CN215127979U - A cyclone separator and hand-held vacuum cleaner - Google Patents

Abstract

The utility model discloses a cyclone and hand-held type dust catcher, including the separator subassembly, the separator subassembly is at least including the separator of arranging a plurality of toper tube-shapes of lopping, adjacent two interconnect and form one whole between the separator, set up the orientation on the separator the wind-guiding muscle of the entry of separator, a wind-guiding inclined plane has on the wind-guiding muscle. The utility model provides a cyclone passes through the wind-guiding inclined plane on the wind-guiding muscle, can guide the fluid in the second grade wind channel in to the separator more effectively on the one hand for wind does not have obvious deceleration after reaching the wind-guiding inclined plane, avoids producing the vortex, and the noise abatement, and on the other hand can increase the air outlet area effectively, more does benefit to wind and gets into to the separator.

Description

Cyclone separator and handheld dust collector

Technical Field

The utility model relates to a dust catcher technical field especially relates to a cyclone and use this cyclone's hand-held type dust catcher.

Background

With the development of electronic technology, smart homes become more and more popular, and dust collectors enter common families. The handheld dust collector is small in size, does not need to be mopped or moved on the ground when in use, is convenient to use and is popular. A common handheld vacuum cleaner includes a suction conduit, a dirt cup, an airflow generating device, a cyclonic separator, and a dirt collection mechanism.

In the existing design, the cyclone separator comprises a filter screen and a conical separator, the filter screen is sleeved on the separator, air sucked by a suction pipeline directly enters the outside of the separator through the filter screen and then enters the separator to separate the air and dust, and finally the dust falls into the bottom of the separator so as to fall into a dust collecting mechanism. However, in the prior art, since the air directly enters the outside of the separator through the filter screen, the flow direction of the air is disordered after the air enters the outside of the separator, and there is no definite and relatively single flow direction, so that the wind speed is limited, and the efficiency of separating the dust and the gas is further affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cyclone of hand-held vacuum cleaner and hand-held vacuum cleaner to overcome prior art's not enough.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model discloses a cyclone separator, including the separator subassembly, the separator subassembly is at least including the separator of arranging a plurality of toper tube-shapes of lopping, adjacent two interconnect forms one whole between the separator, set up the orientation on the separator the wind-guiding muscle of the entry of separator, a wind-guiding inclined plane has on the wind-guiding muscle.

Preferably, the air guide slope has a set radian.

Preferably, the separator assembly naturally forms a plurality of conical protrusions with conical surfaces on the periphery, a guide air duct is formed between every two adjacent conical protrusions, and the air guide inclined plane is located at the end of the guide air duct.

Preferably, a first acceleration air duct is arranged at an inlet of the separator, the air guide inclined plane faces to an inlet of the acceleration air duct, and a sectional area of the inlet of the first acceleration air duct is larger than a sectional area of an outlet of the first acceleration air duct.

Preferably, the cyclone separator further comprises a first cyclone stage, the separator assembly serves as a second cyclone stage, the second cyclone stage is located at the downstream of the first cyclone stage, the first cyclone stage comprises a transition connecting portion and an air inlet net sleeve, the transition connecting portion is connected with the separators, the transition connecting portion is communicated with the separators, the outer surface of the transition connecting portion protrudes outwards to form a plurality of arc bulges, the arc bulges are connected with the cone bulges in a one-to-one correspondence mode, a primary air duct for guiding air is formed between every two adjacent arc bulges, the guide air duct serves as a secondary air duct and is communicated with the primary air duct in a one-to-one correspondence mode, and the air inlet net sleeve is arranged on the transition connecting portion in a sleeved mode.

The utility model also discloses a hand-held type dust catcher, including foretell cyclone, suction line, dirt cup, air current generating device and with the dirt room that falls of cyclone intercommunication, cyclone and the dirt room that falls are located in the dirt cup.

