WO2020024537A1 - 一种螺旋尘气分离装置及气体净化装置 - Google Patents

一种螺旋尘气分离装置及气体净化装置 Download PDF

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Publication number
WO2020024537A1
WO2020024537A1 PCT/CN2018/122930 CN2018122930W WO2020024537A1 WO 2020024537 A1 WO2020024537 A1 WO 2020024537A1 CN 2018122930 W CN2018122930 W CN 2018122930W WO 2020024537 A1 WO2020024537 A1 WO 2020024537A1
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dust
separator
spiral
separation device
gas separation
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PCT/CN2018/122930
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English (en)
French (fr)
Inventor
王德旭
廖泓斌
陈闪毅
黄月林
陈勇
任敏
李吉
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珠海格力电器股份有限公司
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Publication of WO2020024537A1 publication Critical patent/WO2020024537A1/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 invention relates to the technical field of vacuum cleaners, in particular to a spiral dust gas separation device and a gas purification device.
  • the separator in the existing vacuum cleaner mostly uses a cyclone secondary separation.
  • the air containing impurities enters the dust and dirt cup along the tangential direction. During the rotation process from top to bottom, large particles and heavier impurities are denser than air.
  • a large centrifugal force hits the inner wall of the first-stage separator and loses its inertia. It falls into the dust collection chamber below and separates from the air.
  • Fine impurities and air enter the second-stage separator. Fine dust collides with the second-stage separator.
  • the inner wall of the device loses its inertia and falls into the dust collection chamber below to separate from the air, and the clean air passes through filtering components such as sponges and is discharged into the atmosphere.
  • Patent CN105246385A discloses a cyclone separation device, as shown in FIG. 1, which includes a cyclone chamber 5, a collection chamber 6, a guide member 8 and an intermediate exhaust pipe, the guide member is provided with a front end, a tail end and a guide surface, and is entrained. Debris in the airflow of the cyclone chamber 5 passes through the front end of the guide member, enters the guide surface, and then enters the collection chamber 6 from the tail end.
  • the separation device has a simple structure, but is characterized by the rotating airflow and the middle exhaust pipe leading to dust. In the cyclone separation process, the dirt is easily discharged directly because it is too close to the exhaust pipe, and the separation effect is poor.
  • Patent CN101816537B discloses a cyclone separation device, as shown in FIG. 2, which includes an upstream cyclone separation device 2 and a downstream cyclone separation component 8 provided around a central axis 16 of the cyclone separation device.
  • the downstream cyclone separation component 8 is in turn It includes several cyclones 9 connected in parallel to each other, which together construct a curved cyclone channel to achieve multi-stage separation of dust and gas, thereby effectively solving the defect of poor separation effect existing in CN105246385A.
  • the cyclone separator described here is a combination of multiple parts to form a primary or secondary separation cavity. The disadvantage is that there are many parts and the structure is complicated.
  • the technical problem to be solved by the present invention is to achieve a good dust-gas separation effect while ensuring a simple structure.
  • the present invention provides a spiral dust-gas separation, including:
  • the cup body is provided with a cup body air inlet on the side wall.
  • a separator is detachably disposed inside the cup body, a first guide channel is provided between an outer wall of the separator and an inner wall of the cup body, and an air outlet is provided on the top of the separator.
  • the separator includes:
  • An inner pipe, and the inner edges of the upper and lower guide vanes are connected to the inner pipe;
  • An outer tube is coaxially disposed on the outer side of the inner tube, and the outer tube, the inner tube, the upper guide vane and the lower guide vane collectively constitute a second guide channel.
  • the dust-containing airflow entering from the cup air inlet enters the second guide channel under the action of an external suction fan and makes downward spiral movement in the second channel.
  • the large-mass impurities in the dust gas are screwed onto the inner wall of the separator in the second guide channel, and the kinetic energy of the movement is reduced by friction with the inner wall, and the large-mass impurities will fall freely to the cup body.
  • first-order separation is achieved.
  • the dust-containing airflow in the second guide channel separated by the first stage flows out to the first guide channel.
  • the dust-containing airflow will continue to spiral, but the first guide The channel has a larger spiral diameter, which further reduces the kinetic energy of the impurities in the dust-containing airflow, and further causes the lighter weight impurities to fall to the bottom of the cup due to insufficient kinetic energy, thereby achieving secondary separation.
