CN218899308U

CN218899308U - Noise reduction type dust collector with multi-stage air duct

Info

Publication number: CN218899308U
Application number: CN202223155110.4U
Authority: CN
Inventors: 苗超雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-25
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a noise reduction type dust collector with a multi-stage air channel, which comprises an upper cover, a middle cover, a lower cover, a dust collection barrel and a base, wherein the upper cover, the middle cover, the lower cover, the dust collection barrel and the base are arranged from top to bottom, an inner ring, a middle ring and an outer ring which extend downwards and have diameters which are sequentially increased are arranged in the middle cover, the middle cover and the lower cover form a first-stage air channel with an annular structure between the inner ring and the middle ring and a second-stage air channel with an annular structure between the middle ring and the outer ring after being assembled, the inner ring, the middle ring and the outer ring are arranged below the middle cover, the middle cover can form the first-stage air channel and the second-stage air channel which are mutually communicated after being assembled with the lower cover, air can move upwards from the dust collection barrel, enter the first-stage air channel and enter the second-stage air channel and finally are led out from an air outlet pipe, and the cross-sectional area of the first-stage air channel is smaller than the cross-sectional area of the second-stage air channel, so that a certain speed reduction effect can be achieved on air flow, and an effective noise reduction effect can be achieved.

Description

Noise reduction type dust collector with multi-stage air duct

Technical Field

The utility model relates to the technical field of dust collector design, in particular to a noise reduction type dust collector with a multi-stage air duct.

Background

With the development of society, the dust catcher has been used in more and more families and enterprises as a cleaning equipment, however, current dust catcher can produce great noise because the too big collision that causes with the inside spare part of dust catcher when in actual use, though also adopt the mode of installation soundproof cotton to solve noise problem in the prior art, but its effect is not obvious, for example chinese patent application number CN202021466738.4 discloses a dust catcher of making an uproar falls in high efficiency, relate to dust catcher technical field, including base, dust collection bucket and shell, this dust catcher supports the motor support through the spring device that sets up, flexible connection reduces noise when reducing motor vibrations, the motor is unsettled in the motor support to be provided with micropunching board silencer in the motor support inside, noise reduction, air inlet and air outlet all are provided with the amortization cotton, inner wall department of inner shell is provided with micropunching silencer. The dust collector with the structure is provided with the air inlet and the air outlet on the dust collection barrel, and only one air duct is arranged, so that the air flow in the dust collection barrel is disturbed, and the noise cannot be effectively eliminated; in addition, the cover body structure of the existing dust collector is often thin in structure, and when the suction force is overlarge, the problem of deformation of the cover body structure is easily caused, so that the use experience is affected.

Disclosure of Invention

The utility model provides a noise reduction type dust collector with a multi-stage air duct, which aims to solve the noise problem caused by the fact that the existing dust collector in the background technology adopts a single air duct to collect dust and the problem that a cover body structure is thin and easy to deform.

The technical scheme of the utility model is realized as follows:

the utility model provides a formula of making an uproar dust catcher falls in multistage wind channel, includes upper cover, well lid, lower cover, dust collection barrel and the base that top-down set up, the inside of well lid has downwardly extending and the diameter increases in proper order inner ring, zhong guan and outer loop, well lid and lower cover make between inner ring and the zhong form the one-level wind channel of annular structure after the equipment, make between zhong and the outer loop form the second grade wind channel of annular structure, and interval between inner ring and the zhong is less than interval between zhong and the outer loop, set up the intercommunication mouth that switches on one-level wind channel and the second grade wind channel on the periphery of zhong, the tuber pipe is installed to the lateral wall position of well lid, and the tuber pipe is linked together with the second grade wind channel, the tuber pipe setting is in the one side of keeping away from the intercommunication mouth.

Preferably, the center position of the middle cover is provided with a protecting cover which protrudes upwards and is used for accommodating the motor, the motor is fixedly arranged at the center position of the upper surface of the lower cover, and the circumference direction of the protecting cover is provided with a heat dissipation hole.

Preferably, the upper cover is mounted at the upper position of the middle cover through a bolt, a heat dissipation gap is formed between the upper cover and the middle cover, the heat dissipation gap is communicated with the heat dissipation hole, and an operation switch is mounted on the side face of the upper cover and is electrically connected with the motor.

Preferably, the shaft end of the motor extends downwards and is connected with a fan blade, the fan blade is arranged at the upper position of the lower cover, and the cavity where the fan blade is located is communicated with the primary air duct.

Preferably, a ventilation screen is arranged in the middle of the lower cover, and the space where the fan blades are located is communicated with the inner space of the dust collection barrel through holes of the ventilation screen.

