CN210612018U

CN210612018U - Dust collector with noise reduction structure

Info

Publication number: CN210612018U
Application number: CN201921308011.0U
Authority: CN
Inventors: 杨广雄
Original assignee: Zhejiang Longli Science And Technology Co Ltd
Current assignee: Zhejiang Longli Science And Technology Co Ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-26
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a dust catcher with structure of making an uproar falls. The dust collector comprises a dust collector shell, wherein a motor is arranged in the dust collector shell, and a noise reduction structure is arranged in the dust collector shell; the noise reduction structure comprises an inner cover, first spoilers, an outer cover and second spoilers, the inner cover is arranged in a dust collector shell, a motor is arranged in the inner cover, the first spoilers are arranged on the inner wall of the inner cover, a first sound transmission hole is formed between two adjacent first spoilers on the inner cover, the outer cover is arranged outside the inner cover, the second spoilers are arranged on the outer wall of the outer cover, a second sound transmission hole is formed between two adjacent second spoilers on the outer cover, the first sound transmission hole is arranged at a position where the second sound transmission hole is arranged, and the second sound transmission hole is arranged at a position where the second sound transmission hole is arranged in a staggered mode. The utility model discloses a design water conservancy diversion route to the mode of water conservancy diversion slows down noise propagation speed, for soundproof cotton provides sufficient sound absorption time, increases the noise retention time in soundproof cotton, and cooperates the through sound hole of crisscross design, reaches better noise reduction effect.

Description

Dust collector with noise reduction structure

Technical Field

The utility model belongs to the technical field of the dust catcher technique and specifically relates to dust catcher with structure of making an uproar falls.

Background

The motor of the dust collector can generate larger noise in the working process, so that the noise reduction is an important consideration in the design process of manufacturers.

The existing common dust collector usually adopts a mode of increasing soundproof cotton to play a noise reduction effect, but in actual use, the noise reduction effect is not ideal, the reason is that the mode of increasing soundproof cotton is too simple, the noise reduction effect is very limited by purely depending on the soundproof cotton, and therefore, the existing noise reduction structure needs to be further improved and optimized.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dust catcher with structure of making an uproar is fallen to not enough among the prior art.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the dust collector with the noise reduction structure comprises a dust collector shell, wherein a motor is arranged in the dust collector shell, and the noise reduction structure is arranged in the dust collector shell;

the noise reduction structure comprises an inner cover, a plurality of first spoilers, an outer cover and a plurality of second spoilers, the inner cover is arranged in the dust collector shell, the motor is arranged in the inner cover, the first spoilers are uniformly arranged on the inner wall of the inner cover, a plurality of first sound transmission holes are formed between two adjacent first spoilers on the inner cover, the outer cover is arranged outside the inner cover, the second spoilers are uniformly arranged on the outer wall of the outer cover, a plurality of second sound transmission holes are formed between two adjacent second spoilers on the outer cover, and the positions of the first sound transmission holes and the positions of the second sound transmission holes are staggered. A first soundproof cotton is arranged between the inner cover and the outer cover. And second soundproof cotton is arranged between the outer cover and the dust collector shell, one side of the second soundproof cotton is abutted against the dust collector shell, and the other side of the second soundproof cotton is abutted against the outer edge of the second spoiler. Through the mode of water conservancy diversion, slow down noise propagation speed, for the soundproof cotton provides sufficient sound absorption time, increase noise retention time in the soundproof cotton reaches better noise reduction.

In the above technical solution, preferably, the dust collector casing is provided with a plurality of heat dissipation holes. The louvre plays the radiating effect, can supply remaining noise to follow this discharge simultaneously, avoids remaining the noise to kick-back or make equipment produce resonance in equipment inside, promotes the noise reduction effect.

In the above technical solution, preferably, the first spoiler is wave-shaped, and the inner cover is provided with the corresponding first sound transmission hole at a position facing the concave surface of each section of the first spoiler. The second spoiler is wavy, and corresponding second sound transmission holes are formed in the position, facing the concave surface of each section of the second spoiler, of the outer cover. The wavy spoiler forces the noise to be transmitted along the spoiler wall, thereby delaying the transmission speed and improving the noise reduction effect.

Among the above-mentioned technical scheme, preferred, the inner cover includes integrated into one piece's hollow cylindric main part and hourglass hopper-shaped kuppe, first spoiler sets up on the inner wall of hollow cylindric main part, the thermovent has been seted up to hourglass hopper-shaped kuppe bottom. The heat and part of noise are absorbed by the second soundproof cotton after passing through the second spoiler from the heat dissipation opening, a noise propagation path is designed, and the noise reduction effect is improved.

