CN215348689U - High-efficiency cyclone separator capable of saving space and cleaning equipment - Google Patents

Abstract

A space efficient cyclone separator comprising: the cup body comprises a longitudinal axis, the separating device comprises a primary separator and a secondary separator arranged in the primary separator, the primary separator comprises a filter screen and an airflow guide channel arranged around the filter screen, the secondary separator comprises an upper cone and a lower cone which are stacked up and down, the lower cone and the upper cone respectively comprise a plurality of first air inlet parts and a plurality of second air inlet parts which are used for air inlet after being separated from the filter screen, the airflow guide channel is arranged at the upper end of the filter screen and shields part of the second air inlet parts, dust air enters the filter screen after being filtered by primary cyclone, the dust air is simultaneously sucked into the airflow through the first air inlet parts and the second air inlet parts which are arranged in a staggered mode from top to bottom to carry out secondary cyclone separation, air inlets can be arranged in a limited circumferential space as much as possible, and the air input of the secondary separator is increased, the separation efficiency of the cyclone separator is improved.

Description

High-efficiency cyclone separator capable of saving space and cleaning equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of dust collectors, in particular to a cyclone filter and cleaning equipment.

[ background of the utility model ]

The existing handheld dust collector generally comprises a main body, a motor and a power supply system, wherein the motor and the power supply system are arranged in the main body and used for generating negative pressure, the power supply system generally adopts alternating current and direct current, a cyclone separator is arranged on the main body and used for separating dust and air in the dust sucked by the motor of the handheld dust collector by generating the negative pressure, the dust is stored in the cyclone separator, and the separated air flow is discharged, and the cyclone separator comprises: a separator that is used for storing up grey cup and setting to be used for dirt gas separation in the cup, wherein, cyclone's separation efficiency has directly decided whole dust catcher's work efficiency, the clean degree of handheld dust catcher combustion gas flow has also been decided to a certain extent, simultaneously, along with people's improvement of standard of living, the housing area is bigger and bigger, the requirement to single clean area and cyclone's ash storage volume is higher and higher, under such a condition, in order to improve clean efficiency, the volume of continuous increase separator and cup, with increase air current throughput and body ash storage volume, so design, cyclone volume is bigger and bigger, weight is heavier and heavier, go against with the trend of clean electrical apparatus miniaturization and lightness, influence the proportion of cyclone and complete machine, popular aesthetic.

The closest prior art can refer to the patent No. CN103169420B granted by China invention of Dyson who is applicant, and discloses a cyclone filter of a handheld dust collector, refer to the attached drawings of FIGS. 4-6, the cyclone separator comprises a cup body and a separating device arranged in the cup body, the separating device occupies most space in the cup body, and in order to increase air inflow and improve dust-air separation efficiency, the separating device needs to be arranged as large as possible, so that more airflow cones can be arranged in the circumferential direction, the separation efficiency is enhanced, and the air inflow is increased, however, the overall structure of the cyclone separator is too large, the weight is increased, the weight of the whole machine is increased, the volume of the whole machine is increased, and the market trend of lightening cleaning electric appliances is not met.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

[ Utility model ] content

The utility model aims to provide a high-efficiency cyclone separator and cleaning equipment which can save space.

The purpose of the utility model is realized by the following technical scheme: a space efficient cyclone separator comprising: the cup body comprises a longitudinal axis, the separating device comprises a first-stage separator and a second-stage separator, the second-stage separator is arranged in the first-stage separator, the first-stage separator comprises a filter screen and an air flow guide channel arranged around the filter screen, the second-stage separator comprises an upper cone and a lower cone which are stacked up from top to bottom, the lower cone and the upper cone respectively comprise a plurality of first air inlet portions and a plurality of second air inlet portions, the first air inlet portions are used for air inlet after being separated from the filter screen, and the air flow guide channel is arranged at the upper end of the filter screen and shields part of the second air inlet portions.

Preferably, the first air inlet portion of the lower cone and the second air inlet portion of the upper cone are alternately arranged at intervals in the circumferential direction and are arranged in a vertically staggered manner.

