JP2011212172A - Cyclone separator and vacuum cleaner - Google Patents

Abstract

【Task】
Provided are a cyclone separation device that efficiently separates dust and generates low vibration noise caused by vibrations when dust-containing air swirls in a swirl chamber, and a vacuum cleaner equipped with the cyclone separation device.
[Solution]
The secondary swirl chamber 22 separates dust from the dust-containing air by swirling the dust-containing air flowing from the secondary inlet 21, and the dust is removed from the secondary discharge pipe 26 through the secondary discharge port 25. Exhaust air. By providing a vibration-proof rib 56 that stands on the inner wall of the secondary discharge pipe 26 and is formed along the longitudinal direction from the root of the secondary discharge pipe 26, the dust-containing air is contained in the secondary swirl chamber 22. The vibration of the secondary discharge pipe 26 caused by the vibration when turning is reduced.
[Selection] FIG.

Description

  The present invention relates to a cyclone separator and a vacuum cleaner equipped with the cyclone separator.

In a general cyclone separator, dusty air flowing in from an inlet is separated into dust and clean air by centrifugal force in a swirl chamber. The dust thus separated is captured in the dust collection chamber, and the clean air is discharged from the cyclone separator through the discharge pipe. At this time, the clean air discharged to the outside through the discharge pipe causes turbulent flow in the discharge pipe, and noise is generated from the discharge pipe due to interference of the turbulent flow.
In response to this problem, a technique aimed at suppressing turbulent flow in the discharge pipe is disclosed. For example, Patent Literature 1 discloses a noise reduction rib that protrudes from the inner wall of the discharge pipe toward the center and includes a curved portion and a straight portion. Patent Document 2 discloses that the amount of noise generated by vortices in the discharge pipe is reduced by a plurality of grooves formed on the inner surface of the discharge pipe and extending in the same direction as the longitudinal axis. .

JP 2006-55622 A (pages 4-8, FIG. 4) JP-T-2007-501116 (pages 5-7, FIG. 3)

  However, in the prior art disclosed in Patent Documents 1 and 2 above, measures against noise generated from the cyclone separator are insufficient. That is, there has been a problem that vibration noise is generated due to vibration when the dust-containing air swirls in the swirl chamber.

The present invention has been made to solve the above-described problems, and a cyclone separation device capable of reducing vibration noise caused by vibration when dust-containing air swirls in a swirl chamber, and the cyclone. It aims at providing the vacuum cleaner carrying a separation device.

The cyclone separator according to the present invention is formed in a substantially cylindrical shape with an inflow port through which dust-containing air from an external air passage flows, and the inflow port is formed in a tangential direction on a side wall of the inflow port and flows from the inflow port. A swirling chamber that swirls dust-containing air to separate air and dust, a dust collection chamber that communicates with the swirling chamber and stores dust separated from the dust-containing air, and is separated from the dust-containing air in the swirling chamber. A discharge port that discharges air; a blower that creates suction; and a discharge pipe that is formed by projecting the blower and the discharge port from the wall surface of the swirl chamber into the swirl chamber; Anti-vibration ribs are provided on the inner wall of the discharge pipe and prevent vibrations of the discharge pipe due to the swirling of the dust-containing air at least at a connecting portion with the swirl chamber of the discharge pipe.

  According to the cyclone separation device and the vacuum cleaner according to the present invention, by adopting the above-described configuration, it is possible to reduce vibration noise caused by vibration when the dust-containing air swirls in the swirl chamber.

