WO2021036039A1 - Structure de raclage de cendres - Google Patents

Structure de raclage de cendres Download PDF

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Publication number
WO2021036039A1
WO2021036039A1 PCT/CN2019/120423 CN2019120423W WO2021036039A1 WO 2021036039 A1 WO2021036039 A1 WO 2021036039A1 CN 2019120423 W CN2019120423 W CN 2019120423W WO 2021036039 A1 WO2021036039 A1 WO 2021036039A1
Authority
WO
WIPO (PCT)
Prior art keywords
scraping
dust
ash
cylinder
ash scraping
Prior art date
Application number
PCT/CN2019/120423
Other languages
English (en)
Chinese (zh)
Inventor
郭振科
张如
Original Assignee
追创科技(苏州)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 追创科技(苏州)有限公司 filed Critical 追创科技(苏州)有限公司
Publication of WO2021036039A1 publication Critical patent/WO2021036039A1/fr

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Classifications

    • 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/20—Means for cleaning filters

Definitions

  • the invention relates to the field of vacuum cleaners, in particular to a dust scraping structure.
  • Existing vacuum cleaners generally adopt a cyclone separation structure for dust and gas separation.
  • This dust and gas separation structure is easy to accumulate on its filter during the working process, entangle a large amount of dust, cotton wool and other dirt, when it is necessary to clean up these accumulated dirt .
  • the dust cup, filter and other parts need to be disassembled, which is cumbersome and error-prone to assembly. Frequent disassembly and assembly can easily lead to loosening of the cooperation of various parts, reducing the service life and dust removal effect of the vacuum cleaner.
  • the hands of the operator are easily contaminated by a large amount of dirt, and the operating space is also easily polluted by dust.
  • the purpose of the present invention is to provide a dust-scraping structure, which by providing a dust-scraping structure on the filter screen, so that the dust and gas separation structure can be removed without disassembling the dust and gas separation structure.
  • Dirt scraping and cleaning is not only simple and easy to operate, but also the operator and the operating space will not be contaminated, which enhances the easy cleaning of the vacuum cleaner and the cleanliness in the cleaning process, and has a wider market application prospect.
  • a dust scraping structure which includes:
  • Dust collecting tube which is hollow inside and open at its ends to form air inlet ports and mating ports at both ends;
  • An ash scraping cylinder which is hollow inside and one end of which is internally connected to the mating port of the dust collecting cylinder;
  • the suction tube is hollow and detachably connected to the mating port of the dust collecting tube,
  • the ash scraping tube when the suction tube is connected to the mating port of the dust collecting tube, the ash scraping tube is coaxially nested in the air suction tube; the ash scraping tube is connected to the dust collecting tube. There is a scraping ring fixedly connected to the joint.
  • the soot scraping ring is combined with the soot scraping barrel at the end of the soot scraping barrel and extends from the outer periphery of the soot scraping barrel toward the inside of the dust collecting barrel, so that the The diameter of the ash scraping ring gradually decreases in the direction of its extension.
  • an inner support ring is formed on the fixed connection between the ash scraper ring and the ash scraper cylinder, which is closely attached to the inner root of the ash scraper ring.
  • an outer support ring is formed close to the outer root of the ash scraping ring.
  • the outer side wall of the ash scraping tube is slidingly connected to the inner side wall of the suction tube.
  • a guiding structure is further provided between the ash scraping cylinder and the suction cylinder, and the guiding structure is used to guide the relative movement between the ash scraping cylinder and the suction cylinder to proceed smoothly.
  • the guiding structure includes:
  • a guide path which is provided on the outer side wall of the ash scraper tube or the inner side wall of the suction tube;
  • the guide terminal is arranged on the inner side wall of the suction tube or the outer side wall of the dust scraping tube,
  • the guide terminal is kept mated with the guide path.
  • the guide path includes:
  • a guide section the extension direction of which is parallel to the axis of the ash scraping cylinder or the axis of the suction cylinder;
  • An unlocking section one end of which is in communication with one end of the guide section;