Preferably, the upper cone comprises a second air passing portion arranged at an interval with the second air inlet portion in the circumferential direction.

Preferably, the lower cone comprises a first air passing part arranged at intervals with the first air inlet part in the circumferential direction.

Preferably, the second air inlet portion is arranged above the first air passing portion along an axis of the cup body, and the second air passing portion is arranged above the first air inlet portion along the axis of the cup body.

Preferably, the end of the air flow guide passage forms an angle of not more than 30 degrees with the axis of the cup from the entrance point of the first air intake portion of the lower cone.

Preferably, the angle formed by the end of the air flow guide passage and the inlet point of the second air inlet portion of the upper cone to the cup body axis X is not less than 45 degrees.

Preferably, the angle formed between the inlet end to the end of the air flow guide channel and the axis of the cup body is not more than 120 degrees.

Preferably, the cup body is provided with an airflow inlet for airflow to flow in, and the inlet end of the flow guide channel is further provided with a baffle plate capable of shielding the airflow inlet.

Compared with the prior art, the utility model has the following beneficial effects: dust gas gets into in the filter screen after one-level cyclone filters, first and second air inlet portion through misplacing the setting from top to bottom inhales the air current simultaneously and carries out second grade cyclone, so set up, can be in limited circumference space as much as possible set up the air inlet, increase second grade separator's air input, promote cyclone's separation efficiency, and simultaneously, reduce separator's volume, cyclone's whole size can be reduced like this simultaneously, accord with the trend that market light weight is miniaturized, moreover, under the condition of not reducing the cup, reduce separator's volume, can increase the storage ash volume of cup, prolong cyclone's live time, need not frequently to fall the ash.

[ description of the drawings ]

FIG. 1 is a perspective view of a cyclone separator of the present invention.

Fig. 2 is a partially exploded view of the present invention.

Fig. 3 is a perspective view of the separating apparatus of the present invention.

Fig. 4 is a partially exploded view of the separator device of the present invention.

Fig. 5 is a perspective view of a two-stage separator of the present invention.

Fig. 6 is a perspective view from another perspective of fig. 5.

FIG. 7 is a top view of the upper cone of the present invention.

FIG. 8 is a top view of the lower cone of the present invention.

FIG. 9 is an assembled view of the upper and lower cones of the present invention.

Fig. 10 is a partially exploded view from another perspective of fig. 5.

Fig. 11 is an exploded perspective view from another perspective of fig. 5.

Fig. 12 is another perspective of fig. 11.

Fig. 13 is a cross-sectional view of fig. 5.

Fig. 14 is a cross-sectional view of fig. 9.

Fig. 15 is a partial cross-sectional view of fig. 9.

FIG. 16 shows a first mode of operation of the cyclone separator of the utility model.

FIG. 17 shows a second embodiment of the cyclone separator according to the utility model.

FIG. 18 shows a third embodiment of the cyclone separator according to the utility model.

FIG. 19 shows a fourth mode of operation of the cyclone separator of the utility model.

[ detailed description ] embodiments

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the mechanism or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 15, the present invention provides a cyclone separator and a cleaning device with high efficiency and space saving, and particularly, the cleaning device may be one of a handheld vacuum cleaner, a horizontal vacuum cleaner and a commercial vacuum cleaner, and further applied to a sweeping robot.

The utility model provides a cyclone 100, include cup 1 and set up separator 2 in cup 1, cup 1 roughly is cylindrical setting, including surrounding the lateral wall 11 that sets up and setting up in 11 bottoms of lateral wall 11 and can open or sealed diapire 12 with 11 bottoms of lateral wall, cup 1's top is upwards opened, the axis X who extends diapire 12 is passed around cup 1 center is provided with, cyclone 100 sets up on cleaning equipment, according to cleaning equipment's overall arrangement, this cup 1 can transversely set up, can vertically set up, also can incline the setting, no longer describe herein.

