CN108903773B

CN108903773B - Inner double-inlet type multistage separation type dust collector

Info

Publication number: CN108903773B
Application number: CN201810798029.7A
Authority: CN
Inventors: 周荣; 郑良宝
Original assignee: Ningbo Haiji Electric Appliance Co ltd
Current assignee: Ningbo Haiji Electric Appliance Co ltd
Priority date: 2018-07-19
Filing date: 2018-07-19
Publication date: 2020-09-18
Anticipated expiration: 2038-07-19
Also published as: CN108903773A

Abstract

The invention discloses an internal double-inlet multistage separation type dust collector, which comprises a shell, a dust cup and a dust collection motor, wherein the shell is provided with a plurality of inlet holes; the dust cup comprises a cup body, a cup cover and a bottom cover; the dust cup is provided with a first air inlet and a first air outlet, a filter cylinder and a secondary separator are arranged in the cup body, the cup cover and the cup body are separated by the secondary separator, the secondary separator comprises a plurality of cyclone separation conical cylinders, the caliber of the lower end of each cyclone separation conical cylinder is smaller than that of the upper end of each cyclone separation conical cylinder, two tangential air inlet pipes located inside the cup cover are arranged on the side wall of each cyclone separation conical cylinder, the lower ends of the cyclone separation conical cylinders are communicated with the inside of the filter cylinder, the upper ends of the cyclone separation conical cylinders are communicated with the inside of the cup cover, and a main suction. The invention has the beneficial effects that: can disperse the air current to increase the relative velocity of flow of every one dispersion air current, and through increasing relative air input, strengthened the centrifugal separation effect, the final separation of dust is effectual, and the dust absorption capacity is strong.

Description

Inner double-inlet type multistage separation type dust collector

Technical Field

The invention belongs to the technical field of dust collectors, and particularly relates to an internal double-inlet multistage separation type dust collector.

Background

The dust collector is a common electric appliance, and the working principle of the dust collector is as follows: the dust suction motor is used for generating air negative pressure in the sealed shell and sucking dust. The vacuum cleaners are of various types, and can be classified into a vertical type, a horizontal type, a portable type and the like according to the structure, and can be mainly classified into a cyclone separation type, a dust bag separation type, an electrostatic dust collection type and the like according to the separation mode. The cyclone separation type dust collector mainly utilizes a centrifugal separation principle to enhance a dust (dust) separation effect, and is widely used at present, however, the conventional cyclone separation type dust collector cannot fully play a centrifugal separation effect due to attenuation in an airflow flowing process, and actual dust separation effect is poor.

Disclosure of Invention

The invention provides an internal double-inlet multistage separation type dust collector which can disperse airflow to increase the relative flow velocity of each dispersed airflow, and enhances the centrifugal separation effect by increasing the relative air inflow, so that the final separation effect of dust is good, and the dust collection capacity is strong.

In order to achieve the purpose, the invention adopts the following technical scheme:

an internal double-inlet multistage separation type dust collector comprises

A machine shell, a dust cup and a dust collection motor; the dust cup comprises a cup body, a cup cover and a bottom cover, the cup cover is clamped with the cup body, and the bottom cover is clamped with the cup body;

the dust cup is provided with a first air inlet and a first air outlet, a filter cylinder and a secondary separator are arranged in the cup body, the cup cover and the cup body are separated by the secondary separator, the secondary separator comprises a plurality of cyclone separation conical cylinders, the caliber of the lower end of each cyclone separation conical cylinder is smaller than that of the upper end of each cyclone separation conical cylinder, two tangential air inlet pipes positioned in the cup cover are arranged on the side wall of each cyclone separation conical cylinder, the lower ends of the cyclone separation conical cylinders are communicated with the interior of the filter cylinder, and the upper ends of the cyclone separation conical cylinders are communicated with;

the main suction port, the first air inlet, the first air outlet, the dust collection motor air inlet, the dust collection motor air outlet and the main discharge port are sequentially communicated.

