CN1112162C

CN1112162C - Cyclonic dust collector

Info

Publication number: CN1112162C
Application number: CN 99120610
Authority: CN
Inventors: 钱东奇
Original assignee: Ecovacs Robotics Suzhou Co Ltd
Current assignee: Ecovacs Robotics Suzhou Co Ltd
Priority date: 1999-12-10
Filing date: 1999-12-10
Publication date: 2003-06-25
Anticipated expiration: 2019-12-10
Also published as: CN1299630A

Abstract

The present invention relates to a cyclone dust collector which comprises a cyclone outer cylinder (4), a pipe interface (2) and an air outlet (1). The present invention is characterized in that the outside of the cylinder wall of the cyclone outer cylinder (4) is provided with an air current curve path (9); the pipe interface (2) is communicated with an inner chamber of the cyclone outer cylinder body (4) through the air current curve path (9); the surface of the inner wall (11) of the outside of the curve path is basically tangential with the surface of the inner wall of the cyclone outer cylinder (4); the pipe interface (2) is basically and just positioned above the middle axial cord of the cyclone outer cylinder body (4). Users can move the cyclone dust collector at the angle of 360 DEG during work. The cyclone dust collector has the advantages of convenient operation and good dust and air separating effect.

Description

Rotoclone collector

The present invention relates to a kind of rotoclone collector.

In the prior art, Britain Notetry Ltd took the lead in developing the dust-separating appliance that utilizes the centrifugal mechanism of swirling eddy in 1996, it is based on a common physical principle: make object make circular motion with certain acceleration (a), the external force (F) that adds thereon is directly proportional with its quality (m), i.e. F=ma; After external force did not exist, object tendency to drift away in the high speed rotary course that quality is big was also big.Therefore, if make the air-flow that has dust with certain rotating at a high speed, then dust granule can be separated greater than air quality because of its quality.First design of Britain Notetry Ltd as shown in Figure 3, air inlet pipe be arranged at Whirlwind barrel directly over, and in the inner chamber of Whirlwind barrel, stretch into a bend partition, make air-flow enter Whirlwind barrel along the inwall tangential direction of Whirlwind barrel as far as possible, and the air-flow bend of in fact being made up of this piece bend partition and Whirlwind barrel inwall is arranged at the Whirlwind barrel inboard, make that most of air-flow is that circumferential section secant direction with Whirlwind barrel enters Whirlwind barrel inner chamber and rotation, therefore cause the centrifugal efficiency of dust to reduce, dust removing effects is bad, and noise increases when causing dust suction.Therefore, the shaped article of the said firm's reality as shown in Figure 4, interface tube is by air-flow bend and Whirlwind barrel intracavity inter-connection, and the outside inwall of its air-flow bend and the inwall of Whirlwind barrel are tangent, make most of air-flow enter cylinder lumen by the inwall tangential direction of Whirlwind barrel.But because interface tube is positioned at the side of dust catcher, and interface tube is connected with hose, makes the worker of hand-held sweep-up pipe be not easy to walk about inconvenient operation around dust catcher work 360 degree.

The object of the present invention is to provide effective, the easy to operate rotoclone collector of a kind of dust and air separation.

Technical scheme of the present invention is: a kind of rotoclone collector, the whirlwind outer cylinder body that comprises next the end sealing of dust suction state, the interface tube that is used for the air-flow input with the intracavity inter-connection of described whirlwind outer cylinder body, the air outlet that is used for air-flow output, the barrel outside of described whirlwind outer cylinder body is provided with the air-flow bend, described interface tube is by the intracavity inter-connection of described air-flow bend and described whirlwind outer cylinder body, the outside inwall at the close whirlwind outer cylinder body air flow inlet place on the described air-flow bend is called bend outside inwall, the face at the face at inwall place, the described bend outside and the inwall place of described whirlwind outer cylinder body is tangent basically, described interface tube be located substantially on described whirlwind outer cylinder body the axis directly over the position.

The present invention compared with prior art has following advantage:

Since interface tube be positioned at Whirlwind barrel directly over the position, can make 360 degree when therefore the hand-held sweep-up pipe that is connected on the interface tube of user is worked around dust catcher moves, easy to operate, and because the face at the inwall place of the face at inwall place, the bend outside and described whirlwind outer cylinder body is tangent basically, make most of air-flow enter whirlwind outer cylinder body inner chamber by the cross section inwall tangential direction of whirlwind outer cylinder body, air-flow can obtain bigger rotary speed, be convenient to dust and air separation, so good dedusting effect.

