CN2927961Y

CN2927961Y - Portable vacuum cleaner

Info

Publication number: CN2927961Y
Application number: CN 200620130748
Authority: CN
Inventors: 陈成忠; 强尼·鲍瑞那图
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2006-07-28
Filing date: 2006-07-28
Publication date: 2007-08-01
Anticipated expiration: 2016-07-28

Abstract

The utility model discloses a potable vacuum cleaner, comprising a shell, a removable dust chamber connected with the shell, a handle arranged on the shell, an electric motor arranged in the shell, a fan driven by the electric motor, and a power supply unit connected with the electric motor through a switch, wherein the dust chamber is provided with a whirlwind disconnecting gear, characterized in that the whirlwind disconnecting gear comprises at least two side by side cone separator. As the side by side dust separator is adopted, with the same volume of dust collection, the remoteness dust can be effectively absorbed, preventing the leakage of dust, thereby improving the efficiency of dust collection of the vacuum cleaner.

Description

Portable dust collector

Technical Field

The utility model relates to a portable dust collector, in particular to a portable dust collector with a cyclone dust separation device.

Background

Currently, there are various portable vacuum cleaners on the market. The portable dust collector is widely applied to household dust collection due to convenience, lightness and high cost, but the existing dust collection and filtration device is inconvenient to use and cannot meet the requirements of consumers. For example, chinese patent publication No. CN1626025A discloses a dust separating device, which is provided with a high efficiency particle air filter including a filter formed by pleats and a cup-shaped filter screen to realize high efficiency separation of dust, and the inner wall of a dust collecting box forms a cyclone separating structure to primarily separate dirty air sucked by a dust collector. For another example, chinese utility model publication No. CN2631412Y discloses a secondary cyclone dust collector, which comprises a dust cup and a cyclone cup, wherein the cyclone cup is disposed in the dust cup, and a cyclone cup cover is disposed between the cyclone cup and the dust cup, so that a spiral air duct is formed between the dust cup and the dust cup holder, and a spiral air duct is also formed between the cyclone cup and the cyclone cup cover, and dust in the dust cup of the separation device is mixed together, which easily reduces the dust removing effect of the cyclone separation device.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a portable dust collector with simple structure and higher dust separation efficiency.

The technical scheme of the utility model is that: a portable dust collector comprises a shell, a dust collecting box which is detachably connected to the shell, a handle which is arranged on one of the shell and the dust collecting box, a motor which is accommodated in the shell, a fan which is driven by the motor, and a power supply device which is electrically connected with the motor through a switch, wherein a cyclone separation device is arranged in the dust collecting box.

In particular, the cyclonic separating apparatus comprises a cylindrical separating section connected to the conical separating section, the dust-air mixture inlet being arranged tangentially of the cylindrical separating section; a filter screen is arranged outside the inlet; the dust collecting box comprises a first dust containing chamber and a second dust containing chamber, and outlets of the dust and the debris are arranged in the second dust containing chamber; the second dust containing chamber comprises a detachable sealing cover; the second dust containing chamber is arranged in the first dust containing chamber; the conical separation portions are arranged substantially parallel to each other; the inlets of the cyclone separation devices are positioned on the same side of the cylindrical separation part; the inlets of the cyclonic separating apparatus may also be located on opposite sides of the cylindrical separating section; the cyclone separation device is made of plastic materials; the power supply may be a battery or alternating current.

Due to the fact that the dust separating parts are arranged in parallel, under the condition of the same dust collecting amount, finer dust can be effectively absorbed, the situation that the dust leaks out cannot occur, and dust filtering efficiency of the dust collector is improved. Meanwhile, the periphery of the inlet of the dust separation part is provided with the filter screen, large dust particles sucked by the dust collector are primarily separated, so that the cyclone separation device is only used for filtering small dust particles, and the dust particles with different sizes can be effectively separated. In particular, small dust particles and large dust particles are accommodated in different dust chambers, so that the dust collecting device is easy to clean and convenient to operate.

Drawings

FIG. 1 is a schematic side sectional view of the portable vacuum cleaner of the present invention;

FIG. 2 is a schematic side view of an embodiment of the cyclonic separating apparatus of the present invention;

FIG. 3 is a schematic top view of the cyclonic separating apparatus shown in FIG. 2;

FIG. 4 is a schematic right side view of the cyclonic separating apparatus shown in FIG. 2;

FIG. 5 is a schematic side view of another embodiment of the cyclonic separating apparatus of the present invention;

FIG. 6 is a schematic top view of the cyclonic separating apparatus shown in FIG. 5;

FIG. 7 is a schematic right side view of the cyclonic separating apparatus shown in FIG. 5;

figure 8 is a schematic side sectional view of another embodiment of the cyclonic separating apparatus of the present invention.

