CN1191102A - Suction nozzle body for use in vacuum cleaner and vacuum cleaner having suction nozzle body - Google Patents

Suction nozzle body for use in vacuum cleaner and vacuum cleaner having suction nozzle body Download PDF

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Publication number
CN1191102A
CN1191102A CN96110179A CN96110179A CN1191102A CN 1191102 A CN1191102 A CN 1191102A CN 96110179 A CN96110179 A CN 96110179A CN 96110179 A CN96110179 A CN 96110179A CN 1191102 A CN1191102 A CN 1191102A
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CN
China
Prior art keywords
suction nozzle
mentioned
air
parts
vacuum cleaner
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.)
Granted
Application number
CN96110179A
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Chinese (zh)
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CN1154429C (en
Inventor
小松茂三郎
岩濑幸司
田岛泰治
佐藤繁则
筱崎利也
砂川正郎
山本亘
山口笃志
佐藤进
永野洋介
星忠行
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Hitachi Ltd
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Hitachi Ltd
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Publication date
Priority claimed from JP17886095A external-priority patent/JP3300574B2/en
Priority claimed from JP17868095A external-priority patent/JP3192063B2/en
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of CN1191102A publication Critical patent/CN1191102A/en
Application granted granted Critical
Publication of CN1154429C publication Critical patent/CN1154429C/en
Anticipated expiration legal-status Critical
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0416—Driving means for the brushes or agitators driven by fluid pressure, e.g. by means of an air turbine
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls

Abstract

A main nozzle 4, in which a guide 15 to guide sucked air flow into an impeller 5 and a nozzle sidewall 16 are formed integratedly with a partition 11, is so installed that it is wound round along the outer circumference of the impeller 5, in order to blow as much sucked air flow as possible into the impeller 5 to obtain large rotation torque.

