CN1125617C - Vacuum cleaner and cleaning method - Google Patents
Vacuum cleaner and cleaning method Download PDFInfo
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- CN1125617C CN1125617C CN 94194519 CN94194519A CN1125617C CN 1125617 C CN1125617 C CN 1125617C CN 94194519 CN94194519 CN 94194519 CN 94194519 A CN94194519 A CN 94194519A CN 1125617 C CN1125617 C CN 1125617C
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Abstract
The present invention relates to a vacuum cleaner which does not need a rotary hair brush and is provided with a suction nozzle body which is in quiet operation, wherein a gap or a suction nozzle is formed between the front edge of the suction nozzle body and a surface to be cleaned. A suction chamber is formed on a smooth and continuous surface shaped on a cylinder determined from the end part of the suction nozzle to the inside of the suction nozzle body. Air in the suction chamber can be sucked out by a suction device, and a spiral air flow is longitudinally generated on the suction nozzle body; the spiral air flow can remove dust on the ground to be cleaned and is sucked away along with a high-speed air flow.
Description
The present invention relates to a kind of vacuum cleaner, it has a kind of aspirator that cleans by the dust on the suction institute clean Surface.
In prior art, often a kind of electric vacuum cleaner that uses has the hairbrush of a rotation, this hairbrush is contained in the suction chamber of main body of pump orifice, and is driven by an other motor or air turbine, in order that improve the performance of aspirating the dust on the carpet particularly.The purpose of this class vacuum cleaner is owing to the dust of dust being brushed and being aspirated on institute's clean Surface with the hairbrush of rotation improves suction performance.
For example announced the technology that is adopted in a kind of vacuum cleaner that is having a revolving wormgear that is sucked the driving of air stream in disclosed Japanese patent application No. 1-297030, the hairbrush that rotates in this vacuum cleaner is driven by this revolving wormgear.Announced the technology of the hairbrush of rotation among the disclosed Japanese patent application No. 2-274218 by the vacuum cleaner of hairbrush motor driving.
On the other hand, announced a kind of dust exhaust apparatus in disclosed Japanese patent application No. 62-139450, it produces its rotation and is flowing perpendicular to the upwardly extending a kind of spirality air in the side of institute's clean Surface.In this device, formed a ledge at pump orifice, produce spirality air stream with this ledge.
Owing in the vacuum cleaner of the employing rotating brushes of prior art, the hairbrush of a rotation must be installed, and be used for driving other motor or air turbine at the rotating brushes of pump orifice the inside, this has just produced a problem: the weight and volume of pump orifice becomes big, and the therefore operability worsens of vacuum cleaner.In addition, it is big that the vibrating noise that friction caused between Rotation Noise that rotating brushes caused and rotating brushes and the ground cleaned becomes, and this is the not satisfied principal element of this vacuum cleaner.
Producing its rotation in the sort of device of upwardly extending a kind of spirality air stream, requiring the length-width ratio of the cross sectional shape of pump orifice is made into as far as possible near 1, perhaps preferably this cross sectional shape is being made into circle perpendicular to the side of institute's clean Surface.The cross sectional shape of the pump orifice that is adopted in the vacuum cleaner of multiple routine is a rectangle, lean against move pump orifice with respect to ground on the direction perpendicular to the long axle of pump orifice can dust suction effectively in the scope of broad.Yet, for the shape of the pump orifice that produces spirality air stream,, need do the cross section of pump orifice greatlyyer for dust suction effectively in the zone of broad, there is foursquare length-width ratio in the cross section of this pump orifice simultaneously.In the device of the prior art that adopts spirality air stream, such problem is arranged: the weight of pump orifice strengthens, and it is difficult that the operation that makes this vacuum cleaner becomes, and this is because the pump orifice of foursquare shape is bigger than the rectangular pump orifice that is shaped as same length-width ratio inevitably.Being shaped as under the circular situation of pump orifice, the problem of appearance is to aspirate the ground dust that nestles up sidewall effectively.