It is an external appearance perspective view of the vacuum cleaner which shows Embodiment 1 of this invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a vacuum cleaner main body of an electric vacuum cleaner showing Embodiment 1 of the present invention. It is a top view of the cleaner body of the vacuum cleaner which shows Embodiment 1 of this invention. It is aa sectional drawing of the vacuum cleaner main body of the vacuum cleaner which shows Embodiment 1 of this invention. It is bb sectional drawing of the vacuum cleaner main body of the vacuum cleaner which shows Embodiment 1 of this invention. It is a top view of the vacuum cleaner main body of the state which removed the dust collection unit of the vacuum cleaner which shows Embodiment 1 of this invention. It is an external appearance perspective view of the dust collection unit of the vacuum cleaner which shows Embodiment 1 of this invention. It is a front view of the dust collection unit of the vacuum cleaner which shows Embodiment 1 of this invention. It is a left view of the dust collection unit of the vacuum cleaner which shows Embodiment 1 of this invention. It is a top view of the dust collection unit of the electric vacuum cleaner which shows Embodiment 1 of this invention. It is AA sectional drawing of the dust collection unit of the vacuum cleaner of FIG. 8 which shows Embodiment 1 of this invention. It is BB sectional drawing of the dust collection unit of the vacuum cleaner of FIG. 8 which shows Embodiment 1 of this invention. It is CC sectional drawing of the dust collection unit of the vacuum cleaner of FIG. 10 which shows Embodiment 1 of this invention. It is DD sectional drawing of the dust collection unit of the vacuum cleaner of FIG. 13 which shows Embodiment 1 of this invention. It is EE sectional drawing of the dust collection unit of the vacuum cleaner of FIG. 13 which shows Embodiment 1 of this invention. It is FF sectional drawing of the dust collection unit of the vacuum cleaner of FIG. 13 which shows Embodiment 1 of this invention. It is FF sectional drawing of the dust collection unit of the vacuum cleaner of FIG. 13 which shows Embodiment 2 of this invention. It is BB sectional drawing of the dust collection unit of the vacuum cleaner of FIG. 8 which shows Embodiment 2 of this invention. It is FF sectional drawing of the dust collection unit of the vacuum cleaner of FIG. 13 which shows Embodiment 3 of this invention. It is BB sectional drawing of the dust collection unit of the vacuum cleaner of FIG. 8 which shows Embodiment 3 of this invention. It is FF sectional drawing of the dust collection unit of the vacuum cleaner of FIG. 13 which shows Embodiment 4 of this invention. It is BB sectional drawing of the dust collection unit of the vacuum cleaner of FIG. 8 which shows Embodiment 5 of this invention. It is BB sectional drawing of the dust collection unit of the vacuum cleaner of FIG. 8 which shows Embodiment 6 of this invention. It is a perspective view at the time of garbage disposal of the dust collection unit concerning this invention. It is an exploded view of the dust collection unit concerning this invention.

  A vacuum cleaner equipped with a cyclone separator according to an embodiment of the present invention will be described below with reference to the drawings.

Embodiment 1 FIG.
FIG. 1 is a perspective view showing an appearance of a vacuum cleaner according to the present invention. As shown in FIG. 1, the vacuum cleaner 100 includes a suction port body 1, a suction pipe 2, a connection pipe 3, a suction hose 4, and a cyclone-type vacuum cleaner body 5. The suction inlet 1 sucks in dust and air containing dust on the floor. One end of a straight cylindrical suction pipe 2 is connected to the outlet side of the suction port body 1. The other end of the suction pipe 2 is provided with a handle in which an operation switch for controlling the operation of the vacuum cleaner 100 is provided, and one end of the connection pipe 3 that is slightly bent in the middle is connected. One end of a flexible bellows-shaped suction hose 4 is connected to the other end of the connection pipe 3. Furthermore, the vacuum cleaner body 5 is connected to the other end of the suction hose 4. A power cord is connected to the cleaner body 5. When the power cord is connected to an external power source, electricity is supplied, and an electric blower (not shown) is driven to perform a suction operation. The suction port body 1, the suction pipe 2, the connection pipe 3, and the suction hose 4 constitute a part of a suction path for allowing dust-containing air to flow from the outside to the inside of the cleaner body 5.

