CN100352393C

CN100352393C - Integral twice separation dust cup of dust collector

Info

Publication number: CN100352393C
Application number: CNB2005100498802A
Authority: CN
Inventors: 郎维国
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-05-27
Filing date: 2005-05-27
Publication date: 2007-12-05
Anticipated expiration: 2025-05-27
Also published as: CN1701747A

Abstract

The present invention relates to a dust cup of a suction cleaner, which has twice separation functions. The present invention comprises a casing, an air outlet arranged on the casing, an air inlet and a separator arranged in the casing, wherein the air inlet is tangential with the circumference wall of the casing; the separator is provided with an air inlet; a shielding cover is arranged below the air inlet of the separator which is provided with an inner pipe and an outer pipe which are coaxially arranged; the bottoms of the inner pipe and the outer pipe are connected in an enclosed mode; the inner pipe is higher than the outer pipe; the air inlet of the separator is communicated with the air outlet of the dust cup, presents a circular body shape, and is formed by uniform arrangement according to annular array rotation of vanes; the level position of the air inlet of the separator is lower than that of the air inlet of the dust cup. Because a dust removal device for separating dust and air of the present invention uses the coaxial mode arrangement of the inner pipe and the outer pipe, the external volume of a product is largely reduced. Compared with a product in the prior art, the present invention has the characteristics of compact structure, small external volume, little material consumption and good separation effect. Therefore, the present invention is particularly suitable for the development and the manufacture of a vertical suction cleaner or a hand-held vacuum suction cleaner.

Description

The dust cup of dust collector of twice separation of integral type

Technical field

The present invention relates to a kind of dust catcher manufacturing technology field, especially refer to the separator of centrifugal aspirator air and dust.

Background technology

The dust catcher of Chu Shouing adopts centrifugal cyclone principle separation of air and dust more in the market.But not good, the thin dirt of centrifugal aspirator ubiquity separating effect of only establishing the single-stage separator is easily discharged the defective that causes secondary pollution with air.For this reason, the ZL00266255.8 name that October 17 calendar year 2001, State Intellectual Property Office announced is called the utility model patent of " the split-type cyclone dust filter device of dust catcher ", a kind of split-type cyclone dust filter device of dust catcher is disclosed, " comprise a container; container is provided with the outlet of dirty air intlet and cleaned air; described container is separated into thick dirt chamber and thin dirt chamber; thick dirt chamber is provided with rotary barrel; revolve and be provided with the filtration webmaster in the cylindrical shell; dirty air intlet is positioned at the last side of thick dirt chamber, the thin indoor rotating cone that is provided with of dirt, the top of rotating cone is cleaned air outlet ... " after it is divided into the separator of air and dust thick dirt chamber and thin dirt chamber and carries out secondary separation; and both can solve thin dirt and block filter; increase the defective of machine operation load, can prevent effectively again that thin dirt from causing secondary pollution with the air discharge.But, twice separator of this product adopts mode arranged side by side to make up in the dirt cup, establish ventilating duct mutually and connect, exist obviously therefore that overall volume is excessive, air loss big, the cost of raw material increases and be unsuitable in defective and deficiency vertical or that the portable type cleaner product is used.For this reason, people expectation has that a kind of volume is small and exquisite, the dust cup of dust collector product of twice separation function of tool of compact conformation comes out, to overcome defective and the deficiency that volume is excessive and heavy, raw materials consumption is many that prior art exists, satisfy application vertical or the portable type cleaner product.

Summary of the invention

The technical problem to be solved in the present invention is that to overcome the vacuum cleaner dust cup volumes of twice separation function of tool in the prior art big and heavy, can not satisfy vertical or the portable type cleaner product development with make required, and raw materials consumption is many, defect of high cost and deficiency, provide to society that a kind of volume is small and exquisite, the dust cup of dust collector product of twice separation function of tool of compact conformation, satisfy vertical or portable type cleaner Products Development and manufacturing.

The technical solution adopted for the present invention to solve the technical problems is: the dust cup of dust collector of twice separation of integral type, comprise housing, be opened in air outlet on the housing, with the tangent air inlet of housing perisporium be located at separator in the housing, described separator is provided with air inlet, the air inlet below is provided with cage, described separator is provided with two coaxial mounted inner and outer pipes, the bottom lock of inner and outer pipes connects, and the height of interior pipe is lower than the height of outer tube; The separator air inlet communicates by interior Guan Yuchen cup air outlet.

Described separator air inlet is body in the form of a ring, rotates uniform arrangement by blade by annular array and forms.

Described dirt cup air outlet is opened on the bowl cover that is covered on cup, and the separator in the housing links to each other with dirt cup housing by outer tube, the connection support that is provided with centre bore; Described connection support flare, the centre bore below connects a short tube corresponding with interior pipe; The center drop height h of the horizontal level of separator air inlet and dirt cup air inlet is 0～140 millimeter.

