CN115419757A - Air pipe with anti-oil pollution function - Google Patents

Air pipe with anti-oil pollution function Download PDF

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Publication number
CN115419757A
CN115419757A CN202211057756.0A CN202211057756A CN115419757A CN 115419757 A CN115419757 A CN 115419757A CN 202211057756 A CN202211057756 A CN 202211057756A CN 115419757 A CN115419757 A CN 115419757A
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CN
China
Prior art keywords
wall
sliding
fixed block
block
magnetic
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Granted
Application number
CN202211057756.0A
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Chinese (zh)
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CN115419757B (en
Inventor
周建兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Junchen Steel Co ltd
Original Assignee
Zhongrun Environmental Protection Technology Nantong Co ltd
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Application filed by Zhongrun Environmental Protection Technology Nantong Co ltd filed Critical Zhongrun Environmental Protection Technology Nantong Co ltd
Priority to CN202211057756.0A priority Critical patent/CN115419757B/en
Publication of CN115419757A publication Critical patent/CN115419757A/en
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Publication of CN115419757B publication Critical patent/CN115419757B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/003Rigid pipes with a rectangular cross-section
    • B08B1/143
    • B08B1/30
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/04Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/0436Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/04Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/055Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/24Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers

Abstract

The invention discloses a ventilating duct with an anti-oil stain function, which comprises a ventilating duct, wherein the outer wall of the ventilating duct is fixedly connected with a connecting plate, an oil stain cleaning mechanism is arranged in the ventilating duct, a sliding long scraper blade in the ventilating duct is blown by wind power through the oil stain cleaning mechanism, the sliding long scraper blade is subjected to backward force until the wind power is larger than the magnetic attraction force between a magnetic fixed block A and a magnetic fixed block B outside a sliding short scraper block on the outer wall of the sliding long scraper blade, so that the magnetic fixed block A is separated from the magnetic attraction between the magnetic fixed block A and the magnetic fixed block B at the moment, the sliding short scraper block is separated from the limitation, the sliding long scraper blade is also separated from the limitation, the sliding long scraper blade rapidly slides to the deep part in the ventilating duct, and synchronously pulls a rubber elastic rope to deform and stretch, so that the inner wall of the ventilating duct is automatically scraped in real time through the sliding of the sliding long scraper blade during ventilation, the oil stain in the ventilating duct is wiped, and is scraped and wiped to be adhered to the fixed block for centralized collection, thereby ensuring the cleaning of the inside of the ventilating duct, and having the characteristics of strong practicability.

