WO2022000841A1 - Aspirateur - Google Patents

Aspirateur Download PDF

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Publication number
WO2022000841A1
WO2022000841A1 PCT/CN2020/118882 CN2020118882W WO2022000841A1 WO 2022000841 A1 WO2022000841 A1 WO 2022000841A1 CN 2020118882 W CN2020118882 W CN 2020118882W WO 2022000841 A1 WO2022000841 A1 WO 2022000841A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor cover
vacuum cleaner
sealing structure
filter
shielding structure
Prior art date
Application number
PCT/CN2020/118882
Other languages
English (en)
Chinese (zh)
Inventor
刘海平
贺伟伟
胡进
Original Assignee
天佑电器（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 天佑电器（苏州）有限公司 filed Critical 天佑电器（苏州）有限公司
Publication of WO2022000841A1 publication Critical patent/WO2022000841A1/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
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action

Definitions

  • the utility model relates to the technical field of cleaning tools, in particular to a vacuum cleaner.
  • Vacuum cleaners are a common cleaning tool in modern daily life, and are widely used in homes, factories, shopping malls and other places.
  • the vacuum cleaner sucks the dust-laden airflow from the suction port through the high-speed rotation of the motor. After the dust-laden airflow is filtered by the filter element, most of the dust and toner will fall into the dust box, but a small amount of dust and toner will continue to remain in the airflow. In this way, on the one hand, it affects the cleaning efficiency of the vacuum cleaner; on the other hand, it reduces the indoor air quality and affects the user experience.
  • the vacuum cleaner is provided with an additional filter at the air outlet of the motor cavity to further filter the dust-laden airflow, and a sealing ring is used to seal the filter and the air outlet.
  • the above-mentioned method for further filtering the dust-laden airflow has the following problems: after the dust-laden airflow passes through the motor cavity, the temperature is relatively high. Therefore, when the dust-laden airflow contacts the sealing ring, the aging of the sealing ring will be accelerated and shortened. The life of the sealing ring will affect the filtering effect of the filter.
  • an embodiment of the present invention provides a vacuum cleaner, comprising: a motor; The air inlet enters the motor cover, and leaves the motor cover through the air outlet; a filter, the filter is arranged outside the air outlet, and the filter includes a bracket and a filter installed on the bracket a sealing structure, the sealing structure is arranged between the bracket and the motor cover; the vacuum cleaner further includes a shielding structure, and the shielding structure is arranged between the air outlet and the sealing structure.
  • the shielding structure is disposed on the motor cover, and part of the sealing structure is in contact with the shielding structure.
  • the motor cover includes an inner surface and an outer surface corresponding to the inner surface, the inner surface faces the motor, and the shielding structure is disposed on the outer surface.
  • the sealing structure includes a body and a lip extending from the body, and the lip is in contact with the outer surface and the shielding structure at the same time.
  • the shielding structure is configured as an annular rib, the shielding structure includes a first surface and a second surface corresponding to the first surface, the first surface is in contact with the lip, and the second surface is in contact with the lip. The surface faces the air outlet.
  • the shielding structure further includes a side surface, the side surface connects the second surface and the first surface, and the included angle between the side surface and the second surface is an acute angle.
  • the shielding structure further includes a side surface, the side surface connects the second surface and the first surface, and the connection between the first surface and the side surface is separated from the end of the lip by a preset distance .
  • the bracket is connected with the motor cover and defines a receiving cavity
  • the sealing structure is configured as a lip-shaped sealing ring
  • the lip-shaped sealing ring is accommodated in the receiving cavity
  • the shielding structure and the bracket define an opening of the accommodating cavity, and the airflow leaving the motor cover from the air outlet enters the accommodating cavity through the opening and impacts the lip seal ring. .
  • sealing structure is disposed on the filter, and the sealing structure and the bracket are integrally formed.
  • the vacuum cleaner of the utility model is provided with a shielding structure between the air outlet of the motor cover and the sealing structure, so that the high-temperature air flow discharged from the air outlet of the motor cover will not directly contact the sealing structure, thereby preventing the sealing structure from being affected by the high-temperature air flow And aging, prolong the service life of the sealing structure.
  • the shielding structure is arranged on the motor cover, and the sealing structure includes a main body and a lip extending from the main body, and the lip is in contact with the outer surface of the motor cover and the shielding structure at the same time, so that the airflow cannot pass between the shielding structure and the sealing structure.
  • the gap flows out of the vacuum cleaner, improving the sealing between the filter and the motor cover.
  • the shielding structure is configured as an annular rib
  • the shielding structure includes a first surface and a second surface corresponding to the first surface, the first surface is in contact with the lip, the second surface faces the air outlet
  • the shielding structure also includes a side surface. , the side is connected to the second surface and the first surface, and the angle between the side and the second surface is an acute angle, so that the air flow out of the air outlet of the motor cover will flow along the side and impact the lip, so that the lip and the first A surface and the outer surface of the motor cover are more closely attached, which further improves the sealing between the filter and the motor cover.
  • sealing structure is disposed on the filter, and the sealing structure and the bracket are integrally formed, so that the sealing structure does not need to be clamped between the motor cover and the filter, and the structural stability of the vacuum cleaner is improved.
  • FIG. 1 is a schematic diagram of the overall structure of the vacuum cleaner in the embodiment of the present utility model
  • Figure 2 is a schematic cross-sectional view of the vacuum cleaner in the assembled state in the embodiment of the present invention.
  • Fig. 3 is a partial enlarged view of part A in Fig. 2;
  • FIG. 4 is a cross-sectional schematic view of the vacuum cleaner in the working state in the embodiment of the present invention.
  • Fig. 5 is a partial enlarged view of part B in Fig. 4;
  • FIG. 6 is a schematic structural diagram of a motor cover of a vacuum cleaner in an embodiment of the present invention.
  • Fig. 7 is a partial enlarged view of part C in Fig. 6;
  • FIG. 8 is a schematic structural diagram of a filter of a vacuum cleaner in an embodiment of the present invention.
  • the present invention provides a vacuum cleaner, wherein the vacuum cleaner is a vertical vacuum cleaner in this embodiment, and a user can push the vertical vacuum cleaner to move to perform operations.
  • the vacuum cleaner may also be other types of vacuum cleaners, such as a hand-held vacuum cleaner, and is not limited to only an upright vacuum cleaner.
  • the vacuum cleaner includes a floor brush 1 , a base 2 , a main body 3 and a handle 4 .
  • the main body 3 is detachably mounted on the base 2, so that when the main body 3 is connected to the base 2, the user can use the floor brush 1 to completely clean the floor of the home, with high cleaning efficiency ; If the user only needs to clean a small area or an area that is not suitable for the floor brush 1 to work, the user can remove the main body 3 from the base 2 and hold the main body 3 to perform cleaning operations, thereby The user can select an appropriate cleaning method according to the specific situation, and clean the family room more quickly, which improves the user experience.
  • the handle 4 is connected to the base 2 through a conduit 6, so that the user can carry the vacuum cleaner through the handle 4 for cleaning operations, which is more convenient for cleaning operations.
  • the main body 3 includes at least a first working state and a second working state. When the main body 3 is in the first working state, the main body 3 is installed on the base 2 , The floor brush 1 and the main body 3 work together. After the dust-laden air enters the base 2 from the floor brush 1, it enters the main body 3 through the hose 5, so that the user can quickly pass the floor brush 1.
