WO2022262195A1 - 一种用于吸尘器尘杯的分离结构 - Google Patents

一种用于吸尘器尘杯的分离结构 Download PDF

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Publication number
WO2022262195A1
WO2022262195A1 PCT/CN2021/132318 CN2021132318W WO2022262195A1 WO 2022262195 A1 WO2022262195 A1 WO 2022262195A1 CN 2021132318 W CN2021132318 W CN 2021132318W WO 2022262195 A1 WO2022262195 A1 WO 2022262195A1
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Prior art keywords
dust
dust cup
vacuum cleaner
separation structure
cylinder
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PCT/CN2021/132318
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English (en)
French (fr)
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陆彭飞
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深圳市小摩科技有限公司
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Application filed by 深圳市小摩科技有限公司 filed Critical 深圳市小摩科技有限公司
Priority to JP2022502609A priority Critical patent/JP2023534564A/ja
Priority to EP21830310.5A priority patent/EP4356803A1/en
Priority to US17/566,627 priority patent/US20220400919A1/en
Publication of WO2022262195A1 publication Critical patent/WO2022262195A1/zh

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    • 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 vacuum cleaner equipment, in particular to a separation structure for a dust cup of a vacuum cleaner.
  • Vacuum cleaners currently on the market generally include single-cone single-stage cyclone filter structures and multi-cone multi-stage cyclone filter structures in order to facilitate cleaning.
  • the single-cone single-stage cyclone filter structure refers to a single-stage cyclone separation structure, which realizes one-time separation of the airflow of the impurities to be separated;
  • the multi-cone multi-stage cyclone filter structure refers to a cyclone separation structure with two or more stages.
  • the direction in which the airflow exits from the air outlet of the first-level cyclone separation structure is basically consistent with the direction of entering the second-level cyclone separation structure.
  • the cross-sectional area of the air outlet of the first-level cyclone separation structure is generally larger than that of the air inlet of the second-level cyclone separation structure. area, so that the airflow entering the secondary cyclone separation structure will continue to rise, improving the effect of the secondary cyclone separation.
  • the small-sized vacuum cleaners on the market usually use a single-cone single-stage cyclone filter structure, and the cyclone separation efficiency of the single-cone single-stage cyclone filter structure is relatively low, and it is difficult to achieve an effective dust separation and filtration effect; while the multi-cone and multi-stage cyclone
  • the structure of the filter structure is complex and takes up a large space, so it cannot adapt to the development direction of the vacuum cleaner product being light, thin and short. Therefore, the single-cone single-stage cyclone filter structure and the multi-cone multi-stage cyclone filter structure on the market today have unavoidable shortcomings, which affect user experience and cleaning efficiency.
  • the utility model proposes a separation structure for the dust cup of the vacuum cleaner.
  • the utility model proposes a separation structure for the dust cup of the vacuum cleaner.
  • the separation structure for the dust cup of the vacuum cleaner includes a cyclone separation device, and the cyclone separation device is provided with a connecting ring, a blade arc plate, a flat plate, a conical cylinder, straight cylinder, the top of the circular arc plate of the blade is fixedly connected with the connecting ring, the bottom of the circular arc plate of the blade is fixedly connected with the flat plate, and the flat plate is fixedly installed on the big end of the tapered cylinder,
  • the gap between the connecting ring, the blade circular arc plate and the flat plate forms an air inlet
  • the straight cylinder is fixedly connected and communicated with the conical cylinder
  • the small end of the conical cylinder is accommodated in the In the straight cylinder
  • the angle between the blade arc plate and the flat plate is an obtuse angle.