  • the dust-containing airflow that has passed through the secondary separation flows out to the outside through the air outlet.
  • a filter is provided at a position of the separator corresponding to the air outlet.
  • the upper end of the inner tube is provided with a receiving groove for setting the filter.
  • the outer tube is provided with a separator air inlet opposite to the cup air inlet.
  • the starting ends of the upper guide vane and the lower guide vane are connected to the air inlet of the separator, and have a tangential positional relationship with the direction of the dust gas inlet, ensuring entry into the second guide channel.
  • the dusty airflow does spiral motion as early as possible, avoiding the disorder of airflow at the air inlet of the separator.
  • a top cover is formed inwardly at the upper end of the inner tube. If there is a gap between the lower end of the inner tube and the bottom end of the cup body, dust-containing gas will flow out to the air outlet through the inner tube. The top cover can effectively prevent it The above phenomenon occurred.
  • the lower end of the inner tube is in contact with the bottom end surface of the cup.
  • the outer tube is provided with a notch for the dust-containing airflow to flow out, and the dust-containing airflow in the second guide channel flows out from the notch on the outer wall.
  • Positioning ribs extending away from the longitudinal axis of the receiving groove are provided on the outer wall of the receiving groove, and positioning grooves matching the positioning ribs are provided on the inner wall of the cup, so that the separator and Equipment is simpler.
  • a gas purification device is also provided, including any one of the spiral dust gas separation devices described above, and the gas purification device is a vacuum cleaner.
  • the spiral dust and gas separation device provided by the present invention, a cup body, a cup body is provided with an air inlet on a side wall; a separator is detachably disposed inside the cup body, and a dust outlet is disposed on the top, the separation
  • a first guide channel is provided between the outer wall of the hood and the inner wall of the dirt cup, and an air outlet is provided on the top of the separator; the separator includes: upper guide vanes and downward spirals that are parallel to each other and spiral downward.
  • the invention realizes the secondary separation of dust and gas by providing a first guide channel and a second guide channel, and improves the dust and gas separation effect.
  • the separator is detachably disposed inside the cup body, so that the overall structure is compact and simple. .
  • a filter is provided at a position corresponding to the separator and the air outlet, so as to further purify the gas from the air outlet.
  • the starting ends of the upper guide vane and the lower guide vane are connected to the air inlet of the separator, and have a tangential positional relationship with the direction of dust air intake. This ensures that the dust-laden airflow entering the second guide channel performs spiral motion as early as possible, and avoids the phenomenon that the airflow disorder of the air inlet of the separator occurs.
  • a top cover is formed inwardly at the upper end of the inner tube. If there is a gap between the lower end of the inner tube and the bottom end of the cup body, dust-containing gas will pass through the inner tube. The outflow to the air outlet can effectively prevent the above phenomenon after setting the top cover.
  • the upper end of the inner tube in the spiral dust gas separation device provided by the present invention is provided with a receiving groove for setting the filter, which facilitates the replacement of the filter.
  • An outer wall of the accommodating groove in the spiral dust gas separation device provided by the present invention is provided with positioning ribs extending away from the longitudinal axis of the accommodating groove, and an inner wall of the cup body is provided with the positioning ribs.
  • the matching positioning slot makes the equipment of the separator and the cup easier.
  • FIG. 1 is a drawing of the background art of the present invention
  • FIG. 2 is a drawing of the background art of the present invention.
  • FIG. 3 is a cross-sectional view of a spiral dust gas separation device and a gas purification device provided in a first embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a separator provided in a first embodiment of the present invention.
  • FIG. 5 is a separation principle diagram of a spiral dust gas separation device and a gas purification device provided in a first embodiment of the present invention
  • FIG. 6 is an exploded view of the spiral dust gas separation device and the gas purification device provided in the first embodiment of the present invention.
  • a spiral dust gas separation device provided in this embodiment includes a cup body 1, a cup body air inlet 11 and a separator 2 are provided on a side wall, and are detachably embedded in the housing. The inside of the cup body 1 is described.
  • the separator 2 is provided with an upper deflector blade 231 and a lower air deflector 232 that are parallel to each other and spiral downward.
  • the upper deflector blade 231 and the starting end of the lower deflector blade 232 are connected to the separator.
  • the air inlet 25 is in a tangential positional relationship with the dust gas inlet direction;
  • the inner tube 21 has a top cover formed inwardly at the edge of the upper end to prevent dust from diffusing from the middle of the inner tube 21 to the outside.