Described dirt cup air outlet also can be opened in the bottom of housing, is made of the flared fingers between pipe bottom and the dirt cup housing in being connected in; Separator air inlet top be connected support and link to each other, be fixed in dirt cup top, separator air inlet bottom is fixed on the cage of band centre bore; Described outer tube is located at separator air inlet below, is connected to flared fingers downwards; It is cylindrical to connect the support lower end, links to each other with separator air inlet top, and the connection cantilever tip is tabular and case top is fixed; The center drop height h of the horizontal level of separator air inlet and dirt cup air inlet is 0～140 millimeter.

The dust cup of dust collector of twice separation of integral type of the present invention, the dust arrester that will be used for dust and air separation adopts the inner and outer pipes coaxial manner to arrange, has reduced the overall volume of product.The separator air inlet promptly as the air outlet of clean air, also as the air inlet in interior dirt chamber, has been abandoned horizontal connection of the prior art air channel, helps reducing the blast loss.Generation spiral whirlwind in the dirt chamber in the air inlet of separator is evenly equipped with the blade of helical arrangement, makes has further improved the cleaning effect of dirt separation.Compare than prior art, the dust cup of dust collector of twice separation function of tool of the present invention, structurally compact more, can reduce overall volume greatly, reduce raw-material consumption, and be particularly suitable for vertical or portable type cleaner Products Development and manufacturing.

Description of drawings

Fig. 1 is a kind of contour structures schematic diagram of the present invention.

Fig. 2 is that sectional view is looked on the left side of Fig. 1.

Fig. 3 is that the A-A of Fig. 2 is to cutaway view.

Fig. 4 is the another kind of structural representation of the present invention.

Fig. 5 is that the B-B of Fig. 4 is to cutaway view.

The specific embodiment

Fig. 1 is to the embodiment one that Figure 3 shows that product of the present invention.Its bag dirt cup housing 13, be located at the tangent with it dirt cup air inlet 1 of dirt cup housing 13 perisporiums, be opened in bowl cover that cup covers mutually on dirt cup air outlet 3 and place separator in the dirt cup, separator is provided with air inlet 6, the below of air inlet 6 is provided with cage 7, and the air inlet 6 of separator communicates with dirt cup air inlet 1.Described separator air inlet top is connected with two coaxial inner and

outer pipes

8,9, and the bottom is connected with flaring cage 7.In pipe 8 outer walls is connected with the bottom lock of outer tube 9 inwalls, wherein interiorly manages 8 and communicate, and interior pipe 8 is shorter than outer tube 9 with dirt cup air outlet 3.Have one to connect support 4 in the dirt cup, it is held on the dirt cup rim of a cup after being connected in separator outer tube 9 upper ends in the bayonet socket mode.It is suitable for reading big down young tubaeform that this connection support 4 is, and support 4 has centre bore 10, and the centre bore below connects a short tube 11 corresponding with interior pipe 8.Separator air inlet 6 is body in the form of a ring, and it is to rotate uniform arrangement by one group of blade 12 by annular array to form, and an end of blade 12 is connected in the sealing link of inner and outer pipe bottom, and the other end is fixed on the truncated cone-shaped cage 7.In order to guarantee the separating effect of dust and air, impel to enter and to produce the quick whirlwind of enough, downward spiral rapidly after air that dirt cup air inlet 1 has dust enters the dirt cup, so that the separate and subside of dust, the centre bit of separator air inlet 6 horizontal levels and dirt cup air inlet 1 is equipped with certain drop.This fall range h is controlled at 0～140 millimeter comparatively ideal.

Continue in conjunction with Fig. 1 to Fig. 3 the operation principle of the narration embodiment of the invention one below.The air channel of dust catcher is connected with dirt cup air outlet 3, starting switch, after the electric fan work, dirt cup inner chamber produces negative pressure, and the air that has dust enters dirt cup inner chamber by dirt cup air inlet 1.Because the periphery of dirt cup air inlet 1 axis and dirt cup housing is tangent, thereby produce swirling eddy.Again because separator air inlet 6 positions are lower than dirt cup air inlet 1, after the air that therefore has a dust enters the dirt cup, promptly produce the quick whirlwind of downward spiral, dust is subjected to centrifugal action to be thrown toward perisporium and falls to the dust-collecting cavity 2 of dirt cup housing 13 bottoms.Because the partition effect of cage 7, the dust that falls into dust-collecting cavity 2 is difficult to be subjected to the influence of top spiral whirlwind and rolls again.Isolate the air of most of dust, slightly a small amount of thin dirt, pipe 8 in entering by separator ring-type air inlet 6.Owing to be subjected to being distributed in the guide effect of the helical arrangement blade 12 of air inlet, the air of slightly a small amount of thin dirt produces swirling eddy equally in the interior pipe 8, after in this part air rises to, managing 8 upper ends, the radius of spin increases suddenly, blast reduces, centrifugal force will mix once more in airborne a small amount of thin dirt and separate, and get rid of to outer tube 9 inwalls and fall to interior dirt chamber 5.Air after twice separation enters electric fan through short tube 11 guiding of support 4 by dirt cup air outlet 3, discharges dust catcher then.