Since the cyclone separator 100 can be at least partially abutted or connected to the surface of the cleaning device for fixing, generally, the portion of the cup body 1 of the cyclone separator 100 abutted or connected to the side wall 11 of the cleaning device is set to be a plane, so that the fixing of the cyclone separator 100 and the cleaning device is more stable, an airflow inlet 101 for sucking dust air into the cyclone separator 100 is opened on the surface of the side wall 11 of the cup body 1 abutted to the cleaning device, and in other embodiments, the airflow inlet can also be set at other positions of the cup body 1.

The installation is provided with separator 2 in cup 1, and this separator 2 includes: one-level separator 21 and set up in the inside second grade separator 22 of one-level separator 21, one-level separator 21 includes annular this part 211 and the second grade that further contracts the extension downwards from this part 211 lower extreme stores up grey portion 212, wherein, form between one-level separator 21 and the cup 1 and be used for the one-level whirlwind space 210 that the whirlwind encircles, dust and gas inhales in one-level whirlwind space 210 from the air current entry 101 of cup 1, dust and gas is rotatory around one-level separator 21 in one-level whirlwind space 210, it is provided with fretwork filter screen 213 around this part 211 of one-level separator 21, the dust of big granule in the dust and gas is rotatory back around one-level separator 21, because the lower extreme of being got rid of into cup 1 under the effect of centrifugal force, other dust and gas enter into the inside of one-level separator 21 part 211 from filter screen 213.

The filter screen 213 lower extreme of one-level separator 21 is provided with the skirt portion 214 of a week that extends downwards and to the outside, and the circumference diameter of this skirt portion 214 is greater than the circumference diameter of filter screen 213, and this skirt portion 214 is used for pressing the ash, and when dirt gas during the rotation separation in one-level cyclone space 210, the dust of large granule is thrown to the body 211 bottom, and skirt portion 214 can prevent that the dust of large granule from falling into the cup 1 bottom and then upwards once more.

The primary separator 21 is provided with an annular airflow guide channel 216 along the filter screen 213, the airflow guide channel 216 is used for introducing dust air into the cup body 1 in a spiral state, the inlet end of the airflow guide channel 216 is further provided with a baffle 217 capable of shielding the airflow inlet 101, and the baffle 217 is used for shielding the airflow inlet 101 in an unused state and rotates towards the inside of the cup body to open the airflow inlet 101 in an activated state.

The second-stage dust storage part 212 narrows inwards from the lower end of the filter screen 213 and then extends vertically downwards to form a structure combining an inverted cone shape and a cylindrical shape, when the bottom wall 12 is closed, the cylindrical bottom of the second-stage dust storage part 212 extends downwards to abut against the bottom wall 12 of the dust cup 1, and a sealing ring 215 is arranged between the second-stage dust storage part 212 and the bottom wall 12.

The second-stage separator 22 is disposed in the main body 211 of the first-stage separator 21, and surrounded by the main body 211 and the filter screen 213, and the second-stage separator 22 includes: an upper cone 221, a lower cone 222 and a cone cover 223 are stacked along the axis of the cup body 1 in the same direction, and are covered on the top of the upper cone 221, wherein sealing elements 224,225 which are sealed with each other are arranged between the upper cone 221 and the lower cone 222 and between the upper cone 221 and the cone cover 223.

The lower cone 222 includes: a plurality of lower cyclone cones 2221 arranged around and a plurality of lower cyclone cones 2222 arranged around and spaced from the lower cyclone cones 2221, wherein each of the lower cyclone cones 2221 and the lower cyclone cones 2222 are arranged independently, the lower cyclone cones 2221 comprise a first air inlet portion 2223 arranged in a ring shape and a first cone portion 2224 extended and contracted downward from the first air inlet portion 2223, the lower cyclone cones 2222 comprise a first air passing portion 2225 arranged in a ring shape and a second cone portion 2226 extended and contracted downward from the first air passing portion 2225, wherein the ring diameter of the first air inlet portion 2223 is larger than that of the first air passing portion 2225, the first air inlet portion 2223 extends outward in a tangential direction to form a first air inlet channel 2227, the first air inlet channel 2227 comprises a pair of side walls extending circumferentially from the first air inlet portion 2223 and a pair of side walls connecting the side walls, and a bottom wall connecting the lower cyclone cones 2222221 and 2222 are arranged in an open structure, two sidewalls of the first air inlet passage 2227 are parallel to each other, wherein the sidewalls of the first air inlet passage 2227 extend tangentially to the outer wall of the first air passing portion 2225.

