CN1565368A - Dust collector - Google Patents

Dust collector Download PDF

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Publication number
CN1565368A
CN1565368A CN 03137782 CN03137782A CN1565368A CN 1565368 A CN1565368 A CN 1565368A CN 03137782 CN03137782 CN 03137782 CN 03137782 A CN03137782 A CN 03137782A CN 1565368 A CN1565368 A CN 1565368A
Authority
CN
China
Prior art keywords
neck
suction
guide wire
dust catcher
flooded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 03137782
Other languages
Chinese (zh)
Inventor
李映佑
南贤植
柳湖善
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Tianjin Appliances Co Ltd
Original Assignee
LG Electronics Tianjin Appliances Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Tianjin Appliances Co Ltd filed Critical LG Electronics Tianjin Appliances Co Ltd
Priority to CN 03137782 priority Critical patent/CN1565368A/en
Publication of CN1565368A publication Critical patent/CN1565368A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a dust collector. The connection neck internal plane is formed by three-dimensional curve with the gradient of the initial point and end point gradient being zero. As a result, even the internal surface of the connection neck becomes narrow gradually towards the guide pipe, the flow rate can still be on rise, thus avoids the flow exfoliation phenomenon occurrence when bumping against the wall and other barriers. It is helpful to reduce the noise due to the relative small flow impedance.