An object of the present invention is to provide a kind of vacuum cleaner that can reduce from the mechanicalness noise of dust catcher, another purpose provides a kind of vacuum cleaner that can make all less pump orifice of its size and weight that has.
To achieve these goals, the present invention includes the main body of a suction nozzle, it has a suction chamber that has towards an opening of institute's clean Surface; A fluid passage that between the exterior portion of this suction chamber and suction nozzle main body, is connected; And be used for a aspirator through the air in the fluid passage suction suction chamber, wherein the main body of suction nozzle comprises: suction chamber comprises a fluid passage of being made up of the level and smooth continuous surface that leads to opening; And be used for fluid is directed to by the outside of suction nozzle main body a suction nozzle of fluid passage, extend the lower surface of response suction nozzle main body and the relation between institute's clean Surface along the direction that the continuous surface and the opening of suction chamber intersects each other.
The present invention includes the main body of a suction nozzle, it has a suction chamber that has towards an opening of institute's clean Surface; A fluid passage that between the exterior portion of this suction chamber and suction nozzle main body, is connected; And be used for a aspirator through the air in the fluid passage suction suction chamber, wherein the main body of suction nozzle comprises: suction chamber comprises a fluid passage of being made up of the level and smooth continuous surface that leads to opening; And a suction nozzle that is used for connecting the inside of the exterior portion of suction nozzle main body and suction chamber, extend along the direction that the opening of continuous surface and suction chamber intersects each other, towards the fluid passage.
The present invention includes the main body of a suction nozzle, it has a suction chamber that has towards an opening of institute's clean Surface; A fluid passage that between the exterior portion of this suction chamber and suction nozzle main body, is connected; And be used for a aspirator through the air in the fluid passage suction suction chamber, wherein the main body of suction nozzle comprises: suction chamber comprises a fluid passage of being made up of the level and smooth continuous surface that leads to opening; And a dished portion, an edge that intersects each other along continuous surface and opening extends, and the whole zone at the lower surface of suction nozzle main body forms this dished portion on by the direction of the side at this edge and this edge traversed by.
The present invention includes the main body of a suction nozzle, it has a suction chamber that has towards an opening of institute's clean Surface; A fluid passage that between the exterior portion of this suction chamber and suction nozzle main body, is connected; And be used for a aspirator through the air in the fluid passage suction suction chamber, wherein the main body of suction nozzle comprises: suction chamber comprises a fluid passage of being made up of the level and smooth continuous surface that leads to opening; Being used for limit fluid flows to a masked segment in the suction chamber through the lower surface of suction nozzle main body and the gap between institute's clean Surface; And be used for fluid is directed to by the outside of suction nozzle main body a suction nozzle of fluid passage, extend the lower surface of response suction nozzle main body and the relation between institute's clean Surface along the direction that the continuous surface and the opening of suction chamber intersects each other.
The present invention includes the main body of a suction nozzle, it has a suction chamber that has towards an opening of institute's clean Surface; A fluid passage that between the exterior portion of this suction chamber and suction nozzle main body, is connected; And be used for a aspirator through the air in the fluid passage suction suction chamber, wherein the main body of suction nozzle comprises: suction chamber comprises a fluid passage of being made up of the level and smooth continuous surface that leads to opening; Be used for fluid is directed to a suction nozzle of fluid passage by the outside of suction nozzle main body, extend the lower surface of response suction nozzle main body and the relation between institute's clean Surface along the direction that the continuous surface and the opening of suction chamber intersects each other; And, be used for limit fluid to flow in the suction chamber through the lower surface of suction nozzle main body and the gap between institute's clean Surface at the shielding part that the lower surface of suction nozzle main body forms.