  • the cyclone separation device is provided with four blade arc plates and four flat plates, and the blade arc plates and the flat plates are evenly arranged at the large end of the conical cylinder along the circumferential direction end, forming four air inlets in total.
  • the small end of the conical barrel is provided with four dust discharge ports and one dust discharge port, and the number of the dust discharge ports is consistent with the number of the air inlet ports.
  • the separation structure for the dust cup of the vacuum cleaner also includes a dust cup, a dust-proof skirt, and a fine steel filter screen, the bottom of the fine steel filter screen is fixedly connected to the dust-proof skirt, and the dust-proof skirt The side and the stainless steel filter are accommodated in the dust cup, and the bottom of the straight tube abuts against the bottom wall of the dust cup.
  • the height from the upper surface of the connecting ring to the lower surface of the plate is H1
  • the height of the tapered cylinder is H2
  • the ratio of H2/H1 is between 2-3.
  • the height of the refined steel filter is H3, and the ratio of H3/H1 is between 2-2.5.
  • the maximum outer diameter of the air inlet along the central axis is D1
  • the outer diameter of the refined steel filter is D2
  • the ratio of D1/D2 is between 0.8-0.9.
  • the gap between the outermost side of the dustproof skirt and the inner sidewall of the dust cup is D3, and D3 is between 6mm-10mm.
  • the separation structure for the dust cup of the vacuum cleaner proposed by the utility model is a single-cone cyclone filter structure, forming a first-level separation between the side wall of the dust cup and the fine steel filter net, and forming a second-level separation and a third-level separation in the cyclone separation device. Separation, in which the secondary separation occurs in the area from the connecting ring to the plate, and the tertiary separation occurs in the conical cylinder below the bottom of the plate.
  • the structure of the single-cone cyclone filter device produces one to three levels of separation, which effectively increases
  • the separation effect of the single-cone cyclone filter device makes the separation structure used for the dust cup of the vacuum cleaner have the advantages of the single-cone and multi-cone cyclone filter devices at the same time; the flow section of the conical cylinder along the central axis gradually decreases to ensure the continuous acceleration of the rotating airflow. Form a better separation effect; after the airflow enters the cyclone separation device from the air inlet, it accelerates downward while forming a high-speed rotating airflow, and has a high separation effect in the secondary separation stage, ensuring higher speed rotation
  • the gas stream enters a three-stage separation stage.
  • Fig. 1 is a sectional view of the separation structure for the dust cup of the vacuum cleaner of the present invention
  • Fig. 2 is the perspective view of the cyclone separation device of the present utility model
  • Fig. 3 is a perspective view of another angle of the cyclone separation device of the present invention.
  • Fig. 4 is a cross-sectional view of the cyclone separation device of the present invention.
  • the utility model proposes a separation structure for the dust cup of the vacuum cleaner, the separation structure for the dust cup of the vacuum cleaner includes a cyclone separation device 10, and the cyclone separation device 10 is provided with a connecting ring 11 , blade arc plate 12, flat plate 13, conical cylinder 14, straight cylinder 15, the top of described blade arc plate 12 is fixedly connected with described connecting ring 11, the bottom of described blade arc plate 12 is connected with described flat plate 13 Fixedly connected, the flat plate 13 is fixedly installed on the large end of the conical cylinder 14, the gap between the connecting ring 11, the blade arc plate 12, and the flat plate 13 forms an air inlet 21, and the straight cylinder 15 is fixedly connected and communicated with the conical cylinder 14, the small head end of the conical cylinder 14 is accommodated in the straight cylinder 15, the angle a between the blade arc plate 12 and the flat plate 13 is an obtuse angle.