Description

Dust catcher
Technical field
The present invention relates to a kind of dust catcher of household appliance technical field, particularly relate to a kind of dust catcher that the neck medial surface is formed for ' 0 ' three-dimensional curve by initial point and ending slope that is connected that connects flooded suction and guide wire.
Background technology
Dust catcher commonly used is to utilize center of circle pressure fan to produce vacuum in body interior, reaches the purpose of fouls such as dust out; Recently the focus of development is to improve the wind pushing performance of center of circle pressure fan, realizes low noise simultaneously.
Fig. 1 is the schematic appearance according to the dust catcher of prior art.The dust catcher of prior art mainly comprises: the built-in body 2 that can produce the pressure fan of suction and be used to collect the collecting bag of foul; The suction inlet 2a that is connected with body 2; Transmit the suction of pressure fan, simultaneously the fouls such as dust that suck are delivered to the inhalation apparatus 10 in the body 2.If the body 2 inner suction that produce, inhalation apparatus 10 sucks ground foul and air by suction, thereby foul is removed from environment.
Above-mentioned inhalation apparatus 10 comprises: the flooded suction 12 that is provided with the suction inlet (figure does not show) of downward opening suction air and foul; Be arranged between this flooded suction 12 and the above-mentioned body 2, the suction of pressure fan is passed to flooded suction 12, the foul that will suck by the suction inlet of flooded suction 12 is delivered to the guide wire 14 in the body 2 simultaneously; Be connected neck 16 with what guide wire 14 was connected with flooded suction 12, it makes above-mentioned guide wire 14 can handle flooded suction 12 and reverses up and down.
Above-mentioned guide wire 14 comprises: an end is connected with body 2 and suction inlet 2a, the folded tube 14a that the other end is connected with handle 13; Be connected the prolongation pipe 14b of adjustable length between folded tube 14a and the connection neck 16.Described folded tube 14a and handle 13, prolongation pipe 14b inside communicate, and form the circular path in certain diameter cross section.
Above-mentioned connection neck 16 as shown in Figures 1 and 2, the one end section is circular, is clipped in to prolong on the pipe 14b; Other end cross section is a quadrangle; Described flooded suction 12 is connected neck 16 hinge combinations with this, can reverse up and down; Thereby above-mentioned guide wire 14 can be handled flooded suction and reverse up and down, and this not only makes user's facility, and a foul in corner such as at the bottom of can cleaning bed.
Fig. 3 a is by being connected the speed air flow distribution schematic diagram of neck 16 with Fig. 3 b, because the inside of above-mentioned connection neck 16 narrows down gradually along the direction that prolongs pipe 14b, so know that according to Bernoulli (transliteration) principle flowing velocity is the fastest with the connecting portion A place that is connected neck 16 at prolongation pipe 14b.
The medial surface 16a that connects flooded suctions 12 1 ends according to the connection neck 16 of the dust catcher of prior art linearly, so speed sharply increases, and in the position 16b maximum that is connected with prolongation pipe 14b, sharply diminish to the passage sections that prolongs the pipe 14b connecting portion A from connecting flooded suction 12 1 ends, above-mentioned flooded suction 12 and prolongation pipe 14b connecting portion A place take place to flow and peel off the S phenomenon, thereby produce the mobile big problem of noise.
This shows that above-mentioned existing dust catcher still has many defectives, and demands urgently further being improved.
In order to solve the big problem of dust catcher noise, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, because dust catcher still need be guaranteed the perfection of its moulding, so it is impossible, also impossible, and general goods do not have appropriate structure can reduce the mobile noise of dust catcher, this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing dust catcher exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of dust catcher of new structure, can improve general existing on the market conventional structure of dust collector, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Because the defective that above-mentioned existing dust catcher exists, the inventor is actively studied innovation, through constantly studying, designing based on abundant practical experience and professional knowledge, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Main purpose of the present invention is, overcome the defective that existing dust catcher exists, and provide a kind of dust catcher of new structure, technical problem underlying to be solved is that the speed air flow that is connected in the neck that connects flooded suction and prolongation pipe is slowly increased, change and connect neck structure, make it reduce flow impedance, thereby reduce the noise that flows.
The object of the invention to solve the technical problems can adopt following technical measures to realize.Dust catcher of the present invention, it mainly comprises: inside can produce suction and be used to collect the body of foul; Be provided with the flooded suction of the suction inlet that air and foul be inhaled into together; Be arranged between this flooded suction and the body, transmit suction, send into the guide wire of air and the foul that is inhaled into to body to flooded suction; The neck that is connected that connects guide wire and flooded suction, this end that connects neck combines with guide wire, and the other end combines with the flooded suction hinge; And
Above-mentioned connection neck medial surface narrows down gradually to described guide wire place, and this medial surface that connects neck has at least a position to have the curved surface of certain curvature by streamwise and forms.
The object of the invention to solve the technical problems can also adopt following technical measures further to realize.
Aforesaid dust catcher, wherein said connection neck connect an end of guide wire and the end face ovalize between this other end that connects neck connection flooded suction, and the full side face of medial surface has the curved surface of certain curvature by streamwise and forms.
Aforesaid dust catcher, the medial surface of wherein said connection neck are the curved surface that is formed by three-dimensional curve.
Aforesaid dust catcher, the curved surface of wherein said connection neck be the initial point of three-dimensional curve and terminal point slope each become ' 0 ' and form.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, dust catcher of the present invention, because connecting the neck medial surface that is connected of flooded suction and guide wire is formed by initial point and the ending slope three-dimensional curve for ' 0 ', even narrow down gradually to described guide wire place so connect the neck medial surface, but flowing velocity slowly strengthens, can prevent that it is little to produce flow impedance, helps reducing noise because of running into the mobile phenomenon of peeling off that barriers such as wall take place.
In sum, the dust catcher of special construction of the present invention, have above-mentioned many advantages and practical value, no matter it structurally or bigger improvement is all arranged on the function, is had large improvement technically, and has produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, and not seeing have similar structural design to publish or use in like product, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1 is the schematic diagram of the dust catcher of prior art.
Fig. 2 is the sectional view of the connection neck of prior art.
Fig. 3 a, 3b are the interior speed air flow distribution schematic diagrams of connection neck of the dust catcher of prior art.
Fig. 4 is the schematic diagram of dust catcher of the present invention.
Fig. 5 is the sectional view of the connection neck of dust catcher of the present invention.
Fig. 6 is the curve comparison diagram that neck produces the noise that flows that is connected of the present invention and prior art.
Number in the figure:
2, body 2a, suction inlet
10, inhalation apparatus 12, flooded suction
13, handle 14, guide wire
14a, folded tube 14b, prolongation pipe
16, connect neck
50, body 52, flooded suction
54, guide wire 60, connection neck
61, connect an end 62 of neck connection guide wire, the other end that the connection neck connects suction inlet
63, the path 64, the hinge axis that connect neck
C, three-dimensional curve
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment of dust catcher, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
As shown in Figure 4, dust catcher of the present invention mainly comprises: inside can produce suction and be used to collect the body 50 of foul; Suck the flooded suction 52 of air and foul; Be arranged between this flooded suction 52 and the body 50, transmit suction, send into the guide wire 54 of air and the foul that is inhaled into to body 50 to flooded suction 52; What connect guide wire 54 and flooded suction 52 is connected neck 60, and this end 61 that connects neck 60 combines with guide wire 54, and the other end 62 combines with flooded suction 52 hinges.
Above-mentioned connection neck 60, its end face that connects an end 61 of guide wire 54 be circular, the external diameter of guide wire 54 conforms to the internal diameter of an end 61 that is connected neck 60, can make the terminal of described guide wire 54 insert its interior and combination; The outstanding folder mastoid process (figure does not show) that is formed on the terminal periphery formation of this guide wire 54 of inner peripheral surface that connects an end 61 of neck 60.
The end face that above-mentioned connection neck 60 connects the other end 62 of flooded suction 52 is a quadrangle, and its area is bigger than an end 61 that connects guide wire 54; The vertical outwards outstanding hinge axis 64 that forms about the other end 62 peripheries of this connection neck 60, it combines flooded suction 52 is rotated up and down with each pan (scheming not show) hinge of flooded suction 52.
It is as follows that above-mentioned connection neck 60 medial surfaces are curved-surface structure: described connection neck 60 is inner making of forming fouls that above-mentioned flooded suction 52 sucks reach the path 63 of guide wire 54 with air; The path 63 of described connection neck 60 narrows down to these guide wire 54 places gradually because of the sectional area difference between the other end 62 that connects neck 60 and connect an end 61 of guide wires 54 and connect neck 60 and connect flooded suctions 52; Take place to flow for fear of running into barrier such as wall and peel off phenomenon, at least one position of the medial surface of described connection neck 60 has certain curvature to flow direction.
So, only some forms curved surface to the medial surface of above-mentioned connection neck 60, and the characteristic of curve and the characteristic of straight line make a difference to flowing together; But preferably make to connect neck 60 and connect an end 61 of guide wires 54 and connect end face ovalize between the other end 62 that neck 60 connects flooded suctions 52, thereby full medial surface forms curved surface to flow direction.
In addition, the medial surface of described connection neck 60 slowly forms three-dimensional curve C for the end face that makes this path 63 that connects neck 60 changes, make and connect neck 60 and connect an end 61 of guide wires 54 and connect that the other end 62 that neck 60 connects flooded suctions 52 slowly connects and the slope that forms initial point a and terminal point b respectively is ' 0 ' three-dimensional curve, this three-dimensional curve formation curved surface; The difference of the speed slope of one end 61 of connection neck 60 connection guide wires 54 and the speed slope at other positions is so not big, so flowing velocity can sharply not increase at an end 61 that connects neck 60 connection guide wires.
Below for possess said structure according to the dust catcher course of work of the present invention:
The body 50 inner suction that produce, by guide wire 54 be connected neck 60 and be delivered to described flooded suction 52, the foul on ground is inhaled into air by flooded suction 52 around this flooded suction 52, is collected in the body 50 by described connection neck 60 and guide wire 54 then, so carries out cleaning works.
The medial surface of above-mentioned connection neck 60 is that ' 0 ' three-dimensional curve C forms by the slope of initial point a and terminal point b, like this, even the path 63 of described connection neck 60 narrows down gradually to described guide wire 54 places, speed air flow slowly increases to guide wire 54 directions really from above-mentioned flooded suction 52, thereby reduces the flow impedance that is caused by end area difference; Because path 63 smooth connections of described connection neck 60, so can prevent that it is little to produce flow impedance because of running into the mobile phenomenon of peeling off that barriers such as wall take place.
Fig. 6 is the curve comparison diagram that neck produces the noise that flows that is connected of the present invention and prior art, therefrom as can be known, the waveform similarity of noise although the present invention and prior art flow, in each frequency range mobile noise of the present invention than prior art decreased average 0.6dBA about.
The technological innovation of the dust catcher of the present invention that above-mentioned structure like this constitutes all has many saving graces for technical staff of the same trade now, and the progressive that possesses skills really.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified to the equivalent embodiment of equivalent variations, but every technical solution of the present invention content that do not break away from,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.