The present invention includes the main body of a suction nozzle, it has a suction chamber that has towards an opening of institute's clean Surface; A fluid passage that between the exterior portion of this suction chamber and suction nozzle main body, is connected; And be used for a aspirator through the air in the fluid passage suction suction chamber, wherein the main body of suction nozzle comprises: suction chamber comprises a fluid passage of being made up of the level and smooth continuous surface that leads to opening; And a shielding part, it has an opening round this opening at an edge that intersects each other along continuous surface and opening.
The present invention includes the main body of a suction nozzle, it has a suction chamber that has towards an opening of institute's clean Surface; A fluid passage that between the exterior portion of this suction chamber and suction nozzle main body, is connected; And be used for a aspirator through the air in the fluid passage suction suction chamber, wherein the main body of suction nozzle comprises: along the suction nozzle that opening forms, be used for the straight line air stream from the outside of suction nozzle main body is directed to suction chamber; And a suction chamber, it have be used for the kinetic energy of straight line air stream convert to rotation can inner surface, be used for being created in the helical flow that vertically goes up development of suction chamber.
The present invention includes the main body of a suction nozzle, it has a suction chamber that has towards an opening of institute's clean Surface; A fluid passage that between the exterior portion of this suction chamber and suction nozzle main body, is connected; And be used for a aspirator through the air in the fluid passage suction suction chamber, wherein suction chamber be made into one be communicated with between the opening get up continuously and smooth interior surface; The fluid passage is coupling together between the outside of core on the direction that intersects each other at the opening of continuous surface and suction chamber and suction nozzle main body; Dished portion is formed by an end sides at the edge that continuous surface and opening intersect each other, and with the direction of this edge traversed by on form this dished portion in the whole zone of the lower surface of suction nozzle main body; The skirt-shaped part that rubber is made is used for the gap between the lower surface of suction nozzle main body and the institute's clean Surface is covered up, and this skirt-shaped part is made into determined by the vent cover of a step part to another step part by dished portion; Make the motion smoothing that a roller is used for making the suction nozzle main body, and this is taken turns the relative position of opening of formed dished portion in the lower surface that is contained on the lower surface with the suction nozzle main body; Aspirator is made of an extension that is connected on fluid passage and the blower fan; And the air of suction chamber the inside is aspirated out and produce a symmetry and continuous spirality air stream by blower fan, develop towards the fluid passage on the direction that the opening of continuous surface and suction chamber intersects each other by an end sides.
The present invention includes the main body of a suction nozzle, it has a suction chamber that has towards an opening of institute's clean Surface; And an aspirator that is used for aspirating the air in the suction chamber, wherein produce a spirality air stream, this air stream development in the vertical comprising in the suction chamber at an edge of the opening longitudinally of suction chamber; Make the direct and institute's clean Surface collision of spirality air stream; And the air that is reflected after the collision is flowed suction walk.
(this surperficial configuration is fixed an opening by a level and smooth and continuous surface to be used for producing the device of spirality air stream, this opening forms on the lower surface of suction nozzle main body, facing to institute's clean Surface) and a suction nozzle (this nozzle handle is directed on this continuous surface from the fluid stream of the outside of suction nozzle main body) formation.
Be sucked after device aspirates away at the air of suction nozzle the inside, suction nozzle is guiding the air that is sucked to enter suction chamber, makes the air that is sucked to enter with the outside of linear fashion by the suction nozzle main body.The kinetic energy that this continuous surface guides suction nozzle with linear fashion air flows converts the rotation energy to, thereby air forms a spirality air stream.
Suction nozzle is mounted to the direction that intersects each other along continuous surface and opening extends.This direction that continuous surface and opening are intersected each other is taken as the main body of suction nozzle, the longitudinal direction of suction chamber or opening.