Preferably, the secondary separator comprises a lower half body and an upper half body, the cyclone separation cone cylinder comprises a lower half separation cone and an upper half separation cone in butt joint communication with the lower half separation cone, each lower half separation cone is arranged on the lower half body, each upper half separation cone is arranged on the upper half body, the tangential air inlet pipe comprises a lower half air inlet pipe and an upper half air inlet pipe, each lower half air inlet pipe is arranged on the lower half body, and each upper half air inlet pipe is arranged on the upper half body.

Preferably, on a cyclone cone: the two tangential air inlet pipes are arranged along the axis of the cyclone separation cone cylinder in a centrosymmetric manner.

Preferably, the bottom is through lower joint structure and cup joint, and lower joint structure is including setting up lower pin thread and the lower box of setting on the cup on the bottom, and lower pin thread and lower box cooperation joint, the bottom is articulated through lower hinge and cup.

Preferably, the cup cover is clamped with the cup body through an upper clamping structure, the upper clamping structure comprises an upper male buckle arranged on the cup cover and an upper female buckle arranged on the cup body, and the upper male buckle and the upper female buckle are in matched clamping connection.

Preferably, the machine shell is provided with a front small wheel and two main large wheels which are coaxially arranged, and the front small wheel is a universal wheel.

Preferably, the filter cylinder is provided with an inner ash cylinder penetrating through the bottom of the filter cylinder, and the lower end of the cyclone separation cone cylinder is positioned in the inner ash cylinder and is communicated with the interior of the inner ash cylinder.

Preferably, the bottom cover is provided with an elastic convex sealing head which seals the lower end of the inner ash cylinder.

Preferably, the mop comprises a dust absorption mop, an elastic corrugated pipe and an operation hard pipe, wherein a mop cavity is arranged in the dust absorption mop, the dust absorption mop is provided with a bottom suction port communicated with the mop cavity and an upper air outlet pipe communicated with the mop cavity, the lower end of the operation hard pipe is connected and communicated with the upper air outlet pipe in a clamping manner, the upper end of the operation hard pipe is connected and communicated with one end of the elastic corrugated pipe in a clamping manner, the other end of the elastic corrugated pipe is connected and communicated with a main suction port in a clamping manner, and the dust absorption mop is provided with a mop front wheel and two mop rear wheels which are coaxially arranged.

Preferably, the lower part of the front end of the dust-absorbing mop is provided with a front suction hole, the front suction hole is provided with a cross column which is matched with the front suction hole in a sliding and sealing way, the cross column comprises an inner guiding hemispherical head, a column body and an outer guiding hemispherical head which are sequentially connected, a sealing plate for sealing a bottom suction port is arranged in a mop cavity, one side of the sealing plate, which is close to the front suction hole, is hinged with the inner bottom surface of the dust-absorbing mop, the inner guiding hemispherical head is provided with a pressing plate for pressing down the sealing plate, a margin gap is arranged between the pressing plate and the sealing plate, the inner cavity of the mop is provided with a connecting rope, a pull rope spring, a sliding block connected with the pressing plate and a limiting block fixed with the dust-absorbing mop, one end of the connecting rope is connected with the top surface, the other end of the connecting rope is connected with one end of the pull rope spring, the other end of the, the cross column is provided with a protective rod, the protective rod is provided with a protective elastic body used for contacting a wall surface, and the diameter of the protective rod is smaller than the aperture of the front suction hole.