  • the inner edges of the upper guide vane 231 and the lower guide vane 232 are connected to the inside.
  • an accommodating groove 24 is provided on the upper end of the inner tube 21 to set the filter 3.
  • the outer wall of the accommodating groove 24 is provided with a positioning extending in a direction away from the longitudinal axis of the accommodating groove.
  • a rib 241 is provided on the inner wall of the cup body 1 with a positioning groove matching the positioning rib 241.
  • the outer tube 22 is coaxially disposed on the outer side of the inner tube 21, and a separator air inlet 25 is disposed on the outer tube 22 opposite to the cup air inlet 11.
  • the air inlet 25 of the separator includes a through hole provided on a side wall of the separator 2, the shape of the through hole is the same as the shape of the air inlet 11 of the cup body, and along the edge of the through hole An air inlet duct formed in an axial direction thereof, and one end of the air inlet duct extends to the cup air inlet 11.
  • the lower end of the inner tube 21 is in contact with the bottom end surface of the cup body 1.
  • the outer tube 2 is provided with a gap for the dust-containing airflow to flow out, and the dust-containing airflow in the second guide channel is notched from the outer wall. Everywhere.
  • FIG. 5 shows the dust-gas separation principle of the spiral dust-gas separation device described in this embodiment:
  • a first guide passage is provided between the outer wall of the separator 2 and the inner wall of the cup body 1 in the above-mentioned spiral dust-gas separation device, the outer tube 22, the inner tube 21, and the upper tube.
  • the guide vanes 231 and the lower guide vanes 232 together constitute a second guide channel;
  • the dust-containing airflow entering from the cup air inlet 11 enters the second guide channel under the action of an external suction fan and makes downward spiral movement in the second channel.
  • the large-mass impurities in the dust-containing gas are screwed onto the inner wall of the separator 2 in the second guide channel, and the frictional kinetic energy is reduced by friction with the inner wall, and the large-mass impurities will fall freely to the The bottom of the cup body 1 achieves first-level separation.
