CN2933262Y

CN2933262Y - Noise reducing muffle device for cleaner and cleaner contained noise reducing muffle device

Info

Publication number: CN2933262Y
Application number: CN 200620074689
Authority: CN
Inventors: 倪祖根
Original assignee: Suzhou Kingclean Floorcare Co Ltd
Current assignee: Kingclean Electric Co Ltd
Priority date: 2006-07-05
Filing date: 2006-07-05
Publication date: 2007-08-15
Anticipated expiration: 2016-07-05

Abstract

The utility model discloses a noise reduction silencing device of cleaner and a cleaner with the device, comprising an exhaust passage between a motor and a ventilating hole, a silencing baffle with a plurality of vent pipes installed thereon obstructing the exhaust passage between the motor and the ventilating hole, wherein the silencing baffle increases the tortuosity of exhaust passage to attenuate the energy of sound wave in the transmitting course, which makes the bulk of the chamber where winds enters changes to reach the noise reduction effect.

Description

The noise reduction silencing means of dust catcher and contain the dust catcher of this device

Technical field

The utility model relates to a kind of noise reduction silencing means of dust catcher and contains the dust catcher of this device.

Background technology

In the prior art, the basic structure of dust catcher is followed successively by suction port, dedusting chamber, motor machine, exhaust outlet, and exhaust outlet is lattice structure, its effect is only for preventing that foreign material from entering in the dust catcher body, and do not have sound deadening, therefore, the noise that common dust catcher sends in use is bigger, some high power vacuum cleaner particularly, noise is bigger.

Summary of the invention

The purpose of this utility model is: a kind of noise reduction silencing means of dust catcher is provided and contains the dust catcher of this device, this device is by installing sound gobo at motor in the air-out passage of exhaust outlet, sound gobo has increased the tortuosity of air-out passage, the energy of sound wave is lost in communication process, produce Volume Changes when sound gobo can make air-out enter inner chamber, thereby reach the effect that reduces noise.

The technical solution of the utility model is: a kind of dust catcher noise reduction silencing means, air-out passage between comprising from the motor to the exhaust outlet, be provided with sound gobo between motor and exhaust outlet, that air exhaust passage is cut off in the described air-out passage, air draft plate in sound gobo and the exhaust outlet is combined to form the box structure with an inner chamber, sound gobo is provided with exhaust duct, the axis of exhaust duct is parallel with the axis of motor, is evenly equipped with bloop on the air draft plate.

The further technical scheme of the utility model is: a kind of dust catcher noise reduction silencing means, air-out passage between comprising from the motor to the exhaust outlet, be provided with sound gobo between motor and exhaust outlet, that air exhaust passage is cut off in the described air-out passage, air draft plate in sound gobo and the exhaust outlet is combined to form the box structure with an inner chamber, sound gobo is provided with exhaust duct, the axis of exhaust duct is parallel with the axis of motor, is evenly equipped with bloop on the air draft plate; Described exhaust duct is positioned at the top of sound gobo, and the top of sound gobo protrudes forward, makes the thickness of the thickness on inner chamber top greater than the inner chamber bottom.

The more detailed technical scheme of the utility model is: a kind of dust catcher noise reduction silencing means, air-out passage between comprising from the motor to the exhaust outlet, be provided with sound gobo between motor and exhaust outlet, that air exhaust passage is cut off in the described air-out passage, air draft plate in sound gobo and the exhaust outlet is combined to form the box structure with an inner chamber, sound gobo is provided with exhaust duct, the axis of exhaust duct is parallel with the axis of motor, is evenly equipped with bloop on the air draft plate; Described exhaust duct is positioned at the top of sound gobo, and the top of sound gobo protrudes forward, makes the thickness of the thickness on inner chamber top greater than the inner chamber bottom; The middle and lower part of described sound gobo is provided with depression, to dodge the mount pad of motor; The sound gobo of described depression both sides is provided with several vents.

A kind of dust catcher comprises a motor and the body with an exhaust outlet at least, also comprises a silencing means that is arranged between motor and the exhaust outlet, and this silencing means is provided with several exhaust ducts; Described exhaust duct is circular; Described exhaust duct is positioned at the upside of motor one end; This silencing means also comprises a depression, to accommodate the mount pad of motor.

The utility model has the advantages that:

1. the utility model is equipped with sound gobo in the air-out passage, and sound gobo is provided with discharge pipe, has increased the tortuosity of air-out passage, and the energy of sound wave is lost in communication process, thereby reaches the effect that reduces noise.

2. the utility model sound gobo and air draft plate are combined to form the box structure with an inner chamber, and sound gobo is provided with exhaust duct, the air draft plate is provided with bloop, produce Volume Changes when making air-out enter sound gobo, thereby reach the effect that reduces noise.