Among the above-mentioned technical scheme, it is preferred, leak hopper-shaped kuppe from top to bottom diameter dwindles gradually, the thermovent is seted up leak hopper-shaped kuppe bottom position department.

In the above technical scheme, preferably, the dust collector shell is arranged on the support body, and the bottom of the support body is provided with a plurality of rear pulleys and a plurality of front pulleys.

In the above technical solution, preferably, the front pulley is a universal wheel.

The utility model has the advantages that: the utility model discloses a design water conservancy diversion route to the mode of water conservancy diversion slows down noise propagation speed, for soundproof cotton provides sufficient sound absorption time, increases the noise retention time in soundproof cotton, and cooperates the through sound hole of crisscross design, reaches better noise reduction effect.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is the utility model discloses the structure schematic diagram of making an uproar falls.

Fig. 3 is a schematic view of the inner cover of the present invention.

Fig. 4 is a schematic view of the cover of the present invention.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 4, the vacuum cleaner with the noise reduction structure comprises a vacuum cleaner housing 1, wherein the noise reduction structure is arranged in the vacuum cleaner housing 1, the vacuum cleaner housing comprises an upper part and a lower part, and the noise reduction structure is preferably arranged at the lower part of the vacuum cleaner housing.

The noise reduction structure comprises an inner cover 2, a plurality of first spoilers 3, an outer cover 4 and a plurality of second spoilers 5.

Inner cover 2 sets up in dust catcher casing 1, motor 6 sets up in the inner cover 2, inner cover 2 includes integrated into one piece's hollow cylindric main part 21 and hourglass hopper-shaped kuppe 22, and hollow cylindric main part 21 is inside hollow, upper and lower both ends opening, and the upper end opening of hourglass hopper-shaped kuppe 22 communicates with hollow cylindric main part 21, and its diameter from top to bottom reduces gradually, has seted up thermovent 221 in the position department of 22 bottoms of hourglass hopper-shaped kuppe.

First spoiler 3 is even sets up on the inner wall of hollow cylindric main part 21, the preferred thirty-four that sets up of quantity that first spoiler 3 set up, first spoiler 3's shape is the wave, and its upper end tip department is the straight strip type, it has seted up a plurality of first sound transmission holes 23 to lie in between two adjacent first spoilers 3 on the inner cover 2, and first sound transmission holes 23 evenly sets up in groups, and every group includes the first sound transmission hole of a plurality of vertical distribution, and quantity is preferred six, simultaneously lie in every section on the inner cover 2 the concave surface of first spoiler 3 towards the position department all seted up correspondingly first sound transmission holes 23.

The outer cover 4 is sleeved outside the inner cover 2, the outer cover 4 is a cylindrical cover body with openings at the upper end and the lower end, the second spoiler 5 is uniformly arranged on the outer wall of the outer cover 4, the second spoiler 5 is wave-shaped, the end part of the lower end of the second spoiler is a straight strip, a plurality of second sound transmission holes 41 are formed between every two adjacent second spoilers 5 on the outer cover 4, the second sound transmission holes are uniformly arranged in groups, each group comprises a plurality of second sound transmission holes which are vertically distributed, the number is preferably six, and meanwhile, the position, facing the concave surface of each second spoiler 5, on the outer cover 4 is provided with the corresponding second sound transmission holes 41.

Preferably, the installation position of the first sound transmitting hole 23 and the installation position of the second sound transmitting hole 41 are staggered with each other.

Inner cover 2 with be provided with first soundproof cotton between the dustcoat 4, dustcoat 4 with be provided with the second soundproof cotton between the dust catcher casing 1, second soundproof cotton one side with the counterbalance of dust catcher casing 1 is leaned on, the opposite side with the counterbalance of the outer edge of second spoiler 5 is leaned on, and second spoiler 5 cooperates with soundproof cotton, reserves the circulation interstitial groove, and the noise enters into the second soundproof cotton after the circulation interstitial groove again in, can promote holistic noise reduction.

Preferably, a plurality of radiating holes 11 are formed in the dust collector shell 1, the radiating holes 11 are uniformly arranged in groups, each group comprises a plurality of radiating holes, and the number of each group is preferably three.