The air flow enters the first air intake passage 2227 tangentially from the first air intake passage 2227 into the first air intake portion 2223 in a counterclockwise direction. An annular stopper 227 is disposed below the lower cone 222 to cover the first cone portion 2224 of the lower cyclone cone 2221 and the second cone portion 2226 of the lower air cone 2222, when the lower cone 222 is mounted in the main body 211 of the primary separator 21, the stopper 227 is pressed downward against the upper portion of the secondary ash storage portion 212 to separate the spaces between the secondary ash storage portion 212 and the main body 211 of the primary separator 21, and the first cone portion 2224 of the lower cyclone cone 2221 and the second cone portion 2226 of the lower air cone 2222 are communicated with the secondary ash storage portion 212.

In the embodiment of the present invention, 3 lower layer wind cones 2221 and 3 lower layer wind cones 2222 are arranged in the lower cone 222, an included angle formed by a connection line between the center of the lower layer wind cone 2221 and the center of the lower cone 222 and a tangent line between the center of the lower layer wind cone 2222 and the center of the lower cone 222 and a tangent line between the circumference and a tangent line between the center of the lower cone 2222 and the tangent line between the center of the lower cone 222 is 120 degrees.

The upper cone 221 includes: a plurality of upper-layer cyclone cones 2211 arranged around the upper-layer cyclone cones 2211 and a plurality of upper-layer air passing cones 2212 arranged at intervals with the upper-layer cyclone cones 2211, wherein each upper-layer cyclone cone 2211 and each upper-layer air passing cone 2212 are arranged independently, each upper-layer cyclone cone 2211 comprises a second air inlet portion 2213 arranged in an annular shape and a third cone portion 2214 extending downwards from the second air inlet portion 2213 in a shrinking and extending mode, each upper-layer air passing cone 2212 comprises a second air passing portion 2215 arranged in an annular shape and a communicating portion 2216 extending downwards from the second air passing portion 2215 in a contracting and extending mode, the circumferential diameter of the second air inlet portion 2213 is larger than that of the second air passing portion 2215, the second air inlet portion 2213 extends outwards in a tangential direction to form a second air inlet passage 2217, each second air inlet passage 2217 comprises a pair of side walls extending from the second air inlet portion 2213 in a circumferential direction and bottom walls connecting the side walls, the upper-layer cyclone cones 2211 and the upper-layer air passing cones 2212 are arranged in an upward opening structure, two side walls of the second air inlet passage 2217 are parallel to each other, wherein the side walls of the second air inlet passage 2217 extend tangentially to the outer wall of the second air passing portion 2215. The communication portion 2216 of the upper layer of the funnel 2212 is cylindrical, and the outer diameter of the communication portion 2216 is smaller than that of the second funnel 2215.

The airflow entering the second air inlet passage 2217 enters the second air inlet 2213 tangentially from the second air inlet passage 2217 in a counterclockwise direction. A flat baffle portion 226 is disposed below the lower cone 222 to fix the third cone portion 2214 of the upper cyclone cone 2211 and the communication portion 2216 of the upper air cone 2212 together, and extends outward around the outer periphery of the upper air cone 2212, and the communication portion 2216 and the third cone portion 2214 are disposed below the baffle portion 226 at an interval.