The opening of the fluid passage that is connected between suction chamber and suction nozzle main body in the side of suction chamber is positioned under the situation of core longitudinally, the spirality air flows by the opening of sensings such as the side, two ends longitudinally of suction nozzle main body in the fluid passage of the center of suction chamber, and forms a pair of symmetry and continuous spirality air stream.In addition, be positioned at the opening of fluid passage under the situation of two end surfaces longitudinally of suction chamber, spirality air stream points to side, two ends longitudinally by the center of suction chamber, and forms a pair of symmetry and continuous spirality air stream.
When suction nozzle is positioned at the lower surface of suction nozzle main body, can be according to determining the structure and the configuration of suction nozzle with the position relation of institute clean Surface.For example, gap between the lower surface of institute's clean Surface and suction nozzle main body is configured to by the leading section of suction nozzle main body or rearward end extends, and be connected on the opening, this gap can be directed to by the outside of suction nozzle main body gaseous fluid the inside of suction chamber with its flow direction that is directed.In such configuration, leading section or rearward end are corresponding with the neighboring that is configured to along the lower surface of the suction nozzle main body of the longitudinal extension of main body.
In these cases, the air of suction chamber flows the direction that is directed to helical flow by the tangential direction of the spirality air stream that is produced being directed in requirement, and the extraneous air flow resistance that does not flow through suction nozzle is blocked in requirement.In order to satisfy this requirement, suction nozzle is carried out in the process of configuration in lower surface and the relation between institute's clean Surface according to the suction nozzle main body, the lower surface of suction nozzle main body in the side relative be specified to the air that makes in the outside of suction nozzle main body in the structure of the lateral parts (two of main body ends in the vertical) of opening and can not flow in the suction chamber with opening.
In addition, a shielding part can be installed, be used for preventing that air from flowing to suction chamber in the side relative with opening with at lateral parts (that is, two of main body ends) in the vertical.
Also can a dished portion be installed suction nozzle is carried out configuration along vertically going up of main body at the lower surface (forming suction nozzle) of suction nozzle main body at this place, thus feasible can foundation by the leading section of suction nozzle main body or rearward end connected component to opening.
Spirality air stream forms by the fluid passage of continuous surface to institute's clean Surface, and this air stream plays the effect as the rotating brushes in the main body that is installed in suction nozzle in the vacuum cleaner of prior art usually.Like this, the operation of spirality air stream is impacted the ground of being cleaned as this air stream, can be removed dust by ground.
Though this continuous surface has formed a surface along the longitudinal extension of suction chamber really, the shape of this continuous surface must not be columniform shell, and can be quadrilateral prism.In addition, guide aliunde air stream, so can produce a spirality air stream effectively owing to the direction of suction nozzle being got along this continuous surface.
Also have, in the present invention, control the pumping power of aspirator, can control the size or the power of spirality air stream by a pumping power control device is installed.In this control, the pumping power that leans on the functional unit utilization handle in the operator to set is given the pumping power command device of pumping power control device, can improve the operability of vacuum cleaner.In this case, can transmit command signal to command signal through the wired signal line that is connected between pumping power control device and the pumping power command device, perhaps can transmit command signal without wire cable.As the wireless data transmission, can adopt infrared ray, ultrasonic wave or radio wave.
Under the situation that vacuum cleaner is used in the family, the kind of supposing fluid described above is an air.Yet, depend on service condition, also can be gaseous fluid or the liquid of handling other kind.Also manageable fluid comprises air, gas, or liquid, and their obsolete material that comprises dust and any kind of and the mixture of impurity.
Below by the description of drawings embodiments of the invention.In the accompanying drawing:
Fig. 1 is the perspective view of the suction nozzle of the first embodiment of the present invention.
Fig. 2 is the outside drawing of vacuum cleaner of the present invention.
Fig. 3 is the profile of main body of the suction nozzle of the first embodiment of the present invention.
Fig. 4 is the perspective view of the main body of the suction nozzle of the first embodiment of the present invention seen by the top.
Fig. 5 is the profile of main body of the suction nozzle of the second embodiment of the present invention.