Fig. 4 and the embodiment two that Figure 5 shows that product of the present invention.The dirt cup air outlet 3 of present embodiment two is arranged at the bottom, and it is made of the flared fingers 14 between pipe 8 bottoms and the dirt cup housing 13 in being connected in.The top of described separator air inlet 6 is fixedly connected on dirt cup top by connecting support 44, and the bottom is connected with the upper end of the cage 7 and the outer tube 9 of tubaeform band centre bore.Outer tube 9 self-separation device air inlets 6 lower ends downward are connected to flared fingers 14.Outer tube 9 bottoms are also expansible, make outer tube 9 diameters corresponding to interior pipe 8 parts greater than the outer tube diameter that is connected in separator air inlet 6 bottoms.All the other structures are identical with embodiment one, repeat no more.

Continue in conjunction with Fig. 4 and Fig. 5 the operation principle of the narration embodiment of the invention two below.The air channel of dust catcher is connected with dirt cup air outlet 3, and after the starting switch machine operation, dirt cup inner chamber produces negative pressure, and the air that has dust enters dirt cup inner chamber by dirt cup air inlet 1.Because the periphery of dirt cup air inlet 1 axis and dirt cup housing 13 is tangent, thereby produce swirling eddy.Again because separator air inlet 6 positions are lower than dirt cup air inlet 1, after the air that therefore has a dust enters the dirt cup, promptly produce the quick whirlwind of downward spiral, dust is subjected to centrifugal action to be thrown toward perisporium and the dust-collecting cavity 2 between dirt cup housing and outer tube of falling.Because the partition effect of cage 7, the dust that falls into dust-collecting cavity 2 is difficult to be subjected to the influence of top spiral whirlwind and rolls again.Isolate the air of most of dust, slightly a small amount of thin dirt, enter outer tube 9 by separator ring-type air inlet 6.Owing to be subjected to being distributed in the guide effect of the helical arrangement blade 12 of air inlet, the air of slightly a small amount of thin dirt produces spiral equally in the outer tube 9, after in this part air decline approaches to, managing 8 upper ends, because outer tube 9 diameters increase, the air radius of spin also increases suddenly thereupon, and blast reduces, and centrifugal force will mix once more in airborne a small amount of thin dirt and separate, get rid of the sealing link between outer tube 9 inwalls and interior pipe 8 outer walls, fall to interior dirt chamber 5.Air after twice separation is through interior pipe 8, enters electric fan by the dirt cup air outlet 3 of bottom, discharges dust catcher then.

Claims

1, the dust cup of dust collector of twice separation of a kind of integral type, comprise housing (13), be opened in air outlet (3) on the housing (13), with the tangent air inlet (1) of housing (13) circumferential wall be located at the interior separator of housing (13), described separator is provided with air inlet (6), air inlet (6) below is provided with cage (7), it is characterized in that: described separator is provided with two coaxial mounted inner and outer pipes (8,9), the bottom lock of inner and outer pipes (8,9) connects, and the height of interior pipe (8) is lower than outer tube (9)) height; Separator air inlet (6) communicates with dirt cup air outlet (3) by interior pipe (8); Described separator air inlet (6)) body in the form of a ring rotates uniform arrangement by blade (12) by annular array and forms.

2, the dust cup of dust collector of twice separation of integral type as claimed in claim 1, it is characterized in that: described dirt cup air outlet (3) is opened on the bowl cover that is covered on cup, and the separator in the housing (13) links to each other with dirt cup housing (13) by outer tube (9), the connection support (4) that is provided with centre bore (10).

3, the dust cup of dust collector of twice separation of integral type as claimed in claim 2 is characterized in that: described connection support (4) flare, centre bore (10) below connects a short tube (11) corresponding with interior pipe (8)

4, the dust cup of dust collector of twice separation of integral type as claimed in claim 1, it is characterized in that: described dirt cup air outlet (3) is opened in the bottom of housing (13), is made of the flared fingers (14) that is connected between interior pipe (8) bottom and the dirt cup housing (13); Described separator air inlet (6) top be connected support (44) and link to each other, be fixed in dirt cup top, separator air inlet (6) bottom is fixed on the cage (7) of band centre bore; Described outer tube (9) is located at separator air inlet (6) below, is connected to flared fingers (14) downwards.

5, the dust cup of dust collector of twice separation of integral type as claimed in claim 4, it is characterized in that: described connection support (44) lower end is cylindrical, link to each other with separator air inlet (6) top, connection support (44) top is tabular and housing (13) top is fixed.