Description

Air pipe with anti-oil pollution function
Technical Field
The invention relates to the technical field of ventilation ducts, in particular to a ventilation duct with an anti-oil stain function.
Background
Ventilating pipe is metal or nonmetal pipeline for ventilation and air conditioning engineering of industry and civil buildings, is a municipal infrastructure for making the circulation of air, reducing harmful gas concentration, and wind pipeline generally divide into three kinds of materials: white iron (galvanized) ventilation duct, glass fiber reinforced plastic ventilation duct, composite material ventilation duct, ventilation duct is widely used in building engineering, for example: the ventilation pipe is a hollow pipe used for ventilation and is mostly round or square. The ventilation pipe is made of plate, section bar and other main finished product materials, and the ventilation pipe meets the requirements of the current standard of the design and related product countries.
Refer to a patent number for CN 215962628U's a ventilation pipe with dust removal filtering capability specifically is a ventilation pipe with dust removal filtering capability, including the pipeline body, the middle-end fixedly connected with U type footstock at pipeline body inner chamber top, the middle-end swing joint of pipeline body bottom has U type base, the active carbon filter screen has been placed between the internal surface of U type base and the internal surface of U type footstock, the locking hole has all been seted up to the both sides of pipeline body bottom, the cavity has been seted up to the lower extreme of U type base.
This patent is when ventilating, can't carry out the efficient to the greasy dirt and filter, and easy adhesion influences the ventilation quality in the ventilation duct for a long time at the ventilation duct inner wall, and the practicality is poor. Therefore, it is necessary to design a ventilation duct with an anti-oil function with strong practicability.
Disclosure of Invention
The invention aims to provide a ventilating duct with an anti-oil stain function so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a ventilating duct with an oil stain resistance function comprises a ventilating duct, wherein a connecting plate is fixedly connected to the outer wall of the ventilating duct, and an oil stain cleaning mechanism is arranged inside the ventilating duct;
the oil stain cleaning mechanism comprises a sliding long scraper, the outer wall of the sliding long scraper is connected with the inner wall of the ventilation pipe in a sliding mode, the outer wall of the sliding long scraper is fixedly connected with a rubber elastic rope, one end of the rubber elastic rope is fixedly connected with the inner wall of the ventilation pipe, the outer wall of the sliding long scraper is fixedly connected with a fixed block, the outer wall of the sliding long scraper is fixedly connected with a vertical fixed block, the outer wall of the vertical fixed block is connected with a sliding short scraper block in a sliding mode, the outer wall of the sliding short scraper is connected with a long chute in a sliding mode, the long chute is arranged on the rated ratio of the ventilation pipe, the outer wall of the sliding short scraper is fixedly connected with a magnetic fixed block A, the outer wall of the magnetic fixed block A is in contact with a magnetic fixed block B, the inner wall of the ventilation pipe is fixedly connected with a magnetic block C, and the bottom of the sliding short scraper is provided with an oil stain scraping cleaning and collecting mechanism;
greasy dirt scraping clearance is collected the mechanism and is included the open-close plate, pivot outer wall fixedly connected with balancing weight.
According to the technical scheme, greasy dirt scraping, cleaning and collecting mechanism still comprises a rotating shaft, the outer wall of the rotating shaft is in sliding connection with the outer wall of the sliding short scraping block through a long sliding groove, and the outer wall of the rotating shaft is fixedly connected with the outer wall of the opening plate.
According to the technical scheme, the magnetism of one side of the magnetic fixed block A, which is opposite to the magnetic fixed block B, is opposite in polarity and mutually attracted.
According to the technical scheme, the magnetism of the opposite side of the magnetic fixed block A and the magnetic block C is opposite pole attraction.
According to the technical scheme, the long sliding groove is in an inclined upward shape.
According to the technical scheme, the elastic force of the rubber elastic rope is larger than the magnetic attraction force between the magnetic fixing block A and the magnetic block C.
According to the technical scheme, the sliding short scraping block is hollow.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, by arranging the greasy dirt cleaning mechanism, when a large amount of ventilation is performed in the ventilation pipe, the wind power blows the sliding long scraper blade in the ventilation pipe, the sliding long scraper blade is subjected to backward force until the wind power is greater than the magnetic attraction force between the magnetic fixed block A and the magnetic fixed block B outside the sliding short scraper blade on the outer wall of the sliding long scraper blade, so that the magnetic fixed block A is separated from the magnetic attraction force between the magnetic fixed block A and the magnetic fixed block B, the sliding short scraper blade is separated from the limitation, the sliding long scraper blade is also separated from the limitation, the sliding long scraper blade rapidly slides to the deep inside of the ventilation pipe, and the rubber elastic rope is synchronously pulled to deform and stretch, so that the inner wall of the ventilation pipe is automatically scraped in real time by the sliding of the sliding long scraper blade during ventilation, the greasy dirt in the ventilation pipe is wiped and is wiped to be adhered to the fixed block, and concentrated collection is performed, and the cleaning of the inside of the ventilation pipe is ensured.
(2) According to the invention, by arranging the oil stain cleaning mechanism, the magnetic fixed block A on the sliding short scraping block on the outer wall of the sliding long scraper which slides out can be magnetically attracted with the magnetic block C through magnetic attraction force, so that the static stability of the sliding long scraper is kept, and when the wind power is gradually reduced and gradually stops, the sliding long scraper is not pushed by the wind any more, and at the moment, the magnetic attraction force of the magnetic fixed block A and the magnetic block C is smaller than the pulling force of the rubber elastic rope, so that the rubber elastic rope pulls the sliding long scraper to rapidly slide back, and the inner wall of the ventilation pipe is rapidly scraped in a sliding way once again, and the cleaning effect on the inner wall of the ventilation pipe is further improved through rapid sliding of the rubber elastic rope.