  • the cyclone separation device 10 is provided with four blade arc plates 12 and four flat plates 13, and the blade arc plates 12 and the flat plates 13 are evenly arranged in the conical tube along the circumferential direction. 14, forming four air inlets 21 in total.
  • the small end of the conical cylinder 14 is provided with four dust outlets 16 and one dust drop 17 , the number of the dust outlets 16 is consistent with the number of the air inlets 21 .
  • the separation structure for the dust cup of the vacuum cleaner also includes a dust cup 18, a dust-proof skirt 19, and a fine steel filter screen 20, the bottom of the fine steel filter screen 20 is fixedly connected with the dust-proof skirt 19, and the anti-dust skirt 19 is fixedly connected.
  • the dust skirt 19 and the stainless steel filter 20 are accommodated in the dust cup 18 , and the bottom of the straight tube 15 abuts against the bottom wall of the dust cup 18 .
  • the angle a between the blade arc plate 12 and the flat plate 13 is 95.5°.
  • a primary separation is formed between the side wall of the dust cup 18 and the fine steel filter screen 20, and secondary separation and tertiary separation are formed in the cyclone separation device 10, wherein the secondary separation occurs at the connection In the area from the circle 11 to the flat plate 13, the height H1 occurs, and the tertiary separation occurs in the conical cylinder 14 below the bottom of the flat plate 13, and the height H2 occurs.
  • the flow cross-section of the tapered cylinder 14 decreases gradually along the central axis to ensure continuous acceleration of the swirling airflow and form a better separation effect.
  • the conical barrel 14 is provided with the dust outlet 16 and the dust outlet 17 at the bottom thereof, wherein the number of the dust outlet 16 is consistent with the number of the air inlet 21 to ensure that the air flow is more uniform at the bottom to remove fine particles. dust.
  • the height from the upper surface of the connecting ring 11 to the lower surface of the flat plate 13 is H1, that is, the height of the secondary separation, and the height of the conical cylinder 14 is H2, that is, the height of the tertiary separation, H2
  • the ratio of /H1 is between 2-3.
  • the height of the refined steel filter 20 is H3, and the ratio of H3/H1 is between 2-2.5.
  • the maximum outer diameter of the air inlet 21 along the central axis is D1, that is, the outer diameter of the connecting ring 11 is D1.
  • the outer diameter of the refined steel filter 20 is D2, and the ratio of D1/D2 is between 0.8-0.9.
  • the gap between the outermost side of the dustproof skirt 19 and the inner sidewall of the dust cup 18 is D3, and D3 is between 6mm-10mm.
  • the mixture of air and garbage is sucked into the dust cup 18 from the air inlet of the dust cup 18, and first flows between the side wall of the dust cup 18 and the fine steel filter screen 20 A swirling airflow is formed in the space, relying on centrifugal force and the joint action of the stainless steel filter 20 to complete the first-level separation, the larger volume of garbage gradually settles to the bottom of the dust cup 18, and the gas carries small particles of garbage through the stainless steel filter.
  • the filter screen 20 enters the cyclone separation device 10, and through the special structural design of the cyclone separation device 10, a swirling air flow with a higher rotation speed is formed, thereby completely separating the air from the small particles of garbage, wherein the air from the dust cup
  • the air return pipe of 18 enters the filter cotton of the dust cup 18, is inhaled and discharged by the motor of the dust cup, and the small particles of garbage gradually settle into the straight tube 15 at the bottom.
  • the ratio of D1/D2 is greater than 0.8, which can ensure air intake efficiency.
  • D3 is between 6mm-10mm to prevent the airflow from engulfing the lower garbage from floating up.
  • the utility model also has other multiple implementation modes. Based on this implementation mode, other implementation modes obtained by those of ordinary skill in the art without any creative work, all belong to the scope of protection of the utility model. .