Preferably, the lower surface of lower cover has set firmly the filter bowl, the filter bowl has the holding ring that the top is annular structure and the bottom plate of bottom, has set firmly a plurality of risers around holding ring center evenly distributed between holding ring and bottom plate, forms ventilation gap between the adjacent riser, all installs the baffle that extends to holding ring central axis direction on the medial surface of every riser, installs the amortization cotton on the both sides face of baffle.

Preferably, the middle position of the filter bowl is provided with absorbent cotton.

Preferably, a plurality of rib plates which are uniformly distributed around the center of the lower cover are arranged on the lower surface of the lower cover.

Preferably, an air inlet pipe is arranged at the upper position of the dust collection barrel, and soundproof cotton is arranged at the outer wall position of the inner ring, the inner and outer wall positions of the middle ring and the inner wall position of the outer ring.

Preferably, the lower four corners of the base are provided with moving wheels.

By adopting the technical scheme, the utility model has the beneficial effects that:

(1) The inner ring, the middle ring and the outer ring are arranged below the middle cover, so that the middle cover can form a primary air channel and a secondary air channel which are mutually communicated after being assembled with the lower cover, and air can move upwards from the dust collection barrel in the dust collection process, enter the primary air channel first and enter the secondary air channel first and finally are guided out from the air outlet pipe, and the cross section area of the primary air channel is smaller than that of the secondary air channel, so that a certain speed reduction effect can be achieved on air flow, and the effect of effective noise reduction is achieved;

(2) According to the utility model, the soundproof cotton is arranged at the outer wall position of the inner ring, the inner and outer wall positions of the middle ring and the inner wall position of the outer ring, the soundproof cotton is further adopted to play a noise reduction effect under the condition of adopting the secondary air channel to reduce noise, and the noise reduction effect can be achieved by utilizing the soundproof cotton on the baffle plate in the process that air enters the filter bowl from the dust collection barrel, so that the noise reduction reliability of the dust collector is improved;

(3) The rib plates are uniformly distributed on the lower surface of the lower cover and used for reinforcing the structure of the lower cover, so that the deformation resistance of the lower cover can be improved, and the structure is stable and the service life is long.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a cross-sectional perspective view of the present utility model;

FIG. 4 is a diagram showing a connection structure of the upper cover and the middle cover of the present utility model;

FIG. 5 is a front perspective view of the cover of the present utility model;

FIG. 6 is a rear perspective view of the cover of the present utility model;

FIG. 7 is a plan view of the cover of the present utility model;

FIG. 8 is a perspective view of the lower cover of the present utility model;

FIG. 9 is a perspective view of the filter bowl of the present utility model;

fig. 10 is a cross-sectional view of the filter bowl of the present utility model.

Wherein:

1. an upper cover; 2. an operation switch; 3. a middle cover; 301. a first support plate; 302. a second support plate; 303. a protective cover; 304. a heat radiation hole; 305. a communication port; 306. an inner ring; 307. a middle ring; 308. an outer ring; 309. a primary air duct; 310. a secondary air duct; 311. soundproof cotton; 4. a motor; 5. a fan blade; 6. a lower cover; 601. a ventilation screen; 602. rib plates; 7. a filter bowl; 701. a positioning ring; 702. a bottom plate; 703. a vertical plate; 704. a partition plate; 705. silencing cotton; 8. a dust collection barrel; 9. a base; 10. a moving wheel; 11. an air inlet pipe; 12. locking; 13. a water-absorbing cotton; 14. a heat dissipation gap; 15. and (5) an air outlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in the figure, the noise reduction type dust collector with the multi-stage air duct comprises an upper cover 1, a middle cover 3, a lower cover 6, a dust collection barrel 8 and a base 9 which are arranged from top to bottom, wherein the upper cover 1 is connected with the middle cover 3 through bolts, the middle cover 3 is connected with the lower cover 6 through bolts, and after the upper cover 1, the middle cover 3 and the lower cover 6 are assembled, the dust collection barrel 8 is buckled with the lower cover 6 through lock catches 12 at two sides.

The inside of the middle cover 3 is provided with an inner ring 306, an intermediate ring 307 and an outer ring 308 which extend downwards and have diameters which are sequentially increased, wherein the inner ring 306, the intermediate ring 307 and the outer ring 308 are uniformly connected to the bottom of the middle cover 3 and coaxially arranged, a primary air duct 309 which is in an annular structure is formed between the inner ring 306 and the intermediate ring 307 after the middle cover 3 and the lower cover 6 are assembled, a secondary air duct 310 which is in an annular structure is formed between the intermediate ring 307 and the outer ring 308, the interval between the inner ring 306 and the intermediate ring 307 is smaller than the interval between the intermediate ring 307 and the outer ring 308, and the arrangement is such that the cross-sectional area of the primary air duct 309 is smaller than the cross-sectional area of the secondary air duct 310, so that when air enters the secondary air duct 310 from the primary air duct 309, the airflow velocity can be reduced, and the noise reduction effect is realized, the secondary air duct 310 is further reduced from the secondary air duct 310 after the secondary air duct is arranged at the side of the intermediate ring 307.