(3) According to the invention, by arranging the oil stain cleaning mechanism, when the sliding long scraper is pushed out, the sliding short scraping block on the outer wall of the sliding long scraper can slide on the outer wall of the long chute to ascend, and the outer wall of the vertical fixed block is subjected to lifting sliding wiping through the sliding short scraping block, so that a large amount of residues scraped and adhered on the outer wall of the vertical fixed block are scraped along with the ascending of the sliding short scraping block and slide to the inner wall of the sliding short scraping block for centralized collection, the cleaning effect on the outer wall of the vertical fixed block is realized, and the problem that the subsequent scraping effect is influenced by scraping the oil stain adhered on the outer wall of the ventilation pipe by the vertical fixed block for a long time is avoided.
(4) According to the invention, by arranging the greasy dirt scraping, cleaning and collecting mechanism, when the sliding short scraping block quickly rises on the outer wall of the vertical fixed block, the open-close plate at the bottom of the sliding short scraping block is driven to tightly press the outer wall of the vertical fixed block due to the characteristic of large self-mass and large inertia of the balancing weight, so that the scraping effect is ensured, and when the sliding short scraping block quickly falls on the outer wall of the vertical fixed block, the balancing weight drives the open-close plate and the rotating shaft to rotate to open and close at the bottom of the sliding short scraping block, so that the open-close plate is separated from contact with the outer wall of the vertical fixed block, and when the sliding short scraping block falls, residual residues on the outer wall of the vertical fixed block cannot be scraped to the inside of the ventilation pipe along with falling, so that secondary pollution to the inside of the ventilation pipe is caused, and the phenomenon that the dropped residues blow off air quality influencing the environment along with secondary ventilation is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic overall view of the present invention;
fig. 2 is a schematic structural diagram of the oil cleaning mechanism of the invention;
FIG. 3 is a schematic structural view of a sliding wiper block of the present invention;
FIG. 4 is a bottom schematic view of the sliding wiper block of the present invention;
FIG. 5 is a schematic view of the oil scraping, cleaning and collecting mechanism of the present invention;
fig. 6 is a schematic structural view of the opening plate of the present invention.
In the figure: 1 connecting plate, 2 ventilation pipes, 3 greasy dirt cleaning mechanisms, 301 sliding long scrapers, 302 rubber elastic ropes, 303 fixed blocks, 304 vertical fixed blocks, 305 sliding short scrapers, 306 magnetic fixed blocks A, 307 magnetic fixed blocks B, 308 long chutes, 309 magnetic blocks C, 4 greasy dirt scraping cleaning and collecting mechanisms, 401 open-close plates, 402 rotating shafts and 403 balancing weights.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: a ventilating duct with an anti-oil stain function comprises a ventilating duct 2, wherein the outer wall of the ventilating duct 2 is fixedly connected with a connecting plate 1, and an oil stain cleaning mechanism 3 is arranged inside the ventilating duct 2;
the oil stain cleaning mechanism 3 comprises a sliding long scraper blade 301, the outer wall of the sliding long scraper blade 301 is connected with the inner wall of the ventilation pipe 2 in a sliding mode, the outer wall of the sliding long scraper blade 301 is fixedly connected with a rubber elastic rope 302, one end of the rubber elastic rope 302 is fixedly connected with the inner wall of the ventilation pipe 2, the outer wall of the sliding long scraper blade 301 is fixedly connected with a fixing block 303, the outer wall of the sliding long scraper blade 301 is fixedly connected with a vertical fixing block 304, the outer wall of the vertical fixing block 304 is connected with a sliding short scraper block 305 in a sliding mode, the outer wall of the sliding short scraper block 305 is connected with a long chute 308 in a sliding mode, the long chute 308 is arranged on the ventilation pipe 2 in a rated proportion, the outer wall of the sliding short scraper block 305 is fixedly connected with a magnetic fixing block A306, the outer wall of the magnetic fixing block A306 is in contact with a magnetic fixing block B307, the inner wall of the ventilation pipe 2 is fixedly connected with a magnetic block C309, and the bottom of the sliding short scraper block 305 is provided with an oil stain scraping cleaning and collecting mechanism 4;
the oil stain scraping, cleaning and collecting mechanism 4 comprises an opening-closing plate 401 and a rotary shaft 402, wherein the outer wall of the rotary shaft is fixedly connected with a balancing weight 403.
Greasy dirt scraping clearance is collected mechanism 4 and is still included pivot 402, and pivot 402 outer wall and the short piece 305 outer wall of scraping of slip are through long spout sliding connection, pivot 402 outer wall and open-close plate 401 outer wall fixed connection.
The magnetism of the opposite side of the fixed magnetic block A306 and the fixed magnetic block B307 is opposite in polarity and is attracted.
The magnetism of the opposite side of the magnetic fixed block A306 and the magnetic block C309 is opposite in polarity and is attracted.
The long chute 308 is in an inclined upward configuration.
The elastic force of the rubber elastic rope 302 is larger than the magnetic attraction force between the magnetic fixing block A306 and the magnetic block C309.
The inside of the sliding short scraping block 305 is in a hollow state;
when the novel ventilating pipe is used, the ventilating pipes 2 are connected through the connecting plate 1 by bolts, when a large amount of ventilation is performed inside the ventilating pipes 2, the sliding long scraper 301 inside the ventilating pipes 2 is blown by wind power, the sliding long scraper 301 is subjected to backward force until the wind power is larger than the magnetic attraction force between the magnetic fixed block A306 outside the sliding short scraper block 305 on the outer wall of the sliding long scraper 301 and the magnetic fixed block B307, so that the magnetic fixed block A306 is separated from the magnetic attraction force between the magnetic fixed block A307 and the magnetic fixed block B307, the sliding short scraper block 305 is separated from the limitation, the sliding long scraper 301 is also separated from the limitation, the sliding long scraper 301 quickly slides to the deep inside of the ventilating pipes 2, and synchronously pulls the rubber elastic ropes 302 to deform and stretch, so that the inner wall of the ventilating pipes 2 is automatically