Description

The suction nozzle main body and the vacuum cleaner that contains suction nozzle main body that are used for vacuum cleaner
The present invention relates to an a kind of vacuum cleaner that is used for the suction nozzle main body of vacuum cleaner and contains suction nozzle main body, and relate in particular to an a kind of vacuum cleaner that is used for the suction nozzle main body of vacuum cleaner and contains suction nozzle main body, wherein, the air turbine device is improved, and this air turbine device comprises suction nozzle parts and a turbine part.By air is blown into turbine part, this air turbine device moment that rotates.Turbine part can drive and rotate the dust suction parts, as is configured in the commentaries on classics brush on the suction nozzle body.
In common vacuum cleaner, usually, in order to aspirate the dust (in carpet) in the long fibre, the commentaries on classics brush that is configured on the suction nozzle body is attached on the floor surface, under effects such as impacting of commentaries on classics brush, dust floats on the floor and is inhaled in the vacuum cleaner main body of vacuum cleaner.
In fact, common vacuum cleaner utilizes an air turbine device to obtain to drive commentaries on classics power (rotating torque), has utilized by the vacuum cleaner main body inhaled air in this air turbine device.
A kind of ordinary skill is arranged, obtain driving moment by the air turbine device in the suction nozzle body of vacuum cleaner.In this technology,, various devices and corrective measure have been attempted to suppress the noise in the suction nozzle body obtaining enough big rotating torque with when driving the commentaries on classics brush.
For example, at the clear 61-85 of Japanese patent publication NO., disclosed a kind of suction nozzle body of vacuum cleaner in 911.Promptly, in sheath body 21A, dispose guiding part 23A, be used for swivel bearing turbine 5A as Figure 14 in this explanation and shown in Figure 15.
Above-mentioned guiding part 23A moves closer to the rotational circle side face of turbine 5A from the downside of suction nozzle 22A, and suction nozzle 22A points to the side of receiving port 7A.Guiding part 23A leads to sucking the mobile of air, and this air stream is formed among the sheath body 21A and points to a side of turbine 5 along the rotation direction of turbine 5.
Guiding parts 23A applies effect effectively to air-flow near the turbine 5A on the turbine 5, utilize the protruding part of receiving port 7A to avoid gas shock, thereby suppressed generating noise.
In addition, flat at Japanese patent publication NO., 6-319, in the suction nozzle body of 669 disclosed vacuum cleaners, as Figure 16 in this explanation and shown in Figure 17, by guiding the side that the product parts taper air flow channel that 23B constitutes is configured in the turbine 5B of suction nozzle 22B, air prevents that letting out plate 40B is configured on the sheath body simultaneously.
Be provided with the air-flow that enters eddy current 5B and let out the air flow channel that plate 40B constitutes and compile by air is anti-, and air-flow further flows among the turbine 5B by above-mentioned taper air flow channel and another.As a result, utilize this air turbine device to reach out for the increase of the rotating torque that is produced by the air turbine device.
The common suction nozzle body of another of vacuum cleaner is shown among Figure 18 and Figure 19 of this explanation.In this common suction nozzle body, dispose turbine 5C at the two ends of the rotating shaft 32C that changes brush 3C.
In this suction nozzle body, the dust of floor surface is changeed brush 3C and has hit and aspirated by air-flow.The opening 37C of the air-flow that has a dust on being configured in partition wall 11C flows into the turbine room 2C and provides rotational energy for turbine 5C.
After this, the above-mentioned air-flow that has the dirt method flows among the extension 39C via the runner 38C that is configured in the suction nozzle rear body.The air-flow that has dust like this is inhaled in the vacuum cleaner main body.
In this suction nozzle body,, therefore utilize this design feature just to obtain the suction nozzle body of in light weight, good operation performance and cost because turbine 5C is on the same axis of rotating shaft 32C.
Usually, the rotating torque T that is produced in the turbine of air turbine device can use formula (1) expression.
T=γ QnV 2/ Ng * n * COS θ (formula 1)
Wherein, γ is the proportion of fluid (air), and Qn is for flowing into the flow in each blade, and V is a flow velocity, and N is a revolution, and g is an acceleration of gravity, and θ is the fluid inlet angle of fluid with respect to blade, and n is a blade quantity.
Increase rotating torque, necessary augmented flow and flow velocity must provide a large amount of gas to flow in the turbo blade, also must keep the suitable fluid inlet angle of air-flow with respect to turbo blade.
But, in the above-mentioned common suction nozzle body construction that contains just like Figure 14 and guiding part 23A shown in Figure 15, because the air-flow that can not flow out towards the side of turbine 5A not entering turbine 5 is regulated, therefore only some air-flow flows into the turbine 5A from suction nozzle.
As a result, in containing the common suction nozzle body construction of above-mentioned guiding part 23A, can not produce enough big rotating torque.
In addition, above-mentioned as Figure 16 and common suction nozzle body construction shown in Figure 17 in, the suction nozzle body construction comprises: the anti-plate 40B that lets out of suction nozzle 22B, guiding part 23B and air.
On structure,, therefore can not constitute smooth air flow channel owing to exist non-smooth coupling part between member.For example, on the end of suction nozzle 22B and sheath body, exist locus of discontinuity and also exist discontinuous bonding pad anti-the letting out on plate 40B and the guiding part 23B of air.
In above-mentioned common suction nozzle body construction, can not be to the side that flows to turbine 5B and air-flow regulate fully.In addition, promptly can produce whirling motion after air-flow flows out suction nozzle 22B, the result can reduce the rotating torque that is produced and noise is increased.
In addition, in Figure 18 and common suction nozzle body construction shown in Figure 19, consider that with above-mentioned Figure 14, the problem of identical configuration aspects still exists in 15 corresponding to the opening 32C of suction nozzle and the correlation between turbine 5C.
In addition, in above-mentioned various common suction nozzle bodies, the air-flow that contains dust flows in the turbine, and moment rotates on turbine.Consider the interlock of dust, must between turbine and guiding part, provide big gap dead to prevent turbo card.
So the air capacity that spills from above-mentioned big gap becomes greatly inevitably, owing to the air capacity that acts on the turbine tails off, so can not increase moment.
In view of the above problems, can consider to take the precautionary measures, wherein dispose the bypass channel that pure air is provided for turbine.But, in the air turbine device of common vacuum cleaner, the air-flow of moment flows through via bypass channel because a large amount of being enough to rotates, and therefore another problem that causes is: originally being used for the dust suction force that is used on the air turbine device may reduce.
Be used for the suction nozzle body of conventional vacuum dust catcher, adopting power brush system suction nozzle body and turbine brush system suction nozzle body.In power brush system suction nozzle body, rotate the dust suction parts, drive rotation as changeing brush by micro-machine.
On the other hand, in turbine brush system suction nozzle body, rotate the dust suction parts, drive rotation by the air turbine device as changeing brush.In recent years, in fact usually adopt turbine brush system suction nozzle body.
But, in turbine brush system suction nozzle body, the actual transmission parts of being with synchronously as between turbine and commentaries on classics brush that adopts.The following problem of such suction nozzle ontological existence.
It is big that the size of suction nozzle body becomes, and the necessary revolution characteristic that the necessary revolution characteristic in the suction nozzle body attaching process surperficial with needing cleaning and suction nozzle body are mentioned in the process is opposite.
Especially, in an above-mentioned back problem,, when the suction nozzle body is mentioned, can produce big noise so if the revolution of turbine improves to improve the dust-absorbing function of suction nozzle body.
In addition, owing to turbine is packed on the suction nozzle body, so turbine is difficult to take out; And because the dismounting of suction nozzle body needs the long time, so the recovery characteristic variation of suction nozzle body.
The purpose of this invention is to provide a suction nozzle body and a vacuum cleaner that contains the suction nozzle body that is used for vacuum cleaner, it is characterized in that: in the air turbine device, under the situation that does not increase noise, can obtain big rotating torque.
Another object of the present invention provides the suction nozzle body and the vacuum cleaner that contains the suction nozzle body that are used for vacuum cleaner, it is characterized in that: can improve the efficient of air turbine device, and utilize a spot of air-flow just can obtain big rotating torque.
Another purpose of the present invention provides the suction nozzle body and the vacuum cleaner that contains the suction nozzle body that are used for vacuum cleaner, and it is characterized in that: dust free pure air is used effectively and the air turbine device can rotate reposefully.
Another purpose of the present invention provides the suction nozzle body and the vacuum cleaner that contains the suction nozzle body that are used for vacuum cleaner, and its feature exists: the miniaturization suction nozzle body that can obtain to contain turbine part.
Another purpose of the present invention provides the suction nozzle body and the vacuum cleaner that contains the suction nozzle body that are used for vacuum cleaner, it is characterized in that: can avoid the suction nozzle body to mention generating noise in the process.
Another purpose of the present invention provides a kind of suction nozzle body and vacuum cleaner that contains the suction nozzle body that is used for vacuum cleaner, it is characterized in that: the recyclability that can improve the suction nozzle body.
According to the present invention, the suction nozzle body that is used for vacuum cleaner comprises: a suction nozzle main body; A turbine part that is installed in the suction nozzle main body; Suction nozzle parts that are installed in the suction nozzle main body are by supplying with turbine part and the moment that rotates sucking air-flow on turbine part; Rotation dust suction parts that are installed in the suction nozzle main body, these rotation dust suction parts are driven by the rotating torque that produces on the turbine part.
The suction nozzle parts are made of partition wall portions, leader and sidewall sections integral body.The partition wall portions of suction nozzle parts constitutes air flow inlet; The reeling excircle of turbine part of the leader of suction nozzle parts imports the air-flow that flows into air flow inlet the inside of turbine part from the excircle of turbine part; The sidewall sections of suction nozzle parts prevents the side of the leader of air-flow effusion suction nozzle.
According to the present invention, the suction nozzle body that is used for vacuum cleaner comprises: a suction nozzle main body; A turbine part that is installed in the suction nozzle main body; A runner that is configured in the suction nozzle main body is by supplying with turbine part and the moment that rotates sucking air-flow on turbine part; Rotation dust suction parts in rotation dust suction component room that is installed in suction nozzle main body, these rotation dust suction parts are driven by the rotating torque that produces on the turbine part.
Runner sucks pure air from the air intake that is configured on the suction nozzle housing, then the excircle of pure air along predetermined direction from turbine part is blown into the turbine part, flows into after the air-flow in the turbine part flows out thus again and rotates in the dust suction component room.
The suction nozzle parts of suction nozzle body and guiding part can be blown into the air-flow that flows in the turbine part effectively, promptly produce big rotating torque thus.