  • the lead-in section one end of which is connected to the other end of the unlocking section
  • the extension direction of the introduction section is consistent with the extension direction of the guide section, and the unlocking section is perpendicular to the introduction section or the guide section.
  • the present invention has the beneficial effect that by providing a dust scraping structure on the filter screen, the dust and gas separation structure can be scraped and cleaned without disassembling the dust and gas separation structure, which is not only simple It is easy to operate, and the operator and the operating space will not be contaminated, which enhances the easy cleaning of the vacuum cleaner and the cleanliness in the cleaning process, and has a wider market application prospect.
  • Fig. 1 is a perspective view of a handy vacuum cleaner according to an embodiment of the present invention
  • Figure 2 is an exploded view of a handy vacuum cleaner according to an embodiment of the present invention.
  • Fig. 3 is an exploded view of the dust scraping structure proposed according to an embodiment of the present invention.
  • Figure 4 is a longitudinal sectional view of a handy vacuum cleaner according to an embodiment of the present invention.
  • Figure 5 is a longitudinal sectional view of a handy vacuum cleaner in a perspective view according to an embodiment of the present invention.
  • Figure 6 is a longitudinal cross-sectional view of the dust scraping structure proposed according to an embodiment of the present invention.
  • Figure 7 is a longitudinal cross-sectional view of a dust scraping structure according to another embodiment of the present invention.
  • Fig. 8 is a longitudinal sectional view of a suction tube in the dust scraping structure proposed according to an embodiment of the present invention.
  • Fig. 9 is a front view of a guide path in the dust scraping structure proposed according to an embodiment of the present invention.
  • connection refers to the relationship in which these structures are directly or indirectly fixed or attached to each other through intermediate structures, and the movable or rigid attachment or relationship, unless Other ways are clearly stated.
  • the dust scraping structure includes:
  • the dust collecting cylinder 11 is hollow inside and opened at its ends to form an air inlet port 111 and a mating port 112 at both ends thereof;
  • the dust scraping cylinder 14 is hollow inside and one end is internally connected to the mating port 112 of the dust collecting cylinder 11;
  • the suction tube 15 is hollow and detachably connected to the mating port 112 of the dust collecting tube 11,
  • the soot scraping ring 141 is combined with the soot scraping barrel 14 at the end of the soot scraping barrel 14 and extends from the outer periphery of the soot scraping barrel 14 toward the inside of the dust collecting barrel 11 so that The diameter of the ash scraping ring 141 gradually decreases in its extending direction.
  • a suitable material for the ash scraper 141 is any suitable elastic and wear-resistant material, such as neoprene, nitrile rubber, silica gel, and the like.
  • the reinforcement structure of the ash scraping ring 141 is shown in more detail.
  • the ash scraper ring 141 is fixedly connected to the ash scraper cylinder 14 to form an inner support ring 142 tightly attached to the inner root of the ash scraper ring 141.
  • an outer support ring 116 is formed at the junction of the dust collecting cylinder 11 and the dust scraping cylinder 14 to closely contact the outer root of the dust scraping ring 141.
  • the roots of the dust scraping ring 141 are clamped between the inner support ring 142 and the outer support ring 116, which can increase the stability of the dust scraping ring 141 and prevent it from scraping. 141 bends or even breaks during the ash removal process, which improves the durability of the ash scraper 141.
  • the ash scraping ring 141 is fixed without additional attachments (such as screws, bolts, etc.), which reduces the number of parts of the ash scraping structure as a whole, and at the same time reduces the total weight and assembly complexity.
  • a guiding structure for guiding the movement path of the ash scraping drum 14 is also provided between the ash scraping drum 14 and the suction drum 15.
  • the guiding structure includes:
  • the guide path 154 is provided on the outer side wall of the ash scraping cylinder 14 or the inner side wall of the suction cylinder 15;
  • the guide terminal 142 is arranged on the inner side wall of the suction tube 15 or the outer side wall of the dust scraping tube 14,
  • the guide path 154 includes:
  • the guide section 1541 extends in parallel with the axis of the ash scraping cylinder 14 or the axis of the suction cylinder 15;
  • One end of the unlocking section 1542 is communicated with one end of the guide section 1541;
  • the lead-in section 1543 one end of which is connected to the other end of the unlocking section 1542,
  • the extension direction of the introduction section 1543 is consistent with the extension direction of the guide section 1541, and the unlocking section 1542 is perpendicular to the introduction section 1543 or the guide section 1541.
  • the guide terminal 142 is provided on the outer side wall of the end of the ash scraper 14 and three equidistantly arranged in the circumferential direction of the ash scraper 14; the guide path 154 is in the exhaust pipe
  • the inner side wall of 15 is provided with three equidistant circumferentially, and the introduction section 1543 leads to the outside of the suction cylinder 15 along its extension direction and is opposite to the mating port 112.
  • the handy vacuum cleaner includes:
  • the housing 1 is hollow inside;
  • the filter assembly 3 provided in the housing 1,
  • the housing 1 includes the dust scraping structure described in any one of the above embodiments.
  • the housing 1 includes:
  • the dust cover 12 is rotatably connected to the air inlet port 111 of the dust collecting cylinder 11 to open and close the air inlet port 111;
  • the suction tube 15 is hollow and detachably connected to the mating port 112 of the dust collecting tube 11;
  • the holding tube 16 is opposite to the other end of the suction tube 15,
  • the ash blocking cover 12 is provided with a suction opening 123 for air extraction.
  • the suction tube 15 is connected to the mating port 112 of the dust collecting tube 11, the ash scraping tube 14 is coaxially nested in The suction tube 15 is in.
  • the dust stop cover 12 is rotatably connected to the hinge portion 114 on the air inlet port 111 through the connecting portion 121 thereon, wherein the dust stop cover 12 is provided with an opening opposite to the connecting portion 121 ⁇ 122 ⁇ The card slot 122.
  • the filter assembly 3 includes an air duct 31, a coarse filter 32 and a fixed cylinder 33 that are connected in sequence along the flow direction of the airflow.
  • the air guide pipe 31 and the coarse filter 32 are arranged in the dust collecting tube 11 and spaced apart from the inner side wall of the dust collecting tube 11, and the air guide tube 31 and the air suction opening 123 are in sealed butt connection,
  • the fixed cylinder 33 protrudes from the mating port 112 and extends into the ash scraping cylinder 14, and the outer side wall of the fixed cylinder 33 is in contact with the inner side wall of the ash scraping cylinder 14.
  • a fine filter screen 34 is provided in the fixed cylinder 33.
  • the air filtered by the coarse filter 32 will flow through the fine filter 34 and be filtered again by the fine filter 34 to improve the cleanliness of the air.
  • the fine filter 34 is a filtered sea Pa.
  • the dust scraping ring 141 is shrunk at its end to form a ring-shaped and unclosed dust scraping port 1411, and the dust scraping ring 141 is slidably sleeved on the coarse filter screen 32 through the dust scraping port 1411.
  • the dust scraping ring 141 maintains elastic contact with the outer side wall of the coarse filter 32 at its dust scraping opening 1411.
  • the dust scraping ring 141 is located in the transition section between the coarse filter 32 and the fixed cylinder 33, and the dust scraping port 1411 is not blocked
  • the filter port of the coarse filter 32 will not affect the cyclone dust and gas separation operation of the coarse filter; when removing ash, the dust scraping cylinder 14 is driven by pushing the dust collecting cylinder 11 to drive the dust scraping ring 141 along the line of the coarse filter 32
  • the outer surface moves in a straight line, so that the dust scraping ring 141 is wedged into the dirt layer on the coarse filter 32.
  • the dust scraping ring 141 continues to move, and then the dirt on the coarse filter 32 is continuously scraped. The above is repeated many times.
  • Dust removal action until the dirt on the coarse filter 32 is cleaned up, and the cleaned dirt is collected in the dust collecting cylinder 11. After cleaning, open the ash blocking cover 12 and hang it down. The dust is poured out through the air inlet port 111 for cleaning, and then the dust blocking cover 12 is covered after the cleaning is completed.