scraped in real time through the sliding of the sliding long scraper 301 during ventilation, wiping oil stains in the ventilation pipe 2, scraping and wiping the oil stains to be adhered to the fixed block 303, performing concentrated collection, and ensuring the cleaning of the inside of the ventilation pipe 2, wherein the magnetic fixed block A306 on the sliding short scraping block 305 on the outer wall of the sliding long scraper 301 which slides out at the moment is magnetically attracted with the magnetic block C309 through magnetic attraction, so that the sliding long scraper 301 is kept static and stable, and when wind power is gradually reduced and gradually stops, the sliding long scraper 301 is not pushed by the wind, the magnetic attraction between the magnetic fixed block A306 and the magnetic block C309 is smaller than the pulling force of the rubber elastic rope 302, so that the rubber elastic rope 302 pulls the sliding long scraper 301 to rapidly slide back, and the inner wall of the ventilation pipe 2 is rapidly slid and scraped once again, and the cleaning effect on the inner wall of the ventilation pipe 2 is further improved through rapid sliding;
when the sliding long scraper 301 is pushed out, the sliding short scraping block 305 on the outer wall of the sliding long scraper 301 can slide on the outer wall of the long sliding groove 308 to ascend, and the outer wall of the vertical fixing block 304 is lifted and slidingly wiped through the sliding short scraping block 305, so that a large amount of residues scraped and adhered on the outer wall of the vertical fixing block 304 are scraped along with the ascending of the sliding short scraping block 305 and slide to the inner wall of the sliding short scraping block 305 to be intensively collected, the cleaning effect on the outer wall of the vertical fixing block 304 is realized, and the problem that the subsequent scraping effect of the vertical fixing block 304 is influenced by scraping the oil stain adhered on the outer wall of the ventilation pipe 2 for a long time is avoided;
and scrape the piece 305 in the slip short time and rise fast in the outer wall of perpendicular fixed block 304, the open-close board 401 of scraping the piece 305 bottom in the slip short time can be because balancing weight 403 self quality is great, the great characteristics of inertia, drive open-close board 401 and compress tightly perpendicular fixed block 304 outer wall, guarantee the scraping effect, and scrape the piece 305 in the slip short time fast in the time that perpendicular fixed block 304 outer wall descends, balancing weight 403 then drives open-close board 401 and pivot 402 and scrape the rotatory open and shut in the slip short time of piece 305 bottom, thereby make open-close board 401 break away from the contact with perpendicular fixed block 304 outer wall, realize scraping the piece 305 when descending in the slip short time, can not scrape the remaining residue of perpendicular fixed block 304 outer wall inside to ventilation pipe 2 along with descending, lead to the secondary pollution to ventilation pipe 2 inside, and avoided the residue that drops to blow out the air quality that influences the environment along with ventilate once more.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a ventilation pipe with anti greasy dirt function, includes ventilation pipe (2), its characterized in that: the outer wall of the ventilation pipe (2) is fixedly connected with a connecting plate (1), and an oil stain cleaning mechanism (3) is arranged inside the ventilation pipe (2);
the oil stain cleaning mechanism (3) comprises a sliding long scraper (301), the outer wall of the sliding long scraper (301) is connected with the inner wall of the ventilation pipe (2) in a sliding mode, the outer wall of the sliding long scraper (301) is fixedly connected with a rubber elastic rope (302), one end of the rubber elastic rope (302) is fixedly connected with the inner wall of the ventilation pipe (2), the outer wall of the sliding long scraper (301) is fixedly connected with a fixed block (303), the outer wall of the sliding long scraper (301) is fixedly connected with a vertical fixed block (304), the outer wall of the vertical fixed block (304) is connected with a sliding short scraper block (305), the outer wall of the sliding short scraper block (305) is connected with a long sliding chute (308) in a sliding mode, the long sliding chute (308) is arranged at the volume ratio of the ventilation pipe (2), the outer wall of the sliding short scraper block (305) is fixedly connected with a magnetic fixed block A (306), the outer wall of the magnetic fixed block A (306) is in contact with a magnetic fixed block B (307), the inner wall of the ventilation pipe (2) is fixedly connected with a magnetic block C (309), and the bottom of the sliding short scraper (305) is provided with an oil stain scraping cleaning and collecting mechanism (4);
greasy dirt scraping clearance is collected mechanism (4) and is included plywood (401), pivot (402) outer wall fixedly connected with balancing weight (403).
2. A ventilating duct with an anti-oil function according to claim 1, characterized in that: greasy dirt scraping, cleaning and collecting mechanism (4) further comprises a rotating shaft (402), the outer wall of rotating shaft (402) is in sliding connection with the outer wall of sliding short scraping block (305) through a long sliding chute, and the outer wall of rotating shaft (402) is fixedly connected with the outer wall of opening-closing plate (401).
3. A ventilation duct with an anti-oil function according to claim 2, characterized in that: the magnetism of one side of the magnetic fixed block A (306) opposite to the magnetic fixed block B (307) is opposite in polarity and is attracted.
4. A ventilating duct with an anti-oil function according to claim 3, characterized in that: the magnetism of one side of the magnetic fixed block A (306) opposite to the magnetic block C (309) is opposite in polarity and is attracted.
5. A ventilating duct with an anti-oil function according to claim 4, characterized in that: the long sliding chute (308) is in an inclined upward shape.
6. A ventilating duct with an oil stain resistance function according to claim 5, characterized in that: the elasticity of the rubber elastic rope (302) is larger than the magnetic attraction force between the magnetic fixed block A (306) and the magnetic block C (309).
7. A ventilating duct with an anti-oil function according to claim 6, characterized in that: the interior of the sliding short scraping block (305) is in a hollow state.
CN202211057756.0A 2022-08-30 2022-08-30 Ventilating duct with oil stain resistance function Active CN115419757B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211057756.0A CN115419757B (en) 2022-08-30 2022-08-30 Ventilating duct with oil stain resistance function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211057756.0A CN115419757B (en) 2022-08-30 2022-08-30 Ventilating duct with oil stain resistance function