The invention has the beneficial effects that: the air flow can be dispersed to increase the relative flow velocity of each dispersed air flow, and the centrifugal separation effect is enhanced by increasing the relative air inflow, so that the final separation effect of dust is good, and the dust collection capacity is strong; when the dust collection device is used, the main suction port can be butted with any conventional dust collection structure (such as a dust collection mop, a dust collection brush, a dust collection hard pipe, a dust collection suction nozzle and the like), then dust is collected by the dust collection structure, and the dust is discharged from the main discharge port after passing through the dust collection structure, the main suction port, the first air inlet, the first air outlet, the dust collection motor air inlet and the dust collection motor air outlet in sequence along with air flow. When the airflow passes through the filter cartridge, coarse ash is blocked and falls into the filter cartridge, and after the airflow enters the filter cartridge, a large part of the airflow continuously enters each tangential air inlet pipe and then enters the cyclone separation conical barrel to realize cyclone centrifugal separation. The cyclone separation cone cylinder is different from the conventional cyclone separation cone cylinder and is provided with double inlets, so that on the premise of not increasing dust collection power, the relative air inlet amount is larger, the flow velocity of cyclone airflow is higher, the separation effect is stronger, and the final dust collection, separation and cleaning effects are better; the two tangential air inlet pipes are arranged in a central symmetry manner, so that for each cyclone separation cone, the two air inlet flows have relatively small conflict, the air inlet balance is better, the air flow is enhanced, and the centrifugal separation effect of dust is guaranteed; the bottom cover can be opened or buckled relative to the cup body, and when the bottom cover is opened, the bottom cover can not be completely separated from the cup body, so that the dust dumping operation is facilitated; the cup cover can be opened or closed relative to the cup body; the main large wheel and the front small wheel are beneficial to the movement of the machine shell and the whole body on the ground, so that the operation is convenient for a user; coarse ash can not pass through the filter cylinder, so the coarse ash can be left in the filter cylinder and outside the inner ash cylinder, and fine ash can fall into the inner ash cylinder after being separated by each cyclone separation cone cylinder. The dust can be separated in thickness, the separation effect can be guaranteed, and subsequent cleaning is facilitated; the extension wind channel can fall the noise to inside air current, and the cotton layer of making an uproar of falling can fall the noise to final exhaust air current.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a schematic view of the internal structure of embodiment 1 of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of the structure at the lower half of embodiment 1 of the present invention;

FIG. 5 is a schematic structural view at the upper half of example 1 of the present invention;

FIG. 6 is a partial structural view of embodiment 2 of the present invention;

FIG. 7 is a partial structural view of embodiment 3 of the present invention

FIG. 8 is an enlarged view at B in FIG. 7;

FIG. 9 is an enlarged view at C in FIG. 7;

fig. 10 is an enlarged view at D in fig. 7.

In the figure; the dust-collecting device comprises a machine shell 1, a main suction opening 1a, an extension air duct 1b, a main bull wheel 11, a noise reduction cotton layer 12, a dust cup 2, a cup body 21, a cup cover 22, an upper male buckle 221, a bottom cover 23, a lower male buckle 231, an elastic convex end socket 232, a dust-collecting motor 3, a filter cartridge 4, an inner ash cylinder 41, a cyclone separation cone cylinder 51, a lower half separation cone 511, an upper half separation cone 512, a lower half air inlet pipe 521, an upper half air inlet pipe 522, a lower half body 53, an upper half body 54, a dust-collecting mop 6, a mop cavity 6a, a bottom suction opening 6b, a front suction hole 6c, an upper air outlet pipe 61, a mop rear wheel 62, a cross column 63, an inner guide head 631, a column body 632, an outer guide hemispherical head 633, a closing plate 64, a pressing plate 65, a connecting rope 66, a pull rope spring 67, a sliding block 681, a limiting block 682, a limiting spring 683, a protecting rod 69, a front sliding chute 69 a.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

Example 1: as shown in figures 1, 2, 3, 4, 5,

an internal double-inlet multistage separation type dust collector comprises

A machine shell 1, a dust cup 2 and a dust collection motor 3; the dust cup comprises a cup body 21, a cup cover 22 and a bottom cover 23, the cup cover is clamped with the cup body, and the bottom cover is clamped with the cup body;

the dust cup is provided with a first air inlet and a first air outlet, a filter cylinder 4 and a secondary separator are arranged in the cup body, the cup cover and the cup body are separated by the secondary separator, the secondary separator comprises a plurality of cyclone separation conical cylinders 51, the caliber of the lower end of each cyclone separation conical cylinder is smaller than that of the upper end of each cyclone separation conical cylinder, two tangential air inlet pipes positioned in the cup cover are arranged on the side walls of the cyclone separation conical cylinders, the lower ends of the cyclone separation conical cylinders are communicated with the interior of the filter cylinder, and the upper ends of the cyclone separation conical cylinders are communicated with;

the main suction port 1a and the main exhaust port are arranged on the machine shell, and the main suction port, the first air inlet, the first air outlet, the dust collection motor air inlet, the dust collection motor air outlet and the main exhaust port are communicated in sequence.