Specifically, the center of the middle cover 3 has a protecting cover 303 protruding upwards and used for accommodating the motor 4, the motor 4 is fixedly arranged at the center of the upper surface of the lower cover 6, a heat dissipation hole 304 is formed in the circumferential direction of the protecting cover 303, the motor 4 is fixed on the surface of the lower cover 6 by a bolt, the provided protecting cover 303 can protect the motor 4 firstly, and secondly, noise generated when the motor 4 works is reduced by adding the protecting cover 303; the protecting cover 303 is provided with a heat dissipation hole 304 for diffusing heat generated during the operation of the motor 4.

Specifically, the upper cover 1 is mounted on the upper portion of the middle cover 3 by bolts, and a heat dissipation gap 14 is formed between the upper cover 1 and the middle cover 3, wherein a first support plate 301 and a second support plate 302 extending upwards are provided at the middle portion and the edge portion of the middle cover 3, and the tops of the first support plate 301 and the second support plate 302 are in contact with the lower surface of the upper cover 1, so that after the upper cover 1 and the middle cover 3 are assembled, the heat dissipation gap 14 can be formed between the upper cover 1 and the middle cover 3, and the heat dissipation gap 14 is communicated with the heat dissipation holes 304, more specifically, the heat dissipation gap 14 is located at the peripheral edge position below the upper cover 1, so that the heat generated during the operation of the motor 4 is mainly diffused from the heat dissipation gap 14 to the outside air, the heat dissipation effect is improved, an operation switch 2 is mounted on the side of the upper cover 1, and the operation switch 2 is electrically connected with the motor 4, so that the operation switch 2 is used for controlling the motor 4.

Specifically, the shaft end of the motor 4 extends downwards and is connected with a fan blade 5, the fan blade 5 is arranged above the lower cover 6, and the cavity where the fan blade 5 is located is communicated with the primary air duct 309, that is, when the motor 4 drives the fan blade 5 to rotate, the fan blade 5 forms negative pressure below, so that air in the dust collecting barrel 8 is discharged outwards.

Specifically, a ventilation screen 601 is disposed in the middle of the lower cover 6, and the space where the fan blades 5 are located is communicated with the inner space of the dust collection barrel 8 by holes of the ventilation screen 601.

Specifically, the lower surface of the lower cover 6 is fixedly provided with a filter bowl 7, the filter bowl 7 is provided with a positioning ring 701 with an annular structure at the upper part and a bottom plate 702 at the bottom, a plurality of vertical plates 703 uniformly distributed around the center of the positioning ring 701 are fixedly arranged between the positioning ring 701 and the bottom plate 702, ventilation gaps are formed between adjacent vertical plates 703, a partition plate 704 extending towards the central axis direction of the positioning ring 701 is arranged on the inner side surface of each vertical plate 703, noise reduction cotton 705 is arranged on the two side surfaces of the partition plate 704, the air flow can be guided by the partition plate 704, so that the air is concentrated towards the central direction of the filter bowl 7, and the noise reduction cotton 705 is arranged to prevent the problem that the partition plate 704 vibrates and generates noise due to overlarge air flow.

Specifically, a water absorbing cotton 13 is installed at the middle position of the filter bowl 7 and is used for absorbing moisture in air so as to achieve the aim of dehumidification.

Specifically, the lower surface of the lower cover 6 is provided with a plurality of rib plates 602 uniformly distributed around the center of the lower cover 6, so as to reinforce the lower cover 6 and prevent the lower cover from deforming, which is beneficial to prolonging the service life of the lower cover 6.

Specifically, the air inlet pipe 11 is installed at the upper position of the dust collecting barrel 8, and the soundproof cotton 311 is installed at the outer wall position of the inner ring 306, the inner and outer wall positions of the middle ring 307 and the inner wall position of the outer ring 308, so that the arrangement is to utilize the soundproof cotton 311 to further realize the soundproof effect and improve the noise reduction quality on the premise of adopting the multi-stage air duct to realize noise reduction.

Specifically, the moving wheels 10 are installed at four corners of the bottom of the base 9, the base 9 is connected below the dust collection barrel 8 by means of a buckle, wherein the bottom of the dust collection barrel 8 is in a closed state, the buckle connection belongs to a conventional technical means in the prior art, the structure and principle of the buckle connection are not repeated herein, and the moving wheels 10 are universal wheels so as to facilitate pushing the dust collector to move.