The invention will be further described below in conjunction with drawings and Examples:

Accompanying drawing 1 is structure master's cutaway view of the present invention;

Accompanying drawing 2 is the A-A direction sectional view of accompanying drawing 1;

Accompanying drawing 3 is the structure principle chart of first kind of rotoclone collector of the prior art;

Accompanying drawing 4 is the structure principle chart of second kind of rotoclone collector of the prior art;

Accompanying drawing 5 is a structural principle sectional view of the present invention; Wherein:

1, air outlet; 2, interface tube; 3 air-flow rotating rooms 4, whirlwind outer cylinder body; 5, filter course; 6 inner barrels; 7, passage; 8, shell of the dust collector; 9, air-flow bend; 10, bend partition; 11, bend outside inwall; 12, inner barrel fixed support; 13, whirlwind outer cylinder body air flow inlet;

Embodiment: referring to accompanying drawing 1 to accompanying drawing 2, a kind of rotoclone collector, comprise the sealing of next end of dust suction state whirlwind outer cylinder body 4, with the interface tube 2 that is used for the air-flow input of the intracavity inter-connection of described whirlwind outer cylinder body 4, with the air outlet 1 that is used for air-flow output of the intracavity inter-connection of described whirlwind outer cylinder body 4, described interface tube 2 can be arranged on the described whirlwind outer cylinder body 4, also can be arranged on the shell of the dust collector 8.The barrel outside of described whirlwind outer cylinder body 4 is provided with air-flow bend 9, described interface tube 2 is by the intracavity inter-connection of described air-flow bend 9 with the outer entire body 4 of described whirlwind, the outside inwall at close whirlwind outer cylinder body air flow inlet 13 places on the described air-flow bend 9 is called bend outside inwall 11, the face at the face at inwall 11 places, the described bend outside and the inwall place of described whirlwind outer cylinder body 4 is tangent basically, described interface tube 2 be located substantially on described whirlwind outer cylinder body 4 the axis directly over the position.The air communication that has dust is crossed interface tube 2 suctions, enter in the air-flow rotating room 3 of whirlwind outer cylinder body 4 inner chambers by tangential direction through air-flow bend 9, dust is because quality is big and separated and be attached on the internal chamber wall of whirlwind outer cylinder body 4, and clean air is through the air outlet sucking-off.

Owing to always there is certain error in the actual fabrication process of product, the face at inwall 11 places, the described bend outside that therefore require previously is meant with the face at the inwall place of described whirlwind outer cylinder body 4 is tangent basically: the vertical plane at the axial line place of described interface tube 2 overlaps basically with the vertical plane at the place, axis of described whirlwind outer cylinder body 4, can be that the distance between the axis of the vertical plane at axial line place of described interface tube 2 and described whirlwind outer cylinder body 4 is the 0-20 millimeter.

Best, the deviation distance between the vertical plane at the vertical plane at the axial line place of described interface tube 2 and the place, axis of described whirlwind outer cylinder body 4 is the 0-4 millimeter.

As shown in Figure 5, the face at inwall 11 places, the bend of described air-flow bend 9 outside is the plane, and the face at the inwall place of this plane and described whirlwind outer cylinder body 4 is tangent basically.

The face at inwall 11 places, the bend outside that also can described air-flow bend 9 is a curved surface, and this curved surface parallels with the axis of described whirlwind outer cylinder body 4, and the face at the inwall place of this curved surface and described whirlwind outer cylinder body 4 is tangent basically.

In the actual dust removal operation, the part dust can enter in the inner chamber of inner barrel 6 through passage 7 along with clean gas flow, discharges from air outlet 1 again.Be provided with coaxial inner barrel 6 in the inner chamber of described whirlwind outer cylinder body 4, have a plurality of passages 7 on the barrel of this inner barrel 6, described passage 7 is uniformly distributed on the described inner barrel 6, described passage 7 can adopt that grid is poroid, mesh etc., this passage 7 makes the inner chamber of described inner barrel 6 and the intracavity inter-connection of described whirlwind outer cylinder body 4, the intracavity inter-connection of described air outlet 1 and described inner barrel 6, and be covered with filter course 5 at the barrel outer surface of described inner barrel 6, intercept the not separated dust of part.