Fig. 6 is the profile of main body of the suction nozzle of the third embodiment of the present invention.
Fig. 7 is the profile of main body of the suction nozzle of the fourth embodiment of the present invention.
Fig. 8 is the perspective view of the main body of the suction nozzle of the second embodiment of the present invention seen by the top.
Fig. 9 is the perspective view of second kind of main body of the suction nozzle of the second embodiment of the present invention seen by the top.
Figure 10 is the profile of the main body of suction nozzle, shows one embodiment of the present of invention.
Embodiment 1
Below, describe the first embodiment of the present invention in detail with figure.
Fig. 1 is the perspective view of this nozzle body.In the nozzle body 101 on being placed on ground (institute's clean Surface) 102, set up a spirality air stream 103 by the swabbing action of aspirator (not shown).Label 104 is the central axis of this spirality air stream 103, and label 105 is a suction chamber, the direction of rotation of arrow 106 expression spirality air streams 103.
Fig. 2 illustrates the outside drawing of the vacuum cleaner of this embodiment.
A flexible pipe 202 is connected on the body of this vacuum cleaner, and extension 204 and nozzle body 101 are connected on this flexible pipe 202.At the middle part of flexible pipe, switching manipulation parts 203 are housed.
Fig. 3 is the profile of III-III direction that is shown in the nozzle body 101 of Fig. 1.
Between the leading section of nozzle body 101 and ground 301, formed a air gap, made and to set up a suction nozzle.The configuration on continuous and level and smooth surface 306 that is shaped as drum shape is by the beginning of the end (this nozzle is extended to the inside of the main body 101 of nozzle by the front end of the main body 101 of nozzle) of suction nozzle 302, and this surface 306 extends to the side, rear end of the main body 101 of nozzle always.As shown in Figure 3, the suction chamber that is constituted by continuous surface 306 have one towards ground 301 opening.In addition, the direction of arrow 304 and 305 expression air streams.
Joint 109 couples together the main body 101 of nozzle and extension 204, extension 204 is made into respect to the main body 101 of nozzle moves with the represented direction of arrow A.Also have, near the downwardly facing opening of determining by suction chamber (at the position of the suction nozzle 302 that does not form nozzle body 101), a skirt-shaped part 307 is housed, in order that the air stream that restriction is entered by the rear end of nozzle body 101, a roller 308 is equipped with in rear end at the basal surface of nozzle body 101, in order that nozzle body 101 is moved easily.Can make this skirt-shaped part 307 with rubber or other elastomeric material.
The perspective view of the main body 101 of the nozzle of being seen by the top has been shown among Fig. 4.
In Fig. 4, on two end surfaces longitudinally of suction chamber, two openings 401 of fluid passage 107 and 402 and in the rear end of the main body 101 of nozzle a tie point is arranged by opening 401 and 402 fluid passages 107 of extending, it continues to be connected to the outside of the main body 101 of nozzle.In Fig. 4, the direction of arrow 403 and 404 expression air streams, the spirality air that label 405 and 406 is illustrated in the suction chamber and is produced flows.
Below, the operation of the first embodiment of the present invention is described.
When the user of vacuum cleaner operation be positioned at flexible pipe hold the switching manipulation parts 203 of part the time, the electric fan in the main body of vacuum cleaner 201 is with the operational mode operation corresponding to the switching manipulation that sets.
Reach the main body 101 of nozzle by flexible pipe 202 and extension 204 by the swabbing action power that electric fan provided.As shown in Figure 3, because the direction of the main body 101 of nozzle forward has the air gap 302 as suction nozzle, the air that enters always is sucked into tangential direction on imaginary cylinder 303, shown in arrow 304.