  • the main body 3 Carry out the cleaning operation; when the main body 3 is in the second state, the main body 3 is separated from the base 2 , and the dust-laden airflow enters the main body 3 directly from the suction port (not shown) of the main body 3 , In this way, the user can remove the main body 3 from the base 2 and carry the main body 3 for cleaning operations as required.
  • the main body 3 also includes a third working state, and the handle 4 is connected with a suction nozzle (not shown). When the main body 3 is in the third working state, The user can perform the cleaning operation through the suction nozzle and the floor brush 1 at the same time, so that the cleaning efficiency is higher.
  • the main body 3 also includes a dust collecting bucket 31 and a power component in fluid communication with the dust collecting bucket 31 .
  • the suction port (not shown) is disposed in the dust collecting bucket 31, and the power assembly at least includes a motor 32 and an impeller (not shown) connected to the motor 32, and the motor 32 can drive the The impeller rotates and generates a suction force, so that a negative pressure is formed in the dust collecting bucket 31 , so that the dust-laden airflow can enter the dust collecting bucket 31 through the suction port.
  • the dust collecting bucket 31 is also provided with a filter assembly 33 , the filter assembly 33 is preferably a cyclone filter device, the dust-laden airflow is filtered through the filter assembly 33 , and part of the dust falls into the dust collecting bucket 31 Inside.
  • the vacuum cleaner further includes a motor cover 34, the motor 32 is accommodated in the motor cover 34, the motor cover 34 includes an air inlet 341 and an air outlet 342, and the dust-laden airflow filtered by the filter element 33 is discharged from the air inlet.
  • the tuyere 341 enters the motor cover 34 .
  • the power assembly further includes a fixed impeller (not shown), the fixed impeller defines the flow direction of the dust-laden airflow, so that the dust-laden airflow leaves the air outlet 342 The motor cover 34 .
  • the vacuum cleaner further includes a filter 35, and the filter 35 is arranged outside the air outlet 342. After the dust-laden airflow leaves the motor cover 34 through the air outlet 342, it is further filtered through the filter 35, so that the dust content of the gas discharged from the vacuum cleaner is small, and the user experience is improved.
  • the filter 35 includes a bracket 351 and a filter body 352 mounted on the bracket 351 .
  • the filter body 352 and the bracket 351 are integrally formed, and the filter body 351 is preferably Hypa, through which the dust-laden airflow is further filtered.
  • the filter body 352 may also be other components with filtering functions such as filter paper. It should also be noted that, in other embodiments, the filter body 352 may also be detachably connected to the bracket 351, and the user can replace the filter body 352 as required, which improves the user experience.
  • the vacuum cleaner also includes a sealing structure 8 , which is disposed between the bracket 351 and the motor cover 34 , through the sealing structure 8 , the air outlet 342 leaves the motor cover 34 .
  • the dust airflow will not leave the vacuum cleaner through the gap between the bracket 351 and the motor cover 34, thereby preventing the dust-laden airflow from being discharged into the air without being further filtered.
  • the sealing structure 8 is disposed on the filter 35 , and the sealing structure 8 is integrally formed with the bracket 351 , so that the sealing structure 8 does not need to be clamped on the filter 35 . Between the motor cover 34 and the filter 35, the structural stability of the vacuum cleaner is improved.
  • the sealing structure 8 may also be a separate part, and is not limited to being integrally formed with the bracket 351 .
  • the sealing structure 8 is configured as a lip seal ring , the lip-shaped sealing ring is clamped between the filter 35 and the motor cover 34, so as to prevent the dust-laden airflow from being discharged into the air without further filtering.
  • the vacuum cleaner further includes a shielding structure 9, and the shielding structure 9 is disposed between the air outlet 342 and the sealing structure 8, so that the high-temperature air flow discharged from the air outlet 342 of the motor cover 34 is prevented. It will be in direct contact with the sealing structure 8 , thereby avoiding the aging of the sealing structure 8 due to the influence of high temperature airflow, and prolonging the service life of the sealing structure 8 .
  • the shielding structure 9 is disposed on the motor cover 34 , and the motor cover 34 includes an inner surface 343 and an outer surface 344 corresponding to the inner surface 343 , and the inner surface 343 faces the motor 32 .
  • the shielding structure 9 is disposed on the outer surface 344.
  • the shielding structure 9 is integrally formed with the motor cover 34, so that the vacuum cleaner does not need to design the installation of the shielding structure 9.
  • the device simplifies the structure and improves the structural stability of the vacuum cleaner.
  • the shielding structure 9 is configured as an annular rib, and the shielding structure 9 includes a first surface 91 and a second surface 92 corresponding to the first surface 91 , and the second surface 92 faces the air outlet 342 , the sealing structure 8 is located above the first surface 91 , so that the high-temperature airflow discharged from the air outlet 342 of the motor cover 34 will contact the second surface 92 instead of directly contacting the second surface 92 .
  • the sealing structure 8 is in contact, so as to avoid the aging of the sealing structure 8 due to the influence of high temperature airflow. It should be noted that the integral molding of the shielding structure 9 and the motor cover 34 is only a preferred embodiment. The space between the air outlet 342 and the sealing structure 8 is sufficient.
  • the sealing structure 8 includes a body 81 and a lip 82 extending from the body 81 , and the lip 82 is in contact with the outer surface 344 of the motor cover 34 and the shielding structure 9 at the same time, In this way, the airflow cannot flow out of the vacuum cleaner through the gap between the shielding structure 9 and the sealing structure 8 , which further improves the sealing performance between the filter 35 and the motor cover 34 .
  • the bracket 351 is connected with the motor cover 34 and defines a receiving cavity 7 , and the sealing structure 8 is received in the receiving cavity 7 .
  • the shielding structure 9 and the bracket 352 define the opening 71 of the accommodating cavity 7 , and the airflow leaving the motor cover 34 from the air outlet 342 enters the accommodating cavity 7 through the opening 71 , and hits the accommodating cavity 7 .
  • the sealing structure 8 is formed so that the lip 82 is in contact with the first surface 91 of the shielding structure 9 , which improves the sealing performance between the filter 35 and the motor cover 34 .
  • the shielding structure 9 further includes a side surface 93, the side surface 93 is connected to the first surface 91 and the second surface 92, the first surface 91 is in contact with the lip 82, and the side surface 93 is in contact with the lip 82.
  • the included angle between 93 and the second surface 92 is an acute angle, so that the air flow out of the air outlet 342 of the motor cover 34 will flow along the side 93 and impact the lip 82 of the sealing structure 8 , so that the lip 82 is more closely fitted with the first surface 91 and the outer surface 344 of the motor cover 34 , and airflow cannot flow out from the gap between the shielding structure 9 and the lip 82
  • the vacuum cleaner improves the sealing between the filter 35 and the motor cover 34 .
  • the connection between the first surface 91 and the side surface 93 is separated from the end 821 of the lip 82 by a predetermined distance, so that when the filter 35 is connected to the When the motor covers 34 are close to each other, although the lip 82 is close to the connection between the first surface 91 and the side surface 93, it can still keep in contact with the first surface 91, and the airflow cannot be driven by the first surface 91.
  • the gap between the surface 91 and the lip 82 flows out of the vacuum cleaner, thereby improving the tightness between the filter 35 and the motor cover 34 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Suction Cleaners (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Abstract

