Low-noise dust collector

Abstract

The utility model discloses a low-noise dust collector which comprises a dust cup. A vacuum source is arranged at the upper part of the dust cup; a handheld part is arranged on one side of the dust cup, and an air inlet pipe is arranged on the other side of the dust cup; a battery pack is arranged at the top of the handheld part; the battery pack supplies power to the vacuum source; the air inlet pipe is communicated with the interior of the dust cup; an annular metal net is arranged at the upper part in the dust cup; the top between the dust cup and the metal net is blocked by the top of the metal net; an inverted-cone-shaped filter is arranged in the middle of the metal net. The inverted-cone-shaped filter is hollow, and the top of the inverted-cone-shaped filter blocks the top between the metal net and the inverted-cone-shaped filter; a motor is arranged in the vacuum source; an air outlet hole is formed in the lower part of the side part of the vacuum source; the low-noise dust collector is simple in structure and good in noise reduction effect.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the dust collector related technical field, concretely relates to a low noise dust collector with simple structure and good noise reduction effect. BACKGROUND

[0002] Common dust collector, including dust cup;The upper portion of dust cup is provided with vacuum source;The side of dust cup is provided with handheld part, and the other side is provided with air inlet pipe;The air inlet pipe is communicated with the inside of dust cup;The upper portion in the inside of dust cup is provided with annular metal screen;The top of metal screen blocks the top between dust cup and metal screen;The middle part of metal screen is provided with inverted conical filter;Inverted conical filter is hollow, and the top thereof blocks the top between metal screen and inverted conical filter;The inside of vacuum source is provided with motor;The upper portion of the side of vacuum source is provided with air outlet hole;When working, after air current enters dust cup from air inlet pipe and is separated by metal screen once, it enters the inside of metal screen, and is separated again around inverted conical filter, and then enters the inside of inverted conical filter, and finally completes air outlet from air outlet hole;The noise of this dust collector is big, and it can not meet the increasing needs of people.

[0003] Therefore, we develop a low noise dust collector with simple structure and good noise reduction effect. SUMMARY

[0004] The utility model discloses a low noise dust collector with simple structure and good noise reduction effect.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a low noise dust collector, including dust cup;The upper portion of dust cup is provided with vacuum source;The side of dust cup is provided with handheld part, and the other side is provided with air inlet pipe;The top of handheld part is provided with battery pack;The battery pack provides power supply for vacuum source;The air inlet pipe is communicated with the inside of dust cup;The upper portion in the inside of dust cup is provided with annular metal screen;The top of metal screen blocks the top between dust cup and metal screen;The middle part of metal screen is provided with inverted conical filter;Inverted conical filter is hollow, and the top thereof blocks the top between metal screen and inverted conical filter;The inside of vacuum source is provided with motor;The lower portion of the side of vacuum source is provided with air outlet hole.

[0006] Preferably, the motor and the air outlet hole form an air outlet channel, and the air outlet channel is provided with sound-absorbing cotton.

[0007] Preferably, the air outlet holes are symmetrically distributed on the lower portions of the front and rear sides of the vacuum source.

[0008] Preferably, the motor and the shell of the vacuum source form an air outlet channel.

[0009] Preferably, the air outlet hole is in a strip shape and horizontally arranged.

[0010] Compared with the prior art, the low-noise dust collector has the following beneficial effects:

[0011] The air outlet channel of the low-noise dust collector is located between the motor and the shell of the vacuum source, is used for being communicated with the air outlet hole, has a long length, and is beneficial to noise reduction; meanwhile, the air outlet channel is provided with the sound-absorbing cotton, airflow passes through the sound-absorbing cotton in the air outlet channel, and then air outlet is completed from the air outlet hole, so that the noise reduction effect is good; the low-noise dust collector has simple structure and good noise reduction effect. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application, and in the drawings:

[0013] Figure 1 A low-noise dust collector is provided in the present application.