According to the present invention, in the vacuum cleaner that comprises the suction nozzle body, the suction nozzle body comprises: the suction nozzle main body with upper shell and lower house, the lower house of suction nozzle body contain an air entry on the bottom surface; The rotation dust suction parts of rotating shaft are also contained in the air entry place of a lower house that is placed on suction nozzle main body; At least one turbine part is placed on the same axis of the rotating shaft of rotating the dust suction parts, is positioned at the outside of rotating the dust suction parts and is used for driving rotation dust suction parts; A sheath body is placed on the rear portion of rotating the dust suction parts, can make progress, freely rotate with suction nozzle main body downwards, and this sheath body also contains an air intake passage; An air-breathing sleeve pipe that is placed on the sheath body rear portion; One is used for hiding the pump orifice case that rotates the dust suction parts; Suction nozzle parts that are placed on pump orifice case back are used for air is sucked at least one turbine part; And a passage, be configured at least one of upper shell of pump orifice case and suction nozzle main body, be used for air is supplied with at least one turbine.
According to the present invention, in the vacuum cleaner that contains the suction nozzle body, the suction nozzle body comprises: have the suction nozzle main body of upper shell and lower house, the lower house of suction nozzle main body contains an air entry on lower surface; Be placed on suction nozzle main body lower house the air entry place and contain the rotation dust suction parts of a rotating shaft; At least one turbine part is placed on the same axis of the rotating shaft of rotating the dust suction parts, is positioned at the outside of rotating the dust suction parts, is used for driving rotation dust suction parts; A sheath body is placed on the rear portion of rotating the dust suction parts and also can makes progress, freely rotate with suction nozzle main body downwards, and this sheath body contains an air intake passage; An air-breathing sleeve pipe that is placed on the sheath body rear portion; One is used for hiding the pump orifice case that rotates the dust suction parts; Suction nozzle parts that are placed on suction case back are used for air is blown at least one turbine part; And unlatching-closed pull bar that is configured on the pump orifice case, thus by handling unlatching-closed pull bar, the pump orifice case can be pulled down from suction nozzle main body, and when the pump orifice case is opened, rotates dust suction parts and at least one turbine part and can pull down from suction nozzle main body.
According to the present invention, owing to rotate the dust suction parts, directly drive by turbine part as changeing brush, therefore can obtain the suction nozzle body of miniaturization, can reduce the noise that produces in the suction nozzle body rotation process simultaneously.
In addition,, when the pump orifice case is opened,, therefore can shorten the dismounting time of suction nozzle body, can improve the recyclability of suction nozzle body simultaneously because rotation dust suction parts and turbine part are dismountable according to the present invention.
Brief Description Of Drawings
Fig. 1 is the oblique view of expression according to an embodiment of the suction nozzle body interior structure that is used for vacuum cleaner of the present invention;
Fig. 2 is the schematic appearance of expression according to an embodiment of the suction nozzle body that is used for vacuum cleaner of the present invention;
Fig. 3 is the longitudinal cross-section side view of suction nozzle body in the presentation graphs 1;
The side cross-sectional view that Fig. 4 cuts open along Fig. 3 center line IV-IV for expression;
Fig. 5 is the longitudinal cross-section side view of expression according to another embodiment of the suction nozzle body that is used for vacuum cleaner of the present invention;
The side cross-sectional view that Fig. 6 cuts open along Fig. 5 center line VI-VI for expression;
Fig. 7 has illustrated the opposed relationship between suction nozzle and turbine for the front view of expression according to another embodiment of the suction nozzle body that is used for vacuum cleaner of the present invention among the figure;
The sectional view that Fig. 8 cuts open along Fig. 7 center line VIII-VIII for expression;
Fig. 9 has illustrated the opposed relationship between suction nozzle and turbine for the front view of expression according to another embodiment of the suction nozzle body that is used for vacuum cleaner of the present invention among the figure;
The sectional view that Figure 10 cuts open along Fig. 9 center line X-X for expression;
Figure 11 is the longitudinal cross-section side view of expression according to another embodiment of the suction nozzle body that is used for vacuum cleaner of the present invention;
Figure 12 is the longitudinal cross-section side view of expression according to another embodiment of the suction nozzle body that is used for vacuum cleaner of the present invention;
The longitudinal cross-section side view of the suction nozzle bulk state when Figure 13 takes out the main suction nozzle leader of suction nozzle body for expression from Figure 12 embodiment;
Figure 14 is the longitudinal cross-section side view of expression according to the suction nozzle body that is used for vacuum cleaner of former technology;
Figure 15 is the oblique view of expression according to the suction nozzle body guiding part that is used for vacuum cleaner of former technology;
Figure 16 is the longitudinal cross-section side view of expression according to another suction nozzle body that is used for vacuum cleaner of former technology;
Figure 17 is for representing along the sectional view of cutting open along XVI-XVI among Figure 16;
Figure 18 is the longitudinal cross-section plan view of expression according to another suction nozzle body that is used for vacuum cleaner of former technology;
The sectional view that Figure 19 cuts open along Figure 16 center line XIX-XIX for expression;
The plane that Figure 20 moves according to the suction nozzle body hollow air-flow that is used for vacuum cleaner of the present invention for expression;
Figure 21 is for representing according to the moving plane of the suction nozzle body hollow air-flow that is used for vacuum cleaner of former technology;
Figure 22 utilizes transparent configuration that the internal structure of suction nozzle body has been described for representing according to the oblique view that is used for another suction nozzle body of vacuum cleaner of the present invention among the figure.
Figure 23 is the longitudinal cross-section side view of the suction nozzle body turbine part that is used for vacuum cleaner shown in expression Figure 22;
The longitudinal cross-section side view that Figure 24 divides for the suction nozzle body transfer brush portion that is used for vacuum cleaner shown in expression Figure 22;
Figure 25 is the longitudinal cross-section front view of the suction nozzle body turbine part detailed structure that is used for vacuum cleaner shown in expression Figure 22;
Figure 26 is the longitudinal cross-section side view of the modification embodiment of the suction nozzle body turbine part that is used for vacuum cleaner shown in expression Figure 23;
Figure 27 is the longitudinal cross-section side view of another modification embodiment of the suction nozzle body turbine part that is used for vacuum cleaner shown in expression Figure 23;
Figure 28 is the longitudinal cross-section side view of the another modification embodiment of the suction nozzle body turbine part that is used for vacuum cleaner shown in expression Figure 23;
Figure 29 is the oblique view of the suction nozzle body turbine that is used for vacuum cleaner shown in expression Figure 22;
The sectional view that Figure 30 cuts open along Figure 29 center line XXX-XXX for expression;
The sectional view that Figure 31 cuts open along Figure 30 center line XXXI-XXXI for expression;
The sectional view that Figure 32 cuts open along Figure 30 center line XXXII-XXXII for expression;
The sectional view that Figure 33 cuts open along Figure 30 center line XXXIII-XXXIII for expression;
Figure 34 is the side view of expression according to another embodiment of the suction nozzle body that is used for vacuum cleaner of the present invention;
Figure 35 is the supporting and decomposing state side view of the suction nozzle body that is used for vacuum cleaner shown in expression Figure 34;
Figure 36 is the oblique view of expression according to the another embodiment of the suction nozzle body that is used for vacuum cleaner of the present invention;
The sectional view that Figure 37 cuts open along Figure 36 center line XXXVII-XXXVII for expression;
Figure 38 is the sectional view of expression according to an embodiment of suction nozzle body of the present invention;
Figure 39 takes down the plane of the suction nozzle body of pump orifice case for expression;
Figure 40 is the rearview of suction nozzle body shown in expression Figure 38;
Figure 41 is the upper surface schematic diagram of expression suction nozzle body;
The sectional view of the suction nozzle body that Figure 42 cuts open along Figure 38 center line XXXXII-XXXXII for expression;
Figure 43 is the sectional view of the pump orifice case of expression suction nozzle body;
The sectional view of the pump orifice case that Figure 44 cuts open along Figure 41 center line XXXXIV-XXXXIV for expression;
The sectional view of the pump orifice case that Figure 45 cuts open along Figure 43 center line XXXXV-XXXXV for expression;
The sectional view of the pump orifice case that Figure 46 cuts open along Figure 43 center line XXXXVI-XXXXVI for expression; And
Figure 47 is the enlarged diagram of expression rear portion pump orifice.
Below with reference to accompanying drawings to being illustrated according to an embodiment and a kind of vacuum cleaner that contains suction nozzle body of the present invention that is used for the suction nozzle body of vacuum cleaner of the present invention.
Fig. 2 is a kind of outward appearance oblique view that contains the whole vacuum cleaner of suction nozzle body of the present invention of expression.Vacuum cleaner comprises: vacuum cleaner main body 101, flexible pipe 102 is installed in the operated from a distance switch element 103 on flexible pipe 102 control cranks, extension 104 and suction nozzle body 100.
When vacuum cleaner main body 101 was in running order, the air-flow that sucks along with dust entered vacuum cleaner main body 101 via extension 104 and flexible pipe 102.After dust was trapped in vacuum cleaner main body 101, air-flow was promptly discharged vacuum cleaner main body 101.Can operate and control vacuum cleaner main body 101 from the command signal that operated from a distance switch element 103 sends.
Fig. 1 is the oblique view of expression according to an embodiment of the suction nozzle body interior structure that is used for vacuum cleaner of the present invention.Fig. 3 is the longitudinal cross-section side view of suction nozzle body in the presentation graphs 1, and the sectional view that Fig. 4 cuts open along Fig. 3 center line IV-IV for expression.
As shown in Figure 1, the inside of suction nozzle body 100 is broadly divided into changes brush chamber 1 and adjacent turbine room 2, and the centre is separated by partition wall 11.On partition wall 11, dispose main suction nozzle 4 and attached suction nozzle 12.
Commentaries on classics brush 3 is rotation dust suction parts, and being contained in changes also rotatable in the brush chamber 1, is furnished with an opening on the side of commentaries on classics brush chamber base plate.The runner 5 that contains many blades is installed in the turbine room 2.Change brush 3 and turbine 5 and constituted the air turbine device.Runner 6 around the turbine circumference is configured in the turbine room 2, and this runner 6 is the near zone of air-flow guided turbine 5.
Receiving port 7 is configured in the outlet side of runner 6.This receiving port 7 imports air-flow in the vacuum cleaner main body 101 by collecting air-flow.Turbine 5 is installed on the rotating shaft 8, rotating shaft 8 by be with synchronously 9 with change brush 3 and be connected.
Auxilliary suction nozzle zone change-over panel 13 is installed on the partition wall 11 and slidably.By control button 14 (this button protrudes in the outside as the suction nozzle housing 10 of suction nozzle main body), auxilliary suction nozzle zone change-over panel 13 can produce slippage, and the part of the flow channel of auxilliary suction nozzle 12 gets clogged, thereby changes the sectional area of auxilliary suction nozzle flow channel.All above-mentioned building blocks are installed in the suction nozzle housing 10 (suction nozzle main body).
When vacuum cleaner started and produce suction in vacuum cleaner main body 101, in said suction nozzle body 100, the air-flow of suction entered vacuum cleaner main body 101 in two kinds of following path modes via suction inlet 7.
That is, a kind of path mode is: suck air-flow and enter vacuum cleaner main body 101 via bottom side openings → brush chamber 1 → main suction nozzle 4 → turbine room 5 → turbine circumference runner 6 → receiving port 7 of suction nozzle housing 10.