FIG. 2 is a perspective view of the cleaner body 5, and FIG. 3 is a top view of the cleaner body 5. 4 is an aa cross-sectional view of the cleaner body 5 of FIG. 3, and FIG. 5 is a bb cross-sectional view of the cleaner body 5 of FIG. FIG. 6 is a top view of the cleaner body 5 with the dust collection unit 50 removed.
As shown in FIGS. 2 to 6, the vacuum cleaner body 5 includes a suction air passage 49, a dust collection unit 50, an exhaust air passage 51, a filter 52, an electric blower 53, and an exhaust port 54. I have. In addition, the vacuum cleaner main body 5 includes a wheel 55, a cord reel portion (not shown), and the like at the rear portion thereof. The dust collection unit 50 includes a primary cyclone separator 10 and a secondary cyclone separator 20 that is provided in parallel with the primary cyclone separator 10 and connected to the downstream side of the primary cyclone separator 10. Yes.
Although the configuration, operation, and effect of each part will be described later, the primary cyclone separator 10 includes a primary inlet 11, a primary swirl chamber 12, a zero-order opening 113, a primary opening 13, and a zero-order. A dust collection chamber 114, a primary dust collection chamber 14, a primary discharge port 15, and a primary discharge pipe 16 are provided. Further, the secondary cyclone separator 20 includes a secondary inlet 21, a secondary swirl chamber 22, a secondary opening 23, a secondary dust collection chamber 24, a secondary discharge port 25, and a secondary discharge pipe 26. And. The zero-order dust collection chamber 114, the primary dust collection chamber 14, and the secondary dust collection chamber 24 described above are formed by a single case component, and the zero-order dust collection chamber 114 includes the secondary dust collection chamber 24. It is arranged to surround.
The secondary cyclone separator 20 is the cyclone separator as defined in the claims, the secondary inlet 21 is the inlet as defined in the claims, the secondary swirl chamber 22 is the swirl chamber as defined in the claims, The secondary discharge port 25 corresponds to the discharge port in the claims, the secondary discharge pipe 26 corresponds to the discharge tube in the claims, and the secondary dust collection chamber 24 corresponds to the dust collection chamber in the claims.

Here, the path | route which discharges the air which flowed in the inside of the cleaner body 5 out of the cleaner body 5 is demonstrated (refer FIGS. 2-6).
The air flowing into the cleaner body 5 reaches the primary cyclone separator 10 via the intake air passage 49. In the primary cyclone separator 10, the primary inlet 11, the primary swirl chamber 12, and the primary outlet 15 flow in this order, and the air discharged from the primary outlet 15 passes through the primary outlet 16 and the secondary cyclone separator. Reach 20 In the secondary cyclone separator 20, the secondary inlet 21, the secondary swirl chamber 22, and the secondary outlet 25 flow in this order, and the air discharged from the secondary outlet 25 passes through the secondary outlet 26. Then, it flows to the exhaust air passage 51 side. After that, the air is configured to be discharged to the outside of the cleaner body 5 through an exhaust path including the exhaust air path 51, the filter 52, the electric blower 53, and the exhaust port 54.
Since the secondary cyclone dust collector 20 is installed at a downstream position of the primary cyclone dust collector 10, the secondary cyclone dust collector 20 collects garbage that could not be collected by the primary cyclone dust collector 10. The collection performance as the dust collection unit 50 can be improved, and the air discharged from the cleaner body 5 can be further purified.

Next, the detailed structure of the primary cyclone separator 10 and the secondary cyclone separator 20 which comprise the dust collection unit 50 is demonstrated.
FIG. 7 is a perspective view showing the appearance of the dust collection unit 50, and FIG. 8 is a front view of the dust collection unit 50. FIG. 9 is a left side view of the dust collection unit 50, and FIG. 10 is a top view of the dust collection unit 50. 11 is a cross-sectional view taken along the line AA of the dust collection unit 50 in FIG. 8, FIG. 12 is a cross-sectional view taken along the line BB of the dust collection unit 50 in FIG. 8, and FIG. 14 is a DD cross-sectional view of the dust collection unit 50 of FIG. 13, FIG. 15 is a cross-sectional view of the dust collection unit 50 of FIG. 13 taken along the line EE, and FIG. It is F sectional drawing.