The two-stage separator comprises a lower half body 53 and an upper half body 54, the cyclone separation cone cylinder comprises a lower half separation cone 511 and an upper half separation cone 512 which is in butt joint communication with the lower half separation cone, each lower half separation cone is arranged on the lower half body, each upper half separation cone is arranged on the upper half body, the tangential air inlet pipe comprises a lower half air inlet pipe 521 and an upper half air inlet pipe 522, each lower half air inlet pipe is arranged on the lower half body, and each upper half air inlet pipe is arranged on the upper half body.

The principle of cyclone centrifugal separation: a cyclone separation cone belongs to the prior art in the field of dust collectors, and the main principle is that tangential air inlet is utilized, airflow flows along the wall in a swirling mode and goes downwards, and in the process, due to the action of centrifugal force, dust is thrown onto the inner wall of the cyclone separation cone, falls along the wall finally and is collected. And when the airflow approaches to the lower end of the cyclone separation cone, the airflow starts to converge, rises from the central axis of the cyclone separation cone and then leaves the cyclone separation cone.

When the dust collection device is used, the main suction port can be butted with any conventional dust collection structure (such as a dust collection mop, a dust collection brush, a dust collection hard pipe, a dust collection suction nozzle and the like), then dust is collected by the dust collection structure, and the dust is discharged from the main discharge port after passing through the dust collection structure, the main suction port, the first air inlet, the first air outlet, the dust collection motor air inlet and the dust collection motor air outlet in sequence along with air flow. When the airflow passes through the filter cartridge, coarse ash is blocked and falls into the filter cartridge, and after the airflow enters the filter cartridge, a large part of the airflow continuously enters each tangential air inlet pipe and then enters the cyclone separation conical barrel to realize cyclone centrifugal separation. The cyclone separation cone cylinder is different from the conventional cyclone separation cone cylinder and is provided with double inlets, so that on the premise of not increasing dust collection power, the relative air inlet amount is larger, the flow velocity of cyclone airflow is higher, the separation effect is stronger, and the final dust collection, separation and cleaning effects are better.

On a cyclone cone: the two tangential air inlet pipes are arranged along the axis of the cyclone separation cone cylinder in a centrosymmetric manner. Two tangential air inlet pipes are arranged in a central symmetry manner, for each cyclone separation cone, the two air inlet air flows have small relative conflict, the air inlet balance is better, the air flow is strengthened, and the centrifugal separation effect of dust is guaranteed.

The bottom is through lower joint structure and cup joint, and lower joint structure is including setting up lower pin thread 231 on the bottom and setting up the lower box on the cup, and lower pin thread and lower box cooperation joint, the bottom is articulated through lower hinge and cup. The bottom cover can be opened or buckled relative to the cup body, and when the bottom cover is opened, the bottom cover cannot be completely separated from the cup body, so that the dust dumping operation is facilitated.

The cup cover is clamped with the cup body through the upper clamping structure, the upper clamping structure comprises an upper male buckle 221 arranged on the cup cover and an upper female buckle arranged on the cup body, and the upper male buckle and the upper female buckle are in matched clamping connection. The cup cover can be opened or buckled relative to the cup body.

The machine shell is provided with a front small wheel and two main large wheels 11 which are coaxially arranged, and the front small wheel is a universal wheel. The main large wheel and the front small wheel are beneficial to the movement of the casing and the whole body on the ground, and are convenient for a user to operate.

The filter cylinder is provided with an inner ash cylinder 41 penetrating through the bottom of the filter cylinder, and the lower end of the cyclone separation conical cylinder is positioned in the inner ash cylinder and communicated with the inside of the inner ash cylinder. And an elastic convex sealing head 232 is arranged on the bottom cover and seals the lower end of the inner ash cylinder. The elastic convex end socket ensures that coarse ash can not pass through the filter cylinder, so the coarse ash can be left in the filter cylinder and outside the inner ash cylinder, and fine ash can fall into the inner ash cylinder after being separated by each cyclone separation conical cylinder. Therefore, the dust can be separated in thickness, the separation effect can be guaranteed, and subsequent cleaning is facilitated.