In addition, another kind of path mode is: suck air-flow via the bottom side openings → brush chamber 1 of suction nozzle housing 10 → assist suction nozzle 12 → turbine circumference runner 6 → receiving port 7 to enter vacuum cleaner main body 101.
As shown in Figure 3 and Figure 4, main suction nozzle 4 comprises: the mobile inlet 17 of air-flow, leader 15 and suction nozzle sidewall sections 16.Wall part 16 constituted as a whole between the air flow inlet 17 of main suction nozzle 4, leader 15 and suction nozzle sidewall sections 16 passed through.
The leader 15 of main suction nozzle 4 is around turbine 5, makes the excircle of turbine and the gap between core reduces gradually and extend along the excircle of turbine 5.
Suction nozzle sidewall sections 16 extends towards the neighboring of turbine 5, reveals from the both sides of guidance part 15 to prevent air stream.Between the periphery of the end of this suction nozzle sidewall sections 16 and turbine 5, exist small gap.The runner 6 of main suction nozzle 4 is split into slender type along the excircle of turbine 5, and air can be entered in the turbine 5.
Air turbine structure according to the suction nozzle body 100 of this embodiment of the present invention is made of the element with following dimension reference.
That is: turbine 5 diameters (d) are 34mm, and the width of turbine 5 (axial length) is 60mm (w), and the inwall width (b) of main suction nozzle 4 is 13mm, and the inside wall height (h) of the air flow inlet 17 of main suction nozzle 4 is 12mm.
In the air turbine structure of the suction nozzle body 100 of above-mentioned formation, the runner that is used on the leader 15 reduces gradually, and therefore the air velocity that is sucked by air flow inlet 17 is cumulative.Air-flow enters in the turbine 5 via the mouth on the suction nozzle hand hay cutter wall part 16.
Air-flow enters the blade space 5a-5d of turbine 5 continuously, and after providing energy for turbine 5, air-flow is from the runner 6 of separating convex portion inflow turbine room 2 of two suction nozzle sidewall sections 16 of turbine 5.
Streamer mode is shown among Fig. 4 and Figure 20, and especially in Figure 20, all air-flows 30 that flow out from main suction nozzle 4 enter the blade space of turbine 5 continuously, and the resulting energy of the blade of gas shock turbine 5 passes to turbine 5 as power source.
Air-flow flows along the substrate sweep of turbine 5 blades, and last variations in flow to rightabout flows and be contrary facing to inflow direction, and then air-flow is discharged from.
At this moment, the blade of turbine 5 obtains the reaction force power source, and this reaction force is the power of air-flow when rightabout is discharged.The air-flow of discharging connects suction vacuum cleaner main body 101 via receiving port 7.
In addition, when guiding part does not comprise sidewall (see shown in Figure 21 before technology), air-flow is along the top gaseous Slip Flow of turbine 5D, and a large amount of like this air-flow 31D do not enter among the turbine 5D.In addition, the air-flow 30D that this air-flow 31D and attempting enters turbine 5D interferes mutually, thereby can produce bigger disturbance.
Yet, in suction nozzle body 100 according to this embodiment of the present invention, because air-flow acts on the turbine 5 effectively and can augmented flow and flow velocity, promptly can not increase the noise magnitude, the rotating torque of technology 50 percent before therefore can obtaining to be higher than yet.
In addition, owing to adopt the overall structure mode, therefore can obtain hanging down the suction nozzle body 100 of manufacturing cost the part of above-mentioned whole main suction nozzle 4 or unitary construction on suction nozzle housing 10 (partition wall 11) and reduced a large amount of parts.
According to the suction nozzle body 100 of this embodiment of the present invention, can realize following function.
Velocity component in the main suction nozzle 4 on the circumferencial direction of air-flow remains unchanged.Can make it be higher than the flow velocity of main suction nozzle 4 to the air velocity setting that acts on the turbine 5.Like this, the flow through frictional dissipation of air-flow of main suction nozzle 4 can diminish.
In addition, because air-flow enters in a plurality of zones of turbine 5 blade spaces (5a-5d) (being 4 zones in the present embodiment), so air velocity can not reduce soon at inflow entrance 17 places of turbine 5.Like this, can reduce because the noise that flow perturbation produces.
In addition, can De Genggao be set to the air velocity that flows out turbine 5, can obtain big rotating torque like this.
In addition, owing to existing big runner zone at air flow inlet 17 places of main suction nozzle 4 and, peeling off, also can suppress noise simultaneously and occur so can suppress main suction nozzle 4 the mobile of air flow inlet place because the air flow inlet 17 of main suction nozzle 4 has circular configuration.
In addition, because nearly all air-flow enters in the turbine 5 via main suction nozzle 4, therefore can obtain bigger rotating torque.
Because the inflow entrance 17 of main suction nozzle 4 forms big flow area, and because this inflow entrance has circular shape, peels off in wall so can prevent air-flow, thereby limited noise.
Below with reference to Fig. 5 and Fig. 6 to being illustrated according to another embodiment that is used for the suction nozzle body of vacuum cleaner of the present invention.Fig. 5 is the longitudinal cross-section side view of expression suction nozzle body 100, the main suction nozzle 4 that Fig. 6 cuts open along Fig. 5 center line VI-VI for expression and the sectional view of turbine 5.
Be characterised in that the shape and structure of main suction nozzle 4 according to this embodiment of suction nozzle body of the present invention.Promptly main suction nozzle 4 comprises an inner periphery bottom wall portion 18 and an opening portion 19.
Inner periphery bottom wall portion 18 extends and faces the excircle of turbine 5 relatively from the end of suction nozzle sidewall sections 16.Opening portion 19 is to divide 18 circumferencial direction extended configuration to form by inside surrounding bottom wall portion, is used for an air-flow guided turbine 5.
Because other constituent apparatus is identical with previous embodiment of the present invention, reference number also is identical with reference number in the previous embodiment, so the detailed description to other constituent apparatus is omitted in this explanation.
Cross a runner via the air communication that air flow inlet 17 sucks, this runner is surrounded by targeting part 15, suction nozzle wall part 16 and the inner periphery bottom wall portion 18 that faces turbine 5 outer peripheral faces.Air communication is crossed opening portion 19 and is flowed in the turbine 5.
In having the main suction nozzle 4 of said structure, the air-flow that does not enter turbine 5 can not discharged from opening portion 19 but be flowed to the outlet side of main suction nozzle 4, and air-flow flows into turbine 5 from the outlet side of main suction nozzle 4.
Therefore, the throughput that enters turbine 5 increases greatly, thereby produces bigger rotating torque.
In addition, enter inner tangential direction component, therefore can strengthen the flow velocity at place, main suction nozzle 4 gas outlets, the rotating torque that is produced is further increased because air-flow has.
In addition, because air-flow enters a plurality of blade spaces of turbine 5, therefore when increasing rotating torque, can also reduce noise.
Below with reference to Fig. 7 and Fig. 8 to being illustrated according to the another embodiment that is used for the suction nozzle body of vacuum cleaner of the present invention.Fig. 7 has represented the main suction nozzle 4 and the turbine 5 of suction nozzle body 100, the sectional view that Fig. 8 cuts open along Fig. 7 center line VIII-VIII for expression.
Present embodiment is characterised in that the cross section of fluid channel that reduces gradually is long-pending, and wherein cross section of fluid channel is long-pending reduces on main suction nozzle 4 gradually with respect to each previous embodiment.
Because other constituent apparatus is identical with previous embodiment of the present invention, reference number also is identical with reference number in the previous embodiment, so the detailed description to other constituent apparatus is omitted in this explanation.
Runner 6 in the main suction nozzle 4 is made of leader 15 and madial wall part 16, is furnished with the opening that air is blowed to turbine 5 excircles on the runner 6.The width of runner 6 is constant and the height (h of leader 15 θ) (height in suction nozzle cross section of fluid channel zone) diminish gradually towards the outlet side of runner 6.
As a result, the flow area that is made of main suction nozzle 4 and turbine 5 diminishes gradually towards the outlet side of runner 6.As long as suction nozzle body 100 comprises the inner periphery bottom wall portion 18 that faces turbine 5 outer peripheral faces, so above-mentioned state exists equally.
In the suction nozzle body 100 according to this embodiment of the present invention, the cross section of fluid channel of the air flow inlet 17 in the main suction nozzle 4 long-pending (S) is 150mm 2-250mm 2, this sectional area is along with respect to the increase of the winding angle (θ) of the excircle of the turbine 5 of main suction nozzle 4 and diminish gradually.
From the long-pending (S of the cross section of fluid channel of arbitrarily angled (θ) position that main suction nozzle 4 air flow inlets 17 begin θ) reduce gradually also can be calculated by formula 2, formula 2 has been represented the long-pending (S of the cross section of fluid channel at air flow inlet place Max) and the winding angle (θ from air flow inlet 17 to main suction nozzle 4 ends Max) between correlation.
S θ=(θ Max-θ)/θ Max* S Max(formula 2)
Can realize long-pending the reducing gradually of above-mentioned cross section of fluid channel by structure facing to the leader of the main suction nozzle 4 of turbine 5 excircles.
Suction nozzle cross section of fluid channel height (h from arbitrarily angled (θ) position that air flow inlet 17 begins θ) can calculate by formula 3, formula 3 has been represented width between sidewall (b) (the inwall width of the air flow inlet 17 of main suction nozzle 4), the cross section of fluid channel at air flow inlet 17 places amasss (S Max) and the winding angle (θ from air flow inlet 17 to main suction nozzle 4 ends Max) between correlation.
h θ=(θ Max-θ)/θ Maxb* S Max(formula 3)
In according to this embodiment of the present invention, the sectional area of runner 6 reduces gradually, and the circumferencial direction component is also identical substantially.
As a result, the interlobate air-flow that flows into turbine 5 is that it is high singularly that flow velocity can not become, so noise can be suppressed uniformly substantially.In addition, because more air-flow can flow in the turbine 5, therefore can obtain bigger rotating torque.
Below with reference to Fig. 9 and Figure 10 to being illustrated according to the another embodiment that is used for the suction nozzle body of vacuum cleaner of the present invention.Fig. 9 has represented the main suction nozzle 4 and the turbine 5 of suction nozzle body 100, and the sectional view that Figure 10 cuts open along Fig. 9 center line X-X for expression.
In according to this embodiment of the present invention, on main suction nozzle 4, dispose leader 15 and sidewall sections 16.The width of runner 6 cross section reduces gradually towards the outlet side of runner 6, and the height (h that runner 6 makes progress in turbine 5 footpaths θ) also reduce gradually towards the outlet side of runner 6.
As a result, the sectional area of main suction nozzle 4 runners 6 that are made of main suction nozzle 4 and turbine 5 reduces gradually towards the outlet side of runner 6.
Said suction nozzle body 100 can also dispose the inner periphery bottom wall portion that faces turbine 5 excircles.
In according to this embodiment of the present invention, the sectional area of runner 6 diminishes gradually and equably, flow into turbine 5 interlobate air-flows substantially evenly and also flow velocity can not become high singularly, so noise can be inhibited.In addition, because more air-flow can flow in the turbine 5, thereby can obtain bigger rotating torque.
Below with reference to Figure 11 the another embodiment according to the suction nozzle body that is used for vacuum cleaner of housing invention is illustrated.Figure 11 is the longitdinal cross-section diagram of expression suction nozzle body 100.The leader 15 of main suction nozzle 4 and suction nozzle sidewall sections 16 constitute an integral body by this upper shell of 10 of suction nozzle, and housing 10 is separated into two parts in upper and lower at partition wall 25a place.