  • the dust removal process can realize the scraping and cleaning of the dirt accumulated on the filter without dismantling the dust and gas separation structure. It is not only simple and easy to operate, but also the operator and the operating space will not be polluted, which enhances the easy cleaning of the vacuum cleaner and Cleanliness during cleaning.
  • the ash scraper ring 141 is made of an elastic material, so that the ash scraper ring 141 can always maintain close contact with the coarse filter 32 during the dust scraping process, thereby improving the scraping efficiency.
  • FIG. 2 there is shown a two-way locking structure provided on the outer side wall of the dust collecting cylinder 11, and the two-way locking structure includes:
  • a locking guide groove 113 which is opened on the outer side wall of the dust collection tube 11 and extends along the length direction of the dust collection tube 11;
  • the lock tongue 115 can rotate relative to the locking guide groove 113 to switch between an unlocked state and a locked state;
  • the lock tongue 115 includes a lock tongue body 1151 and a lock tongue buckle portion 1154.
  • the lock tongue buckle portion 1154 is located outside the locking guide groove 113; when the lock tongue 115 is in the locked state, the lock tongue buckle portion 1154 is connected to the dust cover 12 or the ventilation
  • the cylinder 15 is buckled to prevent the dust cover 12 from opening the air inlet port 111 or prevent the dust collecting cylinder 11 from being separated from the suction cylinder 15.
  • each group of the lock tongue 115 is elastically connected with a resetting member 1153, the resetting member 1153 is provided in the locking guide groove 113 and acts on the lock tongue 115, and the resetting member 1153 can generate Resiliently deformed, the reset member 1153 is used to make the lock tongue 115 rotate in the locking direction to reset from the unlocked state to the locked state.
  • the locking guide groove 113 is provided with two sets of lock bases 1131 corresponding to the bolt 115, and a rotating shaft 1152 is formed near the middle section of the bolt body 1151, and the bolt body 1151 passes through The rotating shaft 1152 is rotatably connected with the lock base 1131.
  • the reset component 1153 adopts a reset spring, which elastically abuts between the bottom wall of the locking guide groove 113 and the bolt body 1151, wherein the reset component 1153 is buckled with respect to the bolt
  • the parts 1154 are arranged oppositely.
  • the latch buckle portion 1154 of a set of latches 115 is buckled with the suction cylinder 15.
  • the latch buckle portion A storage cover 155 that allows the lock tongue buckle portion 1154 to enter and exit is covered at the buckling joint between 1154 and the suction tube 15.
  • the two-way locking structure includes an unlocking component that acts on the bolt body 1151 to make the bolt 115 rotate in the unlocking direction to switch from the locked state to the In the unlocked state, the unlocking direction is opposite to the locking direction.
  • the unlocking component includes:
  • a protective cover 13 which is arranged on the locking guide groove 113 to cover the bolt body 1151;
  • the unlocking block 131 is slidably embedded in the protective cover 13,
  • the unlocking block 131 acts on the bolt body 1151 to make the bolt 115 rotate in the unlocking direction to switch from the locked state to the unlocked state.
  • the unlocking block 131 acts on the respective bolt bodies 1151 of the two bolts 115 at the same time, so that the two bolts 115 rotate in the unlocking direction to simultaneously unlock the dust cover 12 and the suction tube 15.
  • the ash scraping operation can be performed in the unlocked state.
  • the ash blocking cover 12 is reset and the suction cylinder 15 and the dust collecting cylinder 11 are docked again, and the pressed unlocking block 131 is released, so that The two lock tongues 115 rotate along the locking direction to simultaneously lock the dust cover 12 and the suction tube 15 so that the dust removal operation can be continued.
  • the suction tube 15 is provided with a fine filter chamber 151 and a vacuum generating chamber 152 that are sequentially connected along the flow direction of the airflow, and the ash scraping tube 14 selectively enters and exits the fine filter chamber 151,
  • a vacuum generator 21 is provided in the vacuum generating chamber 152.
  • the holding cylinder 16 is provided with a battery 22
  • the suction cylinder 15 is provided with a connecting chamber 153 opposite to the holding cylinder 16, and the electrode end of the battery 22 is inserted into the connecting chamber 153. It is electrically connected to the vacuum generator 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Cleaning In General (AREA)