Compared with the prior art, the utility model has the advantages that at least:

1) the utility model provides a cyclone passes through the wind-guiding inclined plane on the wind-guiding muscle, can guide the fluid in the second grade wind channel in to the separator more effectively on the one hand for wind does not have obvious deceleration after reaching the wind-guiding inclined plane, avoids producing the vortex, and the noise abatement, and on the other hand can increase the air outlet area effectively, more does benefit to wind and gets into to the separator.

2) The sectional area of the inlet of the accelerating air channel is larger than that of the outlet of the accelerating air channel, so that the fluid has higher wind speed at the outlet of the accelerating air channel than at the inlet of the accelerating air channel, dust carried in the airflow obtains larger movement potential energy, and the dust is more favorably separated from the air in the separator.

3) The utility model provides a cyclone can separate the fluid according to the preface guide to the separator through one-level wind channel and second grade wind channel for the wind speed of separation has improved the efficiency of separation.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a front view of a cyclone separator of a handheld vacuum cleaner according to an embodiment of the present invention;

fig. 2 is a front view of a cyclone separator of a handheld vacuum cleaner (excluding a dust cup) according to an embodiment of the present invention;

fig. 3 is a top view of a cyclone separator of a handheld vacuum cleaner according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A;

fig. 5 is a schematic structural diagram of a cyclone separator provided in an embodiment of the present invention;

fig. 6 is a schematic partial structural diagram of a cyclone separator according to an embodiment of the present invention;

fig. 7 is a schematic partial structural diagram of a cyclone separator according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a separator according to an embodiment of the present invention;

fig. 9 is a side view of a cyclone separator according to an embodiment of the present invention;

FIG. 10 is a cross-sectional view at B-B of FIG. 9;

fig. 11 is a front view of a cyclone separator according to an embodiment of the present invention;

fig. 12 is a cross-sectional view at C-C of fig. 11.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, an embodiment of the present invention discloses a handheld vacuum cleaner, which includes a cyclone separator a, a suction pipe b, a dust cup c, an airflow generating device d, and a dust falling chamber e communicated with the cyclone separator a, wherein the cyclone separator a and the dust falling chamber e are disposed in the dust cup c. The airflow generating device d generates suction force, fluid (mixed dust, dirt and air) enters the dust cup c from the suction pipeline b, large-particle dirt is left in the dust cup c, the dust and the air enter the cyclone separator a for separation, the separated dust enters the dust falling chamber e from the cyclone separator a for collection, clean air exits the cyclone separator a through the outlet and is discharged out of the dust collector, the cover on the dust cup c is opened, and the dirt in the dust cup c and the dust in the dust falling chamber e are poured out.

Referring to fig. 1 to 12, a cyclone separator a includes a first cyclone stage 1 and a second cyclone stage 2, the second cyclone stage 2 is located at the downstream of the first cyclone stage 1, the second cyclone stage 2 at least includes a plurality of separators 21 arranged in a circle, two adjacent separators 21 are connected with each other, the plurality of separators 21 are connected with each other to form a whole, because the plurality of separators 21 are in a tapered cylindrical structure, a plurality of tapered protrusions 22 with tapered surfaces are naturally formed at the periphery of the second cyclone stage 2, a secondary air duct 23 is formed between each two adjacent tapered protrusions 22, and the first cyclone stage 1 and the secondary air duct 23 are used for sequentially guiding the entering fluid to the separators 21 for separation.

The separator 21 is a conical cylindrical structure, and is in the shape of a common separator 21, the inside of the separator 21 is called as a cyclone chamber 211, dirty fluid enters the cyclone chamber through an inlet of the separator 21 and rotates above the cyclone chamber, dust falls below the cyclone chamber under the action of centrifugal force, clean air is discharged from an overflow port 212, and finally the clean air is discharged out of the cyclone separator a.