Wherein,

1 case 2 dust collecting box 3 handle

4 motor 5 drive mechanism 6 fan

7 cyclone separator 8 power supply unit 9 switch

10 filter screen 11 exhaust port 12 connecting device

13 first connecting wall 14 second connecting wall 15 opening

16 receiving 17 snap means 21 dust containing chamber

22 dust containing chamber 23 sealing cover 24 dust inlet

71a outlet 71b outlet 72a inlet

72b inlet 73a cylindrical separating portion 73b cylindrical separating portion

74a conical separation section 74b conical separation section 75a air outlet

75b air outlet 76 connection

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

Referring to fig. 1, the present invention discloses a portable vacuum cleaner. In a preferred embodiment of the present invention, the portable vacuum cleaner comprises a housing 1, a dust collecting case 2 detachably attached to the housing 1, a handle 3 provided on the housing 1, a motor 4 accommodated in the housing 1, a fan 6 driven by the motor 4, and a power supply device 8 electrically connected to the motor 4 through a switch 9. A cyclone separator 7 is provided in the dust box 2 for collecting and separating fine dust particles.

Typically, the fan 6 of the portable cleaner is driven by the motor 4 via a transmission 5, and the power supply means 8 for powering the motor 4 may be a battery pack or an alternating current. The battery pack is rechargeable and can be reused. Preferably, the utility model discloses a group battery is as power supply unit 8, and this power supply unit 8 is located in the casing 1 of dust catcher.

The handle 3 of the dust collector can be arranged on the shell 1 or on the dust collecting box 2.

The housing 1 is provided with an air outlet 11 for discharging the air flow generated by the fan 6. The housing 1 is connected to the dust box 2 by a connecting means 12. Generally, the connection means 12 comprises a first connection wall 13 provided at the dust box 2, a second connection wall 14 provided at the housing 1, and a catch means 17. The first connecting wall 13 is connected to the second connecting wall 14 by means of the snap means 17, thereby connecting the dust box 2 to the housing 1. The side of the housing 1 facing the dust box 2 is provided with a receiving opening 16, through which opening 16 the cyclonic separating apparatus 7 communicates with the fan 6.

Referring to fig. 2 to 7, the cyclonic separating apparatus 7 comprises

inlet openings

72a, 72b for a dust and air mixture,

outlet openings

71a, 71b for dust and debris, at least two conical separating

portions

74a, 74b arranged in parallel, and

air outlet openings

75a, 75b in communication with the fan 6. The

air outlets

75a, 75b of the cyclonic separating apparatus 7 communicate with the receiving opening 16 provided in the housing 1 via the connecting portion 76. Depending on the size of the dust collecting box 2, a plurality of parallel conical separating parts can be arranged to improve the dust removing efficiency of the dust collector. Due to the fact that the dust separating parts are arranged in parallel, under the condition of the same dust collecting amount, finer dust can be effectively absorbed, the situation that the dust leaks out cannot occur, and the dust removing efficiency of the dust collector is improved.

The cyclonic separating apparatus 7 further comprises

cylindrical separating sections

73a, 73b connected to conical separating

sections

74a, 74b, the dust and

air mixture inlets

72a, 72b being arranged tangentially to the cylindrical separating

sections

73a, 73 b. After the dust-air mixture is sucked into the cylindrical separating

portions

73a, 73b, a spiral air flow is formed, and dust particles are separated from the air flow and run out of the dust and

debris outlets

71a, 71b to fall into the dust collecting case 2 by centrifugal force. Clean air flows in the direction indicated by arrow a from the

air outlets

75a, 75b to the fan 6 driven by the motor 4.

Referring to fig. 2 to 4, in a preferred embodiment of the cyclonic separating apparatus 7 of the present invention, the

inlets

72a, 72b of the cyclonic separating apparatus 7 are located on the same side of the cylindrical separating

portions

73a, 73 b. The dust air passes through the sieve 10 and enters the cylindrical separating

portions

73a, 73b tangentially from the

inlets

72a, 72 b.

Referring to fig. 5 to 7, in another embodiment of the cyclonic separating apparatus 7 of the present invention, the

inlets

72a, 72b of the cyclonic separating apparatus 7 are located on opposite sides of the cylindrical separating

portion

73a, 73 b.