Referring to accompanying drawing 1, described whirlwind outer cylinder body 4 is involuted by the first whirlwind outer cylinder body in left side and the second whirlwind outer cylinder body two parts that have blind end on right side, wherein the first whirlwind outer cylinder body is fixed on the shell of the dust collector 8, and described interface tube 2 and air-flow bend 9 also are arranged on this first whirlwind outer cylinder body; The connecting portion of the described first whirlwind outer cylinder body and the second whirlwind outer cylinder body is provided with sealing ring, make two contact air tight; The described first whirlwind outer cylinder body and the second whirlwind outer cylinder body be coaxial, with the diameter setting, and both lock mutually by locking device, after the locking device release, the described second whirlwind outer cylinder body can take off from shell of the dust collector 8, is convenient to topple over dust and cleaning.

Claims

1, a kind of rotoclone collector, the whirlwind outer cylinder body (4) that comprises sealing under the end dust suction state, the interface tube (2) that is used for the air-flow input with the intracavity inter-connection of described whirlwind outer cylinder body (4), the air outlet (1) that is used for air-flow output, it is characterized in that: the barrel outside of described whirlwind outer cylinder body (4) is provided with air-flow bend (9), described interface tube (2) is by the intracavity inter-connection of described air-flow bend (9) with described whirlwind outer cylinder body (4), the outside inwall that close whirlwind outer cylinder body air flow inlet (13) on the described air-flow bend (9) is located is called bend outside inwall (11), the face at the face at inwall (11) place, the described bend outside and the inwall place of described whirlwind outer cylinder body (4) is tangent basically, described interface tube (2) be located substantially on described whirlwind outer cylinder body (4) the axis directly over the position.

2, rotoclone collector according to claim 1 is characterized in that: the vertical plane at the axial line place of described interface tube (2) overlaps basically with the vertical plane at the place, axis of described whirlwind outer cylinder body (4).

3, rotoclone collector according to claim 2 is characterized in that: the distance between the vertical plane at the place, axis of the vertical plane at the axial line place of described interface tube (2) and described whirlwind outer cylinder body (4) is the 0-20 millimeter.

4, rotoclone collector according to claim 3 is characterized in that: the distance between the vertical plane at the place, axis of the vertical plane at the axial line place of described interface tube (2) and described whirlwind outer cylinder body (4) is the 0-4 millimeter.

5, rotoclone collector according to claim 1 is characterized in that: the face at inwall (11) place, the bend outside of described air-flow bend (9) is the plane, and the face at the inwall place of this plane and described whirlwind outer cylinder body (4) is tangent basically.

6, rotoclone collector according to claim 1, it is characterized in that: the face at inwall (11) place, the bend outside of described air-flow bend (9) is a curved surface, this curved surface parallels with the axis of described whirlwind outer cylinder body (4), and the face at the inwall place of this curved surface and described whirlwind outer cylinder body (4) is tangent basically.

7, rotoclone collector according to claim 1, it is characterized in that: be provided with coaxial inner barrel (6) in the inner chamber of described whirlwind outer cylinder body (4), have a plurality of passages (7) on the barrel of this inner barrel (6), this passage (7) makes the inner chamber of described inner barrel (6) and the intracavity inter-connection of described whirlwind outer cylinder body (4), the intracavity inter-connection of described air outlet (1) and described inner barrel (6).

8, rotoclone collector according to claim 7 is characterized in that: the barrel outer surface of described inner barrel (6) is covered with filter course (5).

9, rotoclone collector according to claim 1, it is characterized in that: described whirlwind outer cylinder body (4) is involuted by the first whirlwind outer cylinder body and second whirlwind outer cylinder body two parts, wherein the first whirlwind outer cylinder body is fixed on the shell of the dust collector (8), and described interface tube (2) and air-flow bend (9) also are arranged on this first whirlwind outer cylinder body; The connecting portion of the described first whirlwind outer cylinder body and the second whirlwind outer cylinder body is provided with sealing ring, described first whirlwind outer cylinder body and the coaxial setting of the second whirlwind outer cylinder body, and both lock mutually by locking device.