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CN115419757A true CN115419757A (en) 2022-12-02
CN115419757B CN115419757B (en) 2023-06-09

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5638844A (en) * 1994-03-17 1997-06-17 Iws, Ag Device for the cleaning of ventilation ducts
CN211011832U (en) * 2019-11-27 2020-07-14 张锦香 Ventilation pipe convenient to clearance
JP3229675U (en) * 2020-09-01 2020-12-17 蘇州百創達環保科技有限公司 Factory dust cleaning duct
CN113546931A (en) * 2021-06-18 2021-10-26 江苏永胜海洋工程有限公司 Cleaning equipment and cleaning method for ventilating pipe of marine central air conditioner
CN113623663A (en) * 2021-06-30 2021-11-09 蔡鹏� Waste incineration power generation device
CN215613848U (en) * 2021-08-31 2022-01-25 陕西春工建设工程有限公司 Conveying water pipe inner wall cleaning device
CN216095339U (en) * 2021-08-20 2022-03-22 重庆鑫裕通机电科技有限公司 Self-cleaning type ventilating duct
CN114789173A (en) * 2022-03-24 2022-07-26 浙江宏电环保股份有限公司 Environment-friendly assembled fire prevention tuber pipe
CN217303147U (en) * 2022-04-12 2022-08-26 维科集团有限公司 Energy-saving ventilating duct structure for refrigeration equipment

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5638844A (en) * 1994-03-17 1997-06-17 Iws, Ag Device for the cleaning of ventilation ducts
CN211011832U (en) * 2019-11-27 2020-07-14 张锦香 Ventilation pipe convenient to clearance
JP3229675U (en) * 2020-09-01 2020-12-17 蘇州百創達環保科技有限公司 Factory dust cleaning duct
CN113546931A (en) * 2021-06-18 2021-10-26 江苏永胜海洋工程有限公司 Cleaning equipment and cleaning method for ventilating pipe of marine central air conditioner
CN113623663A (en) * 2021-06-30 2021-11-09 蔡鹏� Waste incineration power generation device
CN216095339U (en) * 2021-08-20 2022-03-22 重庆鑫裕通机电科技有限公司 Self-cleaning type ventilating duct
CN215613848U (en) * 2021-08-31 2022-01-25 陕西春工建设工程有限公司 Conveying water pipe inner wall cleaning device
CN114789173A (en) * 2022-03-24 2022-07-26 浙江宏电环保股份有限公司 Environment-friendly assembled fire prevention tuber pipe
CN217303147U (en) * 2022-04-12 2022-08-26 维科集团有限公司 Energy-saving ventilating duct structure for refrigeration equipment

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