An extension air duct 1b is arranged in the machine shell, an air outlet of the dust collection motor is communicated with a main exhaust port through the extension air duct, and a noise reduction cotton layer 12 is arranged on the main exhaust port. The extension wind channel can fall the noise to inside air current, and the cotton layer of making an uproar of falling can fall the noise to final exhaust air current.

Example 2: based on example 1, as shown in fig. 6,

still include the dust absorption mop 6, elastic bellows and operation hard tube 7, be equipped with in the dust absorption mop and drag chamber 6a, be equipped with on the dust absorption mop with the mop chamber intercommunication the end inhale mouth 6b and with the mop chamber intercommunication go up out tuber pipe 61, operation hard tube lower extreme and last play tuber pipe joint and intercommunication, operation hard tube upper end and elastic bellows one end joint and intercommunication, the elastic bellows other end just communicates with main suction inlet joint, the dust absorption mop is equipped with a mop front wheel and two coaxial arrangement's mop rear wheel 62. When the dust-absorbing mop is used, the hard pipe can be held and operated to drive the dust-absorbing mop to move on the ground, so that dust is absorbed everywhere.

Example 3: based on the embodiment 2, as shown in fig. 7, 8, 9 and 10,

the dust-absorbing mop is characterized in that a front suction hole 6c is formed in the lower portion of the front end of the dust-absorbing mop, a cross column 63 in sliding sealing fit with the front suction hole is arranged on the front suction hole and comprises an inner guiding hemispherical head 631, a column body 632 and an outer guiding hemispherical head 633 which are sequentially connected, a sealing plate 64 for sealing a bottom suction port is arranged in a mop cavity, one side, close to the front suction hole, of the sealing plate is hinged to the inner bottom surface of the dust-absorbing mop, a pressing plate 65 for pressing the sealing plate downwards is arranged on the inner guiding hemispherical head, a margin gap is formed between the pressing plate and the sealing plate, a connecting rope 66, a pull rope spring 67, a sliding block 681 connected with the pressing plate and a limiting block 682 fixed with the dust-absorbing mop are arranged in the mop cavity of the mop, one end of the connecting rope is connected with the top surface of the sealing plate, the other end of the connecting rope is connected with one end of the pull, the other end of the limiting spring is connected with the sliding block, the cross column is provided with a protective rod 69, the protective rod is provided with a protective elastic body 691 for contacting a wall surface, and the diameter of the protective rod is smaller than the aperture of the front suction hole.

After the column body slides for four fifths of the length of the column body into the dust collection mop, the protective rod enters the front suction hole.

Dust absorption mop when carrying out the dust absorption to ground, difficult effective clearance of department to wall angle, in this embodiment, when needs carry out the dust absorption clearance to the basement, the user can make dust absorption mop be close to the wall, the protection elastomer compresses tightly the wall, the spreader moves in, the clamp plate moves towards the shrouding, after the guard bar gets into preceding suction hole, preceding suction hole and external intercommunication, the clamp plate is pressed the shrouding to the bottom suction inlet of seal, at this moment, preceding suction hole department begins to breathe in, can effectively clear up basement. After the user releases the dust-collecting mop, the structures are reset under the action of the springs. This embodiment can not only realize the intensive clearance to the basement, can also carry out collision avoidance: when the common dust absorption mop impacts the wall surface, the wall paper, the wall plate or the dust absorption mop is easy to damage. In addition, because the crosspiece needs to move one end distance and just can make preceding suction hole and external intercommunication, consequently, under ordinary striking, preceding suction hole can not be with external intercommunication, and only user's carelessly goes "lean on the wall", just can realize the intercommunication in preceding suction hole, just can carry out the basement dust absorption, so can avoid the dust absorption ground drags to hit the wall and the switching of preceding suction hole break-make that leads to by mistake, can avoid the dust absorption ground drags to hit the wall and the switching of end suction mouth break-make that leads to by mistake.