The dust collector shell 1 is arranged on the support body 7, a plurality of rear pulleys 71 and a plurality of front pulleys 72 are arranged at the bottom of the support body 7, and preferably, the front pulleys 72 are universal wheels.

The utility model discloses the theory of operation as follows: after the motor 6 generates noise, the noise is disturbed and surrounded by the first spoiler 3, the noise is reduced by the first sound transmission holes 23 and then flows to the first soundproof cotton, the noise is reduced by the first soundproof cotton and then flows to the second sound transmission holes 41 which are arranged in a staggered mode, and the two sound transmission holes are arranged in a staggered mode, so that the retention time of the noise in the soundproof cotton is prolonged, and a better noise reduction effect is achieved; then, the noise is disturbed and surrounded by the second spoiler 5, so that the noise reduction treatment is carried out by the second soundproof cotton after the propagation speed is reduced, and the residual noise is discharged from the heat dissipation holes 11.

Meanwhile, heat and noise at the fan at the tail part of the motor 6 flow out from the bottom funnel-shaped flow guide cover 22, part of the heat and noise is absorbed by the first soundproof cotton, part of the heat and noise is guided to the circulation clearance groove, and is disturbed and surrounded by the second spoiler 5 and is spread by disturbed flow from bottom to top, and then the heat dissipation air and part of the residual noise of the motor are discharged from the heat dissipation holes 11 after being subjected to noise reduction treatment by the second soundproof cotton.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. Dust catcher with structure of making an uproar falls, including dust catcher casing (1), be provided with motor (6), its characterized in that in dust catcher casing (1): a noise reduction structure is arranged in the dust collector shell (1);

the noise reduction structure comprises an inner cover (2), a plurality of first spoilers (3), an outer cover (4) and a plurality of second spoilers (5), the inner cover (2) is arranged in the dust collector shell (1), the motor (6) is arranged in the inner cover (2), the first spoilers (3) are uniformly arranged on the inner wall of the inner cover (2), a plurality of first sound transmission holes (23) are arranged between two adjacent first spoilers (3) on the inner cover (2), the outer cover (4) is sleeved outside the inner cover (2), the second spoilers (5) are uniformly arranged on the outer wall of the outer cover (4), and a plurality of second sound transmission holes (41) are arranged between two adjacent second spoilers (5) on the outer cover (4), the arrangement position of the first sound transmission hole (23) and the arrangement position of the second sound transmission hole (41) are staggered with each other.

2. The vacuum cleaner with a noise reducing structure according to claim 1, wherein: a first soundproof cotton is arranged between the inner cover (2) and the outer cover (4).

3. The vacuum cleaner with a noise reduction structure according to claim 1 or 2, wherein: and a second soundproof cotton is arranged between the outer cover (4) and the dust collector shell (1), one side of the second soundproof cotton is abutted against the dust collector shell (1), and the other side of the second soundproof cotton is abutted against the outer edge of the second spoiler (5).

4. The vacuum cleaner with a noise reducing structure according to claim 3, wherein: the dust collector shell (1) is provided with a plurality of radiating holes (11).

5. The vacuum cleaner with a noise reducing structure according to claim 1, wherein: the first spoiler (3) is wavy, and the corresponding first sound transmission holes (23) are formed in the positions, facing the concave surface of each section of the first spoiler (3), of the inner cover (2).

6. The vacuum cleaner with a noise reduction structure according to claim 1 or 5, wherein: the second spoiler (5) is wavy, and corresponding second sound transmission holes (41) are formed in the position, facing the concave surface of each section of the second spoiler (5), of the outer cover (4).

7. The vacuum cleaner with a noise reducing structure according to claim 1, wherein: inner cover (2) are including integrated into one piece's hollow cylindric main part (21) and hourglass hopper-shaped kuppe (22), first spoiler (3) set up on the inner wall of hollow cylindric main part (21), thermovent (221) have been seted up to hourglass hopper-shaped kuppe (22) bottom.

8. The vacuum cleaner with a noise reducing structure according to claim 7, wherein: funnel-shaped kuppe (22) from top to bottom diameter dwindles gradually, thermovent (221) are seted up funnel-shaped kuppe (22) bottom position department.

9. The vacuum cleaner with a noise reducing structure according to claim 1, wherein: the dust collector shell (1) is arranged on the support body (7), and a plurality of rear pulleys (71) and a plurality of front pulleys (72) are arranged at the bottom of the support body (7).

10. The vacuum cleaner with a noise reducing structure according to claim 9, wherein: the front pulley (72) is a universal wheel.