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

Abstract

一种用于吸尘器尘杯的分离结构，包括旋风分离装置（10），旋风分离装置（10）上设有连接圈（11）、叶片圆弧板（12）、平板（13）、锥形筒（14）、直筒（15），叶片圆弧板（12）的顶部与连接圈（11）固定连接，叶片圆弧板（12）的底部与平板（13）固定连接，平板（13）固定安装在锥形筒（14）的大头端，连接圈（11）、叶片圆弧板（12）、平板（13）之间的空隙形成进风口（21），直筒（15）与锥形筒（14）固定连接并且相连通，锥形筒（14）的小头端收容于直筒（15）内，叶片圆弧板（12）和平板（13）之间的夹角a为钝角，气流由进风口（21）进入旋风分离装置（10）后，在形成高速旋转气流的同时，存在向下加速的作用。

Description

一种用于吸尘器尘杯的分离结构 技术领域
本实用新型涉及吸尘器设备技术领域，尤其涉及一种用于吸尘器尘杯的分离结构。
背景技术
目前市场上的吸尘器，为了便于清理，其过滤装置一般主要包括单锥单级旋风过滤结构和多锥多级旋风过滤结构。其中，单锥单级旋风过滤结构是指只有一级旋风分离结构，对待分离杂质的气流实现一次分离；多锥多级旋风过滤结构是指有两级或两级以上的旋风分离结构，其中，气流从一级旋风分离结构出风口排出的方向和进入二级旋风分离结构的方向基本保持一致，一级旋风分离结构的出风口的横截面积一般大于二级旋风分离结构的进风口的横截面积，从而使得进入二级旋风分离结构的气流会继续上升，提高二级旋风分离效果。而目前市面上体积小的吸尘器通常会选用单锥单级旋风过滤结构，而单锥单级旋风过滤结构的旋风分离效率比较低，难以起到有效的灰尘分离过滤效果；而多锥多级旋风过滤结构的结构复杂，占用空间较大，从而无法适应吸尘器产品轻薄短小的发展方向。故现今市场上的单锥单级旋风过滤结构和多锥多级旋风过滤结构均有无法规避的缺点，影响用户体验以及清洁效率。
实用新型内容
为了解决上述问题，本实用新型提出一种用于吸尘器尘杯的分离结构。
本实用新型通过以下技术方案实现的：
本实用新型提出一种用于吸尘器尘杯的分离结构，所述用于吸尘器尘杯的分离结构包括旋风分离装置，所述旋风分离装置上设有连接圈、叶片圆弧板、平板、 锥形筒、直筒，所述叶片圆弧板的顶部与所述连接圈固定连接，所述叶片圆弧板的底部与所述平板固定连接，所述平板固定安装在所述锥形筒的大头端，所述连接圈、所述叶片圆弧板、所述平板之间的空隙形成进风口，所述直筒与所述锥形筒固定连接并且相连通，所述锥形筒的小头端收容于所述直筒内，所述叶片圆弧板和所述平板之间的夹角为钝角。
进一步的，所述旋风分离装置上设有四个所述叶片圆弧板和四个所述平板，所述叶片圆弧板和所述平板沿着圆周方向均匀排列在所述锥形筒的大头端，总共形成四个所述进风口。
进一步的，所述锥形筒的小头端上设有四个排尘口和一个落尘口，所述排尘口的数量与所述进风口的数量一致。
进一步的，所述用于吸尘器尘杯的分离结构还包括尘杯、防尘裙边、精钢过滤网，所述精钢过滤网底部与所述防尘裙边固定连接，所述防尘裙边和所述精钢过滤网收容于所述尘杯内，所述直筒的底部抵接在所述尘杯的底壁上。
进一步的，所述连接圈上表面到所述平板下表面的高度为H1，所述锥形筒的高度为H2，H2/H1的比值介于2-3之间。
进一步的，所述精钢过滤网的高度为H3，H3/H1的比值介于2-2.5之间。
进一步的，所述进风口沿中轴线最大外径为D1，所述精钢过滤网的外径为D2，D1/D2的比值介于0.8-0.9之间。
进一步的，所述防尘裙边的最外侧到所述尘杯的内侧壁的间隙为D3，D3介于6mm-10mm之间。
本实用新型的有益效果：
本实用新型提出的用于吸尘器尘杯的分离结构为单锥旋风过滤结构，在尘杯 的侧壁和精钢过滤网之间形成一级分离，在旋风分离装置内形成二级分离和三级分离，其中二级分离发生在连接圈到平板这段区域内，三级分离发生在平板底部以下的锥形筒内，以单锥旋风过滤装置的结构产生一到三级的分离，有效增加了单锥旋风过滤装置的分离效果，使得用于吸尘器尘杯的分离结构同时具有单锥和多锥旋风过滤装置的优点；锥形筒沿中轴线的流通截面逐渐减小，确保旋转气流不断加速，形成更好的分离效果；气流由进风口进入旋风分离装置后，在形成高速旋转气流的同时，存在向下加速的作用，在二级分离阶段就具备很高的分离效果，保证更高速的旋转气流进入三级分离阶段。