The dust box 2 of the cleaner comprises a first dust compartment 21 and a second dust compartment 22, which are provided with a dust inlet 24 at the front for collecting and guiding a mixture of dust and air. Suitable accessories may be connected to the dust inlet 24 for cleaning in different situations. When the cleaner is in operation, the fan 6 discharges air from the air outlet 11, creating an air pressure in the housing 1 containing the fan 6 that is negative with respect to atmospheric pressure, causing a mixture of dust and air to enter the dust container 2 through the dust inlet 24. The dust container 2 has a substantially D-shaped cross-section, and a mixture of dust and air is drawn in to form a spiral flow of air towards the cyclonic separating apparatus 7 disposed within the dust container 2, and large debris falls down and accumulates in the first dust compartment 21. Meanwhile, the filter screen 10 is provided at the periphery of the

inlets

72a, 72b of the cyclone separating apparatus 7 to primarily separate large dust particles sucked by the cleaner, and the cyclone separating apparatus 7 is only responsible for filtering small dust particles, so that dust particles of different sizes can be effectively separated. The sieve 10 is provided with a plurality of through holes through which fine dust particles can pass into the

inlets

72a, 72b of the cyclonic separating apparatus 7.

In the preferred embodiment of the present invention, the dust and

debris outlets

71a, 71b are located in the second dust holding chamber 22. Referring to fig. 1, the second dust containing chamber 22 is detachable independently, and includes a detachable sealing cover 23 for sealing the collected fine dust particles in the second dust containing chamber 22, so that the dust particles are not mixed into the first dust containing chamber 21, thereby preventing the cyclone 7 from re-separating. It will be apparent to those skilled in the art that the second dust compartment 22 may be located not only within the first dust compartment 21, but also outside the first dust compartment 21. Referring to fig. 7, the second dust containing chamber 22 is disposed outside the first dust containing chamber 21. The first dust compartment 21 is provided with an opening 15, and the

conical separating portions

74a, 74b of the cyclonic separating apparatus 7 are provided at their ends with connections which seal the second dust compartment 22 relative to each other, the

outlets

71a, 71b for dust and debris extending from the opening 15 into the second dust compartment 22. When the dust collecting box 2 needs to be cleaned, the first dust containing chamber 21 and the second dust containing chamber 22 can be cleaned at the same time by detaching the whole dust collecting box 2 from the housing 1. Meanwhile, small dust particles and large dust particles are respectively contained in different dust containing chambers and can be cleaned respectively, and the operation is convenient.

In the preferred embodiment of the present invention, the

conical separating portions

74a, 74b are disposed substantially parallel to each other, and may be disposed at an angle to each other as the space size permits.

In order to facilitate the operator's view of the dust collection within the dust container 2, the dust container 2 and the cyclonic separating apparatus 7 are preferably constructed from a transparent material, preferably a lightweight plastics material. Thus, the weight of the whole dust collector is not increased due to the arrangement of the cyclone separation device 7, and the operation of an operator is convenient and comfortable.

Claims

1. A portable vacuum cleaner comprising a housing (1), a dust collecting container (2) removably connected to the housing (1), a handle (3) provided on either of the housing (1) and the dust collecting container (2), a motor (4) accommodated in the housing (1), a fan (6) driven by the motor (4), and a power supply device (8) electrically connected to the motor (4) via a switch (9), a cyclone separating device (7) being provided in the dust collecting container (2), characterized in that the cyclone separating device (7) comprises a dust-air mixture inlet (72a, 72b), a dust and debris outlet (71a, 71b), at least two conical separating portions (74a, 74b) arranged side by side, and an air outlet (75a, 75b) communicating with the fan (6).

2. A portable vacuum cleaner according to claim 1, wherein the cyclonic separating apparatus (7) comprises a cylindrical separating portion (73a, 73b) connected to the conical separating portion (74a, 74b), the dust-air mixture inlet (72a, 72b) being arranged tangentially to the cylindrical separating portion (73a, 73 b).

3. A portable vacuum cleaner according to claim 2, characterized in that the inlet (72a, 72b) is externally provided with a sieve (10).

4. A portable vacuum cleaner according to claim 3, wherein the dust container (2) comprises a first dust compartment (21) and a second dust compartment (22), the dust and debris outlet (71a, 71b) being provided in the second dust compartment (22).

5. A portable vacuum cleaner according to claim 4, characterized in that the second dust compartment (22) comprises a removable sealing cover (23).

6. The portable cleaner according to claim 5, wherein the second dust compartment (22) is provided in the first dust compartment (21).

7. The portable vacuum cleaner according to claim 1, wherein the conical separating portions (74a, 74b) are arranged substantially parallel to each other.

8. A portable vacuum cleaner according to any one of claims 2 to 7, characterised in that the inlets (72a, 72b) of the cyclonic separating apparatus (7) are located on the same side of the cylindrical separating portion (73a, 73 b).

9. A portable vacuum cleaner according to any one of claims 2 to 7, wherein the inlet (72) of the cyclonic separating apparatus (7) is located on opposite sides of the cylindrical separating portion (73a, 73 b).

10. A portable vacuum cleaner according to any one of claims 2 to 7, wherein the cyclonic separating apparatus (7) is constructed from a plastics material.