First, the configuration of the primary cyclone separator 10 will be described with reference to FIGS. 11, 14, 15, 16 and 17.
The primary cyclone separating apparatus 10 is configured such that the primary inlet 11 that takes in the dust-containing air from the intake air passage 49 and the primary inlet 11 that is connected to the primary inlet 11 in a substantially tangential direction swirl the dust-containing air introduced from the primary inlet 11. The swirl chamber 12 is provided, and the intake air flowing in from the primary inflow port 11 is swirled to separate dust, and then the intake air is discharged from the primary discharge port 15. In addition, a primary discharge pipe 16 that guides the exhaust from the primary discharge port 15 to the secondary cyclone separator 20 is provided.
Further, the primary discharge pipe 16 is disposed so as to protrude into the primary swirl chamber 12 so that the axis of the primary swirl chamber 12 and the axis thereof are substantially aligned, and the side wall of the projecting portion has a substantially cylindrical shape having a large number of fine holes. The cylindrical body 16b and a substantially conical cone body 16a having a large number of fine holes, and the primary discharge port 15 is constituted by the fine holes.
Further, the side wall of the primary swirl chamber 12 is constituted by a substantially cylindrical cylindrical portion 12b and a substantially conical cone portion 12a. Further, a zero-order opening 113 formed by opening a part of the cylindrical part 12 b, a primary opening 13 formed by opening a part of the conical part 12 a, and a primary through the zero-order opening 113. A zero-order dust collection chamber 114 that communicates with the swirl chamber 12 and a primary dust collection chamber 14 that communicates with the primary swirl chamber 12 via the primary opening 13 are provided. Further, the zero-order opening 113 is formed at a position lower than the primary inlet 11.

An outline of the operation of the primary cyclone separator 10 will be described.
When the primary cyclone separating apparatus 10 takes in the dust-containing air from the primary inlet 11 through the intake air passage 49, the dust-containing air flows along the side wall of the primary swirl chamber 12, and thus becomes a swirl airflow. While forming a forced vortex region near the central axis and a quasi-free vortex region on the outer periphery thereof, it flows downward due to its path structure and gravity. At this time, since the centrifugal force acts on the dust, for example, wastes having a relatively large size and specific gravity (hereinafter referred to as “garbage A”) such as hair, bag, sand (relatively large sand) or the like are contained in the primary swirl chamber 12. It is pressed against the inner wall and separated from the intake air, and is trapped and accumulated in the zero-order dust collection chamber 114 through the zero-order opening 113. Further, the remaining dust travels downward in the primary swirl chamber 12 on the descending swirl flow. Thereby, cotton dust and fine sand dust (hereinafter referred to as “garbage B”) that is light and easy to ride in the airflow are sent into the primary dust collection chamber 14 through the primary opening 13, and further, wind pressure Is driven above the primary dust collection chamber 14, where it accumulates and is compressed. The air from which the waste A and the waste B are removed rises along the central axis of the primary swirl chamber 12 and is discharged from the primary discharge port 15. The air discharged from the primary discharge port 15 passes through the primary discharge pipe 16 and is guided to a secondary cyclone separator described later.

Next, the configuration of the secondary cyclone separator 20 will be described with reference to FIGS. 12, 13, and 16.
The secondary cyclone separator 20 is formed in a substantially cylindrical shape with a secondary inlet 21 through which dust-containing air from the outside flows, and the secondary inlet 21 communicates in a tangential direction and flows from the secondary inlet 21. The secondary swirl chamber 22 that swirls the dust-containing air to separate the air and dust, the secondary discharge port 25 that discharges the air separated from the dust-containing air in the secondary swirl chamber 22, and the dust-containing air A secondary dust collection chamber 24 that captures the separated dust and a secondary opening 23 that communicates the secondary dust collection chamber 24 and the secondary swirl chamber 22 are provided. Further, the secondary cyclone separating device 20 opens a part of the wall surface of the secondary swirl chamber 22 and projects a secondary discharge pipe 26 from the opening into the secondary swirl chamber 22. The tip opening of the pipe 26 is used as the secondary discharge port 25, and the electric blower 53 and the secondary swirl chamber 22 communicate with each other. The side wall of the secondary swirl chamber 22 includes a substantially cylindrical secondary cylindrical portion 22b and a substantially conical secondary cone portion 22a.