Abstract

La présente invention concerne une structure de raclage de cendres, comprenant un tambour de collecte de poussière (11), dont l'intérieur est creux et ayant des extrémités ouvertes pour former un orifice d'entrée d'air (111) et un orifice d'insertion (112) au niveau de ses deux extrémités ; un tambour de raclage de cendres (14), dont l'intérieur est creux et dont une extrémité est reliée à l'intérieur à l'orifice d'insertion (112) du tambour de collecte de poussière (11) ; et un tambour de tirage d'air (15), dont l'intérieur est creux et venant en butée séparément contre l'orifice d'insertion (112) du tambour de collecte de poussière (11), lorsque le tambour de tirage d'air (15) est en butée contre l'orifice d'insertion (112) du tambour de collecte de poussière (11), le tambour de raclage de cendres (14) étant intégré coaxialement dans le tambour de tirage d'air (15) et un anneau de raclage de cendres (141) étant relié à demeure au tambour de raclage de cendres (14) relié au tambour de collecte de poussière (11). La structure de raclage de cendres disposée sur un tamis où sont accumulées les salissures, ce qui permet de les racler et de nettoyer sans démonter une structure de séparation poussière-air, la structure de raclage de cendres est simple et facile à utiliser et garantit l'absence de pollution pour l'opérateur et l'espace de fonctionnement, améliore la propreté d'un collecteur de poussière et augmente la classe de propreté dans le processus de nettoyage et la structure de raclage de cendres offre de larges perspectives d'application sur le marché.
PCT/CN2019/120423 2019-08-30 2019-11-22 Structure de raclage de cendres WO2021036039A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910816193.0 2019-08-30
CN201910816193.0A CN110537873A (zh) 2019-08-30 2019-08-30 一种刮灰结构

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WO2021036039A1 true WO2021036039A1 (fr) 2021-03-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4091512A1 (fr) * 2021-05-20 2022-11-23 Beijing Shunzao Technology Co., Ltd. Dispositif de raclage de poussière et appareil de nettoyage

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GB2591797B (en) * 2020-02-07 2022-04-06 Dyson Technology Ltd A vacuum cleaning appliance
KR20220154173A (ko) * 2020-05-07 2022-11-21 드림 이노베이션 테크놀로지 (쑤저우) 컴퍼니 리미티드 휴대용 진공 청소기
CN112021994B (zh) * 2020-09-14 2021-11-05 宁波久昌电器有限公司 一种吸尘器用尘杯
CN112647877B (zh) * 2020-12-25 2022-09-16 重庆市能源投资集团科技有限责任公司 一种松软煤层分支钻孔下管引导装置与高效抽采方法
CN112568782B (zh) * 2020-12-28 2022-05-20 追觅创新科技(苏州)有限公司 一种双效刮灰的清洁装置及刮灰方法
CN113057523B (zh) * 2021-03-31 2022-08-19 北京小狗吸尘器集团股份有限公司 一种除尘集尘杯及吸尘设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4091512A1 (fr) * 2021-05-20 2022-11-23 Beijing Shunzao Technology Co., Ltd. Dispositif de raclage de poussière et appareil de nettoyage
US11717122B2 (en) 2021-05-20 2023-08-08 Beijing Shunzao Technology Co., Ltd. Dust scraping device and cleaning apparatus

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