L'invention concerne un aspirateur, comprenant : un moteur électrique (32) ; un couvercle de moteur électrique (34), le moteur électrique (32) étant logé dans le couvercle de moteur électrique (34), le couvercle de moteur électrique (34) comprenant une entrée d'air (341) et une sortie d'air (342), et un flux d'air entrant dans le couvercle de moteur électrique (34) par le biais de l'entrée d'air (341) et quittant le couvercle de moteur électrique (34) par le biais de la sortie d'air (342) ; un filtre (35), le filtre (35) étant disposé à l'extérieur de la sortie d'air (342), et le filtre (35) comprenant un support (351) et un corps de filtre (352) monté sur le support (351) ; et une structure d'étanchéité (8), la structure d'étanchéité (8) étant disposée entre le support (351) et le couvercle de moteur électrique (34). L'aspirateur comprend en outre une structure de protection (9), la structure de protection (9) étant disposée entre la sortie d'air (342) et la structure d'étanchéité (8). Un flux d'air à haute température évacué par la sortie d'air (342) du couvercle du moteur électrique (34) n'est pas en contact direct avec la structure d'étanchéité (8), de telle sorte que le vieillissement de la structure d'étanchéité (8) par l'influence du flux d'air à haute température est prévenu, et la durée de vie de la structure d'étanchéité (8) est prolongée.
PCT/CN2020/118882 2020-06-29 2020-09-29 Aspirateur WO2022000841A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202021229622.9U CN213189351U (zh) 2020-06-29 2020-06-29 吸尘器
CN202021229622.9 2020-06-29