An outline of the operation of the secondary cyclone separator 20 will be described.
When the secondary cyclone separator 20 takes in the dust-containing air discharged from the primary discharge pipe 16 from the secondary inlet 21, the dust-containing air flows along the side wall of the secondary swirl chamber 22, and thus becomes a swirling airflow. Then, while forming a forced vortex region near the central axis and a quasi-free vortex region on the outer periphery thereof, it flows downward due to its path structure and gravity. At this time, since the centrifugal force acts on the dust, the dust that could not be captured by the primary cyclone separating apparatus 10 is pressed against the inner wall of the secondary swirl chamber 22 and separated from the intake air, and then rides on the descending swirl flow to the secondary After proceeding below the swirl chamber 22, it is collected in the secondary dust collection chamber 24 through the secondary opening 23. The air from which the dust has been removed rises along the central axis of the secondary swirl chamber 22 and is discharged from the secondary discharge port 25. The air discharged from the secondary discharge port 25 is guided to the exhaust air passage 51 through the secondary discharge pipe 26.

Therefore, as shown in FIGS. 12, 13, and 16, the opening of the wall surface of the secondary swirl chamber 22 on the inner wall of the secondary discharge pipe 26, that is, the connecting portion between the secondary discharge pipe 26 and the secondary swirl chamber 22. Anti-vibration ribs 56 are formed so as to stand in the longitudinal direction from the secondary discharge port 25 toward the secondary discharge port 25.

  Thus, since the strength of the secondary discharge pipe 26 is increased by providing the anti-vibration rib 56 along the longitudinal direction from the connecting portion of the secondary discharge pipe 26 to the secondary swirl chamber 22, the secondary inlet 21. The dust-containing air that has flowed into the secondary swirl chamber 22 from the secondary swirl chamber 22 while contacting or colliding with the outer wall of the secondary discharge pipe 26 and the inner wall of the secondary swirl chamber 22. It is possible to suppress the vibration of the secondary discharge pipe 26 due to the contact / collision, and as a result, the vibration noise of the secondary discharge pipe 26 can be reduced.

In addition, as shown in FIG. 16, the vibration isolation ribs 56 may be erected in a direction substantially perpendicular to the direction (tangential direction) in which the secondary inlet 21 communicates with the secondary swirl chamber 22.

As shown in FIG. 17, since the flow velocity of the dust-containing air is large at the position where the dust-containing air flows in the tangential direction from the secondary inlet 21, the secondary discharge pipe 26 tends to vibrate from the position toward the diameter direction. That is, the secondary discharge pipe 26 tends to vibrate in a direction substantially perpendicular to the tangential direction. Therefore, the vibration noise of the secondary discharge pipe 26 can be more efficiently reduced by providing the vibration isolation ribs 56 in the above-described direction.

Embodiment 2. FIG.
18 and 19 are enlarged cross-sectional views of main parts for explaining the vibration-isolating rib according to the second embodiment. 18 is an enlarged view of the secondary discharge pipe 26 portion of the BB cross-sectional view of FIG. 2, and FIG. 19 is an enlarged view of the secondary discharge pipe 26 portion of the FF cross-sectional view of FIG. As shown in FIGS. 18 and 19, the anti-vibration rib 56 is provided at a position on the secondary inlet 21 side with the inner end thereof being a free end.

  By adopting the above-described configuration, the volume occupied by the anti-vibration ribs 56 in the secondary discharge pipe 26 is reduced, and the air passage volume in the secondary discharge pipe 26 is ensured to be large. While suppressing the pressure loss by reducing the wind speed, it is possible to reduce the vibration at the position on the secondary inlet 21 side where the vibration is large in the secondary discharge pipe 26 to suppress the generation of vibration noise.

Embodiment 3 FIG.
Further, as shown in FIGS. 20 and 21, the anti-vibration rib 56 has a pair of ribs formed so that the inner end thereof is a free end and is erected so as to face the diameter direction of the secondary discharge pipe 26. It is good. 20 and 21 show the anti-vibration rib portion of the third embodiment. FIG. 20 is an enlarged view of the BB cross section of FIG. 2, and FIG. 21 is an enlarged view of the FF cross section of FIG. It is.