The air that is sucked into is accelerated with the angular velocity of rotation of blower fan, and at full speed rotates with the direction shown in the arrow 305, like this, the dust on the ground 301 is blown afloat.Simultaneously, as shown in Figure 4, because the air that enters is walked by opening on the fluid passage 107 401 and 402 suctions, produced by the center longitudinally of suction chamber a pair of velocity vector 403 and 404 to each opening 401 and 402, like this, spirality air stream 405 and 406 is being carried air stream and the dust that is sucked secretly, these two spirality air streams have identical central axis, this axis is almost parallel with ground 301, at last, the air stream and the dust that are aspirated are drawn onto in the main body of vacuum cleaner 201 through opening 401 and 402.
In other words, in this embodiment, formed a pair of continuous spirality air stream, extended to its side faces at both ends, almost covered the whole longitudinally zone of suction chamber by the center of the longitudinal length of suction chamber.In this embodiment, be provided with the pair of openings 401 and 402 of fluid passage 107, the stream of the spirality air in the suction chamber extracted out two ends.Yet, also can only adopt in opening 401 and 420, air is extracted out by a side of suction chamber.In this case, require not allow air flow to that side of not adorning opening in the side, two ends of suction chamber.
In addition, though in the whole zone of the front end of suction chamber, formed suction nozzle 302, as shown in Figure 4, and do not required in this whole zone and form suction nozzle, can be only form opening, in order that improve the speed of air stream in the central area of the front end of suction chamber.
Suction nozzle is made into the parts 501 shown in Fig. 5, compares with the situation shown in the prior figures 3, the direction of rotation of spirality air stream can be opposite.Also can be made into the parts 601 shown in Fig. 6 to suction nozzle, being directed upwardly of air inlet port perhaps forms a pair of suction nozzle in two kinds of different modes in the figure, and one up, and one down, and parts 701 and 702 as shown in FIG. 7 are such.In these cases, can be suction nozzle 501,601,701 and 702 are made into the whole regional opening that forms at the front end of suction chamber, also can be made into an opening that forms in the subregion.At Fig. 5, shown in 6 and 7 be with Fig. 3 in similar profile, the fluid passage 107 of in these figure, not drawing, for the opening of extension, etc.
As mentioned above, according to this embodiment, should be realized that, can in nozzle, produce a spirality air stream, its central axis is almost parallel with the institute clean Surface, and can remove the ground dust that is cleaned, and is sucked away with spirality air stream at a high speed.Therefore, also can be provided for a kind of in light weight of vacuum cleaner and suction nozzle that noise is little even without the hairbrush of rotation, and its suction performance is equal to or higher than the nozzle of prior art.
In addition, owing to installed and used infrared ray, the device of the main body that signal is delivered to vacuum cleaner by switching manipulation parts 203 of ultrasonic wave or radio wave replaces adopting wired signal line, in flexible pipe 202 and extension 204, there is not wire cable, this has brought other effect: can alleviate the weight of extension and flexible pipe, and can improve the operability of vacuum cleaner.
Also have, comprise as the other advantage that can see, owing to do not need being connected and having simplified the structure of flexible pipe on can quite big degree on the circuit between flexible pipe and its end connecting device, and instrument that can be special and device are changed the soft of flexible pipe.
Embodiment 2
Below, describe the second embodiment of the present invention in detail with figure.
Fig. 8 illustrates the top perspective of nozzle.
In Fig. 8, fluid passage 107 is connected to indulging on the core of upwardly extending suction chamber at it in main body 801 that is contained in nozzle.In such configuration, be provided with dividing plate, be connected to opening 802 and 803 on the fluid passage 107 in order that be formed on center that the limit with long of suction chamber is in a ratio of short limit.Also have, below the leading section of the main body 101 of nozzle, formed a suction nozzle 302.In addition, the direction of arrow 804 and 805 expression air streams, the sidewall of label 808 and 809 for air stream is blocked.
Below, the operation of the second embodiment of the present invention is described.
When the user of vacuum cleaner operation be positioned at flexible pipe hold the switching manipulation parts 203 of part the time, the electric fan in the main body of vacuum cleaner 201 is with the operational mode operation corresponding to the switching manipulation that sets.