  • the dust-containing airflow in the second guide channel separated by the first stage flows out to the first guide channel.
  • the dust-containing airflow will continue to spiral, but the first guide The channel has a larger spiral diameter, which further reduces the kinetic energy of the impurities in the dust-containing airflow, and further causes the lighter-weight impurities to fall to the bottom of the cup body 1 due to insufficient kinetic energy, thereby achieving secondary separation.
  • the dust-containing airflow that has passed through the secondary separation flows out of the air outlet 242 through the filter screen of the separator to the outside.
  • This embodiment provides a gas purification device, specifically a vacuum cleaner, including:
  • the spiral dust-gas separation device described in the above embodiment 1 has its technical advantages.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cyclones (AREA)
  • Separating Particles In Gases By Inertia (AREA)

Abstract

一种螺旋尘气分离装置及气体净化装置，螺旋尘气分离装置包括：杯体（1）和分离器（2）；分离器（2）包括：相互平行并向下螺旋的上导流叶片（231）和下导流叶片（232），还包括内管（21）以及外管（22）；分离器（2）的外壁与杯体（1）的内壁之间设置有第一导向通道；外管（22）、内管（21）、上导流叶片（231）和下导流叶片（232）共同构成第二导向通道。通过设置第一导向通道和第二导向通道实现了对含尘气流的二次分离，实现了对尘气较好的分离效果，且螺旋尘气分离装置只包含了一个杯体（1）和一个分离器（2），两者套接在一起即可，结构简单紧凑。

Description

一种螺旋尘气分离装置及气体净化装置
本申请要求于2018年7月31日提交中国专利局、申请号为201810857479.9、发明名称为“一种螺旋尘气分离装置及气体净化装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及吸尘器技术领域，具体涉及一种螺旋尘气分离装置及气体净化装置。
背景技术
尘杯式吸尘器因为尘杯可以反复使用，不同于尘袋式需要经常更换尘袋，被越来越多的人喜爱和使用。现有吸尘器中的分离器多采用旋风式二次分离，含有杂质的空气沿切线方向进入尘污杯中，由上至下作回转过程中，大颗粒、较重的杂质因密度大于空气，所受离心力较大而碰撞到第一级分离器的内壁后失去惯性掉进下方集尘腔而与空气分离，较细的杂质及空气进入第二级分离器，细小的灰尘碰撞到第二级分离器的内壁后失去惯性掉进下方的集尘腔与空气分离，而洁净的空气通过海绵等过滤部件后排放到大气中。
专利CN105246385A公布了一种旋风分离装置，如图1所示，其包括旋风室5，收集室6，引导构件8和中间排风管，所述引导构件设置有前端，尾端和引导表面，夹带在旋风室5气流中的碎屑经引导构件的前端，进入 引导表面，再由尾端进入收集室6，其分离装置结构简单，但是特点是旋转气流与中间的排风管靠进，导致尘污在旋风分离过程中容易因为太接近排风管而直接排出，分离效果较差。
专利CN101816537B公布了一种旋风分离装置，如图2所示，其包括围绕所述旋风分离装置的中心轴线16设置有上游旋风分离装置2和下游旋风分离组件8，所述下游旋风分离组件8又包括彼此并联的若干个旋风器9，其共同构建弯折的旋风风道，实现对尘气的多级分离，从而有效解决CN105246385A存在的分离效果较差的缺陷。这里所述的旋风分离器是多个零件配合组成一、二级分离腔体，缺点是零件多、结构复杂。
发明内容
因此，本发明要解决的技术问题在于实现尘气分离效果好的同时保证结构简单。
为此，本发明提供一种螺旋尘气分离，包括：
杯体，侧壁上设置有杯体入风口。
分离器，可拆卸的设置在所述杯体内部，所述分离器的外壁与所述杯体的内壁之间设置有第一导向通道，所述分离器的顶部设置有出风口。
所述分离器包括：
相互平行并向下螺旋的上导流叶片和下导流叶片；
内管，所述上导流叶片和下导流叶片的内缘连接在所述内管上；