  By adopting the above-described configuration, the volume occupied by the anti-vibration ribs 56 in the secondary discharge pipe 26 is reduced, and the air passage volume in the secondary discharge pipe 26 is ensured to be large. While suppressing the pressure loss by reducing the wind speed, it is possible to further reduce the vibration at the position on the secondary inlet 21 side where the vibration is large in the secondary discharge pipe 26 to suppress the generation of vibration noise.

Embodiment 4 FIG.
Further, as shown in FIG. 22, the anti-vibration rib 56 has a free end at its inner end and is erected inward so that the height at the connecting portion 12 of the secondary discharge pipe 26 is the highest. You may comprise so that it may become. FIG. 22 shows the vibration-isolating rib portion of the fourth embodiment, and is an enlarged cross-sectional view taken along the line BB of FIG.

  By adopting the above-described configuration, the volume occupied by the anti-vibration ribs 56 in the secondary discharge pipe 26 is reduced, and the air passage volume in the secondary discharge pipe 26 is ensured to be large. While suppressing the pressure loss by reducing the wind speed, it is possible to secure the strength of the root that is the starting point of the secondary discharge pipe 26 and further reduce the vibration of the secondary discharge pipe 26 to suppress the generation of vibration noise. .

Embodiment 5 FIG.
Further, as shown in FIG. 23, the anti-vibration rib 56 is provided only in the vicinity of the connecting portion of the secondary discharge pipe 26 with the secondary swirl chamber 22, that is, in a portion excluding a part of the vicinity of the secondary discharge port 25. It may be. FIG. 23 shows the anti-vibration rib portion of the fifth embodiment, and is an enlarged cross-sectional view taken along the line BB of FIG.

  With the above configuration, the air flow in the secondary discharge pipe 26 rectified by the vibration-isolating rib 56 suppresses the collection performance deterioration without affecting the swirl flow in the secondary swirl chamber 22. be able to.

  10, 12, and 16, the secondary discharge pipe 26 has a bent portion that is bent substantially at a right angle after being pulled out in the axial direction of the secondary swirl chamber 22, and You may comprise so that the discharge direction of air may correspond with the standing-up direction of the anti-vibration rib 56 substantially.

  By adopting the above-described configuration, it is possible to reduce the wind path pressure loss in the secondary discharge pipe 26 by providing the anti-vibration rib 56 in a direction that does not interfere with the bending flow of the air discharged from the secondary discharge port 25. .

  Further, as shown in FIG. 25, the secondary swirl chamber body 57 that forms the secondary swirl chamber 22 and the secondary discharge pipe 26 may be integrally configured. FIG. 25 is an exploded view of the dust collection unit 50 according to the present invention.

  Since the vibration of the secondary discharge pipe 26 can be reduced by the vibration isolating rib 56 described above, it is possible to suppress vibration noise even if the secondary swirl chamber 22 and the secondary discharge pipe 26 are integrally formed. The structure can be simplified.

  Further, as shown in FIG. 13, an angle R may be provided at a portion where the outer wall of the secondary discharge pipe 26 and the inner wall of the secondary swirl chamber 22 abut.

  With the above configuration, the vibration of the secondary discharge pipe 26 is synergistic with the vibration suppression effect of the secondary discharge pipe 26 by the above-described anti-vibration rib 56 and the vibration suppression effect of the secondary discharge pipe 26 by the angle R. Can be further reduced to suppress the generation of vibration noise.

Further, as shown in the present embodiment, the dust collecting unit 50 including the primary cyclone separator 10 and the secondary cyclone separator 20 is mounted on the vacuum cleaner 100, so that dust is reliably separated from the dust-containing air. In addition, noise can be suppressed. Therefore, since the filter is not used or the number of filters can be reduced, it is possible to provide the electric vacuum cleaner 100 in which the filter is less likely to be clogged and the air volume is less likely to decrease. In addition, said effect can be acquired even if only the cyclone apparatus equivalent to the secondary cyclone separation apparatus 20 is mounted in the vacuum cleaner 100. FIG.