In addition, be from partition wall 11, to construct continuously to form with the corresponding part of main suction nozzle 4 lower surfaces.As a result, the last lower house of suction nozzle housing 10 is constructed independently respectively and is formed.The working method of main suction nozzle 4 is identical with the foregoing description shown in Fig. 7 and Fig. 8.
In according to this embodiment of the present invention, because the leader 15 of suction nozzle housing 10 and main suction nozzle 4 and suction nozzle sidewall 16 constitute an integral body, therefore can alleviate the weight of suction nozzle body 100, the quantity of building block also can reduce simultaneously.In addition, owing to do not need suction nozzle housing 10 and main suction nozzle 4 are combined, thereby can reduce the manufacturing cost of suction nozzle body 100.
Below with reference to Figure 12 and Figure 13 to being illustrated according to the another embodiment that is used for the suction nozzle body of vacuum cleaner of the present invention.Figure 12 is the longitudinal cross-section side view of expression suction nozzle body 100.
Be characterised in that according to this embodiment of the present invention: it is open that the inside of main suction nozzle 4 constitutes, and can dispose the dust that collects in main suction nozzle 4 inside at an easy rate like this.
The sidewall sections 16 of main suction nozzle 4 constitutes an integral body by the last lower house of suction nozzle housing 10.With the corresponding part of main suction nozzle 4 lower surfaces integral body of continuous structure formation with separator bar 25b place.
The leader 15 of main suction nozzle 4 loads hook 20 and 24 by elasticity and is connected with breaking away from suction nozzle housing 10 and is connected also detachably, and the excircle of the sidewall sections 16 of main like this suction nozzle 4 can get clogged or not get clogged.
By bending hook 20 and 24, the leader 15 and suction nozzle housing 10 uncouplings of main suction nozzle 4, thus the leader 15 of main suction nozzle 4 can freely take off from suction nozzle housing 10.The duty of main suction nozzle 4 corresponding turbines 5 is identical with the previous embodiment shown in Fig. 7 and Fig. 8.
According to the above embodiment of the present invention, when dust collected in peripheral part of the inside of main suction nozzle 4 or turbine 5, the leader 15 of main suction nozzle 4 promptly was removed, and peripheral part of the inside of main like this suction nozzle 4 or turbine 5 promptly is opened.
The result just can remove the dust that compiles in peripheral part of the inside of main suction nozzle 4 or turbine 5.
In addition, especially do not need tool using just can easily open main nozzle portion, thus maintenance work, can improve as dust out obstruction etc., the operation of suction nozzle body 100 is also very convenient.
Illustrated main suction nozzle 4 will be used in the suction nozzle body construction in according to various embodiment of the present invention, and wherein turbine 5 and commentaries on classics brush 3 are installed on the same axis.And in the suction nozzle body construction that constitutes like this, can realize function same as described above.
Below with reference to Figure 22 to Figure 25 to being illustrated according to the another embodiment that is used for the suction nozzle body of vacuum cleaner of the present invention.
In according to suction nozzle body 100 of the present invention, driving the rotating torque of changeing brush 3 can be provided by two air turbine devices that comprise turbine 5, and turbine 5 is installed in two ends of the turning cylinder 32 that changes brush 3.In addition, in suction nozzle body 100, what be blown into turbine 5 is pure air.
Figure 22 is an oblique view, utilize transparent configuration that the internal structure of suction nozzle body 100 has been described among the figure, Figure 23 is the longitudinal cross-section side view of turbine part in the expression suction nozzle body 100, the longitudinal cross-section side view that Figure 24 divides for expression suction nozzle body 100 transfer brush portions, Figure 25 is the longitudinal cross-section side view of turbine part detailed structure in the expression suction nozzle body 100.
Because other constituent apparatus is identical with previous embodiment of the present invention, reference number is also identical with reference number in the previous embodiment, so the detailed description to other constituent apparatus is omitted in this explanation.
Change brush 3 and be contained in 100 li of suction nozzle bodies, and be full of whole commentaries on classics brush chamber 1.Change brush 3 by rotating shaft 32 supportings of extending and rotatable to two ends.Rotating shaft 32 is installed on the suction nozzle housing 34 by bearing assembly 42.
Turbine 5 is installed in two ends of rotating shaft 32, has constituted the air turbine device, by moment that the effect via vacuum cleaner main body 101 inhaled airs is rotated.
Is furnished with dust suction opening portion 26 in the bottom surface of suction nozzle body 100, as shown in figure 24.This opening portion 26 makes changes brush chamber 1 towards floor 36.By the brush or the blading that change brush 3 are acted on the floor 36,, floor 36 cleaned thereby being impacted dust.Opening portion 26 utilizes ambient air to suck the dust that is cleaned.
A plurality of guide plates 33 are contained on the circumference of above-mentioned turbine 5, as Figure 23 and shown in Figure 25.Pure air is from being configured in the 35 mouthfuls of suctions of air inlet on the suction nozzle housing 34.Guide plate 33 is blown into pure air by the outer surface from the axial perimeter of turbine 5 and the above-mentioned pure air guided turbine 5 that will suck.
The pure air that sucks the air inlet 35 on being configured in suction nozzle housing 34 flows in the extensive area of guide plate 33 afterbodys.According to the direction of each guide plate 33, pure air flows into by the extensive area of turbine 5 excircles in the space that the blade space 5a-5e of turbine 5 is constituted.In this embodiment, the above-mentioned excircle on a large scale of turbine has 250 ° approximately.
Pure air further flows to the axial inner zone of turbine 5, and driving force is passed to turbine 5.Pure air flows to the center of changeing brush chamber 1, discharges from turbine 5 then.Pure air further passes extension 104 via receiving port 7, is inhaled at last in the vacuum cleaner main body 101.
Store up by mainly converging by changeing brush 3 dusts that impacted from dust suction opening portion 26 inhaled airs.In changeing brush chamber 1, the air that flows out from turbine 5 is used for being sent to receiving port 7 changeing the dust that compiles the brush chamber 1.
According to this embodiment of the present invention, be from the extensive area of turbine 5 excircles, to flow into owing to enter the air of turbine 5, therefore can produce big rotating torque by effectively utilizing by air intake 35 inhaled airs.In addition, from turbine 5, flow into and flow into the air that changes brush chamber 1 and can be used for transmitting and change the dust that compiles in the brush chamber 1.
As mentioned above, because the air that acts on the turbine 5 is clean, so dust adhesion of (as the blade space and the guide plate 33 of turbine 5) on fixed part can not hinder flowing freely of air and rotate.
As a result, can be at an easy rate the gap of 33 of the shape of the shape and structure of turbine 5, guide plate 33 and turbine 5 and guide plates be preestablished a suitable value, so that produce maximum rotating torque.Utilize a spot of suction air just can produce essential rotating torque like this.
If it is littler that the gap between the circumferential periphery of turbine 5 blades and the inner rim end of guide plate 33 is obtained, in rotation process, may join in many places in the circumferential periphery of turbine 5 blades and the inner periphery limit of guide plate 33 so, thereby produce strong noise.
In order to prevent the generation of above-mentioned strong noise, in according to this embodiment of the present invention, avoided turbine 5 blades and guide plate 33 to join in many places.Specifically, the oblique angle of turbine 5 blades is 36 ° and the oblique angle of guide plate 33 is 19 °.
Figure 26 has represented a modified embodiment of suction nozzle body 100.Wherein dispose a plurality of air intake 35a on suction nozzle housing 34,35b and 35c are used for sucking pure air, and these pure airs are blown in the turbine 5 of the foregoing description.
Figure 27 represents a modified embodiment of 3 suction nozzle bodies 100.Wherein, the top board of suction nozzle housing 34 is lower, thereby the height dimension of suction nozzle body 100 in the foregoing description is diminished.
In this embodiment, the zone that pure air is blown into turbine 5 is divided into two: proparea and back zone.For pure air being sent into each zone, two air intake 35d and 35e have been disposed in the front and back of suction nozzle housing 34.
Figure 28 represents the further improved embodiment of of suction nozzle body 100.Wherein, in the turbine 5 that pure air is blown into the foregoing description, each air intake 35e, 35f and 35g all have suction nozzle shape structure.
Figure 29-33 has represented to be applicable to the shape of the turbine 5 that produces big rotating torque effectively.
Figure 29 is used for the oblique view of the suction nozzle body turbine 5 of vacuum cleaner for expression, the sectional view that Figure 30 cuts open along Figure 29 center line XXX-XXX for expression, the sectional view that Figure 31 cuts open along Figure 30 center line XXXI-XXXI for expression, the sectional view that Figure 32 cuts open along Figure 30 center line XXXII-XXXII for expression, the sectional view that Figure 33 cuts open along Figure 30 center line XXXIII-XXXIII for expression.
This turbine 5 has shape and structure shown in Figure 31.The base part degree of depth each position in the axial direction of turbine 5 blade 5g is all inequality, in the center the darkest and towards two ends smoothly bending shoal.
When turbine 5 is installed on the turning cylinder 32, as Figure 30 with as shown in Figure 32 in district (change brush 5 zone) parallel with the center line of rotating shaft 32.Auxilliary blade 5g2 is around the excircle of blade 5g1 and extension along the circumferential direction.In addition, outskirt 5g3 (brushing 5 relative zones with commentaries on classics) favours guide plate 33.
When vacuum cleaner main body 101 work and when producing suction air, be from the axial outskirt 5g3 of turbine 5 neighborings, to suck by the guiding air of guide plate 33 on flow direction, by the air guide rotation direction, air promptly flows in the turbine 5.
At this moment and since blade 5g1 relative tilt in and cross over guide plate 33, thereby the noise that produces is very little.The air-flow of turbine 5 leads by crooked base part in the blade shape zone and towards the level and smooth break-in in axial inboard, therefore the rotating torque that is produced can act on the turbine 5 effectively owing to flow into.
The air that flows into turbine 5 flows out from axial inner region 5g1, at this moment, on the auxiliary blade 5g2 of air effect in above-mentioned zone, thereby also can produce certain rotating torque.
As a result, become noiseless and have the advantages that to utilize air to produce big rotating torque efficiently of turbine 5.Therefore, turbine 5 is applicable in the structure of suction nozzle body 100 that wherein turbine 5 is driven by the pure air that does not pass dust suction opening 26.
Change on the brush 3 because scrap wire or hair can be wrapped in, therefore will remove these foreign material and preferably dispose detachable commentaries on classics brush 3.Figure 34 and Figure 35 have represented suction nozzle body 100, and wherein suction nozzle housing 34 is divided into upper shell 34a and two parts of lower house 34b.
The part that bearing assembly 42 is represented by separator bar 34e supports and is clipped in the middle.Guide plate 33 is divided into two groups; Group 33a and group 33b.Group 33a is contained on the upper shell 34a, and group 33b is contained on the lower house 34b.
Also as clearly visible among Figure 35,, therefore just can clear up with commentaries on classics brush 3 as mentioned above suction nozzle body 100 by taking out turbine 5 because the lower house 34a and the lower house 34b of suction nozzle housing 34 are separated.
According to this suction nozzle body 100, wherein, according to the suction force that vacuum cleaner main body 101 produces, pure air is blown in the turbine 5 and orders about its rotation.Air intake place sucking pure air preferably adopts big sectional area to produce little air flow resistance.