Reach the main body 801 of nozzle by flexible pipe 202 and extension 204 by the swabbing action power that electric fan provided.Because the sidewall 808 of suction chamber and 809 separates the air and the external world of being aspirated by the main body 801 of nozzle, so the air of suction chamber outside can not by imaginary cylinder axially flow to suction chamber, but the air that enters can be sucked with tangential direction on imaginary cylinder.Therefore, with the similar mode of first embodiment, the air that is sucked is accelerated with the angular velocity of rotation of blower fan, and at full speed rotates with the direction shown in the arrow 305, like this, ground dust is blown afloat.
Simultaneously, because the air that enters is walked by opening 802 and 803 suctions, produced a pair of velocity vector 804 and 805 in the axial direction, like this, spirality air stream 806 and 807 is being carried air stream and the dust that is sucked secretly, at last, the air stream and the dust that are aspirated are drawn onto in the main body of vacuum cleaner 201 through opening 802 and 803.
Can be the another kind of mode that is shown in Fig. 9 that changes over that is connected between the suction chamber that is shown in Fig. 8 and the fluid passage 107.In Fig. 9,, be provided with a separately dividing plate 902 in the center longitudinally of suction chamber for suction chamber being divided into two independent sub-chamber.The separately opening of that part of formation fluid passage 107 of dividing plate 902 is being set, so that be pumped in the air in the independent separated suction chamber.Can produce a pair of spirality air stream 905 and 906 with such configuration.Separately dividing plate 902 can not produce a pair of spirality air stream 905 and 906 yet, but in this case, the power of spirality air stream becomes lower.
As mentioned above, according to this embodiment, should be realized that, can in nozzle, produce a spirality air stream, its central axis is almost parallel with the institute clean Surface, and can remove the ground dust that is cleaned, and is sucked away with spirality air stream at a high speed.Therefore, also can be provided for a kind of in light weight of vacuum cleaner and suction nozzle that noise is little even without the hairbrush of rotation, and its suction performance is equal to or higher than the nozzle of prior art.
In the embodiment shown in Fig. 8 and 9, can be at a pair of continuous spirality air of the whole longitudinally region generating of suction chamber stream, by suction chamber the end extend to the opening of the fluid passage at the center that is positioned at suction chamber in the vertical.
Owing to realized being connected between suction chamber and the extension at the core of suction chamber, so can therefore, can reduce to less to the contraction in length of fluid passage to the pressure loss.In addition, because the main body of suction nozzle can be less, having improved operability may also be a good effect.
As shown in figure 10, also can become the body making of suction nozzle 101 structure of a hollow, and produce continuous surface 306 and the fluid passage 101B of suction chamber 101A with the inwall of hollow structure.In addition, can also go out suction chamber and fluid passage with the body making of another kind of structural member rather than suction nozzle 101.
In the present invention, can in the main body of the suction nozzle that produces spirality air stream, adopt the hairbrush of a rotation with spirality air stream.
Should be realized that vacuum cleaner of the present invention can produce a spirality air stream in the vertical in the suction chamber of suction nozzle main body, can remove the ground dust that is cleaned, and be sucked away with spirality air stream at a high speed.Therefore, the hairbrush that rotation need not be installed just can be provided for a kind of in light weight of vacuum cleaner and suction nozzle that noise is little.
Claims (9)
1. vacuum cleaner, it comprises the main body of a suction nozzle, it has a suction chamber that has towards an opening of institute's clean Surface; A fluid passage that between the exterior portion of this suction chamber and suction nozzle main body, is connected; And be used for a aspirator through the air in the suction chamber of fluid passage, it is characterized in that
Described suction chamber comprises a fluid passage of being made up of the level and smooth continuous surface that leads to described opening; And
The main body of suction nozzle comprises that also an oil of the inside of the exterior portion that is used for connecting the suction nozzle main body and suction chamber inhales nozzle, is set as the direction that intersects each other along continuous surface and opening, extends towards the fluid passage.