Claims (4)

1, a kind of dust catcher is characterized in that it mainly comprises: inside can produce suction and be used to collect the body of foul; Be provided with the flooded suction of the suction inlet that air and foul be inhaled into together; Be arranged between this flooded suction and the body, transmit suction, send into the guide wire of air and the foul that is inhaled into to body to flooded suction; The neck that is connected that connects guide wire and flooded suction, this end that connects neck combines with guide wire, and the other end combines with the flooded suction hinge; And
Above-mentioned connection neck medial surface narrows down gradually to described guide wire place, and this medial surface that connects neck has at least a position to have the curved surface of certain curvature by streamwise and forms.
2, dust catcher according to claim 1, it is characterized in that wherein said connection neck connects the end face ovalize between the other end of an end of guide wire and this connection neck connection flooded suction, the full side face of medial surface has the curved surface of certain curvature by streamwise and forms.
3, dust catcher according to claim 1, the medial surface that it is characterized in that wherein said connection neck is the curved surface that is formed by three-dimensional curve.
4, dust catcher according to claim 3, the curved surface that it is characterized in that wherein said connection neck be the initial point of three-dimensional curve and terminal point slope each become ' 0 ' and form.
CN 03137782 2003-06-23 2003-06-23 Dust collector Pending CN1565368A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03137782 CN1565368A (en) 2003-06-23 2003-06-23 Dust collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03137782 CN1565368A (en) 2003-06-23 2003-06-23 Dust collector

Publications (1)

Publication Number Publication Date
CN1565368A true CN1565368A (en) 2005-01-19

Family

ID=34470543

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03137782 Pending CN1565368A (en) 2003-06-23 2003-06-23 Dust collector

Country Status (1)

Country Link
CN (1) CN1565368A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114040698A (en) * 2019-07-08 2022-02-11 伊莱克斯公司 Hand-held vacuum cleaner and vacuum cleaner comprising a hand-held vacuum cleaner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114040698A (en) * 2019-07-08 2022-02-11 伊莱克斯公司 Hand-held vacuum cleaner and vacuum cleaner comprising a hand-held vacuum cleaner

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