外管，同轴设置在所述内管的外侧，所述外管、所述内管、所述上导流叶片和所述下导流叶片共同构成第二导向通道。
从所述杯体入风口进入的含尘气流在外部吸气风扇的作用下进入所述 第二导向通道中且在第二通道中做向下螺旋地运动，此过程中，通过螺旋离心力，含尘气体中的大质量杂质被旋覆到第二导向通道中的分离器的内侧壁上，通过与内侧壁的摩擦，减小了其运动动能，进而大质量杂质会自由落到所述杯体底部，实现一级分离。
经过一级分离的所述第二导向通道中的含尘气流流出至所述第一导向通道，在惯性作用和外界吸气风扇的作用下，含尘气流会继续做螺旋运动，但第一导向通道具有较大的螺旋直径，使含尘气流中的杂质的动能进一步降低，进而使质量更轻的杂质因动能不足落到杯体的底部，进而实现二级分离。通过二次分离的含尘气流经所述出风口处流出到外界。
所述分离器与所述出风口相对应的位置设置有过滤器。
所述内管的上端设置有容置槽，用以设置所述过滤器。
所述外管上设置有与所述杯体入风口相对设置的分离器进风口。
所述上导流叶片与所述下导流叶片的起始端连接在所述分离器进风口上，并与尘气进气方向呈相切位置关系，保证了进入到所述第二导向通道中的含尘气流尽早的做螺旋运动，避免了分离器进气口发生气流紊乱的现象。
所述内管的上端部边沿向内形成有顶盖，若内管的下端部与杯体的底端面接触存在间隙，含尘气体会通过内管流出到出风口，设置顶盖后可有效防止上述现象的发生。
所述内管的下端部接触到所述杯体的底端面，所述外管上设置有供含尘气流流出的缺口，第二导向通道中的含尘气流从所述外壁的缺口处流出。
所述容置槽的外壁上设置有朝向远离所述容纳槽纵向轴线方向延伸的定位筋，所述杯体的内壁上设置有与所述定位筋配合的定位槽，使分离器 与杯体的装备更简便。
还提供了一种气体净化装置，包括上述任一所述的螺旋尘气分离装置，所述气体净化装置为吸尘器。
本发明技术方案，具有如下优点：
1.本发明提供的螺旋尘气分离装置，杯体，侧壁上设置有杯体入风口；分离器，可拆卸的设置在所述杯体内部，顶部设置所述尘污出口，所述分离罩的外壁与所述尘污杯的内壁之间设置有第一导向通道，所述分离器的顶部设置有出风口；所述分离器包括：相互平行并向下螺旋的上导流叶片和下导流叶片；内管，所述上导流叶片和下导流叶片的内缘连接在所述内管上；外管，同轴设置在所述内管的外侧，所述外管、所述内管、所述上导流叶片和所述下导流叶片共同构成第二导向通道；从所述杯体入风口进入的含尘气流通过所述外管进入所述第二导向通道中，所述第二导向通道中的含尘气流流出至所述第一导向通道，含尘气流中的灰尘在所述第一导向通道中发生向下沉积，净化得到的气流从所述出风口处流出。本发明通过设置第一导向通道和第二导向通道实现了对尘气的二次分离，提高了尘气分离效果，所述分离器可拆卸的设置在所述杯体内部，使整体结构紧凑简单。
2.本发明提供的螺旋尘气分离装置中所述分离器与所述出风口相对应的位置设置有过滤器，实现了对出风口中出来的气体进一步净化。
3.本发明提供的螺旋尘气分离装置中所述上导流叶片与所述下导流叶片的起始端连接在所述分离器进风口上，并与尘气进气方向呈相切位置关系，保证了进入到所述第二导向通道中的含尘气流尽早的做螺旋运动，避 免了分离器进气口发生气流紊乱的现象。
4.本发明提供的螺旋尘气分离装置中所述内管的上端部边沿向内形成有顶盖，若内管的下端部与杯体的底端面接触存在间隙，含尘气体会通过内管流出到出风口，设置顶盖后可有效防止上述现象的发生。
5.本发明提供的螺旋尘气分离装置中所述内管的上端设置有容置槽，用以设置所述过滤器，方便了所述过滤器的更换。
6.本发明提供的螺旋尘气分离装置中所述容置槽的外壁上设置有朝向远离所述容纳槽纵向轴线方向延伸的定位筋，所述杯体的内壁上设置有与所述定位筋配合的定位槽，使分离器与杯体的装备更简便。
附图说明
为了更清楚地说明本发明具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明背景技术附图；
图2为本发明背景技术附图；
图3为本发明第一种实施方式中提供的螺旋尘气分离装置及气体净化装置的全剖视图；
图4为本发明第一种实施方式中提供的分离器的结构示意图；
图5为本发明第一种实施方式中提供的螺旋尘气分离装置及气体净化 装置的分离原理图；
图6为本发明第一种实施方式中提供的螺旋尘气分离装置及气体净化装置的***视图。
实施例附图标记说明：
1-杯体；2-分离器；3-过滤器；11-杯体入风口；21-内管；22-外管；23-导流板；24-容置槽；25-分离器进风口；231-上导流叶片；232-下导流叶片；241-定位筋；242-出风口；a-进风轨迹；b-出风轨迹；C-螺旋风道轨迹。
具体实施方式
下面将结合附图对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术 语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
此外，下面所描述的本发明不同实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互结合。
实施例1
如图3到图6所示,为本实施例提供的一种螺旋尘气分离装置，包括：杯体1，侧壁上设置有杯体入风口11以及分离器2，可拆卸的嵌入在所述杯体1内部。