In the above-described embodiment, the primary cyclone separator 10 is provided, but the secondary cyclone separator 20 alone has the same effect. Needless to say, the same effect can be obtained when a plurality of cyclones (primary cyclone separator, secondary cyclone separator, tertiary cyclone separator, etc.) are provided. In addition, since the present invention relates to the structure of the cyclone separator, the present invention is not limited to the canister type vacuum cleaner described in the present embodiment.

  DESCRIPTION OF SYMBOLS 1 Suction port body, 2 Suction pipe, 3 Connection pipe, 4 Suction hose, 5 Vacuum cleaner main body, 10 Primary cyclone separator, 11 Primary inlet, 12 Primary swirl chamber, 12a Primary cone part, 12b Primary cylindrical part, 13 Primary Opening, 14 Primary dust collection chamber, 15 Primary discharge port, 16a Cone, 15b Cylinder, 16 Primary discharge pipe, 20 Secondary cyclone separator, 21 Secondary inlet, 22 Secondary swirl chamber, 22a Secondary cone Part, 22b secondary cylindrical part, 23 secondary opening part, 24 secondary dust collection chamber, 25 secondary discharge port, 26 secondary discharge pipe, 49 suction air path, 50 dust collection unit, 51 exhaust air path, 52 filter , 53 Electric blower, 55 wheels, 56 Anti-vibration ribs, 57 Secondary swirl chamber body, 100 Vacuum cleaner, 113 0th order opening, 1140th order dust collection chamber.

Claims (10)

An inlet through which dust-containing air from the external airflow flows,
A swirl chamber that is formed in a substantially cylindrical shape and that swirls dust-containing air flowing from the inlet and separates air and dust;
A dust collection chamber that communicates with the swirl chamber and stores dust separated from the dust-containing air;
A discharge port for discharging air separated from the dust-containing air in the swirl chamber;
A blower that creates suction power;
The exhaust pipe communicates with the discharge port, and includes a discharge pipe formed to protrude from the wall surface of the swirl chamber into the swirl chamber,
An anti-vibration rib is provided on the inner wall of the discharge pipe, and at least a connection portion with the swirl chamber of the discharge pipe is provided with a vibration-proof rib that prevents vibration of the discharge pipe due to the swirling of the dust-containing air. Cyclone separation device. The anti-vibration rib is formed by piercing the inflow port in the side wall thereof,
The cyclone separator according to claim 1, wherein the cyclone separator is erected in a direction substantially perpendicular to the tangential direction. The anti-vibration rib is
The cyclone separator according to claim 2, wherein the inner tip is a free end and is provided at least at a position on the inlet side in the discharge pipe. The anti-vibration rib is
4. The cyclone separator according to claim 3, wherein the cyclone separator is a pair of ribs formed so that the inner front end thereof is a free end and faces the diameter direction of the discharge pipe. The anti-vibration rib is
The inner tip is a free end and is erected toward the inner side of the discharge pipe, and the height of the erection is such that the connecting portion between the discharge pipe and the swirl chamber is the highest. The cyclone separator according to any one of claims 1 to 4.   The cyclone separator according to any one of claims 1 to 5, wherein the vibration-isolating rib is provided at a portion excluding a part near the discharge port.   The exhaust pipe has a bent portion that bends at a substantially right angle after being drawn in the axial direction of the swirl chamber, and the air discharge direction of the bent portion substantially matches the standing direction of the vibration isolation rib. The cyclone separator according to any one of claims 1 to 6.   The cyclone separator according to any one of claims 1 to 7, wherein a swirl chamber body that forms the swirl chamber therein and the discharge pipe are integrally configured.   The cyclone separator according to any one of claims 1 to 8, wherein an angle R is provided at a portion where the outer wall of the discharge pipe contacts the upper inner wall of the swirl chamber.   A vacuum cleaner comprising the cyclone separator according to any one of claims 1 to 9.

Images