First cyclone level 1 includes air inlet net cover 11 and transition connecting portion 12, transition connecting portion 12 and a plurality of separators 21 be connected, the inside and a plurality of separators 21 intercommunication of transition connecting portion 12, the outside protrusion of surface of transition connecting portion 12 forms many arcs and protrudes 121, many arcs are protruding 121 and a plurality of awl archs 22 one-to-one are connected, form one-level wind channel 122 between two adjacent arcs and protrude 121, one-level wind channel 122 and second grade wind channel 23 one-to-one intercommunication, air inlet net cover 11 overlaps and locates on transition connecting portion 12. The air inlet net 11 plays a role of filtering large particle dirt, the large particle dirt is retained in the dust cup c, and the small particle dirt enters the cyclone a.

The cyclone separator a provided by the embodiment of the present invention can guide the fluid to the separator 21 in sequence for separation through the primary air channel 122 of the first cyclone stage 1 and the secondary air channel 23 of the second cyclone stage 2, so as to accelerate the wind speed and improve the separation efficiency; the separator 21 is conical in structure, conical protrusions 22 are naturally formed on the surface of the separator, and secondary air channels 23 are formed between adjacent conical protrusions 22, so that fluid can orderly enter the separator 21 without adding an additional structure; transition connecting portion 12 outwards bulges at its surface and forms many arcs protruding 121, forms one-level wind channel 122 between two adjacent arcs protruding 121, and one-level wind channel 122 plays preliminary guide's effect for fluid gets into to second grade wind channel 23 in an orderly manner, and then can flow downstream more in an orderly manner behind the second grade wind channel 23, avoids gaseous direct outside that gets into to separator 21 by air inlet net cover 11, has further improved the orderly mobile ability of air current.

The transition connection portion 12 includes a cylindrical structure, the interior of which communicates with the plurality of separators 21, and the outer circumferential surface of which is further formed with a plurality of arc protrusions 121 protruding outward, and the length of the arc protrusions 121 is preferably set to be equal to the length of the cylindrical structure. The tubular structure is simple in design, the interior of the tubular structure is communicated with the separator 21, and dust can be guided to enter the dust falling chamber e for collection.

The cyclone separator a of the handheld dust collector also comprises a multi-cone bracket 3, and a plurality of separators 21 are arranged in the multi-cone bracket 3. The multi-cone support 3 serves to support and fix the plurality of separators 21, and the multi-cone support 3 is located outside the separators 21, i.e., around the outside of the separators 21, so that the secondary air duct 23 is a closed air duct, and thus fluid flows in order in the secondary air duct 23.

The periphery of the multi-cone bracket 3 forms an arc air inlet channel 31 for guiding fluid to enter, the arc air inlet channel is communicated with the air inlet net sleeve 11, and the fluid enters the primary air channel 122 and the secondary air channel 23 through the arc air inlet channel. Specifically, the arc air inlet duct 31 on the multi-cone support 3 is communicated with the air outlet of the air suction channel, so that fluid can be guided into the cyclone separator a. Set up arc air inlet duct 31, can be so that the fluid in the pipeline of breathing in b gets into when cyclone a, flow along the arc orbit round arc inlet duct earlier, also be about the periphery flow half cycle round many awl support 3 about, then the fluid gets into to the gauze 11 that admits air, and the gauze 11 that admits air plays prefilter's effect for dust and air admission to transition connecting portion 12.

The tail end parts of the conical protrusions 22 of two adjacent separators 21 are provided with guide ribs 4, each guide rib is provided with a guide inclined surface 41, each guide inclined surface 41 is located at the end of each secondary air channel 23, the tail end of each guide inclined surface 41 faces the inlet of each separator 21, and each guide inclined surface 41 is used for guiding fluid into each separator 21 from the end of each secondary air channel 23. Through wind-guiding inclined plane 41, can guide the fluid in the secondary air duct 23 in to separator 21 more effectively on the one hand for wind does not have obvious deceleration after reaching wind-guiding inclined plane 41, avoids producing the vortex, and the noise reduction, and on the other hand can increase the air outlet area effectively, more does benefit to the wind and gets into separator 21. The air guide inclined plane 41 preferably has a set radian, so that a better guiding effect can be achieved, noise is further reduced, vortex is avoided, and the wind speed is increased.