Figure 36 and Figure 37 have represented to solve the embodiment of the suction nozzle body 100 of the problems referred to above.Figure 36 is the outside drawing of expression suction nozzle body 100, the sectional view of the suction nozzle body 100 that Figure 37 cuts open along Figure 36 center line XXXVII-XXXVII for expression.
In according to this embodiment of the present invention, in order to construct big inlet 35h, suction nozzle body 100 has constituted an air intake case part by extend into suction nozzle housing 34 integral body of changeing brush 1 rear portion, chamber from turbine room 2.Filter 43 is configured in the inside of air intake case part 35h (opening).
This filter 43 can prevent that outside foreign material from entering, and also is safe to human body.Because this big air intake 35h utilizes the back space structure of suction nozzle body 100 to form, so the face shaping of suction nozzle body 100 can't seem excessive.
In according to suction nozzle body 100 of the present invention, change brush 3 and utilize the air turbine device to drive, owing to import effectively in the turbine 5, therefore can obtain big rotating torque from the air that suction force produced of vacuum cleaner main body 101.
Both made have (as containing the rotation that villose carpet hampers changes brush 3) under the ground board status of high-drag, the commentaries on classics brush 3 that is configured on the suction nozzle body 100 also can rotate reposefully, therefore can impact out the dust of carpet depths.
In addition, the dust removal ability that is equipped with according to the vacuum cleaner of each suction nozzle body 100 of the present invention is expected to be improved, and can also significantly save simultaneously and remove workload.
With reference to the accompanying drawings to being illustrated according to another embodiment and a kind of vacuum cleaner that contains the suction nozzle body that is used for the suction nozzle body of vacuum cleaner of the present invention.
Figure 38 is the sectional view of expression according to an embodiment of suction nozzle body of the present invention, Figure 39 takes down the plane of the suction nozzle body of pump orifice case for expression, Figure 40 is the lower surface schematic diagram of expression suction nozzle body for the back schematic diagram of suction nozzle body among expression Figure 39, Figure 41.
Suction nozzle body 200 with suction nozzle main body 201 as skeleton structure.Suction nozzle main body 201 is two parts in the cardinal principle centre-height punishment of suction nozzle main body 201.Suction nozzle main body 201 comprises a lower house 202 and a upper shell 203.Lower house 202 has constituted the exterior contour of suction nozzle main body 201, and upper shell 203 is configured in the top and the Background Region of lower house 202.
Being used for hiding the pump orifice case 204 that rotates dust suction parts-commentaries on classics brush 205 is connected with the upper front portion of suction nozzle main body 201 or uncoupling and detachable.Pump orifice case 204 is hiding changes brush 205.
Sheath body 206 is configured in the rear end part of suction nozzle main body 201 and can freely rotates towards the above and below, and sleeve pipe 207 links to each other with the end of sheath body 206 and be rotatable.
Two open-close pull bars 208 are configured in the inboard of pump orifice case 204 and also can move towards horizontal.By handling open-close pull bar 208, pump orifice case 204 can take out from lower house 202 and upper shell 203.
Commentaries on classics brush 205 is placed on the inside of suction nozzle body 200.Changeing 205 pairs of surfaces that need to remove of brush removes.
Two rotating shafts 209 are pressed and are inserted in the two ends of changeing brush 205.Turbine 210A is inserted in the rotating shaft 209.Another turbine 210B and turbine 210A are staggered relatively.Turbine 210A and turbine 210B have constituted turbine part 210.
Be illustrated driving the device that changes brush 205 with reference to the accompanying drawings.Figure 42 is the sectional view of suction nozzle body among expression Figure 38, Figure 43 is the rearview of expression pump orifice case, the sectional view of the pump orifice case that Figure 44 cuts open along Figure 43 center line XXXXIV-XXXXIV for expression, the sectional view of the pump orifice case that the sectional view of the pump orifice case that Figure 45 cuts open along Figure 43 center line XXXXV-XXXXV for expression, Figure 46 are cut open along Figure 43 center line XXXXVI-XXXXVI for expression.
In this embodiment according to suction nozzle body 200 of the present invention, as shown in figure 42, disposed a plurality of suction nozzles 211 and 212 (leafy suction nozzle) by the outer circumference surface that hides turbine 210, these suction nozzles are blown into air in the turbine 210.The upside of leafy suction nozzle 211 is fixed on the back side of pump orifice case 204, and the downside of leafy suction nozzle 212 is fixed on the lower house 202.
Be illustrated driving the course of work of changeing brush 205 below.As Figure 39 and shown in Figure 40, the air that is blown into turbine 210 is sucked by rear portion pump orifice 213 and top pump orifice 214.Rear portion pump orifice 213 is configured in the rear portion of suction nozzle body 200 upper shells 203 and contains a plurality of passages 215.Top pump orifice 214 is configured in the top of suction nozzle body 200 upper shells 203 and contains a plurality of passages 215.
Figure 47 is the sectional view of expression rear portion pump orifice 213.Rear portion pump orifice 213 is that half plate of upper shell 213 constitutes by thickness, and passage 203 is configured in the pump orifice place of the upper shell 203 with thin thickness of slab.
Because passage 215 constitutes an integral body with the SS of upper shell 203, therefore can shorten the dismounting time of suction nozzle body 200, the recovery characteristic of suction nozzle body 200 improves simultaneously.
As shown in figure 38, air sucks from rear portion pump orifice 213 and top pump orifice 214, air duct 217A is made of partition wall 216A, and partition wall 216A is made of the antetheca of lower house 202 and upper shell 203, the upper wall of lower house 202 and the outer wall of upper shell 203.
In addition, partition wall 216B and air duct 217B are configured in the front end place that changes brush 205 equally.
As Figure 38 and shown in Figure 42, from passage 127 (127A and the 127B) inhaled air of rear portion pump orifice 213 and top pump orifice 214 via passage 217A quilt and lower house 202 whole guide wall 218 throttlings that constitute.Air imports in leafy suction nozzle 211 and 212 and blows to turbine 210.
Because nearly all passage 127A and 127B inhaled air from rear portion pump orifice 213 and top pump orifice 214 all import the turbine 210 from this side of leafy suction nozzle 211, so air can flow in the front end and leafy suction nozzle 212 of leafy suction nozzle 211 hardly.
As a result, in this embodiment according to suction nozzle body 200 of the present invention, following situation is difficult to realize: promptly air flows in the front end and leafy suction nozzle 212 of leafy suction nozzle 211, thereby the rotating torque of turbine 210 (changeing brush 205) is improved.For this reason, as shown in figure 43, disposed air introducing port 219 in the side of suction nozzle body 200 (pump orifice case 204).
By the configuration of air introducing port 219, air can flow in the front end and leafy suction nozzle 212 of leafy suction nozzle 211, and the moment of turbine 210 (changeing brush 205) just can improve like this.
In addition, the quantity of air introducing port 219 and position can be selected on request.For example, air introducing port 219 can be configured on the pump orifice case 204, and pump orifice case 204 is positioned at the top of turbine 210, and air just can flow into turbine 210 like this.
As shown in figure 38, after air is blown into turbine 210, just flows into pump orifice 220 and deliver in the vacuum cleaner main body via sheath body 206 and suction nozzle sleeve pipe 207.
In this embodiment according to suction nozzle body 200 of the present invention, flow into the turbine 210 from the rear portion pump orifice 213 of suction nozzle body 200 and passage 215 inhaled airs on the top pump orifice 214, and suck vacuum cleaner main body via sheath body 206 and suction sleeve pipe 207.Air moves to the central part of pump orifice 220 at a high speed rotatably like this, and the result produces eddy current.
In the suction nozzle body 200 according to this embodiment of the present invention, turbine 210 and commentaries on classics brush 205 produce vortex flow along with being rotated by rear portion pump orifice 213 and top pump orifice 214 inhaled airs in pump orifice 220.
Under the acting in conjunction of above-mentioned two states, need the dust on cleaning surface rolled-up and be inhaled into, the result can significantly improve the dust collecting function of suction nozzle body 200.
In addition, in this embodiment according to suction nozzle body 200 of the present invention, when suction nozzle body 200 leaves need clear up surperficial, because nearly all air all sucks the while owing to passage 215 inhaled airs from rear portion air pump orifice 213 and upper air pump orifice 214 reduce from pump orifice 220, has therefore reduced turbine 210 and commentaries on classics and has brushed 205 revolution.
In addition, in this embodiment according to suction nozzle body 200 of the present invention, the automatic variation of the turbine 210 and the quantity of changeing brush 205 along with the different of the surface of need cleaning.
Below, a kind of maintaining method according to suction nozzle body 200 of the present invention is illustrated.As mentioned above, in this embodiment according to suction nozzle body 200 of the present invention, pump orifice case 204 is placed on the top of the pump orifice 220 of suction nozzle body 200.
On pump orifice case 204, open a closed pull bar 208 at the inside of pump orifice case 204 lateral sliding.Open a closed pull bar 208 by handling, suction nozzle body 200 can take out from upper shell 202 and lower house 203.
In addition, dispose a pit in the side of suction nozzle body 200 (pump orifice case 204).Take out the operator that the operator inserts pit to forefinger or middle finger in the process of pump orifice case 204, hook with thumb and open a closed pull bar 208.
The outside slide-open one closed pull bar 208 of operator also makes it and 204 disengagements of pump orifice case, utilizes thumb and forefinger (or middle finger) to push pump orifice case 204 aside like this and can take out pump orifice case 204.
At this moment leafy suction nozzle 212 is rotated with on lower house 203 because leafy suction nozzle 211 is fixed on the back side of pump orifice case 204, therefore has only brush of commentaries on classics 205 and turbine 210 to be removed, and so just can carry out removing work.The result can make the easy to operate of suction nozzle body 200.
According to this embodiment of suction nozzle body 200 of the present invention, owing on the side of suction nozzle body 200 (pump orifice case 204), dispose pit, so the operator can forefinger or middle finger inserts in the pit and available thumb hooks unlatching one closed pull bar 208.
The operator outwards slides open-close pull bar 208, makes it break away from pump orifice case 204, utilizes thumb and forefinger (or middle finger) to push pump orifice case 204 aside like this and can take out pump orifice case 204 at an easy rate from suction nozzle body 200.
In addition, this embodiment according to suction nozzle body 205 of the present invention, but the open-close lever 208 of lateral sliding is configured in the inboard of pump orifice case 204, and in the process of 200 pairs of dust suctions such as furniture of suction nozzle body, open-close lever 208 can be avoided the external force effect like this.
In addition, among this embodiment according to suction nozzle body 200 of the present invention, can take out at an easy rate with turbine 210, therefore can shorten the dismounting time of suction nozzle body 200 owing to contain the commentaries on classics brush 205 of metal rotating shaft 209.And, therefore can significantly improve the recovery characteristic of suction nozzle body 200 because metal part and parts of plastics are separated.
As mentioned above,, wait rotation dust suction parts directly to drive, therefore can obtain the suction nozzle body of miniaturization, also can reduce simultaneously because the noise that the rotation in the suction nozzle body causes by turbine part owing to change brush according to the present invention.
In addition, according to the present invention, when opening the pump orifice case,, be dismountable as changeing brush and turbine owing to rotate the dust suction parts, therefore can shorten the dismounting time of suction nozzle body, can improve the recyclability of suction nozzle body simultaneously.