[0014] Figure 2 A sectional view enlarged view is provided in the present application. Figure 1

[0015] In the drawings: 1, dust cup; 2, vacuum source; 3, handheld part; 4, battery pack; 11, metal mesh; 12, to conical filter; 13, air inlet pipe; 21, motor; 22, sound-absorbing cotton; 23, air outlet hole. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application; based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0017] Please refer to Figures 1-2 ​The utility model provides a technical scheme: a low noise dust collector, including dust cup 1, the upper portion of dust cup 1 is provided with vacuum source 2, one side of dust cup 1 is provided with handheld part 3, and the other side is provided with air inlet pipe 13, the top of handheld part is provided with battery pack 4, battery pack 4 provides power supply for vacuum source 2, air inlet pipe 13 is communicated with in dust cup 1, the upper portion in dust cup 1 is provided with annular metal net 11, the top of metal net 11 is sealed between dust cup 1 and metal net 11, the middle part of metal net 11 is provided with inverted conical filter 12, inverted conical filter 12 is hollow, and the top is sealed between metal net 11 and inverted conical filter 12, motor 21 is provided in vacuum source 2, the lower portion of the side of vacuum source 2 is provided with air outlet hole 23 symmetrically, air outlet passage (not marked) is formed between motor 21 and air outlet hole 23, sound-absorbing cotton 22 is provided in air outlet passage, when working, after the airflow enters dust cup 1 from air inlet pipe 13 and passes through metal net 11 and is separated once, enters the inside of metal net 11, winds inverted conical filter 12 again and is separated again, passes through inverted conical filter 12 and enters its inside again, enters motor 21 again and flows out from the top of motor 21, finally passes through sound-absorbing cotton 22 in air outlet passage and completes air outlet from air outlet hole 23 again.

[0018] In the embodiment, the air outlet holes 23 are symmetrically distributed on the lower portions of the front and rear side portions of the vacuum source 2.

[0019] In the embodiment, the air outlet passage (not marked) is formed between the motor 21 and the shell of the vacuum source 2.

[0020] In the embodiment, the air outlet holes 23 are in the shape of a strip and are horizontally arranged.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] The air outlet passage of the low noise dust collector is located between the motor 21 and the shell of the vacuum source 2, is used for being communicated with the air outlet holes 23, has a long length, and is beneficial to noise reduction; at the same time, the sound-absorbing cotton 22 is arranged in the air outlet passage, the airflow passes through the sound-absorbing cotton 22 in the air outlet passage, then completes air outlet from the air outlet holes 23, and the noise reduction effect is good; the utility model has the advantages of simple structure and good noise reduction effect.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A low-noise dust collector, comprising a dust cup; the upper part of the dust cup is provided with a vacuum source; one side of the dust cup is provided with a hand-held part, and the other side is provided with an air inlet pipe; the top of the hand-held part is provided with a battery pack; the battery pack provides power for the vacuum source; the air inlet pipe is in communication with the dust cup; the upper part of the dust cup is provided with a circular ring-shaped metal mesh; the top of the metal mesh blocks the top between the dust cup and the metal mesh; the middle part of the metal mesh is provided with an inverted conical filter; the inverted conical filter is hollow, and the top thereof blocks the top between the metal mesh and the inverted conical filter; the vacuum source is provided with a motor; characterized in that: The lower part of the side of the vacuum source is provided with air outlet holes.

2. The low noise dust collector of claim 1, wherein: An air outlet channel is formed between the motor and the air outlet holes, and the air outlet channel is provided with sound-absorbing cotton.

3. The low noise dust collector of claim 1, wherein: The air outlet holes are symmetrically distributed in the lower part of the front and rear sides of the vacuum source.

4. The low noise cleaner of claim 1, wherein: An air outlet channel is formed between the motor and the shell of the vacuum source.

5. The low noise dust extractor according to claim 3, characterized in that: The air outlet holes are in the shape of long strips and are horizontally arranged.

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