附图说明
图1为本实用新型的用于吸尘器尘杯的分离结构的剖视图；
图2为本实用新型的旋风分离装置的立体图；
图3为本实用新型的旋风分离装置的另一角度的立体图，
图4为本实用新型的旋风分离装置的剖视图。
具体实施方式
为了更加清楚完整的说明本实用新型的技术方案，下面结合附图对本实用新型作进一步说明。
请参考图1-4，本实用新型提出一种用于吸尘器尘杯的分离结构，所述用于吸尘器尘杯的分离结构包括旋风分离装置10，所述旋风分离装置10上设有连接圈11、叶片圆弧板12、平板13、锥形筒14、直筒15，所述叶片圆弧板12的顶部与所述连接圈11固定连接，所述叶片圆弧板12的底部与所述平板13固定连接，所述平板13固定安装在所述锥形筒14的大头端，所述连接圈11、所述叶片圆弧板12、所述平板13之间的空隙形成进风口21，所述直筒15与所述锥形筒 14固定连接并且相连通，所述锥形筒14的小头端收容于所述直筒15内，所述叶片圆弧板12和所述平板13之间的夹角a为钝角。所述旋风分离装置10上设有四个所述叶片圆弧板12和四个所述平板13，所述叶片圆弧板12和所述平板13沿着圆周方向均匀排列在所述锥形筒14的大头端，总共形成四个所述进风口21。所述锥形筒14的小头端上设有四个排尘口16和一个落尘口17，所述排尘口16的数量与所述进风口21的数量一致。所述用于吸尘器尘杯的分离结构还包括尘杯18、防尘裙边19、精钢过滤网20，所述精钢过滤网20底部与所述防尘裙边19固定连接，所述防尘裙边19和所述精钢过滤网20收容于所述尘杯18内，所述直筒15的底部抵接在所述尘杯18的底壁上。
在本实施方式中，所述叶片圆弧板12和所述平板13之间的夹角a为95.5°。在所述尘杯18的侧壁和所述精钢过滤网20之间形成一级分离，在所述旋风分离装置10内形成二级分离和三级分离，其中二级分离发生在所述连接圈11到所述平板13这段区域内，发生高度为H1，三级分离发生在所述平板13底部以下的所述锥形筒14内，发生高度为H2。气流由所述进风口21进入所述旋风分离装置10后，在形成高速旋转气流的同时，存在向下加速的作用，在二级分离阶段就具备很高的分离效果，保证更高速的旋转气流进入三级分离阶段。所述锥形筒14沿中轴线的流通截面逐渐减小，确保旋转气流不断加速，形成更好的分离效果。所述锥形筒14在其底部设置所述排尘口16与所述落尘口17，其中所述排尘口16的数量与所述进风口21的数量一致，确保气流在底部更均匀排除细小灰尘。
进一步的，所述连接圈11上表面到所述平板13下表面的高度为H1，即二级分离的发生高度，所述锥形筒14的高度为H2，即三级分离的发生高度，H2/H1的比值介于2-3之间。所述精钢过滤网20的高度为H3，H3/H1的比值介于2-2.5 之间。所述进风口21沿中轴线最大外径为D1，即所述连接圈11的外径为D1。所述精钢过滤网20的外径为D2，D1/D2的比值介于0.8-0.9之间。所述防尘裙边19的最外侧到所述尘杯18的内侧壁的间隙为D3，D3介于6mm-10mm之间。
在本实施方式中，空气和垃圾的混合物从所述尘杯18的进气口被吸入所述尘杯18，首先在所述尘杯18侧壁与所述精钢过滤网20之间的流动空间内形成旋转气流，依靠离心力和所述精钢过滤网20的共同作用完成一级分离，较大体积的垃圾逐渐沉降至所述尘杯18底部，气体携带小颗粒垃圾透过所述精钢过滤网20，进入所述旋风分离装置10，通过所述旋风分离装置10的特殊结构设计，形成旋转速度更高的旋转气流，从而将空气与小颗粒垃圾彻底分离，其中空气从所述尘杯18的回气管进入所述尘杯18的滤棉，再被尘杯的电机吸入并排出，小颗粒垃圾逐渐沉降至底部所述直筒15中。D1/D2的比值大于0.8，能够确保气流进气效率。D3介于6mm-10mm之间，防止气流挟裹下部的垃圾上浮。
当然，本实用新型还可有其它多种实施方式，基于本实施方式，本领域的普通技术人员在没有做出任何创造性劳动的前提下所获得其他实施方式，都属于本实用新型所保护的范围。