Claims (28)

1. be used for the suction nozzle body of vacuum cleaner, comprise:
A suction nozzle main body;
A turbine part that is installed in the said suction nozzle main body;
Suction nozzle parts that are installed in the said suction nozzle main body rotate moment to drive turbine part by the suction air-flow being supplied with above-mentioned turbine part; And
Rotation dust suction parts that are installed in the said suction nozzle main body, these dust suction parts are driven by the rotating torque that produces on the above-mentioned turbine part; Wherein:
The said suction nozzle parts are made of partition wall portions, leader and sidewall sections integral body;
The above-mentioned partition wall portions of said suction nozzle parts has constituted an air flow inlet;
The above-mentioned leader of said suction nozzle parts is along the excircle extension of above-mentioned turbine part and around above-mentioned turbine part, and this leader imports the air-flow that flows into the said flow inlet inside of above-mentioned turbine part from the above-mentioned excircle of above-mentioned turbine part; And
The above-mentioned sidewall sections of said suction nozzle parts prevents the side effusion of air-flow from the above-mentioned leader of said suction nozzle parts.
2. according to the suction nozzle body that is used for vacuum cleaner of claim 1, it is characterized in that:
The said flow inlet of said suction nozzle parts has circular configuration to avoid causing the air-flow whirling motion.
3. according to the suction nozzle body that is used for vacuum cleaner of claim 1, wherein:
The said suction nozzle parts also comprise an inner peripheral wall part and an opening portion;
The above-mentioned inner peripheral wall part of said suction nozzle parts partly extends and facing to the above-mentioned excircle of above-mentioned turbine part from the side of the above-mentioned sidewall sections of said suction nozzle parts; And
The above-mentioned opening portion of said suction nozzle parts extends on the circumferencial direction of the above-mentioned inner peripheral wall part of said suction nozzle parts, the air-flow above-mentioned turbine part that leads.
4. according to claim 1 any one suction nozzle body that is used for vacuum cleaner in the claim 3, wherein:
Long-pending the reducing gradually of the cross section of fluid channel of said suction nozzle parts along with the said suction nozzle parts with respect to the increase of the winding angle of the above-mentioned excircle of above-mentioned turbine.
5. according to the suction nozzle body that is used for vacuum cleaner of claim 4, wherein:
The above-mentioned cross section of fluid channel of said suction nozzle parts amasss in the said flow porch and is made as 150mm 2-250mm 2
6. according to the suction nozzle body that is used for vacuum cleaner of claim 4 or claim 5, it is characterized in that:
Gap between the above-mentioned leader of said suction nozzle parts and the above-mentioned excircle of above-mentioned turbine part is set at gradually and reduces.
7. according to the suction nozzle body that is used for vacuum cleaner of claim 4 or claim 5, wherein:
The above-mentioned cross section of fluid channel of said suction nozzle parts is long-pending to be reduced gradually along with the reducing gradually of lateral width of said suction nozzle parts.
8. according to the suction nozzle body that is used for vacuum cleaner of claim 4 or claim 5, wherein:
The above-mentioned cross section of fluid channel of said suction nozzle parts amasss along with the reducing gradually of gap between the above-mentioned excircle of the above-mentioned leader of said suction nozzle parts and above-mentioned turbine part and reduces gradually, also reduces gradually along with the reducing gradually of lateral width of said suction nozzle parts simultaneously.
9. according to claim 1 any one suction nozzle body that is used for vacuum cleaner to the claim 8, wherein:
The said suction nozzle parts are made of suction nozzle housing integral body.
10. according to claim 1 any one suction nozzle body that is used for vacuum cleaner to the claim 9, wherein:
The part of the above-mentioned partition wall of said suction nozzle parts and said suction nozzle housing is whole to be constituted, and the rotation dust suction component room of the said suction nozzle main body of said suction nozzle body and turbine part chamber are separated; And
The said suction nozzle parts removably are connected or throw off with the said suction nozzle housing from the top of said suction nozzle housing.
12. according to claim 1 any one suction nozzle body that is used for vacuum cleaner to the claim 10, wherein:
Above-mentioned rotation dust suction parts are installed in the rotating shaft of above-mentioned turbine part.
13. being used for the suction nozzle main body of vacuum cleaner comprises:
A suction nozzle main body;
A turbine part that is installed in the said suction nozzle main body;
A runner that is configured in the said suction nozzle main body rotates moment to drive above-mentioned turbine by the suction air-flow is supplied with above-mentioned turbine part; And
Rotation dust suction parts in rotation dust suction component room that is installed in the said suction nozzle main body are driven by the rotating torque that produces on the above-mentioned turbine part; Wherein:
Above-mentioned runner sucks pure air and the excircle of above-mentioned pure air along predetermined direction from above-mentioned turbine part is sucked above-mentioned turbine part from the air intake that is configured on the suction nozzle housing;
Thus, the air-flow in the above-mentioned turbine part flows in the above-mentioned rotation dust suction component room after flowing out again.
14. according to the suction nozzle body that is used for vacuum cleaner of claim 13, wherein:
Above-mentioned runner contains a plurality of guide plates;
Be configured in above-mentioned guide plate in the above-mentioned runner facing to the excircle of above-mentioned turbine part, and provide direction character for the air-flow that flows in the above-mentioned turbine part.
15. according to the suction nozzle body that is used for vacuum cleaner of claim 14, wherein:
Be configured in above-mentioned guide plate in the above-mentioned runner and favour the blade of above-mentioned turbine part.
16. according to the suction nozzle body that is used for vacuum cleaner of claim 14 or claim 15, wherein:
The above-mentioned guide plate that is configured in the above-mentioned runner is furnished with the oblique angle, can not join in many places with the above-mentioned blade of above-mentioned turbine part simultaneously in the above-mentioned oblique angle of above-mentioned guide plate.
17. according to the suction nozzle body that is used for vacuum cleaner of claim 13, wherein:
A plurality of above-mentioned air intakes are facing to the excircle of above-mentioned turbine part.
18. according to the suction nozzle body that is used for vacuum cleaner of claim 13, wherein:
Above-mentioned air intake is gradually wide towards the rear portion of above-mentioned rotation dust suction component room.
19. according to the suction nozzle body that is used for vacuum cleaner of claim 18, wherein:
Filter element is configured in the above-mentioned opening portion of above-mentioned air intake.
20. according to the suction nozzle body that is used for vacuum cleaner of claim 13, wherein:
Above-mentioned turbine part comprises: blade; Axially outskirt is used for being blown into air from above-mentioned blade; Inner region is used for blow out air in above-mentioned blade space;
The base part degree of depth smooth curved of the above-mentioned blade of above-mentioned turbine part, the darkest in axial center;
The above-mentioned outskirt of above-mentioned turbine part favours above-mentioned guide plate; And
The above-mentioned inner region of above-mentioned turbine part parallels with the rotating shaft center of above-mentioned turbine part.
21. according to the suction nozzle body that is used for vacuum cleaner of claim 20, wherein:
Circumferential periphery at the above-mentioned inner region of the above-mentioned blade of above-mentioned turbine part disposes auxilliary blade, above-mentioned auxilliary blade towards the circumferencial direction of above-mentioned turbine part extend,
22. according to claim 13 any one suction nozzle body that is used for vacuum cleaner to the claim 21, wherein:
Above-mentioned turbine part and above-mentioned channel arrangement are at the two ends of rotating shaft, and the above-mentioned shaft support of above-mentioned turbine part above-mentioned rotation dust suction parts.
23. according to the suction nozzle body that is used for vacuum cleaner of claim 22, wherein:
The bearing assembly at above-mentioned two ends of above-mentioned rotating shaft that supports above-mentioned turbine part is by suction nozzle housing supporting and detachable in being clipped in the middle, and the said suction nozzle housing is divided into two parts up and down.
24. a vacuum cleaner is characterized in that:
The above-mentioned vacuum cleaning that contains vacuum cleaner main body is along comprising by claim 1 to the said suction nozzle body that claim 23 limited, and the said suction nozzle body is installed on the above-mentioned vacuum cleaner main body.
25. contain a kind of vacuum cleaner of suction nozzle main body, suction nozzle main body comprises:
Suction nozzle main body with upper shell and lower house, the above-mentioned lower house of said suction nozzle main body contains an air entry at lower surface;
Be placed on the rotation dust suction parts at above-mentioned air entry place of the above-mentioned lower house of said suction nozzle main body, these rotation dust suction parts comprise a rotating shaft;
At least one is placed on the turbine part on the same axis of above-mentioned rotating shaft of above-mentioned rotation dust suction parts, and this turbine part is positioned at the outside of above-mentioned rotation dust suction parts, is used for driving above-mentioned rotation dust suction parts;
A sheath body, the rear portion that is placed on above-mentioned rotation dust suction parts also can make progress, freely rotate with the said suction nozzle main body downwards, and this sheath body contains an air intake passage;
An air-breathing sleeve pipe that is placed on above-mentioned sheath body rear portion;
A pump orifice case that is used for hiding above-mentioned rotation dust suction parts;
Suction nozzle parts that are placed on above-mentioned pump orifice case back are used for air is sucked in above-mentioned at least one turbine part; And
A passage is configured at least one of above-mentioned upper shell of above-mentioned pump orifice case and said suction nozzle main body, is used for air is supplied with above-mentioned at least one turbine.
26. a kind of vacuum cleaner that contains the suction nozzle body according to claim 25 is characterized in that:
Be used for air is blown into said suction nozzle component configuration in above-mentioned at least one turbine on the above-mentioned lower house of said suction nozzle main body.
27. according to a kind of vacuum cleaner that contains the suction nozzle body of claim 25 or claim 26, wherein:
Above-mentioned passage is configured on the upper surface of above-mentioned pump orifice case and is positioned near the said suction nozzle parts.
28. according to claim 25 any one a kind of vacuum cleaner that contains the suction nozzle body to the claim 27, wherein:
Above-mentioned passage is configured on the side of above-mentioned pump orifice case and is positioned near the said suction nozzle parts.
29. contain a kind of vacuum cleaner of suction nozzle body, the suction nozzle body comprises:
Suction nozzle main body with upper shell and lower house, the above-mentioned lower house of said suction nozzle main body contains an air entry at lower surface;
Be placed on the rotation dust suction parts at above-mentioned air entry place of the above-mentioned lower house of said suction nozzle main body, these rotation dust suction parts comprise a rotating shaft;
At least one is placed on the turbine part on the same axis of above-mentioned rotating shaft of above-mentioned rotation dust suction parts, and this turbine part is positioned at the outside of above-mentioned rotation dust suction parts, is used for driving above-mentioned rotation dust suction parts;
A sheath body, the rear portion that is placed on above-mentioned rotation dust suction parts also can make progress, freely rotate with the said suction nozzle main body downwards, and this sheath body contains an air intake passage;
An air-breathing sleeve pipe that is placed on above-mentioned sheath body rear portion;
A pump orifice case that is used for hiding above-mentioned rotation dust suction parts;
Suction nozzle parts that are placed on above-mentioned pump orifice case back are used for air is blown in above-mentioned at least one turbine part; And
Unlatching one a closed pull bar that is configured on the above-mentioned pump orifice case;
By handling above-mentioned open-close pull bar, above-mentioned pump orifice case can be pulled down from the said suction nozzle main body thus, and
When above-mentioned pump orifice case was opened, above-mentioned rotation dust suction parts and above-mentioned at least one turbine part can be pulled down from the said suction nozzle main body.
CNB961101792A 1995-07-14 1996-07-12 Suction nozzle body for use in vacuum cleaner and vacuum cleaner having suction nozzle body Expired - Fee Related CN1154429C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP178860/1995 1995-07-14
JP178680/95 1995-07-14
JP17886095A JP3300574B2 (en) 1995-07-14 1995-07-14 Suction body of vacuum cleaner and vacuum cleaner having the same
JP17868095A JP3192063B2 (en) 1995-07-14 1995-07-14 Vacuum cleaner suction and vacuum cleaner
JP178860/95 1995-07-14
JP178680/1995 1995-07-14