Working principle: the air inlet pipe 11 can be connected with a flat suction pipe, the operation switch 2 is controlled to enable the motor 4 to be started, impurities such as dust on the ground and the like can be guided into the air inlet pipe 11 by utilizing the flat suction pipe and finally sent into the dust collection barrel 8, the impurities such as dust and the like fall on the bottom of the dust collection barrel 8 under the action of gravity, air is filtered through the filter bowl 7 under the action of negative pressure, when the moisture is overlarge, moisture can be absorbed by utilizing the absorbent cotton 13, the filtered air moves upwards, passes through the ventilation screen 601 in the middle position of the lower cover 6, enters the cavity where the fan blade 5 is located, continuously moves into the first-stage air channel 309 formed by the inner ring 306 and the middle ring 307 of the middle cover 3, flows to the position of the communication port 305 in the first-stage air channel 309, enters the second-stage air channel 310 formed by the middle ring 307 and the outer ring 308, and finally is guided out from the air outlet pipe 15 through the second-stage air channel 310, and dust collection work is completed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a noise reduction formula dust catcher in multistage wind channel, its characterized in that includes upper cover (1), well lid (3), lower cover (6), dust collection barrel (8) and base (9) that top-down set up, the inside of well lid (3) has downwardly extending and diameter increases in proper order interior ring (306), zhong (307) and outer loop (308), well lid (3) and lower cover (6) make between interior ring (306) and zhong (307) form annular structure's one-level wind channel (309) after the equipment, make between zhong (307) and the outer loop (308) form annular structure's second grade wind channel (310), and interval between interior ring (306) and zhong (307) is less than interval between zhong (307) and the outer loop (308), set up on the periphery of zhong (307) and carry out intercommunication mouth (305) that switch on one-level wind channel (309) and second grade wind channel (310), air-out pipe (15) are installed to the lateral wall position of well lid (3), air-out pipe (15) are linked together with wind second grade wind channel (310), set up one side that keeps away from intercommunication mouth (305).

2. The multi-stage tunnel noise-reducing vacuum cleaner of claim 1, wherein: the center position of the middle cover (3) is provided with a protective cover (303) which protrudes upwards and is used for accommodating the motor (4), the motor (4) is fixedly arranged at the center position of the upper surface of the lower cover (6), and the circumferential direction of the protective cover (303) is provided with a heat dissipation hole (304).

3. The multi-stage tunnel noise-reducing vacuum cleaner of claim 2, wherein: the upper cover (1) is arranged at the upper position of the middle cover (3) through bolts, a heat dissipation gap (14) is formed between the upper cover (1) and the middle cover (3), the heat dissipation gap (14) is communicated with the heat dissipation holes (304), an operation switch (2) is arranged on the side face of the upper cover (1), and the operation switch (2) is electrically connected with the motor (4).

4. The multi-stage tunnel noise-reducing vacuum cleaner of claim 2, wherein: the shaft end of the motor (4) extends downwards and is connected with a fan blade (5), the fan blade (5) is arranged at the upper position of the lower cover (6), and a cavity where the fan blade (5) is located is communicated with the primary air duct (309).

5. A multi-stage tunnel noise-reducing vacuum cleaner as defined in claim 3, wherein: the middle position of the lower cover (6) is provided with a ventilation screen (601), and the space where the fan blades (5) are located is communicated with the inner space of the dust collection barrel (8) through holes of the ventilation screen (601).

6. The multi-stage tunnel noise-reducing vacuum cleaner of claim 1, wherein: the lower surface of lower cover (6) has set firmly filtration bowl (7), filtration bowl (7) have top be ring structure's holding ring (701) and bottom plate (702) of bottom, set firmly a plurality of risers (703) around holding ring (701) central evenly distributed between holding ring (701) and bottom plate (702), form ventilation gap between adjacent riser (703), all install baffle (704) that extend to holding ring (701) central axis direction on the medial surface of every riser (703), install amortization cotton (705) on the both sides face of baffle (704).

7. The multi-stage tunnel noise-reducing vacuum cleaner of claim 6, wherein: the middle position of the filter bowl (7) is provided with absorbent cotton (13).

8. The multi-stage tunnel noise-reducing vacuum cleaner of claim 1, wherein: the lower surface of the lower cover (6) is provided with a plurality of rib plates (602) which are uniformly distributed around the center of the lower cover (6).

9. The multi-stage tunnel noise-reducing vacuum cleaner of claim 1, wherein: an air inlet pipe (11) is arranged at the upper position of the dust collection barrel (8), and soundproof cotton (311) is arranged at the outer wall position of the inner ring (306), the inner and outer wall positions of the middle ring (307) and the inner wall position of the outer ring (308).

10. The multi-stage tunnel noise-reducing vacuum cleaner of claim 1, wherein: and moving wheels (10) are arranged at four corners below the base (9).