The inlet of the separator 21 is provided with a first acceleration air duct 5, the air guide inclined surface 41 faces the inlet of the acceleration air duct, and the cross-sectional area of the inlet 51 of the first acceleration air duct 5 is larger than that of the outlet 52 of the first acceleration air duct 5.

The outer shell piece forming the first accelerating channel and the shell forming the separator are integrally arranged, the air guide ribs and the outer shell piece forming the first accelerating channel are integrally arranged, and the air guide inclined surface of the air guide rib connected with the last outer shell piece forming the first accelerating channel faces the next first accelerating channel in the clockwise direction.

The sectional area of the inlet of the acceleration air channel is larger than that of the outlet of the acceleration air channel, so that the fluid has higher wind speed at the outlet of the acceleration air channel than at the inlet of the acceleration air channel, dust carried in the airflow obtains larger movement potential energy, and the dust is more favorably separated from the air in the separator 21. The first acceleration duct 5 is a tangential passage, which facilitates the entry of fluid into the separator 21.

The second cyclone stage 2 further comprises a plurality of intermediate separators 22 arranged between the plurality of separators 21, the intermediate separators 22 being interconnected with the separators 21, the intermediate separators 22 being provided at their inlets with second acceleration ducts 6, and the second acceleration ducts 6 being in convergent communication with the first acceleration ducts 5 adjacent thereto, both having the same inlet. The arrangement of the middle separator 22, and the second acceleration air flue 6 of the middle separator 22 and the first acceleration air flue 5 of the edge separator 21 share the inlet 7, can ensure that the middle separator 22 has enough air inflow and definite air inlet direction, fully utilize the central space, increase the number of separators 21 and improve the separation efficiency.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A cyclone separator, characterized in that it comprises a separator assembly, and the separator assembly at least comprises a plurality of conical cylindrical separators arranged in a circle, and the adjacent two separators are mutually Connected to form a whole, the separator is provided with an air guide rib facing the inlet of the separator, and the air guide rib has an air guide slope. 2 . The cyclone separator according to claim 1 , wherein the wind guiding inclined surface has a set arc. 3 . 3 . The cyclone separator according to claim 1 , wherein a plurality of conical protrusions with conical surfaces are naturally formed on the outer periphery of the separator assembly, and every two adjacent conical protrusions are formed. 4 . A guide air duct is formed therebetween, and the air guide slope is located at the end of the guide air duct. 4 . The cyclone separator according to claim 1 , wherein a first accelerating air duct is provided at the entrance of the separator, the air guiding inclined surface faces the entrance of the accelerating air duct, and the The cross-sectional area of the inlet of the first acceleration air passage is larger than the cross-sectional area of the outlet of the first acceleration air passage. 5 . The cyclone separator according to claim 3 , wherein the cyclone separator further comprises a first cyclone stage, the separator assembly serves as a second cyclone stage, and the second cyclone stage is located in the Downstream of the first cyclone stage, the first cyclone stage includes a transition connection part and an air inlet net cover, the transition connection part is connected with the plurality of separators, and the interior of the transition connection part is connected with the plurality of separators. The two separators are connected to each other, the outer surface of the transition connecting part protrudes outward to form a plurality of arc protrusions, and the plurality of arc protrusions are connected with the plurality of conical protrusions in one-to-one correspondence. A primary air duct for guiding air is formed between the arc convexes, and the guiding air duct is connected with the primary air duct as a secondary air duct in a one-to-one correspondence, and the air intake mesh is sleeved on the transition connection portion. 6. A hand-held vacuum cleaner, characterized in that it comprises the cyclone separator described in any one of claims 1-5, a suction duct, a dust cup, an airflow generating device, and a dust chamber communicating with the cyclone separator. , the cyclone separator and the dust chamber are arranged in the dust cup.

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