Publications (1)

Publication Number Publication Date
WO2022000841A1 true WO2022000841A1 (fr) 2022-01-06

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PCT/CN2020/118882 WO2022000841A1 (fr) 2020-06-29 2020-09-29 Aspirateur

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WO (1) WO2022000841A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0636337A1 (fr) * 1993-07-27 1995-02-01 AEG Hausgeräte GmbH Filtre pour aspirateur
DE10019260A1 (de) * 2000-04-19 2001-10-25 Vorwerk Co Interholding Kommutatormotor
CN103932636A (zh) * 2014-05-12 2014-07-23 苏州市春菊电器有限公司 具有新型出风口结构的吸尘器
CN105361812B (zh) * 2015-10-13 2017-07-18 宁波海际电器有限公司 一种吸尘器结构
CN206586888U (zh) * 2016-08-31 2017-10-27 苏州邦威电器有限公司 一种吸尘器的电机罩与出风板一体式风道密封结构
CN210520895U (zh) * 2019-07-15 2020-05-15 江苏美的清洁电器股份有限公司 用于吸尘器的电机组件和吸尘器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0636337A1 (fr) * 1993-07-27 1995-02-01 AEG Hausgeräte GmbH Filtre pour aspirateur
DE10019260A1 (de) * 2000-04-19 2001-10-25 Vorwerk Co Interholding Kommutatormotor
CN103932636A (zh) * 2014-05-12 2014-07-23 苏州市春菊电器有限公司 具有新型出风口结构的吸尘器
CN105361812B (zh) * 2015-10-13 2017-07-18 宁波海际电器有限公司 一种吸尘器结构
CN206586888U (zh) * 2016-08-31 2017-10-27 苏州邦威电器有限公司 一种吸尘器的电机罩与出风板一体式风道密封结构
CN210520895U (zh) * 2019-07-15 2020-05-15 江苏美的清洁电器股份有限公司 用于吸尘器的电机组件和吸尘器

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