Description of drawings

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

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is stereogram of the present utility model (removing the dust collector upper cover plate);

Fig. 3 is stereogram of the present utility model (removes the dust collector upper cover plate and cut the dust catcher right part);

Fig. 4 is the front perspective view of sound gobo;

Fig. 5 is the rear perspective view of sound gobo;

Fig. 6 is the sectional structure chart of sound gobo.

Wherein: 1 motor; 2 exhaust outlets; 3 air-out passages; 4 sound gobos; 5 air draft plates; 6 inner chambers; 7 exhaust ducts; 8 bloops; 9 depressions; 10 mount pads; 11 vents.

The specific embodiment

Embodiment: as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, a kind of dust catcher noise reduction silencing means, comprise from motor 1 to exhaust outlet the air-out passage 32, be provided with in the described air-out passage 3 between motor 1 and exhaust outlet 2, the sound gobo 4 of air exhaust passage 3 partitions, air draft plate 5 in sound gobo 4 and the exhaust outlet 2 is combined to form the box structure with an inner chamber 6, protrude forward on the top of sound gobo 4, make the thickness of the thickness on inner chamber 6 tops greater than inner chamber 6 bottoms, the top of sound gobo 4 is provided with exhaust duct 7, the axis of exhaust duct 7 is parallel with the axis of motor 1, be evenly equipped with bloop 8 on the air draft plate 5, the middle and lower part of sound gobo 4 is provided with depression 9, with the mount pad 10 of dodging motor 1, the sound gobo 4 of 9 both sides of caving in is provided with several vents 11.

A kind of dust catcher, at least comprise a motor 1 and body with an exhaust outlet 2, comprise a silencing means that is arranged between motor 1 and the exhaust outlet 2, silencing means also comprises a depression 9, with the mount pad 10 of accommodating motor 1, this silencing means is provided with several exhaust ducts 7, and exhaust duct 7 is circular, and exhaust duct 7 is positioned at the upside of motor 1 one ends.

In the foregoing description, described exhaust duct 5 also can be arranged on bottom, left part or the right part of sound gobo 4, caves in 9 accordingly, the position of vent 11 also will do speed governing slightly.

In the foregoing description, the diameter of exhaust duct 5 is that 2-100 millimeter, length are the 5-500 millimeter.

During use, cleaned air through separator elimination dust is discharged from motor 1, can not directly discharge from exhaust outlet 2 owing to stopping of sound gobo 4, enter into inner chamber 6 behind the exhaust duct 7 of must upwards flowing through, discharge from exhaust outlet 2 through the bloop 8 on the air draft plate 5 again.

The utility model is equipped with sound gobo 4 in air-out passage 3, and sound gobo 4 is provided with discharge pipe 5, has increased the tortuosity of air-out passage, and the energy of sound wave is lost in communication process, thereby reaches the effect that reduces noise; The utility model sound gobo 4 is combined to form the box structure with an inner chamber 6 with air draft plate 5, sound gobo 4 is provided with exhaust duct 7, air draft plate 5 is provided with bloop 8, produce Volume Changes when making air-out enter sound gobo 4, thereby reach the effect that reduces noise.

Claims

1. dust catcher noise reduction silencing means, comprise from motor (1) to the air-out passage (3) the exhaust outlet (2), it is characterized in that: be provided with in the described air-out passage (3) and be positioned at sound gobo (4) between motor (1) and the exhaust outlet (2), that air exhaust passage (3) is cut off, air draft plate (5) in sound gobo (4) and the exhaust outlet (2) is combined to form the box structure with inner chamber (6), sound gobo (4) is provided with exhaust duct (7), the axis of exhaust duct (7) is parallel with the axis of motor (1), is evenly equipped with bloop (8) on the air draft plate (5).

2. dust catcher noise reduction silencing means according to claim 1, it is characterized in that: described exhaust duct (5) is positioned at the top of sound gobo (4), and protrude forward on the top of sound gobo (4), makes the thickness of the thickness on inner chamber (6) top greater than inner chamber (6) bottom.

3. dust catcher noise reduction silencing means according to claim 2 is characterized in that: the middle and lower part of described sound gobo (4) is provided with depression (9), with the mount pad (10) of dodging motor (1).

4. dust catcher noise reduction silencing means according to claim 3 is characterized in that: the sound gobo (4) of described depression (9) both sides is provided with several vents (11).

5. dust catcher comprises a motor (1) and has the body of an exhaust outlet (2) that it is characterized in that: also comprise a silencing means that is arranged between motor (1) and the exhaust outlet (2), this silencing means is provided with several exhaust ducts (7) at least.

6. dust catcher according to claim 5 is characterized in that: described exhaust duct (7) is for circular.

7. dust catcher according to claim 5 is characterized in that: described exhaust duct (7) is positioned at the upside of motor (1) one end.

8. dust catcher according to claim 5 is characterized in that: this silencing means also comprises a depression (9), with the mount pad (10) of accommodating motor (1).