spring (8), an induction coil (5) arranged at a non-equal distance is embedded in the inner wall of the annular groove (3), and the induction coil (5) is coupled with the conductive spring (10) through a switch circuit module.
3. The revolving door with the automatic dust removal function according to claim 1, wherein an annular air bag (16) is fixedly connected between the upper end of the sliding plug (11) and the inner top of the sliding plug cavity (9), an air outlet cavity (17) is formed in the upper end of the revolving door frame (2), the side wall of the annular air bag (16) is connected with the air outlet cavity (17) through a one-way air outlet pipe (19), an air vent (18) communicated with the air outlet cavity (17) is formed in the inner top of the revolving door frame (2), and a one-way air suction pipe (20) is connected to the side wall of the annular air bag (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010176416.4A CN111364889B (en) | 2020-03-13 | 2020-03-13 | Revolving door that possesses automatic dust removal function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010176416.4A CN111364889B (en) | 2020-03-13 | 2020-03-13 | Revolving door that possesses automatic dust removal function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111364889A true CN111364889A (en) | 2020-07-03 |
| CN111364889B CN111364889B (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010176416.4A Active CN111364889B (en) | 2020-03-13 | 2020-03-13 | Revolving door that possesses automatic dust removal function |
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| Country | Link |
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| CN (1) | CN111364889B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804082A (en) * | 2020-07-10 | 2020-10-23 | 施海忠 | Self-cleaning type filtering equipment for spinning |
| CN112058726A (en) * | 2020-09-01 | 2020-12-11 | 湖州海明机械科技有限公司 | Self-cleaning system for high-altitude electronic advertising board |
| CN112076581A (en) * | 2020-10-14 | 2020-12-15 | 洪旭昱 | Automatic adjust high-efficient dust removal spray column that sprays effect |
| CN112190201A (en) * | 2020-09-21 | 2021-01-08 | 刘明明 | Automatic cleaning device for glass curtain wall |
| CN112761350A (en) * | 2020-12-31 | 2021-05-07 | 武汉华安峰源钢模制造有限公司 | Waterproof strenghthened type steel building templates |
| CN112895190A (en) * | 2021-01-18 | 2021-06-04 | 袁小涵 | Automatic kneading machine of constant temperature moisturizing |
| CN112932330A (en) * | 2021-01-28 | 2021-06-11 | 何超 | Domestic sliding door cleaning device based on magnetic force |
| CN112938180A (en) * | 2021-01-28 | 2021-06-11 | 贵州医科大学附属医院 | Sample management device and method for molecular pathological detection |
| CN114468847A (en) * | 2020-10-28 | 2022-05-13 | 青岛海尔滚筒洗衣机有限公司 | Combined cleaning system |
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| SU1359431A1 (en) * | 1985-12-25 | 1987-12-15 | Предприятие П/Я Г-4941 | Rotating door |
| CN105275346A (en) * | 2014-05-28 | 2016-01-27 | 天津市俊源机电安装有限公司 | Revolving door with gas regulating function |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804082A (en) * | 2020-07-10 | 2020-10-23 | 施海忠 | Self-cleaning type filtering equipment for spinning |
| CN112058726A (en) * | 2020-09-01 | 2020-12-11 | 湖州海明机械科技有限公司 | Self-cleaning system for high-altitude electronic advertising board |
| CN112190201A (en) * | 2020-09-21 | 2021-01-08 | 刘明明 | Automatic cleaning device for glass curtain wall |
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| CN112076581B (en) * | 2020-10-14 | 2021-10-01 | 江阴市锦绣江南环境发展有限公司 | Automatic adjust high-efficient dust removal spray column that sprays effect |
| CN114468847A (en) * | 2020-10-28 | 2022-05-13 | 青岛海尔滚筒洗衣机有限公司 | Combined cleaning system |
| CN112761350A (en) * | 2020-12-31 | 2021-05-07 | 武汉华安峰源钢模制造有限公司 | Waterproof strenghthened type steel building templates |
| CN112761350B (en) * | 2020-12-31 | 2022-08-26 | 宁波甜宝生物信息技术有限公司 | Waterproof strenghthened type steel building templates |
| CN112895190A (en) * | 2021-01-18 | 2021-06-04 | 袁小涵 | Automatic kneading machine of constant temperature moisturizing |
| CN112932330A (en) * | 2021-01-28 | 2021-06-11 | 何超 | Domestic sliding door cleaning device based on magnetic force |
| CN112938180A (en) * | 2021-01-28 | 2021-06-11 | 贵州医科大学附属医院 | Sample management device and method for molecular pathological detection |
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| CN111364889B (en) | 2021-09-10 |
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