In the embodiment of the present invention, 3 upper layer cyclone cones 2211 and 3 upper layer air passing cones 2212 are arranged in the upper cone 221, an included angle formed by a connecting line between the center of the upper layer cyclone cone 2211 and the center of the upper cone 221 and a tangent line between the center of the upper layer air passing cone 2212 and the center of the upper cone 221 and a tangent line between the center of the upper cone 221 and the tangent line between the upper cone is 120 degrees.

When the upper cone 221 is mounted to the lower cone 222, wherein the third cone portion 2214 extends downwardly into the first register 2225, and is positioned substantially at the center of the first airing portion 2225, the communication portion 2216 extends downward into the first air intake portion 2223, and is positioned substantially at the center of the first air intake portion 2223, wherein, the upper cone 221 and the lower cone 222 are mutually jointed and sealed through the baffle part 226, so that each upper cyclone cone 2211 of the upper cone 221 and the lower air passing cone 2222 of the lower cone 222 are independently and hermetically communicated with each other, meanwhile, each upper layer air passing cone 2212 of the upper cone 221 and the lower layer cyclone cone 2221 of the lower cone 222 are independently and hermetically communicated, in order to enhance the sealing performance of the upper cone 221 and the lower cone 222, a sealing member 224 is adopted for sealing, the shape and the structure of the sealing member 224 are substantially the same as those of the baffle part 226, and a plurality of through holes for the third cone part 2214 and the communication part 2216 of the upper cone 221 to pass through are formed in the sealing member 224.

The cone cover 223 covers the top of the upper cone 221, the bottom of the cone cover 223 extends downwards to form a plurality of air outlet columns, the air outlet columns are arranged in a circular surrounding manner, the middle of the cone cover 223 is provided with a fixing column 2231 extending downwards, the air outlet columns axially surround the fixing column 2231, the air outlet columns are hollow to allow air flow, the air outlet columns comprise long air outlet columns 2232 and short air outlet columns 2233, the long air outlet columns 2232 extend downwards to exceed the short air outlet columns 2233, the long air outlet columns 2232 and the short air outlet columns 2233 are arranged at intervals, the top of the cone cover 223 is recessed inwards to form a containing groove 2230 to contain the air outlet filter hpa 3 of the cyclone separator 100, the cone cover 223 is installed on the top of the upper cone 221, wherein the short air outlet columns 2233 extend downwards into the second air inlet portion 2213 and are approximately located in the center of the second air inlet portion 2213, the long air outlet columns 2232 extend downwards into the second air passing portion 2215 and abut against the upper side of the communicating portion 2216, so that the elongated wind post 2232 and the communication portion 2216 form a sealed communication, in an embodiment of the present invention, the communication portion 2216 is contracted downward from the second wind passing portion 2215 and extends to form a step portion 2213 at the connection, the elongated wind post 2232 abuts downward on the step portion 2213, the outer diameter of the elongated wind post 2232 is substantially the same as the inner diameter of the lower end of the second wind passing portion 2215, so that the elongated wind post 2232 is surrounded by the second wind passing portion 2215 at the portion abutting on the step portion 2213. In order to enhance the sealing performance of the upper cone 221 and the cone cover 223, a sealing member 225 is used for sealing, the shape and structure of the sealing member 225 are substantially the same as the outline of the cone cover 223, and a plurality of through holes for the air outlet columns to pass through are arranged on the sealing member 225.

The short outlet posts 2233 extend downward into through the second inlet 2213 and partially downward into the third cone 2214. The third cone portion 2214 extends downwards through the first air passing portion 2225 and further extends downwards to partially enter the second cone portion 2226, the bottom surface of the third cone portion 2214 abuts downwards against the inner side wall of the second cone portion 2226 extending upwards to achieve sealing communication between the third cone portion 2214 and the second cone portion 2226, the top end of the first air passing portion 2225 abuts upwards against the outer wall of the third cone portion 2214, when the upper cone 221, the lower cone 222 and the cone cover 223 are assembled into a whole, the fixing column 2231 of the cone cover 223 penetrates downwards through the upper cone 221 and penetrates into the lower cone 222 to connect the upper cone 221, the lower cone 222 and the cone cover 223 in series, and the lower cone 222 and the fixing column 2231 are fixed together by screws to achieve fixing the upper cone 221, the lower cone 222 and the cone cover 223 together.