2. according to the vacuum cleaner of claim 1, it is characterized in that described suction nozzle is set as lower surface and the extension of the relation between institute's clean Surface according to described suction nozzle main body.
3. according to the vacuum cleaner of claim 1 or 2, it is characterized in that described suction nozzle is provided with a dished portion in the whole zone of the lower surface of described suction nozzle main body.
4. according to the vacuum cleaner of claim 1 or 2, it is characterized in that also comprising a masked segment, be used for limit fluid to flow in the suction chamber through the lower surface of suction nozzle main body and the gap between institute's clean Surface.
5. according to the vacuum cleaner of claim 1 or 2, it is characterized in that also comprising a shielding part, this shielding part is located near the described opening, and an edge that intersects each other along described continuous surface and described opening extends.
6. according to the vacuum cleaner of claim 1 or 2, it is characterized in that described fluid passage is connected on the center on the direction that the opening of described continuous surface and described suction chamber intersects each other, thereby a continuous spirality air stream is distolaterally developed towards the fluid passage by one of this direction of suction chamber.
7. according to the vacuum cleaner of claim 1 or 2, it is characterized in that described fluid passage is set as branch; And each end that is branched of described fluid passage is connected on two end surfaces on the direction that the opening of continuous surface and suction chamber intersects each other, thereby a symmetry and continuous spirality air are developed towards the fluid passage by the core of this direction of suction chamber.
8. according to the vacuum cleaner of claim 3, it is characterized in that the skirt-shaped part that comprises that also a rubber is made, be used for the gap between the lower surface of suction nozzle main body and the institute's clean Surface is covered up, this skirt-shaped part system is set as and makes determined by the vent cover of a step part to another step part by dished portion;
A roller is used for making the motion smoothing of suction nozzle main body, described roller to be contained on the lower surface the relative position of opening of formed dished portion in the lower surface with the main body of suction nozzle;
Wherein aspirator is made of an extension that is connected on fluid passage and the blower fan; And
Thereby by blower fan the air of suction chamber the inside is aspirated out and to produce a symmetry and continuous spirality air stream, on the direction that the opening of continuous surface and suction chamber intersects each other, develop towards the fluid passage by an end sides.
9. according to the vacuum cleaner of claim 1, it is characterized in that producing a spirality air stream, this air stream development in the vertical comprising in the suction chamber at an edge of the opening longitudinally of suction chamber;
Direct and the institute's clean Surface collision of described spirality air stream; And
The air stream that is reflected after the collision is sucked away.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94194519 CN1125617C (en) | 1994-09-14 | 1994-09-14 | Vacuum cleaner and cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94194519 CN1125617C (en) | 1994-09-14 | 1994-09-14 | Vacuum cleaner and cleaning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1137743A CN1137743A (en) | 1996-12-11 |
| CN1125617C true CN1125617C (en) | 2003-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94194519 Expired - Lifetime CN1125617C (en) | 1994-09-14 | 1994-09-14 | Vacuum cleaner and cleaning method |
Country Status (1)
| Country | Link |
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| CN (1) | CN1125617C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308684B (en) * | 2015-06-23 | 2018-12-18 | 科沃斯机器人股份有限公司 | Robot for cleaning floor |
| CN105615768A (en) * | 2016-01-28 | 2016-06-01 | 江苏美的清洁电器股份有限公司 | Ground brush assembly of dust collector and dust collector with ground brush assembly |
| CN106889945A (en) * | 2017-03-16 | 2017-06-27 | 马涛 | Cleaner suction nozzle |
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1994
- 1994-09-14 CN CN 94194519 patent/CN1125617C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1137743A (en) | 1996-12-11 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140914 Granted publication date: 20031029 |