Publications (2)

Publication Number Publication Date
CN1191102A true CN1191102A (en) 1998-08-26
CN1154429C CN1154429C (en) 2004-06-23

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ID=26498775

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB961101792A Expired - Fee Related CN1154429C (en) 1995-07-14 1996-07-12 Suction nozzle body for use in vacuum cleaner and vacuum cleaner having suction nozzle body

Country Status (3)

Country Link
KR (2) KR100260369B1 (en)
CN (1) CN1154429C (en)
TW (2) TW368848U (en)

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CN103190862A (en) * 2012-01-06 2013-07-10 科沃斯机器人科技(苏州)有限公司 Pneumatic floor brush and vacuum cleaner thereof
CN104674737A (en) * 2013-11-28 2015-06-03 长沙中联重科环卫机械有限公司 Suction nozzle and road cleaning truck
CN104939746A (en) * 2015-05-21 2015-09-30 苏州展翘电器有限公司 Pneumatic rolling brush for dust collection air flue and turbine drive air flue separating structure
CN105476547A (en) * 2014-10-02 2016-04-13 沃维克股份有限公司 Driven brush as an attachment for a vacuum cleaner
CN109222752A (en) * 2018-09-20 2019-01-18 苏州市春菊电器有限公司 A kind of dust catcher dust barrel and dust catcher with reduction of speed structure
CN110710928A (en) * 2018-07-11 2020-01-21 尚科宁家（香港）股份有限公司 Surface cleaning head

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KR100855677B1 (en) * 2002-08-29 2008-09-03 엘지전자 주식회사 Suction portion for vacuum cleaner
KR100572153B1 (en) * 2004-04-02 2006-04-24 삼성광주전자 주식회사 A brush assembly and a vaccum cleaner comprising brush assembly
KR100617163B1 (en) * 2004-10-12 2006-08-31 엘지전자 주식회사 Nozzle Assembly for Vacuum Cleaner
CN102551599B (en) * 2010-12-23 2014-01-08 莱克电气股份有限公司 Pneumatic ground brush of dust collector
CN104367268B (en) * 2013-08-13 2017-06-16 莱克电气股份有限公司 Modified floor brush of dust collector
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CN103190862A (en) * 2012-01-06 2013-07-10 科沃斯机器人科技(苏州)有限公司 Pneumatic floor brush and vacuum cleaner thereof
WO2013102424A1 (en) * 2012-01-06 2013-07-11 科沃斯机器人科技(苏州)有限公司 Pneumatic floor brush and vacuum cleaner thereof
CN103190862B (en) * 2012-01-06 2015-12-09 科沃斯机器人有限公司 Pneumatic floor brush and vacuum cleaner thereof
CN104674737A (en) * 2013-11-28 2015-06-03 长沙中联重科环卫机械有限公司 Suction nozzle and road cleaning truck
CN105476547A (en) * 2014-10-02 2016-04-13 沃维克股份有限公司 Driven brush as an attachment for a vacuum cleaner
CN105476547B (en) * 2014-10-02 2018-09-28 沃维克股份有限公司 The drive-type brushing tool of attachment as dust catcher
CN104939746A (en) * 2015-05-21 2015-09-30 苏州展翘电器有限公司 Pneumatic rolling brush for dust collection air flue and turbine drive air flue separating structure
CN110710928A (en) * 2018-07-11 2020-01-21 尚科宁家（香港）股份有限公司 Surface cleaning head
CN109222752A (en) * 2018-09-20 2019-01-18 苏州市春菊电器有限公司 A kind of dust catcher dust barrel and dust catcher with reduction of speed structure
CN109222752B (en) * 2018-09-20 2024-03-15 苏州市春菊电器有限公司 Dust collector dust bucket with speed reducing structure and dust collector

Also Published As

Publication number Publication date
KR100260369B1 (en) 2000-07-01
KR100298604B1 (en) 2001-09-22
CN1154429C (en) 2004-06-23
KR970005211A (en) 1997-02-19
TW359600B (en) 1999-06-01
TW368848U (en) 1999-09-01

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