After the upper cone 221, the lower cone 222 and the cone cover 223 are fixed to each other, the upper cyclone cone 2211 and the upper air passing cone 2212 of the upper cone 221 surround the periphery of the fixed column 2231 at intervals, and the lower cyclone cone 2221 and the lower air passing cone 2222 of the lower cone 222 surround the periphery of the fixed column 2231 at intervals.

When the secondary separator 22 is installed in the primary separator 21, the upper cone 221 and the lower cone 222 of the secondary separator 22 are both accommodated downward inside the filter screen 213 of the primary separator 21, and a space for rotating air flow is left between the upper cone 221 and the filter screen 213 of the primary separator 21, and the cone cover 223 of the secondary separator 22 is covered on the upper end of the filter screen 213 of the primary separator 21, and sealing is achieved between the cone cover 223 and the upper end of the filter screen 213. The distance between the bottom of the lower cone 222 and the top of the upper cone 221 is approximately the same as the width distance of the filter screen 213 along the axis.

The maximum circumferential diameter of the upper cone 221 is substantially the same as the maximum circumferential diameter of the lower cone 222, wherein the maximum circumferential diameter of the upper cone 221 is formed by circumferentially surrounding the second air inlet portion 2213 and the second air passing portion 2215, the maximum circumferential diameter of the lower cone 222 is formed by circumferentially surrounding the first air inlet portion 2223 and the first air passing portion 2225, the upper cone 221 and the lower cone 222 abut against the inner circumference of the filter screen 213, and a large space is formed between the first air inlet portion 2223, the second air inlet portion 2213 and the filter screen 213, so that air can flow into the first air inlet portion 2223 and the second air inlet portion 2213. The direction of the airflow entering the first-stage separator 21 is the same as the direction of the airflow entering the first and second air inlet portions 2223 and 2213, so that turbulence is avoided.

After the lower cone 222 and the upper cone 221 are installed in the primary separator 21, the first air inlet portion 2223 of the lower cone 222 and the second air inlet portion 2213 of the upper cone 221 which are located at the end of the air flow guiding channel 216 along the air flow entering direction are sequentially arranged at intervals in an interval order, the air flow guiding channel 216 is arranged at a position close to the upper end of the primary separator 21, the air flow guiding channel 216 shields the filter screen 213 at the upper end, the second air inlet portion 2213 of the upper cone 221 is shielded by the air flow guiding channel 216, because the air flow is rotated around the counterclockwise direction when entering the primary cyclone space 210, the air flow is prevented from being directly sucked into the second air inlet portion 2213 closest to the air flow guiding channel 216 after exiting the air flow guiding channel 216 without any transition, wherein the angle formed by the end of the air flow guiding channel 216 and the cup body of the first air inlet portion 2223 of the lower cone 222 to the axis X of 1 is not more than 30 degrees, the angle formed by the end of the air flow guiding passage 216 and the entrance point of the second air inlet portion 2213 of the upper cone 221 to the axis X of the cup body 1 is not less than 45 degrees, and the angle formed between the entrance end to the end of the air flow guiding passage 216 and the axis X is not more than 120 degrees.

Dust gas is sucked into the cyclone separator 100 from the gas flow inlet 101, after the dust gas is subjected to cyclone filtration in the primary cyclone space 210, part of dust falls on the bottom of the cup body 1 in the rotary separation process, part of the dust gas passes through the filter screen 213 and enters the upper cone 221 and the lower cone 222 from the first and second gas inlet portions 2223 and 2213 respectively for secondary cyclone filtration, the filtered gas flow is discharged outwards through the discharged air filter HEPA 3 after passing through the discharged air column of the cone cover 223, the dust subjected to rotary filtration through the upper cone 221 and the lower cone 222 falls into the secondary dust storage portion 212, the lower end of the cup body 1 and the secondary dust storage portion 212 are sealed through the bottom wall 12, and when the bottom wall 12 is opened, the cup body 1 and the secondary dust storage portion 212 are opened outwards to realize dust dumping.