The guard bar is provided with a front sliding groove 69a, the guard bar is in sliding fit with the front sliding groove, a groove spring 692 is arranged in the front sliding groove, one end of the groove spring is connected with the protection sliding plate, and the other end of the groove spring is connected with the cross post. When the dust absorption mop leans against the wall fast, the protection slide, groove spring can play the effect of buffering in advance, further avoid causing the damage to wall paper, wallboard or dust absorption mop self on the wall.

Claims

1. An internal double-inlet multistage separation type dust collector is characterized by comprising

the main suction port, the first air inlet, the first air outlet, the dust collection motor air inlet, the dust collection motor air outlet and the main discharge port are communicated in sequence;

the filter cylinder is provided with an inner ash cylinder penetrating through the bottom of the filter cylinder, and the lower end of the cyclone separation conical cylinder is positioned in the inner ash cylinder and is communicated with the interior of the inner ash cylinder;

the bottom cover is provided with an elastic convex sealing head which seals the lower end of the inner ash cylinder;

the dust collection mop is internally provided with a mop cavity, the dust collection mop is provided with a bottom suction port communicated with the mop cavity and an upper air outlet pipe communicated with the mop cavity, the lower end of the operation hard pipe is clamped and communicated with the upper air outlet pipe, the upper end of the operation hard pipe is clamped and communicated with one end of the elastic corrugated pipe, the other end of the elastic corrugated pipe is clamped and communicated with the main suction port, and the dust collection mop is provided with a front mop wheel and two rear mop wheels which are coaxially arranged;

the lower part of the front end of the dust-absorbing mop is provided with a front suction hole, the front suction hole is provided with a cross column which is in sliding sealing fit with the front suction hole, the cross column comprises an inner guiding hemispherical head, a column body and an outer guiding hemispherical head which are sequentially connected, a sealing plate for sealing a bottom suction port is arranged in a mop cavity, one side of the sealing plate, which is adjacent to the front suction hole, is hinged with the inner bottom surface of the dust-absorbing mop, a pressing plate for pressing the sealing plate downwards is arranged on the inner guiding hemispherical head, a margin gap is arranged between the pressing plate and the sealing plate, a connecting rope, a stay rope spring, a sliding block connected with the pressing plate and a limiting block fixed with the dust-absorbing mop are arranged in the mop cavity, one end of the connecting rope is connected with the top surface of the sealing plate, the other end of the connecting rope is connected with one end of the stay rope spring, the other end of the stay, the cross column is provided with a protective rod, the protective rod is provided with a protective elastic body used for contacting a wall surface, and the diameter of the protective rod is smaller than the aperture of the front suction hole;

an extension air duct is arranged in the shell, an air outlet of the dust collection motor is communicated with the main exhaust port through the extension air duct, and a noise reduction cotton layer is arranged on the main exhaust port.

2. The internal double inlet type multi-stage separation type vacuum cleaner as claimed in claim 1, wherein the secondary separator includes a lower half and an upper half, the cyclone cone drum includes a lower half and an upper half in butt communication with the lower half, each of the lower half and the upper half is provided on the lower half, the tangential air inlet duct includes a lower half and an upper half, each of the lower half and the upper half is provided on the lower half, and each of the upper half and the lower half is provided on the upper half.

3. The internal double inlet type multi-stage separation type vacuum cleaner as claimed in claim 1, wherein on a cyclone cone: the two tangential air inlet pipes are arranged along the axis of the cyclone separation cone cylinder in a centrosymmetric manner.

4. The multi-stage separation type vacuum cleaner as claimed in claim 1, 2 or 3, wherein the bottom cover is fastened to the cup body by a lower fastening structure, the lower fastening structure includes a lower male buckle and a lower female buckle, the lower male buckle is fastened to the lower female buckle, and the bottom cover is hinged to the cup body by a lower hinge shaft.

5. The multi-stage separation type vacuum cleaner with the double inlets as claimed in claim 1, 2 or 3, wherein the cup cover is clamped with the cup body by an upper clamping structure, the upper clamping structure comprises an upper male buckle arranged on the cup cover and an upper female buckle arranged on the cup body, and the upper male buckle is clamped with the upper female buckle in a matching manner.

6. The cleaner as claimed in claim 1, wherein the casing has a front small wheel and two main large wheels coaxially disposed thereon, and the front small wheel is a universal wheel.