其中所述分离器2上设置有：相互平行并向下螺旋的上导流叶片231和下导风板232所述上导流叶片231与所述下导流叶片232的起始端连接在分离器进风口25上，并与尘气进气方向呈相切位置关系；
内管21，上端部边沿向内形成有顶盖，用以防止尘气从内管21的中部扩散到外界，所述上导流叶片231和下导流叶片232的内缘连接在所述内管21上，所述内管21的上端设置有容置槽24，用以设置所述过滤器3，所述容置槽24的外壁上设置有朝向远离所述容纳槽纵向轴线方向延伸的定位筋241，所述杯体1的内壁上设置有与所述定位筋241配合的定位槽。
外管22，同轴设置在所述内管21的外侧，其上设置有与所述杯体入风口11相对设置的分离器进风口25。本实施例中所述分离器进风口25包括开设在分离器2侧壁上的通孔，所述通孔的形状与所述杯体进风口11的形 状相同，以及沿所述通孔边沿向其轴向方向形成的进风管道，所述进风管道的一端延伸到所述杯体进风口11处。
所述内管21的下端部接触到所述杯体1的底端面，所述外管2上设置有供含尘气流流出的缺口，第二导向通道中的含尘气流从所述外壁的缺口处流出。
图5所示了本实施例中所述螺旋尘气分离装置的尘气分离原理:
其中，通过上述的螺旋尘气分离装置中所述分离器2的外壁与所述杯体1的内壁之间设置有第一导向通道，所述外管22、所述内管21、所述上导流叶片231和所述下导流叶片232共同构成第二导向通道；
从所述杯体入风口11进入的含尘气流在外部吸气风扇的作用下进入所述第二导向通道中且在第二通道中做向下螺旋地运动，此过程中，通过螺旋离心力，含尘气体中的大质量杂质被旋覆到第二导向通道中的分离器2的内侧壁上，通过与内侧壁的摩擦，减小了其运动动能，进而大质量杂质会自由落到所述杯体1底部，实现一级分离。
经过一级分离的所述第二导向通道中的含尘气流流出至所述第一导向通道，在惯性作用和外界吸气风扇的作用下，含尘气流会继续做螺旋运动，但第一导向通道具有较大的螺旋直径，使含尘气流中的杂质的动能进一步降低，进而使质量更轻的杂质因动能不足落到杯体1的底部，进而实现二级分离。
通过二次分离的含尘气流，经过分离器过滤网从所述出风口242处流出到外界。
实施例2
本实施例提供了一种气体净化装置，具体为一种吸尘器，包括：
上述实施例1中所述的螺旋尘气分离装置且具有其所具备的技术优点。
显然，上述实施例仅仅是为清楚地说明所作的举例，而并非对实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。

Claims (10)

  1. 一种螺旋尘气分离装置，其特征在于，包括：
    杯体(1)，侧壁上设置有杯体入风口(11)；
    分离器(2)，可拆卸的设置在所述杯体(1)内部，所述分离器(2)的外壁与所述杯体(1)的内壁之间设置有第一导向通道，所述分离器(2)的顶部设置有出风口(242)；
    所述分离器(2)包括：
    相互平行并向下螺旋的上导流叶片(231)和下导流叶片(232)；
    内管(21)，所述上导流叶片(231)和下导流叶片(232)的内缘连接在所述内管(21)上；
    外管(22)，同轴设置在所述内管(21)的外侧，所述外管(22)、所述内管(21)、所述上导流叶片(231)和所述下导流叶片(232)共同构成第二导向通道；
    从所述杯体入风口(11)进入的含尘气流通过所述外管(22)进入所述第二导向通道中，所述第二导向通道中的含尘气流流出至所述第一导向通道，含尘气流中的灰尘在所述第一导向通道中发生向下沉积，净化得到的气流从所述出风口(242)处流出。
  2. 根据权利要求1所述的螺旋尘气分离装置，其特征在于，所述分离器(2)与所述出风口相对应的位置设置有过滤器(3)。
  3. 根据权利要求2所述的螺旋尘气分离装置，其特征在于，所述内管(21)的上端设置有容置槽(24)，用以设置所述过滤器(3)。
  4. 根据权利要求3所述的螺旋尘气分离装置，其特征在于，所述外管(22)上设置有与所述杯体入风口(11)相对设置的分离器进风口(25)。
  5. 根据权利要求4所述的螺旋尘气分离装置，其特征在于，所述上导流叶片(231)与所述下导流叶片(232)的起始端连接在所述分离器进风口(25)上，并与尘气进气方向呈相切位置关系。
  6. 根据权利要求1所述的螺旋尘气分离装置，所述内管(21)的上端部边沿向内形成有顶盖，用以防止尘气从内管(21)的中部扩散到外界。
  7. 根据权利要求6所述的螺旋尘气分离装置，其特征在于，所述内管(21)的下端部接触到所述杯体(1)的底端面，所述外管(22)上设置有供含尘气流流出的缺口，第二导向通道中的含尘气流从所述外壁的缺口处流出。
  8. 根据权利要求1所述的螺旋尘气分离装置，其特征在于，所述容置槽(24)的外壁上设置有朝向远离所述容纳槽纵向轴线方向延伸的定位筋(241)，所述杯体(1)的内壁上设置有与所述定位筋(241)配合的定位槽。
  9. 一种气体净化装置，其特征在于，包括至少一个权利要求1-8中任一所述的螺旋尘气分离装置。
  10. 根据权利要求9所述的气体净化装置，其特征在于，所述气体净化装置为吸尘器。
PCT/CN2018/122930 2018-07-31 2018-12-22 一种螺旋尘气分离装置及气体净化装置 WO2020024537A1 (zh)

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