In the utility model, dust and air enters the filter screen 213 after being filtered by the primary cyclone, and is simultaneously sucked into the air flow through the first air inlet part 2223 and the second air inlet part 2213 which are arranged in a vertically staggered manner to carry out secondary cyclone separation, so that the air inlets can be arranged in a limited circumferential space as much as possible, the air inflow of the secondary separator 22 is increased, the separation efficiency of the cyclone separator 100 is improved, and the volume of the separation device 2 is reduced, so that the overall size of the cyclone separator 100 can be reduced, the market trend of light weight and miniaturization is met, moreover, the volume of the separation device 2 is reduced under the condition of not reducing the cup body 1, the ash storage amount of the cup body 1 can be increased, the service time of the cyclone separator 100 is prolonged, and frequent ash pouring is not needed.

In the patent of the present invention, the cyclone separator 100 is a device for separating dust and gas in a cleaning appliance, the application scope of the device is not limited to any type of cleaning appliance, and referring to fig. 16 to 19, the cyclone separator 100 can be used in any type of cleaning appliance, such as handheld type, gun type, vertical type, horizontal type and others, and will not be described in detail in this patent.

While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents. The above is only one embodiment of the present invention, and any other modifications based on the concept of the present invention are considered as the protection scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims (10)

1. A can practice thrift high efficiency cyclone in space which characterized in that: the method comprises the following steps: the cup body comprises a longitudinal axis, the separating device comprises a first-stage separator and a second-stage separator, the second-stage separator is arranged in the first-stage separator, the first-stage separator comprises a filter screen and an air flow guide channel arranged around the filter screen, the second-stage separator comprises an upper cone and a lower cone which are stacked up from top to bottom, the lower cone and the upper cone respectively comprise a plurality of first air inlet portions and a plurality of second air inlet portions, the first air inlet portions are used for air inlet after being separated from the filter screen, and the air flow guide channel is arranged at the upper end of the filter screen and shields part of the second air inlet portions.

2. A space-saving, high efficiency cyclone separator as recited in claim 1 wherein: the first air inlet part of the lower cone and the second air inlet part of the upper cone are alternately arranged at intervals in the circumferential direction and are arranged in a vertically staggered manner.

3. A space-saving, high efficiency cyclone separator as recited in claim 1 wherein: the upper cone body comprises a second air passing part which is arranged at intervals with the second air inlet part in the circumferential direction.

4. A space-saving, high efficiency cyclone separator as recited in claim 3 wherein: the lower cone comprises a first air passing part which is arranged at intervals with the first air inlet part in the circumferential direction.

5. A space-saving, high efficiency cyclone separator as recited in claim 4 wherein: the second air inlet portion is arranged above the first air passing portion along the axis of the cup body, and the second air passing portion is arranged above the first air inlet portion along the axis of the cup body.

6. A space-saving, high efficiency cyclone separator as recited in claim 1 wherein: the angle formed by the tail end of the airflow guide channel and the inlet point of the first air inlet part of the lower cone to the axis of the cup body is not more than 30 degrees.

7. A space-saving, high efficiency cyclone separator as recited in claim 1 wherein: the angle formed by the tail end of the airflow guide channel and the inlet point of the second air inlet part of the upper cone to the axis X of the cup body is not less than 45 degrees.

8. A space-saving, high efficiency cyclone separator as recited in claim 1 wherein: the angle formed between the inlet end to the tail end of the airflow guide channel and the axis of the cup body is not more than 120 degrees.

9. A space-saving, high efficiency cyclone separator as recited in claim 1 wherein: the cup body is provided with an airflow inlet for airflow to flow in, and the inlet end of the flow guide channel is also provided with a baffle plate capable of shielding the airflow inlet.

10. A cleaning appliance comprising a space efficient cyclonic separator as claimed in any one of claims 1 to 9.

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