Claims (8)

  1. 一种用于吸尘器尘杯的分离结构，其特征在于，所述用于吸尘器尘杯的分离结构包括旋风分离装置，所述旋风分离装置上设有连接圈、叶片圆弧板、平板、锥形筒、直筒，所述叶片圆弧板的顶部与所述连接圈固定连接，所述叶片圆弧板的底部与所述平板固定连接，所述平板固定安装在所述锥形筒的大头端，所述连接圈、所述叶片圆弧板、所述平板之间的空隙形成进风口，所述直筒与所述锥形筒固定连接并且相连通，所述锥形筒的小头端收容于所述直筒内，所述叶片圆弧板和所述平板之间的夹角为钝角。
  2. 根据权利要求1所述的用于吸尘器尘杯的分离结构，其特征在于，所述旋风分离装置上设有四个所述叶片圆弧板和四个所述平板，所述叶片圆弧板和所述平板沿着圆周方向均匀排列在所述锥形筒的大头端，总共形成四个所述进风口。
  3. 根据权利要求2所述的用于吸尘器尘杯的分离结构，其特征在于，所述锥形筒的小头端上设有四个排尘口和一个落尘口，所述排尘口的数量与所述进风口的数量一致。
  4. 根据权利要求3所述的用于吸尘器尘杯的分离结构，其特征在于，所述用于吸尘器尘杯的分离结构还包括尘杯、防尘裙边、精钢过滤网，所述精钢过滤网底部与所述防尘裙边固定连接，所述防尘裙边和所述精钢过滤网收容于所述尘杯内，所述直筒的底部抵接在所述尘杯的底壁上。
  5. 根据权利要求4所述的用于吸尘器尘杯的分离结构，其特征在于，所述连接圈上表面到所述平板下表面的高度为H1，所述锥形筒的高度为H2，H2/H1的比值介于2-3之间。
  6. 根据权利要求5所述的用于吸尘器尘杯的分离结构，其特征在于，所述精钢过滤网的高度为H3，H3/H1的比值介于2-2.5之间。
  7. 根据权利要求6所述的用于吸尘器尘杯的分离结构，其特征在于，所述进风口沿中轴线最大外径为D1，所述精钢过滤网的外径为D2，D1/D2的比值介于0.8-0.9之间。
  8. 根据权利要求7所述的用于吸尘器尘杯的分离结构，其特征在于，所述防尘裙边的最外侧到所述尘杯的内侧壁的间隙为D3，D3介于6mm-10mm之间。
PCT/CN2021/132318 2021-06-16 2021-11-23 一种用于吸尘器尘杯的分离结构 WO2022262195A1 (zh)

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US20090282791A1 (en) * 2006-07-21 2009-11-19 Weiguo Lang Secondary cyclone separation dust cup for dust collectors
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